Document Detail

Life Cycle of Feline Corpora lutea: Histological and Intraluteal Hormone Analysis.
MedLine Citation:
PMID:  23279459     Owner:  NLM     Status:  In-Data-Review    
The corpus luteum (CL) is a transient hormone gland on the ovary that produces progesterone (P4) for the maintenance of pregnancy. It develops from residual follicular granulosa and theca cells after ovulation. Very little is known about the cellular and hormonal processes within CLs obtained from pregnant and pseudopregnant felids. Therefore, our aim was to review the luteal function in feline CLs of different reproductive stages in conjunction with our data obtained in domestic cats and Eurasian lynxes. Corpus luteum function in lynxes is of particular interest, as a post-partum luteal activity was suggested based on repeated ultrasonography and endocrine examinations. Histology of CL from pregnant and pseudopregnant domestic cats clearly reflects the luteal function. The formation of the CL after ovulation is characterized by transforming of theca and granulosa cells into steroidogenic luteal cells and is accompanied by increased intraluteal and circulating P4 levels. Luteal regression is steadily progressive; the first signs (coarsed vacuolization, increased proportion of non-steroidogenic cells) are visible already in CL from the second trimester of pregnancy.
K Jewgenow; O Amelkina; J Painer; F Göritz; M Dehnhard
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Reproduction in domestic animals = Zuchthygiene     Volume:  47 Suppl 6     ISSN:  1439-0531     ISO Abbreviation:  Reprod. Domest. Anim.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-01-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9015668     Medline TA:  Reprod Domest Anim     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  25-9     Citation Subset:  IM    
Copyright Information:
© 2012 Blackwell Verlag GmbH.
Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany.
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