Clinical Significance of CD109 Expression and Methylation Patterns in Acute Myeloid Leukemia.

Introduction: The altered expression of CD109 has been observed in solid tumors of various types, and evidence suggests a correlation between CD109 expression and development and prognosis of tumors. However, the expression and methylation patterns of CD109 in acute myeloid leukemia (AML) and their clinical significance remain unclear.

Methods: CD109 mRNA expression and promoter methylation were determined in AML patients and leukemia cells.

FOXP1 is associated with oncogenesis and clinical outcomes in hematologic malignancies.

Depending on the cellular context and cancer type, FOXP1 functions as an oncogene or a tumor suppressor. However, the clinical role of FOXP1 in hematologic malignancies has not been studied comprehensively. This study systematically analyzed the association of FOXP1 expression with clinical outcomes, including prognosis and immunotherapeutic response, as well as biological functions across a range of hematological cancers.

[Expression and Clinical Significance of lncRNA in Acute Myeloid Leukemia].

Objective: To detect and analyze the expression and clinical significance of long non-coding RNA tyrosine kinase non-catalytic region adaptor protein 1-antisense RNA1 () in patients with acute myeloid leukemia (AML).

Methods: 89 AML patients and 23 healthy controls were included from the People's Hospital Affiliated to Jiangsu University. Real-time quantitative polymerase chain reaction (RT-qPCR) was used to detect the expression levels of and in bone marrow samples.

MiR-218 Exhibits Anti-Leukemia Effects by Targeting CTNND2 in Primary Acute Erythroid Leukemia HEL Cells.

Acute erythroid leukemia (AEL) is a rare acute myeloid leukemia (AML) subtype that is highly aggressive and is associated with a poor prognosis. Notably, the blockage of erythroid differentiation represents a significant factor in the pathogenesis of erythroleukemia. Prior studies indicated that miR-218 inhibited the erythroid differentiation in a chronic myeloid leukemia (CML)-derived erythroleukemia cell line K562.

Bioinformatic characterization of STING expression in hematological malignancies reveals association with prognosis and anti-tumor immunity.

Introduction: Stimulator of interferon response cGAMP interactor (STING) is essential for both innate and adaptive immunity. However, a comprehensive molecular characterization of STING expression across hematological malignancies is lacking.

Methods: In this study, the pan-blood-cancer landscape related to STING expression was identified using the GTEx, CCLE, Hemap, and TCGA databases, and the potential value for predicting prognosis was investigated.

ALOX5AP is a new prognostic indicator in acute myeloid leukemia.

Background: The overexpression of ALOX5AP has been observed in many types of cancer and has been identified as an oncogene. However, its role in acute myeloid leukemia (AML) has not been extensively studied. This study aimed to identify the expression and methylation patterns of ALOX5AP in bone marrow (BM) samples of AML patients, and further explore its clinical significance.

Identification and validation of necroptosis-related gene signatures to predict clinical outcomes and therapeutic responses in acute myeloid leukemia.

Background: Necroptosis is a tightly regulated form of necrotic cell death that promotes inflammation and contributes to disease development. However, the potential roles of necroptosis-related genes (NRGs) in acute myeloid leukemia (AML) have not been elucidated fully.

Methods: We conducted a study to identify a robust biomarker signature for predicting the prognosis and immunotherapy efficacy based on NRGs in AML.

m6A regulator-based methylation modification patterns and characterization of tumor microenvironment in acute myeloid leukemia.

RNA N6-methyladenosine (m6A) is the most common and intensively studied RNA modification that critically regulates RNA metabolism, cell signaling, cell survival, and differentiation. However, the overall role of multiple m6A regulators in the tumor microenvironment (TME) has not yet been fully elucidated in acute myeloid leukemia (AML). In our study, we explored the genetic and transcriptional alterations of 23 m6A regulators in AML patients.

SLIT2 promoter hypermethylation-mediated SLIT2-IT1/miR-218 repression drives leukemogenesis and predicts adverse prognosis in myelodysplastic neoplasm.

Epigenetic modifications have been found to play crucial roles in myelodysplastic neoplasm (MDS) progression. Previously, we investigated genome-wide DNA methylation alterations during MDS evolution to acute myeloid leukemia (AML) by next-generation sequencing (NGS). Herein, we further determined the role and clinical implications of an evident methylation change in CpG islands at the SLIT2 promoter identified by NGS.

DNA methylation-mediated differential expression of DLX4 isoforms has opposing roles in leukemogenesis.

Background: Previously, we reported the expression of DLX4 isoforms (BP1 and DLX7) in myeloid leukemia, but the functional role of DLX4 isoforms remains poorly understood. In the work described herein, we further determined the underlying role of DLX4 isoforms in chronic myeloid leukemia (CML) leukemogenesis.

Methods: The expression and methylation of DLX4 isoforms were detected by real-time quantitative PCR (RT-qPCR) and real-time quantitative methylation-specific PCR (RT-qMSP) in patients with CML.

Pan-cancer analysis reveals distinct clinical, genomic, and immunological features of the immune checkpoint family in acute myeloid leukemia.

Leukocyte immunoglobulin (Ig)-like receptor Bs (s), a family of type I transmembrane glycoproteins, are known to inhibit immune activation. Here, we comprehensively evaluated the molecular, prognostic, and immunological characteristics of members in a broad spectrum of cancer types, focusing on their roles in acute myeloid leukemia (AML). We showed that s were significantly dysregulated in a number of cancers and were associated with immune-inhibitory phenotypes.

