• Journal of Nutrition and Health
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• 제33권6호
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• pp.619-624
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• 2000

The purpose of this study was to investigate the effects of vitamin E on microsomal mixed function oxidase system of kidney in streptozotocin(STZ) induced diabetic rats. Sprague-Dawley male rats weighing 140$\pm$10g were randomly assigned to one control and three STZ-diabetic groups which were subdivided into vitamin E free diet(DM-0E group) 40mg vitamin E per kg diet(DM-40E group) and 400mg vitamin E per kg diet(DM-400E group). Vitamin E level of normal group was 40 mg per kg diet. Diabetes was experimentally induced by intravenous administration of 55 mg/kg B.W of STZ in citrate buffer(pH4.3) after 4 weeks feeding of experimental diets. Animals were sacrificed at the 6th day of diabetic state. The contents of cytochrome P450 in kidney were increased by 82, 54, 41% in DM-0E, DM-40E and DM-400E groups respectively when compared with normal group. The contents of cytochrome b5 in kidney were increased by 28% in DM-0E when compared with normal group but those of DM-40E and DM-400E groups were similar to that of normal group. The activities of NADPH-cytochrome P450 reductase in kidney that were increased by 35% in DM-0E group. Levels of TBARS(thiobarbituric acid reactive substance) in kidney were increased by 207, 129% and 72% in DM-0E and DM-400E groups respectively when compared with normal group but those of DM-40E and DM-400E groups were 26,44% lower than that of DM-0E groups. It is know that the activities of MFO system and lipid peroxidation were inhibited in kidney of STZ-induced diabetic rat by administeration of high doses of vitamin E.(Korean J Nutrition 33(6) : 619~624, 2000)

• Biomolecules & Therapeutics
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• 제7권3호
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• pp.249-256
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• 1999

Glibenclamide(GLY)(1.0 and 3.0 mg/kg), an ATP-dependent $K^+$ channel blocker, when given into the vein in dogs, produced the diuretic action accompanied with the increase of osmolar clearance($C_{osm}$), urinary excretion of $Na^+$ and $K^+$ ($E_{Na}$, $E_K$), and with the decrease in reabsorption rates for $Na^+$ and $K^+$ in renal tubules ($R_{Na}$, $R_K$), and then ratios of $K^+$ against $Na^+$($K^+$/$Na^+$) were decreased. GLY did not affect mean arterial pressure at any doses used. At a low dose(0.1 mg/kg), GLY injected into a renal artery brought about the diurectic action in both experimental and control kidney, however at a higher dose(0.3 mg/kg), GLY appeared significant diuretic action in the control kidney, but not in experimental kidney and the decrease of glomerular filtration rates(GFR), renal plasma flow(RPF), $E_K$, and the increase in $E_{Na}$. In the control kidney, these changes in renal function exhibited the same aspect as shown in intravenous experiments. In experiments given into carotid artery of GLY(0.5 and 1.5 mg/kg), changes in all renal function included the increase in urine volume were the same pattern as shown in intravenous experiments. The above results suggest that glibenclamide produces diuretic action through central function and the action site of the GLY in kidney is the renal distal tubules in dogs.

• Yonsei Medical Journal
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• 제59권9호
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• pp.1015-1025
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• 2018

Kidney diseases including acute kidney injury and chronic kidney disease are among the largest health issues worldwide. Dialysis and kidney transplantation can replace a significant portion of renal function, however these treatments still have limitations. To overcome these shortcomings, a variety of innovative efforts have been introduced, including cell-based therapies. During the past decades, advances have been made in the stem cell and developmental biology, and tissue engineering. As part of such efforts, studies on renal cell therapy and artificial kidney developments have been conducted, and multiple therapeutic interventions have shown promise in the pre-clinical and clinical settings. More recently, therapeutic cell-secreting secretomes have emerged as a potential alternative to cell-based approaches. This approach involves the use of renotropic factors, such as growth factors and cytokines, that are produced by cells and these factors have shown effectiveness in facilitating kidney function recovery. This review focuses on the renotropic functions of bioactive compounds that provide protective and regenerative effects for kidney tissue repair, based on the available data in the literature.

