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Serra M, Simola N, Pollack AE, Costa G. Brain dysfunctions and neurotoxicity induced by psychostimulants in experimental models and humans: an overview of recent findings. Neural Regen Res 2024; 19:1908-1918. [PMID: 38227515 DOI: 10.4103/1673-5374.390971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 11/10/2023] [Indexed: 01/17/2024] Open
Abstract
Preclinical and clinical studies indicate that psychostimulants, in addition to having abuse potential, may elicit brain dysfunctions and/or neurotoxic effects. Central toxicity induced by psychostimulants may pose serious health risks since the recreational use of these substances is on the rise among young people and adults. The present review provides an overview of recent research, conducted between 2018 and 2023, focusing on brain dysfunctions and neurotoxic effects elicited in experimental models and humans by amphetamine, cocaine, methamphetamine, 3,4-methylenedioxymethamphetamine, methylphenidate, caffeine, and nicotine. Detailed elucidation of factors and mechanisms that underlie psychostimulant-induced brain dysfunction and neurotoxicity is crucial for understanding the acute and enduring noxious brain effects that may occur in individuals who use psychostimulants for recreational and/or therapeutic purposes.
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Affiliation(s)
- Marcello Serra
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Cagliari, Italy
| | - Nicola Simola
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Cagliari, Italy
| | - Alexia E Pollack
- Department of Biology, University of Massachusetts-Boston, Boston, MA, USA
| | - Giulia Costa
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Cagliari, Italy
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Wang Q, Shi Y, Bian Q, Zhang N, Wang M, Wang J, Li X, Lai L, Zhao Z, Yu H. Molecular mechanisms of syncytin-1 in tumors and placental development related diseases. Discov Oncol 2023; 14:104. [PMID: 37326913 DOI: 10.1007/s12672-023-00702-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 05/25/2023] [Indexed: 06/17/2023] Open
Abstract
Human endogenous retroviruses (HERVs) have evolved from exogenous retroviruses and account for approximately 8% of the human genome. A growing number of findings suggest that the abnormal expression of HERV genes is associated with schizophrenia, multiple sclerosis, endometriosis, breast cancer, bladder cancer and other diseases. HERV-W env (syncytin-1) is a membrane glycoprotein which plays an important role in placental development. It includes embryo implantation, fusion of syncytiotrophoblasts and of fertilized eggs, and immune response. The abnormal expression of syncytin-1 is related to placental development-related diseases such as preeclampsia, infertility, and intrauterine growth restriction, as well as tumors such as neuroblastoma, endometrial cancer, and endometriosis. This review mainly focused on the molecular interactions of syncytin-1 in placental development-related diseases and tumors, to explore whether syncytin-1 can be an emerging biological marker and potential therapeutic target.
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Affiliation(s)
- Qianqian Wang
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Ying Shi
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Qiang Bian
- Collaborative Innovation Center, Jining Medical University, Jining, 272067, Shandong, People's Republic of China
- Department of Pathophysiology, Weifang Medical University, Weifang, 261053, Shandong, People's Republic of China
| | - Naibin Zhang
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Meng Wang
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Jianing Wang
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Xuan Li
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China
| | - Luhao Lai
- Collaborative Innovation Center, Jining Medical University, Jining, 272067, Shandong, People's Republic of China
| | - Zhankui Zhao
- The Affiliated Hospital of Jining Medical University, Jining Medical University, 89 Guhuai Road, Jining, 272029, Shandong, People's Republic of China.
| | - Honglian Yu
- Department of Biochemistry, Jining Medical University, 133 Hehua Road, Jining, 272067, Shandong, People's Republic of China.
- Collaborative Innovation Center, Jining Medical University, Jining, 272067, Shandong, People's Republic of China.
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Frachini ECG, Selva JSG, Falcoswki PC, Silva JB, Cornejo DR, Bertotti M, Ulrich H, Petri DFS. Caffeine Release from Magneto-Responsive Hydrogels Controlled by External Magnetic Field and Calcium Ions and Its Effect on the Viability of Neuronal Cells. Polymers (Basel) 2023; 15:polym15071757. [PMID: 37050372 PMCID: PMC10097041 DOI: 10.3390/polym15071757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Caffeine (CAF) is a psychostimulant present in many beverages and with rapid bioabsorption. For this reason, matrices that effectuate the sustained release of a low amount of CAF would help reduce the intake frequency and side effects caused by high doses of this stimulant. Thus, in this study, CAF was loaded into magnetic gelatin/alginate (Gel/Alg/MNP) hydrogels at 18.5 mg/ghydrogel. The in vitro release of CAF was evaluated in the absence and presence of an external magnetic field (EMF) and Ca2+. In all cases, the presence of Ca2+ (0.002 M) retarded the release of CAF due to favorable interactions between them. Remarkably, the release of CAF from Gel/Alg/MNP in PBS/CaCl2 (0.002 M) at 37 °C under an EMF was more sustained due to synergic effects. In PBS/CaCl2 (0.002 M) and at 37 °C, the amounts of CAF released after 45 min from Gel/Alg and Gel/Alg/MNP/EMF were 8.3 ± 0.2 mg/ghydrogel and 6.1 ± 0.8 mg/ghydrogel, respectively. The concentration of CAF released from Gel/Alg and Gel/Alg/MNP hydrogels amounted to ~0.35 mM, thereby promoting an increase in cell viability for 48 h. Gel/Alg and Gel/Alg/MNP hydrogels can be applied as reservoirs to release CAF at suitable concentrations, thus forestalling possible side effects and improving the viability of SH-SY5Y cells.
