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| SHP1 is a non-receptor protein tyrosine phosphatase primarily encoded by the gene PTPN6. Immune Checkpoint Brake, Tumor Suppressor Signaling, and Immune Evasion – In blood cancers such as leukemia and lymphoma, altered SHP1 expression (often downregulation) is frequently observed. – Downregulation or loss of SHP1 is often associated with more aggressive disease phenotypes and poorer prognosis. Direction of Regulation in Cancer Two distinct, context-specific directions: A. Tumor Cells (especially hematologic malignancies): DOWNREGULATED -Frequently silenced epigenetically (promoter methylation) -Rarely mutated; loss is regulatory -Results in unchecked growth and survival signaling B. Immune Cells within the Tumor Microenvironment: FUNCTIONALLY UPREGULATED -Actively recruited by inhibitory receptors -Suppresses T-cell, NK-cell, and myeloid anti-tumor responses -Promotes immune evasion This duality is critical to interpret SHP1 correctly. When SHP1 is lost in tumor cells: -JAK–STAT signaling becomes hyperactive -Growth and survival pathways escape negative feedback -Cells gain a proliferative and survival advantage |
| 2773- | Bos, | Targeted inhibition of tumor proliferation, survival, and metastasis by pentacyclic triterpenoids: Potential role in prevention and therapy of cancer |
| - | Review, | Var, | NA |
| 2782- | CHr, | Broad-Spectrum Preclinical Antitumor Activity of Chrysin: Current Trends and Future Perspectives |
| - | Review, | Var, | NA | - | Review, | Stroke, | NA | - | Review, | Park, | NA |
| 5225- | EMD, | Emodin inhibits growth and induces apoptosis in an orthotopic hepatocellular carcinoma model by blocking activation of STAT3 |
| - | vitro+vivo, | HCC, | HepG2 | - | in-vitro, | HCC, | Hep3B | - | in-vitro, | HCC, | HUH7 |
| 5160- | PLB, | VitK3, | Plumbagin, Vitamin K3 Analogue, Suppresses STAT3 Activation Pathway through Induction of Protein Tyrosine Phosphatase, SHP-1: Potential Role in Chemosensitization |
| - | in-vitro, | Melanoma, | U266 |
Query results interpretion may depend on "conditions" listed in the research papers. Such Conditions may include : -low or high Dose -format for product, such as nano of lipid formations -different cell line effects -synergies with other products -if effect was for normal or cancerous cells
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