Proto-Oncogene Vav (VAV1) Antibody
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Description
The protein encoded by this proto-oncogene is a member of the Dbl family of guanine nucleotide exchange factors (GEF) for the Rho family of GTP binding proteins. The protein is important in hematopoiesis, playing a role in T-cell and B-cell development and activation. This particular GEF has been identified as the specific binding partner of Nef proteins from HIV-1. Coexpression and binding of these partners initiates profound morphological changes, cytoskeletal rearrangements and the JNK/SAPK signaling cascade, leading to increased levels of viral transcription and replication.
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Product specifications
| Category | Primary Antibodies |
| Immunogen Target | Proto-Oncogene Vav (VAV1) |
| Host | Mouse |
| Reactivity | Human |
| Recommended Dilution | ELISA: 1/10000, WB: 1/250, FCM: 1/200 - 1/400. Optimal dilutions/concentrations should be determined by the end user. |
| Clonality | Monoclonal |
| Conjugation | Unconjugated |
| Isotype | IgG1 |
| Purification | Purified from ascites by Protein G chromatography. |
| Size 1 | 100 µl |
| Form | Liquid |
| Tested Applications | ELISA, WB, FCM |
| Buffer | PBS, containing 0.05% sodium azide. |
| Availability | Shipped within 5-10 working days. |
| Storage | Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| UniProt ID | P15498 |
| Gene ID | 7409 |
| OMIM | 164875 |
| Alias | VAV1, VAV,VAV1 protein,Proto-oncogene vav |
| Background | Antibody anti-VAV1 |
| Status | RUO |
| Note | Concentration: 1 mg/ml - |
Descripción
VAV1 is a guanine nucleotide exchange factor (GEF) that activates Rho family GTPases, such as Rac1 and Cdc42, by facilitating the exchange of GDP for GTP. It is primarily expressed in hematopoietic cells, where it plays a critical role in T-cell receptor (TCR) and B-cell receptor (BCR) signaling, cytoskeletal rearrangement, and immune cell activation. VAV1 acts as a signaling scaffold, linking tyrosine kinases to downstream effectors that regulate cell migration, adhesion, and polarization. It is essential for lymphocyte development, antigen receptor signaling, and immune responses. Dysregulation of VAV1 is associated with autoimmune diseases, impaired immune cell function, and certain cancers, including T-cell leukemia, where it promotes abnormal proliferation and survival. Knockout studies reveal defects in T-cell activation, impaired immune responses, and defective cytoskeletal organization, highlighting its critical role in immune signaling, cytoskeletal dynamics, and lymphocyte function.
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