Complicated relationships of amino acid substitution in hepatitis C virus core region and IL28B genotype influencing hepatocarcinogenesis

The impact of amino acid (aa) 70 substitution in the core region on hepatocarcinogenesis and survival for liver‐related death in patients of hepatitis C virus (HCV) genotype 1b (HCV‐1b), who had not received antiviral therapy, is unknown. The relationships among aa 70 substitution, IL28B genotype, a...

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Veröffentlicht in:Hepatology (Baltimore, Md.) Md.), 2012-12, Vol.56 (6), p.2134-2141
Hauptverfasser: Akuta, Norio, Suzuki, Fumitaka, Seko, Yuya, Kawamura, Yusuke, Sezaki, Hitomi, Suzuki, Yoshiyuki, Hosaka, Tetsuya, Kobayashi, Masahiro, Hara, Tasuku, Kobayashi, Mariko, Saitoh, Satoshi, Arase, Yasuji, Ikeda, Kenji, Kumada, Hiromitsu
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container_end_page 2141
container_issue 6
container_start_page 2134
container_title Hepatology (Baltimore, Md.)
container_volume 56
creator Akuta, Norio
Suzuki, Fumitaka
Seko, Yuya
Kawamura, Yusuke
Sezaki, Hitomi
Suzuki, Yoshiyuki
Hosaka, Tetsuya
Kobayashi, Masahiro
Hara, Tasuku
Kobayashi, Mariko
Saitoh, Satoshi
Arase, Yasuji
Ikeda, Kenji
Kumada, Hiromitsu
description The impact of amino acid (aa) 70 substitution in the core region on hepatocarcinogenesis and survival for liver‐related death in patients of hepatitis C virus (HCV) genotype 1b (HCV‐1b), who had not received antiviral therapy, is unknown. The relationships among aa 70 substitution, IL28B genotype, and hepatocarcinogenesis are also not clear. A total of 1,181 consecutive HCV‐infected patients, who had not received antiviral therapy, were included in a follow‐up study to determine predictive factors of hepatocarcinogenesis and survival for liver‐related death. The cumulative hepatocarcinogenesis rates in HCV‐1b of Gln70(His70) (glutamine (histidine) at aa 70) were significantly higher than those in HCV‐1b of Arg70 (arginine at aa 70) and HCV‐2a/2b. The cumulative survival rates for liver‐related death in HCV‐1b of Gln70(His70) were significantly lower than those in HCV‐1b of Arg70 and HCV‐2a/2b. Multivariate analysis identified gender (male), age (≥60 years), albumin (
doi_str_mv 10.1002/hep.25949
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The relationships among aa 70 substitution, IL28B genotype, and hepatocarcinogenesis are also not clear. A total of 1,181 consecutive HCV‐infected patients, who had not received antiviral therapy, were included in a follow‐up study to determine predictive factors of hepatocarcinogenesis and survival for liver‐related death. The cumulative hepatocarcinogenesis rates in HCV‐1b of Gln70(His70) (glutamine (histidine) at aa 70) were significantly higher than those in HCV‐1b of Arg70 (arginine at aa 70) and HCV‐2a/2b. The cumulative survival rates for liver‐related death in HCV‐1b of Gln70(His70) were significantly lower than those in HCV‐1b of Arg70 and HCV‐2a/2b. Multivariate analysis identified gender (male), age (≥60 years), albumin (&lt;3.9 g/dL), platelet count (&lt;15.0 × 104/mm3), aspartate aminotransferase (≥67 IU/L), and HCV subgroup (HCV‐1b of Gln70(His70)) as determinants of both hepatocarcinogenesis and survival rates for liver‐related death. In HCV‐1b patients, the cumulative change rates from Arg70 to Gln70(His70) by direct sequencing were significantly higher than those from Gln70(His70) to Arg70. In patients of Arg70 at the initial visit, the cumulative change rates from Arg70 to Gln70(His70) in IL28B rs8099917 non‐TT genotype were significantly higher than those in the TT genotype. Conclusion: Substitution of aa 70 in the core region of HCV‐1b is an important predictor of hepatocarcinogenesis and survival for liver‐related death in HCV patients who had not received antiviral therapy. The