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1.
Traffic ; 23(12): 587-599, 2022 12.
Artigo em Inglês | MEDLINE | ID: mdl-36353954

RESUMO

Chromosomal region maintenance 1 (CRM1 also known as Xpo1 and exportin-1) is the receptor for the nuclear export controlling the intracellular localization and function of many cellular and viral proteins that play a crucial role in viral infections and cancer. The inhibition of CRM1 has emerged as a promising therapeutic approach to interfere with the lifecycle of many viruses, for the treatment of cancer, and to overcome therapy resistance. Recently, selinexor has been approved as the first CRM1 inhibitor for the treatment of multiple myeloma, providing proof of concept for this therapeutic option with a new mode of action. However, selinexor is associated with dose-limiting toxicity and hence, the discovery of alternative small molecule leads that could be developed as less toxic anticancer and antiviral therapeutics will have a significant impact in the clinic. Here, we report a CRM1 inhibitor discovery platform. The development of this platform includes reporter cell lines that monitor CRM1 activity by using red fluorescent protein or green fluorescent protein-labeled HIV-1 Rev protein with a strong heterologous nuclear export signal. Simultaneously, the intracellular localization of other proteins, to be interrogated for their capacity to undergo CRM1-mediated export, can be followed by co-culturing stable cell lines expressing fluorescent fusion proteins. We used this platform to interrogate the mode of nuclear export of several proteins, including PDK1, p110α, STAT5A, FOXO1, 3, 4 and TRIB2, and to screen a compound collection. We show that while p110α partially relies on CRM1-dependent nuclear export, TRIB2 is exported from the nucleus in a CRM1-independent manner. Compound screening revealed the striking activity of an organoselenium compound on the CRM1 nuclear export receptor.


Assuntos
HIV-1 , Transporte Ativo do Núcleo Celular , HIV-1/metabolismo , Carioferinas/metabolismo , Triazóis/metabolismo , Hidrazinas/farmacologia , Hidrazinas/metabolismo , Núcleo Celular/metabolismo
2.
Molecules ; 27(17)2022 Aug 24.
Artigo em Inglês | MEDLINE | ID: mdl-36080182

RESUMO

Forkhead box O (FOXO) proteins are transcription factors involved in cancer and aging and their pharmacological manipulation could be beneficial for the treatment of cancer and healthy aging. FOXO proteins are mainly regulated by post-translational modifications including phosphorylation, acetylation and ubiquitination. As these modifications are reversible, activation and inactivation of FOXO factors is attainable through pharmacological treatment. One major regulatory input of FOXO signaling is mediated by protein kinases. Here, we use specific inhibitors against different kinases including PI3K, mTOR, MEK and ALK, and other receptor tyrosine kinases (RTKs) to determine their effect on FOXO3 activity. While we show that inhibition of PI3K efficiently drives FOXO3 into the cell nucleus, the dual PI3K/mTOR inhibitors dactolisib and PI-103 induce nuclear FOXO translocation more potently than the PI3Kδ inhibitor idelalisib. Furthermore, specific inhibition of mTOR kinase activity affecting both mTORC1 and mTORC2 potently induced nuclear translocation of FOXO3, while rapamycin, which specifically inhibits the mTORC1, failed to affect FOXO3. Interestingly, inhibition of the MAPK pathway had no effect on the localization of FOXO3 and upstream RTK inhibition only weakly induced nuclear FOXO3. We also measured the effect of the test compounds on the phosphorylation status of AKT, FOXO3 and ERK, on FOXO-dependent transcriptional activity and on the subcellular localization of other FOXO isoforms. We conclude that mTORC2 is the most important second layer kinase negatively regulating FOXO activity.


Assuntos
Fatores de Transcrição Forkhead , Serina-Treonina Quinases TOR , Proteína Forkhead Box O3/genética , Proteína Forkhead Box O3/metabolismo , Fatores de Transcrição Forkhead/genética , Fatores de Transcrição Forkhead/metabolismo , Alvo Mecanístico do Complexo 1 de Rapamicina , Alvo Mecanístico do Complexo 2 de Rapamicina , Fosfatidilinositol 3-Quinases/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo
3.
Int Urogynecol J ; 31(2): 267-275, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31183535

