ALG9-CDG
Synonyms: CDG syndrome type IL | CDG-IL | CDG1L | Carbohydrate deficient glycoprotein syndrome type IL | Congenital disorder of glycosylation type 1L | Mannosyltransferase 7-9 deficiency
A form of congenital disorders of N-linked glycosylation characterized by progressive microcephaly hypotonia developmental delay drug-resistant infantile epilepsy and hepatomegaly. Additional features that may be observed include failure to thrive pericardial effusion renal cysts skeletal dysplasia facial dysmorphism (frontal bossing hypertelorism depressed nasal bridge low-seated ears large mouth) and hydrops fetalis. The disease is caused by loss-of-function mutations in the gene ALG9 (11q23).
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
ALG9-CDG?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
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).
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
DDX3X Foundation
Our mission is to connect families, resources, and the medical community to advance research for a treatment or cure to DDX3X Syndrome. Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals.
Genetic Epilepsy Team Australia
Collaboration of research and care
Global Liver Institute
To improve the lives of individuals and families impacted by liver disease through promoting innovation, encouraging collaboration, and scaling optimal approaches to help eradicate liver diseases.
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
Portuguese Association for CDG
The APCDG aims to holistically support families affected by a CDG. Our mission based on the pillars of disease awareness, education, research and to subsequently, speed up the development of therapies that will significantly benefit patients and their family members. We believe that only by adopting a patient-centric approach we will find ways to improve their quality of life.
Project CASK
To fund research for treatment and/or a cure for CASK Gene Disorder
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.