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Thompson AC, Aizenman CD. Characterization of Na + currents regulating intrinsic excitability of optic tectal neurons. Life Sci Alliance 2024; 7:e202302232. [PMID: 37918964 PMCID: PMC10622587 DOI: 10.26508/lsa.202302232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/04/2023] Open
Abstract
Developing neurons adapt their intrinsic excitability to maintain stable output despite changing synaptic input. The mechanisms behind this process remain unclear. In this study, we examined Xenopus optic tectal neurons and found that the expressions of Nav1.1 and Nav1.6 voltage-gated Na+ channels are regulated during changes in intrinsic excitability, both during development and becsuse of changes in visual experience. Using whole-cell electrophysiology, we demonstrate the existence of distinct, fast, persistent, and resurgent Na+ currents in the tectum, and show that these Na+ currents are co-regulated with changes in Nav channel expression. Using antisense RNA to suppress the expression of specific Nav subunits, we found that up-regulation of Nav1.6 expression, but not Nav1.1, was necessary for experience-dependent increases in Na+ currents and intrinsic excitability. Furthermore, this regulation was also necessary for normal development of sensory guided behaviors. These data suggest that the regulation of Na+ currents through the modulation of Nav1.6 expression, and to a lesser extent Nav1.1, plays a crucial role in controlling the intrinsic excitability of tectal neurons and guiding normal development of the tectal circuitry.
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Affiliation(s)
- Adrian C Thompson
- https://ror.org/05gq02987 Department of Neuroscience, Brown University, Providence, RI, USA
| | - Carlos D Aizenman
- https://ror.org/05gq02987 Department of Neuroscience, Brown University, Providence, RI, USA
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2
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Wang P, Mao S, Yi T, Wang L. LncRNA MALAT1 Targets miR-9-3p to Upregulate SAP97 in the Hippocampus of Mice with Vascular Dementia. Biochem Genet 2022; 61:916-930. [PMID: 36227424 DOI: 10.1007/s10528-022-10289-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 10/02/2022] [Indexed: 11/29/2022]
Abstract
Vascular dementia (VaD) is the second most common subtype of dementia, but the precise mechanism underlying VaD is not fully understood. Long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) can act as a key regulator in physiological and pathological processes, including neurological disorders, but whether it is correlated with VaD has not been elucidated. In this study, we established a mouse model of VaD by the transient bilateral common carotid artery occlusion surgery. As expected, the Morris water maze showed that VaD mice had significant deficits in spatial learning and memory. MALAT1 was elevated in the hippocampus of VaD mice. Additionally, we found that microRNA (miR)-9-3p was downregulated in the VaD hippocampus. By performing a dual-luciferase report assay, we verified the binding relationship between MALAT1 and miR-9-3p. Interestingly, synapse-associated protein-97 (SAP97), a well-known gene related to synaptic functions, was found upregulated in the hippocampus of VaD mice. In vitro experiments performed on hippocampal neurons demonstrated that miR-9-3p negatively regulated SAP97 expression. The downregulation of MALAT1 in hippocampal neurons increased miR-9-3p and reduced SAP97, whereas miR-9-3p inhibition rescued the MALAT1 downregulation-mediated SAP97 reduction. In conclusion, the present study reported the alterations in the expression levels of MALAT1, miR-9-3p, and SAP97 in the hippocampus of VaD mice, suggesting that MALAT1 targets miR-9-3p to upregulate SAP97 in the hippocampus of mice with VaD. This work will be helpful for understanding the molecular mechanisms of VaD.
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Affiliation(s)
- Pengwei Wang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Harbin, 150001, Heilongjiang, China
| | - Senlin Mao
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Harbin, 150001, Heilongjiang, China
| | - Tingting Yi
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Harbin, 150001, Heilongjiang, China
| | - Lihua Wang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Harbin, 150001, Heilongjiang, China.
