HFE Human

Hemochromatosis Human Recombinant
Cat. No.
BT14932
Source
Escherichia Coli.
Synonyms
Hereditary hemochromatosis protein, HLA-H, HFE, HLAH, HH, HFE1, MVCD7, TFQTL2.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 85.0% 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

HFE Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 308 amino acids (23-306 a.a) and having a molecular mass of 35.7kDa.
HFE is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Hemochromatosis (HFE) is a member of the MHC class I family. It contains an Ig-like C1-type domain, indicating its similarity to immunoglobulin-like proteins. As a membrane protein resembling MHC class I-type proteins, HFE interacts with beta-2 microglobulin (beta2M). Its function involves regulating iron absorption by modulating the interaction between the transferrin receptor (TFR) and transferrin. By binding to TFR, HFE reduces its affinity for iron-loaded transferrin.
Description
Recombinant human HFE, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 308 amino acids (residues 23-306). It has a molecular weight of 35.7 kDa. The protein includes a 24 amino acid His-tag at the N-terminus and undergoes purification using proprietary chromatographic methods.
Physical Appearance
The product is a sterile, colorless solution.
Formulation
The HFE protein solution is provided at a concentration of 1 mg/ml in a buffer containing 20 mM Tris-HCl (pH 8.0), 0.4 M Urea, and 10% glycerol.
Stability
For short-term storage (2-4 weeks), the product can be stored at 4°C. For extended storage, it is recommended to store the product frozen at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Repeated freezing and thawing should be avoided.
Purity
The purity of the HFE protein is greater than 85%, as determined by SDS-PAGE analysis.
Synonyms
Hereditary hemochromatosis protein, HLA-H, HFE, HLAH, HH, HFE1, MVCD7, TFQTL2.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMRLLRSH SLHYLFMGAS EQDLGLSLFE ALGYVDDQLF VFYDHESRRV EPRTPWVSSR ISSQMWLQLS QSLKGWDHMF TVDFWTIMEN HNHSKESHTL QVILGCEMQE DNSTEGYWKY GYDGQDHLEF CPDTLDWRAA EPRAWPTKLE WERHKIRARQ NRAYLERDCP AQLQQLLELG RGVLDQQVPP LVKVTHHVTS SVTTLRCRAL NYYPQNITMK WLKDKQPMDA KEFEPKDVLP NGDGTYQGWI TLAVPPGEEQ RYTCQVEHPG LDQPLIVIWE PSPSGTLV.

Product Science Overview

Genetic Basis

Hemochromatosis is primarily caused by mutations in the HFE gene, which regulates iron absorption. The most common mutation associated with this disorder is C282Y. Individuals who inherit two copies of this mutated gene (one from each parent) are at a higher risk of developing hemochromatosis . However, not everyone with the genetic mutation will develop symptoms, indicating that other genetic or environmental factors may also play a role .

Types of Hemochromatosis

There are five types of hereditary hemochromatosis, each caused by different genetic mutations:

  1. Type 1: The most common form, related to the HFE gene.
  2. Type 2 (Juvenile Hemochromatosis): Caused by mutations in the HJV or HAMP genes.
  3. Type 3: Linked to mutations in the TFR2 gene.
  4. Type 4 (Ferroportin Disease): Caused by mutations in the SLC40A1 gene.
  5. Type 5: A rare form associated with mutations in the FTH1 gene .
Symptoms and Diagnosis

Symptoms of hemochromatosis typically appear between the ages of 30 and 60 and can include fatigue, joint pain, abdominal pain, and skin discoloration. If left untreated, it can lead to severe complications such as liver cirrhosis, diabetes, and heart disease . Diagnosis is usually made through blood tests that measure iron levels, genetic testing, and liver biopsy .

Treatment

While there is no cure for hemochromatosis, treatments are available to manage iron levels and prevent organ damage. The primary treatment is phlebotomy, a procedure to remove blood from the body, thereby reducing iron levels. In cases where phlebotomy is not feasible, chelation therapy may be used to bind excess iron and facilitate its excretion .

Human Recombinant Hemochromatosis

Human recombinant technology involves the use of genetically engineered cells to produce proteins or other substances that mimic natural human products. In the context of hemochromatosis, human recombinant proteins may be used in research to better understand the disease mechanisms and develop targeted therapies. These recombinant proteins can help in studying the interactions between iron-regulating genes and proteins, potentially leading to new treatment approaches.

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