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Ma Z, Yu Y, Gao M, Chen P, Hong H, Yu D, Liang Z, Bai Y, Ye Q, Wang Y, Huang G, Tan H. Protective Effect of Hop Ethyl Acetate Extract on Corticosterone-Induced PC12 and Improvement of Depression-like Behavior in Mice. ACS Chem Neurosci 2024; 15:1893-1903. [PMID: 38613492 DOI: 10.1021/acschemneuro.4c00081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2024] Open
Abstract
Depression is a common mental disorder. In recent years, more and more attention has been paid to depression and its etiology and pathogenesis. This review aims to explore the neuroprotective and antidepressant effects of hop components. By establishing an in vitro cell damage model using PC12 cells induced by corticosterone (CORT) and an in vivo depression model through the intracranial injection of lipopolysaccharide (LPS) in mice, hop ethyl acetate extract (HEA) was used to study the protective effect and mechanism of HEA on neuronal cells in vitro and the antidepression effect and mechanism in vivo. The results showed that HEA increased the survival and decreased the rate of lactate dehydrogenase (LDH) release, apoptosis, and the ROS and NO content of CORT-induced PC12 cells. HEA alleviated depressive-like behavior, neuroinflammation, reduction of norepinephrine, and dendritic spines induced by intracerebroventricular injection of LPS in mice and increases the expression levels of BDNF, SNAP 25, and TrkB proteins without any significant side effects or toxicity. Hops demonstrated significant comprehensive utilization value, and this work provided an experimental basis for the role of hops in the treatment of depression and provided a basis for the development of HEA for antidepressant drugs or dietary therapy products.
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Affiliation(s)
- Ziwei Ma
- State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830017, P. R. China
| | - Yuming Yu
- State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830017, P. R. China
| | - Ming Gao
- State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830017, P. R. China
| | - Peng Chen
- State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830017, P. R. China
| | - Huixia Hong
- State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830017, P. R. China
| | - Dingle Yu
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children's Hospital, Shenzhen 518038, China
| | - Zhenjiang Liang
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children's Hospital, Shenzhen 518038, China
| | - Yu Bai
- Center for Child Care and Mental Health, Shenzhen Pediatrics Institute of Shantou University Medical College Health, Shenzhen 518035, China
| | - Qinlian Ye
- The Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518038, China
| | - Yachao Wang
- The Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518038, China
- Department of Neurosurgery, Shenzhen Second People's Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Guodong Huang
- Department of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, and the Institute of Translational Medicine, Shenzhen Second People's Hospital/The First Affiliated Hospital of Shenzhen University, No. 3002 Sungang Westroad, Futian District, Shenzhen 518035, China
| | - Hui Tan
- Center for Child Care and Mental Health, Shenzhen Pediatrics Institute of Shantou University Medical College Health, Shenzhen 518035, China
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Mo H, Chen X, Tang M, Qu Y, Li Z, Liu W, Yang C, Chen Y, Sun J, Yang H, Du G. Expression of a thermostable glucose-stimulated β-glucosidase from a hot-spring metagenome and its promising application to produce gardenia blue. Bioorg Chem 2024; 143:107036. [PMID: 38141330 DOI: 10.1016/j.bioorg.2023.107036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/06/2023] [Accepted: 12/14/2023] [Indexed: 12/25/2023]
Abstract
This study reports a thermostable glucose-stimulated β-glucosidase, BglY442, from hot-spring metagenomic data that was cloned and expressed in Escherichia coli BL21 (DE3). The molecular mass of recombinant BglY442 was 69.9 kDa and was used in the production of gardenia blue. The recombinant BglY442 showed its maximum activity at pH 6.0 and 75 °C, maintained 50 % activity at 70 °C for 36 h, presented over 90 % activity in a broad pH range and a wide range of pH stability. Moreover, BglY442 exhibited excellent tolerance toward methanol and ethanol. The specific activity of BglY442 was 235 U/mg at pH 6.0 and 75 °C with 10 mM pNPG as substrate. BglY442 activity increased by over fourfold with 2 M glucose or xylose. Specifically, the enzyme kinetics of BglY442 seem to be non-Michaelis-Menten kinetics or atypical kinetics because the Michaelis-Menten saturation kinetics were not observed with pNPG, oNPG or geniposide as substrates. Under optimum conditions, geniposide was dehydrated by BglY442 and reacted with nine amino acids respectively by the one-pot method. Only the Arg or Met derived pigments showed bright blue, and these two pigments had similar ultraviolet absorption spectra. The OD590 nm of GB was detected to be 1.06 after 24 h with the addition of Arg and 1.61 after 36 h with the addition of Met. The intermediate was elucidated and identified as ginipin. Molecular docking analysis indicated that the enzyme had a similar catalytic mechanism to the reported GH1 Bgls. BglY442 exhibited potential for gardenia blue production by the one-pot method. With outstanding thermostability and glucose tolerance, BglY442 should be considered a potential β-glucosidase in biotechnology applications.
