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Yaparpalvi R, Rivera A, Viswanathan S, Tang J, Tome WA, Mehta KJ. Total Reference Air Kerma (TRAK) is Associated with Dosimetric Parameters in Template-Based High Dose-Rate (HDR) Interstitial Brachytherapy in Advanced Gynecologic Cancers. Int J Radiat Oncol Biol Phys 2023; 117:e557. [PMID: 37785709 DOI: 10.1016/j.ijrobp.2023.06.1870] [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] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To study TRAK and its association with dosimetric parameters in template-based high dose-rate interstitial brachytherapy in advanced gynecologic cancers. MATERIALS/METHODS Brachytherapy treatment plans of 53 patients treated between 2012 and 2022 at our institution with template-based Iridium-192 HDR brachytherapy, post-external beam RT, for locally advanced cancers of the cervix and vagina were retrospectively reviewed. Brachytherapy dose ranged from 25 to 30-Gy delivered in 4 to 6 fractions. The median number of flexi-guide catheters implanted was 18 (range 10-30). Clinical Target Volume (CTV) values were mean (±SD): 72.2 (±40.4) cm3 (high-risk, HR) and 182.2 (±73.7) cm3 (intermediate-risk, IR) respectively. TRAK per fraction (cGy at 1m), dose-volume information for the implant, target, and organ-at-risk (OAR) were recorded. Indices for dose coverage (CI), homogeneity (DHI), non-uniformity (DNR), overdose volume (ODI) were computed. Regression and correlation tests were used to study the TRAK relationship with various dosimetric parameters. The false discovery rate at a 5% level was corrected using the Benjamini-Hochberg procedure. RESULTS The average TRAK per fraction was 0.365 (±0.12) cGy. Mean and range values of plan quality indices were - CI 0.92 (0.7- 1.0), DHI 0.57 (0.41 - 0.77), DNR 0.43 (0.23 - 0.59) and ODI 0.22 (0.11 - 0.38), respectively Correlation results for TRAK with various dosimetric indices are presented in Table 1. TRAK showed a weak correlation with the number of flexi-guide catheters implanted (r = 0.35, p = 0.013). TRAK correlated strongly with target volumes (CTV_HR and CTV_IR and CTV_HR V100%) and with isodose volumes at both high (V300, V200, V150), and low dose levels (V90, V85, V50) (p<0.00001). TRAK correlated moderately with OAR 2-cm3 doses (p<0.00001). A weak correlation was observed between TRAK and plan quality indices. CONCLUSION TRAK correlates positively with target volume and volumes enclosed by isodoses at various dose levels in interstitial HDR brachytherapy of advanced Gynecologic Cancers. Interestingly, our study observed a comparatively stronger positive correlation between TRAK and Sigmoid 2-cm3 dose, equated to TRAK correlation with bladder, rectum, and small bowel 2-cm3 doses. This finding could interest future studies utilizing TRAK as a surrogate for treatment outcome and toxicity.
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Affiliation(s)
- R Yaparpalvi
- Department of Radiation Oncology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY
| | - A Rivera
- Department of Radiation Oncology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY
| | - S Viswanathan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY
| | - J Tang
- Department of Radiation Oncology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY
| | - W A Tome
- Institute for Onco-Physics, Albert Einstein College of Medicine, Bronx, NY
| | - K J Mehta
- Department of Radiation Oncology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY
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Carretta MD, Creutzburg P, Borquez K, Quiroga J, Alarcón P, Rivera A, Burgos RA. Hydroxycarboxylic acid receptor 2 (HCA2) agonists induce NET formation and MMP-9 release from bovine polymorphonuclear leukocytes. Dev Comp Immunol 2023; 139:104562. [PMID: 36183839 DOI: 10.1016/j.dci.2022.104562] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 03/31/2022] [Revised: 07/27/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Periparturient cows are commonly fed diets supplemented with Niacin (nicotinic acid, NA) because of its anti-lipolytic properties. NA confers its anti-lipolytic effects by activating the hydroxycarboxylic acid 2 receptor (HCA2). HCA2 is also activated by the ketone body beta-hydroxybutyrate (BHB) and circulating BHB levels are elevated in postpartum dairy cows. The HCA2 receptor is highly expressed in bovine polymorphonuclear leukocytes (PMN) and could link metabolic and innate immune responses in cattle. We investigated how HCA2 agonists affected bovine PMN function in vitro. We studied different PMN responses, such as granule release, surface expression of CD11b and CD47, generation of neutrophil extracellular traps (NETs), and apoptosis. NA, BHB, and 4,4aR,5,5aR-tetrahydro-1H-cyclopropa [4,5] cyclopenta [1,2-c] pyrazole-3-carboxylic acid (MK-1903) treatment triggered the release of matrix metalloproteinase 9 (MMP-9), a component of the tertiary granule, from neutrophils. Additionally, all HCA2 agonists induced NETs formation but did not affect surface expression of CD11b and CD47. Finally, none of the HCA2 agonists triggered apoptosis in bovine PMN. This information will give new insights into the potential role of the HCA2 receptor in the bovine innate immune response.
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Affiliation(s)
- Maria Daniella Carretta
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile.
| | - Paz Creutzburg
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
| | - Katherine Borquez
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
| | - John Quiroga
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
| | - Pablo Alarcón
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
| | - Andrés Rivera
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
| | - Rafael Agustin Burgos
- Laboratory of Inflammation Pharmacology, Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Science, Universidad Austral de, Chile
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Pierce PT, Wang X, Rivera A, Cooper A, Van Remmen H, Brown J, Vitiello PF. Decreased mitochondrial respiration in cardiac fibers isolated from a mouse model of Friedreich’s ataxia. Am J Med Sci 2023. [DOI: 10.1016/s0002-9629(23)00372-5] [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: 01/28/2023]
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Rivera A, Chavez-Suarez M, Pierce PT, Wang X, Brown J, Downs LB, Vitiello PF, Van Remmen H, Tipple T, Ofman G. Neonatal hyperoxia leads to cardiac mitochondria abnormalitis. Am J Med Sci 2023. [DOI: 10.1016/s0002-9629(23)00437-8] [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: 01/28/2023]
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Santiago HC, Rullán M, Ortiz K, Rivera A, Nieves M, Piña J, Torres Z, Mercado Y. Prevalence of refractive errors in children of Puerto Rico. Int J Ophthalmol 2023; 16:434-441. [PMID: 36935800 PMCID: PMC10009595 DOI: 10.18240/ijo.2023.03.15] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 01/05/2023] [Indexed: 03/06/2023] Open
Abstract
AIM To determine the prevalence of refractive error in 5- to 17-year-old schoolchildren in Puerto Rico. METHODS A quantitative descriptive study of 2867 children aged 5 to 17y from all seven educational regions of Puerto Rico was conducted from 2016-2019. Refractive error was determined via static and subjective refraction. Children with distance acuity ≤20/40 or near visual acuity ≤20/32 had a cycloplegic refraction. Data analysis included descriptive statistics, correlation coefficient, Kruskal-Wallis, Chi-square, and t test calculations. RESULTS Twenty percent of the children had a spherical equivalent refractive error ≤ -0.50 D, 3.2% had a spherical equivalent ≥ +2.00 D, and 10.4% had astigmatism ≥1 D. There was a statistically (but non-clinically) significant myopic change in spherical equivalent refractive error with age (P<0.001). The prevalence of myopia increased with age (P<0.001) but not hyperopia (P=0.59) or astigmatism (P=0.51). Males had a significantly higher hyperopic spherical equivalent than females (P<0.001). Females had a higher prevalence of myopia (P<0.001) than males, but there was no difference in the hyperopia (P=0.74) or astigmatism prevalence (P=0.87). CONCLUSION The prevalence of a spherical equivalent equal to or less than -0.50 D (myopia, 20.7%) is one of the highest among similar-aged children worldwide. Further studies should explore the rate of myopia progression in children in Puerto Rico. Individual children must be monitored to examine the need for treatment of myopia progression.
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Affiliation(s)
- Héctor C Santiago
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Mayra Rullán
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Katerin Ortiz
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Andrés Rivera
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Mónica Nieves
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - José Piña
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Zulmaris Torres
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
| | - Yvette Mercado
- Inter American University of Puerto Rico, School of Optometry, 500 John Will Harris, Bayamón, Puerto Rico 00957, USA
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Calderón R, Palma P, Godoy M, Vidal M, Rivera A. Co-occurrence and estimation of the risk of total aflatoxins (B1, B2, G1, and G2) and ochratoxin A in agri-food products consumed in Chile. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109493] [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: 11/13/2022]
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Gascón D, Rivera A, Agea M, Antúnez-Conde R, Sada Á, Navarro-Cuéllar C, Tousidonis-Rial M, Salmerón-Escobar JI. An Uncommon Great Pretender in Oral Cavity Lesions: The Masson's Tumor. Head Neck Pathol 2022; 16:814-817. [PMID: 35257326 PMCID: PMC9424371 DOI: 10.1007/s12105-022-01438-5] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/24/2022] [Indexed: 02/09/2023]
Abstract
Intravascular papillary endothelial hyperplasia (IPEH) is a rare benign non-neoplastic vascular lesion. A typical presentation consists of a subcutaneous nodule that may simulate other clinical entities. Presentation in the oral cavity is uncommon. It is thought to develop as an abnormal proliferative reaction of endothelial cells in a process of impaired thrombogenesis. When endothelial proliferation occurs, a differential diagnosis with a soft tissue sarcoma, in particular an angiosarcoma, should be performed. We report a case of a 68-year-old female patient who presented with a lesion on the upper lip of 3 months' duration. Surgical resection revealed an IPEH. 1 year later, the patient showed a local recurrence requiring excision with clear margins. Pathological and immunohistochemical features can help us distinguish these lesions from those requiring more aggressive treatment. The gold standard is surgical resection with clear margins. Accurate preoperative diagnosis is essential to avoid overtreatment. Emphasis should be placed on clinical, radiological and histological studies.
