About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Mark2tm1Hpw
targeted mutation 1, Helen Piwnica-Worms
MGI:2182819
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Mark2tm1Hpw/Mark2tm1Hpw involves: 129X1/SvJ * C57BL/6 MGI:3850957
ht2
Mark2tm1Hpw/Mark2+ involves: 129X1/SvJ * C57BL/6 MGI:3850956
cx3
Mark2tm1Hpw/Mark2tm1Hpw
Mark3tm1Hpw/Mark3tm1Hpw
involves: 129X1/SvJ * C57BL/6 MGI:4830569
cx4
Mark2tm1Hpw/Mark2+
Mark3tm1Hpw/Mark3tm1Hpw
involves: 129X1/SvJ * C57BL/6 MGI:4830570
cx5
Mark2tm1Hpw/Mark2tm1Hpw
Mark3tm1Hpw/Mark3+
involves: 129X1/SvJ * C57BL/6 MGI:4830571


Genotype
MGI:3850957
hm1
Allelic
Composition
Mark2tm1Hpw/Mark2tm1Hpw
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mark2tm1Hpw mutation (1 available); any Mark2 mutation (108 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• slightly fewer than expected mice are found at 3 weeks

cellular
• enhanced 4-fold in white adipose tissue and increased in brown adipose tissue
• glomeruli exhibit diffuse mesangial hypercellularity
• anti-IgM stimulated B cells exhibit a 2- to 3-fold decrease in proliferation compared with wild-type cells
• anti-CD40 treated splenocytes B220+ splenocytes is slightly enhanced compared to similarly treated wild-type cells

reproductive system
• female mice bred with wild-type mice produce smaller than expected litters

immune system
• in 30% of mice at 7 to 12 months
• in older mice
• spleen cellularity is increased 2-fold in older mice compared to in wild-type mice
• mice exhibit an expansion of Ter119+HSA+ lymphocytes on the spleen compared with wild-type mice
• young and old mice exhibit lymph node hyperplasia due to an increase in B220+ cells compared to in wild-type mice
• CD4+ T cells exhibit increased levels of memory markers compared with wild-type cells
• spleens often exhibit follicular expansion due to enlarged follicular cells compared to in wild-type mice
• in 30% of mice at 7 to 12 months
• young and old mice exhibit lymph node hyperplasia due to an increase in B220+ cells compared to in wild-type mice
• at 5 to 12 months, 85% of mice exhibit some immunological disorders unlike wild-type mice
• anti-IgM stimulated B cells exhibit a 2- to 3-fold decrease in proliferation compared with wild-type cells
• anti-CD40 treated splenocytes B220+ splenocytes is slightly enhanced compared to similarly treated wild-type cells
• parietal salivary glands exhibit lymphocytic infiltrates unlike in wild-type mice
• T-cell-dependent IgG1 and IgG2a response to NP-KLH are 7.5-fold and 9.5-fold, respectively, compared with wild-type mice
• 17 days after treatment with NP-Ficoll, mice exhibit 3.5-fold lower serum IgG3 levels compared with similarly treated wild-type mice
• 17 days after treatment with NP-Ficoll, mice exhibit 4-fold lower IgM serum levels compared with similarly treated wild-type mice
• concanavalin A or ati-CD3 antibody treated splenocytes produce 3-fold more IFN-gamma compared with similarly treated wild-type mice
• Th1 cells produce 3-fold more IFN-gamma than wild-type cells
• following TCR cross-linking, T cells produce more IFN-gamma than similarly treated wild-type cells
• Th2 cells produce 3-fold more IL4 than wild-type cells
• following TCR cross-linking, T cells produce more IL4 than similarly treated wild-type cells
• kidneys exhibit lymphocytic infiltrates unlike in wild-type mice
• mice exhibit membranoproliferative glomerulonephritis
• lungs exhibit lymphocytic infiltrates unlike in wild-type mice

homeostasis/metabolism
• 5-fold when mice are fed a high-fat diet
• when mice are fed a high-fat diet
• when mice are fed a high-fat diet
• 27% when fed a high fat diet
• insulin-stimulated glucose infusion rate and turnover are increased compared to in wild-type mice
• mildly under fed conditions
• 5-fold when mice are fed a high-fat diet and also decreased when mice are fed normal chow
• mild to severe in 29% of males and 17% of females
• in 33% of males and 45% of females
• 7% when fed a high fat diet

