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Abo-Elenin MHH, Kamel R, Nofal S, Ahmed AAE. The crucial role of beta-catenin in the osteoprotective effect of semaglutide in an ovariectomized rat model of osteoporosis. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03378-z. [PMID: 39254876 DOI: 10.1007/s00210-024-03378-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Accepted: 08/12/2024] [Indexed: 09/11/2024]
Abstract
Postmenopausal osteoporosis is a common chronic medical illness resulting from an imbalance between bone resorption and bone formation along with microarchitecture degeneration attributed to estrogen deficiency and often accompanied by other medical conditions such as weight gain, depression, and insomnia. Semaglutide (SEM) is a recently introduced GLP-1 receptor agonist (GLP-1RA) for the treatment of obesity and type 2 diabetes mellitus by mitigating insulin resistance. It has been discovered that the beneficial effects of GLP-1 are associated with alterations in lipolysis, adipogenesis, and anti-inflammatory processes. GLP-1 analogs transmit signals directly to adipose tissue. Mesenchymal stem cells (MSCs) are multidisciplinary cells that originate from bone marrow, migrate to injury sites, and promote bone regeneration. MSCs can differentiate into osteoblasts, adipose cells, and cartilage cells. Our aim is to investigate the role of semaglutide on bone formation and the Wnt signaling pathway. Osteoporosis was induced in female rats by ovariectomy, and the ovariectomized rats were treated with alendronate as standard treatment with a dose of 3 mg/kg orally and semaglutide with two doses (150 mcg/kg and 300 mcg/kg) S.C. for 10 successive weeks. Semaglutide ameliorates bone detrimental changes induced by ovariectomy. It improves bone microarchitecture and preserves bone mineral content. Semaglutide ameliorates ovariectomy-induced osteoporosis and increases the expression of β-catenin, leading to increased bone formation and halted receptor activator of nuclear factor kappa-Β ligand (RANKL's) activation. Semaglutide can be used as a potential prophylactic and therapeutic drug against osteoporosis, possibly by activating Wnt signaling and decreasing bone resorption.
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Affiliation(s)
| | - Rehab Kamel
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo City, Egypt
| | - Shahira Nofal
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo City, Egypt
| | - Amany Ali Eissa Ahmed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo City, Egypt
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2
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Siewe N, Friedman A. Osteoporosis induced by cellular senescence: A mathematical model. PLoS One 2024; 19:e0303978. [PMID: 38805428 PMCID: PMC11132490 DOI: 10.1371/journal.pone.0303978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Accepted: 05/03/2024] [Indexed: 05/30/2024] Open
Abstract
Osteoporosis is a disease characterized by loss of bone mass, where bones become fragile and more likely to fracture. Bone density begins to decrease at age 50, and a state of osteoporosis is defined by loss of more than 25%. Cellular senescence is a permanent arrest of normal cell cycle, while maintaining cell viability. The number of senescent cells increase with age. Since osteoporosis is an aging disease, it is natural to consider the question to what extend senescent cells induce bone density loss and osteoporosis. In this paper we use a mathematical model to address this question. We determine the percent of bone loss for men and women during age 50 to 100 years, and the results depend on the rate η of net formation of senescent cell, with η = 1 being the average rate. In the case η = 1, the model simulations are in agreement with empirical data. We also consider senolytic drugs, like fisetin and quercetin, that selectively eliminate senescent cells, and assess their efficacy in terms of reducing bone loss. For example, at η = 1, with estrogen hormonal therapy and early treatment with fisetin, bone density loss for women by age 75 is 23.4% (below osteoporosis), while with no treatment with fisetin it is 25.8% (osteoporosis); without even a treatment with estrogen hormonal therapy, bone loss of 25.3% occurs already at age 65.
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Affiliation(s)
- Nourridine Siewe
- School of Mathematics and Statistics, College of Science, Rochester Institute of Technology, Rochester, New York, United States of America
| | - Avner Friedman
- Department of Mathematics, The Ohio State University, Columbus, Ohio, United States of America
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3
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Ali M, Kim YS. A comprehensive review and advanced biomolecule-based therapies for osteoporosis. J Adv Res 2024:S2090-1232(24)00215-7. [PMID: 38810908 DOI: 10.1016/j.jare.2024.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND The prevalence of osteoporosis (OP) on a global scale is significantly elevated that causes life threatening issues. The potential of groundbreaking biomolecular therapeutics in the field of OP is highly encouraging. The administration of biomolecular agents has the potential to mitigate the process of bone demineralization while concurrently augmenting the regenerative capacity of bone tissue, thereby facilitating a personalized therapeutic approach. Biomolecules-based therapies showed promising results in term of bone mass protection and restoration in OP. AIM OF REVIEW We summarized the recent biomolecular therapies with notable progress in clinical, demonstrating the potential to transform illness management. These treatments frequently utilize different biomolecule based strategies. Biomolecular therapeutics has a targeted character, which results in heightened specificity and less off-target effects, ultimately leading to increased patient outcomes. These aspects have the capacity to greatly enhance the management of OP, thus resulting in a major enhancement in the quality of life encountered by individuals affected by this condition.
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Affiliation(s)
- Maqsood Ali
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea
| | - Yong-Sik Kim
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea; Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea.
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4
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Lung H, Wentworth KL, Moody T, Zamarioli A, Ram A, Ganesh G, Kang M, Ho S, Hsiao EC. Wnt pathway inhibition with the porcupine inhibitor LGK974 decreases trabecular bone but not fibrosis in a murine model with fibrotic bone. JBMR Plus 2024; 8:ziae011. [PMID: 38577521 PMCID: PMC10994528 DOI: 10.1093/jbmrpl/ziae011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 04/06/2024] Open
Abstract
G protein-coupled receptors (GPCRs) mediate a wide spectrum of physiological functions, including the development, remodeling, and repair of the skeleton. Fibrous dysplasia (FD) of the bone is characterized by fibrotic, expansile bone lesions caused by activating mutations in GNAS. There are no effective therapies for FD. We previously showed that ColI(2.3)+/Rs1+ mice, in which Gs-GPCR signaling was hyper-activated in osteoblastic cell lineages using an engineered receptor strategy, developed a fibrotic bone phenotype with trabecularization that could be reversed by normalizing Gs-GPCR signaling, suggesting that targeting the Gs-GPCR or components of the downstream signaling pathway could serve as a promising therapeutic strategy for FD. The Wnt signaling pathway has been implicated in the pathogenesis of FD-like bone, but the specific Wnts and which cells produce them remain largely unknown. Single-cell RNA sequencing on long-bone stromal cells of 9-wk-old male ColI(2.3)+/Rs1+ mice and littermate controls showed that fibroblastic stromal cells in ColI(2.3)+/Rs1+ mice were expanded. Multiple Wnt ligands were up- or downregulated in different cellular populations, including in non-osteoblastic cells. Treatment with the porcupine inhibitor LGK974, which blocks Wnt signaling broadly, induced partial resorption of the trabecular bone in the femurs of ColI(2.3)+/Rs1+ mice, but no significant changes in the craniofacial skeleton. Bone fibrosis remained evident after treatment. Notably, LGK974 caused significant bone loss in control mice. These results provide new insights into the role of Wnt and Gs-signaling in fibrosis and bone formation in a mouse model of Gs-GPCR pathway overactivation.
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Affiliation(s)
- Hsuan Lung
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
- Oral and Craniofacial Sciences Graduate Program, School of Dentistry, University of California, San Francisco, CA 94143, United States
- Department of Dentistry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- School of Dentistry, Institute of Oral Medicine, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Kelly L Wentworth
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
- Department of Medicine, Division of Endocrinology and Metabolism, University of California, Zuckerberg San Francisco General Hospital, San Francisco, CA 94143, United States
| | - Tania Moody
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
| | - Ariane Zamarioli
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
- Department of Orthopaedics and Anesthesiology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo (SP) 14049-900, Brazil
| | - Apsara Ram
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
| | - Gauri Ganesh
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
| | - Misun Kang
- Oral and Craniofacial Sciences Graduate Program, School of Dentistry, University of California, San Francisco, CA 94143, United States
| | - Sunita Ho
- Oral and Craniofacial Sciences Graduate Program, School of Dentistry, University of California, San Francisco, CA 94143, United States
| | - Edward C Hsiao
- Department of Medicine, Division of Endocrinology and Metabolism, The Institute for Human Genetics, and the Eli and Edythe Broad Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, United States
- Oral and Craniofacial Sciences Graduate Program, School of Dentistry, University of California, San Francisco, CA 94143, United States
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Mengjia W, Jun J, Xin Z, Jiahao Z, Jie G. GPX4-mediated bone ferroptosis under mechanical stress decreased bone formation via the YAP-TEAD signalling pathway. J Cell Mol Med 2024; 28:e18231. [PMID: 38494855 PMCID: PMC10945084 DOI: 10.1111/jcmm.18231] [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: 07/19/2023] [Revised: 12/27/2023] [Accepted: 01/05/2024] [Indexed: 03/19/2024] Open
Abstract
Fracture of the alveolar bone resorption is a common complication in orthodontic treatment, which mainly caused by extreme mechanical loading. However, the ferroptosis with orthodontic tooth movement(OTM) relationship has not been thoroughly described. We here analysed whether ferroptosis is involved in OTM-associated alveolar bone loss. Mouse osteoblasts (MC-3T3) and knockdown glutathione peroxidase 4 (GPX4) MC-3T3 were stimulated with compressive force loading and ferrostatin-1 (Fer-1, a ferroptosis inhibitor), and the changes in lipid peroxidation morphology, expression of ferroptosis-related factors and osteogenesis levels were detected. After establishing the rat experimental OTM model, the changes in ferroptosis-related factors and osteogenesis levels were reevaluated in the same manner. Ferroptosis was involved in mechanical stress regulating osteoblast remodelling, and Fer-1 and erastin affected osteoblasts under compression force loading. Fer-1 regulated ferroptosis and autophagy in MC-3T3 and promoted bone proliferation. GPX4-dependent ferroptosis stimulated the YAP (homologous oncoproteins Yes-associated protein) pathway, and GPX4 promoted ferroptosis via the YAP-TEAD (transcriptional enhanced associate domain) signal pathway under mechanical compression force. The in vivo experiment results were consistent with the in vitro experiment results. Ferroptosis transpires during the motion of orthodontic teeth, with compression force side occurring earlier than stretch side within 4 h. GPX4 plays an important role in alveolar bone loss, while Fer-1 can inhibit the compression force-side alveolar bone loss. GPX4's Hippo-YAP pathway is activated by the lack of compression force in the lateral alveolar bone.
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Affiliation(s)
- Wang Mengjia
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandongChina
| | - Ji Jun
- Department of OrthodonticsNanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing UniversityNanjingChina
| | - Zhang Xin
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandongChina
| | - Zhang Jiahao
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandongChina
| | - Guo Jie
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandongChina
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Khoswanto C, Dewi IK. The role of Wnt signaling on Tooth Extraction Wound Healing: Narrative review. Saudi Dent J 2024; 36:516-520. [PMID: 38690381 PMCID: PMC11056418 DOI: 10.1016/j.sdentj.2024.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 05/02/2024] Open
Abstract
Compared to an incisional skin or mucosal wound, a tooth extraction wound results in far more soft tissue loss. A blood clot instantly fills the gap left by the extracted tooth. An embryonic type of bone forms during the healing of extraction wounds, and mature bone only later replaces it. Osteocytes in embryonic bone, also known as coarse fibrillar bone or immature bone, differ from those in adult bone in terms of number, size, and irregular arrangement. This immature bone is more radiolucent than mature bone due to the higher cell density and the smaller volume of calcified intercellular material. The Wnt gene family contains genes that encode secreted signaling proteins that have good promise for promoting bone regeneration. However, we still have a limited understanding the interplay of the molecular elements of the Wnt pathway in signal transduction, from ligand detection on the cell surface to transcription of target genes in the nucleus. We discuss the function of Wnt signaling molecules in this review, in tissue repair following tooth extraction and present recent results about these molecules. Conclusions: Wnt signaling activity helps to hasten bone regeneration while bone healing is slowed down by mutations in LRP5/6 or β-catenin.
