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https://www.readbyqxmd.com/read/28231240/galectin-3-histone-deacetylases-and-hedgehog-signaling-possible-convergent-targets-in-schistosomiasis-induced-liver-fibrosis
#1
REVIEW
Felipe Leite de Oliveira, Katia Carneiro, José Marques Brito, Mariana Cabanel, Jonathas Xavier Pereira, Ligia de Almeida Paiva, Wingkin Syn, Neil C Henderson, Marcia Cury El-Cheikh
Schistosomiasis affects approximately 240 million people in the world. Schistosoma mansoni eggs in the liver induce periportal fibrosis and hepatic failure driven by monocyte recruitment and macrophage activation, resulting in robust Th2 response. Here, we suggested a possible involvement of Galectin-3 (Gal-3), histone deacetylases (HDACs), and Hedgehog (Hh) signaling with macrophage activation during Th1/Th2 immune responses, fibrogranuloma reaction, and tissue repair during schistosomiasis. Gal-3 is highly expressed by liver macrophages (Kupffer cells) around Schistosoma eggs...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28230720/role-of-vitamin-a-retinoic-acid-in-regulation-of-embryonic-and-adult-hematopoiesis
#2
REVIEW
Ana Cañete, Elena Cano, Ramón Muñoz-Chápuli, Rita Carmona
Vitamin A is an essential micronutrient throughout life. Its physiologically active metabolite retinoic acid (RA), acting through nuclear retinoic acid receptors (RARs), is a potent regulator of patterning during embryonic development, as well as being necessary for adult tissue homeostasis. Vitamin A deficiency during pregnancy increases risk of maternal night blindness and anemia and may be a cause of congenital malformations. Childhood Vitamin A deficiency can cause xerophthalmia, lower resistance to infection and increased risk of mortality...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28230260/elevation-of-sharpin-protein-levels-in-prostate-adenocarcinomas-promotes-metastasis-and-impairs-patient-survivals
#3
Hai Huang, Tao Du, Yiming Zhang, Yiming Lai, Kaiwen Li, Xinxing Fan, Dingjun Zhu, Tianxin Lin, Kewei Xu, Jian Huang, Leyuan Liu, Zhenghui Guo
BACKGROUND: SHARPIN, SHANK-associated RH domain interacting protein, associates with a linear ubiquitin chain assembly complex (LUBAC) to regulate inflammation and immunity. It has been reported that SHARPIN is highly expressed in several human tumors including ovarian cancer and liver cancer. We found that SHARPIN is also highly expressed in prostate cancer cell lines of DU145, LNCAP, and PC-3. Suppression of SHARPIN caused an inhibition of NF-κB signal and decreases in tumorigenesis of cultured cells in NOD/SCID mouse model...
February 23, 2017: Prostate
https://www.readbyqxmd.com/read/28229253/the-biology-of-uveal-melanoma
#4
Adriana Amaro, Rosaria Gangemi, Francesca Piaggio, Giovanna Angelini, Gaia Barisione, Silvano Ferrini, Ulrich Pfeffer
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11...
February 22, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28228595/hepatitis-c-virus-specific-t-cell-receptor-mrna-engineered-human-t-cells-impact-of-antigen-specificity-on-functional-properties
#5
Anangi Balasiddaiah, Haleh Davanian, Soo Aleman, Anna Pasetto, Lars Frelin, Matti Sällberg, Volker Lohmann, Sarene Koh, Antonio Bertoletti, Margaret Chen
Therapy with genetically modified autologous T cells has shown great promise in cancer therapy. For an efficient control of hepatitis C virus (HCV) infection, cytotoxic T cells (CTL) are pivotal but persistence of activated T cells may lead to liver toxicity. Here, anti-HCV T cell receptors (TCRs) recognising the HCV non-structural (NS) NS3 or NS5 viral peptide target were examined by mRNA transfection of human peripheral blood lymphocytes (PBL) derived from healthy donors as well as chronically infected HCV patients...
