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Kinetics for interaction of the thione unit in 4-thio-2'-deoxyuridine and 4-thiouridine 5'-monophosphate with rapidly reacting gold(III) complexes

Reactions of 4-thio-2′-deoxyuridine d(s4U) and 4-thiouridine 5′-monophosphate s4UMP with trans-[AuY2Cl2]+/– (Y = CN– or NH3) have been investigated by conventional and high-pressure stopped-flow spectrophotometry in aqueous solution with 2.9 ⩽ pH ⩽ 7.0. For a given combination of metal complex and sulfur donor the observed second-order rate constants decreased with increasing pH. In the pH range 2

Ett litet stycke av Helsingborg : Om flytt och framväxt av stadskvarteren på Fredriksdal

A piece of Helsingborg – about the moving of older buildings from the town and the making of an urban area at the Fredriksdal open-air museum The article tells the different stories of how fifteen houses, which during a period from the late 1930s until the 1960s, were moved from the town centre to the open-air museum at Fredriksdal, a part of the municipality museum. It depicts the struggle betwee

Complement inhibitor CSMD1 acts as tumor suppressor in human breast cancer

Human CUB and Sushi multiple domains 1 (CSMD1) is a membrane-bound complement inhibitor suggested to act as a putative tumor suppressor gene, since allelic loss of this region encompassing 8p23 including CSMD1 characterizes various malignancies. Here, we assessed the role of CSMD1 as a tumor suppressor gene in the development of breast cancer in vitro and in vivo. We found that human breast tumor

Supported employment adapted for people with affective disorders : A randomized controlled trial

Background While effective vocational methods for gaining employment exist for people with schizophrenia and similar conditions, no evidence exists with regard to people with affective disorders. We aimed to study the effectiveness of a newly developed Individual Enabling and Support (IES) model adapted for the target group and compared to traditional vocational rehabilitation (TVR). Methods An as

The Malmo polymorphism of coagulation factor IX, an immunologic polymorphism due to dimorphism of residue 148 that is in linkage disequilibrium with two other F.IX polymorphisms

A mouse monoclonal antibody (MAB 9,9) to coagulation factor IX (F.IX) detects a polymorphism in the plasma of normal people. Its epitope has been narrowed down to <6 amino acids in the activation peptide of the X-linked F.IX protein. The activation peptide contains a dimorphism - Thr:Ala - at position 148 of the protein. Using synthetic oligonucleotides, we have demonstrated that (1) the F.IX whic

Conflict between the Electronic Factors and Structure-Directing Rules in the Intergrowth Structure of Ca4Ag2+xGe4-x with x = 1/2

Combined experimental and theoretical efforts to conceptually understand the structure directing forces in intergrowth structures have led to the discovery of the new ternary phase Ca4Ag2+xGe4-x (x = 0.5), obtained from high-temperature reaction of the elements. It crystallizes in a new structure type according to single-crystal diffraction methods: monoclinic space group C2/m-i10 with a = 10.7516

Changing RANKL/OPG mRNA expression in differentiating murine primary osteoblasts

Osteoblast-osteoclast coordination is critical in the maintenance of skeletal integrity. The modulation of osteoclastogenesis by immature cells of the osteoblastic lineage is mediated through receptor activator of NF kappa B (RANK), its ligand RANKL, and osteoprotegerin (OPG), a natural decoy receptor for RANKL. Here, the expression of OPG and RANKL in primary mouse osteoblastic cultures was inves

Cell-biological studies of osmotic shock response in Streptomyces spp

Most bacteria are likely to face osmotic challenges, but there is yet much to learn about how such environmental changes affect the architecture of bacterial cells. Here, we report a cell-biological study in model organisms of the genus Streptomyces, which are actinobacteria that grow in a highly polarized fashion to form branching hyphae. The characteristic apical growth of Streptomyces hyphae is

Dissolution, adsorption and phase transformation in the fluorapatite-goethite system

