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Woodley FW, Di Lorenzo C, Sanchez R. Ambulatory Impedance-pH Assessment Is the Industry Standard But Is It Always the Best Choice? J Neurogastroenterol Motil 2024; 30:251-252. [PMID: 38576374 PMCID: PMC10999839 DOI: 10.5056/jnm23190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Affiliation(s)
- Frederick W Woodley
- Center for Motility Disorders, Nationwide Children's Hospital, Columbus, OH, USA
- Division of Gastroenterology, Nationwide Children's Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Carlo Di Lorenzo
- Center for Motility Disorders, Nationwide Children's Hospital, Columbus, OH, USA
- Division of Gastroenterology, Nationwide Children's Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Raul Sanchez
- Center for Motility Disorders, Nationwide Children's Hospital, Columbus, OH, USA
- Division of Gastroenterology, Nationwide Children's Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, USA
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Hallak J, Caldini EG, Teixeira TA, Correa MCM, Duarte-Neto AN, Zambrano F, Taubert A, Hermosilla C, Drevet JR, Dolhnikoff M, Sanchez R, Saldiva PHN. Transmission electron microscopy reveals the presence of SARS-CoV-2 in human spermatozoa associated with an ETosis-like response. Andrology 2024. [PMID: 38469742 DOI: 10.1111/andr.13612] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/05/2024] [Accepted: 01/23/2024] [Indexed: 03/13/2024]
Abstract
BACKGROUND Severe acute syndrome coronavirus 2 can invade a variety of tissues, including the testis. Even though this virus is scarcely found in human semen polymerase chain reaction tests, autopsy studies confirm the viral presence in all testicular cell types, including spermatozoa and spermatids. OBJECTIVE To investigate whether the severe acute syndrome coronavirus 2 is present inside the spermatozoa of negative polymerase chain reaction-infected men up to 3 months after hospital discharge. MATERIALS AND METHODS This cross-sectional study included 13 confirmed moderate-to-severe COVID-19 patients enrolled 30-90 days after the diagnosis. Semen samples were obtained and examined with real-time polymerase chain reaction for RNA detection and by transmission electron microscopy. RESULTS In moderate-to-severe clinical scenarios, we identified the severe acute syndrome coronavirus 2 inside spermatozoa in nine of 13 patients up to 90 days after discharge from the hospital. Moreover, some DNA-based extracellular traps were reported in all studied specimens. DISCUSSION AND CONCLUSION Although severe acute syndrome coronavirus 2 was not present in the infected men's semen, it was intracellularly present in the spermatozoa till 3 months after hospital discharge. The Electron microscopy (EM) findings also suggest that spermatozoa produce nuclear DNA-based extracellular traps, probably in a cell-free DNA-dependent manner, similar to those previously described in the systemic inflammatory response to COVID-19. In moderate-to-severe cases, the blood-testes barrier grants little defence against different pathogenic viruses, including the severe acute syndrome coronavirus 2. The virus could also use the epididymis as a post-testicular route to bind and fuse to the mature spermatozoon and possibly accomplish the reverse transcription of the single-stranded viral RNA into proviral DNA. These mechanisms can elicit extracellular cell-free DNA formation. The potential implications of our findings for assisted conception must be addressed, and the evolutionary history of DNA-based extracellular traps as preserved ammunition in animals' innate defence might improve our understanding of the severe acute syndrome coronavirus 2 pathophysiology in the testis and spermatozoa.
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Affiliation(s)
- Jorge Hallak
- Departamento de Cirurgia, Disciplina de Urologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
- Androscience, Science & Innovation Center in Andrology and High-Complex Clinical and Research Andrology Laboratory., Androscience Institute, Sao Paulo, Brasil
| | - Elia G Caldini
- Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Thiago A Teixeira
- Androscience, Science & Innovation Center in Andrology and High-Complex Clinical and Research Andrology Laboratory., Androscience Institute, Sao Paulo, Brasil
- Departamento de Cirurgia, Divisão de Urologia, Hospital Universitário da Universidade Federal do Amapá, Amapá, Brazil
| | | | - Amaro N Duarte-Neto
- Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Fabiola Zambrano
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
- Center of Translational Medicine-Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Anja Taubert
- Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany
| | - Carlos Hermosilla
- Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany
| | - Joël R Drevet
- GReD Institute, CNRS-INSERM-Université Clermont Auvergne, Faculty of Medicine, Clermont-Ferrand, France
| | - Marisa Dolhnikoff
- Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Raul Sanchez
- Center of Translational Medicine-Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
- Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany
| | - Paulo H N Saldiva
- Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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Pei C, Todorov P, Cao M, Kong Q, Isachenko E, Rahimi G, Mallmann-Gottschalk N, Uribe P, Sanchez R, Isachenko V. Comparative Transcriptomic Analyses for the Optimization of Thawing Regimes during Conventional Cryopreservation of Mature and Immature Human Testicular Tissue. Int J Mol Sci 2023; 25:214. [PMID: 38203385 PMCID: PMC10778995 DOI: 10.3390/ijms25010214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Cryopreservation of human testicular tissue, as a key element of anticancer therapy, includes the following stages: saturation with cryoprotectants, freezing, thawing, and removal of cryoprotectants. According to the point of view existing in "classical" cryobiology, the thawing mode is the most important consideration in the entire process of cryopreservation of any type of cells, including cells of testicular tissue. The existing postulate in cryobiology states that any frozen types of cells must be thawed as quickly as possible. The technologically maximum possible thawing temperature is 100 °C, which is used in our technology for the cryopreservation of testicular tissue. However, there are other points of view on the rate of cell thawing, according to how thawing should be carried out at physiological temperatures. In fact, there are morphological and functional differences between immature (from prepubertal patients) and mature testicular tissue. Accordingly, the question of the influence of thawing temperature on both types of tissues is relevant. The purpose of this study is to explore the transcriptomic differences of cryopreserved mature and immature testicular tissue subjected to different thawing methods by RNA sequencing. Collected and frozen testicular tissue samples were divided into four groups: quickly (in boiling water at 100 °C) thawed cryopreserved mature testicular tissue (group 1), slowly (by a physiological temperature of 37 °C) thawed mature testicular tissue (group 2), quickly thawed immature testicular tissue (group 3), and slowly thawed immature testicular tissue (group 4). Transcriptomic differences were assessed using differentially expressed genes (DEG), the Kyoto Encyclopedia of Genes and Genomes (KEGG), gene ontology (GO), and protein-protein interaction (PPI) analyses. No fundamental differences in the quality of cells of mature and immature testicular tissue after cryopreservation were found. Generally, thawing of mature and immature testicular tissue was more effective at 100 °C. The greatest difference in the intensity of gene expression was observed in ribosomes of cells thawed at 100 °C in comparison with cells thawed at 37 °C. In conclusion, an elevated speed of thawing is beneficial for frozen testicular tissue.
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Affiliation(s)
- Cheng Pei
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
| | - Plamen Todorov
- Institute of Biology and Immunology of Reproduction of Bulgarian Academy of Sciences (BAS), 1113 Sofia, Bulgaria;
| | - Mengyang Cao
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
| | - Qingduo Kong
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
| | - Evgenia Isachenko
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
| | - Gohar Rahimi
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
- Medizinisches Versorgungszentrum AMEDES für IVF- und Pränatalmedizin in Köln GmbH, 50968 Cologne, Germany
| | - Nina Mallmann-Gottschalk
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
| | - Pamela Uribe
- Center of Excellence in Translational Medicine, Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Temuco 4810296, Chile; (P.U.); (R.S.)
- Department of Internal Medicine, Faculty of Medicine, Universidad de la Frontera, Temuco 4811230, Chile
| | - Raul Sanchez
- Center of Excellence in Translational Medicine, Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Temuco 4810296, Chile; (P.U.); (R.S.)
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de la Frontera, Temuco 4811230, Chile
| | - Volodimir Isachenko
- Department of Obstetrics and Gynecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (C.P.); (Q.K.); (E.I.); (N.M.-G.)
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Jurado CA, Villalobos-Tinoco J, Mekled S, Sanchez R, Afrashtehfar KI. Printed Digital Wax-up Model as a Blueprint for Layered Pressed-ceramic Laminate Veneers: Technique Description and Case Report. Oper Dent 2023; 48:618-626. [PMID: 37881104 DOI: 10.2341/22-144-s] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/17/2023] [Indexed: 10/27/2023]
Abstract
This article presents a clinical technique for transferring Digital Smile Design (DSD) information and a digital wax-up to fabricate highly personalized ceramic laminate veneers. The hybrid workflow of digitally designed wax-up and conventional hand-crafted veneers is showcased in a female adult who sought to improve her smile due to maxillary anterior incisal wear. The ceramic veneers, layered by feldspathic porcelain, followed the contours and shade blueprint planned with the digital wax-up. The DSD improved the harmony of the facial-and-smile relationship, and the ceramic restorations fulfilled the patient's esthetic and functional demands. Guides based on the printed model with the digitally designed wax-up can provide a reference for pressed lithium disilicate veneers layered with feldspathic porcelain.
