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1.
Eur Eat Disord Rev ; 30(5): 510-537, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35701074

RESUMO

AIM: Eating and feeding behaviours of autistic individuals and related consequences have been mainly investigated in autistic children or in autistic adults with intellectual disabilities. Behaviours such as food selectivity or food neophobia have been shown to persist into adolescence and adulthood and are associated with aversive consequences. However, much less is known about the eating behaviours of autistic adults without intellectual disabilities, especially those of women. By means of a scoping review, we aim to assess the extent of the scientific literature on what is known about the eating behaviours of these women and the possible consequences of such eating behaviour. METHOD: Medline, Cochrane, PubMed and PsycInfo databases were searched according to Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. RESULTS: Five studies met the eligibility criteria and were included in this review. Autistic women not only reported high levels of eating behaviour frequently seen in autism spectrum disorders (ASD), but also high levels of disordered eating behaviour, similar to that of women with eating disorders. CONCLUSIONS: Autistic women seem to exhibit high levels of eating behaviour frequently seen in ASD as well as disordered eating behaviour. Future research needs to shed light on what underlies these problematic eating behaviours, in order to help to adapt current treatment modalities to meet the unique needs of these women.


Assuntos
Transtorno do Espectro Autista , Transtorno Autístico , Transtornos da Alimentação e da Ingestão de Alimentos , Deficiência Intelectual , Adolescente , Adulto , Transtorno do Espectro Autista/complicações , Transtorno do Espectro Autista/terapia , Criança , Comportamento Alimentar , Transtornos da Alimentação e da Ingestão de Alimentos/complicações , Transtornos da Alimentação e da Ingestão de Alimentos/epidemiologia , Feminino , Humanos
2.
Proc Natl Acad Sci U S A ; 109(27): 11037-42, 2012 Jul 03.
Artigo em Inglês | MEDLINE | ID: mdl-22711810

RESUMO

In neurotransmission synaptotagmin-1 tethers synaptic vesicles to the presynaptic plasma membrane by binding to acidic membrane lipids and SNAREs and promotes rapid SNARE-mediated fusion upon Ca(2+) triggering. However, recent studies suggested that upon membrane contact synaptotagmin may not only bind in trans to the target membrane but also in cis to its own membrane. Using a sensitive membrane tethering assay we have now dissected the structural requirements and concentration ranges for Ca(2+)-dependent and -independent cis-binding and trans-tethering in the presence and absence of acidic phospholipids and SNAREs. Using variants of membrane-anchored synaptotagmin in which the Ca(2+)-binding sites in the C2 domains and a basic cluster involved in membrane binding were disrupted we show that Ca(2+)-dependent cis-binding prevents trans-interactions if the cis-membrane contains 12-20% anionic phospholipids. Similarly, no trans-interactions were observable using soluble C2AB-domain fragments at comparable concentrations. At saturating concentrations, however, tethering was observed with soluble C2AB domains, probably due to crowding on the vesicle surface and competition for binding sites. We conclude that trans-interactions of synaptotagmin considered to be essential for its function are controlled by a delicate balance between cis- and trans-binding, which may play an important modulatory role in synaptic transmission.


Assuntos
Terminações Pré-Sinápticas/metabolismo , Transmissão Sináptica/fisiologia , Vesículas Sinápticas/metabolismo , Sinaptotagmina I/química , Sinaptotagmina I/metabolismo , Animais , Sítios de Ligação/fisiologia , Cálcio/metabolismo , Membrana Celular/metabolismo , Lipossomos/metabolismo , Ligação Proteica/fisiologia , Estrutura Terciária de Proteína/fisiologia , Ratos , Proteínas SNARE/metabolismo , Espectrometria de Fluorescência , Sinaptotagmina I/genética
3.
J Voice ; 2024 Jul 06.
Artigo em Inglês | MEDLINE | ID: mdl-38972775

