Journal: PLoS ONE
Article Title: The Use of Wavelength Modulated Raman Spectroscopy in Label-Free Identification of T Lymphocyte Subsets, Natural Killer Cells and Dendritic Cells
doi: 10.1371/journal.pone.0125158
Figure Lengend Snippet: (a) CD4 staining of isolated CD4 + T cells. (b) IL-2 ELISA of CD4 + T cells stimulated with or without anti-CD3/CD28 beads. (c) CD8 staining or isolated CD8 + T cells. (d) IFNγ ELISPOT assay of PBMC and purified CD8 + T cells incubated with and without EBV derived peptide AVFDRKSDAK. (e) CD56 staining of isolated NK cells. (f) NK cell degranulation assay—CD107a staining of NK cells incubated without (left panel) or with (right panel) MHC class I deficient. 221 cells at a 10:1 effector to target ratio. (g) CD303 staining of isolated pDC. (h) CD1c staining of isolated mDC. The x-axis in each flow cytometry plot indicates fluorescent intensity. The left hand peak in each flow cytometry plot indicates control staining with an irrelevant antibody. Representative white-light microscopy images of each of the purified cell populations used in Raman spectroscopy experiments are also shown.
Article Snippet: Cells were isolated using Dynabeads (Life Technologies) untouched human CD4 T cell kit (depleting antibodies comprising anti-CD8, CD14, CD16a, CD16b, CD19, CD36, CD56, CD123 and CD235a), Dynabeads untouched human CD8 T cell kit (depleting antibodies comprising anti-CD4, CD14, CD16a, Cd16b, CD19, CD36, CD56, CD123 and CD235a), Dynabeads untouched human NK cell kit (depleting antibodies comprising anti-CD3, CD14, CD36, HLA Class II, CD123 and CD235a).
Techniques: Staining, Isolation, Enzyme-linked Immunosorbent Assay, Enzyme-linked Immunospot, Purification, Incubation, Derivative Assay, Degranulation Assay, Flow Cytometry, Light Microscopy, Raman Spectroscopy