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Affiliation(s)
- C A Jurado
- Carlos Alberto Jurado, DDS, MS, associate professor, Department of Prosthodontics, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - J Villalobos-Tinoco
- Jose Villalobos-Tinoco, DDS, MS, visiting faculty, Specialty Program in Periodontics, National University of Rosario School of Dentistry, Rosario, Argentina
| | - S Mekled
- Salwa Mekled, DDS, MBA, associate professor, Department of Restorative Dentistry, Temple University Kornberg School of Dentistry, Philadelphia, PA, USA
| | - R Sanchez
- Ramon Sanchez, MDT, dental technician, private practice, San Felipe, BC, Mexico
| | - K I Afrashtehfar
- *Kelvin I. Afrashtehfar, DDS, MSc, Dr, FDS RCS, FRCDC, assistant professor, Division of Restorative Dental Sciences, Clinical Sciences Department, College of Dentistry, Ajman University, AE, UAE; adjunct research associate professor, Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, BE, Switzerland
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Sanchez R, Duncker D, Colley B, Doering M, Gummadi S, Perings C, Robertson M, Shroff G, Veltmann
C. The Heart Failure Optimization Study (HF-OPT): rationale and design. Herzschrittmacherther Elektrophysiol 2023; 34:52-58. [PMID: 36695885 PMCID: PMC9950163 DOI: 10.1007/s00399-022-00920-5] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND According to the current guidelines, implantable cardioverter-defibrillators (ICD) for primary prevention in patients with heart failure and reduced ejection fraction (HFrEF) should not be considered until optimal guideline-directed medical therapy (GDMT) has been achieved for a minimum of 3 months. Optimization of GDMT often needs time beyond 3 months after diagnosis. The aim of the Heart Failure Optimization Study (HF-OPT) is to evaluate the recovery of left ventricular function beyond 3 months after diagnosis of newly diagnosed HFrEF. METHODS The HF-OPT multicenter study is comprised of two non-randomized phases (registry and study). During the first 90 days a wearable cardioverter-defibrillator (WCD) is prescribed and patients are enrolled in an observational pre-study registry. Registry subjects meeting inclusion criteria for the study portion at day 90 have ongoing left ventricular ejection fraction (LVEF) reassessment at 90, 180 and 360 days after the index hospital discharge, regardless of continued WCD use. Approximately 600 subjects will be enrolled in the study portion. Of those, one-third are anticipated to start the study phase at day 90 with reduced LVEF. The primary objective of this study is to observe the rate of recovery of LVEF > 35% between 90 and 180 days, while key secondary endpoints include mortality and WCD recorded arrhythmias and shocks. DISCUSSION The HF-OPT study will provide important information on the rate of additional recovery of LVEF > 35%, between 90 and 180 days, in newly diagnosed HF with reduced LVEF patients being titrated with GDMT. The results of the study may impact indications for primary prophylactic ICD implantation.
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Affiliation(s)
- R. Sanchez
- HCA Florida Heart Institute, St. Petersburg, FL USA
| | - D. Duncker
- Hannover Heart Rhythm Center, Hannover Medical School, Hannover, Germany
| | - B. Colley
- Jackson Heart Clinic, Jackson, MS USA
| | - M. Doering
- Heart Center Leipzig, University of Leipzig, Leipzig, Germany
| | | | - C. Perings
- Katholisches Klinikum Luenen, Luenen, Germany
| | | | - G. Shroff
- Baptist Heart Specialists, Jacksonville, FL USA
| | - C. Veltmann
- Hannover Heart Rhythm Center, Hannover Medical School, Hannover, Germany
- Center for Electrophysiology Bremen, Klinikum Links der Weser, Senator-Wessling-Str. 1, 28277 Bremen, Germany
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Sanchez R, Groc M, Vuillemin R, Pujo-Pay M, Raimbault V. Development of a Frugal, In Situ Sensor Implementing a Ratiometric Method for Continuous Monitoring of Turbidity in Natural Waters. Sensors (Basel) 2023; 23:1897. [PMID: 36850493 PMCID: PMC9962470 DOI: 10.3390/s23041897] [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] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Turbidity is a commonly used indicator of water quality in continental and marine waters and is mostly caused by suspended and colloidal particles such as organic and inorganic particles. Many methods are available for the measurement of turbidity, ranging from the Secchi disk to infrared light-based benchtop or in situ turbidimeters as well as acoustic methods. The operational methodologies of the large majority of turbidity instruments involve the physics of light scattering and absorption by suspended particles when light is passed through a sample. As such, in the case of in situ monitoring in water bodies, the measurement of turbidity is highly influenced by external light and biofouling. Our motivation for this project is to propose an open-source, low-cost in situ turbidity sensor with a suitable sensitivity and operating range to operate in low-to-medium-turbidity natural waters. This prototype device combines two angular photodetectors and two infrared light sources with different positions, resulting in two different types of light detection, namely nephelometric (i.e., scattering) and attenuation light, according to the ISO 7027 method. The mechanical design involves 3D-printed parts by stereolithography, which are compatible with commercially available waterproof enclosures, thus ensuring easy integration for future users. An effort was made to rely on mostly off-the-shelf electronic components to encourage replication of the system, with the use of a highly integrated photometric front-end commonly used in portable photoplethysmography systems. The sensor was tested in laboratory conditions against a commercial benchtop turbidimeter with Formazin standards. The monitoring results were analyzed, obtaining a linear trendline from 0 to 50 Nephelometric Turbidity Unit (NTU) and an accuracy of +/-0.4 NTU in the 0 to 10 NTU range with a response time of less than 100 ms.
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Affiliation(s)
- Raul Sanchez
- LAAS-CNRS, Université de Toulouse, CNRS, 31400 Toulouse, France
| | - Michel Groc
- Sorbonne Université, CNRS, FR3724, Observatoire Océanologique de Banyuls, 66651 Banyuls-sur-Mer, France
| | - Renaud Vuillemin
- Sorbonne Université, CNRS, FR3724, Observatoire Océanologique de Banyuls, 66651 Banyuls-sur-Mer, France
| | - Mireille Pujo-Pay
- Sorbonne Université, CNRS, UMR7621, Laboratoire d’Océanographie Microbienne (LOMIC), 66651 Banyuls-sur-Mer, France
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Sanchez R, Duncker D, Colley B, Doering M, Gummadi S, Perings C, Robertson M, Shroff G, Veltmann C. Publisher Erratum: The Heart Failure Optimization Study (HF‑OPT): rationale and design. Herzschrittmacherther Elektrophysiol 2023; 34:91. [PMID: 36786850 PMCID: PMC9950152 DOI: 10.1007/s00399-023-00928-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Affiliation(s)
- R. Sanchez
- HCA Florida Heart Institute, St. Petersburg, FL USA
| | - D. Duncker
- Hannover Heart Rhythm Center, Hannover Medical School, Hannover, Germany
| | - B. Colley
- Jackson Heart Clinic, Jackson, MS USA
| | - M. Doering
- Heart Center Leipzig, University of Leipzig, Leipzig, Germany
| | | | - C. Perings
- Katholisches Klinikum Luenen, Luenen, Germany
| | | | - G. Shroff
- Baptist Heart Specialists, Jacksonville, FL USA
| | - C. Veltmann
- Hannover Heart Rhythm Center, Hannover Medical School, Hannover, Germany ,Center for Electrophysiology Bremen, Klinikum Links der Weser, Senator-Wessling-Str. 1, 28277 Bremen, Germany
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Teixido Tura G, Martinez D, Calvo F, Garcia-Orta R, Sanchez R, Larranaga JM, Hernandiz A, Diaz E, Montanes E, Cabrera F, Sabate A, Nistal F, Forteza A, Evangelista A. Aortic and vascular involvement in Loeys-Dietz Syndrome. Results from the REPAG registry (Spanish network of genetic aortic diseases). Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
LDS is a rare disease due to genetic variants in the TGFB pathway. Limited information is available regarding the overall aortic and vascular outcome of these patients
Purpose
To evaluate aortic and vascular complications of patients with mutations in the TGFB pathway.
Methods
Retrospective longitudinal study including patients with (likely) pathogenic (LP/P) variants in the TGFbeta pathway from 10 tertiary centers. Clinical and imaging data were reviewed and data on aortic and vascular outcome included.
Results
A total of 163 patients were included (47.9% women, 38.6% index cases), mean age at first evaluation 32.3±20.4 years, 27.0% with age <16 years. 70 TGFBR1, 43 TGFBR2, 29 SMAD3, 9 TGFB2 and 12 TGFB3 (Table1)
During a mean follow-up of 4.7±3.7 years, 54 (33.1%) patients had at least 1 aortic surgery (max 6). Mean age at first aortic surgery was 37.2±16.8 years (Range 1.2–72.9). First surgery was elective in 42 (77.8%), and included aortic root or ascending aorta in 40 (95.2%) and isolated descending aorta in 2 (4.8%). Emergent surgery included aortic root or ascending aorta in 11 (92.7%). Ascending aorta-root diameter previous to elective surgery was 48.9±4.9mm (range 41–65). 7 patients died during follow-up (2 intracranial bleeding, 1 SD, 2 aortic ruptures, 1post aortic surgery, 1 non-CV). Furthermore, 19 acute aortic syndromes (AAS) were reported (17 dissections, 2 haematomas) in 18 patients, 10 type A (52.6%). Mean age at first AAS was 42.3±11.1 years (min 19.7 years to 62.9 years)
Median survival free of intervention, dissection or death was 57.1 years, being worst for men than women (44.7 yrs vs 69.1 years, p<0.001) (Figure 1), these gender-difference only remained significant in the TGFBR1 and SMAD3 groups (p=0.005 and p=0.008) Regarding aortic branch and intracranial aneurysms, a total of 383 imaging studies of aortic branches and 223 cranial imaging studies were performed during the clinical follow-up. 21 cranial aneurysms and 73 aortic branch aneurisms were reported. 14 (11.5%) patients suffered 19 aneurysms-related events (3 dissections, 3 ruptures, 13 interventions).