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3
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Zheng W, Zhang J, Zhou B, Chang H. MiR-322-5p Alleviates Cell Injury and Impairment of Cognitive Function in Vascular Dementia by Targeting TSPAN5. Yonsei Med J 2022; 63:282-291. [PMID: 35184431 PMCID: PMC8860938 DOI: 10.3349/ymj.2022.63.3.282] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 11/27/2022] Open
Abstract
PURPOSE As the population ages, the incidence of clinical dementia has been rising around the world. It has been reported that microRNAs act as key diagnostic biomarkers and targets for various neurological conditions, including dementia. MiR-322-5p has been revealed to play an important role in multiple diseases. In this study, we aimed to investigate the role and regulatory mechanism of miR-322-5p in vascular dementia. MATERIALS AND METHODS In this study, neonatal rat neurons (NRNs) were subjected to oxygen-glucose deprivation/reoxygenation (OGD/R) to induce cell injury. The animals were subjected to permanent bilateral occlusion of the carotid arteries (2-vessel occlusion, 2VO) to induce the model of chronic brain hypoperfusion. RESULTS MiR-322-5p expression was significantly downregulated in the neurons exposed to OGD/R and the hippocampi of 2VO rats. Overexpression of miR-322-5p ameliorated cell apoptosis and the inflammatory response in vitro. In a mechanistic study, miR-322-5p was confirmed to directly target and negatively regulate tetraspanin 5 (TSPAN5) in cultured NRNs. Moreover, overexpression of TSPAN5 could counteract the effects of miR-322-5p overexpression on cell apoptosis and the inflammatory response in OGD/R-treated neurons. More importantly, miR-322-5p improved cognitive ability and inhibited inflammatory production in 2VO rats. CONCLUSION Overall, the results suggest that miR-322-5p alleviates vascular dementia development by targeting TSPAN5. This discovery may provide a potential therapeutic target for dementia.
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Affiliation(s)
- Wei Zheng
- Department of Rehabilitation Medicine, The Affiliated Lianyungang Oriental Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Jie Zhang
- Department of Rehabilitation Medicine, The Affiliated Lianyungang Oriental Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China.
| | - Bin Zhou
- Department of Rehabilitation Medicine, The Affiliated Lianyungang Oriental Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Huanxian Chang
- Department of Neurology, The Affiliated Lianyungang Oriental Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
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4
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Bezerra DP, de Aguiar JP, Keasey MP, Rodrigues CG, de Oliveira JRM. MiR-9-5p Regulates Genes Linked to Cerebral Calcification in the Osteogenic Differentiation Model and Induces Generalized Alteration in the Ion Channels. J Mol Neurosci 2021; 71:1897-1905. [PMID: 34041689 DOI: 10.1007/s12031-021-01830-w] [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: 08/15/2018] [Accepted: 03/15/2021] [Indexed: 12/01/2022]
Abstract
MicroRNA-9 (miR-9) modulates gene expression and demonstrates high structural conservation and wide expression in the central nervous system. Bioinformatics analysis predicts almost 100 ion channels, membrane transporters and receptors, including genes linked to primary familial brain calcification (PFBC), as possible miR-9-5p targets. PFBC is a neurodegenerative disorder, characterized by bilateral and symmetrical calcifications in the brain, associated with motor and behavioral disturbances. In this work, we seek to study the influence of miR-9-5p in regulating genes involved in PFBC, in an osteogenic differentiation model with SaOs-2 cells. During the induced calcification process, solute carrier family 20 member 2 (SLC20A2) and platelet-derived growth factor receptor beta (PDGFRB) were downregulated, while platelet-derived growth factor beta (PDGFB) showed no significant changes. Significantly decreased levels of SLC20A2 and PDGFRB were caused by the presence of miR-9-5p, while PDGFB showed no regulation. We confirmed the findings using an miR-9-5p inhibitor and also probed the cells in electrophysiological analysis to assess whether such microRNA might affect a broader range of ion channels, membrane transporters and receptors. Our electrophysiological data show that an increase of the miR-9-5p in SaOs-2 cells decreased the density and amplitude of the output ionic currents, indicating that it may influence the activity, and perhaps the expression, of some ionic channels. Additional investigations should determine whether such an effect is specific to miR-9-5p, and whether it could be used, together with the miR-9-5p inhibitor, as a therapeutic or diagnostic tool.
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Affiliation(s)
| | | | - Matthew Philip Keasey
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, USA
| | | | - João Ricardo Mendes de Oliveira
- Keizo Asami Laboratory, Federal University of Pernambuco, Recife, PE, Brazil. .,Neuropsychiatry Department, Federal University of Pernambuco, Recife, PE, Brazil.
