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Robak P, Ożgo M, Lepczyński A, Herosimczyk A, Barszcz M, Taciak M, Skomiał J. Proteome changes in renal cortex and medulla induced by dietary supplementation with inulin-type fructans in growing pigs. J Anim Physiol Anim Nutr (Berl) 2019; 103:1837-1847. [PMID: 31368153 DOI: 10.1111/jpn.13170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 03/29/2019] [Accepted: 06/30/2019] [Indexed: 12/15/2022]
Abstract
The aim of the study was to evaluate the influence of dietary supplementation with inulin extract from chicory root and dried chicory root on the protein profile of the renal cortex and medulla of growing pigs. The experiment was carried out on renal cortex and medulla tissue collected from 24 50-day-old PIC x Penarlan P76 crossbred piglets (males). Animals were divided into three dietary groups (n = 8) and fed with a control diet, diet supplemented with 2% inulin extract from chicory root and a diet supplemented with 4% dried chicory root. Kidney samples were collected after 40 days of feeding, and renal cortex and medulla proteins were separated by two-dimensional electrophoresis. Protein identification was performed using MALDI-TOF mass spectrometry. The diet supplemented with 2% chicory inulin induced significant expression changes of 20 and 26 protein spots in the renal cortex and medulla respectively. Supplementation with 4% dried chicory root triggered changes in the expression of 44 and 24 proteins in the renal cortex and medulla respectively. Both forms of chicory inulin-type fructans effectively affected the expression of proteins involved in energy metabolism, heat shock proteins and other chaperones, cytoskeletal and cytoskeleton-related proteins, as well as other proteins. Additionally, changes in transferrin abundance in both experimental groups suggested the significance of chicory fructan supplementation for iron absorption and bioavailability. In conclusion, 2% inulin extract from chicory root and 4% dried chicory root exerted a similar effect on changes in renal protein expression; however, more pronounced alterations were induced by dried chicory root. Nevertheless, further studies are needed for better understanding the mechanism underlying the effect of chicory inulin-type fructans and their fermentation end products on the kidneys of growing pigs.
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Affiliation(s)
- Paulina Robak
- Department of Physiology, Cytobiology and Proteomics, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology Szczecin, Szczecin, Poland
| | - Małgorzata Ożgo
- Department of Physiology, Cytobiology and Proteomics, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology Szczecin, Szczecin, Poland
| | - Adam Lepczyński
- Department of Physiology, Cytobiology and Proteomics, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology Szczecin, Szczecin, Poland
| | - Agnieszka Herosimczyk
- Department of Physiology, Cytobiology and Proteomics, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology Szczecin, Szczecin, Poland
| | - Marcin Barszcz
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Jabłonna, Poland
| | - Marcin Taciak
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Jabłonna, Poland
| | - Jacek Skomiał
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Jabłonna, Poland
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Winges A, Garcia TB, Prager P, Wiedemann P, Kohen L, Bringmann A, Hollborn M. Osmotic expression of aldose reductase in retinal pigment epithelial cells: involvement of NFAT5. Graefes Arch Clin Exp Ophthalmol 2016; 254:2387-2400. [PMID: 27628063 DOI: 10.1007/s00417-016-3492-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 08/22/2016] [Accepted: 08/29/2016] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Diabetic retinopathy is associated with osmotic stress resulting from hyperglycemia and intracellular sorbitol accumulation. Systemic hypertension is a risk factor of diabetic retinopathy. High intake of dietary salt increases extracellular osmolarity resulting in systemic hypertension. We determined the effects of extracellular hyperosmolarity, chemical hypoxia, and oxidative stress on the gene expression of enzymes involved in sorbitol production and conversion in cultured human retinal pigment epithelial (RPE) cells. METHODS Alterations in the expression of aldose reductase (AR) and sorbitol dehydrogenase (SDH) genes were examined with real-time RT-PCR. Protein levels were determined with Western blot analysis. Nuclear factor of activated T cell 5 (NFAT5) was knocked down with siRNA. RESULTS AR gene expression in RPE cells was increased by high (25 mM) extracellular glucose, CoCl2 (150 μM)-induced chemical hypoxia, H2O2 (20 μM)-induced oxidative stress, and extracellular hyperosmolarity induced by addition of NaCl or sucrose. Extracellular hyperosmolarity (but not hypoxia) also increased AR protein level. SDH gene expression was increased by hypoxia and oxidative stress, but not extracellular hyperosmolarity. Hyperosmolarity and hypoxia did not alter the SDH protein level. The hyperosmotic AR gene expression was dependent on activation of metalloproteinases, autocrine/paracrine TGF-β signaling, activation of p38 MAPK, ERK1/2, and PI3K signal transduction pathways, and the transcriptional activity of NFAT5. Knockdown of NAFT5 or inhibition of AR decreased the cell viability under hyperosmotic (but not hypoxic) conditions and aggravated the hyperosmotic inhibition of cell proliferation. CONCLUSIONS The data suggest that sorbitol accumulation in RPE cells occurs under hyperosmotic, but not hypoxic and oxidative stress conditions. NFAT5- and AR-mediated sorbitol accumulation may protect RPE cells under conditions of osmotic stress.
