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Träfflista för sökning "WFRF:(Sjögren Ingegerd) "

Sökning: WFRF:(Sjögren Ingegerd)

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1.
  • Dai, Min, et al. (författare)
  • Tumor Regression and Cure Depends on Sustained Th1 Responses
  • 2018
  • Ingår i: Journal of Immunotherapy. - 1524-9557. ; 41:8, s. 369-378
  • Tidskriftsartikel (refereegranskat)abstract
    • While immunomodulatory monoclonal antibodies (mAbs) have therapeutic efficacy against many tumors, few patients are cured. Attempting to improve their therapeutic efficacy we have applied the TC1 mouse lung carcinoma model and injected established subcutaneous tumors intratumorally with 3 weekly doses of various combinations of mAbs. Combinations of mAbs to CTLA4/PD1/CD137 (the 3 mAb combination) and to CTLA4/PD1/CD137/CD19 (the 4 mAb combination) were most efficacious to induce complete regression of both the injected tumor and an untreated tumor in the same mouse. Tumor cure was consistently associated with shifting a Th2 to a Th1 response in tumor-draining lymph nodes and spleen and it involved epitope specific and long-lived memory T cells as well as M1 macrophages. This shift and accompanying tumor rejection was harder to achieve as the treated tumors increased in size. Relapse of tumors which had initially regressed following treatment with immunomodulatory mAbs was associated with return of a Th2 microenvironment in tumors, tumor-draining lymph nodes and spleens rather than the emergence of immune-resistant tumor cells. While mAbs to CTLA4 plus PD-1 were therapeutically ineffective, combining the 2 of them with intraperitoneal cisplatin, 10 mg/kg, induced long-term complete tumor regression in most mice with small TC1 tumors and the therapeutic efficacy against larger tumors improved by administrating cisplatin together with the 3 or 4 mAb combination.
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2.
  • Nettleton, Jennifer A, et al. (författare)
  • Gene x dietary pattern interactions in obesity : analysis of up to 68 317 adults of European ancestry
  • 2015
  • Ingår i: Human Molecular Genetics. - : Oxford University Press. - 0964-6906 .- 1460-2083. ; 24:16, s. 4728-4738
  • Tidskriftsartikel (refereegranskat)abstract
    • Obesity is highly heritable. Genetic variants showing robust associationswith obesity traits have been identified through genome wide association studies. We investigated whether a composite score representing healthy diet modifies associations of these variants with obesity traits. Totally, 32 body mass index (BMI)- and 14 waist-hip ratio (WHR)-associated single nucleotide polymorphismswere genotyped, and genetic risk scores (GRS) were calculated in 18 cohorts of European ancestry (n = 68 317). Diet score was calculated based on self-reported intakes of whole grains, fish, fruits, vegetables, nuts/seeds (favorable) and red/processed meats, sweets, sugar-sweetened beverages and fried potatoes (unfavorable). Multivariable adjusted, linear regression within each cohort followed by inverse variance-weighted, fixed-effects meta-analysis was used to characterize: (a) associations of each GRS with BMI and BMI-adjustedWHR and (b) diet score modification of genetic associations with BMI and BMI-adjusted WHR. Nominally significant interactions (P = 0.006-0.04) were observed between the diet score and WHR-GRS (but not BMI-GRS), two WHR loci (GRB14 rs10195252; LYPLAL1 rs4846567) and two BMI loci (LRRN6C rs10968576; MTIF3 rs4771122), for the respective BMI-adjustedWHR or BMI outcomes. Although the magnitudes of these select interactions were small, our data indicated that associations between genetic predisposition and obesity traits were stronger with a healthier diet. Our findings generate interesting hypotheses; however, experimental and functional studies are needed to determine their clinical relevance.
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4.
