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体内人干扰素刺激后人类单核细胞HLA - DR抗原及Fcγ受体表达增加。

Increased expression of human monocyte HLA-DR antigens and Fc gamma receptors in response to human interferon in vivo.

作者信息

Rhodes J, Jones D H, Bleehen N M

出版信息

Clin Exp Immunol. 1983 Sep;53(3):739-43.

Abstract

The expression of class II MHC encoded antigens (HLA-DR) and Fc gamma receptors by peripheral blood monocytes from untreated patients with small cell carcinoma of the bronchus was compared with that of normal donors. Fc gamma receptor expression was found to be elevated in these patients in comparison with normal. In contrast HLA-DR antigen expression by patients' monocytes was somewhat depressed in comparison with normal. Continuous intravenous infusion of a total of 400 megaunits/m2 of human lymphoblastoid interferon-alpha (IFN-alpha) over a 5 day period markedly increased both monocyte HLA-DR antigen expression and Fc gamma receptor expression in comparison with that of untreated patients and normal donors. The initial increases declined somewhat but were still evident after 3 weeks of intermittent intramuscular IFN-alpha therapy.

摘要

将未经治疗的支气管小细胞癌患者外周血单核细胞的II类主要组织相容性复合体(MHC)编码抗原(HLA - DR)和Fcγ受体的表达与正常供体进行了比较。发现这些患者的Fcγ受体表达相对于正常情况有所升高。相比之下,患者单核细胞的HLA - DR抗原表达相对于正常情况有所降低。在5天内连续静脉输注总共400万单位/平方米的人淋巴母细胞干扰素α(IFN - α),与未经治疗的患者和正常供体相比,显著增加了单核细胞HLA - DR抗原表达和Fcγ受体表达。最初的增加有所下降,但在间歇性肌肉注射IFN - α治疗3周后仍很明显。

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