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- 2019
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Tidskriftsartikel (refereegranskat)
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| 5. |
- Bjorkholm, M., et al.
(författare)
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Treatment-related risk factors for transformation to acute myeloid leukemia and myelodysplastic syndromes in myeloproliferative neoplasms
- 2011
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Ingår i: Journal of Clinical Oncology. - : American Society of Clinical Oncology: JCO. - 0732-183X .- 1527-7755. ; 29:17, s. 2410-2415
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Patients with myeloproliferative neoplasms (MPNs), including polycythemia vera, essential thrombocythemia, and primary myelofibrosis, have a propensity to develop acute myeloid leukemia (AML) and myelodysplastic syndromes (MDSs). Using population-based data from Sweden, we assessed the role of MPN treatment and subsequent AML/MDS risk with special focus on the leukemogenic potential of hydroxyurea (HU). Methods: On the basis of a nationwide MPN cohort (N = 11,039), we conducted a nested case-control study, including 162 patients (153 and nine with subsequent AML and MDS diagnosis, respectively) and 242 matched controls. We obtained clinical and MPN treatment data for all patients. Using logistic regression, we calculated odds ratios (ORs) as measures of AML/MDS risk. Results: Forty-one (25%) of 162 patients with MPNs with AML/MDS development were never exposed to alkylating agents, radioactive phosphorous (P32), or HU. Compared with patients with who were not exposed to HU, the ORs for 1 to 499 g, 500 to 999 g, more than 1,000 g of HU were 1.5 (95% CI, 0.6 to 2.4), 1.4 (95% CI, 0.6 to 3.4), and 1.3 (95% CI, 0.5 to 3.3), respectively, for AML/MDS development (not significant). Patients with MPNs who received P32 greater than 1,000 MBq and alkylators greater than 1 g had a 4.6-fold (95% CI, 2.1 to 9.8; P = .002) and 3.4-fold (95% CI, 1.1 to 10.6; P = .015) increased risk of AML/MDS, respectively. Patients receiving two or more cytoreductive treatments had a 2.9-fold (95% CI, 1.4 to 5.9) increased risk of transformation. Conclusion: The risk of AML/MDS development after MPN diagnosis was significantly associated with high exposures of P32 and alkylators but not with HU treatment. Twenty-five percent of patients with MPNs who developed AML/MDS were not exposed to cytotoxic therapy, supporting a major role for nontreatment-related factors. © 2011 by American Society of Clinical Oncology.
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- Ekstrand, N., et al.
(författare)
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The qualitative modeling and compression of the request sequences in ARQ protocols
- 2001
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Ingår i: ; , s. 494-494
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Konferensbidrag (refereegranskat)abstract
- Compression of the repeat request data in ARQ protocols was studied. Focus was on the problem of compressing the output of the block box (ARQ algorithm) with unknown input signal (error sequence). Towards finding a practical solution, it was found that the main statistical properties of error sequences and xn are more less the same.
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| 7. |
- Gustafsson, I.-B., et al.
(författare)
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Moderate amounts of n-3 fatty acid enriched seafood products are effective in lowering serum triglycerides and blood pressure in healthy subjects
- 1996
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Ingår i: Journal of human nutrition and dietetics (Print). - 0952-3871 .- 1365-277X. ; 9:2, s. 135-145
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Tidskriftsartikel (refereegranskat)abstract
- A double-blind cross-over study was conducted during two 3-week periods. Two series of seafood products were prepared, one containing n-3 fatty acids derived from fish oil triglyceride concentrate and one containing n-6 rich sunflower oil in identical amounts. These products were added to the subjects' ordinary diet. After a wash-out period of at least 4 weeks they switched over to the other diet. Twenty-three subjects with borderline high blood lipids participated, five women and 19 men, with a mean age of 48 ± 9 years. The inclusion of the n-3 enriched seafood products in the diet caused significant reductions of serum triglycerides (25%) and of the systolic blood pressure of 3.7%. An increase in the proportion of long-chain fatty acids in the serum phospholipids after the fish oil period was pronounced. Positive effects were seen on insulin and free fatty acid concentrations with a reduction of 37% of free fatty acids on the fish oil period and of 18.6% of serum insulin concentration. An increase of malondialdehyde concentration in plasma by 21% was seen during the fish oil period. The positive effects on the serum triglyceride and blood pressure are interesting from the viewpoint of public health with regard to the risk of the cardiovascular disease.
