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Articles 1 - 3 of 3
Full-Text Articles in Chemicals and Drugs
Determining The Antibacterial Activity And Mode Of Action Of Tirandamycin, Hailey Bouchard
Determining The Antibacterial Activity And Mode Of Action Of Tirandamycin, Hailey Bouchard
CMC Senior Theses
Tirandamycin is a small molecule natural product that has been isolated from various species of marine and terrestrial Streptomyces. The natural product has shown antibacterial activity against an array of Gram-positive and Gram-negative bacteria, showing promise as a pharmaceutical drug. Tirandamycin has 14 known derivatives, many of which have been created synthetically. Some of its derivatives are particularly potent against the high-risk bacteria vancomycin-resistant Enterococcus faecium, Staphylococcus aureus, Streptococcus agalactiae, Streptococcus pneumoniae and Escherichia coli. However, the antibacterial potency of these derivatives has not been tested systematically leading to the possibility of discovering more potent …
Identification Of Imiquimod As A Potential Combination For Anti-Cd47 Antibodies In Cancer Therapy, Nicole Brittaney Pang
Identification Of Imiquimod As A Potential Combination For Anti-Cd47 Antibodies In Cancer Therapy, Nicole Brittaney Pang
Scripps Senior Theses
The avenues of targeted immunotherapy offers a promise of less toxic treatment options for those battling different forms of cancer. Specifically, the process of hijacking a patient’s own immune system to fight cancer from within versus using external treatments like chemotherapy which is extremely damaging to the patient. One such avenue includes the usage of monoclonal antibodies as an effective modality for immunotherapy. Cluster of Differentiation 47 (CD47), also known as the ‘don’t eat me signal’, aids in cell proliferation and evasion of phagocytosis and has been found to be a target for stopping tumorigenesis. Previous research has been successful …
Antifungal Defense Molecules From Bacterial Symbionts Of North American Trachymyrmex Ants, Georgia Scherer
Antifungal Defense Molecules From Bacterial Symbionts Of North American Trachymyrmex Ants, Georgia Scherer
CMC Senior Theses
Defensive symbioses, in which microbes provide molecular defenses for an animal host, hold great potential as untapped sources of therapeutically useful antibiotics. Fungus-growing ants use antifungal defenses from bacterial symbionts to suppress pathogenic fungi in their nests. Preliminary chemical investigations of symbiotic bacteria from this large family of ants have uncovered novel antifungal molecules with therapeutic potential, such as dentigerumycin and selvamicin.
In this study, the bacterial symbionts of North American Trachymyrmex fungus-growing ants are investigated for antifungal molecules. Plate-based bioassays using ecologically-relevant fungal pathogens confirmed that these bacteria have antifungal activity. In order to purify and identify the antifungal …