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Kaur H, Sarmah D, Datta A, Borah A, Yavagal DR, Bhattacharya P. Stem cells alleviate OGD/R mediated stress response in PC12 cells following a co-culture: modulation of the apoptotic cascade through BDNF-TrkB signaling. Cell Stress Chaperones 2023; 28:1041-1051. [PMID: 36622548 PMCID: PMC10746664 DOI: 10.1007/s12192-022-01319-4] [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: 08/09/2022] [Revised: 12/02/2022] [Accepted: 12/17/2022] [Indexed: 01/10/2023] Open
Abstract
Apoptosis mediated by endoplasmic reticulum (ER) stress plays a crucial role in several neurovascular disorders, including ischemia/reperfusion injury (I/R injury). Previous in vitro and in vivo studies have suggested that following I/R injury, ER stress is vital for mediating CCAT-enhancer-binding protein homologous protein (CHOP) and caspase-12-dependent apoptosis. However, its modulation in the presence of stem cells and the underlying mechanism of cytoprotection remains elusive. In vivo studies from our lab have reported that post-stroke endovascular administration of stem cells renders neuroprotection and regulates apoptosis mediated by ER stress. In the current study, a more robust in vitro validation has been undertaken to decipher the mechanism of stem cell-mediated cytoprotection. Results from our study have shown that oxygen-glucose deprivation/reoxygenation (OGD/R) potentiated ER stress and apoptosis in the pheochromocytoma 12 (PC12) cell line as evident by the increase of protein kinase R (PKR)-like ER kinase (p-PERK), p-Eukaryotic initiation factor 2α subunit (EIF2α), activation transcription factor 4 (ATF4), CHOP, and caspase 12 expressions. Following the co-culture of PC12 cells with MSCs, ER stress was significantly reduced, possibly via modulating the brain-derived neurotrophic factor (BDNF) signaling. Furthermore, inhibition of BDNF by inhibitor K252a abolished the protective effects of BDNF secreted by MSCs following OGD/R. Our study suggests that inhibition of ER stress-associated apoptotic pathway with MSCs co-culture following OGD/R may help to alleviate cellular injury and further substantiate the use of stem cells as a therapeutic modality toward neuroprotection following hypoxic injury or stroke in clinical settings.
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Affiliation(s)
- Harpreet Kaur
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat, 382355, India
| | - Deepaneeta Sarmah
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat, 382355, India
| | - Aishika Datta
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat, 382355, India
| | - Anupom Borah
- Cellular and Molecular Neurobiology Laboratory, Department of Life Science and Bioinformatics, Assam University, Silchar, 788011, Assam, India
| | - Dileep R Yavagal
- Department of Neurology and Neurosurgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat, 382355, India.
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2
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Kazana W, Jakubczyk D, Siednienko J, Zambrowicz A, Macała J, Zabłocka A. Mechanism of Molecular Activity of Yolkin-a Polypeptide Complex Derived from Hen Egg Yolk-in PC12 Cells and Immortalized Hippocampal Precursor Cells H19-7. Mol Neurobiol 2023; 60:2819-2831. [PMID: 36735179 PMCID: PMC10039841 DOI: 10.1007/s12035-023-03246-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 01/24/2023] [Indexed: 02/04/2023]
Abstract
Food-derived bioactive peptides able to regulate neuronal function have been intensively searched and studied for their potential therapeutic application. Our previous study showed that a polypeptide complex yolkin, isolated from hen egg yolk as a fraction accompanying immunoglobulin Y (IgY), improved memory and cognitive functions in rats. However, the mechanism activated by the yolkin is not explained. The goal of the present study was to examine what molecular mechanism regulating brain-derived neurotrophic factor (BDNF) expression is activated by the yolkin complex, using in vitro models of PC12 cell line and fetal rat hippocampal cell line H19-7. It was shown that yolkin increased the proliferative activity of rat hippocampal precursor cells H19-7 cells and upregulated the expression/production of BDNF in a cyclic adenosine monophosphate (cAMP)-response element-binding protein (CREB)-dependent manner. Additionally the upregulation of carboxypeptidase E/neurotrophic factor-α1 (CPE/(NF-α1) expression was shown. It was also determined that upregulation of CREB phosphorylation by yolkin is dependent on cyclic adenosine monophosphate/protein kinase A (cAMP/PKA) and phosphoinositide 3-kinases/protein kinase B (PI3K/Akt) signaling pathway activation. Moreover, the impact of yolkin on the level of intracellular Ca2+, nitric oxide, and activation of extracellular signal-regulated kinases 1/2 (ERK 1/2 kinase) was excluded. These results emphasize that yolkin can act comprehensively and in many directions and may participate in the regulation of neurons' survival and activity. Therefore, it seems that the yolkin specimen can be used in the future as a safe, bioavailable, natural nutraceutical helping to improve the cognition of older people.
