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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
Mechanism Of Rare Variant In Acta2, P.Arg149cys, Driving Diverse Vascular Disease, Kaveeta Kaw
Mechanism Of Rare Variant In Acta2, P.Arg149cys, Driving Diverse Vascular Disease, Kaveeta Kaw
Dissertations & Theses (Open Access)
Heterozygous variants in ACTA2 (smooth muscle (SM) α-actin) predispose to thoracic aortic aneurysms and dissections (TAAD) and early-onset coronary artery disease (CAD). The most common ACTA2 mutation is a genetic alteration of arginine 149 to a cysteine, ACTA2 p.Arg149Cys, which accounts for disease in 24% of all ACTA2 mutation carriers.(1) ACTA2 p.Arg149Cys mutation carriers present with either TAAD or CAD but rarely have both diseases. To identify the molecular mechanisms dictating whether an individual with ACTA2 p.Arg149Cys develops TAAD or CAD, CRISPR/Cas9 technology was used to generate the mutant mouse, Acta2R149C/+, in a C57BL6 background. Acta2R149C/+ mice …
Assessing The Impact Of Camp Phever On Blood Phenylalanine Levels, Michelle Zelnick
Assessing The Impact Of Camp Phever On Blood Phenylalanine Levels, Michelle Zelnick
Dissertations & Theses (Open Access)
Phenylketonuria (PKU) is a metabolic disorder that results in accumulation of the amino acid, phenylalanine, throughout the body. This can result in neurocognitive complications if individuals with this disease do not follow a low-protein diet. Camp PHEver is a weeklong summer camp that gives children with PKU an opportunity to obtain skills related to diet compliance, but also enhance their confidence, relationship development, and independence. Through learned skills and the strict diet regimen at camp, campers were found to have a statistically significant drop in phenylalanine (PHE) levels within a single attendance (mean decrease per year range = 2.1 to …
Factors That Impact Uptake Of Carrier Screening By Male Reproductive Partners Of Female Prenatal Patients, Wendi Betting
Factors That Impact Uptake Of Carrier Screening By Male Reproductive Partners Of Female Prenatal Patients, Wendi Betting
Dissertations & Theses (Open Access)
Carrier screening is a genomic technology that is used to identify individuals who are carriers of autosomal recessive conditions. Despite published recommendations, the majority of male partners do not complete carrier screening after their female partner is identified to be a carrier. Previous studieshave examined reasons why women elect or decline carrier screening, but there have been few published studies that examine factors that influence a male partner’s decision to elect or decline carrier screening, particularly when the female has been identified as a carrier. The aim of the study was to determine the factors that influence the uptake of …
Statistical Methods For Assessing Structural Change In Human & Microbial Genomes, Xuan Zhu
Statistical Methods For Assessing Structural Change In Human & Microbial Genomes, Xuan Zhu
Dissertations & Theses (Open Access)
Genetic sequencing has been recognized as an effective approach to accurately address biological problems, such as clinical detection of disease, mutation discovery, and targeting specific biomarkers associated with complex diseases. Compared with conventional Sanger sequencing, next-generation sequencing costs much less due to massively parallel high-throughput sequencing. However, due to large numbers of short read sequences, the accuracy of high-throughput sequencing data remains a challenge in that the data obtained from next-generation sequencing often has higher error rates, which may impact downstream genomic analysis. Even if the downstream genomic analysis performs well, the quality of the result will still be impacted …
Obstetrician And Gynecologist Utilization Of The Nipt Expanded Testing Option, Sarah Mayes Ba
Obstetrician And Gynecologist Utilization Of The Nipt Expanded Testing Option, Sarah Mayes Ba
Dissertations & Theses (Open Access)
Noninvasive prenatal testing (NIPT) enables the detection of common fetal aneuploidies such as trisomy 21, trisomy 18, trisomy 13, and sex chromosome abnormalities via analysis of cell-free fetal DNA circulating in maternal serum. Although the accuracy of NIPT for fetal aneuploidy is expected to be higher than that of currently available alternative maternal serum screening options, the implications of results are not straight forward. In October 2013, the option to screen for additional trisomies and select microdeletion syndromes, such as 22q11.2 deletion syndrome and 5 p- syndrome, became clinically available. Due to this rapidly evolving prenatal screening technology, clinicians must …
Identifying Genetic Variants And Characterizing Their Role In Clubfoot, Katelyn S. Weymouth
Identifying Genetic Variants And Characterizing Their Role In Clubfoot, Katelyn S. Weymouth
Dissertations & Theses (Open Access)
Clubfoot is a common, complex birth defect affecting 4,000 newborns in the United States and 135,000 world-wide each year. The clubfoot deformity is characterized by inward and rigid downward displacement of one or both feet, along with persistent calf muscle hypoplasia. Despite strong evidence for a genetic liability, there is a limited understanding of the genetic and environmental factors contributing to the etiology of clubfoot. The studies described in this dissertation were performed to identify variants and/or genes associated with clubfoot. Genome-wide linkage scan performed on ten multiplex clubfoot families identified seven new chromosomal regions that provide new areas to …
An Assessment Of Obesity And Hyperphagia In Individuals With Smith-Magenis Syndrome, Carrie A. Crain
An Assessment Of Obesity And Hyperphagia In Individuals With Smith-Magenis Syndrome, Carrie A. Crain
Dissertations & Theses (Open Access)
Smith-Magenis syndrome (SMS;OMIM# 182290) is a multiple congenital anomalies and mental retardation syndrome caused by a 3.7- Mb deletion on chromosome 17p11.2 or a mutation in the RAI1 gene. Although the majority of the SMS phenotype has been well described, limited studies are available describing growth patterns in SMS. There is some evidence that individuals with SMS develop obesity. Thus, this study aims to characterize the growth and potential influence of hyperphagia in a cohort of individuals with SMS. A retrospective chart review was conducted of 78 individuals with SMS through Baylor College of Medicine (BCM) at Texas Children¡¯s Hospital …