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Hereditary stomatocytosis: An underdiagnosed condition
Immacolata Andolfo1,2, Roberta Russo1,2, Antonella Gambale1,2
1Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Napoli, Italy.
American Journal of Hematology
|October 4, 2017
Summary
Hereditary stomatocytoses are anemias caused by red blood cell (RBC) cation transport defects. Recent research has identified new genes and mechanisms, advancing understanding of these hemolytic conditions.
Area of Science:
- Hematology
- Genetics
- Molecular Biology
Background:
- Hereditary stomatocytoses encompass hemolytic anemias stemming from erythrocyte membrane cation flux alterations.
- These conditions lead to abnormal red blood cell (RBC) volume due to increased cation permeability.
Purpose of the Study:
- To review erythrocyte membrane transport diseases, classifying them by phenotype (syndromic vs. nonsyndromic).
- To highlight recent advancements in understanding dehydrated hereditary stomatocytosis and familial pseudohyperkalemia.
Main Methods:
- Literature review focusing on recent genetic discoveries and pathogenetic mechanisms.
- Classification of hereditary stomatocytoses based on clinical manifestations.
Main Results:
- Identification of novel causative genes for hereditary stomatocytoses.
- Elucidation of pathogenetic mechanisms underlying RBC volume dysregulation.
- Distinction between syndromic and nonsyndromic forms of the disease.
Conclusions:
- Significant progress has been made in identifying genes and understanding mechanisms of hereditary stomatocytoses.
- Recent advances focus on dehydrated forms and familial pseudohyperkalemia, offering new insights into erythrocyte disorders.
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