101
|
Duque G, Alonso C. [Comment to: ''Nocturia is not associated with falls among the elderly: a population study in the city of São Paulo'']. Actas Urol Esp 2011; 35:9. [PMID: 21322829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
|
102
|
Duque G, Alonso C. Comentario editorial a: “La nicturia no se asocia con las caídas del anciano: un estudio de población en la ciudad de São Paulo”. Actas Urol Esp 2011. [DOI: 10.1016/j.acuro.2010.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
103
|
Duque G, Alonso C. Comentario editorial a: "La nicturia no se asocia con las caídas del anciano: un estudio de población en la ciudad de São Paulo". Actas Urol Esp 2011. [DOI: 10.4321/s0210-48062011000100003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
104
|
Vicario M, Guilarte M, Alonso C, Yang P, Martínez C, Ramos L, Lobo B, González A, Guilà M, Pigrau M, Saperas E, Azpiroz F, Santos J. Chronological assessment of mast cell-mediated gut dysfunction and mucosal inflammation in a rat model of chronic psychosocial stress. Brain Behav Immun 2010; 24:1166-75. [PMID: 20600818 DOI: 10.1016/j.bbi.2010.06.002] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Revised: 06/04/2010] [Accepted: 06/06/2010] [Indexed: 02/07/2023] Open
Abstract
Life stress and mucosal inflammation may influence symptom onset and severity in certain gastrointestinal disorders, particularly irritable bowel syndrome (IBS), in connection with dysregulated intestinal barrier. However, the mechanism responsible remains unknown. Crowding is a validated animal model reproducing naturalistic psychosocial stress, whose consequences on gut physiology remain unexplored. Our aims were to prove that crowding stress induces mucosal inflammation and intestinal dysfunction, to characterize dynamics in time, and to evaluate the implication of stress-induced mast cell activation on intestinal dysfunction. Wistar-Kyoto rats were submitted to 15 days of crowding stress (8 rats/cage) or sham-crowding (2 rats/cage). We measured spontaneous and corticotropin-releasing factor-mediated release of plasma corticosterone. Stress-induced intestinal chrono-pathobiology was determined by measuring intestinal inflammation, epithelial damage, mast cell activation and infiltration, and intestinal barrier function. Corticosterone release was higher in crowded rats throughout day 15. Stress-induced mild inflammation, manifested earlier in the ileum and the colon than in the jejunum. While mast cell counts remained mostly unchanged, piecemeal degranulation increased along time, as the mucosal content and luminal release of rat mast cell protease-II. Stress-induced mitochondrial injury and increased jejunal permeability, both events strongly correlated with mast cell activation at day 15. Taken together, we have provided evidences that long-term exposure to psychosocial stress promotes mucosal inflammation and mast cell-mediated barrier dysfunction in the rat bowel. The notable resemblance of these findings with those in some IBS patients, support the potential interest and translational validity of this experimental model for the research of stress-sensitive intestinal disorders, particularly IBS.