Conclusions
In patients with Loeys-Dietz Syndrome, there's a high prevalence of aortic surgeries and acute aortic events, with high numbers of peripheral and intracranial aneurysms. A worst prognosis in men than in women is observed in TGFBR1 and SMAD3 variants. Thus, specialized clinical and imaging follow-up is crucial in the management of these patients
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- G Teixido Tura
- University Hospital Vall d'Hebron, Cardiology , Barcelona , Spain
| | - D Martinez
- Puerta de Hierro Majadahonda University Hospital, Cardiac Surgery, Majadahonda , Madrid , Spain
| | - F Calvo
- Hospital Universitario Alvaro Cunqueiro, Cardiology , Vigo , Spain
| | - R Garcia-Orta
- Virgen de las Nieves University Hospital, Cardiology , Granada , Spain
| | - R Sanchez
- General University Hospital of Alicante , Alicante , Spain
| | - J M Larranaga
- Hospital General A Coruna, Cardiology , A Coruna , Spain
| | - A Hernandiz
- Hospital Universitario y Politecnico La Fe , Valencia , Spain
| | - E Diaz
- Hospital Clinico Universitario, Cardiology , Salamanca , Spain
| | - E Montanes
- University Hospital 12 de Octubre , Madrid , Spain
| | - F Cabrera
- University Hospital Virgen de la Victoria, Cardiology , Malaga , Spain
| | - A Sabate
- University Hospital Vall d'Hebron, Pediatric Cardiology , Barcelona , Spain
| | - F Nistal
- University Hospital Marques de Valdecilla, Cardiac Surgery , Santander , Spain
| | - A Forteza
- Puerta de Hierro Majadahonda University Hospital, Cardiac Surgery, Majadahonda , Madrid , Spain
| | - A Evangelista
- University Hospital Vall d'Hebron, Cardiology , Barcelona , Spain
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Rocamora-Horrach M, Peiro O, Serrano I, Rodriguez J, Carrasquer A, Ferrero-Guillem M, Romeu A, Lal-Trehan N, Sanchez R, Del Moral V, Delgado JR, Bardaji A. Profile and prognosis of patients with heart failure with recovered ejection fraction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.883] [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
Patients with heart failure (HF) and reduced ejection fraction (rEF) have a poor prognosis. Nevertheless, in the subgroup of patients with recovered ejection fraction (recEF) prognosis is unknown.
Purpose
To analyze characteristics and prognosis in patients with HFrEF (initial EF and at one year <40%) and HFrecEF (initial EF <40% and at one year ≥40% with ≥10% absolute improvement from the initial value).
Methods
Retrospective observational study of outpatients referred to the HF unit within March/2006 and November/2021. Baseline characteristics, ecocardiographic data and follow-up were collected, discerning between patients with HFrEF and HFrecEF.
Results
A total of 346 patients (76.0% men) were analyzed with a mean of age 66.3 (IQR 57.8–74.4) years, of which 50.6% remained with rEF and 49.4% recEF. Median follow-up was 4.6 (2.8–7.9) years. Both groups had a similar risk profile albeit less prevalence of dyslipidemia in the group with recEF (43.5% vs 56.7%, p=0.015). Ischemic etiology predominated in those with rEF (41.7% vs 25.7%, p=0.002) and enolic in recEF (10.5% vs 3.4%, p=0.009). The incidence of combined event (readmission for HF or death) was lower in HFrecEF (33.6% vs 66.4%, p<0.001), as well as death (33.9% vs 66.1%, p<0.001) and readmission for HF (24.4% vs 75.6%, p<0.001). Prevalence of cardiovascular death was lower in the group with recEF (37.8% vs 61.1%, p=0.021). In the multivariate analysis, rEF was an independent predictor for the combined event (HR 2.17; 95% IC [1.45–3.25], p<0.001), as well as for global mortality and readmission for HF.
Conclusion
Patients with HFrecEF have a similar risk profile than patients with HFrEF although with better long-term prognosis.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Rocamora-Horrach
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - O Peiro
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - I Serrano
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - J Rodriguez
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - A Carrasquer
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - M Ferrero-Guillem
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - A Romeu
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - N Lal-Trehan
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - R Sanchez
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - V Del Moral
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - J R Delgado
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
| | - A Bardaji
- University Hospital of Taragona Joan XXIII, Cardiology Department , Tarragona , Spain
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Sanchez R, Herrera C, Witkowski M. Effect of the timing of insemination (pre- or post-ovulatory) and type of semen (refrigerated or frozen) on the sex ratio of equine offspring. J Equine Vet Sci 2022. [DOI: 10.1016/j.jevs.2022.103985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Prieto M, Carocca A, Fullerton C, Hidalgo A, Diaz J, San Martin P, Godoy M, Nuño M, De Leon A, Rodriguez J, Sanchez R, Batiz F, Castillo A, Cuellar-Barboza A, Biernacka J, Frye M. Clinical Correlates of Cardiac Conduction in Bipolar Disorder. Eur Psychiatry 2022. [PMCID: PMC9566191 DOI: 10.1192/j.eurpsy.2022.1019] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction
Patients with bipolar disorder (BD) have an increased risk for cardiovascular morbimortality. Clinical risk factors, specifically for arrhythmias and sudden cardiac death remain understudied. Objectives This study was conducted to assess differences in cardiac conduction among BD patients. Methods We included patients with BD in a cross-sectional design, confirmed by structured interview, age 18 through 80. Clinical characteristics were obtained using a structured questionnaire or medical records review. ECG intervals duration and morphology were manually assessed by cardiologists and compared among clinical subgroups using Chi-square, Mann-Whitney, and Kruskall-Wallis tests. Exploratory multivariable linear and logistic regression models were fitted to adjust for potential confounders. Results We included 117 patients (60.7% women, 76.9% bipolar I, 50% history of psychosis, 22.6% suicide attempts). We found a significantly longer QTc interval in BD patients with hypertension (difference: 9.5 ms, p=0.006), obesity (difference: 25 ms, p=0.001), and metabolic syndrome (difference: 13 ms, p=0.007). Hypertension remained a significant predictor of longer QTc after adjusting for age, gender, and antipsychotic use (estimate 17.718, p=0.018). We observed a significantly shorter PR interval in women (difference: 6 ms, p=0.029), early age of onset (difference 6 ms, p=0.025), non-users of lithium (difference 4 ms, p=0.002), and early trauma (difference 4 ms, p=0.038). Finally, we identified significant correlations between symptom severity, blood glucose and PR interval (r=0.298, p=0.001; r=0.278, p=0.003; respectively). Conclusions Patients with BD and hypertension may have an increased risk for QTc prolongation. Careful cardiovascular monitoring may be warranted. Disclosure No significant relationships.
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Lal-Trehan Estrada N, Carrasquer A, Del Moral V, Sanchez R, Bonet G, Peiro O, Fort I, Bardaji A. Prognostic value of myocardial injury and chronic kidney disease in an emergency unit. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2922] [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
Cardiac troponin is independently associated with cardiovascular events and mortality in patients with chronic kidney disease (CKD). Their joint effect is yet to be clarified.
Purpose
This study aims to evaluate the prognostic implication of myocardial injury and CKD in patients attended in an emergency room.
Methods
Retrospective study carried out between January 2012 and December 2013 with consecutive patients attended in an emergency room with troponin determination, who were distributed into four cohorts according to positive troponin and/or glomerular filtration rate (GFR) <45ml/min/ 1.7. We analysed their baseline characteristics and the four-year prognosis.