RESUMO

OBJECTIVE: The prototype "Oldenburger Logopädie App" (OLA) was designed to support voice therapy for patients with recurrent paresis, such as to accompany homework or as a short-term substitute for regular therapy due to dropouts, such as during the COVID-19 pandemic. The treating speech and language pathologists (SLPs) unlocks videos individually applicable to the respective patients, in which the SLPs instruct the individual exercises. The app can be used without information technology knowledge or detailed instructions. MATERIALS AND METHODS: The prototype's usability was evaluated through a usability test battery (AttrakDiff questionnaire, System Usability Scale, Visual Aesthetics of Websites Inventory questionnaire) and informal interviews from the perspective of patients and SLPs. RESULTS: The acceptance, usability, user experience, self-descriptiveness, and user behavior of OLA were consistently given and mostly rated as positive. Both user groups rated OLA as practical and easy to use (eg, System Usability Scale: "practical" (agree: ∅ 49.5%), "cumbersome to use" (total: strongly disagree: ∅ 60.0%). However, the monotonous layout of the app and the instructional and exercise videos should be modified in the next editing step. An overview of relevant criteria for a voice therapy app, regarding design and functions, was derived from the results. CONCLUSION: This user-oriented feedback on the usability of the voice app provides the proof of concept and the basis for the further development of the Artificial intelligence-based innovative follow-up app LAOLA. In the future, it should be possible to support the treatment of all voice disorders with such an app. For the further development of the voice app, the therapeutic content and the effectiveness of the training should also be investigated.

4.
J Biol Chem ; 287(40): 33756-65, 2012 Sep 28.
Artigo em Inglês | MEDLINE | ID: mdl-22815475

RESUMO

Binding of heterochromatin protein 1 (HP1) to the histone H3 lysine 9 trimethylation (H3K9me3) mark is a hallmark of establishment and maintenance of heterochromatin. Although genetic and cell biological aspects have been elucidated, the molecular details of HP1 binding to H3K9me3 nucleosomes are unknown. Using a combination of NMR spectroscopy and biophysical measurements on fully defined recombinant experimental systems, we demonstrate that H3K9me3 works as an on/off switch regulating distinct binding modes of hHP1ß to the nucleosome. The methyl-mark determines a highly flexible and very dynamic interaction of the chromodomain of hHP1ß with the H3-tail. There are no other constraints of interaction or additional multimerization interfaces. In contrast, in the absence of methylation, the hinge region and the N-terminal tail form weak nucleosome contacts mainly with DNA. In agreement with the high flexibility within the hHP1ß-H3K9me3 nucleosome complex, the chromoshadow domain does not provide a direct binding interface. Our results report the first detailed structural analysis of a dynamic protein-nucleosome complex directed by a histone modification and provide a conceptual framework for understanding similar interactions in the context of chromatin.


Assuntos
Proteínas Cromossômicas não Histona/química , Histonas/química , Lisina/química , Nucleossomos/química , Biotinilação , Calorimetria/métodos , Cromatina/química , Cromatina/metabolismo , Homólogo 5 da Proteína Cromobox , DNA/química , Epigênese Genética , Histonas/metabolismo , Humanos , Espectroscopia de Ressonância Magnética/métodos , Metilação , Nucleossomos/metabolismo , Ligação Proteica , Estrutura Terciária de Proteína , Schizosaccharomyces/metabolismo
5.
Curr Opin Psychiatry ; 36(6): 419-426, 2023 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-37781983

RESUMO

PURPOSE OF REVIEW: Autistic women struggle with high levels of both autistic eating behaviours and disordered eating behaviours , which might make them particularly vulnerable to develop eating disorders. Research investigating the presence and characteristics of eating disorders in autistic women is however limited, as is research examining the role of autism in the treatment and recovery of an eating disorder in autistic women. RECENT FINDINGS: The link between autism and eating disorders has mainly been investigated from the field of eating disorder research, with studies finding an overrepresentation of autism or autistic traits in eating disorders populations. Findings also suggest that autism or autistic traits are associated with a more serious presentation of the eating disorders, including a higher chance of a chronic course of the eating disorders. Most studies however lack comprehensive autism assessments, making it difficult to determine the actual prevalence of autism and its role in women with eating disorders. SUMMARY: Autistic women with an eating disorder seem to suffer from more complex eating disorders and seem to not benefit from current treatment modalities. This could be partly related to specific autism characteristics such as sensory sensitivities, which are not being considered by current treatment protocols. Future research needs to shed light on what underlies the eating behaviours of autistic women with an eating disorder, in order to help to adapt current treatment modalities to meet the unique needs of these women.


