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Fu C, Liu Y, Yang H, Liang Q, Liu W, Guo W. Construction of a miR-15a-based risk prediction model for vascular calcification detection in patients undergoing hemodialysis. Ren Fail 2024; 46:2313175. [PMID: 38419564 PMCID: PMC10906117 DOI: 10.1080/0886022x.2024.2313175] [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: 07/31/2023] [Accepted: 01/27/2024] [Indexed: 03/02/2024] Open
Abstract
Vascular calcification (VC) is highly prevalent in patients undergoing hemodialysis, and is a significant contributor to the mortality rate. Therefore, biomarkers that can accurately predict the onset of VC are urgently required. Our study aimed to investigate serum miR-15a levels in relation to VC and to develop a predictive model for VC in patients undergoing hemodialysis at the Beijing Friendship Hospital hemodialysis center between 1 January 2019 and 31 December 2020. The patients were categorized into two groups: VC and non-VC. Logistic regression (LR) models were used to examine the risk factors associated with VC. Additionally, we developed an miR-15a-based nomogram based on the results of the multivariate LR analysis. A total of 138 patients under hemodialysis were investigated (age: 58.41 ± 13.22 years; 54 males). VC occurred in 79 (57.2%) patients. Multivariate LR analysis indicated that serum miR-15a, age, and WBC count were independent risk factors for VC. A miR-15a-based nomogram was developed by incorporating the following five predictors: age, dialysis vintage, predialysis nitrogen, WBC count, and miR-15a. The receiver operating characteristic (ROC) curve had an area under the curve of 0.921, diagnostic threshold of 0.396, sensitivity of 0.722, and specificity of 0.932, indicating that this model had good discrimination. This study concluded that serum miR-15a levels, age, and white blood cell (WBC) count are independent risk factors for VC. A nomogram constructed by integrating these risk factors can be used to predict the risk of VC in patients undergoing hemodialysis.
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Affiliation(s)
- Chen Fu
- Department of Nephrology, Faculty of Kidney Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
| | - Yingjie Liu
- Department of Nephrology, Faculty of Kidney Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
| | - Huayu Yang
- Division of Geriatrics, Medical and Health Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
| | - Qiaojing Liang
- Division of Geriatrics, Medical and Health Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
| | - Wenhu Liu
- Department of Nephrology, Faculty of Kidney Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
| | - Weikang Guo
- Department of Nephrology, Faculty of Kidney Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, PR China
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Ahn SY, Ko GJ, Hwang HS, Jeong KH, Jin K, Kim YG, Moon JY, Lee SH, Lee SY, Yang DH, Jung JY, Oh KH, Lee YK, Kim GH, Kim SW, Kim YH, Lee DY, Hong YA, Park HC, Yoon SA, Choi BS, Ban TH, Kim HJ, Kwon YJ. Understanding the Korean Dialysis Cohort for Mineral, Vascular Calcification, and Fracture (ORCHESTRA) Study: Design, Method, and Baseline Characteristics. Kidney Blood Press Res 2024; 49:326-335. [PMID: 38657581 DOI: 10.1159/000539030] [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: 07/09/2023] [Accepted: 03/23/2024] [Indexed: 04/26/2024] Open
Abstract
INTRODUCTION End-stage renal disease (ESRD) is a growing disease worldwide, including Korea. This is an important condition that affects patient outcome. To provide optimal management for mineral disturbance, vascular calcification, and bone disease in ESRD patients, the Korean dialysis cohort for mineral, vascular calcification, and fracture (ORCHESTRA) study was conducted by enrolling Korean dialysis patients. METHODS Sixteen university-affiliated hospitals and one Veterans' Health Service Medical Center participated in this study. This prospective cohort study enrolled approximately 900 consecutive patients on dialysis between May 2019 and January 2021. Enrolled subjects were evaluated at baseline for demographic information, laboratory tests, radiologic imaging, and bone mineral densitometry (BMD) scans. After enrollment, regular assessments of the patients were performed, and their biospecimens were collected according to the study protocol. The primary outcomes were the occurrence of major adverse cardiovascular events, invasive treatment for peripheral artery disease, and osteoporotic fractures. The secondary outcomes were hospitalization for cerebrovascular disease or progression of abdominal aortic calcification. Participants will be assessed for up to 3 years to determine whether primary or secondary outcomes occur. RESULTS Between May 2019 and January 2021, all participating centers recruited 900 consecutive dialysis patients, including 786 undergoing hemodialysis (HD) and 114 undergoing peritoneal dialysis (PD). The mean age of the subjects was 60.4 ± 12.3 years. Males accounted for 57.7% of the total population. The mean dialysis vintage was 6.1 ± 6.0 years. The HD group was significantly older, had a longer dialysis vintage, and more comorbidities. Overall, the severity of vascular calcification was higher and the level of BMD was lower in the HD group than in the PD group. CONCLUSION This nationwide, multicenter, prospective cohort study focused on chronic kidney disease-mineral and bone disorder and aimed to provide clinical evidence to establish optimal treatment guidelines for Asian dialysis patients.
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Affiliation(s)
- Shin Young Ahn
- Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea,
| | - Gang Jee Ko
- Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Hyeon Seok Hwang
- Department of Internal Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Kyung Hwan Jeong
- Department of Internal Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Kyubok Jin
- Department of Internal Medicine, Keimyung University Dongsan Medical Center, Daegu, Republic of Korea
| | - Yang Gyun Kim
- Department of Internal Medicine, Kyung Hee University East-West Neo Medical Center, Seoul, Republic of Korea
| | - Ju-Young Moon
- Department of Internal Medicine, Kyung Hee University East-West Neo Medical Center, Seoul, Republic of Korea
| | - Sang Ho Lee
- Department of Internal Medicine, Kyung Hee University East-West Neo Medical Center, Seoul, Republic of Korea
| | - So-Young Lee
- Department of Internal Medicine, CHA Medical School Bundang CHA Medical Center, Seongnam, Republic of Korea
| | - Dong-Ho Yang
- Department of Internal Medicine, CHA Medical School Bundang CHA Medical Center, Seongnam, Republic of Korea
| | - Ji Yong Jung
- Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea
| | - Kook-Hwan Oh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Young-Ki Lee
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Seoul, Republic of Korea
| | - Gheun-Ho Kim
- Department of Internal Medicine, Hanyang University Seoul Hospital, Seoul, Republic of Korea
| | - Soo Wan Kim
- Department of Internal Medicine, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Yeong Hoon Kim
- Department of Internal Medicine, Inje University Busan Paik Hospital, Busan, Republic of Korea
| | - Dong-Young Lee
- Department of Internal Medicine, Veterans Health Service Medical Center, Seoul, Republic of Korea
| | - Yu Ah Hong
- Department of Internal Medicine, The Catholic University of Korea Daejeon St. Mary's Hospital, Daejeon, Republic of Korea
| | - Hyeong Cheon Park
- Department of Internal Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea
| | - Sun Ae Yoon
- Department of Internal Medicine, The Catholic University of Korea Uijeongbu St. Mary's Hospital, Uijeongbu, Republic of Korea
| | - Bum Soon Choi
- Department of Internal Medicine, The Catholic University of Korea Eunpyeong St. Mary's Hospital, Seoul, Republic of Korea
| | - Tae Hyun Ban
- Department of Internal Medicine, The Catholic University of Korea Eunpyeong St. Mary's Hospital, Seoul, Republic of Korea
| | - Hyo Jin Kim
- Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Young Joo Kwon
- Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
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Petrović M, Brković V, Baralić M, Marić I, Petković N, Stanković S, Lalić N, Stanisavljević D, Đukanović L, Ležaić V. Comparative Analysis of Vascular Calcification Risk Factors in Pre-Hemodialysis and Prevalent Hemodialysis Adult Patients: Insights into Calcification Biomarker Associations and Implications for Intervention Strategies in Chronic Kidney Disease. Diagnostics (Basel) 2024; 14:824. [PMID: 38667470 PMCID: PMC11049133 DOI: 10.3390/diagnostics14080824] [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: 02/11/2024] [Revised: 04/06/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
This retrospective study aimed to compare risk factors for vascular calcification (VC) between pre-hemodialysis (HD) and prevalent HD adult patients while investigating associations with calcification biomarkers. Baseline data from 30 pre-HD and 85 HD patients were analyzed, including iPTH, vitamin D, FGF 23, fetuin-A, sclerostin, and VC scores (Adragao method). Prevalence of VC was similar in both groups, but HD patients had more frequent VC scores ≥ 6. Pre-HD patients were older, with higher prevalence of hypertension and less frequent use of calcium phosphate binders. Both groups showed similar patterns of hyperphosphatemia, low vitamin D, and iPTH. Fetuin-A and sclerostin levels were higher in pre-HD, while FGF 23 was elevated in HD patients. Higher VC risk in pre-HD patients was associated with male gender, older age, lower fetuin-A and higher sclerostin, lower ferritin, and no vitamin D treatment, while in HD patients with higher sclerostin, FGF 23 and urea, and lower iPTH. Conclusion: Biomarkers could be measurable indicators of biological processes underlying VC in CKD patients that may serve as a potential guide for considering personalized therapeutic approaches. Further studies are needed to elucidate the underlying pathways.
