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Background This study examined the relationship between the bacteriological contamination of drinking water from private wells and acute gastrointestinal illness (AGII), using current government standards for safe…
Updated Oct 29, 2026
HealthData.Gov
Background It has been suggested that intrasphincteric injection of botulinum toxin (BTX) may represent an alternative therapy to balloon dilatation in achalasia. The aim of the present study was to test the…
Updated Oct 29, 2026
HealthData.Gov
Background Race is commonly described in epidemiological surveys based on phenotypic characteristics. Training of interviewers to identify race is time-consuming and self identification of race might be difficult to…
Updated Oct 29, 2026
HealthData.Gov
Background Recent work has suggested that the ovarian steroid 17β-estradiol, at physiological concentrations, may exert protective effects in neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease…
Updated Oct 29, 2026
HealthData.Gov
Despite the major advances in medical drug therapy, heart failure remains a syndrome associated with high mortality and morbidity. Biventricular or left ventricular (LV) short atrioventricular (AV) delay pacing is being…
Updated Oct 29, 2026
HealthData.Gov
Objectives: To determine the degree of interinstitutional transfusion practice variation and reasons why red cells are administered in critically ill patients. Study design: Multicentre cohort study combined with a…
Updated Oct 29, 2026
HealthData.Gov
None of the advantages of traditional scientific journals need be sacrificed in order to provide free online access to scientific journal articles. Objections that open access to scientific journal literature requires…
Updated Oct 29, 2026
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Background A number of transcription factors coordinate differentiation by simultaneously regulating gene expression and cell proliferation. CCAAT/enhancer binding protein alpha (C/EBPα) is a basic/leucine zipper…
Updated Oct 29, 2026
HealthData.Gov
Airway hyper-reactivity is a characteristic feature of many inflammatory lung diseases and is defined as an exaggerated degree of airway narrowing. Chemokines and their receptors are involved in several pathological…
Updated Oct 29, 2026
HealthData.Gov
Background Functional antagonism between transforming growth factor beta (TGF-β) and hyaluronidase has been demonstrated. For example, testicular hyaluronidase PH-20 counteracts TGF-β1-mediated growth inhibition of…
Updated Oct 29, 2026
HealthData.Gov
Background Axons within the mature mammalian central nervous system fail to regenerate following injury, usually resulting in long-lasting motor and sensory deficits. Studies involving transplantation of adult neurons…
Updated Oct 29, 2026
HealthData.Gov
Type 2 diabetes is an increasing cause of premature coronary heart disease. Several trials with lipid-modifying therapy have included sufficient numbers of diabetics to indicate that treatment of diabetic dyslipidaemia…
Updated Oct 29, 2026
HealthData.Gov
Background: Although the standard tracheostomy described in 1909 by Jackson has been extensively used in critical patients, a more simple procedure that can be performed at the bedside is needed. Since 1957 several…
Updated Oct 29, 2026
HealthData.Gov
Although mechanical ventilation is instituted as a life-saving technique, it may lead to complications that can negatively impact on patients' morbidity and/or mortality. Ventilator associated pneumonia (VAP) is one…
Updated Oct 29, 2026
HealthData.Gov
Background In spite of very low nutrient concentrations in its vicinity – both column and pore waters-, the Posidonia oceanica of the Revellata Bay displays high biomass and productivity. We measured the nutrient fluxes…
Updated Oct 29, 2026
HealthData.Gov
Background The acetamidase of Mycobacterium smegmatis is a highly inducible enzyme. Expression of this enzyme is increased 100-fold when the substrate acetamide is present. The acetamidase gene is found immediately…
Updated Oct 29, 2026
HealthData.Gov
Background It is known that use of hormone replacement therapy (HRT) by postmenopausal women increases the risk of breast cancer. Method In this study, oestrogen receptor (ER)-α expression is examined using standard…
Updated Oct 29, 2026
HealthData.Gov
Background Alkaline phosphatase (ALP) is an important enzyme mainly derived from the liver, bones and in lesser amounts from intestines, placenta, kidneys and leukocytes. An increase in ALP levels in the serum is…
Updated Oct 29, 2026
HealthData.Gov
Background Nontypeable Haemophilus influenzae is an important cause of otitis media in children and lower respiratory tract infection in adults with chronic obstructive pulmonary disease (COPD). Several lines of…
Updated Oct 29, 2026
HealthData.Gov
Background: We propose that a computerized, internet-based graphical description language for systems biology will be essential for describing, archiving and analyzing complex problems of biological function in health…
Updated Oct 29, 2026