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Song Y, Li H, Jiang Q, Wu L. Prognostic and clinicopathological value of osteopontin expression in non-small cell lung cancer: a meta-analysis and systematic review. Biomarkers 2024; 29:105-113. [PMID: 38376506 DOI: 10.1080/1354750x.2024.2319702] [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: 06/06/2023] [Accepted: 02/12/2024] [Indexed: 02/21/2024]
Abstract
BACKGROUND Although Osteopontin (OPN) has been reported to be associated with many different human cancers, the data on non-small cell lung cancer (NSCLC) are not definitive. This study aimed to explore the prognostic effect of OPN expression and clinicopathological characteristics in patients with NSCLC. METHODS This study followed all aspects of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) report. PubMed, Embase and the Cochrane Library were searched to identify the relative studies. The pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated to estimate the prognostic value of the OPN in patients with NSCLC. The odds ratio (OR) was calculated to represent the relationship between OPN expression and clinicopathological parameters. RESULTS A total of fifteen studies with 2173 participants were finally included. The results revealed that high expression of OPN was significantly associated with poorer overall survival (OS) (HR = 1.89; 95%CI = 1.68-2.11; p < 0.001). Moreover, a significant correlation was observed between increased OPN expression and poorly differentiated (well and moderately differentiated vs. poorly differentiated; pooled OR = 0.38; 95% CI = 0.23-0.64; p < 0.001), lymph node metastasis (absence vs. presence; pooled OR = 0.49; 95%CI = 0.32-0.74; p < 0.001), and distant metastasis (absence vs. presence; pooled OR = 0.18; 95%CI = 0.11-0.29; p < 0.001). CONCLUSION This meta-analysis implies that OPN might be a valuable biomarker for a poor prognosis and poor clinicopathological outcomes for patients with NSCLC.
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Affiliation(s)
- Yu Song
- Department of Thoracic Surgery, Chengdu First People's Hospital, Chengdu, China
| | - Haibo Li
- Department of Thoracic Surgery, Chengdu First People's Hospital, Chengdu, China
| | - Qing Jiang
- Department of Thoracic Surgery, Chengdu First People's Hospital, Chengdu, China
| | - Lianghong Wu
- Department of Thoracic Surgery, Chengdu First People's Hospital, Chengdu, China
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Osteopontin: A Bone-Derived Protein Involved in Rheumatoid Arthritis and Osteoarthritis Immunopathology. Biomolecules 2023; 13:biom13030502. [PMID: 36979437 PMCID: PMC10046882 DOI: 10.3390/biom13030502] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/24/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Osteopontin (OPN) is a bone-derived phosphoglycoprotein related to physiological and pathological mechanisms that nowadays has gained relevance due to its role in the immune system response to chronic degenerative diseases, including rheumatoid arthritis (RA) and osteoarthritis (OA). OPN is an extracellular matrix (ECM) glycoprotein that plays a critical role in bone remodeling. Therefore, it is an effector molecule that promotes joint and cartilage destruction observed in clinical studies, in vitro assays, and animal models of RA and OA. Since OPN undergoes multiple modifications, including posttranslational changes, proteolytic cleavage, and binding to a wide range of receptors, the mechanisms by which it produces its effects, in some cases, remain unclear. Although there is strong evidence that OPN contributes significantly to the immunopathology of RA and OA when considering it as a common denominator molecule, some experimental trial results argue for its protective role in rheumatic diseases. Elucidating in detail OPN involvement in bone and cartilage degeneration is of interest to the field of rheumatology. This review aims to provide evidence of the OPN’s multifaceted role in promoting joint and cartilage destruction and propose it as a common denominator of AR and OA immunopathology.
