{"title":"Impaired biliary excretion of organic anions and cations in bile duct-ligated rat","authors":"Hajime Takikawa, Naoyo Sano, Satoko Fukumura, Satoko Uegaki, Masami Yamanaka","doi":"10.1016/0928-4346(96)00299-X","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00299-X","url":null,"abstract":"<div><p>The effects of bile duct ligation for 3 days on biliary excretion of organic anions and cations were studied in the rat. Biliary excretion of organic anions, sulfobromophthalein, leukotriene C<sub>4</sub> and pravastatin, was markedly impaired. Biliary excretion of organic cations, vinblastine and erythromycin was also markedly impaired. These findings indicate that, in the bile duct-ligated rats, various excretory pathways from the liver are damaged, at least partly due to the impairment of canalicular carriers.</p></div>","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"5 3","pages":"Pages 201-206"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0928-4346(96)00299-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91611560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pietro Andreone , Carmela Cursaro , Annagiulia Gramenzi , Rita Miniero , Mauro Bernardi , Giovanni Gasbarrini
{"title":"Interferon-α plus indomethacin combined therapy in HBeAg positive chronic hepatitis B non-responder to a previous IFNα course: results of a pilot study","authors":"Pietro Andreone , Carmela Cursaro , Annagiulia Gramenzi , Rita Miniero , Mauro Bernardi , Giovanni Gasbarrini","doi":"10.1016/0928-4346(96)00286-1","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00286-1","url":null,"abstract":"<div><p><em>Background</em>: interferon-α is able to induce a sustained inhibition of hepatitis B virus replication in about 30–40% of patients with chronic hepatitis B. There is evidence that non-steroidal antiinflammatory drugs can enhance the synthesis of antiviral proteins induced by interferon-α, <em>Aim</em>: to evaluate the efficacy and tolerability of combined therapy with interferon-α plus indomethacin in HBeAg and HBV-DNA positive patients affected by chronic active hepatitis non-responders to a previous interferon-α treatment. <em>Methods</em>: after six months of retreatment with interferon-α (6 MU thrice weekly) six patients were enrolled, without stopping the therapy, to receive interferon-α (with the same schedule) plus indomethacin (25 mg orally twice daily) for an additional six month course. <em>Results</em>: at the end of treatment and after six months of follow-up alanine transaminase normalization was seen in three (50%) and four (66.7%) patients, HBV-DNA loss in one (17%) and three (50%), <span><math><mtext>HBeAg</mtext><mtext>HBeAb</mtext></math></span> serum conversion in one (17%) and two (33%), respectively. The combined therapy was well tolerated and no indomethacin side-effects were observed. The treatment was stopped in one patient after 4 months because of a remarkable increase of alanine transaminase levels, and in another after five months because of hyperthyroidism occurrence. <em>Conclusions</em>: the results of this study, even if obtained in a small number of patients, are encouraging and suggest a randomized controlled trial to be confirmed.</p></div>","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"5 3","pages":"Pages 151-159"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0928-4346(96)00286-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89995867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Nakano, Y. Okamoto, H. Nakabayashi, S. Takamatsu, H. Tsujii, H. Matsuoka
{"title":"Application of neural network to the interpretation of laboratory data for the diagnosis of two forms of chronic active hepatitis","authors":"H. Nakano, Y. Okamoto, H. Nakabayashi, S. Takamatsu, H. Tsujii, H. Matsuoka","doi":"10.1016/0928-4346(96)00292-7","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00292-7","url":null,"abstract":"","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"9 1","pages":"160-165"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72764201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Electromagnetic determination of portal venous flow in rats during exercise","authors":"Lisa Yano , Hiromi Yano , Kazuhisa Taketa","doi":"10.1016/0928-4346(96)00296-4","DOIUrl":"10.1016/0928-4346(96)00296-4","url":null,"abstract":"<div><p>We investigated the response of portal venous blood flow in rats to different exercise intensities by long term implantation of an electromagnetic flowprobe around the portal vein. The coefficients of variation for five determinations of portal venous flow for 5 consecutive days before exercise were 9.7 ± 2.0%. The portal venous flow and oxygen consumption (V̇O<sub>2</sub>) were simultaneously measured during and after treadmill exercise of five intensities (5–25 m/min). Portal venous flow remained unchanged at the moderate exercise levels of 5, 10 and 15 m/min at a 15% grade for 20 min. The portal flow demonstrated a significant decrease at the 20 m/min with a 60 ml/kg/min of V̇O<sub>2</sub>, but the decreased portal venous flow returned to the pre-exercise level during the recovery period. At the highest intensity of exercise, 25 m/min, the decreased portal venous flow remained unchanged throughout the recovery period. We concluded that the continuous measurement of portal venous flow during exercise offers a clear advantage over other methods, and that there was an evoking point during the high intensity exercise though portal venous flow was unaltered at a moderate intensity of exercise.