... Trang 1Poster Session V Affinity and Efficacy Models of G-Protein Coupled Receptors Trang 2APPLICATION OF PARM TO CONSTRUCTING AND COMPARING S'HT~A AND Maria Santagda), Hongming Chen (b5# ), Andrea ... site These atoms interact with the ligands and the interaction energy between each ligandand the receptor model is computed By using a genetic algorithm and a cross-validation technique, a number ... design and construction of potent antagonists to each of the two receptors is a major avenue that could lead to control of such conditions C5aR and C3aR belongs to the superfamily of G Protein-Coupled
Ngày tải lên: 17/08/2018, 16:58
... Ontology; FDA: United States Food and Drug Administration; GALR2: Galanin receptor type 2; GCG: Glucagon; GLP-1: Glucagon-like peptide 1; GLP-2: Glucagon-like peptide 2; GPCR: G-protein-coupled ... successful target class of proteins in drug discovery, G-protein coupled receptors (GPCRs), along with their endogenous ligands Specifically, we use a list of GPCRs and endogenous peptidergic ligands ... peptides (e.g the GCG gene encodes glucagon, GLP-1, and GLP-2) 119 of the GPCRs and 127 of the endogenous ligands are known to interact according to IUPHAR [19] forming 681 unique receptor-ligand pairs
Ngày tải lên: 25/11/2020, 14:40
Detection of side chain rearrangements mediating the motions of transmembrane helices in molecular dynamics simulations of g protein coupled receptors
... designed to reduce the large MD simulation spatiotemporal datasets into a manageable set in order to guide our understanding of how protein mechanics emerge from side chain organization and dynamic ... side chain rearrangements and global domain motions This computational framework is suitable for the study of tightly packed proteins, such as G protein-coupled receptors, and we present an application ... (8) and captured protein state transitions (9, 10) To extract biologically-relevant protein motions, long MD simulations have been analyzed through manual and visual inspection of large biological
Ngày tải lên: 24/11/2022, 17:39
hyodeoxycholic acid derivatives as liver x receptor and g protein coupled bile acid receptor agonists
... LXRα and GPBAR1 target genes by RT-PCR The HepG2 and Glutag cells (1 × 106) were plated and, after 24 hours of starvation, were stimulated with receptor agonists GW3965, TLCA and HDCA (10 μ M) and ... Additional water-mediated interactions are engaged by both the ligand hydroxyl groups with the side chains of Arg232, Glu267 and Glu301 On the other hand, the ligand hydrophobic side chain inserts into ... the original ligand/protein interactions, such as the H-bond between 14 and His421, are lost and the ligand rmsd value increases during the simulation showing instability of this binding mode
Ngày tải lên: 04/12/2022, 10:38
G-protein coupled receptor 64 (GPR64) acts as a tumor suppressor in endometrial cancer
... treatment group for normalization The sequences of the primers used for GPR64 were 5′-CTGCAGGATCCCATTGTCTG-3′ and 5′-TGAAAGGGGTTGAATCTCCC-3′, for Cx43 were 5′-ATGAGCAGTCTGCCTTTCGT-3′ and 5′-TCTGCT ... Ewing sarcoma; ESR1: Estrogen receptor α; GPCR: G protein-coupled receptors; GPR64: G-protein coupled receptor 64; MMP: Metalloproteinase; PBS: Phosphate-buffered saline; PGF: Placental growth ... Cx43 were 5′-ATGAGCAGTCTGCCTTTCGT-3′ and 5′-TCTGCT TCAAGTGCATGTCC-3′, and for RPL7 were 5′-AAGA AGCGAATTGCTTTGAC-3′ and 5′-CAAATCCTCCAT GCAGATGA-3′ Western blot analysis Western blot analyses were
Ngày tải lên: 17/06/2020, 17:19
Estrogen-mediated inactivation of FOXO3a by the G protein-coupled estrogen receptor GPER