RESUMO

INTRODUCTION AND HYPOTHESIS: Lower urinary tract symptoms (LUTS) affect up to 80% of patients with multiple sclerosis (MS). The present randomized, open-label, clinical trial examines the effectiveness, as a conservative treatment for LUTS, of a physiotherapist-guided pelvic floor muscle training (PFMT) program adapted for patients with relapsing-remitting multiple sclerosis (RRMS) and urinary incontinence (UI). METHODS: Forty-eight patients with RRMS were randomly assigned to a 12-week PFMT program with or without physiotherapist guidance. The primary endpoint was the reduction in urinary leakages after 12 weeks of following the program. The secondary variables assessed were quality of life (QoL), UI severity, LUTS, and treatment adherence. RESULTS: Forty patients completed the program. No significant differences in baseline characteristics were seen between the two treatment groups. At 12 weeks, both groups reported a significantly reduced number of leakages compared with baseline (P < 0.001), with no significant differences seen between groups (P = 0.210). In the physiotherapist-guided group, significant differences were found in QoL, UI severity, and LUTS between baseline and 12 weeks, for both male and female subjects. No significant differences in adherence were seen between the two treatment groups. CONCLUSIONS: No difference in leakage reduction was seen between physiotherapist-guided and unguided PFMT. However, the physiotherapist-guided program was associated with improvements in UI severity, QoL, and LUTS in women and men. The guided PFMT group also showed a trend towards better adherence to treatment. CLINICAL TRIAL REGISTRATION: No. NCT03000647; Title: "Guided Versus Non-Guided Pelvic Floor Exercises for Urinary Incontinence in Relapsing-Remitting Multiple Sclerosis."


Assuntos
Terapia por Exercício/métodos , Sintomas do Trato Urinário Inferior/terapia , Esclerose Múltipla/fisiopatologia , Incontinência Urinária/terapia , Adulto , Tratamento Conservador , Feminino , Humanos , Sintomas do Trato Urinário Inferior/etiologia , Sintomas do Trato Urinário Inferior/fisiopatologia , Masculino , Pessoa de Meia-Idade , Esclerose Múltipla/complicações , Força Muscular , Diafragma da Pelve/fisiopatologia , Resultado do Tratamento , Incontinência Urinária/etiologia , Incontinência Urinária/fisiopatologia
4.
Int J Mol Sci ; 21(10)2020 May 21.
Artigo em Inglês | MEDLINE | ID: mdl-32455640

RESUMO

The adaptation of adenoviruses as gene delivery tools has resulted in the development of high-capacity adenoviral vectors (HC-AdVs), also known, helper-dependent or "gutless". Compared with earlier generations (E1/E3-deleted vectors), HC-AdVs retain relevant features such as genetic stability, remarkable efficacy of in vivo transduction, and production at high titers. More importantly, the lack of viral coding sequences in the genomes of HC-AdVs extends the cloning capacity up to 37 Kb, and allows long-term episomal persistence of transgenes in non-dividing cells. These properties open a wide repertoire of therapeutic opportunities in the fields of gene supplementation and gene correction, which have been explored at the preclinical level over the past two decades. During this time, production methods have been optimized to obtain the yield, purity, and reliability required for clinical implementation. Better understanding of inflammatory responses and the implementation of methods to control them have increased the safety of these vectors. We will review the most significant achievements that are turning an interesting research tool into a sound vector platform, which could contribute to overcome current limitations in the gene therapy field.


Assuntos
Adenoviridae/genética , Tratamento Farmacológico/métodos , Vetores Genéticos/genética , Adenoviridae/imunologia , Animais , Vetores Genéticos/efeitos adversos , Vetores Genéticos/normas , Instabilidade Genômica , Humanos
5.
Fam Process ; 59(1): 111-126, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-30339277

RESUMO

Scene-Based Psychodramatic Family Therapy (SB-PFT) is an innovative treatment used with troubled adolescents and their parents to improve family relationships and reduce adolescents' problematic behavior. It integrates the principles of family therapy, psychodrama, and multiple-family group methodology. This research is a pilot study to obtain empirical evidence on the SB-PFT therapeutic process by gauging the perception of change of troubled adolescents and their parents, and assess the perceived helpfulness of its methodology and techniques. Ten multiple-family intervention groups were drawn up, with 110 participants (63 adolescents and 47 parents), and we adopted a qualitative methodology with focus groups, using an inductive analysis of 290 active constructions of participant narratives. Concerning perception of change, the adolescents reported mainly gaining in social support, prosocial attitudes, keys to problem solving, and expression of emotions due to the treatment. The parents perceived improvement in social support, keys for educational practices, emotional well-being, and expression of emotions due to the treatment. Regarding the perceived helpfulness of methodology and techniques, both adolescents and parents highlighted the usefulness of the group methodology for gaining social support, relativizing the problem, and expressing emotions. Additionally, participants referred to role-playing and mirror techniques as the most useful techniques. In conclusion, this first study on SB-PFT presents and describes its treatment for troubled adolescents and their parents. The participants' positive perception of their personal and relational change after treatment should serve to promote further studies with quantitative methodology in order to verify the effectiveness of SB-PFT treatment.