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Affiliation(s)
- Wioletta Kazana
- Lab. Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114, Wrocław, Poland
| | - Dominika Jakubczyk
- Lab. Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114, Wrocław, Poland
| | - Jakub Siednienko
- Bioengineering Research Group, Łukasiewicz Research Network-PORT Polish Center for Technology Development, 54-066, Wroclaw, Poland
| | - Aleksandra Zambrowicz
- Department of Functional Food Products Development, Faculty of Biotechnology and Food Sciences, Wrocław, University of Environmental and Life Sciences, Chełmońskiego 37, 51-630, Wrocław, Poland
| | - Józefa Macała
- Lab. Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114, Wrocław, Poland
| | - Agnieszka Zabłocka
- Lab. Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114, Wrocław, Poland.
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Dayob K, Zengin A, Garifullin R, Guler MO, Abdullin TI, Yergeshov A, Salakhieva DV, Cong HH, Zoughaib M. Metal-Chelating Self-Assembling Peptide Nanofiber Scaffolds for Modulation of Neuronal Cell Behavior. MICROMACHINES 2023; 14:883. [PMID: 37421116 DOI: 10.3390/mi14040883] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/15/2023] [Accepted: 04/18/2023] [Indexed: 07/09/2023]
Abstract
Synthetic peptides are promising structural and functional components of bioactive and tissue-engineering scaffolds. Here, we demonstrate the design of self-assembling nanofiber scaffolds based on peptide amphiphile (PA) molecules containing multi-functional histidine residues with trace metal (TM) coordination ability. The self-assembly of PAs and characteristics of PA nanofiber scaffolds along with their interaction with Zn, Cu, and Mn essential microelements were studied. The effects of TM-activated PA scaffolds on mammalian cell behavior, reactive oxygen species (ROS), and glutathione levels were shown. The study reveals the ability of these scaffolds to modulate adhesion, proliferation, and morphological differentiation of neuronal PC-12 cells, suggesting a particular role of Mn(II) in cell-matrix interaction and neuritogenesis. The results provide a proof-of-concept for the development of histidine-functionalized peptide nanofiber scaffolds activated with ROS- and cell-modulating TMs to induce regenerative responses.
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Affiliation(s)
- Kenana Dayob
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
| | - Aygul Zengin
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Ruslan Garifullin
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Department of Aeronautical Engineering, University of Turkish Aeronautical Association, Türkkuşu Kampüsü, Ankara 06790, Turkey
| | - Mustafa O Guler
- The Pritzker School of Molecular Engineering, The University of Chicago, Chicago, IL 60637, USA
| | - Timur I Abdullin
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
| | - Abdulla Yergeshov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
| | - Diana V Salakhieva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
| | - Hong Hanh Cong
- Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet St., Hanoi 100000, Vietnam
| | - Mohamed Zoughaib
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia
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4
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Mattern L, Otten K, Miskey C, Fuest M, Izsvák Z, Ivics Z, Walter P, Thumann G, Johnen S. Molecular and Functional Characterization of BDNF-Overexpressing Human Retinal Pigment Epithelial Cells Established by Sleeping Beauty Transposon-Mediated Gene Transfer. Int J Mol Sci 2022; 23:12982. [PMID: 36361771 PMCID: PMC9656812 DOI: 10.3390/ijms232112982] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/30/2022] [Accepted: 10/25/2022] [Indexed: 04/12/2024] Open
Abstract
More and more patients suffer from multifactorial neurodegenerative diseases, such as age-related macular degeneration (AMD). However, their pathological mechanisms are still poorly understood, which complicates the development of effective therapies. To improve treatment of multifactorial diseases, cell-based gene therapy can be used to increase the expression of therapeutic factors. To date, there is no approved therapy for dry AMD, including late-stage geographic atrophy. We present a treatment option for dry AMD that transfers the brain-derived neurotrophic factor (BDNF) gene into retinal pigment epithelial (RPE) cells by electroporation using the plasmid-based Sleeping Beauty (SB) transposon system. ARPE-19 cells and primary human RPE cells were co-transfected with two plasmids encoding the SB100X transposase and the transposon carrying a BDNF transcription cassette. We demonstrated efficient expression and secretion of BDNF in both RPE cell types, which were further increased in ARPE-19 cell cultures exposed to hydrogen peroxide. BDNF-transfected cells exhibited lower apoptosis rates and stimulated neurite outgrowth in human SH-SY5Y cells. This study is an important step in the development of a cell-based BDNF gene therapy that could be applied as an advanced therapy medicinal product to treat dry AMD or other degenerative retinal diseases.
