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Hepatology Research: the Official Journal of the Japan Society of Hepatology

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https://www.readbyqxmd.com/read/28304119/serum-markers-for-mitochondrial-dysfunction-and-cell-death-are-possible-predictive-indicators-for-drug-induced-liver-injury-by-direct-acting-antivirals
#1
Keisuke Kakisaka, Yuichi Yoshida, Yuji Suzuki, Takuro Sato, Hidekatsu Kuroda, Akio Miyasaka, Yasuhiro Takikawa
BACKGROUND & AIM: We prospectively screened patients treated with direct-acting antivirals (DAAs) in order to detect and analyze serum markers that are present prior to the development of drug-induced liver injury (DILI). METHODS: The levels of various serum markers among DILI, non-DILI, and control groups were compared. The DILI group consisted of 8 patients whose alanine aminotransferase (ALT) levels exceeded 32 IU/L during the DAA treatment. Eight patients without DILI were selected for the non-DILI group via a matched-group design based on age, gender, and disease severity...
March 17, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28295916/trehalose-activates-autophagy-and-decreases-proteasome-inhibitor-induced-endoplasmic-reticulum-stress-and-oxidative-stress-mediated-cytotoxicity-in-hepatocytes
#2
Yuichi Honma, Miyuki Sato-Morita, Yuka Katsuki, Hitomi Mihara, Ryoko Baba, Masaru Harada
Endoplasmic reticulum stress is associated with the pathophysiology of various liver diseases. Endoplasmic reticulum stress mediates the accumulation of abnormal proteins and leads to oxidative stress, cytoplasmic inclusion body formation and apoptosis in hepatocytes. Autophagy is a bulk degradation pathway for long-lived cytoplasmic proteins or damaged organelles and is also a major degradation pathway for many aggregate-prone and disease-causing proteins. We previously reported that rapamycin, a mammalian target of rapamycin inhibitor, activated autophagy and decreased proteasome inhibitor-mediated ubiquitinated protein accumulation, cytoplasmic inclusion body formation and apoptosis in hepatocytes...
March 11, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28258704/nafld-phosphoproteomics-a-functional-piece-of-the-precision-puzzle
#3
Julia Wattacheril, Kristie L Rose, Salisha Hill, Christian Lanciault, Clark R Murray, Kay Washington, Brandon Williams, Wayne English, Matthew Spann, Ronald Clements, Naji Abumrad, Charles Robb Flynn
Molecular signaling events associated with the necroinflammatory changes in nonalcoholic steatohepatitis are not well understood. To understand the molecular basis of NASH, we evaluated reversible phosphorylation events in hepatic tissue derived from Class III obese subjects by phosphoproteomic means with the aim of highlighting key regulatory pathways that distinguish NASH from NAFLD. Class III obese subjects undergoing bariatric surgery underwent liver biopsy (8 NOR, 8 simple steatosis and 8 NASH). Our strategy was unbiased, comparing global differences in liver protein reversible phosphorylation events across the 24 subjects...
March 4, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28258663/diabetes-mellitus-not-as-an-unfavorable-factor-on-the-prognosis-of-hepatitis-c-virus-related-hepatocellular-carcinoma
#4
Naoki Yoshida, Yutaka Midorikawa, Tokio Higaki, Hisashi Nakayama, Shingo Tsuji, Shunichi Matsuoka, Hisamitsu Ishihara, Mitsuhiko Moriyama, Tadatoshi Takayama
AIM: Diabetes mellitus (DM) is a potential risk factor for hepatocarcinogenesis, especially in patients with hepatitis C virus (HCV) infection. We aimed to elucidate whether DM influences the surgical outcomes of patients with hepatocellular carcinoma (HCC). METHODS: Our patients were routinely controlled to keep urinary glucose excretion to less than 3.0 g/day before surgery, and the serum glucose level under 200 mg/dl after surgery. The surgical outcomes and postoperative complications of 112 patients with HCV-related HCC with DM (DM Group) were compared to those of 112 propensity-matched patients without DM (non-DM Group)...
March 4, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28258608/efficacy-of-sofosbuvir-and-ledipasvir-therapy-in-patients-co-infected-with-hepatitis-c-virus-genotypes-1-and-2
#5
LETTER
Sohda Tetsuro, Keiji Yokoyama, Eri Yamauchi, Akira Anan, Takashi Tanaka, Daisuke Morihara, Yasuaki Takeyama Makoto Irie, Satoshi Shakado, Shotaro Sakisaka
No abstract text is available yet for this article.
