[HTML][HTML] A blind circadian clock in cavefish reveals that opsins mediate peripheral clock photoreception

N Cavallari, E Frigato, D Vallone, N Fröhlich… - PLoS …, 2011 - journals.plos.org
The circadian clock is synchronized with the day-night cycle primarily by light. Fish represent
fascinating models for deciphering the light input pathway to the vertebrate clock since fish …

Light and feeding entrainment of the molecular circadian clock in a marine teleost (Sparus aurata)

LM Vera, P Negrini, C Zagatti, E Frigato… - Chronobiology …, 2013 - Taylor & Francis
Daily light and feeding cycles act as powerful synchronizers of circadian rhythmicity. Ultimately,
these external cues entrain the expression of clock genes, which generate daily rhythmic …

Daily and circadian rhythms of tissue factor pathway inhibitor and factor VII activity

…, F Portaluppi, I Colognesi, E Frigato… - … , and vascular biology, 2005 - Am Heart Assoc
Objective— Diurnal variations in levels of factor VII (FVII), FVIII, proteins C and S, antithrombin,
plasminogen activator inhibitor-1, prothrombin fragment F 1+2 , and D-dimers in healthy …

[HTML][HTML] The light wavelength affects the ontogeny of clock gene expression and activity rhythms in zebrafish larvae

V Di Rosa, E Frigato, JF López-Olmeda… - PloS one, 2015 - journals.plos.org
… Positive elements such as CLOCK and BMAL bind to E-box elements located in the regulatory
regions of negative elements (pers and crys). CRY and PER proteins down-regulate their …

[PDF][PDF] Loss of circadian rhythmicity in bdnf knockout zebrafish larvae

Y D'Agostino, E Frigato, TMR Noviello, M Toni… - Iscience, 2022 - cell.com
Brain-derived neurotrophic factor (BDNF) plays a pivotal role in neuronal growth and
differentiation, neuronal plasticity, learning, and memory. Using CRISPR/Cas9 technology, we …

[HTML][HTML] Relaxed selective constraints drove functional modifications in peripheral photoreception of the cavefish P. andruzzii and provide insight into the time of cave …

L Calderoni, O Rota-Stabelli, E Frigato, A Panziera… - Heredity, 2016 - nature.com
The genetic basis of phenotypic changes in extreme environments is a key but rather
unexplored topic in animal evolution. Here we provide an exemplar case of evolution by relaxed …

[HTML][HTML] Evolution shapes the responsiveness of the D-box enhancer element to light and reactive oxygen species in vertebrates

…, G Ruggiero, RM Ceinos, M Pagano, E Frigato… - Scientific reports, 2018 - nature.com
… These proteins bind as heterodimeric complexes to canonical E-box enhancer elements (5′-CACGTG-3′)
present in the promoter regions of the negative elements of the circuit (the …

[PDF][PDF] Modulation of DNA repair systems in blind cavefish during evolution in constant darkness

…, S Lungu-Mitea, P Negrini, AM Guarino, E Frigato… - Current Biology, 2018 - cell.com
… proximity to their transcription start sites, and canonical E-box elements (50-CACGTG-30)
(Figure 6G and Table S3). While the E-boxes potentially represent binding sites for the core …

[HTML][HTML] Feeding entrainment of the zebrafish circadian clock is regulated by the glucocorticoid receptor

E Morbiato, E Frigato, A Dinarello, F Maradonna… - Cells, 2019 - mdpi.com
Glucocorticoids (GCs) are steroid hormones mainly acting as key regulators of body
homeostasis and stress responses. Their activities are primarily based on the binding to the GC …

Evidence for circadian rhythms in human trophoblast cell line that persist in hypoxia

E Frigato, L Lunghi, ME Ferretti, C Biondi… - Biochemical and …, 2009 - Elsevier
… Briefly, a positive loop includes CLOCK-BMAL heterodimers, transcriptional activators
that bind to E-box elements located in the promoter of negative elements such as Period (Pers), …