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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Mir142tm1Teyo
targeted mutation 1, Tetsuo Yoshida
MGI:5585622
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Mir142tm1Teyo/Mir142tm1Teyo involves: C57BL/6 MGI:5585623


Genotype
MGI:5585623
hm1
Allelic
Composition		 Mir142tm1Teyo/Mir142tm1Teyo
Genetic
Background		 involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mir142tm1Teyo mutation (0 available); any Mir142 mutation (7 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
mortality/aging ( J:211850 )
N
• mice are viable

immune system
decreased mast cell degranulation ( J:211850 )
• IgE-stimulated mast cells exhibit half as much beta-hexosaminidase released as wild-type cells

hematopoietic system
decreased mast cell degranulation ( J:211850 )
• IgE-stimulated mast cells exhibit half as much beta-hexosaminidase released as wild-type cells

cellular
decreased mast cell degranulation ( J:211850 )
• IgE-stimulated mast cells exhibit half as much beta-hexosaminidase released as wild-type cells




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)
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Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory