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Mansour HM, F Mohamed A, Khattab MM, El-Khatib AS. Lapatinib ditosylate rescues motor deficits in rotenone-intoxicated rats: Potential repurposing of anti-cancer drug as a disease-modifying agent in Parkinson's disease. Eur J Pharmacol 2023; 954:175875. [PMID: 37385578 DOI: 10.1016/j.ejphar.2023.175875] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 07/01/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by motor deficits induced by dopaminergic neuronal death in the substantia nigra (SN). Finding a successful neuroprotective therapy is still challenging despite improved knowledge of the etiology of PD and a variety of medications intended to reduce symptoms. Lapatinib (LAP), an FDA-approved anti-cancer medication, has been stated to exert its effect through the modulation of oxidative stress. Furthermore, recent studies display the neuroprotective effects of LAP in epilepsy, encephalomyelitis, and Alzheimer's disease in rodent models through the modulation of oxidative stress and ferroptosis. Nevertheless, it is questionable whether LAP exerts neuroprotective effects in PD. In the current study, administration of 100 mg/kg LAP in rotenone-treated rats for 21 days ameliorates motor impairment, debilitated histopathological alterations, and revived dopaminergic neurons by increasing tyrosine hydroxylase (TH) expression in SN, along with increased dopamine level. LAP remarkably restored the antioxidant defense mechanism system, GPX4/GSH/NRF2 axis, inhibiting oxidative markers, including iron, TfR1, PTGS2, and 4-HNE, along with suppression of p-EGFR/c-SRC/PKCβII/PLC-γ/ACSL-4 pathway. Moreover, LAP modulates HSP90/CDC37 chaperone complex, regulating many key pathological markers of PD, including LRRK2, c-ABL, and α-syn. It is concluded that LAP has neuroprotective effects in PD via modulation of many key parameters implicated in PD pathogenesis. Taken together, the current study offers insights into the potential repositioning of LAP as a disease-modifying drug in PD.
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Affiliation(s)
- Heba M Mansour
- Central Administration of Biological, Innovative Products, and Clinical Studies, Egyptian Drug Authority, EDA, Giza, Egypt
| | - Ahmed F Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Mahmoud M Khattab
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Aiman S El-Khatib
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Chiu CC, Weng YH, Yeh TH, Lu JC, Chen WS, Li AHR, Chen YL, Wei KC, Wang HL. Deficiency of RAB39B Activates ER Stress-Induced Pro-apoptotic Pathway and Causes Mitochondrial Dysfunction and Oxidative Stress in Dopaminergic Neurons by Impairing Autophagy and Upregulating α-Synuclein. Mol Neurobiol 2023; 60:2706-2728. [PMID: 36715921 DOI: 10.1007/s12035-023-03238-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 01/17/2023] [Indexed: 01/31/2023]
Abstract
Deletion and missense or nonsense mutation of RAB39B gene cause familial Parkinson's disease (PD). We hypothesized that deletion and mutation of RAB39B gene induce degeneration of dopaminergic neurons by decreasing protein level of functional RAB39B and causing RAB39B deficiency. Cellular model of deletion or mutation of RAB39B gene-induced PD was prepared by knocking down endogenous RAB39B in human SH-SY5Y dopaminergic cells. Transfection of shRNA-induced 90% reduction in RAB39B level significantly decreased viability of SH-SY5Y dopaminergic neurons. Deficiency of RAB39B caused impairment of macroautophagy/autophagy, which led to increased protein levels of α-synuclein and phospho-α-synucleinSer129 within endoplasmic reticulum (ER) and mitochondria. RAB39B deficiency-induced increase of ER α-synuclein and phospho-α-synucleinSer129 caused activation of ER stress, unfolded protein response, and ER stress-induced pro-apoptotic cascade. Deficiency of RAB39B-induced increase of mitochondrial α-synuclein decreased mitochondrial membrane potential and increased mitochondrial superoxide. RAB39B deficiency-induced activation of ER stress pro-apoptotic pathway, mitochondrial dysfunction, and oxidative stress caused apoptotic death of SH-SY5Y dopaminergic cells by activating mitochondrial apoptotic cascade. In contrast to neuroprotective effect of wild-type RAB39B, PD mutant (T168K), (W186X), or (G192R) RAB39B did not prevent tunicamycin- or rotenone-induced increase of neurotoxic α-synuclein and activation of pro-apoptotic pathway. Our results suggest that RAB39B is required for survival and macroautophagy function of dopaminergic neurons and that deletion or PD mutation of RAB39B gene-induced RAB39B deficiency induces apoptotic death of dopaminergic neurons via impairing autophagy function and upregulating α-synuclein.
