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Jin J, Zhang M. Research progress on the role of extracellular vesicles in the pathogenesis of diabetic kidney disease. Ren Fail 2024; 46:2352629. [PMID: 38769599 PMCID: PMC11107856 DOI: 10.1080/0886022x.2024.2352629] [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: 03/01/2024] [Accepted: 05/02/2024] [Indexed: 05/22/2024] Open
Abstract
Diabetic kidney disease (DKD) is a serious complication of diabetes mellitus (DM) and has become the main cause of end-stage renal disease worldwide. In recent years, with the increasing incidence of DM, the pathogenesis of DKD has received increasing attention. The pathogenesis of DKD is diverse and complex. Extracellular vesicles (EVs) contain cell-derived membrane proteins, nucleic acids (such as DNA and RNA) and other important cellular components and are involved in intercellular information and substance transmission. In recent years, an increasing number of studies have confirmed that EVs play an important role in the development of DKD. The purpose of this paper is to explain the potential diagnostic value of EVs in DKD, analyze the mechanism by which EVs participate in intercellular communication, and explore whether EVs may become drug carriers for targeted therapy to provide a reference for promoting the implementation and application of exosome therapy strategies in clinical practice.
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Affiliation(s)
- Jiangyuan Jin
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Mianzhi Zhang
- Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
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Fukuda A, Sato Y, Shibata H, Fujimoto S, Wiggins RC. Urinary podocyte markers of disease activity, therapeutic efficacy, and long-term outcomes in acute and chronic kidney diseases. Clin Exp Nephrol 2024; 28:496-504. [PMID: 38402504 PMCID: PMC11116200 DOI: 10.1007/s10157-024-02465-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 01/14/2024] [Indexed: 02/26/2024]
Abstract
A critical degree of podocyte depletion causes glomerulosclerosis, and persistent podocyte loss in glomerular diseases drives the progression to end-stage kidney disease. The extent of podocyte injury at a point in time can be histologically assessed by measuring podocyte number, size, and density ("Biopsy podometrics"). However, repeated invasive renal biopsies are associated with increased risk and cost. A noninvasive method for assessing podocyte injury and depletion is required. Albuminuria and proteinuria do not always correlate with disease activity. Podocytes are located on the urinary space side of the glomerular basement membrane, and as they undergo stress or detach, their products can be identified in urine. This raises the possibility that urinary podocyte products can serve as clinically useful markers for monitoring glomerular disease activity and progression ("Urinary podometrics"). We previously reported that urinary sediment podocyte mRNA reflects disease activity in both animal models and human glomerular diseases. This includes diabetes and hypertension which together account for 60% of new-onset dialysis induction patients. Improving approaches to preventing progression is an urgent priority for the renal community. Sufficient evidence now exists to indicate that monitoring urinary podocyte markers could serve as a useful adjunctive strategy for determining the level of current disease activity and response to therapy in progressive glomerular diseases.
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Affiliation(s)
- Akihiro Fukuda
- Department of Endocrinology, Metabolism, Rheumatology and Nephrology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-Machi, Yufu City, Oita, 879-5593, Japan.
| | - Yuji Sato
- Division of Nephrology, Department of Internal Medicine, National Health Insurance Takachiho Town Hospital, Takachiho, Miyazaki, Japan
| | - Hirotaka Shibata
- Department of Endocrinology, Metabolism, Rheumatology and Nephrology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-Machi, Yufu City, Oita, 879-5593, Japan
| | - Shouichi Fujimoto
- Department of Medical Environment Innovation, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Roger C Wiggins
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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Wang B, Fu YQ, Xie LJ, Cao JY, Yang M, Li M, Chen TL, Zhang XL, Luo Q, Lv LL, Liu BC. Measurement of urinary exosomal phospholipase A2 receptor is a sensitive method for diagnosis of PLA2R-associated membranous nephropathy. Clin Kidney J 2024; 17:sfad191. [PMID: 38186888 PMCID: PMC10768785 DOI: 10.1093/ckj/sfad191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Indexed: 01/09/2024] Open
Abstract
Background The discovery of phospholipase A2 receptor (PLA2R) and its antibody (aPLA2Rab) has paved the way for diagnosing PLA2R-associated membranous nephropathy (PLA2R-MN) with a high specificity of 98%. However, the sensitivity was only 40% to 83.9%, and there is ongoing discussion around determining the optimal threshold for diagnosis. Recent advancements in the use of exosomes, a novel form of "liquid biopsy," have shown great promise in identifying markers for various medical conditions. Methods Protein mass spectrometry and western blot were applied to verify the existence of PLA2R antigen in the urine exosome. We then evaluated the efficacy of urinary exosomal PLA2R antigen alone or combined with serum aPLA2Rab level to diagnose PLA2R-MN. Results The urinary exosomes contained a high abundance of PLA2R antigen as evidenced by protein mass spectrometry and western blot in 85 PLA2R-MN patients vs the disease controls (14 secondary MN patients, 22 non-MN patients and 4 PLA2R-negative MN patients) and 20 healthy controls. Of note, urinary exosomal PLA2R antigen abundance also had a good consistency with the PLA2R antigen level in the renal specimens of PLA2R-MN patients. The sensitivity of urinary exosomal PLA2R for diagnosing PLA2R-MN reached 95.4%, whereas the specificity was 63.3%. Combining detection of the urinary exosomal PLA2R and serum aPLA2Rab could develop a more sensitive diagnostic method for PLA2R-MN, especially for patients with serum aPLA2Rab ranging from 2 to 20 RU/mL. Conclusions Measurement of urinary exosomal PLA2R could be a sensitive method for the diagnosis of PLA2R-MN.
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Affiliation(s)
- Bin Wang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yu-Qi Fu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Li-jun Xie
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Jin-Yuan Cao
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
- Department of Nephrology, Fifth Affiliated Hospital of Nantong University, Taizhou, China
| | - Min Yang
- Department of Nephrology, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Min Li
- Department of Nephrology, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Tian-Lei Chen
- Department of Nephrology, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Xiao-Liang Zhang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Qian Luo
- Bionic Sensing and Intelligence Center, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
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Li S, Zheng S, Li J, Lin S, Li H, Wang P, Chen P, Ma C, Liu Y. Research progress on extracellular vesicles in the renal tubular injury of diabetic kidney disease. Front Endocrinol (Lausanne) 2023; 14:1257430. [PMID: 37732129 PMCID: PMC10507342 DOI: 10.3389/fendo.2023.1257430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 08/08/2023] [Indexed: 09/22/2023] Open
Abstract
Diabetic kidney disease (DKD) is a severe microvascular complication of diabetes and is a chronic progressive condition. It is also a common cause of end-stage renal disease (ESRD), which is characterized by proteinuria or a progressive decline in the glomerular filtration rate. Due to their dependence on high-energy and aerobic metabolism, renal tubules are more susceptible to the metabolic disturbances associated with DKD, leading to inflammation and fibrosis. Consequently, tubular injury has become a recent research focus, and significant advancements have been made in studying the role of extracellular vesicles in DKD-associated tubular injury. This review aimed to elucidate the mechanisms and potential applications of different types of extracellular vesicles in tubular injury in DKD to provide new insights for the prevention and treatment of DKD.
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Affiliation(s)
- Shengjie Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Shanshan Zheng
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Jiao Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Binzhou People’s Hospital Affiliated to Shandong First Medical University, Binzhou, China
| | - Sen Lin
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Hao Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Ping Wang
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
| | - Ping Chen
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
| | - Chaoqun Ma
- Department of Emergency Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yipeng Liu
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
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Harada H, Fukuzawa N, Abe T, Imamura R, Masaki N, Fujiyama N, Sato S, Hatakeyama S, Nishimura K, Kishikawa H, Iwami D, Hotta K, Miura M, Ide K, Nakamura M, Kosoku A, Uchida J, Murakami T, Tsuji T. Development and nationwide validation of kidney graft injury markers using urinary exosomes and microvesicles (complete English translation of the Japanese version). BMC Nephrol 2023; 24:158. [PMID: 37280521 DOI: 10.1186/s12882-023-03189-z] [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: 09/23/2022] [Accepted: 04/27/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Non-invasive, prompt, and proper detection tools for kidney graft injuries (KGIs) are awaited to ensure graft longevity. We screened diagnostic biomarkers for KGIs following kidney transplantation using extracellular vesicles (EVs; exosomes and microvesicles) from the urine samples of patients. METHODS One hundred and twenty-seven kidney recipients at 11 Japanese institutions were enrolled in this study; urine samples were obtained prior to protocol/episode biopsies. EVs were isolated from urine samples, and EV RNA markers were assayed using quantitative reverse transcription polymerase chain reaction. Diagnostic performance of EV RNA markers and diagnostic formulas comprising these markers were evaluated by comparison with the corresponding pathological diagnoses. RESULTS EV CXCL9, CXCL10, and UMOD were elevated in T-cell-mediated rejection samples compared with other KGI samples, while SPNS2 was elevated in chronic antibody-mediated rejection (cABMR) samples. A diagnostic formula developed through Sparse Logistic Regression analysis using EV RNA markers allowed us to accurately (with an area under the receiver operator characteristic curve [AUC] of 0.875) distinguish cABMR from other KGI samples. EV B4GALT1 and SPNS2 were also elevated in cABMR, and a diagnostic formula using these markers was able to distinguish between cABMR and chronic calcineurin toxicity accurately (AUC 0.886). In interstitial fibrosis and tubular atrophy (IFTA) urine samples and those with high Banff chronicity score sums (BChS), POTEM levels may reflect disease severity, and diagnostic formulas using POTEM detected IFTA (AUC 0.830) and high BChS (AUC 0.850). CONCLUSIONS KGIs could be diagnosed with urinary EV mRNA analysis with relatively high accuracy.
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Affiliation(s)
- Hiroshi Harada
- Department of Kidney Transplant Surgery, Sapporo City General Hospital, 1-1 Kita 11-jo Nishi 13-chome, Chuou- ku, Sapporo, Hokkaido, 060-8604, Japan.
