1
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Rajendran K, Krishnan UM. Biomarkers in Alzheimer's disease. Clin Chim Acta 2024; 562:119857. [PMID: 38986861 DOI: 10.1016/j.cca.2024.119857] [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: 05/13/2024] [Revised: 07/05/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
Alzheimer's disease (AD) is among the most common neurodegenerative disorders. AD is characterized by deposition of neurofibrillary tangles and amyloid plaques, leading to associated secondary pathologies, progressive neurodegeneration, and eventually death. Currently used diagnostics are largely image-based, lack accuracy and do not detect early disease, ie, prior to onset of symptoms, thus limiting treatment options and outcomes. Although biomarkers such as amyloid-β and tau protein in cerebrospinal fluid have gained much attention, these are generally limited to disease progression. Unfortunately, identification of biomarkers for early and accurate diagnosis remains a challenge. As such, body fluids such as sweat, serum, saliva, mucosa, tears, and urine are under investigation as alternative sources for biomarkers that can aid in early disease detection. This review focuses on biomarkers identified through proteomics in various biofluids and their potential for early and accurate diagnosis of AD.
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Affiliation(s)
- Kayalvizhi Rajendran
- Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur, India; School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Uma Maheswari Krishnan
- Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur, India; School of Arts, Sciences, Humanities, & Education, SASTRA Deemed University, Thanjavur, India.
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2
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Zarimeidani F, Rahmati R, Mostafavi M, Darvishi M, Khodadadi S, Mohammadi M, Shamlou F, Bakhtiyari S, Alipourfard I. Gut Microbiota and Autism Spectrum Disorder: A Neuroinflammatory Mediated Mechanism of Pathogenesis? Inflammation 2024:10.1007/s10753-024-02061-y. [PMID: 39093342 DOI: 10.1007/s10753-024-02061-y] [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: 01/31/2024] [Revised: 04/28/2024] [Accepted: 05/21/2024] [Indexed: 08/04/2024]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by impairments in social communication and behavior, frequently accompanied by restricted and repetitive patterns of interests or activities. The gut microbiota has been implicated in the etiology of ASD due to its impact on the bidirectional communication pathway known as the gut-brain axis. However, the precise involvement of the gut microbiota in the causation of ASD is unclear. This study critically examines recent evidence to rationalize a probable mechanism in which gut microbiota symbiosis can induce neuroinflammation through intermediator cytokines and metabolites. To develop ASD, loss of the integrity of the intestinal barrier, activation of microglia, and dysregulation of neurotransmitters are caused by neural inflammatory factors. It has emphasized the potential role of neuroinflammatory intermediates linked to gut microbiota alterations in individuals with ASD. Specifically, cytokines like brain-derived neurotrophic factor, calprotectin, eotaxin, and some metabolites and microRNAs have been considered etiological biomarkers. We have also overviewed how probiotic trials may be used as a therapeutic strategy in ASD to reestablish a healthy balance in the gut microbiota. Evidence indicates neuroinflammation induced by dysregulated gut microbiota in ASD, yet there is little clarity based on analysis of the circulating immune profile. It deems the repair of microbiota load would lower inflammatory chaos in the GI tract, correct neuroinflammatory mediators, and modulate the neurotransmitters to attenuate autism. The interaction between the gut and the brain, along with alterations in microbiota and neuroinflammatory biomarkers, serves as a foundational background for understanding the etiology, diagnosis, prognosis, and treatment of autism spectrum disorder.
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Affiliation(s)
- Fatemeh Zarimeidani
- Students Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Rahem Rahmati
- Students Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mehrnaz Mostafavi
- Faculty of Allied Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Darvishi
- School of Aerospace and Subaquatic Medicine, Infectious Diseases & Tropical Medicine Research Center (IDTMC), AJA University of Medical Sciences, Tehran, Iran
| | - Sanaz Khodadadi
- Student Research Committee, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mahya Mohammadi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farid Shamlou
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Salar Bakhtiyari
- Feinberg Cardiovascular and Renal Research Institute, North Western University, Chicago. Illinois, USA
| | - Iraj Alipourfard
- Institute of Physical Chemistry, Polish Academy of Sciences, Marcin Kasprzaka 44/52, 01-224, Warsaw, Poland.
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3
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He TQ, Wang Z, Li CY, Zhao YW, Tong XY, Liu JH, Ouyang JM. Sulfated Laminarin Polysaccharides Reduce the Adhesion of Nano-COM Crystals to Renal Epithelial Cells by Inhibiting Oxidative and Endoplasmic Reticulum Stress. Pharmaceuticals (Basel) 2024; 17:805. [PMID: 38931471 PMCID: PMC11206474 DOI: 10.3390/ph17060805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/19/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Purpose: Adhesion between calcium oxalate crystals and renal tubular epithelial cells is a vital cause of renal stone formation; however, the drugs that inhibit crystal adhesion and the mechanism of inhibition have yet to be explored. Methods: The cell injury model was constructed using nano-COM crystals, and changes in oxidative stress levels, endoplasmic reticulum (ER) stress levels, downstream p38 MAPK protein expression, apoptosis, adhesion protein osteopontin expression, and cell-crystal adhesion were examined in the presence of Laminarin polysaccharide (DLP) and sulfated DLP (SDLP) under protected and unprotected conditions. Results: Both DLP and SDLP inhibited nano-COM damage to human kidney proximal tubular epithelial cell (HK-2), increased cell viability, decreased ROS levels, reduced the opening of mitochondrial membrane permeability transition pore, markedly reduced ER Ca2+ ion concentration and adhesion molecule OPN expression, down-regulated the expression of ER stress signature proteins including CHOP, Caspase 12, and p38 MAPK, and decreased the apoptosis rate of cells. SDLP has a better protective effect on cells than DLP. Conclusions: SDLP protects HK-2 cells from nano-COM crystal-induced apoptosis by reducing oxidative and ER stress levels and their downstream factors, thereby reducing crystal-cell adhesion interactions and the risks of kidney stone formation.
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Affiliation(s)
- Tian-Qu He
- Department of Urology, The Affiliated Children’s Hospital of Xiangya School of Medicine, Central South University (Hunan Children’s Hospital), Changsha 410007, China
| | - Zhi Wang
- Department of Urology, The Affiliated Children’s Hospital of Xiangya School of Medicine, Central South University (Hunan Children’s Hospital), Changsha 410007, China
| | - Chuang-Ye Li
- Department of Urology, The Affiliated Children’s Hospital of Xiangya School of Medicine, Central South University (Hunan Children’s Hospital), Changsha 410007, China
| | - Yao-Wang Zhao
- Department of Urology, The Affiliated Children’s Hospital of Xiangya School of Medicine, Central South University (Hunan Children’s Hospital), Changsha 410007, China
| | - Xin-Yi Tong
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Jing-Hong Liu
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Jian-Ming Ouyang
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
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He J, Cao Y, Zhu Q, Wang X, Cheng G, Wang Q, He R, Lu H, Weng Y, Mao G, Bao Y, Wang J, Liu X, Han F, Shi P, Shen XZ. Renal macrophages monitor and remove particles from urine to prevent tubule obstruction. Immunity 2024; 57:106-123.e7. [PMID: 38159573 DOI: 10.1016/j.immuni.2023.12.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 07/17/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
When the filtrate of the glomerulus flows through the renal tubular system, various microscopic sediment particles, including mineral crystals, are generated. Dislodging these particles is critical to ensuring the free flow of filtrate, whereas failure to remove them will result in kidney stone formation and obstruction. However, the underlying mechanism for the clearance is unclear. Here, using high-resolution microscopy, we found that the juxtatubular macrophages in the renal medulla constitutively formed transepithelial protrusions and "sampled" urine contents. They efficiently sequestered and phagocytosed intraluminal sediment particles and occasionally transmigrated to the tubule lumen to escort the excretion of urine particles. Mice with decreased renal macrophage numbers were prone to developing various intratubular sediments, including kidney stones. Mechanistically, the transepithelial behaviors of medulla macrophages required integrin β1-mediated ligation to the tubular epithelium. These findings indicate that medulla macrophages sample urine content and remove intratubular particles to keep the tubular system unobstructed.
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Affiliation(s)
- Jian He
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yangyang Cao
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qian Zhu
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xinge Wang
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Guo Cheng
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qiang Wang
- Department of Laboratory Medicine, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Rukun He
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Haoran Lu
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Haining, Zhejiang, China
| | - Yuancheng Weng
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Genxiang Mao
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yizhong Bao
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing Wang
- Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoli Liu
- Department of Neurology, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fei Han
- Kidney Disease Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Peng Shi
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
| | - Xiao Z Shen
- Department of Physiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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Jawich K, Hadakie R, Jamal S, Habeeb R, Al Fahoum S, Ferlin A, De Toni L. Emerging Role of Non-collagenous Bone Proteins as Osteokines in Extraosseous Tissues. Curr Protein Pept Sci 2024; 25:215-225. [PMID: 37937553 DOI: 10.2174/0113892037268414231017074054] [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: 07/12/2023] [Revised: 09/21/2023] [Accepted: 09/28/2023] [Indexed: 11/09/2023]
Abstract
Bone is a unique tissue, composed of various types of cells embedded in a calcified extracellular matrix (ECM), whose dynamic structure consists of organic and inorganic compounds produced by bone cells. The main inorganic component is represented by hydroxyapatite, whilst the organic ECM is primarily made up of type I collagen and non-collagenous proteins. These proteins play an important role in bone homeostasis, calcium regulation, and maintenance of the hematopoietic niche. Recent advances in bone biology have highlighted the importance of specific bone proteins, named "osteokines", possessing endocrine functions and exerting effects on nonosseous tissues. Accordingly, osteokines have been found to act as growth factors, cell receptors, and adhesion molecules, thus modifying the view of bone from a static tissue fulfilling mobility to an endocrine organ itself. Since bone is involved in a paracrine and endocrine cross-talk with other tissues, a better understanding of bone secretome and the systemic roles of osteokines is expected to provide benefits in multiple topics: such as identification of novel biomarkers and the development of new therapeutic strategies. The present review discusses in detail the known osseous and extraosseous effects of these proteins and the possible respective clinical and therapeutic significance.
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Affiliation(s)
- Kenda Jawich
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syrian Arab Republic
- Department of Biochemistry, Faculty of Pharmacy, International University of Science and Technology, Darrah, Syrian Arab Republic
| | - Rana Hadakie
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syrian Arab Republic
| | - Souhaib Jamal
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syrian Arab Republic
| | - Rana Habeeb
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syrian Arab Republic
- Department of Biochemistry, Faculty of Pharmacy, International University of Science and Technology, Darrah, Syrian Arab Republic
| | - Sahar Al Fahoum
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syrian Arab Republic
| | - Alberto Ferlin
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
| | - Luca De Toni
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
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Tang Z, Xia Z, Wang X, Liu Y. The critical role of osteopontin (OPN) in fibrotic diseases. Cytokine Growth Factor Rev 2023; 74:86-99. [PMID: 37648616 DOI: 10.1016/j.cytogfr.2023.08.007] [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: 07/18/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
Fibrosis is a pathological condition characterized by the excessive deposition of extracellular matrix components in tissues and organs, leading to progressive architectural remodelling and contributing to the development of various diseases. Osteopontin (OPN), a highly phosphorylated glycoprotein, has been increasingly recognized for its involvement in the progression of tissue fibrosis. This review provides a comprehensive overview of the genetic and protein structure of OPN and focuses on our current understanding of the role of OPN in the development of fibrosis in the lungs and other tissues. Additionally, special attention is given to the potential of OPN as a biomarker and a novel therapeutic target in the treatment of fibrosis.
