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https://www.readbyqxmd.com/read/29679871/groundwater-chemistry-and-human-health-risk-assessment-in-the-mining-region-of-east-singhbhum-jharkhand-india
#1
Umesh Kumar Singh, A L Ramanathan, V Subramanian
Groundwater chemistry of mining region of East Singhbhum district having complex contaminant sources were investigated based on heavy metals loads and other hydrochemical constituents. This study aimed to identify the degree of heavy metals exposure and their potential health risk to local population. The results of hydrochemical analysis showed that Na+ , K+ , and Ca2+ ions are the dominant cations in the groundwater, while HCO3 - , F- and Cl- ions dominate the anionic part of the groundwater. The weathering process was considered the dominant factor to determine the major ionic composition in the study area...
April 13, 2018: Chemosphere
https://www.readbyqxmd.com/read/29679605/circulating-cell-free-dna-in-patients-with-alveolar-echinococcosis
#2
Alice Baraquin, Eric Hervouet, Carine Richou, Pierre Flori, Paul Peixoto, Amel Azizi, Eric Delabrousse, Oleg Blagosklonov, Gerald Umhang, Solange Bresson-Hadni, Benoit Valot, Frédéric Grenouillet
Alveolar echinococcosis (AE) is a parasitic disease, due to Echinococcus multilocularis. Often compared to liver cancer, it develops by infiltration from its primary site to the surrounding tissue, and can then metastasize to other organs. Detection of circulating cell-free DNA (ccfDNA) is a useful analytical tool in oncology, for diagnosis, prognosis, and therapy monitoring. This study sought to investigate the presence of ccfDNA in patients with AE, and its potential usefulness for the evaluation of treatment efficiency...
April 18, 2018: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/29679563/shrna-mediated-knock-down-of-cxcl8-inhibits-tumor-growth-in-colorectal-liver-metastasis
#3
Abhishek Kumar, Madhuri Cherukumilli, Seyed Hamidreza Mahmoudpour, Karsten Brand, Obul Reddy Bandapalli
CXCL8 belongs to proinflammatory chemokines that are predominantly involved in neutrophil chemotaxis and degranulation. Several studies have suggested that secretion of CXCL8 from cancer cells have a profound effect on tumor microenvironment. In this study, in continuation to our previous work of understanding the global picture of invasion related genes in colorectal liver metastases, we clearly show an up-regulation of CXCL8 expression in the tumor cells at the invasion front as compared to the tumor cells in the inner parts of the tumor...
April 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679550/ct-guided-percutaneous-cryoablation-for-palliative-therapy-of-gastric-cancer-liver-metastases
#4
Xu Chang, Yan Wang, Hai-Peng Yu, Wei-Hao Zhang, Xue-Ling Yang, Zhi Guo
OBJECTIVE: Liver metastases occur in approximately 4%-14% of gastric cancer patients and are associated with high mortality. However, no standardized treatment approach is available for these patients. We aimed to assess the clinical outcomes of patients with gastric cancer liver metastases (GCLM) who underwent percutaneous cryoablation. METHODS: We retrospectively enrolled 19 patients with 27 metastatic hepatic tumors who underwent cryoablation for liver metastases after gastrectomy for primary gastric cancer...
April 18, 2018: Cryobiology
https://www.readbyqxmd.com/read/29679386/hepatitis-b-virus-evasion-from-cgas-sensing-in-human-hepatocytes
#5
Eloi R Verrier, Seung-Ae Yim, Laura Heydmann, Houssein El Saghire, Charlotte Bach, Vincent Turon-Lagot, Laurent Mailly, Sarah C Durand, Julie Lucifora, David Durantel, Patrick Pessaux, Nicolas Manel, Ivan Hirsch, Mirjam B Zeisel, Nathalie Pochet, Catherine Schuster, Thomas F Baumert
Chronic hepatitis B virus (HBV) infection is a major cause of chronic liver disease and cancer worldwide. The mechanisms of viral genome sensing and the evasion of innate immune responses by HBV infection are still poorly understood. Recently, the cyclic GMP-AMP synthase (cGAS) was identified as a DNA sensor. In this study, we aimed to investigate the functional role of cGAS in sensing of HBV infection and elucidate the mechanisms of viral evasion. We performed functional studies including loss- and gain-of-function experiments combined with cGAS effector gene expression profiling in an infectious cell culture model, primary human hepatocytes and HBV-infected human liver chimeric mice...
