1
|
Branco AC, Santos T, Bessa LJ, Barahona I, Polido M, Colaço R, Serro AP, Figueiredo-Pina CG. Optimized 3D printed zirconia-reinforced leucite with antibacterial coating for dental applications. Dent Mater 2024; 40:629-642. [PMID: 38369404 DOI: 10.1016/j.dental.2024.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 01/17/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
OBJECTIVES This study aims to produce by robocasting leucite/zirconia pieces with suitable mechanical and tribological performance, convenient aesthetics, and antibacterial properties to be used in dental crown replacement. METHODS Leucite pastes reinforced with 12.5%, 25%, and 37.5% wt. ZrO2 nanoparticles were prepared and used to print samples that after sintering were characterized in terms of density, shrinkage, morphology, porosity, mechanical and tribological properties and translucency. A coating of silver diamine fluoride (SDF) and potassium iodide (KI) was applied over the most promising material. The material's antibacterial activity and cytotoxicity were assessed. RESULTS It was found that the increase of ZrO2 reinforcement up to 25% enhanced both microhardness and fracture toughness of the sintered composite. However, for a superior content of ZrO2, the increase of the porosity negatively affected the mechanical behaviour of the composite. Moreover, the composite with 25% ZrO2 exhibited neglectable wear in chewing simulator tests and induced the lowest wear on the antagonist dental cusps. Although this composite exhibited lower translucency than human teeth, it was three times higher than the ZrO2 glazed material. Coating this composite material with SDF+KI conferred antibacterial properties without inducing cytotoxicity. SIGNIFICANCE Robocasting of leucite reinforced with 25% ZrO2 led to best results. The obtained material revealed superior optical properties and tribomechanical behaviour compared to glazed ZrO2 (that is a common option in dental practice). Moreover, the application of SDF+KI coating impaired S. aureus proliferation, which anticipates its potential benefit for preventing pathogenic bacterial complications associated with prosthetic crown placement.
Collapse
Affiliation(s)
- A C Branco
- CQE, Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CDP2T, Centro de Desenvolvimento de Produto e Transferência de Tecnologia, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal; CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal
| | | | - L J Bessa
- CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal
| | - I Barahona
- CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal
| | - M Polido
- CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal
| | - R Colaço
- IDMEC e Departamento de Engenharia Mecânica, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - A P Serro
- CQE, Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal.
| | - C G Figueiredo-Pina
- CDP2T, Centro de Desenvolvimento de Produto e Transferência de Tecnologia, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal; CiiEM, Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health & Science, Almada, Portugal; CeFEMA, Centro de Física e Engenharia de Materiais Avançados, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| |
Collapse
|
2
|
Branco AC, Silva R, Jorge H, Santos T, Lorenz K, Polido M, Colaço R, Serro AP, Figueiredo-Pina CG. Corrigendum to "Tribological performance of the pair human teeth vs 3D printed zirconia: An in vitro chewing simulation study" [J. Mech. Behav. Biomed. Mater. 110 (2020) 103900]. J Mech Behav Biomed Mater 2023; 147:106041. [PMID: 37544794 DOI: 10.1016/j.jmbbm.2023.106041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Affiliation(s)
- A C Branco
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal
| | - R Silva
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - H Jorge
- Centro Tecnológico da Cerâmica e Do Vidro (CTCV), Coimbra, Portugal
| | | | - K Lorenz
- INESC-MN, IPFN, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - M Polido
- CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal
| | - R Colaço
- IDMEC e Departamento de Engenharia Mecânica, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - A P Serro
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal.
| | - C G Figueiredo-Pina
- CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal; CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal; CeFEMA, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| |
Collapse
|
3
|
Branco AC, Silva R, Santos T, Jorge H, Rodrigues AR, Fernandes R, Bandarra S, Barahona I, Matos APA, Lorenz K, Polido M, Colaço R, Serro AP, Figueiredo-Pina CG. Corrigendum to "Suitability of 3D printed nanostructured zirconia pieces for dental applications" [Dent Mater 36 (2020) 442-455]. Dent Mater 2023; 39:861. [PMID: 37544861 DOI: 10.1016/j.dental.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Affiliation(s)
- A C Branco
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal
| | - R Silva
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | | | - H Jorge
- Centro Tecnológico da Cerâmica e do Vidro (CTCV), Coimbra, Portugal
| | - A R Rodrigues
- CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal
| | - R Fernandes
- CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal
| | - S Bandarra
- CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal
| | - I Barahona
- CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal
| | - A P A Matos
- CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal
| | - K Lorenz
- INESC-MN, IPFN, Instituto Superior Técnico, Universidade de Lisboa, Bobadela, Portugal
| | - M Polido
- CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal
| | - R Colaço
- IDMEC e Departamento de Engenharia Mecânica, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - A P Serro
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal.
| | - C G Figueiredo-Pina
- CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal; CiiEM, Instituto Universitário Egas Moniz, Monte de Caparica, Portugal; CeFEMA, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| |
Collapse
|
4
|
Carneiro M, Maia I, Cunha P, Guerra I, Magina T, Santos T, Schulze P, Pereira H, Malcata F, Navalho J, Silva J, Otero A, Varela J. Effects of LED lighting on Nannochloropsis oceanica grown in outdoor raceway ponds. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102685] [Citation(s) in RCA: 1] [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: 11/17/2022]
|
5
|
Capitão C, Coutinho D, Neves P, Capelas M, Pimenta N, Santos T, Mäkitie A, Ravasco P. Protein intake and muscle mass maintenance in patients with cancer types with high prevalence of sarcopenia: a systematic review. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
6
|
Coutinho D, Capitão C, Pimentel F, Neves P, Capelas M, Santos T, Ravasco P. Nutritional interventions to increase firmicutes and/or bacteroidetes in healthy adults: a systematic review. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
7
|
|
8
|
Saraiva M, Fonseca L, Santos T, Vilaverde J, Pereira MT, Pichel F, Pinto C, Almeida MC, Dores J. Mild periconceptional hyperglycemia: predictor of adverse fetomaternal outcomes in gestational diabetes? Acta Diabetol 2021; 58:1209-1215. [PMID: 33856590 DOI: 10.1007/s00592-021-01714-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/30/2021] [Indexed: 12/16/2022]
Abstract
AIM To clarify whether mild first trimester hyperglycaemia (characteristic of early-onset GDM) is associated with higher incidence of congenital malformations and other adverse fetomaternal outcomes compared to women with second trimester hyperglycaemia (later-onset GDM). DESIGN AND METHODS We analyzed the Portuguese National GDM database, containing data collected between 2011 and 2017. Two study groups were defined: Group 1-Women with GDM diagnosed during the first trimester (with fasting glycemia ≥ 92 and < 126 mg/dL); Group 2-Women with GDM diagnosed after the first 12 weeks of gestation, with either fasting glycemia or oral glucose tolerance test, according to the International Association of Pregnancy and Diabetes Study Group criteria. The fetomaternal characteristics of each group were compared. RESULTS A total of 18.518 pregnant women diagnosed with GDM were included which 34.4% of them belonged to Group 1. Pregnant women from this group were significantly younger and had a higher median BMI than the women from the other group. Overall, there was no significant differences in maternal morbidity parameters between groups. Non-evolutive pregnancies were significantly more frequent along the present gestation in the group 1 (1.1% vs. 0.1%, p < 0.001), as was fetal death (0.6% vs. 0.2%, p < 0.001). Congenital malformations did not differ significantly between groups (3.2% vs. 2.8%, p = 0.155). CONCLUSIONS The mild near conceptional hyperglycaemic state characteristic of an early-onset GDM seems to be associated with an increased prevalence of non-evolutive pregnancies and foetal deaths when compared to later-onset GDM.
Collapse
Affiliation(s)
- M Saraiva
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal.
| | - L Fonseca
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - T Santos
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - J Vilaverde
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - M T Pereira
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - F Pichel
- Department of Nutrition, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - C Pinto
- Department of Gynecology and Obstetrics, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| | - M C Almeida
- On Behalf of the Pregnancy and Diabetes Study Group of the Portuguese Diabetes Society, Coimbra, Portugal
| | - J Dores
- Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar E Universitário Do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal
| |
Collapse
|
9
|
Brito A, Santos T, Herculano K, Miranda M, Sá AK, Carvalho JL, Albertini R, Castro-Faria-Neto H, Ligeiro-de-Oliveira AP, Aimbire F. The MAPKinase Signaling and the Stimulatory Protein-1 (Sp1) Transcription Factor Are Involved in the Phototherapy Effect on Cytokines Secretion from Human Bronchial Epithelial Cells Stimulated with Cigarette Smoke Extract. Inflammation 2021; 44:1643-1661. [PMID: 33730343 DOI: 10.1007/s10753-021-01448-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/01/2019] [Accepted: 03/07/2021] [Indexed: 10/21/2022]
Abstract
The present study was aimed to investigate the phototherapy effect with low-level laser on human bronchial epithelial cells activated by cigarette smoke extract (CSE). Phototherapy has been reported to actuate positively for controlling the generation/release of anti-inflammatory and pro-inflammatory mediators from different cellular type activated by distinct stimuli. It is not known whether the IL-8 and IL-10 release from CSE-stimulated human bronchial epithelium (BEAS) cells can be influenced by phototherapy. Human bronchial epithelial cell (BEAS) line was cultured in a medium with CSE and irradiated (660 nm) at 9 J. Apoptosis index was standardized with Annexin V and the cellular viability was evaluated by MTT. IL-8, IL-10, cAMP, and NF-κB were measured by ELISA as well as the Sp1, JNK, ERK1/2, and p38MAPK. Phototherapy effect was studied in the presence of mithramycin or the inhibitors of JNK or ERK. The IL-8, cAMP, NF-κB, JNK, p38, and ERK1/2 were downregulated by phototherapy. Both the JNK and the ERK inhibitors potentiated the phototherapy effect on IL-8 as well as on cAMP secretion from BEAS. On the contrary, IL-10 and Sp1 were upregulated by phototherapy. The mithramycin blocked the phototherapy effect on IL-10. The results suggest that phototherapy has a dual effect on BEAS cells because it downregulates the IL-8 secretion by interfering with CSE-mediated signaling pathways, and oppositely upregulates the IL-10 secretion through of Sp1 transcription factor. The manuscript provides evidence that the phototherapy can interfere with MAPK signaling via cAMP in order to attenuate the IL-8 secretion from CSE-stimulated BEAS. In addition, the present study showed that phototherapy effect is driven to downregulation of the both the IL-8 and the ROS secretion and at the same time the upregulation of IL-10 secretion. Besides it, the increase of Sp-1 transcription factor was crucial for laser effect in upregulating the IL-10 secretion. The dexamethasone corticoid produces a significant inhibitory effect on IL-8 as well as ROS secretion, but on the other hand, the corticoid blocked the IL-10 secretion. Taking it into consideration, it is reasonable to suggest that the beneficial effect of laser therapy on lung diseases involves its action on unbalance between pro-inflammatory and anti-inflammatory mediators secreted by human bronchial epithelial cells through different signaling pathway.