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Affiliation(s)
- Larissa Mattern
- Department of Ophthalmology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Katrin Otten
- Department of Ophthalmology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Csaba Miskey
- Division of Medical Biotechnology, Paul-Ehrlich-Institute, 63225 Langen, Germany
| | - Matthias Fuest
- Department of Ophthalmology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Zsuzsanna Izsvák
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Zoltán Ivics
- Division of Medical Biotechnology, Paul-Ehrlich-Institute, 63225 Langen, Germany
| | - Peter Walter
- Department of Ophthalmology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Gabriele Thumann
- Department of Ophthalmology, University Hospitals of Geneva, 1205 Geneva, Switzerland
- Experimental Ophthalmology, University of Geneva, 1205 Geneva, Switzerland
| | - Sandra Johnen
- Department of Ophthalmology, University Hospital RWTH Aachen, 52074 Aachen, Germany
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5
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Brain-derived neurotrophic factor (BDNF): a multifaceted marker in chronic kidney disease. Clin Exp Nephrol 2022; 26:1149-1159. [DOI: 10.1007/s10157-022-02268-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/18/2022] [Indexed: 11/03/2022]
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6
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Ionescu-Tucker A, Tong L, Berchtold NC, Cotman CW. Inhibiting BDNF Signaling Upregulates Hippocampal H3K9me3 in a Manner Dependent On In Vitro Aging and Oxidative Stress. FRONTIERS IN AGING 2022; 3:796087. [PMID: 35821854 PMCID: PMC9261402 DOI: 10.3389/fragi.2022.796087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 04/11/2022] [Indexed: 01/14/2023]
Abstract
Histone modifications are key contributors to the cognitive decline that occurs in aging and Alzheimer's disease. Our lab has previously shown that elevated H3K9me3 in aged mice is correlated with synaptic loss, cognitive impairment and a reduction in brain derived neurotrophic factor (BDNF). However, the mechanism of H3K9me3 regulation remains poorly understood. In this study, we investigated the role of age-associated stressors on H3K9me3 regulation and examined if changes in H3K9me3 were age dependent. We used cultured hippocampal neurons at 6, 12, and 21 days in vitro (DIV) to examine the effect of different stressors on H3K9me3 across neuron ages. We found that the oxidative stressor hydrogen peroxide (H2O2) does not induce H3K9me3 in 12 DIV neurons. Inhibiting BDNF signaling via TrkB-Fc elevated H3K9me3 in 12 and 21 DIV neurons compared to 6 DIV neurons. Antioxidant treatment prevented H3K9me3 elevation in 12 DIV neurons treated with TrkB-Fc and H2O2. H2O2 elevated the epigenetic regulator SIRT1 in 6 DIV neurons but did not increase H3K9me3 levels. Our findings demonstrate that inhibiting BDNF signaling elevates hippocampal H3K9me3 in a manner dependent on in vitro age and oxidative stress.
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Affiliation(s)
- Andra Ionescu-Tucker
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States,*Correspondence: Andra Ionescu-Tucker,
| | - Liqi Tong
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States,Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, United States
| | - Nicole C. Berchtold
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States,Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, United States
| | - Carl W. Cotman
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States,Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, United States
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7
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Akki R, Siracusa R, Cordaro M, Remigante A, Morabito R, Errami M, Marino A. Adaptation to oxidative stress at cellular and tissue level. Arch Physiol Biochem 2022; 128:521-531. [PMID: 31835914 DOI: 10.1080/13813455.2019.1702059] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Several in vitro and in vivo investigations have already proved that cells and tissues, when pre-exposed to low oxidative stress by different stimuli such as chemical, physical agents and environmental factors, display more resistance against subsequent stronger ischaemic injuries, resulting in an adaptive response known as ischaemic preconditioning (IPC). The aim of this review is to report the most recent knowledge about the complex adaptive mechanisms, including signalling transduction pathways, antioxidant systems, apoptotic and inflammation pathways, underlying cell protection against oxidative damage. In addition, an update about in vivo adaptation strategies in response to ischaemic/reperfusion episodes and brain trauma is also given.
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Affiliation(s)
- Rachid Akki
- Department of Biology, Faculty of Science, University of Abdelmalek Essaadi, Tetouan, Morocco
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Alessia Remigante
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Rossana Morabito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Mohammed Errami
- Department of Biology, Faculty of Science, University of Abdelmalek Essaadi, Tetouan, Morocco
| | - Angela Marino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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Influence of N-Arachidonoyl Dopamine and N-Docosahexaenoyl Dopamine on the Expression of Neurotrophic Factors in Neuronal Differentiated Cultures of Human Induced Pluripotent Stem Cells under Conditions of Oxidative Stress. Antioxidants (Basel) 2022; 11:antiox11010142. [PMID: 35052646 PMCID: PMC8773408 DOI: 10.3390/antiox11010142] [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: 11/22/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 01/27/2023] Open
Abstract
Oxidative stress (OS) is implicated in the pathogenesis of several neurodegenerative diseases. We have previously shown that N-acyl dopamines (N-ADA and N-DDA) protect the neural cells of healthy donors and patients with Parkinson’s disease from OS. In this study, we assessed the effects of N-acyl dopamines on the expression of neurotrophic factors in human-induced pluripotent stem cell-derived neuronal cultures enriched with dopaminergic neurons under conditions of OS induced by hydrogen peroxide. We showed that hydrogen peroxide treatment increased BDNF but not GDNF mRNA levels, while it did not affect the secretion of corresponding proteins into the culture medium of these cells. Application of N-acyl dopamines promoted BDNF release into the culture medium. Under conditions of OS, N-DDA also increased TRKB, TRKC and RET mRNA levels. Furthermore, N-acyl dopamines prevented cell death 24 h after OS induction and promoted the expression of antioxidant enzymes GPX1, GPX7, SOD1, SOD2 and CAT, as well as reduced the BAX/BCL2 mRNA ratio. These findings indicate that stimulation of the expression of neurotrophic factors and their receptors may underlie the neuroprotective effects of N-acyl dopamines in human neurons.
