1
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Bernardes CP, Lopes Pinheiro E, Ferreira IG, de Oliveira IS, dos Santos NAG, Sampaio SV, Arantes EC, dos Santos AC. Fraction of C. d. collilineatus venom containing crotapotin protects PC12 cells against MPP + toxicity by activating the NGF-signaling pathway. J Venom Anim Toxins Incl Trop Dis 2024; 30:e20230056. [PMID: 38915449 PMCID: PMC11194915 DOI: 10.1590/1678-9199-jvatitd-2023-0056] [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: 08/23/2023] [Accepted: 05/08/2024] [Indexed: 06/26/2024] Open
Abstract
Background Parkinson's disease (PD) is the second most prevalent neurodegenerative disease. There is no effective treatment for neurodegenerative diseases. Snake venoms are a cocktail of proteins and peptides with great therapeutic potential and might be useful in the treatment of neurodegenerative diseases. Crotapotin is the acid chain of crotoxin, the major component of Crotalus durissus collilineatus venom. PD is characterized by low levels of neurotrophins, and synaptic and axonal degeneration; therefore, neurotrophic compounds might delay the progression of PD. The neurotrophic potential of crotapotin has not been studied yet. Methods We evaluated the neurotrophic potential of crotapotin in untreated PC12 cells, by assessing the induction of neurite outgrowth. The activation of the NGF signaling pathway was investigated through pharmacological inhibition of its main modulators. Additionally, its neuroprotective and neurorestorative effects were evaluated by assessing neurite outgrowth and cell viability in PC12 cells treated with the dopaminergic neurotoxin MPP+ (1-methyl-4-phenylpyridinium), known to induce Parkinsonism in humans and animal models. Results Crotapotin induced neuritogenesis in PC12 cells through the NGF-signaling pathway, more specifically, by activating the NGF-selective receptor trkA, and the PI3K/Akt and the MAPK/ERK cascades, which are involved in neuronal survival and differentiation. In addition, crotapotin had no cytotoxic effect and protected PC12 cells against the inhibitory effects of MPP+ on cell viability and differentiation. Conclusion These findings show, for the first time, that crotapotin has neurotrophic/neuroprotective/neurorestorative potential and might be beneficial in Parkinson's disease. Additional studies are necessary to evaluate the toxicity of crotapotin in other cell models.
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Affiliation(s)
- Carolina Petri Bernardes
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Ernesto Lopes Pinheiro
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Isabela Gobbo Ferreira
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Isadora Sousa de Oliveira
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Neife Aparecida Guinaim dos Santos
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Suely Vilela Sampaio
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Eliane Candiani Arantes
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Antonio Cardozo dos Santos
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
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2
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Yang F, You H, Mizui T, Ishikawa Y, Takao K, Miyakawa T, Li X, Bai T, Xia K, Zhang L, Pang D, Xu Y, Zhu C, Kojima M, Lu B. Inhibiting proBDNF to mature BDNF conversion leads to ASD-like phenotypes in vivo. Mol Psychiatry 2024:10.1038/s41380-024-02595-5. [PMID: 38762692 DOI: 10.1038/s41380-024-02595-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 05/20/2024]
Abstract
Autism Spectrum Disorders (ASD) comprise a range of early age-onset neurodevelopment disorders with genetic heterogeneity. Most ASD related genes are involved in synaptic function, which is regulated by mature brain-derived neurotrophic factor (mBDNF) and its precursor proBDNF in a diametrically opposite manner: proBDNF inhibits while mBDNF potentiates synapses. Here we generated a knock-in mouse line (BDNFmet/leu) in which the conversion of proBDNF to mBDNF is attenuated. Biochemical experiments revealed residual mBDNF but excessive proBDNF in the brain. Similar to other ASD mouse models, the BDNFmet/leu mice showed reduced dendritic arborization, altered spines, and impaired synaptic transmission and plasticity in the hippocampus. They also exhibited ASD-like phenotypes, including stereotypical behaviors and deficits in social interaction. Moreover, the plasma proBDNF/mBDNF ratio was significantly increased in ASD patients compared to normal children in a case-control study. Thus, deficits in proBDNF to mBDNF conversion in the brain may contribute to ASD-like behaviors, and plasma proBDNF/mBDNF ratio may be a potential biomarker for ASD.
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Affiliation(s)
- Feng Yang
- China National Clinical Research Center for Neurological Diseases, Basic and Translational Medicine Center, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, 100070, Beijing, China
| | - He You
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, 100070, Beijing, China
- School of Pharmaceutical Sciences and IDG/McGovern Institute for Brain Research, Tsinghua University, 100084, Beijing, China
| | - Toshiyuki Mizui
- Core Research for Evolutional Science and Technology (CREST), Kawaguchi, 332-0012, Japan
| | - Yasuyuki Ishikawa
- Department of Systems Life Engineering, Maebashi Institute of Technology, Maebashi, 371-0816, Japan
| | - Keizo Takao
- Core Research for Evolutional Science and Technology (CREST), Kawaguchi, 332-0012, Japan
- Life Science Research Center, University of Toyama, Toyama, 930-0194, Japan
- Department of Behavioral Physiology, Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-0194, Japan
| | - Tsuyoshi Miyakawa
- Core Research for Evolutional Science and Technology (CREST), Kawaguchi, 332-0012, Japan
- Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
| | - Xiaofei Li
- China National Clinical Research Center for Neurological Diseases, Basic and Translational Medicine Center, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, 100070, Beijing, China
| | - Ting Bai
- Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Kun Xia
- Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Lingling Zhang
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Institute of Neuroscience and the Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Dizhou Pang
- Center for Child Behavioral Development, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yiran Xu
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Institute of Neuroscience and the Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Changlian Zhu
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Institute of Neuroscience and the Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Masami Kojima
- Core Research for Evolutional Science and Technology (CREST), Kawaguchi, 332-0012, Japan.
- Biomedical Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology (KIT), Ishikawa, 924-0838, Japan.
| | - Bai Lu
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, 100070, Beijing, China.
- School of Pharmaceutical Sciences and IDG/McGovern Institute for Brain Research, Tsinghua University, 100084, Beijing, China.
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3
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Zhao S, Mo G, Wang Q, Xu J, Yu S, Huang Z, Liu W, Zhang W. Role of RB1 in neurodegenerative diseases: inhibition of post-mitotic neuronal apoptosis via Kmt5b. Cell Death Discov 2024; 10:182. [PMID: 38637503 PMCID: PMC11026443 DOI: 10.1038/s41420-024-01955-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 12/04/2023] [Accepted: 04/10/2024] [Indexed: 04/20/2024] Open
Abstract
During the development of the vertebrate nervous system, 50% of the nerve cells undergo apoptosis shortly after formation. This process is important for sculpting tissue during morphogenesis and removing transiently functional cells that are no longer needed, ensuring the appropriate number of neurons in each region. Dysregulation of neuronal apoptosis can lead to neurodegenerative diseases. However, the molecular events involved in activating and regulating the neuronal apoptosis program are not fully understood. In this study, we identified several RB1 mutations in patients with neurodegenerative diseases. Then, we used a zebrafish model to investigate the role of Rb1 in neuronal apoptosis. We showed that Rb1-deficient mutants exhibit a significant hindbrain neuronal apoptosis, resulting in increased microglia infiltration. We further revealed that the apoptotic neurons in Rb1-deficient zebrafish were post-mitotic neurons, and Rb1 inhibits the apoptosis of these neurons by regulating bcl2/caspase through binding to Kmt5b. Moreover, using this zebrafish mutant, we verified the pathogenicity of the R621S and L819V mutations of human RB1 in neuronal apoptosis. Collectively, our data indicate that the Rb1-Kmt5b-caspase/bcl2 axis is crucial for protecting post-mitotic neurons from apoptosis and provides an explanation for the pathogenesis of clinically relevant mutations.
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Affiliation(s)
- Shuang Zhao
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Guiling Mo
- Guangzhou KingMed Diagnostics Group Co., Ltd., International Biotech Island, Guangzhou, 510005, China
| | - Qiang Wang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Jin Xu
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Shihui Yu
- Guangzhou KingMed Diagnostics Group Co., Ltd., International Biotech Island, Guangzhou, 510005, China
| | - Zhibin Huang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Wei Liu
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
| | - Wenqing Zhang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
- Greater Bay Biomedical Innocenter, Shenzhen Bay Laboratory, Shenzhen, 518055, China.
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4
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Ichimura-Shimizu M, Kurrey K, Miyata M, Dezawa T, Tsuneyama K, Kojima M. Emerging Insights into the Role of BDNF on Health and Disease in Periphery. Biomolecules 2024; 14:444. [PMID: 38672461 PMCID: PMC11048455 DOI: 10.3390/biom14040444] [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: 12/28/2023] [Revised: 03/06/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Brain-derived neurotrophic factor (BDNF) is a growth factor that promotes the survival and growth of developing neurons. It also enhances circuit formation to synaptic transmission for mature neurons in the brain. However, reduced BDNF expression and single nucleotide polymorphisms (SNP) are reported to be associated with functional deficit and disease development in the brain, suggesting that BDNF is a crucial molecule for brain health. Interestingly, BDNF is also expressed in the hypothalamus in appetite and energy metabolism. Previous reports demonstrated that BDNF knockout mice exhibited overeating and obesity phenotypes remarkably. Therefore, we could raise a hypothesis that the loss of function of BDNF may be associated with metabolic syndrome and peripheral diseases. In this review, we describe our recent finding that BDNF knockout mice develop metabolic dysfunction-associated steatohepatitis and recent reports demonstrating the role of one of the BDNF receptors, TrkB-T1, in some peripheral organ functions and diseases, and would provide an insight into the role of BDNF beyond the brain.
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Affiliation(s)
- Mayuko Ichimura-Shimizu
- Department of Pathology and Laboratory Medicine, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (M.I.-S.); (K.T.)
| | - Khuleshwari Kurrey
- Department of Neuroscience, School of Medicine, Yale University, New Haven, CT 06520, USA;
| | - Misaki Miyata
- Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology, 3-1 Yatsukaho, Hakusan 924-0838, Japan; (M.M.); (T.D.)
| | - Takuya Dezawa
- Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology, 3-1 Yatsukaho, Hakusan 924-0838, Japan; (M.M.); (T.D.)
| | - Koichi Tsuneyama
- Department of Pathology and Laboratory Medicine, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (M.I.-S.); (K.T.)
| | - Masami Kojima
- Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology, 3-1 Yatsukaho, Hakusan 924-0838, Japan; (M.M.); (T.D.)
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5
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Mohamed DA, Fouda K, Mabrok HB, El-Shamarka ME, Hamed IM. Sourdough bread as nutritional intervention tool for improvement of cognitive dysfunction in diabetic rats. BMC Nutr 2024; 10:53. [PMID: 38528644 DOI: 10.1186/s40795-024-00861-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 02/27/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND The current research targeted to study the impact of nutritional intervention by two sourdough breads in improvement of cognitive dysfunction in diabetic rats. METHODS Type-2 diabetes was induced in rats by Streptozotocin-Nicotinamide (STZ-NC). Diabetic rats were fed on balanced diet or balanced diet containing 20% of sourdough bread I or II for a month. Lipid profile, oxidative stress, inflammatory markers and cognitive functions were assessed in all rats. Gene expression of brain-derived neurotrophic factor (BDNF) and nuclear respiratory factor 2 (NRF-2) were assessed in hippocampal tissue, while expression of phosphoenol pyruvate carboxy kinase (PEPCK), and glucose transporter 2 (GLUT2) genes were evaluated in hepatic tissue. Chemical composition and fatty acids profile were evaluated in the prepared sourdough bread. RESULTS Sourdough bread II showed higher content of phenolic compounds, fat, fiber and carbohydrates. Fatty acids profile revealed that sourdough bread I was higher in saturated fatty acids (16.08%), while sourdough bread sample II was higher in unsaturated fatty acids (79.33%). Sourdough bread I or II feeding rats' showed significant improvement in hyperglycemia, oxidative stress markers, inflammatory markers, lipid profile, liver and kidney functions in association with improvement in cognitive function. Gene expression of BDNF and NRF2 in hippocampal tissue were increased significantly, while hepatic GLUT2 and PEPCK gene expression were down-regulated in diabetic given sourdough bread I or II. CONCLUSION Sourdough bread II was superior in all the studied parameters. The anti-diabetic effect and protection from cognitive dysfunction of sourdough bread samples may be ascribed to the occurrence of dietary fibers, phenolic compounds, and polyunsaturated fatty acids.
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Affiliation(s)
- Doha A Mohamed
- Nutrition and Food Science Department, Food Industries and Nutrition Institute, National Research Centre, Dokki, Cairo, 12622, Egypt.
| | - Karem Fouda
- Nutrition and Food Science Department, Food Industries and Nutrition Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Hoda B Mabrok
- Nutrition and Food Science Department, Food Industries and Nutrition Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Marwa E El-Shamarka
- Toxicology and Narcotics Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Ibrahim M Hamed
- Nutrition and Food Science Department, Food Industries and Nutrition Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
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6
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Fanfarillo F, Ferraguti G, Lucarelli M, Francati S, Barbato C, Minni A, Ceccanti M, Tarani L, Petrella C, Fiore M. The Impact of ROS and NGF in the Gliomagenesis and their Emerging Implications in the Glioma Treatment. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:449-462. [PMID: 37016521 DOI: 10.2174/1871527322666230403105438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 12/19/2022] [Accepted: 02/01/2023] [Indexed: 04/06/2023]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules derived from molecular oxygen (O2). ROS sources can be endogenous, such as cellular organelles and inflammatory cells, or exogenous, such as ionizing radiation, alcohol, food, tobacco, chemotherapeutical agents and infectious agents. Oxidative stress results in damage of several cellular structures (lipids, proteins, lipoproteins, and DNA) and is implicated in various disease states such as atherosclerosis, diabetes, cancer, neurodegeneration, and aging. A large body of studies showed that ROS plays an important role in carcinogenesis. Indeed, increased production of ROS causes accumulation in DNA damage leading to tumorigenesis. Various investigations demonstrated the involvement of ROS in gliomagenesis. The most common type of primary intracranial tumor in adults is represented by glioma. Furthermore, there is growing attention on the role of the Nerve Growth Factor (NGF) in brain tumor pathogenesis. NGF is a growth factor belonging to the family of neurotrophins. It is involved in neuronal differentiation, proliferation and survival. Studies were conducted to investigate NGF pathogenesis's role as a pro- or anti-tumoral factor in brain tumors. It has been observed that NGF can induce both differentiation and proliferation in cells. The involvement of NGF in the pathogenesis of brain tumors leads to the hypothesis of a possible implication of NGF in new therapeutic strategies. Recent studies have focused on the role of neurotrophin receptors as potential targets in glioma therapy. This review provides an updated overview of the role of ROS and NGF in gliomagenesis and their emerging role in glioma treatment.
