1. KNOBLING, A., SCHIFFMANN, D., and SCHWEIZER, E.: Malonyl- and palmityl transferase-less mutants of the yeast fatty acid synthetase complex. Eur. J. Biochem. 56, 359-367 (1975).

2. HORAK, I. and SCHIFFMANN, D.: Acidic phosphoproteins of the 60-S ribosomal subunits from HeLa cells. Eur. J. Biochem. 79, 375-380 (1977).

3. HORAK, I. and SCHIFFMANN, D.: Acidic phosphoproteins of HeLa and rat 60-S ribosomal subunits. FEBS Lett. 82, 82-84 (1977).

4. SCHIFFMANN, D. and HORAK, I.: Ribosomal proteins of HeLa cells. Eur. J. Biochem. 82, 91-95 (1978).

5. SCHIFFMANN, D. and KOSCHEL, K.: Interferon induces an antiviral state in ganglioside deficient transformed mouse fibroblasts. Med. Microbiol. Immunol. 169, 281-289 (1981).

6. SCHIFFMANN, D., EDER, E., NEUDECKER, T. and HENSCHLER, D.: Induction of unscheduled DNA Synthesis in HeLa cells by allylic compounds. Cancer Lett. 20, 263-269 (1983).

7. TSUTSUI, T., DEGEN, G., SCHIFFMANN, D., WONG, A., MAIZUMI, H., McLACHLAN J. A. and BARRETT, J. C.: Dependence on exogenous metabolic activation for induction of unscheduled DNA synthesis in Syrian hamster embryo cells by diethylstilbestrol and related compounds. Cancer Res. 44, 184-189 (1984).

8. SCHIFFMANN, D., REICHERT, D. and HENSCHLER, D.: Induction of morphological transformation and unscheduled DNA synthesis in Syrian hamster embryo fibroblasts by hexachlorobutadiene and its putative metabolite pentachlorobutenoic acid. Cancer Lett. 23, 297-305 (1984).

9. SCHIFFMANN, D., METZLER, M., NEUDECKER, T. and HENSCHLER, D.: Morphological transformation of Syrian hamster embryo fibroblasts by the anabolic agent trenbolone. Arch. Toxicol. 58, 59-63 (1985).

10. EDER, E., HENSCHLER, D., SCHIFFMANN, D., DORNBUSCH, K., TREBBIN, N. and KÜTT, W.: A quick screening strategy for genotoxic activities based on structure-activity relationships elaborated by a battery of pre-screening tests. Food Chem. Tox. 24, 667-673 (1985).

11. POTENBERG, J., SCHIFFMANN, D., KAHL, R., HILDEBRANDT, A. G. and HENSCHLER, D.: Modulation of benzo(a)pyrene-induced morphological transformation of Syrian hamster embryo cells by butylated hydroxytoluene and butylated hydroxyanisole. Cancer Lett. 33, 189-198 (1986).

12. SIMON, P., EPE, B., MÜTZEL, P., SCHIFFMANN, D., WILD, D., BOLT, H. M. and HENSCHLER, D.: Synthesis and genotoxicity of acetoxy-oxirane, the epoxide of vinyl acetate. Biochem. Toxicol. 1, 43-56 (1986).

13. EPE, B., SCHIFFMANN, D. and METZLER, M.: Possible role of oxygen radicals in cell transformation induced by Diethylstilbestrol and related compounds. Carcinogenesis 7, 1329-1334 (1986).

14. SCHMUCK, G., PECHAN, R., WILD, D., SCHIFFMANN, D. and HENSCHLER, D.: SOS-dependent mutagenic activity of 5-azacytidine in Salmonella. Mutat. Res. 175, 205-208 (1986).

15. ADAM, A., BEINHAUER, A., EPE, B., FUCHS, R., GRIESBECK, A., HAUER, H., MUETZEL, P., NASSI, L., SCHIFFMANN, D. and WILD, D: Genotoxic effects of 1,2-dioxetanes. In: Primary Changes and Control Factors in Carcinogenesis. Eds. T. Friedberg and F.Oesch, Deutscher Fachschriften Verlag, Wiesbaden, p. 64-68 (1986).

16. WILD, D., DIRR, A. and SCHIFFMANN, D: Chemical structure and mutagenic activity of aminoimidazoarenes and nitroimidazoarenes related to the food-mutagen/carcinogen IQ. In: Primary Changes and Control Factors in Carcinogenesis. Eds. T. Friedberg and F.Oesch, Deutscher Fachschriften Verlag, Wiesbaden, p. 76-80 (1986).

17. EBERT, R., PECHAN, R., RÖLLICH, G., KOSCHEL, K. and SCHIFFMANN, D.: Characterization of cellular oncogenes in normal and chemically transformed Syrian hamster embryo fibroblasts. In: Primary Changes and Control Factors in Carcinogenesis. Eds. T. Friedberg and F. Oesch, Deutscher Fachschriften Verlag, Wiesbaden, p. 117-122 (1986).

18. NASSI, L., EPE, B., SCHIFFMANN, D., ADAM, W., BEINHAUER, A. and GRIESBECK, A.: Induction of morphological transformation and micronuclei in Syrian hamster embryo fibroblasts by 1,2-dioxetanes. Correlation with DNA single strand breaks in HL-60 cells. Carcinogenesis 8, 947-953 (1987).

19. SCHIFFMANN, D., TAS, P. and KOSCHEL, K.: Does diethylstilbestrol (DES) change the stress fiber organization in C6 rat glioma cells ? Mol. Toxicol. 1, 407-418 (1987).

20. FREYBERGER, A., SCHNITZLER, R., SCHIFFMANN, D. and DEGEN, G. H.: Prostaglandin-H-synthase competent cells derived from ram seminal vesicles: a tool for studying the cooxidation of xenobiotics. Mol. Toxicol. 1, 503-512 (1987).

21. ADAM, W., HASEMANN, L., VARGAS, F., EPE, B., SCHIFFMANN, D. and WILD, D.: Single electron transfer (SET) leading to radical species in the redox reactions of cyclic peroxides with biological substrates. In: Organic Free Radicals, Eds. H. Fischer and H. Heimgartner, Springer Verlag, Berlin, Heidelberg, New York, p. 219-220 (1988).

22. NASSI, L., SCHIFFMANN, D., FAVRE, A., ADAM, W. and FUCHS, R.: Induction of the SOS-function sfiA in E.coli by systems which generate triplet ketones. Mutat. Res.198, 53-60 (1988).

23. SCHIFFMANN, D.: Application of a multiple endpoint approach in one cell system for genotoxicity testing. In: Alternatives to Animal Experiments in Risk Assessment, Eds. P. Günzel, C. Reinhardt and D. Schiffmann, Schering AG, Berlin West, p. 55-63 (1988).

24. ADAM, W., EPE, B., SCHIFFMANN, D., VARGAS, F. and WILD, D.: Facile reduction of 1,2-dioxetanes by thiols such as glutathione as potential protective measure against photochemical damage of cellular DNA. Angew. Chem. 27, 429-431 (1988).

