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Ortiz R, Barajas A, Pons-Grífols A, Trinité B, Tarrés-Freixas F, Rovirosa C, Urrea V, Barreiro A, Gonzalez-Tendero A, Cardona M, Ferrer L, Clotet B, Carrillo J, Aguilar-Gurrieri C, Blanco J. Exploring FeLV-Gag-Based VLPs as a New Vaccine Platform-Analysis of Production and Immunogenicity. Int J Mol Sci 2023; 24:ijms24109025. [PMID: 37240371 DOI: 10.3390/ijms24109025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/11/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Feline leukemia virus (FeLV) is one of the most prevalent infectious diseases in domestic cats. Although different commercial vaccines are available, none of them provides full protection. Thus, efforts to design a more efficient vaccine are needed. Our group has successfully engineered HIV-1 Gag-based VLPs that induce a potent and functional immune response against the HIV-1 transmembrane protein gp41. Here, we propose to use this concept to generate FeLV-Gag-based VLPs as a novel vaccine strategy against this retrovirus. By analogy to our HIV-1 platform, a fragment of the FeLV transmembrane p15E protein was exposed on FeLV-Gag-based VLPs. After optimization of Gag sequences, the immunogenicity of the selected candidates was evaluated in C57BL/6 and BALB/c mice, showing strong cellular and humoral responses to Gag but failing to generate anti-p15E antibodies. Altogether, this study not only tests the versatility of the enveloped VLP-based vaccine platform but also sheds light on FeLV vaccine research.
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Affiliation(s)
- Raquel Ortiz
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Ana Barajas
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
| | - Anna Pons-Grífols
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Benjamin Trinité
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | | | - Carla Rovirosa
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | - Victor Urrea
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | | | | | | | | | - Bonaventura Clotet
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
- Infectious Diseases Department, Germans Trias I Pujol Hospital, 08916 Badalona, Spain
| | - Jorge Carrillo
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- CIBERINFEC, ISCIII, 28029 Madrid, Spain
| | | | - Julià Blanco
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
- CIBERINFEC, ISCIII, 28029 Madrid, Spain
- Germans Trias I Pujol Research Institute (IGTP), Campus Can Ruti, 08916 Badalona, Spain
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Al-Mashari S, Al-Riyami H, Laghari AH, Faheem O, Ahmed SW, Qamar N, Furnaz S, Kazmi K, Saghir T, Aneel A, Asim A, Madiha F, Sobkowicz B, Tycinska A, Kazimierczyk E, Szyszkowska A, Mizia-Stec K, Wybraniec M, Bednarek A, Glowacki K, Prokopczuk J, Babinski W, Blachut A, Kosiak M, Kusinska A, Samborski S, Stachura J, Szastok H, Wester A, Bartoszewska D, Sosnowska-Pasiarska B, Krzysiek M, Legutko J, Nawrotek B, Kasprzak JD, Klosinska M, Wiklo K, Kurpesa M, Rechcinski T, Cieslik-Guerra U, Gierlotka M, Bugajski J, Feusette P, Sacha J, Przybylo P, Krzesinski P, Ryczek R, Karasek A, Kazmierczak-Dziuk A, Mielniczuk M, Betkier-Lipinska K, Roik M, Labyk A, Krakowian M, Machowski M, Paczynska M, Potepa M, Pruszczyk P, Budaj A, Ambroziak M, Omelanczuk-Wiech E, Torun A, Opolski G, Glowczynska R, Fojt A, Kowalik R, Huczek Z, Jedrzejczyk S, Roleder T, Brust K, Gasior M, Desperak P, Hawranek M, Farto-Abreu P, Santos M, Baptista S, Brizida L, Faria D, Loureiro J, Magno P, Monteiro C, Nédio M, Tavares J, Sousa C, Almeida I, Almeida S, Miranda H, Santos H, Santos AP, Goncalves L, Monteiro S, Baptista R, Ferreira C, Ferreira J, Goncalves F, Lourenço C, Monteiro P, Picarra B, Santos AR, Guerreiro RA, Carias M, Carrington M, Pais J, de Figueiredo MP, Rocha AR, Mimoso J, De Jesus I, Fernandes R, Guedes J, Mota T, Mendes M, Ferreira J, Tralhão A, Aguiar CT, Strong C, Da Gama FF, Pais G, Timóteo AT, Rosa SAO, Mano T, Reis J, Selas M, Mendes DE, Satendra M, Pinto P, Queirós C, Oliveira I, Reis L, Cruz I, Fernandes R, Torres S, Luz A, Campinas A, Costa R, Frias A, Oliveira M, Martins V, Castilho B, Coelho C, Moura AR, Cotrim N, Dos Santos RC, Custodio P, Duarte R, Gomes R, Matias F, Mendonca C, Neiva J, Rabacal C, Almeida AR, Caeiro D, Queiroz P, Silva G, Pop-Moldovan AL, Darabantiu D, Mercea S, Dan GA, Dan AR, Dobranici M, Popescu RA, Adam C, Sinescu CJ, Andrei CL, Brezeanu R, Samoila N, Baluta MM, Pop D, Tomoaia R, Istratoaie O, Donoiu I, Cojocaru A, Oprita OC, Rocsoreanu A, Grecu M, Ailoaei S, Popescu MI, Cozma A, Babes EE, Rus M, Ardelean A, Larisa R, Moisi M, Ban E, Buzle A, Filimon G, Dobreanu D, Lupu S, Mitre A, Rudzik R, Sus I, Opris D, Somkereki C, Mornos C, Petrescu L, Betiu A, Volcescu A, Ioan O, Luca C, Maximov D, Mosteoru S, Pascalau L, Roman C, Brie D, Crisan S, Erimescu C, Falnita L, Gaita D, Gheorghiu M, Levashov S, Redkina M, Novitskii N, Dementiev E, Baglikov A, Zateyshchikov D, Zubova E, Rogozhina A, Salikov A, Nikitin I, Reznik EV, Komissarova MS, Shebzukhova M, Shitaya K, Stolbova S, Larina V, Akhmatova F, Chuvarayan G, Arefyev MN, Averkov OV, Volkova AL, Sepkhanyan MS, Vecherko VI, Meray I, Babaeva L, Goreva L, Pisaryuk A, Potapov P, Teterina M, Ageev F, Silvestrova G, Fedulaev Y, Pinchuk T, Staroverov I, Kalimullin D, Sukhinina T, Zhukova N, Ryabov V, Kruchinkina E, Vorobeva D, Shevchenko I, Budyak V, Elistratova O, Fetisova E, Islamov R, Ponomareva E, Khalaf H, Shaimaa AA, Kamal W, Alrahimi J, Elshiekh A, Balghith M, Ahmed A, Attia N, Jamiel AA, Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Batlle M, Campos B, Farrero M, Cardona M, González B, Castel MA, Ortiz J, Roig E, Pulgarín MJ, Ramírez J, Bedini JL, Sabaté M, García de Frutos P, Pérez-Villa F. Use of serum levels of high sensitivity troponin T, galectin-3 and C-terminal propeptide of type I procollagen at long term follow-up in heart failure patients with reduced ejection fraction: Comparison with soluble AXL and BNP. Int J Cardiol 2016; 225:113-119. [PMID: 27718443 DOI: 10.1016/j.ijcard.2016.09.079] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 09/21/2016] [Accepted: 09/23/2016] [Indexed: 12/14/2022]
Abstract
BACKGROUND Prognostic biomarkers are needed to improve the management of the heart failure (HF) epidemic, being the brain natriuretic peptides the most valuable. Here we evaluate 3 biomarkers, high sensitivity troponin T (hs-TnT), galectin-3 (Gal-3) and C-terminal propeptide of type I procollagen (CICP), compare them with a recently described new candidate (sAXL), and analyze their relationship with BNP. METHODS HF patients with reduced ejection fraction (n=192) were included in this prospective observational study, with measurements of candidate biomarkers, functional, clinical and echocardiographic variables. A Cox regression model was used to determine predictors for clinical events, i.e. all-cause mortality and heart transplantation. RESULTS Hs-TnT circulating values were correlated to clinical characteristics indicative of more advanced HF. When analyzing the event-free survival at a mean follow-up of 3.6years, patients in the higher quartile of either BNP, hs-TnT, CICP and sAXL had increased risk of suffering a clinical event, but not Gal-3. Combination of high sAXL and BNP values had greater predictive value (HR 6.8) than high BNP alone (HR 4.9). In a multivariate Cox regression analysis, BNP, sAXL and NYHA class were independent risk factors for clinical events. CONCLUSIONS In this HF cohort, hs-TnT is a good HF marker and has a very significant prognostic value. The prognostic value of CICP and sAXL was of less significance. However, hs-TnT did not add predictive value to BNP, while sAXL did. This suggests that elevated troponin has a common origin with BNP, while sAXL could represent an independent pathological mechanism.
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Affiliation(s)
- M Batlle
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain.
| | - B Campos
- Department of Public Health, Universitat de Barcelona, Spain
| | - M Farrero
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Spain
| | - M Cardona
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Spain
| | - B González
- Core Laboratory, Hospital Clínic de Barcelona, Spain
| | - M A Castel
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Spain
| | - J Ortiz
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Spain
| | - E Roig
- Heart Failure Unit at the Cardiology Department, Hospital de la Santa Creu i Sant Pau, Institut de Recerca Biomèdica (IIB Sant Pau), Universitat Autònoma de Barcelona, Spain
| | - M J Pulgarín
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain
| | - J Ramírez
- Pathological Anatomy Department, Hospital Clínic de Barcelona, Spain
| | - J L Bedini
- Core Laboratory, Hospital Clínic de Barcelona, Spain
| | - M Sabaté
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain
| | - P García de Frutos
- Department of Cell Death and Proliferation at Institut d'Investigacions Biomèdiques de Barcelona (IIBB-CSIC) and IDIBAPS, Spain
| | - F Pérez-Villa
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Spain
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Batlle M, Campos B, Farrero M, Cardona M, González B, Castel MA, Ortiz J, Roig E, Pulgarín MJ, Ramírez J, Bedini JL, Sabaté M, de Frutos PG, Pérez-Villa F. Data on clinical characteristics of a heart failure patients' cohort with reduced ejection fraction and analysis of the circulating values of five different heart failure biomarkers; high sensitivity troponin T, galectin-3, C-terminal propeptide of type I procollagen, soluble AXL and BNP. Data Brief 2016; 9:876-882. [PMID: 27872884 PMCID: PMC5109253 DOI: 10.1016/j.dib.2016.10.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Revised: 10/19/2016] [Accepted: 10/25/2016] [Indexed: 11/13/2022] Open
Abstract
In this article, the full description of a heart failure with reduced ejection fraction (HF_REF) cohort of 192 patients is provided. Tables with the baseline demographic, prior history, ECG parameters, echocardiographic parameters, laboratory values and pharmacological treatment of these patients are included. Also, the quartile values of the analyzed circulating biomarkers: high sensitivity Troponin T (hs-TnT), galectin-3 (Gal-3), C-terminal propeptide of type I procollagen (CICP), soluble AXL (sAXL) and Brain Natriuretic Peptide (BNP) are given. The main demographic and clinical features of the patients’ subgroups that have hs-TnT, Gal-3, CICP or BNP above the third quartile are described. Tables with Pearson correlation analysis of the HF_REF patients’ biomarker levels are included. And Pearson correlation analysis of the HF_REF patients’ hs-TnT, Gal-3, CICP levels with patients’ biochemical parameters, blood count and inflammation parameters are also described. These data are related to the research articles (AXL receptor tyrosine kinase is increased in patients with heart failure (M. Batlle, P. Recarte-Pelz, E. Roig, M.A. Castel, M. Cardona, M. Farrero, et al., 2014) [1] and Use of serum levels of high sensitivity troponin T, galectin-3 and C-terminal propeptide of type I procollagen at long term follow-up in Heart Failure patients with reduced ejection fraction: comparison with soluble AXL and BNP (M. Batlle, B. Campos, M. Farrero, M. Cardona, B. González, M.A. Castel, et al., 2016) [2].