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Affiliation(s)
| | - Giampiero Ferraguti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Marco Lucarelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Silvia Francati
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Antonio Minni
- Department of Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Mauro Ceccanti
- SITAC, Società Italiana per il Trattamento dell'Alcolismo e le sue Complicanze, Rome, Italy
| | - Luigi Tarani
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Carla Petrella
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Marco Fiore
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
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7
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Nagamatsu T, Kubota K, Watanabe T, Katsurabayashi S, Iwasaki K. Kamikihito reduces β-amyloid 25-35-induced axon damage via neurotrophic factors. J Nat Med 2024; 78:246-254. [PMID: 38010476 DOI: 10.1007/s11418-023-01761-3] [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: 08/10/2023] [Accepted: 10/30/2023] [Indexed: 11/29/2023]
Abstract
The Japanese herbal medicine kamikihito (KKT) is widely used for insomnia, anorexia, anemia, and depression. Recently, the efficacy of KKT against Alzheimer's disease (AD) has been demonstrated in clinical and non-clinical studies. To address the mechanism underlying the effect of KKT on AD, we examined the effects of KKT in β-amyloid (Aβ)25-35-exposed primary cultured neurons. The effects of KKT on Aβ25-35-induced neurotoxicity were assessed by immunocytochemical assays and Sholl analysis of neurites, and the influence of KKT on neurotrophic factor (NF) gene expression was examined using RT-PCR analysis. As a result, Aβ25-35 exposure attenuated the arborization of neurites of single cultured hippocampal neurons, and KKT treatment for 3 days ameliorated the Aβ25-35-induced impairment of tau-positive axon outgrowth. This ameliorative effect of KKT was largely abolished by the Trk inhibitor K252a, and expression of NFs, nerve growth factor (Ngf), brain-derived neurotrophic factor (Bdnf), neurotrophin-3 (NT-3) was significantly increased by KKT. These results indicate that KKT ameliorates axonal atrophy via NFs signaling, providing a mechanistic basis for treatment of AD with KKT.
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Affiliation(s)
- Takumi Nagamatsu
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Kaori Kubota
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan.
| | - Takuya Watanabe
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Shutaro Katsurabayashi
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Katsunori Iwasaki
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
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8
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Hromada C, Szwarc-Hofbauer D, Quyen Nguyen M, Tomasch J, Purtscher M, Hercher D, Teuschl-Woller AH. Strain-induced bands of Büngner formation promotes axon growth in 3D tissue-engineered constructs. J Tissue Eng 2024; 15:20417314231220396. [PMID: 38249993 PMCID: PMC10798132 DOI: 10.1177/20417314231220396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/28/2023] [Indexed: 01/23/2024] Open
Abstract
Treatment of peripheral nerve lesions remains a major challenge due to poor functional recovery; hence, ongoing research efforts strive to enhance peripheral nerve repair. In this study, we aimed to establish three-dimensional tissue-engineered bands of Büngner constructs by subjecting Schwann cells (SCs) embedded in fibrin hydrogels to mechanical stimulation. We show for the first time that the application of strain induces (i) longitudinal alignment of SCs resembling bands of Büngner, and (ii) the expression of a pronounced repair SC phenotype as evidenced by upregulation of BDNF, NGF, and p75NTR. Furthermore, we show that mechanically aligned SCs provide physical guidance for migrating axons over several millimeters in vitro in a co-culture model with rat dorsal root ganglion explants. Consequently, these constructs hold great therapeutic potential for transplantation into patients and might also provide a physiologically relevant in vitro peripheral nerve model for drug screening or investigation of pathologic or regenerative processes.
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Affiliation(s)
- Carina Hromada
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Dorota Szwarc-Hofbauer
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mai Quyen Nguyen
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
- Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, Vienna, Austria
| | - Janine Tomasch
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Michaela Purtscher
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - David Hercher
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
- Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, Vienna, Austria
| | - Andreas Herbert Teuschl-Woller
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria
- The Austrian Cluster for Tissue Regeneration, Vienna, Austria
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9
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Ichimura-Shimizu M, Kojima M, Suzuki S, Miyata M, Osaki Y, Matsui K, Mizui T, Tsuneyama K. Brain-derived neurotrophic factor knock-out mice develop non-alcoholic steatohepatitis. J Pathol 2023; 261:465-476. [PMID: 37781961 DOI: 10.1002/path.6204] [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: 01/24/2023] [Revised: 07/26/2023] [Accepted: 08/17/2023] [Indexed: 10/03/2023]
Abstract
While brain-derived neurotrophic factor (BDNF), which is a growth factor associated with cognitive improvement and the alleviation of depression symptoms, is known to regulate food intake and body weight, the role of BDNF in peripheral disease is not fully understood. Here, we show that reduced BDNF expression is associated with weight gain and the chronic liver disease non-alcoholic steatohepatitis (NASH). At 10 months of age, BDNF-heterozygous (BDNF+/- ) mice developed symptoms of NASH: centrilobular/perivenular steatosis, lobular inflammation with infiltration of neutrophils, ballooning hepatocytes, and fibrosis of the liver. Obesity and higher serum levels of glucose and insulin - major pathologic features in human NASH - were dramatic. Dying adipocytes were surrounded by macrophages in visceral fat, suggesting that chronic inflammation occurs in peripheral organs. RNA sequencing (RNA-seq) studies of the liver revealed that the most significantly enriched Gene Ontology term involved fatty acid metabolic processes and the modulation of neutrophil aggregation, pathologies that well characterise NASH. Gene expression analysis by RNA-seq also support the notion that BDNF+/- mice are under oxidative stress, as indicated by alterations in the expression of the cytochrome P450 family and a reduction in glutathione S-transferase p, an antioxidant enzyme. Histopathologic phenotypes of NASH were also observed in a knock-in mouse (BDNF+/pro ), in which the precursor BDNF is inefficiently converted into the mature form of BDNF. Lastly, as BDNF reduction causes overeating and subsequent obesity, a food restriction study was conducted in BDNF+/pro mice. Pair-fed BDNF+/pro mice developed hepatocellular damage and showed infiltration of inflammatory cells, including neutrophils in the liver, despite having body weights and blood parameters that were comparable to those of controls. This is the first report demonstrating that reduced BDNF expression plays a role in the pathogenic mechanism of NASH, which is a hepatic manifestation of metabolic syndrome. © 2023 The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Mayuko Ichimura-Shimizu
- Department of Pathology and Laboratory Medicine, Tokushima University Graduate School, Tokushima, Japan
| | - Masami Kojima
- Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology, Ishikawa, Japan
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Osaka, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), Kawaguchi, Japan
| | - Shingo Suzuki
- Department of Anatomy and Neurobiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Japan
| | - Misaki Miyata
- Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology, Ishikawa, Japan
| | - Yui Osaki
- Department of Pathology and Laboratory Medicine, Tokushima University Graduate School, Tokushima, Japan
| | - Konomi Matsui
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Osaka, Japan
| | - Toshiyuki Mizui
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Osaka, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), Kawaguchi, Japan
| | - Koichi Tsuneyama
- Department of Pathology and Laboratory Medicine, Tokushima University Graduate School, Tokushima, Japan
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10
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Runkel MT, Tarabishi A, Shay-Winkler K, Emmert ME, Goh Q, Cornwall R. The role of sympathetic innervation in neonatal muscle growth and neuromuscular contractures. FEBS J 2023; 290:4877-4898. [PMID: 37462535 PMCID: PMC10592371 DOI: 10.1111/febs.16908] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 06/05/2023] [Accepted: 07/17/2023] [Indexed: 07/26/2023]
Abstract
Neonatal brachial plexus injury (NBPI), a leading cause of pediatric upper limb paralysis, results in disabling and incurable muscle contractures that are driven by impaired longitudinal growth of denervated muscles. A rare form of NBPI, which maintains both afferent and sympathetic muscle innervation despite motor denervation, protects against contractures. We have previously ruled out a role for NRG/ErbB signaling, the predominant pathway governing antegrade afferent neuromuscular transmission, in modulating the formation of contractures. Our current study therefore investigated the contributions of sympathetic innervation of skeletal muscle in modulating NBPI-induced contractures. Through chemical sympathectomy and pharmacologic modification with a β2 -adrenergic agonist, we discovered that sympathetic innervation alone is neither required nor sufficient to modulate contracture formation in neonatal mice. Despite this, sympathetic innervation plays an intriguing sex-specific role in mediating neonatal muscle growth, as the cross-sectional area (CSA) and volume of normally innervated male muscles were diminished by ablation of sympathetic neurons and increased by β-adrenergic stimulation. Intriguingly, the robust alterations in CSA occurred with minimal changes to normal longitudinal muscle growth as determined by sarcomere length. Instead, β-adrenergic stimulation exacerbated sarcomere overstretch in denervated male muscles, indicating potentially discrete regulation of muscle width and length. Future investigations into the mechanistic underpinnings of these distinct aspects of muscle growth are thus essential for improving clinical outcomes in patients affected by muscle disorders in which both length and width are affected.
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Affiliation(s)
- Mason T. Runkel
- Department of Health Sciences, Butler University, Indianapolis, IN, USA
| | - Albaraa Tarabishi
- Department of Biochemistry, University of Cincinnati, Cincinnati, OH, USA
| | - Kritton Shay-Winkler
- Division of Orthopaedic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Marianne E. Emmert
- Division of Orthopaedic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Qingnian Goh
- Division of Orthopaedic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Orthopaedic Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Roger Cornwall
- Division of Orthopaedic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Orthopaedic Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
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11
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Tonev D, Momchilova A. Therapeutic Plasma Exchange and Multiple Sclerosis Dysregulations: Focus on the Removal of Pathogenic Circulatory Factors and Altering Nerve Growth Factor and Sphingosine-1-Phosphate Plasma Levels. Curr Issues Mol Biol 2023; 45:7749-7774. [PMID: 37886933 PMCID: PMC10605592 DOI: 10.3390/cimb45100489] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/21/2023] [Accepted: 09/23/2023] [Indexed: 10/28/2023] Open
Abstract
Multiple sclerosis (MS) is predominantly an immune-mediated disease of the central nervous system (CNS) of unknown etiology with a possible genetic predisposition and effect of certain environmental factors. It is generally accepted that the disease begins with an autoimmune inflammatory reaction targeting oligodendrocytes followed by a rapid depletion of their regenerative capacity with subsequent permanent neurodegenerative changes and disability. Recent research highlights the central role of B lymphocytes and the corresponding IgG and IgM autoantibodies in newly forming MS lesions. Thus, their removal along with the modulation of certain bioactive molecules to improve neuroprotection using therapeutic plasma exchange (TPE) becomes of utmost importance. Recently, it has been proposed to determine the levels and precise effects of both beneficial and harmful components in the serum of MS patients undergoing TPE to serve as markers for appropriate TPE protocols. In this review we discuss some relevant examples, focusing on the removal of pathogenic circulating factors and altering the plasma levels of nerve growth factor and sphingosine-1-phosphate by TPE. Altered plasma levels of the reviewed molecular compounds in response to TPE reflect a successful reduction of the pro-inflammatory burden at the expense of an increase in anti-inflammatory potential in the circulatory and CNS compartments.
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Affiliation(s)
- Dimitar Tonev
- Department of Anesthesiology and Intensive Care, University Hospital “Tzaritza Yoanna—ISUL”, Medical University of Sofia, 1527 Sofia, Bulgaria
| | - Albena Momchilova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Science, 1113 Sofia, Bulgaria;
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12
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Ornell F, Scherer JN, Schuch JB, Sordi AO, Halpern SC, Rebelatto FP, Bristot G, Kapczinski F, Roglio VS, Pechansky F, Kessler FHP, von Diemen L. Serum BDNF levels increase during early drug withdrawal in alcohol and crack cocaine addiction. Alcohol 2023; 111:1-7. [PMID: 37037287 DOI: 10.1016/j.alcohol.2023.04.001] [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: 03/07/2022] [Revised: 04/02/2023] [Accepted: 04/05/2023] [Indexed: 04/12/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) is involved in several drug-induced brain neuroadaptations. The impact of withdrawal from substances that have different neurological mechanisms on BDNF levels is unclear. Our goal was to compare serum BDNF levels in inpatients with alcohol or crack cocaine use disorders during the early withdrawal period, and to evaluate the association with substance-related outcomes. We performed a follow-up study with 101 men under detoxification treatment (drug preference: alcohol [n = 37] and crack cocaine [n = 64]). Blood samples were collected on the 1st and 15th days of hospitalization to measure serum BDNF levels. Serum BDNF levels increased during the early stage of withdrawal (28.2 ± 10.0 vs. 32.6 ± 13.3, p < 0.001), similarly in individuals with alcohol and crack cocaine use. In the alcohol group, BDNF levels on the 15th day of hospitalization were negatively correlated with age (r = -0.394, p = 0.023). Delta BDNF levels were also negatively correlated with BDNF on the 1st day of hospitalization (p = 0.011). No significant correlation was found regarding substance-related outcomes. This is the first study to compare BDNF levels in alcohol and crack cocaine users undergoing similar treatment conditions. These findings could be related to clinical improvement after abstinence or even to drug withdrawal itself, decreasing neuronal injury. Furthermore, age may be a crucial factor, hindering the recovery of neuroplasticity in alcohol users.