Collapse
Affiliation(s)
- A Brito
- Pos-graduation in Biophotonic, University Nove de Julho - Uninove, São Paulo, São Paulo, Brazil
| | - T Santos
- Pos-graduation in Biophotonic, University Nove de Julho - Uninove, São Paulo, São Paulo, Brazil
| | - K Herculano
- Pos-graduation in Biophotonic, University Nove de Julho - Uninove, São Paulo, São Paulo, Brazil
| | - M Miranda
- Pos-graduation in Biophotonic, University Nove de Julho - Uninove, São Paulo, São Paulo, Brazil
| | - A K Sá
- Department of Science and Technology, Institute of Science and Technology, Federal University of São Paulo - UNIFESP, Rua Talim, no. 330 - Vila Nair, CEP: 12231-280, São José dos Campos, São Paulo, Brazil
| | - J L Carvalho
- Department of Science and Technology, Institute of Science and Technology, Federal University of São Paulo - UNIFESP, Rua Talim, no. 330 - Vila Nair, CEP: 12231-280, São José dos Campos, São Paulo, Brazil
| | - R Albertini
- Department of Science and Technology, Institute of Science and Technology, Federal University of São Paulo - UNIFESP, Rua Talim, no. 330 - Vila Nair, CEP: 12231-280, São José dos Campos, São Paulo, Brazil
| | - H Castro-Faria-Neto
- Laboratory of Immunopharmacology, Oswaldo Cruz Foundation - FioCruz, Rio de Janeiro, Rio de Janeiro, Brazil
| | - A P Ligeiro-de-Oliveira
- Pos-graduation in Biophotonic, University Nove de Julho - Uninove, São Paulo, São Paulo, Brazil
| | - Flávio Aimbire
- Department of Science and Technology, Institute of Science and Technology, Federal University of São Paulo - UNIFESP, Rua Talim, no. 330 - Vila Nair, CEP: 12231-280, São José dos Campos, São Paulo, Brazil.
| |
Collapse
|
10
|
Leite RA, Costa A, Santos T, Colón M. Simulation of huntington’s disease in forensic psychiatry: Case report. Eur Psychiatry 2021. [PMCID: PMC9480311 DOI: 10.1192/j.eurpsy.2021.1896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Huntington Disease (HD) is an autosomal-dominant, neurodegenerative disorder, with a progressive course, that typically involves a triad of cognitive, motor and psychiatric disorders. Its pathogenic mechanisms are not fully understood, although a faultily encoded version of the protein huntingtin—resulting from a cytosine-adenine-guanine (CAG) trinucleotide expansion in the HTT gene—has been shown to cause intracellular toxicity in neural tissue. Patients usually presents with prodromic psychiatric perturbances, such as depression, delusions or personality changes. Occasionally HD gives rise to criminal behavior. Objectives To understand HD clinical presentation and underlines the differencial diagnosis. We present a case of a 31-year-old male offender, whose mother was diagnosed with HD, and during his forensic-psychiatric evaluation, HD was considered, but not confirmed. Methods Case report. Results A 31-year-old male offender was under a forensic-psychiatric evaluation due to a crime of domestic violence, after he discovers that his wife had an affair. He reports previous personality changes and depression, and compares himself with his mother, stating she was diagnosed with HD due to psychiatric prodromic disturbances. He shows concern about having a disease, and was waiting for genetic test result. After a clinical evaluation, and despite a family history of HD and genetic suspicion, it was important to consider differential diagnosis. The case refers to a passionate crime, which attempted to simulate a HD, considering his genetic background. Conclusions Psychometrically identifiable features in HD appear to be important in the context of analyzing circumstances occasioning criminal acts, but the medical history is the most important part of the examination. Disclosure No significant relationships.
Collapse
|
11
|
Torres A, Santos I, Rosa C, Monteiro S, Rodrigues F, Figueiredo A, Santos T, Ribeiro O, Queirós A, Pereira A, Silva C. Integrated efforts to promote mental health care during the SARS-CoV-2 pandemic: Reflecting on the experience of a university helpline. Eur Psychiatry 2021. [PMCID: PMC9528517 DOI: 10.1192/j.eurpsy.2021.749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction The SARS-CoV-2 pandemic is affecting numerous dimensions of our society since the beginning of the outbreak. A significant increase in emotional distress was expected in the general population, particularly among the high-risk groups such as the oldest, chronic patients, healthcare professionals, and psychopathology vulnerable people. There was an urgent need to adapt and create solutions to promote mental health. Given the recommendations to minimize face-to-face interactions, several helplines were widely developed. Objectives In this work, we aim to reflect on the experience of a university helpline, that integrated efforts with the regional mental health care services. Methods
A University helpline was created to give support to the regional community outside academia. The team was created on an online teamwork platform, to communicate through the chat, carry videoconference meetings, and store useful files. A Manchester screening decision tree was adopted, to define a set of guidelines to provide support to the callers, based mainly on the guidelines defined by the Order of Portuguese Psychologists. Liaison with the mental health care services, including other specific helplines, was established. Results Notwithstanding all the efforts, the number of received calls was scarce, similarly to helplines created by other national universities and by other entities. Conclusions A new approach to psychological intervention in crisis is needed, maintaining integrated efforts, and taking advantage of the opportunity to foster personalized mental health care in the digital era. It is important to continuously assess the value of integrated efforts in patient care and to the healthcare system.
Collapse
|
12
|
Sciuti V, Hild F, Pandolfelli V, Santos T, Smaniotto B, Canto R. Digital image correlation applied to in situ evaluation of surface cracks upon curing of MgO-containing refractory castables. Ann Ital Chir 2021. [DOI: 10.1016/j.jeurceramsoc.2020.04.055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
13
|
Costa L, Martins D, Clarimundo L, Neves P, Santos T, Capelas M, Cruz J, Carrondo A, Ravasco P. Ambulatory oncologic therapy and nutritional impact: a steering role for pharmaceutical intervention? Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2020.09.462] [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]
|
14
|
Branco AC, Silva R, Jorge H, Santos T, Lorenz K, Polido M, Colaço R, Serro AP, Figueiredo-Pina CG. Tribological performance of the pair human teeth vs 3D printed zirconia: An in vitro chewing simulation study. J Mech Behav Biomed Mater 2020; 110:103900. [PMID: 32957205 DOI: 10.1016/j.jmbbm.2020.103900] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 05/04/2020] [Accepted: 05/30/2020] [Indexed: 11/17/2022]
Abstract
This study aims to evaluate the tribological performance of the pair human teeth/robocasted zirconia, with a special focus on the enamel wear mechanisms. Zirconia pieces produced by robocasting (RC) and unidirectional compression (UC) were compared in terms of crystalline structure, density, porosity, hardness and toughness. Chewing simulation tests were performed against human dental cusps. The cusps wear was quantified and the wear mechanisms identified. Although most of the properties of UC and RC samples are similar, differences were observed for surface roughness and porosity. Although the samples did not suffer wear, the antagonist cusps worn in a similar way. In conclusion, robocasting seems a promising technique to produce customized zirconia dental pieces, namely in what concerns the overall tribological behaviour.
Collapse
Affiliation(s)
- A C Branco
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal
| | - R Silva
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - H Jorge
- Centro Tecnológico da Cerâmica e Do Vidro (CTCV), Coimbra, Portugal
| | | | - K Lorenz
- INESC-MN, IPFN, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - M Polido
- CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal
| | - R Colaço
- IDMEC e Departamento de Engenharia Mecânica, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - A P Serro
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal.
| | - C G Figueiredo-Pina
- CDP2T, Escola Superior de Tecnologia de Setúbal, Instituto Politécnico de Setúbal, Setúbal, Portugal; CiiEM, Escola Superior de Saúde Egas Moniz, Monte de Caparica, Portugal; CeFEMA, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| |
Collapse
|
15
|
Fornereto APN, Ogata MN, Santos TA, Franceschini ABC, Pinto MCRLR, Silva MV, Souza R, Souza V, Malvezzi E. Continuing Education in Health: interprofessional practices in the field of Collective Health. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.421] [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: 11/14/2022] Open
Abstract
Abstract
Family Health Support Centres (NASFs, in Portuguese) aim to develop interprofessional practices anchored in the assumptions of Primary Health Care, guided by the criteria of shared care specific professional interventions, management processes, interdisciplinarity, intersectoriality, Continuing Education in Health and health promotion. This health management methodology (Matrix Support) still represents a challenge to workers and managers, as it switches the logic of clinical thought from individual-centred, ambulatory and disciplinary care to collective, territory and interdisciplinary care. This study might illustrate and allow sharing of experiences about a work management format for multidisciplinary teams in Primary Health Care. A partnership between the University and the state health department was established in order to elaborate a collaborative, educational and supportive action. We formed a group of workers in the target area (24 municipalities and 18 teams) who had a focus on Continuing Education in Health using Institutional Analysis as theoretical reference. The main goal of the action was to provide spaces to share experiences and learning in the perspective of Continuing Education in Health. How does Continuing Education in Health support interprofessional practices in the field of Collective Health? Among the main results, we list: reflection about organisation practices of multiprofessional work, reflection about care practices and clinic management in the technical-assistance and pedagogic perspectives of Matrix Support; encouragement to improve the services offered in this level of care and their relationship with other points of the network. This experience showed us the importance of three main aspects: Continuing Education in Health, as a strategy of critical analysis about work and workers; the partnership and integration between teaching and service; and interprofessional formation processes (necessary to NASF and Collective Health).
Key messages
Continuing Education in Health is a strategy to deal with challenges and possibilities of interprofessional practices in the field of Collective Health. Enabling experiences and providing spaces for health professionals to share experience and learning.
