Notes

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Oncologists frequently have sickness certification (SC) consultations, however, little is known about their experiences of such tasks.
To investigate oncologists' experiences of organisational prerequisites for SC tasks, and if lack of resources was related to experiencing SC as problematic.

Questionnaire data from 342 oncologists in Sweden were used for descriptive statistics and to calculate odds ratios (OR) with 95% confidence intervals (CI).

The majority (92.2%) had SC consultations weekly; 17.8% of the oncologists experienced such consultations as problematic weekly. Seclidemstat in vivo About a third appreciated the national guidelines for SC (34.5%) and had joint routines/policies regarding SC at their clinic (29.7%). Experiencing SC consultations as problematic was associated with stating not having enough resources for such work (OR 3.47; 95% CI 1.92-6.25). Lack of resources was associated with experiencing lack of competence in insurance medicine (3.34; 1.92-5.82), conflicts with patients regarding SC (4.22; 1.96-9.07), finding it problematic to manage the two roles as medical expert and as the patient's treating physician (3.31; 2.04-5.34), or to assess work capacity (2.28; 1.46-3.56).

Although oncologists often had SC tasks, most did not experience them as problematic weekly. However, lack of resources for SC tasks was associated with experiencing SC as problematic.
Although oncologists often had SC tasks, most did not experience them as problematic weekly. However, lack of resources for SC tasks was associated with experiencing SC as problematic.Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive multiple congenital malformation and intellectual disability syndrome resulting from variants in DHCR7. Auditory characteristics of persons with SLOS have been described in limited case reports but have not been systematically evaluated. link2 The objective of this study is to describe the auditory phenotype in SLOS. Age- and ability-appropriate hearing evaluations were conducted on 32 patients with SLOS. A subset of 21 had auditory brainstem response testing, from which an auditory neural phenotype is described. Peripheral or retrocochlear auditory dysfunction was observed in at least one ear of 65.6% (21) of the patients in our SLOS cohort. The audiometric phenotype was heterogeneous and included conductive, mixed, and sensorineural hearing loss. The most common presentation was a slight to mild conductive hearing loss, although profound sensorineural hearing loss was also observed. Abnormal auditory brainstem responses indicative of retrocochlear dysfunction were identified in 21.9% of the patients. Many were difficult to test behaviorally and required objective assessment methods to estimate hearing sensitivity. Individuals with SLOS are likely to have hearing loss that may impact communication, including speech and language development. Routine audiologic surveillance should be conducted to ensure prompt management of hearing loss.
This study investigated the role of oral health self-perception as mediator of association between dental caries and depression among pregnant women from the 2015 Pelotas Birth Cohort Study, Brazil.

Overall, 2,496 pregnant women participated of this oral health sub-study. Data related to demographic and socioeconomic conditions, lifetime and current depression, and oral health self-perception were collected. Participants were also assessed for dental caries (DMF-T index). Depression was assessed using the Edinburgh Postnatal Depression Scale. For analysis, six outcomes related to dental caries experience were considered. Causal mediation analysis was performed using parametric regression models.

When it was assumed that all subjects had poor perception about oral health, it was observed that the presence of moderate/severe depressive signals and symptoms was higher in subjects with dental caries experience (OR 1.13; CI 95% 1.06-1.20), with severity of untreated dental caries (OR 2.08; CI 95% 1.16-3.78), untreated dental caries (OR 1.18; 95% CI 1.07-1.29), tooth loss (OR 1.08; 95% CI 1.02-1.14), and filled tooth (OR 1.07; 95% CI 1.02-1.16).

