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Chen YL, Li HK, Wang L, Chen JW, Ma X. No safe renal warm ischemia time-The molecular network characteristics and pathological features of mild to severe ischemia reperfusion kidney injury. Front Mol Biosci 2022; 9:1006917. [PMID: 36465563 PMCID: PMC9709142 DOI: 10.3389/fmolb.2022.1006917] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/03/2022] [Indexed: 07/25/2023] Open
Abstract
Ischemic acute kidney injury (AKI) has always been a hot and difficult research topic in the field of renal diseases. This study aims to illustrate the safe warm ischemia time of kidney and the molecular network characteristics and pathological features of mild to severe ischemia reperfusion kidney injury. We established varying degrees of renal injury due to different ischemia time (0 min, 16 min, 18 min, 20 min, 22 min, 24 min, 26 min, 28 min, and 30 min) on unilateral (left kidney) ischemia-reperfusion injury and contralateral (right kidney) resection (uIRIx) mouse model. Mice were sacrificed 24 h after uIRIx, blood samples were harvested to detect serum creatinine (Scr), and kidney tissue samples were harvested to perform Periodic Acid-Schiff (PAS) staining and RNA-Seq. Differentially expressed genes (DEGs) were identificated, time-dependent gene expression patterns and functional enrichment analysis were further performed. Finally, qPCR was performed to validated RNA-Seq results. Our results indicated that there was no absolute safe renal warm ischemia time, and every minute of ischemia increases kidney damage. Warm ischemia 26min or above in mice makes severe kidney injury, renal pathology and SCr were both significantly changed. Warm ischemia between 18 and 26 min makes mild kidney injury, with changes in pathology and renal molecular expression, while SCr did not change. No obvious pathological changes but significant differences in molecular expression were found less than 16min warm ischemia. There are two key time intervals in the process of renal ischemia injury, 0 min-16 min (short-term) and 26 min-28 min (long-term). Gene expression of immune-related pathways were most significantly down-regulated in short-term ischemia, while metabolism-related pathways were the mainly enriched pathway in long-term ischemia. Taken together, this study provides novel insights into safe renal artery occlusion time in partial nephrectomy, and is of great value for elucidating molecular network characteristics and pathological features of mild to severe ischemia reperfusion kidney injury, and key genes related to metabolism and immune found in this study also provide potential diagnostic and therapeutic biomarkers for AKI.
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Affiliation(s)
- Ya-Lei Chen
- Department of Critical Care Medicine, Capital Medical University Electric Power Teaching Hospital/State Grid Beijing Electric Power Hospital, Beijing, China
| | - Huai-Kang Li
- Senior Department of Urology, The Third Medical Centre of PLA General Hospital, Beijing, China
| | - Lei Wang
- Senior Department of Urology, The Third Medical Centre of PLA General Hospital, Beijing, China
| | - Jian-Wen Chen
- Senior Department of Urology, The Third Medical Centre of PLA General Hospital, Beijing, China
- Department of Nephrology, State Key Laboratory of Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People’s Liberation Army, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Xin Ma
- Senior Department of Urology, The Third Medical Centre of PLA General Hospital, Beijing, China
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Diniz LRL, Elshabrawy HA, Souza MTS, Duarte ABS, Madhav N, de Sousa DP. Renoprotective Effects of Luteolin: Therapeutic Potential for COVID-19-Associated Acute Kidney Injuries. Biomolecules 2022; 12:1544. [PMID: 36358895 PMCID: PMC9687696 DOI: 10.3390/biom12111544] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 07/30/2023] Open
Abstract
Acute kidney injury (AKI) has been increasingly reported in critically-ill COVID-19 patients. Moreover, there was significant positive correlation between COVID-19 deaths and renal disorders in hospitalized COVID-19 patients with underlying comorbidities who required renal replacement therapy. It has suggested that death in COVID-19 patients with AKI is 3-fold higher than in COVID-19 patients without AKI. The pathophysiology of COVID-19-associated AKI could be attributed to unspecific mechanisms, as well as COVID-19-specific mechanisms such as direct cellular injury, an imbalanced renin-angiotensin-aldosterone system, pro-inflammatory cytokines elicited by the viral infection and thrombotic events. To date, there is no specific treatment for COVID-19 and its associated AKI. Luteolin is a natural compound with multiple pharmacological activities, including anticoronavirus, as well as renoprotective activities against kidney injury induced by sepsis, renal ischemia and diverse nephrotoxic agents. Therefore, in this review, we mechanistically discuss the anti-SARS-CoV-2 and renoprotective activities of luteolin, which highlight its therapeutic potential in COVID-19-AKI patients.
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Affiliation(s)
| | - Hatem A. Elshabrawy
- Department of Molecular and Cellular Biology, College of Osteopathic Medicine, Sam Houston State University, Conroe, TX 77304, USA
| | | | | | - Nikhil Madhav
- College of Osteopathic Medicine, Sam Houston State University, Conroe, TX 77304, USA
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Cheng YT, Tu YC, Chou YH, Lai CF. Protocol for renal ischemia-reperfusion injury by flank incisions in mice. STAR Protoc 2022; 3:101678. [PMID: 36208451 PMCID: PMC9562430 DOI: 10.1016/j.xpro.2022.101678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/18/2022] [Accepted: 08/08/2022] [Indexed: 11/07/2022] Open
Abstract
Ischemia-reperfusion injury (IRI) contributes to acute kidney injury (AKI) and development of chronic kidney disease. We describe an IRI protocol for mice via flank incisions approach, using a pedicle clamp to cause ischemic injury. Compared with trans-abdominal approach, it is technically easier with lesser fluid loss and organ injury. Technical challenges during the dissection of renal pedicles are highlighted. For complete details on the execution of this protocol, please refer to Lai et al. (2014).
