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Molecular, Genetic, and Biochemical Nutrition Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Molecular, Genetic, and Biochemical Nutrition
Influences Of High-Fat Diet And Antrodia Camphorata In Early Life On Intestinal Tumorigensis Later In Life, Ting-Chun Lin
Influences Of High-Fat Diet And Antrodia Camphorata In Early Life On Intestinal Tumorigensis Later In Life, Ting-Chun Lin
Doctoral Dissertations
Young-onset colorectal cancer (CRC) is a growing public health concern globally due to the increasing prevalence of westernized lifestyles during childhood and adolescence. Meanwhile, there have been reports of health-promoting effects, such as anti-inflammatory and anti-cancer properties, associated with Antrodia camphorata (AC), a unique fungus native to Taiwan. This study aimed to investigate the impact of early-life high-fat diet (HF) and AC supplementation on intestinal tumorigenesis in young adulthood, using APC1638N mice. Additionally, the study aimed to determine the role of Turicibacter, a probiotic negatively associated with diet-induced obesity, in colorectal tumorigenesis, and to explore the anti-cancer mechanism …
Retinoic Acid, Insulin, And Cycloheximide Alter Glycogen Homeostasis In Differentiating L6 Myoblasts, Aaron Armstrong
Retinoic Acid, Insulin, And Cycloheximide Alter Glycogen Homeostasis In Differentiating L6 Myoblasts, Aaron Armstrong
Doctoral Dissertations
Glycogen synthesis in skeletal muscle (SM) is responsible for the majority of post-prandial glucose disposal in healthy individuals. In type 2 diabetes mellitus (T2DM), compromised skeletal muscle glycogen synthesis contributes to hyperglycemia. L6 rat SM cells can develop insulin resistance with prolonged insulin stimulation and provide an in vitro model for mechanistic dysfunction in glycogen homeostasis. SM glycogen is synthesized by glycogen synthase (GS) in response to insulin stimulation. Canonically, insulin signaling increases GS activity through inhibition of its Ser641 regulator glycogen synthase kinase-3β (GSK3β) by protein kinase B (AKT). Proximal insulin signaling activates AKT via Ser473 phosphorylation which proceeds …
The Protective Effects Of Anthocyanins On Neurons, Abigail Lynn
The Protective Effects Of Anthocyanins On Neurons, Abigail Lynn
Pence-Boyce STEM Student Scholarship
Parkinson’s and Alzheimer’s are debilitating neurodegenerative diseases that are largely thought to be exacerbated, and perhaps even caused, by oxidative stress in and around neurons. At the same time, there has been increased research in the field of nutrition and how the foods we eat impact our short- and long-term health. These combined interests have resulted in fascinating studies that have found certain foods, namely plants, can have a variety of medicinal benefits.....The purpose of this study is to determine if plant extracts that have high levels of certain phytonutrients can increase the activity of cellular enzymes that reduce oxidative …
Determining The Effects Of Maternal Adiposity On Preterm Neonatal Microbiome And Short Chain Fatty Acid Profiles, Dalton James, William A. Clark Phd, Kristy L. Thomas
Determining The Effects Of Maternal Adiposity On Preterm Neonatal Microbiome And Short Chain Fatty Acid Profiles, Dalton James, William A. Clark Phd, Kristy L. Thomas
Undergraduate Honors Theses
The gut microbiota and its metabolites have vast impacts on the human digestive system, immune system, and health outcomes. Short chain volatile fatty acids (SCVFAs) present in feces can be representative of the interactions of the microbiota present in the gut. Low microbiota diversity in the human gut is highly associated with obesity and adverse health outcomes. Furthermore, the maternal microbiome has a direct impact on neonatal microbiota through various pathways such as environment, skin flora, breast milk composition, and vaginal secretions. This study is aimed to further understand the associations between various factors (maternal adiposity, gestational time, length of …
Bifidobacterial Metabolism Of Fucosylated Human Milk Oligosaccharides Influences Structure And Function Of The Infant Gut Microbiome, Liv R. Dedon
Doctoral Dissertations
Human milk contains human milk oligosaccharides (HMOs) that are indigestible and pass intact through the infant gastrointestinal tract where they are available for microbial metabolism. HMOs incorporate the same monosaccharide building blocks but vary structurally in primary sequence of monomeric components. Primary sequences are further diversified by degree of polymerization, branching, and secondary modifications such as fucosylation. Fucosylated HMOs (fHMOs) are highly abundant and can account for over 30% of total HMOs. Infant-colonizing Bifidobacterium longum subsp. infantis (B. infantis) possesses a specialized gene cluster conveying the ability to metabolize fHMOs. This study presents an in-depth analysis of B. …
Gut Microbial Metabolite Indole: A Stimulator Of Enteroendocrine Cell Differentiation Via Activation Of Aryl Hydrocarbon Receptor, James Hart
Theses, Dissertations and Capstones
Enteroendocrine cells (EECs) regulate energy balance and glucose homeostasis by releasing hormones in response to food intake. Dysregulated EEC differentiation is observed in obesity, while gut microbiota metabolites influence this process. Here, we investigated the role of indole, a biologically active gut microbial metabolite, in EEC differentiation through aryl hydrocarbon receptor (AhR) activation. Human intestinal organoids derived from jejunal mucosal biopsies were exposed to indole. Indole treatment significantly increased mRNA levels of chromogranin A, an EEC marker. The effect was reversed by an AhR antagonist, indicating AhR involvement. Indole also upregulated AhR target gene mRNA levels. These findings highlight the …
Alzheimer’S Disease Genetics And Short-Chain Fatty Acid Treatment In Studies Of The Murine Gut Microbiome, Diana Zajac
Alzheimer’S Disease Genetics And Short-Chain Fatty Acid Treatment In Studies Of The Murine Gut Microbiome, Diana Zajac
Theses and Dissertations--Physiology
Elucidating the relationship of the gut microbiome in Alzheimer's Disease (AD) risk and pathogenesis is an area of intense interest. Since 60 to 80% of AD risk is related to genetics and APOE alleles represent the most impactful genetic risk factors for AD, their mechanism(s) of action are under intense scrutiny.
First, I conducted a study on APOE targeted replacement mice to investigate the impact of APOE alleles on the murine gut microbiome. The relative abundance of bacteria from the family Ruminococacceae and related genera increased with APOE2 status. The relative abundance of the class Erysipelotrichia increased with APOE4 status, …