Open Access. Powered by Scholars. Published by Universities.®

Chemicals and Drugs Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 2 of 2

Full-Text Articles in Chemicals and Drugs

Nicotinamide Riboside And Beta-Hydroxybutyrate Activate Parallel Pathways For C. Elegans Lifespan Extension, Mckenzie Peters May 2023

Nicotinamide Riboside And Beta-Hydroxybutyrate Activate Parallel Pathways For C. Elegans Lifespan Extension, Mckenzie Peters

Undergraduate Honors Theses

Supplementation with nicotinamide riboside (NR), a form of vitamin B3 and a precursor of nicotinamide adenine dinucleotide (NAD+) extends lifespan in the nematode C. elegans and delays aging-related pathologies in mammals. During aging, levels of NAD+ decline causing metabolic dysfunction and oxidative damage. Studies in C. elegans found that when NR was administered during larval development it induced the mitochondrial unfolded protein response (UPRmt), which is frequently associated with lifespan extension. Both calorie restriction (CR) and ketogenic diets (KD) have been shown to extend lifespan, in part through increasing NAD+ and through increasing levels …


Treatment Of Allergic Rhinitis: Diphenhydramine Vs. Fexofenadine, Lauren Setzer Jan 2023

Treatment Of Allergic Rhinitis: Diphenhydramine Vs. Fexofenadine, Lauren Setzer

Undergraduate Honors Theses

Allergic rhinitis is a growing allergic illness brought on by the inhalation of allergens, resulting in a list of symptoms, including sneezing, watery eyes, runny nose, etc. Among the many treatment options available, H1-antihistamines are a popular choice for allergic rhinitis sufferers. First-generation antihistamines were the first to hit the market and were later discovered to be lipophilic, causing blood-brain barrier penetration and cognitive impairment. Second-generation antihistamines were later developed with lipophobic properties to eliminate any form of cognitive impairment. Both generations are readily available over-the-counter in tablet form, including two commonly used ones: diphenhydramine (Benadryl®) and fexofenadine (Allegra®). These …