... targeting either GPER or ERα and FOXO3-GFP, and FOXO3-GFP translocation in re-sponse to estrogen and G-1 was assessed Knockdown of GPER significantly reduced the ability of both estrogen and G-1 ... control Trang 6inactivation of FOXO3-GFP Importantly, knockdownof GPER did not affect the ability of EGF to initiate FOXO3-GFP translocation, suggesting GPER-mediated signaling is upstream of EGFR-mediated ... inhibited FOXO3-GFP translocation by EGF, estrogen and G-1, suggesting that p110α activity is involved in FOXO3 phosphorylation and inactivation Surprisingly, TGX-221 enhanced FOXO3-GFP translocation,
Ngày tải lên: 22/09/2020, 23:43
Enhanced expression of G-protein coupled estrogen receptor (GPER/GPR30) in lung cancer
... expression of G-protein coupled estrogen receptor (GPER/GPR30) in lung cancer Venkatakrishna Rao Jala1*, Brandie N Radde2, Bodduluri Haribabu1 and Carolyn M Klinge2 Abstract Background: G-protein-coupled ... and large cell carcinoma (Figures and 5) The overall results suggest that the GPER is overexpressed in lung cancer tissues compared to normal/adjacent lung tissues c) Scoring of GPER staining: ... function and regulation of GPER will be necessary to determine if GPER is a marker of lung cancer progression Keywords: GPER, GPR30, Estrogen, Estrogen receptor, Lung cancer, Protein expression,
Ngày tải lên: 05/11/2020, 08:13
Xây dựng mô hình thụ thể g protein coupled receptor bằng phướng pháp mô phỏng
... web server modeling and docking ligand GOMoDo in order to build the complexes of GPCR/ligand In addition, the prelimary results of homology modelling MOR174-9 and docking Eugenol are discussed ... 3D CG Docking GPCRs MM MM/CG Residue Target Templates hú giải Không gian ba chiều Coarse-grained, mơ hình đơn giản hóa c ch nhóm c c nguyên tử lại với hương ph p tìm kiếm vị trí tương ứng phân ... hị gọc Dung Ứ DỤ S uỳnh uang Linh i LỜI CẢM ƠN Xin gửi lời cảm ơn chân thành đến đấng sinh thành gia đình Xin gửi lời tri ân sâu sắc đến S S oàng Dũng, S lejandro iorgetti, S aolo arloni, S guyễn
Ngày tải lên: 31/01/2021, 23:09
g protein coupled receptor controls steroid hormone signaling in cell membrane
... & Gutkind, J S G-protein-coupled receptors and signaling networks: emerging paradigms Trends Pharmacol Sci 22, 368–376 (2001). 15 Venkatakrishnan, A J et al Molecular signatures of G-protein-coupled ... Endocytosis of G protein-coupled receptors: roles of G protein-protein-coupled receptor kinases and -arrestin proteins Prog Neurobiol 66, 61–79 (2002). 28 Lo¨sel, R & Wehling, M Nongenomic actions ... calcium increase4 G-protein-coupled receptors (GPCRs) are proposed as membrane receptors of animal steroid hormones For example, GPCR 30 (GPR30/GPER) in the cell membrane binds estrogen and mediates
Ngày tải lên: 02/11/2022, 10:46
gpr176 is a gz linked orphan g protein coupled receptor that sets the pace of circadian behaviour
... (Gpr37l1, Lphn1, Gpr37, Gprc5b, Gpr85, Darc, Gpr176, Lphn3, Lphn2, Gpr48, Gpr56, Gpr19, Gpr123, Gpr83, Ackr3, Gpr125, Gpr22, Gpr153, Gpr45, Gpr68, Gpr6, Cckar and Gpr75) and three selected GPCRs whose ... Gpr88 Gpr25 Vipr2 Mchr1 Mrgpre Cckar Htr5a Pth1r P2ry13 Ntsr2 Gpr37l1 Lphn1 Oprl1 Gpr37 Gprc5b Gpr85 Darc Gpr176 Lphn3 Lphn2 Calcr Gpr48 Gpr56 Gpr19 Gpr123 Gpr83 Ackr3 Gpr125 Gpr22 Gpr153 Gpr45 Gpr68 ... Expressions of the genes encoding Gz (Gnaz), Gi1 (Gnai1), Gi2 (Gnai2) and Gi3 (Gnai3) in TREx293 (red) and NIH3T3 (blue) (c) Interference of Gpr176-mediated cAMP repression by knocking down Gz protein with
Ngày tải lên: 04/12/2022, 10:31
obesity induced cardiac lipid accumulation in adult mice is modulated by g protein coupled receptor kinase 2 levels
... uncoupling of the mitochondria and increases oxidative stress [15] G protein-coupled receptor kinase 2 (GRK2) is a ser-ine/threonine kinase originally discovered to regulate G protein-coupled ... [19] Given the emerging role of GRK2 as a regulatory hub in heart metabolism and physiology, we have explored the role of GRK2 dosage in the development of obesity-induced cardiac remodeling and ... adipocytes to fasting and to β agonists after GRK2 downregulation has been described [21, 25] Overall, our results suggest that GRK2 downregulation maintains cardiac lipid storage at bay and prevents
