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Study Information
Study Attribute Value
CEBS Accession Number: 002-01364-0007-0000-3
Chemical Name: 2-Naphthylamine
CASRN: 91-59-8
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 080086_SCE
Study Result: Positive


Table Instructions and Notes:

Below are the detailed Sister Chromatid Exchange data. You may also view the summary data for this study.


Detailed Sister Chromatid Exchange Data (Trial 2)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
12/02/1987 Bone Marrow 42 Male Mouse B6C3F1 IP/IJ x 1,  42 hour Positive

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Dimethyl Sulfoxide
 0         
6970 25 5.84 ± 0.501
    6981 25 5.10 ± 0.334
    6993 25 5.43 ± 0.490
    7004 25 6.32 ± 0.464
Average   5.67 ± 0.264
 
Test Chemical 2-Naphthylamine
87.5       
6967 25 4.45 ± 0.337
    6968 24 6.48 ± 0.390
    6975 25 6.51 ± 0.523
    6985 25 4.57 ± 0.400
Average   5.49 ± 0.573
 
Test Chemical 2-Naphthylamine
175         
6965 25 5.59 ± 0.431
    6966 25 10.42 ± 0.958
    6980 25 6.23 ± 0.572
    6984 25 7.14 ± 0.702
Average   7.34 ± 1.072
 
Test Chemical 2-Naphthylamine
350         
6962 24 5.61 ± 0.329
    6963 25 6.86 ± 0.685
    6972 25 8.63 ± 0.913
    6974 25 9.15 ± 0.788
    6979 25 7.43 ± 0.523
    6982 25 8.19 ± 0.662
    6986 25 11.98 ± 0.993
Average   8.27 ± 0.762
 
Positive Control Dimethylbenzanthracene
2.5       
6969 25 12.86 ± 0.989
    6971 25 14.93 ± 1.189
    6983 25 9.39 ± 0.548
    7000 25 13.59 ± 0.942
Average   12.70 ± 1.181
 

Footnotes:
IP/IJ: Intraperitoneal Injection
n: Number of animals analyzed