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Full-Text Articles in Medicine and Health Sciences

Uncovering The Role Of Spt5 In Rna Polymerase I Transcription Through Targeted Protein Degradation Via The Auxin Inducible Degron System In Saccharomyces Cerevisiae, Nathan Bellis Jan 2023

Uncovering The Role Of Spt5 In Rna Polymerase I Transcription Through Targeted Protein Degradation Via The Auxin Inducible Degron System In Saccharomyces Cerevisiae, Nathan Bellis

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RNA Polymerases are the molecular machines responsible for the synthesis of RNA from the DNA template. The presence of these machines is an absolute requirement for the function and replication of all cellular organisms. In eukaryotic organisms, there are a minimum of three RNA polymerases (Pols I, II, II). Despite shared subunits and homology, these three protein complexes are functionally distinct, with many unique sub-units and additional trans-acting factors. Pol I is responsible for the synthesis of three of the four ribosomal RNA species which is the first and rate limiting step of ribosome biogenesis. Pol I synthesizes the majority …


Characterizing A Unique Oprm1 Expressing Neuronal Population In The Rat Nucleus Accumbens, Emma Andraka Jan 2023

Characterizing A Unique Oprm1 Expressing Neuronal Population In The Rat Nucleus Accumbens, Emma Andraka

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Opioid-related overdose deaths have increased drastically in the past three decades, and especially since the beginning of the COVID-19 pandemic, due to the addictive, analgesic, and euphoric properties of the drugs. To produce these effects, opioids bind to the mu opioid receptor (MOR) in GABAergic neurons. The MOR is encoded by the Oprm1 gene and is expressed in multiple brain regions that regulate reward and motivation, such as the nucleus accumbens (NAc). Previous studies of Oprm1 knockdown in medium spiny neurons (MSNs) of the mouse NAc have shown that these neuronal populations are involved in reinforcing reward-context pairing as well …


Short Root Anomaly: Prevalence, Genetics, And Its Effect In Orthodontic Treatment, Lauren Sharp Jan 2023

Short Root Anomaly: Prevalence, Genetics, And Its Effect In Orthodontic Treatment, Lauren Sharp

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Short root anomaly (SRA) is a poorly understood developmental defect of root formation. Patients with this condition have short roots with rounded apexes and significantly reduced root to crown (R/C) ratios1, which can compromise dental care and may increase the risk of root resorption during tooth movement. SRA prevalence ranges from 1-10% but has not been studied in many ethnic populations. Furthermore, its genetic basis is undetermined. Our goals were to determine the prevalence of SRA among various ethnicities, identify genetic variations contributing to its phenotype, and evaluate how SRA can affect the outcome of orthodontic treatment. This study found …


Nasal Septum Deviation In Patients With Or Without Impacted Canines, Naurine Shah Jan 2023

Nasal Septum Deviation In Patients With Or Without Impacted Canines, Naurine Shah

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There has been a recent rise in interest for studying the relationship between orthodontic treatment and the airway. Most studies have focused on measuring the oropharyngeal airway and how it is affected by growth with or without orthodontic treatment. The Nasal Septum, a midline structure is an integral part of the anatomy of the nasopharynx. Nasal Septum Deviations (NSD) can be caused by mechanical injuries, nasal polyps, neoplasia, infections, genetic influences as well as congenital malformations. The proximity of the septum can be correlated to changes in the housing of dentition in the naso maxillary complex. Objective: We aim to …


Comparing The Efficiency Of Molar Protraction Using Herbsts And Temporary Anchorage Devices, Ishita Zem Taneja Jan 2023

Comparing The Efficiency Of Molar Protraction Using Herbsts And Temporary Anchorage Devices, Ishita Zem Taneja

