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Zhang X, Tan Y, Li T, Tan D, Fu B, Yang M, Chen Y, Cao M, Xuan C, Du Q, Hu R, Wang Q. Intercellular adhesion molecule-1 suppresses TMZ chemosensitivity in acquired TMZ-resistant gliomas by increasing assembly of ABCB1 on the membrane. Drug Resist Updat 2024; 76:101112. [PMID: 38924997 DOI: 10.1016/j.drup.2024.101112] [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: 08/28/2023] [Revised: 05/31/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024]
Abstract
AIMS Despite aggressive treatment, the recurrence of glioma is an inevitable occurrence, leading to unsatisfactory clinical outcomes. A plausible explanation for this phenomenon is the phenotypic alterations that glioma cells undergo aggressive therapies, such as TMZ-therapy. However, the underlying mechanisms behind these changes are not well understood. METHODS The TMZ chemotherapy resistance model was employed to assess the expression of intercellular adhesion molecule-1 (ICAM1) in both in vitro and in vivo settings. The potential role of ICAM1 in regulating TMZ chemotherapy resistance was investigated through knockout and overexpression techniques. Furthermore, the mechanism underlying ICAM1-mediated TMZ chemotherapy resistance was examined using diverse molecular biological methods, and the lipid raft protein was subsequently isolated to investigate the cellular subcomponents where ICAM1 operates. RESULTS Acquired TMZ resistant (TMZ-R) glioma models heightened production of intercellular adhesion molecule-1 (ICAM1) in TMZ-R glioma cells. Additionally, we observed a significant suppression of TMZ-R glioma proliferation upon inhibition of ICAM1, which was attributed to the enhanced intracellular accumulation of TMZ. Our findings provide evidence supporting the role of ICAM1, a proinflammatory marker, in promoting the expression of ABCB1 on the cell membrane of TMZ-resistant cells. We have elucidated the mechanistic pathway by which ICAM1 modulates phosphorylated moesin, leading to an increase in ABCB1 expression on the membrane. Furthermore, our research has revealed that the regulation of moesin by ICAM1 was instrumental in facilitating the assembly of ABCB1 exclusively on the lipid raft of the membrane. CONCLUSIONS Our findings suggest that ICAM1 is an important mediator in TMZ-resistant gliomas and targeting ICAM1 may provide a new strategy for enhancing the efficacy of TMZ therapy against glioma.
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Affiliation(s)
- Xin Zhang
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, Anhui, PR China; State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Yingying Tan
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Tao Li
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China; General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Dashan Tan
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Bin Fu
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Mengdi Yang
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Yaxin Chen
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Mengran Cao
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Chenyuan Xuan
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Qianming Du
- General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, PR China
| | - Rong Hu
- State Key Laboratory of Natural Medicines, School of Basic Medical and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, PR China.
| | - Qing Wang
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu, PR China.
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Kong W, Sun X, Yu S, Liu P, Zheng X, Zhang J, Zhu L, Jiang T, Jin M, Gao J, Fan X, Liu X, Liu L. Bile duct ligation increased dopamine levels in the cerebral cortex of rats partly due to induction of tyrosine hydroxylase. Br J Pharmacol 2023. [PMID: 36692417 DOI: 10.1111/bph.16041] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 01/10/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND AND PURPOSE Liver failure is associated with psychiatric alterations, partly resulting from the increased brain dopamine levels. We investigated the relationship between increased dopamine levels and mental abnormalities using bile duct ligation (BDL) rats and the mechanism by which liver failure increased dopamine levels in SH-SY5Y cells. Behavioural tests were carried out on day 13 and 27 following BDL, along with measurements of dopamine and metabolites, expressions of enzymes and transporters related to dopamine metabolism, and its transport into the cortex and the hippocampus. SH-SY5Y cells were used to investigate whether NH4 Cl, bile acids and bilirubin affected expression of tyrosine hydroxylase or not. Tyrosine hydroxylase (TH) expression in SH-SY5Y cells co-incubated with bilirubin and signal pathway inhibitors was measured. KEY RESULTS Open-field test results demonstrated BDL rats showed anxiety-like behaviour, accompanied by increased dopamine levels and expression of TH protein in the cortex. Membrane bound long form (MB)-COMT, slightly but significantly decreased. SH-SY5Y cells indicated that increased bilirubin levels was a factor in inducing TH expression. Both inhibitor of NF-κB pathway BAY 11-7082 and silencing NF-κB p65 reversed bilirubin-induced upregulation of TH protein. NF-κB activator TNF-α increased expression of TH protein. Roles of bilirubin in increases of TH protein expressions and dopamine levels were measured using hyperbilirubinemia rats. Anxiety-like behaviour, was associated with increased dopamine levels and TH protein expressions in hyperbilirubinemia rats. CONCLUSION AND IMPLICATIONS BDL significantly increased dopamine levels in rat cortex partly due to bilirubin-mediated TH induction. Increased bilirubin induced TH expression via activating NF-κB signalling pathway.