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5
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Motejunas MW, Bonneval L, Carter C, Reed D, Ehrhardt K. Biologic Therapy in Chronic Pain Management: a Review of the Clinical Data and Future Investigations. Curr Pain Headache Rep 2021; 25:30. [PMID: 33761016 DOI: 10.1007/s11916-021-00947-2] [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] [Accepted: 02/12/2021] [Indexed: 01/08/2023]
Abstract
PURPOSE With the aging population, it is clear that the demand for future chronic pain treatment modalities is at an all-time high. One of the newest treatment modalities that is gaining popularity with both practitioners and patients alike is that of regenerative medicine and the use of stem cells to treat chronic painful conditions. This article aims to distill the most recent, available data from both laboratory research and clinical trials to better illuminate the potentials for these therapies in the treatment of chronic pain. RECENT FINDINGS There are numerous investigations underway using mesenchymal stem cells (MSCs) to treat painful, largely degenerative conditions. A large majority of these investigations focus on osteoarthritis of the knee and have demonstrated significantly improved pain scores. Some of these investigations have demonstrated significantly increased articular cartilage and meniscus growth as well as improved function. These studies have been smaller (n, 18) and need to be corroborated on a macrolevel. Platelet-rich plasma (PRP)-based therapies have been most extensively studied in the treatment of knee osteoarthritis. Multiple prospective and randomized trials and meta-analyses have afforded level I evidence in support of PRP's safety and efficacy in chronic knee pain demonstrating both decreased pain (via VAS) and increased functional status (via WOMAC and IKDC). There have been randomized controlled trials examining PRP therapies in treatment degenerative disc disease (intradiscal treatment), facet arthropathy (intra-facet injections), and sacroiliitis (SIJ) which have all yielded similar positive results. Each RTC demonstrated decreased pain scores and increased function but lacks the scale to derive concrete guidelines. Newer investigations are underway examining modified PRP formulas with increased fibrin (PRF) or various growth factors (PRGF) and have shown positive outcomes with respect to osteoarthritic conditions in small trials. Animal trials are underway further investigating these therapies as well as specific gene modulation therapies. This review of the most recent investigations into the application and uses of biologic stem cell-derived treatments for chronic painful conditions should act to illustrate the growing, favorable data for these types of modalities both with respect to pain control and functional improvement.
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Affiliation(s)
| | | | | | | | - Ken Ehrhardt
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Zhang J, Sun P, Zhou C, Zhang X, Ma F, Xu Y, Hamblin MH, Yin K. Regulatory microRNAs and vascular cognitive impairment and dementia. CNS Neurosci Ther 2020; 26:1207-1218. [PMID: 33459504 PMCID: PMC7702235 DOI: 10.1111/cns.13472] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/11/2022] Open
Abstract
Vascular cognitive impairment and dementia (VCID) is defined as a progressive dementia disease related to cerebrovascular injury and often occurs in aged populations. Despite decades of research, effective treatment for VCID is still absent. The pathological processes of VCID are mediated by the molecular mechanisms that are partly modulated at the post-transcriptional level. As small endogenous non-coding RNAs, microRNAs (miRs) can regulate target gene expression through post-transcriptional gene silencing. miRs have been reported to play an important role in the pathology of VCID and have recently been suggested as potential novel pharmacological targets for the development of new diagnosis and treatment strategies in VCID. In this review, we summarize the current understanding of VCID, the possible role of miRs in the regulation of VCID and attempt to envision future therapeutic strategies. Since manipulation of miR levels by either pharmacological or genetic approaches has shown therapeutic effects in experimental VCID models, we also emphasize the potential therapeutic value of miRs in clinical settings.
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Affiliation(s)
- Jing Zhang
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Ping Sun
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Chao Zhou
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Xuejing Zhang
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Feifei Ma
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Yang Xu
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Milton H. Hamblin
- Department of PharmacologyTulane University School of MedicineNew OrleansLAUSA
| | - Ke‐Jie Yin
- Department of NeurologyPittsburgh Institute of Brain Disorders & RecoveryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
- Geriatric ResearchEducation and Clinical CenterVeterans Affairs Pittsburgh Healthcare SystemPittsburghPAUSA
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7
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Varma-Doyle AV, Lukiw WJ, Zhao Y, Lovera J, Devier D. A hypothesis-generating scoping review of miRs identified in both multiple sclerosis and dementia, their protein targets, and miR signaling pathways. J Neurol Sci 2020; 420:117202. [PMID: 33183778 DOI: 10.1016/j.jns.2020.117202] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 09/26/2020] [Accepted: 10/19/2020] [Indexed: 12/11/2022]
Abstract
Cognitive impairment (CI) is a frequent complication affecting people with multiple sclerosis (MS). The causes of CI in MS are not fully understood. Besides MRI measures, few other biomarkers exist to help us predict the development of CI and understand its biology. MicroRNAs (miRs) are relatively stable, non-coding RNA molecules about 22 nucleotides in length that can serve as biomarkers and possible therapeutic targets in several autoimmune and neurodegenerative diseases, including the dementias. In this review, we identify dysregulated miRs in MS that overlap with dysregulated miRs in cognitive disorders and dementia and explore how these overlapping miRs play a role in CI in MS. MiR-15, miR-21, miR-128, miR-132, miR-138, miR-142, miR-146a, miR-155, miR-181, miR-572, and let-7 are known to contribute to various forms of dementia and show abnormal expression in MS. These overlapping miRs are involved in pathways related to apoptosis, neuroinflammation, glutamate toxicity, astrocyte activation, microglial burst activity, synaptic dysfunction, and remyelination. The mechanisms of action suggest that these miRs may be related to CI in MS. From our review, we also delineated miRs that could be neuroprotective in MS, namely miR-23a, miR-219, miR-214, and miR-22. Further studies can help clarify if these miRs are responsible for CI in MS, leading to potential therapeutic targets.