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Affiliation(s)
- Anica Winges
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
| | - Tarcyane Barata Garcia
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
| | - Philipp Prager
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
| | - Peter Wiedemann
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
| | - Leon Kohen
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
- Helios Klinikum Aue, Aue, Germany
| | - Andreas Bringmann
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany
| | - Margrit Hollborn
- Department of Ophthalmology and Eye Hospital, Faculty of Medicine, University of Leipzig, Liebigstrasse 10-14, D-04103, Leipzig, Germany.
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Gui L, Zhang P, Liang X, Su M, Wu D, Zhang J. Adaptive responses to osmotic stress in kidney-derived cell lines from Scatophagus argus , a euryhaline fish. Gene 2016; 583:134-140. [DOI: 10.1016/j.gene.2016.02.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 12/06/2015] [Accepted: 02/10/2016] [Indexed: 10/22/2022]
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Dudka I, Kossowska B, Senhadri H, Latajka R, Hajek J, Andrzejak R, Antonowicz-Juchniewicz J, Gancarz R. Metabonomic analysis of serum of workers occupationally exposed to arsenic, cadmium and lead for biomarker research: a preliminary study. ENVIRONMENT INTERNATIONAL 2014; 68:71-81. [PMID: 24713610 DOI: 10.1016/j.envint.2014.03.015] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 03/17/2014] [Accepted: 03/18/2014] [Indexed: 05/20/2023]
Abstract
Environmental metabonomics is the application of metabonomics to characterize the interactions of organisms with their environment. Metabolic profiling is an exciting addition to the armory of the epidemiologist for the discovery of new disease risk biomarkers and diagnostics. This work is a continuation of research searching for preclinical serum markers in a group of 389 healthy smelter workers exposed to lead, cadmium and arsenic. Changes in the metabolic profiles were studied using Proton Nuclear Magnetic Resonance Spectroscopy on pooled serum samples from both the metal exposed and control groups. These multivariate metabonomic datasets were analyzed with Principal Component Analysis and Partial Least Squares Discriminant Analysis. Analysis of metabolic profiles of people exposed to heavy metals suggests energy metabolism disturbance induced by heavy metals. Changes in lipid fraction (very-low-density lipoprotein - VLDL, low-density lipoprotein - LDL), unsaturated lipids and in the level of amino acids suggest perturbation of the metabolism of lipids and amino acids. This study illustrated the high reliability of NMR-based metabonomic profiling on the study of the biochemical effects induced by the mixture of heavy metals. This approach is capable of identifying intermediate biomarkers of response to toxicants at environmental/occupational concentrations, paving the way to its use in a monitoring of smelter workers exposed to low doses of lead, cadmium and arsenic.
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Affiliation(s)
- Ilona Dudka
- Organic and Pharmaceutical Technology Group, Department of Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
| | - Barbara Kossowska
- Wroclaw Medical University, Wybrzeże L. Pasteura 1, 50-367 Wrocław, Poland.
| | - Hanna Senhadri
- Institute of Biomedical Engineering and Instrumentation, Faculty of Fundamental Problems of Technology, Wrocław University of Technology, Plac Grunwaldzki 13, 50-377 Wrocław, Poland.
| | - Rafał Latajka
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Julianna Hajek
- Organic and Pharmaceutical Technology Group, Department of Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
| | - Ryszard Andrzejak
- Department of Internal and Occupational Medicine, Wroclaw Medical University, Wybrzeże L. Pasteura 4, 50-367 Wrocław, Poland.
| | - Jolanta Antonowicz-Juchniewicz
- Department of Internal and Occupational Medicine, Wroclaw Medical University, Wybrzeże L. Pasteura 4, 50-367 Wrocław, Poland.
