what is peptide sequence of peptide 1 of mage 1 peptides - peptide-nasal-sprays MAGE-1 (161-169 Unraveling the MAGE-1 Peptide Sequence: A Deep Dive into Tumor Antigenic Peptides

peptide-medicine-beverly-hills The intricate world of cancer immunology often hinges on understanding how the immune system recognizes and targets malignant cells. A key player in this recognition process is the Major Histocompatibility Complex (MHC) class I pathway, which presents peptide fragments derived from intracellular proteins on the cell surfacePresentation of Synthetic Peptide Antigen Encoded by the .... Among these, MAGE proteins, particularly MAGE-1, have garnered significant attention as tumor-specific antigens. This article delves into the peptide sequence of peptide 1 of MAGE-1, exploring its significance, identification methods, and implications in cancer research and therapy.

The MAGE Family: A Focus on MAGE-1

The MAGE gene family encodes proteins that are typically expressed in germ cells and are aberrantly expressed in various human cancers, making them attractive targets for cancer immunotherapy. MAGE-1, also known as MAGE-A1, is one of the earliest identified members of this family and has been extensively studied for its role in melanoma and other malignancies.MAGE-1 (102-112) - Peptides The MAGE proteins are characterized by highly conserved MAGE homology domains (MHDs). Understanding the specific peptide sequences derived from these proteins is crucial for developing effective immunotherapeutic strategies作者：S Ottaviani·2005·被引用次数：62—These results indicate that the MAGE-1. A2 peptide can be used for antitumoral vaccination..

Identifying MAGE-1 Peptide Sequences

The identification and characterization of peptide sequences from MAGE-1 involve sophisticated techniques in molecular biology and immunology.MAGE-1Antigen (161-169), human [144449-86-5]. SHIP COLD. Catalog Number: P002026.Sequence: Glu-Ala-Asp-Pro-Thr-Gly-His-Ser-Tyr. Synonym:MAGE-1Antigen (161- ... Researchers utilize methods such as mass spectrometry and T-cell activation assays to pinpoint the specific antigenic peptides presented by MHC molecules.Presentation of Synthetic Peptide Antigen Encoded by the ... For instance, studies have identified MAGE-1 peptide fragments that are recognized by cytotoxic T lymphocytes (CTLs).

One notable MAGE-1 antigenic peptide has been identified as a nonameric sequence corresponding to positions 102-112 of the MAGE-1 protein.Partial amino acidsequencesof theMAGE-1-,MAGE-2-,MAGE-3-,MAGE-4a-,MAGE-4b-,MAGE-6-, andMAGE-12-encoded antigens. The homologoussequencesthat bind ... The sequence of this peptide is ITKKVADLVGFDirect selection of a human antibody fragment .... This specific peptide has been shown to be presented by HLA-A1 molecules and can elicit a T-cell response. Another significant MAGE-1 peptide is found within the region 161-169 of the MAGE-1 protein. The peptide sequence for this fragment is Glu-Ala-Asp-Pro-Thr-Gly-His-Ser-Tyr, which can also be represented by its one-letter code as EADPTGHSY. This peptide has also been investigated for its immunogenic potentialMAGE-A1-derived peptide acetate.

Furthermore, research has explored other MAGE-1 derived peptides, such as the MAGE-1 (102-112) peptide with the sequence SESIKKKVL, which is processed and presented in various ways. The MAGE-1 peptide identified at positions 161-169 has a molecular formula of C41H57N11O17 and a molecular weight of approximately 975.Identification of the MAGE-1 gene product by monoclonal ...97 Da. The MAGE-1 Antigen (161-169), human is available with the sequence H-Glu-Ala-Asp-Pro-Thr-Gly-His-Ser-Tyr-OH as a trifluoroacetate salt.

Variations and Related Antigens

The MAGE family is diverse, with several members like MAGE-A1, MAGE-C1, and MAGE-C2 encoding various antigenic peptides. For example, MAGE-A1 has been associated with the peptide sequence: H-FLLLKYRAREPVTKAE-OH. This particular peptide is a 16-amino acid sequence.Description. TheMAGE-A4Peptide(286-294, KVLEHVVRV) is apeptidecorresponding toMAGE-A4 (Melanoma-associated antigen 4), amino acids 286-294. Another example includes a MAGE-A1 (278-286) peptide with the sequence: KVLEYVIKV.作者：YT Chen·1994·被引用次数：99—The humanMAGE-1gene encodes a melanomapeptideantigen recognized by autologous cytotoxic T lymphocytes. To produce antibodies against theMAGE-1gene product ... This MAGE-A1 (278-286) peptide has a molecular weight of 1090.36 g/mol and a molecular formula of C53H91N11O13.

Beyond MAGE-1, research has also identified antigenic peptides from other MAGE family members. For instance, MAGE-A4 has been linked to Peptide MAGE-A4 (286-294) with the sequence KVLEHVVRVThesequenceofthispeptide(PKK-. TGGPIYKRVD) shows no obvious similarity with the MZ2-Epeptide, except possibly for the Gly and Tyr residues at posi-.. This MAGE-A4 Peptide (286-294) is a 9-amino acid peptide with a molecular weight of 1078.A new tumor-specific antigenic peptide encoded by MAGE-6 is ...33. The MAGE-A4/MAGE-A8 Peptide also shares the sequence: {Lys}{Val}{Leu}{Glu}{His}{Val}{Val}{Arg}{Val}, which is a variation of the KVLEHVVRV sequence.

The concept of MAGE-A1-derived peptide acetate refers to short peptide sequences derived from the MAGE-A1 protein, highlighting its role as a tumor-specific antigen.MAGE-A4/MAGE-A8 Peptide (KVLEHVVRV) The identification of these various peptide sequences is crucial for understanding the breadth of the immune response against MAGE-expressing tumors.

Applications in Cancer Immunotherapy

The precise identification of MAGE-1 peptide sequences has paved the way for novel cancer immunotherapies. These peptides can be used directly as vaccines to stimulate an immune response against cancer cells. For example, a MAGE-1-derived peptide was found to be useful for antitumoral vaccination.a-nonapeptide-encoded-by-human-gene-mage-1-is- ... Furthermore, the understanding of peptide presentation by MHC molecules, such as HLA-A24 or HLA-DR15, allows for the design of tailored immunotherapies.

The development of PepTivator MAGE-A1, human is another example of leveraging these peptide sequences.作者：S Ottaviani·2005·被引用次数：62—These results indicate that the MAGE-1. A2 peptide can be used for antitumoral vaccination. This product is a pool of lyophilized peptides, primarily 15-mer sequences with 11 amino acids overlapping, covering the complete sequence of the MAGE-A1 protein. These 15-mer sequences are designed to effectively stimulate T-cell responsesA MAGE-1 peptide recognized on HLA-DR15 by CD4 + T ....

In conclusion, the study of what is peptide sequence of peptide 1 of MAGE 1 is a critical area of research in cancer immunologyDescription. TheMAGE-A4Peptide(286-294, KVLEHVVRV) is apeptidecorresponding toMAGE-A4 (Melanoma-associated antigen 4), amino acids 286-294.. The detailed characterization of MAGE-1 peptide sequences, alongside those from related antigens like MAGED1 and other MAGE family members, provides the foundation for developing targeted immunotherapies aimed at harnessing the power of the immune system to combat cancer. The ongoing exploration of peptide-MHC interactions and the design of high-specificity binders for peptide-MHC complexes further underscore the importance of understanding these fundamental molecular mechanisms.