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Campos HM, Pereira RM, de Oliveira Ferreira PY, Uchenna N, Branco da Silva CR, Pruccoli L, Sanz G, Rodrigues MF, Vaz BG, Rivello BG, Batista da Rocha AL, de Carvalho FS, Oliveira GDAR, Lião LM, Georg RDC, Leite JA, Dos Santos FCA, Costa EA, Menegatti R, Tarozzi A, Ghedini PC. A novel arylpiperazine derivative (LQFM181) protects against neurotoxicity induced by 3- nitropropionic acid in in vitro and in vivo models. Chem Biol Interact 2024; 395:111026. [PMID: 38679115 DOI: 10.1016/j.cbi.2024.111026] [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: 02/28/2024] [Revised: 04/05/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
In the pursuit of novel antioxidant therapies for the prevention and treatment of neurodegenerative diseases, three new arylpiperazine derivatives (LQFM181, LQFM276, and LQFM277) were synthesized through a molecular hybridization approach involving piribedil and butylated hydroxytoluene lead compounds. To evaluate the antioxidant and neuroprotective activities of the arylpiperazine derivatives, we employed an integrated approach using both in vitro (SH-SY5Y cells) and in vivo (neurotoxicity induced by 3-nitropropionic acid in Swiss mice) models. In the in vitro tests, LQFM181 showed the most promising antioxidant activity at the neuronal membrane and cytoplasmic levels, and significant neuroprotective activity against the neurotoxicity induced by 3-nitropropionic acid. Hence, this compound was further subjected to in vivo evaluation, which demonstrated remarkable antioxidant capacity such as reduction of MDA and carbonyl protein levels, increased activities of succinate dehydrogenase, catalase, and superoxide dismutase. Interestingly, using the same in vivo model, LQFM181 also reduced locomotor behavior and memory dysfunction through its ability to decrease cholinesterase activity. Consequently, LQFM181 emerges as a promising candidate for further investigation into its neuroprotective potential, positioning it as a new therapeutic agent for neuroprotection.
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Affiliation(s)
| | - Robbert Mota Pereira
- Institute of Biological Sciences, Federal University of Goias, Goiania, GO, Brazil
| | | | - Nkaa Uchenna
- Institute of Biological Sciences, Federal University of Goias, Goiania, GO, Brazil
| | | | - Letizia Pruccoli
- Department of Life Quality Studies, Alma Mater Studiorum - University of Bologna, Rimini, Italy
| | - Germán Sanz
- Chemistry Institute, Federal University of Goias, Goiania, GO, Brazil
| | | | | | - Bárbara Gonçalves Rivello
- Faculty of Pharmacy, Laboratory of Medicinal Pharmaceutical Chemistry, Federal University of Goias, Goiania, GO, Brazil
| | - André Luís Batista da Rocha
- Faculty of Pharmacy, Laboratory of Medicinal Pharmaceutical Chemistry, Federal University of Goias, Goiania, GO, Brazil
| | - Flávio Silva de Carvalho
- Faculty of Pharmacy, Laboratory of Medicinal Pharmaceutical Chemistry, Federal University of Goias, Goiania, GO, Brazil
| | | | | | | | | | | | - Elson Alves Costa
- Institute of Biological Sciences, Federal University of Goias, Goiania, GO, Brazil
| | - Ricardo Menegatti
- Faculty of Pharmacy, Laboratory of Medicinal Pharmaceutical Chemistry, Federal University of Goias, Goiania, GO, Brazil
| | - Andrea Tarozzi
- Department of Life Quality Studies, Alma Mater Studiorum - University of Bologna, Rimini, Italy
| | - Paulo César Ghedini
- Institute of Biological Sciences, Federal University of Goias, Goiania, GO, Brazil.
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Ren L, Liang H, Zhu L, Yang X, Zhang H, Sun N, Huang D, Feng J, Wu Y, Xiong L, Ke X, Li M, Zhang A. Dietary Restriction Improves Perioperative Neurocognitive Disorders by Inhibiting Neuroinflammation and Gut Microbial Dysbiosis. Neuroscience 2024; 540:48-67. [PMID: 38272300 DOI: 10.1016/j.neuroscience.2024.01.012] [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: 09/03/2023] [Revised: 12/31/2023] [Accepted: 01/14/2024] [Indexed: 01/27/2024]
Abstract
Anesthesia/surgery have been identified as potential factors contributing to perioperative neurocognitive disorders, with a notably heightened risk observed in aging populations. One of the primary drivers of this impairment is believed to be neuroinflammation, specifically inflammation of hippocampal microglia. Dietary restriction has demonstrated a favorable impact on cognitive impairment across various disorders, primarily by quelling neuroinflammation. However, the precise influence of dietary restriction on perioperative neurocognitive disorders remains to be definitively ascertained. This investigation aims to explore the effects of dietary restriction on perioperative neurocognitive disorders and propose innovative therapeutic strategies for their management. The model of perioperative neurocognitive disorder was induced through exploratory laparotomy under isoflurane anesthesia. Cognitive performance was evaluated using the open field test, Barnes maze test, and fear conditioning test. The enzyme-linked immunosorbent assay (ELISA) was employed to quantify concentrations of interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α) in both serum and hippocampal samples. The Western blot technique was utilized to assess expression levels of hippocampal PSD 95, Synaptophysin, TLR4, MyD88, and NF-kB p65. Microglial polarization was gauged using a combination of reverse transcription quantitative polymerase chain reaction (RT-qPCR) and immunofluorescence labeling techniques. We conducted 16S rRNA sequencing to investigate the impact of dietary restriction on the intestinal flora of aged mice following anesthesia/surgery. Our findings indicate that dietary restrictions have the potential to ameliorate anesthesia/surgery-induced cognitive dysfunction. This effect is achieved through the modulation of gut microbiota, suppression of inflammatory responses in hippocampal microglia, and facilitation of neuronal repair and regeneration.
