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Gene type
Protocols
Patients
Number
%
Number
%
Antibody
3
0.6
7
0.2
Antigen
66
12.4
725
21.1
Antisense
5
0.9
5
0.1
Cytokine
96
18.0
519
15.1
Deficiency
63
11.8
293
8.5
Drug resistance
17
3.2
55
1.6
Hormone
1
0.2
N/C
N/C
Marker
38
7.1
262
7.6
Transdominant
2
0.4
N/C
N/C
Oncogene regulator
1
0.2
N/C
N/C
Receptor
23
4.3
107
3.1
Ribozyme
4
0.8
15
0.4
Suicide
52
9.8
567
16.5
Tumor suppressor
44
8.3
290
8.4
Others
31
5.8
90
2.6
Multiple genes
83
15.6
497
14.5
N/C
3
0.6
4
0.1
Total
532
100
3436
100