Recombinant Human Melanoma-Associated Antigen 1 (MAGEA1) Protein (His)

Name: Recombinant Human Melanoma-Associated Antigen 1 (MAGEA1) Protein (His)
Brand: Beta LifeScience
SKU: BLC-04676P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Based on the SEQUEST from database of Yeast host and target protein, the LC-MS/MS Analysis result of this product could indicate that this peptide derived from Yeast-expressed Homo sapiens (Human) MAGEA1.

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Product Overview

Description	Recombinant Human Melanoma-Associated Antigen 1 (MAGEA1) Protein (His) is produced by our Yeast expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P43355
Target Symbol	MAGEA1
Synonyms	Antigen MZ2 E; Antigen MZ2-E; Cancer/testis antigen 1.1; cancer/testis antigen family 1, member 1; CT1.1; MAGA1_HUMAN; MAGE 1 antigen; MAGE-1 antigen; MAGE1; MAGE1A; MAGEA1; Melanoma antigen 1; Melanoma antigen family A 1 (directs expression of antigen MZ2 E); Melanoma antigen family A 1; Melanoma antigen MAGE 1; Melanoma associated antigen 1; Melanoma associated antigen MZ2 E; Melanoma-associated antigen 1; MGC9326
Species	Homo sapiens (Human)
Expression System	Yeast
Tag	N-6His
Target Protein Sequence	MSLEQRSLHCKPEEALEAQQEALGLVCVQAATSSSSPLVLGTLEEVPTAGSTDPPQSPQGASAFPTTINFTRQRQPSEGSSSREEEGPSTSCILESLFRAVITKKVADLVGFLLLKYRAREPVTKAEMLESVIKNYKHCFPEIFGKASESLQLVFGIDVKEADPTGHSYVLVTCLGLSYDGLLGDNQIMPKTGFLIIVLVMIAMEGGHAPEEEIWEELSVMEVYDGREHSAYGEPRKLLTQDLVQEKYLEYRQVPDSDPARYEFLWGPRALAETSYVKVLEYVIKVSARVRFFFPSLREAALREEEEGV
Expression Range	1-309aa
Protein Length	Full Length
Mol. Weight	36.3kDa
Research Area	Cancer
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	May be involved in transcriptional regulation through interaction with SNW1 and recruiting histone deactelyase HDAC1. May inhibit notch intracellular domain (NICD) transactivation. May play a role in embryonal development and tumor transformation or aspects of tumor progression. Antigen recognized on a melanoma by autologous cytolytic T-lymphocytes.
Subcellular Location	Cytoplasm. Nucleus.
Database References	HGNC: 6796 OMIM: 300016 KEGG: hsa:4100 STRING: 9606.ENSP00000349085 UniGene: PMID: 29430849 MAGE-A expression in blood or bone marrow at tumor surgery is an independent predictor of survival in resected non-small cell lung cancer PMID: 27542766 Authors revealed a novel interaction between MAGEA1 and the intracellular segment of NOTCH1 receptor (NICD1). MAGEA1 reduced NICD1's stability by promoting the ubiquitin modification of NICD1. PMID: 28459460 In patients with Colon cancer, the expression of MAGE-A(1-6) gene was associated with a poor prognosis. PMID: 28631709 MAGEA1 was expression in 15% of synovial sarcomas and was not associated with prognosis. PMID: 27993576 Data show that overall survival (OS) was significantly lower for patients expressing pan-MAGE or MAGE-A1/A3/A4 in both independent cohorts. PMID: 28146422 These data demonstrate that MAGE-A1-, MAGE-A3-, and NY-ESO-1-specific T cells with antigen-specific cytotoxicity can be cultured from healthy donors and patient-derived cells making adoptive immunotherapy with these cytotoxic T lymphocyte feasible. PMID: 28677424 up-regulation of MAGE-A1 dramatically promoted proliferation, migration, and invasion of human melanoma cell lines in vitro PMID: 27045082 The overall survival of laryngeal squamous cell carcinoma patients with positive MAGE-A1, MAGE-A9, or MAGE-A11 expression was lower than the patients without MAGE-A1, MAGE-A9, or MAGE-A11 expression. PMID: 26766421 MAGE-A is more highly expressed than NY-ESO-1 in a majority of human malignancies PMID: 27070449 TRIM31 directly binds to NSE4, suggesting the existence of a TRIM31-MAGEA1-NSE4 complex reminiscent of the NSE1-NSE3-NSE4 trimer. PMID: 25590999 Differential regulation of MAGE-A1 promoter activity by BORIS and Sp1, both interacting with the TATA binding protein. PMID: 25363021 DNA methylation has a dominant role in the epigenetic hierarchy governing MAGEA1 expression PMID: 23472218 results show the absence and/or low expression of MAGE A1 transcripts in oral squamous cell carcinoma; presence of hypomethylation at a small level at the promoter site of MAGE A1 was detected in both oral squamous cell carcinoma and normal oral mucosa