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1.
Heart Fail Rev ; 2024 Apr 17.
Artigo em Inglês | MEDLINE | ID: mdl-38630207

RESUMO

Heart failure (HF) is a prevalent global disease, particularly impacting developed countries. With the world's aging population, HF's impact on the quantity and quality of life is expected to grow. This review aims to ascertain the frequency, characteristics, and properties of all patient-reported outcomes measures (PROMs) studied in HF patients. We searched Ovid/Medline and Web of Science for original articles about PROMs performed in adults with HF. Using pre-established quality criteria for measurement properties, an overall rating was assigned to evaluate and compare different instruments. The quality of evidence was assessed with the COSMIN risk of bias checklist. Of 4283 records identified, we reviewed 296 full-text documents and included 64 papers, involving 30,185 participants. Thirty different PROMs were identified, with 14 specifically designed for HF being the most commonly used. Minnesota Living with Heart Failure (MLHF) and Kansas City Cardiomyopathy Questionnaire (KCCQ) were evaluated 16 and 13 times, respectively, demonstrating good psychometric properties. The MacNew Heart Disease Health-Related Quality of Life Questionnaire, a common heart disease-specific instrument, exhibited negative performances across various psychometric measures. Evidence for generic instruments was scant and unremarkable and they proved to be less responsive in HF populations. MLHF and KCCQ emerged as the most commonly used and well-supported PROMs, with robust overall evidence. They are comprehensive and accurate instruments, particularly suitable for application in clinical practice and research. Future research should explore how computer-adapted instruments can enhance precision, reduce respondent burden, and improve communication between clinicians and patients, thereby promoting more efficient and patient-centered services.

2.
Molecules ; 27(10)2022 May 17.
Artigo em Inglês | MEDLINE | ID: mdl-35630668

RESUMO

Fibroblast growth factor 21 (FGF21) signaling and genetic factors are involved in non-alcoholic fatty liver disease (NAFLD) pathogenesis. However, these factors have rarely been studied in type 2 diabetes mellitus (T2D) patients from admixed populations such as in those of Brazil. Therefore, we aimed to evaluate rs738409 patanin-like phospholipase domain-containing protein (PNPLA3) and rs499765 FGF21 polymorphisms in T2D, and their association with NAFLD, liver fibrosis, and serum biomarkers (FGF21 and cytokeratin 18 levels). A total of 158 patients were included, and the frequency of NAFLD was 88.6%, which was independently associated with elevated body mass index. Significant liver fibrosis (≥F2) was detected by transient elastography (TE) in 26.8% of NAFLD patients, and was independently associated with obesity, low density lipoprotein, and gamma-glutamyl transferase (GGT). PNPLA3 GG genotype and GGT were independently associated with cirrhosis. PNPLA3 GG genotype patients had higher GGT and AST levels; PNPLA3 GG carriers had higher TE values than CG patients, and FGF21 CG genotype patients showed lower gamma-GT values than CC patients. No differences were found in serum values of FGF21 and CK18 in relation to the presence of NAFLD or liver fibrosis. The proportion of NAFLD patients with liver fibrosis was relevant in the present admixed T2D population, and was associated with PNPLA3 polymorphisms.


Assuntos
Aciltransferases/sangue , Diabetes Mellitus Tipo 2 , Fatores de Crescimento de Fibroblastos/sangue , Hepatopatia Gordurosa não Alcoólica , Fosfolipases A2 Independentes de Cálcio/sangue , Biomarcadores , Diabetes Mellitus Tipo 2/complicações , Diabetes Mellitus Tipo 2/genética , Humanos , Lipase/genética , Lipase/metabolismo , Cirrose Hepática/complicações , Cirrose Hepática/genética , Proteínas de Membrana/genética , Proteínas de Membrana/metabolismo , Hepatopatia Gordurosa não Alcoólica/complicações , Hepatopatia Gordurosa não Alcoólica/genética
3.
Sensors (Basel) ; 21(8)2021 Apr 20.
Artigo em Inglês | MEDLINE | ID: mdl-33924207