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Affiliation(s)
- Christian Khoswanto
- Department of Oral Biology Faculty of Dentistry, Airlangga University Surabaya, Indonesia
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7
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Knill C, Henderson EJ, Johnson C, Wah VY, Cheng K, Forster AJ, Itasaki N. Defects of the spliceosomal gene SNRPB affect osteo- and chondro-differentiation. FEBS J 2024; 291:272-291. [PMID: 37584444 DOI: 10.1111/febs.16934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 07/25/2023] [Accepted: 08/14/2023] [Indexed: 08/17/2023]
Abstract
Although gene splicing occurs throughout the body, the phenotype of spliceosomal defects is largely limited to specific tissues. Cerebro-costo-mandibular syndrome (CCMS) is one such spliceosomal disease, which presents as congenital skeletal dysmorphism and is caused by mutations of SNRPB gene encoding Small Nuclear Ribonucleoprotein Polypeptides B/B' (SmB/B'). This study employed in vitro cell cultures to monitor osteo- and chondro-differentiation and examined the role of SmB/B' in the differentiation process. We found that low levels of SmB/B' by knockdown or mutations of SNRPB led to suppressed osteodifferentiation in Saos-2 osteoprogenitor-like cells, which was accompanied by affected splicing of Dlx5. On the other hand, low SmB/B' led to promoted chondrogenesis in HEPM mesenchymal stem cells. Consistent with other reports, osteogenesis was promoted by the Wnt/β-catenin pathway activator and suppressed by Wnt and BMP blockers, whereas chondrogenesis was promoted by Wnt inhibitors. Suppressed osteogenic markers by SNRPB knockdown were partly rescued by Wnt/β-catenin pathway activation. Reporter analysis revealed that suppression of SNRPB results in attenuated Wnt pathway and/or enhanced BMP pathway activities. SNRPB knockdown altered splicing of TCF7L2 which impacts Wnt/β-catenin pathway activities. This work helps unravel the mechanism underlying CCMS whereby reduced expression of spliceosomal proteins causes skeletal phenotypes.
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Affiliation(s)
- Chris Knill
- Faculty of Life Sciences, University of Bristol, UK
| | | | - Craig Johnson
- Faculty of Health Sciences, University of Bristol, UK
| | - Vun Yee Wah
- Faculty of Life Sciences, University of Bristol, UK
| | - Kevin Cheng
- Faculty of Life Sciences, University of Bristol, UK
| | | | - Nobue Itasaki
- Faculty of Health Sciences, University of Bristol, UK
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8
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Babu LK, Shaw S, Ghosh D. Bone mineral metabolism and different indices of skeletal health of Ladakhi women living at high altitude. Osteoporos Sarcopenia 2023; 9:131-136. [PMID: 38374823 PMCID: PMC10874723 DOI: 10.1016/j.afos.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/26/2023] [Accepted: 11/16/2023] [Indexed: 02/21/2024] Open
Abstract
Objectives High altitude possesses a great challenge for human survival owing to low oxygen tension and has been reported to cause bone deterioration among sojourns of high altitude. The bone health of Ladakhi women is investigated for the first time in this study. Methods Dual energy X-ray absorptiometry of Ladakhi women and sea level women was done at the radius and calcaneus using EXA-3000 (Osteosys, Korea), followed by colorimetric and Enzyme Linked Immunosorbent Assay analysis of parameters regulating bone health. Results There was no statistically significant difference between bone mineral density of Ladakhi women and sea level women at radius (P = 0.287) or calcaneus (P = 0.839). Almost similar cases of osteopenia were reported at both sites measured in the study among both groups. Two post-menopausal Ladakhi women however, had osteoporosis at the radius while 4 had osteoporosis at calcaneus. Significant increase in calcium levels with a decrease in intact parathyroid hormone and an increase in calcitonin levels were observed in Ladakhi women as compared to sea level women. Though there was no significant difference in 25-hydroxy vitamin D levels of both groups, a higher percentage of 25-hydroxy vitamin D deficiency (77% vs 23%) was observed in Ladakhi women as compared to sea level women. Estradiol levels were similar in both groups. Conclusions The present study suggest that there is no significant relationship between high altitude living and bone mineral density among Ladakhi women.
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Affiliation(s)
- Lijy K. Babu
- Applied Physiology Lab, Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Snigdha Shaw
- Applied Physiology Lab, Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Dishari Ghosh
- Applied Physiology Lab, Defence Institute of Physiology and Allied Sciences, Delhi, India
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9
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Yue Q, Chen Y, Chen H, Zhou R. Transcriptome profile reveals novel candidate genes associated with bone strength in end-of-lay hens. Anim Biotechnol 2023; 34:3099-3107. [PMID: 36309812 DOI: 10.1080/10495398.2022.2134884] [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] [Indexed: 11/01/2022]
Abstract
Bone weakness causes many problems such as osteoporosis, bone fractures, and economic loss, especially at the late stage of lay, in laying hen production. However, the genetic factors and molecular mechanism affecting the bone strength is still largely unknown. To elucidate the molecular mechanism and genetic factors affecting bone strength, a total of six cDNA libraries were constructed and used to compare genetic differences between tibia with higher(Group HBS)and lower(Group LBS)breaking strength in Hyline grey layers. A comparison between Groups HBS and LBS revealed nine differentially expressed genes, of which five were upregulated and four were downregulated in the LBS relative to the HBS in tibia. Our results showed novel candidate genes concerned with bone strength in the late laying period. These include transcription factor paired box protein Pax-5 (Pax5), tissue inhibitor of Metallopoteinase-4 (TIMP4), Kelch-like protein 14 (KLHL14), predicted MAGUK p55 subfamily member 7 isoform X4 (MPP7) and Osteoclast-associated Ig-like receptor (OSCAR). Our data provide a vital resource for discovering important candidate genes associated with bone strength and will help further study the molecular mechanisms for bone remodeling.
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Affiliation(s)
- Qiaoxian Yue
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Ye Chen
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Hui Chen
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Rongyan Zhou
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
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10
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Steinerova M, Horecky C, Knoll A, Nedomova S, Slama P, Pavlik A. Study of genes polymorphisms in RANK/RANKL/OPG and WNT signaling pathways and their associations with bone parameters in broiler chicken. Heliyon 2023; 9:e22371. [PMID: 38053912 PMCID: PMC10694325 DOI: 10.1016/j.heliyon.2023.e22371] [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: 10/17/2022] [Revised: 09/22/2023] [Accepted: 11/10/2023] [Indexed: 12/07/2023] Open
Abstract
Limb problems are one of the most common problems with fast-growing meat-type chickens. Various bone abnormalities, which can lead to limping, bone weakness, or even fractures, bring overall discomfort to birds and a loss of production. Genetic aspects are often associated with these side effects on bone stability and are also cited as the dominant cause. These points to a close negative relationship of genetic selection for rapid growth with traits involved in bone integrity. Due to the assumption of an additive genetic background, improvements through genetic tools can be used. Our study is focused on selected genes of important signaling pathways for bone metabolism. We tried to detect polymorphisms that would show associations with selected bone parameters in a total of 48 broilers. Those were fast-growing Ross 308 hybrids and slow-growing Hubbard M22BxJA87A hybrids. The TNFRSF11A and WISP1 genes were tested. A total of fourteen polymorphisms were found, three of them were synonymous and five in the intron. In the case of four polymorphisms found in exons of the TNFRSF11A gene (c.11G > T, c.31G > A, c.37C > G, c.514G > A), associations with the observed bone parameters (bone strength, bone dimensions and bone mass) were demonstrated. The genetic architecture of bone traits is not fully understood, therefore the present study and the knowledge gained can help to increase the potential in poultry breeding processes and thus reduce the death of individuals.
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Affiliation(s)
- Michala Steinerova
- Department of Animal Morphology, Physiology and Genetics, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
| | - Cenek Horecky
- Department of Animal Morphology, Physiology and Genetics, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
| | - Ales Knoll
- Department of Animal Morphology, Physiology and Genetics, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
| | - Sarka Nedomova
- Department of Food Technology, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
| | - Petr Slama
- Department of Animal Morphology, Physiology and Genetics, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
| | - Ales Pavlik
- Department of Animal Morphology, Physiology and Genetics, Mendel University in Brno, Faculty of AgriSciences, Zemedelska 1/1665, 613 00, Brno, Czech Republic
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11
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Wells KV, Krackeler ML, Jathal MK, Parikh M, Ghosh PM, Leach JK, Genetos DC. Prostate cancer and bone: clinical presentation and molecular mechanisms. Endocr Relat Cancer 2023; 30:e220360. [PMID: 37226936 PMCID: PMC10696925 DOI: 10.1530/erc-22-0360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 05/24/2023] [Indexed: 05/26/2023]
Abstract
Prostate cancer (PCa) is an increasingly prevalent health problem in the developed world. Effective treatment options exist for localized PCa, but metastatic PCa has fewer treatment options and shorter patient survival. PCa and bone health are strongly entwined, as PCa commonly metastasizes to the skeleton. Since androgen receptor signaling drives PCa growth, androgen-deprivation therapy whose sequelae reduce bone strength constitutes the foundation of advanced PCa treatment. The homeostatic process of bone remodeling - produced by concerted actions of bone-building osteoblasts, bone-resorbing osteoclasts, and regulatory osteocytes - may also be subverted by PCa to promote metastatic growth. Mechanisms driving skeletal development and homeostasis, such as regional hypoxia or matrix-embedded growth factors, may be subjugated by bone metastatic PCa. In this way, the biology that sustains bone is integrated into adaptive mechanisms for the growth and survival of PCa in bone. Skeletally metastatic PCa is difficult to investigate due to the entwined nature of bone biology and cancer biology. Herein, we survey PCa from origin, presentation, and clinical treatment to bone composition and structure and molecular mediators of PCa metastasis to bone. Our intent is to quickly yet effectively reduce barriers to team science across multiple disciplines that focuses on PCa and metastatic bone disease. We also introduce concepts of tissue engineering as a novel perspective to model, capture, and study complex cancer-microenvironment interactions.
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Affiliation(s)
- Kristina V Wells
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, California, USA
| | - Margaret L Krackeler
- Department of Internal Medicine, University of California Davis School of Medicine, Sacramento, California, USA
| | - Maitreyee K Jathal
- Department of Medical Microbiology and Immunology, University of California Davis, Davis, California, USA
- Veterans Affairs-Northern California Health System, Mather, California, USA
| | - Mamta Parikh
- Division of Hematology and Oncology, School of Medicine, University of California Davis, Sacramento, California, USA
| | - Paramita M Ghosh
- Veterans Affairs-Northern California Health System, Mather, California, USA
- Department of Urologic Surgery, School of Medicine, University of California Davis, Sacramento, California, USA
| | - J Kent Leach
- Department of Orthopaedic Surgery, School of Medicine, University of California Davis, Sacramento, California, USA
- Department of Biomedical Engineering, University of California Davis, Davis, California, USA
| | - Damian C Genetos
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, California, USA
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12
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Jones CL, Penney BT, Theodossiou SK. Engineering Cell-ECM-Material Interactions for Musculoskeletal Regeneration. Bioengineering (Basel) 2023; 10:bioengineering10040453. [PMID: 37106640 PMCID: PMC10135874 DOI: 10.3390/bioengineering10040453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
The extracellular microenvironment regulates many of the mechanical and biochemical cues that direct musculoskeletal development and are involved in musculoskeletal disease. The extracellular matrix (ECM) is a main component of this microenvironment. Tissue engineered approaches towards regenerating muscle, cartilage, tendon, and bone target the ECM because it supplies critical signals for regenerating musculoskeletal tissues. Engineered ECM-material scaffolds that mimic key mechanical and biochemical components of the ECM are of particular interest in musculoskeletal tissue engineering. Such materials are biocompatible, can be fabricated to have desirable mechanical and biochemical properties, and can be further chemically or genetically modified to support cell differentiation or halt degenerative disease progression. In this review, we survey how engineered approaches using natural and ECM-derived materials and scaffold systems can harness the unique characteristics of the ECM to support musculoskeletal tissue regeneration, with a focus on skeletal muscle, cartilage, tendon, and bone. We summarize the strengths of current approaches and look towards a future of materials and culture systems with engineered and highly tailored cell-ECM-material interactions to drive musculoskeletal tissue restoration. The works highlighted in this review strongly support the continued exploration of ECM and other engineered materials as tools to control cell fate and make large-scale musculoskeletal regeneration a reality.
