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https://www.readbyqxmd.com/read/29409755/chemical-and-genetic-rescue-of-an-ep300-knockdown-model-for-rubinstein-taybi-syndrome-in-zebrafish
#1
Aswini Babu, Mageshi Kamaraj, Moumita Basu, Debanjan Mukherjee, Shruti Kapoor, Shashi Ranjan, Mahadeva M Swamy, Stephanie Kaypee, Vinod Scaria, Tapas K Kundu, Chetana Sachidanandan
EP300 is a member of the EP300/CBP family of lysine acetyltransferases (KATs) with multiple roles in development and physiology. Loss of EP300/CBP activity in humans causes a very rare congenital disorder called Rubinstein Taybi Syndrome (RSTS). The zebrafish genome has two co-orthologs of lysine acetyltransferase EP300 (KAT3B) in zebrafish viz. ep300a and ep300b. Chemical inhibition of Ep300 with C646, a competitive inhibitor and morpholino-based genetic knockdown of ep300a and ep300b cause defects in embryonic development reminiscent of the human RSTS syndrome...
January 30, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29383823/perthes-disease-a-new-finding-in-floating-harbor-syndrome
#2
Donatella Milani, Giulietta Scuvera, Marta Gatti, Gianluca Tolva, Francesca Bonarrigo, Susanna Esposito, Cristina Gervasini
Floating-Harbor Syndrome (FHS; OMIM #136140) is an ultra-rare autosomal dominant genetic condition characterized by expressive language delay, short stature with delayed bone mineralization, a triangular face with a prominent nose, and deep-set eyes, and hand anomalies. First reported in 1973, FHS is associated with mutations in the SRCAP gene, which encodes SNF2-related CREBBP activator protein. Mutations in the CREBBP gene cause Rubinstein-Taybi Syndrome (RSTS; OMIM #180849, #613684), another rare disease characterized by broad thumbs and halluces, facial dysmorphisms, short stature, and intellectual disability, which has a phenotypic overlap with FHS...
January 31, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29359884/benign-and-malignant-tumors-in-rubinstein-taybi-syndrome
#3
Max V Boot, Martine J van Belzen, Lucy I Overbeek, Nathalie Hijmering, Matias Mendeville, Quinten Waisfisz, Pieter Wesseling, Raoul C Hennekam, Daphne de Jong
Rubinstein-Taybi syndrome (RSTS) is a multiple congenital anomalies syndrome associated with mutations in CREBBP (70%) and EP300 (5-10%). Previous reports have suggested an increased incidence of specific benign and possibly also malignant tumors. We identified all known individuals diagnosed with RSTS in the Netherlands until 2015 (n = 87) and studied the incidence and character of neoplastic tumors in relation to their CREBBP/EP300 alterations. The population-based Dutch RSTS data are compared to similar data of the Dutch general population and to an overview of case reports and series of all RSTS individuals with tumors reported in the literature to date...
January 23, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29351919/high-yield-of-pathogenic-germline-mutations-causative-or-likely-causative-of-the-cancer-phenotype-in-selected-children-with-cancer
#4
Illja Diets, Esmé Waanders, Marjolijn J L Ligtenberg, Diede van Bladel, Eveline J Kamping, Peter M Hoogerbrugge, Saskia Hopman, Maran J W Olderode-Berends, Erica H Gerkes, David Koolen, Carlo Marcelis, Gijs We Santen, Martine van Belzen, Dylan Mordaunt, Lesley McGregor, Elizabeth Thompson, Antonis Kattamis, Agata Pastorczak, Wojciech Mlynarski, Denisa Ilencikova, Anneke Vulto-van Silfhout, Thatjana Gardeitchik, E S J M de Bont, Jan Loeffen, Anja Wagner, Arjen R Mensenkamp, Roland P Kuiper, Nicoline Hoogerbrugge, Marjolijn Jongmans
PURPOSE: In many children with cancer and characteristics suggestive of a genetic predisposition syndrome, the genetic cause is still unknown. We studied the yield of pathogenic mutations by applying whole exome sequencing on a selected cohort of children with cancer. EXPERIMENTAL DESIGN: To identify mutations in known and novel cancer predisposing genes, we performed trio-based whole exome sequencing on germline DNA of 40 selected children and their parents. These children were diagnosed with cancer and had at least one of the following features: (1) intellectual disability and/or congenital anomalies, (2) multiple malignancies, (3) family history of cancer or (4) an adult type of cancer...
