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Wang D, Li Y, Li G, Liu M, Zhou Z, Wu M, Song S, Bian Y, Dong J, Li X, Du Y, Zhang T, Shi Y. Inhibition of PKC-δ retards kidney fibrosis via inhibiting cGAS-STING signaling pathway in mice. Cell Death Discov 2024; 10:314. [PMID: 38972937 PMCID: PMC11228024 DOI: 10.1038/s41420-024-02087-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 06/17/2024] [Accepted: 07/02/2024] [Indexed: 07/09/2024] Open
Abstract
Kidney fibrosis is considered to be the ultimate aggregation pathway of chronic kidney disease (CKD), but its underlying mechanism remains elusive. Protein kinase C-delta (PKC-δ) plays critical roles in the control of growth, differentiation, and apoptosis. In this study, we found that PKC-δ was highly upregulated in human biopsy samples and mouse kidneys with fibrosis. Rottlerin, a PKC-δ inhibitor, alleviated unilateral ureteral ligation (UUO)-induced kidney fibrosis, inflammation, VDAC1 expression, and cGAS-STING signaling pathway activation. Adeno-associated virus 9 (AAV9)-mediated VDAC1 silencing or VBIT-12, a VDAC1 inhibitor, attenuated renal injury, inflammation, and activation of cGAS-STING signaling pathway in UUO mouse model. Genetic and pharmacologic inhibition of STING relieved renal fibrosis and inflammation in UUO mice. In vitro, hypoxia resulted in PKC-δ phosphorylation, VDAC1 oligomerization, and activation of cGAS-STING signaling pathway in HK-2 cells. Inhibition of PKC-δ, VDAC1 or STING alleviated hypoxia-induced fibrotic and inflammatory responses in HK-2 cells, respectively. Mechanistically, PKC-δ activation induced mitochondrial membrane VDAC1 oligomerization via direct binding VDAC1, followed by the mitochondrial DNA (mtDNA) release into the cytoplasm, and subsequent activated cGAS-STING signaling pathway, which contributed to the inflammation leading to fibrosis. In conclusion, this study has indicated for the first time that PKC-δ is an important regulator in kidney fibrosis by promoting cGAS-STING signaling pathway which mediated by VDAC1. PKC-δ may be useful for treating renal fibrosis and subsequent CKD.
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Affiliation(s)
- Dongyun Wang
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Yue Li
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Guiying Li
- Department of Nephrology, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, China
| | - Mengyu Liu
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Zihui Zhou
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Ming Wu
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Shan Song
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Yawei Bian
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Jiajia Dong
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Xinran Li
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Yunxia Du
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
| | - Tao Zhang
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China
- Department of Nephrology, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China
| | - Yonghong Shi
- Department of Pathology, Hebei Medical University, Shijiazhuang, 050017, China.
- Hebei Key Laboratory of Kidney Disease, Shijiazhuang, 050017, China.
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Zheng Q, Li X, Xu X, Tang X, Hammad B, Xing J, Zhang D. The mmu_circ_003062, hsa_circ_0075663/miR-490-3p/CACNA1H axis mediates apoptosis in renal tubular cells in association with endoplasmic reticulum stress following ischemic acute kidney injury. Int Immunopharmacol 2024; 132:111956. [PMID: 38554447 DOI: 10.1016/j.intimp.2024.111956] [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: 01/24/2024] [Revised: 03/12/2024] [Accepted: 03/26/2024] [Indexed: 04/01/2024]
Abstract
BACKGROUND While recent studies have suggested a potential involvement of circRNAs in acute kidney injury (AKI) after ischemia, mmu_circ_003062 role is undetermined. METHODS The levels of mmu_circ_003062, miR-490-3p, CACNA1H, GRP78, CHOP and hsa_circ_0075663 were detected by Relative qPCR in Boston University mouse proximal tubule (BUMPT) cells, mouse kidneys, and human renal tubular epithelial (HK-2) cells. Moreover, the levels of hsa_circ_0075663 in serum and urine of patients with AKI following cardiopulmonary resuscitation (CPR) were detected by absolute quantitative PCR. Western blot was used to detect the relative expression of the protein. The function and regulatory mechanism of mmu_circ_003062 and hsa_circ_0075663 were investigated through a series of in vitro and in vivo experiments, including bioinformatic prediction, luciferase reporter assays, FISH, FCM, TUNEL staining, and H&E staining. RESULTS It was found that mmu_circ_003062, hsa_circ_0075663 mediated apoptosis after ischemia/reperfusion (I/R) by interaction with miR-490-3p to enhance CACNA1H expression, thereby leading to the upregulation of endoplasmic reticulum stress (ERS)-relevant proteins GRP78 and CHOP. Ultimately, mmu_circ_003062 downregulation significantly ameliorated ischemic AKI by modulating the miR-490-3p/CACNA1H/GRP78 and CHOP pathway. Furthermore, the plasma and urinary levels of hsa_circ_0075663 in patients with AKI following CPR were significantly higher than non-AKI patients, exhibited a strongly correlation with serum creatinine. CONCLUSION The involvement of mmu_circ_003062, hsa_circ_0075663/miR-490-3p/CACNA1H/GRP78 and CHOP axis is significant in the development of ischemic AKI. Moreover, hsa_circ_0075663 has potential as an early diagnostic biomarker.
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Affiliation(s)
- Qiang Zheng
- Department of Emergency, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Xiaozhou Li
- Department of Emergency, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xuan Xu
- Department of Emergency, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xianming Tang
- Department of Emergency, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Bacha Hammad
- Department of Emergency, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jihong Xing
- Department of Emergency, The First Hospital of Jilin University, Changchun, Jilin, China.
| | - Dongshan Zhang
- Department of Emergency, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Guo Y, Wu D, Li X, Wang J, Li H, Li Y, Luo D, Yi F, Zhang D. Proximal tubular MBD2 promotes autophagy to drive the progression of AKI caused by vancomycin via regulation of miR-597-5p/S1PR1 axis. FASEB J 2024; 38:e23562. [PMID: 38578557 DOI: 10.1096/fj.202301500r] [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: 07/23/2023] [Revised: 02/03/2024] [Accepted: 03/04/2024] [Indexed: 04/06/2024]
Abstract
Our recent investigation has indicated that the global deletion of MBD2 can mitigate the progression of AKI induced by VAN. Nevertheless, the role and regulatory mechanisms of proximal tubular MBD2 in this pathophysiological process have yet to be elucidated. Our preceding investigation revealed that autophagy played a crucial role in advancing AKI induced by VAN. Consequently, we postulated that MBD2 present in the proximal tubule could upregulate the autophagic process to expedite the onset of AKI. In the present study, we found for the first time that MBD2 mediated the autophagy production induced by VAN. Through the utilization of miRNA chip analysis, we have mechanistically demonstrated that MBD2 initiates the activation of miR-597-5p through promoter demethylation. This process leads to the suppression of S1PR1, which results in the induction of autophagy and apoptosis in renal tubular cells. Besides, PT-MBD2-KO reduced autophagy to attenuate VAN-induced AKI via regulation of the miR-597-5p/S1PR1 axis, which was reversed by rapamycin. Finally, the overexpression of MBD2 aggravated the diminished VAN-induced AKI in autophagy-deficient mice (PT-Atg7-KO). These data demonstrate that proximal tubular MBD2 facilitated the process of autophagy via the miR-597-5p/S1PR1 axis and subsequently instigated VAN-induced AKI through the induction of apoptosis. The potentiality of MBD2 being a target for AKI was established.
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Affiliation(s)
- Yong Guo
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Organ Procurement Organization, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dengke Wu
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaozhou Li
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Juan Wang
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huiling Li
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yijian Li
- Department of Urinary Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dan Luo
- Department of Emergency Medicine, Yueyang Central Hospital, Yueyang, Hunan, China
| | - Feng Yi
- Department of Emergency Medicine, Yueyang Central Hospital, Yueyang, Hunan, China
| | - Dongshan Zhang
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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Liu J, Xiao Y, Cao L, Lu S, Zhang S, Yang R, Wang Y, Zhang N, Yu Y, Wang X, Guo W, Wang Z, Xu H, Xing C, Song X, Cao L. Insights on E1-like enzyme ATG7: functional regulation and relationships with aging-related diseases. Commun Biol 2024; 7:382. [PMID: 38553562 PMCID: PMC10980737 DOI: 10.1038/s42003-024-06080-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 03/20/2024] [Indexed: 04/02/2024] Open
Abstract
Autophagy is a dynamic self-renovation biological process that maintains cell homeostasis and is responsible for the quality control of proteins, organelles, and energy metabolism. The E1-like ubiquitin-activating enzyme autophagy-related gene 7 (ATG7) is a critical factor that initiates classic autophagy reactions by promoting the formation and extension of autophagosome membranes. Recent studies have identified the key functions of ATG7 in regulating the cell cycle, apoptosis, and metabolism associated with the occurrence and development of multiple diseases. This review summarizes how ATG7 is precisely programmed by genetic, transcriptional, and epigenetic modifications in cells and the relationship between ATG7 and aging-related diseases.
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Affiliation(s)
- Jingwei Liu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
- Department of Anus and Intestine Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yutong Xiao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Liangzi Cao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Songming Lu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Siyi Zhang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Ruohan Yang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Yubang Wang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Naijin Zhang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Department of Cardiology, First Hospital of China Medical University, Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, China
| | - Yang Yu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Xiwen Wang
- Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Wendong Guo
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Zhuo Wang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China
| | - Hongde Xu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China.
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China.
| | - Chengzhong Xing
- Department of Anus and Intestine Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China.
| | - Xiaoyu Song
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China.
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China.
| | - Liu Cao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning, China.
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning, China.
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Jiang S, He J, Zhang L, Zhao Q, Zhao S. Bacterial lipoprotein plays an important role in the macrophage autophagy and apoptosis induced by Salmonella typhimurium and Staphylococcus aureus. Open Life Sci 2023; 18:20220739. [PMID: 37791056 PMCID: PMC10543702 DOI: 10.1515/biol-2022-0739] [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: 06/02/2023] [Revised: 08/04/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
This study aimed to determine the role of bacterial lipoprotein (BLP) in autophagy and apoptosis. Western blot was used to examine autophagy biomarkers in mouse bone marrow-derived macrophages (BMDMs) after infection with Salmonella typhimurium (S. typhimurium) and Staphylococcus aureus (S. aureus) and BLP stimulation. In BMDMs, enhanced protein expression of LC3-II was observed after S. typhimurium or S. aureus infection (P < 0.05) and BLP stimulation (P < 0.05). Autophagy inhibition by chloroquine resulted in increased levels of LC3-Ⅱ and p62 protein (P < 0.05). Persistently upregulated expressions of Atg3 and Atg7 were observed following BLP stimulation (P < 0.05), and knockdown of Atg3 or Atg7 significantly attenuated BLP-enhanced protein expression of LC3-Ⅱ in BMDMs. Furthermore, we found that the autophagy inhibitor 3-methyladenine prevented BLP- and infection-induced macrophage apoptosis. BLP is not only required for autophagy and apoptosis activation in macrophages but also for regulating the balance between autophagy and apoptosis.
