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Azevedo A, Roque R, Passos J, Nunes S, Migueis J, Faria C, Sagarribay A, Serpa A, Roque L, Mafra M, Salgado D. P04.02.A Integrated diagnosis and therapeutic decision of pediatric nervous system tumors using a comprehensive genomic profiling test. Neuro Oncol 2022. [DOI: 10.1093/neuonc/noac174.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Nervous system tumors (NST) are one of the leading causes of cancer-related death in children. Next-generation sequencing has enabled the identification of an increasing number of genetic markers, allowing for a more accurate diagnosis, and may help guide clinicians towards a more specific therapeutic approach.
Material and Methods
Retrospective cohort study of pediatric and young adult patients with NST analyzed with FoundationOneHeme® (FOH) panel from March 2020 to April 2021. This panel was requested, in addition to previously performed pathological reviews and routine genetic tests, in order to obtain more accurate diagnoses and/or possible therapeutic targets.
Results
Fifty NST were analyzed with FOH panel, corresponding to 49 patients. Median age at NST diagnosis was 13 years (range 0-23 years); 50% were females. Initial diagnoses were: 10 pilocytic astrocytomas, 10 diffuse gliomas, 5 ependymomas, 6 mixed neuronal-glial tumors, 7 embryonal tumors, 3 meningeal tumors, 5 peripheral nervous system tumors (PNST) and 4 other types of tumors. There was a change in the final integrated diagnosis after performing the FOH panel in 10 patients (1 pilocytic astrocytoma, 3 diffuse gliomas, 4 mixed neuronal-glial tumors and 1 PNST). In thirty patients, at least one possible therapeutic target was identified: in 5 patients the target therapies are approved for the patients’ tumor type; in 20 patients, target therapies are approved for the same mutations in other tumor types; and in 30 patients target therapies are still being evaluated in ongoing clinical trials. After the results of the FOH panel were known, the previous therapeutic approach was changed in 15 patients, but in only 4 this was attributed to the new genomic findings.
Conclusion
Comprehensive genomic profiling tests can improve diagnostic accuracy and allow for a more reliable approach to the management of pediatric patients with nervous system tumors. Although in most patients there was no immediate therapeutic application of the potential targets found, the genomic data obtained could be very useful to patients who may have tumor progressions in the future.
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Affiliation(s)
- A Azevedo
- IPOFG Lisboa , Lisbon , Portugal
- Faculdade de Ciencias da Saude, UBI , Covilha , Portugal
| | - R Roque
- Centro Hospitalar de Lisboa Norte , Lisbon , Portugal
| | - J Passos
- IPOFG Lisboa , Lisbon , Portugal
| | - S Nunes
- IPOFG Lisboa , Lisbon , Portugal
| | | | - C Faria
- Centro Hospitalar de Lisboa Norte , Lisbon , Portugal
| | - A Sagarribay
- Centro Hospitalar e Universitario de Lisboa Central , Lisbon , Portugal
| | - A Serpa
- IPOFG Lisboa , Lisbon , Portugal
| | - L Roque
- IPOFG Lisboa , Lisbon , Portugal
| | - M Mafra
- Centro Hospitalar e Universitario de Lisboa Central , Lisbon , Portugal
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Flores C, Chirinos L, Fernandez D, Roque R, Enriquez D. P-62 Overall survival of patients with pancreatic cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Grenho-Rodrigues S, Silva D, Machado M, Roque R, Pimentel J. Diagnostic yield of muscle biopsies in pediatric population: a tertiary center experience. Rev Neurol 2021; 72:283-287. [PMID: 33851717 DOI: 10.33588/rn.7208.2020596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
INTRODUCTION BACKGROUND AND AIM Muscle biopsy is still an important exam on the investigation of neuromuscular diseases although data regarding its diagnostic yield can be disappointing. We aimed to analyze the diagnostic yield of muscle biopsies in the pediatric population. PATIENTS AND METHODS We retrospectively analyzed a tertiary Neuropathology laboratory database to identify patients (<18 years old), submitted to muscle biopsy between January 2015 and August 2019. Demographics, clinical presentation, diagnosis, treatment, and follow-up were evaluated. Descriptive statistical analysis was performed. RESULTS One-hundred and six patients were included, 52,8% (n = 56) were male. Median age at biopsy was 6 years (IQR 10 years). Patients were divided into 8 groups, according to clinical diagnostic suspicion: mitochondrial myopathies (n = 29), congenital myopathies (n = 9), inflammatory myopathies (n = 8), muscular dystrophies (n = 7), raised CK values in serum (n = 7), metabolic myopathies (n = 5), weakness /other neuromuscular symptoms (n = 30) and multiple clinical suspicions (n = 11). Biopsy was normal in 50 patients. Of the remaining, 27 displayed specific diagnostic features, with 88,9% (n = 24) allowing a definite diagnosis: muscular dystrophies (n = 7), metabolic myopathies (n = 5), congenital myopathies (n = 4), inflammatory myopathies (n = 4), mitochondrial myopathies (n = 3) and spinal muscular atrophy (n = 1). Histology led to a change of treatment in 4 patients, all diagnosed with inflammatory myopathies. Median length of follow-up was 1 year (IQR 2 years). CONCLUSION Biopsy diagnostic yield was 22,6%, and it was useful either in diagnostic or therapeutic approaches in 35,8%. Although advances of molecular techniques led to a decrease in muscle biopsy indications, it remains an important tool on the diagnosis of neuromuscular diseases.