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Affiliation(s)
- Ching-Chi Chiu
- Department of Medical Biotechnology and Laboratory Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Yi-Hsin Weng
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tu-Hsueh Yeh
- Department of Neurology, Taipei Medical University Hospital, Taipei, Taiwan
| | - Juu-Chin Lu
- Department of Physiology and Pharmacology, Chang Gung University College of Medicine, No. 259, Wen-Hwa 1St Road, Kweishan, Taoyuan, 333, Taiwan
| | - Wan-Shia Chen
- Department of Physiology and Pharmacology, Chang Gung University College of Medicine, No. 259, Wen-Hwa 1St Road, Kweishan, Taoyuan, 333, Taiwan
| | - Allen Han-Ren Li
- Department of Anesthesiology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ying-Ling Chen
- Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Kuo-Chen Wei
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Hung-Li Wang
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
- Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.
- Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
- Department of Physiology and Pharmacology, Chang Gung University College of Medicine, No. 259, Wen-Hwa 1St Road, Kweishan, Taoyuan, 333, Taiwan.
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Wang Y, Chen W, Han Y, Xu X, Yang A, Wei J, Hong D, Fang X, Chen T. Neuroprotective effect of engineered
Clostridium
butyricum‐pMTL007‐GLP
‐1 on Parkinson's disease mice models via promoting mitophagy. Bioeng Transl Med 2023; 8:e10505. [DOI: 10.1002/btm2.10505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/01/2023] [Accepted: 03/04/2023] [Indexed: 03/19/2023] Open
Affiliation(s)
- Yun Wang
- Department of Neurology The First Affiliated Hospital of Nanchang University Nanchang Jiangxi Province P. R. China 330006
| | - Wen‐jie Chen
- Institute of Translational Medicine Nanchang University Nanchang Jiangxi Province P. R. China 330031
| | - Yi‐yang Han
- Institute of Translational Medicine Nanchang University Nanchang Jiangxi Province P. R. China 330031
| | - Xuan Xu
- Institute of Translational Medicine Nanchang University Nanchang Jiangxi Province P. R. China 330031
| | - Ai‐xia Yang
- Department of Neurology The First Affiliated Hospital of Nanchang University Nanchang Jiangxi Province P. R. China 330006
| | - Jing Wei
- Institute of Translational Medicine Nanchang University Nanchang Jiangxi Province P. R. China 330031
| | - Dao‐jun Hong
- Department of Neurology The First Affiliated Hospital of Nanchang University Nanchang Jiangxi Province P. R. China 330006
| | - Xin Fang
- Department of Neurology The First Affiliated Hospital of Nanchang University Nanchang Jiangxi Province P. R. China 330006
| | - Ting‐tao Chen
- Institute of Translational Medicine Nanchang University Nanchang Jiangxi Province P. R. China 330031
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He L, Chang Q, Zhang Y, Guan X, Ma Z, Chen X, Liu W, Li Y, Feng H. MiR-155-5p Aggravated Astrocyte Activation and Glial Scarring in a Spinal Cord Injury Model by Inhibiting Ndfip1 Expression and PTEN Nuclear Translocation. Neurochem Res 2023; 48:1912-1924. [PMID: 36750528 PMCID: PMC10119073 DOI: 10.1007/s11064-023-03862-7] [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: 08/25/2022] [Revised: 11/28/2022] [Accepted: 01/13/2023] [Indexed: 02/09/2023]
Abstract
Central nervous injury and regeneration repair have always been a hot and difficult scientific questions in neuroscience, such as spinal cord injury (SCI) caused by a traffic accident, fall injury, and war. After SCI, astrocytes further migrate to the injured area and form dense glial scar through proliferation, which not only limits the infiltration of inflammatory cells but also affects axon regeneration. We aim to explore the effect and underlying mechanism of miR-155-5p overexpression promoted astrocyte activation and glial scarring in an SCI model. MiR-155-5p mimic (50 or 100 nm) was used to transfect CTX-TNA2 rat brain primary astrocyte cell line. MiR-155-5p antagonist and miR-155-5p agomir were performed to treat SCI rats. MiR-155-5p mimic dose-dependently promoted astrocyte proliferation, and inhibited cell apoptosis. MiR-155-5p overexpression inhibited nuclear PTEN expression by targeting Nedd4 family interacting protein 1 (Ndfip1). Ndfip1 overexpression reversed astrocyte activation which was induced by miR-155-5p mimic. Meanwhile, Ndfip1 overexpression abolished the inhibition effect of miR-155-5p mimic on PTEN nuclear translocation. In vivo, miR-155-5p silencing improved SCI rat locomotor function and promoted astrocyte activation and glial scar formation. And miR-155-5p overexpression showed the opposite results. MiR-155-5p aggravated astrocyte activation and glial scarring in a SCI model by targeting Ndfip1 expression and inhibiting PTEN nuclear translocation. These findings have ramifications for the development of miRNAs as SCI therapeutics.
