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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ptgs2+
wild type
MGI:2431750
Summary 10 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Ptgs2tm1Unc/Ptgs2+ B6.129P2-Ptgs2tm1Unc MGI:4366272
ht2
Ptgs2tm1Unc/Ptgs2+ D1.129P2(B6J)-Ptgs2tm1Unc MGI:3603834
ht3
Ptgs2tm1Unc/Ptgs2+ D1.129P2-Ptgs2tm1Unc MGI:4366266
ht4
Ptgs2tm1Unc/Ptgs2+ involves: 129/Sv * 129P2/OlaHsd * C57BL/6 MGI:4366242
ht5
Ptgs2tm1Unc/Ptgs2+ involves: 129P2/OlaHsd * C57BL/6J MGI:4366164
cx6
Hrhr/Hrhr
Ptgs2tm1Unc/Ptgs2+
involves: 129P2/OlaHsd * C57BL/6 * SKH1 MGI:4366348
cx7
Ptgs1tm1Unc/Ptgs1+
Ptgs2tm1Unc/Ptgs2+
involves: 129P2/OlaHsd * C57BL/6J MGI:3812385
cx8
Ptgs1tm1Unc/Ptgs1tm1Unc
Ptgs2tm1Unc/Ptgs2+
involves: 129P2/OlaHsd * C57BL/6J MGI:3812386
cx9
Apctm1Mmt/Apc+
Ptgs2tm1Jed/Ptgs2+
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6J MGI:3603949
cx10
Ptgs2tm1Jed/Ptgs2+
Stk11tm1Tpm/Stk11+
involves: 129S7/SvEvBrd * C57BL/6 * CD-1 MGI:3790958


Genotype
MGI:4366272
ht1
Allelic
Composition
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
B6.129P2-Ptgs2tm1Unc
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• following occlusion of the middle cerebral artery, mice exhibit an attenuated increase in cortical prostaglandin compared with similarly treated wild-type mice
• 96 hours after occlusion of the middle cerebral artery, infarct size is reduced 20% compared to in similarly treated wild-type mice

nervous system
• 96 hours after occlusion of the middle cerebral artery, infarct size is reduced 20% compared to in similarly treated wild-type mice




Genotype
MGI:3603834
ht2
Allelic
Composition
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
D1.129P2(B6J)-Ptgs2tm1Unc
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• heterozygous female mutants exhibit fewer writhing responses and decreased nociception in the acetic acid-induced stretch model of algesia




Genotype
MGI:4366266
ht3
Allelic
Composition
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
D1.129P2-Ptgs2tm1Unc
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• mice fed a high fat and sucrose diet exhibit a 24% greater increase in body weight compared with similarly treated wild-type mice and a 34% increase compared with homozygotes
• in mice fed a high fat and sucrose diet compared to in similarly treated wild-type mice or homozygotes
• leptin serum levels are 336% higher in mice fed a high fat and sucrose diet compared to in similarly treated wild-type mice
• fat pad tissue from mice fed a high fat and sucrose diet exhibit a 2-fold increase in prostaglandin production compared with tissues from similarly treated wild-type mice

adipose tissue
• mice fed a high fat and sucrose diet exhibit a 134% increase in fat pad weight compared to in similarly treated wild-type mice and 328% increase compared to in similarly treated homozygotes
• cultured adipose tissue from mice fed a high fat and sucrose diet exhibit increased leptin released compared with adipose tissue from similarly treated wild-type mice or homozygotes

growth/size/body
• at 7 to 8 weeks, mice fed breeder chow (10% fat) exhibit increased body weight compared with wild-type mice
• however, after 28 weeks mice exhibit normal body weights when fed breeder chow
• mice fed a high fat and sucrose diet exhibit a 24% greater increase in body weight compared with similarly treated wild-type mice and a 34% increase compared with homozygotes




