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Polyamine analogues are presently undergoing clinical evaluation in the treatment of cancer. To better understand under what circumstances treatment with a polyamine analogue will yield beneficial results, we have investigated the effect of N,N-diethylnorspermine (DENSPM) on cell cycle kinetics of the human breast cancer cell lines SK-BR-3, MCF-7, HCC1937, and L56Br-C1. A bromodeoxyuridine-DNA flo

Deterministic lateral displacement (DLD) devices separate micrometer-scale particles in solution based on their size using a laminar microfluidic flow in an array of obstacles. We investigate array geometries with rational row-shift fractions in DLD devices by use of a simple model including both advection and diffusion. Our model predicts multidirectional sorting modes that could be experimentall

We present a theoretical and experimental analysis of non Franck-Condon effects in photoionization to the b 4Σg- state of O2+. Experimentally, by dispersing the synchrotron radiation induced O2+ b 4Σg- - a 4Πu fluorescence we derive the b 4Σg- state vibrational branching ratios in the excitation energy range 21–34 eV. The vibrational branching ratios reveal features in the region 21–28 eV, indicat

Artificial neural networks (ANNs) are nonlinear pattern recognition techniques that can be used as a tool in medical decision making. The objective of this study was to develop an ANN model for predicting survival in patients with pancreatic ductal adenocarcinoma (PDAC).

Reviews the book, 9/11: Mental Health in the Wake of Terrorist Attacks edited by Y. Neria, R. Gross, R. Marshall with E. Susser (Guest editor) (see record 2006-21181-000). This voluminous book may parallel, to an extent, the response by the mental health community to the 9/11 terrorist attacks: some parts of it are excellent, others not so, and there is a great amount of redundancy, self-congratul

OBJECTIVE: To investigate the possible role of FCGR2A 519A>G and FCGR3A 559A>C functional polymorphisms in the genetic predisposition to susceptibility to systemic sclerosis (SSc) or clinical phenotype. METHODS: A total of 1566 patients with SSc and 2271 geographically matched controls were included in our study. We analyzed the genotype and allele frequencies of the FCGR2A 519A>G and FCGR3A 559A>

BACKGROUND: After surgery for oesophageal or gastric cancer, patients suffer from a variety of problems that affect their physical and mental health. Most previous studies on quality of life after this type of surgery are based on quantitative methods, and no studies to date have focused on the patient's subjective experiences of their quality of life from a long-term perspective. OBJECTIVE: To il

PURPOSE: This randomized, open-label, parallel-group, multicenter study was designed to compare the efficacy and safety of bendamustine and chlorambucil in previously untreated patients with advanced (Binet stage B or C) chronic lymphocytic leukemia (CLL). PATIENTS AND METHODS: Patients (

An increased risk of malignant melanoma has been observed in men with prostate cancer. To assess potential shared risk factors and confounding factors, we analysed risk of melanoma in men with prostate cancer including information on tumor characteristics and demographics including socioeconomic status. In The Prostate Cancer data Base Sweden, risk of melanoma was assessed in a cohort of men with

Two observations serve as starting points for this paper. First, conventional risk assessment techniques provide sophisticated ways to identify and estimate hazards, but eschew the fact that there is no risk unless something of value is considered to be at stake. Second, what managers consider as being of value follows from how they organize their managerial practice. Based on these observations,

BACKGROUND: Clinical guidelines seldom provide in depth information about the most suitable type and intensity of exercise to obtain optimal benefit in different subgroups of T2D individuals. The aim of this study was to examine the effect of group exercise training on exercise capacity, insulin sensitivity and HbA1c in women with diabetes. METHODS: Twenty-two women with T2D participated in a supe

Haptic interface technology has the potential of becoming an important component of access systems for people who are blind or visually disabled. The purpose of this study was to learn more about how a haptic interface, in this case the Phantom from SensAble Technologies, can be used to give blind persons access to 2D graphics and similar computer-based graphics. User tests were carried out with 2

BACKGROUND: Clinical stroke trials with stem cell-based approaches aiming for trophic actions, modulation of inflammation and neuroprotection are ongoing. However, experimental studies also suggest that neuronal replacement by grafted neural stem cells (NSCs) and possibly by endogenous NSCs from the subventricular zone (SVZ) may restore function in the stroke-damaged striatum. To evaluate the pote

Mutations in the BRCA1 and BRCA2 genes significantly contribute to hereditary breast cancer and ovarian cancer, but the phenotypic effect from different mutations is insufficiently recognized. We used a western Danish clinic-based cohort of 299 BRCA families to study the female cancer risk in mutation carriers and their untested first-degree relatives. Founder mutations were characterized and the

The programmability of modern graphics processing units (GPUs) provide great flexibility for creating a wide range of advanced effects for interactive graphics. Developing such effects requires writing not only shader code to be executed by the GPU but also supporting code in the application where the effect is to be used. This support code creates dependencies between effects and the applications

During the last century, mankind has introduced electricity and during the very last decades, the microwaves of the modern communication society have spread a totally new entity--the radiofrequency fields--around the world. How does this affect biology on Earth? The mammalian brain is protected by the blood-brain barrier, which prevents harmful substances from reaching the brain tissue. There is e

Over the last few decades, extensive studies by several groups have introduced the concept of cell-derived secreted extracellular membrane vesicles as carriers of complex molecular information. Owing to their pleiotropic biological effects and involvement in a wide variety of biological processes, extracellular membrane vesicles have been implicated in physiological as well as pathological events,

Comment on: Pfisterer U, et al. Proc Natl Sci USA 2011; 108:10343-8.