REG1B Human

Regenerating Islet-Derived 1 Beta Human Recombinant
Cat. No.
BT11819
Source
Escherichia Coli.
Synonyms
Lithostathine-1-beta, Regenerating protein I beta, REG1B, REGL.
Appearance
Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95% as determined by SDS-PAGE.
Usage
Prospec'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

The Recombinant Human REG 1 beta manufactured with N-terminal fusion of His Tag. The Human REG 1 beta His-Tagged Fusion Protein, produced in E. coli, is 17.8 kDa protein containing 144 amino acid residues of the Human REG 1 beta and 12 additional amino acid residues – His Tag (underlined).

Product Specs

Introduction
Reg protein, initially discovered for its role in pancreatic islet regeneration, has a family of related proteins found in humans and animals. Humans possess four REG family genes: REG 1 alpha, REG 1 beta, REG-related sequence (RS), and HIP/PAP. These proteins, classified into four subfamilies based on amino acid sequence, share structural and functional similarities. Reg protein acts as a growth factor for pancreatic beta cells, suggesting its potential as a therapeutic agent for diabetes. Human REG cDNA encodes a 166-amino acid protein, including a 22-amino acid signal peptide, and exhibits 68% homology to rat Reg protein.
Description
This product is a Recombinant Human REG 1 beta protein with an N-terminal His Tag. Produced in E. coli, the Human REG 1 beta His-Tagged Fusion Protein is 17.8 kDa and consists of 144 amino acid residues of the Human REG 1 beta and an additional 12 amino acid residues from the His Tag (underlined).
Physical Appearance
White lyophilized powder, filtered for purity.
Formulation
The protein was filtered through a 0.4 μm filter and lyophilized from a 0.5 mg/ml solution in 20mM Tris buffer at pH 8.0.
Solubility
To create a working solution, add deionized water to achieve a concentration of approximately 0.5 mg/ml. Allow the lyophilized pellet to fully dissolve. Note: This product is not sterile. Filter the solution through a sterile filter before use in cell culture.
Stability
Store the lyophilized protein at -20°C. After reconstitution, aliquot the product to minimize freeze-thaw cycles. Reconstituted protein remains stable at 4°C for a limited time, showing no change for up to two weeks.
Purity
Purity is greater than 95% as determined by SDS-PAGE analysis.
Synonyms
Lithostathine-1-beta, Regenerating protein I beta, REG1B, REGL.
Source
Escherichia Coli.
Amino Acid Sequence
MKHHHHHHAS HMQESQTELP NPRISCPEGT NAYRSYCYYF NEDPETWVDA DLYCQNMNSG NLVSVLTQAE GAFVASLIKE SSTDDSNVWI GLHDPKKNRR WHWSSGSLVS YKSWDTGSPS SANAGYCASL TSCSGFKKWK DESCEKKFSF VCKFKN.

Product Science Overview

Discovery and Structure

The Reg gene family was first identified in the context of pancreatic islet regeneration. The human Reg1β protein is encoded by the REG1B gene and consists of 166 amino acids, including a 22-amino acid signal peptide . The amino acid sequence of human Reg1β shares significant homology with its rat counterpart, indicating a conserved function across species .

Biological Functions

Reg1β has been shown to stimulate the replication and growth of pancreatic β-cells, which are crucial for insulin production . This property makes Reg1β a promising candidate for diabetes treatment, as it can potentially enhance β-cell mass and improve insulin secretion. Additionally, Reg1β exhibits anti-apoptotic effects, protecting β-cells from programmed cell death .

Therapeutic Potential

The therapeutic potential of Reg1β has been demonstrated in various experimental models. Recombinant human Reg1β protein has been shown to induce β-cell proliferation and ameliorate diabetes in non-obese diabetic (NOD) mice . These findings suggest that Reg1β could be used as a growth factor for β-cells, offering a novel approach to diabetes therapy.

Challenges and Future Directions

Despite the promising results, several challenges remain in the field of Reg protein research. The regulation of Reg1β expression and its exact functional roles are not fully understood . Additionally, the identification of specific receptors and signaling pathways involved in Reg1β-mediated effects is still an area of active investigation . Addressing these challenges will be crucial for the development of Reg1β-based therapies.

In conclusion, Regenerating Islet-Derived 1 Beta (Human Recombinant) represents a significant advancement in the field of regenerative medicine and diabetes treatment. Continued research into its mechanisms of action and therapeutic applications holds great promise for improving the lives of individuals with diabetes and other related conditions.

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