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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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Chan WS, Ng CF, Pang BPS, Hang M, Tse MCL, Iu ECY, Ooi XC, Yang X, Kim JK, Lee CW, Chan CB. Exercise-induced BDNF promotes PPARδ-dependent reprogramming of lipid metabolism in skeletal muscle during exercise recovery. Sci Signal 2024; 17:eadh2783. [PMID: 38502732 PMCID: PMC11022078 DOI: 10.1126/scisignal.adh2783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 02/29/2024] [Indexed: 03/21/2024]
Abstract
Post-exercise recovery is essential to resolve metabolic perturbations and promote long-term cellular remodeling in response to exercise. Here, we report that muscle-generated brain-derived neurotrophic factor (BDNF) elicits post-exercise recovery and metabolic reprogramming in skeletal muscle. BDNF increased the post-exercise expression of the gene encoding PPARδ (peroxisome proliferator-activated receptor δ), a transcription factor that is a master regulator of lipid metabolism. After exercise, mice with muscle-specific Bdnf knockout (MBKO) exhibited impairments in PPARδ-regulated metabolic gene expression, decreased intramuscular lipid content, reduced β-oxidation, and dysregulated mitochondrial dynamics. Moreover, MBKO mice required a longer period to recover from a bout of exercise and did not show increases in exercise-induced endurance capacity. Feeding naïve mice with the bioavailable BDNF mimetic 7,8-dihydroxyflavone resulted in effects that mimicked exercise-induced adaptations, including improved exercise capacity. Together, our findings reveal that BDNF is an essential myokine for exercise-induced metabolic recovery and remodeling in skeletal muscle.
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Affiliation(s)
- Wing Suen Chan
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Chun Fai Ng
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Brian Pak Shing Pang
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Miaojia Hang
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Margaret Chui Ling Tse
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Elsie Chit Yu Iu
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Xin Ci Ooi
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
| | - Xiuying Yang
- Beijing Key Laboratory of Drug Target and Screening Research, Institute of Materia Medica of Peking Union Medical College, Beijing 101399, China
| | - Jason K. Kim
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
| | - Chi Wai Lee
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Chi Bun Chan
- School of Biological Sciences, the University of Hong Kong, 5N10 Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong, China
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
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Grzelak N, Kaczmarek D, Mrówczyński W. Comparison of the effects of BDNF/TRKB signalling on metabolic biomarkers in the liver of sedentary and trained rats with normal and knockout BDNF genotypes. Front Physiol 2023; 14:1268648. [PMID: 38152248 PMCID: PMC10751318 DOI: 10.3389/fphys.2023.1268648] [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: 07/28/2023] [Accepted: 12/04/2023] [Indexed: 12/29/2023] Open
Abstract
Introduction: The effect of brain-derived neurotrophic factor (BDNF) on the modulation of metabolic processes in the liver is poorly understood. Therefore, the aim of this study was to investigate whether hepatic concentrations or activities of metabolic biomarkers depend on altered BDNF/TrkB content in the liver, resulting from different BDNF genotypes of rats. In addition, it was assessed whether 5-week moderate endurance training modifies the levels of BDNF/Trk-B signaling and studied hepatic markers. Methods: Experiments were performed on wild-type and heterozygous BDNF knockout (HET, SD-Bdnf) rats, which were divided into four groups: control with normal genotype (Bdnf+/+), control with BDNF knockout genotype (Bdnf+/-), trained with normal genotype (Bdnf+/+T) and trained with BDNF knockout genotype (Bdnf +/-T). BDNF/TrkB concentrations as well as selected metabolic biomarkers including lipids-total cholesterol (CHOL), low-density lipoprotein (LDL), triglycerides (TG); enzymes-alanine aminotransferase (ALAT), aspartate aminotransferase (ASAT), gamma-glutamyl transferase (GGT), lactate dehydrogenase (LDH), alkaline phosphatase (ALP); hormones-insulin (INS) and leptin (LEPT) as well as interleukin-6 (IL-6) as regeneration indicator were measured directly in liver homogenates. Results and Discussion: The study showed that Bdnf+/- rats exhibited reduced BDNF/TrkB signaling (BDNF, p < 0.0001; Trk-B, p = 0.0005), altered lipid levels (CHOL, p < 0.0001; LDL, p < 0.0001; TG, p = 0.0006) and reduced hepatic ALAT (p = 0.0004) and GGT (p < 0.0001) activity, which may contribute to hepatic steatosis and obesity, as well as indicate impairment of specific metabolic pathways in the liver. Interestingly, endurance training did not alter hepatic BDNF and TrkB content, but improved ALAT (p = 0.0366) and ASAT (p = 0.0191) activities and increased hepatic IL-6 (p = 0.0422) levels in Bdnf +/- rats, suggesting enhanced liver regeneration in animals with BDNF allele loss.
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Affiliation(s)
- Norbert Grzelak
- Department of Neurobiology, Poznań University of Physical Education, Poznań, Poland
| | - Dominik Kaczmarek
- Department of Physiology and Biochemistry, Poznań University of Physical Education, Poznań, Poland
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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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Aslan A, Gok O, Beyaz S, Parlak G, Can MI, Gundogdu R, Baspinar S, Ozercan IH, Parlak AE. Royal jelly arranges apoptotic and oxidative stress pathways and reduces damage to liver tissues of rats by down-regulation of Bcl-2, GSK3 and NF-κB and up-regulation of caspase and Nrf-2 protein signalling pathways. Biomarkers 2023; 28:217-226. [PMID: 36520139 DOI: 10.1080/1354750x.2022.2159526] [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: 12/23/2022]
Abstract
IntroductionRoyal jelly (RJ) from the honey bee, Apis mellifera, is a traditional product that is widely used as a food supplement to support the medical treatment of various diseases.Material and methodsOur study continued for 8 weeks. 42 Wistar albino (8 weeks old) male rats were used in the study. The study included 6 groups; Group 1: Control group (fed with standard diet), Group 2: RJ (100 mg/kg, bw), Group 3: F-50 (50 mg/kg, bw), group 4: F-100 (100 mg/kg, bw) group 5: F-50 (50 mg/kg, bw) + RJ (100 mg/kg, bw) Group 6: F-100 (100 mg/kg, bw) + RJ (100 mg/kg, bw). Malondialdehyde (MDA), catalase (CAT) and glutathione (GSH) activities in liver tissue were determined by spectrophotometer. Liver tissue samples were examined histopathologically and various protein levels were determined by Western blotting technique.ResultsRJ caused a significant decrease in MDA level, Bcl-2, GSK3 and NF-κB protein expression levels, whereas induced a significant increase in GSH level, CAT activities and Bax, BDNF, caspase-6, caspase-3, Nrf-2 protein expression levels.ConclusionOur findings suggest RJ to be used as a hepatoprotective agent in the clinic to modulate the toxic effects of fluoride and other chemicals in the future.
