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- Davidov, Eugene, et al.
(författare)
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Methods for the differential integrative omic analysis of plasma from a transgenic disease animal model
- 2004
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Ingår i: Omics. - : Mary Ann Liebert. - 1536-2310 .- 1557-8100. ; 8:4, s. 267-288
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Tidskriftsartikel (refereegranskat)abstract
- Multitiered quantitative analysis of biological systems is rapidly becoming the desired approach to study hierarchical functional interactions between proteins and metabolites. We describe here a novel systematic approach to analyze organisms with complex metabolic regulatory networks. By using precise analytical methods to measure biochemical constituents and their relative abundance in whole plasma of transgenic ApoE*3-Leiden mice and an isogenic wild-type control group, simultaneous snapshots of metabolic and protein states were obtained. Novel data processing and multivariate analysis tools such as Impurity Resolution Software (IMPRESS) and Windows-based linear fit program (WINLIN) were used to compare protein and metabolic profiles in parallel. Canonical correlations of the resulting data show quantitative relationships between heterogeneous components in the TG animals. These results, obtained solely from whole plasma analysis allowed us, in a rapid manner, to corroborate previous findings as well as find new events pertaining to dominant and peripheral events in lipoprotein metabolism of a genetically modified mammalian organism in relation to ApoE3, a key mediator of lipoprotein metabolism.
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- Friman, Margareta, et al.
(författare)
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An analysis of international business-to-business relationships based on the commitment-trust theory
- 2002
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Ingår i: Industrial Marketing Management, 31, 403-409.
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Tidskriftsartikel (refereegranskat)abstract
- Business-to-business relationships are characterized by an exchange between two or more parties. Research has identified several factors that enhance marketing and management in business relationships, mainly with a focus on large manufacturing firms. However, less is known about how service firms develop and maintain international relations during the establishment of a business. To analyze the relevance of the key mediating variable model (Morgan and Hunt 1994) which maintains that business-to-business relationship requires commitment and trust, interviews were conducted with five different service entrepreneurs in Sweden, Australia, and the UK. The findings demonstrate the importance of commitment, trust, relation termination costs and benefits, shared values, and communication between the exchange partners.
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- Johnston, L. B., et al.
(författare)
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Association between insulin-like growth factor I (IGF-I) polymorphisms, circulating IGF-I, and pre- and postnatal growth in two European small for gestational age populations
- 2003
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Ingår i: J Clin Endocrinol Metab. ; 88:10, s. 4805-10
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of this study was to assess the association of IGF-I and birth size by studying small for gestational age (SGA) subphenotypes and undertaking more detailed analysis of IGF-I genetic markers. SGA subjects from Haguenau, France (n = 113), and Gothenburg, Sweden (n = 174), were studied. The Swedish subjects were subphenotyped according to postnatal growth (114 short SGA and 60 SGA catch-up). IGF-I dinucleotide repeat and single nucleotide polymorphism (SNP) markers were studied, and haplotypes were generated in the Swedish short SGA group by identity of state. Association analysis was undertaken using the Monte Carlo method of association analysis of multiallelic markers for dinucleotide repeat markers, by exact chi(2) analysis for SNPs and by ANOVA for serum IGF-I levels. IGF-I genotype was associated with the SGA phenotype, in particular with symmetrical SGA and low birth weight, and with IGF-I levels in SGA subjects. Association with postnatal growth was different in the two populations, which may reflect the power of the smaller subphenotype groups. Haplotype analysis in the Swedish short SGA subjects showed that the region of association lay between the promoter and intron 2 of the IGF-I gene. These studies validate the association of the IGF-I gene with birth size and refine the region of association in Swedish short SGA subjects.
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