Publications by authors named "Schulte F"

The eukaryotic microrchidia (MORC) protein family are DNA gyrase, Hsp90, histidine kinase, MutL (GHKL)-type ATPases involved in gene expression regulation and chromatin compaction. The molecular mechanisms underlying these activities are incompletely understood. Here, we studied the full-length human MORC2 protein biochemically.

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Survivors of childhood cancer face reduced fertility, which can be a significant cause for concern. Our study aimed to assess the prevalence of fertility-related concerns and identify associated factors. Self-report data were collected with the Long-Term Survivor Questionnaire at the Alberta Children's Hospital's Long-Term Survivor Clinic (LTSC) between January 2021 and September 2023.

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Objectives: Adolescents and young adults (AYAs, 18-39 years) with cancer identifying as racially/ethnically minoritized or 2SLGBTQIA+ (Two-Spirit, lesbian, gay, bisexual, transgender, queer, intersex, asexual and "+" referring to other queer identities) have been underrepresented in cancer research. This study explores the aspects of identity that hold significance for these minoritized AYAs and how these facets impact their healthcare experiences.

Methods: Eligible participants comprised English-speaking AYAs who self-identified as racially/ethnically minoritized and/or 2SLGBTQIA+, were diagnosed with cancer between the ages of 15-39, currently aged > 18, and had received or were receiving cancer care within Canadian healthcare system.

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Objectives: We assessed the relationship between heat and emergency hospital admissions (EHAs) in Switzerland using clinically relevant metrics.

Methods: Applying distributed lag non-linear models, we investigated temperature-admission associations between May and September 1998-2019 for various disease groups, by age class and gender. We estimated the relative risk (RR) for moderate (29°C) and extreme (34°C) daily maximum temperatures relative to disease-specific optimum temperature, and calculated attributable fractions (AFs) for hot days and the following week.

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Importance: Depression is prevalent among patients with cancer, affecting their quality of life and survival. Aerobic physical activity (APA) is an effective strategy for managing depression in the general population, but its effectiveness for reducing depressive symptoms among patients with cancer requires further study.

Objective: To evaluate whether APA decreases depression severity in patients with cancer by synthesizing data from published randomized clinical trials (RCTs).

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Background: The incidence of thyroid cancer has increased exponentially in recent decades. At the same time, there is a growing concern surrounding the overdiagnosis of indolent thyroid cancer, leading to invasive and potentially unnecessary interventions that can significantly impact young patients' lives. Yet, the experiences of survivors of thyroid cancer have been largely understudied.

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Objective: The piriform cortex is considered to be highly epileptogenic. Its resection during epilepsy surgery is a predictor for postoperative seizure freedom in temporal lobe epilepsy. Epilepsy is associated with a dysfunction of the blood-brain barrier.

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Objective: To assess whether arterial spin labeling perfusion images of healthy controls can enhance ictal single-photon emission computed tomography analysis and whether the acquisition of the interictal image can be omitted.

Methods: We developed 2 pipelines: The first uses ictal and interictal images and compares these to single-photon emission computed tomography and arterial spin labeling of healthy controls. The second pipeline uses only the ictal image and the analogous healthy controls.

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Purpose: In contrast to the extensive literature on fear of cancer recurrence (FCR) experienced by adults, literature evaluating pediatric FCR has just begun to emerge. Given the rapidly expanding body of work assessing FCR in childhood and adolescence, a scoping review was conducted to synthesize existing findings. We aimed to assess (1) the characteristics and methods of this literature, (2) how pediatric FCR has been measured, and (3) the extant knowledge of FCR experienced by pediatric survivors of cancer.

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Background: The aim of this study was to understand the experiences of young men with a diagnosis of testicular cancer (TC) using a narrative approach, with the intention of informing models of care and support in clinical services.

Methods: TC patients were recruited to participate in one of four focus groups examining their lived experiences from diagnosis. Focus groups were recorded and transcribed and analyzed using a narrative approach.

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Adolescents and young adults (AYAs; 15-39 years) diagnosed with cancer have unique medical and psychosocial needs. These needs could be better addressed through research that is focused on the topics that matter most to them. However, there is currently no patient-oriented research agenda for AYA cancer in Canada.

