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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pkd2tm1Som
targeted mutation 1, Stefan Somlo
MGI:1860840
Summary 7 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Pkd2tm1Som/Pkd2tm1Som involves: 129/Sv * C57BL/6J * SJL MGI:2174703
ht2
Pkd2tm1Som/Pkd2+ involves: 129/Sv * C57BL/6J * SJL MGI:2174704
ht3
Pkd2tm1Som/Pkd2tm2Som involves: 129/Sv * C57BL/6J * SJL MGI:3617451
cx4
Pde1aem1Cjwa/Pde1aem1Cjwa
Pkd2tm1Som/Pkd2tm2Som
involves: 129 * C57BL/6J * C57BL/6N * SJL MGI:6711716
cx5
Pkd1tm1.1Pcha/Pkd1tm1.1Pcha
Pkd2tm1Som/Pkd2+
involves: 129 * C57BL/6J * SJL MGI:5697044
cx6
Pkd1tm1.1Pcha/Pkd1tm1.1Pcha
Pkd2tm1Som/Pkd2tm2Som
involves: 129 * C57BL/6J * SJL MGI:5697045
cx7
Pkd1tm1.1Pcha/Pkd1+
Pkd2tm1Som/Pkd2tm2Som
involves: 129 * C57BL/6J * SJL MGI:5697046


Genotype
MGI:2174703
hm1
Allelic
Composition
Pkd2tm1Som/Pkd2tm1Som
Genetic
Background
involves: 129/Sv * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
liver/biliary system
• 21% exhibit liver cysts that arise from bile duct epithelium

renal/urinary system
• 53% have bilateral cysts, which occur in the outer and inner medulla and in the cortex

growth/size/body
• 53% have bilateral cysts, which occur in the outer and inner medulla and in the cortex
• 21% exhibit liver cysts that arise from bile duct epithelium

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
polycystic kidney disease 2 DOID:0110859 OMIM:613095
J:47035




Genotype
MGI:2174704
ht2
Allelic
Composition
Pkd2tm1Som/Pkd2+
Genetic
Background
involves: 129/Sv * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• 7% have unilateral renal cysts

growth/size/body
• 7% have unilateral renal cysts

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
polycystic kidney disease 2 DOID:0110859 OMIM:613095
J:47035




Genotype
MGI:3617451
ht3
Allelic
Composition
Pkd2tm1Som/Pkd2tm2Som
Genetic
Background
involves: 129/Sv * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
Pkd2tm2Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• median survival time is 65 weeks compared to 94.1 weeks for wild-type

renal/urinary system
• in cystic renal epithelia cells, apoptotic indices are gradually increased from ~13.55% at 5-8 months of age to ~21.02% at 9-12-months of age, unlike in wild-type cells (~2.86%)
• at 5-8 months of age, ~2.86% nuclei of cystic renal epithelial cells are PCNA-positive relative to ~0.85% in wild-type cells; like in hepatic cysts, the % of PCNA-positive nuclei does not change significantly (~2.55%) with age
• all have bilateral renal cysts (J:47035)
• exhibit renal cyst formation by 6-10 weeks of age that progresses to cystic replacement of normal renal parenchyma later in life (J:59314)
• numerous macroscopically visible cysts are scattered on the kidney surface at an early disease stage (J:158354)
• total renal cystic volume decreases from ~ 40.67% of total kidney parenchyma at 5-8 months to ~31.04% at 9-12 months of age (J:158354)
• primary cilia in cystic renal epithelial cells remain normal despite a tendency to be shorter (J:158354)
• no significant fibrosis is noted around renal cysts in either age group (J:158354)
• mice show a similar level of polycystic kidney disease as single Pkd1tm1.1Pcha homozygotes (J:220561)
• mutant kidneys are enlarged with numerous macroscopically visible cysts
• at 5-8 months of age, mutant kidney weights represent ~2% of total body weight (J:158354)
• by 9-12 months of age, mutant kidney weights account for ~2.6% of total body weight (J:158354)
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes (J:220561)

