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Qiu J, Xu J, Cai Y, Li M, Peng Y, Xu Y, Chen G. Catgut embedding in acupoints combined with repetitive transcranial magnetic stimulation for the treatment of postmenopausal osteoporosis: study protocol for a randomized clinical trial. Front Neurol 2024; 15:1295429. [PMID: 38606276 PMCID: PMC11008468 DOI: 10.3389/fneur.2024.1295429] [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: 09/16/2023] [Accepted: 03/11/2024] [Indexed: 04/13/2024] Open
Abstract
Background To date, the clinical modulation for bone metabolism based on the neuro-bone mass regulation theory is still not popular. The stimulation of nerve systems to explore novel treatments for Postmenopausal osteoporosis (PMOP) is urgent and significant. Preliminary research results suggested that changes brain function and structure may play a crucial role in bone metabolism with PMOP. Thus, we set up a clinical trial to investigate the effect of the combination of repetitive transcranial magnetic stimulation (rTMS) and catgut embedding in acupoints (CEA) for PMOP and to elucidate the central mechanism of this neural stimulation in regulating bone metabolism. Method This trial is a prospective and randomized controlled trial. 96 PMOP participants will be randomized in a 1:1:1 ratio into a CEA group, an rTMS group, or a combined one. Participants will receive CEA, rTMS, or combined therapy for 3 months with 8 weeks of follow-up. The primary outcomes will be the changes in Bone Mineral Density scores, total efficiency of Chinese Medicine Symptoms before and after treatment. Secondary outcomes include the McGill Pain Questionnaire Short-Form, Osteoporosis Symptom Score, Mini-Mental State Examination, and Beck Depression Inventory-II. The leptin, leptin receptor, and norepinephrine levels of peripheral blood must be measured before and after treatment. Adverse events that occur during the trial will be recorded. Discussion CEA achieves brain-bone mass regulation through the bottom-up way of peripheral-central while rTMS achieves it through the top-down stimulation of central-peripheral. CEA combined with rTMS can stimulate the peripheral-central at the same time and promote peripheral bone mass formation. The combination of CEA and rTMS may play a coordinating, synergistic, and side-effect-reducing role, which is of great clinical significance in exploring better treatment options for PMOP.Clinical trial registration: https://www.chictr.org.cn/, identifier ChiCTR2300073863.
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Affiliation(s)
- Jingjing Qiu
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - JiaZi Xu
- Clinical Medical College of Acupuncture-Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingyue Cai
- Clinical Medical College of Acupuncture-Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minghong Li
- Clinical Medical College of Acupuncture-Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingsin Peng
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Yunxiang Xu
- Clinical Medical College of Acupuncture-Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guizhen Chen
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
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Murray GM, Sessle BJ. Pain-sensorimotor interactions: New perspectives and a new model. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2024; 15:100150. [PMID: 38327725 PMCID: PMC10847382 DOI: 10.1016/j.ynpai.2024.100150] [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: 06/30/2023] [Revised: 11/25/2023] [Accepted: 01/19/2024] [Indexed: 02/09/2024]
Abstract
How pain and sensorimotor behavior interact has been the subject of research and debate for many decades. This article reviews theories bearing on pain-sensorimotor interactions and considers their strengths and limitations in the light of findings from experimental and clinical studies of pain-sensorimotor interactions in the spinal and craniofacial sensorimotor systems. A strength of recent theories is that they have incorporated concepts and features missing from earlier theories to account for the role of the sensory-discriminative, motivational-affective, and cognitive-evaluative dimensions of pain in pain-sensorimotor interactions. Findings acquired since the formulation of these recent theories indicate that additional features need to be considered to provide a more comprehensive conceptualization of pain-sensorimotor interactions. These features include biopsychosocial influences that range from biological factors such as genetics and epigenetics to psychological factors and social factors encompassing environmental and cultural influences. Also needing consideration is a mechanistic framework that includes other biological factors reflecting nociceptive processes and glioplastic and neuroplastic changes in sensorimotor and related brain and spinal cord circuits in acute or chronic pain conditions. The literature reviewed and the limitations of previous theories bearing on pain-sensorimotor interactions have led us to provide new perspectives on these interactions, and this has prompted our development of a new concept, the Theory of Pain-Sensorimotor Interactions (TOPSMI) that we suggest gives a more comprehensive framework to consider the interactions and their complexity. This theory states that pain is associated with plastic changes in the central nervous system (CNS) that lead to an activation pattern of motor units that contributes to the individual's adaptive sensorimotor behavior. This activation pattern takes account of the biological, psychological, and social influences on the musculoskeletal tissues involved in sensorimotor behavior and on the plastic changes and the experience of pain in that individual. The pattern is normally optimized in terms of biomechanical advantage and metabolic cost related to the features of the individual's musculoskeletal tissues and aims to minimize pain and any associated sensorimotor changes, and thereby maintain homeostasis. However, adverse biopsychosocial factors and their interactions may result in plastic CNS changes leading to less optimal, even maladaptive, sensorimotor changes producing motor unit activation patterns associated with the development of further pain. This more comprehensive theory points towards customized treatment strategies, in line with the management approaches to pain proposed in the biopsychosocial model of pain.
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Affiliation(s)
- Greg M. Murray
- Discipline of Restorative and Reconstructive Dentistry, Sydney School of Dentistry, Faculty of Medicine and Health, The University of Sydney, Darcy Road, Westmead, NSW 2145, Australia
| | - Barry J. Sessle
- Faculty of Dentistry and Temerty Faculty of Medicine Department of Physiology, and Centre for the Study of Pain, University of Toronto, 124 Edward St, Toronto, ON M5G 1G6, Canada
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3
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Zhou W, Zhou W, Bi Y, Zhou Z, Zhou Z, Chen S, Xie G, Lian Z, Yuan G, Yao G. Antidepressant duloxetine hydrochloride protects against ovariectomy-induced bone loss in mice by inhibiting osteoclast differentiation. Biomed Pharmacother 2023; 168:115810. [PMID: 37913736 DOI: 10.1016/j.biopha.2023.115810] [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: 07/15/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND Several studies have reported the association between osteoporosis and major depressive disorder (MDD) as well as the use of antidepressants. However, it remains to be elucidated whether these associations are related to exposure to antidepressants, a consequence of a disease process, or a combination of both. METHODS This study investigates the independent effect of the antidepressant duloxetine hydrochloride (DH) on ovariectomy-induced bone loss in mice. One week after ovariectomy, the treated mice received DH. To explore the mechanism underlying the rescue of bone loss, bone marrow cells were isolated from mouse femurs and tibias, and macrophages extracted from them were induced to become osteoclasts in vitro while being treated with DH. Subsequently, the osteoclasts underwent Bulk RNA-Seq to reveal the involved signaling pathways. The results of the bioinformatic analysis were then validated through in vitro experiments. RESULTS The in vivo experiments demonstrated that DH treatment compromised ovariectomy-induced bone loss after 7 weeks. The in vitro experiments suggested that DH treatment attenuated osteoclast differentiation via the MAPKs/NFATc1 signaling pathway. CONCLUSION The findings from this study suggest that DH, instead of causing bone mass loss, may assist in alleviating postmenopausal osteoporosis. These results can serve as a reference for the clinical treatment of patients with perimenopausal or postmenopausal depression using antidepressants.