RESUMO

Current clinical practice lacks consistent evidence in the management of scapular dyskinesis. This study aims to determine the short- and long-term effects of a scapular-focused exercise protocol facilitated by real-time electromyographic biofeedback (EMGBF) on pain and function, in individuals with rotator cuff related pain syndrome (RCS) and anterior shoulder instability (ASI). One-hundred and eighty-three patients were divided into two groups (n = 117 RCS and n = 66 ASI) and guided through a structured exercise protocol, focusing on scapular dynamic control. Values of pain and function (shoulder pain and disability index (SPADI) questionnaire, complemented by the numeric pain rating scale (NPRS) and disabilities of the arm, shoulder, and hand (DASH) questionnaire) were assessed at the initial, 4-week, and 2-year follow-up and compared within and between. There were significant differences in pain and function improvement between the initial and 4-week assessments. There were no differences in the values of DASH 1st part and SPADI between the 4-week and 2-year follow-up. There were no differences between groups at the baseline and long-term, except for DASH 1st part and SPADI (p < 0.05). Only 29 patients (15.8%) had a recurrence episode at follow-up. These results provide valuable information on the positive results of the protocol in the short- and long-term.


Assuntos
Instabilidade Articular , Articulação do Ombro , Biorretroalimentação Psicológica , Eletromiografia , Humanos , Estudos Prospectivos , Ombro , Dor de Ombro
4.
Microb Pathog ; 149: 104528, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33002597

RESUMO

Efflux pumps and ß-lactamases are mechanisms of bacterial resistance that exist in Staphylococcus aureus, where both mechanisms are expressed simultaneously in the SA K4100 strain, with its efflux pump being characterized as QacC (Quaternary Ammonium Compounds C). The search for inhibitors of these mechanisms has grown gradually, with research on isolated compounds, including terpenes, which have innumerable biological activities, being common. This study sought to evaluate the antibacterial activity of Terpinolene against the S. aureus K4100 strain, carrying a QacC efflux pump and ß-lactamase, as well as to evaluate its toxicity in the Drosophila melanogaster arthropod model. Determination of the Minimum Inhibitory Concentration (MIC) was performed by broth microdilution. Efflux pump inhibition was evaluated by the MIC reduction of Oxacillin and Ethidium Bromide (EtBr). ß-Lactamase inhibition was analyzed by the MIC reduction of Ampicillin with Sulbactam. Toxicity was verified by mortality parameters and locomotor assays in D. melanogaster. The results demonstrated that Terpinolene did not present a direct antibacterial activity (MIC ≥ 1024 µg/mL). However, a reduction in MIC was observed when Terpinolene was associated with Oxacillin (161.26-71.83 µg/mL) and EtBr (45.25-32 µg/mL), possibly by a ß-lactamase and efflux pump inhibition, thus evidencing a modulatory activity. Terpinolene presented D. melanogaster mortality with an EC50 of 34.6 µL/L within 12 h of exposure. Additionally, Terpinolene presented damage to the locomotor system after the second hour of exposure, with the effect increasing in a concentration-dependent manner. In conclusion, new tests should be carried out to investigate the Terpinolene reinforcement of antibiotic activity and toxic activity mechanisms of action.


Assuntos
Staphylococcus aureus Resistente à Meticilina , Staphylococcus aureus , Animais , Antibacterianos/toxicidade , Proteínas de Bactérias/genética , Monoterpenos Cicloexânicos , Drosophila melanogaster , Testes de Sensibilidade Microbiana , beta-Lactamases/genética
5.
Protoplasma ; 257(3): 911-920, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-31897810

RESUMO

Despite their great economic importance, relatively little is known about bamboo sexual reproduction because they usually spread through rhizomes and have long intervals between flowering periods. Bambusa tuldoides is no exception; the intervals between flowering periods are about 23 years and often do not result in successful caryopsis production. The aim of the present work was to characterize Bambusa tuldoides sexual reproduction at three stages of flower development and investigate possible male sterility. Pollen was cultured onto several types of culture medium in order to encourage germination, but not a single of the thousands of observed pollen germinated under any condition. Anthers and microspores were analyzed by scanning electron microscopy, transmission electron microscopy, and optical microscopy techniques. Anther dehiscence appeared to be normal when compared to other species. In contrast, microspores began to develop abnormally starting as early as the first flower development stage: retraction of the cytoplasm and rupture of the nuclear and mitochondria membrane. As the interior machinery of the microspores degenerated, starch accumulated within numerous amyloplasts during stages two to four of flower development. The sporoderms of these microspores were similarly incomplete: though they possessed an exine, they lacked an intine. The results here obtained suggest that the non-viability of these abnormal pollen grains prevents the development of Bambusa tuldoides caryopses.


