TNFA Bovine

Tumor Necrosis Factor-alpha Bovine Recombinant
Cat. No.
BT25984
Source

Escherichia Coli.

Synonyms

TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.

Appearance

Sterile filtered colorless solution.

Purity

Greater than 90.0% 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

TNFA Bovine produced in E.Coli is a single, non-glycosylated polypeptide chain containing 158 amino acids (78-234 a.a.) and having a molecular mass of 17.5kDa.

TNFA is purified by proprietary chromatographic techniques.

Product Specs

Introduction
Tumor necrosis factor (TNF) is a cytokine that plays a crucial role in the acute phase reaction and systemic inflammation. Primarily secreted by macrophages, TNF exerts pleiotropic effects on cells, including apoptotic cell death, proliferation, differentiation, inflammation, tumorigenesis, and viral replication. Moreover, TNF is implicated in lipid metabolism and coagulation. Dysregulation and excessive production of TNF are associated with various human diseases, including autoimmune disorders, insulin resistance, and cancer.
Description
Recombinant Bovine Tumor Necrosis Factor Alpha (TNFA), expressed in E. coli, is a single, non-glycosylated polypeptide chain comprising 158 amino acids (78-234 a.a.). This protein variant has a molecular weight of 17.5 kDa. TNFA undergoes purification using proprietary chromatographic methods to ensure high purity.
Physical Appearance
Sterile, colorless solution free from particulate matter.
Formulation
TNFA is supplied as a 1 mg/ml solution in phosphate-buffered saline (pH 7.4) containing 10% glycerol.
Stability
For short-term storage (up to 4 weeks), store the vial at 4°C. For extended storage, freeze the solution at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles to maintain protein integrity.
Purity
The purity is determined to be greater than 90.0% using SDS-PAGE analysis.
Biological Activity
The biological activity, measured by a cytotoxicity assay using L929 mouse fibrosarcoma cells in the presence of actinomycin D, is characterized by an ED50 value of less than 15 ng/ml.
Synonyms

TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.

Source

Escherichia Coli.

Amino Acid Sequence

MLRSSSQASS NKPVAHVVAD INSPGQLRWW DSYANALMAN GVKLEDNQLV VPADGLYLIY SQVLFRGQGC PSTPLFLTHT ISRIAVSYQT KVNILSAIKS PCHRETPEWA EAKPWYEPIY QGGVFQLEKG DRLSAEINLP DYLDYAESGQ VYFGIIAL. 

Product Science Overview

Introduction

Tumor Necrosis Factor-alpha (TNF-α) is a crucial cytokine involved in systemic inflammation and is part of the body’s immune response. It is a member of the TNF superfamily, which consists of various cytokines that can cause cell death (apoptosis). TNF-α is known for its role in inflammation, immune system development, apoptosis, and lipid metabolism .

Structure and Function

TNF-α is a pleiotropic molecule, meaning it has multiple effects on different types of cells. It is produced primarily by macrophages, a type of white blood cell that engulfs and digests cellular debris and pathogens. TNF-α can bind to two receptors: TNFR1 and TNFR2. The binding of TNF-α to these receptors can trigger various cellular responses, including cell death, survival, proliferation, and differentiation .

Recombinant Bovine TNF-α

Recombinant bovine TNF-α is a form of TNF-α that has been genetically engineered for use in research and therapeutic applications. This recombinant protein is produced by inserting the gene that encodes bovine TNF-α into a suitable expression system, such as bacteria or yeast, which then produces the protein in large quantities .

Applications in Research and Medicine

Recombinant bovine TNF-α is used extensively in research to study its effects on various cell types and its role in different diseases. For instance, it has been shown to play a significant role in inflammatory diseases in cattle, such as mastitis, which is an inflammation of the mammary gland . By understanding how TNF-α functions, researchers can develop new therapeutic strategies to treat these diseases.

In addition, recombinant bovine TNF-α has been used to study the effects of TNF-α on cell death and inflammatory cytokine kinetics. For example, studies have shown that TNF-α can induce cell death in certain cell types, and this effect can be modulated by using decoy receptors that bind to TNF-α and prevent it from interacting with its natural receptors .

Therapeutic Potential

The therapeutic potential of recombinant bovine TNF-α lies in its ability to modulate the immune response. By blocking the activity of TNF-α, it is possible to reduce inflammation and improve outcomes in diseases characterized by excessive inflammation. For example, decoy receptors for TNF-α have been developed and shown to be effective in reducing inflammation in vitro .

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