| | - Roman Gancarz
- Organic and Pharmaceutical Technology Group, Department of Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
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Klawitter J, Klawitter J, Schmitz V, Brunner N, Crunk A, Corby K, Bendrick-Peart J, Leibfritz D, Edelstein CL, Thurman JM, Christians U. Low-salt diet and cyclosporine nephrotoxicity: changes in kidney cell metabolism. J Proteome Res 2012; 11:5135-44. [PMID: 23057591 DOI: 10.1021/pr300260e] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Cyclosporine (CsA) is a highly effective immunosuppressant used in patients after transplantation; however, its use is limited by nephrotoxicity. Salt depletion is known to enhance CsA-induced nephrotoxicity in the rat, but the underlying molecular mechanisms are not completely understood. The goal of our study was to identify the molecular effects of salt depletion alone and in combination with CsA on the kidney using a proteo-metabolomic strategy. Rats (n = 6) were assigned to four study groups: (1) normal controls, (2) low-salt fed controls, (3) 10 mg/kg/d CsA for 28 days on a normal diet, (4) 10 mg/kg/d CsA for 28 days on low-salt diet. Low-salt diet redirected kidney energy metabolism toward mitochondria as indicated by a higher energy charge than in normal-fed controls. Low-salt diet alone reduced phospho-AKT and phospho-STAT3 levels and changed the expression of ion transporters PDZK1 and CLIC1. CsA induced macro- and microvesicular tubular epithelial vacuolization and reduced energy charge, changes that were more significant in low-salt fed animals, probably because of their more pronounced dependence on mitochondria. Here, CsA increased phospho-JAK2 and phospho-STAT3 levels and reduced the phospho-IKKγ and p65 proteins, thus activating NF-κB signaling. Decreased expression of lactate transport regulator CD147 and phospho-AKT was also observed after CsA exposure in low-salt rats, indicating a decrease in glycolysis. In summary, our study suggests a key role for PDZK1, CD147, JAK/STAT, and AKT signaling in CsA-induced nephrotoxicity and proposes mechanistic explanations on why rats fed a low-salt diet have higher sensitivity to CsA.
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Affiliation(s)
- Jelena Klawitter
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA.,Division of Renal Diseases and Hypertension, University of Colorado, Aurora, Colorado, USA
| | - Jost Klawitter
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
| | - Volker Schmitz
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA.,Department of General-, Visceral- and Transplantation Surgery, Charité, Campus Virchow, Berlin, Germany
| | - Nina Brunner
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA.,Department of General-, Visceral- and Transplantation Surgery, Charité, Campus Virchow, Berlin, Germany
| | - Amanda Crunk
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
| | - Kyler Corby
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
| | | | - Dieter Leibfritz
- Institute for Organic Chemistry, Universität Bremen, Bremen, Germany
| | - Charles L Edelstein
- Division of Renal Diseases and Hypertension, University of Colorado, Aurora, Colorado, USA
| | - Joshua M Thurman
- Division of Renal Diseases and Hypertension, University of Colorado, Aurora, Colorado, USA
| | - Uwe Christians
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
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Oswald ES, Brown LM, Bulinski JC, Hung CT. Label-free protein profiling of adipose-derived human stem cells under hyperosmotic treatment. J Proteome Res 2011; 10:3050-9. [PMID: 21604804 DOI: 10.1021/pr200030v] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Our previous work suggested that treatment of cells with hyperosmotic media during 2D passaging primes cells for cartilage tissue engineering applications. Here, we used label-free proteomic profiling to evaluate the effects of control and hyperosmotic treatment environments on the phenotype of multipotent adipose-derived stem cells (ASCs) cultivated with a chondrogenic growth factor cocktail. Spectra were recorded in a data-independent fashion at alternate low (precursor) and high (product) fragmentation voltages (MS(E)). This method was supplemented with data mining of accurate mass and retention time matches in precursor ion spectra across the experiment. The results indicated a complex cellular response to osmotic treatment, with a number of proteins differentially expressed between control and treated cell groups. The roles of some of these proteins have been documented in the literature as characteristic of the physiological states studied, especially aldose reductase (osmotic stress). This protein acted as a positive control in this work, providing independent corroborative validation. Other proteins, including 5'-nucleotidase and transgelin, have been previously linked to cell differentiation state. This study demonstrates that label-free profiling can serve as a useful tool in characterizing cellular responses to chondrogenic treatment regimes, recommending its use in optimization of cell priming protocols for cartilage tissue engineering.
