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1.
J Exp Med ; 221(5)2024 May 06.
Artigo em Inglês | MEDLINE | ID: mdl-38557723

RESUMO

CD4+ T cells are vital for host defense and immune regulation. However, the fundamental role of CD4 itself remains enigmatic. We report seven patients aged 5-61 years from five families of four ancestries with autosomal recessive CD4 deficiency and a range of infections, including recalcitrant warts and Whipple's disease. All patients are homozygous for rare deleterious CD4 variants impacting expression of the canonical CD4 isoform. A shorter expressed isoform that interacts with LCK, but not HLA class II, is affected by only one variant. All patients lack CD4+ T cells and have increased numbers of TCRαß+CD4-CD8- T cells, which phenotypically and transcriptionally resemble conventional Th cells. Finally, patient CD4-CD8- αß T cells exhibit intact responses to HLA class II-restricted antigens and promote B cell differentiation in vitro. Thus, compensatory development of Th cells enables patients with inherited CD4 deficiency to acquire effective cellular and humoral immunity against an unexpectedly large range of pathogens. Nevertheless, CD4 is indispensable for protective immunity against at least human papillomaviruses and Trophyrema whipplei.


Assuntos
Linfócitos T CD4-Positivos , Linfócitos T Auxiliares-Indutores , Humanos , Linfócitos T CD8-Positivos , Ativação Linfocitária , Antígenos HLA , Isoformas de Proteínas/metabolismo
2.
Behav Brain Res ; 466: 114957, 2024 Mar 13.
Artigo em Inglês | MEDLINE | ID: mdl-38490266

RESUMO

This study aims to investigate the relationships between personality traits of impulsivity, using the UPPS-P Impulsive Behaviour Scales shortened version, and prefrontal cortex (PFC) activity during the IOWA Gambling Task (IGT) in young adult women. The study included a sample of 83 young, healthy females (19.8 ± 1.4 years), who voluntarily took part in the study. Repeated measures analysis during the IGT revealed a significant increase in HbO (all p <.001; ηp2 >.31) and a decrease in Hbr (all p <.003; ηp2 >.08) in all prefrontal quadrants. This increase in oxygenation occurs primarily during the choice period under ambiguity (r =.23; p =.039). Additionally, there was a significant linear decrease in selecting the decks associated with a high frequency of losses (p <.001), while the favorable deck with low losses showed a linear increase (F = 12.96; p <.001). Notably, discrepancies were found between UPPS-P and IGT impulsivity ratings. The Lack of Perseverance and Lack of Premeditation scales from the UPPS-P were identified as significant predictors of HbO levels, mainly in the two quadrants of the left hemisphere's, lateral (adjusted R2 =.23; p <.001; f2 =.34) and rostral (adjusted R2 =.13; p <.002; f2 =.17). These findings suggest that young adult women predominantly adopt a punishment-avoidance strategy during IGT, exhibiting increased activation in the left hemisphere, especially during the task's initial phase characterized by ambiguity.

3.
Artigo em Inglês | MEDLINE | ID: mdl-38211624

RESUMO

The Alternative Model of Personality Disorders (AMPD) is a dimensional, empirically based diagnostic system developed to overcome the serious limitations of traditional categories. We review the mounting evidence on its convergent and discriminant validity, with an incursion into the less-studied ICD-11 system. In the literature, the AMPD's Pathological Trait Model (Criterion B) shows excellent convergence with normal personality traits, and it could be useful as an organizing framework for mental disorders. In contrast, Personality Functioning (Criterion A) cannot be distinguished from personality traits, lacks both discriminant and incremental validity, and has a shaky theoretical background. We offer some suggestions with a view to the future. These include removing Criterion A, using the real-life consequences of traits as indicators of severity, delving into the dynamic mechanisms underlying traits, and furthering the integration of currently disengaged psychological paradigms that can shape a sounder clinical science. Expected final online publication date for the Annual Review of Clinical Psychology, Volume 20 is May 2024. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

