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Sun W, Ye B, Chen S, Zeng L, Lu H, Wan Y, Gao Q, Chen K, Qu Y, Wu B, Lv X, Guo X. Neuro-bone tissue engineering: emerging mechanisms, potential strategies, and current challenges. Bone Res 2023; 11:65. [PMID: 38123549 PMCID: PMC10733346 DOI: 10.1038/s41413-023-00302-8] [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: 07/11/2023] [Revised: 10/08/2023] [Accepted: 10/31/2023] [Indexed: 12/23/2023] Open
Abstract
The skeleton is a highly innervated organ in which nerve fibers interact with various skeletal cells. Peripheral nerve endings release neurogenic factors and sense skeletal signals, which mediate bone metabolism and skeletal pain. In recent years, bone tissue engineering has increasingly focused on the effects of the nervous system on bone regeneration. Simultaneous regeneration of bone and nerves through the use of materials or by the enhancement of endogenous neurogenic repair signals has been proven to promote functional bone regeneration. Additionally, emerging information on the mechanisms of skeletal interoception and the central nervous system regulation of bone homeostasis provide an opportunity for advancing biomaterials. However, comprehensive reviews of this topic are lacking. Therefore, this review provides an overview of the relationship between nerves and bone regeneration, focusing on tissue engineering applications. We discuss novel regulatory mechanisms and explore innovative approaches based on nerve-bone interactions for bone regeneration. Finally, the challenges and future prospects of this field are briefly discussed.
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Affiliation(s)
- Wenzhe Sun
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Bing Ye
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Siyue Chen
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Lian Zeng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Hongwei Lu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Yizhou Wan
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Qing Gao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Kaifang Chen
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Yanzhen Qu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Bin Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Xiao Lv
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China.
| | - Xiaodong Guo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China.
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Lauwers M, Courties A, Sellam J, Wen C. The cholinergic system in joint health and osteoarthritis: a narrative-review. Osteoarthritis Cartilage 2021; 29:643-653. [PMID: 33609692 DOI: 10.1016/j.joca.2021.02.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/14/2021] [Accepted: 02/02/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) poses a major health and economic burden worldwide due to an increasing number of patients and the unavailability of disease-modifying drugs. In this review, the latest understanding of the involvement of the cholinergic system in joint homeostasis and OA will be outlined. First of all, the current evidence on the presence of the cholinergic system in the normal and OA joint will be described. Cholinergic innervation as well as the non-neuronal cholinergic system are detected. In a variety of inflammatory diseases, the classic cholinergic anti-inflammatory pathway lately received a lot of attention as via this pathway cholinergic agonists can reduce inflammation. The role of this cholinergic anti-inflammatory pathway in the context of OA will be discussed. Activation of this pathway improved the progression of the disease. Secondly, chondrocyte hypertrophy plays a pivotal role in osteophyte formation and OA development; the impact of the cholinergic system on hypertrophic chondroblasts and endochondral ossification will be evaluated. Cholinergic stimulation increased chondrocyte proliferation, delayed chondrocyte differentiation and caused early mineralisation. Moreover, acetylcholinesterase and butyrylcholinesterase affect the endochondral ossification via an acetylcholine-independent pathway. Thirdly, subchondral bone is critical for cartilage homeostasis and metabolism; the cholinergic system in subchondral bone homeostasis and disorders will be explored. An increase in osteoblast proliferation and osteoclast apoptosis is observed. Lastly, current therapeutic strategies for OA are limited to symptom relief; here the impact of smoking on disease progression and the potential of acetylcholinesterase inhibitors as candidate disease-modifying drug for OA will be discussed.
