Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
Background: The variant polymorphism in the gene MDM2, SNP309, leads to increased level of mdm2 protein and subsequent downregulation of p53 tumor suppressor pathway. Presence of this single nucleotide polymorphism (SNP) has been associated with earlier tumorigenesis in patients with Li-Fraumeni syndrome, as well as decreased survival in patients with CLL. In addition, cells homozygous (G/G) for SNP 309 were found to have 10-fold increase resistance to topoisomerase II inhibitors in vitro.
Procedure: We genotyped children (n = 575) with de novo acute myeloid leukemia (AML) treated on three Children's Oncology Group protocols (CCG 2941/2961/AAML 03P1) for the presence of SNP309. Healthy blood donors were genotyped as control population.
Results: The variant G/G genotype was associated with an increased susceptibility to AML (OR 1.5; P = 0.049). However, the presence of the variant allele at SNP309 did not modify disease response or toxicity in children treated on CCG protocols 2941/2961.
Conclusions: The variant SNP 309 influences susceptibility to pediatric AML, but does not impact overall response to therapy.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2915901 | PMC |
| http://dx.doi.org/10.1002/pbc.22519 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Deciphering the molecular landscape of acute myeloid leukemia initiation and relapse: a systems biology approach.
Med Oncol
September 2025
Division of Hematology and Blood Bank, Department of Medical Laboratory Sciences, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
Acute Myeloid Leukemia (AML) patient-derived Mesenchymal Stem Cells (MSCs) behave differently than normal ones, creating a more protective environment for leukemia cells, making relapse harder to prevent. This study aimed to identify prognostic biomarkers and elucidate relevant biological pathways in AML by leveraging microarray data and advanced bioinformatics techniques. We retrieved the GSE122917 dataset from the NCBI Gene Expression Omnibus and performed differential expression analysis (DEA) within R Studio to identify differentially expressed genes (DEGs) among healthy donors, newly diagnosed AML patients, and relapsed AML patients.
View Article and Find Full Text PDFSimilar Outcome With Haploidentical, Matched Sibling, or Matched Unrelated Donor Hematopoietic Cell Transplantation for Adult Patients With Adverse-Risk TP53-Mutated Acute Myeloid Leukemia in First Remission: A Comparative Study From the Global Committee and the Acute Leukemia Working Party of the European Society for Blood and Marrow Transplantation.
Am J Hematol
September 2025
EBMT Paris Office, Hôpital Saint Antoine, Sorbonne University, Paris, France.
Given the dismal prognosis for patients with TP53-mutated acute myeloid leukemia (AML), the optimal donor for those undergoing allogeneic hematopoietic cell transplantation (allo-HCT) remains unclear. We retrospectively analyzed adult patients with TP53-mutated AML who underwent first allo-HCT in CR1 between 2010 and 2021. Outcomes were compared among using a haploidentical donor (Haplo), a matched sibling donor (MSD), and a 10/10 matched unrelated donor (MUD).
View Article and Find Full Text PDFLineage Switch of Adult B-Cell Acute Lymphoblastic Leukaemia to Acute Myeloid Leukaemia Following B-Cell-Directed Therapy.
Eur J Case Rep Intern Med
August 2025
Division of Hematology and Oncology, UNM Comprehensive Cancer Center, Albuquerque, USA.
Background: Blinatumomab and inotuzumab ozogamicin (InO) are B-cell targeted agents used in the frontline and relapsed/refractory treatment of B-cell acute lymphoblastic leukaemia (B-ALL). Blinatumomab, a bispecific T-cell engager that targets CD19 and CD3, and InO, an antibody-drug conjugate targeting CD22, have both shown efficacy. However, recent reports have noted lineage conversion as a complication when these agents are used individually or sequentially.
View Article and Find Full Text PDFSuccessful remission induction therapy with azacitidine and venetoclax for a treatment-naive elderly patient with ETP/myeloid mixed-phenotype acute leukemia: a case report.
Front Oncol
August 2025
Department Hematopathology, Shenzhen Hospital of Southern Medical University, Shenzhen, China.
Background: Mixed-phenotype acute leukemia (MPAL) is a rare acute leukemia for which data are currently not available to guide therapy. It has a poor outcome, particularly in elderly patients.
Case Presentation: We report the successful use of venetoclax/azacitidine as treatment for a treatment-naive elderly patient with early T-cell precursor (ETP)/myeloid MPAL.
This review aims to examine differences in the immune microenvironment between low-risk and high-risk myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). Furthermore, it explores the impact of immune cell imbalance, abnormal cytokine levels, and stromal cell impairment on disease progression and prognosis. Additionally, the review analyzes the immune mechanisms underlying the transformation of high-risk MDS to AML.
View Article and Find Full Text PDF