Results
3622 patients were included (median age 68.5 years [IQR 55.5–79.5]; 43% were women). Compared to subjects with normal GFR, the 565 subjects with CKD were significantly older (80.5 vs 66.5 years), with worse cardiovascular profile (arterial hypertension: 87% vs 56%; diabetes mellitus: 46% vs 22%) and greater comorbidity (history of myocardial infarction: 29% vs 18%; heart failure: 17% vs 5%; peripheral vascular disease: 16% vs 5%; cerebrovascular disease: 13% vs 7%%). Myocardial injury was also related to elderly and worse cardiovascular profile and comorbidity, especially in normal GFR subjects. 23.5% (718 subjects) of normal GFR subjects presented with myocardial injury. This percentage was much higher in the presence of renal impairment (331 subjects, 58.6%). Troponin was associated with a higher risk of death (both in-hospital and during follow-up) and of readmission due to infarction or heart failure, regardless of GFR. The reference cohort in the multivariate competing risk mode was that with subjects without myocardial injury or kidney disease. This analysis showed the worst MACE (all-cause death, non-fatal myocardial infarction and heart failure admission) in four-year follow-up in patients with renal impairment and positive troponin (HR 3.94, 95% CI 3.317–4.682), second worst MACE in those with myocardial injury and with normal GFR (HR 2.408, 95% CI 2.064–2.811), and then abnormal GFR patients with negative troponin (HR 1.532, 95% CI 1.220–1.923). Patients with both myocardial injury and renal impairment had the highest mortality (HR 4.633, 95% CI 3.829–5.604) and more readmissions for heart failure (HR 2.163, 95% CI 1.647–2.841). The myocardial-injury-and-normal-GFR cohort showed significantly higher mortality than the renal-impairment-with-negative-troponin cohort (HR 2.669 vs HR 1.794), more heart failure (HR 1.951 vs 1.067) and more myocardial infarctions (HR 2.439 vs 1.235) in the follow-up.
Conclusion
The results suggest that myocardial injury has better predictive power than chronic kidney disease for MACE events and also for individually mortality, readmission for heart failure or myocardial infarction.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | - A Carrasquer
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - V Del Moral
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - R Sanchez
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - G Bonet
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - O Peiro
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - I Fort
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
| | - A Bardaji
- University Hospital of Taragona Joan XXIII, Tarragona, Spain
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Leroy AG, Lavigne-Quilichini V, Le Turnier P, Loufti B, Le Breton E, Piau C, Kempf M, Pantel A, Amara M, Neuwirth C, Sanchez R, Guinard J, Huon JF, Grégoire M, Corvec S. Accuracy of gradient diffusion method for susceptibility testing of dalbavancin and comparators. Expert Rev Anti Infect Ther 2021; 20:457-461. [PMID: 34469266 DOI: 10.1080/14787210.2021.1976143] [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] [Indexed: 10/20/2022]
Abstract
OBJECTIVES This multicenter study aimed to assess the performances of gradient diffusion (GD) method in comparison to broth microdilution (BMD) method for susceptibility testing of dalbavancin, daptomycin, vancomycin, and teicoplanin. METHODS Minimum Inhibitory Concentrations (MICs) were retrospectively determined concomitantly by BMD and GD methods, for 93 staphylococci and enterococci isolated from clinical samples. BMD was considered as the gold standard. Essential (EA) and categorical agreements (CA) were calculated. Discordant categorical results were categorized as major (ME) and very major errors (VME). RESULTS EA and CA were 95.7% and 96.8%, 82.8% and 100%, 97.8% and 96.8%, and 94.6% and 95.7% for dalbavancin, daptomycin, vancomycin, and teicoplanin respectively. Concerning dalbavancin, 3 ME without any VME were observed and discrepancies were low (≤ to 2 two-fold dilutions) between both methods. VME were noted in 1 and 3 cases for vancomycin and teicoplanin, respectively, and resulted from 1 two-fold dilution discrepancy in each case. EA was lower for daptomycin. When they were discrepant, BMD MICs were systematically higher than GD ones. Nevertheless, no categorical discrepancy was noted. CONCLUSIONS GD appears as an acceptable and convenient alternative for dalbavancin, vancomycin, and teicoplanin MICs determination. Our study also emphasizes how achieving accurate daptomycin MICs remains challenging.
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Affiliation(s)
- A G Leroy
- Department of Microbiology, University Hospital of Nantes, Nantes, France
| | | | - P Le Turnier
- Department of Infectious Diseases, University Hospital of Nantes, and CIC 1413, INSERM, Nantes, France
| | - B Loufti
- Department of Microbiology, Centre Hospitalier Layné, Mont de Marsan, France
| | - E Le Breton
- Department of Microbiology, Centre Hospitalier de Cornouaille, Quimper, France
| | - C Piau
- Department of Clinical Microbiology, Rennes University Hospital, Rennes, France
| | - M Kempf
- Department of Microbiology, Angers University Hospital, Angers, France
| | - A Pantel
- Department of Microbiology, Nîmes University Hospital, Nîmes, France
| | - M Amara
- Department of Microbiology, Centre Hospitalier de Versailles, Le Chesnay, France
| | - C Neuwirth
- Department of Microbiology, University Hospital of Dijon, Dijon, France
| | - R Sanchez
- Department of Microbiology, Centre Hospitalier de Périgueux, Périgueux, France
| | - J Guinard
- Department of Microbiology, CHR Orléans, Orléans, France
| | - J F Huon
- Clinical Pharmacy Unit, Nantes University Hospital, Nantes, France
| | - M Grégoire
- Clinical Pharmacology Department, Nantes University Hospital, Nantes, France.,UMR INSERM 1235, The Enteric Nervous System in Gut and Brain Disorders, University of Nantes, Nantes, France
| | - S Corvec
- Department of Microbiology, University Hospital of Nantes, Nantes, France.,CRCINA, INSERM U1232, University Hospital of Nantes, Nantes, France
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Burch A, Sears S, Doring M, Gummadi S, Robertson M, Sanchez R, Shroff G, Veltmann C. Change in health-related quality of life among patients with a reduced ejection fraction initiating guideline-directed medical therapy. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3431] [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
Management of patients with heart failure (HF) should include patient reported outcomes (PROs). The Kansas City Cardiomyopathy Questionnaire is self-administered with subscales to evaluate HF symptom burden, physical limitations, social limitations (recreational participation), and quality of life (QoL). Change in PROs among newly diagnosed patients with HF and reduced ejection fraction (HFrEF) prescribed a wearable cardioverter defibrillator (WCD) and initiating guideline-directed medical therapy (GDMT) has not been assessed.
Purpose
Examine PROs over 180 days of receiving GDMT for newly diagnosed HFrEF.
Methods
Patients (n=93, 75.3% male) were enrolled ≤10 days post-hospitalization for new onset HF; all patients had an EF ≤35% and were prescribed a WCD. Health status, as measured by PRO was assessed at baseline, day 90, and day 180. Controlling for age and EF at baseline, changes in PROs over the 180-day study period were evaluated using repeated measures modeling. Pairwise comparisons with Bonferroni adjustments were used to compare adjacent timepoints. Higher scores reflect better health status.
Results
After controlling for age (mean 56±13.4) and baseline EF (mean 22±7.7) improvements in health status were observed. From baseline to day 90, physical limitation, symptom frequency, QoL, and the summary score all increased (Δ: 17.8, 23.7, 28.4, 23.7, respectively; all p's <0.05). From day 90 to day 180, only QoL continued to improve (Δ 7.5, p=0.001). Change in social limitations over time was not significant (p=0.42).
Conclusion
Patients report improved health status in the months following a new diagnosis of HFrEF when prescribed a WCD and GDMT.
Change in Quality of Life
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- A Burch
- East Carolina University, Greenville, United States of America
| | - S.F Sears
- East Carolina University, Greenville, United States of America
| | - M Doring
- Leipzig Heart Institute GmbH, Leipzig, Germany
| | - S Gummadi
- Cardiovascular Institute of Central Florida, Ocala, United States of America
| | - M Robertson
- Trinity Medical, Buffalo, United States of America
| | - R Sanchez
- The Heart Institute, Saint Petersburg, United States of America
| | - G Shroff
- Baptist Heart Specialists, Jacksonville, United States of America
| | - C Veltmann
- Medizinische Hochschule Hannover, Hannover, Germany
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Abbar M, Khan A, Rollin L, Sanchez R, Carson W, Morris B, Timko K, Marcus R. Efficacy of adjunctive aripiprazole to lithium or valproate in the long-term treatment of mania in subjects with bipolar i disorder (CN138–189). Eur Psychiatry 2020. [DOI: 10.1016/s0924-9338(11)71897-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
ObjectivesTo evaluate the long-term safety and efficacy of adjunctive aripiprazole (ARI) to lithium (LI) or valproate (VAL) in delaying time to relapse in bipolar I disorder.MethodsBipolar I disorder subjects with a current manic or mixed episode received LI or VAL for at least 2 weeks; inadequate responders (YMRS score ≥ 16 and ≤35% decrease from baseline at 2 weeks) received adjunctive ARI. Subjects maintaining mood stability (YMRS and MADRS ≤ 12 for 12 consecutive weeks) were randomised 1:1 to double-blind ARI (10 to 30 mg/day) or placebo (PBO) plus LI or VAL. Relapse was monitored up to 52 weeks.Results337 subjects were randomised to continuation of mood stabiliser plus adjunctive ARI or PBO; 61.3% and 52.7%, respectively, completed the study. Adjunctive ARI significantly delayed the time to any relapse, hazard ratio = 0.544 (95% CI: 0.33, 0.89, log-rank p = 0.014). Overall relapse rates at 52 weeks were 14.9% and 25.4% in ARI vs PBO subjects. A superior reduction in CGI-BP Mania Severity of Illness from baseline at 52 weeks was also observed (0.3 vs. 0.0, respectively, p = 0.01). Adverse events generally were as expected per known drug and illness profiles with no significant difference in mean change in body weight between adjunctive PBO (0.60 kg) and adjunctive ARI (1.07 kg) (p = 0.49 Week 52, LOCF).ConclusionContinuation of aripiprazole treatment increased time to relapse to any mood episode compared with placebo plus LI/VAL over 1 year, indicating a long-term benefit in continuing adjunctive aripiprazole to a mood stabiliser after sustained remission is achieved.