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Luo W, Lin Z, Yuan Y, Wu Z, Zhong W, Liu Q. Osteopontin (OPN) alleviates the progression of osteoarthritis by promoting the anabolism of chondrocytes. Genes Dis 2022. [DOI: 10.1016/j.gendis.2022.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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Bai RJ, Liu D, Li YS, Tian J, Yu DJ, Li HZ, Zhang FJ. OPN inhibits autophagy through CD44, integrin and the MAPK pathway in osteoarthritic chondrocytes. Front Endocrinol (Lausanne) 2022; 13:919366. [PMID: 36034459 PMCID: PMC9411521 DOI: 10.3389/fendo.2022.919366] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background To investigate whether osteopontin (OPN) affects autophagy in human osteoarthritic chondrocytes and determine the roles of CD44, αvβ3 integrin and the Mitogen-activated protein kinase (MAPK) pathway in this progress. Methods First, we compared the autophagy levels in the human osteoarthritis (OA) and normal cartilage, then, we cultured human OA chondrocytes in vitro and treated cells with recombinant human OPN (rhOPN) to determine autophagy changes. Next, the anti-CD44 and anti-CD51/61 monoclonal antibodies (Abs) or isotype IgG were used to determine the possible role of CD44 and αvβ3 integrin; subsequently, an inhibitor of the ERK MAPK pathway was used to investigate the role of ERK MAPK. Western blotting was used to measure the Beclin1, LC3 II and MAPK proteins expressions, mRFP-GFP-LC3 confocal imaging and transmission electron microscopy were also used to detect the autophagy levels. Cell Counting Kit-8 (CCK-8) was used to assay the proliferation and activity of chondrocytes. Results The LC3 protein was greatly decreased in OA cartilage compared to normal cartilage, and OPN suppressed the autophagy activity in chondrocytes in vitro. Blocking experiments with anti-CD44 and anti-CD51/61 Abs indicated that OPN could suppress the expression of LC3II and Beclin1 through αvβ3 integrin and CD44. Our results also indicated that the ratio of p-ERK/ERK but not p-P38/P38 and p-JNK/JNK was increased after the rhOPN treatment. The ERK inhibitor inhibited the activity of OPN in the suppression of autophagy, and the CCK-8 results showed that rhOPN could promote chondrocyte proliferation. Conclusion OPN inhibited chondrocyte autophagy through CD44 and αvβ3 integrin receptors and via the ERK MAPK signaling pathway.
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Affiliation(s)
- Rui-Jun Bai
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Di Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Yu-Sheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jian Tian
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Deng-Jie Yu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Heng-Zhen Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Fang-Jie Zhang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Emergency Medicine, Xiangya Hospital, Central South University, Changsha, China
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5
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Chen M, Wang L, Li Y, Chen Y, Zhang H, Zhu Y, He R, Li H, Lin J, Zhang Y, Zhang C. Genetic Modifiers of Duchenne Muscular Dystrophy in Chinese Patients. Front Neurol 2020; 11:721. [PMID: 32849198 PMCID: PMC7403400 DOI: 10.3389/fneur.2020.00721] [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: 01/21/2020] [Accepted: 06/15/2020] [Indexed: 11/14/2022] Open
Abstract
Background: Duchenne muscular dystrophy (DMD) is a fatal, X-linked recessive muscle disorder characterized by heterogeneous progression and severity. We aimed to study the effects of single nucleotide polymorphisms (SNPs) in SPP1 and LTBP4 on DMD progression in Chinese patients. Methods: We genotyped LTBP4 haplotypes and the SPP1 promoter SNPs rs28357094, rs11730582, and rs17524488 in 326 patients registered in the neuromuscular database of The First Affiliated Hospital of Sun Yat-sen University. Kaplan-Meier curves and log-rank tests were used to estimate and compare median age at loss of ambulation, while Cox proportional hazard regression models were used as to analyze the effects of glucocorticoids treatments, DMD genotype, and SPP1/LTBP4 SNPs on loss of ambulation. Results: The CC/CT genotype at rs11730582 was associated with a 1.33-year delay in ambulation loss (p = 0.006), with hazard ratio 0.63 (p = 0.008), in patients with truncated DMD genotype and undergoing steroid treatment. On the other hand, rs17524488 in SPP1 and the IAAM/IAAM haplotype in LTBP4 were not associated with time to ambulation loss. Conclusions:SPP1 rs11730582 is a genetic modifier of the long-term effects of steroid treatment in Chinese DMD patients. Thus, any future clinical study in DMD should adjust for glucocorticoids use, DMD genotype, and SPP1 polymorphisms.