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Affiliation(s)
- Felipe Ornell
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Juliana N Scherer
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jaqueline B Schuch
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| | - Anne O Sordi
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Silvia C Halpern
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fernando P Rebelatto
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Giovana Bristot
- Bipolar Disorder Program, Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil; Graduate Program in Biological Sciences: Biochemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Flavio Kapczinski
- Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Bipolar Disorder Program, Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil; Department of Psychiatry and Behavioural Neurosciences, McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Vinicius S Roglio
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Flavio Pechansky
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Felix H P Kessler
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Lisia von Diemen
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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13
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Kim M, Lee J, Cai L, Choi H, Oh D, Jawad A, Hyun SH. Neurotrophin-4 promotes the specification of trophectoderm lineage after parthenogenetic activation and enhances porcine early embryonic development. Front Cell Dev Biol 2023; 11:1194596. [PMID: 37519302 PMCID: PMC10373506 DOI: 10.3389/fcell.2023.1194596] [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: 03/27/2023] [Accepted: 07/03/2023] [Indexed: 08/01/2023] Open
Abstract
Neurotrophin-4 (NT-4), a neurotrophic factor, appears to affect early embryonic development because it is secreted not only by neurons but also by oviductal and uterine epithelial cells. However, no studies have characterized the effects of NT-4 on early embryonic development in pigs. In this study, we applied the experimental model of parthenogenetic-activation (PA)-derived embryos. Herein, we investigated the effect of NT-4 supplementation during the in vitro culture (IVC) of embryos, analyzed the transcription levels of specific genes, and outlined the first cell lineage specification for porcine PA-derived blastocysts. We confirmed that NT-4 and its receptor proteins were localized in both the inner cell mass (ICM) and trophectoderm (TE) in porcine blastocysts. Across different concentrations (0, 1, 10, and 100 ng/mL) of NT-4 supplementation, the optimal concentration of NT-4 to improve the developmental competence of porcine parthenotes was 10 ng/mL. NT-4 supplementation during porcine IVC significantly (p < 0.05) increased the proportion of TE cells by inducing the transcription of TE lineage markers (CDX2, PPAG3, and GATA3 transcripts). NT-4 also reduced blastocyst apoptosis by regulating the transcription of apoptosis-related genes (BAX and BCL2L1 transcripts) and improved blastocyst quality via the interaction of neurotrophin-, Hippo-yes-associated protein (Hippo-YAP) and mitogen-activated protein kinase/extracellular regulated kinase (MAPK/ERK) pathway. Additionally, NT-4 supplementation during IVC significantly (p < 0.05) increased YAP1 transcript levels and significantly (p < 0.01) decreased LATS2 transcript levels, respectively, in the porcine PA-derived blastocysts. We also confirmed through fluorescence intensity that the YAP1 protein was significantly (p < 0.001) increased in the NT-4-treated blastocysts compared with that in the control. NT-4 also promoted differentiation into the TE lineage rather than into the ICM lineage during porcine early embryonic development. In conclusion, 10 ng/mL NT-4 supplementation enhanced blastocyst quality by regulating the apoptosis- and TE lineage specification-related genes and interacting with neurotrophin-, Hippo-YAP-, and MAPK/ERK signaling pathway during porcine in vitro embryo development.
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Affiliation(s)
- Mirae Kim
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
| | - Joohyeong Lee
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
| | - Lian Cai
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
- Graduate School of Veterinary Biosecurity and Protection, Chungbuk National University, Cheongju, Republic of Korea
| | - Hyerin Choi
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
| | - Dongjin Oh
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
| | - Ali Jawad
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
| | - Sang-Hwan Hyun
- Veterinary Medical Center and College of Veterinary Medicine, Laboratory of Veterinary Embryology and Biotechnology (VETEMBIO), Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Republic of Korea
- Graduate School of Veterinary Biosecurity and Protection, Chungbuk National University, Cheongju, Republic of Korea
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14
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Arévalo JC, Deogracias R. Mechanisms Controlling the Expression and Secretion of BDNF. Biomolecules 2023; 13:biom13050789. [PMID: 37238659 DOI: 10.3390/biom13050789] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/19/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Brain-derived nerve factor (BDNF), through TrkB receptor activation, is an important modulator for many different physiological and pathological functions in the nervous system. Among them, BDNF plays a crucial role in the development and correct maintenance of brain circuits and synaptic plasticity as well as in neurodegenerative diseases. The proper functioning of the central nervous system depends on the available BDNF concentrations, which are tightly regulated at transcriptional and translational levels but also by its regulated secretion. In this review we summarize the new advances regarding the molecular players involved in BDNF release. In addition, we will address how changes of their levels or function in these proteins have a great impact in those functions modulated by BDNF under physiological and pathological conditions.
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Affiliation(s)
- Juan Carlos Arévalo
- Department of Cell Biology and Pathology, Institute of Neurosciences of Castille and Leon (INCyL), University of Salamanca, 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Rubén Deogracias
- Department of Cell Biology and Pathology, Institute of Neurosciences of Castille and Leon (INCyL), University of Salamanca, 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
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15
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Physiologic Cyclical Load on Inguinal Hernia Scaffold ProFlor Turns Biological Response into Tissue Regeneration. BIOLOGY 2023; 12:biology12030434. [PMID: 36979126 PMCID: PMC10045722 DOI: 10.3390/biology12030434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/01/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023]
Abstract
Surgical repair of groin protrusions is one of the most frequently performed procedures. Currently, open or laparoscopic repair of inguinal hernias with flat meshes deployed over the hernial defect is considered the gold standard. However, fixation of the implant, poor quality biologic response to meshes and defective management of the defect represent sources of continuous debates. To overcome these issues, a different treatment concept has recently been proposed. It is based on a 3D scaffold named ProFlor, a flower shaped multilamellar device compressible on all planes. This 3D device is introduced into the hernial opening and, thanks to its inherent centrifugal expansion, permanently obliterates the defect in fixation-free fashion. While being made of the same polypropylene material as conventional hernia implants, the 3D design of ProFlor confers a proprietary dynamic responsivity, which unlike the foreign body reaction of flat/static meshes, promotes a true regenerative response. A long series of scientific evidence confirms that, moving in compliance with the physiologic cyclical load of the groin, ProFlor attracts tissue growth factors inducing the development of newly formed muscular, vascular and nervous structures, thus re-establishing the inguinal barrier formerly wasted by hernia disease. The development up to complete maturation of these highly specialized tissue elements was followed thanks to biopsies excised from ProFlor from the short-term up to years post implantation. Immunohistochemistry made it possible to document the concurrence of specific growth factors in the regenerative phenomena. The results achieved with ProFlor likely demonstrate that modifying the two-dimensional design of hernia meshes into a 3D outline and arranging the device to respond to kinetic stresses turns a conventional regressive foreign body response into advanced probiotic tissue regeneration.
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16
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Rodriguez-Ayllon M, Plaza-Florido A, Mendez-Gutierrez A, Altmäe S, Solis-Urra P, Aguilera CM, Catena A, Ortega FB, Esteban-Cornejo I. The effects of a 20-week exercise program on blood-circulating biomarkers related to brain health in overweight or obese children: The ActiveBrains project. JOURNAL OF SPORT AND HEALTH SCIENCE 2023; 12:175-185. [PMID: 36529369 PMCID: PMC10105026 DOI: 10.1016/j.jshs.2022.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/30/2022] [Accepted: 10/25/2022] [Indexed: 05/28/2023]
Abstract
BACKGROUND Emerging research supports the idea that exercise positively affects neurodevelopment. However, the mechanisms linking exercise with brain health are largely unknown. We aimed to investigate the effect of exercise on (a) blood biomarkers selected based on previous evidence (brain-derived neurotrophic factor, β-hydroxybutyrate (BHB), cathepsin B (CTSB), kynurenine, fibroblast growth factor 21 (FGF21), soluble vascular cell adhesion molecule-1 (sVCAM-1)); and (b) a panel of 92 neurology-related proteins (discovery analysis). We also investigated whether changes in these biomarkers mediate the effects of exercise on brain health (hippocampal structure and function, cognitive performance, and mental health). METHODS We randomized 81 overweight/obese children (10.1 ± 1.1 years, 41% girls) into 2 groups: either 20 weeks of aerobic plus resistance exercise or control. Candidate biomarkers were assessed using enzyme-linked immunosorbent assay (ELISA) for kynurenine, FGF21, and CTSB; colorimetry for β-hydroxybutyrate; and XMap for brain-derived neurotrophic factor and soluble vascular cell adhesion molecule-1. The 92 neurology-related proteins were analyzed by an antibody-based proteomic analysis. RESULTS Our intervention had no significant effect on candidate biomarkers (all p > 0.05). In the discovery analysis, a reduction in circulating macrophage scavenger receptor type-I was observed (standardized differences between groups = -0.3, p = 0.001). This effect was validated using ELISA methods (standardized difference = -0.3, p = 0.01). None of the biomarkers mediated the effects of exercise on brain health. CONCLUSIONS Our study does not support a chronic effect of exercise on candidate biomarkers. We observed that while chronic exercise reduced the levels of macrophage scavenger receptor type-I, it did not mediate the effects of exercise on brain health. Future studies should explore the implications of this novel biomarker for overall health.
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Affiliation(s)
- María Rodriguez-Ayllon
- PROFITH "PROmoting FITness and Health through physical activity" research group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada 18071, Spain; Department of Epidemiology, Erasmus University Medical Center, Rotterdam 3015 GD, the Netherlands
| | - Abel Plaza-Florido
- PROFITH "PROmoting FITness and Health through physical activity" research group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada 18071, Spain
| | - Andrea Mendez-Gutierrez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain
| | - Signe Altmäe
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Granada 18071, Spain
| | - Patricio Solis-Urra
- PROFITH "PROmoting FITness and Health through physical activity" research group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada 18071, Spain; Nuclear Medicine Services, Virgen de Las Nieves University Hospital, Granada 18014, Spain; Faculty of Education and Social Sciences, Universidad Andres Bello, Viña del Mar 2531015, Chile
| | - Concepción M Aguilera
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain
| | - Andrés Catena
- Department of Experimental Psychology, School of Psychology, University of Granada, Granada 18011, Spain
| | - Francisco B Ortega
- PROFITH "PROmoting FITness and Health through physical activity" research group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada 18071, Spain; Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä 40014, Finland; Department of Bioscience and Nutrition, Karolinska Institutet, Huddinge, SE 141 57, Sweden.
| | - Irene Esteban-Cornejo
- PROFITH "PROmoting FITness and Health through physical activity" research group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada 18071, Spain
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17
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Bassil K, Krontira AC, Leroy T, Escoto AIH, Snijders C, Pernia CD, Pasterkamp RJ, de Nijs L, van den Hove D, Kenis G, Boks MP, Vadodaria K, Daskalakis NP, Binder EB, Rutten BPF. In vitro modeling of the neurobiological effects of glucocorticoids: A review. Neurobiol Stress 2023; 23:100530. [PMID: 36891528 PMCID: PMC9986648 DOI: 10.1016/j.ynstr.2023.100530] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/25/2023] Open
Abstract
Hypothalamic-pituitary adrenal (HPA)axis dysregulation has long been implicated in stress-related disorders such as major depression and post-traumatic stress disorder. Glucocorticoids (GCs) are released from the adrenal glands as a result of HPA-axis activation. The release of GCs is implicated with several neurobiological changes that are associated with negative consequences of chronic stress and the onset and course of psychiatric disorders. Investigating the underlying neurobiological effects of GCs may help to better understand the pathophysiology of stress-related psychiatric disorders. GCs impact a plethora of neuronal processes at the genetic, epigenetic, cellular, and molecular levels. Given the scarcity and difficulty in accessing human brain samples, 2D and 3D in vitro neuronal cultures are becoming increasingly useful in studying GC effects. In this review, we provide an overview of in vitro studies investigating the effects of GCs on key neuronal processes such as proliferation and survival of progenitor cells, neurogenesis, synaptic plasticity, neuronal activity, inflammation, genetic vulnerability, and epigenetic alterations. Finally, we discuss the challenges in the field and offer suggestions for improving the use of in vitro models to investigate GC effects.
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Affiliation(s)
- Katherine Bassil
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Anthi C Krontira
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.,International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Thomas Leroy
- Institute of Neuroscience, Université Catholique de Louvain, Brussels, Belgium
| | - Alana I H Escoto
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Clara Snijders
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - Cameron D Pernia
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - R Jeroen Pasterkamp
- Department of Translational Neuroscience, University Medical Center (UMC) Utrecht Brain Center, Utrecht University, Utrecht, the Netherlands
| | - Laurence de Nijs
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Daniel van den Hove
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Gunter Kenis
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Marco P Boks
- Psychiatry, UMC Utrecht Brain Center, Utrecht, the Netherlands
| | - Krishna Vadodaria
- Salk Institute for Biological Studies, La Jolla, San Diego, United States
| | | | - Elisabeth B Binder
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.,International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Bart P F Rutten
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
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18
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Tiwari P, Dwivedi R, Bansal M, Tripathi M, Dada R. Role of Gut Microbiota in Neurological Disorders and Its Therapeutic Significance. J Clin Med 2023; 12:1650. [PMID: 36836185 PMCID: PMC9965848 DOI: 10.3390/jcm12041650] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
In humans, the gut microbiota (GM) are known to play a significant role in the metabolism of nutrients and drugs, immunomodulation, and pathogen defense by inhabiting the gastrointestinal tract (GIT). The role of the GM in the gut-brain axis (GBA) has been documented for different regulatory mechanisms and associated pathways and it shows different behaviors with individualized bacteria. In addition, the GM are known as susceptibility factor for neurological disorders in the central nervous system (CNS), regulating disease progression and being amenable to intervention. Bidirectional transmission between the brain and the GM occurs in the GBA, implying that it performs a significant role in neurocrine, endocrine, and immune-mediated signaling pathways. The GM regulates multiple neurological disorders by supplementing them with prebiotics, probiotics, postbiotics, synbiotics, fecal transplantations, and/or antibiotics. A well-balanced diet is critically important for establishing healthy GM, which can alter the enteric nervous system (ENS) and regulate multiple neurological disorders. Here, we have discussed the function of the GM in the GBA from the gut to the brain and the brain to the gut, the pathways associated with neurology that interacts with the GM, and the various neurological disorders associated with the GM. Furthermore, we have highlighted the recent advances and future prospects of the GBA, which may require addressing research concerns about GM and associated neurological disorders.