liver/biliary system
• at 5-8 months of age, apoptotic indices in cystic cholangiocytes are increased to ~3.41% relative to ~0.56% in wild-type cholangiocytes, but do not change significantly with age (~3.86% at 9-12 months)
• cystic cholangiocytes lining intrahepatic bile ducts are enlarged with a thickened basement membrane and a significantly larger width (i.e. distance between two cell junctions) relative to wild-type cholangiocytes
• most cystic cholangiocytes are squamous in appearance
• cystic cholangiocyte cilia are ~2-fold shorter than wild-type
• ~25% of primary cilia in cystic cholangiocytes appear malformed (e.g. bulbs at the ciliary tip)
• 3 of 6 have bile duct proliferation (J:47035)
• at 5-8 months of age, ~18.77% nuclei of cystic cholangiocytes are PCNA-positive relative to ~1.12% in wild-type cholangiocytes; however, the % of PCNA-positive nuclei does not change significantly with age (~20.26% at 9-12 months) (J:158354)
• all have 1-10 liver cysts (J:47035)
• at 9-12 months of age, multiple fluid-filled cysts of different size and shapes are noted in the liver parenchyma (J:158354)
• hepatic cysts posses microvilli and have well-developed cellular junctions (J:158354)
• epithelial cells lining liver cysts stain positively for CK-19, suggesting that hepatic cysts arise from cholangiocytes (J:158354)
• most hepatic cysts are lined by a single layer of cholangiocytes while ~10% of liver cysts are multilayered (J:158354)
• total liver cystic volume increases from ~15.84% of total liver parenchyma at 5-8 months to ~23.26% at 9-12 months of age, as assessed by micro-CT scanning (J:158354)
• mutant livers are significantly enlarged with multiple macroscopically visible cysts, often occupying most of the abdominal cavity
• at 5-8 months of age, mutant liver weights represent ~6% of total body weight relative to ~4.7% in wild-type controls
• by 9-12 months of age, mutant liver weights account for ~8% of total body weight, with no significant differences between male and female mice
• at 5-8 months of age, mild fibrotic deposits are observed around liver cysts, occupying ~2.71% of total liver parenchyma relative to ~0.92% in wild-type controls
• no changes in hepatic fibrosis are found during disease progression

homeostasis/metabolism
• develop azotemia/uremia (J:59314)
• blood urea nitrogen levels are increased to the same extent as in single Pkd1tm1.1Pcha homozygotes (J:220561)

endocrine/exocrine glands
• cystic cholangiocytes lining intrahepatic bile ducts are enlarged with a thickened basement membrane and a significantly larger width (i.e. distance between two cell junctions) relative to wild-type cholangiocytes
• most cystic cholangiocytes are squamous in appearance
• cystic cholangiocyte cilia are ~2-fold shorter than wild-type
• ~25% of primary cilia in cystic cholangiocytes appear malformed (e.g. bulbs at the ciliary tip)
• 3 of 6 have bile duct proliferation (J:47035)
• at 5-8 months of age, ~18.77% nuclei of cystic cholangiocytes are PCNA-positive relative to ~1.12% in wild-type cholangiocytes; however, the % of PCNA-positive nuclei does not change significantly with age (~20.26% at 9-12 months) (J:158354)
• 50% of mutants over 3 months of age have visible cysts

cellular
• cystic cholangiocyte cilia are ~2-fold shorter than wild-type
• ~25% of primary cilia in cystic cholangiocytes appear malformed (e.g. bulbs at the ciliary tip)
• in cystic renal epithelia cells, apoptotic indices are gradually increased from ~13.55% at 5-8 months of age to ~21.02% at 9-12-months of age, unlike in wild-type cells (~2.86%)
• at 5-8 months of age, apoptotic indices in cystic cholangiocytes are increased to ~3.41% relative to ~0.56% in wild-type cholangiocytes, but do not change significantly with age (~3.86% at 9-12 months)
• at 5-8 months of age, ~2.86% nuclei of cystic renal epithelial cells are PCNA-positive relative to ~0.85% in wild-type cells; like in hepatic cysts, the % of PCNA-positive nuclei does not change significantly (~2.55%) with age

