receptors signal transduction and their ligands
biochemistry of signal transduction and regulation 3d ed - gerhard krauss
... structural and biochemical properties of signaling molecules and their regulation, the interaction of signaling proteins at VIII Preface the various levels of signal transduction and to work ... different signaling proteins and their subspecies, on the supramolecular organization of signaling proteins and on the interplay between different signaling pathways The enormous complexity of signaling ... Branching and Crosstalk 124 Variability and Specificity of Receptors and Signal Responses 126 Extracellular Signaling Molecules 128 The Chemical Nature of Hormones 128 Hormone Analogs: Agonists and...
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signal transduction and human disease
... cell types and a variety of different ligands Included among these are other ligands transduced by tyrosine kinase receptors such as EGF, as well as ligands transduced by G-coupled receptors, ... for- Signal Transduction and Human Disease, Edited by Toren Finkel and J Silvio Gutkind ISBN 0-471-02011-7 Copyright © 2003 John Wiley & Sons, Inc ATHEROSCLEROSIS: SIGNAL TRANSDUCTION BY OXYGEN AND ... host defense or signal transduction (Fig 1.7) 13 14 ATHEROSCLEROSIS: SIGNAL TRANSDUCTION BY OXYGEN AND NITROGEN RADICALS Figure 1.7 The divergent role of high and low levels of RNS and ROS A potential...
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Báo cáo khoa học: The role of helix 8 and of the cytosolic C-termini in the internalization and signal transduction of B1 and B2 bradykinin receptors potx
... Influence of the cytosolic carboxyl termini of human B1 and B2 kinin receptors on receptor sequestration, ligand internalization, and signal transduction J Biol Chem 273, 2617–2623 17 Blaukat A, ... differential signaling is less likely to explain differences in internalization than in two receptors signaling through different G proteins Internalization patterns of truncations I347* and N338*, and ... B1CB2) and at Y7.53 within the NPXXY sequence (chimera B1YB2) 131 Role of helix and C-termini in bradykinin receptors A Faussner et al Table Receptor density (Bmax), receptor affinity (Kd), basal and...
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Structure and mechanism of hormone perception and signal transduction by abscisic acid receptors
... gate-latch-lock mechanism of ligand perception and signal transduction by the PYL ABA receptors 99 Figure 39 Mutations in the PYR1 latch and gate affect ABA signalling in vitro and in vivo ... knowledge of ABA signal transduction That is, how the ABA signal is perceived LITERATURE REVIEW The identification of ABA receptors, plant proteins that sense the hormone and relay the signal to other ... responses (Pandey and Assmann, 2004; Ullah et al., 2002) and these findings has contributed to speculations that GPCRs may be involved in ABA signal transduction The third ABA receptor candidate,...
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Tài liệu Báo cáo khoa học: 1. Signal Transduction 1.1 Integration of Metabolism and Survival pdf
... unprecedented modes of their activity Germline and somatic gene targeting of genes for steroid hormone receptors allows the characterization of their functions as 1.6 Cell Surface Receptors and Downstream ... conformation, Syk can recruit other signalling molecules thus facilitating their phosphorylation and the propagation of the BCR signal These studies, which are conducted in a novel signalling pathway reconstitution ... main role is to control 1.5 Signaling and Cancer: Nuclear Receptor Connection S1.5-1 Androgen action and prostate carcinogenesis F Saatcioglu ¸ ˘ Division of Cellular and Molecular Biology, Department...
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Plant physiology - Chapter 14 Gene Expression and Signal Transduction potx
... is called a signal transduction pathway Typically, the end result of signal transduction pathways is to regulate transcription factors, which in turn regulate gene expression Signal transduction ... porin genes, ompC expression is repressed and ompF expression is stimulated (From Parkinson 1993.) Gene Expression and Signal Transduction cyanobacteria, and it appears to be related to bacterial ... mechanisms for adapting their growth and development to the amount and quality of light In the sections that follow we will explore some of the basic mechanisms of signal transduction in animals,...