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16
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Hurtado G, Mateu G, Martinez R, Farre A, Marti J, Sanchez R, Diaz L, Campillo M. Personality dimensions and drug of choice: A descriptive study using Cloninger's temperament and character inventory revised. Eur Psychiatry 2020. [DOI: 10.1016/j.eurpsy.2016.01.1016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Personality dimensions related with drug use are novelty seeking, impulsivity and harm avoidance. Studies predicting drug of choice over personality variables are controversial.ObjectiveTo describe personality profile of drug users in relation to substance of choice.AimsTo know personality dimension differences according to drug used.MethodsCloninger's TCI-R was administered to 218 patients in a dual diagnosis unit.SPSS was applied.ResultsOf the patients, 33.94% had personality disorder. Principal substances used were alcohol, cocaine and cannabis.Most of drug users had normal scores in each dimension. No high scores were found in reward dependence, self-directedness and cooperativeness with any drug.High scores were observed for novelty seeking in 42.9% of timulants users; for arm avoidance in a quarter of cocaine, alcohol and methadone users and for persistence in 18.2% of hypnotics users.Low scores were observed for reward dependence in 45% of heroine and hypnotics users; for persistence in 50% of methadone and 32% of cocaine users; for self-directedness in most of types of drug users and for cooperativeness in up to 50% in heroine, hypnotics, stimulants and cocaine users.Statistical significant differences were observed for cocaine use and high novelty seeking and low cooperation; for non cannabis use and high harm avoidance; for non anfetamine use and low scores in reward dependence; for opiate use and low self-directedness.ConclusionsMost of patients had normal scores in the different dimensions.Presence of comorbid personality disorder led us to consider the results with caution.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Ankringa N, Sanchez R, Kammergruber E, Grinwis G, Gröne A. Bilateral Retrobulbar Extramedullary Haemopoiesis in a Feline Leukaemia Virus and Feline Immunodeficiency Virus-Negative Cat. J Comp Pathol 2020. [DOI: 10.1016/j.jcpa.2019.10.089] [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: 11/28/2022]
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Fukushima M, Goda J, Oizumi A, Bounds J, Cutler T, Grove T, Hayes D, Hutchinson J, McKenzie G, McSpaden A, Sanchez R, Walker J, Tsujimoto K. Systematic Measurements and Analyses for Lead Void Reactivity Worth in a Plutonium Core and Two Uranium Cores with Different Enrichments. NUCL SCI ENG 2019. [DOI: 10.1080/00295639.2019.1663089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- M. Fukushima
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
| | - J. Goda
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - A. Oizumi
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
| | - J. Bounds
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - T. Cutler
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - T. Grove
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - D. Hayes
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - J. Hutchinson
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - G. McKenzie
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - A. McSpaden
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - R. Sanchez
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - J. Walker
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - K. Tsujimoto
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
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Spis E, Bushkovskaia A, Isachenko E, Todorov P, Sanchez R, Skopets V, Isachenko V. Conventional freezing vs. cryoprotectant-free vitrification of epididymal (MESA) and testicular (TESE) spermatozoa: Three live births. Cryobiology 2019; 90:100-102. [PMID: 31419408 DOI: 10.1016/j.cryobiol.2019.08.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 07/05/2019] [Accepted: 08/13/2019] [Indexed: 11/27/2022]
Abstract
Data of cryoprotectant-free vitrification of human testicular and epididymal spermatozoa are limited. The aim of this investigation was to compare two aseptic technologies of TESE (testicular) and MESA (epididymal) spermatozoa cryopreservation: standard conventional freezing with the use of cryoprotectants and cryoprotectant-free vitrification. Sperm motility, capacitation-like changes, acrosome reaction and the mitochondrial membrane potential of frozen (5% glycerol, -10 °C/min) and vitrified (Human Tubal Fluid + 1% Human Serum Albumin+0.25 M sucrose, plunging into liquid nitrogen of capillaries with spermatozoa isolated from liquid nitrogen (aseptic method) were compared. The quality of the cryoprotectant-free vitrified MESA- and TESE-spermatozoa was higher than that of spermatozoa conventionally frozen with permeable cryoprotectants. Intracellular sperm injection (ICSI) was performed with vitrified spermatozoa. We report the birth of three healthy babies from two women following ICSI with motile MESA- and TESE-spermatozoa vitrified without cryoprotectants. This is the first report of full-term pregnancies and babies born after ICSI with epididymal and testicular spermatozoa vitrified without cryoprotectants. In conclusion, cryoprotectant-free vitrification can be successfully applied for the cryopreservation of motile TESE- and MESA-spermatozoa.
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Affiliation(s)
- Emilia Spis
- Research Group for Reproductive Medicine, Cologne University, Cologne, Germany; Clinic for Reproductive Medicine OXY-Center, Krasnodar, Russia
| | | | - Evgenia Isachenko
- Research Group for Reproductive Medicine, Cologne University, Cologne, Germany
| | - Plamen Todorov
- Institute of Biology and Immunology of Reproduction, Sofia, Bulgaria
| | - Raul Sanchez
- Center of Reproductive Biotechnology - Scientific and Technological Bioresource Nucleus (CEBIOR - BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Viola Skopets
- Clinic for Reproductive Medicine OXY-Center, Krasnodar, Russia
| | - Vladimir Isachenko
- Research Group for Reproductive Medicine, Cologne University, Cologne, Germany.
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Doval HC, Mariani J, Gómez GC, Vulcano L, Parlanti L, Gavranovic MA, Iemma M, Sanchez R, Macchia A. Cardiovascular and other risk factors among people who live in slums in Buenos Aires, Argentina. Public Health 2019; 170:38-44. [PMID: 30921654 DOI: 10.1016/j.puhe.2019.02.014] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 01/24/2019] [Accepted: 02/06/2019] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Effective planning of health policies requires the availability of accurate data, representing the burden of disease and risks to the diverse components of society. In Argentina, health information comes from the national risk factors survey (NRFS), which characterises the distribution of different risk factors. However, the NRFS has never collected information from residents living in slums, despite slums representing 10% of the population. The objective of this survey was to characterise the prevalence of cardiovascular and other risk factors among the inhabitants of one of the largest slums in Buenos Aires (Villa 31) and compare it to data from the NRFS. STUDY DESIGN This was a cross-sectional study. METHODS A cross-sectional study was carried out in 400 slum households, using the same data structure as the NRFS. The survey obtained information about economic aspects, reproductive health, addictions and risk factors. All participants had their blood pressure, weight and height measured. A total of 406 people were interviewed and their data were compared with data from 32,365 people in the NRFS. All comparisons were made on the basis of age group. RESULTS A fair/poor self-perceived level of health (odds ratio [OR] 3.19, 95% confidence interval [CI]: 2.60-3.91), anxiety and moderate to severe depression (OR 5.44, 95% CI: 4.43-6.69), problem drinking (OR 10.01, 95% CI 8.08-12.40), self-reported hypertension (OR 1.26, 95% CI: 1.01-1.57), overweight (OR 1.26, 95% CI: 1.03-1.55) and obesity (OR 1.72, 95% CI: 1.38-2.15) were significantly higher in the slum population. In people aged 18-24 years, the prevalence of diabetes was triple the national average (OR 3.17, 95% CI: 1.26-7.98). For all evaluated conditions in this study, the inhabitants of the slum received significantly less treatment compared with participants from the NRFS. CONCLUSIONS The prevalence of cardiovascular and other risk factors in the slum population has a different distribution to that reported in the NRFS. These data suggest the need to establish specific policies for slum populations.
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Affiliation(s)
- H C Doval
- Fundación GESICA, Buenos Aires, Argentina
| | - J Mariani
- Fundación GESICA, Buenos Aires, Argentina
| | - G C Gómez
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - L Vulcano
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - L Parlanti
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - M A Gavranovic
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - M Iemma
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - R Sanchez
- Pichón Riviere School of Social Psychology, Buenos Aires, Argentina
| | - A Macchia
- Fundación GESICA, Buenos Aires, Argentina.
