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https://www.readbyqxmd.com/read/29458144/disruption-of-peroxisome-function-leads-to-metabolic-stress-mtor-inhibition-and-lethality-in-liver-cancer-cells
#1
Mengjiao Cai, Xiao Sun, Wenchao Wang, Zhusheng Lian, Ping Wu, Suxia Han, Huan Chen, Pumin Zhang
Peroxisome houses a large number of enzymes involved in lipid and phytochemical oxidation as well as synthesis of bile acid and other specialized lipids. Peroxisome resident enzymes are imported into the organelle via a conserved cargo transport system composed of many peroxins, protein factors essential for the biogenesis of peroxisome. Among the peroxins, PEX5 plays a transporter role, and PEX2, 10, and 12 are thought to form a complex that functions as an E3 ubiquitin ligase to help recycle PEX5 in an ubiquitin modification-dependent process...
February 16, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29457964/liver-imaging-reporting-and-data-system-patient-outcomes-for-category-4-and-5-nodules
#2
Sang Hyun Choi, Jae Ho Byun, Young-Suk Lim, So Jung Lee, So Yeon Kim, Hyung Jin Won, Yong Moon Shin, Pyo-Nyun Kim
Purpose To determine the outcomes after initial therapy in patients with chronic liver disease and retrospectively assigned Liver Imaging Reporting and Data System (LI-RADS; version 2014) category 4 (LR-4) and 5 (LR-5) nodules at gadoxetate disodium-enhanced MR imaging. Materials and Methods In this retrospective study, 260 patients with a single LR-4 (n = 132) or LR-5 (n = 128) nodule who were assigned a LI-RADS category were included. Patients were identified between January 2012 and December 2012, and were initially treated by resection, liver transplant, radiofrequency ablation (RFA), or transcatheter arterial chemoembolization (TACE) according to the Barcelona Clinic Liver Cancer staging system...
February 19, 2018: Radiology
https://www.readbyqxmd.com/read/29456638/biobran-mgn-3-an-arabinoxylan-rice-bran-enhances-nk-cell-activity-in-geriatric-subjects-a-randomized-double-blind-placebo-controlled-clinical-trial
#3
Ahmed F Elsaid, Magda Shaheen, Mamdooh Ghoneum
Aging is associated with a decline in natural killer (NK) and natural killer T (NKT) cell function that may contribute to increased susceptibility to malignancy and infection. A preliminary investigation was conducted examining the hypothesis that arabinoxylan rice bran (Biobran/MGN-3), a denatured hemicellulose with known immunomodulatory activity, could counteract this decline in NK/NKT cell activity in geriatrics. A total of 12 healthy geriatric subjects of both sexes and over 56 years old, participated in a randomized, double-blind, placebo-controlled clinical trial...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456616/the-mortality-incidence-ratio-as-an-indicator-of-five-year-cancer-survival-in-metropolitan-lima
#4
Karoline Stenning-Persivale, Maria Jose Savitzky Franco, Alejandra Cordero-Morales, José Cruzado-Burga, Ebert Poquioma, Edgar Díaz Nava, Eduardo Payet
Introduction: The Mortality-Incidence Ratio complement [1 - MIR] is an indicator validated in various populations to estimate five-year cancer survival, but its validity remains unreported in Peru. This study aims to determine if the MIR correlates directly with five-year survival in patients diagnosed with the ten most common types of cancer in metropolitan Lima. Materials and methods: The Metropolitan Lima Cancer Registry (RCLM in Spanish) for 2004-2005 was used to determine the number of new cases and the number of deaths of the following cancers: breast, stomach, prostate, thyroid, lung, colon, cervical, and liver cancers, as well as non-Hodgkin's lymphoma and leukaemia...
2018: Ecancermedicalscience
https://www.readbyqxmd.com/read/29456550/genomic-analysis-revealed-new-oncogenic-signatures-in-tp53-mutant-hepatocellular-carcinoma
#5
Venkatesh Kancherla, Samir Abdullazade, Matthias S Matter, Manuela Lanzafame, Luca Quagliata, Guglielmo Roma, Yujin Hoshida, Luigi M Terracciano, Charlotte K Y Ng, Salvatore Piscuoglio
The TP53 gene is the most commonly mutated gene in human cancers and mutations in TP53 have been shown to have either gain-of-function or loss-of-function effects. Using the data generated by The Cancer Genome Atlas, we sought to define the spectrum of TP53 mutations in hepatocellular carcinomas (HCCs) and their association with clinicopathologic features, and to determine the oncogenic and mutational signatures in TP53 -mutant HCCs. Compared to other cancer types, HCCs harbored distinctive mutation hotspots at V157 and R249, whereas common mutation hotspots in other cancer types, R175 and R273, were extremely rare in HCCs...