25. SCHIFFMANN, D.: Neue Perspektiven bei der Prüfung auf Kanzerogenität an Zellkulturen von Säugetieren. In: Tierschutz durch Alternativen, Eds. W. Hardegg and D. Schuppan, G. Fischer Verlag, Stuttgart, New York, p. 115-127 (1988).

26. VAMVAKAS, S., DEKANT, W., SCHIFFMANN, D. and HENSCHLER, D.: Induction of unscheduled DNA synthesis and micronucleus formation in Syrian hamster embryo fibroblasts treated with cysteine S-conjugates of chlorinated hydrocarbons. Cell Biol. Toxicol. 4, 393-403, (1988).

27. SCHIFFMANN, D., HIEBER, L., SCHMUCK, G., PECHAN, R., METZLER, M. and HENSCHLER, D.: Trenbolone induces micronucleus formation and neoplastic transformation in Syrian hamster embryo fibroblasts but not in mouse C3H 10T1/2 cells. Arch. Toxicol. 62, 49-53 (1988).

28. SCHMUCK, G., LIEB, G., WILD, D., SCHIFFMANN, D. and HENSCHLER, D.: Characterization of an in vitro micronucleus assay with Syrian hamster embryo fibroblasts. Mutat. Res. 203, 397-404 (1988).

29. EPE, B., HARTTIG, U. H., SCHIFFMANN, D. and METZLER, M.: Microtubular proteins as cellular targets for carcinogenic estrogens and other carcinogens. In: Aneuploidy: Mechanisms of Origin, Ed. M. A. Resnick, Alan Liss Inc., New York, p. 345-351 (1989).

30. WIEGAND, H.J., SCHIFFMANN, D. and HENSCHLER, D.: Non-genotoxicity of acrylic acid and n-butylacrylate in a mammalian cell system. Arch. Toxicol. 63, 250-251 (1989).

31. ADAM, W., EPE, B., SCHIFFMANN, D., VARGAS, F. and WILD, D.: Single-electron-transfer in the reduction of 1,2-dioxetanes by biologically active substrates. Free Rad. Res. Commun. 5, 253-258 (1989).

32. GIESELER, F., MEYER, P., SCHIFFMANN, D. and WILMS, K.: Granulocytic differentiation of HL-60 cells is not regulated by DNA de novo methylation. Blood 58, 159-163 (1989).

33. VAMVAKAS, S., DEKANT, W., SCHIFFMANN, D. and HENSCHLER, D.: Characterization of an unscheduled DNA synthesis assay with a cultured line of porcine kidney cells. In: Nephrotoxicity: Extrapolation from in vivo to in vitro and from animals to man, Eds.P.H. Bach and E.A. Lock, Plenum Press, New York , p. 749-755 (1989)

34. EBERT, R., BARRETT, J., C., WISEMAN, R., W., PECHAN, R., REISS, E., RÖLLICH, G. and SCHIFFMANN, D.: Activation of cellular oncogenes by chemical carcinogens in Syrian hamster embryo fibroblasts. Env. Health Perspect. 89, 175-178 (1990).

35. ADAM, W., BEINHAUER, A., MOSANDL, T., SAHA-MÖLLER, C. VARGAS, F., EPE, B., MÜLLER, E., SCHIFFMANN, D. and WILD, D.: Photobiological studies with dioxetanes: Genotoxicity studies with isolated DNA, Bacteria and Mammalian Cells. Env. Health Perspect. 88, 89-97 (1990).

36. SCHIFFMANN, D. and DE BONI, U.: Dislocation of chromatin elements in prophase induced by diethylstilbestrol: A novel mechanism by which micronuclei can arise. Mutat. Res. 246, 113-122 (1991).

37. HENSCHLER, D., EDER, E., EPE, B. and SCHIFFMANN, D.: Genotoxic and cell-transforming properties of (trans-, trans)-muconaldehyde. Mutat. Res. 248, 35-43 (1991).

38. TAS, P., STOPPER, H., KOSCHEL, K. and SCHIFFMANN, D.: The carcinogenic estrogen diethylstibestrol induces a rise of the intracellular calcium level in C6 rat glioma cells. Toxicol. in Vitro 5, 463-465 (1991).

39. VIG, B.K., YOO, H.J., and SCHIFFMANN, D.: Kinetochore proteins, peripheral location of chromosomes and nuclear budding: another look at the genesis of aneuploidy. Mutagenesis 6, 361-367 (1991).

40. METZLER, M. and SCHIFFMANN, D.: Structural requirements for the morphological transformation of Syrian hamster embryo cells by stilbene estrogens and triphenyl-ethylene-type antiestrogens. Am. J. Clin. Oncol., 14 Suppl. 2, 30-35 (1991).

41. SCHIFFMANN, D. and HENSCHLER, D.: Untersuchung von Dieselmotorabgasfraktionen auf gentoxische und zelltransformierende Eigenschaften am Modell der Syrischen Hamsterembryofibroblasten und an Lungenzellen. In: Ökologische Forschung - Auswirkungen von Dieselmotorabgasen auf die Gesundheit, Editor: GSF-Forschungszentrum München, Compset Verlag Herrmann und Maute, München, p. 39-42 (1992).

42. EBERT, R., BARRETT, J., C., WISEMAN, R., W., PECHAN, R., REISS, E., RÖLLICH, G. and SCHIFFMANN, D.: Characterization of the Syrian hamster c-Ha-ras gene and intron-D-exon transcript. Mol. Carcinogenesis 5, 254-258 (1992).

43. HENSCHLER, D., SCHMUCK, G., VAN AERSSEN, M. and SCHIFFMANN, D.: The inhibitory effect of neuropathic OP esters on neurite outgrowth in cell cultures: a basis for screening for delayed neurotoxicity. Toxicol. in Vitro 6, 327-335 (1992).

44. SCHIFFMANN, D. and SCHLATTER, J.: Genotoxicity and cell transformation studies with sorbates in Syrian Hamster embryo fibroblasts. Food Chem. Tox. 30, 669-672 (1992).

45. STOPPER, H., PECHAN, R. and SCHIFFMANN, D.: 5-Azacytidine induces micronuclei in and morphological transformation of Syrian hamster embryo fibroblasts in the absence of unscheduled DNA synthesis. Mutat. Res. 283, 21-28 (1992).

46. PAPP, T., JAFARI, M., KOPP, C. and SCHIFFMANN, D.: AciI and BstNI/CfrI detect all possible activating point mutations at codons 13 and 61 of the human Ha-ras oncogene. Human Mol. Genetics 1, 649-650 (1992).

47. STOPPER, H., KÖRBER, C., SCHIFFMANN, D. and CASPARY, W.J.: Induction of micronuclei by non-genotoxic carcinogens in L5178Y cells. Mutat. Res. 291, 276-277 (1992).

48. KIRCHNER, S., STOPPER, H., PAPP, T., ECKERT, I., YOO, H.J., VIG, B.K. and SCHIFFMANN, D.: Cytogenetic changes in primary, immortalized and malignant mammalian cells. Tox. Lett. 67, 283-295 (1993).

