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Effects of carvedilol on the metabolic, hemodynamic, and electrocardiographic responses to increased plasma epinephrine in normal subjects

To study the effects of the new vasodilating beta-blocking agent carvedilol on a variety of metabolic, hemodynamic, and ECG parameters of importance for the clinical outcome of acute myocardial infarction (AMI), we infused epinephrine (EPI) in healthy male volunteers on two separate occasions to serum concentrations of the same level reached in AMI. Before the EPI infusions, the volunteers were pr

Reduced cerebrospinal fluid level of thyroxine in patients with Alzheimer's disease

Background: Little is known of the association between thyroid hormones in the central nervous system and Alzheimer's disease (AD). We determined thyroid hormone levels in serum and cerebrospinal fluid (CSF) in a well-defined homogeneous mono-center population. Methods: Fifty-nine consecutive patients under primary evaluation for cognitive impairment were recruited. The participants included patie

Diarrhoea is not the only symptom that needs to be treated in patients with microscopic colitis.

BACKGROUND: Many patients with microscopic colitis (MC) also suffer from symptoms of irritable bowel syndrome (IBS), but the only treatment given is corticosteroids for the diarrhoea. The aim of this study was to examine how social factors, life style factors and drug treatment affect symptoms and well-being in patients suffering from MC. METHODS: Women, over the age of 73years, with biopsy-verifi

High relapse rate of T cell acute lymphoblastic leukemia in adults treated with Hyper-CVAD chemotherapy in Sweden

Background Hyper-CVAD is widely used to treat acute lymphoblastic leukemia (ALL) and aggressive lymphomas. This multicenter, population-based study assessed the efficacy of Hyper-CVAD as first-line therapy in patients with T-cell ALL (T-ALL). Patients and methods Between October 2002 and September 2006, 24 patients were diagnosed with T-ALL in Sweden; 19 were eligible for treatment with the protoc

Cardiac Natriuretic Peptides, Obesity, and Insulin Resistance: Evidence from Two Community-Based Studies.

Background: The natriuretic peptides play an important role in salt homeostasis and blood pressure regulation. It has been suggested that obesity promotes a relative natriuretic peptide deficiency, but this has been a variable finding in prior studies and the cause is unknown. Aim: The aim of this study was to examine the association between obesity and natriuretic peptide levels and evaluate the

APOLIPOPROTEIN M

Apolipoprotein M (apoM) is composed of 188 amino acids and has an apparent molecular weight of 25 kDa. ApoM belongs to the lipocalin protein superfamily, and is found in all major lipoprotein classes, although the majority of apoM is found in high density lipoprotein, HDL. In apoM, the signal peptide is retained in the mature protein. ApoM with a cleavable signal peptide was constructed. In contra

Proteomics and transcriptomics of the BABA-induced resistance response in potato using a novel functional annotation approach

Background: Induced resistance (IR) can be part of a sustainable plant protection strategy against important plant diseases. beta-aminobutyric acid (BABA) can induce resistance in a wide range of plants against several types of pathogens, including potato infected with Phytophthora infestans. However, the molecular mechanisms behind this are unclear and seem to be dependent on the system studied.

Does Low-Molecular-Weight Heparin Influence the Antimyeloma Effects of Thalidomide? A Retrospective Analysis of Data from the GIMEMA, Nordic and Turkish Myeloma Study Groups

Background/Aim: Low-molecular-weight heparin (LMWH) has been shown to prolong survival among patients with solid tumors, but its role among myeloma patients is unknown. Patients: Data from the GIMEMA (Gruppo Italiano Malattie Ematologiche dell'Adulto), Nordic and Turkish myeloma study groups comparing melphalan and prednisolone with (MPT, n: 404) or without thalidomide (MP, n: 393) are analyzed fo

Lifestyle factors and mortality risk in individuals with diabetes mellitus: are the associations different from those in individuals without diabetes?