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Affiliation(s)
- Dafne Gascón
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Andrés Rivera
- Department of Plastic an Aesthetic Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Marc Agea
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Raúl Antúnez-Conde
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Ángela Sada
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Carlos Navarro-Cuéllar
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Manuel Tousidonis-Rial
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Jose Ignacio Salmerón-Escobar
- Department of Oral and Maxillofacial Surgery, Gregorio Marañón University General Hospital, Doctor Esquerdo 46, 28007 Madrid, Spain
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Ramos-Zaldívar H, Reyes-Perdomo K, Espinoza-Moreno N, Dox-Cruz E, Urbina T, Caballero A, Dominguez E, Calix S, Monterroso-Reyes J, Vásquez E, Ortiz T, Rodríguez-Machado H, Solis M, Silva I, Galeano M, Alvarado A, Medina A, Guerrero-Díaz L, Jiménez-Faraj J, Santos C, Arita W, Montufar D, Sabillón J, Sorto M, Navarro X, Palomo-Bermúdez V, Andino H, Guzman S, Reyes M, Pazf E, Enamorado J, Sagastume Y, Rivera A, Sarmiento C, Pineda X, Puerto V, Landaverde J, Reyes S, Perdomo I, Rivera J, Girón W, Sabillón K, Leiva P, Toro K, Montes-Gambarelli J, Flores C, Salas-Huenuleo E, Andia M. SAFETY AND EFFICACY OF THYMIC PEPTIDES IN THE TREATMENT OF HOSPITALIZED COVID-19 PATIENTS IN HONDURAS. Georgian Med News 2022:99-105. [PMID: 36427851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Coronavirus disease 2019 (Covid-19) active cases continue to demand the development of safe and effective treatments. This is the first clinical trial to evaluate the safety and efficacy of oral thymic peptides. ; We conducted a nonrandomized phase 2 trial with a historic control group to evaluate the safety and efficacy of a daily 250-mg oral dose of thymic peptides in the treatment of hospitalized Covid-19 patients. Comparisons based on standard care from registry data were performed after propensity score matching. The primary outcomes were survival, time to recovery, and number of participants with treatment-related adverse events or side effects by day 20. ; A total of 44 patients were analyzed in this study: 22 in the thymic peptide group and 22 in the standard care group. There were no deaths in the intervention group compared to 24% mortality in standard care by day 20 (log-rank P=0.02). Kaplan-Meier analysis showed a significantly shorter time to recovery by day 20 in the thymic peptide group than in the standard care group (median, 6 days vs. 12 days; hazard ratio for recovery, 2.75 [95% confidence interval, 1.34 to 5.62]; log-rank P=0.002). No side effects or adverse events were reported. ; In patients hospitalized with Covid-19, the use of thymic peptides resulted in no side effects, adverse events, or deaths by day 20. Compared with the registry data, a significantly shorter time to recovery and mortality reduction were measured.
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Affiliation(s)
- H Ramos-Zaldívar
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 2Doctoral Program in Medical Sciences, Faculty of Medicine, Pontificia Universidad Católica de Chile
| | - K Reyes-Perdomo
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 3Psiquiatría Infantil y del Adolescente, Hospital Barros Luco Trudeau, Facultad de Ciencias Médicas, Universidad de Santiago de Chile
| | - N Espinoza-Moreno
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - E Dox-Cruz
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - Th Urbina
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - A Caballero
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - E Dominguez
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - S Calix
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - J Monterroso-Reyes
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - E Vásquez
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - T Ortiz
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - H Rodríguez-Machado
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - M Solis
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - I Silva
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - M Galeano
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - A Alvarado
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - A Medina
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - L Guerrero-Díaz
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - J Jiménez-Faraj
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 4Hospital Civil de Guadalajara Juan I. Menchaca, México
| | - C Santos
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 5Hospital del Valle, San Pedro Sula, Honduras
| | - W Arita
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - D Montufar
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - J Sabillón
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - M Sorto
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - X Navarro
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - V Palomo-Bermúdez
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 5Hospital del Valle, San Pedro Sula, Honduras
| | - H Andino
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - S Guzman
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - M Reyes
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - E Pazf
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - J Enamorado
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - Y Sagastume
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - A Rivera
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - C Sarmiento
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - X Pineda
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - V Puerto
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - J Landaverde
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - S Reyes
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - I Perdomo
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - J Rivera
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - W Girón
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - K Sabillón
- 6Hospital Santa Bárbara Integrado, Santa Bárbara, Honduras
| | - P Leiva
- 7Triaje de Santa Bárbara, Secretaría de Salud de Honduras
| | - K Toro
- 7Triaje de Santa Bárbara, Secretaría de Salud de Honduras
| | - J Montes-Gambarelli
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras
| | - C Flores
- 1Grupo de Investigación Médica de la Universidad Católica de Honduras, (GIMUNICAH), Faculty of Medicine, Universidad Católica de Honduras; 8Laboratorio de Biología Molecular de San Pedro Sula, Secretaría de Salud de Honduras
| | | | - M Andia
- 10Biomedical Imaging Center Radiology Department, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile; 11Millennium Nucleus in Cardiovascular Magnetic Resonance, Santiago, Chile
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Barandun M, Bravo C, Grobety B, Jenk T, Fang L, Naegeli K, Rivera A, Cisternas S, Münster T, Schwikowski M. Anthropogenic influence on surface changes at the Olivares glaciers; Central Chile. Sci Total Environ 2022; 833:155068. [PMID: 35413346 DOI: 10.1016/j.scitotenv.2022.155068] [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] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/29/2022] [Accepted: 04/02/2022] [Indexed: 06/14/2023]
Abstract
We have investigated the source and role of light-absorbing impurities (LAIs) deposited on the glaciers of the Olivares catchment, in Central Chile. LAIs can considerably darken (lowered albedo) the glacier surface, enhancing their melt. We combined chemical and mineralogical laboratory analyses of surface and ice core samples with field-based spectral reflectance measurements to investigate the nature and properties of such LAIs. Using remote sensing-based albedo maps, we upscaled local information to glacier-wide coverage. We then used a model to evaluate the sensitivity of surface mass balance to a change in ice and snow albedo. The across-scale surface observations in combination with ice core analysis revealed a history of over half a century of LAIs deposition. We found traces of mining residuals in glacier surface samples. The glaciers with highest mass loss in the catchment present enhanced concentrations of surface dust particles with low reflectance properties. Our results indicate that dust particles with strong light-absorbing capacity have been mobilized from mine tailings and deposited on the nearby glacier surfaces. Large-scale assessment from satellite-based observations revealed darkening (ice albedo lowering) at most investigated glacier tongues from 1989 to 2018. Glacier melt is sensitive to ice albedo. We believe that an accelerated winter and spring snow albedo decrease, partially triggered by surface impurities, might be responsible for the above-average mass loss encountered in this catchment.
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Affiliation(s)
- Martina Barandun
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, Villigen, Switzerland; Institute of Earth Observation, EURAC research, Bolzano, Italy.
| | - Claudio Bravo
- Glaciologia y Cambio Climatico, Centro de Estudios Cientificos (CECs), Valdivia, Chile
| | - Bernard Grobety
- Department of Geosciences, University of Fribourg, Fribourg, Switzerland
| | - Theo Jenk
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
| | - Ling Fang
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, Villigen, Switzerland
| | - Kathrin Naegeli
- Department of Geography, Remote Sensing Laboratories, University of Zurich, Zurich, Switzerland; Institute of Geography and Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
| | - Andrés Rivera
- Departamento de Geografia, Universidad de Chile, Santiago, Chile
| | - Sebastián Cisternas
- Glaciologia y Cambio Climatico, Centro de Estudios Cientificos (CECs), Valdivia, Chile
| | - Tatjana Münster
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, Villigen, Switzerland
| | - Margit Schwikowski
- Laboratory of Environmental Chemistry, Paul Scherrer Institute, Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
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Palma P, Godoy M, Vidal M, Rivera A, Calderón R. Adaptation, optimization, and validation of a sensitive and robust method for the quantification of total aflatoxins (B1, B2, G1, and G2) in the spice merkén by HPLC-FLD with post-column derivatization. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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11
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Pérez-Vázquez MAK, Morales-Mora LA, Romero-Arenas O, Rivera A, Landeta-Cortés G, Villa-Ruano N. First Report of Fusarium temperatum Causing Fruit Blotch of Capsicum pubescens in Puebla, México. Plant Dis 2022; 106:PDIS09211941PDN. [PMID: 34784744 DOI: 10.1094/pdis-09-21-1941-pdn] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- M A K Pérez-Vázquez
- Centro de Agroecología, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla (BUAP), Km 1.7, Carretera a San Baltazar Tetela, San Pedro Zacachimalpa, CP 72960, Puebla, México
| | - L A Morales-Mora
- Centro de Agroecología, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla (BUAP), Km 1.7, Carretera a San Baltazar Tetela, San Pedro Zacachimalpa, CP 72960, Puebla, México
| | - O Romero-Arenas
- Centro de Agroecología, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla (BUAP), Km 1.7, Carretera a San Baltazar Tetela, San Pedro Zacachimalpa, CP 72960, Puebla, México
| | - A Rivera
- Centro de Agroecología, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla (BUAP), Km 1.7, Carretera a San Baltazar Tetela, San Pedro Zacachimalpa, CP 72960, Puebla, México
| | - G Landeta-Cortés
- Centro Universitario de Vinculación y Transferencia de Tecnología, Benemérita Universidad Autónoma de Puebla, Prolongación de la 24 Sur y Av. San Claudio, Ciudad Universitaria, Col. San Manuel, 72570 Puebla, México
| | - N Villa-Ruano
- CONACyT-Centro Universitario de Vinculación y Transferencia de Tecnología, Benemérita Universidad Autónoma de Puebla, Prolongación de la 24 Sur y Av. San Claudio, Ciudad Universitaria, Col. San Manuel, 72570 Puebla, México
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12
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Fernández-Ibarburu B, Díaz-Navarro M, Ibarra G, Rivera A, Hafian R, Irigoyen Ã, Carrillo R, Pérez-Cano R, Muñoz P, García-Ruano Á, Lasso JM, Guembe M. Efficacy of Povidone Iodine Against Microbial Biofilms in Breast Implants With Different Textures: Results From an in vitro Study. Front Microbiol 2022; 13:868347. [PMID: 35422778 PMCID: PMC9002313 DOI: 10.3389/fmicb.2022.868347] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background In the practice of breast augmentation and reconstruction, implant irrigation with various solutions has been widely used to prevent infection and capsular contracture, but to date, there is no consensus on the optimal protocol to use. Recently, application of povidone iodine (PI) for 30 min has shown in vitro to be the most effective irrigating formula in reducing contamination in smooth breast implants. However, as 30 min is not feasible intraoperatively, it is necessary to determine whether shorter times could be equally effective as well as to test it in both smooth and textured implants. Methods We tested the efficacy of 10% PI at 1', 3', and 5' against biofilms of 8 strains (2 ATCC and 6 clinical) of Staphylococcus spp. on silicone disks obtained from Mentor® and Polytech® implants of different textures. We analyzed the percentage reduction of cfu counts, cell viability and bacterial density between treatment (PI) and control (sterile saline, SS) groups for each time of application. We consider clinical significance when > 25% reduction was observed in cell viability or bacterial density. Results All textured implants treated with PI at any of the 3 exposure times reduced 100% bacterial load by culture. However, none of the implants reached enough clinical significance in percentage reduction of living cells. Regarding bacterial density, only 25-50 μm Polytxt® Polytech® implants showed significant reduction at the three PI exposure times. Conclusion PI is able to inhibit bacterial growth applied on the surface of breast implants regardless of the exposure time. However, no significant reduction on living cells or bacterial density was observed. This lack of correlation may be caused by differences in texture that directly affect PI absorption.
