Innate immune receptors in skeletal muscle metabolism.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic literature and expression studies with no new clinical or trial data.
PubMed 28232117 · doi:10.1016/j.yexcr.2017.02.035
What was done
This narrative review summarizes baseline mRNA expression profiles of innate immune receptors, specifically Toll-like and NOD-like receptors, in human skeletal muscle. It also surveys existing literature investigating how these receptors potentially modulate skeletal muscle metabolism, whole-body insulin sensitivity, obesity, and diabetes.
What was found
The abstract provides no specific quantitative values or sample sizes. It reports that Toll-like and NOD-like receptors are expressed at the mRNA level in human skeletal muscle and notes that immune-derived signals act within metabolically active tissues to influence metabolic regulation.
Why it matters
Skeletal muscle is the primary site of postprandial glucose disposal, making its metabolic regulation central to understanding insulin resistance. Mapping how innate immune receptors operate in muscle tissue helps clarify how chronic inflammation contributes to metabolic disorders such as type 2 diabetes.
Limits
The abstract describes a narrative review rather than a systematic review or primary clinical trial. No specific statistical estimates, effect sizes, or study counts are provided. The functional consequences and causal mechanisms linking innate immune receptor expression to whole-body metabolic outcomes in humans remain largely undefined.
Cited by
- supports Skeletal muscle is the primary site where the human body clears glucose from the bloodstream.