Assuntos
Transtorno do Espectro Autista , Transtorno Autístico , Transtornos da Alimentação e da Ingestão de Alimentos , Humanos , Feminino , Transtorno do Espectro Autista/complicações , Transtorno do Espectro Autista/terapia , Transtorno Autístico/complicações , Transtornos da Alimentação e da Ingestão de Alimentos/complicações , Transtornos da Alimentação e da Ingestão de Alimentos/terapia , Comportamento Alimentar , Prevalência
6.
Artigo em Inglês | MEDLINE | ID: mdl-31262707

RESUMO

BACKGROUND: Patients with anorexia nervosa (AN) demonstrate aberrations in choice behavior, including impairments in laboratory measures of decision making. Although a wealth of studies suggest that these aberrations arise from alterations in value processing, it remains unclear by which core component of value processing this is mediated. METHODS: We fit trial-by-trial data of patients with AN (n = 60 first cohort, n = 216 second cohort) and healthy control participants (n = 55) performing the Iowa Gambling Task to a computational model based on prospect utility theory. We determined, per participant, the best-fit model parameters and compared these between the groups. RESULTS: Analyses revealed a decreased estimate of model parameter λ in patients with AN, indicative of an attenuation of loss-aversive behavior in the Iowa Gambling Task. In comparison, measures of reward sensitivity, value-based learning, and exploration versus exploitation were unaltered in patients with AN. A measurement in a second independent cohort replicated the finding that loss aversion, typically observed in healthy individuals, is reduced in patients with AN. CONCLUSIONS: We show that patients with AN, in contrast to healthy control participants, demonstrate reduced loss-aversive behavior. This finding provides important fundamental insights into the decision-making capacity of patients with AN, suggesting alterations in the mechanisms involved in value processing related to negative feedback.


Assuntos
Anorexia Nervosa/fisiopatologia , Tomada de Decisões/fisiologia , Recompensa , Adolescente , Adulto , Feminino , Humanos , Masculino , Modelos Teóricos , Adulto Jovem
7.
Adv Ther ; 35(8): 1265-1283, 2018 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-30046988

RESUMO

BACKGROUND/OBJECTIVES: Alternate day fasting (ADF) is a subtype of intermittent fasting and is defined as a continuous sequence of a fast day (100% energy restriction, zero calories) and a feed day (ad libitum food consumption), resulting in roughly 36-h fasting periods. Previous studies demonstrated weight reductions and improvements of cardiovascular risk factors with ADF in obese subjects. However, rigorous data on potential endocrine, metabolic and cardiovascular effects, besides weight loss, are lacking. Therefore we aim to investigate the short- and mid- to long-term clinical and molecular effects of ADF in healthy non-obese subjects. METHODS: We will perform a prospective cohort study with an embedded randomized controlled trial (RCT) including 90 healthy subjects. Thirty of them will have performed ADF for at least 6 months (mid-term group). Sixty healthy subjects without a particular diet before enrolment will serve as the control group. These subjects will be 1:1 randomized to either continuing their current diet or performing ADF for 4 weeks. All subjects will undergo study procedures that will be repeated in RCT participants after 4 weeks. These procedures will include assessment of outcome parameters, dual-energy X-ray absorptiometry, measurement of endothelial function, an oral glucose tolerance test, 24-h blood pressure measurement, retinal vessel analysis, echocardiography and physical activity measurement by an accelerometer. Blood, sputum, buccal mucosa and faeces will be collected for laboratory analyses. Participants in the RCT will wear a continuous glucose monitor to verify adherence to the study intervention. PLANNED OUTCOMES: The aim of this project is to investigate the effects of ADF on human physiology and molecular cellular processes. This investigation should gain in-depth mechanistic insights into the concept of ADF and form the basis for larger subsequent cohort recruitment and consecutive intervention studies. TRIAL REGISTRATION: NCT02673515; registered 24 November 2015. Current protocol date/version: 7 February 2017/version 1.8.


Assuntos
Restrição Calórica , Jejum , Ensaios Clínicos Controlados Aleatórios como Assunto , Adulto , Glicemia/metabolismo , Protocolos Clínicos , Estudos de Coortes , Ingestão de Energia , Feminino , Humanos , Hipertensão/prevenção & controle , Masculino , Obesidade/prevenção & controle , Projetos Piloto , Estudos Prospectivos
8.
Parkinsonism Relat Disord ; 20(9): 969-74, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24953743