January 19, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29141312/-clinical-manifestation-and-gene-analyses-of-15-patients-with-intellectual-disability-or-developmental-delay-complicated-with-congenital-nystagmus
#5
Z J Gao, Q Jiang, Q Chen, K M Xu, Z Q Liu, X B Chen, X L Chen
Objective: To analyze the clinical and genetic features of 15 cases with intellectual disability or developmental delay (ID/DD) complicated with congenital nystagmus. Method: The clinical characteristics and the results of laboratory tests, images and genetics of 15 patients with ID/DD complicated with congenital nystagmus, confirmed by gene diagnosis in the Department of Neurology, Children's Hospital Affiliated to Capital Institute of Pediatrics from March 2015 to October 2016, were retrospectively analyzed...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29133209/genome-wide-sequencing-expands-the-phenotypic-spectrum-of-ep300-variants
#6
Gregory Costain, Peter Kannu, Sarah Bowdin
Many disease genes are defined by their role in causing specific clinically recognizable syndromes. Heterozygous loss of function of the gene EP300 is responsible for a minority of cases of Rubinstein-Taybi syndrome (RSTS). With the application of whole-exome sequencing and whole-genome sequencing, there is the potential to discover new genotype-phenotype correlations. The purpose of this case series is to describe three unrelated females without classic manifestations of RSTS who were unexpectedly found on genome-wide sequencing to have likely pathogenic variants in EP300...
November 10, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29132461/-clinical-features-of-rubinstein-taybi-syndrome-and-novel-mutation-in-the-crebbp-gene-an-analysis-of-one-case
#7
Yuan Li, Shan He, Hong-Ling Zhu
The patient was a girl aged 3 years and 8 months with normal body length and body weight at birth. The girl had feeding difficulty after birth. Her height, body weight, and head circumference were below the 3rd percentile. She had intellectual disability and an unusual facies manifesting as arched shaggy eyebrows, down-slanting palpebral fissures, and broad nasal bridge, but had no a beaked nose, broad thumbs, or big toes. These clinical manifestations were basically consistent with Rubinstein-Taybi syndrome (RSTS)...
November 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29042334/primary-diffuse-large-b-cell-lymphoma-in-a-patient-with-rubinstein-taybi-syndrome-case-report-and-review-of-literature
#8
Christopher Sy, James Henry, Bhavani Kura, Andrew Brenner, Ramesh Grandhi
BACKGROUND: Rubinstein-Taybi syndrome (RSTS) is a rare, congenital syndrome that is known to be associated with neoplasms of various organ systems. Evaluation and treatment of such patients is challenging given the cognitive delay and heterogeneity of pathological presentations that define this syndrome. CASE DESCRIPTION: Presented here is a case of a patient with RSTS, diagnosed at birth, who presented with subtle symptoms of lethargy and a change in behavior. He was found to have a large (7...
October 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28748333/evaluation-of-motor-skills-in-children-with-rubinstein-taybi-syndrome
#9
Jean René Cazalets, Emma Bestaven, Emilie Doat, Marie Pierre Baudier, Cécile Gallot, Anouck Amestoy, Manuel Bouvard, Etienne Guillaud, Isabelle Guillain, Emelyne Grech, Julien Van-Gils, Patricia Fergelot, Sonia Fraisse, Emmanuelle Taupiac, Benoit Arveiler, Didier Lacombe
Rubinstein-Taybi syndrome (RTS) is a rare genetic disease that associates intellectual disability with somatic characteristics. We have conducted a study of the overall motor abilities of RTS participants. Static postural performance as well as gait parameters were somewhat decreased, although not significantly compared to typically developing (TD) participants. In contrast, the motor skills requiring a high level of visuomotor coordination were considerably degraded in RTS participants compared to TD participants...
