Journal
REPRODUCTION IN DOMESTIC ANIMALS
Volume 49, Issue 5, Pages 875-880Publisher
WILEY
DOI: 10.1111/rda.12386
Keywords
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Funding
- National Key Technology RD Program [2011BAD19B01]
- '863' Project Foundation of China [2011AA100303]
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Contents Perilipins have been reported to limit the interaction of lipases with neutral lipids within the droplets, thereby regulating neutral lipid accumulation and utilization. This study aimed to identify the location and expression of PLIN1 and PLIN2 in porcine oocytes during maturation. Quantitative real-time polymerase chain reaction (qRT-PCR), immunostaining and Western blot methods were used to characterize the expression and distribution patterns of PLIN1 and PLIN2 in porcine oocytes. The results showed that PLIN1 was not detectable in porcine oocytes. PLIN2 and BODIPY 493/503-detected neutral lipid droplets appeared identical distribution patterns and extensive colocalization in both GV and MII porcine oocytes. PLIN2 protein expression was higher in GV oocytes than that in MII oocytes (p<0.05), although PLIN2 mRNA expression was similar in both groups. These findings suggested that PLIN2 was a major lipid droplet-associated protein in porcine oocytes.
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