La terapia familiar psicodramática basada en escenas (SB-PFT, por sus siglas en inglés) es un tratamiento innovador usado con adolescentes conflictivos y sus padres para mejorar las relaciones familiares y disminuir el comportamiento problemático de los adolescentes. Integra los principios de la terapia familiar, del psicodrama y de la metodología grupal multifamiliar. Esta investigación es un estudio piloto para obtener conocimiento empírico sobre el proceso terapéutico de la SB-PFT mediante la medición de la percepción de cambio de los adolescentes conflictivos y sus padres, y para evaluar la utilidad percibida de esta metodología y técnica. Se formaron diez grupos multifamiliares de intervención con 110 participantes (63 adolescentes y 47 padres), y adoptamos una metodología cualitativa con grupos focales utilizando un análisis inductivo de 290 construcciones activas de historias de los participantes. Con respecto a la percepción de cambio, los adolescentes informaron un aumento pricipalmente del apoyo social, de las actitudes prosociales, de las claves para resolver problemas y de la expresión de emociones debido al tratamiento. Los padres percibieron una mejora del apoyo social, de las claves para las prácticas educativas, del bienestar emocional y de la expresión de emociones debido al tratamiento. Con respecto a la utilidad percibida de la metodología y las técnicas, tanto los adolescentes como los padres destacaron la utilidad de la metodología de grupo para obtener apoyo social, relativizar el problema y expresar emociones. Además, los participantes se refirieron al juego de roles y a las técnicas del espejo como las más útiles. En resumen, este primer estudio sobre la SB-PFT presenta y describe su tratamiento para adolescentes conflictivos y sus padres. La percepción positiva de los participantes de su cambio personal y relacional después del tratamiento debería servir para promover más estudios con una metodología cuantitativa a fin de verificar la eficacia del tratamiento con la SB-PFT.


Assuntos
Comportamento do Adolescente/psicologia , Relações Familiares/psicologia , Terapia Familiar/métodos , Comportamento Problema/psicologia , Psicodrama/métodos , Adolescente , Adulto , Feminino , Grupos Focais , Humanos , Masculino , Pessoa de Meia-Idade , Pais/psicologia , Projetos Piloto , Pesquisa Qualitativa , Modelo Transteórico , Resultado do Tratamento
6.
Int J Mol Sci ; 20(16)2019 Aug 13.
Artigo em Inglês | MEDLINE | ID: mdl-31412541

RESUMO

The extraction and enzymatic hydrolysis of collagen from sheepskins at different times of hydrolysis (0, 10, 15, 20, 30 min, 1, 2, 3 and 4 h) were investigated in terms of amino acid content (hydroxyproline), isoelectric point, molecular weight (Mw) by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) method, viscosity, Fourier-transform infrared (FTIR) spectroscopy, antioxidant capacity by 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) assays, thermal properties (Differential Scanning Calorimetry) and morphology by scanning electron microscopy (SEM) technique. The kinetics of hydrolysis showed an increase in the protein and hydroxyproline concentration as the hydrolysis time increased to 4 h. FTIR spectra allowed us to identify the functional groups of hydrolysed collagen (HC) in the amide I region for collagen. The isoelectric point shifted to lower values compared to the native collagen precursor. The change in molecular weight and viscosity from time 0 min to 4 h promoted important antioxidant activity in the resulting HC. The lower the Mw, the greater the ability to donate an electron or hydrogen to stabilize radicals. From the SEM images it was evident that HC after 2 h had a porous and spongy structure. These results suggest that HC could be a good alternative to replace HC from typical sources like pigs, cows and fish.


Assuntos
Antioxidantes/química , Antioxidantes/farmacologia , Colágeno/química , Peptídeos/química , Peptídeos/farmacologia , Aminoácidos/química , Animais , Hidrólise , Ponto Isoelétrico , Peso Molecular , Ovinos , Pele/química , Espectroscopia de Infravermelho com Transformada de Fourier , Termodinâmica , Viscosidade
7.
Children (Basel) ; 11(3)2024 Feb 29.
Artigo em Inglês | MEDLINE | ID: mdl-38539326

RESUMO

(1) Background: Interparental conflict is a phenomenon that poses a serious threat not only to the quality of life of the couple but also to the father-child relationship, mother-child relationship, and well-being of adolescents. This study examined the difference in parental attachment and adjustment in adolescents exposed to marital conflict versus those not exposed to parental conflicts in low-income areas. (2) Methods: 67 adolescents involved in Child Welfare Services (CWS) in disadvantaged neighbourhoods in southern Spain were examined. The sample was split into two groups according to the exposure to marital conflict. Subsequently, differences between groups were analysed on father attachment, mother attachment, aggression, antisocial behaviour, and emotional intelligence. (3) Results: Primarily, the data showed significantly worse attachment with the father among conflict-exposed versus non-conflict-exposed adolescents. These results were not found for the attachment with the mother. Additionally, greater anger and worse stress management were found in conflict-exposed adolescents. (4) Conclusions: The results partially confirmed the spillover and compensatory hypothesis. Practical implications point out that developing preventive interventions that protect the father-adolescent attachment in situations of family conflict is recommended.

