Rare Pediatrics News
Disease Profile
GMPPA-CDG
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.
#N/A
Age of onset
#N/A
ICD-10
#N/A
Inheritance
Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease.
Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype.
X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.
Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.
Not applicable
Summary
GMPPA
Symptoms
- Alacrima (reduced or absent tears production)
- Feeding difficulties due to achalasia
- Delayed psychomotor development with speech delay
- Poor muscle tone
- Gait abnormalities
Spasticity - Nasal speech
- Visual problems
- Hearing impairment
- Decreased sweating
- Postural hypotension
- Anisocoria
- Skin thickening (hyperkeratosis).
This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
Medical Terms | Other Names |
Learn More:
HPO ID
|
---|---|---|
5%-29% of people have these symptoms | ||
Anisocoria |
Asymmetric pupil sizes
Asymmetry of the pupils
Unequal pupil size
[ more ] |
0009916 |
Gait disturbance |
Abnormal gait
Abnormal walk
Impaired gait
[ more ] |
0001288 |
Generalized |
Decreased muscle tone
Low muscle tone
[ more ] |
0001290 |
Hearing impairment |
Deafness
Hearing defect
[ more ] |
0000365 |
Hyperkeratosis | 0000962 | |
Hypohidrosis |
Decreased ability to sweat
Decreased sweating
Sweating, decreased
[ more ] |
0000966 |
Nasal speech |
Nasal voice
|
0001611 |
Involuntary, rapid, rhythmic eye movements
|
0000639 | |
Orthostatic hypotension |
Decrease in blood pressure upon standing up
|
0001278 |
Sensory impairment | 0003474 | |
Cross-eyed
Squint
Squint eyes
[ more ] |
0000486 | |
Percent of people who have these symptoms is not available through HPO | ||
Achalasia | 0002571 | |
Alacrima |
Absence of tears in the eyes
Absent tear secretion
[ more ] |
0000522 |
0000007 | ||
Poor swallowing
Swallowing difficulties
Swallowing difficulty
[ more ] |
0002015 | |
Feeding difficulties |
Feeding problems
Poor feeding
[ more ] |
0011968 |
Global |
0001263 | |
Mental deficiency
Mental retardation
Mental retardation, nonspecific
Mental-retardation
[ more ] |
0001249 |
Cause
Treatment
Organizations
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
Organizations Supporting this Disease
-
CDG CARE
PO Box 38832
Colorado Springs, CO 80937
Toll-free: (866) 295-7910
E-mail: [email protected]
Website: https://cdgcare.com/
Learn more
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
In-Depth Information
- Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine.
References
- Alacrima, achalasia, and mental retardation syndrome. OMIM. May, 2013; https://www.omim.org/entry/615510.
- Koehler K & cols. Mutations in GMPPA cause a glycosylation disorder characterized by intellectual disability and autonomic dysfunction. Am. J. Hum. Genet. 2013; 93:727-734. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3791256/.
- Spechler SJ. Patient information: Achalasia (Beyond the Basics). UpToDate. February, 2016; https://www.uptodate.com/contents/achalasia-beyond-the-basics.
- DeAngelis DD. Alacrima. Medscape Reference. 2014; https://emedicine.medscape.com/article/1210539-overview.
- GMPPA GDP-mannose pyrophosphorylase A [ Homo sapiens (human) ]. NCBI. April, 2016; https://www.ncbi.nlm.nih.gov/gene/29926.
- Boston BA & Marks DL. Allgrove (AAA) Syndrome. Medscape Reference. February 27, 2013; https://emedicine.medscape.com/article/919360-treatment.
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