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PubMed Journals Articles About "Lentivirus" RSS

14:54 EST 20th November 2018 | BioPortfolio

Lentivirus PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Lentivirus articles that have been published worldwide.

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Showing "lentivirus" PubMed Articles 1–25 of 100

The human oncogene SCL/TAL1 interrupting locus (STIL) promotes tumor growth through MAPK/ERK, PI3K/Akt and AMPK pathways in prostate cancer.

The morbidity and mortality of prostate cancer (PCa) in China have increased obviously, which became the second leading cause of death in men with cancer. Hedgehog (Hh) signaling pathway is a key signaling pathway involved in the prostate cancer progression. The human oncogene SCL/TAL1 interrupting locus (STIL) can modulate the Hh signaling pathway, but its function in PCa has not been reported. Here, we showed that STIL was increased in high grade prostate cancer tissue. Knockdown of STIL in prostate cance...


Effects of lentivirus-mediated CYP17A1 gene silencing on the biological activity of glioma.

Gliomas are the most common malignant primary brain tumors with poor prognosis. We attempted to explore the role of CYP17A1 in glioma progression. We demonstrated that the expression of CYP17A1 was significantly higher in the glioma tissues than the normal brain tissues, especially in malignant glioma. Moreover, the expression of CYP17A1 gene was positively correlative with glioma pathological grades. In vitro, CYP17A1 gene silence inhibited the proliferation and invasion of glioma cells and promoted the ap...

In vivo hematopoietic stem cell gene therapy ameliorates murine thalassemia intermedia.

Current thalassemia gene therapy protocols require the collection of hematopoietic stem/progenitor cells (HSPCs), in vitro culture, lentivirus vector transduction, and retransplantation into myelo-ablated patients. Because of cost and technical complexity, it is unlikely that such protocols will be applicable in developing countries where the greatest demand for a beta-thalassemia therapy lies. We have developed a simple in vivo HSPC gene therapy approach that involved HSPC mobilization and an intravenous i...


SCUBE1-enhanced bone morphogenetic protein signaling protects against renal ischemia-reperfusion injury.

We previously reported that the membrane-bound SCUBE1 (signal peptide-CUB-epithelial growth factor domain-containing protein 1) forms a complex with bone morphogenetic protein 2 (BMP2) ligand and its receptors, thus acting as a BMP co-receptor to augment BMP signal activity. However, whether SCUBE1 can bind to and facilitate signaling activity of BMP7, a renal protective molecule for ischemia-reperfusion (I/R) insult, and contribute to the proliferation and repair of renal tubular cells after I/R remains la...

Long Non-coding RNA SNHG16 has Tumor Suppressing Effect in Acute Lymphoblastic Leukemia by Inverse Interaction on hsa-miR-124-3p.

Acute lymphoblastic leukemia (ALL) is one of the deadly forms of childhood cancers in the world. In the present study, we used both in vitro and in vivo models to evaluate the functional mechanisms of a long noncoding RNA (lncRNA), small nucleolar RNA host gene 16 (SNHG16) in ALL. SNHG16 gene expression was evaluated by quantitative real-time PCR (qPCR) in both in vitro ALL cell lines and in vivo human samples of T lymphocytes. Lentivirus-mediated SNHG16 downregulation was performed in MOLT3 and SUP-B15 cel...

MiR-542-3p controls hepatic stellate cell activation and fibrosis via targeting BMP-7.

There has been an increasing number of studies about microRNAs as key regulators in the development of hepatic fibrosis. Here, we demonstrate that miR-542-3p can promote hepatic fibrosis by downregulating the expression of bone morphogenetic protein 7 (BMP-7), which is known to antagonize transforming growth factor β1 (TGFβ1)-mediated fibrogenesis effect. The expression of miR-542-3p is increased in activated hepatic stellate cells (HSCs). Downregulation of MiR-542-3p by antisense inhibitors can inhibit H...

Involvement of NYD-SP15 in growth and oxidative-stress responses of ARPE-19.

The aim of this study was to investigate the role of NYD-SP15 in the growth and oxidative-stress responses of ARPE-19 cells. ARPE-19 cell lines overexpressing wild type or RNA interference against NYD-SP15 were established via lentivirus transfection. Cell growth and proliferation, migration, apoptosis, and cell cycle progression were monitored using the Cell Counting Kit-8 assay, the wound scratch assay, and flow cytometry, respectively. Caspase-3/8/9 activity was examined using the caspase-3/8/9 assay ki...

Lentivirus-Mediated RNAi in Skeletal Myogenesis.

RNA interference (RNAi) has greatly facilitated investigation of gene functions in vitro as well as in vivo. Recombinant lentivirus is widely used to deliver small hairpin RNA (shRNA) because of its high transduction capacity into diverse cell types and tissues. Here, we describe methods of lentivirus-mediated delivery of shRNA for the study of skeletal muscle cell differentiation in vitro and injury-induced muscle regeneration in mice.

Erbin plays a critical role in human umbilical vein endothelial cell migration and tubular structure formation via the Smad1/5 pathway.