49. ADAM, W., AHRWEILER, M., SAHA-MÖLLER, C.R., SAUTER, M., SCHÖNBERGER, A., EPE, B., MÜLLER, E., SCHIFFMANN, D., STOPPER, H. and WILD, D.: Genotoxicity studies of benzofurane dioxetanes and epoxides with isolated DNA, bacteria and mammalian cells. Tox. Lett. 67, 41-55 (1993).

50. STOPPER, H., KÖRBER, C., SCHIFFMANN, D. and CASPARY, W.J.; Cell cycle dependence of 5-azacytidine-induced micronuclei and mitotic disturbances in mammalian cells. Mutat. Res. 300, 165-177 (1993).

51. FRITZENSCHAF, H., KOHLPOTH, M., RUSCHE, B. and SCHIFFMANN, D.: Testing of known carcinogens and noncarcinogens in the Syrian hamster embryo (SHE)-micronucleustest in vitro; correlations with cell transformation and micronucleus formation in vivo. Mutat. Res. 319, 47-53 (1993).

52. PAPP, T., JAFARI, M., DIENER, U. and SCHIFFMANN, D.: Improved ASRA (allele-specific restriction analysis) detects activating point mutations in tumors in which cancer cells constitute only a minor part of the investigated tissue. PCR. Meth. Appl. 3, 125-126 (1993).

53. STOPPER, H., KÖRBER, C., SPENCER, D.S., KIRCHNER, S., CASPARY, W.J. and SCHIFFMANN, D.: An investigation of micronucleus and mutation induction by oxazepam in mammalian cells. Mutagenesis 8, 449-455 (1993).

54. SCHIFFMANN, D.: Toxicology of silica. In: Ullmann's Encyclopedia of Industrial Chemistry. Verlag Chemie, Weinheim, Germany, p.651-660 (1993).

55. HERRERA, L.A, OSTROSKY-WEGMAN, P., SCHIFFMANN, D., CHEN, Q.Y., ZIEGLER-SKYLAKAKIS, K. and ANDRAE, U.: The insectizide buprofezin induces morphological transformation and kinetochore-positive micronuclei in cultured Syrian hamster embryo cells in the absence of detectable DNA damage. Mutat. Res. 303, 121-125 (1993).

56. DE BONI, U., CHOH, V., JANEVSKI, J. and SCHIFFMANN, D.: Diethylstilbestrol alters growth cone morphology of PC12 cells in vitro. NeuroToxicology 14, 505-512 (1993).

57. HERRERA, L.A., SANTIAGO, P., ROJAS, G., SALAZAR, P.M., TATO, P., MOLINARI, J.L., SCHIFFMANN, D., and OSTROSKY-WEGMAN, P.: Immune response impairment, genotoxicity and morphological transformation induced by Taenia solium metacestode. Mutat. Res. 305, 223-228 (1994).

58. HERRERA, L.A., OSTROSKY-WEGMAN, P., MONTERO, R., ROJAS, E., GONSEBATT, M.E. and SCHIFFMANN, D.: Evaluation of the carcinogenic and genotoxic potential of praziquantel in the Syrian hamster embryo cell transformation assay. Mutat. Res. 305, 175-180 (1994).

59. SCHIFFMANN, D. and DEGEN, G.H.: Indanyl analogs of diethylstilbestrol induce morphological transformation of Syrian hamster embryo fibroblasts and micronuclei in vitro. Toxicology in Vitro 8, 449-454 (1994).

60. STOPPER, H., ECKERT, I., SCHIFFMANN, D., SPENCER, D. AND CASPARY, W.: Is micronucleus induction by aneugens an early event leading to mutagenesis ? Mutagenesis 9, 411-416 (1994).

61. STOPPER, H., KIRCHNER, S., SCHIFFMANN, D. and POOT, M.: Cell cycle disturbance in relation to micronucleus formation after exposure of Syrian hamster embryo fibroblasts to diethylstilbestrol. Pathobiology 62, 180-185 (1994).

62. JAFARI, M., PAPP, T., KIRCHNER, S., DIENER, U., HENSCHLER, D., BURG, G., and SCHIFFMANN, D.: Analysis of ras mutations in human melanocytic lesions: activation of the N-ras gene is associated with human nodular melanoma. J. Cancer Res. Clin. Oncol. 121, 23-30 (1995).

63. KIRCHNER, S., SCHIFFMANN, D. and STOPPER, H.: The influence of DNA methylation on Topoisomerase II activity and genomic instability. Toxicol. in Vitro 9, 519-525 (1995).

64. PAPP, T., KIRCHNER, S. DIENER, U., JAFARI, M. and SCHIFFMANN, D.: Construction of a M13mp18 vector: application in rapid and high quality sequencing of PCR products. Trends in Genet. Sci. 11, 168 - 169 (1995).

65. DOPP, E., WEISS, D.G., STOPPER, H. and SCHIFFMANN, D.: Mitotic disturbances and micronucleus induction in Syrian hamster embryo (SHE) fibroblast cells caused by different types of asbestos fibers. Env. Health Perspect. 103, 268 - 271 (1995).

66. TAS., P., AMBS, S., STOPPER, H., KOSCHEL, K. and SCHIFFMANN, D.: Role of extracellular calcium and calcium stores in the intracellular calcium rise induced by diethylstilbestrol. Toxicol. in Vitro 9, 117 - 121 (1995).

67. DOPP, E., NEBE, B., HAHNEL, C., PAPP, T., ALONSO, B., SIMKÓ, M. and SCHIFFMANN, D.: Mineral fibers induce apoptosis in Syrian hamster embryo fibroblasts. Pathobiology 63, 213-221 (1995).

68. DOPP, E., BARKER, C.M., SCHIFFMANN, D. and REINISCH, C.L.: Detection of micronuclei in hemocytes of Mya arenaria: association with leukemia and induction with an alkylating agent. Aquatic Toxicology 34, 31-45 (1996).

69. SCHIFFMANN, D., DEKANT, W., DOPP, E., METZLER, M. and HENSCHLER, D.: Diethylstilbestrol induces DNA-hypomethylation in Syrian hamster embryo fibroblasts throughout the course of neoplastic transformation. In Vitro Toxicology 9, 167-172 (1996).

70. PAPP, T., JAFARI, M. and SCHIFFMANN, D.: Lack of P53 mutations and loss of heterozygosity in non-cultured human melanocytic lesions. J. Cancer Res. Clin. Oncol. 122, 541-548 (1996).

71. YAMASAKI, H., ASHBY, J., BIGNAMI, M., JONGEN, W., LINNAINMAA, K., NEWBOLD, R., NGUYEN-BA, G, PARODI, S., SANNER, T., SCHIFFMANN, D. AND SIMONS, J.: Nongenotoxic carcinogens: development of detection methods based on mechanisms. Mutat. Res. 353, 47-63 (1996).

72. SCHIFFMANN, D. and RAHMAN, Q.: Chromosomal changes induced by asbestos fibers: an overview. In: Sourcebook on Asbestos Diseases, G.A. Peters and B.J. Peters Eds., The Michie Company, Charlottesville, USA, Vol. 14, pp. 41-59 (1997).