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Affiliation(s)
- M Batlle
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain
| | - B Campos
- Department of Public Health, Universitat de Barcelona, Spain
| | - M Farrero
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - M Cardona
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - B González
- Core Laboratory, Hospital Clínic de Barcelona, Spain
| | - M A Castel
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - J Ortiz
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - E Roig
- Heart Failure Unit at the Cardiology Department, Hospital de la Santa Creu i Sant Pau, Institut de Recerca Biomèdica (IIB Sant Pau), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - M J Pulgarín
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain
| | - J Ramírez
- Pathological Anatomy Department, Hospital Clínic de Barcelona, Spain
| | - J L Bedini
- Core Laboratory, Hospital Clínic de Barcelona, Spain
| | - M Sabaté
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) and the Cardiovascular Clinic Institute, Hospital Clínic de Barcelona, Spain
| | - P García de Frutos
- Department of Cell Death and Proliferation at Institut d´Investigacions Biomèdiques de Barcelona (IIBB-CSIC) and IDIBAPS, Barcelona, Spain
| | - F Pérez-Villa
- Heart Failure and Transplant Unit, Cardiovascular Clinic Institute, Hospital Clínic de Barcelona and researcher at Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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Munmany M, Marimon L, Cardona M, Nonell R, Juiz M, Astudillo R, Ordi J, Torné A, Del Pino M. Small lesion size measured by colposcopy may predict absence of cervical intraepithelial neoplasia in a large loop excision of the transformation zone specimen. BJOG 2016; 124:495-502. [PMID: 27506510 DOI: 10.1111/1471-0528.14247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2016] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To evaluate whether colposcopic measurement of the lesion size at diagnosis and/or human papillomavirus (HPV) genotyping can predict the absence of dysplasia in a large loop excision of the transformation zone (LLETZ) specimen in women treated for squamous intraepithelial lesions/cervical intraepithelial neoplasia (SIL/CIN). DESIGN Prospective observational study. SETTING Tertiary university hospital. POPULATION A cohort of 116 women who underwent LLETZ because of biopsy-proven low-grade SIL/CIN that had persisted for 2 years, or because of a high-grade SIL/CIN diagnosed in the referral visit and squamocolumnar junction completely visible (types 1 or 2, according to the International Federation of Cervical Pathology and Colposcopy, IFCPC). METHODS After LLETZ the women were classified by histology into the study group (absence of SIL/CIN in the surgical specimen, 28/116, 24.1%) and the control group (SIL/CIN in the LLETZ specimen, 88/116, 75.9%). MAIN OUTCOME MEASURES The size of the lesion determined in the diagnostic colposcopy and the HPV genotype were evaluated in all women. RESULTS The lesion size was significantly smaller in the study group (25.7 ± 37.8 versus 84.5 ± 81.7 mm2 ; P < 0.001). A lesion size of ≤12 mm2 and HPV types other than 16 or 18 were associated with an absence of SIL/CIN in the LLETZ specimen (P < 0.001 and P = 0.016, respectively). On multivariate analysis only a lesion size of ≤12 mm2 predicted the absence of SIL/CIN (odds ratio, OR 10.6; 95% confidence interval, 95% CI 3.6-30.6; P < 0.001). A lesion size of ≤12 mm2 had a specificity of 90.9% (95% CI 83.0-95.3%) and a negative predictive value of 86.0% (95% CI 77.5-91.6%) to predict the absence of SIL/CIN in the surgical specimen. CONCLUSIONS Small lesion size in diagnostic colposcopy could predict the absence of SIL/CIN in the LLETZ specimen. Colposcopy measurement of lesion size prior to LLETZ may avoid unnecessary treatment. TWEETABLE ABSTRACT Small lesion size in colposcopic evaluation might predict the absence of SIL/CIN in an LLETZ specimen.
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Affiliation(s)
- M Munmany
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - L Marimon
- Department of Pathology, CRESIB (Centre de Recerca en Salut Internacional de Barcelona) - Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - M Cardona
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - R Nonell
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - M Juiz
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - R Astudillo
- Gynaecological Department, MANSO Primary Assistance Centre, Barcelona, Spain
| | - J Ordi
- Department of Pathology, CRESIB (Centre de Recerca en Salut Internacional de Barcelona) - Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - A Torné
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - M Del Pino
- Institute Clinic of Gynaecology, Obstetrics, and Neonatology, Hospital Clínic - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
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Cardona M, López JA, Serafín A, Rongvaux A, Inserte J, García-Dorado D, Flavell R, Llovera M, Cañas X, Vázquez J, Sanchis D. Executioner Caspase-3 and 7 Deficiency Reduces Myocyte Number in the Developing Mouse Heart. PLoS One 2015; 10:e0131411. [PMID: 26121671 PMCID: PMC4487935 DOI: 10.1371/journal.pone.0131411] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 06/01/2015] [Indexed: 01/29/2023] Open
Abstract
Executioner caspase-3 and -7 are proteases promoting cell death but non-apoptotic roles are being discovered. The heart expresses caspases only during development, suggesting they contribute to the organ maturation process. Therefore, we aimed at identifying novel functions of caspases in heart development. We induced simultaneous deletion of executioner caspase-3 and -7 in the mouse myocardium and studied its effects. Caspase knockout hearts are hypoplastic at birth, reaching normal weight progressively through myocyte hypertrophy. To identify the molecular pathways involved in these effects, we used microarray-based transcriptomics and multiplexed quantitative proteomics to compare wild type and executioner caspase-deficient myocardium at different developmental stages. Transcriptomics showed reduced expression of genes promoting DNA replication and cell cycle progression in the neonatal caspase-deficient heart suggesting reduced myocyte proliferation, and expression of non-cardiac isoforms of structural proteins in the adult null myocardium. Proteomics showed reduced abundance of proteins involved in oxidative phosphorylation accompanied by increased abundance of glycolytic enzymes underscoring retarded metabolic maturation of the caspase-null myocardium. Correlation between mRNA expression and protein abundance of relevant genes was confirmed, but transcriptomics and proteomics indentified complementary molecular pathways influenced by caspases in the developing heart. Forced expression of wild type or proteolytically inactive caspases in cultured cardiomyocytes induced expression of genes promoting cell division. The results reveal that executioner caspases can modulate heart’s cellularity and maturation during development, contributing novel information about caspase biology and heart development.
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Affiliation(s)
- Maria Cardona
- Departament de Ciències Mèdiques Bàsiques, Universitat de Lleida–IRBLLEIDA, Av. Rovira Roure, 80, Lleida, 25198, Spain
| | - Juan Antonio López
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro, 3, Madrid, 28029, Spain
| | - Anna Serafín
- PCB-PRBB Animal Facility Alliance-Parc Científic de Barcelona, Baldiri Reixac, 4–6, Torre R, 4ª planta, Barcelona, 08028, Spain
| | - Anthony Rongvaux
- Department of Immunobiology and Howard Hughes Medical Institute, Yale University School of Medicine, 300 Cedar St., New Haven, CT 06520, United States of America
| | - Javier Inserte
- Institut de Recerca Hospital Universitari Vall d’Hebron—UAB, Passeig de la Vall d’Hebron, 119, Barcelona, 08035, Spain
| | - David García-Dorado
- Institut de Recerca Hospital Universitari Vall d’Hebron—UAB, Passeig de la Vall d’Hebron, 119, Barcelona, 08035, Spain
| | - Richard Flavell
- Department of Immunobiology and Howard Hughes Medical Institute, Yale University School of Medicine, 300 Cedar St., New Haven, CT 06520, United States of America
| | - Marta Llovera
- Departament de Ciències Mèdiques Bàsiques, Universitat de Lleida–IRBLLEIDA, Av. Rovira Roure, 80, Lleida, 25198, Spain
| | - Xavier Cañas
- PCB-PRBB Animal Facility Alliance-Parc Científic de Barcelona, Baldiri Reixac, 4–6, Torre R, 4ª planta, Barcelona, 08028, Spain
| | - Jesús Vázquez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro, 3, Madrid, 28029, Spain
| | - Daniel Sanchis
- Departament de Ciències Mèdiques Bàsiques, Universitat de Lleida–IRBLLEIDA, Av. Rovira Roure, 80, Lleida, 25198, Spain
- * E-mail:
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Castel M, Cartaña R, Cardona M, Pereda D, Sandoval E, Castella M, Farrero M, Pérez-Villa F. Outcomes After Heart Transplantation of Patients Bridged to Transplant With Short Term Assist Device Support. J Heart Lung Transplant 2015. [DOI: 10.1016/j.healun.2015.01.530] [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: 10/23/2022] Open
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8
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Hoyo I, Sanclemente G, de la Bellacasa JP, Cofán F, Ricart M, Cardona M, Colmenero J, Fernández J, Escorsell A, Navasa M, Moreno A, Cervera C. Epidemiology, clinical characteristics, and outcome of invasive aspergillosis in renal transplant patients. Transpl Infect Dis 2014; 16:951-957. [DOI: 10.1111/tid.12301] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Affiliation(s)
- I. Hoyo
- Department of Infectious Diseases; Hospital Clinic of Barcelona - Institut d'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - University of Barcelona; Barcelona Spain
| | - G. Sanclemente
- Department of Infectious Diseases; Hospital Clinic of Barcelona - Institut d'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - University of Barcelona; Barcelona Spain
| | - J. Puig de la Bellacasa
- Microbiology, “Centre Diagnòstic Biomèdic” (CDB); Centre for International Health Research (CRESIB); Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - F. Cofán
- Renal Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - M.J. Ricart
- Renal Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - M. Cardona
- Heart Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - J. Colmenero
- Liver Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - J. Fernández
- Liver Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - A. Escorsell
- Liver Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - M. Navasa
- Liver Transplant Unit; Hospital Clinic of Barcelona - IDIBAPS - University of Barcelona; Barcelona Spain
| | - A. Moreno
- Department of Infectious Diseases; Hospital Clinic of Barcelona - Institut d'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - University of Barcelona; Barcelona Spain
| | - C. Cervera
- Department of Infectious Diseases; Hospital Clinic of Barcelona - Institut d'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - University of Barcelona; Barcelona Spain
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9
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Baliu C, Sanclemente G, Cardona M, Castel MA, Perez-Villa F, Moreno A, Cervera C. Toxoplasmic encephalitis associated with meningitis in a heart transplant recipient. Transpl Infect Dis 2014; 16:631-3. [PMID: 24903646 DOI: 10.1111/tid.12242] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [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: 10/28/2013] [Revised: 02/07/2014] [Accepted: 02/18/2014] [Indexed: 11/27/2022]
Abstract
Toxoplasma gondii is an opportunistic pathogen that causes neurologic and extraneurologic manifestations in immunosuppressed patients. Encephalitis and intracranial mass lesions are easily recognized as typical manifestations of toxoplasmosis. However, meningitis caused by T. gondii is a rare condition with very few cases described in the literature. We present the case of a heart transplant recipient who developed toxoplasmic encephalitis associated with meningitis. After an extensive review of the medical literature, we found only 1 case of meningitis in solid organ transplant recipients and <25 cases in immunosuppressed patients, such as patients infected with human immunodeficiency virus or those with Hodgkin's disease. In this report, we consider toxoplasmosis in the differential diagnosis of meningitis in immunocompromised individuals.
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Affiliation(s)
- C Baliu
- Department of Infectious Diseases, Hospital Clinic de Barcelona - University of Barcelona, Barcelona, Spain
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10
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Batlle M, Recarte-Pelz P, Roig E, Castel MA, Cardona M, Farrero M, Ortiz JT, Campos B, Pulgarín MJ, Ramírez J, Pérez-Villa F, García de Frutos P. AXL receptor tyrosine kinase is increased in patients with heart failure. Int J Cardiol 2014; 173:402-9. [PMID: 24681018 DOI: 10.1016/j.ijcard.2014.03.016] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Revised: 02/01/2014] [Accepted: 03/09/2014] [Indexed: 12/14/2022]
Abstract
BACKGROUND AXL is a membrane receptor tyrosine kinase highly expressed in the heart and has a conspicuous role in cardiovascular physiology. The role of AXL in heart failure (HF) has not been previously addressed. METHODS AND RESULTS AXL protein was enhanced 6-fold in myocardial biopsies of end-stage HF patients undergoing heart transplantation compared to controls from heart donors (P<0.0001). Next, we performed a transversal study of patients with chronic HF (n=192) and a group of controls with no HF (n=67). sAXL and BNP circulating levels were quantified and clinical and demographic data were collected. sAXL levels in serum were higher in HF (86.3 ± 2.0 ng/mL) than in controls (67.8 ± 2.0 ng/mL; P<0.0001). Also, sAXL correlated with several parameters associated with worse prognosis in HF. Linear regression analysis indicated that serum creatinine, systolic blood pressure and atrial fibrillation, but not BNP levels, were predictive of sAXL levels. Cox regression analysis indicated that high sAXL values at enrollment time were related to the major HF events (all-cause mortality, heart transplantation and HF hospitalizations) at one year follow-up (P<0.001), adding predictive value to high BNP levels. CONCLUSIONS Myocardial expression and serum concentration of AXL is elevated in HF patients compared to controls. Furthermore, peripheral sAXL correlates with parameters associated with the progression of HF and with HF events at short term follow-up. All together these results suggest that sAXL could belong to a new molecular pathway involved in myocardial damage in HF, independent from BNP.