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Affiliation(s)
- Aditi Vian Varma-Doyle
- Louisiana State University Health Sciences Center -New Orleans School of Medicine, Department of Neurology, New Orleans, United States of America
| | - Walter J Lukiw
- Louisiana State University Health Sciences Center -New Orleans School of Medicine, Department of Neurology, New Orleans, United States of America; Louisiana State University Health Sciences Center - New Orleans Neuroscience Center, United States of America; Louisiana State University Health Sciences Center - New Orleans Department of Ophthalmology, United States of America
| | - Yuhai Zhao
- Louisiana State University Health Sciences Center - New Orleans Department of Cell Biology and Anatomy, United States of America; Louisiana State University Health Sciences Center - New Orleans Neuroscience Center, United States of America
| | - Jesus Lovera
- Louisiana State University Health Sciences Center -New Orleans School of Medicine, Department of Neurology, New Orleans, United States of America.
| | - Deidre Devier
- Louisiana State University Health Sciences Center -New Orleans School of Medicine, Department of Neurology, New Orleans, United States of America; Louisiana State University Health Sciences Center - New Orleans Department of Cell Biology and Anatomy, United States of America.
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Zhang S, Yan ML, Yang L, An XB, Zhao HM, Xia SN, Jin Z, Huang SY, Qu Y, Ai J. MicroRNA-153 impairs hippocampal synaptic vesicle trafficking via downregulation of synapsin I in rats following chronic cerebral hypoperfusion. Exp Neurol 2020; 332:113389. [PMID: 32580014 DOI: 10.1016/j.expneurol.2020.113389] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/02/2020] [Accepted: 06/18/2020] [Indexed: 02/07/2023]
Abstract
Chronic cerebral hypoperfusion (CCH) promotes the development of Alzheimer's pathology. However, whether and how CCH impairs the synaptic vesicle trafficking is still unclear. In the present study, we found that the hippocampal glutamatergic vesicle trafficking was impaired as indicated by a significant shortened delayed response enhancement (DRE) phase in CA3-CA1 circuit and decreased synapsin I in CCH rats suffering from bilateral common carotid artery occlusion (2VO). Further study showed an upregulated miR-153 in the hippocampus of 2VO rats. In vitro, overexpression of miR-153 downregulated synapsin I by binding the 3'UTRs of SYN1 mRNAs, which was prevented by its antisense AMO-153 and miRNA-masking antisense oligodeoxynucleotides (SYN1-ODN). In vivo, the upregulation of miR-153 elicited similar reduced DRE phase and synapsin I deficiency as CCH. Furthermore, miR-153 knockdown rescued the downregulated synapsin I and shortened DRE phase in 2VO rats. Our results demonstrate that CCH impairs hippocampal glutamatergic vesicle trafficking by upregulating miR-153, which suppresses the expression of synapsin I at the post-transcriptional level. These results will provide important references for drug research and treatment of vascular dementia.
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Affiliation(s)
- Shuai Zhang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Mei-Ling Yan
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Lin Yang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Xiao-Bin An
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Hong-Mei Zhao
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Sheng-Nan Xia
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Zhuo Jin
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Si-Yu Huang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Yang Qu
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China
| | - Jing Ai
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, Heilongjiang Province 150086, China.