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Affiliation(s)
| | - D Silva
- Hospital de Santa Maria, Centro Hospitalar Universitário de Lisboa Norte, Lisboa, Portugal
| | - M Machado
- Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal
| | - R Roque
- Hospital de Santa Maria, Centro Hospitalar Universitário de Lisboa Norte, Lisboa, Portugal
| | - J Pimentel
- Hospital de Santa Maria, Centro Hospitalar Universitário de Lisboa Norte, Lisboa, Portugal
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Rodrigues-Manica S, Sepriano A, Pimentel Dos Santos F, Gouveia N, Barcelos A, Branco J, Bernardes M, Ferreira R, Vieira-Sousa E, Barreira SC, Vinagre F, Roque R, Santos H, Madeira N, Rovisco J, Daniel A, Ramiro S. FRI0293 EFFECTIVENESS OF SWITCHING BETWEEN TNF INHIBITORS IN PATIENTS WITH AXIAL SPONDYLOARTHRITIS: IS THE REASON TO SWITCH RELEVANT? Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:It has been common practice to start a second TNF inhibitor (TNFi) in patients with axial spondyloarthritis (axSpA) who discontinue their first TNFi. It remains unclear if the reason for discontinuation of the first TNFi influences the response to the second.Objectives:To assess if the reason of discontinuation of the first TNFi influences the response to the second TNFi.Methods:Patients with axSpA from the ReumaPt registry, who discontinued their first TNFi and started a second TNFi and who had complete data on Ankylosing Spondylitis Disease Activity Score (ASDAS) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) at baseline, 3 and 6 months for their first TNFi were included. Then, they were followed every 6 months up to 12 years. The main outcome was the ASDAS clinically important improvement (ASDAS CII). Secondary outcomes were ASDAS major important improvement (ASDAS MI); ASDAS low disease activity (ASDAS LDA); ASDAS inactive disease (ASDAS ID) and BASDAI 50. The reason for discontinuation of the first TNFi was defined as: i) Primary failure, ASDAS CII was not achieved at 3 or 6 months; ii) Secondary failure, ASDAS CII achieved at 3 or 6 months but lost in ≥1 follow-up visit; iii) Adverse events; iv) Other (e.g. pregnancy, surgery). The response to the first TNFi at 3 and 6 months was compared to the response to the second TNFi at the same visits, adjusting for age, gender and C-reactive protein (CRP). The association between the reason of discontinuation of the first TNFi and response the second TNFi over time was tested in generalized estimating equations (GEE) models, adjusted for age, gender and CRP.Results:In total, 193 patients (53% male, mean age 45 (SD:11) years) were included, with a median follow-up time on the second TNFi of 1.5 years. Patients had a lower response to the second TNFi compared to the first TNFi according to the main outcome (ASDAS CII) at 3 months (41% vs 51%) and 6 months (35% vs 56%). There was an association between the reason to discontinue the first TNFi and response to the second TNFi as defined by the most stringent outcomes (ASDAS MI and ASDAS ID), but not for ASDAS CII (Table). Compared to patients who discontinued their first TNFi due to primary failure, patients were more likely to achieve ASDAS ID with the second TNFi when they discontinued their first TNFi due to secondary failure (OR: 7.3 [(95%CI: 1.9; 27.7]), adverse events (OR: 9.1 [2.5; 33.3]), or other reasons (OR: 7.7 [1.6; 37.9]).Conclusion:In axSpA, response to the second TNFi is worse compared to the first TNFi. Patients with a secondary failure to the first TNFi have a better response to the second TNFi compared to those discontinuing the first TNFi due to primary failure, particularly for most stringent outcomes.Table.Association between the reason for discontinuation of the first TNFi and response to the second TNFiReason to discontinue first TNFi*Outcome for the second TNFiOR (95% CI)ASDAS-CII (N=135)ASDAS-MII (N=135)ASDAS-LDA (N=166)ASDAS-ID (N=166)BASDAI50 (N=147)(ref Primary failure) -Secondary failure1.9 (0.7;4.8)4.8 (1.3;18.2)1.2 (0.6;2.4)7.3 (1.9;27.7)1.4 (0.6;3.0) -Adverse events1.5 (0.6;3.5)2.4 (0.6;9.6)0.9 (0.5;1.7)9.1 (2.5;33.3)1.1 (0.5;2.3) -Other1.0 (0.3;3.8)1.7 (0.1;19.4)1.0 (0.4;2.4)7.7 (1.6;37.9)0.5 (0.1;1.7)*GEE models with the reason of discontinuation of the first TNFi as predictor (reference category: primary failure); all models adjusted for age, gender and C-reactive