Gene expression profiles in the bovine corpus luteum (CL) during the estrous cycle and pregnancy

Possible roles of chemokines in regulating cl function during pregnancy

Ryosuke Sakumoto, Ken Go Hayashi, Misa Hosoe, Kosuke Iga, Keiichiro Kizaki, Kiyoshi Okuda

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

To determine functional differences between the corpus luteum (CL) of the estrous cycle and pregnancy in cows, gene expression profiles were compared using a 15 K bovine oligo DNA microarray. In the pregnant CL at days 20–25, 40–45 and 150–160, the expressions of 138, 265 and 455 genes differed by a factor of > 2-fold (P <0.05) from their expressions in the cyclic CL (days 10–12 of the estrous cycle). Messenger RNA expressions of chemokines (eotaxin, lymphotactin and ENA-78) and their receptors (CCR3, XCR1 and CXCR2) were validated by quantitative real-time PCR. Transcripts of eotaxin were more abundant in the CL at days 40–45 and 150–160 of pregnancy than in the cyclic CL (P <0.01). In contrast, the mRNA expressions of lymphotactin, ENA-78 and XCR1 were lower in the CL of pregnancy (P <0.05). Messenger RNAs of CCR3 and CXCR2 were similarly detected both in the cyclic and pregnant CL. Tissue protein levels of eotaxin were significantly higher in the CL at days 150–160 of pregnancy than in the CL at other stages, whereas the lymphotactin protein levels in the CL at days 20–25 of pregnancy were lower (P <0.05). Immunohistochemical staining showed that CCR3 was expressed in the luteal cells and that XCR1 was expressed in both the luteal cells and endothelial cells. Collectively, the different gene expression profiles may contribute to functional differences between the cyclic and pregnant CL, and chemokines including eotaxin and lymphotactin may regulate CL function during pregnancy in cows.

Original languageEnglish
Pages (from-to)42-48
Number of pages7
JournalJournal of Reproduction and Development
Volume61
Issue number1
Publication statusPublished - 2015

Fingerprint

chemokines
corpus luteum
estrous cycle
pregnancy
gene expression
cattle
luteal cells
messenger RNA
cows
endothelial cells
quantitative polymerase chain reaction
proteins

Keywords

  • Chemokines
  • Corpus luteum
  • Cow
  • Microarray analysis
  • Pregnancy

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Gene expression profiles in the bovine corpus luteum (CL) during the estrous cycle and pregnancy : Possible roles of chemokines in regulating cl function during pregnancy. / Sakumoto, Ryosuke; Hayashi, Ken Go; Hosoe, Misa; Iga, Kosuke; Kizaki, Keiichiro; Okuda, Kiyoshi.

In: Journal of Reproduction and Development, Vol. 61, No. 1, 2015, p. 42-48.

Research output: Contribution to journalArticle

Sakumoto, Ryosuke ; Hayashi, Ken Go ; Hosoe, Misa ; Iga, Kosuke ; Kizaki, Keiichiro ; Okuda, Kiyoshi. / Gene expression profiles in the bovine corpus luteum (CL) during the estrous cycle and pregnancy : Possible roles of chemokines in regulating cl function during pregnancy. In: Journal of Reproduction and Development. 2015 ; Vol. 61, No. 1. pp. 42-48.
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