M CSF Rat

Macrophage-Colony Stimulating Factor Rat Recombinant
Cat. No.
BT1991
Source
Escherichia Coli.
Synonyms
Macrophage colony-stimulating factor 1, CSF-1, MCSF, Csf1, Csfm.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% 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

Macrophage Colony Stimulating Factor Rat Recombinant produced in E.coli is a non-glycosylated homodimer, containing 2 x 155 amino acids and having a total molecular mass of 36.2 kDa.
MCSF is purified by proprietary chromatographic techniques.

Product Specs

Introduction
Granulocyte/Macrophage Colony-Stimulating Factors (GM-CSFs) are cytokines that play a crucial role in hematopoiesis, the process of blood cell formation. They regulate the production, differentiation, and function of granulocytes and monocytes-macrophages, two types of white blood cells. Macrophage Colony-Stimulating Factor (MCSF) specifically stimulates the production and development of cells belonging to the monocyte/macrophage lineage. MCSF is involved in various physiological processes, including immune responses, bone metabolism, the removal of lipoproteins from the bloodstream, fertility, and pregnancy.
Description
Recombinant Rat Macrophage Colony Stimulating Factor, produced in E. coli, is a non-glycosylated homodimer composed of two identical polypeptide chains, each containing 155 amino acids. With a total molecular mass of 36.2 kDa, this protein is purified using proprietary chromatographic techniques to ensure its high quality and purity.
Physical Appearance
Sterile Filtered White lyophilized powder
Formulation
Lyophilized from a sterile filtered aqueous solution containing 10mM Na3PO4, pH 7.5.
Solubility
To reconstitute the lyophilized MCSF, it is recommended to dissolve it in sterile 18M-cm H2O at a concentration of at least 100 µg/ml. The resulting solution can be further diluted in other aqueous solutions as needed.
Stability
Lyophilized MCSF remains stable at room temperature for up to 3 weeks; however, it is recommended to store it desiccated below -18°C for extended periods. Once reconstituted, MCSF should be stored at 4°C for 2-7 days. For long-term storage, it is advisable to store it below -18°C after adding a carrier protein such as 0.1% HSA or BSA. Avoid repeated freeze-thaw cycles to maintain protein stability.
Purity
The purity of MCSF is determined by SDS-PAGE analysis and is greater than 95.0%.
Biological Activity
The biological activity of MCSF is determined by its ability to induce the proliferation of M-NFS-60 cells in a dose-dependent manner. The activity is measured as 1.65 ng/ml, which corresponds to an expected specific activity of 6.1 x 10^5 units/mg.
Synonyms
Macrophage colony-stimulating factor 1, CSF-1, MCSF, Csf1, Csfm.
Source
Escherichia Coli.
Amino Acid Sequence
MEVSEHCSHM IGNGHLQILQ QLIDSQMETA CLIEYKFVDQ EQLDDPVCYL KKAFVLVQVI IEETMRFKDN TPNANATERL QELSMKLNSC FIKDYKEQNE ACVQTYKESP LRLLEKIKNF  FNETKNFLEK DWNIFSKNCN DSLAKCSSRD VVTKP.

Product Science Overview

Introduction

Macrophage-Colony Stimulating Factor (M-CSF), also known as Colony Stimulating Factor 1 (CSF-1), is a cytokine that plays a crucial role in the regulation of macrophage production, differentiation, and survival. It is a glycoprotein that is essential for the proliferation and differentiation of hematopoietic stem cells into macrophages. The recombinant form of M-CSF, specifically derived from rats, is widely used in biological research due to its ability to mimic the natural cytokine’s effects.

Discovery and Significance

M-CSF was first identified as a factor that could stimulate the formation of colonies of macrophages from bone marrow progenitors in semisolid media . This discovery highlighted its importance in hematopoiesis and immune regulation. The natural mutations of the Csf-1 locus in mice and rats confirmed the non-redundant function of M-CSF in controlling macrophage numbers in tissues . These mutations also revealed several pleiotropic consequences of M-CSF deficiency, including severe growth retardation and low fertility .

Biological Functions

M-CSF is primarily involved in the regulation of macrophage homeostasis. It promotes the growth, differentiation, and survival of macrophages from bone marrow progenitors . Additionally, M-CSF plays a critical role in the formation, activation, and survival of osteoclasts, which are essential for bone resorption . The absence of M-CSF signaling can lead to a reduction in tissue macrophages and osteoclasts, resulting in conditions such as osteopetrosis .

Recombinant M-CSF

Recombinant M-CSF (rM-CSF) is produced using genetic engineering techniques to express the M-CSF gene in various host cells, such as bacteria or yeast. This recombinant form is used extensively in research to study the effects of M-CSF on macrophage differentiation and function. rM-CSF is also utilized in bone marrow stimulations, vaccine development, gene therapy approaches, and stem cell mobilization .

Applications in Research and Medicine

The use of rM-CSF has expanded our understanding of macrophage biology and its role in various physiological and pathological processes. It has been instrumental in studying the mechanisms of macrophage differentiation, the regulation of immune responses, and the development of therapies for diseases involving macrophage dysfunction. For example, rM-CSF has been used to investigate the role of macrophages in cancer, autoimmune diseases, and infectious diseases .

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