Related Experiment Video
Updated: Apr 12, 2026
06:39
Use of Hematopoietic Stem Cell Transplantation to Assess the Origin of Myelodysplastic Syndrome
Published on: October 3, 2018
10.3K
Genetics factors associated with myelodysplastic syndromes
Luciana Conci Macedo1, Ana Paula Avenia Silvestre1, Camila Rodrigues1
1Sciences Basic Health Department, State University of Maringa, Maringa, PR, Brazil.
Blood Cells, Molecules & Diseases
|May 16, 2015
Summary
Myelodysplastic syndromes (MDS) involve genetic and epigenetic alterations. This review examines genetic factors crucial for MDS diagnosis and understanding its diverse phenotypes.
Area of Science:
- Hematology
- Genetics
- Molecular Biology
Background:
- Myelodysplastic syndromes (MDS) are heterogeneous clonal disorders.
- Chromosomal abnormalities, particularly deletions, are common in MDS patients.
- Recent advances reveal recurrent mutations linked to MDS pathophysiology.
Purpose of the Study:
- To review the role of genetic factors in MDS diagnosis.
- To explore genetic factors in the development of MDS phenotypes.
- To provide insights into the genetic landscape of myelodysplastic syndromes.
Main Methods:
- Literature review of genetic and epigenetic alterations in MDS.
- Analysis of recurrent mutations in histone and DNA methylation regulators.
- Examination of chromosomal abnormalities in MDS.
Main Results:
- Frequent mutations in epigenetic regulators (EZH2, ASXL1, TET2, etc.) suggest a link between genetic and epigenetic changes.
- Specific chromosomal deletions are common alterations in MDS.
- Somatic mutations impact clinical phenotype but are not yet in prognostic scores.
Conclusions:
- Genetic and epigenetic alterations are central to MDS.
- Further research is needed to translate genetic findings into clinical practice.
- Understanding genetic factors is key to diagnosing and managing MDS phenotypes.
Related Concept Videos
01:29Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
126
Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
126
02:23Abnormal Proliferation
5.4K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
5.4K
01:11Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
69
Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
69
01:15Differentiation of Common Myeloid Progenitor Cells
4.3K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
4.3K
02:30Genomic Imprinting and Inheritance
38.9K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
38.9K
01:06Induced Pluripotent Stem Cells
6.3K
Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
Somatic...
6.3K