Assuntos
Bambusa/química , Flores/crescimento & desenvolvimento , Infertilidade das Plantas/fisiologia
6.
Cancer Epidemiol ; 62: 101583, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31472325

RESUMO

BACKGROUND: Myeloid malignancies (MM) are heterogeneous when it comes to incidence rates and pathogenesis. These variation rates are important to generate hypotheses on causal aetiology. This study aimed to describe incidence and mortality patterns of MM among children, adolescents and young adults (cAYA) in Brazil and to evaluate trends in incidence and mortality rate overtime. METHODS: Data were extracted from a dataset of 15 Population-based Cancer Registries located in five Brazilian geographical regions and calculated by age-specific, crude, and age-standardized incidence (ASR) and mortality rates per million persons. Joinpoint regression analyses were performed for trends evaluations, regionally. Annual Percent Change (APC) and Average Annual Percent Change (AAPC) were also estimated. RESULTS: The overall ASR for incidence and mortality of MM in Brazil was 14.57 and 8.83 per million, respectively. The AML (non-APL AML and APL) incidence rate is 8.18 per million, whereas other MM subtypes altogether have an incidence rate of 2.62 per million, and not otherwise specified (NOS) is 3.70 per million. The analysis of incidence trends (AAPC) showed a significant decline in Manaus (-5.6%) and São Paulo (-4.7%), and a significant increase was observed in Fortaleza (5.8%). Mortality trends steadily declined in all registries, with significant declines occurring in Goiânia (-1.5%), Belo Horizonte (-2.3%), São Paulo (-2.5%), Curitiba (-2.8%) and Porto Alegre (-4.1%). CONCLUSION: Our findings showed differences in the incidence and mortality rates of MM in cAYA in Brazil, geographically. Infants-AML have the highest incidence within the cAYA population (17.42 per million). There was a substantial decrease in mortality rate observed, which was interpreted as an improvement in MM recognition and therapeutic approach.


Assuntos
Transtornos Mieloproliferativos/epidemiologia , Adolescente , Brasil , Criança , Pré-Escolar , Feminino , Humanos , Incidência , Lactente , Recém-Nascido , Masculino , Transtornos Mieloproliferativos/mortalidade , Sistema de Registros
7.
Food Chem ; 265: 86-95, 2018 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-29884399

RESUMO

Thyme (Thymus vulgaris) has been demonstrated to extend the shelf-life of food products, being also a potential source of bioactive compounds. The aim of this research was to optimize the ultrasound assisted extraction employing ß-cyclodextrin aqueous solutions as no-contaminant technology and Response Surface Methodology to obtain thyme extracts with the maximum antioxidant capacity. The optimal extraction conditions were: a solution of ß-ciclodextrin 15 mM, an ultrasonic treatment time of 5.9 min at a temperature of 36.6 °C. They resulted in an extract with a polyphenolic content of 189.3 mg GAE/mL, an antioxidant activity (DPPH) of 14.8 mg GAE/mL, and ferric reducing/antioxidant power (FRAP) of 3.3 mg GAE/mL. Interestingly, the extract demonstrated to inhibit the production of Maillard browning products and can be considered a potential antiglycant agent. The obtained data is important for developing eco-friendly technologies in order to obtain natural antioxidant extracts with a potential inhibitory capacity of Maillard glycation reaction.


Assuntos
Fracionamento Químico/métodos , Reação de Maillard , Extratos Vegetais/química , Extratos Vegetais/isolamento & purificação , Folhas de Planta/química , Thymus (Planta)/química , beta-Ciclodextrinas/química , Antioxidantes/química , Antioxidantes/isolamento & purificação , Ondas Ultrassônicas
8.
J Matern Fetal Neonatal Med ; 29(6): 1005-9, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25812674

RESUMO

OBJECTIVE: To analyze unfavorable outcomes at hospital discharge of preterm infants born at Brazilian public university centers. METHODS: Prospective cohort of 2646 inborn infants with gestational age 23-33 weeks and birth weight 400-1499 g, without malformations, born at 20 centers in 2012-2013. Unfavorable outcome was defined as in-hospital death or survival at hospital discharge with ≥1 major morbidities: bronchopulmonary dysplasia (BPD) at 36 corrected weeks, intraventricular hemorrhage (IVH) grades 3-4, periventricular leukomalacia (PVL) or surgically treated retinopathy of prematurity (ROP). RESULTS: Among 2646 infants, 1390 (53%) either died or survived with major morbidities: 793 (30%) died; 497 (19%) had BPD; 358 (13%) had IVH 3-4 or PVL; and 84 (3%) had ROP. Logistic regression adjusted by center showed association of unfavorable outcome with: antenatal steroids (OR 0.70; 95%CI 0.55-0.88), C-section (0.72; 0.58-0.90), gestational age <30 (4.00; 3.16-5.07), being male (1.44; 1.19-1.75), small for gestational age (2.19; 1.72-2.78), 5th-min Apgar <7 (3.89; 2.88-5.26), temperature at NICU admission <36.0 °C (1.42; 1.15-1.76), respiratory distress syndrome (3.87; 2.99-5.01), proven late sepsis (1.33; 1.05-1.69), necrotizing enterocolitis (3.10; 2.09-4.60) and patent ductus arteriosus (1.69; 1.37-2.09). CONCLUSIONS: More than half of the VLBW infants born at public university level 3 Brazilian hospitals either die or survive with major morbidities.