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Affiliation(s)
- Weijun Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Wenyun Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Yonghao Bi
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Zibin Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Zhigao Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Shaozhe Chen
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China
| | - Gang Xie
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Zhen Lian
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Guixin Yuan
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China.
| | - Guanfeng Yao
- Department of Orthopedics, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China; Shantou University Medical College, Shantou, Guangdong, China.
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4
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Garabiles MR, Shen ZZ, Yang L, Chu Q, Hannam K, Hall BJ. Investigating the Physical and Mental Health Nexus: a Network Analysis of Depression, Cardiometabolic Health, Bone Mass, and Perceived Health Status Among Filipino Domestic Workers. Int J Behav Med 2023; 30:234-249. [PMID: 35578098 DOI: 10.1007/s12529-022-10087-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/04/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Migrant domestic workers are vulnerable to physical and mental health problems given the many challenges they experience while working abroad. Using network analysis, this study examined the structure of depression, cardiometabolic health indicators (BMI, waist-hip ratio (WHR), blood pressure, and heart rate), bone mass, and perceived health status in this population. The network model allowed for an examination of central symptoms or symptoms with the most direct connections with other symptoms; bridge symptoms, or symptoms that link two or more communities; and edges, or relationships among symptoms. METHOD Cross-sectional data were gathered from 1375 Filipino domestic workers in Macao (SAR), China. Data from a subsample of 510 participants who met a cutoff indicating depression were analyzed. Anthropometric measurements and surveys were used to collect data, which was analyzed using R statistical software. RESULTS Results showed four community clusters: three communities consisted of at least two depression symptoms each and the fourth community included physical health indicators. Strong edges were formed between BMI-bone mass, psychomotor-concentration, BMI-WHR, and sad mood-anhedonia. The node with the highest expected influence was BMI. There were three bridges: worthlessness, psychomotor difficulties, and concentration difficulties. CONCLUSION The link between depression, cardiometabolic indicators, bone mass, and poor perceived health reinforces the need to address multimorbidity within migrant populations. Health promotion interventions that address mental and physical health may improve the health of this population.
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Affiliation(s)
- Melissa R Garabiles
- Department of Psychology, Ateneo de Manila University, Quezon City, NCR, Philippines
- UGAT Foundation Inc, Ateneo de Manila University, Quezon City, NCR, Philippines
- Psychology Department, De La Salle University, Manila, NCR, Philippines
- Scalabrini Migration Center, Quezon City, NCR, Philippines
| | - Zhuo Zhuo Shen
- School of Psychology, South China Normal University, Guangzhou City, Guangdong, People's Republic of China
| | - Lawrence Yang
- New York University School of Global Public Health, New York, NY, USA
| | - Qian Chu
- Shanghai Jiaotong University, Shanghai, People's Republic of China
| | - Kevin Hannam
- University of St. Joseph, Macao SAR, People's Republic of China
| | - Brian J Hall
- New York University School of Global Public Health, New York, NY, USA.
- Center for Global Health Equity, New York University Shanghai, Pudong, Shanghai, People's Republic of China.
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5
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Channer B, Matt SM, Nickoloff-Bybel EA, Pappa V, Agarwal Y, Wickman J, Gaskill PJ. Dopamine, Immunity, and Disease. Pharmacol Rev 2023; 75:62-158. [PMID: 36757901 PMCID: PMC9832385 DOI: 10.1124/pharmrev.122.000618] [Citation(s) in RCA: 53] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 12/14/2022] Open
Abstract
The neurotransmitter dopamine is a key factor in central nervous system (CNS) function, regulating many processes including reward, movement, and cognition. Dopamine also regulates critical functions in peripheral organs, such as blood pressure, renal activity, and intestinal motility. Beyond these functions, a growing body of evidence indicates that dopamine is an important immunoregulatory factor. Most types of immune cells express dopamine receptors and other dopaminergic proteins, and many immune cells take up, produce, store, and/or release dopamine, suggesting that dopaminergic immunomodulation is important for immune function. Targeting these pathways could be a promising avenue for the treatment of inflammation and disease, but despite increasing research in this area, data on the specific effects of dopamine on many immune cells and disease processes remain inconsistent and poorly understood. Therefore, this review integrates the current knowledge of the role of dopamine in immune cell function and inflammatory signaling across systems. We also discuss the current understanding of dopaminergic regulation of immune signaling in the CNS and peripheral tissues, highlighting the role of dopaminergic immunomodulation in diseases such as Parkinson's disease, several neuropsychiatric conditions, neurologic human immunodeficiency virus, inflammatory bowel disease, rheumatoid arthritis, and others. Careful consideration is given to the influence of experimental design on results, and we note a number of areas in need of further research. Overall, this review integrates our knowledge of dopaminergic immunology at the cellular, tissue, and disease level and prompts the development of therapeutics and strategies targeted toward ameliorating disease through dopaminergic regulation of immunity. SIGNIFICANCE STATEMENT: Canonically, dopamine is recognized as a neurotransmitter involved in the regulation of movement, cognition, and reward. However, dopamine also acts as an immune modulator in the central nervous system and periphery. This review comprehensively assesses the current knowledge of dopaminergic immunomodulation and the role of dopamine in disease pathogenesis at the cellular and tissue level. This will provide broad access to this information across fields, identify areas in need of further investigation, and drive the development of dopaminergic therapeutic strategies.
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Affiliation(s)
- Breana Channer
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Stephanie M Matt
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Emily A Nickoloff-Bybel
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Vasiliki Pappa
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Yash Agarwal
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Jason Wickman
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
| | - Peter J Gaskill
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania (B.C., S.M.M., E.A.N-B., Y.A., J.W., P.J.G.); and The Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania (V.P.)
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6
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Zhang H, Liu S, Qin Q, Xu Z, Qu Y, Wang Y, Wang J, Du Z, Yuan S, Hong S, Chang Z, He W, Yan X, Lang Y, Tang R, Wang Y, Zhu L, Jiang X. Genetic and Pharmacological Inhibition of Astrocytic Mysm1 Alleviates Depressive-Like Disorders by Promoting ATP Production. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 10:e2204463. [PMID: 36414403 PMCID: PMC9811473 DOI: 10.1002/advs.202204463] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/16/2022] [Indexed: 05/03/2023]
Abstract
Major depressive disorder (MDD) is a leading cause of disability worldwide. A comprehensive understanding of the molecular mechanisms of this disorder is critical for the therapy of MDD. In this study, it is observed that deubiquitinase Mysm1 is induced in the brain tissues from patients with major depression and from mice with depressive behaviors. The genetic silencing of astrocytic Mysm1 induced an antidepressant-like effect and alleviated the osteoporosis of depressive mice. Furthermore, it is found that Mysm1 knockdown led to increased ATP production and the activation of p53 and AMP-activated protein kinase (AMPK). Pifithrin α (PFT α) and Compound C, antagonists of p53 and AMPK, respectively, repressed ATP production and reversed the antidepressant effect of Mysm1 knockdown. Moreover, the pharmacological inhibition of astrocytic Mysm1 by aspirin relieved depressive-like behaviors in mice. The study reveals, for the first time, the important function of Mysm1 in the brain, highlighting astrocytic Mysm1 as a potential risk factor for depression and as a valuable target for drug discovery to treat depression.
