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Vlasova AD, Bukhalovich SM, Bagaeva DF, Polyakova AP, Ilyinsky NS, Nesterov SV, Tsybrov FM, Bogorodskiy AO, Zinovev EV, Mikhailov AE, Vlasov AV, Kuklin AI, Borshchevskiy VI, Bamberg E, Uversky VN, Gordeliy VI. Intracellular microbial rhodopsin-based optogenetics to control metabolism and cell signaling. Chem Soc Rev 2024; 53:3327-3349. [PMID: 38391026 DOI: 10.1039/d3cs00699a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Microbial rhodopsin (MRs) ion channels and pumps have become invaluable optogenetic tools for neuroscience as well as biomedical applications. Recently, MR-optogenetics expanded towards subcellular organelles opening principally new opportunities in optogenetic control of intracellular metabolism and signaling via precise manipulations of organelle ion gradients using light. This new optogenetic field expands the opportunities for basic and medical studies of cancer, cardiovascular, and metabolic disorders, providing more detailed and accurate control of cell physiology. This review summarizes recent advances in studies of the cellular metabolic processes and signaling mediated by optogenetic tools targeting mitochondria, endoplasmic reticulum (ER), lysosomes, and synaptic vesicles. Finally, we discuss perspectives of such an optogenetic approach in both fundamental and applied research.
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Affiliation(s)
- Anastasiia D Vlasova
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Siarhei M Bukhalovich
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Diana F Bagaeva
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Aleksandra P Polyakova
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Nikolay S Ilyinsky
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Semen V Nesterov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Fedor M Tsybrov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Andrey O Bogorodskiy
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Egor V Zinovev
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Anatolii E Mikhailov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Alexey V Vlasov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russia
| | - Alexander I Kuklin
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russia
| | - Valentin I Borshchevskiy
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russia
| | - Ernst Bamberg
- Max Planck Institute of Biophysics, Frankfurt am Main, Germany
| | - Vladimir N Uversky
- Department of Molecular Medicine and Byrd Alzheimer's Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA.
| | - Valentin I Gordeliy
- Institut de Biologie Structurale Jean-Pierre Ebel, Université Grenoble Alpes-Commissariat à l'Energie Atomique et aux Energies Alternatives-CNRS, 38027 Grenoble, France.
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2
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Pawłowska M, Mila-Kierzenkowska C. Effect of Alpha-1 Antitrypsin and Irisin on Post-Exercise Inflammatory Response: A Narrative Review. IRANIAN JOURNAL OF MEDICAL SCIENCES 2024; 49:205-218. [PMID: 38680225 PMCID: PMC11053258 DOI: 10.30476/ijms.2023.97480.2925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/12/2023] [Accepted: 02/16/2023] [Indexed: 05/01/2024]
Abstract
Physical activity has a positive effect on human health and emotional well-being. However, in both amateur and professional athletes, training poses a risk of acute or chronic injury through repetitive overloading of bones, joints, and muscles. Inflammation can be an adverse effect of intense exercise caused by several factors including oxidative stress. The present narrative review summarizes current knowledge on inflammatory markers induced by physical exercise. Post-exercise recovery may reduce inflammatory responses and is key to effective training and adaptation of muscle tissues to sustained physical exertion.
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Affiliation(s)
- Marta Pawłowska
- Department of Medical Biology and Biochemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland
| | - Celestyna Mila-Kierzenkowska
- Department of Medical Biology and Biochemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland
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Sachs W, Blume L, Loreth D, Schebsdat L, Hatje F, Koehler S, Wedekind U, Sachs M, Zieliniski S, Brand J, Conze C, Florea BI, Heppner F, Krüger E, Rinschen MM, Kretz O, Thünauer R, Meyer-Schwesinger C. The proteasome modulates endocytosis specifically in glomerular cells to promote kidney filtration. Nat Commun 2024; 15:1897. [PMID: 38429282 PMCID: PMC10907641 DOI: 10.1038/s41467-024-46273-0] [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: 06/02/2023] [Accepted: 02/16/2024] [Indexed: 03/03/2024] Open
Abstract
Kidney filtration is ensured by the interaction of podocytes, endothelial and mesangial cells. Immunoglobulin accumulation at the filtration barrier is pathognomonic for glomerular injury. The mechanisms that regulate filter permeability are unknown. Here, we identify a pivotal role for the proteasome in a specific cell type. Combining genetic and inhibitor-based human, pig, mouse, and Drosophila models we demonstrate that the proteasome maintains filtration barrier integrity, with podocytes requiring the constitutive and glomerular endothelial cells the immunoproteasomal activity. Endothelial immunoproteasome deficiency as well as proteasome inhibition disrupt the filtration barrier in mice, resulting in pathologic immunoglobulin deposition. Mechanistically, we observe reduced endocytic activity, which leads to altered membrane recycling and endocytic receptor turnover. This work expands the concept of the (immuno)proteasome as a control protease orchestrating protein degradation and antigen presentation and endocytosis, providing new therapeutic targets to treat disease-associated glomerular protein accumulations.