8.
FEBS Open Bio ; 14(5): 726-739, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38514457

RESUMO

Taenia solium can cause human taeniasis and/or cysticercosis. The latter can in some instances cause human neurocysticercosis which is considered a priority in disease-control strategies and the prevention of mental health problems. Glutathione transferases are crucial for the establishment and long-term survival of T. solium; therefore, we structurally analyzed the 24-kDa glutathione transferase gene (Ts24gst) of T. solium and biochemically characterized its product. The gene promoter showed potential binding sites for transcription factors and xenobiotic regulatory elements. The gene consists of a transcription start site, four exons split by three introns, and a polyadenylation site. The gene architecture is conserved in cestodes. Recombinant Ts24GST (rTs24GST) was active and dimeric. Anti-rTs24GST serum showed slight cross-reactivity with human sigma-class GST. A 3D model of Ts24GST enabled identification of putative residues involved in interactions of the G-site with GSH and of the H-site with CDNB and prostaglandin D2. Furthermore, rTs24GST showed optimal activity at 45 °C and pH 9, as well as high structural stability in a wide range of temperatures and pHs. These results contribute to the better understanding of this parasite and the efforts directed to fight taeniasis/cysticercosis.


Assuntos
Glutationa Transferase , Taenia solium , Taenia solium/genética , Taenia solium/enzimologia , Animais , Glutationa Transferase/genética , Glutationa Transferase/metabolismo , Glutationa Transferase/química , Humanos , Modelos Moleculares , Proteínas Recombinantes/genética , Proteínas Recombinantes/metabolismo , Proteínas Recombinantes/química , Regiões Promotoras Genéticas/genética
9.
J Cardiovasc Dev Dis ; 11(5)2024 Apr 30.
Artigo em Inglês | MEDLINE | ID: mdl-38786964

RESUMO

BACKGROUND: Transthyretin cardiac amyloidosis (ATTR amyloidosis) is a frequent etiology of heart failure. Inflammation and mineral metabolism are associated with myocardial dysfunction and clinical performance. Cardiac global longitudinal strain (GLS) allows function assessment and is associated with prognosis. Our aim was to describe possible correlations between GLS, biomarker levels and clinical performance in ATTR amyloidosis. METHODS: Thirteen patients with ATTR amyloidosis were included. Clinical characteristics; echocardiographic features, including strain assessment and 6 min walk test (6MWT); and baseline inflammatory, mineral metabolism and cardiovascular biomarker levels were assessed. RESULTS: Of the 13 patients, 46.2% were women, and the mean age was 79 years. TAPSE correlated with NT-ProBNP (r -0.65, p < 0.05) and galectin-3 (r 0.76, p < 0.05); E/E' ratio correlated with hsCRP (r 0.58, p < 0.05). Left ventricular GLS was associated with NT-ProBNP (r 0.61, p < 0.05) (patients have a better prognosis if the strain value is more negative) and left atrial GLS with NT-ProBNP (r -0.73, p < 0.05) and MCP1 (r 0.55, p < 0.05). Right ventricular GLS was correlated with hsTnI (r 0.62, p < 0.05) and IL6 (r 0.881, p < 0.05). Klotho levels were correlated with 6MWT (r 0.57, p < 0.05). CONCLUSIONS: While inflammatory biomarkers were correlated with cardiac function, klotho levels were associated with clinical performance in the population with TTR-CA.

10.
Healthcare (Basel) ; 11(5)2023 Mar 04.
Artigo em Inglês | MEDLINE | ID: mdl-36900760

RESUMO

Despite the last few decades' advances towards social and gender justice, reproductive decisions are still a source of oppression for many European Romani women and girls. This protocol aims to propose a model to empower Romani women and girls' reproductive decisions, inspired by Reproductive Justice-the recognition of women and girls' ability to make safe and free decisions about their bodies and reproduction. Through Participatory Action Research, 15-20 Romani girls and their families, two Romani platforms, and key agents from a rural and an urban context in Spain will participate. They will (1) contextualize Romani women and girls' inequities, (2) build partnerships, (3) implement Photovoice and advocate for their gender rights, and (4) assess the initiative's related changes, using self-evaluation techniques. Qualitative and quantitative indicators will be collected to assess impacts among participants, while tailoring and assuring the quality of the actions. Expected outcomes include the creation and consolidation of new social networks, and the promotion of Romani women and girls' leadership. For this, Romani organizations must be transformed into empowering settings for their communities, spaces where Romani women and girls assume responsibility of the initiatives, being these tailored to their real needs and interests, and guaranteeing transformative social changes.