Aims/hypothesis Thus far, it is unclear whether lifestyle recommendations for people with diabetes should be different from those for the general public. We investigated whether the associations between lifestyle factors and mortality risk differ between individuals with and without diabetes. Methods Within the European Prospective Investigation into Cancer and Nutrition (EPIC), a cohort was forme

Budesonide and formoterol in a single inhaler improves asthma control compared with increasing the dose of corticosteroid in adults with mild-to-moderate asthma

Background: We evaluated the efficacy and safety of low-dose budesonide/formoterol, 80 mug/4.5 mug, bid in a single inhaler (Symbicort Turbuhaler; AstraZeneca; Lund, Sweden) compared with an increased dose of budesonide, 200 mug bid, in adult patients with mild-to-moderate asthma not fully controlled on low doses of inhaled corticosteroid alone. Methods: All patients received budesonide, 100 jig b

Severity of anxiety– but not depression– is associated with oxidative stress in Major Depressive Disorder

Background Oxidative stress is implicated in both depression and anxiety, but it is currently unclear whether this relates to syndromal diagnoses or trans-diagnostic dimensional symptoms. We examined the relationship between oxidative stress and severity of depression and anxiety symptoms in individuals with Major Depressive Disorder (MDD). Methods Plasma oxidative stress markers F2-isoprostanes a

Plasma-free fatty acids, fatty acidebinding protein 4, and mortality in older adults (from the cardiovascular health study)

Plasma-free fatty acids (FFAs) are largely derived from adipose tissue. Elevated levels of FFA and fatty acidebinding protein 4 (FABP4), a key cytoplasmic chaperone of fatty acids, have been associated with adverse cardiovascular outcomes, but limited data are available on the relation of these biomarkers with cardiovascular and total mortality. We studied 4,707 participants with a mean age of 75

Seed dispersal and fine-scale genetic structuring in the asexual Nigritella miniata (Orchidaceae) in the Alps

Orchids have minute, air-filled seeds and are considered as efficient dispersers and colonizers. Yet, empirical studies show that most seeds fall within the nearest metre from the mother plant in orchids, and that individuals standing close to each other are often closely related. A poor contribution to gene dispersal by seeds may be compensated for by more efficient dispersal by pollen, but in auOrchids have minute, air-filled seeds and are considered to be efficient dispersers and colonizers. However, empirical studies show that most seeds fall within a metre of the mother plant in orchids, and that individuals standing close to each other are often closely related. A poor contribution to gene dispersal by seeds may be compensated for by more efficient dispersal by pollen, but in autogam

Association of int2/hst1 coamplification in primary breast cancer with hormone-dependent phenotype and poor prognosis

The human proto-oncogene INT2 (homologous to the mouse INT2 gene, implicated in proviral induced mammary carcinoma) has been mapped to chromosome llql3 and found to share band localisation with, among others, the HST1 proto-oncogene. Both genes are members of the fibroblast growth factor family. In the present study, coamplification (2-15 copies) of the INT2/HST1 genes was found in 27 (9%) of 311

Multicenter reproducibility of quantitative susceptibility mapping in a gadolinium phantom using MEDI+0 automatic zero referencing

Purpose: To determine the reproducibility of quantitative susceptibility mapping at multiple sites on clinical and preclinical scanners (1.5 T, 3 T, 7 T, and 9.4 T) from different vendors (Siemens, GE, Philips, and Bruker) for standardization of multicenter studies. Methods: Seven phantoms distributed from the core site, each containing 5 compartments with gadolinium solutions with fixed concentra

How do fluctuating temperatures alter the cost of development?

Quantifying how variable temperature regimes affect energy expenditure during development is crucial for understanding how future thermal regimes may impact early life survival and population persistence. Developmental cost theory (DCT) suggests that there is an optimal temperature (Topt) that minimises energy expenditure during development (the ‘cost of development‘). Exposure to fluctuating temp

Endoscopic papillectomy for laterally spreading lesions of the papilla : a propensity score-matched analysis

Background Endoscopic papillectomy is a standard treatment for ampullary lesions, which are typically small and confined to the papillary mound. Laterally spreading lesions (LSLs) of the papilla of Vater are a rare ampullary lesion subtype involving extensive duodenal mucosa. Data on endoscopic papillectomy outcomes for LSLs are limited. This study compared endoscopic papillectomy for ampullary LS

The Prognostic Effect of IKZF1 Deletions in ETV6:: RUNX1 and High Hyperdiploid Childhood Acute Lymphoblastic Leukemia

IKZF1 deletions are an established prognostic factor in childhood acute lymphoblastic leukemia (ALL). However, their relevance in patients with good risk genetics, namely ETV6::RUNX1 and high hyperdiploid (HeH), ALL remains unclear. We assessed the prognostic impact of IKZF1 deletions in 939 ETV6::RUNX1 and 968 HeH ALL patients by evaluating data from 16 trials from 9 study groups. Only 3% of ETV6