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Public Health

University of South Carolina

Theses and Dissertations

Theses/Dissertations

Cancer

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Full-Text Articles in Medicine and Health Sciences

The Genetic Associations Of Circadian Rhythm And Sleep Disorder Traits With Risk Of Monoclonal Gammopathy Of Undetermined Significance And Multiple Myeloma, Brittany Crawford Oct 2023

The Genetic Associations Of Circadian Rhythm And Sleep Disorder Traits With Risk Of Monoclonal Gammopathy Of Undetermined Significance And Multiple Myeloma, Brittany Crawford

Theses and Dissertations

Background: Circadian rhythm disruption and sleep have been widely studied for their roles in immunity and cancer development. Evidence for an association of circadian rhythm and sleep traits with multiple myeloma (MM) risk is inconclusive. No studies have investigated these traits in relation to monoclonal gammopathy of undetermined significance (MGUS). Given that MGUS precedes almost all MM cases, investigating sleep and circadian rhythm in relation to both MM and MGUS is necessary. The purpose of this dissertation was to explore the genetic influences of circadian rhythm and sleep traits on the risk of MGUS and MM. Methods: Data were leveraged …


A Multilevel And Spatial Analysis Of Oral And Pharyngeal Cancer In South Carolina, Deborah M. Hurley Apr 2021

A Multilevel And Spatial Analysis Of Oral And Pharyngeal Cancer In South Carolina, Deborah M. Hurley

Theses and Dissertations

Objective: Disparities in the distribution of oral and pharyngeal cancer exist worldwide. This is also true in the United States and in South Carolina. Differences exist in oral and pharyngeal cancer stage and survival by race and sex, with higher incidence rates for Whites but higher proportions of late-stage cancer and lower survival for Blacks. This study was conducted to evaluate whether any differences exist in the spatial distribution of oral and pharyngeal cancer stage at diagnosis and survival, and to evaluate the association of income inequality, material deprivation and other measures of social determinants of health (contextual risk factors) …


Dietary Advanced Glycation End-Products (Ages) And Breast Cancer Risk And Survival, Omonefe Opeyemi Omofuma Oct 2019

Dietary Advanced Glycation End-Products (Ages) And Breast Cancer Risk And Survival, Omonefe Opeyemi Omofuma

Theses and Dissertations

Introduction: Advanced glycation end-products (AGEs) are implicated in the pathogenesis of chronic diseases including cancer. AGEs are produced endogenously and are also consumed from foods. High amounts of AGEs are found in animal products and processed foods, and AGE formation is accelerated during cooking at high temperatures. Using data from the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial (PLCO), we assigned and quantified NƐ-carboxymethyl-lysine (CML)-AGE content in food and investigated the association between dietary AGE intake and breast cancer (BrCa) risk. We assessed whether the risk was modified by race/ethnicity, obesity status, fruit and vegetable intake, BrCa invasiveness …


The Regulation Of Skeletal Muscle Fatigue During The Progression Of Cancer Cachexia, Brandon N. Vanderveen Apr 2019

The Regulation Of Skeletal Muscle Fatigue During The Progression Of Cancer Cachexia, Brandon N. Vanderveen

Theses and Dissertations

Cachexia is the unintentional loss of body weight secondary to chronic disease and is prevalent is roughly 50% of cancer patients. The loss of body weight and skeletal muscle mass is reduced functional capacity associated with reduced life quality. The etiology of cachexia is multimodal and complex; however, cachexia has been linked to several systemic (e.g. chronic inflammation, hypogonadism, anemia, insulin resistance) and behavioral (e.g. anorexia, inactivity) changes that can compound to accelerate muscle mass and body weight loss. While several inflammatory cytokines are associated with cachexia’s disease progression, our laboratory has established that Interleukin-6 (IL-6) is a key regulator …


Association Between Diabetes And Cancer In Indian And Us Populations Using Longitudinal Study Design, Shraddha S. Vyas Jan 2017

Association Between Diabetes And Cancer In Indian And Us Populations Using Longitudinal Study Design, Shraddha S. Vyas

Theses and Dissertations

Background: There is growing evidence of association between diabetes and cancer. No studies have been conducted in India evaluating this association. With the current epidemiologic, nutritional and economic transition in India, it becomes extremely important to examine this association in an Indian population. Additionally, difference in association exists based on different cancer subtypes. Research has shown that diabetes is associated with an increased risk of colorectal cancer. However most of these studies suggest detection bias to be one of the probable reasons for this association. Additionally, the common risk factors shared by both these conditions are considered to one of …


Effects Of A Mindfulness Based Intervention On Diurnal Cortisol In Cancer Survivors, Susannah Small Jan 2017

Effects Of A Mindfulness Based Intervention On Diurnal Cortisol In Cancer Survivors, Susannah Small

Theses and Dissertations

Background. There are approximately 15.5 million individuals alive today in the U.S. with a personal history of cancer. For this large and growing population, ill effects associated with cancer diagnosis and treatment include both physical and psychosocial symptoms adversely affecting quality of life. One low-risk alternative to conventional pharmaceutical use in treating these symptoms is mindfulness practice. Research on self-reported measures provides strong evidence that this type of intervention improves quality of life for cancer survivors, but evidence of impact on objective measures is limited. Cortisol, the body’s primary stress hormone, is one relatively easy to measure indicator that …


Role Of Chronic Inflammation On Liver Function During Cachexia Progression In The ApcMin/+ Mouse Model, Aditi Narsale Aug 2014

Role Of Chronic Inflammation On Liver Function During Cachexia Progression In The ApcMin/+ Mouse Model, Aditi Narsale

Theses and Dissertations

Cachexia is a multifactorial syndrome that manifests during the advanced stage of chronic diseases and is characterized by a progressive loss of body mass sustained by underlying inflammation. The ApcMin/+ mouse is an established model of cachexia that exhibits a gradual loss of body mass correlating with increasing tumor burden and plasma IL – 6 levels. Moreover it also mimics other secondary characteristics observed in cachectic patients like splenomegaly, elevated plasma endotoxin levels, gut barrier dysfunction, hypogonadism and an overall hypermetabolic state. Liver controls the energy metabolism in the body by regulating glucose and lipid metabolism, glycogen storage, filtration of …