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Abstract
Despite intensive research in spondyloarthritis pathogenesis, some important questions still remain unanswered, particularly concerning enthesis new bone formation. Several evidences suggest that it prevalently occurs by endochondral ossification, however it remains to identify factors that can induce and influence its initiation and progression. Recent progress, achieved in animal models and in vitro and genetic association studies, has led us to hypothesize that several systemic factors (adipokines and gut hormones) and local factors (BMP and Wnt signaling) as well as angiogenesis and mechanical stress are involved. We critically review and summarize the available data and delineate the possible mechanisms involved in enthesis ossification, particularly at spinal ligament level. KEY MESSAGES Complete understanding of spondyloarthritis pathophysiology requires insights into inflammation, bone destruction and bone formation, which are all located in entheses and lead all together to ankylosis and functional disability. Several factors probably play a role in the pathogenesis of bone formation in entheses including not only cytokines but also several systemic factors such as adipokines and gut hormones, and local factors, such as BMP and Wnt signaling, as well as angiogenesis and mechanical stress. Data available about pathophysiology of new bone formation in spondyloarthritis are limited and often conflicting and future studies are needed to better delineate it and to develop new therapeutic approaches.
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Affiliation(s)
- Anna Neve
- a Rheumatology Clinic, Department of Medical and Surgical Sciences , University of Foggia Medical School , Foggia , Italy
| | - Nicola Maruotti
- a Rheumatology Clinic, Department of Medical and Surgical Sciences , University of Foggia Medical School , Foggia , Italy
| | - Addolorata Corrado
- a Rheumatology Clinic, Department of Medical and Surgical Sciences , University of Foggia Medical School , Foggia , Italy
| | - Francesco Paolo Cantatore
- a Rheumatology Clinic, Department of Medical and Surgical Sciences , University of Foggia Medical School , Foggia , Italy
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Tripolitsioti D, Santhana Kumar K, Neve A, Pillong M, Kunze J, Schneider G, Shalaby T, Grotzer M, Baumgartner M. Restricting growth and spreading of paediatric medulloblastoma by blocking kinase signalling-dependent brain infiltration. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)61597-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Corrado A, Colia R, Mele A, Di Bello V, Trotta A, Neve A, Cantatore FP. Correction: Relationship between Body Mass Composition, Bone Mineral Density, Skin Fibrosis and 25(OH) Vitamin D Serum Levels in Systemic Sclerosis. PLoS One 2015; 10:e0142748. [PMID: 26545109 PMCID: PMC4636383 DOI: 10.1371/journal.pone.0142748] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Corrado A, Colia R, Mele A, Di Bello V, Trotta A, Neve A, Cantatore FP. Relationship between Body Mass Composition, Bone Mineral Density, Skin Fibrosis and 25(OH) Vitamin D Serum Levels in Systemic Sclerosis. PLoS One 2015; 10:e0137912. [PMID: 26375284 PMCID: PMC4572708 DOI: 10.1371/journal.pone.0137912] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 08/22/2015] [Indexed: 11/30/2022] Open
Abstract
A reduced bone mineral density (BMD) is observed in several rheumatic autoimmune diseases, including Systemic Sclerosis (SSc); nevertheless, data concerning the possible determinants of bone loss in this disease are not fully investigated. The aim of this study is to evaluate the relationship between BMD, body mass composition, skin sclerosis and serum Vitamin D levels in two subsets of SSc patients. 64 post-menopausal SSc patients, classified as limited cutaneous (lcSSc) or diffuse cutaneous (dcSSc) SSc, were studied. As control, 35 healthy post-menopausal women were recruited. Clinical parameters were evaluated, including the extent of skin involvement. BMD at lumbar spine, hip, femoral neck and body mass composition were determined by dual-energy X-ray absorptiometry. Serum calcium, phosphorus, alkaline phosphatase, urine pyridinium cross-links, intact parathyroid hormone and 25-hydroxyvitamin D (25OHD) were measured. BMD at spine, femoral neck and total hip was significantly lower in SSc patients compared to controls. In dcSSc subset, BMD at spine, femoral neck and total hip was significantly lower compared to lcSSc. No differences in both fat and lean mass were found in the three study groups even if patients with dcSSc showed a slightly lower total body mass compared to healthy controls. Total mineral content was significantly reduced in dSSc compared to both healthy subjects and lcSSc group. Hypovitaminosis D was observed both in healthy post-menopausal women and in SSc patients, but 25OHD levels were significantly lower in dcSSc compared to lcSSc and inversely correlated with the extent of skin thickness. These results support the hypothesis that the extent of skin involvement in SSc patients could be an important factor in determining low circulating levels of 25OHD, which in turn could play a significant role in the reduction of BMD and total mineral content.