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Rojas-Bracho L, Gulland FMD, Smith CR, Taylor B, Wells RS, Thomas PO, Bauer B, Heide-Jørgensen MP, Teilmann J, Dietz R, Balle JD, Jensen MV, Sinding MHS, Jaramillo-Legorreta A, Abel G, Read AJ, Westgate AJ, Colegrove K, Gomez F, Martz K, Rebolledo R, Ridgway S, Rowles T, van Elk CE, Boehm J, Cardenas-Hinojosa G, Constandse R, Nieto-Garcia E, Phillips W, Sabio D, Sanchez R, Sweeney J, Townsend F, Vivanco J, Vivanco JC, Walker S. A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets. ENDANGER SPECIES RES 2019. [DOI: 10.3354/esr00931] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Sanchez R, Nofrarias M, Wali N, Valle R, Pérez M, Majó N, Ramis A. Comparison of the pathobiology of two different highly pathogenic avian influenza strains of different origin in geese. J Comp Pathol 2019. [DOI: 10.1016/j.jcpa.2018.10.062] [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: 10/27/2022]
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Cuya R, Huanca W, Medina G, Sanchez R, Huanca WF. 99 Effect of application of seminal plasma on Day 0, 5, or 7 postmating on pregnancy rate and embryonic survival in alpacas (Lama pacos). Reprod Fertil Dev 2019. [DOI: 10.1071/rdv31n1ab99] [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: 11/23/2022] Open
Abstract
Alpacas, similar to other camelids, are classified as induced ovulators, as an external stimulus is required for the occurrence of ovulation. A protein identified as β-nerve growth factor, present in the seminal plasma (SP), has the capacity to induce ovulation and corpus luteum formation. Alpacas exhibit poor reproductive efficiency, with birth rates below 50% due in part to high embryo mortality before 35 days post-mating. A study was carried out to evaluate the effect of the application of SP on Day 0, 5, or 7 post-mating on pregnancy rate and embryo survival, defined as the difference in the numbers of pregnant females between Day 35 and 25. Nonpregnant adult alpaca females (n=124) between 5 to 6 years old were evaluated by transrectal ultrasonography to determine presence of a follicle ≥7mm, and then 2 days later to confirm permanence of the follicle. Alpacas were then bred by natural mating and assigned randomly to 1 of 4 treatments: 1mL of SP IM at mating; 1mL of SP IM Day 5 post-mating; 1mL of SP IM Day 7 post-mating; and control. Semen was collected from adults male and ejaculates were diluted 1:1 with PBS and then centrifuged for 30min at 3000 rpm. Supernatant was separated and a drop evaluated to determine absence of spermatozoa and SP-free sperm was stored at −20°C. Twenty adult males with optimal reproductive performance were used for mating with females assigned to the different treatments. Animals were evaluated by ultrasound with an Aloka SSD 500 (Aloka, Tokyo, Japan) and 5.0-MHz linear transducer on Day 25 and 35 to determine pregnancy rate and embryonic survival. Data were analysed by chi-square. Results are present in Table 1. The results differ from our initial hypothesis and a possible explanations may be that additional application of SP IM could saturate receptors and block the action of the seminal plasma present in the ejaculate of males.
Table 1.Pregnancy rate and embryonic survival in alpacas with application of seminal plasma on Day 0, 5, or 7
Study was supported by project no. 405-PNICP-PIAP-UNMSM.
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Isachenko V, Sanchez R, Rahimi G, Mallmann P, Isachenko E, Merzenich M. Cryoprotectant-free vitrification of spermatozoa: Fish as a model of human. Andrologia 2018; 51:e13166. [DOI: 10.1111/and.13166] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 09/03/2018] [Accepted: 09/07/2018] [Indexed: 12/16/2022] Open
Affiliation(s)
- Vladimir Isachenko
- Research Group for Reproductive Medicine, Department of Obstetrics and Gynecology, Medical Faculty; Cologne University; Cologne Germany
| | - Raul Sanchez
- Center of Reproductive Biotechnology - Scientific and Technological Bioresource Nucleus (CEBIOR - BIOREN); Universidad de La Frontera; Temuco Chile
| | - Gohar Rahimi
- Research Group for Reproductive Medicine, Department of Obstetrics and Gynecology, Medical Faculty; Cologne University; Cologne Germany
| | - Peter Mallmann
- Research Group for Reproductive Medicine, Department of Obstetrics and Gynecology, Medical Faculty; Cologne University; Cologne Germany
| | - Evgenia Isachenko
- Research Group for Reproductive Medicine, Department of Obstetrics and Gynecology, Medical Faculty; Cologne University; Cologne Germany
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Hidalgo D, Sanchez R, Lalaleo L, Bonfill M, Corchete P, Palazon J. Biotechnological Production of Pharmaceuticals and Biopharmaceuticals in Plant Cell and Organ Cultures. Curr Med Chem 2018. [PMID: 29521202 DOI: 10.2174/0929867325666180309124317] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Plant biofactories are biotechnological platforms based on plant cell and organ cultures used for the production of pharmaceuticals and biopharmaceuticals, although to date only a few of these systems have successfully been implemented at an industrial level. Metabolic engineering is possibly the most straightforward strategy to boost pharmaceutical production in plant biofactories, but social opposition to the use of GMOs means empirical approaches are still being used. Plant secondary metabolism involves thousands of different enzymes, some of which catalyze specific reactions, giving one product from a particular substrate, whereas others can yield multiple products from the same substrate. This trait opens plant cell biofactories to new applications, in which the natural metabolic machinery of plants can be harnessed for the bioconversion of phytochemicals or even the production of new bioactive compounds. Synthetic biological pipelines involving the bioconversion of natural substrates into products with a high market value may be established by the heterologous expression of target metabolic genes in model plants. OBJECTIVE To summarize the state of the art of plant biofactories and their applications for the pipeline production of cosme-, pharma- and biopharmaceuticals. RESULTS In order to demonstrate the great potential of plant biofactories for multiple applications in the biotechnological production of pharmaceuticals and biopharmaceuticals, this review broadly covers the following: plant biofactories based on cell and hairy root cultures; secondary metabolite production; biotransformation reactions; metabolic engineering tools applied in plant biofactories; and biopharmaceutical production.
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Affiliation(s)
- Diego Hidalgo
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Barcelona, Spain.,Department of Plant and Microbial Biology, University of California, 111 Koshland Hall, MC-3102, Berkeley, CA 94720-3102, United States
| | - Raul Sanchez
- Departament de Ciencies Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Liliana Lalaleo
- Faculty of Agricultural Sciences, Technical University of Ambato, Cevallos, Province of Tungurahua, Ecuador
| | - Mercedes Bonfill
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Barcelona, Spain
| | - Purificacion Corchete
- Department of Plant Physiology, Campus Miguel de Unamuno, University of Salamanca, Salamanca, Spain
| | - Javier Palazon
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Barcelona, Spain
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Siiskonen T, Ciraj-Bjelac O, Dabin J, Diklic A, Domienik-Andrzejewska J, Farah J, Fernandez J, Gallagher A, Hourdakis C, Jurkovic S, Järvinen H, Järvinen J, Knežević Ž, Koukorava C, Maccia C, Majer M, Malchair F, Riccardi L, Rizk C, Sanchez R, Sandborg M, Merce MS, Segota D, Sierpowska J, Simantirakis G, Sukupova L, Thrapsanioti Z, Vano E. Establishing the European diagnostic reference levels for interventional cardiology. Phys Med 2018; 54:42-48. [DOI: 10.1016/j.ejmp.2018.09.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 09/19/2018] [Accepted: 09/23/2018] [Indexed: 11/29/2022] Open
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Hidalgo M, Consuegra C, Dorado J, Diaz-Jimenez M, Ortiz I, Pereira B, Sanchez R, Crespo F. Concentrations of non-permeable cryoprotectants and equilibration temperatures are key factors for stallion sperm vitrification success. Anim Reprod Sci 2018; 196:91-98. [DOI: 10.1016/j.anireprosci.2018.06.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/12/2018] [Accepted: 06/28/2018] [Indexed: 10/28/2022]
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Sanchez R, Nasir K, Klimchak A, Kuznik A, Joulain F, Briggs A. Modeling the population health benefits of LDL-C reduction with alirocumab among cardiovascular disease/heterozygous familial hypercholesterolemia patients with elevated LDL-C. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.273] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Silva P, Fernandes-Lima F, Gallo C, Sampaio F, Sanchez R. 344 Human spermatozoa function is positively influenced by Vitamin D. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2018.04.305] [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: 12/01/2022]