February 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28226323/immune-complex-membranoproliferative-glomerulonephritis-associated-with-transjugular-intrahepatic-portosystemic-shunts-in-alcohol-cirrhosis-two-case-reports
#6
Julio Hernández-Jaras, Jordi Espí-Reig, Rafael Alis, Ana-Maria García-Martínez, Diego Rodríguez-Ortega, Lourdes Roca-Argente, Jose-Luis Moll-Guillen
OBJECTIVE: To report two cases with alcoholic cirrhosis, that were treated with transjugular intrahepatic portosystemic shunt (TIPS) placement. CLINICAL PRESENTATION AND INTERVENTION: The two patients had a history of alcoholic cirrhosis and TIPS surgery was performed on them. In both cases, 4 months after TIPS placement, proteinuria was observed along with histological alterations characteristic of immune complex-MPGN. CONCLUSION: The TIPS in one patient was successful without immediate complication while the other patient was referred for combined liver-kidney transplant...
February 22, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28225753/complement-drives-glucosylceramide-accumulation-and-tissue-inflammation-in-gaucher-disease
#7
Manoj K Pandey, Thomas A Burrow, Reena Rani, Lisa J Martin, David Witte, Kenneth D Setchell, Mary A Mckay, Albert F Magnusen, Wujuan Zhang, Benjamin Liou, Jörg Köhl, Gregory A Grabowski
Gaucher disease is caused by mutations in GBA1, which encodes the lysosomal enzyme glucocerebrosidase (GCase). GBA1 mutations drive extensive accumulation of glucosylceramide (GC) in multiple innate and adaptive immune cells in the spleen, liver, lung and bone marrow, often leading to chronic inflammation. The mechanisms that connect excess GC to tissue inflammation remain unknown. Here we show that activation of complement C5a and C5a receptor 1 (C5aR1) controls GC accumulation and the inflammatory response in experimental and clinical Gaucher disease...
February 22, 2017: Nature
https://www.readbyqxmd.com/read/28224705/the-role-of-exosomes-in-hepatitis-liver-cirrhosis-and-hepatocellular-carcinoma
#8
REVIEW
Jiliang Shen, Chiung-Kuei Huang, Hong Yu, Bo Shen, Yaping Zhang, Yuelong Liang, Zheyong Li, Xu Feng, Jie Zhao, Lian Duan, Xiujun Cai
Exosomes are small vesicles that were initially thought to be a mechanism for discarding unneeded membrane proteins from reticulocytes. Their mediation of intercellular communication appears to be associated with several biological functions. Current studies have shown that most mammalian cells undergo the process of exosome formation and utilize exosome-mediated cell communication. Exosomes contain various microRNAs, mRNAs and proteins. They have been reported to mediate multiple functions, such as antigen presentation, immune escape and tumour progression...
February 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28224023/evaluation-of-liver-cirrhosis-and-hepatocellular-carcinoma-using-protein-protein-interaction-networks
#9
Mohammad Javad Ehsani Ardakani, Akram Safaei, Afsaneh Arefi Oskouie, Hesam Haghparast, Mehrdad Haghazali, Hamid Mohaghegh Shalmani, Hassan Peyvandi, Nosratollah Naderi, Mohammad Reza Zali
AIM: In the current study, we analysised only the articles that investigate serum proteome profile of cirrhosis patients or HCC patients versus healthy controls. BACKGROUND: Increased understanding of cancer biology has enabled identification of molecular events that lead to the discovery of numerous potential biomarkers in diseases. Protein-protein interaction networks is one of aspect that could elevate the understanding level of molecular events and protein connections that lead to the identification of genes and proteins associated with diseases...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28223846/prospect-of-the-use-of-checkpoint-inhibitors-in-hepatocellular-cancer-treatments
#10
REVIEW
Ali Raufi, Maria Tria Tirona
Hepatocellular cancer (HCC) is a very fatal disease due to limited therapeutic options as well as due to its association with underlying chronic liver disease in the majority of cases. The immune evasion in HCC signifies a major barrier to the delivery of effective immunotherapy. Sorafenib is the only Food and Drug Administration-approved drug available with an overall response rate of 2%-3% and overall survival of 2.8 months. Chemotherapy has not been used routinely because of the relative refractoriness of advanced HCC...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28223722/to-screen-or-not-to-screen-celiac-antibodies-in-liver-diseases
#11
REVIEW
Janaína Luz Narciso-Schiavon, Leonardo Lucca Schiavon
