Reorganization of pancreas circadian transcriptome with aging.

Reorganization of pancreas circadian transcriptome with aging.
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DOI:
10.18632/aging.204929
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发表时间:
2023-08-29
期刊:
Aging
影响因子:
--
通讯作者:
Bishehsari F
Bishehsari F
中科院分区:
其他
文献类型:
--
作者:
Sharma D;Wessel CR;Mahdavinia M;Preuss F;Bishehsari F

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进化上保守的昼夜节律系统允许生物体与24小时循环的环境时间线索同步内部过程,确保最佳适应。像其他器官一样,胰腺的功能是受昼夜节律控制的。最近的证据表明,衰老本身与不同组织的昼夜节律平衡改变有关,这可能影响器官对衰老相关疾病的恢复能力。胰腺的病理内分泌或外分泌成分都与年龄有关。胰腺昼夜转录组输出是否受年龄影响尚不清楚。为了解决这个问题,我们分析了年龄对整个昼夜周期胰腺转录组的影响,并阐明了衰老对胰腺昼夜转录组的重组。我们的研究强调了衰老胰腺外源性细胞通路节律的增加,并扩展了成纤维细胞相关机制的潜在作用。
The evolutionarily conserved circadian system allows organisms to synchronize internal processes with 24-h cycling environmental timing cues, ensuring optimal adaptation. Like other organs, the pancreas function is under circadian control. Recent evidence suggests that aging by itself is associated with altered circadian homeostasis in different tissues which could affect the organ’s resiliency to aging-related pathologies. Pancreas pathologies of either endocrine or exocrine components are age-related. Whether pancreas circadian transcriptome output is affected by age is still unknown. To address this, here we profiled the impact of age on the pancreatic transcriptome over a full circadian cycle and elucidated a circadian transcriptome reorganization of pancreas by aging. Our study highlights gain of rhythms in the extrinsic cellular pathways in the aged pancreas and extends a potential role to fibroblast-associated mechanisms.
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