RESUMEN
Inactivation of flbA in Aspergillus niger results in thinner cell walls, increased cell lysis, abolished sporulation, and an increased secretome complexity. A total of 36 transcription factor (TF) genes are differentially expressed in ΔflbA. Here, seven of these genes (abaA, aslA, aslB, azf1, htfA, nosA, and srbA) were inactivated. Inactivation of each of these genes affected sporulation and, with the exception of abaA, cell wall integrity and protein secretion. The impact on secretion was strongest in the case of ΔaslA and ΔaslB that showed increased pepsin, cellulase, and amylase activity. Biomass was reduced of agar cultures of ΔabaA, ΔaslA, ΔnosA, and ΔsrbA, while biomass was higher in liquid shaken cultures of ΔaslA and ΔaslB. The ΔaslA and ΔhtfA strains showed increased resistance to H2O2, while ΔaslB was more sensitive to this reactive oxygen species. Together, inactivation of the seven TF genes impacted biomass formation, sporulation, protein secretion, and stress resistance, and thereby these genes explain at least part of the pleiotropic phenotype of ΔflbA of A. niger.
Asunto(s)
Aspergillus niger , Pared Celular , Proteínas Fúngicas , Regulación Fúngica de la Expresión Génica , Fenotipo , Esporas Fúngicas , Factores de Transcripción , Aspergillus niger/genética , Aspergillus niger/metabolismo , Aspergillus niger/crecimiento & desarrollo , Factores de Transcripción/genética , Factores de Transcripción/metabolismo , Proteínas Fúngicas/genética , Proteínas Fúngicas/metabolismo , Regulación Fúngica de la Expresión Génica/genética , Esporas Fúngicas/genética , Esporas Fúngicas/crecimiento & desarrollo , Pared Celular/metabolismo , Pared Celular/genética , Peróxido de Hidrógeno/farmacología , Pleiotropía GenéticaRESUMEN
Emerging adulthood is an important developmental phase often accompanied by peaks in loneliness, social anxiety, and depression. However, knowledge is lacking on how the relationships between emotional loneliness, social loneliness, social isolation, social anxiety and depression evolve over time. Gaining insight in these temporal relations is crucial for our understanding of how these problems arise and maintain each other across time. Young adults from a university sample (N = 1,357; M = 23.60 years, SD = 6.30) filled out questionnaires on emotional and social loneliness, social isolation, depressive and social anxiety symptoms at three time points within a 3-year period. Random intercept cross-lagged panel models were used to disentangle reciprocal and prospective associations of loneliness subtypes, social isolation, depressive and social anxiety symptoms across time. Results showed that on the within-person level, increases in emotional and social loneliness as well as social isolation predicted higher depression levels on later timepoints. Increases in depressive symptoms also predicted increases in subsequent social loneliness, but not in emotional loneliness. Finally, increases in depressive symptoms predicted increases in social isolation. There were no significant temporal relations between loneliness and social isolation on the one hand and social anxiety symptoms on the other hand. Social distancing imposed by COVID-19 related government restrictions may have impacted the current results. The findings suggest that emotional and social loneliness precede development of depressive symptoms, which in turn precedes development of social loneliness and social isolation, indicating a potential vicious cycle of social loneliness, social isolation and depressive symptoms in emerging adulthood. Social anxiety did not precede nor follow loneliness, depressive symptoms, or social isolation. The current study sheds more light on the temporal order of loneliness and psychopathological symptoms and hereby assists in identifying times where prevention and intervention efforts may be especially helpful to counter development of depression and loneliness.
