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Zhu H, Chen Y, Feng Y, Chen H. Association between the composite dietary antioxidant index and the prevalence and recurrence of kidney stones: results of a nationwide survey. Front Nutr 2024; 11:1413937. [PMID: 38962435 PMCID: PMC11220257 DOI: 10.3389/fnut.2024.1413937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 06/07/2024] [Indexed: 07/05/2024] Open
Abstract
Aim This study aims to evaluate the relationship between the Composite Dietary Antioxidant Index (CDAI) and the prevalence and recurrence of kidney stones. Methods Data from the National Health and Nutrition Examination Survey (NHANES) collected between 2007 and 2014 were used in this cross-sectional analysis. The CDAI was derived by standardizing the intake of dietary antioxidants from 24 h dietary recalls. The study assessed the prevalence and recurrence of kidney stones based on questionnaire responses. The association between the CDAI and both the prevalence and recurrence of kidney stones was investigated using multivariable logistic regression. Subgroup analyses and interaction tests further evaluated the robustness of this relationship. Results The study included 20,743 participants, and the reported incidence and recurrence rates of kidney stones were 9.09 and 2.90%, respectively. After stratifying the CDAI into tertiles, an inverse trend was observed in both kidney stones' prevalence and recurrence probabilities with increasing CDAI levels. Adjusting for confounding factors, individuals in the top tertile had a 23% lower prevalence of kidney stones (OR = 0.77, 95% CI: 0.66, 0.90, p = 0.0011) and a 39% lower recurrence rate (OR = 0.61, 95% CI: 0.47, 0.80, p = 0.0003) than those in the bottom tertile. In addition, interaction tests showed that age, gender, body mass index, hypertension, and diabetes did not significantly affect the relationship between CDAI levels and kidney stone prevalence and recurrence rates. Conclusion Our study suggests that increased levels of CDAI are associated with reduced incidence and recurrence rates of kidney stones. Therefore, increasing the intake of dietary antioxidants may be an effective strategy for preventing kidney stones and their recurrence.
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Affiliation(s)
| | | | - Yue Feng
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Hui Chen
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, China
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Aiumtrakul N, Thongprayoon C, Suppadungsuk S, Krisanapan P, Pinthusopon P, Mao MA, Arayangkool C, Vo KB, Wannaphut C, Miao J, Cheungpasitporn W. Global Trends in Kidney Stone Awareness: A Time Series Analysis from 2004-2023. Clin Pract 2024; 14:915-927. [PMID: 38804404 PMCID: PMC11130814 DOI: 10.3390/clinpract14030072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/10/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Despite the prevalence and incidence of kidney stones progressively increasing worldwide, public awareness of this condition remains unclear. Understanding trends of awareness can assist healthcare professionals and policymakers in planning and implementing targeted health interventions. This study investigated online search interest in "kidney stone" by analyzing Google Trends, focusing on stationarity of the trends and predicting future trends. METHODS We performed time series analysis on worldwide Google monthly search data from January 2004 to November 2023. The Augmented Dickey-Fuller (ADF) test was used to assess the stationarity of the data, with a p-value below 0.05 indicating stationarity. Time series forecasting was performed using the autoregressive integrated moving average to predict future trends. RESULTS The highest search interest for "kidney stone" (score 100) was in August 2022, while the lowest was in December 2007 (score 36). As of November 2023, search interest remained high, at 92. The ADF test was significant (p = 0.023), confirming data stationarity. The time series forecasting projected continued high public interest, likely reflecting ongoing concern and awareness. Notably, diverse regions such as Iran, the Philippines, Ecuador, the United States, and Nepal showed significant interest, suggesting widespread awareness of nephrolithiasis. CONCLUSION This study highlighted that "kidney stone" is a consistently relevant health issue globally. The increase and stationarity of search trends, the forecasted sustained interest, and diverse regional interest emphasize the need for collaborative research and educational initiatives. This study's analysis serves as a valuable tool for shaping future healthcare policies and research directions in addressing nephrolithiasis related health challenges.
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Affiliation(s)
- Noppawit Aiumtrakul
- Department of Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA; (N.A.); (C.A.); (K.B.V.); (C.W.)
| | - Charat Thongprayoon
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA; (C.T.); (S.S.); (P.K.); (J.M.)
| | - Supawadee Suppadungsuk
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA; (C.T.); (S.S.); (P.K.); (J.M.)
- Chakri Naruebodindra Medical Institute, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Samut Prakan 10540, Thailand
| | - Pajaree Krisanapan
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA; (C.T.); (S.S.); (P.K.); (J.M.)
- Department of Internal Medicine, Faculty of Medicine, Thammasat University, Pathum Thani 12120, Thailand
| | | | - Michael A. Mao
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Jacksonville, FL 32224, USA;
| | - Chinnawat Arayangkool
- Department of Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA; (N.A.); (C.A.); (K.B.V.); (C.W.)
| | - Kristine B. Vo
- Department of Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA; (N.A.); (C.A.); (K.B.V.); (C.W.)
| | - Chalothorn Wannaphut
- Department of Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA; (N.A.); (C.A.); (K.B.V.); (C.W.)
| | - Jing Miao
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA; (C.T.); (S.S.); (P.K.); (J.M.)
| | - Wisit Cheungpasitporn
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA; (C.T.); (S.S.); (P.K.); (J.M.)
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Liu Y, Ku PW, Li Z, Yang H, Zhang T, Chen L, Xia Y, Bai S. Intensity-Specific Physical Activity Measured by Accelerometer, Genetic Susceptibility, and the Risk of Kidney Stone Disease: Results From the UK Biobank. Am J Kidney Dis 2024:S0272-6386(24)00760-1. [PMID: 38754804 DOI: 10.1053/j.ajkd.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 03/01/2024] [Accepted: 03/09/2024] [Indexed: 05/18/2024]
Abstract
RATIONALE & OBJECTIVE Kidney stone disease (KSD), a significant health care problem within both developed and developing countries, has been associated with genetic risk factors. An association between physical activity and KSD risk also has been hypothesized, but studies have yielded inconsistent findings. This study investigated the association between the intensity of physical activity and the incidence of KSD accounting for genetic risk. STUDY DESIGN Prospective cohort study. SETTING & PARTICIPANTS A total of 80,473 participants from the UK Biobank Study. EXPOSURE Physical activity levels, including total physical activity (TPA), moderate-to-vigorous intensity physical activity (MVPA), and light-intensity physical activity (LPA), were measured using accelerometers and quantified using a machine learning model. A polygenic risk score (PRS) for KSD was also constructed. OUTCOME Individuals with KSD were identified using the International Classification of Diseases, Tenth Revision (ICD-10), and procedure codes for KSD surgery. ANALYTICAL APPROACH A Fine and Gray survival model was used to estimate the associations of incident KSD with TPA, MVPA, LPA, and PRS (as categorical variables). Restricted cubic splines were used to examine potential nonlinear associations within the fully adjusted models. RESULTS During an average follow-up of 6.19 years, 421 participants developed KSD. Participants in the highest quartiles of TPA, MVPA, and LPA had lower adjusted rates of KSD compared with those in the lowest quartiles: HR, 0.50 (95% CI, 0.44-0.56), 0.57 (95% CI, 0.51-0.64), and 0.66 (95% CI, 0.59-0.74), respectively. TPA, MVPA, and LPA were associated with a lower risk of KSD in participants with low and high genetic predisposition for KSD. LIMITATIONS Selection bias as participants who provided accelerometry data may have been more adherent to health care. CONCLUSIONS Physical activity was negatively associated with the risk of KSD, regardless of the genetic risk. Future large studies are warranted to confirm and explain the mechanisms underlying these associations. PLAIN-LANGUAGE SUMMARY The association between the intensity of physical activity (PA) and the incidence of kidney stone disease (KSD) after accounting for genetic risk is unclear. We conducted a comprehensive prospective cohort study utilizing participants from the UK Biobank to assess the intensity of PA using accelerometers. Our study findings indicated that greater total PA, moderate-to-vigorous-intensity PA, and light-intensity PA were each associated with a lower risk of KSD irrespective of an individual's genetic risk. Our study informs the understanding of risk factors for KSD.
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Affiliation(s)
- Yashu Liu
- Department of General Surgery, Shenyang
| | - Po-Wen Ku
- Graduate Institute of Sports and Health Management, National Chung Hsing University, Taichung; Department of Kinesiology, National Tsing Hua University, Hsinchu City, Taiwan; Department of Behavioural Science and Health, University College London, London, United Kingdom
| | | | - Honghao Yang
- Department of Clinical Epidemiology, Shenyang; Shengjing Hospital of China Medical University, and Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang
| | | | - Liangkai Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yang Xia
- Department of Clinical Epidemiology, Shenyang; Shengjing Hospital of China Medical University, and Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang.
| | - Song Bai
- Department of Urology Surgery, Shenyang.
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Huang Y, Zhu W, Zhou J, Huang Q, Zeng G. Navigating the Evolving Landscape of Primary Hyperoxaluria: Traditional Management Defied by the Rise of Novel Molecular Drugs. Biomolecules 2024; 14:511. [PMID: 38785918 PMCID: PMC11117870 DOI: 10.3390/biom14050511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 05/25/2024] Open
Abstract
Primary hyperoxalurias (PHs) are inherited metabolic disorders marked by enzymatic cascade disruption, leading to excessive oxalate production that is subsequently excreted in the urine. Calcium oxalate deposition in the renal tubules and interstitium triggers renal injury, precipitating systemic oxalate build-up and subsequent secondary organ impairment. Recent explorations of novel therapeutic strategies have challenged and necessitated the reassessment of established management frameworks. The execution of diverse clinical trials across various medication classes has provided new insights and knowledge. With the evolution of PH treatments reaching a new milestone, prompt and accurate diagnosis is increasingly critical. Developing early, effective management and treatment plans is essential to improve the long-term quality of life for PH patients.
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Affiliation(s)
- Yueqi Huang
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Wei Zhu
- Department of Urology and Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510230, China;
| | - Jia Zhou
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Qiulin Huang
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Guohua Zeng
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
- Department of Urology and Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510230, China;
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Kim JY, Lee JK, Park JT, Chang TI. Risk of incident chronic kidney disease among patients with urolithiasis: a nationwide longitudinal cohort study. Clin Kidney J 2024; 17:sfae030. [PMID: 38435351 PMCID: PMC10906355 DOI: 10.1093/ckj/sfae030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Indexed: 03/05/2024] Open
Abstract
Background Urolithiasis has been infrequently implicated to have a causal association with chronic kidney disease (CKD). Recently, several studies have demonstrated the relationship between urolithiasis and CKD. However, the generalizability of their results is limited. This study aimed to investigate the association between urolithiasis and the risk of incident CKD. Methods This longitudinal cohort study used the National Health Insurance Service data, including 219 570 Korean adults with incident urolithiasis requiring procedural interventions and without prior kidney disease and 219 570 age- and sex-matched controls without urolithiasis between 1 January 2002 and 31 December 2020. Primary outcome was the development of CKD, defined by an estimated glomerular filtration rate <60 ml/min/1.73 m2 for at least two consecutive measurements at least 90 days apart. The risk for incident CKD was further examined using the outcome defined by newly occurring diagnostic codes indicating CKD. Results Over a mean follow-up of 6 years, 12 338 (2.8%) primary outcome events of CKD were observed (incidence rate 4.6/1000 person-years). Per multivariable Cox analysis, urolithiasis was associated with a higher risk of incident CKD [adjusted hazard ratio 1.41 (95% confidence interval 1.36-1.46)]. This association remained consistent across all clinically relevant subgroups and when the CKD outcome was defined based on the diagnostic codes in the sensitivity analysis. Conclusions In this large national cohort study, patients with urolithiasis were associated with a higher risk of incident CKD than those without urolithiasis. Further studies are warranted to establish the benefits of preventing urolithiasis in reducing CKD development.
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Affiliation(s)
- Jae Young Kim
- Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyangshi, Gyeonggi-do, Republic of Korea
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Jae Kwang Lee
- Research and Analysis Team, National Health Insurance Service Ilsan Hospital, Goyangshi, Gyeonggi-do, Republic of Korea
| | - Jung Tak Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Tae Ik Chang
- Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyangshi, Gyeonggi-do, Republic of Korea
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Paik JM, Tesfaye H, Curhan GC, Zakoul H, Wexler DJ, Patorno E. Sodium-Glucose Cotransporter 2 Inhibitors and Nephrolithiasis Risk in Patients With Type 2 Diabetes. JAMA Intern Med 2024; 184:265-274. [PMID: 38285598 PMCID: PMC10825784 DOI: 10.1001/jamainternmed.2023.7660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/21/2023] [Indexed: 01/31/2024]
Abstract
Importance Type 2 diabetes (T2D) is associated with an increased risk of kidney stones. Sodium-glucose cotransporter 2 inhibitors (SGLT2is) might lower the risk of nephrolithiasis by altering urine composition. However, no studies have investigated the association between SGLT2i use and nephrolithiasis risk in patients receiving routine care in the US. Objective To investigate the association between SGLT2i use and nephrolithiasis risk in clinical practice. Design, Setting, and Participants This new-user, active comparator cohort study used data from commercially insured adults (aged ≥18 years) with T2D who initiated treatment with SGLT2is, glucagon-like peptide 1 receptor agonists (GLP-1RAs), or dipeptidyl peptidase 4 inhibitors (DPP4is) between April 1, 2013, and December 31, 2020. The data were analyzed from July 2021 through June 2023. Exposure New initiation of an SGLT2i, GLP-1RA, or DPP4i. Main Outcomes and Measures The primary outcome was nephrolithiasis diagnosed by International Classification of Diseases codes in the inpatient or outpatient setting. New SGLT2i users were 1:1 propensity score matched to new users of a GLP-1RA or DPP4i in pairwise comparisons. Incidence rates, rate differences (RDs), and estimated hazard ratios (HRs) with 95% CIs were calculated. Results After 1:1 propensity score matching, a total of 716 406 adults with T2D (358 203 pairs) initiating an SGLT2i or a GLP-1RA (mean [SD] age, 61.4 [9.7] years for both groups; 51.4% vs 51.2% female; 48.6% vs 48.5% male) and 662 056 adults (331 028 pairs) initiating an SGLT2i or a DPP4i (mean [SD] age, 61.8 [9.3] vs 61.7 [10.1] years; 47.4% vs 47.3% female; 52.6% vs 52.7% male) were included. Over a median follow-up of 192 (IQR, 88-409) days, the risk of nephrolithiasis was lower in patients initiating an SGLT2i than among those initiating a GLP-1RA (14.9 vs 21.3 events per 1000 person-years; HR, 0.69 [95% CI, 0.67-0.72]; RD, -6.4 [95% CI, -7.1 to -5.7]) or a DPP4i (14.6 vs 19.9 events per 1000 person-years; HR, 0.74 [95% CI, 0.71-0.77]; RD, -5.3 [95% CI, -6.0 to -4.6]). The association between SGLT2i use and nephrolithiasis risk was similar by sex, race and ethnicity, history of chronic kidney disease, and obesity. The magnitude of the risk reduction with SGLT2i use was larger among adults aged younger than 70 years vs aged 70 years or older (HR, 0.85 [95% CI, 0.79-0.91]; RD, -3.46 [95% CI, -4.87 to -2.05] per 1000 person-years; P for interaction <.001). Conclusions and Relevance These findings suggest that in adults with T2D, SGLT2i use may lower the risk of nephrolithiasis compared with GLP-1RAs or DPP4is and could help to inform decision-making when prescribing glucose-lowering agents for patients who may be at risk for developing nephrolithiasis.