Collapse
Affiliation(s)
- A P N Fornereto
- Departamento de Terapia Ocupacional, Universidade Federal de São Carlos, São Carlos, Brazil
| | - M N Ogata
- Programa de Pós-graduação em Ciência, tecnologia e Sociedade, Universidade Federal de São Carlos, São Carlos, Brazil
| | - T A Santos
- Departamento de Terapia Ocupacional, Universidade Federal de São Carlos, São Carlos, Brazil
| | - A B C Franceschini
- Departamento Regional de Saúde III, Secretaria Estadual de Saúde, Araraquara, Brazil
| | - MCRLR Pinto
- Departamento Regional de Saúde III, Secretaria Estadual de Saúde, Araraquara, Brazil
| | - M V Silva
- Departamento Regional de Saúde III, Secretaria Estadual de Saúde, Araraquara, Brazil
| | - R Souza
- Departamento Regional de Saúde III, Secretaria Estadual de Saúde, Araraquara, Brazil
| | - V Souza
- Departamento Regional de Saúde III, Secretaria Estadual de Saúde, Araraquara, Brazil
| | - E Malvezzi
- Programa de Pós-graduação em Ciência, tecnologia e Sociedade, Universidade Federal de São Carlos, São Carlos, Brazil
| |
Collapse
|
16
|
Santos T. Hospital Collaboration with Local Health Departments on Community Health Improvement Activities: Is the Whole More Effective Than the Sum of Its Parts? Health Serv Res 2020. [DOI: 10.1111/1475-6773.13514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
- T. Santos
- Colorado School of Public Health Aurora CO United States
| |
Collapse
|
17
|
Branco A, Silva R, Santos T, Jorge H, Rodrigues A, Fernandes R, Bandarra S, Barahona I, Matos A, Lorenz K, Polido M, Colaço R, Serro A, Figueiredo-Pina C. Suitability of 3D printed pieces of nanocrystalline zirconia for dental applications. Dent Mater 2020; 36:442-455. [PMID: 32001023 DOI: 10.1016/j.dental.2020.01.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/05/2019] [Accepted: 01/14/2020] [Indexed: 01/25/2023]
Abstract
OBJECTIVES The main goal of this work is to evaluate the suitability of nanostructured zirconia pieces obtained by robocasting additive manufacturing (AM), for dental applications. METHODS The density, crystalline structure, morphology/porosity, surface roughness, hardness, toughness, wettability and biocompatibility of the produced samples were compared with those of samples obtained by conventional subtractive manufacturing (SM) of a similar commercial zirconia material. Chewing simulation studies were carried out against dental human cusps in artificial saliva. The wear of the material was quantified and the wear mechanisms investigated, as well as the influence of glaze coating. RESULTS AM samples, that revealed to be biocompatible, are slightly less dense and more porous than SM samples, showing lower hardness, toughness and wettability than SM samples. After chewing tests, no wear was found both on AM and SM samples. However, the dental wear was significantly lower when AM samples were used as counterbody. Concerning the glazed samples, both coated surfaces and dental cusps suffered wear, being the cusps' wear higher than that found for unglazed samples. More, cusps tested against AM coated samples suffered less wear comparatively to those opposed to SM coated samples. SIGNIFICANCE Overall, the results presented in this paper show that AM processed nanostructured zirconia can be used in dental restorations, with important advantages from the point of view of processing and tribological performance. Moreover, the option for glaze finishing should be carefully considered both in SM and AM processed specimens.
Collapse
|
18
|
Saboga-Nunes L, Guerra R, Madaleno P, Santos T. Health literacy and physical activity as buffers to counter act work related stress. Eur J Public Health 2019. [DOI: 10.1093/eurpub/ckz186.488] [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: 11/12/2022] Open
Abstract
Abstract
Background
Stress health problems affect 47.8% of the work force in Portugal. It is predicted that, in the next decade, these problems will overcome musculoskeletal disorders, the first cause of employee’s withdrawal from work. Research indicates connections between stress and dimensions of the work place (like job satisfaction). Nevertheless the conceptual understanding of these relationships is sparse. In order to better understand these relationships, this research focus on the use of job–specific models of stress, associating them with health literacy (HL) - in the context of the European Health Literacy Survey framework (HLS-EU) - and physical exercise.
Methods
A total of 748 participants from the different offices of a company in the financial sector (Portugal, main land and autonomous territories) participated in a cross sectional survey (CAWI). Age ranged from 25 to 65 years and HL was measured using the HLS-EU instrument validated to Portuguese (HLS-EU-PT). Each participant was allocated to one of the groups, either of satisfactory HL (when scores ≥30) or insufficient HL (when scores <30).
Results
Out of the 748 participants (58.7% males, average age of 39 years), 80.4% sometimes and very often experience stress and tension in the workplace. Less than one in every two (44.4%) practice physical activity several times a week. Of the participants, 7.1% have inadequate, 39.0% problematic, 36.6% sufficient and 17.3% excellent HL (HLS-EU-PT). Employees that are more active are those who experience lower levels of stress.
Conclusions
The research of the effects of HL combined with physical exercise, as buffer variables to problems related to the effects of work stress, is a new area of research that may help understand patterns of adherence to activities that can help workers deal with everyday working conditions. More research is needed to integrate HL strategies in the work place.
Key messages
Stress health problems affect 47.8% of the work force in Portugal. Employees that are more active are those who experience lower levels of stress.
Collapse
Affiliation(s)
- L Saboga-Nunes
- ProLiSa; Centro de Investigação em Saúde Pública, Universidade NOVA de Lisboa, Lisbon, Portugal
- Institute of Sociology, University of Education, Freiburg, Germany
- Instituto de Saúde Ambiental, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - R Guerra
- Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - P Madaleno
- Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - T Santos
- Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa, Lisbon, Portugal
| |
Collapse
|
19
|
Marques AC, Miglietta D, Gaspar G, Baptista AC, Gaspar A, Perdigão P, Soares I, Bianchi C, Sousa D, Faustino BMM, Amaral VS, Santos T, Gonçalves AP, da Silva RC, Giorgis F, Ferreira I. Synthesis of thermoelectric magnesium-silicide pastes for 3D printing, electrospinning and low-pressure spray. Mater Renew Sustain Energy 2019; 8:21. [PMID: 31815087 PMCID: PMC6871663 DOI: 10.1007/s40243-019-0159-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 09/30/2019] [Indexed: 06/10/2023]
Abstract
In this work, eco-friendly magnesium-silicide (Mg2Si) semiconducting (n-type) thermoelectric pastes for building components concerning energy-harvesting devices through 3D printing, spray and electrospinning were synthetized and tested for the first time. The Mg2Si fine powders were obtained through the combination of ball milling and thermal annealing under Ar atmosphere. While the latter process was crucial for obtaining the desired Mg2Si phase, the ball milling was indispensable for homogenizing and reducing the grain size of the powders. The synthetized Mg2Si powders exhibited a large Seebeck coefficient of ~ 487 µV/K and were blended with a polymeric solution in different mass ratios to adjust the paste viscosity to the different requirements of 3D printing, electrospinning and low-pressure spray. The materials produced in every single stage of the paste synthesis were characterized by a variety of techniques that unequivocally prove their viability for producing thermoelectric parts and components. These can certainly trigger further research and development in green thermoelectric generators (TEGs) capable of adopting any form or shape with enhanced thermoelectric properties. These green TEGs are meant to compete with common toxic materials such as Bi2Te3, PbTe and CoSb that have Seebeck coefficients in the range of ~ 290-700 μV/K, similar to that of the produced Mg2Si powders and lower than that of 3D printed bulk Mg2Si pieces, measured to be ~ 4866 μV/K. Also, their measured thermal conductivities proved to be significantly lower (~ 0.2 W/mK) than that reported for Mg2Si (≥ 4 W/mK). However, it is herein demonstrated that such thermoelectric properties are not stable over time. Pressureless sintering proved to be indispensable, but difficultly achievable by long thermal annealing (even above 32 h) in inert atmosphere at 400 °C, at least for bulk Mg2Si pieces constituted by a mean grain size of 2-3 μm. Hence, for overcoming this sintering challenge and become the silicide's extrusion viable in the production of bulk thermoelectric parts, alternative pressureless sintering methods will have to be further explored.
Collapse
Affiliation(s)
- A. C. Marques
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Davide Miglietta
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
| | - G. Gaspar
- I3N/Departamento de Física e CICECO, Instituto de Materiais de Aveiro, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - A. C. Baptista
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - A. Gaspar
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - P. Perdigão
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - I. Soares
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - C. Bianchi
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - D. Sousa
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - B. M. Morais Faustino
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - V. S. Amaral
- Departamento de Física e CICECO, Instituto de Materiais de Aveiro, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - T. Santos
- Departamento de Física e CICECO, Instituto de Materiais de Aveiro, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - A. P. Gonçalves
- C2TN, Instituto Superior Técnico, Universidade de Lisboa, Campus Tecnológico e Nuclear, Estrada Nacional 10, 2695-066 Bobadela, LRS Portugal
| | - R. C. da Silva
- IPFN-IST/UL, Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela, Portugal
| | - Fabrizio Giorgis
- I3N/Departamento de Física e CICECO, Instituto de Materiais de Aveiro, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - I. Ferreira
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| |
Collapse
|
20
|
Pereira R, Oliveira ME, Santos R, Oliveira E, Barbosa T, Santos T, Gonçalves P, Ferraz L, Pinto S, Barros A, Oliveira J, Sousa M. Characterization of CCDC103 expression profiles: further insights in primary ciliary dyskinesia and in human reproduction. J Assist Reprod Genet 2019; 36:1683-1700. [PMID: 31273583 PMCID: PMC6708006 DOI: 10.1007/s10815-019-01509-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/13/2019] [Indexed: 01/14/2023] Open
Abstract
PROPOSE To study CCDC103 expression profiles and understand how pathogenic variants in CCDC103 affect its expression profile at mRNA and protein level. METHODS To increase the knowledge about the CCDC103, we attempted genotype-phenotype correlations in two patients carrying novel homozygous (missense and frameshift) CCDC103 variants. Whole-exome sequencing, quantitative PCR, Western blot, electron microscopy, immunohistochemistry, immunocytochemistry, and immunogold labelling were performed to characterize CCDC103 expression profiles in reproductive and somatic cells. RESULTS Our data demonstrate that pathogenic variants in CCDC103 gene negatively affect gene and protein expression in both patients who presented absence of DA on their axonemes. Further, we firstly report that CCDC103 is expressed at different levels in reproductive tissues and somatic cells and described that CCDC103 protein forms oligomers with tissue-specific sizes, which suggests that CCDC103 possibly undergoes post-translational modifications. Moreover, we reported that CCDC103 was restricted to the midpiece of sperm and is present at the cytoplasm of the other cells. CONCLUSIONS Overall, our data support the CCDC103 involvement in PCD and suggest that CCDC103 may have different assemblies and roles in cilia and sperm flagella biology that are still unexplored.