RESUMEN
BACKGROUND: Public health measures such as physical distancing and distance learning have been implemented during the COVID-19 pandemic. COVID-19 related knowledge deficit can increase fear that leads to negative mental health and COVID-19, especially among adolescents. Therefore, our study aimed to assess COVID-19 related knowledge deficit and its association with fear among higher education (HE) students during the first wave of COVID-19. METHODS: A cross-sectional survey, COVID-19 International Students Well-being Study (C-19 ISWS) was conducted in 133 Higher Education Institutions (HEIs) in 26 countries between April 27 and July 7, 2020. A stratified convenience sampling technique was used. Descriptive, bivariate, mixed-effect logistic regression analyses were conducted using R software. RESULTS: Out of 127,362 respondents, 72.1% were female, and 76.5% did not report a previous history of confirmed COVID-19. The majority of those without the previous infection 81,645 (83.7%) were from 21 European countries while the rest 15,850 (16.3%) were from 5 non-European countries. The most frequent correct response to COVID-19 related knowledge questions among respondents was having the virus without having symptoms (94.3%). Compared to participants with good knowledge, the odds of being afraid of acquiring SARS-COV-2 infection among those with poor knowledge was 1.05 (95%CI:1.03,1.08) and the odds of being afraid of contracting severe COVID-19 was 1.36 (95%CI:1.31,1.40). CONCLUSION: COVID-19 related knowledge was independently associated with both fear of acquiring SARS-COV-2 infection as well as contracting severe COVID-19. Our findings will serve as a basis for public health response for both the current and similar future pandemics by highlighting the need for addressing the COVID-19 knowledge deficit to fight the infodemic and prevent negative mental health outcomes.
Asunto(s)
COVID-19 , Pandemias , Adolescente , COVID-19/epidemiología , Estudios Transversales , Miedo , Femenino , Humanos , Masculino , SARS-CoV-2 , Estudiantes , Encuestas y CuestionariosRESUMEN
BACKGROUND: Hazardous drinking among students in higher education is a growing concern. The alcohol use disorders identification test (AUDIT) is the gold standard screening instrument for hazardous drinking in the adult population, for which an abbreviated version has been developed: the -AUDIT-Consumption (AUDIT-C). Currently, there's no gold standard for identifying hazardous drinking among students in higher education and little evidence regarding the concurrent validity of the AUDIT-C as a screening instrument for this group. This study investigated the concurrent validity of the AUDIT-C in a sample of university students and suggests the most appropriate cutoff points. METHODS: Cross-sectional data of health surveys from 5,401 university and university of applied sciences in the Netherlands were used. Receiver operating characteristic (ROC) curves, sensitivity, specificity, and positive and negative predictive values for different cutoff scores of AUDIT-C were calculated for the total sample and for subgroups stratified by age, gender, and educational level. AUDIT-score ≥11 was used as the criterion of hazardous and harmful drinking. RESULTS: Twenty percent of students were hazardous and harmful drinkers. The area under the ROC curve was 0.922 (95% CI 0.914-0.930). At an AUDIT-C cutoff score of ≥7, sensitivity and specificity were both >80%, while other cutoffs showed less balanced results. A cutoff of ≥8 performed better among males, but for other subgroups ≥7 was most suitable. CONCLUSION: AUDIT-C seems valid in identifying hazardous and harmful drinking students, with suggested optimal cutoffs 7 (females) or 8 (males). However, considerations regarding avoiding false-positives versus false-negatives, in relation to the type of intervention following screening, could lead to selecting different cutoffs.
Asunto(s)
Consumo de Alcohol en la Universidad/psicología , Trastornos Relacionados con Alcohol/diagnóstico , Técnicas y Procedimientos Diagnósticos/instrumentación , Encuestas Epidemiológicas/estadística & datos numéricos , Adolescente , Adulto , Estudios Transversales , Escolaridad , Femenino , Humanos , Masculino , Países Bajos , Valor Predictivo de las Pruebas , Sensibilidad y Especificidad , Factores Sexuales , Adulto JovenRESUMEN
Blue light is an important signal for fungal development. In the mushroom-forming basidiomycete Schizophyllum commune, blue light is detected by the White Collar complex, which consists of WC-1 and WC-2. Most of our knowledge on this complex is derived from the ascomycete Neurospora crassa, where both WC-1 and WC-2 contain GATA zinc-finger transcription factor domains. In basidiomycetes, WC-1 is truncated and does not contain a transcription factor domain, but both WC-1 and WC-2 are still important for development. We show that dimerization of WC-1 and WC-2 happens independent of light in S. commune, but that induction by light is required for promoter binding by the White Collar complex. Furthermore, the White Collar complex is a promoter of transcription, but binding of the complex alone is not always sufficient to initiate transcription. For its function, the White Collar complex associates directly with the promoters of structural genes involved in mushroom development, like hydrophobins, but also promotes the expression of other transcription factors that play a role in mushroom development.
