Basic Study
Copyright ©The Author(s) 2022.
World J Stem Cells. Aug 26, 2022; 14(8): 633-657
Published online Aug 26, 2022. doi: 10.4252/wjsc.v14.i8.633
Table 1 Details of cardiac specific gene primers
No.
Gene primers
Primer sequences (5׳-3׳)
Product size
1GAPDH (F)GGAAAGCTGTGGCGTGATGG414
GAPDH (R)GTAGGCCATGAGGTCCACCA
2GATA4 (F)TCTCACTATGGGCACAGCAG245
GATA4 (R)CCGAGCAGGAATTTGAAGAG
3cTnT (F)TTCGACCTGCAGGAAAAGTT 206
cTnT (R)GTGCCTGGCAAGACCTAGAG
4Nkx2.5 (F)ACCGCCCCTACATTTTATCC230
Nkx2.5 (R)GACAGGTACCGCTGTTGCTT
5Connexin43 (F)GCTCCACTCTCGCCTATGTC 234
Connexin43 (R)GAGTTCATGTCCAGCAGCAA
6cMHC (F)GCAGGTGGATGATCTGGAGG 116
cMHC (R)CCATGATGCTCTCCTGGGTC
7Tbx20 (F)TGATTCTGGCCCTAGGAAAGTG100
Tbx20 (R)TGAGCCTGGGTTCTCCATAAAG
8ANF (F)CCTGCGAAGATCAAGCTGC110
ANF (R)GCTCGAGCAGATTTGGCTG
9cTnI (F)GACCTGCGTGGCAAGTTTA139
cTnI (R)CCTCCTTCTTCACCTGCTTG
10Mef2c (F)GAGATACCCACAACACACGC117
Mef2c (R)GAGTGGAATTCGTTCCGGTG
Table 2 Degrees of freedom (in vitro experiments)
Experiment
Degrees of freedom (F)
MTT assayF3,8 = 404.312
Gene expression
GATA4F3,8 = 14.883
cTnTF3,8 = 15.870
cTnIF3,8 = 34.024
Nkx2.5F3,8 = 15.901
cMHCF3,8 = 85.276
Connexin43F3,8 = 19.912
ANFF3,8 = 7.510
Tbx20F3,8 = 22.877
Mef2CF3,8 = 7.660
Protein expression
Percent positive cells
GATA4F3,8 = 26.609
cTnTF3,8 = 46.829
Nkx2.5F3,8 = 513.556
Fluorescence intensity
GATA4F3,8 = 9.696
cTnTF3,8 = 28.438
Nkx2.5F3,12 = 59.175
Table 3 Echocardiographic parameters
Groups
Duration
LVIDd (cm)
LVIDs (cm)
EF%
FS%
EDV (mL)
ESV (mL)
SV (mL)
Sham control2 wk0.41940.163993.588960.95560.072200.0667
MI + ve0.51560.372262.555628.30560.13890.050.1056
MI + scaffold0.51930.33274.446737.30670.15330.040.1133
MI + MSC-seeded scaffold0.44610.261178.840.93890.116700.0667
MI + zebularine treated MSC-seeded scaffold0.51440.297280.211142.12780.144400.1278
Sham control4 wk0.47050.19592.738959.22220.122200.1111
MI + ve0.57800.436357.330624.91940.18890.08330.1222
MI + scaffold0.470.30573.105636.32780.12220.03330.0833
MI + MSC-seeded scaffold0.57720.345578.005640.56670.21110.03890.1667
MI + zebularine treated MSC-seeded scaffold0.53380.28582.605645.66110.166700.1222
Sham control6 wk0.51830.233390.333354.86670.1500.1333
MI + ve0.70660.571646.8519.550.34440.20.1611
MI + scaffold0.54720.362270.044433.88890.16670.03890.1278
MI + MSC-seeded scaffold0.55330.328878.0540.86110.17220.03330.1444
MI + zebularine treated MSC-seeded scaffold0.55890.315681.702843.79720.177780.01670.1528
Table 4 Degrees of freedom (in vivo experiments)
Experiments
Degrees of freedom (F)
Cardiac function analysisParametersDuration, 2 wkDuration, 4 wkDuration, 6 wk
LVIDdF4,25 = 1.936F4,25 = 1.299F4,25 = 3.594
LVIDsF4,25 = 9.060F4,25 = 6.944F4,25 = 14.008
%EFF4,25 = 26.475F4,25 = 18.378F4,25 = 24.089
%FSF4,25 = 35.299F4,25 = 24.143F4,25 = 26.754
EDVF4,25 = 1.571F4,25 = 1.059F4,25 = 3.601
ESVF4,25 = 3.44F4,25 = 5.339F4,25 = 9.580
SVF4,25 = 2.305F4,25 = 0.477F4,25 = 0.262
Immunohistochemistryα-SMAF4,10 = 31.551
Cell trackingFluorescence intensities of cardiac specific proteins
cMHCF = 1.631
cTnIF = 0.882
cTnTF = 2.665
Fluorescence intensities of DiI labeled cells
cMHCF = 0.398
cTnIF = 0.089
cTnTF = 0.039