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Affiliation(s)
- Haiying Mo
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Xin Chen
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Manwen Tang
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Ying Qu
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Zhihao Li
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Wang Liu
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Chunlin Yang
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Yijian Chen
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Jingxian Sun
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China
| | - Haiying Yang
- Yunnan Minzu University, School of Chemistry and Environment, Kunming, Yunnan, China.
| | - Gang Du
- Yunnan Minzu University, Key Laboratory of Chemistry in Ethnic Medicinal Resources Ministry of Education, Kunming, Yunnan, China.
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Ma H, Huang H, Li C, Li S, Gan J, Lian C, Ling Y. The antidepressive mechanism of Longya Lilium combined with Fluoxetine in mice with depression-like behaviors. NPJ Syst Biol Appl 2024; 10:5. [PMID: 38218856 PMCID: PMC10787738 DOI: 10.1038/s41540-024-00329-5] [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: 08/05/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024] Open
Abstract
Traditional Chinese medicine is one of the most commonly used complementary and alternative medicine therapies for depression. Integrated Chinese-western therapies have been extensively applied in numerous diseases due to their superior efficiency in individual treatment. We used the meta-analysis, network pharmacology, and bioinformatics studies to identify the putative role of Longya Lilium combined with Fluoxetine in depression. Depression-like behaviors were mimicked in mice after exposure to the chronic unpredictable mild stress (CUMS). The underlying potential mechanism of this combination therapy was further explored based on in vitro and in vivo experiments to analyze the expression of COX-2, PGE2, and IL-22, activation of microglial cells, and neuron viability and apoptosis in the hippocampus. The antidepressant effect was noted for the combination of Longya Lilium with Fluoxetine in mice compared to a single treatment. COX-2 was mainly expressed in hippocampal CA1 areas. Longya Lilium combined with Fluoxetine reduced the expression of COX-2 and thus alleviated depression-like behavior and neuroinflammation in mice. A decrease of COX-2 curtailed BV-2 microglial cell activation, inflammation, and neuron apoptosis by blunting the PGE2/IL-22 axis. Therefore, a combination of Longya Lilium with Fluoxetine inactivates the COX-2/PGE2/IL-22 axis, consequently relieving the neuroinflammatory response and the resultant depression.
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Affiliation(s)
- Huina Ma
- Department of Health, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Hehua Huang
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Chenyu Li
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Shasha Li
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Juefang Gan
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Chunrong Lian
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China
| | - Yanwu Ling
- Department of Human Anatomy, Youjiang Medical University for Nationalities, Baise, 533000, P. R. China.
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Jaafar A, Zulkipli MA, Mohd Hatta FH, Jahidin AH, Abdul Nasir NA, Hazizul Hasan M. Therapeutic potentials of iridoids derived from Rubiaceae against in vitro and in vivo inflammation: A scoping review. Saudi Pharm J 2024; 32:101876. [PMID: 38226349 PMCID: PMC10788517 DOI: 10.1016/j.jsps.2023.101876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/15/2023] [Indexed: 01/17/2024] Open
Abstract
Acute inflammation may develop into chronic, life-threatening inflammation-related diseases if left untreated or if there are persistent triggering factors. Cancer, diabetes mellitus, stroke, cardiovascular diseases, and neurodegenerative disorders are some of the inflammation-related diseases affecting millions of people worldwide. Despite that, conventional medical therapy such as non-steroidal anti-inflammatory drugs (NSAIDs) is associated with serious adverse effects; hence, there is an urgent need for a newer and safer therapeutic alternative from natural sources. Iridoids are naturally occurring heterocyclic monoterpenoids commonly found in Rubiaceae plants. Plant extracts from the Rubiaceae family were demonstrated to have medicinal benefits against neurodegeneration, inflammation, oxidative stress, hyperglycaemia, and cancer. However, the therapeutic effects of natural iridoids derived from Rubiaceae as well as their prospective impacts on inflammation in vitro and in vivo have not been thoroughly explored. The databases of PubMed, Scopus, and Web of Science were searched for pertinent articles in accordance with PRISMA-ScR guidelines. A total of 31 pertinent articles from in vitro and in vivo studies on the anti-inflammatory potentials of iridoids from Rubiaceae were identified. According to current research, genipin, geniposide, and monotropein are the most researched iridoids from Rubiaceae that reduce inflammation. These iridoids primarily act by attenuating inflammatory cytokines and mediators via inhibition of the NF-κB signalling pathway in various disease models. A comprehensive overview of the current research on the anti-inflammatory properties of iridoids from the Rubiaceae family is presented in this review, highlighting the characteristics of the experimental models used as well as the mechanisms of action of these iridoids. To develop an alternative therapeutic agent from iridoids, more studies are needed to elucidate the effects and mechanism of action of iridoids in a wide variety of experimental models as well as in clinical studies pertaining to inflammation-related diseases.
