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Disease Profile
HAIR-AN syndrome
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.
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Age of onset
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ICD-10
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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
Other names (AKA)
Hyperandrogenism (HA), insulin resistance (IR), and acanthosis nigricans (AN); Hyperandrogenic, insulin-resistant acanthosis nigricans syndrome
Summary
HAIR-AN
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
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Hormone Health Network
Toll-free: 1-800-HORMONE (1-800-467-6663)
E-mail: hormone@endocrine.org
Website: https://www.hormone.org
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.
Where to Start
- The New Zealand Dermatological Society, Inc. Web site has a resource page on acanthosis nigricans. Click on the link above to view the information page.
In-Depth Information
- 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 HAIR-AN syndrome. Click on the link to view a sample search on this topic.
Selected Full-Text Journal Articles
- Elmer KB, George RM. HAIR-AN syndrome: a multisystem challenge. Am Fam Physician. 2001 Jun 15;63(12):2385-90.
References
- Hirsutism and polycystic ovarian syndrome: A guide for patients. American Society for Reproductive Medicine. 2003; https://www.asrm.org/uploadedFiles/ASRM_Content/Resources/Patient_Resources/Fact_Sheets_and_Info_Booklets/hirsutismPCOS.pdf. Accessed 5/27/2011.
- Elmer KB, George RM. HAIR-AN syndrome: a multisystem challenge. Am Fam Physician. 2001 Jun 15;63(12):2385-90; https://www.aafp.org/afp/2001/0615/p2385.html. Accessed 5/27/2011.
- Omar H. HAIR-AN syndrome. Orphanet. November 2008; https://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=GB&Expert=34412. Accessed 5/27/2011.