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Affiliation(s)
- M Lauwers
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
| | - A Courties
- Department of Rheumatology, Assistance Publique - Hôpitaux de Paris (AP-HP), Inserm UMRS_938, Sorbonne Université, Saint-Antoine Hospital, Paris, France.
| | - J Sellam
- Department of Rheumatology, Assistance Publique - Hôpitaux de Paris (AP-HP), Inserm UMRS_938, Sorbonne Université, Saint-Antoine Hospital, Paris, France.
| | - C Wen
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
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Wan Q, Qin W, Ma Y, Shen M, Li J, Zhang Z, Chen J, Tay FR, Niu L, Jiao K. Crosstalk between Bone and Nerves within Bone. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003390. [PMID: 33854888 PMCID: PMC8025013 DOI: 10.1002/advs.202003390] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/29/2020] [Indexed: 05/11/2023]
Abstract
For the past two decades, the function of intrabony nerves on bone has been a subject of intense research, while the function of bone on intrabony nerves is still hidden in the corner. In the present review, the possible crosstalk between bone and intrabony peripheral nerves will be comprehensively analyzed. Peripheral nerves participate in bone development and repair via a host of signals generated through the secretion of neurotransmitters, neuropeptides, axon guidance factors and neurotrophins, with additional contribution from nerve-resident cells. In return, bone contributes to this microenvironmental rendezvous by housing the nerves within its internal milieu to provide mechanical support and a protective shelf. A large ensemble of chemical, mechanical, and electrical cues works in harmony with bone marrow stromal cells in the regulation of intrabony nerves. The crosstalk between bone and nerves is not limited to the physiological state, but also involved in various bone diseases including osteoporosis, osteoarthritis, heterotopic ossification, psychological stress-related bone abnormalities, and bone related tumors. This crosstalk may be harnessed in the design of tissue engineering scaffolds for repair of bone defects or be targeted for treatment of diseases related to bone and peripheral nerves.
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Affiliation(s)
- Qian‐Qian Wan
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Wen‐Pin Qin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Yu‐Xuan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Min‐Juan Shen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Jing Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Zi‐Bin Zhang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Ji‐Hua Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Franklin R. Tay
- College of Graduate StudiesAugusta UniversityAugustaGA30912USA
| | - Li‐Na Niu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Kai Jiao
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
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Luo X, Lauwers M, Layer PG, Wen C. Non-neuronal Role of Acetylcholinesterase in Bone Development and Degeneration. Front Cell Dev Biol 2021; 8:620543. [PMID: 33585459 PMCID: PMC7876280 DOI: 10.3389/fcell.2020.620543] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/28/2020] [Indexed: 12/14/2022] Open
Abstract
Acetylcholinesterase (AChE), an enzyme catalyzing the degradation of acetylcholine, plays an important suppressive role in the cholinergic regulation by terminating the action of acetylcholine. The expression of acetylcholinesterase and other cholinergic components is not restricted to only brain and nerve tissues but can also be found in non-neuronal tissues like the immune system and bone tissue. Primary identification of these components has been achieved. However, the information about their specific functions and underlying molecular mechanisms in bone remains scattered. Here, the physiological process of bone development, homeostasis, and degeneration are introduced. Next, the cholinergic system and its expression in bone tissue is documented. Among them, special attention goes to AChE, as the structure of this enzyme suggests diverse binding affinities, enabled by a peripheral site and a catalytic site. The peripheral site supports the non-enzymatic function of AChE in non-neuronal systems. Based on recent studies, the non-neuronal roles of acetylcholinesterase, both enzymatically and non-enzymatically, in bone development, homeostasis and degeneration are summarized briefly together with potential mechanisms to support these functions. We conclude that AChE may be a potential therapeutic target for bone diseases like osteoporosis.