April 20, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29679298/future-of-treatment-for-nonalcoholic-steatohepatitis-can-the-use-of-safe-evidence-based-clinically-proven-supplements-provide-the-answer-to-the-unmet-need
#6
REVIEW
Yaron Ilan
The epidemic of nonalcoholic fatty liver disease (NAFLD) has created a real and unmet therapeutic need. The long regulatory pathway and the focus on selected subsets of patients with established and advanced disease are some of the current obstacles to providing effective treatment for the majority of NAFLD patients. The complexity of the disease pathogenesis, which involves multiple mechanisms, requires targeting of more than one pathway or a combination-based therapy. Although the drugs being developed may prevent progression to cirrhosis or may decrease negative liver outcomes, their effects on cardiometabolic health and cancer prevention remain unknown...
April 20, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29679278/overexpression-of-modified-human-tr%C3%AE-1-suppresses-the-growth-of-hepatocarcinoma-sk-hep1-cells-in-vitro-and-in-xenograft-models
#7
Xiaoxiang Peng, Yuntao Zhou, Yanli Sun, Wei Song, Xiangying Meng, Chunling Zhao, Ronglan Zhao
Association studies suggest that TRβ1 functions as a tumor suppressor. Thyroid hormone receptors (TRs) mediate transcriptional responses through a highly conserved DNA-binding domain (DBD). We previously constructed an artificially modified human TRβ1 (m-TRβ1) via the introduction of a 108-bp exon sequence into the corresponding position of the wild-type human TRβ1 (TRβ1) DBD. Studies confirmed that m-TRβ1 was functional and could inhibit the proliferation of breast cancer MDA-MB-468 cells in vitro. To understand the role of m-TRβ1 in liver tumor development, we adopted a gain-of-function approach by stably expressing TRβ (m-TRβ1 and TRβ1) genes in a human hepatocarcinoma cell line, SK-hep1 (without endogenous TRβ), and then evaluated the effects of the expressed TRβ on cancer cell proliferation, migration, and tumor growth in cell-based studies and xenograft models...
April 20, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29678787/cd44-directed-nanomicellar-payload-delivery-platform-for-selective-anticancer-effect-and-tumor-specific-imaging-of-triple-negative-breast-cancer
#8
Zhaoxian Wang, Samaresh Sau, Hashem O Alsaab, Arun K Iyer
Triple negative breast cancer (TNBC) is a highly aggressive tumor subtype, lacking estrogen, progesterone and human epidermal growth factor-2 (HER-2) receptors. Thus, early detection and targeted therapy of TNBC is an urgent need. Herein, we have developed a CD44 targeting Hyaluronic Acid (HA) decorated biocompatible oligomer, containing FDA approved vitamin E TPGS and Styrene Maleic Anhydride (SMA) (HA-SMA-TPGS) for targeting TNBC. The self-assembling HA-SMA-TPGS was encapsulated with poorly water soluble, potent curcumin analogue (CDF) to form nanomicelles (NM), HA-SMA-TPGS-CDF has demonstrated excellent nanoparticle charateristics for parenteral delivery...
April 17, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29678550/low-level-shear-stress-promotes-migration-of-liver-cancer-stem-cells-via-the-fak-erk1-2-signalling-pathway
#9
Jinghui Sun, Qing Luo, Lingling Liu, Guanbin Song
Cancer stem cells (CSCs) are a small subpopulation of tumour cells that have been proposed to be responsible for cancer initiation, chemotherapy resistance and cancer recurrence. Shear stress activated cellular signalling is involved in cellular migration, proliferation and differentiation. However, little is known about the effects of shear stress on the migration of liver cancer stem cells (LCSCs). Here, we studied the effects of shear stress that are generated from a parallel plated flow chamber system, on LCSC migration and the activation of focal adhesion kinase (FAK) and extracellular signal regulated kinase1/2 (ERK1/2), using transwell assay and western blot, respectively...
April 17, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29676964/advanced-imaging-techniques-in-evaluation-of-colorectal-cancer
#10
Roberto García-Figueiras, Sandra Baleato-González, Anwar R Padhani, Antonio Luna-Alcalá, Ana Marhuenda, Joan C Vilanova, Iria Osorio-Vázquez, Anxo Martínez-de-Alegría, Antonio Gómez-Caamaño
Imaging techniques are clinical decision-making tools in the evaluation of patients with colorectal cancer (CRC). The aim of this article is to discuss the potential of recent advances in imaging for diagnosis, prognosis, therapy planning, and assessment of response to treatment of CRC. Recent developments and new clinical applications of conventional imaging techniques such as virtual colonoscopy, dual-energy spectral computed tomography, elastography, advanced computing techniques (including volumetric rendering techniques and machine learning), magnetic resonance (MR) imaging-based magnetization transfer, and new liver imaging techniques, which may offer additional clinical information in patients with CRC, are summarized...
