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Wang H, Yuan T, Wang Y, Liu C, Li D, Li Z, Sun S. Osteoclasts and osteoarthritis: Novel intervention targets and therapeutic potentials during aging. Aging Cell 2024; 23:e14092. [PMID: 38287696 PMCID: PMC11019147 DOI: 10.1111/acel.14092] [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: 10/17/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024] Open
Abstract
Osteoarthritis (OA), a chronic degenerative joint disease, is highly prevalent among the aging population, and often leads to joint pain, disability, and a diminished quality of life. Although considerable research has been conducted, the precise molecular mechanisms propelling OA pathogenesis continue to be elusive, thereby impeding the development of effective therapeutics. Notably, recent studies have revealed subchondral bone lesions precede cartilage degeneration in the early stage of OA. This development is marked by escalated osteoclast-mediated bone resorption, subsequent imbalances in bone metabolism, accelerated bone turnover, and a decrease in bone volume, thereby contributing significantly to the pathological changes. While the role of aging hallmarks in OA has been extensively elucidated from the perspective of chondrocytes, their connection with osteoclasts is not yet fully understood. There is compelling evidence to suggest that age-related abnormalities such as epigenetic alterations, proteostasis network disruption, cellular senescence, and mitochondrial dysfunction, can stimulate osteoclast activity. This review intends to systematically discuss how aging hallmarks contribute to OA pathogenesis, placing particular emphasis on the age-induced shifts in osteoclast activity. It also aims to stimulate future studies probing into the pathological mechanisms and therapeutic approaches targeting osteoclasts in OA during aging.
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Affiliation(s)
- Haojue Wang
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Tao Yuan
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Yi Wang
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Changxing Liu
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Dengju Li
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Ziqing Li
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Shui Sun
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
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Yang B, Li X. Unveiling the Mechanisms of Bone Marrow Toxicity Induced by Lead Acetate Exposure. Biol Trace Elem Res 2024; 202:1041-1066. [PMID: 37378799 DOI: 10.1007/s12011-023-03733-w] [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: 01/25/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023]
Abstract
Lead (Pb), a widespread heavy metal, causes severe toxicity in human and animal organs (e.g., bone marrow), whereas the mechanisms of the bone marrow toxicity induced by Pb exposure are unclear. Hence, this study was designed to reveal the hub genes involved in Pb-induced bone marrow toxicity. GSE59894 dataset obtained from Gene Expression Omnibus (GEO) was composed of lead acetate (PbAc2)-treated and control bone marrow samples. Totally 120 and 85 differentially expressed genes (DEGs) were identified on the 1st day, while 153 and 157 DEGs on the 3rd day in the bone marrow treated with 200 and 600 mg/kg of PbAc2, respectively. Notably, a total of 28 and 32 overlapping DEGs were identified in the bone marrow on the 1st and 3rd day treated with PbAc2, respectively. Biological process analysis suggested that the common DEGs were primarily participated in cell differentiation, the response to drug, xenobiotic stimulus, and organic cyclic compound. Pathway analysis demonstrated that the overlapping DEGs were primarily linked to PI3K-Akt, TGF-β, MAPK, and osteoclast differentiation signaling pathways. Moreover, the hub genes, including PLD2, DAPK1, ALB, TNF, FOS, CDKN1A, and TGFB3, might contribute to PbAc2-induced bone marrow toxicity. Overall, our study offers an important insight into the molecular mechanisms of Pb-induced bone marrow toxicity.
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Affiliation(s)
- Bing Yang
- College of Animal Science, Anhui Science and Technology University, Fengyang, 233100, China
| | - Xiaofeng Li
- College of Animal Science, Anhui Science and Technology University, Fengyang, 233100, China.