Collapse
Affiliation(s)
- R. Pereira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
| | - M. E. Oliveira
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
| | - R. Santos
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Biochemistry, Faculty of Pharmacy, University of Porto (FFUP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - E. Oliveira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
| | - T. Barbosa
- Department of Pediatrics, Maternal Child Centre of the North (CMIN), University Hospital Centre of Porto (CHUP), Largo da Maternidade, 4050-371 Porto, Portugal
| | - T. Santos
- Department of Otorhinolaryngology, S. Sebastião Hospital, Hospital Centre of entre Douro e Vouga, Rua Dr. Cândido Pinho 5, 4520-211 Santa Maria da Feira, Portugal
| | - P. Gonçalves
- Department of Otorhinolaryngology, S. Sebastião Hospital, Hospital Centre of entre Douro e Vouga, Rua Dr. Cândido Pinho 5, 4520-211 Santa Maria da Feira, Portugal
| | - L. Ferraz
- Department of Urology, Hospital Centre of Vila Nova de Gaia/Espinho, Unit 1, Rua Conceição Fernandes 1079, 4434-502 Vila Nova de Gaia, Portugal
| | - S. Pinto
- Centre for Reproductive Genetics Prof. Alberto Barros (CGR), Av. do Bessa, 240, 1° Dto. Frente, 4100-012 Porto, Portugal
| | - A. Barros
- Centre for Reproductive Genetics Prof. Alberto Barros (CGR), Av. do Bessa, 240, 1° Dto. Frente, 4100-012 Porto, Portugal
- Department of Genetics, Faculty of Medicine, University of Porto (FMUP), Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - J. Oliveira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
| | - M. Sousa
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
| |
Collapse
|
21
|
Lopes M, Santos T, Ventura T, Capela M. SP-0239 Following TRS 483: reference and relative dosimetry in Tomotherapy. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30659-0] [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: 10/26/2022]
|
22
|
Santos T, Gershkevitsh E, Izewska J. OC-0607 IAEA supported national ‘end-to-end’ IMRT audit in Portugal. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31027-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
23
|
Peyroteo M, Santos T, Martins PC, Canotilho R, Correia M, Reis P, Sousa A. Breast conserving surgery for ductal carcinoma in situ: analysis of recurrence and margin width. Eur J Surg Oncol 2019. [DOI: 10.1016/j.ejso.2018.10.370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
|
24
|
Lone MA, Santos T, Alecu I, Silva LC, Hornemann T. 1-Deoxysphingolipids. Biochim Biophys Acta Mol Cell Biol Lipids 2019; 1864:512-521. [PMID: 30625374 DOI: 10.1016/j.bbalip.2018.12.013] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [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: 10/05/2018] [Revised: 12/19/2018] [Accepted: 12/20/2018] [Indexed: 12/14/2022]
Abstract
Sphingolipids (SLs) are fundamental components of eukaryotic cells. 1-Deoxysphingolipids differ structurally from canonical SLs as they lack the essential C1-OH group. Consequently, 1-deoxysphingolipids cannot be converted to complex sphingolipids and are not degraded over the canonical catabolic pathways. Pathologically elevated 1-deoxySLs are involved in several disease conditions. Within this review, we will provide an up-to-date overview on the metabolic, physiological and pathophysiological aspects of this enigmatic class of "headless" sphingolipids.
Collapse
Affiliation(s)
- M A Lone
- Institute for Clinical Chemistry, University Hospital Zurich, Switzerland; Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Switzerland
| | - T Santos
- Institute for Clinical Chemistry, University Hospital Zurich, Switzerland; Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Switzerland; iMed.ULisboa - Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; Centro de Química-Física Molecular and IN-Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - I Alecu
- Neural Regeneration Laboratory, India Taylor Lipidomic Research Platform, Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Ottawa Brain and Mind Research Institute, University of Ottawa, Canada
| | - L C Silva
- iMed.ULisboa - Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; Centro de Química-Física Molecular and IN-Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - T Hornemann
- Institute for Clinical Chemistry, University Hospital Zurich, Switzerland; Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Switzerland.
| |
Collapse
|
25
|
Pelicia K, Garcia EA, Santos TA, Santos GC, Vieira Filho JA, Silva AP, Moreira J, Rabello CBV, Garcia RG. BEAK TRIMMING BY INFRARED RADIATION OF LAYERS. Braz J Poult Sci 2019. [DOI: 10.1590/1806-9061-2017-0618] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- K Pelicia
- State University of Mato Grosso, Brazil
| | - EA Garcia
- State University of São Paulo, Brazil
| | - TA Santos
- State University of São Paulo, Brazil
| | - GC Santos
- Federal University of West Pará, Brazil
| | | | | | - J Moreira
- Federal University of Vale of Jequitinhonha and Mucuri, Brazil
| | - CBV Rabello
- Rural Federal University of Pernambuco, Brazil
| | - RG Garcia
- Federal University of Grande Dourados, Brazil
| |
Collapse
|
26
|
Ulatowska H, Walsh D, Santos T. LESSONS LEARNED FROM TESTIMONIES OF WORLD WAR II VETERANS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - D Walsh
- The University of Texas at Dallas
| | - T Santos
- The University of Texas at Dallas
| |
Collapse
|
27
|
Andrade M, Santos T, Andrade L, Oliveira M, Gomes K, Araujo C, Oliveira T, Weller M. Reduction of Breast Cancer Treatment Delay as a Result of Efforts Carried Out by Two Brazilian NGOs. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.26500] [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: 11/20/2022] Open
Abstract
Background: Brazilian breast cancer patients present disease often at advanced stages (III, IV). Previous studies indicated that system delay is a causal factor of bad prognosis and increased mortality rate. In the state of Paraíba, northeast of Brazil, two non-governmental organizations (NGOs) Américas Amigas and Mulheres de Peito de Campina Grande (MLDP), promote faster access to treatment by donating diagnostic mammography and biopsies as well as anatomo-histopathological and immunohistochemical analysis. Aim: The current study aimed at evaluating the effectiveness of the assistance provided by both NGOs and comparing patient flow between HNL and FAP, two reference cancer centers in João Pessoa and Campina Grande, respectively. Methods: Time-to-treatment was analyzed for different time intervals between first medical consultation and initiation of treatment. Comparison was performed between three groups of patients: 40 patients from Hospital Napoleão Laureano (HNL) in João Pessoa; 80 patients from Fundação Assistencial da Paraíba (FAP) in Campina Grande and 15 patients from FAP, who received support from the NGOs. Kaplan-Meier analysis was performed to compare time-intervals among the groups. To estimate the impact of socioeconomic variables Cox regression analysis was performed. Results: Mean time-interval between first medical consultation and hospital admission was 135 (SD=21.0), 370 (SD=73.7) and 515 (SD=36.6) days, for patients of HNL, MLDP and FAP, respectively ( P = 0.0021). Time intervals analyzed for patients within the FAP hospital, between first medical consultation and hospital admission, tended to be shorter for patients who were assisted by the NGOs, compared with those who did not receive any assistance from the NGOs. Patients who had consulted specialized oncological health services beforehand had an increased chance (HZ=2.32; 95% CI: 1.17-4.60; P = 0.016) of being admitted at the reference hospital within 90 days after the first medical consultation, compared with those who had not consulted such specialized services. There were no significant differences between HNL and FAP, regarding the time interval between hospital admission and treatment initiation ( P = 0.21). Conclusion: The assistance to patients provided by the two NGOs, aimed at speeding up the diagnosis process, accelerated patient flow between first medical consultation and admission at the hospitals. Regarding HNL, patients from the inland had been sent by primary health units in their municipalities, directly to the cancer reference hospital in João Pessoa, without being referred to an in-between health service. Such procedure explains the variation of time intervals when admissions at FAP and HNL are compared. The results of the current study indicate that by providing faster breast cancer diagnosis, the NGOs’ mediation can significantly improve patient flow.
Collapse
Affiliation(s)
| | | | | | | | - K. Gomes
- Américas Amigas, São Paulo, Brazil
| | | | | | | |
Collapse
|
28
|
Rodrigues F, Neves L, Santos T, Pereira C, Badaro F. Hematological changes in patients diagnosed with histoplasmosis in a reference hospital in the state of Bahia-Brazil. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.4052] [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
|
29
|
Rodrigues F, Santos T, Neves L, Pereira C, Badaro F. Epidemiological profile of patients diagnosed with histoplasmosis at a reference hospital in Salvador-Ba. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.3888] [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
|
30
|
Rodrigues F, Pereira C, Santos T, Neves L, Badaro F. The main clinical manifestations of patients diagnosed with Histoplasmosis at a reference hospital in Salvador, Bahia. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.4051] [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
|
31
|
Rodrigues F, Pereira C, Neves L, Santos T, Badaro F. Histoplasmosis and its outcomes: The scenario in a reference hospital in Salvador-Bahia. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.4054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
|
32
|
Ferreira AC, Santos T, Sampaio-Marques B, Novais A, Mesquita SD, Ludovico P, Bernardino L, Correia-Neves M, Sousa N, Palha JA, Sousa JC, Marques F. Lipocalin-2 regulates adult neurogenesis and contextual discriminative behaviours. Mol Psychiatry 2018; 23:1031-1039. [PMID: 28485407 DOI: 10.1038/mp.2017.95] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 03/07/2017] [Accepted: 03/16/2017] [Indexed: 12/24/2022]
Abstract
In the adult mammalian brain, newborn granule cells are continuously integrated into hippocampal circuits, and the fine-tuning of this process is important for hippocampal function. Thus, the identification of factors that control adult neural stem cells (NSCs) maintenance, differentiation and integration is essential. Here we show that the deletion of the iron trafficking protein lipocalin-2 (LCN2) induces deficits in NSCs proliferation and commitment, with impact on the hippocampal-dependent contextual fear discriminative task. Mice deficient in LCN2 present an increase in the NSCs population, as a consequence of a G0/G1 cell cycle arrest induced by increased endogenous oxidative stress. Of notice, supplementation with the iron-chelating agent deferoxamine rescues NSCs oxidative stress, promotes cell cycle progression and improves contextual fear conditioning. LCN2 is, therefore, a novel key modulator of neurogenesis that, through iron, controls NSCs cell cycle progression and death, self-renewal, proliferation and differentiation and, ultimately, hippocampal function.