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| 10. |
- Suutari, T. J., et al.
(författare)
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IgE cross reactivity between reindeer and bovine milk beta-lactoglobulins in cow's milk allergic patients
- 2006
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Ingår i: J Investig Allergol Clin Immunol. - 1018-9068. ; 16:5, s. 296-302
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Allergic reactions to cow's milk are common in small children. One of the main protein allergens found in cow's milk is beta-lactoglobulin (beta-Lg). Reindeer and bovine milk both contain related beta-Lg proteins, but the allergenicity of reindeer beta-Lg has not previously been studied. The purpose of this study was to analyze the immunological cross-reactivity of IgE antibodies from children with cow's milk allergy to reindeer and bovine beta-Lg. METHODS: Sera from 17 children and a serum pool of 4 patients with elevated cow's milk-specific IgE were investigated. Beta-Lg from bovine and reindeer milk was isolated in native form and an enzyme-linked immunosorbent inhibition assay was developed. Bovine beta-Lg was used as a capturing antigen and the inhibiting effects of reindeer and bovine beta-Lg on the IgE binding were measured. RESULTS: Cross-reactivity patterns of bovine milk beta-Lg specific IgE to reindeer beta-Lg varied among patients. In general, reindeer beta-Lg showed significantly lower inhibition (mean 43%) of IgE binding to the capturing antigen than did bovine beta-Lg (mean 89%). In some patients, even high concentrations of reindeer beta-Lg only partly eliminated the IgE binding to bovine beta-Lg. CONCLUSIONS: The partial cross-reactivity of human anti-bovine IgE with reindeer beta-Lg suggests that it lacks important bovine epitopes and those that are recognized are only weakly bound.
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| 11. |
- Volpati, Diogo, et al.
(författare)
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Monitoring the Intracellular Fate of Molecular Beacons : The Challenge of False Positive Signals
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Ingår i: Advanced NanoBiomed Research. - 2699-9307.
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Tidskriftsartikel (refereegranskat)abstract
- Molecular beacons (MBs) have been used on surfaces for detecting oligonucleotides. Attempts to use them intracellularly for monitoring mRNA content have been made, however, without any clear conclusion regarding the reliability of the method, mainly due to false positive signals. To reach an understanding of the intracellular fate of MBs, a critical question remains: how long after MB delivery and where in the cell does a false positive signal appear? To answer that question, the MB delivery method should allow for a time-stamped synchronized delivery of MBs to multiple cells, resulting in MBs being distributed in the cytosol immediately after delivery. Herein, nanostraws are used to inject MBs targeting insulin (Ins1) mRNA directly in the cytosol of clonal beta-cells, and the evolution of the MB fluorescence in time and space is monitored. The results show an MB translocation to the nucleus, where MBs are degraded or where they open nonspecifically, before the fluorophore alone is expelled back from the nucleus to the cytosol. The signal translocation to the nucleus and back to the cytosol is faster when scrambled MBs are used. The results shed light on the intracellular fate of MBs and highlight the short time scales before false positive signals become predominant.
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| 12. |
- Arias, C, et al.
(författare)
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Diversity in orthopaedics and traumatology: a global perspective
- 2020
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Ingår i: EFORT open reviews. - : Bioscientifica. - 2058-5241 .- 2396-7544. ; 5:10, s. 743-752
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Tidskriftsartikel (refereegranskat)abstract
- Europe represents true diversity, with cultural, linguistic and geopolitical variation spanning a large geographical area. Politics for many of its 750 million inhabitants revolves around the European Union (EU) and its 27 member states. The overarching goal of the EU is to promote peace and the values of the union (inclusion, tolerance, justice, solidarity and non-discrimination).1,2 EFORT was created to connect orthopaedic associations across Europe, fostering relationships between member countries that celebrated diversity and facilitated the exchange of knowledge. Whilst the global landscape changes and politics attempts to interfere in how we live our lives, it is important to remember that a strong organization is a diverse one that evolves over time. Various initiatives exist across the global landscape to support diversity in terms of culture; gender; black, Asian and minority ethnic (BAME) groups; disability groups; lesbian, gay, bisexual, transgender and queer (or questioning) and others (LGBTQ+); and the ‘ageing’ surgeon. This article explores the creation of some of these initiatives and how they have been supported by different orthopaedic organizations. Cite this article: EFORT Open Rev 2020;5:743-752. DOI: 10.1302/2058-5241.5.200022
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| 15. |
- Carneiro, Ana, et al.