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Affiliation(s)
- Wiebke Sachs
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Lukas Blume
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Desiree Loreth
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Lisa Schebsdat
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Favian Hatje
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Sybille Koehler
- Hamburg Center of Kidney Health, Hamburg, Germany
- Nephrology, III Medical Clinic, Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Uta Wedekind
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Marlies Sachs
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Stephanie Zieliniski
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | - Johannes Brand
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center of Kidney Health, Hamburg, Germany
| | | | - Bogdan I Florea
- Bio-Organic Synthesis Group, Leiden University, Leiden, The Netherlands
| | - Frank Heppner
- Institute of Neuropathology, Charité, Berlin, Germany
| | - Elke Krüger
- Institute of Medical Biochemistry and Molecular Biology, University Medicine Greifswald, Greifswald, Germany
| | - Markus M Rinschen
- Hamburg Center of Kidney Health, Hamburg, Germany
- Nephrology, III Medical Clinic, Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Oliver Kretz
- Hamburg Center of Kidney Health, Hamburg, Germany
- Nephrology, III Medical Clinic, Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Roland Thünauer
- Leibniz Institute of Virology, Hamburg, Germany
- Technology Platform Light Microscopy (TPLM), University Hamburg, Hamburg, Germany
- Advanced Light and Fluorescence Microscopy (ALFM) Facility at the Centre for Structural Systems Biology (CSSB), Hamburg, Germany
| | - Catherine Meyer-Schwesinger
- Institute of Cellular and Integrative Physiology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- Hamburg Center of Kidney Health, Hamburg, Germany.
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Farzipour S, Zefrei FJ, Bahadorikhalili S, Alvandi M, Salari A, Shaghaghi Z. Nanotechnology Utilizing Ferroptosis Inducers in Cancer Treatment. Anticancer Agents Med Chem 2024; 24:571-589. [PMID: 38275050 DOI: 10.2174/0118715206278427231215111526] [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: 10/06/2023] [Revised: 11/11/2023] [Accepted: 11/20/2023] [Indexed: 01/27/2024]
Abstract
Current cancer treatment options have presented numerous challenges in terms of reaching high efficacy. As a result, an immediate step must be taken to create novel therapies that can achieve more than satisfying outcomes in the fight against tumors. Ferroptosis, an emerging form of regulated cell death (RCD) that is reliant on iron and reactive oxygen species, has garnered significant attention in the field of cancer therapy. Ferroptosis has been reported to be induced by a variety of small molecule compounds known as ferroptosis inducers (FINs), as well as several licensed chemotherapy medicines. These compounds' low solubility, systemic toxicity, and limited capacity to target tumors are some of the significant limitations that have hindered their clinical effectiveness. A novel cancer therapy paradigm has been created by the hypothesis that ferroptosis induced by nanoparticles has superior preclinical properties to that induced by small drugs and can overcome apoptosis resistance. Knowing the different ideas behind the preparation of nanomaterials that target ferroptosis can be very helpful in generating new ideas. Simultaneously, more improvement in nanomaterial design is needed to make them appropriate for therapeutic treatment. This paper first discusses the fundamentals of nanomedicine-based ferroptosis to highlight the potential and characteristics of ferroptosis in the context of cancer treatment. The latest study on nanomedicine applications for ferroptosis-based anticancer therapy is then highlighted.
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Affiliation(s)
- Soghra Farzipour
- Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Fatemeh Jalali Zefrei
- Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Saeed Bahadorikhalili
- Department of Electronic Engineering, Universitat Rovira i Virgili, 43007, Tarragona, Spain
| | - Maryam Alvandi
- Cardiovascular Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Department of Nuclear Medicine and Molecular Imaging, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Arsalan Salari
- Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Zahra Shaghaghi
- Cardiovascular Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Cancer Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Ji H, Yuan L, Jiang W, Jiang Y, Jiang M, Sun X, Chen J. Bioinformatics analysis of immune cell infiltration patterns and potential diagnostic markers in atherosclerosis. Sci Rep 2023; 13:19821. [PMID: 37963970 PMCID: PMC10645850 DOI: 10.1038/s41598-023-47257-8] [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: 09/11/2023] [Accepted: 11/10/2023] [Indexed: 11/16/2023] Open
Abstract
This study aimed to investigate efficient diagnostic markers and molecular mechanisms of atherosclerosis and to analyze the role of immune infiltration through bioinformatics analysis. Expression profile datasets (GSE28829 and GSE43292) of patients with atherosclerosis and healthy controls were downloaded from the GEO database. Glutamine (GLN) metabolism-associated genes were obtained from the Molecular Signatures Database (MSigDB). The limma package in R was used to identify differentially expressed genes (DEGs). Significant modules were filtered using Weighted Gene Co-expression Network Analysis (WGCNA). MSigDB sets were subjected to Gene Set Enrichment Analysis and Gene Set Variation Analysis. The biological functions of DEGs were examined using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses. STRING and Cytoscape software were used to identify hub genes and functional modules through protein-protein interaction (PPI) network analysis. The xCell software was adopted to assess the composition patterns of immune and stromal cells. Correlation analyses were performed for key genes and immune cell subtypes. We identified 308 DEGs and GLN-associated genes. Functional enrichment analysis showed that these genes were strongly enriched in muscle contract, muscle tissue development, cutile fiber, mycobacterial, and actin binding. Enriched KEGG pathways comprised dilated cardiomyopathy, hypertrophic cardiomyopathy, and the cAMP signaling pathway. In the PPI network analysis, 27 genes were identified as hub genes. The area under the curve (AUC) values of 27 biomarkers were relatively high, indicating high diagnostic values. The atherosclerosis group exhibited a markedly higher degree of infiltration than the control group. This study identified 27 GLN-associated genes as potential biomarkers for the diagnosis of atherosclerosis. It provides a new perspective on immune responses that facilitates exploration of the molecular mechanisms of atherosclerosis.