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Affiliation(s)
- Addolorata Corrado
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Ripalta Colia
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Angiola Mele
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Valeria Di Bello
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Antonello Trotta
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Anna Neve
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Francesco Paolo Cantatore
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
- * E-mail:
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Karystinou A, Roelofs AJ, Neve A, Cantatore FP, Wackerhage H, De Bari C. Yes-associated protein (YAP) is a negative regulator of chondrogenesis in mesenchymal stem cells. Arthritis Res Ther 2015; 17:147. [PMID: 26025096 PMCID: PMC4449558 DOI: 10.1186/s13075-015-0639-9] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 04/24/2015] [Indexed: 11/10/2022] Open
Abstract
Introduction The control of differentiation of mesenchymal stromal/stem cells (MSCs) is crucial for tissue engineering strategies employing MSCs. The purpose of this study was to investigate whether the transcriptional co-factor Yes-associated protein (YAP) regulates chondrogenic differentiation of MSCs. Methods Expression of total YAP, its paralogue transcriptional co-activator with PDZ-binding motif (TAZ), and individual YAP transcript variants during in vitro chondrogenesis of human MSCs was determined by quantitative reverse transcription polymerase chain reaction (RT-PCR). YAP expression was confirmed by western blotting. To determine the effect of high YAP activity on chondrogenesis, C3H10T1/2 MSC-like cells were transduced with human (h)YAP and treated in micromass with bone morphogenetic protein-2 (BMP-2). Chondrogenic differentiation was assessed by alcian blue staining and expression of chondrocyte-lineage genes. BMP signalling was determined by detection of pSmad1,5,8 by western blotting and expression of BMP target genes by quantitative RT-PCR. Finally, YAP and pYAP were detected in mouse embryo hindlimbs by immunohistochemistry. Results YAP, but not TAZ, was downregulated during in vitro chondrogenesis of human MSCs. One of the YAP transcript variants, however, was upregulated in high-density micromass culture. Overexpression of hYAP in murine C3H10T1/2 MSCs inhibited chondrogenic differentiation. High YAP activity in these cells decreased Smad1,5,8 phosphorylation and expression of the BMP target genes Inhibitor of DNA binding/differentiation (Id)1, Id2 and Id3 in response to BMP-2. In developing mouse limbs, Yap was nuclear in the perichondrium while mostly phosphorylated and cytosolic in cells of the cartilage anlage, suggesting downregulation of Yap co-transcriptional activity during physiological chondrogenesis in vivo. Conclusions Our findings indicate that YAP is a negative regulator of chondrogenic differentiation of MSCs. Downregulation of YAP is required for chondrogenesis through derepression of chondrogenic signalling. Therapeutic targeting of YAP to promote cartilage repair and prevent secondary osteoarthritis is an exciting prospect in rheumatology. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0639-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alexandra Karystinou
- Musculoskeletal Research Programme, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
| | - Anke J Roelofs
- Musculoskeletal Research Programme, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
| | - Anna Neve
- Musculoskeletal Research Programme, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK. .,Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Via Napoli 25, 71122, Foggia, Italy.
| | - Francesco P Cantatore
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Via Napoli 25, 71122, Foggia, Italy.
| | - Henning Wackerhage
- Musculoskeletal Research Programme, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
| | - Cosimo De Bari
- Musculoskeletal Research Programme, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
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Corrado A, Neve A, Marucci A, Colia R, Di Bello V, Cantatore F. AB0606 Systemic Sclerosis and Recurrent Pregnancy Loss: Possible Role of Autoantibody Profile and Microvascular Damage. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Maruotti N, D'Onofrio F, Neve A, Santoro N, Corrado A, Cantatore FP. Anti-TNF-α and risk of infections: the experience in one center. Panminerva Med 2014; 56:31-34. [PMID: 24637471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
AIM In the last years there is an increasing interest for the question of whether patients treated with antitumour necrosis factor-α (TNF-α) agents are at increased risk of infections. We aim to assess the possible role of anti-TNF-α treatment in the increase of the risk of infections in a population of patients affected by rheumatoid arthritis or psoriatic arthritis. METHODS We analyzed data of patients affected by chronic arthritis treated with anti-TNF-α to investigate the risk of infections. Statistical analysis was done using STATA software. RESULTS The odds ratio for patients treated with anti-TNF-α who developed infections was 1.61 (CI: 0.88, 2.92, P<0.11). We found an odds ratio of 1.41 (CI: 0.74, 2.68, P<0.29) in patients treated with anti-TNF-α who developed urinary tract infection, and an odds ratio of 2.63 (CI: 0.31, 22.19, P<0.37) in patients treated with anti-TNF-α who developed herpes zoster. DISCUSSION These results seems to indicate a role of anti-TNF-α treatment in the risk of infection. Nevertheless, our results are not statistically significant probably because the sample sizes are too small and the time of observation among patients is variable. Moreover, other confounding factors may be gender, age and the different degrees of disease activity and comorbidity. In conclusion, limitations in the study size and design preclude definitive conclusions about the question of whether patients treated with anti-TNF-α agents are at increased risk of infections. The performance of additional research are needed to answer this question.
