C3 Rabbit

Complement C3 Rabbit
Cat. No.
BT15527
Source

Rabbit Plasma.

Synonyms

Complement C3, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1, C3, CPAMD1.

Appearance

Sterile filtered solution.

Purity

Greater than 85% 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

Rabbit Complement C3 produced in Rabbit plasma having a molecular mass of 185 kDa.

Product Specs

Introduction

Complement component 3 (C3) is essential for the activation of all three complement pathways: classical, lectin, and alternative. The activation process involves the formation of protease complexes that bind to target surfaces. These complexes cleave C3, generating the anaphylatoxin C3a and the activated fragment C3b. A significant portion of activated C3 doesn't bind to the target surface due to a rapid reaction of its thioester group with water, resulting in fluid-phase C3b. This fluid-phase C3b is swiftly deactivated by factors H and I, leading to the formation of iC3b. Surface-bound C3b is crucial in all three pathways for the effective activation of C5 and the subsequent assembly of C5b-9 complexes, which ultimately lyse the target cell membrane.

Description

This product consists of Rabbit Complement C3, produced from Rabbit plasma, with a molecular weight of 185 kDa.

Physical Appearance

This product is provided as a sterile, filtered solution.

Formulation

The C3 solution is formulated in a buffer containing 145 mM sodium chloride (NaCl) and 10 mM sodium phosphate, with a pH of 7.2.

Stability

Rabbit C3 remains stable for 2-4 weeks when stored at 4°C, provided the entire vial is used within this period. For extended storage, freeze the product below -20°C. It is advisable to add a carrier protein (0.1% HSA or BSA) for long-term storage. To maintain product integrity, avoid repeated freezing and thawing.

Purity

The purity of this product is greater than 85%, as determined by SDS-PAGE analysis.

Synonyms

Complement C3, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1, C3, CPAMD1.

Source

Rabbit Plasma.

Product Science Overview

Structure and Function

Complement C3 is encoded by the C3 gene and is composed of an α-subunit and a β-subunit linked by disulfide bonds . The protein undergoes cleavage by C3 convertase to produce two fragments: C3a and C3b.

  • C3a acts as an anaphylatoxin, mediating local inflammatory responses.
  • C3b plays multiple roles, including opsonization, which marks pathogens for destruction by phagocytes, and the formation of the membrane attack complex (MAC) that can directly lyse pathogens .
Activation Pathways

Complement C3 is central to both the classical and alternative pathways of complement activation .

  1. Classical Pathway: Triggered by antigen-antibody complexes.
  2. Alternative Pathway: Activated on microbial surfaces in the absence of antibodies.

Both pathways converge at the activation of C3, leading to the generation of C3a and C3b, which further propagate the immune response .

Role in Research

In research, Complement C3 Rabbit antibodies are used to study the expression and function of C3 in various biological contexts. These antibodies are valuable tools for techniques such as Western blotting, immunoprecipitation, and immunohistochemistry . They help in understanding the role of C3 in immune responses and its involvement in various diseases.

Clinical Significance

Dysregulation of C3 and the complement system can lead to various diseases, including autoimmune diseases, infections, and inflammatory conditions. Understanding the function and regulation of C3 is crucial for developing therapeutic strategies for these conditions .

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