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Medical Disclaimer
The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education, does not create any patient-physician relationship, and should not be used as a substitute for professional diagnosis and treatment.
Blood group, Cromer system
Overview
The Cromer blood group system (CROM) consists of 12 high-prevalence and 3 low-prevalence antigens that reside on decay-accelerating factor (DAF, or CD55; {125240}), a regulator of complement activation. Nearly all Cromer antigens result from SNPs in the DAF gene. The red blood cells (RBCs) of people with the Cromer-null phenotype, Inab, lack DAF but do not appear to show increased susceptibility to hemolysis. Antibodies to Cromer antigens are rarely encountered, although evidence suggests that the antibodies may cause accelerated destruction of transfused RBCs. Cromer system antibodies are not associated with hemolytic disease of the newborn, because placenta is a rich source of fetally derived DAF, which is thought to absorb the antibodies (review by {11:Storry et al., 2010}).
The Inab phenotype is associated with CHAPLE syndrome ({226300}) in some individuals. Source: Online Mendelian Inheritance in Man
Trusted Medical Sites
Genetic & Rare Diseases Information Center (GARD)
GARD provides the public with access to current, reliable, and easy-to-understand information about rare or genetic diseases in English or Spanish.
Support Organizations
Support organizations can provide help and guidance in areas such as peer matching, education and training, and therapy and counseling.
Disease Resources
Resources can help guide your quest for factual and reliable information.
Displaying 1-4 of 4 results.
The Progeria Handbook; A Guide for Families and Health Care Providers of Children with Progeria.
This 100-page handbook helps answer many questions for children with Progeria about how to optimize quality of life through daily care and medical treatment. Contains basic health facts,daily care recommendations and extensive treatment guidelines.
AAMDSIF Online Academy (webinars)
200+ FREE webinars for patients, families and caregivers about rare blood cancers and bone marrow failure diseases.
Educational Resources
Publications, links to patient conferences and webinars
Disease Information
Descriptions of various rare blood cancers and bone marrow failure diseases.