Effect of incubation temperature on lactogenic function of goat milk-derived mammary epithelial cells.

In Vitro Cellular & Developmental Biology. Animal
N SaipinR Rungsiwiwut

Abstract

In general, goat mammary epithelial cells (MECs) are cultured in vitro under 37 °C. We demonstrated previously that goat MECs differentiate under 37 °C although their body temperature is approximately 39 °C. This study aimed to investigate the influence of 39 °C on lactogenic differentiation of goat milk-derived MECs. The results revealed that HSP70 gene was significantly elevated at 1 h after an exposure to 39 °C but declined at 48 h thereafter. Oxidative stress status was not significantly affected by 39 °C. Expressions of CSN2, β-GALT1, α-LA, and Akt genes tended to increase after the differentiation under 39 °C. Secretion of lactose under 39 °C was not significantly lower than 37 °C. In conclusion, incubation temperature at 39 °C does not dramatically affect lactogenic function of goat milk-derived MECs.

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