Chediak-Higashi Syndrome
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چکیده
Impaired vision Photophobia Albinism of the OCA2 type, giving a lighter complexion than unaffected family members [6] Silvery sheen to hair which may be fair in colour Frequent infections (skin, mucous membranes, respiratory) Epilepsy Mental retardation Enlarged liver and spleen Jaundice Ataxia causing incoordination and a typical ataxic gait Tremor Epilepsy Peripheral neuropathy causing motor and sensory changes and weakness (if patient survives into adulthood) [7]
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Chediak-Higashi Syndrome: A case report
Introduction: Chediak-Higashi syndrome is a rare autosomal recessive disorder that characterized by severe immunodeficiency. It is also associated with a lymphoproliferative disorder termed the accelerated phase with lymphocytic infiltration of the major organ of the body. Case Report: The patients was a 1-year old boy with intermittent fever, anorexia, malaise. On physical examination h...
متن کاملChediak-Higashi-syndrome cultured fibroblasts
Chediak-Higashi-syndrome cultured skin fibroblasts were used to study the possible involvement of lysosomal enzymes and lysosomal dysfunction in this disorder. Our evidence indicated that Chediak-Higashi fibroblasts displayed a significant decrease in the specific activity of the acidic a-D-mannosidase (pH 4.2) compared with normal controls. Additional studies revealed a small, but significant,...
متن کاملAbnormal bactericidal, metabolic, and lysosomal functions of Chediak-Higashi Syndrome leukocytes.
Phagocytic, antimicrobial, and metabolic functions were studied in leukocytes obtained from three patients with the Chediak-Higashi syndrome (CHS) and compared to normals, individuals, heterozygous for Chediak-Higashi syndrome, and two subjects with chronic granulomatous disease of childhood (CGD). Chediak-Higashi syndrome leukocytes showed normal ingestion of a variety of bacteria, Candida alb...
متن کاملA Case of Chediak-Higashi Syndrome Presented with Hemophagocytic Lymphohistiocytosis
Chediak Higashi syndrome, is a rare autosomal recessive disorder characterised by oculocutaneus albinism, recurrent respiratory system infections and other pyogenic infections. Hemophagocytic lymphohistiocytosis can develop in any time of the life in patients with Chediak Higashi syndrome. A 14-month-old girl patient was diagnosed as hemophagocytic lymphohistiocytosis with the laboratory findin...
متن کاملDefective granulocyte chemotaxis in the Chediak-Higashi syndrome.
In vivo and in vitro studies of granulocyte chemotaxis were performed in three patients with the Chediak-Higashi syndrome. Rebuck skin windows showed a decreased accumulation of leukocytes at an inflammatory site. Studies in Boyden chambers documented a cellular defect in granulocyte chemotaxis. The chemotactic response of Chediak-Higashi cells by this technique averaged approximately 40% of no...
متن کاملDefective mononuclear leukocyte chemotaxis in the Chediak-Higashi syndrome of humans, mink, and cattle.
Chemotaxis of mononuclear leukocytes from humans, mink, and cattle was evaluated in vitro using a morphologic Boyden chamber technique and a new 51-Cr-labeled mononuclear radioassay with a double micropore filter system. Significantly decreased mononuclear leukocyte chemotactic response were noted when human, mink, or cattle Chediak-Higashi cells were tested using autologous serum or endotoxin-...
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