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  • Shahim, Pashtun, et al. (författare)
  • Cerebrospinal Fluid Stanniocalcin-1 as a Biomarker for Alzheimer’s Disease and Other Neurodegenerative Disorders
  • 2017
  • Ingår i: NeuroMolecular Medicine. - 1535-1084 .- 1559-1174. ; 19:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Stanniocalcin-1 (STC-1) is a nerve cell-enriched protein involved in intracellular calcium homeostasis regulation. Changes in calcium regulation are hypothesized to play a role in the pathophysiology of Alzheimer's disease (AD). The expression of STC-1 increases in response to ischemic stroke, but whether it is altered in neurodegenerative disorder, particularly Alzheimer's disease (AD), has not been investigated before. We measured STC-1 in cerebrospinal fluid (CSF) samples from a total of 163 individuals including AD, prodromal AD (pAD), mixed AD, stable mild cognitive impairment (sMCI), and diagnoses of other dementia than AD, as well as cognitively normal controls (CNC) enrolled at academic centers in France and Sweden. STC-1 concentration was reliably measureable in all CSF samples and was significantly increased in the initial exploratory cohort of neurochemically enriched AD patients versus AD biomarker-negative controls. In the second cohort, STC-1 was increased in AD versus pAD, and other dementia disorders, but the difference was not statistically significant. In the third cohort, there was no significant difference in STC-1 concentration between AD and CNC; however, STC-1 concentration was significantly decreased in patients with other dementia disorders compared with AD and CNC. Taken together, CSF STC-1 showed an increasing trend in AD, but the findings were not consistent across the three study cohorts. In contrast, CSF STC-1 concentrations were reduced in patients with dementia diagnoses other than AD, as compared with both AD patients and CNC. The findings from these studies suggest CSF STC-1 as a potential biomarker in differential diagnosis of dementias.
  • Brun, Arne, et al. (författare)
  • The Birth and Early Evolution of the Frontotemporal Dementia (FTD) Concept.
  • 2011
  • Ingår i: Journal of Molecular Neuroscience : MN. - Humana Press. - 1559-1166. ; 45, s. 324-329
  • Tidskriftsartikel (refereegranskat)abstract
    • An historical overview of the development of the concept of frontotemporal dementia is presented, regarding the last 30 years, using as a backbone the conferences held on this theme, with a start in 1986 in Lund, Sweden. Since then, a dramatic increase in research activities and publications has rapidly expanded our knowledge in this field, a step necessary for the ultimate goal to find an effective treatment of this devastating disorder.
  • Olsson, Lars-Eric, 1951-, et al. (författare)
  • Höftfraktur
  • 2009
  • Ingår i: Prehospital akutsjukvård Redaktörer Leif Svensson Björn-Ove Suserud. - Stockholm : Liber. - 978-91-47-08448-7 ; s. 428-434
  • Bokkapitel (övrigt vetenskapligt)
  • Kramberger, MG, et al. (författare)
  • Association between EEG abnormalities and CSF biomarkers in a memory clinic cohort
  • 2013
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - S. Karger. - 1420-8008. ; 36:5-6, s. 319-328
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The aim of the study was to describe distinct electroencephalogram (EEG) phenotypes defined after routine visual EEG analysis in a large memory clinic cohort and to investigate their relationship to cerebrospinal fluid (CSF) biomarkers. Methods: Patients with Alzheimer's disease (n = 131), mild cognitive impairment (n = 285), subjective cognitive impairment (n = 310), and mixed dementia (n = 29) were assessed clinically with neuroimaging, EEG and CSF investigations. EEG phenotypes were based on frequency of background activity (BA) and presence and degree of episodic abnormalities (EA). Results: BA and EA differed significantly (p < 0.001) between diagnostic groups. A lower CSF amyloid β42/phospho-tau ratio and higher total tau were associated with slower BA (p < 0.01) and a higher degree of EA (p < 0.04). Conclusions: Slowing of BA in combination with EA seems to be related to biological markers of neurodegeneration