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Affiliation(s)
- Julie M. Paik
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
- Division of Renal (Kidney) Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
- New England Geriatric Research, Education and Clinical Center, VA Boston Healthcare System, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Helen Tesfaye
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Gary C. Curhan
- Division of Renal (Kidney) Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Heidi Zakoul
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Deborah J. Wexler
- Harvard Medical School, Boston, Massachusetts
- Diabetes Center, Massachusetts General Hospital, Boston, Massachusetts
| | - Elisabetta Patorno
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
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Soderberg L, Ergun O, Ding M, Parker R, Borofsky M, Pais V, Dahm P. Percutaneous nephrolithotomy vs retrograde intrarenal surgery for renal stones: a Cochrane Review. BJU Int 2024; 133:132-140. [PMID: 37942649 DOI: 10.1111/bju.16220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
OBJECTIVES To assess the effects of percutaneous nephrolithotomy (PCNL) vs retrograde intrarenal surgery (RIRS) for the treatment of renal stones in adults. METHODS We performed a comprehensive search of the Cochrane Library, MEDLINE, Embase, three other databases, trials registries, other sources of the grey literature, and conference proceedings up to 23 March 2023. We applied no restrictions on publication language or status. Screening, data extraction, risk-of-bias assessment, and certainty of evidence (CoE) rating using the Grading of Recommendations Assessment, Development and Evaluations (GRADE) approach were done in duplicate by two independent reviewers. This co-publication focuses on the primary outcomes of this review only. RESULTS We included 42 trials that met the inclusion criteria. Stone-free rate (SFR): PCNL may improve SFRs (risk ratio [RR] 1.13, 95% confidence interval [CI] 1.08-1.18; I2 = 71%; 39 studies, 4088 participants; low CoE). Major complications: PCNL probably has little to no effect on major complications (RR 0.86, 95% CI 0.59-1.25; I2 = 15%; 34 studies, 3649; participants; moderate CoE) compared to RIRS. Need for secondary interventions: PCNL may reduce the need for secondary interventions (RR 0.31, 95% CI 0.17-0.55; I2 = 61%; 21 studies, 2005 participants; low CoE) compared to RIRS. CONCLUSION Despite shortcomings in most studies that lowered our certainty in the estimates of effect to mostly very low or low, we found that PCNL may improve SFRs and reduce the need for secondary interventions while not impacting major complications. Ureteric stricture rates may be similar compared to RIRS. We expect the findings of this review to be helpful for shared decision-making about management choices for individuals with renal stones.
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Affiliation(s)
- Leah Soderberg
- Department of Hospital Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Onuralp Ergun
- Urology Section, Minneapolis VA Health Care System, Minneapolis, MN, USA
- Department of Urology, University of Minnesota, Minneapolis, MN, USA
| | - Maylynn Ding
- School of Medicine, McMaster University, Hamilton, ON, Canada
| | - Robin Parker
- W.K. Kellogg Health Sciences Library, Dalhousie University, Halifax, NS, Canada
| | - Michael Borofsky
- Department of Urology, University of Minnesota, Minneapolis, MN, USA
| | - Vernon Pais
- Department of Surgery, Dartmouth Medical School, Lebanon, NH, USA
| | - Philipp Dahm
- Urology Section, Minneapolis VA Health Care System, Minneapolis, MN, USA
- Department of Urology, University of Minnesota, Minneapolis, MN, USA
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Scurt FG, Ganz MJ, Herzog C, Bose K, Mertens PR, Chatzikyrkou C. Association of metabolic syndrome and chronic kidney disease. Obes Rev 2024; 25:e13649. [PMID: 37783465 DOI: 10.1111/obr.13649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/15/2023] [Indexed: 10/04/2023]
Abstract
The prevalence of kidney disease is increasing rapidly worldwide, reflecting rising rates of obesity, diabetes, and associated metabolic syndrome (MetS). Chronic kidney disease and related comorbidities such as obesity, diabetes, and hypertension place a significant financial burden on healthcare systems. Despite the widespread use of RAAS inhibitors, intensive blood pressure and glycemic control, and newer therapeutic options consisting of sodium/glucose cotransporter-2 (SGLT-2) inhibitors or glucagon-like peptide-1 (GLP-1) receptor agonists, a significant risk of progression to end-stage renal disease remains in the high-risk obese and diabetic population. The MetS is a cluster of cardiovascular risk factors that adversely affect the development and progression of chronic kidney failure. According to the criteria of the World Health Organization, it is defined by visceral adiposity, impaired glucose tolerance or insulin resistance, atherogenic dyslipidemia, raised blood pressure, and microalbuminuria with a albumin-to-creatinine ratio ≥30 mg/g. At molecular level MetS is marked by a proinflammatory state and increased oxidative stress leading to various pathophysiological changes causing endothelial dysfunction and a hypercoagulable state. Because the kidney is a highly vascularized organ, it is especially susceptible for those microvascular changes. Therefore, the MetS and its individual components are associated with the premature development, acceleration, and progression of chronic kidney disease. Therefore, it is becoming increasingly important to elucidate the underlying mechanisms of MetS-associated chronic kidney disease in order to develop new strategies for preventing and slowing the progression of renal disease. In this review, we will elucidate (i) the renal structural, hemodynamic, and metabolic changes that occur in obesity and obesity-related kidney injury; (ii) the clinicopathological characteristics of obesity-related kidney injury, primarily focusing on obesity-associated glomerulopathy; (iii) the potential additional factors or predisposing factors that may turn patients more susceptible to renal structural or functional compensatory failure and subsequent injury.
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Affiliation(s)
- Florian G Scurt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, Medical Faculty, Otto-von Guericke University Magdeburg, Magdeburg, Germany
| | - Maximilian J Ganz
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, Medical Faculty, Otto-von Guericke University Magdeburg, Magdeburg, Germany
| | - Carolin Herzog
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, Medical Faculty, Otto-von Guericke University Magdeburg, Magdeburg, Germany
| | - Katrin Bose
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Magdeburg, Magdeburg, Germany
| | - Peter R Mertens
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, Medical Faculty, Otto-von Guericke University Magdeburg, Magdeburg, Germany
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Qiaoling F, Jingyi L, Yan L, Wen L, Chaoying Y, Mingliang Z, Lei Z. Decline in measured glomerular filtration rate is associated with simple renal cyst in Chinese patients with type 2 diabetes. J Diabetes Investig 2024; 15:26-33. [PMID: 38078509 PMCID: PMC10759716 DOI: 10.1111/jdi.14120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 01/03/2024] Open
Abstract
AIMS/INTRODUCTION Simple renal cysts (SRC) are associated with age, hypertension and hyperuricemia, which are risk factors of renal impairment. This study aimed to investigate the prevalence of SRC and its association with measured glomerular filtration rate (mGFR) in patients with type 2 diabetes mellitus in China. METHODS A total of 3,552 patients with type 2 diabetes mellitus admitted to Shanghai Sixth People's Hospital from January 2012 to December 2016 were investigated. All participants were diagnosed as SRC by color Doppler, and all participants were measured for GFR by using dynamic renal scintigraphy with technetium-99m-diethylene triamine peta-acetic acid. RESULTS The prevalence of SRC was 17.4% (619 cases). Participants with SRC had significantly lower mGFR values than those without SRC (86.16 ± 26.20 vs 94.88 ± 23.98 mL/min/1.73 m2 , P < 0.001). In 478 participants with unilateral renal cyst, the mGFR of the kidney affected by SRC was significantly lower than that of the unaffected kidney (43.32 ± 13.74 vs 44.18 ± 13.34 mL/min/1.73 m2 , P = 0.014). The participants were divided into four groups according to the quartiles of mGFR level (≥109.50, 93.80-109.49, 76.90-93.79 and <76.90 mL/min/1.73 m2 ). The prevalence of SRC gradually increased with decreasing mGFR level (12.9, 13.9, 16.6 and 27.8%, respectively; P trend <0.01). After adjusting for age, sex, duration of diabetes, hypertension and other potential confounders, the logistic regression showed that SRC was an independent risk factor for impaired GFR (<60 mL/min/1.73 m2 ; odds ratio 1.656; 95% confidence interval 1.451-1.890, P < 0.001). CONCLUSION SRC is an independent risk factor for the decrease of mGFR in Chinese diabetes patients, and could affect the renal GFR measured by dynamic renal scintigraphy on the SRC side.
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Affiliation(s)
- Fu Qiaoling
- Department of Endocrinology and MetabolismHaikou Orthopedic and Diabetes HospitalHainanChina
| | - Lu Jingyi
- Department of Endocrinology and MetabolismShanghai Sixth People's HospitalShanghaiChina
| | - Li Yan
- Department of Endocrinology and MetabolismHaikou Orthopedic and Diabetes HospitalHainanChina
| | - Li Wen
- Department of Endocrinology and MetabolismHaikou Orthopedic and Diabetes HospitalHainanChina
| | - Yang Chaoying
- Department of Endocrinology and MetabolismHaikou Orthopedic and Diabetes HospitalHainanChina
| | - Zhang Mingliang
- Department of Endocrinology and MetabolismShanghai Sixth People's HospitalShanghaiChina
| | - Zhang Lei
- Department of Endocrinology and MetabolismShanghai Sixth People's HospitalShanghaiChina
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10
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Moritz L, Schumann A, Pohl M, Köttgen A, Hannibal L, Spiekerkoetter U. A systematic review of metabolomic findings in adult and pediatric renal disease. Clin Biochem 2024; 123:110703. [PMID: 38097032 DOI: 10.1016/j.clinbiochem.2023.110703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 12/03/2023] [Accepted: 12/07/2023] [Indexed: 12/29/2023]
Abstract
Chronic kidney disease (CKD) affects over 0.5 billion people worldwide across their lifetimes. Despite a growingly ageing world population, an increase in all-age prevalence of kidney disease persists. Adult-onset forms of kidney disease often result from lifestyle-modifiable metabolic illnesses such as type 2 diabetes. Pediatric and adolescent forms of renal disease are primarily caused by morphological abnormalities of the kidney, as well as immunological, infectious and inherited metabolic disorders. Alterations in energy metabolism are observed in CKD of varying causes, albeit the molecular mechanisms underlying pathology are unclear. A systematic indexing of metabolites identified in plasma and urine of patients with kidney disease alongside disease enrichment analysis uncovered inborn errors of metabolism as a framework that links features of adult and pediatric kidney disease. The relationship of genetics and metabolism in kidney disease could be classified into three distinct landscapes: (i) Normal genotypes that develop renal damage because of lifestyle and / or comorbidities; (ii) Heterozygous genetic variants and polymorphisms that result in unique metabotypes that may predispose to the development of kidney disease via synergistic heterozygosity, and (iii) Homozygous genetic variants that cause renal impairment by perturbing metabolism, as found in children with monogenic inborn errors of metabolism. Interest in the identification of early biomarkers of onset and progression of CKD has grown steadily in the last years, though it has not translated into clinical routine yet. This systematic review indexes findings of differential concentration of metabolites and energy pathway dysregulation in kidney disease and appraises their potential use as biomarkers.
