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Hepatocyte growth factor

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https://www.readbyqxmd.com/read/29331278/impact-of-treatment-with-a-protein-tyrosine-kinase-inhibitor-genistein-on-acute-and-chronic-experimental-schistosoma-mansoni-infection
#1
Maysa Mohamed Kamel Sobhy, Soheir Sayed Mahmoud, Shaimaa Helmy El-Sayed, Enas Mohamed Ali Rizk, Amira Raafat, Mohamed Sherif Ismail Negm
Schistosomiasis mansoni is considered one of the most common fibrotic diseases resulting from inflammation and deposition of fibrous tissue around parasitic eggs trapped in the liver, causing morbidity and mortality. Chemotherapy against schistosomiasis is largely dependent on Praziquantel (PZQ). Yet, the huge administration of it in endemic areas and its incompetence towards the immature stages have raised serious alarms against the development of drug resistance. Few drugs are directed to reverse schistosomal liver fibrosis, particularly at the chronic and advanced stages of the disease...
January 10, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29330836/pathogenesis-of-non-alcoholic-fatty-liver-disease-mediated-by-yap
#2
Ping Chen, Qihui Luo, Chao Huang, Qi Gao, Like Li, Jingfei Chen, Bing Chen, Wentao Liu, Wen Zeng, Zhengli Chen
OBJECTIVE: This study aimed to investigate the mechanism of the interaction between Yes-associated protein (YAP) and transforming growth factor-β (TGF-β)/Smad signaling pathways in the development of non-alcoholic fatty liver disease (NAFLD). METHODS: Serum samples of monkeys with biopsy-proven NAFLD and healthy normal monkeys were used to measure fasting plasma glucose (FPG), low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglyceride (TG) and albumin (ALB) with the BECKMAN CX5 PRO...
January 12, 2018: Hepatology International
https://www.readbyqxmd.com/read/29329052/efficient-and-cost-effective-generation-of-hepatocyte-like-cells-through-microparticle-mediated-delivery-of-growth-factors-in-a-3d-culture-of-human-pluripotent-stem-cells
#3
Zeinab Heidariyan, Mohammad Hossein Ghanian, Mohsen Ashjari, Zahra Farzaneh, Mostafa Najarasl, Mehran Rezaei Larijani, Abbas Piryaei, Massoud Vosough, Hossein Baharvand
Biomedical application of human pluripotent stem cell-derived hepatocyte-like cells (hPSC-HLCs) relies on efficient large-scale differentiation, which is commonly performed by a suspension culture of three-dimensional (3D) multicellular spheroids in bioreactors. However, this approach requires large amounts of growth factors (GFs) and the need to overcome limited diffusional transport posed by the inherent 3D structure of hPSC spheroids. Here, we have hypothesized that localized delivery of GFs by incorporation of GF-laden degradable polymeric microparticles (MPs) within the hPSC spheroids would circumvent such limitations...
January 2, 2018: Biomaterials
https://www.readbyqxmd.com/read/29328449/bioinformatics-analysis-to-screen-key-genes-implicated-in-the-differentiation-of-induced-pluripotent-stem-cells-to-hepatocytes
#4
Rui Lin, Yufeng Wang, Kun Ji, Zhongyan Liu, Shuai Xiao, Dehua Zhou, Quanning Chen, Baomin Shi
Due to the lack of potential organs, hepatocellular transplantation has been considered for treating end-stage liver disease. Induced pluripotent stem cells (iPSCs) are reverted from somatic cells and are able to differentiate into hepatocytes. The present study aimed to investigate the mechanisms underlying iPSC differentiation to hepatocytes. GSE66076 was downloaded from the Gene Expression Omnibus; this database includes data from 3 undifferentiated (T0), 3 definitive endoderm (T5), and 3 early hepatocyte (T24) samples across hepatic‑directed differentiation of iPSCs...