IL28B genotype might partly affect changes over time of dominant amino acid in core aa 70 of HCV‐1b. (HEPATOLOGY 2012;56:2134–2141)</description><identifier>ISSN: 0270-9139</identifier><identifier>EISSN: 1527-3350</identifier><identifier>DOI: 10.1002/hep.25949</identifier><identifier>PMID: 22806754</identifier><identifier>CODEN: HPTLD9</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Amino Acid Substitution ; Antiviral Agents - therapeutic use ; Biological and medical sciences ; Carcinoma, Hepatocellular - pathology ; Carcinoma, Hepatocellular - virology ; Cell Transformation, Neoplastic - genetics ; Female ; Gastroenterology. Liver. Pancreas. Abdomen ; Genotype ; Hepacivirus - genetics ; Hepacivirus - metabolism ; Hepatitis ; Hepatitis C ; Hepatitis C, Chronic - drug therapy ; Hepatitis C, Chronic - genetics ; Hepatitis C, Chronic - metabolism ; Hepatology ; Humans ; Interferons ; Interleukins - genetics ; Kaplan-Meier Estimate ; Liver Neoplasms - pathology ; Liver Neoplasms - virology ; Liver. Biliary tract. Portal circulation. Exocrine pancreas ; Male ; Medical sciences ; Middle Aged ; Multivariate Analysis ; Proportional Hazards Models ; Survival Rate ; Tumors ; Viral Core Proteins - metabolism ; Young Adult</subject><ispartof>Hepatology (Baltimore, Md.), 2012-12, Vol.56 (6), p.2134-2141</ispartof><rights>Copyright © 2012 American Association for the Study of Liver Diseases</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2012 American Association for the Study of Liver Diseases.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3879-d5a60cdcc2fe3ac823cc9ad77ed10c2e6d081b373c26b7952a4c5508bfcd623</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fhep.25949$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fhep.25949$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=26853024$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22806754$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Akuta, Norio</creatorcontrib><creatorcontrib>Suzuki, Fumitaka</creatorcontrib><creatorcontrib>Seko, Yuya</creatorcontrib><creatorcontrib>Kawamura, Yusuke</creatorcontrib><creatorcontrib>Sezaki, Hitomi</creatorcontrib><creatorcontrib>Suzuki, Yoshiyuki</creatorcontrib><creatorcontrib>Hosaka, Tetsuya</creatorcontrib><creatorcontrib>Kobayashi, Masahiro</creatorcontrib><creatorcontrib>Hara, Tasuku</creatorcontrib><creatorcontrib>Kobayashi, Mariko</creatorcontrib><creatorcontrib>Saitoh, Satoshi</creatorcontrib><creatorcontrib>Arase, Yasuji</creatorcontrib><creatorcontrib>Ikeda, Kenji</creatorcontrib><creatorcontrib>Kumada, Hiromitsu</creatorcontrib><title>Complicated relationships of amino acid substitution in hepatitis C virus core region and IL28B genotype influencing hepatocarcinogenesis</title><title>Hepatology (Baltimore, Md.)</title><addtitle>Hepatology</addtitle><description>The impact of amino acid (aa) 70 substitution in the core region on hepatocarcinogenesis and survival for liver‐related death in patients of hepatitis C virus (HCV) genotype 1b (HCV‐1b), who had not received antiviral therapy, is unknown. The relationships among aa 70 substitution, IL28B genotype, and hepatocarcinogenesis are also not clear. A total of 1,181 consecutive HCV‐infected patients, who had not received antiviral therapy, were included in a follow‐up study to determine predictive factors of hepatocarcinogenesis and survival for liver‐related death. The cumulative hepatocarcinogenesis rates in HCV‐1b of Gln70(His70) (glutamine (histidine) at aa 70) were significantly higher than those in HCV‐1b of Arg70 (arginine at aa 70) and HCV‐2a/2b. The cumulative survival rates for liver‐related death in HCV‐1b of Gln70(His70) were significantly lower than those in HCV‐1b of Arg70 and HCV‐2a/2b. Multivariate analysis identified gender (male), age (≥60 years), albumin (&lt;3.9 g/dL), platelet