- Harada Urological Clinic, 4F Hokuyaku Bldg., 1-1 Kita 11-jo Nishi 14-chome, Chuou-ku, Sapporo, Hokkaido, 060-0011, Japan.
| | - Nobuyuki Fukuzawa
- Department of Kidney Transplant Surgery, Sapporo City General Hospital, 1-1 Kita 11-jo Nishi 13-chome, Chuou- ku, Sapporo, Hokkaido, 060-8604, Japan
| | - Toyofumi Abe
- Department of Urology, Graduate School of Medicine, Faculty of Medicine, Osaka University, 1 Machikaneyama- cho, Toyonaka, Osaka, 560-0043, Japan
| | - Ryoichi Imamura
- Department of Urology, Graduate School of Medicine, Faculty of Medicine, Osaka University, 1 Machikaneyama- cho, Toyonaka, Osaka, 560-0043, Japan
| | - Noriyuki Masaki
- Department of Kidney Surgery, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162- 8666, Japan
| | - Nobuhiro Fujiyama
- Department of Center for Kidney Disease and Transplantation, Akita University Hospital, 44-2 Hiroomote Azahasunuma, Akita, Akita, 010-8543, Japan
| | - Shigeru Sato
- Department of Center for Kidney Disease and Transplantation, Akita University Hospital, 44-2 Hiroomote Azahasunuma, Akita, Akita, 010-8543, Japan
| | - Shingo Hatakeyama
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan
| | - Kenji Nishimura
- Department of Urology, Hyogo Prefectural Nishinomiya Hospital, 13-9 Rokutanji-cho, Nishinomiya, Hyogo, Japan
| | - Hidefumi Kishikawa
- Department of Urology, Hyogo Prefectural Nishinomiya Hospital, 13-9 Rokutanji-cho, Nishinomiya, Hyogo, Japan
| | - Daiki Iwami
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, 3311-1, Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan
| | - Kiyohiko Hotta
- Department of Renal and Genitourinary Surgery, Graduate School of Medicine, Hokkaido University, Kita 15-jo Nishi 7-chome, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan
| | - Masayoshi Miura
- Department of Kidney Transplant Surgery, Sapporo Hokuyu Hospital, 5-1 Higashi-sapporo 6-jo 6-chome, Shiroishi- ku, Sapporo, Hokkaido, 003-0006, Japan
| | - Kentaro Ide
- Department of Gastroenterological and Transplant Surgery, Graduate School of Biochemical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Michio Nakamura
- Department of Transplant Surgery, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan
| | - Akihiro Kosoku
- Department of Urology, Osaka Metropolitan University Graduate School of Medicine, 1-4-3, Asahi-Machi, Abeno-ku, Osaka, Osaka, 545- 8585, Japan
| | - Junji Uchida
- Department of Urology, Osaka Metropolitan University Graduate School of Medicine, 1-4-3, Asahi-Machi, Abeno-ku, Osaka, Osaka, 545- 8585, Japan
| | - Taku Murakami
- R&D Center, Hitachi Chemical Co. America, Ltd. 1003 Health Sciences Road, Irvine, CA, 92617, USA
| | - Takahiro Tsuji
- Department of Pathology, Sapporo City General Hospital, 1-1 Kita 11-jo Nishi 13-chome, Chuou-ku, Sapporo, Hokkaido, 060-8604, Japan
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Sequeira-Antunes B, Ferreira HA. Urinary Biomarkers and Point-of-Care Urinalysis Devices for Early Diagnosis and Management of Disease: A Review. Biomedicines 2023; 11:biomedicines11041051. [PMID: 37189669 DOI: 10.3390/biomedicines11041051] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/10/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Biosensing and microfluidics technologies are transforming diagnostic medicine by accurately detecting biomolecules in biological samples. Urine is a promising biological fluid for diagnostics due to its noninvasive collection and wide range of diagnostic biomarkers. Point-of-care urinalysis, which integrates biosensing and microfluidics, has the potential to bring affordable and rapid diagnostics into the home to continuing monitoring, but challenges still remain. As such, this review aims to provide an overview of biomarkers that are or could be used to diagnose and monitor diseases, including cancer, cardiovascular diseases, kidney diseases, and neurodegenerative disorders, such as Alzheimer’s disease. Additionally, the different materials and techniques for the fabrication of microfluidic structures along with the biosensing technologies often used to detect and quantify biological molecules and organisms are reviewed. Ultimately, this review discusses the current state of point-of-care urinalysis devices and highlights the potential of these technologies to improve patient outcomes. Traditional point-of-care urinalysis devices require the manual collection of urine, which may be unpleasant, cumbersome, or prone to errors. To overcome this issue, the toilet itself can be used as an alternative specimen collection and urinalysis device. This review then presents several smart toilet systems and incorporated sanitary devices for this purpose.
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Abbasi Sourki P, Pourfathollah AA, Kaviani S, Soufi Zomorrod M, Ajami M, Wollenberg B, Multhoff G, Bashiri Dezfouli A. The profile of circulating extracellular vesicles depending on the age of the donor potentially drives the rejuvenation or senescence fate of hematopoietic stem cells. Exp Gerontol 2023; 175:112142. [PMID: 36921675 DOI: 10.1016/j.exger.2023.112142] [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: 06/18/2022] [Revised: 03/06/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023]
Abstract
Blood donor age has become a major concern due to the age-associated variations in the content and concentration of circulating extracellular nano-sized vesicles (EVs), including exosomes. These EVs mirror the state of their parental cells and transfer it to the recipient cells via biological messengers such as microRNAs (miRNAs, miRs). Since the behavior of hematopoietic stem cells (HSCs) is potentially affected by the miRs of plasma-derived EVs, a better understanding of the content of EVs is important for the safety and efficacy perspectives in blood transfusion medicine. Herein, we investigated whether the plasma-derived EVs of young (18-25 years) and elderly human donors (45-60 years) can deliver "youth" or "aging" signals into human umbilical cord blood (hUCB)-derived HSCs in vitro. The results showed that EVs altered the growth functionality and differentiation of HSCs depending on the age of the donor from which they are derived. EVs of young donors could ameliorate the proliferation and self-renewal potential of HSCs whereas those of aged donors induced senescence-associated differentiation in the target cells, particularly toward the myeloid lineage. These findings were confirmed by flow cytometric analysis of surface markers and microarray profiling of genes related to stemness (e.g., SOX-1, Nanog) and differentiation (e.g., PU-1). The results displayed an up-regulation of miR-29 and miR-96 and a down-regulation of miR-146 in EVs derived from elderly donors. The higher expression of miR-29 and miR-96 contributed to the diminished expression of CDK-6 and CDKN1A (p21), promoting senescence fate via cell growth suppression, while the lower expression of miR-146 positively regulates TRAF-6 expression to accelerate biological aging. Our findings reveal that plasma-derived EVs from young donors can reverse the aging-associated changes in HSCs, while vice versa, the EVs from elderly donors rather promote the senescence process.
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Affiliation(s)
- Parvaneh Abbasi Sourki
- Department of Hematology, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran
| | - Ali Akbar Pourfathollah
- Department of Immunology, Faculty of Medical Science, Tarbiat Modares University Tehran, Iran.
| | - Saeed Kaviani
- Department of Hematology, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran
| | - Mina Soufi Zomorrod
- Department of Cell Science, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran
| | - Mansoureh Ajami
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Barbara Wollenberg
- Department of Otorhinolaryngology, Technische Universität München and Klinikum Rechts der Isar, Munich, Germany
| | - Gabriele Multhoff
- Central Institute for Translational Cancer Research Technische Universität München (TranslaTUM), Department of Radiation Oncology, Klinikum Rechts der Isar, Munich, Germany.
| | - Ali Bashiri Dezfouli
- Department of Otorhinolaryngology, Technische Universität München and Klinikum Rechts der Isar, Munich, Germany; Central Institute for Translational Cancer Research Technische Universität München (TranslaTUM), Department of Radiation Oncology, Klinikum Rechts der Isar, Munich, Germany
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8
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Tepus M, Tonoli E, Verderio EAM. Molecular profiling of urinary extracellular vesicles in chronic kidney disease and renal fibrosis. Front Pharmacol 2023; 13:1041327. [PMID: 36712680 PMCID: PMC9877239 DOI: 10.3389/fphar.2022.1041327] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 12/21/2022] [Indexed: 01/13/2023] Open
Abstract
Chronic kidney disease (CKD) is a long-term kidney damage caused by gradual loss of essential kidney functions. A global health issue, CKD affects up to 16% of the population worldwide. Symptoms are often not apparent in the early stages, and if left untreated, CKD can progress to end-stage kidney disease (ESKD), also known as kidney failure, when the only possible treatments are dialysis and kidney transplantation. The end point of nearly all forms of CKD is kidney fibrosis, a process of unsuccessful wound-healing of kidney tissue. Detection of kidney fibrosis, therefore, often means detection of CKD. Renal biopsy remains the best test for renal scarring, despite being intrinsically limited by its invasiveness and sampling bias. Urine is a desirable source of fibrosis biomarkers as it can be easily obtained in a non-invasive way and in large volumes. Besides, urine contains biomolecules filtered through the glomeruli, mirroring the pathological state. There is, however, a problem of highly abundant urinary proteins that can mask rare disease biomarkers. Urinary extracellular vesicles (uEVs), which originate from renal cells and carry proteins, nucleic acids, and lipids, are an attractive source of potential rare CKD biomarkers. Their cargo consists of low-abundant proteins but highly concentrated in a nanosize-volume, as well as molecules too large to be filtered from plasma. Combining molecular profiling data (protein and miRNAs) of uEVs, isolated from patients affected by various forms of CKD, this review considers the possible diagnostic and prognostic value of uEVs biomarkers and their potential application in the translation of new experimental antifibrotic therapeutics.
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Affiliation(s)
- Melanie Tepus
- Centre for Health, Ageing and the Understanding of Disease (CHAUD), School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom
| | - Elisa Tonoli
- Centre for Health, Ageing and the Understanding of Disease (CHAUD), School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom
| | - Elisabetta A. M. Verderio
- Centre for Health, Ageing and the Understanding of Disease (CHAUD), School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom,Department of Biological, Geological, and Environmental Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy,*Correspondence: Elisabetta A. M. Verderio,
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9
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Li G, Huang D, Zou Y, Kidd J, Gehr TWB, Li N, Ritter JK, Li PL. Impaired autophagic flux and dedifferentiation in podocytes lacking Asah1 gene: Role of lysosomal TRPML1 channel. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119386. [PMID: 36302466 PMCID: PMC9869931 DOI: 10.1016/j.bbamcr.2022.119386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
Podocytopathy and associated nephrotic syndrome have been reported in a mouse strain (Asah1fl/fl/Podocre) with a podocyte-specific deletion of α subunit (the main catalytic subunit) of acid ceramidase (Ac). However, the pathogenesis of podocytopathy in these mice remains unclear. The present study tested whether Ac deficiency impairs autophagic flux in podocytes through blockade of transient receptor potential mucolipin 1 (TRPML1) channel as a potential pathogenic mechanism of podocytopathy in Asah1fl/fl/Podocre mice. We first demonstrated that impairment of autophagic flux occurred in podocytes lacking Asah1 gene, which was evidenced by autophagosome accumulation and reduced lysosome-autophagosome interaction. TRPML1 channel agonists recovered lysosome-autophagosome interaction and attenuated autophagosome accumulation in podocytes from Asah1fl/fl/Podocre mice, while TRPML1 channel inhibitors impaired autophagic flux in WT/WT podocytes and worsened autophagic deficiency in podocytes lacking Asah1 gene. The effects of TRPML1 channel agonist were blocked by dynein inhibitors, indicating a critical role of dynein activity in the control of lysosome movement due to TRPML1 channel-mediated Ca2+ release. It was also found that there is an enhanced phenotypic transition to dedifferentiation status in podocytes lacking Asah1 gene in vitro and in vivo. Such podocyte phenotypic transition was inhibited by TRPML1 channel agonists but enhanced by TRPML1 channel inhibitors. Moreover, we found that TRPML1 gene silencing induced autophagosome accumulation and dedifferentiation in podocytes. Based on these results, we conclude that Ac activity is essential for autophagic flux and maintenance of differentiated status of podocytes. Dysfunction or deficiency of Ac may impair autophagic flux and induce podocyte dedifferentiation, which may be an important pathogenic mechanism of podocytopathy and associated nephrotic syndrome.