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Affiliation(s)
- N Maruotti
- Department of Rheumatology University of Foggia Medical School, Foggia, Italy -
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8
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Abstract
Wnt signaling plays a key role in several physiological and pathological aspects. Even if Wnt signal was first described more than 20 years ago, its role in systemic effects, such as angiogenesis and vascular disorders, bone biology, autoimmune diseases, neurological diseases, and neoplastic disorders, was only recently emerged through the use of animal and in vitro models. Moreover, Wnt signaling inhibitors, such as DKK-1, may be advantageously considered targets for the treatment of several diseases, including osteoporosis, vascular diseases, inflammatory diseases, neurological diseases, and cancer. Nevertheless, further studies are required to provide a complete understanding of this complex signaling pathway, and especially of its role in human diseases, considering the possible advantageous effects of Wnt signaling inhibitors on the progression of disease conditions.
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Affiliation(s)
- Nicola Maruotti
- Department of Rheumatology, University of Foggia Medical School, Foggia, Italy
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Corrado A, Neve A, Costantino E, Palladino GP, Foschino Barbaro MP, Cantatore FP. Effect of endothelin inhibition on lung fibroblasts on patients with systemic sclerosis. Minerva Med 2013; 104:505-517. [PMID: 24101108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
AIM The aim of the study was to investigate the effect of selective ETRA Sitaxsentan on viability and differentiation into myofibroblasts of lung fibroblasts derived from SSc-ILD patients and the ability of this drug to modify the lung fibroblast synthesis of VEGF, type I collagen and fibronectin. METHODS Primary human lung fibroblast cultures were obtained from BAL of SSc-ILD patients. Cell cultures were exposed for 48 h to crescent concentrations of Sitaxsentan (10 -6M to 10 -4M). In these experimental conditions we evaluated cell viability through crystal violet staining, the production and mRNA expression of VEGF, fibronectin and type I collagen respectively through ELISA and real-Time PCR. Further, we detected alpha-Smooth Muscle Actin (α-SMA) through immunocytochemical assay. RESULTS The lowest concentration of sitaxsentan (10-6M) did not affect fibroblasts viability; conversely at higher concentrations, sitaxsentan induced a significant inhibition of cell viability. Synthesis and mRNA expression of VEGF, type 1 collagen and fibronectin were significantly reduced in treated lung fibroblasts compared to the untreated ones, in a dose-dependent manner. At higher concentrations, Sitaxsentan reduced the expression of α-SMA. CONCLUSION The results of this study show that sitaxentan is able in vitro to reduce both cell viability than production of VEGF and extra-cellular matrix components in SSc lung fibroblasts, confirming the anti-fibrotic potential of ETRA in SSc. The decreased expression of α-SMA in treated cells indicate that sitaxsentan may inhibit the fibroblast differentiation toward a myo-fibroblast phenotype and further support the hypothesis that the selective ETRAs may be beneficial in patients with SSc-ILD as anti fibrotic agents.
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Affiliation(s)
- A Corrado
- Rheumatology Clinic Department of Medical and Surgical Sciences University of Foggia, Foggia, Italy -
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Neve A, Corrado A, Cantatore FP. Immunomodulatory effects of vitamin D in peripheral blood monocyte-derived macrophages from patients with rheumatoid arthritis. Clin Exp Med 2013; 14:275-83. [PMID: 23824148 DOI: 10.1007/s10238-013-0249-2] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 06/24/2013] [Indexed: 12/18/2022]
Abstract
1,25-Dihydroxyvitamin D (1,25(OH)2D3), the active form of vitamin D, modulates both innate and adaptive immune responses. Emerging epidemiological data has also demonstrated disease-modifying and immunomodulatory effects of vitamin D in a wide range of human autoimmune diseases, including rheumatoid arthritis (RA). To evaluate in vitro effects of 1,25(OH) 2D3 in primary cultures of peripheral blood monocyte-derived macrophages of RA patients, monocyte/macrophages, isolated from peripheral blood mononuclear cells of RA patients and healthy subjects by exploiting their ability to adhere to plastic, were treated with increasing concentrations of 1,25(OH)2D3 for 48 h. TNF-α, IL-1 α, IL-1β, IL-6 and RANKL production was determined by ELISA and nitric oxide (NO) release using the Griess method. Immunocytochemistry analysis was also performed to evaluate alterations in transmembrane TNF-α expression after 1,25(OH) 2D3 treatment. A significant dose-dependent decrease in TNF-α and RANKL production by cultured RA macrophages after 1,25(OH)2D3 treatment was found, whereas a significant reduction in normal cells was observed only at higher concentrations. IL-1 α, IL-1β and IL-6 levels were reduced by 1,25(OH) 2D3 at higher concentrations in all cell populations. TNF-α immunostaining was less intense in treated cells compared with untreated. 1,25(OH) 2D3 significantly reduced NO levels regardless of the concentration used. Vitamin D downregulated proinflammatory mediators in monocyte-derived macrophages, and RA cells appeared more sensitive than normal cells. These effects further provide a rationale for the therapeutic value of vitamin D supplementation in the treatment for RA.