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Báo cáo khoa học: Bistability from double phosphorylation in signal transduction Kinetic and structural requirements potx
... linked to multifunction and crosstalk between signal transduction networks, which explains how the same signal transduction pathway can be responsible for the transduction of signals resulting in ... cycle (steps and 2) and cycle (steps and 4) (Eqn 7) and the values of a, c and b only depend on the KS value (Eqn 8) The concentrations of interconvertible forms are: c¼a¼ þ KS and b¼ À KS ð8Þ ... requirements in signaling are constrained: a and c only vary between ⁄ and ⁄ 2, whereas b varies between and ⁄ is studied for different sets of parameters, resulting in (a) a single steady state and (b)...
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Báo cáo khoa học: Principles behind the multifarious control of signal transduction ERK phosphorylation and kinase/phosphatase control potx
... both duration and integral signal strength The control for all processes together equaled for peak amplitude and nal signal strength and it equaled )1 for duration and integral signal strength ... process rates on maximum and nal signal strength must be zero and the sum of their control on duration and on integral signal strength )1 This statement, with respect to signal amplitude, dictates ... amplitude of signaling; the nal intensity of signaling; the duration of signaling and the integral signal intensity (which corresponds to the area-under-the-curve) For MAPK and other signaling pathways,...
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Báo cáo khoa học: Arthropod nuclear receptors and their role in molting pptx
... recognized by other receptors For example, vertebrate steroid hormone receptors (such as GRs, mineralcorticoid receptors, progesterone receptors and androgen Arthropod nuclear receptors receptors) bind ... hormone receptors (TRs), retinoic acid receptors (RARs), vitamin D receptors (VDRs) and peroxisome proliferator-activated receptors (PPARs) in mammals The second family, NR2, contains RXRs and hepatocyte ... BtEcR and TmEcR were similar, as anticipated by their sequence similarity In the PonA-bound HvEcR-LBD complex, the LBD is composed of 12 helices and three small b-strands, and possesses a long and...
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Báo cáo khoa học: Salicylic acid and the hypersensitive response initiate distinct signal transduction pathways in tobacco that converge on the as-1-like element of the PR-1a promoter pot
... the tobacco PR-1a promoter is targeted by at least two distinct signal transduction pathways, elicited by SA and by a yet unknown signal produced during the HR, respectively, which mediate PR-1a ... view of the results presented, it seems plausible that two distinct signal transduction pathways could be targeted by SA and by signals released during the HR, respectively, resulting in the independent ... support for our model of distinct signal transduction pathways leading to the independent activation of the tobacco PR-1a gene by SA and by an unknown HR released signal, we have made use of transgenic...
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Báo cáo khoa học: Death-associated protein kinase (DAPK) and signal transduction: additional roles beyond cell death ppt
... et al DAPK and signal transduction to use this information to understand developmental or disease processes Classically, genetic screens in tractable organisms, such as yeast, worms and flies, ... small peptide-mimetic ligands to alter how an enzyme functions, was utilized FEBS Journal 277 (2010) 48–57 ª 2009 The Authors Journal compilation ª 2009 FEBS 49 DAPK and signal transduction Y Lin ... Autophagy Fig Signalling to DAPK DAPK plays an important role in a diverse range of signal transduction pathways The biological outcome of DAPK activity depends on the input signal and includes...
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Báo cáo khoa học: Death-associated protein kinase (DAPK) and signal transduction: blebbing in programmed cell death docx
... in ‘healthy’ cells: their growth is dependent upon actomyosin contraction, their lifecycle is only a few minutes, and they retract In contrast, necrotic blebs are larger and more transparent ... adhesion and survival signalling [53], and can inhibit the association of talin head domain with integrin to suppress the integrin–Cdc42 polarity pathway [60] These studies are intriguing and suggest ... complex and the formin Dia1, are not present in blebs of filamin-deficient blebbing cells [4] However, the presence of regulators of actin nucleation, RhoA and RhoGEFs, at the bleb membrane and the...
