Abstract：
:The objective of the present study is to synthesize the existing empirical literature and perform a meta-analysis of published data on the relationship between cortisol and telomere length. We systematically searched studies that examined the relationship between cortisol and telomere length in humans on electronic databases and screened reference sections of included articles. Fourteen studies were included in the meta-analysis, with effect sizes being extracted for two cortisol measures: basal cortisol levels and cortisol reactivity to acute psychological stress. Results from random effects models showed that basal cortisol levels (13 effect sizes from 12 cross-sectional studies, N = 3675 participants) were not significantly correlated with telomere length (r =-0.05, 95% CI [-0.11, 0.02]). Further, results stratified by the specimen type for cortisol measurement (i.e., saliva, urine, blood) showed that none of the three basal cortisol level measures were correlated with telomere length. However, we found a statistically significant correlation between salivary cortisol reactivity to acute psychosocial stress (6 cross-sectional studies, N = 958 participants) and telomere length (r = -0.13, 95% CI [-0.23, -0.03]). Subgroup analyses revealed that correlations between salivary cortisol reactivity and telomere length were more evident in studies conducted among children (vs. adults) and in studies that included female participants only (vs. both genders). However, the small number of available studies limits the conclusions derived from subgroup analyses, and more studies are needed before moderator effects can be properly established. Overall, findings of this study support the existence of a relationship between cortisol reactivity and telomere shortening.
journal_name
Psychoneuroendocrinologyjournal_title
Psychoneuroendocrinologyauthors
Jiang Y,Da W,Qiao S,Zhang Q,Li X,Ivey G,Zilioli Sdoi
10.1016/j.psyneuen.2019.01.022subject
Has Abstractpub_date
2019-05-01 00:00:00pages
163-172eissn
0306-4530issn
1873-3360pii
S0306-4530(18)30907-7journal_volume
103pub_type
杂志文章,meta分析abstract：:17ß-Estradiol (E2) is a potent neuromodulator capable of producing changes in inhibitory synaptic transmission by either changing pre-synaptic GABA release or post-synaptic GABAA receptor function. Physiologically, E2 is important for energy homeostasis, influencing food consumption, body weight, adipose tissue metabo...
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pub_type： 临床试验,杂志文章
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pub_type： 杂志文章
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pub_type： 临床试验,杂志文章,随机对照试验
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pub_type： 杂志文章
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