RESUMO

BACKGROUND: Little is known about the relationship between specific subtypes of treatment-associated motor complications and different domains of health-related Quality of Life (QoL) in patients with Parkinson's disease (PD). Larger studies that investigate these aspects within a cross-cultural setting are scarce. OBJECTIVE: To assess QoL and its association with on-off fluctuations, peak-dose dyskinesias, biphasic dyskinesias, and off-dystonias in PD patients from five European countries. METHODS: Data from 817 PD patients were collected cross-sectionally in France, Germany, Italy, Spain, and the UK. QoL was measured with the generic EuroQoL 5-Dimension questionnaire (EQ-5D) and the disease-specific Parkinson's Disease Questionnaire-39 (PDQ-39). Multivariable linear regression analyses were performed to test the associations of motor complication subtypes with QoL. RESULTS: Thirty-three percent of the patients (varying from 23% in Italy to 58% in France) suffered from motor complications, either a single subtype or a combination of different subtypes. On-off fluctuations were associated with a 7.1 percentage point decrease in the EQ-5D (p < 0.001) and a 3.6 percentage point deterioration in the PDQ-39 (p = 0.01). Dyskinesias were not seen to affect global QoL scores, but had detrimental effects on the PDQ-39 dimensions activities of daily living, cognitions, stigma, and bodily discomfort. Patients from Spain, Italy, and France had lower global QoL scores in the multivariable analyses than patients from Germany and the UK. CONCLUSION: Motor complications, primarily on-off fluctuations, may impact QoL in PD patients. This substantiates the importance of clinical strategies targeting the prevention, delay of onset, and management of motor complications in PD patients.


Assuntos
Atividades Cotidianas/psicologia , Antiparkinsonianos/uso terapêutico , Discinesias/tratamento farmacológico , Doença de Parkinson/fisiopatologia , Qualidade de Vida , Adulto , Idoso , Idoso de 80 Anos ou mais , Discinesias/etiologia , Europa (Continente) , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doença de Parkinson/complicações , Inquéritos e Questionários
9.
Int J Clin Pharm ; 34(5): 746-56, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22810890

RESUMO

BACKGROUND: The well-being of patients with Parkinson's disease may be improved by pharmaceutical care in community pharmacies. OBJECTIVE: To investigate the effects of standardised pharmaceutical care on health outcomes and quality of drug treatment in patients with Parkinson's disease. SETTING: Community pharmacies in Germany. METHOD: An open-label, multicentre, longitudinal, parallel-group study was conducted in outpatients with idiopathic Parkinson's disease who were receiving anti-parkinsonian medication. Patients were recruited by 32 community pharmacists (pharmacy group) and local offices of the German Parkinson's disease patients' association (comparison group). All patients were assessed at baseline and at 8 months' follow-up. In the intervening period, the pharmacists provided patients in the pharmacy group with standardised pharmaceutical care. MAIN OUTCOME MEASURE: Mean change in symptom-related impairment of health status, assessed using the 23-item Parkinson's Scale Total Score. RESULTS: In total 235 patients were enrolled into the study (113 pharmacy group; 122 comparison group). Between-group analysis showed that the mean changes in the primary and secondary endpoints, all 23-item Parkinson's Scale sub-scores and the EuroQol 5-Dimension Questionnaire Index Score were significantly in favour of the pharmacy group after 8 months (p < 0.05 to p < 0.001), using a mixed model analysis. No significant changes were observed in prescribers' guideline adherence, but there was a significant decrease in the proportion of patients receiving inappropriate drugs according to the Beers List in the pharmacy group (p < 0.01). CONCLUSION: This study shows that significant benefits in patient health outcomes and age-related quality of drug treatment were gained when patients with Parkinson's disease were provided with standardised pharmaceutical care in community pharmacies.


Assuntos
Antiparkinsonianos/normas , Serviços Comunitários de Farmácia/normas , Nível de Saúde , Doença de Parkinson/tratamento farmacológico , Assistência Farmacêutica/normas , Qualidade da Assistência à Saúde/normas , Idoso , Idoso de 80 Anos ou mais , Antiparkinsonianos/uso terapêutico , Feminino , Seguimentos , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Doença de Parkinson/epidemiologia , Assistência ao Paciente/métodos , Assistência ao Paciente/normas , Resultado do Tratamento
10.
Int J Clin Pharm ; 33(4): 674-82, 2011 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21710194

