منابع مشابه
Staphylococcus aureus peptidoglycan induces histamine release from basophil human leukocytes in vitro.
Whole killed cells, cell walls, and peptidoglycans of Staphylococcus aureus were found to release histamine from human leukocytes and isolated rat mast cells in vitro. The histamine-releasing capability increased in the order of whole bacteria, cell walls, and peptidoglycans. Peptidoglycan was found to release histamine by a nonimmunological mechanism, as demonstrated by release in cells depriv...
متن کاملSuperoxide dismutase and myeloperoxidase activities in polymorphonuclear leukocytes in acne vulgaris.
BACKGROUND AND DESIGN Acne vulgaris frequently occurs in the second decade of life. The pathogenesis of the disease is multifactorial and in the present study, we aimed to investigate the role of reactive oxygen species in the inflammation of acne by determining the activities of myeloperoxidase (MPO) and superoxide dismutase (SOD) in polymorphonuclear leukocytes (PMN). MATERIALS AND METHODS ...
متن کاملSubcision in acne scar
Background and aim: Subcision is a procedure that has been reported to be beneficial in treatment of acne scars. The objective of this trial was to assess the efficacy of subcision in the treatment of rolling acne scars and evaluate a novel subdermal filler" absorbable plain catgut suture" with subcision. Materials and methods: 22 patients with rolling acne scars underwent subcision, 20 of whom...
متن کاملBasophil production.
Factors influencing basophil production from the bone marrow of ovalbumin (OA)-sensitized guinea pigs have been examined in vitro. Autologous co-cultures of marrow and spleen cells from OA-immune animals contained significantly higher numbers of basophils after 7 d of liquid culture in the presence of OA, compared with control co-cultures or with marrow cultures alone (P < 0.005). Basophils inc...
متن کاملWhen is a mouse basophil not a basophil?
The identification and characterization of mouse basophils have historically been hampered by the extreme rarity of this cell type. Virtually no photomicrographs of hematologically stained (eg, Wright-Giemsa) examples of mouse basophils exist in the literature. However, 4 recent studies in the past 2 years have used flow cytometry and a defined set of cell-surface markers to identify and subseq...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1965
ISSN: 0022-202X
DOI: 10.1038/jid.1965.85