protein. OR in bold are statistically significant (p<0.05).Disclosure of Interests:Santiago Rodrigues-Manica Speakers bureau: Jansse, MSD, Novartis, Alexandre Sepriano: None declared, Fernando Pimentel dos Santos Speakers bureau: Novartis, Pfizer, Biogen, Vitoria,, Nélia Gouveia: None declared, Anabela Barcelos Speakers bureau: Bene, Eli-Lilly, Pfizer, MSD, Novartis, Jaime Branco Speakers bureau: Vitoria, Miguel Bernardes Speakers bureau: Abbvie, Amgen, Biogen, Eli-Lilly, Glaxo-Smith-Kline, Pfizer, Janssen, Novartis, Raquel Ferreira: None declared, Elsa Vieira-Sousa: None declared, Sofia C Barreira: None declared, Filipe Vinagre: None declared, Raquel Roque: None declared, Helena Santos Speakers bureau: AbbVie, Eli-Lilly, Janssen, Pfizer, Novartis, Nathalie Madeira: None declared, João Rovisco: None declared, Alexandra Daniel: None declared, Sofia Ramiro Grant/research support from: MSD, Consultant of: Abbvie, Lilly, Novartis, Sanofi Genzyme, Speakers bureau: Lilly, MSD, Novartis
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Pizzi MN, Fernandez-Hidalgo N, Cuellar-Calabria H, Aguade-Bruix S, Castell-Conesa J, Escobar M, Roque R. 194Initial assessment of the clinical impact and confirmation of the diagnostic ability of the 18F-FDG-PET/CTA prosthetic valve endocarditis. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez144.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- M N Pizzi
- Hospital Vall d"Hebron, Cardiology Department, Epidemiology Unit, Barcelona, Spain
| | - N Fernandez-Hidalgo
- University Hospital Vall d"Hebron, Infectious Diseases Department, Barcelona, Spain
| | - H Cuellar-Calabria
- University Hospital Vall d"Hebron, Radiology Department, Barcelona, Spain
| | - S Aguade-Bruix
- Universitary Hospital Vall d´Hebron, Nuclear Medicine Department, Barcelona, Spain
| | - J Castell-Conesa
- Universitary Hospital Vall d´Hebron, Nuclear Medicine Department, Barcelona, Spain
| | - M Escobar
- University Hospital Vall d"Hebron, Radiology Department, Barcelona, Spain
| | - R Roque
- University Hospital Vall d"Hebron, Radiology Department, Barcelona, Spain
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Rodríguez-Villar C, Paredes D, Roque R, Gelpi R, Ruíz A, Ventura-Aguiar P, Ferrer J, Diekmann F, Adalia R. Predictive and Comparative Study Between Clinic Consensus Document for Pancreas Acceptance and Predictive Value of Preprocurement Pancreas Allocation Suitability Score (P-PASS). Transplant Proc 2018; 51:365-368. [PMID: 30879542 DOI: 10.1016/j.transproceed.2018.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/23/2018] [Indexed: 11/17/2022]
Abstract
The strict selection of pancreas for transplant has forced the development of different documents to select the suitable organ in order to minimize the risks and complications of the transplant. In 2008, Eurotransplant published the Preprocurement Pancreas Allocation Suitability Score (P-PASS) for pretransplant selection. In 2001 the Hospital Clinic of Barcelona developed a Clinical Consensus Document (CCD). OBJECTIVES We aimed to analyze the predictive decision of the pancreas acceptance to offers received in the hospital, according to the CCD criteria and compare it with the recommended value of suitability for accepting the pancreas according to the P-PASS value. MATERIAL AND METHODS We performed a retrospective comparative study between the criteria of selection of the CCD for pancreas from 2016-2017 in comparison with the values obtained if the P-PASS had been used: ≤ 17, acceptance criteria and P-PASS; > 17, risk criteria. We defined the organ reported as rejected or accepted. The accepted organ could be procured and transplanted or discarded. RESULTS With the CCD criteria, 7 more organs were transplanted than if we only applied the potential P-PASS criteria. In contrast, P-PASS would have ruled out an additional 9% of pancreases in relation to CCD criteria. CONCLUSIONS According our experience, it is difficult to find an adequate prediction model to select pancreas for transplantation. The application of the DCC criteria increases the number of organs valid for transplantation. At present, new criteria should be re-evaluated within multicenter studies.
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Affiliation(s)
- C Rodríguez-Villar
- Donation and Transplant Coordination Section, Hospital Clinic, Barcelona, Spain.
