HUMAN-IMMUNODEFICIENCY-VIRUS TYPE-1 COAT PROTEIN NEUROTOXICITY MEDIATED BY NITRIC-OXIDE IN PRIMARY CORTICAL CULTURES

被引:335
作者
DAWSON, VL
DAWSON, TM
UHL, GR
SNYDER, SH
机构
[1] JOHNS HOPKINS UNIV,SCH MED,DEPT PSYCHIAT,725 N WOLFE ST,BALTIMORE,MD 21205
[2] NIDA,ADDICT RES CTR,BALTIMORE,MD 21224
[3] JOHNS HOPKINS UNIV,SCH MED,DEPT NEUROSCI,BALTIMORE,MD 21205
[4] JOHNS HOPKINS UNIV,SCH MED,DEPT PHARMACOL & MOLEC SCI,BALTIMORE,MD 21205
[5] JOHNS HOPKINS UNIV,SCH MED,DEPT NEUROL,BALTIMORE,MD 21205
关键词
GP120; AIDS; GLUTAMATE; N-METHYL-D-ASPARTATE; MICROGLIA;
D O I
10.1073/pnas.90.8.3256
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The human immunodeficiency virus type 1 coat protein, gp120, kills neurons in primary cortical cultures at low picomolar concentrations. The toxicity requires external glutamate and calcium and is blocked by glutamate receptor antagonists. Nitric oxide (NO) contributes to gp120 toxicity, since nitroarginine, an inhibitor of NO synthase, prevents toxicity as does deletion of arginine from the incubation medium and hemoglobin, which binds NO. Superoxide dismutase also attenuates toxicity, implying a role for superoxide anions.
引用
收藏
页码:3256 / 3259
页数:4
相关论文
共 46 条
[1]   APPARENT HYDROXYL RADICAL PRODUCTION BY PEROXYNITRITE - IMPLICATIONS FOR ENDOTHELIAL INJURY FROM NITRIC-OXIDE AND SUPEROXIDE [J].
BECKMAN, JS ;
BECKMAN, TW ;
CHEN, J ;
MARSHALL, PA ;
FREEMAN, BA .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1990, 87 (04) :1620-1624
[2]  
BREDT DS, 1992, J BIOL CHEM, V267, P10976
[3]   NEURONAL CELL KILLING BY THE ENVELOPE PROTEIN OF HIV AND ITS PREVENTION BY VASOACTIVE INTESTINAL PEPTIDE [J].
BRENNEMAN, DE ;
WESTBROOK, GL ;
FITZGERALD, SP ;
ENNIST, DL ;
ELKINS, KL ;
RUFF, MR ;
PERT, CB .
NATURE, 1988, 335 (6191) :639-642
[4]  
CHAO CC, 1992, J IMMUNOL, V149, P2736
[5]   A NOVEL NEURONAL MESSENGER MOLECULE IN BRAIN - THE FREE-RADICAL, NITRIC-OXIDE [J].
DAWSON, TM ;
DAWSON, VL ;
SNYDER, SH .
ANNALS OF NEUROLOGY, 1992, 32 (03) :297-311
[6]   NITRIC-OXIDE MEDIATES GLUTAMATE NEUROTOXICITY IN PRIMARY CORTICAL CULTURES [J].
DAWSON, VL ;
DAWSON, TM ;
LONDON, ED ;
BREDT, DS ;
SNYDER, SH .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1991, 88 (14) :6368-6371
[7]  
DAWSON VL, 1992, IN PRESS J NEUROSCI
[8]   RAT CORTICAL-NEURONS IN CELL-CULTURE - CULTURE METHODS, CELL MORPHOLOGY, ELECTROPHYSIOLOGY, AND SYNAPSE FORMATION [J].
DICHTER, MA .
BRAIN RESEARCH, 1978, 149 (02) :279-293
[9]   HIV-1 COAT PROTEIN NEUROTOXICITY PREVENTED BY CALCIUM-CHANNEL ANTAGONISTS [J].
DREYER, EB ;
KAISER, PK ;
OFFERMANN, JT ;
LIPTON, SA .
SCIENCE, 1990, 248 (4953) :364-367
[10]   MOBILIZATION OF DANTROLENE-SENSITIVE INTRACELLULAR CALCIUM POOLS IS INVOLVED IN THE CYTOTOXICITY INDUCED BY QUISQUALATE AND N-METHYL-D-ASPARTATE BUT NOT BY 2-AMINO-3-(3-HYDROXY-5-METHYLISOXAZOL-4-YL)PROPIONATE AND KAINATE IN CULTURED CEREBRAL CORTICAL-NEURONS [J].
FRANDSEN, A ;
SCHOUSBOE, A .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1992, 89 (07) :2590-2594