Ngày tải lên: 04/12/2022, 16:01
Luận văn thạc sĩ Vật lý kỹ thuật: Xây dựng mô hình thụ thể G-Protein-Coupled Receptor bằng phướng pháp mô phỏng
... modeling and docking ligand GOMoDo in order to build the complexes of GPCR/ligand In addition, the prelimary results of homology modelling MOR174-9 and docking Eugenol are discussed in details Trang ... quan c protein màng tế bào đóng vai trò là cấu nối giữa môi trường nội bào và ngoại bào ột trong những họ protein màng lớn nhất và đa dạng nhất là họ thụ thể bắt cặp với protein ( -Protein-Coupled ... rất quan trọng vì việc docking này đang thực hiện trên c c mô hình tương đồng không bình thường mà hầu hết gặp phải ở c c mô hình tương đồng của Rs O oDo cung cấp cho người dùng giao diện của
Ngày tải lên: 25/09/2024, 00:34
Báo cáo khoa học: The enzymatic activity of SR protein kinases 1 and 1a is negatively affected by interaction with scaffold attachment factors B1 and 2 pot
... 37.5 GST–NtLBR GST–NtLBR GST–SAFB1C ΔRE FLAG–SRPK1a GST–NtLBR GST–SAFB2C FLAG–SRPK1a GST–P2P-R GST–SAFB2C FLAG–SRPK1a GST–P2P-R GST–SAFB2C (µg) FLAG–SRPK1a R 0 GST–SAFB2C (µg) FLAG–SRPK1a R 0 GST–SAFB2C ... 1 2 116- GST–SRPK1 GST–NtLBR GST–SAFB1C GST–SRPK1 GST–NtLBR GST–SAFB1C ΔRE GST–SRPK1 GST–NtLBR GST–SAFB2C GST–SAFB1C ΔRE (µg) GST–SRPK1 GST–NtLBR GST–SAFB1C (µg) GST–SRPK1 GST–NtLBR GST–SRPK1 ... GST–SAFB1C (µg) FLAG–SRPK1 GST–NtLBR GST–SAFB2C (µg) FLAG–SRPK1 GST–NtLBR FLAG–SRPK1 GST–NtLBR GST–SAFB2C Fig 3 Effect of GST–SAFB1C, GST–SAFB1CDRE and GST–SAFB2C on FLAG–SRPK1 activity (A) FLAG–SRPK1
Ngày tải lên: 30/03/2014, 01:20
g protein signaling, methods and protocols
... based on theiramino-acid sequence homology and function: Gsfamily (Gsα and Golfα; acti-vate adenylyl cyclase); Gi family (Gi1α, Gi2α, Gi3α, Goα, Gtα, Gzα, and Ggα;substrate for pertussis toxin-catalyzed ... N-myristoylated Gα are 60, 8, 4, and 15 mg for Giα1, G iα2,Giα3, and Goα, respectively, from a 10-L preparation (14) Yields reported for unmodified Gα subunits are 400, 40, 65, and 35 mg for Giα1, Giα2, Goα, ... GTPase-activating proteins, such as regulator of G protein signaling (RGS) proteins GDP-bound Gα ates with βγ subunit to form an inactive heterotrimer to complete the G pro-tein cycle Trang 21reassoci-Gα
Ngày tải lên: 10/04/2014, 22:24
báo cáo hóa học:" Proteomic characterization of HIV-modulated membrane receptors, kinases and signaling proteins involved in novel angiogenic pathways" ppt
... binding proteins (GRB2, CRKL and NELL1), protease/ peptidase (ATS9 and C3/CO3), regulatory enzyme (NS2A), integral membrane proteins (TNR9 and GLG1), calcium-binding protein (ANX-A6) and coagulation ... angiogenic pathways but also influence cell migration and morphogenesis (p = 8 × 10-12), (Figures 6, 7) Suppression of VEGF and its Cognate Receptor Tyrosine Kinase The VEGF ligand and its cognate ... including integrin and other celladhesion proteins [82] In addition, the binding of Tat toVEGFR is not as strong as the natural ligand (VEGF) and the angioproliferative processes are triggered
Ngày tải lên: 18/06/2014, 15:20
Báo cáo y học: " Signaling and regulation of G protein-coupled receptors in airway smooth muscle" ppsx
... concentration than GDP This exchange of the G- protein- bound GDP for GTP induces a conformational change in the switch region of G and causes the dissociation of G from the G γ dimer The G and G subunits ... [39,226–231] Gs Gq RLXN, Cyt, GI CXN CLT1R ET-A/B EDG 1–7 EP2 H1 histamine IP Prostacyclin [232–236] [237–242] [38,243–245] [20,246,247] [248,249] [41,250] Gq Gq Gq, Gi, G1 2/13 Gs Gq Gs CXN, GP CXN, GP GS, ... novel mitogenic signaling events and define cooperativity between GPCRs and receptor tyrosine kinases in mediating ASM growth G1 2/13 coupled receptors Signaling via activation of the G1 2/13 family...
