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- Wanrooij, Sjoerd, et al.
(författare)
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In vivo mutagenesis reveals that OriL is essential for mitochondrial DNA replication.
- 2012
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Ingår i: EMBO reports. - : EMBO. - 1469-3178 .- 1469-221X. ; 13:12, s. 1130-7
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Tidskriftsartikel (refereegranskat)abstract
- The mechanisms of mitochondrial DNA replication have been hotly debated for a decade. The strand-displacement model states that lagging-strand DNA synthesis is initiated from the origin of light-strand DNA replication (OriL), whereas the strand-coupled model implies that OriL is dispensable. Mammalian mitochondria cannot be transfected and the requirements of OriL in vivo have therefore not been addressed. We here use in vivo saturation mutagenesis to demonstrate that OriL is essential for mtDNA maintenance in the mouse. Biochemical and bioinformatic analyses show that OriL is functionally conserved in vertebrates. Our findings strongly support the strand-displacement model for mtDNA replication.
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- Möller, Torgil, et al.
(författare)
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Interactive training for the management of breast cancer in general practice in Europe
- 2002
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Ingår i: Journal of Cancer Education. - 1543-0154. ; 17:1, s. 19-23
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Tidskriftsartikel (refereegranskat)abstract
- Background. General practitioners need to play a more active role in the management of patients with breast cancer, specifically in screening programs, counseling, follow-up, palliative care, and psychosocial support. Special training is needed to meet these demands, Methods. An interactive training program resident on CD-ROM was developed. It includes nine cases designed according to the case method and three cases created for group discussions. The program also contains a self-test and an encyclopedia with facts and figures about breast cancer. The program was tested by 20 trainers/trainees in each of four participating countries. Results. The formata, content, and usefulness of the program were ranked highly: generally between 4 and 5 on a scale from I (low) to 5 (high), based on 78 evaluation forms. Conclusion. The program seems to be an adequate tool for GP training.
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- Richard, Edo, et al.
(författare)
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Healthy ageing through internet counselling in the elderly (HATICE) : a multinational, randomised controlled trial
- 2019
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Ingår i: The Lancet Digital Health. - 2589-7500. ; 1:8, s. e424-e434
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Tidskriftsartikel (refereegranskat)abstract
- Background Although web-based interventions have been promoted for cardiovascular risk management over the past decade, there is limited evidence for effectiveness of these interventions in people older than 65 years. The healthy ageing through internet counselling in the elderly (HATICE) trial aimed to determine whether a coach-supported internet intervention for self-management can reduce cardiovascular risk in community-dwelling older people.Methods This prospective open-label, blinded endpoint clinical trial among people age 65 years or over at increased risk of cardiovascular disease randomly assigned participants in the Netherlands, Finland, and France to an interactive internet intervention stimulating coach-supported self-management or a control platform. Primary outcome was the difference from baseline to 18 months on a standardised composite score (Z score) of systolic blood pressure, LDL cholesterol, and body-mass index (BMI). Secondary outcomes included individual risk factors and cardiovascular endpoints. This trial is registered with the ISRCTN registry, 48151589, and is closed to accrual.Findings Among 2724 participants, complete primary outcome data were available for 2398 (88%). After 18 months, the primary outcome improved in the intervention group versus the control group (0.09 vs 0.04, respectively; mean difference -0.05, 95% CI -0.08 to -0.01; p=0.008). For individual components of the primary outcome, mean differences (intervention vs control) were systolic blood pressure -1.79 mm Hg versus -0.67 mm Hg (-1.12, -2.51 to 0.27); BMI -0.23 kg/m(2) versus -0.08 kg/m(2) (-0.15, -0.28 to -0.01); and LDL -0.12 mmol/L versus -0.07 mmol/L (-0.05, -0.11 to 0.01). Cardiovascular disease occurred in 30 (2.2%) of 1382 patients in the intervention versus 32 (2.4%) of 1333 patients in the control group (hazard ratio 0.86, 95% CI 0.52 to 1.43).Interpretation Coach-supported self-management of cardiovascular risk factors using an interactive internet intervention is feasible in an older population, and leads to a modest improvement of cardiovascular risk profile. When implemented on a large scale this could potentially reduce the burden of cardiovascular disease.
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