11.
Curr Dev Nutr ; 7(12): 102047, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38162996

RESUMO

Background: In Ecuador, the number of adults on hemodialysis (HD) continues to rise. Currently, the effect dietary habits and socioeconomic status (SES) have on blood pressure is not known for those on HD. Objectives: The objectives of this study focused on adults on HD in Quito, Ecuador to 1) assess the relationship between dietary intake and SES; 2) compare dietary intake to the Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines; and 3) explore the relationship between dietary intake and systolic blood pressure. Methods: This cross-sectional study was conducted at the dialysis center within Eugenio Espejo Specialties Hospital in Quito, Ecuador between May and June 2022 among 50 adults on HD. Three 24-h recalls were used to determine average dietary intake and the 25-item Instituto Nacional de Estadística y Censos-Stratification of SES was used to determine SES. Electrolytes and 2 blood pressure readings were collected. Qualitative narrative data analysis was performed to identify themes using NVivo v12. T-tests of independence, simple, and multiple linear regressions using age and sex as confounders were conducted using R and a P < 0.05 was deemed as statistically significant. Results: On an average, 76% of participants consumed <25 kcal/kg body weight energy and 64% consumed <1 g protein/kg body weight. Participants consumed less energy and protein compared with the KDOQI guidelines (P < 0.05). Positive relationships were observed with potassium and blood pressure (ß = 0.020, P < 0.05) and SES with energy, protein, and phosphorus (P < 0.05). Themes that were identified as contributing to dietary intake were limited knowledge, lack of consistency with dietary information, and limited appetite. Conclusions: Findings from this study indicate that the focus should be on improving energy and protein intake for this population.

12.
Pathogens ; 12(5)2023 May 04.
Artigo em Inglês | MEDLINE | ID: mdl-37242348

RESUMO

A cysticercosis model of Taenia crassiceps ORF strain in susceptible BALB/c mice revealed a Th2 response after 4 weeks, allowing for the growth of the parasite, whereas resistant C57BL/6 mice developed a sustained Th1 response, limiting parasitic growth. However, little is known about how cysticerci respond to an immunological environment in resistant mice. Here, we show that the Th1 response, during infection in resistant C57BL/6 mice, lasted up to 8 weeks and kept parasitemia low. Proteomics analysis of parasites during this Th1 environment showed an average of 128 expressed proteins; we chose 15 proteins whose differential expression varied between 70 and 100%. A total of 11 proteins were identified that formed a group whose expression increased at 4 weeks and decreased at 8 weeks, and another group with proteins whose expression was high at 2 weeks and decreased at 8 weeks. These identified proteins participate in tissue repair, immunoregulation and parasite establishment. This suggests that T. crassiceps cysticerci in mice resistant under the Th1 environment express proteins that control damage and help to establish a parasite in the host. These proteins could be targets for drugs or vaccine development.

13.
Exp Parasitol ; 130(1): 32-8, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22019409

RESUMO

Cytosolic Cu,Zn superoxide dismutase (Cu,Zn-SOD) catalyzes the dismutation of superoxide (O(2)(-)) to oxygen and hydrogen peroxide (H(2)O(2)) and plays an important role in the establishment and survival of helminthes in their hosts. In this work, we describe the Taenia solium Cu,Zn-SOD gene (TsCu,Zn-SOD) and a Taenia crassiceps (TcCu,Zn-SOD) cDNA. TsCu,Zn-SOD gene that spans 2.841 kb, and has three exons and two introns; the splicing junctions follow the GT-AG rule. Analysis in silico of the gene revealed that the 5'-flanking region has three putative TATA and CCAAT boxes, and transcription factor binding sites for NF1 and AP1. The transcription start site was a C, located at 22 nucleotides upstream of the translation start codon (ATG). Southern blot analysis showed that TcCu,Zn-SOD and TsCu,Zn-SOD genes are encoded by a single copy. The deduced amino acid sequences of TsCu,Zn-SOD gene and TcCu,Zn-SOD cDNA reveal 98.47% of identity, and the characteristic motives, including the catalytic site and ß-barrel structure of the Cu,Zn-SOD. Proteomic and immunohistochemical analysis indicated that Cu,Zn-SOD does not have isoforms, is distributed throughout the bladder wall and is concentrated in the tegument of T. solium and T. crassiceps cysticerci. Expression analysis revealed that TcCu,Zn-SOD mRNA and protein expression levels do not change in cysticerci, even upon exposure to O(2)(-) (0-3.8 nmol/min) and H(2)O(2) (0-2mM), suggesting that this gene is constitutively expressed in these parasites.