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Affiliation(s)
- Xiaohe Luo
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Marianne Lauwers
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Paul G Layer
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Darmstadt, Germany
| | - Chunyi Wen
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
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5
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The multiple biological roles of the cholinesterases. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2020; 162:41-56. [PMID: 33307019 DOI: 10.1016/j.pbiomolbio.2020.12.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 12/14/2022]
Abstract
It is tacitly assumed that the biological role of acetylcholinesterase is termination of synaptic transmission at cholinergic synapses. However, together with its structural homolog, butyrylcholinesterase, it is widely distributed both within and outside the nervous system, and, in many cases, the role of both enzymes remains obscure. The transient appearance of the cholinesterases in embryonic tissues is especially enigmatic. The two enzymes' extra-synaptic roles, which are known as 'non-classical' roles, are the topic of this review. Strong evidence has been presented that AChE and BChE play morphogenetic roles in a variety of eukaryotic systems, and they do so either by acting as adhesion proteins, or as trophic factors. As trophic factors, one mode of action is to directly regulate morphogenesis, such as neurite outgrowth, by poorly understood mechanisms. The other mode is by regulating levels of acetylcholine, which acts as the direct trophic factor. Alternate substrates have been sought for the cholinesterases. Quite recently, it was shown that levels of the aggression hormone, ghrelin, which also controls appetite, are regulated by butyrylcholinesterase. The rapid hydrolysis of acetylcholine by acetylcholinesterase generates high local proton concentrations. The possible biophysical and biological consequences of this effect are discussed. The biological significance of the acetylcholinesterases secreted by parasitic nematodes is reviewed, and, finally, the involvement of acetylcholinesterase in apoptosis is considered.
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Wu Q, Xia Y, Dai K, Bai P, Kwan KKL, Guo MSS, Dong TTX, Tsim KWK. Solar light induces the release of acetylcholine from skin keratinocytes affecting melanogenesis. FASEB J 2020; 34:8941-8958. [PMID: 32519787 DOI: 10.1096/fj.202000708r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 12/26/2022]
Abstract
Cholinergic system conducts signal transmission in brain and muscle. Besides nervous system, the nonneuronal functions of cholinergic system have been proposed in various tissues. The expression of cholinergic proteins and release of acetylcholine in human skin have been reported, but its mechanism and influence on dermatological functions is not elucidated. Here, the expression profile of cholinergic markers was further investigated in skin and keratinocyte. The expression levels of choline acetyltransferase (ChAT), acetylcholinesterase (AChE), vesicular acetylcholine transporter (VAChT), and synaptophysin, were upregulated during differentiation of keratinocytes. In cultured keratinocytes, a transient exposure of solar light induced the release of acetylcholine, which was mediated by intracellular Ca2+ mobilization. The light-induced acetylcholine release was mediated by the present of opsin. The light-induced melanogenesis was inhibited by acetylcholine or AChE inhibitor in melanocyte in vitro and mouse skin ex vivo. These results indicated that the potential role of cholinergic system could be a negative regulator in skin pigmentation.
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Affiliation(s)
- Qiyun Wu
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China.,Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Yiteng Xia
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Kun Dai
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China.,Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Panzhu Bai
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China.,Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Kenneth K L Kwan
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Maggie S S Guo
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China
| | - Tina T X Dong
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China.,Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Karl W K Tsim
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Shenzhen Research Institute, Shenzhen, China.,Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China
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Spieker J, Frieß JL, Sperling L, Thangaraj G, Vogel-Höpker A, Layer PG. Cholinergic control of bone development and beyond. Int Immunopharmacol 2020; 83:106405. [PMID: 32208165 DOI: 10.1016/j.intimp.2020.106405] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/06/2020] [Accepted: 03/11/2020] [Indexed: 12/15/2022]
Abstract
There is ample evidence that cholinergic actions affect the health status of bones in vertebrates including man. Nicotine smoking, but also exposure to pesticides or medical drugs point to the significance of cholinergic effects on bone status, as reviewed here in Introduction. Then, we outline processes of endochondral ossification, and review respective cholinergic actions. In Results, we briefly summarize our in vivo and in vitro studies on bone development of chick and mouse [1,2], including (i) expressions of cholinergic components (AChE, BChE, ChAT) in chick embryo, (ii) characterisation of defects during skeletogenesis in prenatal ChE knockout mice, (iii) loss-of-function experiments with beads soaked in cholinergic components and implanted into chicken limb buds, and finally (iv) we use an in vitro mesenchymal 3D-micromass model that mimics cartilage and bone formation, which also had revealed complex crosstalks between cholinergic, radiation and inflammatory mechanisms [3]. In Discussion, we evaluate non-cholinergic actions of cholinesterases during bone formation by considering: (i) how cholinesterases could function in adhesive mechanisms; (ii) whether and how cholinesterases can form bone-regulatory complexes with alkaline phosphatase (ALP) and/or ECM components, which could regulate cell division, migration and adhesion. We conclude that cholinergic actions in bone development are driven mainly by classic cholinergic, but non-neural cycles (e.g., by acetylcholine); in addition, both cholinesterases can exert distinct ACh-independent roles. Considering their tremendous medical impact, these results bring forward novel research directions that deserve to be pursued.
