Letter: Rheovirus and E. coli in infantile enteritis.

Rowe, B.; Gross, R. J.; Scotland, Sylvia M.

doi:10.1136/jcp.29.8.761

J Clin Pathol

1976

DOI: 10.1136/jcp.29.8.761

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Letter: Rheovirus and E. coli in infantile enteritis.

B. Rowe¹,

R. J. Gross²,

Sylvia M. Scotland³

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Cited by 3 publications

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References 7 publications

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“…The same also holds true for those strains of non-enteropathogenic serotypes isolated from persons with acute diarrhea that has 171 no other apparent cause, which have also been found to be inactive in the conventional tests for invasive and enterotoxigenic properties (4,8,35,47,48). It has been suggested that such strains may produce enterotoxins which differ qualitatively from those detected by the usual assay systems (39) or, alternatively, that other as yet unidentified mechanisms may exist by means of which E. coli induces diarrhea in humans, such as has recently been described in the case of rabbits (3).…”

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confidence: 88%

Enterotoxigenicity of Enteropathogenic Serotypes of Escherichia coli Isolated from Infants with Epidemic Diarrhea

Klipstein

Rowe²,

Engert

et al. 1978

Infect Immun

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Enteropathogenic serotypes of Escherichia coli which have been incriminated by epidemiological evidence as responsible for epidemics of acute diarrhea in infants are often found to be nontoxigenic when tested by conventional systems such as Y1-adrenal, Chinese hamster ovary, and suckling mouse assays. Twelve such strains, representing four different enteropathogenic serotypes, were examined for their capacity to elaborate toxic materials which alter water transport. Ultrafiltration fractions prepared to contain either a high-molecular-weight, heatlabile or a low-molecular-weight, heat-stable form of toxin from each strain were perfused through rat jejuna in graded concentrations ranging from 100 ftg to 0.1 ng/ml. Ten of the twelve enteropathogenic strains produced one or both toxin forms that induced water secretion at concentrations of 1 to 10 ng/ml. Values in this range are considered indicative of clinically significant enterotoxigenicity in this assay system, and toxins from well-documented toxigenic strains examined in this study were active at these same concentrations. Similar preparations from ten control strains from healthy persons were either inactive or evoked water secretion only at concentrations of 10 to 100 ,g/ml. These observations suggest that enteropathogenic serotypes of E. coli isolated from epidemics of infantile diarrhea produce diarrhea by elaborating potent heat-labile and heat-stable toxin forms which alter water transport but which are inactive in conventional assay systems. The manner in which these toxins differ either quantitatively or qualitatively from those which stimulate the conventional test systems is unknown.on August 5, 2020 by guest http://iai.asm.org/ Downloaded from

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mentioning

confidence: 88%

Enterotoxigenicity of Enteropathogenic Serotypes of Escherichia coli Isolated from Infants with Epidemic Diarrhea

Klipstein

Rowe²,

Engert

et al. 1978

Infect Immun

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Skin Eruptions Due to Azapropazone

Barker

Cotterill

1977

The Lancet

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Enterotoxigenic Escherichia Coli Causing Infantile Enteritis in Britain

1977

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Letter: Rheovirus and E. coli in infantile enteritis.

Cited by 3 publications

References 7 publications

Enterotoxigenicity of Enteropathogenic Serotypes of Escherichia coli Isolated from Infants with Epidemic Diarrhea

Enterotoxigenicity of Enteropathogenic Serotypes of Escherichia coli Isolated from Infants with Epidemic Diarrhea

Skin Eruptions Due to Azapropazone

Enterotoxigenic Escherichia Coli Causing Infantile Enteritis in Britain

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