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Affiliation(s)
- Emilli C. G. Frachini
- Departament of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Jéssica S. G. Selva
- Departament of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Paula C. Falcoswki
- Departament of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Jean B. Silva
- Departament of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Daniel R. Cornejo
- Institute of Physics, University of São Paulo, São Paulo 05508-090, Brazil
| | - Mauro Bertotti
- Departament of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Henning Ulrich
- Departament of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Denise F. S. Petri
- Departament of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-000, Brazil
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Zhao P, Liu W, Ye L. Exploring the Biological Mechanism of Mammalian Phosphatidylinositol-3-Kinase/Protein Kinase B/Target of Rapamycin (PI3K/Akt/mTOR) Signaling in the Treatment of Triple-Negative Breast Cancer (TNBC). J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.3184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We aimed to study the biological effect of PI3K/Akt/mTOR signal pathway on the treatment of TNBC, along with the efficiency of PI3K inhibitor BKM120, mTOR inhibitor PF-4708671 and dual inhibitor GDC-0980 on treating breast cancer in terms of proliferation and apoptosis utilizing MDA-MB-213
cell line, as well as on the expression of S6K1. The expressions of PI3K, mTOR and Akt in TNBC and paired adjacent tissues were detected by PCR. After treatment with BKM120, PF-4708671 and GDC-0980 for 24, 48, 72 and 96 hours, CCK-8 method was employed to assess the proliferation and apoptosis
curves of the MDA-MB-231 cell line, the expression of S6K1 was detected by Western Blot. Expressions of PI3K, mTOR and Akt in TNBC tissues were significantly increased than those in normal specimens (P = 0.000); Compared with control group, cell proliferation treated with three inhibitors
was significantly impeded, of which the inhibitory effect of PF-5708671 was slightly stronger than BKM120, while the strongest inhibitory effect was observed for GDC-0980 treatment. After 48 hours treatment, the expression intensity of p-mTOR, p-PI3K and S6K1 in MDA-MB-213 cells treated with
BKM120, PF-4708671 and GDC-0980 was decreased, of which the suppression of p-mTOR, p-PI3K and S6K1 by GDC-0980 was stronger than other groups. The inclined expression of PI3K, mTOR and Akt was observed in TNBC tissues. The antagonists targeting the PI3K/Akt/mTOR signaling could inhibit the
proliferation of triple-negative breast cancer cell line, of which the dual inhibitor exerted the strongest inhibition effect, and could decreased the expression of S6K1 and activity. The antagonists targeting the PI3K/Akt/mTOR signal transduction showed a promising prospect in the treatment
of TNBC.
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Affiliation(s)
- Ping Zhao
- Department of Thyroid and Breast Surgery, Jingmen No.2 People’s Hospital, Jingmen, Hubei, 448000, China
| | - Wu Liu
- Department of Thyroid and Breast Surgery, Jingmen No.2 People’s Hospital, Jingmen, Hubei, 448000, China
| | - Lun Ye
- Department of Emergency, Jiangjin Central Hospital of Chongqing, Chongqing, 402260, China
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Vulin I, Tenji D, Teodorovic I, Kaisarevic S. Assessment of caffeine neurotoxicity using novel biomarkers of neural function in SH-SY5Y cells - Is there a need for environmental concern? Chem Biol Interact 2022; 365:110082. [PMID: 35940281 DOI: 10.1016/j.cbi.2022.110082] [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: 07/11/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 11/03/2022]
Abstract
Worldwide usage of caffeine results in its constant release into the aquatic environment and growing concerns related to associated risks. We assessed (neuro)toxicity of environmentally relevant concentrations of caffeine, using novel biomarkers of neural function in SH-SY5Y cells and markers of general toxicity also in HepG2 cells. The RQ-PCR analyses showed that caffeine disturbs the expression of genes encoding several key elements of neurotransmitter pathways, with the most prominent responses observed for serotonin receptor 3A, dopamine receptor D2, monoamine oxidase B and GABA-transaminase. Expression of genes encoding synaptotagmin 10 involved in exocytosis of neurotransmitters and ATPase Na+/K+ transporting subunit alpha 3 was also disturbed. Caffeine stimulated the activity of monoamine oxidase, while cytotoxicity and effects on mitochondrial membrane potential were not observed. Our study points out the new possible molecular targets of caffeine and suggests that the raising concerns related to its growing environmental presence are justified.
