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Characterizing Mutational Load and Clonal Composition of Human Blood
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Parvovirus B19, Somatic Gene Mutations, and Hematologic Malignancy Subtypes: An Analytical Study.

Anfal Mohammed Khudhair1, Dunya Jawad Ridha2, Israa Radwan Ali3

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|November 28, 2025
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Summary

This study found no significant association between parvovirus B19 infection and common somatic mutations in myeloid malignancies like AML, MPN, and APL. Parvovirus B19 infection appears incidental in these blood cancers.

Keywords:
JAK2 V617F polymorphism Acute promyelocytic leukemia diagnosis Proviral DNA screening by qPCRLT3-ITDTKD

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Area of Science:

  • Hematology
  • Virology
  • Oncology

Background:

  • Myeloid malignancies encompass a range of blood cancers, including acute myeloid leukemia (AML), myeloproliferative neoplasms (MPN), and acute promyelocytic leukemia (APL).
  • Somatic mutations in genes such as NPM1, FLT3, JAK2, and RARA are key drivers in the pathogenesis of myeloid malignancies.
  • Parvovirus B19 (B19) is a virus that can cause various clinical manifestations, and its role in hematological disorders is an area of ongoing research.

Purpose of the Study:

  • To investigate the potential association between parvovirus B19 infection and specific somatic mutations (NPM1, FLT3, JAK2, RARA) within different subtypes of myeloid malignancies.
  • To explore the clinical significance of parvovirus B19 infection in patients diagnosed with AML, MPN, and APL.

Main Methods:

  • A retrospective analysis of 100 patients with myeloid malignancies (AML, MPN, APL) was conducted.
  • Real-time PCR was used to detect parvovirus B19 DNA, and somatic mutation status (NPM1, FLT3, JAK2 V617F, RARA) was recorded.
  • Statistical analyses, including chi-square tests and Pearson correlation, were employed to assess associations between viral infection, mutations, and disease subtypes.

Main Results:

  • Established genetic profiles were confirmed: NPM1/FLT3 mutations in AML, JAK2 V617F in MPN, and RARA fusion in APL.
  • Parvovirus B19 was detected in a small percentage of patients across all myeloid malignancy subtypes, with no statistically significant differences observed (p > 0.1).
  • No significant associations were found between B19 infection and specific somatic mutations or myeloid malignancy subtypes. B19 infection showed weak correlations with all assessed parameters.

Conclusions:

  • The study confirmed known gene-disease associations in myeloid malignancies but did not establish a link between parvovirus B19 infection and specific somatic mutations or disease subtypes.
  • The findings suggest that parvovirus B19 infection may be an incidental finding in patients with myeloid malignancies.
  • Larger-scale studies are warranted to definitively clarify the clinical relevance, if any, of parvovirus B19 infection in this patient population.