</p></div>","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"5 3","pages":"Pages 184-190"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0928-4346(96)00296-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85720315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Application of neural network to the interpretation of laboratory data for the diagnosis of two forms of chronic active hepatitis","authors":"Hiroshi Nakano, Yasuyuki Okamoto, Hitomi Nakabayashi, Seigo Takamatsu, Hiroyuki Tsujii, Hiroki Matsuoka","doi":"10.1016/0928-4346(96)00292-7","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00292-7","url":null,"abstract":"<div><p>The purpose of this study is to investigate the ability of neural network to discriminate the two subtypes, mild and severe form, of chronic active hepatitis, on the basis of the patterns of the five blood biochemical parameters. Serum levels of cholinesterase, albumin, alkaline phosphatase, type IV collagen and hyaluronate were used as variables. The neural network trained with the data from 31 patients: 11 of mild form and 20 of severe form of chronic active hepatitis. The ability of the network to predict the diagnosis of the patients who were additionally recruited was tested with a separate group (cross-validation group) of 9 patients with chronic active hepatitis. A neural network with 5 input neurons, 10 hidden neurons and 2 output neurons correctly classified all 31 patients. This network correctly predicted the diagnoses for 78% of the cross-validation group. These results suggested that neural network are useful for the differentiation of two forms of chronic active hepatitis by a less invasive blood biochemical analysis.</p></div>","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"5 3","pages":"Pages 160-165"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0928-4346(96)00292-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91611969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Takikawa, N. Sano, Satoko Fukumura, S. Uegaki, M. Yamanaka
{"title":"Impaired biliary excretion of organic anions and cations in bile duct-ligated rat","authors":"H. Takikawa, N. Sano, Satoko Fukumura, S. Uegaki, M. Yamanaka","doi":"10.1016/0928-4346(96)00299-X","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00299-X","url":null,"abstract":"","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"1 1","pages":"201-206"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85660596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Suppressive effects of all-trans retinoic acid on the lipopolysaccharide-stimulated release of tumor necrosis factor-α and nitric oxide by rat Kupffer cells in vitro","authors":"Kenta Motomura, Hidehiko Isobe, Hironori Sakai, Hajime Nawata","doi":"10.1016/0928-4346(96)00295-2","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00295-2","url":null,"abstract":"<div><p>Kupffer cells are important in the development of liver injury by producing cytokines and radicals. It is known that all-trans retinoic acid (ATRA) participates in the proliferation and differentiation of cells, and exhibits immunomodulatory and anti-inflammatory properties. We evaluated the in vitro effects of three retinoids, ATRA, retinal and retinol, on the production of tumor necrosis factor-α (TNF-α) and nitric oxide (NO) by the LPS-stimulated rat Kupffer cells. ATRA was the most potent in suppressing the production of TNF-α and NO. The suppressive effect of ATRA on Kupffer cells was concentration-dependent. Results suggest that ATRA may act as an immunomodulator in liver diseases by suppressing the production of TNF-α and NO by Kupffer cells.</p></div>","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"5 3","pages":"Pages 177-183"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0928-4346(96)00295-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91611968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Suppressive effects of all-trans retinoic acid on the lipopolysaccharide-stimulated release of tumor necrosis factor-α and nitric oxide by rat Kupffer cells in vitro","authors":"K. Motomura, H. Isobe, H. Sakai, H. Nawata","doi":"10.1016/0928-4346(96)00295-2","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00295-2","url":null,"abstract":"","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"1 1","pages":"177-183"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75579553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Alterations in some hepatic biochemical variables following repeated gallium arsenide administration in rats","authors":"S. Flora","doi":"10.1016/0928-4346(96)00285-X","DOIUrl":"https://doi.org/10.1016/0928-4346(96)00285-X","url":null,"abstract":"","PeriodicalId":13746,"journal":{"name":"International Hepatology Communications","volume":"14 1","pages":"97-103"},"PeriodicalIF":0.0,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75648185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}