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Affiliation(s)
- Irina Vulin
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Laboratory for Ecophysiology and Ecotoxicology - LECOTOX, Novi Sad, Serbia
| | - Dina Tenji
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Laboratory for Ecophysiology and Ecotoxicology - LECOTOX, Novi Sad, Serbia
| | - Ivana Teodorovic
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Laboratory for Ecophysiology and Ecotoxicology - LECOTOX, Novi Sad, Serbia
| | - Sonja Kaisarevic
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Laboratory for Ecophysiology and Ecotoxicology - LECOTOX, Novi Sad, Serbia.
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MEK1/2 inhibitors induce class I alcohol dehydrogenase (ADH1) expression by regulating farnesoid X receptor in hepatic cell lines and C57BL/6J mouse. Mol Biol Rep 2022; 49:5843-5852. [PMID: 35338439 DOI: 10.1007/s11033-022-07361-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: 10/19/2021] [Accepted: 03/10/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Alcohol is mainly catabolized by class I alcohol dehydrogenase (ADH1) in liver. ADH deficiency can aggravate ethanol-induced tissue injury. Extracellular signal-regulated kinases 1/2 (ERK1/2) is involved in alcohol metabolism. However, the relationship between ERK1/2 and ADH1 remains unclear. METHODS AND RESULTS To inhibit ERK1/2, HepG2 and BNL cells were treated with mitogen-activated protein kinases 1/2 (MEK1/2) inhibitors (U0126 and PD98059), and C57BL/6J mice were fed U0126. After treatment, the protein and mRNA expression of ADH1 were determined by Western blot and quantitative real time-PCR. The activity of ADH1 promoter was detected using luciferase assay. The results showed MEK1/2 inhibitors significantly increased ADH1 protein expression by inducing its transcription activity. Then we demonstrated a farnesoid X receptor (FXR) response element (FXRE) in ADH1 promoter by ChIP assay. To test whether FXR mediates the induction of MEK1/2 inhibitors on ADH1, HepG2 cells were transfected with FXR siRNA or ADH1 promoters with FXRE mutation. We found both FXR siRNA and FXRE mutation in ADH1 promoter abolished MEK1/2 inhibitors-induced ADH1 expression, indicating the activation of MEK1/2 inhibitors on ADH1 depends on FXR. CONCLUSIONS Our findings revealed inhibition of ERK1/2 can significantly increase ADH1 expression, indicating MEK1/2 inhibitors may possess potential application in alcohol-related diseases.
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Kim D, Hwang HY, Kwon HJ. A natural small molecule induces MAPT clearance via mTOR-independent autophagy. Biochem Biophys Res Commun 2021; 568:30-36. [PMID: 34174539 DOI: 10.1016/j.bbrc.2021.06.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 06/17/2021] [Indexed: 10/21/2022]
Abstract
Autophagy, the process of lysosomal degradation of biological materials within cells, is often halted abnormally in proteopathies, such as tauopathy and amyloidopathy. Thus, autophagy regulators that rescue dysregulated autophagy have great potential to treat proteopathies. We previously reported that the natural small molecule kaempferide (Kaem) induces autophagy without perturbing mTOR signaling. Here, we report that Kaem promotes lysosomal degradation of microtubule-associated protein tau (MAPT) in inducible MAPT cells. Kaem enhanced autophagy flux by mitigating microtubule-associated protein 1 light chain 3 (LC3) accumulation when MAPT expression was induced. Kaem also promoted activation of transcription factor EB (TFEB) without inhibiting mTOR and without mTOR inhibition-mediated cytotoxicity. In addition, Kaem-induced MAPT degradation was abolished in the absence of mitochondrial elongation factor Tu (TUFM), which was previously shown to be a direct binding partner of Kaem. Collectively, these results demonstrate that Kaem could be a potential therapeutic for tauopathy and reveal that TUFM can be a drug target for autophagy-driven disorders.
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Affiliation(s)
- Dasol Kim
- Chemical Genomics Global Research Laboratory, Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Hui-Yun Hwang
- Chemical Genomics Global Research Laboratory, Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Ho Jeong Kwon
- Chemical Genomics Global Research Laboratory, Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea.
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