March 4, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28258606/impact-of-hepatitis-c-virus-recombinant-form-rf1_2k-1b-on-hcv-treatment-outcomes-within-georgian-national-hepatitis-c-elimination-program
#6
Marine Karchava, Nikolozs Chkhartishvili, Lali Sharvadze, Akaki Abutidze, Natia Dvali, Lana Gatserelia, Lela Dzigua, Natalia Bolokadze, Ekaterine Dolmazashvili, Adam Kotorashvili, Paata Imnadze, Amiran Gamkrelidze, Tengiz Tsertsvadze
AIM: Hepatitis C virus (HCV) recombinant form RF1_2k/1b is common in ethnic Georgians. This chimera virus contains genomic fragments of genotype 2 and genotype 1 and is misclassified as genotype 2 by standard genotyping. We aimed to identify RF1_2k/1b strains among genotype 2 patients and assess its impact on treatment outcomes. METHODS: Study included 148 patients with HCV genotype 2 as determined by 5 untranslated region/Core (5'UTR/Core) genotyping assay. RF1_2k/1b was identified by sequencing non- structural 5B (NS5B) region...
March 4, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28257594/ezetimibe-for-the-treatment-of-nonalcoholic-fatty-liver-disease-a-meta-analysis
#7
Yukiomi Nakade, Kenta Murotani, Tadahisa Inoue, Yuji Kobayashi, Takaya Yamamoto, Norimitsu Ishii, Tomohiko Ohashi, Kiyoaki Ito, Yoshitaka Fukuzawa, Masashi Yoneda
AIM: Several studies on the efficacy of ezetimibe, a potent inhibitor of cholesterol absorption, in treating non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) have been conducted; however, the results are inconsistent. We conducted a meta-analysis to evaluate the efficacy of ezetimibe in treating NAFLD and NASH. METHODS: Pubmed, Medline, and Cochrane Library Full Text Database were searched until June 2016. The main inclusion criteria included original studies investigating the use of ezetimibe for the treatment of NAFLD and NASH...
March 3, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28249358/clinical-characteristics-and-prognostic-factors-of-liver-cirrhosis-patients-with-systemic-inflammatory-response-syndrome
#8
Danhong Yang, Yuanjun Xie, Hongying Pan, Yichen Huang, Yining Dai, Yongxi Tong, Meijuan Chen
Current assessment of prognostic factors in cirrhosis patients with SIRS is not accurate. There are few reports in the literature, which makes it difficult to determine an indication for cirrhosis patients with SIRS.To study the clinical characteristics in cirrhosis with SIRS and investigate its prognostic factors,we analysed 285 consecutive cirrhosis patients with SIRS and .their database were evaluated retrospectively.Data were compared in patients with/without SIRS during hospitalization.Univariate and multivariate Cox regression analyses were performed separately for cirrhotic patients with SIRS to assess predictive factors for 90-day mortality...
March 1, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28247581/vap-score-as-a-novel-non-invasive-liver-fibrosis-model-in-patients-with-chronic-hepatitis-c
#9
H Elham Ahmed Hassan, Sharaf E L-Din Abd El-Rehim, Zain El-Abdeen Ahmed Sayed, Emad Farah Mohamed Kholef, Abeer Sabry, Noha Abd El-Rehim Abo Elhagag
AIM: Assessment of liver fibrosis in chronic hepatitis C (CHC) patients is necessary before antiviral treatment. This study aimed to evaluate the effectiveness of eight noninvasive models (AAR, APRI, FCI, FI, FIB-4, FibroQ, King and VITRO scores) for predicting fibrosis compared with liver biopsy and to create a new score for predicting different fibrosis stages with increased accuracy. METHODS: We prospectively studied 127 treatment-naive CHC patients who underwent liver biopsy...
February 28, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28245087/hepatic-nucleotide-binding-oligomerization-domain-like-receptors-pyrin-domain-containing-3-inflammasomes-are-associated-with-the-histologic-severity-of-nonalcoholic-fatty-liver-disease
#10
Hironori Mitsuyoshi, Kohichiroh Yasui, Tasuku Hara, Hiroyoshi Taketani, Hiroshi Ishiba, Akira Okajima, Yuya Seko, Atsushi Umemura, Taichiro Nishikawa, Kanji Yamaguchi, Michihisa Moriguchi, Masahito Minami, Yoshito Itoh
AIM: To examine the role of nucleotide binding oligomerization domain (NOD)-like receptor family pyrin domain-containing 3 (NLRP3) inflammasomes in the development of nonalcoholic fatty liver disease (NAFLD). METHODS: Levels of mRNAs encoding NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain (CARD) (ASC), procaspase-1, interleukin (IL)-1β, and IL-18 were quantified by RT-PCR in 91 liver samples and 37 blood samples from biopsy-proven patients with NAFLD...
