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Amal Akour, Violet Kasabri, Nailya Boulatova, Yasser Bustanji, Randa Naffa, Dana Hyasat, Nahla Khawaja, Haidar Bustanji, Ayman Zayed, Munther Momani
AIMS: Type 2 diabetes mellitus (T2DM) and prediabetes (pre-DM) are associated with changes in levels of metabolic markers. The main aim of this study is to compare the levels of omentin, irisin, endothelin-1, nesfatin, hepatocyte growth factor (HGF), fibroblast growth factor, and oxytocin (OXT) between normoglycemic and pre-DM/T2DM obese Jordanian patients. METHODS: One hundred and ninety-eight adult Jordanian subjects were recruited. Demographic data and clinical parameters were collected...
October 18, 2016: Acta Diabetologica
Christopher W Mangieri, Jason C McCartt, Matthew A Strode, John E Lowry, Prasad M Balakrishna
BACKGROUND: As hepatic surgery has become safer and more commonly performed, the extent of hepatic resections has increased. When there is not enough expected hepatic reserve to facilitate primary resection of hepatic tumors, a clinical adjunct to facilitating primary resection is portal vein embolization (PVE). PVE allows the hepatic remnant to increase to an appropriate size prior to resection via hepatocyte regeneration; however, PVE is not always successful in facilitating adequate regeneration...
October 17, 2016: Surgical Endoscopy
Laila Rashed, Doaa Mostafa Gharib, Rania Elsayed Hussein, Ola Tork, Azza Abusree
AIM: To study the effect of intravenous injection of bone marrow mesenchymal stem cells (BMMSCs), alone and combined with NO inducer in gastric ulcer healing in a rat model. METHODS: Rats were divided into controls, gastric ulcer, gastric ulcer receiving mesenchymal stem cells (MSCs), gastric ulcer receiving NO inducer (l-Arginine), gastric ulcer receiving MSCs plus NO inducer (l-Arginine) groups. MSCs were given in a dose of (10(6)cells) by intravenous injection...
September 28, 2016: Tissue & Cell
Gabriela M Balarini, Eliana Zandonade, Leandro Tanure, Gilda A Ferreira, Wildner M Sardenberg, Érica V Serrano, Cleia C Dias, Túlio P Navarro, Hilde H Nordal, Piotr M Mydel, Johan G Brun, Karl A Brokstad, Eva Gerdts, Roland Jonsson, Valéria Valim
OBJECTIVES: We aimed to identify the association of carotid atherosclerosis with the traditional risk factors, disease features, cytokine profile, and calprotectin in patients with primary Sjögren's syndrome (pSS). METHODS: 63 primary pSS patients and 63 age- and sex-matched healthy controls underwent carotid ultrasound, clinical and laboratory examination. The presence of carotid plaques was taken as carotid atherosclerosis. The covariates of carotid atherosclerosis were identified in univariate and multivariate regressions...
September 8, 2016: Clinical and Experimental Rheumatology
Manuela Viola, Kathrin Brüggemann, Evgenia Karousou, Ilaria Caon, Elena Caravà, Davide Vigetti, Burkhard Greve, Christian Stock, Giancarlo De Luca, Alberto Passi, Martin Götte
Proteoglycans and glycosaminoglycans modulate numerous cellular processes relevant to tumour progression, including cell proliferation, cell-matrix interactions, cell motility and invasive growth. Among the glycosaminoglycans with a well-documented role in tumour progression are heparan sulphate, chondroitin/dermatan sulphate and hyaluronic acid/hyaluronan. While the mode of biosynthesis differs for sulphated glycosaminoglycans, which are synthesised in the ER and Golgi compartments, and hyaluronan, which is synthesized at the plasma membrane, these polysaccharides partially compete for common substrates...
October 15, 2016: Glycoconjugate Journal
Natàlia Vilà, Jacqueline Coblentz, Carlos Moreira-Neto, Vasco Bravo-Filho, Pablo Zoroquiain, Miguel N Burnier
PURPOSE: To determine whether pretreatment of retinal pigmented epithelial (RPE) cells with lutein can affect the response of cells to bevacizumab therapy. METHODS: One human RPE cell line (ARPE-19) was used for all experiments. The cells were treated with lutein in different concentrations (0.01, 0.1, 1, 10, or 100 μg/ml). After 24 h, all plates were treated with bevacizumab (0.25 mg/ml). Media were harvested 24 h later for sandwich ELISA-based angiogenesis arrays...
October 15, 2016: Ophthalmic Research
Hidenori Fujita, Akira Gomori, Yayoi Fujioka, Yuki Kataoka, Kenji Tanaka, Akihiro Hashimoto, Takamasa Suzuki, Kenjiro Ito, Tomonori Haruma, Hiromi Yamamoto-Yokoi, Naomoto Harada, Motomu Sakuragi, Nobuyuki Oda, Kenichi Matsuo, Masaki Inada, Kazuhiko Yonekura
Approximately 25-40% of patients with lung cancer show bone metastasis. Bone modifying agents reduce skeletal-related events (SREs), but they do not significantly improve overall survival. Therefore, novel therapeutic approaches are urgently required. In this study, we investigated the anti-tumor effect of TAS-115, a VEGFRs and HGF receptor (MET)-targeted kinase inhibitor, in a tumor-induced bone disease model. A549-Luc-BM1 cells, an osteo-tropic clone of luciferase-transfected A549 human lung adenocarcinoma cells (A549-Luc), produced aggressive bone destruction associated with tumor progression after intra-tibial (IT) implantation into mice...
