
Credit: Sofia Encarnación | UPR Recinto de Ciencias Médicas
At the University of Puerto Rico’s Medical Sciences Campus, I ventured into a Neurobiology and Biochemistry Lab. There, I studied alcohol-induced Wnt/β-Catenin signaling and miR-9 regulation across two BK Channel isoforms: ethanol-sensitive BK Zero and ethanol-resistant BK STREX. Through Western blot and immunocytochemistry, we observed ethanol and miR-9’s differential regulation of β-Catenin abundance across these variants and quantified BK Zero membrane redistribution (a translocation that BK STREX is exempt from) to better understand the TCF/LEF-dependent transcription/gene expression. Yet, in the midst of these meticulous procedures, I realized that the most unpredictable variable in our protocols wasn’t just the microRNA: it was the power grid.
On a routine cell inventory day, while changing the cell’s medium under the hood, that reality hit when the electricity went out. All I could think was to keep my hand as stable as possible, hoping not to contaminate the pipette tip filled with DMEM medium for our cell lines. The emergency back-up batteries for our deep freezers were already wired, but I waited 5 long minutes, holding onto the pipette with my life until the power was restored.