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Objective: The purpose of this study is twofold. First, to assess the utilization of the Herbst device in mandibular molar protraction. Second, to compare the effectiveness of the protraction Herbst and TADs in patients with congenitally missing mandibular second premolars. Methods: This project was designed as a retrospective study. Orthodontic patients with unilateral or bilateral congenitally missing mandibular premolars, who received the protraction Herbst appliance or TADs as part of their treatment were included in the study. We excluded patients treated with maxillary counterbalancing extractions. Our final patient sample included a total of 33 patients (22 females and 11 males). …


Strategic Balance In Healthcare Organizations, Corey Spraberry Jan 2023

Strategic Balance In Healthcare Organizations, Corey Spraberry

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The purpose of this dissertation was to assess the relationship between service mix offerings relative to competitors and firm performance. Specifically, this study explores if an optimal point of service offerings in the competitive market is associated with financial performance. This study is important to both researchers and healthcare leaders as it helps understand the relationship between optimal service mix and firm performance. The results find a relationship that suggests a differentiated service mix compared to a generalized service mix is associated with financial performance. Additionally, hospital characteristics are associated with service duplication and differentiation. The findings of this research …


Molecular Influences Of Racial Disparities In Pancreatic Neuroendocrine Tumors, Brendon Herring Jan 2023

Molecular Influences Of Racial Disparities In Pancreatic Neuroendocrine Tumors, Brendon Herring

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Pancreatic Neuroendocrine Tumors (PNETs) are highly heterogeneous neoplasms arising from the hormone-secreting cells of the endocrine pancreas. PNETs are broadly categorized as functional and non-functional based on the presence of symptoms associated with hormone secretion, which occurs in approximately 30% of cases. While functional tumors are all considered for resection because of these symptoms and their associated sequelae, non-functional tumors > 2cm are currently resected based on increased risk of developing metastatic disease. However, this criterion is based on data from predominantly White patients. Recent studies have shown that Black patients have much higher rates of lymph node metastatic disease at …


Optimization Of Progranulin Gene Therapy, A Potential Treatment For Frontotemporal Dementia, Shreya Natesh Kashyap Jan 2023

Optimization Of Progranulin Gene Therapy, A Potential Treatment For Frontotemporal Dementia, Shreya Natesh Kashyap

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Heterozygous loss of function mutations in the progranulin gene cause frontotemporal dementia, characterized by deficits in social behavior, language comprehension and motor function. Almost every frontotemporal dementia-related progranulin mutation is loss of function and results in progranulin haploinsufficiency. For this reason, progranulin replacement is a conceptually straightforward therapeutic strategy for patients with frontotemporal dementia caused by progranulin mutations. Here, we outline progranulin biology, progranulin deficient mouse models of frontotemporal dementia and preclinical interventions centered around increasing brain progranulin levels. We have demonstrated that blocking the progranulin C-terminus, which harbors the sortilin binding site, improves the cross-correctional capacity of neurotropic progranulin …


Physical Activity And Related Social Cognitive Theory Constructs By Major Depression Status In Persons With Multiple Sclerosis, Catherine Danielle Jones Jan 2023

Physical Activity And Related Social Cognitive Theory Constructs By Major Depression Status In Persons With Multiple Sclerosis, Catherine Danielle Jones

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Major depressive disorder (MDD) is highly prevalent among the 1 million per-sons living with multiple sclerosis (MS) in the United States. The prevalence of MDD is nearly 1.7 times higher in persons with MS than in the general population. MDD is associated with negative outcomes in MS, including worse neuropsychological functioning, lower quality of life (QOL), and worse disability. Higher levels of physical activity (PA) are associated with lower depressive symptoms in MS and participation in moderate to vigorous physical activity (MVPA) has been recommended for managing depression se-verity in the general population. However, the rates, patterns, and behavioral correlates …


Genetic And Epigenetic Risk Scores For Chronic Kidney Disease In African Americans, Alana C. Jones Jan 2023

Genetic And Epigenetic Risk Scores For Chronic Kidney Disease In African Americans, Alana C. Jones

