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Monocytoid differentiation of freshly isolated human myeloid leukemia cells and HL-60 cells induced by the glutamine antagonist acivicin.

Publication ,  Journal Article
Nichols, KE; Chitneni, SR; Moore, JO; Weinberg, JB
Published in: Blood
October 1989

Previously we showed that starvation of HL-60 promyelocytic leukemia cells for a single essential amino acid induced irreversible differentiation into more mature monocyte-like cells. Although not an essential amino acid, glutamine is important in the growth of normal and neoplastic cells. The glutamine analogue, alpha S,5S-alpha-amino-3-chloro-4,5-dihydro-5-isoxazoleacetic acid (acivicin) inhibits several glutamine-utilizing enzymes and therefore depletes cells of certain metabolic end products. The current study was designed to examine in vitro the effects of acivicin on growth and differentiation of several established human myeloid leukemia cell lines, including the HL-60 cell line, and of freshly isolated cells from patients with acute nonlymphocytic leukemia (ANLL). Four-day culture of HL-60 cells with acivicin at concentrations of 0.1 to 10.0 micrograms/mL (0.56 to 56 nmol/L) decreased cell growth by 33% to 88% as compared with untreated control cells. Viability of cells was greater than 92% for untreated cells and 93% to 41% for acivicin-treated cells. Cells treated with acivicin differentiated along a monocytic pathway as shown by increased H2O2 production and alpha-naphthyl butyrate esterase (NSE) content. Differentiation was time and dose dependent, and was irreversible. Changes in H2O2 production and NSE content were partially abrogated by co-culture with 10 mmol/L exogenous cytidine and guanosine but not by co-culture with other nucleosides or glutamine. At these concentrations of acivicin, differentiation was associated with expression of the N-formyl-methyl-leucyl-phenylalanine-receptor (FMLP-R) on 8% to 29% of cells as compared with 8% for control cells. Acivicin potentiated the differentiating effects of interferon-gamma, tumor necrosis factor, dihydroxyvitamin D3, dimethylsulfoxide, and retinoic acid. Culture of cells from the U937 (monoblastic), K562 (erythroleukemia), and KG-1 (myeloblastic) cell lines resulted in decreased growth and viability, but not consistently in differentiation. Acivicin decreased survival of freshly isolated ANLL cells and increased their H2O2 production and NSE content. These results suggest that the glutamine analogue acivicin may be useful as a differentiating agent with antileukemia activity in patients with ANLL.

Duke Scholars

Published In

Blood

ISSN

0006-4971

Publication Date

October 1989

Volume

74

Issue

5

Start / End Page

1728 / 1737

Location

United States

Related Subject Headings

  • Tumor Cells, Cultured
  • Reference Values
  • Oxazoles
  • Leukocytes
  • Leukemia, Promyelocytic, Acute
  • Leukemia, Myeloid, Acute
  • Leukemia, Myeloid
  • Kinetics
  • Isoxazoles
  • Immunology
 

Citation

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Nichols, K. E., Chitneni, S. R., Moore, J. O., & Weinberg, J. B. (1989). Monocytoid differentiation of freshly isolated human myeloid leukemia cells and HL-60 cells induced by the glutamine antagonist acivicin. Blood, 74(5), 1728–1737.
Nichols, K. E., S. R. Chitneni, J. O. Moore, and J. B. Weinberg. “Monocytoid differentiation of freshly isolated human myeloid leukemia cells and HL-60 cells induced by the glutamine antagonist acivicin.Blood 74, no. 5 (October 1989): 1728–37.

Published In

Blood

ISSN

0006-4971

Publication Date

October 1989

Volume

74

Issue

5

Start / End Page

1728 / 1737

Location

United States

Related Subject Headings

  • Tumor Cells, Cultured
  • Reference Values
  • Oxazoles
  • Leukocytes
  • Leukemia, Promyelocytic, Acute
  • Leukemia, Myeloid, Acute
  • Leukemia, Myeloid
  • Kinetics
  • Isoxazoles
  • Immunology