November 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28694195/hemoglobins-emerging-roles-in-mental-disorders-metabolical-genetical-and-immunological-aspects
#10
REVIEW
Meric A Altinoz, Bahri Ince
Hemoglobin (Hb) expression in the central nervous system is recently shown. Cooccurences of mental disorders (mainly bipolar disorder (BD) and tic disorders) with β- or α-thalassemia trait or erythrocytosis were witnessed, which may be due to peripheral or central hypoxia/hyperoxia or haplotypal gene interactions. β-Globin genes reside at 11p15.5 close to tyrosine hydroxylase, dopamine receptor DRD4 and Brain Derived Neurotrophic Factor, which involve in psychiatric diseases. α-Globin genes reside at 16p13...
October 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28620009/recommendations-for-cancer-surveillance-in-individuals-with-rasopathies-and-other-rare-genetic-conditions-with-increased-cancer-risk
#11
REVIEW
Anita Villani, Mary-Louise C Greer, Jennifer M Kalish, Akira Nakagawara, Katherine L Nathanson, Kristian W Pajtler, Stefan M Pfister, Michael F Walsh, Jonathan D Wasserman, Kristin Zelley, Christian P Kratz
In October 2016, the American Association for Cancer Research held a meeting of international childhood cancer predisposition syndrome experts to evaluate the current knowledge of these syndromes and to propose consensus surveillance recommendations. Herein, we summarize clinical and genetic aspects of RASopathies and Sotos, Weaver, Rubinstein-Taybi, Schinzel-Giedion, and NKX2-1 syndromes as well as specific metabolic disorders known to be associated with increased childhood cancer risk. In addition, the expert panel reviewed whether sufficient data exist to make a recommendation that all patients with these disorders be offered cancer surveillance...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28523540/rubinstein-taybi-syndrome-and-epigenetic-alterations
#12
REVIEW
Edward Korzus
Rubinstein-Taybi syndrome (RSTS) is a rare genetic disorder in humans characterized by growth and psychomotor delay, abnormal gross anatomy, and mild to severe mental retardation (Rubinstein and Taybi, Am J Dis Child 105:588-608, 1963, Hennekam et al., Am J Med Genet Suppl 6:56-64, 1990). RSTS is caused by de novo mutations in epigenetics-associated genes, including the cAMP response element-binding protein (CREBBP), the gene-encoding protein referred to as CBP, and the EP300 gene, which encodes the p300 protein, a CBP homologue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28503387/rubinstein-taybi-syndrome-associated-with-pituitary-macroadenoma-a-case-report
#13
Yasamin Olyaei, J Manuel Sarmiento, Serguei I Bannykh, Doniel Drazin, Robert T Naruse, Wesley King
Rubinstein-Taybi Syndrome (RSTS) is an autosomal dominant disorder that is classically characterized by prenatal and postnatal growth restriction, microcephaly, dysmorphic craniofacial features, broad thumbs and toes, and intellectual disability. We describe the first reported case of a pituitary macroadenoma associated with RSTS. A 39-year-old Caucasian female with a past medical history of RSTS diagnosed at age two was found to have a gadolinium-enhancing pituitary mass on magnetic resonance imaging (MRI) of the brain three years ago during workup for migraine-like headaches...
April 11, 2017: Curēus
https://www.readbyqxmd.com/read/28395077/the-social-security-administration-s-compassionate-allowances-initiative-condition-spotlight-on-rubinstein-taybi-syndrome
#14
Shanna L Burke, Peter Maramaldi
The Social Security Administration (SSA) Compassionate Allowances List (CAL) was created in 2008, generating a mechanism within SSA for identifying diseases and other medical conditions that by definition meet social security's standards for disability benefits. Currently, over 200 conditions are included in this expedited review program, though few of them are neurodevelopmental in nature. Exploration of a novel method for inclusion of additional conditions on CAL was undertaken using one condition as an exemplar...
February 1, 2017: Health & Social Work
https://www.readbyqxmd.com/read/28144878/diverse-profiles-of-anxiety-related-disorders-in-fragile-x-cornelia-de-lange-and-rubinstein-taybi-syndromes
#15
Hayley Crawford, Jane Waite, Chris Oliver
Anxiety disorders are heightened in specific genetic syndromes in comparison to intellectual disability of heterogeneous aetiology. In this study, we described and contrasted anxiety symptomatology in fragile X (FXS), Cornelia de Lange (CdLS) and Rubinstein-Taybi syndromes (RTS), and compared the symptomatology to normative data for typically-developing children and children diagnosed with an anxiety disorder. Scores did not differ between children diagnosed with an anxiety disorder and (a) participants with FXS on social phobia, panic/agoraphobia, physical injury fears, and obsessive-compulsive subscales (b) participants with CdLS on separation anxiety, generalized anxiety, panic/agoraphobia, physical injury fears and obsessive-compulsive subscales, and (c) participants with RTS on panic/agoraphobia and obsessive-compulsive subscales...
