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Hepatic stem cell

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https://www.readbyqxmd.com/read/28938703/evaluation-of-thromboelastometry-parameters-as-predictive-markers-for-sinusoidal-obstruction-syndrome-in-patients-undergoing-allogeneic-stem-cell-transplantation-for-acute-leukaemia
#1
Joanna Rupa-Matysek, Lidia Gil, Ewelina Wojtasińska, Zuzanna Kanduła, Adam Nowicki, Magdalena Matuszak, Mieczysław Komarnicki
Hepatic sinusoidal obstruction syndrome (previously named veno-occlusive disease, SOS/VOD) is a serious complication of allogeneic stem cell transplantation (HSCT). Early identification of patients at risk of SOS/VOD may possibly improve the outcome and reduce mortality. Rotation thromboelastometry (ROTEM) is global assay allowing for the precise assessment of both bleeding and thrombotic conditions, however, its usefulness in patients undergoing HSCT for acute leukaemia has not been studied. We evaluated the thromboelastometry parameters in patients undergoing allogeneic HSCT for acute leukaemia to identify candidate biomarkers of SOS/VOD occurrence...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28934733/exosomes-from-human-induced-pluripotent-stem-cell-derived-mesenchymal-stromal-cells-hipsc-mscs-protect-liver-against-hepatic-ischemia-reperfusion-injury-via-activating-sphingosine-kinase-and-sphingosine-1-phosphate-signaling-pathway
#2
Yingdong Du, Dawei Li, Conghui Han, Haoyu Wu, Longmei Xu, Ming Zhang, Jianjun Zhang, Xiaosong Chen
BACKGROUND/AIMS: This study aimed to evaluate the effects of exosomes produced by human-induced pluripotent stem cell-derived mesenchymal stromal cells (hiPSC-MSCs-Exo) on hepatic ischemia-reperfusion (I/R) injury, as well as the underlying mechanisms. METHODS: Exosomes derived from hiPSC-MSCs were isolated and characterized both biochemically and biophysically. hiPSC-MSCs-Exo were injected systemically into a murine ischemia/reperfusion injury model via the inferior vena cava, and then the therapeutic effects were evaluated...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934311/characteristics-and-risk-of-chronic-graft-versus-host-disease-of-liver-in-allogeneic-hematopoietic-stem-cell-transplant-recipients
#3
Chien-Ting Chen, Chun-Yu Liu, Yuan-Bin Yu, Chia-Jen Liu, Liang-Tsai Hsiao, Jyh-Pyng Gau, Tzeon-Jye Chiou, Jing-Hwang Liu, Yao-Chung Liu
Chronic graft-versus-host-disease (cGvHD) is a serious complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Among various organ-specific cGvHD, the cGvHD of liver is less well-characterized. In this study, we applied the National Institutes of Health 2014 scoring criteria of cGvHD to analyze a retrospective cohort of 362 allo-HSCT recipients focusing on cGvHD of liver. The overall incidence of liver cGvHD with a score of 3 by 1.5 years post-transplant was 5.8% (21/362). Poor outcome, in terms of overall survival (OS), were observed in patients with scores of 3 liver cGvHD, comparing to those with scores less than 3 (hazard ratio [HR] 2...
2017: PloS One
https://www.readbyqxmd.com/read/28930164/liver-cancer-molecular-characterization-clonal-evolution-and-cancer-stem-cells
#4
REVIEW
Germana Castelli, Elvira Pelosi, Ugo Testa
Liver cancer is the second most common cause of cancer-related death. The major forms of primary liver cancer are hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA). Both these tumors develop against a background of cirrhotic liver, non-alcoholic fatty liver disease, chronic liver damage and fibrosis. HCC is a heterogeneous disease which usually develops within liver cirrhosis related to various etiologies: hepatitis B virus (HBV) infection (frequent in Asia and Africa), hepatitis C virus (HCV), chronic alcohol abuse, or metabolic syndrome (frequent in Western countries)...
September 20, 2017: Cancers
https://www.readbyqxmd.com/read/28926118/chop-induced-loss-of-intestinal-epithelial-stemness-contributes-to-bile-duct-ligation-induced-cholestatic-liver-injury
#5
Runping Liu, Xiaojiaoyang Li, Zhiming Huang, Derrick Zhao, Bhagyalaxmi Sukka Ganesh, Guanhua Lai, William M Pandak, Phillip B Hylemon, Jasmohan S Bajaj, Arun J Sanyal, Huiping Zhou
Impaired intestinal barrier function promotes the progression of various liver diseases including cholestatic liver disease. The close association of primary sclerosing cholangitis (PSC) with inflammatory bowel disease highlights the importance of the gut-liver axis. It has been reported that bile duct ligation (BDL)-induced liver fibrosis is significantly reduced in C/EBP homologous protein knock out (CHOP(-/-) ) mice. However, the underlying mechanisms remain unclear. In the current study, we demonstrate that BDL induces striking and acute hepatic ER stress responses after 1 day, which return to normal after 3 days...