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Affiliation(s)
- Calvin L Jones
- Department of Mechanical and Biomedical Engineering, Boise State University, 1910 University Dr MS2085, Boise, ID 83725, USA
| | - Brian T Penney
- Department of Mechanical and Biomedical Engineering, Boise State University, 1910 University Dr MS2085, Boise, ID 83725, USA
| | - Sophia K Theodossiou
- Department of Mechanical and Biomedical Engineering, Boise State University, 1910 University Dr MS2085, Boise, ID 83725, USA
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13
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Paesa M, Alejo T, Garcia-Alvarez F, Arruebo M, Mendoza G. New insights in osteoarthritis diagnosis and treatment: Nano-strategies for an improved disease management. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1844. [PMID: 35965293 DOI: 10.1002/wnan.1844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 06/02/2022] [Accepted: 07/12/2022] [Indexed: 11/07/2022]
Abstract
Osteoarthritis (OA) is a common chronic joint pathology that has become a predominant cause of disability worldwide. Even though the origin and evolution of OA rely on different factors that are not yet elucidated nor understood, the development of novel strategies to treat OA has emerged in the last years. Cartilage degradation is the main hallmark of the pathology though alterations in bone and synovial inflammation, among other comorbidities, are also involved during OA progression. From a molecular point of view, a vast amount of signaling pathways are implicated in the progression of the disease, opening up a wide plethora of targets to attenuate or even halt OA. The main purpose of this review is to shed light on the recent strategies published based on nanotechnology for the early diagnosis of the disease as well as the most promising nano-enabling therapeutic approaches validated in preclinical models. To address the clinical issue, the key pathways involved in OA initiation and progression are described as the main potential targets for OA prevention and early treatment. Furthermore, an overview of current therapeutic strategies is depicted. Finally, to solve the drawbacks of current treatments, nanobiomedicine has shown demonstrated benefits when using drug delivery systems compared with the administration of the equivalent doses of the free drugs and the potential of disease-modifying OA drugs when using nanosystems. We anticipate that the development of smart and specific bioresponsive and biocompatible nanosystems will provide a solid and promising basis for effective OA early diagnosis and treatment. This article is categorized under: Diagnostic Tools > In Vivo Nanodiagnostics and Imaging Implantable Materials and Surgical Technologies > Nanotechnology in Tissue Repair and Replacement.
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Affiliation(s)
- Monica Paesa
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Aragón Materials Science Institute, ICMA, Zaragoza, Spain
| | - Teresa Alejo
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Aragón Materials Science Institute, ICMA, Zaragoza, Spain
- Health Research Institute Aragon (IIS Aragon), Zaragoza, Spain
| | - Felicito Garcia-Alvarez
- Health Research Institute Aragon (IIS Aragon), Zaragoza, Spain
- Hospital Clínico Universitario Lozano Blesa, Department of Orthopedic Surgery & Traumatology, University of Zaragoza, Zaragoza, Spain
| | - Manuel Arruebo
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Aragón Materials Science Institute, ICMA, Zaragoza, Spain
- Health Research Institute Aragon (IIS Aragon), Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain
| | - Gracia Mendoza
- Health Research Institute Aragon (IIS Aragon), Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain
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14
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Epigenetic Alterations in Sports-Related Injuries. Genes (Basel) 2022; 13:genes13081471. [PMID: 36011382 PMCID: PMC9408207 DOI: 10.3390/genes13081471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
It is a well-known fact that physical activity benefits people of all age groups. However, highly intensive training, maladaptation, improper equipment, and lack of sufficient rest lead to contusions and sports-related injuries. From the perspectives of sports professionals and those performing regular–amateur sports activities, it is important to maintain proper levels of training, without encountering frequent injuries. The bodily responses to physical stress and intensive physical activity are detected on many levels. Epigenetic modifications, including DNA methylation, histone protein methylation, acetylation, and miRNA expression occur in response to environmental changes and play fundamental roles in the regulation of cellular activities. In the current review, we summarise the available knowledge on epigenetic alterations present in tissues and organs (e.g., muscles, the brain, tendons, and bones) as a consequence of sports-related injuries. Epigenetic mechanism observations have the potential to become useful tools in sports medicine, as predictors of approaching pathophysiological alterations and injury biomarkers that have already taken place.
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15
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Kimura A, Toda Y, Matsumoto Y, Yamamoto H, Yahiro K, Shimada E, Kanahori M, Oyama R, Fukushima S, Nakagawa M, Setsu N, Endo M, Fujiwara T, Matsunobu T, Oda Y, Nakashima Y. Nuclear β-catenin translocation plays a key role in osteoblast differentiation of giant cell tumor of bone. Sci Rep 2022; 12:13438. [PMID: 35927428 PMCID: PMC9352730 DOI: 10.1038/s41598-022-17728-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 07/29/2022] [Indexed: 12/02/2022] Open
Abstract
Denosumab is a game-changing drug for giant cell tumor of bone (GCTB); however, its clinical biomarker regarding tumor ossification of GCTB has not been elucidated. In this study, we investigated the relationship between Wnt/β-catenin signaling and the ossification of GCTB and evaluated whether endogenous nuclear β-catenin expression predicted denosumab-induced bone formation in GCTB. Genuine patient-derived primary GCTB tumor stromal cells exhibited osteoblastic characteristics. Identified osteoblastic markers and nuclear β-catenin translocation were significantly upregulated via differentiation induction and were inhibited by treating with Wnt signaling inhibitor, GGTI-286, or selective Rac1-LEF inhibitor, NSC23766. Furthermore, we reviewed the endogenous ossification and nuclear β-catenin translocation of 86 GCTB clinical samples and elucidated that intra-tumoral ossification was significantly associated with the nuclear translocation. Three-dimensional quantitative analyses (n = 13) of tumoral CT images have revealed that the nuclear β-catenin translocation of naïve GCTB samples was significantly involved with the denosumab-induced tumor ossification. Our findings suggest a close relationship between the nuclear β-catenin translocation and the osteoblastic differentiation of GCTB. Investigations of the nuclear β-catenin in naïve GCTB samples may provide a promising biomarker for predicting the ossification of GCTB following denosumab treatment.
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Affiliation(s)
- Atsushi Kimura
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Yu Toda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Matsumoto
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan.
| | - Hidetaka Yamamoto
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kenichiro Yahiro
- Department of Orthopedic Surgery, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - Eijiro Shimada
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Masaya Kanahori
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Ryunosuke Oyama
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Suguru Fukushima
- Department of Musculoskeletal Oncology and Rehabilitation, National Cancer Center, Tokyo, Japan
| | - Makoto Nakagawa
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Nokitaka Setsu
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Makoto Endo
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Toshifumi Fujiwara
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
| | - Tomoya Matsunobu
- Department of Orthopaedic Surgery, Kyushu Rosai Hospital, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yasuharu Nakashima
- Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, 812-8582, Japan
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16
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Hallett SA, Ono W, Franceschi RT, Ono N. Cranial Base Synchondrosis: Chondrocytes at the Hub. Int J Mol Sci 2022; 23:7817. [PMID: 35887171 PMCID: PMC9317907 DOI: 10.3390/ijms23147817] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/10/2022] [Accepted: 07/13/2022] [Indexed: 01/04/2023] Open
Abstract
The cranial base is formed by endochondral ossification and functions as a driver of anteroposterior cranial elongation and overall craniofacial growth. The cranial base contains the synchondroses that are composed of opposite-facing layers of resting, proliferating and hypertrophic chondrocytes with unique developmental origins, both in the neural crest and mesoderm. In humans, premature ossification of the synchondroses causes midfacial hypoplasia, which commonly presents in patients with syndromic craniosynostoses and skeletal Class III malocclusion. Major signaling pathways and transcription factors that regulate the long bone growth plate-PTHrP-Ihh, FGF, Wnt, BMP signaling and Runx2-are also involved in the cranial base synchondrosis. Here, we provide an updated overview of the cranial base synchondrosis and the cell population within, as well as its molecular regulation, and further discuss future research opportunities to understand the unique function of this craniofacial skeletal structure.
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Affiliation(s)
- Shawn A. Hallett
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (S.A.H.); (R.T.F.)
| | - Wanida Ono
- Department of Orthodontics, University of Texas Health Science Center at Houston School of Dentistry, Houston, TX 77054, USA;
| | - Renny T. Franceschi
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (S.A.H.); (R.T.F.)
| | - Noriaki Ono
- Department of Diagnostic and Biomedical Sciences, University of Texas Health Science Center at Houston School of Dentistry, Houston, TX 77054, USA
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17
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Jing Z, Liang Z, Yang L, Du W, Yu T, Tang H, Li C, Wei W. Bone formation and bone repair: The roles and crosstalk of osteoinductive signaling pathways. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.04.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Lee S, Shin YA, Cho J, Park DH, Kim C. Moderate-Intensity Exercise Preserves Bone Mineral Density and Improves Femoral Trabecular Bone Microarchitecture in Middle-Aged Mice. J Bone Metab 2022; 29:103-111. [PMID: 35718927 PMCID: PMC9208899 DOI: 10.11005/jbm.2022.29.2.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/07/2022] [Indexed: 11/25/2022] Open
Abstract
Background Aging leads to significant bone loss and elevated osteoporosis risk. Exercise slows age-related bone loss; however, the effects of various moderate-intensity exercise training volumes on bone metabolism remain unclear. This study aimed to determine the degree to which different volumes of moderate-intensity aerobic exercise training influence bone mineral density (BMD), bone mineral content (BMC), femoral trabecular bone microarchitecture, and cortical bone in middle-aged mice. Methods Twenty middle-aged male C57BL/6 mice were randomly assigned 8 weeks of either (1) non-exercise (CON); (2) moderate-intensity with high-volume exercise (EX_MHV); or (3) moderate-intensity with low-volume exercise (EX_MLV) (N=6–7, respectively). Femoral BMD and BMC were evaluated using dual energy X-ray absorptiometry, and trabecular and cortical bone were measured using micro-computed tomography. Results Femoral BMD in EX_MHV but not EX_MLV was significantly higher (P<0.05) than in CON. The distal femoral fractional trabecular bone volume/tissue volume (BV/TV, %) was significantly higher (P<0.05) in both EX_MHV and EX_MLV than in CON mice. Increased BV/TV was induced by significantly increased trabecular thickness (mm) and tended to be higher (P<0.10) in BV (mm3) and lower in trabecular separation (mm) in EX_MHV and EX_MLV than in CON. The femoral mid-diaphysis cortical bone was stronger in EX_MLV than EX_MHV. Conclusions Long-term moderate-intensity aerobic exercise with low to high volumes can be thought to have a positive effect on hindlimb BMD and attenuate age-associated trabecular bone loss in the femur. Moderate-intensity aerobic exercise may be an effective and applicable exercise regimen to prevent age-related loss of BMD and BV.
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Affiliation(s)
- Seungyong Lee
- Department of Physiology, College of Graduate Studies, Midwestern University Arizona College of Osteopathic Medicine, Glendale, AZ, USA
| | - Yun-A Shin
- Department of Prescription and Rehabilitation of Exercise, College of Sport Science, Dankook University, Cheonan, Korea
| | - Jinkyung Cho
- Department of Sport Science, Korea Institute of Sport Science, Seoul, Korea
| | - Dong-Ho Park
- Department of Kinesiology, Inha University, Incheon, Korea
- Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, Incheon, Korea
| | - Changsun Kim
- Department of Physical Education, Dongduk Women’s University, Seoul, Korea
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19
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Modern genetic and immunological aspects of the pathogenesis of impaired consolidation of fractures (literature review). ACTA BIOMEDICA SCIENTIFICA 2022. [DOI: 10.29413/abs.2022-7.2.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The aim of this article is to analyze the genetic and immunological mechanisms of the development of fracture consolidation disorders at the present scientific stage.Materials and methods. The search for literary sources was carried out in the open electronic databases of scientific literature PubMed and eLIBRARY. Search depth – 10 years.Results. The review analyzes the literature data on the current state of the study of the molecular genetic mechanisms of reparative regeneration including the development of fracture consolidation disorders. The mechanisms of the most important links of pathogenesis which most often lead to various violations of the processes of bone tissue repair are considered.Conclusion. The process of bone tissue repair is multifaceted, and many factors are involved in its implementation, however, we would like to note that the leading role in the course of reparative regeneration is played by a personalized genetically programmed response to this pathological condition. Nevertheless, despite the undeniable progress of modern medicine in studying the processes of bone recovery after a fracture, there are still many “white” spots in this issue, which dictates the need for further comprehensive study in order to effectively treat patients with impaired consolidation.