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Affiliation(s)
- M Batlle
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain.
| | - P Recarte-Pelz
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Department of Cell Death and Proliferation at Institut d'Investigacions Biomèdiques de Barcelona (IIBB-CSIC), Spain
| | - E Roig
- Cardiology Department, Hospital de la Santa Creu i Sant Pau, Institut de Recerca Biomèdica (IIB Sant Pau), Universitat Autònoma de Barcelona, Spain
| | - M A Castel
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - M Cardona
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - M Farrero
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - J T Ortiz
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - B Campos
- Department of Public Health, Universitat de Barcelona, Spain
| | - M J Pulgarín
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - J Ramírez
- Pathological Anatomy Department, Hospital Clínic de Barcelona, Barcelona, Spain
| | - F Pérez-Villa
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Thorax Institute, Cardiology Department, Hospital Clínic de Barcelona, Spain
| | - P García de Frutos
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS), Spain; Department of Cell Death and Proliferation at Institut d'Investigacions Biomèdiques de Barcelona (IIBB-CSIC), Spain
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11
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Skovgaard PA, Thygesen LG, Jørgensen H, Cardona M, Tozzi E, McCarthy M, Siika-Aho M, Jeoh T. The role of endoglucanase and endoxylanase in liquefaction of hydrothermally pretreated wheat straw. Biotechnol Prog 2014; 30:923-31. [PMID: 24610675 DOI: 10.1002/btpr.1893] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 01/18/2014] [Indexed: 11/12/2022]
Abstract
The role of endocellulases and endoxylanase during liquefaction and saccharification of hydrothermally pretreated wheat straw was studied. The use of a flow-loop setup with in-line magnetic resonance imaging enabled frequent measurements of viscosity at 55°C during saccharification at 6% total solids content. Viscosity data were complemented with off-line measurements of fiber lengths and release of soluble sugars. A clear correlation between fiber attrition and a decrease in viscosity was found. Fiber lengths and viscosity dropped quickly within the first hour and then stagnated, while sugar yields increased substantially thereafter, illustrating that liquefaction and saccharification are separate mechanisms. Both endoglucanase and endoxylanase were shown to have a significant effect on viscosity during liquefaction while the addition of endoxylanase also increased sugar yield.
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12
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Tozzi EJ, McCarthy MJ, Lavenson DM, Cardona M, Powell ARL, Karuna N, Jeoh T. Effect of fiber structure on yield stress during enzymatic conversion of cellulose. AIChE J 2014. [DOI: 10.1002/aic.14374] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Emilio J. Tozzi
- Dept. of Food Science and Technology; University of California, Davis; Davis CA 95616
| | - Michael J. McCarthy
- Dept. of Food Science and Technology; University of California, Davis; Davis CA 95616
| | - David M. Lavenson
- Dept. of Chemical Engineering and Materials Science; University of California, Davis; Davis CA 95616
| | - Maria Cardona
- Dept. of Chemical Engineering and Materials Science; University of California, Davis; Davis CA 95616
| | - and Robert L. Powell
- Dept. of Chemical Engineering and Materials Science; University of California, Davis; Davis CA 95616
| | - Nardrapee Karuna
- Dept. of Biological and Agricultural Engineering; University of California, Davis; Davis CA 95616
| | - Tina Jeoh
- Dept. of Biological and Agricultural Engineering; University of California, Davis; Davis CA 95616
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Fernández-Rodríguez D, Brugaletta S, Cardona M, Sabaté M. [Percutaneous ventricular restoration with Parachute]. Rev Clin Esp 2013; 214:56-7. [PMID: 24290251 DOI: 10.1016/j.rce.2013.10.012] [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] [Received: 10/20/2013] [Accepted: 10/27/2013] [Indexed: 11/25/2022]
Affiliation(s)
- D Fernández-Rodríguez
- Servicio de Cardiología, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España
| | - S Brugaletta
- Servicio de Cardiología, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España
| | - M Cardona
- Servicio de Cardiología, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España
| | - M Sabaté
- Servicio de Cardiología, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España.
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Ye J, Llorian M, Cardona M, Rongvaux A, Moubarak RS, Comella JX, Bassel-Duby R, Flavell RA, Olson EN, Smith CWJ, Sanchis D. A pathway involving HDAC5, cFLIP and caspases regulates expression of the splicing regulator polypyrimidine tract binding protein in the heart. J Cell Sci 2013; 126:1682-91. [PMID: 23424201 DOI: 10.1242/jcs.121384] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [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: 01/07/2023] Open
Abstract
Polypyrimidine tract binding protein (PTB) regulates pre-mRNA splicing, having special relevance for determining gene expression in the differentiating muscle. We have previously shown that PTB protein abundance is progressively reduced during heart development without reduction of its own transcript. Simultaneous reduction of histone deacetylase (HDAC) expression prompted us to investigate the potential link between these events. HDAC5-deficient mice have reduced cardiac PTB protein abundance, and HDAC inhibition in myocytes causes a reduction in endogenous expression of cellular FLICE-like inhibitory protein (cFLIP) and caspase-dependent cleavage of PTB. In agreement with this, cardiac PTB expression is abnormally high in mice with cardiac-specific executioner caspase deficiency, and cFLIP overexpression prevents PTB cleavage in vitro. Caspase-dependent cleavage triggers further fragmentation of PTB, and these fragments accumulate in the presence of proteasome inhibitors. Experimental modification of the above processes in vivo and in vitro results in coherent changes in the alternative splicing of genes encoding tropomyosin-1 (TPM1), tropomyosin-2 (TPM2) and myocyte enhancer factor-2 (MEF2). Thus, we report a pathway connecting HDAC, cFLIP and caspases regulating the progressive disappearance of PTB, which enables the expression of the adult variants of proteins involved in the regulation of contraction and transcription during cardiac muscle development.
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Affiliation(s)
- Junmei Ye
- Departament de Ciències Mèdiques Bàsiques, Universitat de Lleida - IRBLLEIDA, Av Rovira Roure, 80, Lleida, 25198 Spain
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Torné A, Fusté P, Rodríguez-Carunchio L, Alonso I, del Pino M, Nonell R, Cardona M, Rodríguez A, Castillo P, Pahisa J, Balasch J, Ramírez J, Ordi J. Intraoperative post-conisation human papillomavirus testing for early detection of treatment failure in patients with cervical intraepithelial neoplasia: a pilot study. BJOG 2012. [DOI: 10.1111/1471-0528.12072] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A Torné
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - P Fusté
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - L Rodríguez-Carunchio
- Department of Pathology; Centre de Recerca en Salut Internacional de Barcelona (CRESIB); Hospital Clínic; Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - I Alonso
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - M del Pino
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - R Nonell
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - M Cardona
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - A Rodríguez
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - P Castillo
- Department of Pathology; Centre de Recerca en Salut Internacional de Barcelona (CRESIB); Hospital Clínic; Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - J Pahisa
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - J Balasch
- Institut Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - J Ramírez
- Department of Pathology; Centre de Recerca en Salut Internacional de Barcelona (CRESIB); Hospital Clínic; Faculty of Medicine; University of Barcelona; Barcelona; Spain
| | - J Ordi
- Department of Pathology; Centre de Recerca en Salut Internacional de Barcelona (CRESIB); Hospital Clínic; Faculty of Medicine; University of Barcelona; Barcelona; Spain
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Castel M, Cartañá R, Cardona M, Pereda D, Hernández M, Sandoval E, Castella M, Pérez-Villa F. Long-term Outcome of High-urgency Heart Transplant Patients With and Without Temporary Ventricular Assist Device Support. Transplant Proc 2012; 44:2642-4. [DOI: 10.1016/j.transproceed.2012.09.107] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ye J, Cardona M, Llovera M, Comella JX, Sanchis D. Translation of Myocyte Enhancer Factor-2 is induced by hypertrophic stimuli in cardiomyocytes through a Calcineurin-dependent pathway. J Mol Cell Cardiol 2012; 53:578-87. [DOI: 10.1016/j.yjmcc.2012.07.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 07/18/2012] [Accepted: 07/19/2012] [Indexed: 10/28/2022]
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Sandoval E, Castel M, Cartañá R, Pérez-Villa F, Castellà M, Cardona M, Pomar J, Quintana E, Pereda D. 328. Resultados del trasplante cardíaco en código 0 con y sin dispositivo de asistencia ventricular. Cirugía Cardiovascular 2012. [DOI: 10.1016/s1134-0096(12)70553-3] [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] Open
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Tatjer I, Farrero M, Cardona M, Penela D, Castel A, Perez-Villa F. 131 Effects of Bosentan in Patients Considered Ineligible for Heart Transplantation Because of Severe Pulmonary Hypertension. J Heart Lung Transplant 2012. [DOI: 10.1016/j.healun.2012.01.135] [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: 10/28/2022] Open
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Castel MA, Farrero M, Vallejos I, Cardona M, Regueiro A, Pérez-Villa F. Primary immunosuppression and outcome differences after heart transplantation: tacrolimus versus cyclosporine. Transplant Proc 2012; 43:2244-6. [PMID: 21839245 DOI: 10.1016/j.transproceed.2011.06.054] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The superiority of tacrolimus (Tac) as primary immunosuppression for heart transplantation (HT) compared with cyclosporine (CsA) is still under debate. Outcomes of comparison studies are not consistent; the duration of these studies has been limited. The aim of this study was to evaluate long-term outcomes of patients undergoing HT based on primary immunosuppression regime. METHODS AND RESULTS We analyzed a single-center registry of all HT patients between 1998 and 2009, comparing outcomes based on primary immunosuppressions (Tac or CsA). Patients who died before starting immunosuppression were excluded. A total of 197 patients entered the study; 103 received Tac and 94 CsA. There were no differences between groups in baseline characteristics, United Network for Organ Sharing status 1A or ventricular assist device use, except for ischemia time (195 ± 50 min in Tac group vs 182 ± 55 min in CsA; P = .08) and days on waiting list (164 ± 155 vs 100 ± 73; P < .001). After mean follow-ups of 4.5 ± 2.3 years in the Tac group and 6.3 ± 4.3 years in the CsA group, there were 19 and 36 deaths, respectively. Kaplan-Meier analysis showed increased survival for the Tac group (log rank P = .04). Tac also was significantly superior to CsA regarding mortality (relative risk 0.55; 95% confidence interval, 0.31-0.98; P = .04). CONCLUSIONS In our series the use of tacrolimus resulted in improved long-term survival compared with cyclosporine. At 1-year follow-up, there were no differences in acute rejection episodes or the appearance of vasculopathy.