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Affiliation(s)
- Aisyah Jaafar
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Bandar Puncak Alam, Selangor, Malaysia
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, 47000, Sungai Buloh, Selangor, Malaysia
| | - Muhammad Amal Zulkipli
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Bandar Puncak Alam, Selangor, Malaysia
| | - Fazleen Haslinda Mohd Hatta
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Bandar Puncak Alam, Selangor, Malaysia
| | - Aisyah Hasyila Jahidin
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Bandar Puncak Alam, Selangor, Malaysia
| | - Nurul Alimah Abdul Nasir
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, 47000, Sungai Buloh, Selangor, Malaysia
| | - Mizaton Hazizul Hasan
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Bandar Puncak Alam, Selangor, Malaysia
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Jin C, Zongo AWS, Du H, Lu Y, Yu N, Nie X, Ma A, Ye Q, Xiao H, Meng X. Gardenia ( Gardenia jasminoides Ellis) fruit: a critical review of its functional nutrients, processing methods, health-promoting effects, comprehensive application and future tendencies. Crit Rev Food Sci Nutr 2023:1-28. [PMID: 37882781 DOI: 10.1080/10408398.2023.2270530] [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] [Indexed: 10/27/2023]
Abstract
Gardenia fruit (GF) is the mature fruit of Gardenia jasminoides Ellis, boasting a rich array of nutrients and phytochemicals. Over time, GF has been extensively utilized in both food and medicinal contexts. In recent years, numerous studies have delved into the chemical constituents of GF and their associated pharmacological activities, encompassing its phytochemical composition and health-promoting properties. This review aims to provide a critical and comprehensive summary of GF research, covering nutrient content, extraction technologies, and potential health benefits, offering new avenues for future investigations and highlighting its potential as an innovative food resource. Additionally, the review proposes novel industrial applications for GF, such as utilizing gardenia yellow/red/blue pigments in the food industry and incorporating it with other herbs in traditional Chinese medicine. By addressing current challenges in developing GF-related products, this work provides insights for potential applications in the cosmetics, food, and health products industries. Notably, there is a need for the development of more efficient extraction methods to harness the nutritional components of GF fully. Further research is needed to understand the specific molecular mechanisms underlying its bioactivities. Exploring advanced processing techniques to create innovative GF-derived products will show great promise for the future.
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Affiliation(s)
- Chengyu Jin
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Abel Wend-Soo Zongo
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Hengjun Du
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - Yuanchao Lu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Ningxiang Yu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Xiaohua Nie
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Ashton Ma
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
- Phillips Academy Andover, Andover, MA, USA
| | - Qin Ye
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, Zhejiang, China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - Xianghe Meng
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang, China
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Boo KJ, Gonzales EL, Remonde CG, Seong JY, Jeon SJ, Park YM, Ham BJ, Shin CY. Hycanthone Inhibits Inflammasome Activation and Neuroinflammation-Induced Depression-Like Behaviors in Mice. Biomol Ther (Seoul) 2023; 31:161-167. [PMID: 36203404 PMCID: PMC9970841 DOI: 10.4062/biomolther.2022.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/19/2022] [Accepted: 09/20/2022] [Indexed: 11/05/2022] Open
Abstract
Despite the various medications used in clinics, the efforts to develop more effective treatments for depression continue to increase in the past decades mainly because of the treatment-resistant population, and the testing of several hypotheses- and target-based treatments. Undesirable side effects and unresponsiveness to current medications fuel the drive to solve this top global health problem. In this study, we focused on neuroinflammatory response-mediated depression which represents a cluster of depression etiology both in animal models and humans. Several meta-analyses reported that proinflammatory cytokines such as interleukin 6 (IL-6) and tumor necrosis factor-α (TNF-α) were increased in major depressive disorder patients. Inflammatory mediators implicated in depression include type-I interferon and inflammasome pathways. To elucidate the molecular mechanisms of neuroinflammatory cascades underlying the pathophysiology of depression, we introduced hycanthone, an antischistosomal drug, to check whether it can counteract depressive-like behaviors in vivo and normalize the inflammation-induced changes in vitro. Lipopolysaccharide (LPS) treatment increased proinflammatory cytokine expression in the murine microglial cells as well as the stimulation of type I interferon-related pathways that are directly or indirectly regulated by Janus kinase-signal transducer and activator of transcription (JAK-STAT) activation. Hycanthone treatment attenuated those changes possibly by inhibiting the JAK-STAT pathway and inflammasome activation. Hycanthone also ameliorated depressive-like behaviors by LPS. Taken together, we suggest that the inhibitory action of hycanthone against the interferon pathway leading to attenuation of depressive-like behaviors can be a novel therapeutic mechanism for treating depression.