An aqueous system containing fluorapatite (Ca-5(PO4)(3)F), (FAP) and varying amounts of goethite (alpha-FeOOH) has been investigated. Batch experiments and attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy were used to monitor the dissolution products of FAP, as well as the adsorption, and phase transformation of phosphate at the goethite surface over a period of 129

Differential expression of chemokine receptors on human IgA plus and IgG plus B cells

Organ-specific lymphocyte homing is dependent on the expression of tissue-specific homing receptors and selected chemokine receptors. During the effector phase of an immune response, IgA and IgG antibody-secreting cells (ASC) are differently distributed in the body. Still, B cell expression of L-selectin and the mucosal homing receptor integrin alpha 4 beta 7 is not related to the isotype produced

Rearrangement of the transcription factor gene CHOP in myxoid liposarcomas with t(12;16)(q13;p11)

Most myxoid liposarcomas (MLS) are characterized cytogenetically by a t(12;16)(q13;p11). It is reasonable to assume that this translocation corresponds to the consistent rearrangement of one or two genes in 12q13 and/or 16p11, and that the loci thus affected are important in the normal control of fat cell differentiation and proliferation. We have used Southern blot technique to test whether a gen

Characterization of the native CREB3L2 transcription factor and the FUS/CREB3L2 chimera

CREB3L2 was first identified as the 3'-partner of FUS in a fusion gene that seems to be specific for low grade fibromyxoid sarcoma. In silico analyses suggest that the predicted CREB3L2 protein is a member of the CREB3 family of transcription factors, with its bZIP domain being highly similar to that in CREB3L1, CREB3L3, CREB3L4, CREB3, and Drosophila Bbf-2. In the present study, the authors asses

Storminess variation during the last 6500 years as reconstructed from an ombrotrophic peat bog in Halland, southwest Sweden

Cores taken from an ombrotrophic peat bog in the coastal zone of Halland, southwest Sweden, were examined for wind transported mineral grains, pollen and humidity indicators. The core covers the period from 6500 cal. yr BP to present. Ombrotrophic conditions existed from ca. 4200 cal. yr BP onwards. Bog surface wetness fluctuated strongly until ca. 3700 cal. yr BP, with an apparent dominance of dr

Pancreatic Trypsin Cleaves Intestinal Alkaline Sphingomyelinase from Mucosa and Enhances the sphingomyelinase Activity.

Sphingomyelin (SM) hydrolysis in the gut has implications in colonic tumorigenesis and cholesterol absorption. It is triggered by intestinal alkaline sphingomyelinase (Alk-SMase) that is present in the intestinal mucosa and content. The mechanism by which the enzyme is released into the lumen is not clear. We studied whether trypsin can dissociate Alk-SMase from the mucosa and affect its activity.

Interacting effects of farming practice and landscape context on bumble bees

Organic farming has been suggested to counteract declines in farmland biodiversity, but comparisons to conventional farming have produced variable outcomes. To examine whether this is due to the landscape context farms are situated in and traits of the studied organisms, we surveyed bumble bees in cereal field borders and margins at 12 pairs of matched organic and conventional farms, with half the

Small-scale spatial pattern of web-building spiders (Araneae) in alfalfa: Relationship to disturbance from cutting, prey availability, and intraguild interactions

Understanding the development of spatial patterns in generalist predators will improve our ability to incorporate them into biological control programs. We studied the small-scale spatial patterns of spider webs in alfalfa by analyzing the relationship between web locations over distances ranging from 4 to 66 cm. Using a coordinate-based spatial statistic (O-ring) and assuming a heterogeneous dist

Cathelicidin LL-37 in Severe Streptococcus pyogenes Soft Tissue Infections in Humans

Severe soft tissue infections, such as necrotizing fasciitis and severe cellulitis, caused by group A streptococcus (GAS) are rapidly progressing life-threatening infections characterized by massive bacterial load in the tissue even late after onset of infection. Antimicrobial peptides are important components of the innate host defence and cathelicidins have been shown to protect against murine n