  • Mangialasche, F, et al. (författare)
  • Serum levels of vitamin E forms and risk of cognitive impairment in a Finnish cohort of older adults
  • 2013
  • Ingår i: Experimental Gerontology. - 0531-5565. ; 48:12, s. 1428-1435
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Vitamin E includes eight natural antioxidant compounds (four tocopherols and four tocotrienols), but a-tocopherol has been the main focus of investigation in studies of cognitive impairment and Alzheimer's disease. Objective: To investigate the association between serum levels of tocopherols and tocotrienols, markers of vitamin E oxidative/nitrosative damage (alpha-tocopherylquinone, 5-nitro-gamma-tocopherol) and incidence of cognitive impairment in a population-based study. Design: A sample of 140 non-cognitively impaired elderly subjects derived from the Cardiovascular Risk Factors, Aging, and Dementia (CAIDE) study was followed-up for 8 years to detect cognitive impairment, defined as development of mild cognitive impairment (MCI) or Alzheimer's dementia. The association between baseline serum vitamin E and cognitive impairment was analyzed with multiple logistic regression after adjusting for several confounders. Results: The risk of cognitive impairment was lower in subjects in the middle tertile of the alpha-tocopherol/cholesterol ratio than in those in the lowest tertile: the multiadjusted odds ratio (OR) with 95% confidence interval (CI) was 0.27 (0.10-0.78). Higher incidence of cognitive impairment was found in the middle [OR (95% CI): 3.41 (1.29-9.06)] and highest [OR (95% CI): 2.89 (1.05-7.97)] tertiles of the 5-NO2-gamma-tocopherol/gamma-tocopherol ratio. Analyses of absolute serum levels of vitamin E showed lower risk of cognitive impairment in subjects with higher levels of gamma-tocopherol, beta-tocotrienol, and total tocotrienols. Conclusions: Elevated levels of tocopherol and tocotrienol forms are associated with reduced risk of cognitive impairment in older adults. The association is modulated by concurrent cholesterol concentration. Various vitamin E forms might play a role in cognitive impairment, and their evaluation can provide a more accurate measure of vitamin E status in humans.
  • Reynolds, Chandra A., et al. (författare)
  • Sortilin receptor 1 predicts longitudinal cognitive change
  • 2013
  • Ingår i: Neurobiology of Aging. - 0197-4580. ; 34:6
  • Tidskriftsartikel (refereegranskat)abstract
    • The gene encoding sortilin receptor 1 (SORL1) has been associated with Alzheimer's disease risk. We examined 15 SORL1 variants and single nucleotide polymorphism (SNP) set risk scores in relation to longitudinal verbal, spatial, memory, and perceptual speed performance, testing for age trends and sex-specific effects. Altogether, 1609 individuals from 3 population-based Swedish twin studies were assessed up to 5 times across 16 years. Controlling for apolipoprotein E genotype (APOE), multiple simple and sex-moderated associations were observed for spatial, episodic memory, and verbal trajectories (p = 1.25E-03 to p = 4.83E-02). Five variants (rs11600875, rs753780, rs7105365, rs11820794, rs2070045) were associated across domains. Notably, in those homozygous for the rs2070045 risk allele, men demonstrated initially favorable performance but accelerating declines, and women showed overall lower performance. SNP set risk scores predicted spatial (Card Rotations, p = 5.92E-03) and episodic memory trajectories (Thurstone Picture Memory, p = 3.34E-02), where higher risk scores benefited men's versus women's performance up to age 75 but with accelerating declines. SORL1 is associated with cognitive aging, and might contribute differentially to change in men and women.