count (&lt;15.0 × 104/mm3), aspartate aminotransferase (≥67 IU/L), and HCV subgroup (HCV‐1b of Gln70(His70)) as determinants of both hepatocarcinogenesis and survival rates for liver‐related death. In HCV‐1b patients, the cumulative change rates from Arg70 to Gln70(His70) by direct sequencing were significantly higher than those from Gln70(His70) to Arg70. In patients of Arg70 at the initial visit, the cumulative change rates from Arg70 to Gln70(His70) in IL28B rs8099917 non‐TT genotype were significantly higher than those in the TT genotype. Conclusion: Substitution of aa 70 in the core region of HCV‐1b is an important predictor of hepatocarcinogenesis and survival for liver‐related death in HCV patients who had not received antiviral therapy. The IL28B genotype might partly affect changes over time of dominant amino acid in core aa 70 of HCV‐1b. 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Abdomen</subject><subject>Genotype</subject><subject>Hepacivirus - genetics</subject><subject>Hepacivirus - metabolism</subject><subject>Hepatitis</subject><subject>Hepatitis C</subject><subject>Hepatitis C, Chronic - drug therapy</subject><subject>Hepatitis C, Chronic - genetics</subject><subject>Hepatitis C, Chronic - metabolism</subject><subject>Hepatology</subject><subject>Humans</subject><subject>Interferons</subject><subject>Interleukins - genetics</subject><subject>Kaplan-Meier Estimate</subject><subject>Liver Neoplasms - pathology</subject><subject>Liver Neoplasms - virology</subject><subject>Liver. Biliary tract. Portal circulation. Exocrine pancreas</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Multivariate Analysis</subject><subject>Proportional Hazards Models</subject><subject>Survival Rate</subject><subject>Tumors</subject><subject>Viral Core Proteins - metabolism</subject><subject>Young Adult</subject><issn>0270-9139</issn><issn>1527-3350</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkdtuEzEQQC0EomnhgR9AlhCP2_qyvj22oTcpAiRQeLS8tjd1u1kv9i5tPqF_XadJy9N4NOfMyDMAfMLoGCNETm78cEyYqtUbMMOMiIpSht6CGSICVQpTdQAOc75FCKmayPfggBCJuGD1DDzO43rogjWjdzD5zowh9vkmDBnGFpp16CM0NjiYpyaPYZy2dRh6WGYWdgwZzuG_kKYMbUy-tFhtAdM7eL0g8gyufB_HzeCL03aT723oVzs5WpNKFgvhc8gfwLvWdNl_3Mcj8Ovi_Pf8qlr8uLyeny4qS6VQlWOGI-usJa2nxkpCrVXGCeEdRpZ47pDEDRXUEt4IxYipLWNINq11nNAj8GXXdUjx7-TzqG_jlPoyUGNCMOOslqpQn_fU1Ky900MKa5M2-mVvBfi6B0y2pmuTKR_L_zkuGUVky53suPvQ-c1rHSO9PZwue9DPh9NX5z-fH8WodkbIo394NUy601xQwfSf75f6m8BLsVhyvaRPK8-cNA</recordid><startdate>201212</startdate><enddate>201212</enddate><creator>Akuta, Norio</creator><creator>Suzuki, Fumitaka</creator><creator>Seko, Yuya</creator><creator>Kawamura, Yusuke</creator><creator>Sezaki, Hitomi</creator><creator>Suzuki, Yoshiyuki</creator><creator>Hosaka, Tetsuya</creator><creator>Kobayashi, Masahiro</creator><creator>Hara, Tasuku</creator><creator>Kobayashi, Mariko</creator><creator>Saitoh, Satoshi</creator><creator>Arase, Yasuji</creator><creator>Ikeda, Kenji</creator><creator>Kumada, Hiromitsu</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><general>Wolters Kluwer Health, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7T5</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>H94</scope><scope>K9.</scope></search><sort><creationdate>201212</creationdate><title>Complicated relationships of amino acid substitution in hepatitis C virus core region and IL28B genotype influencing hepatocarcinogenesis</title><author>Akuta, Norio ; Suzuki, Fumitaka ; Seko, Yuya ; Kawamura, Yusuke ; Sezaki, Hitomi ; Suzuki, Yoshiyuki ; Hosaka, Tetsuya ; Kobayashi, Masahiro ; Hara, Tasuku ; Kobayashi, Mariko ; Saitoh, Satoshi ; Arase, Yasuji ; Ikeda, Kenji ; Kumada, Hiromitsu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3879-d5a60cdcc2fe3ac823cc9ad77ed10c2e6d081b373c26b7952a4c5508bfcd623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Amino