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Rodríguez-gallego E, Gómez J, Pacheco Y, Peraire J, Viladés C, Beltrán-debón R, Mallol R, m. López-dupla, Veloso S, Alba V, Blanco J, Rull A, Cañellas N, Leal M, Correig X, Domingo P, Vidal F. A baseline metabolomic signature is associated with immunological CD4+ T-Cell recovery after 36 months of art in HIV-infected patients. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Echeverría P, Gómez-Mora E, Roura S, Bonjoch A, Puig J, Pérez-Alvarez N, Bayés-Genís A, Clotet B, Blanco J, Negredo E. Variable endothelial cell function restoration after initiation of two antiretroviral regimens in HIV-infected individuals. J Antimicrob Chemother 2018; 72:2049-2054. [PMID: 28369542 DOI: 10.1093/jac/dkx074] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 02/13/2017] [Indexed: 11/13/2022] Open
Abstract
Background The effect of ART on endothelial cell function is incompletely characterized. Methods We performed a 24 week prospective, case-control and comparative pilot study of ART-naive HIV-infected patients who started a darunavir- or rilpivirine-based regimen, matched with non-HIV-infected volunteers, to compare changes at week 24 from baseline in levels of circulating endothelial cells (CECs), endothelial progenitor cells (EPCs) and circulating angiogenic cells, as well as changes in immune-activation markers. Results The study population comprised 24 HIV-infected patients and 24 non-infected volunteers. Both HIV groups completely suppressed viraemia. HIV-infected patients had higher levels of activation markers than the control group in CD8 T cells at baseline; these decreased after 24 weeks of treatment, but without reaching the levels of the control group. No statistical differences in immune activation were seen between the darunavir and rilpivirine groups. Levels of CECs were higher and levels of EPCs and circulating angiogenic cells were lower in HIV-infected patients than in the control group, although these parameters were similar between the darunavir group and the control group, but not the rilpivirine group, at week 24. An unfavourable association was observed between rilpivirine, age and increased number of CECs. Conclusions Restoration of circulating levels of EPCs and CECs in darunavir-treated patients was greater than in those treated with rilpivirine, suggesting ongoing endothelial repair mechanisms.
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Leira Y, Blanco J. Brain natriuretic peptide serum levels in periodontitis. J Periodontal Res 2018; 53:575-581. [DOI: 10.1111/jre.12547] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2018] [Indexed: 12/11/2022]
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Swarup I, Gruskay J, Price M, Yang J, Blanco J, Perlman S, Widmann R. Propionibacterium acnes infections in patients with idiopathic scoliosis: a case-control study and review of the literature. J Child Orthop 2018; 12:173-180. [PMID: 29707057 PMCID: PMC5902752 DOI: 10.1302/1863-2548.12.170212] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
PURPOSE Surgical site infection (SSI) caused by Propionibacterium acnes is an infrequent but devastating complication after spinal fusion. The purpose of this study was to identify risk factors for SSI with Propionibacterium acnes after spinal fusion for juvenile and adolescent idiopathic scoliosis (JIS and AIS). METHODS A case-control study was performed. Each case was matched 2:1 for age, gender and diagnosis. Retrospective chart review was performed to obtain relevant demographic, surgical and clinical data for all cases and controls. Statistical analysis included paired t-test and McNemar test, as well as exact logistic regression and robust regression models. RESULTS This study included ten infection cases (eight AIS, two JIS) and 20 controls (16 AIS, four JIS). In total, six infected cases presented within two weeks of the index procedure (acute infection) and four infected cases presented more than one year from the index procedure (delayed infection). The most common presentation for acute infections was wound drainage, while back pain was more common in delayed infections. All infections were successfully treated with surgical irrigation and debridement and postoperative antibiotics. Hardware was removed for patients with delayed infections. The strongest risk factor for infection was increased requirement for blood transfusion, but it did not reach statistical significance. CONCLUSION SSI with Propionibacterium acnes is an important complication after spinal fusion for idiopathic scoliosis. These infections can be successfully treated, but larger studies are needed to further identify risk factors and establish standardized guidelines for the treatment and prevention of this complication.