PMID: 22447174 Report MAGEA1-A6 expression in sputum suggests presence of lung cancer cells or precancerous cells. PMID: 22134685 High MAGE-1 is associated with differentiated advanced gastric cancer. PMID: 21042944 MAGE1 expression mediated by demethylation of MAGE1 promoter induce progression of non-small cell lung cancer. PMID: 21273595 CCL3 and CCL20-recruited dendritic cells modified by melanoma antigen gene-1 have a role in anti-tumor immunity against gastric cancer PMID: 20420712 Tumor-specific antigen MAGE may play a role in the occurrence and development of ovarian cancerc and can be used as one of the important indicators for early diagnosis, efficacy evaluation and prognostic determination of ovarian cancer. PMID: 20423514 MAGE-A peptides and HLA class I molecules are expressed in hepatocellular carcinoma PMID: 20592351 The high expression rates of MAGE-1 and MAGE-3 genes in IHCC suggests the MAGE-1 and MAGE-3 gene may be a target for immunotherapy in IHCC patients. PMID: 18505125 Since 37% of patients with operable NSCLC harbored disseminated tumor cells that expressed MAGE-A, only these patients might benefit from adjuvant immunotherapies directed against MAGE-A1 to -A6. PMID: 19467731 The MAGE-A1 gene expression is not determined solely by methylation status of the promoter region in hematological malignancies. PMID: 12443884 Spontaneous in vivo priming of MAGE-specific T cell response and high frequency of MAGE1 and MAGE3 expression in hepatocellular carcinoma makes this antigen potential candidate for MAGE-specific immunotherapy in hepatocellular carcinoma. PMID: 14672620 MAGE-A1 can function as a potent transcriptional repressor via interactions with Ski Interacting Protein and the deacetylase HDAC1. PMID: 15316101 a novel sequence-specific DNA-protein interaction at the -30 CpG dinucleotide upstream of the gene was found having a vital part to play in the DNA methylation mediated transcription silencing of the MAGE-A1 gene PMID: 15353125 Present, by immunocytochemistry, in normal prostate, prostatic hypertrophy and prostate cancer. PMID: 16114059 down-regulation of DNMT1 methyltransferase leads to activation and stable hypomethylation of MAGE-A1 in melanoma cells PMID: 16497664 Detection of aberrant methylation patterns of MAGEs CpG islands using Methylation-special PCR may be useful for diagnosis of Hepatocellular Carcinoma. PMID: 16516880 The promoter hypomethylation of MAGE-A1 and MAGE-A3 genes up-regulates its expression in colorectal carcinomas as well as in gastric cancers and might play a significant role in the development and progression of human colorectal carcinomas. PMID: 17007017 MAGE-A1 and NY-ESO-1 are associated with highly proliferating germ cells, whereas GAGE proteins have a more general function in germ cells unrelated to any specific developmental stage PMID: 17208940 Results suggest that although MAGE-A1 does not participate directly in the drug-resistant phenotype, the expression of MAGE-A1 could be a marker for the prediction of resistance to taxan-based chemotherapies in patients with gastric cancers. PMID: 17611652 These data show, for the first time, the involvement of methyl-CpG binding domain proteins in the regulation of the MAGE-A genes. PMID: 17634428 Report genetic alterations of MAGE A1 in Korean colorectal cancer patients. PMID: 17704924 demethylation of MAGE-A1 by Mouse embryonic stem cells PMID: 18094622 Multiple simultaneous detection of MAGE-A [subtypes] more specific and sensitive than detection of single MAGE-A antigen for the diagnostic and prognostic evaluation of oral squamous cell carcinoma PMID: 18197853 The protective effect of the expression of the MAGE-A1 gene against tumoral progression of neuroblastoma is confirmed. PMID: 18820946 Treatment of A2780/cp70 with decitabine and belinostat results in a marked increase in expression of epigenetically silenced MLH1 and MAGE-A1 both in vitro and in vivo when compared with decitabine alone. PMID: 19259094

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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Recombinant Human Melanoma-Associated Antigen 1 (MAGEA1) Protein (His)

Recombinant Human Melanoma-Associated Antigen 1 (MAGEA1) Protein (His)

Product Overview

Target Details

FAQs