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Affiliation(s)
- Lennart Moritz
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany; Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Anke Schumann
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany; Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Martin Pohl
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Anna Köttgen
- Institute of Genetic Epidemiology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Luciana Hannibal
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Ute Spiekerkoetter
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
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11
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Yang X, Zhang P, Jiang J, Almoallim HS, Alharbi SA, Li Y. Myricetin Attenuates Ethylene Glycol-Induced Nephrolithiasis in Rats via Mitigating Oxidative Stress and Inflammatory Markers. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04831-0. [PMID: 38158485 DOI: 10.1007/s12010-023-04831-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
Urolithiasis or nephrolithiasis is a condition of kidney stone formation and is considered a painful disease of the urinary tract system. In this work, we planned to discover the therapeutic roles of myricetin on the ethylene glycol (EG)-induced nephrolithiasis in rats. The experimental rats were treated with 0.75% of EG through drinking water for 4 weeks to initiate the nephrolithiasis and subsequently treated with 25 and 50 mg/kg of myricetin. The body weight and urine volume were measured regularly. After the sacrification of rats, the samples were collected, and serum and urinary biomarkers such as creatinine, urea, Ca2 + ion, and BUN, OPN, oxalate, and citrate levels were determined using assay kits. These biomarkers, the MDA level and CAT, SOD, and GPx activities, were assessed in the kidney tissue homogenates. The IL-6, IL-1β, and TNF-α levels were also quantified using respective kits. The histopathological analysis was done on the kidney tissues. Myricetin treatment did not show major changes in the body weight and kidney weight in the EG-induced rats. The treatment with 25 and 50 mg/kg of myricetin considerably reduced the urea, creatinine, BUN, Ca2 + ion, and oxalate and increased the citrate content in serum and urine samples of EG-induced rats. Further, myricetin depleted the inflammatory cytokines and MDA levels and elevated the CAT, SOD, and GPx activities in the renal tissues. The activities of ALT, AST, ALP, GGT, and LDH were also reduced by the myricetin. Furthermore, the myricetin upheld the histoarchitecture of the kidneys. The outcomes of this investigation propose that myricetin is effective in EG-induced urolithiasis probably because of its antioxidant, anti-inflammatory, and renoprotective activities. In addition, further studies are still required to verify the precise therapeutic mechanism of myricetin.
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Affiliation(s)
- Xiaojie Yang
- Department of Urology Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China
| | - Pei Zhang
- Department of Urology Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China
| | - Jing Jiang
- Department of Urology Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China
| | - Hesham S Almoallim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, King Saud University, PO Box 60169, Riyadh, 11545, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Youfang Li
- Department of Urology Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China.
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12
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Yuan T, Xia Y, Pan S, Li B, Ye Z, Yan X, Hu W, Li L, Song B, Yu W, Li H, Rao T, Lin F, Zhou X, Cheng F. STAT6 promoting oxalate crystal deposition-induced renal fibrosis by mediating macrophage-to-myofibroblast transition via inhibiting fatty acid oxidation. Inflamm Res 2023; 72:2111-2126. [PMID: 37924395 DOI: 10.1007/s00011-023-01803-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/25/2023] [Accepted: 09/29/2023] [Indexed: 11/06/2023] Open
Abstract
OBJECTIVE AND DESIGN Kidney stones commonly occur with a 50% recurrence rate within 5 years, and can elevate the risk of chronic kidney disease. Macrophage-to-myofibroblast transition (MMT) is a newly discovered mechanism that leads to progressive fibrosis in different forms of kidney disease. In this study, we aimed to investigate the role of MMT in renal fibrosis in glyoxylate-induced kidney stone mice and the mechanism by which signal transducer and activator of transcription 6 (STAT6) regulates MMT. METHODS We collected non-functioning kidneys from patients with stones, established glyoxylate-induced calcium oxalate stone mice model and treated AS1517499 every other day in the treatment group, and constructed a STAT6-knockout RAW264.7 cell line. We first screened the enrichment pathway of the model by transcriptome sequencing; detected renal injury and fibrosis by hematoxylin eosin staining, Von Kossa staining and Sirius red staining; detected MMT levels by multiplexed immunofluorescence and flow cytometry; and verified the binding site of STAT6 at the PPARα promoter by chromatin immunoprecipitation. Fatty acid oxidation (FAO) and fibrosis-related genes were detected by western blot and real-time quantitative polymerase chain reaction. RESULTS In this study, we found that FAO was downregulated, macrophages converted to myofibroblasts, and STAT6 expression was elevated in stone patients and glyoxylate-induced kidney stone mice. The promotion of FAO in macrophages attenuated MMT and upregulated fibrosis-related genes induced by calcium oxalate treatment. Further, inhibition of peroxisome proliferator-activated receptor-α (PPARα) eliminated the effect of STAT6 deletion on FAO and fibrosis-associated protein expression. Pharmacological inhibition of STAT6 also prevented the development of renal injury, lipid accumulation, MMT, and renal fibrosis. Mechanistically, STAT6 transcriptionally represses PPARα and FAO through cis-inducible elements located in the promoter region of the gene, thereby promoting MMT and renal fibrosis. CONCLUSIONS These findings establish a role for STAT6 in kidney stone injury-induced renal fibrosis, and suggest that STAT6 may be a therapeutic target for progressive renal fibrosis in patients with nephrolithiasis.
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Affiliation(s)
- Tianhui Yuan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuqi Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shengyu Pan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bojun Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zehua Ye
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xinzhou Yan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Weimin Hu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lei Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Baofeng Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Haoyong Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangyou Lin
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China.
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13
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Langman CB, Assimos D, Blank M, Calle J, Grauer A, Kausz A, Milliner D, Nazzal L, Smith K, Tasian G, Thompson A, Wood KD, Worcester E, Yang S, Malley MA, Knauf F, Lieske JC. End Point Considerations for Clinical Trials in Enteric Hyperoxaluria. Clin J Am Soc Nephrol 2023; 18:1637-1644. [PMID: 37342976 PMCID: PMC10723917 DOI: 10.2215/cjn.0000000000000234] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/14/2023] [Indexed: 06/23/2023]
Abstract
Enteric hyperoxaluria is a medical condition characterized by elevated urinary oxalate excretion due to increased gastrointestinal oxalate absorption. Causative features include fat malabsorption and/or increased intestinal permeability to oxalate. Enteric hyperoxaluria has long been known to cause nephrolithiasis and nephrocalcinosis, and, more recently, an association with CKD and kidney failure has been shown. Currently, there are no US Food and Drug Administration-approved therapies for enteric hyperoxaluria, and it is unclear what end points should be used to evaluate the efficacy of new drugs and biologics for this condition. This study represents work of a multidisciplinary group convened by the Kidney Health Initiative to review the evidence supporting potential end points for clinical trials in enteric hyperoxaluria. A potential clinical outcome is symptomatic kidney stone events. Potential surrogate end points include ( 1 ) an irreversible loss of kidney function as a surrogate for progression to kidney failure, ( 2 ) asymptomatic kidney stone growth/new stone formation observed on imaging as a surrogate for symptomatic kidney stone events, ( 3 ) urinary oxalate and urinary calcium oxalate supersaturation as surrogates for the development of symptomatic kidney stone events, and ( 4) plasma oxalate as a surrogate for the development of the clinical manifestations of systemic oxalosis. Unfortunately, because of gaps in the data, this Kidney Health Initiative workgroup was unable to provide definitive recommendations. Work is underway to obtain robust information that can be used to inform trial design and medical product development in this space.
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Affiliation(s)
- Craig B. Langman
- Feinberg School of Medicine, Department of Pediatrics, Northwestern University, Chicago, Illinois
| | - Dean Assimos
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Melanie Blank
- Office of Therapeutic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Juan Calle
- Department of Kidney Medicine, Cleveland Clinic, Cleveland, Ohio
| | | | | | - Dawn Milliner
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
| | - Lama Nazzal
- Department of Medicine, Division of Nephrology, New York University School of Medicine, NYU Langone Health, New York, New York
| | - Kimberly Smith
- Office of Medical Policy, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Greg Tasian
- University of Pennsylvania Perelman School of Medicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Aliza Thompson
- Division of Cardiology and Nephrology, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Kyle D. Wood
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Elaine Worcester
- Department of Medicine, University of Chicago, Chicago, Illinois
| | - Sixun Yang
- Division of Vaccines and Related Products Applications, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | | | - Felix Knauf
- Department of Nephrology and Medical Intensive Care, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - John C. Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
- Department of Laboratory Medicine and Nephrology, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
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14
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Soderberg L, Ergun O, Ding M, Parker R, Borofsky MS, Pais V, Dahm P. Percutaneous nephrolithotomy versus retrograde intrarenal surgery for treatment of renal stones in adults. Cochrane Database Syst Rev 2023; 11:CD013445. [PMID: 37955353 PMCID: PMC10642177 DOI: 10.1002/14651858.cd013445.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
BACKGROUND Kidney stones (also called renal stones) can be a source of pain, obstruction, and infection. Depending on size, location, composition, and other patient factors, the treatment of kidney stones can involve observation, shock wave lithotripsy, retrograde intrarenal surgery (RIRS; i.e. ureteroscopic approaches), percutaneous nephrolithotomy (PCNL), or a combination of these approaches. OBJECTIVES To assess the effects of percutaneous nephrolithotomy (PCNL) versus retrograde intrarenal surgery (RIRS) for the treatment of renal stones in adults. SEARCH METHODS We performed a comprehensive search of the Cochrane Library, MEDLINE, Embase, Scopus, and two trials registries up to 23 March 2023. We applied no restrictions on publication language or status. SELECTION CRITERIA We included randomized controlled trials that evaluated PCNL (grouped by access size in French gauge [Fr] into three groups: ≥ 24 Fr [standard PCNL], 15-23 Fr [mini-PCNL and minimally invasive PCNL], and < 15 Fr [ultra-mini-, mini-micro-, super-mini-, and micro-PCNL]) versus RIRS. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies and extracted data from the included studies. Our primary outcomes were stone-free rate, major complications, and need for secondary interventions. Our main secondary outcomes were unplanned medical visits to emergency/urgent care or outpatient clinic, length of hospital stay, ureteral stricture or injury, and quality of life. We performed statistical analyses using a random-effects model. We rated the certainty of evidence using GRADE criteria. We adopted a minimally contextualized approach with predefined thresholds for minimal clinically important differences (MCIDs). MAIN RESULTS We included 42 trials assessing the effects of PCNL versus RIRS in 4571 randomized participants. Twenty-two studies were published as full-text articles, and 20 were published as abstract proceedings. The average size of stones ranged from 10.1 mm to 39.1 mm. Most studies did not report sources of funding or conflicts of interest. The main results for the most important outcomes are summarized below. Stone-free rate PCNL compared with RIRS may improve stone-free rates (risk ratio [RR] 1.13, 95% confidence interval [CI] 1.08 to 1.18; I2 = 71%; 39 studies, 4088 participants; low-certainty evidence). Based on 770 participants per 1000 being stone-free with RIRS, this corresponds to 100 more (62 more to 139 more) stone-free participants per 1000 with PCNL (an absolute difference of 10%, where the predefined MCID was 5%). Major complications PCNL compared with RIRS probably has little or no effect on major complications (RR 0.86, 95% CI 0.59 to 1.25; I2 = 15%; 34 studies, 3649 participants; moderate-certainty evidence). Based on 31 complications in the RIRS group, this corresponds to six fewer (13 fewer to six more) major complications per 1000 with PCNL (an absolute difference of 0.6%, where the predefined MCID was 2%). Need for secondary interventions PCNL compared with RIRS may reduce the need for secondary interventions (RR 0.31, 95% CI 0.17 to 0.55; I2 = 61%; 21 studies, 2005 participants; low-certainty evidence). Based on 222 secondary interventions in the RIRS group, this corresponds to 153 fewer (185 fewer to 100 fewer) secondary interventions per 1000 with PCNL (an absolute difference of 15.3%, where the predefined MCID was 5%). Unplanned medical visits No studies reported unplanned medical visits. Length of hospital stay PCNL compared with RIRS may extend length of hospital stay (mean difference 1.04 days more, 95% CI 0.27 more to 1.81 more; I2 = 100%; 26 studies, 2804 participants; low-certainty evidence). This effect size is greater than the predefined MCID of one day. Ureteral stricture or injury PCNL compared with RIRS may have little or no effect on the occurrence of ureteral strictures (RR 0.93, 95% CI 0.39 to 2.21; I2 = 0%; 13 studies, 1574 participants; low-certainty evidence). Based on 14 ureteral strictures in the RIRS group, this corresponds to one fewer (nine fewer to 17 more) ureteral strictures per 1000 with PCNL (an absolute difference of 0.1%, where the predefined MCID was 2%). Quality of life No studies reported quality of life. AUTHORS' CONCLUSIONS Based on a large body of evidence from 42 trials, we found that PCNL compared with RIRS may improve stone-free rates and may reduce the need for secondary interventions, but probably has little or no effect on major complications. PCNL compared with RIRS may have little or no effect on ureteral stricture rates and may increase length of hospital stay. We found no evidence on unplanned medical visits or participant quality of life. Because of the considerable shortcomings of the included trials, the evidence for most outcomes was of low certainty. Access size for PCNL was less than 24 Fr in most studies that provided this information. We expect the findings of this review to be helpful for shared decision-making about management choices for individuals with renal stones.
