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Manzano-Moreno FJ, Gónzalez-Acedo A, de Luna-Bertos E, García-Recio E, Ruiz C, Reyes-Botella C. Effect of amoxicillin and clindamycin on the gene expression of markers involved in osteoblast physiology. J Dent Sci 2024; 19:990-997. [PMID: 38618075 PMCID: PMC11010622 DOI: 10.1016/j.jds.2023.07.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/10/2023] [Indexed: 04/16/2024] Open
Abstract
Background/purpose Amoxicillin and clindamycin are the most effective decontaminants for intraoral bone grafts before their application in bone regeneration without cytotoxic effects on osteoblasts, but their effects on the gene expression of markers involved in osteoblast growth and differentiation remain unclear. The study objective was to determine the effects of amoxicillin and clindamycin on the gene expression of markers involved in osteoblast growth and differentiation. Materials and methods Real-time polymerase chain reaction (RT-PCR) was performed to explore the effect of 150 μg/mL clindamycin or 400 μg/mL amoxicillin on the gene expression by primary human osteoblasts (HOBs) of runt-related transcription factor 2 (Runx-2), osterix (OSX), alkaline phosphatase (ALP), osteocalcin (OSC), osteoprotegerin (OPG), receptor activator for nuclear factor κ B ligand (RANKL), type I collagen (Col-I), bone morphogenetic proteins 2 and 7 (BMP-2 and BMP-7), TGF-β1 and TGF-β receptors (TGF-βR1, TGF-βR2, and TGF-βR3), and vascular endothelial growth factor (VEGF). Results Treatment with 150 μg/mL clindamycin significantly increased the gene expression of TFG-β1, TGF-βR1, TGF-βR2, TGF-βR3, RUNX-2, Col-1, OSX, OSC, BMP-2, BMP-7, ALP, VEGF, and RANKL by HOBs. Treatment with 400 μg/mL amoxicillin significantly increased the gene expression of TGF-β R1, Col-I, OSC, RANKL, and OPG alone. Conclusion These findings suggest that 150 μg/mL clindamycin is the decontaminant of choice to treat intraoral bone grafts before their application in bone regeneration. The osteogenic and antibacterial properties of clindamycin can favor and accelerate the integration of bone grafts in the oral cavity.
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Affiliation(s)
- Francisco Javier Manzano-Moreno
- Biomedical Group (BIO277), Department of Stomatology, School of Dentistry, University of Granada, Granada, Spain
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
| | - Anabel Gónzalez-Acedo
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
- Biomedical Group (BIO277), Department of Nursing, Faculty of Hearth Science, University of Granada, Melilla, Spain
| | - Elvira de Luna-Bertos
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
- Biomedical Group (BIO277), Department of Nursing, Faculty of Hearth Science, University of Granada, Granada, Spain
| | - Enrique García-Recio
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
- Biomedical Group (BIO277), Department of Nursing, Faculty of Hearth Science, University of Granada, Melilla, Spain
| | - Concepción Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
- Biomedical Group (BIO277), Department of Nursing, Faculty of Hearth Science, University of Granada, Granada, Spain
- Institute of Neuroscience, University of Granada, Granada, Spain
| | - Candela Reyes-Botella
- Biomedical Group (BIO277), Department of Stomatology, School of Dentistry, University of Granada, Granada, Spain
- Instituto Investigación Biosanitaria, ibs.Granada, Spain
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Toledano-Osorio M, de Luna-Bertos E, Toledano M, Manzano-Moreno FJ, Costela-Ruiz V, Ruiz C, Gil J, Osorio R. Dexamethasone and doxycycline functionalized nanoparticles enhance osteogenic properties of titanium surfaces. Dent Mater 2023:S0109-5641(23)00114-8. [PMID: 37173196 DOI: 10.1016/j.dental.2023.05.004] [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: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
OBJECTIVES To evaluate the effect of doxycycline and dexamethasone doped nanoparticles covering titanium surfaces, on osteoblasts proliferation and differentiation. METHODS Doxycycline and dexamethasone doped polymeric nanoparticles were applied on titanium discs (Ti-DoxNPs and Ti-DexNPs). Undoped NPs and uncovered Ti discs were used as control. Human MG-63 osteoblast-like cells were cultured. Osteoblasts proliferation was tested by MTT assay. Alkaline phosphatase activity was analyzed. Differentiation gene expression was assessed by real-time quantitative polymerase chain reaction. Scanning Electron Microscopy was performed to assess osteoblasts morphology. Mean comparisons were conducted by ANOVA and Wilcoxon or Tukey tests (p < 0.05). RESULTS No differences in osteoblasts proliferation were found. Osteoblasts grown on Ti-DoxNPs significantly increased alkaline phosphatase activity. Doxycycline and dexamethasone nanoparticles produced an over-expression of the main osteogenic proliferative genes (TGF-β1, TGF-βR1 and TGF-βR2). The expression of Runx-2 was up-regulated. The osteogenic proteins (AP, OSX and OPG) were also overexpressed on osteoblasts cultured on Ti-DoxNPs and Ti-DexNPs. The OPG/RANKL ratio was the highest when DoxNPs were present (75-fold increase with respect to the control group). DexNPs also produced a significantly higher OPG/RANKL ratio with respect to the control (20 times higher). Osteoblasts grown on titanium discs were mainly flat and polygonal in shape, with inter-cellular connections. In contrast, osteoblasts cultured on Ti-DoxNPs or Ti-DexNPs were found to be spindle-shaped and had abundant secretions on their surfaces. SIGNIFICANCE DoxNPs and DexNPs were able to stimulate osteoblasts differentiation when applied on titanium surfaces, being considered potential inducers of osteogenic environment when performing regenerative procedures around titanium dental implants.