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Affiliation(s)
- M A Castel
- Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer, University of Barcelona, Barcelona, Spain
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Gong L, Ye Z, Zeng Z, Xia M, Zhong Y, Yao Y, Lee E, Ionescu A, Dwivedi G, Mahadevan G, Jiminez D, Frenneaux M, Steeds R, Moore C, Samad Z, Jackson K, Castellucci J, Kisslo J, Von Ramm O, D'ascenzi F, Zaca' V, Cameli M, Lisi M, Natali B, Malandrino A, Mondillo S, Barbier P, Guerrini U, Franzosi M, Castiglioni L, Nobili E, Colazzo F, Li Causi T, Sironi L, Tremoli E, Clausen H, Macdonald S, Basaggianis C, Newton J, Cameli M, Lisi M, Bennati E, Reccia R, Malandrino A, Bigio E, Maccherini M, Chiavarelli M, Henein M, Mondillo S, Floria M, Jamart J, Arsenescu Georgescu C, Mantovani F, Barbieri A, Bursi F, Valenti C, Quaglia M, Modena M, Kutty S, Gribben P, Padiyath A, Polak A, Scott C, Waiss M, Danford D, Bech-Hanssen O, Selimovic N, Rundqvist B, Schmiedel L, Hohmann C, Katzke S, Haacke K, Rauwolf T, Strasser R, Tumasyan LR, Adamyan K, Kosmala W, Derzhko R, Przewlocka-Kosmala M, Mysiak A, Stachowska B, Jedrzejuk D, Bednarek-Tupikowska G, Chrzanowski L, Kasprzak J, Wojciechowska C, Wita K, Busz-Papiez B, Gasior Z, Mizia-Stec K, Kukulski T, Gosciniak P, Sinkiewicz W, Moelmen H, Stoylen A, Thorstensen A, Torp H, Dalen H, Groves A, Nicholson G, Lopez L, Goh CW, Ahn H, Byun Y, Kim J, Park J, Lee J, Park J, Kim B, Rhee K, Kim K, Park J, Yoon H, Hong Y, Park H, Kim J, Ahn Y, Jeong M, Cho J, Kang J, Grapsa J, Dawson D, Karfopoulos K, Jakaj G, Punjabi P, Nihoyannopoulos P, Ruisanchez Villar C, Lerena Saenz P, Gonzalez Vilchez F, Gonzalez Fernandez C, Zurbano Goni F, Cifrian Martinez J, Mons Lera R, Ruano Calvo J, Martin Duran R, Vazquez De Prada Tiffe J, Pietrzak R, Werner B, Voillot D, Huttin O, Zinzius P, Schwartz J, Sellal J, Lemoine S, Christophe C, Popovic B, Juilliere Y, Selton-Suty C, Ishii K, Furukawa A, Nagai T, Kataoka K, Seino Y, Shimada K, Yoshikawa J, Tekkesin A, Yildirimturk O, Tayyareci Y, Yurdakul S, Aytekin S, Jaroch J, Loboz-Grudzien K, Bociaga Z, Kowalska A, Kruszynska E, Wilczynska M, Dudek K, Kakihara R, Naruse C, Hironaka H, Tsuzuku T, Cucchini U, Muraru D, Badano L, Solda' E, Tuveri M, Al Nono O, Sarais C, Iliceto S, Santos L, Cortez-Dias N, Ribeiro S, Goncalves S, Jorge C, Carrilho-Ferreira P, Silva D, Silva-Marques J, Lopes M, Diogo A, Hristova K, Vassilev D, Pavlov P, Katova T, Simova I, Kostova V, Esposito R, Santoro A, Schiano Lomoriello V, Raia R, De Palma D, Dores E, De Simone G, Galderisi M, Zaborska B, Makowska E, Pilichowska E, Maciejewski P, Bednarz B, Wasek W, Stec S, Budaj A, Spinelli L, Morisco C, Assante Di Panzillo E, Crispo S, Di Marino S, Trimarco B, Santoro A, Schiano Lomoriello V, Esposito R, Farina F, Innelli P, Rapacciuolo A, Galderisi M, Polgar B, Banyai F, Rokusz L, Tomcsanyi I, Vaszily M, Nieszner E, Borsanyi T, Kerecsen G, Preda I, Kiss RG, Bull S, Suttie J, Augustine D, Francis J, Karamitsos T, Becher H, Prendergast B, Neubauer S, Myerson S, Lodge F, Broyd C, Milton P, Mikhail G, Mayet J, Davies J, Francis D, Clavel MA, Ennezat PV, Marechaux S, Dumesnil J, Bellouin A, Bergeron S, Meimoun P, Le Tourneau T, Pasquet A, Pibarot P, Herrmann S, Stoerk S, Niemann M, Hu K, Voelker W, Ertl G, Weidemann F, Tayyareci Y, Yurdakul S, Yildirimturk O, Aytekin V, Aytekin S, Kogoj P, Ambrozic J, Bunc M, Di Salvo G, Rea A, Castaldi B, Gala S, D'aiello A, Mormile A, Pisacane F, Pacileo G, Russo M, Calabro R, Nguyen L, Ricksten SE, Jeppsson A, Schersten H, Bech-Hanssen O, Boerlage-Van Dijk K, Yong Z, Bouma B, Koch K, Vis M, Piek J, Baan J, Scandura S, Ussia G, Caggegi A, Cammalleri V, Sarkar K, Mangiafico S, Chiaranda' M, Imme' S, Pistritto A, Tamburino C, Ring L, Nair S, Wells F, Shapiro L, Rusk R, Rana B, Madrid Marcano G, Solis Martin J, Gonzalez Mansilla A, Bravo L, Menarguez Palanca C, Munoz P, Bouza E, Yotti R, Bermejo Thomas J, Fernandez Aviles F, Tamayo T, Denes M, Balint O, Csepregi A, Csillik A, Erdei T, Temesvari A, Fernandez-Pastor J, Linde-Estrella A, Cabrera-Bueno F, Pena-Hernandez J, Barrera-Cordero A, Alzueta-Rodriguez F, De Teresa-Galvan E, Merlo M, Pinamonti M, Finocchiaro G, Pyxaras S, Barbati G, Buiatti A, Dilenarda A, Sinagra G, Kuperstein R, Freimark D, Hirsch S, Feinberg M, Arad M, Mitroi C, Garcia Lunar I, Monivas Palomero V, Mingo Santos S, Beltran Correas P, Gonzalez Lopez E, Garcia Pavia P, Gonzalez Mirelis J, Cavero Gibanel M, Alonso Pulpon L, Finocchiaro G, Pinamonti B, Merlo M, Barbati G, Dilenarda A, Sinagra G, Zaidi A, Ghani S, Sheikh N, Gati S, Howes R, Sharma R, Sharma S, Calcagnino M, O'mahony C, Coats C, Cardona M, Garcia A, Murphy E, Lachmann R, Mehta A, Hughes D, Elliott P, Di Bella G, Madaffari A, Donato R, Mazzeo A, Casale M, Zito C, Vita G, Carerj S, Marek D, Indrakova J, Rusinakova Z, Skala T, Kocianova E, Taborsky M, Musca F, De Chiara B, Belli O, Cataldo S, Brunati C, Colussi G, Quattrocchi G, Santambrogio G, Spano F, Moreo A, Rustad L, Nytroen K, Gullestad L, Amundsen B, Aakhus S, Maroz-Vadalazhskaya N, Shumavetc V, Kurganovich S, Seljun Y, Ostrovskiy A, Ostrovskiy Y, Rustad L, Nytroen K, Segers P, Amundsen B, Aakhus S, Przewlocka-Kosmala M, Orda A, Karolko B, Mysiak A, Driessen MMP, Eising JB, Uiterwaal C, Van Der Ent CK, Meijboom FJ, Shang Q, Tam L, Sun J, Sanderson J, Zhang Q, Li E, Yu C, Arroyo Ucar E, De La Rosa Hernandez A, Hernandez Garcia C, Jorge Perez P, Lacalzada Almeida J, Jimenez Rivera J, Duque Garcia A, Barragan Acea A, Laynez Cerdena I, Kaldararova M, Simkova I, Pacak J, Tittel P, Masura J, Tadic M, Ivanovic B, Zlatanovic M, Damjanov N, Maggiolini S, Gentile G, Bozzano A, Suraci S, Meles E, Carbone C, Tempesta A, Malafronte C, Piatti L, Achilli F, Luijendijk P, Stevens A, De Bruin-Bon H, Vriend J, Van Den Brink R, Vliegen H, Mulder B, Bouma B, Chow V, Ng A, Chung T, Kritharides L, Iancu M, Serban M, Craciunescu I, Hodo A, Ghiorghiu I, Popescu B, Ginghina C, Styczynski G, Szmigielski CA, Kaczynska A, Leszczynski J, Rosinski G, Kuch-Wocial A, Slavich M, Ancona M, Fisicaro A, Oppizzi M, Marone E, Bertoglio L, Melissano G, Margonato A, Chiesa R, Agricola E, Zito C, Mohammed M, Cusma-Piccione M, Piluso S, Arcidiaco S, Nava R, Giuffre R, Ciraci L, Ferro M, Carerj S, Uusitalo V, Luotolahti M, Pietila M, Wendelin-Saarenhovi M, Hartiala J, Saraste M, Knuuti J, Saraste A, Kochanowski J, Scislo P, Piatkowski R, Grabowski M, Marchel M, Roik M, Kosior D, Opolski G, Bartko PE, Graf S, Khorsand A, Rosenhek R, Burwash I, Beanlands R, Clavel MA, Baumgartner H, Pibarot P, Mundigler G, Kudrnova S, Apor A, Huttl H, Kudrnova S, Apor A, Huttl H, Mori F, Santoro G, Oddo A, Rosso G, Meucci F, Pieri F, Squillantini G, Gensini G, Scislo P, Kochanowski J, Piatkowski R, Roik M, Postula M, Opolski G, Park DG, Hong JY, Kim SE, Lee JH, Han KR, Oh DJ, Muraru D, Dal Bianco L, Beraldo M, Solda' E, Cucchini U, Peluso D, Tuveri M, Al Mamary A, Badano L, Iliceto S, Aggeli C, Felekos I, Poulidakis E, Pietri P, Roussakis G, Siasos G, Stefanadis C, Furukawa A, Hoshiba H, Miyasaka C, Sato H, Nagai T, Yamanaka A, Kataoka K, Seino Y, Ishii K, Lilli A, Baratto M, Magnacca M, Comella A, Poddighe R, Talini E, Canale M, Chioccioli M, Del Meglio J, Casolo G, Kuznetsov VA, Melnikov NN, Krinochkin DV, Calin A, Enache R, Popescu B, Beladan C, Rosca M, Lupascu L, Purcarea F, Calin C, Gurzun M, Ginghina C, Dulgheru R, Ciobanu A, Magda S, Mihaila S, Rimbas R, Margulescu A, Cinteza M, Vinereanu D, Sumin AN, Arhipov O, Yoon J, Moon J, Rim S, Nyktari E, Patrianakos A, Solidakis G, Psathakis E, Parthenakis F, Vardas P, Kordybach M, Kowalski M, Kowalik E, Hoffman P, Nagy KV, Kutyifa V, Edes E, Apor A, Merkely B, Gerlach A, Rost C, Schmid M, Rost M, Flachskampf F, Daniel W, Breithardt O, Altekin E, Karakas S, Yanikoglu A, Er A, Baktir A, Demir I, Deger N, Klitsie L, Hazekamp M, Roest A, Van Der Hulst A, Gesink- Van Der Veer B, Kuipers I, Blom N, Ten Harkel A, Farsalinos K, Tsiapras D, Kyrzopoulos S, Avramidou E, Vasilopoulou D, Voudris V, Werner B, Florianczyk T, Ivanovic B, Tadic M, Kalinowski M, Szulik M, Streb W, Rybus-Kalinowska B, Sliwinska A, Stabryla J, Kukla M, Nowak J, Kukulski T, Kalarus Z, Florescu M, Mihalcea D, Magda L, Suran B, Enescu O, Mincu R, Cinteza M, Vinereanu D, Salerno G, Scognamiglio G, D'andrea A, Dinardo G, Gravino R, Sarubbi B, Disalvo G, Pacileo G, Russo M, Calabro R, Liao JN, Sung S, Chen C, Park S, Shin S, Kim M, Shim S, Yildirimturk O, Helvacioglu F, Ulusoy O, Duran C, Tayyareci Y, Yurdakul S, Aytekin S, Kirschner R, Simor T, Moreo A, Ambrosio G, De Chiara B, Tran T, Raman S, Vidal Perez RC, Carreras F, Leta R, Pujadas S, Barros A, Hidalgo A, Alomar X, Pons-Llado G, Olofsson M, Boman K, Ledakowicz-Polak A, Polak L, Zielinska M, Fontana A, Schirone V, Mauro A, Zambon A, Giannattasio C, Trocino G, Dekleva M, Dungen H, Inkrot S, Gelbrich G, Suzic Lazic J, Kleut M, Markovic Nikolic N, Waagstein F, Khoor S, Balogh N, Simon I, Fugedi K, Kovacs I, Khoor M, Florian G, Kocsis A, Szuszai T, O'driscoll J, Saha A, Smith R, Gupta S, Sharma R, Lenkey Z, Gaszner B, Illyes M, Sarszegi Z, Horvath IG, Magyari B, Molnar F, Cziraki A, Elnoamany MF, Badran H, Ebraheem H, Reda A, Elsheekh N. Poster Session 5: Saturday 10 December 2011, 08:30-12:30 * Location: Poster Area. European Journal of Echocardiography 2011. [DOI: 10.1093/ejechocard/jer218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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McDermott-Roe C, Ye J, Ahmed R, Sun XM, Serafín A, Ware J, Bottolo L, Muckett P, Cañas X, Zhang J, Rowe GC, Buchan R, Lu H, Braithwaite A, Mancini M, Hauton D, Martí R, García-Arumí E, Hubner N, Jacob H, Serikawa T, Zidek V, Papousek F, Kolar F, Cardona M, Ruiz-Meana M, García-Dorado D, Comella JX, Felkin LE, Barton PJR, Arany Z, Pravenec M, Petretto E, Sanchis D, Cook SA. Endonuclease G is a novel determinant of cardiac hypertrophy and mitochondrial function. Nature 2011; 478:114-8. [PMID: 21979051 PMCID: PMC3189541 DOI: 10.1038/nature10490] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2011] [Accepted: 08/17/2011] [Indexed: 12/31/2022]
Abstract
Left ventricular mass (LVM) is a highly heritable trait and an independent risk factor for all-cause mortality. So far, genome-wide association studies have not identified the genetic factors that underlie LVM variation, and the regulatory mechanisms for blood-pressure-independent cardiac hypertrophy remain poorly understood. Unbiased systems genetics approaches in the rat now provide a powerful complementary tool to genome-wide association studies, and we applied integrative genomics to dissect a highly replicated, blood-pressure-independent LVM locus on rat chromosome 3p. Here we identified endonuclease G (Endog), which previously was implicated in apoptosis but not hypertrophy, as the gene at the locus, and we found a loss-of-function mutation in Endog that is associated with increased LVM and impaired cardiac function. Inhibition of Endog in cultured cardiomyocytes resulted in an increase in cell size and hypertrophic biomarkers in the absence of pro-hypertrophic stimulation. Genome-wide network analysis unexpectedly implicated ENDOG in fundamental mitochondrial processes that are unrelated to apoptosis. We showed direct regulation of ENDOG by ERR-α and PGC1α (which are master regulators of mitochondrial and cardiac function), interaction of ENDOG with the mitochondrial genome and ENDOG-mediated regulation of mitochondrial mass. At baseline, the Endog-deleted mouse heart had depleted mitochondria, mitochondrial dysfunction and elevated levels of reactive oxygen species, which were associated with enlarged and steatotic cardiomyocytes. Our study has further established the link between mitochondrial dysfunction, reactive oxygen species and heart disease and has uncovered a role for Endog in maladaptive cardiac hypertrophy.