February 28, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28239934/-reversi-type-virologic-failure-involved-in-the-development-of-ns5a-ravs-in-patients-with-genotype-1b-hcv-carrying-no-signature-ravs-at-baseline
#11
Yoshihito Uchida, Jun-Ichi Kouyama, Kayoko Naiki, Kayoko Sugawara, Mie Inao, Yukinori Imai, Nobuaki Nakayama, Satoshi Mochida
AIMS: The therapeutic efficacy of daclatasvir/asunaprevir was inferior in patients with NS5A-R30Q mutant HCV strains at baseline, compared with those with wild-type strains, even though the EC50 of NS5A inhibitors was lower in mutant strains than in wild-type strains. In these patients, R30Q and Y93H mutant strains, which are highly resistant to NS5A inhibitors, emerged at virologic failure. The mechanisms involved in such virologic failure were examined. METHODS: NS5A-RAVs were evaluated using direct sequencing in 88 patients with virologic failure after daclatasvir/asunaprevir therapy...
February 27, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28229504/excretion-of-necrotic-hepatocellular-carcinoma-tissues-into-the-biliary-system-after-transcatheter-arterial-chemoembolization
#12
Shiro Miyayama, Masashi Yamashiro, Keiichi Nagai, Akira Yokka, Miki Yoshida, Naoko Sakuragawa, Taku Sanada, Kazuo Notsumata
AIM: To evaluate the incidence and condition of necrotic tumor excretion into the biliary system in patients with hepatocellular carcinoma (HCC) >5 cm treated with conventional transcatheter arterial chemoembolization (TACE). METHODS: Eighty-three patients who underwent TACE for newly developed HCC >5 cm without an intraductal tumor thrombus and were followed-up by CT for longer than 6 months were eligible. According to the location, the maximum tumors were divided into central (in contact with the left or right hepatic duct, n = 39) or peripheral (not in contact with them, n = 44)...
February 23, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28225575/25-hydroxy-vitamin-d-suppresses-hepatitis-c-virus-replication-and-contributes-to-rapid-virological-response-of-treatment-efficacy
#13
Jee-Fu Huang, Yu-Min Ko, Chung-Feng Huang, Ming-Lun Yeh, Chia-Yen Dai, Meng-Hsuan Hsieh, Ching-I Huang, Hua-Ling Yang, Shu-Chi Wang, Zu-Yau Lin, Shinn-Chern Chen, Ming-Lung Yu, Wan-Long Chuang
AIM: 25-hydroxy vitamin D (Vit D) plays a role in treatment outcomes in chronic hepatitis C virus (HCV) infection (CHC). We aimed to clarify HCV replication is inhibited by Vit D in HCV replicon cells. Clinical implication was assessed for rapid virological response (RVR) and sustained virological response (SVR) among those patients receiving anti-viral therapy. METHODS: Cell survival and viral loads were observed in Con1 (genotype-1b) and J6/JFH (genotype-2a) cells treated with different doses of Vit D...
February 22, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28225572/daclatasvir-and-asunaprevir-for-genotype-1b-chronic-hepatitis-c-patients-with-chronic-kidney-disease
#14
Chisa Kondo, Masanori Atsukawa, Akihito Tsubota, Noritomo Shimada, Hiroshi Abe, Toru Asano, Kai Yoshizawa, Tomomi Okubo, Yoshimichi Chuganji, Yoshio Aizawa, Etsuko Iio, Yasuhito Tanaka, Katsuhiko Iwakiri
AIM: To evaluate the efficacy and safety of daclatasvir and asunaprevir combined therapy in genotype 1b chronic hepatitis C (CHC) patients with non-dialysis chronic kidney disease (CKD). METHODS: In a multicenter collaborative study, 249 patients received 60 mg of daclatasvir (NS5A inhibitor) once a day and 100 mg of asunaprevir (NS3/4A protease inhibitor) twice a day for 24 weeks between September 2014 and September 2015 and were subjected to this analysis...
February 22, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28224688/liver-tissue-metabolic-profiling-and-pathways-of-nonalcoholic-steatohepatitis-in-rats
#15
Suwen Qi, Si Huang, Xin Chen, Qin Huo, Ni Xie, Jun Xia
AIM: The mechanisms of nonalcoholic steatohepatitis (NASH) in hepatocytes is unknown, and our aim is to study the tissue metabolic profiling and pathways of NASH. METHODS: We built rat models for simple steatosis and NASH and analyzed the liver extract using a liquid chromatograph-mass spectrometer (LC-MS). The acquired data were processed by multivariate principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) to obtain metabolic profiling...
