OXIDANTS, ANTIOXIDANTS, AND RESPIRATORY-TRACT LINING FLUIDS

被引：257
作者：
CROSS, CE [1 ]
VANDERVLIET, A [1 ]
ONEILL, CA [1 ]
LOUIE, S [1 ]
HALLIWELL, B [1 ]
机构：
[1] UNIV LONDON KINGS COLL, PHARMACOL GRP, LONDON, ENGLAND
来源：
ENVIRONMENTAL HEALTH PERSPECTIVES | 1994年 / 102卷
关键词：
MUCOUS; SURFACTANT; OXIDANTS; ANTIOXIDANTS; PROTEINS; GLYCOPROTEINS; LIPIDS; DNA;
D O I：
10.2307/3432237
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Respiratory tract lining fluids (RTLFs) are a heterogeneous group of substances covering the respiratory tract epithelial cells (RTECs) from nasal mucosa to alveoli. Antioxidants contained in the RTLFs can be expected to provide an initial defense against inhaled environmental toxins. The major antioxidants in RTLF include mucin, uric acid, protein (largely albumin), ascorbic acid, and reduced glutathione (GSH). RTLF antioxidants can be augmented by such processes as transudation/exudation of plasma constituents; RTEC secretory processes, including glandular mucus secretion; and cellular antioxidants derived from lysis of RTECs and of inflammatory cells. The antioxidant composition of RTLFs and their role in modulating normal and pathophysiologic RTEC functions under conditions of oxidative stress are yet to be fully characterized.
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收藏
页码：185 / 191
页数：7
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