| | - D Paredes
- Donation and Transplant Coordination Section, Hospital Clinic, Barcelona, Spain
| | - R Roque
- Donation and Transplant Coordination Section, Hospital Clinic, Barcelona, Spain
| | - R Gelpi
- Kidney Transplant Unit, Hospital Clinic, Barcelona, Spain
| | - A Ruíz
- Donation and Transplant Coordination Section, Hospital Clinic, Barcelona, Spain
| | | | - J Ferrer
- Hepatobiliopancreatic and Liver Transplant Department, Hospital Clinic, Barcelona, Spain
| | - F Diekmann
- Kidney Transplant Unit, Hospital Clinic, Barcelona, Spain
| | - R Adalia
- Donation and Transplant Coordination Section, Hospital Clinic, Barcelona, Spain
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Roque R, Rodríguez-Villar C, Ruíz A, Paredes D, Gelpi R, Rodríguez S, García FJ, Adalia R. Relatives' Perception After Tissue Donation Experience: Results of a Postdonation Phone Survey. Transplant Proc 2018; 49:2296-2298. [PMID: 29198664 DOI: 10.1016/j.transproceed.2017.10.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Postmortem tissue donation (TD) requires the establishment of strategies for family approach to clearly explain the characteristics of multi-tissue donation. In a tertiary university hospital with a long tradition of tissue generation, we designed a survey to be applied to tissue donor families to evaluate global hospital care, care from Transplant Coordinators (TC), quality and content of information given about TD, experience, and motivations after TD process. METHODOLOGY A prospective phone survey of 10 multiple-choice items was conducted to all TD relatives that agreed to donate one or more tissues. RESULTS From the 166 calls made to TD relatives, 75 (45%) were answered: 50 were cornea donors and 25 were multiple-tissues donors. None of the relatives denied participating, the rest were not found. No statistical differences in demographical variables were found between both types of TD. The hospital and TC care perception, the quality of the given information about the processes of TD, the postdonation experiences in terms of procedures, and the impression about body appearance for relatives regardless of the type of donation, corneas or multiple tissues, were evaluated as good or very good for most of the TD relatives. Our study showed that 83% of the family members would agree to donate again; 40% of the relatives were surprised to be offered the option to donate; 10% did not know if they would donate again. Solidarity was the leading reason for TD. CONCLUSION The relatives' perception of care is a critical component of the quality evaluation of the TD process. The global evaluation results support our strategies for family approach.
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Affiliation(s)
- R Roque
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain.
| | - C Rodríguez-Villar
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - A Ruíz
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - D Paredes
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - R Gelpi
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - S Rodríguez
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - F J García
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
| | - R Adalia
- Donation and Transplant Coordination Unit, Hospital Clínic Barcelona, Barcelona, Spain
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Oliveira Santos M, Roque R, Conceição I. Severe respiratory involvement in a young-onset limb-girdle muscular dystrophy 2A from Guinea-Bissau associated with a novel pathogenic mutation. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.184] [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]
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Roque R, Rodriguez-Villar C, Ruiz A, Paredes D, Gelpi R, Garcia X, Vizcaíno F, Saavedra S, Rodríguez S, Quijada M, Bohils M, Adalia R. Quality Assessment of Postmortem Tissue Donors in a University Hospital: Detection and Generation Tissue Indicators. Transplant Proc 2016; 48:2859-2861. [DOI: 10.1016/j.transproceed.2016.08.040] [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] [Received: 07/07/2016] [Accepted: 08/04/2016] [Indexed: 12/21/2022]
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Rodríguez-Villar C, Conget I, Ferrer-Fàbrega J, Paredes D, Ruíz A, Roque R, Rull R, López-Boado M, Ricart MJ, Garcia R, Adalia R. Successful Pancreas Transplantation From a Deceased Donor Intoxicated With Oral Antidiabetic Agent: A Case Report. Transplant Proc 2015; 47:2404-6. [PMID: 26518941 DOI: 10.1016/j.transproceed.2015.08.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Simultaneous kidney pancreas transplantation (SKP) is a common procedure for the patient with long-term type 1 diabetes mellitus (DM) with terminal renal failure. It is unusual to consider the pancreas from a deceased donor who died after an acute intoxication with oral antidiabetic agent (OAA), which would suggest an abnormal functionality of the organ and preclude the potential use of the graft. We present a case of a successful pancreatic transplantation from a donor who died of acute cerebral edema secondary to severe hypoglycemia induced by OAA acute intoxication.
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Affiliation(s)
| | - I Conget
- Unidad de Diabetes, Servicio de Endocrinología y Nutición, Barcelona, Spain
| | - J Ferrer-Fàbrega
- Cirugía Hepato-Bilio-Pancreática y Trasplante de Hígado y Páncreas, Barcelona, Spain
| | - D Paredes