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Affiliation(s)
- Ziyi Tang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zijing Xia
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiangpeng Wang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100000, China
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
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7
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Gumru S, Ozgur G, Ertas B, Sen A, Eker P, Sener TE, Sener G. Ethanolic extract of cotinuscoggygria leaves attenuates crystalluria and kidney damage in ethylene glycol-induced urolithiasis in rats. North Clin Istanb 2023; 10:734-744. [PMID: 38328729 PMCID: PMC10846575 DOI: 10.14744/nci.2023.29794] [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: 01/09/2023] [Accepted: 02/05/2023] [Indexed: 02/17/2023] Open
Abstract
OBJECTIVE Nephrolithiasis is a common cause of kidney insufficiency. Nephrolithiasis is proven to be the result of various biochemical and inflammatory processes that result in crystal formation and subsequent aggregation. Cotinuscoggygria L. (CCog) is a plant extract which has been used as a Turkish remedy for kidney stones. With this study, we planned to evaluate the effects of CCog extract in ethylene glycol (EG)-induced nephrolithiasis model in rats. METHODS The study group comprised 32 Wistar albino rats which were divided into Control (C), EG, CCog Prophylaxis (CC+EG+CC), and CCog Treatment (EG+CC) groups. Stone formation was induced by adding EG (0.75%) into rat's drinking water. Normal drinking water was given to Control group for 8 weeks. Throughout the study period of 8 weeks, EG group was given only EG (0.75%) and CC+EG+CC group was given both EG and CCog. In EG+CC group, EG (0.75%) was given for 8 weeks whereas CCog was given for the past 4 weeks. After the 8th week, 24-h urine samples were collected. Rats were then sacrificed and kidney tissue samples were harvested. RESULTS Metabolites (calcium, citrate) and creatinine in 24 h urine samples were decreased in CC+EG+CC and EG+CC groups. While hyperoxaluria was observed in the EG group, oxalate levels were similar to control levels in the P-CCog and C-CCog groups. The N-acetyl-β-glucosaminidase and myeloperoxidase activities were both increased in EG group and these parameters were significantly decreased on CCog treatment. CONCLUSION We can conclude that C. coggygria extract can have beneficial effect on lowering concentration of stone-forming metabolites in urine and consequently protect renal tissues from damage due to nephrolithiasis. C. coggygria extract can be considered as a potential prophylactic and therapeutic option in high-risk stone formers. Furthermore, our data confirm ethnobotanical use of CC against nephrolithiasis.
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Affiliation(s)
- Salih Gumru
- Department of Pharmacology, Marmara University Faculty of Pharmacy, Istanbul, Turkiye
| | - Gunal Ozgur
- Department of Urology, Marmara University Faculty of Medicine, Istanbul, Turkiye
| | - Busra Ertas
- Department of Pharmacology, Marmara University Faculty of Pharmacy, Istanbul, Turkiye
| | - Ali Sen
- Department of Pharmacognosy, Marmara University Faculty of Pharmacy, Istanbul, Turkiye
| | - Pinar Eker
- Department of Biochemistry, Health Sciences University, Istanbul, Turkiye
| | - Tarik Emre Sener
- Department of Urology, Marmara University Faculty of Medicine, Istanbul, Turkiye
| | - Goksel Sener
- Department of Pharmacology, Fenerbahce University Faculty of Pharmacy, Istanbul, Turkiye
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Wang H, Liu Z, Liu S, Yang R, Wang Y, Gu Y, Wu M, Dong R, Chen B. The Therapeutic Effect of Catechin on Nephrolithiasis Induced by Co-Exposure to Melamine and Cyanuric Acid in Sprague-Dawley Rats. TOXICS 2023; 11:799. [PMID: 37755809 PMCID: PMC10536173 DOI: 10.3390/toxics11090799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/14/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
This study aimed to assess the therapeutic efficacy of catechin against experimentally induced kidney stones resulting from co-exposure to melamine (MEL) and cyanuric acid (CYA) in male Sprague-Dawley rats. To induce nephrolithiasis, a combination of MEL and CYA (1:1 ratio, each at a dose of 31.5 mg/kg bw/day) was administered to the rats for 28 consecutive days. After nephrolithiasis was successfully induced, the rats were randomly divided into two groups: a treatment group and a sham group. The treatment group was given a daily oral dose of 50 mg/kg of catechin for 28 days, while the sham group received no intervention. Urine and blood samples were collected throughout the treatment period, and kidney samples were taken on day 28. Our findings demonstrated that treatment with catechin significantly reduced crystal deposition and pathological damage in the rats from nephrolithiasis. Additionally, renal injury markers were significantly decreased in the treatment group compared to the sham group. These findings suggest that catechin has potential therapeutic benefits in treating nephrolithiasis induced by co-exposure to MEL and CYA.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Bo Chen
- Key Lab of Public Health Safety of the Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China; (H.W.); (Z.L.); (S.L.); (R.Y.); (Y.W.); (Y.G.); (M.W.); (R.D.)
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Eidi M, Ashjazadeh L. Anti-urolithiatic effect of Cucumis melo L. var inodorous in male rats with kidney stones. Urolithiasis 2023; 51:45. [PMID: 36881140 DOI: 10.1007/s00240-023-01418-6] [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: 09/28/2022] [Accepted: 02/22/2023] [Indexed: 03/08/2023]
Abstract
Melon seed extracts have high antioxidant activities and are effective against a variety of diseases, including kidney stones. In kidney stone model rats, the anti-urolithiatic effects of the hydro-ethanolic extract of melon seed and potassium citrate were studied and compared. After urolithiasis induction by ethylene glycol, the extract and potassium citrate were treated orally for 38 days concurrent with ethylene glycol. Then, urine and kidney sampling were done, and the urinary parameter levels were measured. The melon and potassium citrate treatments reduced the kidney index, the levels of urinary calcium and oxalate, calcium oxalate deposit numbers, the score of crystal deposits, histo-pathological damages, and the score of inflammation in the kidney sections, while elevating the urinary pH, magnesium, and citrate levels, and also the expression of the UMOD, spp1, and reg1 genes in the kidney of treated animals. The effect of potassium citrate is the same as the effect of melon in treated animals. So, their effects could be by normalizing urinary parameters, reducing crystal deposits, excreting small deposits from the kidney, reducing the chance of them being retained in the urinary tract, and elevating the expression of the UMOD, spp1, and reg1 genes, which are involved in kidney stone formation.
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Affiliation(s)
- Maryam Eidi
- Department of Biology, Biological Sciences College, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran.
| | - Leila Ashjazadeh
- Department of Biology, Biological Sciences College, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran
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Sugiura H, Tsunezumi J, Yanagisawa H, Futaya M, Nitta K, Tsuchiya K. Fibulin7 aggravates calcium oxalate-induced acute kidney injury by binding to calcium oxalate crystals. J Cell Physiol 2023; 238:165-178. [PMID: 36370444 DOI: 10.1002/jcp.30914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/20/2022] [Accepted: 10/27/2022] [Indexed: 11/13/2022]
Abstract
Fibulin7 (Fbln7) is a matricellular protein that is structurally similar to short fibulins but does not possess elastogenic abilities. Fbln7 is localized on the cell surface of the renal tubular epithelium in the adult kidney. We previously reported that Fbln7 binds artificial calcium phosphate particles in vitro, and that heparin counteracts this binding by releasing Fbln7 from the cell surface. Fbln7 gene (Fbln7) deletion in vivo decreased interstitial fibrosis and improved renal function in a high phosphate diet-induced chronic kidney disease mouse model. However, the contribution of Fbln7 during acute injury response remains largely unknown. We hypothesized that Fbln7 serves as an exacerbating factor in acute kidney injury (AKI). We employed three AKI models in vivo and in vitro, including unilateral ureteral obstruction (UUO), cisplatin-induced AKI, and calcium oxalate (CaOx)-induced AKI. Here, we report that Fbln7KO mice were protected from kidney damage in a CaOx-induced AKI model. Using HEK293T cells, we found that Fbln7 overexpression enhanced the CaOx-induced upregulation of EGR1 and LAMB3, and that heparin treatment canceled this effect. Interestingly, the protective function observed in Fbln7KO kidneys was limited to the CaOx-induced AKI model, while Fbln7KO mice were not protected against UUO-induced renal fibrosis or cisplatin-induced renal tubular damage. Taken together, our study indicates that Fbln7 mediates the local deposition of CaOx and damages the renal tubular epithelium. Releasing Fbln7 from the cell surface via heparin/heparin derivatives or Fbln7 inhibitory antibodies may provide a general strategy to mitigate calcium crystal-induced kidney injuries.
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Affiliation(s)
- Hidekazu Sugiura
- Department of Medicine, Kidney Center, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan.,Department of Nephrology, Division of Medicine, Saiseikai Kazo Hospital, Kazo, Saitama, Japan.,Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Jun Tsunezumi
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan.,Department of Pharmaceutical Sciences, Kyushu University of Health and Welfare, Miyazaki, Japan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan.,Department of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Mayuko Futaya
- Department of Medicine, Kidney Center, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan
| | - Kosaku Nitta
- Department of Medicine, Kidney Center, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan
| | - Ken Tsuchiya
- Department of Medicine, Kidney Center, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan.,Department of Blood Purification, Kidney Center, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan
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11
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Huang JJ, Yao XP, Zhang P, Lou ZL, Qi HG, Yang HM, Weng GB. Curcumin alleviated oxidation stress injury by mediating osteopontin in nephrolithiasis rats. Acta Cir Bras 2023; 38:e380223. [PMID: 37132752 PMCID: PMC10159013 DOI: 10.1590/acb380223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/14/2022] [Indexed: 05/04/2023] Open
Abstract
PURPOSE To explore the role and mechanism of curcumin (Cur) in reducing oxidative stress damage in rats with nephrolithiasis induced by ethylene glycol (EG). METHODS Thirty male rats were divided into normal control, model, positive (10% potassium citrate), Cur-10 (10 mg/kg curcumin) and Cur-20 (20 mg/kg curcumin) groups. RESULTS The results of kidney tissue section stained by hematoxylin-eosin and von Kossa showed that curcumin treatment can inhibit the formation of kidney stones. The biochemical test results showed that the urea (Ur), creatinine (Cr), uric acid (UA), inorganic phosphorus and Ca2+ concentrations in urine decreased after being treated with curcumin. There were significant differences between different doses of curcumin (P < 0.05). Compared with the Cur-10 group, Cur-20 had a more significant inhibitory effect on malondialdehyde (MDA) (P < 0.05). In addition, reverse transcription polymerase chain reaction (PCR) detection and immunohistochemical results indicated that the osteopontin (OPN) in the kidney was significantly reduced after curcumin treatment. CONCLUSIONS Curcumin could reduce the oxidative stress damage caused by EG-induced kidney stones.
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Affiliation(s)
- Jian-Jun Huang
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Xu-Ping Yao
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Ping Zhang
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Zhi-Ling Lou
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Hong-Gang Qi
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Hou-Meng Yang
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
| | - Guo-Bin Weng
- Ningbo University - Ningbo Urology and Nephrology Hospital - Department of Urology - Ningbo, China
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12
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Akouris PP, Chmiel JA, Stuivenberg GA, Kiattiburut W, Bjazevic J, Razvi H, Grohe B, Goldberg HA, Burton JP, Al KF. Osteopontin phosphopeptide mitigates calcium oxalate stone formation in a Drosophila melanogaster model. Urolithiasis 2022; 51:19. [PMID: 36547746 DOI: 10.1007/s00240-022-01395-2] [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: 11/01/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
Kidney stone disease affects nearly one in ten individuals and places a significant economic strain on global healthcare systems. Despite the high frequency of stones within the population, effective preventative strategies are lacking and disease prevalence continues to rise. Osteopontin (OPN) is a urinary protein that can inhibit the formation of renal calculi in vitro. However, the efficacy of OPN in vivo has yet to be determined. Using an established Drosophila melanogaster model of calcium oxalate urolithiasis, we demonstrated that a 16-residue synthetic OPN phosphopeptide effectively reduced stone burden in vivo. Oral supplementation with this peptide altered crystal morphology of calcium oxalate monohydrate (COM) in a similar manner to previous in vitro studies, and the presence of the OPN phosphopeptide during COM formation and adhesion significantly reduced crystal attachment to mammalian kidney cells. Altogether, this study is the first to show that an OPN phosphopeptide can directly mitigate calcium oxalate urolithiasis formation in vivo by modulating crystal morphology. These findings suggest that OPN supplementation is a promising therapeutic approach and may be clinically useful in the management of urolithiasis in humans.
