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Plasma protein binding information


Plasma protein binding refers to the degree to which medications attach to blood proteins within the blood plasma. A drug's efficacy may be affected by the degree to which it binds. The less bound a drug is, the more efficiently it can traverse or diffuse through cell membranes. Common blood proteins that drugs bind to are human serum albumin, lipoprotein, glycoprotein, and α, β‚ and γ globulins.

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Plasma protein binding

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Plasma protein binding refers to the degree to which medications attach to blood proteins within the blood plasma. A drug's efficacy may be affected by...

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Volume of distribution

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plasma protein binding capabilities have higher volumes of distribution than drugs which are more polar, more highly ionized or exhibit high plasma protein...

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Cetirizine

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plasma protein binding of cetirizine has been found to be 93 to 96% across a range of 25 to 1,000 ng/mL independent of concentration. Plasma protein binding...

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Protein S

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plasma steroid hormone-binding proteins such as sex hormone-binding globulin and corticosteroid-binding globulin. It may play a role in the protein functions...

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Retinol binding protein 4

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Retinol binding protein 4, also known as RBP4, is a transporter protein for retinol (vitamin A alcohol). RBP4 has a molecular weight of approximately...

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Lipopolysaccharide binding protein

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Lipopolysaccharide binding protein (LBP) is a protein that in humans is encoded by the LBP gene. LBP is a soluble acute-phase protein that binds to bacterial...

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Euthyroid sick syndrome

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diseases. It is typically associated with high-T3 syndrome, increased plasma protein binding of thyroid hormones, and an elevated set point of the homeostatic...

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Thyroid function tests

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indicator of thyroid status in the presence of abnormalities in plasma protein binding. This test is rarely used now that reliable free thyroxine and free...

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IC50

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potency, such as EC50 for excitatory drugs. EC50 represents the dose or plasma concentration required for obtaining 50% of a maximum effect in vivo. IC50...

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Serum albumin

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tissues. It also acts as a plasma carrier by non-specifically binding several hydrophobic steroid hormones and as a transport protein for hemin and fatty acids...

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Metformin

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molecular weight and lack of plasma protein binding, these techniques have the benefit of removing metformin from the blood plasma, preventing further lactate...

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Albumin

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Alpha-fetoprotein is a fetal plasma protein that binds various cations, fatty acids and bilirubin. Vitamin D-binding protein binds to vitamin D and its...

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Protein

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Deproteination DNA-binding protein Macromolecule Index of protein-related articles Intein List of proteins Proteopathy Proteopedia Proteolysis Protein sequence...

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Ligand binding assay

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ligand binding assay techniques were used extensively to quantify hormone or hormone receptor concentrations in plasma or in tissue. The ligand-binding assay...

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Thyroid storm

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occasionally, also low TSH concentrations, low-T4 syndrome and impaired plasma protein binding of thyroid hormones. This endocrine pattern is referred to as euthyroid...

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Peripheral membrane protein

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lipid substrate(s). Membrane binding may also promote rearrangement, dissociation, or conformational changes within many protein structural domains, resulting...

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Betahistine

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The mean plasma elimination half-life is 3 to 4 hours, and excretion is virtually complete in the urine within 24 hours. Plasma protein binding is very...

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G protein

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G proteins, also known as guanine nucleotide-binding proteins, are a family of proteins that act as molecular switches inside cells, and are involved...

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ABC transporter

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plasma membrane. Also, the structure of the T domains determines the specificity of each ABC protein. In the inward facing conformation, the binding site...

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Bilastine

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and plasma protein binding of 84–90%. Bilastine is a peripherally selective drug, and this thought to be due to limited brain uptake caused by binding to...

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Sertraline

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Sertraline is highly plasma protein bound (98.5%) across a concentration range of 20 to 500 ng/mL. Despite the high plasma protein binding, sertraline and...

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Montelukast

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other CYP2C8 substrate drugs, which is most likely due to the high plasma protein binding exhibited by montelukast. Singulair was covered by U.S. Patent No...

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Dydrogesterone

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amenorrheic women. The plasma protein binding of dydrogesterone and 20α-DHD are unknown. Based on the plasma protein binding of other progestins however...

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