4.
Adv Sci (Weinh) ; 11(9): e2307665, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38109057

RESUMO

This study reports novel, compact, and additively manufactured quadrupole mass filters (QMFs) with adequate filtering performance for practical mass spectrometry applications. The QMFs are monolithically fabricated via vat photopolymerization of glass-ceramic resin using 57 µm × 57 µm × 100 µm voxels, and selective electroless plating of nickel-boron. Experimental characterization of QMF prototypes at 1.74 MHz using FC-43 yields 131 Da peaks with 0.50 Da full width at half maximum (260 resolution), surpassing the resolution of reported miniaturized counterparts under similar conditions, and being on par with commercial, non-miniaturized, heavier devices. The sensitivity of the 3D-printed devices is estimated at 0.13 mA Torr-1 (comparable to that of optimized, commercial counterparts), while the devices attained up to 250 Da of mass range (limited by the driving electronics). The work is of interest to low-cost, capable mass spectrometry, 3D-printed instruments, and in-space manufacturing of complex instrumentation.

6.
Int J Mol Sci ; 24(17)2023 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-37686076

RESUMO

Bacterial infection has traditionally been treated with antibiotics, but their overuse is leading to the development of antibiotic resistance. This may be mitigated by alternative approaches to prevent or treat bacterial infections without utilization of antibiotics. Among the alternatives is the use of photo-responsive antimicrobial nanoparticles and/or nanocomposites, which present unique properties activated by light. In this study, we explored the combined use of titanium oxide and polydopamine to create nanoparticles with photocatalytic and photothermal antibacterial properties triggered by visible or near-infrared light. Furthermore, as a proof-of-concept, these photo-responsive nanoparticles were combined with mussel-inspired catechol-modified hyaluronic acid hydrogels to form novel light-driven antibacterial nanocomposites. The materials were challenged with models of Gram-negative and Gram-positive bacteria. For visible light, the average percentage killed (PK) was 94.6 for E. coli and 92.3 for S. aureus. For near-infrared light, PK for E. coli reported 52.8 and 99.2 for S. aureus. These results confirm the exciting potential of these nanocomposites to prevent the development of antibiotic resistance and also to open the door for further studies to optimize their composition in order to increase their bactericidal efficacy for biomedical applications.


Assuntos
Anti-Infecciosos , Nanocompostos , Escherichia coli , Staphylococcus aureus , Antibacterianos/farmacologia , Raios Infravermelhos
7.
Clinicoecon Outcomes Res ; 15: 659-671, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37701861

RESUMO

Purpose: The objective of the present study was to evaluate the efficiency of lorlatinib compared to alectinib and brigatinib for the treatment of adult patients with anaplastic lymphoma kinase (ALK)-positive advanced non-small cell lung cancer (NSCLC) previously not treated, in Spain. Methods: A partitioned survival model comprised progression free, non-intracranial progression, intracranial progression, and death health states was constructed to estimate the total costs, life-years gained (LYG) and quality-adjusted life years (QALYs) accumulated in a lifetime horizon. Overall survival (OS) and progression-free survival (PFS) for lorlatinib were obtained from the CROWN study. For alectinib and brigatinib, a network meta-analysis of randomized controlled trials was conducted to estimate OS and PFS hazard ratios versus crizotinib. Utilities were estimated based on EQ-5D-5L data derived from the CROWN (lorlatinib), ALEX (alectinib) and ALTA-1L (brigatinib) studies. According to the Spanish National Health Service perspective the total costs (expressed in euros using a 2021 cost year) included drug acquisition and the administration's subsequent treatment, ALK+ advanced NSCLC management and adverse-event management, and palliative care. Unitary costs were obtained from local cost databases and literature. Costs, LYGs and QALYs were discounted at 3% annually. Deterministic and probabilistic sensitivity analyses were used to test the model's robustness. Results: Lorlatinib provided higher health outcomes (+0.70 LYG/patient, +1.42 QALYs/patient) and lower costs (-€9239/patient) than alectinib. Lorlatinib yielded higher LYG (+1.74) and QALYs (+2.30) versus brigatinib but higher costs/patient (+€36,627), resulting in an incremental-cost-effectiveness-ratio of €15,912/QALY gained. Conclusion: The results of this study suggest that lorlatinib may be a dominant treatment option versus alectinib. Considering a willingness-to-pay threshold of €25,000/QALY, lorlatinib may be an efficient option compared to brigatinib.

