Table 2.
Cell counts, density and sizes in the different columns of the PAG
| Column | Cell type | Variable | Control (n=13) (mean±SEM) | MSA (n=13) (mean±SEM) |
|---|---|---|---|---|
| Ventrolateral | VGLUT-2 | Total estimated number | 27,906 ± 2,480 | 16,299 ± 1,612 |
| Density/mm3 | 1,413 ± 59 | 836 ± 114 | ||
| Size (μm2) (n=100) | 349 ± 18 | 323 ± 19 | ||
| TH | Total estimated number | 21,895 ± 2,248 | 11,348 ± 1,634 | |
| Density/mm3 | 1,006 ± 147 | 523 ± 72 | ||
| Size (μm2) (n=100) | 617 ± 61 | 709 ± 87 | ||
| Nissl (non-VGLUT-2, non-TH) | Total estimated number | 58,073 ± 7,302 | 57,165 ± 4,612 | |
| Density/mm3 | 2,266 ± 135 | 2,168 ± 201 | ||
| Size (μm2) (n=100) | 195 ± 9 | 197± 8 | ||
| Lateral | VGLUT-2 | Total estimated number | 16,078 ± 1,140 | 11,004 ± 1,401 |
| Density/mm3 | 2,266 ± 135 | 1,081 ± 159 | ||
| Size (μm2) (n=100) | 218 ± 10 | 240 ± 19 | ||
| Nissl (non-VGLUT-2) | Total estimated number | 38,283 ± 4,481 | 36,743 ± 3,700 | |
| Density/mm3 | 2,760 ± 263 | 2,384 ± 344 | ||
| Size (μm2) (n=100) | 175 ± 13 | 177 ± 6 | ||
| Dorsolateral | VGLUT-2 | Total estimated number | 14,080 ± 1,107 | 10,306 ± 1,455 |
| Density/mm3 | 1,296 ± 63 | 1,007 ± 169 | ||
| Size (μm2) (n=100) | 187 ± 14 | 200 ± 9 | ||
| NOS | Total estimated number | 27,576 ± 1,653 | 27,484 ± 2,626 | |
| Density/mm3 | 1,627 ± 182 | 1,575 ± 204 | ||
| Size (μm2) (n=100) | 202 ± 8 | 192 ± 9 | ||
| Nissl (non-VGLUT-2, non-NOS) | Total estimated number | 48,852 ± 3,996 | 47,382 ± 5,101 | |
| Density/mm3 | 2,813 ± 98 | 2,753 ± 194 | ||
| Size (μm2) (n=100) | 197 ± 14 | 188 ± 9 | ||
| Dorsomedial | VGLUT-2 | Total estimated number | 15,412 ± 1,097 | 8,847 ± 1,052 |
| Density/mm3 | 1,277 ± 74 | 796 ± 101 | ||
| Size (μm2) (n=100) | 197 ± 11 | 212 ± 10 | ||
| Nissl (non-VGLUT-2) | Total estimated number | 42,611 ± 3,142 | 48,148 ± 5,714 | |
| Density/mm3 | 2,549 ± 141 | 2,468 ± 181 | ||
| Size (μm2) (n=100) | 169 ± 18 | 175 ± 9 |
NOS=nitric oxide synthase, TH=tyrosine hydroxylase, VGLUT-2=vesicular transporter 2