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Affiliation(s)
- Yung-Ting Cheng
- Department of Urology, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu City 300, Taiwan; Department of Urology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei City 100, Taiwan
| | - Ya-Chun Tu
- Renal Division, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei City 100, Taiwan
| | - Yu-Hsiang Chou
- Renal Division, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei City 100, Taiwan
| | - Chun-Fu Lai
- Renal Division, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei City 100, Taiwan.
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Ischemia and reperfusion injury combined with cisplatin induces immunogenic cell death in lung cancer cells. Cell Death Dis 2022; 13:764. [PMID: 36057637 PMCID: PMC9440929 DOI: 10.1038/s41419-022-05176-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 01/21/2023]
Abstract
A first-line chemotherapeutic drug for non-small cell lung cancer (NSCLC), cisplatin (CDDP), fails to induce immunogenic cell death (ICD) because it fails to induce calreticulin (CRT) exposure on the cell surface. We investigated the potential of ischemia and reperfusion injury (I/R) combined with CDDP to induce ICD in lung cancer cells. The in vitro model of I/R, oxygen-glucose deprivation and reperfusion (OGD/R), effectively induced CRT exposure, ATP secretion, high mobility group box 1 (HMGB1) release and eIF2α phosphorylation in both Lewis lung carcinoma (LLC) and A549 cells when combined with CDDP. By using a vaccine assay and coculture with bone marrow-derived dendritic cells (BMDCs), we showed that OGD/R restored the immunogenicity of CDDP by phosphorylating eIF2α and demonstrated that OGD/R + CDDP (O + C) is an ICD inducer. Using the inguinal tumor model, we found that I/R significantly enhanced the tumor-killing effect of CDDP and Mitomycin C, and this effect relied on adaptive antitumor immunity. Consistently, I + C altered the ratio of interferon-gamma-secreting T lymphocytes, thus overcoming the immunosuppressive effect induced by CDDP. In conclusion, our research presents a new combination strategy and indicates that I/R is a potential anticancer immunogenic modality when combined with nonimmunogenic chemotherapy.
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Saritas H, Demirel HH, Bulbul A, Gorucu F, Uğurlu Z, Koc Y, Demirkan I, Saritas ZK. Myrtus Communis (Myrtle Tree: leaf and body) extract in Rat Renal Ischemia/Reperfusion injury. JOURNAL OF CLINICAL AND EXPERIMENTAL INVESTIGATIONS 2022. [DOI: 10.29333/jcei/12410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Dai R, Zhang L, Jin H, Wang D, Cheng M, Sang T, Peng C, Li Y, Wang Y. Autophagy in renal fibrosis: Protection or promotion? Front Pharmacol 2022; 13:963920. [PMID: 36105212 PMCID: PMC9465674 DOI: 10.3389/fphar.2022.963920] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 07/25/2022] [Indexed: 11/13/2022] Open
Abstract
Autophagy is a process that degrades endogenous cellular protein aggregates and damaged organelles via the lysosomal pathway to maintain cellular homeostasis and energy production. Baseline autophagy in the kidney, which serves as a quality control system, is essential for cellular metabolism and organelle homeostasis. Renal fibrosis is the ultimate pathological manifestation of progressive chronic kidney disease. In several experimental models of renal fibrosis, different time points, stimulus intensities, factors, and molecular mechanisms mediating the upregulation or downregulation of autophagy may have different effects on renal fibrosis. Autophagy occurring in a single lesion may also exert several distinct biological effects on renal fibrosis. Thus, whether autophagy prevents or facilitates renal fibrosis remains a complex and challenging question. This review explores the different effects of the dual regulatory function of autophagy on renal fibrosis in different renal fibrosis models, providing ideas for future work in related basic and clinical research.
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Affiliation(s)
- Rong Dai
- Department of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Lei Zhang
- Department of Nephrology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Hua Jin
- Department of Nephrology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Dong Wang
- Department of Nephrology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Meng Cheng
- Department of Nephrology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Tian Sang
- Graduate School, Anhui University of Chinese Medicine, Hefei, China
| | - Chuyi Peng
- Graduate School, Anhui University of Chinese Medicine, Hefei, China
| | - Yue Li
- Blood Purification Center, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Yiping Wang
- Department of Nephrology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- *Correspondence: Yiping Wang,
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Can B, Kar F, Kar E, Özkoç M, Şentürk H, Dönmez DB, Kanbak G, Alataş İÖ. Conivaptan and Boric Acid Treatments in Acute Kidney Injury: Is This Combination Effective and Safe? Biol Trace Elem Res 2022; 200:3723-3737. [PMID: 34676519 DOI: 10.1007/s12011-021-02977-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/14/2021] [Indexed: 12/11/2022]
Abstract
Acute kidney injury is still a worldwide clinic problem that affects kidney function and associated with high mortality risk. Unfortunately, approximately 1.7 million people are thought to die from acute kidney injury each year. Boron element is defined as an "essential trace element" for plants and thought to have a widespread role in living organisms. Boric acid, which is one of the important forms of boron, has been extensively discussed for both medicinal and nonmedicinal purposes. However, there is a lack of data in the literature to examine the relationship between boric acid and antidiuretic hormone (ADH) antagonism in kidney injury. Thus, we aimed to investigate the effects of conivaptan as an ADH antagonist and boric acid as an antioxidant agent on the post-ischemic renal injury process. In this study, the unilateral ischemia-reperfusion (I/R) injury rat model with contralateral nephrectomy was performed and blood/kidney tissue samples were taken at 6th hours of reperfusion. The effects of 10 mg/mL/kg conivaptan and 50 mg/kg boric acid were examined with the help of some biochemical and histological analyses. We observed that conivaptan generally alleviated the destructive effects of I/R and has therapeutic effects. Also of note is that conivaptan and boric acid combination tended to show negative effects on kidney function, considering the highest BUN (78.46 ± 3.88 mg/dL) and creatinine levels (1.561 ± 0.1018 mg/dL), suggesting possibly drug-drug interaction. Although it has reported that conivaptan can interact with other active substances, no experimental/clinical data on the possible interaction with boric acid have reported so far.