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Affiliation(s)
- Liming He
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Qiang Chang
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Yannan Zhang
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Xiaoming Guan
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Zhuo Ma
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Xu Chen
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Wenbo Liu
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Yakun Li
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Haoyu Feng
- Department of Orthopaedic Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, China.
- Department of Orthopaedic Surgery, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China.
- Department of Orthopaedic Surgery, Tongji Shanxi Hospital, Taiyuan, Shanxi, China.
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WWP1 upregulation predicts poor prognosis and promotes tumor progression by regulating ubiquitination of NDFIP1 in intrahepatic cholangiocarcinoma. Cell Death Dis 2022; 8:107. [PMID: 35264565 PMCID: PMC8906119 DOI: 10.1038/s41420-022-00882-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/26/2022] [Accepted: 02/09/2022] [Indexed: 11/26/2022]
Abstract
WW domain-containing E3 ubiquitin protein ligase1 (WWP1) is reported to be upregulated in many types of human cancers; however, its expression and function in intrahepatic cholangiocarcinoma (ICC) remain unknown. Here, in this study we investigated the expression pattern, clinical prognosis, tumor biological functions, and molecular mechanisms of WWP1 in ICC. The expression of WWP1 in patient tissues was detected by western blotting, immunohistochemistry (IHC), and immunofluorescence. CCK-8, colony formation, EdU, transwell, and xenograft models were used to explore the role of WWP1 in the proliferation and metastasis of ICC. Co-immunoprecipitation, mass spectrometry, chromatin immunoprecipitation, and immunofluorescence were performed to detect the potential mechanisms. Our study revealed that WWP1 was highly expressed in ICC, and high levels of WWP1 were associated with poor prognosis. Functionally, WWP1 overexpression enhanced the proliferation and metastasis of ICC cells and vice versa. Mechanistically, MYC could be enriched in the promoter region of WWP1 to facilitate its expression. Then, WWP1 targets Nedd4 family interacting protein1 (NDFIP1) and reduces NDFIP1 protein levels via ubiquitination. Downregulation of NDFIP1 in ICC cells rescued the effects of silenced WWP1 expression. WWP1 expression was also negatively correlated with the protein level of NDFIP1 in patient tissues. In conclusion, WWP1 upregulated by MYC promotes the progression of ICC via ubiquitination of NDFIP1, which reveals that WWP1 might be a potential therapeutic target for ICC.
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Mohamad KA, El-Naga RN, Wahdan SA. Neuroprotective effects of indole-3-carbinol on the rotenone rat model of Parkinson's disease: Impact of the SIRT1-AMPK signaling pathway. Toxicol Appl Pharmacol 2022; 435:115853. [PMID: 34973289 DOI: 10.1016/j.taap.2021.115853] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 11/26/2021] [Accepted: 12/24/2021] [Indexed: 10/19/2022]
Abstract
Parkinson's disease (PD) is the second most common progressive neurodegenerative disorder. Although mounting studies have been conducted, no effective therapy is available to halt its progression. Indole-3-carbinol (I3C) is a naturally occurring compound obtained by β-thioglucosidase-mediated autolysis of glucobrassicin in cruciferous vegetables. Besides its powerful antioxidant activity, I3C has shown neuroprotection against depression and chemically induced neurotoxicity via its anti-inflammatory and antiapoptotic effects. This study aimed to investigate the neuroprotective effects of I3C against rotenone (ROT)-induced PD in male albino rats. The possible protective mechanisms were also explored. PD was induced by subcutaneous administration of ROT (2 mg/kg) for 28 days. The effects of I3C (25, 50, and 100 mg/kg/day) were assessed by catalepsy test (bar test), spontaneous locomotor activity, rotarod test, weight change, tyrosine hydroxylase (TH) expression, α-synuclein (α-Syn) expression, striatal dopamine (DA) content, and histological examination. The highest dose of I3C (100 mg/kg) was the most effective to prevent ROT-mediated motor dysfunctions and amend striatal DA decrease, weight loss, neurodegeneration, TH expression reduction, and α-Syn expression increase in both the midbrain and striatum. Further mechanistic investigations revealed that the neuroprotective effects of I3C are partially attributed to its anti-inflammatory and antiapoptotic effects and the activation of the sirtuin 1/AMP-activated protein kinase pathway. Altogether, these results suggested that I3C could attenuate biochemical, molecular, and functional changes in a rat PD model with following repeated rotenone exposures.
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Affiliation(s)
- Khalid A Mohamad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
| | - Reem N El-Naga
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
| | - Sara A Wahdan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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