The article titled “PPARs in Human Neuroepithelial Tumors: PPAR Ligands as Anticancer Therapies for the Most Common Human Neuroepithelial Tumors” [1] was found to contain material in Sections 1, 2, and 3 from published work and to have missing attributions and errors in citations. The articles are as follows:(i)M. T. Heneka and G. E. Landreth, “PPARs in the brain,” Biochimica et Biophysica Acta, vol. 1771, no. 8, pp. 1031–1045, 2007. [2] (Cited as reference [36]).(ii)Lars Tatenhorst, Eric Hahnen, and Michael T. Heneka, “Peroxisome Proliferator-Activated Receptors (PPARs) as Potential Inducers of Antineoplastic Effects in CNS Tumors,” PPAR Research, vol. 2008, Article ID 204514, 9 pages, 2008. [3] (not cited).(iii)Markus P. Kummer and Michael T. Heneka, “PPARs in Alzheimer’s Disease,” PPAR Research, vol. 2008, Article ID 403896, 8 pages, 2008. [4] (not cited).(iv)J. N. Feige, L. Gelman, L. Michalik, B. Desvergne, and W. Wahli, “From molecular action to physiological outputs: peroxisome proliferator-activated receptors are nuclear receptors at the crossroads of key cellular functions,” Progress in Lipid Research, vol. 45, no. 2, pp. 120–159, 2006. [5] (cited as reference [30]).(v)A. Cimini, E. Benedetti, L. Cristiano et al., “Expression of peroxisome proliferator-activated receptors (PPARs) and retinoic acid receptors (RXRs) in rat cortical neurons,” Neuroscience, vol. 130, no. 2, pp. 325–337, 2005. [6] (cited as reference [81]).