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Santana A, Cajarville C, Mendoza A, Repetto JL. Including 8 hours of access to alfalfa in 1 or 2 grazing sessions in dairy cows fed a partial mixed ration: Effects on intake, behavior, digestion, and milk production and composition. J Dairy Sci 2023; 106:6060-6079. [PMID: 37474373 DOI: 10.3168/jds.2022-22743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 03/03/2023] [Indexed: 07/22/2023]
Abstract
The aim of this study was to evaluate the inclusion of alfalfa grazing during 8 h continuous or partitioned in 2 separated sessions of 4 h after each milking, on nutrient intake, digestibility, ruminal fermentation, feeding behavior, milk production, milk composition, and milk fatty acid profile, in late-lactation cows fed a partial mixed ration (PMR). Twelve dairy cows (193 ± 83 d in milk, 584 ± 71 kg of body weight) were housed in individual outdoor pens and assigned to treatments according to a 3 × 3 Latin square design replicated 4 times. The treatments were as follows: (1) control (T0), cows were fed a total mixed ration (TMR) provided ad libitum 20.0% crude protein (CP), 32.2% neutral detergent fiber (NDF); (2) fed a diet combining a PMR which had the same ingredient composition as the TMR (60% of ad libitum intake) + 1 session of 8 h of pasture (T8), continuous grazing alfalfa (Medicago sativa; 20.6% CP, 35.8% NDF) after the p.m. milking; and (3) PMR (60% of ad libitum intake) + 2 daily sessions of 4 h of access to pasture after each milking (T4+4). The experiment lasted 57 d and was divided into 3 periods of 19 d each. The first 12 d of each period was used for diet adaptation, and the last 7 d was used for data collection. No differences among treatments were observed for any of the productive variables, feeding efficiency, or purine derivatives excretion. Cows in T0 had greater intake and apparent digestibility of dry matter, organic matter, and nonfibrous carbohydrates compared with T4+4 and T8. Compared with T0, alfalfa grazing increased the concentration of C18:1 trans-11 and decreased those of C16:0 and C17:0 in milk fat. Cows in T4+4 consumed 1.1 more kg DM/d of alfalfa and N provided by alfalfa in the diet was 3 percentage points higher compared with T8 cows (266 vs. 229 g/d, respectively). In addition, T4+4 cows had a greater daily range of ruminal pH than T8 (0.73 vs. 0.93), and the highest concentrations of NH3-N were recorded during the a.m. grazing session while in T8 cows it occurred during the night. In conclusion, including 8 h of alfalfa grazing in T8 and T4+4 treatments allowed the substitution between 35.8 and 38.7% of the total dry matter intake (DMI) of a PMR (with a similar CP concentration to alfalfa) for pasture, maintaining milk solids production and increasing the C18:1 trans-11 of milk fat compared with a TMR in mid late-lactation cows. In an herbage plus PMR diet, splitting the 1 continuous grazing session of 8 h into 2 sessions of 4 h increased the proportion of energy and N provided by alfalfa pasture and reduced PMR intake, without modifying the total nutrient intake or productive performance of cows.
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Affiliation(s)
- A Santana
- Departamento de Producción Animal y Salud de los Sistemas Productivos (IPAV), Facultad de Veterinaria, Universidad de la República, San José, 801000, Uruguay
| | - C Cajarville
- Departamento de Producción Animal y Salud de los Sistemas Productivos (IPAV), Facultad de Veterinaria, Universidad de la República, San José, 801000, Uruguay
| | - A Mendoza
- Programa de Producción de Leche, Instituto Nacional de Investigación Agropecuaria (INIA), Colonia, 70002, Uruguay
| | - J L Repetto
- Departamento de Producción Animal y Salud de los Sistemas Productivos (IPAV), Facultad de Veterinaria, Universidad de la República, San José, 801000, Uruguay.
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Benton AD, Nason E, Lewis C, Vinklarek A, Santana A. Dose Matters in Evaluation of a School-Based Adolescent Sexual Health Education Program. J Sch Health 2022; 92:815-821. [PMID: 35246980 PMCID: PMC9543517 DOI: 10.1111/josh.13158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/28/2022] [Accepted: 01/30/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Research on the effects of intervention dose on outcomes within adolescent sexual health education programming is lacking. Existing research on dose typically utilizes the number of sessions as a variable. In a school setting, there are scheduling limitations, student absences, and other logistical barriers that have the potential to affect the number of sessions for an intervention and, in turn, impact the efficacy of programming. METHODS This article evaluates the effectiveness of a school-based, peer-led adolescent comprehensive sexual health education program, with a focus on dose. A repeated measures MANOVA was used to evaluate the effects of individual difference variables and intervention variables on changes in participants' knowledge and attitudes across 2 time points. Additionally, paired t-tests were used to evaluate changes in specific behaviors. RESULTS Results indicated that knowledge improved following the intervention, and specifically larger doses, measured in minutes, of the intervention were associated with larger improvements in knowledge. There were no significant effects related to attitudes or behavioral outcomes. CONCLUSIONS This study adds to the knowledge base by including analysis of how the dose of intervention may impact youth outcomes. Implications for school health practices and research are discussed.
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Affiliation(s)
- Amy D. Benton
- School of Social Work, Texas State University, 601 University DriveSan MarcosTX78666USA
| | - Erica Nason
- School of Social Work, Texas State University, 601 University DriveSan MarcosTX78666USA
| | - Carol Lewis
- Steve Hicks School of Social Work, University of Texas at Austin, 1925 San Jacinto BoulevardAustinTX78712USA
| | - Aubrey Vinklarek
- Steve Hicks School of Social Work, University of Texas at Austin, 1925 San Jacinto BoulevardAustinTX78712USA
| | - Alda Santana
- ETR Associates, 333 University Avenue, Suite 130SacramentoCA95825USA
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MARQUES F, Costa C, Gameiro J, Melo M, Gonçalves S, Santana A, Guerra J, Lopes J. POS-779 AGE OF LIVING KIDNEY DONORS: DOES IT MATTER? Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.815] [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] Open
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Mano T, Ferreira V, Ramos R, Bras P, Reis J, Grazina A, Jacinto S, Teixeira R, Oliveira E, Santana A, Melo J, Cacela D, Cruz Ferreira R. Virtual fractional flow reserve derived from coronary angiography – artery and lesion specific correlations. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 11/13/2022] Open
Abstract
Abstract
Introduction
Virtual Fractional flow reserve (vFFR) from standard non-hyperaemic invasive coronary angiography (ICA) has emerged as a promising non-invasive test to assess hemodynamic severity of coronary artery disease (CAD).
Purpose
To investigate the difference in vFFR analysis between vessels and specific lesions.
Methods
Retrospective analysis of consecutive patients (pts) who underwent invasive functional assessment (iFA) in a tertiary center between 2019 and 2020. vFFR was calculated using dedicated software (CAAS Workstation 8.4) based on coronary angiograms of the acquired in ≥2 different projections, by operators blinded to iFA results. Diagnostic performance of vFFR was evaluated and correlated with iFA, according to coronary vessel, vessel diameter at stenosis, diameter stenosis and area stenosis at lesion. vFFR was considered positive when <0.80. FFR <0.8 and iFR/RFR <0.90 were classified as positive according to current clinical standards.
Results
106 coronary arteries of 95 pts (78% male, mean age 67.8±9.7 years) underwent vFFR evaluation. ICA indications were chronic coronary syndrome in 63% or acute coronary syndrome (non-culprit lesion) in the remaining pts. VFFR accuracy was good (AUC 0.839 (p<0.001) and Pearson's correlation coefficient 0.533 (p<0.001) when vFFR was measured in the distal vessel segment. The correlation improved when vFFR were assessed at lesion site (r=0.631, p<0.001) or up to 1cm below the stenosis (0.610, p<0.001). Binary concordance of 89% were observed in RCA and LAD (Sensibility -S 68%, Specificity-Sp 96%, False positive -FP 3.8%, False negative - FN 31%, predictive positive value-PPV 87%, predictive negative value- PNV 89%), while in the circumflex coronary artery binary concordance were of 77% (S 50%; Sp 82%; FP 18%; FN 50%; PPV 33% and PNV 90%). Correlation between vFFR and iFA was higher in vessels ≥2mm (r=0.730, p<0.001). and in lesions in the extremes of the severity spectrum (Table 1).
Conclusion
vFFR has a moderate to high linear correlation to iFA, depending on the artery and type of lesion studied. The higher correlation was found when vFFR were measured at lesion site, in non-circumflex artery stenosis, in vessels ≥2mm and in vessels with mild or severe stenosis.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- T Mano
- Hospital de Santa Marta, Lisbon, Portugal
| | - V Ferreira
- Hospital de Santa Marta, Lisbon, Portugal
| | - R Ramos
- Hospital de Santa Marta, Lisbon, Portugal
| | - P Bras
- Hospital de Santa Marta, Lisbon, Portugal
| | - J Reis
- Hospital de Santa Marta, Lisbon, Portugal
| | - A Grazina
- Hospital de Santa Marta, Lisbon, Portugal
| | - S Jacinto
- Hospital de Santa Marta, Lisbon, Portugal
| | - R Teixeira
- Hospital de Santa Marta, Lisbon, Portugal
| | - E Oliveira
- Hospital de Santa Marta, Lisbon, Portugal
| | - A Santana
- Hospital de Santa Marta, Lisbon, Portugal
| | - J Melo
- Hospital de Santa Marta, Lisbon, Portugal
| | - D Cacela
- Hospital de Santa Marta, Lisbon, Portugal
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Mano T, Ferreira V, Ramos R, Oliveira E, Santana A, Melo J, Reis J, Bras P, Teixeira B, Cardoso I, Castelo A, Cacela D, Cruz Ferreira R. Feasibility of virtual fractional flow reserve derived from coronary angiography and its correlation with invasive functional assessment. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 11/14/2022] Open
Abstract
Abstract
Introduction
Invasive functional assessment (iFA) of coronary artery disease (CAD) needs expensive devices, has potential procedure-related complications and is still underutilized. Virtual Fractional Flow Reserve (vFFR) derived from invasive coronary angiography (ICA) has the potential to overcome these limitations.