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Affiliation(s)
- Marko Petrović
- Department of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia; (M.P.); (M.B.)
| | - Voin Brković
- Department of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia; (M.P.); (M.B.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia (L.Đ.)
| | - Marko Baralić
- Department of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia; (M.P.); (M.B.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia (L.Đ.)
| | - Ivko Marić
- Special Hospital for Internal Diseases, 11550 Lazarevac, Serbia
| | - Nenad Petković
- Fresenius Medical Care Dialysis Center, 76230 Šamac, Bosnia and Herzegovina
| | - Sanja Stanković
- Centre for Medical Biochemistry, University Clinical Centre of Serbia, 11000 Belgrade, Serbia;
- Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Nataša Lalić
- Uromedica Polyclinic Belgrade, 11000 Belgrade, Serbia
| | | | - Ljubica Đukanović
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia (L.Đ.)
| | - Višnja Ležaić
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia (L.Đ.)
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Ito T, Akamatsu K. Echocardiographic manifestations in end-stage renal disease. Heart Fail Rev 2024; 29:465-478. [PMID: 38071738 DOI: 10.1007/s10741-023-10376-5] [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] [Accepted: 11/28/2023] [Indexed: 03/16/2024]
Abstract
End-stage renal disease (ESRD) is a common but profound clinical condition, and it is associated with extremely increased morbidity and mortality. ESRD can represent four major echocardiographic findings-myocardial hypertrophy, heart failure, valvular calcification, and pericardial effusion. Multiple factors interplay leading to these abnormalities, including pressure/volume overload, oxidative stress, and neurohormonal imbalances. Uremic cardiomyopathy is characterized by left ventricular (LV) hypertrophy and marked diastolic dysfunction. In ESRD patients on hemodialysis, LV geometry is changeable bidirectionally between concentric and eccentric hypertrophy, depending upon changes in corporal fluid volume and arterial pressure, which eventually results in a characteristic of LV systolic dysfunction. Speckle tracking echocardiography enabling to detect subclinical disease might help prevent future advancement to heart failure. Heart valve calcification also is common in ESRD, keeping in mind which progresses faster than expected. In a modern era, pericardial effusion observed in ESRD patients tends to result from volume overload, rather than pericarditis. In this review, we introduce and discuss those four echocardiography-assessed findings of ESRD, with which known and conceivable pathophysiologies for each are incorporated.
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Affiliation(s)
- Takahide Ito
- Department of Cardiology, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-Machi, Takatsuki, Osaka, 569-8686, Japan.
| | - Kanako Akamatsu
- Department of Cardiology, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-Machi, Takatsuki, Osaka, 569-8686, Japan
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Tsai S, Li Y, Wu X. Serum magnesium level and cardiac valve calcification in hemodialysis patients. BMC Cardiovasc Disord 2023; 23:610. [PMID: 38093238 PMCID: PMC10717005 DOI: 10.1186/s12872-023-03662-5] [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: 03/15/2023] [Accepted: 12/06/2023] [Indexed: 12/17/2023] Open
Abstract
INTRODUCTION Cardiac valve calcification is closely related to cardiovascular disease. The aim of this study was to investigate the magnesium level and cardiac valve calcification in hemodialysis patients. METHODS A cross-sectional study was conducted in 105 maintenance hemodialysis patients with complete follow-up data from June 2020 to May 2021 in Beijing Tsinghua Changgung Hospital, Tsinghua University. Baseline data, including sex, age, primary disease, liver and kidney function, electrolytes and parathyroid hormone, were recorded. According to their echocardiograms, patients were divided into a cardiac valve calcification group and a noncardiac valve calcification group, and the correlations between valve calcification and clinical data were analyzed. RESULTS Of 105 patients under hemodialysis, 60 (56.6%) were male, with an average age of 62.1 ± 13.5 years and a mean dialysis duration of 58.8 ± 45.4 months. The majority of primary renal diseases were diabetic nephropathy (55, 51.9%). Approximately 64.8% of the 105 maintenance hemodialysis patients had cardiac valve calcification, and 35.2% were in the noncardiac valve calcification group. The independent t test and the chi-square test analysis showed that the cardiac valve calcification group had older age, higher smoking rate, diabetes mellitus, lower extremity arterial occlusion, coronary heart disease, and coronary artery calcification ratio but lower parathyroid hormone, serum calcium, serum magnesium, albumin, prealbumin, and high-density lipoprotein cholesterol levels (P < 0.05). Logistic regression analysis showed that age, diabetes mellitus, coronary artery calcification, lower serum magnesium, lower serum calcium, and lower parathyroid hormone levels were associated with valve calcification. CONCLUSION The presence of cardiac valve calcification was associated with age, calcium, phosphorus and lower magnesium level. These factors we should pay more attention in clinical practice.
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Affiliation(s)
- Shihming Tsai
- Department of Nephrology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, 168 Litang Road, Changping District, Beijing, 102218, China
| | - Yuehong Li
- Department of Nephrology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, 168 Litang Road, Changping District, Beijing, 102218, China.
| | - Xianglan Wu
- Department of Nephrology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, 168 Litang Road, Changping District, Beijing, 102218, China
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Hu TL, Chen J, Shao SQ, Li LL, Lai C, Gao WN, Xu RF, Meng Y. Biomechanical and histomorphological analysis of the mandible in rats with chronic kidney disease. Sci Rep 2023; 13:21886. [PMID: 38081976 PMCID: PMC10713524 DOI: 10.1038/s41598-023-49152-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 12/05/2023] [Indexed: 12/18/2023] Open
Abstract
The present study aimed to investigate the biomechanical and histomorphological features of mandibles in an adenine-induced chronic kidney disease-mineral and bone disorder (CKD-MBD) rat model of CKD. A total of 14 Sprague-Dawley rats were randomized into the following two groups: control group and CKD group. At the end of the sixth week, all rats were euthanized, and serum was collected for biochemical marker tests. Macroscopic bone growth and biomechanical parameters were measured in the right hemimandible, while the left hemimandible was used for bone histomorphometric analysis. Compared to the control group, the CKD group showed a significant increase in serum creatinine, blood urea nitrogen, and serum parathyroid hormone at the end of the sixth week. The biomechanical structural properties significantly decreased in the CKD group compared to the control group. Bone histomorphometric analysis indicated that the trabecular bone volume of rats in the CKD group was significantly lower than that of the control group. In the CKD groups, the bone formation parameters of the trabecular bone were significantly increased, while the bone mineralization apposition rates of both the trabecular bone and periosteal cortical bone were significantly increased. The rat CKD model showed deteriorated structural mechanics, low trabecular bone volume, high trabecular bone formation, increased trabecular bone mineralization apposition rate, and increased cortical bone mineralization apposition rate, which met the characteristics of osteitis fibrosa, indicating that this model is a useful tool for the study of mandible diseases in CKD patients.
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Affiliation(s)
- Ta-la Hu
- Department of Nephrology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China
| | - Jun Chen
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Shen-Quan Shao
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Le-le Li
- Department of Nephrology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China
| | - Can Lai
- Graduate School, Inner Mongolia Medical University, Hohhot, 010110, Inner Mongolia, China
| | - Wu-Niri Gao
- Department of Nephrology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China
| | - Rui-Feng Xu
- Department of Nephrology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China
| | - Yan Meng
- Department of Nephrology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China.
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Huang C, Duan Z, Xu C, Chen Y. Influence of sodium thiosulfate on coronary artery calcification of patients on dialysis: a meta-analysis. Ren Fail 2023; 45:2254569. [PMID: 37755153 PMCID: PMC10538455 DOI: 10.1080/0886022x.2023.2254569] [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: 05/18/2023] [Accepted: 08/29/2023] [Indexed: 09/28/2023] Open
Abstract
Coronary artery calcification (CAC) is common in dialysis patients and is associated with a higher risk of future cardiovascular events. Sodium thiosulfate (STS) is effective for calciphylaxis in dialysis patients; however, the influence of STS on CAC in dialysis patients remains unclear. This systematic review and meta-analysis were conducted to evaluate the effects of STS on CAC in patients undergoing dialysis. PubMed, Embase, Cochrane Library, CNKI, and Wanfang databases were searched from inception to 22 March 2023 for controlled studies comparing the influence of STS versus usual care without STS on CAC scores in dialysis patients. A random effects model incorporating the potential influence of heterogeneity was used to pool the results. Nine studies, including two non-randomized studies and seven randomized controlled trials, were included in the meta-analysis. Among these, 365 patients on dialysis were included in the study. Compared with usual care without STS, intravenous STS for 3-6 months was associated with significantly reduced CAC scores (mean difference [MD] = -180.17, 95% confidence interval [CI]: -276.64 to -83.70, p < 0.001, I2 = 0%). Sensitivity analysis limited to studies of patients on hemodialysis showed similar results (MD: -167.33, 95% CI: -266.57 to -68.09, p = 0.001; I2 = 0%). Subgroup analyses according to study design, sample size, mean age, sex, dialysis vintage of the patients, and treatment duration of STS also showed consistent results (p for subgroup differences all > 0.05). In conclusion, intravenous STS may be effective in attenuating CAC in dialysis patients.
