5/6 nephrectomy (5/6Nx) effect on the cardiac ventricle in mouse
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PROVIDER: PRJNA631147 | ENA |
REPOSITORIES: ENA
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Project description:Chronic kidney disease (CKD) is a very important problem in global health treatment. CKD increases the disease risk of apoplexy, cardiac failure and cardiac infarction. Cardiovascular disease is especially the most serious problem. In this study, the expression of mRNA in the cardiac ventricre prepared from 5/6 nephrectomy (5/6Nx) mouse was investigated.
2020-10-05 | GSE150094 | GEO
Project description:Chronic kidney disease (CKD) is a very important problem in global health treatment. CKD increases the disease risk of apoplexy, cardiac failure and cardiac infarction. Cardiovascular disease is especially the most serious problem. In this study, the expression of mRNA in 5/6 nephrectomy (5/6Nx) mouse splenic monocytes was investigated.
2020-10-05 | GSE140706 | GEO
Project description:Chronic kidney disease (CKD) is a very important problem in global health treatment. CKD increases the disease risk of apoplexy, cardiac failure and cardiac infarction. Cardiovascular disease is especially the most serious problem. In this study, the expression of mRNA in 5/6 nephrectomy (5/6Nx) mouse splenic monocytes was investigated.
2022-07-31 | GSE135191 | GEO
Project description:Chronic renal failure (CRF) is associated with a decrease in drug metabolism. The present study investigated the repercussions of CRF on liver cytochrome P450 (CYPs), but the mechanisms have been little explored. On the other hand, the expression of several CYP genes exhibits circadian rhythm. Here we report that downregulation of hepatic CYP3A11 (the murine homolog to human CYP3A4; the most decrease in 5/6Nx using microarray analysis) by suppressing the expression of clock gene; D-site binding protein (DBP). In vivo experiments, the mRNA levels of hepatic CYP3A11 exhibit circadian rhythm regulated by DBP and E4BP4, and significantly decreased in 5/6Nx. Microarray analysis revealed that the general transcription factors of CYP3A11 did not changed. However, DBP were downregulated and several CYP genes controlled by DBP also significantly decreased in 5/6Nx. These downregulations were not observed in angiotensin II type 1alpha receptor (AT II R1a) deficient 5/6Nx because serum TGF-betaM-BM- was not upregulate. In vitro experiments, the RNA levels of CYP3A11 and DBP were downregulated in wild-type mouse hepatocytes incubated with serum from 5/6Nx, but did not changed in Id2 (-/-) hepatocytes. In fact, hepatic Id2 was upregulated and caused the downregulation of DBP in 5/6Nx. Hepatocyte treated with SD208 (TGF-beta receptor 1 selectivity inhibitor) recovered CYP3A11, DBP and Id2 to control levels. Furthermore, 5/6Nx treated with tranilast (inhibitor of TGF-beta production or isolation) or candesartan (ARBs) also recovered CYP3A11 levels. Our findings define that DBP has effects on downregulation of CYP3A11. In CRF conditions, TGF-beta is upregulated by angiotensin II receptor in renal and downregulates DBP and CYP3A11 levels mediated by Id2 in liver. Furthermore, downregulation of CYP3A11 can prevent by tranilast or candesartan. Differential gene expression between 5/6 nephrectomized and sham-operated mouse was measured on the liver.
2013-08-01 | E-GEOD-35135 | biostudies-arrayexpress
Project description:Chronic renal failure (CRF) is associated with a decrease in drug metabolism. The present study investigated the repercussions of CRF on liver cytochrome P450 (CYPs), but the mechanisms have been little explored. On the other hand, the expression of several CYP genes exhibits circadian rhythm. Here we report that downregulation of hepatic CYP3A11 (the murine homolog to human CYP3A4; the most decrease in 5/6Nx using microarray analysis) by suppressing the expression of clock gene; D-site binding protein (DBP). In vivo experiments, the mRNA levels of hepatic CYP3A11 exhibit circadian rhythm regulated by DBP and E4BP4, and significantly decreased in 5/6Nx. Microarray analysis revealed that the general transcription factors of CYP3A11 did not changed. However, DBP were downregulated and several CYP genes controlled by DBP also significantly decreased in 5/6Nx. These downregulations were not observed in angiotensin II type 1alpha receptor (AT II R1a) deficient 5/6Nx because serum TGF-beta was not upregulate. In vitro experiments, the RNA levels of CYP3A11 and DBP were downregulated in wild-type mouse hepatocytes incubated with serum from 5/6Nx, but did not changed in Id2 (-/-) hepatocytes. In fact, hepatic Id2 was upregulated and caused the downregulation of DBP in 5/6Nx. Hepatocyte treated with SD208 (TGF-beta receptor 1 selectivity inhibitor) recovered CYP3A11, DBP and Id2 to control levels. Furthermore, 5/6Nx treated with tranilast (inhibitor of TGF-beta production or isolation) or candesartan (ARBs) also recovered CYP3A11 levels. Our findings define that DBP has effects on downregulation of CYP3A11. In CRF conditions, TGF-beta is upregulated by angiotensin II receptor in renal and downregulates DBP and CYP3A11 levels mediated by Id2 in liver. Furthermore, downregulation of CYP3A11 can prevent by tranilast or candesartan.
