| 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 |
|---|---|---|---|---|---|---|---|
| 12/22/1992 | Bone Marrow | 17 | Male | Mouse | B6C3F1 | Gavage x 1/study, 17 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 |
100 |
337084 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 337088 | 50 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 6 | 0.12 | 0.08 | 10.00 | 8.00 | |||
| 337094 | 50 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.00 | 4.00 | 0.00 | |||
| 337110 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337113 | 50 | 4 | 1 | 0 | 0 | 0 | 2 | 0 | 7 | 0.14 | 0.12 | 16.00 | 16.00 | |||
| 337114 | 50 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.00 | 2.00 | 0.00 | |||
| 337116 | 50 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.00 | 4.00 | 0.00 | |||
| 337118 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337121 | 50 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.04 | 0.00 | 4.00 | |||
| 337128 | 50 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0.04 | 0.02 | 4.00 | 2.00 | |||
| Average | 1.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.5 | 0.0 | 2.8 | 0.06 | 0.03 | 5.00 | 3.75 | ||||
| ± SEM | 0.02 | 0.02 | 1.93 | 2.02 | ||||||||||||
| Test Chemical | Sulfapyridine |
500 |
337077 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 337099 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337100 | 50 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0.06 | 0.02 | 6.00 | 2.00 | |||
| 337101 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337106 | 50 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.02 | 4.00 | 2.00 | |||
| 337107 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337109 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337120 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337125 | 50 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0.06 | 0.04 | 6.00 | 4.00 | |||
| 337130 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| Average | 0.5 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.02 | 0.01 | 2.00 | 1.00 | ||||
| ± SEM | 0.01 | 0.01 | 1.00 | 0.53 | ||||||||||||
| Test Chemical | Sulfapyridine |
1000 |
337080 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 337082 | 50 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.00 | 2.00 | 0.00 | |||
| 337087 | 50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.02 | 0.00 | 2.00 | |||
| 337089 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337091 | 50 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.00 | 2.00 | 0.00 | |||
| 337098 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337103 | 50 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.02 | 4.00 | 2.00 | |||
| 337111 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337115 | 50 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.00 | 2.00 | 0.00 | |||
| 337117 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| Average | 0.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.8 | 0.02 | 0.01 | 1.25 | 0.50 | ||||
| ± SEM | 0.01 | 0.00 | 0.53 | 0.33 | ||||||||||||
| Test Chemical | Sulfapyridine |
2000 |
337079 | 50 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0.06 | 0.02 | 4.00 | 2.00 |
| 337081 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337090 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337102 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337112 | 50 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.00 | 2.00 | 0.00 | |||
| 337119 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337122 | 50 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.00 | 4.00 | 0.00 | |||
| 337124 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337127 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| Average | 0.1 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.8 | 0.02 | 0.00 | 1.25 | 0.25 | ||||
| ± SEM | 0.01 | 0.00 | 0.65 | 0.25 | ||||||||||||
| Vehicle Control | No Stressor |
0 |
337076 | 50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.02 | 0.00 | 2.00 |
| 337085 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337086 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337092 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337093 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337096 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337097 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337104 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337105 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | |||
| 337129 | 50 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.04 | 0.00 | 4.00 | 0.00 | |||
| Average | 0.1 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.01 | 0.00 | 0.50 | 0.25 | ||||
| ± SEM | 0.01 | 0.00 | 0.50 | 0.25 | ||||||||||||
Footnotes:
CRO: Corn Oil
DMBA: Dimethylbenzanthracene
IP/IJ: Intraperitoneal injection
INHAL: Inhalation
CRO: Corn Oil
DMBA: Dimethylbenzanthracene
IP/IJ: Intraperitoneal injection
INHAL: Inhalation