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. 2011 Nov;179(5):2501–2518. doi: 10.1016/j.ajpath.2011.07.022

Table 2.

Distribution of lacZ+ Nuclei in GRMD Dog Muscles after MuStem Cell Delivery

Dog number Muscle Number of lacZ+ nuclei Tissue localization of lacZ+ nuclei
Subbasal position Centronuclear position Interstitial tissue
8 Gluteus superficialis 3205 2445 (76.3%) 320 (10.0%) 440 (13.7%)
Triceps brachii 2999 1865 (62.2%) 693 (23.1%) 441 (14.7%)
Semitendinosus 2540 1952 (76.9%) 351 (13.8%) 237 (9.3%)
Total 8744 6262 1364 1118
Percentage 71.6% 15.6% 12.8%
95% confidence interval 70.7–72.6 14.9–16.4 12.1–13.5
9 Triceps brachii 549 510 (92.9%) 38 (6.9%) 1 (0.2%)
10 Triceps brachii 641 598 (93.3%) 42 (6.5%) 1 (0.2%)
11 Triceps brachii 536 503 (93.8%) 32 (6.0%) 1 (0.2%)
Total 1726 1611 112 3
Percentage 93.3% 6.5% 0.17%
95% confidence interval 92.2–94.5 5.3–7.7 0–0.4
Dog number Muscle Number of lacZ+ nuclei Tissue localization of lacZ+ nuclei
Below plasma membrane Above basal membrane Between both membrane
12 Biceps femoris 326 238 (73.0%) 35 (10.7%) 53 (16.3%)
13 Biceps femoris 314 217 (69.1%) 43 (13.7%) 54 (17.2%)
Total 640 455 78 107
Percentage 71.1% 12.2% 16.7%
95% confidence interval 67.6–74.6 9.7–14.7 13.8–19.6
Dog number Muscle Number of lacZ+ nuclei Tissue localization of lacZ+ nuclei
Subbasal position Centronuclear position Interstitial tissue
14 Semitendinosus 127 100 (78.7%) 0 (0%) 27 (21.3%)
Gracilis 239 191 (79.9%) 0 (0%) 48 (20.1%)
15 Semitendinosus 104 67 (64.4%) 14 (13.5%) 23 (22.1%)
Gracilis 251 249 (99.2%) 0 (0%) 2 (0.8%)
Total 721 607 14 100
Percentage 84.2% 1.9% 13.9%
95% confidence interval 81.5–86.9 0.9–2.9 11.4–16.4

Tissue localization of lacZ+ nuclei was determined on several skeletal muscles of eight dogs, 4 weeks after MuStem cell injection. Six dogs received intramuscular injection (#8 to #13), whereas two others received intra-arterial delivery (#14 and #15).