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Yinyan Xu, Xinyan Huang, Juan Xie, Yanni Chen, Jing Fu, Li Wang
Autophagy, identified as type II programmed cell death, has already been known to be involved in the pathophysiology of preeclampsia (PE), which is a gestational disease with high morbidity. The present study aims to investigate the functional role of let-7i, a miRNA, in trophoblastic autophagy. Placental tissue used in this study was collected from patients with severe preeclampsia (SPE) or normal pregnant women. A decreased level of let-7i was found in placenta of SPE. In addition, autophagic vacuoles were observed in SPE and the expression of microtubule associated protein 1 light chain 3 (LC3) II/I was elevated...
October 22, 2016: Journal of Cellular Physiology
Yakun Wang, Xiaoqiong Hao, Jing Yang, Jia Li, Meijia Zhang
A surge of luteinizing hormone (LH) from the pituitary gland induces the expression of the epidermal growth factor (EGF)-like factors, which triggers oocyte maturation, cumulus expansion, and ovulation. How LH induces EGF-like factor expression is unclear. In the present study, a rapid increase of phosphorylated cAMP response element binding protein (CREB) was observed after the activation of LH receptor by human chorionic gonadotropin. Large antral follicles from equine chorionic gonadotropin-primed mice were cultured in medium with LH to stimulate the expression of EGF-like factors...
October 22, 2016: Molecular Reproduction and Development
BanuPriya Sridharan, Amy D Laflin, Michael A Holtz, Donna M Pacicca, Nicholas K Wischmeier, Michael S Detamore
To date, many osteochondral regenerative approaches have utilized varied combinations of biocompatible materials and cells to engineer cartilage. Even in cell-based approaches, to date, no study has utilized stem cell aggregates alone for regenerating articular cartilage. Thus, the purpose of this study was to evaluate the performance of a novel stem cell-based aggregate approach in a fibrin carrier to regenerate osteochondral defects in the Sprague-Dawley rat trochlear groove model. Two different densities of rat bone marrow mesenchymal stem cell (rBMSC) aggregates were fabricated by the hanging drop technique...
October 22, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Shanyuanye Guan, Hans A Gray, Anthony G Schache, Julian Feller, Richard de Steiger, Marcus G Pandy
No data are available to describe six-degree-of-freedom (6-DOF) knee-joint kinematics for one complete cycle of overground walking subsequent to total knee arthroplasty (TKA). The aims of this study were firstly, to measure 6-DOF knee-joint kinematics and condylar motion for overground walking following TKA; and secondly, to determine whether such data differed between overground and treadmill gait when participants walked at the same speed during both tasks. A unique mobile biplane X-ray imaging system enabled accurate measurement of 6-DOF TKA knee kinematics during overground walking by simultaneously tracking and imaging the joint...
October 22, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
M P Machado, I Matos, A R Grosso, M Schartl, M M Coelho
Sex determination is a highly variable process that utilizes many different mechanisms to initiate the cascade of differentiation processes. The molecular pathways controlling sexual development are less conserved than previously assumed, and appear to require active maintenance in some species; indeed, the developmental decision of gonad phenotype in gonochoristic species is not fixed at an early developmental stage. Much of the knowledge about sex determination mechanisms was derived from research on gonochoristic, non-seasonal breeders...
October 22, 2016: Molecular Reproduction and Development
Sylvia L R Wood, Jeanine M Rhemtulla, Oliver T Coomes
In the study of shifting cultivation systems, fallow duration is seen as the key determinant of vegetation and soil dynamics: long fallows renew soil fertility, biomass and biodiversity. However, long fallow systems are increasingly replaced around the world with short-medium fallow systems, and awareness is growing of the need to look across multiple (not just single) crop-fallow cycles to accurately understand observed soil and vegetation patterns. In a study from Peru that builds on field-level land-use histories (50+ years), we found that over multiple crop-fallow cycles, farmer's cropping practices mattered more than fallow duration for biodiversity and soil fertility...
October 22, 2016: Ecological Applications: a Publication of the Ecological Society of America
Ibrahim Oghli, Thomas List, Mike John, Pernilla Larsson
OBJECTIVES: To (i) determine the prevalences of self-report in a Swedish adult population, of temporomandibular disorders, burning mouth syndrome, dry mouth, and bad breath and (ii) determine oral health-related quality of life impairment in subjects reporting these conditions. SUBJECTS AND METHODS: A cross-sectional, randomized sample of the adult Swedish population (response rate: 46%, N=1309 subjects) self-reported their condition from the preceding month to assess prevalences of self-report for the studied conditions together with comorbidity group of subjects who reported more than one condition...