Purpose
To investigate the feasibility of vFFR analysis and its correlation with iFA (iFR, RFR or FFR).
Methods
Retrospective analysis of consecutive patients (pts) who underwent iFA in a tertiary center between 2019 and 2020. vFFR was calculated using a dedicated software (CAAS Workstation 8.4) based on standard non-hyperaemic coronary angiograms acquired in ≥2 different projections, by operators blinded to iFA results. Diagnostic performance and accuracy of vFFR were evaluated. vFFR was considered positive when <0.80. FFR <0.8 and iFR/RFR <0.90 were classified as positive according to current clinical standards.
Results
Out of 113 coronary arteries of 102 pts, vFFR was successfully analysed in 106 (94%). Reasons for vFFR analysis failure were: vessel projection overlap (48%), <2 angiographic projections (28%) and table movement while acquisition (24%). From 106 coronary arteries of 95 pts with analysable vFFR (78% male, mean age 67.8±9.7 years), 90 (85%) showed agreement with the respective iFA result. The vFFR predicted which lesions were physiologically significant and which were not with accuracy, sensitivity, specificity, positive and negative predictive values of 73%, 73%, 83%, 53%, and 92% respectively. The mean difference between vFFR and iFA were −0.0484±0.096 and Pearson's correlation coefficient was 0.533 (p<0.001). The ROC area under the curve was 0.839 (0.751–0.928, p<0.001).
Conclusion
FFR were feasible in 94% of cases analysed retrospectively. As compared to gold-standard iFA, vFFR had an overall moderate accuracy in detecting ischemia-producing lesions and a negative predictive value >90%. vFFR has the potential to substantially simplify physiological coronary lesion assessment and thus improve its current uptake.
Funding Acknowledgement
Type of funding sources: None. Bland-Altman plot between vFFR and IFA
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Affiliation(s)
- T Mano
- Hospital de Santa Marta, Lisbon, Portugal
| | - V Ferreira
- Hospital de Santa Marta, Lisbon, Portugal
| | - R Ramos
- Hospital de Santa Marta, Lisbon, Portugal
| | - E Oliveira
- Hospital de Santa Marta, Lisbon, Portugal
| | - A Santana
- Hospital de Santa Marta, Lisbon, Portugal
| | - J Melo
- Hospital de Santa Marta, Lisbon, Portugal
| | - J Reis
- Hospital de Santa Marta, Lisbon, Portugal
| | - P Bras
- Hospital de Santa Marta, Lisbon, Portugal
| | - B Teixeira
- Hospital de Santa Marta, Lisbon, Portugal
| | - I Cardoso
- Hospital de Santa Marta, Lisbon, Portugal
| | - A Castelo
- Hospital de Santa Marta, Lisbon, Portugal
| | - D Cacela
- Hospital de Santa Marta, Lisbon, Portugal
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Alves-Pimenta S, Santana A, Martins J, Colaço B, Gonçalves L, Ginja M. Distraction index measurement on the dog's hip joint using a dedicated software. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11692] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The aim of this study was to test the accuracy of a new automated computer software tool for the assessment of passive hip laxity. The hip laxity was estimated using the dedicated computer software by two blinded evaluators, one previously trained and one without specific training for distraction index measurement, in two independent sessions using 230 hip joints from 115 dogs that underwent screening for passive hip laxity using the distraction view. Previously, all of these radiographs were sent to PennHIP Analysis Center for an official distraction index record. The measurement repeatability of the two sessions was adequate for both evaluators. The reproducibility of the official distraction index measurement, mean distraction index±standard deviation 0.44±0.15, was adequate (P>0.05) for the trained evaluator, 0.44±0.15, and non-adequate (P<0.05), for the non-trained evaluator 0.47±0.17. The distraction index measurement tool proposed can be used with confidence for hip laxity evaluation by trained evaluators, as it provided good repeatability and reproducibility of official reports. The simplicity of the process described leads to a less time-consuming and more affordable procedure.
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Affiliation(s)
- S. Alves-Pimenta
- University of Trás-os-Montes and Alto Douro, Portugal; University of Trás-os-Montes and Alto Douro, Portugal
| | - A. Santana
- University of Trás-os-Montes and Alto Douro, Portugal; Lusófona University, Portugal
| | - J. Martins
- University of Trás-os-Montes and Alto Douro, Portugal; Lusófona University, Portugal
| | - B. Colaço
- University of Trás-os-Montes and Alto Douro, Portugal; University of Trás-os-Montes and Alto Douro, Portugal
| | - L. Gonçalves
- University of Trás-os-Montes and Alto Douro, Portugal; Institute for Systems and Computer Engineering, Technology and Science, Portugal
| | - M. Ginja
- University of Trás-os-Montes and Alto Douro, Portugal; University of Trás-os-Montes and Alto Douro, Portugal
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Sheikh S, Wanty N, Mccalla S, Santana A, Saxena Beem S, Walker J, Holt D, Howell A, Holtz K, Williams S, Anandarajah A. AB1360-HPR A MODEL TO IMPROVE MINORITY PATIENT RECRUITMENT IN LUPUS CLINICAL TRIALS - THE AMERICAN COLLEGE OF RHEUMATOLOGY MIMICT PROJECT EXPERIENCE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.6541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:In the US, African Americans and Latinos are underrepresented in lupus clinical trials (LCTs),1despite experiencing the greatest lupus disease burden.2,3Low participation in LCTs results in inadequate data on treatment effectiveness for minority patients, and fewer opportunities for better care and treatment options.1Only one percent of minority patients are referred to clinical trials each year.4Provider barriers to making referrals include limited time and unfamiliarity with lupus and LCT opportunities.4Using US fedral grant funds, the American College of Rheumatology (ACR) developed MIMICT, a two-part model with associated materials to address provider-side LCT referral barriers. The materials include a toolkit for clinical trial sites and an educational toolkit for providers.Objectives:Our objectives are to:•Describe the US LCTs disparities.•Discuss the research methodology to evaluate the two-part MIMICT model.•Assess the feasibility of the model to increase minority involvement in clinical trials.Methods:We designed two studies to evaluate the MIMICT model.The first study used an online, pretest/posttest, two-group evaluation approach to assess the extent to which the educational toolkit increased providers‘ knowledge, attitudes, self-efficacy, and behavioral intentions to refer minority patients to clinical trial. We conducted the study in 2018 with primary care providers (PCPs) and again in 2019/2020 with speciality providers. The second study used a longitudinal, mised methods, case-study approach to explore the real-world use of the toolkits with clinical trial site teams at two university medical centers.Results:In the first study,among MIMCT-exposed PCPs, mean scores indicated statistical significance at p≤0.001 with more knowledge about referring [55.84 (sd=23.51) vs 41.76 (sd=19.98)], more self-efficacy to refer [55.00 (sd=37.22) vs. 37.99 (sd=34.42)], and more intentions to refer [61.36 (43.85) vs. 33.41 (41.16)] African American patients to LCTs among the treatment group than the control group, respectively. This presentation will discuss additional data comparing the study in 2018 and the study in 2019/2020 and look comparatively at outcomes across provider type.In the second study, we found that the driver for successful engagemetn of providers and their subsequent use of the educational toolkit was the development of a trusting relationship between the clinical trial site teams and providers in the community. The development of trust took repeated and varied modes of contact, which we will discuss in-depth.Conclusion:The MIMICT educational toolkit increase knowledge, self-efficacy, and intentions to refer lupus patients to LCTs. However, building trust between LCT sites and local providers takes time and repeated outreach, but the potential benefits to medicine and minority health are substantial.References:[1]The Society for Women’s Health Research. (2011). Dialogues on diversifying clinical trials: successful strategies for engaging women and minorities in clinical trials. Washington, DC: Food and Drug Administration, Office of Women’s Health.[2]Falasinnu, T., Chaichian, Y., Bass, M. B., & Simard, J. F. (2018). The representation of gender and race/ethnic groups in randomized clinical trials of individuals with sytemic lupus erythematosus.Current Rheumatology Reports, 20(4).[3]Pons-Estel, G. J., Alarcon, G. S., Scofield, L., Reinlib, L., & Cooper, G. S. (2010). Understanding the epidemiological progression of systemic lupus erythematosus.Seminars in Arthritis and Rheumatism, 39(4).[4]Korieth, K. (2016). Engaging healthcare providers as research facilitators.The CenterWatch Monthly, 23,1-5.Disclosure of Interests:None declared
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Soares FC, Panisi M, Sampaio H, Soares E, Santana A, Buchanan GM, Leal AI, Palmeirim JM, Lima RF. Land‐use intensification promotes non‐native species in a tropical island bird assemblage. Anim Conserv 2020. [DOI: 10.1111/acv.12568] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- F. C. Soares
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Departamento de Biologia Animal Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
| | - M. Panisi
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Departamento de Biologia Animal Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
| | - H. Sampaio
- Sociedade Portuguesa para o Estudo das Aves Lisbon Portugal
| | - E. Soares
- Associação Monte Pico, Monte Café São Tomé Democratic Republic of São Tomé and Príncipe
- Parque Natural Obô de São Tomé, Bom Sucesso São Tomé Democratic Republic of São Tomé and Príncipe
| | - A. Santana
- Associação Monte Pico, Monte Café São Tomé Democratic Republic of São Tomé and Príncipe
| | - G. M. Buchanan
- RSPB Centre for Conservation Science Royal Society for the Protection of Birds Edinburgh UK
| | - A. I. Leal
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Departamento de Biologia Animal Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Centro de Ecologia Aplicada “Professor Baeta Neves” (CEABN/ InBio), School of Agriculture University of Lisbon Tapada da Ajuda Lisbon Portugal
| | - J. M. Palmeirim
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Departamento de Biologia Animal Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
| | - R. F. Lima
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
- Associação Monte Pico, Monte Café São Tomé Democratic Republic of São Tomé and Príncipe
