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University of South Carolina

Theses/Dissertations

Prevention

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Full-Text Articles in Pharmacy and Pharmaceutical Sciences

Targeting Of Mediator Kinases For Cancer Therapy And Resistance Prevention, Zachary Thomas Mack Apr 2023

Targeting Of Mediator Kinases For Cancer Therapy And Resistance Prevention, Zachary Thomas Mack

Theses and Dissertations

Estrogen receptor (ER)-positive breast cancers make up 70% of all breast cancer incidences in the US. Cell cycle progression of ER-positive breast cancer is highly dependent on cyclin-dependent kinases (CDK) 4 and 6, the G1/S checkpoint kinases. Inhibitors of CDK4/6 have become a major addition to the clinical arsenal against ER-positive breast cancers. CDK4/6 inhibitor palbociclib (IBRANCETM) has been approved for the treatment of ER-positive breast cancers. However, palbociclib treatment eventually fails due to the development of resistance. Laboratory studies revealed several diverse mechanisms of palbociclib resistance, making universal re-sensitization difficult to achieve. However, prevention of the adaptive process that …


Chlor-Amidine, A Novel Pad Inhibitor, As An Effective Drug For The Treatment Of Ulcerative Colitis And Prevention Of Colorectal Cancer, Erin Witalison Jun 2016

Chlor-Amidine, A Novel Pad Inhibitor, As An Effective Drug For The Treatment Of Ulcerative Colitis And Prevention Of Colorectal Cancer, Erin Witalison

Theses and Dissertations

Ulcerative colitis (UC) is a chronic inflammatory bowel disease that affects the quality of life of millions of patients worldwide. This disease is associated with inflammation and ulceration of the colonic epithelium, leading to an increased risk for the development of UC-associated colorectal cancer (CRC). Current UC medications are designed to manage the symptoms and induce remission; however, several challenges are faced with current treatment options. 5-aminosalicyclic acid and corticosteroids have few side effects, but have limited efficacy and often the disease becomes refractory. Biologics are introduced after initial treatments fail, but serious side effects are often associated with these …