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Affiliation(s)
- Guangbi Li
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Dandan Huang
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Yao Zou
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Jason Kidd
- Division of Nephrology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Todd W B Gehr
- Division of Nephrology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Ningjun Li
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Joseph K Ritter
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Pin-Lan Li
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA.
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10
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Li J, Zheng S, Ma C, Chen X, Li X, Li S, Wang P, Chen P, Wang Z, Li W, Liu Y. Research progress on exosomes in podocyte injury associated with diabetic kidney disease. Front Endocrinol (Lausanne) 2023; 14:1129884. [PMID: 37020588 PMCID: PMC10067864 DOI: 10.3389/fendo.2023.1129884] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/24/2023] [Indexed: 03/22/2023] Open
Abstract
Diabetic kidney disease (DKD), a common cause of end-stage renal disease, is a serious complication that develops with the progression of chronic diabetes. Its main clinical manifestations are persistent proteinuria and/or a progressive decline in the estimated glomerular filtration rate. Podocytes, terminally differentiated glomerular visceral epithelial cells, constitute the glomerular filtration barrier together with the basement membrane and endothelial cells, and the structural and functional barrier integrity is closely related to proteinuria. In recent years, an increasing number of studies have confirmed that podocyte injury is the central target of the occurrence and development of DKD, and research on exosomes in podocyte injury associated with DKD has also made great progress. The aim of this review is to comprehensively describe the potential diagnostic value of exosomes in podocyte injury associated with DKD, analyze the mechanism by which exosomes realize the communication between podocytes and other types of cells and discuss the possibility of exosomes as targeted therapy drug carriers to provide new targets for and insights into delaying the progression of and treating DKD.
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Affiliation(s)
- Jiao Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Shanshan Zheng
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Chaoqun Ma
- Department of Emergency, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xuexun Chen
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Xuan Li
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Shengjie Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Ping Wang
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
| | - Ping Chen
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
| | - Zunsong Wang
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
| | - Wenbin Li
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
- *Correspondence: Yipeng Liu, ; Wenbin Li,
| | - Yipeng Liu
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Nephrology Research Institute of Shandong Province, Jinan, China
- *Correspondence: Yipeng Liu, ; Wenbin Li,
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Tenchov R, Sasso JM, Wang X, Liaw WS, Chen CA, Zhou QA. Exosomes─Nature's Lipid Nanoparticles, a Rising Star in Drug Delivery and Diagnostics. ACS NANO 2022; 16:17802-17846. [PMID: 36354238 PMCID: PMC9706680 DOI: 10.1021/acsnano.2c08774] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Exosomes are a subgroup of nanosized extracellular vesicles enclosed by a lipid bilayer membrane and secreted by most eukaryotic cells. They represent a route of intercellular communication and participate in a wide variety of physiological and pathological processes. The biological roles of exosomes rely on their bioactive cargos, including proteins, nucleic acids, and lipids, which are delivered to target cells. Their distinctive properties─innate stability, low immunogenicity, biocompatibility, and good biomembrane penetration capacity─allow them to function as superior natural nanocarriers for efficient drug delivery. Another notably favorable clinical application of exosomes is in diagnostics. They hold various biomolecules from host cells, which are indicative of pathophysiological conditions; therefore, they are considered vital for biomarker discovery in clinical diagnostics. Here, we use data from the CAS Content Collection and provide a landscape overview of the current state and delineate trends in research advancement on exosome applications in therapeutics and diagnostics across time, geography, composition, cargo loading, and development pipelines. We discuss exosome composition and pathway, from their biogenesis and secretion from host cells to recipient cell uptake. We assess methods for exosome isolation and purification, their clinical applications in therapy and diagnostics, their development pipelines, the exploration goals of the companies, the assortment of diseases they aim to treat, development stages of their research, and publication trends. We hope this review will be useful for understanding the current knowledge in the field of medical applications of exosomes, in an effort to further solve the remaining challenges in fulfilling their potential.
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Xiang H, Zhang C, Xiong J. Emerging role of extracellular vesicles in kidney diseases. Front Pharmacol 2022; 13:985030. [PMID: 36172178 PMCID: PMC9510773 DOI: 10.3389/fphar.2022.985030] [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: 07/03/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
Many types of renal disease eventually progress to end-stage renal disease, which can only be maintained by renal replacement therapy. Therefore, kidney diseases now contribute significantly to the health care burden in many countries. Many new advances and strategies have been found in the research involving kidney diseases; however, there is still no efficient treatment. Extracellular vesicles (EVs) are cell-derived membrane structures, which contains proteins, lipids, and nucleic acids. After internalization by downstream cells, these components can still maintain functional activity and regulate the phenotype of downstream cells. EVs drive the information exchange between cells and tissues. Majority of the cells can produce EVs; however, its production, contents, and transportation may be affected by various factors. EVs have been proved to play an important role in the occurrence, development, and treatment of renal diseases. However, the mechanism and potential applications of EVs in kidney diseases remain unclear. This review summarizes the latest research of EVs in renal diseases, and provides new therapeutic targets and strategies for renal diseases.
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Thongboonkerd V, Kanlaya R. The divergent roles of exosomes in kidney diseases: Pathogenesis, diagnostics, prognostics and therapeutics. Int J Biochem Cell Biol 2022; 149:106262. [PMID: 35787447 DOI: 10.1016/j.biocel.2022.106262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 06/30/2022] [Indexed: 11/16/2022]
Abstract
Exosomes are the self-packed nanoscale vesicles (nanovesicles) derived from late endosomes and released from the cells to the extracellular milieu. Exosomal biogenesis is based on endosomal pathway to form the nanovesicles surrounded by membrane originated from plasma membranes of the parental cells. During biogenesis, exosomes selectively encapsulate an array of biomolecules (proteins, nucleic acids, lipids, metabolites, etc.), thereby conveying diverse messages for cell-cell communications. Once released, these exosomal contents trigger signaling and trafficking that play roles in cell growth, development, immune responses, homeostasis, remodeling, etc. Recent advances in exosomal research have provided a wealth of useful information that enhances our knowledge on the roles for exosomes in pathogenic mechanisms of human diseases involving a wide variety of organ systems. In the kidney, exosomes play divergent roles, ranging from pathogenesis to therapeutics, based on their original sources and type of interventions. Herein, we summarize and update the current knowledge on the divergent roles of exosomes involving the pathogenesis, diagnostics, prognostics, and therapeutics in various groups of kidney diseases, including acute kidney injury, immune-mediated kidney diseases (e.g., IgA nephropathy, lupus nephritis, membranous nephropathy, focal segmental glomerulosclerosis), chronic kidney disease (caused by diabetic nephropathy and others), renal cell carcinoma, nephrolithiasis, kidney transplantation and related complications, and polycystic kidney disease. Finally, the future perspectives on research in this area are discussed.
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Affiliation(s)
- Visith Thongboonkerd
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
| | - Rattiyaporn Kanlaya
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Li X, Yang L. Urinary exosomes: Emerging therapy delivery tools and biomarkers for urinary system diseases. Biomed Pharmacother 2022; 150:113055. [PMID: 35658226 DOI: 10.1016/j.biopha.2022.113055] [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: 03/17/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/29/2022] Open
Abstract
Urinary exosomes (UE) are small circular membranous vesicles with a lipid bilayer with a diameter of 40-160 nm secreted by epithelial cells of the kidney and genitourinary system, which can reflect the physiological and functional status of secretory cells. Protein and RNA in exosomes can be used as markers for diseases diagnosis. Urine specimens are available and non-invasive. The protein and RNA in UE are more stable than the soluble protein and RNA in urine, which have broad application prospects in the diagnosis of urinary system diseases. This article reviews the recent advances in the application of protein or RNA in UE as markers to the diagnosis of urinary system diseases.
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Affiliation(s)
- Xin Li
- Departments of Infectious Disease, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Lina Yang
- Departments of Geriatrics, First Affiliated Hospital of China Medical University, Shenyang, China.
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Abstract
Extracellular vesicles are released by the majority of cell types and circulate in body fluids. They function as a long-distance cell-to-cell communication mechanism that modulates the gene expression profile and fate of target cells. Increasing evidence has established a central role of extracellular vesicles in kidney physiology and pathology. Urinary extracellular vesicles mediate crosstalk between glomerular and tubular cells and between different segments of the tubule, whereas circulating extracellular vesicles mediate organ crosstalk and are involved in the amplification of kidney damage and inflammation. The molecular profile of extracellular vesicles reflects the type and pathophysiological status of the originating cell so could potentially be exploited for diagnostic and prognostic purposes. In addition, robust preclinical data suggest that administration of exogenous extracellular vesicles could promote kidney regeneration and reduce inflammation and fibrosis in acute and chronic kidney diseases. Stem cells are thought to be the most promising source of extracellular vesicles with regenerative activity. Extracellular vesicles are also attractive candidates for drug delivery and various engineering strategies are being investigated to alter their cargo and increase their efficacy. However, rigorous standardization and scalable production strategies will be necessary to enable the clinical application of extracellular vesicles as potential therapeutics. In this Review, the authors discuss the roles of extracellular vesicles in kidney physiology and disease as well as the beneficial effects of stem cell-derived extracellular vesicles in preclinical models of acute kidney injury and chronic kidney disease. They also highlight current and future clinical applications of extracellular vesicles in kidney diseases. Urinary extracellular vesicles have roles in intra-glomerular, glomerulo-tubular and intra-tubular crosstalk, whereas circulating extracellular vesicles might mediate organ crosstalk; these mechanisms could amplify kidney damage and contribute to disease progression. Urinary extracellular vesicles could potentially be analysed using multiplex diagnostic platforms to identify pathological processes and the originating cell types; technological advances including single extracellular vesicle analysis might increase the specificity of bulk analysis of extracellular vesicle preparations. Robust standardization and validation in large patient cohorts are required to enable clinical application of extracellular vesicle-based biomarkers. Stem cell-derived extracellular vesicles have been shown to improve renal recovery, limit progression of injury and reduce fibrosis in animal models of acute kidney injury and chronic kidney disease. Various engineering approaches can be used to load extracellular vesicles with therapeutic molecules and increase their delivery to the kidney. A small clinical trial that tested the efficacy of mesenchymal stem cell extracellular vesicle administration in patients with chronic kidney disease reported promising results; however, therapeutic application of extracellular vesicles is limited by a lack of scalable manufacturing protocols and clear criteria for standardization.