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Affiliation(s)
- Leah Soderberg
- Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Onuralp Ergun
- Urology Section, Minneapolis VA Health Care System, Minneapolis, Minnesota, USA
- Department of Urology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Maylynn Ding
- School of Medicine, McMaster University, Hamilton, Canada
| | - Robin Parker
- W.K. Kellogg Health Sciences Library, Dalhousie University, Halifax, Canada
| | - Michael S Borofsky
- Department of Urology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Vernon Pais
- Department of Surgery, Dartmouth Medical School, Lebanon, NH, USA
| | - Philipp Dahm
- Urology Section, Minneapolis VA Health Care System, Minneapolis, Minnesota, USA
- Department of Urology, University of Minnesota, Minneapolis, Minnesota, USA
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15
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Sadeghi-Alavijeh O, Chan MMY, Moochhala SH, Howles S, Gale DP, Böckenhauer D. Rare variants in the sodium-dependent phosphate transporter gene SLC34A3 explain missing heritability of urinary stone disease. Kidney Int 2023; 104:975-984. [PMID: 37414395 DOI: 10.1016/j.kint.2023.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 05/10/2023] [Accepted: 06/15/2023] [Indexed: 07/08/2023]
Abstract
Urinary stone disease (USD) is a major health burden affecting over 10% of the United Kingdom population. While stone disease is associated with lifestyle, genetic factors also strongly contribute. Common genetic variants at multiple loci from genome-wide association studies account for 5% of the estimated 45% heritability of the disorder. Here, we investigated the extent to which rare genetic variation contributes to the unexplained heritability of USD. Among participants of the United Kingdom 100,000-genome project, 374 unrelated individuals were identified and assigned diagnostic codes indicative of USD. Whole genome gene-based rare variant testing and polygenic risk scoring against a control population of 24,930 ancestry-matched controls was performed. We observed (and replicated in an independent dataset) exome-wide significant enrichment of monoallelic rare, predicted damaging variants in the SLC34A3 gene for a sodium-dependent phosphate transporter that were present in 5% cases compared with 1.6% of controls. This gene was previously associated with autosomal recessive disease. The effect on USD risk of having a qualifying SLC34A3 variant was greater than that of a standard deviation increase in polygenic risk derived from GWAS. Addition of the rare qualifying variants in SLC34A3 to a linear model including polygenic score increased the liability-adjusted heritability from 5.1% to 14.2% in the discovery cohort. We conclude that rare variants in SLC34A3 represent an important genetic risk factor for USD, with effect size intermediate between the fully penetrant rare variants linked with Mendelian disorders and common variants associated with USD. Thus, our findings explain some of the heritability unexplained by prior common variant genome-wide association studies.
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Affiliation(s)
| | - Melanie M Y Chan
- Department of Renal Medicine, University College London, London, UK
| | | | - Sarah Howles
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Daniel P Gale
- Department of Renal Medicine, University College London, London, UK.
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16
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Adawi E, Mahzara NK, Hadaddi R, Ageeli S, Altubayqi T, Moafa E, Althurwi S, Hakami AA, Qahtani R, Kariri AM, Jafar S, Kobal T, Alqaari R. Awareness of Urinary Stone Risk Factors Among the Adult Population of Jazan, Saudi Arabia: A Cross-Sectional Study. Cureus 2023; 15:e49115. [PMID: 38125231 PMCID: PMC10732336 DOI: 10.7759/cureus.49115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Urolithiasis, a common clinical condition, has seen a global increase in prevalence in recent years. Urinary stones are common in hot climate areas like Saudi Arabia. This study aimed to assess the prevalence and awareness of risk factors for urinary stones in Jazan, Saudi Arabia. METHODS A cross-sectional study was conducted among 1000 Jazan adults between January and June 2022. A questionnaire was used to collect data on sociodemographics, urinary stone diagnosis, and awareness of risk factors. RESULTS The overall prevalence of diagnosed urinary stones was 140 (14.0%). The prevalence was higher among patients who were older, married, had higher education, and were employees (all P<0.001). Participants who believed that hot weather (p = 0.012), sleeve gastrectomy (p = 0.049), and Saxenda injections (p = 0.000) increased the risk of stones had a higher prevalence. No association was found between stones and other sociodemographic factors or dietary habits. The main sources of knowledge were the internet (426, 42.6%) and education (155, 15.5%). CONCLUSIONS The prevalence of urinary stones in Jazan is considerable (14.0%). Certain sociodemographic factors and beliefs about risk factors were associated with higher prevalence. Improving public awareness about the prevention and risk factors for urinary stones is crucial to controlling this health problem in high-risk communities.
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17
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Liu M, Wu J, Gao M, Li Y, Xia W, Zhang Y, Chen J, Chen Z, Zhu Z, Chen H. Lifestyle factors, serum parameters, metabolic comorbidities, and the risk of kidney stones: a Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1240171. [PMID: 37810889 PMCID: PMC10560039 DOI: 10.3389/fendo.2023.1240171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Background and objective The early identification of modifiable risk factors is important for preventing kidney stones but determining causal associations can be difficult with epidemiological data. We aimed to genetically assess the causality between modifiable factors (lifestyle factors, serum parameters, and metabolic comorbidities) and the risk of kidney stones. Additionally, we aimed to explore the causal impact of education on kidney stones and its potential mediating pathways. Methods We conducted a two-sample Mendelian randomization (MR) study to explore the causal association between 44 modifiable risk factors and kidney stones. The FinnGen dataset initially explored the causal relationship of risk factors with kidney stones and the UK Biobank dataset was used as the validation set. Then, a meta-analysis was conducted by combining discovery and validation datasets. We used two-step MR to assess potential mediators and their mediation proportions between education and kidney stones. Results The combined results indicated that previous exposures may increase the risk of kidney stones, including sedentary behavior, urinary sodium, the urinary sodium/potassium ratio, the urinary sodium/creatinine ratio, serum calcium, 25-hydroxyvitamin D (25OHD), the estimated creatinine-based glomerular filtration rate (eGFRcrea), GFR estimated by serum cystatin C (eGFRcys), body mass index (BMI), waist circumference, type 2 diabetes mellitus (T2DM), fasting insulin, glycated hemoglobin, and hypertension. Coffee intake, plasma caffeine levels, educational attainment, and the urinary potassium/creatinine ratio may decrease the risk of kidney stones. Ranked by mediation proportion, the effect of education on the risk of kidney stones was mediated by five modifiable risk factors, including sedentary behavior (mediation proportion, 25.7%), smoking initiation (10.2%), BMI (8.2%), T2DM (5.8%), and waist circumference (3.2%). Conclusion This study provides MR evidence supporting causal associations of many modifiable risk factors with kidney stones. Sedentary lifestyles, obesity, smoking, and T2DM are mediating factors in the causal relationship between educational attainment and kidney stones. Our results suggest more attention should be paid to these modifiable factors to prevent kidney stones.
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Affiliation(s)
- Minghui Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jian Wu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Meng Gao
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yongchao Li
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Weiping Xia
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Youjie Zhang
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jinbo Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhiyong Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zewu Zhu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Internal Medicine, Section Endocrinology, Yale University School of Medicine, New Haven, CT, United States
| | - Hequn Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Thongprayoon C, Vaughan LE, Barreto EF, Mehta RA, Koo K, Schulte PJ, Lieske JC, Rule AD. Outpatient Antibiotic Use is Not Associated with an Increased Risk of First-Time Symptomatic Kidney Stones. J Am Soc Nephrol 2023; 34:1399-1408. [PMID: 37184480 PMCID: PMC10400106 DOI: 10.1681/asn.0000000000000155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 04/20/2023] [Indexed: 05/16/2023] Open
Abstract
SIGNIFICANCE STATEMENT Antibiotics modify human microbiomes and may contribute to kidney stone risk. In a population-based case-control study using 1247 chart-validated first-time symptomatic kidney stone formers and 4024 age- and sex-matched controls, the risk of kidney stones was transiently higher during the first year after antibiotic use. However, this risk was no longer evident after adjustment for comorbidities and excluding participants with prior urinary symptoms. Findings were consistent across antibiotic classes and the number of antibiotic courses received. This suggests that antibiotics are not important risk factors of kidney stones. Rather, kidney stones when they initially cause urinary symptoms are under-recognized, resulting in antibiotic use before a formal diagnosis of kidney stones ( i.e. , reverse causality). BACKGROUND Antibiotics modify gastrointestinal and urinary microbiomes, which may contribute to kidney stone formation. This study examined whether an increased risk of a first-time symptomatic kidney stone episode follows antibiotic use. METHODS A population-based case-control study surveyed 1247 chart-validated first-time symptomatic kidney stone formers with a documented obstructing or passed stone (cases) in Olmsted County, Minnesota, from 2008 to 2013 and 4024 age- and sex-matched controls. All prescriptions for outpatient oral antibiotic use within 5 years before the onset of symptomatic stone for the cases and their matched controls were identified. Conditional logistic regression estimated the odds ratio (OR) of a first-time symptomatic kidney stone across time after antibiotic use. Analyses were also performed after excluding cases and controls with prior urinary tract infection or hematuria because urinary symptoms resulting in antibiotic prescription could have been warranted because of undiagnosed kidney stones. RESULTS The risk of a symptomatic kidney stone was only increased during the 1-year period after antibiotic use (unadjusted OR, 1.31; P = 0.001), and this risk was attenuated after adjustment for comorbidities (OR, 1.16; P = 0.08). After excluding cases and controls with prior urinary symptoms, there was no increased risk of a symptomatic kidney stone during the 1-year period after antibiotic use (unadjusted OR, 1.04; P = 0.70). Findings were consistent across antibiotic classes and the number of antibiotic courses received. CONCLUSIONS The increased risk of a first-time symptomatic kidney stone with antibiotic use seems largely due to both comorbidities and prescription of antibiotics for urinary symptoms. Under-recognition of kidney stones that initially cause urinary symptoms resulting in antibiotic use may explain much of the perceived stone risk with antibiotics ( i.e. , reverse causality).
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Affiliation(s)
| | - Lisa E. Vaughan
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | | | - Ramila A. Mehta
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | - Kevin Koo
- Department of Urology, Mayo Clinic, Rochester, Minnesota
| | - Phillip J. Schulte
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | - John C. Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Andrew D. Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
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Stepanova N. Oxalate Homeostasis in Non-Stone-Forming Chronic Kidney Disease: A Review of Key Findings and Perspectives. Biomedicines 2023; 11:1654. [PMID: 37371749 DOI: 10.3390/biomedicines11061654] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/03/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Chronic kidney disease (CKD) is a significant global public health concern associated with high morbidity and mortality rates. The maintenance of oxalate homeostasis plays a critical role in preserving kidney health, particularly in the context of CKD. Although the relationship between oxalate and kidney stone formation has been extensively investigated, our understanding of oxalate homeostasis in non-stone-forming CKD remains limited. This review aims to present an updated analysis of the existing literature, focusing on the intricate mechanisms involved in oxalate homeostasis in patients with CKD. Furthermore, it explores the key factors that influence oxalate accumulation and discusses the potential role of oxalate in CKD progression and prognosis. The review also emphasizes the significance of the gut-kidney axis in CKD oxalate homeostasis and provides an overview of current therapeutic strategies, as well as potential future approaches. By consolidating important findings and perspectives, this review offers a comprehensive understanding of the present knowledge in this field and identifies promising avenues for further research.
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Affiliation(s)
- Natalia Stepanova
- State Institution «Institute of Nephrology of the National Academy of Medical Sciences of Ukraine», 04050 Kyiv, Ukraine
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Tan QL, Zhang MX, Yao DH, Yan Y, Yang XF, Qin ZH, Gong Y, Meng Q. TIGAR protects against adenine-induced ferroptosis in human proximal tubular epithelial cells by activating the mTOR/S6KP70 axis. Nutr Cancer 2023:1-9. [PMID: 37140263 DOI: 10.1080/01635581.2023.2203353] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
TP53-induced glycolysis and apoptosis regulator (TIGAR) acts as a switch for nephropathy, but its underlying mechanism is still unclear. The purpose of this study was to explore the potential biological significance and underlying mechanism of TIGAR in modulating adenine-induced ferroptosis in human proximal tubular epithelial (HK-2) cells. HK-2 cells under- or overexpressing TIGAR were challenged with adenine to induce ferroptosis. The levels of reactive oxygen species (ROS), iron, malondialdehyde (MDA), and glutathione (GSH) were assayed. Expression of ferroptosis-associated solute carrier family seven-member 11 (SLC7A11) and glutathione peroxidase 4 (GPX4) at the level of mRNA and protein were measured by quantitative real-time-PCR and western blotting. The phosphorylation levels of proteins in the mTOR/S6KP70 pathway were determined by western blotting. Adenine overload triggered ferroptosis in HK-2 cells, as evidenced by reduced levels of GSH, SLC7A11, and GPX4, and increased levels of iron, MDA, and ROS. TIGAR overexpression repressed adenine-induced ferroptosis and induced mTOR/S6KP70 signaling. Inhibitors of mTOR and S6KP70 weakened the ability of TIGAR to inhibit adenine-induced ferroptosis. TIGAR inhibits adenine-induced ferroptosis in human proximal tubular epithelial cells by activating the mTOR/S6KP70 signaling pathway. Therefore, activating the TIGAR/mTOR/S6KP70 axis may be a treatment for crystal nephropathies.
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Affiliation(s)
- Qian-Lin Tan
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Ming-Xia Zhang
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Deng-Hu Yao
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Yue Yan
- Department of Endocrinology, The Third People's Hospital of Datong, Datong, PR China
| | - Xiao-Fen Yang
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Zhi-Hui Qin
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Yan Gong
- Department of Nephrology, Minda Hospital Affiliated to Hubei Minzu University, Hubei Clinical Research Center for Kidney Disease, Enshi, PR China
| | - Qiao Meng
- The Third Department of Surgery, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, PR China
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21
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Geddes RF, Davison LJ, Elliott J, Syme HM, O'Neill DG. Risk factors for upper urinary tract uroliths and ureteral obstruction in cats under referral veterinary care in the United Kingdom. J Vet Intern Med 2023; 37:567-577. [PMID: 36860138 PMCID: PMC10061198 DOI: 10.1111/jvim.16659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 02/03/2023] [Indexed: 03/03/2023] Open
Abstract
BACKGROUND Cats presenting with upper urinary tract uroliths (UUTUs) and ureteral obstruction ("obstructive UUTU") are typically younger than cats with idiopathic CKD that often have incidental nephroliths. HYPOTHESIS Cats with upper urinary tract urolith have 2 clinical phenotypes; a more aggressive phenotype at risk of obstructive UUTU at a young age and a more benign phenotype in older cats, with reduced risk of obstructive UUTU. OBJECTIVES Identify risk factors for UUTU and for obstructive UUTU. ANIMALS Eleven thousand four hundred thirty-one cats were referred for care over 10 years; 521 (4.6%) with UUTU. METHODS Retrospective VetCompass observational cross-sectional study. Multivariable logistic regression models were performed to identify risk factors for a diagnosis of UUTU vs no UUTU and additionally, obstructive UUTU vs nonobstructive UUTU. RESULTS Risk factors for UUTU included female sex (odds ratio [OR] 1.6, confidence interval [CI] 1.3-1.9; P < .001), British shorthair, Burmese, Persian, Ragdoll or Tonkinese (vs non-purebred ORs 1.92-3.31; P < .001) breed and being ≥4 years (ORs 2.1-3.9; P < .001). Risk factors for obstructive UUTU were female sex (OR 1.8, CI 1.2-2.6; P = .002), having bilateral uroliths (OR 2.0, CI 1.4-2.9; P = .002) and age, with the odds of obstructive UUTU increasing as age at diagnosis of UUTU decreased (≥12 years, reference category; 8-11.9 years, OR 2.7, CI 1.6-4.5; 4-7.9 years, OR 4.1, CI 2.5-7.0; 0-3.9 years, OR 4.3, CI 2.2-8.6; P < 0.001). CONCLUSIONS AND CLINICAL IMPORTANCE Cats diagnosed with UUTU at a younger age have a more aggressive phenotype with higher risk of obstructive UUTU compared to cats over 12 years of age diagnosed with UUTU.