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Affiliation(s)
- Polycronis P Akouris
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - John A Chmiel
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Gerrit A Stuivenberg
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Wongsakorn Kiattiburut
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Jennifer Bjazevic
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Hassan Razvi
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Bernd Grohe
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
| | - Harvey A Goldberg
- Department of Biochemistry, Western University, London, ON, Canada
- School of Dentistry, Western University, London, ON, Canada
| | - Jeremy P Burton
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Kait F Al
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada.
- Department of Microbiology and Immunology, Western University, London, ON, Canada.
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13
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Anan G, Hirose T, Kikuchi D, Takahashi C, Endo A, Ito H, Sato S, Nakayama S, Hashimoto H, Ishiyama K, Kimura T, Takahashi K, Sato M, Mori T. Inhibition of sodium-glucose cotransporter 2 suppresses renal stone formation. Pharmacol Res 2022; 186:106524. [PMID: 36349594 DOI: 10.1016/j.phrs.2022.106524] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND AIMS Nephrolithiasis is a common renal disease with no effective medication. Sodium-glucose cotransporter-2 (SGLT2) inhibitors, an anti-diabetic agent, have diuretic and anti-inflammatory properties and could prevent nephrolithiasis. Here, we investigated the potential of SGLT2 inhibition against nephrolithiasis using large-scale epidemiological data, animal models, and cell culture experiments. METHODS This study included the data of diabetic patients (n = 1,538,198) available in the Japanese administrative database and divided them according to SGLT2 inhibitor prescription status. For animal experiments, renal calcium oxalate stones were induced by ethylene glycol in Sprague-Dawley rats, and phlorizin, an SGLT1/2 inhibitor, was used for the treatment. The effects of SGLT2-specific inhibition for renal stone formation were assessed in SGLT2-deficient mice and a human proximal tubular cell line, HK-2. RESULTS Nephrolithiasis prevalence in diabetic men was significantly lower in the SGLT2 inhibitor prescription group than in the non-SGLT2 inhibitor prescription group. Phlorizin attenuated renal stone formation and downregulated the kidney injury molecule 1 (Kim1) and osteopontin (Opn) expression in rats, with unchanged water intake and urine volume. It suppressed inflammation and macrophage marker expression, suggesting the role of the SGLT2 inhibitor in reducing inflammation. SGLT2-deficient mice were resistant to glyoxylic acid-induced calcium oxalate stone formation with reduced Opn expression and renal damages. High glucose-induced upregulation of OPN and CD44 and cell surface adhesion of calcium oxalate reduced upon SGLT2-silencing in HK-2 cells. CONCLUSION Overall, our findings identified that SGLT2 inhibition prevents renal stone formation and may be a promising therapeutic approach against nephrolithiasis.
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Affiliation(s)
- Go Anan
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Department of Urology, Yotsuya Medical Cube, Tokyo, Japan
| | - Takuo Hirose
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Division of Integrative Renal Replacement Therapy, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Department of Endocrinology and Applied Medical Science, Tohoku University Graduate School of Medicine, Sendai, Japan.
| | - Daisuke Kikuchi
- Department of Pharmacy, Tohoku Medical and Pharmaceutical University Hospital, Sendai, Japan
| | - Chika Takahashi
- Division of Integrative Renal Replacement Therapy, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Akari Endo
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Department of Endocrinology and Applied Medical Science, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroki Ito
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Department of Endocrinology and Applied Medical Science, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shigemitsu Sato
- Division of Integrative Renal Replacement Therapy, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Department of Endocrinology and Applied Medical Science, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shingo Nakayama
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Hideaki Hashimoto
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Katsuya Ishiyama
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Tomoyoshi Kimura
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kazuhiro Takahashi
- Department of Endocrinology and Applied Medical Science, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Makoto Sato
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Takefumi Mori
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan; Division of Integrative Renal Replacement Therapy, Tohoku Medical and Pharmaceutical University, Sendai, Japan
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14
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Jia Q, Huang Z, Wang G, Sun X, Wu Y, Yang B, Yang T, Liu J, Li P, Li J. Osteopontin: An important protein in the formation of kidney stones. Front Pharmacol 2022; 13:1036423. [PMID: 36452224 PMCID: PMC9703462 DOI: 10.3389/fphar.2022.1036423] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 10/26/2022] [Indexed: 09/10/2024] Open
Abstract
The incidence of kidney stones averages 10%, and the recurrence rate of kidney stones is approximately 10% at 1 year, 35% at 5 years, 50% at 10 years, and 75% at 20 years. However, there is currently a lack of good medicines for the prevention and treatment of kidney stones. Osteopontin (OPN) is an important protein in kidney stone formation, but its role is controversial, with some studies suggesting that it inhibits stone formation, while other studies suggest that it can promote stone formation. OPN is a highly phosphorylated protein, and with the deepening of research, there is growing evidence that it promotes stone formation, and the phosphorylated protein is believed to have adhesion effect, promote stone aggregation and nucleation. In addition, OPN is closely related to immune cell infiltration, such as OPN as a pro-inflammatory factor, which can activate mast cells (degranulate to release various inflammatory factors), macrophages (differentiated into M1 macrophages), and T cells (differentiated into T1 cells) etc., and these inflammatory cells play a role in kidney damage and stone formation. In short, OPN mainly exists in the phosphorylated form in kidney stones, plays an important role in the formation of stones, and may be an important target for drug therapy of kidney stones.
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Affiliation(s)
- Qingxia Jia
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Ziye Huang
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Guang Wang
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xia Sun
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yuyun Wu
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Bowei Yang
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Tongxin Yang
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jianhe Liu
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Pei Li
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jiongming Li
- The Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
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15
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Imig JD. Osteopontin Regulates Phosphate Solubility to Prevent Mineral Aggregates in CKD. KIDNEY360 2022; 3:1477-1479. [PMID: 36245661 PMCID: PMC9528367 DOI: 10.34067/kid.0004292022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/12/2022] [Indexed: 12/20/2022]
Affiliation(s)
- John D. Imig
- Drug Discovery Center Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin
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16
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Stubbs JR, Zhang S, Jansson KP, Fields TA, Boulanger J, Liu S, Rowe PS. Critical Role of Osteopontin in Maintaining Urinary Phosphate Solubility in CKD. KIDNEY360 2022; 3:1578-1589. [PMID: 36245654 PMCID: PMC9528389 DOI: 10.34067/kid.0007352021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 06/21/2022] [Indexed: 01/13/2023]
Abstract
Background Nephron loss dramatically increases tubular phosphate to concentrations that exceed supersaturation. Osteopontin (OPN) is a matricellular protein that enhances mineral solubility in solution; however, the role of OPN in maintaining urinary phosphate solubility in CKD remains undefined. Methods Here, we examined (1) the expression patterns and timing of kidney/urine OPN changes in CKD mice, (2) if tubular injury is necessary for kidney OPN expression in CKD, (3) how OPN deletion alters kidney mineral deposition in CKD mice, (4) how neutralization of the mineral-binding (ASARM) motif of OPN alters kidney mineral deposition in phosphaturic mice, and (5) the in vitro effect of phosphate-based nanocrystals on tubular epithelial cell OPN expression. Results Tubular OPN expression was dramatically increased in all studied CKD murine models. Kidney OPN gene expression and urinary OPN/Cr ratios increased before changes in traditional biochemical markers of kidney function. Moreover, a reduction of nephron numbers alone (by unilateral nephrectomy) was sufficient to induce OPN expression in residual nephrons and induction of CKD in OPN-null mice fed excess phosphate resulted in severe nephrocalcinosis. Neutralization of the ASARM motif of OPN in phosphaturic mice resulted in severe nephrocalcinosis that mimicked OPN-null CKD mice. Lastly, in vitro experiments revealed calcium-phosphate nanocrystals to induce OPN expression by tubular epithelial cells directly. Conclusions Kidney OPN expression increases in early CKD and serves a critical role in maintaining tubular mineral solubility when tubular phosphate concentrations are exceedingly high, as in late-stage CKD. Calcium-phosphate nanocrystals may be a proximal stimulus for tubular OPN production.
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Affiliation(s)
- Jason R. Stubbs
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas
- Division of Nephrology and Hypertension, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
| | - Shiqin Zhang
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas
| | - Kyle P. Jansson
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas
- Division of Nephrology and Hypertension, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
| | - Timothy A. Fields
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas
- Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas
| | | | | | - Peter S. Rowe
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas
- Division of Nephrology and Hypertension, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
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17
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Bhardwaj R, Bhardwaj A, Dhawan DK, Tandon C, Kaur T. 4-PBA rescues hyperoxaluria induced nephrolithiasis by modulating urinary glycoproteins: Cross talk between endoplasmic reticulum, calcium homeostasis and mitochondria. Life Sci 2022; 305:120786. [PMID: 35809664 DOI: 10.1016/j.lfs.2022.120786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/28/2022] [Accepted: 07/01/2022] [Indexed: 12/15/2022]
Abstract
AIM Urinary glycoproteins such as Tamm Horsfall Protein (THP) and Osteopontin (OPN) are well established key regulators of renal stone formation. Additionally, recent revelations have highlighted the influence of Endoplasmic Reticulum (ER) and mitochondria of crucial importance in nephrolithiasis. However, till date conclusive approach highlighting the influence of ER stress on urinary glycoproteins and chaperone in nephrolithiasis remains elusive. Therefore, the present study was focussed on deciphering the possible effect of 4-PBA mitigating ER stress on urinary glycoproteins and calnexin (chaperone) with emphasis on interlinking calcium homeostasis in hyperoxaluric rats. MATERIAL AND METHODS Post 9 days of treatment, animals were sacrificed, and renal tissues were investigated for urinary glycoproteins, calnexin, calcium homeostasis, ER environment, redox status, and mitochondrial linkage. KEY FINDINGS 4-PBA appreciably reversed the altered levels of THP, OPN, and calnexin observed along with curtailing the disrupted calcium homeostasis when assessed for SERCA activity and intra-cellular calcium levels. Additionally, significant improvement in the perturbed ER environment as verified by escalated ER stress markers, disturbed protein folding-aggregation-degradation (congo red assay) pathway, and redox status was found post 4-PBA intervention. Interestingly, linkage of ER stress and mitochondria was established under hyperoxaluric conditions when assessed for protein levels of VDAC1 and GRP75. SIGNIFICANCE 4-PBA treatment resulted in rectifying the repercussions of ER-mitochondrial caused distress when assessed for protein folding/aggregation/degradation events along with disturbed calcium homeostasis. The present study advocates the necessity to adopt a holistic vision towards hyperoxaluria with emphasis on glycoproteins and ER environment.
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Affiliation(s)
- Rishi Bhardwaj
- Department of Biophysics, Panjab University, Chandigarh, India
| | - Ankita Bhardwaj
- Department of Biophysics, Panjab University, Chandigarh, India
| | | | | | - Tanzeer Kaur
- Department of Biophysics, Panjab University, Chandigarh, India.
