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- Günther-Hanssen, Anna
(författare)
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Barn, naturvetenskap och könande processer i förskolan
- 2020
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this thesis is to explore how scientific phenomena, together with other agents (human and nonhuman) in preschool, participate in and co-create gendering processes as well as children’s emergent scientific explorations. These are seen as mutual processes emerging in the daily doings and routines in preschool. As a theoretical and methodological foundation, a new materialist perspective drawing on Karen Barad’s (2007) theory of agential realism and diffractive methodology were used, as well as de Freitas and Palmer’s (2016) notion concerning how scientific concepts can work as creative playmates in children’s explorations. The thesis includes four papers that build on data conducted during a field study in a Swedish preschool, together with 25 five year-old children and three teachers. Participant observations, including video recordings and field notes were made over a period of 5 months. The results show that, if and how children get to engage with emergent science is linked to if and how they manage to occupy space and co-act with different materials. As the children were co-acting with different materials, scientific phenomena could make themselves known and intelligible to the children. This means that becoming scientific is something that is enabled in entanglements. One important result connected to this is that these entanglements can include ways and agents not commonly thought of as “scientific”, such as a drawing table, hearts, and feminine discourses. Another result is that even though girls and boys explore together within the same activity, this does not automatically lead to a situation that is more equal. From these results I discuss how children’s emergent scientific explorations are always part of larger, gendered processes. I also discuss the importance to highlight how science in preschool can be “done” in various ways. Otherwise there is a risk that the false picture could be created that some children, already at preschool age, are more “suitable” for science, while others are created as “less suitable”, just as can occur in school and higher education. Furthermore, during the discussion I show how scientific phenomena can work as tools for teachers to approach gendering processes together with.
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- Danielsson, Mattias, et al.
(författare)
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Association between cerebrospinal fluid biomarkers of neuronal injury or amyloidosis and cognitive decline after major surgery.
- 2021
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Ingår i: British journal of anaesthesia. - : Elsevier BV. - 1471-6771 .- 0007-0912. ; 126:2, s. 467-76
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Tidskriftsartikel (refereegranskat)abstract
- Postoperative neurocognitive decline is a frequent complication in adult patients undergoing major surgery with increased risk for morbidity and mortality. The mechanisms behind cognitive decline after anaesthesia and surgery are not known. We studied the association between CSF and blood biomarkers of neuronal injury or brain amyloidosis and long-term changes in neurocognitive function.In patients undergoing major orthopaedic surgery (knee or hip replacement), blood and CSF samples were obtained before surgery and then at 4, 8, 24, 32, and 48 h after skin incision through an indwelling spinal catheter. CSF and blood concentrations of total tau (T-tau), neurofilament light, neurone-specific enolase and amyloid β (Aβ1-42) were measured. Neurocognitive function was assessed using the International Study of Postoperative Cognitive Dysfunction (ISPOCD) test battery 1-2 weeks before surgery, at discharge from the hospital (2-5 days after surgery), and at 3 months after surgery.CSF and blood concentrations of T-tau, neurone-specific enolase, and Aβ1-42 increased after surgery. A similar increase in serum neurofilament light was seen with no overall changes in CSF concentrations. There were no differences between patients having a poor or good late postoperative neurocognitive outcome with respect to these biomarkers of neuronal injury and Aβ1-42.The findings of the present explorative study showed that major orthopaedic surgery causes a release of CSF markers of neural injury and brain amyloidosis, suggesting neuronal damage or stress. We were unable to detect an association between the magnitude of biomarker changes and long-term postoperative neurocognitive dysfunction.
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- Günther-Hanssen, Anna, et al.
(författare)
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How does Gendering Matter in Preschool Science : Emergent Science, ‘Neutral’ Environments and Gendering Processes in Preschool
- 2020
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Ingår i: Gender and Education. - : Informa UK Limited. - 0954-0253 .- 1360-0516. ; 32:5, s. 608-625
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Tidskriftsartikel (refereegranskat)abstract
- his article explores gendered processes in preschool science through Barad’s agential realism [2007. Meeting the Universe Halfway. Quantum Physics of the Entanglement of Matter and Meaning. London: Duke Universal Press], and as such, the study makes both theoretical and empirical contributions in how it combines perspectives from emergent science [Siraj-Blatchford, J. 2001. Emergent Science and Technology in the Early Years.” Paper presented at the XXIII World Congress of OMEP. Santiago, Chile, August 3], new materialism, and gender theory. Empirically, the study makes use of data constructed during a field study in a Swedish preschool with five-year-old children. The focus of the field study was the children’s play and explorations together with the preschool environment, during activities not specifically guided by teachers. The analysis highlights how the children’s identities and scientific explorations are made possible as well as constrained together with the preschool’s material-discursive environment. As such, the study demonstrates how teachers cannot rely on any environment, activity, choice or subject content to be (gender) neutral.
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- Myléus, Anna, 1978-, et al.
