molecular basis of gynecologic diseases

... Regardless, the exact mechanism of the study clearly emphasizes a critical role of the GPI anchor of PrP in the pathogenesis of prion diseases No central nervous system toxicity of PrP missing the GPI-anchor ... significantly increased generation of Ctm PrP In addition, several pieces of evidence have linked CtmPrP to neurodegeneration in transgenic mice Toxicity of transmembrane isoforms of PrP The evidence that ... found that the absence of the GPI moiety of PrP reduces the formation of PrPSc [46,47] Recently, two lines of transgenic mice were produced which expressed a PrP mutant devoid of the GPI-anchor PrPDGPI...

Ngày tải lên: 30/03/2014, 09:20

... molecular mode of action of glyphosate and the molecular basis for glyphosate resistance Structure and function of EPSPS EPSPS catalyzes the transfer of the enolpyruvyl moiety of phosphoenolpyruvate ... of this enzyme, performed by various laboratories over the past three decades This review summarizes some of the key findings that have led to our current understanding of the molecular mode of ... however, was devoid of substrate or inhibitor, and consequently did not reveal the nature of the active site or the mode of action of glyphosate A decade later, the crystal structure of EPSPS was determined...

Ngày tải lên: 14/02/2014, 14:20

... phosphorylation state of their proteins, thereby changing the amount and localization of Bcl-2 family members However, each type of cancer has its own way of disrupting the balance of the networks of signaling ... associated with stimulation of ERK1 ⁄ and Pak1 pathways, gefitinib might lead to inhibition of invasiveness of human cancer cells through the inhibition of ERK1 ⁄ and Pak1 The use of gefitinib in cells ... of Bax activation in response to a variety of apoptosis-inducing stimuli Molecular mechanisms of sensitivity to EGFR-TKIs JNK and mitogen-activated protein kinase phosphatase-1 The activity of...

Ngày tải lên: 16/02/2014, 09:20

... Molecular Basis of Pulmonary Disease R ESPIRATORY M EDICINE Sharon R Rounds, MD, S ERIES E DITOR Molecular Basis of Pulmonary Disease, edited by Francis ... MD, University of Maryland, Circa 1950 (1) Abstract The National Institutes of Health Of ce of Rare Diseases (ORD) defines a rare or orphan disease as a disorder with a prevalence of fewer than ... Department of Internal Medicine, University of Cincinnati School of Medicine and Cincinnati VA Medical Center, Cincinnati, OH, USA Bruce C Trapnell, MD Department of Pediatrics and Department of Internal...

Ngày tải lên: 05/03/2014, 23:20

... The Authors Journal compilation ª 2008 FEBS 2731 Molecular basis of perinatal form of hypophosphatasia N Numa et al Fig Molecular properties of the TNSALP (V406A) mutant Established CHO-K1 TetOn ... analysis of a purified GPI-anchorless soluble version of the mutant protein The Kcat ⁄ Km value of the mutant TNSALP was less than one-tenth of the Kcat ⁄ Km value of the soluble form of the wild-type ... Journal compilation ª 2008 FEBS 2735 Molecular basis of perinatal form of hypophosphatasia 10 11 12 13 14 15 16 17 18 19 N Numa et al establishment of a model of infantile hypophosphatasia Dev Dyn...

Ngày tải lên: 07/03/2014, 05:20

... sources of information: Base composition studies of Erwin Chargaff • indicated double-stranded DNA consists of ~50% purines (A,G) and ~50% pyrimidines (T, C) • amount of A = amount of T and amount of ... using the cell’s molecular machinery Structure of T2 phage DNA & protein Life cycle of virulent T2 phage: Hershey-Chase Bacteriophage Experiment - 1953 T2 bacteriophage is composed of DNA and proteins: ... The Search for the Molecular Basis of Heredity  Search for genetic material -nucleic acid or protein/DNA or RNA?     Griffith’s...

