Long non-coding RNA PVT1 indicates a poor prognosis of glioma and promotes cell proliferation and invasion via target EZH2.
This study aimed to assess the relationship between plasmacytoma variant translocation 1 (PVT1) and enhancer of zeste homolog 2 (EZH2), and their effects on the proliferation and invasion of glioma cells. The expression levels of PVT1 and EZH2 in human glioma tissues and cell lines were measured using qRT-PCR. Then, after siRNA-PVT1 and entire PVT1 sequence vector transfection, we determined the regulation roles of PVT1 on the proliferation, apoptosis, migration and invasion of glioma cells. We found that the expression levels of both PVT1 and EZH2 were up-regulated in human glioma tissues and cell lines, and positively correlated with glioma malignancy. And, silencing of PVT1 expression resulted in proliferation decreased, apoptosis increased, and migration and invasion decreased. In addition, exogenous PVT1 led to increased EZH2 expression and increased proliferation and induced proliferation and invasion. These date inferred that long non-coding RNA PVT1 could be served as an indicator of glioma prognosis, and PVT1-EZH2 regulatory pathway may be a novel therapeutic target for treating glioma. PMID: 29046366 [PubMed - as supplied by publisher]
Publication date: Available online 8 April 2020Source: CellAuthor(s): Min Zhang, Lei Liu, Xubo Lin, Yang Wang, Ying Li, Qing Guo, Shulin Li, Yuxin Sun, Xuan Tao, Di Zhang, Xiachen Lv, Li Zheng, Liang Ge
Conclusions: This is an institution-based, detailed, and descriptive epidemiological study of patients with primary CNS tumors in Saudi Arabia. In contrast to other regional and international studies, the medulloblastomas in our institution are more frequent than pilocytic astrocytomas. Limitations to our study included the referral bias and histology-based methodology. PMID: 32256589 [PubMed]
Conclusions: Of the inflammatory monocyte markers evaluated, sCD14 was associated with smaller frontal and temporal cortical volume in the overall and WWH-only samples, while plasma sCD163 was only associated with smaller left caudal middle frontal gyrus in the WWH-only group. Validating these monocyte proteins as neurological biomarkers of structural brain deficits in a larger sample is critical for understanding HIV-associated neurobiological complications.
Conclusions/interpretationOur study provides the first evidence thatAkap1 deficiency exacerbates diabetic cardiomyopathy by impeding mitochondrial translocation of NDUFS1 to induce mitochondrial dysfunction and cardiomyocyte apoptosis. Our findings suggest thatAkap1 upregulation has therapeutic potential for myocardial injury in individuals with diabetes.
Publication date: Available online 8 April 2020Source: Pharmacological ResearchAuthor(s): Federico Cucchiara, Francesco Pasqualetti, Filippo Sean Giorgi, Romano Danesi, Guido Bocci
Abstract Active DNA demethylation process critically relies on the intrinsic properties of ten-eleven translocation proteins (Tets), particularly the flanking sequence preference. Challenged by the fact that the proximate bases to the 5-methylcytosine (5mC) are multitudinous and their influence on the Tets/DNA interplay is minute, the current methodologies are very limited in terms of cost, sensitivity and efficiency. Herein, we propose a polymerization retardation isothermal amplification (PRIA) strategy that enables sensitive and fast study of the flanking sequence preference of Tet. By arranging DNA polymerase ...
lli G Abstract Recent comparisons between plant and animal viruses reveal many common principles that underlie how all viruses express their genetic material, amplify their genomes, and link virion assembly with replication. Cauliflower mosaic virus (CaMV) is not infectious for human beings. Here, we show that CaMV transactivator/viroplasmin protein (TAV) shares sequence similarity with and behaves like the human ribonuclease H1 (RNase H1) in reducing DNA/RNA hybrids detected with S9.6 antibody in HEK293T cells. We showed that TAV is clearly expressed in the cytosol and in the nuclei of transiently transfected hum...
CONCLUSIONS: PVT1 promotes proliferation, invasion, and aerobic glycolysis in glioma cells by regulating miR-140-5p. PMID: 31957841 [PubMed - in process]
CONCLUSIONS: PVT1 accelerates the proliferative and migratory abilities of glioma via downregulating UPF1. PMID: 31696483 [PubMed - in process]
This study investigated the function and mechanism of PVT1 knockdown in the proliferation and malignant transformation of human gliomas. We firstly examined the expression levels of PVT1 and miR-424 in human glioma tissues and cell lines. We also used gene manipulation techniques to explore the effects of PVT1 knockdown on cell viability, migration, invasion, and miR-424. We found that PVT1 knockdown effectively inhibited cell viability, migration and invasion of human glioma cells and increased miR-424 expression. Based on the negative correlation between PVT1 and miR-424, we then confirmed the direct interaction between ...