Jin Kyung Kwon, Yaerim Kim, Jin Hyuk Paek, Kyubok Jin, Seungyeup Han, Woo Yeong Park
{"title":"Effectiveness and safety of denosumab on osteoporosis treatment in kidney transplant recipients.","authors":"Jin Kyung Kwon, Yaerim Kim, Jin Hyuk Paek, Kyubok Jin, Seungyeup Han, Woo Yeong Park","doi":"10.23876/j.krcp.24.168","DOIUrl":"https://doi.org/10.23876/j.krcp.24.168","url":null,"abstract":"<p><strong>Background: </strong>Denosumab has been reported to improve bone mineral density (BMD), but the clinical impact of denosumab on osteoporosis in kidney transplant recipients (KTRs) remains controversial.</p><p><strong>Methods: </strong>We analyzed 98 KTRs who used denosumab from 2018 to 2023. We investigated the change in BMD, laboratory findings, complications of denosumab, fracture risk assessment tool (FRAX) score, acute rejection within 1 year, and graft failure.</p><p><strong>Results: </strong>Mean T-scores at 1 year after denosumab were significantly increased compared to mean T-scores pre-denosumab at the femur neck and spine area, respectively (-2.68 ± 0.68 vs. -2.81 ± 0.68, p < 0.001; -2.78 ± 0.96 vs. -3.21 ± 1.00, p < 0.001). The levels of calcium and phosphorus significantly decreased and those of vitamin D significantly increased at 1 year after denosumab, but there were no significant differences in parathyroid hormone, allograft function, and tacrolimus trough level. There were no recurrent fractures among 12 KTRs with a history of fracture, but three de novo fractures happened. Cardiovascular events occurred in three patients. Denosumab-induced hypocalcemia developed in eight patients, but severe hypocalcemia was observed in only one patient. Acute kidney injury did not happen. Urinary tract infection (UTI) occurred in 17 patients. Arthralgia occurred in four patients. FRAX score was significantly decreased after denosumab. Acute rejection within 1 year after denosumab developed in three patients. There was no graft failure.</p><p><strong>Conclusion: </strong>The use of denosumab in KTRs is effective and safe for the treatment of osteoporosis and prevention of fracture, but it should be carefully monitored for complications, especially UTI.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142786128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Alport syndrome and eye.","authors":"Yeonji Jang, Jae Ho Jung","doi":"10.23876/j.krcp.24.080","DOIUrl":"https://doi.org/10.23876/j.krcp.24.080","url":null,"abstract":"<p><p>Alport syndrome, characterized by renal failure, hearing loss, and ocular abnormalities due to collagen type IV gene mutations, exhibits distinctive ocular manifestations in the various ocular tissues including the cornea, lens, and retina. Ophthalmological examinations, providing noninvasive visibility of basement membrane anomalies caused by collagen type IV mutations, can have a role in Alport syndrome diagnostics. Lenticonus, macular fleck, and other abnormalities also can serve as indicators of inheritance patterns and predictors of severe mutations or early-onset renal failure. Recognizing these manifestations in advance enables timely surgical intervention, potentially improving long-term visual outcomes. This review highlights the ocular features in Alport syndrome and contributes to the understanding of the relationships among ocular abnormalities as well as the genotype-phenotype correlations in Alport syndrome. In these ways, hopefully, it will guide further research and help to inform the development of clinical strategies.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142786118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sang-Yoon Han, Myung-Whan Suh, Moo Kyun Park, Jun Ho Lee, Hee Gyung Kang, Sang-Yeon Lee