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Affiliation(s)
- Anna Neve
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Ospedale "Col. D'Avanzo", V.le degli Aviatori 1, 71100, Foggia, Italy
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Corrado A, Neve A, Cantatore FP. AB0035 Vitamin d down-regulates pro-inflammatory cytokine response in rheumatoid arthritis peripheral macrophages. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Corrado A, Neve A, Marucci A, Colia R, Mele A, Cantatore FP. AB0485 Serum 25(oh) vitamin d levels, body mass composition and extent of skin sclerosis in systemic sclerosis patients. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
Osteocalcin (OC) is a non-collagenous, vitamin K-dependent protein secreted in the late stage of osteoblasts differentiation. The presence of the three residues of γ-carbossiglutamatic acid, specific of the active form of OC protein, allows the protein to bind calcium and consequently hydroxyapatite. The osteoblastic OC protein is encoded by the bone γ-carbossiglutamate gene whose transcription is principally regulated by the Runx2/Cbfa1 regulatory element and stimulated by vitamin D(3) through a steroid-responsive enhancer sequence. Even if data obtained in literature are controversial, the dual role of OC in bone can be presumed as follows: firstly, OC acts as a regulator of bone mineralization; secondly, OC regulates osteoblast and osteoclast activity. Recently the metabolic activity of OC, restricted to the un-carboxylated form has been demonstrated in osteoblast-specific knockout mice. This effect is mediated by the regulation of pancreatic β-cell proliferation and insulin secretion and adiponectin production by adipose tissue and leads to the regulation of glucose metabolism and fat mass. Nevertheless, clinical human studies only demonstrated the correlation between OC levels and factors related to energy metabolism. Thus further investigations in humans are required to demonstrate the role of OC in the regulation of human energy metabolism. Moreover, it is presumable that OC also acts on blood vessels by inducing angiogenesis and pathological mineralization. This review highlights the recent studies concerning skeletal and extra-skeletal effects of OC.
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Affiliation(s)
- Anna Neve
- Department of Medical and Surgical Sciences, Rheumatology Clinic, University of Foggia, Foggia, Italy
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Neve A, Cantatore FP, Corrado A, Gaudio A, Ruggieri S, Ribatti D. In vitro and in vivo angiogenic activity of osteoarthritic and osteoporotic osteoblasts is modulated by VEGF and vitamin D3 treatment. ACTA ACUST UNITED AC 2013; 184:81-4. [PMID: 23500833 DOI: 10.1016/j.regpep.2013.03.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 12/26/2012] [Accepted: 03/03/2013] [Indexed: 10/27/2022]
Abstract
Vascular Endothelial Growth Factor (VEGF) is a potent angiogenic factor, which also regulates bone remodeling. Osteoblasts not only respond to VEGF stimulation, but also express and synthesize this factor. The present study was aimed to evaluate in vitro differences in VEGF production and expression of cultured human osteoblastic cells derived from healthy donors and from subjects affected by osteoarthritis and osteoporosis, under basal conditions than after vitamin D3, and to investigate the angiogenic activity of culture media obtained by these cells in chick embryo chorioallantoic membrane (CAM) assay. The results showed that normal and pathological osteoblasts produce and express VEGF and 1,25 dihydroxy-vitamin D3 treatment increases protein and m-RNA VEGF levels. In addition culture media of pathological osteoblasts induce a strong angiogenic response, greater than observed with culture medium of normal cells, suggesting the involvement of osteoblast-derived VEGF in the pathogenesis of bone diseases.
