LncRNA SH3BP5-AS1 promotes hepatocellular carcinoma progression by sponging miR-6838-5p and activation of PTPN4. | LncRNA SH3BP5-AS1 promotes hepatocellular carcinoma progression by sponging miR-6838-5p and activation of PTPN4. Zhao X, Zhu X, Xiao C, Hu Z., Free PMC Article | 10/11/2024 |
circRNA-PTPN4 mediated regulation of FOXO3 and ZO-1 expression: implications for blood-brain barrier integrity and cognitive function in uremic encephalopathy. | circRNA-PTPN4 mediated regulation of FOXO3 and ZO-1 expression: implications for blood-brain barrier integrity and cognitive function in uremic encephalopathy. Liu Y, Qin Y, Zhang Y., Free PMC Article | 05/1/2024 |
E3 Ubiquitin Ligase MARCH8 Promotes Pancreatic Cancer Growth and Metastasis by Activating STAT3 via Degradation of PTPN4. | E3 Ubiquitin Ligase MARCH8 Promotes Pancreatic Cancer Growth and Metastasis by Activating STAT3 via Degradation of PTPN4. Chen C, Wang Y, Zhao Q, Li GD, Wang YH, Xu LC, Huang HZ, Song G, Li WT, He XH. | 12/20/2023 |
MicroRNA-375 is a therapeutic target for castration-resistant prostate cancer through the PTPN4/STAT3 axis. | MicroRNA-375 is a therapeutic target for castration-resistant prostate cancer through the PTPN4/STAT3 axis. Gan J, Liu S, Zhang Y, He L, Bai L, Liao R, Zhao J, Guo M, Jiang W, Li J, Li Q, Mu G, Wu Y, Wang X, Zhang X, Zhou D, Lv H, Wang Z, Zhang Y, Qian C, Feng M, Chen H, Meng Q, Huang X., Free PMC Article | 09/17/2022 |
Structural and biochemical analysis of the PTPN4 PDZ domain bound to the C-terminal tail of the human papillomavirus E6 oncoprotein. | Structural and biochemical analysis of the PTPN4 PDZ domain bound to the C-terminal tail of the human papillomavirus E6 oncoprotein. Lee HS, Yun HY, Lee EW, Shin HC, Kim SJ, Ku B. | 04/9/2022 |
Study identified a nonsense mutation of PTPN4 with mutation ratio of 90.90% from 1 case of rectal cancer. Overexpression of PTPN4 suppressed the growth of colorectal cancer cells. PTPN4 dephosphorylates pSTAT3 at the Tyr705 residue with a direct interaction and depresses the transcriptional activity of STAT3. | Loss of PTPN4 activates STAT3 to promote the tumor growth in rectal cancer. Zhang BD, Li YR, Ding LD, Wang YY, Liu HY, Jia BQ., Free PMC Article | 07/20/2019 |
Data show that mutations affect the regulation of the protein tyrosine phosphatase non-receptor type 4 (PTPN4) bidomain and indicate that the PDZ-PDZ ligand regulation of PTPN4 is a linker-mediated mechanism. | Regulation of the Human Phosphatase PTPN4 by the inter-domain linker connecting the PDZ and the phosphatase domains. Caillet-Saguy C, Toto A, Guerois R, Maisonneuve P, di Silvio E, Sawyer K, Gianni S, Wolff N., Free PMC Article | 03/16/2019 |
Binding assays confirmed that three (Cyto8-mtxd-1, Cyto8-mtxk-4 and Cyto8-mtxd-1k-4) out of the five designed peptides exhibit moderately or considerably increased affinity as compared to the native peptide Cyto8-RETEV | Structure-based optimization of salt-bridge network across the complex interface of PTPN4 PDZ domain with its peptide ligands in neuroglioma. Xiao X, He QH, Yu LY, Wang SQ, Li Y, Yang H, Zhang AH, Ma XH, Peng YJ, Chen B. | 11/11/2017 |
the p38gamma.PTPN4 interaction promotes cellular signaling, preventing cell death induction. | Molecular Basis of the Interaction of the Human Protein Tyrosine Phosphatase Non-receptor Type 4 (PTPN4) with the Mitogen-activated Protein Kinase p38γ. Maisonneuve P, Caillet-Saguy C, Vaney MC, Bibi-Zainab E, Sawyer K, Raynal B, Haouz A, Delepierre M, Lafon M, Cordier F, Wolff N., Free PMC Article | 05/7/2017 |
Deletion of PTPN4 has been reported in monozygotic twins with a Rett syndrome-like phenotype. | Deletion of protein tyrosine phosphatase, non-receptor type 4 (PTPN4) in twins with a Rett syndrome-like phenotype. Williamson SL, Ellaway CJ, Peters GB, Pelka GJ, Tam PP, Christodoulou J., Free PMC Article | 05/28/2016 |
The physiologically active PTPN4 two-domain (the PDZ and the phosphatase domains) adopts a predominant compact conformation in solution. PDZ ligand binding restores the catalytic competence of PTPN4 disrupting the transient interdomain communication. | Regulation of the catalytic activity of the human phosphatase PTPN4 by its PDZ domain. Maisonneuve P, Caillet-Saguy C, Raynal B, Gilquin B, Chaffotte A, Pérez J, Zinn-Justin S, Delepierre M, Buc H, Cordier F, Wolff N. | 01/10/2015 |
These findings suggest that PTPN4 negatively regulates cell proliferation and motility through dephosphorylation of CrkI. | PTPN4 negatively regulates CrkI in human cell lines. Zhou J, Wan B, Shan J, Shi H, Li Y, Huo K., Free PMC Article | 03/8/2014 |
PTPN4 is dispensable for T cell development and/or T cell effector functions. | The protein tyrosine phosphatase PTPN4/PTP-MEG1, an enzyme capable of dephosphorylating the TCR ITAMs and regulating NF-kappaB, is dispensable for T cell development and/or T cell effector functions. Young JA, Becker AM, Medeiros JJ, Shapiro VS, Wang A, Farrar JD, Quill TA, Hooft van Huijsduijnen R, van Oers NS., Free PMC Article | 01/21/2010 |