About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ptgs2tm1Jed
targeted mutation 1, Joe E Dinchuk
MGI:1857239
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Ptgs2tm1Jed/Ptgs2tm1Jed B6;129S-Ptgs2tm1Jed/J MGI:3604082
hm2
Ptgs2tm1Jed/Ptgs2tm1Jed involves: 129S7/SvEvBrd MGI:2177809
hm3
Ptgs2tm1Jed/Ptgs2tm1Jed involves: 129S7/SvEvBrd * C57BL/6 MGI:3603952
hm4
Ptgs2tm1Jed/Ptgs2tm1Jed involves: 129S7/SvEvBrd * CD-1 MGI:4834871
cx5
Apctm1Mmt/Apc+
Ptgs2tm1Jed/Ptgs2+
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6J MGI:3603949
cx6
Apctm1Mmt/Apc+
Ptgs2tm1Jed/Ptgs2tm1Jed
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6J MGI:3603950
cx7
Ptgs2tm1Jed/Ptgs2tm1Jed
Stk11tm1Tpm/Stk11+
involves: 129S7/SvEvBrd * C57BL/6 * CD-1 MGI:3790956
cx8
Ptgs2tm1Jed/Ptgs2+
Stk11tm1Tpm/Stk11+
involves: 129S7/SvEvBrd * C57BL/6 * CD-1 MGI:3790958


Genotype
MGI:3604082
hm1
Allelic
Composition
Ptgs2tm1Jed/Ptgs2tm1Jed
Genetic
Background
B6;129S-Ptgs2tm1Jed/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
respiratory system
• in response to bleomycin-induced lung injury, homozygotes exhibit an aggressive fibroproliferative response, widespread inflammation, loss of alveolar architecture, and increased extracellular matrix protein deposition relative to wild-type mice

digestive/alimentary system
• indomethacin-treated mice exhibit a less prominent disruption in pH gradient in the stomach compared with similarly treated wild-type mice

homeostasis/metabolism
• indomethacin-treated mice exhibit a less prominent disruption in pH gradient in the stomach compared with similarly treated wild-type mice




Genotype
MGI:2177809
hm2
Allelic
Composition
Ptgs2tm1Jed/Ptgs2tm1Jed
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• homozygotes that reach weaning have an average lifespan of ~3.5 months, with a few animals surviving beyond 6 months
• ~65% of homozygous mutant mice die neonatally

renal/urinary system
• all adult homozygotes with renal histopathology are susceptible to development of secondary pyelonephritis
• all adult homozygotes exhibit renal dysplasia
• homozygous newborns show poor collecting duct development
• all adult homozygotes exhibit mild to moderate renal lesions typified by numerous immature small glomeruli found subcapsularly
• homozygous newborns exhibit corticomedullary atrophy
• all adult homozygotes display corticomedullary microcysts
• although fetal metanephri appear normal at E14, kidneys of homozygous newborns appear severely underdeveloped relative to wild-type kidneys
• homozygous newborns show abundant undifferentiated mesenchyme
• all adult homozygotes display mild medullary hypoplasia or atrophy
• all adult homozygotes exhibit mild to moderate renal lesions typified by multiple foci of dysplastic tubules
• adult homozygotes die of chronic renal failure of developmental origin

reproductive system
• mutant ovaries show virtual absence of corpora lutea, despite normal ovarian follicular development
• homozygous females are largely infertile, rarely giving birth to live offspring

endocrine/exocrine glands
• mutant ovaries show virtual absence of corpora lutea, despite normal ovarian follicular development

cardiovascular system
• 50% of adult homozygotes exhibit diffuse myocardial fibrosis of variable severity involving both right and left ventricles

homeostasis/metabolism

immune system
N
• homozygotes exhibit normal immune responses to carrageenan-induced paw edema, TPA-induced edema and arachidonic acid-induced edema
• all adult homozygotes with renal histopathology are susceptible to development of secondary pyelonephritis

