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Glucocerebrosidase mutations among African-American patients with type 1 Gaucher disease. 2001

J K Park, and V Koprivica, and D Q Andrews, and V Madike, and N Tayebi, and D L Stone, and E Sidransky
Clinical Neuroscience Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892, USA.

While the inherited deficiency of the enzyme glucocerebrosidase (Gaucher disease) is panethnic in its distribution, there have not been studies of the mutations encountered in specific ethnic groups in the United States, other than those on Ashkenazi Jews. We present the clinical descriptions and genotypes of seven patients of African-American ancestry with type 1 Gaucher disease, and summarize the published literature regarding the genotypes encountered in this population. All seven of the patients had moderate-to-severe manifestations of the disease, and all developed symptoms by adolescence. Genotypic analyses revealed that no two probands shared the same genotype. The common mutations N370S, c.84-85insG, IVS2+1 G-->A, and R463C were not seen. Mutation L444P was present on one allele in each of the patients; but the same mutation was encountered as a single point mutation in three of the patients, and as part of a recombinant allele in four of the patients. Southern blot analyses revealed a glucocerebrosidase fusion allele in one patient, and a duplication resulting from recombination in the region downstream from the glucocerebrosidase gene in three of the patients. Five different point mutations (A90T, R48W, N117D, R170C, and V352L), one deletion mutation (c.222-224 delTAC), and one insertion mutation (c.153-154 insTACAGC) were encountered. Our results demonstrate that there is significant genotypic heterogeneity among African-American patients with type 1 Gaucher disease, and that recombinations in the glucocerebrosidase gene locus are particularly common in this patient group. Published 2001 Wiley-Liss, Inc.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D001741 Black or African American A person having origins in any of the black racial groups of Africa (https://www.federalregister.gov/documents/1997/10/30/97-28653/revisions-to-the-standards-for-the classification-of-federal-data-on-race-and-ethnicity). In the United States it is used for classification of federal government data on race and ethnicity. Race and ethnicity terms are self-identified social construct and may include terms outdated and offensive in MeSH to assist users who are interested in retrieving comprehensive search results for studies such as in longitudinal studies. African American,African Americans,African-American,Afro-American,Afro-Americans,Black Americans,Blacks,Negroes,African-Americans,Negro,Afro American,Afro Americans,American, African,American, Black,Black American
D004252 DNA Mutational Analysis Biochemical identification of mutational changes in a nucleotide sequence. Mutational Analysis, DNA,Analysis, DNA Mutational,Analyses, DNA Mutational,DNA Mutational Analyses,Mutational Analyses, DNA
D005260 Female Females
D005776 Gaucher Disease An autosomal recessive disorder caused by a deficiency of acid beta-glucosidase (GLUCOSYLCERAMIDASE) leading to intralysosomal accumulation of glycosylceramide mainly in cells of the MONONUCLEAR PHAGOCYTE SYSTEM. The characteristic Gaucher cells, glycosphingolipid-filled HISTIOCYTES, displace normal cells in BONE MARROW and visceral organs causing skeletal deterioration, hepatosplenomegaly, and organ dysfunction. There are several subtypes based on the presence and severity of neurological involvement. Cerebroside Lipidosis Syndrome,Gaucher Disease Type 1,Gaucher Disease Type 2,Glucocerebrosidase Deficiency Disease,Glucosylceramide Beta-Glucosidase