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Affiliation(s)
| | - Marta Díaz-Navarro
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Gorka Ibarra
- Department of Plastic Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Andrés Rivera
- Department of Plastic Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Rama Hafian
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Ãlvaro Irigoyen
- Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Raquel Carrillo
- Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Rosa Pérez-Cano
- Department of Plastic Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Patricia Muñoz
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain.,CIBER Enfermedades Respiratorias-CIBERES (CB06/06/0058), Madrid, Spain.,Medicine Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Ángela García-Ruano
- Department of Plastic Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - José M Lasso
- Department of Plastic Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - María Guembe
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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13
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Sanabria M, Vesga J, Rivera A, Rutherford P. POS-708 TIME ON THERAPY IN AUTOMATED PERITONEAL DIALYSIS PATIENTS WITH AND WITHOUT REMOTE MONITORING PROGRAM: A PROPENSITY SCORE MATCHING COHORT STUDY. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.742] [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] Open
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14
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Sanchez-Manzano D, Mesoraca S, Cuellar FA, Cabero M, Rouco V, Orfila G, Palermo X, Balan A, Marcano L, Sander A, Rocci M, Garcia-Barriocanal J, Gallego F, Tornos J, Rivera A, Mompean F, Garcia-Hernandez M, Gonzalez-Calbet JM, Leon C, Valencia S, Feuillet-Palma C, Bergeal N, Buzdin AI, Lesueur J, Villegas JE, Santamaria J. Extremely long-range, high-temperature Josephson coupling across a half-metallic ferromagnet. Nat Mater 2022; 21:188-194. [PMID: 34857910 DOI: 10.1038/s41563-021-01162-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
The Josephson effect results from the coupling of two superconductors across a spacer such as an insulator, a normal metal or a ferromagnet to yield a phase coherent quantum state. However, in junctions with ferromagnetic spacers, very long-range Josephson effects have remained elusive. Here we demonstrate extremely long-range (micrometric) high-temperature (tens of kelvins) Josephson coupling across the half-metallic manganite La0.7Sr0.3MnO3 combined with the superconducting cuprate YBa2Cu3O7. These planar junctions, in addition to large critical currents, display the hallmarks of Josephson physics, such as critical current oscillations driven by magnetic flux quantization and quantum phase locking effects under microwave excitation (Shapiro steps). The latter display an anomalous doubling of the Josephson frequency predicted by several theories. In addition to its fundamental interest, the marriage between high-temperature, dissipationless quantum coherent transport and full spin polarization brings opportunities for the practical realization of superconducting spintronics, and opens new perspectives for quantum computing.
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Affiliation(s)
- D Sanchez-Manzano
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - S Mesoraca
- Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - F A Cuellar
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - M Cabero
- IMDEA Nanoscience Institute, Universidad Autonoma, Cantoblanco, Spain
- Centro Nacional de Microscopia Electronica, Universidad Complutense, Madrid, Spain
| | - V Rouco
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - G Orfila
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - X Palermo
- Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - A Balan
- Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - L Marcano
- Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin, Germany
| | - A Sander
- Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - M Rocci
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
- Instituto Nanoscienze, Consiglio Thales Alenia Space Italia, L'Aquila, Italy
| | | | - F Gallego
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - J Tornos
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - A Rivera
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - F Mompean
- Instituto de Ciencia de Materiales de Madrid (ICMM, CSIC), Cantoblanco, Spain
- Laboratorio de Heteroestructuras con Aplicación en Spintrónica, Unidad Asociada (UCM-CSIC), Madrid, Spain
| | - M Garcia-Hernandez
- Instituto de Ciencia de Materiales de Madrid (ICMM, CSIC), Cantoblanco, Spain
- Laboratorio de Heteroestructuras con Aplicación en Spintrónica, Unidad Asociada (UCM-CSIC), Madrid, Spain
| | - J M Gonzalez-Calbet
- Centro Nacional de Microscopia Electronica, Universidad Complutense, Madrid, Spain
- Departamento Química Inorgánica, Facultad de Química, Universidad Complutense, Madrid, Spain
| | - C Leon
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - S Valencia
- Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin, Germany
| | - C Feuillet-Palma
- Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, CNRS, PSL Research University, Sorbonne University, Paris, France
| | - N Bergeal
- Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, CNRS, PSL Research University, Sorbonne University, Paris, France
| | - A I Buzdin
- LOMA, CNRS, Université Bordeaux, Talence, France
- Digital Biodesign and Personalized Healthcare, Sechenov First Moscow State Medical University, Moscow, Russia
| | - J Lesueur
- Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, CNRS, PSL Research University, Sorbonne University, Paris, France
| | - Javier E Villegas
- Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France.
| | - J Santamaria
- GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain.
- Laboratorio de Heteroestructuras con Aplicación en Spintrónica, Unidad Asociada (UCM-CSIC), Madrid, Spain.
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15
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Jiang J, Eichler J, Bodner W, Fox J, Garg M, Kabarriti R, Kalnicki S, Mehta K, Rivera A, Tang J, Yap J, Ohri N, Klein J. Predictors of Financial Toxicity in Patients Receiving Concurrent Radiation and Chemotherapy. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.636] [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: 11/17/2022]
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16
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Williams V, Franco I, Tye K, Jagsi R, Sim A, Rivera A, Oladeru O, Deville C, Siker M, Suneja G, Halasz L, Balogun O, Agarwal A, Vapiwala N, Elmore S. Diversity, Equity, and Inclusion Perspectives Among Radiation Oncology Program Directors: A Knowledge, Attitudes, and Practices Survey. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1029] [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: 10/20/2022]
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17
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Patel G, Rivera A, Brodin P, Velten C, Ye J, Hsu S, Mehta K. Outcomes of Definitive Radiation Therapy for Inoperable Endometrial Cancer and Dosimetric Comparison Study of HDR Brachytherapy vs. SBRT Boost. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1678] [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: 10/20/2022]
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18
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Yoo MW, Tornos J, Sander A, Lin LF, Mohanta N, Peralta A, Sanchez-Manzano D, Gallego F, Haskel D, Freeland JW, Keavney DJ, Choi Y, Strempfer J, Wang X, Cabero M, Vasili HB, Valvidares M, Sanchez-Santolino G, Gonzalez-Calbet JM, Rivera A, Leon C, Rosenkranz S, Bibes M, Barthelemy A, Anane A, Dagotto E, Okamoto S, te Velthuis SGE, Santamaria J, Villegas JE. Large intrinsic anomalous Hall effect in SrIrO 3 induced by magnetic proximity effect. Nat Commun 2021; 12:3283. [PMID: 34078889 PMCID: PMC8172877 DOI: 10.1038/s41467-021-23489-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 04/25/2021] [Indexed: 02/04/2023] Open
Abstract
The anomalous Hall effect (AHE) is an intriguing transport phenomenon occurring typically in ferromagnets as a consequence of broken time reversal symmetry and spin-orbit interaction. It can be caused by two microscopically distinct mechanisms, namely, by skew or side-jump scattering due to chiral features of the disorder scattering, or by an intrinsic contribution directly linked to the topological properties of the Bloch states. Here we show that the AHE can be artificially engineered in materials in which it is originally absent by combining the effects of symmetry breaking, spin orbit interaction and proximity-induced magnetism. In particular, we find a strikingly large AHE that emerges at the interface between a ferromagnetic manganite (La0.7Sr0.3MnO3) and a semimetallic iridate (SrIrO3). It is intrinsic and originates in the proximity-induced magnetism present in the narrow bands of strong spin-orbit coupling material SrIrO3, which yields values of anomalous Hall conductivity and Hall angle as high as those observed in bulk transition-metal ferromagnets. These results demonstrate the interplay between correlated electron physics and topological phenomena at interfaces between 3d ferromagnets and strong spin-orbit coupling 5d oxides and trace an exciting path towards future topological spintronics at oxide interfaces.
