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Target intelligence / Profile preview
Renal Tubular Reabsorption (N/A)
- Target
- N/A
- Molecular classification
- Physiological process, Renal function
01
Overview
Renal tubular reabsorption refers to the process by which the kidneys, specifically the proximal tubules, reclaim substances, including radiolabeled peptides, from the filtrate back into the bloodstream after glomerular filtration. This physiological mechanism, primarily driven by megalin/cubilin-mediated endocytosis in the proximal convoluted tubule, is crucial for maintaining homeostasis but also presents challenges in nuclear medicine and targeted radionuclide therapy due to potential nephrotoxicity from peptide retention. Strategies to mitigate renal uptake include structural modification of peptides and co-infusion with competitive inhibitors.
- Other names
- Proximal tubule reabsorptionKidney reabsorption of peptides
02
Mechanism of action
Receptor-mediated endocytosis via megalin/cubilin complexes
03
Biological functions
Reabsorption of solutesMaintenance of fluid and electrolyte balanceWaste removal
04
Disease associations
NephrotoxicityKidney diseaseDrug-induced kidney injury
05
Safety considerations
NephrotoxicityRenal accumulation of radiolabeled peptides
06
Interacting drugs
177Lu-labeled somatostatin analogs
2 more in the full profile.
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