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Affiliation(s)
- Manuel Toledano-Osorio
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain; Medicina Clínica y Salud Pública PhD Programme, Spain
| | - Elvira de Luna-Bertos
- Biomedical Group (BIO277). Department of Nursing, Faculty of Health Sciences. University of Granada, Spain; Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain.
| | - Manuel Toledano
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain; Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain
| | - Francisco Javier Manzano-Moreno
- Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain; Biomedical Group (BIO277). Department of Stomatology, School of Dentistry, University of Granada, Spain
| | - Victor Costela-Ruiz
- Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain; Biomedical Group (BIO277). Department of Nursing, Faculty of Health Sciences, Campus de Ceuta. University of Granada, Spain
| | - Concepción Ruiz
- Biomedical Group (BIO277). Department of Nursing, Faculty of Health Sciences. University of Granada, Spain; Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain; Institute of Neuroscience, University of Granada, Centro de Investigación Biomédica (CIBM). Parque de Tecnológico de la Salud (PTS), Granada, Spain
| | - Javier Gil
- International University of Cataluña (UIC), Barcelona, Spain
| | - Raquel Osorio
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain; Instituto Investigación Biosanitaria, IBS. Granada, Granada, Spain
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Serum OPG and RANKL Levels as Risk Factors for the Development of Cardiovascular Calcifications in End-Stage Renal Disease Patients in Hemodialysis. Life (Basel) 2023; 13:life13020454. [PMID: 36836810 PMCID: PMC9967106 DOI: 10.3390/life13020454] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/19/2023] [Accepted: 01/29/2023] [Indexed: 02/09/2023] Open
Abstract
Cardiovascular calcifications (CVC) are frequently observed in chronic kidney disease (CKD) patients and contribute to their cardiovascular mortality. The aim of the present study was to investigate the impact of osteoprotegerin (OPG)/Receptor Activator of NF-κΒ (RANK)/RANK ligand (RANKL) pathway in the development and evolution of CVCs in hemodialysis patients. In total, 80 hemodialysis patients were assessed for the presence of vascular (abdominal aorta and muscular arteries) calcifications and results were correlated to serum OPG and RANKL levels and the OPG/RANKL ratio. Traditional cardiovascular risk factors and mineral bone disease parameters were also estimated. The presence of VCs was also evaluated 5 years after the initiation of the study, and results were correlated to the initial serum OPG levels. Age, diabetes mellitus, coronary artery disease and OPG levels (p < 0.001) were associated with VCs, whereas RANKL levels were not. Multivariate analysis though revealed that only OPG levels were significantly associated with abdominal aorta calcifications (p = 0.026), but they were not correlated with the progression of VCs. Serum OPG levels are positively and independently associated with VCs in HD patients, but not with their progression. RANKL levels did not show any associations, whereas further studies are needed to establish the significance of OPG/RANKL ratio.
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Dietary Supplementation of Calcium Propionate and Calcium Butyrate Improves Eggshell Quality of Laying Hens in the Late Phase of Production. J Poult Sci 2022; 59:64-74. [PMID: 35125914 PMCID: PMC8791774 DOI: 10.2141/jpsa.0200127] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 03/20/2021] [Indexed: 11/21/2022] Open
Abstract
The aim of this study was to evaluate the effects of dietary supplementation of calcium propionate and calcium butyrate on the laying performance, eggshell quality, and expression of genes related to calcium and phosphorus metabolism in the tibia. One hundred and twenty 70-week-old Isa Brown hens were randomly assigned to three treatments, and each treatment had four replicates of 10 birds fed a basal diet (control) or a basal diet supplemented with 0.5% calcium propionate (CP) or 0.5% calcium butyrate (CB) for 8 weeks. The CB and CP treatments had no significant effect (P>0.05) on the laying rate, egg production, egg weight, and feed efficiency. The eggshell percentage was increased from week 2 (P<0.05) and eggshell thickness was elevated at week 8 (P<0.01) by both CP and CB treatments. Compared to the control treatment, the CB treatment increased serum calcium and phosphorus levels at week 4 (P<0.05), whereas the CP and CB treatments decreased serum phosphorus at weeks 6 and 8, respectively (P<0.05). Dietary supplementation had no effect on the bone index and bending strength of the tibia (P>0.05). The calcium and phosphorus content of the tibia was decreased by the CB treatment (P<0.05). In the spleen, NF-κB and IL-6 transcript levels were not influenced (P>0.05) but TNF-α transcript levels were decreased by the CP treatment (P<0.05). In the tibia, the expression levels of NF-κB, TNF-α, and IL-17 were not affected by the CP or CB treatment (P>0.05). The CP and CB treatments had no significant effect on the transcript levels of RANKL, OPG, RNUX2, OPN, α-Clotho, and VDR (P>0.05). In contrast, PHEX transcript levels were increased by the CP treatment (P<0.05). The expression levels of osteocalcin (P=0.094) and FGF23 (P=0.087) tended to decrease under the CB treatment. In conclusion, dietary supplementation of 0.5% calcium butyrate or 0.5% calcium propionate improved the eggshell quality of aged laying hens, possibly as a result of decreased deposition or enhanced mobilization of bone calcium and phosphorus.
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Oh TR, Myeong C, Song SH, Choi HS, Suh SH, Kim CS, Bae EH, Chung W, Choi KH, Oh KH, Ma SK, Kim SW. Association between serum osteoprotegerin level and renal prognosis in nondialysis patients with chronic kidney disease in the Korean Cohort Study for Outcomes in Patients with Chronic Kidney Disease (the KNOW-CKD Study). Kidney Res Clin Pract 2021; 41:200-208. [PMID: 34974650 PMCID: PMC8995484 DOI: 10.23876/j.krcp.21.173] [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] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/09/2021] [Indexed: 11/20/2022] Open
Abstract
Background Osteoprotegerin is an important regulator of bone metabolism and vascular calcification. The association between serum osteoprotegerin level and chronic kidney disease (CKD) progression has not been elucidated. We investigated the prognostic value of serum osteoprotegerin levels in nondialysis CKD patients. Methods We analyzed 2,082 patients enrolled in the Korean Cohort Study for Outcomes in Patients with CKD between 2011 and 2016. Patients were divided into quartiles by their serum osteoprotegerin levels. The primary outcome was the occurrence of ≥1 of the following: dialysis initiation, kidney transplantation, a two-fold increase in serum creatinine level from baseline, or a 50% decrease in the estimated glomerular filtration rate (eGFR). Cox proportional hazard regression models were used to investigate the prognostic value of the serum osteoprotegerin level to CKD progression. Results The median follow-up period was 48.9 months, and 641 patients (30.8%) experienced the primary outcome. The hazard ratio of serum osteoprotegerin for renal progression in the full extended Cox proportional hazard model was 1.064 (95% confidence interval, 1.041–1.088). Subgroup analyses by age, presence of diabetes, and eGFR showed significant results consistent with the overall analysis results. Conclusion Serum osteoprotegerin level is independently associated with renal prognosis and could have prognostic importance in CKD progression.
