APOH Bovine

Apoliporotein-H Bovine
Cat. No.
BT12044
Source
Fetal calf serum (FCS).
Synonyms
Beta-2-glycoprotein 1, Apolipoprotein H, Apo-H, Beta-2-glycoprotein I, B2GPI, Beta(2)GPI, APOH.
Appearance
Sterile Filtered clear solution.
Purity

Greater than 70% as determined by SDS-PAGE.

Usage

THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Shipped with Ice Packs
In Stock

Description

Bovine Apolipoprotein-H polypeptide is purified from fetal calf serum (FCS) by proprietary protein-chemical techniques, having an Mw of approximately 70kDa.

Product Specs

Introduction
Apolipoprotein H (APOH), also known as Beta-2-glycoprotein I, is a multifunctional protein that interacts with various negatively charged substances, including phospholipids and dextran sulfate. One of its key roles is inhibiting the intrinsic pathway of blood coagulation by binding to exposed phospholipids on damaged cells. Primarily produced by the liver, APOH is secreted into the bloodstream.
Description
This product consists of purified Bovine Apolipoprotein-H polypeptide, obtained from fetal calf serum (FCS) through proprietary protein-chemical techniques. The protein exhibits a molecular weight of approximately 70kDa.
Physical Appearance
The product appears as a clear solution that has undergone sterile filtration.
Formulation
The APOH protein solution is supplied in a buffer containing 16mM Tris-HCl (pH 8.0), 280mM NaCl, 0.16mM AEBSF, and 20% glycerol.
Stability
For short-term storage (up to 2-4 weeks), the product should be kept refrigerated at 4°C. For extended storage, it is recommended to freeze the product at -20°C. Repeated freezing and thawing should be avoided to maintain product integrity.
Purity
Analysis by SDS-PAGE confirms that the purity of this product is greater than 70%.
Synonyms
Beta-2-glycoprotein 1, Apolipoprotein H, Apo-H, Beta-2-glycoprotein I, B2GPI, Beta(2)GPI, APOH.
Source
Fetal calf serum (FCS).

Product Science Overview

Structure and Function

Apolipoprotein-H is a glycoprotein with a molecular weight of approximately 70 kDa . It attaches to numerous negatively charged substances, such as phospholipids and dextran sulfate . This binding capability allows APOH to prevent the activation of the intrinsic blood coagulation cascade by attaching to phospholipids on the surface of damaged cells .

Biological Significance

APOH is involved in regulating several biological processes, including:

  • Blood Coagulation: By binding to phospholipids, APOH prevents the activation of the intrinsic blood coagulation pathway, thus playing a protective role in maintaining blood fluidity .
  • Immune Response: APOH has been shown to have a protective effect in conditions like sepsis. In pediatric sepsis, for instance, APOH levels are significantly decreased in patients compared to healthy controls. The application of recombinant APOH protein has been found to lower mortality rates, mitigate organ injury, and suppress inflammation in experimental models .
Research and Applications

Research into APOH has highlighted its potential therapeutic value. For example, in sepsis treatment, APOH has been shown to inhibit M1 polarization in macrophages by suppressing the toll-like receptor 4 (TLR4)/nuclear factor-κB (NF-κB) signaling pathway . This suggests that APOH could be a valuable target for therapeutic interventions in inflammatory and immune-related conditions.

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