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Affiliation(s)
- Betül Can
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey.
| | - Fatih Kar
- Department of Basic Science, Faculty of Engineering and Natural Sciences, Kutahya Health Sciences University, Kutahya, Turkey
| | - Ezgi Kar
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Mete Özkoç
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Hakan Şentürk
- Department of Biology, Faculty of Science and Letters, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Dilek Burukoğlu Dönmez
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Güngör Kanbak
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - İbrahim Özkan Alataş
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
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Chethikkattuveli Salih AR, Asif A, Samantasinghar A, Umer Farooqi HM, Kim S, Choi KH. Renal Hypoxic Reperfusion Injury-on-Chip Model for Studying Combinational Vitamin Therapy. ACS Biomater Sci Eng 2022; 8:3733-3740. [PMID: 35878885 DOI: 10.1021/acsbiomaterials.2c00180] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Renal ischemic-reperfusion injury decreases the chances of long-term kidney graft survival and may lead to the loss of a transplanted kidney. During organ excision, the cycle of warm ischemia from the donor and cold ischemia is due to storage in a cold medium after revascularization following organ transplantation. The reperfusion of the kidney graft activates several pathways that generate reactive oxygen species, forming a hypoxic-reperfusion injury. Animal models are generally used to model and investigate renal hypoxic-reperfusion injury. However, these models face ethical concerns and present a lack of robustness and intraspecies genetic variations, among other limitations. We introduce a microfluidics-based renal hypoxic-reperfusion (RHR) injury-on-chip model to overcome current limitations. Primary human renal proximal tubular epithelial cells and primary human endothelial cells were cultured on the apical and basal sides of a porous membrane. Hypoxic and normoxic cell culture media were used to create the RHR injury-on-chip model. The disease model was validated by estimating various specific hypoxic biomarkers of RHR. Furthermore, retinol, ascorbic acid, and combinational doses were tested to devise a therapeutic solution for RHR. We found that combinational vitamin therapy can decrease the chances of RHR injury. The proposed RHR injury-on-chip model can serve as an alternative to animal testing for injury investigation and the identification of new therapies.
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Affiliation(s)
| | - Arun Asif
- Department of Mechatronics Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea.,BioSpero Inc., Jeju Science Park, Jeju-si, Jeju-do 63243 Korea.,Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Anupama Samantasinghar
- Department of Mechatronics Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea
| | - Hafiz Muhammad Umer Farooqi
- Department of Mechatronics Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do 13620, Republic of Korea.,Department of Internal Medicine, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea
| | - Kyung Hyun Choi
- Department of Mechatronics Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea
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Several Alkaloids in Chinese Herbal Medicine Exert Protection in Acute Kidney Injury: Focus on Mechanism and Target Analysis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2427802. [PMID: 35602100 PMCID: PMC9122709 DOI: 10.1155/2022/2427802] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/03/2022] [Accepted: 04/21/2022] [Indexed: 12/13/2022]
Abstract
Objectives Acute kidney injury (AKI) is a loose set of kidney diseases accompanied by a variety of syndromes, which is a serious threat to human life and health. Some alkaloids are derived from various Chinese herbs have been widely concerned in the improvement of AKI. This review provides the research progress of alkaloids in AKI experimental models and discusses the related molecular mechanisms. Key Findings. Alkaloids can protect AKI through various mechanisms including antioxidant stress, improvement of mitochondrial damage, reduction of cell death, induction of autophagy, and inhibition of inflammation. These mechanisms are mainly related to the activation of Nrf2/HO-1 signaling pathway, inhibition of ferroptosis and apoptosis, regulation of PINK1/Parkin pathway, inhibition of TLR4/NF-κB pathway and NLRP3 inflammatory bodies, upregulation of Klotho protein level and so on. In addition, there are a few alkaloids that have certain toxicity on the kidney. Conclusion Alkaloids have been shown to significantly improve AKI, but only in pharmacological studies. This paper summarizes the main experimental models currently used in AKI research and describes some representative alkaloids based on recent research. Their potential roles in the prevention and treatment of AKI through different mechanisms are highlighted.
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60
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Guan X, Peng Q, Wang J. Sevoflurane activates MEF2D-mediated Wnt/β-catenin signaling pathway via microRNA-374b-5p to affect renal ischemia/reperfusion injury. Immunopharmacol Immunotoxicol 2022; 44:603-612. [PMID: 35481398 DOI: 10.1080/08923973.2022.2071723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND The inhaled sevoflurane (Sev) has been demonstrated to protect multiple organs against ischemia/reperfusion injury (IRI). However, the mechanisms of Sev in renal IRI remain largely unknown. This study intends to explore the effect of Sev on renal IRI and the molecular mechanism behind. METHODS Following Sev preconditioning, a mouse model with renal IRI was established. The effects of Sev on IRI in mice were assessed by BUN, Scr, MDA and SOD kits, Western blot, HE staining, and TUNEL. Subsequently, we performed microarray analysis on renal tissues from mice with Sev to identify differentially expressed microRNAs (miRNAs). Then, the mice were treated with agomiR-374b-5p combined with Sev to observe the renal histopathology after IRI. The targeting mRNA of miR-374b-5p was verified using bioinformatics analysis and dual-luciferase assay, followed by KEGG enrichment analysis. Rescue experiments were implemented with simultaneous miR-374b-5p and MEF2D overexpression to detect renal histopathology and Wnt/β-catenin pathway activity in the mice. RESULTS Sev significantly reduced the levels of BUN and Scr in mouse serum, prevented cell apoptosis, decreased MDA content and increased SOD levels in renal tissues. Moreover, Sev downregulated the miR-374b-5p expression in the renal tissues. Overexpression of miR-374b-5p attenuated the protective effects of Sev on mouse renal tissues. miR-374b-5p targeted MEF2D and blocked the Wnt/β-catenin pathway. Overexpression of MEF2D activated the Wnt/β-catenin pathway and attenuated the supporting effects of miR-374b-5p on renal IRI. CONCLUSION Sev promotes MEF2D and activates the Wnt/β-catenin pathway through inhibition of miR-374b-5p expression to affect renal IRI.
