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Barrett's Esophagus in Rubinstein-Taybi Syndrome.

ABSTRACT: Rubinstein-Taybi syndrome (RSTS; Online Mendelian Inheritance in Man^® [OMIM^®] #180849, #613684; Orpha: 783 ) is a rare plurimalformative autosomal dominant genetic disorder that affects one in 100,000-125,000 newborns with equal male and female distribution. It is characterized by distinctive facial features, short stature, broad and often angulated thumbs and halluces, and moderate-to-severe intellectual disability. In addition to ocular, cardiac, renal, endocrinologic, neurological, and psychomotor abnormalities, RSTS individuals can present with several gastrointestinal symptoms such as feeding difficulties, gastroesophageal reflux, and constipation. Currently, therapeutic strategies for RSTS involves a multi-disciplinary approach focusing mainly on symptomatic management. Here, we present a case of young-onset Barrett's esophagus in a patient with Rubinstein-Taybi syndrome.

SUBMITTER: Kumar P

PROVIDER: S-EPMC7769793 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Barrett's Esophagus in Rubinstein-Taybi Syndrome.

Kumar Prabhat P Thota Prashanthi N PN

Cureus 20201125 11

Rubinstein-Taybi syndrome (RSTS; Online Mendelian Inheritance in Man<sup>®</sup> [OMIM<sup>®</sup>] #180849, #613684; Orpha: 783 ) is a rare plurimalformative autosomal dominant genetic disorder that affects one in 100,000-125,000 newborns with equal male and female distribution. It is characterized by distinctive facial features, short stature, broad and often angulated thumbs and halluces, and moderate-to-severe intellectual disability. In addition to ocular, cardiac, renal, endocrinologic, ne ...[more]

PMID: 33391942

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Project description: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. Recent studies of the epigenetic mechanisms underlying cognitive functions in mice provide direct evidence for the involvement of nuclear factors (e.g., CBP) in the control of higher cognitive functions. In fact, a role for CBP in higher cognitive function is suggested by the finding that RSTS is caused by heterozygous mutations at the CBP locus (Petrij et al., Nature 376:348-351, 1995). CBP was demonstrated to possess an intrinsic histone acetyltransferase activity (Ogryzko et al., Cell 87:953-959, 1996) that is required for CREB-mediated gene expression (Korzus et al., Science 279:703-707, 1998). The intrinsic protein acetyltransferase activity in CBP might directly destabilize promoter-bound nucleosomes, facilitating the activation of transcription. Due to the complexity of developmental abnormalities and the possible genetic compensation associated with this congenital disorder, however, it is difficult to establish a direct role for CBP in cognitive function in the adult brain. Although aspects of the clinical presentation in RSTS cases have been extensively studied, a spectrum of symptoms found in RSTS patients can be accessed only after birth, and, thus, prenatal genetic tests for this extremely rare genetic disorder are seldom considered. Even though there has been intensive research on the genetic and epigenetic function of the CREBBP gene in rodents, the etiology of this devastating congenital human disorder is largely unknown.

Dataset Information

Barrett's Esophagus in Rubinstein-Taybi Syndrome.

Publications

Barrett's Esophagus in Rubinstein-Taybi Syndrome.

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