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18
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Van de Perre E, Bazin D, Estrade V, Bouderlique E, Wissing KM, Daudon M, Letavernier E. Randall’s plaque as the origin of idiopathic calcium oxalate stone formation: an update. CR CHIM 2022. [DOI: 10.5802/crchim.102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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19
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Khan SR. Inflammation and injury: what role do they play in the development of Randall’s plaques and formation of calcium oxalate kidney stones? CR CHIM 2022. [DOI: 10.5802/crchim.93] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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20
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Liu M, Cui Z, Chen J, Gao M, Zhu Z, Chen H. Dietary selenium intake and the risk of kidney stones in adults, an analysis of 2007-2018 National Health and Nutrition Examination Survey, a cross-sectional study. Front Nutr 2022; 9:877917. [PMID: 36034902 PMCID: PMC9400542 DOI: 10.3389/fnut.2022.877917] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose To evaluate the association between dietary selenium intake and the risk of kidney stones in adults. Materials and methods We performed a cross-sectional analysis using data from 2007 to 2018 National Health and Nutrition Examination Survey (NHANES). Dietary intake information of 30,184 participants was obtained using first 24-h dietary recall interview, and kidney stones were presented by a standard questionnaire. The quartile analysis, stratified analysis and non-linearity analysis were used to estimate the association between dietary selenium intake and kidney stones after an adjustment for potential confounders. Results The multiple logistic regression indicated that the fourth quantile (Q4) of dietary selenium intake had a lower risk of kidney stones than the first quantile (Q1) in Model 3 (OR 0.82, P < 0.05). The stratified analyses indicated there were statistical differences between dietary selenium intake and kidney stones among younger (age < 50) (OR 0.65, P < 0.01), male (OR 0.73, P < 0.01) and overweight/obese (BMI ≥ 25.0) (OR 0.80, P < 0.05) individuals in Model 3. The non-linear relationship was founded between dietary selenium intake and kidney stones in all participants, younger, male and overweight/obese individuals after adjusting for confounding factors. Conclusion Our study revealed an inverse relation between the level of dietary selenium intake and the risk of kidney stones for the United States population, especially for younger (age < 50), male and overweight/obese (BMI ≥ 25.0) individuals. The study provides preliminary guidance on dietary selenium intake for the prevention of kidney stones in different populations. Further studies are required to confirm our findings and clarified the biological mechanisms.
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Affiliation(s)
- Minghui Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhongxiao Cui
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jinbo Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Meng Gao
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zewu Zhu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hequn Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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21
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Wang Q, Jiang Y, Du M, Yang L, Yuan Q. Association of functional genetic variants in TFF1 and nephrolithiasis risk in a Chinese population. BMC Urol 2022; 22:127. [PMID: 35987613 PMCID: PMC9392923 DOI: 10.1186/s12894-022-01081-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 07/25/2022] [Indexed: 11/25/2022] Open
Abstract
Trefoil Factor 1 (TFF1) is considered to be able to inhibit the formation of kidney stone. However, genetic variants in TFF1 and corresponding function in kidney stone development are still not well studied. In this study, the discovery set including 230 cases and 250 controls was used to analyze the association between seven tagSNPs of TFF1 gene and the nephrolithiasis risk. Further evaluation was confirmed by the validation set comprising 307 cases and 461 controls. The consequences of the two-stage case–control study indicated that individuals with the rs3761376 A allele have significantly increased nephrolithiasis risk than those with the GG genotypes [adjusted odds ratio (OR) = 1.35, 95% confidence interval (CI) = 1.05–1.73]. Moreover, we also carried out a stratified analysis and found the increased nephrolithiasis risks at A allele among males, overweight individuals, no hypertensive individuals, nondiabetic individuals, smokers, and drinkers. In the following functional experiments, the notably lower expression of TFF1 was exhibited by the vectors carrying A allele compared with those carrying G allele in both luciferase (P = 0.022) and expression vectors (P = 0.041). In addition to tissue detection, we confirmed a significant inverse association of rs3761376 G > A and TFF1 gene expression (P < 0.001). These results suggest that TFF1 rs3761376 may serve as a potential biomarker to predict the risk of nephrolithiasis.
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22
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Two independent modes of kidney stone suppression achieved by AIM/CD5L and KIM-1. Commun Biol 2022; 5:783. [PMID: 35922481 PMCID: PMC9349198 DOI: 10.1038/s42003-022-03750-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022] Open
Abstract
The prevalence of kidney stones is increasing and its recurrence rate within the first 5 years is over 50%. No treatments that prevent the occurrence/recurrence of stones have reached the clinic. Here, we show that AIM (also called CD5L) suppresses stone development and improves stone-associated physical damages. The N-terminal domain of AIM associates with calcium oxalate crystals via charge-based interaction to impede the development of stones, whereas the 2nd and C-terminal domains capture the inflammatory DAMPs to promote their phagocytic removal. Accordingly, when stones were induced by glyoxylate in mice, recombinant AIM (rAIM) injection dramatically reduced stone development. Expression of injury molecules and inflammatory cytokines in the kidney and overall renal dysfunction were abrogated by rAIM. Among various negatively charged substances, rAIM was most effective in stone prevention due to its high binding affinity to crystals. Furthermore, only AIM was effective in improving the physical complaints including bodyweight-loss through its DAMPs removal effect. We also found that tubular KIM-1 may remove developed stones. Our results could be the basis for the development of a comprehensive therapy against kidney stone disease. The circulating protein apoptosis inhibitor of macrophage (AIM) reduces kidney stone development and prevents build up, providing the basis for kidney stone disease therapy.
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Proteomic analysis of inhibitory protein profiles in the urine of children with nephrolithiasis: implication for disease prevention. Int Urol Nephrol 2022; 54:2783-2788. [PMID: 35879498 DOI: 10.1007/s11255-022-03310-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 07/17/2022] [Indexed: 10/16/2022]
Abstract
PURPOSE In this study we aimed to screen for the presence of biomarkers that are downregulated in children with nephrolithiasis (RS) compared to healthy controls (HC) using a proteomic approach. We hypothesized that RS and HC would display unique inhibitory protein profiles that could be used for comparative pathway analysis. METHODS This is a prospective, controlled, pilot study of pooled urine from RS (N = 30, 24 females, mean age 12.95 ± 4.03 years) versus age- and gender-matched HC, using liquid chromatography-mass spectrometry. The criteria for protein selection were: (1) patient/control abundance ratio of < 0.5; and (2) ≤ 0.05 p-value for the Fisher's Exact Test. Results were confirmed by ELISA testing in individual samples. RESULTS 67 proteins were downregulated in RS group, and 17 of those were significantly different compared to controls. Of those seventeen proteins, five (two actins, annexin A5, keratin 6B, and serpin B4) were completely absent in the urine of stone patients but were found in controls. The remaining twelve proteins were significantly less abundant in the patient's urine compared to healthy controls. Protein-protein interaction modeling of significant proteins identified syndecan-1 as the key node, a protein associated with adhesion pathways. ELISA analysis by subgroups showed statistically significant difference in the urinary excretion of osteopontin (5.1 ± 3.22 ng/mg creatinine vs 14.1 ± 9.5 ng/mg creatinine, p = 0.046) between stone patients with hypocitraturia and controls. Urinary osteopontin concentration was positively correlated with urinary citrate excretion (r = 0.417, p = 0.03). CONCLUSIONS Children with RS have a different urinary inhibitory polypeptide profile compared to HC. Decreased urinary excretion of these proteins indicates their potential inhibitory role in renal stone formation, especially of the adhesion phase. Lower concentration of urinary osteopontin in children with nephrolithiasis and hypocitraturia suggests its potential involvement in the pathogenesis of this disease. Further characterization of these proteins in a larger sample is imperative.
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Siener R, Herwig H, Rüdy J, Schaefer RM, Lossin P, Hesse A. Urinary stone composition in Germany: results from 45,783 stone analyses. World J Urol 2022; 40:1813-1820. [PMID: 35666268 PMCID: PMC9236976 DOI: 10.1007/s00345-022-04060-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 05/16/2022] [Indexed: 11/29/2022] Open
Abstract
PURPOSE Stone composition can provide valuable information for the diagnosis, treatment and recurrence prevention of urolithiasis. The aim of this study was to evaluate the distribution of urinary stone components and the impact of different crystal forms according to gender and age of patients in Germany. METHODS A total of 45,783 urinary stones submitted from 32,512 men and 13,271 women between January 2007 and December 2020 were analyzed by infrared spectroscopy. Only the first calculus obtained per patient was included in the analysis. RESULTS The most common main stone component was calcium oxalate (CaOx) (71.4%), followed by carbonate apatite (CA) (10.2%) and uric acid (UA) (8.3%). Struvite (2.1%), brushite (1.3%), protein (0.5%) and cystine (0.4%) stones were only rarely diagnosed. CaOx (75%) and UA stones (81%) were more frequently obtained from men than women (p < 0.001). Weddellite (COD) and uric acid dihydrate (UAD) were more common in younger ages than whewellite (COM) and anhydrous uric acid (UAA), respectively, in both men and women. The ratios of COM-to-COD and UAA-to-UAD calculi were approximately 4:1 and 8:1, respectively. The peak of stone occurrence was between the ages of 40 and 59 years. CONCLUSION Stone composition is strongly associated with gender and age. The peak incidence of calculi in both women and men was in the most active phase of their working life. The distinction between different crystal forms could provide clues to the activity and mechanisms of lithogenesis. Further research is needed in understanding the causative factors and the process of stone formation.
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Affiliation(s)
- Roswitha Siener
- Department of Urology, University Stone Center, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
| | - Helena Herwig
- Department of Urology, University Stone Center, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Jakob Rüdy
- Department of Urology, University Stone Center, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
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Figueredo CA, Abdelhay N, Gibson MP. The Roles of SIBLING Proteins in Dental, Periodontal and Craniofacial Development. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.898802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The majority of dental, periodontal, and craniofacial tissues are derived from the neural crest cells and ectoderm. Neural crest stem cells are pluripotent, capable of differentiating into a variety of cells. These cells can include osteoblasts, odontoblasts, cementoblasts, chondroblasts, and fibroblasts which are responsible for forming some of the tissues of the oral and craniofacial complex. The hard tissue forming cells deposit a matrix composed of collagen and non-collagenous proteins (NCPs) that later undergoes mineralization. The NCPs play a role in the mineralization of collagen. One such category of NCPs is the small integrin-binding ligand, N-linked glycoprotein (SIBLING) family of proteins. This family is composed of dentin sialophosphosprotein (DSPP), osteopontin (OPN), dentin matrix protein 1 (DMP1), bone sialoprotein (BSP), and matrix extracellular phosphoglycoprotein (MEPE). The SIBLING family is known to have regulatory effects in the mineralization process of collagen fibers and the maturation of hydroxyapatite crystals. It is well established that SIBLING proteins have critical roles in tooth development. Recent literature has described the expression and role of SIBLING proteins in other areas of the oral and craniofacial complex as well. The objective of the present literature review is to summarize and discuss the different roles the SIBLING proteins play in the development of dental, periodontal, and craniofacial tissues.
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26
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Mohebi R, van Kimmenade R, McCarthy C, Gaggin H, Mehran R, Dangas G, Januzzi JL. A Biomarker‐Enhanced Model for Prediction of Acute Kidney Injury and Cardiovascular Risk Following Angiographic Procedures: CASABLANCA AKI Prediction Substudy. J Am Heart Assoc 2022; 11:e025729. [PMID: 35574956 PMCID: PMC9238548 DOI: 10.1161/jaha.122.025729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background The 2020 Acute Disease Quality Initiative Consensus provided recommendations on novel acute kidney injury biomarkers. In this study, we sought to assess the added value of novel kidney biomarkers to a clinical score in the CASABLANCA (Catheter Sampled Blood Archive in Cardiovascular Diseases) study. Methods and Results We evaluated individuals undergoing coronary and/or peripheral angiography and added 4 candidate biomarkers for acute kidney injury (kidney injury molecule‐1, interleukin‐18, osteopontin, and cystatin C) to a previously described contrast‐associated acute kidney injury (CA‐AKI) risk score. Participants were categorized into integer score groups based on the risk assigned by the biomarker‐enhanced CA‐AKI model. Risk for incident cardiorenal outcomes during a median 3.7 years of follow‐up was assessed. Of 1114 participants studied, 55 (4.94%) developed CA‐AKI. In adjusted models, neither kidney injury molecule‐1 nor interleukin‐18 improved discrimination for CA‐AKI; addition of osteopontin and cystatin C to the CA‐AKI clinical model significantly increased the c‐statistic from 0.69 to 0.73 (P for change <0.001) and resulted in a Net Reclassification Index of 59.4. Considering those with the lowest CA‐AKI integer score as a reference, the intermediate, high‐risk, and very‐high‐risk groups were associated with adverse cardiorenal outcomes. The corresponding hazard ratios of the very‐high‐risk group were 3.39 (95% CI, 2.14–5.38) for nonprocedural acute kidney injury, 5.58 (95% CI, 3.23–9.63) for incident chronic kidney disease, 6.21 (95% CI, 3.67–10.47) for myocardial infarction, and 8.94 (95% CI, 4.83–16.53) for all‐cause mortality. Conclusions A biomarker‐enhanced risk model significantly improves the prediction of CA‐AKI beyond clinical variables alone and may stratify the risk of future cardiorenal outcomes. Registration URL: https://www.clinicaltrials.gov; Unique identifier: NCT00842868.