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Exosomal RNAs: Novel Potential Biomarkers for Diseases-A Review. Int J Mol Sci 2022; 23:ijms23052461. [PMID: 35269604 PMCID: PMC8910301 DOI: 10.3390/ijms23052461] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 01/25/2023] Open
Abstract
Exosomes are a subset of nano-sized extracellular vesicles originating from endosomes. Exosomes mediate cell-to-cell communication with their cargos, which includes mRNAs, miRNAs, lncRNAs, and circRNAs. Exosomal RNAs have cell specificity and reflect the conditions of their donor cells. Notably, their detection in biofluids can be used as a diagnostic marker for various diseases. Exosomal RNAs are ideal biomarkers because their surrounding membranes confer stability and they are detectable in almost all biofluids, which helps to reduce trauma and avoid invasive examinations. However, knowledge of exosomal biomarkers remains scarce. The present review summarizes the biogenesis, secretion, and uptake of exosomes, the current researches exploring exosomal mRNAs, miRNAs, lncRNAs, and circRNAs as potential biomarkers for the diagnosis of human diseases, as well as recent techniques of exosome isolation.
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PLA2G10 incorporated in exosomes could be diagnostic and prognostic biomarker for non-small cell lung cancer. Clin Chim Acta 2022; 530:55-65. [DOI: 10.1016/j.cca.2022.02.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 12/13/2022]
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Rana R, Kant R, Kaul D, Sachdev A, Ganguly NK. Integrated view of molecular diagnosis and prognosis of dengue viral infection: future prospect of exosomes biomarkers. Mol Cell Biochem 2022; 477:815-832. [PMID: 35059925 DOI: 10.1007/s11010-021-04326-8] [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: 07/16/2021] [Accepted: 12/03/2021] [Indexed: 10/19/2022]
Abstract
Dengue viruses (DENVs) are the viruses responsible for dengue infection which affects lungs, liver, heart and also other organs of individuals. DENVs consist of the group of four serotypically diverse dengue viruses transmitted in tropical and sub-tropical countries of world. Aedes mosquito is the principal vector which spread the infection from infected person to healthy humans. DENVs can cause different syndromes depending on serotype of virus which range from undifferentiated mild fever to dengue hemorrhagic fever resulting in vascular leakage due to release of cytokine and Dengue shock syndrome with fluid loss and hypotensive shock, or other severe manifestations such as bleeding and organ failure. Increase in dengue cases in pediatric population is a major concern. Transmission of dengue depends on various factors like temperature, rainfall, and distribution of Aedes aegypti mosquitoes. The present review describes a comprehensive overview of dengue, pathophysiology, diagnosis, treatment with an emphasis on potential of exosomes as biomarkers for early prediction of dengue in pediatrics.
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Affiliation(s)
- Rashmi Rana
- Department of Research, Sir Ganga Ram Hospital, New Delhi, 110060, India.
| | - Ravi Kant
- Department of Research, Sir Ganga Ram Hospital, New Delhi, 110060, India
| | - Dinesh Kaul
- Department of Pediatrics, Sir Ganga Ram Hospital, New Delhi, 110060, India
| | - Anil Sachdev
- Department of Pediatrics, Sir Ganga Ram Hospital, New Delhi, 110060, India
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Wang L, Wang J, Wang Z, Zhou J, Zhang Y. Higher Urine Exosomal miR-193a Is Associated With a Higher Probability of Primary Focal Segmental Glomerulosclerosis and an Increased Risk of Poor Prognosis Among Children With Nephrotic Syndrome. Front Cell Dev Biol 2021; 9:727370. [PMID: 34708038 PMCID: PMC8542839 DOI: 10.3389/fcell.2021.727370] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/22/2021] [Indexed: 12/29/2022] Open
Abstract
Background: In children, focal segmental glomerulosclerosis (FSGS) is one of the most common primary glomerular diseases leading to end-stage renal disease. Exosomes facilitate communication between cells by transporting proteins and microRNAs. We aimed to investigate the utility of urine exosomal miR-193a for diagnosis and prognosis estimation among patients with primary FSGS, and preliminarily explore the regulation mechanism of exosome secretion from podocytes. Methods: Specimens of urine were obtained from patients with primary FSGS, minimal change nephropathy (MCN) and IgA nephropathy (IgAN), followed by exosome isolation. We quantified urine exosomal miR-193a based on quantitative reverse transcription-polymerase chain reaction, and evaluated its applicability using area-under-receiver-operating-characteristics curves (AUROCs). The semiquantitative glomerulosclerosis index (GSI) was used to evaluate the degree of glomerulosclerosis according to the method of Raij et al. We further used FAM-labeled miR-193a-5p to examine exosome shuttling using confocal microscopy for visualization, and explored the regulation mechanism of exosomes release from podocytes using Fluo-3AM dye. Results: Urine exosomal miR-193a levels were significantly higher in patients with primary FSGS than those with MCN and IgAN. The AUROCs for discriminating between primary FSGS and MCN or IgAN were 0.85 and 0.821, respectively. Urine exosomal miR-193a levels positively correlated with GSI in patients with primary FSGS. We further found that kidney tissues from these patients had increased CD63 expression involving podocytes in non-sclerotic tufts. Exosomes from cultured podocytes could transport miR-193a-5p to recipient cells, potentially through a calcium-dependent release mechanism. Conclusion: Urine exosomal miR-193a might be harnessed as a non-invasive marker for diagnosis and outcome assessment among patients with primary FSGS. Exosomes were potential vehicles for miRNAs shuttling between podocytes, and released from podocytes in a calcium-dependent manner.
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Affiliation(s)
- Lixia Wang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Neonatology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhimin Wang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianhua Zhou
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Zhang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Ardalan M, Hosseiniyan Khatibi SM, Rahbar Saadat Y, Bastami M, Nariman-Saleh-Fam Z, Abediazar S, Khalilov R, Zununi Vahed S. Migrasomes and exosomes; different types of messaging vesicles in podocytes. Cell Biol Int 2021; 46:52-62. [PMID: 34647672 DOI: 10.1002/cbin.11711] [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: 07/29/2021] [Revised: 10/01/2021] [Accepted: 10/11/2021] [Indexed: 01/08/2023]
Abstract
Podocytes, highly specified kidney epithelial cells, live under several pathological stimuli and stresses during which they adapt themselves to keep homeostasis. Nevertheless, under extreme stress, a complex scenario of podocyte damage and its consequences occur. Podocyte damage causes foot process effacement and their detachment from the glomerular basement membrane, leading to proteinuria. Podocyte-derived extracellular vesicles (pEVs), mainly microparticles and exosomes are considered as signaling mediators of intercellular communication. Recently, it has been shown that throughout the injury-related migration procedure, podocytes are capable of releasing the injury-related migrasomes. Evidence indicates that at the early stages of glomerular disorders, increased levels of pEVs are observed in urine. At the early stage of nephropathy, pEVs especially migrasomes seem to be more sensitive and reliable indicators of podocyte stress and/or damage than proteinuria. This review highlights the current knowledge of pEVs and their values for the diagnosis of different kidney diseases.
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Affiliation(s)
| | | | | | - Milad Bastami
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
| | - Ziba Nariman-Saleh-Fam
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sima Abediazar
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Rovshan Khalilov
- Department of Biophysics and Molecular Biology, Baku State University, Baku, Azerbaijan.,Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych, Ukraine
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Zhang J, Ding J, Yu M, Li F, Zhou X, Shuai H. Long non-coding RNA TTC28-AS1 attenuates high glucose-induced damage in HK-2 cells depending on the regulation of miR-320a/CD2AP axis. Genes Genomics 2021; 43:1471-1482. [PMID: 34623609 DOI: 10.1007/s13258-021-01167-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 09/15/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Diabetic nephropathy (DN) is the leading cause of end-stage renal disease (ESRD) worldwide. Emerging evidence suggests that long non-coding RNAs (lncRNAs) play crucial roles in DN pathogenesis. OBJECTIVE The purpose of the present study was to explore the role and mechanism of lncRNA tetratricopeptide repeat domain 2B antisense RNA 1 (TTC28-AS1) in DN. METHODS Cell viability and apoptosis were assessed by the Cell Counting-8 Kit (CCK-8) assay and flow cytometry, respectively. The levels of TTC28-AS1, miR-320a and CD2-associated protein (CD2AP) were determined by quantitative real-time polymerase chain reaction (qRT-PCR) or western blot. The levels of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and IL-8 were gauged by enzyme-linked immunosorbent assay (ELISA). Targeted relationship between miR-320a and TTC28-AS1 or CD2AP was evaluated by dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. RESULTS Our data indicated that high glucose (HG) induced HK-2 cell damage by the repression of cell viability and autophagy and the enhancement of cell apoptosis, fibrosis and pro-inflammatory cytokines production. TTC28-AS1 was down-regulated and miR-320a was up-regulated in HG-induced HK-2 cells. TTC28-AS1 overexpression or miR-320a knockdown alleviated HG-induced damage in HK-2 cells. MiR-320 was a molecular mediator of TTC28-AS1 in regulating HG-induced HK-2 cell damage. Moreover, TTC28-AS1 functioned as a post-transcriptional regulator of CD2AP expression by miR-320a. MiR-320a knockdown relieved HG-induced damage in HK-2 cells by up-regulating CD2AP. CONCLUSIONS Our findings suggest that TTC28-AS1 attenuates HG-induced damage in HK-2 cells at least partially by targeting the miR-320a/CD2AP axis, highlighting its role as a promising therapeutic approach for DN treatment.
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Affiliation(s)
- Ji Zhang
- Department of Pharmacology, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China
| | - Juan Ding
- Department of Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China
| | - Ming Yu
- Department of General Practice, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China
| | - Fang Li
- Department of Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China
| | - Xue Zhou
- Department of Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China
| | - Hongxia Shuai
- Department of Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of HuBei University of Arts and Science, Xiangyang, Hubei, China.
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Extracellular Vesicles in Organ Fibrosis: Mechanisms, Therapies, and Diagnostics. Cells 2021; 10:cells10071596. [PMID: 34202136 PMCID: PMC8305303 DOI: 10.3390/cells10071596] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023] Open
Abstract
Fibrosis is the unrelenting deposition of excessively large amounts of insoluble interstitial collagen due to profound matrigenic activities of wound-associated myofibroblasts during chronic injury in diverse tissues and organs. It is a highly debilitating pathology that affects millions of people globally and leads to decreased function of vital organs and increased risk of cancer and end-stage organ disease. Extracellular vesicles (EVs) produced within the chronic wound environment have emerged as important vehicles for conveying pro-fibrotic signals between many of the cell types involved in driving the fibrotic response. On the other hand, EVs from sources such as stem cells, uninjured parenchymal cells, and circulation have in vitro and in vivo anti-fibrotic activities that have provided novel and much-needed therapeutic options. Finally, EVs in body fluids of fibrotic individuals contain cargo components that may have utility as fibrosis biomarkers, which could circumvent current obstacles to fibrosis measurement in the clinic, allowing fibrosis stage, progression, or regression to be determined in a manner that is accurate, safe, minimally-invasive, and conducive to repetitive testing. This review highlights the rapid and recent progress in our understanding of EV-mediated fibrotic pathogenesis, anti-fibrotic therapy, and fibrosis staging in the lung, kidney, heart, liver, pancreas, and skin.