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Affiliation(s)
- Haigang Ji
- Department of Cardiovascular Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, China
| | - Ling Yuan
- Department of Cardiovascular Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, China
| | - Wenbo Jiang
- Department of Cardiovascular Medicine, Suqian Hospital Affiliated to Nanjing University of Chinese Medicine, Suqian, 223800, China
| | - Yinke Jiang
- Department of Cardiovascular Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, China
| | - Mengke Jiang
- Department of Cardiovascular Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, China
| | - Xuemei Sun
- Department of Cardiovascular Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, China
| | - Jing Chen
- Department of Gastroenterology, Tongde Hospital of Zhejiang Province, Hangzhou, 310012, China.
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Liu T, Jin Q, Yang L, Mao H, Ma F, Wang Y, Li P, Zhan Y. Regulation of autophagy by natural polyphenols in the treatment of diabetic kidney disease: therapeutic potential and mechanism. Front Endocrinol (Lausanne) 2023; 14:1142276. [PMID: 37635982 PMCID: PMC10448531 DOI: 10.3389/fendo.2023.1142276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 07/24/2023] [Indexed: 08/29/2023] Open
Abstract
Diabetic kidney disease (DKD) is a major microvascular complication of diabetes and a leading cause of end-stage renal disease worldwide. Autophagy plays an important role in maintaining cellular homeostasis in renal physiology. In DKD, the accumulation of advanced glycation end products induces decreased renal autophagy-related protein expression and transcription factor EB (TFEB) nuclear transfer, leading to impaired autophagy and lysosomal function and blockage of autophagic flux. This accelerates renal resident cell injury and apoptosis, mediates macrophage infiltration and phenotypic changes, ultimately leading to aggravated proteinuria and fibrosis in DKD. Natural polyphenols show promise in treating DKD by regulating autophagy and promoting nuclear transfer of TFEB and lysosomal repair. This review summarizes the characteristics of autophagy in DKD, and the potential application and mechanisms of some known natural polyphenols as autophagy regulators in DKD, with the goal of contributing to a deeper understanding of natural polyphenol mechanisms in the treatment of DKD and promoting the development of their applications. Finally, we point out the limitations of polyphenols in current DKD research and provide an outlook for their future research.
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Affiliation(s)
- Tongtong Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qi Jin
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Liping Yang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Huimin Mao
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fang Ma
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuyang Wang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ping Li
- China-Japan Friendship Hospital, Institute of Medical Science, Beijing, China
| | - Yongli Zhan
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Zheng L, Yang X, Fan Q, Liu B, Hu W, Cui Y. Transcriptomic profiling identifies differentially expressed genes and related pathways associated with wound healing and cuproptosis-related genes in Ganxi goats. Front Vet Sci 2023; 10:1149333. [PMID: 37313229 PMCID: PMC10259478 DOI: 10.3389/fvets.2023.1149333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 04/10/2023] [Indexed: 06/15/2023] Open
Abstract
Introduction Wound healing is very important for the maintenance of immune barrier integrity, which has attracted wide attention in past 10 years. However, no studies on the regulation of cuproptosis in wound healing have been reported. Methods In this study, the skin injury model was constructed in Gnxi goats, and the function, regulatory network and hub genes of the skin before and after the injury were comprehensively analyzed by transcriptomics. Results The results showed that there were 1,438 differentially expressed genes (DEGs), genes up-regulated by 545 and genes down-regulated by 893, which were detected by comparing day 0 and day 5 posttraumatic skin. Based on GO-KEGG analysis, DEGs that were up-regulated tended to be enriched in lysosome, phagosome, and leukocyte transendothelial migration pathways, while down-regulated DEGs were significantly enriched in adrenergic signaling in cardiomyocytes and calcium signaling pathway. There were 166 overlapped genes (DE-CUGs) between DEGs and cuproptosis-related genes, with 72 up-regulated DE-CUGs and 94 down-regulated DE-CUGs. GOKEGG analysis showed that up-regulated DE-CUGs were significantly enriched in ferroptosis, leukocyte transendothelial migration and lysosome pathways, while down-regulated DE-CUGs were significantly enriched in Apelin signaling pathway and tyrosine metabolism pathways. By constructing and analyzing of protein-protein interaction (PPI) networks of DEGs and DE-CUGs, 10 hub DEGs (ENSCHIG00000020079, PLK1, AURKA, ASPM, CENPE, KIF20A, CCNB2, KIF2C, PRC1 and KIF4A) and 10 hub DE-CUGs (MMP2, TIMP1, MMP9, MMP14, TIMP3, MMP1, EDN1, GCAT, SARDH, and DCT) were obtained, respectively. Discussion This study revealed the hub genes and important wound healing pathways in Ganxi goats, and identified the correlation between wound healing and cuproptosis for the first time, and found that MMP2, TIMP1, MMP9, and EDN1 were the core genes associated. This study enriched the transcriptome data of wound healing in Ganxi goats and expanded the research direction of cuproptosis.
