Other Names for this Disease
- Pernicious anemia, juvenile, due to selective intestinal malabsorption of vitamin B12, with proteinuria
- Enterocyte cobalamin malabsorption
- Defect of enterocyte intrinsic factor receptor
- Familial megaloblastic anemia
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vitamin B12 deficiency, often causing megaloblastic anemia. IGS usually appears in childhood. Other features may include failure to thrive, infections, and neurological damage. Mild proteinuria (with no signs of kidney disease) is present in about half of affected individuals. IGS is caused by mutations in either the CUBN or AMN gene and is inherited in an autosomal recessive manner. Treatment includes life-long vitamin B12 injections, with which affected individuals can stay healthy for decades.Imerslund-Grasbeck syndrome (IGS) is a rare condition characterized by
Last updated: 1/6/2014
- Grasbeck R. Imerslund-Grasbeck syndrome. Orphanet. May 2006; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=35858. Accessed 7/6/2011.
- Genetics Home Reference (GHR) contains information on Imerslund-Grasbeck syndrome. This website is maintained by the National Library of Medicine.
- The National Organization for Rare Disorders (NORD) has a report for patients and families about this condition. NORD is a patient advocacy organization for individuals with rare diseases and the organizations that serve them.
- Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
- 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 Imerslund-Grasbeck syndrome. Click on the link to view a sample search on this topic.