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Erfurt S, Lauxmann M, Asmus K, Oess S, Patschan D, Hoffmeister M. Serum Nostrin-A risk factor of death, kidney replacement therapy and acute kidney disease in acute kidney injury. PLoS One 2024; 19:e0299131. [PMID: 38603667 PMCID: PMC11008819 DOI: 10.1371/journal.pone.0299131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
BACKGROUND The prediction of Acute Kidney Injury (AKI)-related outcomes remains challenging. Persistent kidney excretory dysfunction for longer than 7 days has been defined as Acute Kidney Disease (AKD). In this study, we prospectively quantified serum Nostrin, an essential regulator of endothelial NO metabolism, in hospitalized patients with AKI. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS In-hospital subjects with AKI of various etiology were identified through the in-hospital AKI alert system of the Brandenburg University Hospital. Serum Nostrin, and serum NGAL and KIM-1 were measured within a maximum of 48 hours from the timepoint of initial diagnosis of AKI. The following endpoints were defined: in-hospital death, need of kidney replacement therapy (KRT), recovery of kidney function (ROKF) until discharge. RESULTS AKI patients had significantly higher serum Nostrin levels compared to Controls. The level of serum Nostrin increased significantly with the severity of AKI. Within the group of AKI patients (n = 150) the in-hospital mortality was 16.7%, KRT was performed in 39.3%, no ROKF occurred in 28%. Patients who required KRT had significantly higher levels of serum Nostrin compared to patients who did not require KRT. Significantly higher levels of serum Nostrin were also detected in AKI patients without ROKF compared to patients with ROKF. In addition, low serum Nostrin levels at the timepoint of AKI diagnosis were predictive of in-hospital survival. For comparison, the serum concentrations of NGAL and KIM-1 were determined in parallel to the Nostrin concentrations and the results confirm the prognostic properties of serum Nostrin in AKI. CONCLUSIONS The current study suggests serum Nostrin as novel biomarker of AKI-associated mortality, KRT and Acute Kidney Disease.
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Affiliation(s)
- Stefan Erfurt
- Brandenburg Medical School Theodor Fontane, Institute of Biochemistry, Brandenburg an der Havel, Germany
- Department of Internal Medicine I—Cardiology, Nephrology and Internal Intensive Medicine, Brandenburg University Hospital, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
| | - Martin Lauxmann
- Brandenburg Medical School Theodor Fontane, Institute of Biochemistry, Brandenburg an der Havel, Germany
- Department of Internal Medicine I—Cardiology, Nephrology and Internal Intensive Medicine, Brandenburg University Hospital, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
| | - Katharina Asmus
- Department of Internal Medicine I—Cardiology, Nephrology and Internal Intensive Medicine, Brandenburg University Hospital, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
| | - Stefanie Oess
- Brandenburg Medical School Theodor Fontane, Institute of Biochemistry, Brandenburg an der Havel, Germany
- Faculty of Health Sciences (FGW), Joint Faculty of the University of Potsdam, The Brandenburg Medical School Theodor Fontane and the Brandenburg Technical University, Cottbus-Senftenberg, Germany
| | - Daniel Patschan
- Department of Internal Medicine I—Cardiology, Nephrology and Internal Intensive Medicine, Brandenburg University Hospital, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Faculty of Health Sciences (FGW), Joint Faculty of the University of Potsdam, The Brandenburg Medical School Theodor Fontane and the Brandenburg Technical University, Cottbus-Senftenberg, Germany
| | - Meike Hoffmeister
- Brandenburg Medical School Theodor Fontane, Institute of Biochemistry, Brandenburg an der Havel, Germany
- Faculty of Health Sciences (FGW), Joint Faculty of the University of Potsdam, The Brandenburg Medical School Theodor Fontane and the Brandenburg Technical University, Cottbus-Senftenberg, Germany
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Benchoula K, Khatib A, Jaffar A, Ahmed QU, Sulaiman WMAW, Wahab RA, El-Seedi HR. The promise of zebrafish as a model of metabolic syndrome. Exp Anim 2019; 68:407-416. [PMID: 31118344 PMCID: PMC6842808 DOI: 10.1538/expanim.18-0168] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Metabolic syndrome is a cluster including hyperglycaemia, obesity, hypertension, and
hypertriglyceridaemia as a result of biochemical and physiological alterations and can
increase the risk of cardiovascular disease and diabetes. Fundamental research on this
disease requires validated animal models. One potential animal model that is rapidly
gaining in popularity is zebrafish (Danio rerio). The use of zebrafish as
an animal model conveys several advantages, including high human genetic homology,
transparent embryos and larvae that allow easier visualization. This review discusses how
zebrafish models contribute to the development of metabolic syndrome studies. Different
diseases in the cluster of metabolic syndrome, such as hyperglycaemia, obesity, diabetes,
and hypertriglyceridaemia, have been successfully studied using zebrafish; and the model
is promising for hypertension and cardiovascular metabolic-related diseases due to its
genetic similarity to mammals. Genetic mutation, chemical induction, and dietary
alteration are among the tools used to improve zebrafish models. This field is expanding,
and thus, more effective and efficient techniques are currently developed to fulfil the
increasing demand for thorough investigations.