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Affiliation(s)
- Myoung-Woo Yoo
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - J. Tornos
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - A. Sander
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - Ling-Fang Lin
- grid.411461.70000 0001 2315 1184Department of Physics and Astronomy, University of Tennessee, Knoxville, TN USA ,grid.263826.b0000 0004 1761 0489School of Physics, Southeast University, Nanjing, China
| | - Narayan Mohanta
- grid.135519.a0000 0004 0446 2659Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN USA
| | - A. Peralta
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - D. Sanchez-Manzano
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - F. Gallego
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - D. Haskel
- grid.187073.a0000 0001 1939 4845Advanced Photon Source Argonne National Laboratory, Lemont, IL USA
| | - J. W. Freeland
- grid.187073.a0000 0001 1939 4845Advanced Photon Source Argonne National Laboratory, Lemont, IL USA
| | - D. J. Keavney
- grid.187073.a0000 0001 1939 4845Advanced Photon Source Argonne National Laboratory, Lemont, IL USA
| | - Y. Choi
- grid.187073.a0000 0001 1939 4845Advanced Photon Source Argonne National Laboratory, Lemont, IL USA
| | - J. Strempfer
- grid.187073.a0000 0001 1939 4845Advanced Photon Source Argonne National Laboratory, Lemont, IL USA
| | - X. Wang
- grid.253355.70000 0001 2192 5641Department of Physics, Bryn Mawr College, Bryn Mawr, PA USA
| | - M. Cabero
- grid.5515.40000000119578126IMDEA Nanoscience Campus Universidad Autonoma, Cantoblanco, Spain ,grid.4795.f0000 0001 2157 7667Centro Nacional de Microscopia Electronica, Universidad Complutense, Madrid, Spain
| | - Hari Babu Vasili
- grid.423639.9CELLS-ALBA Synchrotron Radiation Facility, Cerdanyola del Valles, Spain
| | - Manuel Valvidares
- grid.423639.9CELLS-ALBA Synchrotron Radiation Facility, Cerdanyola del Valles, Spain
| | - G. Sanchez-Santolino
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - J. M. Gonzalez-Calbet
- grid.4795.f0000 0001 2157 7667Centro Nacional de Microscopia Electronica, Universidad Complutense, Madrid, Spain ,grid.4795.f0000 0001 2157 7667Department Quimica Inorganica, Facultad de Quimica, Universidad Complutense, Madrid, Spain
| | - A. Rivera
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - C. Leon
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - S. Rosenkranz
- grid.187073.a0000 0001 1939 4845Materials Science Division, Argonne National Laboratory, Lemont, IL USA
| | - M. Bibes
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - A. Barthelemy
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - A. Anane
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
| | - Elbio Dagotto
- grid.411461.70000 0001 2315 1184Department of Physics and Astronomy, University of Tennessee, Knoxville, TN USA ,grid.135519.a0000 0004 0446 2659Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN USA
| | - S. Okamoto
- grid.135519.a0000 0004 0446 2659Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN USA
| | - S. G. E. te Velthuis
- grid.187073.a0000 0001 1939 4845Materials Science Division, Argonne National Laboratory, Lemont, IL USA
| | - J. Santamaria
- grid.4795.f0000 0001 2157 7667GFMC, Dept. Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain
| | - Javier E. Villegas
- grid.460789.40000 0004 4910 6535Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau, France
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19
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Caicedo L, Wasuwanich P, Rivera A, Lopez MS, Karnsakul W. Chilaiditi syndrome in pediatric patients - Symptomatic hepatodiaphragmatic interposition of colon: A case report and review of literature. World J Clin Pediatr 2021; 10:40-47. [PMID: 33972924 PMCID: PMC8085720 DOI: 10.5409/wjcp.v10.i3.40] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/04/2021] [Accepted: 03/10/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Chilaiditi syndrome is a rare disorder characterized by the hepatodiaphragmatic interposition of the intestine.
CASE SUMMARY Here we report a case of a 12-year-old male who was admitted to the pediatric intensive care unit secondary to abdominal pain and severe respiratory distress. He was treated conservatively but the symptoms persisted requiring a surgical approach. While there have been several cases of Chilaiditi syndrome reported in adults, there is a scarcity of cases reported in the pediatric population. Our review of the literature found only 30 pediatric cases, including our reported case, with Chilaiditi syndrome, 19 (63%) of which were male. The median age of diagnosis was 4.5 years old with an interquartile range of 2.0-10.0 years. In our review, we found that the most common predisposing factors in children are aerophagia (12/30 cases) and constipation (13/30 cases). Ninety percent of the cases presented with complete intestinal interposition, in 100% of which, the colon was involved. Three of the 30 cases were associated with volvulus.
CONCLUSION In the pediatric population, conservative (21/30 cases) and surgical (8/30 cases) treatment approaches have produced satisfactory outcomes for all the patients, regardless of approach.
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Affiliation(s)
- Luis Caicedo
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Nicklaus Children’s Hospital, Miami, FL 33155, United States
| | - Paul Wasuwanich
- Department of Medicine, University of Florida College of Medicine, Gainesville, FL 32610, United States
| | - Andrés Rivera
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY 10092, United States
| | - Maria S Lopez
- Department of Pediatrics, Nicklaus Children’s Hospital, Miami, FL 33155, United States
| | - Wikrom Karnsakul
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
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20
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Thanissery R, McLaren MR, Rivera A, Reed AD, Betrapally NS, Burdette T, Winston JA, Jacob M, Callahan BJ, Theriot CM. Clostridioides difficile carriage in animals and the associated changes in the host fecal microbiota. Anaerobe 2020; 66:102279. [PMID: 33022384 PMCID: PMC10760528 DOI: 10.1016/j.anaerobe.2020.102279] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 08/31/2020] [Accepted: 09/27/2020] [Indexed: 02/08/2023]
Abstract
The relationship between the gut microbiota and Clostridioides difficile, and its role in the severity of C. difficile infection in humans is an area of active research. Intestinal carriage of toxigenic and non-toxigenic C. difficile strains, with and without clinical signs, is reported in animals, however few studies have looked at the risk factors associated with C. difficile carriage and the role of the host gut microbiota. Here, we isolated and characterized C. difficile strains from different animal species (predominantly canines (dogs), felines (cats), and equines (horses)) that were brought in for tertiary care at North Carolina State University Veterinary Hospital. C. difficile strains were characterized by toxin gene profiling, fluorescent PCR ribotyping, and antimicrobial susceptibility testing. 16S rRNA gene sequencing was done on animal feces to investigate the relationship between the presence of C. difficile and the gut microbiota in different hosts. Here, we show that C. difficile was recovered from 20.9% of samples (42/201), which included 33 canines, 2 felines, and 7 equines. Over 69% (29/42) of the isolates were toxigenic and belonged to 14 different ribotypes including ones known to cause CDI in humans. The presence of C. difficile results in a shift in the fecal microbial community structure in both canines and equines. Commensal Clostridium hiranonis was negatively associated with C. difficile in canines. Further experimentation showed a clear antagonistic relationship between the two strains in vitro, suggesting that commensal Clostridia might play a role in colonization resistance against C. difficile in different hosts.
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Affiliation(s)
- R Thanissery
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - M R McLaren
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - A Rivera
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - A D Reed
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - N S Betrapally
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - T Burdette
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - J A Winston
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - M Jacob
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - B J Callahan
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - C M Theriot
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27607, USA.
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Grigorian L, Gutierrez E, Oteo J, Abdul-Jawad O, Amat Santos I, Gutierrez Barrios A, Fernandez Cisnal A, Jimenez Mazuecos J, Roa J, Vazquez M, Sanz R, Diez-Delhoyo F, Rivera A, Elizaga J, Fernandez-Aviles F. Sex differences in patients with ischemia and no obstructive coronary disease subjected to intracoronary acetylcholine test in a multicenter registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3195] [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: 11/15/2022] Open
Abstract
Abstract
Background
Ischemia with no obstructive coronary disease (INOCA) is increasingly diagnosed because of wide performance of coronary angiography. Prevalence of INOCA is higher in women than in men, however the exact pathophysiological mechanisms which may explain this phenomenon are still not very well understood.
Objective
To evaluate differences in clinical and procedural characteristics between men and women with INOCA subjected to intracoronary acetylcholine test (Ach).
Methods
A total of 210 women and 148 men with INOCA diagnosed with coronary angiography, were prospectively enrolled in a multicenter, observational registry. Ach test was performed according to clinical indications in all included patients. After 1-year patients were re-evaluated for major cardiovascular events, angina symptoms and prescribed medical treatment.
Results
Mean age of 60.6±13.6 years old was similar in both populations, but differences were observed in the prevalence of risk factors: active smoking was more frequent among men (43% vs. 17%, p<0.001), who had also a higher number of associated risk factors (≥3 risk factors were present in 31.2% of men vs. 20.2% of women, p<0.01) and more frequent history of percutaneous coronary revascularization (14.2% vs. 6.7%, p=0.03). Women were more prone to have dyspnea than men (35.5% vs. 20.8%, p=0.01). Men had more coronary atherosclerosis in angiography (57.9% vs. 43.7%, p=0.01) and more slow flow in the left anterior descending artery (21.6% vs. 9.0%, p=0.001). Ach was positive in 36.5% of patients, similar in both sexes, with no differences in the type of induced coronary spasm. Among those with a positive Ach test, at one-year, 36% of women vs. 43.6% of men were on optimal medical treatment for vasospasm although the difference was not statistically significant. Importantly, 41.5% of women and 38.1% of men experienced severe symptoms of angina during follow-up.
Conclusions
Although men with INOCA have a higher risk profile than women and more coronary atherosclerosis, one third of patients present endothelial dysfunction, similar in both groups, indicating that probably other pathophysiological mechanisms are responsible for it in females. Treatment in these patients remains suboptimal and associated with highly impaired quality of life.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- L Grigorian
- University Hospital Gregorio Maranon, Madrid, Spain
| | - E Gutierrez
- University Hospital Gregorio Maranon, Madrid, Spain
| | - J.F Oteo
- University Hospital Puerta de Hierro Majadahonda, Madrid, Spain
| | - O Abdul-Jawad
- Germans Trias i Pujol University Hospital, Barcelona, Spain
| | - I Amat Santos
- University Hospital Clinic of Valladolid, Valladolid, Spain
| | | | | | | | - J Roa
- Hospital Juan Ramon Jimenez, Huelva, Spain
| | - M.E Vazquez
- University Hospital Gregorio Maranon, Madrid, Spain
| | - R Sanz
- University Hospital Gregorio Maranon, Madrid, Spain
| | | | - A Rivera
- University Hospital Gregorio Maranon, Madrid, Spain
| | - J Elizaga
- University Hospital Gregorio Maranon, Madrid, Spain
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22
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Grigorian L, Gutierrez E, Oteo J, Abdul-Jawad O, Amat Santos I, Gutierrez Barrios A, Fernandez Cisnal A, Jimenez Mazuecos J, Roa J, Vazquez M, Sanz R, Diez-Delhoyo F, Rivera A, Elizaga J, Fernandez-Aviles F. Clinical profile and predictors of positivity of acetylcholine test in patients with angina and no obstructive coronary artery disease. Results of a multi-center mediterranean registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2447] [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: 11/12/2022] Open
Abstract
Abstract
Background
Coronary endothelial dysfunction and vasospasm are potential causes of ischemia in no obstructive coronary disease (INOCA) and are now known to be associated with an increased risk of major cardiovascular events (MACE) and impaired quality of life. The recent guidelines recommend the use of intracoronary acetylcholine to unravel the underlying pathophysiology of INOCA, by identifying those with endothelial dysfunction, and to guide future treatment in these patients.
Objective
To evaluate the clinical profile and prevalence of endothelial dysfunction in patients with INOCA, and to identify the predictors of positivity of the acetylcholine test.
Methods
A total of 358 patients with INOCA were prospectively enrolled in a multicenter observational study. Coronary angiography and acetylcholine test were performed according to clinical indications in all included patients. Patients were followed-up for 1-year for MACE and clinical reevaluation of symptoms.
Results
Patients' mean age was 60.6±13.5 y.o. and 58.7% were females, with no previous history of coronary heart disease in 76% of cases. Regarding clinical presentation, 56.9% had angina at rest, 59.9% exertional angina, and 29.5% dyspnea. In 39% the EKG was abnormal, and in 10.9% there was a troponin rise.
