Background: NPM1 is a phosphoprotein highly abundant in the nucleolus. However, additional nuclear functions have been attributed to NPM1, probably through interaction with other nuclear factors. DOT1L is one interaction partner of NPM1 that catalyzes methylation of histone H3 at lysine 79 (H3K79).
View Article and Find Full Text PDFForkhead box G1 (FOXG1) has important functions in neuronal differentiation and balances excitatory/inhibitory network activity. Thus far, molecular processes underlying FOXG1 function are largely unexplored. Here, we present a multiomics data set exploring how FOXG1 impacts neuronal maturation at the chromatin level in the mouse hippocampus.
View Article and Find Full Text PDFGraphene is inherently sensitive to vicinal dielectrics and local charge distributions, a property that can be probed by the position of the Dirac point in graphene field-effect transistors. Exploiting this as a useful sensing principle requires selectivity; however, graphene itself exhibits no molecule-specific interaction. Complementarily, metal-organic frameworks can be tailored to selective adsorption of specific molecular species.
View Article and Find Full Text PDFThis work aimed to evaluate the usage of a web-based intervention (WISE: Work ability Improvement through Symptom and Ergonomic strategies) developed to improve work ability for women recently diagnosed with breast cancer. Twenty-two women undergoing adjuvant treatment for breast cancer were provided access to WISE. This website includes content pages (e.
View Article and Find Full Text PDFCharge carrier mobility is an important figure of merit to evaluate organic semiconductor (OSC) materials. In aggregated OSCs, this quantity is determined by inter-chromophoric electronic and vibrational coupling. These key parameters sensitively depend on structural properties, including the density of defects.
View Article and Find Full Text PDFUnderstanding triplet exciton diffusion between organic thermally activated delayed fluorescence (TADF) molecules is a challenge due to the unique cycling between singlet and triplet states in these molecules. Although prompt emission quenching allows the singlet exciton diffusion properties to be determined, analogous analysis of the delayed emission quenching does not yield accurate estimations of the triplet diffusion length (because the diffusion of singlet excitons regenerated after reverse-intersystem crossing needs to be accounted for). Herein, we demonstrate how singlet and triplet diffusion lengths can be accurately determined from accessible experimental data, namely the integral prompt and delayed fluorescence.
View Article and Find Full Text PDFBackground: Previous studies among the general population indicated an association between mental illnesses and different forms of financial difficulties, such as indebtedness.
Objective: Investigation of the financial burden and associated factors among inpatients and day clinic patients in psychiatric care.
Material And Methods: A total of 488 patients in psychiatric care in the catchment area of the Psychiatric University Hospital Charité at St.
The spatial orientation of chromophores defines the photophysical and optoelectronic properties of a material and serves as the main tunable parameter for tailoring functionality. Controlled assembly for achieving a predefined spatial orientation of chromophores is rather challenging. Metal-organic frameworks (MOFs) are an attractive platform for exploring the virtually unlimited chemical space of organic components and their self-assembly for device optimization.
View Article and Find Full Text PDFObjective: To determine the housing situation among people seeking psychiatric treatment in relation to morbidity and service utilisation.
Design: Cross-sectional patient survey.
Setting: Psychiatric centre with a defined catchment area in Berlin, Germany, March-September 2016.
Photonic crystals are solids with regular structures having periodicities comparable to the wavelength of light. Here, we showcase the photomodulation of the refractive index of a crystalline material and present a quasi-one-dimensional photonic crystal with remote-controllable optical properties. The photonic material is composed of layers of TiO and films of a nanoporous metal-organic framework (MOF) with azobenzene side groups.
View Article and Find Full Text PDFHeterogeneous astrocyte populations are defined by diversity in cellular environment, progenitor identity or function. Yet, little is known about the extent of the heterogeneity and how this diversity is acquired during development. To investigate the impact of TGF (transforming growth factor) β-signaling on astrocyte development in the telencephalon we deleted the TGFBR2 (transforming growth factor beta receptor 2) in early neural progenitor cells in mice using a FOXG1 (forkhead box G1)-driven CRE-recombinase.
View Article and Find Full Text PDFRett syndrome is a complex neurodevelopmental disorder that is mainly caused by mutations in MECP2. However, mutations in FOXG1 cause a less frequent form of atypical Rett syndrome, called FOXG1 syndrome. FOXG1 is a key transcription factor crucial for forebrain development, where it maintains the balance between progenitor proliferation and neuronal differentiation.
View Article and Find Full Text PDFJ Contin Educ Nurs
December 2018
The purpose of this article is to describe the findings of a 5-year program evaluation of a hospital-based Evidence-Based Practice (EBP) Scholars Program. The EBP Scholars Program was developed in 2011 to (a) educate and engage staff in the EBP process and (b) develop a cadre of EBP mentors within each clinical unit of the organization. The evaluation of the EBP Scholars Program examined both the feasibility and the impact of the program.