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Affiliation(s)
- Xiaohong Guan
- Department of Anesthesiology, The First Hospital of Changsha, Hunan, P.R. China
| | - Qingxiong Peng
- Department of Anesthesiology, The First Hospital of Changsha, Hunan, P.R. China
| | - Jiansong Wang
- Department of Urology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan, P.R. China
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Oridonin Attenuates Cisplatin-Induced Acute Kidney Injury via Inhibiting Oxidative Stress, Apoptosis, and Inflammation in Mice. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3002962. [PMID: 35469348 PMCID: PMC9034941 DOI: 10.1155/2022/3002962] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 02/25/2022] [Accepted: 03/30/2022] [Indexed: 12/30/2022]
Abstract
The use of cisplatin, a chemotherapy drug, is often limited due to its renal side effects such as acute kidney injury (AKI). However, there are no validated medications to prevent or treat cisplatin-induced AKI. Oridonin is the major bioactive component of Isodon rubescens (Rabdosia rubescens) and exhibits anticancer, antioxidative, and anti-inflammatory effects. Recent studies have shown that oridonin alleviated a variety of inflammatory diseases, including renal diseases, in rodents. This study was aimed at investigating the potential renoprotective effect of oridonin on cisplatin-induced AKI. Male C57BL/6 mice were administered with cisplatin (20 mg/kg) with or without oridonin (15 mg/kg). Oridonin administration to mice after cisplatin injection attenuated renal dysfunction and histopathological changes. Upregulation of tubular injury markers was also suppressed by oridonin. Mechanistically, oridonin suppressed lipid peroxidation and reversed the decreased ratio of reduced to oxidized glutathione in cisplatin-injected mice. The increase in cisplatin-induced apoptosis was also alleviated by the compound. Moreover, oridonin inhibited cytokine overproduction and attenuated immune cell infiltration in cisplatin-injected mice. Altogether, these data demonstrated that oridonin alleviates cisplatin-induced kidney injury via inhibiting oxidative stress, apoptosis, and inflammation.
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The inhibition of TRIM35-mediated TIGAR ubiquitination enhances mitochondrial fusion and alleviates renal ischemia-reperfusion injury. Int J Biol Macromol 2022; 209:725-736. [PMID: 35421414 DOI: 10.1016/j.ijbiomac.2022.04.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 11/23/2022]
Abstract
Tripartite motif 35 (TRIM35) is a member of the tripartite motif protein family and has been recognized to play a key role in immune-inflammatory diseases. However, the role of TRIM35 in renal ischemia-reperfusion injury (IRI) remains unclear. Our study proved that knockdown of TRIM35 alleviates kidney IRI by inhibiting oxidative stress and enhancing mitochondrial fusion. In addition, our experimental results found that TRIM35 interacts with TP53-induced glycolysis and apoptosis regulator (TIGAR) and promotes the polyubiquitination of TIGAR and induces its degradation in the proteasome pathway. Furthermore, TIGAR knockdown significantly inhibited mitochondrial fusion. These results indicate that TRIM35 is a potential therapeutic target for renal IRI.
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63
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Therapeutic Targets for Regulating Oxidative Damage Induced by Ischemia-Reperfusion Injury: A Study from a Pharmacological Perspective. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8624318. [PMID: 35450409 PMCID: PMC9017553 DOI: 10.1155/2022/8624318] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/28/2022] [Accepted: 03/15/2022] [Indexed: 12/22/2022]
Abstract
Ischemia-reperfusion (I-R) injury is damage caused by restoring blood flow into ischemic tissues or organs. This complex and characteristic lesion accelerates cell death induced by signaling pathways such as apoptosis, necrosis, and even ferroptosis. In addition to the direct association between I-R and the release of reactive oxygen species and reactive nitrogen species, it is involved in developing mitochondrial oxidative damage. Thus, its mechanism plays a critical role via reactive species scavenging, calcium overload modulation, electron transport chain blocking, mitochondrial permeability transition pore activation, or noncoding RNA transcription. Other receptors and molecules reduce tissue and organ damage caused by this pathology and other related diseases. These molecular targets have been gradually discovered and have essential roles in I-R resolution. Therefore, the current study is aimed at highlighting the importance of these discoveries. In this review, we inquire about the oxidative damage receptors that are relevant to reducing the damage induced by oxidative stress associated with I-R. Several complications on surgical techniques and pathology interventions do not mitigate the damage caused by I-R. Nevertheless, these therapies developed using alternative targets could work as coadjuvants in tissue transplants or I-R-related pathologies
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64
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Bejoy J, Qian ES, Woodard LE. Tissue Culture Models of AKI: From Tubule Cells to Human Kidney Organoids. J Am Soc Nephrol 2022; 33:487-501. [PMID: 35031569 PMCID: PMC8975068 DOI: 10.1681/asn.2021050693] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
AKI affects approximately 13.3 million people around the world each year, causing CKD and/or mortality. The mammalian kidney cannot generate new nephrons after postnatal renal damage and regenerative therapies for AKI are not available. Human kidney tissue culture systems can complement animal models of AKI and/or address some of their limitations. Donor-derived somatic cells, such as renal tubule epithelial cells or cell lines (RPTEC/hTERT, ciPTEC, HK-2, Nki-2, and CIHP-1), have been used for decades to permit drug toxicity screening and studies into potential AKI mechanisms. However, tubule cell lines do not fully recapitulate tubular epithelial cell properties in situ when grown under classic tissue culture conditions. Improving tissue culture models of AKI would increase our understanding of the mechanisms, leading to new therapeutics. Human pluripotent stem cells (hPSCs) can be differentiated into kidney organoids and various renal cell types. Injury to human kidney organoids results in renal cell-type crosstalk and upregulation of kidney injury biomarkers that are difficult to induce in primary tubule cell cultures. However, current protocols produce kidney organoids that are not mature and contain off-target cell types. Promising bioengineering techniques, such as bioprinting and "kidney-on-a-chip" methods, as applied to kidney nephrotoxicity modeling advantages and limitations are discussed. This review explores the mechanisms and detection of AKI in tissue culture, with an emphasis on bioengineered approaches such as human kidney organoid models.