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Affiliation(s)
- Rebecca F Geddes
- Clinical Science and Services, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, United Kingdom
| | - Lucy J Davison
- Clinical Science and Services, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, United Kingdom
| | - Jonathan Elliott
- Comparative Biological Sciences, Royal Veterinary College, Royal College Street, Camden, London NW1 0TU, United Kingdom
| | - Harriet M Syme
- Clinical Science and Services, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, United Kingdom
| | - Dan G O'Neill
- Pathobiology and Population Science, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, United Kingdom
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A path analysis to investigate the interaction between serum, urinary and demographic factors influencing urine calcium in kidney stone formers. Int Urol Nephrol 2023:10.1007/s11255-023-03461-z. [PMID: 36780048 DOI: 10.1007/s11255-023-03461-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/08/2023] [Indexed: 02/14/2023]
Abstract
BACKGROUND Hypercalciuria is one of the most important urinary risk factors in kidney stone formers. This study aimed to delineate the interaction of some demographic, serum, and urinary risk factors influencing 24-h urinary (24-U) calcium excretion. METHODS This study was secondary data analysis, using data from 593 kidney stone patients referred to the Labbafinejad kidney stone prevention clinic from March 2015 to May 2019. The study considered serum, urinary and demographic factors that interact to influence 24-U calcium using path analysis. In addition to the direct impact of predictors on the 24-U calcium, this analysis considered the effects of the predictors on the 24-U calcium transmitted by a mediating variable named indirect effects. RESULTS The results showed that age indirectly affected on 24-U calcium through 25-hydroxy vitamin D (25(OH)D), serum and 24-U creatinine. As well, weight had an indirect effect through 24-urine metabolites (creatinine, citrate, urea, and sodium). Among serum variables, PTH and creatinine significantly directly affected on 24-U calcium. In comparison, 25(OH)D and phosphorus appeared to influence 24-U calcium indirectly through serum parathormone. Regarding 24-U metabolites, sodium, urea, and citrate had a significant direct effect on 24-U calcium. Moreover, 24-U creatinine has a significant direct and indirect effect on 24-U calcium through citrate and urea as mediator variables. CONCLUSION Serum 25(OH)D and phosphorus, along with age and weight, indirectly affected urinary calcium through a third variable. Other variables (PTH, serum creatinine, and 24-U sodium, urea, and citrate) showed a direct effect on 24-U calcium excretion.
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Stamatelou K, Goldfarb DS. Epidemiology of Kidney Stones. Healthcare (Basel) 2023; 11:healthcare11030424. [PMID: 36766999 PMCID: PMC9914194 DOI: 10.3390/healthcare11030424] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
In the past two decades, major breakthroughs that improve our understanding of the pathophysiology and therapy of kidney stones (KS) have been lacking. The disease continues to be challenging for patients, physicians, and healthcare systems alike. In this context, epidemiological studies are striving to elucidate the worldwide changes in the patterns and the burden of the disease and identify modifiable risk factors that contribute to the development of kidney stones. Our expanding knowledge of the epidemiology of kidney stones is of paramount importance and largely upgrades the modern management of the disease. In this paper, we review the variables affecting prevalence and incidence, including age, gender, race, ethnicity, occupation, climate, geography, systemic diseases, diabetes, vascular disease, chronic kidney disease, and dietary risk factors relevant to kidney stones.
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Affiliation(s)
- Kyriaki Stamatelou
- “MESOGEIOS” Nephrology Center, Haidari and Nephros.eu Private Clinic, 11527 Athens, Greece
| | - David S. Goldfarb
- Nephrology Division, NYU Langone Health and NYU Grossman School of Medicine, NY Nephrology Section, NY Harbor VA Healthcare System, New York, NY 10016, USA
- Correspondence: ; Tel.: +1-212-686-7500 (ext. 3877); Fax: +1-212-951-6842
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24
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Ermer T, Nazzal L, Tio MC, Waikar S, Aronson PS, Knauf F. Oxalate homeostasis. Nat Rev Nephrol 2023; 19:123-138. [PMID: 36329260 DOI: 10.1038/s41581-022-00643-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2022] [Indexed: 11/06/2022]
Abstract
Oxalate homeostasis is maintained through a delicate balance between endogenous sources, exogenous supply and excretion from the body. Novel studies have shed light on the essential roles of metabolic pathways, the microbiome, epithelial oxalate transporters, and adequate oxalate excretion to maintain oxalate homeostasis. In patients with primary or secondary hyperoxaluria, nephrolithiasis, acute or chronic oxalate nephropathy, or chronic kidney disease irrespective of aetiology, one or more of these elements are disrupted. The consequent impairment in oxalate homeostasis can trigger localized and systemic inflammation, progressive kidney disease and cardiovascular complications, including sudden cardiac death. Although kidney replacement therapy is the standard method for controlling elevated plasma oxalate concentrations in patients with kidney failure requiring dialysis, more research is needed to define effective elimination strategies at earlier stages of kidney disease. Beyond well-known interventions (such as dietary modifications), novel therapeutics (such as small interfering RNA gene silencers, recombinant oxalate-degrading enzymes and oxalate-degrading bacterial strains) hold promise to improve the outlook of patients with oxalate-related diseases. In addition, experimental evidence suggests that anti-inflammatory medications might represent another approach to mitigating or resolving oxalate-induced conditions.
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Affiliation(s)
- Theresa Ermer
- Department of Surgery, Division of Thoracic Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Lama Nazzal
- Department of Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - Maria Clarissa Tio
- Division of Nephrology, University of Mississippi Medical Center, Jackson, MS, USA
| | - Sushrut Waikar
- Department of Medicine, Section of Nephrology, Boston University, Boston, MA, USA
| | - Peter S Aronson
- Department of Internal Medicine, Section of Nephrology, Yale School of Medicine, New Haven, CT, USA
| | - Felix Knauf
- Department of Internal Medicine, Section of Nephrology, Yale School of Medicine, New Haven, CT, USA. .,Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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25
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Urinary stone disease in Syrian children. Pediatr Nephrol 2023:10.1007/s00467-022-05860-3. [PMID: 36662300 DOI: 10.1007/s00467-022-05860-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 01/21/2023]
Abstract
BACKGROUND Pediatric urinary stone disease (USD) is a costly medical problem. This study aims to assess the clinical characteristics and outcomes of common and rare causes of pediatric USD. METHODS A retrospective descriptive cohort study included all children < 13 years of age with confirmed USD admitted to the Children's University Hospital in Damascus, Syria, from January 2013 to December 2019. The study sample was divided into two groups based on etiologies: common and rare causes groups. RESULTS We evaluated 235 patients; 147 of them were males, and the male-to-female ratio was 1.7:1. The common causes group consisted of 203 patients (mean age 3.52 ± 3.66 years) and mainly included metabolic disorders (45.5%) and anatomical abnormalities (22.3%), while the rare causes group included 32 cases (mean age 4.93 ± 4.08 years), 12 patients with uric acid stones (37.5%), 7 patients with cystinuria (21.9%), and primary hyperoxaluria in 5 patients (15.6%). In addition, 39.6% of study patients were born to consanguineous marriages. Sixty-two patients developed AKI, and eleven patients had chronic kidney disease (CKD). Patients with rare causes were more likely to have AKI, CKD, bilateral stones, and recurrent stones (P-value < 0.05). Stone analysis was performed on 83 patients, and the main stone types were calcium oxalate (34.9%), uric acid (14.4%), and struvite stones (12%). Surgery was the most performed treatment in 101 patients (56.7%). CONCLUSION Patients with rare causes of pediatric USD are at a higher risk for severe complications and require early diagnosis and management. The high rate of uric acid stones in our society requires further evaluation for possible underlying causes. A higher resolution version of the Graphical abstract is available as Supplementary information.
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26
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Liu H, Cao M, Jin Y, Jia B, Wang L, Dong M, Han L, Abankwah J, Liu J, Zhou T, Chen B, Wang Y, Bian Y. Network pharmacology and experimental validation to elucidate the pharmacological mechanisms of Bushen Huashi decoction against kidney stones. Front Endocrinol (Lausanne) 2023; 14:1031895. [PMID: 36864834 PMCID: PMC9971497 DOI: 10.3389/fendo.2023.1031895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/30/2023] [Indexed: 02/16/2023] Open
Abstract
INTRODUCTION Kidney stone disease (KS) is a complicated disease with an increasing global incidence. It was shown that Bushen Huashi decoction (BSHS) is a classic Chinese medicine formula that has therapeutic benefits for patients with KS. However, its pharmacological profile and mechanism of action are yet to be elucidated. METHODS The present study used a network pharmacology approach to characterize the mechanism by which BSHS affects KS. Compounds were retrieved from corresponding databases, and active compounds were selected based on their oral bioavailability (≥30) and drug-likeness index (≥0.18). BSHS potential proteins were obtained from the Traditional Chinese Medicine Systems Pharmacology (TCMSP) database, whereas KS potential genes were obtained from GeneCards and OMIM, TTD, and DisGeNET. Gene ontology and pathway enrichment analysis were used to determine potential pathways associated with genes. The ingredients of BSHS extract were identified by the ultra-high-performance liquid chromatography coupled with quadrupole orbitrap mass spectrometry (UHPLC-Q/Orbitrap MS). The network pharmacology analyses predicted the potential underlying action mechanisms of BSHS on KS, which were further validated experimentally in the rat model of calcium oxalate kidney stones. RESULTS Our study found that BSHS reduced renal crystal deposition and improved renal function in ethylene glycol(EG)+ammonium chloride(AC)-induced rats, and also reversed oxidative stress levels and inhibited renal tubular epithelial cell apoptosis in rats. BSHS upregulated protein and mRNA expression of E2, ESR1, ESR2, BCL2, NRF2, and HO-1 in EG+AC-induced rat kidney while downregulating BAX protein and mRNA expression, consistent with the network pharmacology results. DISCUSSION This study provides evidence that BSHS plays a critical role in anti-KS via regulation of E2/ESR1/2, NRF2/HO-1, and BCL2/BAX signaling pathways, indicating that BSHS is a candidate herbal drug for further investigation in treating KS.
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Affiliation(s)
- Haizhao Liu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Min Cao
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yutong Jin
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Beitian Jia
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Liming Wang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Mengxue Dong
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lu Han
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Joseph Abankwah
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jianwei Liu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Tao Zhou
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Baogui Chen
- Wuqing Hospital of Traditional Chinese Medicine Affiliated with Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yiyang Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Yiyang Wang, ; Yuhong Bian,
| | - Yuhong Bian
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Yiyang Wang, ; Yuhong Bian,
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Francis S, Sunny N, Rajith L. Picomolar Selective Fluorescent Detection of Creatinine Using Porphyrin in Aqueous Medium. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Clinical Characteristics and In Silico Analysis of Cystinuria Caused by a Novel SLC3A1 Mutation. Genes (Basel) 2022; 13:genes13112173. [DOI: 10.3390/genes13112173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/27/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022] Open
Abstract
Cystinuria is a genetically inherited disorder of renal and intestinal transport, featured as a high concentration of cystine in the urine. Cumulative cystine in urine would cause the formation of kidney stones, which further leads to renal colic and dysfunction. Gene screens have found that mutations in SLC3A1 or SLC7A9 gene are responsible for most cases of cystinuria, for encoding defective cystine transporters. Here, we presented the genotypic and phenotypic characteristics of one unique case of a three-generation Chinese family. The proband developed severe urolithiasis combined with renal damage. The radiography and computed tomography (CT) scan showed calculus in the left pelvic kidney. Postoperative stone analysis revealed that the stones were mainly composed of cystine. Therefore, to explore its pathogenesis, next-generation Whole Exome Sequencing (WES) and Sanger sequencing identify the proband mutated gene of the proband’s family. In this article, we reported novel compound heterozygous mutations (c.818G>A and c.1011G>A) of the SLC3A1 gene in a 5-year-old child suffering from a cystine stone from a three-generation family. Bioinformatic analysis was used to predict the pathogenicity and conservation of the target mutation. Conservative sequence and evolutionary conservation analysis indicated that cystine273 and proline337 were highly conserved among species, and both mutations listed here (Cys273Tyr and Pro337Pro) were pathogenic. To conclude, our study expands the phenotypic and genotypic spectrum of SLC3A1 and indicates that genetic screening should be considered in the clinic to provide more effective and precise treatment for cystinuria.