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Latorre-Biel JI, Jiménez E, Pérez M, Leiva F, Martínez E, Blanco J. Simulation Model of a Production Facility of Agaricus bisporus Mycelium for Decision-Making Support. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2018. [DOI: 10.1515/ijfe-2017-0159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractSustainability and efficiency are key factors in agro-food industry, since the success of companies in this sector relies on the achievement of these objectives. Decision-making support may contribute decisively to this task. A model for a production facility of mycelium of the mushroom variety ofAgaricus bisporusis described. This model has been developed using the paradigm of the Petri nets and can be integrated in a decision support tool for performing structural analysis with the purpose of identifying certain features, such as feasible deadlocks. A complementary and promising possibility consists of using the model for performance evaluation by simulation of the behavior of the system in combination with the outcome of a life cycle assessment. This approach allows developing a what-if analysis or an optimization process to seek for good or quasi-optimal decisions taking into account financial, as well as environmental issues, among other possibilities.
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Swarup I, Derman P, Sheha E, Nguyen J, Blanco J, Widmann R. Relationship between thoracic kyphosis and neural axis abnormalities in patients with adolescent idiopathic scoliosis. J Child Orthop 2018; 12:63-69. [PMID: 29456756 PMCID: PMC5813127 DOI: 10.1302/1863-2548.12.170163] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
PURPOSE Previous studies have suggested an association between increased thoracic kyphosis and neural axis abnormalities in patients with adolescent idiopathic scoliosis (AIS). However, the basis for this finding is unclear, and this association has been mainly noted in retrospective studies on a non-consecutive series of patients. The purpose of this study was to assess the relationship between thoracic kyphosis and neural axis abnormalities in patients with AIS. METHODS We studied a consecutive series of AIS patients treated with spinal fusion. Thoracic kyphosis (T2 to T12) was measured from preoperative lateral radiographs. All patients underwent a spine magnetic resonance imaging (MRI) prior to surgery, and MRI reports were reviewed to determine the presence of neural axis abnormalities. Statistical analyses included descriptive statistics and chi-squared analysis. RESULTS This study included 210 patients with AIS. There were no significant differences in age or gender between patients with thoracic hypokyphosis (kyphosis < 20°), normal thoracic kyphosis (kyphosis 20° to 40°) and thoracic hyperkyphosis (kyphosis > 40°) (p > 0.05). Neural axis abnormalities were present in 17.9% of patients with thoracic hypokyphosis, 9.8% of patients with normal thoracic kyphosis and 13.6% of patients with thoracic hyperkyphosis (p = 0.60). There were no significant differences in rates of Chiari malformation, syrinx, intra-spinal masses and other central nervous system abnormalities between groups (p > 0.05). CONCLUSIONS Thoracic kyphosis was not associated with neural axis abnormalities in our consecutive series of patients with AIS. Increased thoracic kyphosis may not be a reliable indicator for the presence of neural axis abnormalities in patients with AIS. LEVEL OF EVIDENCE IV.
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D'Alessandro V, Irigoyen N, Blanco J, Bettiol M, Diez G. 133 Chryseobacterium respiratory tract infections in pediatric patients with cystic fibrosis. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30497-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mastrototaro F, Chimienti G, Acosta J, Blanco J, Garcia S, Rivera J, Aguilar R. Isidella elongata (Cnidaria: Alcyonacea) facies in the western Mediterranean Sea: visual surveys and descriptions of its ecological role. EUROPEAN ZOOLOGICAL JOURNAL 2017. [DOI: 10.1080/24750263.2017.1315745] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Shadfan A, Darwiche H, Blanco J, Gillenwater A, Richards-Kortum R, Tkaczyk TS. Development of a multimodal foveated endomicroscope for the detection of oral cancer. BIOMEDICAL OPTICS EXPRESS 2017; 8:1525-1535. [PMID: 28663847 PMCID: PMC5480562 DOI: 10.1364/boe.8.001525] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/06/2017] [Accepted: 02/06/2017] [Indexed: 05/11/2023]
Abstract
A multimodal endomicroscope was developed for cancer detection that combines hyperspectral and confocal imaging through a single foveated objective and a vibrating optical fiber bundle. Standard clinical examination has a limited ability to identify early stage oral cancer. Optical detection methods are typically restricted by either achievable resolution or a small field-of-view. By combining high resolution and widefield spectral imaging into a single probe, a device was developed that provides spectral and spatial information over a 5 mm field to locate suspicious lesions that can then be inspected in high resolution mode. The device was evaluated on ex vivo biopsies of human oral tumors.
