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Clinical significance of reduced SFRP1 expression in acute myeloid leukemia.

Abstract
Deregulation of secreted frizzled-related protein 1 (SFRP1) has been found in many types of cancer. However, the pattern of SFRP1 expression in acute myeloid leukemia (AML) is still unclear. This study determined SFRP1 expression in patients with AML. SFRP1 expression was decreased markedly in patients with AML compared to controls (p < 0.001). White blood cell (WBC) counts increased as SFRP1 expression decreased in AML (p = 0.016). Patients with low SFRP1 expression showed a different distribution of French-American-British (FAB) subtypes M1/M2/M3 from those with high SFRP1 expression (p = 0.031). NPM1 mutation was mainly observed in patients with low SFRP1 expression (p = 0.011). There was a weak trend that patients with AML with low SFRP1 expression had shorter overall survival (OS) than those with high SFRP1 expression (p = 0.103). Our results indicate that reduced SFRP1 expression is found more frequently in the less well-differentiated subgroups of AML and is associated with NPM1 mutation in AML.
AuthorsCui An, Hong Guo, Xiang-mei Wen, Chun-yan Tang, Jing Yang, Xiao-wen Zhu, Jia-yu Yin, Qing Liu, Ji-chun Ma, Zhao-qun Deng, Jiang Lin, Jun Qian
JournalLeukemia & lymphoma (Leuk Lymphoma) Vol. 56 Issue 7 Pg. 2056-60 (Jul 2015) ISSN: 1029-2403 [Electronic] United States
PMID25347432 (Publication Type: Comparative Study, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Intercellular Signaling Peptides and Proteins
  • Membrane Proteins
  • NPM1 protein, human
  • SFRP1 protein, human
  • Nucleophosmin
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Case-Control Studies
  • Female
  • Follow-Up Studies
  • Humans
  • Intercellular Signaling Peptides and Proteins (genetics)
  • Karyotyping
  • Leukemia, Myeloid, Acute (genetics, mortality, pathology)
  • Male
  • Membrane Proteins (genetics)
  • Middle Aged
  • Mutation (genetics)
  • Neoplasm Staging
  • Nucleophosmin
  • Prognosis
  • Real-Time Polymerase Chain Reaction (methods)
  • Survival Rate
  • Young Adult

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