hematopoietic system
N
• homozygotes exhibit normal hematologic parameters

growth/size/body
• all adult homozygotes display corticomedullary microcysts




Genotype
MGI:3603952
hm3
Allelic
Composition
Ptgs2tm1Jed/Ptgs2tm1Jed
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• about 20% of mice die between 7 and 23 weeks of age

reproductive system
N
• in vitro, oocyte-cumulus cell complexes retrieved from eCG-primed ovaries of adult homozygotes display normal follicular growth and oocyte maturation
• in vitro-matured oocytes obtained from adult female homozygotes show no significant differences in fertilization or preimplantation development
• extrusion of the first polar body is rarely noted
• pseudopregnant female homozygotes fail to exhibit an increase in uterine weight in response to intraluminal infusion of oil (a deciduogenic stimulus)
• intraluminal infusion of PGI2 (but not PGE2) or cholera toxin as the deciduogenic stimulus partially restores decidualization in ovaroectomized steroid hormonally prepared mutant mice
• females homozygotes exhibit significantly reduced superovulation, despite normal ovarian response to gonadotropins (J:43609)
• any recovered eggs appear developmentally abnormal, with virtually no extrusion of the first polar body (J:43609)
• adult (2- to 8-month-old) female homozygotes exhibit a poor ovulation rate upon induction with eCG and hCG (J:69034)
• immature (3-week-old) female homozygotes exhibit a superior ovulation rate relative to adult homozygotes, suggesting that the ovulatory process becomes defective with aging (J:69034)
• in blastocyst transfer experiments, wild-type blastocysts fail to exhibit the initial attachment reaction and do not implant into uteri of pseudopregnant female homozygous mutant mice
• failure of implantation and subsequent decidualization occur despite normal uterine responsiveness to steroid hormones
• number of term pregnancies reduced (J:109548)
• only 20% of homozygous females can sustain term pregnancy (J:118171)
• homozygous females produce small litters compared to wild-type
• female homozygotes display complete failure of fertilization, despite the presence of numerous sperm at the fertilization site

embryo
• pseudopregnant female homozygotes fail to exhibit an increase in uterine weight in response to intraluminal infusion of oil (a deciduogenic stimulus)
• intraluminal infusion of PGI2 (but not PGE2) or cholera toxin as the deciduogenic stimulus partially restores decidualization in ovaroectomized steroid hormonally prepared mutant mice

renal/urinary system
N
• adult mice exhibit normal urinalysis and 24-hr urine output under non-stressed conditions
• no significant differences in urine osmolarity or in daily urinary excretion of sodium, potassium and chloride are observed
• early cystic changes affecting different tubule sections and glomeruli at P10, with slightly variable pathologic progression
• severe cyst formation by P28
• massive tubular cysts in severely affected kidneys at P14
• by P14, all mice exhibit cystic subcapsular glomeruli
• by P14, all mice exhibit outer cortical dysplasia
• inner cortical nephron hypertrophy by P42
• small, crowded glomeruli in subcapsular region at P10 (J:104002)
• outer cortical glomerular hypoplasia at P42 (J:104002)
• hypoplastic (J:109548)
• average glomerular diameter is reduced to 29.4 um from 39.2 um in wild-type (J:118171)
• at >6 weeks of age, renal cortex is abnormal with small immature glomeruli and deteriorating tubules; these changes are not seen in 2-month old COX-1 knockin mice
• focally variable glomerular sclerosis by P42 (J:104002)
• however, no inflammatory infiltrate or vascular pathology is observed at any age (J:104002)
• moderate (J:109548)
• peri-glomerular fibrosis by P42
• hypertrophy of juxtamedullary glomeruli at P28
• inner cortical glomerular hypertrophy by P42
• mice exhibit progressive cystic dysplasia during the later stages of kidney development
• however, prenatal and early postnatal kidney development appears normal
• diffuse interstitial fibrosis by P42
• starting at P10, total kidney mass is significantly reduced relative to that in wild-type controls
• kidney-specific growth suppression persists to P42 with no significant change
• by P14, all mice exhibit loss of proximal tubular mass
• variable loss of normal proximal tubule mantle at P10
• by P14, all mice exhibit loss of brush border definition
• variable tubular dilation at P10
• severe diffuse tubular dilation by P42
• hypertrophy of juxtamedullary tubules by P28
• at 8 weeks of age, some mice exhibit more severe cystic degeneration than others
• adult mice exhibit a ~50% reduction in GFR relative to wild-type controls, as measured by inulin clearance
• mice exhibit progressive renal insufficiency

