The abstract reports neurological symptoms including facial nerve palsy in SGMS2 patients, but provides no mechanistic explanation for how bone-expressed sphingomyelin metabolism affects peripheral nerve function. This gap is critical for understanding the full phenotypic spectrum and potential neurological complications. Gap type: unexplained_observation Source paper: Osteoporosis and skeletal dysplasia caused by pathogenic variants in SGMS2. (2019, JCI insight, PMID:30779713)
Landscape Summary: How does sphingomyelin synthase dysfunction cause peripheral facial nerve palsy and neurological manifestations? is a 0.79 priority gap in peripheral-neuropathy. It has 0 linked hypotheses with average composite score 0.000. Status: open.
Colonna, Sevlever, et al. (TREM2 biology)
How does sphingomyelin synthase dysfunction cause peripheral facial nerve palsy and neurological manifestations? — INVOKE-2 (completed)
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