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Affiliation(s)
- Menglong Chen
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, Guangzhou, China.,Department of Neurology, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Liang Wang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yaqin Li
- Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yongjun Chen
- Department of Neurology, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Huili Zhang
- Department of Neurology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China
| | - Yuling Zhu
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ruojie He
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Huan Li
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jinfu Lin
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yu Zhang
- Department of Neurology, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Cheng Zhang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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OPN gene locus is associated with the risk of knee osteoarthritis: a case-control study. Biosci Rep 2019; 39:BSR20182023. [PMID: 30777930 PMCID: PMC6393225 DOI: 10.1042/bsr20182023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/29/2019] [Accepted: 02/12/2019] [Indexed: 12/13/2022] Open
Abstract
Background/aims: Studies have demonstrated that osteopontin (OPN) was associated with the severity and development of knee osteoarthritis (OA). Methods: The purpose of this case-control study was to investigate the association between OPN gene rs11730582 polymorphism and knee OA risk in a Chinese population. Genotyping was analyzed using standard PCR and restriction fragment length polymorphism (PCR-RFLP). Results: The present study found that C allele or CC genotype of OPN gene rs11730582 polymorphism was related to decreased risk for knee OA. Furthermore, positive associations were obtained amongst the females, and body mass index (BMI) < 25 kg/m2 groups. Conclusions: To sum up, the present study reveals that OPN gene rs11730582 polymorphism decreases the risk of knee OA in Chinese Han population.
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Borgonio-Cuadra VM, González-Huerta NC, Rojas-Toledo EX, Morales-Hernández E, Pérez-Hernández N, Rodríguez-Pérez JM, Tovilla-Zárate CA, González-Castro TB, Hernández-Díaz Y, López-Narváez ML, Miranda-Duarte A. Genetic association analysis of Osteopontin and Matrix Gla Protein genes polymorphisms with primary knee osteoarthritis in Mexican population. Clin Rheumatol 2019; 38:223-228. [PMID: 29777408 DOI: 10.1007/s10067-018-4146-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 05/07/2018] [Accepted: 05/10/2018] [Indexed: 11/27/2022]
Abstract
Primary osteoarthritis (OA) is a complex entity in which several loci related to different molecular pathways or classes of molecules are associated with its development as demonstrated through genetic association studies. Genes involved in bone formation and mineralization, such as osteopontin (OPN) and Matrix Gla protein (MGP), could also be related with OA. The aim of this study was to evaluate the association between the genetic variants of OPN and MGP with primary knee osteoarthritis in a Mexican population. A case-control study was conducted in 296 patients with primary knee osteoarthritis and in 354 control subjects. Study groups were assessed radiologically. The rs11730582 of OPN and rs1800802, rs1800801, and rs4236 of MGP were determined by TaqMan allele discrimination assays. The haplotypes of the polymorphisms of MGP were constructed. The association was tested through univariate and multivariate non-conditional logistic regression analyses. The polymorphisms of MGP complied with Hardy-Weinberg (HW) equilibrium. The polymorphisms of OPN and MGP were not significantly associated with primary knee osteoarthritis in the codominant, dominant, and recessive models (p > 0.05). Our study suggests that there are no associations between OPN and MGP polymorphisms with primary knee osteoarthritis in Mexican population.
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Affiliation(s)
- Verónica Marusa Borgonio-Cuadra
- Departmento of Genética, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco No. 289, Col. Arenal Guadalupe, Deleg. Tlalpan, CP 14389, Mexico City, Mexico
| | - Norma Celia González-Huerta
- Departmento of Genética, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco No. 289, Col. Arenal Guadalupe, Deleg. Tlalpan, CP 14389, Mexico City, Mexico
| | - Emma Xochitl Rojas-Toledo
- Departmento of Genética, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco No. 289, Col. Arenal Guadalupe, Deleg. Tlalpan, CP 14389, Mexico City, Mexico
| | - Eugenio Morales-Hernández
- Departmento of Radiología, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco No. 289, Col. Arenal Guadalupe, Deleg. Tlalpan, CP 14389, Mexico City, Mexico
| | - Nonanzit Pérez-Hernández
- Departmento de Biología Molecular, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano 1, Col. Belisario Domínguez, Col. Sección XVI, Tlalpan, CP 14080, Mexico City, Mexico
| | - José Manuel Rodríguez-Pérez
- Departmento de Biología Molecular, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano 1, Col. Belisario Domínguez, Col. Sección XVI, Tlalpan, CP 14080, Mexico City, Mexico
| | - Carlos Alfonso Tovilla-Zárate
- División Académica Multidisciplinaria de Comalcalco, Universidad Juárez Autónoma de Tabasco, Ranchería Sur 4ta. Sección, 86658, Comalcalco, Tabasco, Mexico
| | - Thelma Beatriz González-Castro
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Carretera Estatal Libre Villahermosa-Comalcalco Km. 27+000 s/n, Ranchería Ribera Alta, 86205, Jalpa de Méndez, Tabasco, Mexico
| | - Yazmín Hernández-Díaz
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Carretera Estatal Libre Villahermosa-Comalcalco Km. 27+000 s/n, Ranchería Ribera Alta, 86205, Jalpa de Méndez, Tabasco, Mexico
| | - María Lilia López-Narváez
- Hospital General of Yajalón "Manuel Velasco Siles", Secretaría de Salud, Calzada Juana Hernández Zarco s/n, Hangares, 29930, Yajalón, Chiapas, Mexico
| | - Antonio Miranda-Duarte
- Departmento of Genética, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco No. 289, Col. Arenal Guadalupe, Deleg. Tlalpan, CP 14389, Mexico City, Mexico.