Our findings show the effect of dental caries on depression is mediated by self-perception about oral health in pregnant women.
Our findings show the effect of dental caries on depression is mediated by self-perception about oral health in pregnant women.Herein, a dynamic spacer installation (DSI) strategy has been implemented to construct a series of multifunctional metal-organic frameworks (MOFs), LIFM-61/31/62/63, with optimized pore space and pore environment for ethane/ethylene separation. In this respect, a series of linear dicarboxylic acids were deliberately installed in the prototype MOF, LIFM-28, leading to a dramatically increased pore volume (from 0.41 to 0.82 cm3  g-1 ) and reduced pore size (from 11.1×11.1 Å2 to 5.6×5.6 Å2 ). The increased pore volume endows the multifunctional MOFs with much higher ethane adsorption capacity, especially for LIFM-63 (4.8 mmol g-1 ), representing nearly three times as much ethane as the prototypical counterpart (1.7 mmol g-1 ) at 273 K and 1 bar. Meanwhile, the reduced pore size imparts enhanced ethane/ethylene selectivity of the multifunctional MOFs. Theoretical calculations and dynamic breakthrough experiments confirm that the DSI is a promising approach for the rational design of multifunctional MOFs for this challenging task.The LIF-JAK2-STAT3 pathway is the central signal transducer that maintains undifferentiated mouse embryonic stem cells (mESCs), which is achieved by the recruitment of activated STAT3 to the master pluripotency genes and activation of the gene transcriptions. It remains unclear, however, how the epigenetic status required for the master gene transcriptions is built into LIF-treated mESC cultures. In this study, Jak2, but not Stat3, in the LIF canonical pathway, establishes an open epigenetic status in the pluripotency gene promoter regions. Upon LIF activation, cytosolic JAK2 was translocalized into the nucleus of mESCs, and reduced DNA methylation (5mC levels) along with increasing DNA hydroxymethylation (5hmC) in the pluripotent gene (Nanog/Pou5f1) promoter regions. In addition, the repressive histone codes H3K9m3/H3K27m3 were reduced by JAK2. Activated JAK2 directly interacted with the core epigenetic enzymes TET1 and JMJD2, modulating its activity and promotes the DNA and histone demethylation, respectively. The JAK2 effects were attained by tyrosine phosphorylation on the epigenetic enzymes. The effects of JAK2 phosphorylation on the enzymes were diverse, but all were merged to the epigenetic signatures associated with open DNA/chromatin structures. Taken together, these results reveal a previously unrecognized epigenetic regulatory role of JAK2 as an important mediator of mESC maintenance.Porcine circovirus 4 (PCV4), a novel and unclassified member of the genus Circovirus, was first reported in China in 2019. Aiming to provide more evidence about the active circulation of PCV4, this study screened 335 pooled internal organs and detected the virus (i) at a rate of 3.28%, (ii) from both clinically healthy and clinically sick pigs of various age groups, and (iii) in six out of nine provinces of Korea. The complete genomic sequence of the Korean PCV4 strain (E115) was 1,770 nucleotides in length and had 98.5%-98.9% identity to three PCV4 strains currently available at GenBank. Utilizing a set of bioinformatic programs, it was revealed that the Korean PCV4 strain contained several genomic features of (i) a palindrome stem-loop structure with a conserved nonanucleotide, (ii) packed overlapping ORFs oriented in different directions and (iii) two intergenic regions in between genes encoding the putative replication-associated protein (Rep) and capsid (Cap) proteins. This study also predicted the presence of essential elements for the replication of circoviruses in all PCV4 strains, for example the origin of DNA replication, endonuclease and helicase domains of Rep, and the nuclear localization signal on the putative Cap protein. Finally, based on the phylogeny inferred from sequences of the putative Rep protein, this study further clarified the genetic relationships between PCV4 and other CRESS DNA viruses in general and circoviruses in particular.Education in biochemistry teaching laboratories focus primarily on applying biochemical techniques to understanding human disease, biochemistry, and biotechnology. With anthropogenic climate change, there is a renewed interest in quantifying biodiversity, especially with the use of molecular-based approaches such as DNA barcoding. This 3-week laboratory exercise allowed undergraduate students to explore DNA sequencing, analysis, and DNA barcoding. Students extracted DNA from insect legs and amplified a 650 bp section of Cytochrome C oxidase I gene by PCR, and confirmed the success of their PCR by DNA gel electrophoresis. The PCR products were submitted for sequencing and students analyzed the sequences using FinchTV, Genbank, and the Barcode of Life Database. Based on the DNA sequences of their PCR products students were able to identify the species of insects. This lab exercise provides a different context to introducing students to analyzing DNA sequences and using DNA databases.The murine lower incisor ectodermal organ contains a single epithelial stem cell (SC) niche that provides epithelial progenitor cells to the continuously growing rodent incisor. The dental stem cell niche gives rise to several cell types and we demonstrate that the miR-200 family regulates these cell fates. The miR-200 family is highly enriched in the differentiated dental epithelium and absent in the stem cell niche. In this study, we inhibited the miR-200 family in developing murine embryos using new technology, resulting in an expanded epithelial stem cell niche and lack of cell differentiation. Inhibition of individual miRs within the miR-200 cluster resulted in differential developmental and cell morphology defects. miR-200 inhibition increased the expression of dental epithelial stem cell markers, expanded the stem cell niche and decreased progenitor cell differentiation. RNA-seq. identified miR-200 regulatory pathways involved in cell differentiation and compartmentalization of the stem cell niche. The miR-200 family regulates signaling pathways required for cell differentiation and cell cycle progression. link3 The inhibition of miR-200 decreased the size of the lower incisor due to increased autophagy and cell death. New miR-200 targets demonstrate gene networks and pathways controlling cell differentiation and maintenance of the stem cell niche. This is the first report demonstrating how the miR-200 family is required for in vivo progenitor cell proliferation and differentiation.Patients with chronic pain commonly report sleep problems, and the evidence for a relationship between sleep disturbance and pain seems robust. The day-to-day associations between these constructs are less well studied, particularly with objective sleep measures such as actigraphy. Moreover, the concurrent presence of negative affective symptoms, as well as seasonality effects at extreme latitudes may complicate it further. Here, we studied 56 patients with chronic primary musculoskeletal pain conditions, contributing data in two separate 7-day data-collection periods during the summer and winter, respectively. The effect of self-reported sleep quality, and actigraphy measured sleep duration, efficiency and timing on next-day pain, as well as the effect of pain on the same sleep indices were estimated by generalised linear mixed regression models. The models were additionally adjusted for age, sex, education, data collection period, weekend, season and mental distress, with the latter two also specified as moderators.
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