April 20, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29676195/in-vitro-inhibitory-effects-of-sophocarpine-on-human-liver-cytochrome-p450-enzymes
#11
Jingwei Zhang, Chuansheng Li, Jingfa Zhang, Fan Zhang
1. Sophocarpine is a biologically active component isolated from the foxtail-like sophora herb and seed that is often orally administered for the treatment of cancer and chronic bronchial asthma. However, whether sophocarpine affects the activity of human liver cytochrome P450 (CYP) enzymes remains unclear. 2. In this study, the inhibitory effects of sophocarpine on the eight human liver CYP isoforms (CYP1A2, 3A4, 2A6, 2E1, 2D6, 2C9, 2C19, and 2C8) were investigated in vitro using human liver microsomes (HLMs)...
April 20, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29675790/patterns-of-breast-cancer-relapse-in-accordance-to-biological-subtype
#12
Atanas Ignatov, Holm Eggemann, Elke Burger, Tanja Ignatov
PURPOSE: To evaluate the pattern of recurrence of breast cancer according to its biological subtype in a large cohort of patients treated with therapy representative of current practice. PATIENTS AND METHODS: Patients treated between 2000 and 2016 with known biological subtype were eligible. Data were prospectively collected. Primary endpoint was the subtype-dependent pattern and time of recurrence. Loco-regional and distant site and time of recurrence were assessed...
April 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29674746/gold-nanof%C3%A3-ve-surface-enhanced-raman-spectroscopy-visualizes-hypotaurine-as-a-robust-anti-oxidant-consumed-in-cancer-survival
#13
Megumi Shiota, Masayuki Naya, Takehiro Yamamoto, Takako Hishiki, Takeharu Tani, Hiroyuki Takahashi, Akiko Kubo, Daisuke Koike, Mai Itoh, Mitsuyo Ohmura, Yasuaki Kabe, Yuki Sugiura, Nobuyoshi Hiraoka, Takayuki Morikawa, Keiyo Takubo, Kentaro Suina, Hideaki Nagashima, Oltea Sampetrean, Osamu Nagano, Hideyuki Saya, Shogo Yamazoe, Hiroyuki Watanabe, Makoto Suematsu
Gold deposition with diagonal angle towards boehmite-based nanostructure creates random arrays of horse-bean-shaped nanostructures named gold-nanofève (GNF). GNF generates many electromagnetic hotspots as surface-enhanced Raman spectroscopy (SERS) excitation sources, and enables large-area visualization of molecular vibration fingerprints of metabolites in human cancer xenografts in livers of immunodeficient mice with sufficient sensitivity and uniformity. Differential screening of GNF-SERS signals in tumours and those in parenchyma demarcated tumour boundaries in liver tissues...
April 19, 2018: Nature Communications
https://www.readbyqxmd.com/read/29673969/rgd-cadherins-and-%C3%AE-2%C3%AE-1-integrin-in-cancer-metastasis-a-dangerous-liaison
#14
REVIEW
J Ignacio Casal, Rubén A Bartolomé
We propose a new cadherin family classification comprising epithelial cadherins (cadherin 17 [CDH17], cadherin 16, VE-cadherin, cadherin 6 and cadherin 20) containing RGD motifs within their sequences. Expression of some RGD cadherins is associated with aggressive forms of cancer during the late stages of metastasis, and CDH17 and VE-cadherin have emerged as critical actors in cancer metastasis. After binding to α2β1 integrin, these cadherins promote integrin β1 activation, and thereby cell adhesion, invasion and proliferation, in liver and lung metastasis...
April 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29673944/liver-disease-in-men-undergoing-androgen-deprivation-therapy-for-prostate-cancer
#15
Philipp Gild, Alexander P Cole, Anna Krasnova, Barbra A Dickerman, Nicolas von Landenberg, Maxine Sun, Lorelei A Mucci, Stuart R Lipsitz, Felix K-H Chun, Paul L Nguyen, Adam S Kibel, Toni K Choueiri, Shehzad Basaria, Quoc-Dien Trinh
PURPOSE: Androgen deprivation therapy is associated with development of diabetes and metabolic syndrome. Its effect on developing non-alcoholic fatty liver disease, a condition frequently co-occuring with metabolic syndrome, and other subsequent liver conditions (liver cirrhosis, hepatic necrosis, any liver disease) has not been investigated.
