TMEM199-CDG
Synonyms: CDG syndrome type IIp | CDG-IIp | CDG2P | Carbohydrate deficient glycoprotein syndrome type IIp | Congenital disorder of glycosylation type 2p | Congenital disorder of glycosylation type IIp
A rare congenital disorder of glycosylation characterized by chronic non-progressive liver disease manifesting as mild steatosis with elevated serum transaminases and alkaline phosphatase hypercholesterolemia and decreased coagulation factors and ceruloplasmin. Transferrin glycosylation pattern is consistent with a type 2 congenital disorder of glycosylation. Liver biopsy may show mild non-progressive fibrosis. Patients usually remain asymptomatic although delayed psychomotor development and hypotonia have been reported in single cases.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version December 2023
Newly diagnosed with
TMEM199-CDG?
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Advocacy Organizations
CDG CARE
Our mission is to promote greater awareness and understanding of CDG & NGLY1-Deficiency, to provide information and support to families affected by CDG & NGLY1, and to advocate for and fund scientific research to advance the diagnosis and treatment of CDG & NGLY1-Deficiency.
CDG Canada
CDG Canada supports patients and families affected by Congenital Disorders of Glycosylation (CDG).
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Mississippi Metabolics Foundation
Mississippi Metabolics Foundation (MMF) was founded to raise awareness, educate, and provide support to those living or caring for someone with genetic metabolic disorders/inborn errors of metabolism (IEM).
Moonshots for Unicorns
Curing single-gene disorders
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Clinical Trials
For a list of clinical trials in this disease area, please click here.