Collapse
|
105
|
Peixoto A, Santos C, Pinheiro M, Pinto P, Soares MJ, Rocha P, Gusmão L, Amorim A, van der Hout A, Gerdes AM, Thomassen M, Kruse TA, Cruger D, Sunde L, Bignon YJ, Uhrhammer N, Cornil L, Rouleau E, Lidereau R, Yannoukakos D, Pertesi M, Narod S, Royer R, Costa MM, Lazaro C, Feliubadaló L, Graña B, Blanco I, de la Hoya M, Caldés T, Maillet P, Benais-Pont G, Pardo B, Laitman Y, Friedman E, Velasco EA, Durán M, Miramar MD, Valle AR, Calvo MT, Vega A, Blanco A, Diez O, Gutiérrez-Enríquez S, Balmaña J, Ramon y Cajal T, Alonso C, Baiget M, Foulkes W, Tischkowitz M, Kyle R, Sabbaghian N, Ashton-Prolla P, Ewald IP, Rajkumar T, Mota-Vieira L, Giannini G, Gulino A, Achatz MI, Carraro DM, de Paillerets BB, Remenieras A, Benson C, Casadei S, King MC, Teugels E, Teixeira MR. International distribution and age estimation of the Portuguese BRCA2 c.156_157insAlu founder mutation. Breast Cancer Res Treat 2010; 127:671-9. [PMID: 20652400 DOI: 10.1007/s10549-010-1036-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Accepted: 07/01/2010] [Indexed: 01/18/2023]
Abstract
The c.156_157insAlu BRCA2 mutation has so far only been reported in hereditary breast/ovarian cancer (HBOC) families of Portuguese origin. Since this mutation is not detectable using the commonly used screening methodologies and must be specifically sought, we screened for this rearrangement in a total of 5,443 suspected HBOC families from several countries. Whereas the c.156_157insAlu BRCA2 mutation was detected in 11 of 149 suspected HBOC families from Portugal, representing 37.9% of all deleterious mutations, in other countries it was detected only in one proband living in France and in four individuals requesting predictive testing living in France and in the USA, all being Portuguese immigrants. After performing an extensive haplotype study in carrier families, we estimate that this founder mutation occurred 558 ± 215 years ago. We further demonstrate significant quantitative differences regarding the production of the BRCA2 full length RNA and the transcript lacking exon 3 in c.156_157insAlu BRCA2 mutation carriers and in controls. The cumulative incidence of breast cancer in carriers did not differ from that of other BRCA2 and BRCA1 pathogenic mutations. We recommend that all suspected HBOC families from Portugal or with Portuguese ancestry are specifically tested for this rearrangement.
Collapse
|
106
|
Ramon Y Cajal T, Torres A, Alonso C, Fisas D, Ojeda B, Boguña I, Prat J, Baiget M, Barnadas A. Risk factors associated with the occurrence of breast cancer after bilateral salpingo-oophorectomy in high-risk women. Cancer Epidemiol 2010; 35:78-82. [PMID: 20638925 DOI: 10.1016/j.canep.2010.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 06/16/2010] [Accepted: 06/20/2010] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Bilateral salpingo-oophorectomy (BSO) is a common procedure for preventing breast and ovarian cancer in high-risk women. The goal of this study was to determine the incidence of subsequent breast cancer (BC) in a high-risk population and to identify clinical and epidemiological predictors of BC following BSO. MATERIALS AND METHODS One hundred and thirty-three consecutive high-risk women, tested for BRCA1 and BRCA2 mutations due to family history, underwent preventive or therapeutic BSO at one of the study hospitals. One hundred and three patients had breast tissue at risk and were considered evaluable for the event-free survival analysis. Twenty-five women harbored a deleterious mutation in BRCA1 and 25 in BRCA2 genes. RESULTS Fifteen cases of invasive BC were diagnosed with a median interval of 49 months after BSO. Multivariate analysis showed that a prior BC after 50 years of age (p=0.004), age over 50 years at the time of BSO (p=0.005), and prior replacement or contraceptive hormonal treatment (p=0.007) were significantly associated with a shorter event-free survival. CONCLUSION In conclusion, age at prior diagnosis of cancer, age at BSO and prior hormonal treatment may be predictors of breast cancer after BSO.