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Affiliation(s)
- Shanshan Jiang
- Institute of Hematological Research, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, 71000, China
| | - Jinyao He
- Clinical Laboratory, Xi’an Medical University, Xi’an, Shaanxi, 710068, China
| | - Lijie Zhang
- Institute of Hematological Research, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, 71000, China
| | - Qiaojiajie Zhao
- Institute of Hematological Research, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, 71000, China
| | - Shuqi Zhao
- Institute of Hematological Research, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, 71000, China
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6
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Liu B, Zhang L, Yang H, Chen X, Zheng H, Liao X. SIK2 protects against renal tubular injury and the progression of diabetic kidney disease. Transl Res 2023; 253:16-30. [PMID: 36075517 DOI: 10.1016/j.trsl.2022.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/17/2022] [Accepted: 08/22/2022] [Indexed: 02/03/2023]
Abstract
Despite optimal medical therapy, many patients with diabetic kidney disease (DKD) progress to end-stage renal disease. The identification of new biomarkers and drug targets for DKD is required for the development of more effective therapies. The apoptosis of renal tubular epithelial cells is a key feature of the pathogenicity associated with DKD. SIK2, a salt-inducible kinase, regulates important biological processes, such as energy metabolism, cell cycle progression and cellular apoptosis. In our current study, a notable decrease in the expression of SIK2 was detected in the renal tubules of DKD patients and murine models. Functional experiments demonstrated that deficiency or inactivity of SIK2 aggravates tubular injury and interstitial fibrosis in diabetic mice. Based on transcriptome sequencing, molecular mechanism exploration revealed that SIK2 overexpression reduces endoplasmic reticulum (ER) stress-mediated tubular epithelial apoptosis by inhibiting the histone acetyltransferase activity of p300 to activate HSF1/Hsp70. Furthermore, the specific restoration of SIK2 in tubules blunts tubular and interstitial impairments in diabetic and vancomycin-induced kidney disease mice. Together, these findings indicate that SIK2 protects against renal tubular injury and the progression of kidney disease, and make a compelling case for targeting SIK2 for therapy in DKD.
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Affiliation(s)
- Bingyao Liu
- Department of Endocrinology, Chongqing Education Commission Key Laboratory of Diabetic Translational Research, the Second Affiliated Hospital of Army Medical University, Chongqing, China
| | - Linlin Zhang
- Department of Endocrinology, Chongqing Education Commission Key Laboratory of Diabetic Translational Research, the Second Affiliated Hospital of Army Medical University, Chongqing, China
| | - Hang Yang
- Department of Endocrinology, Chongqing Education Commission Key Laboratory of Diabetic Translational Research, the Second Affiliated Hospital of Army Medical University, Chongqing, China
| | - Xinyu Chen
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Hongting Zheng
- Department of Endocrinology, Chongqing Education Commission Key Laboratory of Diabetic Translational Research, the Second Affiliated Hospital of Army Medical University, Chongqing, China.
| | - Xiaoyu Liao
- Department of Endocrinology, Chongqing Education Commission Key Laboratory of Diabetic Translational Research, the Second Affiliated Hospital of Army Medical University, Chongqing, China.
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7
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LncRNA 148400 Promotes the Apoptosis of Renal Tubular Epithelial Cells in Ischemic AKI by Targeting the miR-10b-3p/GRK4 Axis. Cells 2022; 11:cells11243986. [PMID: 36552750 PMCID: PMC9776552 DOI: 10.3390/cells11243986] [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: 10/13/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
Although recent studies have reported that long non-coding RNA (lncRNA) is involved in the development of ischemic acute kidney injury (AKI), the exact function and regulatory mechanism of lncRNAs in ischemic AKI remain largely unknown. Herein, we found that ischemic injury promoted the expression of lncRNA 148400 in mouse proximal tubule-derived cell line (BUMPT) and C57BL/6J mice. Furthermore, the lncRNA148400 mediates ischemic injury-induced apoptosis of BUMPT cells. Mechanistically, lncRNA 148400 sponged miR-10b-3p to promote apoptosis via GRK4 upregulation. Finally, knockdown of lncRNA 148400 alleviated the I/R-induced deterioration of renal function, renal tubular injury, and cell apoptosis. In addition, cleaved caspase-3 is increased via targeting the miR-10b-3p/GRK4 axis. Collectively, these results showed that lncRNA 148400/miR-10b-3p/GRK4 axis mediated the development of ischemic AKI.
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Pan J, Xie Y, Li H, Li X, Chen J, Liu X, Zhou J, Tang X, He Z, Peng Z, Zhang H, Li Y, Xiang X, Yuan Y, Zhang D. mmu-lncRNA 121686/hsa-lncRNA 520657 induced by METTL3 drive the progression of AKI by targeting miR-328-5p/HtrA3 signaling axis. Mol Ther 2022; 30:3694-3713. [PMID: 35869629 PMCID: PMC9734029 DOI: 10.1016/j.ymthe.2022.07.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/27/2022] [Accepted: 07/18/2022] [Indexed: 12/14/2022] Open
Abstract
The pathogenesis of acute kidney injury (AKI) is still not fully understood, and effective interventions are lacking. Here, we explored whether methyltransferase 3 (METTL3) was involved in the progression of AKI via regulation of cell death. We reported that PT(proximal tubule)-METTL3-knockout (KO) noticeably suppressed ischemic-induced AKI via inhibition of renal cell apoptosis. Furthermore, we also found that the expression of mmu-long non-coding RNA (lncRNA) 121686 was upregulated in antimycin-treated Boston University mouse proximal tubule (BUMPT) cells and a mouse ischemia-reperfusion (I/R)-induced AKI model. Functionally, mmu-lncRNA 121686 could promote I/R-induced mouse renal cell apoptosis. Mechanistically, mmu-lncRNA 121686 acted as a competing endogenous RNA (ceRNA) to prevent microRNA miR-328-5p-mediated downregulation of high-temperature requirement factor A 3 (Htra3). PT-mmu-lncRNA 121686-KO mice significantly ameliorated the ischemic-induced AKI via the miR-328-5p/HtrA3 axis. In addition, hsa-lncRNA 520657, homologous with lncRNA 121686, sponged miR-328-5p and upregulated Htra3 to promote I/R-induced human renal cell apoptosis. Interestingly, we found that mmu-lncRNA 121686/hsa-lncRNA 520657 upregulation were dependent on METTL3 via N6-methyladenosine (m6A) modification. The mmu-lncRNA 121686/miR-328-5p or hsa-lncRNA 520657/miR-328-5p /HtrA3 axis was induced in vitro by METTL3 overexpression; in contrast, this effect was attenuated by METTL3 small interfering RNA (siRNA). Furthermore, we found that PT-METTL3-KO or METTL3 siRNA significantly suppressed ischemic, septic, and vancomycin-induced AKI via downregulation of the mmu-lncRNA 121686/miR-328-5p/HtrA3 axis. Taken together, our data indicate that the METTL3/mmu-lncRNA 121686/hsa-lncRNA 520657/miR-328-5p/HtrA3 axis potentially acts as a therapeutic target for AKI.
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Affiliation(s)
- Jian Pan
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Yuxin Xie
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Huiling Li
- Department of Ophthalmology, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Junxiang Chen
- Department of Nephrology, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China
| | - Xiangfeng Liu
- Department of General Surgery, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Jun Zhou
- Department of General Surgery, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Xianming Tang
- Department of Chest Surgery, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Zhibiao He
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Zhenyu Peng
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Hongliang Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Yijian Li
- Department of Urinary Surgery, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China
| | - Xudong Xiang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China
| | - Yunchang Yuan
- Department of Chest Surgery, Second Xiangya Hospital, Changsha, Hunan 410011, People’s Republic of China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China,Hunan Clinical Medical Research Center for Acute Organ Injury and Repair, Changsha, Hunan 410011, People’s Republic of China,Corresponding author: Dongshan Zhang, Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People’s Republic of China.
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9
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Liao Y, Peng X, Li X, Wu D, Qiu S, Tang X, Zhang D. CircRNA_45478 promotes ischemic AKI by targeting the miR-190a-5p/PHLPP1 axis. FASEB J 2022; 36:e22633. [PMID: 36315192 DOI: 10.1096/fj.202201070r] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 10/02/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022]
Abstract
A few studies suggested that circular RNAs were involved in the development of ischemic acute kidney injury (AKI). However, the function and regulation mechanism of circRNA_45478 in ischemic AKI remains unknown. In the present study, ischemic injury induced the expressions of circRNA_45478 in mouse proximal tubule-derived cell lines (BUMPT cells) and kidneys of C57BL/6 mice. Functionally, circRNA_45478 mediated I/R-induced apoptosis in BUMPT cells. Mechanistically, circRNA_45478 upregulated the expression of Pleckstrin homology (PH) domain leucine-rich repeat protein phosphatase 1 (PHLPP1) via sponging of microRNA (miR)-190a-5p. Finally, inhibition of circRNA_45478 significantly alleviated the progression of ischemic AKI through regulation of the miR-190a-5p/PHLPP1 pathway. Taken together, our data showed that circRNA_45478/miR-190a-5p/PHLPP1 axis mediated the progression of ischemic AKI.