Asunto(s)
Proteínas Fúngicas , Regulación Fúngica de la Expresión Génica , Regiones Promotoras Genéticas , Schizophyllum , Factores de Transcripción , Schizophyllum/metabolismo , Schizophyllum/genética , Schizophyllum/crecimiento & desarrollo , Proteínas Fúngicas/genética , Proteínas Fúngicas/metabolismo , Factores de Transcripción/metabolismo , Factores de Transcripción/genética , Luz , Proteínas de Unión al ADN/genética , Proteínas de Unión al ADN/metabolismo , Redes Reguladoras de Genes , Unión Proteica , Agaricales/genética , Agaricales/metabolismo , Agaricales/crecimiento & desarrolloRESUMEN
BACKGROUND: Internet-based cognitive behavioral interventions (iCBTs) are efficacious treatments for depression and anxiety. However, it is unknown whether adding human guidance is feasible and beneficial within a large educational setting. OBJECTIVE: This study aims to potentially demonstrate the superiority of 2 variants of a transdiagnostic iCBT program (human-guided and computer-guided iCBT) over care as usual (CAU) in a large sample of university students and the superiority of human-guided iCBT over computer-guided iCBT. METHODS: A total of 801 students with elevated levels of anxiety, depression, or both from a large university in the Netherlands were recruited as participants and randomized to 1 of 3 conditions: human-guided iCBT, computer-guided iCBT, and CAU. The primary outcome measures were depression (Patient Health Questionnaire) and anxiety (Generalized Anxiety Disorder scale). Secondary outcomes included substance use-related problems (Alcohol Use Disorder Identification Test and Drug Abuse Screening Test-10 items). Linear mixed models were used to estimate the effects of time, treatment group, and their interactions (slopes). The primary research question was whether the 3 conditions differed in improvement over 3 time points (baseline, midtreatment, and after treatment) in terms of depression and anxiety symptoms. Results were analyzed according to the intention-to-treat principle using multiple imputation. Patients were followed exploratively from baseline to 6 and 12 months. RESULTS: In both short-term and long-term analyses, the slopes for the 3 conditions did not differ significantly in terms of depression and anxiety, although both web-based interventions were marginally more efficacious than CAU over 6 months (P values between .02 and .03). All groups showed significant improvement over time (P<.001). For the secondary outcomes, only significant improvements over time (across and not between groups) were found for drug use (P<.001). Significant differences were found in terms of adherence, indicating that participants in the human-guided condition did more sessions than those in the computer-guided condition (P=.002). CONCLUSIONS: The transdiagnostic iCBT program offers a practical, feasible, and efficacious alternative to usual care to tackle mental health problems in a large university setting. There is no indication that human guidance should be preferred over technological guidance. The potential preference of human support also depends on the scale of implementation and cost-effectiveness, which need to be addressed in future trials. TRIAL REGISTRATION: International Clinical Trials Registry Platform NL7328/NTR7544; https://trialsearch.who.int/Trial2.aspx?TrialID=NL-OMON26795.
Asunto(s)
Terapia Cognitivo-Conductual , Estudiantes , Terapia Asistida por Computador , Humanos , Terapia Cognitivo-Conductual/métodos , Masculino , Femenino , Estudiantes/psicología , Universidades , Adulto Joven , Adulto , Terapia Asistida por Computador/métodos , Intervención basada en la Internet , Depresión/terapia , Depresión/diagnóstico , Ansiedad/terapia , Ansiedad/diagnóstico , Países Bajos , Internet , Adolescente , Resultado del TratamientoRESUMEN
BACKGROUND: Loneliness and social isolation are known to be associated with depression, general anxiety, and social anxiety. However, knowledge on the overlapping and unique features of these relationships, while differentiating between social loneliness (perceived absence of an acceptable social network) and emotional loneliness (perceived absence of close connections), is lacking. METHODS: We constructed a network analysis to examine the relationships between self-reported social loneliness, emotional loneliness, social isolation, depression, general anxiety and social anxiety in a large sample of university students (N = 7314, 67.4 % female, range 16.3-75.8 years, Mage = 23.9, SDage = 5.7). Hierarchical regression analyses were used to examine whether depression, general anxiety and social anxiety moderated the relationship between social isolation and loneliness types. As comorbidity between anxiety and depression is high, the role of anxiety as a moderator in the relationship between depression and loneliness types was also examined. RESULTS: The network analysis showed that social loneliness was most strongly explained by social isolation, whereas emotional loneliness was most strongly explained by social anxiety and depression. General anxiety was solely related to loneliness through depression. The regression analyses showed that general and social anxiety and depression did not moderate the relationship between social isolation and loneliness types. LIMITATIONS: Differences found between loneliness types may be influenced by a methodological artifact of the DJGLS. CONCLUSIONS: These findings highlight the importance of social anxiety over general anxiety in relation to loneliness. Also, it showed unique relationships for social- and emotional loneliness with psycho-social variables, which has important implications for research- and clinical settings.