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Rodríguez Cubillo B, Pérez Flores I, Calvo N, Pascual A, Cortés J, Moreno M, Blanco J, Sánchez Fructuoso A. Antibody-Mediated Acute Vascular Rejection of Kidney Allografts: Fifteen-Year Follow-up. Transplant Proc 2016; 48:2917-2919. [DOI: 10.1016/j.transproceed.2016.09.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 08/20/2016] [Accepted: 09/02/2016] [Indexed: 11/16/2022]
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Salas-Huetos A, Blanco J, Vidal F, Grossmann M, Pons MC, Garrido N, Anton E. Spermatozoa from normozoospermic fertile and infertile individuals convey a distinct miRNA cargo. Andrology 2016; 4:1028-1036. [PMID: 27676136 DOI: 10.1111/andr.12276] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 07/05/2016] [Accepted: 07/27/2016] [Indexed: 02/06/2023]
Abstract
Deciphering the underlying causes of idiopathic male infertility is one of the main challenges in reproductive medicine. This is especially relevant in infertile patients displaying normal seminal parameters and no urogenital or genetic abnormalities. In these cases, the search for additional sperm biomarkers is of high interest. This study was aimed to determine the implications of the sperm miRNA expression profiles in the reproductive capacity of normozoospermic infertile individuals. The expression level of 736 miRNAs was evaluated in spermatozoa from eight normozoospermic infertile males using TaqMan® qRT-PCR. Results were contrasted with data from 10 control normozoospermic fertile individuals analyzed under the same conditions. Clustering analysis of miRNA expression data separated the individuals according to their fertility condition (fertile and infertile). Fifty-seven miRNAs were differentially expressed (DE-miRNAs) between populations; 20 of them was regulated by a host gene promoter that in three cases comprised genes involved in fertility. The predicted targets of the DE-miRNAs (n = 8,606) unveiled a significant enrichment of biological processes related to embryonic morphogenesis and chromatin modification. Normozoospermic infertile individuals exhibit a specific sperm miRNA expression profile clearly differentiated from normozoospermic fertile individuals. This miRNA cargo has potential implications in the individuals' reproductive competence.
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Leira Y, López-Dequidt I, Arias S, Rodríguez-Yáñez M, Leira R, Sobrino T, Campos F, Blanco M, Blanco J, Castillo J. Chronic periodontitis is associated with lacunar infarct: a case-control study. Eur J Neurol 2016; 23:1572-9. [PMID: 27418418 DOI: 10.1111/ene.13080] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 06/09/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND PURPOSE Chronic periodontitis (ChP) and lacunar infarct (LI) are two common diseases amongst the elderly. Although several studies have shown an association between ischaemic stroke and ChP, little is known about the relationship between ChP and LI. The study aims to investigate whether ChP is associated with the presence of lacunar stroke. METHODS An age- and gender-matched case-control study of 62 cases (subjects diagnosed with LI) and 60 controls is reported. Clinical periodontal measures (probing pocket depth, recession, clinical attachment level, full mouth plaque score and full mouth gingival bleeding on probing score) were assessed, and associated risk factors for periodontitis and lacunar stroke were ascertained by means of a structured questionnaire. RESULTS Chronic periodontitis showed a strong association with LI after adjusting for common vascular risk factors (odds ratio 4.20; 95% confidence interval 1.81-10.20; P = 0.001). Likewise, severe ChP and LI also tended to be significantly associated, independent of other vascular covariates (odds ratio 3.53; 95% confidence interval 1.07-12.77; P = 0.04). CONCLUSIONS Chronic periodontitis was independently associated with the presence of LI after adjusting for well-known vascular risk factors for lacunar stroke. Further observational studies are necessary to investigate the pathophysiological mechanisms that can explain this relationship.