Assuntos
DNA Complementar/genética , Genes de Helmintos/genética , Superóxido Dismutase/genética , Taenia solium/genética , Sequência de Aminoácidos , Animais , Sequência de Bases , Southern Blotting , Western Blotting , Clonagem Molecular , DNA Complementar/química , DNA de Helmintos/genética , Feminino , Regulação Enzimológica da Expressão Gênica , Peróxido de Hidrogênio/metabolismo , Camundongos , Camundongos Endogâmicos BALB C , Dados de Sequência Molecular , Superóxido Dismutase/química , Superóxido Dismutase/metabolismo , Superóxidos/metabolismo , Taenia/genética , Taenia solium/enzimologia
14.
Hip Int ; 32(4): 530-536, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33428860

RESUMO

BACKGROUND: Trochanteric bursitis or greater trochanteric pain syndrome is a common disorder and frequent cause of lateral hip pain. It can lead to severe functional impairment with increase morbidity and poor quality of life.The purpose of the current study was to identify and evaluate relationship between health-related factors, as prognostic indicators, and clinical outcomes. METHODS: A single-centre, prospective study was conducted and 60 patients (62 hips) were included with a minimum 12 months of follow-up. Clinical outcomes were evaluated using Hip Outcome Scale, Single Assessment Numeric Evaluation and Visual Analogue Scale. Radiological assessments and health-related factors were documented in an attempt to understand their validity as predictors of clinical outcomes. Complications and recurrence rates were also analyzed. RESULTS: Univariate model revealed that an increased BMI (p = 0.001; OR = 1.05; 95% CI, 1.02-1.07); number of previous corticosteroid infiltrations (p = 0.001; OR = 1.28, 95% CI, 1.11-1.48); longer time from symptom onset to surgery (p = 0.001; OR = 1.19; 95% CI, 1.12-1.28); smoker status (p = 0.001; OR 11.2; 95% CI, 3.30-44.2); and the presence of prior lumbosacral fusion (LSF) (p = 0.001; OR 13.8; 95% CI, 2.96-101); were prognostic factors predisposing for poor clinical outcomes.Among prognostic health-related factors were medical comorbidities such as emotional distress (p < 0.001; OR 26.1; 95% CI, 5.71-192); fibromyalgia (p = 0.026; OR 3.56; 95% CI, 1.16-11.7); and hyporthyroidism (p = 0.005, OR = 6.55, 95% CI, 1.73-28.7). CONCLUSIONS: Better overall physical function was predicted by lower number of corticosteroid infiltrations, shorter time span from symptom onset to surgery, non-smoker status and the absence of prior lumbosacral fusion. Obesity, smoking, the presence of emotional distress, fibromyalgia and hypothyroidism seem to increase the risk of poor clinical outcomes. A proper selection and/or correction of modifiable prognostic factors could reduce the incidence of endoscopic treatment failure and, as a consequence, improve patient outcomes and quality of life. However, future efforts should focus on experimental and randomised studies to fully determine these associations.


Assuntos
Artroplastia de Quadril , Bursite , Fibromialgia , Corticosteroides/uso terapêutico , Bursite/complicações , Bursite/diagnóstico , Bursite/cirurgia , Fibromialgia/complicações , Fibromialgia/patologia , Fibromialgia/cirurgia , Articulação do Quadril/cirurgia , Humanos , Dor/complicações , Dor/patologia , Dor/cirurgia , Prognóstico , Estudos Prospectivos , Qualidade de Vida , Resultado do Tratamento
15.
BMJ Glob Health ; 7(11)2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-36379592

RESUMO

INTRODUCTION: This study aimed to determine the prevalence of unsafe listening practices from exposure to personal listening devices (PLDs) and loud entertainment venues in individuals aged 12-34 years, and to estimate the number of young people who could be at risk of hearing loss from unsafe listening worldwide. METHODS: We conducted a systematic review and meta-analysis to estimate the prevalence of unsafe listening practices from PLDs and loud entertainment venues. We searched three databases for peer-reviewed articles published between 2000 and 2021 that reported unsafe listening practices in individuals aged 12-34 years. Pooled prevalence estimates (95% CI) of exposed populations were calculated using random effects models or ascertained from the systematic review. The number of young people who could be at risk of hearing loss worldwide was estimated from the estimated global population aged 12-34 years, and best estimates of exposure to unsafe listening ascertained from this review. RESULTS: Thirty-three studies (corresponding to data from 35 records and 19 046 individuals) were included; 17 and 18 records focused on PLD use and loud entertainment venues, respectively. The pooled prevalence estimate of exposure to unsafe listening from PLDs was 23.81% (95% CI 18.99% to 29.42%). There was limited certainty (p>0.50) in our pooled prevalence estimate for loud entertainment venues. Thus, we fitted a model as a function of intensity thresholds and exposure duration to identify the prevalence estimate as 48.20%. The global estimated number of young people who could be at risk of hearing loss from exposure to unsafe listening practices ranged from 0.67 to 1.35 billion. CONCLUSIONS: Unsafe listening practices are highly prevalent worldwide and may place over 1 billion young people at risk of hearing loss. There is an urgent need to prioritise policy focused on safe listening. The World Health Organization provides comprehensive materials to aid in policy development and implementation.


