Journal: Cancer discovery
Article Title: Limited Environmental Serine and Glycine Confer Brain Metastasis Sensitivity to PHGDH Inhibition
doi: 10.1158/2159-8290.CD-19-1228
Figure Lengend Snippet: (A) Fractional labeling of intracellular U-13C-glucose-derived m+3 serine from aggressive or indolent brain metastatic cells grown in Plasma, CSF, or -Ser/-Gly media. (B) Proliferative capacity of aggressive or indolent TNBC BrM cells grown in Plasma, CSF, or -Ser/-Gly media. (C) Fractional labeling of intracellular U-13C-glucose-derived serine from aggressive brain-trophic cell lines expressing a control shRNA (shCtrl) or PHGDH shRNA (shPHGDH #1 or shPHGDH #2) (D) Proliferative capacity of aggressive TNBC BrM cells expressing a control shRNA (shCtrl) or PHGDH shRNA (shPHGDH #1 or shPHGDH #2). (E) Fractional labeling of intracellular U-13C-glucose -derived serine in aggressive TNBC BrM cells with a PHGDH shRNA (shPHGDH #2) expressing either an empty vector (EV) control, catalytically active or catalytically inactive, shRNA-resistant PHGDH. (F) Proliferative capacity of PHGDH knockdown aggressive TNBC BrM cells with a PHGDH shRNA (shPHGDH #2) expressing either an empty vector (EV) control, catalytically active or catalytically inactive, shRNA-resistant PHGDH. Cell proliferation data was monitored over 4-6 days using an Incucyte or Multisizer Coulter Counter. Error bars represent standard deviations.
Article Snippet: Catalytically inactive PHGDH constructs are available from Addgene as follows: pCW-codon optimized catalytically inactive PHGDH (154903) and pMXS-catalytically inactive PHGDH (154906).
Techniques: Labeling, Derivative Assay, Clinical Proteomics, Expressing, Control, shRNA, Plasmid Preparation, Knockdown