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Kidney disease is the tenth-leading cause of death in the United States (US). There are significant racial disparities within kidney disease: African Americans (AAs) have the highest rates of CKD and carry a four-fold higher risk of developing end-stage renal disease (ESRD). They are also less likely to undergo kidney transplants, and among those who do, are more likely to experience graft rejection. Additionally, until 2021, kidney function equations were shown to underestimate the severity of kidney disease in AA due to the use of race coefficients. Among all populations, genetic and epigenetic factors contribute to kidney disease. However, AAs …


Understanding Molecular Mechanisms Of Glioblastoama Resistance To Design Novel Combinatorial Therapies, Amber B. Jones Jan 2023

Understanding Molecular Mechanisms Of Glioblastoama Resistance To Design Novel Combinatorial Therapies, Amber B. Jones

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Treatment options for the universally lethal brain tumor, glioblastoma (GBM), are severely limited and often unsuccessful in fully eradicating the disease. Extremely aggressive in nature, GBM cells often implore suppressive mechanisms to evade therapeutic detection which aids in the dismal 15-month median survival rate. Facilitating disease severity and more importantly, disease recurrence, are the immunosuppressive and chemoresistant phenotypes of GBM cells. Specifically, the DNA alkylating agent, temozolomide (TMZ) possesses lymphodepleting properties shunting robust immune cell infiltration into an immunologically cold tumor microenvironment. Additionally, through inherent or acquired mechanisms, GBM tumors commonly become resistant to the DNA damaging effects of TMZ …


Respiratory Symptoms And Psychological Distress In Farmers Living With Copd, Prasert Kham-Ai Jan 2023

Respiratory Symptoms And Psychological Distress In Farmers Living With Copd, Prasert Kham-Ai

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Farmers are susceptible to both Chronic Obstructive Pulmonary Disease (COPD) and psychological distress. It is known that psychological distress is associated with increased respiratory symptoms and triggers COPD exacerbation. Therefore, farmers who have COPD may experience worsening respiratory symptoms as a result of psychological distress. Since no known studies revealed the association between the frequency of respiratory symptoms and the level of psychological distress among farmers with COPD, this study aimed to explore (1) the frequency of respiratory symptoms and the level of psychological distress, (2) the factors related to increased respiratory symptoms and psychological distress, and (3) the association …


A Prospective Randomized Clinical Trial To Compare Side Access Mucosal Releasing Incision (Samri) And Sulcular Tunnel Access And Root Coverage Procedures With Coronally Advanced Flap And Acellular Dermal Matrix (Adm) To Treat Teeth With Gingival Recession And Lack Of Adequate Keratinized Tissue. A Pilot Study, Wangsoo Lee Jan 2023

A Prospective Randomized Clinical Trial To Compare Side Access Mucosal Releasing Incision (Samri) And Sulcular Tunnel Access And Root Coverage Procedures With Coronally Advanced Flap And Acellular Dermal Matrix (Adm) To Treat Teeth With Gingival Recession And Lack Of Adequate Keratinized Tissue. A Pilot Study, Wangsoo Lee

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Aims. The aim of this prospective, randomized, blinded, controlled clinical trial was to compare clinical and patient-centered outcomes of Cairo recession type 1 (RT1) gingival recession defects treated with acellular dermal matrix (ADM) grafts and either Side Access Mucosal Releasing Incision (SAMRI) or Sulcular Tunnel Access (STA) techniques with coronal flap advancement (CAF). Methods. 11 patients, 22 surgical procedures and 81 gingival recession defect sites with Cairo RT1 gingival recession and £ 2mm of keratinized tissue at each site were randomly divided into two groups (A: SAMRI, B: STA) and were treated and evaluated for 12 months post-surgically. Clinical measurements …


The Long Non-Coding Rna Neat1 Mediates Astrocyte Gene Expression And Hippocampus-Dependent Memory In Aging And Alzheimer's Disease, Ashleigh Burns Irwin Jan 2023

The Long Non-Coding Rna Neat1 Mediates Astrocyte Gene Expression And Hippocampus-Dependent Memory In Aging And Alzheimer's Disease, Ashleigh Burns Irwin