cardiovascular system
N
• normal systolic blood pressure in awake or anesthetized mice relative to wild-type controls
• fails to close in 40% of mice
• at birth, mice exhibit a significantly higher heart weight:body weight ratio relative to control mice
• however, a normal ratio is observed during postnatal growth and early adulthood
• dye extravasation in the ear vasculature is decreased by 50-60% with bradykinin challenge compared to wild-type

digestive/alimentary system
• at 5 months of age, mice show chronic peritonitis

homeostasis/metabolism
N
• adult mice exhibit normal plasma sodium, potassium, bicarbonate and chloride levels relative to wild-type controls
• adult mice exhibit a 1.5-fold increase in plasma creatinine levels relative to controls
• adult mice exhibit a 2.5-fold increase in plasma BUN levels relative to controls (J:104002)
• BUN levels are increased ~2-fold vs wild-type at 6 months of age (J:118171)
• near absence of LPS induced synthesis

immune system
• at 5 months of age, mice show chronic peritonitis

behavior/neurological
N
• mice exhibit normal daily water intake under non-stressed conditions

growth/size/body
N
• mice display normal somatic growth from birth to 42 days of age
• at birth, mice exhibit a significantly higher heart weight:body weight ratio relative to control mice
• however, a normal ratio is observed during postnatal growth and early adulthood
• early cystic changes affecting different tubule sections and glomeruli at P10, with slightly variable pathologic progression
• severe cyst formation by P28
• massive tubular cysts in severely affected kidneys at P14
• by P14, all mice exhibit cystic subcapsular glomeruli

cellular
• fails to close in 40% of mice
• extrusion of the first polar body is rarely noted




Genotype
MGI:4834871
hm4
Allelic
Composition
Ptgs2tm1Jed/Ptgs2tm1Jed
Genetic
Background
involves: 129S7/SvEvBrd * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• following infection with Pseudomonas aeruginosa (PA103) bacterila counts in the right lung are lower compared to wild-type controls
• improved clearance is not the result of increased macrophage or neutrophil recruitment or cytokine production as these measures are similar to wild-type controls




Genotype
MGI:3603949
cx5
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 (154 available)
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 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:3603950
cx6
Allelic
Composition
Apctm1Mmt/Apc+
Ptgs2tm1Jed/Ptgs2tm1Jed
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 (154 available)
Ptgs2tm1Jed mutation (1 available); any Ptgs2 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• at 10 weeks, these mutants develop only ~14% of the polyp number detected in the intestinal tracts of mice heterozygous for Apctm1Mmt alone
• the size of intestinal polyps is significantly smaller (<1.0 mm) than that observed in mice heterozygous for Apctm1Mmt alone, with no polyps larger than 2.0 mm in diameter
• histologically, well-developed polyps are not covered with the normal intestinal epithelium and appear flatter than polyps found in Apctm1Mmt heterozygous controls
• notably, no colonic polyps are observed




Genotype
MGI:3790956
cx7
Allelic
Composition
Ptgs2tm1Jed/Ptgs2tm1Jed
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 (72 available)
Stk11tm1Tpm mutation (0 available); any Stk11 mutation (34 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

neoplasm
• 53-54% decrease in tumor burden is seen at 10 months in mice treated with celecoxib between 3.5 and 10 months compared to untreated controls




Genotype
MGI:3790958
cx8
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 (72 available)
Stk11tm1Tpm mutation (0 available); any Stk11 mutation (34 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





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
04/09/2024
MGI 6.23
The Jackson Laboratory