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Affiliation(s)
- Julie Bejoy
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Eddie S. Qian
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Lauren E. Woodard
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee,Department of Veterans Affairs, Tennessee Valley Healthcare System, Nashville, Tennessee,Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
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Phosphoinositide 3 Kinase γ Plays a Critical Role in Acute Kidney Injury. Cells 2022; 11:cells11050772. [PMID: 35269396 PMCID: PMC8909888 DOI: 10.3390/cells11050772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/05/2022] [Accepted: 02/17/2022] [Indexed: 11/17/2022] Open
Abstract
Inflammatory cells contribute to the pathogenesis of renal ischemia-reperfusion injury (IRI). However, the signaling mechanisms underlying the infiltration of inflammatory cells into the kidney are not well understood. In this study, we examined the effects of phosphoinositide 3 kinase γ (PI3Kγ) on inflammatory cells infiltration into the kidney in response to ischemia-reperfusion injury. Compared with wild-type mice, PI3Kγ knockout mice displayed less IRI in the kidney with fewer tubular apoptotic cell. Furthermore, PI3Kγ deficiency decreased the number of infiltrated neutrophils, macrophages, and T cells in the kidney, which was accompanied by a decrease in the expression of pro-inflammatory cytokines in the kidney. Moreover, wild-type mice treated with AS-605240, a selective PI3Kγ inhibitor, displayed less tubular damage, accumulated fewer inflammatory cells, and expressed less proinflammatory molecules in the kidney following IRI. These results demonstrate that PI3Kγ has a critical role in the pathogenesis of kidney damage in IRI, indicating that PI3Kγ inhibition may serve as a potential therapeutic strategy for the prevention of ischemia-reperfusion-induced kidney injury.
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Ye P, Li W, Huang X, Zhao S, Chen W, Xia Y, Yu W, Rao T, Ning J, Zhou X, Ruan Y, Cheng F. BMAL1 regulates mitochondrial homeostasis in renal ischaemia-reperfusion injury by mediating the SIRT1/PGC-1α axis. J Cell Mol Med 2022; 26:1994-2009. [PMID: 35174626 PMCID: PMC8980910 DOI: 10.1111/jcmm.17223] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 01/26/2023] Open
Abstract
The regulation of renal function by circadian gene BMAL1 has been recently recognized; however, the role and mechanism of BMAL1 in renal ischaemia‐reperfusion injury (IRI) are still unknown. The purpose of this study was to clarify the pathophysiological role of BMAL1 in renal IRI. We measured the levels of BMAL1 and mitochondrial biogenesis‐related proteins, including SIRT1, PGC‐1α, NRF1 and TFAM, in rats with renal IRI. In rats, the level of BMAL1 decreased significantly, resulting in inhibition of SIRT1 expression and mitochondrial biogenesis. In addition, under hypoxia and reoxygenation (H/R) stimulation, BMAL1 knockdown decreased the level of SIRT1 and exacerbated the degree of mitochondrial damage and apoptosis. Overexpression of BMAL1 alleviated H/R‐induced injury. Furthermore, application of the SIRT1 inhibitor EX527 not only reduced the activities of SIRT1 and PGC‐1α but also further aggravated mitochondrial dysfunction and partially reversed the protective effect of BMAL1 overexpression. Moreover, whether in vivo or in vitro, the application of SIRT1 agonist resveratrol rescued the mitochondrial dysfunction caused by H/R or IRI by activating mitochondrial biogenesis. These results indicate that BMAL1 is a key circadian gene that mediates mitochondrial homeostasis in renal IRI through the SIRT1/PGC‐1α axis, which provides a new direction for targeted therapy for renal IRI.
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Affiliation(s)
- Peng Ye
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xin Huang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Sheng Zhao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wu Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuqi Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
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Wei L, Yu Z, Liu L, Zhou Y, Bai X, Wang L, Bai M, Sun S. Integrated Analysis of the CircRNA-Based ceRNA Network in Renal Fibrosis Induced by Ischemia Reperfusion Injury. Front Genet 2022; 12:793182. [PMID: 35222519 PMCID: PMC8866765 DOI: 10.3389/fgene.2021.793182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/29/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Circular RNAs (circRNAs), which have broad posttranscriptional regulatory potencies, are involved in the pathogenesis of fibrotic diseases and are promising diagnostic biomarkers and therapeutic targets. However, their specific roles in renal fibrosis remain elusive. Methods: A robust unilateral renal ischemia reperfusion injury (UIRI) mouse model was established to recapitulate the pathophysiology of renal fibrosis. The expression of circRNAs, miRNAs, and mRNAs was profiled by high-throughput RNA sequencing technology. Results: In total, 4983 circRNAs, 216 miRNAs, and 6371 mRNAs were differentially expressed in UIRI-induced fibrotic kidneys. Candidate circRNAs and miRNAs were validated by RT–qPCR in both UIRI and unilateral ureteral obstruction mouse models. Bioinformatic analysis indicated that the parental genes of the differentially expressed circRNAs were predominantly implicated in focal adhesion, adhesion junctions, and regulation of actin cytoskeleton pathways. Through circRNA-miRNA-mRNA construction, we identified two hub genes, circSlc8a1 and circApoe, that targeted a large number of differentially expressed miRNAs and mRNAs related to metabolism and cytokine–cytokine receptor pathways, respectively. Conclusion: CircRNAs were dysregulated in the UIRI model and might be potentially involved in the pathogenesis of renal fibrosis. Research efforts should focus on unravelling the functions of aberrantly expressed circRNAs in renal fibrosis to uncover biomarkers that would enable early diagnosis and the design of prompt therapeutic interventions to prevent disease progression.
