XB-ART-17827
FEBS Lett
1996 Aug 19;3921:25-9.
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Immunolocalization and pharmacological relevance of oligopeptide transporter PepT1 in intestinal absorption of beta-lactam antibiotics.
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A polyclonal antibody (anti-PepT1/C) was raised against the rabbit intestinal H(+)-coupled oligopeptide transporter, PepT1. Anti-PepT1/C detected 70-80-kDa protein in crude membranes obtained from rabbit duodenum, jejunum and ileum. PepT1 was localized in the brush-border of the absorptive epithelial cells by subcellular fractionation of membranes on a sucrose density gradient and by immunohistochemistry using light and electron microscopy. Transport activity for cephalosporins and dipeptide expressed in Xenopus laevis oocytes injected with total mRNA obtained from rabbit small intestine was eliminated completely by prehybridization of the mRNA with antisense oligonucleotide against the 5'-coding region of rabbit PepT1 cDNA.
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Species referenced: Xenopus laevis
Genes referenced: slc15a1