Also, glial and related proteins were found to be differentially upregulated in PD, such as glial fibrillary acidic protein (GFAP), glial maturation factor beta (GMFB), galectin 1 and sorcin A. Differentially expressed structural proteins comprised V-type ATPase A1 (downregulated). The gene discussed is GFAP; the disease is Parkinson disease.