- Sección de Donación y Coordinación de Trasplantes, Barcelona, Spain
| | - A Ruíz
- Sección de Donación y Coordinación de Trasplantes, Barcelona, Spain
| | - R Roque
- Sección de Donación y Coordinación de Trasplantes, Barcelona, Spain
| | - R Rull
- Cirugía Hepato-Bilio-Pancreática y Trasplante de Hígado y Páncreas, Barcelona, Spain
| | - M López-Boado
- Cirugía Hepato-Bilio-Pancreática y Trasplante de Hígado y Páncreas, Barcelona, Spain
| | - M J Ricart
- Unidad de Trasplante Renal, Barcelona, Spain
| | - R Garcia
- Cirugía Hepato-Bilio-Pancreática y Trasplante de Hígado y Páncreas, Barcelona, Spain
| | - R Adalia
- Sección de Donación y Coordinación de Trasplantes, Barcelona, Spain
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Pinheiro C, Roque R, Adriano A, Mendes P, Praça M, Reis I, Pereira T, Srebotnik Kirbis I, André S. Optimization of immunocytochemistry in cytology: comparison of two protocols for fixation and preservation on cytospin and smear preparations. Cytopathology 2014; 26:38-43. [DOI: 10.1111/cyt.12156] [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] [Accepted: 03/20/2014] [Indexed: 12/16/2022]
Affiliation(s)
- C. Pinheiro
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
| | - R. Roque
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
- Lisbon School of Health Technology; Lisbon Portugal
| | - A. Adriano
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
| | - P. Mendes
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
| | - M. Praça
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
- Polytechnic Institute of Porto; Porto Portugal
| | - I. Reis
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
| | - T. Pereira
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
| | - I. Srebotnik Kirbis
- Institute of Pathology; Faculty of Medicine; University of Ljubljana; Ljubljana Slovenia
| | - S. André
- Department of Anatomic Pathology; Portuguese Oncology Institute Francisco Gentil, EPE; Lisbon Portugal
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Ramiro S, Machado P, Roque R, Santos H, Polido-Pereira J, Peixoto D, Duarte C, Pimentel-Santos F, Silva C, Fonseca J, Teixeira F, Marques A, Araújo F, Branco J, da Silva J, Costa J, Pereira da Silva J, Miranda L, Canas da Silva J, Canhão H, van Tubergen A, van der Heijde D, Landewé R, Santos M. THU0283 Predictive factors of response at 12 weeks in patients with ankylosing spondylitis starting biological therapies - results from the portuguese register - REUMA.PT:. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Sousa SI, Gonçalves MJ, Roque R, Vinagre F, Cordeiro A, Godinho F, Saavedra MJ, Ramos F, Macieira C, Canhão H, Fonseca JE, da Silva C, Pereira da Silva JA, Santos MJ. SAT0559 Reuma.Pt/LES: the Experience of Two Central Hospitals in Lisbon. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Rodríguez-Villar C, Paredes D, Alberola M, Ruiz A, Roque R, Saavedra S, Vizcaino F, Portillo M, Bohils M, Adalia R. Perception of Transplant Coordinator Regarding Relatives' Attitude Toward Tissue Donation Request. Transplant Proc 2012; 44:2525-8. [DOI: 10.1016/j.transproceed.2012.09.071] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Vieira de Souza F, Roque R, Silva Moreira J, Resende de Souza M, Nicoli J, Neumann E, Cantini Nunes Á. Transfer of antibiotic resistance determinants between lactobacilli isolates from the gastrointestinal tract of chicken. Benef Microbes 2012; 3:137-44. [DOI: 10.3920/bm2011.0058] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The aim of this study was to assess the potential horizontal transfer of genetic traits for antibiotic resistance between lactobacilli isolated from the chicken gut, both in vitro and in vivo. Thirty-seven Lactobacillus spp. strains isolated from the gizzard, small and large intestines and caeca of free-range broiler chickens showed multi-drug resistance as assessed by disc diffusion assays. The minimum inhibitory concentration (MIC) for vancomycin, tetracycline, erythromycin and chloramphenicol was determined in De Man, Rogosa and Sharpe broth in a microplate assay. Almost all the lactobacilli isolates were resistant to vancomycin (except strains belonging to the Lactobacillus acidophilus group) and to tetracycline (MIC≥128 μg/ml). Only five strains were resistant to erythromycin, and six to chloramphenicol. The transfer rate in filter mating experiments performed using L. acidophilus strain 4M14E (EmR), Lactobacillus vaginalis strain 5M14E (CmR), Lactobacillus salivarius strain 5C14C (EmR), and the 4G14L and 3C14C strains of Lactobacillus reuteri (CmR) showed a frequency of approximately 1×104 cfu/ml of double-resistant transconjugants for the different combinations. The exception was the L. salivarius 5C14C (EmR) and L. vaginalis 5M14E (CmR) mating combination, which produced no transconjugants. In vivo experiments performed in gnotobiotic mice by mating L. acidophilus 4M14E (EmR) with L. reuteri 3C14C (CmR), L. reuteri 4G14L (CmR) or L. vaginalis 5M14E (CmR) resulted in transconjugants at 3.95±0.29, 3.16±0.33, and 4.55±1.52 log10 cfu/g of faeces, respectively. Taken together, these data suggest that genetic exchange may occur between native bacterial strains within the gastrointestinal tract of chickens, which might maintain a dynamic gene pool conferring antibiotic resistance upon indigenous microbiota components, even in the absence of the pathogens. This possibility must be taken into account as a complementary criterion when lactobacilli are screened for probiotic use.