Collapse
Affiliation(s)
- A C Ferreira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - T Santos
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, Covilhã, Portugal
| | - B Sampaio-Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - A Novais
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - S D Mesquita
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - P Ludovico
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - L Bernardino
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, Covilhã, Portugal
| | - M Correia-Neves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - N Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - J A Palha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - J C Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| | - F Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Portugal
| |
Collapse
|
33
|
Vieira Filho JA, Garcia EA, Oba E, Santos TA, Molino AB, Silva AP, Pelícia K, Paz ICLA. Production Indicators and Levels of Corticosterone in Pullets Treated with Beak-Trimming Protocols. Rev Bras Cienc Avic 2018. [DOI: 10.1590/1806-9061-2017-0560] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | - EA Garcia
- University of Sao Paulo State, Brazil
| | - E Oba
- University of Sao Paulo State, Brazil
| | - TA Santos
- University of Sao Paulo State, Brazil
| | | | | | - K Pelícia
- State University of Mato Grosso, Brazil
| | - ICLA Paz
- University of Sao Paulo State, Brazil
| |
Collapse
|
34
|
Santos TA, Morais WA, Passos VF, Sena NJC, Ferreira RGLA. O Uso do Laser de CO2 na Remoção de Bráquetes Cerâmicos. J Health Scie 2018. [DOI: 10.17921/2447-8938.2017v19n5p143] [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: 11/24/2022] Open
Abstract
Este estudo tem como objetivo analisar a utilização do laser de CO2 na remoção de bráquetes cerâmicos, por meio de uma revisão de literatura. Utilizando-se as bases de dados Medline via PubMed, Science Direct e SciELO, e os descritores “lasers”, “dental debonding” e “orthodontic brackets” combinados, buscou-se artigos publicados no período de 2007 a 2017. De 133 artigos elegíveis, selecionaram-se nove, por atenderem aos seguintes critérios de inclusão: ser estudo in vitro, utilizar o laser do tipo CO2. Foram excluídas todas as revisões de literatura. Entre os artigos selecionados, cinco abordaram a relação do descolamento do bráquete cerâmico com as fraturas de esmalte, mostrando que, com o emprego do laser de CO2, há uma redução significativa dos riscos de danos e fraturas nessa estrutura. Seis artigos deram enfoque à relação do uso do laser de CO2 no descolamento do bráquete com a variação da temperatura pulpar, constatando que esse tipo de laser não apresenta risco de dano térmico à polpa, uma vez que o aumento de temperatura após a aplicação do método variou entre 1,48 °C e 4,9 °C, de acordo com a potência do aparelho utilizado. Por fim, seis artigos ressaltaram o Índice de Remanescente Adesivo (IRA), após a remoção do dispositivo, constatando que houve pequena variação comparada ao grupo controle. Conclui-se, pois, que, segundo a literatura consultada, a utilização do laser de CO2 na remoção de bráquetes cerâmicos reduz satisfatoriamente a força de união desse dispositivo ao esmalte dental, contribuindo para sua remoção, sem que haja um aumento excessivo da temperatura.Palavras-chave: Lasers. Descolagem Dentária. Bráquetes Ortodônticos.
Collapse
|
35
|
|
36
|
Gouveia A, Dias SP, Santos T, Rocha H, Coelho CR, Ruano L, Galego O, Diogo MC, Seixas D, Sá MJ, Batista S. Cognitive impairment and magnetic resonance imaging correlates in primary progressive multiple sclerosis. Acta Neurol Scand 2017; 136:109-115. [PMID: 27778334 DOI: 10.1111/ane.12702] [Citation(s) in RCA: 15] [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] [Accepted: 10/04/2016] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To characterize cognitive impairment in primary progressive multiple sclerosis (PPMS) and to correlate the pattern of cognitive deficits with brain magnetic resonance imaging (MRI) volumetric data. MATERIALS AND METHODS In a multicenter cross-sectional study, we recruited consecutive patients with PPMS as well as age, sex, and education level-matched healthy controls (HC). All participants underwent neuropsychological (NP) assessment, and brain MRI was performed in patients with PPMS for analysis of lesion load, subcortical GM volumes, and regional cortical volumes. RESULTS We recruited 55 patients with PPMS and 36 HC. Thirty-six patients were included in the MRI analysis. Patients with PPMS performed significantly worse than HC in all NP tests. Subcortical GM volume was significantly correlated with all NP tests, except for Stroop Test, with the largest effect for the thalamus (r=-.516 [BVMT-R DR, P=.016 FDR-corrected] to r=.664 [SDMT, P<.001 FDR-corrected]). In the stepwise linear regression model, thalamic volume was the only predictor of performance in all NP tests. CONCLUSION Cognitive impairment is common in PPMS and affects all evaluated cognitive domains. Subcortical GM volume, particularly of the thalamus, is a strong predictor of cognitive performance, suggesting it has a central role in the pathophysiology of PPMS-related cognitive dysfunction.
Collapse
Affiliation(s)
- A. Gouveia
- Department of Neurology; Centro Hospitalar e Universitário de Coimbra; Coimbra Portugal
| | - S. P. Dias
- Department of Neurology; Centro Hospitalar de Lisboa Central; Lisboa Portugal
| | - T. Santos
- Department of Neurology; Centro Hospitalar Vila Nova de Gaia/Espinho; Vila Nova de Gaia Portugal
| | - H. Rocha
- Department of Neurology; Centro Hospitalar de São João; Porto Portugal
- Faculty of Medicine; Department of Clinical Neuroscience and Mental Health; University of Porto; Porto Portugal
| | - C. R. Coelho
- Department of Neurology; Centro Hospitalar de Setúbal; Setúbal Portugal
| | - L. Ruano
- Department of Neurology; Centro Hospitalar Entre Douro e Vouga; Santa Maria da Feira Portugal
- EPIUnit - Epidemiology Research Unit; Institute of Public Health; University of Porto; Porto Portugal
| | - O. Galego
- Department of Neuroradiology; Centro Hospitalar e Universitário de Coimbra; Coimbra Portugal
| | - M. C. Diogo
- Department of Neuroradiology; Centro Hospitalar de Lisboa Central; Lisboa Portugal
| | - D. Seixas
- Department of Imaging Diagnosis; Centro Hospitalar de Vila Nova de Gaia/Espinho; Vila Nova de Gaia Portugal
- Faculty of Medicine; Department of Experimental Biology; Porto University; Porto Portugal
| | - M. J. Sá
- Department of Neurology; Centro Hospitalar de São João; Porto Portugal
- Faculty of Health Sciences; University Fernando Pessoa; Porto Portugal
| | - S. Batista
- Department of Neurology; Centro Hospitalar e Universitário de Coimbra; Coimbra Portugal
- Faculty of Medicine; University of Coimbra; Coimbra Portugal
| |
Collapse
|
37
|
Santos T, Ventura T, Mateus J, Capela M, Lopes M. EP-1747: From pre-treatment verification towards invivo dosimetry in TomoTherapy. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)32110-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
38
|
Santos T, Ventura T, Mateus J, Capela M, Lopes M. EP-1751: A comparison of tools for Delivery Quality Assurance in TomoTherapy. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)32114-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
39
|
Santos T, Veloso M, Barros P. Neurovascular ultrasound in emergency settings: diagnostic and therapeutic aspects. Rev Neurol 2017; 64:367-374. [PMID: 28368084] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
INTRODUCTION Neurovascular ultrasound is a non-invasive, portable and fast imaging method that, when performed by an experienced neurosonologist, offers reliable and reproducible information on the morphological and hemodynamic status of cervical and intracranial vessels. AIM To review the available evidence regarding the use of this tool in the approach to acute stroke. DEVELOPMENT Neurovascular ultrasound can be used in one of two ways: diagnostic and therapeutic. Considering the low recanalization rates of internal carotid artery and proximal medial cerebral artery occlusions with intravenous recombinant tissue plasminogen activator (r-tPA), neurovascular ultrasound used shortly in Emergency Department may help to select patients that could benefit from endovascular therapy. Moreover, ultrasound monitorization during intravenous r-tPA treatment allows the analysis of the pattern of arterial recanalization. Cervical ultrasound allows the assessment of the stenosis degree and the composition/surface of an arterial plaque that could, for instance, reveal earlier a candidate for carotid intervention. Finally, the therapeutic potential of ultrasound is also being investigated. Sonothrombolysis and sonolysis, that combine ultrasound technology with r-tPA and use exclusively the ultrasound to lyse the clot, respectively, showed promising results. CONCLUSION Neurovascular ultrasound has greatly expanded to assume an important role in the study of cerebrovascular disorders.
Collapse
Affiliation(s)
- T Santos
- Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - M Veloso
- Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - P Barros
- Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| |
Collapse
|
40
|
Leite R, Macedo P, Borges J, Santos T. Depression across DSM and ICD editions: Psychiatric nosology's ‘Black Dog’. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.509] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
IntroductionThe diagnosis of depressive disorders has suffered important modifications throughout DSM and ICD editions. The history of those modifications is an important subject to fully understand the current diagnostic criteria and classification, with milestones often set not by scientific or theoretical data but rather by political decision and conflicting interests.ObjectiveThe authors propose a review of how the concept of major depression has evolved along the several DSM and ICD editions.MethodsThe results were obtained searching literature included on the platforms PubMed, Google Scholar, PsycINFO and Psychology and Behavioral Sciences Collection.ResultsThe current diagnostic entity lacks validity and utility and that is an obstacle to both scientific research and clinical practice.ConclusionThe authors also discuss alternative models which may contribute to a paradigm shift more suitable to clinical reality and to provide a useful framework for all levels of research.Disclosure of interestThe authors have not supplied their declaration of competing interest.