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Affiliation(s)
- Tae Ryom Oh
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Chana Myeong
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Su Hyun Song
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Hong Sang Choi
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sang Heon Suh
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Chang Seong Kim
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Eun Hui Bae
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Wookyung Chung
- Department of Internal Medicine, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Kyu Hun Choi
- Department of Internal Medicine, Institute of Kidney Disease Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kook Hwan Oh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seong Kwon Ma
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Soo Wan Kim
- Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
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Aktsiali M, Papachrysanthou T, Griveas I, Andriopoulos C, Sitaras P, Triantafyllopoulos IK, Lambrou GI. Treatment with Cinacalcet in Hemodialysis Patients with Severe Secondary Hyperparathyroidism, Influences Bone Mineral Metabolism and Anemia Parameters. CURRENT DRUG THERAPY 2020. [DOI: 10.2174/1574885514666190802144629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Due to the premium rate of Chronic Kidney Disease, we have increased
our knowledge with respect to diagnosis and treatment of Bone Mineral Disease (BMD) in End-
Stage Renal Disease (ESRD). Currently, various treatment options are available. The medication
used for Secondary Hyper-Parathyroidism gives promising results in the regulation of Ca, P and
Parathormone levels, improving the quality of life. The aim of the present study was to investigate
the relation of cinacalcet administration to not only parathormone, Ca and P but also to anemia
parameters such as hematocrit and hemoglobin.
Materials and Methods:
retrospective observational study was conducted in a Chronic
Hemodialysis Unit. One-hundred ESRD patients were recruited for twenty-four months and were
evaluated on a monthly rate. Biochemical parameters were related to medication prescribed and the
prognostic value was estimated. Cinacalcet was administered to 43 out of 100 patients in a dose of
30-120 mg.
Results:
Significant differences were observed in PTH, Ca and P levels with respect to Cinacalcet
administration. Ca levels appeared to be higher at 30mg as compared to 60mg cinacalcet.
Furthermore, a decreasing age-dependent pattern was observed with respect to cinacalcet dosage. A
positive correlation was observed between Dry Weight (DW) and cinacalcet dose. Finally, a
positive correlation between Hematocrit and Hemoglobin and cinacalcet was manifested.
Conclusions:
Cinacalcet, is a potential cardiovascular and bone protective agent, which is approved
for use in ESRD patients to assist SHPT. A novel information was obtained from this study,
regarding the improvement of the control of anemia.
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Affiliation(s)
- Maria Aktsiali
- Private Dialysis Unit “Nefroiatriki”, Chlois 85 Str., 14452, Metamorfosi, Athens, Greece
| | | | - Ioannis Griveas
- 417 Veterans Army Administration Hospital of Athens, Monis Petraki 10-12, 11521, Athens, Greece
| | - Christos Andriopoulos
- Private Dialysis Unit “Nefroiatriki”, Chlois 85 Str., 14452, Metamorfosi, Athens, Greece
| | - Panagiotis Sitaras
- Private Dialysis Unit “Nefroiatriki”, Chlois 85 Str., 14452, Metamorfosi, Athens, Greece
| | - Ioannis K. Triantafyllopoulos
- Graduate Program “Metabolic Bones Diseases”, National and Kapodistrian University of Athens, Medical School, Mikras Asias 75, 11527, Goudi, Athens, Greece
| | - George I. Lambrou
- Graduate Program “Metabolic Bones Diseases”, National and Kapodistrian University of Athens, Medical School, Mikras Asias 75, 11527, Goudi, Athens, Greece
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Nikseresht M, Azarmehr N, Arya A, Alipoor B, Fadaei R, Khalvati B, Abidi H, Doustimotlagh AH. Circulating mRNA and plasma levels of osteoprotegerin and receptor activator of NF-κB ligand in nonalcoholic fatty liver disease. Biotechnol Appl Biochem 2020; 68:1243-1249. [PMID: 33010062 DOI: 10.1002/bab.2047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 09/30/2020] [Indexed: 01/13/2023]
Abstract
Pathogenesis of the beginning and progression of nonalcoholic fatty liver disease (NAFLD) has not been clarified exactly. The osteoprotegerin (OPG)/receptor activator of NF-κB ligand (RANKL) axis seems to play an imperative function in the onset and progression of this disease. The goal of the present study was to investigate the peripheral blood mononuclear cell (PBMC) expression and plasma levels of RANKL and OPG cytokines in NAFLD patients and compare them with healthy group. Plasma levels of OPG and RANKL were determined with ELISA kits in 57 men with NAFLD and 25 healthy men as controls. Biochemical and anthropometric parameters tests were also evaluated in the study groups. RANKL and OPG mRNA contents were evaluated by quantitative RT-PCR. OPG contents were markedly decreased in NAFLD patients as compared with healthy patients [1.43 (1.05-5.45)] versus [2.94 (1.76-4.73)] ng/mL; P = 0.007). The levels of RANKL were significantly reduced in NAFLD patients [74.00 (56.26-203.52) ng/mL] than in healthy patients [119.37 (83.71-150.13) ng/mL]; (P = 0.03). Also, OPG and RANKL gene expression were significantly decreased in NAFLD patients in comparison with the control group (P < 0.05). Moreover, receiver operating characteristic curve indicated that OPG may have a good capability to discriminate between NAFLD patients and normal individuals. A positive correlation was observed between OPG and RANKL in plasma sample (r = 0.495) (P = 0.000). Decreased plasma levels and gene expression of RANKL and OPG cytokines in NAFLD patients indicate that there is a relationship between these cytokines and the pathology of NAFLD disease. Confirmation of this association as well as the mechanism and role of these cytokines in NAFLD require further studies.
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Affiliation(s)
- Mohsen Nikseresht
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Nahid Azarmehr
- Student Research Committee, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Arash Arya
- Internal medicine Department, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Behnam Alipoor
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Reza Fadaei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Bahman Khalvati
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Hassan Abidi
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Amir Hossein Doustimotlagh
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran.,Department of Clinical Biochemistry, Faculty of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran
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Fu D, Qin K, Yang S, Lu J, Lian H, Zhao D. Proper mechanical stress promotes femoral head recovery from steroid-induced osteonecrosis in rats through the OPG/RANK/RANKL system. BMC Musculoskelet Disord 2020; 21:281. [PMID: 32359349 PMCID: PMC7196225 DOI: 10.1186/s12891-020-03301-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/21/2020] [Indexed: 12/15/2022] Open
Abstract
Background Long-term use of steroid may lead to osteonecrosis of the femoral head (ONFH). Mechanical stress may help bone formation and remodeling. This study aimed to probe the role of mechanical stress in the femoral head recovery in rats. Methods Rat models with ONFH were induced by steroid. Rats were subjected to different levels of mechanical stress (weight-bearing training), and then the morphology and bone density of femoral head of rats were measured. The mRNA and protein levels of the OPG/RANK/RANKL axis in rat femoral head were assessed. Gain- and loss-of function experiments of OPG were performed to identify its role in femoral head recovery following stress implement. The ex vivo cells were extracted and the effects of stress and OPG on osteogenesis in vitro were explored. Results Steroid-induced ONFH rats showed decreased bone density and increased bone spaces, as well as necrotic cell colonies and many cavities in the cortical bones and trabeculars. Proper mechanical stress or upregulation of OPG led to decreased RANK/RANKL expression and promoted femoral head recovery from steroid-induced osteonecrosis. However, excessive mechanical stress might impose too much load on the femurs thus leading even retard femoral head recovery process. In addition, the in vitro experimental results supported that proper stress and overexpression of OPG increased the osteogenesis of ex vivo cells of femoral head. Conclusion This study provided evidence that proper mechanical stress promoted femoral head recovery from steroid-induced osteonecrosis through the OPG/RANK/RANKL system, while overload might inhibit the recovery process. This study may offer novel insights for ONFH treatment.