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Yuan M, Bi X. Therapeutic and Diagnostic Potential of microRNAs in Vascular Cognitive Impairment. J Mol Neurosci 2020; 70:1619-1628. [DOI: 10.1007/s12031-020-01597-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/14/2020] [Indexed: 12/19/2022]
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10
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Yan ML, Zhang S, Zhao HM, Xia SN, Jin Z, Xu Y, Yang L, Qu Y, Huang SY, Duan MJ, Mao M, An XB, Mishra C, Zhang XY, Sun LH, Ai J. MicroRNA-153 impairs presynaptic plasticity by blocking vesicle release following chronic brain hypoperfusion. Cell Commun Signal 2020; 18:57. [PMID: 32252776 PMCID: PMC7137307 DOI: 10.1186/s12964-020-00551-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 03/11/2020] [Indexed: 12/20/2022] Open
Abstract
Background Chronic brain hypoperfusion (CBH) is closely related to Alzheimer’s disease (AD) and vascular dementia (VaD). Meanwhile, synaptic pathology plays a prominent role in the initial stage of AD and VaD. However, whether and how CBH impairs presynaptic plasticity is currently unclear. Methods In the present study, we performed a battery of techniques, including primary neuronal culture, patch clamp, stereotaxic injection of the lentiviral vectors, morris water maze (MWM), dual luciferase reporter assay, FM1–43 fluorescence dye evaluation, qRT-PCR and western blot, to investigate the regulatory effect of miR-153 on hippocampal synaptic vesicle release both in vivo and in vitro. The CBH rat model was generated by bilateral common carotid artery ligation (2VO). Results Compared to sham rats, 2VO rats presented decreased field excitatory postsynaptic potential (fEPSP) amplitude and increased paired-pulse ratios (PPRs) in the CA3-CA1 pathway, as well as significantly decreased expression of multiple vesicle fusion-related proteins, including SNAP-25, VAMP-2, syntaxin-1A and synaptotagmin-1, in the hippocampi. The levels of microRNA-153 (miR-153) were upregulated in the hippocampi of rats following 2VO surgery, and in the plasma of dementia patients. The expression of the vesicle fusion-related proteins affected by 2VO was inhibited by miR-153, elevated by miR-153 inhibition, and unchanged by binding-site mutation or miR masks. FM1–43 fluorescence images showed that miR-153 blunted vesicle exocytosis, but this effect was prevented by either 2′-O-methyl antisense oligoribonucleotides to miR-153 (AMO-153) and miR-masking of the miR-153 binding site in the 3′ untranslated region (3’UTR) of the Snap25, Vamp2, Stx1a and Syt1 genes. Overexpression of miR-153 by lentiviral vector-mediated miR-153 mimics (lenti-pre-miR-153) decreased the fEPSP amplitude and elevated the PPR in the rat hippocampus, whereas overexpression of the antisense molecule (lenti-AMO-153) reversed these changes triggered by 2VO. Furthermore, lenti-AMO-153 attenuated the cognitive decline of 2VO rats. Conclusions Overexpression of miR-153 controls CBH-induced presynaptic vesicle release impairment by posttranscriptionally regulating the expression of four vesicle release-related proteins by targeting the 3’UTRs of the Stx1a, Snap25, Vamp2 and Syt1 genes. These findings identify a novel mechanism of presynaptic plasticity impairment during CBH, which may be a new drug target for prevention or treatment of AD and VaD. Video Abstract
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Affiliation(s)
- Mei-Ling Yan
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Shuai Zhang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Hong-Mei Zhao
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Sheng-Nan Xia
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Zhuo Jin
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Yi Xu
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Lin Yang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Yang Qu
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Si-Yu Huang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Ming-Jing Duan
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Meng Mao
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Xiao-Bin An
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Chandan Mishra
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Xin-Yu Zhang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Li-Hua Sun
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China
| | - Jing Ai
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy of Harbin Medical University, Harbin, 150086, Heilongjiang Province, China.
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MicroRNA-132 regulates total protein of Nav1.1 and Nav1.2 in the hippocampus and cortex of rat with chronic cerebral hypoperfusion. Behav Brain Res 2019; 366:118-125. [DOI: 10.1016/j.bbr.2019.03.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 11/23/2022]
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12
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Wu Z, Liu Y, Huang J, Huang Y, Fan L. MiR-206 inhibits epilepsy and seizure-induced brain injury by targeting CCL2. Cytotechnology 2019; 71:809-818. [PMID: 31243650 PMCID: PMC6663963 DOI: 10.1007/s10616-019-00324-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 06/20/2019] [Indexed: 12/13/2022] Open
Abstract
To determine the function of miR-206 in epilepsy. Epileptic rat model was established by intra-amygdala injection of kainic acid (KA). Expression levels of miR-206, C-C Motif Chemokine Ligand 2 (CCL2) and interleukin-1β (Il-1β) in hippocampus tissues was measured by reverse transcription-quantitative PCR (RT-qPCR) and western blot. Dual luciferase reporter assay was performed to determine the binding of miR-206 to 3' untranslated region (UTR) of CCL2. Finally, brain waves were recorded and Hematoxylin and eosin (HE) staining and Nissl's staining were performed on the epileptic rat injected with LPS, miR-206 agomir, adeno-associated virus (AAV) expressed CCL2 alone or in combination. Expression of miR-206 was specially decreased in hippocampus tissues compared to cortex in response to KA induced pathologic brain activity. Enforced expression of miR-206 by injection miR-206 agomir not only decreased seizure activity, but also protected KA-induced neuronal loss. And enforced expression of miR-206 suppressed increase of C-C Motif Chemokine Ligand 2 (CCL2) and interleukin-1β (Il-1β) which were induced by injection of KA or KA combined with lipopolysaccharide (LPS). Further more, results of dual luciferase reporter assay confirmed CCL2 was a target of miR-206. Finally, co-injection adeno-associated virus (AAV) expressed CCL2 with miR-206 agomir abolished the function of miR-206 agomir. Taken together, our results showed that expression of miR-206 could inhibit seizure-induced brain injury by targeting CCL2. Our results showed that expression of miR-206 could inhibit seizure-induced brain injury by targeting CCL2.