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Affiliation(s)
- Abdullah Aslan
- Faculty of Science, Department of Biology-Molecular Biology and Genetics Program, Firat University, Elazig, Turkey
| | - Ozlem Gok
- Faculty of Science, Department of Biology-Molecular Biology and Genetics Program, Firat University, Elazig, Turkey
| | - Seda Beyaz
- Faculty of Science, Department of Biology-Molecular Biology and Genetics Program, Firat University, Elazig, Turkey
| | - Gozde Parlak
- Faculty of Science, Department of Biology-Molecular Biology and Genetics Program, Firat University, Elazig, Turkey
| | - Muhammed Ismail Can
- Faculty of Science, Department of Biology, Inonu University, Malatya, Turkey
| | - Ramazan Gundogdu
- Department of Pharmacy Services, Vocational School of Health Services, Bingol University, Bingol, 12000, Turkey
| | - Serpil Baspinar
- Department of Medical Imaging, Health Services Vocational High School, Firat University, Elazig, Turkey
| | | | - Akif Evren Parlak
- Department of Environmental Protection Technologies, Keban Vocational School, Firat University, Elazig, Turkey
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Hattori Y, Yamada H, Munetsuna E, Ando Y, Mizuno G, Fujii R, Tsuboi Y, Ichino N, Osakabe K, Sugimoto K, Ishikawa H, Ohashi K, Suzuki K. Increased brain-derived neurotrophic factor in the serum of persons with nonalcoholic fatty liver disease. Endocr J 2022; 69:999-1006. [PMID: 35354697 DOI: 10.1507/endocrj.ej21-0584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The increasing prevalence of nonalcoholic fatty liver disease (NAFLD) is a global health problem. In recent years, the inhibitory effect of brain-derived neurotrophic factor (BDNF) on diabetes mellitus and fatty liver has been clarified. The purpose of this study was to analyze the relationship between serum BDNF and NAFLD which caused by abnormal metabolism of glucose and lipids. This cross-sectional study involved 429 participants (mean age, 63.5 years: men, 38.5%) with low alcohol intake. Of the participants, those who had an increase in echogenicity of the liver parenchyma and hepato-renal contrast on ultrasonography were classified as the NAFLD group (n = 88), and the others were classified as the normal (n = 341) group. The NAFLD group was further classified into a mild group (n = 60) and a severe group (n = 28) based on the intensity of echogenicity and visualization of the hepatic vessels and diaphragm. Median BDNF levels were higher in the NAFLD group than the normal group (35.5 vs. 42.3 ng/mL, p < 0.01). Furthermore, BDNF levels tended to be associated with the severity of NAFLD (p < 0.01). In addition to the univariate analysis, in the sex- and age-adjusted model, there was a significant association between the BDNF levels and NAFLD severity (p < 0.01). The fully adjusted regression analysis also showed a positive association between the serum BDNF level and NAFLD (p < 0.01). These results suggest that NAFLD patients have a compensatory increase in circulating BDNF levels.
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Affiliation(s)
- Yuji Hattori
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake 470-1192, Japan
| | - Hiroya Yamada
- Department of Hygiene, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Eiji Munetsuna
- Department of Biochemistry, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Yoshitaka Ando
- Department of Clinical Biochemistry, Fujita Health University School of Medical Science, Toyoake 470-1192, Japan
| | - Genki Mizuno
- Department of Joint Research Laboratory of Clinical Medicine, Fujita Health University Hospital, Toyoake 470-1192, Japan
| | - Ryosuke Fujii
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake 470-1192, Japan
| | - Yoshiki Tsuboi
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake 470-1192, Japan
| | - Naohiro Ichino
- Department of Clinical Physiology and Functional Imaging, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Keisuke Osakabe
- Department of Clinical Physiology and Functional Imaging, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Keiko Sugimoto
- Department of Clinical Physiology and Functional Imaging, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Hiroaki Ishikawa
- Department of Clinical Biochemistry, Fujita Health University School of Medical Science, Toyoake 470-1192, Japan
| | - Koji Ohashi
- Department of Clinical Biochemistry, Fujita Health University School of Medical Science, Toyoake 470-1192, Japan
| | - Koji Suzuki
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake 470-1192, Japan
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Is Brain-Derived Neurotrophic Factor a Metabolic Hormone in Peripheral Tissues? BIOLOGY 2022; 11:biology11071063. [PMID: 36101441 PMCID: PMC9312804 DOI: 10.3390/biology11071063] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/05/2022] [Accepted: 07/15/2022] [Indexed: 12/06/2022]
Abstract
Simple Summary The activity of brain-derived neurotrophic factor (BDF) in the central nervous system has been well-studied, but its physiological role in other organs has not been clearly defined. This review summarizes the current findings on the functionality of BDNF in various peripheral tissues and discusses several unresolved questions in the field. Abstract Brain-derived neurotrophic factor (BDNF) is an important growth factor in the central nervous system. In addition to its well-known activities in promoting neuronal survival, neuron differentiation, and synaptic plasticity, neuronal BDNF also regulates energy homeostasis by modulating the hypothalamus’s hormonal signals. In the past decades, several peripheral tissues, including liver, skeletal muscle, and white adipose tissue, were demonstrated as the active sources of BDNF synthesis in response to different metabolic challenges. Nevertheless, the functions of BDNF in these tissues remain obscure. With the use of tissue-specific Bdnf knockout animals and the availability of non-peptidyl BDNF mimetic, increasing evidence has reported that peripheral tissues-derived BDNF might play a significant role in maintaining systemic metabolism, possibly through the regulation of mitochondrial dynamics in the various tissues. This article reviews the autocrine/paracrine/endocrine functions of BDNF in non-neuronal tissues and discusses the unresolved questions about BDNF’s function.