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Guerrero E, Aramburu I, Rivera N, Garcia M, Galindez E, Torre I, Garcia F, Blanco J, Fernandez O, Calvo I, Ruiz Lucea E. AB0997 Day Care Hospital Patient Attendance Circuit in Rheumatology: Introduction of A Nurse Consultation. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Flores B, Fernández C, Blanco J, Palmou Fontana N, Blanco R. FRI0482 Anti-TNFα Therapy and Switching in Severe Uveitis of Vogt-Koyanagi-Harada Syndrome. Report of Two Cases and Literature Review: Table 1. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Alvarado Vasquez E, Gomez-Espi M, Alvarez A, Calin A, Muñoz M, Blanco J, Serrano F, Gonzalez-San Segundo C, Martinez C, Santos M, Guerrero L, Davo A, Sierra I, Ayala R, Sendon R, Lopez-Bote M, Lozano M, Calvo F. EP-1479: Integration of a minituarized linear accelerator in an 20 year IOERT expert institution. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)32729-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Nibali L, Novoa L, Donos N, Henderson B, Blanco J, Tomas I. Leukocyte receptor expression in chronic periodontitis. Clin Oral Investig 2016; 20:2559-2564. [PMID: 26961374 DOI: 10.1007/s00784-016-1774-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 02/29/2016] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND OBJECTIVE Microbial recognition in the periodontium through specific leukocyte receptors gives rise to the response which in susceptible individuals can lead to periodontal diseases. The aim of this study was to explore the expression of leukocyte receptors in the gingival tissues of chronic periodontitis patients and to analyse differences between diseased and control sites (sites with probing pocket depth <4 mm). MATERIAL AND METHODS Thirty-seven chronic periodontitis patients were included in the study. Gingival biopsies were harvested from diseased and control sites and processed by flow cytometry for the determination of the expression of 16 leukocyte receptors (CD4, CD8, CD11b, CD14, CD16, CD19, CD25, CD28, CD49d, CD49e, CD62, CD71, CD80, CCR7, Ly6G and HLA-DR). RESULTS Expression of all studied receptors was higher in test compared with control sites (p < 0.005). Sampled sites with less bleeding on probing exhibited higher expression of CD16 and CD14 receptors (p = 0.020 and 0.011, respectively). CONCLUSIONS This study points towards considerable differences in the expression of leukocyte receptors between diseased and control sites in the same periodontal patients.
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Pescador D, Rendón D, Blanco J, González R, Martín JM, Cano-Gala C, Pescador D. [O-arm navigation in spinal surgery for complex cases]. ACTA ORTOPEDICA MEXICANA 2016; 30:100-104. [PMID: 27846359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The intraoperative computer-assisted navigation technique has evolved and changed the way we approach certain complex cases in the vertebral pathologies. The main advantages of this technique are that it increases the accuracy of the procedure, reduces its morbidity and invasiveness, diminishes the radiation dose and improves surgical protocols. In addition to the transpedicular fixation, the navigation system is useful in a high variety of pathologies such as spinal decompression or tumor resection. In the present study, we show several cases where navigation is used intraoperatively in different pathologies and their clinical outcomes.
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Clemente-Casares X, Blanco J, Ambalavanan P, Yamanouchi J, Singha S, Fandos C, Tsai S, Wang J, Garabatos N, Izquierdo C, Agrawal S, Keough MB, Yong VW, James E, Moore A, Yang Y, Stratmann T, Serra P, Santamaria P. Expanding antigen-specific regulatory networks to treat autoimmunity. Nature 2016; 530:434-40. [PMID: 26886799 DOI: 10.1038/nature16962] [Citation(s) in RCA: 355] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 12/24/2015] [Indexed: 12/31/2022]
Abstract
Regulatory T cells hold promise as targets for therapeutic intervention in autoimmunity, but approaches capable of expanding antigen-specific regulatory T cells in vivo are currently not available. Here we show that systemic delivery of nanoparticles coated with autoimmune-disease-relevant peptides bound to major histocompatibility complex class II (pMHCII) molecules triggers the generation and expansion of antigen-specific regulatory CD4(+) T cell type 1 (TR1)-like cells in different mouse models, including mice humanized with lymphocytes from patients, leading to resolution of established autoimmune phenomena. Ten pMHCII-based nanomedicines show similar biological effects, regardless of genetic background, prevalence of the cognate T-cell population or MHC restriction. These nanomedicines promote the differentiation of disease-primed autoreactive T cells into TR1-like cells, which in turn suppress autoantigen-loaded antigen-presenting cells and drive the differentiation of cognate B cells into disease-suppressing regulatory B cells, without compromising systemic immunity. pMHCII-based nanomedicines thus represent a new class of drugs, potentially useful for treating a broad spectrum of autoimmune conditions in a disease-specific manner.