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Affiliation(s)
- Kyung-Jun Boo
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul 05029, Republic of Korea
| | - Edson Luck Gonzales
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul 05029, Republic of Korea
| | - Chilly Gay Remonde
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul 05029, Republic of Korea
| | - Jae Young Seong
- Graduate School of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Se Jin Jeon
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul 05029, Republic of Korea,Department of Integrative Biotechnology, College of Science and Technology, Sahmyook University, Seoul 01795, Republic of Korea
| | - Yeong-Min Park
- Graduate School of Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Byung-Joo Ham
- Department of Psychiatry, Korea University Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Chan Young Shin
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul 05029, Republic of Korea,Graduate School of Medicine, Konkuk University, Seoul 05029, Republic of Korea,Corresponding Author E-mail: , Tel: +82-2-454-5630, Fax: +82-2-2030-7899
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Genipin Attenuates Diabetic Cognitive Impairment by Reducing Lipid Accumulation and Promoting Mitochondrial Fusion via FABP4/Mfn1 Signaling in Microglia. Antioxidants (Basel) 2022; 12:antiox12010074. [PMID: 36670935 PMCID: PMC9854533 DOI: 10.3390/antiox12010074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
The present study was conducted to evaluate the effect of genipin (GEN) on the microglia of diabetic cognitive impairment and explore its potential mechanism. Diabetic mice were induced by STZ/HFD, while GEN was intragastrically and intraventricularly treated. The human microglia cell HMC3 was induced by LPS/HG/PA. As a result, GEN attenuated diabetic symptoms and diabetic cognitive impairment-related behavior in novel object recognition, Morris water maze and passive avoidance tests. GEN inhibited M1 microglia polarization, lipid accumulation, oxidative stress and promoted mitochondrial fusion via FABP4/Mfn1. FABP4 overexpression, Mfn1 overexpression, selective FABP4 inhibitor BMS, and Mfn1 SiRNA were employed for investigating the mechanism. The inhibitory effect of GEN on ROS may be associated with NOX2 signaling and the translocation of p47phox/p67phox to the cell membrane. With the ROS scavenger NAC, it was proved that ROS participated in GEN-mediated inflammation and lipid accumulation. GEN inhibited the phosphorylation and nucleus translocation of NF-κB. GEN inhibited the ubiquitination of Mfn1, which was mediated by the E3 ligase Hrd1. GEN also enhanced microglia phagocytosis. Molecular docking predicted that GEN may interact with FABP4 by hydrogen bond at the S53 and R78 residues. In conclusion, GEN attenuated diabetic cognitive impairment by inhibiting inflammation, lipid accumulation and promoting mitochondrial fusion via FABP4/Mfn1 signaling.
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In Situ Biosynthesis of Photothermal Parasite for Fluorescence Imaging-Guided Photothermal Therapy of Tumors. Gels 2022; 8:gels8110754. [DOI: 10.3390/gels8110754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 11/23/2022] Open
Abstract
Photothermal therapy (PTT) has been widely known as a promising therapeutic strategy for cancer treatment in recent decades. However, some organic and inorganic photothermal agents exhibit shortcomings including potential long-term toxicity and lack of biodegradability. Biocompatible extracts from plants and animals provide several alternatives for the reformation of photothermal agents. Bio-inspired products still have inherent problems such as low accumulation in tumors, easy diffusion, and fast elimination. Herein, we aim to develop a biocompatible photothermal agent with tumor enrichment. Enlightened by “parasitized snails”, in situ biosynthesis of photothermal agents and fluorescence imaging-guided PTT are achieved with the assistance of alginate–calcium–genipin (ACG) hydrogel. ACG hydrogel is a mixture of alginate (ALG), calcium (Ca), and genipin (GP). Given that the crosslinking product of GP and protein displays fluorescent/photothermal features, the constructed ACG hydrogel can gradually react with the tumor and then “light up” and “ignite” the tumor under specific light excitation. The ACG hydrogel can be seen as a photothermal parasite, eventually leading to the death of tumor. The photothermal therapeutic effects of ACG hydrogel reacting with tumors are successfully proven in vivo. The naturally derived GP and ALG ensure the biosafety of the ACG hydrogel-based bio-application. This work is another successful practice of nature-inspired methodological strategy for in situ biosynthesis of the photothermal agent.
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Yang J, Wang C, Guo Q, Deng W, Du G, Li R. Isolation of the Thermostable β-Glucosidase-Secreting Strain Bacillus altitudinis JYY-02 and Its Application in the Production of Gardenia Blue. Microbiol Spectr 2022; 10:e0153522. [PMID: 35863007 PMCID: PMC9431551 DOI: 10.1128/spectrum.01535-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 06/27/2022] [Indexed: 11/20/2022] Open
Abstract
Gardenia blue (GB) is a natural blue pigment widely used in textiles and the pharmaceutical industry. The geniposide in gardenia fruits can be hydrolyzed by β-glucosidase to form genipin, which reacts with amino acids to produce GB. In this study, a bacterial strain which secreted thermostable β-glucosidase (EC 3.2.1.21) was isolated from soil and identified as Bacillus altitudinis JYY-02. This strain could potentially be used for GB production from geniposide by fermentation. Optimal fermentation results were achieved at pH 6.5 or 8.0 at 45°C for 45 h with additional sucrose. To obtain a large amount of β-glucosidase, the whole genome of B. altitudinis JYY-02 was sequenced and annotated; it is 3,727,518 bp long and contains 3,832 genes. The gene encoding β-glucosidase (bgl) in B. altitudinis JYY-02 was screened from the genome and overexpressed in Escherichia coli BL21(DE3). The recombinant β-glucosidase was purified by affinity chromatography on a Ni Sepharose 6 fast flow (FF) column. The optimal temperature, pH, and Km values for the recombinant β-glucosidase were 60°C, pH 5.6, and 0.331 mM, respectively, when p-nitrophenyl-β-d-glucopyranoside (pNPG) was used as the substrate. The recombinant β-glucosidase catalyzed the deglycosylation reaction of geniposide, which was then used to produce GB. IMPORTANCE β-Glucosidases are enzymes capable of hydrolyzing β-glucosidic linkages present in saccharides and glycosides and have many agricultural and industrial applications. Although they are found in all domains of living organisms, commercial β-glucosidases are still expensive, limiting their application in industry. In the present study, a thermostable β-glucosidase-producing strain was obtained for GB production by fermentation, engineered bacteria were constructed for preparing recombinant β-glucosidase, and a one-step method to purify the recombinant enzyme was established. A large amount of purified β-glucosidase was easily obtained from the engineered bacteria for industrial applications such as GB production.