(författare)
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Prognostic impact of array-based genomic profiles in esophageal squamous cell cancer
- 2008
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Ingår i: BMC Cancer. - : Springer Science and Business Media LLC. - 1471-2407. ; 8:98
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Tidskriftsartikel (refereegranskat)abstract
- Background: Esophageal squamous cell carcinoma (ESCC) is a genetically complex tumor type and a major cause of cancer related mortality. Although distinct genetic alterations have been linked to ESCC development and prognosis, the genetic alterations have not gained clinical applicability. We applied array-based comparative genomic hybridization (aCGH) to obtain a whole genome copy number profile relevant for identifying deranged pathways and clinically applicable markers. Methods: A 32 k aCGH platform was used for high resolution mapping of copy number changes in 30 stage I-IV ESCC. Potential interdependent alterations and deranged pathways were identified and copy number changes were correlated to stage, differentiation and survival. Results: Copy number alterations affected median 19% of the genome and included recurrent gains of chromosome regions 5p, 7p, 7q, 8q, 10q, 11q, 12p, 14q, 16p, 17p, 19p, 19q, and 20q and losses of 3p, 5q, 8p, 9p and 11q. High-level amplifications were observed in 30 regions and recurrently involved 7p11 (EGFR), 11q13 (MYEOV, CCND1, FGF4, FGF3, PPFIA, FAD, TMEM16A, CTTS and SHANK2) and 11q22 (PDFG). Gain of 7p22.3 predicted nodal metastases and gains of 1p36.32 and 19p13.3 independently predicted poor survival in multivariate analysis. Conclusion: aCGH profiling verified genetic complexity in ESCC and herein identified imbalances of multiple central tumorigenic pathways. Distinct gains correlate with clinicopathological variables and independently predict survival, suggesting clinical applicability of genomic profiling in ESCC.
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| 16. |
- Ehn, Britt-Marie, 1962, et al.
(författare)
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Modification of IgE binding during heat processing of the cow's milk allergen beta-lactoglobulin
- 2004
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Ingår i: J Agric Food Chem. ; 52:5
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Tidskriftsartikel (refereegranskat)abstract
- The effect of heat treatment on the IgE binding ability of beta-lactoglobulin, as pure protein or in whole milk, was studied by inhibition of IgE antibody binding using FEIA-CAP inhibition. A slight but significant decreased IgE binding was seen between unheated and heat-treated beta-lactoglobulin solution at 74 degrees C (IC(50) = 2.03 and 3.59 microg/mL, respectively, p = 0.032). A more pronounced decrease was found at 90 degrees C with an IC(50) of 8.45 microg/mL (p = 0.014). The inhibition of IgE binding of milk after heat treatment at 90 degrees C was also significantly decreased (p = 0.007). However, at all heat treatments, a similar total amount of IgE antibodies could be inhibited at a sufficiently high concentration of beta-lactoglobulin. The inhibiting ability of beta-lactoglobulin was significantly impaired in some fermented acidified milk products such as yogurt as compared to that in nonfermented milk (p < 0.001). There was only a small difference of IgE binding between the native forms of genetic variants A and B.
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| 17. |
- Ehn, B.-M., et al.