{"title":"Hearing loss phenotypes in Alport syndrome: experience in a tertiary referral center.","authors":"Sang-Yoon Han, Myung-Whan Suh, Moo Kyun Park, Jun Ho Lee, Hee Gyung Kang, Sang-Yeon Lee","doi":"10.23876/j.krcp.24.091","DOIUrl":"10.23876/j.krcp.24.091","url":null,"abstract":"<p><strong>Background: </strong>Despite previous reports of auditory phenotypes in Alport syndrome (AS), there have been no studies specifically addressing audiological phenotypes in South Korea. Herein, we elaborated on the audiological characteristics associated with AS based on their genotypes.</p><p><strong>Methods: </strong>We reviewed data from in-house AS patients between March 2014 and February 2023, excluding those without audiological documentation or genetic diagnoses. We retrieved medical history, hearing level, estimated glomerular filtration rate (eGFR), and genotypes from their medical records. The natural course of hearing loss and correlations between audiogram and eGFR were evaluated according to audio-gene profiles.</p><p><strong>Results: </strong>Our study included 49 AS patients from 47 families, identifying 60 disease-causing variants, 45 of which were novel. All variants were classified as pathogenic or likely pathogenic based on ACMG-AMP guidelines. The auditory phenotypes of autosomal recessive AS (ARAS) and male X-linked AS (XLAS) patients demonstrated a progressive nature, with a down-sloping configuration. The ARAS with truncated variants exhibited an earlier onset of hearing loss than those with non-truncated variants. In male XLAS patients, the presence of truncated allele linked to more rapid hearing deterioration across all frequencies. In both ARAS and male XLAS patients, the presence of truncated allele was significantly associated with hearing severity and eGFR. Conversely, the majority of female XLAS and autosomal dominant AS maintained normal hearing levels without any correlation of eGFR, regardless of genotypes.</p><p><strong>Conclusion: </strong>This study detailed the auditory phenotypes and the auditory-renal association of AS at a tertiary center in South Korea, providing valuable references that guide auditory testing and rehabilitation strategies.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142668439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yaerim Kim, Kyungho Ha, Jeonghwan Lee, Eunjin Bae, Jin Hyuk Paek, Woo Yeong Park, Kyubok Jin, Seungyeup Han, Dong Ki Kim, Chun Soo Lim, Jung Pyo Lee
{"title":"Effects of dietary fatty acid on all-cause mortality according to the kidney function based on the nationwide population study.","authors":"Yaerim Kim, Kyungho Ha, Jeonghwan Lee, Eunjin Bae, Jin Hyuk Paek, Woo Yeong Park, Kyubok Jin, Seungyeup Han, Dong Ki Kim, Chun Soo Lim, Jung Pyo Lee","doi":"10.23876/j.krcp.24.121","DOIUrl":"10.23876/j.krcp.24.121","url":null,"abstract":"<p><strong>Background: </strong>Although the relationship between fatty acids (FAs) and the risk of all-cause mortality has been long discussed, there is little evidence about the impact of each FA component on all-cause mortality by kidney function status.</p><p><strong>Methods: </strong>We used data from the U.S. National Health and Nutrition Examination Survey 1999-2016. The intake of FAs was estimated as a percentage of total energy using a 1-day 24-hour dietary recall and divided by quartiles; the first quartile was regarded as a reference. We used a multivariate Cox proportional hazard model to identify the impact of FAs on all-cause mortality.</p><p><strong>Results: </strong>Among 44,332 participants, during 129.0 ± 62.4 months of follow-up, there were 1,623 (6.2%), 3,109 (22.3%), and 2,202 deaths (53.1%) in the estimated glomerular filtration rate (eGFR) ≥90, 60-90, and <60 mL/min/1.73 m2 groups, respectively. Higher intake of SFAs significantly increased the risk of all-cause mortality in participants with eGFR 60-90 mL/min/1.73 m2 (adjusted hazard ratio, 1.20 in the 4th quartile). Likewise, higher intake of most PUFAs (octadecadienoic acid, octadecatrienoic acid, omega-6, and omega-3) significantly decreased the risk of all-cause mortality in participants with eGFR 60-90 mL/min/1.73 m2 . These effects of both SFAs and PUFAs were attenuated in participants with eGFR ≥90 and <60 mL/min/1.73 m2 .</p><p><strong>Conclusion: </strong>The impact of dietary FAs on all-cause mortality was prominent in participants with eGFR 60-90 mL/min/1.73 m2 . More specified and targeted counseling for restricting SFAs and encouraging PUFAs needs to be considered, especially for participants with marginally decreased kidney function.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142668438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Minyoul Baik, Jimin Jeon, Joonsang Yoo, Hyo Suk Nam, Ji Hoe Heo, Jinkwon Kim, Young Dae Kim
