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Updated: Jun 26, 2025

The Use of Mouse Splenocytes to Assess Pathogen-associated Molecular Pattern Influence on Clock Gene Expression
Published on: July 24, 2018
Crosstalk between circadian clocks and pathogen niche.
Helene Borrmann1, Filipa Rijo-Ferreira1,2
1Berkeley Public Health, Molecular and Cell Biology Department, University of California Berkeley, Berkeley, California, United States of America.
Circadian rhythms, the body's 24-hour cycles, influence how pathogens interact with specific tissues. Understanding this host-pathogen interplay is key for developing new infectious disease treatments.
Area of Science:
- Chronobiology
- Infectious Diseases
- Microbiology
Background:
- Circadian rhythms are endogenous 24-hour cycles regulating physiological and behavioral processes in most organisms.
- These rhythms operate at organismal, organ, and molecular levels, influencing cellular functions.
- Pathogens, including parasites, bacteria, viruses, and fungi, can exhibit their own circadian rhythms or be affected by host rhythms.
Purpose of the Study:
- To review the impact of circadian rhythms on host-pathogen interactions.
- To explore how tissue-specific circadian biology influences pathogen dynamics within mammals.
- To highlight the implications for infectious disease research and therapeutic strategies.
Main Methods:
- Literature review of studies on circadian rhythms and pathogen-host interactions.
- Analysis of research on tissue-specific circadian biology in mammals.
- Synthesis of findings on how environmental and internal rhythms affect pathogens.
Main Results:
- Circadian rhythms significantly influence the dynamics of host-pathogen relationships.
- Pathogens adapt to or are modulated by the rhythmic microenvironments within specific host tissues.
- Distinct organs possess unique circadian characteristics that impact pathogen colonization and replication.
Conclusions:
- The interplay between mammalian circadian biology and pathogen behavior is complex and tissue-dependent.
- Circadian rhythms represent a critical factor in understanding infectious disease susceptibility and progression.
- Targeting circadian pathways offers a potential novel approach for combating infectious diseases.
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