[Tuberculosis: pathogenesis, immune responses and genetics of the host].
Tuberculosis is a chronic infectious disease predominantly affecting the lung. The hallmark of tuberculosis infection is the formation of granulomata in the vicinity of infectious foci. The tuberculous granuloma is a complex, cellulary and biochemically well-orchestrated structure, which development plays a dual role. Restricting dissemination of infection and forming a battlefield for protective immunity, granulomatous process may compromise lung function, threatinig the host health. Both the susceptibility to infection per se and the degree of lung failure and disease severity are under genetic control. Tuberculosis genetics is complex and far from being resolved, but the information available clearly indicates that the control of intracellular infections depends upon biochemical networks, which have not been appreciated with this regard until recently.
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D000818:Animals; D004195:Disease Models, Animal; D020022:Genetic Predisposition to Disease; D006099:Granuloma / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000473:pathology; D006801:Humans; D051379:Mice; D009169:Mycobacterium tuberculosis / Q000235:genetics / Q000276:immunology*; D014375:Tuberculoma / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000473:pathology; D014397:Tuberculosis, Pulmonary / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000473:pathology*