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https://www.readbyqxmd.com/read/28528223/the-mediating-role-of-sleep-quality-on-the-relationship-between-perceived-stress-and-depression-among-the-elderly-in-urban-communities-a-cross-sectional-study
#1
Y Liu, T Li, L Guo, R Zhang, X Feng, K Liu
OBJECTIVE: This study aims to investigate the relationship between perceived stress, sleep quality, and depression among the elderly in urban communities, and further to determine whether sleep quality can serve as a mediator among the elderly in urban communities. STUDY DESIGN: A cross-sectional survey. METHODS: Between May and July in 2015, we conducted a cross-sectional survey among 1050 community residents aged ≥60 years from Liaoning province, China...
May 18, 2017: Public Health
https://www.readbyqxmd.com/read/28528195/repulsive-surfaces-and-lamellar-lubrication-of-synovial-joints
#2
Zenon Pawlak, Kehinde Q Yusuf, Raghuvir Pai, Wieslaw Urbaniak
Surface-active phospholipid (SAPL) secreted in the synovial joint plays an important role in cartilage integrity. In healthy joints, phospholipid multibilayers coat the cartilage surface, providing boundary lamellar-repulsive hydration lubrication. Current mechanism for lubrication of synovial joints, as well as the physical and chemical nature of the cartilage surface is discussed. Friction between phospholipid (PL) bilayers attached to cartilage surfaces is considered including a discussion on the recent observation of an extreme friction reduction as a consequence of a less charged hydrophilic cartilage surface...
May 17, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28527472/-leaving-no-one-behind-reflections-on-the-design-of-community-based-hiv-prevention-for-migrants-in-johannesburg-s-inner-city-hostels-and-informal-settlements
#3
Fiona Scorgie, Jo Vearey, Monique Oliff, Jonathan Stadler, Emilie Venables, Matthew F Chersich, Sinead Delany-Moretlwe
BACKGROUND: Unmanaged urban growth in southern and eastern Africa has led to a growth of informal housing in cities, which are home to poor, marginalised populations, and associated with the highest HIV prevalence in urban areas. This article describes and reflects on the authors' experiences in designing and implementing an HIV intervention originally intended for migrant men living in single-sex hostels of inner-city Johannesburg. It shows how formative research findings were incorporated into project design, substantially shifting the scope of the original project...
May 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28526759/il-2-high-tissue-resident-t-cells-in-the-human-liver-sentinels-for-hepatotropic-infection
#4
Laura J Pallett, Jessica Davies, Emily J Colbeck, Francis Robertson, Navjyot Hansi, Nicholas J W Easom, Alice R Burton, Kerstin A Stegmann, Anna Schurich, Leo Swadling, Upkar S Gill, Victoria Male, TuVinh Luong, Amir Gander, Brian R Davidson, Patrick T F Kennedy, Mala K Maini
The liver provides a tolerogenic immune niche exploited by several highly prevalent pathogens as well as by primary and metastatic tumors. We have sampled healthy and hepatitis B virus (HBV)-infected human livers to probe for a subset of T cells specialized to overcome local constraints and mediate immunity. We characterize a population of T-bet(lo)Eomes(lo)Blimp-1(hi)Hobit(lo) T cells found within the intrahepatic but not the circulating memory CD8 T cell pool expressing liver-homing/retention markers (CD69(+)CD103(+) CXCR6(+)CXCR3(+))...
May 19, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28526450/the-association-of-single-nucleotide-polymorphisms-in-the-oxytocin-receptor-and-g-protein-coupled-receptor-kinase-6-grk6-genes-with-oxytocin-dosing-requirements-and-labor-outcomes
#5
Chad A Grotegut, Emily Ngan, Melanie E Garrett, Marie Lynn Miranda, Allison E Ashley-Koch, Geeta K Swamy
BACKGROUND: Oxytocin is a potent uterotonic agent that is widely used for induction and augmentation of labor. Oxytocin has a narrow therapeutic index and the optimal dosing for any individual woman varies widely. OBJECTIVE: The objective of this study was to determine if genetic variation in the oxytocin receptor (OXTR) or in the gene encoding G protein-coupled receptor kinase 6 (GRK6), which regulates desensitization of the OXTR, could explain variation in oxytocin dosing and labor outcomes among women being induced near term...
