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BMI-residualized data uncovers a cluster of people with type 2 diabetes and increased serum ferritin protected from cardiovascular disease

Background: Understanding the relationship between serum ferritin levels and cardiovascular outcomes in type 2 diabetes is crucial for improving risk stratification and guiding therapeutic interventions aimed at preventing major adverse cardiovascular events (MACE). This study aimed to identify distinct clusters of individuals with type 2 diabetes who have varying risks of MACE using a data-driven

Ultrafast two-electron transfer drives 2MLCT to 2LMCT excited state conversion in a novel iron(III) dual charge transfer absorber complex

The development of sustainable photosensitiser complexes based on Earth-abundant metallic elements is important for sustainable solar energy conversion and green synthesis through photocatalysis. We report the synthesis and characterisation of a new bis(tripodal) iron(III) N-heterocyclic carbene complex [Fe(PhB{impy}3)2]+ (PhB{impy}3 = phenyltris(imidazo-[1,5-a]-pyridinylidene)borate) featuring -e

The Role of α-Synuclein-DNAJB6b Coaggregation in Amyloid Suppression

Chaperones may retard the aggregation of other proteins and increase their solubility. An important goal is a thermodynamic understanding of such an action. Here, the chaperone DNAJB6b (JB6) is found to suppress amyloid formation of the protein α-synuclein (α-syn) leading to a reduced rate of fibril formation and an increase in apparent solubility of α-syn. These findings were reached at mildly ac

The role of pain and walking difficulties in shaping willingness to undergo joint surgery for osteoarthritis : Data from the Swedish BOA register

OBJECTIVES: To investigate whether the association between pain intensity and willingness to undergo surgery is explained by walking difficulties, in patients with knee or hip osteoarthritis (OA).METHODS: This is an observational study using data from the Better management of patients with Osteoarthritis (BOA) register, which collects data from a publicly financed self-management programme for peo

FRET-Based Screening Identifies p38 MAPK and PKC Inhibition as Targets for Prevention of Seeded α-Synuclein Aggregation

Aggregation of α-synuclein is associated with neurodegeneration and a hallmark pathology in synucleinopathies. These aggregates are thought to function as prion-like particles where the conformation of misfolded α-synuclein determines the traits of the induced pathology, similar to prion diseases. Still, little is known about the molecular targets facilitating the conformation-specific biological

Finite element model of mechanical imaging of the breast

Purpose: Malignant breast lesions can be distinguished from benign lesions by their mechanical properties. This has been utilized for mechanical imaging in which the stress distribution over the breast is measured. Mechanical imaging has shown the ability to identify benign or normal cases and to reduce the number of false positives from mammography screening. Our aim was to develop a model of mec

The compositional homogeneity of the metal particle during vapor–liquid–solid growth of nanowires

The vapor–liquid–solid (VLS) mechanism is probably the most versatile method to fabricate semiconductor nanowires and several investigations assume a compositionally homogeneous catalyst particle. In this investigation we address the compositional homogeneity of the catalyst particle during growth of nanowires. Using diffusion calculations, we show that the particle is indeed homogeneous during VL

S100A9 Links Inflammation and Repair in Myocardial Infarction

RATIONALE: The alarmin S100A9 has been identified as a potential therapeutic target in myocardial infarction. Short-term S100A9 blockade during the inflammatory phase post-myocardial infarction inhibits systemic and cardiac inflammation and improves cardiac function long term. OBJECTIVE: To evaluate the impact of S100A9 blockade on postischemic cardiac repair. METHODS AND RESULTS: We assessed card

A new efficient method to detect genetic interactions for lung cancer GWAS

Background: Genome-wide association studies (GWAS) have proven successful in predicting genetic risk of disease using single-locus models; however, identifying single nucleotide polymorphism (SNP) interactions at the genome-wide scale is limited due to computational and statistical challenges. We addressed the computational burden encountered when detecting SNP interactions for survival analysis,

Direct Conversion of Human Stem Cell-Derived Glial Progenitor Cells into GABAergic Interneurons

Glial progenitor cells are widely distributed in brain parenchyma and represent a suitable target for future therapeutic interventions that generate new neurons via in situ reprogramming. Previous studies have shown successful reprogramming of mouse glia into neurons whereas the conversion of human glial cells remains challenging due to the limited accessibility of human brain tissue. Here, we hav

Three-dimensional microstructure of human meniscus posterior horn in health and osteoarthritis