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Gameiro J, Jorge S, Neves M, Santana A, Guerra J. High-Urgency Renal Transplantation for Patients With Vascular Access Failure: A Single-Center Experience. Transplant Proc 2019; 51:1571-1574. [PMID: 30833028 DOI: 10.1016/j.transproceed.2019.01.043] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In the face of access failure for renal replacement therapy or severe complications despite or due to dialysis, high-urgency renal transplant (HU-RT) allocation is possible. Vascular access failure patients have multiple comorbidities and a higher risk of cardiovascular and thrombotic events. Thus, it is presumed that graft and patient survivals might be worse for these patients. The aim of this paper was to analyze the characteristics and outcomes of HU-RT patients due to access failure for renal replacement therapy when comparing them to a population of deceased-donor renal transplant (DDRT) patients. We analyzed data from our Renal Transplantation Unit from January 2006 to April 2017. In this period, 374 patients had a renal transplant. Of these, 11 patients received a high-urgency deceased-donor renal transplant (HU-DDRT). Compared with patients who had a DDRT, HU-DDRT patients were predominantly female (54.5% vs 43.5%, P = .007) and younger (41.6 ± 7.9 vs 49.4 ± 11.8, P = .031). HU-DDRT patients were not significantly more sensitized than DDRT (14.1 ± 27.4 vs 13.5 ± 24.1, P = .935), and had a comparable number of HLA mismatches (3.4 ± 1.4 vs 3.6 ± 1.2, P = .343). Despite the higher incidence in hypertensive (90.9 vs 73.5%, P = .196) and diabetic patients (27.3% vs 15.7%, P = .305) in the HU-DDRT group, this difference was not statistically significant. The percentage of retransplantation was similar in both groups (9.1% vs 7.2%, P = .808). Donor sex, age, and baseline serum creatinine were similar between the groups. There was an increased proportion of expanded criteria donors in HU-DDRT (54.5% vs 25.1%, P = .028). There were no differences in cold or warm ischemia time nor in serum creatinine at discharge or during the first 2 years of follow-up. In both groups, a similar proportion of patients experienced acute rejection episodes. Comparable to DDRT patients, HU-DDRT patients had a high proportion of graft survival at the 1-year follow-up (90.9% vs 93.1%, P = .777). At a 2-year follow-up, graft survival was lower in the HU-DDRT group (81.8% vs 91.5%, P = .267). Mean follow-up for both groups was comparable (78.5 ± 46.7 vs 68.4 ± 40.8 months, P = .424). Overall, graft loss occurred in approximately 36.4% of HU-DDRT patients and 20.9% of DDRT patients (P = .219). Both groups had an overall mortality rate of around 9%. The differences were not statistically significant due to the limited number of patients. More comorbidities and reportedly worse cardiovascular prognosis of access failure (AF) patients and use of expanded criteria donors did not negatively reflect in worse short-term outcomes in our cohort, which highlights the importance of HU-RT in prolonging the survival of AF patients.
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Affiliation(s)
- J Gameiro
- Division of Nephrology and Renal Transplantation, Department of Medicine, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal.
| | - S Jorge
- Division of Nephrology and Renal Transplantation, Department of Medicine, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal
| | - M Neves
- Division of Nephrology and Renal Transplantation, Department of Medicine, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal
| | - A Santana
- Division of Nephrology and Renal Transplantation, Department of Medicine, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal
| | - J Guerra
- Division of Nephrology and Renal Transplantation, Department of Medicine, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal
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Saro I, García-Verdugo C, González-Pérez MA, Naranjo A, Santana A, Sosa PA. Genetic structure of the Canarian palm tree (Phoenix canariensis) at the island scale: does the 'island within islands' concept apply to species with high colonisation ability? Plant Biol (Stuttg) 2019; 21:101-109. [PMID: 30230155 DOI: 10.1111/plb.12913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
Oceanic islands are dynamic settings that often promote within-island patterns of strong population differentiation. Species with high colonisation abilities, however, are less likely to be affected by genetic barriers, but island size may impact on species genetic structure regardless of dispersal ability. The aim of the present study was to identify the patterns and factors responsible for the structure of genetic diversity at the island scale in Phoenix canariensis, a palm species with high dispersal potential. To this end, we conducted extensive population sampling on the three Canary Islands where the species is more abundant and assessed patterns of genetic variation at eight microsatellite loci, considering different within-island scales. Our analyses revealed significant genetic structure on each of the three islands analysed, but the patterns and level of structure differed greatly among islands. Thus, genetic differentiation fitted an isolation-by-distance pattern on islands with high population densities (La Gomera and Gran Canaria), but such a pattern was not found on Tenerife due to strong isolation between colonised areas. In addition, we found a positive correlation between population geographic isolation and fine-scale genetic structure. This study highlights that island size is not necessarily a factor causing strong population differentiation on large islands, whereas high colonisation ability does not always promote genetic connectivity among neighbouring populations. The spatial distribution of populations (i.e. landscape occupancy) can thus be a more important driver of plant genetic structure than other island, or species' life-history attributes.
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Affiliation(s)
- I Saro
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (IUNAT), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Canary Islands, Spain
| | - C García-Verdugo
- Departamento de Biodiversidad Molecular y Banco de ADN, Jardín Botánico Canario "Viera y Clavijo"- Unidad Asociada CSIC, Cabildo de Gran Canaria, Las Palmas de Gran Canaria, Canary Islands, Spain
- Institut Mediterrani d'Estudis Avançats (CSIC-UIB), Global Change Research Group, Esporles, Balearic Islands, Spain
| | - M A González-Pérez
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (IUNAT), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Canary Islands, Spain
| | - A Naranjo
- Departamento de Geografía, Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Canary Islands, Spain
| | - A Santana
- Departamento de Matemáticas, Campus de Tafira, Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Canary Islands, Spain
| | - P A Sosa
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (IUNAT), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Canary Islands, Spain
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Doudican N, Santana A, Felsen D, Carucci J. 136 A metabolic assay to assess human T-cell activation in squamous cell carcinoma. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.141] [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: 10/17/2022]
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Santana A, Roudiani N, Laursen K, Felsen D, Carucci J. 207 Cancer testis antigen melanoma-associated antigen A3 (MAGE-A3) promotes cutaneous squamous cell carcinoma growth in vivo. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.212] [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: 10/17/2022]
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Abikhair M, Roudiani N, Chen J, Santana A, Doudican N, Proby C, Felsen D, Carucci J. 454 Ruxolitinib inhibits cyclosporine a (CSA) induced proliferation of squamous cell carcinoma (SCC): Implications for treating catastrophic SCC in organ transplant recipients (OTRs). J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.461] [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: 10/17/2022]
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Herrera A, Asensio M, Martínez I, Santana A, Packard T, Gómez M. Microplastic and tar pollution on three Canary Islands beaches: An annual study. Mar Pollut Bull 2018; 129:494-502. [PMID: 29106939 DOI: 10.1016/j.marpolbul.2017.10.020] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/06/2017] [Accepted: 10/07/2017] [Indexed: 06/07/2023]
Abstract
Marine debris accumulation was analyzed from three exposed beaches of the Canary Islands (Lambra, Famara and Las Canteras). Large microplastics (1-5mm), mesoplastics (5-25mm) and tar pollution were assessed twice a month for a year. There was great spatial and temporal variability in the Canary Island coastal pollution. Seasonal patterns differed at each location, marine debris concentration depended mainly of local-scale wind and wave conditions. The most polluted beach was Lambra, a remote beach infrequently visited. The types of debris found were mainly preproduction resin pellets, plastic fragments and tar, evidencing that pollution was not of local origin, but it cames from the open sea. The levels of pollution were similar to those of highly industrialized and contaminated regions. This study corroborates that the Canary Islands are an area of accumulation of microplastics and tar rafted from the North Atlantic Ocean by the southward flowing Canary Current.
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Affiliation(s)
- A Herrera
- Marine Ecophysiology Group (EOMAR), IU- ECOAQUA. Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain.
| | - M Asensio
- Snorkeling Experience, Avenida Mesa y López 57, 15, 3510 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - I Martínez
- Marine Ecophysiology Group (EOMAR), IU- ECOAQUA. Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain
| | - A Santana
- Mathematics Department, Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain
| | - T Packard
- Marine Ecophysiology Group (EOMAR), IU- ECOAQUA. Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain
| | - M Gómez
- Marine Ecophysiology Group (EOMAR), IU- ECOAQUA. Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain
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Ministro A, Ferreira T, Batista L, Santana A, Alves N, Guerra J, Fernandes E Fernandes J. Mycotic Pseudoaneurysm After Kidney Transplantation: Two Case Reports. Transplant Proc 2018; 49:906-912. [PMID: 28457423 DOI: 10.1016/j.transproceed.2017.01.052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Vascular complications after kidney transplantation may cause allograft loss. Here, we describe 2 patients with extrarenal mycotic pseudoaneurysm after kidney transplantation. PATIENTS Patient 1 was a 54-year-old man who developed pseudoaneurysm 60 days after transplantation, and patient 2 was a 48-year-old woman who was diagnosed with a pseudoaneurysm 5 months after transplantation. RESULTS Patient 1 had a deceased-donor kidney transplant with end-to-side external iliac arterial anastomosis that was reconstructed 8 days after transplantation owing to rupture and major bleeding. At 60 days after transplantation, he had high serum creatinine level and Doppler ultrasonography showed a pseudoaneurysm of the arterial graft anastomosis and postanastomotic renal artery stenosis. Treatment included surgical excision of the pseudoaneurysm, vascular reconstruction, and fluconazole, with mycologic culture of the resected pseudoaneurysm showing Candida albicans. Patient 2 developed nondisabling intermittent claudication at 5 months after kidney transplantation, with a pseudoaneurysm subsequently observed on Doppler ultrasonography and computerized tomographic angiography. Treatment included renal artery thrombectomy and common iliac bypass to the hilar donor renal artery with inverted ipsilateral long saphenous vein. Operative samples showed C albicans, and she was treated with fluconazole. Both patients had satisfactory outcomes, and both kidney allografts were preserved. CONCLUSIONS Extrarenal mycotic pseudoaneurysms after kidney transplantation require a high index of suspicion for early diagnosis, and preservation of the kidney graft may be achieved with the use of surgical treatment and antifungal therapy.