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Affiliation(s)
- Reza Mohebi
- Massachusetts General Hospital Boston MA
- Harvard Medical School Boston MA
| | | | - Cian McCarthy
- Massachusetts General Hospital Boston MA
- Harvard Medical School Boston MA
| | - Hanna Gaggin
- Massachusetts General Hospital Boston MA
- Harvard Medical School Boston MA
| | - Roxana Mehran
- The Zena and Michael A Wiener Cardiovascular InstituteIcahn School of Medicine at Mount Sinai New York NY
| | - George Dangas
- The Zena and Michael A Wiener Cardiovascular InstituteIcahn School of Medicine at Mount Sinai New York NY
| | - James L. Januzzi
- Massachusetts General Hospital Boston MA
- Harvard Medical School Boston MA
- Baim Institute for Clinical Research Boston MA
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Atorvastatin Decreases Renal Calcium Oxalate Stone Deposits by Enhancing Renal Osteopontin Expression in Hyperoxaluric Stone-Forming Rats Fed a High-Fat Diet. Int J Mol Sci 2022; 23:ijms23063048. [PMID: 35328466 PMCID: PMC8954580 DOI: 10.3390/ijms23063048] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/04/2022] [Accepted: 03/10/2022] [Indexed: 12/13/2022] Open
Abstract
Calcium oxalate (CaOx) is the major constituent of kidney stones. Growing evidence shows a close connection between hyperlipidemia, cardiovascular disease (CVD), and the formation of kidney stones. Owing to their antioxidant properties, statins control hyperlipidemia and may ameliorate CaOx stone formation. The present study was designed to investigate the suppressive effects of statins on CaOx urolithiasis and their potential mechanism. We used rats fed a high-fat diet (HFD) to achieve hyperlipidemia (HL) and hydroxyproline (HP) water to establish a hyperoxaluric CaOx nephrolithiasis model; the animals were administered statins (A) for 28 days. The rats were divided into eight groups treated or not with A, i.e., Control, HP, HL, HL + HP. HL aggravated urinary calcium crystallization compared to the control. Due to increased expression of renal osteopontin (OPN), a key anti-lithic protein, and reduced free radical production, the calcium crystals in the urinary bladder increased as renal calcium deposition decreased. The levels of the ion activity product of CaOx (AP(CaOx)) decreased after statins administration, and AP(Calcium phosphate) (CaP) increased, which suggested the dominant calcium crystal composition changed from CaOx to CaP after statin administration. In conclusion, atorvastatin decreases renal CaOx stone deposits by restoring OPN expression in hyperoxaluric rats fed a HFD.
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Zhang Y, Gao J, Bao Y, Liu Y, Tong Y, Jin S, Zhao Q. Diagnostic accuracy and prognostic significance of osteopontin in liver cirrhosis and hepatocellular carcinoma: a Meta-analysis. Biomarkers 2021; 27:13-21. [PMID: 34787036 DOI: 10.1080/1354750x.2021.2008009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE At present, there is no definite suggestion about effective tumour biomarkers for the diagnostic accuracy and prognostic significance of hepatocellular carcinoma (HCC) and liver cirrhosis (LC). The aim of our research was to determine the value of the tumour biomarker osteopontin (OPN), which is encoded by the Spp1 gene, in the diagnosis, prognosis and development of HCC and LC through meta-analysis. METHODS A systematic literature search was performed in the PubMed, Embase, Cochrane Library and China National Knowledge Infrastructure electronic databases up to March 2021. Studies evaluating the diagnostic and/or prognostic value of OPN in HCC and/or LC were included. RESULTS From the systematic search, 35 studies including 9150 participants were eligible, 25 of which provided data on the diagnostic value of OPN overexpression, while 15 studies provided data on the prognostic value. OPN had high diagnostic accuracy in both HCC and LC patients compared with healthy controls, and the diagnostic efficiency was increased by the biomarker combination OPN + AFP. CONCLUSIONS OPN may be adopted as a promising predictive tumour biomarker for the diagnosis and prognosis of HCC and LC and may be a potential therapeutic target.
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Affiliation(s)
- Yingshi Zhang
- Department of Pharmacy, Northern Theater General Hospital, Shenyang, China.,Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Jiayue Gao
- National Center of Biomedical Analysis, Beijing, China
| | - Yu Bao
- Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yang Liu
- Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yimeng Tong
- Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Shuqing Jin
- Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Qingchun Zhao
- Department of Pharmacy, Northern Theater General Hospital, Shenyang, China.,Department of Clinical Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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29
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Ibis F, Yu TW, Penha FM, Ganguly D, Nuhu MA, van der Heijden AEDM, Kramer HJM, Eral HB. Nucleation kinetics of calcium oxalate monohydrate as a function of pH, magnesium, and osteopontin concentration quantified with droplet microfluidics. BIOMICROFLUIDICS 2021; 15:064103. [PMID: 34853626 PMCID: PMC8610605 DOI: 10.1063/5.0063714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/31/2021] [Indexed: 05/02/2023]
Abstract
A droplet-based microfluidic platform is presented to study the nucleation kinetics of calcium oxalate monohydrate (COM), the most common constituent of kidney stones, while carefully monitoring the pseudo-polymorphic transitions. The precipitation kinetics of COM is studied as a function of supersaturation and pH as well as in the presence of inhibitors of stone formation, magnesium ions (Mg2+), and osteopontin (OPN). We rationalize the trends observed in the measured nucleation rates leveraging a solution chemistry model validated using isothermal solubility measurements. In equimolar calcium and oxalate ion concentrations with different buffer solutions, dramatically slower kinetics is observed at pH 6.0 compared to pHs 3.6 and 8.6. The addition of both Mg2+ and OPN to the solution slows down kinetics appreciably. Interestingly, complete nucleation inhibition is observed at significantly lower OPN, namely, 3.2 × 10-8 M, than Mg2+ concentrations, 0.875 × 10-4 M. The observed inhibition effect of OPN emphasizes the often-overlooked role of macromolecules on COM nucleation due to their low concentration presence in urine. Moreover, analysis of growth rates calculated from observed lag times suggests that inhibition in the presence of Mg2+ cannot be explained solely on altered supersaturation. The presented study highlights the potential of microfluidics in overcoming a major challenge in nephrolithiasis research, the overwhelming physiochemical complexity of urine.
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Affiliation(s)
- Fatma Ibis
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Tsun Wang Yu
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Frederico Marques Penha
- Department of Chemical Engineering, KTH Royal Institute of Technology, Teknikringen 42, SE100-44 Stockholm, Sweden
| | - Debadrita Ganguly
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Manzoor Alhaji Nuhu
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Antoine E. D. M. van der Heijden
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Herman J. M. Kramer
- Complex Fluid Processing, Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
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Chaikiawkeaw D, Khorattanakulchai N, Nammultriputtar K, Rattanapisit K, Everts V, Kubera A, Phoolchareon W, Pavasant P. Osteopontin induces osteogenic differentiation by human periodontal ligament cells via calcium binding domain-activin receptor-like kinase (ALK-1) interaction. J Periodontol 2021; 93:e13-e23. [PMID: 34453745 DOI: 10.1002/jper.21-0184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 07/28/2021] [Accepted: 08/09/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Recently we have generated recombinant human osteopontin (rhOPN) using a plant platform (Nicotiana benthamiana) and demonstrated, when coated on culture plates, its osteogenic induction capacity of human periodontal ligament (PDL) cells. The aim of this study is to elucidate the molecular mechanism underlying the rhOPN-induced osteogenic differentiation of human PDL cells. METHODS Full length rhOPN (FL-OPN) and three constructs of OPN containing integrin binding domain (N142), calcium binding domain (C122) and mutated calcium-binding domain (C122δ) were generated from N. benthamiana. Human PDL cells were isolated from extracted third molars and cultured on FL-OPN, N142, C122, or C122δ-coated surfaces. Real-time PCR and Western blot analyses were used to determine mRNA and protein expression. In vitro calcification was determined by Alizarin red staining. A chemical inhibitor and RNAi silencing were used to elucidate signaling pathways. In silico analyses were performed to predict the protein-protein interaction. In vivo analysis was performed using a rat calvaria defect model. RESULTS Human PDL cells seeded on FL-OPN and C122-coated surfaces significantly increased both mRNA and protein expression of osterix (OSX) and enhanced in vitro calcification. Soluble FL-OPN as well as a surface coated with N142 did not affect OSX expression. Inhibition of activin receptor-like kinase (ALK-1) abolished the induction of osterix expression. In silico analysis suggested a possible interaction between the calcium binding domain (CaBD) of OPN and ALK-1 receptor. C122, but not C122δ coated surfaces, induced the expression of p-Smad-1 and this induction was inhibited by an ALK-1 inhibitor and RNAi against ALK-1. In vivo data showed that 3D porous scaffold containing C-122 enhanced new bone formation as compared to scaffold alone. CONCLUSION The results suggest that next to full length OPN, the CaBD of OPN, if coated to a surface, induces osteogenic differentiation via interaction with ALK-1 receptor.
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Affiliation(s)
- Daneeya Chaikiawkeaw
- Center of Excellence in Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Narach Khorattanakulchai
- Research Unit for Plant-Produced Pharmaceuticals, Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok, Thailand
| | - Ketsaraporn Nammultriputtar
- Center of Excellence in Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Kaewta Rattanapisit
- Research Unit for Plant-Produced Pharmaceuticals, Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok, Thailand
| | - Vincent Everts
- Center of Excellence in Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Department of Oral Cell Biology, Academic Center of Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - Anchanee Kubera
- Department of Genetics, Faculty of Science, Kasertsart University, Bangkok, Thailand
| | - Waranyoo Phoolchareon
- Research Unit for Plant-Produced Pharmaceuticals, Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok, Thailand
| | - Prasit Pavasant
- Center of Excellence in Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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31
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Tanaka Y, Maruyama M, Okada A, Furukawa Y, Momma K, Sugiura Y, Tajiri R, Sawada KP, Tanaka S, Takano K, Taguchi K, Hamamoto S, Ando R, Tsukamoto K, Yoshimura M, Mori Y, Yasui T. Multicolor imaging of calcium-binding proteins in human kidney stones for elucidating the effects of proteins on crystal growth. Sci Rep 2021; 11:16841. [PMID: 34446727 PMCID: PMC8390759 DOI: 10.1038/s41598-021-95782-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/27/2021] [Indexed: 12/26/2022] Open
Abstract
The pathogenesis of kidney stone formation includes multi-step processes involving complex interactions between mineral components and protein matrix. Calcium-binding proteins in kidney stones have great influences on the stone formation. The spatial distributions of these proteins in kidney stones are essential for evaluating the in vivo effects of proteins on the stone formation, although the actual distribution of these proteins is still unclear. We reveal micro-scale distributions of three different proteins, namely osteopontin (OPN), renal prothrombin fragment 1 (RPTF-1), and calgranulin A (Cal-A), in human kidney stones retaining original mineral phases and textures: calcium oxalate monohydrate (COM) and calcium oxalate dihydrate (COD). OPN and RPTF-1 were distributed inside of both COM and COD crystals, whereas Cal-A was distributed outside of crystals. OPN and RPTF-1 showed homogeneous distributions in COM crystals with mosaic texture, and periodically distributions parallel to specific crystal faces in COD crystals. The unique distributions of these proteins enable us to interpret the different in vivo effects of each protein on CaOx crystal growth based on their physico-chemical properties and the complex physical environment changes of each protein. This method will further allow us to elucidate in vivo effects of different proteins on kidney stone formation.