• Journal of Yeungnam Medical Science
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• 제41권2호
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• pp.61-73
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• 2024

Acute kidney ischemia-reperfusion (IR) injury is a life-threatening condition that predisposes individuals to chronic kidney disease. Since the kidney is one of the most energy-demanding organs in the human body and mitochondria are the powerhouse of cells, mitochondrial dysfunction plays a central role in the pathogenesis of IR-induced acute kidney injury. Mitochondrial dysfunction causes a reduction in adenosine triphosphate production, loss of mitochondrial dynamics (represented by persistent fragmentation), and impaired mitophagy. Furthermore, the pathological accumulation of succinate resulting from fumarate reduction under oxygen deprivation (ischemia) in the reverse flux of the Krebs cycle can eventually lead to a burst of reactive oxygen species driven by reverse electron transfer during the reperfusion phase. Accumulating evidence indicates that improving mitochondrial function, biogenesis, and dynamics, and normalizing metabolic reprogramming within the mitochondria have the potential to preserve kidney function during IR injury and prevent progression to chronic kidney disease. In this review, we summarize recent advances in understanding the detrimental role of metabolic reprogramming and mitochondrial dysfunction in IR injury and explore potential therapeutic strategies for treating kidney IR injury.

• 대한간호학회지
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• 제42권7호
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• pp.1070-1078
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• 2012

Purpose: The purpose of this study was to examine the effects of a face-to-face self-management educational program on knowledge, self-care practice and kidney function in patients with chronic kidney disease (CKD) before kidney replacement therapy. Methods: This study employed a nonequivalent control group, non-synchronized design. Data were collected from 61 patients with CKD visiting an outpatient department of nephrology in a university hospital in Seoul, South Korea. The experimental group (n=31) took the pre-test, then after 3 weeks, face-to-face education and individualized consultation (1st intervention), after a week of self-practice, the 1st post-test, followed by re-enforcement education and consultation (2nd intervention), and 4 weeks later, the 2nd post-test. The control group (n=30) took the pre-test and post-tests at 4 and 8 weeks. Results: Scores for knowledge of CKD and self-care practice over time improved significantly in the experimental group compared to the control group. Kidney function did not improve significantly in the experimental group. Conclusion: Health care providers can identify various and individualized needs, and provide effective education and consultation through face to face self-management for patients with chronic irreversible illnesses. Nurses can coordinate for these program by designing and providing systematic and effective education.

• 대한예방한의학회지
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• 제8권2호
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• pp.157-169
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• 2004

We have conducted questionnaire and measured serum kidney function tests on 156 patients whom have received a treatment at a local Oriental medicine clinic in Seoul from Sept. 1, 2002 to Dec. 31, 2002. Patients were categorized into five groups. The groups are control(10 samples), herbal extract group(41 samples), herbal pills group(5samples), western medicines(45samples), and combination group(55 samples). This study was conducted to investigate how these treatment methods can affect the kidney functions. Following results were obtained : 1) Most of the research subjects were male(103 individuals) living in large urban area, with a drinking habit, highly educated, and with normal marriage. For the treatment history, 45 individuals received western medicine treatment(28.85%), 46 with Oriental medicine(29.49%), and 55patients (35.26%) experienced both forms of the treatment. 2) For measuring Mean(SD) of serum kidney functions for all the research subjects, Bun was 12.16(3.90)g/dl, 0.51(0.19) g/dl for Creatinine, and 4.64(1.49)g/dl for Uric acid. All the measurements were within the normal range. 3) Confounding variables which may affect the kidney functions such as age, smoking, drinking, occupation, and residency were eliminated in calculation and no significant differences were witnessed between the control and experiment groups. 4) In measuring affects of treatment duration on the kidney functions, no statistical significances were shown in multiple regression's ${\beta}(SE)$ values. 5) Correlations affecting the kidney functions are duration of drinking, drinking volume per round, drinking volume per week, smoking, gender, and age difference caused significant correlations. From the above results, we can deduce that taking herbal and western medicine didn't cause significant effects between the control and experiment groups in the kidney functions. Further research is needed in this field to verify this evidence by adding odds ratios and etc.