Ngày tải lên: 13/03/2014, 16:34

... sources of information: Base composition studies of Erwin Chargaff • indicated double-stranded DNA consists of ~50% purines (A,G) and ~50% pyrimidines (T, C) • amount of A = amount of T and amount of ... using the cell’s molecular machinery Structure of T2 phage DNA & protein Life cycle of virulent T2 phage: Hershey-Chase Bacteriophage Experiment - 1953 T2 bacteriophage is composed of DNA and proteins: ... The Search for the Molecular Basis of Heredity  Search for genetic material -nucleic acid or protein/DNA or RNA?     Griffith’s...

Ngày tải lên: 13/03/2014, 17:04

... In addition, there is a similar level of Molecular basis of toxicity of C perfringens e toxin sequence identity to a number of putative bacterial proteins of unknown function, identified by genome ... action of GFP-tagged epsilon toxin on nerve terminals, based on the failure of the toxin to trigger glutamate release from toxin-treated mouse brain synaptosomal Molecular basis of toxicity of C ... perfringens epsilon-toxin increases permeability of single perfused microvessels of rat mesentery Infect Immun 73, 4879–4887 Molecular basis of toxicity of C perfringens e toxin 49 Soler-Jover A, Blasi...

Ngày tải lên: 14/03/2014, 22:20

... domains close Molecular basis of cytokine signalling A B Fig The ternary complex of BMP-2 ⁄ BMPR-IA ⁄ Act-RIIB forms a heterohexameric complex (A) A side view of the ternary complex of BMP-2 (UniProtKB ... assemblies of heterodimeric BMPs and mixed receptor chains are possible [24] A B Molecular recognition The structures of the complexes provide a wealth of information on the mechanism of cytokine ... with activin-like affinity We know the structure of the complex Molecular basis of cytokine signalling between the aspartic acid ⁄ lysine mutant of BMP-2 and ActR-IIB The structure does not indicate...

Ngày tải lên: 15/03/2014, 09:20

... amebal PGKs 3D predicted model of EhPGK Predicted 3D structures of the EhPGK were obtained by means of modeller software (see Fig S1 for details on these models) and molecular operating environment ... sequences analyzed The analysis of the predicted structure suggested that the presence of the shorter lateral chain of Val311 instead of Leu allows for the movement of Tyr239 and Glu309 towards ... studies of the reaction mechanism of rat liver phosphoglycerate kinase in the direction of ADP utilization Biochimie 65, 211–220 36 Geerlof A, Travers F, Barman T & Lionne C (2005) Perturbation of...

Ngày tải lên: 16/03/2014, 01:20

... Lineweaver–Burk plots Modelling the structure of PsHO1 A three-dimensional model of the structure of pea HO was produced on the basis of the alignment of its amino acid sequence (minus the N-terminal ... procedures) The resulting full-length sequence of PsHO1 consisted of 849 bp, encoding a polypeptide of 283 amino acid residues with a predicted molecular mass of 32 794 Da (GenBank accession AF276228) ... region of Arabidopsis thaliana HO1 (AtHO1) and was used as the basis for the design of gene specific primers The 5¢- and 3¢-ends of the pea HO1 cDNA were obtained by rapid amplification of cDNA...

Ngày tải lên: 30/03/2014, 11:20

... provides a good yield of product, and is excellent regardless of the quality of the DNA template From: Methods in Molecular Medicine, vol 92: Molecular Diagnosis of Genetic Diseases, Second Edition ... only that type of mutation 5.4 Features of the DNA Sequence Analyzed Knowledge of the presence of common polymorphisms in the fragment to be analyzed may also affect the choice of method With ... the region of interest forms the lowest melting domain, a GC clamp of 20–40 bp is usually added to one end of the fragment to be analyzed (135) The sensitivity of DGGE is in the range of 95–100%...

Ngày tải lên: 11/04/2014, 09:51

... services 12 Role of the Professional Bodies In the United Kingdom, a number of professional bodies have had an interest in the development of clinical molecular genetics over the last 10 yr Of note are ... of solution A, shake gently for min, pour off the solution, and immerse the gel m a further 300 mL of solution A Pour off solution A and add 400 mL of solution B Shake gently for 15 mm Pour off ... an integral part of the search for or characterization of a gene, the spectrum of pathological mutations within it, and the range of expressed phenotypes However, for a variety of reasons, such...