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20
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Huang J, Zhou Y, Xiao W, Deng P, Wei Q, Lu W. Serum β-catenin changes vary among different stages of osteonecrosis of the femoral head: an exploratory biomarker study. BMC Musculoskelet Disord 2022; 23:434. [PMID: 35538460 PMCID: PMC9088107 DOI: 10.1186/s12891-022-05399-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 05/05/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Wnt/β-catenin signaling pathway is closely related to the pathogenesis Osteonecrosis of the femoral head (ONFH). β-catenin, as a major component of Wnt signaling pathway, plays a vital role in the proliferation of osteoblasts. But the effect of altering β-catenin level on the early diagnosis and staging of ONFH has not been studied. Our purpose is to investigate the role of β-catenin level in the progress of ONFH. METHOD One hundred and one patients with three stages of ONFH and fifty healthy controls were recruited between May 2016 and November 2016. We divided the patients into 32 cases of stage II, 41 cases of stage III and 28 cases of stage IV according to the Association Research Circulation Osseous (ARCO) classification. We evaluated the clinical bone histomorphology, expression position and level of β-catenin as well as the plasma β-catenin level. We investigated the level of β-catenin from the serum and tissue samples using ELISA and Western Blot assay. We also evaluated the expression of β-catenin in bone tissue by immunohistochemistry. Data were analyzed by independent t-test and ANOVA. RESULTS We found that the mean (± SD) serum level of β-catenin was 66.99 ± 3.032 ng/ml in the ONFH patients, which was higher than 20.14 ± 1.715 ng/ml observed in the control group (P < 0.001). Moreover, the β-catenin levels were 49.30 ± 4.649 ng/ml, 72.54 ± 4.864 ng/ml and 79.10 ± 4.773 ng/ml in the ONFH patients with ARCO stage II, stage III and stage IV respectively, showing significant difference among them (P < 0.001). We also found that the area under the curve (AUC) calculated by ROC curve analysis to determine the values for β-catenin levels in ONFH compared with those in the control group was 0.9358 (P < 0.001), where the sensitivity was 77.23% and specificity was 98.00%. CONCLUSION Our results indicate that the increased β-catenin may play a vital role in the progress of ONFH and the level of β-catenin is correlated with ARCO stages. The cut-off concentration may be used as one of the sensitive marks to assess the disease process of ONFH.
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Affiliation(s)
- Junyuan Huang
- First Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 16, Airport Road, Baiyun District, Guangzhou City, 510405, China
| | - Yingchun Zhou
- First Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 16, Airport Road, Baiyun District, Guangzhou City, 510405, China
| | - Wei Xiao
- Department of Pathogen Biology, Shenzhen University School of Medicine, Shenzhen, China
| | - Peng Deng
- First Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 16, Airport Road, Baiyun District, Guangzhou City, 510405, China
| | - Qiushi Wei
- Guangdong Research Institute for Orthopedics and Traumatology of Chinese Medicine, No. 16, Airport Road, Baiyun District, Guangzhou City, 510405, China. .,Joint Center, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Weiguo Lu
- First Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 16, Airport Road, Baiyun District, Guangzhou City, 510405, China.
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21
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Lee S, Shin YA, Cho J, Park DH, Kim C. Trabecular Bone Microarchitecture Improvement Is Associated With Skeletal Nerve Increase Following Aerobic Exercise Training in Middle-Aged Mice. Front Physiol 2022; 12:800301. [PMID: 35273515 PMCID: PMC8902445 DOI: 10.3389/fphys.2021.800301] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/21/2021] [Indexed: 01/27/2023] Open
Abstract
Advancing age is associated with bone loss and an increased risk of osteoporosis. Exercise training improves bone metabolism and peripheral nerve regeneration, and may play a critical role in osteogenesis and increase in skeletal nerve fiber density. In this study, the potential positive role of aerobic exercise training in bone metabolism and skeletal nerve regeneration was comprehensively evaluated in 14-month-old male C57BL/6 mice. The mice were divided into two groups: no exercise (non-exercise group) and 8-weeks of aerobic exercise training (exercise group), with six mice in each group. Dual-energy X-ray absorptiometry and micro-computed tomography showed that femoral and tibial bone parameters improved after aerobic exercise training. Greater skeletal nerve fiber density was also observed in the distal femoral and proximal tibial periostea, measured and analyzed by immunofluorescence staining and confocal microscopy. Pearson correlation analysis revealed a significant association between skeletal nerve densities and trabecular bone volume/total volume ratios (distal femur; R 2 = 0.82, p < 0.05, proximal tibia; R 2 = 0.59, p = 0.07) in the exercise group; while in the non-exercise group no significant correlation was found (distal femur; R 2 = 0.10, p = 0.54, proximal tibia; R 2 = 0.12, p = 0.51). Analysis of archival microarray database confirmed that aerobic exercise training changed the microRNA profiles in the mice femora. The differentially expressed microRNAs reinforce the role of aerobic exercise training in the osteogenic and neurogenic potential of femora and tibiae. In conclusion, 8-weeks of aerobic exercise training positively regulate bone metabolism, an effect that paralleled a significant increase in skeletal nerve fiber density. These findings suggest that aerobic exercise training may have dual utility, both as a direct stimulator of bone remodeling and a positive regulator of skeletal nerve regeneration.
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Affiliation(s)
- Seungyong Lee
- Department of Physiology, College of Graduate Studies, Midwestern University, Glendale, AZ, United States
| | - Yun-A Shin
- Department of Exercise Prescription and Rehabilitation, College of Sports Science, Dankook University, Cheonan, South Korea
| | - Jinkyung Cho
- Department of Sport Science, Korea Institute of Sport Science, Seoul, South Korea
| | - Dong-Ho Park
- Department of Kinesiology, Inha University, Incheon, South Korea.,Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, Incheon, South Korea
| | - Changsun Kim
- Department of Physical Education, Dongduk Women's University, Seoul, South Korea
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22
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Liang D, Song G, Zhang Z. miR‑216a‑3p inhibits osteogenic differentiation of human adipose‑derived stem cells via Wnt3a in the Wnt/β‑catenin signaling pathway. Exp Ther Med 2022; 23:309. [PMID: 35340869 DOI: 10.3892/etm.2022.11238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 01/12/2022] [Indexed: 11/05/2022] Open
Affiliation(s)
- Daning Liang
- Department of Medical Beauty, Shenzhen Hospital (Guangming), University of Chinese Academy of Sciences, Shenzhen, Guangdong 518107, P.R. China
| | - Guodong Song
- Department of Craniomaxillofacial Surgery, Plastic Surgery Hospital of Chinese Academy of Medical Sciences, Beijing 100144, P.R. China
| | - Zhenning Zhang
- Department of Medical Beauty, Shenzhen Hospital (Guangming), University of Chinese Academy of Sciences, Shenzhen, Guangdong 518107, P.R. China
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23
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Xie R, Yi D, Zeng D, Jie Q, Kang Q, Zhang Z, Zhang Z, Xiao G, Chen L, Tong L, Chen D. Specific deletion of Axin1 leads to activation of β-catenin/BMP signaling resulting in fibular hemimelia phenotype in mice. eLife 2022; 11:80013. [PMID: 36541713 PMCID: PMC9815809 DOI: 10.7554/elife.80013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Axin1 is a key regulator of canonical Wnt signaling pathway. Roles of Axin1 in skeletal development and in disease occurrence have not been fully defined. Here, we report that Axin1 is essential for lower limb development. Specific deletion of Axin1 in limb mesenchymal cells leads to fibular hemimelia (FH)-like phenotype, associated with tarsal coalition. Further studies demonstrate that FH disease is associated with additional defects in Axin1 knockout (KO) mice, including decreased osteoclast formation and defects in angiogenesis. We then provide in vivo evidence showing that Axin1 controls limb development through both canonical β-catenin and BMP signaling pathways. We demonstrate that inhibition of β-catenin or BMP signaling could significantly reverse the FH phenotype in mice. Together, our findings reveal that integration of β-catenin and BMP signaling by Axin1 is required for lower limb development. Defect in Axin1 signaling could lead to the development of FH disease.
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Affiliation(s)
- Rong Xie
- Department of Orthopedic Surgery, Rush University Medical CenterChicagoUnited States
| | - Dan Yi
- Research Center for Computer-aided Drug Discovery, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina,Faculty of Pharmaceutical Sciences, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina
| | - Daofu Zeng
- Research Center for Computer-aided Drug Discovery, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina
| | - Qiang Jie
- Department of Orthopedic Surgery, Honghui Hospital, Xi’an JiaoTong University, College of MedicineXi'anChina
| | - Qinglin Kang
- Department of Orthopedic Surgery, Shanghai Jiaotong University Affiliated Sixth People’s HospitalShanghaiChina
| | - Zeng Zhang
- Department of Orthopedic Surgery, Shanghai Jiaotong University Affiliated Sixth People’s HospitalShanghaiChina
| | - Zhenlin Zhang
- Department of Osteoporosis and Bone Diseases, Shanghai Jiaotong University Affiliated Sixth People’s HospitalShanghaiChina
| | - Guozhi Xiao
- School of Medicine, Southern University of Science and TechnologyShenzhenChina
| | - Lin Chen
- Department of Wound Repair and Rehabilitation, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical UniversityChongqingChina
| | - Liping Tong
- Research Center for Computer-aided Drug Discovery, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina
| | - Di Chen
- Research Center for Computer-aided Drug Discovery, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina,Faculty of Pharmaceutical Sciences, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesShenzhenChina
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Kouraki A, Doherty M, Fernandes GS, Zhang W, Walsh DA, Kelly A, Valdes AM. Different genes may be involved in distal and local sensitisation: a genome-wide gene-based association study and meta-analysis. Eur J Pain 2021; 26:740-753. [PMID: 34958702 PMCID: PMC9303629 DOI: 10.1002/ejp.1902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/11/2021] [Accepted: 12/25/2021] [Indexed: 11/22/2022]
Abstract
Background Neuropathic pain symptoms and signs of increased pain sensitization in osteoarthritis (OA) patients may explain persistent pain after total joint replacement (TJR). Therefore, identifying genetic markers associated with pain sensitization and neuropathic‐like pain phenotypes could be clinically important in identifying targets for early intervention. Methods We performed a genome‐wide gene‐based association study (GWGAS) using pressure pain detection thresholds (PPTs) from distal pain‐free sites (anterior tibia), a measure of distal sensitization, and from proximal pain‐affected sites (lateral joint line), a measure of local sensitization, in 320 knee OA participants from the Knee Pain and related health in the Community (KPIC) cohort. We next performed gene‐based fixed‐effects meta‐analysis of PPTs and a neuropathic‐like pain phenotype using genome‐wide association study (GWAS) data from KPIC and from an independent cohort of 613 post‐TJR participants, respectively. Results The most significant genes associated with distal and local sensitization were OR5B3 and BRDT, respectively. We also found previously identified neuropathic pain‐associated genes—KCNA1, MTOR, ADORA1 and SCN3B—associated with PPT at the anterior tibia and an inflammatory pain gene—PTAFR—associated with PPT at the lateral joint line. Meta‐analysis results of anterior tibia and neuropathic‐like pain phenotypes revealed genes associated with bone morphogenesis, neuro‐inflammation, obesity, type 2 diabetes, cardiovascular disease and cognitive function. Conclusions Overall, our results suggest that different biological processes might be involved in distal and local sensitization, and common genetic mechanisms might be implicated in distal sensitization and neuropathic‐like pain. Future studies are needed to replicate these findings. Significance To the best of our knowledge, this is the first GWAS for pain sensitization and the first gene‐based meta‐analysis of pain sensitization and neuropathic‐like pain. Higher pain sensitization and neuropathic pain symptoms are associated with persistent pain after surgery hence, identifying genetic biomarkers and molecular pathways associated with these traits is clinically relevant.
