创伤性脑损伤
失调
微生物群
激素
医学
生物信息学
认知
肠道菌群
内科学
免疫学
生物
精神科
作者
Peyton Armstrong,Navneet K Venugopal,Traver J. Wright,Kathleen M. Randolph,Richard D Batson,Kevin C.J. Yuen,Brent E. Masel,Melinda Sheffield‐Moore,Randall J. Urban,Richard B. Pyles
标识
DOI:10.1016/j.beem.2023.101841
摘要
The gut microbiome has been implicated in a variety of neuropathologies with recent data suggesting direct effects of the microbiome on host metabolism, hormonal regulation, and pathophysiology. Studies have shown that gut bacteria impact host growth, partially mediated through the growth hormone (GH)/insulin-like growth factor 1 (IGF-1) axis. However, no study to date has examined the specific role of GH on the fecal microbiome (FMB) or the changes in this relationship following a traumatic brain injury (TBI). Current literature has demonstrated that TBI can lead to either temporary or sustained abnormal GH secretion (aGHS). More recent literature has suggested that gut dysbiosis may contribute to aGHS leading to long-term sequelae now known as brain injury associated fatigue and cognition (BIAFAC). The aGHS observed in some TBI patients presents with a symptom complex including profound fatigue and cognitive dysfunction that improves significantly with exogenous recombinant human GH treatment. Notably, GH treatment is not curative as fatigue and cognitive decline typically recur upon treatment cessation, indicating the need for additional studies to address the underlying mechanistic cause.
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