(författare)
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Celiac disease revealed in 3% of Swedish 12-year-olds born during an epidemic
- 2009
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Ingår i: Journal of Pediatric Gastroenterology and Nutrition - JPGN. - New York : Raven P. - 0277-2116 .- 1536-4801. ; 49:2, s. 170-176
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Tidskriftsartikel (refereegranskat)abstract
- Objetive: Sweden experienced a marked epidemic of celiac disease between 1984 and 1996 in children younger than 2 years of age, partly explained by changes in infant feeding. The objective of this study was to determine the prevalence of celiac disease in 12-year-olds born during the epidemic (1993), including both symptomatic and screening detected cases.Patients and methods: All sixth-grade children in participating schools were invited (n = 10,041). Symptomatic and, therefore, previously diagnosed celiac disease cases were ascertained through the National Swedish Childhood Celiac Disease Register and/or medical records. All serum samples were analyzed for antihuman tissue transglutaminase (tTG)-IgA (Celikey), and serum-IgA, and some for tTG-IgG and endomysial antibodies. A small intestinal biopsy was recommended for all children with suspected undiagnosed celiac disease.Results: Participation was accepted by 7567 families (75%). Previously diagnosed celiac disease was found in 67 children; 8.9/1000 (95% confidence interval [CI] 6.7-11). In another 192 children, a small intestinal biopsy was recommended and was performed in 180. Celiac disease was verified in 145 children, 20/1000 (95% CI 17-23). The total prevalence was 29/1000 (95% CI 25-33).Conclusions: The celiac disease prevalence of 29/1000 (3%)-with two thirds of cases undiagnosed before screening-is 3-fold higher than the usually suggested prevalence of 1%. When these 12-year-olds were infants, the prevailing feeding practice was to introduce gluten abruptly, often without ongoing breast-feeding, which might have contributed to this unexpectedly high prevalence.
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- Shao, Linus Ruijin, 1964, et al.
(författare)
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Down-Regulation of Cilia-Localized IL-6R{alpha} by 17{beta}-Estradiol in Mouse and Human Fallopian Tubes.
- 2009
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Ingår i: American journal of physiology. Cell physiology. - : American Physiological Society. - 0363-6143 .- 1522-1563. ; 297:1
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Tidskriftsartikel (refereegranskat)abstract
- The action of Interleukin-6 (IL-6) impacts female reproduction. Although IL-6 was recently shown to inhibit cilia activity in human fallopian tubes in vitro, the molecular mechanisms underlying IL-6 signaling to tubal function remain elusive. Here, we investigate the cellular localization, regulation, and possible function of two IL-6 receptors (IL-6Ralpha and gp130) in mouse and human fallopian tubes in vivo. We show that IL-6Ralpha is restricted to the cilia of epithelial cells in both mouse and human fallopian tubes. Exogenous 17beta-estradiol (E2), but not progesterone (P4), causes a time-dependent decrease in IL-6Ralpha expression which is blocked by the estrogen receptor (ER) antagonist ICI 182,780. Exposure of different ER-selective agonists, PTT or DPN, demonstrated an ER subtype-specific regulation of IL-6Ralphaalpha in mouse fallopian tubes. In contrast to IL-6Ralpha, gp130 was detected in tubal epithelial cells in mice but not in humans. In humans, gp130 was found in the muscle cells and was decreased in the periovulatory and luteal phases during the reproductive cycles, indicating a species-specific expression and regulation of gp130 in the fallopian tube. Expression of tubal IL-6Ralpha and gp130 in IL-6 knockout mice was found to be normal; however, E2 treatment increased IL-6Ralpha, but not gp130, in IL-6 knockout mice compared to wild-type mice. Furthermore, expression levels of IL-6Ralpha, but not gp130, decreased in parallel with estrogenic accelerated oocyte-cumulus complex (OCC) transport in mouse fallopian tubes. Our findings unveil a potential role for cilia-specific IL-6Ralpha in the regulation of OCC transport and suggest an estrogen-regulatory pathway of IL-6Ralpha in the fallopian tube. Key words: estrogen, IL-6R, cilia, fallopian tube.
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- Agardh, Emilie E., et al.
(författare)
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Disease Burden Attributed to Drug use in the Nordic Countries : a Systematic Analysis for the Global Burden of Diseases, Injuries, and Risk Factors Study 2019
- 2023
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Ingår i: International Journal of Mental Health and Addiction. - 1557-1874 .- 1557-1882.
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Tidskriftsartikel (refereegranskat)abstract
- The Nordic countries share similarities in many social and welfare domains, but drug policies have varied over time and between countries. We wanted to compare differences in mortality and disease burden attributed to drug use over time. Using results from the Global Burden of Disease (GBD) study, we extracted age-standardized estimates of deaths, DALYs, YLLs and YLDs per 100 000 population for Denmark, Finland, Iceland, Norway, and Sweden during the years 1990 to 2019. Among males, DALY rates in 2019 were highest in Finland and lowest in Iceland. Among females, DALY rates in 2019 were highest in Iceland and lowest in Sweden. Sweden have had the highest increase in burden since 1990, from 252 DALYs to 694 among males, and from 111 to 193 among females. Norway had a peak with highest level of all countries in 2001-2004 and thereafter a strong decline. Denmark have had the most constant burden over time, 566-600 DALYs among males from 1990 to 2010 and 210-240 DALYs among females. Strict drug policies in Nordic countries have not prevented an increase in some countries, so policies need to be reviewed.
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