Collapse
|
107
|
Barr J, Vazquez-Chantada M, Alonso C, Castro A, Fabre N, Vericat J. Ultra-performance liquid chromatography – high definition mass spectrometrty (UPLC™–HDMS™) as a useful tool in predictive drug toxicology. An activity of Melius project. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
108
|
Meira GR, Padaratz IJ, Alonso C, Andrade C. Efecto de la distancia al mar en la agresividad por cloruros en estructuras de hormigón en la costa brasileña. ACTA ACUST UNITED AC 2010. [DOI: 10.3989/mc.2003.v53.i271-272.302] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
109
|
Gamero M, Pariente F, Lorenzo E, Alonso C. Nanostructured rough gold electrodes for the development of lactate oxidase-based biosensors. Biosens Bioelectron 2010; 25:2038-44. [DOI: 10.1016/j.bios.2010.01.032] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Revised: 01/25/2010] [Accepted: 01/26/2010] [Indexed: 11/25/2022]
|
110
|
Pereda M, Alonso C, Burgos-Asperilla L, del Valle J, Ruano O, Perez P, Fernández Lorenzo de Mele M. Corrosion inhibition of powder metallurgy Mg by fluoride treatments. Acta Biomater 2010; 6:1772-82. [PMID: 19913114 DOI: 10.1016/j.actbio.2009.11.004] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Revised: 09/30/2009] [Accepted: 11/06/2009] [Indexed: 10/20/2022]
Abstract
Pure Mg has been proposed as a potential degradable biomaterial to avoid both the disadvantages of non-degradable internal fixation implants and the use of alloying elements that may be toxic. However, it shows excessively high corrosion rate and insufficient yield strength. The effects of reinforcing Mg by a powder metallurgy (PM) route and the application of biocompatible corrosion inhibitors (immersion in 0.1 and 1M KF solution treatments, 0.1M FST and 1M FST, respectively) were analyzed in order to improve Mg mechanical and corrosion resistance, respectively. Open circuit potential measurements, polarization techniques (PT), scanning electrochemical microscopy (SECM) and electrochemical impedance spectroscopy (EIS) were performed to evaluate its corrosion behavior. SECM showed that the local current of attacked areas decreased during the F(-) treatments. The corrosion inhibitory action of 0.1M FST and 1M FST in phosphate buffered solution was assessed by PT and EIS. Under the experimental conditions assayed, 0.1M FST revealed better performance. X-ray photoelectron spectroscopy, energy dispersive X-ray and X-ray diffraction analyses of Mg(PM) with 0.1M FST showed the presence of KMgF(3) crystals on the surface while a MgF(2) film was detected for 1M FST. After fluoride inhibition treatments, promising results were observed for Mg(PM) as degradable metallic biomaterial due to its higher yield strength and lower initial corrosion rate than untreated Mg, as well as a progressive loss of the protective characteristics of the F(-)-containing film which ensures the gradual degradation process.
Collapse
|
111
|
Lasa A, Ramón y Cajal T, Llort G, Suela J, Cigudosa JC, Cornet M, Alonso C, Barnadas A, Baiget M. Copy number variations are not modifiers of phenotypic expression in a pair of identical twins carrying a BRCA1 mutation. Breast Cancer Res Treat 2010; 123:901-5. [DOI: 10.1007/s10549-010-0877-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2010] [Accepted: 03/25/2010] [Indexed: 01/09/2023]
|
112
|
Rubio L, Alonso C, Rodríguez G, Barbosa-Barros L, Coderch L, De la Maza A, Parra J, López O. Bicellar systems for in vitro percutaneous absorption of diclofenac. Int J Pharm 2010; 386:108-13. [DOI: 10.1016/j.ijpharm.2009.11.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2009] [Revised: 11/04/2009] [Accepted: 11/06/2009] [Indexed: 11/29/2022]
|
113
|
Burgos-Asperilla L, García-Alonso MC, Escudero ML, Alonso C. Study of the interaction of inorganic and organic compounds of cell culture medium with a Ti surface. Acta Biomater 2010; 6:652-61. [PMID: 19539064 DOI: 10.1016/j.actbio.2009.06.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2009] [Revised: 06/03/2009] [Accepted: 06/11/2009] [Indexed: 11/30/2022]
Abstract
The interaction between Ti and each component of Dulbecco's modified Eagle's medium was studied in depth using different techniques, such as the measurement of the corrosion potential, electrochemical impedance spectroscopy and polarization curves. The characterization of metal surfaces was carried out by scanning electron microscopy and X-ray photoelectron spectroscopy (XPS). The adsorption process of each component was studied using the quartz crystal balance (QCM). The QCM and XPS results reveal that the adsorption kinetics for phosphate and calcium ions is slow. However, the bovine serum albumin (BSA) totally covers the Ti surface rapidly. Because the passive film (titanium oxide) has acidic hydroxyl groups, the calcium ions would have a bridging effect on the electrostatic adsorption of phosphate ions as well as that of BSA. The polarization curves reveal that the adsorbed glucose permits the ionic diffusion of the oxygen to the electrode, while the BSA and fetal bovine serum (FBS) adsorbed after 7 days of immersion act as a diffusive barrier. The impedance measurement and data fitting to the electrical equivalent circuit model show that the resistance of the proteins/TiO(2) interface, for Ti immersed in FBS, is higher than those obtained for BSA, due to the proteins present in the solution as well as the fact that the adsorbed proteins on the surface are greater.
