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Bglu8NZW/LacJ
QTL Variant Detail
Summary
QTL variant: Bglu8NZW/LacJ
Name: blood glucose level 8; NZW/LacJ
MGI ID: MGI:3812553
QTL: Bglu8  Location: unknown  Genetic Position: Chr15, Syntenic
Variant
origin
Strain of Specimen:  NZW/LacJ
Variant
description
Allele Type:    QTL
Mutation:    Undefined
    This allele confers increased blood glucose concentration in females compared to NZB/BlNJ. (J:138463)
Phenotypes
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View phenotypes and curated references for all genotypes (concatenated display).
Expression
In Structures Affected by this Mutation: 1 anatomical structure(s)
Notes

Mapping and Phenotype information for this QTL, its variants and associated markers

J:138463

Genetic loci associated with plasma triglycerides, free fatty acids and glucose levels were mapped using 264 animals from a (NZB/BlNJ x NZW/LacJ)F2 intercross. A panel of 147 SNP markers spaced approximately 20 Mb apart was used for the genome scan. F2 animals were placed on an atherogenic diet at 8 weeks of age and sacrificed for phenotype analysis at 16 weeks of age. Parental strain NZW/LacJ displays higher plasma triglycerides in females, higher free fatty acid levels in males and higher glucose levels in both sexes compared to parental strain NZB/BlNJ.

On mouse Chromosome 2, two loci for blood glucose levels mapped to 72 Mb (Bglu4, blood glucose level 4) and 145 Mb (Bglu5, blood glucose level 5). The Bglu4 interval spans 60 Mb to 88 Mb and peak linkage occurs near rs3687515 with a stronger effect in males (LOD=3.6). NZB/BlNJ-derived alleles at Bglu4 confer increased blood glucose levels. G6pc2 at 69 Mb is a potential candidate gene for Bglu4. The Bglu5 interval spans 120 Mb to 175 Mb with peak linkage near rs3022911 (LOD=4.3). This locus is male-specific. NZW/LacJ-derived alleles at Bglu5 confer increased blood glucose levels in male animals. Previously identified QTL Bglu1 at 117.9 Mb overlaps with the Bglu5 interval. Ggtl3 at 155.3 Mb is a potential candidate gene for Bglu5. Linkage to free fatty acids mapped to 69 Mb near rs3726142 (LOD=1.3). This locus is named Ffaq3 (free fatty acid QTL 3) and interacts with Ffaq4 on chromosome 15. Homozygosity for NZB/BlNJ-derived alleles at Ffaq3 and Ffaq4 confers increased free fatty acid levels.

Significant linkage to free fatty acid level in males mapped to 43 Mb on mouse Chromosome 4 near rs3725792 (LOD=5.4). This locus spans 30 Mb to 60 Mb and is named Ffaq2 (free fatty acids QTL 2). NWZ/LacJ-derived alleles at Ffaq2 confer increased free fatty acids in males. Bglu6 (blood glucose level 6) mapped to 32 Mb near rs3725792 (LOD=3.5). This locus spans 21 Mb to 43 Mb and is male-specific. NZB/BlNJ-derived alleles at Bglu6 confer increased blood glucose levels in male animals. Il11ra1 (41.6 Mb) and Il11ra2 (42.7 Mb) are potential candidate genes for Bglu6. Suggestive linkage to serum triglycerides mapped to 43 Mb near rs3725792 (LOD=3.2). A potential candidate gene for the suggestive triglyceride locus is Gba2.

Significant linkage to triglyceride levels on an atherogenic diet mappedto 101 Mb on mouse Chromosome 7 near rs3670069 (LOD=3.1). This locus spans 58 Mb to 116 Mb and is named Tgq4 (triglyceride QTL 4). NZW/LacJ-derived alleles at Tgq4 confer increased triglycerides. Thrsp at 104.5 Mb is a potential candidate for Tgq4. A suggestive locus for blood glucose levels mapped to 56 Mb (LOD=2.2 at rs3708035) with a QTL interval spanning 26 Mb to 78 Mb. NZB/BlNJ-derived alleles at this locus confer increasedblood glucose levels.