Genotype
MGI:4366242
ht4
Allelic
Composition
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
involves: 129/Sv * 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• cultured bone marrow treated with 1,25-dihydroxyvitamin D3 (1,25-D) produce 50% less TRAP+ mononuclear cells (osteoclast) than similarly treated wild-type bone marrow

homeostasis/metabolism
• 1,25-dihydroxyvitamin D3 (1,25-D)-stimulated bone marrow cultures produce 62% lower prostaglandin levels compared with similarly treated wild-type cultures

immune system
• cultured bone marrow treated with 1,25-dihydroxyvitamin D3 (1,25-D) produce 50% less TRAP+ mononuclear cells (osteoclast) than similarly treated wild-type bone marrow

hematopoietic system
• cultured bone marrow treated with 1,25-dihydroxyvitamin D3 (1,25-D) produce 50% less TRAP+ mononuclear cells (osteoclast) than similarly treated wild-type bone marrow

cellular
• cultured bone marrow treated with 1,25-dihydroxyvitamin D3 (1,25-D) produce 50% less TRAP+ mononuclear cells (osteoclast) than similarly treated wild-type bone marrow




Genotype
MGI:4366164
ht5
Allelic
Composition
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• LPS-treated mice fail to exhibit an increase in core body temperature unlike similarly treated wild-type mice

cardiovascular system
• during the inactive day and active night, mice exhibit increased systolic blood pressure compared with wild-type mice
• however, stress induced changes in blood pressure are normal




Genotype
MGI:4366348
cx6
Allelic
Composition
Hrhr/Hrhr
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SKH1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hrhr mutation (18 available); any Hr mutation (89 available)
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• after 14 weeks of UV treatment, mice fail to develop tumors unlike similarly treated SKH mice and do not develop tumors until 24 weeks of treatment
• UV-treated mice exhibit a 65% reduction in tumor number and decreased tumor incidence compared with similarly treated wild-type mice

homeostasis/metabolism
• 50% in the epidermis
• after 14 weeks of UV treatment, mice fail to develop tumors unlike similarly treated SKH mice and do not develop tumors until 24 weeks of treatment
• UV-treated mice exhibit a 65% reduction in tumor number and decreased tumor incidence compared with similarly treated wild-type mice

cellular
• skin from UV-treated mice exhibits 50% less basal cell proliferation than in skin from similarly treated wild-type mice




Genotype
MGI:3812385
cx7
Allelic
Composition
Ptgs1tm1Unc/Ptgs1+
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs1tm1Unc mutation (0 available); any Ptgs1 mutation (44 available)
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• parturition is delayed




Genotype
MGI:3812386
cx8
Allelic
Composition
Ptgs1tm1Unc/Ptgs1tm1Unc
Ptgs2tm1Unc/Ptgs2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs1tm1Unc mutation (0 available); any Ptgs1 mutation (44 available)
Ptgs2tm1Unc mutation (0 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• parturition is delayed




Genotype
MGI:3603949
cx9
Allelic
Composition
Apctm1Mmt/Apc+
Ptgs2tm1Jed/Ptgs2+
Genetic
Background
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apctm1Mmt mutation (0 available); any Apc mutation (152 available)
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• at 10 weeks, double heterozygotes develop only ~34% of the polyp number detected in the intestinal tracts of mice heterozygous for Apctm1Mmt alone
• at 10 weeks, double heterozygotes exhibit only 1.5 1.9 colonic polyps versus 6.8 7.2 detected in mice heterozygous for Apctm1Mmt alone




Genotype
MGI:3790958
cx10
Allelic
Composition
Ptgs2tm1Jed/Ptgs2+
Stk11tm1Tpm/Stk11+
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6 * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (68 available)
Stk11tm1Tpm mutation (0 available); any Stk11 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• large polyps (>2 mm) are reduced in number compared to Stk11 heterozygotes at 8.5 months
• large polyps (>2 mm) are reduced in number compared to Stk11 heterozygotes at 8.5 months





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last database update
03/24/2026
MGI 6.24
The Jackson Laboratory