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Lee K, Gusella GL, He JC. Epithelial proliferation and cell cycle dysregulation in kidney injury and disease. Kidney Int 2021; 100:67-78. [PMID: 33831367 PMCID: PMC8855879 DOI: 10.1016/j.kint.2021.03.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 02/08/2023]
Abstract
Various cellular insults and injury to renal epithelial cells stimulate repair mechanisms to adapt and restore the organ homeostasis. Renal tubular epithelial cells are endowed with regenerative capacity, which allows for a restoration of nephron function after acute kidney injury. However, recent evidence indicates that the repair is often incomplete, leading to maladaptive responses that promote the progression to chronic kidney disease. The dysregulated cell cycle and proliferation is also a key feature of renal tubular epithelial cells in polycystic kidney disease and HIV-associated nephropathy. Therefore, in this review, we provide an overview of cell cycle regulation and the consequences of dysregulated cell proliferation in acute kidney injury, polycystic kidney disease, and HIV-associated nephropathy. An increased understanding of these processes may help define better targets for kidney repair and combat chronic kidney disease progression.
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Affiliation(s)
- Kyung Lee
- Department of Medicine, Nephrology Division, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
| | - G Luca Gusella
- Department of Medicine, Nephrology Division, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John Cijiang He
- Department of Medicine, Nephrology Division, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Renal Program, James J. Peters Veterans Affairs Medical Center, Bronx, New York, USA.
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Sarkar D, Chandra AK, Chattopadyay S, Biswas M, Das S, Singh LH, Ray I. Possible mechanism of bamboo shoots ( Bambusa balcooa) induced thyroid disruption - An in vitro study. Hum Exp Toxicol 2021; 40:483-496. [PMID: 32909866 DOI: 10.1177/0960327120958037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Endemic goitre and associated iodine deficiency disorders (IDDs) are a major concern in public health even in the period of post salt iodization in many regions. Among others the consumption of cyanogenic plants found responsible for the persistence of such diseases. Bamboo shoots (BS) is one such cyanogenic plant food that caused disruption of certain thyroid hormone synthesizing regulatory element as has already been reported in our earlier study. In this investigation the possible mechanism of thyrocytes disruption along with interruption of thyroid hormone biosynthesis by BS has been worked out. Commonly consumed BS, Bambusa Balcooa Roxb (BBR) water extract was analysed by GC MS; three doses below IC50 were administered to thyrocytes in culture with and without iodine. Expressions of thyroglobulin (Tg), pendrin (PDS) and monocarboxylate transporter 8 (MCT8) were evaluated in thyrocytes with cell cycle analysis, reactive oxygen species (ROS) generation, DNA oxidation and apoptotic regulation through Bax, Bcl-2 and p53. Phytochemical analysis of BBR extract revealed the presence of precursors and metabolic end products of cyanogenic glycosides. Dose dependent decrease in expression of Tg and PDS with concomitant decrease in gene expression of these with MCT8 were observed. Increased ROS, DNA oxidation and associated imbalance were found through increased Bax and p53 with decreased Bcl-2 that perturbed thyrocytes cell cycle. Cyanogenic constituents of BBR generates ROS associated oxidative changes in thyrocytes with DNA damage and oxidation and cell cycle disruption followed by inhibition of thyroid hormone synthesizing regulatory elements; addition of extra iodine showed partial prevention.