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Affiliation(s)
- Chong Huang
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhibing Duan
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Chengyun Xu
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yan Chen
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang, China
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Zhang Y, Yang H, Yang Z, Li X, Liu Z, Bai Y, Qian G, Wu H, Li J, Guo Y, Yang S, Chen L, Yang J, Han J, Ma S, Yang J, Yu L, Shui R, Jin X, Wang H, Zhang F, Chen T, Li X, Zong X, Liu L, Fan J, Wang W, Zhang Y, Shi G, Wang D, Tao S. Could long-term dialysis vintage and abnormal calcium, phosphorus and iPTH control accelerate aging among the maintenance hemodialysis population? Ren Fail 2023; 45:2250457. [PMID: 37724516 PMCID: PMC10512754 DOI: 10.1080/0886022x.2023.2250457] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/16/2023] [Indexed: 09/21/2023] Open
Abstract
OBJECTIVE Aging is a complex process of physiological dysregulation of the body system and is common in hemodialysis patients. However, limited studies have investigated the links between dialysis vintage, calcium, phosphorus, and iPTH control and aging. The purpose of the current study was to examine these associations. METHODS During 2020, a cross-sectional study was conducted in 3025 hemodialysis patients from 27 centers in Anhui Province, China. Biological age was calculated by a formula using chronological age and clinical indicators. The absence of the target range for serum phosphorus (0.87-1.45 mmol/L), corrected calcium (2.1-2.5 mmol/L) and iPTH (130-585 pg/mL) were identified as abnormal calcium, phosphorus, and iPTH control. RESULTS A total of 1131 hemodialysis patients were included, 59.2% of whom were males (669/1131). The mean (standard deviation) of actual age and biological age were 56.07 (12.79) years and 66.94 (25.88), respectively. The median of dialysis vintage was 4.3 years. After adjusting for the confounders, linear regression models showed patients with abnormal calcium, phosphorus, and iPTH control and on hemodialysis for less than 4.3 years (B = 0.211, p = .002) or on hemodialysis for 4.3 years or more (B = 0.302, p < .001), patients with normal calcium, phosphorus, and iPTH control and on hemodialysis for 4.3 years or more (B = 0.087, p = .013) had a higher biological age. CONCLUSION Our findings support the hypothesis that long-term hemodialysis and abnormal calcium, phosphorus, and iPTH control may accelerate aging in the hemodialysis population. Further studies are warrant to verify the significance of maintaining normal calcium-phosphorus metabolism in aging.
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Affiliation(s)
- Yingxin Zhang
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Huan Yang
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhengling Yang
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xiuyong Li
- Blood Purification Center, NO.2 People’s Hospital of Fuyang City, Fuyang, China
| | - Zhi Liu
- Department of Nephrology, The First Affiliated Hospital of Anhui University of Science & Technology, Hefei, Anhui, China
| | - Youwei Bai
- Department of Nephrology, The Second People’s Hospital of Lu’an City, Lu’an, China
| | - Guangrong Qian
- Department of Nephrology, Maanshan People’s Hospital, Maanshan, Anhui, China
| | - Han Wu
- Blood Purification Center, Bozhou People’s Hospital, Bozhou, Anhui, China
| | - Ji Li
- Department of Nephrology, Tongling People’s Hospital, Tongling, China
| | - Yuwen Guo
- Department of Nephrology, Lujiang County People’s Hospital, Lucheng, China
| | - Shanfei Yang
- Department of Nephrology, Shouxian County Hospital, Suzhou, China
| | - Lei Chen
- Department of Nephrology, Hefei Jinnan Kidney Hospital, Hefei, China
| | - Jian Yang
- Department of Nephrology, Funan County People’s Hospital, Funan County, China
| | - Jiuhuai Han
- Department of Nephrology, Anqing Municipal Hospital, Anqing, China
| | - Shengyin Ma
- Department of Nephrology, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
| | - Jing Yang
- Department of Nephrology, The First People’s Hospital of Hefei, Hefei, China
| | - Linfei Yu
- Department of Nephrology, The People’s Hospital of Taihu, Taihu County, China
| | - Runzhi Shui
- Blood Purification Center, Huangshan City People’s Hospital, Fuyang, China
| | - Xiping Jin
- Department of Nephrology, Huainan Chao Yang Hospital, Huainan, China
| | - Hongyu Wang
- Department of Nephrology, Lixin County People’s Hospital, Lixin County, China
| | - Fan Zhang
- Department of Nephrology, Dongzhi County People’s Hospital, Dongzhi County, China
| | - Tianhao Chen
- Department of Nephrology, Tianchang City People’s Hospital, Tianchang, China
| | - Xinke Li
- Department of Nephrology, Xiaoxian People’s Hospital, Xiaoxian County, China
| | - Xiaoying Zong
- Department of Nephrology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Li Liu
- Department of Nephrology, The Second People’s Hospital of Hefei, Hefei, China
| | - Jihui Fan
- Department of Nephrology, Huaibei People’s Hospital, Huaibei, China
| | - Wei Wang
- Department of Nephrology, The People’s Hospital of Xuancheng City, Xuancheng, China
| | - Yong Zhang
- Department of Nephrology, Lujiang County Hospital of TCM, Lujiang, China
| | - Guangcai Shi
- Department of Nephrology, The Fifth People’s Hospital of Hefei, Hefei, China
| | - Deguang Wang
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Shuman Tao
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
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9
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Haroon S, Davenport A, Ling LH, Tai BC, Teo LLS, Schurgers L, Chen Z, Shroff R, Fischer DC, Khatri P, Low S, Tan JN, Chua HR, Teo BW, Ong CC, Subramanian S, Yeo XE, Wong WK, Lau TWL. Randomized Controlled Clinical Trial of the Effect of Treatment with Vitamin K2 on Vascular Calcification in Hemodialysis Patients (Trevasc-HDK). Kidney Int Rep 2023; 8:1741-1751. [PMID: 37705910 PMCID: PMC10496082 DOI: 10.1016/j.ekir.2023.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/03/2023] [Accepted: 06/12/2023] [Indexed: 09/15/2023] Open
Abstract
Introduction Vitamin K deficiency among patients on hemodialysis (HD) affects the function of matrix GLA protein (MGP), a potent vitamin K-dependent inhibitor of vascular calcification (VC). Methods We conducted a single-center randomized controlled trial (RCT) on maintenance HD patients to examine if vitamin K2 supplementation can reduce progression of coronary artery calcification (CAC) over an 18-month study period. Patients were randomized to vitamin K2 group receiving menaquinone-7360 μg 3 times/wk or control group. The primary outcome was CAC scores at the end of the study period. The secondary outcomes were aortic valve calcification (AVC), carotid-femoral pulse wave velocity (cfPWV), aortic augmentation index (AIx), dephosphorylated undercarboxylated MGP (dp-ucMGP) levels, major adverse cardiac events (MACE), and vascular access events. Results Of the 178 patients randomized, follow-up was completed for 138 patients. The CAC scores between the 2 groups were not statistically different at the end of 18 months (relative mean difference [RMD] 0.85, 95% CI 0.55-1.31). The secondary outcomes did not differ significantly in AVC (RMD 0.82, 95% CI 0.34-1.98), cfPWV (absolute mean difference [AMD] 0.55, 95% CI -0.50 to 1.60), and AIx (AMD 0.13, 95% CI -3.55 to 3.80). Supplementation with vitamin K2 did reduce dp-ucMGP levels (AMD -86, 95% CI -854 to -117). The composite outcome of MACE and mortality was not statistically different between the 2 groups (Hazard ratio = 0.98, 95% CI 0.50-1.94). Conclusion Our study did not demonstrate a beneficial effect of vitamin K2 in reducing progression of VC in this population at the studied dose and duration.
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Affiliation(s)
- Sabrina Haroon
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Andrew Davenport
- University College London Center for Nephrology, Royal Free Hospital, University College London, UK
| | - Lieng-Hsi Ling
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Bee-Choo Tai
- Saw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore
| | - Lynette-Li-San Teo
- Department of Diagnostic Imaging, National University Hospital, Singapore
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, The Netherlands
| | - Zhaojin Chen
- Saw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore
- Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Rukshana Shroff
- UCL Great Ormond Street Hospital for Children NHS Foundation Trust, and Institute of Child Health, London, UK
| | | | - Priyanka Khatri
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Sanmay Low
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Jia-Neng Tan
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Horng-Ruey Chua
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Boon-Wee Teo
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Ching-Ching Ong
- Department of Diagnostic Imaging, National University Hospital, Singapore
| | - Srinivas Subramanian
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Xi-Er Yeo
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Weng-Kin Wong
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Titus-Wai-Leong Lau
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
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Association between Serum Soluble Urokinase-Type Plasminogen Activator Receptor Level and Arterial Stiffness in Chronic Hemodialysis Patients. J Pers Med 2023; 13:jpm13030470. [PMID: 36983652 PMCID: PMC10051056 DOI: 10.3390/jpm13030470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Cardiovascular diseases (CVDs) remain a significant cause of death in hemodialysis (HD) patients. To explore their associations, we examine the role of soluble urokinase-type plasminogen activator receptor (suPAR) in arterial stiffness in chronic HD patients. From June to August 2020, we recruited 135 chronic HD patients. The arterial stiffness group included patients with a carotid–femoral pulse-wave velocity (cfPWV) of >10 m/s. Fifty-five HD patients (40.7%) were in the arterial stiffness group. They had a higher prevalence of diabetes (p = 0.001) and hypertension (p = 0.039), were older (p = 0.007) and had higher aortic systolic blood pressure (p = 0.034), brachial systolic blood pressure (p = 0.025), glucose (p = 0.019), C-reactive protein (p = 0.039), and AIx75 (p = 0.003) and suPAR (p < 0.001) levels than the control group. After we performed multivariable logistic regression analysis, except age and glucose, serum suPAR (odds ratio [OR]: 2.05; 95% confidence interval [CI]: 1.48–2.70, p < 0.001) was independently associated with arterial stiffness in chronic HD patients. In the multivariable linear regression analysis, suPAR positively correlated with cfPWV (β = 0.475, p < 0.001) and could serve as a biomarker for arterial stiffness development in patients undergoing HD.
