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Study Information
Study Attribute Value
CEBS Accession Number: 002-02857-0010-0000-5
Chemical Name: Sulfapyridine
CASRN: 144-83-2
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: A49990_CA
Study Result: Negative (Nonstandard Protocol)


Table Instructions and Notes:

Below are the detailed Chromosome Abberation data. You may also view the summary data for this study.


Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Result
01/16/1992 Bone Marrow 24 Male Mouse B6C3F1 Gavage x 1/study, 24 hour Negative (Nonstandard Protocol)

  Dose
(mg/kg)
Animal
Number
No.
Cells
Chromatid Isochromatid Exchanges Aberrations
Breaks Gaps Breaks Gaps 'Tid 'Some Other Total Per Cell % Cells w/ Abs
(+ Gaps) (- Gaps) (+ Gaps) (- Gaps)
Positive Control Dimethylbenzanthracene
150         
287015 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287023 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287045 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287048 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287075 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287092 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287144 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287152 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287156 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287161 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
Average         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.00
± SEM                         0.00 0.00 0.00 0.00
 
Test Chemical Sulfapyridine
500         
287001 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287016 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287029 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287035 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287039 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287097 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287108 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287140 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287150 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287178 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
Average         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.00
± SEM                         0.00 0.00 0.00 0.00
 
Test Chemical Sulfapyridine
1000         
287006 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287020 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287022 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287037 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287062 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287066 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287077 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287114 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287135 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287168 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
Average         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.00
± SEM                         0.00 0.00 0.00 0.00
 
Test Chemical Sulfapyridine
2000         
287005 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287056 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287083 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287086 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287090 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287124 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287132 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287145 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287154 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287164 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
Average         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.00
± SEM                         0.00 0.00 0.00 0.00
 
Vehicle Control No Stressor
 0         
287004 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287008 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287055 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287061 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287106 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287122 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287128 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287146 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287165 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    287167 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
Average         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.00
± SEM                         0.00 0.00 0.00 0.00
 
Footnotes:
CRO: Corn Oil
DMBA: Dimethylbenzanthracene
IP/IJ: Intraperitoneal injection
INHAL: Inhalation