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Affiliation(s)
- Dapeng Fu
- Department of Biomedical engineering, Dalian University of Technology, Dalian, 116024, Liaoning, People's Republic of China.,Department of Orthopaedics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Zhongshan District, Dalian, 116001, Liaoning, People's Republic of China
| | - Kairong Qin
- Department of Biomedical engineering, Dalian University of Technology, Dalian, 116024, Liaoning, People's Republic of China
| | - Sheng Yang
- Department of Orthopaedics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Zhongshan District, Dalian, 116001, Liaoning, People's Republic of China
| | - Jianmin Lu
- Department of Orthopaedics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Zhongshan District, Dalian, 116001, Liaoning, People's Republic of China
| | - Haoyi Lian
- Department of Orthopaedics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Zhongshan District, Dalian, 116001, Liaoning, People's Republic of China
| | - Dewei Zhao
- Department of Biomedical engineering, Dalian University of Technology, Dalian, 116024, Liaoning, People's Republic of China. .,Department of Orthopaedics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Zhongshan District, Dalian, 116001, Liaoning, People's Republic of China.
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Song M, Lin X, Zhao J, Wang X, Jiao H, Li H, Sun S, Lin H. High frequency vaccination-induced immune stress reduces bone strength with the involvement of activated osteoclastogenesis in layer pullets. Poult Sci 2020; 99:734-743. [PMID: 32029158 PMCID: PMC7587667 DOI: 10.1016/j.psj.2019.12.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/02/2019] [Indexed: 12/29/2022] Open
Abstract
In poultry production, vaccination is an effective measure to protect chickens from diseases. Vaccination, however, is a stressor that may induce stress responses that interfere with the growth and development of chickens. The interaction between the skeletal and immune systems on bone quality has gained more attention. In the present study, the influence of high frequency vaccinations on the bone development of layer pullets was investigated. Thirty 35-day-old SPF White Leghorn layer pullets were obtained and randomly subjected to the following treatments: vaccinated against Newcastle disease (ND) with LoSota vaccine once at 35-day-old (V1, control); 4 times at 35, 49, 63, and 77 d of age (V4); and 7 times at 35, 42, 49, 56, 63, 70, and 77 d of age (V7). The body weight and organ index of the spleen, thymus, and tibia were recorded. The antibody titer and serum and the tibia calcium and phosphorus concentrations were measured. The transcription levels of the IL-6, IL-17, TNF-α, receptor activator of NF-κB ligand (RANKL), and osteoprotegerin (OPG) genes were determined in spleen, thymus, and the tibia. The results showed that V7 decreased body weight and increased the ND antibody titer, compared to V1-chickens. The expression levels of IL-6, IL-17, and TNF-α were upregulated in spleen, thymus, and the tibia of V7 chickens. In the tibia, RANKL was upregulated, while OPG was downregulated by V7 treatment. The results indicate that high frequency vaccination induces immune stress and impairs bone development. The results suggest that the augmented cytokine expression in immune organs and the tibia is associated with activation of the OPG/RANKL pathway, which, in turn, enhances osteoclastogenesis. The appropriate frequency of vaccination should support optimal bone development and full immunoprotection in layer pullets.
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Affiliation(s)
- Mengze Song
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Xiaoyan Lin
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Jingpeng Zhao
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Xiaojuan Wang
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Hongchao Jiao
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Haifang Li
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Shuhong Sun
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018
| | - Hai Lin
- Department of Animal Science, Shandong Agricultural University, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong, P. R. China 271018.
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Huang TB, Li YZ, Yu K, Yu Z, Wang Y, Jiang ZW, Wang HM, Yang GL. Effect of the Wnt signal-RANKL/OPG axis on the enhanced osteogenic integration of a lithium incorporated surface. Biomater Sci 2019; 7:1101-1116. [PMID: 30633253 DOI: 10.1039/c8bm01411f] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Bone remolding involves the formation of new bone by osteoblasts and the absorption of old bones by osteoclasts. Due to the vital role of osteoblasts and osteoclasts during bone regeneration, it might be feasible to promote osseointegration around the titanium implants by stimulating osteoblasts and inhibiting osteoclasts by modifying the surfaces of the implants. Lithium is used in the treatment of psychiatric patients, and it may be associated with osteogenesis. In this study, lithium was incorporated with sandblasted, large-grit and acid-etched titanium implants via a hydrothermal treatment. In vitro, the nano-scale surface enhanced the adhesion and proliferation of bone marrow mesenchymal stem cells (BMSCs). Moreover, the SLA-Li surface displayed a negative effect on the process of osteoclastogenesis. Further mechanism analysis indicated that the canonical Wnt/β-catenin signaling pathway was activated according to the results of RT-PCR and western blotting. More importantly, the RANKL/OPG signaling axis was also involved in these effects on the SLA-Li surface. The experiments in vivo proved that the SLA-Li surface could induce the bone formation and osseointegration during the early osseointegration after the dental implant surgery. These results suggested that bone homeostasis could be manipulated by an SLA-Li surface, which implied that this new surface might serve as a promising material for clinical application in the future.
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Affiliation(s)
- Ting-Ben Huang
- Department of Implantology, Stomatology Hospital, School of Medicine, Zhejiang University, Yan'an Road, Hangzhou, P. R. China.
