Impairment of Mycobacterial Immunity in Human Interleukin-12 Receptor Deficiency

Author:

Altare Frédéric12345,Durandy Anne12345,Lammas David12345,Emile Jean-François12345,Lamhamedi Salma12345,Le Deist Françoise12345,Drysdale Pam12345,Jouanguy Emmanuelle12345,Döffinger Rainer12345,Bernaudin Françoise12345,Jeppsson Olle12345,Gollob Jared A.12345,Meinl Edgar12345,Segal Antony W.12345,Fischer Alain12345,Kumararatne Dinakantha12345,Casanova Jean-Laurent12345

Affiliation:

1. F. Altare, A. Durandy, S. Lamhamedi, F. Le Deist, E. Jouanguy, R. Döffinger, INSERM U429, Hôpital Necker-Enfants Malades, Paris 75015, France.

2. D. Lammas, P. Drysdale, D. Kumararatne, Department of Immunology, University of Birmingham Medical School, Birmingham B15 2TT, UK.

3. J.-F. Emile, Service d'Anatomo-Pathologie, Hôpital Paul Brousse, Villejuif 94804, France.

4. F. Bernaudin, Service de Pédiatrie, Centre Hospitalier Intercommunal, Créteil 94010, France.

5. O. Jeppsson, Department of Pediatrics, University Hospital, Norsborg 145 01, Sweden.

Abstract

In humans, interferon γ (IFN-γ) receptor deficiency leads to a predisposition to mycobacterial infections and impairs the formation of mature granulomas. Interleukin-12 (IL-12) receptor deficiency was found in otherwise healthy individuals with mycobacterial infections. Mature granulomas were seen, surrounded by T cells and centered with epithelioid and multinucleated giant cells, yet reduced IFN-γ concentrations were found to be secreted by activated natural killer and T cells. Thus, IL-12–dependent IFN-γ secretion in humans seems essential in the control of mycobacterial infections, despite the formation of mature granulomas due to IL-12–independent IFN-γ secretion.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference32 articles.

1. Levin M., et al., Lancet345, 79 (1995).

2. J.-L. Casanova, E. Jouanguy, S. Lamhamedi, S. Blanche, A. Fischer, ibid 346, 581 (1995); Emile J.-F., et al., J. Pathol. 181, 25 (1997).

3. Casanova J.-L., et al., Pediatrics98, 774 (1996).

4. M. Newport, et al., N. Engl. J. Med. 335, 1941 (1996); E. Jouanguy et al., ibid., p. 1956; C. Pierre-Audigieret al., Clin. Infect. Dis. 24, 982 (1997); Altare F., et al., Am. J. Hum. Genet. 64, 423 (1998).

5. CELLULAR RESPONSES TO INTERFERON-γ

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