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Psychotropic drug-induced genetic-epigenetic modulation of CRTC1 gene is associated with early weight gain in a prospective study of psychiatric patients.
Clinical Epigenetics ( IF 4.8 ) Pub Date : 2019-12-26 , DOI: 10.1186/s13148-019-0792-0
Aurélie Delacrétaz 1 , Anaïs Glatard 1 , Céline Dubath 1 , Mehdi Gholam-Rezaee 2 , Jose Vicente Sanchez-Mut 3 , Johannes Gräff 3 , Armin von Gunten 4 , Philippe Conus 5 , Chin B Eap 1, 6
Affiliation  

BACKGROUND Metabolic side effects induced by psychotropic drugs represent a major health issue in psychiatry. CREB-regulated transcription coactivator 1 (CRTC1) gene plays a major role in the regulation of energy homeostasis and epigenetic mechanisms may explain its association with obesity features previously described in psychiatric patients. This prospective study included 78 patients receiving psychotropic drugs that induce metabolic disturbances, with weight and other metabolic parameters monitored regularly. Methylation levels in 76 CRTC1 probes were assessed before and after 1 month of psychotropic treatment in blood samples. RESULTS Significant methylation changes were observed in three CRTC1 CpG sites (i.e., cg07015183, cg12034943, and cg 17006757) in patients with early and important weight gain (i.e., equal or higher than 5% after 1 month; FDR p value = 0.02). Multivariable models showed that methylation decrease in cg12034943 was more important in patients with early weight gain (≥ 5%) than in those who did not gain weight (p = 0.01). Further analyses combining genetic and methylation data showed that cg12034943 was significantly associated with early weight gain in patients carrying the G allele of rs4808844A>G (p = 0.03), a SNP associated with this methylation site (p = 0.03). CONCLUSIONS These findings give new insights on psychotropic-induced weight gain and underline the need of future larger prospective epigenetic studies to better understand the complex pathways involved in psychotropic-induced metabolic side effects.

中文翻译:

在精神病患者的一项前瞻性研究中,精神药物诱导的CRTC1基因的遗传表观遗传调控与早期体重增加有关。

背景技术由精神药物引起的代谢副作用代表精神病学中的主要健康问题。CREB调控的转录共激活因子1(CRTC1)基因在能量动态平衡的调控中起着重要作用,表观遗传机制可能解释了它与先前在精神病患者中描述的肥胖特征之间的关系。这项前瞻性研究包括78名接受精神药物治疗的患者,这些药物会诱发代谢紊乱,并定期监测体重和其他代谢参数。在血液样本中进行精神治疗1个月之前和之后,评估了76枚CRTC1探针的甲基化水平。结果在早期和重要体重增加(即体重增加)的患者中,在三个CRTC1 CpG位点(即cg07015183,cg12034943和cg 17006757)观察到了明显的甲基化变化。1个月后等于或高于5%;FDR p值= 0.02)。多变量模型显示,在早期体重增加(≥5%)的患者中,cg12034943的甲基化降低比没有体重增加的患者(p = 0.01)更为重要。结合遗传和甲基化数据进行的进一步分析表明,在携带rs4808844A> G的G等位基因(p = 0.03)(与该甲基化位点相关的SNP)的患者中,cg12034943与早期体重增加显着相关(p = 0.03)。结论这些发现为精神治疗引起的体重增加提供了新的见解,并强调了未来需要进行更大的前瞻性表观遗传学研究,以更好地了解精神治疗引起的代谢副作用的复杂途径。多变量模型显示,在早期体重增加(≥5%)的患者中,cg12034943的甲基化降低比没有体重增加的患者(p = 0.01)更为重要。结合遗传和甲基化数据进行的进一步分析表明,在携带rs4808844A> G的G等位基因(p = 0.03)(与该甲基化位点相关的SNP)的患者中,cg12034943与早期体重增加显着相关(p = 0.03)。结论这些发现为精神治疗引起的体重增加提供了新的见解,并强调了未来需要进行更大的前瞻性表观遗传学研究,以更好地了解精神治疗引起的代谢副作用的复杂途径。多变量模型显示,在早期体重增加(≥5%)的患者中,cg12034943的甲基化降低比没有体重增加的患者(p = 0.01)更为重要。结合遗传和甲基化数据进行的进一步分析表明,在携带rs4808844A> G的G等位基因(p = 0.03)(与该甲基化位点相关的SNP)的患者中,cg12034943与早期体重增加显着相关(p = 0.03)。结论这些发现为精神治疗引起的体重增加提供了新的见解,并强调了未来需要进行更大的前瞻性表观遗传学研究,以更好地了解精神治疗引起的代谢副作用的复杂途径。结合遗传和甲基化数据进行的进一步分析表明,在携带rs4808844A> G的G等位基因(p = 0.03)(与该甲基化位点相关的SNP)的患者中,cg12034943与早期体重增加显着相关(p = 0.03)。结论这些发现为精神治疗引起的体重增加提供了新的见解,并强调了未来需要进行更大的前瞻性表观遗传学研究,以更好地了解精神治疗引起的代谢副作用的复杂途径。结合遗传和甲基化数据进行的进一步分析表明,在携带rs4808844A> G的G等位基因(p = 0.03)(与该甲基化位点相关的SNP)的患者中,cg12034943与早期体重增加显着相关(p = 0.03)。结论这些发现为精神治疗引起的体重增加提供了新的见解,并强调了未来需要进行更大的前瞻性表观遗传学研究,以更好地了解精神治疗引起的代谢副作用的复杂途径。
更新日期:2019-12-27
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