View Article and Find Full Text PDFCortical development is controlled by transcriptional programs, which are orchestrated by transcription factors. Yet, stable inheritance of spatio-temporal activity of factors influencing cell fate and localization in different layers is only partly understood. Here we find that deletion of Dot1l in the murine telencephalon leads to cortical layering defects, indicating DOT1L activity and chromatin methylation at H3K79 impact on the cell cycle, and influence transcriptional programs conferring upper layer identity in early progenitors.
View Article and Find Full Text PDFThe disruptor of telomeric silencing 1-like (DOT1L) mediates methylation of histone H3 at position lysine 79 (H3K79). Conditional knockout of Dot1l in mouse cerebellar granule cells (Dot1l-cKO) led to a smaller external granular layer with fewer precursors of granule neurons. Dot1l-cKO mice had impaired proliferation and differentiation of granular progenitors, which resulted in a smaller cerebellum.
View Article and Find Full Text PDFWe report on the first Q^{2}-dependent measurement of the beam-normal single spin asymmetry A_{n} in the elastic scattering of 570 MeV vertically polarized electrons off ^{12}C. We cover the Q^{2} range between 0.02 and 0.
View Article and Find Full Text PDFHigh-resolution analytical methods, including synchrotron infrared microspectroscopy combined with wavelength-dispersive X-ray emission spectroscopy were applied to study the structure and chemical composition of the oxidized layer of pure and Ag-alloyed Mg exposed to cell culture media without and with osteoblasts. Comparative analysis has been done on pure Mg immersed in two different cell culture media: Dulbecco's Modified Eagle's Medium (DMEM) and Roswell Park Memorial Institute medium (RPMI), whereas Mg-xAg binary alloys (x = 2, 4, 6, 8 wt%) were studied after immersion in DMEM. It is shown that the physicochemical formation of degradation products as well as the activity of the biological component is influenced by the addition of silver.
View Article and Find Full Text PDFBackground And Objectives: Accurately assessing breast volume (BV) relative to the volume of breast tissue to be removed could help objectively determine the optimal surgical candidates for breast conserving surgery. The objective of this study was to determine the optimal mammography-based method of BV estimation.
Methods: Mammography data was obtained for patients who underwent mastectomy for breast cancer from 2005 to 2015.
Brain development is a complex process, which is controlled in a temporo-spatial manner by gradients of morphogens and different transcriptional programs. Additionally, epigenetic chromatin modifications, like histone methylation, have an important role for establishing and maintaining specific cell fates within this process. The vast majority of histone methylation occurs on the flexible histone tail, which is accessible to histone modifiers, erasers, and histone reader proteins.
View Article and Find Full Text PDFBackground: This study sought to evaluate re-excision rates, patient satisfaction with their breasts, and healthcare costs before and after publication of 2014 Society of Surgical Oncology/American Society of Radiation Oncology consensus guideline on margins for breast conserving operation with whole-breast irradiation for stage I and II breast cancer at an academic institution.
Study Design: Patients with stage I and II invasive carcinomas who underwent partial mastectomy were divided into 2 groups based on whether they were treated before (PRE) or after (POST) guideline publication in March 2014. Groups were compared with respect to re-excision rates, conversion to mastectomy, specimen volumes, mean cost per patient of surgical care, and prospectively collected patient post-procedure quality of life.
Neuronal activity is altered in several neurological and psychiatric diseases. Upon depolarization not only neurotransmitters are released but also cytokines and other activators of signaling cascades. Unraveling their complex implication in transcriptional control in receiving cells will contribute to understand specific central nervous system (CNS) pathologies and will be of therapeutically interest.
View Article and Find Full Text PDFRecent results of processing fused silica using a high-power Q-switched CO laser source with a maximum output power of 200 W are presented. Compared to the processing with continuous wave laser radiation, the main advantage of pulsed laser radiation is the influence of the light-matter interaction with high laser peak power at small average laser power. An application for the approach presented in this paper is the flexible manufacturing and form correction of optics.
View Article and Find Full Text PDFBackground: Research has identified barriers and facilitators affecting cancer survivors' return to work (RTW) following the end of active treatment (surgery, chemotherapy and/or radiation therapy). However, few studies have focused on barriers and facilitators that cancer survivors experience while working during active treatment. Strategies used by cancer survivors to solve work-related problems during active treatment are underexplored.
View Article and Find Full Text PDFTransforming growth factor β (TGFβ)-mediated anti-proliferative and differentiating effects promote neuronal differentiation during embryonic central nervous system development. TGFβ downstream signals, composed of activated SMAD2/3, SMAD4 and a FOXO family member, promote the expression of cyclin-dependent kinase inhibitor Cdkn1a. In early CNS development, IGF1/PI3K signaling and the transcription factor FOXG1 inhibit FOXO- and TGFβ-mediated Cdkn1a transcription.
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