2016: PloS One
Cheng Zhong, Hai-Yang Xie, Lin Zhou, Xiao Xu, Shu-Sen Zheng
BACKGROUND: Because of an increasing discrepancy between the number of potential liver graft recipients and the number of organs available, scientists are trying to create artificial liver to mimic normal liver function and therefore, to support the patient's liver when in dysfunction. 3D printing technique meets this purpose. The present study was to test the feasibility of 3D hydrogel scaffolds for liver engineering. METHODS: We fabricated 3D hydrogel scaffolds with a bioprinter...
October 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
Shuyun Liu, Lanlan Zhang, Jingqiu Cheng, Yanrong Lu, Jingping Liu
Inflammatory response is a major cause of grafts dysfunction in islet transplantation. Hepatocyte growth factor (HGF) had shown anti-inflammatory activity in multiple diseases. In this study, we aim to deliver HGF by self-assembling peptide/heparin (SAP/Hep) hybrid gel to protect β-cell from inflammatory injury. The morphological and slow release properties of SAPs were analyzed. Rat INS-1 β-cell line was treated with tumor necrosis factor α in vitro and transplanted into rat kidney capsule in vivo, and the viability, apoptosis, function, and inflammation of β-cells were evaluated...
2016: International Journal of Nanomedicine
Elizabeth J Bell, Nicholas B Larson, Paul A Decker, James S Pankow, Michael Y Tsai, Naomi Q Hanson, Christina L Wassel, W T Longstreth, Suzette J Bielinski
BACKGROUND AND PURPOSE: Hepatocyte growth factor (HGF) is positively associated with ischemic and hemorrhagic stroke risk factors. However, understanding the relation between HGF and stroke is in its infancy. Therefore, we sought to examine the association of circulating HGF with incident stroke using data from the MESA (Multi-Ethnic Study of Atherosclerosis). We hypothesized that circulating HGF would be positively associated with an increased risk of stroke. METHODS: Participants aged 45 to 84 years (n=6711) had HGF measured between 2000 and 2002 and were followed for incident stroke through 2013 (n=233)...
October 11, 2016: Stroke; a Journal of Cerebral Circulation
Jiang-Rui Guo, Wei Li, Yong Wu, Lin-Qing Wu, Xin Li, Ya-Fei Guo, Xiao-Hui Zheng, Xiao-Lan Lian, Hui-Fang Huang, Yuan-Zhong Chen
This study aims to investigate effects of HGF expression on biological behaviors of Kasumi-1 and HL60. Expression of HGF and c-Met gene were detected using qRT-PCR. Short hairpin RNA (shRNA) was used to reduce HGF expression. Silencing effect of shRNA was verified by qRT-PCR and western blot. Cell reproductive capacity, cell clonality and cell cycle (apoptosis) were detected by CCK-8, clone formation, flow cytometry (FCM), respectively. Cell adhesion, cell invasion ability and cell proliferation were also examined...
2016: American Journal of Translational Research
Shira Toledano, Huayi Lu, Agustina Palacio, Boaz Kigel, Ofra Kessler, Gilad Allon, Yoreh Barak, Gera Neufeld, Shlomit Schaal
Abnormal subretinal choroidal neovascularization (CNV) is a major cause of blindness in exudative age-related macular degeneration (AMD). Current anti-angiogenic treatments by VEGF sequestering agents have been successful, but a significant proportion of patients do not respond well to these treatments, and the response of others diminishes over time, suggesting that additional anti-angiogenic agents that function by separate mechanisms may be of use to such patients. We have previously found that a point mutated form of semaphorin-3E resistant to cleavage by furin like pro-protein convertases (UNCL-Sema3E) displays potent anti-angiogenic properties...
October 7, 2016: Experimental Eye Research
Nasrul Wathoni, Keiichi Motoyama, Taishi Higashi, Maiko Okajima, Tatsuo Kaneko, Hidetoshi Arima
A wound dressing is one of the essential approaches for preventing further harm to cutaneous wounds as well as promoting wound healing. Therefore, to achieve ideal wound healing, the development of advanced dressing materials is necessary. Recently, we revealed that a novel megamolecular polysaccharide, sacran, has potential properties as a biomaterial in a physically cross-linked hydrogel film (HGF) for wound dressing application. In this study, to enhance the wound-healing properties of sacran hydrogel film (Sac-HGF) further, we fabricated and characterized novel Sac-HGFs containing cyclodextrins (CyDs)...