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Di Rosa MC, Zimbone S, Saab MW, Tomasello MF. The Pleiotropic Potential of BDNF beyond Neurons: Implication for a Healthy Mind in a Healthy Body. Life (Basel) 2021; 11:life11111256. [PMID: 34833132 PMCID: PMC8625665 DOI: 10.3390/life11111256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 12/14/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) represents one of the most widely studied neurotrophins because of the many mechanisms in which it is involved. Among these, a growing body of evidence indicates BDNF as a pleiotropic signaling molecule and unveils non-negligible implications in the regulation of energy balance. BDNF and its receptor are extensively expressed in the hypothalamus, regions where peripheral signals, associated with feeding control and metabolism activation, and are integrated to elaborate anorexigenic and orexigenic effects. Thus, BDNF coordinates adaptive responses to fluctuations in energy intake and expenditure, connecting the central nervous system with peripheral tissues, including muscle, liver, and the adipose tissue in a complex operational network. This review discusses the latest literature dealing with the involvement of BDNF in the maintenance of energy balance. We have focused on the physiological and molecular mechanisms by which BDNF: (I) controls the mitochondrial function and dynamics; (II) influences thermogenesis and tissue differentiation; (III) mediates the effects of exercise on cognitive functions; and (IV) modulates insulin sensitivity and glucose transport at the cellular level. Deepening the understanding of the mechanisms exploited to maintain energy homeostasis will lay the groundwork for the development of novel therapeutical approaches to help people to maintain a healthy mind in a healthy body.
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Affiliation(s)
- Maria Carmela Di Rosa
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 64, 95123 Catania, Italy; (M.C.D.R.); (M.W.S.)
- Institute of Crystallography, CNR, Via P. Gaifami 18, 95126 Catania, Italy;
| | - Stefania Zimbone
- Institute of Crystallography, CNR, Via P. Gaifami 18, 95126 Catania, Italy;
| | - Miriam Wissam Saab
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 64, 95123 Catania, Italy; (M.C.D.R.); (M.W.S.)
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Ahuja P, Ng CF, Pang BPS, Chan WS, Tse MCL, Bi X, Kwan HLR, Brobst D, Herlea-Pana O, Yang X, Du G, Saengnipanthkul S, Noh HL, Jiao B, Kim JK, Lee CW, Ye K, Chan CB. Muscle-generated BDNF (brain derived neurotrophic factor) maintains mitochondrial quality control in female mice. Autophagy 2021; 18:1367-1384. [PMID: 34689722 DOI: 10.1080/15548627.2021.1985257] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Mitochondrial remodeling is dysregulated in metabolic diseases but the underlying mechanism is not fully understood. We report here that BDNF (brain derived neurotrophic factor) provokes mitochondrial fission and clearance in skeletal muscle via the PRKAA/AMPK-PINK1-PRKN/Parkin and PRKAA-DNM1L/DRP1-MFF pathways. Depleting Bdnf expression in myotubes reduced fatty acid-induced mitofission and mitophagy, which was associated with mitochondrial elongation and impaired lipid handling. Muscle-specific bdnf knockout (MBKO) mice displayed defective mitofission and mitophagy, and accumulation of dysfunctional mitochondria in the muscle when they were fed with a high-fat diet (HFD). These animals also have exacerbated body weight gain, increased intramyocellular lipid deposition, reduced energy expenditure, poor metabolic flexibility, and more insulin resistance. In contrast, consuming a BDNF mimetic (7,8-dihydroxyflavone) increased mitochondrial content, and enhanced mitofission and mitophagy in the skeletal muscles. Hence, BDNF is an essential myokine to maintain mitochondrial quality and function, and its repression in obesity might contribute to impaired metabolism.Abbreviation: 7,8-DHF: 7,8-dihydroxyflavone; ACACA/ACC: acetyl Coenzyme A carboxylase alpha; ACAD: acyl-Coenzyme A dehydrogenase family; ACADVL: acyl-Coenzyme A dehydrogenase, very long chain; ACOT: acyl-CoA thioesterase; CAMKK2: calcium/calmodulin-dependent protein kinase kinase 2, beta; BDNF: brain derived neurotrophic factor; BNIP3: BCL2/adenovirus E1B interacting protein 3; BNIP3L/NIX: BCL2/adenovirus E1B interacting protein 3-like; CCL2/MCP-1: chemokine (C-C motif) ligand 2; CCL5: chemokine (C-C motif) ligand 5; CNS: central nervous system; CPT1B: carnitine palmitoyltransferase 1b, muscle; Cpt2: carnitine palmitoyltransferase 2; CREB: cAMP responsive element binding protein; DNM1L/DRP1: dynamin 1-like; E2: estrogen; EHHADH: enoyl-CoenzymeA hydratase/3-hydroxyacyl CoenzymeA dehydrogenase; ESR1/ER-alpha: estrogen receptor 1 (alpha); FA: fatty acid; FAO: fatty acid oxidation; FCCP: carbonyl cyanide-4-(trifluoromethoxy)phenylhydrazone; FFA: free fatty acids; FGF21: fibroblast growth factor 21; FUNDC1: FUN14 domain containing 1; HADHA: hydroxyacyl-CoA dehydrogenase trifunctional multienzyme complex subunit alpha; HFD: high-fat diet; iWAT: inguinal white adipose tissues; MAP1LC3A/LC3A: microtubule-associated protein 1 light chain 3 alpha; MBKO; muscle-specific bdnf knockout; IL6/IL-6: interleukin 6; MCEE: methylmalonyl CoA epimerase; MFF: mitochondrial fission factor; NTRK2/TRKB: neurotrophic tyrosine kinase, receptor, type 2; OPTN: optineurin; PA: palmitic acid; PARL: presenilin associated, rhomboid-like; PDH: pyruvate dehydrogenase; PINK1: PTEN induced putative kinase 1; PPARGC1A/PGC-1α: peroxisome proliferative activated receptor, gamma, coactivator 1 alpha; PRKAA/AMPK: protein kinase, AMP-activated, alpha 2 catalytic subunit; ROS: reactive oxygen species; TBK1: TANK-binding kinase 1; TG: triacylglycerides; TNF/TNFα: tumor necrosis factor; TOMM20: translocase of outer mitochondrial membrane 20; ULK1: unc-51 like kinase 1.