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Affiliation(s)
- Prabhakar Tiwari
- Molecular Reproduction and Genetics Facility, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Rekha Dwivedi
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Manisha Bansal
- Molecular Reproduction and Genetics Facility, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Manjari Tripathi
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Rima Dada
- Molecular Reproduction and Genetics Facility, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
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19
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Cullinane PW, de Pablo Fernandez E, König A, Outeiro TF, Jaunmuktane Z, Warner TT. Type 2 Diabetes and Parkinson's Disease: A Focused Review of Current Concepts. Mov Disord 2023; 38:162-177. [PMID: 36567671 DOI: 10.1002/mds.29298] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/25/2022] [Accepted: 11/15/2022] [Indexed: 12/27/2022] Open
Abstract
Highly reproducible epidemiological evidence shows that type 2 diabetes (T2D) increases the risk and rate of progression of Parkinson's disease (PD), and crucially, the repurposing of certain antidiabetic medications for the treatment of PD has shown early promise in clinical trials, suggesting that the effects of T2D on PD pathogenesis may be modifiable. The high prevalence of T2D means that a significant proportion of patients with PD may benefit from personalized antidiabetic treatment approaches that also confer neuroprotective benefits. Therefore, there is an immediate need to better understand the mechanistic relation between these conditions and the specific molecular pathways affected by T2D in the brain. Although there is considerable evidence that processes such as insulin signaling, mitochondrial function, autophagy, and inflammation are involved in the pathogenesis of both PD and T2D, the primary aim of this review is to highlight the evidence showing that T2D-associated dysregulation of these pathways occurs not only in the periphery but also in the brain and how this may facilitate neurodegeneration in PD. We also discuss the challenges involved in disentangling the complex relationship between T2D, insulin resistance, and PD, as well as important questions for further research. © 2022 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Patrick W Cullinane
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom.,Reta Lila Weston Institute of Neurological Studies and Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Eduardo de Pablo Fernandez
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom.,Reta Lila Weston Institute of Neurological Studies and Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Annekatrin König
- Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration, University Medical Center Göttingen, Göttingen, Germany
| | - Tiago Fleming Outeiro
- Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration, University Medical Center Göttingen, Göttingen, Germany.,Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.,Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, United Kingdom.,Scientific Employee with an Honorary Contract at Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Göttingen, Germany
| | - Zane Jaunmuktane
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom.,Reta Lila Weston Institute of Neurological Studies and Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom.,Division of Neuropathology, National Hospital for Neurology and Neurosurgery, University College London NHS Foundation Trust, London, United Kingdom.,Queen Square Movement Disorders Centre, UCL Queen Square Institute of Neurology, London, United Kingdom
| | - Thomas T Warner
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom.,Reta Lila Weston Institute of Neurological Studies and Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom.,Queen Square Movement Disorders Centre, UCL Queen Square Institute of Neurology, London, United Kingdom
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20
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Wolfmeier H, Heindl S, Platzl C, Kaser-Eichberger A, Nematian-Ardestani E, Strohmaier C, Pruszak J, Schroedl F. Targeted surface marker screening on neuronal structures in the human choroid. Exp Eye Res 2023; 227:109368. [PMID: 36586549 DOI: 10.1016/j.exer.2022.109368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/23/2022] [Accepted: 12/26/2022] [Indexed: 12/30/2022]
Abstract
While choroidal neuronal control is known to be essential for retinal and ocular health, its mechanisms are not understood. Especially, the local choroidal innervation mediated by intrinsic choroidal neurons (ICN) remains enigmatic. Neuronal functionality depends on the synaptic neurotransmitters and neuroregulatory peptides involved as well as from membrane components presented on the cell surface. Since the neuronal surface molecular expression patterns in the choroid are currently unknown, we sought to determine the presence of various cluster-of-differentiation (CD) antigens in choroidal neuronal structures with a particular focus on ICN. Human choroids were prepared for immunohistochemistry and the pan-neuronal marker PGP9.5 was combined with CD15, CD24, CD29, CD34, CD46, CD49b, CD49e, CD56, CD58, CD59, CD71, CD81, CD90, CD146, CD147, CD151, CD165, CD171, CD184, CD200, CD271 and fluorescence- and confocal laser scanning-microscopy was used for documentation. The following antigens were found to be co-localized in PGP.9.5+ nerve fibers and ICN perikarya: CD29, CD34, CD56, CD81, CD90, CD146, CD147, CD151, CD171, CD200 and CD271, while all other CD markers where not detectable. Whereas CD24- and CD59- immunoreactivity was clearly absent in ICN perikarya, some neural processes of the choroidal stroma displayed CD24 and CD59 immunopositivity. While a multitude of the aforementioned CD-markers were indeed detected in nervous structures of the choroid, the CD24+ and CD59+ nerve fibers most likely have extrinsic origin from cranial ganglia since ICN cell bodies were found to lack both markers. These findings illustrate how the detailed analysis of CD molecules described here opens novel avenues for future functional studies on choroidal innervation and its control.
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Affiliation(s)
- H Wolfmeier
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - S Heindl
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - C Platzl
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - A Kaser-Eichberger
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - E Nematian-Ardestani
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - C Strohmaier
- Department of Ophthalmology and Optometry, Johannes Kepler University, Linz, Austria
| | - J Pruszak
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - F Schroedl
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria.
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21
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Goten C, Usui S, Takashima SI, Inoue O, Yamaguchi K, Hashimuko D, Takeda Y, Nomura A, Sakata K, Kaneko S, Takamura M. Important Role of Endogenous Nerve Growth Factor Receptor in the Pathogenesis of Hypoxia-Induced Pulmonary Hypertension in Mice. Int J Mol Sci 2023; 24:1868. [PMID: 36768190 PMCID: PMC9916204 DOI: 10.3390/ijms24031868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/30/2022] [Accepted: 01/11/2023] [Indexed: 01/19/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) remains a disease with poor prognosis; thus, a new mechanism for PAH treatment is necessary. Circulating nerve growth factor receptor (Ngfr)-positive cells in peripheral blood mononuclear cells are associated with disease severity and the prognosis of PAH patients; however, the role of Ngfr in PAH is unknown. In this study, we evaluated the function of Ngfr using Ngfr gene-deletion (Ngfr-/-) mice. To elucidate the role of Ngfr in pulmonary hypertension (PH), we used Ngfr-/- mice that were exposed to chronic hypoxic conditions (10% O2) for 3 weeks. The development of hypoxia-induced PH was accelerated in Ngfr-/- mice compared to littermate controls. In contrast, the reconstitution of bone marrow (BM) in Ngfr-/- mice transplanted with wild-type BM cells improved PH. Notably, the exacerbation of PH in Ngfr-/- mice was accompanied by the upregulation of pulmonary vascular remodeling-related genes in lung tissue. In a hypoxia-induced PH model, Ngfr gene deletion resulted in PH exacerbation. This suggests that Ngfr may be a key molecule involved in the pathogenesis of PAH.
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Affiliation(s)
- Chiaki Goten
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Soichiro Usui
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Shin-ichiro Takashima
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Oto Inoue
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Kosei Yamaguchi
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Daiki Hashimuko
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Yusuke Takeda
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Ayano Nomura
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Kenji Sakata
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Shuichi Kaneko
- Department of Information-Based Medicine Development, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
| | - Masayuki Takamura
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Ishikawa, Japan
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22
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Lekk I, Cabrera-Cabrera F, Turconi G, Tuvikene J, Esvald EE, Rähni A, Casserly L, Garton DR, Andressoo JO, Timmusk T, Koppel I. Untranslated regions of brain-derived neurotrophic factor mRNA control its translatability and subcellular localization. J Biol Chem 2023; 299:102897. [PMID: 36639028 PMCID: PMC9943900 DOI: 10.1016/j.jbc.2023.102897] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) promotes neuronal survival and growth during development. In the adult nervous system, BDNF is important for synaptic function in several biological processes such as memory formation and food intake. In addition, BDNF has been implicated in development and maintenance of the cardiovascular system. The Bdnf gene comprises several alternative untranslated 5' exons and two variants of 3' UTRs. The effects of these entire alternative UTRs on translatability have not been established. Using reporter and translating ribosome affinity purification analyses, we show that prevalent Bdnf 5' UTRs, but not 3' UTRs, exert a repressive effect on translation. However, contrary to previous reports, we do not detect a significant effect of neuronal activity on BDNF translation. In vivo analysis via knock-in conditional replacement of Bdnf 3' UTR by bovine growth hormone 3' UTR reveals that Bdnf 3' UTR is required for efficient Bdnf mRNA and BDNF protein production in the brain, but acts in an inhibitory manner in lung and heart. Finally, we show that Bdnf mRNA is enriched in rat brain synaptoneurosomes, with higher enrichment detected for exon I-containing transcripts. In conclusion, these results uncover two novel aspects in understanding the function of Bdnf UTRs. First, the long Bdnf 3' UTR does not repress BDNF expression in the brain. Second, exon I-derived 5' UTR has a distinct role in subcellular targeting of Bdnf mRNA.
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Affiliation(s)
- Ingrid Lekk
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | | | - Giorgio Turconi
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland,Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jürgen Tuvikene
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia,Protobios Llc, Tallinn, Estonia
| | - Eli-Eelika Esvald
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia,Protobios Llc, Tallinn, Estonia
| | - Annika Rähni
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia,Protobios Llc, Tallinn, Estonia
| | - Laoise Casserly
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland,Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Daniel R. Garton
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland,Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jaan-Olle Andressoo
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland; Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Division of Neurogeriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society (NVS), Karolinska Institutet, Stockholm, Sweden.
| | - Tõnis Timmusk
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia; Protobios Llc, Tallinn, Estonia.
| | - Indrek Koppel
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia.
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23
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Zhang W, Li Z, Lan W, Guo H, Chen F, Wang F, Shen G, Xia Q, Zhao P. Bioengineered silkworm model for expressing human neurotrophin-4 with potential biomedical application. Front Physiol 2023; 13:1104929. [PMID: 36685209 PMCID: PMC9846172 DOI: 10.3389/fphys.2022.1104929] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 12/20/2022] [Indexed: 01/05/2023] Open
Abstract
Neurotrophin-4 (NT-4) is a neurotrophic factor that plays important roles in maintaining nerve cell survival, regulating neuronal differentiation and apoptosis, and promoting nerve injury repair. However, the source of sufficient NT-4 protein and efficient delivery of NT-4 remain a challenge. This study aims to express an activated human NT-4 protein in a large scale by genetically engineering silk gland bioreactor of silkworm as a host. We showed that the expression of human NT-4-functionalized silk material could promote proliferation of mouse HT22 cells when compared to the natural silk protein, and no obvious cytotoxicity was observed under the conditions of different silk materials. Importantly, this functional silk material was able to induce the potential differentiation of HT22 cells, promote peripheral neural cell migration and neurite outgrowth of chicken embryo dorsal root ganglion (DRG). All these results demonstrated a high bioactivity of human NT-4 protein produced in silk gland. Therefore, based on the silkworm model, the further fabrication of different silk materials-carrying active NT-4 protein with good mechanical properties and great biocompatibility will give promising applications in tissue engineering and neurons regeneration.
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Affiliation(s)
- Wenchang Zhang
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Zhiqing Li
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Weiqun Lan
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Hao Guo
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Feng Chen
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Feng Wang
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Guanwang Shen
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Qingyou Xia
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China
| | - Ping Zhao
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing, China,Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City & Southwest University, Chongqing, China,Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, China,*Correspondence: Ping Zhao,
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24
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He J, Han D, Jia C, Xie J, Zhu F, Wei J, Li D, Wei D, Li Y, Tang L, Wei G, Yan J, Tong Y, Yang L, Tan X. Integrating Network Pharmacology, Molecular Docking and Pharmacological Evaluation for Exploring the Polyrhachis vicina Rogers in Ameliorating Depression. Drug Des Devel Ther 2023; 17:717-735. [PMID: 36923105 PMCID: PMC10010188 DOI: 10.2147/dddt.s399183] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/12/2023] [Indexed: 03/10/2023] Open
Abstract
Purpose To investigate the mechanisms of antidepressant action of active fraction of Polyrhachis vicina Rogers (AFPR) through network pharmacology, molecular docking and experimental validation. Methods GC-MS was used to predict chemical compounds, corresponding databases were used to predict chemical compound targets and depression targets, Cytoscape software was used to construct and analyze the protein interaction network map, DAVID database was used to analyze gene ontology (GO) and KEGG signaling pathway, and AGFR software was used to perform molecular docking. Subsequently, the underlying action mechanisms of AFPR on depression predicted by network pharmacology analyses were experimentally validated in a CORT-induced depression model in vitro and in vivo. Results A total of 52 potential targets of AFPR on antidepressant were obtained. GO is mainly related to chemical synaptic transmission, signal transduction and others. KEGG signaling pathways are mainly related to cAMP signaling pathway and C-type lectin receptor signaling pathway. The experiment results showed that AFPR significantly increased the expression of PRKACA, CREB and BDNF in mouse brain tissue and PC12 cells. Furthermore, after interfered of cAMP in PC12 cells, the decreased expression of PRKACA, CREB and BDNF was reversed by AFPR. Conclusion AFPR may exert antidepressant effects through multiple components, targets and pathways. Furthermore, it could improve neuroplasticity via the cAMP signaling pathway to improve depression-like symptoms.
