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Medicine and Health Sciences Commons

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Medical Sciences

Undergraduate Research Conference

2023

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Full-Text Articles in Medicine and Health Sciences

Antagonistic Pleiotropy In Alzheimer's Disease, Annie Hollis Mar 2023

Antagonistic Pleiotropy In Alzheimer's Disease, Annie Hollis

Undergraduate Research Conference

Apolipoprotein E (APOE) ε4 allele has been linked with Alzheimer’s disease; specifically having two copies of the APOE ε4 allele greatly increases the risk of developing Alzheimer’s disease in older age. Studies have attempted to relate an antagonistic pleiotropy hypothesis to this gene, i.e., the ε4 allele has positive effects on cognition and memory in early life and negative effects later in life. Many of these studies have had several limitations and conflicting results, such as testing adults in upper middle age or comparing the absence of the ε4 allele with the presence of at least one ε4 allele. Studies …


Phage Peptide Technology To Characterize Extracellular Vesicles In The Brain Tumors, Jadelynn Rudolf Mar 2023

Phage Peptide Technology To Characterize Extracellular Vesicles In The Brain Tumors, Jadelynn Rudolf

Undergraduate Research Conference

Extracellular vesicles (EV) are lipid-bound containers derived from the endosomal membrane network or from the extracellular membrane of cells. They can carry proteins, lipids, miRNAs, and other molecules, and may be involved in intercellular communication via membrane-associated proteins. Glioblastomas (GBM) are aggressive cancers of the brain and spinal cord derived from astrocytes. Extracellular vesicles derived from glioblastomas can make their way through the blood brain barrier and find their way to different bodily fluids, and so could serve as biomarkers for this cancer. We have isolated phage-display peptides from a commercial library of random phage-displayed peptides that will bind glioblastoma …