Search Within
Filtros aplicados
Exibindo 1-30 of 9224 resultados for "


" no prazo de Papéis
Jin Liu et al.
International journal of oncology, 52(4), 1295-1304 (2018-02-28)
Osteosarcoma has become one of the most common primary malignant tumors affecting children and adolescents. Although increasing evidence has indicated that microRNAs (miRNAs or miRs) play important roles in the development of osteosarcoma, the expression of miR‑27a‑3p and its effects
Huichao Huang et al.
Aging, 12(14), 14699-14717 (2020-07-18)
Steroidogenic enzymes are crucial in prostate cancer (PCa) progression. 17β-Hydroxysteroid dehydrogenase type 4 (HSD17B4), encoded by HSD17B4, lacks catalytic capacity in androgen metabolism. Now the detailed role and molecular mechanism of PCa development are largely unknown. Here we showed that
Peter Meinke et al.
PLoS genetics, 10(9), e1004605-e1004605 (2014-09-12)
Proteins of the nuclear envelope (NE) are associated with a range of inherited disorders, most commonly involving muscular dystrophy and cardiomyopathy, as exemplified by Emery-Dreifuss muscular dystrophy (EDMD). EDMD is both genetically and phenotypically variable, and some evidence of modifier
Makiko Takeichi et al.
PloS one, 8(2), e57829-e57829 (2013-03-08)
During cardiac development, a subpopulation of epicardial cells migrates into the heart as part of the epicardial epithelial-mesenchymal transition (EMT) and differentiates into smooth muscle cells and fibroblasts. However, the roles of transcription factors in the epicardial EMT are poorly
Susana García-Silva et al.
The Journal of experimental medicine, 216(5), 1061-1070 (2019-04-13)
Liquid biopsies from cancer patients have the potential to improve diagnosis and prognosis. The assessment of surrogate markers of tumor progression in circulating extracellular vesicles could be a powerful non-invasive approach in this setting. We have characterized extracellular vesicles purified
Seth D Kasowitz et al.
Scientific reports, 7(1), 17259-17259 (2017-12-10)
The germ cell lineage is specified early in embryogenesis and undergoes complex developmental programs to generate gametes. Here, we conducted genetic studies to investigate the role of Utf1 (Undifferentiated embryonic cell transcription factor 1) in mouse germ cell development. Utf1
Zhenhua Hao et al.
Journal of cell science, 128(7), 1365-1374 (2015-02-13)
The large dense-core vesicle (LDCV), a type of lysosome-related organelle, is involved in the secretion of hormones and neuropeptides in specialized secretory cells. The granin family is a driving force in LDCV biogenesis, but the machinery for granin sorting to
Chiara Raggi et al.
The American journal of pathology, 189(10), 2090-2101 (2019-07-28)
Fibroblast growth factor receptor 2 (FGFR2) might have an important role in the pathogenesis and biology of cholangiocarcinoma (CCA). We examined FGFR expression in CCA tumor specimens obtained from patients and CCA cell lines, and then determined the effects of
Lyn M Moir et al.
American journal of physiology. Lung cellular and molecular physiology, 284(1), L148-L159 (2002-10-22)
Repeated ovalbumin (OA) or saline exposure of sensitized Brown Norway rats was examined on agonist reactivity, airway smooth muscle (ASM) content, and contractile protein expression in small bronchioles at 24 h, 7 days, and 35 days after challenge. OA increased
Natalie K Y Wee et al.
Calcified tissue international, 107(5), 510-523 (2020-08-18)
The maintenance of whole body energy homeostasis is critical to survival and mechanisms exist whereby an organism can adapt to its environment and the stresses placed upon it. Environmental temperature and thermogenesis are key components known to affect energy balance.
Dan Vershkov et al.
Cell reports, 26(10), 2531-2539 (2019-03-07)
Fragile X syndrome (FXS) is caused primarily by a CGG repeat expansion in the FMR1 gene that triggers its transcriptional silencing. In order to investigate the regulatory layers involved in FMR1 inactivation, we tested a collection of chromatin modulators for
Shu-Zhen Zhang et al.
BMC medicine, 17(1), 204-204 (2019-11-16)
Brain innate immunity is vital for maintaining normal brain functions. Immune homeostatic imbalances play pivotal roles in the pathogenesis of neurological diseases including Parkinson's disease (PD). However, the molecular and cellular mechanisms underlying the regulation of brain innate immunity and
Ceshi Chen et al.
International journal of cancer, 124(12), 2829-2836 (2009-03-10)
WWP1, a HECT type E3 ubiquitin ligase frequently amplified and overexpressed in breast cancer, has the potential to become a useful clinical biomarker and therapeutic target in breast cancer. Here, we performed immunohistochemical staining in formalin-fixed and paraffin-embedded tissue sections
Chia-Yu Yang et al.
Journal of immunology (Baltimore, Md. : 1950), 192(4), 1547-1557 (2014-01-10)
T cell activation is dependent upon phosphorylation of MAPKs, which play a critical role in the regulation of immune responses. Dual-specificity phosphatase 14 (DUSP14; also known as MKP6) is classified as a MAPK phosphatase. The in vivo functions of DUSP14
Jun Tian et al.
Autophagy, 17(9), 2586-2603 (2020-09-11)
Mesenchymal stem cell transplantation (MSCT) has been applied to treat a variety of autoimmune and inflammatory diseases. Psychosocial stress can aggravate disease progression in chronic inflammatory patients. Whether psychological stress affects MSCT is largely unknown. In this study we show
Cheng An et al.