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Affiliation(s)
- Chris McDermott-Roe
- Medical Research Council Clinical Sciences Centre, Faculty of Medicine, Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 ONN, UK
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O'Mahony C, Coats C, Cardona M, Garcia A, Calcagnino M, Murphy E, Lachmann R, Mehta A, Hughes D, Elliott PM. Incidence and predictors of anti-bradycardia pacing in patients with Anderson-Fabry disease. Europace 2011; 13:1781-8. [DOI: 10.1093/europace/eur267] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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Kuo KL, Hung SC, Tarng DC, Selim G, Stojceva-Taneva O, Tozija L, Gelev S, Stojcev N, Dzekova P, Trajcevska L, Severova G, Pavleska S, Sikole A, Combe C, Thumma J, Gillespie B, De Sequera P, Yamamoto H, Robinson B, Matsushita Y, Tasaki H, Tohara Y, Yamauchi E, Matsuoka K, Arizono K, Bellasi A, Ferramosca E, Ratti C, Block G, Raggi P, Drozdz M, Krasniak A, Chmiel G, Podolec P, Pasowicz M, Tracz W, Kowalczyk-Michalek M, Sulowicz W, Kalantzi K, Korantzopoulos P, Bechlioulis A, Vlachopanou A, Foulidis V, Pagiati E, Nikolopoulos P, Gouva C, Arroyave I, Rodelo J, Cardona M, Garcia A, Henao J, Mejia G, Rico J, Arbelaez M, Fujimori A, Okada S, Yamamoto K, Okamoto S, Kamiura N, Sakai M, Tanikake M, Kutlay S, Sengul S, Keven K, Nergizoglu G, Erturk S, Ates K, Duman N, Karatan O, Erbay B, Sameiro-Faria M, Costa E, Rocha-Pereira P, Borges A, Nascimento H, Mendonca D, Amado L, Reis F, Miranda V, Quintanilha A, Belo L, Santos-Silva A, Oh JS, Kim SM, Sin YH, Kim JK, Ishihara M, Otsubo S, Kimata N, Akiba T, Nitta K, Kim KM, Baek CH, Kim SB, Testa A, Sanguedolce MC, Spoto B, Mallamaci F, Malatino L, Tripepi G, Zoccali C, Lee JE, Moon SJ, Kim JK, An HR, Ha SK, Pakr HC, Bahlmann FH, Becker E, Sperber V, Triem S, Noll C, Zewinger S, Fliser D, Laufs U, Thijssen S, Usvyat LA, Raimann JG, Balter P, Kotanko P, Levin NW, Hornum M, Bay JT, Clausen P, Melchior Hansen J, Mathiesen ER, Feldt-Rasmussen B, Garred P, Sural S, Panja CS, Bhattacharya SK, Cernaro V, Lacquaniti A, Lorenzano G, Romeo A, Donato V, Buemi M, Raimann JG, Usvyat L, Thijssen S, Rogus J, Lacson E, Kotanko P, Levin NW, Robinson BM, Karaboyas A, Sen A, Hecking M, Mendelssohn D, Jadoul M, Kawanishi H, Saran R, Kolarz M, Undas A, Wyroslak J, Malyszko J, Klejna K, Naumnik B, Koc-Zurawska E, Mysliwiec M, Piecha G, Kuczera P, Adamczak M, Fedorova OV, Bagrov AY, Wiecek A, Gungor O, Kircelli F, Asci G, Carrero JJ, Tatar E, Demirci M, Toz H, Ozkahya M, Ok E, Bansal V, Shareain K, Hoppensteadt D, Litinas E, Fareed J, Kim MJ, Lee SW, Song JH, Kweon J, Kim WH, Sasaki K, Yasuda K, Hatanaka M, Hayashi T, Katsipi I, Tatsiopoulos A, Papanikolaou P, Doulgerakis C, Kollia K, Kardouli E, Asmanis E, Gennadiou M, Kyriazis J, Panizo S, Barrio-Vazquez S, Carrillo-Lopez N, Fernandez-Vazquez A, Braga S, Rodriguez-Rebollar A, Naves-Diaz M, Cannata-Andia JB, Nikodimopoulou M, Liakos S, Kapoulas S. Cardiovascular complications in CKD 5D (1). Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.38] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Fabbri GMT, Baldasseroni S, Panuccio D, Zoni Berisso M, Scherillo M, Lucci D, Di Pasquale G, Mathieu G, Burazor I, Burazor M, Perisic Z, Atanaskovic V, Erakovic V, Stojkovic A, Vogtmann T, Schoebel C, Sogorski S, Sebert M, Schaarschmidt J, Fietze I, Baumann G, Penzel T, Mornos C, Ionac A, Cozma D, Dragulescu D, Mornos A, Petrescu L, Pescariu L, Brembilla-Perrot B, Khachab H, Lamberti F, Bellini C, Remoli R, Cogliandro T, Nardo R, Bellusci F, Mazzuca V, Gaspardone A, Aguinaga Arrascue LE, Bravo A, Garcia Freire P, Gallardo P, Hasbani E, Quintana R, Dantur J, Inoue K, Ueoka A, Tsubakimoto Y, Sakatani T, Matsuo A, Fujita H, Kitamura M, Wegrzynowska M, Konduracka E, Pietrucha AZ, Mroczek-Czernecka D, Paradowski A, Bzukala I, Nessler J, Igawa O, Adachi M, Atarashi H, Kusama Y, Kodani E, Okazaki R, Nakagomi A, Endoh Y, Baez-Escudero JL, Dave AS, Sasaridis CM, Valderrabano M, Tilz R, Bai R, Di Biase L, Gallinghouse GJ, Gibson D, Pisapia A, Wazni O, Natale A, Arujuna A, Karim R, Rinaldi A, Cooklin M, Rhode K, Razavi R, O'neill M, Gill J, Kusa S, Komatsu Y, Kakita K, Takayama K, Taniguchi H, Otomo K, Iesaka Y, Ammar S, Reents T, Fichtner S, Wu J, Zhu P, Olimulder MAGM, Galjee MA, Van Dessel PFHM, Van Der Palen J, Wilde AAM, Scholten MF, Chouchou F, Poupard L, Philippe C, Court-Fortune I, Kolb C, Barthelemy JC, Roche F, Deshko MS, Snezhitsky VA, Dolgoshey TS, Madekina GA, Stempen TP, Sugiura S, Fujii E, Senga M, Hessling G, Dohi K, Sugiura E, Nakamura M, Ito M, Eitel C, Hindricks G, Sommer P, Gaspar T, Bollmann A, Arya A, Deisenhofer I, Piorkowski C, Mendell J, Lasseter K, Shi M, Urban L, Hatala R, Hlivak P, De Melis M, Garutti C, Corbucci G, Di Biase L, Mlcochova H, Maxian R, Cihak R, Wichterle D, Peichl P, Kautzner J, Arbelo E, Dogac A, Luepkes C, Ploessnig M, Gilbert G, Chronaki C, Hinterbuchner L, Guillen A, Brugada J, Bun SS, Latcu DG, Franceschi F, Prevot S, Koutbi L, Ricard P, Mohanty P, Saoudi N, Deharo JC, Nazari N, Alizadeh A, Sayah S, Hekmat M, Assadian M, Ahmadzadeh A, Pietrucha AZ, Bzukala I, Cunningham J, Wnuk M, Mroczek-Czernecka D, Jedrzejczyk-Spaho J, Kruszelnicka O, Piwowarska W, Nessler J, Fedorowski A, Burri P, Juul-Moller S, Melander O, Metz T, Mitro P, Murin P, Kirsch P, Habalova V, Slaba E, Matyasova E, Barlow MA, Blake RJ, Wnuk M, Pietrucha AZ, Horton R, Rostoff P, Wojewodka Zak E, Mroczek-Czernecka D, Wegrzynowska M, Piwowarska W, Nessler J, Froidevaux L, Sarasin FP, Louis-Simonet M, Hugli O, Gallinghouse GJ, Yersin B, Schlaepfer J, Mischler C, Pruvot E, Occhetta E, Frascarelli F, Piacenti M, Burali A, Dovellini E, Padeletti L, Natale A, Tao S, Yamauchi Y, Okada H, Maeda S, Obayashi T, Isobe M, Chan J, Johar S, Wong T, Markides V, Hussain W, Konstantinidou M, Wissner E, Tilz R, Fuernkranz A, Yoshiga Y, Metzner A, Kuck KH, Ouyang F, Kettering K, Gramley F, Mollnau H, Weiss C, Bardeleben S, Biasco L, Scaglione M, Caponi D, Di Donna P, Sergi D, Cerrato N, Blandino A, Gaita F, Kettering K, Mollnau H, Weiss C, Gramley F, Fiala M, Wichterle D, Sknouril L, Bulkova V, Chovancik J, Nevralova R, Pindor J, Januska J, Choi JI, Ban JE, Yasutsugu N, Park JS, Jung JS, Lim HE, Park SW, Kim YH, Kuhne M, Reichlin T, Ammann P, Schaer B, Osswald S, Sticherling C, Ohe M, Goya M, Hiroshima K, Hayashi K, Makihara Y, Nagashima M, Fukunaga M, An Y, Dorwarth U, Schmidt M, Wankerl M, Krieg J, Straube F, Hoffmann E, Deisenhofer I, Ammar S, Reents T, Fichtner S, Kathan S, Wu J, Kolb C, Hessling G, Kuhne M, Reichlin T, Ammann P, Schaer B, Osswald S, Sticherling C, Defaye P, Mbaye A, Cassagneau R, Gagniere V, Jacon P, Pokushalov E, Romanov A, Artemenko S, Shabanov V, Elesin D, Stenin I, Turov A, Losik D, Kondo K, Adachi M, Miake J, Yano A, Ogura K, Kato M, Shigemasa C, Sekiguchi Y, Tada H, Yoshida K, Naruse Y, Yamasaki H, Igarashi M, Machino T, Aonuma K, Chen S, Liu S, Chen G, Meng W, Zhang F, Yan Y, Sciarra L, Dottori S, Lanzillo C, De Ruvo E, De Luca L, Minati M, Lioy E, Calo' L, Lin J, Nie Z, Zhu M, Wang X, Zhao J, Hu W, Tao H, Ge J, Johansson B, Houltz B, Edvardsson N, Schersten H, Karlsson T, Wandt B, Berglin E, Hoyt RH, Jenson BP, Trines SAIP, Braun J, Tjon Joek Tjien A, Zeppenfeld K, Tavilla G, Klautz RJM, Schalij MJ, Krausova R, Cihak R, Peichl P, Wichterle D, Kautzner J, Pirk J, Skalsky I, Maly J, Imai K, Sueda T, Orihashi K, Picarra BC, Santos AR, Dionisio P, Semedo P, Matos R, Leitao M, Banha M, Trinca M, Elder DHJ, George J, Jain R, Lang CC, Choy AM, Konert M, Loescher S, Hartmann A, Aversa E, Chirife R, Sztyglic E, Mazzetti H, Mascheroni O, Tentori MC, Pop RM, Margulescu AD, Dulgheru R, Enescu O, Siliste C, Vinereanu D, Menezes Junior A, Castro Carneiro AR, De Oliveira BL, Shah AN, Kantharia B, De Lucia R, Soldati E, Segreti L, Di Cori A, Zucchelli G, Viani S, Paperini L, Bongiorni MG, Kutarski A, Czajkowski M, Pietura R, Malecka B, Heintze J, Eckardt L, Bauer A, Meine M, Van Erven L, Bloch Thomsen PE, Lopez Chicharro MP, Merhi O, Nagashima M, Goya M, Soga Y, Hayashi K, Ohe M, Andou K, Hiroshima K, Nobuyoshi M, Gonzalez-Mansilla A, Martin-Asenjo R, Unzue L, Torres J, Garralda E, Coma RR, Rodriguez Garcia JE, Yaegashi T, Furusho H, Kato T, Chikata A, Takashima S, Usui S, Takamura M, Kaneko S, Kutarski A, Pietura R, Czajkowski M, Chudzik M, Kutarski A, Mitkowski P, Przybylski A, Lewek J, Malecka B, Smukowski T, Maciag A, Castrejon Castrejon S, Perez-Silva A, Estrada A, Doiny D, Ortega M, Lopez-Sendon JL, Merino JL, O'mahony C, Coats C, Cardona M, Garcia A, Calcagnino M, Lachmann R, Hughes D, Elliott PM, Conti S, Pruiti GP, Puzzangara E, Romano SA, Di Grazia A, Ussia GP, Tamburino C, Calvi V, Radinovic A, Sala S, Latib A, Mussardo M, Sora S, Paglino G, Gullace M, Colombo A, Ohlow MAG, Lauer B, Wagner A, Schreiber M, Buchter B, Farah A, Fuhrmann JT, Geller JC, Nascimento Cardoso RM, Batista Sa LA, Campos Filho LFC, Rodrigues SV, Dutra MVF, Borges TRSA, Portilho DR, Deering T, Bernardes A, Veiga A, Gartenlaub O, Goncalves A, Jimenez A, Rousseauplasse A, Deharo JC, Striekwold H, Gosselin G, Sitbon H, Martins V, Molon G, Ayala-Paredes F, Rousseauplasse A, Sancho-Tello MJ, Fazal IA, Brady S, Cronin J, Mcnally S, Tynan M, Plummer CJ, Mccomb JM, Val-Mejias JE, Fazal IA, Tynan M, Plummer CJ, Mccomb JM, Oliveira RM, Costa R, Martinelli Filho M, Silva KR, Menezes LM, Tamaki WT, Mathias W, Stolf NAG, Misawa T, Ohta I, Shishido T, Miyasita T, Miyamoto T, Nitobe J, Watanabe T, Kubota I, Thibault B, Ducharme A, Simpson C, Stuglin C, Gagne CE, Gagne CE, Williams R, Mcnicoll S, Silvetti MS, Drago F, Penela D, Bijnens B, Doltra A, Silva E, Berruezo A, Mont L, Sitges M, Mcintosh R, Baumann O, Raju P, Gurunathan S, Furniss S, Patel N, Sulke N, Lloyd G, Mor M, Dror