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Affiliation(s)
- Lucheng Zheng
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
| | - Xue Yang
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
| | - Qingcan Fan
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
| | - Ben Liu
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
| | - Wei Hu
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
| | - Yan Cui
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
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The role of lysosomes in metabolic and autoimmune diseases. Nat Rev Nephrol 2023; 19:366-383. [PMID: 36894628 DOI: 10.1038/s41581-023-00692-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2023] [Indexed: 03/11/2023]
Abstract
Lysosomes are catabolic organelles that contribute to the degradation of intracellular constituents through autophagy and of extracellular components through endocytosis, phagocytosis and macropinocytosis. They also have roles in secretory mechanisms, the generation of extracellular vesicles and certain cell death pathways. These functions make lysosomes central organelles in cell homeostasis, metabolic regulation and responses to environment changes including nutrient stresses, endoplasmic reticulum stress and defects in proteostasis. Lysosomes also have important roles in inflammation, antigen presentation and the maintenance of long-lived immune cells. Their functions are tightly regulated by transcriptional modulation via TFEB and TFE3, as well as by major signalling pathways that lead to activation of mTORC1 and mTORC2, lysosome motility and fusion with other compartments. Lysosome dysfunction and alterations in autophagy processes have been identified in a wide variety of diseases, including autoimmune, metabolic and kidney diseases. Deregulation of autophagy can contribute to inflammation, and lysosomal defects in immune cells and/or kidney cells have been reported in inflammatory and autoimmune pathologies with kidney involvement. Defects in lysosomal activity have also been identified in several pathologies with disturbances in proteostasis, including autoimmune and metabolic diseases such as Parkinson disease, diabetes mellitus and lysosomal storage diseases. Targeting lysosomes is therefore a potential therapeutic strategy to regulate inflammation and metabolism in a variety of pathologies.
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Liu C, Yan H, Wu J, Wang Z, He S, Zhao L, Zeng X. Lysosomes-targeting near-infrared fluorescent probe for the detection of pH in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 278:121368. [PMID: 35569197 DOI: 10.1016/j.saa.2022.121368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
A new near-infrared fluorescent probe Qcy-OH with a turn-on mechanism based on a acceptor-donor-acceptor (ADA) π-electron system that can undergo an internal charge transfer to form new fluorochromes was developed for monitoring pH fluctuations in biological systems. With the pH value increases, Qcy-OH exhibited a strong pH-sensitive response from 1.1 to 9.0 (pKa = 4.41) and a good linear response from pH 3.0 to 5.5 in aqueous solution and in living cells. In addition, based on the phenolic and ketonic structure interconversions of the fluorescent backbone, Qcy-OH showed rapidly and reversibly response to pH with high selectivity. Because the introduce of two benzothiazolium units in the backbone of the probe as the electron-withdrawing group to enhance the selectivity for intracellular lysosomes, the probe had been applied successfully for tracking lysosomal pH changes and the fluorescence changes showed a good linear enhancement from pH 3.0 to 7.4 in living cells. We believe that this sulfur-driving lysosomes-targeting ability of the probe affords a guarantee for achieving long-term monitoring of lysosomal pH biology by the elimination of harmful protonating effects of the probe.
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Affiliation(s)
- Chang Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Huimin Yan
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Jianhong Wu
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Zhiming Wang
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Song He
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Liancheng Zhao
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xianshun Zeng
- Tianjin Key Laboratory for Photoelectric Materials and Devices, and Key Laboratory of Display Materials & Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China; School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China.