Ngày tải lên: 13/08/2014, 13:20
Báo cáo khoa học: Methods to monitor the quaternary structure of G protein-coupled receptors doc
... (2002) G- proteincoupled receptor oligomerization and its potential for drug discovery Nature Rev Drug Discovery 1, 808–820 12 Milligan G (2004) G protein- coupled receptor dimerization: function and ... signal was obtained with increasing energy acceptor ⁄ energy donor ratios Saturation curves so generated resemble ligand ⁄ GPCR binding curves and, as such, the ratio of energy acceptor ⁄ energy ... (2000) Oligomerization of l- and d-opioid receptors J Biol Chem 275, 26128–26135 57 Devi LA (2001) Heterodimerization of G- protein- coupled receptors: pharmacology, signaling and trafficking Trends...
Ngày tải lên: 16/03/2014, 22:20
báo cáo khoa học: " Nucleoside conjugates of quantum dots for characterization of G protein-coupled receptors: strategies for immobilizing A2A adenosine receptor agonists" pdf
... native ligand is a small molecule Previously, peptide ligands and small neurotransmitter-like molecules were coupled to QDs resulting in specific interactions with the target receptors and drug transporters ... using covalently tethered nucleoside agonist ligands Various approaches to the linking chemistry and the nature of the spacer group and solubilizing groups were compared The QD nucleoside conjugates ... affinity depended greatly on the type of coating and covalent linkage to the QD Conjugates tethered as monovalent attachments through amide-linked chains and PEG dis- Figure General design features...
Ngày tải lên: 11/08/2014, 00:22
Báo cáo khoa học: G protein-coupled receptor-induced Akt activity in cellular proliferation and apoptosis pptx
... either through matrix metalloproteinases (Gi ⁄ o-, Gq-, and Gs -coupled receptors) or through Rho ⁄ Rho-associated kinase (Rock)-mediated expression of RTK ligands (G1 2 ⁄ 13 -coupled receptors) ... activation G1 2 ⁄ 13-, Gi ⁄ o-, Gq-, and Gs -coupled receptors are all known to activate the phosphoinositide 3-kinase (PI3K) ⁄ Akt pathway through either Ga or Gbc subunits Gaq and Gas subunits ... depression and pain [18] GPCRs preferentially couple to heterotrimeric G proteins (consisting of a, b and c subunits) that are grouped into four classes, known as Gaq ⁄ 11, Gai ⁄ o, Gas and Ga12 ⁄...
Ngày tải lên: 16/03/2014, 05:20
Báo cáo khoa học: G protein-coupled receptor 30 down-regulates cofactor expression and interferes with the transcriptional activity of glucocorticoid pdf
... following primers were used for cloning at the pLEGFP-N1 vector: GPR30-forward 5¢-TAATAAGTCGACGGGTC TCTTCCT-3¢ and GPR30-reverse 5¢-ATTATTGGATC CTACACGGCACTGC-3¢ Viruses capable of introducing pLEGFP-N1, ... 5¢-ATCTCCAAGGCAA GATCA-3¢ and reverse primer 5¢-GTGCCATCAGA CAAGGAA-3¢ were used Primer pair resulted in a PCR product of 216 bp Additionally, forward primer 5¢-GAGCCCCAAGAAGAAAGA-3¢ and reverse ... or anti-b-actin (Sigma) Peroxidase-conjugated goat anti-rabbit IgG (Cappel, West Chester, PA, USA) for GR and peroxidase-conjugated goat anti-mouse IgG (Cappel) for PR, ER and b-actin were used...
Ngày tải lên: 16/03/2014, 18:20