{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T15:08:38Z","timestamp":1779376118701,"version":"3.53.1"},"reference-count":43,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2024,9,14]],"date-time":"2024-09-14T00:00:00Z","timestamp":1726272000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Institute of Allergy and Infectious Diseases (NIAID)"},{"name":"National Institutes of Health (NIH)"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Infections caused by methicillin-resistant Staphylococcus aureus (MRSA) are a major public health burden. Emerging antibiotic resistance has heightened the need for new treatment approaches for MRSA infection such as developing novel antimicrobial agents and enhancing the host\u2019s defense response. The thermo-ion channels Transient Receptor Potential (TRP-) A1 and V1 have been identified as modulators of S. aureus quorum sensing in cell culture models. However, their effects on in vivo infection control are unknown. In this study, we investigated the therapeutic effect of natural TRP ion channel inhibitors on MRSA skin infection in mice. While deletion of TRPV1 did not affect lesion size or inflammatory markers, TRPA1\u2212\/\u2212 mice demonstrated significantly reduced infection severity and abscess size. Treatment with natural inhibitors of TRPA1 with or without blockade of TRPV1 also reduced abscess size. Tissue transcriptomic data coupled with immunohistochemistry revealed that TRPA1 inhibition impacted heat shock protein expression (HSP), modulated the HIF-1a and MAPK pathways, and reduced IL4 expression. Additionally, metabolomics data showed an impact on purine and glycosaminoglycan pathways. Multi-omic integration of transcriptomic and metabolic data revealed that diacylglycerol metabolism was the likely bridge between metabolic and immunological impacts. Our findings suggest that TRPA1 antagonism could provide a promising and cost-effective therapeutic approach for reducing the severity of MRSA infection, and presents a novel underlying molecular mechanism.<\/jats:p>","DOI":"10.3390\/ijms25189933","type":"journal-article","created":{"date-parts":[[2024,9,18]],"date-time":"2024-09-18T01:52:31Z","timestamp":1726624351000},"page":"9933","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["TRPA1 Influences Staphylococcus aureus Skin Infection in Mice and Associates with HIF-1a and MAPK Pathway Modulation"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3483-8376","authenticated-orcid":false,"given":"Manoj","family":"Yadav","sequence":"first","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3467-8608","authenticated-orcid":false,"given":"Prem Prashant","family":"Chaudhary","sequence":"additional","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Grace","family":"Ratley","sequence":"additional","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brandon","family":"D\u2019Souza","sequence":"additional","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahaldeep","family":"Kaur","sequence":"additional","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sundar","family":"Ganesan","sequence":"additional","affiliation":[{"name":"Biological Imaging Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juraj","family":"Kabat","sequence":"additional","affiliation":[{"name":"Biological Imaging Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ian A.","family":"Myles","sequence":"additional","affiliation":[{"name":"Epithelial Therapeutic Unit, National Institute of Allergy, and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1038\/nrmicro2200","article-title":"Waves of resistance: Staphylococcus aureus in the antibiotic era","volume":"7","author":"Chambers","year":"2009","journal-title":"Nat. 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