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Affiliation(s)
- Janine Spieker
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany
| | - Johannes L Frieß
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany
| | - Laura Sperling
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany
| | - Gopenath Thangaraj
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany
| | - Astrid Vogel-Höpker
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany
| | - Paul G Layer
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, D-64287 Darmstadt, Germany.
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Dokos C, Tsakalidis C, Manaridou K, Koliakos G. Acetylcholinesterase activity and bone biochemical markers in premature and full-term neonates. J Pediatr Endocrinol Metab 2018; 31:1363-1366. [PMID: 30427781 DOI: 10.1515/jpem-2018-0426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 10/15/2018] [Indexed: 01/17/2023]
Abstract
Background Almost 30% of the premature infants have low body weight and bone mineral density due to prematurity. There is no consensus of screening premature neonates for metabolic bone disease; therefore, it is important to investigate the use of bone biochemical parameters. Latest studies involved the activity of acetylcholinesterase as a mediator in bone remodeling. It is hypothesized that there is a possible correlation of bone biochemical biomarkers and acetylcholinesterase (AChE) activity in premature infants. Methods We studied 50 neonates (26 preterm with gestational age <32 weeks, 24 full-term). Clinical data (sex, gestational week) and anthropometric parameters (body weight) were recorded. We directly measured the bone biochemical markers in serum such as alkaline phosphatase (ALP), calcium (Ca), phosphorus (P), magnesium (Mg) and parathyroid hormone (PTH). In addition, we measured the AChE activity. Results ALP and parathyroid hormone levels were higher, but Ca, P and AChE were lower in premature neonates group compared with full-term ones. There is a significant positive correlation of gestational age with body weight, Ca and AChE. A significant negative correlation was observed for ALP and PTH with gestational age. Conclusions We found a gestational age-related increase of AChE activity. There were significant relationships between AChE activity with P and PTH.
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Affiliation(s)
- Charalampos Dokos
- 2nd Neonatal Clinic, Papageorgiou University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece, Phone: +4917661465941
| | - Christos Tsakalidis
- 2nd Neonatal Clinic, Papageorgiou University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Kyriakoula Manaridou
- 2nd Neonatal Clinic, Papageorgiou University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Department of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - George Koliakos
- Department of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Nachlinger RJ, Kauschke V, Trinkaus K, Khassawna TE, Heiss C, Lips KS. Application of donepezil increased collagen 1 expression in mesenchymal stroma cells of an ovine osteoporosis model. JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS 2018; 18:354-365. [PMID: 30179213 PMCID: PMC6146185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Donepezil inhibits the acetylcholine degradation molecule acetylcholinesterase (AChE). Clinical studies reported that Alzheimer's disease (AD) patients with hip fractures had improved bone quality and better fracture healing if they were treated with AD medication donepezil. We asked whether mesenchymal stroma cells (MSC) from an osteoporosis sheep model treated with donepezil increased their proliferation rate and mRNA expression. METHODS Sheep were divided into 4 groups: a) untreated control group, b) sheep with bilateral ovariectomy (OVX), c) sheep with OVX and malnutrition, and d) sheep with OVX, malnutrition, and application of corticosteroid. After 8 months MSC were isolated of iliac crest biopsy, treated with donepezil, and AChE activity, proliferation rate, and mRNA expression were analyzed. RESULTS Application of donepezil resulted in a significant decrease of AChE activity. Inhibition of AChE did not lead to a significant increase in proliferation. Expression of the osteogenic marker osteocalcin was not regulated by donepezil while the mRNA concentration of collagen was increased. CONCLUSION AChE inhibition via donepezil resulted in an increased synthesis of osteoid which consists mainly of collagen. Thus, we suppose that increased acetylcholine levels through AChE inhibition do not support MSC proliferation but osteogenic activity probably combined with osteogenic differentiation.