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Affiliation(s)
- Lei Wei
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi’an, China
| | - Zhixiang Yu
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi’an, China
| | - Limin Liu
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Ying Zhou
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi’an, China
| | - Xiao Bai
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi’an, China
| | - Liya Wang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi’an, China
| | - Ming Bai
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Shiren Sun
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- *Correspondence: Shiren Sun,
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68
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Zou W, Shi B, Zeng T, Zhang Y, Huang B, Ouyang B, Cai Z, Liu M. Drug Transporters in the Kidney: Perspectives on Species Differences, Disease Status, and Molecular Docking. Front Pharmacol 2021; 12:746208. [PMID: 34912216 PMCID: PMC8666590 DOI: 10.3389/fphar.2021.746208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/27/2021] [Indexed: 01/09/2023] Open
Abstract
The kidneys are a pair of important organs that excretes endogenous waste and exogenous biological agents from the body. Numerous transporters are involved in the excretion process. The levels of these transporters could affect the pharmacokinetics of many drugs, such as organic anion drugs, organic cationic drugs, and peptide drugs. Eleven drug transporters in the kidney (OAT1, OAT3, OATP4C1, OCT2, MDR1, BCRP, MATE1, MATE2-K, OAT4, MRP2, and MRP4) have become necessary research items in the development of innovative drugs. However, the levels of these transporters vary between different species, sex-genders, ages, and disease statuses, which may lead to different pharmacokinetics of drugs. Here, we review the differences of the important transports in the mentioned conditions, in order to help clinicians to improve clinical prescriptions for patients. To predict drug-drug interactions (DDIs) caused by renal drug transporters, the molecular docking method is used for rapid screening of substrates or inhibitors of the drug transporters. Here, we review a large number of natural products that represent potential substrates and/or inhibitors of transporters by the molecular docking method.
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Affiliation(s)
- Wei Zou
- Changsha Research and Development Center on Obstetric and Gynecologic Traditional Chinese Medicine Preparation, NHC Key Laboratory of Birth Defects Research, Prevention and Treatment, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Birui Shi
- Biopharmaceutics, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Ting Zeng
- Changsha Research and Development Center on Obstetric and Gynecologic Traditional Chinese Medicine Preparation, NHC Key Laboratory of Birth Defects Research, Prevention and Treatment, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Yan Zhang
- Biopharmaceutics, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Baolin Huang
- Biopharmaceutics, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Bo Ouyang
- Changsha Research and Development Center on Obstetric and Gynecologic Traditional Chinese Medicine Preparation, NHC Key Laboratory of Birth Defects Research, Prevention and Treatment, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Zheng Cai
- Biopharmaceutics, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China.,TCM-Integrated Hospital, Southern Medical University, Guangzhou, China
| | - Menghua Liu
- Biopharmaceutics, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China.,TCM-Integrated Hospital, Southern Medical University, Guangzhou, China
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Jin J, Xu F, Zhang Y, Guan J, Liang X, Zhang Y, Yuan A, Liu R, Fu J. Renal ischemia/reperfusion injury in rats is probably due to the activation of the 5-HT degradation system in proximal renal tubular epithelial cells. Life Sci 2021; 285:120002. [PMID: 34599937 DOI: 10.1016/j.lfs.2021.120002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/13/2021] [Accepted: 09/25/2021] [Indexed: 02/06/2023]
Abstract
AIMS To explore the relationship between renal ischemia/reperfusion injury (RIRI) and the activation of the renal 5-HT degradation system, including 5-HT2A receptor (5-HT2AR), 5-HT synthases and monoamine oxidase-A (MAO-A). MAIN METHODS Rat RIRI was induced by removing the right kidney, causing ischemia of the left kidney for 45 min and reperfusion for different times. RIRI model (ischemia for 45 min and reperfusion for 24 h) was pretreated with 5-HT2AR antagonist sarpogrelate hydrochloride (SH) and the 5-HT synthase inhibitor carbidopa. In HK-2 cells, cellular damage was induced by hypoxia (24 h)/reoxygenation (12 h) (H/R) and treated with SH, carbidopa or the MAO-A inhibitor clorgyline. Hematoxylin-eosin, immunohistochemistry, TUNEL and fluorescent probe staining, RT-qPCR, western blotting, ELISA, etc. were used in the tests. KEY FINDINGS The development of RIRI and the emergence of the RIRI peak were consistent with renal 5-HT degradation system activation. The highest expression regions of the 5-HT degradation system overlapped with those of the most severe lesions in the kidney, which were in proximal renal tubules. Rat RIRI and HK-2 cell damage, including oxidative stress, inflammation and apoptosis, could be almost abolished by synergistic inhibition of SH and carbidopa. Clorgyline also abolished the cellular damage induced by H/R. H/R-induced production of mitochondrial ROS in HK-2 cells was due to MAO-A-catalyzed 5-HT degradation, and 5-HT2AR was involved by mediating the expression of 5-HT synthases and MAO-A. SIGNIFICANCE These findings revealed a close association between RIRI and activation of the renal 5-HT degradation system.
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Affiliation(s)
- Jiaqi Jin
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Fan Xu
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Yi Zhang
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Jing Guan
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Xiurui Liang
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Yuxin Zhang
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China
| | - Ansheng Yuan
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Runkun Liu
- School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Jihua Fu
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210003, China.