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Affiliation(s)
- Jingyuan Yang
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
| | - Chao Wang
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
| | - Qunqun Guo
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
| | - Wenjun Deng
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
| | - Guicai Du
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
| | - Ronggui Li
- College of Life Sciences, Qingdao University, Qingdao, P.R. China
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Yao C, Jiang X, Ye X, Xie T, Bai R. Antidepressant Drug Discovery and Development: Mechanism and Drug Design Based on Small Molecules. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202200007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chuansheng Yao
- School of Pharmacy Hangzhou Normal University Hangzhou 311121 PR China
- Key Laboratory of Elemene Class Anti‐Cancer Chinese Medicine of Zhejiang Province Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province Collaborative Innovation Center of Chinese Medicines from Zhejiang Province Hangzhou Normal University Hangzhou 311121 PR China
| | - Xiaoying Jiang
- College of Material, Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material Technology Ministry of Education, Hangzhou Normal University Hangzhou 311121 P.R. China
| | - Xiang‐Yang Ye
- School of Pharmacy Hangzhou Normal University Hangzhou 311121 PR China
- Key Laboratory of Elemene Class Anti‐Cancer Chinese Medicine of Zhejiang Province Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province Collaborative Innovation Center of Chinese Medicines from Zhejiang Province Hangzhou Normal University Hangzhou 311121 PR China
| | - Tian Xie
- School of Pharmacy Hangzhou Normal University Hangzhou 311121 PR China
- Key Laboratory of Elemene Class Anti‐Cancer Chinese Medicine of Zhejiang Province Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province Collaborative Innovation Center of Chinese Medicines from Zhejiang Province Hangzhou Normal University Hangzhou 311121 PR China
| | - Renren Bai
- School of Pharmacy Hangzhou Normal University Hangzhou 311121 PR China
- Key Laboratory of Elemene Class Anti‐Cancer Chinese Medicine of Zhejiang Province Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province Collaborative Innovation Center of Chinese Medicines from Zhejiang Province Hangzhou Normal University Hangzhou 311121 PR China
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Cai W, Wang XF, Wei XF, Zhang JR, Hu C, Ma W, Shen WD. Does urinary metabolite signature act as a biomarker of post-stroke depression? Front Psychiatry 2022; 13:928076. [PMID: 36090365 PMCID: PMC9448878 DOI: 10.3389/fpsyt.2022.928076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/14/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND It is difficult to conduct the precise diagnosis of post-stroke depression (PSD) in clinical practice due to the complex psychopathology of depressive disorder. Several studies showed that gas chromatography-mass spectrometry (GC-MS)-identified urinary metabolite biomarkers could significantly discriminate PSD from stroke survivors. METHODS A systematic review was performed for the keywords of "urinary metabolite" and "PSD" using Medline, Cochrane Library, Embase, Web of Science, PsycINFO, Wanfang, CNKI, CBM, and VIP database from inception to 31 March 2022. RESULTS Four related studies were included in the review. Differential urinary metabolites including lactic acid, palmitic acid, azelaic acid, and tyrosine were identified in all the included studies. As a significant deviation in the metabolite biomarker panel, glyceric acid, azelaic acid, phenylalanine, palmitic acid, pseudouridine, and tyrosine were found in at least 2 included studies, which indicated good potential for the differentiation of PSD. CONCLUSION The systematic review provided evidence that differential urinary metabolites analyzed by the GC-MS-based approach might be used as a biomarker for the diagnosis and prognosis of PSD.