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Affiliation(s)
- Khaled Benchoula
- Department of Basic Medical Sciences, Kulliyyah of Pharmacy, International Islamic University Malaysia, Sultan Ahmad Shah Street, Kuantan 25200, Pahang, Malaysia
| | - Alfi Khatib
- Pharmacognosy Research Group, Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, Sultan Ahmad Shah Street, Kuantan 25200, Pahang, Malaysia.,Central Research and Animal Facility (CREAM), Kulliyyah of Science, International Islamic University Malaysia, Sultan Ahamad Shah Street, Kuantan 25200, Pahang, Malaysia
| | - Ashika Jaffar
- School of Biosciences & Technology, VIT University, Vellore 632014, India
| | - Qamar Udin Ahmed
- Pharmacognosy Research Group, Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, Sultan Ahmad Shah Street, Kuantan 25200, Pahang, Malaysia
| | - Wan Mohd Azizi Wan Sulaiman
- Department of Basic Medical Sciences, Kulliyyah of Pharmacy, International Islamic University Malaysia, Sultan Ahmad Shah Street, Kuantan 25200, Pahang, Malaysia
| | - Ridhwan Abd Wahab
- Kulliyah of Allied Health Science, International Islamic University Malaysia, Sultan Ahmad Shah Street, Kuantan 25200, Pahang, Malaysia
| | - Hesham R El-Seedi
- Pharmacognosy Group, Department of Medicinal Chemistry, Biomedical Centre, Uppsala University, Box 574, SE-751 23 Uppsala, Sweden.,Alrayan Medical colleges, Medina 42541, Kingdom of Saudi Arabia
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Biomarkers of renal dysfunction among Ghanaian patients with type 2 diabetes mellitus- a cross-sectional study. Int J Diabetes Dev Ctries 2018. [DOI: 10.1007/s13410-018-0615-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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4
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Chakraborty S, Ain R. Nitric-oxide synthase trafficking inducer is a pleiotropic regulator of endothelial cell function and signaling. J Biol Chem 2017; 292:6600-6620. [PMID: 28235804 DOI: 10.1074/jbc.m116.742627] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 02/22/2017] [Indexed: 01/27/2023] Open
Abstract
Endothelial nitric-oxide synthase (eNOS) and its bioactive product, nitric oxide (NO), mediate many endothelial cell functions, including angiogenesis and vascular permeability. For example, vascular endothelial growth factor (VEGF)-mediated angiogenesis is inhibited upon reduction of NO bioactivity both in vitro and in vivo Moreover, genetic disruption or pharmacological inhibition of eNOS attenuates angiogenesis during tissue repair, resulting in delayed wound closure. These observations emphasize that eNOS-derived NO can promote angiogenesis. Intriguingly, eNOS activity is regulated by nitric-oxide synthase trafficking inducer (NOSTRIN), which sequesters eNOS, thereby attenuating NO production. This has prompted significant interest in NOSTRIN's function in endothelial cells. We show here that NOSTRIN affects the functional transcriptome of endothelial cells by down-regulating several genes important for invasion and angiogenesis. Interestingly, the effects of NOSTRIN on endothelial gene expression were independent of eNOS activity. NOSTRIN also affected the expression of secreted cytokines involved in inflammatory responses, and ectopic NOSTRIN overexpression functionally restricted endothelial cell proliferation, invasion, adhesion, and VEGF-induced capillary tube formation. Furthermore, NOSTRIN interacted directly with TNF receptor-associated factor 6 (TRAF6), leading to the suppression of NFκB activity and inhibition of AKT activation via phosphorylation. Interestingly, TNF-α-induced NFκB pathway activation was reversed by NOSTRIN. We found that the SH3 domain of NOSTRIN is involved in the NOSTRIN-TRAF6 interaction and is required for NOSTRIN-induced down-regulation of endothelial cell proteins. These results have broad biological implications, as aberrant NOSTRIN expression leading to deactivation of the NFκB pathway, in turn triggering an anti-angiogenic cascade, might inhibit tumorigenesis and cancer progression.