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Huang J, Ma Z, Peng X, Yang Z, Wu Y, Zhong G, Ouyang T, Chen Z, Liu Y, Wang Q, Chen J, Chen T, Zeng Z. Discovery of Novel Potent and Fast BTK PROTACs for the Treatment of Osteoclasts-Related Inflammatory Diseases. J Med Chem 2024; 67:2438-2465. [PMID: 38321747 DOI: 10.1021/acs.jmedchem.3c01414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Bruton's tyrosine kinase (BTK) is an attractive target in inflammatory and autoimmune diseases. However, the effectiveness of BTK inhibitors is limited by side effects and drug resistance. In this study, we report the development of novel BTK proteolysis targeting chimeras (PROTACs) with different classes of BTK-targeting ligands (e.g., spebrutinib) other than ibrutinib. Compound 23 was identified as a potent and fast BTK PROTAC degrader, exhibiting outstanding degradation potency and efficiency in Mino cells (DC50, 4 h = 1.29 ± 0.3 nM, t1/2, 20 nM = 0.59 ± 0.20 h). Furthermore, compound 23 forms a stable ternary complex, as confirmed by the HTRF assay. Notably, 23 down-regulated the BTK-PLCγ2-Ca2+-NFATc1 signaling pathway activated by RANKL, thus inhibiting osteoclastogenesis and attenuating alveolar bone resorption in a mouse periodontitis model. These findings suggest that compound 23 is a potent and promising candidate for osteoclast-related inflammatory diseases, expanding the potential of BTK PROTACs.
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Affiliation(s)
- Junli Huang
- Department of Pharmacy, The People's Hospital of Guangxi Zhuang Autonomous Region & Guangxi Academy of Medical Sciences, Nanning, Guangxi 530021, China
| | - Zeli Ma
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xiaopeng Peng
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, School of Pharmacy, Gannan Medical University, Ganzhou 314000, China
| | - Zichao Yang
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yuhao Wu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Guanghong Zhong
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Tianfeng Ouyang
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Zhen Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yao Liu
- Instrumental Analysis Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Qirui Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jianjun Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ting Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Zhenhua Zeng
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
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Guo J, Tong CY, Shi JG, Li XJ, Chen XQ. Deletion of osteopontin in non-small cell lung cancer cells affects bone metabolism by regulating miR-34c/Notch1 axis: a clue to bone metastasis. Eur J Histochem 2023; 67:3631. [PMID: 37491944 PMCID: PMC10476534 DOI: 10.4081/ejh.2023.3631] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 06/13/2023] [Indexed: 07/27/2023] Open
Abstract
Lung cancer is prone to bone metastasis, and osteopontin (OPN) has an important significance in maintaining bone homeostasis. The goal of this study was to explore the impact of OPN level on bone metabolism and the molecular mechanism of inhibiting bone metastasis in non-small cell lung cancer (NSCLC). The expression of OPN in NSCLC was ascertained by Western blot and immunohistochemistry, and the correlation between the expression level of OPN and survival of patients was analyzed. Then the shRNA technology was applied to reduce the expression of OPN in NSCLC cells, and CCK-8 assay was carried out to investigate the effect of low expression of OPN on the proliferation of NSCLC cells. In addition, the effects of low expression of OPN on osteoclast differentiation, osteoblast generation and mineralization were studied using osteoclast precursor RAW264.7 and human osteoblast SaOS-2 cells, and whether OPN could regulate miR-34c/ Notch pathway to affect bone metabolism was further explored. The findings showed that the high level of OPN in NSCLC was closely related to the poor prognosis of patients and the abnormal proliferation of NSCLC cell lines. The suppression of OPN was beneficial to inhibit the differentiation of osteoclasts and promote the mineralization of osteoblasts. Besides, this study confirmed that the deletion of OPN can regulate bone metabolism through the regulation of miR-34c/Notch1 pathway, which will contribute to inhibiting the occurrence of osteolytic bone metastasis in NSCLC.
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Affiliation(s)
- Jing Guo
- Department of Thoracic Surgery, Ningbo First Hospital, Ningbo, Zhejiang.
| | - Chang-Yong Tong
- Department of Thoracic Surgery, Ningbo First Hospital, Ningbo, Zhejiang.
| | - Jian-Guang Shi
- Department of Thoracic Surgery, Ningbo First Hospital, Ningbo, Zhejiang.
| | - Xin-Jian Li
- Department of Thoracic Surgery, Ningbo First Hospital, Ningbo, Zhejiang.
| | - Xue-Qin Chen
- Department of Chinese Traditional Medicine, Ningbo First Hospital, Ningbo, Zhejiang.