Celiac disease (CD) is a systemic immune-mediated disorder triggered by dietary gluten in genetically predisposed individuals. The typical symptoms are anemia, diarrhea, fatigue, weight loss, and abdominal pain. CD has been reported in patients with primary sclerosing cholangitis, primary biliary cholangitis, autoimmune hepatitis, aminotransferase elevations, nonalcoholic fatty liver disease, hepatitis B, hepatitis C, portal hypertension and liver cirrhosis. We evaluate recommendations for active screening for CD in patients with liver diseases, and the effect of a gluten-free diet in these different settings...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28223455/acute-fetal-demise-with-first-trimester-maternal-infection-resulting-from-listeria-monocytogenes-in-a-nonhuman-primate-model
#12
Bryce Wolfe, Gregory J Wiepz, Michele Schotzko, Gennadiy I Bondarenko, Maureen Durning, Heather A Simmons, Andres Mejia, Nancy G Faith, Emmanuel Sampene, Marulasiddappa Suresh, Sophia Kathariou, Charles J Czuprynski, Thaddeus G Golos
Infection with Listeria monocytogenes during pregnancy is associated with miscarriage, preterm birth, and neonatal complications, including sepsis and meningitis. While the risk of these conditions is thought to be greatest during the third trimester of pregnancy, the determinants of fetoplacental susceptibility to infection, the contribution of gestational age, and the in vivo progression of disease at the maternal-fetal interface are poorly understood. We developed a nonhuman primate model of listeriosis to better understand antecedents of adverse pregnancy outcomes in early pregnancy...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28223354/il-1%C3%AE-induced-and-p38-mapk-dependent-activation-of-the-mitogen-activated-protein-kinase-mapk-activated-protein-kinase-mk-2-in-hepatocytes-signal-transduction-with-robust-and-concentration-independent-signal-amplification
#13
Andreas Kulawik, Raphael Engesser, Christian Ehlting, Andreas Raue, Ute Albrecht, Bettina Hahn, Wolf-Dieter Lehmann, Matthias Gaestel, Ursula Klingmüller, Dieter Häussinger, Jens Timmer, Johannes G Bode
The Interleukin (IL)-1β induced activation of the p38(MAPK)/MK2 pathway in hepatocytes is important for the control of acute phase response and regulation of liver regeneration. Many aspects of regulatory relevance of this pathway have been investigated in immune cells in the context of inflammation. However, very little is known about concentration-dependent activation kinetics and signal propagation in hepatocytes and the role of MK2. We established a mathematical model for IL-1β induced activation of the p38(MAPK)/MK2 pathway in hepatocytes that was calibrated to quantitative data on time- and IL-1β concentration-dependent phosphorylation of p38(MAPK) and MK2 in primary mouse hepatocytes...
February 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28223311/single-tumor-initiating-cells-evade-immune-clearance-by-recruiting-type-ii-macrophages
#14
Xiaocan Guo, Yang Zhao, Huan Yan, Yingcheng Yang, Shuying Shen, Xiaoming Dai, Xinyan Ji, Fubo Ji, Xing-Guo Gong, Li Li, Xueli Bai, Xin-Hua Feng, Tingbo Liang, Junfang Ji, Lei Chen, Hongyang Wang, Bin Zhao
Tumor infiltrated type II (M2) macrophages promote tumorigenesis by suppressing immune clearance, promoting proliferation, and stimulating angiogenesis. Interestingly, macrophages were also found to enrich in small foci of altered hepatocytes containing liver tumor-initiating cells (TICs). However, whether and how TICs specifically recruit macrophages and the function of these macrophages in tumor initiation remain unknown due to technical difficulties. In this study, by generating genetically defined liver TICs, we demonstrate that TICs actively recruit M2 macrophages from as early as the single-cell stage...
February 21, 2017: Genes & Development
https://www.readbyqxmd.com/read/28223291/ctrp7-deletion-attenuates-obesity-linked-glucose-intolerance-adipose-tissue-inflammation-and-hepatic-stress
#15
Pia S Petersen, Xia Lei, Risa M Wolf, Susana Rodriguez, Stefanie Y Tan, Hannah C Little, Michael A Schweitzer, Thomas H Magnuson, Kimberley E Steele, G William Wong
Chronic low-grade inflammation and cellular stress are important contributors to obesity-linked metabolic dysfunction. Here, we uncover an immune-metabolic role for C1q/TNF-related protein 7 (CTRP7), a secretory protein of the C1q family with previously unknown function. In obese humans, circulating CTRP7 levels were markedly elevated and positively correlated with BMI, glucose, insulin, insulin resistance index, hemoglobin A1c, and triglyceride levels. Expression of CTRP7 in liver was also significantly upregulated in obese humans and positively correlated with gluconeogenic genes...
