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Differential effects of insulin-like growth factor-I on matrix and DNA synthesis in various regions and types of rabbit tendons

Tendon healing and integration of tendon grafts may be site or donor specific. To determine if differences exist in sensitivity to growth factors that have the potential to influence tendon repair, we compared the effect of recombinant human insulin-like growth factor-1 on various types of tendon segments. The dose response effects on proteoglycan, collagen, noncollagen protein, and DNA synthesis

Salicylamide and salicylglycine oxidovanadium complexes with insulin-mimetic properties.

Reaction of N-(2-hydroxybenzyl)-N-(2-picolyl) glycine (H(2)papy) with VOSO(4) in water gives the oxidovanadium(V) oxido-bridged dimer [{(papy)(VO)}(2) μ-O)] (1). Similarly, reaction of N-(2-hydroxybenzyl) glycine (H(2)glysal) with VOSO(4) gives [(glysal)VO(H(2)O)] (2) and reaction of salicylamide (Hsalam) with VOSO(4) in methanol gives [(salam)(2)VO] (3). The crystal structure of the oxido-bridged

The importance of the second hairpin loop of cystatin C for proteinase binding. Characterization of the interaction of Trp-106 variants of the inhibitor with cysteine proteinases

The single Trp of human cystatin C, Trp-106, is located in the second hairpin loop of the proteinase binding surface. Substitution of this residue by Gly markedly altered the spectroscopic changes accompanying papain binding and reduced the affinity for papain, actinidin, and cathepsins B and H by 300-900-fold. The decrease in affinity indicated that the side chain of Trp-106 contributes a similar

Physical activity, skeletal health and fractures in a long term perspective.

Exercise during adolescence, especially during the pre-pubertal years, builds a skeleton with a high bone mineral density (BMD) and possibly a larger skeleton with a different skeletal architecture. This would lead to a stronger skeleton more resistant to trauma. These changes could be of biological significance for fracture reduction, if they were maintained into old age where fragility fractures

Individual domains of Tensin2 exhibit distinct subcellular localisations and migratory effects.

Tensins are large intracellular proteins believed to link the extracellular matrix to the cytoskeleton via integrins. Tensins are multidomain proteins consisting of homologous C1, PTPase, C2, SH2 and PTB domains. Full-length Tensin proteins can undergo cleavage inside cells, thus yielding domains in isolation that may have discrete subcellular localisations and downstream effects. We expressed dif

The networked life of professional encyclopaedias: quantification, tradition, and trustworthiness

The article aims at making visible new orders of encyclopaedic knowledge by means of an ethnographic study carried out during eight months at the editorial office of the leading commercial encyclopaedia in Sweden, Nationalencyklopedin. The investigation is framed in a socio-technical understanding of how people, technologies and practices relate to each other. Three themes were identified during t

Elevated neutrophil membrane expression of proteinase 3 is dependent upon CD177 expression.

Summary Proteinase 3 (PR3) is a major autoantigen in anti-neutrophil cytoplasmic antibodies (ANCA)-associated systemic vasculitis (AASV), and the proportion of neutrophils expressing PR3 on their membrane (mPR3(+)) is increased in AASV. We have shown recently that mPR3 and CD177 are expressed on the same cells in healthy individuals. In this study we try to elucidate mechanisms behind the increase

Mouse ten-m/Odz is a new family of dimeric type II transmembrane proteins expressed in many tissues

The Drosophila gene ten-m/odz is the only pair rule gene identified to date which is not a transcription factor. In an attempt to analyze the structure and the function of ten-m/odz in mouse, we isolated four murine ten-m cDNAs which code for proteins of 2,700-2, 800 amino acids. All four proteins (Ten-m1-4) lack signal peptides at the NH2 terminus, but contain a short hydrophobic domain character

Disruption of the L chondrite parent body: New oxygen isotope evidence from Ordovician relict chromite grains

Mid-Ordovician fossil meteorites found in the Thorsberg quarry, southern Sweden, are believed to have been deposited during a period of enhanced meteorite flux following the fragmentation of the L chondrite parent body. During diagenesis, the fossil meteorites were largely replaced by a secondary mineral assemblage. However, primary chromite grains have been preserved. High-precision oxygen isotop

IR and EXAFS spectroscopic studies of glyphosate protonation and copper(II) complexes of glyphosate in aqueous solution

The varying degrees of protonation of N-(phosphonomethyl)glycine (PMG, glyphosate) were investigated with infrared JR) spectroscopy and ab initio frequency calculations. The zwitterionic nature of PMG in solution was confirmed, and intramolecular hydrogen bonding was identified. Successive protonation of the PMG molecule follows the order amine, phosphonate, carboxylate. Intramolecular hydrogen bo