8.
Front Psychol ; 14: 1058927, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37275703

RESUMO

The present study was planned to study the relationships between age, personality (according to Zuckerman's and Gray's psychobiological models) and decision-making styles in relation to risky driving behaviors. The participants were habitual drivers, 538 (54.3%) men and 453 (45.7%) women, with a mean age around 45 years and mainly of middle socioeconomic status. The results indicate that the youngest men and women reported more Lapses, Ordinary violations, and Aggressive violations than the oldest men and women. Women reported more Lapses (d = -0.40), and men more Ordinary (d = 0.33) and Aggressive violations (d = 0.28) when driving. Linear and non-linear analysis clearly support the role of both personality traits and decision-making styles in risky driving behaviors. Aggressiveness, Sensitivity to Reward, Sensation Seeking played the main role from personality traits, and Spontaneous and Rational decision-making style also accounted for some variance regarding risky driving behaviors. This pattern was broadly replicated in both genders. The discussion section analyses congruencies with previous literature and makes recommendations on the grounds of observed results.

9.
Gac Med Mex ; 159(1): 55-64, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36930561

RESUMO

INTRODUCTION: Anti-Ro52/TRIM21 antibodies are markers for several systemic autoimmune rheumatic diseases (SARD). OBJECTIVE: To assess whether anti-Ro52/TRIM21 antibodies are related to abnormalities in inflammatory circuits. METHODS: Cross-sectional study of consecutive outpatients with SARD. Anti-Ro52/TRIM21 antibodies and serum amyloid A protein were measured by ELISA; panels for 18 cytokines and nine chemokines were analyzed on a Luminex reading platform, while high-sensitivity C-reactive protein (hs-CRP) and complement were measured by nephelometry. RESULTS: Among 167 included patients, 143 had systemic lupus erythematosus (SLE), 16 had primary Sjögren's syndrome and eight had systemic sclerosis; 41 (24%) were positive for anti-Ro52/TRIM21 antibodies. Patients with anti-Ro52/TRIM21 antibodies had higher serum levels of IL-2, IL-4, IL-6, GM-CSF, IL-21, IL-22, hs-CRP and chemokines CCL4, CXCL8, CXCL10 and CXCL12, but lower levels of complement C4. Anti-Ro52/TRIM21 antibody titers were positively correlated with IL-2, IL-4, IL-6, IL-10, IL-21, IL-22, CXCL10, and hs-CRP, and negatively with complements C3 and C4. When only SLE patients were included, no association was identified between anti-Ro52/TRIM21 antibodies and disease activity or organ-specific involvement. CONCLUSIONS: Anti-Ro52/TRIM21 antibodies are associated with aberrant cytokine circuits and elevated levels of angiogenic molecules and neutrophil and monocyte chemoattractants, which suggests an active role for these antibodies in SARD.