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11
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Wen W, Portales-Castillo I, Seethapathy R, Krinsky S, Kroshinsky D, Kalim S, Goverman J, Nazarian RM, Chitalia V, Malhotra R, Kramann R, Malhotra CK, Nigwekar SU. Intravenous sodium thiosulphate for vascular calcification of hemodialysis patients-a systematic review and meta-analysis. Nephrol Dial Transplant 2023; 38:733-745. [PMID: 35521751 PMCID: PMC10111152 DOI: 10.1093/ndt/gfac171] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Vascular calcification (VC) is a common comorbidity among patients with chronic kidney disease (CKD), indicating major cardiovascular events. This study aimed to evaluate the effects and safety of intravenous sodium thiosulphate (STS) for VC in CKD patients. METHODS Electronic databases were searched for clinical trials that provided data comparing outcomes among patients treated with and without STS. The PRISMA guidelines were followed. Efficacy was assessed using calcification scores and arterial stiffness. Safety was examined by analyzing adverse symptoms, electrolytes and bone mineral density (BMD). Random-effects models were performed. Meta-regression and sensitivity analysis were done. The risk of bias was assessed using the Cochrane tools. RESULTS Among the 5601 publications, 6 studies involving 305 participants (mean age: 56 years, male: 56.6%) with all participants on maintenance hemodialysis met eligibility criteria. For efficacy, the progression in Agatston scores in the coronary arteries [107 patients, mean difference (MD): -241.27, 95% confidence interval (95% CI): -421.50 to -61.03] and iliac arteries (55 patients, MD: -382.00, 95% CI: -751.07 to -12.93) was lower in the STS treated group compared with controls. The increase in pulse wave velocity was lower in the STS group (104 patients, MD: -1.29 m/s, 95% CI: -2.24 to -0.34 m/s). No association was found between the change in calcification scores and STS regimen. For safety, gastrointestinal symptoms (e.g. nausea) and increased anion gap acidosis were noted. No reduction in BMD by STS was observed. CONCLUSIONS Intravenous STS may attenuate the progression of VC and arterial stiffness in hemodialysis patients. Large and well-designed randomized controlled trials are warranted.
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Affiliation(s)
- Wen Wen
- Department of Nephrology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.,Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | | | | | - Scott Krinsky
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Daniela Kroshinsky
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA
| | - Sahir Kalim
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Jeremy Goverman
- Sumner Redstone Burn Center, Massachusetts General Hospital, Boston, MA, USA
| | | | - Vipul Chitalia
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA, USA
| | - Rajeev Malhotra
- Cardiovascular Research Center and the Cardiology Division of the Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Rafael Kramann
- Division of Nephrology and Clinical Immunology, Medical Faculty RWTH Aachen University, Aachen, Germany.,Institute of Experimental Medicine and Systems Biology, Medical Faculty RWTH Aachen University, Aachen, Germany.,Department of Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Cindy K Malhotra
- Department of Pharmacy, Massachusetts General Hospital, Boston, MA, USA
| | - Sagar U Nigwekar
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
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12
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The context-dependent role of transforming growth factor-β/miR-378a-3p/connective tissue growth factor in vascular calcification: a translational study. Aging (Albany NY) 2023; 15:830-845. [PMID: 36787443 PMCID: PMC9970315 DOI: 10.18632/aging.204518] [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: 10/14/2022] [Accepted: 02/06/2023] [Indexed: 02/16/2023]
Abstract
BACKGROUND Vascular calcification (VC) constitutes an important vascular pathology with prognostic importance. The pathogenic role of transforming growth factor-β (TGF-β) in VC remains unclear, with heterogeneous findings that we aimed to evaluate using experimental models and clinical specimens. METHODS Two approaches, exogenous administration and endogenous expression upon osteogenic media (OM) exposure, were adopted. Aortic smooth muscle cells (ASMCs) were subjected to TGF-β1 alone, OM alone, or both, with calcification severity determined. We evaluated miR-378a-3p and TGF-β1 effectors (connective tissue growth factor; CTGF) at different periods of calcification. Results were validated in an ex vivo model and further in sera from older adults without or with severe aortic arch calcification. RESULTS TGF-β1 treatment induced a significant dose-responsive increase in ASMC calcification without or with OM at the mature but not early or mid-term VC period. On the other hand, OM alone induced VC accompanied by suppressed TGF-β1 expressions over time; this phenomenon paralleled the declining miR-378a-3p and CTGF expressions since early VC. TGF-β1 treatment led to an upregulation of CTGF since early VC but not miR-378a-3p until mid-term VC, while miR-378a-3p overexpression suppressed CTGF expressions without altering TGF-β1 levels. The OM-induced down-regulation of TGF-β1 and CTGF was also observed in the ex vivo models, with compatible results identified from human sera. CONCLUSIONS We showed that TGF-β1 played a context-dependent role in VC, involving a time-dependent self-regulatory loop of TGF-β1/miR-378a-3p/CTGF signaling. Our findings may assist subsequent studies in devising potential therapeutics against VC.
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13
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Ma K, Zheng ZR, Meng Y. Pathogenesis of Chronic Kidney Disease Is Closely Bound up with Alzheimer's Disease, Especially via the Renin-Angiotensin System. J Clin Med 2023; 12:jcm12041459. [PMID: 36835994 PMCID: PMC9966558 DOI: 10.3390/jcm12041459] [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: 12/12/2022] [Revised: 02/01/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023] Open
Abstract
Chronic kidney disease (CKD) is a clinical syndrome secondary to the definitive change in function and structure of the kidney, which is characterized by its irreversibility and slow and progressive evolution. Alzheimer's disease (AD) is characterized by the extracellular accumulation of misfolded β-amyloid (Aβ) proteins into senile plaques and the formation of neurofibrillary tangles (NFTs) containing hyperphosphorylated tau. In the aging population, CKD and AD are growing problems. CKD patients are prone to cognitive decline and AD. However, the connection between CKD and AD is still unclear. In this review, we take the lead in showing that the development of the pathophysiology of CKD may also cause or exacerbate AD, especially the renin-angiotensin system (RAS). In vivo studies had already shown that the increased expression of angiotensin-converting enzyme (ACE) produces a positive effect in aggravating AD, but ACE inhibitors (ACEIs) have protective effects against AD. Among the possible association of risk factors in CKD and AD, we mainly discuss the RAS in the systemic circulation and the brain.
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Affiliation(s)
- Ke Ma
- The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
| | - Zi-Run Zheng
- The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
| | - Yu Meng
- The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
- Central Laboratory, The Fifth Affiliated Hospital of Jinan University, Heyuan 517000, China
- Institute of Nephrology, Jinan University, Guangzhou 510000, China
- Correspondence:
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14
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Tan R, Ou S, Kang T, Wu W, Xiong L, Zhu T, Zhang L. Altered serum metabolome associated with vascular calcification developed from CKD and the critical pathways. Front Cardiovasc Med 2023; 10:1114528. [PMID: 37113701 PMCID: PMC10126378 DOI: 10.3389/fcvm.2023.1114528] [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: 12/02/2022] [Accepted: 03/14/2023] [Indexed: 04/29/2023] Open
Abstract
Introduction Vascular calcification (VC) is more likely to be detected in the chronic kidney disease (CKD) population. The mechanism of VC development from CKD is different from that for simple VC and has always been a major research area. The aim of this study was to detect alterations in the metabolome during development of VC in CKD and to identify the critical metabolic pathways and metabolites involved in its pathogenesis. Methods Rats in the model group were given an adenine gavage combined with a high-phosphorus diet to imitate VC in CKD. The aorta calcium content was measured and used to divide the model group into a VC group and non-vascular calcification group (non-VC group). The control group was fed a normal rat diet and given a saline gavage. Ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-MS) was used to determine the altered serum metabolome in the control, VC, and non-VC groups. The identified metabolites were mapped into the Kyoto Encyclopedia of Genes and Genomes (KEGG) database (https://www.genome.jp/kegg/) for pathway and network analyses. Result There were 14 metabolites that changed significantly in the VC group, with three metabolic pathways playing critical roles in the pathogenesis of VC in CKD: steroid hormone biosynthesis; valine, leucine and isoleucine biosynthesis; and pantothenate and CoA biosynthesis. Conclusion Our results indicated changes in the expression of steroid sulfatase and estrogen sulfotransferase, and down-regulation of the in situ synthesis of estrogens in the VC group. In conclusion, the serum metabolome alters significantly during the pathogenesis of VC in CKD. The key pathways, metabolites, and enzymes we identified are worth further study and may become a promising therapeutic target for the treatment of VC in CKD.