2013-08-01 | GSE35135 | GEO
Project description:5/6 nephrectomy (5/6Nx) effect on the splenic monocytes in mouse
| PRJNA590625 | ENA
Project description:Chronic kidney disease (CKD) is a very important problem in global health treatment. CKD increases the disease risk of apoplexy, cardiac failure and cardiac infarction. In addition, neurological complications, including depression and restless legs syndrome, occur in almost all CKD patients; however, the mechanisms of these neurological complications remain unclear. Here, we showed the disruptive effect of chronic renal failure in 5/6 nephrectomy mice on an immobility time of forced swim and tail suspension test and the 24-hr rhythm of Drd2 and clock gene expressions in the striatum. These disruptive effects were induced by abnormal signal transduction in high TGF-M-NM-21 expression from the kidney. Abnormal TGF-M-NM-2 signal in the striatum led to TCF7L2 expression and ID2 induced by TCF7L2 led to disruption of the 24-hr rhythm of clock gene expression. These findings suggest that neurological complications in CKD might be overcome by amelioration of the TGF-M-NM-2 signal. Differential gene expression between 5/6 nephrectomized and sham-operated mouse was measured on the brain.
2013-08-01 | E-GEOD-35134 | biostudies-arrayexpress
Project description:Chronic kidney disease (CKD) is a very important problem in global health treatment. CKD increases the disease risk of apoplexy, cardiac failure and cardiac infarction. In addition, neurological complications, including depression and restless legs syndrome, occur in almost all CKD patients; however, the mechanisms of these neurological complications remain unclear. Here, we showed the disruptive effect of chronic renal failure in 5/6 nephrectomy mice on an immobility time of forced swim and tail suspension test and the 24-hr rhythm of Drd2 and clock gene expressions in the striatum. These disruptive effects were induced by abnormal signal transduction in high TGF-β1 expression from the kidney. Abnormal TGF-β signal in the striatum led to TCF7L2 expression and ID2 induced by TCF7L2 led to disruption of the 24-hr rhythm of clock gene expression. These findings suggest that neurological complications in CKD might be overcome by amelioration of the TGF-β signal.
2013-08-01 | GSE35134 | GEO
Project description:The circadian clock has been found to be associated with various diseases. We showed that 5/6 nephrectomy (5/6Nx) Clk/Clk mice, which show mutation in the gene encoding circadian locomotor output cycles (Clock) do not show aggravation of renal fibrosis because transforming growth factor-1 (Tgf-1) expression is not increased. In wild-type 5/6Nx kidneys, we found that retinoid, a metabolite of retinol, led to alteration of the expresion 24-h rhythm of Clock expression. Renal Tgf- 1 expression is activated by Clock and further aggravates renal dysfunction by causing fibrosis. We also showed that, in 5/6Nx mice fed a retinol-free diet, renal fibrosis and apoptosis are reduced, leading to a marked improvement in serum creatinine levels. Moreover, our study identified hepatic Cyp3a11 and Cyp26a1 as key retinol metabolism-related genes whose expression decreased in 5/6Nx mice. Our data indicated that the negative chain reaction of metabolic clock alteration in between the kidney and liver aggravates renal dysfunction.
2014-06-06 | GSE57799 | GEO
Project description:The circadian clock has been found to be associated with various diseases. We showed that 5/6 nephrectomy (5/6Nx) Clk/Clk mice, which show mutation in the gene encoding circadian locomotor output cycles (Clock) do not show aggravation of renal fibrosis because transforming growth factor-1 (Tgf-1) expression is not increased. In wild-type 5/6Nx kidneys, we found that retinoid, a metabolite of retinol, led to alteration of the expresion 24-h rhythm of Clock expression. Renal Tgf- 1 expression is activated by Clock and further aggravates renal dysfunction by causing fibrosis. We also showed that, in 5/6Nx mice fed a retinol-free diet, renal fibrosis and apoptosis are reduced, leading to a marked improvement in serum creatinine levels. Moreover, our study identified hepatic Cyp3a11 and Cyp26a1 as key retinol metabolism-related genes whose expression decreased in 5/6Nx mice. Our data indicated that the negative chain reaction of metabolic clock alteration in between the kidney and liver aggravates renal dysfunction. Differential gene expression between retinol (-) feeding and clock mutant in 5/6 nephrectomized mouse was measured on the kidney at 8 weeks after operation. Four-week-old male ICR mice (Charles River Japan, Inc., Yokohama, Japan) were housed in a light-controlled room (lights on from Zeitgeber time [ZT] 0 to ZT12) at 24 ± 1°C and 60 ± 10% humidity, with food and water available ad libitum. Mice were synchronized to the lighting conditions for 2 weeks before surgery. Male ICR mice (5 weeks old) were purchased from Charles River Japan, Inc. (Kanagawa, Japan). Clock mutant mice (C57BL/6J-ClockmlJt/J) were purchased from The Jackson Laboratory (Bar Harbor, ME, USA). We placed them in the ICR genetic background to enhance breeding robustness and care of the young. These mice were backcrossed using a Jcl:ICR background for more than eight generations. We prepared mouse models of CRF by 5/6Nx operation (Ope) under sodium pentobarbital (40 mg/kg, i.p.) or diethyl ether anesthesia. 5/6Nx was performed in two stages. In the first surgical procedure (at 6 weeks of age), two-thirds of the left kidney was removed by cutting off both poles. Seven days later, the right kidney was completely removed. After the operation, mice were housed for 8 weeks (until they were 16 weeks old) in order to achieve CRF. Sham-operated (Sham) mice were subjected to laparotomy on the same days as the procedure in the 5/6Nx mice. This method was also used for treating Clk/Clk mice. Retinol-free food (A minus) was purchased form KBT ORIENTAL CO., LTD. To investigate the influences of retinol-free feeding on kidney, mice were fed from the fourth week to the eighth week after an operation.
2014-06-06 | E-GEOD-57799 | biostudies-arrayexpress