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Affiliation(s)
- A Ministro
- Kidney Transplant Unit, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal; Vascular Surgery Department, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal.
| | - T Ferreira
- Vascular Surgery Department, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
| | - L Batista
- Kidney Transplant Unit, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
| | - A Santana
- Kidney Transplant Unit, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
| | - N Alves
- Kidney Transplant Unit, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
| | - J Guerra
- Kidney Transplant Unit, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
| | - J Fernandes E Fernandes
- Vascular Surgery Department, Hospital de Santa Maria, North Lisbon Hospital Center, Lisbon Academic Medical Center, Lisbon, Portugal
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Rodrigues N, Santana A, Guerra J, Neves M, Nascimento C, Gonçalves J, da Costa AG. Serum Magnesium and Related Factors in Long-Term Renal Transplant Recipients: An Observational Study. Transplant Proc 2017; 49:799-802. [PMID: 28457398 DOI: 10.1016/j.transproceed.2017.01.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Low serum magnesium (MgS) is a known risk factor for cardiovascular and mineral bone disease. In renal transplant recipients (RTRs), low MgS levels have been related to higher glomerular filtration rates (GFR) and with calcineurin inhibitors, particularly tacrolimus. We aimed to evaluate MgS in renal transplant recipients with over 1 year of follow-up to establish related risk factors and the impact of the use of cyclosporine versus tacrolimus. METHODS Cross-sectional study of 94 RTRs with more than 12 months of follow-up. Hypomagnesemia was defined as serum magnesium level <1.5 mg/dL. RESULTS Hypomagnesemia was found in 5.3% of patients. MgS showed a negative correlation with creatinine clearance. A positive correlation between MgS with urinary magnesium and phosphorus was found. Cyclosporine versus tacrolimus analysis did not show a significant difference regarding MgS when considering all the population and the subgroup of patients with GFR >45 mL/min/1.73 m2. On the subgroup with GFR <45 mL/min/1.73 m2, those on tacrolimus had lower MgS than those on cyclosporine, but those same patients presented with significantly different GFR, higher in the tacrolimus subgroup. CONCLUSIONS Hypomagnesemia has a low prevalence in RTRs with more than 1 year of follow-up. MgS levels evidenced a strong correlation with GFR. A significant difference on MgS levels between patients on tacrolimus and cyclosporine was found only when considering GFR <45 mL/min/1.73 m2, in which patients on tacrolimus had significantly higher GFR than patients on cyclosporine, which may explain these results.
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Affiliation(s)
- N Rodrigues
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
| | - A Santana
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J Guerra
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - M Neves
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - C Nascimento
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J Gonçalves
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A G da Costa
- Department of Nephrology and Renal Transplantation, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
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Abikhair M, Roudiani N, Santana A, Chen J, Felsen D, Carucci J. 323 IL-22 promotes early aggressive behavior of cutaneous squamous cell carcinoma (SCC); A murine xenograft model. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.339] [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: 11/29/2022]
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Pereira M, Guerra J, Neves M, Gonçalves J, Santana A, Nascimento C, da Costa AG. Predictive Factors of Acute Rejection in Low Immunologic Risk Kidney Transplant Recipients Receiving Basiliximab. Transplant Proc 2017; 48:2280-2283. [PMID: 27742279 DOI: 10.1016/j.transproceed.2016.06.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
INTRODUCTION The optimal immunosuppressive induction therapy in kidney transplant recipients with low immunologic risk of acute rejection (AR) is still controversial. The use of basiliximab (BSX) has led to a significant decrease of AR with a low side effect profile. OBJECTIVE This study sought to evaluate predictive risk factors for AR in low immunologic risk patients subjected to immunosuppressive induction therapy with BSX. METHODS We reviewed all low immunologic risk patients (panel reactive antibody [PRA] level <50%, who had undergone a first deceased-donor transplant) subjected to immunosuppressive induction therapy with BSX, calcineurin inhibitor, mycophenolate mofetil, and prednisolone (n = 346). AR was defined as any rejection occurring until 12 months posttransplantation. Predictive risk factors for AR were evaluated by logistic regression and, to find the best cut-off of PRA related to a higher incidence of AR, receiver-operator characteristic (ROC) curve analysis was performed. RESULTS The rate of AR was 7.8%. Multivariate logistic regression analysis identified age at the time of transplantation (P = .040) and PRA level (P = .001) as independent risk factors for AR. ROC curve analysis confirmed that PRA >10% was related to an increased incidence of AR (19.2% vs 6.0%, P = .005). CONCLUSIONS A higher incidence of AR was observed in low immunologic risk kidney transplant patients with a PRA level >10%. These data support the use of more intensive immunosuppressive induction therapy in patients with low immunologic risk and a PRA level >10%.
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Affiliation(s)
- M Pereira
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
| | - J Guerra
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - M Neves
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J Gonçalves
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A Santana
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - C Nascimento
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A G da Costa
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
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Santana A, Afonso P, Zanin A, Wernke R. Costing models for capacity optimization in Industry 4.0: Trade-off between used capacity and operational efficiency. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.promfg.2017.09.193] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Pereira M, Guerra J, Gonçalves J, Santana A, Nascimento C, da Costa AG. Hyperacute Rejection in a Kidney Transplant With Negative Crossmatch: A Case Report. Transplant Proc 2016; 48:2384-2386. [PMID: 27742303 DOI: 10.1016/j.transproceed.2016.06.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Hyperacute rejection (HAR) is a rare event that can be prevented by crossmatch tests that detect anti-human leukocyte antigen antibodies against the donor. We present the case of a 43-year-old man who underwent a deceased-donor kidney transplantation with a negative complement-dependent cytotoxicity and a negative flow cytometry crossmatch. Luminex technology detected anti-DQ donor-specific antibodies (DSA) with a mean fluorescence intensity of 11,000. A single plasmapheresis session was carried out, followed by immunosuppression with immunoglobulin, antithymocyte globulin, tacrolimus, and methylprednisolone. Minutes after graft reperfusion, in the presence of clinical evidence of HAR, the patient underwent nephrectomy. The investigation for the presence of anti-major histocompatibility complex class I-related chain A and anti-endothelial antibodies was negative. This case reinforces the importance of DSA, and more specifically, of anti-DQ DSA in the allogeneic response when detected by solid-phase tests, even with a negative crossmatch, assuming they can be responsible for HAR.
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Affiliation(s)
- M Pereira
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
| | - J Guerra
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J Gonçalves
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A Santana
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - C Nascimento
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A G da Costa
- Nephrology and Kidney Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
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Chaitanya Kumar S, Esteban-Martin A, Santana A, Zawilski KT, Schunemann PG, Ebrahim-Zadeh M. Pump-tuned deep-infrared femtosecond optical parametric oscillator across 6-7 μm based on CdSiP 2. Opt Lett 2016; 41:3355-3358. [PMID: 27420534 DOI: 10.1364/ol.41.003355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report on a high-power femtosecond optical parametric oscillator (OPO) at 80 MHz repetition rate, tunable across 6318-7061 nm in the deep-infrared (deep-IR) using pump wavelength tuning. The OPO, based on CdSiP2 (CSP), is synchronously pumped by a commercial Ti:sapphire-pumped femtosecond OPO in the near-IR, enabling rapid static tuning of the CSP OPO with minimal adjustments to its cavity length. The deep-IR CSP OPO provides as much as 32 mW of average idler power at 6808 nm with spectral bandwidth >1000 nm (at -10 dB level) across the tuning range. By implementing intracavity dispersion control, near-transform-limited signal pulses of ∼100 fs duration with smooth single-peak spectrum are achieved at 1264 nm, corresponding to an idler wavelength at 6440 nm. To the best of our knowledge, this is the first time such practical idler powers in the deep-IR have been generated from a dispersion-compensated CSP femtosecond OPO at sub-100 MHz repetition rate.