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Affiliation(s)
- Ruyu Tan
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Department of Nephrology, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Santao Ou
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Sichuan Clinical Research Center for Nephropathy, China
- Correspondence: Santao Ou
| | - Ting Kang
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Weihua Wu
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Sichuan Clinical Research Center for Nephropathy, China
| | - Lin Xiong
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Tingting Zhu
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Liling Zhang
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
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15
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Role of Collagen in Vascular Calcification. J Cardiovasc Pharmacol 2022; 80:769-778. [PMID: 35998017 DOI: 10.1097/fjc.0000000000001359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 08/03/2022] [Indexed: 12/13/2022]
Abstract
ABSTRACT Vascular calcification is a pathological process characterized by ectopic calcification of the vascular wall. Medial calcifications are most often associated with kidney disease, diabetes, hypertension, and advanced age. Intimal calcifications are associated with atherosclerosis. Collagen can regulate mineralization by binding to apatite minerals and promoting their deposition, binding to collagen receptors to initiate signal transduction, and inducing cell transdifferentiation. In the process of vascular calcification, type I collagen is not only the scaffold for mineral deposition but also a signal entity, guiding the distribution, aggregation, and nucleation of vesicles and promoting the transformation of vascular smooth muscle cells into osteochondral-like cells. In recent years, collagen has been shown to affect vascular calcification through collagen disc-domain receptors, matrix vesicles, and transdifferentiation of vascular smooth muscle cells.
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16
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Uhlinova J, Kuudeberg A, Metsküla K, Lember M, Rosenberg M. Significant associations between bone mineral density and vascular calcification in patients with different stages of chronic kidney disease. BMC Nephrol 2022; 23:327. [PMID: 36199013 PMCID: PMC9533531 DOI: 10.1186/s12882-022-02955-9] [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: 06/04/2022] [Accepted: 09/21/2022] [Indexed: 11/24/2022] Open
Abstract
Introduction Chronic kidney disease—mineral and bone disorders (CKD-MBD) is characterised by generalised vascular calcification (VC) and impaired bone health. We aimed to investigate the relationship between VC and bone mineral density (BMD) in CKD patients. Methods We performed a cross-sectional study of patients with different stages of CKD. For assessment of VC of abdominal aorta lateral lumbar X-rays (Kauppila score), the ankle-brachial index (ABI) and echocardiography were used. Total body densitometry provided BMD. Results Ninety patients (41% male, median age 64 years (range 29–87)) were included, of whom 41.1% had a Kauppila score > 1. Evidence of peripheral VC as measured by ABI was detected in 23.3% of cases. Lesions of the heart valves were found in 46.7% of patients. There was a significant association between high ABI and lesions of the heart valves. In the multivariate regression model to analyse the independent determinants of abdominal aorta calcification (AAC) and ABI, the BMD of the femoral neck was identified as significant for both (p = 0.001, p = 0.001). The total spine BMD was found to be significant for AAC (p = 0.001), and the BMD of spine L1-L4 and the ribs were found to be significant for ABI (p = 0.01, p = 0.002 respectively). In factorial regression analysis, where BMD was independent determinant, valvular calcification was significant for BMD of femur, femoral neck and total BMD. Age and tALP were inversely correlated with the BMD of femur and femoral neck. Conclusions Our work highlighted clinically important relationships between VC and bone mineral density (BMD) in CKD patients. We detected inverse relationships between AAC, high ABI and BMD. Secondly, BMD at certain bone sites (femur, femoral neck) and total BMD were associated with important lesions of heart valves. Thirdly, a significant association between a high ABI and lesions of the heart valves. We believe that the results of our study will help in the planning of future research and in current clinical practice for the early diagnosis, further monitoring and management of CKD-MBD. Additionally, these results may have treatment implications on use of different CKD-MBD medications.
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Affiliation(s)
- Jana Uhlinova
- Department of Internal Medicine, Institute of Clinical Medicine, University of Tartu, Puusepa str. 8, 50406, Tartu, Estonia. .,Department of Internal Medicine, Tartu University Hospital, Tartu, Estonia.
| | - Anne Kuudeberg
- Department of Anatomy, Institute of Pathological Anatomy and Forensic Medicine, University of Tartu, Tartu, Estonia
| | - Kaja Metsküla
- Department of Immunology, Institute of Biomedicine and Translation Medicine, University of Tartu, Tartu, Estonia
| | - Margus Lember
- Department of Internal Medicine, Institute of Clinical Medicine, University of Tartu, Puusepa str. 8, 50406, Tartu, Estonia.,Department of Internal Medicine, Tartu University Hospital, Tartu, Estonia
| | - Mai Rosenberg
- Department of Internal Medicine, Institute of Clinical Medicine, University of Tartu, Puusepa str. 8, 50406, Tartu, Estonia.,Department of Internal Medicine, Tartu University Hospital, Tartu, Estonia
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17
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Exogenous BMP7 administration attenuated vascular calcification and improved bone disorders in chronic uremic rats. Biochem Biophys Res Commun 2022; 621:8-13. [DOI: 10.1016/j.bbrc.2022.06.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/13/2022] [Accepted: 06/30/2022] [Indexed: 11/18/2022]
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18
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Irisin protects against vascular calcification by activating autophagy and inhibiting NLRP3-mediated vascular smooth muscle cell pyroptosis in chronic kidney disease. Cell Death Dis 2022; 13:283. [PMID: 35354793 PMCID: PMC8967887 DOI: 10.1038/s41419-022-04735-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 02/24/2022] [Accepted: 03/15/2022] [Indexed: 01/18/2023]
Abstract
Irisin protects the cardiovascular system against vascular diseases. However, its role in chronic kidney disease (CKD) -associated vascular calcification (VC) and the underlying mechanisms remain unclear. In the present study, we investigated the potential link among Irisin, pyroptosis, and VC under CKD conditions. During mouse vascular smooth muscle cell (VSMC) calcification induced by β-glycerophosphate (β-GP), the pyroptosis level was increased, as evidenced by the upregulated expression of pyroptosis-related proteins (cleaved CASP1, GSDMD-N, and IL1B) and pyroptotic cell death (increased numbers of PI-positive cells and LDH release). Reducing the pyroptosis levels by a CASP1 inhibitor remarkably decreased calcium deposition in β-GP-treated VSMCs. Further experiments revealed that the pyroptosis pathway was activated by excessive reactive oxygen species (ROS) production and subsequent NLR family pyrin domain containing 3 (NLRP3) inflammasome activation in calcified VSMCs. Importantly, Irisin effectively inhibited β-GP-induced calcium deposition in VSMCs in vitro and in mice aortic rings ex vivo. Overexpression of Nlrp3 attenuated the suppressive effect of Irisin on VSMC calcification. In addition, Irisin could induce autophagy and restore autophagic flux in calcified VSMCs. Adding the autophagy inhibitor 3-methyladenine or chloroquine attenuated the inhibitory effect of Irisin on β-GP-induced ROS production, NLRP3 inflammasome activation, pyroptosis, and calcification in VSMCs. Finally, our in vivo study showed that Irisin treatment promoted autophagy, downregulated ROS level and thereby suppressed pyroptosis and medial calcification in aortic tissues of adenine-induced CKD mice. Together, our findings for the first time demonstrated that Irisin protected against VC via inducing autophagy and inhibiting VSMC pyroptosis in CKD, and Irisin might serve as an effective therapeutic agent for CKD-associated VC.
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Cardiac Calcifications: Phenotypes, Mechanisms, Clinical and Prognostic Implications. BIOLOGY 2022; 11:biology11030414. [PMID: 35336788 PMCID: PMC8945469 DOI: 10.3390/biology11030414] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/21/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
There is a growing interest in arterial and heart valve calcifications, as these contribute to cardiovascular outcome, and are leading predictors of cardiovascular and kidney diseases. Cardiovascular calcifications are often considered as one disease, but, in effect, they represent multifaced disorders, occurring in different milieus and biological phenotypes, following different pathways. Herein, we explore each different molecular process, its relative link with the specific clinical condition, and the current therapeutic approaches to counteract calcifications. Thus, first, we explore the peculiarities between vascular and valvular calcium deposition, as this occurs in different tissues, responds differently to shear stress, has specific etiology and time courses to calcification. Then, we differentiate the mechanisms and pathways leading to hyperphosphatemic calcification, typical of the media layer of the vessel and mainly related to chronic kidney diseases, to those of inflammation, typical of the intima vascular calcification, which predominantly occur in atherosclerotic vascular diseases. Finally, we examine calcifications secondary to rheumatic valve disease or other bacterial lesions and those occurring in autoimmune diseases. The underlying clinical conditions of each of the biological calcification phenotypes and the specific opportunities of therapeutic intervention are also considered and discussed.