Coronary endothelial dysfunction –defined as a vasoconstriction over 30%– was observed in 129 (36%) patients, and severe vasoconstriction (>70%) in 75 (21%). Of positive cases, 47 (36%) focal vasoconstriction, and 90 (70%) diffuse. On follow-up, patients with a positive Ach test were treated differently, with a lower prescription of betablockers (12% vs. 24%, p=0.01) and a higher use of vasodilators (47% vs. 28.5%, p=0.001). Guidelines-recommended optimal treatment was prescribed to 39.2% of patients with a positive acetylcholine test. Patients with positive acetylcholine test were more prone to having worsening angina (25.6% vs. 12.8%, p<0.01) and minimal exertion angina (40% vs. 26.7%, p=0.03) on follow-up. Multivariable regression analysis showed that acetylcholine test positivity was predicted by the presence of diabetes (OR 1.7, p=0.04), exertional angina (OR 1.2, p=0.04), coronary atherosclerosis (OR 1.8, p=0.02) and coronary milking (OR 2.6, p=0.04).
Conclusions
Endothelial dysfunction detected by acetylcholine test was present in one third of patients with INOCA and was associated with more severe and worsening symptoms. Although Ach test positivity influenced the pharmacological treatment at discharge, a large room for optimization still remained.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- L Grigorian
- University Hospital Gregorio Maranon, Madrid, Spain
| | - E Gutierrez
- University Hospital Gregorio Maranon, Madrid, Spain
| | - J.F Oteo
- University Hospital Puerta de Hierro Majadahonda, Madrid, Spain
| | - O Abdul-Jawad
- Germans Trias i Pujol University Hospital, Barcelona, Spain
| | - I Amat Santos
- University Hospital Clinic of Valladolid, Valladolid, Spain
| | | | | | | | - J Roa
- Hospital Juan Ramon Jimenez, Huelva, Spain
| | - M.E Vazquez
- University Hospital Gregorio Maranon, Madrid, Spain
| | - R Sanz
- University Hospital Gregorio Maranon, Madrid, Spain
| | | | - A Rivera
- University Hospital Gregorio Maranon, Madrid, Spain
| | - J Elizaga
- University Hospital Gregorio Maranon, Madrid, Spain
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Huentupil Y, Chung P, Novoa N, Klahn AH, Medina ME, Cisterna J, Brito I, Rivera A, López‐Muñoz R, Arancibia R. New multifunctional heterobinuclear palladium (II) complexes based on organometallic dithiocarbazate ligands. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yosselin Huentupil
- Laboratorio de Química Inorgánica y Organometálica, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Patricio Chung
- Laboratorio de Química Inorgánica y Organometálica, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Néstor Novoa
- Laboratorio de Química Inorgánica y Organometálica, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - A. Hugo Klahn
- Instituto de QuímicaPontificia Universidad Católica de Valparaíso Casilla Valparaíso 4059 Chile
| | - Manuela E. Medina
- Instituto de Ciencias de Materiales de MadridConsejo Superior de Investigaciones Científicas, Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
| | - Jonathan Cisterna
- Departamento de Química, Facultad de Ciencias BásicasUniversidad de Antofagasta Casilla 170 Antofagasta Chile
| | - Iván Brito
- Departamento de Química, Facultad de Ciencias BásicasUniversidad de Antofagasta Casilla 170 Antofagasta Chile
| | - Andrés Rivera
- Instituto de Farmacología y MorfofisiologíaFacultad de Ciencias Veterinarias Universidad Austral de Chile Valdivia Chile
| | - Rodrigo López‐Muñoz
- Instituto de Farmacología y MorfofisiologíaFacultad de Ciencias Veterinarias Universidad Austral de Chile Valdivia Chile
| | - Rodrigo Arancibia
- Laboratorio de Química Inorgánica y Organometálica, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
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Carretta MD, Barría Y, Borquez K, Urra B, Rivera A, Alarcón P, Hidalgo MA, Burgos RA. β-hydroxybutyrate and hydroxycarboxylic acid receptor 2 agonists activate the AKT, ERK and AMPK pathways, which are involved in bovine neutrophil chemotaxis. Sci Rep 2020; 10:12491. [PMID: 32719460 PMCID: PMC7385489 DOI: 10.1038/s41598-020-69500-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 07/06/2020] [Indexed: 12/31/2022] Open
Abstract
Elevated plasma concentrations of the ketone body β-hydroxybutyrate (BHB), an endogenous agonist of the hydroxycarboxylic acid receptor 2 (HCA2), is associated with an increased incidence of inflammatory diseases during lactation in dairy cows. In the early stages of this pathology, an increase in neutrophil recruitment is observed; however, the role of BHB remains elusive. This study characterized the effect of BHB and synthetic agonists of the HCA2 receptor on bovine neutrophil chemotaxis and the signaling pathways involved in this process. We demonstrated that treatment with BHB concentrations between 1.2 and 10 mM and two full selective agonists of the HCA2 receptor, MK-1903 and nicotinic acid, increased bovine neutrophil chemotaxis. We also observed that BHB and HCA2 agonists induced calcium release and phosphorylation of AKT, ERK 1/2 and AMPKα. To evaluate the role of these pathways in bovine neutrophil chemotaxis, we used the pharmacological inhibitors BAPTA-AM, pertussis toxin, U73122, LY294002, U0126 and compound C. Our results suggest that these pathways are required for HCA2 agonist-induced bovine neutrophil chemotaxis in non-physiological condition. Concentrations around 1.4 mM of BHB after calving may exert a chemoattractant effect that is key during the onset of the inflammatory process associated with metabolic disorders in dairy cows.
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Affiliation(s)
- María D Carretta
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile.
| | - Yonathan Barría
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - Katherine Borquez
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - Bárbara Urra
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - Andrés Rivera
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - Pablo Alarcón
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - María A Hidalgo
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
| | - Rafael A Burgos
- Laboratory of Inflammation Pharmacology, Faculty of Veterinary Science, Institute of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
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Fierro A, Sordo F, Carbajal-Ramos I, Perlado J, Rivera A. Conceptual design of a ceramic breeding blanket for laser fusion power plants with online tunable tritium breeding ratio based on a variable neutron reflector: Remarkable no need of isotopic enrichment. Fusion Engineering and Design 2020. [DOI: 10.1016/j.fusengdes.2020.111648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Estévez Gil M, Maure B, Argibay A, Vazquez-Triñanes C, Gimena B, Rivera A. AB0472 INFECTIOUS PROFILE IN PATIENTS WITH ANCA-ASSOCIATED VASCULITIS: RETROSPECTIVE ANALYSIS IN A REFERRAL CENTRE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3194] [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:The antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) are rare multisystem autoimmune diseases of unknown cause, characterised by inflammatory cell infiltration causing necrosis of blood vessels. The treatment of AAV requires prolonged immunosuppressive therapy. Infections remain a major cause of morbidity and mortality.Objectives:The aim of our study was to investigate the prevalence and characteristics of infection, and analyse the factors associated with infection in patients with AAV from Northern of Spain.Methods:Retrospective, descriptive study of patients with AAV followed in a specific Systemic Autoimmune Diseases and Thrombosis Unit from January 2000 to December 2019. Demographic, laboratory, microbiology, treatment and clinical data were collected from the medical records. AAV was diagnosed according to the definitions of the Chapel Hill nomenclature and designated as granulomatosis with polyangiitis (GPA), eosinophilic granulomatosis with polyangiitis (EGPA), microscopic polyangiitis (MPA) or pauci-immune necrotizing and/or crescentic glomerulonephritis without systemic vasculitis (renal-limited vasculitis, RLV). Disease activity of AAV was evaluated by Birmingham Vasculitis Activity score (BVAS). The infection episode was considered on the basis of clinical, laboratory, microbiology, radiology information, and response to therapy. Different episodes of infection in one patient were independently reflected. Data were analysed using SPSS 25.0Results:Thirty-six patients of which 20 (55.6%) were males. Median follow-up was 42 months. The mean age at the diagnosis was 61.14 ± 17.49 years and mean BVAS was 18.81 ± 5.96. 15 patients were diagnosed of GPA, 13 of MPA, 5 of EGPA and 3 of RLV. 72.2% MPO, 11.1% PR3. Lung involvement occurred in 75% of patients, upper airways was detected in 41.7%, skin involvement in 16.7%, Nervous system affectation occurred in 33.3%. 30 patients (83.3%) had renal affectation with a mean of 1.93± 1.66 gr/dl of Proteinuria and 2.9±2.17mg/dl of creatinine. We detected hypocomplementemia in 27.8% of patients (C3 in 19.4% and C4 in 16.7%). Regarding induction treatments, all patients received corticoids at high doses, 21 (58.3%) Cyclophosphamide, 3 (20%) Rituximab and 2 (13.3%) patients, Azathioprine. When we analyse infections, we detected 15 patients (41.66%) who presented any infection after the diagnosis of AAV, with a total of 71 episodes of infection. The most frequent were bacterial infections (29 episodes), specifically gram negative pathogens. The most frequent location was the respiratory (56.3%) followed by urinary (22.5%) and Skin (8.5%). Also opportunistic infections were described: 3 patients with Aspergillus fumigatus and one patient with Cryptococcus neoformans. 41 of these episodes needed hospitalisation with a median stay of 11 days. 6 episodes warranted intensive care unit (ICU) admission. Infection related mortality was 2.82%. We made latent tuberculosis screening and Pneumocystis prophylaxis in all our patients. No cases of Tuberculosis or Pneumocystis were recorded. Factors associated with increased risk of hospitalisation with statistical signification in univariated study were MPA, Hypocomplementemia and increased BVAS. But in the logistical regression study, only the value of the BVAS maintained statistical significance. The only factor associated with elevated risk of ICU admission was IgG deficit in the multivariate analysis. Neither immunosuppressive therapy nor age was associated with increased risk of infection in our study.Conclusion:More than 50% of the episodes of infection needed hospitalisation in patients with AAV. Risk factors for hospitalisation and ICU admission were BVAS and IgG deficit respectively. Bacterial infections were the most frequent but fungal infections were the most severe.Disclosure of Interests:None declared
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Ariza J, Bunch A, Sanabria M, Rivera A, Berek S, Vesga J. PUK1 COST CONSEQUENCE ANALYSIS OF A REMOTE MONITORING PROGRAM TO IMPROVE CLINICAL PRACTICE OF AUTOMATED PERITONEAL DYALISIS IN COLOMBIA. Value Health Reg Issues 2019. [DOI: 10.1016/j.vhri.2019.08.455] [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: 11/26/2022]
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Rivera A, Mehta K, Brodin P, Asaro A, Kabarriti R, Kalnicki S, Garg M. Impact of Follow-Up Compliance and Demographics in Patients with Gynecologic Malignancies Treated at an Urban Academic Center. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1496] [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: 10/26/2022]
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Werlinger F, Villalón M, Duarte V, Acevedo R, Aguilera R, Alcocer D, Badillo O, Briones R, Condal C, Del Río M, García R, Herrera M, Jaramillo J, Merchan F, Nasi M, Osbén R, Rivera A, Riviello S, Rojas P, Vidal C, Rodríguez G, Schild S, Arroyo E, Alvarado MJ, Sepúlveda P, Cortés J. Trends of maxillofacial trauma: An update from the prospective register of a multicenter study in emergency services of Chile. Med Oral Patol Oral Cir Bucal 2019; 24:e588-e594. [PMID: 31433390 PMCID: PMC6764707 DOI: 10.4317/medoral.22985] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 05/17/2019] [Indexed: 11/08/2022] Open
Abstract
Background Determine the behavior of the maxillofacial trauma of adults treated in 3 tertiary care centers in the central zone of Chile. Material and Methods Descriptive, cross-sectional, multicenter study, based on the prospective records of maxillofacial trauma cases attended between May 2016 and April 2017 by dental and maxillofacial clinical teams of Adult Emergency Units of hospitals Dr. Sótero del Río (metropolitan region), Carlos Van Buren and Dr. Gustavo Fricke (region V). Age, sex, date of occurrence, type of trauma according to ICD-10, etiology, legal medical prognosis and associated injuries were recorded, stratifying by sex and age. Chi square and unpaired Wilcoxon tests were used to compare by groups. Results 2.485 cases and 3.285 injuries were investigated. The male: female ratio was 1.7: 1 with age under 30 predominant, followed by older adults. Variability was observed in the yearly, weekly and daily presentation. The highest frequencies were in January and September, weekends and at night. The main etiologies were violence (42.3%), falls (13.1%) and road traffic crashes (12.9%) with differences by age and sex (p<0.05). 31,9% of the injuries occurred in hard tissue, being fractures in nasal bones predominant (S02.2). Conclusions The profile of the maxillofacial trauma in Chile seems to be mixed by age, affecting young people and the elderly. The male sex predominates; the main cause, which varies by age group, is violence. Their surveillance is possible from hospital emergency records. Key words:Maxillofacial trauma, emergency department, multicenter study.