Asunto(s)
Depresión , Soledad , Femenino , Humanos , Adulto Joven , Adulto , Preescolar , Masculino , Soledad/psicología , Depresión/epidemiología , Depresión/psicología , Aislamiento Social/psicología , Emociones , Ansiedad/epidemiologíaRESUMEN
OBJECTIVE: The COVID-19 pandemic has confronted young adults with an unprecedented mental health challenge. Yet, prospective studies examining protective factors are limited. METHODS: In the present study, we focused on changes in mental health in a large sample (N = 685) of at-risk university students, which were measured before and during the pandemic. Network modeling was applied to 20 measured variables to explore intercorrelations between mental health factors, and to identify risk and protective factors. Latent change score modeling was used on a subset of variables. RESULTS: The main findings indicate that (1) mental health problems increased at group level, especially depression-anxiety and loneliness; (2) emotional support during the COVID pandemic was associated with smaller increases in loneliness and depression-anxiety; (3) COVID-related stress predicted increases in depression-anxiety; (4) loneliness acted as a bridge construct between emotional support and changes in mental health. CONCLUSION: To mitigate the impact of the COVID-19 pandemic on the mental health of young adults, is it recommended to focus on interventions that strengthen internal resources (stress-regulating abilities) and reduce loneliness.
Asunto(s)
COVID-19 , Ansiedad/epidemiología , Ansiedad/psicología , Depresión/epidemiología , Depresión/psicología , Humanos , Salud Mental , Pandemias , Estudios Prospectivos , Factores Protectores , SARS-CoV-2 , Estudiantes/psicología , Universidades , Adulto JovenRESUMEN
Common mental disorders, such as depression and anxiety, often emerge in college students during the transition into early adulthood. Mental health problems can seriously impact students' functioning, interpersonal relationships, and academic achievement. Actively reaching out to college students with mental health problems and offering them internet-based interventions may be a promising way of providing low-threshold access to evidence-based treatment in colleges. This randomized controlled trial aimed to assess the effectiveness of a guided web-based transdiagnostic individually tailored Cognitive Behavioral Therapy (iCBT) in treating college students with depression and/or anxiety symptoms. Through an online survey that screened college students' mental health, we recruited 100 college students aged ≥18 years who reported mild to moderate depression and/or anxiety symptoms and were attending colleges in the Netherlands. Participants were randomly allocated to guided iCBT (n = 48) or treatment as usual (TAU) control (n = 52). Primary outcomes were symptoms of depression and anxiety measured at post-treatment (7 weeks post-randomization). We also measured all outcomes at 6- and 12-months post-randomization. All analyses were based on the intention-to-treat principle and were repeated using the complete-case sample. We found no evidence of a difference between the effects of guided iCBT and TAU in any of the examined outcomes (i.e., symptoms of depression and anxiety, quality of life, educational achievement, and college dropout) across all time points (p > .05). There was no evidence that effects of iCBT were associated with treatment satisfaction and adherence. More research into transdiagnostic individually tailored iCBT is necessary. Further, future studies should recruit larger samples to investigate possible smaller but clinically relevant effects of internet-based interventions for college students with depression and/or anxiety.