Assuntos
Centros Médicos Acadêmicos/estatística & dados numéricos , Mortalidade Infantil , Recém-Nascido de muito Baixo Peso , Brasil , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Estudos Prospectivos
9.
Int J STD AIDS ; 25(12): 878-86, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24567444

RESUMO

This study describes the prevalence of infection by Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis in a female population in Amazonas, Brazil. We collected cervical samples from 361 women examined at 10 primary care health services in the city of Coari, Amazonas, Brazil. The women were interviewed about socio-economic data, clinical history and sexual behaviour. Pelvic examinations were performed and cervical specimens were collected for detection of pathogens by PCR. The prevalence of infection was: 12.7% for Trichomonas vaginalis, 6.4% for Chlamydia trachomatis and 1.4% for Neisseria gonorrhoeae. There were no statistically significant associations between infections by any of the pathogens nor by any pathogen alone with any clinical variable, socio-demographic data or sexual behaviour. This study draws attention to the need for surveillance and possible need for screening for Chlamydia trachomatis, which often progresses asymptomatically. For the significant prevalence found, attention should also be given to asymptomatic infection by Trichomonas vaginalis, since this pathogen has recently been implicated as a risk factor for HIV infection.


Assuntos
Infecções por Chlamydia/epidemiologia , Chlamydia trachomatis/isolamento & purificação , Gonorreia/epidemiologia , Neisseria gonorrhoeae/isolamento & purificação , Vaginite por Trichomonas/epidemiologia , Trichomonas vaginalis/isolamento & purificação , Adulto , Brasil/epidemiologia , Infecções por Chlamydia/diagnóstico , Chlamydia trachomatis/genética , Feminino , Gonorreia/diagnóstico , Gonorreia/microbiologia , Humanos , Neisseria gonorrhoeae/genética , Reação em Cadeia da Polimerase , Prevalência , Atenção Primária à Saúde , Fatores de Risco , Comportamento Sexual , Infecções Sexualmente Transmissíveis/parasitologia , Vaginite por Trichomonas/parasitologia , Trichomonas vaginalis/genética , Adulto Jovem
10.
Infect Dis Obstet Gynecol ; 2013: 514859, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23997570

RESUMO

The aim of this study was to determine the prevalence of human papillomavirus (HPV) in a women population living within the state of Amazonas, Brazil, and to determine the viral genotypes found. The study included 361 sexually active women over 18 years of age. We performed the Pap test and the molecular diagnosis for HPV DNA using polymerase chain reaction (PCR). The amplicons obtained were sequenced in automatic sequencer for genotyping. The presence of HPV DNA was found in 29.1% (105) of the women. Only 321 women presented satisfactory slides for cytological diagnosis, 97.9% (314) had normal cytology (negative for cancer), and 2.1% (7) had abnormal cytology (4 ASCUS, 1 LSIL, and 2 HSIL). The types more frequently found were HPV 16 (58.1%) and HPV 58 (20.0%). Additionally, we found more 13 types of HPV. Compared with previous studies in Brazil, our data confirmed a high prevalence and genotypic diversity of HPV in Brazilian women.


Assuntos
Papillomaviridae/genética , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/virologia , Adulto , Brasil/epidemiologia , Feminino , Genótipo , Humanos , Papillomaviridae/isolamento & purificação , Prevalência , Neoplasias do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/virologia , Displasia do Colo do Útero/epidemiologia , Displasia do Colo do Útero/virologia
11.
Transgenic Res ; 21(5): 967-82, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22200984

RESUMO

Solanum tuberosum ssp. tuberosum (cv. Spunta) was transformed with a chimeric transgene containing the Potato virus Y (PVY) coat protein (CP) sequence. Screening for PVY resistance under greenhouse conditions yielded over 100 independent candidate lines. Successive field testing of selected lines allowed the identification of two genetically stable PVY-resistant lines, SY230 and SY233, which were further evaluated in field trials at different potato-producing regions in Argentina. In total, more than 2,000 individuals from each line were tested along a 6-year period. While no or negligible PVY infection was observed in the transgenic lines, infection rates of control plants were consistently high and reached levels of up to 70-80%. Parallel field studies were performed in virus-free environments to assess the agronomical performance of the selected lines. Tubers collected from these assays exhibited agronomical traits and biochemical compositions indistinguishable from those of the non-transformed Spunta cultivar. In addition, an interspecific out-crossing trial to determine the magnitude of possible natural gene flow between transgenic line SY233 and its wild relative Solanum chacoense was performed. This trial yielded negative results, suggesting an extremely low probability for such an event to occur.