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Affiliation(s)
- Wa Cai
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xia-Fei Wang
- Department of Neurology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xi-Fang Wei
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing-Ruo Zhang
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen Hu
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wen Ma
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wei-Dong Shen
- Department of Acupuncture, Shanghai Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
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12
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Wang Y, Guo J, Li B, Li D, Meng Z, Sun SK. Biocompatible therapeutic albumin/genipin bioglue for postoperative wound adhesion and residual tumor ablation. Biomaterials 2021; 279:121179. [PMID: 34700226 DOI: 10.1016/j.biomaterials.2021.121179] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 10/01/2021] [Accepted: 10/06/2021] [Indexed: 01/23/2023]
Abstract
Surgical adhesives have partly replaced traditional sutures to seal and reattach tissues due to their superiorities in preventing liquids leakage and avoiding secondary damage in the surrounding wound area. Most of the existing adhesives are committed to promoting wound healing and functional recovery. A therapeutic adhesive that assists in clearing the residual tumors in the surgical area is undoubtedly meaningful to obtain a better clinical outcome. Herein, enlightened by commercial BioGlue (albumin/glutaraldehyde sealant), a biocompatible therapeutic albumin/genipin bioglue is designed for postoperative wound adhesion and tumor ablation. The albumin/genipin bioglue is formed by simple mixing of bovine serum albumin (BSA) and genipin (GP) under a 35 °C water bath for 24 h without further purification. The obtained dark-blue fluorescent adhesive exhibits a significant temperature increase accompanied by heating-induced curing once irradiated with an 808-nm laser. This unique characteristic allows BSA-GP a therapeutic adhesive for postoperative wound adhesion and photothermal elimination of residual tumors under laser irradiation. Moreover, its easy injectability and impressive photothermal efficacy also make it feasible for in situ tumor photothermal ablation. The ultrasimple synthetic strategy by mimicking BioGlue endows BSA-GP adhesive with large-scale production capacity and clinical transformation potential, which is a successful paradigm for reforming existing clinical products.
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Affiliation(s)
- Yaqiong Wang
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Jingjing Guo
- Department of Radiology, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Bingjie Li
- Department of Radiology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Dong Li
- Department of Radiology, Tianjin Medical University General Hospital, Tianjin, 300052, China.
| | - Zhaowei Meng
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China.
| | - Shao-Kai Sun
- School of Medical Imaging, Tianjin Medical University, Tianjin, 300203, China.
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13
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Wang QS, Wang GF, Zhang HY, Zhao FQ, Cui YL. Development of genipin crosslinked gelatin matrices on surface interaction: Enhancing the biocompatibility by attenuating sterile inflammation. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2021.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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14
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Olas B, Białecki J, Urbańska K, Bryś M. The Effects of Natural and Synthetic Blue Dyes on Human Health: A Review of Current Knowledge and Therapeutic Perspectives. Adv Nutr 2021; 12:2301-2311. [PMID: 34245145 PMCID: PMC8634323 DOI: 10.1093/advances/nmab081] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/08/2021] [Accepted: 06/04/2021] [Indexed: 12/31/2022] Open
Abstract
Blue synthetic dyes are widely used in many industries. Although they are approved for use as food dyes and in cosmetics and some medicines, their impacts on consumer health remain unknown. Some studies indicate that 2 synthetic dyes, Blue No. 1 and Blue No. 2, may have toxic effects. It has therefore been suggested that these should be replaced with natural dyes; however, despite being nontoxic and arguably healthier than synthetic dyes, these compounds are often unsuitable for use in food or drugs due to their instability. Nevertheless, among the natural blue pigments, anthocyanins and genipin offer particular health benefits, as they are associated with the prevention of cardiovascular disease and have anticancer, neuroprotective, anti-inflammatory, and antidiabetic properties. This review summarizes the effects of blue food and drug colorings on health and proposes that synthetic colors should be replaced with natural ones.
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Affiliation(s)
| | - Jacek Białecki
- University of Lodz, Department of General Biochemistry, Faculty of Biology and Environmental Protection, Lodz, Poland
| | - Karina Urbańska
- Medical University of Lodz, Faculty of Medicine, Lodz, Poland
| | - Magdalena Bryś
- University of Lodz, Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, Lodz, Poland
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15
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Chinese Herbal Medicine for the Treatment of Depression: Effects on the Neuroendocrine-Immune Network. Pharmaceuticals (Basel) 2021; 14:ph14010065. [PMID: 33466877 PMCID: PMC7830381 DOI: 10.3390/ph14010065] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 02/06/2023] Open
Abstract
The neuroimmune and neuroendocrine systems are two critical biological systems in the pathogenesis of depression. Clinical and preclinical studies have demonstrated that the activation of the neuroinflammatory response of the immune system and hyperactivity of the hypothalamus–pituitary–adrenal (HPA) axis of the neuroendocrine system commonly coexist in patients with depression and that these two systems bidirectionally regulate one another through neural, immunological, and humoral intersystem interactions. The neuroendocrine-immune network poses difficulties associated with the development of antidepressant agents directed toward these biological systems for the effective treatment of depression. On the other hand, multidrug and multitarget Chinese Herbal Medicine (CHM) has great potential to assist in the development of novel medications for the systematic pharmacotherapy of depression. In this narrative essay, we conclusively analyze the mechanisms of action of CHM antidepressant constituents and formulas, specifically through the modulation of the neuroendocrine-immune network, by reviewing recent preclinical studies conducted using depressive animal models. Some CHM herbal constituents and formulas are highlighted as examples, and their mechanisms of action at both the molecular and systems levels are discussed. Furthermore, we discuss the crosstalk of these two biological systems and the systems pharmacology approach for understanding the system-wide mechanism of action of CHM on the neuroendocrine-immune network in depression treatment. The holistic, multidrug, and multitarget nature of CHM represents an excellent example of systems medicine in the effective treatment of depression.
