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Electronic Theses and Dissertations

Inflammation

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Characterization Of Molecular Content, Cytotoxicity, And Anti-Inflammatory Activity Of Extractions From Eupatorium Serotinum, Jordy Sloan May 2023

Characterization Of Molecular Content, Cytotoxicity, And Anti-Inflammatory Activity Of Extractions From Eupatorium Serotinum, Jordy Sloan

Electronic Theses and Dissertations

Inflammation is a complex and varied immune response which can be expressed chronically or as a temporary reaction to foreign invaders. Symptoms of inflammation include swelling, pain, soreness, and difficulty of motion. Recently, the effect of sesquiterpene lactones such as Helenalin from Arnica montana have been studied for their anti-inflammatory properties. In this study, we identified and harvested samples of Eupatorium serotinum, a plant historically used by Native Americans to treat a variety of medical illnesses. Crude extracts of the leaves, flowers, roots, and stems were prepared by ethanol extraction. The cytotoxicity of the different extracts on HEK293 cells …


Pilot Study Exploring The Effect Of Targeted Cox-2 Inhibition In Macrophages Responding To Neuronal Injury; Promoting Enhanced Axonal Regeneration, Alyssa Brauckmann May 2020

Pilot Study Exploring The Effect Of Targeted Cox-2 Inhibition In Macrophages Responding To Neuronal Injury; Promoting Enhanced Axonal Regeneration, Alyssa Brauckmann

Electronic Theses and Dissertations

Celecoxib nanoemulsion (CXB-NE) has been developed as a macrophage targeted analgesics by Dr. Janjic and her team at Duquesne University, (Janjic et al, 2018; Liu et al, 2020; Saleem et al, 2019b; Vasudeva et al, 2014). The CXB-NE nanoemulsion carrying a Nonsteroidal Anti-inflammatory (NSAID) inhibitor of COX-2 activity result in a reduction in PGE2 expression in macrophages. Using CXB-NE in rats that have peripheral nerve injury constricting the sciatic nerve relieves hypersensitivity, a pain-like behavior. The treatment also decreases inflammation associated with this chronic constriction injury (Janjic et al, 2018; Saleem et al, 2019b; Stevens et al, 2019). In this …