{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T02:02:11Z","timestamp":1774663331289,"version":"3.50.1"},"reference-count":29,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2017,8,1]],"date-time":"2017-08-01T00:00:00Z","timestamp":1501545600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF-2014R1A1A2058039"],"award-info":[{"award-number":["NRF-2014R1A1A2058039"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF-2016R1A2B4015169"],"award-info":[{"award-number":["NRF-2016R1A2B4015169"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>Despite recent advances in therapeutic strategies against hepatitis B virus (HBV) infection, chronic hepatitis B remains a major global health burden. Recent studies have shown that targeting host factors instead of viral factors can be an effective antiviral strategy with low risk of the development of resistance. Efforts to identify host factors affecting viral replication have identified p38 mitogen-activated protein kinase (MAPK) as a possible target for antiviral strategies against various viruses, including HBV. Here, a series of biphenyl amides were synthesized as novel p38 MAPK selective inhibitors and assessed for their anti-HBV activities. The suppression of HBV surface antigen (HBsAg) production by these compounds was positively correlated with p38 MAPK-inhibitory activity. The selected compound NJK14047 displayed significant anti-HBV activity, as determined by HBsAg production, HBeAg secretion, and HBV production. NJK14047 efficiently suppressed the secretion of HBV antigens and HBV particles from HBV genome-transfected cells and HBV-infected sodium taurocholate cotransporting polypeptide-expressing human hepatoma cells. Furthermore, NJK14047 treatment resulted in a significant decrease of pregenomic RNA and covalently closed circular DNA (cccDNA) of HBV in HBV-harboring cells, indicating its ability to inhibit HBV replication. Considering that suppression of HBsAg secretion and elimination of cccDNA of HBV are the major aims of anti-HBV therapeutic strategies, the results suggested the potential use of these compounds as a novel class of anti-HBV agents targeting host factors critical for viral infection.<\/jats:p>","DOI":"10.1128\/aac.00214-17","type":"journal-article","created":{"date-parts":[[2017,5,31]],"date-time":"2017-05-31T00:40:34Z","timestamp":1496191234000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":19,"title":["An Effective Antiviral Approach Targeting Hepatitis B Virus with NJK14047, a Novel and Selective Biphenyl Amide p38 Mitogen-Activated Protein Kinase Inhibitor"],"prefix":"10.1128","volume":"61","author":[{"given":"So-Young","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences, Microbiology and Immunology, and Liver Institute, College of Medicine, Seoul National University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang-Won","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Na-Rae","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chae-Min","family":"Yi","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinyuk","family":"Heo","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bum-Joon","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences, Microbiology and Immunology, and Liver Institute, College of Medicine, Seoul National University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nam-Jung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyung-Soo","family":"Inn","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.8211155"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.40.4.1207-1209.2002"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2011.12.061"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.7554\/eLife.00049"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2009.08.063"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/hep.24318"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.antiviral.2015.09.011"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrgastro.2016.7"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(11)70314-0"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9258(18)82362-6"},{"key":"e_1_3_3_12_2","first-page":"153","article-title":"Mitogen-activated protein (MAP) kinase pathways: regulation and physiological functions","volume":"22","author":"Pearson G","year":"2001","unstructured":"Pearson G RobinsonF Beers GibsonT XuBE KarandikarM BermanK CobbMH. 2001. 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