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Affiliation(s)
- Junhui He
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Dongbo Han
- Department of Pharmacology, Guangxi Medical University, Nanning, 530021, People's Republic of China
| | - Chunlian Jia
- Department of Pharmacology, Guangxi Medical University, Nanning, 530021, People's Republic of China
| | - Jiaxiu Xie
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Fucui Zhu
- Department of Pharmacology, Guangxi Medical University, Nanning, 530021, People's Republic of China
| | - Jie Wei
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Dongmei Li
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Dongmei Wei
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Yi Li
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Li Tang
- Department of Pharmacy, the First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, 530022, People's Republic of China
| | - Guining Wei
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China.,Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530008, People's Republic of China
| | - Jing Yan
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530008, People's Republic of China
| | - Yuanming Tong
- Department of Pharmacology, Key Laboratory of Quality Standards, Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning, 530022, People's Republic of China
| | - Lifang Yang
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530008, People's Republic of China
| | - Xuecai Tan
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530008, People's Republic of China
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25
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Huang Y, Zhang X, Huang Q, Dou Y, Qu C, Xu Q, Yuan Q, Xian YF, Lin ZX. Quercetin enhances survival and axonal regeneration of motoneurons after spinal root avulsion and reimplantation: experiments in a rat model of brachial plexus avulsion. Inflamm Regen 2022; 42:56. [PMID: 36456978 PMCID: PMC9714227 DOI: 10.1186/s41232-022-00245-3] [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: 03/19/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Brachial plexus avulsion (BPA) physically involves the detachment of spinal nerve roots themselves and the associated spinal cord segment, leading to permanent paralysis of motor function of the upper limb. Root avulsion induces severe pathological changes, including inflammatory reaction, oxidative damage, and finally massive motoneuron apoptosis. Quercetin (QCN), a polyphenolic flavonoid found in abundance in fruit and vegetables, has been reported to possess anti-oxidative, anti-inflammatory, and neuroprotective effects in many experimental models of both central nervous system (CNS) and peripheral nervous system (PNS) disorders. The purpose of this study was to investigate whether QCN could improve motor function recovery after C5-7 ventral root avulsion and C6 reimplantation in a rat model of BPA. METHODS The right fifth cervical (C5) to C7 ventral roots were avulsed followed by re-implantation of only C6 to establish the spinal root avulsion plus re-implantation model in rats. After surgery, rats were treated with QCN (25, 50, and 100 mg/kg) by gavage for 2 or 8 consecutive weeks. The effects of QCN were assessed using behavior test (Terzis grooming test, TGT) and histological evaluation. The molecular mechanisms were determined by immunohistochemistry analysis and western blotting. RESULTS Our results demonstrated that QCN significantly expedited motor function recovery in the forelimb as shown by the increased Terzis grooming test score, and accelerated motor axon regeneration as evidenced by the ascending number of Fluoro-Ruby-labeled and P75-positive regenerative motoneurons. The raised ChAT-immunopositive and cresyl violet-stained neurons indicated the enhanced survival of motoneurons by QCN administration. Furthermore, QCN treatment markedly alleviated muscle atrophy, restored functional motor endplates in biceps and inhibited the microglial and astroglia activation via modulating Nrf2/HO-1 and neurotrophin/Akt/MAPK signaling pathway. CONCLUSIONS Taken together, these findings have for the first time unequivocally indicated that QCN has promising potential for further development into a novel therapeutic in conjunction with reimplantation surgery for the treatment of BPA. .
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Affiliation(s)
- Yanfeng Huang
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China
| | - Xie Zhang
- grid.411866.c0000 0000 8848 7685School of Basic Medical Sciences, Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong People’s Republic of China
| | - Qionghui Huang
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China
| | - Yaoxing Dou
- grid.411866.c0000 0000 8848 7685The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Chang Qu
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China
| | - Qingqing Xu
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China
| | - Qiuju Yuan
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China ,grid.9227.e0000000119573309Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong Science Park, Shatin, N.T., Hong Kong, SAR China
| | - Yan-Fang Xian
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China
| | - Zhi-Xiu Lin
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR China ,grid.10784.3a0000 0004 1937 0482Hong Kong Institute of Integrative Medicine, The Chinese University of Hong Kong, Hong Kong, SAR China
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PILLEROVÁ M, PASTOREK M, BORBÉLYOVÁ V, RILJAK V, FRICK KM, HODOSY J, TÓTHOVÁ Ľ. Sex steroid hormones in depressive disorders as a basis for new potential treatment strategies. Physiol Res 2022; 71:S187-S202. [PMID: 36647907 PMCID: PMC9906660 DOI: 10.33549/physiolres.935001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The sex steroid hormones (SSHs) such as testosterone, estradiol, progesterone, and their metabolites have important organizational and activational impacts on the brain during critical periods of brain development and in adulthood. A variety of slow and rapid mechanisms mediate both organizational and activational processes via intracellular or membrane receptors for SSHs. Physiological concentrations and distribution of SSHs in the brain result in normal brain development. Nevertheless, dysregulation of hormonal equilibrium may result in several mood disorders, including depressive disorders, later in adolescence or adulthood. Gender differences in cognitive abilities, emotions as well as the 2-3 times higher prevalence of depressive disorders in females, were already described. This implies that SSHs may play a role in the development of depressive disorders. In this review, we discuss preclinical and clinical studies linked to SSHs and development of depressive disorders. Our secondary aim includes a review of up-to-date knowledge about molecular mechanisms in the pathogenesis of depressive disorders. Understanding these molecular mechanisms might lead to significant treatment adjustments for patients with depressive disorders and to an amelioration of clinical outcomes for these patients. Nevertheless, the impact of SSHs on the brain in the context of the development of depressive disorders, progression, and treatment responsiveness is complex in nature, and depends upon several factors in concert such as gender, age, comorbidities, and general health conditions.
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Affiliation(s)
- Miriam PILLEROVÁ
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Michal PASTOREK
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Veronika BORBÉLYOVÁ
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Vladimír RILJAK
- Institute of Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Karyn M. FRICK
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA
| | - Július HODOSY
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Ľubomíra TÓTHOVÁ
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
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Knockdown of NCOR2 Inhibits Cell Proliferation via BDNF/TrkB/ERK in NF1-Derived MPNSTs. Cancers (Basel) 2022; 14:cancers14235798. [PMID: 36497280 PMCID: PMC9738545 DOI: 10.3390/cancers14235798] [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: 11/04/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022] Open
Abstract
(1) Background: malignant peripheral nerve sheath tumours (MPNSTs) are aggressive Schwann cell-derived sarcomas with dismal prognoses. Previous studies have shown that nuclear receptor corepressor 2 (NCOR2) plays a vital role in neurodevelopment and in various tumours. However, the impact of NCOR2 on the progression of MPNST remains unclear. (2) Methods: by GEO database, MPNST tissue microarray, and NF1-related tumour tissues and cell lines were used to explore NCOR2 expression level in the MPNSTs. The role and mechanism of NCOR2 in NF1-derived MPNSTs were explored by experiments in vivo and in vitro and by transcriptome high-throughput sequencing. (3) Results: NCOR2 expression is significantly elevated in NF1-derived MPNSTs and is associated with patient 10-year survival time. Knockdown of NCOR2 suppressed NF1-derived MPNST cell proliferation by blocking the cell cycle in the G0/G1 phase. Moreover, decreased NCOR2 expression could down-regulate MAPK signal activity through the BDNF/TrkB pathway. (4) Conclusions: our findings demonstrated that NCOR2 expression is significantly elevated in NF1-derived MPNSTs. NCOR2 knockdown can inhibit NF1-derived MPNST cell proliferation by weakened BDNF/TrkB/ERK signalling. Targeting NF1-derived MPNSTs with TrkB inhibitors, or in combination with ERK inhibitors, may be a novel therapeutic strategy for clinical trials.
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Amato G, Romano G, Rodolico V, Puleio R, Calò PG, Di Buono G, Cicero L, Romano G, Goetze TO, Agrusa A. Dynamic Responsive Inguinal Scaffold Activates Myogenic Growth Factors Finalizing the Regeneration of the Herniated Groin. J Funct Biomater 2022; 13:jfb13040253. [PMID: 36412894 PMCID: PMC9680268 DOI: 10.3390/jfb13040253] [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: 11/01/2022] [Revised: 11/12/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Postoperative chronic pain caused by fixation and/or fibrotic incorporation of hernia meshes are the main concerns in inguinal herniorrhaphy. As inguinal hernia is a degenerative disease, logically the treatment should aim at stopping degeneration and activating regeneration. Unfortunately, in conventional prosthetic herniorrhaphy no relationship exists between pathogenesis and treatment. To overcome these incongruences, a 3D dynamic responsive multilamellar scaffold has been developed for fixation-free inguinal hernia repair. Made of polypropylene like conventional flat meshes, the dynamic behavior of the scaffold allows for the regeneration of all typical inguinal components: connective tissue, vessels, nerves, and myocytes. This investigation aims to demonstrate that, moving in tune with the groin, the 3D scaffold attracts myogenic growth factors activating the development of mature myocytes and, thus, re-establishing the herniated inguinal barrier. METHODS Biopsy samples excised from the 3D scaffold at different postoperative stages were stained with H&E and Azan-Mallory; immunohistochemistry for NGF and NGFR p75 was performed to verify the degree of involvement of muscular growth factors in the neomyogenesis. RESULTS Histological evidence of progressive muscle development and immunohistochemical proof of NFG and NFGRp75 contribution in neomyogenesis within the 3D scaffold was documented and statistically validated. CONCLUSION The investigation appears to confirm that a 3D polypropylene scaffold designed to confer dynamic responsivity, unlike the fibrotic scar plate of static meshes, attracts myogenic growth factors turning the biological response into tissue regeneration. Newly developed muscles allow the scaffold to restore the integrity of the inguinal barrier.
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Affiliation(s)
- Giuseppe Amato
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
- Correspondence: (G.A.); (L.C.)
| | - Giorgio Romano
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Vito Rodolico
- Department PROMISE, Section Pathological Anatomy, University of Palermo, 90127 Palermo, Italy
| | - Roberto Puleio
- Department of Pathologic Anatomy and Histology, IZSS, 90129 Palermo, Italy
| | - Pietro Giorgio Calò
- Department of Surgical Sciences, University of Cagliari, 09042 Cagliari, Italy
| | - Giuseppe Di Buono
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Luca Cicero
- CEMERIT—IZSS, Via Gino Marinuzzi, 3, 90129 Palermo, Italy
- Correspondence: (G.A.); (L.C.)
| | - Giorgio Romano
- Postgraduate School of General Surgery, University of Palermo, 90127 Palermo, Italy
| | - Thorsten Oliver Goetze
- Institut für Klinisch-Onkologische Forschung Krankenhaus Nordwest, 60488 Frankfurt/Main, Germany
| | - Antonino Agrusa
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
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Liang ZJ, Tan J, Tang L, Xie ZB, Chen GJ, Liu GJ, Yuan L, Wang KX, Ding HP, Qiu H, Wang Q, Wang GF, Chen YL, Wang CH. NGF monoclonal antibody DS002 alleviates chemotherapy-induced peripheral neuropathy in rats. Acta Pharmacol Sin 2022; 43:2841-2847. [PMID: 35468993 PMCID: PMC9622678 DOI: 10.1038/s41401-022-00904-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/27/2022] [Indexed: 12/25/2022] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is one of the pervasive side effects of chemotherapy, leading to poor quality of life in cancer patients. Discovery of powerful analgesics for CIPN is an urgent and substantial clinical need. Nerve growth factor (NGF), a classic neurotrophic factor, has been identified as a potential therapeutic target for pain. In this study, we generated a humanized NGF monoclonal antibody (DS002) that most effectively blocked the interaction between NGF and tropomyosin receptor kinase A (TrkA). We showed that DS002 blocked NGF binding to TrkA in a dose-dependent manner with an IC50 value of 6.6 nM; DS002 dose-dependently inhibited the proliferation of TF-1 cells by blocking the TrkA-mediated downstream signaling pathway. Furthermore, DS002 did not display noticeable species differences in its binding and blocking abilities. In three chemotherapy-induced rat models of CIPN, subcutaneous injection of DS002 produced a significant prophylactic effect against paclitaxel-, cisplatin- and vincristine-induced peripheral neuropathy. In conclusion, we demonstrate for the first time that an NGF inhibitor effectively alleviates pain in animal models of CIPN. DS002 has the potential to treat CIPN pain in the clinic.
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Affiliation(s)
- Zhi-Juan Liang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jie Tan
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
- Shanghai Mabstone Biotechnologies, Ltd., Shanghai, 201203, China
| | - Lei Tang
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Zuo-Bin Xie
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Gan-Jun Chen
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
- Shanghai Mabstone Biotechnologies, Ltd., Shanghai, 201203, China
| | - Guo-Jian Liu
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Lin Yuan
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Kai-Xin Wang
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Hua-Ping Ding
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
| | - Hong Qiu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Qi Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gui-Feng Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yi-Li Chen
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China
- Shanghai Mabstone Biotechnologies, Ltd., Shanghai, 201203, China
| | - Chun-He Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Dartsbio Pharmaceuticals, Ltd., Zhongshan, 528400, China.
