FDCSP Human

Follicular Dendritic Cell Secreted Protein Human Recombinant
Cat. No.
BT9040
Source
Escherichia Coli.
Synonyms
Follicular dendritic cell secreted peptide, FDC secreted protein, FDC-SP, FDCSP, C4orf7.
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

FDCSP Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 91 amino acids (18-85 a.a) and having a molecular mass of 10.4kDa.
FDCSP is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Follicular Dendritic Cell Secreted Protein (FDCSP), a small secreted protein found in follicular dendritic cells, selectively binds to activated B cells, regulating antibody responses. It is believed to contribute to tumor metastases by promoting cancer cell migration and invasion. Consistent with its function as a secreted mediator acting upon B-cells, FDCSP binds to the surface of B-lymphoma cells but not T-lymphoma cells. Notably expressed in the tonsil, lymph node, and tracheam, FDCSP also exhibits strong expression in the prostate and lower expression in the thyroid, stomach, and colon.
Description
Recombinant Human FDCSP, produced in E. coli, is a single, non-glycosylated polypeptide chain comprising 91 amino acids (18-85 a.a). With a molecular mass of 10.4 kDa, FDCSP is fused to a 23 amino acid His-tag at the N-terminus and purified using proprietary chromatographic techniques.
Physical Appearance
Sterile, colorless solution.
Formulation
The FDCSP protein solution (0.25 mg/ml) contains 20 mM Tris-HCl buffer (pH 7.5), 0.15 M NaCl, 50% glycerol, and 1 mM DTT.
Stability
For short-term storage (2-4 weeks), store at 4°C. For extended periods, store frozen at -20°C. Adding a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
Purity exceeds 90.0%, as determined by SDS-PAGE analysis.
Synonyms
Follicular dendritic cell secreted peptide, FDC secreted protein, FDC-SP, FDCSP, C4orf7.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSFPVSQDQ EREKRSISDS DELASGFFVF PYPYPFRPLP PIPFPRFPWF RRNFPIPIPE SAPTTPLPSE K.

Product Science Overview

Introduction

Follicular Dendritic Cell Secreted Protein (FDCSP) is a small, secreted protein primarily expressed in follicular dendritic cells. These cells are crucial components of the immune system, particularly within the lymphoid tissues. FDCSP plays a significant role in regulating antibody responses and has been implicated in cancer cell migration and invasion.

Gene and Protein Structure

The FDCSP gene, also known as C4orf7, is located on chromosome 4. The protein encoded by this gene consists of 91 amino acids and has a molecular mass of approximately 10.4 kDa . The human recombinant form of FDCSP is produced in E. coli and is fused to a 23 amino acid His-tag at the N-terminus, which aids in its purification through chromatographic techniques .

Function and Mechanism

FDCSP specifically binds to activated B cells, which are essential for the adaptive immune response. By interacting with these cells, FDCSP helps regulate the generation of antibodies . This regulatory function is vital for maintaining a balanced immune response and preventing overactivation, which could lead to autoimmune disorders.

In addition to its role in the immune system, FDCSP has been found to contribute to tumor metastases. It promotes cancer cell migration and invasion, facilitating the spread of cancer cells to other parts of the body . This dual role in both immune regulation and cancer progression makes FDCSP a protein of significant interest in medical research.

Clinical Implications

Given its involvement in both immune responses and cancer metastasis, FDCSP is being studied as a potential diagnostic and prognostic biomarker. Its expression levels could provide valuable insights into the state of the immune system and the progression of certain cancers . Furthermore, targeting FDCSP could offer new therapeutic strategies for treating autoimmune diseases and preventing cancer metastasis.

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