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Sökning: WFRF:(Lind Karin 1952) > Göteborgs universitet

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2.
  • Hultenheim Klintberg, Ingrid, 1959, et al. (författare)
  • Western Ontario Osteoarthritis Shoulder (WOOS) index: a cross-cultural adaptation into Swedish, including evaluation of reliability, validity, and responsiveness in patients with subacromial pain
  • 2012
  • Ingår i: Journal of Shoulder and Elbow Surgery. - : Elsevier BV. - 1058-2746. ; 21:12, s. 1698-1705
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The aim of the present study was to translate the Western Ontario Osteoarthritis Shoulder (WOOS) index into Swedish and to test its validity, reliability, and responsiveness in patients with subacromial pain. Methods: The validity of the WOOS translation was tested in 54 patients who completed the WOOS and the Shoulder Rating Questionnaire, Swedish version (SRQs). Of these patients, 46 were retested to assess reliability. Responsiveness was evaluated in 29 subjects who completed the WOOS and SRQs before surgery and again at 3 months after surgery, when they also rated perceived change in shoulder function. The relationship between the questionnaires and patient-perceived improvement was assessed. Results: A high correlation was found between the Swedish version of WOOS and the SRQs. The correlations were similar in a group of working patients (r = -0.832) and in all patients (r = -0.843; P<.001). A high degree of agreement between WOOS at test and retest was also observed. A Bland-Altman plot showed a small mean difference and no trend across the range of WOOS values. A strong significant agreement was also shown by a kappa value of 0.649 (P<.001) and an intraclass correlation coefficient of 0.95 (95% confidence interval, 0.92-0.97, P<.001) as well as by a low difference between the test and retest means. Responsiveness, calculated by standardized response mean, was excellent (1.02). Conclusion: The results of the present study provide evidence that the Swedish version of WOOS is valid, reliable, and responsive in patients with subacromial pain and performs similarly to the original Canadian version. Level of evidence: Development or Validation of Outcomes Instruments Study. (C) 2012 Journal of Shoulder and Elbow Surgery Board of Trustees.
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3.
  • Belin, Andrea Carmine, et al. (författare)
  • Association study of two genetic variants in mitochondrial transcription factor A (TFAM) in Alzheimer's and Parkinson's disease.
  • 2007
  • Ingår i: Neuroscience letters. - : Elsevier BV. - 0304-3940. ; 420:3, s. 257-62
  • Tidskriftsartikel (refereegranskat)abstract
    • Mitochondrial (mt) dysfunction has been implicated in Alzheimer's (AD) and Parkinson's disease (PD). Mitochondrial transcription factor A (TFAM) is needed for mtDNA maintenance, regulating mtDNA copy number and is absolutely required for transcriptional initiation at mtDNA promoters. Two genetic variants in TFAM have been reported to be associated with AD in a Caucasian case-control material collected from Germany, Switzerland and Italy. One of these variants was reported to show a tendency for association with AD in a pooled Scottish and Swedish case-control material and the other variant was reported to be associated with AD in a recent meta-analysis. We investigated these two genetic variants, rs1937 and rs2306604, in an AD and a PD case-control material, both from Sweden and found significant genotypic as well as allelic association to marker rs2306604 in the AD case-control material (P=0.05 and P=0.03, respectively), where the A-allele appears to increase risk for developing AD. No association was observed for marker rs1937. We did not find any association in the PD case-control material for either of the two markers. The distribution of the two-locus haplotype frequencies (based on rs1937 and rs2306604) did not differ significantly between affected individuals and controls in the two sample sets. However, the global P-value for haplotypic association testing indicated borderline association in the AD sample set. Our data suggests that the rs2306604 A-allele could be a moderate risk factor for AD, which is supported by the recent meta-analysis.
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4.
  • Bjerke, Maria, 1977, et al. (författare)
  • Subcortical vascular dementia biomarker pattern in mild cognitive impairment.
  • 2009
  • Ingår i: Dementia and geriatric cognitive disorders. - : S. Karger AG. - 1421-9824 .- 1420-8008. ; 28:4, s. 348-56
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Mild cognitive impairment (MCI) is an etiologically unclear disorder. Cerebrospinal fluid (CSF) biomarkers are potentially useful for the differentiation between various MCI etiologies. AIM: The aim of the study was to assess whether baseline CSF hyperphosphorylated tau (P-tau), total tau (T-tau), amyloid beta 1-42 (Abeta(42)) and neurofilament light (NF-L) in patients with MCI could predict subcortical vascular dementia (SVD) and Alzheimer's disease (AD) at follow-up. METHODS: Biomarker levels were assessed by Luminex xMAP technology and ELISA. RESULTS: Increased baseline concentrations of NF-L significantly separated MCI-SVD from stable MCI. The MCI-SVD patients were inseparable from stable MCI but separable from patients developing AD (MCI-AD) on the basis of Abeta(42,) T-tau and P-tau(181) levels. CONCLUSION: A combination of the biomarkers Abeta(42), T-tau, P-tau(181) and NF-L has the potential to improve the clinical separation of MCI-SVD patients from stable MCI and MCI-AD patients.