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Affiliation(s)
- A Kouraki
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
| | - M Doherty
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,Pain Centre Versus Arthritis, University of Nottingham, Nottingham, NG5 1PB, United Kingdom.,Versus Arthritis Centre for Sports, Exercise and Osteoarthritis, University of Nottingham, Nottingham, NG7 2UH, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
| | - G S Fernandes
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS1 6EH, United Kingdom
| | - W Zhang
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,Pain Centre Versus Arthritis, University of Nottingham, Nottingham, NG5 1PB, United Kingdom.,Versus Arthritis Centre for Sports, Exercise and Osteoarthritis, University of Nottingham, Nottingham, NG7 2UH, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
| | - D A Walsh
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,Pain Centre Versus Arthritis, University of Nottingham, Nottingham, NG5 1PB, United Kingdom.,Versus Arthritis Centre for Sports, Exercise and Osteoarthritis, University of Nottingham, Nottingham, NG7 2UH, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
| | - A Kelly
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
| | - A M Valdes
- Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, United Kingdom.,Pain Centre Versus Arthritis, University of Nottingham, Nottingham, NG5 1PB, United Kingdom.,NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, NG5 1PB, United Kingdom
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25
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Yamaguchi H, Kitami M, Uchima Koecklin KH, He L, Wang J, Lagor WR, Perrien DS, Komatsu Y. Temporospatial regulation of intraflagellar transport is required for the endochondral ossification in mice. Dev Biol 2021; 482:91-100. [PMID: 34929174 DOI: 10.1016/j.ydbio.2021.12.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 08/24/2021] [Accepted: 12/10/2021] [Indexed: 01/28/2023]
Abstract
Ciliogenic components, such as the family of intraflagellar transport (IFT) proteins, are recognized to play key roles in endochondral ossification, a critical process to form most bones. However, the unique functions and roles of each IFT during endochondral ossification remain unclear. Here, we show that IFT20 is required for endochondral ossification in mice. Utilizing osteo-chondrocyte lineage-specific Cre mice (Prx1-Cre and Col2-Cre), we deleted Ift20 to examine its function. Although chondrocyte-specific Ift20 deletion with Col2-Cre mice did not cause any overt skeletal defects, mesoderm-specific Ift20 deletion using Prx1-Cre (Ift20:Prx1-Cre) mice resulted in shortened limb outgrowth. Primary cilia were absent on chondrocytes of Ift20:Prx1-Cre mice, and ciliary-mediated Hedgehog signaling was attenuated in Ift20:Prx1-Cre mice. Interestingly, loss of Ift20 also increased Fgf18 expression in the perichondrium that sustained Sox9 expression, thus preventing endochondral ossification. Inhibition of enhanced phospho-ERK1/2 activation partially rescued defective chondrogenesis in Ift20 mutant cells, supporting an important role for FGF signaling. Our findings demonstrate that IFT20 is a critical regulator of temporospatial FGF signaling that is required for endochondral ossification.
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Affiliation(s)
- Hiroyuki Yamaguchi
- Department of Pediatrics, McGovern Medical School, UTHealth, Houston, TX, 77030, USA
| | - Megumi Kitami
- Department of Pediatrics, McGovern Medical School, UTHealth, Houston, TX, 77030, USA
| | | | - Li He
- Department of Pediatrics, McGovern Medical School, UTHealth, Houston, TX, 77030, USA
| | - Jianbo Wang
- Department of Pediatrics, McGovern Medical School, UTHealth, Houston, TX, 77030, USA
| | - William R Lagor
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Daniel S Perrien
- Division of Endocrinology, Metabolism, and Lipids, Department of Medicine, Emory University, Atlanta, GA, 30232, USA
| | - Yoshihiro Komatsu
- Department of Pediatrics, McGovern Medical School, UTHealth, Houston, TX, 77030, USA; Graduate Program in Genetics & Epigenetics, The University of Texas MD Anderson Cancer Center, UTHealth, Graduate School of Biomedical Sciences, Houston, TX, 77030, USA.
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26
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Ginsberg C, Hoofnagle AN, Katz R, Hughes-Austin J, Miller LM, Becker JO, Kritchevsky SB, Shlipak MG, Sarnak MJ, Ix JH. The Vitamin D Metabolite Ratio Is Associated With Changes in Bone Density and Fracture Risk in Older Adults. J Bone Miner Res 2021; 36:2343-2350. [PMID: 34423858 PMCID: PMC8688212 DOI: 10.1002/jbmr.4426] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 08/03/2021] [Accepted: 08/11/2021] [Indexed: 12/15/2022]
Abstract
Recent studies have suggested that 25-hydroxyvitamin D (25(OH)D) may be a poor biomarker of bone health, in part because measured levels incorporate both protein-bound and free vitamin D. The ratio of its catabolic product (24,25-dihydroxyvitamin D [24,25(OH)2 D]) to 25(OH)D (the vitamin D metabolite ratio [VMR]) may provide more information on sufficient vitamin D stores and is not influenced by vitamin D-binding protein concentrations. We evaluated whether the VMR or 25(OH)D are more strongly associated with bone loss and fracture risk in older adults. We performed a retrospective cohort study of 786 community-dwelling adults aged 70 to 79 years who participated in the Health Aging and Body Composition study. Our primary outcomes were annual changes in bone density and incident fracture. The mean age of these participants was 75 ± 3 years, 49% were female, 42% were Black, and 23% had an estimated glomerular filtration rate (eGFR) <60 mL/mL/1.73m2 . In fully adjusted models, a 50% lower VMR was associated with 0.3% (0.2%, 0.6%) more rapid decline in total hip bone mineral density (BMD). We found similar relationships with thoracic and lumbar spine BMD. In contrast, 25(OH)D3 concentrations were not associated with longitudinal change in BMD. There were 178 fractures during a mean follow-up of 10 years. Each 50% lower VMR was associated with a 49% (95% confidence interval [CI] 1.06, 2.08) greater fracture risk, whereas lower 25(OH)D3 concentrations were not significantly associated with fracture risk (hazard ratio [HR] per 50% lower 1.07 [0.80, 1.43]). In conclusion, among a diverse cohort of community-dwelling older adults, a lower VMR was more strongly associated with both loss of BMD and fracture risk compared with 25(OH)D3 . Trials are needed to evaluate the VMR as a therapeutic target in persons at risk for worsening BMD and fracture. © 2021 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Charles Ginsberg
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA and Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA
| | - Andrew N Hoofnagle
- Departments of Laboratory Medicine and Medicine and the Kidney Research Institute, University of Washington, Seattle, WA
| | - Ronit Katz
- Department of Obstetrics & Gynecology, University of Washington, Seattle, WA
| | - Jan Hughes-Austin
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA and Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA
| | - Lindsay M. Miller
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA and Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA
| | - Jessica O. Becker
- Departments of Laboratory Medicine and Medicine and the Kidney Research Institute, University of Washington, Seattle, WA
| | - Stephen B. Kritchevsky
- Department of Internal Medicine, Section of Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC
| | - Michael G. Shlipak
- Kidney Health Research Collaborative, Veterans Affairs Medical Center, San Francisco, CA and University of California, San Francisco, CA
| | - Mark J. Sarnak
- Department of Medicine, Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
| | - Joachim H. Ix
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA and Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA
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27
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Karim K, Giribabu N, Salleh N. Marantodes pumilum (blume) Kuntze (Kacip Fatimah) leaves aqueous extract prevents downregulation of Wnt/β-catenin pathway and upregulation of apoptosis in osteoblasts of estrogen-deficient, diabetes-induced rats. JOURNAL OF ETHNOPHARMACOLOGY 2021; 280:114236. [PMID: 34044074 DOI: 10.1016/j.jep.2021.114236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/02/2021] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Marantodes pumilum (Blume) Kuntze has been claimed to be beneficial in protecting the bone against loss in post-menopausal women. In view of increased incidence of diabetes mellitus (DM) in post-menopausal period, M. pumilum ability to overcome the detrimental effect of estrogen-deficiency and DM on the bones were identified. AIM OF THE STUDY To identify the mechanisms underlying protective effect of MPLA on the bone in estrogen-deficient, diabetic condition. METHODS Adult female, estrogen-deficient, diabetic rats (225 ± 10 g) were divided into untreated group and treated with M. pumilum leaf aqueous extract (MPLA) (50 mg/kg/day and 100 mg/kg/day) and estrogen for 28 days (n = 6 per group). Fasting blood glucose (FBG) levels were weekly monitored and at the end of treatment, rats were sacrificed and femur bones were harvested. Bone collagen distribution was observed by Masson's trichome staining. Levels of bone osteoblastogenesis, apoptosis and proliferative markers were evaluated by Realtime PCR, Western blotting, immunofluorescence and immunohistochemistry. RESULTS MPLA treatment was able to ameliorate the increased in FBG levels in estrogen deficient, diabetic rats. In these rats, decreased bone collagen content, expression level of osteoblastogenesis markers (Wnt3a, β-catenin, Frizzled, Dvl and LRP-5) and proliferative markers (PCNA and c-Myc) and increased expression of anti-osteoblastogenesis marker (Gsk-3β) and apoptosis markers (Caspase-3, Caspase-9 and Bax) but not Bcl-2 were ameliorated. Effects of 100 mg/kg/day MPLA were greater than estrogen. CONCLUSION MPLA was able to protect against bone loss, thus making it a promising agent for the treatment of osteoporosis in women with estrogen deficient, diabetic condition.
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Affiliation(s)
- Kamarulzaman Karim
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Nelli Giribabu
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Naguib Salleh
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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28
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Jeong W, Jho EH. Regulation of the Low-Density Lipoprotein Receptor-Related Protein LRP6 and Its Association With Disease: Wnt/β-Catenin Signaling and Beyond. Front Cell Dev Biol 2021; 9:714330. [PMID: 34589484 PMCID: PMC8473786 DOI: 10.3389/fcell.2021.714330] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/25/2021] [Indexed: 11/13/2022] Open
Abstract
Wnt signaling plays crucial roles in development and tissue homeostasis, and its dysregulation leads to various diseases, notably cancer. Wnt/β-catenin signaling is initiated when the glycoprotein Wnt binds to and forms a ternary complex with the Frizzled and low-density lipoprotein receptor-related protein 5/6 (LRP5/6). Despite being identified as a Wnt co-receptor over 20 years ago, the molecular mechanisms governing how LRP6 senses Wnt and transduces downstream signaling cascades are still being deciphered. Due to its role as one of the main Wnt signaling components, the dysregulation or mutation of LRP6 is implicated in several diseases such as cancer, neurodegeneration, metabolic syndrome and skeletal disease. Herein, we will review how LRP6 is activated by Wnt stimulation and explore the various regulatory mechanisms involved. The participation of LRP6 in other signaling pathways will also be discussed. Finally, the relationship between LRP6 dysregulation and disease will be examined in detail.
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Affiliation(s)
- Wonyoung Jeong
- Department of Life Science, University of Seoul, Seoul, South Korea
| | - Eek-Hoon Jho
- Department of Life Science, University of Seoul, Seoul, South Korea
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29
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Marini F, Giusti F, Iantomasi T, Brandi ML. Congenital Metabolic Bone Disorders as a Cause of Bone Fragility. Int J Mol Sci 2021; 22:10281. [PMID: 34638624 PMCID: PMC8509040 DOI: 10.3390/ijms221910281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
Bone fragility is a pathological condition caused by altered homeostasis of the mineralized bone mass with deterioration of the microarchitecture of the bone tissue, which results in a reduction of bone strength and an increased risk of fracture, even in the absence of high-impact trauma. The most common cause of bone fragility is primary osteoporosis in the elderly. However, bone fragility can manifest at any age, within the context of a wide spectrum of congenital rare bone metabolic diseases in which the inherited genetic defect alters correct bone modeling and remodeling at different points and aspects of bone synthesis and/or bone resorption, leading to defective bone tissue highly prone to long bone bowing, stress fractures and pseudofractures, and/or fragility fractures. To date, over 100 different Mendelian-inherited metabolic bone disorders have been identified and included in the OMIM database, associated with germinal heterozygote, compound heterozygote, or homozygote mutations, affecting over 80 different genes involved in the regulation of bone and mineral metabolism. This manuscript reviews clinical bone phenotypes, and the associated bone fragility in rare congenital metabolic bone disorders, following a disease taxonomic classification based on deranged bone metabolic activity.
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Affiliation(s)
- Francesca Marini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 Florence, Italy; (F.M.); (F.G.); (T.I.)
- F.I.R.M.O. Fondazione Italiana per la Ricerca sulle Malattie dell’Osso, Italian Foundation for the Research on Bone Diseases, 50141 Florence, Italy
| | - Francesca Giusti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 Florence, Italy; (F.M.); (F.G.); (T.I.)
| | - Teresa Iantomasi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 Florence, Italy; (F.M.); (F.G.); (T.I.)
| | - Maria Luisa Brandi
- F.I.R.M.O. Fondazione Italiana per la Ricerca sulle Malattie dell’Osso, Italian Foundation for the Research on Bone Diseases, 50141 Florence, Italy
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30
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Mesenchymal Stem Cells, Bioactive Factors, and Scaffolds in Bone Repair: From Research Perspectives to Clinical Practice. Cells 2021; 10:cells10081925. [PMID: 34440694 PMCID: PMC8392210 DOI: 10.3390/cells10081925] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cell-based therapies are promising tools for bone tissue regeneration. However, tracking cells and maintaining them in the site of injury is difficult. A potential solution is to seed the cells onto a biocompatible scaffold. Construct development in bone tissue engineering is a complex step-by-step process with many variables to be optimized, such as stem cell source, osteogenic molecular factors, scaffold design, and an appropriate in vivo animal model. In this review, an MSC-based tissue engineering approach for bone repair is reported. Firstly, MSC role in bone formation and regeneration is detailed. Secondly, MSC-based bone tissue biomaterial design is analyzed from a research perspective. Finally, examples of animal preclinical and human clinical trials involving MSCs and scaffolds in bone repair are presented.