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Affiliation(s)
- Palak Ahuja
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong
| | - Chun Fai Ng
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong
| | - Brian Pak Shing Pang
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong
| | - Wing Suen Chan
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong
| | - Margaret Chui Ling Tse
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, China, Hong Kong
| | - Xinyi Bi
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong
| | - Hiu-Lam Rachel Kwan
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, China, Hong Kong
| | - Daniel Brobst
- Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Oana Herlea-Pana
- Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Xiuying Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines and Beijing Key Laboratory of Drug Target and Screening Research, Institute of Materia Medica of Peking Union Medical College, Beijing, China
| | - Guanhua Du
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines and Beijing Key Laboratory of Drug Target and Screening Research, Institute of Materia Medica of Peking Union Medical College, Beijing, China
| | - Suchaorn Saengnipanthkul
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Hye Lim Noh
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Baowei Jiao
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Jason K Kim
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA.,Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Chi Wai Lee
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, China, Hong Kong
| | - Keqiang Ye
- Department of Pathology, Emory University School of Medicine, Atlanta, USA
| | - Chi Bun Chan
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China, Hong Kong.,State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong
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10
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Lu MC, Lee IT, Hong LZ, Ben-Arie E, Lin YH, Lin WT, Kao PY, Yang MD, Chan YC. Coffeeberry Activates the CaMKII/CREB/BDNF Pathway, Normalizes Autophagy and Apoptosis Signaling in Nonalcoholic Fatty Liver Rodent Model. Nutrients 2021; 13:nu13103652. [PMID: 34684653 PMCID: PMC8541094 DOI: 10.3390/nu13103652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 12/02/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) shows extensive liver cell destruction with lipid accumulation, which is frequently accompanied by metabolic comorbidities and increases mortality. This study aimed to investigate the effects of coffeeberry (CB) on regulating the redox status, the CaMKII/CREB/BDNF pathway, autophagy, and apoptosis signaling by a NAFLD rodent model senescence-accelerated mice prone 8 (SAMP8). Three-month-old male SAMP8 mice were divided into a control group and three CB groups (50, 100, and 200 mg/kg BW), and fed for 12 weeks. The results show that CB reduced hepatic malondialdehyde and carbonyl protein levels. CB significantly enhanced Ca2+/calmodulin-dependent protein kinase II (CaMKII) and brain-derived neurotrophic factor (BDNF) and reduced the phospho-cAMP response element-binding protein (p-CREB)/CREB ratio. In addition, CB increased the silent information regulator T1 level, promoted Beclin 1 and microtubule-associated protein light chain 3 II expressions, and reduced phosphorylated mammalian target of rapamycin and its downstream p-p70s6k levels. CB also inhibited the expressions of apoptosis-related factors poly (ADP-ribose) polymerase-1 and the apoptosis-inducing factor. In conclusion, CB might protect the liver by reducing oxidative stress, activating the CaMKII/CREB/BDNF pathway, and improving autophagic and apoptotic expressions in a dose-dependent manner.
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Affiliation(s)
- Meng-Chun Lu
- Department of Clinical Nutrition, China Medical University Hospital, Taichung 406040, Taiwan;
- Department of Nutrition, China Medical University, Taichung 406040, Taiwan
- Department of Food and Nutrition, Providence University, Taichung 43301, Taiwan; (Y.-H.L.); (W.-T.L.)
| | - I-Te Lee
- Division of Endocrinology and Metabolism, Taichung Veterans General Hospital, Taichung 40705, Taiwan;
| | - Ling-Zong Hong
- Department of Medical Research, Taichung Veterans General Hospital, Taichung 40705, Taiwan;
| | - Eyal Ben-Arie
- Graduate Institute of Acupuncture Science, Collage of Chinese Medicine, China Medical University, Taichung 406040, Taiwan;
| | - Yu-Hsuan Lin
- Department of Food and Nutrition, Providence University, Taichung 43301, Taiwan; (Y.-H.L.); (W.-T.L.)
| | - Wei-Ting Lin
- Department of Food and Nutrition, Providence University, Taichung 43301, Taiwan; (Y.-H.L.); (W.-T.L.)
| | - Pei-Yu Kao
- Division of Thoracic Surgery, Department of Surgery, China Medical University Hospital, Taichung 406040, Taiwan;
| | - Mei-Due Yang
- Division of General Surgery, Department of Surgery, China Medical University Hospital, Taichung 406040, Taiwan;
| | - Yin-Ching Chan
- Department of Food and Nutrition, Providence University, Taichung 43301, Taiwan; (Y.-H.L.); (W.-T.L.)
