Animals use a variety of complex signaling mechanisms to convey an array of information that can be detected by conspecifics and heterospecifics. Receivers of those signals perceive that information and use it to direct their subsequent actions. Thus, communication such as that which occurs between senders and receivers of vocal communication signals can be a powerful model in which to investigate the neural basis of sensory perception and action initiation that underlie decision-making.
View Article and Find Full Text PDFMicroRNAs are small double-stranded RNAs, which negatively regulate gene expression and have been shown to have key roles in both chondrocyte development and cartilage homeostasis with age. Deletion of all microRNAs in chondrocytes leads to skeletal growth defects in mice, whilst deletion of specific microRNAs, e.g.
View Article and Find Full Text PDFObjective: The objective of the study was to describe psychological features of abstinent heroin users undergoing rehabilitation in Saint Petersburg, Russia. Study subjects (n = 197) were recruited prospectively at the time of their admission to rehabilitation between March 2010 and May 2011 at 7 inpatient opiate addiction rehabilitation centers in Saint-Petersburg and neighboring regions, Russia. The centers provided varying rehabilitation programs; 6 of them were religious centers.
View Article and Find Full Text PDFSocial network research emphasizes the access to nonredundant knowledge content that network ties provide. I suggest that some content is more beneficial than others and that tie strength may affect creativity for reasons other than the associated structure. That is, tie strength may affect how individuals process nonredundant knowledge.
View Article and Find Full Text PDFInt J Sports Physiol Perform
January 2014
Unlabelled: The ability to buffer H+ could be vital to exercise performance, as high concentrations of H+ contribute to the development of fatigue.
Purpose: The authors examined the effect of sodium bicarbonate (SB) supplementation on 2000-m rowing-ergometer performance.
Methods: Twenty male rowers (age 23 ± 4 y, height 1.
Int J Sport Nutr Exerc Metab
October 2013
Purpose: To examine the effect of beta-alanine only and beta-alanine with sodium bicarbonate supplementation on 2,000-m rowing performance.
Methods: Twenty well-trained rowers (age 23 ± 4 y; height 1.85 ± 0.
J Public Health Manag Pract
February 2014
New York State Public Health Law §2819, requiring the mandatory public reporting of health care-associated infections, was enacted in July 2005. This article describes key provisions in the legislation, New York State health care-associated infection program development, the rationale for selection of the National Healthcare Safety Network for reporting, and lessons learned.
View Article and Find Full Text PDFBevacizumab ((BEV) has become a mainstay of treating recurrent glioblastoma, but eventual tumor resistance is expected. Targeting multiple growth-associated signaling pathways may result in more effective treatment than targeting VEGF alone. Patients with recurrent glioblastoma were stratified by prior BEV exposure and treated with sunitinib 37.
View Article and Find Full Text PDFBackground: Dental caries is a common disease in children which causes pain with resultant effect on various physiological and social functions. The main objective of the study was to determine the association between dental caries and oral health knowledge and practice among children in Nairobi West and Mathira West Districts.
Methods: A cross-sectional study was conducted among 639 children aged 12 years attending public primary schools in Nairobi West and Mathira West districts between August 2009-February 2010.
J Public Health Manag Pract
January 2014
Rapid changes to the United States public health system challenge the current strategic approach to surveillance. During 2011, the Council of State and Territorial Epidemiologists convened national experts to reassess public health surveillance in the United States and update surveillance strategies that were published in a 1996 report and endorsed by the Council of State and Territorial Epidemiologists. Although surveillance goals, historical influences, and most methods have not changed, surveillance is being transformed by 3 influences: public health information and preparedness as national security issues; new information technologies; and health care reform.
View Article and Find Full Text PDFBackground: The perioperative management of patients with a coronary artery stent is a major patient safety issue currently confronting clinicians. Surgery on a patient on antiplatelet therapy creates the following dilemma: is it better to withdraw the drugs and reduce the hemorrhagic risk or to maintain them and reduce the risk of a myocardial ischemic event?
Methods: An electronic survey was used to sample a cross-section of local clinicians regarding the perioperative management of patients with an indwelling coronary artery stent. The reiterative Consensus-Oriented Decision-Making model was applied by an institutional task force with representation from anesthesiology, cardiology, primary care medicine, and surgery.
J Public Health Manag Pract
June 2012
Background: The aim of this study was to describe the extent of the HIV epidemic among women in the Republic of Georgia and to identify factors associated with HCV co-infection in this population.
Findings: All women aged ≥18 years who were diagnosed with HIV between 1989 and 2006 were identified through the National HIV/AIDS surveillance database. Medical records were reviewed for demographic characteristics, risk factors and HCV serostatus.