{"title":"Risk of cardiovascular events following hemodialysis initiation: a self-controlled case series study.","authors":"Minyoul Baik, Jimin Jeon, Joonsang Yoo, Hyo Suk Nam, Ji Hoe Heo, Jinkwon Kim, Young Dae Kim","doi":"10.23876/j.krcp.24.097","DOIUrl":"10.23876/j.krcp.24.097","url":null,"abstract":"<p><strong>Background: </strong>Patients with chronic kidney disease (CKD) are at high risk for cardiovascular disease (CVD). We aimed to evaluate whether hemodialysis (HD) initiation is associated with CVD risk in patients with CKD.</p><p><strong>Methods: </strong>This self-controlled case series, using data from a nationwide Korean health claims database, included patients with CKD who initiated HD between 2007 and 2019 and experienced CVD, including acute stroke or myocardial infarction (MI), between 2008 and 2020. The risk periods were categorized relative to HD initiation (-60 to -31, -30 to -11, -10 to -1, +1 to +10, +11 to +30, +31 to +60, and +61 to +150 days); the remaining period was set as baseline. The age-adjusted incidence rate ratio (IRR) of CVD in each risk period relative to the baseline was calculated.</p><p><strong>Results: </strong>Of the 74,584 patients with CKD on incident HD, 12,875 patients with CVD (6,367 with ischemic stroke, 2,396 with hemorrhagic stroke, and 4,112 with MI) were included. Compared with the baseline period, the risk of CVD increased in the post-dialysis periods, decreasing with time since HD initiation; the adjusted IRR during the first 10 days after HD initiation was 2.95 (95% confidence interval, 2.44-3.56). Although the risks of ischemic stroke and MI decreased at 1 to 2 months after HD initiation, the hemorrhagic stroke risk was higher for 5 months.</p><p><strong>Conclusion: </strong>After HD initiation, the CVD risk increases in patients with CKD. For CVD prevention, the CVD risk should be carefully evaluated in patients with CKD who require HD.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142668441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Renal transplantation in Alport syndrome.","authors":"Soyeon Kim, Soon Hyo Kwon","doi":"10.23876/j.krcp.24.143","DOIUrl":"10.23876/j.krcp.24.143","url":null,"abstract":"<p><p>Kidney transplantation is recognized as an effective treatment for end-stage renal disease in Alport syndrome, demonstrating outcomes comparable to or even superior to those in other causes of renal failure. When considering living related donor kidney transplantation for Alport syndrome patients, it is crucial to consider genetic factors during the donor selection process. In addition to a comprehensive health check, genetic testing is strongly recommended for potential donors at risk of carrying mutations in COL4A3-COL4A5 before undergoing kidney transplantation. Individuals carrying these mutations face an inherent risk of kidney disease and due to the possibility of further deterioration in renal function after nephrectomy for transplantation, they are not suitable as priority donors. Posttransplant anti-glomerular basement membrane nephritis is rare but can lead to graft loss, especially in males with X-linked Alport syndrome.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142668440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Donghwan Yun, Seung Seok Han, Jeonghwan Lee, Yaerim Kim, Kwangsoo Kim, Kyubok Jin, Ji Eun Kim, Shin Young Ahn, Gang-Jee Ko, Seokwoo Park, Sejoong Kim, Hee-Yeon Jung, Jang-Hee Cho, Sun-Hee Park, Eun Sil Koh, Sungjin Chung, Jung Pyo Lee, Dong Ki Kim, Sung Gyun Kim, Jung Nam An