Assuntos
Resistência à Doença , Fluxo Gênico , Plantas Geneticamente Modificadas/genética , Potyvirus/patogenicidade , Solanum tuberosum/genética , Agrobacterium tumefaciens/genética , Agrobacterium tumefaciens/metabolismo , Argentina , Proteínas do Capsídeo/genética , Proteínas do Capsídeo/imunologia , Proteínas do Capsídeo/metabolismo , Produtos Agrícolas/genética , Produtos Agrícolas/imunologia , Produtos Agrícolas/virologia , Cruzamentos Genéticos , Vetores Genéticos , Doenças das Plantas/imunologia , Doenças das Plantas/virologia , Plantas Geneticamente Modificadas/imunologia , Plantas Geneticamente Modificadas/virologia , Potyvirus/genética , Potyvirus/imunologia , Proteínas Recombinantes de Fusão/genética , Proteínas Recombinantes de Fusão/metabolismo , Alcaloides de Solanáceas/análise , Alcaloides de Solanáceas/metabolismo , Solanum tuberosum/imunologia , Solanum tuberosum/virologia , Transformação Genética , Transgenes
12.
J Sci Food Agric ; 91(14): 2551-7, 2011 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-21538367

RESUMO

BACKGROUND: Cyclodextrins (CDs) are able to enhance the solubility, stability and bioavailability of several bioactive hydrophobic compounds by complex formation. They can also be used for removal of undesired components (such as cholesterol, off-flavors or bitter components) present in foods. Although many patents account for the use of cyclodextrins for removal of cholesterol from dairy foods, there is no available information on the effect of water on encapsulation efficiency and on the stability of sterols in CDs. The aim of this work was to study the inclusion properties and the factors affecting the encapsulation and stability of cholesterol in ß-cyclodextrin (BCD). The optimum encapsulation conditions (ligand-CD molar ratio, stirring time and temperature), and stability of the complexes as a function of storage time and water content were analyzed. RESULTS: Phase solubility study pointed out the formation of 1:1 stoichiometric complexes between cholesterol and ß-cyclodextrin, which was influenced by temperature variations. The process was shown to be exothermic and energetically favored. The presence of cholesterol greatly modified the BCD water sorption curves, being the amount of adsorbed water smaller in the combined systems. The principal 'driving force' for complex formation is the substitution of the high-enthalpy water molecules by an appropriate hydrophobic ligand. The freeze-dried complexes probed to be stable at different storage conditions. CONCLUSION: The phase solubility and stability data obtained could be essential for selecting the most suitable conditions when CDs are employed either for removing cholesterol or to incorporate functional ingredients (i.e. sitosterol) in the development of innovative food products.


Assuntos
Colesterol/química , Complexos de Coordenação/química , Aditivos Alimentares/química , beta-Ciclodextrinas/química , Adsorção , Varredura Diferencial de Calorimetria , Manipulação de Alimentos , Alimentos Fortificados/análise , Liofilização , Temperatura Alta , Interações Hidrofóbicas e Hidrofílicas , Cinética , Ligantes , Transição de Fase , Fitosteróis/química , Solubilidade , Água/análise
13.
Diagn Microbiol Infect Dis ; 53(1): 71-3, 2005 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-15936914

RESUMO

Focal epithelial hyperplasia (FEH) is a rare infection caused by human papillomavirus (HPV) types 13 or 32 believed to infect exclusively oral mucosa. This report illustrates a case of multiple conjunctival papillomas similar to oral FEH caused by HPV-13, consisting in the first description of its infection outside the oral mucosa in a healthy patient.


Assuntos
Doenças da Túnica Conjuntiva/virologia , Papillomaviridae/isolamento & purificação , Infecções por Papillomavirus , Criança , Feminino , Humanos , Hiperplasia/virologia , Papiloma/patologia , Papiloma/virologia , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/patologia , Infecções por Papillomavirus/virologia
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