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Affiliation(s)
- F. Vieira de Souza
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - R. Roque
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - J.L. Silva Moreira
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - M. Resende de Souza
- Departamento de Inspeção e Tecnologia de Produtos de Origem Animal, Universidade Federal de Minas Gerais, Escola de Veterinária, Campus Pampulha, Av. Antônio Carlos, 6627, 30123-970 Belo Horizonte, MG, Brazil
| | - J.R. Nicoli
- Instituto de Ciências Biológicas, Departamento de Microbiologia, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - E. Neumann
- Instituto de Ciências Biológicas, Departamento de Microbiologia, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Á. Cantini Nunes
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Campus Pampulha, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
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Roque R, Vinagre F, Cordeiro I, Gonçalves P, Bartolo E, Canas da Silva J, Santos MJ. [Rheumatic expression of secondary syphilis]. Acta Reumatol Port 2012; 37:175-179. [PMID: 23149640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Syphilis is a disease caused by Treponema pallidum infection with protean clinical manifestations. Musculoskeletal complaints are however uncommon and most of the time mild. Occasionally they can dominate the clinical picture and simulate a variety of rheumatic diseases. The authors present the clinical case of a 33-year-old woman who developed a lupus-like syndrome in the postpartum, characterized by polyarthritis, elevated acute phase reactants and positive antinuclear antibodies (ANA). Physical examination revealed a macular non-pruriginous skin rash involving the trunk, upper limbs and palms. The Rapid Plasma Reagin (RPR) and Treponema Pallidum Hemaglutination (TPHA) tests gave a positive result and the patient was diagnosed as secondary syphilis and medicated with 2.4 MU of benzathine penicillin intramuscular weekly for 3 weeks, with complete resolution of clinical signs and ANA negativation. The association of rash and arthritis may occur in several rheumatic diseases but in the presence of palmoplantar involvement, the possibility of syphilis infection should not be overlooked.
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Affiliation(s)
- R Roque
- Serviço de Reumatologia, Hospital Garcia de Orta EPE, Almada, Portugal.
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Roque R, Ramiro S, Vinagre F, Cordeiro A, Godinho F, Santos MJ, Gonçalves P, Canas da Silva J. [Mixed cryoglobulinemia]. Acta Reumatol Port 2011; 36:298-303. [PMID: 22113605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The authors describe two clinical cases of cryoglobulinemia. A 70 years old woman, having skin ulcers on lower limbs, arthralgias, paresthesias and constitutional symptoms, for about 10 months. Exams revealed mild anemia, elevation of the biological parameters of inflammation and aminotransferases, positive cryoglobulin and rheumatoid factor in serum, and a severe reduction in C4 complement fraction. Hepatitis C virus (HCV) serology was negative. Idiopathic mixed cryoglobulinemia was diagnosed and corticosteroid therapy started. Given the lack of response, cyclophosphamide and plasmapheresis were added. Two weeks later the patient died in septic shock. The second case refers to a 41 years old female, with untreated hepatitis C who developed over a 6 month period petechiae and livedoid lesions on the lower limbs, peripheral neuropathy, and constitutional symptoms and was admitted with intestinal necrosis. Exams were consistent with the diagnosis of mixed cryoglobulinemia associated, with HCV. She started therapy with ribavirin and pegylated interferon-alpha, with improvement.
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Affiliation(s)
- R Roque
- Serviço de Reumatologia, Hospital Garcia de Orta, Almada, Portugal.
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Roque R, Cravo AR, Godinho F, Tavares V, Gonçalves P, Canas da Silva J. [Myalgia of the girdle in the elderly: an uncommon etiology]. Acta Reumatol Port 2010; 35:76-80. [PMID: 20505632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We describe the clinical case of 80 years, caucasian woman, with personal history of osteoporosis and chronic normochromic normocytic anemia (NN). She had a three month history of myalgias of the girdle, stiffness in the morning, exceeding 1 hour, associated with inflammatory arthralgia of the small joints of hands and feet. Complementary exams showed normocytic normochromic anemia with Hg 9.8 g/dL; ESR 44 mm/h; CRP 7 mg/dL. Given the profile suggestive of Polymyalgia Rheumatica started prednisolone 10 mg/day with favorable clinical response. Four months after treatment she started paresthesias of right hand and foot, polaquiuria, petequial lesions in lower limbs and inability to walk; there was worsening of anemia and elevation of the biological parameters of inflammation, beginning of renal insufficiency with creatinine clearance 22 ml/min, proteinuria and eritrocituria. Renal biopsy was compatible with Wegener's granulomatosis/microscopic poliangeite. Vasculitis is a rare disease of the elderly and its clinical presentation is varied. The arteritis of giant cells and Polymyalgia Rheumatica are more common in the elderly. It is not often Polymyalgia-like presentation in cases of Wegener's granulomatosis/microscopic polyangitis.
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Affiliation(s)
- R Roque
- Serviço de Reumatologia do Hospital Garcia de Orta, Almada.
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Sena A, Couderc R, Ferret-Sena V, Pedrosa R, Andrade ML, Araujo C, Roque R, Cascais MJ, Morais MG. Apolipoprotein E polymorphism interacts with cigarette smoking in progression of multiple sclerosis. Eur J Neurol 2009; 16:832-7. [PMID: 19473356 DOI: 10.1111/j.1468-1331.2009.02603.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [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 AND PURPOSE The influence of apolipoprotein E (ApoE) polymorphism on clinical severity of multiple sclerosis (MS) is still controversial. Cigarette smoking has been suggested to influence the progression of disability in these patients. In this study, we aimed to investigate whether an interaction of smoking with the ApoE polymorphism influences the progression of disability in MS patients. METHODS Smoking history from 205 female patients with MS was obtained. Clinical data collected include age at onset, disease duration, annual relapse rate, the Expanded Disability Status Scale (EDSS) and the Multiple Sclerosis Severity Score (MSSS). ApoE polymorphism was examined in all patients and stratified according to smoking status and associations with the clinical data investigated. RESULTS There were no significant associations between cigarette smoking and any of the clinical characteristics in the whole group of patients. In women carrying the ApoE E4 isoform, smokers had a lower EDSS (P = 0.033) and MSSS (P = 0.023) in comparison with non-smokers. CONCLUSION Our data suggest that in women with MS carrying the ApoE E4 isoform, cigarette smoking may have a protective influence on disease progression and accumulation of disability. These findings need to be confirmed by future large longitudinal studies.