December 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28027063/rubinstein-taybi-because-of-a-novel-ep300-mutation-with-novel-clinical-findings
#16
Mateusz Jagla, Tomasz B Tomasik, Ola Czyz, Mateusz Krol, Jeroen K J van Houdt, Przemko Kwinta, Beata A Nowakowska
No abstract text is available yet for this article.
July 2017: Clinical Dysmorphology
https://www.readbyqxmd.com/read/27964710/first-case-report-of-inherited-rubinstein-taybi-syndrome-associated-with-a-novel-ep300-variant
#17
María López, Verónica Seidel, Paula Santibáñez, Cristina Cervera-Acedo, Pedro Castro-de Castro, Elena Domínguez-Garrido
BACKGROUND: Rubinstein-Taybi syndrome (RSTS; OMIM #180849, #613684) is a rare autosomal dominant genetic condition characterized by broad thumbs and halluces, facial dysmorphism, short stature and variable degree of intellectual disability. RSTS is associated with mutations in CREBBP and EP300 genes in 50-60% and 5-8% of cases, respectively. The majority of cases are de novo heterozygous mutations. CASE PRESENTATION: Here we describe a familial RSTS case, associated with a novel EP300 mutation...
December 13, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27924288/hysterectomy-due-to-abnormal-uterine-bleeding-in-a-15-year-old-girl-with-rubinstein-taybi-syndrome
#18
Kwang Ho Lee, Eun Young Park, Sang Woo Jung, Seung Woo Song, Hyun Kyo Lim
Rubinstein-Taybi syndrome is characterized by mental retardation, atypical facial features, broad thumbs and toes, and scoliosis. Polycystic ovaries are associated with chronic anovulation and abnormal uterine bleeding. A 15-year old female patient was diagnosed with Rubinstein-Taybi Syndrome, and had prolonged abnormal uterine bleeding for 2 years, accompanied by a polycystic ovary. As she showed no improvement during hormonal therapy or medical treatment, a hysterectomy was performed to control the bleeding...
September 2016: Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/27867341/disorders-of-transcriptional-regulation-an-emerging-category-of-multiple-malformation-syndromes
#19
REVIEW
Kosuke Izumi
Some genetic disorders caused by mutations in genes encoding components of the transcriptional machinery as well as proteins involved in epigenetic modification of the genome share many overlapping features, such as facial dysmorphisms, growth problems and developmental delay/intellectual disability. As a basis for some shared phenotypic characteristics in these syndromes, a similar transcriptome disturbance, characterized by global transcriptional dysregulation, is believed to play a major role. In this review article, a general overview of gene transcription is provided, and the current knowledge of the mechanisms underlying some disorders of transcriptional regulation, such as Rubinstein- Taybi, Coffin-Siris, Cornelia de Lange, and CHOPS syndromes, are discussed...
October 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27802104/a-comparative-study-of-sociability-in-angelman-cornelia-de-lange-fragile-x-down-and-rubinstein-taybi-syndromes-and-autism-spectrum-disorder
#20
COMPARATIVE STUDY
Joanna Moss, Lisa Nelson, Laurie Powis, Jane Waite, Caroline Richards, Chris Oliver
Few comparative studies have evaluated the heterogeneity of sociability across a range of neurodevelopmental disorders. The Sociability Questionnaire for People with Intellectual Disability (SQID) was completed by caregivers of individuals with Cornelia de Lange (n = 98), Angelman (n = 66), Fragile X (n = 142), Down (n = 117) and Rubinstein Taybi (n = 88) syndromes and autism spectrum disorder (ASD; n = 107). Between groups and age-band (<12yrs; 12-18yrs; >18yrs) comparisons of SQID scores were conducted...
November 2016: American Journal on Intellectual and Developmental Disabilities
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