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Roudiani N, Abikhair M, Santana A, Felsen D, Carucci J. 152 Defining gene expression profiles for subtypes of high risk squamous cell carcinoma [SCC] using RNA from formalin fixed paraffin embedded specimens [FFPEs]. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.179] [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: 10/21/2022]
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Abstract
BACKGROUND The major issues involved in the decision to donate are the perioperative risk and the risk of chronic kidney disease or even end-stage renal disease. The usual glomerular filtration rate (GFR) in kidney donors after transplantation is approximately 70% of the predonation rate; however, some have a GFR <60 mL/min/1.73 m(2). So after kidney donation, mild to moderate renal insufficiency may occur. Thus, it is important to identify predictor factors of postdonation kidney function. OBJECTIVES To evaluate the influence of predictor factors in the evolution of the remaining kidney function and to quantify nonpredictable and unexpected developments in GFR at 1 year post donation. METHODS We performed a study of the evolution of renal function pre- and postnephrectomy of 55 living donors without perioperative comorbidities and a mean follow-up of 6.03 ± 2.7 years. RESULTS One year after nephrectomy donor function was 32% lower than the prenephrectomy value and 21% of donors had an eGFR <60 mL/min/1.73 m(2). In multivariate logistic regression a living donor with a predonation eGFR <100 but >80 mL/min/1.73 m(2) had 5.24 times a chance of having an eGFR <60 mL/min/1.73 m(2) at 1 year post donation than if he had an eGFR ≥100 mL/min/1.73 m(2). Among 15 donors with prenephrectomy eGFR ≥80 and <100 mL/min/1.73m(2), 8 (53%), RR = 3.26 (1.517-7.012) had eGFR <60 mL/min/ 1.73 m(2). CONCLUSIONS The eGFR predonation and donor age influenced the first-year postnephrectomy eGFR. Some donors had a more accelerated eGFR fall, not always related to predonation eGFR and age.
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Affiliation(s)
- J Guerra
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
| | - M J Melo
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A Santana
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J Gonçalves
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - C Nascimento
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A G da Costa
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
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Guerra J, Melo MJ, Gonçalves JA, Nascimento C, Santana A, da Costa AG. Renal transplantation in type 1 diabetes mellitus: an unusual case report. Transplant Proc 2015; 47:1042-4. [PMID: 26036514 DOI: 10.1016/j.transproceed.2015.03.032] [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] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Diabetes mellitus (DM) may progress to diabetic nephropathy (DN) in approximately 40% of cases and it accounts for one of the most common causes of end-stage of renal disease (ESRD). The pathogenesis of DN involves complex interactions between metabolic and hemodynamic factors. DM type 1 has a dominant impact on morbidity and mortality after renal transplantation. We report a kidney transplantation patient with DM and DN as the etiology of end-stage renal disease and whose post-transplantation evolution over 19 years was remarkably atypical. DM was diagnosed at the age of 7 years and the patient suffered a rapid and aggressive progression of her disease with early development of DN and diabetic retinopathy. Nineteen years post-transplantation, the patient shows neither deterioration of graft function nor clinical reactivation of DN. There seems to be two quite distinct answers to the same injury supported by a group of factors that led to micro- and macrovascular lesions, all present before transplantation and potentially aggravated through some immunosuppressive therapy. This clinical evolution suggests the hypothesis that not only the graft but also the donor may have inherent characteristics that enabled him to display the resistance to DN despite the genetic susceptibility of the receptor. The answers to these questions would help to explain why some patients with diabetes progress to macro- and microvascular complications and others remain resistant to developing these vascular disorders. In this case, the resistance to DN is apparently a feature related to the donor.
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Affiliation(s)
- J Guerra
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
| | - M J Melo
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - J A Gonçalves
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - C Nascimento
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A Santana
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - A G da Costa
- Nephrology and Renal Transplantation Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
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Fleitas J, Tejedor-Junco M, Santana A, Andrada M, Ramírez A. Mathematical method for calculating the sensitivity of a real-time trans-PCR analysis for Coxiella burnetii in goat milk. Small Rumin Res 2015. [DOI: 10.1016/j.smallrumres.2014.09.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Sempere JM, Martinez-Peinado P, Arribas MI, Reig JA, De La Sen ML, Zubcoff JJ, Fraga MF, Fernández AF, Santana A, Roche E. Single cell-derived clones from human adipose stem cells present different immunomodulatory properties. Clin Exp Immunol 2014; 176:255-65. [PMID: 24666184 PMCID: PMC3992038 DOI: 10.1111/cei.12270] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2014] [Indexed: 12/18/2022] Open
Abstract
Human adipose mesenchymal stem cells are a heterogeneous population, where cell cultures derived from single-cell-expanded clones present varying degrees of differential plasticity. This work focuses on the immunomodulatory/anti-inflammatory properties of these cells. To this end, five single-cell clones were isolated (generally called 1.X and 3.X) from two volunteers. Regarding the expression level of the lineage-characteristic surface antigens, clones 1·10 and 1·22 expressed the lowest amounts, while clones 3·10 and 3·5 expressed more CD105 than the rest and clone 1·7 expressed higher amounts of CD73 and CD44. Regarding cytokine secretion, all clones were capable of spontaneously releasing high levels of interleukin (IL)-6 and low to moderate levels of IL-8. These differences can be explained in part by the distinct methylation profile exhibited by the clones. Furthermore, and after lipopolysaccharide stimulation, clone 3.X produced the highest amounts of proinflammatory cytokines such as IL-1β, while clones 1·10 and 1·22 highly expressed IL-4 and IL-5. In co-culture experiments, clones 1.X are, together, more potent inhibitors than clones 3.X for proliferation of total, CD3(+) T, CD4(+) T and CD8(+) T lymphocytes and natural killer (NK) cells. The results of this work indicate that the adipose stem cell population is heterogeneous in cytokine production profile, and that isolation, characterization and selection of the appropriate cell clone is a more exact method for the possible treatment of different patients or pathologies.
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Affiliation(s)
- J M Sempere
- Immunology Division, Biotechnology Department, University of AlicanteSan Vicente del Raspeig, Alicante, Spain
| | - P Martinez-Peinado
- Immunology Division, Biotechnology Department, University of AlicanteSan Vicente del Raspeig, Alicante, Spain
| | - M I Arribas
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel HernandezElche, Alicante, Spain
| | - J A Reig
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel HernandezElche, Alicante, Spain
| | - M L De La Sen
- Immunology Division, Biotechnology Department, University of AlicanteSan Vicente del Raspeig, Alicante, Spain
| | - J J Zubcoff
- Department of Statistics, University of AlicanteSan Vicente del Raspeig, Alicante, Spain
| | - M F Fraga
- Department of Immunology and Oncology, National Center for Biotechnology, CNB-CSICCantoblanco, Madrid, Spain
- Cancer Epigenetics Laboratory, Institute of Oncology of Asturias (IUOPA), HUCA, University of OviedoOviedo, Asturias, Spain
| | - A F Fernández
- Cancer Epigenetics Laboratory, Institute of Oncology of Asturias (IUOPA), HUCA, University of OviedoOviedo, Asturias, Spain
| | - A Santana
- Research Unit, Gran Canaria Hospital Dr Negrin and Genetic Unit, Childhood Hospital ComplexLas Palmas, Canary Islands, Spain
| | - E Roche
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel HernandezElche, Alicante, Spain
- CIBERobn (Fisiopatología de la Obesidad y la Nutrición CB12/03/30038), Instituto de Salud Carlos IIIMajadahonda, Madrid, Spain
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Maçaira J, Santana A, Costa A, Ramirez E, Larrayoz MA. Process Intensification Using CO2 As Cosolvent under Supercritical Conditions Applied to the Design of Biodiesel Production. Ind Eng Chem Res 2014. [DOI: 10.1021/ie402657e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. Maçaira
- LEPABE–Faculdade
de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias s/n , 4200-465 Porto, Portugal
| | - A. Santana
- Department
of Chemical Engineering. Universitat Politécnica de Catalunya. Av. Diagonal
647, 08028 Barcelona, Spain
| | - A. Costa
- Department
of Chemical Engineering. Universidade Federal de Santa Catarina, Centro
Tecnológico, 88040-900, Florianópolis, Brazil
| | - E. Ramirez
- Chemical
Engineering Department, Faculty of Chemistry, Universitat de Barcelona, Martí I Franquès 1, 08028, Barcelona Spain
| | - M. A. Larrayoz
- Department
of Chemical Engineering. Universitat Politécnica de Catalunya. Av. Diagonal
647, 08028 Barcelona, Spain
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Alías L, Barceló M, Bernal S, Martínez-Hernández R, Also-Rallo E, Vázquez C, Santana A, Millán J, Baiget M, Tizzano E. Improving detection and genetic counseling in carriers of spinal muscular atrophy with two copies of theSMN1gene. Clin Genet 2013; 85:470-5. [DOI: 10.1111/cge.12222] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 06/21/2013] [Accepted: 06/21/2013] [Indexed: 11/27/2022]
Affiliation(s)
- L. Alías
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - M.J. Barceló
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - S. Bernal
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - R. Martínez-Hernández
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - E. Also-Rallo
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - C. Vázquez
- Clinical Genetics Unit; Hospital Materno Infantil de Las Palmas; Gran Canaria Spain
| | - A. Santana
- Clinical Genetics Unit; Hospital Materno Infantil de Las Palmas; Gran Canaria Spain
- CIBERER (U740); La Laguna, Tenerife Spain
- Research Unit; Hospital Dr Negrin de Las Palmas; Gran Canaria Spain
| | - J.M. Millán
- Hospital La Fe; Valencia Spain
- CIBERER (U755); Valencia Spain
| | - M. Baiget
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
| | - E.F. Tizzano
- Servicio de Genética; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
- CIBERER (U705); Barcelona Spain
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Teixeira C, El Bouazzaoui Z, Guerra J, Raimundo M, Santana A, Mil-Homens MC, Gomes da Costa A. Are there real advantages of induction therapy with basiliximab in renal transplantation? Transplant Proc 2013; 45:1073-5. [PMID: 23622629 DOI: 10.1016/j.transproceed.2013.02.088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Randomized clinical trials have supported the use of interleukin-2 receptor (IL-2R) antagonists as induction therapy in renal transplantation. This strategy has reduced the incidence of acute rejection episodes (ARE) but not improved graft survival. Our objective was to investigate the impact of induction therapy using the IL-2R antagonist basiliximab, as compared with no induction therapy, on relevant clinical outcomes-initial length of stay, incidence of ARE, long-term graft function, and graft survival. METHODS We retrospectively reviewed the medical records of patients transplanted in a tertiary care center between 1996 and 2011. We selected patients who received cyclosporine, mycophenolate mofetil, and prednisolone (n = 334) to classify as: no induction therapy (n = 131; group 1); induction therapy with basiliximab (n = 203; group 2). Estimated glomerular filtration rate (eGFR) was assessed with the 4-variable Modification of Diet in Renal Disease (MDRD) equation. RESULTS Mean follow-up was 72.7 ± 35.4 months. Patients who received basiliximab had a shorter mean hospital stay (19.2 versus 22.5 days; P = .02), lower incidence of ARE (10.8% versus 23.7%; P = .02) and better graft function post transplantation at 12 months (mean eGFR 59.4 ± 18.4 versus 54.8 ± 18.7 mL/min/1.73 m(2); P = .015) and 5 years (mean eGFR 64.1 ± 21.5 versus 55.4 ± 19.6 mL/min/1.73 m(2); P = .009). On multivariate analysis, induction therapy with basiliximab was independently associated with a lower incidence of ARE and better graft function at 1 and 5 years after transplantation. There was no difference in 5-year graft survival between the two groups (log-rank: P = .54). CONCLUSIONS Induction therapy with basiliximab was associated with a reduced incidence of ARE and better long-term graft function but no difference in 5-year graft survival.