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Affiliation(s)
- D Sarkar
- Department of Physiology, 30163University of Calcutta, Kolkata, West Bengal, India
| | - A K Chandra
- Department of Physiology, 30163University of Calcutta, Kolkata, West Bengal, India
| | - S Chattopadyay
- Department of Physiology, 30163University of Calcutta, Kolkata, West Bengal, India
| | - M Biswas
- Department of Botany, 30163University of Calcutta, Kolkata, West Bengal, India
| | - S Das
- Department of Botany, 30163University of Calcutta, Kolkata, West Bengal, India
| | - L H Singh
- Department of Zoology, 179227DM College of Science (Govt. of Manipur), Imphal West, Manipur, India
| | - I Ray
- Department of Human Physiology, Ramkrishna Mahavidyalaya (Govt. of Tripura), Unakoti, Tripura, India
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Iwakura T, Zhao Z, Marschner JA, Devarapu SK, Yasuda H, Anders HJ. Dipeptidyl peptidase-4 inhibitor teneligliptin accelerates recovery from cisplatin-induced acute kidney injury by attenuating inflammation and promoting tubular regeneration. Nephrol Dial Transplant 2020; 34:1669-1680. [PMID: 30624740 DOI: 10.1093/ndt/gfy397] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 11/29/2018] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Cisplatin is an effective chemotherapeutic agent. However, acute kidney injury (AKI) and subsequent kidney function decline limits its use. Dipeptidyl peptidase-4 (DPP-4) inhibitor has been reported to attenuate kidney injury in some in vivo models, but the mechanisms-of-action in tubule recovery upon AKI remain speculative. We hypothesized that DPP-4 inhibitor teneligliptin (TG) can facilitate kidney recovery after cisplatin-induced AKI. METHODS In in vivo experiment, AKI was induced in rats by injecting 5 mg/kg of cisplatin intravenously. Oral administration of 10 mg/kg of TG, once a day, was started just before injecting cisplatin or from Day 5 after cisplatin injection. In an in vitro experiment, proliferation of isolated murine tubular cells was evaluated with 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay, cell cycle analysis and cell counting. Cell viability was analysed by MTT assay or lactate dehydrogenase (LDH) assay. RESULTS In in vivo experiments, we found that TG attenuates cisplatin-induced AKI and accelerates kidney recovery after the injury by promoting the proliferation of surviving epithelial cells of the proximal tubule. TG also suppressed intrarenal tumour necrosis factor-α expression, and induced macrophage polarization towards the anti-inflammatory M2 phenotype, both indirectly endorsing tubule recovery upon cisplatin injury. In in vitro experiments, TG directly accelerated the proliferation of primary tubular epithelial cells. Systematic screening of the DPP-4 substrate chemokines in vitro identified CXC chemokine ligand (CXCL)-12 as a promoted mitogenic factor. CXCL12 not only accelerated proliferation but also inhibited cell death of primary tubular epithelial cells after cisplatin exposure. CXC chemokine receptor (CXCR)-4 antagonism abolished the proliferative effect of TG. CONCLUSIONS The DPP-4 inhibitor TG can accelerate tubule regeneration and functional recovery from toxic AKI via an anti-inflammatory effect and probably via inhibition of CXCL12 breakdown. Hence, DPP-4 inhibitors may limit cisplatin-induced nephrotoxicity and improve kidney function in cancer patients.
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Affiliation(s)
- Takamasa Iwakura
- Department of Medicine IV, University Hospital Ludwig-Maximilians-Universität München, Munich, Germany.,Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Zhibo Zhao
- Department of Medicine IV, University Hospital Ludwig-Maximilians-Universität München, Munich, Germany
| | - Julian A Marschner
- Department of Medicine IV, University Hospital Ludwig-Maximilians-Universität München, Munich, Germany
| | - Satish Kumar Devarapu
- Department of Medicine IV, University Hospital Ludwig-Maximilians-Universität München, Munich, Germany
| | - Hideo Yasuda
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hans Joachim Anders
- Department of Medicine IV, University Hospital Ludwig-Maximilians-Universität München, Munich, Germany
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Fujikura T, Yasuda H, Iwakura T, Tsuji T, Anders H. MDM2 inhibitor ameliorates cisplatin-induced nephropathy via NFκΒ signal inhibition. Pharmacol Res Perspect 2019; 7:e00450. [PMID: 30564368 PMCID: PMC6293176 DOI: 10.1002/prp2.450] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 11/19/2018] [Accepted: 11/20/2018] [Indexed: 11/28/2022] Open
Abstract
Cisplatin is a platinum-containing chemotherapeutic drug, which is widely used and highly effective. While effective against tumors, its use is limited by severe side effects such as nephrotoxicity and bone marrow suppression. Murine double minute 2 (MDM2) is the E3 ubiquitin ligase of the tumor suppressor gene, p53, and inhibition of MDM2 can suppress tumor cell growth. However, independent of p53, MDM2 acts as a co-transcription factor for nuclear factor-κB (NFκB), whose signaling can be involved in cisplatin-induced tubular injury. We therefore examined the effects of MDM2 inhibitor on cisplatin cytotoxicity. In order to induce acute kidney injury and to investigate MDM2 inhibitory effects, we injected cisplatin into rats with or without the MDM2 inhibitor, DS-5272, and analyzed kidney physiology/histology and NFκB signaling. Serum creatinine was significantly lower in the DS-5272 group than in the vehicle group on day 3 (0.55 ± 0.069 vs 0.70 ± 0.072 mg/dL, P < 0.05). DS-5272 also significantly decreased kidney injury molecule-1 (KIM-1) expression, improved tubular injury, and decreased apoptotic cells. Western blotting showed that cisplatin increased NFκB phosphorylation in kidneys, which was significantly suppressed by DS-5272. In vitro, we treated HEK 293 cells with cisplatin, in the absence or presence of DS-5272, and examined cytotoxicity and NFκB transcriptional activity. DS-5272 co-treatment reduced both cisplatin-induced cell death and NFκB transcriptional activity. Collectively, these findings suggest that DS-5272 can ameliorate cisplatin nephrotoxicity via NFκB signal inhibition.