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10
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Ren J, Wei H, Sun J, Feng X, Zhang Y, Yuan H, Miao J, Qi X, Qiao Y, Xiao B, Li Q. GSK3β-dependent lysosome biogenesis: An effective pathway to mitigate renal fibrosis with LM49. Front Pharmacol 2022; 13:925489. [PMID: 36225562 PMCID: PMC9550195 DOI: 10.3389/fphar.2022.925489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/08/2022] [Indexed: 11/24/2022] Open
Abstract
Renal fibrosis is an incurable disorder characterised by an imbalance of the extracellular matrix (ECM) favouring excess production over degradation. The identification of actionable pathways and agents that promote ECM degradation to restore ECM homeostasis may help mitigate renal fibrosis. In this study, we identified 5,2′-dibromo-2,4′,5′-trihydroxydiphenylmethanone (LM49), a compound we previously synthesised, as a small-molecule inducer of ECM degradation. LM49 administration efficiently reduced ECM deposition in renal tissue of diabetic nephropathy rats and in transforming growth factor β-treated renal fibroblast cells. LM49 promoted the cytosol-to-nucleus translocation of transcription factor EB (TFEB) to increase lysosome biogenesis, leading to lysosome-based degradation of the ECM. TFEB-mediated lysosome biogenesis was induced by LM49 directly inhibiting the activity of glycogen synthase kinase 3β (GSK3β) rather than mammalian target of rapamycin complex 1. LM49 inhibited GSK3β kinase activity concentration-dependently via competing with ATP. Direct binding between LM49 and GSK3β was confirmed by the bio-layer interferometry assay, cellular thermal shift assay, and drug affinity responsive target stability. A molecular docking and molecular dynamic simulation revealed that LM49 occupied the ATP pocket of GSK3β, which was consistent with the kinase activity assay. In summary, LM49 enhances TFEB-mediated lysosome biogenesis by directly inhibiting GSK3β, leading to the degradation of the ECM by lysosomes. The enhancement of GSK3β-dependent lysosome biogenesis to rebalance the ECM may be a novel strategy to counteract renal fibrosis, and LM49 may be a viable clinical candidate for treating this disorder.
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Affiliation(s)
- Jinhong Ren
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Huizhi Wei
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
| | - Jian Sun
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Xiue Feng
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
| | - Yuanlin Zhang
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Hongxia Yuan
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Junqiu Miao
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
| | - Xiaoming Qi
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Yuanbiao Qiao
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Baoguo Xiao
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Qingshan Li
- School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, China
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan, China
- *Correspondence: Qingshan Li,
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11
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Hutzfeldt AD, Tan Y, Bonin LL, Beck BB, Baumbach J, Lassé M, Demir F, Rinschen MM. Consensus draft of the native mouse podocyte-ome. Am J Physiol Renal Physiol 2022; 323:F182-F197. [PMID: 35796460 DOI: 10.1152/ajprenal.00058.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The podocyte is a key cell in maintaining renal filtration barrier integrity. Several recent studies have analyzed the entity of genome-coded molecules in the podocyte at deep resolution. This avenue of "podocyte-ome" research was enabled by a variety of techniques, including single-cell transcriptomics, FACS-sorting with and without genetically encoded markers, and deep acquisition of proteomics. However, data across various omics studies are not well-integrated with each other. Here, we aim to establish a common, simplified knowledgebase for the mouse "podocyte-ome" by integrating bulk RNA sequencing and bulk proteomics of sorted podocytes and single cell transcriptomics. Three datasets of each omics type from different laboratories, respectively, were integrated, visualized and bioinformatically analyzed. The procedure sheds light on conserved processes of podocytes, but also on limitations and specific features of the used technologies. High expression of glycan GPI anchor synthesis and turnover, and retinol metabolism was identified as a relatively understudied feature of podocytes, while there are both podocyte-enriched and podocyte-depleted actin binding molecules. We compiled aggregated data in an application that illustrates the features of the dataset and allows for exploratory analyses through individual gene query of podocyte identity in absolute and relative quantification towards other glomerular cell types, keywords, GO-terms and gene set enrichments. This consensus draft is a first step towards common molecular omics knowledge of kidney cells.