2018: Frontiers in Genetics
https://www.readbyqxmd.com/read/29456045/hepatectomy-for-octogenarians-with-colorectal-liver-metastasis-in-the-era-of-enhanced-recovery
#6
Andrea Tufo, Declan F J Dunne, Nichola Manu, Heman Joshi, Carmen Lacasia, Louise Jones, Hassan Z Malik, Graeme J Poston, Stephen W Fenwick
BACKGROUND: Concern exists regarding the use of hepatectomy to treat colorectal liver metastasis (CRLM) in octogenarians due to prior studies suggesting elevated morbidity and mortality. Cardiopulmonary exercise testing (CPET) within pre-operative assessment and enhanced recovery after surgery (ERAS) have both been shown to be associated with low morbidity and mortality in patients undergoing hepatectomy. This study sought to compare the outcomes of octogenarians with patients aged 70-79 undergoing hepatectomy for CRLM, within a center utilizing both CPET and ERAS...
February 6, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29455432/serum-mirna-27a-and-mirna-18b-as-potential-predictive-biomarkers-of-hepatitis-c-virus-associated-hepatocellular-carcinoma
#7
Nearmeen M Rashad, Amal S El-Shal, Sally M Shalaby, Salem Y Mohamed
Hepatitis C virus (HCV) infection remains the main risk factor for chronic hepatitis (CHC), liver cirrhosis, and hepatocellular carcinoma (HCC). Changes in microRNA (miRNA) profiles can be associated with HCV infection and may either favor or inhibit the virus and/or its complication. Moreover, miRNAs have emerged as key regulators of various cancers including HCC. The aim of this work was to investigate the potentail role of miRNA-27a and miRNA-18b expression levels as non-invasive predictive biomarkers of hepatitis C virus-associated HCC...
February 17, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29455213/outcomes-of-organ-transplantation-from-donors-with-a-cancer-history
#8
Shanzhou Huang, Yunhua Tang, Zebin Zhu, Jie Yang, Zhiheng Zhang, Linhe Wang, Chengjun Sun, Yixi Zhang, Qiang Zhao, Maogen Chen, Linwei Wu, Dongping Wang, Weiqiang Ju, Zhiyong Guo, Xiaoshun He
BACKGROUND The inherent challenges of selecting an acceptable donor for the increasing number and acuity of recipients has forced programs to take increased risks, including accepting donors with a cancer history (DWCH). Outcomes of organ transplantation using organs from DWCH must be clarified. We assessed transplant outcomes of recipients of organs from DWCH. MATERIAL AND METHODS Retrospective analysis of the Scientific Registry of Transplant Recipients data from January 1, 2000 to December 31, 2014 identified 8385 cases of transplants from DWCH...
February 18, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29455167/pulmonary-metastasis-in-rectal-cancer-a-retrospective-study-of-clinicopathological-characteristics-of-404-patients-in-chinese-cohort
#9
Hong-Da Pan, Gang Zhao, Qi An, Gang Xiao
OBJECTIVES: This study aim to investigate the incidence, timing and risk factors of metachronous pulmonary recurrence after curative resection in patients with rectal cancer. DESIGN: A retrospective cohort study. SETTING: This study was conducted at a tertiary referral cancer hospital. PARTICIPANTS: A total of 404 patients with rectal cancer who underwent curative resection from 2007 to 2012 at Beijing Hospital were enrolled in this study...
February 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29455011/hybrid-retrograde-celiac-artery-stenting-for-acute-mesenteric-ischemia-after-gastric-surgery
#10
Duarte Rego, Paulo Almeida, Paulo Soares, Rui Almeida
INTRODUCTION: Celiac artery (CA) occlusions/stenosis are infrequently associated with liver ischemia due to its unique vascularization where portal vein provides about 75% of liver's perfusion. Collateral flow from gastroduodenal artery also provides, in most cases, enough blood supply to prevent ischemic hepatitis. In cases where these collateral pathways are compromised severe liver ischemia can occur. METHODS: We present a case of acute mesenteric ischemia following gastric surgery that was treated with a hybrid retrograde CA stenting...