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Affiliation(s)
- Heyang Zhang
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Shuirong Liu
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Qiaozhen Qin
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
- Faculty of Environmental and Life SciencesBeijing University of TechnologyBeijing100124China
| | - Zhenhua Xu
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Yannv Qu
- Department of GeriatricsPeking University Shenzhen HospitalShenzhenGuangzhou518036China
| | - Yadi Wang
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Jianing Wang
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Zhangzhen Du
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Shanshan Yuan
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Shunming Hong
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
| | - Zhilin Chang
- China National Clinical Research Center for Neurological DiseasesJing‐Jin Center for NeuroinflammationBeijing Tiantan HospitalCapital Medical UniversityBeijing100050China
| | - Wenyan He
- China National Clinical Research Center for Neurological DiseasesJing‐Jin Center for NeuroinflammationBeijing Tiantan HospitalCapital Medical UniversityBeijing100050China
| | - Xinlong Yan
- Faculty of Environmental and Life SciencesBeijing University of TechnologyBeijing100124China
| | - Yiran Lang
- Beijing Innovation Center for Intelligent Robots and SystemsBeijing Institute of TechnologyBeijing100081China
| | - Rongyu Tang
- Beijing Innovation Center for Intelligent Robots and SystemsBeijing Institute of TechnologyBeijing100081China
| | - Yan Wang
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
- Anhui Medical UniversityHefeiAnhui230032China
| | - Lingling Zhu
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
- Anhui Medical UniversityHefeiAnhui230032China
- Co‐innovation Center of NeuroregenerationNantong UniversityNantong226019China
| | - Xiaoxia Jiang
- Beijing Institute of Basic Medical Sciences27 Taiping Road, Haidian DistrictBeijing100850China
- Anhui Medical UniversityHefeiAnhui230032China
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Fluoxetine improves bone microarchitecture and mechanical properties in rodents undergoing chronic mild stress - an animal model of depression. Transl Psychiatry 2022; 12:339. [PMID: 35987907 PMCID: PMC9392792 DOI: 10.1038/s41398-022-02083-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 07/14/2022] [Accepted: 07/20/2022] [Indexed: 11/20/2022] Open
Abstract
Depression is one of the most prevalent mental disorders associated with reductions in bone mineral density and increased fracture risk. Fluoxetine is a highly prescribed selective serotonin reuptake inhibitor (SSRI) in the treatment of depression and is reported to be a risk factor for fractures. The present study examined the effect of fluoxetine on bone microarchitecture and the mechanical properties under chronic mild stress (CMS), a rodent model of depression. Thirty-one 6-9 week-old rats were allocated to 4 groups: 1) CMS + fluoxetine group (n = 10), 2) fluoxetine-only group (n = 5), 3) CMS + placebo group (n = 10) and 4) control group (no CMS and treatment) (n = 6). After 16 weeks, bone microarchitecture of the distal femur was analyzed by µCT. Mechanical properties were assessed by the three-point bending test, and antidepressant efficacy was determined by sucrose preference and forced swimming tests. Significant correlations were found between volume of sucrose intake and bone volume/tissue volume (BV/TV) (p = 0.019) and elastic absorption energy (p = 0.001) in the fluoxetine only group. The fluoxetine-only group showed significantly higher in the second moment of area in y-direction (p = 0.0298), horizontal outer diameter (mm) (p = 0.0488) and average midshaft thickness (mm) (p = 0.00047) than control group. Comparing with the control group, there was a significant reduction in trabecular number (Tb.N) in the CMS + fluoxetine group (p = 0.026) but not the fluoxetine-only group (p > 0.05). Significant increases in trabecular separation were observed in the metaphysis of CMS + placebo (p = 0.003) and CMS + fluoxetine (p = 0.004) groups when compared to the control group but not in the fluoxetine-only group (p > 0.05). During the three-point bending test, the fluoxetine-only group demonstrated significantly higher structural strength than controls (p = 0.04). Micro computed tomography (µCT) slices showed loss of trabecular bone in the metaphysis region of the CMS + fluoxetine and CMS + placebo groups but not the fluoxetine-only and control groups. In an animal model of depression, the adverse effect on the bone microarchitecture was caused by CMS but not by fluoxetine. Without exposure to CMS, fluoxetine significantly increased the cross-sectional area, trabecular bone area, structural strength and osteoblasts / bone area as compared to control condition.
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8
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Shin MK, Kim H, Choi SH, Kim BJ, Kwon O. Sex-specific bi‑directional association between osteoporosis and depression from the national representative data of South Korea. Sci Rep 2022; 12:9500. [PMID: 35680922 PMCID: PMC9184731 DOI: 10.1038/s41598-022-13401-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/24/2022] [Indexed: 11/16/2022] Open
Abstract
Both osteoporosis and depression are major health threats, but their interrelationship is not clear. This study elucidated the associations between osteoporosis and depression while considering the temporal sequence of the diagnoses. In this cross-sectional study, data were extracted from the Korean National Health and Nutrition Examination Surveys (2007-2009 and 2015-2019, n = 29,045). Osteoporosis and depression were defined by diagnoses thereof. The odds ratio (OR) of the incident osteoporosis among depression patients without a history of osteoporosis was calculated by multivariable logistic regression adjusted for potential confounders. A reverse association was also assessed. Participants were additionally stratified by their sex and age. As a result, male depression patients aged under 50 years showed higher ORs for osteoporosis than those without depression (OR 9.16, 95% CI 1.78-47.18). Female osteoporosis patients showed lower ORs for depression than those without osteoporosis (OR 0.71, 95% CI 0.58-0.88), especially in women aged 50 years and older. In the sensitivity analysis, the same results were obtained in women by their menopause status. Depression has a strong positive association with the occurrence of osteoporosis in young male adults, and osteoporosis has a negative association with the occurrence of depression in female adults.
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Affiliation(s)
- Min Kyoung Shin
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, 03080, Korea
| | - Hyejin Kim
- Department of Public Health, Yonsei University Graduate School, Seoul, 03722, Korea
| | - Soo-Hee Choi
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, 03080, Korea
- Department of Psychiatry, Seoul National University Hospital, Seoul, 03080, Korea
| | - Beom-Jun Kim
- Department of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Korea
| | - Obin Kwon
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea.
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, 03080, Korea.