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Affiliation(s)
| | - Vivien Kauschke
- Experimental Trauma Surgery, Justus-Liebig-University Giessen, Germany
| | - Katja Trinkaus
- Experimental Trauma Surgery, Justus-Liebig-University Giessen, Germany
| | | | - Christian Heiss
- Experimental Trauma Surgery, Justus-Liebig-University Giessen, Germany,Department of Trauma, Hand, and Reconstructive Surgery Giessen, University Hospital of Giessen-Marburg, Germany
| | - Katrin Susanne Lips
- Experimental Trauma Surgery, Justus-Liebig-University Giessen, Germany,Corresponding author: Katrin Susanne Lips, Experimental Trauma Surgery, Justus-Liebig-University Giessen, Aulweg 128, 35392 Giessen, Germany E-mail:
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Weist R, Flörkemeier T, Roger Y, Franke A, Schwanke K, Zweigerdt R, Martin U, Willbold E, Hoffmann A. Differential Expression of Cholinergic System Components in Human Induced Pluripotent Stem Cells, Bone Marrow-Derived Multipotent Stromal Cells, and Induced Pluripotent Stem Cell-Derived Multipotent Stromal Cells. Stem Cells Dev 2018; 27:166-183. [PMID: 29205106 DOI: 10.1089/scd.2017.0162] [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] [Indexed: 12/20/2022] Open
Abstract
The components of the cholinergic system are evolutionary very old and conserved molecules that are expressed in typical spatiotemporal patterns. They are involved in signaling in the nervous system, whereas their functions in nonneuronal tissues are hardly understood. Stem cells present an attractive cellular system to address functional issues. This study therefore compared human induced pluripotent stem cells (iPSCs; from cord blood endothelial cells), mesenchymal stromal cells derived from iPSCs (iPSC-MSCs), and bone marrow-derived MSCs (BM-MSCs) from up to 33 different human donors with respect to gene expressions of components of the cholinergic system. The status of cells was identified and characterized by the detection of cell surface antigens using flow cytometry. Acetylcholinesterase expression in iPSCs declined during their differentiation into MSCs and was comparably low in BM-MSCs. Butyrylcholinesterase was present in iPSCs, increased upon transition from the three-dimensional embryoid body phase into monolayer culture, and declined upon further differentiation into iPSC-MSCs. In BM-MSCs a notable butyrylcholinesterase expression could be detected in only four donors, but was elusive in other patient-derived samples. Different nicotinic acetylcholine receptor subunits were preferentially expressed in iPSCs and during early differentiation into iPSC-MSCs, low expression was detected in iPS-MSCs and in BM-MSCs. The m2 and m3 variants of muscarinic acetylcholine receptors were detected in all stem cell populations. In BM-MSCs, these gene expressions varied between donors. Together, these data reveal the differential expression of cholinergic signaling system components in stem cells from specific sources and suggest the utility of our approach to establish informative biomarkers.
