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Jurgen A Ripperger

Explore the profile of Jurgen A Ripperger including associated specialties, affiliations and a list of published articles. Areas
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Articles 43
Citations 1870
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Recent Articles
1.
Brenna A, Ripperger J, Albrecht U
Bio Protoc . 2025 Mar; 15(4):e5187. PMID: 40028028
The circadian clock regulates biochemical and physiological processes to anticipate changes in light, temperature, and food availability over 24 h. Natural or artificial changes in white/blue lighting exposure (e.g., seasonal...
2.
Brenna A, Borsa M, Saro G, Ripperger J, Glauser D, Yang Z, et al.
Elife . 2025 Feb; 13. PMID: 39937180
The circadian clock enables organisms to synchronize biochemical and physiological processes over a 24 hr period. Natural changes in lighting conditions, as well as artificial disruptions like jet lag or...
3.
Wendrich K, Azimi H, Ripperger J, Ravussin Y, Rainer G, Albrecht U
Clocks Sleep . 2023 Apr; 5(2):204-225. PMID: 37092429
The sleep-wake cycle is a highly regulated behavior in which a circadian clock times sleep and waking, whereas a homeostatic process controls sleep need. Both the clock and the sleep...
4.
Olejniczak I, Campbell B, Tsai Y, Tyagarajan S, Albrecht U, Ripperger J
Front Physiol . 2022 Oct; 13:909795. PMID: 36277219
Searching for food follows a well-organized decision process in mammals to take up food only if necessary. Moreover, scavenging is preferred during their activity phase. Various time-dependent regulatory processes have...
5.
Ripperger J, Chavan R, Albrecht U, Brenna A
Clocks Sleep . 2022 Mar; 4(1):185-201. PMID: 35323171
Circadian rhythms are self-sustained oscillators with a period of 24 h that is based on the output of transcriptional and post-translational feedback loops. Phosphorylation is considered one of the most...
6.
Brenna A, Ripperger J, Saro G, Glauser D, Yang Z, Albrecht U
Sci Rep . 2021 Nov; 11(1):21766. PMID: 34741086
Light affects many physiological processes in mammals such as entrainment of the circadian clock, regulation of mood, and relaxation of blood vessels. At the molecular level, a stimulus such as...
7.
Olejniczak I, Ripperger J, Sandrelli F, Schnell A, Mansencal-Strittmatter L, Wendrich K, et al.
PLoS Genet . 2021 Jul; 17(7):e1009625. PMID: 34237069
Light at night has strong effects on physiology and behavior of mammals. It affects mood in humans, which is exploited as light therapy, and has been shown to reset the...
8.
Martini T, Ripperger J, Stalin J, Kores A, Stumpe M, Albrecht U
Sci Rep . 2021 Jun; 11(1):12242. PMID: 34112905
The circadian clock regulates many biochemical and physiological pathways, and lack of clock genes, such as Period (Per) 2, affects not only circadian activity rhythms, but can also modulate feeding...
9.
Martini T, Ripperger J, Chavan R, Stumpe M, Netzahualcoyotzi C, Pellerin L, et al.
Front Physiol . 2021 May; 12:665476. PMID: 33935811
Daily recurring events can be predicted by animals based on their internal circadian timing system. However, independently from the suprachiasmatic nuclei (SCN), the central pacemaker of the circadian system in...
10.
Fonseca Costa S, Ripperger J
Methods Mol Biol . 2020 Dec; 2130:115-125. PMID: 33284440
Understanding the binding of regulatory proteins to their cognate genomic sites is an important step in deciphering transcriptional networks such as the circadian oscillator. Chromatin immunoprecipitation (ChIP) enables the detection...