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Affiliation(s)
- C Teixeira
- Department of Nephrology and Renal Transplantation, Hospital de Santa Maria, Lisbon, Portugal
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Guerra J, Raimundo M, Teixeira C, Santana A, Cortesão A, Gomes da Costa A. Factors That May Influence Estimated Glomerular Filtration Rate in Patients With Excellent Graft Function 10 Years Posttransplant. Transplant Proc 2013; 45:1060-2. [DOI: 10.1016/j.transproceed.2013.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Martínez-Montero P, Muñoz-Calero M, Vallespín E, Campistol J, Martorell L, Ruiz-Falcó MJ, Santana A, Pons R, Dinopoulos A, Sierra C, Nevado J, Molano J. PLP1gene analysis in 88 patients with leukodystrophy. Clin Genet 2013; 84:566-71. [DOI: 10.1111/cge.12103] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Revised: 01/16/2013] [Accepted: 01/16/2013] [Indexed: 01/11/2023]
Affiliation(s)
| | - M Muñoz-Calero
- INGEMM, IdIPAZ, CIBERER; Hospital Universitario La Paz; Madrid Spain
| | - E Vallespín
- INGEMM, IdIPAZ, CIBERER; Hospital Universitario La Paz; Madrid Spain
| | | | - L Martorell
- Molecular Genetics Unit; Hospital Sant Joan de Deu; Barcelona Spain
| | - MJ Ruiz-Falcó
- Neurology Service; Hospital Infantil Universitario Niño Jesús; Madrid Spain
| | - A Santana
- Genetics Unit; C. U. Insular Materno Infantil; Las Palmas de Gran Canaria Spain
| | - R Pons
- Paediatric Neurology Service; University of Athens; "Attiko" University Hospital Athens; Athens Greece
| | - A Dinopoulos
- Paediatric Neurology Service; University of Athens; "Attiko" University Hospital Athens; Athens Greece
| | - C Sierra
- Paediatric Neurology Service; Complejo Hospitalario de Jaén; Jaén Spain
| | - J Nevado
- INGEMM, IdIPAZ, CIBERER; Hospital Universitario La Paz; Madrid Spain
| | - J Molano
- INGEMM, IdIPAZ, CIBERER; Hospital Universitario La Paz; Madrid Spain
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Fuentes T, Ponce-González JG, Morales-Alamo D, de Torres-Peralta R, Santana A, De Pablos-Velasco P, Olmedillas H, Guadalupe-Grau A, Rodríguez-García L, Serrano-Sanchez JA, Guerra B, Calbet JAL. Isoinertial and isokinetic sprints: muscle signalling. Int J Sports Med 2012. [PMID: 23180212 DOI: 10.1055/s-0032-1312583] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
To determine if the muscle signalling response to a 30 s all-out sprint exercise is modulated by the exercise mode and the endocrine response, 27 healthy volunteers were divided in 2 groups that performed isokinetic (10 men and 5 women) and isoinertial (7 men and 5 women) Wingate tests. Blood samples and vastus lateralis muscle biopsies were taken before, immediately after, 30 and 120 min after the sprints. Groups were comparable in age, height, body weight, percentage of body fat, peak power per kg of lower extremities lean mass (Pmax) and muscle fibre types. However, the isoinertial group achieved a 25% greater mean power (Pmean). Sprint exercise elicited marked increases in the musculus vastus lateralis AMPKα, ACCβ, STAT3, STAT5 and ERK1/2 phosphorylation (all P<0.05). The AMPKα, STAT3, and ERK1/2 phosphorylation responses were more marked after the isoinertial than isokinetic test (interaction: P<0.01). The differences in muscle signalling could not be accounted for by differences in Pmax, although Pmean could explain part of the difference in AMPKα phosphorylation. The leptin, insulin, glucose, GH, IL-6, and lactate response were similar in both groups. In conclusion, the muscle signalling response to sprint exercise differs between isoinertial and isokinetic sprints.
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Affiliation(s)
- T Fuentes
- Department of Physical Education, University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, 35017, Spain
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Castro P, Millán R, Penedo JC, Sanjuán E, Santana A, Caballero MJ. Effect of Storage Conditions on Total Volatile Base Nitrogen Determinations in Fish Muscle Extracts. Journal of Aquatic Food Product Technology 2012. [DOI: 10.1080/10498850.2011.610917] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Riegersperger M, Plischke M, Steiner-Boker S, Seidinger D, Winkelmayer W, Sunder-Plassmann G, Vlahovic P, Vlahovic P, Cvetkovic T, Djordjevic V, Velickovic-Radovanovic R, Stefanovic N, Ignjatovic A, Sladojevic N, Cademartori V, Massarino F, Parodi EL, Russo R, Sofia A, Fontana I, Viviani GL, Garibotto G, Mai M, Mai W, Taner B, Wadei H, Prendergast M, Gonwa T, Martin J, Martin J, Aurore S, Aline CS, Nicolas M, Manolie M, Catherine S, Eric A, Christophe M, Brakemeier S, Liefeldt L, Glander P, Waiser J, Lachmann N, Schonemann C, Zukunft B, Illigens P, Schmidt D, Wu K, Rudolph B, Neumayer HH, Budde K, Pallardo Mateu L, Gavela Martinez E, Sancho Calabuig A, Crespo Albiach J, Beltran Catalan S, Gavela Martinez E, Kanter Berga J, Kimura T, Yagisawa T, Ishikawa N, Sakuma Y, Hujiwara T, Nukui A, Yashi M, Duraes J, Malheiro J, Fonseca I, Rocha A, Martins LS, Almeida M, Dias L, Castro-Henriques A, Cabrita A, Mai M, Mai W, Wadei H, Prendergast M, Gonwa T, Volpe A, Quaglia M, Menegotto A, Fenoglio R, Izzo C, Airoldi A, Terrone C, Stratta P, Ahmed B, Mireille K, Nilufer B, Annick M, Karl Martin W, Anh-Dung H, Dimitri M, Philippe M, Judith R, Daniel A, Liefeldt L, Glander P, Glander P, Lan Y, Schmidt D, Heine C, Budde K, Neumayer HH, Schmidt D, Glander P, Glander P, Budde K, Neumayer HH, Liefeldt L, Quaglia M, Quaglia M, Capone V, Izzo C, Menegotto A, Fenoglio R, Airoldi A, Stratta P, Grace B, Clayton P, Cass A, Mcdonald S, Yagisawa T, Yagisawa T, Yashi M, Kimura T, Nukui A, Fujiwara T, Sakuma Y, Ishikawa N, Iwabuchi T, Muraishi O, Torregrosa V, Barros X, Martinez de Osaba MJ, Paschoalin R, Campistol JM, Hassan R, El-Hefnawy A, Soliman S, Shokeir A, Cobanoglu Kudu A, Gungor O, Kircelli F, Altinel E, Asci G, Ozbek SS, Toz H, Ok E, Sandrini S, Setti G, Valerio F, Possenti S, Torrisi I, Polanco N, Garcia-Puente L, Gonzalez Monte E, Morales E, Gutierrez E, Bengoa I, Hernandez A, Caballero J, Morales JM, Andres A, Sgarlato V, Sgarlato V, Comai G, La Manna G, Moretti I, Grandinetti V, Martelli D, Scolari MP, Stefoni S, Valentini C, Valentini C, Persici E, La Manna G, Cappuccilli ML, Sgarlato V, Liviano D'arcangelo G, Fabbrizio B, Carretta E, Mosconi G, Scolari MP, Feliciangeli G, Grigioni FW, Stefoni S, Apicella L, Guida B, Vitale S, Garofalo G, Russo L, Maresca I, Rossano R, Memoli B, Carrano R, Federico S, Sabbatini M, Carta P, Zanazzi M, DI Maria L, Caroti L, Miejshtri A, Tsalouchos A, Bertoni E, Sezer S, Erkmen Uyar M, Colak T, Bal Z, Tutal E, Kalaci G, Ozdemir Acar FN, Jacquelinet C, Bayat S, Pernin V, Portales P, Szwarc I, Garrigue V, Vetromile F, Delmas S, Eliaou JF, Mourad G, Huber L, Huber L, Slowinski T, Naik M, Glander P, Liefeldt L, Schmidt D, Neumayer HH, Budde K, Nakai K, Fujii H, Kono K, Goto S, Ishimura T, Takeda M, Fujisawa M, Nishi S, Pereira Paschoalin R, Paschoalin R, Torregrosa JV, Barros Freiria X, Duran Rebolledo CE, Sanchez Escuredo A, Sole M, Campistol JM, Youssouf S, Tabbasm F, Bell R, Al-Jayyousi R, Warwick G, Grall A, Treguer L, Essig M, Lecaque C, Noel N, Buchler M, Bertrand D, Rivalan J, Braun L, Villemain F, Hurault de Ligny B, Totet A, Pestourie N, Toubas D, Nevez G, Le Meur Y, Nour el Houda B, Mustapha H, Wafaa F, Inass L, Rambabova Bushljetikj I, Rambabova Bushljetikj I, Masin-Spasovska J, Spasovski G, Popov Z, Sikole A, Ivanovski N, Raimundo M, Guerra J, Teixeira C, Santana A, Silva S, Mil Homens C, Gomes Da Costa A, Loredo D, Cleres M, Gondolesi G, Gutierrez LM, Fortunato RM, Descalzi V, Raffaele P. Transplantation - clinical II. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs248] [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: 11/14/2022] Open