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Affiliation(s)
- Ramona Weist
- 1 Department of Orthopaedic Surgery, Graded Implants and Regenerative Strategies, Hannover Medical School , Hannover, Germany .,2 Department of Trauma Surgery, Hannover Medical School , Hannover, Germany
| | - Thilo Flörkemeier
- 3 Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic Surgery, Hannover Medical School , Hannover, Germany
| | - Yvonne Roger
- 1 Department of Orthopaedic Surgery, Graded Implants and Regenerative Strategies, Hannover Medical School , Hannover, Germany .,4 Lower Saxony Centre for Biomedical Engineering , Implant Research and Development (NIFE), Hannover, Germany
| | - Annika Franke
- 5 Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation, and Vascular Surgery (HTTG), Hannover Medical School , Hannover, Germany .,6 REBIRTH-Cluster of Excellence, Hannover Medical School , Hannover, Germany
| | - Kristin Schwanke
- 5 Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation, and Vascular Surgery (HTTG), Hannover Medical School , Hannover, Germany .,6 REBIRTH-Cluster of Excellence, Hannover Medical School , Hannover, Germany
| | - Robert Zweigerdt
- 5 Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation, and Vascular Surgery (HTTG), Hannover Medical School , Hannover, Germany .,6 REBIRTH-Cluster of Excellence, Hannover Medical School , Hannover, Germany
| | - Ulrich Martin
- 5 Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation, and Vascular Surgery (HTTG), Hannover Medical School , Hannover, Germany .,6 REBIRTH-Cluster of Excellence, Hannover Medical School , Hannover, Germany
| | - Elmar Willbold
- 3 Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic Surgery, Hannover Medical School , Hannover, Germany .,4 Lower Saxony Centre for Biomedical Engineering , Implant Research and Development (NIFE), Hannover, Germany
| | - Andrea Hoffmann
- 1 Department of Orthopaedic Surgery, Graded Implants and Regenerative Strategies, Hannover Medical School , Hannover, Germany .,4 Lower Saxony Centre for Biomedical Engineering , Implant Research and Development (NIFE), Hannover, Germany
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Chinnadurai RK, Saravanaraman P, Boopathy R. The significance of aryl acylamidase activity of acetylcholinesterase in osteoblast differentiation and mineralization. Mol Cell Biochem 2017; 440:199-208. [PMID: 28852920 DOI: 10.1007/s11010-017-3167-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/16/2017] [Indexed: 01/17/2023]
Abstract
Osteoblast differentiation is an essential event in the developmental process, which is favoured by the production of extra cellular matrix proteins and various enzymes including discrete ones like acetylcholinesterase (AChE). Despite the fact that AChE facilitates osteoblast differentiation, the significance of its catalytic functions [esterase and aryl acylamidase (AAA) activities] in the process is yet to be ascertained. In this context, SaOS-2 cell line was used in the present study to implicate the catalytic activities of AChE in process of osteoblast differentiation and mineralization. During differentiation, it was found that the activity of both esterase and AAA increased 1.13 and 1.46 folds respectively, signifying the involvement of catalytic activities of AChE in the process. Inhibition of both the catalytic activities of AChE with edrophonium significantly reduced the amount of mineralization by decreasing the alkaline phosphatase (ALP) activity and expression of differentiation-related genes such as RUNX-2, COL1A, ALP, OC, and OP significantly (p < 0.05). Inhibition of esterase activity without altering the AAA activity using gallamine significantly increased the level ALP activity and expression of differentiation-associated genes (p < 0.05), thus favouring mineralization. Therefore, this study concludes and confirms that the AAA activity of AChE is actively involved in the process of osteoblast differentiation and mineralization.
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Affiliation(s)
- Raj Kumar Chinnadurai
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India. .,Centre for Animal Research, Training and Services (CAReTS), Central Inter-Disciplinary Research Facility (CIDRF), Mahatma Gandhi Medical College and Research Institute (MGMCRI) Campus, Puducherry, 607403, India.