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70
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Zamorano M, Castillo RL, Beltran JF, Herrera L, Farias JA, Antileo C, Aguilar-Gallardo C, Pessoa A, Calle Y, Farias JG. Tackling Ischemic Reperfusion Injury With the Aid of Stem Cells and Tissue Engineering. Front Physiol 2021; 12:705256. [PMID: 34603075 PMCID: PMC8484708 DOI: 10.3389/fphys.2021.705256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/11/2021] [Indexed: 01/14/2023] Open
Abstract
Ischemia is a severe condition in which blood supply, including oxygen (O), to organs and tissues is interrupted and reduced. This is usually due to a clog or blockage in the arteries that feed the affected organ. Reinstatement of blood flow is essential to salvage ischemic tissues, restoring O, and nutrient supply. However, reperfusion itself may lead to major adverse consequences. Ischemia-reperfusion injury is often prompted by the local and systemic inflammatory reaction, as well as oxidative stress, and contributes to organ and tissue damage. In addition, the duration and consecutive ischemia-reperfusion cycles are related to the severity of the damage and could lead to chronic wounds. Clinical pathophysiological conditions associated with reperfusion events, including stroke, myocardial infarction, wounds, lung, renal, liver, and intestinal damage or failure, are concomitant in due process with a disability, morbidity, and mortality. Consequently, preventive or palliative therapies for this injury are in demand. Tissue engineering offers a promising toolset to tackle ischemia-reperfusion injuries. It devises tissue-mimetics by using the following: (1) the unique therapeutic features of stem cells, i.e., self-renewal, differentiability, anti-inflammatory, and immunosuppressants effects; (2) growth factors to drive cell growth, and development; (3) functional biomaterials, to provide defined microarchitecture for cell-cell interactions; (4) bioprocess design tools to emulate the macroscopic environment that interacts with tissues. This strategy allows the production of cell therapeutics capable of addressing ischemia-reperfusion injury (IRI). In addition, it allows the development of physiological-tissue-mimetics to study this condition or to assess the effect of drugs. Thus, it provides a sound platform for a better understanding of the reperfusion condition. This review article presents a synopsis and discusses tissue engineering applications available to treat various types of ischemia-reperfusions, ultimately aiming to highlight possible therapies and to bring closer the gap between preclinical and clinical settings.
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Affiliation(s)
- Mauricio Zamorano
- Department of Chemical Engineering, Universidad de La Frontera, Temuco, Chile
| | | | - Jorge F Beltran
- Department of Chemical Engineering, Universidad de La Frontera, Temuco, Chile
| | - Lisandra Herrera
- Department of Chemical Engineering, Universidad de La Frontera, Temuco, Chile
| | - Joaquín A Farias
- Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibíñtez, Santiago, Chile
| | - Christian Antileo
- Department of Chemical Engineering, Universidad de La Frontera, Temuco, Chile
| | - Cristobal Aguilar-Gallardo
- Hematological Transplant and Cell Therapy Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Adalberto Pessoa
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Yolanda Calle
- Department of Life Sciences, Whitelands College, University of Roehampton, London, United Kingdom
| | - Jorge G Farias
- Department of Chemical Engineering, Universidad de La Frontera, Temuco, Chile
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The Suppression of Pin1-Alleviated Oxidative Stress through the p38 MAPK Pathway in Ischemia- and Reperfusion-Induced Acute Kidney Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:1313847. [PMID: 34373763 PMCID: PMC8349297 DOI: 10.1155/2021/1313847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/27/2021] [Accepted: 07/07/2021] [Indexed: 12/24/2022]
Abstract
Background Pin1, as the peptidyl-prolyl isomerase, plays a vital role in cellular processes. However, whether it has a regulatory effect on renal ischemia and reperfusion (I/R) injury still remains unknown. Methods The hypoxia/reoxygenation (H/R) model in human kidney (HK-2) cells and the I/R model in rats were assessed to investigate the role of Pin1 on I/R-induced acute kidney injury. Male Sprague-Dawley rats were used to establish the I/R model for 15, 30, and 45 min ischemia and then 24 h reperfusion, with or without the Pin1 inhibitor, to demonstrate the role of Pin1 in acute kidney injury. HK-2 cells were cultured and experienced the H/R model to identify the molecular mechanisms involved. Results In this study, we found that Pin1 and oxidative stress were obviously increased after renal I/R. Inhibition of Pin1 with juglone decreased renal structural and functional injuries, as well as oxidative stress. Besides, Pin1 inhibition with the inhibitor, juglone, or the small interfering RNA showed significant reduction on oxidative stress markers caused by the H/R process in vitro. Furthermore, the results indicated that the expression of p38 MAPK was increased during H/R in vitro and Pin1 inhibition could reduce the increased expression of p38 MAPK. Conclusion Our results illustrated that Pin1 aggravated renal I/R injury via elevating oxidative stress through activation of the p38 MAPK pathway. These findings indicated that Pin1 might become the potential treatment for renal I/R injury.
