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Published on: February 21, 2018
Expression of Rap1GAP in human myeloid disease following microarray selection
1Leukemia Research Division, Jiangsu Institute of Hematology, Key Laboratory of Thrombosis and Hemostasis, Ministry of Health, First Affiliated Hospital, Soochow University, Suzhou, China.
Genetics and Molecular Research : GMR
|June 14, 2008
Summary
Researchers investigated gene expression in myelodysplastic syndrome (MDS) to uncover causes. They found RAP1GAP gene over-expression in MDS patients, suggesting its role in the disease's development.
Area of Science:
- Hematology
- Molecular Biology
- Genetics
Background:
- Primary myelodysplastic syndrome (MDS) is a group of clonal hematopoietic stem cell disorders.
- The underlying molecular mechanisms driving MDS pathogenesis remain incompletely understood.
Purpose of the Study:
- To identify differentially expressed genes in patients with primary myelodysplastic syndrome (MDS).
- To investigate the potential role of identified genes in MDS development.
Main Methods:
- Gene expression profiling of CD34+ cells and bone marrow mononuclear cells from MDS patients using oligonucleotide and cDNA microarrays.
- Bioinformatics analysis and clustering to identify candidate genes.
- Validation of candidate gene expression using quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR).
Main Results:
- Several genes showed differential expression in MDS patients compared to normal controls.
- The RAP1GAP gene was significantly over-expressed in MDS patients compared to those with other hematologic diseases, including leukemia (P < 0.01).
Conclusions:
- Over-expression of the RAP1GAP gene is a potential characteristic of MDS.
- RAP1GAP may play a significant role in the pathogenesis of myelodysplastic syndrome.