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Urinary Extracellular Vesicles: Uncovering the Basis of the Pathological Processes in Kidney-Related Diseases. Int J Mol Sci 2021; 22:ijms22126507. [PMID: 34204452 PMCID: PMC8234687 DOI: 10.3390/ijms22126507] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/27/2021] [Accepted: 06/11/2021] [Indexed: 12/29/2022] Open
Abstract
Intercellular communication governs multicellular interactions in complex organisms. A variety of mechanisms exist through which cells can communicate, e.g., cell-cell contact, the release of paracrine/autocrine soluble molecules, or the transfer of extracellular vesicles (EVs). EVs are membrane-surrounded structures released by almost all cell types, acting both nearby and distant from their tissue/organ of origin. In the kidney, EVs are potent intercellular messengers released by all urinary system cells and are involved in cell crosstalk, contributing to physiology and pathogenesis. Moreover, urine is a reservoir of EVs coming from the circulation after crossing the glomerular filtration barrier—or originating in the kidney. Thus, urine represents an alternative source for biomarkers in kidney-related diseases, potentially replacing standard diagnostic techniques, including kidney biopsy. This review will present an overview of EV biogenesis and classification and the leading procedures for isolating EVs from body fluids. Furthermore, their role in intra-nephron communication and their use as a diagnostic tool for precision medicine in kidney-related disorders will be discussed.
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Emerging technologies and commercial products in exosome-based cancer diagnosis and prognosis. Biosens Bioelectron 2021; 183:113176. [PMID: 33845291 DOI: 10.1016/j.bios.2021.113176] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/20/2021] [Accepted: 03/14/2021] [Indexed: 02/07/2023]
Abstract
Academic and industrial groups worldwide have reported technological advances in exosome-based cancer diagnosis and prognosis. However, the potential translation of these emerging technologies for research and clinical settings remains unknown. This work overviews the role of exosomes in cancer diagnosis and prognosis, followed by a survey on emerging exosome technologies, particularly microfluidic advances for the isolation and detection of exosomes in cancer research. The advantages and drawbacks of each of the technologies used for the isolation, detection and engineering of exosomes are evaluated to address their clinical challenges for cancer diagnosis and prognosis. Furthermore, commercial platforms for exosomal detection and analysis are introduced, and their performance and impact on cancer diagnosis and prognosis are assessed. Also, the risks associated with the further development of the next generation of exosome devices are discussed. The outcome of this work could facilitate recognizing deliverable Exo-devices and technologies with unprecedented functionality and predictable manufacturability for the next-generation of cancer diagnosis and prognosis.
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Yaker L, Kamel S, Ausseil J, Boullier A. Effects of Chronic Kidney Disease and Uremic Toxins on Extracellular Vesicle Biology. Toxins (Basel) 2020; 12:toxins12120811. [PMID: 33371311 PMCID: PMC7767379 DOI: 10.3390/toxins12120811] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/02/2020] [Accepted: 12/16/2020] [Indexed: 12/28/2022] Open
Abstract
Vascular calcification (VC) is a cardiovascular complication associated with a high mortality rate, especially in patients with diabetes, atherosclerosis or chronic kidney disease (CKD). In CKD patients, VC is associated with the accumulation of uremic toxins, such as indoxyl sulphate or inorganic phosphate, which can have a major impact in vascular remodeling. During VC, vascular smooth muscle cells (VSMCs) undergo an osteogenic switch and secrete extracellular vesicles (EVs) that are heterogeneous in terms of their origin and composition. Under physiological conditions, EVs are involved in cell-cell communication and the maintenance of cellular homeostasis. They contain high levels of calcification inhibitors, such as fetuin-A and matrix Gla protein. Under pathological conditions (and particularly in the presence of uremic toxins), the secreted EVs acquire a pro-calcifying profile and thereby act as nucleating foci for the crystallization of hydroxyapatite and the propagation of calcification. Here, we review the most recent findings on the EVs’ pathophysiological role in VC, the impact of uremic toxins on EV biogenesis and functions, the use of EVs as diagnostic biomarkers and the EVs’ therapeutic potential in CKD.
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Affiliation(s)
- Linda Yaker
- MP3CV-UR7517, CURS-Université de Picardie Jules Verne, Avenue de la Croix Jourdain, F-80054 Amiens, France; (L.Y.); (S.K.)
| | - Saïd Kamel
- MP3CV-UR7517, CURS-Université de Picardie Jules Verne, Avenue de la Croix Jourdain, F-80054 Amiens, France; (L.Y.); (S.K.)
- Laboratoire de Biochimie CHU Amiens-Picardie, Avenue de la Croix Jourdain, F-80054 Amiens, France
| | - Jérôme Ausseil
- INSERM UMR1043, CNRS UMR5282, University of Toulouse III, F-31024 Toulouse, France;
- CHU PURPAN—Institut Fédératif de Biologie, Laboratoire de Biochimie, Avenue de Grande Bretagne, F-31059 Toulouse, France
| | - Agnès Boullier
- MP3CV-UR7517, CURS-Université de Picardie Jules Verne, Avenue de la Croix Jourdain, F-80054 Amiens, France; (L.Y.); (S.K.)
- Laboratoire de Biochimie CHU Amiens-Picardie, Avenue de la Croix Jourdain, F-80054 Amiens, France
- Correspondence: ; Tel.: +33-322087019
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Behrens F, Holle J, Kuebler WM, Simmons S. Extracellular vesicles as regulators of kidney function and disease. Intensive Care Med Exp 2020; 8:22. [PMID: 33336297 PMCID: PMC7746786 DOI: 10.1186/s40635-020-00306-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 05/21/2020] [Indexed: 12/16/2022] Open
Abstract
Extracellular vesicles (EVs) are small, lipid bilayer-delimited particles of cellular origin that recently gained increasing attention for their potential use as diagnostic biomarkers, and beyond that for their role in intercellular communication and as regulators of homeostatic and disease processes. In acute kidney injury (AKI) and chronic kidney disease (CKD), the potential use of EVs as diagnostic and prognostic markers has been evaluated in a series of clinical studies and contributions to pathophysiologic pathways have been investigated in experimental models. While EV concentrations in biofluids could not distinguish renal patients from healthy subjects or determine disease progression, specific EV subpopulations have been identified that may provide useful diagnostic and prognostic tools in AKI. Specific EV subpopulations are also associated with clinical complications in sepsis-induced AKI and in CKD. Beyond their role as biomarkers, pathophysiologic involvement of EVs has been shown in hemolytic uremic syndrome- and sepsis-induced AKI as well as in cardiovascular complications of CKD. On the other hand, some endogenously formed or therapeutically applied EVs demonstrate protective effects pointing toward their usefulness as emerging treatment strategy in kidney disease.
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Affiliation(s)
- Felix Behrens
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany.,Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Johannes Holle
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Wolfgang M Kuebler
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany. .,DZHK (German Centre for Cardiovascular Research), partner site Berlin, 10117, Berlin, Germany. .,The Keenan Research Centre for Biomedical Science at St. Michael's, Toronto, Canada. .,Departments of Surgery and Physiology, University of Toronto, Toronto, Canada.
| | - Szandor Simmons
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), partner site Berlin, 10117, Berlin, Germany
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Su H, Qiao J, Hu J, Li Y, Lin J, Yu Q, Zhen J, Ma Q, Wang Q, Lv Z, Wang R. Podocyte-derived extracellular vesicles mediate renal proximal tubule cells dedifferentiation via microRNA-221 in diabetic nephropathy. Mol Cell Endocrinol 2020; 518:111034. [PMID: 32926967 DOI: 10.1016/j.mce.2020.111034] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/25/2020] [Accepted: 09/10/2020] [Indexed: 12/28/2022]
Abstract
Podocyte injury is a key event in the initiation of Diabetic nephropathy (DN). Tubulointerstitium, especially the proximal tubule has been regarded as a target of injury. In the present study, we showed that podocytes induced dedifferentiation of proximal tubular epithelial cells(PTECs) in high-glucose conditions and extracellular vesicles (EVs) mediates the interaction. Then we extracted and identified these EVs derived from podocytes as exosome, further, the EVs induced PTECs dedifferentiation. Total microRNA(miRNA) expression of podocyte-derived EVs was extracted and miR-221 expression was remarkably increased. By making use of the miRNA gain- and loss-of-function approaches, we observed that miR-221 mediated PTECs dedifferentiation. In addition, a dual-luciferase reporter assay confirmed that miR-221 direct target DKK2, which was an inhibitor of Wnt signaling, and overexpression of miR-221 significantly resulted in β-catenin nuclear accumulation. Moreover, we regulated the expression of β-catenin and demonstrated that miR-221 in EVs mediated proximal tubule cells injury through Wnt/β-catenin signaling. Furthermore, inhibition of miR-221 in diabetic mice reversed the abnormal expression of PTECs dedifferentiation related protein. These findings provide unique insights in the mechanisms of proximal tubule cell injury in diabetic nephropathy.
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Affiliation(s)
- Hong Su
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Jiao Qiao
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Jinxiu Hu
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Yanmei Li
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Jiangong Lin
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Qun Yu
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Junhui Zhen
- Department of Pathology, School of Medicine, Shandong University, Jinan, Shandong, 250021, China
| | - Qiqi Ma
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Qianhui Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Zhimei Lv
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
| | - Rong Wang
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
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Deb A, Gupta S, Mazumder PB. Exosomes: A new horizon in modern medicine. Life Sci 2020; 264:118623. [PMID: 33096118 DOI: 10.1016/j.lfs.2020.118623] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 12/11/2022]
Abstract
Exosomes are a type of extracellular vesicles belonging to endocytic origin. These vesicles carry different biological cargo that play numerous physiological roles and is also indicative of different diseased state. Exosomes are considered as promising tools for therapeutic drug delivery, owing to their intrinsic features like stability, biocompatibility and a capacity of stealth. A clearer understanding of the composition, biogenesis and biology of exosomes can provide us with better insights into the pathophysiological, diagnostic, and therapeutic roles of these extracellular vesicles. In this review we have summarize existing literature regarding the production, efficacy, action mechanism, and potential therapeutic roles of exosomes in the contexts of various diseases such as cancer, renal disease, neurological disorders, cardio-vascular diseases, inflammatory diseases and some of the auto-immune diseases.
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Affiliation(s)
- Ananya Deb
- Natural Product & Biomedicine Research Laboratory, Department of Biotechnology, Assam University, Silchar 788011, Assam, India
| | - Shweta Gupta
- Natural Product & Biomedicine Research Laboratory, Department of Biotechnology, Assam University, Silchar 788011, Assam, India.
| | - P B Mazumder
- Natural Product & Biomedicine Research Laboratory, Department of Biotechnology, Assam University, Silchar 788011, Assam, India.
