Uptake and storage of vitamin A as lipid droplets in the cytoplasm of cells in the lamina propria mucosae of the rat intestine
作者： Haruki Senoo , Yoshihiro Mezaki , Mayako Morii , Taku Hebiguchi , Mitsutaka Miura
DOI: 10.1002/CBIN.10140
关键词:
摘要: Vitamin A (retinyl palmitate) was injected subcutaneously or administered to rats by tube feeding. After subcutaneous injection, vitamin taken up and stored in cells of the lamina propria mucosae rat intestine. oral administration, absorbed intestinal absorptive epithelial transferred mucosae, where took A. The morphology these similar that hepatic stellate (also called A-storing cells, lipocytes, interstitial fat-storing Ito cells). Thus, intestine could take from systemic circulation as well absorption, store lipid droplets their cytoplasm. data suggest are extrahepatic digestive tract may play roles both absorption homeostasis
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