  • Nettleton, Jennifer A., et al. (författare)
  • Meta-Analysis Investigating Associations Between Healthy Diet and Fasting Glucose and Insulin Levels and Modification by Loci Associated With Glucose Homeostasis in Data From 15 Cohorts
  • 2013
  • Ingår i: American Journal of Epidemiology. - : Oxford University Press (OUP). - 0002-9262 .- 1476-6256. ; 177:2, s. 103-115
  • Forskningsöversikt (refereegranskat)abstract
    • Whether loci that influence fasting glucose (FG) and fasting insulin (FI) levels, as identified by genome-wide association studies, modify associations of diet with FG or FI is unknown. We utilized data from 15 US and European cohort studies comprising 51,289 persons without diabetes to test whether genotype and diet interact to influence FG or FI concentration. We constructed a diet score using study-specific quartile rankings for intakes of whole grains, fish, fruits, vegetables, and nuts/seeds (favorable) and red/processed meats, sweets, sugared beverages, and fried potatoes (unfavorable). We used linear regression within studies, followed by inverse-variance-weighted meta-analysis, to quantify 1) associations of diet score with FG and FI levels and 2) interactions of diet score with 16 FG-associated loci and 2 FI-associated loci. Diet score (per unit increase) was inversely associated with FG ( 0.004 mmol/L, 95 confidence interval: 0.005, 0.003) and FI ( 0.008 ln-pmol/L, 95 confidence interval: 0.009, 0.007) levels after adjustment for demographic factors, lifestyle, and body mass index. Genotype variation at the studied loci did not modify these associations. Healthier diets were associated with lower FG and FI concentrations regardless of genotype at previously replicated FG- and FI-associated loci. Studies focusing on genomic regions that do not yield highly statistically significant associations from main-effect genome-wide association studies may be more fruitful in identifying diet-gene interactions.
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5.
  • Olander, Ewy, et al. (författare)
  • Hälsovägledning i barnhälsovården. Erfarenheter från sju års forsknings- och utvecklingsarbete.
  • 2006
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Between 1997 -2005 a research and developing work has been carried out in collaboration between Child Health Services, Lyckeby Primary Health Area , County Council of Blekinge and a researcher at School of Health, Blekinge Institute of Technology with purpose to develop health counselling in Child Health Services and to study this process. Corner stones for the collaboration and developing process were a participatory approach, a Health Action process and improvement work evolving from practice. The present report describe the evaluation of improvement for seven years, two initial years as a project and five years in ordinary activity, the impact on health counselling and, strains and obstacles for maintaining. The evaluation suggests that the overall aim for the improvement has been achieved. The studies shows that health counselling is a multi-faced work and therefore actions and improvements can not only focus on the health counselling in the consultations. Several factors interact and influence on the routines for child health services, collaboration and health counselling. The process evaluation showed that the participatory action approach made that the district nurses felt that they “urge on together” to improve the health counselling and reach the goal, although the extra developing work took time. The health action working process and the group meetings developed the request of reflection and discussion. By active participating in the project the district nurses developed awareness, knowledge, skills and methods for action and changing and prerequisites for maintaining and application in the organisation increase. The “outsider” (researcher) is important as a reflection and analysis partner. The improving and changing process needs and takes time, for being emerged and not forced, sustainable and not a dayfly.
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6.
  • Warensjö, Eva, et al. (författare)
  • Biomarkers of milk fat and the risk of myocardial infarction in men and women : a prospective, matched case-control study
  • 2010
  • Ingår i: American Journal of Clinical Nutrition. - : Elsevier BV. - 0002-9165 .- 1938-3207. ; 92:1, s. 194-202
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: High intakes of saturated fat have been associated with cardiovascular disease, and milk fat is rich in saturated fat. Objective: The objective of this study was to investigate the association between the serum milk fat biomarkers pentadecanoic acid (15:0), heptadecanoic acid (17:0), and their sum (15:0+17:0) and a first myocardial infarction (MI). Design: The study design was a prospective case-control study nested within a large population- based cohort in Sweden. Included in the study were 444 cases (307 men) and 556 controls (308 men) matched on sex, age, date of examination, and geographic region. Clinical, anthropometric, biomarker fatty acid, physical activity, and dietary data were collected. The odds of a first MI were investigated by using conditional logistic regression. Results: In women, proportions of milk fat biomarkers in plasma phospholipids were significantly higher (P < 0.05) in controls than in cases and were, in general, negatively, albeit weakly, correlated with risk factors for metabolic syndrome. The crude standardized odds ratios of becoming an MI case were 0.74 (95% CI: 0.58, 0.94) in women and 0.91 (95% CI: 0.77, 1.1) in men. After multivariable adjustment for confounders, the inverse association remained in both sexes and was significant in women. In agreement with biomarker data, quartiles of reported intake of cheese (men and women) and fermented milk products (men) were inversely related to a first MI (P for trend < 0.05 for all). Conclusions: Milk fat biomarkers were associated with a lower risk of developing a first MI, especially in women. This was partly confirmed in analysis of fermented milk and cheese intake. Components of metabolic syndrome were observed as potential intermediates for the risk relations. Am J Clin Nutr 2010; 92:194-202.
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