{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T19:07:03Z","timestamp":1785784023035,"version":"3.56.0"},"reference-count":52,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,6,1]],"date-time":"2022-06-01T00:00:00Z","timestamp":1654041600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ICMR PDF funds","award":["3\/1\/3\/PDF (18) 2018-HRD"],"award-info":[{"award-number":["3\/1\/3\/PDF (18) 2018-HRD"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathogens"],"abstract":"<jats:p>Helicobacter pylori (H. pylori) infection is considered as one of the strongest risk factors for gastric disorders. Infection triggers several host pathways to elicit inflammation, which further proceeds towards gastric complications. The NF-kB pathway plays a central role in the upregulation of the pro-inflammatory cytokines during infection. It also regulates the transcriptional network of several inflammatory cytokine genes. Hence, targeting NF-kB could be an important strategy to reduce pathogenesis. Moreover, treatment of H. pylori needs attention as current therapeutics lack efficacy due to antibiotic resistance, highlighting the need for alternative therapeutic approaches. In this study, we investigated the effects of capsaicin, a known NF-kB inhibitor in reducing inflammation and gastric complications during H. pylori infection. We observed that capsaicin reduced NF-kB activation and upregulation of cytokine genes in an in vivo mice model. Moreover, it affected NF-kB\u2013miRNA interplay to repress inflammation and gastric damages. Capsaicin reduced the expression level of mir21 and mir223 along with the pro-inflammatory cytokines. The repression of miRNA further affected downstream targets such as e-cadherin and Akt. Our data represent the first evidence that treatment with capsaicin inhibits inflammation and induces antimicrobial activity during H. pylori infection. This alternative approach might open a new avenue in treating H. pylori infection, thus reducing gastric problems.<\/jats:p>","DOI":"10.3390\/pathogens11060641","type":"journal-article","created":{"date-parts":[[2022,6,1]],"date-time":"2022-06-01T12:48:31Z","timestamp":1654087711000},"page":"641","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Capsaicin Inhibits Inflammation and Gastric Damage during H pylori Infection by Targeting NF-kB\u2013miRNA Axis"],"prefix":"10.3390","volume":"11","author":[{"given":"Kalyani","family":"Saha","sequence":"first","affiliation":[{"name":"Department of Biochemistry, National Institute of Cholera and Enteric Diseases, Indian Council of Medical Research (ICMR-NICED), P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7237-5210","authenticated-orcid":false,"given":"Deotima","family":"Sarkar","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, National Institute of Cholera and Enteric Diseases, Indian Council of Medical Research (ICMR-NICED), P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uzma","family":"Khan","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, National Institute of Cholera and Enteric Diseases, Indian Council of Medical Research (ICMR-NICED), P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bipul Chandra","family":"Karmakar","sequence":"additional","affiliation":[{"name":"Department of Microbiology, National Institute of Cholera and Enteric Diseases (ICMR-NICED), Indian Council of Medical Research, P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sangita","family":"Paul","sequence":"additional","affiliation":[{"name":"Department of Microbiology, National Institute of Cholera and Enteric Diseases (ICMR-NICED), Indian Council of Medical Research, P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Asish K.","family":"Mukhopadhyay","sequence":"additional","affiliation":[{"name":"Department of Microbiology, National Institute of Cholera and Enteric Diseases (ICMR-NICED), Indian Council of Medical Research, P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shanta","family":"Dutta","sequence":"additional","affiliation":[{"name":"Department of Bacteriology, National Institute of Cholera and Enteric Diseases, Indian Council of Medical Research (ICMR-NICED), P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sushmita","family":"Bhattacharya","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, National Institute of Cholera and Enteric Diseases, Indian Council of Medical Research (ICMR-NICED), P-33, CIT Rd, Subhas Sarobar Park, Phool Bagan, Beleghata, Kolkata 700010, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,6,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"30","DOI":"10.25259\/IJMIO_8_2020","article-title":"Molecular genetic changes in gastric carcinoma","volume":"6","author":"Singh","year":"2021","journal-title":"Int. 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