Background:

Retinol (Vitamin A) is transported in the blood bound to its carrier protein, retinol-binding protein (RBP), also designated plasma retinol-binding protein (PRBP) or RBP4. A member of the lipocalin family, RBP conveys retinol from stores in the liver to peripheral tissues. In plasma, RBP binds transthyretin (TTR, formerly called prealbumin) to prevent glomerular filtration of low molecular weight RBP in the kidneys. The stability of this complex holds diagnostic importance because the molar ratio of RBP:TTR provides an indirect way to indicate marginal vitamin A deficiency. Vitamin A deficiency blocks the secretion of RBP resulting in defective delivery and supply to epidermal cells. Originally identified solely as a transporter protein, recent studies correlating increased levels of RBP expression in adipose tissue with insulin resistance have generated research into the possible roles the protein

Specificity:

RBP4 polyclonal antibody detects endogenous levels of RBP4 protein.

Alternative names:

PRBP, RBP, RBP4, OTTHUMP00000020114, OTTHUMP00000020115, OTTHUMP00000020116, Plasma retinol binding protein 4, Plasma retinol-binding protein, Plasma retinol-binding protein(1-176), PRBP, PRO2222, RBP, RBP4, RDCCAS, RET4, Retinol binding protein 4, Retinol binding protein 4 interstitial, Retinol binding protein 4 plasma,

Species reactivity:

Human

Host:

Rabbit

Ig type:

Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2

Immunogen:

recombinant protein

Purification & Purity:

ProA affinity purified

Molecular weight:

23 kDa

Applications:

WB IHC

Usage:

WB:1:500-1:2,000 IHC:1:50-1:200

Storage:

Store at +4°C after thawing. Aliquot store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Precautions:

For research use only, not for use in diagnostic procedure.

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