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In mammals ribonucleotide reductase RNR
2021-08-27
In mammals, ribonucleotide reductase (RNR) is a unique enzyme that catalyzes the rate-limiting step of de novo synthesis of deoxyribonucleoside triphosphates (dNTPs).7, 8 Mammalian RNR consists of two homodimer subunits: the large catalytic dimer RRM1 and the small regulatory dimer RRM2 or RRM2B. An
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Introduction Psoriasis is a chronic recurrent and inflammato
2021-08-27
Introduction Psoriasis is a chronic, recurrent and inflammatory skin disease, and it is characterized by erythema, skin hyperplasia, scales, and hyperproliferation of keratinocyte [1]. It is reported that the psoriasis occurrences are about 3% worldwide [2], but the number varies depending on ethni
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Here two labs that helped characterize these two pathways ha
2021-08-27
Here, two labs that helped characterize these two pathways have worked together to further test whether these apparently parallel pathways from β-AR to CaMKII-RyR might be related in series. Much of the work leading to the Epac pathway involved measurement of Ca sparks as an index of SR Ca leak, oft
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br Conclusions Two chemical coupling agents BTDE and CDI
2021-08-27
Conclusions Two chemical coupling agents, BTDE and CDI, were used to activate the free hydroxyl groups of plant cellulose powder and OPH from Flavobacterium ATCC 27551 immobilized on modified carriers by covalent linkages. The highest immobilization yields obtained in optimum conditions of effect
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br Experimental Procedures br Author
2021-08-26
Experimental Procedures Author Contributions Acknowledgments Introduction Germinal centers (GCs) form in secondary lymphoid organs of vertebrates in response to challenge with T-cell-dependent antigens. After extrafollicular and follicular interactions with cognate antigen and T helper c
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Recent studies support the concept that dietary metabolites
2021-08-26
Recent studies support the concept that dietary metabolites, such as retinoids and AHR ligands, regulate ILC3 function. These metabolites act through intracellular nuclear receptors that function as transcription factors, thereby controlling ILC activity through the stimulation of specific transcrip
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Crystallographic and NMR based analyses
2021-08-26
Crystallographic and NMR-based analyses have revealed that RINGs and U-boxes have a common mode of interaction with E2s (Fig. 2A). The key structural elements are two loop-like regions, which, in the case of RINGs, coordinate Zn. The loops surround a shallow groove formed by the central α-helix. Tog
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N acetylation by N acetyltransferase NAT is an important
2021-08-26
N-acetylation by N-acetyltransferase (NAT) is an important metabolic pathway for some substances, and there are 2 functional NAT isoforms in humans—NAT1 and NAT2. Studies of etamicastat in healthy subjects showed an extensive N-acetylation of etamicastat to the inactive metabolite BIA 5-961, and a l
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br Conclusions In this paper we describe the recombinant
2021-08-26
Conclusions In this paper we describe the recombinant expression and characterization of ParI, a C5-DNA-MTase from P. arcticus 273–4. To our knowledge, this is the first characterization of an orphan C5-DNA-MTase from a psychrophilic bacterium. The C5-DNA-MTase could not be expressed in regular E
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BR stimulated PA formation via the DGK
2021-08-26
BR-stimulated PA formation via the DGK pathway might have many effects in regulation of cell metabolism. For example, PA originated from DGKs pathway plays important roles in activation of NADPH oxidases, thus turning on ROS signaling [23]. PA is also connected to regulation of respiration processes
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br Acknowledgements br Introduction Lung cancer treatment st
2021-08-26
Acknowledgements Introduction Lung cancer treatment strategies, especially molecular targeted therapy, have progressed rapidly. However, most established treatments are for adenocarcinoma of the lung, not for squamous cell carcinoma (SQCC). SQCC constitutes approximately 30% of lung cancers, w
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Cystatins are potent inhibitors of cysteine
2021-08-26
Cystatins are potent inhibitors of cysteine proteases from the C1A family. These inhibitors primarily reduce the activities of cathepsin L-like proteases, although high concentration of barley cystatin hampers the degradation of storage proteins caused by cathepsin F-like protein (HvPap-1) (Cambra e
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Henderson et al reported that allergen induced airway remode
2021-08-26
Henderson et al. [20] reported that allergen-induced airway remodeling was blocked by the CysLT1 receptor antagonist montelukast. The development of epithelial thickening and mucus accumulation at relatively small bronchi was also suppressed by montelukast. The CysLT2 receptor antagonist BayCysLT2RA
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Several RNA BPs like the ELAV protein
2021-08-26
Several RNA-BPs, like the ELAV protein family member HuR, tristetraprolin (TTP) or the KH-type splicing regulatory protein (KSRP) have been shown to interact with these AREs and thereby lead to stabilization or destabilization of the mRNA [5]. Control of nucleocytoplasmic mRNA export is also very
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Omar Farha and coworkers have recently successfully employed
2021-08-25
Omar Farha and coworkers have recently successfully employed metal-organic frameworks (MOFs) to tackle these limitations while retaining the essential characteristics of an immobilization material. MOFs consist of metal ions, or small clusters thereof, coordinated with organic ligands. MOFs are high
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