September 19, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28917627/molecular-and-functional-characterization-of-cd133-stem-progenitor-cells-infused-in-patients-with-end-stage-liver-disease-reveals-their-interplay-with-stromal-liver-cells
#6
Lucia Catani, Daria Sollazzo, Elisa Bianchi, Marilena Ciciarello, Chiara Antoniani, Licia Foscoli, Paolo Caraceni, Ferdinando Antonino Giannone, Maurizio Baldassarre, Rosaria Giordano, Tiziana Montemurro, Elisa Montelatici, Antonia D'Errico, Pietro Andreone, Valeria Giudice, Antonio Curti, Rossella Manfredini, Roberto Massimo Lemoli
BACKGROUND AIMS: Growing evidence supports the therapeutic potential of bone marrow (BM)-derived stem/progenitor cells for end-stage liver disease (ESLD). We recently demonstrated that CD133(+) stem/progenitor cell (SPC) reinfusion in patients with ESLD is feasible and safe and improve, albeit transiently, liver function. However, the mechanism(s) through which BM-derived SPCs may improve liver function are not fully elucidated. METHODS: Here, we characterized the circulating SPCs compartment of patients with ESLD undergoing CD133(+) cell therapy...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28903370/human-mesenchymal-stem-cells-preferentially-migrate-toward-highly-oncogenic-human-hepatocellular-carcinoma-cells-with-activated-epcam-signaling
#7
Berwini Endaya, Shou P Guan, Jennifer P Newman, Hung Huynh, Kian C Sia, Siao T Chong, Catherine Y L Kok, Alexander Y F Chung, Bin B Liu, Kam M Hui, Paula Y P Lam
The epithelial cell adhesion molecule (EpCAM) is a type I transmembrane glycoprotein that is regarded as one of the markers for tumor initiating cells (TIC) in human hepatocellular carcinoma (HCC). Much work has been directed towards targeting these TICs as a mean of placing these master regulators of cell proliferation and drug resistance under control. Human bone marrow-derived mesenchymal stem cells are known to exhibit an innate property of tumor tropism. However, the possible relationship between MSC and TIC is not well understood...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903311/development-of-hepatoma-derived-bidirectional-oval-like-cells-as-a-model-to-study-host-interactions-with-hepatitis-c-virus-during-differentiation
#8
Masahiko Ito, Suofeng Sun, Takasuke Fukuhara, Ryosuke Suzuki, Miho Tamai, Toyohiko Yamauchi, Kenji Nakashima, Yoh-Ichi Tagawa, Shigetoshi Okazaki, Yoshiharu Matsuura, Takaji Wakita, Tetsuro Suzuki
Directed differentiation of human stem cells including induced pluripotent stem cells into hepatic cells potentially leads to acquired susceptibility to hepatitis C virus (HCV) infection. However, cellular determinants that change their expression during cell reprogramming or hepatic differentiation and are pivotal for supporting the HCV life cycle remain unclear. In this study, by introducing a set of reprogramming factors, we established HuH-7-derived oval-like cell lines, Hdo-17 and -23, which possess features of bipotential liver precursors...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28894525/evaluation-of-cd44-and-cd133-as-markers-of-liver-cancer-stem-cells-in-egyptian-patients-with-hcv-induced-chronic-liver-diseases-versus-hepatocellular-carcinoma
#9
Mohammed Saeed Rozeik, Olfat Ali Hammam, Ali Ibrahim Ali, Mona Magdy, Heba Khalil, Amgad Anas, Ahmed Abdelaleem Abo El Hassan, Ali Abdel Rahim, Ahmed Ibrahim El-Shabasy
BACKGROUND: Cancer stem cells (CSCs) play a critical role in tumor development, progression, metastasis and recurrence. AIM: To evaluate hepatic expression of CD44 and CD133 in Egyptian patients with HCV-induced chronic liver diseases and hepatocellular carcinomas (HCCs), and to assess its correlation with inflammatory activity scores, stages of fibrosis (in chronic hepatitis with or without cirrhosis) and grades of HCC. METHODS: This prospective case-control study was conducted on eighty subjects who attended the Tropical Diseases Department, Al-Azhar University Hospital, and in collaboration with Theodor Bilharz Research Institute (2014-2016)...