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Affiliation(s)
- F Werlinger
- Sergio Livingstone Polhammer 943, Independencia, Santiago, Chile,
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Mardones R, Giai Via A, Rivera A, Tomic A, Somarriva M, Wainer M, Camacho D. Arthroscopic treatment of femoroacetabular impingement in patients older than 60 years. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2016.17] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- R. Mardones
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - A. Giai Via
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - A. Rivera
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - A. Tomic
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - M. Somarriva
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - M. Wainer
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
| | - D. Camacho
- Department of Adult Reconstruction Surgery Hip/Knee and Hip Arthroscopy, Clínica Las Condes, Santiago de Chile, Chile
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Gullón L, Gutiérrez-Gutiérrez J, Sánchez del Arco RT, Rivera A, Fernández I, Del Cañizo JF. Development of an automated liver perfusion system: The benefit of a hemofilter. Int J Artif Organs 2018; 41:723-729. [DOI: 10.1177/0391398818783851] [Citation(s) in RCA: 2] [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: 11/17/2022]
Abstract
Introduction: Liver perfusion machines are close to becoming a reality in the transplantation field. However, depending on the techniques used and the goals pursued, their application is limited in the research field. Here, we present the entire development of a perfusion system with self-made engineering, completely autonomous controls, and a high degree of versatility that allows the design of different studies on liver functionality. Methods: A user-friendly interface permits real-time monitoring and remote control by the devices within the circuit. Centrifugal pumps allow the perfusate enter the organ with controlled pressures and flows at both hepatic artery and portal vein. The implementation of a hemofilter as a novel tool permits to control and maintain homeostasis. Peristaltic pumps adjust pH, extraction rate, and total volume by means of sensors. Results: Real-time monitoring facilitates liver functionality assessment. The controlled system shows rapid stabilization and quick responses to changes during 6 h of perfusion experiments. Furthermore, the integration of a hemofilter helps the system to eliminate toxic waste and maintain homeostasis. Discussion: The machine provides the basis of a perfusion system with autonomous controls and the implementation of a hemofilter that enables a more efficient control of hemostasis. Moreover, the developed hardware and software are subjected to further tuning for additional purposes such as pathophysiologic studies, suboptimal grafts recovery, or recellularization of decellularized scaffolds among others.
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Affiliation(s)
- Lucía Gullón
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
| | - Judit Gutiérrez-Gutiérrez
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
- Fundación para la Investigación Biomédica del Hospital Gregorio Marañón (FIBHGM), Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Robert T Sánchez del Arco
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
- Fundación para la Investigación Biomédica del Hospital Gregorio Marañón (FIBHGM), Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Andrés Rivera
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Ignacio Fernández
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Juan F Del Cañizo
- Laboratorio de Circulación Artificial (LCA), Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
- Fundación para la Investigación Biomédica del Hospital Gregorio Marañón (FIBHGM), Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Pabellón de Medicina y Cirugía Experimental, Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain
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Pineda-Trujillo N, Rodríguez-Acevedo A, Rodríguez A, Ruíz-Linares A, Bedoya G, Rivera A, Alfaro JM. RNASEH1 gene variants are associated with autoimmune type 1 diabetes in Colombia. J Endocrinol Invest 2018; 41:755-764. [PMID: 29204916 DOI: 10.1007/s40618-017-0797-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 11/17/2017] [Indexed: 12/19/2022]
Abstract
BACKGROUND In a previous work, we found linkage and association of type 1 diabetes (T1D) to a 12 known gene region at chromosome 2p25 in Colombian families. Here, we present further work on this candidate region. MATERIALS AND METHODS Seventeen SNPs located on the 12 candidate genes, in 100 familial trios set, were tested by ARMS-tetraprimer-PCR or PCR-RFLP. Five extra SNPs in the vicinity of rs10186193 were typed. A replica phase included 97 novel familial trios, in whom diabetes-related auto-antibodies (AABs) were tested in sera of the patients. In addition to transmission disequilibrium tests, haplotype analyses were carried out using the unphased software. RESULTS SNP rs10186193 (at RNASEH1 gene) showed association with T1D (P = 0.005). The additional five SNPs revealed that rs7607888 (P = 2.03 × 10-7), rs55981318 (P = 0.018), and rs1136545 (P = 1.93 × 10-9) were also associated with T1D. Haplotype analysis showed association for rs55981318-rs10186193 (P = 0.0005), rs7563960-rs7607888 (P = 0.0007), rs7607888-rs1136545 (P = 9.21 × 10-10), and rs1136545-rs11538545 (P = 6.67 × 10-8). In contrast, the new set of 97 familial trios tested for SNPs rs55981318, rs10186193, and rs7607888 did not support the previous finding; however, by combining the sample (197 trios), evidence of association of T1D with rs55981318 and rs7607888 was conclusive. In addition, a two-loci haplotype analysis of the combined sample showed significant association of RNASEH1 with T1D (P = 3.1 × 10-5). CONCLUSION In conclusion, our analyses suggest that RNASEH1 gene variants associate with susceptibility/protection to T1D in Colombia.
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Affiliation(s)
- N Pineda-Trujillo
- Grupo Mapeo Genetico, Departamento de Pediatria, Facultad de Medicina, Universidad de Antioquia, Medellín, 050010470, Colombia.
| | - A Rodríguez-Acevedo
- Grupo Mapeo Genetico, Departamento de Pediatria, Facultad de Medicina, Universidad de Antioquia, Medellín, 050010470, Colombia
| | - A Rodríguez
- Grupo Mapeo Genetico, Departamento de Pediatria, Facultad de Medicina, Universidad de Antioquia, Medellín, 050010470, Colombia
| | - A Ruíz-Linares
- Department of Biology, University College London, London, WC1E 6BT, UK
| | - G Bedoya
- GENMOL, Instituto de Biologia, Universidad de Antioquia, Medellín, 1226, Colombia
| | - A Rivera
- Grupo Mapeo Genetico, Departamento de Pediatria, Facultad de Medicina, Universidad de Antioquia, Medellín, 050010470, Colombia
| | - J-M Alfaro
- Grupo Mapeo Genetico, Departamento de Pediatria, Facultad de Medicina, Universidad de Antioquia, Medellín, 050010470, Colombia
- Seccion de Endocrinología, Departamento de Pediatria, Universidad de Antioquia, Medellín, 1226, Colombia
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Baran E, Godoy A, Merino E, Benigni L, Gonzalez J, Pierini N, Copparoni G, Farah A, Zubillaga M, Rivera A, Ferranti S, Bocanegra R, Lorenzin A, Barrena E, Varela C, Gatti L, Goñi S. P159 Usefulness of extended oral glucose tolerance test in patients with cystic fibrosis older than 16 years. J Cyst Fibros 2018. [DOI: 10.1016/s1569-1993(18)30454-5] [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: 11/25/2022]
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Abadie R, Gelpi-Acosta C, Davila C, Rivera A, Welch-Lazoritz M, Dombrowski K. "It Ruined My Life": The effects of the War on Drugs on people who inject drugs (PWID) in rural Puerto Rico. Int J Drug Policy 2018; 51:121-127. [PMID: 28716395 PMCID: PMC5851589 DOI: 10.1016/j.drugpo.2017.06.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/12/2017] [Accepted: 06/19/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND The War on Drugs has raised the incarceration rates of racial minorities for non-violent drug-related crimes, profoundly stigmatized drug users, and redirected resources from drug prevention and treatment to militarizing federal and local law enforcement. Yet, while some states consider shifting their punitive approach to drug use, to one based on drug treatment and rehabilitation, nothing suggests that these policy shifts are being replicated in Puerto Rico. METHODS This paper utilizes data from 360 PWID residing in four rural towns in the mountainous area of central Puerto Rico. We initially recruited 315 PWID using respondent-driven sampling (RDS) and collected data about risk practices and conducted HIV and HCV testing. During a second phase, we conducted 34 micro-ethnographic assays, in which we randomly recruited 34 participants from the first phase and included their ego networks in this phase. Our ethnographic inquiry produced significant data regarding the effects of the war on drugs on the local drug trade, drug availability, and injectors' social networks. RESULTS Findings suggest that repressive policing has been ineffective in preventing drug distribution and use among those in our study. This type of law enforcement approach has resulted in the disproportionate incarceration of poor drug users in rural Puerto Rico, and mainly for nonviolent drug-related crimes. In addition, incarceration exposes PWID to a form of a cruel and unusual punishment: having to quit heroin "cold turkey" while the prison environment also represents a HIV/HCV risk. In turn, the war on drugs not only diverts resources from treatment but also shapes treatment ideologies, punishing non-compliant patients. CONCLUSION Shifting the emphasis from repression to treatment and rehabilitation is likely to have a positive impact on the health and overall quality of life of PWID and their communities.