May 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28526253/racial-ethnic-differences-in-sleep-quality-among-older-adults-with-osteoarthritis
#6
Patricia A Parmelee, Brian S Cox, Jason A DeCaro, Francis J Keefe, Dylan M Smith
OBJECTIVE: To examine racial/ethnic differences in sleep quality and the pain-sleep association among older adults with osteoarthritis of the knee. DESIGN: Baseline interview followed by a 7-day microlongitudinal study using accelerometry and self-reports. SETTING: Participants were community residents in western Alabama and Long Island, NY. PARTICIPANTS: Ninety-six African Americans (AAs) and 128 non-Hispanic whites (NHWs) with physician-diagnosed knee osteoarthritis, recruited from a variety of clinical and community settings...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28526177/two-cell-populations-participate-in-clearance-of-damaged-hair-cells-from-the-sensory-epithelia-of-the-inner-ear
#7
REVIEW
Keiko Hirose, Mark A Rutherford, Mark E Warchol
The cochlea and the vestibular organs are populated by resident macrophages, but their role in inner ear maintenance and pathology is not entirely clear. Resident macrophages in other organs are responsible for phagocytosis of injured or infected cells, and it is likely that macrophages in the inner ear serve a similar role. Hair cell injury causes macrophages to accumulate within proximity of damaged regions of the inner ear, either by exiting the vasculature and entering the labyrinth or by the resident macrophages reorganizing themselves through local movement to the areas of injury...
April 28, 2017: Hearing Research
https://www.readbyqxmd.com/read/28526074/oral-health-behaviour-in-migrant-and-non-migrant-adults-in-germany-the-utilization-of-regular-dental-check-ups
#8
Fabian Erdsiek, Dorothee Waury, Patrick Brzoska
BACKGROUND: Migrants in many European countries including Germany tend to utilize preventive measures less frequently than the majority population. Little is known about the dental health of migrants as well as about their oral health behaviour, particularly in the adult population. The aim of this study was to examine differences in the uptake of annual dental check-ups in adult migrants and non-migrants in Germany. METHODS: We used data from the cross-sectional survey 'German Health Update 2010' conducted by the Robert Koch Institute (n = 22,050)...
May 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28525923/a-national-implementation-project-to-prevent-catheter-associated-urinary-tract-infection-in-nursing-home-residents
#9
Lona Mody, M Todd Greene, Jennifer Meddings, Sarah L Krein, Sara E McNamara, Barbara W Trautner, David Ratz, Nimalie D Stone, Lillian Min, Steven J Schweon, Andrew J Rolle, Russell N Olmsted, Dale R Burwen, James Battles, Barbara Edson, Sanjay Saint
Importance: Catheter-associated urinary tract infection (UTI) in nursing home residents is a common cause of sepsis, hospital admission, and antimicrobial use leading to colonization with multidrug-resistant organisms. Objective: To develop, implement, and evaluate an intervention to reduce catheter-associated UTI. Design, Setting, and Participants: A large-scale prospective implementation project was conducted in community-based nursing homes participating in the Agency for Healthcare Research and Quality Safety Program for Long-Term Care...
May 19, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28525623/the-survey-of-tinea-capitis-and-scalp-dermatophyte-carriage-in-nursing-home-residents
#10
Chien-Yio Lin, Hsiu-Jung Lo, Ming-Gene Tu, Yu-Ming Ju, Yun-Chen Fan, Chih-Chao Lin, Ya-Ting Chiang, Yun-Liang Yang, Kai-Ting Chen, Pei-Lun Sun
Tinea capitis is a contagious dermatophyte infection of scalp and associated hairs. On the other hand, asymptomatic carriage is a status of positive dermatophyte scalp culture, but without signs or symptoms of tinea capitis, and no evidence of hair shaft invasion confirmed by direct microscopy. Tinea capitis and asymptomatic carriage mostly occur in children, but adult females are becoming another population in recent decades. In this study, we focused on the prevalence and related fungi of tinea capitis and asymptomatic carriage in elderly by the shampoo brush method, as well as the source of transmission, in 10 nursing home residents...