Collapse
|
41
|
Karavana V, Smith I, Kanellis G, Sigala I, Kinsella T, Zakynthinos S, Liu L, Chen J, Zhang X, Liu A, Guo F, Liu S, Yang Y, Qiu H, Grimaldi DG, Kaya E, Acicbe O, Kayaalp I, Asar S, Dogan M, Eren G, Hergunsel O, Pavelescu D, Grintescu I, Mirea L, Guanziroli M, Gotti M, Marino A, Cressoni M, Vergani G, Chiurazzi C, Chiumello D, Gattinoni L, Guanziroli M, Gotti M, Vergani G, Cressoni M, Chiurazzi C, Marino A, Spano S, Chiumello D, Gattinoni L, Guanziroli M, Gotti M, Vergani G, Marino A, Cressoni M, Chiurazzi C, Chiumello D, Gattinoni L, Massaro F, Moustakas A, Johansson S, Larsson A, Perchiazzi G, Zhang XW, Guo FM, Chen JX, Xue M, Yang Y, Qiu HB, Chen JX, Liu L, Yang L, Zhang XW, Guo FM, Yang Y, Qiu HB, Fister M, Knafelj R, Suzer MA, Kavlak ME, Atalan HK, Gucyetmez B, Cakar N, Weller D, Grootendorst AF, Dijkstra A, Kuijper TM, Cleffken BI, Regli A, De Keulenaer B, Van Heerden P, Hadfield D, Hopkins PA, Penhaligon B, Reid F, Hart N, Rafferty GF, Grasselli G, Mauri T, Lazzeri M, Carlesso E, Cambiaghi B, Eronia N, Maffezzini E, Bronco A, Abbruzzese C, Rossi N, Foti G, Bellani G, Pesenti A, Bassi GL, Panigada M, Ranzani O, Kolobow T, Zanella A, Cressoni M, Berra L, Parrini V, Kandil H, Salati G, Livigni S, Livigni S, Amatu A, Girardis M, Barbagallo M, Moise G, Mercurio G, Costa A, Vezzani A, Lindau S, Babel J, Cavana M, Torres A, Panigada M, Bassi GL, Ranzani OT, Kolobow T, Zanella A, Cressoni M, Berra L, Parrini V, Kandil H, Salati G, Livigni S, Amatu A, Girardis M, Barbagallo M, Moise G, Mercurio G, Costa A, Vezzani A, Lindau S, Babel J, Cavana M, Torres A, Umbrello M, Taverna M, Formenti P, Mistraletti G, Vetrone F, Marino A, Vergani G, Baisi A, Chiumello D, Garnero AG, Novotni DN, Arnal JA, Urner M, Fan E, Dres M, Vorona S, Brochard L, Ferguson ND, Goligher EC, Leung C, Joynt G, Wong W, Lee A, Gomersall C, Poels S, Casaer M, Schetz M, Van den Berghe G, Meyfroidt G, Holzgraefe B, Von Kobyletzki LB, Larsson A, Cianchi G, Becherucci F, Batacchi S, Cozzolino M, Franchi F, Di Valvasone S, Ferraro MC, Peris A, Phiphitthanaban H, Wacharasint P, Wongsrichanalai V, Lertamornpong A, Pengpinij O, Wattanathum A, Oer-areemitr N, Boddi M, Cianchi G, Cappellini E, Ciapetti M, Batacchi S, Di Lascio G, Bonizzoli M, Cozzolino M, Peris A, Lazzeri C, Cianchi G, Bonizzoli M, Di Lascio G, Cozzolino M, Peris A, Katsin ML, Hurava MY, Dzyadzko AM, Hermann A, Schellongowski P, Bojic A, Riss K, Robak O, Lamm W, Sperr W, Staudinger T, Buoninsegni LT, Bonizzoli M, Cozzolino M, Parodo J, Ottaviano A, Cecci L, Corsi E, Ricca V, Peris A, de Garibay APR, Ende-Schneider B, Schreiber C, Kreymann B, Turani F, Resta M, Niro D, Castaldi P, Boscolo G, Gonsales G, Martini S, Belli A, Zamidei L, Falco M, Lamas T, Mendes J, Galazzi A, Mauri T, Benco B, Binda F, Masciopinto L, Lazzeri M, Carlesso E, Lissoni A, Grasselli G, Adamini I, Pesenti A, Thamjamrassri T, Watcharotayangul J, Numthavaj P, Kongsareepong S, Higuera J, Cabestrero D, Rey L, Narváez G, Blandino A, Aroca M, Saéz S, De Pablo R, Mohamed A, Sklar M, Munshi L, Mauri T, Lazzeri M, Alban L, Turrini C, Panigada M, Taccone P, Carlesso E, Marenghi C, Spadaro S, Grasselli G, Volta C, Pesenti A, Higuera J, Alonso DC, Blandino A, Narváez G, González LR, Aroca M, Saéz S, De Pablo R, Franci A, Stocchi G, Cappuccini G, Socci F, Cozzolino M, Guetti C, Rastrelli P, Peris A, Nestorowicz A, Glapinski J, Fijalkowska-Nestorowicz A, Wosko J, Fijalkowska-Nestorowicz A, Glapinski J, Wosko J, Duprez F, Bonus T, Cuvelier G, Mashayekhi S, Ollieuz S, Reychler G, Bonus T, Duprez F, Cuvelier G, Mashayekhi S, Ollieuz S, Reychler G, Kuchyn I, Bielka K, Sergienko A, Jones H, Day C, Park SC, Yeom SR, Myatra SN, Gupta S, Rajnala V, Divatia J, Silva JV, Olvera OA, Schulte RC, Bermudez MC, Zorrilla LP, Ferretis HL, García KT, Balciuniene N, Ramsaite J, Kriukelyte O, Krikscionaitiene A, Tamosuitis T, Terragni P, Brazzi L, Falco D, Pistidda L, Magni G, Bartoletti L, Mascia L, Filippini C, Ranieri V, Kyriakoudi A, Rovina N, Koltsida O, Konstantellou E, Kardara M, Kostakou E, Gavriilidis G, Vasileiadis I, Koulouris N, Koutsoukou A, Van Snippenburg W, Kröner A, Flim M, Buise M, Hemler R, Spronk P, Regli A, Noffsinger B, De Keulenaer B, Singh B, Hockings L, Van Heerden P, Spina C, Bronco A, Magni F, Di Giambattista C, Vargiolu A, Bellani G, Foti G, Citerio G, Scaramuzzo G, Spadaro S, Waldmann AD, Böhm SH, Ragazzi R, Volta CA, Heines SJ, Strauch U, Van de Poll MC, Roekaerts PM, Bergmans DC, Sosio S, Gatti S, Maffezzini E, Punzi V, Asta A, Foti G, Bellani G, Glapinski J, Mroczka J, Nestorowicz A, Fijalkowska-Nestorowicz A, Yaroshetskiy AI, Rezepov NA, Mandel IA, Gelfand BR, Ozen E, Karakoc E, Ayyildiz A, Kara S, Ekemen S, Yelken BB, Saasouh W, Freeman J, Turan A, Hajjej Z, Sellami W, Bousselmi M, Samoud W, Gharsallah H, Labbene I, Ferjani M, Vetrugno L, Barbariol F, Forfori F, Regeni I, Della Rocca G, Jansen D, Jonkman A, Doorduin J, Roesthuis L, Van der Hoeven J, Heunks L, Marocco SA, Bottiroli M, Pinciroli R, Galanti V, Calini A, Gagliardone M, Bellani G, Fumagalli R, Gatti S, Abbruzzese C, Ippolito D, Sala VL, Meroni V, Bronco A, Foti G, Bellani G, Elbanna M, Nassar Y, Abdelmohsen A, Yahia M, Mongodi S, Mojoli F, Via G, Tavazzi G, Fava F, Pozzi M, Iotti GA, Bouhemad B, Ruiz-Ferron F, Simón JS, Gordillo-Resina M, Chica-Saez V, Garcia MR, Vela-Colmenero R, Redondo-Orts M, Gontijo-Coutinho C, Ozahata T, Nocera P, Franci D, Santos T, Carvalho-Filho M, Fochi O, Gatti S, Nacoti M, Signori D, Bronco A, Bonacina D, Bellani G, Bonanomi E, Mongodi S, Bonvecchio E, Stella A, Roldi E, Orlando A, Luperto M, Bouhemad B, Iotti GA, Mojoli F, Trunfio D, Licitra G, Martinelli R, Vannini D, Giuliano G, Vetrugno L, Forfori F, Näslund E, Lindberg LG, Lund I, Larsson A, Frithiof R, Nichols A, Freeman J, Pentakota S, Kodali B, Pranskunas A, Kiudulaite I, Simkiene J, Damanskyte D, Pranskuniene Z, Arstikyte J, Vaitkaitis D, Pilvinis V, Brazaitis M, Pool R, Haugaa H, Botero A, Escobar D, Maberry D, Tønnessen T, Zuckerbraun B, Pinsky M, Gomez H, Lyons H, Trimmings A, Domizi R, Scorcella C, Damiani E, Pierantozzi S, Tondi S, Monaldi V, Carletti A, Zuccari S, Adrario E, Pelaia P, Donati A, Kazune S, Grabovskis A, Volceka K, Rubins U, Bol M, Suverein M, Delnoij T, Driessen R, Heines S, Delhaas T, Vd Poll M, Sels J, Jozwiak M, Chambaz M, Sentenac P, Richard C, Monnet X, Teboul JL, Bitar Z, Maadarani O, Al Hamdan R, Huber W, Malbrain M, Chew M, Mallat J, Tagami T, Hundeshagen S, Wolf S, Huber W, Mair S, Schmid R, Aron J, Adlam M, Dua G, Mu L, Chen L, Yoon J, Clermont G, Dubrawski A, Duhailib Z, Al Assas K, Shafquat A, Salahuddin N, Donaghy J, Morgan P, Valeanu L, Stefan M, Provenchere S, Longrois D, Shaw A, Mythen MG, Shook D, Hayashida D, Zhang X, Munson SH, Sawyer A, Mariyaselvam M, Blunt M, Young P, Nakwan N, Khwannimit B, Checharoen P, Berger D, Moller P, Bloechlinger S, Bloch A, Jakob S, Takala J, Van den Brule JM, Stolk R, Vinke E, Van Loon LM, Pickkers P, Van der Hoeven JG, Kox M, Hoedemaekers CW, Werner-Moller P, Jakob S, Takala J, Berger D, Bertini P, Guarracino F, Colosimo D, Gonnella S, Brizzi G, Mancino G, Baldassarri R, Pinsky MR, Bertini P, Gonnella S, Brizzi G, Mancino G, Amitrano D, Guarracino F, Goslar T, Stajer D, Radsel P, De Vos R, Dijk NBV, Stringari G, Cogo G, Devigili A, Graziadei MC, Bresadola E, Lubli P, Amella S, Marani F, Polati E, Gottin L, Colinas L, Hernández G, Vicho R, Serna M, Canabal A, Cuena R, Jozwiak M, Gimenez J, Teboul JL, Mercado P, Depret F, Richard C, Monnet X, Hajjej Z, Sellami W, Sassi K, Gharsallah H, Labbene I, Ferjani M, Herner A, Schmid R, Huber W, Abded N, Nassar Y, Elghonemi M, Monir A, Nikhilesh J, Apurv T, Uber AU, Grossestreuer A, Moskowitz A, Patel P, Holmberg MJ, Donnino MW, Graham CA, Hung K, Lo R, Leung LY, Lee KH, Yeung CY, Chan SY, Trembach N, Zabolotskikh I, Caldas J, Panerai R, Camara L, Ferreira G, Almeida J, de Oliveira GQ, Jardim J, Bor-Seng-Shu E, Lima M, Nogueira R, Jatene F, Zeferino S, Galas F, Robinson T, Hajjar LA, Caldas J, Panerai R, Ferreira G, Camara L, Zeferino S, Jardim J, Bor-Seng-Shu E, Oliveira M, Norgueira R, Groehs R, Ferreira-Santos L, Galas F, Oliveira G, Almeida J, Robinson T, Jatene F, Hajjar L, Ferreira G, Ribeiro J, Galas F, Gaiotto F, Lisboa L, Fukushima J, Rizk S, Almeida J, Jatene F, Osawa E, Franco R, Kalil R, Hajjar L, Chlabicz M, Sobkowicz B, Kaminski K, Kazimierczyk R, Musial W, Tycińska A, Siranovic M, Gopcevic A, Gavranovic ZG, Horvat AH, Krolo H, Rode B, Videc L, Trifi A, Abdellatif S, Ismail KB, Bouattour A, Daly F, Nasri R, Lakhal SB, Beurton A, Teboul JL, Girotto V, Galarza L, Richard C, Monnet X, Beurton A, Teboul JL, Girotto V, Galarza L, Richard C, Monnet X, Girotto V, Teboul JL, Beurton A, Galarza L, Guedj T, Monnet X, Galarza L, Mercado P, Teboul JL, Girotto V, Beurton A, Richard C, Monnet X, Iliæ MK, Sakic L, NN V, Stojcic L, Jozwiak M, Depret F, Teboul JL, Alphonsine J, Lai C, Richard C, Monnet X, Tapanwong N, Chuntupama P, Wacharasint P, Huber W, Hoellthaler J, Lahmer T, Schmid R, Latham H, Bengtson CD, Satterwhite L, Stites M, Simpson SQ, Latham H, Bengtson CD, Satterwhite L, Stites M, Simpson SQ, Skladzien T, Cicio M, Garlicki J, Serednicki W, Wordliczek J, Vargas P, Salazar A, Mercado P, Espinoza M, Graf J, Kongpolprom N, Sanguanwong N, Jonnada S, Gerrard C, Jones N, Morley T, Thorburn PT, Trimmings A, Musaeva