growth/size/body
• 50% of mutants over 3 months of age have visible cysts
• all have bilateral renal cysts (J:47035)
• exhibit renal cyst formation by 6-10 weeks of age that progresses to cystic replacement of normal renal parenchyma later in life (J:59314)
• numerous macroscopically visible cysts are scattered on the kidney surface at an early disease stage (J:158354)
• total renal cystic volume decreases from ~ 40.67% of total kidney parenchyma at 5-8 months to ~31.04% at 9-12 months of age (J:158354)
• primary cilia in cystic renal epithelial cells remain normal despite a tendency to be shorter (J:158354)
• no significant fibrosis is noted around renal cysts in either age group (J:158354)
• mice show a similar level of polycystic kidney disease as single Pkd1tm1.1Pcha homozygotes (J:220561)
• all have 1-10 liver cysts (J:47035)
• at 9-12 months of age, multiple fluid-filled cysts of different size and shapes are noted in the liver parenchyma (J:158354)
• hepatic cysts posses microvilli and have well-developed cellular junctions (J:158354)
• epithelial cells lining liver cysts stain positively for CK-19, suggesting that hepatic cysts arise from cholangiocytes (J:158354)
• most hepatic cysts are lined by a single layer of cholangiocytes while ~10% of liver cysts are multilayered (J:158354)
• total liver cystic volume increases from ~15.84% of total liver parenchyma at 5-8 months to ~23.26% at 9-12 months of age, as assessed by micro-CT scanning (J:158354)
• mutant kidneys are enlarged with numerous macroscopically visible cysts
• at 5-8 months of age, mutant kidney weights represent ~2% of total body weight (J:158354)
• by 9-12 months of age, mutant kidney weights account for ~2.6% of total body weight (J:158354)
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes (J:220561)
• mutant livers are significantly enlarged with multiple macroscopically visible cysts, often occupying most of the abdominal cavity
• at 5-8 months of age, mutant liver weights represent ~6% of total body weight relative to ~4.7% in wild-type controls
• by 9-12 months of age, mutant liver weights account for ~8% of total body weight, with no significant differences between male and female mice

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
polycystic kidney disease 2 DOID:0110859 OMIM:613095
J:47035




Genotype
MGI:6711716
cx4
Allelic
Composition
Pde1aem1Cjwa/Pde1aem1Cjwa
Pkd2tm1Som/Pkd2tm2Som
Genetic
Background
involves: 129 * C57BL/6J * C57BL/6N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pde1aem1Cjwa mutation (0 available); any Pde1a mutation (30 available)
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
Pkd2tm2Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• administration of desmopressin aggravates the renal cystic disease seen in Pkd2tm1Som/Pkd2tm2Som mice

growth/size/body
• administration of desmopressin aggravates the renal cystic disease seen in Pkd2tm1Som/Pkd2tm2Som mice




Genotype
MGI:5697044
cx5
Allelic
Composition
Pkd1tm1.1Pcha/Pkd1tm1.1Pcha
Pkd2tm1Som/Pkd2+
Genetic
Background
involves: 129 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm1.1Pcha mutation (0 available); any Pkd1 mutation (153 available)
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• mice show an intermediate level of polycystic kidney disease severity between homozygous Pkd1tm1.1Pcha mice and double mutants homozygous for Pkd1tm1.1Pcha and heterozygous for Pkd2tm2Som
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes

homeostasis/metabolism
• blood urea nitrogen levels are increased to the same extent as in single Pkd1tm1.1Pcha homozygotes

growth/size/body
• mice show an intermediate level of polycystic kidney disease severity between homozygous Pkd1tm1.1Pcha mice and double mutants homozygous for Pkd1tm1.1Pcha and heterozygous for Pkd2tm2Som
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes




Genotype
MGI:5697045
cx6
Allelic
Composition
Pkd1tm1.1Pcha/Pkd1tm1.1Pcha
Pkd2tm1Som/Pkd2tm2Som
Genetic
Background
involves: 129 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm1.1Pcha mutation (0 available); any Pkd1 mutation (153 available)
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
Pkd2tm2Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 5 of 10 mice die before 4 months of age

renal/urinary system
• mice develop rapidly progressive polycystic kidney disease, significantly more severe than other genotypes studied
• large increase in kidney weight to body weight ratio

homeostasis/metabolism
• large increase in blood urea nitrogen levels

growth/size/body
• mice develop rapidly progressive polycystic kidney disease, significantly more severe than other genotypes studied
• large increase in kidney weight to body weight ratio




Genotype
MGI:5697046
cx7
Allelic
Composition
Pkd1tm1.1Pcha/Pkd1+
Pkd2tm1Som/Pkd2tm2Som
Genetic
Background
involves: 129 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm1.1Pcha mutation (0 available); any Pkd1 mutation (153 available)
Pkd2tm1Som mutation (0 available); any Pkd2 mutation (84 available)
Pkd2tm2Som mutation (0 available); any Pkd2 mutation (84 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• mice show a similar level of polycystic kidney disease as single Pkd1tm1.1Pcha homozygotes
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes

homeostasis/metabolism
• blood urea nitrogen levels are increased to the same extent as in single Pkd1tm1.1Pcha homozygotes

growth/size/body
• mice show a similar level of polycystic kidney disease as single Pkd1tm1.1Pcha homozygotes
• kidney weight to body weight ratio is increased to the same extent as in single Pkd1tm1.1Pcha homozygotes





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last database update
04/16/2024
MGI 6.23
The Jackson Laboratory