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Increasing age among middle aged
2021-08-03
Increasing age among middle-aged subjects (30–59years old) was associated with higher levels of cholesterol synthesis markers (although without statistical significance) and also of cholesterol bcl-2 family markers (with statistical significance for campesterol and sitosterol); this finding is consi
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Another potential source of variable affinities is
2021-08-03
Another potential source of variable affinities is inherent in the method of RBA determination. While several reports simply use relative IC50 values as RBAs [11], [12], [13], [14], [15], these are only an approximate measure of relative affinity since IC50 varies due to experimental and biological
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In a recent report Yoshihara and colleagues used transcripto
2021-08-03
In a recent report, Yoshihara and colleagues (2016) used transcriptomes derived from freshly isolated islets of 2-week-old neonatal, 6-week-old young adult, or 12-week-old adult mice to interrogate how maturation is regulated to acquire glucose responsiveness. The authors observed that estrogen-rela
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Another enzyme class that has emerged
2021-08-03
Another enzyme class that has emerged as a potential alternative to P450s are the so-called ‘unspecific peroxygenases’ (UPOs). They also contain a heme but are extracellularly expressed fungal enzymes that are often more stable than P450 monooxygenases. Importantly, UPOs use H2O2 instead of O2 as th
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In principle in vitro techniques for assessing enzyme induct
2021-08-02
In principle, in vitro techniques for assessing enzyme induction might include the use of cultured hepatocytes, precision-cut liver slices, immortalized Alrestatin lines (such as those derived from hepatomas) and reporter gene constructs (where appropriate cells are transfected with recombinant DNA
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In this study we implicate SCFFBXO E ligase as a
2021-08-02
In this study, we implicate SCFFBXO3 E3 ligase as a critical modulator of inflammation in atherosclerosis and demonstrate the efficacy of a small molecule FBXO3 inhibitor in suppressing inflammatory responses important in atherosclerosis. Specifically, individuals carrying a hypofunctioning genetic
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br Introduction Melatonin mainly originates from the pineal
2021-08-02
Introduction Melatonin mainly originates from the pineal gland (Reiter, 1991) and is well known for its physiological functions in the regulation of circadian rhythms (Cajochen et al., 2003) and as a potent free radical scavenger and broad-spectrum antioxidant in mammals (Paradies et al., 2010, T
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In general cellular senescence is considered a programmed re
2021-08-02
In general, cellular senescence is considered a programmed response to stress that can be activated by oxidative stress, irradiation or action of substances or drugs. These stressors cause DNA damage and, through the action of specific proteins (p53 and p21), lead to cell senescence (di Fagagna, 200
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Here we uncover a highly diverse superfamily
2021-08-02
Here we uncover a highly diverse superfamily of self-replicating MGEs, dubbed pipolins, which are present in three major bacterial phyla, as well as in mitochondria, and encode divergent PolB carrying TPR1 and TPR2 subdomains. Biochemical characterization of a representative enzyme encoded by a pipo
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br Electron transfer pathway Intramolecular or inter
2021-08-02
Electron transfer pathway Intramolecular (or inter-domain) electron transfer (IET) in CDH has been studied in much depth [], and similar IET occurs in CcPDH, from the PQQ cofactor in the AA12 domain to the heme b in the AA8 domain. When two kinds of electron acceptors are used for measuring enzym
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apexbio biochem br Introduction The stroma associated with b
2021-08-02
Introduction The stroma associated with breast cancer metastasis consists of extracellular matrix (ECM) proteins, including fibrillar collagens, and a cellular component comprised of mesenchymal stem/multipotent stromal apexbio biochem (MSCs), vessels, and cells of the immune system (Pein and Os
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Introduction Cysteinyl leukotrienes CysLTs LTC
2021-08-02
Introduction Cysteinyl leukotrienes (CysLTs), LTC4, LTD4 and LTE4, are 5-lipoxygenase pathway metabolites of arachidonic cell metabolism and deeply involved in bronchial asthma via activation of CysLT1 receptors [1], [2]. Specific CysLT1 receptor antagonists, including pranlukast [3], [4] and mont
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Several evidences showed that seizures increase brain extrac
2021-08-02
Several evidences showed that seizures increase brain extracellular glutamate, which binds to N-methyl-d-aspartate (NMDA) receptor, then up-regulated cyclooxygenase-2 (COX-2) expression in brain capillaries to increase BBB P-gp expression [11,13,29,30]. A recent study demonstrated a different signal
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Currently according to Mielke and
2021-08-02
Currently, according to Mielke and colleagues [103], drugs with US Food and Drug Administration (FDA) approval for Alzheimer therapy include the following: galantamine (Razadyn®, 4aS,6R,8aS-5,6,9,10,11,12- hexahydro- 3-methoxy- 11-methyl- 4aH [1], benzofuro[3a,3,2-ef] [2] benzazepin- 6-ol), rivastig
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br Conclusions and future perspectives It is now evident tha
2021-08-02
Conclusions and future perspectives It is now evident that selective ETA or nonselective endothelin receptor antagonism provides therapeutic potentials against a variety of cardiovascular diseases such as hypertension, PAH, and diabetic microvascular dysfunction (Fig. 1). However, PAH is currentl
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