Table 4.
Comparison of Regeneration Length and Rate Based on Various Parameters
| |
|
Regeneration length (μm)/rate (μm/h) |
|
|---|---|---|---|
|
Distance of transection (μm) |
|
150 |
300 |
| No. of neurons | 106 | 96 | |
| Polarity | Unipolar | 42.4±14.1*/16.7±11.8 (5) | 71.7±26.8/12.6±4 (3) |
| Multipolar | 53.3±8.8/14.3±2.7 (8) | 68.4±9.7/15.1±2.6 (11) | |
| Neurite thickness | Thin | 67/5.5 (1) | 115±10/23.6±12.4 (2) |
| Thick | 47.6±8/16.1±4.9 (12) | 61.4±8.5/13.1±1.6 (12) | |
| Bifurcation | Present | 51.2±11.5/7.4±2.4* (6) | 78.1±12.4/11±2 (7) |
| Absent | 47.3±10.5/22±7.5 (7) | 60±13/18.2±3.5 (7) | |
| Degeneration of uncut neurites | Present | 46.8±12.8/29.7±8.6* (5) | 60.6±18.3/14.1±2 (5) |
| Absent | 50.5±9.7/6.2±0.9 (8) | 73.8±10.2/14.9±3.3 (9) | |
| Growth of uncut neurites | Present | 53.6±8.8/19.7±6 (9) | 60.6±9.5/15.7±2.8 (10) |
| Absent | 39±14.5/5.2±1 (4) | 90.3±18.3/11.8±2.6 (4) | |
*
p<0.05.
Comparisons were made between two alternative forms or states of each parameter. Numbers of neurons are given in parentheses. Since only one neurite regenerated in 25-μm cut group, the related data were omitted.