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The effect of nanomicellar curcuminoids on renal ischemia/reperfusion injury and the expressions of COX-2 and Na +/K +-ATPase in rat’s kidney. PHYSIOLOGY AND PHARMACOLOGY 2021. [DOI: 10.52547/phypha.27.1.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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73
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Wang R, Pan T, Huang L, Liao C, Li Q, Jiang H, Yang J. Photoacoustic imaging in evaluating early intestinal ischemia injury and reperfusion injury in rat models. Quant Imaging Med Surg 2021; 11:2968-2979. [PMID: 34249627 DOI: 10.21037/qims-20-1160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 02/14/2021] [Indexed: 12/11/2022]
Abstract
Background It remains a challenge to distinguish whether the damaged intestine is viable in treating acute mesenteric ischemia. In this study, photoacoustic imaging (PAI) was used to observe intestinal tissue viability after ischemia and reperfusion injury in rats. Methods An in vivo study was conducted using forty male SD rats, which were randomly divided into a sham-operated (SO) group, a 1 h ischemia group, a 2 h ischemia group, and an ischemia-reperfusion (I/R) group with 10 rats in each group. In the ischemia group, the superior mesenteric artery (SMA) was isolated and clamped for 1 and 2 h, respectively, and in the I/R group, after ischemia for 1 h, the clamp was removed and reperfused for 1 h. The same time interval was used in the SO group. Immediately after establishing the animal model, a PAI examination was performed, and the small intestine was collected for histopathology. Results The levels of PAI parameters Hb, HbR, MAP 760, and MAP 840 were increased to different degrees in the ischemia groups, especially in the 2 h ischemia group, compared with the SO group (P<0.05), and with prolongation of the ischemia time, the injury was aggravated. All PAI signal levels except HbO in the I/R group were higher than those in the control group, and the increased range differed, especially in Hb and MAP 840. Using western blot, compared with the SO group, the BAX increased significantly in the 2 h ischemia group (P<0.05), and Caspase-3 in the experimental group was significantly higher than in the SO group (P<0.05). The level of HIF-1α increased in the 2 h ischemia group and I/R group (P<0.05), and TUNEL staining showed that the number of positive apoptotic nuclei in the 2 h ischemia group was significantly higher than in the SO group (P<0.05). Hematoxylin-eosin (HE) staining showed that ischemia for 2 hours was the most serious, with obvious mucosal damage, extensive epithelial injury, and bleeding. Conclusions PAI can be used as an effective tool to detect acute intestinal ischemia injury and quantitatively evaluate tissue viability.
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Affiliation(s)
- Rui Wang
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital/Center, Kunming, China
| | - Teng Pan
- School of Electronic Science and Engineering, Center for Information in Medicine, University of Electronic Science and Technology, Chengdu, China
| | - Lin Huang
- School of Electronic Science and Engineering, Center for Information in Medicine, University of Electronic Science and Technology, Chengdu, China
| | - Chengde Liao
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital/Center, Kunming, China
| | - Qinqing Li
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital/Center, Kunming, China
| | - Huabei Jiang
- Department of Medical Engineering, University of South Florida, Tampa, FL, USA
| | - Jun Yang
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital/Center, Kunming, China
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Sui M, Xu D, Zhao W, Lu H, Chen R, Duan Y, Li Y, Zhu Y, Zhang L, Zeng L. CIRBP promotes ferroptosis by interacting with ELAVL1 and activating ferritinophagy during renal ischaemia-reperfusion injury. J Cell Mol Med 2021; 25:6203-6216. [PMID: 34114349 PMCID: PMC8256344 DOI: 10.1111/jcmm.16567] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/29/2021] [Accepted: 04/05/2021] [Indexed: 12/21/2022] Open
Abstract
Renal ischaemia-reperfusion (IR) is a major cause of acute kidney injury (AKI). Cold-inducible RNA-binding protein (CIRBP) may contribute to AKI because its deficiency protects against renal IR injury in a mechanism believed to involve ferroptosis. We aimed to investigate whether ferroptosis is associated with CIRBP-mediated renal damage. The differential expression of CIRBP was examined in tubular epithelial (HK2) cells during hypoxia-reoxygenation (HR) or in response to erastin, an inducer of ferroptosis. CIRBP expression was increased in response to HR or erastin in HK2 cells but the silencing of CIRBP inhibited HR and erastin-induced ferroptosis together with ferritinophagy. We discovered an interaction between CIRBP and ELAVL1 using STRING software, which was verified through co-immunoprecipitation and fluorescence colocalization assays. We found that ELAVL1 is a critical regulator in the activation of ferritinophagy and the promotion of ferroptosis. HR or erastin also induced the expression of ELAVL1. An autophagy inhibitor (hydroxychloroquine) or si-ELAVL1 transfection reversed CIRBP-enhanced ferritinophagy activation and ferroptosis in HK2 cells under HR. Injection of anti-CIRBP antibody into a mouse model of IR inhibited ferroptosis and decreased renal IR injury in vivo. In summary, our results provide evidence that ferritinophagy-mediated ferroptosis could be responsible for CIRBP-enhanced renal IR injury.
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Affiliation(s)
- Mingxing Sui
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Da Xu
- Department of UrologyThe Third Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Wenyu Zhao
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Hanlan Lu
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Rui Chen
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Yazhe Duan
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Yanhua Li
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Youhua Zhu
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
- The Committee of Experts of China Organ DonationBeijingChina
| | - Lei Zhang
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
| | - Li Zeng
- Department of Organ TransplantationShanghai Changhai HospitalShanghaiChina
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75
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Algorithm for Mapping Kidney Tissue Water Content during Normothermic Machine Perfusion Using Hyperspectral Imaging. ALGORITHMS 2020. [DOI: 10.3390/a13110289] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The preservation of kidneys using normothermic machine perfusion (NMP) prior to transplantation has the potential for predictive evaluation of organ quality. Investigations concerning the quantitative assessment of physiological tissue parameters and their dependence on organ function lack in this context. In this study, hyperspectral imaging (HSI) in the wavelength range of 500–995 nm was conducted for the determination of tissue water content (TWC) in kidneys. The quantitative relationship between spectral data and the reference TWC values was established by partial least squares regression (PLSR). Different preprocessing methods were applied to investigate their influence on predicting the TWC of kidneys. In the full wavelength range, the best models for absorbance and reflectance spectra provided Rp2 values of 0.968 and 0.963, as well as root-mean-square error of prediction (RMSEP) values of 2.016 and 2.155, respectively. Considering an optimal wavelength range (800–980 nm), the best model based on reflectance spectra (Rp2 value of 0.941, RMSEP value of 3.202). Finally, the visualization of TWC distribution in all pixels of kidneys’ HSI image was implemented. The results show the feasibility of HSI for a non-invasively and accurate TWC prediction in kidneys, which could be used in the future to assess the quality of kidneys during the preservation period.
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