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Grantee Research Project Results

NCER Grantee Research Project Results

Publications Details for:

Xenoestrogen Effects During Premeiotic Stages of Spermatogenesis Development of an InVitro Test System and Molecular Markers of Action
Grant Number R825434
RFA: Endocrine Disruptors (1996)


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Book Chapter (4)
Journal Article (5)
Presentation (4)
Reference Type Citation Progress Report Year Document Sources
Book Chapter Callard GV, McClusky LM, Betka M. Apoptosis as a normal mechanism of growth control and target of toxicant actions during spermatogenesis: insights using the shark testis model. In: Le Gal Y, Halvorson LGA, eds. New Developments in Marine Biotechnology. New York, NY: Plenum Press, 1998, pp. 125-128. R825434 (Final)
Book Chapter Callard GV, Callard IP. Spermatogenesis in nonmammals. In: Knobil E, Neill J, eds. Encyclopedia of Reproduction. San Diego, CA: Academic Press, 1999, pp. 563-570. R825434 (Final)
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Book Chapter Engel KB, Callard GV, The testis and spermatogenesis. In Hamlett WC, ed. Reproductive Biology and Phylogeny of Chondrichthyes: Sharks, Batoids, and Chimaeras. Enfield, NH: Science Publishers, 2005, pp. 171-200. R825434 (Final)
not available
Book Chapter Engel KB, Callard GV. Endocrinology of Leydig cells in nonmammalian vertebrates. In: Payne AH, Hardy MP, eds. The Leydig Cell in Health and Disease. Totowa, NJ: Humana Press, 2007, pp. 207-224. R825434 (Final)
Journal Article Betka M, Callard GV. Stage-dependent accumulation of cadmium and induction of metallothionein-like binding activity in the testis of the dogfish shark, Squalus acanthias. Biology of Reproduction 1999;60(1):14-22. R825434 (Final)
Journal Article Betka M, Welenc A, Franks DG, Hahn ME, Callard GV. Characterization of two aryl hydrocarbon receptor (AHR) mRNA forms in Squalus acanthias and stage-dependent expression during spermatogenesis. The Bulletin, Mount Desert Island Biological Laboratory 2000;39:110-112. R825434 (Final)
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Journal Article McClusky LM. Stage and season effects on cell cycle and apoptotic activities of germ cells and Sertoli cells during spermatogenesis in the spiny dogfish (Squalus acanthias). Reproduction 2005;129(1):89-102. R825434 (Final)
Journal Article McClusky LM. Stage-dependency of apoptosis and the blood-testis barrier in the dogfish shark (Squalus acanthias): cadmium-induced changes as assessed by vital fluorescence techniques. Cell and Tissue Research 2006;325(3):541-553. R825434 (Final)
Journal Article Wang C, Callard GV. Polymerase chain reaction (PCR)-differential display identifies a subset of stage-dependent and cadmium-regulated genes during spermatogenesis in Squalus acanthias. The Bulletin, Mount Desert Island Biological Laboratory 2001;40:96-98. R825434 (Final)
Presentation Betka M, Welenc A, Franks DG, Hahn ME, Callard GV. Stage-related distribution of two aryl hydrocarbon receptor (AhR) forms in the spiny dogfish (Squalus acanthias) testis and effects of AhR agonists on spermatogonial proliferation and death. Presented at the Annual Meeting of the Society of Environmental Toxicology and Chemistry (SETAC), Philadelphia, PA, November 1999. R825434 (Final)
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Presentation Callard GV, McClusky L, Betka M. Stage-specific effects of hormones and spermatotoxicants on germ cell proliferation and death: the shark testis model. Presented at the Symposium on Endocrine Disruptors, 5th International Congressional Physiology and Biochemistry Symposium, Calgary, Canada, August 1999. R825434 (Final)
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Presentation Callard GV, Wang C, Sikora R, Betka M. In vivo effects of cadmium on the estrogen signaling pathway during spermatogenesis. Presented at the Symposium on Estrogens in the Environment, New Orleans, LA, October 1999. R825434 (Final)
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Presentation Callard G, Wang C. PCR-differential display identifies a subset of stage-dependent and cadmium-regulated mitochondrial genes during spermatogenesis. Presented at the International Symposium on Hormones & Endocrine Disruptors in Food and Water: Possible Effects on Human Health, Copenhagen, Denmark, May 2000. R825434 (Final)
not available

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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