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Jorge DDMF, Huber SC, Rodrigues BL, Da Fonseca LF, Azzini GOM, Parada CA, Paulus-Romero C, Lana JFSD. The Mechanism of Action between Pulsed Radiofrequency and Orthobiologics: Is There a Synergistic Effect? Int J Mol Sci 2022; 23:ijms231911726. [PMID: 36233026 PMCID: PMC9570243 DOI: 10.3390/ijms231911726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/07/2022] [Accepted: 09/16/2022] [Indexed: 12/04/2022] Open
Abstract
Radiofrequency energy is a common treatment modality for chronic pain. While there are different forms of radiofrequency-based therapeutics, the common concept is the generation of an electromagnetic field in the applied area, that can result in neuromodulation (pulsed radiofrequency—PRF) or ablation. Our specific focus relates to PRF due to the possibility of modulation that is in accordance with the mechanisms of action of orthobiologics. The proposed mechanism of action of PRF pertaining to pain relief relies on a decrease in pro-inflammatory cytokines, an increase in cytosolic calcium concentration, a general effect on the immune system, and a reduction in the formation of free radical molecules. The primary known properties of orthobiologics constitute the release of growth factors, a stimulus for endogenous repair, analgesia, and improvement of the function of the injured area. In this review, we described the mechanism of action of both treatments and pertinent scientific references to the use of the combination of PRF and orthobiologics. Our hypothesis is a synergic effect with the combination of both techniques which could benefit patients and improve the life quality.
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Affiliation(s)
| | - Stephany Cares Huber
- Orthoregen International Course—Avenida Presidente Kennedy, 1386, Cidade Nova I, Indaiatuba 13334-170, Brazil
| | - Bruno Lima Rodrigues
- Orthoregen International Course—Avenida Presidente Kennedy, 1386, Cidade Nova I, Indaiatuba 13334-170, Brazil
| | - Lucas Furtado Da Fonseca
- Orthopaedic Department, Universidade Federal de São Paulo, 715 Napoleão de Barros St-Vila Clementino, São Paulo 04024-002, Brazil
| | - Gabriel Ohana Marques Azzini
- Department of Orthopaedics, Brazilian Institute of Regenerative Medicine, Cidade Nova I, Indaiatuba 13334-170, Brazil
| | - Carlos Amilcar Parada
- Laboratory of Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas 13083-862, Brazil
| | - Christian Paulus-Romero
- American Academy of Regenerative Medicine, 14405 West Colfax Avenue, #291, Lakewood, CO 80401, USA
| | - José Fábio Santos Duarte Lana
- Orthoregen International Course—Avenida Presidente Kennedy, 1386, Cidade Nova I, Indaiatuba 13334-170, Brazil
- Department of Orthopaedics, Brazilian Institute of Regenerative Medicine, Cidade Nova I, Indaiatuba 13334-170, Brazil
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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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32
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Chaudhry GES, Md Akim A, Sung YY, Sifzizul TMT. Cancer and apoptosis: The apoptotic activity of plant and marine natural products and their potential as targeted cancer therapeutics. Front Pharmacol 2022; 13:842376. [PMID: 36034846 PMCID: PMC9399632 DOI: 10.3389/fphar.2022.842376] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 07/13/2022] [Indexed: 11/24/2022] Open
Abstract
Cancer is a multifactorial, multi-stage disease, including complex cascades of signaling pathways—the cell growth governed by dysregulated and abrupt cell division. Due to the complexity and multi-regulatory cancer progression, cancer is still a challenging disease to treat and survive. The screening of extracts and fractions from plants and marine species might lead to the discovery of more effective compounds for cancer therapeutics. The isolated compounds and reformed analogs were known as future prospective contenders for anti-cancer chemotherapy. For example, Taxol, a potent mitotic inhibitor discovered from Taxus brevifolia, suppresses cell growth and arrest, induces apoptosis, and inhibits proliferation. Similarly, marine sponges show remarkable tumor chemo preventive and chemotherapeutic potential. However, there is limited research to date. Several plants and marine-derived anti-cancer compounds having the property to induce apoptosis have been approved for clinical trials. The anti-cancer activity kills the cell and slows the growth of cancer cells. Among cell death mechanisms, apoptosis induction is a more profound mechanism of cell death triggered by naturally isolated anti-cancer agents. Evading apoptosis is the major hurdle in killing cancer cells, a mechanism mainly regulated as intrinsic and extrinsic. However, it is possible to modify the apoptosis-resistant phenotype of the cell by altering many of these mechanisms. Various extracts and fractions successfully induce apoptosis, cell-cycle modulation, apoptosis, and anti-proliferative activity. Therefore, there is a pressing need to develop new anti-cancer drugs of natural origins to reduce the effects on normal cells. Here, we’ve emphasized the most critical elements: i) A better understanding of cancer progression and development and its origins, ii) Molecular strategies to inhibit the cell proliferation/Carcino-genesis, iii) Critical regulators of cancer cell proliferation and development, iv) Signaling Pathways in Apoptosis: Potential Targets for targeted therapeutics, v) Why Apoptosis induction is mandatory for effective chemotherapy, vi) Plants extracts/fractions as potential apoptotic inducers, vii) Marine extracts as Apoptotic inducers, viii) Marine isolated Targeted compounds as Apoptotic inducers (FDA Approved/treatment Phase). This study provides a potential therapeutic option for cancer, although more clinical studies are needed to verify its efficacy in cancer chemotherapy.
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Affiliation(s)
- Gul-e-Saba Chaudhry
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
- *Correspondence: Gul-e-Saba Chaudhry, ,
| | - Abdah Md Akim
- Department of Biomedical Sciences, Faculty of Medicine and Health sciences, University of Putra Malaysia, Seri Kembangan, Malaysia
| | - Yeong Yik Sung
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
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Square-Stepping Exercise Program Effects on Fall-Related Fitness and BDNF Levels in Older Adults in Korea: A Randomized Controlled Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127033. [PMID: 35742280 PMCID: PMC9222997 DOI: 10.3390/ijerph19127033] [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: 04/27/2022] [Revised: 06/05/2022] [Accepted: 06/07/2022] [Indexed: 01/27/2023]
Abstract
The risk of dementia increases with age. To mitigate this risk, we examined the effect of a square-stepping exercise (SSE) program on fall-related fitness and brain-derived neurotrophic factor (BDNF) levels. Twenty older adults in Korea were randomly assigned to either the experimental or control group (each group n = 10). Participants performed SSE for 70 min per session, twice a week, for 12 weeks with a certified instructor. The average age of the participants was 74.80 ± 6.763 years in the exercise group and 72.50 ± 6.519 years in the control group. The experiment group showed significant improvement (p < 0.01) in the lower muscle strength post-intervention. The paired t-test revealed a significant improvement (p < 0.01) in the experimental group and a significant difference in the interaction effect (p < 0.01) in the BDNF levels. There was a significant improvement (p < 0.05) in the BDNF levels in the experimental group and a significant decrease (p < 0.05) in the control group. The SSE program had a positive effect on fall-related fitness and BDNF levels.
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Morais FA, Lemos IS, Matiola RT, Freitas MLS, Alano CG, Cabral J, Wessler LB, Generoso JS, Scaini G, Réus GZ, Streck EL. Coadministration of tianeptine alters behavioral parameters and levels of neurotrophins in a chronic model of Maple Syrup Urine disease. Metab Brain Dis 2022; 37:1585-1596. [PMID: 35394251 DOI: 10.1007/s11011-022-00969-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/21/2022] [Indexed: 10/18/2022]
Abstract
Maple Syrup Urine Disease (MSUD) is caused by the deficiency in the activity of the branched-chain α-ketoacid dehydrogenase complex (BCKDC), resulting in the accumulation of the branched-chain amino acids (BCAA) leucine, isoleucine, and valine, and their respective branched-chain α-keto acids. Patients with MSUD are at high risk of developing chronic neuropsychiatric disorders; however, the pathophysiology of brain damage in these patients remains unclear. We hypothesize that MSUD can cause depressive symptoms in patients. To test our hypothesis, Wistar rats were submitted to the BCAA and tianeptine (antidepressant) administration for 21 days, starting seven days postnatal. Depression-like symptoms were assessed by testing for anhedonia and forced swimming after treatments. After the last test, the brain structures were dissected for the evaluation of neutrophins. We demonstrate that chronic BCAA administration induced depressive-like behavior, increased BDNF levels, and decreased NGF levels, suggesting a relationship between BCAA toxicity and brain damage, as observed in patients with MSUD. However, the administration of tianeptine was effective in preventing behavioral changes and restoring neurotrophins levels.
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Affiliation(s)
- Fábio A Morais
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Isabela S Lemos
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Rafaela T Matiola
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Maria Luísa S Freitas
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Carolina G Alano
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Julia Cabral
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Leticia B Wessler
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Jaqueline S Generoso
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Giselli Scaini
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Gislaine Z Réus
- Laboratório de Psiquiatria Translacional, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil
| | - Emilio L Streck
- Laboratório de Doenças Neurometabólicas, Laboratório de Neurologia Experimental, Programa de Pós-Graduação Em Ciências da Saúde, Universidade Do Extremo Sul Catarinense, Criciúma, SC, Brasil.
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Kazemi F, Babri S, Keyhanmehr P, Farid-Habibi M, Rad SN, Farajdokht F. Maternal vitamin D supplementation and treadmill exercise attenuated vitamin D deficiency-induced anxiety-and depressive-like behaviors in adult male offspring rats. Nutr Neurosci 2022; 26:470-482. [PMID: 35470763 DOI: 10.1080/1028415x.2022.2059203] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Vitamin D is a vital neuroactive steroid for brain development and function. Vitamin D deficiency is a worldwide health problem, particularly in children and women. Gestational or developmental vitamin D deficiency is associated with an increased risk of neurodevelopmental and neuropsychiatric disorders. This study examined the effect of maternal vitamin D dietary manipulations and treadmill exercise on anxiety-and depressive-related behaviors, pro-inflammatory cytokines, and prefrontal cortex (PFC) protein levels of brain-derived neurotrophic factor (BDNF) and vitamin D receptor (VDR) in adult male offspring born to vitamin D-deficient diet (VDD)-fed dams. METHODS AND RESULTS Female rats were provided standard diet (SD) or VDD for six weeks and then were treated with SD (started a week before mating throughout gestation and lactation) and treadmill exercise (a week before mating until gestational day 20). Male offspring were separated on postnatal day (PND) 21 and fed SD chow until PND90. Our results demonstrated that maternal vitamin D deficiency increased anxiety and depression-related behaviors, increased levels of TNF-α and IL-1β in serum, and decreased prefrontal protein expressions of BDNF and VDR in adult male offspring. However, maternal vitamin D supplementation and treadmill exercise reversed these changes alone or in combination. CONCLUSION It seems that developmental vitamin D deficiency disrupts brain development and has a long-lasting effect on VDR and BDNF signaling in the rat brain resulting in neuropsychiatric disorders in offspring. Therefore, vitamin D supplementation and physical exercise are reasonable strategies to prevent these neurobehavioral impairments.
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Affiliation(s)
- Faezeh Kazemi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shirin Babri
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parisa Keyhanmehr
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahsa Farid-Habibi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepehr Nayebi Rad
- Student's Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Fereshteh Farajdokht
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Sümer Coşkun A, Bedel HA, Munzuroğlu M, Derin N, Usta C. Does Resveratrol Prevent Sevoflurane Toxicity in Newborn Rats? J Med Food 2022; 25:557-563. [PMID: 35420459 DOI: 10.1089/jmf.2021.0154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Inhalation anesthetics have been shown to cause neurodevelopmental disorders and neurotoxic effects. In this study, we aimed to investigate the effect of resveratrol on the possible neurotoxic effect of sevoflurane and the brain-derived neurotrophic factor (BDNF) pathway in newborn rats. The animals were divided into four groups: control, sevoflurane, sevoflurane+resveratrol 25 mg/kg, and sevoflurane+resveratrol 50 mg/kg. The groups that received anesthesia were given 3% sevoflurane for 2 h on the postnatal seventh, eighth, and ninth days. Control gas was applied to the control group. The Morris water maze (MWM) test was performed on postnatal 35th day. After performing the open field test on the postnatal 41st day, the animals were dissected, and the hippocampal BDNF levels were determined by Western blot method. In the MWM test, there was a significant decrease in the time spent in the target quadrant in the sevoflurane anesthesia group compared with control group. This reduction was reversed with the resveratrol pretreatment. Sevoflurane exposure significantly decreased hippocampal BDNF levels compared with the control group. The resveratrol 25 mg/kg pretreatment did not reverse this reduction, whereas resveratrol 50 mg/kg ameliorated this impairment. Sevoflurane did not cause any significant difference in the rats' performance in the open field test. However, 50 mg/kg resveratrol pretreatment caused a statistically significant increase in this performance. Our results showed that sevoflurane impaired learning and memory functions in newborn rats and resveratrol reversed this deterioration. Also BDNF might play a role in this beneficial effect of resveratrol.
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Affiliation(s)
| | - Hatice Aslı Bedel
- Pharmacology Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Mustafa Munzuroğlu
- Biophysics Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Narin Derin
- Biophysics Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Coşkun Usta
- Pharmacology Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
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Zamarbide M, Martinez-Pinilla E, Gil-Bea F, Yanagisawa M, Franco R, Perez-Mediavilla A. Genetic Inactivation of Free Fatty Acid Receptor 3 Impedes Behavioral Deficits and Pathological Hallmarks in the APP swe Alzheimer's Disease Mouse Model. Int J Mol Sci 2022; 23:ijms23073533. [PMID: 35408893 PMCID: PMC8999053 DOI: 10.3390/ijms23073533] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/20/2022] [Accepted: 03/21/2022] [Indexed: 01/01/2023] Open
Abstract
The free fatty acid FFA3 receptor (FFA3R) belongs to the superfamily of G-protein-coupled receptors (GPCRs). In the intestine and adipose tissue, it is involved in the regulation of energy metabolism, but its function in the brain is unknown. We aimed, first, to investigate the expression of the receptor in the hippocampus of Alzheimer disease (AD) patients at different stages of the disease and, second, to assess whether genetic inactivation of the Ffar3 gene could affect the phenotypic features of the APPswe mouse model. The expression of transcripts for FFA receptors in postmortem human hippocampal samples and in the hippocampus of wild-type and transgenic mice was analyzed by RT-qPCR. We generated a double transgenic mouse, FFA3R−/−/APPswe, to perform cognition studies and to assess, by immunoblotting Aβ and tau pathologies and the differential expression of synaptic plasticity-related proteins. For the first time, the occurrence of the FFA3R in the human hippocampus and its overexpression, even in the first stages of AD, was demonstrated. Remarkably, FFA3R−/−/APPswe mice do not have the characteristic memory impairment of 12-month-old APPswe mice. Additionally, this newly generated transgenic line does not develop the most important Alzheimer’s disease (AD)-related features, such as amyloid beta (Aβ) brain accumulations and tau hyperphosphorylation. These findings are accompanied by increased levels of the insulin-degrading enzyme (IDE) and lower activity of the tau kinases GSK3β and Cdk5. We conclude that the brain FFA3R is involved in cognitive processes and that its inactivation prevents AD-like cognitive decline and pathological hallmarks.
