期刊
REPRODUCTIVE TOXICOLOGY
卷 22, 期 4, 页码 754-759出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.reprotox.2006.07.008
关键词
male reproductive toxicology; diethylcarbamazine; histopathology; ultrastructure; testis; spermatogenesis
Diethylcarbamazine (DEC) had been proved to be highly effective against lymphatic filariasis, however its effect on vertebrate cells remains uncertain. After 12 days treatment with DEC, most of the Leydig cells were hypertrophied with several lipid droplets, and others had no nucleus and presented characteristic steatosis features. Vacuolization of Sertoli cells was also noted. Ultrastructural analyses of DEC-treated testes revealed spermatogonies with morphological characteristics of apoptosis, as shrinkage of cytoplasm and increased chromosomal density. In addition, Leydig cells showed numerous lipid droplets scattered throughout the cytoplasm, multivesicular bodies and giant whorl-like smooth endoplasmic reficulum. Several spermatids presented vacuolated mitochondriae, which were disorganized in relation to the microtubular axis of the flagellae. These results indicate that DEC probably affects the microtubular function, however the present data does not exclude the possibility that DEC also can act directly on enzymatic hormonal pathways. (c) 2006 Elsevier Inc. All rights reserved.
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