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Affiliation(s)
- Weimin Kong
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China.,School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu, Anhui, China
| | - Xueying Sun
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Siyu Yu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Peihua Liu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaoke Zheng
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jiaxin Zhang
- Hunan Provincial People's Hospital (The first-affiliated hospital of Hunan Normal University), Changsha, China
| | - Liang Zhu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Tianxin Jiang
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Mengmeng Jin
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jinghui Gao
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaomin Fan
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaodong Liu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Li Liu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
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Bile Duct Ligation Impairs Function and Expression of Mrp1 at Rat Blood–Retinal Barrier via Bilirubin-Induced P38 MAPK Pathway Activations. Int J Mol Sci 2022; 23:ijms23147666. [PMID: 35887010 PMCID: PMC9318728 DOI: 10.3390/ijms23147666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/04/2022] [Accepted: 07/07/2022] [Indexed: 11/29/2022] Open
Abstract
Liver injury is often associated with hepatic retinopathy, resulting from accumulation of retinal toxins due to blood–retinal barrier (BRB) dysfunction. Retinal pigment epithelium highly expresses MRP1/Mrp1. We aimed to investigate whether liver injury affects the function and expression of retinal Mrp1 using bile duct ligation (BDL) rats. Retinal distributions of fluorescein and 2,4-dinitrophenyl-S-glutathione were used for assessing Mrp1 function. BDL significantly increased distributions of the two substrates and bilirubin, downregulated Mrp1 protein, and upregulated phosphorylation of p38 and MK2 in the retina. BDL neither affected the retinal distribution of FITC-dextran nor expressions of ZO-1 and claudin-5, demonstrating intact BRB integrity. In ARPE-19 cells, BDL rat serum or bilirubin decreased MRP1 expression and enhanced p38 and MK2 phosphorylation. Both inhibiting and silencing p38 significantly reversed the bilirubin- and anisomycin-induced decreases in MRP1 protein. Apparent permeability coefficients of fluorescein in the A-to-B direction (Papp, A-to-B) across the ARPE-19 monolayer were greater than Papp, B-to-A. MK571 or bilirubin significantly decreased Papp, A-to-B of fluorescein. Bilirubin treatment significantly downregulated Mrp1 function and expression without affecting integrity of BRB and increased bilirubin levels and phosphorylation of p38 and MK2 in rat retina. In conclusion, BDL downregulates the expression and function of retina Mrp1 by activating the p38 MAPK pathway due to increased bilirubin levels.
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Blondel S, Strazielle N, Amara A, Guy R, Bain C, Rose A, Guibaud L, Tiribelli C, Gazzin S, Ghersi-Egea JF. Vascular network expansion, integrity of blood-brain interfaces, and cerebrospinal fluid cytokine concentration during postnatal development in the normal and jaundiced rat. Fluids Barriers CNS 2022; 19:47. [PMID: 35672829 PMCID: PMC9172137 DOI: 10.1186/s12987-022-00332-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 04/20/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Severe neonatal jaundice resulting from elevated levels of unconjugated bilirubin in the blood induces dramatic neurological impairment. Central oxidative stress and an inflammatory response have been associated with the pathophysiological mechanism. Cells forming the blood-brain barrier and the choroidal blood-CSF barrier are the first CNS cells exposed to increased plasma levels of unconjugated bilirubin. These barriers are key regulators of brain homeostasis and require active oxidative metabolism to fulfill their protective functions. The choroid plexus-CSF system is involved in neuroinflammatory processes. In this paper, we address the impact of neonatal hyperbilirubinemia on some aspects of brain barriers. We describe physiological changes in the neurovascular network, blood-brain/CSF barriers integrities, and CSF cytokine levels during the postnatal period in normobilirubinemic animals, and analyze these parameters in parallel in Gunn rats that are deficient in bilirubin catabolism and develop postnatal hyperbilirubinemia. METHODS Gunn rats bearing a mutation in UGT1a genes were used. The neurovascular network was analyzed by immunofluorescence stereomicroscopy. The integrity of the barriers was evaluated by [14C]-sucrose permeability measurement. CSF cytokine levels were measured by multiplex immunoassay. The choroid plexus-CSF system response to an inflammatory challenge was assessed by enumerating CSF leukocytes. RESULTS In normobilirubinemic animals, the neurovascular network expands postnatally and displays stage-specific regional variations in its complexity. Network expansion is not affected by hyperbilirubinemia. Permeability of the blood-brain and blood-CSF barriers to sucrose decreases between one- and 9-day-old animals, and does not differ between normobilirubinemic and hyperbilirubinemic rats. Cytokine profiles differ between CSF and plasma in all 1-, 9-, and 18-day-old animals. The CSF cytokine profile in 1-day-old animals is markedly different from that established in older animals. Hyperbilirubinemia perturbs these cytokine profiles only to a very limited extent, and reduces CSF immune cell infiltration triggered by systemic exposure to a bacterial lipopeptide. CONCLUSION The data highlight developmental specificities of the blood-brain barrier organization and of CSF cytokine content. They also indicate that a direct effect of bilirubin on the vascular system organization, brain barriers morphological integrity, and inflammatory response of the choroid plexus-CSF system is not involved in the alteration of brain functions induced by severe neonatal jaundice.
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Affiliation(s)
| | - Nathalie Strazielle
- Brain-i, Lyon, France
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Amel Amara
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Rainui Guy
- BIP Facility, Lyon Neurosciences Research Center, Bron, France
| | | | | | - Laurent Guibaud
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Claudio Tiribelli
- Fondazione Italiana Fegato-Onlus, AREA Science Park, Basovizza, Trieste, Italy
| | - Silvia Gazzin
- Fondazione Italiana Fegato-Onlus, AREA Science Park, Basovizza, Trieste, Italy
| | - Jean-François Ghersi-Egea
- BIP Facility, Lyon Neurosciences Research Center, Bron, France.
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France.
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