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Affiliation(s)
- Arvid D Hutzfeldt
- III Department of Medicine, grid.13648.38University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Yifan Tan
- Department of Biomedicine, grid.7048.bAarhus University, Aarhus, Denmark
| | - Léna Lydie Bonin
- Department of Biomedicine, grid.7048.bAarhus University, Aarhus, Denmark
| | - Bodo B Beck
- Institute of Human Genetics, Faculty of Medicine and University Hospital Cologne, grid.6190.eUniversity of Cologne, Cologne, Germany
| | - Jan Baumbach
- Institute for Computational Systems Biology, grid.9026.dUniversität Hamburg, Hamburg, Germany
| | - Moritz Lassé
- III Department of Medicine, grid.13648.38University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Fatih Demir
- Department of Biomedicine, grid.7048.bAarhus University, Aarhus, Denmark
| | - Markus M Rinschen
- Department of Biomedicine, grid.7048.bAarhus University, Aarhus, Denmark
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12
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Liburd ST, Shi AA, Pober JS, Tietjen GT. Wanted: An endothelial cell targeting atlas for nanotherapeutic delivery in allograft organs. Am J Transplant 2022; 22:1754-1759. [PMID: 35373446 PMCID: PMC9651180 DOI: 10.1111/ajt.17050] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/20/2022] [Accepted: 03/30/2022] [Indexed: 01/25/2023]
Abstract
Despite the profound shortage of organs available for transplant in the U.S., over 5,000 donated organs were declined for use in 2020. Many of these organs were declined due to donor comorbidities or preservation injuries that predispose grafts to rejection and loss. The risks of these poor outcomes can potentially be reduced by pre-transplant application of normothermic machine perfusion (NMP). To date, the clinical use of NMP has focused on extending preservation and improving organ assessment, but the opportunity for ex situ therapeutic delivery may be the most transformative aspect of this technology. In this Personal Viewpoint, we argue that the endothelial cells (ECs) that line the graft vasculature are an accessible, under-exploited, and attractive target for transplant therapeutics delivered during NMP. We further contend that molecularly targeted nanoparticles (NPs) represent a promising therapeutic vehicle particularly well-suited to NMP. However, to achieve this potential, we need to answer the following three key questions: (1) What EC sub-populations exist within an organ? (2) How can these cells be accessed? (3) And most important, how can preferential retention of NPs by the cells of interest be maximized? Here we argue for creating an EC-targeting atlas as a body of knowledge that answers these questions.
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Affiliation(s)
- Samuel T. Liburd
- MD-PhD Program, Yale School of Medicine, New Haven, Connecticut
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut
| | - Audrey A. Shi
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Jordan S. Pober
- Department of Immunobiology, Yale University, New Haven, Connecticut
| | - Gregory T. Tietjen
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
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13
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Sofronova V, Iwata R, Moriya T, Loskutova K, Gurinova E, Chernova M, Timofeeva A, Shvedova A, Vasilev F, Novgorodova S, Terawaki S, Moriwaki T, Sukhomyasova A, Maksimova N, Otomo T. Hematopoietic Disorders, Renal Impairment and Growth in Mucopolysaccharidosis-Plus Syndrome. Int J Mol Sci 2022; 23:ijms23105851. [PMID: 35628659 PMCID: PMC9145135 DOI: 10.3390/ijms23105851] [Citation(s) in RCA: 2] [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: 05/02/2022] [Revised: 05/18/2022] [Accepted: 05/22/2022] [Indexed: 12/21/2022] Open
Abstract
Mucopolysaccharidoses (MPS) are rare lysosomal storage disorders (LSD) characterized by the excessive accumulation of glycosaminoglycans (GAG). Conventional MPS, caused by inborn deficiencies of lysosomal enzymes involved in GAG degradation, display various multisystemic symptoms—including progressive neurological complications, ophthalmological disorders, hearing loss, gastrointestinal and hepatobiliary issues, cardiorespiratory problems, bone and joint abnormalities, dwarfism, and coarse facial features. Mucopolysaccharidosis-Plus Syndrome (MPSPS), an autosomal recessive disease caused by a mutation in the endo-lysosomal tethering protein VPS33A, shows additional renal and hematopoietic abnormalities (“Plus symptoms”) uncommon in conventional MPS. Here, we analyze data from biochemical, histological, and physical examinations—particularly of blood counts and kidney function—to further characterize the clinical phenotype of MPSPS. A series of blood tests indicate hematopoietic symptoms including progressive anemia and thrombocytopenia, which correlate with histological observations of hypoplastic bone marrow. High urinary excretion of protein (caused by impairments in renal filtration), hypoalbuminemia, and elevated levels of creatinine, cholesterol, and uric acid indicate renal dysfunction. Histological analyses of MPSPS kidneys similarly suggest the extensive destruction of glomerular structures by foamy podocytes. Height and weight did not significantly deviate from the average, but in some cases, growth began to decline at around six months or one year of age.
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Affiliation(s)
- Viktoriia Sofronova
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan; (V.S.); (R.I.); (S.T.); (T.M.)
- Laboratory of Molecular Medicine and Human Genetics, North-Eastern Federal University, 677013 Yakutsk, Russia; (F.V.); (S.N.); (A.S.); (N.M.)
| | - Rina Iwata
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan; (V.S.); (R.I.); (S.T.); (T.M.)
| | - Takuya Moriya
- Department of Pathology, Kawasaki Medical School, Kurashiki 701-0192, Japan;
| | - Kiunniai Loskutova
- Department of Pathological Anatomy, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia;
- Medical Institute, North-Eastern Federal University, 677013 Yakutsk, Russia
| | - Elizaveta Gurinova
- Medical Genetics Center, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia;
| | - Mairanush Chernova
- Department of Children’s Health and Pathological Anatomy, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia; (M.C.); (A.T.); (A.S.)