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Affiliation(s)
- Yutaro Tanaka
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan
| | - Mihoko Maruyama
- Institute for Advanced Co-Creation Studies, Osaka University, 2-1, Yamadaoka, Suita, 565-0871, Japan. .,Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, 565-0871, Japan. .,Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, 1-5, Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, Kyoto, 606-8522, Japan.
| | - Atsushi Okada
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan.
| | - Yoshihiro Furukawa
- Department of Earth Science, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Koichi Momma
- National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, 305-0005, Japan
| | - Yuki Sugiura
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 2217-14, Hayashi-cho, Takamatsu, Kagawa, 761-0395, Japan
| | - Rie Tajiri
- Tajiri Thin Section Laboratory, 3-1-11 Sannose, Higashiosaka, Osaka, 577-0849, Japan
| | - Koichi P Sawada
- Institute for Advanced Co-Creation Studies, Osaka University, 2-1, Yamadaoka, Suita, 565-0871, Japan
| | - Shunichi Tanaka
- Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, 1-5, Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, Kyoto, 606-8522, Japan
| | - Kazufumi Takano
- Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, 1-5, Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, Kyoto, 606-8522, Japan
| | - Kazumi Taguchi
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan
| | - Shuzo Hamamoto
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan
| | - Ryosuke Ando
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan
| | - Katsuo Tsukamoto
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, 565-0871, Japan.,Department of Earth Science, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Masashi Yoshimura
- Institute of Laser Engineering, Osaka University, 2-6, Yamadaoka, Suita City, Osaka, 565-0871, Japan
| | - Yusuke Mori
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, 565-0871, Japan
| | - Takahiro Yasui
- Department of Nephro-urology, Graduate School of Medical Sciences, Nagoya City University, 1-Kawasumi, Mizuho-cho, Mizuho-Ku, Nagoya, 467-8601, Japan
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Yang B, Li J, Wang B, Wang G, Li P, Guo H, Li Y, Yang T. Hydroxycitrate prevents calcium oxalate crystallization and kidney injury in a nephrolithiasis rat model. Urolithiasis 2021; 50:47-53. [PMID: 34410446 DOI: 10.1007/s00240-021-01283-1] [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: 03/30/2020] [Accepted: 01/23/2021] [Indexed: 10/20/2022]
Abstract
Hydroxycitrate (HCA) is a derivative of citric acid, and previous studies of HCA have revealed its ability to inhibit the formation of calcium oxalate crystals in vitro. To date, there has been little evidence proving that HCA has the same effectiveness in vivo. The present study was designed to investigate the ameliorating effect of HCA on calcium oxalate deposition and renal impairment in a male rat model. Male Sprague-Dawley rats were randomly divided into four groups: a control group, a model group (glyoxalic acid), a CA group (glyoxalic acid + CA), and an HCA group (glyoxalic acid + HCA). Kidney stone formation was induced by injection of glyoxalic acid (60 mg/kg). The results showed that serum and urinary parameters were significantly improved by HCA treatment. In addition, differences in the formation of calcium oxalate crystals between groups were observed, and HCA was superior to CA in inhibiting crystal accumulation. The ultrastructure of renal tubules and glomeruli occurred in the model group, and the above lesions were significantly reduced in the HCA group. Both OPN and SOD expression levels were promoted by HCA, while CA only promoted OPN. In this article, we provided data on whether HCA affected kidney stones and the expression levels of OPN and SOD in a male rat model.
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Affiliation(s)
- Bowei Yang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Jiongming Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China.
| | - Bin Wang
- Department of Urology, People's Hospital of Yuxi City, YuxiYunnan Province, 653100, China
| | - Guang Wang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Pei Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Haixiang Guo
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Yuhang Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Tongxin Yang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
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Yang Y, Hong S, Li C, Zhang J, Hu H, Chen X, Jiang K, Sun F, Wang Q, Wang S. Proteomic analysis reveals some common proteins in the kidney stone matrix. PeerJ 2021; 9:e11872. [PMID: 34395096 PMCID: PMC8323604 DOI: 10.7717/peerj.11872] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 07/06/2021] [Indexed: 12/11/2022] Open
Abstract
Background Proteins are the most abundant component of kidney stone matrices and their presence may reflect the process of the stone’s formation. Many studies have explored the proteomics of urinary stones and crystals. We sought to comprehensively identify the proteins found in kidney stones and to identify new, reliable biomolecules for use in nephrolithiasis research. Methods We conducted bioinformatics research in November 2020 on the proteomics of urinary stones and crystals. We used the ClusterProfiler R package to transform proteins into their corresponding genes and Ensembl IDs. In each study we located where proteomic results intersected to determine the 20 most frequently identified stone matrix proteins. We used the Human Protein Atlas to obtain the biological information of the 20 proteins and conducted Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genome (KEGG) analysis to explore their biological functions. We also performed immunohistochemistry to detect the expression of the top five stone matrix proteins in renal tissue. Results We included 19 relevant studies for analysis. We then identified 1,409 proteins in the stone matrix after the duplicates were removed. The 20 most-commonly identified stone matrix proteins were: S100A8, S100A9, uromodulin, albumin, osteopontin, lactotransferrin, vitamin K-dependent protein Z, prothrombin, hemoglobin subunit beta, myeloperoxidase, mannan-binding lectin serine protease 2, lysozyme C, complement C3, serum amyloid P-component, cathepsin G, vitronectin, apolipoprotein A-1, eosinophil cationic protein, fibrinogen alpha chain, and apolipoprotein D. GO and KEGG analysis revealed that these proteins were typically engaged in inflammation and immune response.Immunohistochemistry of the top five stone matrix proteins in renal tissue showed that the expression of S100A8, S100A9, and osteopontin increased, while uromodulin decreased in kidney stone patients. Albumin was rarely expressed in the kidney with no significant difference between healthy controls and kidney stone patients. Conclusion Proteomic analysis revealed some common inflammation-related proteins in the kidney stone matrix. The role of these proteins in stone formation should be explored for their potential use as diagnostic biomarkers and therapeutic targets for urolithiasis.
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Affiliation(s)
- Yuanyuan Yang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Senyuan Hong
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Cong Li
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jiaqiao Zhang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Henglong Hu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaolong Chen
- Department of Urology, Guizhou Provincial People's Hospital, Guizhou University, Guiyang, Guizhou, China
| | - Kehua Jiang
- Department of Urology, Guizhou Provincial People's Hospital, Guizhou University, Guiyang, Guizhou, China
| | - Fa Sun
- Department of Urology, Guizhou Provincial People's Hospital, Guizhou University, Guiyang, Guizhou, China
| | - Qing Wang
- Department of Urology, Guizhou Provincial People's Hospital, Guizhou University, Guiyang, Guizhou, China.,Department of Research Laboratory Center, Guizhou Provincial People's Hospital, Guizhou University, Guiyang, Guizhou, China
| | - Shaogang Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Abstract
PURPOSE OF REVIEW The aim of this study was to discuss recent advances regarding the pathogenesis of transfusion-related acute lung injury (TRALI), which highlight the pathogenic role of macrophages. RECENT FINDINGS TRALI remains a leading cause of transfusion-related fatalities, despite the success of the mitigation strategy, and therapeutic approaches are unavailable. Neutrophils (PMNs) are recognized pathogenic cells in TRALI. Macrophages have previously also been suggested to be pathogenic in mice via binding of C5a to their C5a-receptor, producing reactive oxygen species (ROS), which damages the pulmonary endothelium. Recent work has further highlighted the role of macrophages in the TRALI-pathogenesis. It has been shown that the protein osteopontin (OPN) released by macrophages is critical for pulmonary PMN recruitment in mice suffering from TRALI and that targeting OPN prevents the occurrence of TRALI. Another recent study demonstrated the importance of M1-polarized alveolar macrophages in murine TRALI induction by showing that α1-antitrypsin (AAT) overexpression prevented TRALI in mice through decreasing the polarization of alveolar macrophages towards the M1 phenotype. SUMMARY Apart from PMNs, macrophages also appear to be important in the pathogenesis of TRALI. Targeting the pathogenic functions of macrophages may be a promising therapeutic strategy to explore in TRALI.
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Randall's plaque and calcium oxalate stone formation: role for immunity and inflammation. Nat Rev Nephrol 2021; 17:417-433. [PMID: 33514941 DOI: 10.1038/s41581-020-00392-1] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 01/30/2023]
Abstract
Idiopathic calcium oxalate (CaOx) stones often develop attached to Randall's plaque present on kidney papillary surfaces. Similar to the plaques formed during vascular calcification, Randall's plaques consist of calcium phosphate crystals mixed with an organic matrix that is rich in proteins, such as inter-α-trypsin inhibitor, as well as lipids, and includes membrane-bound vesicles or exosomes, collagen fibres and other components of the extracellular matrix. Kidney tissue surrounding Randall's plaques is associated with the presence of classically activated, pro-inflammatory macrophages (also termed M1) and downregulation of alternatively activated, anti-inflammatory macrophages (also termed M2). In animal models, crystal deposition in the kidneys has been associated with the production of reactive oxygen species, inflammasome activation and increased expression of molecules implicated in the inflammatory cascade, including osteopontin, matrix Gla protein and fetuin A (also known as α2-HS-glycoprotein). Many of these molecules, including osteopontin and matrix Gla protein, are well known inhibitors of vascular calcification. We propose that conditions of urine supersaturation promote kidney damage by inducing the production of reactive oxygen species and oxidative stress, and that the ensuing inflammatory immune response promotes Randall's plaque initiation and calcium stone formation.
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Diet Significantly Influences the Immunopathology and Severity of Kidney Injury in Male C57Bl/6J Mice in a Model Dependent Manner. Nutrients 2021; 13:nu13051521. [PMID: 33946347 PMCID: PMC8145177 DOI: 10.3390/nu13051521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/16/2021] [Accepted: 04/23/2021] [Indexed: 11/17/2022] Open
Abstract
Diet is a leading causative risk factor for morbidity and mortality worldwide, yet it is rarely considered in the design of preclinical animal studies. Several of the nutritional inadequacies reported in Americans have been shown to be detrimental to kidney health; however, the mechanisms responsible are unclear and have been largely attributed to the development of diabetes or hypertension. Here, we set out to determine whether diet influences the susceptibility to kidney injury in male C57Bl/6 mice. Mice were fed a standard chow diet, a commercially available “Western” diet (WD), or a novel Americanized diet (AD) for 12 weeks prior to the induction of kidney injury using the folic acid nephropathy (FAN) or unilateral renal ischemia reperfusion injury (uIRI) models. In FAN, the mice that were fed the WD and AD had worse histological evidence of tissue injury and greater renal expression of genes associated with nephrotoxicity as compared to mice fed chow. Mice fed the AD developed more severe renal hypertrophy following FAN, and gene expression data suggest the mechanism for FAN differed among the diets. Meanwhile, mice fed the WD had the greatest circulating interleukin-6 concentrations. In uIRI, no difference was observed in renal tissue injury between the diets; however, mice fed the WD and AD displayed evidence of suppressed inflammatory response. Taken together, our data support the hypothesis that diet directly impacts the severity and pathophysiology of kidney disease and is a critical experimental variable that needs to be considered in mechanistic preclinical animal studies.
