Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease
It is well established that diabetes is the major cause of chronic kidney disease worldwide. Both hyperglycemia, and more recently, advanced glycation endproducts, have been shown to play critical roles in the development of kidney disease. Moreover, the renin-angiotensin system along with growth fa...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2020-06-01
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| Series: | Frontiers in Physiology |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fphys.2020.00518/full |
| _version_ | 1818019558243434496 |
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| author | Anna M. D. Watson Anna M. D. Watson Eleanor A. M. Gould Sarah C. Moody Priyadharshini Sivakumaran Karly C. Sourris Bryna S. M. Chow Audrey Koïtka-Weber Terri J. Allen Karin A. M. Jandeleit-Dahm Karin A. M. Jandeleit-Dahm Mark E. Cooper Mark E. Cooper Anna C. Calkin Anna C. Calkin |
| author_facet | Anna M. D. Watson Anna M. D. Watson Eleanor A. M. Gould Sarah C. Moody Priyadharshini Sivakumaran Karly C. Sourris Bryna S. M. Chow Audrey Koïtka-Weber Terri J. Allen Karin A. M. Jandeleit-Dahm Karin A. M. Jandeleit-Dahm Mark E. Cooper Mark E. Cooper Anna C. Calkin Anna C. Calkin |
| author_sort | Anna M. D. Watson |
| collection | DOAJ |
| description | It is well established that diabetes is the major cause of chronic kidney disease worldwide. Both hyperglycemia, and more recently, advanced glycation endproducts, have been shown to play critical roles in the development of kidney disease. Moreover, the renin-angiotensin system along with growth factors and cytokines have also been shown to contribute to the onset and progression of diabetic kidney disease; however, the role of lipids in this context is poorly characterized. The current study aimed to compare the effect of 20 weeks of streptozotocin-induced diabetes or western diet feeding on kidney disease in two different mouse strains, C57BL/6 mice and hyperlipidemic apolipoprotein (apo) E knockout (KO) mice. Mice were fed a chow diet (control), a western diet (21% fat, 0.15% cholesterol) or were induced with streptozotocin-diabetes (55 mg/kg/day for 5 days) then fed a chow diet and followed for 20 weeks. The induction of diabetes was associated with a 3-fold elevation in glycated hemoglobin and an increase in kidney to body weight ratio regardless of strain (p < 0.0001). ApoE deficiency significantly increased plasma cholesterol and triglyceride levels and feeding of a western diet exacerbated these effects. Despite this, urinary albumin excretion (UAE) was elevated in diabetic mice to a similar extent in both strains (p < 0.0001) but no effect was seen with a western diet in either strain. Diabetes was also associated with extracellular matrix accumulation in both strains, and western diet feeding to a lesser extent in apoE KO mice. Consistent with this, an increase in renal mRNA expression of the fibrotic marker, fibronectin, was observed in diabetic C57BL/6 mice (p < 0.0001). In summary, these studies demonstrate disparate effects of diabetes and hyperlipidemia on kidney injury, with features of the diabetic milieu other than lipids suggested to play a more prominent role in driving renal pathology. |
| first_indexed | 2024-04-14T07:52:53Z |
| format | Article |
| id | doaj.art-73fcf4a9c4324f12af7fc95a222337db |
| institution | Directory Open Access Journal |
| issn | 1664-042X |
| language | English |
| last_indexed | 2024-04-14T07:52:53Z |
| publishDate | 2020-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Physiology |
| spelling | doaj.art-73fcf4a9c4324f12af7fc95a222337db2022-12-22T02:05:08ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2020-06-011110.3389/fphys.2020.00518508742Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney DiseaseAnna M. D. Watson0Anna M. D. Watson1Eleanor A. M. Gould2Sarah C. Moody3Priyadharshini Sivakumaran4Karly C. Sourris5Bryna S. M. Chow6Audrey Koïtka-Weber7Terri J. Allen8Karin A. M. Jandeleit-Dahm9Karin A. M. Jandeleit-Dahm10Mark E. Cooper11Mark E. Cooper12Anna C. Calkin13Anna C. Calkin14Central Clinical School, Monash University, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaGerman Diabetes Centre (DDZ), Leibniz Centre for Diabetes Research at Heinrich Heine, University Dusseldorf, Dusseldorf, GermanyCentral Clinical School, Monash University, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaCentral Clinical School, Monash University, Melbourne, VIC, AustraliaBaker Heart and Diabetes Institute, Melbourne, VIC, AustraliaIt is well established that diabetes is the major cause of chronic kidney disease worldwide. Both hyperglycemia, and more recently, advanced glycation endproducts, have been shown to play critical roles in the development of kidney disease. Moreover, the renin-angiotensin system along with growth factors and cytokines have also been shown to contribute to the onset and progression of diabetic kidney disease; however, the role of lipids in this context is poorly characterized. The current study aimed to compare the effect of 20 weeks of streptozotocin-induced diabetes or western diet feeding on kidney disease in two different mouse strains, C57BL/6 mice and hyperlipidemic apolipoprotein (apo) E knockout (KO) mice. Mice were fed a chow diet (control), a western diet (21% fat, 0.15% cholesterol) or were induced with streptozotocin-diabetes (55 mg/kg/day for 5 days) then fed a chow diet and followed for 20 weeks. The induction of diabetes was associated with a 3-fold elevation in glycated hemoglobin and an increase in kidney to body weight ratio regardless of strain (p < 0.0001). ApoE deficiency significantly increased plasma cholesterol and triglyceride levels and feeding of a western diet exacerbated these effects. Despite this, urinary albumin excretion (UAE) was elevated in diabetic mice to a similar extent in both strains (p < 0.0001) but no effect was seen with a western diet in either strain. Diabetes was also associated with extracellular matrix accumulation in both strains, and western diet feeding to a lesser extent in apoE KO mice. Consistent with this, an increase in renal mRNA expression of the fibrotic marker, fibronectin, was observed in diabetic C57BL/6 mice (p < 0.0001). In summary, these studies demonstrate disparate effects of diabetes and hyperlipidemia on kidney injury, with features of the diabetic milieu other than lipids suggested to play a more prominent role in driving renal pathology.https://www.frontiersin.org/article/10.3389/fphys.2020.00518/fulldiabetesrenal diseaselipidscholesterolalbuminuria |
| spellingShingle | Anna M. D. Watson Anna M. D. Watson Eleanor A. M. Gould Sarah C. Moody Priyadharshini Sivakumaran Karly C. Sourris Bryna S. M. Chow Audrey Koïtka-Weber Terri J. Allen Karin A. M. Jandeleit-Dahm Karin A. M. Jandeleit-Dahm Mark E. Cooper Mark E. Cooper Anna C. Calkin Anna C. Calkin Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease Frontiers in Physiology diabetes renal disease lipids cholesterol albuminuria |
| title | Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease |
| title_full | Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease |
| title_fullStr | Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease |
| title_full_unstemmed | Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease |
| title_short | Disparate Effects of Diabetes and Hyperlipidemia on Experimental Kidney Disease |
| title_sort | disparate effects of diabetes and hyperlipidemia on experimental kidney disease |
| topic | diabetes renal disease lipids cholesterol albuminuria |
| url | https://www.frontiersin.org/article/10.3389/fphys.2020.00518/full |
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