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Affiliation(s)
- R Abadie
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA; Department of Social Science, LaGuardia Community College (CUNY), 31-10 Thompson Ave, Long Island City, NY 11101, USA.
| | - C Gelpi-Acosta
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA
| | - C Davila
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA
| | - A Rivera
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA
| | - M Welch-Lazoritz
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA
| | - K Dombrowski
- Department of Sociology, University of Nebraska-Lincoln, 206 Benton Hall, Lincoln, NE 68588, USA
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Rivera A, Uribe JM, Ríos-Motta J, Bolte M. Effect of protonation on the structure of 1,3,6,8-tetraazatricyclo[4.4.1.13,8] dodecane (TATD) adamanzane: Crystal structure and DFT analysis of 3,6,8-triaza-1-azoniatricyclo[4.4.1.13,8]dodecane 4-nitrophenolate 4-nitrophenol. J STRUCT CHEM+ 2017. [DOI: 10.1134/s0022476617040217] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Alvarez J, Rivera A, Gonzalez-Arrabal R, Garoz D, Rio ED, Perlado JM. Materials Research for HiPER Laser Fusion Facilities: Chamber Wall, Structural Material and Final Optics. Fusion Science and Technology 2017. [DOI: 10.13182/fst11-a12443] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- J. Alvarez
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
| | - A. Rivera
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
| | - R. Gonzalez-Arrabal
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
| | - D. Garoz
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
| | - E. del Rio
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
| | - J. M. Perlado
- Instituto de Fusión Nuclear (UPM), José Gutiérrez Abascal 2, E28006 Madrid, Spain
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Stehlík M, Aguirre P, Girard S, Jordanova P, Kiseľák J, Torres S, Sadovský Z, Rivera A. On ecosystems dynamics. Ecological Complexity 2017. [DOI: 10.1016/j.ecocom.2016.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Simón F, Kartashev V, González-Miguel J, Rivera A, Diosdado A, Gómez PJ, Morchón R, Siles-Lucas M, Kartashev V, Bastrikov N, Ilyasov B, Ermakov A, Kartashov S, Dontsov D, Ambalov Y, Pavlikovska T, Sagach O, Nikolaenko S, Chizh N, Korzan A, Salauyova A, González-Miguel J, Morchón R, Siles-Lucas M, Simon F, Fok É, Kucsera I, Übleis SS, Cuk C, Nawratil M, Wimmer V, Zittra C, Butter J, Obwaller A, Lebl K, Zechmeister T, Weiss S, Duscher GG, Auer H, Joachim A, Fuehrer HP, Savic S, Pudar D, Petric D, Capelli G, Montarsi F, Silaghi C, Kramer L, Carretón E, Peña L, Caceres S, Silvan G, Illera JC, Montoya-Alonso JA, Yilmaz E, Fritzenwanker M, Pantchev N, Lendner M, Wongkamchai S, Otranto D, Kroidl I, Dennebaum M, Ramünke S, Schaper R, von Samson-Himmelstjerna G, Poppert S, Krücken J, Florea CICN, Tudor PG, Olaru SP, Dobrica AM, Dobrzyński A, Klockiewicz M, Wysmołek M, Czopowicz M, Parzeniecka-Jaworska M, Nowakowska J, Długosz E, Diakou A, Mylonakis M, Polizopoulou Z, Koutinas C, Manzocchi S, Di Palma S, Peloso M, Pantchev N, Milojković N, Aranđelović M, Ćurčin L, Mitková B, Novotná M, Juránková J, Hofmannová L, Bowman DD, Modrý D, Leschnik M, Alho AM, Cortes HCE, Lopes AP, Vila-Viçosa MJ, Cardoso L, Belo S, de Carvalho LM, Alho AM, Vilhena H, Oliveira AC, Granada S, Lopes AP, Belo S, de Carvalho LM, Cardoso L, Blaga R, Daniel-Lesnard V, Polack B, Beurlet S, Martin C, Guillot J, Ciuca L, Morchón R, Moroti RV, Arbune M, Hurjui L, Constantin R, Acatrinei D, Miron L, Kramer L, Rinaldi L, Simón F, Długosz E, Szmidt A, Dobrzyński A, Wysmołek M, Klockiewicz M, Džamić AM, Kalezić T, Čalovski IČ, Rašić D, Cvetković M, Mitrović S, Morchón R, Carretón E, Gómez PJ, Diosdado A, González-Miguel J, Diosdado A, González-Miguel J, Simón F, Morchón R, Panic V, Bekvalac R, Fenjac I, Potkonjak A, Otasevic S, Savic S, Papadopoulos E, Angelou A, Gallidis E, Spanoudis K, Schaper R, Chandrashekar R, Kosic LS, Lalosevic V, Naglic A, Simin S, Kuruca L, Spasovic A, Krzysztof T, Klaudiusz S, Maciek G, Junkuszew A, Dudko P, Nikola P, Marzena S, Ryszard I, Wimmer V, Ionică AM, Zittra C, Leitner N, Votýpka J, Modrý D, Mihalca AD, Fuehrer HP, Schnyder M, Lange M, Penagos F, Hermosilla C, Schaper R, Taubert A, Grandi G, Osterman-Lind E, Schaper R, Forshell U, Schnyder M, Čabanová V, Hurníková Z, Miterpáková M, Conboy G, Murphy N, Hofstede T, Barutzki D, Dyachenko V, Schaper R, Lempereur L, Martinelle L, Bayrou C, Marechal F, Dalemans AC, Losson BJ, Elsheikha HM, Holmes SB, Gillis-Germitsch N, Schnyder M, Conboy G, Guselle N, Schaper R, Diakou A, Migli D, Di Cesare A, Psalla D, Youlatos D, Traversa D, Gherman CM, Deak G, Ionică AM, D’Amico G, Otranto D, Mihalca AD, Lange M, Penagos F, Muñoz-Caro T, Magdowski G, Gärtner U, Mejer H, Schaper R, Hermosilla C, Taubert A, Szczepaniak K, Tomczuk K, Grzybek M, Iwanicki R, Bedel B, Blaga R, Gouni V, Chetboul V, Benchekroun G, Blot S, Verwaerde P, Polack B, Hansen AP, Vinther LM, Skarbye LK, Olsen CS, Mejer H, Willesen JL, Di Cesare A, Venco L, Manzocchi S, Grillotti E, Auriemma E, Pampurini F, Garofani C, Ibba F, Traversa D, Penagos F, Gutiérrez J, Velez JD, Piedrahita D, Lange M, Hermosilla C, Taubert A, Chaparro J, Macchioni F, Magi M, Ulivieri E, Gori F, Schnyder M. Fifth European Dirofilaria and Angiostrongylus Days (FiEDAD) 2016. Parasit Vectors 2017. [PMCID: PMC5259908 DOI: 10.1186/s13071-016-1902-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Fogwill CJ, Turney CSM, Golledge NR, Etheridge DM, Rubino M, Thornton DP, Baker A, Woodward J, Winter K, van Ommen TD, Moy AD, Curran MAJ, Davies SM, Weber ME, Bird MI, Munksgaard NC, Menviel L, Rootes CM, Ellis B, Millman H, Vohra J, Rivera A, Cooper A. Antarctic ice sheet discharge driven by atmosphere-ocean feedbacks at the Last Glacial Termination. Sci Rep 2017; 7:39979. [PMID: 28054598 PMCID: PMC5215443 DOI: 10.1038/srep39979] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 11/29/2016] [Indexed: 11/17/2022] Open
Abstract
Reconstructing the dynamic response of the Antarctic ice sheets to warming during the Last Glacial Termination (LGT; 18,000–11,650 yrs ago) allows us to disentangle ice-climate feedbacks that are key to improving future projections. Whilst the sequence of events during this period is reasonably well-known, relatively poor chronological control has precluded precise alignment of ice, atmospheric and marine records, making it difficult to assess relationships between Antarctic ice-sheet (AIS) dynamics, climate change and sea level. Here we present results from a highly-resolved ‘horizontal ice core’ from the Weddell Sea Embayment, which records millennial-scale AIS dynamics across this extensive region. Counterintuitively, we find AIS mass-loss across the full duration of the Antarctic Cold Reversal (ACR; 14,600–12,700 yrs ago), with stabilisation during the subsequent millennia of atmospheric warming. Earth-system and ice-sheet modelling suggests these contrasting trends were likely Antarctic-wide, sustained by feedbacks amplified by the delivery of Circumpolar Deep Water onto the continental shelf. Given the anti-phase relationship between inter-hemispheric climate trends across the LGT our findings demonstrate that Southern Ocean-AIS feedbacks were controlled by global atmospheric teleconnections. With increasing stratification of the Southern Ocean and intensification of mid-latitude westerly winds today, such teleconnections could amplify AIS mass loss and accelerate global sea-level rise.
