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  1. Home
  2. Diseases
  3. DPM1-CDG (CDG-Ie)
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DPM1-CDG (CDG-Ie)


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Other Names:
CDG 1E; CDG1E; Carbohydrate-deficient glycoprotein syndrome type 1E; CDG 1E; CDG1E; Carbohydrate-deficient glycoprotein syndrome type 1E; DPM1-CDG (CDG-Ie); CONGENITAL DISORDER OF GLYCOSYLATION, TYPE Ie; CDG syndrome type Ie; CDG-Ie; Dol-P-mannosyltransferase deficiency; Congenital disorder of glycosylation type 1e; Carbohydrate deficient glycoprotein syndrome type Ie; Congenital disorder of glycosylation type Ie; DPM1-CDG See More
Categories:
Congenital and Genetic Diseases; Metabolic disorders; Nervous System Diseases
This disease is grouped under:
Congenital disorders of glycosylation

Summary Summary


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The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs.
orphanet

Orpha Number: 79322

Definition
The CDG (Congenital Disorders of Glycosylation) syndromes are a group of autosomal recessive disorders affecting glycoprotein synthesis. CDG syndrome type Ie is characterised by psychomotor delay, seizures, hypotonia, facial dysmorphism and microcephaly. Ocular anomalies are also very common.

Epidemiology
The syndrome has been described in seven children.

Etiology
It is caused by mutations in the DPM gene (localised to the q13.13 region of chromosome 20) leading to a deficiency in the endoplasmic reticulum enzyme dolichol-P-mannose synthase 1.

Visit the Orphanet disease page for more resources.
Last updated: 12/1/2006

Symptoms Symptoms


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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.

Showing of 50 |
Medical Terms Other Names
Learn More:
HPO ID
80%-99% of people have these symptoms
Abnormality of vision
Abnormality of sight
Vision issue
[ more ]
0000504
Microcephaly
Abnormally small skull
Decreased circumference of cranium
Decreased size of skull
Reduced head circumference
Small head circumference
[ more ]
0000252
Muscular hypotonia
Low or weak muscle tone
0001252
Seizure 0001250
Severe global developmental delay 0011344
Percent of people who have these symptoms is not available through HPO
Abnormal macular morphology 0001103
Ankle flexion contracture 0006466
Ataxia 0001251
Autosomal recessive inheritance 0000007
Camptodactyly
Permanent flexion of the finger or toe
0012385
Cerebral visual impairment 0100704
Depressed nasal bridge
Depressed bridge of nose
Flat bridge of nose
Flat nasal bridge
Flat, nasal bridge
Flattened nasal bridge
Low nasal bridge
Low nasal root
[ more ]
0005280
Downslanted palpebral fissures
Downward slanting of the opening between the eyelids
0000494
EEG abnormality 0002353
Elevated serum creatine kinase
Elevated blood creatine phosphokinase
Elevated circulating creatine phosphokinase
Elevated creatine kinase
Elevated serum CPK
Elevated serum creatine phosphokinase
High serum creatine kinase
Increased CPK
Increased creatine kinase
Increased creatine phosphokinase
Increased serum CK
Increased serum creatine kinase
Increased serum creatine phosphokinase
[ more ]
0003236
Failure to thrive
Faltering weight
Weight faltering
[ more ]
0001508
Flat occiput 0005469
Generalized hypotonia
Decreased muscle tone
Low muscle tone
[ more ]
0001290
Hemangioma
Strawberry mark
0001028
Hepatomegaly
Enlarged liver
0002240
High, narrow palate
Narrow, high-arched roof of mouth
Narrow, highly arched roof of mouth
[ more ]
0002705
Hypertelorism
Wide-set eyes
Widely spaced eyes
[ more ]
0000316
Infantile onset
Onset in first year of life
Onset in infancy
[ more ]
0003593
Knee flexion contracture 0006380
Lower limb hyperreflexia
Overactive lower leg reflex
0002395
Micrognathia
Little lower jaw
Small jaw
Small lower jaw
[ more ]
0000347
Muscular dystrophy 0003560
Nail dysplasia
Atypical nail growth
0002164
Nystagmus
Involuntary, rapid, rhythmic eye movements
0000639
Optic atrophy 0000648
Patent ductus arteriosus 0001643
Pontocerebellar atrophy 0006879
Postnatal microcephaly 0005484
Progressive
Worsens with time
0003676
Prolonged partial thromboplastin time 0003645
Reduced antithrombin III activity 0001976
Reduced protein C activity 0005543
Reduced protein S activity 0004855
Respiratory distress
Breathing difficulties
Difficulty breathing
[ more ]
0002098
Retinopathy
Noninflammatory retina disease
0000488
Short palm 0004279
Small hand
Disproportionately small hands
0200055
Smooth philtrum 0000319
Splenomegaly
Increased spleen size
0001744
Strabismus
Cross-eyed
Squint
Squint eyes
[ more ]
0000486
Telangiectasia 0001009
Tremor 0001337
Type I transferrin isoform profile 0003642
Upper limb undergrowth
Short arms
Shortening of the arms
[ more ]
0009824
Variable expressivity 0003828
Showing of 50 |
Do you have more information about symptoms of this disease? We want to hear from you.
Last updated: 1/1/2021
Do you have updated information on this disease? We want to hear from you.

Diagnosis Diagnosis


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Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.

Testing Resources

  • The Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.

Find a Specialist Find a Specialist


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If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources

  • To find a medical professional who specializes in genetics, you can ask your doctor for a referral or you can search for one yourself. Online directories are provided by the American College of Medical Genetics and the National Society of Genetic Counselors. If you need additional help, contact a GARD Information Specialist. You can also learn more about genetic consultations from Genetics Home Reference.

Research Research


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Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.

Clinical Research Resources

  • ClinicalTrials.gov lists trials that are related to DPM1-CDG (CDG-Ie). Click on the link to go to ClinicalTrials.gov to read descriptions of these studies.

    Please note: Studies listed on the ClinicalTrials.gov website are listed for informational purposes only; being listed does not reflect an endorsement by GARD or the NIH. We strongly recommend that you talk with a trusted healthcare provider before choosing to participate in any clinical study.

Organizations Organizations


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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: info@cdgcare.com
    Website: http://cdgcare.com/
  • Portugese Association for CDG and other Rare Metabolic Diseases (APCDG-DMR)
    Website: http://www.apcdg.com/

Social Networking Websites

  • RareConnect has an online community for patients and families with this condition so they can connect with others and share their experiences living with a rare disease. The project is a joint collaboration between EURORDIS (European Rare Disease Organisation) and NORD (National Organization for Rare Disorders).
Do you know of an organization? We want to hear from you.

Learn More Learn More


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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

  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • 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. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss DPM1-CDG (CDG-Ie). Click on the link to view a sample search on this topic.

GARD Answers GARD Answers


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Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know.

Have a question? Contact a GARD Information Specialist.
You can help advance
rare disease research!
You can help advance rare disease research!
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