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. 2011 Sep 19;27(21):3029–3035. doi: 10.1093/bioinformatics/btr522

Table 1.

Locations in parts per million (ppm) of the most important peaks identified by the first seven sparse non-negative GPCA loadings

Peak location (ppm) Cell types Metabolites
0.96 Neuron, microglia
1.19 Microglia, neuron
1.28 Neural stem cell, ogliodendrocyte Lipid moiety
1.48 Ogliodendrocyte
2.02 Neuron NAA
2.65 Astrocyte
3.01 Neuron
3.04 Ogliodendrocyte Creatine
3.23 Ogliodendrocyte, neuron, astrocyte Choline
3.43 Ogliodendrocyte
3.66 Microglia

Boldfaced locations denote peaks with especially strong signals as indicated by the loading vectors. Information on which cell types exhibited the highest intensity as well as metabolites that have previously been identified at the locations is also given.