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BRCA1-mediated repression of select X chromosome genes

Recently BRCA1 has been implicated in the regulation of gene expression from the X chromosome. In this study the influence of BRCA1 on expression of X chromosome genes was investigated. Complementary DNA microarrays were used to compare the expression levels of X chromosome genes in 18 BRCA1-associated ovarian cancers to those of the 13 "BRCA1-like" and 14 "BRCA2-like" sporadic tumors (as defined

High-order tunable sum and difference frequency mixing in the xuv region

We present a study of tunable high-order sum and difference frequency mixing in the 7-70 eV range, in xenon, argon and neon. We mix the light from a terawatt, subpicosecond titanium-sapphire laser and that from a tunable optical parametric generator. The radiation generated through mixing processes involves absorption or emission of one or Mo photons from the weak tunable source. The relative stre

The FOXO3A rs2802292 G-Allele Associates with Improved Peripheral and Hepatic Insulin Sensitivity and Increased Skeletal Muscle-FOXO3A mRNA Expression in Twins.

Objective: The minor G allele of FOXO3A rs2802292 has been associated with longevity. We aimed to investigate whether a phenotype related to healthy metabolic aging could be identified in individuals carrying the longevity-associated FOXO3A rs2802292 G allele. Research Design and Methods: rs2802292 was genotyped in a phenotypically well-characterized population of young and elderly twins (n = 190)

Old genes and new genes: The evolution of the kallikrein locus.

The human kallikrein locus consists of KLK1, the gene of major tissue kallikrein, and 14 genes of kallikrein-related peptidases (KLKs) located in tandem on chromosome 19q13.3-13.4. In this review, based on information retrieved from the literature or extracted from genome databases, it is hypothesised that the kallikrein locus is unique to mammals. The majority of genes are highly conserved, as de

Improvement of the AMS-technique and applications to 3H and 59Ni Measurements

Popular Abstract in Swedish Utveckling av AMS-tekniken och tillämpningar på 3H och 59Ni mätningar Traditionellt mäter man radioaktivitet genom att registrera den utsända strålningen från sönderfallande kärnor. Denna sönderfallsmätning fungerar oftast bra så länge halveringstiden (den tid det tar för hälften av kärnorna att sönderfalla) är kort nog samt då man har tillräckligt mycket material. MetAccelerator mass spectrometry (AMS) is a highly sensitive technique for counting atoms. Its main advantage in comparison with radiometric methods is the smaller amount of sample required (by a factor of a thousand). The method has a high efficiency and requires only some ten mg of sample material. The radioisotope 59Ni is of great importance in nuclear waste management in the nuclear industry. Thi

Municipal Solid Waste Landfills in Jordan - Current Conditions and Prospective Future

Jordan has seen a large increase in population during the past five decades as a result of high population growth rate and forced migrations. Economical and cultural development has improved the standard of living and changed consumer habits in the community, resulting in an increase in the volume of Municipal solid waste (MSW) with time. World Bank visibility study (2004) showed that the rate of

Development and evaluation of a pharmacokinetic model for prediction of radioimmunotherapy based on pretherapy data.

The aim of this work was to develop a pharmacokinetic model for the analysis of the pharmacokinetics of (111)Inlabeled monoclonal antibodies (mAbs) in B-cell lymphoma patients and to evaluate the model's ability to predict a subsequent radioimmunotherapy by (90)Y-labeled mAbs. Data from quantified scintillation camera images and blood samples were used to fit a compartment model. The modeling incl

PATIENT DOSES IN COMPUTED TOMOGRAPHY EXAMINATIONS IN TWO REGIONS OF THE RUSSIAN FEDERATION.

Computed tomography (CT) is often a justified diagnostic tool, but is also associated with high exposure of the patients. Due to the rapid increase in the number of CT units and thus the availability of CT examinations in Russia, there is a growing need for optimisation within this field. In order to develop proper optimisation procedures for CT, the two regions St. Petersburg and Belgorod of Russ

Adverse events and their relation to mortality in out-of-hospital cardiac arrest patients treated with therapeutic hypothermia.

OBJECTIVES:: To investigate the association between adverse events recorded during critical care and mortality in out-of-hospital cardiac arrest patients treated with therapeutic hypothermia. DESIGN:: Prospective, observational, registry-based study. SETTING:: Twenty-two hospitals in Europe and the United States. PATIENTS:: Between October 2004 and October 2008, 765 patients were included. INTERVE

Retrospective dosimetry using OSL of tooth enamel and dental repair materials irradiated under wet and dry conditions.

Following a radiological or nuclear emergency event, there is a need for quick and reliable dose estimations of potentially exposed people. In situations where dosimeters are not readily available, the dose estimations must be carried out using alternative methods. In the present study, the optically stimulated luminescence (OSL) properties of tooth enamel and different dental repair materials hav