S, Tsadok Y, Bachner-Hinenzon N, Katz A, Liel-Cohen N, Etzion Y, Mlynarski R, Mlynarska A, Wilczek J, Sosnowski M, Sinha AM, Sinha D, Noelker G, Brachmann J, Weidemann F, Ertl G, Jones M, Searle N, Cocker M, Ilsley E, Foley P, Khiani R, Nelson KE, Turley AJ, Owens WA, James SA, Linker NJ, Velagic V, Cikes M, Pezo Nikolic B, Puljevic D, Separovic-Hanzevacki J, Lovric-Bencic M, Biocina B, Milicic D, Kawata H, Chen L, Phan H, Anand K, Feld G, Birgesdotter-Green U, Fernandez Lozano I, Mitroi C, Toquero Ramos J, Castro Urda V, Monivas Palomero V, Corona Figueroa A, Hernandez Reina L, Alonso Pulpon L, Gate-Martinet A, Da Costa A, Rouffiange P, Cerisier A, Bisch L, Romeyer-Bouchard C, Isaaz K, Morales MA, Bianchini E, Startari U, Faita F, Bombardini T, Gemignani V, Piacenti M, Adhya S, Kamdar RH, Millar LM, Burchardt C, Murgatroyd FD, Klug D, Kouakam C, Guedon-Moreau L, Marquie C, Benard S, Kacet S, Cortez-Dias N, Carrilho-Ferreira P, Silva D, Goncalves S, Valente M, Marques P, Carpinteiro L, Sousa J, Keida T, Nishikido T, Fujita M, Chinen T, Kikuchi T, Nakamura K, Ohira H, Takami M, Anjo D, Meireles A, Gomes C, Roque C, Pinheiro Vieira A, Lagarto V, Reis H, Torres S, Ortega DF, Barja LD, Montes JP, Logarzo E, Bonomini P, Mangani N, Paladino C, Chwyczko T, Smolis-Bak E, Sterlinski M, Maciag A, Pytkowski M, Firek B, Jankowska A, Szwed H, Nakajima I, Noda T, Okamura H, Satomi K, Aiba T, Shimizu W, Aihara N, Kamakura S, Brzozowski W, Tomaszewski A, Kutarski A, Wysokinski A, Bertoldi EG, Rohde LE, Zimerman LI, Pimentel M, Polanczyk CA, Boriani G, Lunati M, Gasparini M, Landolina M, Lonardi G, Pecora D, Santini M, Valsecchi S, Rubinstein BJ, Wang DY, Cabreriza SE, Richmond ME, Rusanov A, Quinn TA, Cheng B, Spotnitz HM, Kristiansen HM, Vollan G, Hovstad T, Keilegavlen H, Faerestrand S, Kawata H, Phan H, Anand K, Feld G, Brigesdotter-Green U, Nawar AMR, Ragab DALIA, Eluhsseiny RANIA, Abdelaziz AHMED, Nof E, Abu Shama R, Buber J, Kuperstein R, Feinberg MS, Barlev D, Eldar M, Glikson M, Badran H, Samir R, Tawfik M, Amin M, Eldamnhoury H, Khaled S, Tolosana JM, Martin AM, Hernandez-Madrid A, Macias A, Fernandez-Lozano I, Osca J, Quesada A, Mont L, Boriani G, Gasparini M, Landolina M, Lunati M, Santini M, Padeletti L, Botto GL, De Santo T, Lunati M, Szwed A, Martinez JG, Degand B, Villani GQ, Leclercq C, Rousseauplasse A, Ritter P, Estrada A, Doiny D, Castrejon Castrejon S, Perez-Silva A, Ortega M, Lopez-Sendon JL, Merino JL, Watanabe I, Nagashima K, Okumura Y, Kofune M, Ohkubo K, Nakai T, Hirayama A, Mikhaylov E, Vander M, Lebedev D, Zarse M, Suleimann H, Bogossian H, Stegelmeyer J, Ninios I, Karosienne Z, Kloppe A, Lemke B, John S, Gaspar T, Rolf S, Sommer P, Hindricks G, Piorkowski C, Berruezo A, Fernandez-Armenta J, Mont LL, Zeljko H, Andreu D, Herzcku C, Boussy T, Brugada J, Yamauchi Y, Okada H, Maeda S, Tao S, Obayahi T, Aonuma K, Hegrenes J, Lim E, Mediratta V, Bautista R, Teplitsky L, Van Huls Van Taxis CFB, Wijnmaalen AP, Gawrysiak M, Schuijf JD, Bax JJ, Schalij MJ, Zeppenfeld K, Huo Y, Richter S, Hindricks G, Arya A, Gaspar T, Bollmann A, Akca F, Bauernfeind T, Schwagten B, De Groot NMS, Jordaens L, Szili-Torok T, Hegrenes J, Miller S, Kastner G, Teplitsky L, Maury P, Della Bella P, Delacretaz E, Sacher F, Maccabelli G, Brenner R, Rollin A, Jais P, Vergara P, Trevisi N, Ricco A, Petracca F, Bisceglia C, Baratto F, Maccabelli G, Della Bella P, Salguero Bodes R, Fontenla Cerezuela A, De Riva Silva M, Lopez Gil M, Mejia Martinez E, Jurado Roman A, Montero Alvarez M, Arribas Ynsaurriaga F, Baszko A, Krzyzanowski K, Bobkowski W, Surmacz R, Zinka E, Siwinska A, Szyszka A, Perez Silva A, Doiny D, Castrejon Castrejon S, Estrada Mucci A, Ortega Molina M, Lopez Sendon JL, Merino Llorens JL, Kaitani K, Hanazawa K, Izumi C, Nakagawa Y, Yamanaka I, Hirahara T, Sugawara Y, Suga C, Ako J, Momomura S, Galizio N, Gonzalez J, Robles F, Palazzo A, Favaloro L, Diez M, Guevara E, Fernandez A, Greenberg S, Epstein A, Deering T, Goldman DS, Sangli C, Keeney JA, Lee K, Piers SRD, Van Rees JB, Thijssen J, Borleffs CJW, Van Der Velde ET, Van Erven L, Schalij MJ, Leclercq CH, Hero M, Mizobuchi M, Enjoji Y, Yazaki Y, Shibata K, Funatsu A, Kobayashi T, Nakamura S, Amit G, Pertzov B, Katz A, Zahger D, Robles F, Galizio N, Gonzalez J, Medesani L, Rana R, Palazzo A, Albano F, Fraguas H, Pedersen SS, Hoogwegt MT, Jordaens L, Theuns DAMJ, Van Den Broek KC, Tekle FB, Habibovic M, Alings M, Van Der Voort P, Denollet J, Vrazic H, Jilek C, Badran H, Lesevic H, Tzeis S, Semmler V, Deisenhofer I, Kolb C, Theuns DAMJ, Gold MR, Burke MC, Bardy GH, Varma N, Pavri B, Stambler B, Michalski J, Investigators TRUST, Safak E, Schmitz D, Konorza T, Wende C, Schirdewan A, Neuzner J, Simmers T, Erglis A, Gradaus R, Alings M, Goetzke J, Coutrot L, Goehl K, Bazan Gelizo V, Grau N, Valles E, Felez M, Sanjuas C, Bruguera J, Marti-Almor J, Chu SY, Li PW, Ding WH, Schukro C, Leitner L, Siebermair J, Stix G, Pezawas T, Kastner J, Wolzt M, Schmidinger H, Behar NATHALIE, Kervio G, Petit B, Maison-Balnche P, Bodi S, Mabo P, Foley PWX, Mutch E, Brashaw-Smith J, Ball L, Leyva F, Kim DH, Lee MJ, Lee WS, Park SD, Shin SH, Woo SI, Kwan J, Park KS, Munetsugu Y, Tanno K, Kikuchi M, Ito H, Miyoshi F, Kawamura M, Kobayashi Y, Man S, Algra AM, Schreurs CA, Van Erven L, Van Der Wall EE, Cannegieter SC, Schalij MJ, Swenne CA, Adachi M, Yano A, Miake J, Ogura K, Kato M, Iitsuka K, Kondo T, Zarse M, Goebbert K, Bogossian H, Karossiene Z, Stegelmeyer J, Ninios I, Kloppe A, Lemke B, Goldman D, Kallen B, Kerpi E, Sardo J, Arsenos P, Gatzoulis K, Manis G, Dilaveris P, Tsiachris D, Mytas D, Asimakopoulos S, Stefanadis C, Arsenos P, Gatzoulis K, Manis G, Dilaveris P, Sideris S, Kartsagoulis E, Mytas D, Stefanadis C, Barbosa O, Marocolo Junior M, Silva Cortes R, Moraes Brandolis RA, Oliveira LF, Pertili Rodrigues De Resende LA, Vieira Da Silva MA, Dias Da Silva VJ, Hegazy RA, Sharaf IA, Fadel F, Bazaraa H, Esam R, Deshko MS, Snezhitsky VA, Stempen TP, Kuroki K, Tada H, Igawa M, Yoshida K, Igarashi M, Sekiguchi Y, Kuga K, Aonuma K, Ferreira Santos L, Dionisio T, Nunes L, Machado J, Castedo S, Henriques C, Matos A, Oliveira Santos J, Kraaier K. Poster Session 3. Europace 2011. [DOI: 10.1093/europace/eur229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Castel M, Roig E, Tomas C, Farrero M, Martinez-Mateo V, Cardona M, Pérez-Villa F. 335 Elevated Heart Rate at Twelve Months after Heart Transplantation Is an Independent Predictor of Long Term Mortality. J Heart Lung Transplant 2011. [DOI: 10.1016/j.healun.2011.01.342] [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: 10/18/2022] Open
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Zhang J, Ye J, Altafaj A, Cardona M, Bahi N, Llovera M, Cañas X, Cook SA, Comella JX, Sanchis D. EndoG links Bnip3-induced mitochondrial damage and caspase-independent DNA fragmentation in ischemic cardiomyocytes. PLoS One 2011; 6:e17998. [PMID: 21437288 PMCID: PMC3060094 DOI: 10.1371/journal.pone.0017998] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Accepted: 02/22/2011] [Indexed: 11/19/2022] Open
Abstract
Mitochondrial dysfunction, caspase activation and caspase-dependent DNA fragmentation are involved in cell damage in many tissues. However, differentiated cardiomyocytes repress the expression of the canonical apoptotic pathway and their death during ischemia is caspase-independent. The atypical BH3-only protein Bnip3 is involved in the process leading to caspase-independent DNA fragmentation in cardiomyocytes. However, the pathway by which DNA degradation ensues following Bnip3 activation is not resolved. To identify the mechanism involved, we analyzed the interdependence of Bnip3, Nix and EndoG in mitochondrial damage and DNA fragmentation during experimental ischemia in neonatal rat ventricular cardiomyocytes. Our results show that the expression of EndoG and Bnip3 increases in the heart throughout development, while the caspase-dependent machinery is silenced. TUNEL-positive DNA damage, which depends on caspase activity in other cells, is caspase-independent in ischemic cardiomyocytes and ischemia-induced DNA high and low molecular weight fragmentation is blocked by repressing EndoG expression. Ischemia-induced EndoG translocation and DNA degradation are prevented by silencing the expression of Bnip3, but not Nix, or by overexpressing Bcl-xL. These data establish a link between Bnip3 and EndoG-dependent, TUNEL-positive, DNA fragmentation in ischemic cardiomyocytes in the absence of caspases, defining an alternative cell death pathway in postmitotic cells.
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Affiliation(s)
- Jisheng Zhang
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
| | - Junmei Ye
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
| | | | - Maria Cardona
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
| | - Núria Bahi
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
| | - Marta Llovera
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
| | | | - Stuart A. Cook
- Medical Research Council Clinical Sciences Centre, Imperial College, Hammersmith Hospital Campus, London, United Kingdom
| | - Joan X. Comella
- Ciberned, Institut de Neurociències, Hospital Vall d'Hebró, UAB, Barcelona, Spain
| | - Daniel Sanchis
- Institut de Recerca Biomèdica de Lleida (IRBLLEIDA), Universitat de Lleida, Lleida, Spain
- * E-mail:
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Fuchs HD, Rosenbauer M, Brandt MS, Ernst S, Finkbeiner S, Stutzmann M, Syassen K, Weber J, Queisser HJ, Cardona M. Visible Luminescence from Porous Silicon and Siloxene: Recent Results. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-283-203] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTThe optical properties of porous Si (p-Si) are compared to those of siloxene and its derivatives in order to gain more insight into the mechanism of the luminescence observed in p-Si. We report new results of photoluminescence (PL), photoluminescence excitation (PLE), time-dependent and pressure-dependent photoluminescence, and optically detected magnetic resonance (ODMR). Important information about the structural, electronic, and microscopic nature of the two classes of materials are deduced from these experiments. Annealed siloxene and p-Si show very similar properties, suggesting that siloxene-related structures, e.g. electrically isolated Si6-rings, might be responsible for the luminescence in p-Si. The Si-planes in as-prepared siloxene, with their green luminescence, are metastable and are readily oxidized into red-luminescent siloxene configurations.
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Romero I, Téllez J, Suárez Y, Cardona M, Figueroa R, Zelazny A, Gore Saravia N. Viability and burden of Leishmania in extralesional sites during human dermal leishmaniasis. PLoS Negl Trop Dis 2010; 4. [PMID: 20856851 PMCID: PMC2939031 DOI: 10.1371/journal.pntd.0000819] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2010] [Accepted: 08/12/2010] [Indexed: 11/23/2022] Open
Abstract
Background The clinical and epidemiological significance of Leishmania DNA in extralesional sites is obscured by uncertainty of whether the DNA derives from viable parasites. To examine dissemination of Leishmania during active disease and the potential participation of human infection in transmission, Leishmania 7SLRNA was exploited to establish viability and estimate parasite burden in extralesional sites of dermal leishmaniasis patients. Methods The feasibility of discriminating parasite viability by PCR of Leishmania 7SLRNA was evaluated in relation with luciferase activity of luc transfected intracellular amastigotes in dose-response assays of Glucantime cytotoxicity. Monocytes, tonsil swabs, aspirates of normal skin and lesions of 28 cutaneous and 2 mucocutaneous leishmaniasis patients were screened by kDNA amplification/Southern blot. Positive samples were analyzed by quantitative PCR of Leishmania 7SLRNA genes and transcripts. Results 7SLRNA amplification coincided with luciferase activity, confirming discrimination of parasite viability. Of 22 patients presenting kDNA in extralesional samples, Leishmania 7SLRNA genes or transcripts were detected in one or more kDNA positive samples in 100% and 73% of patients, respectively. Gene and transcript copy number amplified from extralesional tissues were comparable to lesions. 7SLRNA transcripts were detected in 13/19 (68%) monocyte samples, 5/12 (42%) tonsil swabs, 4/11 (36%) normal skin aspirates, and 22/25 (88%) lesions; genes were quantifiable in 15/19 (79%) monocyte samples, 12/13 (92%) tonsil swabs, 8/11 (73%) normal skin aspirates. Conclusion Viable parasites are present in extralesional sites, including blood monocytes, tonsils and normal skin of dermal leishmaniasis patients. Leishmania 7SLRNA is an informative target for clinical and epidemiologic investigations of human leishmaniasis. Understanding of the dynamics and distribution of Leishmania in the human host is fundamental to the targeting of control measures and their evaluation. Amplification of parasite gene sequences in clinical samples from cutaneous leishmaniasis patients has provided evidence of Leishmania in blood, other tissues and sites distinct from the lesion and of persistence of infection after clinical resolution of disease. However, there is uncertainty about the interpretation of the presence of Leishmania DNA as indicative of viable parasites. Because RNA is short-lived and labile, its presence provides an indicator of viability. We amplified Leishmania 7SLRNA, a molecule involved in intracellular protein translocation, to establish viability and estimate parasite load in blood monocytes, tonsil swab samples, and tissue fluid from healthy skin of patients with dermal leishmaniasis. Results showed that during active dermal leishmaniasis, viable Leishmania are present in blood monocytes, tonsils and normal skin in quantities similar to that in lesions, demonstrating widespread dissemination of infection and subclinical involvement of tissues beyond the lesion site. Leishmania 7SLRNA will be useful in deciphering the role of human infection in transmission.
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Affiliation(s)
- Ibeth Romero
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Jair Téllez
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
- * E-mail:
| | - Yazmín Suárez
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Maria Cardona
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Roger Figueroa
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Adrian Zelazny
- Microbiology Service, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Nancy Gore Saravia
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
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Manesh KM, Cardona M, Yuan R, Clark M, Kagan D, Balasubramanian S, Wang J. Template-assisted fabrication of salt-independent catalytic tubular microengines. ACS Nano 2010; 4:1799-1804. [PMID: 20230041 DOI: 10.1021/nn1000468] [Citation(s) in RCA: 148] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A simplified template-assisted layering approach for preparing catalytic conical tube microjet engines based on sequential deposition of platinum and gold on an etched silver wire template followed by dicing and dissolution of the template is described. The method allows detailed control over the tube parameters and hence upon the performance of the microengine. The recoiling bubble propulsion mechanism of the tubular microengine, associated with the ejection of internally generated oxygen microbubbles, addresses the ionic-strength limitation of catalytic nanowire motors and leads to a salt-independent movement. Similar rates of bubble generation and motor speeds are observed in salt-free and salt-rich media (at elevated ionic-strength environments as high as 1 M NaCl). Plating of an intermediate nickel layer facilitates a magnetically guided motion as well as the pickup and transport of large (magnetic) "cargo". Surfactant addition is shown to decrease the surface tension and offer a more frequent formation of dense smaller bubbles. The new and improved motor capabilities along with the simple preparation route hold great promise for using catalytic micromotors in diverse and important applications.
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Affiliation(s)
- Kalayil Manian Manesh
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, USA
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Collinder E, Björnhag G, Cardona M, Norin E, Rehbinder C, Midtvedt T. Gastrointestinal Host–Microbial Interactions in Mammals and Fish: Comparative Studies in Man, Mice, Rats, Pigs, Horses, Cows, Elks, Reindeers, Salmon and Cod. Microbial Ecology in Health and Disease 2009. [DOI: 10.1080/08910600310014980] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Eje Collinder
- Microbiology and Tumor Biology Center, Karolinska Institutet, Stockholm
| | - Göran Björnhag
- Department of Animal Physiology, Swedish University of Agricutural Sciences, Uppsala
| | | | - Elisabeth Norin
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm
| | - Claes Rehbinder
- Microbiology and Tumor Biology Center, Karolinska Institutet, Stockholm
| | - Tore Midtvedt
- Department of Animal Physiology, Swedish University of Agricutural Sciences, Uppsala
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Calvo-Marzal P, Manesh KM, Kagan D, Balasubramanian S, Cardona M, Flechsig GU, Posner J, Wang J. Electrochemically-triggered motion of catalytic nanomotors. Chem Commun (Camb) 2009:4509-11. [DOI: 10.1039/b909227g] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cardona M, Joshi R, Ivers RQ, Iyengar S, Chow CK, Colman S, Ramakrishna G, Dandona R, Stevenson MR, Neal BC. The burden of fatal and non-fatal injury in rural India. Inj Prev 2008; 14:232-7. [PMID: 18676781 DOI: 10.1136/ip.2007.018259] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Little is known about the burden or causes of injury in rural villages in India. OBJECTIVE To examine injury-related mortality and morbidity in villages in the state of Andhra Pradesh, India. METHODS A verbal-autopsy-based mortality surveillance study was used to collect mortality data on all ages from residents in 45 villages in 2003-2004. In early 2005, a morbidity survey in adults was carried out using stratified random sampling in 20 villages. Participants were asked about injuries sustained in the preceding 12 months. Both fatal and non-fatal injuries were coded using classification methods derived from ICD-10. RESULTS Response rates for the mortality surveillance and morbidity survey were 98% and 81%, respectively. Injury was the second leading cause of death for all ages, responsible for 13% (95% CI 11% to 15%) of all deaths. The leading causes of fatal injury were self-harm (36%), falls (20%), and road traffic crashes (13%). Non-fatal injury was reported by 6.7% of survey participants, with the leading causes of injury being falls (38%), road traffic crashes (25%), and mechanical forces (16.1%). Falls were more common in women, with most (72.3%) attributable to slipping and tripping. Road traffic injuries were sustained mainly by men and were primarily the result of motorcycle crashes (48.8%). DISCUSSION Injury is an important contributor to disease burden in rural India. The leading causes of injury-falls, road traffic crashes, and suicides-are all preventable. It is important that effective interventions are developed and implemented to minimize the impact of injury in this region.