January 5, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328070/nerve-growth-factor-upregulates-sirtuin-1-expression-in-cholestasis-a-potential-therapeutic-target
#5
Ming-Shian Tsai, Po-Huang Lee, Cheuk-Kwan Sun, Ting-Chia Chiu, Yu-Chun Lin, I-Wei Chang, Po-Han Chen, Ying-Hsien Kao
This study investigated the regulatory role of nerve growth factor (NGF) in sirtuin 1 (SIRT1) expression in cholestatic livers. We evaluated the expression of NGF and its cognate receptors in human livers with hepatolithiasis and the effects of NGF therapy on liver injury and hepatic SIRT1 expression in a bile duct ligation (BDL) mouse model. Histopathological and molecular analyses showed that the hepatocytes of human diseased livers expressed NGF, proNGF (a precursor of NGF), TrkA and p75NTR, whereas only p75NTR was upregulated in hepatolithiasis, compared with non-hepatolithiasis livers...
January 12, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29323053/roles-of-neural-stem-cells-in-the-repair-of-peripheral-nerve-injury
#6
REVIEW
Chong Wang, Chang-Feng Lu, Jiang Peng, Cheng-Dong Hu, Yu Wang
Currently, researchers are using neural stem cell transplantation to promote regeneration after peripheral nerve injury, as neural stem cells play an important role in peripheral nerve injury repair. This article reviews recent research progress of the role of neural stem cells in the repair of peripheral nerve injury. Neural stem cells can not only differentiate into neurons, astrocytes and oligodendrocytes, but can also differentiate into Schwann-like cells, which promote neurite outgrowth around the injury...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29322249/mir-375-inhibits-the-hepatocyte-growth-factor-elicited-migration-of-mesenchymal-stem-cells-by-downregulating-akt-signaling
#7
Lihong He, Xianyao Wang, Naixin Kang, Jianwei Xu, Nan Dai, Xiaojing Xu, Huanxiang Zhang
The migration of mesenchymal stem cells (MSCs) is critical for their use in cell-based therapies. Accumulating evidence suggests that microRNAs are important regulators of MSC migration. Here, we report that the expression of miR-375 was downregulated in MSCs treated with hepatocyte growth factor (HGF), which strongly stimulates the migration of these cells. Overexpression of miR-375 decreased the transfilter migration and the migration velocity of MSCs triggered by HGF. In our efforts to determine the mechanism by which miR-375 affects MSC migration, we found that miR-375 significantly inhibited the activation of Akt by downregulating its phosphorylation at T308 and S473, but had no effect on the activity of mitogen-activated protein kinases...
January 10, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29321335/serum-hepatocyte-growth-factor-is-probably-associated-with-3-month-prognosis-of-acute-ischemic-stroke
#8
Zhengbao Zhu, Tan Xu, Daoxia Guo, Xinfeng Huangfu, Chongke Zhong, Jingyuan Yang, Aili Wang, Chung-Shiuan Chen, Yanbo Peng, Tian Xu, Jinchao Wang, Yingxian Sun, Hao Peng, Qunwei Li, Zhong Ju, Deqin Geng, Jing Chen, Yonghong Zhang, Jiang He
BACKGROUND AND PURPOSE: Serum hepatocyte growth factor (HGF) is positively associated with poor prognosis of heart failure and myocardial infarction, and it can also predict the risk of ischemic stroke in population. The goal of this study was to investigate the association between serum HGF and prognosis of ischemic stroke. METHODS: A total of 3027 acute ischemic stroke patients were included in this post hoc analysis of the CATIS (China Antihypertensive Trial in Acute Ischemic Stroke)...