Collapse
|
114
|
Scapigliati G, Buonocore F, Randelli E, Casani D, Meloni S, Zarletti G, Tiberi M, Pietretti D, Boschi I, Manchado M, Martin-Antonio B, Jimenez-Cantizano R, Bovo G, Borghesan F, Lorenzen N, Einer-Jensen K, Adams S, Thompson K, Alonso C, Bejar J, Cano I, Borrego JJ, Alvarez MC. Cellular and molecular immune responses of the sea bass (Dicentrarchus labrax) experimentally infected with betanodavirus. FISH & SHELLFISH IMMUNOLOGY 2010; 28:303-311. [PMID: 19925869 DOI: 10.1016/j.fsi.2009.11.008] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 11/03/2009] [Accepted: 11/07/2009] [Indexed: 05/28/2023]
Abstract
Naïve sea bass juveniles (38.4 + or - 4.5 g) were intramuscularly infected with a sublethal dose of betanodavirus isolate 378/I03, followed after 43 days by a similar boosting. This infection resulted in an overall mortality of 7.6%. At various intervals, sampling of fish tissues was performed to investigate: i) B and T lymphocyte content in organs and tissues; ii), proliferation of leucocytes re-stimulated in vitro with inactivated virus; iii) presence of serum antibody specific for betanodavirus; iv) expression of genes coding for the following immunoregulatory molecules involved in innate and acquired responses: type I IFN, Mx, IL-1, Cox-2; IL-10, TGF-beta, TCRbeta, CD4, CD8alpha, IgM, by using a quantitative PCR array system developed for sea bass. The obtained results showed a detectable increase of T cells and B cells in PBL during betanodavirus infection. Furthermore, leucocytes obtained from blood, head kidney, and gills showed a detectable "in vitro" increase in viability upon addition of inactivated viral particles, as determined by measuring intracellular ATP concentration. ELISA analysis of sera showed that exposure to nodavirus induced a low, but specific antibody titer measured 43 days after infection, despite the presence of measurable levels of natural antibody. Finally, a strong upregulation of genes coding for type I IFN, Mx, and IgM was identified after both infection and boosting. Interestingly, an upregulation of Cox-2 until boosting, and of TGF-beta and IL-10 after boosting was also observed, while the other tested genes did not show any significant variations with respect to mock-treated fish. Overall, our work represents a first comprehensive analysis of cellular and molecular immune parameters in a fish species exposed to a pathogenic virus.