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11
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Zhao L, Li M, Sun H. Effects of dietary calcium to available phosphorus ratios on bone metabolism and osteoclast activity of the OPG /RANK/RANKL signalling pathway in piglets. J Anim Physiol Anim Nutr (Berl) 2019; 103:1224-1232. [PMID: 31062421 DOI: 10.1111/jpn.13115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/19/2019] [Accepted: 04/07/2019] [Indexed: 12/12/2022]
Abstract
Hydroxyapatite, a mineral form of calcium (Ca) and phosphorus (P) that gives bones their rigidity, is the major and essential component of bones and teeth in the human and animal body. A suitable ratio of Ca and P is vital for bone growth. The aim of this study was to explore the effects of dietary calcium to available phosphorus ratios (Ca/AP) on bone metabolism and osteoclast activity of the osteoprotegerin (OPG)/receptor activator of nuclear factor kappa B ligand (RANKL) signalling pathway in piglets. At days 15 and 29, the piglets were assessed for growth performance, blood indicators, cytokines and the OPG/RANK/RANKL signalling pathway. Our results showed that piglets fed a dietary Ca/AP ratio of 2:1 increases growth performance and regulates blood indicators and cytokines (parathyroid hormone (PTH), calcitonin (CT), vitamin D3 (VD3 ), insulin-like growth factor-1 (IGF-1), transforming growth factor-β (TGF-β), interleukin-1 (IL-1), interleukin-6 (IL-6), carboxyterminal propeptide of type I procollagen (PICP), tartrate-resistant acid phosphatase (TRACP), alkaline phosphatase (ALP) and osteocalcin (OCN) content). We also demonstrated that this ratio affects hormone secretion and further bone metabolism through the OPG/RANK/RANKL signalling pathway of osteoclasts. These results indicate that a suitable dietary Ca/AP ratio is vital for bone growth and reduce the incidence of bone diseases such as osteoporosis, providing a practical basis for the raising of piglets.
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Affiliation(s)
- Lei Zhao
- College of Animal Science and Technology, Jilin Agriculture University, Changchun, China.,Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China
| | - Muyang Li
- College of Animal Science and Technology, Jilin Agriculture University, Changchun, China.,Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China
| | - Hui Sun
- College of Animal Science and Technology, Jilin Agriculture University, Changchun, China.,Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China
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12
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Martín-Del-Campo M, Sampedro JG, Flores-Cedillo ML, Rosales-Ibañez R, Rojo L. Bone Regeneration Induced by Strontium Folate Loaded Biohybrid Scaffolds. Molecules 2019; 24:E1660. [PMID: 31035627 PMCID: PMC6539601 DOI: 10.3390/molecules24091660] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 01/01/2023] Open
Abstract
Nowadays, regenerative medicine has paid special attention to research (in vitro and in vivo) related to bone regeneration, specifically in the treatment of bone fractures or skeletal defects, which is rising worldwide and is continually demanding new developments in the use of stem cells, growth factors, membranes and scaffolds based on novel nanomaterials, and their applications in patients by using advanced tools from molecular biology and tissue engineering. Strontium (Sr) is an element that has been investigated in recent years for its participation in the process of remodeling and bone formation. Based on these antecedents, this is a review about the Strontium Folate (SrFO), a recently developed non-protein based bone-promoting agent with interest in medical and pharmaceutical fields due to its improved features in comparison to current therapies for bone diseases.
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Affiliation(s)
- Marcela Martín-Del-Campo
- Departamento de Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, CSIC, 28006 Madrid, Spain.
| | - José G Sampedro
- Instituto de Física, Universidad Autónoma de San Luis Potosí, Manuel Nava 6, Zona Universitaria, San Luis Potosí C.P. 78290, S.L.P., Mexico.
| | - María Lisseth Flores-Cedillo
- División de Ingeniería Industrial, Instituto Tecnológico Superior de San Luis Potosí, Capital, Carretera 57 Tramo Qro-SLP Km 189+100 No. 6501, Deleg, Villa de Pozos, San Luis Potosí C.P. 78421, S.L.P., Mexico.
| | - Raul Rosales-Ibañez
- Escuela de Etudios Superiores, Iztacala, Universidad Nacional Autónoma de Mexico, UNAM, Tlalnepantla 54090, Mexico.
| | - Luis Rojo
- Departamento de Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, CSIC, 28006 Madrid, Spain.
- Consorcio Centro de Investigación Biomedica en red, CIBER-BBN, 28029 Madrid, Spain.
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13
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Güneş G, Doğruer Ünal N, Eskandari G, Kiykim A, Bölgen Çimen Ö, Temel G, Çimen MBY. Determination of NF-κB and RANKL levels in peripheral blood osteoclast precursor cells in chronic kidney disease patients. Int Urol Nephrol 2018; 50:1181-1188. [DOI: 10.1007/s11255-018-1859-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 03/28/2018] [Indexed: 10/17/2022]
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14
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RANKL/OPG system regulation by endogenous PTH and PTH1R/ATF4 axis in bone: Implications for bone accrual and strength in growing rats with mild uremia. Cytokine 2018. [PMID: 29529595 DOI: 10.1016/j.cyto.2018.03.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Osteoprotegerin (OPG), receptor activator of NF-κB ligand (RANKL), and parathyroid hormone (PTH) play a central role in the regulation of bone turnover in chronic kidney disease (CKD), but their influence on bone mineral density (BMD) and strength remains unclear, particularly in children. We studied the clinical significance of OPG and RANKL in relation to PTH, femur weight, BMD, and bone biomechanical properties in growing rats after one month (CKD-1) and three months (CKD-3) of surgically-induced mild CKD. Gene expression of parathyroid hormone 1 receptor (PTH1R) and activating transcription factor 4 (ATF4), major regulators of anabolic PTH response in bone, was also determined. Serum PTH and bone PTH1R/ATF4 expression was elevated in CKD-3 compared with other groups, and it positively correlated with femur weight, BMD, and the biomechanical properties of the femoral diaphysis reflecting cortical bone strength. In contrast, bone RANKL/OPG ratios were decreased in CKD-3 rats compared with other groups, and they were inversely correlated with PTH and the other abovementioned bone parameters. However, the PTH-PTH1R-ATF4 axis exerted an unfavorable effect on the biomechanical properties of the femoral neck. In conclusion, this study showed for the first time an inverse association between serum PTH and the bone RANKL/OPG system in growing rats with mild CKD. A decrease in the RANKL/OPG ratio, associated with PTH-dependent activation of the anabolic PTH1R/ATF4 pathway, seems to be responsible for the unexpected, beneficial effect of PTH on cortical bone accrual and strength. Simultaneously, impaired biomechanical properties of the femoral neck were observed, making this bone site more susceptible to fractures.
