Cargando…

Fragile X syndrome : from genetics to targeted treatment /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Willemsen, Rob (Editor ), Kooy, R. Frank (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: London : Academic Press, [2017]
�2017
Temas:
Acceso en línea:Texto completo

MARC

LEADER 00000cam a2200000Ia 4500
001 SCIDIR_ocn988378489
003 OCoLC
005 20231120112236.0
006 m o d
007 cr |n|||||||||
008 170530s2017 enk ob 001 0 eng d
040 |a YDX  |b eng  |e pn  |c YDX  |d N$T  |d IDEBK  |d EBLCP  |d N$T  |d OPELS  |d OCLCF  |d MERER  |d OCLCQ  |d OTZ  |d COD  |d OCLCQ  |d D6H  |d DKU  |d UAB  |d OCLCQ  |d U3W  |d TSC  |d AU@  |d OCLCQ  |d S2H  |d OCLCO  |d OCLCQ  |d SFB  |d OCLCQ  |d OCLCO 
019 |a 988556015 
020 |a 9780128045077  |q (electronic bk.) 
020 |a 0128045078  |q (electronic bk.) 
020 |z 9780128044612 
020 |z 0128044616 
035 |a (OCoLC)988378489  |z (OCoLC)988556015 
050 4 |a RJ506.F73 
072 7 |a MED  |x 069000  |2 bisacsh 
072 7 |a HEA  |x 046000  |2 bisacsh 
082 0 4 |a 616.85/884  |2 23 
245 0 0 |a Fragile X syndrome :  |b from genetics to targeted treatment /  |c edited by Rob Willemsen, R. Frank Kooy. 
260 |a London :  |b Academic Press,  |c [2017] 
264 4 |c �2017 
300 |a 1 online resource 
336 |a text  |b txt  |2 rdacontent 
337 |a computer  |b c  |2 rdamedia 
338 |a online resource  |b cr  |2 rdacarrier 
504 |a Includes bibliographical references and index. 
588 0 |a Online resource, title from PDF title page (EBSCO, viewed June 7, 2017). 
505 0 |a Section I -- Clinics, Diagnosis, Epidemiology, Molecular Mechanisms, and Models -- Chapter 1 -- The Clinical Phenotype of the Fragile X Syndrome and Related Disorders -- Introduction -- The fragile X syndrome -- Background -- Physical Manifestations -- Epilepsy -- Cognition -- The Behavioral Phenotype -- Treatment -- Fragile X tremor ataxia syndrome -- The fragile X premature ovarian insufficiency -- Acknowledgments -- References -- Chapter 2 -- Fragile X Syndrome Genetics -- Setting the stage -- Genetic Oddities -- Positional cloning of FRAXA and FMR1 -- FMR1 Structure and Function -- FMRP and mRNA metabolism -- Resolving the Sherman paradox -- Premutation disorders -- Origins of FXS -- Conclusions and perspectives -- References -- Chapter 3 -- Molecular Diagnostics and Genetic Counseling in Fragile X Syndrome and FMR1-Associated Disorders -- Fragile X syndrome -- The diagnosis of fragile X syndrome -- Genetic counseling in FMR1-associated disorders -- Normal Range -- Intermediate Alleles or Gray Zone -- Premutation Alleles -- Full Mutation Alleles -- References -- Chapter 4 -- Epidemiology of Fragile X Syndrome -- Introduction -- Prevalence of FXS -- Prevalence of FXS among subpopulations -- Factors related to variation in clinical presentation affect the ability to estimate prevalence -- Deletions and point mutations leading to FXS -- Conclusions -- References -- Chapter 5 -- Mechanisms of Repeat Instability in Fragile X Syndrome -- Introduction -- Factors That Affect Expansion Risk -- Parallels to Other Related Disorders -- Model Systems to Study Repeat Instability -- Potential mechanisms for repeat expansion -- Instability May be Initiated by Secondary Structures Formed by the Repeats. 