73. HOPERT, A., WÜNSCHE, W., SCHIFFMANN, D. and VOLLMER, G.: Characterization of estrogenic and antiestrogenic functions of environmental chemicals. In: 6th Annual Report „Environment and Health“, F. Horsch, P. Friebel and A. Wiebel Eds., Forschungszentrum Karlsruhe, Germany, pp. 277-288 (1997).

74. DOPP, E., SCHULER, M., SCHIFFMANN, D. and EASTMOND, D.A.: Induction of micronuclei, hyperdiploidy and chromosomal breakage affecting the centric/pericentric regions of chromosome 1 in human amniotic fluid cells after treatment with asbestos and ceramic fibers. Mutat. Res. 377, 77-87 (1997).

75. PAPP, T., PEMSEL, H., WEISS, D.G. and SCHIFFMANN, D.: Simultaneous detection of homozygous deletion and point mutations in tumor suppressor genes p16 and p53 by multiplex-PCR/SSCP analysis. Trends Genet., Technical Tips Online (http://www.elsevier.com /locate/tto) T 01018 (1997).

76. DOPP, E., PAPP, T. and SCHIFFMANN, D.: Detection of aneuploidy and chromosome breakage affecting the 1 (1cen-q12) region in lentigo malignant melanoma (LMM), superficial spreading melanoma (SSM) and and congenital nevus (CN) cells in vitro by multicolor FISH technique. Cancer Lett. 120, 157-163 (1997).

77. SCHIFFMANN, D.: Silicon Toxicology. In: Handbook of Extractive Metallurgy, F. Habashi Ed., Wiley-VCH, Weinheim, New York, Toronto, pp. 1970-1973 (1997).

78. GROSS, G.W., NORTON, S., GOPAL, K., GRAMOWSKI, A. and SCHIFFMANN, D.: Neuronal networks in vitro: Applications to neurotoxicology, drug development and biosensors. Cellular Engineering 2, 138-147 (1997).

79. DOPP, E. and SCHIFFMANN, D.: Analysis of chromosomal alterations induced by asbestos and ceramic fibers. Tox. Lett. 96,97, 155-162 (1998).

80. PAPP. T., PEMSEL, H., BASTROP, R, ZIMMERMANN, R., WEISS, D.G. and SCHIFFMANN, D.: Combined ASRA/SSCP analysis facilitates screening and characterisation of point mutations within defined codons in tumor cell subpopulations. Trends Genet., Technical Tips Online (http://www.elsevier.com /locate/tto) T 01375 (1998).

81. NEWBOLD, R., SCHIFFMANN, D., YAMASAKI, H., SCHARFETTER-KOCHANEK, K., BOUKAMP, P. and DE GRUIJL, F.: Direct versus indirect ultraviolet light-induced DNA damage in the genesis of human melanoma and non-melanoma skin cancer. In: Ecosystems Research Reports series No. 28: Environment, Health and Chemical Safety, C. Nolan, K. Katsoyanni and S. Kyrtopoulos Eds., European Commission, Brussels-Luxembourg, pp. 21-25 (1998).

82. WURM, F. M. and SCHIFFMANN, D.: Cytogenetic characterization of recombinant cells. In: „Methods in Biotechnology“, Vol. 8 Animal Cell Biotechnology, N. Jenkins, Ed.,Humana Press Inc., Totowa, USA, pp. 49-59 (1999).

83. DOPP, E., VOLLMER, G., HAHNEL, C. GREVESMÜHL, Y. and SCHIFFMANN, D.: Modulation of the intracellular calcium level in mammalian cells caused by 17?-estradiol, different phytoestrogens and the antiestrogen ICI 182780. J. Steroid Biochem. Mol. Biol. 68, 57-64 (1999).

84. DOPP, E., MÜLLER, J., HAHNEL, C. and SCHIFFMANN, D.: Induction of genotoxic effects and modulation of the intracellular calcium level in Syrian hamster embryo (SHE) fibroblasts caused by ochratoxin. Food Chem. Tox. 37, 713-721 (1999).

85. KRIEHUBER, R., SIMKÓ, M., SCHIFFMANN, D. and TROTT, K.R.: Delayed cytotoxic and genotoxic effects in a human cell line following X-irradiation. Int. J. Radiat. Biol. 75, 1021-1027 (1999).

86. RAHMAN, Q., ABIDI, P., AFAQ, F., ATHAR, M., SCHIFFMANN, D., KAMP, D.W. and MOSSMAN, B.T.: Glutathione redox systems in oxidative lung injury. CRC Crit. Rev. Toxicol. 29, 543-568 (1999).

87. PAPP, T., PEMSEL, H., ZIMMERMANN, R., BASTROP, R., WEISS, D.G. and SCHIFFMANN, D.: Mutational analysis of N-ras, p53, p16INK4a , CDK4 and MC1R genes in human congenital melanocytic nevi. J. Med. Genet. 36, 610-614 (1999).

88. GRAMOWSKI, A., SCHIFFMANN, D and GROSS, G.W.: Quantification of Acute Neurotoxic Effects of Trimethyltin Using Neuronal Networks Cultured on Microelectrode Arrays. NeuroToxicology 21, 331-342 (2000).

89. LOHANI, M., DOPP, E:, WEISS, D.G., SCHIFFMANN, D. and RAHMAN, Q.: Kerosene soot induces genotoxicity and enhances the effect on co-exposure with chrysotile asbestos in Syrian hamster embryo fibroblasts. Tox. Lett. 114, 111-116 (2000).

90. RAHMAN, Q., DOPP, E, LOHANI, M. and SCHIFFMANN, D.: Occupational and environmental factors enhancing the genotoxicity of asbestos. Inhal. Tox. 12, Suppl. 3, 157-165 (2000).

91. RAHMAN, Q., DOPP, E. and SCHIFFMANN, D.: Genotoxic effects of asbestos fibers. In: Sourcebook on Asbestos Diseases, Vol. 21, G.A. Peters and B.J. Peters Eds., The Michie Company, Charlottesville, USA, pp. 223-242 (2000).

92. PAPP, T., SCHIPPER, H., PEMSEL, H., MÜLLER, K.M., WIETHEGE, T., DOPP, E., WEISS, D.G., SCHIFFMANN, D. and RAHMAN, Q.: Mutational analysis of N-ras, p53, p16INK4a, p14ARF and CDK4 genes in primary human malignant mesotheliomas. Int. J. Oncol. 18, 425-433 (2001).

93. PAPP, T., SCHIPPER, H., PEMSEL, H., UNVERRICHT, M., MÜLLER, K.M., WIETHEGE, T., SCHIFFMANN, D. and RAHMAN, Q.: Mutational analysis of the PTEN/MMAC1 tumor suppressor gene in primary human malignant mesotheliomas. Oncol. Rep. 8, 1375-1379 (2001).

94. LOHANI, M., DOPP, E., PEMSEL, H., JONAS, L., WEISS, D.G., SCHIFFMANN, D. and RAHMAN, Q.: Evidence that ultrafine titanium dioxide induces micronuclei and apoptosis in Syrian hamster embryo fibroblasts. Env. Health Perspect. 110, 797-800 (2002).

