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Full-Text Articles in Molecular Biology

Engineering Bioluminescent Sensors Of Cyclic Amp To Study Opioid Signaling, Alexander L. Tesmer, Alexander R. French, Mathew Tantama Aug 2018

Engineering Bioluminescent Sensors Of Cyclic Amp To Study Opioid Signaling, Alexander L. Tesmer, Alexander R. French, Mathew Tantama

The Summer Undergraduate Research Fellowship (SURF) Symposium

Opioids are small signaling molecules which bind to opioid receptors on the surface of cells. The kappa opioid receptor (KOR) is one of three major types of opioid receptors found in human neurons. When an opioid binds to a KOR, a variety of biochemical signaling pathways are activated inside the cell. Each of these pathways are associated with different physiological effects of KOR activation. The production of a small signaling molecule, cyclic adenosine monophosphate (cAMP), is known to be inhibited during KOR activation of the analgesic (pain-killing) signaling pathway. The ability to interrogate the individual responses of KOR signaling pathways …


Fluorescent Protein Biosensor For Use In Parkinson's Research, Piper R. Miller, Keelan Trull, Mathew Tantama Aug 2017

Fluorescent Protein Biosensor For Use In Parkinson's Research, Piper R. Miller, Keelan Trull, Mathew Tantama

The Summer Undergraduate Research Fellowship (SURF) Symposium

Purinergic signaling is a type of extracellular communication that occurs between cells, mediated by adenosine triphosphate (ATP), adenosine diphosphate (ADP), and adenosine. In Parkinson’s Disease, purinergic signaling is disrupted, which contributes to neurodegeneration. In order to monitor this change in cell-to-cell signaling, there is a need for the development of a fluorescent protein (FP) biosensor to study the changes in the concentration of the signaling molecule ATP and its decomposition bioproduct ADP. This summer a genetically encoded ADP sensor that measures changes in ADP concentration was developed. This sensor utilizes Forster Resonance Energy Transfer (FRET) which is a sensing technique …