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16
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Chao B, Zhang L, Pan J, Zhang Y, Chen Y, Xu M, Huang S. Stanniocalcin-1 Overexpression Prevents Depression-Like Behaviors Through Inhibition of the ROS/NF-κB Signaling Pathway. Front Psychiatry 2021; 12:644383. [PMID: 34194345 PMCID: PMC8238083 DOI: 10.3389/fpsyt.2021.644383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/26/2021] [Indexed: 01/29/2023] Open
Abstract
Background: Depression is a burdensome psychiatric disorder presenting with disordered inflammation and neural plasticity. We conducted this study with an aim to explore the effect of stanniocalcin-1 (STC1) on inflammation and neuron injury in rats with depression-like behaviors. Methods: A model of depression-like behaviors was established in Wistar rats by stress stimulation. Adeno-associated virus (AAV)-packaged STC1 overexpression sequence or siRNA against STC1 was introduced into rats to enhance or silence the STC1 expression. Moreover, we measured pro-inflammatory and anti-inflammatory proteins, superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA) and reactive oxygen species (ROS) production. An in vitro model was induced in hippocampal neurons by CORT to explore the effect of STC1 on the neuron viability, toxicity and apoptosis. RT-qPCR and Western blot assay were employed to determine the expression of STC1 and nuclear factor κB (NF-κB) signaling pathway-related genes. Results: STC1 was under-expressed in the hippocampus of rats with depression-like behaviors, while its overexpression could reduce the depression-like behaviors in the stress-stimulated rats. Furthermore, overexpression of STC1 resulted in enhanced neural plasticity, reduced release of pro-inflammatory proteins, elevated SOD and CAT and diminished MDA level in the hippocampus of rats with depression-like behaviors. Overexpressed STC1 blocked the ROS/NF-κB signaling pathway, thereby enhancing the viability of CORT-treated neurons while repressing their toxicity and apoptosis. Conclusion: Collectively, overexpression of STC1 inhibits inflammation and protects neuron injury in rats with depression-like behaviors by inactivating the ROS/NF-κB signaling pathway.
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Affiliation(s)
- Bin Chao
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Lili Zhang
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Juhua Pan
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Ying Zhang
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Yuxia Chen
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Manman Xu
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
| | - Shijing Huang
- Traditional Chinese Medicine Research and Development Center, Guang'anmen Hospital, China Academy of Chinese Medicine, Beijing, China
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17
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Sun Z, Cai D, Yang X, Shang Y, Li X, Jia Y, Yin C, Zou H, Xu Y, Sun Q, Zhang X. Stress Response Simulated by Continuous Injection of ACTH Attenuates Lipopolysaccharide-Induced Inflammation in Porcine Adrenal Gland. Front Vet Sci 2020; 7:315. [PMID: 32671106 PMCID: PMC7333078 DOI: 10.3389/fvets.2020.00315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/07/2020] [Indexed: 11/13/2022] Open
Abstract
On modern farms, animals are at high risk of bacterial invasion due to environmental stress factors. The adrenal gland is the terminal organ of the stress response. The crosstalk between adrenal endocrine stress and innate immune response is critical for the maintenance of immune homeostasis during inflammation. Thus, it's important to explore whether stresses play a pivotal role in lipopolysaccharide (LPS)-induced inflammatory response in the porcine adrenal gland. Thirty-days-old Duroc × Landrace × Large White crossbred piglets (12 ± 0.5 kg) were randomly allocated into four groups in a 2 × 2 factorial arrangement of treatments, including ACTH pretreatment (with or without ACTH injection) and LPS challenge (with or without LPS injection). Each group consisted of six male piglets. The results showed that our LPS preparation alone induced mRNA expressions of IL-1β, IL-6, TNF-α, IL-10, COX-2, TLR2, TLR4, and GR (P < 0.05). ACTH pretreatment downregulated the TLR2 mRNA and IL-6 protein level induced by our LPS preparation significantly (P < 0.05) by one-way ANOVA analysis. Treatment with LPS alone extremely significantly decreased ssc-miR-338 levels (P < 0.01). Interaction of ACTH × LPS was significant for cNOS level (P = 0.011) and ssc-miR-338 expression (P = 0.04) by two-way ANOVA analysis. The LPS treatment significantly downregulated cNOS levels (P < 0.01), which was significantly attenuated by ACTH pretreatment (P < 0.05). Lipopolysaccharide alone did not affect ssc-miR-146b expression levels compared to that in the vehicle group. However, ACTH pretreatment in combination with LPS significantly increased this micro-RNA expression (P < 0.05). TLRs 1–10 were all expressed in adrenal tissue. The LPS challenge alone induced remarkable compensatory mitochondrial damages at the ultrastructural level, which was alleviated by ACTH pretreatment. Accordingly, ACTH pretreatment was able to block LPS-induced secretion of local adrenal cortisol (P < 0.05). Taken together, our results demonstrate that ACTH pretreatment seems to attenuate LPS-induced mitochondria damage and inflammation that decreased cNOS activity in the adrenal gland and ultimately returned local adrenal cortisol to basal levels at 6 h post LPS injection.