95. LOHANI, M., DOPP, E., BECKER, H.H., SETH, K., SCHIFFMANN, D. and RAHMAN, Q.: Smoking enhances asbestos-induced genotoxicity, relative involvement of chromosome 1 : a study using multicolor FISH with tandem labeling. Tox. Lett. 136, 55-63 (2002)

96. PAPP, T., PEMSEL, H., ROLLWITZ, I., SCHIPPER, H., WEISS, D.G., SCHIFFMANN, D. and ZIMMERMANN, R.: Mutational analysis of N-ras, p53, p16INK4a , p14ARF, CDK4 and MC1R genes in human dysplastic melanocytic nevi. J. Med. Genet. 40, E 14 (2002).

97. SCHIPPER, H., PAPP, T., JOHNEN, G., PEMSEL, H., BASTROP, R., MÜLLER, K-M., WIETHEGE, T., JAWORSKA, M., KRISMANN, M., SCHIFFMANN, D. and RAHMAN, Q.: Mutational analysis of the NF2 tumour suppressor gene in three subtypes of primary human malignant mesotheliomas. Int. J. Oncol. 5, 1009-1017 (2003).

98. LOHANI, M., YADAV, S., SCHIFFMANN, D. and RAHMAN, Q.: Diallylsulfide attenuates asbestos-induced genotoxicity. Tox. Lett. 143, 45-50 (2003).

99. POSER, I., RAHMAN, Q., LOHANI, M., YADAV, S., BECKER, H.H., WEISS, D.G., SCHIFFMANN, D. and DOPP, E.: The effect of iron chelators and radical scavengers on the ability of asbestos fibers to induce numerical and structural chromosome aberrations in human mesothelial cells in vitro. Mutat. Res. 559, 19-27 (2004).

100. BHATTACHARYA, K., YADAV, S., PAPP, T., SCHIFFMANN, D. and RAHMAN, Q.: Reduction of chrysotile asbestos-induced genotoxicity in human peripheral blood lymphocytes by garlic extract. Tox. Lett. 153, 327-332 (2004).

101. PAPP, T., SCHIPPER, H., KUMAR, K., SCHIFFMANN, D., ZIMMERMANN, R.: Mutational analysis of the BRAF gene in human congenital and dysplastic melanocytic naevi. Melanoma Res. 15, 401-407 (2005).

102. KUMAR, K., RAHMAN, Q., SCHIPPER, H., MATSCHEGEWSKI, C., SCHIFFMANN, D., PAPP, T.: Mutational analysis of 9 different tumour-associated genes in human malignant mesothelioma cell lines. Oncol Rep. 14, 743-750 (2005).

103. BHATTACHARYA, K., DOPP, E,, KAKKAR, P., JAFFERY, F.N., SCHIFFMANN, D., JAURAND, M.C., RAHMAN, I., RAHMAN Q.: Biomarkers in risk assessment of asbestos exposure. Mutat Res. 579, 6-21 (2005).

PUBLISHED ABSTRACTS

1. SCHIFFMANN, D., EDER, E., NEUDECKER, T. and HENSCHLER, D.: Genotoxicity of allylic compounds. Naunyn-Schmiedeberg's Arch. Pharm. Suppl. 321, R 28 (1982).

2. EDER, E., NEUDECKER, T., SCHIFFMANN, D. and HENSCHLER, D.: Alkylation and direct genotoxic effects of allylic compounds. Naunyn-Schmiedeberg's Arch. Suppl. 321, R 28 (1982).

3. SCHIFFMANN, D., EDER, E., NEUDECKER, T. and HENSCHLER, D.: Comparative induction of unscheduled DNA synthesis (UDS) in HeLa cells by structurally related allylic compounds. Tox. Lett. 18, Suppl. 1, 120 (1983).

4. SCHIFFMANN, D., LIEB, G., METZLER, M. and HENSCHLER, D.: Induction of micronuclei in Syrian hamster embryo (SHE) fibroblasts by diethylstilbestrol and related compounds. Tox. Lett. 31 (Suppl.), 204 (1986).

5. EDER, E., SCHIFFMANN, D., DORNBUSCH, K., DEININGER, C. and MAYER, A.: Direct and indirect genotoxicity of alkylating allylic compounds: competing bioactivation mechanisms. Tox. Lett. 31 (Suppl.), 210 (1986).

6. SCHIFFMANN, D., SCHMUCK, G., PECHAN, R., METZLER, M. and HENSCHLER, D.: Trenbolone but not testosterone induces micronuclei in Syrian hamster embryo cells. J. Cancer Res. Clin. Oncol. 113, S 18 (1987).

7. EBERT, R., RÖLLICH, G., PECHAN, R., KOSCHEL, K. and SCHIFFMANN, D.: Changes in the functional state of cellular oncogenes and a possible regulatory element in chemically transformed Syrian hamster embryo cells. Anticancer Res. 7, 882 (1987).

8. VAMVAKAS, S., SCHIFFMANN, D., DEKANT, W. and HENSCHLER, D.: Induction of unscheduled DNA synthesis and micronuclei in Syrian hamster embryo cells by cysteine conjugates of halogenated hydrocarbons. Anticancer Res. 7, 885 (1987).

9. PECHAN, R. and SCHIFFMANN, D.: Diethylstilbestrol induces DNA-hypomethylation in Syrian hamster embryo fibroblasts throughout the course of neoplastic transformation. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 335, R30 (1987).

10. EBERT, R., PECHAN, R., RÖLLICH, G., KOSCHEL, K. and SCHIFFMANN, D.: Characterization of cellular oncogenes in Syrian hamster embryo fibroblasts neoplastically transformed by different carcinogens. J. Cancer Res. Clin. Oncol. Suppl. 113, S 36 (1987).

11. SCHMUCK, G., LIEB, G. and SCHIFFMANN, D.: Induction of micronuclei in Syrian hamster embryo fibroblasts by chemical carcinogens. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 337, R34 (1988).

12. SCHNITZLER, R., SCHMUCK, G., SCHIFFMANN, D., DEBONI, U. and METZLER, M.: Induction of micronuclei in Syrian hamster embryo (SHE) fibroblasts by stilbene estrogens and steroidal estrogens. In Vitro Cell. Dev. Biol. 24, 15 A (1988).

13. SCHNITZLER, R., SCHIFFMANN, D. and METZLER, M.: Diethylstilbestrol (DES) induces chromosome stickiness in Syrian hamster (SHE) fibroblasts. Environm. Mol. Mutagenesis, 14, Suppl. 15, 175 (1989).

14. EPE, B., HARTTIG, U. H., SCHIFFMANN, D. and METZLER, M.: Covalent binding to microtubular proteins as a possible cause of the aneuploidy and micronucleus formation induced by carcinogenic estrogens and other carcinogens. Environm. Mol. Mutagenesis 14, Suppl. 15, 57 (1989).

15.SCHIFFMANN, D., EBERT, R. and PECHAN, R.: Influence of de novo DNA methylation on Ha-ras expression and growth of neoplastically transformed Syrian hamster (SHE) fibroblasts. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 339, R24 (1988).

16. SCHIFFMANN, D., TAS, P. and KOSCHEL, K., MAILE, W. and WEISS, D.: The aneuploidy inducing carcinogen diethylstilbestrol (DES) interferes with actin function in mammalian cells in vitro. Environm. Mol. Mutagenesis 15, Suppl. 17, 53 (1990).