- Correspondence:
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11
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Szentkereszty-Kovács Z, Fiatal S, Janka EA, Kovács D, Szegedi A, Remenyik É, Törőcsik D. Leptin Receptor (rs1137101) and Brain-Derived Neurotrophic Factor (rs925946) Gene Variants Are Associated with Obesity in the Early- but Not in the Late-Onset Population of Hungarian Psoriatic Patients. Life (Basel) 2021; 11:life11101086. [PMID: 34685457 PMCID: PMC8538564 DOI: 10.3390/life11101086] [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: 09/20/2021] [Revised: 10/09/2021] [Accepted: 10/12/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Psoriatic patients have considerably higher odds of being obese compared with the general population; however, the exact pathophysiological link between psoriasis and obesity needs to be elucidated. Methods: To investigate the association of psoriasis with established obesity-related gene variants, we conducted a population-based case-control study including 3541 subjects (574 psoriasis cases and 2967 controls from the general Hungarian population). Genotyping of 20 SNPs at ADIPOQ, BDNF, FTO, GNPDA2, LEPR, MC4R, NEGR1, NPY, PPARG, TMEM18, and UCP2 were determined, and differences in genotype and allele distributions were investigated. Multiple logistic regression analyses were implemented. Results: Analysis revealed an association between the G allele of the rs1137101 polymorphism (LEPR gene) and obesity risk (OR: 3.30 (1.45; 7.50), p = 0.004) in the early-onset group of psoriatic patients. Furthermore, the T allele of rs925946 polymorphism (BDNF gene) was also associated with increased risk of obesity in early-onset psoriasis (OR: 2.26 (1.24; 4.14), p = 0.008). Conclusions: Our results suggest that in psoriatic patients, there are prominent differences in the causes of obesity that should be accounted for, including not only environmental factors but also patient characteristics, such as the time of disease onset as well as genetic factors.
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Affiliation(s)
- Zita Szentkereszty-Kovács
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
| | - Szilvia Fiatal
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Kassai út 26, 4012 Debrecen, Hungary;
| | - Eszter Anna Janka
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
| | - Dóra Kovács
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
| | - Andrea Szegedi
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
| | - Éva Remenyik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
| | - Dániel Törőcsik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei Krt. 98, 4032 Debrecen, Hungary; (Z.S.-K.); (E.A.J.); (D.K.); (A.S.); (É.R.)
- Correspondence: ; Tel.: +36-52-255-602
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12
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Colardo M, Martella N, Pensabene D, Siteni S, Di Bartolomeo S, Pallottini V, Segatto M. Neurotrophins as Key Regulators of Cell Metabolism: Implications for Cholesterol Homeostasis. Int J Mol Sci 2021; 22:5692. [PMID: 34073639 PMCID: PMC8198482 DOI: 10.3390/ijms22115692] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/14/2022] Open
Abstract
Neurotrophins constitute a family of growth factors initially characterized as predominant mediators of nervous system development, neuronal survival, regeneration and plasticity. Their biological activity is promoted by the binding of two different types of receptors, leading to the generation of multiple and variegated signaling cascades in the target cells. Increasing evidence indicates that neurotrophins are also emerging as crucial regulators of metabolic processes in both neuronal and non-neuronal cells. In this context, it has been reported that neurotrophins affect redox balance, autophagy, glucose homeostasis and energy expenditure. Additionally, the trophic support provided by these secreted factors may involve the regulation of cholesterol metabolism. In this review, we examine the neurotrophins' signaling pathways and their effects on metabolism by critically discussing the most up-to-date information. In particular, we gather experimental evidence demonstrating the impact of these growth factors on cholesterol metabolism.
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Affiliation(s)
- Mayra Colardo
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy; (M.C.); (N.M.); (D.P.); (S.D.B.)
| | - Noemi Martella
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy; (M.C.); (N.M.); (D.P.); (S.D.B.)
| | - Daniele Pensabene
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy; (M.C.); (N.M.); (D.P.); (S.D.B.)
| | - Silvia Siteni
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA;
| | - Sabrina Di Bartolomeo
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy; (M.C.); (N.M.); (D.P.); (S.D.B.)
| | - Valentina Pallottini
- Department of Science, University Roma Tre, Viale Marconi 446, 00146 Rome, Italy;
- Neuroendocrinology Metabolism and Neuropharmacology Unit, IRCSS Fondazione Santa Lucia, Via del Fosso Fiorano 64, 00143 Rome, Italy
| | - Marco Segatto
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy; (M.C.); (N.M.); (D.P.); (S.D.B.)
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13
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Bayraktar B, Tekce E, Aksakal V, Gül M, Takma Ç, Bayraktar S, Bayraktar FG, Eser G. Effect of the addition of essential fatty acid mixture to the drinking water of the heat stress broilers on adipokine (Apelin, BDNF) response, histopathologic findings in liver and intestines, and some blood parameters. ITALIAN JOURNAL OF ANIMAL SCIENCE 2020. [DOI: 10.1080/1828051x.2020.1778548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Bülent Bayraktar
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Bayburt University, Bayburt, Turkey
| | - Emre Tekce
- Faculty of Applied Sciences, Department of Organic Agriculture Management, Bayburt University, Bayburt, Turkey
| | - Vecihi Aksakal
- Faculty of Applied Sciences, Department of Organic Agriculture Management, Bayburt University, Bayburt, Turkey
| | - Mehmet Gül
- Faculty of Veterinary Medicine, Animal Nutrition and Nutrition Disease, Atatürk University, Erzurum, Turkey
| | - Çiğdem Takma
- Faculty of Agriculture, Department of Animal Science, Biometry and Genetics Unit, Ege University, İzmir, Turkey
| | - Sevil Bayraktar
- Faculty of Veterinary Medicine, Department of physiology, Ondokuz Mayıs University, Samsun, Turkey
| | - Fatma Gülten Bayraktar
- Faculty of Veterinary Medicine, Department of pathology, Atatürk University, Erzurum, Turkey
| | - Gizem Eser
- Faculty of Veterinary Medicine, Department of pathology, Atatürk University, Erzurum, Turkey
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14
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Girard M, Labrunie A, Malauzat D, Nubukpo P. Evolution of BDNF serum levels during the first six months after alcohol withdrawal. World J Biol Psychiatry 2020; 21:739-747. [PMID: 32081048 DOI: 10.1080/15622975.2020.1733079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Brain-Derived Neurotrophic Factor (BDNF) has been associated with alcohol dependence and appear to vary after withdrawal, although the link with the withdrawal outcome on the long term is unknown. We aimed to assess the evolution of BDNF levels during the six months following withdrawal and determine the association with the status of alcohol consumption. METHODS Serum BDNF levels of alcohol-dependent patients (n = 248) and biological and clinical parameters were determined at the time of alcohol cessation (D0), 14 days (D14), 28 days (D28), and 2, 4, and 6 months after (M2, M4, M6). RESULTS Abstinence decreased during follow-up and was 31.9% after six months. BDNF levels increased by 14 days after withdrawal and remained elevated throughout the six-month period, independently of alcohol consumption. Serum BDNF levels evolved over time (p < 0.0001), with a correlation between BDNF and GGT levels. The prescription of baclofen at the time of withdrawal was associated with higher serum BDNF levels throughout the follow-up and that of anti-inflammatory drugs with lower BDNF levels. CONCLUSIONS A link between BDNF levels, liver function, and the inflammatory state in the context of alcohol abuse and not only with alcohol dependence itself is proposed.
