Cited by 280Circadian rhythm and melatoninSepsis Diagnosis and TreatmentImmune Response and Inflammation

Susceptibility Rhythm to E. coli Endotoxin and Bioassay.

Halberg, F., Johnson, E. A., Brown, B. W., Bittner, J. J.·1960·Experimental Biology and Medicine

Abstract

Light-synchronized periodicity analysis reveals a susceptibility rhythm in C mice to E. coli endotoxin. Susceptibility varies predictably and significantly along the 24-hour time scale. A dose of endotoxin which is compatible with survival of most animals when given during middle of daily dark period is highly lethal when it is given 8-12 hours earlier or later. LD50 also was determined for 2 samples from identical batch of endotoxin tested 12 h apart on separate groups of comparable C mice kept under conditions standardized for periodicity analysis: Differences in potency significant at 1% were seen at 2 dose levels common to both assays, the computed “potency ratio” being 3.22.

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Crossref · 10.3181/00379727-103-25439

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  • Conversely, there are hints that owing to an overshooting proinflammatory cytokine response, the immediate defense of antigen is impaired during sleep, particularly during SWS.

    “Conversely, there are hints that owing to an overshooting proinflammatory cytokine response, the immediate defense of antigen is impaired during sleep, particularly during SWS (508,627,693,779).”

    From About Sleep's Role in Memory (2013) · cites this paper as [508]

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Authors
Halberg, F., Johnson, E. A., Brown, B. W., & Bittner, J. J.
Venue
Experimental Biology and Medicine
Published
1960-01-01
Volume
103
Issue
1
Pages
142-144
ISSN
  • 0071-3384 (ISSN-L)
  • 1535-3702
  • 1535-3699
OpenAlex
W2321428190
Cited by
280
References
0
Citations by year
2026: 8 · 2025: 15 · 2024: 21 · 2023: 16 · 2022: 12 · 2021: 13 · 2020: 19 · 2019: 14 · 2018: 9 · 2017: 14 · 2016: 12 · 2015: 8 · 2014: 11 · 2013: 11 · 2012: 11
FWCI
3.25
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
endotoxin, Escherichia coli, circadian rhythm, periodicity analysis, light synchronization, mice, LD50, dose-response relationship, time of administration
MeSH terms
Biological Assay, Endotoxins, Escherichia coli, Humans

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