Glucagon receptor mRNA distribution in rat tissues.
Level 5 - mechanism / opinion, no new human data
Non-human animal bench/laboratory tissue study
PubMed 8532603 · doi:10.1016/0196-9781(95)00078-x
What was done
Researchers examined various rat tissues to determine the expression patterns and relative distribution of glucagon receptor mRNA across metabolic and non-metabolic organs.
What was found
The abstract provides no numerical measurements, assay details, or statistical data. It reports that glucagon receptor mRNA expression was relatively abundant in the liver, kidney, heart, adipose tissue, spleen, pancreatic islets, ovary, and thymus, while lower levels were detected in the stomach, small intestine, adrenal gland, thyroid, and skeletal muscle.
Why it matters
Identifying glucagon receptor transcripts in immune and non-classical tissues (such as spleen, thymus, and ovary) suggests that glucagon may mediate physiological functions beyond hepatic glucose regulation.
Limits
The abstract does not state sample size (number of animals), specific measurement methods, or quantitative data. As an animal laboratory study, it does not confirm functional receptor protein translation or applicability to human physiology.
Cited by
- context Skeletal muscle tissue does not express glucagon receptors.