505 8 |a The Effect of These Secondary Structures May be Mediated via Mismatch Repair Proteins -- S-Phase Dependent Models for Repeat Expansion -- S-Phase Independent Expansion Models -- Potential mechanisms for contraction and error-free repair -- Do chromosome fragility and repeat expansion share a common mechanism? -- Concluding remarks and future directions -- Acknowledgments -- Glossary of terms -- References -- Further Reading -- Chapter 6 -- Modeling Fragile X Syndrome Using Human Pluripotent Stem Cells -- Human-based models for FXS -- Modeling FXS in human pluripotent stem cells -- Human ESCs as a developmental model for FXS -- iPSCs in modeling fragile X syndrome -- Neural differentiation of FXS-PSCs -- PSC modeling of CGG repeat instability -- The use of FXS-PSCs for targeted drug discovery -- Conclusions -- References -- Chapter 7 -- Animal Models of Fragile X Syndrome -- Introduction -- Rodent models of fragile X syndrome -- Mouse models of fragile X syndrome -- The phenotypic spectrum of the knockout mouse -- Neuroanatomical Phenotype in Fmr1 Knockout Mouse -- Long-Term Potentiation and Long-Term Depression -- Behavioral Phenotype in Fmr1 Knockout Mouse -- Seizures and Hypersensitivity -- Cognitive Functioning -- Attention and Hyperactivity -- Social and Emotional Functioning -- Anxiety -- Rat models of fragile X syndrome -- Zebra fish models of fragile X syndrome -- Drosophila Models of Fragile X Syndrome -- FMRP Protein is Well-Conserved Between Drosophila and Mammals -- FXS Fly Model Displays the Defects in Behavior, Synaptogenesis and Spermatogenesis -- Behavioral Defects -- Synaptogenesis Defects -- Spermatogenesis Abnormality -- Utilities of Fly Model Toward Understanding the Molecular Basis of FXS -- Concluding remarks -- References -- Section II -- Pathways involved -- Chapter 8 -- RNA and Protein Targets of FMRP -- Introduction. 
505 8 |a Approaches to defining the RNAs/proteins associated with FMRP -- Molecular Approaches -- Cell Biology and Proteomic Approaches -- Computational Approaches -- FMRP-binding determinants -- Structural RNA Motifs Targeted by FMRP -- Sequence Motifs Targeted by FMRP -- Non-RNA FMRP Interactions -- Conclusions -- References -- Chapter 9 -- The mGluR Theory of Fragile X: From Mice to Men -- Introduction -- FMRP negatively regulates translation -- Animal models of FXS -- Dysregulation of synaptic protein synthesis in the Fmr1 KO mouse -- The mGluR theory of FXS -- Correcting FXS: targeting mGlu5 -- Correcting FXS: targeting translation control -- Targeting ERK -- Targeting mTOR -- Targeting p70 S6K -- Targeting GSK3[alpha]/[beta] -- Correcting FXS: other targets -- From mice to men: clinical trials for FXS -- Failure in the clinic and what we can learn -- New directions -- Beta Arrestins: a Scaffold for Ras-ERK and Modulator of Signaling -- GSK3[alpha] and GSK[beta] -- Novel Targets From the FXS Translatome -- Concluding remarks -- References -- Further Reading -- Chapter 10 -- The GABAergic System Contributions to the Fragile X Syndrome Phenotype -- Introduction -- Inhibitory interneuron dysfunction in FXS -- Synaptic components at GABAergic synapses are dysregulated in FXS -- Targeting deficiencies of the GABAergic system in FXS as viable treatment options -- Preventing depolarizing GABAergic potentials in developing circuits -- Conclusions -- Acknowledgment -- References -- Further reading -- Chapter 11 -- Intracellular Signaling Networks in Fragile X Syndrome: Approaches to Drug Discovery and Therapeutics -- Introduction -- Dysregulated PI3K signaling in FXS -- PI3K Downstream Signaling is Defective in FXS Mouse Models -- FMRP Regulates PI3K Activity by Controlling mRNA Translation and Protein Expression of PI3K Catalytic and Regulatory Subunits. 