May 18, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28523474/perceptions-of-successful-aging-among-older-adults-in-bangladesh-an-exploratory-study
#11
Iftekhar Amin
To analyze older adults' definitions of successful aging in Bangladesh. The purposively selected study sample comprised twelve participants who were aged over 60. Interviews using in-depth semi-structured questionnaires were conducted based on participants' chosen mode, either face-to-face, or by phone. Findings of this study support that successful aging is multidimensional - that is - for Bangladeshis successful aging encompasses dimensions such as adaptation to an aging body, financial security, family and intergenerational care, and social participation...
May 18, 2017: Journal of Cross-cultural Gerontology
https://www.readbyqxmd.com/read/28523117/evaluation-of-pediatric-residents-attitudes-toward-ethical-conflict-a-cross-sectional-study-in-tehran-iran
#12
Maliheh Kadivar, Marjan Mardani-Hamooleh, Shiva Shayestefar
Ethical conflicts are recognized as critical aspects in assessing competence in clinical communication. Moreover, pediatrics residents may face more problems, compared to other disciplines; due to the specific characteristics of the age group receiving services as well as the presence of their families. This study has been conducted with the aim of determining the attitude and perspective of pediatric residents toward ethical conflicts in the field of pediatrics. This descriptive, cross-sectional study was carried out on all residents of Tehran University of Medical Sciences (90 residents), selected through census method, in 2014...
2017: Journal of Medical Ethics and History of Medicine
https://www.readbyqxmd.com/read/28522893/hearcare-hearing-and-communication-assistance-for-resident-engagement
#13
REVIEW
Catherine V Palmer, Reem Mulla, Elizabeth Dervin, Kathleen Costigan Coyan
Impaired hearing is related to poor health outcomes, including compromised cognitive function, in aging individuals. Hearing loss is the third most common chronic health condition after arthritis and heart disease in older adults and the fourth most detrimental condition related to quality of life in older adults. Only 18% of aging adults who have impactful hearing loss actually use custom-fit amplification. Therefore, the majority of aging individuals entering senior living facilities will have untreated hearing loss...
May 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/28522733/activation-of-perk-elicits-memory-impairment-through-inactivation-of-creb-and-downregulation-of-psd95-following-traumatic-brain-injury
#14
Tanusree Sen, Rajaneesh Gupta, Helen Kaiser, Nilkantha Sen
The PKR-like ER kinase (PERK) a transmembrane protein resides in the endoplasmic reticulum (ER) and activation of PERK serve as a key sensor of ER-stress which has been implicated in Traumatic Brain Injury (TBI). The loss of memory is one of the most common symptoms following TBI; however, the precise role of PERK activation in memory impairment after TBI has not been well elucidated. Here we have shown that blocking the activation of PERK using GSK2656157 prevents the loss of dendritic spines and rescues memory deficits following TBI...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28522455/psa3-a-protein-on-the-stromal-face-of-the-thylakoid-membrane-promotes-photosystem-i-accumulation-in-cooperation-with-the-assembly-factor-pyg7
#15
Jie Shen, Rosalind Williams-Carrier, Alice Barkan
Photosystem I (PSI) is a large protein-pigment complex located in the thylakoid membrane in cyanobacteria, plants, and algae. Although the structure and components of PSI are well characterized, mechanisms that orchestrate its assembly are poorly understood. In this study, we discovered a novel nucleus-encoded protein, Photosystem I Assembly 3 (PSA3), that is required for PSI accumulation. PSA3 is conserved among green photosynthetic eukaryotes but is lacking in cyanobacteria. Mutations in the psa3 gene cause the specific loss of PSI in Arabidopsis and maize...