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20
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Jin D, Lin L, Xie Y, Jia M, Qiu H, Xun K. NRF2-suppressed vascular calcification by regulating the antioxidant pathway in chronic kidney disease. FASEB J 2021; 36:e22098. [PMID: 34918390 DOI: 10.1096/fj.202100625rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 11/15/2021] [Accepted: 11/29/2021] [Indexed: 12/18/2022]
Abstract
Vascular calcification (VC), in which vascular smooth muscle cells (VSMCs) undergo differentiation and osteogenic transition, is a common complication of chronic kidney disease (CKD). Recent findings show that nuclear factor-erythroid-2-related factor 2 (NRF2) is an evolutionarily conserved antioxidant and beneficial in preventing vascular senescence and calcification. The roles of NRF2 in the initiation and progression of VC in CKD still need further investigation. CKD-associated VC model rats exhibited significant upregulation of NRF2, NAD(P)H: quinone oxidoreductase-1 (NQO1), osteogenic markers such as alkaline phosphatase (ALP), runt-related transcription factor-2 (RUNX2) and osteopontin (OPN), and β-catenin compared to CKD rats. Immunohistochemistry further verified these results. In addition, rat aortic VSMCs were isolated and subjected to four treatments: normal control, phosphorus-induced (Pi), Pi + NRF2 activator DMF, and Pi + NRF2 inhibitor ML385. The reactive oxygen species (ROS) generation, malondialdehyde (MDA) content, and calcium deposition of the four treatments were determined. The mRNA and protein expression levels of NRF2, NQO1, and haem oxygenase 1 (HO1) and the osteogenic markers ALP, Runx1, OPN, bone morphogenetic protein 2 (BMP2), and β-catenin were quantified by RT-PCR and western blotting. VSMC apoptosis was calculated by flow cytometry. The in vitro results suggested that intracellular oxidative stress and calcification were closely associated with NRF2 activity and that the activation of NRF2 could significantly suppress osteogenic transition and apoptosis in VSMCs. Thus, this study indicated that the NRF2-related antioxidant pathway can positively respond to and protect against the initiation and progression of VC in CKD by reducing oxidative stress. This study may contribute insights facilitating the application of the NRF2 antioxidative system as a therapeutic treatment for vascular diseases such as CKD.
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Affiliation(s)
- Donghua Jin
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
| | - Lihua Lin
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
| | - Yuxian Xie
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
| | - Miao Jia
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
| | - Hong Qiu
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
| | - Kang Xun
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, China
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From the Old, the Best: Parathyroidectomy in the Management of Soft-Tissue and Vascular Calcification in Patients with Chronic Renal Disease. Case Rep Nephrol 2021; 2021:9985308. [PMID: 34796031 PMCID: PMC8595030 DOI: 10.1155/2021/9985308] [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: 03/16/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 11/17/2022] Open
Abstract
Introduction. Bone mineral disease in patients with chronic kidney disease (CKD-MBD) is a clinical syndrome involving bone, biochemical changes, and extraosseous calcification. These complications increase morbidity and mortality. Prevalence reports are rare. Case Report. This case shows a young woman on peritoneal dialysis (PD) for 10 years with severe secondary hyperparathyroidism and soft-tissue calcifications in the hands, pelvis, and right knee, as well as severe vascular calcification, managed with calcimimetics without success. We decided to perform subtotal parathyroidectomy (STPTX). Three months after surgery, she had satisfactory evolution, despite notable hungry bone disease, without bone pain or functional limitation and almost no calcifications. Discussion. The benefit of hemodialysis has been shown with better volume management and improvement of calcium/phosphate products. STPTX allowed biochemical control and calcification improvement, with an evident better quality of life for our patient. Therapeutic alternatives need to be tailored to the patient's characteristics in the calcimimetics era.
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Hayashi K, Kitamura M, Tomura H, Yamaguchi K, Kawazu T, Sawase K, Harada T, Ichikawa T, Takazono T, Funakoshi S, Mukae H, Nishino T. Hemodialysis Patient with Diffuse Liver Calcification After Septic Shock. AMERICAN JOURNAL OF CASE REPORTS 2021; 22:e933386. [PMID: 34707080 PMCID: PMC8557856 DOI: 10.12659/ajcr.933386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/30/2021] [Accepted: 09/21/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Calcification in arteries is sometimes observed in patients undergoing hemodialysis; however, ectopic calcification in other organs is uncommon. In particular, diffuse liver calcification is very rare. We report a case of rapidly developing diffuse liver calcification in a patient undergoing hemodialysis. CASE REPORT An 82-year-old woman started hemodialysis because of diabetic nephropathy, and her renal function worsened due to acute coronary syndrome. Percutaneous coronary intervention was conducted, and she was referred to our hospital. However, she subsequently contracted various infections, including a urinary tract infection and pneumonia. On day 43 of hospitalization, she developed septic shock and liver dysfunction due to catheter-induced infection. Although she did not have any medical history of liver disease, hypoperfusion of the liver resulted in liver dysfunction, and a computed tomography scan conducted 3 months later showed diffuse calcification in her liver. Despite recovering from septic shock, she ultimately died of multiple organ failure 21 months after admission to our hospital. CONCLUSIONS Diffuse liver calcification is extremely rare; however, it can be observed in patients undergoing hemodialysis who experience liver hypoperfusion. The precise mechanisms underlying this disorder remain unknown, but a critically ill status and specific characteristics of hemodialysis patients may play important roles in liver calcification.
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Affiliation(s)
- Kanako Hayashi
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
- Department of Nephrology, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mineaki Kitamura
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
- Department of Nephrology, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hideshi Tomura
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
- Department of Nephrology, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kosei Yamaguchi
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
- Department of Nephrology, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tayo Kawazu
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
| | - Kenji Sawase
- Department of Urology, Nagasaki Renal Center, Nagasaki, Japan
| | - Takashi Harada
- Department of Nephrology, Nagasaki Renal Center, Nagasaki, Japan
| | - Tatsuki Ichikawa
- Department of Gastroenterology, Nagasaki Harbor Medical Center, Nagasaki, Japan
| | - Takahiro Takazono
- Department of Respiratory Medicine, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | | | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomoya Nishino
- Department of Nephrology, Nagasaki University School of Medicine Graduate School of Biomedical Sciences, Nagasaki, Japan
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Lysitska A, Galanis N, Skandalos I, Nikolaidou C, Briza S, Fylaktou A, Lioulios G, Mitsoglou Z, Papadopoulou D, Antoniadis N, Papagianni A, Stangou M. Histology and Immunohistochemistry of Radial Arteries Are Suggestive of an Interaction between Calcification and Early Atherosclerotic Lesions in Chronic Kidney Disease. Medicina (B Aires) 2021; 57:medicina57111156. [PMID: 34833374 PMCID: PMC8619577 DOI: 10.3390/medicina57111156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/11/2021] [Accepted: 10/15/2021] [Indexed: 12/01/2022] Open
Abstract
Background and Objectives: recent studies suggest an implication of immune mechanisms in atherosclerotic disease. In this paper, the interaction between inflammation, calcification, and atherosclerosis on the vessel walls of patients with chronic kidney disease (CKD) is described and evaluated. Materials and Methods: patients with stage V CKD, either on pre-dialysis (group A) or on hemodialysis (HD) for at least 2 years (group B), in whom a radiocephalic arteriovenous fistula (RCAVF) was created, were included in the study. The control group included healthy volunteers who received radial artery surgery after an accident. The expressions of inflammatory cells, myofibroblasts, and vascular calcification regulators on the vascular wall were estimated, and, moreover, morphometric analysis was performed. Results: the expressions of CD68(+) cells, matrix carboxyglutamic acid proteins (MGPs), the receptor activator of nuclear factor-kB (RANK) and RANK ligand (RANKL), and osteoprotegerin (OPG), were significantly increased in CKD patients compared to the controls p = 0.02; p = 0.006; p = 0.01; and p = 0.006, respectively. In morphometric analysis, the I/M and L/I ratios had significant differences between CKD patients and the controls 0.3534 ± 0.20 vs. 0.1520 ± 0.865, p = 0.003, and 2.1709 ± 1.568 vs. 4.9958 ± 3.2975, p = 0.03, respectively. The independent variables correlated with the degree of vascular calcification were the intensity of CD34(+), aSMA(+) cells, and OPG, R2 = 0.76, p < 0.0001, and, with intima-media thickness (IMT), the severity of RANKL expression R2 = 0.3, p < 0.0001. Conclusion: atherosclerosis and vascular calcification in CKD seem to be strongly regulated by an immunological and inflammatory activation on the vascular wall.
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Affiliation(s)
- Aikaterini Lysitska
- Department of Nephrology, Papageorgiou General Hospital, 56429 Thessaloniki, Greece; (A.L.); (D.P.)
| | - Nikiforos Galanis
- Department of Orhtopediscs, Papanikolaou General Hospital, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece;
| | - Ioannis Skandalos
- Department of Surgery, Agios Pavlos General Hospital, 55134 Thessaloniki, Greece;
| | - Christina Nikolaidou
- Department of Pathology, Hippokration General Hospital, 54642 Thessaloniki, Greece;
| | - Sophia Briza
- Departure of Architecture, School of Engineering, University of Thessaly, 38334 Thessaly, Greece;
| | - Asimina Fylaktou
- Department of Immunology, National Peripheral Histocompatibility Center, Hippokration Hospital, 54642 Thessaloniki, Greece;
| | - George Lioulios
- Department of Nephrology, Hippokration General Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (G.L.); (Z.M.); (A.P.)
| | - Zoi Mitsoglou
- Department of Nephrology, Hippokration General Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (G.L.); (Z.M.); (A.P.)
| | - Dorothea Papadopoulou
- Department of Nephrology, Papageorgiou General Hospital, 56429 Thessaloniki, Greece; (A.L.); (D.P.)
| | - Nikolaos Antoniadis
- Division of Transplantation, Department of Surgery, Hippokration General Hospital, 54642 Thessaloniki, Greece;
| | - Aikaterini Papagianni
- Department of Nephrology, Hippokration General Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (G.L.); (Z.M.); (A.P.)
| | - Maria Stangou
- Department of Nephrology, Hippokration General Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (G.L.); (Z.M.); (A.P.)