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Tevzadze G, Barbakadze T, Kvergelidze E, Zhuravliova E, Shanshiashvili L, Mikeladze D. Gut neurotoxin p-cresol induces brain-derived neurotrophic factor secretion and increases the expression of neurofilament subunits in PC-12 cells. AIMS Neurosci 2021; 9:12-23. [PMID: 35434277 PMCID: PMC8941194 DOI: 10.3934/neuroscience.2022002] [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: 10/01/2021] [Revised: 11/30/2021] [Accepted: 12/19/2021] [Indexed: 11/18/2022] Open
Abstract
<abstract>
<p>Increased p-cresol levels reportedly alter brain dopamine metabolism and exacerbate neurological disorders in experimental animals. In contrast to toxic concentrations, low doses of p-cresol may have distinct effects on neuronal metabolism. However, the role of p-cresol in synapse remodeling, neurite outgrowth, and other anabolic processes in neurons remains elusive. We propose that low doses of p-cresol affect neuronal cell structural remodeling compared with the high concentration-mediated harmful effects. Thus, the effects of p-cresol on the secretion of brain-derived neurotrophic factor (BDNF) and neurofilament subunit expression were examined using rat pheochromocytoma cells (PC-12 cells). We observed that low doses of p-cresol potentiated nerve growth factor-induced differentiation via secretion of BDNF in cultured PC-12 cells. Opioidergic compounds modulated these p-cresol effects, which were reversed by oxytocin. We propose that this effect of p-cresol has an adaptive and compensatory character and can be attributed to the induction of oxidative stress. Accordingly, we hypothesize that low doses of p-cresol induce mild oxidative stress, stimulating BDNF release by activating redox-sensitive genes. Given that the intestinal microbiome is the primary source of endogenous p-cresol, the balance between gut microbiome strains (especially Clostridium species) and opioidergic compounds may directly influence neuroplasticity.</p>
</abstract>
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Affiliation(s)
- Gigi Tevzadze
- 4-D Research Institute, Ilia State University, 3/5 Cholokashvili av, Tbilisi, 0162, Georgia
| | - Tamar Barbakadze
- School of Natural Sciences and Medicine, Institute of Chemical Biology, Ilia State University, 3/5 Cholokashvili ave, Tbilisi, 0162, Georgia
- I. Beritashvili Center of Experimental Biomedicine 14, Gotua Str., Tbilisi 0160, Georgia
| | - Elisabed Kvergelidze
- School of Natural Sciences and Medicine, Institute of Chemical Biology, Ilia State University, 3/5 Cholokashvili ave, Tbilisi, 0162, Georgia
| | - Elene Zhuravliova
- School of Natural Sciences and Medicine, Institute of Chemical Biology, Ilia State University, 3/5 Cholokashvili ave, Tbilisi, 0162, Georgia
- I. Beritashvili Center of Experimental Biomedicine 14, Gotua Str., Tbilisi 0160, Georgia
| | - Lali Shanshiashvili
- School of Natural Sciences and Medicine, Institute of Chemical Biology, Ilia State University, 3/5 Cholokashvili ave, Tbilisi, 0162, Georgia
- I. Beritashvili Center of Experimental Biomedicine 14, Gotua Str., Tbilisi 0160, Georgia
| | - David Mikeladze
- School of Natural Sciences and Medicine, Institute of Chemical Biology, Ilia State University, 3/5 Cholokashvili ave, Tbilisi, 0162, Georgia
- I. Beritashvili Center of Experimental Biomedicine 14, Gotua Str., Tbilisi 0160, Georgia
- * Correspondence: ; Tel.: +995577421170
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10
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The Antipsychotic D2AAK1 as a Memory Enhancer for Treatment of Mental and Neurodegenerative Diseases. Int J Mol Sci 2020; 21:ijms21228849. [PMID: 33238370 PMCID: PMC7700684 DOI: 10.3390/ijms21228849] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/15/2020] [Accepted: 11/19/2020] [Indexed: 11/23/2022] Open
Abstract
The treatment of memory impairments associated with the central nervous system diseases remains an unmet medical need with social and economic implications. Here we show, that a multi-target ligand of aminergic G protein-coupled receptors with antipsychotic activity in vivo (D2AAK1) stimulates neuron growth and survival and promotes neuron integrity. We focused on the multilevel evaluation of the D2AAK1-related effects on neurons in terms of behavioral, cellular, molecular, and biochemical features in vivo and in vitro, such as memory-related responses, locomotor activity, tissue sections analysis, metabolic activity, proliferation level, neurons morphology, and proteins level involved in intracellular signaling pathways. In silico studies indicate that activation of calcium/calmodulin-dependent protein kinase I (CaMKI) may underline some of the observed activities of the compound. Furthermore, the compound increases hippocampal neuron proliferation via the activation of neurotrophic factors and cooperating signals responsible for cell growth and proliferation. D2AAK1 improves memory and learning processes in mice after both acute and chronic administration. D2AAK1 also causes an increase in the number of hippocampal pyramidal neurons after chronic administration. Because of its neuroprotective properties and pro-cognitive activity in behavioral studies D2AAK1 has the potential for the treatment of memory disturbances in neurodegenerative and mental diseases.
