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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

The Role Of Brca1 Domains And Motifs In Tumor Suppression, Aneliya Velkova Jan 2011

The Role Of Brca1 Domains And Motifs In Tumor Suppression, Aneliya Velkova

Graduate Theses and Dissertations

ABSTRACT

Individuals that carry deleterious mutations in the breast and ovarian cancer susceptibility gene 1 (BRCA1) have much more elevated risk to develop breast and/or ovarian cancer than the individuals from the general population. The BRCA1 gene product has been implicated in several aspects of the DNA damage response, but its biochemical function in these processes has remained elusive. In order to probe BRCA1 functions we conducted a yeast two-hybrid screening to identify interacting partners to a conserved motif (Motif 6) in the central region of BRCA1. In this dissertation, we report the identification of the actin-binding protein Filamin ...


In Vivo Investigations Of Polymer Conjugates As Therapeutics, Elizabeth M. Henchey Jan 2011

In Vivo Investigations Of Polymer Conjugates As Therapeutics, Elizabeth M. Henchey

Masters Theses 1911 - February 2014

Polymer conjugates offer a way to introduce materials into the body that would normally be rejected or cause toxicity. Two polymers are investigated in vivo for uses in chemotherapeutic delivery, protein therapeutics, and DNA transfection. A novel polymer, polyMPC, has the ability to increase doxorubicin loading and its solubility, and is conjugated in a way to release its payload in a low pH environment. Through its conjugation, blood clearance time of doxorubicin is increased, and thus tumor exposure to the drug is increased with a single administration. It can be administered at ten times the concentration of free doxorubicin, and ...