- Correspondence: ; Tel.:+30-6944820624
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24
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Deng D, Han X, Diao Z, Liu W. Secreted Frizzled-Related Protein 5 Ameliorates Vascular Calcification in a Rat Model of Chronic Kidney Disease through the Wnt/β-Catenin Pathway. Kidney Blood Press Res 2021; 46:758-767. [PMID: 34469882 DOI: 10.1159/000517095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 05/07/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Vascular calcification (VC) is highly prevalent and a major cardiovascular risk factor in chronic kidney disease (CKD) patients. Secreted frizzled-related protein 5 (SFRP5), an inhibitor of the Wnt pathway, is an adipokine with a positive effect on metabolic and cardiovascular diseases. Our previous in vitro study showed that SFRP5 attenuates high phosphate-induced calcification in vascular smooth muscle cells by inhibiting the Wnt/β-catenin pathway. Therefore, we hypothesized that SFRP5 may protect against CKD-associated VC (CKD-VC) through the same signalling. METHODS The rat model of CKD with VC was induced by 0.75% adenine combined with 1.8% high phosphate diet, which were administered with adenovirus vectors of SFRP5. We evaluated the SFRP5 effect on VC by von Kossa staining and calcium content analysis and osteogenic markers by immunohistochemistry and Western blot. The components of Wnt/ß-catenin signalling were also evaluated. RESULTS SFRP5 local and serum levels were significantly decreased in the CKD-VC rat model compared with the control group. Adenovirus-mediated overexpression of SFRP5 significantly inhibited VC, which was due to suppression of CKD-induced expression of calcification and osteoblastic markers. Additionally, SFRP5 abrogated activation of the Wnt/β-catenin pathway that plays a major role in the pathogenesis of VC. The specificity of SFRP5 for inhibition of VC was confirmed using an empty adenovirus as a control. CONCLUSION Our results suggest that SFRP5 ameliorates VC of CKD rats by inhibiting the expression of calcification and osteoblastic markers as well as the Wnt/β-catenin pathway. Collectively, this study suggests that SFRP5 is a potential therapeutic target in CKD-VC.
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Affiliation(s)
- Dai Deng
- Department of Nephrology, Beijing Friendship Hospital, Faculty of Kidney Diseases, Capital Medical University, Beijing, China
| | - Xue Han
- Department of Nephrology, Beijing Friendship Hospital, Faculty of Kidney Diseases, Capital Medical University, Beijing, China
| | - Zongli Diao
- Department of Nephrology, Beijing Friendship Hospital, Faculty of Kidney Diseases, Capital Medical University, Beijing, China
| | - Wenhu Liu
- Department of Nephrology, Beijing Friendship Hospital, Faculty of Kidney Diseases, Capital Medical University, Beijing, China
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25
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Aortic Arch Calcification and Cardiomegaly Are Associated with Overall and Cardiovascular Mortality in Hemodialysis Patients. J Pers Med 2021; 11:jpm11070657. [PMID: 34357124 PMCID: PMC8306819 DOI: 10.3390/jpm11070657] [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: 06/07/2021] [Revised: 06/29/2021] [Accepted: 07/12/2021] [Indexed: 12/21/2022] Open
Abstract
Patients with end-stage renal disease have a higher risk of cardiovascular morbidity and mortality. In this study, we investigated the predictive ability of a combination of cardiothoracic ratio (CTR) and aortic arch calcification (AoAC) for overall and cardiovascular mortality in patients receiving hemodialysis. We also evaluated the predictive power of AoAC and CTR for clinical outcomes. A total of 365 maintenance hemodialysis patients were included, and AoAC and CTR were measured using chest radiography at enrollment. We stratified the patients into four groups according to a median AoAC score of three and CTR of 50%. Multivariable Cox proportional hazards analysis was used to identify the risk factors of mortality. The predictive performance of the model for clinical outcomes was assessed using the χ2 test. Multivariable analysis showed that, compared to the AoAC < 3 and CTR < 50% group, the AoAC ≥ 3 and CTR < 50% group (hazard ratio [HR], 4.576; p < 0.001), and AoAC ≥ 3 and CTR ≥ 50% group (HR, 5.912; p < 0.001) were significantly associated with increased overall mortality. In addition, the AoAC < 3 and CTR ≥ 50% (HR, 3.806; p = 0.017), AoAC ≥ 3 and CTR < 50% (HR, 4.993; p = 0.002), and AoAC ≥ 3 and CTR ≥ 50% (HR, 8.614; p < 0.001) groups were significantly associated with increased cardiovascular mortality. Furthermore, adding AoAC and CTR to the basic model improved the predictive ability for overall and cardiovascular mortality. The patients who had a high AoAC score and cardiomegaly had the highest overall and cardiovascular mortality among the four groups. Furthermore, adding AoAC and CTR improved the predictive ability for overall and cardiovascular mortality in the hemodialysis patients.
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26
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Chao CT, Yeh HY, Tsai YT, Chiang CK, Chen HW. A combined microRNA and target protein-based panel for predicting the probability and severity of uraemic vascular calcification: a translational study. Cardiovasc Res 2021; 117:1958-1973. [PMID: 32866261 DOI: 10.1093/cvr/cvaa255] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 07/24/2020] [Accepted: 08/25/2020] [Indexed: 12/17/2022] Open
Abstract
AIMS Vascular calcification (VC) increases the future risk of cardiovascular events in uraemic patients, but effective therapies are still unavailable. Accurate identification of those at risk of developing VC using pathogenesis-based biomarkers is of particular interest and may facilitate individualized risk stratification. We aimed to uncover microRNA (miRNA)-target protein-based biomarker panels for evaluating uraemic VC probability and severity. METHODS AND RESULTS We created a three-tiered in vitro VC model and an in vivo uraemic rat model receiving high phosphate diet to mimic uraemic VC. RNAs from the three-tiered in vitro and in vivo uraemic VC models underwent miRNA and mRNA microarray, with results screened for differentially expressed miRNAs and their target genes as biomarkers. Findings were validated in original models and additionally in an ex vivo VC model and human cells, followed by functional assays of identified miRNAs and target proteins, and tests of sera from end-stage renal disease (ESRD) and non-dialysis-dependent chronic kidney disease (CKD) patients without and with VC. Totally 122 down-regulated and 119 up-regulated miRNAs during calcification progression were identified initially; further list narrowing based on miRNA-mRNA pairing, anti-correlation, and functional enrichment left 16 and 14 differentially expressed miRNAs and mRNAs. Levels of four miRNAs (miR-10b-5p, miR-195, miR-125b-2-3p, and miR-378a-3p) were shown to decrease throughout all models tested, while one mRNA (SULF1, a potential target of miR-378a-3p) exhibited the opposite trend concurrently. Among 96 ESRD (70.8% with VC) and 59 CKD patients (61% with VC), serum miR-125b2-3p and miR-378a-3p decreased with greater VC severity, while serum SULF1 levels increased. Adding serum miR-125b-2-3p, miR-378a-3p, and SULF1 into regression models for VC substantially improved performance compared to using clinical variables alone. CONCLUSION Using a translational approach, we discovered a novel panel of biomarkers for gauging the probability/severity of uraemic VC based on miRNAs/target proteins, which improved the diagnostic accuracy.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Animals
- Biomarkers/blood
- Cells, Cultured
- Disease Models, Animal
- Female
- Gene Expression Profiling
- Gene Regulatory Networks
- Humans
- Male
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Middle Aged
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Organ Culture Techniques
- Predictive Value of Tests
- Protein Interaction Maps
- Proteome
- Proteomics
- Rats, Sprague-Dawley
- Risk Assessment
- Risk Factors
- Severity of Illness Index
- Signal Transduction
- Sulfotransferases/blood
- Transcriptome
- Translational Research, Biomedical
- Uremia/complications
- Uremia/genetics
- Uremia/metabolism
- Vascular Calcification/etiology
- Vascular Calcification/genetics
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
- Rats
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Affiliation(s)
- Chia-Ter Chao
- Division of Nephrology, Department of Medicine, National Taiwan University Hospital Bei-Hu Branch, No. 87, Neijiang Street, Wanhua District, Taipei 10845, Taiwan
- Graduate Institute of Toxicology, National Taiwan University, College of Medicine, No.1, Section 4, Ren-Ai Road, Zhongzheng District, Taipei 10051, Taiwan
- Department of Internal Medicine, National Taiwan University College of Medicine, No.1, Section 4, Ren-Ai Road, Zhongzheng District, Taipei 10051, Taiwan
| | - Hsiang-Yuan Yeh
- School of Big Data Management, Soochow University, No.70, Linxi Road, Shilin District, Taipei 11102, Taiwan
| | - You-Tien Tsai
- Division of Nephrology, Department of Medicine, National Taiwan University Hospital Bei-Hu Branch, No. 87, Neijiang Street, Wanhua District, Taipei 10845, Taiwan
| | - Chih-Kang Chiang
- Graduate Institute of Toxicology, National Taiwan University, College of Medicine, No.1, Section 4, Ren-Ai Road, Zhongzheng District, Taipei 10051, Taiwan
- Department of Integrative Diagnostics and Therapeutics, National Taiwan University Hospital, No. 7, Zhongshan South Road, Zhongzheng District, Taipei 10002, Taiwan
| | - Huei-Wen Chen
- Graduate Institute of Toxicology, National Taiwan University, College of Medicine, No.1, Section 4, Ren-Ai Road, Zhongzheng District, Taipei 10051, Taiwan
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27
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Kimura T, Inaka K. Arterial medial calcification (Mönckeberg's sclerosis) with chronic renal disease in a zoo-kept Southern tamandua ( Tamandua tetradactyla). Int J Vet Sci Med 2021; 9:1-6. [PMID: 33869623 PMCID: PMC8008936 DOI: 10.1080/23144599.2021.1899408] [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] [Indexed: 12/02/2022] Open
Abstract
Arterial medial calcification observed in animals is equivalent to Mönckeberg’s sclerosis in human beings. This lesion is rarely reported in domestic animals. In addition, little information is available concerning the occurrence of arterial medial calcification in zoo animals. The aim of the current work was to report arterial medial calcification incidentally encountered in a Southern tamandua (Tamandua tetradactyla). This paper described the clinical findings, haematological and serum biochemical profiles, and histopathological results. Haematological examinations showed decreases in white blood cell counts, erythrocytic parameters and platelets. In serum biochemical examinations, both of the creatinine and blood urea nitrogen levels markedly increased in this study. Glucose concentrations dramatically declined from the normal levels to the critical conditions. There was electrolytic imbalance which was not accompanied by increases in calcium and inorganic phosphorus concentrations. Enzyme activities (ALP, AST, ALP, γ-GT, LDH and CK) remarkably increased just before the animal died. Histopathological examinations revealed that this marked and thickened calcification extended linearly around the circumference of the vessels. The calcified deposits were located entirely within the medial layer of the arterial wall. The lesions showed involvement of the internal elastic lamina with calcification. Severe calcification was observed in the glomerular capsules, indicating serious chronic kidney disease. We concluded that arterial medial calcification in the Southern tamandua arose with progressing chronic kidney failure.
