• The G R mutation is located at

  2023-08-14

  

  The G1202R mutation is located at the solvent front of the ALK kinase domain adjacent to the inhibitor's binding pocket. Although barely reported in the setting of crizotinib resistance, it has emerged as the most refractory mutation to both the first- and second-generation ALK inhibitors. The large

• The lactam emerged as lead

  2023-08-14

  

  The lactam (6) emerged as lead candidate due to its high selectivity, outstanding potency (against ALK or in clinically known ALK mutants), low in vitro clearance, and low efflux potential. The lactam (6) was selected for further profiling against the resistant ALK mutants. Preclinical rat pharmacok

• Gliomas and Aldehyde Dehydrogenase Aldehyde dehydrogenases A

  2023-08-14

  

  Gliomas and Aldehyde Dehydrogenase Aldehyde dehydrogenases (ALDHs) are key metabolic enzymes involved in regulation of glycolysis/gluconeogenesis pathways as well as in the detoxification of endogenous and exogenous aldehydes, regulating cell function and homeostasis. ALDHs play important roles in

• According to their structures and substrate

  2023-08-14

  

  According to their structures and substrate specificity, MMPs are divided into five major groups: collagenases (e.g., MMP1), gelatinases (e.g., MMP2, MMP9), stromelysins (e.g., MMP3, MMP10), matrilysins (e.g., MMP7), and membrane-type MMPs [7]. Among them, MMP1 is a major collagenase that degrades t

• Two cell surface trans membrane receptors

  2023-08-14

  

  Two cell-surface trans-membrane receptors have been identified for adiponectin, AdipoR1 and AdipoR2 [21], and adiponectin action is known to signal through these receptors and the docking protein APPL1 [22]. In muscle and liver cells, signal transduction involves the phosphorylation and activation

• To better understand the pathophysiology of ASDs we

  2023-08-14

  

  To better understand the pathophysiology of ASDs, we would need comprehensive information on a) the functions of ASD-associated proteins in the brain, b) how mutations affect the expression level and function of these proteins, c) how mutations affect their function in neurons, and d) how changed ne

• As with most G protein coupled receptors GPCRs sustained

  2023-08-10

  

  As with most G protein-coupled receptors (GPCRs), sustained activation of APJ can cause desensitization and this has been reported to occur for APJ-mediated effects on cytoplasmic Ca2+ concentration, as well as for effects on activity of adenylyl cyclase, ERK and Akt (Ishida et al., 2004, Masri et a

• Another possible scenario is that the same

  2023-08-10

  

  Another possible scenario is that the same pathologic process has different effects in different people. It might be that the pathway outlined in Fig. 6A is operative in some individuals, but other individuals have a factor Q (which could be genetic or environmental) that blocks the effect of A on T

• It was also shown that of crizotinib resistance

  2023-08-10

  

  It was also shown that 15% of crizotinib resistance mechanisms can be due to an amplification of ALK gene while 30% are caused by a variety of secondary mutations (S1206Y, G1202R, L1196M, C1156Y, G1269A, L1152R, F1174L and 1151Tins) in ALK tyrosine kinase. These mutations can modify the conformation

• Additionally regulation of GPCR heteromerization by specific

  2023-08-10

  

  Additionally, regulation of GPCR heteromerization by specific ligands may depend not only on the affinity of ligands for receptors, but also on presence of different interacting proteins co-localizing with the receptors in the specific cell, which may induce some conformational changes and contribut

• Human hepatocyte transplantation resulted in

  2023-06-30

  

  Human hepatocyte transplantation resulted in some animals with relatively sparse repopulation while others had >90% of their liver containing human hepatocytes. The presence of circulating human albumin varied based on the amount of repopulation as the degree of humanization is reported to correlate

• As with most G protein coupled receptors GPCRs

  2023-06-28

  

  As with most G protein-coupled receptors (GPCRs), sustained activation of APJ can cause desensitization and this has been reported to occur for APJ-mediated effects on cytoplasmic Ca2+ concentration, as well as for effects on activity of adenylyl cyclase, ERK and Akt (Ishida et al., 2004, Masri et a

• The first and the best characterized mechanism of receptor d

  2023-06-26

  

  The first and the best-characterized mechanism of receptor-dependent internalization of Aβ is mediated via the α7-nicotinic DPQ receptor [82]. Lipoprotein receptor protein represents the second best-studied route that facilitates the uptake of Aβ by neurons, involving additional molecules such as a

• br Results The newly synthesized leucine ureido derivatives

  2023-06-25

  

  Results The newly synthesized leucine ureido derivatives were firstly evaluated for their enzymatic inhibition using porcine kidney APN (Microsomal, Biocol) with bestatin as the positive control (Table 1). One isoleucine ureido derivative 14 and phenylglycine ureido derivative 15 were also synthe

• br Discussion AhR is a receptor that

  2023-06-20

  

  Discussion AhR is a receptor that binds to a great variety of lipophilic compounds, in particular those containing at least one aromatic ring (Abel and Haarmann-Stemmann, 2010, Guyot et al., 2013, Hahn, 2002). The main known function of this receptor is to induce the metabolism of these compounds

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