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Kaneko K, Yasuda M, Fukuuchi T, Yamaoka N, Takahashi K, Mawatari KI, Isotani S, Horie S, Nakagawa T. Plasma levels and urinary excretion of protein Z in patients with urolithiasis. Int J Urol 2023; 30:1188-1193. [PMID: 37602692 DOI: 10.1111/iju.15277] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 08/02/2023] [Indexed: 08/22/2023]
Abstract
OBJECTIVES Protein Z (PZ) is a γ-carboxyglutamic acid protein present in plasma that is involved in blood coagulation. Detailed analysis of urinary stones from patients with urolithiasis has revealed that PZ is often found in urinary stones composed of calcium oxalate monohydrate. In this study, we compared blood and urinary PZ concentrations between healthy individuals and patients with urolithiasis. METHODS Plasma and urine were collected from healthy individuals and patients with urolithiasis who provided informed consent. PZ was detected as a urinary stone matrix protein in some of the patients. PZ was quantified by ELISA, creatinine was measured by the enzymatic method, and the total protein concentration was measured by the Bradford method. RESULTS The plasma PZ level was 2.54 ± 1.02 μg/mL in healthy individuals and that in urolithiasis patients classified by stone history were from 1.16 ± 0.77 to 3.73 ± 1.09 μg/mL, which was not significantly different. The urinary excretion of PZ (PZ/creatinine) was also not different in patients with urolithiasis and in healthy individuals (from 54.1 ± 40.9 to 95.4 ± 69.4 ng/mg vs. 73.3 ± 36.0 ng/mg). A positive correlation was found between the plasma PZ level and creatinine-corrected urinary PZ concentration (r = 0.46). CONCLUSIONS Both the plasma level and urinary excretion of PZ in urolithiasis patients were not significantly different with normal individuals. PZ detected in urinary stones as a matrix protein is thought to be incorporated into urinary stones regardless of blood and urine levels of PZ.
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Affiliation(s)
- Kiyoko Kaneko
- Faculty of Pharmaceutical Sciences, Teikyo Heisei University, Tokyo, Japan
- The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Makoto Yasuda
- The Laboratory of Analytical Biochemistry, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Tomoko Fukuuchi
- The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Noriko Yamaoka
- The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Kei Takahashi
- The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Ken-Ichi Mawatari
- The Laboratory of Analytical Biochemistry, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Shuji Isotani
- Department of Urology, Juntendo University School of Medicine, Tokyo, Japan
| | - Shigeo Horie
- Department of Urology, Juntendo University School of Medicine, Tokyo, Japan
| | - Tohru Nakagawa
- Department of Urology, Teikyo University School of Medicine, Tokyo, Japan
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Wu X, You C. The biomarkers discovery of hyperuricemia and gout: proteomics and metabolomics. PeerJ 2023; 11:e14554. [PMID: 36632144 PMCID: PMC9828291 DOI: 10.7717/peerj.14554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 11/21/2022] [Indexed: 01/09/2023] Open
Abstract
Background Hyperuricemia and gout are a group of disorders of purine metabolism. In recent years, the incidence of hyperuricemia and gout has been increasing, which is a severe threat to people's health. Several studies on hyperuricemia and gout in proteomics and metabolomics have been conducted recently. Some literature has identified biomarkers that distinguish asymptomatic hyperuricemia from acute gout or remission of gout. We summarize the physiological processes in which these biomarkers may be involved and their role in disease progression. Methodology We used professional databases including PubMed, Web of Science to conduct the literature review. This review addresses the current landscape of hyperuricemia and gout biomarkers with a focus on proteomics and metabolomics. Results Proteomic methods are used to identify differentially expressed proteins to find specific biomarkers. These findings may be suggestive for the diagnosis and treatment of hyperuricemia and gout to explore the disease pathogenesis. The identified biomarkers may be mediators of the link between hyperuricemia, gout and kidney disease, metabolic syndrome, diabetes and hypertriglyceridemia. Metabolomics reveals the main influential pathways through small molecule metabolites, such as amino acid metabolism, lipid metabolism, or other characteristic metabolic pathways. These studies have contributed to the discovery of Chinese medicine. Some traditional Chinese medicine compounds can improve the metabolic disorders of the disease. Conclusions We suggest some possible relationships of potential biomarkers with inflammatory episodes, complement activation, and metabolic pathways. These biomarkers are able to distinguish between different stages of disease development. However, there are relatively few proteomic as well as metabolomic studies on hyperuricemia and gout, and some experiments are only primary screening tests, which need further in-depth study.