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Affiliation(s)
- Zhenggang Wu
- Department of Neurology, Taizhou People's Hospital, 366 Taihu Road, Taizhou Medicine High-tech Zone, Taizhou City, 225300, Jiangsu Province, China.
| | - Ying Liu
- Department of Neurology, Taizhou People's Hospital, 366 Taihu Road, Taizhou Medicine High-tech Zone, Taizhou City, 225300, Jiangsu Province, China
| | - Jing Huang
- Department of Neurology, Taizhou People's Hospital, 366 Taihu Road, Taizhou Medicine High-tech Zone, Taizhou City, 225300, Jiangsu Province, China
| | - Yujing Huang
- Department of Neurology, Taizhou People's Hospital, 366 Taihu Road, Taizhou Medicine High-tech Zone, Taizhou City, 225300, Jiangsu Province, China
| | - Lin Fan
- Department of Neurology, Taizhou People's Hospital, 366 Taihu Road, Taizhou Medicine High-tech Zone, Taizhou City, 225300, Jiangsu Province, China
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13
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Zhao H, Huang Y, Shi J, Dai Y, Wu L, Zhou H. ABCC10 Plays a Significant Role in the Transport of Gefitinib and Contributes to Acquired Resistance to Gefitinib in NSCLC. Front Pharmacol 2018; 9:1312. [PMID: 30515095 PMCID: PMC6256088 DOI: 10.3389/fphar.2018.01312] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 10/29/2018] [Indexed: 11/25/2022] Open
Abstract
Gefitinib, an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (EGFR-TKI), is used clinically as first-line therapy in patients with advanced non-small cell lung cancer (NSCLC) with EGFR activating mutations, but the inevitable development of acquired resistance limits its efficacy. In up to 30–40% of NSCLC cases, the mechanism underlying acquired resistance remains unknown. ATP-binding cassette (ABC) transporters are a family of membrane proteins that can significantly influence the bioavailability of numerous drugs, and have confirmed to play an essential role in multidrug resistance (MDR) in cancer chemotherapy. However, their role in acquired resistance to gefitnib in NSCLC has not been well studied. Here, through RNA sequencing (RNA-Seq) technology we assessed the differentially expressed ABC transporters in gefitinib-sensitive (PC9 and H292) and gefitinib-resistant (PC9/GR and H292/GR) NSCLC cells, with ABCC10 identified as a transporter of interest. Both ABCC10 mRNA and protein were significantly increased in acquired gefitinib-resistant NSCLC cells, independent of EGFR mutation status. In vitro transport assay showed that ABCC10 could actively efflux gefitinib, with an efflux ratio (ER) of 7.8. Further results from in vitro cell line models and in vivo xenograft models showed that overexpression of ABCC10 led to a reduction in gefitinib sensitivity through decreasing the intracellular gefitinib accumulation. Our data suggest that ABCC10 has an important role in acquired resistance to gefitinib in NSCLC, which can serve as a novel predictive marker and a potential therapeutic target in gefitinib treatment.
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Affiliation(s)
- Hongbo Zhao
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Yutang Huang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Jingjing Shi
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Yi Dai
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Lanxiang Wu
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Honghao Zhou
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China.,Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Central South University, Changsha, China
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14
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Abstract
PURPOSE OF REVIEW The goal of this focused review is to describe recent studies supporting a critical role of microRNAs in the regulation of ion channels and discuss the resulting implications for the modulation of neuronal excitability in epilepsy. RECENT FINDINGS MicroRNA-induced silencing of ion channels has been shown in several different studies in recent years, and some of these reports suggest a prominent role in epilepsy. The ion channels regulated by microRNAs include ligand- and voltage-gated channels and are not only limited to the central nervous system but have also been found in the peripheral nervous system. Ion channel-targeting microRNAs can regulate the intrinsic excitability of neurons, and thus influence entire networks in the brain. Their dysregulation in epilepsy may contribute to the disease phenotype. More research is needed to better understand the molecular mechanisms of how microRNAs regulate ion channels to control neuronal excitability, and how these processes are altered in epilepsy.