February 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29454996/apo-10-lycopenoic-acid-inhibits-cancer-cell-migration-and-angiogenesis-and-induces-peroxisome-proliferator-activated-receptor-%C3%AE
#11
Junrui Cheng, Benchun Miao, Kang-Quan Hu, Xueyan Fu, Xiang-Dong Wang
SCOPE: We have previously shown that apo-10'-lycopenoic acid (ALA), a derivative of lycopene through cleavage by carotene-9',10'-oxygenase, inhibits tumor progression and metastasis in both liver and lung cancer animal models. The underlying mechanism remains unknown. We hypothesized that ALA inhibits cancer cell motility and angiogenesis by up-regulating peroxisome proliferator-activated receptor γ (PPARγ) which is involved in controlling angiogenesis, tumor progression and metastasis...
January 31, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29454793/p300-acetyltransferase-mediates-stiffness-induced-activation-of-hepatic-stellate-cells-into-tumor-promoting-myofibroblasts
#12
Changwei Dou, Zhikui Liu, Kangsheng Tu, Hongbin Zhang, Chen Chen, Usman Yaqoob, Yuanguo Wang, Jialing Wen, Jan van Deursen, Delphine Sicard, Daniel Tschumperlin, Hongzhi Zou, Wei-Chien Huang, Raul Urrutia, Vijay H Shah, Ningling Kang
BACKGROUND & AIMS: Hepatic stellate cells (HSCs) contribute to desmoplasia and stiffness of liver metastases by differentiating into matrix-producing myofibroblasts. We investigated whether stiffness due to the presence of tumors increases activation of HSCs into myofibroblasts and their tumor-promoting effects, as well as the role of E1A binding protein p300 (EP300 or p300), a histone acetyltransferase that regulates transcription, in these processes. METHODS: HSCs were isolated from liver tissues of patients, mice in which the p300 gene was flanked by 2 loxP sites (p300F/F mice), and p300+/+ mice (controls)...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29454647/dynamic-plasticity-of-macrophage-functions-in-diseased-liver
#13
Thomas Ritz, Oliver Krenkel, Frank Tacke
Liver macrophages attract increasing interest due to their crucial roles in homeostasis and hepatic diseases. Recent findings in mice and man suggest a remarkable phenotypic and functional diversity of liver macrophages. Kupffer cells, the subset of tissue resident macrophages with sentinel functions in liver, mainly arise from embryogenic precursors, whereas in injury, liver tissue is engrafted by monocyte-derived macrophages. Both principal macrophage populations respond to local or systemic signals and have substantial effects on reduction as well as aggravation of hepatic diseases...
December 20, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/29454618/natural-small-molecule-bigelovin-suppresses-orthotopic-colorectal-tumor-growth-and-inhibits-colorectal-cancer-metastasis-via-il6-stat3-pathway
#14
Mingyue Li, Grace Gar-Lee Yue, Li-Hua Song, Mao-Bo Huang, Julia Kin-Ming Lee, Stephen Kwok-Wing Tsui, Kwok-Pui Fung, Ning-Hua Tan, Clara Bik-San Lau
Bigelovin, a sesquiterpene lactone, has been demonstrated to induce apoptosis, inhibit inflammation and angiogenesis in vitro, but its potential anti-metastatic activity remains unclear. In the present study, two colon cancer mouse models, orthotopic tumor allografts and experimental metastatic models were utilized to investigate the progression and metastatic spread of colorectal cancer after bigelovin treatments. Results showed that bigelovin (intravenous injection; 0.3-3 mg/kg) significantly suppressed tumor growth and inhibited liver/lung metastasis with modulation of tumor microenvironment (e...
February 15, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29454098/quantitative-imaging-features-and-postoperative-hepatic-insufficiency-a-multi-institutional-expanded-cohort
#15
Linda M Pak, Jayasree Chakraborty, Mithat Gonen, William C Chapman, Richard Kg Do, Bas Groot Koerkamp, Kees Verhoef, Ser Yee Lee, Marco Massani, Eric P van der Stok, Amber L Simpson
BACKGROUND: Post-hepatectomy liver insufficiency (PHLI) is a significant cause of morbidity and mortality after liver resection. Quantitative imaging analysis using CT scans measures variations in pixel intensity related to perfusion. A preliminary study demonstrated a correlation between quantitative imaging features of the future liver remnant (FLR) parenchyma from preoperative CT scans and PHLI. The objective of the present study was to explore the potential application of quantitative imaging analysis in PHLI in an expanded, multi-institutional cohort...