• Clinical and Experimental Pediatrics
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• 제61권11호
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• pp.339-347
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• 2018

Acute kidney injury (AKI) is characterized by abrupt deterioration of renal function, and its diagnosis relies on creatinine measurements and urine output. AKI is associated with higher morbidity and mortality, and is a risk factor for development of chronic kidney disease. There is no proven medication for AKI. Therefore, prevention and early detection are important. Physicians should be aware of the risk factors for AKI and should monitor renal function in high-risk patients. Management of AKI includes optimization of volume status and renal perfusion, avoidance of nephrotoxic agents, and sufficient nutritional support. Continuous renal replacement therapy is widely available for critically ill children, and this review provides basic information regarding this therapy. Long-term follow-up of patients with AKI for renal function, blood pressure, and proteinuria is recommended.

• 사상체질의학회지
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• 제16권3호
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• pp.70-75
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• 2004

1. Objectives The Purpose of this study was to evaluate whether use of Sasang -Bang with western medication may injury the liver and the kidney function. We clinically studied the change Liver function test and BUN/Cr in patients who were hospitalized in Hana oriental Medical center for more than 1 month. 2. Methods The subjects were 33 patients admitted in Hana Oriental Medical center. All patients had been checked Liver Function Test and BUN/Cr three times every 2 weeks. 3. Results Aspartate Aminotransferase(AST), Alanine Aminotransferase(ALT), Gamma-Glutamyl transferase(GGT), Total billirubin, BUN, Creatine didn't change, compared with previous 2 weeks and 4 weeks. 4. Conclusions This study suggests that even though there are few toxic Sasang-Bang, in general, herbal medications with western medications which are prescribed by oriental medicine doctors should be carefully administered not to hurt liver and kidney function.

• Childhood Kidney Diseases
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• 제27권1호
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• pp.19-25
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• 2023

Proteinuria is an important risk factor for renal and cardiovascular disease. It is associated with a risk for glomerulonephritis, chronic kidney disease, and end-stage renal disease. Therefore, if persistent proteinuria is detected, kidney biopsy is considered to diagnose and treat the underlying disease. Recently, variants in the cubilin (CUBN) gene, which is associated with albuminuria, have been reported. This gene encodes cubilin, a membrane glycoprotein receptor expressed in the renal proximal tubules. Cubilin is a component of the megalin and cubilin-amnionless complex that mediates albumin reabsorption into the proximal tubules through endocytosis. A defect in cubilin leads to a reduction in albumin reuptake, resulting in albumin-dominant proteinuria. Although numerous controversies exist, several reports suggest that cubilin defects lead to proteinuria with a high portion of albuminuria but may not impair renal filtration function. If albuminuria due to reduced cubilin function is confirmed as a benign condition, we can consider using genetic studies to detect CUBN mutations in patients with proteinuria and they may not require any treatment or kidney biopsy. Here, we review recent papers on CUBN mutations and discuss the prognosis and management of individuals with this mutation.

• 대한한의학원전학회지
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• 제24권3호
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• pp.71-74
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• 2011

Objective : Nutrient Qi, Blood Qi and Essencial Qi are the most significant qi in spleen, liver and kidney. However, the origins and functions of those qi are not quite detailed somehow. Method : I will try to find out the origins and functions of Nutrient Qi, Blood Qi and Essencial Qi through "Hwangdineijing". Result : The Nutrient Qi is the essence of spleen, Blood Qi is the essence of liver and Essencial Qi is the essence of kidney. Conclusion : The Nutrient Qi has function of nourishment in human body and digestion of water and food in spleen itself. The Blood Qi has a function to make each organ work in human body and to make free coursing in liver itself. Essential Qi has a function to store each essential qi of five viscera in human body and reproduction in kidney itself.