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Affiliation(s)
- M Cardona
- The George Institute for International Health, Sydney, Australia
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Díaz-Sánchez LE, Romero AH, Cardona M, Kremer RK, Gonze X. Effect of the spin-orbit interaction on the thermodynamic properties of crystals: specific heat of bismuth. Phys Rev Lett 2007; 99:165504. [PMID: 17995266 DOI: 10.1103/physrevlett.99.165504] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2007] [Indexed: 05/24/2023]
Abstract
We discuss measurements and ab initio calculations of the specific heat for crystalline bismuth, strictly speaking, a semimetal but in the temperature region accessible to us (T>2 K) acting as a semiconductor. We extend experimental data available in the literature and notice that the ab initio calculations without spin-orbit interaction exhibit a maximum at approximately 8 K, about 20% lower than the measured one. Inclusion of spin-orbit interaction decreases the discrepancy markedly: the maximum of C(T) is now only 7% larger than the measured one. Exact agreement is obtained if the strength of the spin-orbit Hamiltonian is reduced by a factor of approximately 0.9. We also discuss the dependence of the lattice parameter and the cohesive energy on spin-orbit interaction.
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Affiliation(s)
- L E Díaz-Sánchez
- CINVESTAV-Querétaro, Libramiento Norponiente 2000, Fraccionamiento Real de Juriquilla 76230 Querétaro, Querétaro Mexico
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Cardona M, Joshi* R. The challenge of balancing methodological research rigour and practical needs in low-income settings: What we are doing and what we need to do better. Critical Public Health 2007. [DOI: 10.1080/09581590601045238] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yang A, Steger M, Karaiskaj D, Thewalt MLW, Cardona M, Itoh KM, Riemann H, Abrosimov NV, Churbanov MF, Gusev AV, Bulanov AD, Kaliteevskii AK, Godisov ON, Becker P, Pohl HJ, Ager JW, Haller EE. Optical detection and ionization of donors in specific electronic and nuclear spin States. Phys Rev Lett 2006; 97:227401. [PMID: 17155840 DOI: 10.1103/physrevlett.97.227401] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2006] [Indexed: 05/12/2023]
Abstract
We resolve the remarkably sharp bound exciton transitions of highly enriched 28Si using a single-frequency laser and photoluminescence excitation spectroscopy, as well as photocurrent spectroscopy. Well-resolved doublets in the spectrum of the 31P donor reflect the hyperfine coupling of the electronic and nuclear donor spins. The optical detection of the nuclear spin state, and selective pumping and ionization of donors in specific electronic and nuclear spin states, suggests a number of new possibilities which could be useful for the realization of silicon-based quantum computers.
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Affiliation(s)
- A Yang
- Department of Physics, Simon Fraser University, Burnaby, British Columbia, V5A 1S6 Canada
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Affiliation(s)
- B. von Roedern
- a Max-Planck-Institut für Festkörperforschung , 7000 , Stuttgartn , 80 , Federal Republic of, Germany
- b Division of Applied Sciences, Pierce Hall , Harvard University , Cambridge , Massachusetts , 02138 , U.S.A
| | - L. Ley
- a Max-Planck-Institut für Festkörperforschung , 7000 , Stuttgartn , 80 , Federal Republic of, Germany
| | - M. Cardona
- a Max-Planck-Institut für Festkörperforschung , 7000 , Stuttgartn , 80 , Federal Republic of, Germany
| | - F. W. Smith
- a Max-Planck-Institut für Festkörperforschung , 7000 , Stuttgartn , 80 , Federal Republic of, Germany
- c City College of New York , New York , U.S.A
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Lastras-Martínez LF, Flores-Camacho JM, Lastras-Martínez A, Balderas-Navarro RE, Cardona M. Measurement of the surface strain induced by reconstructed surfaces of GaAs (001) using photoreflectance and reflectance-difference spectroscopies. Phys Rev Lett 2006; 96:047402. [PMID: 16486894 DOI: 10.1103/physrevlett.96.047402] [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] [Subscribe] [Scholar Register] [Received: 06/07/2005] [Indexed: 05/06/2023]
Abstract
We report photoreflectance-difference and reflectance-difference measurements on reconstructed GaAs (001) surfaces. From these data the linear and quadratic electro-optic coefficient spectra are determined in the important 2.8-3.4 eV spectral region. The surface strain and fields induced by the surface reconstruction are also determined. We show experimentally that between c(4x4) and (2x4) surfaces, there is an inversion of the surface electric field which we attribute to a direct piezo-electric effect related to the surface strain induced by reconstruction.
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Affiliation(s)
- L F Lastras-Martínez
- Instituto de Investigación en Comunicación Optica, Universidad Autonóma de San Luis Potosí, Alvaro Obregón 64, San Luis Potosí, México.
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Cardona M, Colomer MA, Conde J, Miret JM, Miró J, Zaragoza A. Markov chains: Computing limit existence and approximations with DNA. Biosystems 2005; 81:261-6. [PMID: 15982800 DOI: 10.1016/j.biosystems.2005.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2004] [Revised: 05/10/2005] [Accepted: 05/10/2005] [Indexed: 11/25/2022]
Abstract
We present two algorithms to perform computations over Markov chains. The first one determines whether the sequence of powers of the transition matrix of a Markov chain converges or not to a limit matrix. If it does converge, the second algorithm enables us to estimate this limit. The combination of these algorithms allows the computation of a limit using DNA computing. In this sense, we have encoded the states and the transition probabilities using strands of DNA for generating paths of the Markov chain.
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Affiliation(s)
- M Cardona
- Universitat de Lleida, 25001 Lleida, Spain.
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Martínez M, Jou P, Nonell R, Cardona M, Alonso I, Vanrell J. Pólipos endometriales: riesgo de malignización y correlación clínico-anatómica. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0304-5013(04)76044-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Collinder E, Björnhag G, Cardona M, Norin E, Rehbinder C, Midtvedt T. Gastrointestinal Host. Microbial Ecology in Health & Disease 2003. [DOI: 10.3402/mehd.v15i2-3.7964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Karaiskaj D, Stotz JAH, Meyer T, Thewalt MLW, Cardona M. Impurity absorption spectroscopy in 28Si: the importance of inhomogeneous isotope broadening. Phys Rev Lett 2003; 90:186402. [PMID: 12786030 DOI: 10.1103/physrevlett.90.186402] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2003] [Indexed: 05/24/2023]
Abstract
We report high-resolution infrared absorption spectra of the neutral donors phosphorus and lithium, and the neutral acceptor boron, in isotopically pure 28Si crystals. Surprisingly, many of the transitions are much sharper than previously reported in natural Si. In particular, the 2p(0) line of phosphorus in 28Si has a full width at half maximum of only 4.2 microeV, about 5 times less than the narrowest 2p(0) line previously reported for natural Si, making it the narrowest shallow impurity transition yet observed. The widely held assumptions that the impurity transitions previously reported in high quality samples of natural Si revealed the true, homogeneous linewidths, are thus shown to be incorrect. The sharper transitions in 28Si also reveal new substructures in the boron and lithium spectra.
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Affiliation(s)
- D Karaiskaj
- Department of Physics, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Munzar D, Cardona M. Raman-active c-axis plasma modes in multilayer high-Tc cuprate superconductors. Phys Rev Lett 2003; 90:077001. [PMID: 12633264 DOI: 10.1103/physrevlett.90.077001] [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] [Subscribe] [Scholar Register] [Received: 10/03/2002] [Indexed: 05/24/2023]
Abstract
The spectacular changes of the A(1g)-polarized Raman spectra of trilayer and four-layer high-T(c) cuprate superconductors below T(c) observed in recent experiments can be explained in terms of a new type of excitation that occurs in these systems, a Raman active c-axis plasmon. Its frequency, intensity, resonance properties, polarization properties, and coupling to phonon modes involving vibrations of the planar oxygens are estimated and shown to agree with those of the observed A(1g) superconductivity-induced electronic peak.
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Affiliation(s)
- D Munzar
- Institute of Condensed Matter Physics, Masaryk University, Kotlárská 2, CZ-61137 Brno, Czech Republic
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Serrano J, Manjón FJ, Romero AH, Widulle F, Lauck R, Cardona M. Dispersive phonon linewidths: the E2 phonons of ZnO. Phys Rev Lett 2003; 90:055510. [PMID: 12633376 DOI: 10.1103/physrevlett.90.055510] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2002] [Indexed: 05/24/2023]
Abstract
Phonon linewidths can exhibit a large variation when either pressure or isotopic masses are changed. These effects yield detailed information about the mechanisms responsible for linewidths and lifetimes, e.g., anharmonicity or isotopic disorder. We report Raman measurements of the linewidth of the upper E2 phonons of ZnO crystals with several isotopic compositions and their dependence on pressure. Changes by a factor of 12 are observed at a given temperature. Comparison with calculated densities of one-phonon states, responsible for isotope scattering, and of two-phonon states, responsible for anharmonic decay, yields a consistent picture of these phenomena. Isotopic disorder broadening by 7 cm(-1) is found in samples with mixed 16O-18O content, whereas the anharmonic processes involve decay into sums and differences of two phonons.
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Affiliation(s)
- J Serrano
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, 70569 Stuttgart, Germany.
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Karaiskaj D, Kirczenow G, Thewalt MLW, Buczko R, Cardona M. Origin of the residual acceptor ground-state splitting in silicon. Phys Rev Lett 2003; 90:016404. [PMID: 12570637 DOI: 10.1103/physrevlett.90.016404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2002] [Indexed: 05/24/2023]
Abstract
The residual ground-state splitting of acceptors in high-quality silicon has been studied intensely by different experimental techniques for several decades. Recently, photoluminescence studies of isotopically pure silicon revealed the ground-state splitting to result from the random distribution of isotopes in natural silicon. Here we present a new model that explains these surprising experimental results, and discuss the implications for acceptor ground-state splittings observed in other isotopically mixed semiconductors, as well as for the acceptor ground state in semiconductor alloys.
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Affiliation(s)
- D Karaiskaj
- Department of Physics, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Karaiskaj D, Thewalt MLW, Ruf T, Cardona M, Konuma M. "Intrinsic" acceptor ground state splitting in silicon: an isotopic effect. Phys Rev Lett 2002; 89:016401. [PMID: 12097056 DOI: 10.1103/physrevlett.89.016401] [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] [Subscribe] [Scholar Register] [Received: 03/13/2002] [Indexed: 05/23/2023]
Abstract
One of the oldest open questions in semiconductor physics is the origin of the small splittings of the neutral acceptor ground state in silicon which lead to a distribution of doublet splittings rather than the fourfold-degenerate state of Gamma(8) symmetry expected in the absence of perturbations. Here we show that these acceptor ground state splittings are absent in the photoluminescence spectra of acceptor bound excitons in isotopically purified 28Si, demonstrating conclusively the surprising result that the splittings previously observed in natural Si result from the randomness of the Si isotopic composition.
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Affiliation(s)
- D Karaiskaj
- Department of Physics, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Cardona M. Effect of estrogen replacement therapy on blood pressure, renin-angiotensin system, and intracellular electrolytes. Am J Hypertens 2001. [DOI: 10.1016/s0895-7061(01)02035-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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