Asunto(s)
Terapia Cognitivo-Conductual , Intervención basada en la Internet , Adolescente , Adulto , Ansiedad/terapia , Depresión/terapia , Humanos , Internet , Calidad de Vida , Estudiantes/psicología , Resultado del TratamientoRESUMEN
Wood-decaying fungi of the class Agaricomycetes (phylum Basidiomycota) are saprotrophs that break down lignocellulose and play an important role in nutrient recycling. They secrete a wide range of extracellular plant cell wall degrading enzymes that break down cellulose, hemicellulose, and lignin, the main building blocks of plant biomass. Although the production of these enzymes is regulated mainly at the transcriptional level, no activating regulators have been identified in any wood-decaying fungus in the class Agaricomycetes. We studied the regulation of cellulase expression in the wood-decaying fungus Schizophyllum commune. Comparative genomics and transcriptomics on two wild isolates revealed a Zn2Cys6-type transcription factor gene (roc1) that was highly upregulated during growth on cellulose, compared to glucose. It is only conserved in the class Agaricomycetes. A roc1 knockout strain showed an inability to grow on medium with cellulose as sole carbon source, and growth on cellobiose and xylan (other components of wood) was inhibited. Growth on non-wood-related carbon sources was not inhibited. Cellulase gene expression and enzyme activity were reduced in the Δroc1 strain. ChIP-Seq identified 1474 binding sites of the Roc1 transcription factor. Promoters of genes involved in lignocellulose degradation were enriched with these binding sites, especially those of LPMO (lytic polysaccharide monooxygenase) CAZymes, indicating that Roc1 directly regulates these genes. A conserved motif was identified as the binding site of Roc1, which was confirmed by a functional promoter analysis. Together, Roc1 is a key regulator of cellulose degradation and the first identified in wood-decaying fungi in the phylum Basidiomycota. IMPORTANCE Wood-degrading fungi in the phylum Basidiomycota play a crucial role in nutrient recycling by breaking down all components of wood. Fungi have evolved transcriptional networks that regulate expression of wood-degrading enzymes, allowing them to prioritize one nutrient source over another. However, to date all these transcription factors have been identified in the phylum Ascomycota, which is only distantly related to the phylum Basidiomycota. Here, we identified the transcription factor Roc1 as a key regulator of cellulose degradation in the mushroom-forming and wood-degrading fungus Schizophyllum commune. Roc1 is highly conserved in the phylum Basidiomycota. Using comparative genomics, transcriptomics, ChIP-Seq and promoter analysis we have identified direct targets of Roc1, as well as other aspects of the transcriptional response to cellulose.
Asunto(s)
Agaricales , Basidiomycota , Celulasa , Schizophyllum , Agaricales/genética , Agaricales/metabolismo , Basidiomycota/genética , Carbono/metabolismo , Celulasa/metabolismo , Celulosa/metabolismo , Proteínas Fúngicas/genética , Proteínas Fúngicas/metabolismo , Lignina/metabolismo , Schizophyllum/genética , Schizophyllum/metabolismo , Factores de Transcripción/genética , Factores de Transcripción/metabolismoRESUMEN
Mushroom formation represents the most complex multicellular development in fungi. In the model mushroom Schizophyllum commune, comparative genomics and transcriptomics have previously resulted in a regulatory model of mushroom development. However, little is known about the role of epigenetic regulation. We used chromatin immunoprecipitation sequencing (ChIP-Seq) to determine the distribution of dimethylation of lysine 4 on histone H3 (H3K4me2), a mark for transcriptionally active genes, during monokaryotic and dikaryotic development. We identified a total of 6032 and 5889 sites during monokaryotic and dikaryotic development, respectively. The sites were strongly enriched near translation initiation sites of genes. Although the overall epigenetic landscape was similar between both conditions, we identified 837 sites of differential enrichment during monokaryotic or dikaryotic development, associated with 965 genes. Six transcription factor genes were enriched in H3K4me2 during dikaryotic development, indicating that these are epigenetically regulated during development. Deletion of two of these genes (fst1 and zfc7) resulted in arrested development of fruiting bodies, resulting in immature mushrooms. Together these results indicate that H3K4me2 ChIP-Seq is a powerful new tool to map the restructuring of the epigenetic landscape during mushroom development. Moreover, it can be used to identify novel developmental regulators.