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11
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Zhao X, Li S, Gaur U, Zheng W. Artemisinin Improved Neuronal Functions in Alzheimer's Disease Animal Model 3xtg Mice and Neuronal Cells via Stimulating the ERK/CREB Signaling Pathway. Aging Dis 2020; 11:801-819. [PMID: 32765947 PMCID: PMC7390534 DOI: 10.14336/ad.2019.0813] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 08/13/2019] [Indexed: 01/03/2023] Open
Abstract
The most common form of dementia is Alzheimer’s disease which is characterized by memory loss and cognitive disorders. The pathogenesis of Alzheimer’s disease is not known at present but toxicity of amyloid-beta is one of the central hypotheses. Amyloid-beta can stimulate the production of reactive oxygen species (ROS), cause oxidative stress, damage mitochondrial, cause inflammatory reactions and activate apoptosis related factors which lead to the neuronal death. In this study, we found that artemisinin, a first line antimalarial drug used in clinic for decades, improved the cognitive functions in Alzheimer’s disease animal model 3xTg mice. Further study showed that artemisinin reduced the deposition of amyloid-beta and tau protein, reduced the release of inflammation factors and apoptosis factors, and thereby reduced the neuronal cell death. Western blot assay showed that artemisinin stimulated the activation of ERK/CREB signaling pathway. Consistent with these results, artemisinin concentration-dependently promoted the survival of SH-SY5Y cell against toxicity of amyloid-beta protein 1-42 induced ROS accumulation, caspase activation and apoptosis. Artemisinin also stimulated the phosphorylation of ERK1/2 and CREB in SH-SY5Y cells in time and concentration-dependent manner. Inhibition of ERK/CREB pathway attenuated the protective effect of artemisinin. These data put together suggested that artemisinin has the potential to protect neuronal cells in vitro as well as in vivo animal model 3xTg mice via, at least in part, the activation of the ERK/CREB pathway. Our findings also strongly support the potential of artemisinin as a new multi-target drug that can be used for preventing and treating the Alzheimer’s disease.
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Affiliation(s)
- Xia Zhao
- Center of Reproduction, Development & Aging and Institute of Translation Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Shuai Li
- Center of Reproduction, Development & Aging and Institute of Translation Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Uma Gaur
- Center of Reproduction, Development & Aging and Institute of Translation Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Wenhua Zheng
- Center of Reproduction, Development & Aging and Institute of Translation Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
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12
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Scotton E, Colombo R, Reis JC, Possebon GMP, Hizo GH, Valiati FE, Géa LP, Bristot G, Salvador M, Silva TM, Guerra AE, Lopes TF, Rosa AR, Kunz M. BDNF prevents central oxidative damage in a chronic unpredictable mild stress model: The possible role of PRDX-1 in anhedonic behavior. Behav Brain Res 2019; 378:112245. [PMID: 31539575 DOI: 10.1016/j.bbr.2019.112245] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 09/04/2019] [Accepted: 09/16/2019] [Indexed: 12/18/2022]
Abstract
Prolonged activation of the hypothalamic-pituitary-adrenal (HPA) axis and sustained increase of glucocorticoids have been evidenced in major depression and are related to changes involving neurotrophins and markers of oxidative stress in response to inflammation. This study aimed to evaluate central measures of brain-derived neurotrophic factor (BDNF), oxidative damage and total antioxidant capacity in rats submitted to chronic unpredictable mild stress (CUMS), as well as to investigate the relationship between BDNF levels and differentially processes. For this purpose, male Wistar rats were submitted to CUMS for six weeks. Based on a sucrose preference test (SPT), the animals were divided into anhedonic or non-anhedonic clusters. Afterwards, forced swim test (FST) and open field test (OFT) were performed, and the animals were euthanized. Brain tissue was collected, followed by quantification of oxidative damage, total antioxidant capacity and BDNF levels. Anhedonic behavior was evidenced in stress-susceptible animals through decreased sucrose preference. No differences were found in FST or OFT results. We observed increased BDNF levels in the hippocampus (HPC) of animals exposed to the CUMS protocol, accompanied by decreased total antioxidant capacity, despite the absence of oxidative damage to lipids and proteins. Moreover, we used a bioinformatics approach to identify proteins involved in oxidative stress and inflammation pathways, which were differentially expressed in anhedonic animals from other studies with similar experimental protocol. expressed proteins (DEP) involved in oxidative stress and inflammatory biological Anhedonic behavior was associated with peroxiredoxin-1 (PRDX-1) up-regulation and down-regulation of proteins involved with apoptotic and inflammation signaling (RELA, ASK-1 and TAK-1) in the HPC. Taken together, these data suggest that BDNF and PRDX-1 might be involved in initial stress response, playing a compensatory role by preventing oxidative damage to lipids and proteins through the modulation of antioxidant defense after CUMS in anhedonic animals.