February 21, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#16
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28223111/expression-analysis-of-nine-toll-like-receptors-in-yellow-catfish-pelteobagrus-fulvidraco-responding-to-aeromonas-hydrophila-challenge
#17
Xiao-Ting Zhang, Gui-Rong Zhang, Ze-Chao Shi, Yu-Jie Yuan, Huan Zheng, Li Lin, Kai-Jian Wei, Wei Ji
Toll-like receptors (TLRs) are important components of pattern recognition receptors (PRRs), which play significant roles in innate immunity to defense against pathogen invasion. Many TLRs have been found in teleosts, but there are no reports about cloning and expression of TLR genes in yellow catfish (Pelteobagrus fulvidraco). In this study, we analyzed the sequence characters and the relative mRNA expression levels of nine TLRs (TLR1, TLR2, TLR3, TLR4-1, TLR5, TLR7, TLR8-2, TLR9 and TLR22) in different tissues of yellow catfish...
February 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28223110/h2a-and-ca-l-hipposin-gene-characteristic-analysis-and-expression-responses-to-aeromonas-hydrophila-infection-in-carassius-aurutus
#18
Xianghui Kong, Xiangmin Wu, Chao Pei, Jie Zhang, Xianliang Zhao, Li Li, Guoxing Nie, Xuejun Li
Antimicrobial peptide is an important component of the host innate immune system and thus serves a crucial function in host defense against microbial invasion. In this study, H2A and derived antimicrobial peptide Ca-L-hipposin were cloned and characterized in Carassius aurutus. The gene H2A full-length cDNA is 908 bp and includes a 5'-terminal untranslated region (UTR) of 55 bp and a 3'-terminal UTR of 466 bp with a canonical polyadenylation signal sequence AATAA, as well as an open reading frame (ORF) of 387 bp encoding a polypeptide of 128 amino acids, with a molecular weight of 13...
February 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28219981/the-role-of-natural-killer-t-cells-in-a-mouse-model-with-spontaneous-bile-duct-inflammation
#19
Elisabeth Schrumpf, Xiaojun Jiang, Sebastian Zeissig, Marion J Pollheimer, Jarl Andreas Anmarkrud, Corey Tan, Mark A Exley, Tom H Karlsen, Richard S Blumberg, Espen Melum
Natural killer T (NKT) cells are activated by lipid antigens presented by CD1d molecules and represent a major lymphocyte subset of the liver. NODc3c4 mice spontaneously develop biliary inflammation in extra- and intrahepatic bile ducts. We demonstrated by flow cytometry that invariant NKT (iNKT) cells were more abundant in the thymus, spleen, and liver of NODc3c4 mice compared to NOD mice. iNKT cells in NODc3c4 mice displayed an activated phenotype. Further, NOD and NODCd1d(-/-) mice were irradiated and injected with NODc3c4 bone marrow, and injection of NODc3c4 bone marrow resulted in biliary infiltrates independently of CD1d expression in recipient mice...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28219584/outcomes-of-kidney-transplantation-in-patients-exposed-to-hepatitis-b-virus-analysis-by-phase-of-infection
#20
B Chopra, K K Sureshkumar
BACKGROUND: In kidney transplant recipients (KTRs) with hepatitis B virus (HBV) infection, immunosuppression may increase viral replication with increased risk for liver disease progression and HBV-related kidney diseases, factors that could adversely influence graft and patient outcomes. We aimed to analyze the impact of different phases of HBV infection on the outcomes in KTRs. METHODS: Using the Organ Procurement and Transplant Network/United Network for Organ Sharing database, we selected adult KTRs from 2001 to 2011 who received peri-operative antibody induction followed by calcineurin inhibitor/mycophenolate mofetil maintenance with/without steroid...
March 2017: Transplantation Proceedings
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