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9
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Feng R, He MC, Li Q, Liang XQ, Tang DZ, Zhang JL, Liu SF, Lin FH, Zhang Y. Phenol glycosides extract of Fructus Ligustri Lucidi attenuated depressive-like behaviors by suppressing neuroinflammation in hypothalamus of mice. Phytother Res 2020; 34:3273-3286. [PMID: 32603019 DOI: 10.1002/ptr.6777] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 05/16/2020] [Accepted: 05/28/2020] [Indexed: 12/16/2022]
Abstract
Depression is partially caused by inflammation in central nervous system. This study investigated the ameliorative effects of phenol glycosides (PG) from Ligustrum lucidum Ait. (Oleaceae) on neuroinflammation and depressive-like behavior in mice hypothalamus as well as the molecular mechanism. Mice were administered with PG extract for 2 weeks prior to treatment with LPS. The mice treated with PG extract showed resistance to LPS-induced reduction in body weight and LPS-induced depressive-like behaviors shown by sucrose preference, tail suspension test, forced swimming test and open field test. LPS-induced activation of microglial cells and elevation in protein expression of inflammatory cytokines including IL-1β, RANTES and MCP-1 in hypothalamus of mice were abrogated by pre-treatment with PG extract. This extract down-regulated expression of TLR4, MyD88, NLRP3, renin and angiotensin II and decreased proportional area of Iba-1+ microglias in hypothalamus. Pre-treatment with PG extract inhibited LPS-triggered activation of CaSR/Gα11 signaling, stimulated 1-OHase expression in hypothalamus, and enhanced circulating 1,25(OH)2 D3 level. Overall, pre-treatment with PG extract ameliorated LPS-induced depressive-like behaviors by repressing neuroinflammation in mice hypothalamus which was attributed to its suppression on activation of microglia and production of inflammatory cytokines via acting on TLR4 pathway, CaSR and RAS cascade associated with improving vitamin D metabolism.
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Affiliation(s)
- Rui Feng
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ming-Chao He
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qiang Li
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai, China
| | - Xiao-Qiang Liang
- Institute of Chinese Traditional Surgery, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - De-Zhi Tang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai, China
| | - Jia-Li Zhang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shu-Fen Liu
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai, China
| | - Fu-Hui Lin
- Department of Orthopaedic, Shenzhen Pingle Orthopaedic Hospital, Shenzhen, China
| | - Yan Zhang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai, China
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10
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He MC, Shi Z, Qin M, Sha NN, Li Y, Liao DF, Lin FH, Shu B, Sun YL, Yuan TF, Wang YJ, Zhang Y. Muscone Ameliorates LPS-Induced Depressive-Like Behaviors and Inhibits Neuroinflammation in Prefrontal Cortex of Mice. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2020; 48:559-577. [PMID: 32345030 DOI: 10.1142/s0192415x20500287] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Depression is partially caused by inflammation in the central nervous system. Early study demonstrated that musk, glandular secretion from male musk deer, exerted an antidepressant-like effect. The aim of this study was to investigate if muscone, a bioactive ingredient in musk, could ameliorate neuroinflammation and depressive-like behaviors as well as explore the potential action mechanism. Mice were intraperitoneally (i.p.) injected with muscone for 2 weeks prior to administration of lipopolysaccharides (LPS, 1mg/kg, i.p.). Pre-treatment with muscone reversed the LPS-induced decrease in body weight within 24h and ameliorated depressive-like behaviors shown by sucrose preference, tail suspension test, and forced swimming test. LPS-induced activation of microglial cells and elevation in expression of inflammatory cytokines including IL-1β, RANTES, and MCP-1 in the prefrontal cortex of mice were effectively abrogated by muscone, which significantly down-regulated expression of TLR4, MyD88, Caspase-1, NLRP3, renin, and Ang II. In addition, treatment of BV2 microglia cells with muscone markedly attenuated the LPS-induced rise in protein expression of TLR4, Ang II, and IL-1β. This study revealed that muscone could ameliorate LPS-induced depressive-like behaviors by repressing neuroinflammation in the prefrontal cortex of mice caused by its suppression on microglia activation and production of inflammatory cytokines via acting on TLR4 pathway and RAS cascade.
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Affiliation(s)
- Ming-Chao He
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
| | - Zhe Shi
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai 201108, P. R. China.,Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, P. R. China
| | - Meng Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Nan-Nan Sha
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China
| | - Yue Li
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
| | - Duan-Fang Liao
- Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, P. R. China
| | - Fu-Hui Lin
- Department of Orthopaedic, Shenzhen Pingle Orthopaedic Hospital, Shenzhen 518000, P. R. China
| | - Bing Shu
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
| | - Yue-Li Sun
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
| | - Ti-Fei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai 201108, P. R. China.,Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, P. R. China
| | - Yong-Jun Wang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
| | - Yan Zhang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai 200032, P. R. China
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11
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Polito R, Monda V, Nigro E, Messina A, Di Maio G, Giuliano MT, Orrù S, Imperlini E, Calcagno G, Mosca L, Mollica MP, Trinchese G, Scarinci A, Sessa F, Salerno M, Marsala G, Buono P, Mancini A, Monda M, Daniele A, Messina G. The Important Role of Adiponectin and Orexin-A, Two Key Proteins Improving Healthy Status: Focus on Physical Activity. Front Physiol 2020; 11:356. [PMID: 32390865 PMCID: PMC7188914 DOI: 10.3389/fphys.2020.00356] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 03/27/2020] [Indexed: 12/15/2022] Open
Abstract
Exercise represents the most important integrative therapy in metabolic, immunologic and chronic diseases; it represents a valid strategy in the non-pharmacological intervention of lifestyle linked diseases. A large body of evidence indicates physical exercise as an effective measure against chronic non-communicable diseases. The worldwide general evidence for health benefits are both for all ages and skill levels. In a dysregulated lifestyle such as in the obesity, there is an imbalance in the production of different cytokines. In particular, we focused on Adiponectin, an adipokine producted by adipose tissue, and on Orexin-A, a neuropeptide synthesized in the lateral hypothalamus. The production of both Adiponectin and Orexin-A increases following regular and structured physical activity and both these hormones have similar actions. Indeed, they improve energy and glucose metabolism, and also modulate energy expenditure and thermogenesis. In addition, a relevant biological role of Adiponectin and Orexin A has been recently highlighted in the immune system, where they function as immune-suppressor factors. The strong connection between these two cytokines and healthy status is mediated by physical activity and candidates these hormones as potential biomarkers of the beneficial effects induced by physical activity. For these reasons, this review aims to underly the interconnections among Adiponectin, Orexin-A, physical activity and healthy status. Furthermore, it is analyzed the involvement of Adiponectin and Orexin-A in physical activity as physiological factors improving healthy status through physical exercise.