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Dysregulation of long non-coding RNAs (lncRNAs) is increasingly associated with cognitive dysfunction and neurodegenerative disorders such as Alzheimer’s disease (AD). The highly evolutionarily conserved lncRNA Nuclear-Enriched Abundant Transcript 1 (NEAT1) is expressed not only in a tissue- and temporally-specific manner, but also celltype specific manner. Despite the predominance of NEAT1 in glial populations, and the significant role astrocytes play in memory, relatively little is known about Neat1 regulation of astrocyte transcriptomics during age-related memory. Here, we report a crucial role of the lncRNA Neat1 in astrocyte dysfunction and memory deficits associated with both normal aging and AD. Expression of Neat1 …


Unveiling The Molecular Features Of Cancer Health Differences Through Multi-Omics Data Analysis, Fengyuan Huang Jan 2023

Unveiling The Molecular Features Of Cancer Health Differences Through Multi-Omics Data Analysis, Fengyuan Huang

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Understanding the molecular features underlying cancer health differences is crucial for developing effective therapeutic strategies. Multi-omics data analysis, integrating various molecular layers such as genomics, transcriptomics, epigenomics, proteomics, and metabolomics, provides a comprehensive approach to characterize the molecular landscape of cancer differences. By integrating diverse omics data, researchers can identify genetic variations, gene expression patterns, epigenetic modifications, and protein alterations that contribute to differences in cancer progression, and treatment response. These molecular features can serve as potential biomarkers for predicting patient outcomes and guiding personalized treatment strategies. Furthermore, multi-omics data analysis enables the identification of molecular subtypes specific to different …


Physical Activity Promotion In Persons Newly Diagnosed With Multiple Sclerosis, Le Thao Trinh Huynh Jan 2023

Physical Activity Promotion In Persons Newly Diagnosed With Multiple Sclerosis, Le Thao Trinh Huynh

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Multiple sclerosis (MS) is a prevalent immune-mediated, neurodegenerative disorder, affecting approximately 1 million people in the United States. MS onset is commonly between 20 and 40 years of age, and persons with MS often live a long life with the disease resulting from the early initiation of disease-modifying therapies and comorbidity-managing approaches. Notably, physical activity is promising for disease modification and symptoms and comorbidity management in MS. Yet, physical activity has been initiated quite late during the disease course. Further, early MS could be a “window of opportunity” for initiating physical activity to maximize its health benefits for symptom management …


Application Of Machine Learning And Network Approaches To Prioritize Safe And Efficacious Drug Repurposing Candidates, Jennifer L. Fisher Jan 2023

Application Of Machine Learning And Network Approaches To Prioritize Safe And Efficacious Drug Repurposing Candidates, Jennifer L. Fisher

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Only ten percent of drugs in clinical trials are ultimately approved by the Food and Drug Administration (FDA). With many diseases and disorders needing therapeutic options, computational drug repurposing methodologies are great alternatives to some drug discovery methods due to quicker FDA approval and lower cost. We sought to gain insights to improve the identification of drug repurposing candidates that will be safe and effective to increase the success of computational drug repurposing approaches. In regards to identifying safe drug candidates, pharmacovigilance studies of adverse event case reports identified that women are more likely to experience an adverse event, and …


Spatial/Temporal Zonation, Diversification, And Evolutionary Conservation Of Kidney Resident Macrophage Subpopulations In Mice And Humans After Kidney Injury, Elise Nicole Erman Jan 2023

Spatial/Temporal Zonation, Diversification, And Evolutionary Conservation Of Kidney Resident Macrophage Subpopulations In Mice And Humans After Kidney Injury, Elise Nicole Erman