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Affiliation(s)
- Yingjun Liao
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Xiongjun Peng
- Department of Medical Equipment, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Dengke Wu
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Shuangfa Qiu
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Xianming Tang
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Dongshan Zhang
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
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10
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Li S, Huang Q, Zhou D, He B. PRKCD as a potential therapeutic target for chronic obstructive pulmonary disease. Int Immunopharmacol 2022; 113:109374. [DOI: 10.1016/j.intimp.2022.109374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/09/2022] [Accepted: 10/16/2022] [Indexed: 11/05/2022]
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11
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Sun T, Wu D, Deng Y, Zhang D. EGFR mediated the renal cell apoptosis in rhabdomyolysis-induced model via upregulation of autophagy. Life Sci 2022; 309:121050. [DOI: 10.1016/j.lfs.2022.121050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/27/2022] [Accepted: 10/03/2022] [Indexed: 10/31/2022]
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12
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MiR-6918-5p prevents renal tubular cell apoptosis by targeting MBD2 in ischemia/reperfusion-induced AKI. Life Sci 2022; 308:120921. [PMID: 36057400 DOI: 10.1016/j.lfs.2022.120921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 07/28/2022] [Accepted: 08/25/2022] [Indexed: 11/21/2022]
Abstract
AIMS Although previous studies reported that miRNAs are involved in the progression of acute kidney injury (AKI), their exact function and mechanism in ischemic AKI remains largely unknown. This study aims to define the role of miR-6918-5p in ischemia-reperfusion AKI. Materials and methods The renal arteries of C57BL/6J mice were clamped to establish a model of ischemia-reperfusion renal injury. BUMPT cells were added with Antimycin A and calcium ionophore to establish a model of ATP depletion in vitro. Cell apoptosis was detected by CCK8, flow cytometry and western blot, while HE staining and TUNEL staining were used to assess the degree of kidney damage. KEY FINDINGS We suppressed mmu_miR-6918-5p by ischemic injury in vitro and in vivo. We found that ischemia-reperfusion (I/R)-induced renal tubular cell apoptosis and the expression of cleaved caspase3 were enhanced by the inhibitor of mmu_miR-6918-5p; this effect was attenuated by an mmu_miR-6918-5p mimic. Mechanistically, mmu_miR-6918-5p binds to the 3' UTR region of MBD2 and represses its expression. The mmu_miR-6918-5p mimic alleviated the ischemic AKI by targeting MBD2. Conversely, the inhibitor of mmu_miR-6918-5p enhanced the ischemic AKI; this was diminished by MBD2-KO. SIGNIFICANCE Mmu_miR-6918-5p protected against the development of ischemic AKI by targeting MBD2.
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13
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Laou E, Mavridis T, Papagiannakis N, Pais G, Chighine A, Chang J, Locci E, D’Aloja E, Scheetz M, Chalkias A, Xanthos T. Blood Biomarkers and Metabolomic Profiling for the Early Diagnosis of Vancomycin-Associated Acute Kidney Injury: A Systematic Review and Meta-Analysis of Experimental Studies. J Pers Med 2022; 12:1397. [PMID: 36143182 PMCID: PMC9505572 DOI: 10.3390/jpm12091397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND several blood-based biomarkers have been proposed for predicting vancomycin-associated kidney injury (VIKI). However, no systematic analysis has compared their prognostic value. OBJECTIVE this systematic review and meta-analysis was designed to investigate the role of blood biomarkers and metabolomic profiling as diagnostic and prognostic predictors in pre-clinical studies of VIKI. METHODS a systematic search of PubMed was conducted for relevant articles from January 2000 to May 2022. Animal studies that administered vancomycin and studied VIKI were eligible for inclusion. Clinical studies, reviews, and non-English literature were excluded. The primary outcome was to investigate the relationship between the extent of VIKI as measured by blood biomarkers and metabolomic profiling. Risk of bias was assessed with the CAMARADES checklist the SYRCLE's risk of bias tool. Standard meta-analysis methods (random-effects models) were used. RESULTS there were four studies for the same species, dosage, duration of vancomycin administration and measurement only for serum creatine and blood urea nitrogen in rats. A statistically significant increase was observed between serum creatinine in the vancomycin group compared to controls (pooled p = 0.037; Standardized Mean Difference: 2.93; 95% CI: 0.17 to 5.69; I2 = 92.11%). Serum BUN levels were not significantly different between control and vancomycin groups (pooled p = 0.11; SMD: 3.05; 95% CI: 0.69 to 6.8; I2 = 94.84%). We did not identify experimental studies using metabolomic analyses in animals with VIKI. CONCLUSIONS a total of four studies in rodents only described outcomes of kidney injury as defined by blood biomarkers. Blood biomarkers represented included serum creatinine and BUN. Novel blood biomarkers have not been explored.
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Affiliation(s)
- Eleni Laou
- Department of Anesthesiology, Faculty of Medicine, University of Thessaly, 41500 Larisa, Greece
| | - Theodoros Mavridis
- First Department of Neurology, Eginition University Hospital, Medical School, National and Kapodistrian University of Athens, 15772 Athens, Greece
| | - Nikolaos Papagiannakis
- First Department of Neurology, Eginition University Hospital, Medical School, National and Kapodistrian University of Athens, 15772 Athens, Greece
| | - Gwendolyn Pais
- Department of Pharmacy Practice, Pharmacometric Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, IL 60515, USA
| | - Alberto Chighine
- Department of Medical Sciences and Public Health, Section of Legal Medicine, University of Cagliari, 09124 Cagliari, Italy
| | - Jack Chang
- Department of Pharmacy Practice, Pharmacometric Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, IL 60515, USA
- Northwestern Memorial Hospital, Chicago, IL 60611, USA
| | - Emanuela Locci
- Department of Medical Sciences and Public Health, Section of Legal Medicine, University of Cagliari, 09124 Cagliari, Italy
| | - Ernesto D’Aloja
- Department of Medical Sciences and Public Health, Section of Legal Medicine, University of Cagliari, 09124 Cagliari, Italy
| | - Marc Scheetz
- Department of Pharmacy Practice, Pharmacometric Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, IL 60515, USA
- Northwestern Memorial Hospital, Chicago, IL 60611, USA
| | - Athanasios Chalkias
- Department of Anesthesiology, Faculty of Medicine, University of Thessaly, 41500 Larisa, Greece
- Outcomes Research Consortium, Cleveland, OH 44195, USA
| | - Theodoros Xanthos
- School of Health sciences, University of West Attica, 12243 Athens, Greece
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14
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Tang L, Yu J, Zhuge S, Chen H, Zhang L, Jiang G. Oxidative stress and Cx43-mediated apoptosis are involved in PFOS-induced nephrotoxicity. Toxicology 2022; 478:153283. [DOI: 10.1016/j.tox.2022.153283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 01/09/2023]
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15
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Xiao Y, Li X, Qiu S, Wang Y, Zhang D. LncRNA 122049 suppresses apoptosis of renal tubular epithelial cells in ischemic AKI by targeting the miR-330-5p/ELK1 axis. FASEB J 2022; 36:e22395. [PMID: 35695811 DOI: 10.1096/fj.202200064rr] [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] [Received: 01/14/2022] [Revised: 05/15/2022] [Accepted: 05/23/2022] [Indexed: 01/13/2023]
Abstract
Several studies have reported that long non-coding RNAs (LncRNAs) were associated with the progression of acute kidney injury (AKI). However, the role and regulation mechanism of lncRNA122049 in ischemic AKI remains unknown. In the present study, we found that lncRNA 122049 protected against the ischemia/reperfusion (I/R) induced apoptosis in BUMPT cells. Mechanistically, the lncRNA 122049 directly sponged miR-330-5p, then increased the expression of ELK1(ETS transcription factor ELK1) to decrease renal cell apoptosis. In addition, miR-330-5p inhibitor completely reversed the pro-apoptotic effect of LncRNA 122049 siRNA on I/R-induced BUMPT cells apoptosis. Finally, overexpression of lncRNA 122049 attenuated ischemic mice AKI via targeting of the miR-330-5p/ELK1 axis. Collectively, the data demonstrated that LncRNA 122049 prevented the I/R-induced renal cell apoptosis via regulation of the miR-330-5p/ELK1 axis, which brings new insights into the pathogenesis and potential targeted treatment of ischemic AKI.
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Affiliation(s)
- Ying Xiao
- Department of Blood Transfusion, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Shuangfa Qiu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Yongjun Wang
- Department of Blood Transfusion, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China.,Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, People's Republic of China
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16
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Liu J, Li X, Yang J, Zhang D. LncRNA ENSMUST_147219 mediates the progression of ischemic acute kidney injury by targeting the miR-221-5p/IRF6 axis. Apoptosis 2022; 27:531-544. [PMID: 35618996 PMCID: PMC9308590 DOI: 10.1007/s10495-022-01730-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2022] [Indexed: 02/02/2023]
Abstract
Although previous studies have revealed that long noncoding RNAs (lncRNAs) regulate the progression of ischemic acute kidney injury (AKI), the exact role and mechanism of lncRNA ENSMUST_147219 in ischemic AKI are not clear. In the present study, lncRNA ENSMUST_147219 was induced by ischemic injury in vitro and in vivo. Functionally, lncRNA ENSMUST_147219 mediated apoptosis in mouse proximal tubule‐derived cell line (BUMPT). Mechanistically, lncRNA ENSMUST_147219 sponged the microRNA (miR)-221-5p to upregulate the expression of interferon regulatory factor 6 (IRF6) to drive apoptosis. Finally, knockdown of lncRNA ENSMUST_147219 markedly attenuated the ischemic AKI by targeting the miR-221-5p/IRF6 axis. Collectively, our data demonstrated that lncRNA ENSMUST_147219 promoted the development of ischemic AKI by regulating the miR-221-5p/IRF6 pathway, which could be considered a new therapeutic target for ischemic AKI.
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Affiliation(s)
- Jing Liu
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People's Republic of China.,Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Jurong Yang
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People's Republic of China.
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China. .,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China. .,Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, People's Republic of China.
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17
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Wu D, Pan J, Zhang D. Inhibition of PKC-δ reduce rhabdomyolysis-induced acute kidney injury. J Cell Mol Med 2022; 26:3243-3253. [PMID: 35502493 PMCID: PMC9170808 DOI: 10.1111/jcmm.17331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 12/12/2022] Open
Abstract
Despite extensive research, the mechanisms underlying rhabdomyolysis-induced acute kidney injury (AKI) remain largely elusive. In this study, we established both cell and murine models of rhabdomyolysis-induced AKI by using myoglobin and glycerin, respectively, and provided evidence that protein kinase Cδ (PKC-δ) was activated in both models and subsequently promoted cell apoptosis. Moreover, we found that this detrimental effect of PKC-δ activation can be reversed by its pharmaceutical inhibitor rottlerin. Furthermore, we detected and confirmed the existence of PKC-δ-mediated myoglobin-induced cell apoptosis and the expression of TNF-α and IL1-β via regulation of the p38MAPK and ERK1/2 signalling pathways. In summary, our research revealed the role of PKC-δ in renal cell apoptosis and suggests that PKC-δ is a viable therapeutic target for rhabdomyolysis-induced AKI.
