Results 11 to 20 of about 484,320 (115)

Human Fragmentation Effects Are Genetically Detectable After 6 Years in an Island-Endemic Plant. [PDF]

open access: yesEcol Evol
We provide direct evidence that anthropogenic infrastructures such as reservoirs and expressways have been capable of increasing genetic differentiation and, thus, modifying the phylogeographical pattern of Primulina heterotricha in just a six‐year period (two generations of the plant). ABSTRACT Anthropogenic disturbances have long been acknowledged to
Jin WT   +5 more
europepmc   +2 more sources

A Pan-TE Map Reveals the Important Role of Transposable Elements in Gene Expression and Phenotypic Diversity in 2,311 Rapeseed Accessions. [PDF]

open access: yesAdv Sci (Weinh)
This study presents the first pan‐transposable element (TE) atlas in rapeseed, profiling over 8 million TEs across 2311 accessions. Integrative analyses reveal that TEs broadly shape gene expression through diverse regulatory mechanisms, with key insertions in BnaA03.FLC and BnaA09.CYP78A9 linked to flowering time and silique development.
Yang Z   +9 more
europepmc   +2 more sources

Longitudinal patterns of brain aging and neurodegeneration among older adults with dual decline in memory and gait. [PDF]

open access: yesAlzheimers Dement
Abstract INTRODUCTION Dual cognitive and mobility decline is more strongly associated with dementia risk than cognitive decline only. It remains unknown whether this syndrome is associated with brain atrophy patterns, white matter (WM) damage, or pathology. METHODS In the Baltimore Longitudinal Study of Aging participants with and without dual decline,
Tian Q   +9 more
europepmc   +2 more sources

Vaping causes an acute BMI-dependent change in pulmonary blood flow. [PDF]

open access: yesPhysiol Rep
The effect of vaping on the lungs is not yet well understood; previous studies have shown mixed results. We applied functional MRI methods to measure regional ventilation and perfusion in the lungs before and after vaping. Results showed a strong correlation between BMI and the change in perfusion after vaping. Measurements of airways resistance showed
Burrowes KS   +6 more
europepmc   +2 more sources

From efficacy to equity: Literature review of decision criteria for resource allocation and healthcare decisionmaking

open access: yesCost Effectiveness and Resource Allocation, 2012
Objectives Resource allocation is a challenging issue faced by health policy decisionmakers requiring careful consideration of many factors. Objectives of this study were to identify decision criteria and their frequency reported in the literature on ...
Guindo Lalla Aïda   +6 more
doaj   +1 more source

Updating a systematic review – what difference did it make? Case study of nicotine replacement therapy

open access: yesBMC Medical Research Methodology, 2001
Aims To examine the effect of updating a systematic review of nicotine replacement therapy on its contents and conclusions. Methods We examined the effects of regular updating of a systematic review of nicotine replacement therapy for smoking cessation ...
Lancaster Tim   +2 more
doaj   +1 more source

Relationship of Occupational Adjustment with Psychological Empowerment and Job Burnout in Iranian Nurses

open access: yesActa Medica Iranica, 2020
The present study intended to determine the relationship of occupational adjustment with psychological empowerment and job burnout of nurses. This descriptive correlational study was conducted on 209 nurses working in educational hospitals.
Mohamad Behnammoghadam
doaj   +1 more source

Double blind randomized placebo-controlled trial on the effects of testosterone supplementation in elderly men with moderate to low testosterone levels: design and baseline characteristics [ISRCTN23688581]

open access: yesTrials, 2006
In ageing men testosterone levels decline, while cognitive function, muscle and bone mass, sexual hair growth, libido and sexual activity decline and the risk of cardiovascular diseases increase.
Verhaar Harald JJ   +5 more
doaj   +1 more source

A randomized controlled trial of interventions to enhance patient-physician partnership, patient adherence and high blood pressure control among ethnic minorities and poor persons: study protocol NCT00123045

open access: yesImplementation Science, 2009
Background Disparities in health and healthcare are extensively documented across clinical conditions, settings, and dimensions of healthcare quality. In particular, studies show that ethnic minorities and persons with low socioeconomic status receive ...
Larson Susan M   +7 more
doaj   +1 more source

Psychological Characteristics of Mothers of Children With Cerebral Palsy

open access: yesActa Medica Iranica, 2020
The aim of the study was to determine the psychological characteristics of mothers of children with cerebral palsy. The study included a sample of 30 respondents. The sample consisted of mothers of children with cerebral palsy, chronologically aged 25 to
Senad Mehmedinović
doaj   +1 more source

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