Ngày tải lên: 11/04/2014, 09:52

... aware of two causes of variability First, the genetic variability of the microorganism and second, the variability of the immunological response of the host This response depends on the strain of ... collection of the resulting double-stranded molecules The molar ratio of abundant to less abundant sequences in the product will then be of the order of the square of the initial ratio of the concentrations, ... application of proteomics in defining the T cell antigens of Mycobacterium tuberculosis Proteomics 1, 574–586 19 Laemmli, U K (1970) Cleavage of structural proteins during the assembly of the head of...

Ngày tải lên: 11/04/2014, 09:52

... Preface The purpose of The Molecular Basis of Plant Genetic Diversity is to provide a glimpse into the dynamic process of genetic variation by presenting the thoughts of some of the scientists ... (extinction) of lineages instead of the taxonomic positions 38 The Molecular Basis of Plant Genetic Diversity 2.4 Inferring the diversification rate The diversification rate shift of the clades of the ... detection of genetic variation/diversity has greatly enhanced studies of evolution There is The Molecular Basis of Plant Genetic Diversity no doubt that genetic variation influences the fitness of individuals,...

Ngày tải lên: 28/06/2014, 11:20

... cell Xist Tsix The role of DNA methylation Figure Transcription of Xist and Tsix on the X chromosome The coding sequences of Xist and Tsix overlap on opposite strands of the X-chromosome DNA ... initiated A second cause of non-random X-chromosome inactivation is the selective death of cells that inactivate the incorrect number of X chromosomes: because the fates of the X chromosomes are ... regulates many aspects of gene expression and involves the production of antisense RNA complementary to sequences in the mRNA of the gene that is being regulated [24] The formation of sense-antisense...

Ngày tải lên: 06/08/2014, 18:21

... subclasses of adenocarcinomas Selected genes allow the discrimination between primary lung cancer and metastasis of extrapulmonary sites [90] Studies of expression profiles of adenocarcinomas of the ... Tissue microarrays (TMAs) of lung cancer Tissue microarrays (TMAs) of lung cancer TMAs are comprised of core biopsies of 0.6 mm in diameter of different tumors and of uninvolved lung from the ... Tumor expression profiles are also influenced by the surrounding non-malignant cells The combination of tumor and cell line profiling allows for the study of the regulatory role of both entities...

Ngày tải lên: 12/08/2014, 18:21

... genetic diseases [20] The proof -of- principle of competition analyses employing the heterozygous yeast deletion mutants involved confirmation or identification of essential proteins as targets of drug ... increasing proportion of mutations will be beneficial Knowledge of genes that exhibit haploproficient phenotypes in the presence of Cr could be exploited to increase the rate of biotechnological ... 100 50 -0.2 -0.05 0.05 0.3 Size of growth effect Figure of Analysis the global effects of Cr treatment on the heterozygous mutants Analysis of the global effects of Cr treatment on the heterozygous...

Ngày tải lên: 14/08/2014, 08:20

... analysis of MD simulation results, the average structures of the protease-inhibitor complexes of the last 100 ps of the simulations were used, superimposing backbone Cα atoms On the basis of these ... SCH 446211 Molecular structures of the NS3-4A serine protease inhibitors VX-950 (telaprevir) and SCH 503034 (boceprevir) as well as of the co-crystallized protease Molecular structures of the NS3-4A ... methods Analysis of experimental structural models of NS3-4A Alternative experimental structure models of the HCV protease NS3 were compared based on the differences of the intramolecular distances...

Ngày tải lên: 14/08/2014, 08:20

... mammalian cells Nonetheless, the precise mechanism of gene transfer is still unclear It will be necessary to identify the specific endogenous factor(s) of A tumefaciens required for the efficient mammalian ... high DNA transfer efficiency of AG6 strain might allow us to develop an efficient human cell gene delivery or a good vehicle for DNA vaccination The feasibility of using this system for DNA delivery ... in the expression of acidic pH-inducible genes, but the mechanism is still unclear Detailed studies is necessary in order to get more information for a better understanding of the signal transduction...

Ngày tải lên: 17/09/2015, 17:20