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5.
  • Bylander, Anna, 1979, et al. (författare)
  • The classical progesterone receptor mediates the rapid reduction of fallopian tube ciliary beat frequency by progesterone.
  • 2013
  • Ingår i: Reproductive biology and endocrinology : RB&E. - : Springer Science and Business Media LLC. - 1477-7827. ; 11:1
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The transport of gametes as well as the zygote is facilitated by motile cilia lining the inside of the fallopian tube. Progesterone reduces the ciliary beat frequency within 30 minutes in both cows and mice. This rapid reduction suggest the involvement of a non-genomic signaling mechanism, although it is not known which receptors that are involved. Here we investigated the possible involvement of the classical progesterone receptor in this process. METHOD: The ciliary beat frequency of mice fallopian tube was measured ex vivo using an inverted bright field microscope and a high speed camera. The effects of the agonists progesterone and promegestone and an antagonist, mifeprestone, were investigated in wildtype mice. The effect of progesterone was also investigated in mice lacking the classical progesterone receptor. RESULTS: Progesterone, as well as the more specific PR agonist promegestone, significantly reduced the CBF at concentrations of 10--100 nanomolar within 10--30 minutes. In the absence of progesterone, the PR antagonist mifeprestone had no effect on the ciliary beat frequency at a concentration of 1 micromolar. When ciliated cells were pre-incubated with 1 micromolar mifeprestone, addition of progesterone did not reduce the ciliary beat frequency. Accordingly, in ciliated cells from mice not expressing the classical progesterone receptor, exposure to 100 nanomolar progesterone did not reduce the ciliary beat frequency. CONCLUSIONS: This is the first study to provide comprehensive evidence that the classical progesterone receptor mediates the rapid reduction of the tubal ciliary beat frequency by progesterone.
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6.
  • Jonsson, Michael, 1955, et al. (författare)
  • Apathy is a prominent neuropsychiatric feature of radiological white-matter changes in patients with dementia.
  • 2010
  • Ingår i: International journal of geriatric psychiatry. - : Wiley. - 1099-1166 .- 0885-6230. ; 25:6, s. 588-95
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Cerebral white-matter changes (WMCs) are frequently found in dementia and have been proposed to be related to vascular factors and a certain symptomatological profile. However, few studies have included both vascular factors and a broad spectrum of cognitive, neurological and psychiatric symptoms, easily detectable by the physician in the everyday clinical work. The objective was to study the relationships between WMCs on MRI/CT and neuropsychiatric symptoms and vascular factors in patients with cognitive impairment. METHODS: One hundred and seventy-six patients with Alzheimer's disease, vascular dementia, mixed dementia, and mild cognitive impairment were included. All patients underwent a standardized examination including medical history, clinical examinations, laboratory tests and brain imaging (CT or MRI). The identification and severity degree of WMCs was assessed blindly to clinical findings, using a semi-quantitative scale. For statistical analyses, patients were grouped based on absence or presence of WMCs. Significant variables in bivariate analyses were included as predictors in stepwise multiple logistic regression analyses. RESULTS: Bivariate analyses showed significant associations between WMCs and age, gender, blood pressure, hypertension, ischaemic heart disease and TIA/RIND. Furthermore, there were significant associations between WMCs and apathy, mental slowness, disinhibition, gait disturbance and focal neurologic symptoms. The multivariate logistic model revealed apathy, mental slowness and age as the most consistent predicting factors for WMCs, together with MRI as a radiological method for the detection of WMCs. CONCLUSIONS: The findings indicate that WMCs in patients with dementia are associated with a dysexecutive-related behavioural symptom profile, vascular factors related to small and large vessel diseases and age. Copyright (c) 2009 John Wiley & Sons, Ltd.
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7.
  • Jonsson, Michael, 1955, et al. (författare)
  • Cerebrospinal fluid biomarkers of white matter lesions - cross-sectional results from the LADIS study.