INTRODUCCIÓN: Los anticuerpos anti-Ro52/TRIM21 son marcadores de varias enfermedades reumáticas autoinmunes sistémicas (ERAS). OBJETIVO: Evaluar si los anticuerpos anti-Ro52/TRIM21 están relacionados con anomalías en los circuitos inflamatorios. MÉTODOS: Estudio transversal de pacientes consecutivos y ambulatorios con ERAS. Los anticuerpos anti-Ro52/TRIM21 y la proteína amiloide sérica se midieron mediante ELISA; los paneles para 18 citocinas y nueve quimiocinas se analizaron en una plataforma de lectura Luminex; la proteína C reactiva (hs-CRP) y el complemento se midieron mediante nefelometría. RESULTADOS: Se incluyeron 167 pacientes, 143 con lupus eritematoso sistémico (LES), 16 con síndrome de Sjögren primario y ocho con esclerosis sistémica; 41 fueron positivos para anticuerpos anti-Ro52/TRIM21 (24 %). Los pacientes con anticuerpos anti-Ro52/TRIM21 tuvieron niveles séricos más altos de IL-2, IL-4, IL-6, GM-CSF, IL-21, IL-22, hs-CRP y quimiocinas CCL4, CXCL8, CXCL10 y CXCL12; y más bajos de complemento C4. Los títulos de anticuerpos anti-Ro52/TRIM21 correlacionaron positivamente con IL-2, IL-4, IL-6, IL-10, IL-21, IL-22, CXCL10 y hs-CRP; y negativamente con complemento C3 y C4. Al incluir solo LES, no se identificó asociación entre los anticuerpos anti-Ro52/TRIM21 y la actividad de la enfermedad o la afectación específica de órganos. CONCLUSIONES: Los anticuerpos anti-Ro52/TRIM21 se asocian a circuitos aberrantes de citocinas y niveles elevados de moléculas angiogénicas y quimioatrayentes de neutrófilos y monocitos, lo que sugiere un papel activo de esos anticuerpos en las ERAS.


Assuntos
Doenças Autoimunes , Lúpus Eritematoso Sistêmico , Doenças Reumáticas , Síndrome de Sjogren , Humanos , Proteína C-Reativa , Estudos Transversais , Interleucina-2 , Interleucina-4 , Interleucina-6 , Citocinas , Autoanticorpos
10.
J Neuroendocrinol ; : e13248, 2023 Mar 02.
Artigo em Inglês | MEDLINE | ID: mdl-36932836

RESUMO

Growth hormone (GH) is fundamental for growth and glucose homeostasis, and prolactin for optimal pregnancy and lactation outcome, but additionally, both hormones have multiple functions that include a strong impact on energetic metabolism. In this respect, prolactin and GH receptors have been found in brown, and white adipocytes, as well as in hypothalamic centers regulating thermogenesis. This review describes the neuroendocrine control of the function and plasticity of brown and beige adipocytes, with a special focus on prolactin and GH actions. Most evidence points to a negative association between high prolactin levels and the thermogenic capacity of BAT, except in early development. During lactation and pregnancy, prolactin may be a contributing factor that limits unneeded thermogenesis, downregulating BAT UCP1. Furthermore, animal models of high serum prolactin have low BAT UCP1 levels and whitening of the tissue, while lack of Prlr induces beiging in WAT depots. These actions may involve hypothalamic nuclei, particularly the DMN, POA and ARN, brain centers that participate in thermogenesis. Studies on GH regulation of BAT function present some controversies. Most mouse models with GH excess or deficiency point to an inhibitory role of GH on BAT function. Even so, a stimulatory role of GH on WAT beiging has also been described, in accordance with whole-genome microarrays that demonstrate divergent response signatures of BAT and WAT genes to the loss of GH signaling. Understanding the physiology of BAT and WAT beiging may contribute to the ongoing efforts to curtail obesity.

11.
Gac. méd. Méx ; 159(1): 56-65, ene.-feb. 2023. tab, graf
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1448266