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Affiliation(s)
- Tohru Kimura
- Laboratory Animal Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Kengo Inaka
- Laboratory Animal Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
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28
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Zhang YX, Tang RN, Wang LT, Liu BC. Role of crosstalk between endothelial cells and smooth muscle cells in vascular calcification in chronic kidney disease. Cell Prolif 2021; 54:e12980. [PMID: 33502070 PMCID: PMC7941222 DOI: 10.1111/cpr.12980] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/29/2020] [Accepted: 12/22/2020] [Indexed: 02/06/2023] Open
Abstract
Chronic kidney disease (CKD) is a severe health problem worldwide, and vascular calcification (VC) contributes substantially to the cardiovascular morbidity and high mortality of CKD. CKD is often accompanied by a variety of pathophysiological states, such as inflammation, oxidative stress, hyperglycaemia, hyperparathyroidism and haemodynamic derangement, that can cause injuries to smooth muscle cells (SMCs) and endothelial cells (ECs) to promote VC. Similar to SMCs, whose role has been widely explored in VC, ECs may contribute to VC via osteochondral transdifferentiation, apoptosis, etc. In addition, given their location in the innermost layer of the blood vessel lumen and preferential reception of various pro‐calcification stimuli, ECs can pass messages to vascular wall cells and communicate with them. Crosstalk between ECs and SMCs via cytokines through a paracrine mechanism, extracellular vesicles, miRNAs and myoendothelial gap junctions also plays a role in VC. In this review, we emphasize the role of intercellular crosstalk between ECs and SMCs in VC associated with CKD.
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Affiliation(s)
- Yu-Xia Zhang
- Institute of Nephrology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Institute of Nephrology, Zhongda Hospital, Nanjing Lishui People' Hospital, Nanjing, China
| | - Ri-Ning Tang
- Institute of Nephrology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Institute of Nephrology, Zhongda Hospital, Nanjing Lishui People' Hospital, Nanjing, China
| | - Li-Ting Wang
- Institute of Nephrology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Institute of Nephrology, Zhongda Hospital, Nanjing Lishui People' Hospital, Nanjing, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Institute of Nephrology, Zhongda Hospital, Nanjing Lishui People' Hospital, Nanjing, China
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29
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Jin H, Ji JJ, Zhu Y, Wang XD, Li YP, Shi QY, Chen YF. Brain-Derived Neurotrophic Factor, a New Predictor of Coronary Artery Calcification. Clin Appl Thromb Hemost 2021; 27:1076029621989813. [PMID: 33523719 PMCID: PMC7863173 DOI: 10.1177/1076029621989813] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 12/26/2020] [Accepted: 01/04/2021] [Indexed: 12/30/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) plays a functional role in vascular endothelium homeostasis and the alleviation of atherosclerosis. Matrix gla protein (MGP) and Nε-(1-carboxymethyl)-l-lysine (CML) are both confirmed to be VC predictors. This study investigated the association between BDNF, MGP, CML and coronary artery calcification (CAC). Plasma BDNF, MGP, and CML levels were measured in 274 patients who underwent computed tomography to determine the CAC score (Agatston score). It was found that patients with CAC exhibited lower BDNF and MGP and higher CML levels than those without CAC. Plasma BDNF levels in patients with diabetes or hypertension were lower compared with the control groups. In logistic regression analysis, age, hypertension, BDNF, and MGP were independent predictors of CAC. Plasma BDNF and MGP levels were both correlated with the Agatston score even after adjustment for age, total cholesterol level, triglycerides, low-density lipoprotein level, creatinine clearance rate, and the presence of hypertension and diabetes mellitus. In 167 patients with CAC, circulating BDNF level was inversely associated with CML level and positively related to MGP level. In the receiver operating characteristic analysis for CAC, the areas under the curves for BDNF, MGP, and CML were 0.757, 0.777 and 0.653, respectively. In summary, plasma BDNF levels are associated with the Agatston score, and BDNF further predicts the occurrence of CAC.
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Affiliation(s)
- Hong Jin
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People’s Republic of China
| | - Jing-jing Ji
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People’s Republic of China
| | - Yi Zhu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People’s Republic of China
| | - Xiao-dong Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, People’s Republic of China
| | - Yi-ping Li
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People’s Republic of China
| | - Qiu-yin Shi
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People’s Republic of China
| | - Yi-fei Chen
- Department of Cardiology, Xishan Hospital, Wuxi, People’s Republic of China
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30
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Sakai M, Tokunaga S, Kawai M, Murai M, Kobayashi M, Kitayama T, Saeki S, Kawata T. Evocalcet prevents ectopic calcification and parathyroid hyperplasia in rats with secondary hyperparathyroidism. PLoS One 2020; 15:e0232428. [PMID: 32343734 PMCID: PMC7188245 DOI: 10.1371/journal.pone.0232428] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/14/2020] [Indexed: 01/14/2023] Open
Abstract
Background Elevated parathyroid hormone (PTH) levels in secondary hyperparathyroidism (SHPT) lead to vascular calcification, which is associated with cardiovascular events and mortality. Increased PTH production is caused by the excessive proliferation of parathyroid gland cells, which is accelerated by abnormal mineral homeostasis. Evocalcet, an oral calcimimetic agent, inhibits the secretion of PTH from parathyroid gland cells and has been used for the management of SHPT in dialysis patients. We observed the effects of evocalcet on ectopic calcification and parathyroid hyperplasia using chronic kidney disease (CKD) rats with SHPT. Methods CKD rats with SHPT induced by adenine received evocalcet orally for 5 weeks. The calcium and inorganic phosphorus content in the aorta, heart and kidney was measured. Ectopic calcified tissues were also assessed histologically. To observe the effects on the proliferation of parathyroid gland cells, parathyroid glands were histologically assessed in CKD rats with SHPT induced by 5/6 nephrectomy (Nx) after receiving evocalcet orally for 4 weeks. Results Evocalcet prevented the increase in calcium and inorganic phosphorus content in the ectopic tissues and suppressed calcification of the aorta, heart and kidney in CKD rats with SHPT by reducing the serum PTH and calcium levels. Evocalcet suppressed the parathyroid gland cell proliferation and reduced the sizes of parathyroid cells in CKD rats with SHPT. Conclusions These findings suggest that evocalcet would prevent ectopic calcification and suppress parathyroid hyperplasia in patients with SHPT.
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Affiliation(s)
- Mariko Sakai
- Nephrology Research Laboratories, Nephrology R&D Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Shin Tokunaga
- Nephrology Research Laboratories, Nephrology R&D Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Mika Kawai
- Research Core Function Laboratories, Research Functions Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Miki Murai
- Research Core Function Laboratories, Research Functions Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Misaki Kobayashi
- Research Core Function Laboratories, Research Functions Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Tetsuya Kitayama
- Nephrology Research Laboratories, Nephrology R&D Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Satoshi Saeki
- Nephrology Research Laboratories, Nephrology R&D Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
| | - Takehisa Kawata
- Nephrology Research Laboratories, Nephrology R&D Unit, R&D Division, Kyowa Kirin Co., Ltd., Shizuoka, Japan
- * E-mail:
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