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Affiliation(s)
- Xinghong Wu
- Laboratory Medicine Center, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Chongge You
- Laboratory Medicine Center, Lanzhou University Second Hospital, Lanzhou, Gansu, 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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James A, Ke H, Yao T, Wang Y. The Role of Probiotics in Purine Metabolism, Hyperuricemia and Gout: Mechanisms and Interventions. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1904412] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Armachius James
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
| | - Hengming Ke
- Department of Biochemistry and Biophysics and Lineberger Comprehensive Centre, The University of North Carolina, Chapel Hill, USA
| | - Ting Yao
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
| | - Yousheng Wang
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
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Differential bound proteins and adhesive capabilities of calcium oxalate monohydrate crystals with various sizes. Int J Biol Macromol 2020; 163:2210-2223. [PMID: 32956748 DOI: 10.1016/j.ijbiomac.2020.09.085] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/02/2020] [Accepted: 09/12/2020] [Indexed: 12/22/2022]
Abstract
Adhesion of calcium oxalate (CaOx) crystals onto renal tubular epithelial cells is one of the critical steps in kidney stone formation. However, effects of crystal size on the crystal adhesive capability remained unclear. This study compared the adhesive capabilities of CaOx monohydrate (COM) crystals with various sizes (<10 μm, 20-30 μm, 50-60 μm, and > 80 μm). Crystal-cell adhesion assay showed size-dependent increase of COM crystal adhesion onto epithelial cell surface using the larger crystals. Identification of apical membrane proteins that could bind to COM crystals by tandem mass spectrometry (nanoLC-ESI-ETD MS/MS) demonstrated size-specific sets of the COM crystal-binding proteins. Among these, numbers of known oxalate-binding proteins and COM crystal receptors were greatest in the set of the largest size (>80 μm). Atomic force microscopy (AFM) revealed that adhesive forces between carboxylic-immobilized AFM tip and COM crystal surface and between COM-mounted AFM tip and renal epithelial cell surface were size-dependent (greater for the larger crystals). In summary, the adhesive capability of COM crystals is size-dependent - the larger the greater adhesive capability. These data may help better understanding of the pathogenic mechanisms of kidney stone formation at an initial stage when renal tubular cells are exposed to various sizes of COM crystals.
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Linking 24-h urines to clinical phenotypes: what alternatives does the future bring? Curr Opin Urol 2019; 30:177-182. [PMID: 31834081 DOI: 10.1097/mou.0000000000000702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The 24-h urine test is recommended as part of the metabolic evaluation for patients with nephrolithiasis to guide preventive interventions. However, this test may be challenging to interpret and has limits in its predictive ability. In this review, we summarize and discuss the most recent research on the opportunities and challenges for utilizing urinary biomarkers for kidney stone prevention. RECENT FINDINGS Contemporary studies utilizing the 24-h urine test have improved our understanding of how to better administer testing and interpret test results. Beyond the standard panel of 24-h urine parameters, recent applications of proteomics and metabolomics have identified protein and metabolic profiles of stone formers. These profiles can be assayed in future studies as potential biomarkers for risk stratification and prediction. Broad collaborative efforts to create large datasets and biobanks from kidney stone formers will be invaluable for kidney stone research. SUMMARY Recent advances in our understanding of kidney stone risk have opened opportunities to improve metabolic testing for kidney stone formers. These strategies do not appear to be mutually exclusive of 24-h urine testing but instead complementary in their approach. Finally, large clinical datasets hold promise to be leveraged to identify new avenues for stone prevention.
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