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Affiliation(s)
- Ellen Scotton
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Rafael Colombo
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Universidade de Caxias do Sul (UCS), Caxias do Sul, RS, Brazil.
| | - Jéssica C Reis
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Gabriela M P Possebon
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Gabriel H Hizo
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Fernanda E Valiati
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Bioquímica, UFRGS, Porto Alegre, RS, Brazil.
| | - Luiza P Géa
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Farmacologia e Terapêutica, UFRGS, Porto Alegre, RS, Brazil.
| | - Giovana Bristot
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Bioquímica, UFRGS, Porto Alegre, RS, Brazil.
| | - Mirian Salvador
- Laboratório de estresse oxidativo e antioxidantes, Instituto de Biotecnologia, UCS, Caxias do Sul, RS, Brazil.
| | - Tuani M Silva
- Laboratório de estresse oxidativo e antioxidantes, Instituto de Biotecnologia, UCS, Caxias do Sul, RS, Brazil.
| | - Alessandra E Guerra
- Easy Search Assessoria em Pesquisa, Grupo Diagnose, Caxias do Sul, RS, Brazil.
| | - Tiago F Lopes
- Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Adriane R Rosa
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Farmacologia e Terapêutica, UFRGS, Porto Alegre, RS, Brazil.
| | - Maurício Kunz
- Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
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Gerszon J, Walczak A, Rodacka A. Attenuation of H2O2-induced neuronal cell damage by piceatannol. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.06.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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14
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Wang R, Yan F, Liao R, Wan P, Little PJ, Zheng W. Role of brain-derived neurotrophic factor and nerve growth factor in the regulation of Neuropeptide W in vitro and in vivo. Mol Cell Endocrinol 2017; 447:71-78. [PMID: 28249734 DOI: 10.1016/j.mce.2017.02.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 02/03/2017] [Accepted: 02/25/2017] [Indexed: 01/24/2023]
Abstract
Nerve growth factor (NGF) and Brain-derived neurotrophic factor (BDNF) are neurotrophic factors involved in the growth, survival and functioning of neurons. In addition, a possible role of neurotrophins, particularly BDNF, in HPA axis hyperactivation has recently been proposed. Neuropeptide W (NPW) is an endogenous peptide ligand for the GPR7 and GPR8 and a stress mediator in the hypothalamus. It activates the HPA axis by working on hypothalamic corticotrophin-releasing hormone (CRH). No information is available about the interrelationships between neurotrophines like NGF/BDNF and NPW. We studied the effect and underlying mechanisms of NGF/BDNF on the production of NPW in PC12 cells and hypothalamus. NGF time- and concentration-dependently stimulated the expression of NPW in PC12 cells. The effect of NGF was blocked by the inhibition of PI3K/Akt signal pathway with specific inhibitors for PI3K or AktsiRNA for Akt while inhibition of ERK pathway had no effect. Moreover, BDNF concentration-dependently induced the expression of NPW mRNA and decreased the expression of NPY mRNA in primary cultured hypothalamic neurons which was also blocked by a PI3K kinase inhibitor. Finally, in vivo study showed that exogenous BDNF injected icv increased NPW production in the hypothalamus and this effect was reversed by a PI3 kinase inhibitor. These results and the fact that BDNF was able to stimulate the expression of CRH demonstrated that neurotrophines can modulate the expression of NPW in neuronal cells via the PI3K/Akt pathway and suggest that BDNF might be involved in functions of the HPA axis, at least in part by modulating the expression of NPW/NPY and CRH.
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Affiliation(s)
- Rikang Wang
- Faculty of Health Sciences, University of Macau, Macau, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center and School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China; National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China; Shenzhen Key Laboratory for Anti-ageing and Regenerative Medicine, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Fengxia Yan
- Faculty of Health Sciences, University of Macau, Macau, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center and School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Rifang Liao
- Faculty of Health Sciences, University of Macau, Macau, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center and School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Pei Wan
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Peter J Little
- School of Pharmacy, Pharmacy Australia Centre of Excellence, The University of Queensland, 20 Cornwall St, Woolloongabba, QLD, 4102, Australia
| | - Wenhua Zheng
- Faculty of Health Sciences, University of Macau, Macau, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center and School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.