Lipase mediated simultaneous esterification and epoxidation of oleic acid for the production of alkylepoxystearates

Epoxy alkylstearates were synthesized by lipase catalysed esterification and perhydrolysis followed by epoxidation of oleic acid in a one-pot process. Immobilized Candida antarctica lipase (Novozym 435) was used as the catalyst. The esterification reaction occurred relatively quickly and was followed by epoxidation of the alkyl ester and the remaining fatty acid. Higher degree of esterification wa

Fermentation of Seeds of Teff (Eragrostis teff), Grass-pea (Lathyrus sativus), and Their Mixtures: Aspects of Nutrition and Food Safety

Fermentation of pure teff (Eragrostis teff), pure grass-pea (Lathyrus sativus), and their mixtures, 9:1 and 8:2 (teff/grass-pea) has been done at two temperatures (room temperature and 35 C) in duplicate using the strains of Lactobacillus plantarum, for bacterial fermentation, and Aspergillus oryzae and Rhizopus oligosporus in succession for solid-state fungal fermentation as inocula. In addition,

Expression and gene copy number analysis of ERBB2 oncogene in prostate cancer

An anti-ERBB2 antibody, trastuzumab, has been shown to be highly efficient in the treatment of metastatic breast cancers overexpressing the ERBB2 gene. It has been suggested that overexpression and even amplification of ERBB2 may play a role in the development of prostate cancer. Here, we have analyzed gene copy number and expression of the ERBB2 gene in both androgen-dependent primary and metasta

Seasonal and spatial variation in fungal biomass in a forest soil

Abstract in UndeterminedSoil fungal biomass, determined by the fluorescein diacetate (FDA) method, was studied during a 3 yr period in three horizons in a mature and a clear-cut pine forest in Sweden with and without slash left on the ground. In the organic soil layer the amount of hyphae showed a similar seasonal periodicity at all three sites, and this periodicity was correlated to the soil mois

Importance of HTML structural elements and metadata in automated subject classification

The aim of the study was to determine how significance indicators assigned to different Web page elements (internal metadata, title, headings, and main text) influence automated classification. The data collection that was used comprised 1000 Web pages in engineering, to which Engineering Information classes had been manually assigned. The significance indicators were derived using several differe

Aromatic nucleophilic substitution in nonionic alkylglucoside micelles

The kinetics and mechanism of the aromatic nucleophilic substitution reaction of 2,4-dinitrochlorobenzene (DNCB) with OH- in nonionic sugar-derived micelles were investigated and compared with those for reaction in polyoxyethylene glycol surfactants. Hydroxyl groups on the sugar headgroups of micellized n-nonyl beta-D-glucopyranoside (C(9)G(1)), n-dodecyl beta-D-maltoside (C(12)G(2)), and n-dodecy

Toward understanding nonparticipation in sigmoidoscopy screening for colorectal cancer

Understanding the reasons for nonparticipation in cancer screening may give clues about how to improve compliance. However, limited cooperation has hampered research on nonparticipant profiles. We took advantage of Sweden's comprehensive demographic and health care registers to investigate characteristics of all participants and nonparticipants in a pilot program for colorectal cancer screening wi

Self-efficacy beliefs in mathematics, native language literacy and foreign language amongst boys and girls with and without mathematic difficulties

The aim was to examine achievement and self-efficacy in mathematics and native and foreign language literacy in children with specific mathematic LD (MD-only), children with comorbid mathematic and reading difficulties (MD-RD), and compare them with Q6 children without LD (controls), as well as to explore gender differences. Participants were 143 fifth-graders in Sweden who completed National Test

Fa-brication and characterization of a molecular adhesive layer for micro- and nanofabricated electrochemical electrodes

In the microelectronics industry, gold electrodes on silicon dioxide are produced using an adhesive layer of chromium or titanium. This method is applicable whenever a dry environment is present. However, when such an electrode is exposed to an electrolyte a galvanic cell is formed and the less noble metal will dissolve and eventually destroy the electrode. We describe here how a monolayer of merc

Mass spectrometric analysis of peptides from an immobilized lipase: focus on oxidative modifications.

Liquid chromatography/tandem mass spectrometry (LC/MS/MS) was used to study the primary structure of immobilized Candida antarctica lipase B (Novozym(R)435) without detaching the enzyme from the carrier. The immobilized enzyme packed in a miniature column was subjected to proteolysis and the peptides released were injected into the mass spectrometer for analysis. The set-up was utilized to determi