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In the United States, acute kidney injury (AKI) affects nearly 20% of all intensive care unit patients. Additionally, over a third of Americans aged 50 or older suffer from stage 3 chronic kidney disease (CKD) or higher. AKI and CKD are encompassing terms for many etiologies and pathological processes that affect different regions of the kidney but converge at tissue inflammation and fibrosis. Macrophages perform vital homeostatic functions and can initiate or ameliorate inflammation and fibrosis. As the largest component of the kidney immune system, kidney resident macrophages (KRMs) have been implicated in both disease propagation and mitigation, yet the …


Modular Regulation And Function Of The Polypyrimidine Tract Binding Protein 1 (Ptbp1), Christine Carico Jan 2023

Modular Regulation And Function Of The Polypyrimidine Tract Binding Protein 1 (Ptbp1), Christine Carico

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RNA binding proteins (RBPs) are critical regulators of gene expression as they are responsible for the chaperoning and processing of every nascent RNA transcript. Many studies have investigated mechanisms of specificity of RBP function and have identified factors such as cell-specific expression of RBPs and differential preferences for RNA secondary structure. However, RBPs are often multi-domain proteins that contain repeats of various RNA binding domains (e.g., RNA recognition motif) and little work in the genomic era of transcriptomic interrogation has been done to define the contribution of individual domains to the overall protein function. Polypyrimidine tract binding protein 1 (PTBP1) …


Reduction Of Sphingomyelinases Associated With Progranulin Deficiency And Frontotemporal Dementia, Nicholas R. Boyle Jan 2023

Reduction Of Sphingomyelinases Associated With Progranulin Deficiency And Frontotemporal Dementia, Nicholas R. Boyle

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Frontotemporal dementia (FTD) is a leading cause of early-onset dementia and has a significant socioeconomic burden due to difficulties in diagnosis and delay to diagnosis. FTD is a clinically, pathologically, and genetically heterogeneous disorder. The pathological changes associated with FTD are termed frontotemporal lobar degeneration (FTLD). Protein aggregates are always present in FTLD, with >90% of cases presenting with either TDP-43 or tau pathology. Most cases of FTD are sporadic, but familial cases account for up to 25% of FTD. All familial FTD is inherited in an autosomal dominant fashion with most cases being caused by mutations in tau (MAPT), …


Investigation Into The Structure And Function Of Tyrosyl-Dna Phosphodiesterase I'S N-Terminal Domain, Evan J. Brettrager Jan 2023

Investigation Into The Structure And Function Of Tyrosyl-Dna Phosphodiesterase I'S N-Terminal Domain, Evan J. Brettrager

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Tyrosyl-DNA phosphodiesterase I (Tdp1) is a eukaryotic DNA repair enzyme that removes adducts from DNA ends via hydrolysis of a phosphodiester bond. These adducts consist of damaged nucleotides or trapped protein-DNA complexes. Tdp1 hydrolyzes the phosphodiester bond utilizing two catalytic histidines and forming a Tdp1-DNA covalent intermediate. Mutations of these catalytic histidines have been shown to increase the stability of the Tdp1-DNA covalent intermediate and cause Topoisomerase I dependent toxicity in cells. We use these toxic Tdp1 mutant enzymes to study the function of Tdp1’s N-terminal domain (NTD). Full-length Tdp1 has proven difficult to purify due to degradation of the …


Aging With Hiv And Comorbid Chronic Obstructive Pulmonary Disease, Jun Yeong Byun Jan 2023

Aging With Hiv And Comorbid Chronic Obstructive Pulmonary Disease, Jun Yeong Byun

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Older adults with human immunodeficiency virus (HIV) experience a high prevalence of chronic obstructive pulmonary disease (COPD). Considering having either HIV or COPD is related to worse health outcomes in older adults, aging with both HIV and COPD may synergistically and negatively affect the health outcomes of older people with HIV (PWH) and comorbid COPD. The purpose of this dissertation was to explore the aging of PWH with COPD. This purpose was accomplished through three articles: 1) an adaptation of a gerontological model investigating what is known about the aging of PWH and people with COPD and extrapolating that to …


Macrophage Ipla2ss-Derived Lipid Signaling Contributes To Type 1 Diabetes Development, Abdulaziz Saad Almutairi Jan 2023

