• For both the hydroxylation and

  2025-01-14

  

  For both, the 17α-hydroxylation and 17, 20-lyase reactions, the heme iron center of P450 17A1 receives electron reducing equivalents from CPR. Both reactions require one pair of electrons and molecular oxygen for the conversion of the substrate into product in each catalytic cycle. However, the 17,2

• Five alternatively spliced isoforms of ATX

  2025-01-14

  

  Five alternatively-spliced isoforms of ATX have been described and all are catalytically active [16], [17]. The original ATX described in 1992 is termed ATXα, whereas the most abundant isoform is ATXβ and is the same isoform responsible for plasma lysoPLD activity [18]. Full length ATX is synthesize

• Koumine In vascular endothelial cells L arginine produces ni

  2025-01-14

  

  In vascular endothelial cells, L-arginine produces nitric oxide (NO) under the action of nitric oxide synthase (NOS), and nitric oxide can activate guanylate cyclase to produce a large amount of cGMP, thereby relaxing vascular smooth muscle and expanding blood vessels. Numerous studies have confirme

• The leaves of Bambusa nutans B

  2025-01-14

  

  The leaves of Bambusa nutans, B. vulgaris, B. textilis McClure, B. vulgaris var. vittata, and Dendrocalamus oldhami are reported as promising natural alternatives to synthetic antioxidants as functional food ingredients (Tripathi et al., 2015). Luo et al. (2015), identified two novel flavonoids name

• Testosterone can be converted into

  2025-01-13

  

  Testosterone can be converted into estrogens by aromatase action. Aromatase is encoded by CYP19, belongs to cytochrome P450 superfamily, and synthesizes estradiol (E2) and estrone (E1) from testosterone and androstenedione respectively (Fig. 1). Aromatase is expressed in the ORS of anagen hair folli

• The functional significance of the

  2025-01-13

  

  The functional significance of the cap residues with regard to the established role of PfA-M1 in hemoglobin catabolism in the food vacuole is a key question that is difficult to address with in vitro studies. We note that three of the dipeptide substrates used in our study are found in the sequences

• The rescue of the behavioral deficit was

  2025-01-13

  

  The rescue of the behavioral deficit was associated with a significant reduction in the levels of both soluble and insoluble Aβ peptides and their deposition in the matrix metalloproteinases of the same animals. In search for the mechanism behind the reduced amyloidosis, we assessed APP metabolism.

• For hippocampal asymmetry two SNPs rs and rs

  2025-01-13

  

  For hippocampal asymmetry, two SNPs (rs1476679 and rs4147929) showed significant interaction with diagnosis. They have an inverse effect on asymmetry, which is consistent with their different roles as preventative or risk loci in AD. rs1476679 is intronic in the ZCWPW1 gene, is a histone modificatio

• Another issue is that the vast majority of

  2025-01-13

  

  Another issue is that the vast majority of data from PET and CSF are from selected participants recruited through tertiary care dementia centers [176]. It is widely recognized that clinic-based participants differ from community-based studies, for example, the amount, type, and distribution of neuro

• Introduction A defining feature of cancer cells

  2025-01-13

  

  Introduction A defining feature of cancer cells is disruption of the normal controls of the cell cycle; a tumor suppressor or inhibitor may act by restricting progression of the cell cycle. P27 (also known as cyclin-dependent kinase inhibitor 1B, P27, or Kip1) is a putative cell-cycle inhibitor pro

• br Mechanisms for regulation of intracellular

  2025-01-13

  

  Mechanisms for regulation of intracellular cholesterol homeostasis Cells maintain intracellular free cholesterol levels and distribution within stringent tolerances by several mechanisms [55]: (1) uptake of native LDL (the major extracellular carrier of cholesterol) by LDL receptors and modified

• Cytokine production suppression In earlier experiments on sn

  2025-01-13

  

  In earlier experiments on snails, a behavioral model was employed of certain food rejection to study the mechanisms of the reconsolidation of long-term associative memory. It was found that conditioned food stimuli (reminder) presentation, combined with injections of NMDA glutamate receptor antagoni

• Adenosine receptors activate a number of signalling pathways

  2025-01-13

  

  Adenosine receptors activate a number of signalling pathways involved in tissue survival including several mitogen-activated protein kinases (Fredholm et al., 2001). The common feature of all adenosine receptors is the positive coupling to ERK1/2, whilst A2B and A3 receptors can also activate the st

• br Results br Discussion Members of the PfkB family

  2025-01-13

  

  Results Discussion Members of the PfkB family of proteins, which exhibit AK activity, have only been found in the eukaryotic organisms in the past. Hence, the report of a PfkB family protein in MTub that exhibited AK activity was of much interest, and it necessitated closer examination of its

• As also found by Stolarski

  2025-01-13

  

  As also found by Stolarski et al. [14], inclusion of N2O in the model is successful in reducing the effect of dynamics [13] in the lower stratosphere in the Northern Hemisphere (30–60°N in our case). The inclusion of N2O also decreased the error bars on the trend values, but the trend values still c

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