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Immunohistochemical study of the soft tissue around long-term skin-penetrating titanium implants

Bone-anchored percutaneous titanium implants have become a well-established clinical procedure with a low incidence of adverse reactions. However, passage through the skin leads to a breach in the barrier to exogenous pathogens. In the present study, monoclonal antibodies were used to investigate the distribution of lymphocyte subpopulations in the soft tissue around such implants. Eight biopsies

Involvement of glypican-1 autoprocessing in scrapie infection

The copper-binding cellular prion protein (PrPC) and the heparan sulphate (HS)-containing proteoglycan glypican-1 (Gpc-1) can both be attached to lipid rafts via their glycosylphosphatidylinositol anchors, and copper ions stimulate their cointernalization from the cell surface to endosomes. The prion protein controls cointernalization and delivers copper necessary for S-nitrosylation of conserved

Uncomplicated Mason type-II and III fractures of the radial head and neck in adults. A long-term follow-up study.

Background: The purpose of this study was to evaluate the incidence and the long-term results of closed uncomplicated Mason type-II and III fractures in a defined population of adults. Methods: Seventy women and thirty men who were a mean of forty-seven years old when they sustained a fracture of the radial head or neck (a Mason type-II fracture in seventy-six patients and a Mason type-III fractu

Moisture effects on temperature sensitivity of CO2 exchange in a subarctic heath ecosystem

Carbon fluxes between natural ecosystems and the atmosphere have received increased attention in recent years due to the impact they have on climate. In order to investigate independently how soil moisture and temperature control carbon fluxes into and out of a dry subarctic dwarf shrub dominated heath, monoliths containing soil and plants were incubated at three different moisture levels and subj

The use and productivity of verb morphology in specific language impairment: an examination of Swedish

In an earlier study, we found that Swedish-speaking children with specific language impairment (SLI) differ from younger normally developing compatriots on only a subset of verb morphemes characteristically problematic for children with this type of disorder. In the present study, this finding was replicated, using a carefully devised set of tasks to elicit attempts at the target morphemes. The ch

Expression of P190 and P210 BCR/ABL1 in normal human CD34(+) cells induces similar gene expression profiles and results in a STAT5-dependent expansion of the erythroid lineage

Objective. The P190 and P210 BCR/ABL1 fusion genes are mainly associated with different types of hematologic malignancies, but it is presently unclear whether they are functionally different following expression in primitive human hematopoietic cells. Materials and Methods. We investigated and systematically compared the effects of retroviral P190 BCR/ABL1 and P210 BCR/ABL1 expression on cell prol

Ultrasound field characterisation in air using light diffraction tomography

The aim of this work was to show the applicability of light diffraction tomography on airborne ultrasound. Different air-coupled transducers in the frequency range 40 kHz - 2 MHz were measured to show the method's performance. A calibrated microphone and the pulse-echo method were used to evaluate the results. The absolute measurements agreed within the calibrated microphone's uncertainty range. P

Factors affecting quality and postharvest properties of vegetables: Integration of water relations and metabolism

Growing of vegetables in the field, harvesting, handling in the packing house and storage are events in the lifetime of vegetables that arc analysed from the point of view of the complex series of physiological transitions taking place in each of these events. Water is the major factor limiting plant metabolism and plants have developed fascinating mechanisms to cope with this limiting factor. The

Photoallergic contact dermatitis from ketoprofen induced by drug-contaminated personal objects

Background: Photoallergic contact dermatitis from ketoprofen has been recognized since the mid-1980s. Skin reactions have been reported to continue weeks after discontinuation of ketoprofen. One reason for this could be residual ketoprofen in the skin, which has been shown in a skin biopsy specimen. Objective: We sought to report on 3 cases of photoallergic contact dermatitis from ketoprofen in to

Optimization of image quality in breast tomosynthesis using lumpectomy and mastectomy specimens

The purpose of this study was to determine how image quality in breast tomosynthesis (BT) is affected when acquisition modes are varied, using human breast specimens containing malignant tumors and/or microcalcifications. Images of thirty-one breast lumpectomy and mastectomy specimens were acquired on a BT prototype based on a Mammomat Novation (Siemens) full-field digital mammography system. BT i

Urogenital symptoms in women aged 50-59 years. Women's Health in Lund Area (WHILSA) Study Group

Problems related to the urogenital tract are common in elderly women. Control of micturition is often impeded and questionnaire-based studies have reported a prevalence of poor control of micturition in about 30% of postmenopausal women. In an ongoing cohort comprising women born between 1935 and 1945, an interim analysis was performed in 1800 women based on an interview and questionnaire. The pre

Longitudinal epitope analysis of insulin-binding antibodies in type 1 diabetes

Autoantibodies to insulin (IAA) are one of the first markers of the autoimmune process leading to type 1 diabetes (T1D). While other autoantibodies in T1D have been studied extensively, relatively little is known about IAA and their binding specificities, especially after insulin treatment is initiated. We hypothesize that insulin antibodies (IA) that develop upon initiation of insulin treatment d

A comparison between one first generation and three second generation anti-HCV ELISAs: an investigation in high- and low-risk subjects in correlation with recombinant immunoblot assay and polymerase chain reaction

One first generation assay (manufactured by Ortho, test I) and 3 second generation anti-HCV ELISAs (manufactured by Ortho, Abbott, and UBI, tests II-IV) were compared. Sera from 4 different sources were used: (1) intravenous drug-users (IVDUs, n = 50), (2) blood donors (n = 1055), (3) all clinical samples from one day of routine anti-HCV testing (n = 89), (4) hemodialysis patients previously found

Development, validation and characterization of an analytical method for the quantification of hydrolysable urinary metabolites and plasma protein adducts of 2,4-and 2,6-toluene diisocyanate, 1,5-naphthalene diisocyanate and 4,4 '-methylenediphenyl diisocyanate

Occupational exposure to diisocyanates within the plastic industry causes irritation and disorders in the airway. The aim of this study was to develop, validate and characterize a method for the determination of 2,4-toluenediamine (2,4-TDA), 2,6-toluenediamine (2,6-TDA), 1,5-diaminonaphthalene (1,5-NDA) and 4,4'-methylenedianiline (4,4'-MDA) in hydrolysed urine and plasma, and to study the correla

Allergic contact dermatitis from dicyclohexylmethane-4,4 '-diisocyanate

From August 1999 to April 2001, there was an outbreak of severe eczema at a factory manufacturing medical equipment. A glue, mainly based on the isocyanate dicyclohexylmethane-4,4'-diisocyanate (DMDI), was suspected as being the cause of the problem. 16 workers with recent episodes of eczema were patch tested with a standard series, an isocyanate series and work material. The latter consisted of,

Influence of the process on phase separation induced by radical copolymerization of styrene and divinylbenzene in the presence of reactive polyurethane network precursors

Interpenetrating polymer systems based on crosslinked polyurethane (PU) and polystyrene (PS) were prepared at room temperature by a one-shot (in situ) method, starting from an initial homogeneous mixture of reagents via noninterfering mechanisms. Both polymerizations were performed either simultaneously or one after the other. True simultaneity at every stages of the process is not possible. Despi