Using Raman Spectroscopy to Tell Drug‑Sensitive from Resistant Myeloma Cells
A label‑free, single‑cell approach tested in multiple myeloma cell lines
Using Raman Spectroscopy to Tell Drug‑Sensitive from Resistant Myeloma Cells
A label‑free, single‑cell approach tested in multiple myeloma cell lines
Can vibrational fingerprints reveal drug resistance in cancer cells? This study evaluates micro‑Raman spectroscopy as a noninvasive method to distinguish sensitive and resistant myeloma phenotypes in vitro.
Original article: Raman spectroscopy differentiates between sensitive and resistant multiple myeloma cell lines, 10.1016/j.saa.2017.06.020, https://www.sciencedirect.com/science/article/abs/pii/S1386142517304912
Q&A What does Raman spectroscopy measure here? Cellular biomolecular composition via characteristic vibrational peaks. How are cells classified? By multivariate analysis (PCA) of single‑cell Raman spectra.
Key results • Clear spectral differences between sensitive and resistant cells • Peaks reflect DNA/RNA ratio and macromolecular composition • Robust clustering achieved with two PCA components • Consistent performance across two myeloma models in vitro
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