 MATERIALS & METHODS: We identified 82,938 men aged 66 and older diagnosed with localized prostate cancer within the Surveillance, Epidemiology and End Results- Medicare database, 1992-2009...
April 16, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29673421/long-noncoding-rna-linc01296-harbors-mir-21a-to-regulate-colon-carcinoma-proliferation-and-invasion
#16
Kecheng Wang, Meng Zhang, Cong Wang, Xiaofei Ning
Increasing evidences have demonstrated that aberrant expressions of long non-coding RNAs (lncRNAs) are closely correlated to various malignancies, as well as colon carcinoma (CC). The aim of this study was to investigate the role of lncRNA long intergenic noncoding RNA 001296 (LINC01296) in tumorigenesis of CC. The result of the quantitative real-time polymerase chain reaction (qRT-PCR) demonstrated that LINC01296 was upregulated in CC cancerous tissues and cell lines compared to adjacent normal tissue and normal liver cell lines...
April 19, 2018: Oncology Research
https://www.readbyqxmd.com/read/29673177/the-hippo-yap-pathway-regulates-3d-organ-formation-and-homeostasis
#17
Erika Ishihara, Hiroshi Nishina
The vertebrate body shape is formed by the specific sizes and shapes of its resident tissues and organs, whose alignments are essential for proper functioning. To maintain tissue and organ shape, and thereby function, it is necessary to remove senescent, transformed, and/or damaged cells, which impair function and can lead to tumorigenesis. However, the molecular mechanisms underlying three-dimensional (3D) organ formation and homeostasis are not fully clear. Yes-associated protein (YAP) is a transcriptional co-activator that is involved in organ size control and tumorigenesis...
April 17, 2018: Cancers
https://www.readbyqxmd.com/read/29672926/insights-into-the-etiology-associated-gene-regulatory-networks-in-hepatocellular-carcinoma-from-the-cancer-genome-atlas
#18
Veerabrahma Pratap Seshachalam, Karthik Sekar, Kam M Hui
BACKGROUND AND AIM: Hepatitis B virus, hepatitis C virus, alcoholic consumption and non-alcoholic fatty liver are the major known risk factors for Hepatocellular carcinoma (HCC). There have been very few studies comparing the underlying biological mechanisms associated with the different etiologies of HCC. In this study, we hypothesized the existence of different regulatory networks associated with different liver disease etiologies involved in hepatocarcinogenesis. METHODS: Using upstream regulatory analysis tool in ingenuity pathway analysis software, URs were predicted using differential expressed genes for HCC to facilitate the interrogation of global gene regulation...
April 19, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29672920/targeting-hsp60-by-subcutaneous-injections-of-jetpei-hsp60-shrna-destabilizes-cytoplasmic-survivin-and-inhibits-hepatocellular-carcinoma-growth
#19
Ya-Hui Huang, Kwang-Huei Lin, Jao-Song Yu, Ting-Jung Wu, Wei-Chen Lee, Chuck C-K Chao, Tai-Long Pan, Chau-Ting Yeh
Heat shock protein 60 (HSP60) overexpresses in various types of cancer, but its expression levels and functions in hepatocellular carcinoma (HCC) are still in dispute. We aim to clarify this issue and examine whether HSP60 could be a therapeutic target for HCC. We found drastically enhanced cell apoptosis and suppressed cell proliferation in two HCC cell lines with HSP60-silencing, and also indicated survivin is involved in this regulatory process in vitro and in vivo. However, HSP60-silencing in normal human hepatocytes only resulted in a minimal reduction of cell proliferation but without effects on cell apoptosis...
April 19, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29672189/abrogation-of-hepatic-damage-induced-by-anticancer-drug-methotrexate-by-zobo-hibiscus-sabdariffa-extract-supplementation-via-targeting-oxidative-hepatotoxicity-in-rats
#20
Ademola C Famurewa, Abiola M Folawiyo, Michael A Epete, Emeka C Igwe, Paul I Okike, Ekenechukwu K Maduagwuna
Clinical use of methotrexate (MTX) in cancer chemotherapy is limited due to its side effects, notably associated with increased oxidative stress and hepatotoxicity. Zobo is an aqueous extract of Hibiscus sabdariffa known to contain natural antioxidants. The present study investigated the hepatoprotective effect of zobo drink (ZD) on MTX-induced oxidative stress and hepatotoxicity in rats. Rats randomized to control group received distilled water orally; MTX group received intraperitoneal (ip) injection of MTX (20 mg/kg) on day 11; ZD + MTX group was administered ZD (10 ml/kg) for 14 days and was injected with MTX on day 11...
April 19, 2018: Journal of Dietary Supplements
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