17. SCHNITZLER, R., NÜSSE, M., KRAMER, J., STOPPER, H., SCHIFFMANN, D. and METZLER, M.: The size of micronuclei in mammalian cells depends on the inducing agent. J. Cancer Res. Clin. Oncol. Suppl. 116, S 101 (1990).

18. MARQUARDT, P. and SCHIFFMANN, D.: Characteristics of T-lymphocytes infiltrating human B-cell lymphomas. J. Cancer Res. Clin. Oncol. Suppl. 116, S 295 (1990).

19. JAFARI, M., BURG, G., RÖLLICH, G., SCHIFFMANN D. and HENSCHLER, D.: In vitro amplification of c-N-ras from formalin-fixed, paraffin-embedded specimens of human melanoma and naevi compared to that of fresh frozen tissue from the same patient. J. Cancer Res. Clin. Oncol. Suppl. 116, S 153 (1990)

20. EBERT, R., REISS, E., RÖLLICH, G., BARRETT, J.C., WISEMAN, R. and SCHIFFMANN, D.: Characterization of the c-Ha-ras gene in norrmal and chemically transformed Syrian hamster embryo fibroblasts. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 341, R29 (1990).

21. SCHIFFMANN, D., STOPPER, H., LENZ, P., DE BONI, U. and VIG, B. K.: Interrelationship of micronucleus formation, genomic loss and cell transformation induced by diethylstilbestrol (DES). J. Cell. Biochem., Suppl. 15 D, 145 (1991).

22. SCHIFFMANN, D., STOPPER, H. and DE BONI, U.: Dislocation of chromatin elements in prophase induced by diethylstilbestrol: A novel mechanism by which micronuclei can arise. J. Cell. Biochem., Suppl. 15 D, 119 (1991).

23. MARQUARDT, P., RÖSCHLAU, H. and SCHIFFMANN, D.: Inhibition of DNA repair by activated T-lymphocytes. Environm. Mol. Mutagenesis 17, Suppl. 19, 48 (1991).

24. HERRERA, L. A., SCHIFFMANN, D., OSTROSKY, P. and MONTERO, R.: Mutagenicity studies with Praziquantel™, an effective drug for treatment of helminthic infections. Environm. Mol. Mutagenesis 17, Suppl. 19, 30 (1991).

25. SCHIFFMANN, D. and STOPPER, H.: Genotoxic and cell-transforming properties of 5-azacytidine in the Syrian hamster embryo cell system. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 345, R44 (1992).

26. STOPPER, H., KIRCHNER, S., YOO, H.J., PAPP, T., VIG, B.K. and SCHIFFMANN, D.: Is the genesis of aneuploidy related to loss of kinetochores ? J. Cell. Biochem., Suppl. 16 B, 139 (1992).

27. SCHIFFMANN, D., EBERT, R. and PECHAN, R.: Influence of de novo methylation on Ha-ras expression and growth of neoplastically transformed Syrian hamster embryo (SHE) cells. J. Cell. Biochem., Suppl. 16 B, 148 (1992).

28. SCHIFFMANN, D., KIRCHNER, S. and VIG, B.K.: Analysis of Dislocated, Kinetochore-lacking Chromosomes in Tumor Cells by In Situ Hybridization with Centromeric Probes. Histochem. J. 24, 562 (1992).

29. SCHIFFMANN, D., STOPPER, H. and DE BONI, U.: Vital Microscopy of Chromatin for the Study of Chemically Induced Disturbances of Mitosis in vitro. Histochem. J. 24, 465 (1992).

30. HERRERA, L.A., SCHIFFMANN, D., ZIEGLER, K., ANDRAE, U. and OSTROSKY-WEGMAN, P.: Evaluation of the carcinogenic potential and mechanism of action of Buprofezin™. Environm. Mol. Mutagenesis 19, Suppl. 20, 25 (1992).

31. YOO, H.J., KIRCHNER, S., STOPPER, H., SCHIFFMANN, D. and VIG, B.K.: Kinetochore-lacking chromosomes in normal, malignant and aneugen-treated cells. Environm. Mol. Mutagenesis 19, Suppl. 20, 73 (1992).

32. SCHIFFMANN, D. and STOPPER, H.: Induction of micronuclei and cell transformation in the absence of unscheduled DNA synthesis in Syrian hamster embryo fibroblasts treated with 5-azacytidine. Environm. Mol. Mutagenesis 19, Suppl. 20, 55 (1992).

33. STOPPER, H., TAS, P., AMBS, S., KOSCHEL, K. and SCHIFFMANN, D.: Role of extracellular calcium, calcium stores and cellular energy state in the diethylstilbestrol-induced intracellular calcium rise. Biol. Chem. Hoppe-Seyler 373, 883 (1992).

34. SCHIFFMANN, D., STOPPER, H., TAS, P., AMBS, S. and KOSCHEL, K.: Diethylstilbestrol induces a calcium rise in C6 rat glioma cells: role of extracellular calcium and calcium stores. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 347, R 13 (1993).

35. STOPPER, H., KÖRBER, C., KIRCHNER, S., SPENCER, D., CASPARY, W.J. and SCHIFFMANN, D.: The benzodiazepine Oxazepam induces micronucleus formation in several mammalian cell lines, but no mutation in the mouse lymphoma TK+/- assay. J. Cancer Res Clin. Onc. 119, Suppl. 2, 55 (1993).

36. PAPP, T., JAFARI, M., BURG, G., HENSCHLER, D. and SCHIFFMANN, D.: Molecular analysis of specific point mutations of the N-ras and Ki-ras genes in malignant malanoma. Eur. J. Cell Biol. 61, Suppl. 38, 73 (1993).

37. SCHIFFMANN, D. KIRCHNER, S. and STOPPER, H.: Is hypomethylation of centromeric sequences related to a disturbance of kinetochore function.? J. Cell. Biochem. Suppl. 18 C, 110 (1994).

38. STOPPER, H., ECKERT,, I., SPENCER, D.L., CASPARY, W.J. and SCHIFFMANN, D.: Mutation and micronucleus induction in mouse L5178Y cells by substances that do not form DNA adducts. Naunyn-Schmiedeberg's Arch. Pharmacol. Suppl. 349, R 122 (1994).

39. JAFARI, M., PAPP, T., HENSCHLER, D. and Schiffmann, D.: Association of N-ras point mutations with the nodular type of human malignant melanoma. Environm. Mol. Mutagenesis 23, Suppl. 23, 28 (1994).

40. SCHIFFMANN, D., KIRCHNER, S., STOPPER, H. and WEISS, D.G.: DNA hypomethylation of centromeric regions is an aerly event in the neoplastic transformation of of Syrian hamster embryo (SHE) fibroblasts. Eur. J. Cell Biol. 63, Suppl. 40, 67 (1994).

41. DOPP, E., SAEDLER, J., SCHIFFMANN, D. and WEISS, D.G.: Characterization of mitotic disturbances caused by asbestos fibers in Syrian hamster embryo (SHE) fibroblasts. Eur. J. Cell Biol. 63, Suppl. 40, 57 (1995).