{"title":"Study protocol for a consortium linking health medical records, biospecimens, and biosignals in Korean patients with acute kidney injury (LINKA cohort).","authors":"Donghwan Yun, Seung Seok Han, Jeonghwan Lee, Yaerim Kim, Kwangsoo Kim, Kyubok Jin, Ji Eun Kim, Shin Young Ahn, Gang-Jee Ko, Seokwoo Park, Sejoong Kim, Hee-Yeon Jung, Jang-Hee Cho, Sun-Hee Park, Eun Sil Koh, Sungjin Chung, Jung Pyo Lee, Dong Ki Kim, Sung Gyun Kim, Jung Nam An","doi":"10.23876/j.krcp.24.061","DOIUrl":"https://doi.org/10.23876/j.krcp.24.061","url":null,"abstract":"<p><strong>Background: </strong>Acute kidney injury (AKI) may transition into acute kidney disease (AKD) or chronic kidney disease (CKD), leading to subacute and chronic deterioration, respectively. Despite extensive research on AKI, a significant gap exists in understanding the specific biomarkers and development of individualized treatments prior to progression to AKD and CKD.</p><p><strong>Methods: </strong>As a consortium linking health medical records, biospecimens, and biosignals, eight Korean tertiary hospitals participated in the establishment of a retrospective and prospective cohort, each comprising approximately 1,500 patients with AKI receiving continuous kidney replacement therapy (CKRT). Other information included AKI-related information, CKRT prescriptions, and patient outcomes. Follow-up timeframes were set at baseline, 1 week, 3 months, and 1 year after the initiation of CKRT. Human biospecimens will be collected from the prospective cohort. An artificial intelligence model was developed using the retrospective cohort to predict the prognosis of AKD and its subsequent sequelae and to formulate patient-individualized treatments, with validation planned in a prospective cohort. Follow-up studies are scheduled to identify biomarkers related to outcomes using biospecimens. Finally, based on the results and literature review, decision-making on the prevention and management of diseases, as well as the development of treatment guidelines, are being planned.</p><p><strong>Conclusion: </strong>This study will provide scientific evidence on clinical insights and appropriate management targets for AKI and AKD, which will form the basis for relevant treatment guidelines. Additionally, these findings may facilitate a more personalized approach to patient care, enabling clinicians to tailor treatments based on individual biomarker profiles and predictive models.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of clinical outcomes based on dialysis modality and icodextrin usage in patients on peritoneal dialysis.","authors":"Seok Hui Kang, Jun Young Do","doi":"10.23876/j.krcp.24.017","DOIUrl":"https://doi.org/10.23876/j.krcp.24.017","url":null,"abstract":"<p><strong>Background: </strong>There is no conclusive evidence regarding the survival benefits of automated peritoneal dialysis (APD) or the use of icodextrin. This study aimed to evaluate patient and technique survival among four groups divided based on peritoneal dialysis modality and icodextrin use over 1 year.</p><p><strong>Methods: </strong>We specifically included patients who underwent a single peritoneal dialysis modality for at least 1 year during that period (n = 148). The participants were categorized into four groups for comparison: continuous ambulatory peritoneal dialysis (CAPD) without icodextrin (CAPD-ET, n = 39); CAPD with icodextrin (CAPD+ET, n = 35); APD without icodextrin (APD-ET, n = 40); and APD with icodextrin (APD+ET, n = 34).</p><p><strong>Results: </strong>The CAPD+ET group had a higher patient survival rate than that of the APD-ET group and also had a higher technique survival trend than that of the APD-ET group, despite no statistical significance. In patients without diabetes mellitus (DM), the APD-ET group had a poorer patient survival trend than those of the APD+ET or CAPD+ET groups. In patients without DM, the APD+ET group had a higher technique survival than the APD-ET group. In addition, the APD+ET group showed a higher technique survival trend than did the CAPD-ET group, despite non-statistical significance. The edema index after 1 year of follow-up was higher in the APD-ET group than in the other groups.</p><p><strong>Conclusion: </strong>The present study demonstrated that patients undergoing APD without icodextrin had poor patient and technique survival trends, which may be caused by poor volume control.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jeong Hoon Park, Sung Gi Yoon, Jung Yeon Ghee, Ji Ae Yoo, Jin Joo Cha, Young Sun Kang, Sang Youb Han, Yun Jae Seol, Jee Young Han, Dae Ryong Cha