October 22, 2016: Oral Diseases
Henry Maia Peixoto, Marcelo Augusto Mota Brito, Gustavo Adolfo Sierra Romero, Wuelton Marcelo Monteiro, Marcus Vinícius Guimarães de Lacerda, Maria Regina Fernandes de Oliveira
OBJECTIVE: The aim of this study was to estimate the incremental budget impact (IBI) of a rapid diagnostic test to detect G6PDd in male patients infected with Plasmodium vivax in the Brazilian Amazon, as compared to the routine protocol recommended in Brazil which does not include G6PDd testing. METHODS: The budget impact analysis was performed from the perspective of the Brazilian health system, in the Brazilian Amazon for the years 2013, 2014 and 2015. The analysis used a decision model to compare two scenarios: the first consisting of the routine recommended in Brazil which does not include prior diagnosis of dG6PD, and the second based on the use of RDT CareStart(™) G6PD (CS-G6PD) in all male subjects diagnosed with vivax malaria...
October 22, 2016: Tropical Medicine & International Health: TM & IH
Luís Filipe Azevedo, Rute Sampaio, Cláudia Camila Dias, José Romão, Laurinda Lemos, Luís Agualusa, Sílvia Vaz-Serra, Teresa Patto, Altamiro Costa-Pereira, José Manuel Castro-Lopes
BACKGROUND: We aimed to perform the translation, cultural adaptation, and validation of the Pain Beliefs and Perceptions Inventory (PBPI) for the European Portuguese language and chronic pain population. METHODS: This is a longitudinal multicenter validation study. A Portuguese version of the PBPI (PBPI-P) was created through a process of translation, back-translation, and expert panel evaluation. The PBPI-P was administered to a total of 122 patients from 13 chronic pain clinics in Portugal, at baseline and after 7 days...
October 22, 2016: Pain Practice: the Official Journal of World Institute of Pain
Anna Hegsted, Forrest A Wright, SarahBeth Votra, David Pruyne
Formins are regulators of actin filament dynamics. We demonstrate here that two formins, FHOD-1 and EXC-6, are important in the nematode Caenorhabditis elegans for ovulation, during which actomyosin contractions push a maturing oocyte from the gonad arm into a distensible bag-like organ, the spermatheca. EXC-6, a homolog of the disease-associated mammalian formin INF2, is highly expressed in the spermatheca, where it localizes to cell-cell junctions and to circumferential actin filament bundles. Loss of EXC-6 does not noticeably affect the organization the actin filament bundles, and causes only a very modest increase in the population of junction-associated actin filaments...
October 22, 2016: Cytoskeleton
Narayan R Kissoon, Bryan C Hoelzer, David P Martin, Tim J Lamer
BACKGROUND: New advances in spinal cord stimulation have led to improved treatment of patients suffering from chronic pain. While the overall safety of newer stimulation devices has been established, no published reports exist regarding safety considerations when these devices are implanted in patients with a preexisting cardiac device. CASE REPORT: An 83-year-old man with a history of out-of-hospital cardiac arrest secondary to an episode of ventricular fibrillation underwent automated implantable cardiac defibrillator placement...
October 22, 2016: Pain Practice: the Official Journal of World Institute of Pain
Tatsuya Isomura, Masahiko Sumitani, Ko Matsudaira, Mika Kawaguchi, Reo Inoue, Jun Hozumi, Takeyuki Tanaka, Hirofumi Oshima, Kanto Mori, Shuji Taketomi, Hiroshi Inui, Keitaro Tahara, Ryota Yamagami, Kazuhiro Hayakawa
OBJECTIVE: We aimed to assess the diagnostic utility of the linguistically validated Japanese version of the Leeds Assessment of Neuropathic Symptoms and Signs Pain Scale (LANSS-J) as a screening tool for neuropathic pain in the clinical setting. METHODS: Patients with neuropathic pain or nociceptive pain who were 20 to 85 years of age were included. Sensitivity and specificity using the original cutoff value of 12 were assessed to evaluate the diagnostic utility of the LANSS-J...
October 22, 2016: Pain Practice: the Official Journal of World Institute of Pain
Katsutoshi Mizuno, Erin E Dymek, Elizabeth F Smith
The complex waveforms characteristic of motile eukaryotic cilia and flagella are produced by the temporally and spatially regulated action of multiple dynein subforms generating sliding between subsets of axonemal microtubules. Multiple protein complexes have been identified that are associated with the doublet microtubules and that mediate regulatory signals between key axonemal structures, such as the radial spokes and central apparatus, and the dynein arm motors; these complexes include the N-DRC, MIA and CSC complexes...