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Demir P, Erdenen F, Aral H, Emre T, Kose S, Altunoglu E, Dolgun A, Inal BB, Turkmen A. Serum Osteoprotegerin Levels Related With Cardiovascular Risk Factors in Chronic Kidney Disease. J Clin Lab Anal 2016; 30:811-817. [PMID: 26991325 PMCID: PMC6807210 DOI: 10.1002/jcla.21941] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 12/22/2015] [Accepted: 01/07/2016] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND To evaluate osteoprotegerin (OPG) levels in relation to cardiovascular (CV) risk factors in patients with chronic kidney disease (CKD) on different regimens of renal replacement therapy. METHODS A total of 143 patients with CKD and 30 healthy controls were included in this study and divided into five categories, including predialysis patients with chronic renal failure (preD; n = 36), chronic peritoneal dialysis patients (PD; n = 36), hemodialysis patients (HD; n = 35), renal transplant patients (RT; n = 36), and controls (n = 30). Data on demographics, concomitant diseases and CV risk factors, serum OPG levels, and correlates of serum OPG levels were determined. RESULTS Serum OPG (pmol/l) levels were significantly higher in HD (P <0.001 for each), PD (P <0.001 for each), and preD (P <0.01 vs. control, P <0.05 vs. RT) groups than RT and control groups. Diabetics than nondiabetics in HD (P = 0.008), PD (P = 0.024), and RT (P = 0.004) groups and males than females in PD group (P = 0.021) had higher OPG levels. Serum OPG levels were associated positively with age in HD (P <0.001), PD (P = 0.001), and in overall population (P <0.001). CONCLUSION Our findings revealed increased serum levels of OPG in dialysis and preD patients compared to RT and controls. In the patient groups receiving two dialysis treatment, the levels were worse, indicating a more pronounced vascular injury. Age, C-reactive protein (CRP), high-density lipoprotein cholesterol (HDL-C), and cystatin C (CysC) in CKD patients, CRP and PTH in the control subjects, and age and BMI in the overall population were the significant correlates of serum OPG levels.
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Affiliation(s)
- Pinar Demir
- Department of Internal Medicine, Ministry of Health Okmeydani Research and Training Hospital, Istanbul, Turkey
| | - Fusun Erdenen
- Department of Internal Medicine, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey.
| | - Hale Aral
- Department of Medical Biochemistry, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey
| | - Turker Emre
- Department of Internal Medicine, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey
| | - Sennur Kose
- Department of Internal Medicine, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey
| | - Esma Altunoglu
- Department of Internal Medicine, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey
| | - Anil Dolgun
- Department of Biostatistics, Medical Faculty, Hacettepe University, Ankara, Turkey
| | - Berrin Bercik Inal
- Department of Medical Biochemistry, Ministry of Health Istanbul Research and Training Hospital, Istanbul, Turkey
| | - Aydin Turkmen
- Department of Nephrology, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey
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16
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Schweighofer N, Aigelsreiter A, Trummer O, Graf-Rechberger M, Hacker N, Kniepeiss D, Wagner D, Stiegler P, Trummer C, Pieber T, Obermayer-Pietsch B, Müller H. Direct comparison of regulators of calcification between bone and vessels in humans. Bone 2016; 88:31-38. [PMID: 27108945 DOI: 10.1016/j.bone.2016.04.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 11/30/2015] [Accepted: 04/16/2016] [Indexed: 01/16/2023]
Abstract
Calcification is not only physiologically present in bone but is a main pathophysiological process in vasculature, favouring cardiovascular diseases. Our aim was to investigate changes in the expression of calcification regulators during vascular calcification in bone and vasculature. Levels of gene expression of osteoprotegerin (OPG), receptor activator of NF-κB ligand (RANKL), osteopontin (OPN), matrix gla protein (MGP), bone sialoprotein (BSP), SMAD6, and runt-related transcription factor 2 (RUNX2) were determined in bone, aorta, and external iliac artery tissue samples of transplant donors. Histological stages of atherosclerosis (AS) in vessels are defined as "no changes", "intima thickening", or "intima calcification". Patients' bone samples were subgrouped accordingly. We demonstrate that in vessels BSP and OPN expression significantly increased during intima thickening and decreased during intima calcification, whereas the expression of regulators of calcification did not significantly change in bone during intima thickening and intima calcification. At the stage of intima thickening, MGP, OPG, and SMAD6 expression and at stage of intima calcification only MGP expression was lower in bone than in vessel. The expression of BSP and RANKL was regulated in opposite ways in bone and vessels, whereas the expression of MGP, OC, RUNX2, and OPN was regulated in a tissue-specific manner. Our study is the first direct comparison of gene expression changes during AS progression in bone and vessels. Our results indicate that changes in the expression of regulators of calcification in the vessel wall as well as in bone occur early in the calcification process, even prior to deposition of calcium/phosphate precipitation.
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Affiliation(s)
- N Schweighofer
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
| | - A Aigelsreiter
- Institute of Pathology, Medical University of Graz, Auenbruggerplatz 25, 8036 Graz, Austria
| | - O Trummer
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
| | - M Graf-Rechberger
- Institute of Pathology, Medical University of Graz, Auenbruggerplatz 25, 8036 Graz, Austria
| | - N Hacker
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
| | - D Kniepeiss
- Department of Surgery, Division of Transplantation Surgery, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria
| | - D Wagner
- Department of Surgery, Division of Transplantation Surgery, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria
| | - P Stiegler
- Department of Surgery, Division of Transplantation Surgery, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria
| | - C Trummer
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
| | - T Pieber
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria; Joanneum Research Health, Elisabethstrasse 5, 8010 Graz, Austria
| | - B Obermayer-Pietsch
- Department of Internal Medicine, Divison of Endocrinology and Diabetology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria.
| | - H Müller
- Department of Surgery, Division of Transplantation Surgery, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria
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17
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Opposite Function of ERα and ERβ in Controlling 17β-Estradiol-mediated Osteogenesis in Osteoblasts. Arch Med Res 2016; 47:255-61. [DOI: 10.1016/j.arcmed.2016.07.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 07/01/2016] [Indexed: 01/30/2023]
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18
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Yang CY, Chang ZF, Chau YP, Chen A, Lee OKS, Yang AH. Uremia Induces Dental Pulp Ossification but Reciprocally Inhibits Adjacent Alveolar Bone Osteogenesis. Calcif Tissue Int 2015; 97:466-75. [PMID: 26126938 DOI: 10.1007/s00223-015-0030-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 06/20/2015] [Indexed: 01/09/2023]
Abstract
Uremic patients are predisposed to atrophy of the alveolar bone and narrowing of the dental pulp chamber. Such pulp chamber changes have only been diagnosed radiologically; however, this has not been supported by any pathological evidence. We used a uremic rat model with secondary hyperparathyroidism induced by 5/6 nephrectomy surgery and high-phosphate diet to examine the dental pulp and adjacent alveolar bone pathology. In addition, we collected pulp tissues for real-time PCR. We found an opposite histopathological presentation of the ossified dental pulp and the osteomalacic adjacent alveolar bone. Furthermore, pulp cells with positive staining for Thy-1, a surrogate stem cell marker, were significantly reduced in the pulp of uremic rats compared to the controls, indicating a paucity of stem cells. This was further evidenced by the reduced pulp expression of dickkopf-1 (Dkk-1), a Wnt/β-catenin signaling inhibitor produced by mesenchymal stem cells. In contrast, expressions of receptor activator of nuclear factor κB ligand (RANKL) and RANK in uremic pulp were up-regulated, probably to counteract the ossifying process of uremic pulp. In conclusion, uremic pulp ossifications were associated with a paucity of stem cells and dysregulated Dkk-1 and RANKL signaling systems, further shifting the imbalance toward osteogenesis. Strategies to counteract such an imbalance may offer a potential therapeutic target to improve dental health in uremic patients, which warrants further interventional studies.