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Báo cáo khoa học: Death-associated protein kinase (DAPK) and signal transduction: fine-tuning of autophagy in Caenorhabditis elegans homeostasis doc
... Autophagy and signaling: their role in cell survival and cell death Cell Death Differ 12(Suppl 2), 1509–1518 Meijer AJ & Codogno P (2006) Signalling and autophagy regulation in health, aging and disease ... calcineurin and DAPK signaling pathways and the systemic regulation of autophagy (Fig 3) FoxO3 FoxOs are evolutionally conserved and well-known downstream targets of the insulin signaling pathway ... starvation-hypersensitive mutants, and that MGL-1 and MGL-2, C elegans homologs of metabotropic glutamate receptors, were involved MGL-1 and MGL-2 act in AIY and AIB neurons, respectively [67,68]...
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Báo cáo khoa học: Death-associated protein kinase (DAPK) and signal transduction: regulation in cancer ppt
... (DAPK) and signal transduction: blebbing in programmed cell death FEBS J 276, doi:10.1111/j.1742-4658.2009.07412.x Kang C & Avery L (2009) Death-associated protein kinase (DAPK) and signal transduction: ... signalling pathway and that DAPK levels are critical for modulating cell fate decisions that lead to survival or death, highlighting the capacity of DAPK to integrate signals from apoptotic and ... (BMS-354825) tyrosine kinase inhibitor suppresses invasion and induces cell cycle arrest and apoptosis of head and neck squamous cell carcinoma and non-small cell lung cancer cells Clin Cancer Res...
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Báo cáo khoa học: Molecular and genetic characterization of osmosensing and signal transduction in the nematode Caenorhabditis elegans docx
... accumulation and WNK and Ste20 kinase signaling C elegans will undoubtedly continue to provide new understanding of how animals detect and protect themselves from osmotic stress Given the fundamental and ... studies of osmosensing and associated signal transduction mechanisms Little is known about the molecular bases of these processes in animals The forward and reverse genetic and molecular tractability ... about the molecular mechanisms of osmotic stress resistance, osmosensing and signal transduction in C elegans Osmosensing and signaling in C elegans Osmoregulatory organs in C elegans C elegans has...
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Báo cáo khoa học: M1 – Peptidomimetics and Signal Transduction Inhibition potx
... target and their conversion into novel drug candidates for Mycobacterium tuberculosis infected patients M R M Fontes1, A A S Takeda1, T Teh2, R F Standaert3 and B Kobe2 Department Physics and Biophysics, ... affects SP signal transmission due to their co-existence relation To understand the time course and spatial distribution of SP with its receptor and the mutual actions in lung between SP and CGRP, ... is located near the N-terminus and involves the imidazole sidechain nitrogens of histidines 6, 13 and 14, along with an undefined fourth ligand These histidine ligands have also been found to be...
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báo cáo hóa học:" RAGE (Receptor for Advanced Glycation Endproducts), RAGE Ligands, and their role in Cancer and Inflammation" pptx
... flRAGE and other receptors by binding DAMPs and other ligands and inhibiting leukocyte recruitment in a variety of acute and chronic inflammatory conditions [4] Both esRAGE and sRAGE act as decoy receptors ... and signal 2, various forms of stress, in conjunction with RAGE and RAGE ligands helps mediate this effect RAGE Ligands RAGE ligands fall into several distinct families They include the High Mobility ... activity but acts together with other molecules such as IL-1, TLR2 ligands, LPS/TLR4 ligands, and DNA HMGB1 signaling through TLR2 and TLR4 also results in expression of NFκB This promotes inflammation...
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báo cáo hóa học:" Functional significance of the signal transduction pathways Akt and Erk in ovarian follicles: in vitro and in vivo studies in cattle and sheep" ppt
... gonadotrophins and IGF with the Akt and Erk signalling pathways in theca and granulosa cells in vitro and to describe their functional significance for ovarian follicle growth in vivo Materials and methods ... of bands after background subtraction and are relative to white (value 0) and black (value 256) The blots each show a single band for Akt and p-Akt at about 60 kDa and each show a double band ... bovine model Increases in Akt and Erk signalling proteins in response to FSH and IGF stimulation suggest a role for Akt and Erk signal transduction pathways in FSH and IGF mediated granulosa cell...
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