Assuntos
Perda Auditiva , Adolescente , Adulto Jovem , Humanos , Prevalência , Organização Mundial da Saúde
16.
Acta Trop ; 227: 106294, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34963579

RESUMO

Neurocysticercosis caused by Taenia solium larvae is a neglected disease that persists in several countries, including Mexico, and causes a high disability-adjusted life year burden. Neuroimaging tools such as computed tomography and magnetic resonance imaging are the most efficient for its detection, but low availability and high costs in most endemic regions limit their use. Serological methods such as lentil lectin-purified glycoprotein enzyme-linked immunoelectrotransfer blot antibody detection and monoclonal antibody-based enzyme-linked immunosorbent assays for HP10 antigen detection have been useful in supporting the diagnosis of this disease. We evaluated three T. solium recombinant antigens: glutathione transferase of 26 kDa (Ts26GST); thioredoxin-1 (TsTrx-1), and endophilin B1 (TsMEndoB1) by EITB. These are antigenic proteins antigenic, abundant in excretion/secretion products of the parasite, and do not cross-react with homologous host proteins. Ts26GST and TsTrx-1 showed sensitivity of 79 and 88%, specificity of 86 and 97%, PPV of 83 and 97% and NPV of 82 and 91%, respectively, for neurocysticercosis diagnosis. The recombinant antigens allowed the diagnosis of 70% (Ts26GST) and 80% (TsTrx-1) of patients having only one cysticercus. Further studies on specific regions of these proteins could improve T. solium diagnostics.


Assuntos
Neurocisticercose , Taenia solium , Animais , Anticorpos Anti-Helmínticos , Antígenos de Helmintos/genética , Ensaio de Imunoadsorção Enzimática/métodos , Glutationa Transferase/genética , Humanos , Neurocisticercose/diagnóstico , Neurocisticercose/parasitologia , Sensibilidade e Especificidade , Taenia solium/genética , Tiorredoxinas/genética
17.
Front Med (Lausanne) ; 9: 908551, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36059814

RESUMO

Background: Ecuador has been experiencing an epidemiological transition due to its demographic and lifestyle changes, where non-communicable diseases are the leading cause of death, including chronic kidney disease (CKD). Quito, Ecuador's capital city, is one of the cities burdened by CKD, yet it is unknown the factors that contribute to the rising incidence of this disease. The purpose of this study was to estimate the prevalence of CKD among non-institutionalized adults in Quito between 2019 and 2021, and to examine its associations with various risk factors. Methods: For the analysis of prevalence, the Kidney Disease: Improving Global Outcomes guidelines were used, where an estimated glomerular filtration rate (eGFR) of < 60 ml/min/1.73 m2 was counted as a presumed case of CKD. The Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation was used to calculate eGFR. Multiple linear regression models were used to determined associations between blood pressure, blood glucose, sex, and zone with eGFR. A t-test of independence was used to determine difference in means between sex and zone and eGFR. Results: A prevalence of 7.2% was found, in which almost 45% of the participants were classified within stages 2-4 of this disease. The risk factors that were significantly associated with eGFR were systolic blood pressure (ß = -0.43, p < 0.001), sex, and zone (p < 0.001). Conclusions: Overall a high prevalence of CKD was found among adults who visited SIME clinics in Quito. Associations between main risk factors and eGFR were found, yet further research is needed to explore CKD in Ecuador and its main cities.

18.
J Gerontol A Biol Sci Med Sci ; 77(8): 1485-1493, 2022 08 12.
Artigo em Inglês | MEDLINE | ID: mdl-34508571

RESUMO

Several chemical compounds including natural products have been suggested as being effective against age-related diseases or as beneficial for a healthy life. On the other hand, forkhead box O (FOXO) proteins are emerging as key cellular components associated with extreme human longevity. FOXO proteins are mainly regulated by posttranslational modifications and as these modifications are reversible, activation and inactivation of FOXO are attainable through pharmacological treatment. Here, we questioned whether a panel of compounds with known health-beneficial properties has the capacity to induce the activity of FOXO factors. We show that resveratrol, a phytoalexin present in grapes and other food products, the amide alkaloid piperlongumine found in the fruit of the long pepper, and the plant-derived ß-carboline compound harmine induced nuclear translocation of FOXO3. We also show that piperlongumine and harmine but not resveratrol activate FOXO-dependent transcription. We determined the half maximal effective concentration (EC50) values for resveratrol, piperlongumine, and harmine for FOXO translocation, and analyzed their inhibitory impact on chromosomal maintenance 1 (CRM1)-mediated nuclear export and the production of reactive oxygen species (ROS). We also used chemical biology approach and Western blot analysis to explore the underlying molecular mechanisms. We show that harmine, piperlongumine, and resveratrol activate FOXO3 independently of phosphoinositide 3-kinase (PI3K)/AKT signaling and the CRM1-mediated nuclear export. The effect of harmine on FOXO3 activity is at least partially mediated through the inhibition of dual-specificity tyrosine (Y) phosphorylationregulated kinase 1A (DYRK1A) and can be reverted by the inhibition of sirtuins (SIRTs).