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Xu L, Wu LF, Deng FY. Exosome: An Emerging Source of Biomarkers for Human Diseases. Curr Mol Med 2020; 19:387-394. [PMID: 31288712 DOI: 10.2174/1566524019666190429144310] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 04/11/2019] [Accepted: 04/16/2019] [Indexed: 12/27/2022]
Abstract
Exosomes are 30-120nm long endocytic membrane-derived vesicles, which are secreted by various types of cells and stably present in body fluids, such as plasma, urine, saliva and breast milk. Exosomes participate in intercellular communication. Recently accumulative studies have suggested that exosomes may serve as novel biomarkers for disease diagnosis and prognosis. Herein, we reviewed the biological features of exosomes, technologies for exosome isolation and identification, as well as progress in exosomal biomarker identification, highlighting the relevance of exosome to human diseases and significance and great potential in translational medicine.
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Affiliation(s)
- Li Xu
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R., China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for G eriatric Diseases, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Long-Fei Wu
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R., China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for G eriatric Diseases, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Fei-Yan Deng
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R., China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for G eriatric Diseases, Soochow University, Suzhou, Jiangsu 215123, P.R. China
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30
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Masaoutis C, Al Besher S, Koutroulis I, Theocharis S. Exosomes in Nephropathies: A Rich Source of Novel Biomarkers. DISEASE MARKERS 2020; 2020:8897833. [PMID: 32849923 PMCID: PMC7441435 DOI: 10.1155/2020/8897833] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/08/2020] [Accepted: 07/24/2020] [Indexed: 12/12/2022]
Abstract
The biomarkers commonly utilized in diagnostic evaluations of kidney disease suffer from low sensitivity, especially in the early stages of renal damage. On the other hand, obtaining a renal biopsy to augment clinical decision making can lead to potentially serious complications. In order to overcome the shortcomings of currently available diagnostic tools, recent studies suggest that exosomes, cell-secreted extracellular vesicles containing a large array of active molecules to facilitate cell-to-cell communication, may represent a rich source of novel disease biomarkers. Because of their endocytic origin, exosomes carry markers typical for their parent cells, which could permit the localization of biochemical cellular alterations in specific kidney compartments. Different types of exosomes can be isolated from noninvasively obtained biofluids; however, in the context of kidney disease, evidence has emerged on the role of urinary exosomes in the diagnostic and predictive modeling of renal pathology. The current review summarizes the potential application of exosomes in the detection of acute and chronic inflammatory, metabolic, degenerative, and genetic renal diseases.
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Affiliation(s)
- Christos Masaoutis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75, Mikras Asias street, Bld 10, Goudi, 11527 Athens, Greece
| | - Samer Al Besher
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75, Mikras Asias street, Bld 10, Goudi, 11527 Athens, Greece
| | - Ioannis Koutroulis
- Children's National Hospital, Division of Emergency Medicine and Center for Genetic Medicine, George Washington University School of Medicine and Health Sciences, 111 Michigan Ave. NW, Washington, DC 20010, USA
| | - Stamatios Theocharis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75, Mikras Asias street, Bld 10, Goudi, 11527 Athens, Greece
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Identification of Key Genes of Human Advanced Diabetic Nephropathy Independent of Proteinuria by Transcriptome Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:7283581. [PMID: 32685522 PMCID: PMC7336202 DOI: 10.1155/2020/7283581] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/12/2020] [Accepted: 05/28/2020] [Indexed: 01/15/2023]
Abstract
Background Diabetic nephropathy (DN) is the leading cause of ESRD. Emerging evidence indicated that proteinuria may not be the determinant of renal survival in DN. The aim of the current study was to provide molecular signatures apart from proteinuria in DN by an integrative bioinformatics approach. Method Affymetrix microarray datasets from microdissected glomerular and tubulointerstitial compartments of DN, healthy controls, and proteinuric disease controls including minimal change disease and membranous nephropathy were extracted from open-access database. Differentially expressed genes (DEGs) in DN versus both healthy and proteinuric controls were identified by limma package, and further defined by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. Hub genes were checked by protein-protein interaction networks. Results A total of 566 glomerular and 581 tubulointerstitial DEGs were identified in DN, which were commonly differentially expressed compared to normal controls and proteinuric disease controls. The upregulated DEGs in both compartments were significantly enriched in GO biological process associated with fibrosis, inflammation, and platelet dysfunction, and largely located in extracellular space, including matrix and extracellular vesicles. Pathway analysis highlighted immune system regulation. Hub genes of the upregulated DEGs negatively correlated with estimated glomerular filtration rate (eGFR). While the downregulated DEGs and their hub genes in tubulointerstitium were enriched in pathways associated with lipid metabolism and oxidation, which positively correlated with eGFR. Conclusions Our study identified pathways including fibrosis, inflammation, lipid metabolism, and oxidative stress contributing to the progression of DN independent of proteinuria. These genes may serve as biomarkers and therapeutic targets.
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Abstract
Fibrosis is characterized by aberrant myofibroblast accumulation and excessive extracellular matrix deposition, which leads to organ failure and significantly contributes to mortality worldwide. Exosomes, which are extracellular nanovesicles with a diameter of 30-100 nm that are secreted into the extracellular space by various types of cells, facilitate intercellular communication by delivering different cargos such as proteins, mRNAs and microRNAs. Growing evidence indicates that exosomes play an important role in various fibrotic diseases. A deeper understanding of the effects of exosomes in fibrosis may help in exploring new diagnostic and therapeutic targets. In this review, we summarize recent findings on exosomes in fibrotic diseases, with a special focus on exosomal cargo dysregulation and their potential diagnostic and therapeutic value in fibrosis.
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Affiliation(s)
- Xi-Ji Qin
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Jia-Xiang Zhang
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Rui-Lan Wang
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
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33
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Li M, Jiang M, Meng J, Tao L. Exosomes: Carriers of Pro-Fibrotic Signals and Therapeutic Targets in Fibrosis. Curr Pharm Des 2020; 25:4496-4509. [PMID: 31814552 DOI: 10.2174/1381612825666191209161443] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 12/03/2019] [Indexed: 02/06/2023]
Abstract
Exosomes are nano-sized extracellular vesicles that are released by a variety of cells. Exosomes contain cargo from cells they derived, including lipids, proteins and nucleic acids. The bilayer lipid membrane structure of exosomes protects these contents from degradation, allowing them for intercellular communication. The role of exosomes in fibrotic diseases is increasingly being valued. Exosomes, as carriers of profibrotic signals, are involved in the development of fibrotic diseases, and also regulate fibrosis by transmitting signals that inhibit fibrosis or inflammation. Exosomes mobilize and activate a range of effector cells by targeted delivery of bioactive information. Exosomes can also reflect the condition of cells, tissues and organisms, and thus become potential biomarkers of fibrotic diseases. Exosomes from bone marrow stem cells support biological signaling that regulates and inhibits fibrosis and thus initially used in the treatment of fibrotic diseases. This article briefly summarizes the role of exosomes in the pathogenesis and treatment of fibrotic diseases and raises some issues that remain to be resolved.
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Affiliation(s)
- Mengyu Li
- Department of Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China.,Organ Fibrosis Research Center, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China
| | - Mao Jiang
- Department of Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China.,Organ Fibrosis Research Center, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China
| | - Jie Meng
- Department of Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China.,Organ Fibrosis Research Center, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China
| | - Lijian Tao
- Organ Fibrosis Research Center, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China.,Department of Nephrology, Xiangya Hospital, Central South University, 932 Lushans Rd, Yuela, Changsha, Hunan, China
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Podocyte Lysosome Dysfunction in Chronic Glomerular Diseases. Int J Mol Sci 2020; 21:ijms21051559. [PMID: 32106480 PMCID: PMC7084483 DOI: 10.3390/ijms21051559] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023] Open
Abstract
Podocytes are visceral epithelial cells covering the outer surface of glomerular capillaries in the kidney. Blood is filtered through the slit diaphragm of podocytes to form urine. The functional and structural integrity of podocytes is essential for the normal function of the kidney. As a membrane-bound organelle, lysosomes are responsible for the degradation of molecules via hydrolytic enzymes. In addition to its degradative properties, recent studies have revealed that lysosomes may serve as a platform mediating cellular signaling in different types of cells. In the last decade, increasing evidence has revealed that the normal function of the lysosome is important for the maintenance of podocyte homeostasis. Podocytes have no ability to proliferate under most pathological conditions; therefore, lysosome-dependent autophagic flux is critical for podocyte survival. In addition, new insights into the pathogenic role of lysosome and associated signaling in podocyte injury and chronic kidney disease have recently emerged. Targeting lysosomal functions or signaling pathways are considered potential therapeutic strategies for some chronic glomerular diseases. This review briefly summarizes current evidence demonstrating the regulation of lysosomal function and signaling mechanisms as well as the canonical and noncanonical roles of podocyte lysosome dysfunction in the development of chronic glomerular diseases and associated therapeutic strategies.
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35
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Gao L, Mei S, Zhang S, Qin Q, Li H, Liao Y, Fan H, Liu Z, Zhu H. Cardio-renal Exosomes in Myocardial Infarction Serum Regulate Proangiogenic Paracrine Signaling in Adipose Mesenchymal Stem Cells. Am J Cancer Res 2020; 10:1060-1073. [PMID: 31938051 PMCID: PMC6956822 DOI: 10.7150/thno.37678] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/21/2019] [Indexed: 12/22/2022] Open
Abstract
Rationale: Mesenchymal stem cells (MSCs) play important roles in tissue repair and regeneration. However, the molecular mechanisms underlying MSCs activation remain largely unknown, thus hindering their clinical translation. Exosomes are small vesicles that act as intercellular messengers, and their potential for stem cell activation in pathological conditions has not been fully characterized yet. Here, we aim to investigate whether serum exosomes are involved in the remote activation of MSCs after myocardial infarction (MI). Methods: We established MI mouse model by ligating the left anterior descending branch of the coronary artery. Afterwards, serum exosomes were isolated from control (Con Exo) and MI mice (MI Exo) by differential centrifugation. Exosomes were characterized through transmission electron microscopy and nanoparticle tracking analysis. The cell proliferation rate was evaluated by CCK-8 and EdU incorporation assays. Exosomal miRNA and protein levels were assessed using qRT-PCR and western blotting, respectively. VEGF levels in the supernatant and serum were quantified by ELISA. Matrigel plug and tube formation assays were used to evaluate angiogenesis. To explore miR-1956 roles, overexpression and knock-down experiments were performed using mimic and inhibitor, respectively. Finally, miR-1956 target genes were confirmed using the luciferase reporter assay. Results: Both types of exosomes exhibited typical characteristics and could be internalized by adipose-derived MSCs (ADMSCs). MI Exo enhanced ADMSCs proliferation through the activation of ERK1/2. Gain- and loss-of-function studies allowed the validation of miR-1956 (enriched in MI Exo) as the functional messenger that stimulates ADMSCs-mediated angiogenesis and paracrine VEGF signaling, by downregulating Notch-1. Finally, we found that the ischemic myocardium and kidney may be the main sources that release serum exosomes after MI. Conclusions: Cardio-renal exosomes deliver miR-1956 and activate paracrine proangiogenic VEGF signaling in ADMSCs after MI; this process also involves Notch-1, which functions as the core mediator.