In September 2008, the Council of State and Territorial Epidemiologists and the Centers for Disease Control and Prevention sponsored a meeting of public health and infection-control professionals to address the implementation of surveillance for multidrug-resistant organisms (MDROs)-particularly those related to health care-associated infections. The group discussed the role of health departments and defined goals for future surveillance activities. Participants identified the following main points: (1) surveillance should guide prevention and infection-control activities, (2) an MDRO surveillance system should be adaptable and not organism specific, (3) new systems should utilize and link existing systems, and (4) automated electronic laboratory reporting will be an important component of surveillance but will take time to develop.
View Article and Find Full Text PDFObjectives: To monitor trends and costs of diarrhea and rotavirus-associated hospitalizations in New York before and after rotavirus vaccine implementation in 2006. To examine rotavirus test results from sentinel hospital-associated laboratories.
Methods: Hospital discharge data and laboratory rotavirus testing data were analyzed for children 1 month up to 18 years of age for 10 sentinel and all statewide hospitals from January 1, 2003 through December 31, 2008.
Background: Mongolia has one of the highest rates of viral hepatitis infections worldwide yet risk factors have been largely unstudied. This sentinel study of hepatitis infection in Mongolia determined the prevalence of hepatitis B virus surface antigen (HBsAg) and hepatitis C virus antibody (anti-HCV) among a sample of blood donors and identified demographic and behavioral factors associated with hepatitis infection.
Study Design And Methods: Data were collected by interview from 923 Ministry of Health Blood Center donors between August 2004 and February 2005.
Objectives: Mumps is a vaccine-preventable disease that may cause outbreaks. In July 2005, an outbreak of mumps occurred during a children's summer camp in upstate New York. An investigation was initiated to describe the cases and evaluate vaccine effectiveness.
View Article and Find Full Text PDFWe reviewed medical records of 238 hospitalized patients with Escherichia coli O157:H7 diarrhea to identify risk factors for progression to diarrhea-associated hemolytic uremic syndrome (HUS). Data indicated that young age, long duration of diarrhea, elevated leukocyte count, and proteinuria were associated with HUS.
View Article and Find Full Text PDFBackground: Polymerase chain reaction (PCR) is becoming more common in diagnostic laboratories. In some instances, its value has been established. In other cases, assays exist, but their beneficial use has not been determined.
View Article and Find Full Text PDFA comparison of New York's traditional communicable disease surveillance system for diarrhea-associated hemolytic uremic syndrome with hospital discharge data showed a sensitivity of 65%. Escherichia coli O157:H7 was found in 63% of samples cultured from hemolytic uremic syndrome patients, and samples were more likely to be positive when collected early in illness.
View Article and Find Full Text PDFBackground: Women in New York State are heavily affected by the human immunodeficiency virus (HIV) epidemic. New York has had the largest number of births to HIV-infected pregnant women in the United States. Data collected as part of the Survey of Childbearing Women have been valuable for assessing the impact of the disease on the women of New York.
View Article and Find Full Text PDFNontyphoidal Salmonella causes a higher proportion of food-related deaths annually than any other bacterial pathogen in the United States. We reviewed 4 years (1996-1999) of population-based active surveillance data on laboratory-confirmed Salmonella infections from the Emerging Infections Program's Foodborne Diseases Active Surveillance Network (FoodNet), to determine the rates of hospitalization and death associated with Salmonella infection. Overall, 22% of infected persons were hospitalized, with the highest rate (47%) among persons aged >60 years.
View Article and Find Full Text PDFEstrogen regulates the function, growth, and proliferation of lactotropes in the pituitary. We report here that low-density lipoprotein (LDL) receptor (LDLR) gene expression and LDL uptake are strongly up-regulated by estrogen in pituitary somatolactotropic GH(3) cells. The uptake of LDL was significantly inhibited by the F-actin-severing drug, swinholide A, indicating that LDL uptake is dependent on the integrity of the cortical actin cytoskeleton in GH(3) cells.
View Article and Find Full Text PDFThe morphology and function of rat GH3 pituitary cells are profoundly affected by estradiol-17beta (E2), presumably due to changes in the profile of gene expression. We recently reported that a major target of E2 in these cells is the ezrin gene, which encodes a cytoskeletal linker protein that forms a complex with ezrin/radixin/ moesin-binding protein 50 (EBP50) in some cell types. Other studies have shown that EBP50 levels are increased by E2 in human breast and uterine tissue.
View Article and Find Full Text PDF