  • Lindblad, Ida, et al. (författare)
  • Adolescents with type 1 diabetes mellitus and attention-deficit/hyperactivity disorder require specific support from healthcare professionals
  • 2017
  • Ingår i: Acta Paediatrica. - 0803-5253 .- 1651-2227. ; 106:12, s. 1994-1997
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: Managing type 1 diabetes mellitus requires efficient cognitive and executive skills, and adolescents who have attention-deficit/hyperactivity disorder (ADHD) may face specific challenges. This study explored young people's experiences of diabetes treatment and care.METHOD: In a population-based study, comprising 175 patients aged 5-16 years with type 1 diabetes mellitus in two Swedish counties, we found that eight also met criteria for ADHD. Six of these, aged 14.5-16 years, participated 2013-2014 in interviews that targeted aspects of their diabetes treatment. Conducted by two psychologists, these used the inductive qualitative, semi-structured interview format.RESULTS: The two boys and four girls all reported difficulties in creating routines for their diabetes treatment and that problems were aggravated during stress. They had been criticised by their parents and the diabetes team when their blood levels indicated inadequate diabetes control. They requested ongoing information, involvement of their friends, group meetings and easy access to the healthcare system during difficult times.CONCLUSION: Patients with type 1 diabetes mellitus and concomitant ADHD faced problems with their diabetes management, especially during stressful situations. Diabetes care provision should pay particular attention to patients with co-existing neuropsychiatric and neurodevelopmental disorders such as ADHD.
  • Stephensen, H, et al. (författare)
  • Objective B wave analysis in 55 patients with non-communicating and communicating hydrocephalus
  • 2005
  • Ingår i: JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY. - 0022-3050. ; 76:7, s. 965-970
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: B waves, slow and rhythmic oscillations in intracranial pressure (ICP), are claimed to be one of the best predictors of outcome after surgery for normal pressure hydrocephalus (NPH).Object: To determine the relation between the percentage of B waves and outcome in patients with hydrocephalus, and also the diurnal variation of B waves.Methods: ICP and patient behaviour were recorded overnight (17 to 26 hours) in 29 patients with non-communicating hydrocephalus and 26 with NPH. The B wave activity, measured with an amplitude threshold of 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, and 5.0 mm Hg, was estimated as the percentage of total monitoring time (% B waves) using a computer algorithm, and correlated with postoperative outcome, defined as changes in 12 standardised symptoms and signs.Results: There was no linear correlation between improvement after surgery in the 55 patients and total % B waves, but a correlation was found between improvement and % B waves during sleep (r = 0.39, p = 0.04). The percentage of B waves was the same during sleep and wakefulness, and patients with NPH had the same proportion of B waves as the non-communicating patients.Conclusions: B waves are commonly observed in patients with both communicating and non-communicating hydrocephalus, but are only weakly related to the degree of postsurgical improvement.
  • Holmqvist, Gärd, 1950-, et al. (författare)
  • Expressions of vitality affects and basic affects during art therapy and their meaning for inner change
  • 2019
  • Ingår i: International Journal of Art Therapy. - Abingdon : Routledge. - 1745-4832. ; 24:1, s. 30-39
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to describe the occurrence of vitality affects and basic affects and to shed light on their importance in terms of patients’ inner change through art therapy. In an earlier study, where 17 women were interviewed about inner change through art therapy, a secondary deductive content analysis of images and statements was performed exploring the presence of vitality affects and basic affects. Nine of the 17 interviews contained clear descriptions of vitality affects and basic affects in the intersubjective communication between the patient and the therapist; these affects were also mirrored in the patients’ painted images. Three cases are used to illustrate the result and how affects are related to inner change. These three cases differ from each other in that they describe vitality affects either; arising from the art therapist’s empathetic verbal or non-verbal response, from a particular experience in nature, or from the interpreted symbolic language of the image. The common denominator identified as uniting the three cases was the intersubjective communication with the therapist. This study indicates that image making in art therapy gives rise to vitality affects and basic affects that contribute to inner change. It also indicates the importance of having trust in both the method and the art therapist. © 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
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