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Moludi J, Fateh HL, Pasdar Y, Moradinazar M, Sheikhi L, Saber A, Kamari N, Bonyani M, Najafi F, Dey P. Association of dietary inflammatory index with chronic kidney disease and kidney stones in Iranian adults: A cross-sectional study within the Ravansar non-communicable diseases cohort. Front Nutr 2022; 9:955562. [PMID: 36313098 PMCID: PMC9597076 DOI: 10.3389/fnut.2022.955562] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 08/16/2022] [Indexed: 11/20/2022] Open
Abstract
Chronic inflammation plays a central role in the pathogenesis of chronic kidney disease (CKD). The association of dietary inflammatory index (DII) with CKD remains underexplored. Thus, the present study aimed to determine the association between the DII, risk of CKD, and kidney stone formation using the data from the Ravansar non-communicable diseases (RaNCD) cohort study conducted in Kermanshah, Iran. The cross-sectional study was conducted using the recruitment phase data of the RaNCD cohort study comprising 9,824 individuals with an age range of 35–65 years. Food frequency questionnaires (FFQ) were used to evaluate the association between diet and DII scores. Renal function was assessed using estimated glomerular filtration rate (eGFR), blood urea nitrogen (BUN), and serum creatinine (Cr) level. CKD was defined based on eGFR. The prevalence of kidney stones was evaluated by participants’ self-report. A total of 1,791 participants (18.24%) had kidney stones, while a majority were in the first quartile (27.69%). Out of 9,824 subjects, 1,747 subjects (eGFR: 18.50 ml/min per 1.73 m2; 95% CI: 17.72–19.30) had CKD. A significant trend for eGFR across all quartiles (Qs) of DII was observed. The odds ratio of CKD in the fourth quartile (pro-inflammatory diet) was 4.38-times higher than in the first quartile (anti-inflammatory diet) of DII (95% CI = 3.58–5.36). Women were found to be more likely to have less eGFR than men in the DII Qs. Collectively, the findings indicated that consumption of a pro-inflammatory diet was associated with a high occurrence of CKD. As a matter of interest, the results also revealed that a pro-inflammatory diet had no significant correlation with kidney stone development.
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Affiliation(s)
- Jalal Moludi
- School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hawal Lateef Fateh
- Department of Nursing, Sulaimani Polytechnic University, Sulaimani, Iraq
| | - Yahya Pasdar
- School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mehdi Moradinazar
- Behavioral Disease Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Sheikhi
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Amir Saber
- School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Kamari
- School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mitra Bonyani
- Medical Education Development Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Farid Najafi
- Research Center for Environmental Determinants of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
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Wang Q, Jiang Y, Du M, Yang L, Yuan Q. Association of functional genetic variants in TFF1 and nephrolithiasis risk in a Chinese population. BMC Urol 2022; 22:127. [PMID: 35987613 PMCID: PMC9392923 DOI: 10.1186/s12894-022-01081-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 07/25/2022] [Indexed: 11/25/2022] Open
Abstract
Trefoil Factor 1 (TFF1) is considered to be able to inhibit the formation of kidney stone. However, genetic variants in TFF1 and corresponding function in kidney stone development are still not well studied. In this study, the discovery set including 230 cases and 250 controls was used to analyze the association between seven tagSNPs of TFF1 gene and the nephrolithiasis risk. Further evaluation was confirmed by the validation set comprising 307 cases and 461 controls. The consequences of the two-stage case–control study indicated that individuals with the rs3761376 A allele have significantly increased nephrolithiasis risk than those with the GG genotypes [adjusted odds ratio (OR) = 1.35, 95% confidence interval (CI) = 1.05–1.73]. Moreover, we also carried out a stratified analysis and found the increased nephrolithiasis risks at A allele among males, overweight individuals, no hypertensive individuals, nondiabetic individuals, smokers, and drinkers. In the following functional experiments, the notably lower expression of TFF1 was exhibited by the vectors carrying A allele compared with those carrying G allele in both luciferase (P = 0.022) and expression vectors (P = 0.041). In addition to tissue detection, we confirmed a significant inverse association of rs3761376 G > A and TFF1 gene expression (P < 0.001). These results suggest that TFF1 rs3761376 may serve as a potential biomarker to predict the risk of nephrolithiasis.
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Two independent modes of kidney stone suppression achieved by AIM/CD5L and KIM-1. Commun Biol 2022; 5:783. [PMID: 35922481 PMCID: PMC9349198 DOI: 10.1038/s42003-022-03750-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022] Open
Abstract
The prevalence of kidney stones is increasing and its recurrence rate within the first 5 years is over 50%. No treatments that prevent the occurrence/recurrence of stones have reached the clinic. Here, we show that AIM (also called CD5L) suppresses stone development and improves stone-associated physical damages. The N-terminal domain of AIM associates with calcium oxalate crystals via charge-based interaction to impede the development of stones, whereas the 2nd and C-terminal domains capture the inflammatory DAMPs to promote their phagocytic removal. Accordingly, when stones were induced by glyoxylate in mice, recombinant AIM (rAIM) injection dramatically reduced stone development. Expression of injury molecules and inflammatory cytokines in the kidney and overall renal dysfunction were abrogated by rAIM. Among various negatively charged substances, rAIM was most effective in stone prevention due to its high binding affinity to crystals. Furthermore, only AIM was effective in improving the physical complaints including bodyweight-loss through its DAMPs removal effect. We also found that tubular KIM-1 may remove developed stones. Our results could be the basis for the development of a comprehensive therapy against kidney stone disease. The circulating protein apoptosis inhibitor of macrophage (AIM) reduces kidney stone development and prevents build up, providing the basis for kidney stone disease therapy.
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Chewcharat A, Thongprayoon C, Vaughan LE, Mehta RA, Schulte PJ, O'Connor HM, Lieske JC, Taylor EN, Rule AD. Dietary Risk Factors for Incident and Recurrent Symptomatic Kidney Stones. Mayo Clin Proc 2022; 97:1437-1448. [PMID: 35933132 DOI: 10.1016/j.mayocp.2022.04.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/01/2022] [Accepted: 04/26/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To compare dietary factors between incident symptomatic stone formers and controls, and among the incident stone formers, to determine whether dietary factors were predictive of symptomatic recurrence. PATIENTS AND METHODS We prospectively recruited 411 local incident symptomatic kidney stone formers (medical record validated) and 384 controls who were seen at Mayo Clinic in Minnesota or Florida between January 1, 2009, and August 31, 2018. Dietary factors were based on a Viocare, Inc, food frequency questionnaire administered during a baseline in-person study visit. Logistic regression compared dietary risk factors between incident symptomatic stone formers and controls. Incident stone formers were followed up for validated symptomatic recurrence in the medical record. Cox proportional hazards models estimated risk of symptomatic recurrence with dietary factors. Analyses adjusted for fluid intake, energy intake, and nondietary risk factors. RESULTS In fully adjusted analyses, lower dietary calcium, potassium, caffeine, phytate, and fluid intake were all associated with a higher odds of an incident symptomatic kidney stone. Among incident stone formers, 73 experienced symptomatic recurrence during a median 4.1 years of follow-up. Adjusting for body mass index, fluid intake, and energy intake, lower dietary calcium and lower potassium intake were predictive of symptomatic kidney stone recurrence. With further adjustment for nondietary risk factors, lower dietary calcium intake remained a predictor of recurrence, but lower potassium intake only remained a predictor of recurrence among those not taking thiazide diuretics or calcium supplements. CONCLUSION Enriching diets in stone formers with foods high in calcium and potassium may help prevent recurrent symptomatic kidney stones.
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Affiliation(s)
- Api Chewcharat
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | | | - Lisa E Vaughan
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Ramila A Mehta
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Phillip J Schulte
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Helen M O'Connor
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN
| | - John C Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | - Eric N Taylor
- Division of Nephrology, VA Maine Healthcare System, Augusta, ME
| | - Andrew D Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN.
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CXCR4 inhibition attenuates calcium oxalate crystal deposition-induced renal fibrosis. Int Immunopharmacol 2022; 107:108677. [DOI: 10.1016/j.intimp.2022.108677] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 12/12/2022]
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The causes and consequences of paediatric kidney disease on adult nephrology care. Pediatr Nephrol 2022; 37:1245-1261. [PMID: 34389906 DOI: 10.1007/s00467-021-05182-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 05/29/2021] [Accepted: 06/01/2021] [Indexed: 10/20/2022]
Abstract
Adult nephrologists often look after patients who have been diagnosed with kidney disease in childhood. This does present unique challenges to the adult nephrologist, who may be unfamiliar with the underlying cause of kidney disease as well as the complications of chronic kidney disease (CKD) that may have accumulated during childhood. This review discusses common causes of childhood CKD, in particular congenital anomalies of the kidney and urinary tract (CAKUT), autosomal dominant tubulointerstitial kidney disease (ADTKD), polycystic kidney disease, hereditary stone disease, nephrotic syndrome and atypical haemolytic uraemic syndrome. The long-term consequences of childhood CKD, such as the cardiovascular consequences, cognition and education as well as bone health, nutrition and growth are also discussed.
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Kohli H, Kurtz MP. Primary hyperoxaluria type 1: urologic and therapeutic management. Clin Kidney J 2022; 15:i14-i16. [PMID: 35592623 PMCID: PMC9113488 DOI: 10.1093/ckj/sfab187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Indexed: 11/17/2022] Open
Abstract
While the surgical approaches available in primary hyperoxaluria (PH) are common to all patients requiring intervention for urolithiasis, the indications for treatment and their corresponding toxicities are unique. Being a rare disease, we are guided by case series. This review summarizes the available literature highlighting the important disease-specific considerations. Shockwave lithotripsy (SWL) is of particular interest. It is generally the first-line treatment for stones in children, but here the stones produced will be relatively resistant to fragmentation. In addition, there are concerning reports in children of sudden unilateral decline in function in the treated kidney as measured by nuclear renography. Percutaneous nephrostolithotomy might intuitively seem favorable given the shortest drain duration and the ability to treat larger stones efficiently but, similar to SWL, rapid chronic kidney disease (CKD) progression has been seen postoperatively. Ureteroscopy is therefore generally the safest option, but considerations regarding stent encrustation, the growth of residual fragments and the large volume of stone often faced may limit this approach. The surgeon must balance the above with consideration of the patient's CKD status when considering a plan of monitoring and treating stones in PH.
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Affiliation(s)
- Harjivan Kohli
- Boston Children's Hospital, Department of Urology, Boston, MA, USA
| | - Michael P Kurtz
- Boston Children's Hospital, Department of Urology, Boston, MA, USA
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Kidney Stones, Proteinuria and Renal Tubular Metabolic Acidosis: What Is the Link? Healthcare (Basel) 2022; 10:healthcare10050836. [PMID: 35627973 PMCID: PMC9141745 DOI: 10.3390/healthcare10050836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 11/17/2022] Open
Abstract
Kidney stone disease represents a rare cause of chronic kidney disease (2−3%) but has severe clinical consequences. Type 1 renal tubular acidosis is a strong lithogenic condition mainly related to primary Sjögren syndrome. This study aimed to illustrate an unusual presentation of Sjögren syndrome to improve the knowledge about rare kidney stone diseases, and to provide clues for the diagnostic approach in this specific condition. We report the case of a 35-year-old Indian woman with severe nephrocalcinosis and chronic kidney disease with tubular proteinuria who presented for metabolic assessment. We found advanced chronic kidney disease, low serum bicarbonate, permanent alkaline urine with pH at ~7.1, and severe hypocitraturia corresponding to type 1 renal tubular acidosis. The erythrocyte sedimentation rate was high. Serological screening for HAV, HBV, HCV, HIV, EBV was negative and complement was normal. Autoimmune screening showed antinuclear antibodies (>1/1.280) with anti-SSA, anti-SSA/Ro52 and anti-SSB antibodies. Genetic testing excluded an inherited cause of renal tubular acidosis. A renal biopsy showed moderate chronic tubulo-interstitial nephritis without any glomerular involvement. Primary Sjögren syndrome with significant renal involvement was considered, and corticosteroids were then subsequently initiated in combination with potassium citrate with vitamin D substitution. Only partial improvement was observed in electrolytes disturbance. After 15 months, her renal function remained stable. In conclusion, nephrocalcinosis could be the first manifestation of severely impacting diseases such as primary Sjögren syndrome. Chronic kidney disease, bilateral nephrocalcinosis, and metabolic acidosis can be linked through type 1 renal tubular acidosis. Therefore, autoimmune screening for Sjögren syndrome should be considered in such cases.
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Moludi J, Tandorost A, Kamari N, Abdollahzad H, Pakzad R, Najafi F, Pasdar Y. Dietary total antioxidant capacity and its association with renal function and kidney stones: Results of a RaNCD cohort study. Food Sci Nutr 2022; 10:1442-1450. [PMID: 35592299 PMCID: PMC9094466 DOI: 10.1002/fsn3.2753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 11/10/2022] Open
Abstract
There is evidence to support the hypothesis that dietary antioxidants have shown protective effects against chronic kidney disease (CKD). The purpose of this study was to determine the association between the dietary total antioxidant capacity (DTAC), renal function, and development of CKD and kidney stones in Ravansar Non‐Communicable Diseases (RaNCD) cohort study, Kermanshah, Iran. This cross‐sectional study was conducted using the recruitment baseline data of the RaNCD cohort study on 9,777 individuals aged 35–65 years. Food frequency questionnaire (FFQ) was performed to assess diet. DTAC scores were calculated using the ferric reducing antioxidant power (FRAP) of selected foods. Renal function was assessed by the estimated glomerular filtration rate (eGFR), blood urea nitrogen, and serum creatinine concentration. Prevalent CKD was based on an eGFR less than <60 ml/min per 1.73 m2. Incidence of kidney stones was also assessed by self‐reporting. Out of 9,777 participants, 1,747 subjects (eGFR: 18.50 ml/min per 1.73 m2; 95% confidence interval (CI): 17.72–19.30) had CKD. The mean DTAC score in this study was 0.24 ± 0.16 µmol TE/100 g (micromole of Trolox Equivalents). We showed a significant trend for eGFR across quartiles of DTAC, i.e., participants in the fourth quartile had a higher glomerular filtration rate (GFR) than those in the first one (DTAC Q4 vs Q1 = 82.20 versus 72.20 ml/min per 1.73 m2, p < .001). Another finding is that high DTAC scores were not associated with having kidney stones after adjusting for confounders. We revealed that higher DTAC scores have positive effects on the renal function. Interestingly, our findings showed that a high DTAC score had nonsignificant correlation with odds of kidney stones.