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Affiliation(s)
- Chih-Yu Yang
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Zee-Fen Chang
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei, Taiwan
| | - Yat-Pang Chau
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Ann Chen
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Oscar Kuang-Sheng Lee
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
- School of Medicine, National Yang-Ming University, Taipei, Taiwan.
- Department of Orthopedic Surgery, Taipei City Hospital, No. 10, Sect. 4, Ren-Ai Road, Da-An District, Taipei, 10629, Taiwan.
- Departments of Medical Research and Orthopedic Surgery, Taipei Veterans General Hospital, Taipei, Taiwan.
- Stem Cell Research Center, National Yang-Ming University, Taipei, Taiwan.
| | - An-Hang Yang
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
- School of Medicine, National Yang-Ming University, Taipei, Taiwan.
- Department of Pathology, Taipei Veterans General Hospital, No. 201, Sect. 2, Shih-Pai Road, Beitou District, Taipei, 11217, Taiwan.
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Folestad A, Ålund M, Asteberg S, Fowelin J, Aurell Y, Göthlin J, Cassuto J. Role of Wnt/β-catenin and RANKL/OPG in bone healing of diabetic Charcot arthropathy patients. Acta Orthop 2015; 86:415-25. [PMID: 25811776 PMCID: PMC4513595 DOI: 10.3109/17453674.2015.1033606] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Charcot neuropathy is characterized by bone destruction in a foot leading to deformity, instability, and risk of amputation. Little is known about the pathogenic mechanisms. We hypothesized that the bone-regulating Wnt/β-catenin and RANKL/OPG pathways have a role in Charcot arthropathy. PATIENTS AND METHODS 24 consecutive Charcot patients were treated by off-loading, and monitored for 2 years by repeated foot radiography, MRI, and circulating levels of sclerostin, dickkopf-1, Wnt inhibitory factor-1, Wnt ligand-1, OPG, and RANKL. 20 neuropathic diabetic controls and 20 healthy controls served as the reference. RESULTS Levels of sclerostin, Dkk-1 and Wnt-1, but not of Wif-1, were significantly lower in Charcot patients than in the diabetic controls at inclusion. Dkk-1 and Wnt-1 levels responded to off-loading by increasing. Sclerostin levels were significantly higher in the diabetic controls than in the other groups whereas Wif-1 levels were significantly higher in the healthy controls than in the other groups. OPG and RANKL levels were significantly higher in the Charcot patients than in the other groups at inclusion, but decreased to the levels in healthy controls at 2 years. OPG/RANKL ratio was balanced in all groups at inclusion, and it remained balanced in Charcot patients on repeated measurement throughout the study. INTERPRETATION High plasma RANKL and OPG levels at diagnosis of Charcot suggest that there is high bone remodeling activity before gradually normalizing after off-loading treatment. The consistently balanced OPG/RANKL ratio in Charcot patients suggests that there is low-key net bone building activity by this pathway following diagnosis and treatment. Inter-group differences at diagnosis and changes in Wnt signaling following off-loading treatment were sufficiently large to be reflected by systemic levels, indicating that this pathway has a role in bone remodeling and bone repair activity in Charcot patients. This is of particular clinical relevance considering the recent emergence of promising drugs that target this system.
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Affiliation(s)
- Agnetha Folestad
- Department of Orthopedic Surgery, CapioLundby Hospital, Göteborg
| | - Martin Ålund
- Department of Orthopedic Surgery, Sahlgrenska University Hospital, Mölndal;
| | - Susanne Asteberg
- Department of Orthopedic Surgery, Sahlgrenska University Hospital, Mölndal;
| | - Jesper Fowelin
- Diabetes Care Unit, Department of Medicine, Frölunda Specialist Hospital, Västra Frölunda
| | - Ylva Aurell
- Department of Radiology, Sahlgrenska University Hospital, Mölndal
| | - Jan Göthlin
- Department of Radiology, Sahlgrenska University Hospital, Mölndal
| | - Jean Cassuto
- Orthopedic Research Unit, Sahlgrenska University Hospital/Mölndal and Göteborg University, Göteborg, Sweden
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20
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Launay-Vacher V, Aapro M, De Castro G, Cohen E, Deray G, Dooley M, Humphreys B, Lichtman S, Rey J, Scotté F, Wildiers H, Sprangers B. Renal effects of molecular targeted therapies in oncology: a review by the Cancer and the Kidney International Network (C-KIN). Ann Oncol 2015; 26:1677-84. [PMID: 25735315 DOI: 10.1093/annonc/mdv136] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 02/19/2015] [Indexed: 12/11/2022] Open
Abstract
A number of cancer therapy agents are cleared by the kidney and may affect renal function, including cytotoxic chemotherapy agents, molecular targeted therapies, analgesics, antibiotics, radiopharmaceuticals and radiation therapy, and bone-targeted therapies. Many of these agents can be nephrotoxic, including targeted cancer therapies. The incidence, severity, and pattern of renal toxicities may vary according to the respective target of the drug. Here, we review the renal effects associated with a selection of currenty approved targeted cancer therapies, directed to vascular endothelial growth factor or VEGF receptor(s) (VEGF/VEGFR), epidermal growth factor receptor (EGFR), human epidermal growth factor receptor2 (HER2), BRAF, anaplastic lymphoma kinase (ALK), programmed cell death protein-1 or its ligand (PD-1/PDL-1), receptor activator of nuclear factor kappa-B ligand (RANKL), and mammalian target of rapamycin (mTOR). The early diagnosis and prompt treatment of these renal alterations are essential in the daily practice where molecular targeted therapies have a definitive role in the armamentarium used in many cancers.