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31
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Hallett SA, Matsushita Y, Ono W, Sakagami N, Mizuhashi K, Tokavanich N, Nagata M, Zhou A, Hirai T, Kronenberg HM, Ono N. Chondrocytes in the resting zone of the growth plate are maintained in a Wnt-inhibitory environment. eLife 2021; 10:e64513. [PMID: 34309509 PMCID: PMC8313235 DOI: 10.7554/elife.64513] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 07/04/2021] [Indexed: 02/01/2023] Open
Abstract
Chondrocytes in the resting zone of the postnatal growth plate are characterized by slow cell cycle progression, and encompass a population of parathyroid hormone-related protein (PTHrP)-expressing skeletal stem cells that contribute to the formation of columnar chondrocytes. However, how these chondrocytes are maintained in the resting zone remains undefined. We undertook a genetic pulse-chase approach to isolate slow cycling, label-retaining chondrocytes (LRCs) using a chondrocyte-specific doxycycline-controllable Tet-Off system regulating expression of histone 2B-linked GFP. Comparative RNA-seq analysis identified significant enrichment of inhibitors and activators for Wnt signaling in LRCs and non-LRCs, respectively. Activation of Wnt/β-catenin signaling in PTHrP+ resting chondrocytes using Pthlh-creER and Apc-floxed allele impaired their ability to form columnar chondrocytes. Therefore, slow-cycling chondrocytes are maintained in a Wnt-inhibitory environment within the resting zone, unraveling a novel mechanism regulating maintenance and differentiation of PTHrP+ skeletal stem cells of the postnatal growth plate.
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Affiliation(s)
- Shawn A Hallett
- University of Michigan School of DentistryAnn ArborUnited States
| | - Yuki Matsushita
- University of Michigan School of DentistryAnn ArborUnited States
| | - Wanida Ono
- University of Michigan School of DentistryAnn ArborUnited States
- University of Texas Health Science Center at Houston School of DentistryHoustonUnited States
| | - Naoko Sakagami
- University of Michigan School of DentistryAnn ArborUnited States
| | - Koji Mizuhashi
- University of Michigan School of DentistryAnn ArborUnited States
| | - Nicha Tokavanich
- University of Michigan School of DentistryAnn ArborUnited States
| | - Mizuki Nagata
- University of Michigan School of DentistryAnn ArborUnited States
| | - Annabelle Zhou
- University of Michigan School of DentistryAnn ArborUnited States
| | - Takao Hirai
- Ishikawa Prefectural Nursing UniversityIshikawaJapan
| | - Henry M Kronenberg
- Endocrine Unit, Massachusetts General Hospital and Harvard Medical SchoolBostonUnited States
| | - Noriaki Ono
- University of Michigan School of DentistryAnn ArborUnited States
- University of Texas Health Science Center at Houston School of DentistryHoustonUnited States
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Costa-Guda J, Pandya C, Strahl M, Taik P, Sebra R, Chen R, Uzilov AV, Arnold A. Parafibromin Abnormalities in Ossifying Fibroma. J Endocr Soc 2021; 5:bvab087. [PMID: 34159287 PMCID: PMC8212678 DOI: 10.1210/jendso/bvab087] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Indexed: 12/11/2022] Open
Abstract
Ossifying fibromas are very rare tumors that are sometimes seen as part of the hyperparathyroidism-jaw tumor syndrome (HPT-JT), which is caused by inactivating mutations of the HRPT2/CDC73 tumor suppressor gene. CDC73 mutations have been identified in a subset of sporadic cases but aberrant expression of the encoded protein, parafibromin, has not been demonstrated in ossifying fibroma. We sought to determine if loss of parafibromin regularly contributes to the development of sporadic, nonsyndromic ossifying fibroma. We examined a series of 9 ossifying fibromas, including ossifying, cemento-ossifying, and juvenile active variants, for parafibromin protein expression by immunohistochemistry and for CDC73 sequence abnormalities by Sanger sequencing and/or targeted AmpliSeq panel sequencing. Four ossifying fibromas showed a complete absence of nuclear parafibromin expression; loss of parafibromin expression was coupled with aberrant cytoplasmic parafibromin expression in 1 case. CDC73 mutations were detected in 2 cases with aberrant parafibromin expression. These results provide novel evidence, at the level of protein expression, that loss of the parathyroid CDC73/parafibromin tumor suppressor may play a role in the pathogenesis of a subset of ossifying fibromas.
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Affiliation(s)
- Jessica Costa-Guda
- Center for Molecular Oncology, University of Connecticut School of Medicine, Farmington, CT 06030, USA.,Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut School of Dental Medicine, Farmington, CT 06030, USA
| | - Chetanya Pandya
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA.,Department of Genetics and Genomic Sciences and Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6501, USA
| | - Maya Strahl
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA
| | - Patricia Taik
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA.,Department of Genetics and Genomic Sciences and Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6501, USA
| | - Robert Sebra
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA.,Department of Genetics and Genomic Sciences and Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6501, USA
| | - Rong Chen
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA.,Department of Genetics and Genomic Sciences and Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6501, USA
| | - Andrew V Uzilov
- Sema4, a Mount Sinai venture , Stamford, CT 06902, USA.,Department of Genetics and Genomic Sciences and Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6501, USA
| | - Andrew Arnold
- Center for Molecular Oncology, University of Connecticut School of Medicine, Farmington, CT 06030, USA.,Division of Endocrinology and Metabolism, University of Connecticut School of Medicine, Farmington, CT 06030, USA
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Abstract
The axial skeleton of all vertebrates is composed of individual units known as vertebrae. Each vertebra has individual anatomical attributes, yet they can be classified in five different groups, namely cervical, thoracic, lumbar, sacral and caudal, according to shared characteristics and their association with specific body areas. Variations in vertebral number, size, morphological features and their distribution amongst the different regions of the vertebral column are a major source of the anatomical diversity observed among vertebrates. In this review I will discuss the impact of those variations on the anatomy of different vertebrate species and provide insights into the genetic origin of some remarkable morphological traits that often serve to classify phylogenetic branches or individual species, like the long trunks of snakes or the long necks of giraffes.
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34
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Porcupine inhibitors: Novel and emerging anti-cancer therapeutics targeting the Wnt signaling pathway. Pharmacol Res 2021; 167:105532. [DOI: 10.1016/j.phrs.2021.105532] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/14/2021] [Accepted: 03/01/2021] [Indexed: 02/06/2023]
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35
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Musculoskeletal complications associated with pathological iron toxicity and its molecular mechanisms. Biochem Soc Trans 2021; 49:747-759. [PMID: 33929529 DOI: 10.1042/bst20200672] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/25/2022]
Abstract
Iron is fundamental for several biological functions, but when in excess can lead to the development of toxic events. Some tissues and cells are more susceptible than others, but systemic iron levels can be controlled by treating patients with iron-chelating molecules and phlebotomy. An early diagnostic can be decisive to limit the progression of musculoskeletal complications like osteoarthritis and osteoporosis because of iron toxicity. In iron-related osteoarthritis, aggravation can be associated to a few events that can contribute to joints articular cartilage exposure to high iron concentrations, which can promote articular degeneration with very little chance of tissue regeneration. In contrast, bone metabolism is much more dynamic than cartilage, but progressive iron accumulation and ageing can be decisive factors for bone health. The iron overload associated with hereditary diseases like hemochromatosis, hemophilias, thalassemias and other hereditary anaemias increase the negative impact of iron toxicity in joints and bone, as well as in life quality, even when iron levels can be controlled. The molecular mechanisms by which iron can compromise cartilage and bone have been illusive and only in the last 20 years studies have started to shed some light into the molecular mechanisms associated with iron toxicity. Ferroptosis and the regulation of intracellular iron levels is instrumental in the balance between detoxification and induced cell death. In addition, these complications are accompanied with multiple susceptibility factors that can aggravate iron toxicity and should be identified. Therefore, understanding tissues microenvironment and cell communication is fundamental to contextualize iron toxicity.
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Wang B, Rong X, Zhou Y, Liu Y, Sun J, Zhao B, Deng B, Lu L, Lu L, Li Y, Zhou J. Eukaryotic initiation factor 4A3 inhibits Wnt/β-catenin signaling and regulates axis formation in zebrafish embryos. Development 2021; 148:261699. [PMID: 33914867 DOI: 10.1242/dev.198101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 03/25/2021] [Indexed: 12/31/2022]
Abstract
A key step in the activation of canonical Wnt signaling is the interaction between β-catenin and Tcf/Lefs that forms the transcription activation complex and facilitates the expression of target genes. Eukaryotic initiation factor 4A3 (EIF4A3) is an ATP-dependent DEAD box-family RNA helicase and acts as a core subunit of the exon junction complex (EJC) to control a series of RNA post-transcriptional processes. In this study, we uncover that EIF4A3 functions as a Wnt inhibitor by interfering with the formation of β-catenin/Tcf transcription activation complex. As Wnt stimulation increases, accumulated β-catenin displaces EIF4A3 from a transcriptional complex with Tcf/Lef, allowing the active complex to facilitate the expression of target genes. In zebrafish embryos, eif4a3 depletion inhibited the development of the dorsal organizer and pattern formation of the anterior neuroectoderm by increasing Wnt/β-catenin signaling. Conversely, overexpression of eif4a3 decreased Wnt/β-catenin signaling and inhibited the formation of the dorsal organizer before gastrulation. Our results reveal previously unreported roles of EIF4A3 in the inhibition of Wnt signaling and the regulation of embryonic development in zebrafish.
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Affiliation(s)
- Bo Wang
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Xiaozhi Rong
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266003, China
| | - Yumei Zhou
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Yunzhang Liu
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Jiqin Sun
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Beibei Zhao
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Bei Deng
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Lei Lu
- Model Animal Research Center of Nanjing University and MOE Key Laboratory of Model Animals for Disease Study, 12 Xuefu Road, Pukou High-Tech Zone, Nanjing 210061, China
| | - Ling Lu
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Yun Li
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266003, China
| | - Jianfeng Zhou
- Key Laboratory of Marine Drugs (Ocean University of China), Chinese Ministry of Education, and School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266003, China
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The Effect of Space Travel on Bone Metabolism: Considerations on Today's Major Challenges and Advances in Pharmacology. Int J Mol Sci 2021; 22:ijms22094585. [PMID: 33925533 PMCID: PMC8123809 DOI: 10.3390/ijms22094585] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 12/14/2022] Open
Abstract
Microgravity-induced bone loss is currently a significant and unresolved health risk for space travelers, as it raises the likelihood for irreversible changes that weaken skeletal integrity and the incremental onset of fracture injuries and renal stone formation. Another issue related to bone tissue homeostasis in microgravity is its capacity to regenerate following fractures due to weakening of the tissue and accidental events during the accomplishment of particularly dangerous tasks. Today, several pharmacological and non-pharmacological countermeasures to this problem have been proposed, including physical exercise, diet supplements and administration of antiresorptive or anabolic drugs. However, each class of pharmacological agents presents several limitations as their prolonged and repeated employment is not exempt from the onset of serious side effects, which limit their use within a well-defined range of time. In this review, we will focus on the various countermeasures currently in place or proposed to address bone loss in conditions of microgravity, analyzing in detail the advantages and disadvantages of each option from a pharmacological point of view. Finally, we take stock of the situation in the currently available literature concerning bone loss and fracture healing processes. We try to understand which are the critical points and challenges that need to be addressed to reach innovative and targeted therapies to be used both in space missions and on Earth.