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Guillén V, Ayllón Y, Domingo J, Jáuregui J, Santana A, Pellicer A. Thawed embryo transfer: natural or replaced endometrial cycle? A 5000 patients observational study. Fertil Steril 2011. [DOI: 10.1016/j.fertnstert.2011.07.1031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Santos C, Ventura A, Gomes AM, Pereira S, Almeida C, Seabra J, Segelmark M, Mattsson L, Said S, Olde B, Solem K, Yu X, Zhang B, Sun B, Mao H, Xing C, Gruss E, Portoles J, Tato A, Lopez-Sanchez P, Jimenez P, de la Cruz R, Furaz K, Martinez S, Mas M, Andres MM, Corchete E, Kim YO, Kim HG, Kim BS, Song HC, Choi EJ, Ibeas J, Vallespin J, Fortuno JR, Rodriguez-Jornet A, Grau C, Merino J, Branera J, Perendreu J, Granados I, Mateos A, Jimeno V, Moya C, Ramirez J, Falco J, Gimenez A, Garcia M, Morgado E, Pinho A, Guedes A, Guerreiro R, Mendes P, Bexiga I, Silva A, Marques J, Neves P, Shibata K, Iwamoto T, Murakami T, Ono S, Kaneda T, Kuji T, Kawata S, Satta H, Tamura K, Toya Y, Yanagi M, Umemura S, Yasuda G, Yong OL, Lim WWL, Yong KM, Tay KH, Lim EK, Yang WS, Tan SG, Choong HL, Hill A, Blatter D, Kim YO, Kim HG, Song HC, Choi EJ, Kim SY, Min JK, Park WD, Kim HG, Kim YO, Kim BS, Kim SY, Min JK, Park WD, Ibeas J, Fortuno JR, Branera J, Rodriguez- Jornet A, Perendreu J, Marcet M, Vinuesa X, Mateo A, Jimeno V, Fernandez M, Moya C, Rivera J, Falco J, Garcia M, Shibahara H, Shibahara N, Takahashi S, Shibahara H, Shibahara N, Takahashi S, Kanaa M, Wright MJ, Sandoe JAT, Freudiger H, Dupret J, Jacquemoud MC, Rossi L, Kampouris C, Hatzimpaloglou A, Karamouzis M, Pliakos C, Malindretos P, Roudenko I, Grekas D, Costa AC, Santana A, Neves F, Costa AGD, Chaudhry M, Bhola C, Joarder M, Lok C, Coentrao L, Faria B, Frazao J, Pestana M, Sun XF, Yang Y, Wang J, Lin HL, Li JJ, Yao L, Zhao JY, Zhang ZM, Lun LD, Zhang JR, Zhang YM, Li MX, Jiang SM, Wang Y, Zhu HY, Chen XM, Caeiro F, Carvalho D, Cruz J, Ribeiro dos Santos J, Nolasco F, Bartlett R, Pandya B, Viana N, Machado S, Gil C, Lucas C, Mendes A, Barata J, Freitas L, Campos M, Rikker C, Juhasz E, Toth A, Vizi I, Tornoci L, Rosivall L, Tovarosi S, Cho S, Kim S, Lee YJ, Kanai H, Harada K, Nasu S, Shinozaki M, Shibahara N, Shibahara H, Takahashi S, Esenturk M, Zengin M, Ogun F, Akdemir A, Colak C, Pekince G, Gerasimovska V, Oncevski A, Gerasimovska-Kitanovska B, Sikole A, Kiselev N, Chernyshev S, Zlokazov V, Idov E, Bacallao Mendez R, Avila A, Salgado J, Llerena B, Badell A, Aties M, Severn A, Metcalfe W, Traynor J, Boyd J, Kerssens J, Henderson A, Simpson K, Roca-Tey R, Samon S, Ibrik O, Roda E, Gonzalez JC, Viladoms J, Malindretos P, Bamidis P, Liaskos C, Papagiannis A, Vrochides D, Frantzidis C, Sarafidis P, Lasaridis A, Chryssogonidis I, Nikolaidis P, Ibeas J, Vallespin J, Fortuno JR, Merino J, Rodriguez-Jornet A, Branera J, Grau C, Granados I, Mateos A, Jimeno V, Perndreu J, Moya C, Rivera J, Falco J, Gimenez A, Garcia M, Moyses Neto M, Ferreira V, Martinez R, Tercariol CAS, Lima DAFS, Figueiredo JFC, Costa JAC, Alayoud A, Hamzi A, Akhmouch I, Aatif T, Oualim Z, Jankovic A, Ilic M, Damjanovic T, Djuric Z, Popovic J, Adam J, Dimkovic N. Vascular access. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.39] [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: 11/12/2022] Open
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Abstract
REASONS FOR PERFORMING STUDY The assessment of a normal range for cross-sectional area (CSA) of tendons in the tarsal region is important in order to use them as reference values in the identification of pathological changes of dimensions. OBJECTIVES To provide normal reference values for the CSA of the tendons of the tarsus of Standardbred trotter horses (STH) by means of ultrasonography. METHODS Transverse echographic images of the tendons were obtained at different levels proximodistally; these images were digitised and CSA values (mean ± s.d.) were obtained for each structure. RESULTS The largest structure corresponded with the lateral digital flexor/caudal tibial tendon complex at Level 1 and the smallest was the medial digital flexor tendon at Level 4. Almost all tendons showed a slight decreasing in their CSA when crossing the tarsus. CONCLUSIONS The normal CSA values of tendinous structures in the tarsal region of the STH are reported. These data could be used as anatomical references. POTENTIAL RELEVANCE The establishment of reference values could serve as a tool to discriminate between normal and abnormal dimensions of tarsal tendons in STH. Other horse breeds should need their own reference values.
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Affiliation(s)
- J M Vilar
- Animal Pathology Department, Faculty of Veterinary Medicine, Las Palmas de Gran Canaria University, Arucas.
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Olmedillas H, Guerra B, Guadalupe-Grau A, Santana A, Fuentes T, Dorado C, Serrano-Sanchez J, Calbet JAL. Training, Leptin Receptors and SOCS3 in Human Muscle. Int J Sports Med 2011; 32:319-26. [DOI: 10.1055/s-0030-1269892] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Vilar JM, Miró F, Santana A, Spinella G. Biokinematics Under Competitive Racing Conditions in Young Standardbred Trotter Horses: A Preliminary Report. J Equine Vet Sci 2010. [DOI: 10.1016/j.jevs.2010.07.002] [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: 10/19/2022]
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Fuentes T, Ara I, Guadalupe-Grau A, Larsen S, Stallknecht B, Olmedillas H, Santana A, Helge JW, Calbet JAL, Guerra B. Leptin receptor 170 kDa (OB-R170) protein expression is reduced in obese human skeletal muscle: a potential mechanism of leptin resistance. Exp Physiol 2009; 95:160-71. [PMID: 19717488 DOI: 10.1113/expphysiol.2009.049270] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
To examine whether obesity-associated leptin resistance could be due to down-regulation of leptin receptors (OB-Rs) and/or up-regulation of suppressor of cytokine signalling 3 (SOCS3) and protein tyrosine phosphatase 1B (PTP1B) in skeletal muscle, which blunt janus kinase 2-dependent leptin signalling and signal transducer and activator of transcription 3 (STAT3) phosphorylation and reduce AMP-activated protein kinase (AMPK) and acetyl-coenzyme A carboxylase (ACC) phosphorylation. Deltoid and vastus lateralis muscle biopsies were obtained from 20 men: 10 non-obese control subjects (mean +/- s.d. age, 31 +/- 5 years; height, 184 +/- 9 cm; weight, 91 +/- 13 kg; and percentage body fat, 24.8 +/- 5.8%) and 10 obese (age, 30 +/- 7 years; height, 184 +/- 8 cm; weight, 115 +/- 8 kg; and percentage body fat, 34.9 +/- 5.1%). Skeletal muscle OB-R170 (OB-R long isoform) protein expression was 28 and 25% lower (both P < 0.05) in arm and leg muscles, respectively, of obese men compared with control subjects. In normal-weight subjects, SOCS3 protein expression, and STAT3, AMPKalpha and ACCbeta phosphorylation, were similar in the deltoid and vastus lateralis muscles. In obese subjects, the deltoid muscle had a greater amount of leptin receptors than the vastus lateralis, whilst SOCS3 protein expression was increased and basal STAT3, AMPKalpha and ACCbeta phosphorylation levels were reduced in the vastus lateralis compared with the deltoid muscle (all P < 0.05). In summary, skeletal muscle leptin receptors and leptin signalling are reduced in obesity, particularly in the leg muscles.
