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Titolo:
Marmoset spermatogenesis: organizational similarities to the human
Autore:
Millar, MR; Sharpe, RM; Weinbauer, GF; Fraser, HM; Saunders, PTK;
Indirizzi:
Ctr Reprod Biol, MRC, Human Reprod Sci Unit, Edinburgh EH3 9ET, Midlothian, Scotland Ctr Reprod Biol Edinburgh Midlothian Scotland EH3 9ET idlothian, Scotland Univ Munster, Inst Reprod Med, D-48149 Munster, Germany Univ Munster Munster Germany D-48149 eprod Med, D-48149 Munster, Germany
Titolo Testata:
INTERNATIONAL JOURNAL OF ANDROLOGY
fascicolo: 5, volume: 23, anno: 2000,
pagine: 266 - 277
SICI:
0105-6263(200010)23:5<266:MSOSTT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
CELL NUCLEAR ANTIGEN; HUMAN SEMINIFEROUS TUBULES; COMMON MARMOSET; 5-BROMODEOXYURIDINE TECHNIQUE; CALLITHRIX-JACCHUS; HORMONE ANTAGONIST; EPITHELIAL CYCLE; MONKEY MACACA; PARTIAL-WAVE; TESTIS;
Keywords:
common marmoset; CREM; PCNA; protamine P2; spermatid; spermatocyte; spermatogenesis; testis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Saunders, PTK Ctr Reprod Biol, MRC, Human Reprod Sci Unit, 37 Chalmers St,Edinburgh EH39ET, Midlothian, Scotland Ctr Reprod Biol 37 Chalmers St Edinburgh Midlothian Scotland EH3 9ET
Citazione:
M.R. Millar et al., "Marmoset spermatogenesis: organizational similarities to the human", INT J ANDR, 23(5), 2000, pp. 266-277

Abstract

The common marmoset (Callithrix jacchus), a small New World primate of high fecundity, is widely used in reproductive research. The aim of the present study was to determine the organization of the germ cells within the seminiferous epithelium, the duration of the spermatogenic cycle and the numberof spermatogonial mitoses. Antibodies to cAMP response element modulator (CREM) and proliferating nuclear cell antigen (PCNA) and a cRNA directed against protamine P2 and morphological criteria were used to discriminate between stages of the spermatogenic cycle. Plastic sections were used to document the cell associations present in each of the nine stages of spermatogenesis. Up to five such stages could be observed within individual cross-sections of seminiferous tubules. Based on the pattern of incorporation of bromodeoxyuridine the length of the spermatogenic cycle was estimated to be 10 days and the duration of spermatogenesis to be 37 days. Four mitotic divisions were noted in spermatogonia. It is concluded that the organization of spermatogenesis in the marmoset has similarities to the human ('helical') andthis makes the marmoset a suitable model for studies relevant to human testicular function.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 13:28:55