Progressive hypotoniaLow muscle tone; the body can feel floppy.-intellectual disabilityDifficulties with learning and everyday thinking skills that start in childhood.-facial dysmorphism syndrome due to FYVE-defective RBSN is a rare condition linked to the RBSN geneAn instruction in the body for making one protein. Each person has two copies of most genes.. How do we know this?

No two people with this condition are the same, and not everything on this page will apply to everyone.

Looking up how many people live with this… How do we know this?

Looking for patient groups…

• Write down your questions and take them to your next appointment (ours are below).

1. Has a geneAn instruction in the body for making one protein. Each person has two copies of most genes. change been found, and is it the kind usually seen in progressive hypotoniaLow muscle tone; the body can feel floppy.-intellectual disabilityDifficulties with learning and everyday thinking skills that start in childhood.-facial dysmorphism syndrome due to FYVE-defective RBSN?
2. Is there a treatment for this condition, or a study we could join?
3. Should we see a genetic counsellorA specialist who explains genetic test results and what they mean for a family. about what this means for the rest of the family?

Looking for studies… Search ClinicalTrials.gov yourself ↗