January 10, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29320834/-the-role-and-mechanism-of-mesenchymal-stem-cell-in-modulating-human-pulmonary-microvascule-endothelial-cell-permeability-via-paracrine-hepatocyte-growth-factor
#9
Q H Chen, R Q Zheng, H L Wang, Y Yang, H B Qiu
Objective: To explore the role and mechanism of mesenchymal stem cell (MSC) in modulating human pulmonary microvascular endothelial cell (HPMECs) permeability via hepatocyte growth factor (HGF). Methods: The study introduced a co-cultured model between HPMECs and human mesenchymal stem cell conditioned media (MSC-CM) collected from MSCs after 24 h hypoxia culture, and meanwhile HGF was neutralized in MSC-CM by anti-HGF antibody respectively, followed by lipopolysaccharide (LPS) stimulation. Finally, the following measurements were performed: the permeability of HPMECs, the protein expression of vascular endothelial cadherin (VE-cadherin), Occludin in HPMECs by Western blot, HPMECs apoptosis by Annexin V-FITC/PI and HPMECs proliferation by 3-(4, 5)-dimethylthiahiazo (-z-y1)-3, 5-di- phenytetrazoliumromide(MTT)...
November 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29315687/patterning-of-the-hepato-pancreatobiliary-boundary-by-bmp-reveals-heterogeneity-within-the-murine-liver-bud
#10
Amrita Palaria, Jesse R Angelo, Taylor Guertin, Jesse Mager, Kimberly D Tremblay
During development, the endoderm initiates organ-restricted gene expression patterns in a spatiotemporally controlled manner. This process, termed induction, requires signals from adjacent mesodermal derivatives. Fibroblast Growth Factor (FGF) and Bone Morphogenetic Protein (BMP) emanating from the cardiac mesoderm and the septum transversum mesenchyme (STM), respectively, are believed to be simultaneously and uniformly required to directly induce hepatic gene expression from the murine endoderm. Using small molecule inhibitors of BMP signals during liver bud induction in the developing mouse embryo, we find that BMP signaling is not uniformly required to induce hepatic gene expression...
January 5, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29314204/telmisartan-ameliorates-vascular-endothelial-dysfunction-in-coronary-slow-flow-phenomenon-csfp
#11
Zhe Jin, Qindong Tan, Bei Sun
Coronary slow flow phenomenon (CSFP) is a coronary microvascular disorder with an increasing morbidity, and currently, available therapies are of limited clinical value for its cure. Hence, it is urgent to find a novel approach to CSFP treatment. Several studies show that endothelial dysfunction plays a critical role in the aetiology of CSFP. Telmisartan (TMST) is a clinically available anti-hypertensive medicine and has shown its potential properties for improving vascular endothelial function. Thus, we aimed to investigate the effect of TMST on endothelial dysfunction in CSFP, Endothelial-dependent flow-mediated vasodilation, serum levels of nitric oxide, adiponectin, and endothelin-1 were surveyed before and after 3 months of TMST treatment...
January 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29311569/hepatic-dysfunction-and-thrombocytopenia-induced-by-excess-sflt1-in-mice-lacking-endothelial-nitric-oxide-synthase
#12
Yuji Oe, Mieko Ko, Tomofumi Fushima, Emiko Sato, S Ananth Karumanchi, Hiroshi Sato, Junichi Sugawara, Sadayoshi Ito, Nobuyuki Takahashi
Liver dysfunction is a major problem in patients with severe preeclampsia (PE), hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome, or in patients receiving anti-vascular endothelial growth factor (VEGF) therapy. Excessive soluble fms-like tyrosine kinase 1 (sFlt1) that antagonizes VEGF has been implicated in the pathogenesis of PE. VEGF increases the expression of endothelial nitric oxide synthase (eNOS) and activates it. eNOS polymorphisms that cause reduced NO production are associated with PE...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29308696/early-pregnancy-protein-multiplex-screening-reflects-circulating-and-urinary-divergences-associated-with-the-development-of-preeclampsia
#13
Margarita L Martinez-Fierro, Claudia Castruita-De La Rosa, Idalia Garza-Veloz, Rosa M Cardiel-Hernandez, Marcela A Espinoza-Juarez, Ivan Delgado-Enciso, Maria E Castañeda-Lopez, Edith Cardenas-Vargas, Fabiola Trejo-Vázquez, Elma I Sotelo-Ham, Rodrigo Castañeda-Miranda, Miguel A Cid-Baez, Jose M Ortiz-Rodriguez, Luis O Solis-Sanchez, Angelica Garcia Aviles, Yolanda Ortiz-Castro
BACKGROUND: Preeclampsia, a pregnancy disorder characterized by hypertension and proteinuria, represents the leading cause of fetal and maternal morbidity and mortality in developing countries. The identification of novel and accurate biomarkers that are predictive of preeclampsia is necessary to improve the prognosis of patients with preeclampsia. OBJECTIVE: To evaluate the preeclampsia predictive value of 34 angiogenic-related proteins. METHODS: We performed a nested cohort case-control study of pregnant women...