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Affiliation(s)
- Marta Zamarbide
- Neuroscience Program, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.Z.); (E.M.-P.); (F.G.-B.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), 31008 Pamplona, Spain
| | - Eva Martinez-Pinilla
- Neuroscience Program, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.Z.); (E.M.-P.); (F.G.-B.)
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, 33006 Oviedo, Spain
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33003 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Francisco Gil-Bea
- Neuroscience Program, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.Z.); (E.M.-P.); (F.G.-B.)
| | - Masashi Yanagisawa
- International Institute for Integrative Sleep Medicine, University of Tsukuba, Tsukuba 305-8577, Japan;
| | - Rafael Franco
- Neuroscience Program, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.Z.); (E.M.-P.); (F.G.-B.)
- Department of Biochemistry and Molecular Biomedicine, University of Barcelona, 08028 Barcelona, Spain
- Network Center, Neurodegenerative Diseases, CiberNed, Spanish National Health Institute “Carlos III”, 28031 Madrid, Spain
- Correspondence: (R.F.); (A.P.-M.); Tel.: +34-934021208 (R.F.); +34-948194700 (ext. 2033) (A.P.-M.)
| | - Alberto Perez-Mediavilla
- Neuroscience Program, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.Z.); (E.M.-P.); (F.G.-B.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), 31008 Pamplona, Spain
- Department of Biochemistry and Genetics, University of Navarra, 31008 Pamplona, Spain
- Correspondence: (R.F.); (A.P.-M.); Tel.: +34-934021208 (R.F.); +34-948194700 (ext. 2033) (A.P.-M.)
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Honeycutt SE, N'Guetta PEY, O'Brien LL. Innervation in organogenesis. Curr Top Dev Biol 2022; 148:195-235. [PMID: 35461566 PMCID: PMC10636594 DOI: 10.1016/bs.ctdb.2022.02.004] [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: 10/18/2022]
Abstract
Proper innervation of peripheral organs helps to maintain physiological homeostasis and elicit responses to external stimuli. Disruptions to normal function can result in pathophysiological consequences. The establishment of connections and communication between the central nervous system and the peripheral organs is accomplished through the peripheral nervous system. Neuronal connections with target tissues arise from ganglia partitioned throughout the body. Organ innervation is initiated during development with stimuli being conducted through several types of neurons including sympathetic, parasympathetic, and sensory. While the physiological modulation of mature organs by these nerves is largely understood, their role in mammalian development is only beginning to be uncovered. Interactions with cells in target tissues can affect the development and eventual function of several organs, highlighting their significance. This chapter will cover the origin of peripheral neurons, factors mediating organ innervation, and the composition and function of organ-specific nerves during development. This emerging field aims to identify the functional contribution of innervation to development which will inform future investigations of normal and abnormal mammalian organogenesis, as well as contribute to regenerative and organ replacement efforts where nerve-derived signals may have significant implications for the advancement of such studies.
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Affiliation(s)
- Samuel E Honeycutt
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Pierre-Emmanuel Y N'Guetta
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lori L O'Brien
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
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Pillerová M, Borbélyová V, Pastorek M, Riljak V, Hodosy J, Frick KM, Tóthová L. Molecular actions of sex hormones in the brain and their potential treatment use in anxiety disorders. Front Psychiatry 2022; 13:972158. [PMID: 36159923 PMCID: PMC9492942 DOI: 10.3389/fpsyt.2022.972158] [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: 06/21/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Anxiety disorders are one of the most prevalent mood disorders that can lead to impaired quality of life. Current treatment of anxiety disorders has various adverse effects, safety concerns, or restricted efficacy; therefore, novel therapeutic targets need to be studied. Sex steroid hormones (SSHs) play a crucial role in the formation of brain structures, including regions of the limbic system and prefrontal cortex during perinatal development. In the brain, SSHs have activational and organizational effects mediated by either intracellular or transmembrane G-protein coupled receptors. During perinatal developmental periods, the physiological concentrations of SSHs lead to the normal development of the brain; however, the early hormonal dysregulation could result in various anxiety diorders later in life. Sex differences in the prevalence of anxiety disorders suggest that SSHs might be implicated in their development. In this review, we discuss preclinical and clinical studies regarding the role of dysregulated SSHs signaling during early brain development that modifies the risk for anxiety disorders in a sex-specific manner in adulthood. Moreover, our aim is to summarize potential molecular mechanisms by which the SSHs may affect anxiety disorders in preclinical research. Finally, the potential effects of SSHs in the treatment of anxiety disorders are discussed.
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Affiliation(s)
- Miriam Pillerová
- Faculty of Medicine, Institute of Molecular Biomedicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Veronika Borbélyová
- Faculty of Medicine, Institute of Molecular Biomedicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Michal Pastorek
- Faculty of Medicine, Institute of Molecular Biomedicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Vladimír Riljak
- First Faculty of Medicine, Institute of Physiology, Charles University, Prague, Czechia
| | - Július Hodosy
- Faculty of Medicine, Institute of Molecular Biomedicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Karyn M Frick
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - L'ubomíra Tóthová
- Faculty of Medicine, Institute of Molecular Biomedicine, Comenius University in Bratislava, Bratislava, Slovakia
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Yang K, Xu YC, Hu HY, Li YZ, Li Q, Luan YY, Liu Y, Sun YQ, Feng ZK, Yan YS, Yin CH. Investigation of a Novel NTRK1 Variation Causing Congenital Insensitivity to Pain With Anhidrosis. Front Genet 2021; 12:763467. [PMID: 34938316 PMCID: PMC8686761 DOI: 10.3389/fgene.2021.763467] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/01/2021] [Indexed: 11/24/2022] Open
Abstract
Background: Congenital insensitivity to pain with anhidrosis (CIPA), a rare autosomal recessive sensory neuropathy, was caused mainly by biallelic mutations in the NTRK1 gene. The pathogenesis of CIPA still needs further elucidation. Methods: Here, we recruited a CIPA case and introduced whole-exome sequencing (WES) to identify the causative variation. Subsequently, an in silico molecular dynamic (MD) analysis was performed to explore the intramolecular impact of the novel missense variant. Meanwhile, in vitro functional study on the novel variant from a metabolomic perspective was conducted via the liquid chromatography–mass spectrometry (LC-MS) approach, of which the result was verified by quantitative real-time PCR (qRT-PCR). Results: A novel compound heterozygous variation in NTRK1 gene was detected, consisting of the c.851–33T > A and c.2242C > T (p.Arg748Trp) variants. MD result suggested that p.Arg748Trp could affect the intramolecular structure stability. The results of the LC-MS and metabolic pathway clustering indicated that the NTRK1Arg748Trp variant would significantly affect the purine metabolism in vitro. Further analysis showed that it induced the elevation of NT5C2 mRNA level. Conclusion: The findings in this study extended the variation spectrum of NTRK1, provided evidence for counseling to the affected family, and offered potential clues and biomarkers to the pathogenesis of CIPA.
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Affiliation(s)
- Kai Yang
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yi-Cheng Xu
- Department of Neurology, Aerospace Center Hospital, Beijing, China
| | - Hua-Ying Hu
- Jiaen Genetics Laboratory, Beijing Jiaen Hospital, Beijing, China
| | - Ya-Zhou Li
- Department of Pediatric Orthopaedic, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Qian Li
- National Research Institute for Family Planning, Beijing, China
| | - Ying-Yi Luan
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yan Liu
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yong-Qing Sun
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Zhan-Ke Feng
- Jiaen Genetics Laboratory, Beijing Jiaen Hospital, Beijing, China
| | - You-Sheng Yan
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Cheng-Hong Yin
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
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Sen S, Hallee L, Lam CK. The Potential of Gamma Secretase as a Therapeutic Target for Cardiac Diseases. J Pers Med 2021; 11:jpm11121294. [PMID: 34945766 PMCID: PMC8703931 DOI: 10.3390/jpm11121294] [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: 10/31/2021] [Revised: 11/24/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Heart diseases are some of the most common and pressing threats to human health worldwide. The American Heart Association and the National Institute of Health jointly work to annually update data on cardiac diseases. In 2018, 126.9 million Americans were reported as having some form of cardiac disorder, with an estimated direct and indirect total cost of USD 363.4 billion. This necessitates developing therapeutic interventions for heart diseases to improve human life expectancy and economic relief. In this review, we look into gamma-secretase as a potential therapeutic target for cardiac diseases. Gamma-secretase, an aspartyl protease enzyme, is responsible for the cleavage and activation of a number of substrates that are relevant to normal cardiac development and function as found in mutation studies. Some of these substrates are involved in downstream signaling processes and crosstalk with pathways relevant to heart diseases. Most of the substrates and signaling events we explored were found to be potentially beneficial to maintain cardiac function in diseased conditions. This review presents an updated overview of the current knowledge on gamma-secretase processing of cardiac-relevant substrates and seeks to understand if the modulation of gamma-secretase activity would be beneficial to combat cardiac diseases.
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Affiliation(s)
- Sujoita Sen
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Logan Hallee
- Department of Mathematical Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Chi Keung Lam
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
- Correspondence: ; Tel.: +1-302-831-3165
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Depression and obesity among females, are sex specificities considered? Arch Womens Ment Health 2021; 24:851-866. [PMID: 33880649 DOI: 10.1007/s00737-021-01123-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 03/21/2021] [Indexed: 12/13/2022]
Abstract
This study aimed to systematically review the relationship of obesity-depression in the female sex. We carried out a systematic search (PubMed, MEDLINE, Embase) to quantify the articles (controlled trials and randomized controlled trials) regarding obesity and depression on a female population or a mixed sample. Successively, we established whether the sex specificities were studied by the authors and if they reported on collecting data regarding factors that may contribute to the evolution of obesity and depression and that could be responsible for the greater susceptibility of females to those conditions. After applying the inclusion and exclusion criteria, we found a total of 20 articles with a female sample and 54 articles with a mixed sample. More than half of all articles (51.35%, n = 38) evaluated the relationship between depression and obesity, but only 20 (27.03%) evaluated this relationship among females; still, 80% of those (n = 16) presented supporting results. However, few articles considered confounding factors related to female hormones (12.16%, n = 9) and none of the articles focused on factors responsible for the binomial obesity-depression in the female sex. The resulting articles also supported that depression (and related impairments) influencing obesity (and related impairments) is a two-way road. This systematic review supports the concurrency of obesity-depression in females but also shows how sex specificities are ultimately under-investigated. Female sex specificity is not being actively considered when studying the binomial obesity-depression, even within a female sample. Future studies should focus on trying to understand how the female sex and normal hormonal variations influence these conditions.
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Proteome Analysis of the Hypothalamic Arcuate Nucleus in Chronic High-Fat Diet-Induced Obesity. BIOMED RESEARCH INTERNATIONAL 2021; 2021:3501770. [PMID: 34840970 PMCID: PMC8617565 DOI: 10.1155/2021/3501770] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 10/25/2021] [Indexed: 12/18/2022]
Abstract
The hypothalamus plays a central role in the integrated regulation of feeding and energy homeostasis. The hypothalamic arcuate nucleus (ARC) contains a population of neurons that express orexigenic and anorexigenic factors and is thought to control feeding behavior via several neuronal circuits. In this study, a comparative proteomic analysis of low-fat control diet- (LFD-) and high-fat diet- (HFD-) induced hypothalamic ARC was performed to identify differentially expressed proteins (DEPs) related to changes in body weight. In the ARC in the hypothalamus, 6621 proteins (FDR < 0.01) were detected, and 178 proteins were categorized as DEPs (89 upregulated and 89 downregulated in the HFD group). Among the Gene Ontology molecular function terms associated with the DEPs, protein binding was the most significant. Fibroblast growth factor receptor substrate 2 (Frs2) and SHC adaptor protein 3 (Shc3) were related to protein binding and involved in the neurotrophin signaling pathway according to Kyoto Encyclopedia of Genes and Genomes analysis. Furthermore, high-precision quantitative proteomic analysis revealed that the protein profile of the ARC in mice with HFD-induced obesity differed from that in LFD mice, thereby offering insight into the molecular basis of feeding regulation and suggesting Frs2 and Shc3 as novel treatment targets for central anorexigenic signal induction.
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Karagyaur M, Dzhauari S, Basalova N, Aleksandrushkina N, Sagaradze G, Danilova N, Malkov P, Popov V, Skryabina M, Efimenko A, Tkachuk V. MSC Secretome as a Promising Tool for Neuroprotection and Neuroregeneration in a Model of Intracerebral Hemorrhage. Pharmaceutics 2021; 13:2031. [PMID: 34959314 PMCID: PMC8707464 DOI: 10.3390/pharmaceutics13122031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/11/2021] [Accepted: 11/23/2021] [Indexed: 01/17/2023] Open
Abstract
Multipotent mesenchymal stromal cells (MSCs) are considered to be critical contributors to injured tissue repair and regeneration, and MSC-based therapeutic approaches have been applied to many peripheral and central neurologic disorders. It has been demonstrated that the beneficial effects of MSC are mainly mediated by the components of their secretome. In the current study, we have explored the neuroprotective potential of the MSC secretome in a rat model of intracerebral hemorrhage and shown that a 10-fold concentrated secretome of human MSC and its combination with the brain-derived neurotrophic factor (BDNF) provided a better survival and neurological outcome of rats within 14 days of intracerebral hemorrhage compared to the negative (non-treated) and positive (BDNF) control groups. We found that it was due to the ability of MSC secretome to stimulate neuron survival under conditions of glutamate-induced neurotoxicity. However, the lesion volume did not shrink in these rats, and this also correlated with prominent microglia activation. We hypothesize that this could be caused by the species-specificity of the used MSC secretome and provide evidence to confirm this. Thus, we have found that allogenic rat MSC secretome was more effective than xenogenic human MSC secretome in the rat intracerebral hemorrhage model: it reduced the volume of the lesion and promoted excellent survival and neurological outcome of the treated rats.