Acid Substitution</topic><topic>Antiviral Agents - therapeutic use</topic><topic>Biological and medical sciences</topic><topic>Carcinoma, Hepatocellular - pathology</topic><topic>Carcinoma, Hepatocellular - virology</topic><topic>Cell Transformation, Neoplastic - genetics</topic><topic>Female</topic><topic>Gastroenterology. Liver. Pancreas. Abdomen</topic><topic>Genotype</topic><topic>Hepacivirus - genetics</topic><topic>Hepacivirus - metabolism</topic><topic>Hepatitis</topic><topic>Hepatitis C</topic><topic>Hepatitis C, Chronic - drug therapy</topic><topic>Hepatitis C, Chronic - genetics</topic><topic>Hepatitis C, Chronic - metabolism</topic><topic>Hepatology</topic><topic>Humans</topic><topic>Interferons</topic><topic>Interleukins - genetics</topic><topic>Kaplan-Meier Estimate</topic><topic>Liver Neoplasms - pathology</topic><topic>Liver Neoplasms - virology</topic><topic>Liver. Biliary tract. Portal circulation. 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The relationships among aa 70 substitution, IL28B genotype, and hepatocarcinogenesis are also not clear. A total of 1,181 consecutive HCV‐infected patients, who had not received antiviral therapy, were included in a follow‐up study to determine predictive factors of hepatocarcinogenesis and survival for liver‐related death. The cumulative hepatocarcinogenesis rates in HCV‐1b of Gln70(His70) (glutamine (histidine) at aa 70) were significantly higher than those in HCV‐1b of Arg70 (arginine at aa 70) and HCV‐2a/2b. The cumulative survival rates for liver‐related death in HCV‐1b of Gln70(His70) were significantly lower than those in HCV‐1b of Arg70 and HCV‐2a/2b. Multivariate analysis identified gender (male), age (≥60 years), albumin (&lt;3.9 g/dL), platelet count (&lt;15.0 × 104/mm3), aspartate aminotransferase (≥67 IU/L), and HCV subgroup (HCV‐1b of Gln70(His70)) as determinants of both hepatocarcinogenesis and survival rates for liver‐related death. In HCV‐1b patients, the cumulative change rates from Arg70 to Gln70(His70) by direct sequencing were significantly higher than those from Gln70(His70) to Arg70. In patients of Arg70 at the initial visit, the cumulative change rates from Arg70 to Gln70(His70) in IL28B rs8099917 non‐TT genotype were significantly higher than those in the TT genotype. Conclusion: Substitution of aa 70 in the core region of HCV‐1b is an important predictor of hepatocarcinogenesis and survival for liver‐related death in HCV patients who had not received antiviral therapy. The IL28B genotype might partly affect changes over time of dominant amino acid in core aa 70 of HCV‐1b. (HEPATOLOGY 2012;56:2134–2141)</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>22806754</pmid><doi>10.1002/hep.25949</doi><tpages>8</tpages></addata></record>
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subjects Adult
Aged
Aged, 80 and over
Amino Acid Substitution
Antiviral Agents - therapeutic use
Biological and medical sciences
Carcinoma, Hepatocellular - pathology
Carcinoma, Hepatocellular - virology
Cell Transformation, Neoplastic - genetics
Female
Gastroenterology. Liver. Pancreas. Abdomen
Genotype
Hepacivirus - genetics
Hepacivirus - metabolism
Hepatitis
Hepatitis C
Hepatitis C, Chronic - drug therapy
Hepatitis C, Chronic - genetics
Hepatitis C, Chronic - metabolism
Hepatology
Humans
Interferons
Interleukins - genetics
Kaplan-Meier Estimate
Liver Neoplasms - pathology
Liver Neoplasms - virology
Liver. Biliary tract. Portal circulation. Exocrine pancreas
Male
Medical sciences
Middle Aged
Multivariate Analysis
Proportional Hazards Models
Survival Rate
Tumors
Viral Core Proteins - metabolism
Young Adult
title Complicated relationships of amino acid substitution in hepatitis C virus core region and IL28B genotype influencing hepatocarcinogenesis
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