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Background: Approximately 82% of children with childhood cancer survive more than five years after diagnosis. Living as a cancer survivor elicits a new reality that can include psychosocial impacts. These psychosocial impacts interact collectively, especially regarding reassimilation, and are rarely explored.

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Mutations in the methyl-DNA-binding protein MECP2 cause the neurodevelopmental disorder Rett syndrome (RTT). How MECP2 contributes to transcriptional regulation in normal and disease states is unresolved; it has been reported to be an activator and a repressor. We describe here the first integrated CUT&Tag, transcriptome, and proteome analyses using human neurons with wild-type (WT) and mutant MECP2 molecules.

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The psychosocial outcomes of adolescents and young adults (AYAs) diagnosed with cancer are poorer compared to their peers without cancer. However, AYAs with cancer from diverse racial and ethnic groups have been under-represented in research, which contributes to an incomplete understanding of the psychosocial outcomes of all AYAs with cancer. This paper evaluated the racial and ethnic representation in research on AYAs diagnosed with cancer using observational, cross-sectional data from the large Young Adults with Cancer in Their Prime (YACPRIME) study.

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Cancer is the primary underlying condition for most Canadians who are provided Medical Assistance in Dying (MAID). However, it is unknown whether cancer patients who are provided MAID experience disproportionally higher symptom burden compared to those who are not provided MAID. Thus, we used a propensity-score-matched cohort design to evaluate longitudinal symptom trajectories over the last 12 months of patients' lives, comparing cancer patients in Alberta who were and were not provided MAID.

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Background: Adolescents and young adults (AYAs; ages 15-29 years) diagnosed with cancer are increasingly recognized as an oncology population with distinct psychosocial needs. However, few specialized psychosocial interventions for AYAs currently exist. This study reports on the development of a novel group-based psychotherapy intervention to address the psychosocial needs of AYAs.

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Bone can adapt its microstructure to mechanical loads through mechanoregulation of the (re)modeling process. This process has been investigated in vivo using time-lapsed micro-computed tomography (micro-CT) and micro-finite element (FE) analysis using surface-based methods, which are highly influenced by surface curvature. Consequently, when trying to investigate mechanoregulation in tissue engineered bone constructs, their concave surfaces make the detection of mechanoregulation impossible when using surface-based methods.

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Article Synopsis
  • The study investigates interictal blood-brain barrier dysfunction in individuals with drug-resistant epilepsy, building on prior findings in animal models and human cases during seizures.
  • Thirty-nine participants with epilepsy underwent MRI scans to measure changes in T1-relaxometry before and after a contrast agent, comparing results to 29 control subjects without epilepsy.
  • Results showed significantly higher T1 difference values in brain areas associated with seizures in people with epilepsy compared to both their contralateral side and the control group, particularly in those with hippocampal sclerosis.
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  • Mitochondrial outer membrane α-helical proteins are essential for communication between mitochondria and the cytoplasm, but their targeting and insertion processes are not fully understood.
  • A study using genome-wide CRISPRi screens identified key factors involved in the biogenesis of these proteins, revealing distinct pathways based on the proteins' topology.
  • Specific components like NAC and TTC1 play critical roles in how different types of membrane proteins are targeted and inserted, with TTC1 acting as a chaperone that aids in the solubilization and insertion of signal-anchored proteins into the mitochondria.
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A greater understanding of how young people cope with a cancer diagnosis is needed in order to inform age-appropriate supportive care. This paper describes the coping strategies used and explores relationships between coping strategies and personal, medical, and psychological variables among young adults (YAs) diagnosed with cancer. YAs ( = 547, mean age = 34.

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Bone defects represent a challenging clinical problem as they can lead to non-union. models are well suited to study bone regeneration under varying conditions by linking both cellular and systems scales. This paper presents an micro-multiphysics agent-based (micro-MPA) model for bone regeneration following an osteotomy.

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Article Synopsis
  • Children with sickle cell disease (SCD) face various challenges, including difficulties in social adjustment, which this study aimed to explore.
  • The study analyzed data from 32 children and assessed social adjustment through various validated measures, finding that factors like family functioning and executive functioning significantly impact social adjustment scores.
  • The research suggests that further investigation is needed to understand how sociocultural factors and executive function influence the social adjustment of children with SCD.
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