(författare)
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Modification of IgE Binding during Heat Processing of the Cow's Milk Allergen ?-Lactoglobulin
- 2004
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Ingår i: Journal of Agricultural and Food Chemistry. - : American Chemical Society (ACS). - 0021-8561 .- 1520-5118. ; 52:5, s. 1398-1403
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Tidskriftsartikel (refereegranskat)abstract
- The effect of heat treatment on the IgE binding ability of ?-lactoglobulin, as pure protein or in whole milk, was studied by inhibition of IgE antibody binding using FEIA-CAP inhibition. A slight but significant decreased IgE binding was seen between unheated and heat-treated ?-lactoglobulin solution at 74 °C (IC50 = 2.03 and 3.59 ?g/mL, respectively, p = 0.032). A more pronounced decrease was found at 90 °C with an IC50 of 8.45 ?g/mL (p = 0.014). The inhibition of IgE binding of milk after heat treatment at 90 °C was also significantly decreased (p = 0.007). However, at all heat treatments, a similar total amount of IgE antibodies could be inhibited at a sufficiently high concentration of ?-lactoglobulin. The inhibiting ability of ?-lactoglobulin was significantly impaired in some fermented acidified milk products such as yogurt as compared to that in nonfermented milk (p < 0.001). There was only a small difference of IgE binding between the native forms of genetic variants A and B.
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| 18. |
- Ehn, Britt-Marie, 1962, et al.
(författare)
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Modification of IgE Binding to beta-Lactoglobulin by Fermentation and Proteolysis of Cow's Milk
- 2005
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Ingår i: J Agric Food Chem. ; 53:9
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Tidskriftsartikel (refereegranskat)abstract
- The effect of fermentation by Lactobacilli and of proteolytic hydrolysis of whole milk on the IgE binding ability of beta-lactoglobulin was studied using an ELISA inhibition assay. Sera from nine adult milk allergic patients were tested. The individual sera showed a similar inhibition pattern in the changes during fermentation and proteolysis. The degradation of beta-lactoglobulin was studied with liquid chromatography. In general, fermentation with Lactobacilli gave little effect on IgE binding, even though chromatography data showed a gradual degradation of beta-lactoglobulin. Proteolysis with trypsin, however, gave extensive degradation of beta-lactoglobulin and strongly decreased IgE binding. In addition, we measured the inhibition pattern of beta-lactoglobulin in various selected commercially available fermented milk products. These showed an IgE binding capacity similar to that of nonfermented high pasteurized milk.
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| 19. |
- Ehn, B.-M., et al.
(författare)
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Modification of IgE binding to beta-lactoglobulin by fermentation and Proteolysis of cow's milk
- 2005
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Ingår i: Journal of Agricultural and Food Chemistry. - : American Chemical Society (ACS). - 0021-8561 .- 1520-5118. ; 53:9, s. 3743-3748
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Tidskriftsartikel (refereegranskat)abstract
- The effect of fermentation by Lactobacilliand of proteolytic hydrolysis of whole milk on the IgE binding ability of ?-lactoglobulin was studied using an ELISA inhibition assay. Sera from nine adult milk allergic patients were tested. The individual sera showed a similar inhibition pattern in the changes during fermentation and proteolysis. The degradation of ?-lactoglobulin was studied with liquid chromatography. In general, fermentation with Lactobacilli gave little effect on IgE binding, even though chromatography data showed a gradual degradation of ?-lactoglobulin. Proteolysis with trypsin, however, gave extensive degradation of ?-lactoglobulin and strongly decreased IgE binding. In addition, we measured the inhibition pattern of ?-lactoglobulin in various selected commercially available fermented milk products. These showed an IgE binding capacity similar to that of nonfermented high pasteurized milk. © 2005 American Chemical Society.
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| 24. |
- Ekstrand, B
(författare)
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Poles and zeros of alpha-beta and alpha-beta-gamma tracking filters
- 2001
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Ingår i: IEE Proceedings - Control Theory and Applications. - 1350-2379 .- 1359-7035. ; 148:5, s. 370-376
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Tidskriftsartikel (refereegranskat)abstract
- Discrete transfer functions for the alpha-beta and alpha-beta-gamma Kalman tracking filters are presented. Filters for the update, as well as the prediction, estimates are considered. Root loci for the poles and zeros are presented, parameterised in the manoeuvring index. Closed-form solutions for the alpha-beta-gamma gains are given as functions of the manoeuvring index.
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