October 6, 2016: International Journal of Biological Macromolecules
Kaja Blagotinšek, Damjana Rozman
BACKGROUND: Hepatocellular carcinoma (HCC) represents the most common malignant liver tumor in humans, which incidence and mortality have increased in Europe and United States in the last years. Most patients are diagnosed at an advanced stage, when it is not amenable to curative therapies, so there is an urgent need for new, more effective therapeutic tools and strategies. The molecular mechanisms of hepatocarinogenesis and HCC progression have been increasingly understood with intense research in recent years...
October 6, 2016: Current Pharmaceutical Design
Hiu-Fung Yuen, Ka-Kui Chan, Angela Platt-Higgins, El-Habib Dakir, Kyle B Matchett, Yusuf Ahmed Haggag, Puthen V Jithesh, Tanwir Habib, Ahmed Faheem, Fennell A Dean, Richard Morgan, Philip S Rudland, Mohamed El-Tanani
It has been shown previously that cancer cells with an activated oncogenic pathway, including Met activation, require Ran for growth and survival.Here, we show that knockdown of Ran leads to a reduction of Met receptor expression in several breast and lung cancer cell lines. This, in turn suppressed HGF expression and the Met-mediated activation of the Akt pathway, as well as cell adhesion, migration, and invasion. In a cell line model where Met amplification has previously been shown to contribute to gefitinib resistance, Ran knockdown sensitized cells to gefitinib-mediated inhibition of Akt and ERK1/2 phosphorylation and consequently reduced cell proliferation...
October 3, 2016: Oncotarget
Zhen Qu, Junhua Wu, Junyi Wu, Dongjun Luo, Chunping Jiang, Yitao Ding
BACKGROUND: Exosomes are carriers of intercellular information and regulate the tumor microenvironment. They play an important role in drug resistance by transporting RNA molecules and proteins. However, their effects on sorafenib resistance in hepatocellular carcinoma (HCC) are not completely understood. METHODS: Exosomes were isolated from two invasive hepatoma cell lines (MHCC-97 L and MHCC-97H), and their roles in regulating sorafenib resistance in liver cancer cells as well as the underlying molecular mechanisms were determined...
September 30, 2016: Journal of Experimental & Clinical Cancer Research: CR
N Kilic-Baygutalp, N Ozturk, E Orsal-Ibisoglu, B Gündogdu, F B Ozgeris, N Bakan, E Bakan, A F Kilic
Cytokeratins are thought to play a role in apoptosis. Cytokeratin 18 (CK18) is involved in the formation of intracellular cytoskeleton, and has been considered a promising apoptosis marker in gastrointestinal carcinomas. Growth factors, including hepatocyte growth factor (HGF), may provide a microenvironment for malignant cells. In this study, we aimed to compare serum HGF and CK18 levels between esophageal squamous cell carcinoma patients and healthy controls. The study included 41 adult patients (20 male, 21 female) diagnosed with esophageal squamous cell carcinoma, with a mean age of 63...
August 29, 2016: Genetics and Molecular Research: GMR
Yetkin Yıldız, Cenk Sokmensuer, Suayib Yalcin
BACKGROUND: Met and HER-2 are proto-oncogenes encoding receptor tyrosine kinase c-Met and HER-2, respectively. Hepatocyte growth factor (HGF) is a ligand of c-Met. The frequency of c-Met, HGF, and HER-2 expressions in gastric cancer and their association with other clinicopathological factors have not been fully understood. PATIENTS AND METHODS: Patients with stage 1-4 disease were analyzed. Expressions of c-Met, HGF, and HER-2 were examined using immunohistochemistry...
2016: OncoTargets and Therapy
Kar Wey Yong, Yuhui Li, Fusheng Liu, Bin Gao, Tian Jian Lu, Wan Abu Bakar Wan Abas, Wan Kamarul Zaman Wan Safwani, Belinda Pingguan-Murphy, Yufei Ma, Feng Xu, Guoyou Huang
Human mesenchymal stem cells (hMSCs) hold great promise in cardiac fibrosis therapy, due to their potential ability of inhibiting cardiac myofibroblast differentiation (a hallmark of cardiac fibrosis). However, the mechanism involved in their effects remains elusive. To explore this, it is necessary to develop an in vitro cardiac fibrosis model that incorporates pore size and native tissue-mimicking matrix stiffness, which may regulate cardiac myofibroblast differentiation. In the present study, collagen coated polyacrylamide hydrogel substrates were fabricated, in which the pore size was adjusted without altering the matrix stiffness...
October 5, 2016: Scientific Reports
Sharad K Mittal, Masahiro Omoto, Afsaneh Amouzegar, Anuradha Sahu, Alexandra Rezazadeh, Kishore R Katikireddy, Dhvanit I Shah, Srikant K Sahu, Sunil K Chauhan
Transparency of the cornea is indispensable for optimal vision. Ocular trauma is a leading cause of corneal opacity, leading to 25 million cases of blindness annually. Recently, mesenchymal stem cells (MSCs) have gained prominence due to their inflammation-suppressing and tissue repair functions. Here, we investigate the potential of MSCs to restore corneal transparency following ocular injury. Using an in vivo mouse model of ocular injury, we report that MSCs have the capacity to restore corneal transparency by secreting high levels of hepatocyte growth factor (HGF)...
October 11, 2016: Stem Cell Reports
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