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Affiliation(s)
- A Sena
- Department of Biochemistry, Faculty of Medical Sciences, UNL, Lisbon, Portugal.
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Sena A, Pedrosa R, Ferret-Sena V, Cascais MJ, Roque R, Araújo C, Couderc R. Interferon β therapy increases serum ferritin levels in patients with relapsing-remitting multiple sclerosis. Mult Scler 2008; 14:857-9. [DOI: 10.1177/1352458508089687] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Serum ferritin levels have been found to be increased in patients with active progressive multiple sclerosis (MS). However, its levels are reported to be unchanged in stable and in active relapsing-remitting (RR) form of the disease. No research to date has assessed the influence of interferon β (IFN-β) on ferritin concentrations. In this study, serum ferritin levels were measured in 43 individuals with RR-MS and 38 age- and sex-matched control volunteers. There were no significant differences between controls and patients under stable and untreated conditions. In patients at 12 months after the beginning of IFN-β therapy, ferritin levels were higher in women and in men, in comparison with baseline (71.4 ± 58.6 vs 43.4 ± 29.9 ng/mL, P = 0.0006 and 216.0 ± 124.3 vs 127.8 ± 74.9 ng/mL, P = 0.0022, respectively). These results suggest that larger prospective studies are required to evaluate the role of serum ferritin in MS and its potential usefulness in monitoring responses to immunomodulatory therapies.
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Affiliation(s)
- A Sena
- Departamento de Bioquimica, Faculdade de Ciencias Médicas, Lisbon, Portugal; Service de Neurologia, Hospital dos Capuchos, Lisboa, Portugal,
| | - R Pedrosa
- Service de Neurologia, Hospital dos Capuchos, Lisboa, Portugal
| | - V Ferret-Sena
- Departmento de Fisiologia, Cooperative Egas Moniz, Monte da Caparica, Portugal
| | - MJ Cascais
- Departamento de Bioquimica, Faculdade de Ciencias Médicas, Lisbon, Portugal
| | - R Roque
- Service de Neurologia, Hospital dos Capuchos, Lisboa, Portugal
| | - C Araújo
- Service de Neurologia, Hospital dos Capuchos, Lisboa, Portugal
| | - R Couderc
- Laboratoire de Biochimie, Hôpital Trousseau AP-HP, Paris, France
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Abstract
TACI-Ig is a soluble glycoprotein comprised of a human IgG1-Fc fused with the extracellular domain of the human TACI receptor. Chronic exposure to TACI-Ig is associated with reduced circulating B cells in mouse and non-human primates, and a concomitant decrease in circulating immunoglobulin. Because of these activities, TACI-Ig is in clinical evaluation for treatment of various autoimmune diseases and B cell malignancies. In this study, the effect of TACI-Ig treatment on the ability of C57Bl/6 mice to clear influenza virus was evaluated. C57Bl/6 mice were exposed to vehicle (negative control), dexamethasone (positive control), or TACI-Ig (0.05, 0.50, or 5.0 mg/kg, SC, thrice weekly) from within one week prior to viral exposure through 21 days thereafter. Dexamethasone treatment of influenza-infected mice prolonged the infection, and decreased survival, body weight, lymphoid organ weight, influenza-specific IgM and IgG, and viral clearance relative to control animals, consistent with its expected immunosuppressive activity. Animals treated with TACI-Ig (0.05, 0.50, and 5.0 mg/kg) demonstrated a dose-dependent decrease in spleen weight and influenza-specific IgG and IgM in both lung and serum relative to control animals. In addition, flow cytometric analyses showed a decrease in B cells, but not T cells, in peripheral blood in animals treated with TACI-Ig. However, neither viral clearance nor survival was affected by TACI-Ig treatment. These data demonstrate the expected B cell-specific pharmacological effects of TACI-Ig in influenza-challenged C57Bl/6 mice without apparent effect on influenza virus clearance. It is concluded that non-B cell related antiviral competence remains intact during TACI-Ig treatment.
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Affiliation(s)
- R Roque
- ZymoGenetics Inc, Seattle, WA 98102, USA.