Deficiency Disease,Neuronopathic Gaucher Disease,Acid beta-Glucosidase Deficiency,Acid beta-Glucosidase Deficiency Disease,Acute Neuronopathic Gaucher Disease,Chronic Gaucher Disease,GBA Deficiency,Gaucher Disease Type 3,Gaucher Disease, Acute Neuronopathic,Gaucher Disease, Acute Neuronopathic Type,Gaucher Disease, Chronic,Gaucher Disease, Chronic Neuronopathic Type,Gaucher Disease, Infantile,Gaucher Disease, Infantile Cerebral,Gaucher Disease, Juvenile,Gaucher Disease, Juvenile and Adult, Cerebral,Gaucher Disease, Neuronopathic,Gaucher Disease, Non-Neuronopathic Form,Gaucher Disease, Noncerebral Juvenile,Gaucher Disease, Subacute Neuronopathic Form,Gaucher Disease, Subacute Neuronopathic Type,Gaucher Disease, Type 1,Gaucher Disease, Type 2,Gaucher Disease, Type 3,Gaucher Disease, Type I,Gaucher Disease, Type II,Gaucher Disease, Type III,Gaucher Splenomegaly,Gaucher Syndrome,Gaucher's Disease,Gauchers Disease,Glucocerebrosidase Deficiency,Glucocerebrosidosis,Glucosyl Cerebroside Lipidosis,Glucosylceramidase Deficiency,Glucosylceramide Beta-Glucosidase Deficiency,Glucosylceramide Lipidosis,Infantile Gaucher Disease,Kerasin Histiocytosis,Kerasin Lipoidosis,Kerasin thesaurismosis,Lipoid Histiocytosis (Kerasin Type),Non-Neuronopathic Gaucher Disease,Subacute Neuronopathic Gaucher Disease,Type 1 Gaucher Disease,Type 2 Gaucher Disease,Type 3 Gaucher Disease,Cerebroside Lipidoses, Glucosyl,Cerebroside Lipidosis Syndromes,Cerebroside Lipidosis, Glucosyl,Deficiencies, GBA,Deficiencies, Glucocerebrosidase,Deficiency Disease, Glucocerebrosidase,Deficiency Diseases, Glucocerebrosidase,Deficiency, GBA,Deficiency, Glucocerebrosidase,Disease, Chronic Gaucher,Disease, Gaucher,Disease, Gaucher's,Disease, Gauchers,Disease, Glucocerebrosidase Deficiency,Disease, Infantile Gaucher,Disease, Juvenile Gaucher,Disease, Neuronopathic Gaucher,Disease, Non-Neuronopathic Gaucher,Diseases, Gauchers,Diseases, Glucocerebrosidase Deficiency,GBA Deficiencies,Gaucher Disease, Non Neuronopathic Form,Gaucher Disease, Non-Neuronopathic,Gauchers Diseases,Glucocerebrosidase Deficiencies,Glucocerebrosidase Deficiency Diseases,Glucocerebrosidoses,Glucosyl Cerebroside Lipidoses,Glucosylceramide Lipidoses,Histiocytoses, Kerasin,Histiocytoses, Lipoid (Kerasin Type),Histiocytosis, Kerasin,Histiocytosis, Lipoid (Kerasin Type),Juvenile Gaucher Disease,Kerasin Histiocytoses,Kerasin Lipoidoses,Kerasin thesaurismoses,Lipidoses, Glucosyl Cerebroside,Lipidoses, Glucosylceramide,Lipidosis Syndrome, Cerebroside,Lipidosis Syndromes, Cerebroside,Lipidosis, Glucosyl Cerebroside,Lipidosis, Glucosylceramide,Lipoid Histiocytoses (Kerasin Type),Lipoidoses, Kerasin,Lipoidosis, Kerasin,Non Neuronopathic Gaucher Disease,Splenomegaly, Gaucher,Syndrome, Cerebroside Lipidosis,Syndrome, Gaucher,Syndromes, Cerebroside Lipidosis,thesaurismoses, Kerasin,thesaurismosis, Kerasin
D005838 Genotype The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS. Genogroup,Genogroups,Genotypes
D005962 Glucosylceramidase A glycosidase that hydrolyzes a glucosylceramide to yield free ceramide plus glucose. Deficiency of this enzyme leads to abnormally high concentrations of glucosylceramide in the brain in GAUCHER DISEASE. EC 3.2.1.45. Glucocerebrosidase,Acid beta-Glucosidase,Glucocerebroside beta-Glucosidase,Glucosyl Ceramidase,Glucosylceramide beta-Glucosidase,Glucosylsphingosine Glucosyl Hydrolase,beta-Glucocerebrosidase,Acid beta Glucosidase,Ceramidase, Glucosyl,Glucocerebroside beta Glucosidase,Glucosyl Hydrolase, Glucosylsphingosine,Glucosylceramide beta Glucosidase,Hydrolase, Glucosylsphingosine Glucosyl,beta Glucocerebrosidase,beta-Glucosidase, Acid,beta-Glucosidase, Glucocerebroside,beta-Glucosidase, Glucosylceramide

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