RESUMO

Resumen Introducción: Los anticuerpos anti-Ro52/TRIM21 son marcadores de varias enfermedades reumáticas autoinmunes sistémicas (ERAS). Objetivo: Evaluar si los anticuerpos anti-Ro52/TRIM21 están relacionados con anomalías en los circuitos inflamatorios. Métodos: Estudio transversal de pacientes consecutivos y ambulatorios con ERAS. Los anticuerpos anti-Ro52/TRIM21 y la proteína amiloide sérica se midieron mediante ELISA; los paneles para 18 citocinas y nueve quimiocinas se analizaron en una plataforma de lectura Luminex; la proteína C reactiva (hs-CRP) y el complemento se midieron mediante nefelometría. Resultados: Se incluyeron 167 pacientes, 143 con lupus eritematoso sistémico (LES), 16 con síndrome de Sjögren primario y ocho con esclerosis sistémica; 41 fueron positivos para anticuerpos anti-Ro52/TRIM21 (24 %). Los pacientes con anticuerpos anti-Ro52/TRIM21 tuvieron niveles séricos más altos de IL-2, IL-4, IL-6, GM-CSF, IL-21, IL-22, hs-CRP y quimiocinas CCL4, CXCL8, CXCL10 y CXCL12; y más bajos de complemento C4. Los títulos de anticuerpos anti-Ro52/TRIM21 correlacionaron positivamente con IL-2, IL-4, IL-6, IL-10, IL-21, IL-22, CXCL10 y hs-CRP; y negativamente con complemento C3 y C4. Al incluir solo LES, no se identificó asociación entre los anticuerpos anti-Ro52/TRIM21 y la actividad de la enfermedad o la afectación específica de órganos. Conclusiones: Los anticuerpos anti-Ro52/TRIM21 se asocian a circuitos aberrantes de citocinas y niveles elevados de moléculas angiogénicas y quimioatrayentes de neutrófilos y monocitos, lo que sugiere un papel activo de esos anticuerpos en las ERAS.


Abstract Introduction: Anti-Ro52/TRIM21 antibodies are markers for several systemic autoimmune rheumatic diseases (SARD). Objective: To assess whether anti-Ro52/TRIM21 antibodies are related to abnormalities in inflammatory circuits. Methods: Cross-sectional study of consecutive outpatients with SARD. Anti-Ro52/TRIM21 antibodies and serum amyloid A protein were measured by ELISA; panels for 18 cytokines and nine chemokines were analyzed on a Luminex reading platform, while high-sensitivity C-reactive protein (hs-CRP) and complement were measured by nephelometry. Results: Among 167 included patients, 143 had systemic lupus erythematosus (SLE), 16 had primary Sjögren's syndrome and eight had systemic sclerosis; 41 (24%) were positive for anti-Ro52/TRIM21 antibodies. Patients with anti-Ro52/TRIM21 antibodies had higher serum levels of IL-2, IL-4, IL-6, GM-CSF, IL-21, IL-22, hs-CRP and chemokines CCL4, CXCL8, CXCL10 and CXCL12, but lower levels of complement C4. Anti-Ro52/TRIM21 antibody titers were positively correlated with IL-2, IL-4, IL-6, IL-10, IL-21, IL-22, CXCL10, and hs-CRP, and negatively with complement C3 and C4. When only SLE patients were included, no association was identified between anti-Ro52/TRIM21 antibodies and disease activity or organ-specific involvement. Conclusions: Anti-Ro52/TRIM21 antibodies are associated with aberrant cytokine circuits and elevated levels of angiogenic molecules and neutrophil and monocyte chemoattractants, which suggests an active role for these antibodies in SARD.

12.
Personal Disord ; 14(3): 355-359, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-35737563

RESUMO

The inclusion of the borderline pattern in the International Classification of Diseases, 11th Revision (ICD-11) dimensional classification of personality disorders (PDs) has caused controversy. Unease about leaving out these clinically challenging patients seems to conflict with the need of an evidence-based and credible diagnostic system. However, the accommodation of borderline within the new diagnostic system has not yet been studied in depth. To this end, we examine in a sample of 1799 general population and clinical subjects the joint structure of the five initial ICD-11 domains and the borderline pattern. Regression and item-level factor analyses reveal that borderline criteria do not form a separate construct and are indissociable from negative affectivity. Furthermore, borderline adds nothing to the remaining domains when it comes to predict PD severity. The borderline pattern appears as largely superfluous and even misguiding, unless their criteria are properly integrated within the structure of personality pathology. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Assuntos
Classificação Internacional de Doenças , Transtornos da Personalidade , Humanos , Psicometria , Inventário de Personalidade , Manual Diagnóstico e Estatístico de Transtornos Mentais , Transtornos da Personalidade/diagnóstico , Personalidade
13.
Neotrop Entomol ; 52(2): 134-151, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36449176

