| Detection of Follicular Apoptosis in Water Buffalo (Bubalus bubalis) Ovary by Histology and Nick End Labelling Technique. | |
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MedLine Citation:
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PMID: 20070580 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The objective of this experiment was to assess the features and extent of follicular apoptosis in the water buffalo (Bubalus bubalis) ovary using classical histology and nick end labelling technique. Ovaries (n = 40) procured from the slaughterhouse were used for the study. The sections (5 μm) were used for detection of terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labelling (TUNEL) and classical histology (H&E). Those follicles showing ≥ 5% TUNEL positivity (TUNEL assay) and pyknotic nuclei (histology) in granulosa cells were classified as atretic. Based on histology, the atretic primary and secondary follicles (%) were 93.82 and 95.62 respectively. The histology study reveals that the rates (%) of atresia in <1, 1-3, 3-5 mm and >5 mm were 36.90, 40.50, 62.84 and 74.5 respectively. Further the atretic tertiary follicles (%) were significantly lower than the primary and secondary classes of follicles. TUNEL assay reveals that the atretic rate (%) of tertiary follicles in <1, 1-3, 3-5 and ≥ 5 mm class follicles were 50.88, 53.84, 81.81 and 36.36 respectively. The percentage of atresia in >5 mm diameter follicles were significantly lower in TUNEL than histology. Percentages of granulosa and thecal cells positive for atresia by TUNEL were 30.7 ± 0.53 and 13.82 ± 0.18 respectively per follicle. The initial structural changes in atretic follicles were seen primarily in the granulosa cells. In severely atretic follicles TUNEL positive granulosa cells along with theca cells have to be considered in assessing the rate and extent of atresia. |
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Authors:
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P Sreejalekshmi; Bs Raghavendra; T Siva Subramani; V Chandrashekara Murthy; Kv Jamuna; Rv Prasad; Jp Ravindra; S Selvaraju |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Reproduction in domestic animals = Zuchthygiene Volume: 46 ISSN: 1439-0531 ISO Abbreviation: Reprod. Domest. Anim. Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-01-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9015668 Medline TA: Reprod Domest Anim Country: Germany |
Other Details:
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Languages: eng Pagination: 59-65 Citation Subset: IM |
Copyright Information:
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© 2010 Blackwell Verlag GmbH. |
Affiliation:
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Department of Veterinary Anatomy, Veterinary College, Bangalore, India Animal Physiology Division, National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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