On mouse Chromosome 8, significant linkage to triglyceride levels mapped to 21 Mb near rs3691954 (LOD=3.2). This locus is named Tgq5 (triglyceride QTL 5). NZW/LacJ-derived alleles at Tgq5 confer increased triglycerides. The Tgq5 interval spans 0 Mb to 50 Mb. Irs2 at 11 Mb is a potential candidate gene for Tgq5. Linkage to blood glucose levels also mapped near rs3691954 (LOD=2.3 at 24 Mb) and is named Bglu11 (blood glucose QTL 11). This locus interacts with Bglu9 on chromosome 17. Animals homozygous for NZB/BlNJ-derived alleles at Bglu11 and Bglu9 display increased blood glucose levels.

On mouse Chromosome 10, interacting loci for triglyceride levels mapped to 48 Mb (near rs3722617, LOD=1.7) and 107 Mb (near rs13480757, LOD=2.1) and are named Tgq7 (triglyceride QTL 7) and Tgq8 (triglyceride QTL 8), respectively. Homozygosity for NZB/BlNJ-derived alleles at Tgq7 in conjunction with NZW/LacJ-derived alleles at Tgq8 confers increased triglyceride levels. Significant linkage to bloodglucose levels in males mapped to 87 Mb near rs3089366 (LOD=3.9) and is named Bglu7 (blood glucose QTL 7). NZW/LacJ-derived alleles at Bglu7 confer increased blood glucose levels in males. The Bglu7 interval spans 74 Mb to 100 Mb. Previously identified QTLNfbq (114.3 Mb) maps near Bglu7. Timp3 at 85.7 Mb is a potential candidategene for Bglu7.

A locus named Ffaq4 (free fatty acid QTL 4) at 10 Mb on mouse Chromosome 15 was identified in linkage to rs3676680 (LOD=2.3). Ffaq4 interacts with Ffaq3 on chromosome 2 where homozygosity for NZB/BlNJ-derived alleles at both QTL confer increased free fatty acid levels. The 95% confidence interval for Ffaq4 spans 0 Mb to 32 Mb. Significant linkage to blood glucose levels, Bglu8, mapped to 29 Mb near rs4230721 (LOD=4.3). Bglu8 has a sex-different effect where NZB/BlNJ-derived alleles confer increased free fatty acids in males and NZW/LacJ-derived alleles confer increased free fatty acids in females. The 95% confidence interval for Bglu8 spans 15 Mb to 70 Mb. Fbgl2 (107.3 Mb) and Dbm4 (66 Mb) are previously identified QTL mapping near Bglu8. Adcy8 (64.5 Mb) is a potential candidate gene near Bglu8.

Suggestive linkage to free fatty acid levels mapped to 6 Mb on mouse Chromosome 16 near rs3090912 (LOD=3.1). The 95% confidence interval for this suggestive locus spans 0 Mb to 25 Mb. A2bp1 at 7.2 Mb and EG665158 are potential candidate genes for this locus.

Significant linkage to blood glucose levels, Bglu9, mapped to 22 Mb on mouse Chromosome 17 near rs4231344 (LOD=4.1). NZB/BlNJ-derived alleles at Bglu9 confer increased blood glucose. The 95% confidence interval spans 0 Mb to 45 Mb. Idd16 (33.7 Mb) is a previously identified diabetes QTL mapping near Bglu9.

On mouse Chromosome 18, linkage to triglyceride levels mappedto 68 Mb near rs4231907 (Tgq6, LOD=4.5) and linkage to blood glucose levels in males mapped to 33 Mb near rs3705122 (Bglu10, LOD=3.3). The 95% confidence interval for Tgq6 spans 52 Mb to 78 Mb. NZB/BlNJ-derived alleles at Tgq6 confer increased triglycerides. Ppargc1b at 61.4 Mb is a potential candidate gene for Tgq6. The Bglu10 QTL interval spans 0 Mb to 50 Mb. NZB/BlNJ-derived alleles at Bglu10 confer increased blood glucose in male animals. Ppp2r2b at 42.8 Mb is a potential candidate gene for Bglu10.

References
Original:  J:138463 Su Z, et al., Candidate genes for plasma triglyceride, FFA, and glucose revealed from an intercross between inbred mouse strains NZB/B1NJ and NZW/LacJ. J Lipid Res. 2008 Jul;49(7):1500-10
All:  1 reference(s)

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last database update
11/12/2024
MGI 6.24
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