ArticleRetrovirology2025
Aberrant expression of human endogenous retrovirus K9-derived elements is associated with better clinical outcome of acute myelocytic leukemia.
Article in Retrovirology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAcute myelocytic leukemia (AML) is a common hematological malignancy in adults. Although several risk stratifications based on cytogenetic and molecular abnormalities are available to guide the indications for allogeneic hematopoietic cell transplantation (allo-HCT), determining optimal treatment strategies for AML remains challenging. In this study, using transcriptome datasets, we investigated the association between event-free survival (EFS) in intensively treated AML patients and the aberrant expression of endogenous viral element (EVE)-derived open reading frames (ORFs), which have been reported to be associated with the pathophysiology of various malignancies and have the potential to serve as neoantigens in specific cancers.
resultsThe expression levels of human endogenous retrovirus family K9 (HERVK9) ORFs were associated with EFS, independent of conventional risk stratification. Furthermore, AML cells with higher levels of HERVK9 expression exhibited enhanced antigen processing and presentation, along with increased expression of genes associated with adaptive immune responses and apoptosis, indicating that aberrant HERVK9 expression may initiate an anti-neoplastic immune response via increased antigen presentation.
conclusionsHERVK9 expression may have serve as a crucial prognostic indicator that could aid in determining the indications for upfront allo-HCT in AML patients.
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