PTRF Antibody

1. PTRF inhibits the proliferation, migration, and invasion of colorectal cancer cells. Future studies need to define the role of PTRF in the regulation of chemo-resistance in colorectal cancer cells and in colorectal cancer stem cells. PMID: 27203393
2. Purified Cavin1 60S complexes were analyzed structurally in solution and after liposome reconstitution by electron cryotomography. Cavin1 adopted a flexible, net-like protein mesh able to form polyhedral lattices on phosphatidylserine-containing vesicles. Mutating the two coiled-coil domains in Cavin1 revealed that they mediate distinct assembly steps during 60S complex formation. PMID: 27834731
3. Data suggest that the predominant plasmalemmal anionic lipid phosphatidylserine is essential for proper caveolin/cavin clustering, caveola formation, and caveola dynamics; membrane scrambling (by using other phospholipids) can perturb caveolar stability; these studies involved caveolin-1 and cavin-1 as models of caveolin/cavin clustering. PMID: 28698382
4. DNA methylation profiling identifies PTRF/Cavin-1 as a novel tumor suppressor in Ewing sarcoma when co-expressed with caveolin-1, which PTRF, disrupts the MDM2/p53 complex, leading to apoptosis. PMID: 27894957
5. Results show that PTRF is a direct target of miR-187. PTRF plays crucial roles in miR-187-induced epithelial-mesenchymal transition and migration of non-small cell lung cancer cells. PMID: 28393200
6. The expression of the PTRF protein was significantly weaker than that in the adjacent normal lung tissues using immunohistochemical staining. The findings revealed that miR187 promotes cell growth and invasion by targeting PTRF and miR187 may be a new prognostic factor for nonsmall cell lung cancer PMID: 27634346
7. A homozygous PTRF mutation was identified in patient-1. Congenital generalized lipodystrophy type 4 was caused by homozygous PTRF c.481-482insGTGA (p.Lys161Serfs*41) mutation in patient-2. PMID: 27167729
8. This study reports an unanticipated function of ROR1 as a scaffold of cavin-1 and caveolin-1, two essential structural components of caveolae. PMID: 26725982
9. Cavin-1 and cavin-2 are strongly expressed within caveolae-like structures within liver sinusoidal endothelial cells of the hepatitis C-related cirrhotic liver and cavin-1 would play a critical role in regulating aspects of caveolin-1. PMID: 26086560
10. Rather than forming a single coat complex containing the three cavin family members, single-molecule analysis reveals an exquisite specificity of interactions between cavin1, cavin2 and cavin3. PMID: 24473072
11. Our data support a role for PTRF/cavin-1, through caveolae formation, as an attenuator of the non-caveolar functionality of Cav1 in Gal3-Cav1 signalling and regulation of focal adhesion dynamics and cancer cell migration. PMID: 25942420
12. this study presents a novel mutation of PTRF from Saudi Arabia and our findings broaden the mutation spectrum of PTRF in the familial CGL4 phenotype. PMID: 25721873
13. cavin3 is recruited to the caveolae coat by cavin1 to interact with caveolin1 and regulate the duration time of caveolae at the plasma membrane. PMID: 25588833
14. The presence of caveolae as an anatomic structure is not sufficient to ensure their proper function in patient with PTRF mutation. PMID: 25904680
15. Using in silico and in vitro analysis we show that Cavin-1 is expressed in myogenic Rhabdomyosarcoma tumors and human and primary mouse RMS cultures. Cavin-1 or Cav-1 knockdown led to impairment of cell proliferation and migration. PMID: 25822667
16. PTRF acts as a modulator in GBM chemoresistance PMID: 24747515
17. In human adipose tissue, PTRF mRNA levels positively correlated with markers of lipolysis and cellular senescence. A negative relationship between telomere length and PTRF mRNA levels was observed in human subcutaneous fat. PMID: 24812087
18. caveolin-1 in advanced prostate cancer is present outside of caveolae, because of the lack of cavin-1 expression PMID: 23934189
19. The tumor-promoting role of cavin-1 in pancreatic cancer was found to be largely dependent on caveolin-1. PMID: 23770857
20. In this review stromal PTRF expression decreases with progression of prostate cancer disease. PMID: 23938946
21. PTRF and Cav-1 can bind IGF-IR and regulate IGF-IR internalization and plasma membrane replacement, mechanisms frequently deregulated in cancer cells.[review] PMID: 23404184
22. PTRF/cavin-1 is essential for multidrug resistance in cancer cells via the fortification of lipid rafts. PMID: 23214712
23. Data show that two proteins, PTRF/cavin-1 and MIF, which are differentially expressed between normal lung and non-small cell lung cancer. PMID: 22461895
24. The cavin family protein Polymerase 1 and transcript release factor, SRBC and serum deprivation response protein were down regulated in breast cancer cell lines and breast tumor tissue. PMID: 21913217
25. This study identified no pathogenic mutations in BAG3, MATR3, PTRF or TCAP in Australian muscular dystrophy. PMID: 21683594
26. PTRF expression is increased in senescent human fibroblasts. PMID: 21445100
27. PTRF/cavin-1 is a novel regulator of oxidative stress-induced premature senescence by acting as a link between free radicals and activation of the p53/p21(Waf1/Cip1) pathway. PMID: 21705337
28. PTRF/cavin-1-expressing PC3 cells exhibit decreased migration, and that this effect is mediated by reduced MMP9 production. PMID: 20732728
29. membrane-delimited interaction between MG53 and PTRF contributes to initiation of cell membrane repair PMID: 21343302
30. Findings suggest that Cav-1 and PTRF/Cavin could represent two relevant and distinct targets to modulate IGF-IR function. PMID: 21152401
31. These data demonstrate a new function for PTRF/cavin-1, a new functional interaction between caveolin-1 and Rab8 and that actomyosin interactions can induce tension on caveolin-1-containing membranes. PMID: 20427576
32. mutations in PTRF result in a novel phenotype that includes generalized lipodystrophy with mild metabolic derangements, myopathy, cardiac arrhythmias, atlantoaxial instability, and pyloric stenosis PMID: 20684003
33. PTRF-CAVIN deficiency thus presents the phenotypic spectrum caused by a quintessential lack of functional caveolae. PMID: 20300641
34. Caveolae of human adipocytes are proposed to function in targeting, relocation and proteolytic control of PTRF and other PEST-domain-containing signalling proteins PMID: 15242332
35. The findings indicate also a novel extranuclear function for PTRF in the control of lipolysis. PMID: 17026959
36. identified PTRF mutations in 5 nonconsanguineous patients who presented with both generalized lipodystrophy and muscular dystrophy PMID: 19726876
37. Observational study of gene-disease association. (HuGE Navigator) PMID: 19068216

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HGNC: 9688

OMIM: 603198

KEGG: hsa:284119

STRING: 9606.ENSP00000349541

UniGene: Hs.437191