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Affiliation(s)
- Tomoyuki Fujikura
- First Department of MedicineHamamatsu University School of MedicineHamamatsu, ShizuokaJapan
- Renal DivisionMedizinische Klinik und Poliklinik IVKlinikum der Universität MünchenLMU MünchenMunichGermany
| | - Hideo Yasuda
- First Department of MedicineHamamatsu University School of MedicineHamamatsu, ShizuokaJapan
| | - Takamasa Iwakura
- First Department of MedicineHamamatsu University School of MedicineHamamatsu, ShizuokaJapan
- Renal DivisionMedizinische Klinik und Poliklinik IVKlinikum der Universität MünchenLMU MünchenMunichGermany
| | - Takayuki Tsuji
- First Department of MedicineHamamatsu University School of MedicineHamamatsu, ShizuokaJapan
| | - Hans‐J. Anders
- Renal DivisionMedizinische Klinik und Poliklinik IVKlinikum der Universität MünchenLMU MünchenMunichGermany
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Moonen L, D'Haese PC, Vervaet BA. Epithelial Cell Cycle Behaviour in the Injured Kidney. Int J Mol Sci 2018; 19:E2038. [PMID: 30011818 PMCID: PMC6073451 DOI: 10.3390/ijms19072038] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 07/10/2018] [Indexed: 02/06/2023] Open
Abstract
Acute kidney injury (AKI), commonly caused by ischemia-reperfusion injury, has far-reaching health consequences. Despite the significant regenerative capacity of proximal tubular epithelium cells (PTCs), repair frequently fails, leading to the development of chronic kidney disease (CKD). In the last decade, it has been repeatedly demonstrated that dysregulation of the cell cycle can cause injured kidneys to progress to CKD. More precisely, severe AKI causes PTCs to arrest in the G1/S or G2/M phase of the cell cycle, leading to maladaptive repair and a fibrotic outcome. The mechanisms causing these arrests are far from known. The arrest might, at least partially, be attributed to DNA damage since activation of the DNA-damage response pathway leads to cell cycle arrest. Alternatively, cytokine signalling via nuclear factor kappa beta (NF-κβ) and p38-mitogen-activated protein kinase (p38-MAPK) pathways, and reactive oxygen species (ROS) can play a role independent of DNA damage. In addition, only a handful of cell cycle regulators (e.g., p53, p21) have been thoroughly studied during renal repair. Still, why and how PTCs decide to arrest their cell cycle and how this arrest can efficiently be overcome remain open and challenging questions. In this review we will discuss the evidence for cell cycle involvement during AKI and development of CKD together with putative therapeutic approaches.
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Affiliation(s)
- Lies Moonen
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, 2000 Antwerp, Belgium.
| | - Patrick C D'Haese
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, 2000 Antwerp, Belgium.
| | - Benjamin A Vervaet
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, 2000 Antwerp, Belgium.