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Affiliation(s)
- Anna Neve
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Ospedale Col. D'Avanzo, Foggia, Italy
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Corrado A, Neve A, Macchiarola A, Gaudio A, Marucci A, Cantatore FP. RANKL/OPG ratio and DKK-1 expression in primary osteoblastic cultures from osteoarthritic and osteoporotic subjects. J Rheumatol 2013; 40:684-94. [PMID: 23457386 DOI: 10.3899/jrheum.120845] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE To evaluate the expression of Dickkopf-1 protein factor (DKK-1), DKK-2, and β-catenin, components of the Wnt pathway, in human osteoarthritic (OA) and osteoporotic (OP) osteoblasts and to correlate it to cell metabolic activity, proliferation, and receptor activator of nuclear factor-κB ligand/osteoprotegerin (RANKL/OPG) expression. METHODS Primary human osteoblast cultures were obtained from healthy, OA, and OP donors. In each cell population we evaluated DKK-1, DKK-2, nonphosphorylated β-catenin and RANKL/OPG expression, osteocalcin and alkaline phosphatase (ALP) synthesis, and cell proliferation, both in basal condition and after vitamin D3 stimulation. RESULTS DKK-1 and DKK-2 showed opposite patterns of expression in OA and OP osteoblasts. The RANKL/OPG ratio was significantly higher in the OP group because of a greater expression of RANKL, whereas it was significantly lower in the OA group because of a higher expression of OPG. Treatment with vitamin D3 increased the RANKL/OPG ratio and DKK-2 expression and reduced DKK-1 expression in each cell population, but did not affect β-catenin levels. Both osteocalcin and ALP production and cell proliferation were enhanced in OA cells and reduced in the OP ones. CONCLUSION These data confirm that OA and OP are characterized by opposite bone changes, consisting of reduced bone remodeling processes with increased osteoblast activity in OA, and enhanced bone resorptive activity with reduction of osteoblast metabolism in OP, and suggest that the Wnt pathway is involved in the pathogenesis of both diseases.
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Affiliation(s)
- Addolorata Corrado
- Rheumatology Clinic, Department of Medical and Occupational Sciences, University of Foggia; Orthopedic Surgery Unit, Ospedali Riuniti di Foggia, Foggia, Italy
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Neve A, Corrado A, Cantatore FP. TNF-related apoptosis-inducing ligand (TRAIL) in rheumatoid arthritis: what's new? Clin Exp Med 2012; 14:115-20. [PMID: 23275079 DOI: 10.1007/s10238-012-0226-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2012] [Accepted: 12/20/2012] [Indexed: 01/19/2023]
Abstract
TNF-related apoptosis-inducing ligand (TRAIL) is a type II transmembrane protein of the TNF superfamily that serves as an extracellular signal that triggers programmed cell death in tumor cells, without affecting normal cells. Recently, scientists have turned their attention to the emerging role of TRAIL in immune and autoimmune responses. TRAIL has been shown to down-regulate the self-antigens in autoimmune diseases, such as rheumatoid arthritis (RA) by exerting its apoptotic effect on activated T cells and synoviocytes and by its local anti-inflammatory effect. The impact of TRAIL molecular variants and agonistic monoclonal antibodies in the regulation of TRAIL activity in arthritis animal models strongly supports the idea of testing the role of TRAIL in humans, with the aim of developing new effective therapies that promote apoptosis of synoviocytes and/or infiltrating lymphocytes, by targeting TRAIL. The aim of this review is to summarize recent progress and current knowledge of TRAIL functions in RA.
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Affiliation(s)
- Anna Neve
- Department of Medical and Surgical Sciences, Rheumatology Clinic, University of Foggia, Ospedale "Col. D'Avanzo", V.le degli Aviatori 1, 71100, Foggia, Italy
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Abstract
Osteocytes are the most abundant and longest-living cells in the adult skeleton. For a long time, osteocytes were considered static and inactive cells, but in recent years, it has been suggested that they represent the key responder to various stimuli that regulate bone formation and remodelling as well as one of the key endocrine regulators of bone metabolism. Osteocytes respond to mechanical stimuli by producing and secreting several signalling molecules, such as nitric oxide and prostaglandin E(2) , that initiate local bone remodelling. Moreover, they can control bone formation by modulating the WNT signalling pathway, an essential regulator of cell fate and commitment, as they represent the main source of sclerostin, a negative regulator of bone formation. Osteocytes can also act as an endocrine organ by releasing fibroblast growth factor 23 and several other proteins (DMP-1, MEPE, PHEX) that regulate phosphate metabolism. It has been demonstrated that various bone diseases are associated with osteocyte abnormalities, although it is not clear if these changes are the direct cause of the pathology or if they are secondary to the pathological changes in the bone microenvironment. Thus, a better understanding of these cells could offer exciting opportunities for new advances in the prevention and management of different bone diseases.
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Affiliation(s)
- A Neve
- Rheumatology Clinic, Department of Medical and Occupational Sciences, University of Foggia, Italy
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Abstract
PURPOSE Bisphosphonates are synthetic analogues of pyrophosphate usually used in treating bone disorders such as osteoporosis, Paget's disease, fibrous dysplasia, hypercalcemia of malignancy, and inflammation-related bone loss. Though therapeutic effects of bisphosphonates depend primarily on their inhibitory effect on osteoclasts, increasing attention is being given to other effector cells, such as osteoblasts. This review focuses on the presumed effect of bisphosphonates on osteoblasts. METHODS A review of the literature was conducted to evaluate the pharmacodynamic effects of bisphosphonates including inhibition of osteoclasts and apoptosis of osteocytes and osteoblasts as well as their potential stimulatory effects on the proliferation of osteoblasts. RESULTS Studies have demonstrated that bisphosphonates may stimulate proliferation of osteoblasts and inhibit apoptosis of osteocytes and osteoblasts. CONCLUSION Considering that osteoblasts may be involved in bone disorders, such as osteoporosis, osteopetrosis, osteogenesis imperfecta, and Paget's disease, and that bisphosphonates may stimulate proliferation of osteoblasts and inhibit apoptosis of osteocytes and osteoblasts, it is conceivable that a role for bisphosphonates exists in these diseases beyond merely the osteoclast influence.