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Affiliation(s)
- Dengke Wu
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
| | - Jian Pan
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
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18
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Zhou L, Yu Z, Xia Y, Cheng S, Gao J, Sun W, Jiang X, Zhang J, Mao L, Qin X, Zou Z, Qiu J, Chen C. Repression of autophagy leads to acrosome biogenesis disruption caused by a sub-chronic oral administration of polystyrene nanoparticles. ENVIRONMENT INTERNATIONAL 2022; 163:107220. [PMID: 35381522 DOI: 10.1016/j.envint.2022.107220] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 03/28/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
As a new widespread contaminant, nanoplastics (NPs) pose a potential risk to human health. Nevertheless, the adverse effects of NPs on the male reproductive system are poorly understood. In this study, we aimed to determine the effects of polystyrene nanoplastics (PS-NPs) (50 nm) on sperm quality, with a focus on the acrosome defects. After 35 days of intragastric administration, sperm quality was decreased and testicular structures were impaired in mice exposed to PS-NPs in both the medium (1.0 mg/kg) and high dose (10 mg/kg) groups. No significant changes were observed in the low dose (0.2 mg/kg) group. Meanwhile, acrosome parameters including acrosome integrity and acrosome reaction were decreased after the administration of PS-NPs. These findings were consistent with the disruption of acrosome biogenesis, as identified by the changed testicular ultrastructure. Additionally, the findings were further validated using seven marker genes (Gba2, Pick1, Gopc, Hrb, Zpbp1, Spaca1 and Dpy19l2) essential for acrosome formation, which showed that two of these genes (Gopc and Dpy19l2) were significantly down-regulated. Moreover, repressed autophagy was observed in the testes of PS-NPs-exposed mice based on autophagy-related protein expression. This phenomenon was further verified in GC-2spd cells treated with PS-NPs (50 μg/mL, 100 μg/mL, 200 μg/mL for 24 h). The potential role of autophagy in such acrosome defects was explored by using the autophagy inhibitor 3-methyladenine (3-MA), autophagy activator rapamycin or beclin-1 siRNA. The results showed that Golgi-associated vesicle disorganization was exacerbated with the 3-MA and beclin-1 siRNA pretreatments, but decreased with the rapamycin pretreatment, and the expression of GOPC and DPY19L2 was also altered. These results indicated that autophagy might be involved in the PS-NPs-induced acrosome lesions based on the regulation of two key acrosome-formation proteins, GOPC and DPY19L2. Altogether, our results will provide new insights into the PS-NPs-induced male reproductive impairment.
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Affiliation(s)
- Lixiao Zhou
- Department of Health Laboratory Technology, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Ziying Yu
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Yinyin Xia
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Shuqun Cheng
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Jieying Gao
- Department of Health Laboratory Technology, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Wei Sun
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Xuejun Jiang
- Center of Experimental Teaching for Public Health, Experimental Teaching and Management Center, Chongqing Medical University, Chongqing 400016, People's Republic of China; Dongsheng Lung-Brain Disease Joint Lab, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Jun Zhang
- Dongsheng Lung-Brain Disease Joint Lab, Chongqing Medical University, Chongqing 400016, People's Republic of China; Molecular Biology Laboratory of Respiratory Diseases, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Lejiao Mao
- Dongsheng Lung-Brain Disease Joint Lab, Chongqing Medical University, Chongqing 400016, People's Republic of China; Molecular Biology Laboratory of Respiratory Diseases, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Xia Qin
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Zhen Zou
- Dongsheng Lung-Brain Disease Joint Lab, Chongqing Medical University, Chongqing 400016, People's Republic of China; Molecular Biology Laboratory of Respiratory Diseases, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, People's Republic of China.
| | - Jingfu Qiu
- Department of Health Laboratory Technology, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China.
| | - Chengzhi Chen
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, People's Republic of China; Dongsheng Lung-Brain Disease Joint Lab, Chongqing Medical University, Chongqing 400016, People's Republic of China.
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19
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Vancomycin-Associated Acute Kidney Injury: A Narrative Review from Pathophysiology to Clinical Application. Int J Mol Sci 2022; 23:ijms23042052. [PMID: 35216167 PMCID: PMC8877514 DOI: 10.3390/ijms23042052] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 12/12/2022] Open
Abstract
Vancomycin is the most frequently used antibiotic, accounting for up to 35% of hospitalized patients with infection, because of its optimal bactericidal effectiveness and relatively low price. Vancomycin-associated AKI (VA-AKI) is a clinically relevant but not yet clearly understood entity in critically ill patients. The current review comprehensively summarizes the pathophysiological mechanisms of, biomarkers for, preventive strategies for, and some crucial issues with VA-AKI. The pathological manifestations of VA-AKI include acute tubular necrosis, acute tubulointerstitial nephritis (ATIN), and intratubular crystal obstruction. The proposed pathological mechanisms of VA-AKI include oxidative stress and allergic reactions induced by vancomycin and vancomycin-associated tubular casts. Concomitant administration with other nephrotoxic antibiotics, such as piperacillin–tazobactam, high vancomycin doses, and intermittent infusion strategies compared to the continuous infusion are associated with a higher risk of VA-AKI. Several biomarkers could be applied to predict and diagnose VA-AKI. To date, no promising therapy is available. Oral steroids could be considered for patients with ATIN, whereas hemodialysis might be applied to remove vancomycin from the patient. In the future, disclosing more promising biomarkers that could precisely identify populations susceptible to VA-AKI and detect VA-AKI occurrence early on, and developing pharmacological agents that could prevent or treat VA-AKI, are the keys to improve the prognoses of patients with severe infection who probably need vancomycin therapy.
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Methyl-CpG-binding domain protein 2 contributes to renal fibrosis through promoting polarized M1 macrophages. Cell Death Dis 2022; 13:125. [PMID: 35136032 PMCID: PMC8826408 DOI: 10.1038/s41419-022-04577-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 12/14/2021] [Accepted: 01/19/2022] [Indexed: 12/20/2022]
Abstract
Recent studies reported that Methyl-CpG–binding domain protein 2 (MBD2) promoted M2 macrophages accumulation to increase bleomycin-induced pulmonary fibrosis. However, the role and mechanism of action of MBD2 in macrophages differentiation and renal fibrosis remain largely unknown. In the current study, MBD2 not only promoted the differentiation of resting M0 macrophages to polarized M2 macrophages, but also induced them to polarized M1 macrophages and the transition of M2 to M1 macrophages. ChIP analysis demonstrated that MBD2 physically interacted with the promoter region of the CpG islands of G0S2 genes, and then activated their expression by inducing hypomethylation of the promoter region. Interestingly, the data demonstrated that the role of G0S2 in macrophages differentiation is consistent with MBD2. Furthermore, Co-culture of activated M1 macrophages and murine embryonic NIH 3T3 fibroblasts indicated that MBD2 mediated the M1-induction of ECM production by embryonic NIH 3T3 fibroblasts via promotion of G0S2. In addition, we also found that inhibition of MBD2 suppressed LPS induced the expression of p53 as well as activation and expression of stat3 in RAW264.7 macrophages. In vivo, MBD2 LysMcre attenuated unilateral ureteral obstruction (UUO) and ischemia/reperfusion (I/R)-induced renal fibrosis via downregulation of G0S2, which was demonstrated by the downregulation of fibronectin (FN), collagen I and IV, α-SMA, G0S2. These data collectively demonstrated that MBD2 in macrophages contributed to UUO and I/R-induced renal fibrosis through the upregulation of G0S2, which could be a target for treatment for chronic kidney disease.
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Li X, Pan J, Li H, Li G, Liu B, Tang X, Liu X, He Z, Peng Z, Zhang H, Wang L, Li Y, Xiang X, Chai X, Yuan Y, Zheng P, Zhang D. DsbA-L interacts with VDAC1 in mitochondrion-mediated tubular cell apoptosis and contributes to the progression of acute kidney disease. EBioMedicine 2022; 76:103859. [PMID: 35124430 PMCID: PMC8829058 DOI: 10.1016/j.ebiom.2022.103859] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND we demonstrated that disulfide-bond A oxidoreductase-like protein (DsbA-L) was involved in the progression of renal fibrosis. However, the precise function of DsbA-L in acute kidney injury (AKI), and the mechanisms involved, have yet to be elucidated. METHODS We illustrate the DsbA-L interacted with VDAC1 by co-IP (co-immunoprecipitation) in vitro and vivo, and found the interaction parts of them by mutation experiment. The above findings were verified by co-localization of them. In addition, we constructed the two model of PT-DsbA-L and VDAC1 KO mice to verify the function of DsbA-L and VDAC1 in models of VAN, CLP and I/R-induced AKI. FINDINGS The PT-DsbA-L-KO mice showed amelioration of I/R, VAN-, and CLP-induced AKI progression via the downregulation of VDAC1. Finally, we confirmed these changes in signal molecules by examining in HK-2 cells and kidney biopsies taken from patients with ischemic or acute interstitial nephritis (AIN)-induced AKI. Mechanistically, DsbA-L interacted with amino acids 9-13 and 22-27 of VDAC1 in the mitochondria of BUMPT cells to induce renal cell apoptosis and mitochondrial injury. INTERPRETATION This work suggested that DsbA-L, located in the proximal tubular cells, drives the progression of AKI, by directly upregulating the levels of VDAC1.Running Title: The role of DsbA-L in AKI FUNDING: National Natural Science Foundation of China, a grant from Key Project of Hunan provincial science and technology innovation, Department of Science and Technology of Hunan Province project of International Cooperation and Exchanges, Changsha Science and Technology Bureau project, Natural Science Foundation of Hunan Province, Fundamental Research Funds for the Central Universities of Central South University, Hunan Provincial Innovation Foundation For Postgraduate China Hunan Provincial Science and Technology Department.
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Affiliation(s)
- Xiaozhou Li
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Jian Pan
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Huiling Li
- Department of Ophthalmology, People's Republic of China
| | - Guangdi Li
- Department of Public Health, Central South University, Changsha, Hunan, People's Republic of China
| | - Bohao Liu
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Xianming Tang
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Xiangfeng Liu
- Department of General Surgery, Second Xiangya Hospital, People's Republic of China
| | - Zhibiao He
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Zhenyu Peng
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Hongliang Zhang
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Luxiang Wang
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Yijian Li
- Departmentof Urinary Surgery, People's Republic of China
| | - Xudong Xiang
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Xiangping Chai
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Yunchang Yuan
- Department of Chestsurgery, People's Republic of China
| | - Peilin Zheng
- Department of Endocrinology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Dongshan Zhang
- Department of Emergency Medicine, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, People's Republic of China.