505 8 |a Enhanced PI3K Activity in Peripheral Blood Cells and Tissue From Individuals with FXS -- Dysregulated ERK1/2 signaling in FXS -- Impaired Stimulus-Induced ERK1/2 Activation: A First Potential Biomarker in FXS -- Does Defective ERK1/2 Signaling Contribute to the FXS Phenotype? -- Aberrant ERK1/2 Activation as Potential Biomarker in Clinical Trials -- Targeting the signaling hub Ras to correct altered signaling in FXS -- TSC-mTORC1-S6K1-4EBP nexus: a major mRNA translation control node in FXS -- TSC 1-2 complex is a vital, but understudied signaling node for FXS -- mTOR is a well-studied candidate in FXS, but may not be suited for direct therapeutic intervention -- S6K1: a signal integrator and translational regulator with therapeutic potential in FXS -- S6K1 Shows Subtly Different Effects in Genetic Deletion and Pharmacological Inhibition Studies -- Modulation eIF4E via Mnk1 offers an alternative to managing FXS phenotypes -- Challenges and Future Outlook -- Acknowledgments -- References -- Further Reading -- Chapter 12 -- The Endocannabinoid System in Fragile X Syndrome -- Introduction -- The Endocannabinoid System -- Molecular alterations in FXS -- Inhibitory neurotransmission -- Hippocampal DSI -- Modulation of mGluR5-Coupled Function by Homer -- Endocannabinoid Modulation of Striatal Neurotransmission -- Excitatory neurotransmission -- Endocannabinoid-Mediated Long-Term Depression (eCB-LTD) -- Findings in Other Nonsyndromic Models -- Neuroligin 3 -- Endocannabinoid system interventions -- Conclusions/Perspectives -- Acknowledgments -- References -- Chapter 13 -- Glycogen Synthase Kinase-3: Abnormalities and Therapeutic Potential in Fragile X Syndrome -- Introduction -- Fragile X syndrome: etiology and animal models -- Glycogen synthase kinase-3 -- Morphological and biochemical effects of GSK3 inhibition in Fmr1 knockout mice. 
505 8 |a Behavioral abnormalities in Fmr1 knockout mice improved by GSK3 inhibitor treatments -- Cognitive impairments in Fmr1 knockout mice rescued by administration of GSK3 inhibitors -- Electrophysiological abnormalities in Fmr1 knockout mice improved by GSK3 inhibitors -- Clinical trials -- Summary -- Acknowledgments -- References -- Chapter 14 -- Defects in Rho GTPase Signaling to the Spine Actin Cytoskeleton in FMR1 Knockout Mice -- Introduction -- Fragile X and Disturbances in Spine Morphology -- Fmr1 KO Mice Exhibit Hippocampal Synaptic Plasticity Defects -- Changes in the spine actin cytoskeleton support synaptic plasticity -- Fmr1 KO defects in Rho GPTase signaling pathwayproteins -- Cofilin (ADF/Cofilin Family) -- PAK (p21 Activated Kinase) -- Cortactin (Cortical Actin Binding Protein) -- ERK1/2 (Extracellular Signal-Regulated Kinase) -- Conclusions and future directions -- Acknowledgments -- References -- Chapter 15 -- Matrix Metalloproteinases in Fragile X Syndrome -- Introduction -- FMR1-deficiency and dendritic spine morphology -- Extracellular matrix -- Metalloproteinases -- MMP-9 in FXS -- Conclusions -- Abbreviations -- References -- Further Readings -- Chapter 16 -- Ion Channel Dysfunction and FXS -- Introduction -- Voltage-dependent potassium channels -- FMRP Regulates Kv3.1 Voltage-Dependent Channels That are Required for High Frequency Firing -- Kv1 Family Channels -- Kv4.2 Channels -- BKCa Channels -- FMRP Directly Binds Slack KNa1.1 Channels -- Nonselective cation channels -- HCN Channels -- Calcium channels -- L-Type Ca2+ Channels -- N-Type Ca2+ Channels -- Conclusions -- References -- Chapter 17 -- Reactivation of the FMR1 Gene -- Introduction -- Epigenetic status of premutated alleles -- Epigenetic silencing of FMR1 full mutation -- Rare individuals with unmethylated full mutation -- Treatment options for FXS. 
650 0 |a Fragile X syndrome  |x Treatment. 
650 0 |a Fragile X syndrome  |x Genetic aspects. 
650 6 |a Syndrome de l'X fragile  |0 (CaQQLa)201-0143348  |x Traitement.  |0 (CaQQLa)201-0377521 
650 6 |a Syndrome de l'X fragile  |x Aspect g�en�etique.  |0 (CaQQLa)201-0361170 
650 7 |a MEDICAL  |x Pediatrics.  |2 bisacsh 
650 7 |a HEALTH & FITNESS  |x Children's Health.  |2 bisacsh 
650 7 |a Fragile X syndrome  |2 fast  |0 (OCoLC)fst00933571 
700 1 |a Willemsen, Rob,  |e editor. 
700 1 |a Kooy, R. Frank,  |e editor. 
776 0 8 |i Print version:  |z 9780128044612  |z 0128044616  |w (OCoLC)960845349 
856 4 0 |u https://sciencedirect.uam.elogim.com/science/book/9780128044612  |z Texto completo