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Wang G, Cao Y, Wu T, Duan C, Wu J, Hu J, Lu H. Genetic factors of cervical spondylotic myelopathy-a systemic review. J Clin Neurosci 2017; 44:89-94. [PMID: 28734792 DOI: 10.1016/j.jocn.2017.06.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 06/19/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Cervical spondylotic myelopathy (CSM) is a degenerative disorder of the neck. Recent studies have reported the roles of single nucleotide polymorphisms and abnormal gene expression in the etiology and development of CSM. However, a systemic review of these findings is currently unavailable. METHODS A systemic review of genetic factors of CSM was conducted through searching PubMed and EMbase databases. A total of 9 studies were included in this study, which included 8 genes: brain derived neurotrophic factor (BDNF), osteopontin (OPN), bone morphogenic protein (BMP) 4, collagen IX, vitamin D receptor (VDR), apolipoprotein E (ApoE), hypoxia-inducible factor α (HIF-1α), and cyclooxygenase 2 (COX-2). RESULTS The polymorphisms of 6 genes (OPN, BMP-4, collagen IX, VDR, HIF-1α) showed significant association with the susceptibility to or risk of CSM. The polymorphisms of 3 genes (BMP-4, ApoE4, HIF-1α) were significantly associated with the postoperative outcome. The polymorphism of BDNF, VDR, and expression of COX-2 were associated with the severity of disease. CONCLUSION This review demonstrates that 8 genes were associated with CSM although there is no repeated study. This review also suggests that large scale and high quality studies are needed to provide more reliable evidence for future evaluation.
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Affiliation(s)
- Guohua Wang
- Department of Spine Surgery, The First Affiliated Hospital (Hunan Provincial People's Hospital), Hunan Normal University, Changsha, Hunan 410005, People's Republic of China; Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Yong Cao
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Tianding Wu
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Chunyue Duan
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Jianhuang Wu
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Jianzhong Hu
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China.
| | - Hongbin Lu
- Department of Sport Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China.
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Bai Z, Guo XH, Tang C, Yue ST, Shi L, Qiang B. Effects of Artesunate on the Expressions of Insulin-Like Growth Factor-1, Osteopontin and C-Telopeptides of Type II Collagen in a Rat Model of Osteoarthritis. Pharmacology 2017; 101:1-8. [PMID: 28898893 DOI: 10.1159/000479160] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 07/04/2017] [Indexed: 09/05/2024]
Abstract
OBJECTIVE The study aims to explore the effects of artesunate on insulin-like growth factor-1 (IGF-1), Osteopontin (OPN), and C-telopeptides of type II collagen (CTX-II) in serum, synovial fluid (SF), and cartilage tissues of rats with osteoarthritis (OA). METHODS OA models were established. Normal model, artesunate, and Viatril-S groups (20 rats respectively) were set. Enzyme-linked immunosorbent assay, IHC staining, and quantitative real-time polymerase chain reaction were conducted to calculate IGF-1, OPN, and CTX-II levels in serum, SF, and cartilage tissues of rats. The pathological changes in cartilage tissues were evaluated with Mankin score and Hematoxylin-Eosin staining. RESULTS Compared with the normal group, the model group showed increased IGF-1 level; decreased OPN, CTX-II levels in the serum and SF; and contrary results were seen in the cartilage tissues. A gradual ascending IGF-1 level and descending OPN and CTX-II levels existed in the serum and SF in the artesunate and Viatril-S groups after 2 weeks. The model group showed the most obvious pathological changes and highest Mankin score compared with the other groups. Higher IGF-1 level and lower OPN, CTX-II levels were exhibited in the cartilage tissue in the artesunate and Viatril-S groups but not in the model group. CONCLUSION Artesunate and Viatril-S inhibit OA development by elevating IGF-1 level and reducing OPN and CTX-II levels.
