DEXAMETHASONE INHIBITS OZONE-INDUCED GENE-EXPRESSION OF MACROPHAGE INFLAMMATORY PROTEIN-2 IN RAT LUNG

被引:26
作者
HADDAD, EB [1 ]
SALMON, M [1 ]
SUN, J [1 ]
LIU, S [1 ]
DAS, A [1 ]
ADCOCK, I [1 ]
BARNES, PJ [1 ]
CHUNG, KF [1 ]
机构
[1] NATL HEART & LUNG INST,DEPT THORAC MED,LONDON SW3 6LY,ENGLAND
基金
英国医学研究理事会;
关键词
OZONE; RAT LUNG; INFLAMMATION; NORTHERN BLOT; MIP-2; MESSENGER-RNA; DEXAMETHASONE;
D O I
10.1016/0014-5793(95)00333-5
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
To address the potential role of the chemokine macrophage inflammatory protein-2 (MIP-2) in airway inflammation, we examined,whether MIP-2 may play a role in ozone-induced neutrophilic inflammation of airways and its modulation by dexamethasone in rat lung. Following ozone exposure, MIP-2 mRNA expression in the lung peaked at 2 h after exposure and slowly declined thereafter, Dexamethasone suppressed ozone-induced MIP-2 mRNA expression and neutrophil accumulation in the lung, We suggest that the MIP-2 mRNA induction may switch on the neutrophilic influx observed in this model of lung inflammation, Furthermore, the MIP-2 expression is regulated by dexamethasone which may represent one of the mechanisms by which glucocorticoids exert their potent anti-inflammatory properties.
引用
收藏
页码:285 / 288
页数:4
相关论文
共 29 条
  • [1] APPELBERG R, 1992, CLIN EXP IMMUNOL, V89, P269
  • [2] ANTIINFLAMMATORY ACTIONS OF STEROIDS - MOLECULAR MECHANISMS
    BARNES, PJ
    ADCOCK, I
    [J]. TRENDS IN PHARMACOLOGICAL SCIENCES, 1993, 14 (12) : 436 - 441
  • [3] ROLE OF THE PARASYMPATHETIC NERVOUS-SYSTEM IN ACUTE LUNG RESPONSE TO OZONE
    BECKETT, WS
    MCDONNELL, WF
    HORSTMAN, DH
    HOUSE, DE
    [J]. JOURNAL OF APPLIED PHYSIOLOGY, 1985, 59 (06) : 1879 - 1885
  • [4] Chromczynski P, 1987, ANAL BIOCHEM, V162, P156
  • [5] CLONING AND CHARACTERIZATION OF A CDNA FOR MURINE MACROPHAGE INFLAMMATORY PROTEIN (MIP), A NOVEL MONOKINE WITH INFLAMMATORY AND CHEMOKINETIC PROPERTIES
    DAVATELIS, G
    TEKAMPOLSON, P
    WOLPE, SD
    HERMSEN, K
    LUEDKE, C
    GALLEGOS, C
    COIT, D
    MERRYWEATHER, J
    CERAMI, A
    [J]. JOURNAL OF EXPERIMENTAL MEDICINE, 1988, 167 (06) : 1939 - 1944
  • [6] MACROPHAGE INFLAMMATORY PROTEIN-1 AND PROTEIN-2 - EXPRESSION BY RAT ALVEOLAR MACROPHAGES, FIBROBLASTS, AND EPITHELIAL-CELLS AND IN RAT LUNG AFTER MINERAL DUST EXPOSURE
    DRISCOLL, KE
    HASSENBEIN, DG
    CARTER, J
    POYNTER, J
    ASQUITH, TN
    GRANT, RA
    WHITTEN, J
    PURDON, MP
    TAKIGIKU, R
    [J]. AMERICAN JOURNAL OF RESPIRATORY CELL AND MOLECULAR BIOLOGY, 1993, 8 (03) : 311 - 318
  • [7] ALVEOLAR MACROPHAGE-STIMULATED NEUTROPHIL AND MONOCYTE MIGRATION - EFFECTS OF INVITRO OZONE EXPOSURE
    DRISCOLL, KE
    SCHLESINGER, RB
    [J]. TOXICOLOGY AND APPLIED PHARMACOLOGY, 1988, 93 (02) : 312 - 318
  • [8] FABBRI LM, 1984, AM REV RESPIR DIS, V129, P288
  • [9] VARIOUS RAT ADULT TISSUES EXPRESS ONLY ONE MAJOR MESSENGER-RNA SPECIES FROM THE GLYCERALDEHYDE-3-PHOSPHATE-DEHYDROGENASE MULTIGENIC FAMILY
    FORT, P
    MARTY, L
    PIECHACZYK, M
    ELSABROUTY, S
    DANI, C
    JEANTEUR, P
    BLANCHARD, JM
    [J]. NUCLEIC ACIDS RESEARCH, 1985, 13 (05) : 1431 - 1442
  • [10] HALLAHAN AR, 1990, EUR RESPIR J, V3, P554