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RFT1-CDG
Disease definition
RFT1-CDG is a form of congenital disorders of N-linked glycosylation characterized by poorly coordinated suck resulting in difficulty feeding and failure to thrive; myoclonic jerks with hypotonia and brisk reflexes progressing to a seizure disorder; roving eyes; developmental delay; poor to absent visual contact; and sensorineural hearing loss. Additional features that may be observed include coagulation factor abnormalities, inverted nipples and microcephaly. The disease is caused by mutations in the gene RFT1 (3p21.1).
ORPHA:244310
Classification level: Disorder- Synonym(s):
- CDG syndrome type In
- CDG-In
- CDG1N
- Carbohydrate deficient glycoprotein syndrome type In
- Congenital disorder of glycosylation type 1n
- Congenital disorder of glycosylation type In
- Man5GlcNAc2-PP-Dol flippase deficiency
- Prevalence: <1 / 1 000 000
- Inheritance: Autosomal recessive
- Age of onset: Neonatal, Infancy
- ICD-10: E77.8
- OMIM: 612015
- UMLS: C2677590
- MeSH: -
- GARD: 12394
- MedDRA: -
A summary on this disease is available in Español (2016) Italiano (2016) Nederlands (2016)
Detailed information
Disease review articles
- Clinical genetics review
- English (2017) - GeneReviews


Additional information
Further information on this disease
Patient-centred resources for this disease
Research activities on this disease
Specialised Social Services
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.