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Affiliation(s)
- Maxim Karagyaur
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Stalik Dzhauari
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Nataliya Basalova
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Natalia Aleksandrushkina
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Georgy Sagaradze
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
| | - Natalia Danilova
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Pavel Malkov
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Vladimir Popov
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Mariya Skryabina
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Anastasia Efimenko
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
| | - Vsevolod Tkachuk
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27/10 Lomonosovsky Ave, 119192 Moscow, Russia; (N.B.); (N.A.); (G.S.); (V.P.); (A.E.); (V.T.)
- Faculty of Medicine, Lomonosov Moscow State University, 27/1 Lomonosovsky Ave, 119192 Moscow, Russia; (S.D.); (N.D.); (P.M.); (M.S.)
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Cell-Based Neuroprotection of Retinal Ganglion Cells in Animal Models of Optic Neuropathies. BIOLOGY 2021; 10:biology10111181. [PMID: 34827174 PMCID: PMC8615038 DOI: 10.3390/biology10111181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022]
Abstract
Retinal ganglion cells (RGCs) comprise a heterogenous group of projection neurons that transmit visual information from the retina to the brain. Progressive degeneration of these cells, as it occurs in inflammatory, ischemic, traumatic or glaucomatous optic neuropathies, results in visual deterioration and is among the leading causes of irreversible blindness. Treatment options for these diseases are limited. Neuroprotective approaches aim to slow down and eventually halt the loss of ganglion cells in these disorders. In this review, we have summarized preclinical studies that have evaluated the efficacy of cell-based neuroprotective treatment strategies to rescue retinal ganglion cells from cell death. Intraocular transplantations of diverse genetically nonmodified cell types or cells engineered to overexpress neurotrophic factors have been demonstrated to result in significant attenuation of ganglion cell loss in animal models of different optic neuropathies. Cell-based combinatorial neuroprotective approaches represent a potential strategy to further increase the survival rates of retinal ganglion cells. However, data about the long-term impact of the different cell-based treatment strategies on retinal ganglion cell survival and detailed analyses of potential adverse effects of a sustained intraocular delivery of neurotrophic factors on retina structure and function are limited, making it difficult to assess their therapeutic potential.
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Li S, Hu HY, Xu JJ, Feng ZK, Sun YQ, Chen X, Yang K, Li YZ, Zhang DL. Identification of novel variations in the NTRK1 gene causing congenital insensitivity to pain with anhidrosis. Mol Genet Genomic Med 2021; 9:e1839. [PMID: 34674383 PMCID: PMC8606206 DOI: 10.1002/mgg3.1839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/22/2021] [Accepted: 09/28/2021] [Indexed: 01/01/2023] Open
Abstract
Background Congenital insensitivity to pain (CIP) conditions are a group of Mendelian disorders with clinical and genetic heterogeneity. CIP with anhidrosis (CIPA) is a distinct subtype caused by biallelic variants in the NTRK1 gene. Methods In this study, six families with CIPA were recruited and submitted to a series of clinical and genetic examinations. Whole‐exome sequencing and whole‐genome sequencing were applied to perform a comprehensive genetic analysis. Sanger sequencing was used as a validation method. Results These patients exhibited phenotypic variability. All probands in the six families were positive for biallelic pathogenic variants in NTRK1. Five individual variants, namely NTRK1: (NM_002529.3) c.851‐33T>A, c.717+2T>C, c.1806‐2A>G, c.1251+1G>A, and c.851‐794C>G, including three novel ones, were identified, which were carried by the six patients in a homozygous or compound heterozygous way. The validation results indicated that all the parents of the six probands, except for one father and one mother, were monoallelic carriers of a single variant. Conclusions The findings in our study extended the variation spectrum of the NTRK1 gene and highlighted the advantage of the integrated application of multiplatform genetic technologies.
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Affiliation(s)
- Shang Li
- Department of Anesthesiology, Peking University People's Hospital, Beijing, China
| | - Hua-Ying Hu
- Jiaen Genetics Laboratory, Beijing Jiaen Hospital, Beijing, China
| | - Jun-Jun Xu
- Department of Anesthesiology, Peking University People's Hospital, Beijing, China
| | - Zhan-Ke Feng
- Jiaen Genetics Laboratory, Beijing Jiaen Hospital, Beijing, China
| | - Yong-Qing Sun
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Xu Chen
- Department of Orthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Kai Yang
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Ya-Zhou Li
- Department of Pediatric Orthopedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Dong-Liang Zhang
- Department of Orthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
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Ameliorative effects of oyster (Crassostrea hongkongensis) protein hydrolysate on age-induced cognitive impairment via restoring glia cell dysfunction and neuronal injured in zebrafish. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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48
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Cao C, Tachibana T, Gilbert ER, Cline MA. Prostaglandin E2-induced anorexia involves hypothalamic brain-derived neurotrophic factor and ghrelin in chicks. Prostaglandins Other Lipid Mediat 2021; 156:106574. [PMID: 34102274 DOI: 10.1016/j.prostaglandins.2021.106574] [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: 03/31/2021] [Revised: 05/12/2021] [Accepted: 06/02/2021] [Indexed: 11/18/2022]
Abstract
Central administration of prostaglandin E2 (PGE2) is associated with potent anorexia in rodents and chicks, although hypothalamic mechanisms are not fully understood. The objective of the present study was to identify hypothalamic nuclei and appetite-related factors that are involved in this anorexigenic effect, using chickens as a model. Intracerebroventricular injection of 2.5, 5, and 10 nmol of PGE2 suppressed food and water intake in broiler chicks in a dose-dependent manner. c-Fos immunoreactivity was increased in the paraventricular nucleus (PVN) at 60 min post injection of 5 nmol of PGE2. Under the same treatment condition, hypothalamic expression of melanocortin receptor 3 and ghrelin mRNAs increased, whereas neuropeptide Y receptor sub-type 5 and tropomyosin receptor kinase B (TrkB) mRNAs decreased in PGE2-treated chicks. In the PVN, chicks injected with PGE2 had more brain-derived neurotrophic factor (BDNF), ghrelin, and c-Fos mRNA but less corticotrophin-releasing factor receptor 1 (CRFR1), CRFR2, and TrkB mRNA expression. In conclusion, PGE2 injection resulted in decreased food and water intake that likely involves BDNF and ghrelin originating in the PVN. Because the anorexigenic effect is so potent and hypothalamic mechanisms are similar in chickens and rodents, a greater understanding of the role of PGE2 in acute appetite regulation may have implications for treating eating and metabolic disorders in humans.
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MESH Headings
- Animals
- Anorexia/chemically induced
- Anorexia/metabolism
- Ghrelin/pharmacology
- Ghrelin/metabolism
- Brain-Derived Neurotrophic Factor/metabolism
- Brain-Derived Neurotrophic Factor/genetics
- Chickens
- Dinoprostone/metabolism
- Hypothalamus/metabolism
- Hypothalamus/drug effects
- Male
- Eating/drug effects
- Receptor, trkB/metabolism
- Receptor, trkB/genetics
- Receptors, Corticotropin-Releasing Hormone/metabolism
- Receptors, Corticotropin-Releasing Hormone/genetics
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Proto-Oncogene Proteins c-fos/metabolism
- Proto-Oncogene Proteins c-fos/genetics
- Paraventricular Hypothalamic Nucleus/metabolism
- Paraventricular Hypothalamic Nucleus/drug effects
- Receptor, Melanocortin, Type 3/metabolism
- Receptor, Melanocortin, Type 3/genetics
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Affiliation(s)
- Chang Cao
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | | | - Elizabeth R Gilbert
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Mark A Cline
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.
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Yesilkaya UH, Gica S, Guney Tasdemir B, Ozkara Menekseoglu P, Cirakli Z, Karamustafalioglu N. A novel commentary: Investigation of the role of a balance between neurotrophic and apoptotic proteins in the pathogenesis of psychosis via the tPA-BDNF pathway. J Psychiatr Res 2021; 142:160-166. [PMID: 34359010 DOI: 10.1016/j.jpsychires.2021.07.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/01/2021] [Accepted: 07/31/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Many hypotheses have put forward to better understand the pathogenesis of schizophrenia (SZ), such as synaptic pruning, stress-diathesis, neurodevelopment, neurodegeneration and neurotransmitter hypothesis; nonetheless, this pathogenesis still remains a mystery. The current study was designed with the hypothesis that impairment of a balance between pro-BDNF/mature BDNF and their receptors p75NTRK/TrkB may cause synaptic pruning in the pathogenesis of psychotic disorders. METHODS Sixty-five drug-naïve patients with first-episode psychosis (FEP) who applied to outpatient clinics and were diagnosed according to DSM-5 as well as 65 healthy controls (HC) were included in the study. Symptoms at the time of evaluation were assessed with the PANSS scale by an experienced psychiatrist. Blood samples were collected from all participants to determine BDNF, pro-BDNF, TrkB and p75NTR, PAI1, tPA, ACTH and cortisol levels. RESULTS Mature BDNF, TrkB and PAI-1, tPA levels were significantly lower while the levels of ACTH and cortisol were significantly higher in FEP patients compared to HC. No significant difference was found in pro-BDNF and p75NTR levels between the two independent groups. The pro-BDNF/mature BDNF and the p75NTR/TrkB ratios were significantly higher in FEP patients compared to HC. Moreover, the pro-BDNF/mature BDNF and the p75NTR/TrkB ratios were found to be significantly associated with the pathogenesis of SZ in a hierarchical regression model. DISCUSSION Imbalance between neurotrophic and apoptotic proteins such as pro-BDNF/mature BDNF and p75NTR/TrkB may be take part pathogenesis of synaptic pruning in psychotic disorders.
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Affiliation(s)
- Umit Haluk Yesilkaya
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey.
| | - Sakir Gica
- Department of Psychiatry, Necmettin Erbakan University Meram Medical Faculty, Konya, Turkey
| | - Busra Guney Tasdemir
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey
| | - Pelin Ozkara Menekseoglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey
| | - Zeynep Cirakli
- Department of Biochemistry Dr Sadi Konuk Training and Research Hospital, Istanbul, Turkey
| | - Nesrin Karamustafalioglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey
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50
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Noto MN, Maes M, Vargas Nunes SO, Ota VK, Cavalcante D, Oliveira G, Rossaneis AC, Verri WA, Cordeiro Q, Belangero SI, Gadelha A, Noto C, Bressan RA. BDNF in antipsychotic naive first episode psychosis: Effects of risperidone and the immune-inflammatory response system. J Psychiatr Res 2021; 141:206-213. [PMID: 34246975 DOI: 10.1016/j.jpsychires.2021.07.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 06/04/2021] [Accepted: 07/05/2021] [Indexed: 12/25/2022]
Abstract
Brain-derived neurotrophic factor (BDNF) and the immune-inflammatory response system (IRS) have been implicated in the pathophysiology of schizophrenia. However, no research examined the associations between BDNF and immune activation both before and after treatment in antipsychotic-naïve first episode psychosis (AN-FEP). This study aims to examine serum BDNF levels and their association with IRS and the compensatory immune-regulatory reflex system (CIRS) in AN-FEP before and after risperidone treatment. We included 31 AN-FEP and 22 healthy controls. AN-FEP showed reduced levels of BDNF as compared to controls, and BDNF levels normalized after treatment with risperidone. BDNF levels were inversely correlated with a greater IRS response. Higher levels of IRS/CIRS biomarkers were associated with lower levels of BDNF including M1 macrophage, T-helper (Th)-1, Th-2, and Th-17, and T-regulatory (Treg) cell responses. Our findings indicate that AN-FEP is characterized by decreased levels of BDNF, which are normalized after treatment with risperidone. BDNF levels were inversely associated with activated immune-inflammatory pathways. The findings support the hypothesis that, increased IRS is linked to neurotoxicity, and that a decrease in BDNF may be part of the IRS/CIRS responses in FEP and, thus, be involved in the development of psychosis.
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Affiliation(s)
- Mariane Nunes Noto
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Michael Maes
- Department of Psychiatry, King Chulalongkorn Memorial Hospital, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria; IMPACT, Deakin University, Geelong, Australia
| | | | - Vanessa Kiyomi Ota
- Genetics Division, Department of Morphology and Genetics, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Daniel Cavalcante
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Giovany Oliveira
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil; Genetics Division, Department of Morphology and Genetics, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Ana C Rossaneis
- Department of Pathology, Biological Sciences Center, State University of Londrina (UEL), Londrina, Brazil
| | - Waldiceu A Verri
- Department of Pathology, Biological Sciences Center, State University of Londrina (UEL), Londrina, Brazil
| | - Quirino Cordeiro
- Department of Psychiatry, Faculdade de Ciências Médica da Santa Casa de São Paulo (FCMSCSP), São Paulo, Brazil
| | - Sintia Iole Belangero
- Genetics Division, Department of Morphology and Genetics, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Ary Gadelha
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil; Schizophrenia Program (PROESQ), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Cristiano Noto
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil; Schizophrenia Program (PROESQ), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.
| | - Rodrigo Affonseca Bressan
- GAPi (Early Psychosis Group), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil; Schizophrenia Program (PROESQ), Department of Psychiatry, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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