. 2021 Jan-Mar;15(1):41–50. doi: 10.1590/1980-57642021dn15-010004

Table 2. Protein expression in the substantia nigra and basal ganglia according to physical activity status (n=24).

	Substantia Nigra		Basal Ganglia
	Non-active (n=12)	Active (n=12)	Non-active (n=12)	Active (n=12)
Tyrosine hydroxylase	2.21±1.62	3.90±1.63	0.51±0.28	1.09±0.77
mean±SD (10⁷)^*	2.21±1.62	3.90±1.63	0.51±0.28	1.09±0.77
Microtubule-associated protein 2	1.86±1.05	1.54±0.81	1.57±0.73	0.73±0.41
mean±SD (10⁷)^*	1.86±1.05	1.54±0.81	1.57±0.73	0.73±0.41
Neurofilaments	1.07±0.43	0.58±0.24	2.53±1.32	3.28±1.43
mean±SD (10⁷)^*	1.07±0.43	0.58±0.24	2.53±1.32	3.28±1.43
Glial fibrillary acidic protein	2.44±0.83	1.69±0.70	1.99±0.60	1.09±0.54
mean±SD (107)^*	2.44±0.83	1.69±0.70	1.99±0.60	1.09±0.54

paired t-test. Data are expressed as the integrated density mean in an area of 0.58 mm².