February 22, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28219123/identification-of-core-gene-networks-and-hub-genes-associated-with-progression-of-nonalcoholic-fatty-liver-disease-by-rna-sequencing
#16
Kikuko Hotta, Masataka Kikuchi, Takuya Kitamoto, Aya Kitamoto, Yuji Ogawa, Yasushi Honda, Takaomi Kessoku, Kaori Kobayashi, Masato Yoneda, Kento Imajo, Wataru Tomeno, Akihiro Nakaya, Yutaka Suzuki, Satoru Saito, Atsushi Nakajima
AIM: Nonalcoholic fatty liver disease (NAFLD) progresses because of the interaction between numerous genes. Thus, we performed weighted gene co-expression network analysis to identify core gene networks and key genes associated with NAFLD progression. METHODS: We enrolled 39 patients with mild NAFLD (fibrosis stages 0 to 2) and 21 with advanced NAFLD (fibrosis stages 3 or 4). Total RNA was extracted from frozen liver biopsies, and sequenced to capture a large dynamic range of expression levels...
February 20, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28219122/immunoserological-and-histological-differences-between-autoimmune-hepatitis-with-acute-presentation-and-chronic-autoimmune-hepatitis
#17
Kazufumi Dohmen, Hirofumi Tanaka, Masatora Haruno, Shinichi Aishima
BACKGROUND/AIMS: While the histological features in clinically chronic autoimmune hepatitis (AIH) have been well established, with interface hepatitis and plasma cell infiltration as hallmark lesions, the immunoserological and histological features of recent-onset and acute AIH remain undefined. The goal of this study was to define the immunoserological and histological differences between AIH with acute presentation and chronic AIH. METHODS: Thirty-two consecutive patients with well-characterized AIH who had undergone a liver biopsy were identified at our institution...
February 20, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28199774/sarcopenia-predicts-minimal-hepatic-encephalopathy-in-patients-with-liver-cirrhosis
#18
Tatsunori Hanai, Makoto Shiraki, Satoshi Watanabe, Takahiro Kochi, Kenji Imai, Atsushi Suetsugu, Koji Takai, Hisataka Moriwaki, Masahito Shimizu
AIM: Minimal hepatic encephalopathy (MHE) and sarcopenia impair the health-related quality of life and prognosis in patients with liver cirrhosis; however, the relationship between MHE and sarcopenia remains unclear. The aim of this study was to investigate their relationship and to identify the predictors of MHE in cirrhotic patients. METHODS: This retrospective study evaluated 120 cirrhotic patients who were tested for MHE and sarcopenia. MHE was diagnosed by using the computer-aided neuropsychiatric test...
February 15, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28198132/clinical-results-of-proton-beam-therapy-for-hepatocellular-carcinoma-over-5%C3%A2-cm
#19
Kanako Kimura, Tatsuya Nakamura, Takashi Ono, Yusuke Azami, Motohisa Suzuki, Hitoshi Wada, Kanako Takayama, Hiromasa Endo, Teruhito Takeyama, Katsumi Hirose, Yoshihiro Takai, Yasuhiro Kikuchi
PURPOSE: This study was conducted to evaluate the safety and efficacy of proton beam therapy for large hepatocellular carcinoma (HCC). METHODS: Twenty-four patients with a HCC larger than 5.0 cm were treated with proton beam therapy at our institution between 2008 and 2015. RESULTS: The clinical stage was I in 2 patients, II in 9 patients and IIIB in 13 patients. Ten of the 24 patients were not surgical candidates because of advanced HCC or old age...
February 14, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28186674/mechanism-of-impairment-on-liver-regeneration-in-elderly-patients-the-role-of-hepatic-stellate-cell-function
#20
REVIEW
Yu Saito, Yuji Morine, Mitsuo Shimada
Japan, along with most other countries in the world, is facing an increasingly aging population with a prolonged life expectancy. Concurrently, the need for medical intervention including hepatectomy, has also increased for the elderly. Though surgical outcomes for older patients are reported to be comparable with those for younger patients, additional care in the selection of older patients for hepatectomy is considered necessary. Although the effect of aging on human liver regeneration is not fully understood, the regeneration of liver tissue after hepatectomy in elderly patients is shown to be generally worse than in younger patients and to date the mechanisms involved in the impairment of liver regeneration have not been fully clarified...
February 10, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
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