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22
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Jung HJ, An HJ, Gwon MG, Gu H, Bae S, Lee SJ, Kim YA, Leem J, Park KK. Anti-Fibrotic Effect of Synthetic Noncoding Oligodeoxynucleotide for Inhibiting mTOR and STAT3 via the Regulation of Autophagy in an Animal Model of Renal Injury. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030766. [PMID: 35164031 PMCID: PMC8840279 DOI: 10.3390/molecules27030766] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/10/2022] [Accepted: 01/19/2022] [Indexed: 12/12/2022]
Abstract
Renal fibrosis is a common process of various kidney diseases. Autophagy is an important cell biology process to maintain cellular homeostasis. In addition, autophagy is involved in the pathogenesis of various renal disease, including acute kidney injury, glomerular diseases, and renal fibrosis. However, the functional role of autophagy in renal fibrosis remains poorly unclear. The mammalian target of rapamycin (mTOR) plays a negative regulatory role in autophagy. Signal transducer and activator of transcription 3 (STAT3) is an important intracellular signaling that may regulate a variety of inflammatory responses. In addition, STAT3 regulates autophagy in various cell types. Thus, we synthesized the mTOR/STAT3 oligodeoxynucleotide (ODN) to regulate the autophagy. The aim of this study was to investigate the beneficial effect of mTOR/STAT3 ODN via the regulation of autophagy appearance on unilateral ureteral obstruction (UUO)-induced renal fibrosis. This study showed that UUO induced inflammation, tubular atrophy, and tubular interstitial fibrosis. However, mTOR/STAT3 ODN suppressed UUO-induced renal fibrosis and inflammation. The autophagy markers have no statistically significant relation, whereas mTOR/STAT3 ODN suppressed the apoptosis in tubular cells. These results suggest the possibility of mTOR/STAT3 ODN for preventing renal fibrosis. However, the role of mTOR/STAT3 ODN on autophagy regulation needs to be further investigated.
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Affiliation(s)
- Hyun Jin Jung
- Department of Urology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea;
| | - Hyun-Jin An
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Mi-Gyeong Gwon
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Hyemin Gu
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Seongjae Bae
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Sun-Jae Lee
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Young-Ah Kim
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
| | - Jaechan Leem
- Department of Immunology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea;
| | - Kwan-Kyu Park
- Department of Pathology, College of Medicine, Catholic University of Daegu, Daegu 42472, Korea; (H.-J.A.); (M.-G.G.); (H.G.); (S.B.); (S.-J.L.); (Y.-A.K.)
- Correspondence: ; Tel.: +82-53-650-4149; Fax: +82-53-650-4834
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23
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Yoon JS, Lee HJ, Sim DY, Im E, Park JE, Park WY, Koo JI, Shim BS, Kim SH. Moracin D induces apoptosis in prostate cancer cells via activation of PPAR gamma/PKC delta and inhibition of PKC alpha. Phytother Res 2021; 35:6944-6953. [PMID: 34709688 DOI: 10.1002/ptr.7313] [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: 06/21/2021] [Revised: 09/02/2021] [Accepted: 10/07/2021] [Indexed: 11/11/2022]
Abstract
Herein, apoptotic mechanism of Moracin D was explored in prostate cancer cells in association with peroxisome proliferator-activated receptor gamma (PPAR-γ)-related signaling involved in lipid metabolism. Moracin D augmented cytotoxicity and sub G1 population in PC3 and DU145 prostate cancer cells, while DU145 cells were more susceptible to Moracin D than PC3 cells. Moracin D attenuated the expression of caspase-3, poly (ADP-ribose) polymerase (PARP), B-cell lymphoma 2 (Bcl-2), and B-cell lymphoma-extra-large (Bcl-xL) in DU145 cells. Consistently, Moracin D significantly augmented the number of terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL)-positive cells in DU145 cells. Interestingly, Moracin D activated PPAR-γ and phospho-protein kinase C delta (p-PKC-δ) and inhibited phospho-protein kinase C alpha (p-PKC-α) in DU145 cells. Furthermore, STRING bioinformatic analysis reveals that PPAR-γ interacts with nuclear factor-κB (NF-κB) that binds to PKC-α/PKC-δ or protein kinase B (AKT) or extracellular signal-regulated kinase (ERK). Indeed, Moracin D decreased phosphorylation of NF-κB, ERK, and AKT in DU145 cells. Conversely, PPAR-γ inhibitor GW9662 reduced the apoptotic ability of Moracin D to activate caspase 3 and PARP in DU145 cells. Taken together, these findings provide a novel insight that activation of PPAR-γ/p-PKC-δ and inhibition of p-PKC-α are critically involved in Moracin D-induced apoptosis in DU145 prostate cancer cells.
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Affiliation(s)
- Jae Seok Yoon
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Hyo-Jung Lee
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Deok Yong Sim
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Eunji Im
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ji Eon Park
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Woon Yi Park
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ja Il Koo
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Bum Sang Shim
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Sung-Hoon Kim
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
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Ajoolabady A, Wang S, Kroemer G, Penninger JM, Uversky VN, Pratico D, Henninger N, Reiter RJ, Bruno A, Joshipura K, Aslkhodapasandhokmabad H, Klionsky DJ, Ren J. Targeting autophagy in ischemic stroke: From molecular mechanisms to clinical therapeutics. Pharmacol Ther 2021; 225:107848. [PMID: 33823204 PMCID: PMC8263472 DOI: 10.1016/j.pharmthera.2021.107848] [Citation(s) in RCA: 120] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/23/2021] [Accepted: 04/01/2021] [Indexed: 01/18/2023]
Abstract
Stroke constitutes the second leading cause of death and a major cause of disability worldwide. Stroke is normally classified as either ischemic or hemorrhagic stroke (HS) although 87% of cases belong to ischemic nature. Approximately 700,000 individuals suffer an ischemic stroke (IS) in the US each year. Recent evidence has denoted a rather pivotal role for defective macroautophagy/autophagy in the pathogenesis of IS. Cellular response to stroke includes autophagy as an adaptive mechanism that alleviates cellular stresses by removing long-lived or damaged organelles, protein aggregates, and surplus cellular components via the autophagosome-lysosomal degradation process. In this context, autophagy functions as an essential cellular process to maintain cellular homeostasis and organismal survival. However, unchecked or excessive induction of autophagy has been perceived to be detrimental and its contribution to neuronal cell death remains largely unknown. In this review, we will summarize the role of autophagy in IS, and discuss potential strategies, particularly, employment of natural compounds for IS treatment through manipulation of autophagy.
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Affiliation(s)
- Amir Ajoolabady
- University of Wyoming College of Health Sciences, Laramie, WY 82071, USA
| | - Shuyi Wang
- University of Wyoming College of Health Sciences, Laramie, WY 82071, USA; School of Medicine Shanghai University, Shanghai 200444, China
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France; Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France; Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France; Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China; Karolinska Institute, Department of Women's and Children's Health, Karolinska University Hospital, Stockholm, Sweden
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna Biocenter (VBC), Vienna, Austria; Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Vladimir N Uversky
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA; Institute for Biological Instrumentation of the Russian Academy of Sciences, Federal Research Center "Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences", Pushchino, Moscow region 142290, Russia
| | - Domenico Pratico
- Alzheimer's Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Nils Henninger
- Department of Neurology, University of Massachusetts, Worcester, Massachusetts, USA; Department of Psychiatry, University of Massachusetts, Worcester, Massachusetts, USA
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Askiel Bruno
- Department of Neurology, Medical College of Georgia, Augusta University, GA 30912, USA
| | - Kaumudi Joshipura
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; Center for Clinical Research and Health Promotion, University of Puerto Rico Medical Sciences Campus, San Juan, PR 00936-5067, Puerto Rico
| | | | - Daniel J Klionsky
- Life Sciences Institute and Departments of Molecular, Cellular and Developmental Biology and Biological Chemistry, University of Michigan, Ann Arbor 48109, USA.
| | - Jun Ren
- Department of Laboratory Medicine and Pathology, University of Washington Seattle, Seattle, WA 98195, USA; Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
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Mystery of methamphetamine-induced autophagosome accumulation in hippocampal neurons: loss of syntaxin 17 in defects of dynein-dynactin driving and autophagosome-late endosome/lysosome fusion. Arch Toxicol 2021; 95:3263-3284. [PMID: 34374793 DOI: 10.1007/s00204-021-03131-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 08/04/2021] [Indexed: 01/07/2023]
Abstract
Methamphetamine (METH), a psychoactive-stimulant facilitates massive accumulation of autophagosomes and causes autophagy-associated neuronal death. However, the underlying mechanisms involving METH-induced auto-phagosome accumulation remain poorly understood. In the current study, autophagic flux was tracked by mRFP-GFP-LC3 adenovirus, 900 μM METH treatment was found to significantly disrupt autophagic flux, which was further validated by remarkable increase of co-localized of LC3 and SQSTM1/p62, enhancement of LC3-II and SQSTM1/p62 protein levels, and massive autophagosome puncta aggregation. With the cycloheximide (CHX) treatment, METH treatment was displayed a significant inhibition of SQSTM1/p62 degradation. Therefore, the mRNAs associated with vesicle degradation were screened, and syntaxin 17 (Stx17) and dynein-dynactin mRNA levels significantly decreased, an effect was proved in protein level as well. Intriguingly, METH induced autophagosome accumulation and autophagic flux disturbance was incredibly retarded by overexpression of Stx17, which was validated by the restoration of the fusion autophagosome-late endosome/lysosome fusion. Moreover, Stx17 overexpression obviously impeded the METH-induced decrease of co-localization of the retrograded motor protein dynein/dynactin and autophagosome-late endosome, though the dynein/dynactin proteins were not involved in autophagosome-late endosome/lysosome fusion. Collectively, our findings unravel the mechanism of METH-induced autophagosome accumulation involving autophagosome-late endosome/lysosome fusion deficiency and that autophagy-enhancing mechanisms such as the overexpression of Stx17 may be therapeutic strategies for the treatment of METH-induced neuronal damage.
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26
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Fischer TF, Czerniak AS, Weiß T, Schoeder CT, Wolf P, Seitz O, Meiler J, Beck-Sickinger AG. Ligand-binding and -scavenging of the chemerin receptor GPR1. Cell Mol Life Sci 2021; 78:6265-6281. [PMID: 34241650 PMCID: PMC8429170 DOI: 10.1007/s00018-021-03894-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 06/09/2021] [Accepted: 06/28/2021] [Indexed: 12/11/2022]
Abstract
Tight regulation of cytokines is essential for the initiation and resolution of inflammation. Chemerin, a mediator of innate immunity, mainly acts on chemokine-like receptor 1 (CMKLR1) to induce the migration of macrophages and dendritic cells. The role of the second chemerin receptor, G protein-coupled receptor 1 (GPR1), is still unclear. Here we demonstrate that GPR1 shows ligand-induced arrestin3 recruitment and internalization. The chemerin C-terminus triggers this activation by folding into a loop structure, binding to aromatic residues in the extracellular loops of GPR1. While this overall binding mode is shared between GPR1 and CMKLR1, differences in their respective extracellular loop 2 allowed for the design of the first GPR1-selective peptide. However, our results suggest that ligand-induced arrestin recruitment is not the only mode of action of GPR1. This receptor also displays constitutive internalization, which allows GPR1 to internalize inactive peptides efficiently by an activation-independent pathway. Our results demonstrate that GPR1 takes a dual role in regulating chemerin activity: as a signaling receptor for arrestin-based signaling on one hand, and as a scavenging receptor with broader ligand specificity on the other.