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Dimuccio V, Peruzzi L, Brizzi MF, Cocchi E, Fop F, Boido A, Gili M, Gallo S, Biancone L, Camussi G, Bussolati B. Acute and chronic glomerular damage is associated with reduced CD133 expression in urinary extracellular vesicles. Am J Physiol Renal Physiol 2019; 318:F486-F495. [PMID: 31869243 DOI: 10.1152/ajprenal.00404.2019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Extracellular vesicles released into urine (uEVs) can represent interesting biomarkers of renal cell damage. CD133, a stem/progenitor cell marker expressed by renal progenitor cells, is highly expressed in uEVs of healthy individuals. In the present study, we evaluated the level of CD133 in the uEVs of patients with acute and chronic glomerular damage by cytofluorimetric analysis. The level of CD133+ uEVs was significantly decreased in pediatric patients with acute glomerulonephritis during the acute phase of renal damage, while it was restored after the subsequent recovery. A similar decrease was also observed in patients with chronic glomerulonephritis. Moreover, CD133+ uEVs significantly declined in patients with type 2 diabetes, used as validation group, with the lowest levels in patients with albuminuria with diabetic nephropathy. Indeed, receiver-operating characteristic curve analysis indicates the ability of CD133+ uEV values to discriminate the health condition from that of glomerular disease. In parallel, a significant decrease of CD133 in renal progenitor cells and in their derived EVs was observed in vitro after cell treatment with a combination of glucose and albumin overload, mimicking the diabetic condition. These data indicate that the level of CD133+ uEVs may represent an easily accessible marker of renal normal physiology and could provide information on the "reservoir" of regenerating cells within tubules.
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Affiliation(s)
- Veronica Dimuccio
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Licia Peruzzi
- Pediatric Nephrology Unit, Regina Margherita Children's Hospital, Città della Salute e della Scienza di Torino, Turin, Italy
| | | | - Enrico Cocchi
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Fabrizio Fop
- Division of Nephrology Dialysis and Transplantation, Città della Salute e della Scienza di Torino, Turin, Italy
| | - Alberto Boido
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Maddalena Gili
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Sara Gallo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Luigi Biancone
- Department of Medical Sciences, University of Turin, Turin, Italy.,Division of Nephrology Dialysis and Transplantation, Città della Salute e della Scienza di Torino, Turin, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Benedetta Bussolati
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
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37
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Zhang C, Hu X, Qi F, Luo J, Li X. Identification of CD2, CCL5 and CCR5 as potential therapeutic target genes for renal interstitial fibrosis. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:454. [PMID: 31700890 DOI: 10.21037/atm.2019.08.62] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background We aimed to explore potential gene biomarkers of renal interstitial fibrosis (RIF) due to a lack of effective and non-invasive methods for diagnosis. Methods Three data sets (GSE22459, GSE76882 and GSE57731) including 350 samples were acquired from Gene Expression Omnibus (GEO) database. We used bioconductor limma package to perform background adjustment. Cluster analysis was conducted by 'edgeR' package to identify the differentially expressed genes (DEGs). We generated heat maps with using heatmap package in R software. Function annotation of genes was performed by Gene Ontology (GO) enrichment analysis. STRING (Search Tool for the Retrieval of Interacting Genes) database was employed to construct the protein-protein interaction (PPI) network and the results were visualized by Cytoscape 3.6.1. At last, we applied Graphpad Prism 7.0. to explore the correlation between three hub genes and pathological degrees of RIF. Results By applying the "edgeR" package in R, we detected 116 DEGs with three data sets. These genes were enriched in 19 GO biological process categories. Three main hub genes (CD2, CCL5 and CCR5) were identified after construction of PPI network. In Pearson correlation coefficient, CD2, CCL5 and CCR5 was found to hold higher expression patterns in RIF samples based on independent data set GSE57731. Besides, their gene expression levels were found significantly positive correlation with the degree of RIF (CD2: P<0.05, r=0.29; CCL5: P<0.05, r=0.31; CCR5: P<0.05, r=0.38). Conclusions CD2, CCL5 and CCR5 might serve as potential early biomarkers of RIF. The mechanism between these genes and RIF remains to be further studied.
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Affiliation(s)
- Chuanjie Zhang
- Department of Urology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, China
| | - Xin Hu
- First Clinical Medical College of Nanjing Medical University, Nanjing 210029, China
| | - Feng Qi
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jun Luo
- Department of Urology, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai 200081, China
| | - Xiao Li
- Department of Urology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Affiliated Cancer Hospital of Nanjing Medical University, Nanjing 210009, China
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Role of Extracellular Vesicles in Renal Inflammation and Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:455-466. [PMID: 31399979 DOI: 10.1007/978-981-13-8871-2_22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Extracellular vesicles (EVs) are the membrane-surrounded structures released by almost all types of cells. Accumulating evidences have suggested that EVs secretion is enhanced under stress conditions and have been associated with a large wide of cellular physiological and pathological processes. In this part, recent understanding about the generation and biological function of EVs was reviewed. Moreover, the role of EVs in renal inflammation and fibrosis and future challenges of EVs study in kidney disease were discussed.
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Bagnasco SM, Rosenberg AZ. Biomarkers of Chronic Renal Tubulointerstitial Injury. J Histochem Cytochem 2019; 67:633-641. [PMID: 31242044 DOI: 10.1369/0022155419861092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Progression of renal parenchyma injury is characterized by increasing interstitial fibrosis and tubular atrophy, irrespective of the cause. Histopathologic assessment of renal tissue obtained by biopsy remains the gold standard for determining the presence and extent of tubulointerstitial scarring. Discovery of robust non-invasive means for capturing a snapshot and for longitudinal monitoring of parenchymal deterioration has been the focus of intense multimodal effort by investigators within the renal community and beyond. Research in this field has included the use of in vitro and in vivo experimental models and has fostered the development and evaluation of tissue and biofluid assays for novel analytes with potential translation to the diagnosis and prognosis of kidney disease. Here, we examine recent advances in the search of "biomarkers" for detection of renal tubulointerstitial scarring and prediction of renal outcome in human renal disease.
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Affiliation(s)
- Serena M Bagnasco
- Department of Pathology, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
| | - Avi Z Rosenberg
- Department of Pathology, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
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Zhou LT, Lv LL, Liu BC. Urinary Biomarkers of Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:607-623. [PMID: 31399987 DOI: 10.1007/978-981-13-8871-2_30] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Renal fibrosis is the common pathological pathway of progressive CKD. The commonly used biomarkers in clinical practice are not optimal to detect injury or predict prognosis. Therefore, it is crucial to develop novel biomarkers to allow prompt intervention. Urine serves as a valuable resource of biomarker discovery for kidney diseases. Owing to the rapid development of omics platforms and bioinformatics, research on novel urinary biomarkers for renal fibrosis has proliferated in recent years. In this chapter, we discuss the current status and provide basic knowledge in this field. We present novel promising biomarkers including tubular injury markers, proteins related to activated inflammation/fibrosis pathways, CKD273, transcriptomic biomarkers, as well as metabolomic biomarkers. Furthermore, considering the complex nature of the pathogenesis of renal fibrosis, we also highlight the combination of biomarkers to further improve the diagnostic and prognostic performance.
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Affiliation(s)
- Le-Ting Zhou
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China.
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Exosomes and microvesicles in normal physiology, pathophysiology, and renal diseases. Pediatr Nephrol 2019; 34:11-30. [PMID: 29181712 PMCID: PMC6244861 DOI: 10.1007/s00467-017-3816-z] [Citation(s) in RCA: 205] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/16/2017] [Accepted: 09/19/2017] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles are cell-derived membrane particles ranging from 30 to 5,000 nm in size, including exosomes, microvesicles, and apoptotic bodies. They are released under physiological conditions, but also upon cellular activation, senescence, and apoptosis. They play an important role in intercellular communication. Their release may also maintain cellular integrity by ridding the cell of damaging substances. This review describes the biogenesis, uptake, and detection of extracellular vesicles in addition to the impact that they have on recipient cells, focusing on mechanisms important in the pathophysiology of kidney diseases, such as thrombosis, angiogenesis, tissue regeneration, immune modulation, and inflammation. In kidney diseases, extracellular vesicles may be utilized as biomarkers, as they are detected in both blood and urine. Furthermore, they may contribute to the pathophysiology of renal disease while also having beneficial effects associated with tissue repair. Because of their role in the promotion of thrombosis, inflammation, and immune-mediated disease, they could be the target of drug therapy, whereas their favorable effects could be utilized therapeutically in acute and chronic kidney injury.
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Lv LL, Feng Y, Tang TT, Liu BC. New insight into the role of extracellular vesicles in kidney disease. J Cell Mol Med 2018; 23:731-739. [PMID: 30585399 PMCID: PMC6349185 DOI: 10.1111/jcmm.14101] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/28/2018] [Accepted: 11/30/2018] [Indexed: 12/25/2022] Open
Abstract
Extracellular vesicles (EVs) are released to maintain cellular homeostasis as well as to mediate cell communication by spreading protective or injury signals to neighbour or remote cells. In kidney, increasing evidence support that EVs are signalling vesicles for different segments of tubules, intra‐glomerular, glomerular‐tubule and tubule‐interstitial communication. EVs released by kidney resident and infiltrating cells can be isolated from urine and were found to be promising biomarkers for kidney disease, reflecting deterioration of renal function and histological change. We have here summarized the recent progress about the functional role of EVs in kidney disease as well as challenges and future directions involved.
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Affiliation(s)
- Lin-Li Lv
- Zhongda Hospital, Institute of Nephrology, Southeast University School of Medicine, Nanjing, China
| | - Ye Feng
- Zhongda Hospital, Institute of Nephrology, Southeast University School of Medicine, Nanjing, China
| | - Tao-Tao Tang
- Zhongda Hospital, Institute of Nephrology, Southeast University School of Medicine, Nanjing, China
| | - Bi-Cheng Liu
- Zhongda Hospital, Institute of Nephrology, Southeast University School of Medicine, Nanjing, China
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44
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Exosomes-the enigmatic regulators of bone homeostasis. Bone Res 2018; 6:36. [PMID: 30534458 PMCID: PMC6286319 DOI: 10.1038/s41413-018-0039-2] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/18/2018] [Accepted: 10/19/2018] [Indexed: 12/12/2022] Open
Abstract
Exosomes are a heterogeneous group of cell-derived membranous structures, which mediate crosstalk interaction between cells. Recent studies have revealed a close relationship between exosomes and bone homeostasis. It is suggested that bone cells can spontaneously secret exosomes containing proteins, lipids and nucleic acids, which then to regulate osteoclastogenesis and osteogenesis. However, the network of regulatory activities of exosomes in bone homeostasis as well as their therapeutic potential in bone injury remain largely unknown. This review will detail and discuss the characteristics of exosomes, the regulatory activities of exosomes in bone homeostasis as well as the clinical potential of exosomes in bone injury. Vesicles known as exosomes may prove to be valuable clinical tools once their function is clarified. Exosomes were discovered in the 1980s but not observed in bone tissue until 2003. Minghao Zheng of the University of Western Australia, together with colleagues elsewhere, has reviewed the biology of exosomes, their role in maintaining bones, and their potential clinical uses. Exosomes carry lipids, proteins, and nucleic acids between cells. They are released by every type of bone cell, with the role of each exosome determined by its specific contents. Exosome-mediated crosstalk is involved in regulating bone remodeling, and exosomes have also been implicated in myelomas. Recent work has shown that exosome treatment can improve fracture healing. The authors conclude that a better understanding of the role of exosomes in bone homeostasis will unlock their significant clinical potential.
