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      Shuyusan-containing serum protects SH-SY5Y cells against corticosterone-induced impairment

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          Abstract

          The Chinese herb Shuyusan, whose main constituent is jasminoidin, has been shown to protect SH-SY5Y cells against corticosterone-induced damage. SH-SY5Y cells injured by 400 μmol/L corticosterone were treated with 5 and 30 μg/mL Shuyusan-containing serum. Results revealed that Shuyusan-containing serum elevated the survival rate of SH-SY5Y cells, reduced Bax expression, increased Bcl-2 expression, markedly elevated brain-derived neurotrophic factor mRNA expression, and blocked cell apoptosis. Moreover, the effect of high-dose (30 μg/mL) Shuyusan-containing serum was more remarkable. Therefore, Shuyusan-containing serum appears to protect SH-SY5Y cells against corticosterone-induced impairment by adjusting the expression of apoptosis-associated proteins and brain-derived neurotrophic factor. Moreover, high-dose Shuyusan-containing serum has a protective effect on high-dose corticosterone-induced impairment.

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          Knockdown of brain-derived neurotrophic factor in specific brain sites precipitates behaviors associated with depression and reduces neurogenesis

          D. Taliaz, N Stall, D E Dar … (2009)
          Depression has been associated with reduced expression of brain-derived neurotrophic factor (BDNF) in the hippocampus. In addition, animal studies suggest an association between reduced hippocampal neurogenesis and depressive-like behavior. These associations were predominantly established based on responses to antidepressant drugs and alterations in BDNF levels and neurogenesis in depressive patients or animal models for depressive behavior. Nevertheless, there is no direct evidence that the actual reduction of the BDNF protein in specific brain sites can induce depressive-like behaviors or affect neurogenesis in vivo. Using BDNF knockdown by RNA interference and lentiviral vectors injected into specific subregions of the hippocampus we show that a reduction in BDNF expression in the dentate gyrus, but not the CA3, reduces neurogenesis and affects behaviors associated with depression. Moreover, we show that BDNF has a critical function in neuronal differentiation, but not proliferation in vivo. Finally, we found that a specific BDNF knockdown in the ventral subiculum induces anhedonic-like behavior. These findings provide substantial support for the neurotrophic hypothesis of depression and specify anatomical and neurochemical targets for potential antidepressant interventions. Moreover, the specific effect of BDNF reduction on neuronal differentiation has broader implications for the study of neurodevelopment and neurodegenerative diseases.
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            Apoptosis: a basic biological phenomenon with wide-ranging implications in human disease.

            Bengt Fadeel, Sten Orrenius (2005)
            Apoptosis is a highly regulated process of cell deletion and plays a fundamental role in the maintenance of tissue homeostasis in the adult organism. Numerous studies in recent years have revealed that apoptosis is a constitutive suicide programme expressed in most, if not all cells, and can be triggered by a variety of extrinsic and intrinsic signals. Many human diseases can be attributed directly or indirectly to a derangement of apoptosis, resulting in either cell accumulation, in which cell eradication or cell turnover is impaired, or cell loss, in which the apoptotic programme is inadvertently triggered. In addition, defective macrophage engulfment and degradation of cell corpses may also contribute to a dysregulation of tissue homeostasis. An increased understanding of the signalling pathways that govern the execution of apoptosis and the subsequent clearance of dying cells may thus yield novel targets for therapeutic intervention in a wide range of human maladies.
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              The Ministry of Science and Technology of the People's Republic of China: Guidance Suggestions for the Care and Use of Laboratory Animals

              (2006)
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                Author and article information

                Journal
                Journal ID (nlm-ta): Neural Regen Res
                Journal ID (iso-abbrev): Neural Regen Res
                Journal ID (publisher-id): NRR
                Title: Neural Regeneration Research
                Publisher: Medknow Publications & Media Pvt Ltd (India )
                ISSN (Print): 1673-5374
                ISSN (Electronic): 1876-7958
                Publication date (Print): 05 August 2013
                Volume: 8
                Issue: 22
                Pages: 2060-2068
                Affiliations
                [1 ] Department of Traditional Chinese Medicine, Hainan Branch of Chinese PLA General Hospital, Sanya 572004, Hainan Province, China
                [2 ] Department of Internal Medicine, Hainan Branch of Chinese PLA General Hospital, Sanya 572004, Hainan Province, China
                [3 ] Institute of Geriatrics, General Hospital of Chinese PLA, Beijing 100853, China
                Author notes
                Corresponding author: Liping Chen, Chief physician, Master.s supervisor, Department of Traditional Chinese Medicine, Hainan Branch of Chinese PLA General Hospital, Sanya 572004, Hainan Province, China, lipingschen@ 123456yahoo.com.cn (N20120731003)

                Author contributions: Chen LP participated in study design and concept, data analysis, manuscript writing, and obtained funding. Duan DM was in charge of statistical analysis. Sun ZG, Xu CY, Geng M and Chen HY provided manuscript data and technical data. Wang FW served as the principal investigator. All authors approved the final version of the manuscript.

                Author statements: The manuscript is original, has not been submitted to or is not under consideration by another publication, has not been previously published in any language or any form, including electronic, and contains no disclosure of confidential information or authorship/patent application/funding source disputations.

                Article
                Publisher ID: NRR-8-2060
                DOI: 10.3969/j.issn.1673-5374.2013.22.005
                PMC ID: 4146065
                SO-VID: 69be8055-89ae-4917-85cd-a99fe3b36fc0
                Copyright © Copyright: © Neural Regeneration Research
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 15 October 2012
                Date accepted : 25 March 2013
                Categories
                Subject: Research and Report Article: Traditional Chinese Medicine and Neural Regeneration

                Keywords: neural regeneration,traditional chinese medicine,shuyusan-containing serum,sh-sy5y cells,corticosterone,bcl-2,bax,apoptosis,brain-derived,neurotrophic factor,grants-supported paper,neuroregeneration
                Data availability:
                Keywords: neural regeneration, traditional chinese medicine, shuyusan-containing serum, sh-sy5y cells, corticosterone, bcl-2, bax, apoptosis, brain-derived, neurotrophic factor, grants-supported paper, neuroregeneration

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