T, Zabolotskikh I, Salazar A, Vargas P, Mercado P, Espinoza M, Graf J, Horst S, Lipcsey M, Kawati R, Pikwer A, Rasmusson J, Castegren M, Shilova A, Yafarova A, Gilyarov M, Shilova A, Yafarova A, Gilyarov M, Stojiljkovic DLL, Ulici A, Reidt S, Lam T, Jancik J, Ragab D, Taema K, Farouk W, Saad M, Liu X, Holmberg MJ, Uber A, Montissol S, Donnino M, Andersen LW, Perlikos F, Lagiou M, Papalois A, Kroupis C, Toumpoulis I, Osawa E, Carter D, Sardo S, Almeida J, Galas F, Rizk S, Franco R, Hajjar L, Landoni G, Kongsayreepong S, Sungsiri R, Wongsripunetit P, Marchio P, Guerra-Ojeda S, Gimeno-Raga M, Mauricio MD, Valles SL, Aldasoro C, Jorda A, Aldasoro M, Vila JM, Borg UB, Neitenbach AM, García M, González PG, Romero MG, Orduña PS, Cano AG, Rhodes A, Grounds RM, Cecconi M, Lee C, Hatib F, Jian Z, Rinehart J, De Los Santos J, Canales C, Cannesson M, García MIM, Hatib F, Jian Z, Scheeren T, Jian Z, Hatib F, Pinsky M, Chantziara V, Vassi A, Michaloudis G, Sanidas E, Golemati S, Bateman RM, Mokhtar A, Omar W, Aziz KA, El Azizy H, Nielsen DLL, Holler JG, Lassen A, Eriksson M, Strandberg G, Lipcsey M, Larsson A, Capoletto C, Almeida J, Ferreira G, Fukushima J, Nakamura R, Risk S, Osawa E, Park C, Oliveira G, Galas F, Franco R, Hajjar L, Dias F, D’Arrigo N, Fortuna F, Redaelli S, Zerman L, Becker L, Serrano T, Cotes L, Ramos F, Fadel L, Coelho F, Mendes C, Real J, Pedron B, Kuroki M, Costa E, Azevedo L. 37th International Symposium on Intensive Care and Emergency Medicine (part 1 of 3). Crit Care 2017. [PMCID: PMC5374603 DOI: 10.1186/s13054-017-1628-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
|
42
|
Nogueira G, Paulussi KS, Utsunomiya ATH, Utsunomiya YT, Almeida A, Tanuri A, Santos T, Alonso R. 0314 Introgression of the Belgian Blue Myostatin variant into Nellore cattle: Effects of double muscling on birth weight and calving ease. J Anim Sci 2016. [DOI: 10.2527/jam2016-0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
43
|
Costa DC, Dezan M, Santos T, Schinaider AA, Schörner EJ, Levi JE, Santos-Silva MC. Screening for the SMIM1*64_80 del Allele in blood donors in a population from Southern Brazil. Transfus Med 2016; 26:355-359. [PMID: 27328373 DOI: 10.1111/tme.12328] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Revised: 05/26/2016] [Accepted: 05/31/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND OBJECTIVES Serological screening for the Vel- phenotype is complex given the large individual variation in the levels of expression of the Vel antigen, and the polyclonal anti-human sera of immunised persons, when available, show heterogeneous reactivity levels. Studies of the SMIM1 gene have enabled the development of several molecular methodologies that will be crucially important for the screening of different populations, including Brazilians. To evaluate the deletion of 17 bp in the SMIM1 gene in a population from the south of Brazil, 448 unrelated blood donors from 7 regions comprising the haemotherapy network in the state of Santa Catarina were evaluated between August 2011 and March 2014. MATERIALS AND METHODS DNA samples from these donors were analysed employing a 5' nuclease real-time polymerase chain reaction (PCR) assay targeting the 17 bp deletion in the SMIM1 gene. RESULTS Among the 448 samples analysed, 10 (2·23%) harboured the 17 bp deletion of the gene SMIM1, and all were heterozygote for the SMIM1*64_80 del allele. CONCLUSION The allelic frequency found differed from those observed in other Caucasian populations. This difference can be explained by the ethnic make-up of each Caucasian population. The data obtained are important to characterise the correct phenotype of the donor as the serological assay results are not reliable due to variations in the expression intensity of the Vel antigen in heterozygote donors for the SMIM1*64_80 del allele. Moreover, the tool used in this study is of great value for identifying a donor Vel- phenotype and supplying a possible need for transfusion.
Collapse
Affiliation(s)
- D C Costa
- Graduate Program in Pharmacy, Federal University of Santa Catarina, UFSC, Florianópolis, Brazil
| | - M Dezan
- Fundação Pró-Sangue/Hemocentro de São Paulo, Rua Dr. Enéas Carvalho Aguiar, São Paulo, Brazil
| | - T Santos
- Department of Clinical Analyses, Federal University of Santa Catarina, UFSC, Florianópolis, Brazil
| | - A A Schinaider
- Department of Clinical Analyses, Federal University of Santa Catarina, UFSC, Florianópolis, Brazil
| | - E J Schörner
- Immunohematology Laboratory, Santa Catarina Blood Bank, HEMOSC, Avenida Professor Othon Gama D'Eça, Florianópolis, Brazil
| | - J E Levi
- Fundação Pró-Sangue/Hemocentro de São Paulo, Rua Dr. Enéas Carvalho Aguiar, São Paulo, Brazil
| | - M C Santos-Silva
- Department of Clinical Analyses, Federal University of Santa Catarina, UFSC, Florianópolis, Brazil.
| |
Collapse
|
44
|
Saraiva C, Paiva J, Santos T, Ferreira L, Bernardino L. MicroRNA-124 loaded nanoparticles enhance brain repair in Parkinson's disease. J Control Release 2016; 235:291-305. [PMID: 27269730 DOI: 10.1016/j.jconrel.2016.06.005] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/29/2016] [Accepted: 06/02/2016] [Indexed: 01/17/2023]
Abstract
Modulation of the subventricular zone (SVZ) neurogenic niche can enhance brain repair in several disorders including Parkinson's disease (PD). Herein, we used biocompatible and traceable polymeric nanoparticles (NPs) containing perfluoro-1,5-crown ether (PFCE) and coated with protamine sulfate to complex microRNA-124 (miR-124), a neuronal fate determinant. The ability of NPs to efficiently deliver miR-124 and prompt SVZ neurogenesis and brain repair in PD was evaluated. In vitro, miR-124 NPs were efficiently internalized by neural stem/progenitors cells and neuroblasts and promoted their neuronal commitment and maturation. The expression of Sox9 and Jagged1, two miR-124 targets and stemness-related genes, were also decreased upon miR-124 NP treatment. In vivo, the intracerebral administration of miR-124 NPs increased the number of migrating neuroblasts that reached the granule cell layer of the olfactory bulb, both in healthy and in a 6-hydroxydopamine (6-OHDA) mouse model for PD. MiR-124 NPs were also able to induce migration of neurons into the lesioned striatum of 6-OHDA-treated mice. Most importantly, miR-124 NPs proved to ameliorate motor symptoms of 6-OHDA mice, monitored by the apomorphine-induced rotation test. Altogether, we provide clear evidences to support the use of miR-124 NPs as a new therapeutic approach to boost endogenous brain repair mechanisms in a setting of neurodegeneration.
Collapse
Affiliation(s)
- C Saraiva
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - J Paiva
- CNC-Center for Neuroscience and Cell Biology, 3004-504 Coimbra, Portugal; Biocant - Center of Innovation in Biotechnology, 3060-197 Cantanhede, Portugal
| | - T Santos
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - L Ferreira
- CNC-Center for Neuroscience and Cell Biology, 3004-504 Coimbra, Portugal; Biocant - Center of Innovation in Biotechnology, 3060-197 Cantanhede, Portugal; Institute for Interdisciplinary Research, University of Coimbra (IIIUC), 3030-789 Coimbra, Portugal
| | - L Bernardino
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal.
| |
Collapse
|
45
|
Ferreira R, Fonseca MC, Santos T, Sargento-Freitas J, Tjeng R, Paiva F, Castelo-Branco M, Ferreira LS, Bernardino L. Retinoic acid-loaded polymeric nanoparticles enhance vascular regulation of neural stem cell survival and differentiation after ischaemia. Nanoscale 2016; 8:8126-37. [PMID: 27025400 DOI: 10.1039/c5nr09077f] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Stroke is one of the leading causes of death and disability worldwide. However, current therapies only reach a small percentage of patients and may cause serious side effects. We propose the therapeutic use of retinoic acid-loaded nanoparticles (RA-NP) to safely and efficiently repair the ischaemic brain by creating a favourable pro-angiogenic environment that enhances neurogenesis and neuronal restitution. Our data showed that RA-NP enhanced endothelial cell proliferation and tubule network formation and protected against ischaemia-induced death. To evaluate the effect of RA-NP on vascular regulation of neural stem cell (NSC) survival and differentiation, endothelial cell-conditioned media (EC-CM) were collected. EC-CM from healthy RA-NP-treated cells reduced NSC death and promoted proliferation while EC-CM from ischaemic RA-NP-treated cells decreased cell death, increased proliferation and neuronal differentiation. In parallel, human endothelial progenitor cells (hEPC), which are part of the endogenous repair response to vascular injury, were collected from ischaemic stroke patients. hEPC treated with RA-NP had significantly higher proliferation, which further highlights the therapeutic potential of this formulation. To conclude, RA-NP protected endothelial cells from ischaemic death and stimulated the release of pro-survival, proliferation-stimulating factors and differentiation cues for NSC. RA-NP were shown to be up to 83-fold more efficient than free RA and to enhance hEPC proliferation. These data serve as a stepping stone to use RA-NP as vasculotrophic and neurogenic agents for vascular disorders and neurodegenerative diseases with compromised vasculature.
