• br Results br Discussion Both ATM

  2023-07-19

  

  Results Discussion Both ATM and ATR are key regulators of the cellular response to DSBs, yet how exactly they function in concert is not well understood. Recent studies revealed that ATM is required for the resection of DSBs (Jazayeri et al., 2006, Myers and Cortez, 2006), a process necessary

• Earlier studies showed that exposure

  2023-07-19

  

  Earlier studies showed that exposure of cells to IR caused ATM-dependent phosphorylation of 53BP1, as judged by electrophoretic mobility shift [24], [25], [26]. To date, the only known in vivo 53BP1 phosphorylation site(s) are Ser25 and possibly Ser29 [27]. In the course of our studies, we noticed t

• The main function of ATR CHK signaling

  2023-07-19

  

  The main function of ATR/CHK1 signaling is activating MMP-2 Inhibitor I checkpoint arrest for S and G2 phases in mammalian cells. There are three checkpoints in response to DNA damage: G1/S, G2/M, and S-phase. The G2/M checkpoint can prevent cells that incur DNA damage in G2 phase or progress into

• Significant reductions in GYN cancer patient

  2023-07-19

  

  Significant reductions in GYN cancer patient mortality and morbidity rates require treatments that proactively prevent and reverse resistance to chemotherapy and radiation. Combining chemotherapy and radiation with inhibitors of key DDR proteins targets is likely to enhance the ability of genotoxic

• To clarify the molecular mechanism of maduramicin induced ap

  2023-07-19

  

  To clarify the molecular mechanism of maduramicin-induced apoptosis in chicken myocardial cells, the mRNA levels of bcl-2, bax, and cytochrome C, as well as the mRNA levels and activities of caspase-3/8/9 were determined. The mRNA expressions and activities of initiator casapase-9 and executioner ca

• Cellular detoxification is an important process that helps

  2023-07-19

  

  Cellular detoxification is an important process that helps remove excess oxidants from the cellular environment through endogenous antioxidants or other molecules capable of reduction. One of the key regulators of antioxidant production is the transcription factor, nuclear factor (erythroid-derived

• br Conclusions br Acknowledgments The authors

  2023-07-18

  

  Conclusions Acknowledgments The authors are thankful to Hugo Santos, Olga Martinez and Ricardo Lacerda for the technical assistance provided in the maintenance of the aquaria. This work was supported by national funds, through FCT and co-funded by the European Regional Development Fund (ERDF)

• Ozone induced innate inflammatory responses in the lung invo

  2023-07-18

  

  Ozone-induced innate inflammatory responses in the lung involve neutrophil extravasation through enhanced trans-endothelial migration (Krishna et al., 1997). Catecholamines and glucocorticoids, which are increased by ozone inhalation (Bass et al., 2013, Miller et al., 2015, Miller et al., 2016a, Mil

• Lipotoxicity is the accumulation of excess lipids

  2023-07-18

  

  Lipotoxicity is the accumulation of excess lipids in non-adipose tissues that leads to cell dysfunction or cell death. It may play an important role in the pathogenesis of diabetes, and contributes to the rate of progression of CKD [7,8]. Emerging evidence indicates that renal lipid dysregulation is

• HT receptors are distributed throughout the

  2023-07-18

  

  5-HT3 receptors are distributed throughout the brain, within the brainstem (e.g., nucleus tractus solitarius, area postrema and spinal trigeminal nucleus) and mgmt inhibitor (e.g., hippocampus, amygdala, nucleus accumbens, putamen and caudate) (Abi-Dargham et al., 1993, Barnes et al., 1989, Bufton

• Adenosine is a ubiquitous homeostatic substance released

  2023-07-18

  

  Adenosine is a ubiquitous homeostatic substance released from most cells, including neurons and glias. Endogenous adenosine acts at four principal G-protein-associated receptor subtypes: A1, A2a, A2b and A3 (Ralevic and Burnstock, 1998). The stimulation of adenosine receptors by extracellular adeno

• br Therapeutic advantages and clinical

  2023-07-18

  

  Therapeutic advantages and clinical implications of caffeine treatment in ROP The demonstration of the role of the adenosine receptor in development of ROP and protection by caffeine suggests two potential therapeutic strategies with high translational potential: a) modification of caffeine treat

• It is worth mentioning that cordycepin

  2023-07-18

  

  It is worth mentioning that cordycepin, as an adenosine analogue, is structurally similar to adenosine. A previous study has shown that the anti-apoptotic effects of cordycepin are partially dependent on the activation of A1R [16], and cordycepin increases theta waves power density via nonspecific a

• Our data indicate that the

  2023-07-18

  

  Our data indicate that the D1 domain only needs to hydrolyze ATP a few times, or perhaps even just once, during the processing of a given substrate molecule, whereas the D2 domain hydrolyzes ATP many times. Consistent with this model, only D2 contains the canonical aromatic pore loop residues implic

• The importance of the ATM Tel

  2023-07-18

  

  The importance of the ATM/Tel1 to ATR/Mec1 switch in the response to DSBs remains to be determined. Noteworthy, resection-defective S. cerevisiae cells, such as sae2Δ, exo1Δ, fun30Δ or sgs1Δ mutants, fail to turn off the checkpoint in response to an unrepaired DSB [56], [127], [128]. Moreover, the s

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