• SMER 3 br Acknowledgments br Introduction Cell cycle arrest

  2020-11-24

  

  Acknowledgments Introduction Cell cycle arrest or delay may occur at 3 major checkpoints, i.e. G1/S, intra-S and G2/M. p53 has a central role in controlling the G1/S checkpoint, and its loss or deactivation, occurring in the majority of cancers, forces cancer cells to rely on the S and G2/M ch

• It is of interest that an initial maternal experience in

  2020-11-24

  

  It is of interest that an initial maternal experience in virgin mice produces both changes in subsequent maternal behavior as well as possible changes in neural gene expression. Stolzenberg et al. (2012) proposed that experience-based changes in maternal responsiveness may be mediated by chromatin m

• Four m thick sections of formalin fixed paraffin

  2020-11-24

  

  Four-μm thick sections of formalin-fixed paraffin-embedded tissue samples from uterine cervical cancers were cut with a microtome and dried overnight at 37 °C on a silanized-slide (Dako, Carpentaria, CA, USA). The protocol of the universal Dako Labeled Streptavidin–Biotin kit (Dako) was followed for

• br Epac in cardiovascular pathophysiology

  2020-11-24

  

  Epac in cardiovascular pathophysiology Epac orchestrates signaling actors that regulate fundamental cellular functions and general biological effects. However, some important gaps still remain in the knowledge of the physiopathological role of Epac in the heart. So far, Epac has been implicated i

• br Conclusions We can conclude that Arg

  2020-11-24

  

  Conclusions We can conclude that Arg293 is important but not indispensable for MeGlcA recognition by EcXyn30A since the R293A variant still retains activity and preference for MeGlcA-substituted substrates. The substrate specificity of GH30_8 glucuronoxylanases is most probably determined by an o

• In summary we investigated the fluoride

  2020-11-24

  

  In summary, we investigated the fluoride sensitivity of different S. mutans strains in terms of enolase activity. Lower enolase activity was not always associated with lower S. mutans growth in cultures with NaF. Gene analysis showed that UA130 and NCH105 both have enolase point mutations. Unique am

• Why are Tfh cell dynamics

  2020-11-24

  

  Why are Tfh cell dynamics so fundamentally different in naive and immune animals? Initially, GC nigericin must pass stringent affinity and specificity checkpoints to ensure only high-affinity non-self-reactive cells are selected. Therefore, restricting primary Tfh cells with the greatest helper cap

• Our data supports the conclusion that

  2020-11-23

  

  Our data supports the conclusion that the exonuclease activity thought to be intrinsic to Artemis is not a component of the Artemis polypeptide. Many possibilities exist to explain the presence of the exonuclease activity in less-pure fractions of Artemis. It is possible that the exonuclease is simp

• br Roles of TLS polymerases outside DNA damage tolerance

  2020-11-23

  

  Roles of TLS polymerases outside DNA damage tolerance Preparing the ground for more DNA damage: adaptive responses through gene induction Conclusions and perspectives Although known for many decades, the relevance of TLS in genome stability is normally considered secondary to mechanisms tha

• Besides chemopreventive effects against oxidative DNA damage

  2020-11-23

  

  Besides chemopreventive effects against oxidative DNA damage we evaluated the protective effects of the three Hypericum sp. and isolated compounds against alkylating DNA damage induced by MMS in HT29 cells. Human exposure to alkylating agents, from different sources, occurs in a continuous way and i

• In this study using REMD with

  2020-11-23

  

  In this study, using REMD with the crystal environment, we investigate the effect of cryo-cooling on the crystal structure of Escherichia coli DHFR. DHFR is an important model enzyme (for review, see, e.g., (30)), and has been studied for decades (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43).

• Resistance to SP is linked to point mutations

  2020-11-23

  

  Resistance to SP is linked to point mutations that accumulate at several sites in the dihydrofolate reductase (dhfr) and dihydropteroate synthase (dhps) Phenformin mg of P. falciparum (Roper et al., 2003). These mutations have been identified in codons 16, 51, 59, 108, and 164 in the dhfr gene and

• br NADH and NADPH Turnover and the Putative Role

  2020-11-23

  

  NADH and NADPH Turnover and the Putative Role of Alternative NAD(P)H Dehydrogenases Still very little is known about the metabolic function of external and internal alternative NADH:UQ oxidoreductases, and almost nothing is known about the mechanisms underlying their metabolic regulation, especia

• br Results br Discussion The sequence

  2020-11-23

  

  Results Discussion The sequence homology-based clustering of the human kinome by Manning et al. (2002) has been extremely useful to organize kinases into KPT-276 synthesis by sequence relationship. Since kinases are such prominent drug targets, we expect that clustering of the kinases by thei

• Confirmation of the presence of H PPase

  2020-11-23

  

  Confirmation of the presence of H+-PPase genes in the genomes of the different protists tested was obtained by Southern blot analyses using the PCR-amplified DNA fragments as probes (Fig. 3). In the trypanosomatids L. major and T. cruzi and the euglenoid A. longa, a single band appeared in the filte

15483 records 741/1033 page Previous Next First page 上5页 741742743744745 下5页 Last page