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Affiliation(s)
- Tobias F Fischer
- Institute of Biochemistry, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Anne S Czerniak
- Institute of Biochemistry, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Tina Weiß
- Institute of Biochemistry, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Clara T Schoeder
- Center for Structural Biology, Department of Chemistry, Vanderbilt University, 465 21st Avenue South, Nashville, TN37212, USA
| | - Philipp Wolf
- Institute of Biochemistry, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt-Universität Zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Jens Meiler
- Center for Structural Biology, Department of Chemistry, Vanderbilt University, 465 21st Avenue South, Nashville, TN37212, USA
- Institute for Drug Discovery, Leipzig University Medical School, 04103, Leipzig, Germany
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27
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Soares J, Costa VM, Bastos MDL, Carvalho F, Capela JP. An updated review on synthetic cathinones. Arch Toxicol 2021; 95:2895-2940. [PMID: 34100120 DOI: 10.1007/s00204-021-03083-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/17/2021] [Indexed: 02/06/2023]
Abstract
Cathinone, the main psychoactive compound found in the plant Catha edulis Forsk. (khat), is a β-keto analogue of amphetamine, sharing not only the phenethylamine structure, but also the amphetamine-like stimulant effects. Synthetic cathinones are derivatives of the naturally occurring cathinone that largely entered the recreational drug market at the end of 2000s. The former "legal status", impressive marketing strategies and their commercial availability, either in the so-called "smartshops" or via the Internet, prompted their large spread, contributing to their increasing popularity in the following years. As their popularity increased, the risks posed for public health became clear, with several reports of intoxications and deaths involving these substances appearing both in the social media and scientific literature. The regulatory measures introduced thereafter to halt these trending drugs of abuse have proved to be of low impact, as a continuous emergence of new non-controlled derivatives keep appearing to replace those prohibited. Users resort to synthetic cathinones due to their psychostimulant properties but are often unaware of the dangers they may incur when using these substances. Therefore, studies aimed at unveiling the pharmacological and toxicological properties of these substances are imperative, as they will provide increased expertise to the clinicians that face this problem on a daily basis. The present work provides a comprehensive review on history and legal status, chemistry, pharmacokinetics, pharmacodynamics, adverse effects and lethality in humans, as well as on the current knowledge of the neurotoxic mechanisms of synthetic cathinones.
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Affiliation(s)
- Jorge Soares
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal.
| | - Vera Marisa Costa
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Maria de Lourdes Bastos
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Félix Carvalho
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - João Paulo Capela
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal.
- FP-ENAS (Fernando Pessoa Energy, Environment and Health Research Unit), CEBIMED (Biomedical Research Centre), Faculty of Health Sciences, University of Fernando Pessoa, Porto, Portugal.
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28
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The Mechanism of Drug Nephrotoxicity and the Methods for Preventing Kidney Damage. Int J Mol Sci 2021; 22:ijms22116109. [PMID: 34204029 PMCID: PMC8201165 DOI: 10.3390/ijms22116109] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/03/2021] [Accepted: 06/05/2021] [Indexed: 12/11/2022] Open
Abstract
Acute kidney injury (AKI) is a global health challenge of vast proportions, as approx. 13.3% of people worldwide are affected annually. The pathophysiology of AKI is very complex, but its main causes are sepsis, ischemia, and nephrotoxicity. Nephrotoxicity is mainly associated with the use of drugs. Drug-induced AKI accounts for 19-26% of all hospitalized cases. Drug-induced nephrotoxicity develops according to one of the three mechanisms: (1) proximal tubular injury and acute tubular necrosis (ATN) (a dose-dependent mechanism), where the cause is related to apical contact with drugs or their metabolites, the transport of drugs and their metabolites from the apical surface, and the secretion of drugs from the basolateral surface into the tubular lumen; (2) tubular obstruction by crystals or casts containing drugs and their metabolites (a dose-dependent mechanism); (3) interstitial nephritis induced by drugs and their metabolites (a dose-independent mechanism). In this article, the mechanisms of the individual types of injury will be described. Specific groups of drugs will be linked to specific injuries. Additionally, the risk factors for the development of AKI and the methods for preventing and/or treating the condition will be discussed.
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Yi L, Ai K, Li H, Qiu S, Li Y, Wang Y, Li X, Zheng P, Chen J, Wu D, Xiang X, Chai X, Yuan Y, Zhang D. CircRNA_30032 promotes renal fibrosis in UUO model mice via miRNA-96-5p/HBEGF/KRAS axis. Aging (Albany NY) 2021; 13:12780-12799. [PMID: 33973871 PMCID: PMC8148471 DOI: 10.18632/aging.202947] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023]
Abstract
In this study, we investigated the role of circular RNA_30032 (circRNA_30032) in renal fibrosis and the underlying mechanisms. The study was carried out using TGF-β1-induced BUMPT cells and unilateral ureteral obstruction (UUO)-induced mice, respectively, as in vitro and in vivo models. CircRNA_30032 expression was significantly increased by 9.15- and 16.6-fold on days 3 and 7, respectively, in the renal tissues of UUO model mice. In TGF-β1-treated BUMPT cells, circRNA_30032 expression was induced by activation of the p38 mitogen-activated protein kinase signaling pathway. Quantitative real-time PCR, western blotting and dual luciferase reporter assays showed that circRNA_30032 mediated TGF-β1-induced and UUO-induced renal fibrosis by sponging miR-96-5p and increasing the expression of profibrotic proteins, including HBEGF, KRAS, collagen I, collagen III and fibronectin. CircRNA_30032 silencing significantly reduced renal fibrosis in UUO model mice by increasing miR-96-5p levels and decreasing levels of HBEGF and KRAS. These results demonstrate that circRNA_30032 promotes renal fibrosis via the miR-96-5p/HBEGF/KRAS axis and suggest that circRNA_30032 is a potential therapeutic target for treatment of renal fibrosis.
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Affiliation(s)
- Lei Yi
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Kai Ai
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Huiling Li
- Department of Ophthalmology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Shuangfa Qiu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yijian Li
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yinhuai Wang
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Peilin Zheng
- Department of Endocrinology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, People's Republic of China.,Department of Cellular Biology and Anatomy, Medical College of Georgia at Georgia Regents University and Charlie Norwood VA Medical Center, Augusta, GA 30904, USA
| | - Junxiang Chen
- Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Dengke Wu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xudong Xiang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiangping Chai
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yunchang Yuan
- Department of Chest Surgery, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.,Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
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Deng F, Zheng X, Sharma I, Dai Y, Wang Y, Kanwar YS. Regulated cell death in cisplatin-induced AKI: relevance of myo-inositol metabolism. Am J Physiol Renal Physiol 2021; 320:F578-F595. [PMID: 33615890 PMCID: PMC8083971 DOI: 10.1152/ajprenal.00016.2021] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 12/14/2022] Open
Abstract
Regulated cell death (RCD), distinct from accidental cell death, refers to a process of well-controlled programmed cell death with well-defined pathological mechanisms. In the past few decades, various terms for RCDs were coined, and some of them have been implicated in the pathogenesis of various types of acute kidney injury (AKI). Cisplatin is widely used as a chemotherapeutic drug for a broad spectrum of cancers, but its usage was hampered because of being highly nephrotoxic. Cisplatin-induced AKI is commonly seen clinically, and it also serves as a well-established prototypic model for laboratory investigations relevant to acute nephropathy affecting especially the tubular compartment. Literature reports over a period of three decades have indicated that there are multiple types of RCDs, including apoptosis, necroptosis, pyroptosis, ferroptosis, and mitochondrial permeability transition-mediated necrosis, and some of them are pertinent to the pathogenesis of cisplatin-induced AKI. Interestingly, myo-inositol metabolism, a vital biological process that is largely restricted to the kidney, seems to be relevant to the pathogenesis of certain forms of RCDs. A comprehensive understanding of RCDs in cisplatin-induced AKI and their relevance to myo-inositol homeostasis may yield novel therapeutic targets for the amelioration of cisplatin-related nephropathy.
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Affiliation(s)
- Fei Deng
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
| | - Xiaoping Zheng
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Isha Sharma
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
| | - Yingbo Dai
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Urology, The Fifth Affiliated Hospital of Sun Yet-Sen University, Zhuhai, China
| | - Yinhuai Wang
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yashpal S Kanwar
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
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Sun T, Liu Q, Wang Y, Deng Y, Zhang D. MBD2 mediates renal cell apoptosis via activation of Tox4 during rhabdomyolysis-induced acute kidney injury. J Cell Mol Med 2021; 25:4562-4571. [PMID: 33764669 PMCID: PMC8107094 DOI: 10.1111/jcmm.16207] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 12/18/2022] Open
Abstract
Our study investigated the role of Methyl‐CpG–binding domain protein 2 (MBD2) in RM‐induced acute kidney injury (AKI) both in vitro and in vivo. MBD2 was induced by myoglobin in BUMPT cells and by glycerol in mice. MBD2 inhibition via MBD2 small interfering RNA and MBD2‐knockout (KO) attenuated RM‐induced AKI and renal cell apoptosis. The expression of TOX high mobility group box family member 4 (Tox4) induced by myoglobin was markedly reduced in MBD2‐KO mice. Chromatin immunoprecipitation analysis indicated that MBD2 directly bound to CpG islands in the Tox4 promoter region, thus preventing promoter methylation. Furthermore, siRNA inhibition of Tox4 attenuated myoglobin‐induced apoptosis in BUMPT cells. Finally, MBD2‐KO mice exhibited glycerol‐induced renal cell apoptosis by inactivation of Tox4. Altogether, our results suggested that MBD2 plays a role in RM‐induced AKI via the activation of Tox4 and represents a potential target for treatment of RM‐associated AKI.
