{"id":814281,"date":"2026-03-21T11:38:12","date_gmt":"2026-03-21T11:38:12","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/814281\/"},"modified":"2026-03-21T11:38:12","modified_gmt":"2026-03-21T11:38:12","slug":"un-circuit-nerveux-identifie-comme-declencheur-des-poussees","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/814281\/","title":{"rendered":"un circuit nerveux identifi\u00e9 comme d\u00e9clencheur des pouss\u00e9es"},"content":{"rendered":"<p>\n    <strong>D\u00c9CRYPTAGE &#8211;<\/strong> Une \u00e9tude r\u00e9v\u00e8le comment un groupe pr\u00e9cis de neurones transmet les effets du stress \u00e0 la peau, entra\u00eenant l\u2019aggravation de l\u2019ecz\u00e9ma.<\/p>\n<p class=\"fig-paragraph\">Beaucoup connaissent le ph\u00e9nom\u00e8ne\u00a0: un examen stressant, un deuil, une p\u00e9riode d\u2019anxi\u00e9t\u00e9&#8230; et des plaques apparaissent sur la peau, rouges et qui grattent. Pourquoi une p\u00e9riode de stress suffit-elle parfois \u00e0 d\u00e9clencher ou aggraver une pouss\u00e9e de\u00a0<a href=\"https:\/\/sante.lefigaro.fr\/sante\/maladie\/dermatite-atopique\/quel-traitement\" data-fig-type=\"Keyword\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"SANTE\" rel=\"nofollow noopener\" target=\"_blank\">dermatite atopique<\/a>, plus connue sous le nom d\u2019<a href=\"https:\/\/sante.lefigaro.fr\/sante\/maladie\/eczema\/quel-traitement\" data-fig-type=\"Keyword\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"SANTE\" rel=\"nofollow noopener\" target=\"_blank\">ecz\u00e9ma<\/a>\u00a0? Un myst\u00e8re auquel s\u2019est longuement heurt\u00e9e la science, et dont des chercheurs ont peut-\u00eatre enfin trouv\u00e9 la cause&#8230;<\/p>\n<p class=\"fig-paragraph\">On sait que le stress psychologique perturbe l\u2019\u00e9quilibre du\u00a0<a href=\"https:\/\/www.lefigaro.fr\/sciences\/les-facettes-multiples-et-parfois-meconnues-du-systeme-immunitaire-20230219\" data-fig-type=\"Article\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"LEFIGARO\" rel=\"nofollow noopener\" target=\"_blank\">syst\u00e8me immunitaire<\/a>, et que la peau y est particuli\u00e8rement sensible, car elle est riche en nerfs et en cellules immunitaires. Des travaux r\u00e9cents sugg\u00e8rent que les signaux envoy\u00e9s par le syst\u00e8me nerveux sympathique, qui pr\u00e9pare le corps \u00e0 r\u00e9agir face au danger, pourraient agir directement sur l\u2019immunit\u00e9 cutan\u00e9e. Dans la dermatite atopique, les \u00e9osinophiles, des cellules immunitaires capables de lib\u00e9rer de puissantes prot\u00e9ines inflammatoires\u2026<\/p>\n<p class=\"fig-premium-paywall__infos\">\n        Cet article est r\u00e9serv\u00e9 aux abonn\u00e9s.        Il vous reste 84% \u00e0 d\u00e9couvrir.\n    <\/p>\n<p>                <img  data- alt=\"Le Figaro\" class=\"fig-img--complete fig-img\"\/><\/p>\n<p class=\"fig-premium-paywall__title\">Vente Flash<\/p>\n<p class=\"fig-premium-paywall__subtitle\">-70% sur votre abonnement. Sans engagement.<\/p>\n<p class=\"fig-premium-paywall__connect\">\n                D\u00e9j\u00e0 abonn\u00e9\u00a0?                <a class=\"fig-premium-paywall__connect-link\" href=\"https:\/\/connect.lefigaro.fr\/login?client=sante_web&amp;type=main&amp;redirect_uri=https%3A%2F%2Fsante.lefigaro.fr%2Fmedecine%2Fstress-et-eczema-un-circuit-nerveux-identifie-comme-declencheur-des-poussees-20260321\" data-js-gtm=\"{&quot;event&quot;:&quot;customEventGA4&quot;,&quot;eventName&quot;:&quot;click_action&quot;,&quot;feature&quot;:&quot;paywall&quot;,&quot;location&quot;:&quot;paywall&quot;,&quot;button_action&quot;:&quot;connect&quot;,&quot;click_text&quot;:&quot;Connectez-vous&quot;}\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n                    Connectez-vous<br \/>\n                <\/a>\n            <\/p>\n","protected":false},"excerpt":{"rendered":"D\u00c9CRYPTAGE &#8211; Une \u00e9tude r\u00e9v\u00e8le comment un groupe pr\u00e9cis de neurones transmet les effets du stress \u00e0 la&hellip;\n","protected":false},"author":2,"featured_media":814282,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[10],"tags":[40564,89081,89080,1011,27,72,71],"class_list":["post-814281","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sante","tag-consequences-du-stress","tag-dermatite-atopique","tag-eczema","tag-fr","tag-france","tag-health","tag-sante"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/116266972385474539","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/814281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=814281"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/814281\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/814282"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=814281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=814281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=814281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}