作者：范恩宇,魏振华,范秋领,郝淑娟
单位：杭州娃哈哈集团有限公司 浙江省食品生物工程重点实验室,浙江 杭州 310018
关键词：失眠,睡眠行为,γ-氨基丁酸A型受体,γ-氨基丁酸B型受体,5-羟色胺
本研究探讨了黑柄炭角菌菌核乌灵菌粉的改善睡眠作用以及对小鼠大脑神经递质及其受体的影响。144例小鼠随机分为低、中、高3个剂量(0.25、0.5和1.0 g/kg bw)的乌灵菌粉实验组和1个空白对照组,进行了30 d的灌胃干预,从小鼠睡眠行为和其大脑组织中神经递质及其受体两个方面进行分析。结果显示,乌灵菌粉无直接催眠作用,对小鼠正常生长和体重增长无显著影响。相比于对照组,乌灵菌粉3个剂量实验组巴比妥钠诱导的入睡潜伏期均显著缩短(P<0.05),戊巴比妥钠阈下剂量下入睡动物数均有增加,戊巴比妥钠诱导的睡眠时间仅有中、高两个剂量组显著增加(P<0.05),低剂量组睡眠时间增加不显著(P>0.05)。低、中、高3个剂量组小鼠大脑组织中γ-氨基丁酸A型受体(GABAAR)表达量均显著上升(P<0.05),γ-氨基丁酸B型受体(GABABR)表达量却显著下降(P<0.05),5-羟色胺(5-HT)和γ-氨基丁酸含量均显著上升(P<0.01)。综上所述,乌灵菌粉具有明显的改善睡眠功效,其作用机制可能是通过提高脑中5-HT和GABA含量,促进小鼠大脑组织中GABAAR受体表达来实现。"/>template{display:none;}.mag-rich-xref-fn { cursor: pointer;}//长视频$(document).ready(function(){if($("#showLongArticleVideo") && $("#showLongArticleVideo").length && $("#showLongArticleVideo").length>0){mag_ajax_update({ele_id:'showLongArticleVideo',url:mag_currentQikanUrl() + "/CN/article/showLongArticleVideo.do?id="+$("#articleId").val()});}});//可视化图谱$(document).ready(function(){if($("#showArticle_knowledgeMap") && $("#showArticle_knowledgeMap").length && $("#showArticle_knowledgeMap").length>0){jQuery.getJSON("/Jwxb/CN/lexeme/existsCnctstInArticle.do?articleID="+$("#articleId").val(), null, function(json){if(json.result){$("#showArticle_knowledgeMap").show();}});}});$(document).ready(function(){var metaDataStr = $.trim($("#article_metaJson").val());if(metaDataStr!=''){eval("window.metaData="+metaDataStr);}if(window.metaData && (!window.metaData.authorNotesCommon_cn && !window.metaData.authorNotesCorresp_cn && window.metaData.authorNotes_cn)){window.metaData.authorNotesCommon_cn = window.metaData.authorNotes_cn;}if(window.metaData && (!window.metaData.authorNotesCommon_en && !window.metaData.authorNotesCorresp_en && window.metaData.authorNotes_en)){window.metaData.authorNotesCommon_en = window.metaData.authorNotes_en;}var _nlmdtdXml = $("#article_nlmdtdXml").val();var magDir = _nlmdtdXml.replace(/\/[^\/]+$/,'');window.metaData.magDir = magDir;new mag_vue({ el: '#metaVue', //dataUrl: mag_currentQikanUrl() + '/EN/article/getRichHtmlJson.do?articleId='+$("#articleId").val(), data:window.metaData, loading:true, doTextFun:function(text){ return doDataJsonText(text); 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来源：2022年第9期
《菌物学报》期刊编辑部
查看菌物学报杂志2022年第9期