Different types of intermediate filaments and their movements
Cytoplasmic intermediate filament type | Protein studied | Cell type | Structural form observed | Published results | n= | Time moving (%) | Time pausing (%) | Antero movements (%) | Retro movements (%) | Average antero motility (mm/sec) | Range antero (μm/sec) | Average retro motility (μm/sec) | Range retro (μm/sec) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Type I | Keratin 13 | AK13-1 | Particles (dots) | Windoffer and Leube, 1999 | Mostly Retro | 0.002-0.008 | 0.002-0.008 | ||||||
Keratin 18 | PtK2 | Squiggles | Yoon et al., 2001 | 37 | 18* | 82 | 16 | 84 | 0.004±0.03 | 0.002-0.01 | 0.004±0.03 | 0.002-0.01 | |
Type II | Keratin 5 | NEB-1 | Particles | Liovic et al., 2003 | 16 | >0.1 | >0.1 | ||||||
Keratin 8 | PtK2 | Filaments | Yoon et al., 2001 | 14 | 0.001±3.33E-05 | 0.001±3.33E-05 | |||||||
Type III | Vimentin | BHK-21 | Particles | Helfand et al., 2003 | 53 | 45 | 55 | 66 | 34 | 0.39±0.24 | 0.08-1.65 | 0.43±0.26 | 0.08-1.40 |
Squiggles | Yoon et al., 1998 | 32 | 97 | 3 | 0.06±0.03 | 0.02-0.19 | 0.06±0.03 | 0.02-0.19 | |||||
Filaments | Yoon et al., 1998 | 23 | 0.004±0.002 | 0.004±0.002 | |||||||||
Vimentin | PtK2 | Squiggles | Yoon et al., 2001 | 32 | 70 | 30 | 0.06±0.04 | 0.006-0.15 | 0.06±0.04 | 0.006-0.15 | |||
Filaments | Yoon et al., 2001 | 29 | 0.15±0.11 | 0.15±0.11 | |||||||||
Vimentin | 3T3 | Squiggles | Martys et al., 1999 | 0.25 | 0.25 | ||||||||
Peripherin | PC12 | Particles | Helfand et al., 2003 | 77 | 75 | 25 | 65 | 35 | 0.33±0.24 | 0.08-1.45 | 0.30±0.20 | 0.08-1.54 | |
Squiggles | Helfand et al., 2003 | 50 | 70 | 30 | 62 | 38 | 0.31±0.29 | 0.08-1.21 | 0.30±0.28 | 0.08-1.00 | |||
Type IV | NF-M | Rat sympathetic neurons | Short filaments | Wang et al., 2000 | 69 | 27 | 73 | 83 | 17 | 0.38 | 0.02-1.21 | 0.49 | 0.15-1.82 |
NF-M | Rat sympathetic neurons | Short filaments | Wang et al., 2001 | 69 | 33 | 67 | 69 | 31 | 0.56 | 0.15-1.26 | 0.62 | 0.17-1.35 | |
NF-M | Rat sympathetic neurons | Particles | Wang et al., 2001 | 17 | 56 | 44 | 22 | 88 | 0.08 | 0.06-0.10 | 0.32 | 0.13-0.60 | |
NF-M | NB2a/d1 | Particles | Yabe et al., 1999 | >80% | <20% | 0.025±0.005 | |||||||
NF-H | Rat sympathetic neurons | Short filaments | Roy et al., 2000 | 73 | 20 | 80 | 71 | 29 | 0.67 | 0.14-1.7 | 0.57 | 0.11-1.4 | |
NF-L, NF-M, NF-H | Purified bovine spinal cordrrrr | Short filaments | Shah et al., 2000 | 0.27 | ∼0.1-0.85 | 0.29 | ∼0.1-1 | ||||||
NF-L, NF-M, NF-H | Axoplasm from Loligo pealei | Particles | Prahlad et al., 2000 | 10 | 0.5-1.0 | 0.5-1.0 |