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Results for “Phagocyte Bactericidal Dysfunction”

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At least 307 records · Page 17Linked to original sources
PubMed1976

Genitourinary involvement in chronic granulomatous disease of childhood.

A second case of symptomatic renal involvement of chronic granulomatous disease of childhood is reported, and all previous cases of documented genitourinary lesions in this disease are reviewed. Although frequent infections of other organ systems are a well recognized part of chronic granulomatous disease, involvement of the urinary tract has been rarely reported. The nature of the few cases described suggests that extensive insidious destruction occurs before urinary tract involvement is clinically suspected.

Adolescent↗
PubMedDate not supplied

Defects in neutrophils: an overview.

Neutrophils are the host's first line of defense against many pathogenic bacteria and fungi. Disorders of neutrophil function are often suggested by recurrent cutaneous, periodontal, respiratory, or soft tissue infections. In this review, we summarize the current understanding of neutrophil function, provide an update of recent developments in the field, and outline an approach to diagnosis and management of the major congenital disorders of neutrophils.

Cell Count↗
PubMed2002

Complement-induced impairment of innate immunity during sepsis.

This study defines the molecular basis for defects in innate immunity involving neutrophils during cecal ligation/puncture (CLP)-induced sepsis in rats. Blood neutrophils from CLP rats demonstrated defective phagocytosis and defective assembly of NADPH oxidase, the latter being due to the inability of p47(phox) to translocate from the cytosol to the cell membrane of neutrophils after cell stimulation by phorbol ester (PMA). The appearance of these defects was prevented by in vivo blockade of C5a in CLP rats. In vitro exposure of neutrophils to C5a led to reduced surface expression of C5aR and defective assembly of NADPH oxidase, as defined by failure in phosphorylation of p47(phox) and its translocation to the cell membrane, together with failure in phosphorylation of p42/p44 mitogen-activated protein kinases. These data identify a molecular basis for defective innate immunity involving neutrophils during sepsis.

Animals↗
PubMedDate not supplied

[Familial granulomatous disease: histopathological and histogentic data].

The lesions seen in chronic familial granulomatosis are variable and seen in varied combinations: granulomas, often disseminated, pseudotuberculous lesions, histiocytes with a high content in lipofuscins seen in the liver, lymph nodes, spleen and lungs in particular. These lesions may be explained at least in part by a congenital defect in leucocytes, which is peculiar to this hereditary disease, and which concernes bactericidal functions.

Granulomatous Disease, Chronic↗
PubMed1976

Chronic granulomatous disease of childhood.

Two boys and one girl suffering from recurrent severe bacterial infections were investigated. All 3 exhibited normal cellular and humoral immunity, normal neutrophil phagocytic ability, and defective neutrophil bacterial capacity. The clinical features and laboratory findings in these patients are diagnostic of chronic granulomatous disease. A sex-linked inheritance pattern was confirmed in 1 patient by the demonstration of a heterozygous carrier state in the mother.

Child, Preschool↗