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Affiliation(s)
- Rita Polito
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Vincenzo Monda
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Ersilia Nigro
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy
| | - Antonietta Messina
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Girolamo Di Maio
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Maria Teresa Giuliano
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Stefania Orrù
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy.,IRCCS SDN, Naples, Italy
| | | | - Giuseppe Calcagno
- Dipartimento di Medicina e Scienze della Salute "Vincenzo Tiberio", Università degli Studi del Molise, Campobasso, Italy
| | - Laura Mosca
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Maria Pina Mollica
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Giovanna Trinchese
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Alessia Scarinci
- Dipartimento di Scienze della Formazione, Psicologia, Comunicazione, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Francesco Sessa
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Monica Salerno
- Department of Medical, Surgery Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, Catania, Italy
| | - Gabriella Marsala
- Struttura Complessa di Farmacia, Azienda Ospedaliero Universitaria - Ospedali Riuniti, Foggia, Italy
| | - Pasqualina Buono
- Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy.,Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy.,IRCCS SDN, Naples, Italy
| | - Annamaria Mancini
- Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy.,Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy
| | - Marcellino Monda
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Aurora Daniele
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
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12
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Determinants of low bone mineral density in people with multiple sclerosis: Role of physical activity. Mult Scler Relat Disord 2019; 38:101864. [PMID: 31801106 DOI: 10.1016/j.msard.2019.101864] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 11/20/2019] [Accepted: 11/22/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND People with multiple sclerosis (PwMS) have reduced bone mineral density (BMD), but the causes are unclear. Some factors that may cause reduced BMD in PwMS have been understudied, including physical activity, inflammation, cortisol, symptomatic fatigue, and depression. The aim of this study was to investigate factors that may uniquely contribute to reduced BMD in PwMS as compared to people without MS. We hypothesized that physical activity would be the primary determinant of low BMD in PwMS, with additional contributions from inflammation and sympathetic nervous system activation. METHODS We tested 23 PwMS (16 women; median EDSS: 2) and 22 control participants (16 women). BMD was measured from the femoral neck and lumbar spine with dual x-ray absorptiometry. Disability was measured with the Expanded Disability Status Scale, and functional capacity was measured with the Multiple Sclerosis Functional Composite. Questionnaires measured symptomatic fatigue and depression. A blood draw was used to measure calcium, phosphate, vitamin D, N-terminal telopeptide, osteopontin, and cytokine markers of inflammation. Physical activity was measured with accelerometry. Salivary cortisol and cardiac heart rate variability also were obtained. All outcome variables were compared between groups with independent samples t-tests. Variables that were different between groups and significantly correlated (Pearson product-moment) with femoral neck BMD, were included in a theoretical model to explain femoral neck BMD. The expected direction of relations in the theoretical model were developed based upon the results of previous research. A Bayesian path analysis was used to test the relations of predictive variables with femoral neck BMD and interrelations among predictive variables, as detailed in the theoretical model. RESULTS PwMS had lower BMD at the femoral neck than controls (p = =0.04; mean difference: -0.09; 95% CI: -0.2, -0.004; Cohen's d = =0.65), and there was a smaller, statistically non-significant difference in BMD at the lumbar spine (p = =0.07; mean difference: -0.08; 95% CI: -0.17, 0.007; Cohen's d = =0.59). PwMS also had lower functional capacity (p ≤ 0.001; Cohen's d = =1.50), greater fatigue (p<0.001; Cohen's d = =1.88), greater depression (p<0.001; d = =1.31), and decreased physical activity (p = =0.03; Cohen's d = =0.62). Using path analysis to test our theoretical model, we found that disability (standardized estimate= -0.17), physical activity (standardized estimate=0.39), symptomatic fatigue (standardized estimate= -0.36), depression (standardized estimate= -0.30), and inflammatory markers (standardized estimate=0.27) explained 51% of the variance in femoral neck BMD. Inflammatory markers were also predictive of disability (standardized estimate=0.44) and physical activity (standardized estimate= -0.40). Symptomatic fatigue and depression were correlated (r = =0.64). CONCLUSION Physical activity, symptomatic fatigue, depression, disability, and inflammation all contributed independently to decreased femoral neck BMD in PWMS. Bone metabolism in PwMS is complex. Efforts to increase physical activity and address symptomatic fatigue and depression may improve bone mineral density in PwMS. Future research should investigate the mechanisms through which symptomatic fatigue and depression contribute to reduced BMD in PwMS.
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13
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Effects of Sympathetic Activity on Human Skeletal Homeostasis: Clinical Evidence from Pheochromocytoma. Clin Rev Bone Miner Metab 2019. [DOI: 10.1007/s12018-019-9257-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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14
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Abstract
It is from the discovery of leptin and the central nervous system as a regulator of bone remodeling that the presence of autonomic nerves within the skeleton transitioned from a mere histological observation to the mechanism whereby neurons of the central nervous system communicate with cells of the bone microenvironment and regulate bone homeostasis. This shift in paradigm sparked new preclinical and clinical investigations aimed at defining the contribution of sympathetic, parasympathetic, and sensory nerves to the process of bone development, bone mass accrual, bone remodeling, and cancer metastasis. The aim of this article is to review the data that led to the current understanding of the interactions between the autonomic and skeletal systems and to present a critical appraisal of the literature, bringing forth a schema that can put into physiological and clinical context the main genetic and pharmacological observations pointing to the existence of an autonomic control of skeletal homeostasis. The different types of nerves found in the skeleton, their functional interactions with bone cells, their impact on bone development, bone mass accrual and remodeling, and the possible clinical or pathophysiological relevance of these findings are discussed.
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Affiliation(s)
- Florent Elefteriou
- Department of Molecular and Human Genetics and Orthopedic Surgery, Center for Skeletal Medicine and Biology, Baylor College of Medicine , Houston, Texas
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15
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Hahn C, Oh JH, Joo SH, Jeong JE, Chae JH, Lee CU, Kim TS. Association between mental health status and bone mineral density: Analysis of the 2008-2010 Korea national health and nutrition examination survey. PLoS One 2017; 12:e0187425. [PMID: 29131866 PMCID: PMC5683604 DOI: 10.1371/journal.pone.0187425] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 10/19/2017] [Indexed: 02/03/2023] Open
Abstract
The current study aimed to investigate the association between mental health status and bone mineral density (BMD) using data from the Korean National Health and Nutrition Examination Survey (KNHANES) 2008–2010. We enrolled 15,876 South Korean participants (4,010 postmenopausal females, 4,836 premenopausal females, and 7,016 males, all aged 20 years or older). BMD was measured using dual-energy radiography absorptiometry at the femoral neck (NK), lumbar spine (LSP), and total femur (TFM). Mental health status data were obtained from a self-report questionnaire that assessed psychological stress, depressed mood, and suicidal ideation. Psychological stress was negatively correlated with BMD in the LSP, NK, and TFM for the male group. Depressed mood was associated with lower BMD in the LSP, NK and TFM for the premenopausal female group, and in the LSP for the male group. Suicidal ideation was associated with lower BMD in the NK and TFM for the male group. Mental health problems were associated with lower BMD, especially in premenopausal females and males. Future investigations should focus on the shared pathophysiology between mental health problems and BMD, and the interrelationship between increased BMD and recovery from mental health problems.