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Yun Z, Wang Y, Feng W, Zang J, Zhang D, Gao Y. Overexpression of microRNA-185 alleviates intervertebral disc degeneration through inactivation of the Wnt/ β-catenin signaling pathway and downregulation of Galectin-3. Mol Pain 2021; 16:1744806920902559. [PMID: 32090685 PMCID: PMC7040930 DOI: 10.1177/1744806920902559] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Background Methods Results Conclusions
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Affiliation(s)
- Zhennan Yun
- Department of Colorectal and Anal Surgery, The First Hospital of Jilin University, Changchun, P. R. China
| | - Yuhang Wang
- Day Care Unit, The First Hospital of Jilin University, Changchun, P. R. China
| | - Wei Feng
- Department of Orthopedics, The First Hospital of Jilin University, Changchun, P. R. China
| | - Junting Zang
- Department of Orthopedics, The First Hospital of Jilin University, Changchun, P. R. China
| | - Daguang Zhang
- Department of Orthopedics, The First Hospital of Jilin University, Changchun, P. R. China
| | - Yuhang Gao
- Department of Orthopedics, The First Hospital of Jilin University, Changchun, P. R. China
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Usefulness of β-catenin expression in the differential diagnosis of osteosarcoma, osteoblastoma, and chondroblastoma. Virchows Arch 2021; 479:529-535. [PMID: 33511430 DOI: 10.1007/s00428-020-03004-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/16/2020] [Accepted: 12/18/2020] [Indexed: 10/22/2022]
Abstract
The aim of this study is to assess the usefulness of beta-catenin immunohistochemical expression in the differential diagnosis of osteoid-producing primary tumors of bone. Seventy cases of osteoid-producing tumors of bone (24 conventional osteosarcomas, 18 osteoblastomas, 13 osteoblastoma-like osteosarcomas, 10 chondroblastomas, and 5 chondroblastoma-like osteosarcomas) diagnosed at Istituto Ortopedico Rizzoli were reviewed and evaluated for the intensity, extension, and subcellular distribution of immunohistochemical expression of beta-catenin. A majority of cases (73%, 51 cases) exhibited cytoplasmic and/or membranous positivity in varied degrees of intensity and proportion of positive cells, in the absence of nuclear staining. Fifteen cases (21%) were completely negative, including two osteoblastomas, five chondroblastomas, three conventional osteosarcomas, four osteoblastoma-like osteosarcomas, and one chondroblastoma-like osteosarcoma. A minority of cases (6%) including three osteoblastoma-like osteosarcomas and one osteoblastoma showed focal nuclear beta-catenin positivity with or without concomitant cytoplasmic staining. In the current series, beta-catenin showed not to be useful in the differential diagnosis of osteoid-producing primary bone tumors.
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Yang Y, Feng Y, Qu R, Li Q, Rong D, Fan T, Yang Y, Sun B, Bi Z, Khan AU, Deng T, Dai J, Ouyang J. Synthesis of aligned porous polyethylene glycol/silk fibroin/hydroxyapatite scaffolds for osteoinduction in bone tissue engineering. Stem Cell Res Ther 2020; 11:522. [PMID: 33272329 PMCID: PMC7712560 DOI: 10.1186/s13287-020-02024-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 11/10/2020] [Indexed: 02/06/2023] Open
Abstract
Background The physical factors of the extracellular matrix have a profound influence on the differentiation behavior of mesenchymal stem cells. In this study, the effect of the biophysical microenvironment on rat bone marrow mesenchymal stem cell (BMSC) osteogenesis was studied both in vitro and in vivo. Methods To prepare cell culture scaffolds of varying stiffness, increasing amounts of hydroxyapatite (HAp) were mixed into a polyethylene glycol/silk fibroin (PEG/SF) solution. The amount of HAp ranged from 25 to 100 mg, which provided for different ratios between HAp and the PEG/SF composite. In vitro, the effect of stiffness on the osteogenic differentiation of rat BMSCs was studied. The outcome measures, which were verified in vivo, included the protein expression of runt-related transcription factor 2 and osteocalcin, alkaline phosphatase activity, and the mRNA expression of osteogenesis-related markers. Results Increasing amounts of HAp resulted in an increased elastic modulus of the cell culture scaffolds. The PEG/SF/HAp fabricated with HAp (50 mg) significantly increased cell adhesion and viability (p < 0.05) as well as the expression of all the osteogenesis-related markers (p < 0.05). Conclusions We developed a novel cell culture scaffold and demonstrated that substrate stiffness influenced the osteogenic differentiation of rat BMSCs. Supplementary information The online version contains supplementary material available at 10.1186/s13287-020-02024-8.
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Affiliation(s)
- Yuchao Yang
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Yanting Feng
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Rongmei Qu
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Qingtao Li
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Dongming Rong
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Tingyu Fan
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Yiting Yang
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Bing Sun
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Zhenyu Bi
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Asmat Ullah Khan
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Ting Deng
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Jingxing Dai
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China.
| | - Jun Ouyang
- Guangdong Provincial Key Laboratory of Medical Biomechanics & Department of Anatomy, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China.
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Effects of Estrogen Receptor and Wnt Signaling Activation on Mechanically Induced Bone Formation in a Mouse Model of Postmenopausal Bone Loss. Int J Mol Sci 2020; 21:ijms21218301. [PMID: 33167497 PMCID: PMC7663944 DOI: 10.3390/ijms21218301] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/30/2020] [Accepted: 10/31/2020] [Indexed: 12/15/2022] Open
Abstract
In the adult skeleton, bone remodeling is required to replace damaged bone and functionally adapt bone mass and structure according to the mechanical requirements. It is regulated by multiple endocrine and paracrine factors, including hormones and growth factors, which interact in a coordinated manner. Because the response of bone to mechanical signals is dependent on functional estrogen receptor (ER) and Wnt/β-catenin signaling and is impaired in postmenopausal osteoporosis by estrogen deficiency, it is of paramount importance to elucidate the underlying mechanisms as a basis for the development of new strategies in the treatment of osteoporosis. The present study aimed to investigate the effectiveness of the activation of the ligand-dependent ER and the Wnt/β-catenin signal transduction pathways on mechanically induced bone formation using ovariectomized mice as a model of postmenopausal bone loss. We demonstrated that both pathways interact in the regulation of bone mass adaption in response to mechanical loading and that the activation of Wnt/β-catenin signaling considerably increased mechanically induced bone formation, whereas the effects of estrogen treatment strictly depended on the estrogen status in the mice.
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Comeau-Gauthier M, Tarchala M, Luna JLRG, Harvey E, Merle G. Unleashing β-catenin with a new anti-Alzheimer drug for bone tissue regeneration. Injury 2020; 51:2449-2459. [PMID: 32829895 DOI: 10.1016/j.injury.2020.07.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/18/2020] [Indexed: 02/02/2023]
Abstract
The Wnt/β-catenin signaling pathway is critical for bone differentiation and regeneration. Tideglusib, a selective FDA approved glycogen synthase kinase-3β (GSK-3β) inhibitor, has been shown to promote dentine formation, but its effect on bone has not been examined. Our objective was to study the effect of localized Tideglusib administration on bone repair. Bone healing between Tideglusib treated and control mice was analysed at 7, 14 and 28 days postoperative (PO) with microCT, dynamic histomorphometry and immunohistology. There was a local downregulation of GSK-3β in Tideglusib animals, resulting in a significant increase in the amount of new bone formation with both enhanced cortical bone bridging and medullary bone deposition. The bone formation in the Tideglusib group was characterized by early osteoblast differentiation with down-regulation of GSK-3β at day 7 and 14, and higher accumulation of active β-catenin at day 14. Here, for the first time, we show a positive effect of Tideglusib on bone formation through the inactivation of GSK-3β. Furthermore, the findings suggest that Tideglusib does not interfere with precursor cell recruitment and commitment, contrary to other GSK-3β antagonists such as lithium chloride. Taken together, the results indicate that Tideglusib could be used directly at a fracture site during the initial intraoperative internal fixation without the need for further surgery, injection or drug delivery system. This FDA-approved drug may be useful in the future for the prevention of non-union in patients presenting with a high risk for fracture-healing.
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Affiliation(s)
- Marianne Comeau-Gauthier
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Experimental Surgery, Faculty of Medicine, McGill University. Rue de la Montaigne, Montreal, QC, Canada.
| | - Magdalena Tarchala
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Montreal General Hospital, 1650 Cedar Avenue, Room A10-110, Montreal, Qc., H3G 1A4 Canada.
| | - Jose Luis Ramirez-Garcia Luna
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Experimental Surgery, Faculty of Medicine, McGill University. Rue de la Montaigne, Montreal, QC, Canada; Montreal General Hospital, 1650 Cedar Avenue, Room A10-110, Montreal, Qc., H3G 1A4 Canada.
| | - Edward Harvey
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Bone Engineering Labs, Montreal General Hospital, 1650 Cedar Avenue, Room C10-124, Montreal, Qc., H3G 1A4 Canada.
| | - Geraldine Merle
- Chemical Engineering Department, Polytechnique J.-A.-Bombardier building Polytechnique Montréal C.P. 6079, succ. Centre-ville, Montréal (Québec), H3C 3A7, Canada.
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Saito MT, Mofatto LS, Albiero ML, Casati MZ, Sallum EA, Nociti Junior FH, SilvÉrio KG. Transcriptome profile of highly osteoblastic/cementoblastic periodontal ligament cell clones. J Appl Oral Sci 2020; 28:e20200242. [PMID: 33111882 PMCID: PMC9648949 DOI: 10.1590/1678-7757-2020-0242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 07/09/2020] [Indexed: 11/23/2022] Open
Abstract
Heterogeneous cell populations of osteo/cementoblastic (O/C) or fibroblastic phenotypes constitute the periodontal dental ligament (PDL). A better understanding of these PDL cell subpopulations is essential to propose regenerative approaches based on a sound biological rationale.
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Affiliation(s)
- Miki Taketomi Saito
- Universidade Federal do Pará, Instituto de Ciências da Saude, Departmento de Saúde Pública, Belém, Pará, Brasil
| | - Luciana Souto Mofatto
- Universidade Estadual de Campinas, Instituto de Biologia (UNICAMP), Departamento de Genética e Evolução, Microbiologia e Imunologia, Laboratório de Genônica e Expressão, Campinas, SP, Brasil
| | - Mayra Laino Albiero
- Universidade de Sorocaba, (UNISO), Departmento de Periodontia, Sorocaba, SP, Brasil
| | - Márcio Zafallon Casati
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Odontologia de Piracicaba, Departmento de Prótese e Periodontia, Divisão de Periodontia, Piracicaba, SP, Brasil
| | - Enilson Antonio Sallum
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Odontologia de Piracicaba, Departmento de Prótese e Periodontia, Divisão de Periodontia, Piracicaba, SP, Brasil
| | - Francisco Humberto Nociti Junior
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Odontologia de Piracicaba, Departmento de Prótese e Periodontia, Divisão de Periodontia, Piracicaba, SP, Brasil
| | - Karina Gonzales SilvÉrio
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Odontologia de Piracicaba, Departmento de Prótese e Periodontia, Divisão de Periodontia, Piracicaba, SP, Brasil
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Fang S, He T, Jiang J, Li Y, Chen P. Osteogenic Effect of tsRNA-10277-Loaded Exosome Derived from Bone Mesenchymal Stem Cells on Steroid-Induced Osteonecrosis of the Femoral Head. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:4579-4591. [PMID: 33149555 PMCID: PMC7604472 DOI: 10.2147/dddt.s258024] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 09/18/2020] [Indexed: 12/13/2022]
Abstract
Purpose Steroids are known to inhibit osteogenic differentiation and subsequent bone formation in bone mesenchymal stem cells (BMSCs). However, little is known about the role of BMSC exosomes (Exos) and tRNA-derived small RNAs (tsRNAs) in steroid-induced osteonecrosis of the femoral head (SONFH). The objective of this study was to characterize the tsRNA expression profiles of plasma Exos collected from SONFH patients and healthy individuals using small RNA sequencing and further explore the effect of BMSC Exos carrying specific tsRNAs on osteogenic differentiation. Materials and Methods Based on insights from small RNA sequencing, five differentially expressed (DE) tsRNAs were selected for quantitative real-time polymerase chain reaction (qRT-PCR). The regulatory networks associated with interactions of the tsRNAs-mRNA-pathways were reconstructed. The osteogenesis and adipogenesis in BMSCs were detected via ALP and oil red O staining methods, respectively. Results A total of 345 DE small RNAs were screened, including 223 DE tsRNAs. The DE tsRNAs were enriched in Wnt signaling pathway and osteogenic differentiation. We identified five DE tsRNAs, among which tsRNA-10277 was significantly downregulated in plasma Exos of SONFH patients compared to that in healthy individuals. Dexamethasone-induced BMSCs were associated with an increased fraction of lipid droplets and decreased osteogenic differentiation, whereas BMSC Exos restored the osteogenic differentiation of that. After treatment of tsRNA-10277-loaded BMSC Exos, the lipid droplets and osteogenic differentiation ability were found to be decreased and enhanced in dexamethasone-induced BMSCs, respectively. Conclusion An altered tsRNA profile might be involved in the pathophysiology of SONFH. tsRNA-10277-loaded BMSC Exos enhanced osteogenic differentiation ability of dexamethasone-induced BMSCs. Our results provide novel insights into the osteogenic effect of BMSC Exos carrying specific tsRNAs on SONFH.
