Target intelligence / Profile preview

Human serum albumin (HSA)

Target
HSA
Molecular classification
Protein, Serum albumin family
01

Overview

Human serum albumin (HSA) is the most abundant protein in human blood plasma, constituting about half of the total serum protein content. It plays a critical role in maintaining oncotic pressure, regulating blood pH, and transporting a wide variety of endogenous and exogenous substances including hormones, fatty acids, bilirubin, thyroxine (T4), cations (such as Ca²⁺, Na⁺, K⁺), and many pharmaceuticals.

02

Mechanism of action

Serves as a carrier for various ligands, influencing their distribution and bioavailability.

03

Biological functions

Maintains oncotic pressureBuffers blood pHTransports fatty acidsTransports hormonesTransports bilirubinTransports metal ionsTransports pharmaceuticalsTransports vitaminsTransports growth factors
04

Disease associations

HypoalbuminemiaShock states
05

Safety considerations

Low immunogenicity
06

Interacting drugs

Fatty acids

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