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Affiliation(s)
- Nicola Maruotti
- Department of Rheumatology, University of Foggia Medical School, Foggia, Italy
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Abstract
Osteoblasts are mononucleated cells that are derived from mesenchymal stem cells and that are responsible for the synthesis and mineralization of bone during initial bone formation and later bone remodelling. Osteoblasts also have a role in the regulation of osteoclast activity through the receptor activator of nuclear factor κ-B ligand and osteoprotegerin. Abnormalities in osteoblast differentiation and activity occur in some common human diseases such as osteoporosis and osteoarthritis. Recent studies also suggest that osteoblast functions are compromised at sites of focal bone erosion in rheumatoid arthritis.
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Affiliation(s)
- Anna Neve
- Rheumatology Clinic, Department of Medical and Occupational Sciences, University of Foggia, Foggia, Italy
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Chironna M, Neve A, Sallustio A, De Robertis A, Quarto M, Germinario C, Lepera A, Cicinelli E, Carriero C, Pinto V, Miniello G, Borraccino V, Blasi N, Romano F, Noya E. Frequency of human papillomavirus infection and genotype distribution among women with known cytological diagnosis in a Southern Italian region. J Prev Med Hyg 2010; 51:139-145. [PMID: 21553558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
INTRODUCTION In the Puglia region (South Italy) about 200 new hospitalizations for cervical cancer are registered every year. The study investigated the frequency of Human Papillomavirus (HPV) infection and the genotype distribution of HPV in a sample of women with known cytology attending the outpatient clinics of four Gynecological Departments of the University of Bari over a four-year period (2005-2008). METHODS Cervical samples from 1,168 women were analyzed for the presence of HPV-DNA through Polymerase Chain Reaction (PCR) in L1 region and reverse hybridization. The cytological results were associated with HPV positivity and type-specific prevalence. RESULTS Overall, HPV infection was found in 355 (30.4%) women. HPV-DNA was found in 34.4% of women with a cytological diagnosis of ASCUS, in 46.8% of women with Low-grade Squamous Intraepithelial Lesion (LSIL) and in 87.0% of women with High-grade Squamous Intraepithelial Lesion (HSIL)/carcinoma. Also 16.0% of women with normal Pap smear were found to be HPV-DNA positive. The most common HPVgenotype was type 16 found in 27.3% of positives, followed by type 53 (11.5%), type 66 (9.2%) and type 31 (9.0%). HPV genotype 18 was found in 6.4% of positives. Types 16 or 18 were detected in about 34% (120/355) of all infected women, in about 33% of LSIL and in 60% of HSIL/ carcinoma HPV-positive women. Among low risk (LR) genotypes, type 61 was found in 10.7% of HPV positive women, type 62 in 8.4%, type 42 in 8.1% and type CP6108 in 7.8%. DISCUSSION AND CONCLUSIONS The findings of the study give evidence that HPV infection is frequent in the studied cohort of women. The most widespread genotypes found were 16 and 53. These data may represent a benchmark for future evaluation after the recent introduction of vaccination against HPV in 12-year-old girls.
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Affiliation(s)
- M Chironna
- Department of Biomedical Sciences and Human Oncology-Hygiene Section, University of Bari, Italy.