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Affiliation(s)
- Zhe Bai
- The Third Department of Orthopedics, The Fifth Hospital of Harbin, Harbin, PR China
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Gao SG, Yu Y, Zeng C, Lu ST, Tian J, Cheng C, Li LJ, Lei GH. Phosphorylation of osteopontin has proapoptotic and proinflammatory effects on human knee osteoarthritis chondrocytes. Exp Ther Med 2016; 12:3488-3494. [PMID: 27882184 DOI: 10.3892/etm.2016.3784] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 09/09/2016] [Indexed: 12/18/2022] Open
Abstract
The aim of the present study was to investigate the effects of phosphorylated osteopontin (p-OPN) on apoptosis and pro-inflammatory cytokine expression in human knee osteoarthritis (OA) chondrocytes. Human knee OA chondrocytes obtained from patients who underwent total knee arthroplasty were treated with p-OPN, OPN or buffer. Reverse transcription quantitative-polymerase chain reaction (RT-qPCR) and western blot analysis were used to assess the expression levels of proinflammatory factors, including interleukin (IL)-1β, tumor necrosis factor (TNF)-α, IL-6 and nuclear factor (NF)-κB. Apoptosis of human knee OA chondrocytes was detected by Annexin V-fluorescein isothiocyanate/propidium iodide flow cytometry. Compared with the controls, chondrocytes treated with OPN exhibited higher mRNA and protein expression levels of proinflammatory factors (IL-1β, TNF-α, IL-6 and NF-κB), and a higher percentage of apoptotic chondrocytes. Furthermore, chondrocytes treated with p-OPN exhibited the highest mRNA and protein expression levels of proinflammatory factors (IL-1β, TNF-α, IL-6, NF-κB) and the highest percentage of apoptotic chondrocytes. p-OPN induces chondrocyte apoptosis and proinflammatory factor release, which suggests that p-OPN may contribute to OA pathogenesis, and inhibition of p-OPN may provide a novel effective strategy to slow or halt OA progression.
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Affiliation(s)
- Shu-Guang Gao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Yang Yu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
| | - Chao Zeng
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Shi-Tao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
| | - Jian Tian
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Chao Cheng
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, Yiyang Central Hospital, Yiyang, Hunan 413000, P.R. China
| | - Liang-Jun Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, Changsha Central Hospital, Changsha, Hunan 410004, P.R. China
| | - Guang-Hua Lei
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Research Center of Clinical Skills of Joint Surgery of Hunan Province, Changsha, Hunan 410008, P.R. China
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Sun Y, Li D, Lv XH, Hua SC, Han JC, Xu F, Li XD. Roles of osteopontin and matrix metalloproteinase-7 in occurrence, progression, and prognosis of nonsmall cell lung cancer. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2016; 20:1138-46. [PMID: 26958047 PMCID: PMC4766819 DOI: 10.4103/1735-1995.172980] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND This study detected osteopontin (OPN) and matrix metalloproteinase-7 (MMP-7) expressions to explore the roles of OPN and MMP-7 in the occurrence, progression, and prognosis of nonsmall cell lung cancer (NSCLC). MATERIALS AND METHODS A retrospective study was conducted on NSCLC tissues (n = 152; case group) and adjacent nonneoplastic lung parenchyma (adjacent to tumor >5 cm; n = 152; control group) collected from 152 NSCLC patients. The protein expressions of OPN and MMP-7 were detected by immunohistochemistry. OPN and MMP-7 messenger RNA (mRNA) expressions were detected by reverse transcription polymerase chain reaction (RT-PCR). RESULTS The protein and mRNA expressions of OPN and MMP-7 in NSCLC tissues were evidently higher than those in adjacent nonneoplastic lung parenchyma (all P < 0.05). OPN protein and mRNA expression were associated with the degree of differentiation, tumor node metastasis (TNM) staging, and lymph node metastasis in NSCLC (all P < 0.05). MMP-7 protein expression was associated with TNM staging and lymph node metastasis (both P < 0.05) while MMP-7 mRNA expression was associated with the degree of differentiation, TNM staging, and lymph node metastasis (all P < 0.05). A significantly positive relativity was revealed between OPN expression and MMP-7 expression (protein: r = 0.789, P < 0.001; mRNA: r = 0.377, P < 0.001). Lymph node metastasis, TNM staging, OPN, and MMP-7 protein expressions were independent risk factors for the prognosis of NSCLC (all P < 0.05). CONCLUSION High MMP-7 and OPN protein expressions are closely related to the occurrence, progression, and prognosis of NSCLC, and can be served as unfavorable prognostic factors for NSCLC.