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Affiliation(s)
- C J Fogwill
- PANGEA Research Centre, University of New South Wales, 2052, Australia.,Climate Change Research Centre, School of Biological Earth and Environmental Sciences, University of New South Wales, 2052, Australia
| | - C S M Turney
- PANGEA Research Centre, University of New South Wales, 2052, Australia.,Climate Change Research Centre, School of Biological Earth and Environmental Sciences, University of New South Wales, 2052, Australia
| | - N R Golledge
- Antarctic Research Centre, Victoria University of Wellington, Wellington 6140, New Zealand.,GNS Science, Avalon, Lower Hutt, New Zealand
| | - D M Etheridge
- CSIRO Climate Science Centre, Oceans and Atmosphere, Aspendale, Victoria, 3195 Australia
| | - M Rubino
- CSIRO Climate Science Centre, Oceans and Atmosphere, Aspendale, Victoria, 3195 Australia.,Dipartimento di Matematica e Fisica, Università della Campania - Luigi Vanvitelli, viale Lincoln, 5-81100 Caserta, Italy
| | - D P Thornton
- CSIRO Climate Science Centre, Oceans and Atmosphere, Aspendale, Victoria, 3195 Australia
| | - A Baker
- PANGEA Research Centre, University of New South Wales, 2052, Australia
| | - J Woodward
- Department of Geography, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, NE1 8ST, United Kingdom
| | - K Winter
- Department of Geography, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, NE1 8ST, United Kingdom
| | - T D van Ommen
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia.,Antarctic Climate &Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, Tasmania 7001, Australia
| | - A D Moy
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia.,Antarctic Climate &Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, Tasmania 7001, Australia
| | - M A J Curran
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia.,Antarctic Climate &Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, Tasmania 7001, Australia
| | - S M Davies
- Department of Geography, College of Science, Swansea University, Swansea, United Kingdom
| | - M E Weber
- Department of Earth Sciences, University of Cambridge, Drummond Street, Cambridge, United Kingdom.,Steinmann Institute, University of Bonn, Poppelsdorfer Schloss, Bonn, Germany
| | - M I Bird
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering, James Cook University, Cairns, Australia
| | - N C Munksgaard
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering, James Cook University, Cairns, Australia.,Research Institute for the Environment and Livelihoods, Charles Darwin University, Australia
| | - L Menviel
- PANGEA Research Centre, University of New South Wales, 2052, Australia.,Climate Change Research Centre, School of Biological Earth and Environmental Sciences, University of New South Wales, 2052, Australia
| | - C M Rootes
- Department of Geography, University of Sheffield, United Kingdom
| | - B Ellis
- Research School of Earth Sciences, Australian National University, Canberra, Australia
| | - H Millman
- Climate Change Research Centre, School of Biological Earth and Environmental Sciences, University of New South Wales, 2052, Australia
| | - J Vohra
- PANGEA Research Centre, University of New South Wales, 2052, Australia.,Climate Change Research Centre, School of Biological Earth and Environmental Sciences, University of New South Wales, 2052, Australia
| | - A Rivera
- Glaciology and Climate Change Laboratory, Centro de Estudios Cientficos, Valdivia, Arturo Prat 514, Chile.,Department of Geography, University of Chile, Santiago, Chile
| | - A Cooper
- Australian Centre for Ancient DNA, University of Adelaide, 5005, Australia
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Spratt D, Osborne J, Zumsteg Z, Rebiez K, Leeman J, Rivera A, Zelefsky M. Radium-223 Outcomes After Multiple Lines of Metastatic Castration–Resistant Prostate Cancer Therapy in Clinical Practice: Implication of Pretreatment Spinal Epidural Disease. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1152] [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: 10/20/2022]
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Rivera A. 1592 Prediction of crude protein and neutral detergent fiber content in Pennisetum clandestinum by near-infrared spectroscopy. J Anim Sci 2016. [DOI: 10.2527/jam2016-1592] [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: 11/13/2022] Open
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Lorenzo R, Argibay A, Sousa A, Val N, Baroja A, Maure B, Freire M, Rivera A. AB0501 Sjögren Syndrome, Cancer Incidence and Mortality in Vigo Area. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Martinez-Vidal A, Freire M, Soto-Peleteiro A, Sousa-Dominguez A, Villaverde-Alvarez I, Vázquez-Triñanes C, Lorenzo-Castro R, Argibay A, Rivera A. AB0584 Systemic Sclerosis Sine Scleroderma: An Infra-Diagnosed Disease? Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Estévez M, Argibay A, Pérez A, Vázquez-Triñanes C, Machado B, Lorenzo R, Sousa A, Villaverde I, Freire M, Rivera A. SAT0316 Neurological Involvement in Patients with Antiphospholipid Syndrome: A Case Series with A Long-Term Follow-Up. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Saldarriaga C, Gonzalez G, Navarrete S, Echeverria L, Novoa M, Murillo N, Rivera A, Rodriguez M, Rolong B, Trout G. PM098 Optimization of Heart Failure Treatment at Hospital Discharge: a 30-day Follow-up Study “On behalf of the Roci Pilot Project”. Glob Heart 2016. [DOI: 10.1016/j.gheart.2016.03.300] [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] Open
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Sousa A, Martínez-Vidal A, Soto-Peleteiro A, Lorenzo R, Baroja A, Vázquez-Triñanes C, Argibay A, Freire M, Rivera A. AB0527 Comparison of Two Initial Prednisone Dose Regimens in Giant Cell Arteritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.6001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Spratt DE, Osborne JR, Zumsteg ZS, Rebeiz K, Leeman J, Rivera A, Morris MJ, Zelefsky MJ. Radium-223 outcomes after multiple lines of metastatic castration-resistant prostate cancer therapy in clinical practice: implication of pre-treatment spinal epidural disease. Prostate Cancer Prostatic Dis 2016; 19:271-6. [PMID: 27112529 DOI: 10.1038/pcan.2016.14] [Citation(s) in RCA: 2] [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] [Received: 01/09/2016] [Revised: 02/03/2016] [Accepted: 03/01/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND Magnetic resonance imaging (MRI) is not routinely performed before initiating radium-223 to document spinal epidural disease. However, radium-223 decays to form α-particles with very short path lengths that may not reach the epidural space. Herein, we investigate the impact of baseline spinal epidural disease on metastatic castration-resistant prostate cancer (mCRPC) patients treated with radium-223. METHODS Between October 2013 to December 2014, 41 consecutive mCRPC patients at a large tertiary cancer center were prescribed radium-223 as part of standard of care. 29% of patients had pre-treatment epidural disease (posMRI), 27% had no epidural disease (negMRI), and 44% did not have a baseline MRI (noMRI). All patients had post-treatment spinal imaging. Actuarial survival times were calculated for overall survival (OS), spinal axis radiographic progression-free survival (spinePFS) and epidural progression-free survival (epiPFS) from time of first radium-223 treatment. RESULTS For patients with posMRI (n=12), noMRI (n=18) and negMRI (n=11) cumulative rates of development or worsening of epidural disease and/or high-grade cord compression at time of last follow-up were 83%, 44% and 9%, respectively (P=0.001). For the posMRI, noMRI and negMRI groups the median OS was 6.3 months, 12.6 months and not reached (P=0.01), the median spinePFS was 3.2 months, 4.8 months and not reached (P=0.01), and the median epiPFS was 3.2 months, 10.4 months and not reached (P=0.001). Completing less than six cycles of radium-223 was significantly associated with worse OS (P<0.0001), spinePFS (P=0.007) and epiPFS (P=0.01). Greater than or equal to twenty osseous lesions pre-treatment was significantly associated with worse spinePFS (P=0.001) and epiPFS (P=0.03). CONCLUSIONS In a heavily pre-treated small cohort, patients with baseline epidural disease frequently progressed to spinal cord compression and early cessation of radium-223 therapy. Studies are needed to determine the optimal timing of radium-223 with other mCRPC therapies given the predilection for epidural disease and treatment failure after multiple prior lines of mCRPC therapy.
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Affiliation(s)
- D E Spratt
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Radiation Oncology, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - J R Osborne
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Z S Zumsteg
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - K Rebeiz
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - J Leeman
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - A Rivera
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - M J Morris
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - M J Zelefsky
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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Lam H, Ku G, Wu D, Cheng K, Rivera A, Tumanan-Mendoza B, Alejandria M. Cost-effectiveness analysis of dengue vaccination in the Philippines. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.897] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Galluzzi G, Dufour D, Thomas E, van Zonneveld M, Escobar Salamanca AF, Giraldo Toro A, Rivera A, Salazar Duque H, Suárez Baron H, Gallego G, Scheldeman X, Gonzalez Mejia A. An Integrated Hypothesis on the Domestication of Bactris gasipaes. PLoS One 2015; 10:e0144644. [PMID: 26658881 PMCID: PMC4675520 DOI: 10.1371/journal.pone.0144644] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 11/20/2015] [Indexed: 11/19/2022] Open
Abstract
Peach palm (Bactris gasipaes Kunth) has had a central place in the livelihoods of people in the Americas since pre-Columbian times, notably for its edible fruits and multi-purpose wood. The botanical taxon includes both domesticated and wild varieties. Domesticated var gasipaes is believed to derive from one or more of the three wild types of var. chichagui identified today, although the exact dynamics and location of the domestication are still uncertain. Drawing on a combination of molecular and phenotypic diversity data, modeling of past climate suitability and existing literature, we present an integrated hypothesis about peach palm’s domestication. We support a single initial domestication event in south western Amazonia, giving rise to var. chichagui type 3, the putative incipient domesticate. We argue that subsequent dispersal by humans across western Amazonia, and possibly into Central America allowed for secondary domestication events through hybridization with resident wild populations, and differential human selection pressures, resulting in the diversity of present-day landraces. The high phenotypic diversity in the Ecuadorian and northern Peruvian Amazon suggest that human selection of different traits was particularly intense there. While acknowledging the need for further data collection, we believe that our results contribute new insights and tools to understand domestication and dispersal patterns of this important native staple, as well as to plan for its conservation.
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Affiliation(s)
- Gea Galluzzi
- Regional Office for the Americas, Bioversity International, Cali, Valle del Cauca, Colombia
- * E-mail:
| | - Dominique Dufour
- CIRAD, Centro de cooperación internacional en investigación agronómica para el desarrollo, Cali, Valle del Cauca, Colombia
| | - Evert Thomas
- Regional Office for the Americas, Bioversity International, Cali, Valle del Cauca, Colombia
| | - Maarten van Zonneveld
- Sub-regional Office for the Americas, Bioversity International, Turrialba, Cartago,Costa Rica
| | | | - Andrés Giraldo Toro
- CIAT, Centro Internacional de Agricultura Tropical, Cali, Valle del Cauca, Colombia
| | - Andrés Rivera
- CIAT, Centro Internacional de Agricultura Tropical, Cali, Valle del Cauca, Colombia
| | | | | | - Gerardo Gallego
- CIAT, Centro Internacional de Agricultura Tropical, Cali, Valle del Cauca, Colombia
| | - Xavier Scheldeman
- Regional Office for the Americas, Bioversity International, Cali, Valle del Cauca, Colombia
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Freire M, Rivera A, Soto A, Fonollosa V, Colunga D, Egurbide M, Marí B, Simeon C. FRI0480 Clinic and Mortality Differences Between Sclerodermic Men and Women of the Rescle Cohort. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.5644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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