Macrophage Ipla2ss-Derived Lipid Signaling Contributes To Type 1 Diabetes Development, Abdulaziz Saad Almutairi

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Type 1 Diabetes (T1D) is an autoimmune disease characterized by the destruction of insulin-secreting pancreatic β-cells that leads to hyperglycemia; however, the mechanism of β-cells destruction remains elusive. Ca2+-independent phospholipase A2β (iPLA2β), which hydrolyzes membrane phospholipids at the sn-2 position and releases bioactive lipids, modulates polarization of macrophages (M ). Data from our lab suggests that selective iPLA2β-derived lipid signals (iDLs) (i.e., PGs, HETEs, DHETs, LTB4) produced by M from spontaneous-T1D prone nonobese diabetic mice (NOD) are high during the pre-diabetic phase. However, the impact of macrophage-derived iDLs in T1D remains unclear. Therefore, we generated a NOD mouse model with …


Impact Of Streptococcus Parasanguinis-Generated Reactive Nitrogen Species On Pseudomonas Aeruginosa Virulence And The Host Response, Joshua J. Baty Jan 2023

Impact Of Streptococcus Parasanguinis-Generated Reactive Nitrogen Species On Pseudomonas Aeruginosa Virulence And The Host Response, Joshua J. Baty

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Streptococcus parasanguinis is an oral commensal bacterium that produces hydrogen peroxide. Hydrogen peroxide can react with endogenous molecules such as nitrite to form reactive nitrogen intermediates (RNI). These S. parasanguinis-mediated RNI have been shown to inhibit oral pathogens such as Streptococcus mutans, Enterococcus faecalis, and Aggregatibacter actinomycetemcomitans. As such, S. parasanguinis plays a protective role in the oral microbial ecosystem by antagonizing and preventing colonization by oral pathogens. In addition to being an important organism for the health of the oral cavity, S. parasanguinis has also been associated with improved outcomes for people with cystic fibrosis. There are two explanations …


Social Determinants Of Health And Blood Pressure Control In Black And White Us Adults, Oluwasegun Philip Akinyelure Jan 2023

Social Determinants Of Health And Blood Pressure Control In Black And White Us Adults, Oluwasegun Philip Akinyelure

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Black adults in the US have 2 to 3 times higher rates of cardiovascular disease (CVD) mortality compared to White adults. Most of the excess CVD mortality in Black adults has been attributed to their higher prevalence of hypertension and uncontrolled blood pressure (BP). In October 2020, the US Surgeon General published a Call-to-Action to improve hypertension control and identified social determinants of health (SDOH) as a major contributor to Black:White disparities in hypertension control. Prior research has showed that SDOH are associated with excess hypertension risk among Black compared with White adults, but data on their association with BP …


Acute Placental Inflammation And Growth Outcomes In Preterm Infants, Emily Gunawan Jan 2023

Acute Placental Inflammation And Growth Outcomes In Preterm Infants, Emily Gunawan

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Background. Acute placental inflammation (API) has been associated with various adverse outcomes in preterm infants. However, little is known about how API affects their body composition and growth outcomes. This study aims to examine the association between API and growth outcomes in preterm infants. Methods. We conducted a retrospective cohort study of mother-infant dyads born < 326/7 weeks of gestation with fat mass (FM) accretion measured using air displacement plethysmography at term-equivalent age. API severity including maternal inflammatory response (MIR) and fetal inflammatory response (FIR) was staged according to criteria by Society for Pediatric Pathology based on placental pathology reports. We examined the differences in characteristics of mother-infant dyads by API severity using ANOVA or the Kruskall-Wallis test. The association between API severity and growth outcomes was analyzed using linear regression models and adjusted for statistically significant confounders. Mediation analyses were used to study the direct and indirect association of API and growth outcomes via gestational age. Results. Among 375 mother-infant dyads analyzed, 104 (28%) dyads had MIR. FIR was found in 82% of dyads with MIR. Adjusted models indicated that API severity progression was positively associated with FM accretion. Gestational age partially (49%) iv mediated the association between API severity and FM z score (indirect effect: b=0.12, 95% CI: 0.05-0.19; direct effect: b=0.12, 95% CI: 0.01-0.25). Conclusions. API severity is associated with growth outcomes and helps to accurately predict body composition in preterm infants.