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Blanco-Lezcano L, Jimenez-Martin J, Díaz-Hung ML, Alberti-Amador E, Wong-Guerra M, González-Fraguela ME, Estupiñán-Díaz B, Serrano-Sánchez T, Francis-Turner L, Delgado-Ocaña S, Núñez-Figueredo Y, Vega-Hurtado Y, Fernández-Jiménez I. Motor dysfunction and alterations in glutathione concentration, cholinesterase activity, and BDNF expression in substantia nigra pars compacta in rats with pedunculopontine lesion. Neuroscience 2017; 348:83-97. [DOI: 10.1016/j.neuroscience.2017.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/19/2017] [Accepted: 02/07/2017] [Indexed: 12/18/2022]
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16
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Kawashima K, Ishiuchi Y, Konnai M, Komatsu S, Sato H, Kawaguchi H, Miyanishi N, Lamartine J, Nishihara M, Nedachi T. Glucose deprivation regulates the progranulin-sortilin axis in PC12 cells. FEBS Open Bio 2017; 7:149-159. [PMID: 28174682 PMCID: PMC5292667 DOI: 10.1002/2211-5463.12164] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 11/08/2016] [Accepted: 11/14/2016] [Indexed: 01/02/2023] Open
Abstract
Progranulin (PGRN) is a growth factor implicated in several neurodegenerative diseases, such as frontotemporal lobar degeneration. Despite its important role in the central nervous system (CNS), the mechanisms controlling PGRN expression in the CNS are largely unknown. Recent evidence, however, suggested that several stressors, such as hypoxia, acidosis, or oxidative stress, induce PGRN expression. The present study was mainly aimed at determining whether and, if so, how glucose deprivation affects PGRN expression in PC12 cells. Initially, it was found that glucose deprivation gradually induced PGRN gene expression in PC12 cells. To elucidate the underlying molecular mechanisms, several intracellular signalings that were modified in response to glucose deprivation were examined. Both adenosine monophosphate kinase (AMPK) activation and changes in osmotic pressure, which are modified by extracellular glucose concentration, had no effect on PGRN gene expression; on the other hand, p38 activation in response to glucose deprivation played an important role in inducing PGRN gene expression. It was also found that expression of sortilin, a PGRN receptor implicated in PGRN endocytosis, was dramatically reduced by glucose deprivation. In contrast to glucose-dependent regulation of PGRN gene expression, AMPK activation played a central role in reducing sortilin expression. Overall, the present study suggests that the PGRN-sortilin axis is modulated by glucose deprivation via two distinct mechanisms. As PGRN is neuroprotective, this system may represent a new neuroprotective mechanism activated by glucose deprivation in the CNS.
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Affiliation(s)
| | - Yuri Ishiuchi
- Graduate School of Life SciencesToyo UniversityOura‐gunGunmaJapan
| | - Miki Konnai
- Department of Applied BiosciencesFaculty of Life SciencesToyo UniversityOura‐gunGunmaJapan
| | - Saori Komatsu
- Department of Applied BiosciencesFaculty of Life SciencesToyo UniversityOura‐gunGunmaJapan
| | - Hitoshi Sato
- Graduate School of Life SciencesToyo UniversityOura‐gunGunmaJapan
| | - Hideo Kawaguchi
- Graduate School of Life SciencesToyo UniversityOura‐gunGunmaJapan
- Department of Applied BiosciencesFaculty of Life SciencesToyo UniversityOura‐gunGunmaJapan
| | - Nobumitsu Miyanishi
- Graduate School of Food and Nutritional SciencesToyo UniversityOura‐gunGunmaJapan
| | | | - Masugi Nishihara
- Graduate School of Agricultural and Life SciencesThe University of TokyoJapan
| | - Taku Nedachi
- Graduate School of Life SciencesToyo UniversityOura‐gunGunmaJapan
- Department of Applied BiosciencesFaculty of Life SciencesToyo UniversityOura‐gunGunmaJapan
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17
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You F, Li Q, Jin G, Zheng Y, Chen J, Yang H. Genistein protects against Aβ 25-35 induced apoptosis of PC12 cells through JNK signaling and modulation of Bcl-2 family messengers. BMC Neurosci 2017; 18:12. [PMID: 28081713 PMCID: PMC5234099 DOI: 10.1186/s12868-016-0329-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 12/27/2016] [Indexed: 01/22/2023] Open
Abstract
Background Deposition of aggregated amyloid beta (Aβ) protein is hallmark of Alzheimer’s disease, leading to dysfunction and apoptosis of neurons. The isoflavone phytoestrogen compound genistein (Gen) exerts a significant protective effect against Aβ25–35 induced neurotoxicity and mitochondrial damage in rat pheochromocytoma (PC12) cells. However, the mechanisms underlying Gen’s rescue remain elusive. Therefore we endeavored to research further the molecular mechanisms underlying Gen’s inhibition of Aβ25–35 induced apoptosis of neurons. Results We found that Gen dramatically suppressed the activation by Aβ25–35 of p-c-Jun N-terminal kinase (p-JNK), and also inhibited the JNK-dependent decreased of Bcl-w and increased of Bim. Furthermore, Gen significantly reduced the cytoplasmic concentrations of cytochrome c and Smac protein as well as caspase-3 activity. Additionally, pretreatment with JNK inhibitor SP600125 effectively suppressed Aβ25–35 induced PC12 cell cytotoxicity. Conclusion Taken together, the results suggested that Gen protects PC12 cells from Aβ25–35 induced neurotoxicity by interfering with p-JNK activation, thus attenuating the JNK-dependent apoptosis through the mitochondrial pathway. These findings constitute novel insights into the pathway for Aβ25–35 toxicity, and the neuroprotective action of Gen. Electronic supplementary material The online version of this article (doi:10.1186/s12868-016-0329-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fuling You
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Qiao Li
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Guifang Jin
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Yaojie Zheng
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Jingrong Chen
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Hong Yang
- Basic Medical College, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China.