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Affiliation(s)
- Ying Sun
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Dan Li
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Xiao-Hong Lv
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Shu-Cheng Hua
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Ji-Chang Han
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Feng Xu
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Xian-Dong Li
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
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Zeng C, Gao SG, Lei GH. Response to 'OPN gene polymorphisms influence the risk of knee OA and OPN levels in synovial fluid in a Chinese population'. Arthritis Res Ther 2015; 16:433. [PMID: 25606601 PMCID: PMC4177154 DOI: 10.1186/s13075-014-0433-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Association of SPP1 promoter variants with hip osteoarthritis susceptibility in Chinese population. Gene 2015; 564:9-13. [PMID: 25796600 DOI: 10.1016/j.gene.2015.03.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 03/09/2015] [Accepted: 03/14/2015] [Indexed: 02/05/2023]
Abstract
Three genetic variants in the promoter of SPP1 (secreted phosphoprotein 1) gene have been reported to affect transcriptional activity of SPP1, thus conferring an increased risk for some diseases. To testify if these variants are associated with risk of hip osteoarthritis (OA) as well, we performed a case-control study including 389 hip OA patients and 315 healthy controls. Genotypes of SPP1 were determined by DNA sequencing, and differential expressions of SPP1 in relation with genotypes were evaluated by RT-PCR and ELISA. The results showed that rs17524488 (delG>insG) increased the risk of hip OA, with the adjusted OR 1.48 (95% CI 1.18-1.85, P<0.01) for risk allele insG, 1.90 (95% CI 1.35-2.66, P<0.01) for delG/insG and 2.04 (95% CI 1.20-3.49, P<0.01) for insG/insG respectively. However, as for rs11730582 (T>C), the adjusted ORs were 1.18 (95% CI 0.94-1.49, P=0.148) for allele C, 1.26 (95% CI 0.90-1.75, P=0.158) for TC, and 1.31 (95% CI 0.77-2.24, P=0.293) for CC, indicating no association of rs11730582 with hip OA risk. The variant rs28357094 was not observed in the tested subjects. Furthermore, the delG/insG and insG/insG genotypes of rs17524488 both correlated with higher levels of SPP1 expression in articular cartilage (P<0.01 for all comparisons) as well as in in synovial fluid (P<0.01 for all comparisons) compared with delG/delG, while rs11730582 had no effect on the SPP1 expression (P>0.05 for all comparisons). These results collectively indicate that the genetic variant rs17524488 in SPP1 promoter confers high risk for hip OA in a Chinese population, possibly through enhancing SPP1 expression.
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Haider HM, Amin IR, Ahmad KA. Plasma and synovial osteopontin levels, are they associated with disease severity of primary knee osteoarthritis in Egyptian patients? EGYPTIAN RHEUMATOLOGIST 2015. [DOI: 10.1016/j.ejr.2014.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kaleta B. Role of osteopontin in systemic lupus erythematosus. Arch Immunol Ther Exp (Warsz) 2014; 62:475-82. [PMID: 24917428 PMCID: PMC4244532 DOI: 10.1007/s00005-014-0294-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 04/07/2014] [Indexed: 12/23/2022]
Abstract
Systemic lupus erythematosus (SLE) is a multisystemic disease, caused by a variety of factors, which lead to immunological abnormalities. Osteopontin (OPN) is a pleiotropic protein, important in bone remodeling and immune system signaling. OPN, produced by various cells, including immune cells, plays a key role in regulating T-helper 1/T-helper 2 balance, stimulating B lymphocytes to produce antibodies, regulating macrophages, neutrophils and inducing dendritic cells. OPN expression is influenced by genetic polymorphisms of its promoter, hormones and cytokines. Over expression of OPN has been associated with the pathogenesis of immune-mediated diseases. OPN has been implicated in the development of murine model of lupus and in humans with SLE. In this review, I will present current state of research on the role of OPN and OPN gene polymorphisms in pathogenesis and clinical course of SLE. A better understanding of the role of OPN in SLE will contribute to more precise diagnosis and treatment of the disease.