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Affiliation(s)
- Lulu Ren
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, Sichuan, China; Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | | | - Li Zhu
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Xiao Yang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Hong Zhang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Nianyi Sun
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Dunbing Huang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Jing Feng
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Yufeng Wu
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Lize Xiong
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Xiaohua Ke
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China.
| | - Min Li
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China.
| | - Anren Zhang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China.
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Zhang Y, Hu J, Song X, Dai J, Tang Z, Huang G, Jiao W, Wu Y, Wang C, Du L, Jin Y. The effects of Lactobacillus reuteri microcapsules on radiation-induced brain injury by regulating the gut microenvironment. Food Funct 2023; 14:10041-10051. [PMID: 37843434 DOI: 10.1039/d3fo03008c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
A radiation-induced brain injury (RIBI) is a major adverse event following radiotherapy of malignant tumors. RIBI would affect cognitive function, leading to a series of complications and even death. However, the pathogenesis of RIBI is still unclear, and it still lacks specific therapeutic drugs. The gut-brain bidirectional communication may be mediated by various microbiota and metabolites in the gastrointestinal tract. Probiotics are closely related to physiological health. The theory of the gut-brain axis provides us with a new idea to improve the gut microenvironment by supplementing probiotics against RIBI. Here, Lactobacillus reuteri microcapsules (LMCs) were prepared, which were predominantly irregular spheres with a rough surface under a scanning electron microscope and a narrow size distribution ranging from 20 to 700 μm. The transmission electron microscopy images showed that the structure of microcapsules containing Lactobacillus reuteri (L. reuteri) was a core and shell structure. The survival of L. reuteri in microcapsules was significantly more than that of free L. reuteri in the simulated stomach environment of pH 1.2. 16S rDNA sequencing showed that LMCs observably increased the relative abundance of Lactobacillus in RIBI mice. More importantly, compared with the RIBI model mice, the behavior of RIBI mice treated with LMCs was significantly improved. In addition, LMCs greatly alleviated the pathological damage of the hippocampus and intestines in the mice after irradiation and reduced the level of TNF-α and IL-6 in vivo. Generally, LMCs are a promising oral preparation, which provide new ideas and methods for the treatment of RIBI.
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Affiliation(s)
- Yizhi Zhang
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jinglu Hu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
| | - Xingshuang Song
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jing Dai
- Information Department, General Hospital of Western Zone, Chengdu 610083, China
| | - Ziyan Tang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Guiyu Huang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
| | - Wencheng Jiao
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Hebei University, Baoding 071000, China
| | - Yanping Wu
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Chenyun Wang
- The Fourth Clinical Center Affiliated to Chinese PLA General Hospital, Beijing 100048, China
| | - Lina Du
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
- Hebei University, Baoding 071000, China
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
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Helbling JE, Spittler AP, Sadar MJ, Santangelo KS. Optimization of overhead enclosure monitoring in juvenile male Dunkin Hartley guinea pigs ( Cavia porcellus). Lab Anim 2023; 57:552-564. [PMID: 37070354 PMCID: PMC11141528 DOI: 10.1177/00236772231165810] [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] [Indexed: 04/19/2023]
Abstract
Overhead enclosure monitoring provides objective quantitative mobility measurements for animals undergoing open-field testing. Notably, protocols for testing optimization have been minimally established for the guinea pig. It is unknown whether (a) repeated exposure, (b) time-of-day, or (c) length of testing duration influence outcome parameters. We hypothesized that guinea pigs would display decreased activity following repeated exposure to the open field; heightened activity during the earliest testing period; and that 10 min would be adequate for data collection. The study was conducted in two separate phases to distinguish between enclosure habituation and time-of-day effects, respectively. Two cohorts of male Dunkin Hartley guinea pigs were allowed voluntary movement in an open-field enclosure for 14 min to quantify mobility outcomes, including total distance traveled, total time mobile, average speed while mobile, and total time spent in the shelter. For both phases, testing occurred at four different times of day, and overhead monitoring software was programmed to divide the total testing duration into 2-min bins. Habituation phase results showed time mobile and distance traveled were influenced significantly by repeat exposure, as animals were most active during the first testing event. Time-of-day phase animals spent significantly more time mobile during the earliest testing period. Interestingly, significant differences were observed across 2-min bins for the time-of-day phase but not during the habituation phase. Specifically, progressively decreased ambulatory activity was observed as testing duration increased. Thus, habituation and time-of-day should be accounted for when possible. Finally, a trial period greater than 10 min may not yield additional data.
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Affiliation(s)
- Joel E Helbling
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1619, USA
| | - Alexa P Spittler
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1619, USA
| | - Miranda J Sadar
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1678, USA
| | - Kelly S Santangelo
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1619, USA
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