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Affiliation(s)
- V Launay-Vacher
- Cancer & the Kidney International Network (C-KIN), Brussels Service ICAR, Pitié-Salpêtrière University Hospital, Paris
| | - M Aapro
- Cancer & the Kidney International Network (C-KIN), Brussels Multidisciplinary Oncology Institute, Genolier Clinic, Genolier, Switzerland
| | - G De Castro
- Cancer & the Kidney International Network (C-KIN), Brussels Department of Clinical Oncology, Sao Paulo State Cancer Institute, Sao Paulo, Brazil
| | - E Cohen
- Cancer & the Kidney International Network (C-KIN), Brussels Nephrology Section, Zablocki Veterans Affair Medical Center, Milwaukee, USA
| | - G Deray
- Cancer & the Kidney International Network (C-KIN), Brussels Department of Nephrology, Pitié-Salpêtrière University Hospital, Paris, France
| | - M Dooley
- Cancer & the Kidney International Network (C-KIN), Brussels Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Parkville, Australia
| | - B Humphreys
- Cancer & the Kidney International Network (C-KIN), Brussels Renal Division, Brigham and Women's Hospital, Boston
| | - S Lichtman
- Cancer & the Kidney International Network (C-KIN), Brussels Clinical Geriatrics Program, Memorial Sloan-Kettering Cancer Center, New-York, USA
| | - J Rey
- Cancer & the Kidney International Network (C-KIN), Brussels Department of Pharmacy, Jean Godinot Cancer Institute, Reims
| | - F Scotté
- Cancer & the Kidney International Network (C-KIN), Brussels Supportive Care in Cancer Unit, Department of Medical Oncology, Georges Pompidou European Hospital, Paris, France
| | - H Wildiers
- Cancer & the Kidney International Network (C-KIN), Brussels Department of General Medicine, University Hospitals Leuven, Leuven
| | - B Sprangers
- Cancer & the Kidney International Network (C-KIN), Brussels Department of Nephrology, UZ Leuven, Leuven, Belgium
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21
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Pérez de Ciriza C, Lawrie A, Varo N. Osteoprotegerin in Cardiometabolic Disorders. Int J Endocrinol 2015; 2015:564934. [PMID: 26078757 PMCID: PMC4442310 DOI: 10.1155/2015/564934] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 04/20/2015] [Accepted: 04/20/2015] [Indexed: 02/06/2023] Open
Abstract
Osteoprotegerin (OPG), a glycoprotein traditionally implicated in bone remodelling, has been recently related to cardiovascular disease (CVD). Human studies show a positive relationship between circulating OPG, vascular damage, and CVD, and as such OPG has emerged as a potential biomarker for CVD. This review focuses on the relationship between circulating OPG and different endocrine cardiometabolic alterations such as type 1 and 2 diabetes. The association of OPG with diabetic complications (neuropathy, nephropathy, or retinopathy) as well as with atherosclerosis, coronary artery calcification, morbidity, and mortality is pointed out. Moreover, OPG modulation by different treatments is also established. Besides, other associated diseases such as obesity, hypertension, and metabolic syndrome, which are known cardiovascular risk factors, are also considered.
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Affiliation(s)
- C. Pérez de Ciriza
- Department of Clinical Chemistry, Clínica Universidad de Navarra, Avenida Pío XII 36, 31008 Pamplona, Spain
| | - A. Lawrie
- Department of Cardiovascular Science, University of Sheffield, Beech Hill Road, Sheffield S10 2RX, UK
| | - N. Varo
- Department of Clinical Chemistry, Clínica Universidad de Navarra, Avenida Pío XII 36, 31008 Pamplona, Spain
- *N. Varo:
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Abstract
Vascular calcification in chronic kidney disease (CKD) patients is associated to increased mortality. Osteoprotegerin (OPG) is a soluble tumor necrosis factor (TNF) superfamily receptor that inhibits the actions of the cytokines receptor activator of nuclear factor kappa-B ligand (RANKL) and TNF-related apoptosis-inducing ligand (TRAIL) by preventing their binding to signaling receptors in the cell membrane. OPG-deficient mice display vascular calcification while OPG prevented calcification of cultured vascular smooth muscle cells and protected kidney cells from TRAIL-induced death. OPG may be a biomarker in patients with kidney disease. Circulating OPG is increased in predialysis, dialysis and transplant CKD patients and may predict vascular calcification progression and patient survival. By contrast, circulating OPG is decreased in nephrotic syndrome. In addition, free and exosome-bound urinary OPG is increased in human kidney disease. Increased urinary OPG has been associated with lupus nephritis activity. Despite the association of high OPG levels with disease, experimental functional information available suggests that OPG might be protective in kidney disease and in vascular injury in the context of uremia. Thus, tissue injury results in increased OPG, while OPG may protect from tissue injury. Recombinant OPG was safe in phase I randomized controlled trials. Further research is needed to fully define the therapeutic and biomarker potential of OPG in patients with kidney disease.
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Mugera C, Suh KJ, Huisman TAGM, Weber K, Belzberg AJ, Carrino JA, Chhabra A. Sclerotic lesions of the spine: MRI assessment. J Magn Reson Imaging 2013; 38:1310-24. [PMID: 24123379 DOI: 10.1002/jmri.24247] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 05/07/2013] [Indexed: 01/08/2023] Open
Abstract
Sclerotic (T2 dark) lesions of the spine are infrequent and, as a result, these are often missed or misdiagnosed. Plain films may not be always available during magnetic resonance imaging (MRI) readout. Knowledge of such lesions and their imaging appearances on MRI evaluation is essential for a reader. Additionally, a systematic approach is important to accurately diagnose these lesions. In this article we discuss the various causes of spinal sclerotic lesions, describe their MRI characteristics with relevant case examples, and outline a systematic approach to their evaluation.
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Biochemical markers of vascular calcification in elderly hemodialysis patients. Mol Cell Biochem 2012; 374:21-7. [DOI: 10.1007/s11010-012-1500-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 10/25/2012] [Indexed: 11/26/2022]
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Aapro M, Launay-Vacher V. Importance of monitoring renal function in patients with cancer. Cancer Treat Rev 2012; 38:235-40. [DOI: 10.1016/j.ctrv.2011.05.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Revised: 04/22/2011] [Accepted: 05/01/2011] [Indexed: 11/28/2022]
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Koo HM, Do HM, Kim EJ, Lee MJ, Shin DH, Kim SJ, Oh HJ, Yoo DE, Kim JK, Park JT, Han SH, Kang SW, Choi KH, Yoo TH. Elevated osteoprotegerin is associated with inflammation, malnutrition and new onset cardiovascular events in peritoneal dialysis patients. Atherosclerosis 2011; 219:925-30. [DOI: 10.1016/j.atherosclerosis.2011.09.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2011] [Revised: 09/09/2011] [Accepted: 09/12/2011] [Indexed: 11/25/2022]
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