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Affiliation(s)
- Changtae Hahn
- Department of Psychiatry, Daejeon St. Mary’s Hospital, College of Medicine, Catholic University of Korea, Deajeon, Republic of Korea
| | - Ji Hoon Oh
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Soo-Hyun Joo
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jo-Eun Jeong
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jeong-Ho Chae
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chang-Uk Lee
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tae-Suk Kim
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- * E-mail:
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16
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Zimmer A. A collaboration investigating endocannabinoid signalling in brain and bone. J Basic Clin Physiol Pharmacol 2017; 27:229-35. [PMID: 26887036 DOI: 10.1515/jbcpp-2015-0125] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Accepted: 01/08/2016] [Indexed: 12/24/2022]
Abstract
Investigations into the cellular and molecular mechanisms underlying the psychoactive effects of cannabis preparations have led to the discovery of the endocannabinoid system. Interest in the central nervous system effects was initially the main focus of the research, but it soon became evident that the endocannabinoid system affects virtually every organ. The research field has therefore experienced a tremendous growth over the last decade and is now truly interdisciplinary. This short review provides a personal account of an interdisciplinary collaboration between Itai Bab from the Hebrew University of Jerusalem and the author. It describes the discovery of the endocannabinoid system in bone and the analysis of its functions. I am summarising the role of CB1 signalling as a modulator of sympathetic inhibition of bone formation. Thus, activation of CB1 receptors on sympathetic nerve terminals in bone, presumably from endocannabinoids released from apposing osteoblasts, reduces the inhibition of bone formation of sympathetic norepinephrine. CB2 receptors on osteoblasts and osteoclasts also modulate the proliferation and functions of these cells. Thus, activation of CB2 stimulates bone formation and represses bone resorption, whereas the genetic disruption of CB2 results in an osteoporosis-like phenotype. This signalling mechanism is clinically relevant, as shown by the association of polymorphisms in the CB2 receptor gene, CNR2, with bone density and osteoporosis. Finally, the review provides a summary of the recently discovered role of endocannabinoid signalling in one elongation. This review will also discuss the benefits of interdisciplinary and international collaborations.
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17
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Oksuz S, Unal E. The effect of the clinical pilates exercises on kinesiophobia and other symptoms related to osteoporosis: Randomised controlled trial. Complement Ther Clin Pract 2017; 26:68-72. [DOI: 10.1016/j.ctcp.2016.12.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 11/28/2016] [Accepted: 12/07/2016] [Indexed: 11/25/2022]
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18
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ZONG JIANCHUN, WANG XING, ZHOU XIANG, WANG CHEN, CHEN LIANG, YIN LIANGJUN, HE BAICHENG, DENG ZHONGLIANG. Gut-derived serotonin induced by depression promotes breast cancer bone metastasis through the RUNX2/PTHrP/RANKL pathway in mice. Oncol Rep 2015; 35:739-48. [DOI: 10.3892/or.2015.4430] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 09/23/2015] [Indexed: 11/05/2022] Open
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19
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Correll CU, Detraux J, De Lepeleire J, De Hert M. Effects of antipsychotics, antidepressants and mood stabilizers on risk for physical diseases in people with schizophrenia, depression and bipolar disorder. World Psychiatry 2015; 14:119-36. [PMID: 26043321 PMCID: PMC4471960 DOI: 10.1002/wps.20204] [Citation(s) in RCA: 515] [Impact Index Per Article: 57.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
People with severe mental illness have a considerably shorter lifespan than the general population. This excess mortality is mainly due to physical illness. Next to mental illness-related factors, unhealthy lifestyle, and disparities in health care access and utilization, psychotropic medications can contribute to the risk of physical morbidity and mortality. We systematically reviewed the effects of antipsychotics, antidepressants and mood stabilizers on physical health outcomes in people with schizophrenia, depression and bipolar disorder. Updating and expanding our prior systematic review published in this journal, we searched MEDLINE (November 2009 - November 2014), combining the MeSH terms of major physical disease categories (and/or relevant diseases within these categories) with schizophrenia, major depressive disorder and bipolar disorder, and the three major psychotropic classes which received regulatory approval for these disorders, i.e., antipsychotics, antidepressants and mood stabilizers. We gave precedence to results from (systematic) reviews and meta-analyses wherever possible. Antipsychotics, and to a more restricted degree antidepressants and mood stabilizers, are associated with an increased risk for several physical diseases, including obesity, dyslipidemia, diabetes mellitus, thyroid disorders, hyponatremia; cardiovascular, respiratory tract, gastrointestinal, haematological, musculoskeletal and renal diseases, as well as movement and seizure disorders. Higher dosages, polypharmacy, and treatment of vulnerable (e.g., old or young) individuals are associated with greater absolute (elderly) and relative (youth) risk for most of these physical diseases. To what degree medication-specific and patient-specific risk factors interact, and how adverse outcomes can be minimized, allowing patients to derive maximum benefits from these medications, requires adequate clinical attention and further research.
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Affiliation(s)
- Christoph U Correll
- Department of Psychiatry, Zucker Hillside Hospital, North Shore - Long Island Jewish Health SystemGlen Oaks, New York, NY, USA,Department of Psychiatry and Molecular Medicine, Hofstra North Shore LIJ School of MedicineHempstead, New York, NY, USA,Psychiatric Neuroscience Center of Excellence, Feinstein Institute for Medical ResearchManhasset, New York, NY, USA,Department of Psychiatry and Behavioral Sciences, Albert Einstein College of MedicineBronx, New York, NY, USA
| | - Johan Detraux
- Department of Neurosciences, Catholic University LeuvenB-3070 Kortenberg, Belgium
| | - Jan De Lepeleire
- Department of Public Health and Primary Care, University of LeuvenB-3000 Leuven, Belgium
| | - Marc De Hert
- Department of Neurosciences, Catholic University LeuvenB-3070 Kortenberg, Belgium
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20
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Abstract
Bone metabolism is regulated by the action of two skeletal cells: osteoblasts and osteoclasts. This process is controlled by many genetic, hormonal and lifestyle factors, but today more and more studies have allowed us to identify a neuronal regulation system termed 'bone-brain crosstalk', which highlights a direct relationship between bone tissue and the nervous system. The first documentation of an anatomic relationship between nerves and bone was made via a wood cut by Charles Estienne in Paris in 1545. His diagram demonstrated nerves entering and leaving the bones of a skeleton. Later, several studies were conducted on bone innervation and, as of today, many observations on the regulation of bone remodeling by neurons and neuropeptides that reside in the CNS have created a new research field, that is, neuroskeletal research.
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Affiliation(s)
- Alessia Metozzi
- a 1 Department of Surgery and Translational Medicine, Metabolic Bone Diseases Unit, University of Florence, Largo Palagi 1, 50138 Florence, Italy
| | - Lorenzo Bonamassa
- a 1 Department of Surgery and Translational Medicine, Metabolic Bone Diseases Unit, University of Florence, Largo Palagi 1, 50138 Florence, Italy
| | - Gemma Brandi
- b 2 Public Mental Health system 1-4 of Florence, Florence, Italy
| | - Maria Luisa Brandi
- c 3 Department of Surgery and Translational Medicine, Metabolic Bone Diseases Unit, AOUC Careggi, University of Florence, Largo Palagi 1, 50138 Florence, Italy
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21
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Depressive symptoms are associated with lower bone mineral density in young adults with high job strain. The Cardiovascular Risk in Young Finns Study. Int J Behav Med 2014; 21:464-9. [PMID: 23780845 DOI: 10.1007/s12529-013-9327-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Job strain has been associated with depressive symptoms, and depression has been associated with low bone mineral density (BMD). PURPOSE The associations between BMD and job strain have not been studied. We examined the relations between BMD, job strain, and depressive symptoms in a population-based group of young adults in Finland. METHOD Ultrasonic measurement of BMD at the calcaneus was performed on 777 participants (men 45 %, aged 30-45) drawn from the Cardiovascular Risk in Young Finns Study. Job strain was assessed by self-administered questionnaires by the combination of job demands and job control. Depressive symptoms were assessed with a modified Beck Depression Inventory. The effects of job strain on BMD were studied with multivariable analyses with age, sex, BMI, vitamin D, and calcium intake, physical activity, cigarette smoking, alcohol use, and depressive symptoms as covariates. RESULTS Depressive symptoms were independently associated with lower BMD T score in participants with high job strain (β = -0.241, p = 0.02), but depressive symptoms were not significantly associated with BMD in the low (β = -0.160, p = 0.26) and intermediate (β = -0.042, p = 0.66) job strain categories. CONCLUSION The results suggest that job strain modifies the association between depressive symptoms and BMD. Depressed individuals with high work-related stress might be in increased risk of lower bone mineral density.