42. SCHIFFMANN, D., KIRCHNER, S. and STOPPER, H.: Influence of DNA methylation on topoisomerase II action and genomic stability. J. Cell. Biochem. Suppl. 12 A, 343 (1995).

43. DOPP, E: and SCHIFFMANN, D.: Asbestos fibers induce mitotic disturbances and micronucleus formation in Syrian hamster embryo fibroblasts. Environm. Mol. Mutagenesis 27, Suppl. 27, 19 (1996).

44. SCHIFFMANN, D. and DOPP, E.: Asbestos and ceramic fibers cause apoptosis in Syrian hamster embryo fibroblasts. Environm. Mol. Mutagenesis 29, Suppl. 28, 45 (1997).

45. GRAMOWSKI, A., SCHIFFMANN, D. and GROSS, G.W.: Determination of acute neurotoxicity of trimethyltin chloride using spontaneously active neuronal networks. Eur. J. Cell Biol. 78, Suppl. 49, 79 (1999).

47. LOOCK, J., STANGE, J., MITZNER, S., SCHMIDT, R., SCHIFFMANN, D., WEISS, D.G., KEEFER, E.W. and GROSS, G.W.: Reaction of spontaneously active networks to ultrafiltrates of human plasma in vitro – a possible biosensor of cerebral function during metabolic diseases ? Eur. J. Cell Biol. 78, Suppl. 49, 82 (1999).

48. POSER, I., LOHANI, M., RAHMAN, Q., SCHIFFMANN, D., BECKER, H.H. and DOPP, E.: The effect of iron chelators on the ability of asbestos fibers to induce numerical and structural chromosome aberrations in human mesothelial cells in vitro. Eur. J. Cell Biol. 78, Suppl. 49, 98 (1999).

49. LOHANI, M., POSER, I., BECKER, H.H. , DOPP, E., SCHIFFMANN, D., and RAHMAN, Q.: Genetic damage by kerosene soot in Syrian hamster embryo (SHE) fibroblasts. Eur. J. Cell Biol. 78, Suppl. 49, 98 (1999).

50. LOHANI, M., BECKER, H.H., DOPP, E., SCHIFFMANN, D., and RAHMAN, Q.: Evidence that ultrafine titanium dioxide induces micronuclei and apoptosis in Syrian hamster embryo (SHE) fibroblasts. Eur. J. Cell Biol. 78, Suppl. 49, 98 (1999).

51. LOHANI, M., SCHIFFMANN, F., BECKER, H.H., DOPP, E., SCHIFFMANN, D., and RAHMAN, Q.: Co-exposure to kerosene soot and chrysotile asbestos causes additive genotoxic effects in Syrian hamster embryo (SHE) fibroblasts. Eur. J. Cell Biol. 78, Suppl. 49, 99 (1999).

52. PAPP, T., PEMSEL, H., RAHMAN, Q., DOPP, E., WEISS, D.G., SCHIFFMANN, D. and MUELLER, K.M.: Mutational analysis of N-ras, CDK4, p53, p16INK4a and p19ARF in human mesothelioma. Eur. J. Cell Biol. 78, Suppl. 49, 99 (1999).

FURTHER CONTRIBUTIONS

1. HORAK, I., KAERLEIN, M. and SCHIFFMANN, D.: Ribosomal proteins in virus infected HeLa cells. Proceedings of the 10th International Congress of Biochemistry, Hamburg, F.R.G., p. 136 (1976).

2. SCHIFFMANN, D. and HORAK, I.: Acidic ribosomal proteins from HeLa cells. Proceedings of the 11th FEBS Meeting, Copenhagen, Denmark, Abstract No. 217 (1977).

3. SCHIFFMANN, D. and KOSCHEL, K.: Interferon dose response of mouse L 929 cells and ganglioside deficient transformed mouse fibroblasts NCTC 2071. Proceedings of the 13th FEBS Meeting, Jerusalem, Israel, p.166 (1980).

4. SCHIFFMANN, D., WONG, A., TSUTSUI, T., DEGEN, G., BARRETT, J. C. and Mc LACHLAN, J. A.: Induction of unscheduled DNA synthesis by some structural analogs of diethylstilbestrol in Syrian hamster embryo fibroblasts. Proceedings of the 13th International Cancer Congress, Seattle, U.S.A., p.117 (1982).

5. SCHIFFMANN, D., WILD, D. and HENSCHLER, D.: IQ, 2-amino-3-methylimidazo-4,5-f-quinoline induces morphological transformation and unscheduled DNA synthesis in cultured Syrian hamster embryo cells. 4th International Conference on Environmental Mutagens, Stockholm, Sweden, Abstr. No. PF 13 (1985).

6. SCHIFFMANN, D., PECHAN, R., METZLER, M. and HENSCHLER, D.: Diethylstilbestrol (DES) induces DNA hypomethylation. 13th International Congress of Biochemistry, Amsterdam, Netherlands, Abstr. No. FR 104 (1985).

7. PECHAN, R., KIMMERLE, G., SCHIFFMANN, D., WILD, D. and HENSCHLER, D.: Influence of excision versus error prone repair on the genotoxicity of the base analog 5-azacytidine in bacteria and mammalian cells. 13th International Congress of Biochemistry, Amsterdam, Netherlands, Abstr. No. MO 020 (1985).

8. EPE, B., SCHIFFMANN, D. and METZLER, M.: Ability of diethylstilbestrol metabolites to induce direct and indirect DNA damage in vitro. 1st Gordon Research Conference on Hormonal Carcinogenesis, New Hampton, U.S.A. (1985).

9. SCHIFFMANN, D., PECHAN, R., EDER, E. and HENSCHLER, D.:Induction of morphological transformation in Syrian hamster embryo fibroblasts by structurally related allylic compounds. 14th International Cancer Congress, Budapest, Hungary, Abstr. No. 1392 (1986).

10. PECHAN, R., SCHIFFMANN, D. and HENSCHLER, D.: Concanavalin A inhibits tumor cell growth via activation of cellular cytosine-5-methyltransferase. 14th International Cancer Congress, Budapest, Hungary, Abstr. No. 424 (1986).

11. SCHIFFMANN, D.: Diethylstilbestrol induces inheritable hypomethylation of DNA in Syrian hamster embryo fibroblasts (plenary lecture) . 2nd International Workshop "Enzymology of DNA Methylation", Montroc, France (1987).

12. SCHIFFMANN, D.: Application of a multiple endpoint approach in one cell system for genotoxicity testing (plenary lecture). Symposium: Alternatives to Animal Experiments in Risk Assessment, Berlin, F.R.G., (1987).

13. SCHIFFMANN, D., PECHAN, R. and METZLER, M.: Inhibition of cytosine-5-methyltransferase and induction of DNA-hypomethylation in Syrian hamster embryo fibroblasts by estrogenic compounds. 2nd Gordon Research Conference on Hormonal Carcinogenesis, New Hampton, U.S.A., (1987).

14. SCHIFFMANN, D., SCHMUCK, G., PECHAN, R. and METZLER, M.: Trenbolone induces neoplastic transformation and micronucleus formation in Syrian hamster embryo fibroblasts. 2nd Gordon Research Conference on Hormonal Carcinogenesis, New Hampton, U.S.A., (1987).