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15
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Sun LL, Duan MJ, Ma JC, Xu L, Mao M, Biddyut D, Wang Q, Yang C, Zhang S, Xu Y, Yang L, Tian Y, Liu Y, Xia SN, Li KX, Jin Z, Xiong Q, Ai J. Myocardial infarction-induced hippocampal microtubule damage by cardiac originating microRNA-1 in mice. J Mol Cell Cardiol 2018; 120:12-27. [DOI: 10.1016/j.yjmcc.2018.05.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/29/2018] [Accepted: 05/12/2018] [Indexed: 12/14/2022]
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16
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Diao H, Liu B, Shi Y, Song C, Guo Z, Liu N, Song X, Lu Y, Lin X, Li Z. MicroRNA-210 alleviates oxidative stress-associated cardiomyocyte apoptosis by regulating BNIP3. Biosci Biotechnol Biochem 2017; 81:1712-1720. [PMID: 28661226 DOI: 10.1080/09168451.2017.1343118] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Oxidative stress-induced myocardial apoptosis and necrosis are involved in ischemia/reperfusion (I/R) injury. This study was performed to investigate microRNA (miR)-210's role in oxidative stress-related myocardial damage. The expression of miR-210 was upregulated in myocardial tissues of I/R rats, while that of Bcl-2 adenovirus E1B 19kDa-interacting protein 3 (BNIP3) was downregulated. To simulate in vivo oxidative stress, H9c2 cells were treated with H2O2 for 48 h. MiR-210 level was increased upon H2O2 stimulation, peaked at 8 h, and then decreased. An opposite expression pattern of BNIP3 was observed. BNIP3 was demonstrated as a direct target of miR-210 via luciferase reporter assay. H2O2-induced cell apoptosis was attenuated by miR-210 mimics, whereas aggravated by miR-210 inhibitor. MiR-210 knockdown-induced cell apoptosis in presence of H2O2 was attenuated by BNIP3 siRNA. Our work demonstrates that miR-210 plays a protective role in H2O2-induced cardiomyocyte apoptosis at least by regulating the pro-apoptotic BNIP3.
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Affiliation(s)
- Hongying Diao
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Bin Liu
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Yongfeng Shi
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Chunli Song
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Ziyuan Guo
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Ning Liu
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Xianjing Song
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Yang Lu
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Xiaoye Lin
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
| | - Zhuoran Li
- a Department of Cardiology , The Second Hospital of Jilin University , Changchun , People's Republic of China
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17
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Chen X, Jiang XM, Zhao LJ, Sun LL, Yan ML, Tian Y, Zhang S, Duan MJ, Zhao HM, Li WR, Hao YY, Wang LB, Xiong QJ, Ai J. MicroRNA-195 prevents dendritic degeneration and neuron death in rats following chronic brain hypoperfusion. Cell Death Dis 2017; 8:e2850. [PMID: 28569780 PMCID: PMC5520902 DOI: 10.1038/cddis.2017.243] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/16/2017] [Accepted: 04/27/2017] [Indexed: 02/07/2023]
Abstract
Impaired synaptic plasticity and neuron loss are hallmarks of Alzheimer’s disease and vascular dementia. Here, we found that chronic brain hypoperfusion (CBH) by bilateral common carotid artery occlusion (2VO) decreased the total length, numbers and crossings of dendrites and caused neuron death in rat hippocampi and cortices. It also led to increase in N-terminalβ-amyloid precursor protein (N-APP) and death receptor-6 (DR6) protein levels and in the activation of caspase-3 and caspase-6. Further study showed that DR6 protein was downregulated bymiR-195overexpression, upregulated bymiR-195inhibition, and unchanged by binding-site mutation and miR-masks. Knockdown of endogenousmiR-195by lentiviral vector-mediated overexpression of its antisense molecule (lenti-pre-AMO-miR-195) decreased the total length, numbers and crossings of dendrites and neuron death, upregulated N-APP and DR6 levels, and elevated cleaved caspase-3 and caspase-6 levels. Overexpression ofmiR-195using lenti-pre-miR-195prevented these changes triggered by 2VO. We conclude thatmiR-195is involved in CBH-induced dendritic degeneration and neuron death through activation of the N-APP/DR6/caspase pathway.