| | - Ponne Saravanaraman
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India.,Department of Biotechnology, Pondicherry Central University, Puducherry, 605014, India
| | - Rathanam Boopathy
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
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12
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Pickett MA, Dush MK, Nascone-Yoder NM. Acetylcholinesterase plays a non-neuronal, non-esterase role in organogenesis. Development 2017; 144:2764-2770. [PMID: 28684626 DOI: 10.1242/dev.149831] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 06/19/2017] [Indexed: 01/10/2023]
Abstract
Acetylcholinesterase (AChE) is crucial for degrading acetylcholine at cholinergic synapses. In vitro studies suggest that, in addition to its role in nervous system signaling, AChE can also modulate non-neuronal cell properties, although it remains controversial whether AChE functions in this capacity in vivo Here, we show that AChE plays an essential non-classical role in vertebrate gut morphogenesis. Exposure of Xenopus embryos to AChE-inhibiting chemicals results in severe defects in intestinal development. Tissue-targeted loss-of-function assays (via microinjection of antisense morpholino or CRISPR-Cas9) confirm that AChE is specifically required in the gut endoderm tissue, a non-neuronal cell population, where it mediates adhesion to fibronectin and regulates cell rearrangement events that drive gut lengthening and digestive epithelial morphogenesis. Notably, the classical esterase activity of AChE is dispensable for this activity. As AChE is deeply conserved, widely expressed outside of the nervous system, and the target of many environmental chemicals, these results have wide-reaching implications for development and toxicology.
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Affiliation(s)
- Melissa A Pickett
- Department of Biology, Environmental and Molecular Toxicology Program, North Carolina State University, Raleigh, NC 27606, USA
| | - Michael K Dush
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - Nanette M Nascone-Yoder
- Department of Biology, Environmental and Molecular Toxicology Program, North Carolina State University, Raleigh, NC 27606, USA .,Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
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13
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Xu ML, Bi CWC, Liu EYL, Dong TTX, Tsim KWK. Wnt3a induces the expression of acetylcholinesterase during osteoblast differentiation via the Runx2 transcription factor. J Biol Chem 2017; 292:12667-12678. [PMID: 28607150 DOI: 10.1074/jbc.m117.777581] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 06/08/2017] [Indexed: 12/14/2022] Open
Abstract
Acetylcholinesterase (AChE) hydrolyzes acetylcholine to terminate cholinergic transmission in neurons. Apart from this AChE activity, emerging evidence suggests that AChE could also function in other, non-neuronal cells. For instance, in bone, AChE exists as a proline-rich membrane anchor (PRiMA)-linked globular form in osteoblasts, in which it is proposed to play a noncholinergic role in differentiation. However, this hypothesis is untested. Here, we found that in cultured rat osteoblasts, AChE expression was increased in parallel with osteoblastic differentiation. Because several lines of evidence indicate that AChE activity in osteoblast could be triggered by Wnt/β-catenin signaling, we added recombinant human Wnt3a to cultured osteoblasts and found that this addition induced expression of the ACHE gene and protein product. This Wnt3a-induced AChE expression was blocked by the Wnt-signaling inhibitor Dickkopf protein-1 (DKK-1). We hypothesized that the Runt-related transcription factor 2 (Runx2), a downstream transcription factor in Wnt/β-catenin signaling, is involved in AChE regulation in osteoblasts, confirmed by the identification of a Runx2-binding site in the ACHE gene promoter, further corroborated by ChIP. Of note, Runx2 overexpression in osteoblasts induced AChE expression and activity of the ACHE promoter tagged with the luciferase gene. Moreover, deletion of the Runx2-binding site in the ACHE promoter reduced its activity during osteoblastic differentiation, and addition of 5-azacytidine and trichostatin A to differentiating osteoblasts affected AChE expression, suggesting epigenetic regulation of the ACHE gene. We conclude that AChE plays a role in osteoblastic differentiation and is regulated by both Wnt3a and Runx2.
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Affiliation(s)
- Miranda L Xu
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Hi-Tech Park, Nanshan, Shenzhen 518000, Guangdong Province, China
| | - Cathy W C Bi
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Hi-Tech Park, Nanshan, Shenzhen 518000, Guangdong Province, China
| | - Etta Y L Liu
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Hi-Tech Park, Nanshan, Shenzhen 518000, Guangdong Province, China
| | - Tina T X Dong
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Hi-Tech Park, Nanshan, Shenzhen 518000, Guangdong Province, China
| | - Karl W K Tsim
- Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Hi-Tech Park, Nanshan, Shenzhen 518000, Guangdong Province, China.
