Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils

Rafeul Alam, Michael A. Lett-Brown, Patricia A. Forsythe, Diedra J. Anderson-Walters, Claire Kenamore, Csilla Kormos, J. Andrew Grant

Research output: Contribution to journalArticle

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Abstract

Monocyte chemotactic and activating factor (MCAF) is a recently cloned cytokine that causes chemotaxis of basophils. In our pursuit of cytokines affecting basophil function, we studied the effect of MCAF on histamine secretion from basophils. Leukocytes from 20 donors, 10 allergic and 10 normal subjects, were studied. MCAF caused dose-dependent release of histamine at concentrations of 10-8 and 10-7 M, and the mean release was 31.25±2.9% at the highest concentration. In the same experiments the mean histamine release by anti-IgE and histamine releasing factor (HRF) was 27.05±4% and 32.70±2.7%, respectively. All 20 subjects responded to MCAF with significant histamine release. Allergic subjects released significantly more histamine than normals in response to anti-IgE (P < 0.01) but not to MCAF (P = 0.2) and HRF (P = 0.1). The histamine release was significantly correlated between MCAF and HRF (P < 0.01), but not between MCAF and anti-IgE (P > 0.05). The histamine release by MCAF was complete within the first 3 min. MCAF-induced degranulation was a calcium-dependent process. Leukocytes depleted of monocytes responded equally well to MCAF. Using an anti-MCAF affinity column we determined that > 50% of HRF activity of crude PBMC supernatant could be attributed to MCAF. Thus, we established that MCAF is a potent secretagogue for basophils.

Original languageEnglish (US)
Pages (from-to)723-728
Number of pages6
JournalJournal of Clinical Investigation
Volume89
Issue number3
StatePublished - 1992

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Basophils
Chemokine CCL2
Histamine Release
Histamine
Leukocytes
translationally-controlled 1 tumor protein
Cytokines
Chemotaxis
Monocytes
Calcium

Keywords

  • Allergy
  • Cytokine
  • Mediator
  • Monocyte chemoattractant protein-1

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Alam, R., Lett-Brown, M. A., Forsythe, P. A., Anderson-Walters, D. J., Kenamore, C., Kormos, C., & Grant, J. A. (1992). Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils. Journal of Clinical Investigation, 89(3), 723-728.

Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils. / Alam, Rafeul; Lett-Brown, Michael A.; Forsythe, Patricia A.; Anderson-Walters, Diedra J.; Kenamore, Claire; Kormos, Csilla; Grant, J. Andrew.

In: Journal of Clinical Investigation, Vol. 89, No. 3, 1992, p. 723-728.

Research output: Contribution to journalArticle

Alam, R, Lett-Brown, MA, Forsythe, PA, Anderson-Walters, DJ, Kenamore, C, Kormos, C & Grant, JA 1992, 'Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils', Journal of Clinical Investigation, vol. 89, no. 3, pp. 723-728.
Alam R, Lett-Brown MA, Forsythe PA, Anderson-Walters DJ, Kenamore C, Kormos C et al. Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils. Journal of Clinical Investigation. 1992;89(3):723-728.
Alam, Rafeul ; Lett-Brown, Michael A. ; Forsythe, Patricia A. ; Anderson-Walters, Diedra J. ; Kenamore, Claire ; Kormos, Csilla ; Grant, J. Andrew. / Monocyte chemotactic and activating factor is a potent histamine-releasing factor for basophils. In: Journal of Clinical Investigation. 1992 ; Vol. 89, No. 3. pp. 723-728.
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