July 2017: Electronic Physician
https://www.readbyqxmd.com/read/28893653/hepatitis-c-virus-induced-innate-immune-responses-in-human-ips-cell-derived-hepatocyte-like-cells
#10
Fuminori Sakurai, Takemaru Kunito, Kazuo Takayama, Rina Hashimoto, Masashi Tachibana, Naoya Sakamoto, Takaji Wakita, Hiroyuki Mizuguchi
Hepatitis C virus (HCV) infection is a major cause of liver-related morbidity and mortality. In order to develop effective remedies for hepatitis C, it is important to understand the HCV infection profile and host-HCV interaction. HCV-induced innate immune responses play a crucial role in spontaneous HCV clearance; however, HCV-induced innate immune responses have not been fully evaluated in hepatocytes, partly because there are few in vitro models of HCV-induced innate immunity. Recently, human induced pluripotent stem (iPS) cells have received much attention as an in vitro model of infection with various pathogens, including HCV...
September 9, 2017: Virus Research
https://www.readbyqxmd.com/read/28891399/response-of-human-fetal-liver-progenitor-cell-types-to-temperature-and-ph-stresses-in-vitro
#11
Eva Schmelzer, Hubert G Foka, Robert L Thompson, Angelo Luca, Bruno Gridelli, Jörg C Gerlach
Prolonged physiological stresses including abnormal pH and temperature are deleterious. Yet, human hepatic progenitors have been shown to be quite tolerant of temporary temperature stress such as in cold ischemia. We aimed to identify how various stresses affect liver progenitors, and to determine whether distinct effects exist on different progenitor cells of the human liver. Total fetal liver cells were exposed to low (25°C), normal (37°C), or high (40°C) temperatures, or low (6.76), normal (7.35), or high (7...
September 11, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28891216/the-cd45-fraction-in-murine-adipose-tissue-derived-stromal-cells-harbor-immune-inhibitory-inflammatory-cells
#12
Alessandro Nasti, Yoshio Sakai, Akihiro Seki, Geraldine Belen Buffa, Takuya Komura, Hatsune Mochida, Masatoshi Yamato, Keiko Yoshida, Tuyen T B Ho, Masayuki Takamura, Soichiro Usui, Takashi Wada, Masao Honda, Shuichi Kaneko
Stromal cells in adipose tissue are useful for repair/regenerative therapy as they harbor a substantial number of mesenchymal stem cells; therefore, freshly isolated autologous uncultured adipose tissue-derived stromal cells (u-ADSCs) are useful for regenerative therapy, and obviate the need for mesenchymal stem cells. We evaluated the therapeutic effect of murine u-ADSCs and sorted subsets of u-ADSCs in a concanavalin A (ConA)-induced murine model of hepatitis, as well as their characteristics. We found that 10% to 20% of u-ADSCs expressed the CD45 leukocyte-related antigen...
September 11, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28884164/ecoao-a-simple-system-for-the-study-of-human-aldehyde-oxidases-role-in-drug-metabolism
#13
Erickson M Paragas, Sara C Humphreys, Joshua Min, Carolyn A Joswig-Jones, Silke Leimkühler, Jeffrey P Jones
Although aldehyde oxidase (AO) is an important hepatic drug-metabolizing enzyme, it remains understudied and is consequently often overlooked in preclinical studies, an oversight that has resulted in the failure of multiple clinical trials. AO's preclusion to investigation stems from the following: (1) difficulties synthesizing metabolic standards due to the chemospecificity and regiospecificity of the enzyme and (2) significant inherent variability across existing in vitro systems including liver cytosol, S9 fractions, and primary hepatocytes, which lack specificity and generate discordant expression and activity profiles...
August 31, 2017: ACS Omega
https://www.readbyqxmd.com/read/28883977/management-of-plasmodium-vivax-risk-and-illness-in-travelers
#14
EDITORIAL
J Kevin Baird
Malaria poses an exceptionally complex problem for providers of travel medicine services. Perceived high risk of exposure during travel typically prompts prescribing protective antimalarial drugs. Suppressive chemoprophylactic agents have dominated strategy for that practice for over 70 years. This broad class of therapeutic agents kills parasites after they emerge from the liver and attempt development in red blood cells. The dominance of suppressive chemoprophylaxis in travel medicine stems largely from the view of Plasmodium falciparum as the utmost threat to the patient - these drugs are poorly suited to preventing Plasmodium vivax and Plasmodium ovale due to inactivity against the latent liver stages of these species not produced by P...