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Yu S, Geng X, Liu H, Zhang Y, Cao X, Li B, Yan J. ELMO1 Deficiency Reduces Neutrophil Chemotaxis in Murine Peritonitis. Int J Mol Sci 2023; 24:ijms24098103. [PMID: 37175809 PMCID: PMC10179205 DOI: 10.3390/ijms24098103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/18/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
Peritoneal inflammation remains a major cause of treatment failure in patients with kidney failure who receive peritoneal dialysis. Peritoneal inflammation is characterized by an increase in neutrophil infiltration. However, the molecular mechanisms that control neutrophil recruitment in peritonitis are not fully understood. ELMO and DOCK proteins form complexes which function as guanine nucleotide exchange factors to activate the small GTPase Rac to regulate F-actin dynamics during chemotaxis. In the current study, we found that deletion of the Elmo1 gene causes defects in chemotaxis and the adhesion of neutrophils. ELMO1 plays a role in the fMLP-induced activation of Rac1 in parallel with the PI3K and mTORC2 signaling pathways. Importantly, we also reveal that peritoneal inflammation is alleviated in Elmo1 knockout mice in the mouse model of thioglycollate-induced peritonitis. Our results suggest that ELMO1 functions as an evolutionarily conserved regulator for the activation of Rac to control the chemotaxis of neutrophils both in vitro and in vivo. Our results suggest that the targeted inhibition of ELMO1 may pave the way for the design of novel anti-inflammatory therapies for peritonitis.
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Affiliation(s)
- Shuxiang Yu
- School of Medicine, Shanghai University, Shanghai 200444, China
- School of Life Sciences, Shanghai University, Shanghai 200444, China
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Xiaoke Geng
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Huibing Liu
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Yunyun Zhang
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Xiumei Cao
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Baojie Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jianshe Yan
- School of Medicine, Shanghai University, Shanghai 200444, China
- School of Life Sciences, Shanghai University, Shanghai 200444, China
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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Bao K, Jiao Y, Xing L, Zhang F, Tian F. The role of wnt signaling in diabetes-induced osteoporosis. Diabetol Metab Syndr 2023; 15:84. [PMID: 37106471 PMCID: PMC10141960 DOI: 10.1186/s13098-023-01067-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 04/24/2023] [Indexed: 04/29/2023] Open
Abstract
Osteoporosis, a chronic complication of diabetes mellitus, is characterized by a reduction in bone mass, destruction of bone microarchitecture, decreased bone strength, and increased bone fragility. Because of its insidious onset, osteoporosis renders patients highly susceptible to pathological fractures, leading to increased disability and mortality rates. However, the specific pathogenesis of osteoporosis induced by chronic hyperglycemia has not yet been fully elucidated. But it is currently known that the disruption of Wnt signaling triggered by chronic hyperglycemia is involved in the pathogenesis of diabetic osteoporosis. There are two main types of Wnt signaling pathways, the canonical Wnt signaling pathway (β-catenin-dependent) and the non-canonical Wnt signaling pathway (non-β-catenin-dependent), both of which play an important role in regulating the balance between bone formation and bone resorption. Therefore, this review systematically describes the effects of abnormal Wnt pathway signaling on bone homeostasis under hyperglycemia, hoping to reveal the relationship between Wnt signaling and diabetic osteoporosis to further improve understanding of this disease.
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Affiliation(s)
- Kairan Bao
- Department of Integrated Traditional & Western Medicine, Affiliated hospital of North, China University of Science and Technology, Jianshe South Road 73, Tangshan, 063000, Hebei, People's Republic of China.
| | - Yinghua Jiao
- Department of Integrated Traditional & Western Medicine, Affiliated hospital of North, China University of Science and Technology, Jianshe South Road 73, Tangshan, 063000, Hebei, People's Republic of China
- North China University of Science and Technology, Bohai Road 21, Caofeidian Dis, Tangshan, 063210, Hebei, People's Republic of China
| | - Lei Xing
- Department of Integrated Traditional & Western Medicine, Affiliated hospital of North, China University of Science and Technology, Jianshe South Road 73, Tangshan, 063000, Hebei, People's Republic of China
| | - Fang Zhang
- Department of Integrated Traditional & Western Medicine, Affiliated hospital of North, China University of Science and Technology, Jianshe South Road 73, Tangshan, 063000, Hebei, People's Republic of China
| | - Faming Tian
- Department of Integrated Traditional & Western Medicine, Affiliated hospital of North, China University of Science and Technology, Jianshe South Road 73, Tangshan, 063000, Hebei, People's Republic of China
- North China University of Science and Technology, Bohai Road 21, Caofeidian Dis, Tangshan, 063210, Hebei, People's Republic of China
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