RESUMO

OBJECTIVE: Although Parkinson's disease is a common disorder in the elderly, there have been very few studies of the role of the pharmaceutical care services in detecting and reducing problems associated with drug treatment in community settings. The aim of this study was therefore to investigate the type and frequency of drug-related problems identified in patients with Parkinson's disease by community pharmacists over an 8-month period and to assess the pharmaceutical service interventions, the type and frequency of intervention outcomes and the clinical benefits for the patients. SETTING: Community pharmacies in Germany. METHOD: Thirty-two community pharmacists recruited 113 outpatients with idiopathic Parkinson's disease who were receiving anti-Parkinsonian medication. MAIN OUTCOME MEASURE: Drug-related problems. RESULTS: A total of 331 drug-related problems were identified by the pharmacists. Patients not receiving a medication, despite the presence of an indication or symptom, accounted for the highest proportion of drug-related problems (26.3%). The pharmacists proposed a total of 474 interventions, the most common of which was giving the patient treatment advice (19.6%). Intervention outcomes were recorded for 215 of the 331 drug-related problems, for which there were 553 individual outcome results. Adjustments of the drug regimen accounted for the highest percentage of individual results (43.6%). CONCLUSION: Structured pharmaceutical care processes by community pharmacists have the potential to make a valuable contribution to health care and enhance the health outcomes of patients with Parkinson's disease.


Assuntos
Antiparkinsonianos , Serviços Comunitários de Farmácia , Doença de Parkinson/tratamento farmacológico , Farmacêuticos , Atenção Primária à Saúde/métodos , Papel Profissional , Idoso , Antiparkinsonianos/efeitos adversos , Antiparkinsonianos/uso terapêutico , Pré-Escolar , Serviços Comunitários de Farmácia/tendências , Feminino , Humanos , Masculino , Farmacêuticos/tendências , Atenção Primária à Saúde/tendências
11.
Neuropsychiatr Dis Treat ; 7: 103-10, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21552312

RESUMO

Implementation of guidelines can improve clinical practice. The aim in this study was to investigate whether neurologists in Germany adhered to the national Parkinson's disease guideline. Data were obtained from a cross-sectional survey of 60 neurologists. Analyses were performed on 320 patients with idiopathic Parkinson's disease with either low grades of functional impairment (Hoehn and Yahr stage I) or higher grades of functional impairment (stage II-V) but without motor complications. The sample was divided into four groups depending on age and grade of functional impairment. For each group, a biometric parameter on the use of dopamine agonists and L-dopa was defined based on the guideline. In patients aged <70 years, the recommendation to use dopamine agonists without L-dopa (parameter 1) was observed in 53% of patients with lower grades of functional impairment, whilst recommended use of dopamine agonists in more functionally impaired patients (parameter 2) was followed to a greater extent (84%). In patients aged ≥70 years, recommendations to use L-dopa without dopamine agonists were adhered to in only 50% of less functionally impaired (parameter 3) and 52% of more functionally impaired (parameter 4) patients. In conclusion, our results indicated there was moderate but not full adherence to the guideline.

12.
Pharmacoepidemiol Drug Saf ; 16(10): 1161-6, 2007 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-17486665

RESUMO

PURPOSE: There is currently a lack of detailed information concerning drug related problems in the outpatient treatment of Parkinson's disease. METHODS: Problems associated with drug treatment communicated anonymously in Parkinson's disease online forums were therefore retrospectively searched and documented for 1 year. RESULTS: Based on postings concerning 12 drugs for the treatment of Parkinson's disease, a total of 238 drug related problems were identified and categorised using the Problem Intervention Documentation (PI-Doc). Of these, 153 were adverse drug reactions. Adverse drug reactions associated with the skin were relatively common, but central effects such as cognitive or psychiatric changes, effects on the sleep/waking system and other problems like headache and dizziness accounted for the highest percentage of adverse events. A comparison with data from scientific literature revealed a number of differences. This means that an analysis of online forums detected a number of drug related problems that were otherwise largely invisible. These were mainly associated with the qualitative aspects of treatment such as medication handling, dosage and individual problems concerning adverse events. In addition, the described method of identifying and classifying drug related problems in Internet forums may also be seen as a contribution to the international discussion about consumer reports and pharmacovigilance. The information about adverse drug reactions given by Internet users can be seen as a valuable adjunct to clinical trial data and as being very timely with regard to the event itself. CONCLUSION: Online forums may be considered as a suitable source of observational information to complement data from randomised clinical trials.


Assuntos
Antiparkinsonianos/efeitos adversos , Internet , Coleta de Dados , Humanos , Estudos Retrospectivos
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