2017: Tropical Diseases, Travel Medicine and Vaccines
https://www.readbyqxmd.com/read/28878671/a-pilot-study-evaluating-the-safety-of-intravenously-administered-human-amnion-epithelial-cells-for-the-treatment-of-hepatic-fibrosis
#15
Rebecca Lim, Alexander Hodge, Gregory Moore, Euan M Wallace, William Sievert
Liver cirrhosis is the 6th leading cause of death in adults aged 15-59 years in high-income countries. For many who progress to cirrhosis, the only prospect for survival is liver transplantation. While there is some indication that mesenchymal stem cells may be useful in reversing established liver fibrosis, there are limitations to their widespread use - namely their rarity, the need for extensive serial passaging and the associated potential for genomic instability and cellular senescence. To this end, we propose the use of allogeneic amnion epithelial cells...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28878125/human-hepatic-organoids-for-the-analysis-of-human-genetic-diseases
#16
Yuan Guan, Dan Xu, Phillip M Garfin, Ursula Ehmer, Melissa Hurwitz, Greg Enns, Sara Michie, Manhong Wu, Ming Zheng, Toshihiko Nishimura, Julien Sage, Gary Peltz
We developed an in vitro model system where induced pluripotent stem cells (iPSCs) differentiate into 3-dimensional human hepatic organoids (HOs) through stages that resemble human liver during its embryonic development. The HOs consist of hepatocytes, and cholangiocytes, which are organized into epithelia that surround the lumina of bile duct-like structures. The organoids provide a potentially new model for liver regenerative processes, and were used to characterize the effect of different JAG1 mutations that cause: (a) Alagille syndrome (ALGS), a genetic disorder where NOTCH signaling pathway mutations impair bile duct formation, which has substantial variability in its associated clinical features; and (b) Tetralogy of Fallot (TOF), which is the most common form of a complex congenital heart disease, and is associated with several different heritable disorders...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28869588/activation-of-pluripotent-genes-in-hepatic-progenitor-cells-in-the-transition-of-nonalcoholic-steatohepatitis-to-pre-malignant-lesions
#17
Gang Xu, Juan Ye, Xue-Jing Liu, Ning-Ping Zhang, Yi-Ming Zhao, Jia Fan, Xiu-Ping Liu, Jian Wu
Nonalcoholic steatohepatitis is considered as a precancerous condition. However, hepatic carcinogenesis from NASH is poorly understood. This study aims to investigate the activation of pluripotent genes (c-Myc, Oct-4, KLF-4, and Nanog) and morphogenic gene (Gli-1) in hepatic progenitor cells from patient specimens and in an animal model to determine the possibility of normal stem/progenitor cells becoming the origin of NASH-HCC. In this study, expression of pluripotent and morphogenic genes in human NASH-HCC tissues was significantly upregulated compared to adjacent non-tumor liver tissues...
September 4, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28859680/prevalence-of-human-pegivirus-1-and-sequence-variability-of-its-e2-glycoprotein-estimated-from-screening-donors-of-fetal-stem-cell-containing-material
#18
Yakov Vitrenko, Iryna Kostenko, Kateryna Kulebyakina, Khrystyna Sorochynska
BACKGROUND: Human pegivirus-1 (HPgV-1) is a member of the Flaviviridae family whose genomic organization and mode of cellular entry is similar to that of hepatitis C virus (HCV). The E2 glycoprotein of HPgV-1 is the principle mediator in the virus-cell interaction and as such harbors most of HPgV-1's antigenic determinants. HPgV-1 persists in blood cell precursors which are increasingly used for cell therapy. METHODS: We studied HPgV-1 prevalence in a large cohort of females donating fetal tissues for clinical use...
August 31, 2017: Virology Journal
https://www.readbyqxmd.com/read/28857712/a-novel-drug-interaction-between-busulfan-and-blinatumomab
#19
Karen Sweiss, John G Quigley, Annie Oh, Jonathan Lee, Rosa Ye, Damiano Rondelli, Pritesh Patel
Busulfan is an alkylating agent used in pre-transplant conditioning for patients undergoing hematopoietic stem cell transplantation. Several factors contribute to variations in busulfan drug disposition including bioavailability, age, liver function, genetic polymorphisms, and concurrent administration of other drugs. Busulfan is metabolized by hepatic oxidation via the cytochrome P450 3A4 system as well as through conjugation with glutathione. Interactions with drugs such as phenytoin, itraconazole, and metronidazole have been reported to alter busulfan clearance and result in sub- or supra-therapeutic concentrations...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28854223/therapeutic-potential-of-tonsil-derived-mesenchymal-stem-cells-in-dextran-sulfate-sodium-induced-experimental-murine-colitis
#20
Yeonsil Yu, Eun Mi Song, Ko Eun Lee, Yang-Hee Joo, Seong-Eun Kim, Chang Mo Moon, Ha Yeong Kim, Sung-Ae Jung, Inho Jo
The therapeutic potential of tonsil-derived mesenchymal stem cells (TMSC) prepared from human tonsillar tissue has been studied in animal models for several diseases such as hepatic injury, hypoparathyroidism, diabetes and muscle dystrophy. In this study, we examined the therapeutic effects of TMSC in a dextran sulfate sodium (DSS)-induced colitis model. TMSC were injected in DSS-induced colitis mice via intraperitoneal injection twice (TMSC[x2]) or four times (TMSC[x4]). Control mice were injected with either phosphate-buffered saline or human embryonic kidney 293 cells...
2017: PloS One
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