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Prediction of clinical progression after radical prostatectomy in a nationwide population-based cohort

Objective: The aim of this study was to create a model for predicting progression-free survival after radical prostatectomy for localized prostate cancer. Material and methods: The risk of biochemical recurrence (BCR) was modelled in a cohort of 3452 men aged 70 years or younger who were primarily treated with radical prostatectomy after being diagnosed between 2003 and 2006 with localized prostat

Making Predictive Biomarkers Readily Available

Detection of the androgen receptor splice variant 7 in circulating tumor cells and in prostate cancer tissue harbors prognostic and predictive information. The true value of measuring androgen receptor splice variant 7 to predict response to different treatments is still unproven but is currently under evaluation in clinical trials.

Skin mesenchymal niches maintain and protect AML-initiating stem cells

Leukemia cutis or leukemic cell infiltration in skin is one of the common extramedullary manifestations of acute myeloid leukemia (AML) and signifies a poorer prognosis. However, its pathogenesis and maintenance remain understudied. Here, we report massive AML cell infiltration in the skin in a transplantation-induced MLL-AF9 AML mouse model. These AML cells could regenerate AML after transplantat

CRISPR Screens Identify Candidate Therapeutic Targets in Leukemia

Acute myeloid leukemia (AML) is a complex hematological malignancy marked by proliferation of immature myeloid cells with a dismal 5-year survival. A major challenge is the persistence of leukemia stem cells (LSCs) after standard treatment, leading to relapse. This thesis employs in vivo CRISPR/Cas9 screening to investigate critical AML and LSC molecular mechanisms, interrogating the dependancies

Characterization and Separation of Suspension Cells by Isoacoustic Focusing

Enabling techniques for separating target cells, such as subgroups of white blood cells and cancercells from blood and other body fluids, are necessary for lab work facilitation, inline integration withhigh-end bioanalytical instrumentation, and for point-of-care or home testing. The work of this thesisaddresses this need by further studying an equilibrium-based ultrasonic wave-based technology ca

Predicting the formation of different tissue types during Achilles tendon healing using mechanoregulated and oxygen-regulated frameworks

During Achilles tendon healing in rodents, besides the expected tendon tissue, also cartilage-, bone- and fat-like tissue features have been observed during the first twenty weeks of healing. Several studies have hypothesized that mechanical loading may play a key role in the formation of different tissue types during healing. We recently developed a computational mechanobiological framework to pr

The role of primary care in the cancer care continuum : a qualitative study of cancer survivors’ experiences

Objective: To explore how cancer survivors have experienced their contacts with primary care after being diagnosed with cancer, focusing on the integration between cancer specialist and primary care, and participants’ views on what could make primary care services better at catering to the needs of cancer survivors. Design: A qualitative study in which data was collected through semi-structured di

Volume expansion and micro-explosion of combusting iron particles analyzed using magnified holographic imaging

In-situ characterization of combusting iron particles is of great importance for understanding the combustion mechanism. Here, magnified holographic imaging is employed to investigate the transient morphology and dynamics of iron particles during combustion. The volume expansion behavior of combusting particles (mean diameter: 85 μm) is observed in situ. The particle volume increases to eight time

Adverse neonatal outcome and veno-arterial differences in umbilical cord blood pH (ΔpH) at birth : a population-based study of 108,629 newborns

BACKGROUND: Umbilical cord blood gases are routinely used by midwives and obstetricians for quality assurance of birth management and in clinical research. They can form the basis for solving medicolegal issues in the identification of severe intrapartum hypoxia at birth. However, the scientific value of veno-arterial differences in cord blood pH, also known as ΔpH, is largely unknown. By traditio

Subclinical atherosclerosis and risk factors in relation to autonomic indices in the general population

OBJECTIVE: Orthostatic hypotension and resting heart rate (RHR) are associated with cardiovascular disease (CVD). However, it is unknown how these factors relate to subclinical CVD. We examined the relationship between orthostatic blood pressure (BP) response, RHR and cardiovascular risk factors, including coronary artery calcification score (CACS) and arterial stiffness, in the general population

Comparing α-Synuclein Fibrils Formed in the Absence and Presence of a Model Lipid Membrane : A Small and Wide-Angle X-Ray Scattering Study

Amyloid fibrils are associated with a number of different neurodegenerative diseases. Detailed knowledge of the fibril structure will be of importance in the search of therapy and may guide experiments to understand amyloid formation. In this paper we investigate the morphology of α-synuclein amyloid fibrils, associated with Parkinson’s disease, formed under different conditions. In particular, we

Restorative cell and gene therapies for Parkinson's disease

One of the core pathological features of Parkinson's disease (PD) is the loss of the dopaminergic nigrostriatal pathway which lies at the heart of many of the motor features of this condition as well as some of the cognitive problems. The importance of this pathological event is evident through the clinical benefits that are seen when patients with PD are treated with dopaminergic agents, at least

Dietary fatty acids and endometrial cancer risk within the European Prospective Investigation into Cancer and Nutrition

Background: Diet may impact important risk factors for endometrial cancer such as obesity and inflammation. However, evidence on the role of specific dietary factors is limited. We investigated associations between dietary fatty acids and endometrial cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC). Methods: This analysis includes 1,886 incident endometrial ca

Prostate Specific Antigen and Prostate Cancer in Chinese Men Undergoing Initial Prostate Biopsies Compared with Western Cohorts

Purpose We determined the characteristics of Chinese men undergoing initial prostate biopsy and evaluated the relationship between prostate specific antigen levels and prostate cancer/high grade prostate cancer detection in a large Chinese multicenter cohort. Materials and Methods This retrospective study included 13,904 urology outpatients who had undergone biopsy for the indications of prostate

Reproducible porous silicon protein microarrays -chip manufacturing and application to clinical biomarkers

Full 3" wafer scale fabrication of porous silicon chips (pore chip protein arrays -PCPA) is reported. The PCPA is developed for the analysis of protein molecules based on the fluorescence and MALDI-TOF MS detection. The surface porosification process allows the creation of chips with different surface geometries to control the physical properties of the matrix in a highly reproducible way.

Sex matters : predator presence induces sexual dimorphism in a monomorphic prey, from stress genes to morphological defences

Inducible defences allow prey to increase survival chances when predators are present while avoiding unnecessary costs in their absence. Many studies report considerable inter-individual variation in inducible defence expression, yet what underlies this variation is poorly understood. A classic vertebrate example of a predator-induced morphological defence is the increased body depth in crucian ca

Association Between History of Adverse Pregnancy Outcomes and Coronary Artery Disease Assessed by Coronary Computed Tomography Angiography

Importance Adverse pregnancy outcomes are recognized risk enhancers for cardiovascular disease, but the prevalence of subclinical coronary atherosclerosis after these conditions is unknown.Objective To assess associations between history of adverse pregnancy outcomes and coronary artery disease assessed by coronary computed tomography angiography screening.Design, Setting, and Participants Cross-s

A versatile laboratory setup for high resolution X-ray phase contrast tomography and scintillator characterization

BACKGROUND: X-ray micro-tomography (μCT) is a powerful non-destructive 3D imaging method applied in many scientific fields. In combination with propagation-based phase-contrast, the method is suitable for samples with low absorption contrast. Phase contrast tomography has become available in the lab with the ongoing development of micro-focused tube sources, but it requires sensitive and high-reso