RESUMO

The history and recent developments of conservation biological control (CBC) in the context of industrialized and small-scale agriculture are discussed from theoretical framework available in the Neotropical region. A historical perspective is presented in terms of the transition of the way pests have been controlled since ancestral times, while some of these techniques persist in some areas cultivated on a small-scale agriculture. The context of industrialized agriculture sets the stage for the transition from chemical pesticides promoted in the green revolution to the more modern concept of IPM and finds in conservation biological an important strategy in relation to more sustainable pest management options meeting new consumer demands for cleaner products and services. However, it also noted that conservation, considered within a more integrative approach, establishes its foundations on an overall increase in floral biodiversity, that is, transversal to both small-scale and industrialized areas. In the latter case, we present examples where industrialized agriculture is implementing valuable efforts in the direction of conservation and new technologies are envisioned within more sustainable plant production systems and organizational commitment having that conservation biological control has become instrumental to environmental management plans. In addition, a metanalysis on the principal organisms associated with conservation efforts is presented. Here, we found that hymenopteran parasitoids resulted in the most studied group, followed by predators, where arachnids constitute a well-represented group, while predatory vertebrates are neglected in terms of reports on CBC. Our final remarks describe new avenues of research needed and highlight the need of cooperation networks to propose research, public outreach, and adoption as strategic to educate costumers and participants on the importance of conservation as main tool in sustainable pest management.


Assuntos
Controle Biológico de Vetores , Praguicidas , Animais , Controle Biológico de Vetores/métodos , Agricultura/métodos , Controle de Pragas , Biodiversidade , Comportamento Predatório
14.
J Pers Disord ; 36(6): 662-679, 2022 12.
Artigo em Inglês | MEDLINE | ID: mdl-36454156

RESUMO

With the introduction of the Alternative Model of Personality Disorders in the DSM-5, the need for short measures of the level of personality functioning has emerged, both for screening purposes and for assessing change during treatment. The Level of Personality Functioning Scale-Brief Form 2.0 (LPFS-BF 2.0) was constructed for this and has received support for its two-factor structure and criterion validity. The authors aimed to provide additional construct validity evidence for the LPFS-BF 2.0 by examining its factor structure and measurement invariance across the Dutch, English, French, and Spanish versions and across gender, and its criterion validity. Results showed that the two-factor model had a good fit to the data in the four linguistic versions. Configural and metric invariance were supported across linguistic versions and gender, while scalar invariance was partially supported. Reporting a mental health disorder and having consulted with a mental health professional were associated with higher LPFS-BF 2.0 scores.


Assuntos
Idioma , Transtornos da Personalidade , Humanos , Transtornos da Personalidade/diagnóstico , Personalidade , Manual Diagnóstico e Estatístico de Transtornos Mentais
15.
Nat Commun ; 13(1): 7751, 2022 12 14.
Artigo em Inglês | MEDLINE | ID: mdl-36517492

RESUMO

An estimated one-third of tuberculosis (TB) cases go undiagnosed or unreported. Sputum samples, widely used for TB diagnosis, are inefficient at detecting infection in children and paucibacillary patients. Indeed, developing point-of-care biomarker-based diagnostics that are not sputum-based is a major priority for the WHO. Here, in a proof-of-concept study, we tested whether pulmonary TB can be detected by analyzing patient exhaled breath condensate (EBC) samples. We find that the presence of Mycobacterium tuberculosis (Mtb)-specific lipids, lipoarabinomannan lipoglycan, and proteins in EBCs can efficiently differentiate baseline TB patients from controls. We used EBCs to track the longitudinal effects of antibiotic treatment in pediatric TB patients. In addition, Mtb lipoarabinomannan and lipids were structurally distinct in EBCs compared to ex vivo cultured bacteria, revealing specific metabolic and biochemical states of Mtb in the human lung. This provides essential information for the rational development or improvement of diagnostic antibodies, vaccines and therapeutic drugs. Our data collectively indicate that EBC analysis can potentially facilitate clinical diagnosis of TB across patient populations and monitor treatment efficacy. This affordable, rapid and non-invasive approach seems superior to sputum assays and has the potential to be implemented at point-of-care.