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Song A, Zhang C, Meng X. Mechanism and application of metformin in kidney diseases: An update. Biomed Pharmacother 2021; 138:111454. [PMID: 33714781 DOI: 10.1016/j.biopha.2021.111454] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/26/2021] [Accepted: 02/27/2021] [Indexed: 01/08/2023] Open
Abstract
Metformin is an oral antihyperglycemic drug widely used to treat type 2 diabetes mellitus (T2DM), acting via indirect activation of 5' Adenosine monophosphate-activated Protein Kinase (AMPK). Beyond the anti-diabetic effect, accumulative pieces of evidence have revealed that metformin also everts a beneficial effect in diverse kidney diseases. In various acute kidney diseases (AKI) animal models, metformin protects renal tubular cells from inflammation, apoptosis, reactive oxygen stress (ROS), endoplasmic reticulum (ER) stress, epithelial-mesenchymal transition (EMT) via AMPK activation. In diabetic kidney disease (DKD), metformin also alleviates podocyte loss, mesangial cells apoptosis, and tubular cells senescence through AMPK-mediated signaling pathways. Besides, metformin inhibits cystic fibrosis transmembrane conductance regulator (CFTR)-mediated fluids secretion and the mammalian target of rapamycin (mTOR)-involved cyst formation negatively regulated by AMPK in autosomal dominant polycystic kidney disease (APDKD). Furthermore, metformin also contributes to the alleviation of urolithiasis and renal cell carcinoma (RCC). As the common pathway for chronic kidney disease (CKD) progressing towards end-stage renal disease (ESRD), renal fibrosis is ameliorated by metformin, to a great extent dependent on AMPK activation. However, clinical data are not always consistent with preclinical data, some clinical investigations showed the unmeaningful even detrimental effect of metformin on T2DM patients with kidney diseases. Most importantly, metformin-associated lactic acidosis (MALA) is a vital issue restricting the application of metformin. Thus, we conclude the application of metformin in kidney diseases and uncover the underlying molecular mechanisms in this review.
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Affiliation(s)
- Anni Song
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xianfang Meng
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Yu L, Gan X, Bai Y, An R. CREB1 protects against the renal injury in a rat model of kidney stone disease and calcium oxalate monohydrate crystals-induced injury in NRK-52E cells. Toxicol Appl Pharmacol 2021; 413:115394. [PMID: 33421503 DOI: 10.1016/j.taap.2021.115394] [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: 09/29/2020] [Revised: 12/15/2020] [Accepted: 12/31/2020] [Indexed: 10/22/2022]
Abstract
Kidney stone disease (KSD) is a common urinary disease with increasing prevalence worldwide. In this study, we investigated the effect of cyclic AMP responsive element binding protein (CREB) 1 in a KSD model of rat and calcium oxalate monohydrate (COM) crystals-treated NRK-52E cells. Rats were pretreated with lentivirus (LV)-CREB1 vector or LV-control vector and administrated with ethylene glycol + ammonium chloride to induce KSD. It was found that CREB1 was activated in the renal tissue of non-treated KSD rats. Pretreating with LV-CREB1 vector significantly enhanced CREB1 expression in KSD rats. Biochemical analysis for serum and urine showed that upregulation of CREB1 could improve the renal function of KSD rats. Histological analysis confirmed that upregulation of CREB1 alleviated the renal injury in KSD rats. Moreover, the upregulation of CREB1 suppressed the apoptosis in renal tissue of KSD rats through regulating apoptosis-associated proteins. Further study showed that the upregulation of CREB1 could attenuate the oxidative stress in KSD rats as well. More interestingly, the upregulation of CREB1 enhanced the activity of complex I and complex III and the expression of mitochondrial cytochrome c, implicating the effect of CREB1 on improving mitochondrial function in KSD rats. In vitro study confirmed that upregulation of CREB1 inhibited the apoptosis and oxidative stress, while improved the mitochondrial function of NRK-52E cells treated with COM crystals, demonstrating the protective effect of CREB1 on COM crystals-induced renal epithelial cell injury. Therefore, CREB1 might be served as a promising target in the prophylaxis and treatment of KSD.
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Affiliation(s)
- Lei Yu
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Xiuguo Gan
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Yufeng Bai
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Ruihua An
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China.
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Khan A, Bashir S, Khan SR. Antiurolithic effects of medicinal plants: results of in vivo studies in rat models of calcium oxalate nephrolithiasis-a systematic review. Urolithiasis 2021; 49:95-122. [PMID: 33484322 DOI: 10.1007/s00240-020-01236-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 12/17/2020] [Indexed: 11/25/2022]
Abstract
Urolithiasis is one of the oldest diseases affecting humans, while plants are one of our oldest companions providing food, shelter, and medicine. In spite of substantial progress in understanding the pathophysiological mechanisms, treatment options are still limited, often expensive for common people in most parts of the world. As a result, there is a great interest in herbal remedies for the treatment of urinary stone disease as an alternative or adjunct therapy. Numerous in vivo and in vitro studies have been carried out to understand the efficacy of herbs in reducing stone formation. We adopted PRISMA guidelines and systematically reviewed PubMed/Medline for the literature, reporting results of various herbal products on in vivo models of nephrolithiasis/urolithiasis. The Medical Subject Heading Terms (Mesh term) "Urolithiasis" was used with Boolean operator "AND" and other related Mesh Unique terms to search all the available records (July 2019). A total of 163 original articles on in vivo experiments were retrieved from PubMed indexed with the (MeshTerm) "Urolithiasis" AND "Complementary Therapies/Alternative Medicine, "Urolithiasis" AND "Plant Extracts" and "Urolithiasis" AND "Traditional Medicine". Most of the studies used ethylene glycol (EG) to induce hyperoxaluria and nephrolithiasis in rats. A variety of extraction methods including aqueous, alcoholic, hydro-alcoholic of various plant parts ranging from root bark to fruits and seeds, or a combination thereof, were utilized. All the investigations did not study all aspects of nephrolithiasis making it difficult to compare the efficacy of various treatments. Changes in the lithogenic factors and a reduction in calcium oxalate (CaOx) crystal deposition in the kidneys were, however, considered favorable outcomes of the various treatments. Less than 10% of the studies examined antioxidant and diuretic activities of the herbal treatments and concluded that their antiurolithic activities were a result of antioxidant, anti-inflammatory, and/or diuretic effects of the treatments.
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Affiliation(s)
- Aslam Khan
- College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.,King Abdullah International Medical Research Center, Ministry of National Guard Health Affairs, Jeddah, Saudi Arabia
| | - Samra Bashir
- Department of Pharmacy, Faculty of Health and Life Sciences, Capital University of Science and Technology, Islamabad, Pakistan
| | - Saeed R Khan
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, USA.
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TAŞKIN T, YILMAZ B, DOĞAN A. Antioxidant, Enzyme Inhibitory and Calcium Oxalate Anti-crystallization Activities of Equisetum telmateia Ehrn. INTERNATIONAL JOURNAL OF SECONDARY METABOLITE 2020. [DOI: 10.21448/ijsm.706514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Phytochemical screening and evaluation of antioxidant, enzyme inhibition, anti-proliferative and calcium oxalate anti-crystallization activities of Micromeria fruticosa spp. brachycalyx and Rhus coriaria. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101670] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Bodhankar S, Zhang K, Kandhare A, Mukherjee-Kandhare A. Apigenin attenuated ethylene glycol induced urolithiasis in uninephrectomized hypertensive rats: A possible role of bikunin, BMP-2/4, and osteopontin. Pharmacogn Mag 2020. [DOI: 10.4103/pm.pm_83_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Anan G, Yoneyama T, Noro D, Tobisawa Y, Hatakeyama S, Sutoh Yoneyama M, Yamamoto H, Imai A, Iwamura H, Kohada Y, Mikami J, Ito J, Kaiho Y, Yoneyama T, Hashimoto Y, Sato M, Ohyama C. The Impact of Glycosylation of Osteopontin on Urinary Stone Formation. Int J Mol Sci 2019; 21:ijms21010093. [PMID: 31877766 PMCID: PMC6982307 DOI: 10.3390/ijms21010093] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/17/2019] [Accepted: 12/19/2019] [Indexed: 01/31/2023] Open
Abstract
Osteopontin (OPN) is a matrix glycoprotein of urinary calculi. This study aims to identify the role of aberrant glycosylation of OPN in urolithiasis. We retrospectively measured urinary glycosylated OPN normalized by urinary full-length-OPN levels in 110 urolithiasis patients and 157 healthy volunteers and 21 patients were prospectively longitudinal follow-up during stone treatment. The urinary full-length-OPN levels were measured using enzyme-linked immunosorbent assay and glycosylated OPN was measured using a lectin array and lectin blotting. The assays were evaluated using the area under the receiver operating characteristics curve to discriminate stone forming urolithiasis patients. In the retrospective cohort, urinary Gal3C-S lectin reactive- (Gal3C-S-) OPN/full-length-OPN, was significantly higher in the stone forming urolithiasis patients than in the healthy volunteers (p < 0.0001), with good discrimination (AUC, 0.953), 90% sensitivity, and 92% specificity. The Lycopersicon esculentum lectin analysis of urinary full-length-OPN showed that urinary full-length-OPN in stone forming urolithiasis patients had a polyLacNAc structure that was not observed in healthy volunteers. In the prospective longitudinal follow-up study, 92.8% of the stone-free urolithiasis group had Gal3C-S-OPN/full-length-OPN levels below the cutoff value after ureteroscopic lithotripsy (URS), whereas 71.4% of the residual-stone urolithiasis group did not show decreased levels after URS. Therefore, Gal3C-S-OPN/full-length-OPN levels could be used as a urolithiasis biomarker.
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Affiliation(s)
- Go Anan
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Tohru Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan
- Correspondence: ; Tel.: +81-172-39-5091
| | - Daisuke Noro
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Yuki Tobisawa
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Shingo Hatakeyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Mihoko Sutoh Yoneyama
- Department of Cancer Immunology and Cell Biology, Oyokyo Kidney Research Institute, Hirosaki, Aomori 036-8243, Japan
| | - Hayato Yamamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Atsushi Imai
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Hiromichi Iwamura
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Yuki Kohada
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Jotaro Mikami
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Jun Ito
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Yasuhiro Kaiho
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Takahiro Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan
| | - Yasuhiro Hashimoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Makoto Sato
- Department of Urology, Tohoku Medical and Pharmaceutical University, Sendai 983-8536, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan
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A Proteomic Network Approach across the Kidney Stone Disease Reveals Endoplasmic Reticulum Stress and Crystal-Cell Interaction in the Kidney. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9307256. [PMID: 31772715 PMCID: PMC6854948 DOI: 10.1155/2019/9307256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/18/2019] [Accepted: 08/27/2019] [Indexed: 12/30/2022]
Abstract
Crystal-cell interactions are a vital step toward kidney stone formation. However, its mechanisms remained unclear. Here, a protein-protein interaction (PPI) network analysis of a kidney stone revealed that the proteins were enriched in a posttranslational protein modification process in the endoplasmic reticulum (ER). The in vitro study showed that the markers of ER stress, including Bip and CHOP, were upregulated, PERK and ATF6 were activated, and XBP-1 mRNA was spliced. An ER stress-specific protein, caspase-12, was activated in the apoptotic cells induced by calcium oxalate monohydrate (COM) crystals. The treatment with tunicamycin, an ER stress inducer, promoted the crystal-cell adhesion assayed by atomic absorption, reduced cell viability assayed by MTT, and downregulated the expression of proteins involved in the crystal formations. The treatment with salubrinal, an ER stress inhibitor, reversed the above effects for both tunicamycin and COM crystals. The aforementioned main observations were supported by in vivo study. These data demonstrated that ER stress was an essentially biological process of crystal-cell interactions. Our findings suggest that blocking ER stress may become a potential approach to preventing a kidney stone.