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Affiliation(s)
- Beata Kaleta
- Department of Clinical Immunology, Transplantation Institute, Medical University of Warsaw, Nowogrodzka 59, 02-006, Warsaw, Poland,
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Association of osteopontin with osteoarthritis. Rheumatol Int 2014; 34:1627-31. [DOI: 10.1007/s00296-014-3036-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 04/23/2014] [Indexed: 11/27/2022]
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Serum osteopontin, but not OPN gene polymorphism, is associated with LVH in essential hypertensive patients. J Mol Med (Berl) 2013; 92:487-95. [PMID: 24370940 DOI: 10.1007/s00109-013-1099-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2013] [Revised: 09/24/2013] [Accepted: 10/31/2013] [Indexed: 01/12/2023]
Abstract
UNLABELLED This study aims to investigate the role of osteopontin (OPN) genetic polymorphisms in the occurrence of left ventricular hypertrophy (LVH) in Chinese patients with essential hypertension (EH). A total of 1,092 patients diagnosed with EH were recruited. Three single nucleotide polymorphisms (SNP) on the promoter region of the OPN gene, including -66T/G, -156G/GG, and -443C/T were genotyped. The serum thrombin-cleaved OPN levels were studied. Patients were divided into LVH+ (n = 443) and the LVH- (n = 649) groups. We found that none of the studied SNPs in the OPN gene was associated with the risk and severity of LVH. The SNPs in the OPN gene did not correlate with the serum OPN levels. However, the serum thrombin-cleaved OPN levels were found to be an independent risk factor for LVH in the EH patients. Multivariate logistic regression analysis showed that serum thrombin-cleaved OPN levels were independently associated with the development of LVH (adjusted OR = 2.47, 95 % CI 1.56-4.01, adjusted P < 0.001). In vitro studies showed that the thrombin-cleaved OPN treatment increased the protein content per cell, the cardiomyocyte surface size, and the expression level of atrial natriuretic peptide protein in a dose-dependent manner. The thrombin-cleaved OPN serum level, but not OPN gene polymorphism, is associated with the development of LVH in EH patients. KEY MESSAGES Serum OPN is related to LVH incidence in essential hypertension subjects. OPN stimulates cardiomyocyte hypertrophy in vitro. OPN SNPs are not related to LVH incidence.
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Gonzalez A. Osteoarthritis year 2013 in review: genetics and genomics. Osteoarthritis Cartilage 2013; 21:1443-51. [PMID: 23845519 DOI: 10.1016/j.joca.2013.07.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 06/10/2013] [Accepted: 07/01/2013] [Indexed: 02/02/2023]
Abstract
Progress in genetic research has delivered important highlights in the last year. One of the widest impact is the publication of the Encyclopedia of DNA Elements (ENCODE) project showing the impressive complexity of the human genome and providing information useful for all areas of genetics. More specific of osteoarthritis (OA) has been the incorporation of DOT1-like, histone H3 methyltransferase (DOT1L) to the list of 11 OA loci with genome-wide significant association, the demonstration of significant overlap between OA genetics and height or body mass index (BMI) genetics, and the tentative prioritization of HMG-box transcription factor 1 (HBP1) in the 7q22 locus based on functional analysis. In addition, the first large scale analysis of DNA methylation has found modest differences between OA and normal cartilage, but has identified a subgroup of OA patients with a very differentiated phenotype. The role of DNA methylation in regulation of NOS2, SOX9, MMP13 and IL1B has been further clarified. MicroRNA expression studies in turn have shown some replication of differences between OA and control cartilage from previous profiling studies and have identified potential regulators of TGFβ signaling and of IL1β effects. In addition, non-coding RNAs showed promising results as serum biomarkers of cartilage damage. Gene expression microarray studies have found important differences between studies of hip or knee OA that reinforce the idea of joint specificity in OA. Expression differences between articular cartilage and other types of cartilage highlighted the WNT pathway whose regulation is proposed as critical for maintaining the articular cartilage phenotype. Many of these results need confirmation but they signal the exciting progress that is taking place in all areas of OA genetics, indicate questions requiring more study and augur further interesting discoveries.