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Lafuente D, Garcia T, Blanco J, Sánchez DJ, Sirvent JJ, Domingo JL, Gómez M. Effects of oral exposure to silver nanoparticles on the sperm of rats. Reprod Toxicol 2016; 60:133-9. [PMID: 26900051 DOI: 10.1016/j.reprotox.2016.02.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 01/13/2016] [Accepted: 02/05/2016] [Indexed: 10/22/2022]
Abstract
It has been demonstrated that exposure to silver nanoparticles (AgNPs) can induce toxicological effects in rodents. In this study, we investigated whether sub-chronic oral exposure to different doses of polyvinil pyrrolidone (PVP)-coated AgNPs (PVP-AgNPs) (50, 100 and 200mg/kg/day) could induce harmful effects on epididymal sperm rat parameters. Sperm motility, viability and morphology were examined. Moreover, a histological evaluation of testis and epididymis was also performed. High doses of PVP-AgNPs showed higher sperm morphology abnormalities, while a progressive, but not significant effect, was observed in other sperm parameters. The current results suggest that oral sub-chronic exposure to PVP-AgNPs induces slight toxicological effects in sperm rat parameters.
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Camelo-Castillo A, Novoa L, Balsa-Castro C, Blanco J, Mira A, Tomás I. Relationship between periodontitis-associated subgingival microbiota and clinical inflammation by 16S pyrosequencing. J Clin Periodontol 2015; 42:1074-82. [PMID: 26461079 DOI: 10.1111/jcpe.12470] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2015] [Indexed: 11/26/2022]
Abstract
AIM To analyse the relationship between the chronic periodontitis-associated subgingival microbiota and clinical inflammation. MATERIAL AND METHODS Sixty subjects with generalized chronic periodontitis participated in this study. Patients were divided into two groups according to their bleeding on probing (BOP) scores: BOP-1 group (mean scores ≤50% in sampled sites) and BOP-2 group (mean scores >50%). Subgingival bacterial samples from periodontal patients were studied by pyrosequencing PCR products of the 16S rRNA gene and by real-time PCR. RESULTS In all the analysed subgingival samples, 102 bacterial genera and 203 species (from 41 genera of interest) were identified. Rarefaction curves showed a greater number of bacterial species in samples from BOP-2 group compared to BOP-1 group. The BOP-1 group had significantly higher abundance percentages of Anaeroglobus (especifically, A. geminatus), Capnocytophaga (especifically C. gingivalis), TM7 and Veillonella. The BOP-2 had significantly higher abundance percentages of Desulfobulbus (especially D. propionicus), Eubacterium (especially E. saphenum), Filifactor alocis, Streptococcus constellatus, Tannerella (especially, T. forsythia) and Treponema. CONCLUSION 16S pyrosequencing revealed that increased inflammation, at sites with periodontitis, is associated with a more diverse subgingival microbiota and specific changes in the bacterial composition, involving "established" periopathogens, symbionts and novel low-abundance pathobionts.