January 8, 2018: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/29304284/-n-hydroxycarbonylbenylamino-quinolines-as-selective-histone-deacetylase-6-inhibitors-suppress-growth-of-multiple-myeloma-in-vitro-and-in-vivo
#14
Hsueh-Yun Lee, Kunal Nepali, Fang-I Huang, Chih-Yi Chang, Mei-Jung Lai, Yu-Hsuan Li, Hsiang-Ling Huang, Chia-Ron Yang, Jing-Ping Liou
A series of bicyclic arylamino/heteroarylamino hydroxamic acids (7-31) have been examined as novel histone deacetylase 6 (HDAC6) inhibitors. One compound (13) exhibits remarkable inhibitory activity of HDAC6 with an IC50 value of 0.29 nM, which is 4000-43000 times more selective over other HDAC isoforms. Compound 13 was shown to have antiproliferative activity against human multiple myeloma RPMI 8226, U266, and NCI-H929 cells with no effect on normal bone marrow cells. Compound 13, as a single drug, suppresses the growth of tumors by a %TGI factor of 60...
January 5, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29301867/protease-signaling-regulates-apical-cell-extrusion-cell-contacts-and-proliferation-in-epithelia
#15
Antonino Schepis, Adrian Barker, Yoga Srinivasan, Eaman Balouch, Yaowu Zheng, Ian Lam, Hilary Clay, Chung-Der Hsiao, Shaun R Coughlin
Mechanisms that sense and regulate epithelial morphogenesis, integrity, and homeostasis are incompletely understood. Protease-activated receptor 2 (Par2), the Par2-activating membrane-tethered protease matriptase, and its inhibitor, hepatocyte activator inhibitor 1 (Hai1), are coexpressed in most epithelia and may make up a local signaling system that regulates epithelial behavior. We explored the role of Par2b in matriptase-dependent skin abnormalities in Hai1a-deficient zebrafish embryos. We show an unexpected role for Par2b in regulation of epithelial apical cell extrusion, roles in regulating proliferation that were opposite in distinct but adjacent epithelial monolayers, and roles in regulating cell-cell junctions, mobility, survival, and expression of genes involved in tissue remodeling and inflammation...
January 4, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29298619/developing-a-cost-effective-and-scalable-production-of-human-hepatic-competent-endoderm-from-size-controlled-pluripotent-stem-cell-aggregates
#16
Zahra Farzaneh, Mostafa Najarasl, Saeed Abbasalizadeh, Massoud Vosough, Hossein Baharvand
Dynamic suspension culture of human pluripotent stem cells (hPSCs) in stirred bioreactors provides a valuable scalable culture platform for integrated differentiation toward different lineages for potential research and therapeutic applications. However, current protocols for scalable and integrated differentiation of hPSCs limited due to high cost of growth factors and technical challenges. Here, hPSCs aggregates primed with 6 and 12 µM of CHIR99021 (CHIR), a Wnt agonist, in combination with different concentrations of high cost Activin A (10, 25, 50, 100 ng/ml)...