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Affiliation(s)
- Murielle Girard
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France
| | | | - Dominique Malauzat
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France
| | - Philippe Nubukpo
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France.,Centre Hospitalier Esquirol, Pôle Universitaire d'Addictologie, Limoges, France
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15
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Girard M, Carrier P, Loustaud-Ratti V, Nubukpo P. BDNF levels and liver stiffness in subjects with alcohol use disorder: Evaluation after alcohol withdrawal. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2020; 47:191-198. [PMID: 33176105 DOI: 10.1080/00952990.2020.1833211] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background: Brain-derived neurotrophic factor (BDNF) plays a key role in the processes of withdrawal and addiction in alcohol use disorder (AUD), and is also involved in liver homeostasis. The role of BDNF in liver damage and its link with liver stiffness are not known. We hypothesize that serum BDNF levels are linked to changes in hepatic elasticity, both of which depend on variations in alcohol consumption.Objectives: We aimed to study the evolution of BDNF levels and changes in the liver stiffness (LS) of AUD subjects, within two months following withdrawal.Methods: We measured LS by FibroScan® (as an indicator of the degree of liver fibrosis), gamma glutamyl transferase (GGT) levels (as a nonspecific but sensitive marker of liver status) and serum BDNF levels of 62 alcohol-dependent subjects without previously identified liver complications. Measures were obtained at the time of withdrawal (M0) and two months later (M2). Results: BDNF levels increased after alcohol withdrawal and small variations of LS were observed. BDNF values increased significantly according to fibrosis stages measured by LS (p = .028 at M0), and were predicted by GGT levels in a regression model (p = .007 at M0 and p = .003 at M2).Conclusion: In AUD, BDNF levels were associated with measured LS when divided into fibrosis risk categories. Changes in LS and BDNF levels after alcohol withdrawal may be related to changes in homeostatic mechanisms, in addition to those of liver status.
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Affiliation(s)
- Murielle Girard
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France.,NSERM U1094, Neuroépidémiologie Tropicale, Limoges, France
| | - Paul Carrier
- Centre Hospitalier Esquirol, Pôle Universitaire d'Addictologie, Limoges, France.,Centre Hospitalier Universitaire Dupuytren, Fédération d'Hépatologie, Service d'Hépato-Gastroentérologie, Limoges, France
| | - Véronique Loustaud-Ratti
- Centre Hospitalier Universitaire Dupuytren, Fédération d'Hépatologie, Service d'Hépato-Gastroentérologie, Limoges, France.,Faculté de Médecine, UMR/INSERM 1248, Limoges, France
| | - Philippe Nubukpo
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France.,NSERM U1094, Neuroépidémiologie Tropicale, Limoges, France.,Centre Hospitalier Esquirol, Pôle Universitaire d'Addictologie, Limoges, France
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16
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Oxidative stress inhibition by resveratrol in alcohol-dependent mice. Nutrition 2020; 79-80:110783. [PMID: 32569950 DOI: 10.1016/j.nut.2020.110783] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 01/13/2020] [Accepted: 02/15/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Uncontrolled ingestion of alcohol has dramatic consequences on the entire organism that are also associated with the oxidation process induced by alcohol and elevate radical oxygen species. Resveratrol, a nonflavonoid phenol, shows well-documented antioxidant properties. We investigated the potential antioxidant ability of this natural compound in a mouse model of alcohol addiction. METHODS We administered (per os) for 60 d 10 mg · kg-1 · d-1 of resveratrol in alcoholic adult male mice. Oxidative stress was evaluated by measuring serum-free oxygen radicals defense and free oxygen radical levels. Resveratrol metabolites were measured in the serum of mice that were administered with resveratrol. Finally, the effect of resveratrol on the alcohol-induced alteration of brain-derived neurotrophic factors (BDNF) in the liver was investigated. RESULTS Prolonged consumption of resveratrol strongly counteracts serum radical oxygen species formation caused by chronic alcohol intake without effects on natural, free oxygen radical defense. The presence of resveratrol metabolites in the serum only of animals supplemented with resveratrol potentiates the evidence that the antioxidant effect observed is due to the ingestion of the natural compound. Moreover, resveratrol supplementation can counteract alcohol-induced BDNF elevation in the liver, which is the main target of organ alcohol-induced damage. CONCLUSIONS The consumption of resveratrol through metabolite formation may play a protective role by decreasing free radical formation and modulating the BDNF involved in hepatic disruption induced by chronic alcohol consumption. Further investigation into the mechanism underlying the protective effect could reinforce the potential use of resveratrol as a dietary supplement to prevent damage associated with chronic alcohol abuse.
