{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,4,12]],"date-time":"2026-04-12T08:43:42Z","timestamp":1775983422710,"version":"3.50.1"},"posted":{"date-parts":[[2025,2,25]]},"group-title":"Neuroscience","reference-count":68,"publisher":"openRxiv","license":[{"start":{"date-parts":[[2025,2,25]],"date-time":"2025-02-25T00:00:00Z","timestamp":1740441600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2025,3,26]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>Two-thirds of patients with Fabry disease suffer debilitating pain attacks triggered by exercise, fever, and exposure to environmental heat. These patients face an even greater risk of heat-related episodic pain in the face of global climate change. Almost nothing is known about the biological mechanisms underlying heat-induced pain crises in Fabry disease, and there is no preclinical model available to study Fabry crises. Here, we established the first model of heat-induced pain attacks in Fabry disease by exposing transgenic Fabry rats to environmental heat. Heat exposure precipitated robust mechanical hypersensitivity, closely matching temporal features reported by patients with Fabry disease. At the cellular level, heat exposure sensitized Fabry dorsal root ganglia (DRG) neurons to agonists for transient receptor potential cation channel A1 (TRPA1), but not TRPV1. The heat shock response, which normally confers heat-resilience, was impaired in Fabry disease, and we demonstrated that heat shock proteins (HSP70 and HSP90) regulate TRPA1. Strikingly, pharmacologically inhibiting HSP90 completely prevented cellular and behavioral sensitization by environmental heat in Fabry disease. Together, this work establishes the first model of episodic pain in Fabry disease, implicates the heat shock response in heat-evoked pain episodes, and identifies a novel heat shock protein-TRPA1 regulatory axis.<\/jats:p>\n                <jats:sec>\n                  <jats:title>Abstract Figure<\/jats:title>\n                  <jats:fig id=\"ufig1\" position=\"float\" orientation=\"portrait\" fig-type=\"figure\">\n                    <jats:graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"639340v2_ufig1\" position=\"float\" orientation=\"portrait\"\/>\n                  <\/jats:fig>\n                <\/jats:sec>","DOI":"10.1101\/2025.02.20.639340","type":"posted-content","created":{"date-parts":[[2025,2,25]],"date-time":"2025-02-25T17:21:40Z","timestamp":1740504100000},"source":"Crossref","is-referenced-by-count":1,"title":["Episodic pain in Fabry disease is mediated by a heat shock protein-TRPA1 axis"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9943-4498","authenticated-orcid":false,"given":"Jonathan D","family":"Enders","sequence":"first","affiliation":[{"name":"Department of Cell Biology, Neurobiology, and Anatomy; Medical College of Wisconsin, Milwaukee, WI"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eve K","family":"Prodoehl","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, Neurobiology, and Anatomy; Medical College of Wisconsin, Milwaukee, WI"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Signe M","family":"Penn","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, Neurobiology, and Anatomy; Medical College of Wisconsin, Milwaukee, WI"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anvitha","family":"Sriram","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, Neurobiology, and Anatomy; Medical College of Wisconsin, Milwaukee, WI"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cheryl L","family":"Stucky","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, Neurobiology, and Anatomy; Medical College of Wisconsin, Milwaukee, WI"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"54368","reference":[{"key":"2026041200540647000_2025.02.20.639340v2.1","doi-asserted-by":"publisher","DOI":"10.2119\/molmed.2012.00002"},{"key":"2026041200540647000_2025.02.20.639340v2.2","doi-asserted-by":"publisher","DOI":"10.1086\/504601"},{"key":"2026041200540647000_2025.02.20.639340v2.3","doi-asserted-by":"publisher","DOI":"10.1111\/j.1651-2227.2006.tb02186.x"},{"key":"2026041200540647000_2025.02.20.639340v2.4","doi-asserted-by":"publisher","DOI":"10.1097\/AJP.0000000000000041"},{"key":"2026041200540647000_2025.02.20.639340v2.5","doi-asserted-by":"crossref","unstructured":"Hoffmann B , et al. 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