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Affiliation(s)
- T Fuentes
- Department of Physical Education, University of Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Canary Island, Spain
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Guadalupe-Grau A, Perez-Gomez J, Olmedillas H, Chavarren J, Dorado C, Santana A, Serrano-Sanchez JA, Calbet JAL. Reply to Martyn-St. James and Carroll. J Appl Physiol (1985) 2009. [DOI: 10.1152/japplphysiol.00557.2009] [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: 11/22/2022] Open
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Abstract
BACKGROUND The influence of pretransplantation dialysis on kidney transplant outcomes has been the subject of longstanding interest. Although increased time on dialysis prior to kidney transplantation is associated with decreased graft and patient survivals, analyses of the impact of dialysis modality on kidney allograft outcome have produced conflicting results. OBJECTIVE The objective of this study was to evaluate the influence of dialysis duration and modality on the function and survival of renal allografts. PATIENTS We retrospectively reviewed the clinical data of 421 adults who received first kidney transplantations from cadaveric heart-beating donors performed in our unit from May 1989 to May 2007. Three hundred seventy-four patients (88.8%) were on hemodialysis (HD) prior to kidney transplantation, including 247 patients (58.7%) on treatment for at least 24 months. RESULTS Patients with a dialysis duration > or =24 months were significantly older (45.9 vs 42.8 years; P = .013). Renal function at 3, 12, 60, and 96 months was similar between the 2 groups. Longer duration on dialysis was associated with poorer overall graft and patient survivals. No differences were observed in renal function or graft and patient survivals comparing HD or peritoneal dialysis (PD). Multivariate analysis confirmed the lack of correlation between dialysis duration or modality and allograft failure. CONCLUSION Longer dialysis duration influenced overall graft and patient survival. However, dialysis modality showed no influence on graft function or survival.
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Affiliation(s)
- L Resende
- Department of Nephrology, Hospital Central do Funchal, Funchal, Portugal.
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Abstract
BACKGROUND The lack of cadaveric donors coupled with a rapidly growing number of potential recipients have stimulated the implementation of several strategies, including the acceptance of older donors, to increase the organ pool and reduce the waiting list for kidney transplantation. However several studies have demonstrated higher incidences of delayed graft function and poor graft outcomes among kidneys harvested from older donors. OBJECTIVE The objective of this study was to evaluate the influence of donor age on the function and long-term survival of renal allografts. PATIENTS We performed a retrospective review of the clinical data from 441 adult kidney transplantation from cadaveric heart-beating donors performed in our unit from May 1989 to May 2007. RESULTS Recipients of kidney allografts from older donors were significantly older (49.2 vs 43.7 years; P < .0001) and had a higher incidence of delayed graft function (15.1% vs 5.4%; P = .005). Renal function was superior following kidney transplantation using younger donors not only at 3 months (P < .0001) and 12 months (P < .0001) posttransplantation, but also upon long-term follow-up at 60 months (P < .0001) and 96 months (P = .030). Allograft survival censored for death with a functioning graft and patient survival were not different when comparing older versus younger donors. Multivariate analysis confirmed the lack of correlation between donor age and allograft failure. CONCLUSION Donor age showed no influence on allograft survival. However, kidney allografts from older donors displayed lower first year and long-term renal function.
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Affiliation(s)
- L Resende
- Department of Nephrology, Hospital Central do Funchal, Funchal, Portugal.
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Resende L, Guerra J, Santana A, Mil-Homens C, Abreu F, da Costa A. First Year Renal Function as a Predictor of Kidney Allograft Outcome. Transplant Proc 2009; 41:846-8. [DOI: 10.1016/j.transproceed.2009.01.066] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Guadalupe-Grau A, Perez-Gomez J, Olmedillas H, Chavarren J, Dorado C, Santana A, Serrano-Sanchez JA, Calbet JAL. Strength training combined with plyometric jumps in adults: sex differences in fat-bone axis adaptations. J Appl Physiol (1985) 2009; 106:1100-11. [PMID: 19196911 DOI: 10.1152/japplphysiol.91469.2008] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Leptin and osteocalcin play a role in the regulation of the fat-bone axis and may be altered by exercise. To determine whether osteocalcin reduces fat mass in humans fed ad libitum and if there is a sex dimorphism in the serum osteocalcin and leptin responses to strength training, we studied 43 male (age 23.9 2.4 yr, mean +/- SD) and 23 female physical education students (age 23.2 +/- 2.7 yr). Subjects were randomly assigned to two groups: training (TG) and control (CG). TG followed a strength combined with plyometric jumps training program during 9 wk, whereas the CG did not train. Physical fitness, body composition (dual-energy X-ray absorptiometry), and serum concentrations of hormones were determined pre- and posttraining. In the whole group of subjects (pretraining), the serum concentration of osteocalcin was positively correlated (r = 0.29-0.42, P < 0.05) with whole body and regional bone mineral content, lean mass, dynamic strength, and serum-free testosterone concentration (r = 0.32). However, osteocalcin was negatively correlated with leptin concentration (r = -0.37), fat mass (r = -0.31), and the percent body fat (r = -0.44). Both sexes experienced similar relative improvements in performance, lean mass (+4-5%), and whole body (+0.78%) and lumbar spine bone mineral content (+1.2-2%) with training. Serum osteocalcin concentration was increased after training by 45 and 27% in men and women, respectively (P < 0.05). Fat mass was not altered by training. Vastus lateralis type II MHC composition at the start of the training program predicted 25% of the osteocalcin increase after training. Serum leptin concentration was reduced with training in women. In summary, while the relative effects of strength training plus plyometric jumps in performance, muscle hypertrophy, and osteogenesis are similar in men and women, serum leptin concentration is reduced only in women. The osteocalcin response to strength training is, in part, modulated by the muscle phenotype (MHC isoform composition). Despite the increase in osteocalcin, fat mass was not reduced.
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Affiliation(s)
- A Guadalupe-Grau
- Department of Physical Education, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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Bello Báez A, Cavada A, Alventosa E, González C, Fernández Del Castillo M, Santana A, Vivancos JI, Pascual S, Rodríguez LE, Garrido MA, Fuentes J, Allende A, Domínguez Del Toro A. [Appendicular mucocele - multislice CT imaging]. Rev Esp Enferm Dig 2009; 100:592-3. [PMID: 19025313 DOI: 10.4321/s1130-01082008000900013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Jorge S, Guerra J, Silva S, Santana A, Mil-Homens C, Prata MM. Induction immunosuppressive therapy in renal transplantation: does basiliximab make the difference? Transplant Proc 2008; 40:693-6. [PMID: 18454989 DOI: 10.1016/j.transproceed.2008.02.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The optimal prophylactic induction immunosuppressive therapy to prevent renal transplant rejection remains controversial. Recently, basiliximab efficiency has been reported in several studies. We sought to evaluate the efficiency of induction immunosuppressive therapy with basiliximab in renal transplantation in our unit based upon the acute rejection rate, patient and graft survivals, first hospital admission length, and incidence of infectious or malignant complications during 4 years of follow-up. We retrospectively evaluated the outcome of two groups of renal transplant recipients treated with triple immunosuppressive therapy (cyclosporine, mycophenolate mofetil, and prednisolone) without (group 1, 149 patients) or with (group 2, 104 patients) induction immunosuppression with basiliximab. The two groups did not differ in demographic characteristics, number of hypersensitized patients, cold ischemia time, or donor age. The group receiving basiliximab displayed a significantly lower acute rejection rate (7.6% vs 24%, P = .001) and shorter first hospital admission (14.4 +/- 8 vs 19.5 +/- 11 days). There was no difference in graft or patient survival, death due to sepsis, or incidence of posttransplant malignancies. Although there was no difference in graft or patient survival, immunosuppressive induction therapy with basiliximab yielded a significant reduction in the acute rejection rate.
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Affiliation(s)
- S Jorge
- Serviço de Nefrologia e Transplantação Renal, Hospital de Santa Maria, Lisboa, Portugal.
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Abstract
Mycophenolate mofetil (MMF) use in renal transplantation has allowed a significant decrease in early acute rejection rates. We retrospectively evaluated the incidence of acute rejection episodes, renal function at the first year posttransplant, patient and graft survivals, cytomegalovirus (CMV) infection rate, influence of the degree of sensitization, and number of MHC antigen mismatches on graft survival in two groups of patients receiving either MMF or azathioprine. Group 1 included 149 patients receiving cyclosporine, MMF, and prednisolone; group 2 included 191 patients receiving cyclosporine, azathioprine, and prednisolone. The two groups did not differ in terms of age, sex, degree of sensitization (expressed as percentage of antibodies reactive to panel), MHC mismatch number, cold ischemia time, donor age, or anti-thymocyte globulin induction. In group 1 (MMF) there was a significant decrease in early acute rejection rate (19% vs 57%, P < .0001), longer graft survival at 10 years (92% vs 75%, P = .006), and higher rate of CMV infection (22% vs 12%, P = .004). Renal function at the first year posttransplant and patient survival during follow-up did not differ between the groups. The degree of sensitization influenced graft survival in group 2. The number of MHC mismatches did not influence graft survival in either group. With MMF, there was a significant reduction in early acute rejection rate, a significant increase in graft survival at 10-year follow-up, and diminished impact of the degree of sensitization on graft survival.
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Affiliation(s)
- S Jorge
- Serviço de Nefrologia e Transplantação Renal, Hospital de Santa Maria, Lisboa, Portugal.
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Cross WF, Ramírez A, Santana A, Santiago LS. Toward Quantifying the Relative Importance of Invertebrate Consumption and Bioturbation in Puerto Rican Streams. Biotropica 2008. [DOI: 10.1111/j.1744-7429.2007.00388.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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