【目的】探讨针药结合对抑郁症睡眠障碍(SDD)大鼠行为学变化及对中缝背核(NRD)5-羟色胺受体5-HT1AR、5-HT2AR m RNA表达的影响。【方法】正常组8只SD大鼠常规合笼饲养,不接受任何刺激与处置。32只SD大鼠接受为期21 d的孤养+慢性不可预...【目的】探讨针药结合对抑郁症睡眠障碍(SDD)大鼠行为学变化及对中缝背核(NRD)5-羟色胺受体5-HT1AR、5-HT2AR m RNA表达的影响。【方法】正常组8只SD大鼠常规合笼饲养,不接受任何刺激与处置。32只SD大鼠接受为期21 d的孤养+慢性不可预见中等应激(CUMS)法+快速动眼相(REM)睡眠剥夺法造模,其中28只顺利完成造模,第2次分组为模型组、针刺组、药物组、针药组,每组各7只。模型组仅造模不干预;针刺组取印堂、神庭配太冲(双)进行针刺,各穴刺激15 s,隔10 min运针1次,每次留针20 min;药物组给予0.83 mg·kg-1·d-1舍曲林和0.067 mg·kg-1·d-1阿普唑仑水溶液灌胃;针药组同时结合针刺组与药物组的2种干预方式;3组均连续干预7 d。【结果】造模的第7、14、21天,与正常组比较,模型组大鼠体质量、Open-field得分、蔗糖偏好值均显著降低(P<0.05);第28天,各干预组体质量、Open-field得分都较模型组显著升高(P<0.05),针药组的Open-field得分提升与针刺组和药物组比较差异均有统计学意义(P<0.05);仅针药组的蔗糖偏好值得到显著提升(P<0.05),且仅针药组的NRD 5-HT1AR m RNA表达显著升高(P<0.05),3个干预组的NRD 5-HT2AR m RNA表达均较模型组显著下调(P<0.05)。【结论】为期7 d的针药结合干预对SDD大鼠起效较快,能明显改善抗抑郁药物起效慢的问题。展开更多
BACKGROUND Single-nucleotide polymorphisms(SNPs)of the serotonin type 3 receptor subunit(HTR3)genes have been associated with psychosomatic symptoms,but it is not clear whether these associations exist in irritable bo...BACKGROUND Single-nucleotide polymorphisms(SNPs)of the serotonin type 3 receptor subunit(HTR3)genes have been associated with psychosomatic symptoms,but it is not clear whether these associations exist in irritable bowel syndrome(IBS).AIM To assess the association of HTR3 polymorphisms with depressive,anxiety,and somatization symptoms in individuals with IBS.METHODS In this retrospective study,623 participants with IBS were recruited from five specialty centers in Germany,Sweden,the United States,the United Kingdom,and Ireland.Depressive,anxiety,and somatization symptoms and sociodemographic characteristics were collected.Four functional SNPs—HTR3A c.-42C>T,HTR3B c.386A>C,HTR3C c.489C>A,and HTR3E c.*76G>A—were genotyped and analyzed using the dominant and recessive models.We also performed separate analyses for sex and IBS subtypes.SNP scores were calculated as the number of minor alleles of the SNPs above.The impact of HTR3C c.489C>A was tested by radioligand-binding and calcium influx assays.RESULTS Depressive and anxiety symptoms significantly worsened with increasing numbers of minor HTR3C c.489C>A alleles in the dominant model(F_(depressive)=7.475,P_(depressive)=0.006;F_(anxiety)=6.535,P_(anxiety)=0.011).A higher SNP score(range 0-6)was linked to a worsened depressive symptoms score(F=7.710,P-linear trend=0.006)in IBS.The potential relevance of the HTR3C SNP was corroborated,showing changes in the expression level of 5-HT3AC variant receptors.CONCLUSION We have provided the first evidence that HTR3C c.489C>A is involved in depressive and anxiety symptoms in individuals with IBS.The SNP score indicated that an increasing number of minor alleles is linked to the worsening of depressive symptoms in IBS.展开更多
基金results in part from collaboration and network activities promoted under the frame of the international network GENIEUR (Genes in Irritable Bowel Syndrome Research Network Europe),which has been funded by the COST program (BM1106, www.GENIEUR.eu)currently supported by the European Society of Neurogastroenterology and Motility (ESNM, www.ESNM.eu)
文摘BACKGROUND Single-nucleotide polymorphisms(SNPs)of the serotonin type 3 receptor subunit(HTR3)genes have been associated with psychosomatic symptoms,but it is not clear whether these associations exist in irritable bowel syndrome(IBS).AIM To assess the association of HTR3 polymorphisms with depressive,anxiety,and somatization symptoms in individuals with IBS.METHODS In this retrospective study,623 participants with IBS were recruited from five specialty centers in Germany,Sweden,the United States,the United Kingdom,and Ireland.Depressive,anxiety,and somatization symptoms and sociodemographic characteristics were collected.Four functional SNPs—HTR3A c.-42C>T,HTR3B c.386A>C,HTR3C c.489C>A,and HTR3E c.*76G>A—were genotyped and analyzed using the dominant and recessive models.We also performed separate analyses for sex and IBS subtypes.SNP scores were calculated as the number of minor alleles of the SNPs above.The impact of HTR3C c.489C>A was tested by radioligand-binding and calcium influx assays.RESULTS Depressive and anxiety symptoms significantly worsened with increasing numbers of minor HTR3C c.489C>A alleles in the dominant model(F_(depressive)=7.475,P_(depressive)=0.006;F_(anxiety)=6.535,P_(anxiety)=0.011).A higher SNP score(range 0-6)was linked to a worsened depressive symptoms score(F=7.710,P-linear trend=0.006)in IBS.The potential relevance of the HTR3C SNP was corroborated,showing changes in the expression level of 5-HT3AC variant receptors.CONCLUSION We have provided the first evidence that HTR3C c.489C>A is involved in depressive and anxiety symptoms in individuals with IBS.The SNP score indicated that an increasing number of minor alleles is linked to the worsening of depressive symptoms in IBS.