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Hughes SD, Krejsa C, Wagner F, Heffernan J, Henderson K, Roque R, Ponce R, Kindsvogel W, Sievers E, Rogge M. IL-21 enhancement of rituximab-mediated B cell depletion. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.2568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Gross JA, Dillon SR, Mudri S, Johnston J, Littau A, Roque R, Rixon M, Schou O, Foley KP, Haugen H, McMillen S, Waggie K, Schreckhise RW, Shoemaker K, Vu T, Moore M, Grossman A, Clegg CH. TACI-Ig neutralizes molecules critical for B cell development and autoimmune disease. impaired B cell maturation in mice lacking BLyS. Immunity 2001; 15:289-302. [PMID: 11520463 DOI: 10.1016/s1074-7613(01)00183-2] [Citation(s) in RCA: 463] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BLyS and APRIL have similar but distinct biological roles, mediated through two known TNF receptor family members, TACI and BCMA. We show that mice treated with TACI-Ig and TACI-Ig transgenic mice have fewer transitional T2 and mature B cells and reduced levels of circulating immunoglobulin. TACI-Ig treatment inhibits both the production of collagen-specific Abs and the progression of disease in a mouse model of rheumatoid arthritis. In BLyS-deficient mice, B cell development is blocked at the transitional T1 stage such that virtually no mature B cells are present, while B-1 cell numbers are relatively normal. These findings further elucidate the roles of BLyS and APRIL in modulating B cell development and suggest that BLyS is required for the development of most but not all mature B cell populations found in the periphery.
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Affiliation(s)
- J A Gross
- Department of Immunology, 1201 Eastlake Avenue East, Seattle, WA 98102, USA.
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Abstract
alpha-Dystroglycan (alpha -DG) is a laminin/agrin receptor expressed in skeletal muscle as well as in nervous system and other tissues. Glycosylation of the core protein of alpha-DG is extensive, variable from tissue to tissue, and functionally relevant. To address differential glycosylation of alpha-DG in the retina, we have investigated the distribution of this protein using two different antibodies: 1B7 directed against the core protein of alpha-dystroglycan, and IIH6 directed against a carbohydrate moiety (Ervasti and Campbell [1993] J Cell Biol 122:809-823). Monoclonal antibody 1B7 recognizes a broader band than IIH6, which seems to recognize only a subset of alpha-DG forms in retina. These data reflect the existence of differentially glycosylated isoforms of alpha-DG. Monoclonal antibody 1B7 shows an extensive staining for alpha-DG in the inner limiting membrane as well as in the ganglion cell and inner plexiform layers labeling Müller cell processes, whereas monoclonal antibody IIH6 staining is restricted to the inner limiting membrane and blood vessels. Our data indicate that there are distinct isoforms of alpha-DG that are localized in apposition to basal lamina in the inner limiting membrane and blood vessels or within the parenchyma of the retina along Müller glia. Both isoforms are expressed in a Müller cell line in culture and coimmunoprecipitate with beta-dystroglycan. These data suggest that DGs may participate in organizing synapses and basement membrane assembly in the retina.
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Affiliation(s)
- H Moukhles
- Centre for Research in Neuroscience, McGill University and Montreal General Hospital Research Institute, Montreal, Quebec H3G 1A4, Canada
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Claveria FG, Petersen B, Macabagdal MR, Farolan RJ, Farrol MA, Gonzalvo F, Cadiz R, Ajero R, Roque R, Lozano G. A survey of bovine, bubaline and swine sarcocystosis in the Philippines. Southeast Asian J Trop Med Public Health 1998; 28 Suppl 1:173-8. [PMID: 9656372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In a survey conducted from January to December, 1994, muscle tissues in 12 out of 22 slaughtered carabaos ages 8-17 years old and obtained from the Food Terminal Inc, Abbatoir in Laguna showed numerous white and creamy elliptic-shaped soft bodied macrocysts in the throat muscles. Microscopic examination of the throat and cardiac muscle tissues revealed the presence of fusiform-shaped microcysts. Our observations are consistent with previous reports incriminating Sarcocystis fusiformis as the most important etiologic agent of bubaline sarcocystosis in the country. In a survey of bovine sarcocystosis in muscle tissues of imported Australian cattle (Brahman Breed) and native cattle obtained from various slaughter houses in Manila and suburbs, prevalence rates of 17% (98/577) and 3% (1/31) were noted, respectively. Sarcocysts were predominant in skeletal muscles and to a lesser extent in cardiac, esophageal and diaphragm muscle tissues. Light microscopic examination of sarcocysts morphology suggests Sarcocystis cruzi (= Sarcocystis bovis), and Sarcocystis hominis (= Sarcocystis bovihominis) or Sarcocystis hirsuta (= Sarcocystis bovifelis) as the likely etiologic agents of bovine sarcocystosis in the country. Of the 225 swines examined, only muscle tissues from a 6-month old swine revealed very young sarcocysts (= metrocytes). A review of available documented studies on sarcocystosis suggests that to date, our findings may represent the first data on the prevalence of bovine and swine sarcocystosis in the Philippines.
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Affiliation(s)
- F G Claveria
- Biology Department, De La Salle University, Manila, Philippines
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Allison WA, Roque R. Musculoskeletal disorders in female veterans: a survey. J Natl Med Assoc 1991; 83:65-7. [PMID: 1994068 PMCID: PMC2627003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This study discusses age distribution, outpatient clinic visits, and diagnoses of female veterans with trauma-related musculoskeletal conditions. From 1981 to 1988, data were collected of female veterans seen for treatment or examination of compensation awards. Their prevalent musculoskeletal disorders were of the back, feet, and knees. This study served as a means of preparation for the anticipated changing needs of these patients when ambulatory.
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