Objective: To develop and perform ex vivo 3D imaging of meniscus posterior horn microstructure using micro-computed tomography (μCT), and to compare specimens from healthy references against end-stage osteoarthritis (OA) using conventional section-based histology and qualitative μCT. Design: We retrieved human medial and lateral menisci from 10 deceased donors without knee OA (healthy references)

Our journey toward implementation of digital breast tomosynthesis in breast cancer screening : the Malmö Breast Tomosynthesis Screening Project

Purpose: The purpose is to describe the Malmö Breast Tomosynthesis Screening Project from the beginning to where we are now, and thoughts for the future. Approach: In two acts, we describe the efforts made by our research group to improve breast cancer screening by introducing digital breast tomosynthesis (DBT), all the way from initial studies to a large prospective population-based screening tri

Persistence of Ce3+ species on the surface of ceria during redox cycling : a modulated chemical excitation investigation

Operando resonant photoelectron spectroscopy (RPES) combined with modulated chemical excitation revealed the dynamic evolution of Ce3+/Ce4+ redox states at the surface of CeO2 during the CO oxidation reaction. Using alternating CO and O2 pulses as chemically modulated signals, we monitored the surface states in the valence band region, unveiling the evolution of electronic structure during the cat

Melanoma Proteomics Unveiled : Harmonizing Diverse Data Sets for Biomarker Discovery and Clinical Insights via MEL-PLOT

Using several melanoma proteomics data sets we created a single analysis platform that enables the discovery, knowledge build, and validation of diagnostic, predictive, and prognostic biomarkers at the protein level. Quantitative mass-spectrometry-based proteomic data was obtained from five independent cohorts, including 489 tissue samples from 394 patients with accompanying clinical metadata. We

Variations over time in proximal femoral strength in young adult men are not explained by areal bone mineral density alone

The decline in areal BMD (aBMD) in men may start as early as age 19, but it is debated whether proximal femoral strength follows the same pattern. We measured FN aBMD in a cross-sectional cohort of 1101 men aged 18-28 yr with two-dimensional DXA. Body height, weight, jump height, grip strength, and maximum knee extension torque muscle strength were measured with standard tests, after which BMI was

Workload reduction of digital breast tomosynthesis screening using artificial intelligence and synthetic mammography : a simulation study

Purpose: To achieve the high sensitivity of digital breast tomosynthesis (DBT), a time-consuming reading is necessary. However, synthetic mammography (SM) images, equivalent to digital mammography (DM), can be generated from DBT images. SM is faster to read and might be sufficient in many cases. We investigate using artificial intelligence (AI) to stratify examinations into reading of either SM or

Cardiovascular disease and beta-cell function at diagnosis of serologically defined adult-onset type 1 and type 2 diabetes in two Swedish cohorts 15 years apart

OBJECTIVES: To describe the prevalence of cardiovascular disease (CVD) at the time of diagnosis of adult-onset type 1 (T1D) and type 2 (T2D) diabetes, in a recent cohort and compare to a previous cohort from the same region. Further, to explore factors influencing the prevalence of pre-existing CVD, including age, sex, body mass index (BMI) and C-peptide; in the later cohort also heart failure, hy

Neuronal endolysosomal alterations induced by Apolipoprotein E4 emerge over time in primary neurons

Apolipoprotein E4 (ApoE4), the major genetic risk factor for Alzheimer's disease (AD), is vital for understanding cellular processes involved in AD pathogenesis. Evidence implicates endosomes as a central player in AD, where endosomal enlargement in neurons is among the earliest changes in AD. This enlargement was reported to be enhanced in APOE4 carriers. Cells internalize ApoE into endosomes for

Thin-channel AlGaN/GaN/AlN double heterostructure HEMTs on AlN substrates via hot-wall MOCVD

III-Nitride high-electron mobility transistors (HEMTs) grown on AlN substrates offer significant advantages for high-power, high-frequency applications due to AlN high thermal conductivity and ultra-wide bandgap. However, achieving high-quality thin GaN channel layers on AlN is challenging because of lattice mismatch, which leads to columnar growth. In this work, we present the development of a tw

Bone shape changes over two years following acute anterior cruciate ligament injury: Reconstructed vs non-reconstructed knees

Objective: To determine bone shape changes over two years after acute anterior cruciate ligament (ACL) injury and to compare knees treated with ACL reconstruction (ACLR) vs no ACLR. Design: We used prospective data involving 129 young adults (46 ​% female, mean age 25 years) with recent ACL injury from a subcohort within the prospective multicenter NACOX study. Patients were treated according to S