renal/urinary system
• thickening of the capillary walls
• glomeruli exhibit diffuse mesangial hypercellularity
• mild to severe in 29% of males and 17% of females
• in 33% of males and 45% of females
• kidneys exhibit lymphocytic infiltrates unlike in wild-type mice
• mice exhibit membranoproliferative glomerulonephritis
• glomeruli are hypercellular and lobulated unlike in wild-type mice

adipose tissue
• BAT mass is reduced even when mice are fed a high-fat diet (J:163905)
• in the epididymal fat pads at 12 weeks (J:120128)
• WAT mass is reduced even when mice are fed a high-fat diet (J:163905)
• 14% compared to 23% in wild-type mice
• enhanced 4-fold in white adipose tissue and increased in brown adipose tissue

digestive/alimentary system
• 30% of mice exhibit colorectal prolapse
• 41% of aged females and 18% of aged males exhibit colorectal prolapse
• parietal salivary glands exhibit lymphocytic infiltrates unlike in wild-type mice

growth/size/body
• by 20% at E13.5
• 25% to 30% (J:68830)
• 20% (J:120128)
• after 7 weeks on a high-fat diet, mice do not gain weight
• in 30% of mice at 7 to 12 months
• in older mice
• spleen cellularity is increased 2-fold in older mice compared to in wild-type mice
• mice exhibit an expansion of Ter119+HSA+ lymphocytes on the spleen compared with wild-type mice

endocrine/exocrine glands
• parietal salivary glands exhibit lymphocytic infiltrates unlike in wild-type mice

respiratory system
• lungs exhibit lymphocytic infiltrates unlike in wild-type mice

hematopoietic system
• anti-IgM stimulated B cells exhibit a 2- to 3-fold decrease in proliferation compared with wild-type cells
• anti-CD40 treated splenocytes B220+ splenocytes is slightly enhanced compared to similarly treated wild-type cells
• in 30% of mice at 7 to 12 months
• in older mice
• spleen cellularity is increased 2-fold in older mice compared to in wild-type mice
• mice exhibit an expansion of Ter119+HSA+ lymphocytes on the spleen compared with wild-type mice
• young and old mice exhibit lymph node hyperplasia due to an increase in B220+ cells compared to in wild-type mice
• CD4+ T cells exhibit increased levels of memory markers compared with wild-type cells
• spleens often exhibit follicular expansion due to enlarged follicular cells compared to in wild-type mice
• 17 days after treatment with NP-Ficoll, mice exhibit 3.5-fold lower serum IgG3 levels compared with similarly treated wild-type mice
• 17 days after treatment with NP-Ficoll, mice exhibit 4-fold lower IgM serum levels compared with similarly treated wild-type mice

behavior/neurological
• 2-fold when fed a high fat diet

embryo
• by 20% at E13.5

liver/biliary system
• resistance to the onset of hepatic steatosis in aged mice fed normal chow

cardiovascular system
• thickening of the capillary walls




Genotype
MGI:3850956
ht2
Allelic
Composition
Mark2tm1Hpw/Mark2+
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mark2tm1Hpw mutation (1 available); any Mark2 mutation (108 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• in 1 of 8 males
• in 2 of 11 females

digestive/alimentary system
• 3 of 107 mice exhibit colorectal prolapse

growth/size/body
• at 1 year

renal/urinary system
• in 1 of 8 males
• in 2 of 11 females




Genotype
MGI:4830569
cx3
Allelic
Composition
Mark2tm1Hpw/Mark2tm1Hpw
Mark3tm1Hpw/Mark3tm1Hpw
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mark2tm1Hpw mutation (1 available); any Mark2 mutation (108 available)
Mark3tm1Hpw mutation (1 available); any Mark3 mutation (71 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• complete absence of pups and no mutants are seen at E10.5 or E8.5




Genotype
MGI:4830570
cx4
Allelic
Composition
Mark2tm1Hpw/Mark2+
Mark3tm1Hpw/Mark3tm1Hpw
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mark2tm1Hpw mutation (1 available); any Mark2 mutation (108 available)
Mark3tm1Hpw mutation (1 available); any Mark3 mutation (71 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• only 2.7% of the expected 12.5% of mutants were recovered and many die shortly after birth

growth/size/body
• 23% reduction in body weight




Genotype
MGI:4830571
cx5
Allelic
Composition
Mark2tm1Hpw/Mark2tm1Hpw
Mark3tm1Hpw/Mark3+
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mark2tm1Hpw mutation (1 available); any Mark2 mutation (108 available)
Mark3tm1Hpw mutation (1 available); any Mark3 mutation (71 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• only 0.5% of the expected 12.5% of mutants were recovered and many die shortly after birth

growth/size/body
• 30% reduction in body weight





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