January 3, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29296725/replenishing-exosomes-from-older-bone-marrow-stromal-cells-with-mir-340-inhibits-myeloma-related-angiogenesis
#17
Tomohiro Umezu, Satoshi Imanishi, Kenko Azuma, Chiaki Kobayashi, Seiichiro Yoshizawa, Kazuma Ohyashiki, Junko H Ohyashiki
The study of bone marrow stromal cells (BMSCs) and the exosomes they secrete is considered promising for cancer therapy. However, little is known about the effect of donor age on BMSCs. In the present study, we investigated the therapeutic potential of BMSC exosomes derived from donors of different ages using an in vivo model of hypoxic bone marrow in multiple myeloma (MM). We found that donor age was strongly related to senescent changes in BMSCs. Exosomes derived from young BMSCs significantly inhibited MM-induced angiogenesis in Matrigel plugs...
May 23, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296173/extracellular-superoxide-dismutase-inhibits-hepatocyte-growth-factor-mediated-breast-cancer-fibroblast-interactions
#18
Briana Ormsbee Golden, Brandon Griess, Shakeel Mir, Matthew Fitzgerald, Charlotte Kuperwasser, Frederick Domann, Melissa Teoh-Fitzgerald
We have previously shown tumor suppressive effects of extracellular superoxide dismutase, EcSOD in breast cancer cells. In this study, an RTK signaling array revealed an inhibitory effect of EcSOD on c-Met phosphorylation and its downstream kinase c-Abl in MDA-MB231 cells. Moreover, an extracellular protein array showed that thrombospondin 1 (TSP-1), a scavenger of the c-Met ligand, hepatocyte growth factor (HGF) is significantly up-regulated in EcSOD overexpressing cells (Ec.20). We further determined the effects of EcSOD on HGF/c-Met-mediated cancer-fibroblast interactions by co-culturing normal fibroblasts (RMF) or RMF which overexpresses HGF (RMF-HGF) with MDA-MB231 cells...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29295856/fgf21-induced-by-carbon-monoxide-mediates-metabolic-homeostasis-via-the-perk-atf4-pathway
#19
Yeonsoo Joe, Sena Kim, Hyo Jeong Kim, Jeongmin Park, Yingqing Chen, Hyeok-Jun Park, Seung-Joo Jekal, Stefan W Ryter, Uh Hyun Kim, Hun Taeg Chung
The prevalence of metabolic diseases, including type 2 diabetes, obesity, and cardiovascular disease, has rapidly increased, yet the molecular mechanisms underlying the metabolic syndrome, a primary risk factor, remain incompletely understood. The small, gaseous molecule carbon monoxide (CO) has well-known anti-inflammatory, antiproliferative, and antiapoptotic effects in a variety of cellular- and tissue-injury models, whereas its potential effects on the complex pathways of metabolic disease remain unknown...
January 2, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29291022/nfe2l2-nrf2-silencing-inducible-mir-206-targets-c-met-egfr-and-suppresses-bcrp-abcg2-in-cancer-cells
#20
Bo-Hyun Choi, Da Young Ryu, In-Geun Ryoo, Mi-Kyoung Kwak
The nuclear factor (erythroid-derived 2)-like 2 (NFE2L2/NRF2) plays a critical role in the expression of multiple antioxidant and detoxifying enzymes. Herein, we provide evidence of the molecular links between NRF2 and oncogenic signaling hepatocyte growth factor receptor (HGFR/c-MET) and epidermal growth factor receptor (EGFR). Interfering RNA-induced stable inhibition of NRF2 in ovarian carcinoma SKOV3 and renal carcinoma A498 reduced the levels of c-MET and EGFR. MicroRNA-206 (miR-206) that was increased in both NRF2-silenced cells was predicted as a dual regulator of c-MET and EGFR...
December 5, 2017: Oncotarget
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