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Affiliation(s)
- Jalal Moludi
- Research Center for Environmental Determinants of Health (RCEDH) Kermanshah University of Medical Sciences Kermanshah Iran.,School of Nutritional Sciences and Food Technology Kermanshah University of Medical Sciences Kermanshah Iran
| | - Arash Tandorost
- Nutrition Research Center Faculty of Nutrition and Food Sciences Tabriz University of Medical Sciences Tabriz Iran
| | - Negin Kamari
- Research Center for Environmental Determinants of Health (RCEDH) Kermanshah University of Medical Sciences Kermanshah Iran
| | - Hadi Abdollahzad
- Research Center for Environmental Determinants of Health (RCEDH) Kermanshah University of Medical Sciences Kermanshah Iran
| | - Reza Pakzad
- Department of Epidemiology Faculty of Health Ilam University of Medical Sciences Ilam Iran
| | - Farid Najafi
- Research Center for Environmental Determinants of Health (RCEDH) Kermanshah University of Medical Sciences Kermanshah Iran
| | - Yahya Pasdar
- Research Center for Environmental Determinants of Health (RCEDH) Kermanshah University of Medical Sciences Kermanshah Iran.,School of Nutritional Sciences and Food Technology Kermanshah University of Medical Sciences Kermanshah Iran
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Mohim M, Kachkoul R, El Habbani R, Lahrichi A, Sqalli Houssaini T. In vitro effect of Sidi Hrazem mineral water on the dissolution of calcium oxalate monohydrate calculi (Whewellite). SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Singh P, Harris PC, Sas DJ, Lieske JC. The genetics of kidney stone disease and nephrocalcinosis. Nat Rev Nephrol 2022; 18:224-240. [PMID: 34907378 DOI: 10.1038/s41581-021-00513-4] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2021] [Indexed: 12/15/2022]
Abstract
Kidney stones (also known as urinary stones or nephrolithiasis) are highly prevalent, affecting approximately 10% of adults worldwide, and the incidence of stone disease is increasing. Kidney stone formation results from an imbalance of inhibitors and promoters of crystallization, and calcium-containing calculi account for over 80% of stones. In most patients, the underlying aetiology is thought to be multifactorial, with environmental, dietary, hormonal and genetic components. The advent of high-throughput sequencing techniques has enabled a monogenic cause of kidney stones to be identified in up to 30% of children and 10% of adults who form stones, with ~35 different genes implicated. In addition, genome-wide association studies have implicated a series of genes involved in renal tubular handling of lithogenic substrates and of inhibitors of crystallization in stone disease in the general population. Such findings will likely lead to the identification of additional treatment targets involving underlying enzymatic or protein defects, including but not limited to those that alter urinary biochemistry.
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Affiliation(s)
- Prince Singh
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Peter C Harris
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA.,Division of Molecular Biology and Biochemistry, Mayo Clinic, Rochester, MN, USA
| | - David J Sas
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA.,Division of Pediatric Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - John C Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA. .,Division of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
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Medina-Escobedo M, Sánchez-Pozos K, Gutiérrez-Solis AL, Avila-Nava A, González-Rocha L, Lugo R. Recurrence of Nephrolithiasis and Surgical Events Are Associated with Chronic Kidney Disease in Adult Patients. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58030420. [PMID: 35334596 PMCID: PMC8954899 DOI: 10.3390/medicina58030420] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 11/30/2022]
Abstract
Background and objective: Nephrolithiasis (NL) is a public health problem in the population of Southeast Mexico because of its high prevalence and recurrence. The evolution of this pathology can result in renal damage and may even cause chronic kidney disease (CKD), leading to a reduced glomerular filtration rate (GFR), decreased kidney function, and kidney loss in advanced stages. However, few studies support this evidence in the population. The present study aimed to determine risk factors associated with CKD in adult patients in an endemic population of Mexico. Materials and methods: A case-control study was carried out with patients diagnosed with NL. Additionally, the clinical information of patients (age, weight, height, blood pressure, comorbidities, and time of progress of NL), characteristics of the stones (number, location, and Hounsfield units), and biochemical parameters were collected. Results: The recurrence of NL was associated with CKD (OR 1.91; 95% CI 1.37−2.27; p = 0.003). In addition, male sex (p = 0.016), surgical history (p = 0.011), bilateral kidney stones (p < 0.001), and urinary tract infections (p = 0.004) were other factors associated with CKD. Interestingly, thirty-two patients younger than 50 years old with >2 surgical events presented a significant decrease in GFR (p < 0.001). Conclusions: The recurrence of NL and the number of surgical events were risk factors associated with CKD in patients with NL treated in our population.
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Affiliation(s)
- Martha Medina-Escobedo
- Research Unit, Hospital Regional de Alta Especialidad de la Peninsula de Yucatán, Calle 7 por 20 y 22, Fraccionamiento Altabrisa, Merida 97130, Mexico; (M.M.-E.); (A.L.G.-S.); (A.A.-N.); (L.G.-R.)
| | - Katy Sánchez-Pozos
- Molecular Endocrinology Laboratory, Hospital Juarez de Mexico, Av. Instituto Politecnico Nacional 5160, Gustavo A. Madero, Mexico City 07760, Mexico;
| | - Ana Ligia Gutiérrez-Solis
- Research Unit, Hospital Regional de Alta Especialidad de la Peninsula de Yucatán, Calle 7 por 20 y 22, Fraccionamiento Altabrisa, Merida 97130, Mexico; (M.M.-E.); (A.L.G.-S.); (A.A.-N.); (L.G.-R.)
| | - Azalia Avila-Nava
- Research Unit, Hospital Regional de Alta Especialidad de la Peninsula de Yucatán, Calle 7 por 20 y 22, Fraccionamiento Altabrisa, Merida 97130, Mexico; (M.M.-E.); (A.L.G.-S.); (A.A.-N.); (L.G.-R.)
| | - Lizeth González-Rocha
- Research Unit, Hospital Regional de Alta Especialidad de la Peninsula de Yucatán, Calle 7 por 20 y 22, Fraccionamiento Altabrisa, Merida 97130, Mexico; (M.M.-E.); (A.L.G.-S.); (A.A.-N.); (L.G.-R.)
| | - Roberto Lugo
- Research Unit, Hospital Regional de Alta Especialidad de la Peninsula de Yucatán, Calle 7 por 20 y 22, Fraccionamiento Altabrisa, Merida 97130, Mexico; (M.M.-E.); (A.L.G.-S.); (A.A.-N.); (L.G.-R.)
- Correspondence:
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Greasley J, Goolcharan S, Andrews R. Quantitative phase analysis and microstructural characterization of urinary tract calculi with X-ray diffraction Rietveld analysis on a Caribbean island. J Appl Crystallogr 2022. [DOI: 10.1107/s1600576721011602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
In the twin-island state of Trinidad and Tobago, urinary stone analysis is not routinely performed. This study investigates, via powder X-ray diffraction, 52 urinary tract calculi collected from hospitals in Trinidad. Of these, 46 stones were analysed with Rietveld refinement for quantitative analysis and materials characterization. Refined unit-cell, microstructural and weight fraction parameters were obtained, with the last being used for stone classification. The results revealed seven distinct mineralogical phases of varying frequency: calcium oxalate monohydrate (COM, 58%), calcium oxalate dihydrate (COD, 23%), carbonated apatite (APA, 48%), brushite (BRU, 6%), struvite (STR, 42%), uric acid (UA, 23%) and ammonium acid urate (AAU, 19%). The average refined crystallite sizes were 1352 ± 90 Å (COM), 1921 ± 285 Å (COD), 83 ± 5 Å (APA), 1172 ± 9 Å (BRU), 1843 ± 138 Å (STR), 981 ± 87 Å (UA) and 292 ± 83 Å (AAU). Subsequently, 36.5% of stones were categorized as phosphates, 34.6% as oxalates, 13.5% as uric acid/urates and 15.4% as mixed compositions. The study findings highlight the importance of stone analysis as a necessary step towards disease management of local patients, and endorse the application of Rietveld refinement as a natural extension to diffraction-based kidney stone investigations.
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Betel Nut Chewing Is Associated with the Risk of Kidney Stone Disease. J Pers Med 2022; 12:jpm12020126. [PMID: 35207614 PMCID: PMC8879579 DOI: 10.3390/jpm12020126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/19/2021] [Accepted: 12/30/2021] [Indexed: 02/05/2023] Open
Abstract
(1) Background: Betel nut chewing injures bodily health. Although, the relationship between betel nut chewing and kidney stone disease (KSD) is unknown. (2) Methods: We analyzed 43,636 men from Taiwan Biobank. We divided them into two groups on the status of betel nut chewing, the never-chewer and ever-chewer groups. Self-reported diagnosed KSD was defined as the subject’s medical history of KSD in the questionnaire. Logistic regression was used to analyze the association of betel nut chewing and the risk of KSD. (3) Results: The mean age of subjects in the present study was 50 years, and 16% were ever-chewers. KSD was observed in 3759 (10.3%) and 894 (12.6%) participants in the group of never-chewer and ever-chewer groups, respectively. Higher risk of KSD was found in participants with betel nut chewing compared with to without betel nut chewing (odds ratio (OR), 1.094; 95% confidence interval (95% CI), 1.001 to 1.196). Furthermore, the daily amounts of betel nut chewing >30 quids was associated with a more than 1.5-fold increase (OR, 1.571; 95% CI, 1.186 to 2.079) in the odds of KSD; (4) Conclusions: Our study suggests that betel nut chewing is associated with the risk of KSD and warrants further attention to this problem.
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Chang CK, Chang CC, Wu VC, Geng JH, Lee HY. The Relationship Between Renal Stones and Primary Aldosteronism. Front Endocrinol (Lausanne) 2022; 13:828839. [PMID: 35222284 PMCID: PMC8864315 DOI: 10.3389/fendo.2022.828839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/13/2022] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION The association between primary aldosteronism (PA) and nephrolithiasis is still unclear. The hypercalciuria and hypocitraturia of PA patients might be the reason leading to recurrent calcium nephrolithiasis. This study aimed to evaluate the relationship between PA and renal stones, including stone size and density. MATERIALS AND METHODS From February 2010 to March 2021, we retrospectively collected 610 patients who presented to our medical center with hypertension history, and all these patients, suspicious of PA, had PA data survey. In total, 147 patients had kidney stone and were divided into 44 patients with essential hypertension as group 1 and 103 patients with PA as group 2. Pearson χ2 test and independent Student's t-test were performed to examine the differences among variables. RESULTS The mean age was 54.4 ± 12.0 years in group 1 and 53.0 ± 11.1 years in group 2. The incidence rate of renal stones in the PA group was around 24%. No significant differences between the two groups were found for gender, systolic/diastolic blood pressure, duration of hypertension, diabetes mellitus history, and laterality of kidney stone; however, mean stone size was 4.0 ± 3.3 mm in group 1 and 6.5 ± 7.2 mm in group 2, with a significantly larger renal stone size noted in the PA group than that in the essential hypertension group (p = 0.004). Hounsfield unit (HU) density was higher in the PA group vis-à-vis the essential hypertension cohort, although this did not reach a significant difference (p = 0.204). CONCLUSIONS Our study revealed that PA patients had a higher incidence rate of renal stones compared to that of the general population. Besides, the PA-related renal stones also presented as larger and harder than those of the essential hypertension group. Further investigation concerning the association between PA and renal stones is warranted.