  • 2010
  • Ingår i: European journal of neurology. - : Wiley. - 1468-1331 .- 1351-5101. ; 17:3, s. 377-382
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and purpose: White matter lesions (WMLs) caused by small vessel disease are common in elderly people and contribute to cognitive impairment. There are no established biochemical markers for WMLs. We aimed to study the relation between degree of WMLs rated on magnetic resonance imaging of the brain and cerebrospinal fluid (CSF) levels of structural biomarkers associated with Alzheimer's disease (AD) and subcortical vascular dementia. Methods: Fifty-three non-demented elderly individuals with WMLs were subjected to lumbar puncture. Degree of WMLs was rated using the Fazekas scale. Volumetric assessment of WMLs was performed. CSF samples were analyzed for the 40 and 42 amino acid fragments of amyloid beta, alpha- and beta-cleaved soluble amyloid precursor protein, total tau (T-tau), hyperphosphorylated tau (P-tau(181)), neurofilament light protein (NFL), sulfatide and CSF/Serum-albumin ratio. Results: Fifteen subjects had mild, 23 had moderate and 15 had severe degree of WMLs. CSF-NFL levels differed between the groups (P < 0.001) and correlated with the volume of WMLs (r = 0.477, P < 0.001). CSF sulfatide concentration displayed similar changes but less strongly. T-tau, P-tau(181) and the different amyloid markers as well as CSF/S-albumin ratio did not differ significantly between the groups. Conclusions: The association of increased CSF-NFL levels with increasing severity of WMLs in non-demented subjects suggests that NFL is a marker for axonal damage in response to small vessel disease in the brain. This manifestation may be distinct from or earlier than the neurodegenerative process seen in AD, as reflected by the lack of association between WMLs and AD biomarkers.
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8.
  • Jonsson, Michael, 1955, et al. (författare)
  • Low Cerebrospinal Fluid Sulfatide Predicts Progression of White Matter Lesions - The LADIS Study
  • 2012
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 34:1, s. 61-67
  • Tidskriftsartikel (refereegranskat)abstract
    • Background/Aims: Demyelination and axonal degeneration are the hallmarks of established white matter lesions (WML). The neurochemistry of ongoing WML is only partially known. We explored cerebrospinal fluid (CSF) substances as markers of brain tissue damage in relation to progression of WML rated on magnetic resonance imaging. Methods: CSF from elderly individuals with WML was analyzed for amyloid markers, total tau, hyperphosphorylated t, neurofilament protein light subunit, sulfatide and CSF/serum-albumin ratio. After 3 years, a follow-up magnetic resonance imaging was performed. Progression of WML was rated using the Rotterdam Progression Scale (RPS). Results: 37 subjects (age 73.6 +/- 4.6 years) were included. Subjects with more pronounced progression (RPS > 2; n = 15) had lower mean sulfatide concentration at baseline as compared to subjects with no or minimal progression (RPS 0-2; n = 22) according to univariate analyses (p = 0.009). Sulfatide was the only biomarker that predicted the RPS score according to regression analysis, explaining 18.9% of the total variance (r = 0.38, p = 0.015). Conclusion: The correlation of CSF sulfatide levels and RPS scores may reflect a remyelination response to the demyelination process associated with WML. Furthermore, the results strengthen the notion that WML pathology is different from that of Alzheimer's disease.
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10.
  • Lind, Karin, 1952, et al. (författare)
  • Increased saliva cortisol awakening response in patients with mild cognitive impairment
  • 2007
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 24:5, s. 389-395
  • Tidskriftsartikel (refereegranskat)abstract
    • <i>Background:</i> It is unknown whether HPA-axis dysfunction is present in patients with mild cognitive impairment (MCI). The aim of the present study was to investigate whether cortisol levels are elevated among patients with MCI and/or whether the individuals have adequate feedback control of their HPA axis. <i>Material and Methods:</i> 27 patients with MCI and 15 healthy controls were included in the study. Saliva samplings were performed 5 times a day before intake of 0.5 mg dexamethasone, and 5 times a day after intake of dexamethasone, respectively. <i>Results:</i> Significantly higher cortisol levels were found 15 min after awakening among patients with MCI in comparison with the controls, both before and after dexamethasone administration (p < 0.05). Also, the ratio between cortisol at awakening time and 15 min after awakening was lower in the patient group after dexamethasone administration (p < 0.05). There were no significant differences in basal cortisol levels before or after dexamethasone between groups. <i>Conclusion:</i> The results indicate that there is an HPA-axis disturbance, with normal basal cortisol levels and increased awakening response among patients with MCI. The dissociation between basal values and the awakening response may be of pathophysiological importance for the cognitive impairment.
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