نتایج جستجو برای: ماده 286 قما
تعداد نتایج: 39695 فیلتر نتایج به سال:
We have examined the role of Thr-286 autophosphorylation in the autoregulation of Ca2+/calmodulin-dependent protein kinase II. Using site-directed mutagenesis, we have substituted alanine or serine for Thr-286, or isoleucine for Arg-283, in the 50-kDa subunit of the kinase and expressed each protein in bacteria. Activation and autophosphorylation of all four enzymes were stringently dependent o...
PURPOSE HTI-286 is a fully synthetic analogue of the natural tripeptide hemiasterlin that inhibits tubulin polymerization and has strong cytotoxic potential. In this study, we evaluate the inhibitory effects of HTI-286 on human bladder cancer growth, both in vitro and as an intravesical agent in an orthotopic murine model. EXPERIMENTAL DESIGN Various bladder cancer cell lines were treated wit...
In this paper we close the gap between the results of [8] and [9] by showing that there are 11-doilies for vertex sets of size 275; 286; : : : ; 462: In [8] it is shown that there are 11-doilies with vertex size 462; 473; : : : ; 1001; and in [9] it is shown that there are such diagrams with vertex size 231; 242; : : : ; 352: This is the third paper in a series showing that 11-doilies exist for...
4. Automated Interpretation of CID Spectra 282 5. Accurate Mass Tags 282 C. Protein Identification in Complex Mixtures 282 D. Analysis of Protein Expression 284 III. Proteomes and Post-Translational Modifications 285 A. Proteomes 285 1. The Analytical Challenge 285 2. Analysis of Protein−Protein Complexes 286 B. Post-Translational Modifications 286 1. Background 286 2. Detection and Purificatio...
Clinical results of current intravesical chemotherapeutics are insufficient, and novel and safe intravesical options for high-risk bladder cancer are required to prevent both recurrence and progression. In this study, we show promising efficacy of intravesical combination treatment using antisense oligonucleotides targeting heat shock protein-27 (Hsp27; OGX427) with HTI-286, a synthetic analogu...
The aim of our study was to assess the theoretical and practical knowledge of French obstetricians about the surgical management of postpartum haemorrhage (PPH). Our study is a national anonymous self-administered survey. A total of 363 obstetricians responded to this questionnaire between December 2013 and April 2014. Questionnaire sent through email to all French obstetricians who are members...
A series of tubulysin analogs in which one of the stereogenic centers of tubuphenylalanine was eliminated were synthesized. All compounds were tested for antiproliferative activity towards ovarian cancer cells and for inhibition of tubulin polymerization. The dimethyl analogs were generally more active than the desmethyl analogs, and four analogs have tubulin polymerization IC(50) values simila...
We isolated revertants of a polyomavirus whose origin of DNA replication contains a point mutation in the palindrome to which large T antigen binds. Four independent second-site revertants contain an Asp-286----Asn-286 substitution in large T antigen. This mutant large T antigen activates replication of DNAs containing the mutant polyomavirus origin as well as replication of DNAs containing the...
Hemiasterlin is a natural product derived from marine sponges that, like other structurally diverse peptide-like molecules, binds to the Vinca-peptide site in tubulin, disrupts normal microtubule dynamics, and, at stoichiometric amounts, depolymerizes microtubules. Total synthesis of hemiasterlin and its analogues has been accomplished, and optimal pharmacological features of the series have be...
برخی از گونه های زنبور تریکوگراما، دارای نوعی همزیستی با باکتری Wolbachia هستندکه باعث القاء بکرماده زایی در آنها میشود. جمعیتهایی این پارازیتوئید تخم آفات که نتاج ماده بیشتری تولید میکنند، میتوانند بالقوه توان بالاتری برخوردار باشند. پس شناسایی یک جمعیت بومی آلوده به ولباکیا Trichogramma brassicae، بررسی هایی منظور ارزیابی تواناییهای تکجنسی (A) قیاس جمعیتهای دوجنسی طبیعی (B) و تغذیه...
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