| | - Anastasia Timofeeva
- Department of Children’s Health and Pathological Anatomy, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia; (M.C.); (A.T.); (A.S.)
| | - Anna Shvedova
- Department of Children’s Health and Pathological Anatomy, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia; (M.C.); (A.T.); (A.S.)
| | - Filipp Vasilev
- Laboratory of Molecular Medicine and Human Genetics, North-Eastern Federal University, 677013 Yakutsk, Russia; (F.V.); (S.N.); (A.S.); (N.M.)
| | - Saina Novgorodova
- Laboratory of Molecular Medicine and Human Genetics, North-Eastern Federal University, 677013 Yakutsk, Russia; (F.V.); (S.N.); (A.S.); (N.M.)
| | - Seigo Terawaki
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan; (V.S.); (R.I.); (S.T.); (T.M.)
| | - Takahito Moriwaki
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan; (V.S.); (R.I.); (S.T.); (T.M.)
| | - Aitalina Sukhomyasova
- Laboratory of Molecular Medicine and Human Genetics, North-Eastern Federal University, 677013 Yakutsk, Russia; (F.V.); (S.N.); (A.S.); (N.M.)
- Medical Genetics Center, Republic Hospital No. 1—National Center of Medicine, 677019 Yakutsk, Russia;
| | - Nadezhda Maksimova
- Laboratory of Molecular Medicine and Human Genetics, North-Eastern Federal University, 677013 Yakutsk, Russia; (F.V.); (S.N.); (A.S.); (N.M.)
| | - Takanobu Otomo
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan; (V.S.); (R.I.); (S.T.); (T.M.)
- Correspondence: ; Tel.: +81-86-462-1111
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14
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Saudenova M, Promnitz J, Ohrenschall G, Himmerkus N, Böttner M, Kunke M, Bleich M, Theilig F. Behind every smile there's teeth: Cathepsin B's function in health and disease with a kidney view. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119190. [PMID: 34968578 DOI: 10.1016/j.bbamcr.2021.119190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
Cathepsin B (CatB) is a very abundant lysosomal protease with endo- and carboxydipeptidase activities and even ligase features. In this review, we will provide a general characterization of CatB and describe structure, structure-derived properties and location-dependent proteolytic actions. We depict CatB action within lysosome and its important roles in lysosomal biogenesis, lysosomal homeostasis and autophagy rendering this protease a key player in orchestrating lysosomal functions. Lysosomal leakage and subsequent escape of CatB into the cytosol lead to harmful actions, e.g. the role in activating the NLPR3 inflammasome, affecting immune responses and cell death. The second focus of this review addresses CatB functions in the kidney, i.e. the glomerulus, the proximal tubule and collecting duct with strong emphasis of its role in pathology of the respective segment. Finally, observations regarding CatB functions that need to be considered in cell culture will be discussed. In conclusion, CatB a physiologically important molecule may, upon aberrant expression in different cellular context, become a harmful player effectively showing its teeth behind its smile.
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Affiliation(s)
- Makhabbat Saudenova
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Jessica Promnitz
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Gerrit Ohrenschall
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Nina Himmerkus
- Institute of Physiology, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Martina Böttner
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Madlen Kunke
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Markus Bleich
- Institute of Physiology, Department of Medicine, Christian-Albrechts-University Kiel, Germany
| | - Franziska Theilig
- Institute of Anatomy, Department of Medicine, Christian-Albrechts-University Kiel, Germany.
