Expression of WAVE1 in childhood acute lymphocytic leukemia and in the apoptosis of Jurkat cells induced by adriamycin

Zhuo Wang, Ting Hu, Li Zhi Cao, Rui Kang, Ming Yi Zhao, Yan Yu, Wang Qiong Xu

Research output: Contribution to journalArticle

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Abstract

Objective: To investigate whether WASP/Verprolin homologous protein 1 (WAVE1) plays a role in the pathogenesis of childhood acute lymphoblastic leukemia (ALL). Methods: WAVE1 mRNA and protein expression in bone marrow mononuclear cells (BMMCs) was measured by RT-PCR and Western blotting respectively in 4 children with ALL relapse, 15 children with ALL in complete remission (CR) and 40 children with newly diagnosed ALL. Ten normal bone marrow samples were used as controls. Jurkat cells were treated with different concentrations of adriamycin (ADM). The cell proliferation was detected with MTT. The apoptosis rate was measured by flow cytometry. WAVE1 mRNA and protein expression of Jurkat cells treated with ADM was detected by RT-PCR and Western blotting respectively. Results: WAVE1 was not expressed or weakly expressed in BMMCs from normal controls and patients with ALL in CR. Higher WAVE1 mRNA and protein expression was found in BMMCs from patients with newly diagnosed ALL and patients with relapse ALL when compared with the controls and the patients in CR (P < 0.01). ADM significantly inhibited the proliferation of the Jurkat cells and the inhibitory effect was dose- and time-dependent (P <0.05). After ADM treatment for 24 hrs, the percentage of apoptosis cells increased significantly and WAVE1 mRNA and protein expression of Jurkat cells decreased significantly when compared with the untreated controls (P < 0.05). Conclusions: The WAVE1 expression increased in children with ALL. WAVE1 may be related to the development of ALL and may be severed as a marker for the evaluation of the severity of ALL in children.

Original languageEnglish (US)
Pages (from-to)620-624
Number of pages5
JournalChinese Journal of Contemporary Pediatrics
Volume10
Issue number5
StatePublished - Oct 1 2008
Externally publishedYes

Fingerprint

Jurkat Cells
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Doxorubicin
Apoptosis
Proteins
Bone Marrow Cells
Messenger RNA
Western Blotting
Recurrence
Polymerase Chain Reaction
Flow Cytometry
Bone Marrow
Cell Proliferation

Keywords

  • Acute lymphoblastic leukemia
  • Apoptosis
  • Child
  • WAVE1

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Expression of WAVE1 in childhood acute lymphocytic leukemia and in the apoptosis of Jurkat cells induced by adriamycin. / Wang, Zhuo; Hu, Ting; Cao, Li Zhi; Kang, Rui; Zhao, Ming Yi; Yu, Yan; Xu, Wang Qiong.

In: Chinese Journal of Contemporary Pediatrics, Vol. 10, No. 5, 01.10.2008, p. 620-624.

Research output: Contribution to journalArticle

Wang, Zhuo ; Hu, Ting ; Cao, Li Zhi ; Kang, Rui ; Zhao, Ming Yi ; Yu, Yan ; Xu, Wang Qiong. / Expression of WAVE1 in childhood acute lymphocytic leukemia and in the apoptosis of Jurkat cells induced by adriamycin. In: Chinese Journal of Contemporary Pediatrics. 2008 ; Vol. 10, No. 5. pp. 620-624.
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abstract = "Objective: To investigate whether WASP/Verprolin homologous protein 1 (WAVE1) plays a role in the pathogenesis of childhood acute lymphoblastic leukemia (ALL). Methods: WAVE1 mRNA and protein expression in bone marrow mononuclear cells (BMMCs) was measured by RT-PCR and Western blotting respectively in 4 children with ALL relapse, 15 children with ALL in complete remission (CR) and 40 children with newly diagnosed ALL. Ten normal bone marrow samples were used as controls. Jurkat cells were treated with different concentrations of adriamycin (ADM). The cell proliferation was detected with MTT. The apoptosis rate was measured by flow cytometry. WAVE1 mRNA and protein expression of Jurkat cells treated with ADM was detected by RT-PCR and Western blotting respectively. Results: WAVE1 was not expressed or weakly expressed in BMMCs from normal controls and patients with ALL in CR. Higher WAVE1 mRNA and protein expression was found in BMMCs from patients with newly diagnosed ALL and patients with relapse ALL when compared with the controls and the patients in CR (P < 0.01). ADM significantly inhibited the proliferation of the Jurkat cells and the inhibitory effect was dose- and time-dependent (P <0.05). After ADM treatment for 24 hrs, the percentage of apoptosis cells increased significantly and WAVE1 mRNA and protein expression of Jurkat cells decreased significantly when compared with the untreated controls (P < 0.05). Conclusions: The WAVE1 expression increased in children with ALL. WAVE1 may be related to the development of ALL and may be severed as a marker for the evaluation of the severity of ALL in children.",
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AU - Yu, Yan

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