ENDOTOXIN LIBERATION BY STRAINS OF N-MENINGITIDIS ISOLATED FROM PATIENTS AND HEALTHY CARRIERS

被引:10
作者
MELLADO, MC [1 ]
RODRIGUEZCONTRERAS, R [1 ]
FERNANDEZCREHUET, M [1 ]
LOPEZGIGOSOS, R [1 ]
RODRIGUEZ, MD [1 ]
GALVEZVARGAS, R [1 ]
机构
[1] UNIV GRANADA,SCH MED,DEPT PREVENT MED,GRANADA,SPAIN
关键词
D O I
10.1017/S0950268800048433
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
The main objective of this study was to assess whether the capacity of Neisseria meningitidis to release endotoxin depends upon the type of strain or upon bacterial mass. Endotoxin release was studied in 32 strains isolated from patients with meningococcal infections and in 49 from asymptomatic carriers, using a quantitative test (limulus test with a chromogenic substrate). The results show that the strains from patients release significantly higher amounts of endotoxin than strains from carriers regardless of serogroup and isolation site. No correlation was found between stage of bacterial growth and the amount of endotoxin liberated. These findings suggest that endotoxin liberation is a characteristic of certain strains of N. meningitidis and is not determined simply by bacterial mass.
引用
收藏
页码:289 / 295
页数:7
相关论文
共 15 条
[1]   ENDOTOXIN LIBERATION AND INVASIVITY OF NEISSERIA-MENINGITIDIS [J].
ANDERSEN, BM ;
SOLBERG, O .
SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES, 1984, 16 (03) :247-254
[2]   ENDOTOXIN LIBERATION ASSOCIATED WITH GROWTH, ENCAPSULATION AND VIRULENCE OF NEISSERIA MENINGITIDIS [J].
ANDERSEN, BM ;
SOLBERG, O .
SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES, 1988, 20 (01) :21-31
[3]  
ANDERSEN BM, 1978, ACTA PATH MICRO IM B, V86, P275
[4]   FOLLITROPIN BINDING TO RECEPTORS IN TESTIS - STUDIES ON THE REVERSIBILITY AND THERMODYNAMICS OF THE REACTION [J].
ANDERSEN, TT ;
CURATOLO, LM ;
REICHERT, LE .
MOLECULAR AND CELLULAR ENDOCRINOLOGY, 1983, 33 (01) :37-52
[5]   THE MENINGOCOCCUS AND MECHANISMS OF PATHOGENICITY [J].
DEVOE, IW .
MICROBIOLOGICAL REVIEWS, 1982, 46 (02) :162-190
[6]  
DEVOE LW, 1980, CAN J MICROBIOL, V26, P729
[7]   CORRELATION OF CEREBROSPINAL-FLUID ENDOTOXINLIKE ACTIVITY WITH CLINICAL AND LABORATORY VARIABLES IN GRAM-NEGATIVE BACTERIAL-MENINGITIS IN CHILDREN [J].
DWELLE, TL ;
DUNKLE, LM ;
BLAIR, L .
JOURNAL OF CLINICAL MICROBIOLOGY, 1987, 25 (05) :856-858
[8]   QUANTITATION OF ENDOTOXIN IN BLOOD FROM PATIENTS WITH MENINGOCOCCAL DISEASE USING A LIMULUS LYSATE TEST IN COMBINATION WITH CHROMOGENIC SUBSTRATE [J].
HARTHUG, S ;
BJORVATN, B ;
OSTERUD, B .
INFECTION, 1983, 11 (04) :192-195
[9]   MEMBRANE CHANGES IN HUMAN PLATELETS INDUCED BY LIPOPOLYSACCHARIDE ENDOTOXIN [J].
HAWIGER, J ;
HAWIGER, A ;
STECKLEY, S ;
TIMMONS, S ;
CHENG, C .
BRITISH JOURNAL OF HAEMATOLOGY, 1977, 35 (02) :285-299