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Liu Q, Xiang Y, Yuan S, Xie W, Li C, Hu Z, Wu N, Wu L, Yu Z, Bai L, Li Y. Plasma exosome levels in non-small-cell lung cancer: Correlation with clinicopathological features and prognostic implications. Cancer Biomark 2018; 22:267-274. [PMID: 29660899 DOI: 10.3233/cbm-170955] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Biomarker studies revealed important clinical significance of exosome for cancer patients. However, there is currently no consensus on exosome quantification methods. METHODS Bicinchoninic acid (BCA) method, acetylcholinesterase (AChE) method and nanoparticle tracking analysis (NTA) were utilized to quantify 20 plasma exosome samples, and interrelations between these three methods were explored. Associations of plasma exosome levels with characteristics and prognosis of 208 non-small-cell lung cancer (NSCLC) patients were investigated. RESULTS Results of the three methods for exosome quantification were significantly correlated with each other. Correlation coefficient between AChE and NTA (r= 0.79, P< 0.001) was greater than that between BCA and NTA (r= 0.64, P= 0.003). Plasma exosome levels of 208 NSCLC patients were then quantified with AChE method. Exosome level was significantly associated with tumour stage (P< 0.001) and the history of chronic obstructive pulmonary disease (P= 0.023). Cox proportional hazard analysis demonstrated that higher exosome level was independently associated with poorer overall survival (P= 0.033; hazard ratio = 1.72, 95% confidence interval: 1.05-2.83). CONCLUSIONS Plasma exosome level correlates with tumor stage and the history of chronic obstructive pulmonary disease, and may serve as a prognostic factor for NSCLC.
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Affiliation(s)
- Qingyun Liu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Ying Xiang
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Shuai Yuan
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Weijia Xie
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Chengying Li
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Zeyao Hu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Na Wu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Long Wu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Zubin Yu
- Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Li Bai
- Department of Respiratory Disease, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Yafei Li
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China.,Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China
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Li Y, Xu X, Tang X, Bian X, Shen B, Zhao H, Luo S, Chen Z, Zhang K. MicroRNA expression profile of urinary exosomes in Type IV lupus nephritis complicated by cellular crescent. ACTA ACUST UNITED AC 2018; 25:16. [PMID: 30306067 PMCID: PMC6172751 DOI: 10.1186/s40709-018-0088-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 09/20/2018] [Indexed: 01/03/2023]
Abstract
Background Type IV lupus nephritis (LNIV) is a severe disease characterized by diffuse proliferative lesions, and its prognosis is worse with cellular crescent (LNIV-CC) involvement. Urinary exosomes have been shown to reflect the degree of kidney injury. This study was aimed to identify non-invasive diagnostic markers for LNIV-CC. We analysed the expression profile of microRNAs (miRNAs) isolated from urinary exosomes in patients with LNIV-CC and LNIV, and healthy individuals using high-throughput sequencing. Results A total of 66 differentially expressed miRNAs were identified, which were significantly enriched in 15 signalling pathways. Bioinformatic analysis revealed a co-expression network of miRNAs, predicted transcription factors and target mRNAs. Expression of three miRNAs including miR-3135b, miR-654-5p, and miR-146a-5p were further analysed and validated by reverse transcription-quantitative polymerase chain reaction. ROC analysis suggested these as candidate biomarkers for LNIV-CC. Conclusions LNIV-CC has a unique miRNA expression profile of urinary exosome and complex regulatory network. miR-3135b, miR-654-5p and miR-146a-5p in urinary exosomes could be used as novel non-invasive diagnostic markers for LNIV-CC.
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Affiliation(s)
- Yi Li
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Xiaosong Xu
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Xiaopeng Tang
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Xiuwu Bian
- Department of Pathology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Bingbing Shen
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Hongwen Zhao
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Shiyuan Luo
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Zhiwen Chen
- Department of Urology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
| | - Keqin Zhang
- Department of Nephrology, The First Hospital Affiliated To Army Medical University, No. 29 Gaotanyan Street, Sha Ping Ba District, Chongqing, 400038 China
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Liquid biopsy biomarkers of renal interstitial fibrosis based on urinary exosome. Exp Mol Pathol 2018; 105:223-228. [DOI: 10.1016/j.yexmp.2018.08.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/12/2018] [Accepted: 08/13/2018] [Indexed: 01/22/2023]
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48
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Feng Y, Lv LL, Wu WJ, Li ZL, Chen J, Ni HF, Zhou LT, Tang TT, Wang FM, Wang B, Chen PS, Crowley SD, Liu BC. Urinary Exosomes and Exosomal CCL2 mRNA as Biomarkers of Active Histologic Injury in IgA Nephropathy. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:2542-2552. [PMID: 30142333 DOI: 10.1016/j.ajpath.2018.07.017] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/03/2018] [Accepted: 07/24/2018] [Indexed: 01/21/2023]
Abstract
IgA nephropathy (IgAN) features variable renal pathology and a heterogeneous clinical course. Our aim was to search noninvasive biomarkers from urinary exosomes for IgAN patients; membrane nephropathy and minimal change disease were included as other glomerulopathy controls. Transmission electron microscopy and nanoparticle tracking analysis confirmed the size and morphology characteristic of urinary exosomes. Exosome markers (Alix and CD63) as well as renal cell markers [aquaporin 2 (AQP2) and nephrin] were detected, which indicate the renal origin of urinary exosomes. Exosome excretion was increased markedly in IgAN patients compared with controls and correlated with levels of proteinuria and tubular injury. More important, urinary exosome excretion correlated with greater histologic activity (mesangial hypercellularity, crescents, and endocapillary hypercellularity). Profiling of the inflammation-related mRNA revealed that exosomal chemokine (C-C motif) ligand 2 (CCL2) was up-regulated in IgAN patients. In a validation study, CCL2 was exclusively highly expressed in IgAN patients compared with healthy controls as well as minimal change disease and membrane nephropathy patients. Also, a correlation between exosomal CCL2 and estimated glomerular filtration rate levels was found in IgAN. Exosomal CCL2 was correlated with tubulointerstitial inflammation and C3 deposition. High CCL2 levels at the time of renal biopsy were associated with subsequent deterioration in renal function. Thus, urinary exosomes and exosomal CCL2 mRNA are promising biomarkers reflecting active renal histologic injury and renal function deterioration in IgAN.
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Affiliation(s)
- Ye Feng
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China.
| | - Wei-Jun Wu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Zuo-Lin Li
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Jun Chen
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Hai-Feng Ni
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Le-Ting Zhou
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Tao-Tao Tang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Feng-Mei Wang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Bin Wang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Ping-Sheng Chen
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China
| | - Steven D Crowley
- Division of Nephrology, Department of Medicine, Duke University, Durham VA Medical Centers, Durham, North Carolina
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, China.
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McNicholas K, Li JY, Michael MZ, Gleadle JM. Albuminuria is not associated with elevated urinary vesicle concentration but can confound nanoparticle tracking analysis. Nephrology (Carlton) 2018; 22:854-863. [PMID: 27496221 DOI: 10.1111/nep.12867] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 07/18/2016] [Accepted: 07/29/2016] [Indexed: 12/13/2022]
Abstract
AIM Extracellular vesicles, such as exosomes, are present in urine with reports of roles in intercellular signalling and diagnostic utility. However, the extent to which the concentration and characteristics of urinary vesicles are altered in albuminuric renal disease has not been well characterized. In this study, we examined the number and characteristics of extracellular vesicles in albuminuric urine. METHODS Vesicles were isolated from the urine of 32 patients with varying levels of albuminuria using ultracentrifugation and density gradient purification and were examined using nanoparticle tracking analysis, immunoblotting and transmission electron microscopy. The size profile of particles in these urine preparations was compared with albumin-containing solutions. RESULTS Overall, there were no substantial differences in the number, or characteristics, of vesicles released into proteinuric urine. Analysis of albumin-containing solutions showed particles of exosome-like size, suggesting that such particles can mimic exosomes in standard nanoparticle tracking analysis. Albumin and IgG depletion of proteinuric urine resulted in a substantial reduction in the concentration of particles detected by nanoparticle tracking analysis. CONCLUSION There was no increase in urinary vesicle concentration in patients with albuminuria. Furthermore, these results demonstrate the need for cautious interpretation of nanoparticle tracking analysis of vesicle concentration in biological fluids containing protein and for sophisticated preparative methods in vesicle purification from urine.
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Affiliation(s)
- Kym McNicholas
- Department of Renal Medicine, Flinders Medical Centre, Adelaide, South Australia, Australia.,School of Medicine, Flinders University, Adelaide, South Australia, Australia
| | - Jordan Yz Li
- Department of Renal Medicine, Flinders Medical Centre, Adelaide, South Australia, Australia.,School of Medicine, Flinders University, Adelaide, South Australia, Australia
| | - Michael Z Michael
- Department of Gastroenterology, Flinders Medical Centre, Adelaide, South Australia, Australia.,School of Medicine, Flinders University, Adelaide, South Australia, Australia
| | - Jonathan M Gleadle
- Department of Renal Medicine, Flinders Medical Centre, Adelaide, South Australia, Australia.,School of Medicine, Flinders University, Adelaide, South Australia, Australia
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Lyu LL, Feng Y, Liu BC. Urinary Biomarkers for Chronic Kidney Disease with a Focus on Gene Transcript. Chin Med J (Engl) 2018; 130:2251-2256. [PMID: 28875962 PMCID: PMC5598339 DOI: 10.4103/0366-6999.213965] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: In the upcoming era of precision medicine, searching for the early, noninvasive biomarkers has been the cornerstone and major challenge in the management of chronic kidney disease (CKD). Urine contains rich biological information which could be the ideal source for noninvasive biomarkers of CKD. This review will discuss the recent advance in urinary biomarker. Data Sources: This review was based on data in articles published in the PubMed databases up to June 20, 2017, with the following keywords: “Chronic kidney disease”, “Biomarker”, and “Urine”. Study Selection: Original articles and important reviews on urinary biomarker were selected for this review. Results: Urinary biomarker studies of CKD mainly focused on urine sediment, supernatant, and urinary extracellular vesicles. The gene transcript (microRNA [miRNA], messenger RNA [mRNA]) biomarkers have been recently shown with diagnostic potential for CKD reflecting kidney function and histological change. However, challenges regarding technique and data analysis need to be resolved before translation to clinic. Conclusions: Different fractions of urine contain rich information for biomarker discovery, among which urine (extracellular vesicles) mRNA, miRNA, might represent promising biomarker for CKD.
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Affiliation(s)
- Lin-Li Lyu
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
| | - Ye Feng
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
| | - Bi-Cheng Liu
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
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