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17
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Chan CB, Ahuja P, Ye K. Developing Insulin and BDNF Mimetics for Diabetes Therapy. Curr Top Med Chem 2019; 19:2188-2204. [PMID: 31660832 DOI: 10.2174/1568026619666191010160643] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/29/2019] [Accepted: 09/05/2019] [Indexed: 01/06/2023]
Abstract
Diabetes is a global public health concern nowadays. The majority of diabetes mellitus (DM) patients belong to type 2 diabetes mellitus (T2DM), which is highly associated with obesity. The general principle of current therapeutic strategies for patients with T2DM mainly focuses on restoring cellular insulin response by potentiating the insulin-induced signaling pathway. In late-stage T2DM, impaired insulin production requires the patients to receive insulin replacement therapy for maintaining their glucose homeostasis. T2DM patients also demonstrate a drop of brain-derived neurotrophic factor (BDNF) in their circulation, which suggests that replenishing BDNF or enhancing its downstream signaling pathway may be beneficial. Because of their protein nature, recombinant insulin or BDNF possess several limitations that hinder their clinical application in T2DM treatment. Thus, developing orally active "insulin pill" or "BDNF pill" is essential to provide a more convenient and effective therapy. This article reviews the current development of non-peptidyl chemicals that mimic insulin or BDNF and their potential as anti-diabetic agents.
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Affiliation(s)
- Chi Bun Chan
- School of Biological Sciences, The University of Hong Kong, Hong Kong
| | - Palak Ahuja
- School of Biological Sciences, The University of Hong Kong, Hong Kong
| | - Keqiang Ye
- Department of Pathology and Laboratory Medicine, Emory University of School of Medicine, Atlanta, GA, United States
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18
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Impact of quercetin on tight junctional proteins and BDNF signaling molecules in hippocampus of PCBs-exposed rats. Interdiscip Toxicol 2019; 11:294-305. [PMID: 31762681 PMCID: PMC6853011 DOI: 10.2478/intox-2018-0029] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 02/06/2018] [Indexed: 12/26/2022] Open
Abstract
Polychlorinated biphenyls (PCBs) consist of a range of toxic substances which are directly proportional to carcinogenesis and tumor-promoting factors as well as having neurotoxic properties. Reactive oxygen species, which are produced from PCBs, alter blood–brain barrier (BBB) integrity, which is paralleled by cytoskeletal rearrangements and redistribution and disappearance of tight junction proteins (TJPs) like claudin-5 and occludin. Brain-derived neurotrophic factor (BDNF), plays an important role in the maintenance, survival of neurons and synaptic plasticity. It is predominant in the hippocampal areas vital to learning, memory and higher thinking. Quercetin, a flavonoid, had drawn attention to its neurodefensive property. The study is to assess the role of quercetin on serum PCB, estradiol and testosterone levels and mRNA expressions of estrogen receptor α and β, TJPs and BDNF signaling molecules on the hippocampus of PCBs-exposed rats. Rats were divided into 4 groups of 6 each. Group I rats were intraperitoneally (i.p.) administered corn oil (vehicle). Group II received quercetin 50 mg/kg/bwt (gavage). Group III received PCBs (Aroclor 1254) at 2 mg/kg bwt (i.p). Group IV received quercetin 50 mg/kg bwt (gavage) simultaneously with PCBs 2 mg/kg bwt (i.p.). The treatment was given daily for 30 days. The rats were euthanized 24 h after the experimental period. Blood was collected for quantification of serum PCBs estradiol and testosterone. The hippocampus was dissected and processed for PCR and Western blot; serum PCB was observed in PCB treated animals, simultaneously quercetin treated animals showed PCB metabolites. Serum testosterone and estradiol were decreased after PCB exposure. Quercetin supplementation brought back normal levels. mRNA expressions of estrogen α and β were decreased in the hippocampus of PCB treated rats. TJPS and BDNF signalling molecules were decreased in hippocampus of PCB treated rats. Quercetin supplementation retrieved all the parameters. Quercetin alone treated animals showed no alteration. Thus in PCB caused neurotoxicity, quercetin protects and prevents neuronal damage in the hippocampus.
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Health Benefits of Endurance Training: Implications of the Brain-Derived Neurotrophic Factor-A Systematic Review. Neural Plast 2019; 2019:5413067. [PMID: 31341469 PMCID: PMC6613032 DOI: 10.1155/2019/5413067] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 02/07/2019] [Accepted: 02/24/2019] [Indexed: 02/06/2023] Open
Abstract
This article presents a concept that wide expression of brain-derived neurotrophic factor (BDNF) and its receptors (TrkB) in the nervous tissue, evoked by regular endurance training (ET), can cause numerous motor and metabolic adaptations, which are beneficial for human health. The relationships between the training-evoked increase of endogenous BDNF and molecular and/or physiological adaptations in the nervous structures controlling both motor performance and homeostasis of the whole organism have been presented. Due to a very wide range of plastic changes that ET has exerted on various systems of the body, the improvement of motor skills and counteraction of the development of civilization diseases resulting from the posttraining increase of BDNF/TrkB levels have been discussed, as important for people, who undertake ET. Thus, this report presents the influence of endurance exercises on the (1) transformation of motoneuron properties, which are a final element of the motor pathways, (2) reduction of motor deficits evoked by Parkinson disease, and (3) prevention of the metabolic syndrome (MetS). This review suggests that the increase of posttraining levels of BDNF and its TrkB receptors causes simultaneous changes in the activity of the spinal cord, the substantia nigra, and the hypothalamic nuclei neurons, which are responsible for the alteration of the functional properties of motoneurons innervating the skeletal muscles, for the enhancement of dopamine release in the brain, and for the modulation of hormone levels involved in regulating the metabolic processes, responsively. Finally, training-evoked increase of the BDNF/TrkB leads to a change in a manner of regulation of skeletal muscles, causes a reduction of motor deficits observed in the Parkinson disease, and lowers weight, glucose level, and blood pressure, which accompany the MetS. Therefore, BDNF seems to be the molecular factor of pleiotropic activity, important in the modulation processes, underlying adaptations, which result from ET.