Asunto(s)
Secuenciación de Inmunoprecipitación de Cromatina/métodos , Histonas/metabolismo , Schizophyllum/crecimiento & desarrollo , Factores de Transcripción/genética , Epigénesis Genética , Proteínas Fúngicas/genética , Proteínas Fúngicas/metabolismo , Eliminación de Gen , Metilación , Iniciación de la Cadena Peptídica Traduccional , Schizophyllum/genéticaRESUMEN
Psychological problems like procrastination, perfectionism, low self-esteem, test anxiety and stress are common among college students. There are evidence-based interventions available for these problems that not only have direct effects on these problems, but also indirect effects on mental disorders such as depression and anxiety disorders. Targeting these psychological problems may offer new opportunities to prevent and treat mental disorders in a way that is less stigmatizing to students. In this study we examined the association of five psychological problems with five common mental disorders (panic, generalized anxiety, bipolar, major depressive, and substance use disorder) in a sample of 2,449 students from two Dutch universities. Psychological problems were measured with one item for each problem and mental disorders were measured with the Composite International Diagnostic Interview Screening Scales. Associations were examined with Poisson regression models as relative risks (RR) of the disorders as a function of the psychological problems. The population attributable fraction (PAF) indicates by what percentage the prevalence of the mental disorder would be reduced if the psychological problem was addressed successfully by an intervention. Especially generalized anxiety disorder was strongly associated with psychological problems (strong associations with stress and low self-esteem and moderately with test anxiety). The group with three or more psychological problems had a strongly increased risk for generalized anxiety (RR = 11.25; 95% CI: 7.51-16.85), and a moderately increase risk for major depression (RR = 3.22; 95% CI: 2.63-3.95), panic disorder (RR = 3.19; 95% CI: 1.96-5.20) and bipolar disorder (RR = 3.66; 95% CI: 2.40-5.58). The PAFs for having any of the psychological problems (one or more) were considerable, especially for generalized anxiety (60.8%), but also for panic disorder (35.1%), bipolar disorder (30.6%) and major depression (34.0%). We conclude that common psychological problems are associated with mental disorders and with each other. After adjustment, psychological problems are associated with different patterns of mental disorders. If the impact of the psychological problems could be taken away, the prevalence of several mental disorders would be reduced considerably. The psychological problems may provide a promising target to indirectly prevent and intervene in psychopathology in hard to reach college students with mental disorders.
RESUMEN
INTRODUCTION: Emerging adulthood is a phase in life that is associated with an increased risk to develop a variety of mental health disorders including anxiety and depression. However, less than 25% of university students receive professional help for their mental health reports. Internet-based cognitive behavioural therapy (iCBT) may entail useful interventions in a format that is attractive for university students. The aim of this study protocol is to test the effectiveness of a therapist-guided versus a computer-guided transdiagnostic iCBT programme with a main focus on anxiety and depression. METHODS AND ANALYSIS: University students with anxiety and/or depressive symptoms will be randomised to a (1) 7-week iCBT programme (excluding booster session) with therapist feedback, (2) the identical iCBT programme with computer feedback only or (3) care as usual. Participants in the care as usual condition are informed and referred to conventional care services and encouraged to seek the help they need. Primary outcome variables are self-reported levels of anxiety as measured with the General Anxiety Disorder-7 and self-reported levels of depression as measured with the Patient Health Questionnaire-9. Secondary outcomes include treatment adherence, client satisfaction, medical service use, substance use, quality of life and academic achievement. Assessments will take place at baseline (t1), midtreatment (t2), post-treatment (t3), at 6 months (t4) and 12 months (t5) postbaseline. Social anxiety and perfectionism are included as potentially important predictors of treatment outcome. Power calculations are based on a 3 (group) × 3 (measurement: pretreatment, midtreatment and post-treatment) interaction, resulting in an aimed sample of 276 participants. Data will be analysed based on intention-to-treat and per protocol samples using mixed linear models. ETHICS AND DISSEMINATION: The current study was approved by the Medical Ethics Review Committee (METC) of the Academic Medical Centre, Amsterdam, The Netherlands (number: NL64929.018.18). Results of this trial will be published in peer-reviewed journals. TRIAL REGISTRATION NUMBER: NL7328.
Asunto(s)
Terapia Cognitivo-Conductual , Depresión , Adulto , Ansiedad/terapia , Trastornos de Ansiedad/terapia , Depresión/terapia , Humanos , Internet , Calidad de Vida , Ensayos Clínicos Controlados Aleatorios como Asunto , Estudiantes , Resultado del Tratamiento , UniversidadesRESUMEN
The purpose of this article is to develop a context-based and identity-centered perspective on help-seeking. Recent approaches have indicated the inability of conventional models of help-seeking to account for the non-utilization of health care services in situations for which services, resources and information are adequately provided. We address this non-utilization from a perspective that explores the interactions between notions of health, illness, and identity formation, especially in highly transitional situations in which people are confused about their identity and sense of belonging. More specifically, we explore the non-utilization of health care services by Dutch university students. The results of 36 in-depth interviews show that the help-seeking behaviors of university students are closely associated with questions about identity, forms of agency, and styles of self-presentation, and are deeply influenced by the uncertain social and cultural context in which students are inserted. For example, being a 'normal' student was often regarded as more important than solving health problems, and stress was repeatedly portrayed as a constant and inevitable condition of everyday student life, giving a common language to express the burdens of the shared student experience. Some students even romanticized health problems. Eventually students with serious health problems avoided accessing health services.
