Full
Outline
To explore the genetic causal association between six sleep characteristics and constipation using Mendelian randomization analysis.
This study selected the genome-wide association study data of six sleep characteristics from the OpenGWAS database of the Medical Research Council Integrative Epidemiology Unit at University of Bristol and the genome-wide association study data of constipation from the catalog database of Genome Wide Association Study.The inverse variance weighted method(IVW) was adopted as the main analysis method to evaluate the causal relationship between the six sleep characteristics and constipation.MR-Egger and weighted median method(WM) were used as supplementary evidence for the IVW results.At the same time,heterogeneity and horizontal pleiotropy tests were conducted to ensure the stability of the results.The instrumental variables of the positive results were annotated,and enrichment analysis of related genes was performed to predict their potential mechanisms.
The IVW method results showed that insomnia increased the risk of constipation(P=0.002),and sleep duration also affected constipation(P=0.026).Sensitivity analysis indicated that the results were stable.Gene enrichment analysis revealed that insomnia may affect the occurrence of constipation through the immune system pathway,while sleep duration may exert its effect through mechanisms such as regulating the intestinal-brain neural function and catecholamine secretion.
Insomnia is a risk factor for constipation.Ensuring adequate sleep has guiding significance for the prevention and treatment of constipation.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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