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Here we demonstrate that the transcription factor CLOCKWORK ORANGE (CWO) antagonizes CLK-CYC (show COX6C ELISA Kits) E-box binding, thus enhancing the removal of CLK-CYC (show COX6C ELISA Kits) from E-boxes to maintain transcriptional repression. This process requires PER, which suggests that PER-TIM and CWO cooperate to maintain a transcriptionally repressed state by removing CLK-CYC (show COX6C ELISA Kits) from E-boxes
these results demonstrate a key role of Clk post-transcriptional control in stabilizing circadian transcription.
Our findings suggest a novel role for clock protein (show ARNTL ELISA Kits) phosphorylation in governing the relative strengths of entraining modalities by adjusting the dynamics of circadian gene expression.
These results demonstrate that CLK phosphorylation influences the circadian period by regulating CLK activity and progression through the feedback loop.
Computational dissection of CLK/CYC (show COX6C ELISA Kits) context-specific binding sites reveals sequence motifs for putative partner factors, which are predictive for individual binding sites
usp8 (show USP8 ELISA Kits) loss of function (RNAi) or expression of a dominant-negative form of the protein (USP8 (show USP8 ELISA Kits)-DN) enhances CLK/CYC (show COX6C ELISA Kits) transcriptional activity and alters fly locomotor activity rhythms
CLK has specific targets in different tissues, implying that important CLK partner proteins and/or mechanisms contribute to gene-specific and tissue-specific regulation
CTRIP destabilizes CLK protein in a PER-independent manner and helps degradation of phosphorylated PER and TIM in the morning
dPER(DeltaCBD) does not provoke the daily hyperphosphorylation of dCLOCK, indicating that direct interactions between dPER and dCLOCK are necessary for the dCLOCK phosphorylation
findings show that Clk and cyc (show COX6C ELISA Kits) act during starvation to modulate the conflict of whether flies sleep or search for food
Data suggest that Clock1a coordinates mesoderm development and primitive hematopoiesis in embryos by up-regulating Nodal-Smad3 (show SMAD3 ELISA Kits) signaling; Clock1a alterations produce embryonic defects with shortened body length, lack of ventral tail fin, or partial defect of the eyes; Clock1a activates Smad3a (show SMAD3 ELISA Kits) promoter via its E-box1 element. (Clock1a = clock circadian regulator a; Nodal = nodal modulator 1 (show NOMO1 ELISA Kits); Smad3a (show SMAD3 ELISA Kits) = SMAD (show SMAD1 ELISA Kits) family member 3a)
effect of CRY (show CRY2 ELISA Kits) in repressing transcription mediated by CLOCK-BMAL heterodimer
ASS1 (show ASS1 ELISA Kits) acetylation by CLOCK exhibits circadian oscillation in human cells and mouse liver, possibly caused by rhythmic interaction between CLOCK and ASS1 (show ASS1 ELISA Kits), leading to the circadian regulation of ASS1 (show ASS1 ELISA Kits) and ureagenesis.
Disruption of CLOCK protein (show ARNTL ELISA Kits) alters cortical circuits and leads to generation of focal epilepsy.
Development of Mineralocorticoid receptor (show NR3C2 ELISA Kits)-mediated cardiac inflammation and fibrosis is dependent on intact signaling by the circadian protein CLOCK.
Clock protein (show ARNTL ELISA Kits) role in proteasomal and autophagic BMAL1 (show ARNTL ELISA Kits) degradation and glucose homeostasis
CLOCK transcription control of Wnt (show WNT2 ELISA Kits) signaling promotes cell cycle progression in 3T3-L1 preadipocytes.
results demonstrate that the core circadian gene Clock regulates bone formation via transcriptional control of 1,2,5(OH)2D3 receptor PDIA3 (show PDIA3 ELISA Kits)
These results suggest that bone resorption and bone mass are regulated at a sophisticated level by osteoblastic Clock system through a mechanism relevant to the modulation of 1,25(OH)2 D3 -induced Rankl (show TNFSF11 ELISA Kits) expression in osteoblasts.
Abundance of CDH1 (show CDH1 ELISA Kits) and TP63 (show TP63 ELISA Kits) proteins were significantly reduced in cultures transfected with shClock These data support how CLOCK plays a role in regulation of epithelial cell growth and differentiation in the mammary gland.
Data demonstrate that CLOCK and BMAL1 (show ARNTL ELISA Kits) regulate muscle insulin (show INS ELISA Kits) sensitivity via SIRT1 (show SIRT1 ELISA Kits), and activation of SIRT1 (show SIRT1 ELISA Kits) might be a potential valuable strategy to attenuate muscle insulin (show INS ELISA Kits) resistance related to circadian misalignment.
These data establish the importance of circadian CLOCK-inhibin signaling in sepsis.
Our findings suggest that CLOCK and CRY1 polymorphisms might be involved in individual susceptibility to abdominal obesity in Chinese Han population.
This study showed that Lack of Association between Genetic Polymorphism of clock gene with Late Onset Depression and Alzheimer's Disease in a Sample of a Brazilian Population This study showed that Lack of Association between Genetic Polymorphism of PER2 (show PER2 ELISA Kits) gene with Late Onset Depression and Alzheimer's Disease in a Sample of a Brazilian Population
found that overexpression of both Clock and Bmal1 (show ARNTL ELISA Kits) suppressed cell growth
Clock circadian regulator (CLOCK) gene single nucleotide polymorphism rs1801260 minor allele C showed a significantly higher association with the prevalence of diabetes in the Japanese population independent of body mass index (BMI).
Immunostaining of CLOCK and PER2 (show PER2 ELISA Kits) protein was detected in the granulosa cells of dominant antral follicles but was absent in the primordial, primary, or preantral follicles of human ovaries.Oscillating expression of the circadian gene PER2 (show PER2 ELISA Kits) can be induced by testosterone in human granulosa cells in vitro. Expression of STAR also displayed an oscillating pattern after testosterone stimulation
possible circadian rhythm in full-term placental expression
Findings indicate that CLOCK protein (show ARNTL ELISA Kits) plays an important role in fertility and its knockdown leads to reduction in reproduction and increased miscarriage risk.
Upregulation of CLOCK is associated with the expression of HIF-1alpha and VEGF in varicose veins.
when overexpressed, c-MYC (show MYC ELISA Kits) is able to repress Per1 (show PER1 ELISA Kits) transactivation by BMAL1 (show ARNTL ELISA Kits)/CLOCK via targeting selective E-box sequences. Importantly, upon serum stimulation, MYC (show MYC ELISA Kits) was detected in BMAL1 (show ARNTL ELISA Kits) protein complexes
the second half of the photolyase homology region (PHR) of CRY (show CRY2 ELISA Kits) is important for repression through facilitating interaction with CLOCK
This gene product regulates circadian rhythm and metabolism. The protein encodes a transcription factor of the basic helix-loop-helix (bHLH) family and a DNA binding histone acetyltransferase. Polymorphisms in this gene may be associated with behavioral changes in certain populations and with obesity and metabolic syndrome. Alternative splicing results in multiple transcript variants.
, clock homolog (mouse)
, clock homolog
, circadian locomoter output cycles protein kaput
, circadian locomoter output cycles protein kaput-like
, circadian locomoter output cycles kaput
, circadian locomoter output cycles kaput protein
, class E basic helix-loop-helix protein 8
, circadian rhythmicity protein CLOCK