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14
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Spieker J, Mudersbach T, Vogel-Höpker A, Layer PG. Endochondral Ossification Is Accelerated in Cholinesterase-Deficient Mice and in Avian Mesenchymal Micromass Cultures. PLoS One 2017; 12:e0170252. [PMID: 28118357 PMCID: PMC5261733 DOI: 10.1371/journal.pone.0170252] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 12/30/2016] [Indexed: 01/03/2023] Open
Abstract
Most components of the cholinergic system are detected in skeletogenic cell types in vitro, yet the function of this system in skeletogenesis remains unclear. Here, we analyzed endochondral ossification in mutant murine fetuses, in which genes of the rate-limiting cholinergic enzymes acetyl- (AChE), or butyrylcholinesterase (BChE), or both were deleted (called here A-B+, A+B-, A-B-, respectively). In all mutant embryos bone growth and cartilage remodeling into mineralizing bone were accelerated, as revealed by Alcian blue (A-blu) and Alizarin red (A-red) staining. In A+B- and A-B- onset of mineralization was observed before E13.5, about 2 days earlier than in wild type and A-B+ mice. In all mutants between E18.5 to birth A-blu staining disappeared from epiphyses prematurely. Instead, A-blu+ cells were dislocated into diaphyses, most pronounced so in A-B- mutants, indicating additive effects of both missing ChEs in A-B- mutant mice. The remodeling effects were supported by in situ hybridization (ISH) experiments performed on cryosections from A-B- mice, in which Ihh, Runx2, MMP-13, ALP, Col-II and Col-X were considerably decreased, or had disappeared between E18.5 and P0. With a second approach, we applied an improved in vitro micromass model from chicken limb buds that allowed histological distinction between areas of cartilage, apoptosis and mineralization. When treated with the AChE inhibitor BW284c51, or with nicotine, there was decrease in cartilage and accelerated mineralization, suggesting that these effects were mediated through nicotinic receptors (α7-nAChR). We conclude that due to absence of either one or both cholinesterases in KO mice, or inhibition of AChE in chicken micromass cultures, there is increase in cholinergic signalling, which leads to increased chondroblast production and premature mineralization, at the expense of incomplete chondrogenic differentiation. This emphasizes the importance of cholinergic signalling in cartilage and bone formation.
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MESH Headings
- Acetylcholinesterase/deficiency
- Acetylcholinesterase/physiology
- Animals
- Apnea/physiopathology
- Benzenaminium, 4,4'-(3-oxo-1,5-pentanediyl)bis(N,N-dimethyl-N-2-propenyl-), Dibromide/pharmacology
- Benzenaminium, 4,4'-(3-oxo-1,5-pentanediyl)bis(N,N-dimethyl-N-2-propenyl-), Dibromide/toxicity
- Bone and Bones/embryology
- Bone and Bones/enzymology
- Bone and Bones/pathology
- Butyrylcholinesterase/deficiency
- Butyrylcholinesterase/physiology
- Cartilage/embryology
- Cartilage/enzymology
- Cartilage/pathology
- Chick Embryo
- Cholinesterase Inhibitors/pharmacology
- Cholinesterase Inhibitors/toxicity
- Chondrogenesis/drug effects
- GPI-Linked Proteins/deficiency
- GPI-Linked Proteins/physiology
- Mesoderm/physiology
- Metabolism, Inborn Errors/physiopathology
- Mice
- Mice, Knockout
- Nicotine/pharmacology
- Nicotine/toxicity
- Organ Culture Techniques
- Osteogenesis/physiology
- alpha7 Nicotinic Acetylcholine Receptor/drug effects
- alpha7 Nicotinic Acetylcholine Receptor/physiology
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Affiliation(s)
- Janine Spieker
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, Darmstadt, Germany
| | - Thomas Mudersbach
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, Darmstadt, Germany
| | - Astrid Vogel-Höpker
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, Darmstadt, Germany
| | - Paul G. Layer
- Developmental Biology and Neurogenetics, Technische Universität Darmstadt, Schnittspahnstrasse 13, Darmstadt, Germany
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