Is there an unidentified defence mechanism against infection in human plasma?

被引:26
作者
Aejmelaeus, R
MetsaKetela, T
Laippala, P
Alho, H
机构
[1] TAMPERE UNIV,SCH MED,DEPT PHARMACOL CLIN PHARMACOL & TOXICOL,SF-33101 TAMPERE,FINLAND
[2] TAMPERE UNIV,SCH PUBL HLTH,DEPT BIOMETR,SF-33101 TAMPERE,FINLAND
[3] TAMPERE UNIV,SCH MED,NEUROBIOL LAB,SF-33101 TAMPERE,FINLAND
关键词
antioxidants; unidentified antioxidants; infection; ascorbic acid;
D O I
10.1016/0014-5793(96)00296-7
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
The total peroxyl radical scavenging capacity (TRAP) of human plasma was measured from pneumonia patients and controls, TRAP and its main components, ascorbic acid, alpha-tocopherol, uric acid or protein thiol groups, were unaltered, but the concentration of unidentified antioxidants in pneumonia patients was significantly reduced, Our results indicate that human plasma may contain so far unidentified antioxidants depleted in infection.
引用
收藏
页码:128 / 130
页数:3
相关论文
共 24 条
  • [11] CEPHALOSPORINS ARE SCAVENGERS OF HYPOCHLOROUS ACID
    LAPENNA, D
    CELLINI, L
    DEGIOIA, S
    MEZZETTI, A
    CIOFANI, G
    FESTI, D
    CUCCURULLO, F
    [J]. BIOCHEMICAL PHARMACOLOGY, 1995, 49 (09) : 1249 - 1254
  • [12] LILIUS EM, 1986, BIOLUMINESCENCE CHEM, P145
  • [13] THE TOTAL FREE-RADICAL TRAPPING ABILITY OF CORD BLOOD-PLASMA IN PRETERM AND TERM BABIES
    LINDEMAN, JHN
    VANZOERENGROBBEN, D
    SCHRIJVER, J
    SPEEK, AJ
    POORTHUIS, BJHM
    BERGER, HM
    [J]. PEDIATRIC RESEARCH, 1989, 26 (01) : 20 - 24
  • [14] LONNROT K, 1996, IN PRESS FREE RAD BI
  • [15] METSAKETELA T, 1991, BIOLUMINESCENCE AND CHEMILUMINESCENCE, P389
  • [16] CYTOPROTECTION AGAINST NEUTROPHIL-DELIVERED OXIDANT ATTACK BY ANTIBIOTICS
    OTTONELLO, L
    DALLEGRI, F
    DAPINO, P
    PASTORINO, G
    SACCHETTI, C
    [J]. BIOCHEMICAL PHARMACOLOGY, 1991, 42 (12) : 2317 - 2321
  • [17] SAMUNI A, 1988, J BIOL CHEM, V263, P13797
  • [18] VITAMIN-C STATUS IN PATIENTS WITH ACUTE-PANCREATITIS
    SCOTT, P
    BRUCE, C
    SCHOFIELD, D
    SHIEL, N
    BRAGANZA, JM
    MCCLOY, RF
    [J]. BRITISH JOURNAL OF SURGERY, 1993, 80 (06) : 750 - 754
  • [19] THE USE OF WATER-SOLUBLE RADICAL SCAVENGERS TO DETECT HYDROXYL RADICAL FORMATION BY POLYMORPHONUCLEAR LEUKOCYTES
    THOMAS, MJ
    SMITH, S
    PANG, J
    [J]. FREE RADICAL RESEARCH COMMUNICATIONS, 1991, 12-3 : 53 - 57
  • [20] PLASMA PEROXYL RADICAL-TRAPPING CAPACITY IN SEVERE PREECLAMPSIA IS STRONGLY RELATED TO URIC-ACID
    UOTILA, J
    METSAKETELA, T
    TUIMALA, R
    [J]. CLINICAL AND EXPERIMENTAL HYPERTENSION PART B-HYPERTENSION IN PREGNANCY, 1992, 11 (01): : 71 - 80