Renal oligopeptide reabsorption

Renal oligopeptide reabsorption is the part of renal physiology that deals with the retrieval of filtered oligopeptides, preventing them from disappearing from the body through the urine.

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Almost all reabsorption takes place in the proximal tubule. Practically nothing is left in the final urine. Longer oligopeptides, such as angiotensin^[1] and glutathione^[1] are degraded by enzymes on the brush border, while shorter ones, such as carnosine^[1], are transported across the apical membrane as a whole by the PepT 1 transporter, and degraded inside the proximal tubule cell.

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