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Iwakura T, Fujigaki Y, Fujikura T, Tsuji T, Ohashi N, Kato A, Yasuda H. Cytoresistance after acute kidney injury is limited to the recovery period of proximal tubule integrity and possibly involves Hippo-YAP signaling. Physiol Rep 2017; 5:5/11/e13310. [PMID: 28611154 PMCID: PMC5471447 DOI: 10.14814/phy2.13310] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 04/29/2017] [Accepted: 05/10/2017] [Indexed: 12/22/2022] Open
Abstract
Rat proximal tubule (PT) cells that have recovered from severe acute kidney injury induced by uranyl acetate (UA) develop cytoresistance to subsequent UA treatments. We reported that enhanced G1 arrest might contribute to cytoresistance. Herein, we examined these mechanisms by investigating Yes-associated protein (YAP), a regulator of cell number, and survivin, a downstream mediator of YAP that inhibits apoptosis. Rats pretreated with saline (vehicle group) or UA (AKI group) were injected with UA 2 weeks, 2 months, or 6 months after treatment. Cytoresistance, evaluated by serum creatinine, was observed at 2 weeks, was attenuated at 2 months, and was lost at 6 months in the AKI group. Based on immunohistochemistry, overexpressed YAP/survivin in PT cells and an increased number of PT cells was found before the second insult at 2 weeks, regressed gradually, and returned to a normal value by 6 months in the AKI group. Cell cycle status, assessed by flow cytometry, was equivalent in all groups before the second insult. However, early G1 phase (cyclin D1-) and p27+ PT cells increased in the AKI group compared to those in the vehicle group until 2 months, but were comparable to those in the vehicle group at 6 months. p21+ PT cells increased at 2 weeks, but normalized by 2 months. Thus, PT cells that have recovered from AKI transiently overexpress YAP/survivin, probably inhibiting apoptosis and resulting in acquired cytoresistance. This effect occurs until PT remodeling is complete, subceullular PT integrity is restored, and cell numbers are normalized.
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Affiliation(s)
- Takamasa Iwakura
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yoshihide Fujigaki
- Department of Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Tomoyuki Fujikura
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Takayuki Tsuji
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Naro Ohashi
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Akihiko Kato
- Blood Purification Unit, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hideo Yasuda
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
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Iwakura T, Fujigaki Y, Fujikura T, Ohashi N, Kato A, Yasuda H. Acquired resistance to rechallenge injury after acute kidney injury in rats is associated with cell cycle arrest in proximal tubule cells. Am J Physiol Renal Physiol 2016; 310:F872-84. [PMID: 26823281 DOI: 10.1152/ajprenal.00380.2015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 01/27/2016] [Indexed: 01/26/2023] Open
Abstract
Rats that have recovered from severe proximal tubule (PT) injury induced by uranyl acetate (UA), a toxic stimulus, developed resistance to subsequent UA treatment. We investigated cell cycle status and progression in PT cells in relation to this acquired resistance. Fourteen days after pretreatment with saline (vehicle group) or UA [acute kidney injury (AKI) group], rats were injected with UA or lead acetate (a proliferative stimulus). Cell cycle status (G0/G1/S/G2/M) was analyzed by flow cytometry. The expression of cell cycle markers, cyclin-dependent kinase inhibitors, and phenotypic markers were examined by immunohistochemistry. Cell cycle status in PT cells in the AKI group was comparable to those of the vehicle group. However, more early G1-phase cells (cyclin D1- or Ki67-) and p21+ or p27+ cells were found in the PT of the AKI group than in that of the vehicle group. UA induced G1 arrest and inhibited S phase progression with earlier dedifferentiation and less apoptosis in PT cells of the AKI group. Lead acetate induced proliferation without dedifferentiation but with delayed G0-G1 transition and inhibited S phase progression in PT cells in the AKI group. Sustained p21 and increased p27 expression in PT cells were found in the AKI group in response to UA and lead acetate. PT cells in the AKI group inhibited cell cycle progression by enhanced G1 arrest, probably via p21/p27 modulation as an injury or proliferation response, resulting in cytoresistance to rechallenge injury.
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Affiliation(s)
- Takamasa Iwakura
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yoshihide Fujigaki
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan; Department of Medicine, Teikyo University School of Medicine, Tokyo, Japan; and
| | - Tomoyuki Fujikura
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Naro Ohashi
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Akihiko Kato
- Blood Purification Unit, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hideo Yasuda
- Internal Medicine I, Division of Nephrology, Hamamatsu University School of Medicine, Hamamatsu, Japan
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