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Possible Role in the Control of Cellular Immune Reaction

Benedetto Testa, MD; Carlo Mesolella, MD; Federico Costa, MD; Pier Giorgio Catalanotti, MD; Nunzia Benedetto, MD; Silvana Mattera, PhD

Arch Otolaryngol Head Neck Surg. 1986;112(4):432-433.

Abstract
• We studied effects of monoclonal antibodies on lymphocyte subpopulations in patients with allergic rhinitis treated with histamine₂ antagonists. The OKT4/OKT8 ratio after treatment showed a statistically significant decrease compared with initial values, the expression of a relative increase in the OKT8 subpopulation containing the suppressor fraction. In control patients no significant variations were observed. These results confirm our hypothesis that histamine₂ antagonists act in allergic rhinitis by modulating the activity of T-suppressor lymphocytes reduced in atopic patients.

(Arch Otolaryngol Head Neck Surg 1986;112:432-433)

Author Affiliations
From the Institutes of Otolaryngology (Drs Testa, Mesolella, and Costa) and Microbiology (Drs Catalanotti, Benedetto, and Mattera), First School of Medicine, University of Naples (Italy).

Footnotes
Accepted for publication April 16, 1985.

Reprint requests to Clinica Otorinolaringoiatrica, I Facoltà di Medicina dell'Università di Napoli, Ospedale Gesù e Maria, via Cotugno 3, 80135 Naples, Italy (Dr Testa).

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