Advances in bioscience and biotechnology (Print), 8(9), 311-323 (2018-05-26)
Histone modification including H3 lysine 79 methylation (H3K79me) plays a key role during gene transcription and DNA damage repair. DOT1L, the sole methyltransferase for three states of H3K79me, is implicated in leukemia, co-lorectal cancer, and dilated cardiomyopathy. However, understanding of
Anne Poder Andersen et al.
International journal of cancer, 142(12), 2529-2542 (2018-01-25)
High metabolic and proliferative rates in cancer cells lead to production of large amounts of H+ and CO2 , and as a result, net acid extruding transporters are essential for the function and survival of cancer cells. We assessed protein
Federica Ferri et al.
Nature communications, 6, 8900-8900 (2015-11-26)
Despite its importance during viral or bacterial infections, transcriptional regulation of the interferon-β gene (Ifnb1) in activated macrophages is only partially understood. Here we report that TRIM33 deficiency results in high, sustained expression of Ifnb1 at late stages of toll-like
Sara Svensson Akusjärvi et al.
iScience, 25(1), 103607-103607 (2022-01-11)
Natural control of HIV-1 is a characteristic of <1% of HIV-1-infected individuals, so called elite controllers (EC). In this study, we sought to identify signaling pathways associated with the EC phenotype using integrative proteo-transcriptomic analysis and immunophenotyping. We found HIF
Y-H Lin et al.
International journal of andrology, 34(5 Pt 2), e358-e367 (2010-12-07)
We have previously identified novel testis-specific genes by microarray analysis of human testicular tissues. One of the novel genes is Male Germ Cells Rab GTPase- Activating Proteins (MgcRabGAP), which is characterized by the conserved RabGAP catalytic domain, TBC (Tre2/Bub2/Cdc16). RabGAPs
Gisela G Slaats et al.
PLoS genetics, 10(10), e1004594-e1004594 (2014-10-24)
We recently reported that centrosomal protein 164 (CEP164) regulates both cilia and the DNA damage response in the autosomal recessive polycystic kidney disease nephronophthisis. Here we examine the functional role of CEP164 in nephronophthisis-related ciliopathies and concomitant fibrosis. Live cell
Donghong He et al.
Molecular pharmacology, 97(2), 123-131 (2019-11-18)
The dopamine D2 receptor (D2R) is a G protein-coupled receptor (GPCR) expressed in regions of the brain that control motor function, cognition, and motivation. As a result, D2R is involved in the pathophysiology of disorders such as schizophrenia and drug
Ravi K Sajja et al.
PloS one, 10(3), e0122358-e0122358 (2015-03-26)
Hypoglycemia impairs blood-brain barrier (BBB) endothelial function; a major hallmark in the pathogenesis of various CNS disorders. Previously, we have demonstrated that prolonged hypoglycemic exposure down-regulated BBB endothelial NF-E2 related factor-2 (Nrf2) expression; a redox-sensitive transcriptional factor that regulates endothelial
Mobina Alemi et al.
International journal of molecular sciences, 22(11) (2021-07-03)
Transthyretin (TTR), a 55 kDa evolutionarily conserved protein, presents altered levels in several conditions, including malnutrition, inflammation, diabetes, and Alzheimer's Disease. It has been shown that TTR is involved in several functions, such as insulin release from pancreatic β-cells, recovery
Hsiao-Ning Huang et al.
Stem cell research, 12(2), 338-353 (2013-12-25)
Human embryonic stem cells (hESCs) are functionally unique for their self-renewal ability and pluripotency, but the molecular mechanisms giving rise to these properties are not fully understood. hESCs can differentiate into embryoid bodies (EBs) containing ectoderm, mesoderm, and endoderm. In
Yuan Zhao et al.
Ecotoxicology and environmental safety, 208, 111743-111743 (2021-01-06)
Autophagy dysregulation plays a pivotal role in cadmium (Cd)-induced nephrotoxicity. Quercetin (Qu), a flavonoid antioxidant with autophagy-enhancing effect, has protective effect on Cd-induced toxicity, but whether it can prevent Cd-induced nephrotoxicity via restoration of autophagy remains unknown. Here, primary rat
Sai Lou et al.
Journal of virology, 86(19), 10748-10758 (2012-07-28)
Human parvovirus B19 (B19V) infection is highly restricted to human erythroid progenitor cells, in which it induces a DNA damage response (DDR). The DDR signaling is mainly mediated by the ATR (ataxia telangiectasia-mutated and Rad3-related) pathway, which promotes replication of
Shuo-Chun Weng et al.
Scientific reports, 5, 12769-12769 (2015-09-04)
Decoy receptor 3 (DcR3) expression in kidneys has been shown to predict progression of chronic kidney disease. We prospectively investigated a cohort comprising 96 renal transplant recipients (RTRs) undergoing graft kidney biopsies. Computer-assisted quantitative immunohistochemical staining value of DcR3 in
Jianke Wang et al.
mBio, 11(2) (2020-03-12)
During infection of human parvovirus B19 (B19V), one viral precursor mRNA (pre-mRNA) is transcribed by a single promoter and is alternatively spliced and alternatively polyadenylated. Here, we identified a novel cis-acting sequence (5'-GUA AAG CUA CGG GAC GGU-3'), intronic splicing
Xiaoju Li et al.
Molecular medicine reports, 18(5), 4477-4485 (2018-09-18)
The purpose of the present study was to evaluate the effects of platelet‑rich fibrin (PRF) exudate on the proliferation, osteogenic differentiation and mineralization of human periodontal ligament cells (hPDLCs) in vitro. In the present study PRF was obtained with permission, from
Página 1 de 308
Página 1 de 308