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Affiliation(s)
- Elizabeth S Oswald
- Department of Biomedical Engineering, Columbia University, New York, New York, USA
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Lanaspa MA, Andres-Hernando A, Rivard CJ, Dai Y, Li N, Berl T. ZAC1 is up-regulated by hypertonicity and decreases sorbitol dehydrogenase expression, allowing accumulation of sorbitol in kidney cells. J Biol Chem 2009; 284:19974-81. [PMID: 19423711 PMCID: PMC2740423 DOI: 10.1074/jbc.m109.001792] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2009] [Revised: 05/01/2009] [Indexed: 01/09/2023] Open
Abstract
Affymetrix GeneChip technology was employed to detect differentially expressed genes in inner medullary collecting duct (IMCD3) cells grown under isotonic and hypertonic conditions. A marked up-regulation was found for the zinc-finger protein ZAC1 under hypertonic stress (219-fold, p < 0.001). Changes in expression for ZAC1 were verified by quantitative PCR for message and Western blotting for protein. In mouse and human kidney tissues, ZAC1 expression was substantial in the papilla and was absent in the cortex. Furthermore, ZAC1 expression significantly increased in the papilla of mice following 36 h of fluid restriction and decreased in polyuric mice consuming sucrose in water. Because ZAC1 has been described to be a potential negative regulator of sorbitol dehydrogenase (SDH) in hippocampal cells, we examined whether this relationship also occurs in kidney cells under hypertonic stress. We found that stable IMCD3 clones silenced for ZAC1 to varying levels demonstrated an inverse effect on SDH expression. ZAC1 binds to a consensus repression site within the promoter of SDH, pointing to a mechanism whereby ZAC1 acts by repressing SDH transcriptional activity during hypertonic conditions. Taken together, these data strongly suggest that ZAC1 is up-regulated under hypertonic stress and negatively regulates expression of SDH, allowing for accumulation of sorbitol as a compatible organic osmolyte.
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Affiliation(s)
- Miguel A. Lanaspa
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
| | - Ana Andres-Hernando
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
| | - Christopher J. Rivard
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
| | - Yue Dai
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
| | - Nanxing Li
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
| | - Tomas Berl
- From the Department of Renal Diseases and Hypertension, University of Colorado Health Sciences Center, Aurora, Colorado 80045
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Pihakaski-Maunsbach K, Nonaka S, Maunsbach AB. Expression and trafficking of the gamma subunit of Na,K-ATPase in hypertonically challenged IMCD3 cells. Acta Histochem Cytochem 2008; 41:105-14. [PMID: 18787637 PMCID: PMC2532601 DOI: 10.1267/ahc.08018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Accepted: 06/20/2008] [Indexed: 11/22/2022] Open
Abstract
The gamma subunit (FXYD2) of Na,K-ATPase is an important regulator of the sodium pump. In this investigation we have analysed the trafficking of gamma to the plasma membrane in cultures of inner medullary collecting duct cells (IMCD3) following acute hypertonic challenge and brefeldin A (BFA) treatment. Following hypertonic challenging for 24 hr immunofluorescence labeling revealed initial co-localization of the gamma subunit and 58K Golgi protein in the cytoplasm, but no co-localization of alpha1 and Golgi protein. Exposure of the challenged cells to BFA prevented the subsequent incorporation of gamma into the basolateral plasma membrane. The gamma subunit instead remained in cytoplasmic vesicles while cell proliferation and cell viability decreased simultaneously. Following removal of BFA from the hypertonic medium the IMCD3 cells recovered with distinct expression of gamma in the basolateral membrane. The alpha1 subunit was only marginally influenced by BFA. The results demonstrate that the gamma subunit trafficks to the plasma membrane via the Golgi apparatus, despite the absence of a signal sequence. The results also suggest that the gamma and alpha subunits do not traffic together to the plasma membrane, and that the gamma and alpha subunit have different turnover rates during these experimental conditions.
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Affiliation(s)
| | - Shoichi Nonaka
- The Water and Salt Research Center, Department of Cell Biology, Institute of Anatomy, University of Aarhus
- Department of Urology, Saitama Medical University
| | - Arvid B. Maunsbach
- The Water and Salt Research Center, Department of Cell Biology, Institute of Anatomy, University of Aarhus
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