Asunto(s)
Aceptación de la Atención de Salud/psicología , Psicología del Adolescente , Identificación Social , Servicios de Salud para Estudiantes/estadística & datos numéricos , Estudiantes/psicología , Adolescente , Adulto , Femenino , Humanos , Masculino , Países Bajos , Adulto JovenRESUMEN
Students report a lower health status compared with working peers. This discrepancy may be the result of differences in their living situation, such as student housing. The aim of this study was to compare students who were living with their parents with students who were not living with their parents but rather with peers, alone, or with a partner using logistic regression analyses. We hypothesized that students who were living with their parents would report better health outcomes than students who were living with peers or alone or with a partner. A group of 8,258 students studying at the University of Amsterdam, the Netherlands were invited to complete an internet-distributed questionnaire, consisting of questions about general health, fatigue, psychological health, support, study-related issues, study-related problem solving, time pressure, perceived study delay and program study delay, and living situation. Students who are living with their parents reported a lower health status compared with students living with peers or alone/with a partner. Students living with their parents were less often using tobacco, alcohol, or drugs compared with the other two groups. Our hypothesis is not supported by the results of the present study. Students living alone or with a partner and students who are living with peers reported a better general health status than students living with their parents.
Asunto(s)
Conductas Relacionadas con la Salud , Vivienda , Padres , Grupo Paritario , Calidad de Vida , Percepción Social , Estudiantes , Universidades , Adulto , Análisis de Varianza , Femenino , Estado de Salud , Humanos , Masculino , Países Bajos , Relaciones Padres-Hijo , Encuestas y CuestionariosRESUMEN
Efficient gene deletion methods are essential for the high-throughput study of gene function. Compared to most ascomycete model systems, gene deletion is more laborious in mushroom-forming basidiomycetes due to the relatively low incidence of homologous recombination (HR) and relatively high incidence of non-homologous end-joining (NHEJ). Here, we describe the use of pre-assembled Cas9-sgRNA ribonucleoproteins (RNPs) to efficiently delete the homeodomain transcription factor gene hom2 in the mushroom-forming basidiomycete Schizophyllum commune by replacing it with a selectable marker. All components (Cas9 protein, sgRNA, and repair template with selectable marker) were supplied to wild type protoplasts by PEG-mediated transformation, abolishing the need to optimize the expression of cas9 and sgRNAs. A Δku80 background further increased the efficiency of gene deletion. A repair template with homology arms of 250 bp was sufficient to efficiently induce homologous recombination. This is the first report of the use of pre-assembled Cas9 RNPs in a mushroom-forming basidiomycete and this approach may also improve the genetic accessibility of non-model species.
Asunto(s)
Proteína 9 Asociada a CRISPR/metabolismo , Eliminación de Gen , Marcación de Gen/métodos , Ribonucleoproteínas/metabolismo , Schizophyllum/genética , Proteína 9 Asociada a CRISPR/genética , Proteínas Fúngicas/genética , Proteínas Fúngicas/metabolismo , Ingeniería Genética/métodos , Recombinación Homóloga , ARN Guía de Kinetoplastida/genética , ARN Guía de Kinetoplastida/metabolismo , Ribonucleoproteínas/genética , Factores de Transcripción/genética , Factores de Transcripción/metabolismoRESUMEN
INTRODUCTION: The college years are a peak period for the onset of common mental disorders. Poor mental health is associated with low academic attainment, physical, interpersonal and cognitive impairments. Universities can use online approaches to screen students for mental disorders and treat those in need. The present study aims to assess the effectiveness of a guided web-based transdiagnostic individually tailored intervention to treat students with symptoms of depression and/or anxiety. METHODS: and analysis : The present study is a randomised controlled trial. Participants are Dutch college students (≥18 years) with mild to moderate depression and/or anxiety symptoms. The intervention is a guided web-based transdiagnostic individually tailored intervention that targets symptoms of depression and/or anxiety. The intervention consists of seven online sessions with a duration ranging from 4 to 7 weeks depending on individual progress. A booster session is administered 4 weeks after the completion of the seventh session. Primary outcome measures are the Patient Health Questionnaire for depression and the Generalised Anxiety Disorder 7-item scale for anxiety. These scales are administered at screening, post-treatment and follow-up assessments (6 and 12 months post-randomisation). : E THICS AND DISSEMINATION: The Medical Ethics Committee of the Vrije Universiteit Medical Centre has approved the protocol (registration number 2016.583, A2017.362andA2018.421). Results of the trial will be published in a peer-reviewed journal. TRIAL REGISTRATION NUMBER: NTR6797; Pre-results.