Collapse
|
115
|
Petibon S, Cabal C, Blanc F, Estibals B, Alonso C. Automatic data acquisition system for testing photovoltaic conversion chains performances in real conditions. INTERNATIONAL JOURNAL OF METROLOGY AND QUALITY ENGINEERING 2010. [DOI: 10.1051/ijmqe/2010023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
|
116
|
Sánchez-Moreno M, Takenouti H, García-Jareño J, Vicente F, Alonso C. A theoretical approach of impedance spectroscopy during the passivation of steel in alkaline media. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.07.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
117
|
Tornero C, Carmen Mafe M, Castejón P, Alonso C. Estrategias de intervención para detección y tratamiento de enfermedades de transmisión sexual en personas que ejercen la prostitución. Enferm Infecc Microbiol Clin 2009; 27:606-7. [DOI: 10.1016/j.eimc.2008.12.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2008] [Revised: 12/09/2008] [Accepted: 12/18/2008] [Indexed: 11/16/2022]
|
118
|
Rezzi S, Martin FP, Alonso C, Guilarte M, Vicario M, Ramos L, Martínez C, Lobo B, Saperas E, Malagelada JR, Santos J, Kochhar S. Metabotyping of Biofluids Reveals Stress-Based Differences in Gut Permeability in Healthy Individuals. J Proteome Res 2009; 8:4799-809. [DOI: 10.1021/pr900525w] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
|
119
|
Gamero M, Alonso C. Deposition of nanostructurated gold on n-doped silicon substrate by different electrochemical methods. J APPL ELECTROCHEM 2009. [DOI: 10.1007/s10800-009-9993-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
120
|
Carcelén J, Iniesta V, Fernández-Cotrina J, Serrano F, Parejo JC, Corraliza I, Gallardo-Soler A, Marañón F, Soto M, Alonso C, Gómez-Nieto C. The chimerical multi-component Q protein from Leishmania in the absence of adjuvant protects dogs against an experimental Leishmania infantum infection. Vaccine 2009; 27:5964-73. [PMID: 19666153 DOI: 10.1016/j.vaccine.2009.07.069] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2009] [Revised: 07/06/2009] [Accepted: 07/22/2009] [Indexed: 11/28/2022]
Abstract
The protective potential against Leishmania infection of the Leishmania chimerical Q protein administered as a single (Q) or double dose (Q+Q) without adjuvant was analyzed in a double-blind placebo controlled experiment in dogs. During vaccination the protein induced an intense early anti-Q response but no reactivity against total Leishmania infantum proteins was detected. Several end-points were taken into consideration. In the vaccinated animals the amount and intensity of clinical symptoms was lower than in the control group. Pathological signs of disease were observed in liver, kidney and spleen of all dogs from the control group in contrast to the normal appearance of the organs of the vaccinated animals. Vaccination was able to induce parasite clearance in most dogs. Only 1/7 dog was parasite DNA positive in skin in the Q group in contrast to 6/7 dogs in control and 4/7 in Q+Q. Significant anti-SLA clearance was observed in the vaccinated animals at the end of the study. Differences between control and vaccinated animals were also observed at the biochemical level, DTH and nitrite oxide production.
Collapse
|
121
|
Fortuny D, Balmana J, Grana B, Torres A, Cajal TRY, Darder E, Gadea N, Velasco A, Lopez C, Sanz J, Alonso C, Brunet J. Opinion about reproductive decision making among individuals undergoing BRCA1/2 genetic testing in a multicentre Spanish cohort. Hum Reprod 2009. [DOI: 10.1093/humrep/dep112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
|
122
|
Ramon y Cajal T, Mazarico J, Lopez Pousa A, Quintana M, Sala N, Altabas M, Sebio A, Robert L, Alonso C, Barnadas A. Clinical features and outcome in primary breast sarcomas (BS): Analysis of a single-institution experience. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e21520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
e21520 Background: BS are characterised by local spread and recurrence. Controversy remains about local and adjuvant treatment. The objective of this retrospective study was to analyze clinical and pathological prognostic factors influencing the outcome of BS patients. Methods: We analyzed clinicopathological variables, treatment and outcome of 33 BS patients treated at our institution from 1966 to 2007. A single pathologist reviewed pathologic diagnoses. Kaplan Meier method was used to evaluate outcome. Mean age: 44 years (20–82y. Tumor size 57 (0–230) mm. Pathology: 17 cistosarcoma phylodes (CPh), 9 angiosarcoma, 2 extraesqueletical osteosarcoma, 2 fibrosarcomas, 1 liposarcoma, 1 leiomiosarcoma, 1 malignant fibrous histiocitoma (2.9%). Low-grade in 12, high-grade in 15 pts. Mastectomy in all but 8 patients. Adjuvant chemotherapy and radiotherapy in 9 and 7 patients. Pathological stage I- 12%, II- 65%, III- 9%, IV-3% Results: Median follow-up 71 (5–239) months. Median survival 160 months. Survival was 83%, 74% and 59% at 5, 10 and 15 year. 5/8 (62.5%) local excision patients needed rescue surgery due to local progression. 8/25 (32%) mastectomy patients progressed Local recurrence in 9 pts, distant 4 pts (radical rescue surgery in 10 pts). 7 pts death only 1 phyllodes. Mean 15-year survival for CPh was 169 vs 124 months for other histologies (p 0.06). In the univariate analysis we didn't found statistical differences according to clinical & pathological factors, stage and recurrence, on OS or PFS. Conclusions: CPh have better prognosis than other BS although its stage or size tends to be higher. Radical surgery in BS should be always considered as first treatment option. High-grade non-phylodes BS types may be considered for adjuvant chemotherapy although there were non-statistical differences in OS. No significant financial relationships to disclose.