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18
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Mansur RB, Santos CM, Rizzo LB, Cunha GR, Asevedo E, Noto MN, Pedrini M, Zeni M, Cordeiro Q, McIntyre RS, Brietzke E. Inter-relation between brain-derived neurotrophic factor and antioxidant enzymes in bipolar disorder. Bipolar Disord 2016; 18:433-9. [PMID: 27488494 DOI: 10.1111/bdi.12418] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 06/28/2016] [Accepted: 07/01/2016] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Accumulating evidence indicates that oxidative stress and neurotrophins have a bidirectional relationship. In this post hoc, exploratory analysis, we investigated the association between plasma brain-derived neurotrophic factor (BDNF) levels and activities of the antioxidant enzymes glutathione peroxidase (GPx) and superoxide dismutase (SOD) in individuals with bipolar disorder (BD) and healthy controls. METHODS We measured plasma levels of BDNF and activities of GPx and SOD in individuals with BD (n=59) and healthy controls (n=26). Information related to current and past psychiatric/medical history, as well as to metabolic comorbidities, was also reported. RESULTS There were negative correlations between BDNF, GPx (r=-.449, P≤.001) and GPx/SOD ratio (r=-.503, P<.001), and a positive correlation between BDNF and SOD (r=.254, P=.020). There was a moderating effect of body mass index (BMI) on the association between BDNF and GPx/SOD rate ratio [(RR)=1.002, P=.034]; interactions between impaired glucose metabolism (IGM), GPx (RR=1.016, P=.033), and GPx/SOD ratio (RR=1.026, P=.002) were also observed. These results were significant in models that included age, gender, alcohol, tobacco and medication use. CONCLUSIONS There was a robust and independent correlation between peripheral BDNF and antioxidant enzyme activities in individuals with BD, which was moderated by metabolic comorbidities. These results reinforce the concept that these systems are associated and further extend knowledge of the putative effect of metabolic comorbidities in the pathophysiological substrates of BD.
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Affiliation(s)
- Rodrigo B Mansur
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.,Mood Disorders Psychopharmacology Unit (MDPU), University Health Network, University of Toronto, Toronto, Canada
| | - Camila M Santos
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Lucas B Rizzo
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.,Department of Psychiatry, Clinic for Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany
| | - Graccielle R Cunha
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Elson Asevedo
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Mariane N Noto
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.,Vila Maria Outpatient Clinic, São Paulo, Brazil
| | - Mariana Pedrini
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Maiara Zeni
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Quirino Cordeiro
- Department of Psychiatry, Irmandade da Santa Casa de Misericórdia de São Paulo (ISCMSP), São Paulo, Brazil
| | - Roger S McIntyre
- Mood Disorders Psychopharmacology Unit (MDPU), University Health Network, University of Toronto, Toronto, Canada
| | - Elisa Brietzke
- Research Group in Behavioral Neuroscience of Bipolar Disorder (GP-TB), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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Apelin-13 Protects PC12 Cells from Corticosterone-Induced Apoptosis Through PI3K and ERKs Activation. Neurochem Res 2016; 41:1635-44. [PMID: 26961889 DOI: 10.1007/s11064-016-1878-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 02/22/2016] [Accepted: 02/24/2016] [Indexed: 01/24/2023]
Abstract
It is widely accepted that environmental stress is a risk factor for mental disorders. Glucocorticoid hormones play a vital role in the regulation of physiological response to stress. High concentrations of corticosterone can induce cellular damage in PC12 cells, which possess typical neuronal features. Apelin and its receptor APJ are widely distributed in the central nervous system including limbic structures involved in stress responses. Previous studies have suggested that apelin has a neuroprotective function. However, the effect of apelin on corticosterone-induced neuronal damage remains to be elucidated. In the present study, we explored the potential protective activity of apelin-13 in PC12 cells treated with corticosterone and its underling mechanisms. The viability of the cells, the apoptosis of the cells, the level of phosphorylation of Akt (p-Akt) and extracellular signal-regulated kinases (p-ERKs) and cleaved caspase-3 expression were detected by MTT, Hoechst staining and flow cytometer assays and Western blotting. Results showed that corticosterone induced cells viability loss, cell apoptosis, down-regulation of p-Akt and p-ERKs and up-regulation of cleaved caspase-3. The effects induced by corticosterone were attenuated by apelin-13 pretreatment. Furthermore, apelin-13-mediated anti-viability loss, antiapoptosis and caspase-3 suppression activities were blocked by specific inhibitors of phosphatidylinositol 3-kinase (PI3K) (LY294002) and ERKs (PD98059). The data suggest that apelin-13 protects PC12 cells from corticosterone-induced apoptosis through activating PI3K/Akt and ERKs signaling pathways.
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