{"title":"Pan-Nox inhibitor treatment improves renal function in aging murine diabetic kidneys.","authors":"Jeong Hoon Park, Sung Gi Yoon, Jung Yeon Ghee, Ji Ae Yoo, Jin Joo Cha, Young Sun Kang, Sang Youb Han, Yun Jae Seol, Jee Young Han, Dae Ryong Cha","doi":"10.23876/j.krcp.23.004","DOIUrl":"10.23876/j.krcp.23.004","url":null,"abstract":"<p><strong>Background: </strong>Aging is a risk factor for development of chronic kidney disease and diabetes mellitus with commonly shared features of chronic inflammation and increased oxidative stress. Here, we investigated the effect of pan-Nox-inhibitor, APX-115, on renal function in aging diabetic mice.</p><p><strong>Methods: </strong>Diabetes was induced by intraperitoneal injection of streptozotocin at 50 mg/kg/day for 5 days in 52-week-old C57BL/6J mice. APX-115 was administered by oral gavage at a dose of 60 mg/kg/day for 12 weeks in nondiabetic and diabetic aging mice.</p><p><strong>Results: </strong>APX-115 significantly improved insulin resistance in diabetic aging mice. Urinary level of 8-isoprostane was significantly increased in diabetic aging mice than nondiabetic aging mice, and APX-115 treatment reduced 8-isoprostane level. Urinary albumin and nephrin excretion were significantly higher in diabetic aging mice than nondiabetic aging mice. Although APX-115 did not significantly decrease albuminuria, APX-115 markedly improved mesangial expansion, macrophage infiltration, and expression of fibrosis molecules such as transforming growth factor beta 1 and plasminogen activator inhibitor 1. Interestingly, the expression of all Nox isoforms including Nox1, Nox2, and Nox4 was significantly increased in diabetic aging kidneys, and APX-115 treatment decreased Nox1, Nox2, and Nox4 protein expression in the kidney. Furthermore, Klotho expression was significantly decreased in diabetic aging kidneys, and APX-115 restored Klotho level.</p><p><strong>Conclusion: </strong>Our results provide evidence that pan-Nox inhibition may improve systemic insulin resistance and decrease oxidative stress, inflammation, and fibrosis in aging diabetic status and may have potential protective effects on aging diabetic kidney.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"763-773"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11615449/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10020584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pathological and functional significance of aging mouse kidneys: clinical implications to reduce the risk of hyper- or hypokalemia in the elderly.","authors":"Itsuro Kazama","doi":"10.23876/j.krcp.24.012","DOIUrl":"10.23876/j.krcp.24.012","url":null,"abstract":"<p><p>Elderly patients are prone to develop hyper- or hypokalemia, since they are susceptible to drugs or diets that affect the urinary or fecal potassium (K+) excretion. In aging mouse kidneys, in addition to glomerulosclerosis, proximal tubular atrophy, and atherosclerosis in renal arterioles, there was diffuse tubulointerstitial fibrosis with a number of inflammatory leukocytes infiltrating into the cortical interstitium. Since these pathological features greatly influence renal K+ handling, slowing the progression of kidney aging would fundamentally reduce the risk of developing hyper- or hypokalemia. Immunohistochemistry demonstrated the overexpression of K+ channels (Kv1.3) in leukocytes within the cortical interstitium, which was strongly associated with \"chronic inflammation\" in aging kidneys and the subsequent progression of renal fibrosis. In our basic studies, antihypertensive drugs (benidipine, nifedipine, verapamil, diltiazem) and anticholesterol drugs (lovastatin, simvastatin, pravastatin) strongly suppressed the leukocyte Kv1.3 channels and thus exerted anti-inflammatory effects. Given such pharmacological properties of these drugs, they may also be useful in slowing the progression of tubulointerstitial fibrosis in aging kidneys and reducing the risk of hyper- or hypokalemia in elderly patients.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"703-708"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11615447/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141897747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}