Collapse
|
123
|
García-Alonso M, Saldaña L, Alonso C, Barranco V, Muñoz-Morris M, Escudero M. In situ cell culture monitoring on a Ti-6Al-4V surface by electrochemical techniques. Acta Biomater 2009; 5:1374-84. [PMID: 19119085 DOI: 10.1016/j.actbio.2008.11.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2008] [Revised: 10/20/2008] [Accepted: 11/20/2008] [Indexed: 10/21/2022]
Abstract
In this work, the in situ interaction between Ti-6Al-4V alloy and osteoblastic cells has been studied by electrochemical techniques as a function of time. The interaction has been monitored for cell adhesion and growth of human osteoblastic Saos-2 cells on Ti-6Al-4V samples. The study has been carried out by electrochemical techniques, e.g., studying the evolution of corrosion potential with exposure time and by electrochemical impedance spectroscopy. The impedance results have been analyzed by using different equivalent circuit models that simulate the interface state at each testing time. The adhesion of the osteoblastic cells on the Ti-6Al-4V alloy leads to surface areas with different cell coverage rates, thus showing the different responses in the impedance diagrams with time. The effect of the cells on the electrochemical response of Ti-6Al-4V alloy is clearly seen after 4 days of testing, in which two isolated and well-differentiated time constants are clearly observed. One of these is associated with the presence of the cells and the other with a passive film on the Ti-6Al-4V alloy. After 7 days of culture, the system is governed by a resistive component over a wide frequency range which is associated with an increase in the cell coverage rate on the surface due to the extracellular matrix.
Collapse
|
124
|
Alonso C. In the field of cardiac resynchronization therapy is left ventricular pacing via the coronary sinus a mature technique. Europace 2009; 11:544-5. [DOI: 10.1093/europace/eup061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
|
125
|
Ramón y Cajal T, Altés A, Paré L, del Rio E, Alonso C, Barnadas A, Baiget M. Impact of CYP2D6 polymorphisms in tamoxifen adjuvant breast cancer treatment. Breast Cancer Res Treat 2009; 119:33-8. [PMID: 19189210 DOI: 10.1007/s10549-009-0328-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Accepted: 01/20/2009] [Indexed: 10/21/2022]
Abstract
The aim of this study is to evaluate the impact of CYP2D6 genotyping in predicting disease-free survival and toxicity in breast cancer patients treated with adjuvant tamoxifen. DNA from 91 patients was genotyped using the AmpliChip CYP450 GeneChip, Roche that facilitates the classification of individuals by testing 27 alleles. When patients were grouped into group 1 (*4/*4, *4/*41, *1/*5 and *2/*5) and group 2 (the remaining genotypes), a significant difference in disease-free survival (DFS) was observed between groups (P = 0.016). The mean DFS in group 1 was 95 months in contrast with 119 months in group 2. No significant relationship was found between the CYP2D6 genotype classification and severe, mild or no toxicity (P = 0.2). Nevertheless, severe, and mild toxicity was more frequent among poor metabolizer patients than in patients with a normal metabolizer pattern (18.8 and 43.8% vs. 10.7 and 36%, respectively). In breast cancer, patients treated with adjuvant tamoxifen, non-functional and severely impaired CYP2D6 variants are associated with a worse DFS and with a higher frequency of severe and mild toxicities. Larger studies of the CYP2D6 genotype-clinical outcomes association are needed to complement initial results.
Collapse
|