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Affiliation(s)
- Chun-Kai Chang
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Chin-Chen Chang
- Department of Medical Imaging, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
- Department and Graduate Institute of Forensic Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Vin-Cent Wu
- Section of Nephrology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jiun-Hung Geng
- Department of Urology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan
| | - Hsiang-Ying Lee
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- *Correspondence: Hsiang-Ying Lee,
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Xia Y, Zhou X, Ye Z, Yu W, Ning J, Ruan Y, Yuan R, Lin F, Ye P, Zheng D, Rao T, Cheng F. Construction and Analysis of Immune Infiltration-Related ceRNA Network for Kidney Stones. Front Genet 2021; 12:774155. [PMID: 34938320 PMCID: PMC8686191 DOI: 10.3389/fgene.2021.774155] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 11/17/2021] [Indexed: 12/29/2022] Open
Abstract
Purpose: Kidney stones is a common medical issue that mediates kidney injury and even kidney function loss. However, the exact pathogenesis still remains unclear. This study aimed to explore the potential competing endogenous RNA (ceRNA)-related pathogenesis of kidney stones and identify the corresponding immune infiltration signature. Methods: One mRNA and one long non-coding RNA (lncRNA) microarray dataset was obtained from the GEO database. Subsequently, we compared differentially expressed mRNAs (DE-mRNAs) and lncRNAs between Randall's plaques in patients with calcium oxalate (CaOx) stones and controls with normal papillary tissues. lncRNA-targeted miRNAs and miRNA-mRNA pairs were predicted using the online databases. lncRNA-related DE-mRNAs were identified using the Venn method, and GO and KEGG enrichment analyses were subsequently performed. The immune-related lncRNA-miRNA-mRNA ceRNA network was developed. The CIBERSORT algorithm was used to estimate the rate of immune cell infiltration in Randall's plaques. The ceRNA network and immune infiltration were validated in the glyoxylate-induced hyperoxaluric mouse model and oxalate-treated HK-2 cells. Results: We identified 2,340 DE-mRNAs and 929 DE-lncRNAs between Randall's plaques in patients with CaOx stones and controls with normal papillary tissues. lncRNA-related DE-mRNAs were significantly enriched in extracellular matrix organization and collagen-containing extracellular matrix, which were associated with kidney interstitial fibrosis. The immune-related ceRNA network included 10 lncRNAs, 23 miRNAs, and 20 mRNAs. Moreover, we found that M2 macrophages and resting mast cells were differentially expressed between Randall's plaques and normal tissues. Throughout kidney stone development, kidney tubular injury, crystal deposition, collagen fiber deposition, TGF-β expression, infiltration of M1 macrophages, and activation of mast cells were more frequent in glyoxylate-induced hyperoxaluric mice compared with control mice. Nevertheless, M2 macrophage infiltration increased in early stages (day 6) and decreased as kidney stones progressed (day 12). Furthermore, treatment with 0.25 and 0.5 mM of oxalate for 48 h significantly upregulated NEAT1, PVT1, CCL7, and ROBO2 expression levels and downregulated hsa-miR-23b-3p, hsa-miR-429, and hsa-miR-139-5p expression levels in the HK-2 cell line in a dose-dependent manner. Conclusion: We found that significant expressions of ceRNAs (NEAT1, PVT1, hsa-miR-23b-3p, hsa-miR-429, hsa-miR-139-5p, CCL7, and ROBO2) and infiltrating immune cells (macrophages and mast cells) may be involved in kidney stone pathogenesis. These findings provide novel potential therapeutic targets for kidney stones.
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Affiliation(s)
- Yuqi Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zehua Ye
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Run Yuan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangyou Lin
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Peng Ye
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Di Zheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
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45
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Hsiao CY, Chen TH, Lee YC, Wang MC. Ureteral stone with hydronephrosis and urolithiasis alone are risk factors for acute kidney injury in patients with urinary tract infection. Sci Rep 2021; 11:23333. [PMID: 34857804 PMCID: PMC8639828 DOI: 10.1038/s41598-021-02647-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 11/09/2021] [Indexed: 12/18/2022] Open
Abstract
To identify whether urolithiasis with or without hydronephrosis has an impact on acute kidney injury (AKI) in patients with urinary tract infection (UTI). This study aimed to identify whether urolithiasis with or without hydronephrosis has an impact on AKI in patients with UTI. This retrospective study enrolled hospitalized UTI patients who underwent imaging in an acute care setting from January 2006 to April 2019. Of the 1113 participants enrolled, 191 (17.2%) had urolithiasis and 76 (6.8%) had ureteral stone complicated with hydronephrosis. Multivariate logistic regression analysis showed that in UTI patients with urolithiasis, the presence of ureteral stone with concomitant hydronephrosis was an independent risk factor for AKI (odds ratio [OR] 2.299, 95% confidence interval [CI] 1.112–4.755, P = 0.025). In addition, urolithiasis was associated with an increased risk for AKI (OR 2.451, 95% CI 1.369–4.389, P = 0.003) in UTI patients without hydronephrosis. The presence of ureteral stone with hydronephrosis increases the risk for AKI of UTI patients with urolithiasis, and urolithiasis remains a risk factor of AKI in UTI patients without hydronephrosis.
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Affiliation(s)
- Chih-Yen Hsiao
- Division of Nephrology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan.,Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Tsung-Hsien Chen
- Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Yi-Chien Lee
- Department of Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei, Taiwan.,School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei, Taiwan
| | - Ming-Cheng Wang
- Division of Nephrology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Chen CM, Lin CY, Chung YP, Liu CH, Huang KT, Guan SS, Wu CT, Liu SH. Protective Effects of Nootkatone on Renal Inflammation, Apoptosis, and Fibrosis in a Unilateral Ureteral Obstructive Mouse Model. Nutrients 2021; 13:nu13113921. [PMID: 34836176 PMCID: PMC8621682 DOI: 10.3390/nu13113921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 12/17/2022] Open
Abstract
Nootkatone is one of the major active ingredients of Alpiniae oxyphyllae, which has been used as both food and medicinal plants for the treatment of diarrhea, ulceration, and enuresis. In this study, we aimed to investigate whether nootkatone treatment ameliorated the progression of chronic kidney diseases (CKD) and clarified its underlying mechanisms in an obstructive nephropathy (unilateral ureteral obstructive; UUO) mouse model. Our results revealed that nootkatone treatment preventively decreased the pathological changes and significantly mitigated the collagen deposition as well as the protein expression of fibrotic markers. Nootkatone could also alleviate oxidative stress-induced injury, inflammatory cell infiltration, and renal cell apoptotic death in the kidneys of UUO mice. These results demonstrated for the first time that nootkatone protected against the progression of CKD in a UUO mouse model. It may serve as a potential therapeutic candidate for CKD intervention.
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Affiliation(s)
- Chang-Mu Chen
- Division of Neurosurgery, Department of Surgery, College of Medicine and Hospital, National Taiwan University, Taipei 10051, Taiwan;
| | - Chen-Yu Lin
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
| | - Yao-Pang Chung
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
| | - Chia-Hung Liu
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11041, Taiwan;
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11041, Taiwan
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
| | - Kuo-Tong Huang
- Department of Nephrology, Department of Internal Medicine, National Taiwan University Hospital, Taipei 10051, Taiwan;
| | - Siao-Syun Guan
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan 32546, Taiwan;
| | - Cheng-Tien Wu
- Department of Nutrition, China Medical University, Taichung 406040, Taiwan
- Master Program of Food and Drug Safety, China Medical University, Taichung 406040, Taiwan
- Correspondence: (C.-T.W.); (S.-H.L.); Tel.: +886-4-22053366 (ext. 7525) (C.-T.W.); +886-2-23123456 (ext. 88605) (S.-H.L.)
| | - Shing-Hwa Liu
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 406040, Taiwan
- Department of Paediatrics, National Taiwan University Hospital, Taipei 10051, Taiwan
- Correspondence: (C.-T.W.); (S.-H.L.); Tel.: +886-4-22053366 (ext. 7525) (C.-T.W.); +886-2-23123456 (ext. 88605) (S.-H.L.)
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47
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Murad DN, Ibrahim HN. Refining risk prediction for kidney donor candidates with stones. Clin Transplant 2021; 35:e14499. [PMID: 34672393 DOI: 10.1111/ctr.14499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Dina N Murad
- Department of Medicine, Houston Methodist Hospital, Houston, Texas, USA
| | - Hassan N Ibrahim
- Department of Medicine, Houston Methodist Hospital, Houston, Texas, USA
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48
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Yan MT, Chao CT, Lin SH. Chronic Kidney Disease: Strategies to Retard Progression. Int J Mol Sci 2021; 22:ijms221810084. [PMID: 34576247 PMCID: PMC8470895 DOI: 10.3390/ijms221810084] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 12/11/2022] Open
Abstract
Chronic kidney disease (CKD), defined as the presence of irreversible structural or functional kidney damages, increases the risk of poor outcomes due to its association with multiple complications, including altered mineral metabolism, anemia, metabolic acidosis, and increased cardiovascular events. The mainstay of treatments for CKD lies in the prevention of the development and progression of CKD as well as its complications. Due to the heterogeneous origins and the uncertainty in the pathogenesis of CKD, efficacious therapies for CKD remain challenging. In this review, we focus on the following four themes: first, a summary of the known factors that contribute to CKD development and progression, with an emphasis on avoiding acute kidney injury (AKI); second, an etiology-based treatment strategy for retarding CKD, including the approaches for the common and under-recognized ones; and third, the recommended approaches for ameliorating CKD complications, and the final section discusses the novel agents for counteracting CKD progression.
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Affiliation(s)
- Ming-Tso Yan
- Department of Medicine, Division of Nephrology, Cathay General Hospital, School of Medicine, Fu-Jen Catholic University, Taipei 106, Taiwan;
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei 114, Taiwan
| | - Chia-Ter Chao
- Department of Internal Medicine, Nephrology Division, National Taiwan University Hospital, Taipei 104, Taiwan;
- Graduate Institute of Toxicology, National Taiwan University College of Medicine, Taipei 104, Taiwan
- Department of Internal Medicine, Nephrology Division, National Taiwan University College of Medicine, Taipei 104, Taiwan
| | - Shih-Hua Lin
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei 114, Taiwan
- Department of Internal Medicine, Nephrology Division, National Defense Medical Center, Taipei 104, Taiwan
- Correspondence: or
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49
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Zamzami Z, Rayendra H, Az-Zahra N. Associations Between Kidney Dysfunction and Risk Factors in Patients with Transurethral Resection of the Prostate. Res Rep Urol 2021; 13:665-672. [PMID: 34522686 PMCID: PMC8434922 DOI: 10.2147/rru.s326836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/20/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose Benign prostate hyperplasia (BPH) with urinary retention can result in kidney dysfunction. Several risk factors might influence deterioration in kidney function. The aims of this study were to assess the association between kidney dysfunction and risk factors in patients with transurethral resection of the prostate (TURP). Methods We reviewed medical records of BPH patients managed by TURP and having high levels of blood urea and creatinine. Data collected were age, history of hypertension, diabetes mellitus (DM), urinary tract infection (UTI), urinary retention, and urinary tract stones, duration of obstruction, and blood-urea and -creatinine levels before and after TURP. Chi-suare and paired t- tests were used. Results There were 64 patients in the study. More were aged 60-69 years (42.2%) than other age-groups, 53.1% had a history of hypertension, 12.5% DM, 35.9% UTI, all urinary retention, 14.1% urinary tract stones, and 92.2% obstruction duration <14 days. There were significant differences in blood-urea and -creatinine levels between before and after TURP (p<0.001). There were no significant differences between age-group, hypertension, DM, UTI, urinary retention, urinary stones, or duration of obstruction with kidney dysfunction after TURP (p>0.001). Conclusion Age, hypertension, DM, UTI, urinary retention, urinary tract stones, and duration of obstruction can be risk factors of kidney dysfunction in TURP patients, and TURP might improve blood-urea and -creatinine levels. There was no significant association between kidney recovery and kidney dysfunction with the number of risk factors in TURP and pre-TURP patients.
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Affiliation(s)
- Zuhirman Zamzami
- Urology Division, Surgery Department, Medical Faculty of Riau University, Pekanbaru, Riau, Indonesia
| | - Herman Rayendra
- Department of Internal Medicine, Consultant of Kidney and Hypertension, Medical Faculty of Riau University, Pekanbaru, Riau, Indonesia
| | - Nafisa Az-Zahra
- Medical Faculty of Riau University, Pekanbaru, Riau, Indonesia
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50
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Si Y, Liu L, Cheng J, Zhao T, Zhou Q, Yu J, Chen W, Ding J, Sun X, Lu H, Guo Z. Oral Hydrogen-Rich Water Alleviates Oxalate-Induced Kidney Injury by Suppressing Oxidative Stress, Inflammation, and Fibrosis. Front Med (Lausanne) 2021; 8:713536. [PMID: 34490303 PMCID: PMC8418222 DOI: 10.3389/fmed.2021.713536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 07/16/2021] [Indexed: 11/27/2022] Open
Abstract
Objective: To explore the theraputic effects and potential mechanisms of hydrogen-rich water (HRW) against oxalate-induced kidney injury. Methods: The mouse model of Calcium oxalate (CaOx) crystallization was established by feeding a soluble oxalate diet. Crystal deposition, tubular injury, fibrosis and reactive oxygen species (ROS) production in kidneys were examined by histology. Serum indexes of renal injury, inflammation and oxidative stress were detected by commercial kits. RNA sequencing (RNA-seq) was performed to screen potential pathways and the expressions of key molecules in these pathways were determined by western blotting and immunohistochemistry. Results: Crystal deposition, tubular injury, fibrosis and increased ROS production in kidneys of mice induced by oxalate diet were improved with HRW administration. The indexes of renal injury, inflammation and oxidative stress in serum of mice were upregulated by oxalate diet, which were reduced by HRW. A total of 3,566 differential genes were screened by RNA-seq and these genes were analyzed by pathway enrichment and PI3K/AKT, NF-κB, and TGF-β pathways were selected for further verification. The expressions of molecules related to PI3K-AKT pathway (PI3K, AKT, and p-AKT), NF-κB pathway (NF-κB p65, p- NF-κB p65, NLRP3, and IL-1β) and TGF-β pathway (TGF-β, TGF-βRI, TGF-βRII, p-Smad2, and p-Smad3) in renal tissues were increased by oxalate diet, which were reduced by HRW administration. Conclusion: HRW may alleviate oxalate-induced kidney injury with its anti-oxidative, anti-inflammatory and anti-fibrotic effects via inhibiting PI3K/AKT, NF-κB, and TGF-β pathways.
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Affiliation(s)
- Yachen Si
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lulu Liu
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jin Cheng
- Internal Medicine III (Nephrology and Endocrinology), Naval Medical Center, Naval Medical University, Shanghai, China
| | - Tingting Zhao
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Qi Zhou
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jianpeng Yu
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Wei Chen
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jiarong Ding
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xuejun Sun
- Department of Naval Medicine, Naval Medical University, Shanghai, China.,Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai, China
| | - Hongtao Lu
- Department of Naval Medicine, Naval Medical University, Shanghai, China
| | - Zhiyong Guo
- Department of Nephrology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
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