Angiogenesis is an important process in atherosclerosis. ErbB2 was proved to have an important role in vascular development, but it is still unclear whether Erbin expresses in vessels as well as its location and function in the vessels. In the current study, we investigated the location and function of Erbin in human umbilical veins. The human umbilical veins were prepared, and immunofluorescent analysis was performed to determine the expression of Erbin. Human umbilical vein endothelial cells (HUVECs) were...

BMI1 Promotes Cardiac Fibrosis in Ischemia-Induced Heart Failure via the PTEN-PI3K/AKT-mTOR Signaling Pathway.

Cardiac fibrosis has been known to play an important role in the etiology of heart failure following myocardial infarction (MI). B lymphoma Mo-MLV insertion region 1 homolog (BMI1), a transcriptional repressor, is important for fibrogenesis in the kidneys. However, the effect of BMI1 on ischemia-induced cardiac fibrosis remains unclear. BMI1 was strongly expressed in the infarct region one week post-MI in mice and was detected by Western blot and histological analysis. Lentivirus-mediated overexpression of ...

Establishment of a rapid and footprint-free protocol for differentiation of human embryonic stem cells into pancreatic endocrine cells with synthetic mRNAs encoding transcription factors.

Transplantation of pancreatic β cells generated in vitro from pluripotent stem cells (hPSCs) such as embryonic stem cells (ESCs) or induced pluripotent stem cells (iPSCs) has been proposed as an alternative therapy for diabetes. Though many differentiation protocols have been developed for this purpose, lentivirus-mediated forced expression of transcription factors (TF)-PDX1 and NKX6.1-has been at the forefront for its relatively fast and straightforward approach. However, considering that such cells will ...

Increased Cthrc1 Activates Normal Fibroblasts and Suppresses Keloid Fibroblasts by Inhibiting TGF-β/Smad Signal Pathway and Modulating YAP Subcellular Location.

Keloid may induce severe impairment of life quality for the patients, although keloid is a cutaneous benign tumor. Collagen triple helix repeat containing protein 1 (Cthrc1) was identified as a novel gene that was originally found in adventitial fibroblasts after arterial injury. To address the role of Cthrc1 in keloid, the expression level of Cthrc1 was assessed in normal skin and keloid tissue, as well as in normal fibroblasts (NFs) and keloid fibroblasts (KFs) by using quantitative PCR, Western blotting ...

Resveratrol attenuates high fat diet-induced mouse cardiomyopathy through upregulation of estrogen related receptor-α.

Resveratrol reportedly promotes the improvement of cardiac dysfunction and other cardiovascular diseases. Studies demonstrate resveratrol exhibits a set of benefits, including anti-oxidative property, anti-apoptosis and anti-inflammation. However, the molecular mediators of resveratrol-induced cardiac benefits are still not fully disclosed. Present study aims to investigate whether estrogen-related receptor (ERR)-α, an orphan nuclear receptor, determines the protective benefits of resveratrol in obesity-re...

Effects of Lentivirus-Mediated C3 Expression on Trabecular Meshwork Cells and Intraocular Pressure.

We evaluated the effects of lentivirus-mediated exoenzyme C3 transferase (C3) expression on cultured primary human trabecular meshwork (HTM) cells in vitro, and on rat intraocular pressure (IOP).

Phosphorylation of SRSF1 at Tyr-19 promotes cell proliferation in pediatric acute lymphoblastic leukemia.

Serine/arginine-rich splicing factor 1 (SRSF1) has been linked to various human cancers including pediatric acute lymphoblastic leukemia (ALL). Our previous study has shown that SRSF1 potentially contributes to leukemogenesis, however its underlying mechanism remains unclear. In this study, leukemic cells were isolated from pediatric ALL bone marrow samples, followed by immune-precipitation assays and mass spectrum analysis specific to SRSF1. Subcellular localization of the SRSF1 protein and its mutants wer...

Essential roles of neuropeptide VGF regulated TrkB/mTOR/BICC1 signaling and phosphorylation of AMPA receptor subunit GluA1 in the rapid antidepressant-like actions of ketamine in mice.

Previous studies have suggested that rapid reductions in depression-like behaviors are observed in response to sub-anesthetic-doses of ketamine, an N-methyl-D-aspartate receptor (NMDAR) antagonist. Neuropeptide VGF (non-acronymic) is a critical effector of depression-like behaviors and is thought to be involved in the antidepressant actions of ketamine that have been demonstrated. However, the mechanism underlying the involvement of VGF in the anti-depressant action of ketamine remains unclear. We found tha...

SEMA3B-AS1-inhibited osteogenic differentiation of human mesenchymal stem cells revealed by quantitative proteomics analysis.

Human mesenchymal stem cells (hMSCs) are fibroblastoid multipotent adult stem cells with capacities of differentiation into osteoblasts and chondrocytes and show great potential in new bone formation and bone repair-related clinical settings, such as osteoporosis. Long noncoding RNAs (lncRNAs) have been demonstrated to play important roles in various biological processes. Here, we report an antisense lncRNA SEMA3B-AS1 regulating hMSCs osteogenesis. SEMA3B-AS1 is proximal to a member of the semaphorin family...