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Corrado A, Neve A, Maruotti N, Gaudio A, Marucci A, Cantatore FP. Dose-dependent metabolic effect of zoledronate on primary human osteoblastic cell cultures. Clin Exp Rheumatol 2010; 28:873-879. [PMID: 21205463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2010] [Accepted: 09/13/2010] [Indexed: 05/30/2023]
Abstract
OBJECTIVES To evaluate the in vitro effect of the bisphosponate zoledronate on metabolic activity, proliferation and viability of human osteoblasts. METHODS Primary human osteoblasts cultures were obtained from cancellous bone of healthy subjects undergoing bone marrow biopsy. Cell cultures were treated with crescent concentrations of zoledronate (10⁻¹⁰to 10⁻³), with and without 1,25(OH)2 vitamin D3. In these experimental conditions we evaluated cells viability and proliferation using the MMT colorimetric test, cell apoptosis by measurement of Caspase 3 activity and metabolic cell activity through alkaline phosphatase activity and osteocalcin production. RESULTS Osteocalcin and alkaline phosphatase synthesis was significantly enhanced by 10⁻¹⁰ M to 10⁻⁵ M zoledronate concentrations, whereas was dramatically decreased by higher drug concentrations. Vitamin D3 enhanced the positive metabolic effect of zoledronate. The effect of zoledronate on cell proliferation was variable and dose-dependent. While no effect was observed with lower drug concentrations (10⁻¹⁰ M to 10⁻⁸ M), zoledronate 10⁻⁷ M increased cell proliferation. Conversely, concentrations higher than 10⁻⁷ M significantly reduced cell proliferation, in a dose-dependent manner. Osteoblast apoptosis was enhanced after treatment with the highest zoledronate concentrations. The maximum positive effect on osteoblasts metabolic activity and proliferation was observed with the zoledronate concentrations corresponding to those theoretically reached in bone microenvironment when zoledronate is used in clinical practice for post-menopausal osteoporosis treatment. CONCLUSIONS The results of this study confirm that bisphosphonates exert different cellular biochemical effects depending on dosage and support the hypothesis that their positive effect on bone mineral density could be partially due to an anabolic action on bone forming cells.
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Affiliation(s)
- A Corrado
- Rheumatology Clinic, Department of Medical and Occupational Sciences, University of Foggia, Ospedale Col. D'Avanzo, Foggia, Italy
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Santamato A, Panza F, Solfrizzi V, Frisardi V, Moretti B, Notarnicola A, Neve A, Ranieri M, Fiore P. Botulinum toxin type A in the treatment of focal hand dystonia after surgical treatment for thumb duplication. Orthopedics 2009; 32:529. [PMID: 19634837 DOI: 10.3928/01477447-20090527-07] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Dystonia is a set of disorders characterized by abnormal postures and unwanted muscle spasms that interfere with motor performance. Focal dystonias, the most common, affect just 1 body part. A 25-year-old woman had a focal hand dystonia with pain and muscle spasms in the right hand after surgical treatment for thumb duplication. According to Wassel's classification, she was type II, with duplication of the distal phalanx. She had undergone Bilhaut-Cloquet surgery to remove a radial supernumerary thumb. During repetitive movements, she reported pain and muscle cramping in the right thumb and wrist. Force was rated, according to the Medical Research Council scale, from grades 0 to 5, and the patient had a score of 4. No sign of joint instability was found in her hand, and normal active and passive range of motion were found for interphalangeal or metacarpophalangeal joints of right thumb. However, right thenar muscle hypoplasia was found. Repetitive activity acted as an environmental trigger for the reconstructed thumb on thenar muscle hypoplasia as residual anatomical modification. Surface electromyography showed movements suggestive of dystonia. After 5 days of treatment with botulinum toxin type A, with both the flexor pollicis longus and the abductor pollicis brevis of right hand injected with a dose of 20 microM each, the patient reported a regression of most signs and symptoms. Two-month follow-up revealed that clinical effects of botulinum toxin type A were still present.
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Affiliation(s)
- Andrea Santamato
- Department of Physical Medicine and Rehabilitation, University of Foggia, OORR, Viale Pinto, 71100 Foggia, Italy
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Martinelli D, Chironna M, Tafuri S, Neve A, Caputi G, Prato R, Germinario C, Quarto M. [Epidemiology of HPV infections and cervical cancer in Apulia: a survey study and current data analysis]. Ann Ig 2007; 19:499-508. [PMID: 18376570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
HPV infection is common in sexually active women and is an important risk factor for cervical cancer. The aim of this article is to describe the prevalence of HPV infection, the incidence and the mortality rates for cervical cancer and adherence to screening programs in Apulia in the light of recent introduction of anti-HPV vaccines. The prevalence of HPV was evaluated testing biological samples from 1082 women. The 33% resulted positive for HPV (80% for high-risk genotypes and 20% for low-risk genotypes). The 59% of positive samples showed only a single viral type while 37% multiple genotypes. In Apulia, from 1998 to 2005, a total of 1849 women were hospitalized for cervical cancer with a decreasing trend; the 46% had exo cervical cancer; the 22% endocervical cancer, 29% cancer of cervix without specification and 3% infiltrating cervical cancer. The mortality rate was 1,5 x 100.000. Data from PASSI study regarding cervical cancer screening showed that 62% of Apulian women 25-64 years aged had a Pap smear and 54.7% get it every three years. The viral genotypes circulating in Apulia region are present in anti-HPV vaccines; this item could give information on their introduction together with actions to implement the adherence to screening program that results lower than international standard.