15. SCHIFFMANN, D., SCHMUCK, G., LIEB, G., WILD, D. and HENSCHLER, D.: Micronucleus formation in Syrian hamster embryo cells: Testing of known carcinogens/noncarcinogens. 10th International Congress of Pharmacology, Sydney, Australia, Abstract No. 1192 (1987).

16. SCHIFFMANN, D., DE BONI, U., SCHÖNENBERGER, H. and METZLER, M.: Micronuclei induced by a diethylstilbestrol analog are formed from chromatin elements lagging during chromosome migration in mitosis. XVIII Annual Meeting of the European Environmental Mutagen Society, Varna, Bulgaria, Abstract No. 43 (1988).

17. VARGAS, F., ADAM, W., EPE, B., SCHIFFMANN, D. and WILD, D.: Photobiological model studies with 1,2-Dioxetanes: Competing deactivation (reduction, oxygen transfer, dark catalysis) with biologically significant substrates via electron transfer. Belgian Society for the Study of Oxygen Metabolism, Ghent, Belgium (1988).

18. VARGAS, F., HASEMANN, L., ADAM, W., EPE, B., SCHIFFMANN, D. and WILD, D.: Single electron transfer (SET) leading to radical species in the redox reactions of cyclic peroxides with biological substrates. 5th International Symposium on Organic Free Radicals, Zürich, Switzerland (1988).

19. SCHIFFMANN, D., TAS, P. and KOSCHEL, K.: Does Diethylstilbestrol (DES) induce relaxation of actomyosin in C6 rat glioma cells ? 5th International Workshop on in vitro Toxicology, Schloß Elmau, W. Germany, Abstract No. 3.10 (1988).

20. SCHIFFMANN, D., DE BONI, U., SCHNITZLER, R. and METZLER, M.: Micronucleus formation induced by stilbene estrogens in Syrian hamster embryo cells: time course and possible relationship to spindle function disturbance (plenary lecture). Aneuploidy: Mechanisms of Origin, an International Meeting, Reno/Tahoe, U.S.A. (1989).

21. SCHIFFMANN, D., SCHNITZLER, R. and DEBONI, U.: Formation and ultrastructure of micronuclei induced by diethylstilbestrol in vitro. 19th Annual Meeting of the Europ. Environmental Mutagen Society, Rhodos, Greece, Abstract p. 19 (1989).

22. SCHIFFMANN, D.: Evaluation of genetic endpoints in combination with transformation studies (plenary lecture). Syrian Hamster Embryo (SHE) Cell Transformation Workshop, Wintergreen Resort, Wintergreen VA, U.S.A. (1990).

23. HERRERA, L., S.CHIFFMANN, D., OSTROSKY, P. and Montero, R.: Mutagenicity studies with Praziquantel, an effective drug for treatment of helminthic infections. International Meeting on Trends in Biological Dosimetry, Lerici, Italy (1990).

24. SCHIFFMANN, D.: Loss of chromatin elements during mitosis induced by nongenotoxic carcinogens (plenary lecture). XV. Mexican Congress of Human Genetics, Xalapa, Mexico (1990).

25. SCHIFFMANN, D.: Molecular analysis of neoplastic cell transformation (plenary lecture). XV. Mexican Congress of Human Genetics, Xalapa, Mexico (1990).

26. SCHIFFMANN, D., TAS, P., STOPPER, H. and KOSCHEL, K.: Changes of the intracellular calcium level induced by the carcinogenic estrogen diethylstilbestrol. 6th International Workshop on In Vitro Toxicology, Seillac, France (1990).

27. SCHIFFMANN, D., KIRCHNER, S., YOO, H.J., PAPP, T., STOPPER, H. and VIG, B.K.: Are dislocated metaphase chromosomes and loss of kinetochores involved in the genesis of aneuploidy ? 21st Annual Meeting of the European Environmental Mutagen Society, Prague, CSFR (1991).

28. SCHIFFMANN, D., TAS, P., STOPPER, H. and KOSCHEL, K.: Diethylstilbestrol induces changes of the intracellular calcium level in C6 rat glioma cells. 3rd Gordon Research Conference on Hormonal Carcinogenesis, Colby Sawyer College, New London, U.S.A., (1991).

32. SCHIFFMANN, D., STOPPER, H., TAS, P., AMBS, S. and KOSCHEL, K.: Diethylstilbestrol induces a calcium rise in c6 rat glioma cells: role of extracellular calcium and calcium stores. 4th Gordon Research Conference on Hormonal Carcinogenesis, Salve Regina University, Newport, U.S.A. (1991).

29. STOPPER, H., KÖRBER, D., SCHIFFMANN, D. and CASPARY, W.J.: Induction of micronuclei by nongenotoxic carcinogens in L5178Y cells. 22nd Annual Meeting of the European Environmental Mutagen Society, Berlin, Germany (1992).

30. TAS, P., STOPPER, H., AMBS, S., KOSCHEL, K. and SCHIFFMANN, D.: Role of extracellular calcium, calcium stores and cellular energy state in the Diethylstilbestrol-induced intracellular calcium rise. 7th International Workshop on In Vitro Toxicology, De Haan, Belgium (1992).

31. KIRCHNER, S., STOPPER,H. PAPP,T. YOO, H.J., VIG, B.K. and SCHIFFMANN, D.: Analysis of cytogenetic changes in normal, malignant and aneugen-treated cells. Approaches for the Identification of Lesions Relevant in Carcinogenesis - International Symposium of the SFB 172, Würzburg, Germany (1992).

33. SCHIFFMANN, D. and PAPP, T.: Activation of ras genes and their association with human melanocytic lesions. Keystone Symposium „DNA Recombination“, Taos, USA (1996).

34. CASPARY, W. ECKERT, I., SCHIFFMANN, D., SPENCER, D. and STOPPER, H.: Are aneugen-induced micronuclei early events leading to loss of heterozygosity ? Keystone Symposium „DNA Recombination“, Taos, USA (1996).

35. SCHIFFMANN, D., and DOPP, E.: Induction of apoptosis by asbestos and ceramic fibers. Keystone Symposium „Apoptosis and Programmed Cell Death“, Tamarron, USA (1997).

36. SCHIFFMANN, D. and DOPP, E.: Characterization of asbestos-induced chromosome alterations in Syrian hamster embryo fibroblasts (plenary lecture).Workshop on Biological Monitoring and Exposure, Industrial Toxicology Centre, Lucknow, India (1997).

37. SCHIFFMANN, D. and DOPP, E.: Modulation of the intracellular calcium level in mammalian cells caused by estrogens and antiestrogens modulation of the intracellular calcium level in mammalian cells caused by estrogens and antiestrogens. Keystone Symposium „Nuclear Receptor Gene Family“, Incline Village, USA (1998).

38. SCHIFFMANN, D. and PAPP, T.: Mutational analysis of N-ras, p53, p16ink4a, CDK4 and MC1R genes in human congenital nevi. Keystone Symposium „Molecular Basis of Cancer“, Taos, USA (1999).