Downregulated microRNA-224 aggravates vulnerable atherosclerotic plaques and vascular remodeling in acute coronary syndrome through activation of the TGF-β/Smad pathway.

Recent studies have shown that circulating microRNAs (miRNA) play a critical role in diagnosing acute coronary syndrome (ACS). This study aims to investigate the effect of miR-224 on atherosclerotic plaques forming and vascular remodeling in ACS and its relationship with TGF-β/Smad pathway. Myocardial infarction (MI) rat model was established and lentivirus vector of miR-224 inhibitor was prepared for investigating the effect of downregulated miR-224 on the contents of nitric oxide (NO) and endothelin-1 (E...

Hepatic stellate cells regulate hepatic progenitor cells differentiation via the TGF-β1/Jagged1 signaling axis.

Hepatic stellate cells (HSCs) play an important microenvironmental role in hepatic progenitor cells (HPCs) differentiation fate. To reveal the specific mechanism of HSCs induced by transforming growth factor β1 (TGF-β1) signaling in HPCs differentiation process, we used Knockin and knockdown technologies induced by lentivirus to upregulate or downregulate TGF-β1 level in mouse HSCs (mHSCs) (mHSCs-TGF-β1 or mHSCs-TGF-βR1sih3). Primary mouse HPCs (mHPCs) were isolated and were cocultured with mHSCs-TGF-...

LncRNA ENST00000453774.1 contributes to oxidative stress defense dependent on autophagy mediation to reduce extracellular matrix and alleviate renal fibrosis.

Although long noncoding RNA (LncRNA) are important players in the initiation and progression of many pathological processes, the role of LncRNAENST00000453774.1 (LncRNA 74.1) in renal fibrosis still remains unclear. Lentivirus mediated LncRNA 74.1 overexpressing HK2 cells and overexpression mice models were constructed. HK2 cells induced by transforming growth factor-β (TGF-β) in vitro, and the mice UUO model in vivo were used to simulate renal fibrosis. The expression of LncRNA 74.1 was significantly dow...

Aldehyde dehydrogenase 2 deficiency promotes atherosclerotic plaque instability through accelerating mitochondrial ROS-mediated vascular smooth muscle cell senescence.

Previous evidence has indicated a beneficial role for aldehyde dehydrogenase 2 (ALDH2) in suppressing atherosclerotic plaque progression and instability. However, the underlying mechanism remains somewhat elusive. This study was designed to examine the effect of ALDH2 deficiency on cholesterol diet-induced atherosclerotic plaque progression and plaque vulnerability in atherosclerosis-prone ApoE knockout (ApoE) mice with a focus on foam cell formation in macrophages and senescence of vascular smooth muscle c...

Resveratrol Attenuates hIAPP Amyloid Formation and Restores the Insulin Secretion Ability in hIAPP-INS1 Cell Line via Enhancing Autophagy.

It has been proved that human islet amyloid polypeptide (hIAPP), the main constituent of islet amyloid deposition, is one of the important factors which can induce type 2 diabetes or graft failure after islet transplantation. As there is no research on whether resveratrol degrading the amyloid deposition by its special chemical structure or enhancing autophagy had been published, we decided to detect the function of resveratrol in degrading the amyloid deposition in pancreatic beta cells. We established sta...

Pan-PIM Kinase Inhibitors Enhance Lenalidomide's Anti-myeloma Activity Via Cereblon-IKZF1/3 Cascade.

Multiple myeloma remains an incurable disease, and continued efforts are required to develop novel agents and novel drug combinations with more effective anti-myeloma activity. Here, we show that the pan-PIM kinase inhibitors SGI1776 and CX6258 exhibit significant anti-myeloma activity and that combining a pan-PIM kinase inhibitor with the immunomodulatory agent lenalidomide in an in vivo myeloma xenograft mouse model resulted in synergistic myeloma cell killing without additional hematologic or hepatic tox...

MicroRNA-107 regulates anesthesia-induced neural injury in embryonic stem cell derived neurons.

Ketamine, though widely used in pediatric anesthesia, may induce cortical neurotoxicity in young patients. This study focused on an in vitro model of rat brain embryonic stem cell (ESC)-derived neurons to investigate the effects of microRNA-107 (miR-107) on ketamine-induced neural injury. Rat brain ESCs were proliferated in vitro and differentiated toward neuronal fate. Ketamine induced neural injury in ESC-derived neurons was inspected by TUNEL and neurite growth assays. Ketamine-induce aberrant miR-107 ex...

Gα12 ablation exacerbates liver steatosis and obesity by suppressing USP22/SIRT1-regulated mitochondrial respiration.

Non-alcoholic fatty liver disease (NAFLD) arises from mitochondrial dysfunction under sustained imbalance between energy intake and expenditure, but the underlying mechanisms controlling mitochondrial respiration have not been entirely understood. Heterotrimeric G proteins converge signals from activated GPCRs, and modulate cell signaling pathways to maintain metabolic homeostasis. Here, we investigated the regulatory role of Gα12 on hepatic lipid metabolism and whole-body energy expenditure in mice. Fasti...


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