Asunto(s)
Ansiedad/terapia , Terapia Cognitivo-Conductual , Depresión/terapia , Intervención basada en la Internet , Ensayos Clínicos Controlados Aleatorios como Asunto , Estudiantes/psicología , Adolescente , Ansiedad/psicología , Terapia Cognitivo-Conductual/métodos , Depresión/psicología , Femenino , Estudios de Seguimiento , Humanos , Masculino , Cuestionario de Salud del Paciente , Resultado del Tratamiento , UniversidadesRESUMEN
Objective Delayed childbearing has gradually started to become the norm for higher educational students, with possible increased future fertility risks and psychological distress as a consequence. What do female students expect from their general practitioners (GP) and other health care providers (HCPs) with regard to delaying childbearing? We also looked into indicators that can be used by HCPs to detect female university students who have issues regarding delayed childbearing. Methods Cross sectional study: A total of 398 female students (mean age 21.83; SD = 2.4) from at least three different universities completed the questionnaire (distributed through the Internet and at a students' health service). Potential predictors for having an issue regarding delayed childbearing were assessed with multivariate logistic regression. Results Thirteen percent of 398 female students experienced being childless as more or less problematic. Forty-nine percent thinks having children deserves more attention and 33% of the students expect attention from their GP regarding a possible desire to have children during contraceptive consultations. Four factors demonstrated significant associations with having an issue concerning delayed childbearing: age (these issues also occur in younger students), worrying about fertility, not opting for an abortion if pregnant and dissatisfaction with current contraceptive use. Conclusion HCPs should discuss delayed childbearing with female students, addressing both the decrease of fertility after a certain age (30), the limited range of fertility methods, and the possible negative physical and psychological consequences of postponement. These elements could be included into programmes of sexual and reproductive health training and into pre-conception care and pre-conception education.
RESUMEN
OBJECTIVES: Decision aids in the field of healthcare contribute to informed decision making. To increase the usefulness and effectiveness of decision aids, it is important to involve end-users in the development of these tools. This article reports on the development of an online contraceptive decision aid. METHODS: An exploratory, qualitative study was conducted in the Netherlands between 2014 and 2016. The development process of the decision aid consisted of six steps and included a needs assessment and field test. Interviews were conducted with 17 female students. RESULTS: The needs assessment provided information on the preferred content and structure of a contraceptive decision aid and guided the development of the online contraceptive decision aid prototype. Participants had an overall positive impression of the decision aid prototype during the field test. Minor revisions were made based on participants' feedback. Participants expected that the decision aid would positively contribute to decision making by increasing knowledge and awareness regarding the available contraceptive methods and their features and attributes, and by opening up to other options than the known methods. CONCLUSION: The developed contraceptive decision aid can contribute to better informed decision making and consultation preparation. Involving end-users in development seems valuable to adapt decision aids to specific needs and to identify in what way a decision aid influences decision making.
RESUMEN
Compared with their working peers, students report more health complaints. A worse self-rated health status could hinder students to function optimally within the high demands of studying at university. On the other hand, it can be expected that worse academic functioning may have a negative influence on existing health problems or even initiate health problems. The aim of this study was to investigate associations between indicators of health and study delay in university students in the Netherlands. A group of 5,859 students was invited to complete a questionnaire, consisting of questions about general health, fatigue, psychological health, support, study-related issues, study-related problem solving, time pressure, perceived study delay and program study delay. Three study delay profiles were calculated--program delay without perceived delay (A), perceived delay without program delay (B), and perceived and program delay (C) with no study delay as reference. The response rate was 51%. Profile A was associated with unfavorable outcomes in support, study-related issues, and study-related problem solving. Profiles B and C presented unfavorable outcomes in all dimensions. Perceived study delay appeared to be a more important determinant of unfavorable outcomes than program delay. The group with perceived delay without program delay closely resembled the group with perceived and program delay. This group may be at risk for future program-study delay.