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Garabatos N, Blanco J, Fandos C, Lopez E, Santamaria P, Ruiz A, Perez-Vidakovics ML, Benveniste P, Galkin O, Zuñiga-Pflucker JC, Serra P. A monoclonal antibody against the extracellular domain of mouse and human epithelial V-like antigen 1 reveals a restricted expression pattern among CD4- CD8- thymocytes. Monoclon Antib Immunodiagn Immunother 2015; 33:305-11. [PMID: 25357997 DOI: 10.1089/mab.2014.0030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Expression of transcripts for the homotypic adhesion protein epithelial V-like antigen 1 (EVA1), also known as myelin protein zero like-2 (Mpzl2), is known to be present in thymic stromal cells. However, protein expression within different thymic subsets, stromal and/or lymphoid, has not been characterized due a lack of specific reagents. To address this, we generated a hybridoma (G9P3-1) secreting a monoclonal antibody (G9P3-1Mab), reactive against both human and mouse EVA1. The G9P3-1Mab was generated by immunizing Mpzl2-deficient gene-targeted mice with the extracellular domain of EVA1, followed by a conventional hybridoma fusion protocol, illustrating the feasibility of using gene-targeted mice to generate monoclonal antibodies with multiple species cross-reactivity. We confirmed expression of EVA1 on cortical and medullary epithelial cell subsets and revealed a restricted pattern of expression on CD4- CD8- double negative (DN) cell subsets, with the highest level of expression on DN3 (CD44(low)CD25(+)) thymocytes. G9P3-1MAb is a valuable reagent to study thymic T cell development and is likely useful for the analysis of pathological conditions affecting thymopoiesis, such as thymic involution caused by stress or aging.
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Saiz A, Mora S, Blanco J. Cumplimiento terapéutico con terapias modificadoras de la enfermedad de primera línea en pacientes con esclerosis múltiple. Estudio COMPLIANCE. Neurologia 2015; 30:214-22. [DOI: 10.1016/j.nrl.2013.12.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 12/11/2013] [Indexed: 10/25/2022] Open
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Rdguez-Ibarria N, Pinar B, Cabezón M, Rodriguez Melcón N, Blanco J, Garcia-Cabrera L, Lloret M, Lara P. OC-0040: Risk adapted interstitial brachytherapy for breast cancer treatment: analysis of a single institution results. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)40040-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bermejo-Martín JF, Rodriguez-Fernandez A, Herrán-Monge R, Andaluz-Ojeda D, Muriel-Bombín A, Merino P, García-García MM, Citores R, Gandía F, Almansa R, Blanco J. Immunoglobulins IgG1, IgM and IgA: a synergistic team influencing survival in sepsis. J Intern Med 2014; 276:404-12. [PMID: 24815605 DOI: 10.1111/joim.12265] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVE The impact of endogenous immunoglobulin isotypes on the prognosis of patients with severe sepsis has not been sufficiently explored. The aim of this study was to evaluate the association between immunoglobulin levels in plasma and survival in patients with this condition. DESIGN AND PATIENTS A prospective multicentre cohort study was conducted. A total of 172 adult patients admitted to the intensive care unit (ICU) with severe sepsis or septic shock were recruited. Patients were classified based on deciles of immunoglobulin concentrations at diagnosis of sepsis. Categorical variables were created and tested for their association with survival during hospitalization in the ICU. RESULTS Overall, 42 patients died in the ICU during the study. Kaplan-Meier analysis showed that immunoglobulin concentrations below 300 mg dL(-1) for IgG1, 35 mg dL(-1) for IgM and 150 mg dL(-1) for IgA were associated with shorter survival times. Multivariate regression analysis showed that IgG1 < 300 mg dL(-1) was a risk factor for mortality [odds ratio (OR) 2.50, 95% confidence interval (CI) 1.04-6.03; P = 0.042]. The combined presence of IgG1, IgM and IgA levels below the described thresholds had a synergistic impact on mortality risk (OR 5.27, 95% CI 1.41-19.69; P = 0.013). A similar effect was observed for combined low levels of IgG1 and IgA (OR 4.10, 95% CI 1.28-13.12; P = 0.018) and also of IgG1 and IgM (OR 3.10. 95% CI 1.13-8.49; P = 0.028). CONCLUSIONS The combined presence of low levels of the endogenous immunoglobulins IgG1, IgM and IgA in plasma is associated with reduced survival in patients with severe sepsis or septic shock. Assessment of the concentrations of these immunoglobulins could improve the results of treatment with exogenous immunoglobulins in patients with sepsis.
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