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Affiliation(s)
- A Gonzalez
- Instituto de Investigación Sanitaria - Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain.
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Lafeber FPJG, van Spil WE. Osteoarthritis year 2013 in review: biomarkers; reflecting before moving forward, one step at a time. Osteoarthritis Cartilage 2013; 21:1452-64. [PMID: 23954702 DOI: 10.1016/j.joca.2013.08.012] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Revised: 07/25/2013] [Accepted: 08/03/2013] [Indexed: 02/02/2023]
Abstract
In 2010, in Osteoarthritis and Cartilage, we published a comprehensive systematic review applying the consensus BIPED criteria (Burden of Disease, Investigative, Prognostic, Efficacy of Intervention and Diagnostic) criteria on serum and urinary biochemical markers for knee and hip osteoarthritis (OA) using publications that were available at that time. It appeared that none of the biochemical markers at that time were sufficiently discriminating to allow diagnosis and prognosis of OA in individual or limited numbers of patients, nor performed so consistently that they could function as primary outcome parameters in clinical trials. Also at present, almost 3 years later, this ultimate goal has not been reached (yet). Frankly, it might be questioned whether we are making the most adequate steps ahead and maybe we have to take a step back to reconsider our approaches. Some reflections are made and discussed: A critical review of molecular metabolism in OA and validation of currently investigated marker molecules in this may be vital and may lead to new and better markers. Creating cohorts in which synovial fluid (SF) is obtained in a systematic way, together with serum and urine, may also bring the field a further step ahead. Thirdly, better understanding of different phenotypes (subtypes) of OA may facilitate identification and validation of biochemical markers. Finally, the systems biology approach as discussed in the last years OA in review on biomarkers, although very complex, might provide steps forward. Looking ahead, we are optimistic but realistic in our expectations, we believe that the field can be brought forward by critically and cautiously reconsidering our approaches, and making changes forward, one step at a time.
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Affiliation(s)
- F P J G Lafeber
- Rheumatology & Clin. Immunol., University Medical Centre Utrecht, The Netherlands.
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Ramchandani D, Weber GF. An osteopontin promoter polymorphism is associated with aggressiveness in breast cancer. Oncol Rep 2013; 30:1860-8. [PMID: 23900428 DOI: 10.3892/or.2013.2632] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 07/01/2013] [Indexed: 11/06/2022] Open
Abstract
Metastasis-related genes are deregulated in cancer by aberrant expression or splicing. Here, we analyzed polymorphic sites in the osteopontin promoter as potential contributors to aberrant expression in breast cancers. This study comprised 241 breast cancer specimens, for which DNA from normal surrounding tissue was available for 111, and 65 healthy breast samples. The polymorphic site in position -443 of the promoter was associated with tumor grade. As expected, there was no association between promoter single nucleotide polymorphisms (SNPs) and tumor stage or in situ carcinoma versus cancer, as stage and early transformation are determined by the sampling time more than by tumor genetics. In a subset of samples, osteopontin RNA expression levels had previously been obtained. The allelic distribution in positions -443 and -1748 was distinct between high and low expressors, confirming the importance of promoter SNPs. These two sites also form a haplotype. Osteopontin expression has been associated with breast cancer progression, regardless of the histological subtype of the cancer. Remarkably, the polymorphic site at -443, but not -1748 or -1776, showed differences between ER-positive and ER-negative breast cancers and between PR-positive and PR-negative breast cancers, but there was no association with HER2 status. In five cases, the genotype of the tumor was different from the genotype of the host, implying the possibility of somatic mutations in the osteopontin promoter that may affect expression. Our results corroborate that the osteopontin promoter SNPs -443 (rs11730582) and -1748 (rs2728127) are important for gene expression and breast cancer aggressiveness.
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Affiliation(s)
- Divya Ramchandani
- University of Cincinnati Academic Health Center, College of Pharmacy, Cincinnati, OH 45267-0004, USA
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