COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
Study Information
Study Attribute Value
CEBS Accession Number: 002-02170-0013-0000-6
Chemical Name: Eugenol
CASRN: 97-53-0
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 635999_CA
Study Result: Equivocal


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
03/29/1989 Bone Marrow 17 Male Mouse B6C3F1 Intraperitoneal Injection x 1/study, 17 hour Equivocal

  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         
11555 50 2 9 0 1 1 0 0 13 0.26 0.06 18.00 8.00
    11566 50 2 4 0 1 0 0 0 7 0.14 0.04 14.00 4.00
    11578 50 6 7 0 0 0 0 0 13 0.26 0.12 20.00 12.00
    11602 50 5 9 0 0 0 0 0 14 0.28 0.10 18.00 8.00
    11608 50 9 6 0 1 0 0 0 16 0.32 0.18 24.00 14.00
    11609 50 7 7 0 0 0 0 0 14 0.28 0.14 26.00 12.00
    11619 50 4 8 0 0 0 0 0 12 0.24 0.08 18.00 6.00
    11627 50 6 12 0 2 0 0 0 20 0.40 0.12 32.00 12.00
Average         5.1 7.8 0.0 0.6 0.1 0.0 0.0 13.6 0.27 0.11 21.25 9.50
± SEM                         0.03 0.02 2.03 1.24
 
Test Chemical Eugenol
150         
11603 50 1 4 0 0 0 0 1 6 0.12 0.04 6.00 2.00
    11611 50 0 2 0 0 0 0 0 2 0.04 0.00 4.00 0.00
    11615 50 2 3 0 0 0 0 0 5 0.10 0.04 10.00 4.00
    11616 50 2 7 0 0 0 0 0 9 0.18 0.04 12.00 4.00
    11624 50 1 2 0 0 0 0 0 3 0.06 0.02 4.00 2.00
    11628 50 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    11630 50 0 2 0 0 0 0 0 2 0.04 0.00 4.00 0.00
    11631 50 1 0 0 0 0 0 0 1 0.02 0.02 2.00 2.00
Average         0.9 2.5 0.0 0.0 0.0 0.0 0.1 3.5 0.07 0.02 5.25 1.75
± SEM                         0.02 0.01 1.41 0.59
 
Test Chemical Eugenol
300         
11594 50 0 1 0 0 0 0 0 1 0.02 0.00 2.00 0.00
    11598 50 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00
    11601 50 2 2 0 0 0 0 0 4 0.08 0.04 8.00 4.00
    11604 50 1 2 0 0 0 0 0 3 0.06 0.02 6.00 2.00
    11605 50 0 2 0 0 0 0 0 2 0.04 0.00 4.00 0.00
    11613 50 0 4 0 0 0 0 1 5 0.10 0.02 8.00 0.00
    11614 50 3 1 0 0 0 0 0 4 0.08 0.06 6.00 6.00
    11620 50 0 3 0 0 0 0 0 3 0.06 0.00 6.00 0.00
Average         0.8 1.9 0.0 0.0 0.0 0.0 0.1 2.8 0.06 0.02 5.00 1.50
± SEM                         0.01 0.01 1.00 0.82
 
Test Chemical Eugenol
600         
11595 50 0 6 0 0 0 0 0 6 0.12 0.00 12.00 0.00
    11596 50 2 13 0 1 0 0 1 17 0.34 0.06 24.00 6.00
    11600 50 4 11 0 0 0 0 0 15 0.30 0.08 20.00 8.00
    11607 50 3 4 0 1 0 0 0 8 0.16 0.06 16.00 6.00
    11618 50 2 6 0 0 0 0 0 8 0.16 0.04 8.00 4.00
    11629 50 2 2 0 0 0 0 0 4 0.08 0.04 8.00 4.00
    11632 50 12 5 3 1 1 0 0 22 0.44 0.32 20.00 10.00
Average         3.6 6.7 0.4 0.4 0.1 0.0 0.1 11.4 0.23 0.09 15.43 5.43
± SEM                         0.05 0.04 2.38 1.21
 
Vehicle Control No Stressor
 0         
11565 50 1 2 0 0 0 0 0 3 0.06 0.02 6.00 2.00
    11568 50 0 3 0 0 0 0 0 3 0.06 0.00 6.00 0.00
    11588 50 0 2 0 0 0 0 0 2 0.04 0.00 4.00 0.00
    11599 50 1 2 0 0 0 0 0 3 0.06 0.02 6.00 2.00
    11606 50 1 3 0 0 0 0 0 4 0.08 0.02 8.00 2.00
    11612 50 0 1 0 0 0 0 0 1 0.02 0.00 2.00 0.00
    11617 50 1 1 0 0 0 0 0 2 0.04 0.02 4.00 2.00
    11626 50 1 0 0 0 0 0 0 1 0.02 0.02 2.00 2.00
Average         0.6 1.8 0.0 0.0 0.0 0.0 0.0 2.4 0.05 0.01 4.75 1.25
± SEM                         0.01 0.00 0.75 0.37
 
Footnotes:
CRO: Corn Oil
DMBA: Dimethylbenzanthracene
IP/IJ: Intraperitoneal injection
INHAL: Inhalation