Central mechanisms of emesis: A role for GDF15.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing mechanistic and translational evidence without primary clinical data.
PubMed 39108013 · doi:10.1111/nmo.14886
What was done
This narrative review synthesizes published evidence regarding growth differentiation factor 15 (GDF15) and its hindbrain-restricted receptor, GDNF family receptor α-like (GFRAL), examining their roles in central neural pathways mediating nausea, emesis, and food aversion across various medical conditions.
What was found
The abstract reports no quantitative data or statistical comparisons. It summarizes mechanistic evidence that GDF15 acts via hindbrain GFRAL activation to elicit anorexia, nausea, emesis, and conditioned food aversions in contexts such as chemotherapy-induced emesis, hyperemesis gravidarum, and cyclic vomiting syndrome.
Why it matters
It frames the GDF15-GFRAL axis primarily as a nausea- and emesis-inducing pathway rather than purely a regulator of energy homeostasis, informing therapeutic strategies for cachexia, pregnancy sickness, and treatment-related malaise.
Limits
The abstract provides no primary data, systematic search criteria, or quantitative metrics. Specific human trial outcomes, sample sizes, and effect magnitudes are not detailed.