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Affiliation(s)
- Tianshi Sun
- Department of Spine Surgery, The Third Xiangya Hospital of Central South University, Changsha, China.,Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital of Central South University, Changsha, China
| | - Qing Liu
- Department of Spine Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yifan Wang
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital of Central South University, Changsha, China
| | - Youwen Deng
- Department of Spine Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital of Central South University, Changsha, China.,Department of Nephrology, Second Xiangya Hospital of Central South University, Changsha, China
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Extracellular α-Synuclein Modulates Iron Metabolism Related Proteins via Endoplasmic Reticulum Stress in MES23.5 Dopaminergic Cells. Neurochem Res 2021; 46:1502-1513. [PMID: 33704649 DOI: 10.1007/s11064-021-03292-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/21/2021] [Accepted: 02/26/2021] [Indexed: 02/07/2023]
Abstract
Alpha-synuclein plays a vital role in the pathology of Parkinson's disease (PD). Spreading of α-synuclein in neighboring cells was believed to contribute to progression in PD. How α-synuclein transmission affects adjacent cells is not full elucidated. Here, we used recombinant α-synuclein to mimic intercellular transmitted α-synuclein in MES23.5 dopaminergic cells, to investigate whether and how it could modulate iron metabolism. The results showed that α-synuclein treatment up-regulated divalent metal transporter 1 (DMT1) and down-regulated iron transporter (FPN), also up-regulated iron regulatory protein 1 (IRP1) protein levels and hepcidin mRNA levels. Endocytosis inhibitor dynasore pretreatment completely abolished and even reversed the upregulation of DMT1 and IRP1 induced by α-synuclein, however, FPN down-regulation was partially blocked by dynasore. Autophagy-inducing agent rapamycin reversed DMT1 up-regulation and FPN down-regulation, and fully blocked the upregulation of IRP1. Elevated hepcidin levels induced by α-synuclein was fully blocked by dynasore pretreatment, however, even higher with rapamycin pretreatment. Alpha-synuclein treatment triggered endoplasmic reticulum (ER) stress. ER stress inducer thapsigargin induced similar responses elicited by α-synuclein. ER stress inhibitor salubrinal blocked the up-regulation of IRP1 and hepcidin, as well as DMT1 up-regulation and FPN down-regulation, also dramatically abolished cAMP-response elements binding protein phosphorylation induced by α-synuclein. Taken together, these finding indicated that extracellular α-synuclein could regulate cellular iron metabolism, probably mediated by ER stress. It provides novel evidence to elucidate the relationships between transmitted α-synuclein and iron metabolism disturbance in PD.
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Zhen Q, Zhang Y, Gao L, Wang R, Chu W, Zhao X, Li Z, Li H, Zhang B, Lv B, Liu J. EPAS1 promotes peritoneal carcinomatosis of non-small-cell lung cancer by enhancing mesothelial-mesenchymal transition. Strahlenther Onkol 2021; 197:141-149. [PMID: 32681351 DOI: 10.1007/s00066-020-01665-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 06/29/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Non-small-cell lung cancer (NSCLC) is a major cause of cancer-related death globally. Endothelial PAS domain-containing protein 1 (EPAS1) is a homolog of the hypoxia-inducible factor 1α and has been reported to confer tyrosine kinase inhibitor (TKI) resistance in NSCLC, but its role in peritoneal carcinomatosis of NSCLC is unknown. METHODS PC14HM, a high metastatic potential subline of NSCLC cell line PC14, was derived. Stable shRNA knockdown of EPAS1 was then established in PC14HM cells and subjected to assessment regarding the effects on proliferation and viability, xenograft tumor growth, metastatic potential, mesothelial-mesenchymal transition (MMT)-related characteristics and peritoneal carcinomatosis in a mouse model. RESULTS EPAS1 expression was elevated in PC14HM cells. Knockdown of EPAS1 inhibited the proliferation and viability of PC14HM cells in vitro and suppressed tumorigenesis in vivo. In addition, the metastatic features and in vitro productions of MMT-inducing factors in PC14HM cells was also associated with EPAS1. More importantly, knockdown of EPAS1 drastically suppressed peritoneal carcinomatosis of PC14HM cells in vivo. CONCLUSION EPAS1 promotes peritoneal carcinomatosis of NSCLC through enhancement of MMT and could therefore serve as a prognostic marker or a therapeutic target in treating NSCLC, particularly in patients with peritoneal carcinomatosis.
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Affiliation(s)
- Qiang Zhen
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Yaxiao Zhang
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China.
| | - Lina Gao
- Central Supply Room, Hebei General Hospital, No. 348 Heping West Road, 050051, Shijiazhuang, Hebei, China
| | - Renfeng Wang
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Weiwei Chu
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Xiaojian Zhao
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Zhe Li
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Huixian Li
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Bing Zhang
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Baolei Lv
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
| | - Jiabao Liu
- Department of Thoracic Surgery, Shijiazhuang No. 1 Hospital, 36 Fanxi Road, 050011, Shijiazhuang, Hebei, China
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MBD2 Mediates Septic AKI through Activation of PKCη/p38MAPK and the ERK1/2 Axis. MOLECULAR THERAPY-NUCLEIC ACIDS 2020; 23:76-88. [PMID: 33335794 PMCID: PMC7723772 DOI: 10.1016/j.omtn.2020.09.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 09/23/2020] [Indexed: 12/15/2022]
Abstract
Our previous study demonstrated that the methyl-CpG-binding domain protein 2 (MBD2) mediates vancomycin (VAN)-induced acute kidney injury (AKI). However, the role and regulation of MBD2 in septic AKI are unknown. Herein, MBD2 was induced by lipopolysaccharide (LPS) in Boston University mouse proximal tubules (BUMPTs) and mice. For both in vitro and in vivo experiments, we showed that inhibition of MBD2 by MBD2 small interfering RNA (siRNA) and MBD2-knockout (KO) substantially improved the survival rate and attenuated both LPS and cecal ligation and puncture (CLP)-induced AKI, renal cell apoptosis, and inflammatory factor production. Global genetic expression analyses and in vitro experiments suggest that the expression of protein kinase C eta (PKCη), caused by LPS, is markedly suppressed in MBD2-KO mice and MBD2 siRNA, respectively. Mechanistically, chromatin immunoprecipitation (ChIP) analysis indicates that MBD2 directly binds to promoter region CpG islands of PKCη via suppression of promoter methylation. Furthermore, PKCη siRNA improves the survival rate and attenuates LPS-induced BUMPT cell apoptosis and inflammatory factor production via inactivation of p38 mitogen-activated protein kinase (MAPK) and extracellular signal-regulated kinase (ERK)1/2, which were further verified by PKCη siRNA treatment in CLP-induced AKI. Finally, MBD2-KO mice exhibited CLP-induced renal cell apoptosis and inflammatory factor production by inactivation of PKCη/p38MAPK and ERK1/2 signaling. Taken together, the data indicate that MBD2 mediates septic-induced AKI through the activation of PKCη/p38MAPK and the ERK1/2 axis. MBD2 represents a potential target for treatment of septic AKI.
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Pais GM, Liu J, Zepcan S, Avedissian SN, Rhodes NJ, Downes KJ, Moorthy GS, Scheetz MH. Vancomycin-Induced Kidney Injury: Animal Models of Toxicodynamics, Mechanisms of Injury, Human Translation, and Potential Strategies for Prevention. Pharmacotherapy 2020; 40:438-454. [PMID: 32239518 PMCID: PMC7331087 DOI: 10.1002/phar.2388] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 02/21/2020] [Accepted: 03/02/2020] [Indexed: 12/13/2022]
Abstract
Vancomycin is a recommended therapy in multiple national guidelines. Despite the common use, there is a poor understanding of the mechanistic drivers and potential modifiers of vancomycin-mediated kidney injury. In this review, historic and contemporary rates of vancomycin-induced kidney injury (VIKI) are described, and toxicodynamic models and mechanisms of toxicity from preclinical studies are reviewed. Aside from known clinical covariates that worsen VIKI, preclinical models have demonstrated that various factors impact VIKI, including dose, route of administration, and thresholds for pharmacokinetic parameters. The degree of acute kidney injury (AKI) is greatest with the intravenous route and higher doses that produce larger maximal concentrations and areas under the concentration curve. Troughs (i.e., minimum concentrations) have less of an impact. Mechanistically, preclinical studies have identified that VIKI is a result of drug accumulation in proximal tubule cells, which triggers cellular oxidative stress and apoptosis. Yet, there are several gaps in the knowledge that may represent viable targets to make vancomycin therapy less toxic. Potential strategies include prolonging infusions and lowering maximal concentrations, administration of antioxidants, administering agents that decrease cellular accumulation, and reformulating vancomycin to alter the renal clearance mechanism. Based on preclinical models and mechanisms of toxicity, we propose potential strategies to lessen VIKI.
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Affiliation(s)
- Gwendolyn M. Pais
- Department of Pharmacy Practice, Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois
- Pharmacometrics Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, Illinois
| | - Jiajun Liu
- Department of Pharmacy Practice, Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois
- Pharmacometrics Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, Illinois
| | - Sanja Zepcan
- Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois
| | - Sean N. Avedissian
- Antiviral Pharmacology Laboratory, University of Nebraska Medical Center (UNMC) Center for Drug Discovery, UNMC, Omaha, Nebraska
- College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska
| | - Nathaniel J. Rhodes
- Department of Pharmacy Practice, Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois
- Pharmacometrics Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, Illinois
| | - Kevin J. Downes
- Division of Infectious Diseases, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
- Department of Pediatrics, The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Ganesh S. Moorthy
- Division of Critical Care, Department of Anesthesiology and Critical Care, The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Marc H. Scheetz
- Department of Pharmacy Practice, Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois
- Pharmacometrics Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, Illinois
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Zhu L, Yuan Y, Yuan L, Li L, Liu F, Liu J, Chen Y, Lu Y, Cheng J. Activation of TFEB-mediated autophagy by trehalose attenuates mitochondrial dysfunction in cisplatin-induced acute kidney injury. Am J Cancer Res 2020; 10:5829-5844. [PMID: 32483422 PMCID: PMC7255003 DOI: 10.7150/thno.44051] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/13/2020] [Indexed: 02/05/2023] Open
Abstract
Aims: Cisplatin, an anticancer drug, always leads to nephrotoxicity by causing mitochondrial dysfunction. As a major mechanism for cellular self-degradation, autophagy has been proven to protect against cisplatin-induced acute kidney injury (AKI). Based on the activation of autophagy induced by trehalose, we aimed to investigate the nephroprotective effects of trehalose on cisplatin-induced AKI and its underlying mechanisms. Results: Due to the activation of autophagy, mitochondrial dysfunction (mitochondrial fragmentation, depolarization, reactive oxygen species (ROS), and reduced ATP generation) and apoptosis induced by cisplatin were markedly inhibited in trehalose-treated HK2 cells in vitro. Based on the transcriptional regulation role of transcription factor EB (TFEB) in autophagy and lysosome, we characterized trehalose-induced nuclear translocation of TFEB. Furthermore, consistent with trehalose treatment, overexpression of TFEB inhibited cell injury induced by cisplatin. However, the protective effects of trehalose were largely abrogated in tfeb-knockdown cells. In vivo, cisplatin injection resulted in severe kidney dysfunction and histological damage in mice. Trehalose administration activated TFEB-mediated autophagy, alleviated mitochondrial dysfunction and kidney injury in AKI mice. Innovation and conclusion: Our data suggest that trehalose treatment preserves mitochondria function via activation of TFEB-mediated autophagy and attenuates cisplatin-induced kidney injury.