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Affiliation(s)
- Zhiyuan Sun
- Department of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, China.,Co-innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
| | - Demin Cai
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Sacramento, CA, United States.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xiaojing Yang
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Yueli Shang
- Laboratory of Animal Clinical Pathophysiology, Department of Animal Science and Technology, Shanghai Vocational College of Agriculture and Forestry, Shanghai, China
| | - Xian Li
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Yimin Jia
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Chao Yin
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China
| | - Huafeng Zou
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Yunming Xu
- Department of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, China
| | - Qinwei Sun
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Xuhui Zhang
- Co-innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
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18
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Beneficial Effects of Crocin against Depression via Pituitary Adenylate Cyclase-Activating Polypeptide. BIOMED RESEARCH INTERNATIONAL 2020; 2020:3903125. [PMID: 32685478 PMCID: PMC7334775 DOI: 10.1155/2020/3903125] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 05/17/2020] [Accepted: 05/26/2020] [Indexed: 02/07/2023]
Abstract
Depression is one of the foremost psychological illness, and the exact mechanism is unclear. Recent studies have reported that the pituitary adenylate cyclase-activating polypeptide (PACAP) signaling pathway is involved in the progression of depression. In the present study, we extracted crocin from the traditional Chinese medicine (TCM), Gardenia jasminoides Ellis, to evaluate its antidepressant effect and clarify the underlying mechanism. Here, we established a chronic unpredictable mild stress (CUMS) mouse model to assess whether crocin can improve depression-like behavior in an open field test (OFT), tail suspension test (TST), forced swimming test (FST), and sucrose preference test (SPT). A corticosterone (CORT) model of PC12 was set up to explore the antidepressant mechanism of crocin. We pretreated PC12 cells with crocin for 1 hour and then stimulated the cells with CORT for 24 hours. Cell survival was detected by Hoechst staining and MTT assay. The expression of PACAP, cyclic adenosine monophosphate (cAMP) response element binding protein (CREB), and extracellular regulated protein kinases (ERK) were analyzed by western blotting. PACAP RNAi was used to interfere with PC12 cells to downregulate the content of PACAP. The results showed that crocin (30 mg/kg) significantly reversed the decrease of body weight and elevation of serum CORT, mitigated CUMS induced depression-like behaviors of mice, and crocin (12.5 μmol/L) protected PC12 cells against CORT (200 μmol/L)-induced injury. Furthermore, crocin greatly increased the protein expression of PACAP and phosphorylation of ERK and CREB in the CORT model. PACAP RNAi cancelled the neuroprotective effect of crocin. In conclusion, these results indicated that crocin exerted an antidepressant effect via upregulating PACAP and its downstream ERK and CREB signaling pathways.
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19
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Xu D, Lu YR, Kou N, Hu MJ, Wang QS, Cui YL. Intranasal delivery of icariin via a nanogel-thermoresponsive hydrogel compound system to improve its antidepressant-like activity. Int J Pharm 2020; 586:119550. [PMID: 32554031 DOI: 10.1016/j.ijpharm.2020.119550] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 05/22/2020] [Accepted: 06/13/2020] [Indexed: 02/06/2023]
Abstract
Although icariin has been reported to have antidepressant-like effects in different animal models, its poor oral bioavailability and low efficiency of delivery to the brain limit its application. In this study, icariin nanogels were prepared by reverse microemulsion methods to improve its poor water solubility. Then, we developed an icariin nanogel loaded self-assembled thermosensitive hydrogel system (icariin-NGSTH) to deliver icariin via a noninvasive, direct nose-to-brain delivery route for the treatment of depression. The in vivo distribution was investigated by fluorescence imaging with rhodamine B-labeled nanogels. The antidepressant efficacy of icariin-NGSTH was evaluated in behavioral despair tests and the chronic unpredictable mild stress (CUMS) model. The results showed that icariin-NGSTH had a zero-order kinetics release in the first 10 h. Icariin-NGSTH led to rapid brain distribution within 30 min. Icariin-NGSTH significantly reduced the duration of immobility in the tail suspension test (TST) and forced swim test (FST). Compared with oral administration, intranasally administered icariin-NGSTH had a fast-acting antidepressant effect in the TST and FST. Moreover, icariin-NGSTH increased body weight and sucrose preference, reversed abnormal plasma levels of testosterone, interleukin-6 (IL-6) and prostaglandin E2 (PGE2), and repaired neuronal damage in the hippocampi of CUMS rats. These results indicated that icariin-NGSTH at a low dose produced a significant antidepressant effect. As a complex drug delivery system, intranasally administered icariin-NGSTH is a rapid and effective treatment for depression, increasing the antidepressant-like activity of icariin.
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Affiliation(s)
- Dong Xu
- Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Yu-Ren Lu
- Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Na Kou
- Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Meng-Jiao Hu
- Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Qiang-Song Wang
- Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin 300192, PR China.
| | - Yuan-Lu Cui
- Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China.
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