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15
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Zhang T, Hong XQ, Zhi HT, Hu J, Chen WH. Synthesis and mechanism of biological action of morpholinyl-bearing arylsquaramides as small-molecule lysosomal pH modulators. RSC Adv 2022; 12:22748-22759. [PMID: 36105976 PMCID: PMC9376937 DOI: 10.1039/d2ra02146c] [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: 04/03/2022] [Accepted: 08/03/2022] [Indexed: 11/21/2022] Open
Abstract
Lysosomal pH is an important modulator for many cellular processes. An agent that is capable of regulating lysosomal pH may find a wide range of potential applications in the field of biomedicine. In this study, we describe the synthesis of a family of morpholinyl-bearing arylsquaramides as small-molecule lysosomal pH modulators. These compounds are able to efficiently facilitate the transmembrane transport of chloride anions as mobile carriers across vesicular and cellular phospholipid membranes. They are capable of specifically alkalizing liposomes, disrupting the homeostasis of lysosomal pH and inactivivating lysosomal Cathepsin B enzyme. Anion transport is considered as the probable mechanism of action for the high efficiency of these compounds to modulate lysosomal pH. The present findings present a novel means to efficiently regulate lysosomal pH, which is in contrast to the methods shown by conventional lysosomal pH modulators that generally function by either acting as a weak base/acid, or releasing a basic/acidic component in lysosomal environments to change lysosomal pH. A family of small-molecule arylsquaramides were synthesized as transmembrane anion transporters for modulating lysosomal pH.![]()
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Affiliation(s)
- Tao Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, P. R. China
| | - Xiao-Qiao Hong
- School of Pharmaceutical Sciences, Tsinghua University, Haidian Dist, Beijing 100084, P. R. China
| | - Hai-Tao Zhi
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, P. R. China
| | - Jinhui Hu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, P. R. China
| | - Wen-Hua Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, P. R. China
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16
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Wu M, Zhang M, Zhang Y, Li Z, Li X, Liu Z, Liu H, Li X. Relationship between lysosomal dyshomeostasis and progression of diabetic kidney disease. Cell Death Dis 2021; 12:958. [PMID: 34663802 PMCID: PMC8523726 DOI: 10.1038/s41419-021-04271-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 10/04/2021] [Indexed: 12/11/2022]
Abstract
Lysosomes are organelles involved in cell metabolism, waste degradation, and cellular material circulation. They play a key role in the maintenance of cellular physiological homeostasis. Compared with the lysosomal content of other organs, that of the kidney is abundant, and lysosomal abnormalities are associated with the occurrence and development of certain renal diseases. Lysosomal structure and function in intrinsic renal cells are impaired in diabetic kidney disease (DKD). Promoting lysosomal biosynthesis and/or restoring lysosomal function can repair damaged podocytes and proximal tubular epithelial cells, and delay the progression of DKD. Lysosomal homeostasis maintenance may be advantageous in alleviating DKD. Here, we systematically reviewed the latest advances in the relationship between lysosomal dyshomeostasis and progression of DKD based on recent literature to further elucidate the mechanism of renal injury in diabetes mellitus and to highlight the application potential of lysosomal homeostasis maintenance as a new prevention and treatment strategy for DKD. However, research on screening effective interventions for lysosomal dyshomeostasis is still in its infancy, and thus should be the focus of future research studies. The screening out of cell-specific lysosomal function regulation targets according to the different stages of DKD, so as to realize the controllable targeted regulation of cell lysosomal function during DKD, is the key to the successful clinical development of this therapeutic strategy.
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Affiliation(s)
- Man Wu
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Minjie Zhang
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Yaozhi Zhang
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Zixian Li
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Xingyu Li
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Zejian Liu
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China
| | - Huafeng Liu
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China.
| | - Xiaoyu Li
- Institute of Nephrology, and Key Laboratory of Prevention and Management of Chronic kidney Disease of Zhanjiang City, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524001, China.
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17
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Immune-mediated glomerular diseases: new basic concepts and clinical implications. Cell Tissue Res 2021; 385:277-279. [PMID: 34463820 PMCID: PMC8523466 DOI: 10.1007/s00441-021-03509-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 11/18/2022]
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18
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Rosa NS, Bento JCDB, Caparbo VDF, Pereira RMR. Increased Serum Interleukin-6 and Tumor Necrosis Factor Alpha Levels in Fabry Disease: Correlation with Disease Burden. Clinics (Sao Paulo) 2021; 76:e2643. [PMID: 34287477 PMCID: PMC8266164 DOI: 10.6061/clinics/2021/e2643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 06/01/2021] [Indexed: 01/29/2023] Open
Abstract
OBJECTIVES Fabry disease (FD) is an X-linked lysosomal disease caused by variants of the GLA gene; the formation of defective alpha-galactosidase A contributes to the accumulation of substrates in several organs. Chronic inflammation is thought to contribute to organ damage in FD patients. METHODS In total, 36 classic FD patients (15 men/21 women) and 25 healthy controls (20 men/8 women) were assessed. The Mainz Severity Score Index (MSSI) was established after conducting interviews with the patients and chart review. Serum IL-6, IL-1β, and TNF-α levels were evaluated in both groups. RESULTS The mean age (years) for FD patients was 43.1±15.4 and that for the controls was 47.4±12.2 (p>0.05). Twenty-two patients (59.5%) were treated with enzyme replacement therapy (ERT). Serum IL-6 and TNF-α levels were significantly higher in FD patients than in the controls. Patients treated with ERT had higher serum IL-6 and TNF-α levels than those not treated with ERT. There was no difference in the serum IL-1β levels between patients treated with ERT and those who were not. The MSSI scores in the patients were correlated with serum levels of IL-6 (r=0.60, p<0.001) and TNF-α (r=0.45, p<0.001). CONCLUSION FD was associated with elevated serum levels of IL-6 and TNF-α in this cohort. The FD patients treated with ERT, particularly, women, exhibited higher levels of serum IL-6 and TNF-α than those not treated with ERT; the serum IL-6 and TNF-α levels were correlated with the MSSI scores reflecting greater disease burden.
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Affiliation(s)
- Nilton Salles Rosa
- Divisao de Reumatologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
- *Corresponding author. E-mail:
| | | | - Valéria de Falco Caparbo
- Divisao de Reumatologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
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