Glucagon-like peptide 2 (GLP-2) in bovine colostrum and transition milk

Yudai Inabu, Hiroshi Yamamoto, Haruki Yamano, Yutaka Taguchi, Shunnosuke Okada, Tetsuji Etoh, Yuji Shiotsuka, Ryoichi Fujino, Hideyuki Takahashi

Research output: Contribution to journalArticlepeer-review

Abstract

Bovine colostrum contains growth factors, cytokines, hormones, and enzymes, which have important roles in stimulating gastrointestinal development of neonatal calves. In the present study, we measured the concentration of glucagon-like peptide 2 (GLP-2), one of the gut-derived peptides secreted from intestinal L-cells, in colostrum and transition milk of Japanese black cattle. All colostrum samples were collected within 24 h after calving (d 0) and transition milk was collected at 24, 48 and 72 h relative to the time at colostrum sampling (d 1, d 2 and d 3, respectively). Concentrations of GLP-2 in colostrum were 5.53 ± 1.07 ng/mL on average (range = 0.94–9.60 ng/mL) and decreased from d 0 to 3 (P < 0.01). Furthermore, concentrations of GLP-2 in colostrum and transition milk were quadratically decreased with the elapsed time from parturition until colostrum sampling (R2 = 0.48, P < 0.01). Our results show for the first time that GLP-2 is present in bovine colostrum and transition milk and that concentrations decreased with elapsed time from parturition.

Original languageEnglish
Article numbere07046
JournalHeliyon
Volume7
Issue number5
DOIs
Publication statusPublished - May 2021

All Science Journal Classification (ASJC) codes

  • General

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