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Nya studier visar att elever ofta ignorerar feedback. Samtidigt vet vi att feedback är centralt för lärande. För att förstå vad som händer måste vi betrakta feedback som en sammanhängande process i flera steg av uppmärksamhet, tolkning, förståelse och användning. Detta i motsats till en traditionell modell som endast betraktar den feedback som ges (input) och elevens motsvarande prestation (output

Collagen-induced arthritis development requires alpha beta T cells but not gamma delta T cells: studies with T cell-deficient (TCR mutant) mice

Collagen type II (CII)-induced arthritis (CIA) in mice is a model for rheumatoid arthritis (RA) in which the role of T lymphocytes remains controversial. To clarify this, we have bred a targeted gene deletion of TCR beta or delta loci into two mouse strains susceptible to CIA, the B10.Q and DBA/1 strains. The TCRbeta-/- mice lacked alphabeta T cells, which was compensated by an expansion of B cell

Non-Major Histocompatibility Complex dependent variations in lymphocyte activity between inbred mouse strains susceptible to various autoimmune diseases

Transgenic techniques in inbred mouse strains are powerful tools to investigate the specific roles of genes in biological pathways and disease models. However, there is increasing concern over the influence of a variable genetic background in such experiments. To date there have been few investigations of the immunological differences between inbred mouse strains used in models of autoimmune disea

The Late Emergence of the Socioeconomic Gradient in Adult Mortality: An Urban Phenomenon?

Previous research has shown that class differences in adult mortality in the study area emerged only in the mid-twentieth century. Such findings question a universal association between socioeconomic status and mortality. This chapter examines whether these class differences in adult mortality emerged at the same time in urban as in rural areas. The analysis shows that the social class gradient in

Social Media, Anti-Corruption Activism and Democratisation in Authoritarian Contexts : A Case Study of Uzbekistan

This article aims to examine the nexus between social media, anti-corruption activism and democratisation in authoritarian regime contexts. It will investigate the complex ways in which civil society actors utilise art and humour on social media platforms to engage in covert anti-corruption activism. In doing so, we will show how, in authoritarian contexts, digital (social media) activists creativ

Higher-order thinking e-assessment in online EFL courses : Swedish instructors' perceptions and experiences

Previous research indicates that higher-order thinking skills (HOTS) have an important role in L2 learning. In an online learning context, e-assessment tasks are ideally designed to target these skills. A recently conducted study by Johansson (2020) indicates that HOTS e-assessment is relatively common in Swedish online English as a Foreign Language (EFL) courses. Generally, instructors’ perceptio

Completion axillary lymph node dissection for the identification of pN2–3 status as an indication for adjuvant CDK4/6 inhibitor treatment : a post-hoc analysis of the randomised, phase 3 SENOMAC trial

Background: In luminal breast cancer, adjuvant CDK4/6 inhibitors (eg, abemaciclib) improve invasive disease-free survival. In patients with T1–2, grade 1–2 tumours, and one or two sentinel lymph node metastases, completion axillary lymph node dissection (cALND) is the only prognostic tool available that can reveal four or more nodal metastases (pN2–3), which is the only indication for adjuvant abe

Stimulation of χ transcription by a decamer‐dependent, synergistic mechanism

The intact SP6 χ promoter stimulated transcription 30 times more efficiently than did a control promoter consisting of a TATA motif as the only promoter element. Mutation of the SP6 χ promoter decamer in two positions reduced the transcriptional stimulation activity by over 90%. Promoters containing the SP6 χ promoter octamer or a consensus octamer in front of a TATA box were ineffective immunoglo

Runaway stars masquerading as star formation in galactic outskirts

In the outskirts of nearby spiral galaxies, star formation is observed in extremely low gas surface densities. Star formation in these regions, where the interstellar medium is dominated by diffuse atomic hydrogen, is difficult to explain with classic star formation theories. In this letter, we introduce runaway stars as an explanation for this observation. Runaway stars, produced by collisional d

Ultra-high field magnetic resonance imaging parameter mapping in the posterior horn of ex vivo human menisci

Objective: To investigate the relationship between meniscus magnetic resonance (MR) relaxation parameters and meniscus degradation through quantitative imaging of ex vivo posterior horns of menisci from subjects with and without knee osteoarthritis (OA). Design: We sampled medial and lateral menisci from ten medial compartment knee OA patients (mean age 63 years) undergoing total knee replacement

Identification of an endothelial cell binding site on kininogen domain D3

High and low molecular mass kininogen, two multidomain plasma proteins, bind to endothelial cells, platelets, and neutrophils in the intravascular compartment. The specific cell attachment site on their common heavy chain is mediated by domain-3, a cystatin-like structure with inhibitory capacity for papain-like proteinases (Jiang, Y., Muller-Esterl, W., and Schmaier, A. H. (1992) J. Biol. Chem. 2

Human monocytes and neutrophils store transforming growth factor-α in a subpopulation of cytoplasmic granules

Transforming growth factor-α (TGF-α) exerts several effects on target cells, such as neovascularization promotion and mitogenic signalling. Using immunoelectron microscopy, we show that monocytes and neutrophils, store TGF- α in cytoplasmic granules. In monocytes, TGF-α did not colocalize with components of peroxidase-positive granules or with albumin of secretory vesicles. Furthermore, no colocal

Suppressed natural killer cell activity in patients with chronic autoimmune thrombocytopenic purpura

Natural killer (NK) cell activity was studied in 17 patients with primary chronic idiopathic autoimmune thrombocytopenic purpura (ATP). Fifteen of 17 patients had a significantly reduced NK cytotoxicity against 51chromium labeled K562 target cells (mean LU20% = 18 ± 20 in patients versus 65 = 2 5 in controls, P < 0.001). NK activity was also significantly reduced in all of six patients with second

Proteome analysis of cultured fibroblasts from type 1 diabetic patients and normal subjects

Context: Protein profiling of diabetic tissues could provide useful biomarkers for early diagnosis, therapeutic targets, and disease response markers. Cultured fibroblasts are a useful in vitro model for proteome analysis and study of the molecular mechanisms involved in diabetes. Objective: The objective of the study was to isolate and characterize the proteins of cultured fibroblasts, obtained b