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22
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Orexin regulates bone remodeling via a dominant positive central action and a subordinate negative peripheral action. Cell Metab 2014; 19:927-40. [PMID: 24794976 PMCID: PMC4047150 DOI: 10.1016/j.cmet.2014.03.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 02/03/2014] [Accepted: 02/26/2014] [Indexed: 01/13/2023]
Abstract
Orexin neuropeptides promote arousal, appetite, reward, and energy expenditure. However, whether orexin affects bone mass accrual is unknown. Here, we show that orexin functions centrally through orexin receptor 2 (OX2R) in the brain to enhance bone formation. OX2R null mice exhibit low bone mass owing to elevated circulating leptin, whereas central administration of an OX2R-selective agonist augments bone mass. Conversely, orexin also functions peripherally through orexin receptor 1 (OX1R) in the bone to suppress bone formation. OX1R null mice exhibit high bone mass owing to a differentiation shift from marrow adipocyte to osteoblast that results from higher osseous ghrelin expression. The central action is dominant because bone mass is reduced in orexin null and OX1R2R double null mice but enhanced in orexin-overexpressing transgenic mice. These findings reveal orexin as a critical rheostat of skeletal homeostasis that exerts a yin-yang dual regulation and highlight orexin as a therapeutic target for osteoporosis.
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23
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Sibilia V, Pagani F, Dieci E, Mrak E, Marchese M, Zarattini G, Guidobono F. Dietary tryptophan manipulation reveals a central role for serotonin in the anabolic response of appendicular skeleton to physical activity in rats. Endocrine 2013; 44:790-802. [PMID: 23619963 DOI: 10.1007/s12020-013-9962-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 04/13/2013] [Indexed: 11/25/2022]
Abstract
Several studies support a serotonin role in the physiological control of bone mass. However, whether serotonin (5-HT) is involved in bone loss due to reduced mechanical stress or unloading is unknown. We investigated the effects of reduced 5-HT tone, induced by tryptophan-free diet, in movement-restraint osteopenia induced by housing mature rats, acclimatised in single cages with a floor area of 1,500 cm(2), in smaller size single cages where their motor activity was reduced. Tryptophan-deficiency significantly worsened movement-restraint-induced bone loss in both femoral metaphysis and diaphysis (DXA analysis) but not at lumbar vertebrae and impaired the mechanical properties of the femur by significantly reducing both cortical thickness and strength strain index (pQCT analysis). Such effects resulted from an impairment of bone turnover with bone resorption exceeding bone formation. Tryptophan-supplemented diet reversed the worsening effects of tryptophan-deficiency on movement-restraint osteopenia. The improvements of both bone mass and strength were associated with an increase of serum osteocalcin and IGF-I, markers of osteoblast activity. In vitro studies in primary cultures of rat osteoblasts suggest that the anabolic action of 5-HT involves the activation of the Wnt/β-catenin pathway. Serotonin significantly increased the cytoplasmatic β-catenin protein levels by the inhibition of the enzyme glycogen synthase kinase-3β, that by phosphorylating β-catenin promotes its degradation. Our data support a role for 5-HT in the anabolic response of the appendicular skeleton to mechanical loading. We suggest that serotonin might stimulate canonical Wnt/β-catenin-dependent bone formation to occur.
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Affiliation(s)
- Valeria Sibilia
- Department of Medical Biotechnology and Translational Medicine, Medical Pharmacology Unit, Università degli Studi di Milano, Via Vanvitelli, 32, Milan, 20129, Italy,
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Oh SM, Kim HC, Kim KM, Ahn SV, Choi DP, Suh I. Association between depressive symptoms and bone stiffness index in young adults: the Kangwha study. PLoS One 2013; 8:e69929. [PMID: 23894562 PMCID: PMC3722098 DOI: 10.1371/journal.pone.0069929] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Accepted: 06/13/2013] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE Young adulthood is an important period for both bone and mental health. This study investigated the association between depressive symptoms and bone density in apparently healthy Korean men and women aged 29-32 years. METHODS This study is a cross-sectional analysis of data from 123 men and 133 women who completed follow-up examinations of the Kangwha study in 2010-2011. Bone stiffness index (SI) was measured at the os calcis using a quantitative ultrasound device. Depressive symptoms were evaluated using the Korean version of the Beck Depression Inventory (K-BDI) and classified as normal (K-BDI <10), mild (K-BDI 10-15), and moderate to severe (K-BDI ≥16). RESULTS Moderate to severe depressive symptoms were prevalent among 11.4% of men and 19.6% of women. Higher K-BDI scores were significantly correlated to SI in men, before (ρ = -0.286, p = 0.001) and after (ρ = -0.228, p = 0.013) adjustment for covariates. Men with depressive symptoms tended to have a lower SI; multivariate-adjusted mean SI in men with normal, mild, and moderate to severe depressive symptoms was 104.1±3.1, 100.9±5.9, and 94.1±7.8, respectively (p for trend = 0.021). In contrast, no significant correlations were identified in women. CONCLUSIONS Depressive symptoms were significantly associated with lower SI in men, but not in women. Further studies are necessary to evaluate the impact of depression on developing osteoporosis or osteoporotic fractures later in life.