Assuntos
Líquidos Corporais , Mycobacterium tuberculosis , Tuberculose Pulmonar , Tuberculose , Humanos , Criança , Tuberculose/diagnóstico , Tuberculose/microbiologia , Tuberculose Pulmonar/diagnóstico , Tuberculose Pulmonar/microbiologia , Escarro/microbiologia , Sensibilidade e Especificidade
16.
Photochem Photobiol Sci ; 21(10): 1751-1760, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-35749053

RESUMO

Single molecule fluorescence localization microscopy provides molecular localization with a precision in the tens of nanometer range in the plane perpendicular to the light propagation. This opens the possibility to count molecules and correlate their locations, starting from a map of the actual positions in a single molecule super resolution image. Considering molecular pair correlation as an indication of interaction, and a way to discern them from free molecules, we describe a method to calculate thermodynamic equilibrium constants. In this work, we use as a test system two complementary homo-oligonucleotides, one strand marked with Cyanine 3.5 and the other with Alexa Fluor 647. Hybridization is controlled by the amount of each strand, temperature, and the ionic force, and measured in steady state emission. The same samples are examined in Stochastic Optical Reconstruction Microscopy (STORM) experiments with split-field simultaneous two-colour detection. The effect of multiblinking, labelling-detection efficiency, and determination of the critical distance for association are discussed. We consistently determine values in STORM coincident with those of the bulk experiment.


Assuntos
Nanotecnologia , Oligonucleotídeos , Microscopia de Fluorescência/métodos
17.
Lupus ; 31(10): 1211-1217, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35702930

RESUMO

OBJECTIVES: Our study aims to describe the association between SLE and sexual function, analysing demographic variables, comorbidities and other disease-related factors. As an exploratory objective, the impact of asking about sexual function during outpatient consultation was evaluated. METHODS: From 2018 to 2019, we invited sexually active men diagnosed with SLE to complete questionnaires that evaluated their sexual function and quality of life. Additionally, patients were asked if they believed they had sexual dysfunction, whether they would be interested in receiving specialized sexual care, and if they considered SLE to be detrimental to their sexual function. Epidemiological and disease-related data were retrieved from the patients' clinical records. RESULTS: We included 124 men with SLE. Twenty-two (18%) patients answered positively when asked if they believed they had sexual dysfunction. These patients had lower overall erectile function scores and lower physical function scores than those who did not consider they had sexual dysfunction. In the multivariable analysis, factors that were associated with better sexual function were high physical function (B = 0.126, p = .031), lower BMI (B = 0.53, p = .010) and the patient's perception of normal sexual function (B = 13.0, p < .001). Comorbidities associated with worse sexual function were type 2 diabetes (B = -8.1, p = .017) and a history of thrombosis (B = -5.12, p = .019). CONCLUSION: Sexual function of male patients with SLE is impaired, independently of disease activity, chronic disease damage or pharmacological treatment. A simple question about perception of sexual function in the outpatient clinic can be used to help determine which patients could benefit from a multidisciplinary intervention to improve sexual health.


Assuntos
Diabetes Mellitus Tipo 2 , Lúpus Eritematoso Sistêmico , Disfunções Sexuais Fisiológicas , Estudos Transversais , Diabetes Mellitus Tipo 2/complicações , Humanos , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Masculino , Qualidade de Vida , Índice de Gravidade de Doença , Disfunções Sexuais Fisiológicas/epidemiologia , Disfunções Sexuais Fisiológicas/etiologia
18.
J Pers Disord ; 36(3): 296-319, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35647769

RESUMO

The authors analyze and compare the factor convergence and predictive power of the Revised NEO Personality Inventory (NEO-PI-R) and the Zuckerman-Kuhlman-Aluja Personality Questionnaire (ZKA-PQ/SF) with respect to the Five-Factor Personality Inventory for ICD-11 (FFiCD). A total of 803 White Spanish subjects were analyzed. All the personality domains had significant predictive power with regard to the FFiCD except NEO Openness. The explained variance of the personality domains with respect to FFiCD Negative Affectivity (71% and 77%) and Detachment (56% and 56%) were similar for NEO-PI-R and ZKA-PQ/SF, respectively, but the NEO-PI-R accounted for greater variance for FFiCD Anankastia, Dissociality, and Disinhibition. The FFiCD facets of Rashness, Thrill- Seeking (Disinhibition), and Unassertiveness (Detachment) were located in factors other than those theoretically expected. The authors conclude that normal personality measured by the NEO-PI-R and the ZKA-PQ/SF contribute, in a differential but complementary way, to knowledge of the maladaptive personality measured by the FFiCD.