May 18, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28521746/survival-rates-and-predictors-of-survival-among-colorectal-cancer-patients-in-a-malaysian-tertiary-hospital
#16
Bello Arkilla Magaji, Foong Ming Moy, April Camilla Roslani, Chee Wei Law
BACKGROUND: Colorectal cancer is the third most commonly diagnosed malignancy and the fourth leading cause of cancer-related death globally. It is the second most common cancer among both males and females in Malaysia. The economic burden of colorectal cancer is likely to increase over time owing to its current trend and aging population. Cancer survival analysis is an essential indicator for early detection and improvement in cancer treatment. However, there was a scarcity of studies concerning survival of colorectal cancer patients as well as its predictors...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28521232/aerated-biofilters-with-multiple-level-air-injection-configurations-to-enhance-biological-treatment-of-methane-emissions
#17
Hasti Farrokhzadeh, J Patrick A Hettiaratchi, Poornima Jayasinghe, Sunil Kumar
Aiming to improve conventional methane biofilter performance, a multiple-level aeration biofilter design is proposed. Laboratory flow-through column experiments were conducted to evaluate three actively-aerated methane biofilter configurations. Columns were aerated at one, two, and three levels of the bed depth, with air introduced at flow rates calculated from methane oxidation reaction stoichiometry. Inlet methane loading rates were increased in five stages between 6 and 18mL/min. The effects of methane feeding rate, levels of aeration, and residence time on methane oxidation rates were determined...
May 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28520994/gut-microbiota-mediated-protection-against-diarrheal-infections
#18
Stefanie L Vogt, B Brett Finlay
Background: The mammalian gut microbiota is a highly abundant and diverse microbial community that resides in the gastrointestinal tract. One major benefit that the gut microbiota provides to its host is colonization resistance-the ability to prevent colonization by foreign microbes, including diarrheal pathogens such as Clostridium difficile , Salmonella enterica serovar Typhimurium and diarrheagenic Escherichia coli . Methods: We conducted a literature review of the effects of the gut microbiota on infection by diarrheal pathogens...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520816/high-prevalence-of-elevated-blood-lead-levels-in-both-rural-and-urban-iowa-newborns-spatial-patterns-and-area-level-covariates
#19
Margaret Carrel, David Zahrieh, Sean G Young, Jacob Oleson, Kelli K Ryckman, Brian Wels, Donald L Simmons, Audrey Saftlas
Lead in maternal blood can cross the placenta and result in elevated blood lead levels in newborns, potentially producing negative effects on neurocognitive function, particularly if combined with childhood lead exposure. Little research exists, however, into the burden of elevated blood lead levels in newborns, or the places and populations in which elevated lead levels are observed in newborns, particularly in rural settings. Using ~2300 dried bloods spots collected within 1-3 days of birth among Iowa newborns, linked with the area of mother's residence at the time of birth, we examine the spatial patterns of elevated (>5 μg/dL) blood lead levels and the ecological-level predictors of elevated blood lead levels...
2017: PloS One
https://www.readbyqxmd.com/read/28520773/development-of-the-highly-sensitive-dog-questionnaire-to-evaluate-the-personality-dimension-sensory-processing-sensitivity-in-dogs
#20
Maya Braem, Lucy Asher, Sibylle Furrer, Isabel Lechner, Hanno Würbel, Luca Melotti
In humans, the personality dimension 'sensory processing sensitivity (SPS)', also referred to as "high sensitivity", involves deeper processing of sensory information, which can be associated with physiological and behavioral overarousal. However, it has not been studied up to now whether this dimension also exists in other species. SPS can influence how people perceive the environment and how this affects them, thus a similar dimension in animals would be highly relevant with respect to animal welfare. We therefore explored whether SPS translates to dogs, one of the primary model species in personality research...
2017: PloS One
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