Table 3.

Percentage expression of wild-type dystrophin in recipient dog muscles before and after experimental manipulations using real-time PCR


Recipient's ID no.

Before HCT (± SE)

After HCT (± SE)

After G-CSF (± SE)

Muscle fiber transplants (± SE)

Adjacent 0 (± SE)

Adjacent 1 (± SE)

Adjacent 2 (± SE)
G121   0.01 (0.01)   < 0.01   NA   ND   ND   ND   ND  
G122   < 0.01   0.03 (0.04)   NA   ND   ND   ND   ND  
G125   0.05 (0.08)   0.21 (0.25)   NA   ND   ND   ND   ND  
G019   0.03 (0.05)   0.15 (0.04)   0.39 (0.17)   ND   ND   ND   ND  
G123   0.03 (0.03)   0.03 (0.03)   0.12 (0.04)   0.19 (0.30)   ND   ND   ND  
G141   0.69 (0.36)   0.02 (0.03)   0.03 (0.02)   20.67 (5.1)*  0.08 (0.05)   0.16 (0.04)   6.10 (2.8)* 
G142
 
0.03 (0.02)
 
0.05 (0.08)
 
0.02 (0.01)
 
0.02 (0.03)
 
1.9 (0.68)*
 
0.02 (0.06)
 
< 0.01
 

Recipient's ID no.

Before HCT (± SE)

After HCT (± SE)

After G-CSF (± SE)

Muscle fiber transplants (± SE)

Adjacent 0 (± SE)

Adjacent 1 (± SE)

Adjacent 2 (± SE)
G121   0.01 (0.01)   < 0.01   NA   ND   ND   ND   ND  
G122   < 0.01   0.03 (0.04)   NA   ND   ND   ND   ND  
G125   0.05 (0.08)   0.21 (0.25)   NA   ND   ND   ND   ND  
G019   0.03 (0.05)   0.15 (0.04)   0.39 (0.17)   ND   ND   ND   ND  
G123   0.03 (0.03)   0.03 (0.03)   0.12 (0.04)   0.19 (0.30)   ND   ND   ND  
G141   0.69 (0.36)   0.02 (0.03)   0.03 (0.02)   20.67 (5.1)*  0.08 (0.05)   0.16 (0.04)   6.10 (2.8)* 
G142
 
0.03 (0.02)
 
0.05 (0.08)
 
0.02 (0.01)
 
0.02 (0.03)
 
1.9 (0.68)*
 
0.02 (0.06)
 
< 0.01
 

Muscle fiber transplants refer to muscle biopsy samples taken from original marrow donors and implanted into muscle of HC transplant recipients; adjacent 0, 1 and 2 refer to successive sections of recipient muscle taken distal from the site of the muscle fiber transplant.

For before HCT/after HCT, P = .6; before HCT/after G-CSF, P = .7; and after HCT/after G-CSF, P = .3. All P values reflect the average of all dogs.

HCT indicates hematopoietic cell transplantation; G-CSF, granulocyte colony stimulating factor; NA, not applicable; ND, not determined.

‡ The number of wild-type dystrophin mRNA molecules (those containing the exon 6/exon 7 splice junction) was first standardized relative to GAPDH mRNA molecules in the same samples and then expressed as a percentage relative to dystrophin expression in a wild-type dog (100%).

*

Statistically significant difference between sample and pre-HCT sample

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