TY - ADVS AU - Weksberg,Rosanna TI - Imprinting disorders associated with molecular changes on chromosome 11p15 T2 - Molecular genetics of human disease, PY - 2014/// CY - London PB - Henry Stewart Talks KW - Epigenetics KW - Genetic disorders KW - Genomic imprinting KW - Medical genetics KW - Molecular genetics KW - Beckwith-Wiedemann Syndrome KW - Chromosomes, Human, Pair 11 KW - genetics KW - Epigenesis, Genetic KW - Genomic Imprinting KW - Molecular Diagnostic Techniques KW - Mosaicism KW - Silver-Russell Syndrome N1 - Animated audio-visual presentation with synchronized narration; Title from title frames; Contents: What is epigenetics? -- Epigenetic regulation forms the molecular basis for genomic imprinting -- What is genomic imprinting -- Imprinted genes in early development -- Genomic organization of imprinted genes -- Imprinting center -- Imprinted domain 1 on chromosome 11p15.5 -- Complexity of imprinted clusters -- Beckwith-Wiedemann syndrome (BWS) -- BWS: a complex, clinically heterogeneous disorder -- Molecular basis of BWS -- Etiology of the Beckwith-Wiedemann syndrome -- Molecular alterations associated with BWS -- Frequency of molecular alterations in BWS -- The risks to subfertile/ART treated parents -- Subfertility/assisted reproductive technologies (ART) -- BWS molecular defects -- Multiple phenotypes associated with somatic mosaicism for 11p15 UPD -- Somatic mosaicism -- Isolated hemihyperplasia -- High level constitutional UPD -- BWS molecular testing strategies -- Laboratory testing for BWS -- MS-MLPA -- Expected methylation results from MS-MLPA -- MLPA molecular testing for BWS -- Cancer risk & surveillance -- Prenatal testing options -- Current challenges in BWS molecular testing -- Frequency of CNVs according to methylation pattern -- Monozygotic twins and BWS -- Isolated hemihyperplasia -- Current challenges in chromosome 11p15 molecular testing -- Russell-Silver syndrome (RSS -- Chromosomal regions associated with RSS -- Targeted assays of multiple imprinted loci-BWS -- Different combinations of epigenetic alterations associated with variations in clinical phenotype -- Imprint deregulation causing disease in humans; Access restricted to subscribers UR - https://hstalks.com/bs/2901/ UR - https://hstalks.com/bs/p/810/ ER -