• br Phosphorylation of P c Initial

  2024-12-27

  

  Phosphorylation of P450c17 – Initial studies In addition to the molar ratio of POR to P450c17 and the allosteric action of cytochrome b5, a third factor that governs 17,20 lyase activity is the serine/threonine (Ser/Thr) phosphorylation of P450c17 itself. In a search for post-translational factor

• As cytosolic acetyl CoA levels in hepatocytes descend

  2024-12-27

  

  As cytosolic acetyl-CoA levels in hepatocytes descend, cellular production and concentration of cholesterol go down, a change that is known to be sensed by the Sterol response element binding protein (SREBP)/Cleavage-Activating Protein system, leading to SREBP escort to the Golgi apparatus, cleavage

• Hydrogen sulfide H S a colorless and water soluble

  2024-12-27

  

  Hydrogen sulfide (H2S) [33], a colorless and water-soluble gas with the smell of rotten eggs, is now recognized as an important gasotransmitter, after the extensive study of nitric oxide (NO) and carbon monoxide (CO). H2S is produced endogenously via enzymatic reactions of cysteine, homocysteine and

• It has been proposed that a PrP pathogenic mechanism

  2024-12-27

  

  It has been proposed that a PrP pathogenic mechanism is a toxic gain of function secondary to the misfolding of mutated PrP. However, such a mechanism might not apply to all mutant PrP species, since some mutations had little effect on the stability and folding kinetics of PrP (Swietnicki et al., 19

• To date defining the prognostic

  2024-12-27

  

  To date, defining the prognostic impact of molecular drivers of early-stage NSCLC has been challenging due to the relative rarity of these subsets and the redefinition of comparator arms over time as understanding of the molecular drivers of NSCLC evolved. Indeed, use of molecularly heterogeneous co

• Synthesis of the pterin carboxamides

  2024-12-27

  

  Synthesis of the pterin-7-carboxamides was achieved, as shown in , based on a previously reported method that utilizes DBU as a key additive to dissolve pterin in organic solvents and accelerate the reaction., With this method, the pterin-amino Cyclosporin H conjugates (–) were readily obtained by s

• ADA catalyzes the deamination of adenosine and deoxyadenosin

  2024-12-26

  

  ADA catalyzes the deamination of adenosine and deoxyadenosine into their respective inosine nucleoside (Cristalli et al., 2001). This conversion is an initial step in a series of reactions responsible for lymphocyte proliferation and differentiation. Moreover, ADA is considered an indicator of cellu

• Recently several groups including ours have started to

  2024-12-26

  

  Recently, several groups, including ours, have started to use the C. elegans multi-dendritic PVD neurons as a model system to dissect the molecular mechanisms of dendrite development. During larval development, PVD elaborates complex and stereotyped dendritic arbors by sequentially adding primary (1

• The indirect effect of corporate taxation

  2024-12-26

  

  The indirect effect of corporate taxation, as given by the second term in Eq. (18), consists of two elements; (i) a standard Cy3-dUTP effect (τ/n2), and (ii) a capital cost effect (rG(1−αt)/(1−t)). With a CRS technology, the cost effect vanishes, whereas with an IRS (a DRS) technology the cost effec

• The cellular mechanism underlying the CGS mediated

  2024-12-26

  

  The cellular mechanism underlying the CGS12066-mediated inhibition of glutamate release from hippocampal nerve terminals through presynaptic 5-HT1B receptors remains to be elucidated. 5-HT1B receptors are coupled to PTX-sensitive G proteins (Gi or Go) that have been shown to inhibit AC activity as w

• Although CP has been an important

  2024-12-26

  

  Although CP has been an important research subject in the field of antigen processing and presentation, the mechanisms of presentation of intracellular lee011 by MHC II received considerably less attention. Interestingly, pioneering work by the Münz laboratory has pointed to an involvement of autop

• In conclusions MPE effects in causing lesser increase in vag

  2024-12-26

  

  In conclusions, MPE effects in causing lesser increase in vaginal fluid pH could partly restore the vaginal acidity in sex-steroid deficient state. MPE could exert its effect via enhancing both H+ generation as well as H+extrusion into the vaginal lumen. Although gallic UTP RNA synthesis is the mai

• The co crystal structure of blebbistatin bound

  2024-12-26

  

  The co-crystal structure of ()-blebbistatin ()- bound to myosin II (PDB: ) was used to scout for possible favorable interactions with the residues lining the binding pocket. Looking at A, we hypothesized that -oriented hydrophilic moieties (e.g. hydroxymethyl) on C of the blebbistatin scaffold migh

• As previously mentioned when hypoxia treated

  2024-12-26

  

  As previously mentioned when hypoxia-treated cells become re-oxygenated they sustain a significant amount of DNA damage which has been attributed to the formation of reactive oxygen species . This finding represents more than just an interesting in vitro phenomenon as within a tumor, cells have been

• br Mechanisms of homeostasis At face value homeostatic

  2024-12-26

  

  Mechanisms of homeostasis At face value, homeostatic mechanisms may seem like nothing more than a simple balance between opposing forces; however, the ability of Mec1/Tel1 to each orchestrate both negative and positive regulation greatly complicates the system under consideration and argues again

16025 records 34/1069 page Previous Next First page 上5页 3132333435 下5页 Last page