Recombinant Proteins

p53
LBP
CEA
HLA
TCL
TTC
NPM
MAF
Bax
BID

MAGEA3 Human

Melanoma Antigen Family A, 3 Human Recombinant

MAGEA3, a single, non-glycosylated polypeptide chain produced in E. coli, has 337 amino acids (1-314 a.a.) and a molecular weight of 37.1 kDa. A 23-amino acid His-tag is fused to the N-terminus of MAGEA3, which is then purified using proprietary chromatographic methods.
Shipped with Ice Packs
Cat. No.
BT6143
Source
Escherichia Coli.
Appearance
A clear, sterile solution.

MAGEB10 Human

Melanoma Antigen Family B,10 Human Recombinant

Recombinant human MAGEB10, produced in E. coli, is a single, non-glycosylated polypeptide chain comprising 370 amino acids (residues 1-347) with a molecular weight of 41.4 kDa. It includes a 23-amino acid His-tag fused at the N-terminus and is purified using proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT6534
Source
Escherichia Coli.
Appearance
A clear solution, sterilized by filtration.

MAGED1 Human

Melanoma Antigen Family D, 1 Human Recombinant

Recombinant human MAGED1, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 280 amino acids (residues 504-760). With a molecular weight of 31.7 kDa, this protein comprises amino acids 504 to 760 of the MAGED1 sequence. A 23-amino acid His-tag is fused to the N-terminus of the protein. Purification is achieved using proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT6628
Source
E.coli.
Appearance
The product appears as a clear, colorless solution that has been sterilized by filtration.

MAGEA6 Human

Melanoma Antigen Family A, 6 Human Recombinant

Recombinant MAGEA6, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 322 amino acids (1-314 a.a.) with a molecular mass of 35.9 kDa. It includes an 8 amino acid His-tag at the C-terminus and is purified using proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT6384
Source
E.coli.
Appearance
A clear, colorless solution that has been sterilized by filtration.

MAGEA8 Human

Melanoma Antigen Family A, 8 Human Recombinant

Recombinant human MAGEA8, expressed in E. coli, is a single, non-glycosylated polypeptide chain consisting of 341 amino acids (residues 1-318) with a molecular weight of 37.6 kDa. The protein includes a 23 amino acid His-tag fused at the N-terminus and is purified using proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT6450
Source
Escherichia Coli.
Appearance
A clear solution, sterilized by filtration.

MAGEA4 Human

Melanoma Antigen Family A, 4 Human Recombinant

Recombinant Human MAGEA4, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 337 amino acids (1-317 a.a.). With a molecular weight of 37 kDa, this protein includes a 20 amino acid His-Tag fused at the N-terminus. Purification is achieved through proprietary chromatographic methods.
Shipped with Ice Packs
Cat. No.
BT6215
Source
Escherichia Coli.
Appearance
A clear, colorless solution that has been sterilized by filtration.

MAGEA5 Human

Melanoma Antigen Family A, 5 Human Recombinant

Recombinant MAGEA5, produced in E. coli, is a single polypeptide chain comprising 148 amino acids (residues 1-124) with a molecular weight of 15.6 kDa. The protein includes a 24 amino acid His-tag fused at the N-terminus to facilitate purification using proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT6319
Source
E.coli.
Appearance
The product is a clear and colorless solution that has been sterilized by filtration.
Definition and Classification

The Melanoma Antigen Family A (MAGE-A) is a subgroup of the larger Melanoma Antigen Gene (MAGE) family, which belongs to the cancer/testis (CT) antigen group. These antigens are characterized by their restricted expression in immune-privileged tissues such as the testis and various cancers . MAGE-A proteins are presented on the cell surface by MHC class I molecules, making them potential targets for cancer immunotherapy .

Biological Properties

Key Biological Properties: MAGE-A proteins share a conserved MAGE homology domain (MHD), which is highly conserved within the subfamily .

Expression Patterns: MAGE-A proteins exhibit restricted expression in reproductive tissues but are abnormally expressed in various human malignancies .

Tissue Distribution: These proteins are primarily found in germline cells and a wide range of cancers, including bladder cancer, where they are associated with increased cancer cell proliferation, survival, and resistance to therapies .

Biological Functions

Primary Biological Functions: MAGE-A proteins play a crucial role in tumorigenesis and cancer cell survival . They are involved in driving cancer progression, metastasis, and therapeutic recurrence .

Role in Immune Responses: MAGE-A proteins are recognized by cytotoxic T lymphocytes, which induce a robust immune response against developing cancer cells .

Pathogen Recognition: While primarily involved in cancer, MAGE-A proteins also contribute to immune responses by presenting unique cancer epitopes on the cell surface .

Modes of Action

Mechanisms with Other Molecules and Cells: MAGE-A proteins interact with various molecules and cells through their presentation on MHC class I molecules .

Binding Partners: They bind to cytotoxic T lymphocytes, facilitating the immune response against cancer cells .

Downstream Signaling Cascades: The interaction of MAGE-A proteins with immune cells triggers downstream signaling cascades that lead to the destruction of cancer cells .

Regulatory Mechanisms

Transcriptional Regulation: The expression of MAGE-A genes is regulated by epigenetic mechanisms such as DNA methylation and histone modification .

Post-Translational Modifications: MAGE-A proteins undergo various post-translational modifications that influence their activity and stability .

Applications

Biomedical Research: MAGE-A proteins are extensively studied as biomarkers for cancer diagnosis and prognosis .

Diagnostic Tools: Their restricted expression in cancers makes them ideal targets for developing diagnostic assays .

Therapeutic Strategies: MAGE-A proteins are targeted in cancer immunotherapy, including cancer vaccines and adoptive T-cell transfer therapies .

Role in the Life Cycle

Development: MAGE-A proteins are involved in germ cell development and are expressed during spermatogenesis and embryonic development .

Aging and Disease: Their expression is typically silenced in normal adult tissues but reactivated in various cancers, contributing to cancer progression and resistance to therapies .

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