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Liu Y, Xiao J, Sun J, Chen W, Wang S, Fu R, Liu H, Bao H. ATG7 promotes autophagy in sepsis‑induced acute kidney injury and is inhibited by miR‑526b. Mol Med Rep 2020; 21:2193-2201. [PMID: 32323768 PMCID: PMC7115197 DOI: 10.3892/mmr.2020.11001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 01/14/2020] [Indexed: 12/14/2022] Open
Abstract
Sepsis is considered to be the most common contributing factor in the development of acute kidney injury (AKI). However, the mechanisms by which sepsis leads to AKI remain unclear. Autophagy is important for a number of fundamental biological activities and plays a key role in numerous different diseases. The present study demonstrated that autophagy is involved in sepsis-induced kidney injury and upregulates ATG7, LC3 and Beclin I. In addition, it was revealed that miR-526b is decreased in sepsis-induced kidney injury, and miR-526b was identified as a direct regulator of ATG7. Furthermore, the present study investigated the biological effects of ATG7 inhibited by miR-526b and demonstrated that miR-526b could promote cell viability by inhibiting autophagy, potentially through targeting ATG7. In conclusion, the present study highlights the role of autophagy in sepsis-induced AKI, and miR-526b in regulating autophagy through targeting ATG7, which suggested that miR-526b may be a molecular therapeutic target for sepsis-induced AKI.
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Affiliation(s)
- Ying Liu
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Jilai Xiao
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Jiakui Sun
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Wenxiu Chen
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Shu Wang
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Run Fu
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Han Liu
- Department of Critical Care Medicine, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Hongguang Bao
- Department of Anesthesiology, The Affiliated Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
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Zhang P, Yi L, Qu S, Dai J, Li X, Liu B, Li H, Ai K, Zheng P, Qiu S, Li Y, Wang Y, Xiang X, Chai X, Dong Z, Zhang D. The Biomarker TCONS_00016233 Drives Septic AKI by Targeting the miR-22-3p/AIFM1 Signaling Axis. MOLECULAR THERAPY-NUCLEIC ACIDS 2020; 19:1027-1042. [PMID: 32059335 PMCID: PMC7016165 DOI: 10.1016/j.omtn.2019.12.037] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/26/2019] [Accepted: 12/05/2019] [Indexed: 02/07/2023]
Abstract
The prediction of mortality for septic acute kidney injury (AKI) has been assessed by a number of potential biomarkers, including long noncoding RNAs (lncRNAs). However, the validation of lncRNAs as biomarkers, particularly for the early stages of septic AKI, is still warranted. Our results indicate that the lncRNA TCONS_00016233 is upregulated in plasma of sepsis-associated non-AKI and AKI patients, but a higher cutoff threshold (9.5 × 105, copy number) provided a sensitivity of 71.9% and specificity of 89.6% for the detection of AKI. The plasma TCONS_00016233 was highly correlated with serum creatinine, tissue inhibitor metalloproteinase-2 (TIMP-2), insulin-like growth factor binding protein-7 (IGFBP7), interleukin-1β (IL-1β), tumor necrosis factor α (TNF-α), C-reactive protein (CRP), and urinary TCONS_00016233. Lipopolysaccharide (LPS) induced the expression of lncRNA TCONS_00016233 via the Toll-like receptor 4 (TLR4)/p38 mitogen-activated protein kinase (MAPK) signal pathway in human renal tubular epithelial (HK-2) cells. Furthermore, TCONS_00016233 mediates the LPS-induced HK-2 cell apoptosis and the expression of IL-1β and TNF-α. Mechanistically, TCONS_00016233 acts as a competing endogenous RNA (ceRNA) to prevent microRNA (miR)-22-3p-mediated downregulation of the apoptosis-inducing factor mitochondrion-associated 1 (AIFM1). Finally, overexpression of TCONS_00016233 is capable of aggravating the LPS- and cecal ligation and puncture (CLP)-induced septic AKI by targeting the miR-22-3p/AIFM1 axis. Taken together, our data indicate that TCONS_00016233 may serve as an early diagnosis marker for the septic AKI, possibly acting as a novel therapeutic target for septic AKI.
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Affiliation(s)
- Pan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Lei Yi
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Siyuan Qu
- Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Jinzhong Dai
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Bohao Liu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Huiling Li
- Department of Ophthalmology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Kai Ai
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Peilin Zheng
- Department of Endocrinology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Shuangfa Qiu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yijian Li
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yinhuai Wang
- Department of Urology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xudong Xiang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiangping Chai
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Zheng Dong
- Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Department of Cellular Biology and Anatomy, Medical College of Georgia at Georgia Regents University and Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China; Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.
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Yang Q, Ren GL, Wei B, Jin J, Huang XR, Shao W, Li J, Meng XM, Lan HY. Conditional knockout of TGF-βRII /Smad2 signals protects against acute renal injury by alleviating cell necroptosis, apoptosis and inflammation. Am J Cancer Res 2019; 9:8277-8293. [PMID: 31754396 PMCID: PMC6857044 DOI: 10.7150/thno.35686] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 09/15/2019] [Indexed: 01/05/2023] Open
Abstract
Rationale: TGF-β/Smad signaling is the central mediator for renal fibrosis, however, its functional role in acute kidney injury (AKI) is not fully understood. We previously showed Smad2 protects against renal fibrosis by limiting Smad3 signaling, but details on its role in acute phase are unclear. Recent evidence showed that TGF-β/Smad3 may be involved in the pathogenesis of AKI, so we hypothesized that Smad2 may play certain roles in AKI due to its potential effect on programmed cell death. Methods: We established a cisplatin-induced AKI mouse model with TGF-β type II receptor or Smad2 specifically deleted from renal tubular epithelial cells (TECs). We also created stable in vitro models with either Smad2 knockdown or overexpression in human HK2 cells. Importantly, we evaluated whether Smad2 could serve as a therapeutic target in both cisplatin- and ischemic/reperfusion (I/R)-induced AKI mouse models by silencing Smad2 in vivo. Results: Results show that disruption of TGF-β type II receptor suppressed Smad2/3 activation and attenuated renal injury in cisplatin nephropathy. Furthermore, we found that conditional knockout of downstream Smad2 in TECs protected against loss of renal function, and alleviated p53-mediated cell apoptosis, RIPK-mediated necroptosis and p65 NF-κB-driven renal inflammation in cisplatin nephropathy. This was further confirmed in cisplatin-treated Smad2 knockdown and overexpression HK2 cells. Additionally, lentivirus-mediated Smad2 knockdown protected against renal injury and inflammation while restoring renal function in established nephrotoxic and ischemic AKI models. Conclusions: These findings show that unlike its protective role in renal fibrosis, Smad2 promoted AKI by inducing programmed cell death and inflammation. This may offer a novel therapeutic target for acute kidney injury.
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Xu L, Li X, Zhang F, Wu L, Dong Z, Zhang D. EGFR drives the progression of AKI to CKD through HIPK2 overexpression. Theranostics 2019; 9:2712-2726. [PMID: 31131063 PMCID: PMC6526000 DOI: 10.7150/thno.31424] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 02/25/2019] [Indexed: 12/30/2022] Open
Abstract
The molecular mechanism underlying the transition of acute kidney injury (AKI) to chronic kidney disease (CKD) induced by vancomycin (VAN) remains largely unknown. Methods: The mice model of VAN drives AKI to CKD was developed to investigate the role and molecular mechanism of epidermal growth factor receptor (EGFR). The EGF receptor mutant (Wa-2) mice and gefitinib were used to inactivation of EGFR. The homeodomain interacting protein kinase 2 (HIPK2) siRNA was applied to silence of HIPK2. Human proximal tubular epithelial cells (HK-2) were used to explore the molecular regulation methanism of EGFR. ChIp analysis was used to investigate if STAT3 interaction with the promoter of HIPK2. Results: A novel VAN-induced AKI mouse model was established for the first time. Moreover, the expression levels collagen I&IV, α-SMA, p-EGFR and the expression of HIPK2 proteins were upregulated in this model. Interestingly, AKI caused by VAN was markedly attenuated in waved-2 mice at the early stage, as evidenced by the suppression of renal dysfunction, renal cell apoptosis and caspase3 activation. In the latter stage, renal fibrosis and inflammation were significantly ameliorated in Wa-2 mice, accompanied by the downregulation of profibrotic molecules and F4/80. Besides, the expression levels of HIPK2 and p-STAT3 were suppressed in Wa-2 mice during VAN-induced transition of AKI to CKD. In addition, renal fibrosis and inflammation, profibrotic molecules, and EGFR/STAT3/HIPK2 signaling were ameliorated by gefitinib treatment after VAN-induced AKI. These results were consistent with the findings of Wa-2 mice. EGFR/STAT3 signaling mediated VAN-induced HIPK2 expression in HK-2 cells. ChIp analysis revealed that STAT3 directly bound to the promoter region of HIPK2. Finally, inhibition of HIPK2 attenuated the VAN drove the progression of AKI to CKD. Conclusion: These data suggest that EGFR plays an important role in VAN-driven progression of AKI to CKD.
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MESH Headings
- Actins/genetics
- Actins/metabolism
- Acute Kidney Injury/chemically induced
- Acute Kidney Injury/complications
- Acute Kidney Injury/genetics
- Acute Kidney Injury/metabolism
- Animals
- Calcium-Binding Proteins/genetics
- Calcium-Binding Proteins/metabolism
- Caspase 3/genetics
- Caspase 3/metabolism
- Cell Line
- Collagen Type I/genetics
- Collagen Type I/metabolism
- Collagen Type IV/genetics
- Collagen Type IV/metabolism
- Epithelial Cells/cytology
- Epithelial Cells/drug effects
- Epithelial Cells/metabolism
- ErbB Receptors/antagonists & inhibitors
- ErbB Receptors/genetics
- ErbB Receptors/metabolism
- Gefitinib/pharmacology
- Gene Expression Regulation
- Humans
- Kidney/drug effects
- Kidney/metabolism
- Kidney/pathology
- Male
- Mice
- Mice, Inbred C57BL
- Mutation
- Promoter Regions, Genetic
- Protein Binding
- Protein Kinase Inhibitors/pharmacology
- Protein Serine-Threonine Kinases/antagonists & inhibitors
- Protein Serine-Threonine Kinases/genetics
- Protein Serine-Threonine Kinases/metabolism
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Receptors, G-Protein-Coupled/genetics
- Receptors, G-Protein-Coupled/metabolism
- Renal Insufficiency, Chronic/chemically induced
- Renal Insufficiency, Chronic/etiology
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/metabolism
- STAT3 Transcription Factor/genetics
- STAT3 Transcription Factor/metabolism
- Signal Transduction
- Vancomycin/administration & dosage
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Affiliation(s)
- Luyang Xu
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, People's Republic of China
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China, People's Republic of China
| | - Xiaozhou Li
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, People's Republic of China
| | - Fei Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, People's Republic of China
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China, People's Republic of China
| | - Lidong Wu
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China, People's Republic of China
| | - Zheng Dong
- Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Department of cellular Biology and anatomy, Medical college of Georgia at Georgia Regents University and Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, People's Republic of China
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