October 22, 2016: Cytoskeleton
Paula Sosenski, Sergio Ramos-Castro, César A Domínguez, Karina Boege, Juan Fornoni
The evolution of monomorphisms from heterostylous ancestors has been related with the presence of homostyly and the loss of self-incompatibility allowing the occurrence of selfing, which could be advantageous under pollinator limitation. However, flowers of some monomorphic species show herkogamy, attraction and rewarding traits that presumably favour cross-pollination and/or a mixed mating system. This study evaluated the contributions of pollinators, breeding system and floral traits to the reproduction of Turnera velutina, a herkogamous monomorphic species...
October 22, 2016: Plant Biology
Letícia Couto Garcia, Danilo Bandini Ribeiro, Fabio de Oliveira Roque, Jose Manuel Ochoa-Quintero, William F Laurance
In November 2015, a large mine-tailing dam owned by Samarco Corporation collapsed in Brazil, generating a massive wave of toxic mud that spread down the Doce River, killing 19 people and affecting biodiversity across hundreds of kilometers of river, riparian lands, and Atlantic coast. Besides the disaster's serious human and socioeconomic tolls, we estimate the regional loss of environmental services to be ~US$5.21 billion/year. Although our estimate is conservative, it is still six times higher than the fine imposed on Samarco by Brazilian environmental authorities...
October 22, 2016: Ecological Applications: a Publication of the Ecological Society of America
K S Weber, K Strassburger, G Pacini, B Nowotny, K Müssig, J Szendroedi, C Herder, M Roden
AIMS: To examine the hypothesis that changes in serum adiponectin concentration inversely relate to changes in glucose tolerance and β-cell function already during the early stage of disease progression in recently diagnosed Type 1 and Type 2 diabetes mellitus. METHODS: Participants in the prospective observational German Diabetes Study (Type 2 diabetes, n = 94; Type 1 diabetes, n =42) underwent i.v. glucose tolerance and glucagon stimulation testing to assess pre-hepatic β-cell function, glucose tolerance index and C-peptide secretion within the first year of diabetes diagnosis and 2 years later...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
C Teljeur, P S Moran, S Walshe, S M Smith, F Cianci, L Murphy, P Harrington, M Ryan
AIMS: To systematically review the evidence on the costs and cost-effectiveness of self-management support interventions for people with diabetes. BACKGROUND: Self-management support is the provision of education and supportive interventions to increase patients' skills and confidence in managing their health problems, potentially leading to improvements in HbA1c levels in people with diabetes. METHODS: Randomized controlled trials, observational studies or economic modelling studies were eligible for inclusion in the review...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Y H Cho, M E Craig, A S Januszewski, P Benitez-Aguirre, S Hing, A J Jenkins, K C Donaghue
AIM: To test the hypothesis that non-invasive skin autofluorescence, a measure of advanced glycation end products, would provide a surrogate measure of long-term glycaemia and be associated with early markers of microvascular complications in adolescents with Type 1 diabetes. METHODS: Forearm skin autofluorescence (arbitrary units) was measured in a cross-sectional study of 135 adolescents with Type 1 diabetes [mean ± sd age 15.6 ± 2.1 years, diabetes duration 8...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
I Schütz-Fuhrmann, J Castañeda, Y Reznik, R Aronson, I Conget, S Liabat, S Runzis, S de Portu, O Cohen
The recent OpT2mise randomized trial compared the efficacy of insulin pump therapy and multiple daily injections (MDI) in people with Type 2 diabetes and HbA1c levels that remained ≥64 mmol/mol (8.0%) despite insulin dose optimization [1,2]. During the initial 6-month randomized phase of the study, pump therapy was shown to produce a significant improvement in glycaemic control and a 20% reduction in total daily insulin dose, compared with MDI therapy [1], and these benefits were sustained during the subsequent 6-month extension phase during which all participants received pump therapy [2]...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Guaraci D Cordeiro, Mardiore Pinheiro, Stefan Dötterl, Isabel Alves-Dos-Santos
Bees are the most important diurnal pollinators of angiosperms. In several groups of bees a nocturnal/crepuscular habit was developed, yet, little is known about their role in pollination and whether some plants are adapted specifically to these bees. We used a multidisciplinary approach to investigate the reproductive biology and to understand the role of nocturnal/crepuscular bees in pollination of Campomanesia phaea (Myrtaceae), popularly named cambuci. We studied the floral biology and the breeding system of C...
October 22, 2016: Plant Biology
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