February 14, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29453737/two-stage-hepatectomy-aiming-for-the-development-of-intrahepatic-venous-collaterals-for-multiple-colorectal-liver-metastases
#16
Harufumi Maki, Shouichi Satou, Kentaro Nakajima, Atsuki Nagao, Kazuteru Watanabe, Hitoshi Satodate, Satoshi Nara, Kaoru Furushima, Yasushi Harihara
BACKGROUND: Aggressive hepatectomy with venous resection has a higher risk of postoperative liver failure (POLF) than hepatectomy without venous reconstruction; however, venous reconstruction is technically demanding. We performed a novel two-stage hepatectomy (TSH) without venous reconstruction in a patient with bilobar multiple colorectal liver metastases located near the caval confluence, waiting for the development of intrahepatic venous collaterals between procedures. CASE PRESENTATION: A 60-year-old man was referred to our hospital with sigmoid colon cancer accompanied by intraabdominal abscess and two synchronous liver metastases...
February 16, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29453635/monitoring-of-erlotinib-in-pancreatic-cancer-patients-during-long-time-administration-and-comparison-to-a-physiologically-based-pharmacokinetic-model
#17
Andrea Gruber, Martin Czejka, Philipp Buchner, Marie Kitzmueller, Nairi Kirchbaumer Baroian, Christian Dittrich, Azra Sahmanovic Hrgovcic
PURPOSE: In this study, a therapeutic drug monitoring (TDM) of erlotinib in pancreatic cancer patients was performed over 50 weeks to reveal possible alterations in erlotinib plasma concentrations. Additionally, a physiologically based pharmacokinetic (PBPK) model was created to assess such variations in silico. METHODS: Patients with advanced pancreatic cancer received a chemotherapeutic combination of 100 mg erlotinib q.d., 500-900 mg capecitabine b.d. and 5 mg/kg bevacizumab q...
February 16, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29452859/evaluation-of-liquid-biopsies-for-detection-of-emerging-mutated-genes-in-metastatic-colorectal-cancer
#18
Hiroyasu Furuki, Takeshi Yamada, Goro Takahashi, Takuma Iwai, Michihiro Koizumi, Seiichi Shinji, Yasuyuki Yokoyama, Kohki Takeda, Nobuhiko Taniai, Eiji Uchida
BACKGROUND: Detection of gene mutations is important for planning molecular targeted therapy. Although most gene mutations are concordant between primary colon cancers and their liver metastases, new mutations can emerge in metastases. The liquid biopsy is a newly developed, gene analytic method to detect mutations in metastatic tumors. In this prospective study, we evaluated the applicability of liquid biopsies in the detection of mutations in primary and metastatic tumors. METHODS: We included 22 patients with liver metastases from colorectal cancer and extracted DNA from primary colorectal tumors, metastatic liver tumors, and peripheral blood (liquid biopsy)...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29452704/substance-use-disorder-among-current-cancer-patients-rates-and-correlates-nationally-in-the-department-of-veterans-affairs
#19
Pochu Ho, Robert Rosenheck
BACKGROUND: Substance use disorders (SUDs) are known to cause or complicate treatment of many types of cancers. OBJECTIVES: We sought to systematically assess rates of current SUDs among patients currently in treatment for cancer. METHODS: The National Veteran Health Administration administrative data from fiscal year 2012 were used to compare veterans with both cancer and comorbid SUDs to veterans with cancer but no SUDs and those with a SUD but no cancer...
January 10, 2018: Psychosomatics
https://www.readbyqxmd.com/read/29452147/combination-of-kras-activation-and-pten-deletion-contributes-to-murine-hepatopancreatic-ductal-malignancy
#20
Yun-Kai Lin, Zheng Fang, Tian-Yi Jiang, Zheng-Hua Wan, Yu-Fei Pan, Yun-Han Ma, Yuan-Yuan Shi, Ye-Xiong Tan, Li-Wei Dong, Yong-Jie Zhang, Hong-Yang Wang
Kras mutations are among the most common genetic abnormalities in human neoplasms, including cholangiocarcinomas, pancreatic cancer and colon cancer. PTEN has previously been associated with cholangiocarcinoma development in murine models. Here, we have established novel mouse models of neoplasms by liver-specific and biliary-pancreatic Kras activation and PTEN deletion. By liver-specific disruption of PTEN and activation of Kras in mice caused rapid development of intrahepatic biliary epithelial proliferative lesions (Intrahepatic cholangiocarcinoma, ICC), which progress through dysplasia to invasive carcinoma...
February 13, 2018: Cancer Letters
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