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Affiliation(s)
- Shanhong Fang
- Department of Orthopedics, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, People's Republic of China
| | - Tianmin He
- Department of Vascular Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, People's Republic of China
| | - Jiarun Jiang
- Department of Orthopedics, The Hospital of Changle District, Fuzhou 350005, People's Republic of China
| | - Yongfeng Li
- Department of Orthopedics, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, People's Republic of China
| | - Peng Chen
- Department of Orthopedics, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, People's Republic of China
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Furesi G, Rauner M, Hofbauer LC. Emerging Players in Prostate Cancer-Bone Niche Communication. Trends Cancer 2020; 7:112-121. [PMID: 33274720 DOI: 10.1016/j.trecan.2020.09.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/21/2020] [Accepted: 09/28/2020] [Indexed: 12/22/2022]
Abstract
Patients with advanced prostate cancer (PCa) frequently develop skeletal metastases that are associated with fractures, disability, and increased mortality. Within the bone metastatic niche, mutual interactions between tumor cells and osteoblasts have been proposed as major contributors of osteotropism by PCa. Here, we highlight the emerging role of PCa-derived extracellular vesicles (EVs) in reprogramming osteoblasts and support of premetastatic niche formation. We also develop the concept of cancer-associated osteoblasts (CAOs) and outline the potential of PCa cells to acquire an osteoblastic phenotype, termed osteomimicry, as two strategies that PCa utilizes to create a favorable protected niche. Finally, we delineate future research that may help to deconstruct the complexity of PCa osteotropism.
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Affiliation(s)
- Giulia Furesi
- Department of Medicine III and Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Martina Rauner
- Department of Medicine III and Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Lorenz C Hofbauer
- Department of Medicine III and Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany.
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Kegelman CD, Collins JM, Nijsure MP, Eastburn EA, Boerckel JD. Gone Caving: Roles of the Transcriptional Regulators YAP and TAZ in Skeletal Development. Curr Osteoporos Rep 2020; 18:526-540. [PMID: 32712794 PMCID: PMC8040027 DOI: 10.1007/s11914-020-00605-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW The development of the skeleton is controlled by cellular decisions determined by the coordinated activation of multiple transcription factors. Recent evidence suggests that the transcriptional regulator proteins, Yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ), could have important roles in directing the activity of these transcriptional programs. However, in vitro evidence for the roles of YAP and TAZ in skeletal cells has been hopelessly contradictory. The goals of this review are to provide a cross-sectional view on the state of the field and to synthesize the available data toward a unified perspective. RECENT FINDINGS YAP and TAZ are regulated by diverse upstream signals and interact downstream with multiple transcription factors involved in skeletal development, positioning YAP and TAZ as important signal integration nodes in an hourglass-shaped signaling pathway. Here, we provide a survey of putative transcriptional co-effectors for YAP and TAZ in skeletal cells. Synthesizing the in vitro data, we conclude that TAZ is consistently pro-osteogenic in function, while YAP can exhibit either pro- or anti-osteogenic activity depending on cell type and context. Synthesizing the in vivo data, we conclude that YAP and TAZ combinatorially promote developmental bone formation, bone matrix homeostasis, and endochondral fracture repair by regulating a variety of transcriptional programs depending on developmental stage. Here, we discuss the current understanding of the roles of the transcriptional regulators YAP and TAZ in skeletal development, and provide recommendations for continued study of molecular mechanisms, mechanotransduction, and therapeutic implications for skeletal disease.
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Affiliation(s)
- Christopher D Kegelman
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, 376A Stemmler Hall, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Joseph M Collins
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, 376A Stemmler Hall, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Madhura P Nijsure
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, 376A Stemmler Hall, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Emily A Eastburn
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, 376A Stemmler Hall, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Joel D Boerckel
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, 376A Stemmler Hall, Philadelphia, PA, USA.
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.
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Kaliya-Perumal AK, Carney TJ, Ingham PW. Fibrodysplasia ossificans progressiva: current concepts from bench to bedside. Dis Model Mech 2020; 13:13/9/dmm046441. [PMID: 32988985 PMCID: PMC7522019 DOI: 10.1242/dmm.046441] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Heterotopic ossification (HO) is a disorder characterised by the formation of ectopic bone in soft tissue. Acquired HO typically occurs in response to trauma and is relatively common, yet its aetiology remains poorly understood. Genetic forms, by contrast, are very rare, but provide insights into the mechanisms of HO pathobiology. Fibrodysplasia ossificans progressiva (FOP) is the most debilitating form of HO. All patients reported to date carry heterozygous gain-of-function mutations in the gene encoding activin A receptor type I (ACVR1). These mutations cause dysregulated bone morphogenetic protein (BMP) signalling, leading to HO at extraskeletal sites including, but not limited to, muscles, ligaments, tendons and fascia. Ever since the identification of the causative gene, developing a cure for FOP has been a focus of investigation, and studies have decoded the pathophysiology at the molecular and cellular levels, and explored novel management strategies. Based on the established role of BMP signalling throughout HO in FOP, therapeutic modalities that target multiple levels of the signalling cascade have been designed, and some drugs have entered clinical trials, holding out hope of a cure. A potential role of other signalling pathways that could influence the dysregulated BMP signalling and present alternative therapeutic targets remains a matter of debate. Here, we review the recent FOP literature, including pathophysiology, clinical aspects, animal models and current management strategies. We also consider how this research can inform our understanding of other types of HO and highlight some of the remaining knowledge gaps. Summary: Fibrodysplasia ossificans progressiva is a rare disease characterised by progressive heterotopic bone formation. Here, we present a comprehensive summary of the recent literature on this debilitating condition and discuss approaches to solving this clinical puzzle.
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Affiliation(s)
- Arun-Kumar Kaliya-Perumal
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, 636921, Singapore
| | - Tom J Carney
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, 636921, Singapore.,Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos 138673, Singapore
| | - Philip W Ingham
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, 636921, Singapore .,Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos 138673, Singapore
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Yang J, Ueharu H, Mishina Y. Energy metabolism: A newly emerging target of BMP signaling in bone homeostasis. Bone 2020; 138:115467. [PMID: 32512164 PMCID: PMC7423769 DOI: 10.1016/j.bone.2020.115467] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 12/11/2022]
Abstract
Energy metabolism is the process of generating energy (i.e. ATP) from nutrients. This process is indispensable for cell homeostasis maintenance and responses to varying conditions. Cells require energy for growth and maintenance and have evolved to have multiple pathways to produce energy. Both genetic and functional studies have demonstrated that energy metabolism, such as glucose, fatty acid, and amino acid metabolism, plays important roles in the formation and function of bone cells including osteoblasts, osteocytes, and osteoclasts. Dysregulation of energy metabolism in bone cells consequently disturbs the balance between bone formation and bone resorption. Metabolic diseases have also been reported to affect bone homeostasis. Bone morphogenic protein (BMP) signaling plays critical roles in regulating the formation and function of bone cells, thus affecting bone development and homeostasis. Mutations of BMP signaling-related genes in mice have been reported to show abnormalities in energy metabolism in many tissues, including bone. In addition, BMP signaling correlates with critical signaling pathways such as mTOR, HIF, Wnt, and self-degradative process autophagy to coordinate energy metabolism and bone homeostasis. These findings will provide a newly emerging target of BMP signaling and potential therapeutic strategies and the improved management of bone diseases. This review summarizes the recent advances in our understanding of (1) energy metabolism in regulating the formation and function of bone cells, (2) function of BMP signaling in whole body energy metabolism, and (3) mechanistic interaction of BMP signaling with other signaling pathways and biological processes critical for energy metabolism and bone homeostasis.
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Affiliation(s)
- Jingwen Yang
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; The State Key Laboratory Breeding Base of Basic Science of Stomatology & Key Laboratory for Oral Biomedicine of Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China.
| | - Hiroki Ueharu
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yuji Mishina
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA.
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Chen J, Yuan X, Li Z, Bahat DJ, Helms JA. Bioactivating a bone substitute accelerates graft incorporation in a murine model of vertical ridge augmentation. Dent Mater 2020; 36:1303-1313. [PMID: 32651017 PMCID: PMC7529940 DOI: 10.1016/j.dental.2020.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 06/22/2020] [Indexed: 02/05/2023]
Abstract
Objective. Compared to autologous bone grafts, allogeneic bone grafts integrate slowly, which can adversely affect clinical outcomes. Here, our goal was to understand the molecular mechanisms underlying graft incorporation, and then test clinically feasible methods to accelerate this process. Methods. Wild-type and transgenic Wnt “reporter” mice were used in a vertical ridge augmentation procedure. The surgery consisted of tunneling procedure to elevate the maxillary edentulous ridge periosteum, followed by the insertion of bone graft. Micro-computed tomographic imaging, and molecular/cellular analyses were used to follow the bone graft over time. Sclerostin null mice, and mice carrying an activated form of β-catenin were evaluated to understand how elevated Wnt signaling impacted edentulous ridge height and based on these data, a biomimetic strategy was employed to combine bone graft particles with a formulation of recombinant WNT protein. Thereafter, the rate of graft incorporation was evaluated. Results. Tunneling activated osteoprogenitor cell proliferation from the periosteum. If graft particles were present, then osteoprogenitor cells attached to the matrix and gave rise to new bone that augmented edentulous ridge height. Graft particles alone did not stimulate osteoprogenitor cell proliferation. Based on the thicker edentulous ridges in mice with amplified Wnt signaling, a strategy was undertaken to load bone graft particles with WNT; this combination was sufficient to accelerate the initial step of graft incorporation. Significance. Local delivery of a WNT protein therapeutic has the potential to accelerate graft incorporation, and thus shorten the time to when the graft can support a dental implant.
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Affiliation(s)
- Jinlong Chen
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Xue Yuan
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Zhijun Li
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Palo Alto, CA, USA; Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Daniel J Bahat
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Palo Alto, CA, USA; Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - Jill A Helms
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Palo Alto, CA, USA.
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Lian Q, Chi B, Zhang L, Tian F. [The role of Wnt signaling pathway in osteoarthritis via the dual-targeted regulation of cartilage and subchondral bone]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:797-803. [PMID: 32538575 DOI: 10.7507/1002-1892.201909088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To summarize the active changes of Wnt signaling pathway in osteoarthritis (OA) as well as the influence and mechanism of dual-targeted regulation on cartilage and subchondral bone and the role of crosstalk between them on OA process. Methods The relevant literature concerning the articular cartilage, subchondral bone, and crosstalk between them in OA and non-OA states by Wnt signaling pathway in vivo and vitro experimental studies and clinical studies in recent years was reviewed, and the mechanism was analyzed and summarized. Results Wnt signaling can regulate the differentiation and function of chondrocytes and osteoblasts through the classic β-catenin-dependent or non-classical β-catenin-independent Wnt signaling pathway and its cross-linking with other signaling pathways, thereby affecting the cartilage and bone metabolism. Moreover, Wnt signaling pathway can activate the downstream protein Wnt1-inducible-signaling pathway protein 1 to regulate the progress of OA and it also can be established gap junctions between different cells in cartilage and subchondral bone to communicate molecules directly to regulate OA occurrence and development. Intra-articular injection of Wnt signaling inhibitor SM04690 can inhibit the progress of OA, and overexpression of Wnt signaling pathway inhibitor Dickkopf in osteoblasts can antagonize the role of vascular endothelial growth factor work on chondrocytes and inhibit the catabolism of its matrix. Conclusion The regulation of metabolism and function of cartilage and subchondral bone and crosstalk between them is through interactions among Wnt signaling pathway and molecules of other signaling. Therefore, it plays an vital role in the occurrence and development of OA and is expected to become a new target of OA treatment through intervention and regulation of Wnt signaling pathway.
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Affiliation(s)
- Qiangqiang Lian
- North China University of Science and Technology, Tangshan Hebei, 063210, P.R.China
| | - Bojing Chi
- North China University of Science and Technology, Tangshan Hebei, 063210, P.R.China
| | - Liu Zhang
- North China University of Science and Technology, Tangshan Hebei, 063210, P.R.China;Department of Orthopedics, Emergency Management General Hospital, National Mine Medical Security Center, Beijing, 100028, P.R.China
| | - Faming Tian
- North China University of Science and Technology, Tangshan Hebei, 063210, P.R.China;Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan Hebei, 063210, P.R.China
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