Collapse
Affiliation(s)
- R Ferreira
- Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
| | - M C Fonseca
- Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
| | - T Santos
- Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
| | - J Sargento-Freitas
- Stroke Unit, Coimbra University and Hospital Centre, Coimbra, Portugal and Biocant - Center of Innovation in Biotechnology, Cantanhede, Portugal
| | - R Tjeng
- Stroke Unit, Hospital Center of Cova da Beira, Covilhã, Portugal
| | - F Paiva
- Stroke Unit, Hospital Center of Cova da Beira, Covilhã, Portugal
| | - M Castelo-Branco
- Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal. and Hospital Center of Cova da Beira, Covilhã, Portugal
| | - L S Ferreira
- Biocant - Center of Innovation in Biotechnology, Cantanhede, Portugal and CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Portugal
| | - L Bernardino
- Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
| |
Collapse
|
46
|
|
47
|
Grave J, Soares S, Madeira N, Rodrigues P, Santos T, Roque C, Morais S, Pereira C, Santos V. Control of attention in bipolar disorder: Effects of perceptual load in processing task-irrelevant facial expressions. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1172] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Bipolar disorder (BD), along with schizophrenia, is one of the most severe psychiatric conditions and is correlated with attentional deficits and emotion dysregulation. Bipolar patients appear to be highly sensitive to the presence of emotional distractors. Yet, no study has investigated whether perceptual load modulates the interference of emotionally distracting information. Our main goal was to test whether bipolar patients are more sensitive to task-irrelevant emotional stimulus, even when the task demands a high amount of attentional resources.Fourteen participants with BD I or BD II and 14 controls, age- and gender-matched, performed a target-letter discrimination task with emotional task-irrelevant stimulus (angry, happy and neutral facial expressions). Target-letters were presented among five distractor-letters, which could be the same (low perceptual load) or different (high perceptual load). Participants should discriminate the target-letter and ignore the facial expression. Response time and accuracy rate were analyzed.Resultsshowed a greater interference of facial stimuli at high load than low load, confirming the effectiveness of perceptual load manipulation. More importantly, patients tarried significantly longer at high load. This is consistent with deficits in control of attention, showing that bipolar patients are more prone to distraction by task-irrelevant stimulus only when the task is more demanding. Moreover, for bipolar patients neutral and angry faces resulted in a higher interference with the task (longer response time), compared to controls, suggesting an attentional bias for neutral and threating social cues. Nevertheless, a more detailed investigation regarding the attentional impairments in social context in BD is needed.Disclosure of interestThe authors have not supplied their declaration of competing interest.
Collapse
|
48
|
Santos T, Aguiar B, Santos L, Romaozinho C, Tome R, Macario F, Alves R, Campos M, Mota A. Invasive Fungal Infections After Kidney Transplantation: A Single-center Experience. Transplant Proc 2016; 47:971-5. [PMID: 26036497 DOI: 10.1016/j.transproceed.2015.03.040] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Invasive fungal infections (IFI) affecting transplant recipients are associated with increased mortality and graft dysfunction. OBJECTIVE Describe the frequency, clinical features, and outcomes of IFI (except pneumocystis infection) in kidney transplant recipients. METHOD Single-center descriptive study including every kidney transplant recipient with a culture-proven or probable IFI between 2003 and 2013, according to the EORTC-MSG criteria. RESULTS We identified 45 IFI. There were 13 cases of invasive candidiasis (C. albicans: 6 and non-C. albicans candidial spp.: 7), 11 cases of pulmonary aspergillosis (A. fumigatus: 9 and A. flavus: 2); 11 cases of subcutaneous mycosis (Alternaria spp.: 9, Paecilomyces spp.: 1, and Pseudallescheria spp.: 1); 7 cases of cryptococcosis; 2 cases of pneumonia by non-Aspergillus molds (Mucor spp.: 1 and Cunninghamella spp.: 1); and 1 case of Geotrichum capitatum pneumonia. All patients were recipients from deceased donors. Six cases occurred in the first 3 months post-transplant, 15 cases between the third and twelfth months, and 21 cases after the twelfth month. Treatment options were fluconazole for Candida infections, voriconazole or caspofungin for aspergillosis, liposomal amphotericin for cryptococcosis, and itraconazole plus excision or cryotherapy for subcutaneous mycosis. Fifteen patients died (33%). Mortality rates were 15% for invasive candidiasis, 45% for aspergillosis, 71% for cryptococcosis, 100% for non-Aspergillus molds and G. capitatum pneumonia, and 0% for subcutaneous mycosis. Six patients who survived (14%) started regular hemodialysis. CONCLUSION IFI still have a high mortality and morbidity in kidney transplant recipients, as verified in this report. We reinforce the need for a high index of suspicion and prompt treatment.
Collapse
Affiliation(s)
- T Santos
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal.
| | - B Aguiar
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| | - L Santos
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| | - C Romaozinho
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| | - R Tome
- Clinical Pathology Department, Coimbra University Hospital, Coimbra, Portugal
| | - F Macario
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| | - R Alves
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| | - M Campos
- Nephrology Department, Coimbra University Hospital, Coimbra, Portugal
| | - A Mota
- Kidney Transplant Unit, Urology and Kidney Transplant Department, Coimbra University Hospital, Coimbra, Portugal
| |
Collapse
|
49
|
Santos TA, Maistro CEB, Silva CB, Oliveira MS, França MC, Castellano G. MRI Texture Analysis Reveals Bulbar Abnormalities in Friedreich Ataxia. AJNR Am J Neuroradiol 2015; 36:2214-8. [PMID: 26359147 PMCID: PMC7964265 DOI: 10.3174/ajnr.a4455] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [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: 01/30/2015] [Accepted: 05/18/2015] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND PURPOSE Texture analysis is an image processing technique that can be used to extract parameters able to describe meaningful features of an image or ROI. Texture analysis based on the gray level co-occurrence matrix gives a second-order statistical description of the image or ROI. In this work, the co-occurrence matrix texture approach was used to extract information from brain MR images of patients with Friedreich ataxia and a control group, to see whether texture parameters were different between these groups. A longitudinal analysis was also performed. MATERIALS AND METHODS Twenty patients and 21 healthy controls participated in the study. Both groups had 2 sets of T1-weighted MR images obtained 1 year apart for every subject. ROIs chosen for analysis were the medulla oblongata and pons. Texture parameters were obtained for these ROIs for every subject, for the 2 sets of images. These parameters were compared longitudinally within groups and transversally between groups. RESULTS The comparison between patients and the control group showed a significant differences for the medulla oblongata (t test, P < .05, Bonferroni-corrected) but did not show a statistically significant difference for the pons. Longitudinal comparison of images obtained 1 year apart did not show differences for either patients or for controls, in any of the analyzed structures. CONCLUSIONS Gray level co-occurrence matrix-based texture analysis showed statistically significant differences for the medulla oblongata of patients with Friedreich ataxia compared with controls. These results highlight the medulla as an important site of damage in Friedreich ataxia.
Collapse
Affiliation(s)
- T A Santos
- From the Neurophysics Group (T.A.S., C.E.B.M., M.S.O., G.C.), Gleb Wataghin Physics Institute Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil
| | - C E B Maistro
- From the Neurophysics Group (T.A.S., C.E.B.M., M.S.O., G.C.), Gleb Wataghin Physics Institute Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil
| | - C B Silva
- Department of Neurology (C.B.S., M.C.F.), Medical Sciences School, University of Campinas, Brazil Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil
| | - M S Oliveira
- From the Neurophysics Group (T.A.S., C.E.B.M., M.S.O., G.C.), Gleb Wataghin Physics Institute Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil
| | - M C França
- Department of Neurology (C.B.S., M.C.F.), Medical Sciences School, University of Campinas, Brazil Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil
| | - G Castellano
- From the Neurophysics Group (T.A.S., C.E.B.M., M.S.O., G.C.), Gleb Wataghin Physics Institute Brazilian Institute of Neuroscience and Neurotechnology (BRAINN) (São Paulo Research Foundation) (T.A.S., C.E.B.M., C.B.S., M.S.O., M.C.F., G.C.), Campinas, São Paulo, Brazil.
| |
Collapse
|
50
|
Dias-Ferreira C, Santos T, Oliveira V. Hospital food waste and environmental and economic indicators--A Portuguese case study. Waste Manag 2015; 46:146-154. [PMID: 26427934 DOI: 10.1016/j.wasman.2015.09.025] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 08/07/2015] [Accepted: 09/18/2015] [Indexed: 06/05/2023]
Abstract
This study presents a comprehensive characterization of plate waste (food served but not eaten) at an acute care hospital in Portugal and elaborates on possible waste reduction measures. Even though waste prevention is a priority in Europe, large amounts of food are still being wasted every day, with hospitals giving rise to two to three times more food waste than other foodservice sectors. For this work the plate waste arising at the ward level was audited during 8 weeks, covering almost 8000 meals, using a general hospital as case study. Weighing the food served to patients and that returned after the meal allowed calculating plate waste for the average meal, as well as for individual meal items. Comparison of food waste arising showed that differences exist among wards, with some generating more waste than others. On average each patient throws away 953 g of food each day, representing 35% of the food served. This equates to 8.7 thousand tonnes of food waste being thrown away each year at hospitals across Portugal. These tonnes of food transformed into waste represent economic losses and environmental impacts, being estimated that 16.4 thousand tonnes of CO2 (equivalent) and 35.3 million euros are the annual national indicators in Portugal. This means that 0.5% of the Portuguese National Health budget gets thrown away as food waste. Given the magnitude of the food problem five measures were suggested to reduce food waste, and their potential impact and ease of implementation were discussed. Even though food waste is unavoidable the results obtained in this work highlight the potential financial and environmental savings for Portuguese hospitals, providing a basis to establish future strategies to tackle food waste.
Collapse
Affiliation(s)
- C Dias-Ferreira
- CERNAS - Research Centre for Natural Resources, Environment and Society, Instituto Politecnico de Coimbra, Escola Superior Agrária de Coimbra, Bencanta, 3045-601 Coimbra, Portugal; Materials and Ceramic Engineering Department, CICECO, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - T Santos
- CERNAS - Research Centre for Natural Resources, Environment and Society, Instituto Politecnico de Coimbra, Escola Superior Agrária de Coimbra, Bencanta, 3045-601 Coimbra, Portugal
| | - V Oliveira
- CERNAS - Research Centre for Natural Resources, Environment and Society, Instituto Politecnico de Coimbra, Escola Superior Agrária de Coimbra, Bencanta, 3045-601 Coimbra, Portugal
| |
Collapse
|