Table 5. Comparison of infarct parameters and of left ventricular remodelling at day 28 after myocardial infarction in mice without and with prior irradiation and bone marrow transplantation.
No prior bone marrow transplantation |
Prior bone marrow transplantation |
|||
---|---|---|---|---|
Control MI (n=16) | AdA-I MI (n=16) | Control MI (n=16) | AdA-I MI (n=14) | |
Infarct area (mm2) | 3.06±0.16 | 2.84±0.26 | 2.44±0.17§ | 2.05±0.17§ |
Infarct length (μm) | 9750±580 | 7430±800* | 5000±280§§§§ | 4220±250§§* |
Infarct thickness (μm) | 270±12 | 379±25*** | 590±24§§§§ | 613±17§§§§ |
Whole left ventricular area (mm2) | 26.3±1.5 | 23.0±0.9 | 19.2±0.5§§§ | 17.5±0.5§§§§* |
Left ventricular cavity area (mm2) | 16.2±1.5 | 11.7±1.3* | 7.30±0.58§§§§ | 5.98±0.40§§§ |
Left ventricular muscle area (mm2) | 7.08±0.60 | 8.49±0.65 | 9.44±0.36§§ | 9.46±0.32 |
Septal wall thickness (μm) | 1060±30 | 1240±60 | 1100±30 | 1150±40 |
Cardiomyocyte cross-sectional area (μm2) | 405±16 | 399±17 | 293±12§§§§ | 282±12§§§§ |
Capillary density (number mm−2) | 4140±270 | 4620±290 | 3380±180§ | 3550±170§§ |
Abbreviation: MI, myocardial infarction.
Data are expressed as means±s.e.m. *P<0.05; ***P<0.001 for control MI versus AdA-I MI. §P<0.05; §§P<0.01; §§§P<0.001; §§§§P<0.0001 for prior bone marrow transplantation groups versus respective no prior bone marrow transplantation groups.