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Affiliation(s)
- D Martinelli
- Dipartimento di Scienze Mediche e del Lavoro, Sezione di Igiene, Università degli Studi di Foggia, Osservatorio Epidemiologico Regione Puglia, Bari
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Signorile G, Neve A, Lugoli F, Piccinni MC, Arena R, Di Marino R. Evaluation of toxic chemical parameters and ecotoxicity levels in bottled mineral waters. J Prev Med Hyg 2007; 48:10-6. [PMID: 17506232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Heavy metals, phthalates, characterizing elements, CO2 concentrations and pH and hardness levels were measured in forty samples of bottled mineral waters. In some samples arsenic, manganese, mercury and selenium were present in higher concentrations than permitted by Italian law. No significant release of phthalates from containers in PET was observed. In the same samples, toxicity tests with Daphnia magna were carried out. Toxicity levels, expressed as % of immobile organisms, ranged from 0 to 100%; generally the highest toxicity values were found in the hardwaters.
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Affiliation(s)
- G Signorile
- University of Bari, Department of Internal and Public Medicine, Section of Hygiene, Italy.
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Douglas RM, Neve A, Quittenbaum JP, Alam NM, Prusky GT. Perception of visual motion coherence by rats and mice. Vision Res 2006; 46:2842-7. [PMID: 16647739 DOI: 10.1016/j.visres.2006.02.025] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2004] [Revised: 01/17/2006] [Accepted: 02/20/2006] [Indexed: 10/24/2022]
Abstract
The coherence thresholds to discriminate the direction of motion in random-dot kinematograms were measured in rats and mice. Performance was best in the rats when dot displacement from frame-to-frame was about 2 degrees, and frame duration was less than 100 ms. Mice had coherence thresholds similar to those of rats when tested at the same step size and frame duration. Although the lowest thresholds in the rats and mice occasionally reached human levels, average rodent values ( approximately 25%) were 2-3 times higher than those of humans. These data indicate that the rodent and primate visual systems are similar in that both have local motion detectors and a system for extracting global motion from a noisy signal.
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Affiliation(s)
- R M Douglas
- Department of Ophthalmology and Visual Sciences, University of British Columbia, 2550 Willow Street, Vancouver, BC, Canada.
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Bost TC, Neve A. A New Technique of Heart Massage with a Case of Resuscitation. Ind Med Gaz 1919; 54:50-53. [PMID: 29006828 PMCID: PMC5140144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
| | - A. Neve
- MAJOR, (Temp.) R.A.M.C., Surgical Divisional Officer, War Hospital, Dartford
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Neve A. EXCISION OF WOUNDS AND FLAIL LIMBS. West J Med 1918. [DOI: 10.1136/bmj.1.2996.633-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. THE PROPHYLAXIS OF VENEREAL DISEASES. West J Med 1917. [DOI: 10.1136/bmj.1.2932.349-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. A CASE OF LEPROSY DIAGNOSED BY X RAYS. West J Med 1915; 2:814. [DOI: 10.1136/bmj.2.2866.814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. MISSIONARIES AND WAR SERVICE. West J Med 1915. [DOI: 10.1136/bmj.2.2850.276-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. The Indications for Gastro-Jejunostomy. Ind Med Gaz 1915; 50:57-58. [PMID: 29006906 PMCID: PMC5149715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Neve A. Death after Salvarsan. Ind Med Gaz 1915; 50:20. [PMID: 29007007 PMCID: PMC5149925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Neve A. Abdominal Surprises. Ind Med Gaz 1914; 49:183-185. [PMID: 29006402 PMCID: PMC5181504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Neve A. THE SURGERY OF TUBERCULOUS GLANDS. West J Med 1914; 1:813-4. [DOI: 10.1136/bmj.1.2780.813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. Sick Passengers on Liners. Ind Med Gaz 1909; 44:36. [PMID: 29005222 PMCID: PMC5167897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Neve A. Case of Pyonephrosis with Calculus: Kashmir Mission Hospital. Ind Med Gaz 1904; 39:95. [PMID: 29003960 PMCID: PMC5162732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Neve A. A Note on Operation for Hernia. Ind Med Gaz 1903; 38:19. [PMID: 29003142 PMCID: PMC5150996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Neve A. Some Cases of Malignant Pustule. Ind Med Gaz 1901; 36:299-300. [PMID: 29004111 PMCID: PMC5164067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/29/2022]
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Neve A. The Report of the Anaesthetic Committee. West J Med 1901. [DOI: 10.1136/bmj.1.2108.1307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. Indian View of the Etiology of Cholera. West J Med 1892. [DOI: 10.1136/bmj.2.1670.1451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neve A. Necrosis of Femur: Operation: Spontaneous Fracture: Amputation: Recovery. Ind Med Gaz 1884; 19:261. [PMID: 28999246 PMCID: PMC5166949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Neve A. On Malarious Urticaria. Ind Med Gaz 1883; 18:335-336. [PMID: 28998579 PMCID: PMC5144522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Neve A. Carbolic Acid Poisoning. Ind Med Gaz 1883; 18:192-193. [PMID: 28998351 PMCID: PMC5144052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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