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20
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Belviranlı M, Okudan N. Exercise training increases cardiac, hepatic and circulating levels of brain-derived neurotrophic factor and irisin in young and aged rats. Horm Mol Biol Clin Investig 2018; 36:hmbci-2018-0053. [PMID: 30367793 DOI: 10.1515/hmbci-2018-0053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/11/2018] [Indexed: 01/01/2023]
Abstract
Background The objective of study was to examine the impacts of exercise training on cardiac, hepatic and plasma brain-derived neurotrophic factor (BDNF) and irisin levels in young and aged rats. Materials and methods Four-month-old (young) and 20-month-old (aged) female rats performed exercise training consisting of voluntary wheel running for 12 weeks. BDNF and irisin levels were analyzed in the heart, liver and plasma samples by using commercially available enzyme-linked immunosorbent assay (ELISA) kits. Results Cardiac, hepatic and plasma BDNF levels were lower in the aged sedentary rats, than in the young exercised and aged exercised rats (p < 0.05). Heart, liver and plasma irisin concentrations were lower in the aged sedentary group than in the young sedentary, young exercised and aged exercised groups (p < 0.05) and regular exercise increased irisin levels in all the analyzed tissues when compared to the sedentary counterparts (p < 0.05). Conclusions The current results show that regular exercise improves aging-induced decrease in the cardiac, hepatic and plasma BNDF and irisin levels.
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Affiliation(s)
- Muaz Belviranlı
- Selçuk University, School of Medicine, Department of Physiology, Konya 42030, Turkey, Phone: 90 332 224 47 31, Fax: 90 332 224 48 08
| | - Nilsel Okudan
- Selçuk University, School of Medicine, Department of Physiology, Konya, Turkey
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21
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Potential Role of Brain-Derived Neurotrophic Factor and Dopamine Receptor D2 Gene Variants as Modifiers for the Susceptibility and Clinical Course of Wilson's Disease. Neuromolecular Med 2018; 20:401-408. [PMID: 29992511 DOI: 10.1007/s12017-018-8501-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/07/2018] [Indexed: 01/10/2023]
Abstract
Wilson's disease (WD), an inborn error of copper metabolism caused by mutations in the ATPase copper transporting beta (ATP7B) gene, manifests variable age of onset and different degrees of hepatic and neurological disturbances. This complex phenotypical outcome of a classical monogenic disease can possibly be explained by modifier loci regulating the clinical course of the disease. The brain-derived neurotropic factor (BDNF), critical for the survival, morphogenesis, and plasticity of the neurons, and the dopamine receptor D2 (DRD2), one of the most abundant dopamine receptors in the brain, have been highlighted in the pathophysiology of various neuropsychiatric diseases. This study aims to identify the potential association between BDNF and DRD2 gene polymorphisms and WD and its clinical characteristics. A total of 164 WD patients and 270 controls from India were included in this study. Two BDNF polymorphisms [p.Val66Met (c.G196A) and c.C270T] and the DRD2 Taq1A (A2/A1 or C/T) polymorphism were examined for their association with WD and some of its clinical attributes, using polymerase chain reaction, restriction fragment length digestion, and bidirectional sequencing. The C allele and CC genotype of BDNF C270T were significantly overrepresented among controls compared to WD patients. In addition, a significantly higher proportion of the allele coding for Val and the corresponding homozygous genotype of BDNF Val66Met polymorphism was found among WD patients with age of onset later than 10 years. Furthermore, the A1A1 genotype of DRD2 Taq1A polymorphism was significantly more common among WD patients with rigidity. Our data suggest that both BDNF and DRD2 may act as potential modifiers of WD phenotype in the Indian context.
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Nguyen LT, Reverter A, Cánovas A, Venus B, Anderson ST, Islas-Trejo A, Dias MM, Crawford NF, Lehnert SA, Medrano JF, Thomas MG, Moore SS, Fortes MRS. STAT6, PBX2, and PBRM1 Emerge as Predicted Regulators of 452 Differentially Expressed Genes Associated With Puberty in Brahman Heifers. Front Genet 2018; 9:87. [PMID: 29616079 PMCID: PMC5869259 DOI: 10.3389/fgene.2018.00087] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/02/2018] [Indexed: 12/17/2022] Open
Abstract
The liver plays a central role in metabolism and produces important hormones. Hepatic estrogen receptors and the release of insulin-like growth factor 1 (IGF1) are critical links between liver function and the reproductive system. However, the role of liver in pubertal development is not fully understood. To explore this question, we applied transcriptomic analyses to liver samples of pre- and post-pubertal Brahman heifers and identified differentially expressed (DE) genes and genes encoding transcription factors (TFs). Differential expression of genes suggests potential biological mechanisms and pathways linking liver function to puberty. The analyses identified 452 DE genes and 82 TF with significant contribution to differential gene expression by using a regulatory impact factor metric. Brain-derived neurotrophic factor was observed as the most down-regulated gene (P = 0.003) in post-pubertal heifers and we propose this gene influences pubertal development in Brahman heifers. Additionally, co-expression network analysis provided evidence for three TF as key regulators of liver function during pubertal development: the signal transducer and activator of transcription 6, PBX homeobox 2, and polybromo 1. Pathway enrichment analysis identified transforming growth factor-beta and Wnt signaling pathways as significant annotation terms for the list of DE genes and TF in the co-expression network. Molecular information regarding genes and pathways described in this work are important to further our understanding of puberty onset in Brahman heifers.
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Affiliation(s)
- Loan T Nguyen
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia.,Faculty of Biotechnology, Vietnam National University of Agriculture, Hanoi, Vietnam
| | - Antonio Reverter
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St. Lucia, QLD, Australia
| | - Angela Cánovas
- Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Bronwyn Venus
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Stephen T Anderson
- School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Alma Islas-Trejo
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Marina M Dias
- Departamento de Zootecnia, Faculdade de Ciências Agráìrias e Veterináìrias, Universidade Estadual Paulista Júlio de Mesquita Filho, São Paulo, Brazil
| | - Natalie F Crawford
- Department of Animal Science, Colorado State University, Fort Collins, CO, United States
| | - Sigrid A Lehnert
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St. Lucia, QLD, Australia
| | - Juan F Medrano
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Milt G Thomas
- Department of Animal Science, Colorado State University, Fort Collins, CO, United States
| | - Stephen S Moore
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Marina R S Fortes
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia.,Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
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