Assuntos
Classificação Internacional de Doenças , Transtornos da Personalidade , Humanos , Personalidade/fisiologia , Transtornos da Personalidade/diagnóstico , Inventário de Personalidade , Psicometria
19.
Personal Disord ; 13(2): 119-132, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-35286125

RESUMO

In the last 10 years, 2 instruments (the Personality Inventory for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition [PID-5] and the Personality Inventory for International Classification of Diseases, 11th Revision [PiCD]) have been developed to measure the dimensional approach to personality disorders (PDs). Several studies have analyzed the relationships between both instruments and the five-factor model, although the PiCD has received less attention than the PID-5, given its more recent publication. For instance, the PiCD has never been related to the Revised NEO Personality Inventory (NEO-PI-R). The aims of the present article were to explore the convergent validity of the NEO-PI-R, a short version of the PID-5 (PID-5-SF), and the PiCD, to compare these dimensional approaches as for their ability to predict categorical PDs measured through the screening questionnaire of the International Personality Disorder Examination and to explore the nature of 2 controversial pathological domains: Psychoticism (from the PID-5-SF) and Anankastia (from the PiCD). A total of 1,565 people from the Spanish general population completed the NEO-PI-R, PID-5-SF, and PiCD. A total of 758 also filled out the International Personality Disorder Examination. Results show a high convergent validity of the five-factor model, the PID-5-SF, and the PiCD. Especially relevant from a clinical perspective is the great convergence between the 2 measures of dimensional PDs. In light of the results, the personality correlates of Psychoticism are reconsidered, and the location of Anankastia as the opposite pole of Disinhibition instead of as a separate domain, suggested by previous authors, is supported. The advantages of a dimensional approach to PDs and the practical implications for their assessment are discussed. (PsycInfo Database Record (c) 2022 APA, all rights reserved).


Assuntos
Transtornos da Personalidade , Personalidade , Manual Diagnóstico e Estatístico de Transtornos Mentais , Humanos , Classificação Internacional de Doenças , Transtornos da Personalidade/diagnóstico , Inventário de Personalidade , Reprodutibilidade dos Testes
20.
Iatreia ; 35(1): 57-64, Jan.-Mar. 2022. tab, graf
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1375632

RESUMO

RESUMEN Las células T helper-17 (Th17) y la interleuquina (IL) IL-17 desempeñan funciones biológicas relacionadas con la protección contra infecciones por bacterias extracelulares y hongos. En algunas enfermedades inflamatorias y autoinmunes hay una secreción persistente y estas participan en su patogénesis. Recientemente, se ha postulado la participación de las respuestas IL-17/Th17 en la patogénesis de la enfermedad por coronavirus 2019 (COVID-19). El objetivo de esta revisión es resumir la evidencia del papel de la IL-17/Th17 en la inmunopatogénesis del COVID-19, como sustento de la possible utilización de los inhibidores de IL-17 en el manejo terapéutico de esta infección.


SUMMARY Interleukin 17 (IL-17)-producing helper T cells (Th17) and IL-17 play an important role in the defense against extracellular bacteria and fungi; however, persistent secretion of IL-17 is also an important component in the pathogenesis of many inflammatory and autoimmune diseases. Recent evidence suggests that Th17 cells and IL-17 are also involved in the immunopathogenesis of COVID-19. This review summarizes the evidence related with the role of Th17/IL-17 in severe COVID-19, which support the possible use of IL-17/IL-17R inhibitors in the treatment of this infection.

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