About   Help   FAQ
Symbol
Name
ID
Kras
Kirsten rat sarcoma viral oncogene homolog
MGI:96680
Phenotype annotations related to integument
*Aspects of the system are reported to show a normal phenotype.
!Indicates phenotype varies with strain background.
Darker colors indicate more annotations
Human Phenotypes
Bruising susceptibility
Low posterior hairline
Preauricular skin tag
Adenoma sebaceum
Aplasia/Hypoplasia of the eyebrow
Absent eyebrow
Abnormal eyelash morphology
Sparse or absent eyelashes
Palmoplantar keratoderma
Deep palmar crease
Wide intermamillary distance
Supernumerary nipple
Breast carcinoma
Jaundice
Abnormal hair quantity
Alopecia
Sparse hair
Slow-growing hair
Brittle hair
Coarse hair
Curly hair
Fine hair
Dystrophic fingernails
Redundant skin
Excessive wrinkled skin
Hyperextensible skin
Hyperpigmentation of the skin
Generalized hyperpigmentation
Irregular hyperpigmentation
Multiple cafe-au-lait spots
Multiple lentigines
Hyperpigmented streaks
Hypopigmentation of the skin
Melanocytic nevus
Dry skin
Aplasia/Hypoplasia of the skin
Aplasia cutis congenita
Nevus
Epidermal nevus
Nevus sebaceous
Linear nevus sebaceous
Abnormal dermatoglyphics
Hyperkeratosis
Ichthyosis
Neoplasm of the skin
Basal cell carcinoma
Disease(s) Associated with KRAS
breast cancer
cardiofaciocutaneous syndrome
cardiofaciocutaneous syndrome 2
linear nevus sebaceous syndrome
Lynch syndrome
Noonan syndrome
Noonan syndrome 3
oculoectodermal syndrome
pancreatic cancer

Mouse Phenotypes
integument phenotype
abnormal skin sebaceous gland morphology
enlarged sebaceous gland
sebaceous gland hyperplasia
ruffled hair
increased hair follicle cell proliferation
epidermal hyperplasia
thick epidermis
pallor
increased skin tumor incidence
increased skin papilloma incidence
Availability Mouse Genotype
Krastm1Tyj/Krastm1Tyj
Krastm3Tyj/Krastm3Tyj
Krastm2Tyj/Kras+ !
Krastm3Tyj/Kras+ !
Krastm4.1Tyj/Kras+
Krastm4Tyj/Kras+
Tg(Mx1-cre)1Cgn/0  (conditional)
Krastm4Tyj/Kras+
Meox2tm1(cre)Sor/Meox2+  (conditional)
Krastm4Tyj/Kras+
Tg(KRT5-cre/PGR)1Der/?  (conditional)
Krastm4Tyj/Kras+
Krt19tm1(cre/ERT)Ggu/Krt19+  (conditional)
Krastm4Tyj/Kras+
Tg(Krt1-15-cre/PGR*)22Cot/0  (conditional)
Krastm4Tyj/Kras+
Shhtm2(cre/ERT2)Cjt/Shh+  (conditional)
*
Krastm4Tyj/Kras+
Tg(IVL-cre/ERT2)1Blpn/0  (conditional)

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
04/30/2024
MGI 6.23
The Jackson Laboratory