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Cherng JH, Hsu YJ, Liu CC, Tang SH, Sartika D, Chang SJ, Fan GY, Wu ST, Meng E. Activities of Ca 2+-related ion channels during the formation of kidney stones in an infection-induced urolithiasis rat model. Am J Physiol Renal Physiol 2019; 317:F1342-F1349. [PMID: 31509008 DOI: 10.1152/ajprenal.00199.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Bacterial infection has long been recognized to contribute to struvite urinary stone deposition; however, its contribution to the development of chronic kidney stones has not been extensively investigated. In the present study, we hypothesized another possible method of bacteria contributing to the formation of calcium oxalate (CaOx) that accounts for the biggest part of the kidney stone. Bacteria may play important roles by influencing renal Ca2+-related ion channel activities, resulting in chronic inflammation of the kidney along with rapid aggregation of stones. We examined the correlation among infection-promoted CaOx kidney stones and alterations in Ca2+-related ion channels in an animal model with experimentally induced Proteus mirabilis and foreign body infection. After the bladder was infected for 7 days, the data demonstrated that stones were presented and induced severe renal tubular breakage as well as altered levels of monocyte chemoattractant protein-1, cyclooxygenase-2, osteopontin, and transient receptor potential vanilloid member 5 expression, reflecting responses of kidney ion channels. Monocyte chemoattractant protein-1, osteopontin, and transient receptor potential vanilloid member 5 expression was significantly downregulated over time, indicating the chronic inflammation phase of the kidney and accelerated aggregation of CaOx crystals, respectively, whereas cyclooxygenase-2 exhibited no differences. These results indicated that bacterial infection is considerably correlated with an alteration in renal Ca2+-related ion channels and might support specific and targeted Ca2+-related ion channel-based therapeutics for urolithiasis and related inflammatory renal damage.
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Affiliation(s)
- Juin-Hong Cherng
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan, Republic of China.,Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan, Republic of China
| | - Yu-Juei Hsu
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Chuan-Chieh Liu
- Department of Cardiology, Cardinal Tien Hospital, Taipei, Taiwan, Republic of China
| | - Shou-Hung Tang
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Dewi Sartika
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Shu-Jen Chang
- Division of Rheumatology/Immunology/Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Gang-Yi Fan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Sheng-Tang Wu
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - En Meng
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
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Osteopontin mediates murine transfusion-related acute lung injury via stimulation of pulmonary neutrophil accumulation. Blood 2019; 134:74-84. [PMID: 31076444 DOI: 10.1182/blood.2019000972] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 05/02/2019] [Indexed: 01/18/2023] Open
Abstract
Transfusion-related acute lung injury (TRALI) is one of the leading causes of transfusion-related fatalities and is characterized by the onset of acute respiratory distress within 6 hours upon blood transfusion. Specific therapies are unavailable. Preexisting inflammation is a risk factor for TRALI and neutrophils (polymorphonuclear neutrophils [PMNs]) are considered to be the major pathogenic cells. Osteopontin (OPN) is a multifunctional protein expressed at sites of inflammation and, for example, is involved in pulmonary disorders, can regulate cellular migration, and can function as a PMN chemoattractant. We investigated whether OPN is involved in TRALI induction by promoting PMN recruitment to the lungs. Using a previously established murine TRALI model, we found that in contrast to wild-type (WT) mice, OPN knockout (KO) mice were resistant to antibody-mediated PMN-dependent TRALI induction. Administration of purified OPN to the OPN KO mice, however, restored the TRALI response and pulmonary PMN accumulation. Alternatively, blockade of OPN in WT mice using an anti-OPN antibody prevented the onset of TRALI induction. Using pulmonary immunohistochemistry, OPN could be specifically detected in the lungs of mice that suffered from TRALI. The OPN-mediated TRALI response seemed dependent on macrophages, likely the cellular source of OPN and OPN polymerization, and independent from the OPN receptor CD44, interleukin 6 (IL-6), and other PMN chemoattractants including macrophage inflammatory protein-2 (MIP-2). These data indicate that OPN is critically required for induction of antibody-mediated murine TRALI through localization to the lungs and stimulation of pulmonary PMN recruitment. This suggests that anti-OPN antibody therapy may be a potential therapeutic strategy to explore in TRALI patients.
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Bruschi M, Granata S, Santucci L, Candiano G, Fabris A, Antonucci N, Petretto A, Bartolucci M, Del Zotto G, Antonini F, Ghiggeri GM, Lupo A, Gambaro G, Zaza G. Proteomic Analysis of Urinary Microvesicles and Exosomes in Medullary Sponge Kidney Disease and Autosomal Dominant Polycystic Kidney Disease. Clin J Am Soc Nephrol 2019; 14:834-843. [PMID: 31018934 PMCID: PMC6556712 DOI: 10.2215/cjn.12191018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 03/07/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND OBJECTIVES Microvesicles and exosomes are involved in the pathogenesis of autosomal dominant polycystic kidney disease. However, it is unclear whether they also contribute to medullary sponge kidney, a sporadic kidney malformation featuring cysts, nephrocalcinosis, and recurrent kidney stones. We addressed this knowledge gap by comparative proteomic analysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS The protein content of microvesicles and exosomes isolated from the urine of 15 patients with medullary sponge kidney and 15 patients with autosomal dominant polycystic kidney disease was determined by mass spectrometry followed by weighted gene coexpression network analysis, support vector machine learning, and partial least squares discriminant analysis to compare the profiles and select the most discriminative proteins. The proteomic data were verified by ELISA. RESULTS A total of 2950 proteins were isolated from microvesicles and exosomes, including 1579 (54%) identified in all samples but only 178 (6%) and 88 (3%) specific for medullary sponge kidney microvesicles and exosomes, and 183 (6%) and 98 (3%) specific for autosomal dominant polycystic kidney disease microvesicles and exosomes, respectively. The weighted gene coexpression network analysis revealed ten modules comprising proteins with similar expression profiles. Support vector machine learning and partial least squares discriminant analysis identified 34 proteins that were highly discriminative between the diseases. Among these, CD133 was upregulated in exosomes from autosomal dominant polycystic kidney disease and validated by ELISA. CONCLUSIONS Our data indicate a different proteomic profile of urinary microvesicles and exosomes in patients with medullary sponge kidney compared with patients with autosomal dominant polycystic kidney disease. The urine proteomic profile of patients with autosomal dominant polycystic kidney disease was enriched of proteins involved in cell proliferation and matrix remodeling. Instead, proteins identified in patients with medullary sponge kidney were associated with parenchymal calcium deposition/nephrolithiasis and systemic metabolic derangements associated with stones formation and bone mineralization defects. PODCAST This article contains a podcast at https://www.asn-online.org/media/podcast/CJASN/2019_04_24_CJASNPodcast_19_06_.mp3.
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Affiliation(s)
- Maurizio Bruschi
- Division of Nephrology, Dialysis, and Transplantation, Laboratory of Molecular Nephrology
| | - Simona Granata
- Renal Unit, Department of Medicine, University Hospital of Verona, Verona, Italy; and
| | - Laura Santucci
- Division of Nephrology, Dialysis, and Transplantation, Laboratory of Molecular Nephrology
| | - Giovanni Candiano
- Division of Nephrology, Dialysis, and Transplantation, Laboratory of Molecular Nephrology
| | - Antonia Fabris
- Renal Unit, Department of Medicine, University Hospital of Verona, Verona, Italy; and
| | - Nadia Antonucci
- Renal Unit, Department of Medicine, University Hospital of Verona, Verona, Italy; and
| | | | | | | | | | - Gian Marco Ghiggeri
- Division of Nephrology, Dialysis and Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico, Istituto Giannina Gaslini, Genoa, Italy
| | - Antonio Lupo
- Renal Unit, Department of Medicine, University Hospital of Verona, Verona, Italy; and
| | - Giovanni Gambaro
- Division of Nephrology and Dialysis, School of Medicine, Columbus-Gemelli University Hospital Catholic University, Rome, Italy
| | - Gianluigi Zaza
- Renal Unit, Department of Medicine, University Hospital of Verona, Verona, Italy; and
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Yang X, Yang T, Li J, Yang R, Qi S, Zhao Y, Li L, Li J, Zhang X, Yang K, Xu Y, Liu C. Metformin prevents nephrolithiasis formation by inhibiting the expression of OPN and MCP-1 in vitro and in vivo. Int J Mol Med 2019; 43:1611-1622. [PMID: 30720053 PMCID: PMC6414169 DOI: 10.3892/ijmm.2019.4084] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 01/16/2019] [Indexed: 11/30/2022] Open
Abstract
Treatment targeting osteopontin (OPN) and monocyte chemoattractant protein 1 (MCP-1) has been recognized as a novel approach in renal crystal formation. The present study was designed to investigate the suppressive effects of metformin on nephrolithiasis formation and its potential mechanism. The cytotoxicity of metformin on MDCK and HK-2 cells was determined using a Cell Counting Kit-8 assay in vitro. Subsequently, the mRNA transcription and protein expression levels of MCP-1 and OPN were detected by reverse transcription-quantitative-polymerase chain reaction analysis, western blot analysis and ELISA. Male Sprague-Dawley rats were divided into a control group, ethylene glycol (EG) group and EG + metformin group. The expression levels of MCP-1 and OPN and crystal formations were evaluated in renal tissues following an 8-week treatment period. In vitro, metformin significantly inhibited the production of MCP-1 and OPN induced by oxalate at the mRNA and protein expression levels. In vivo, increased expression levels of MCP-1 and OPN were detected in the EG group compared with the controls, and this upregulation was reversed in the EG + metformin group. Renal crystal deposition in the EG + metformin group was markedly decreased compared with that in the EG group. Therefore, the results of the study suggest that metformin suppressed urinary crystal deposit formation, possibly by mediating the expression of inflammatory mediators OPN and MCP-1.
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Affiliation(s)
- Xiong Yang
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Tong Yang
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Jie Li
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Rui Yang
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Shiyong Qi
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Yang Zhao
- Department of Radiology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Liang Li
- Department of Radiology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Jingjin Li
- Department of Radiology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Xuening Zhang
- Department of Radiology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Kuo Yang
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Yong Xu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
| | - Chunyu Liu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Hexi, Tianjin 300211, P.R. China
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Guha M, Banerjee H, Mitra P, Das M. The Demographic Diversity of Food Intake and Prevalence of Kidney Stone Diseases in the Indian Continent. Foods 2019; 8:E37. [PMID: 30669549 PMCID: PMC6352122 DOI: 10.3390/foods8010037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/23/2018] [Accepted: 12/24/2018] [Indexed: 01/14/2023] Open
Abstract
Food intake plays a pivotal role in human growth, constituting 45% of the global economy and wellbeing in general. The consumption of a balanced diet is essential for overall good health, and a lack of equilibrium can lead to malnutrition, prenatal death, obesity, osteoporosis and bone fractures, coronary heart diseases (CHD), idiopathic hypercalciuria, diabetes, and many other conditions. CHD, osteoporosis, malnutrition, and obesity are extensively discussed in the literature, although there are fragmented findings in the realm of kidney stone diseases (KSD) and their correlation with food intake. KSD associated with hematuria and renal failure poses an increasing threat to healthcare infrastructures and the global economy, and its emergence in the Indian population is being linked to multi-factorial urological disorder resulting from several factors. In this realm, epidemiological, biochemical, and macroeconomic situations have been the focus of research, even though food intake is also of paramount importance. Hence, in this article, we review the corollary associations with the consumption of diverse foods and the role that these play in KSD in an Indian context.
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Affiliation(s)
- Manalee Guha
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
| | - Hritwick Banerjee
- Department of Biomedical Engineering, Faculty of Engineering, 4 Engineering Drive 3, National University of Singapore, Singapore 117583, Singapore.
| | - Pubali Mitra
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
| | - Madhusudan Das
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
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Icer MA, Gezmen-Karadag M, Sozen S. Response to the letter to the editor: Urine osteopontin: A biomarker for diagnosis of nephrolithiasis? Clin Biochem 2019; 63:153. [DOI: 10.1016/j.clinbiochem.2018.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 09/18/2018] [Accepted: 09/18/2018] [Indexed: 10/28/2022]
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