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Affiliation(s)
- Sun Min Oh
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyeon Chang Kim
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyoung Min Kim
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Song Vogue Ahn
- Department of Preventive Medicine, Wonju College of Medicine, Yonsei University, Wonju, Republic of Korea
| | - Dong Phil Choi
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Il Suh
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
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Psychoneuroendocrine alterations during 5 days of head-down tilt bed rest and artificial gravity interventions. Eur J Appl Physiol 2013; 113:2057-65. [DOI: 10.1007/s00421-013-2640-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2012] [Accepted: 04/02/2013] [Indexed: 10/27/2022]
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Shinohara H, Fukumitsu H, Seto A, Furukawa S. Medium-chain fatty acid-containing dietary oil alleviates the depression-like behaviour in mice exposed to stress due to chronic forced swimming. J Funct Foods 2013. [DOI: 10.1016/j.jff.2012.12.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Ji-Ye H, Xin-Feng Z, Lei-Sheng J. Autonomic control of bone formation. AUTONOMIC NERVOUS SYSTEM 2013; 117:161-71. [DOI: 10.1016/b978-0-444-53491-0.00014-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Batista S, Teter B, Sequeira K, Josyula S, Hoogs M, Ramanathan M, Benedict RHB, Weinstock-Guttman B. Cognitive impairment is associated with reduced bone mass in multiple sclerosis. Mult Scler 2012; 18:1459-65. [PMID: 22419674 DOI: 10.1177/1352458512440206] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND Multiple sclerosis (MS) has been associated with reduced bone mineral density (BMD), yet the underlying causes are not fully known. The recent discovery that bone homeostasis is directly regulated by the brain led us to hypothesize that it may be impaired by MS pathology. As cognitive impairment (CI) is a well-documented correlate of MS-related brain pathology, we tested the hypothesis that it is associated with reduced BMD. OBJECTIVE We aimed to determine if CI is associated with reduced BMD in patients with MS. METHODS We retrospectively studied the medical records of 56 patients with MS, ≤50 years old, with Expanded Disability Status Scale score ≤4.5 and with dual X-ray absorptiometry (DEXA) BMD measurement within 1 year of neuropsychological testing with a standard battery (MACFIMS). RESULTS In total, 23 (41.1%) MS patients had osteopenia or osteoporosis. Mean femur BMD was significantly lower in patients with MS with CI (0.89±0.12 g/cm(2)) compared with intact patients (0.99±0.17 g/cm(2), p=0.009). In the cognitively impaired group, 59.3% had either osteopenia or osteoporosis, compared with 24.1% in the non-cognitively impaired group (odds ratio=4.57, p=0.008). CONCLUSION CI is associated with reduced BMD in patients with MS, suggesting that central mechanisms involved in bone homeostasis may be directly impaired by MS-related inflammatory and neurodegenerative processes.
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Affiliation(s)
- Sonia Batista
- Department of Neurology, Hospitais da Universidade de Coimbra, Portugal. R00 HD060765
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Are selective serotonin reuptake inhibitors a secondary cause of low bone density? J Osteoporos 2012; 2012:323061. [PMID: 22496984 PMCID: PMC3306899 DOI: 10.1155/2012/323061] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2010] [Accepted: 12/18/2011] [Indexed: 12/31/2022] Open
Abstract
Background. Osteoporosis is a chronic disease that can significantly impact numerous aspects of health and wellness. The individual consequences of osteoporosis can be devastating, often resulting in substantial loss of independence and sometimes death. One of the few illnesses with greater disease burden than low bone mineral density (BMD) is major depressive disorder (MDD). Both depression and antidepressant use have been identified as secondary causes of osteoporosis. The objective of this paper is to review and summarize the current findings on the relationship between antidepressant use and BMD. Methods. Relevant sources were identified from the Pubmed and MEDLINE databases, citing articles from the first relevant publication to September 1st, 2010. Results. 2001 articles initially met the search criteria, and 35 studies were thoroughly reviewed for evidence of an association between SSRI use and BMD, and 8 clinical studies were detailed and summarized in this paper. Conclusions. Current findings suggest a link between mental illness and osteoporosis that is of clinical relevance. Additional longitudinal studies and further research on possible mechanisms surrounding the association between SSRI use on bone metabolism need to be conducted. Treatment algorithms need to recognize this association to ensure that vulnerable populations are screened.
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He JY, Jiang LS, Dai LY. The roles of the sympathetic nervous system in osteoporotic diseases: A review of experimental and clinical studies. Ageing Res Rev 2011; 10:253-63. [PMID: 21262391 DOI: 10.1016/j.arr.2011.01.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2010] [Revised: 01/10/2011] [Accepted: 01/11/2011] [Indexed: 02/04/2023]
Abstract
With the rapid aging of the world population, the issue of skeletal health is becoming more prominent and urgent. The bone remodeling mechanism has sparked great interest among bone research societies. At the same time, increasing clinical and experimental evidence has driven attention towards the pivotal role of the sympathetic nervous system (SNS) in bone remodeling. Bone remodeling is thought to be partially controlled by the hypothalamus, a process which is mediated by the adrenergic nerves and neurotransmitters. Currently, new knowledge about the role of the SNS in the development and pathophysiology of osteoporosis is being generated. The aim of this review is to summarize the evidence that proves the involvement of the SNS in bone metabolism and to outline some common osteoporotic diseases that occur under different circumstances. The adrenergic signaling pathway and its neurotransmitters are involved to various degrees of importance in the development of osteoporosis in postmenopause, as well as in spinal cord injury, depression, unloading and the complex regional pain syndrome. In addition, clinical and pharmacological studies have helped to increase the comprehension of the adrenergic signaling pathway. We try to individually examine the contributions of the SNS in osteoporotic diseases from a different perspective. It is our hope that a further understanding of the adrenergic signaling by the SNS will pave the way for conceptualizing optimal treatment regimens for osteoporosis in the near future.
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Affiliation(s)
- Ji-Ye He
- Department of Orthopedic Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, China
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Cocchi M, Tonello L, Gabrielli F, Pregnolato M. Depression, osteoporosis, serotonin and cell membrane viscosity between biology and philosophical anthropology. Ann Gen Psychiatry 2011; 10:9. [PMID: 21450092 PMCID: PMC3073960 DOI: 10.1186/1744-859x-10-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Accepted: 03/30/2011] [Indexed: 12/02/2022] Open
Abstract
Due to the relationship between biology and culture, we believe that depression, understood as a cultural and existential phenomenon, has clear markers in molecular biology. We begin from an existential analysis of depression constituting the human condition and then shift to analysis of biological data confirming, according to our judgment, its original (ontological) structure. In this way philosophy is involved at the anthropological level, in as much as it detects the underlying meanings of depression in the original biological-cultural horizon of human life. Considering the integration of knowledge it is the task of molecular biology to identify the aforementioned markers, to which the existential aspects of depression are linked to. In particular, recent works show the existence of a link between serotonin and osteoporosis as a result of a modified expression of the low-density lipoprotein receptor-related protein 5 gene. Moreover, it is believed that the hereditary or acquired involvement of tryptophan hydroxylase 2 (Tph2) or 5-hydroxytryptamine transporter (5-HTT) is responsible for the reduced concentration of serotonin in the central nervous system, causing depression and affective disorders. This work studies the depression-osteoporosis relationship, with the aim of focusing on depressive disorders that concern the quantitative dynamic of platelet membrane viscosity and interactome cytoskeleton modifications (in particular Tubulin and Gsα protein) as a possible condition of the involvement of the serotonin axis (gut, brain and platelet), not only in depression but also in connection with osteoporosis.
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Affiliation(s)
- Massimo Cocchi
- Institute 'Paolo Sotgiu' Quantitative and Evolutionary Psychiatry and Cardiology, L,U,De,S, University, Lugano, Switzerland, Via dei Faggi, 4, Quartiere La Sguancia CH - 6912 Lugano Pazzallo, Switzerland.
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