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Affiliation(s)
- Shreeta Chakraborty
- From the Division of Cell Biology and Physiology, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata 700032, West Bengal, India
| | - Rupasri Ain
- From the Division of Cell Biology and Physiology, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata 700032, West Bengal, India
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5
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Prabhudesai S, Bensabeur FZ, Abdullah R, Basak I, Baez S, Alves G, Holtzman NG, Larsen JP, Møller SG. LRRK2 knockdown in zebrafish causes developmental defects, neuronal loss, and synuclein aggregation. J Neurosci Res 2016; 94:717-35. [PMID: 27265751 DOI: 10.1002/jnr.23754] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 03/31/2016] [Accepted: 03/31/2016] [Indexed: 12/30/2022]
Abstract
Although mutations in the leucine-rich repeat kinase 2 (LRRK2) gene are the most common cause of genetic Parkinson's disease, their function is largely unknown. LRRK2 is pleiotropic in nature, shown to be involved in neurodegeneration and in more peripheral processes, including kidney functions, in rats and mice. Recent studies in zebrafish have shown conflicting evidence that removal of the LRRK2 WD40 domain may or may not affect dopaminergic neurons and/or locomotion. This study shows that ∼50% LRRK2 knockdown in zebrafish causes not only neuronal loss but also developmental perturbations such as axis curvature defects, ocular abnormalities, and edema in the eyes, lens, and otic vesicles. We further show that LRRK2 knockdown results in significant neuronal loss, including a reduction of dopaminergic neurons. Immunofluorescence demonstrates that endogenous LRRK2 is expressed in the lens, brain, heart, spinal cord, and kidney (pronephros), which mirror the LRRK2 morphant phenotypes observed. LRRK2 knockdown results further in the concomitant upregulation of β-synuclein, PARK13, and SOD1 and causes β-synuclein aggregation in the diencephalon, midbrain, hindbrain, and postoptic commissure. LRRK2 knockdown causes mislocalization of the Na(+) /K(+) ATPase protein in the pronephric ducts, suggesting that the edema might be linked to renal malfunction and that LRRK2 might be associated with pronephric duct epithelial cell differentiation. Combined, our study shows that LRRK2 has multifaceted roles in zebrafish and that zebrafish represent a complementary model to further our understanding of this central protein. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | | | - Rashed Abdullah
- Department of Biological Sciences, St. John's University, Queens, New York
| | - Indranil Basak
- Department of Biological Sciences, St. John's University, Queens, New York
| | - Solange Baez
- Department of Biological Sciences, St. John's University, Queens, New York
| | - Guido Alves
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway
| | - Nathalia G Holtzman
- Department of Biology, Queens College and The Graduate Center, CUNY, Queens, New York
| | - Jan Petter Larsen
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway
| | - Simon Geir Møller
- Department of Biological Sciences, St. John's University, Queens, New York.,The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway
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Zhu X, Chen Z, Zeng C, Wang L, Xu F, Hou Q, Liu Z. Ultrastructural characterization of the pronephric glomerulus development in zebrafish. J Morphol 2016; 277:1104-12. [PMID: 27185367 DOI: 10.1002/jmor.20560] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 04/18/2016] [Accepted: 04/23/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Xiaodong Zhu
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Zhaohong Chen
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Caihong Zeng
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Ling Wang
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Feng Xu
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Qing Hou
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
| | - Zhihong Liu
- National Clinical Research Center of Kidney Disease; Jinling Hospital, Nanjing University School of Medicine; Nanjing China
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Hanke N, King BL, Vaske B, Haller H, Schiffer M. A Fluorescence-Based Assay for Proteinuria Screening in Larval Zebrafish (Danio rerio). Zebrafish 2015; 12:372-6. [PMID: 26125680 DOI: 10.1089/zeb.2015.1093] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Analysis of genes compromising the glomerular filtration barrier in rodent models using transgenic or knockdown approaches is time- and resource-consuming and often leads to unsatisfactory results. Therefore, it would be beneficial to have a selection tool indicating that your gene of interest is in fact associated with proteinuria. Zebrafish (Danio rerio) is a rapid screening tool to study effects in glomerular filtration barrier integrity after genetic manipulation. We use either injection of high-molecular-weight dextrans or a transgenic fluorescent fish line [Tg(l-fabp:DBP:EGFP)] expressing a vitamin D-binding protein fused with eGFP for indirect detection of proteinuria. A loss of high-molecular-weight proteins from the circulation of the fish into the urine can be identified by monitoring fluorescence intensity in the zebrafish eye. Paired with an optimized analysis method, this assay provides an effective screening solution to detect filtration barrier damage with proteinuria before moving to a mammalian system.