Epigenetic Aberrations In Systemic Sclerosis And Systemic Lupus Erythematosus, Peter C. Allen Jan 2023

Epigenetic Aberrations In Systemic Sclerosis And Systemic Lupus Erythematosus, Peter C. Allen

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Autoimmune diseases are a classification of more than eighty diseases where the immune system recognizes a self-antigen and mistakenly attacks the body’s own tissue, inducing inflammation a nd p otentially l eading t o d amage. Autoimmune diseases disproportionately affect women and develop at any age depending on the disease. The prevalence of some autoimmune diseases is increased in minority populations. Despite this, research into higher-risk populations is lacking. This highlights the need to contribute research into understanding autoimmune disease pathogenesis in diverse studies to understand why disease is more severe in these populations. We analyzed transcriptomes and methylomes of …


Gain Of Keratinized Muscosa Around Dental Implants Using A Combination Of Strip Gingival Graft And Acellular Dermal Matrix - A Prospective Case Study, Louai Haddad Jan 2023

Gain Of Keratinized Muscosa Around Dental Implants Using A Combination Of Strip Gingival Graft And Acellular Dermal Matrix - A Prospective Case Study, Louai Haddad

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Several surgical techniques have been described to increase keratinized tissue (KT) around implants and teeth. Despite various methods, the bulk of evidence reported that the use of keratinized autogenous graft (i.e., Free Gingival Grafts (FGG)), harvested from the patient’s palate, remained the gold standard in soft tissue augmentation procedures and provided more predictable results. However, soft tissue autograft supply can be limited, and its harvesting is associated by increased patient morbidity. Several clinical studies have demonstrated the effectiveness of using allogenic soft tissue grafts such as Acellular Dermal Matrix Allograft (ADMA) instead of FGG to augment keratinized tissue (KT). This …


Social Vulnerability And Racial Disparities In Overall Survival Among Endometrial Cancer Patients, Alfonsus Adrian Hadikusumo Harsono Jan 2023

Social Vulnerability And Racial Disparities In Overall Survival Among Endometrial Cancer Patients, Alfonsus Adrian Hadikusumo Harsono

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Introduction. Social vulnerability (SV) refers to potential negative effects on communities caused by external stresses on human health. The CDC/ATSDR Social Vulnerability Index (SVI) scores communities on 15 social indicators in 4 themes: (1) socioeconomic status (SES), (2) household composition and disability, (3) minority status and language, and (4) housing type and transportation. An overall score ranging from 0 (least vulnerable) to 1 (most vulnerable) is calculated to estimate vulnerability. We investigated whether SV as measured by the SVI can explain why black endometrial cancer (EC) patients survive less well than do white EC patients. Methods. We studied the survival …


Failure Modes Of Different Zirconia Crown Heights And Materials On Titanium Base Abutments, Aikaterini Anastasaki Jan 2023

Failure Modes Of Different Zirconia Crown Heights And Materials On Titanium Base Abutments, Aikaterini Anastasaki

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Statement of the Problem: The existing scientific literature lacks comprehensive information regarding the influence of zirconia crown height on debonding and fracture occurrences between zirconia crowns and titanium base abutments. Additionally, there is a lack of comparative studies evaluating different zirconia materials as restorative options for screw-retained restorations. Purpose: The purpose of this study was to assess the failure modes of the zirconia crown/titanium implant abutment complex by investigating the impact of increasing zirconia crown heights and different zirconia materials. Materials and Methods: The experimental design encompassed six groups, each consisting of 10 specimens. Group 1 included 10 non-anatomical crowns …