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Herrera C, Jeannerat E, Sanchez R, Burger D, Wyck S, Janett F, Bollwein H. Blastocoele Fluid vs. Embryonic Cells for Sex Determination in Equine Embryos. J Equine Vet Sci 2018. [DOI: 10.1016/j.jevs.2018.05.087] [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: 11/28/2022]
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Goret J, Blanchi J, Floch P, Peuchant O, Chrisment D, Sanchez R, Biessy H, Lemarié R, Leyssene D, Loutfi B, Mimouni S, Flao T, Bébéar C, Mégraud F. Impact of the introduction of a nucleic acid amplification test for Clostridium difficile diagnosis on stool rejection policies. Gut Pathog 2018; 10:19. [PMID: 29854009 PMCID: PMC5975266 DOI: 10.1186/s13099-018-0245-x] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 05/19/2018] [Indexed: 12/02/2022] Open
Abstract
Background The change from non-molecular to nucleic acid amplification tests (NAATs) is known to increase the detection of Clostridium difficile infection (CDI); however, the impact on stool rejection policies in clinical laboratories is unclear. The current guidelines have reinforced the importance of respecting strict conditions for performing tests on stool samples for CDI diagnosis. The purpose of this study was to estimate whether the implementation of molecular tests has resulted in changes in stool rejection policies between clinical laboratories that introduced NAATs and those that did not. Results A survey was conducted to evaluate the change in the number of stool samples rejected and the rejection criteria among 12 hospital laboratories in southwestern France before and after the switch from non-molecular tests to NAATs using retrospective data from June 1 till September 30, 2013 and the same period 2014. Four laboratories introduced NAATs as a second or third step in the process. A total of 1378 and 1297 stools samples were collected in 2013 and 2014, respectively. The mean number of rejected stool samples significantly increased (p < 0.001, Chi square test), with a total of 99 (7.1%) and 147 (11.3%) specimens rejected in 2013 and 2014, respectively. Notably, these laboratories had more stringent criteria and were no longer testing the stool samples of patients with CDI-positive results within 7 days. In contrast, there was a significant decrease in the rate of rejected stool samples (p < 0.001, Chi square test) in the five laboratories that did not adopt NAATs and a less stringent stool rejection policy. Conclusion Nucleic acid amplification test implementation improved compliance with recommended stool rejection policies. Laboratories should follow the recommended laboratory algorithm for the CDI diagnosis combined with the correct stool rejection policy. Electronic supplementary material The online version of this article (10.1186/s13099-018-0245-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- J Goret
- 1Laboratoire de Bactériologie, C.H.U. de Bordeaux, Groupe Hospitalier Pellegrin, Place Amélie Raba Léon, 33076 Bordeaux Cedex, France
| | - J Blanchi
- 1Laboratoire de Bactériologie, C.H.U. de Bordeaux, Groupe Hospitalier Pellegrin, Place Amélie Raba Léon, 33076 Bordeaux Cedex, France
| | - P Floch
- 2C.H.U. de Bordeaux, Hôpital Haut-Lévèque, Pessac, France
| | - O Peuchant
- 2C.H.U. de Bordeaux, Hôpital Haut-Lévèque, Pessac, France
| | | | - R Sanchez
- C.H. de Périgueux, Périgueux, France
| | - H Biessy
- G.H. de La Rochelle-Ré-Aunis, La Rochelle, France
| | - R Lemarié
- G.H. de La Rochelle-Ré-Aunis, La Rochelle, France
| | - D Leyssene
- C. H. de la Côte Basque, Bayonne, France
| | - B Loutfi
- C.H. Mont de Marsan, Mont de Marsan, France
| | | | - T Flao
- C.H.I.C Marmande-Tonneins, Marmande, France
| | - C Bébéar
- 1Laboratoire de Bactériologie, C.H.U. de Bordeaux, Groupe Hospitalier Pellegrin, Place Amélie Raba Léon, 33076 Bordeaux Cedex, France
| | - F Mégraud
- 1Laboratoire de Bactériologie, C.H.U. de Bordeaux, Groupe Hospitalier Pellegrin, Place Amélie Raba Léon, 33076 Bordeaux Cedex, France
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Dugan K, Sanchez R, Zmijarevic I. Cross section homogenization for transient calculations in a spatially heterogeneous geometry. ANN NUCL ENERGY 2018. [DOI: 10.1016/j.anucene.2018.02.041] [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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Jensen EW, Demant L, Sanchez R. A Model for Estimation of the Pulmonary Capillary Pressure. Methods Inf Med 2018. [DOI: 10.1055/s-0038-1634959] [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: 10/17/2022]
Abstract
Abstract:To estimate the pulmonary capillary pressure, a theory was introduced by Holloway and coworkers. Based upon this, a mathematical model describing the measured data was developed. Because the physiologic data are embedded in noise and the pulmonary capillary pressure cannot be measured directly, we simulated an extensive series of data. The noise properties of the data were as analyzed to design a signal-processing tool, that cancels the noise from the measured data. The signal processing tool developed for the current application consists of pre-processing with a moving time average filter and post-processing with a neural network. After a verification procedure the tool can be applied to measured data, hence a more reliable measurement of the pulmonary capillary pressure is achieved.
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Isachenko V, Rahimi G, Mallmann P, Sanchez R, Isachenko E. Technologies of cryoprotectant-free vitrification of human spermatozoa: asepticity as criterion of effectiveness. Andrology 2017; 5:1055-1063. [DOI: 10.1111/andr.12414] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/23/2017] [Accepted: 07/11/2017] [Indexed: 11/30/2022]
Affiliation(s)
- V. Isachenko
- Department of Obstetrics and Gynaecology; University Maternal Hospital; Cologne University; Cologne Germany
| | - G. Rahimi
- Department of Obstetrics and Gynaecology; University Maternal Hospital; Cologne University; Cologne Germany
| | - P. Mallmann
- Department of Obstetrics and Gynaecology; University Maternal Hospital; Cologne University; Cologne Germany
| | - R. Sanchez
- Center of Translational Medicine; Scientific and Technological Bioresource Nucleus (CEMT- BIOREN); Department of Preclinical Science, Faculty of Medicine, University de La Frontera; Temuco Chile
| | - E. Isachenko
- Department of Obstetrics and Gynaecology; University Maternal Hospital; Cologne University; Cologne Germany
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Fukushima M, Goda J, Bounds J, Cutler T, Grove T, Hutchinson J, James M, McKenzie G, Sanchez R, Oizumi A, Iwamoto H, Tsujimoto K. Lead Void Reactivity Worth in Two Critical Assembly Cores with Differing Uranium Enrichments. NUCL SCI ENG 2017. [DOI: 10.1080/00295639.2017.1373520] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- M. Fukushima
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
| | - J. Goda
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - J. Bounds
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - T. Cutler
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - T. Grove
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - J. Hutchinson
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - M. James
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - G. McKenzie
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - R. Sanchez
- Los Alamos National Laboratory, Nuclear Engineering and Non-Proliferation Division, P.O. Box 1663, Los Alamos, New Mexico 87544
| | - A. Oizumi
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
| | - H. Iwamoto
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
| | - K. Tsujimoto
- Japan Atomic Energy Agency, Nuclear Science and Engineering Center, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
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Rouanes N, Sanchez R, Cazanave C. [A case of gonococcal arthritis: Diagnostic difficulties and usefulness of synovial fluid PCR]. Rev Med Interne 2017; 39:54-56. [PMID: 28844395 DOI: 10.1016/j.revmed.2017.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 05/26/2017] [Accepted: 07/24/2017] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The incidence of Neisseria gonorrhoeae septic arthritis remains low in the general population. Its clinical and microbiological diagnostic remains difficult. CASE REPORT We report a 44-year-old man who presented with a monoarthritis of the right ankle. The diagnosis of gonoccocal septic arthritis was obtained by PCR from the joint fluid. Treatment with ceftriaxone was effective. CONCLUSION In patients with high risk of N. gonorrhoeae infection, PCR for detection of gonorrhea in synovial fluid could potentially facilitate the diagnostic of gonococcal septic arthritis.
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Affiliation(s)
- N Rouanes
- Service de médecine interne et maladies infectieuses, centre hospitalier de Périgueux, 80, avenue G.-Pompidou, CS 61205, 24019 Périgueux cedex, France.