Assuntos
Proteína Forkhead Box O3 , Proteínas Proto-Oncogênicas c-akt , Dioxolanos/farmacologia , Proteína Forkhead Box O3/metabolismo , Harmina/farmacologia , Humanos , Carioferinas , Fosfatidilinositol 3-Quinases , Receptores Citoplasmáticos e Nucleares , Resveratrol/farmacologia , Proteína Exportina 1
19.
Arch Esp Urol ; 75(7): 624-629, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-36214144

RESUMO

OBJECTIVES: To compare the efficacy of 4 different analgesic regimens that include music and nitrous oxide during the treatment of renal lithiasis with ambulatory extracorporeal shock wave lithotripsy (ESWL). MATERIALS AND METHODS: A single-centre, longitudinal, prospective, randomized, open and parallel group study was conducted. Patients with renal lithiasis were included and were randomized to Group A (basal analgesia: midazolam (1 mg), fentanyl (0.05 mg) and dexketoprofen (50 mg)), Group B (basal analgesia and nitrous oxide), Group C (basal analgesia and music) and Group D (basal analgesia, nitrous oxide and music). For the measurement of pain, a visual analogue scale ranging from 0 (no pain) to 100 (maximum pain imaginable) was used. Patient satisfaction was assessed using a Likert questionnaire. The epidemiological data of the patients in terms of lithiasis, previous clinical and ESWL sessions, and pain measured with the VAS before, during (maximum) at the end of the session and at discharge were recorded. Data on complications were also collected, as was the patients' subjective evaluation of the treatment and their satisfaction. The ESWL procedure was performed with a Storz Modulith SLX-F2® lithotripter. A maximum of 4000 waves were applied at a frequency of 1.5 Hz. RESULTS: Eighty patients were included (20 per group). None of the analgesia guidelines proved to be superior to the others for pain control during the ESWL session. Patients younger than 50 years had significantly higher values for the maximum VAS. Only 13.75% of patients required rescue analgesia. A total of 77.5% described their experience as good, very good or excellent, regardless of the assigned group. CONCLUSIONS: The addition of nitrous oxide and/or music did not result in a statistically significant improvement over the basal analgesia regimen of midazolam, fentanyl and dexketoprofen; however, the degree of patient satisfaction was very high.


Assuntos
Litíase , Litotripsia , Música , Analgésicos , Fentanila/uso terapêutico , Humanos , Cetoprofeno/análogos & derivados , Litíase/complicações , Litíase/tratamento farmacológico , Litotripsia/métodos , Midazolam/uso terapêutico , Óxido Nitroso/uso terapêutico , Dor/etiologia , Dor/prevenção & controle , Estudos Prospectivos , Trometamina
20.
J Biomed Biotechnol ; 2011: 504959, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-22253530

RESUMO

Humans acquire taeniasis by ingesting pork meat infected with Taenia solium cysticerci, which are the only definitive hosts of the adult stage (tapeworm) and responsible for transmitting the human and porcine cysticercosis. Hence, detection of human tapeworm carriers is a key element in the development of viable strategies to control the disease. This paper presents the identification of specific antigens using sera from hamsters infected with T. solium tapeworms analyzed by western blot assay with crude extracts (CEs) and excretion-secretion antigens (E/S Ag) obtained from T. solium cysticerci and tapeworms and extracts from other helminthes as controls. The hamster sera infected with T. solium tapeworms recognized specific bands of 72, 48, 36, and 24 kDa, in percentages of 81, 81, 90, and 88%, respectively, using the T. solium tapeworms E/S Ag. The antigens recognized by these hamster sera could be candidates to improve diagnosis of human T. solium taeniasis.


Assuntos
Anticorpos Anti-Helmínticos/sangue , Antígenos de Helmintos/imunologia , Cisticercose/imunologia , Cisticercose/parasitologia , Modelos Animais de Doenças , Taenia solium/imunologia , Animais , Anticorpos Anti-Helmínticos/imunologia , Cricetinae , Cysticercus/imunologia , Feminino , Soros Imunes/imunologia , Soros Imunes/metabolismo , Suínos , Teníase/diagnóstico , Teníase/imunologia
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