{"id":1340,"date":"2014-04-28T11:24:51","date_gmt":"2014-04-28T16:24:51","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1340"},"modified":"2014-04-28T11:44:46","modified_gmt":"2014-04-28T16:44:46","slug":"scent-of-man-stresses-lab-mice-out","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/scent-of-man-stresses-lab-mice-out\/","title":{"rendered":"\u2018Scent of man\u2019 stresses lab mice out <img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div id=\"attachment_1341\" style=\"width: 442px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/nature-methods_men_rats.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1341\" class=\"size-full wp-image-1341\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/nature-methods_men_rats.jpg\" alt=\"Men emits an odor that stress mices. (Credit: Alexander H. Tuttle)\" width=\"432\" height=\"288\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/nature-methods_men_rats.jpg 432w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/nature-methods_men_rats-300x200.jpg 300w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/a><p id=\"caption-attachment-1341\" class=\"wp-caption-text\">Males emit an odour that can stress lab mice out. (Credit: Alexander H. Tuttle)<\/p><\/div>\n<p>A new study shows that the behaviour of mice used in scientific experiments was altered by the presence of men, but not women.<\/p>\n<p>The study shows that in the presence of male experimenters and male odours, mice were less sensitive to pain, a phenomenon called stress-induced analgesia.<\/p>\n<p>Lab mice are more stressed when the experimenter is a male, influencing their behaviour and the outcome of the experiment.\u00a0The mice also showed an increase in body temperature as well as levels of a stress hormone, <em>corticosterone<\/em>.<\/p>\n<p>Authors conclude that further studies on stress and behaviour relying on mice should indicate the experimenter\u2019s sex in their methodology.<\/p>\n<p><a href=\"http:\/\/www.nature.com\/nmeth\/journal\/vaop\/ncurrent\/full\/nmeth.2935.html\" target=\"_blank\"><span style=\"text-decoration: underline;\">Original research paper<\/span><\/a>\u00a0published in the journal <em>Nature Methods<\/em><i>\u00a0<\/i>on\u00a0<strong>April 28, 2014<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Names and affiliations of selected\u00a0authors<\/strong><\/span><\/p>\n<h4><a href=\"http:\/\/www.psych.mcgill.ca\/faculty\/mogil.htm\" target=\"_blank\">Jeffrey Mogil<\/a>, McGill University, Queb\u00e9c<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; A new study shows that the behaviour of mice used in scientific experiments was altered by the presence of men, but not women. The study shows that in the presence of male experimenters and male odours, mice were less sensitive to pain, a phenomenon called stress-induced analgesia. Lab mice are more stressed when the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[39,174,113,53,849],"class_list":["post-1340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-animal-behaviour","tag-animals","tag-biology","tag-medicine","tag-quebec-en"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/nature-methods_men_rats.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-lC","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1340"}],"version-history":[{"count":5,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1340\/revisions"}],"predecessor-version":[{"id":1366,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1340\/revisions\/1366"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1341"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1340"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}