| | - R Sanchez
- Laboratoire de biologie médicale, centre hospitalier de Périgueux, 80, avenue G.-Pompidou, CS 61205, 24019 Périgueux cedex, France
| | - C Cazanave
- Service des maladies infectieuses et tropicales, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33076 Bordeaux cedex, France
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Cediel G, Carrasquer A, Gonzalez_Del_Hoyo M, Sanchez R, Boque C, Bardaji A. P6434Early risk stratification of patients with positive troponin and without acute coronary syndrome. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6434] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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39
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Affiliation(s)
- S. Rauck
- Commissariat à l’Energie Atomique, Direction des Réacteurs Nucléaires Services d’Etudes de Réacteurs et de Mathématiques Appliquées, CEA de Saclay, France
| | - R. Sanchez
- Commissariat à l’Energie Atomique, Direction des Réacteurs Nucléaires Services d’Etudes de Réacteurs et de Mathématiques Appliquées, CEA de Saclay, France
| | - I. Zmijarevic
- Commissariat à l’Energie Atomique, Direction des Réacteurs Nucléaires Services d’Etudes de Réacteurs et de Mathématiques Appliquées, CEA de Saclay, France
| | - M. Nobile
- Commissariat à l’Energie Atomique, Direction des Réacteurs Nucléaires Services d’Etudes de Réacteurs et de Mathématiques Appliquées, CEA de Saclay, France
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Affiliation(s)
- R. Sanchez
- University of Washington, Department of Nuclear Engineering Seattle, Washington 98195
| | - N. J. McCormick
- University of Washington, Department of Nuclear Engineering Seattle, Washington 98195
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Sanchez R, Ganapol BD. Benchmark Values for Monoenergetic Neutron Transport in One-Dimensional Cylindrical Geometry with Linearly Anisotropic Scattering. NUCL SCI ENG 2017. [DOI: 10.13182/nse83-a17458] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- R. Sanchez
- University of Washington, Department of Nuclear Engineering, Seattle, Washington 98195
| | - B. D. Ganapol
- University of Arizona, Department of Nuclear Engineering, Tucson, Arizona 85721
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Affiliation(s)
- R. Sanchez
- University of Washington, Department of Nuclear Engineering Seattle, Washington 98195
| | - N. J. McCormick
- University of Washington, Department of Nuclear Engineering Seattle, Washington 98195
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Akherraz B, Fedon-Magnaud C, Lautard JJ, Sanchez R. Anisotropic Scattering Treatment for the Neutron Transport Equation with Primal Finite Elements. NUCL SCI ENG 2017. [DOI: 10.13182/nse95-a24118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- B. Akherraz
- Commissariat à I’Énergie Atomique Servide d’Études de Réacteurs et de Mathématiques Appliquées Centre d’Études de Saclay, 91191 Gif sur Yvette Cedex, France
| | - C. Fedon-Magnaud
- Commissariat à I’Énergie Atomique Servide d’Études de Réacteurs et de Mathématiques Appliquées Centre d’Études de Saclay, 91191 Gif sur Yvette Cedex, France
| | - J. J. Lautard
- Commissariat à I’Énergie Atomique Servide d’Études de Réacteurs et de Mathématiques Appliquées Centre d’Études de Saclay, 91191 Gif sur Yvette Cedex, France
| | - R. Sanchez
- Commissariat à I’Énergie Atomique Servide d’Études de Réacteurs et de Mathématiques Appliquées Centre d’Études de Saclay, 91191 Gif sur Yvette Cedex, France
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Santandrea S, Sciannandrone D, Sanchez R, Mao L, Graziano L. A Neutron Transport Characteristics Method for 3D Axially Extruded Geometries Coupled with a Fine Group Self-Shielding Environment. NUCL SCI ENG 2017. [DOI: 10.1080/00295639.2016.1273634] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- S. Santandrea
- Université Paris-Saclay, DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, F-91191 Gif-sur-Yvette, France
| | - D. Sciannandrone
- Université Paris-Saclay, DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, F-91191 Gif-sur-Yvette, France
| | - R. Sanchez
- Université Paris-Saclay, DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, F-91191 Gif-sur-Yvette, France
| | - L. Mao
- Université Paris-Saclay, DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, F-91191 Gif-sur-Yvette, France
| | - L. Graziano
- Université Paris-Saclay, DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, F-91191 Gif-sur-Yvette, France
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Affiliation(s)
- S. Santandrea
- Commissariat à l’Energie Atomique, DEN/DANS/DM2S Service d’Etudes de Réacteurs et de Mathématiques Appliquées CEA de Saclay (France), 91191 Gif-sur-Yvette cedex, France
| | - R. Sanchez
- Commissariat à l’Energie Atomique, DEN/DANS/DM2S Service d’Etudes de Réacteurs et de Mathématiques Appliquées CEA de Saclay (France), 91191 Gif-sur-Yvette cedex, France
| | - P. Mosca
- Commissariat à l’Energie Atomique, DEN/DANS/DM2S Service d’Etudes de Réacteurs et de Mathématiques Appliquées CEA de Saclay (France), 91191 Gif-sur-Yvette cedex, France
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Fu GY, Isaev M, Ku LP, Mikhailov M, Redi MH, Sanchez R, Subbotin A, Cooper WA, Hirshman SP, Monticello DA, Reiman A, Zarnstorff M. Ideal Magnetohydrodynamic Stability of the NCSX. Fusion Science and Technology 2017. [DOI: 10.13182/fst07-a1300] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [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)
- G. Y. Fu
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | - M. Isaev
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | - L. P. Ku
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | | | - M. H. Redi
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | - R. Sanchez
- >Universidad Carlos III de Madrid, Madrid, Spain
| | | | - W. A. Cooper
- >CRPP0EPFL, Association Euratom-Suisse, Lausanne, Switzerland
| | | | - D. A. Monticello
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | - A. Reiman
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
| | - M. Zarnstorff
- >Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543
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Zambrano F, Aguila L, Arias ME, Sanchez R, Felmer R. Effect of sperm pretreatment with glutathione and membrane destabilizing agents lysolecithin and Triton X-100, on the efficiency of bovine intracytoplasmic sperm injection. Reprod Domest Anim 2017; 52:305-311. [PMID: 28058759 DOI: 10.1111/rda.12906] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 11/12/2016] [Indexed: 11/26/2022]
Abstract
Intracytoplasmic sperm injection (ICSI) is an assisted reproduction tool with several applications. Its effectiveness in bovines is lower than that in other species, mainly because of difficulties in the decondensation of the sperm nucleus after injection, and the presence of the acrosome and the plasma membrane which remain intact in this procedure. In this study, we assessed the effect of lysolecithin (LL) and Triton X-100 (TX), in combination with glutathione (GSH) as sperm pretreatments prior to ICSI. The GSH-LL and GSH-TX groups showed 0% of spermatozoa with intact membrane (SYBR 14+/PI), in comparison with the control (63.3%) and GSH (65.7%) groups. The proportions of spermatozoa with damaged acrosome membrane in the GSH-LL, GSH-TX, GSH and control groups were 46%, 35.9%, 10.5% and 7.5%, respectively. Sperm chromatin decondensation analysis showed that the groups incubated for 3 hr with GSH presented greater decondensation (p < .05). Although fertilization was improved in all treatment groups evaluated, no differences were observed in the cleavage rate 72 hr after activation in the GSH (73.7%), GSH-LL (80.2%) and GSH-TX (77.8%) groups compared to the control (66.3%), neither in the blastocyst rate on day 8 (24.0%, 26.2%, 27.1% and 28.4% for the control, GSH, GSH-LL and GSH-TX groups, respectively). No differences were also observed in the total number of cells in all groups. In conclusion, although these sperm treatments promoted nuclear decondensation and induced plasma membrane disruption, these effects were not sufficient to improve bovine embryonic development after ICSI.
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Affiliation(s)
- F Zambrano
- Laboratory of Reproduction, Centre of Reproductive Biotechnology (CEBIOR-BIOREN), Universidad de La Frontera, Temuco, Chile
| | - L Aguila
- Laboratory of Reproduction, Centre of Reproductive Biotechnology (CEBIOR-BIOREN), Universidad de La Frontera, Temuco, Chile
| | - M E Arias
- Laboratory of Reproduction, Centre of Reproductive Biotechnology (CEBIOR-BIOREN), Universidad de La Frontera, Temuco, Chile.,Department of Animal Production, Faculty of Agriculture and Forestry Sciences, Universidad de La Frontera, Temuco, Chile
| | - R Sanchez
- Laboratory of Reproduction, Centre of Reproductive Biotechnology (CEBIOR-BIOREN), Universidad de La Frontera, Temuco, Chile
| | - R Felmer
- Laboratory of Reproduction, Centre of Reproductive Biotechnology (CEBIOR-BIOREN), Universidad de La Frontera, Temuco, Chile.,Department of Agricultural Sciences and Natural Resources, Faculty of Agriculture and Forestry Sciences, Universidad de La Frontera, Temuco, Chile
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Isachenko V, Sanchez R, Mallmann P, Rahimi G, Isachenko E. Chapter 6 Technology of Aseptic Cryoprotectant-Free Vitrification of Human ICSI Spermatozoa. Methods Mol Biol 2017; 1568:79-84. [PMID: 28421490 DOI: 10.1007/978-1-4939-6828-2_6] [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] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The aim of this chapter was to describe the standardized aseptic technology of permeable cryoprotectant-free vitrification of human spermatozoa in capillaries (for ICSI or IVF in microvolume). Spermatozoa, vitrified by this technology, are free from seminal plasma owing to swim-up procedure preceding vitrification and are free from permeable cryoprotectants. They are ready for further use immediately after warming without any additional treatment.
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Affiliation(s)
- Vladimir Isachenko
- Department of Obsterics and Gynecology, Medical Faculty, University Maternal Hospital, Cologne University, Kerpener Str 34, 50931, Cologne, Germany.
| | - Raul Sanchez
- Department of Preclinical Science, Facultad de Medicina, Center for Traslation Medicine, Universidad de la Frontera, Avenida Alemania, 0458, Temuco, Chile
| | - Peter Mallmann
- Department of Obsterics and Gynecology, Medical Faculty, University Maternal Hospital, Cologne University, Kerpener Str 34, 50931, Cologne, Germany
| | - Gohar Rahimi
- Department of Obsterics and Gynecology, Medical Faculty, University Maternal Hospital, Cologne University, Kerpener Str 34, 50931, Cologne, Germany
| | - Evgenia Isachenko
- Department of Obsterics and Gynecology, Medical Faculty, University Maternal Hospital, Cologne University, Kerpener Str 34, 50931, Cologne, Germany
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Román M, Lopez I, Zubiri L, Sanchez R, Salas D, Gardeazabal I, Baraibar I, Santisteban M, Vicent S, Gil-Aldea I, Aguillo MM, Hernandez B, Lopez-Picazo J, Gurpide A, Guruceaga E, Perez-Gracia J, Collantes M, Ecay M, Gil-Bazo I. Id1 and Id3 genes confer poor prognosis in KRAS-mutant (KM) lung adenocarcinoma (LA) patients. Gene silencing reduces metastatic rate to the liver and increases survival. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw383.70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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