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Affiliation(s)
- Nils Hanke
- 1 Division of Nephrology, Hannover Medical School , Hannover, Germany
| | - Benjamin L King
- 2 Mount Desert Island Biological Laboratory , Bar Harbor, Maine
| | - Bernhard Vaske
- 3 Division of Biometry, Hannover Medical School , Hannover, Germany
| | - Hermann Haller
- 1 Division of Nephrology, Hannover Medical School , Hannover, Germany .,2 Mount Desert Island Biological Laboratory , Bar Harbor, Maine
| | - Mario Schiffer
- 1 Division of Nephrology, Hannover Medical School , Hannover, Germany .,2 Mount Desert Island Biological Laboratory , Bar Harbor, Maine
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8
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Pharmacological targeting of actin-dependent dynamin oligomerization ameliorates chronic kidney disease in diverse animal models. Nat Med 2015; 21:601-9. [PMID: 25962121 PMCID: PMC4458177 DOI: 10.1038/nm.3843] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 03/18/2015] [Indexed: 12/11/2022]
Abstract
Dysregulation of the actin cytoskeleton in podocytes represents a common pathway in the pathogenesis of proteinuria across a spectrum of chronic kidney diseases (CKD). The GTPase dynamin has been implicated in the maintenance of cellular architecture in podocytes through its direct interaction with actin. Furthermore, the propensity of dynamin to oligomerize into higher-order structures in an actin-dependent manner and to crosslink actin microfilaments into higher order structures have been correlated with increased actin polymerization and global organization of the actin cytoskeleton in the cell. We found that use of the small molecule Bis-T-23, which promotes actin-dependent dynamin oligomerization and thus increased actin polymerization in injured podocytes, was sufficient to improve renal health in diverse models of both transient kidney disease and of CKD. In particular, administration of Bis-T-23 in these renal disease models restored the normal ultrastructure of podocyte foot processes, lowered proteinuria, lowered collagen IV deposits in the mesangial matrix, diminished mesangial matrix expansion and extended lifespan. These results further establish that alterations in the actin cytoskeleton of kidney podocytes is a common hallmark of CKD, while also underscoring the significant regenerative potential of injured glomeruli and that targeting the oligomerization cycle of dynamin represents an attractive potential therapeutic target to treat CKD.
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Lu W, Liu S, Zhao Z, Liu Y, Li T. The effect of connective tissue growth factor on renal fibrosis and podocyte injury in hypertensive rats. Ren Fail 2014; 36:1420-7. [DOI: 10.3109/0886022x.2014.934692] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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10
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Kroeger PT, Wingert RA. Using zebrafish to study podocyte genesis during kidney development and regeneration. Genesis 2014; 52:771-92. [PMID: 24920186 DOI: 10.1002/dvg.22798] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 06/08/2014] [Accepted: 06/09/2014] [Indexed: 12/21/2022]
Abstract
During development, vertebrates form a progression of up to three different kidneys that are comprised of functional units termed nephrons. Nephron composition is highly conserved across species, and an increasing appreciation of the similarities between zebrafish and mammalian nephron cell types has positioned the zebrafish as a relevant genetic system for nephrogenesis studies. A key component of the nephron blood filter is a specialized epithelial cell known as the podocyte. Podocyte research is of the utmost importance as a vast majority of renal diseases initiate with the dysfunction or loss of podocytes, resulting in a condition known as proteinuria that causes nephron degeneration and eventually leads to kidney failure. Understanding how podocytes develop during organogenesis may elucidate new ways to promote nephron health by stimulating podocyte replacement in kidney disease patients. In this review, we discuss how the zebrafish model can be used to study kidney development, and how zebrafish research has provided new insights into podocyte lineage specification and differentiation. Further, we discuss the recent discovery of podocyte regeneration in adult zebrafish, and explore how continued basic research using zebrafish can provide important knowledge about podocyte genesis in embryonic and adult environments. genesis 52:771-792, 2014. © 2014 Wiley Periodicals, Inc.
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Affiliation(s)
- Paul T Kroeger
- Department of Biological Sciences and Center for Zebrafish Research, University of Notre Dame, Notre Dame, Indiana, 46556
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