[Clinical Significance of Low Expression of LncRNA CASC15 in Acute Myeloid Leukemia with NPM1 Mutations].

Unlabelled: AbstractObjective: To identify the expression and methylation patterns of lncRNA CASC15 in bone marrow (BM) samples of acute myeloid leukemia (AML) patients, and further explore its clinical significance.

Methods: Eighty-two de novo AML patients and 18 healthy donors were included in the study. Meanwhile, seven public datasets from Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) were included to confirm the expression and methylation data of CASC15.

Pan-cancer analysis identifies CD300 molecules as potential immune regulators and promising therapeutic targets in acute myeloid leukemia.

Background: CD300s are a group of proteins playing vital roles in immune responses. However, much is yet to be elucidated regarding the expression patterns and clinical significances of CD300s in cancers.

Methods: In this study, we comprehensively investigated CD300s in a pan-cancer manner using multi-omic data from The Cancer Genome Atlas.

Association Analyses of Mutation With Prognosis, Tumor Mutational Burden, and Immunological Features in Acute Myeloid Leukemia.

Acute myeloid leukemia (AML) is a heterogeneous disease related to a broad spectrum of molecular alterations. The successes of immunotherapies treating solid tumors and a deeper understanding of the immune systems of patients with hematologic malignancies have promoted the development of immunotherapies for the treatment of AML. And high tumor mutational burden (TMB) is an emerging predictive biomarker for response to immunotherapy.

Identification and validation of obesity-related gene LEP methylation as a prognostic indicator in patients with acute myeloid leukemia.

Background: Obesity confers enhanced risk for multiple diseases including cancer. The DNA methylation alterations in obesity-related genes have been implicated in several human solid tumors. However, the underlying role and clinical implication of DNA methylation of obesity-related genes in acute myeloid leukemia (AML) has yet to be elucidated.

Genome-wide methylation sequencing identifies progression-related epigenetic drivers in myelodysplastic syndromes.

The potential mechanism of myelodysplastic syndromes (MDS) progressing to acute myeloid leukemia (AML) remains poorly elucidated. It has been proved that epigenetic alterations play crucial roles in the pathogenesis of cancer progression including MDS. However, fewer studies explored the whole-genome methylation alterations during MDS progression.

Identification and validation of prognosis-related DLX5 methylation as an epigenetic driver in myeloid neoplasms.

The deregulated DLX gene family members DLX1/2/3/4/5/6 (DLXs) caused by DNA methylation has been demonstrated in various cancers with therapeutic target value. However, the potential role of DLXs methylation in myeloid neoplasms such as acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS) remains to be elucidated. Clinical significance of DLXs methylation/expression was analyzed in patient with AML and MDS.

The M2 macrophage marker : a novel prognostic indicator for acute myeloid leukemia.

Hematological malignancies possess a distinctive immunologic microenvironment compared with solid tumors. Here, using an established computational algorithm (CIBERSORT), we systematically analyzed the overall distribution of 22 tumor-infiltrating leukocyte (TIL) populations in more than 2000 bone marrow (BM) samples from 5 major hematological malignancies and healthy controls. Focusing on significantly altered TILs in acute myeloid leukemia (AML), we found that patients with AML exhibited increased frequencies of M2 macrophages, compared to either healthy controls or the other four malignancies.

Hypomethylation of MIR-378 5'-flanking region predicts poor survival in young patients with myelodysplastic syndrome.

Background: Previous studies have disclosed up-regulation of MIR-378 in acute myeloid leukemia (AML), and might consequently affect the outcome of the patients. Correspondingly, hypomethylation of MIR-378 was also identified in AML, particularly for FAB-M2 subtype with t(8;21) chromosomal translocation. Nevertheless, the methylation status of MIR-378 has not been illustrated in myelodysplastic syndrome (MDS).

EZH2 dysregulation: Potential biomarkers predicting prognosis and guiding treatment choice in acute myeloid leukaemia.

Accumulating studies have proved EZH2 dysregulation mediated by mutation and expression in diverse human cancers including AML. However, the expression pattern of EZH2 remains controversial in acute myeloid leukaemia (AML). EZH1/2 expression and mutation were analysed in 200 patients with AML.

methylation correlates with disease progression in patients with chronic myeloid leukemia.

Background: Our previous study has reported that aberrant methylation was associated with poor prognosis in AML, and it correlated with disease progression in MDS. Herein, we further determined methylation and its clinical significance in the other myeloid malignance - chronic myeloid leukemia (CML).

Methods: methylation was examined by real-time quantitative methylation-specific PCR and bisulfite sequencing PCR, whereas expression was detected by real-time quantitative PCR.

Down-regulation of miR-29c is a prognostic biomarker in acute myeloid leukemia and can reduce the sensitivity of leukemic cells to decitabine.

Background: MicroRNA-29c (miR-29c) is abnormally expressed in several cancers and serves as an important predictor of tumor prognosis. Herein, we investigate the effects of abnormal miR-29c expression and analyze its clinical significance in acute myeloid leukemia (AML) patients. In addition, decitabine (DAC) has made great progress in the treatment of AML in recent years, but DAC resistance is still common phenomenon and the mechanism of resistance is still unclear.