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Affiliation(s)
- Xin Chen
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China.,Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Xue-Mei Jiang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Lin-Jing Zhao
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Lin-Lin Sun
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Mei-Ling Yan
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - You Tian
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Shuai Zhang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Ming-Jing Duan
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Hong-Mei Zhao
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Wen-Rui Li
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Yang-Yang Hao
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Li-Bo Wang
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy of Harbin Medical University, Harbin 150086, China
| | - Qiao-Jie Xiong
- Department of Neurobiology and Behavior, SUNY at Stony Brook, Stony Brook, NY 1794, USA
| | - Jing Ai
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Harbin 150086, China
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18
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Zostawa J, Adamczyk J, Sowa P, Adamczyk-Sowa M. The influence of sodium on pathophysiology of multiple sclerosis. Neurol Sci 2017; 38:389-398. [PMID: 28078565 PMCID: PMC5331099 DOI: 10.1007/s10072-016-2802-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 12/19/2016] [Indexed: 01/06/2023]
Abstract
Multiple sclerosis (MS) is a chronic, inflammatory, autoimmune disease of the central nervous system, and is an important cause of disability in young adults. In genetically susceptible individuals, several environmental factors may play a partial role in the pathogenesis of MS. Some studies suggests that high-salt diet (>5 g/day) may contribute to the MS and other autoimmune disease development through the induction of pathogenic Th17 cells and pro-inflammatory cytokines in both humans and mice. However, the precise mechanisms of pro-inflammatory effect of sodium chloride intake are not yet explained. The purpose of this review was to discuss the present state of knowledge on the potential role of environmental and dietary factors, particularly sodium chloride on the development and course of MS.
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Affiliation(s)
- Jacek Zostawa
- Department of Neurology in Zabrze, Medical University of Silesia, ul. 3-go Maja 13-15, 41-800, Zabrze, Poland
| | - Jowita Adamczyk
- Department of Neurology in Zabrze, Medical University of Silesia, ul. 3-go Maja 13-15, 41-800, Zabrze, Poland.
| | - Paweł Sowa
- Department of Otorhinolaryngology and Oncological Laryngology, Medical University of Silesia, ul. C. Skłodowskiej 10, 41-800, Zabrze, Poland
| | - Monika Adamczyk-Sowa
- Department of Neurology in Zabrze, Medical University of Silesia, ul. 3-go Maja 13-15, 41-800, Zabrze, Poland
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19
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Lee YJ, Moon SU, Park MG, Jung WY, Park YK, Song SK, Ryu JG, Lee YS, Heo HJ, Gu HN, Cho SJ, Ali BA, Al-Khedhairy AA, Lee I, Kim S. Multiplex bioimaging of piRNA molecular pathway-regulated theragnostic effects in a single breast cancer cell using a piRNA molecular beacon. Biomaterials 2016; 101:143-55. [PMID: 27289065 DOI: 10.1016/j.biomaterials.2016.05.052] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 05/18/2016] [Accepted: 05/24/2016] [Indexed: 12/17/2022]
Abstract
Recently, PIWI-interacting small non-coding RNAs (piRNAs) have emerged as novel cancer biomarkers candidate because of their high expression level in various cancer types and role in the control of tumor suppressor genes. In this study, a novel breast cancer theragnostics probe based on a single system targeting the piRNA-36026 (piR-36026) molecular pathway was developed using a piR-36026 molecular beacon (MB). The piR-36026 MB successfully visualized endogenous piR-36026 biogenesis, which is highly expressed in MCF7 cells (a human breast cancer cell line), and simultaneously inhibited piR-36026-mediated cancer progression in vitro and in vivo. We discovered two tumor suppressor proteins, SERPINA1 and LRAT, that were directly regulated as endogenous piR-36026 target genes in MCF7 cells. Furthermore, multiplex bioimaging of a single MCF7 cell following treatment with piR-36026 MB clearly visualized the direct molecular interaction of piRNA-36026 with SERPINA1 or LRAT and subsequent molecular therapeutic responses including caspase-3 and PI in the nucleus.
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Affiliation(s)
- Youn Jung Lee
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Sung Ung Moon
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Min Geun Park
- Department of Surgery, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea
| | - Woon Yong Jung
- Department of Pathology, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea
| | - Yong Keun Park
- Department of Surgery, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea
| | - Sung Kyu Song
- Department of Surgery, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea
| | - Je Gyu Ryu
- Department of Surgery, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea
| | - Yong Seung Lee
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Hye Jung Heo
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Ha Na Gu
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Su Jeong Cho
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea
| | - Bahy A Ali
- Al-Jeraisy DNA Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia; Department of Nucleic Acids Research, Genetic Engineering and Biotechnology Research Institute, City for Scientific Research and Technological Applications, Alexandria, Egypt
| | - Abdulaziz A Al-Khedhairy
- Al-Jeraisy DNA Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ilkyun Lee
- Department of Surgery, Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea.
| | - Soonhag Kim
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 270-701, Republic of Korea; Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, 404-834, Republic of Korea.
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