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Huixin Luo, Huimin Li, Xiaoyuan Yang, Jing Li, Xinge Zhang, Zhongming Wu
To overcome the chemical penetration enhancer-associated toxicities, without sacrificing delivery efficiency, a functional ε-polylysine (EPL-g-Cetyl) as polymeric permeation enhancers was synthesized by the hydrophobic modification of amino groups of ε-polylysine. The obtained EPL-g-Cetyl nanoparticles had about 200 nm in size with narrower distribution, high positive charge, and good stability. A high loading capacity (up to 17%) of the formulation provided a sustained and controlled release pattern of insulin from the nanoparticles...
October 13, 2016: Journal of Pharmaceutical Sciences
Boon Siang Nicholas Tan, Joly Kwek, Chong Kum Edwin Wong, Nicholas J Saner, Charlotte Yap, Fernando Felquer, Michael B Morris, David K Gardner, Peter D Rathjen, Joy Rathjen
Multiple pluripotent cell populations, which together comprise the pluripotent cell lineage, have been identified. The mechanisms that control the progression between these populations are still poorly understood. The formation of early primitive ectoderm-like (EPL) cells from mouse embryonic stem (mES) cells provides a model to understand how one such transition is regulated. EPL cells form from mES cells in response to l-proline uptake through the transporter Slc38a2. Using inhibitors of cell signaling we have shown that Src family kinases, p38 MAPK, ERK1/2 and GSK3β are required for the transition between mES and EPL cells...
2016: PloS One
Xiaobing Pei, Chuanbo Chen, Yue Guan
In this paper, we propose a novel graph-based semisupervised learning framework, called joint sparse representation and embedding propagation learning (JSREPL). The idea of JSREPL is to join EPL with sparse representation to perform label propagation. Like most of graph-based semisupervised propagation learning algorithms, JSREPL also constructs weights graph matrix from given data. Different from classical approaches which build weights graph matrix and estimate the labels of unlabeled data in sequence, JSREPL simultaneously builds weights graph matrix and estimates the labels of unlabeled data...
September 28, 2016: IEEE Transactions on Neural Networks and Learning Systems
B Bickert, T Kremer, U Kneser
Closed tendon ruptures of the thumb that require secondary reconstruction can affect the extensor pollicis longus (EPL), extensor pollicis brevis (EPB) and flexor pollicis longus (FPL) tendons. Treatment of rupture of the EPB tendon consists of refixation to the bone and temporary transfixation of the joint. In the case of preexisting or posttraumatic arthrosis, definitive arthrodesis of the thumb is the best procedure. Closed ruptures of the EPL and FPL tendons at the wrist joint cannot be treated by direct tendon suture...
September 30, 2016: Der Unfallchirurg
Xiaomei Dai, Qianqian Guo, Yu Zhao, Peng Zhang, Tianqi Zhang, Xinge Zhang, Chaoxing Li
With the increased prevalence of antibiotic-resistant bacteria infections, there is a pressed need for innovative antimicrobial agent. Here, we report a benign ε-polylysine/silver nanoparticle nanocomposite (EPL-g-butyl@AgNPs) with polyvalent and synergistic antibacterial effects. EPL-g-butyl@AgNPs exhibited good stability in aqueous solution and effective antibacterial activity against both Gram-negative (P. aeruginosa) and Gram-positive (S. aureus) bacteria without emergence of bacterial resistance. Importantly, the nanocomposites eradicated the antibiotic-resistant bacteria without toxicity to mammalian cells...
October 5, 2016: ACS Applied Materials & Interfaces
Kirstin Aschbacher, Jeffrey M Milush, Amanda Gilbert, Carlos Almeida, Elizabeth Sinclair, Lorrie Epling, S Marlene Grenon, Elysa J Marco, Eli Puterman, Elissa Epel
BACKGROUND: Chronic psychological stress is a risk factor for cardiovascular disease and mortality. Circulating hematopoietic progenitor cells (CPCs) maintain vascular homeostasis, correlate with preclinical atherosclerosis, and prospectively predict cardiovascular events. We hypothesize that 1) chronic caregiving stress is related to reduced CPC number, and 2) this may be explained in part by negative interactions within the family. METHODS: We investigated levels of stress and CPCs in 68 healthy mothers - 31 of these had children with an autism spectrum disorder (M-ASD) and 37 had neurotypical children (M-NT)...
September 10, 2016: Brain, Behavior, and Immunity
Jorge Rodriguez-Purata, Julian Gingold, Joseph Lee, Michael Whitehouse, Richard Slifkin, Christine Briton-Jones, Alan Copperman, Benjamin Sandler
STUDY QUESTION: Do the reproductive outcomes from the transfer of fully hatched (FH) blastocysts differ from those of not fully hatched (NFH) blastocysts? SUMMARY ANSWER: Biochemical pregnancy rate (BPR), implantation rate (IR), live birth rate (LBR) and early pregnancy loss (EPL) rate are similar in FH and NFH single euploid blastocyst embryo transfers. WHAT IS KNOWN ALREADY: The use of extended culture and PGS often leads to transfer of an embryo that is well developed and frequently FH from the zona pellucida...
September 12, 2016: Human Reproduction
X Huang, T Huang, W Deng, G Yan, H Qiu, Y Huang, S Ke, Y Hou, Y Zhang, Z Zhang, S Fang, L Zhou, B Yang, J Ren, H Ai, L Huang
Prevalence of swine respiratory disease causes poor growth performance in and serious economic losses to the swine industry. In this study, a categorical trait of enzootic pneumonia-like (EPL) score representing the infection gradient of a respiratory disease, more likely enzootic pneumonia, was recorded in a herd of 332 Chinese Erhualian pigs. According to their EPL scores and the disease effect on weight gains, these pigs were grouped into controls (EPL score ≤ 1) and cases (EPL score > 1). The weight gain of the case group reduced significantly at days 180, 210, 240 and 300 as compared to the control group...
September 12, 2016: Animal Genetics
Yan Ouyang, Yueqiu Tan, Yan Yi, Fei Gong, Ge Lin, Xihong Li, Guangxiu Lu
STUDY QUESTION: Do early pregnancy losses (EPLs) with and without embryos differ in chromosomal distributions? SUMMARY ANSWER: The chromosomal abnormality rate is significantly higher in miscarriages with embryos than without after in vitro fertilization (IVF)-embryo transfer. WHAT IS KNOWN ALREADY: Chromosomal abnormalities are the main causes of EPLs, the rate of which is up to 24-30% in the IVF population. Little research has been conducted on the correlations between the chromosomal distributions of EPL and the existence of an embryo or with the postmortem embryonic pole length, and the existing results have been inconsistent...
October 2016: Human Reproduction
Emily M Mader, Chester H Fox, John W Epling, Gary J Noronha, Carlos M Swanger, Angela M Wisniewski, Karen Vitale, Amanda L Norton, Christopher P Morley
BACKGROUND: Despite the current evidence of preventive screening effectiveness, rates of breast, cervical, and colorectal cancer in the United States fall below national targets. We evaluated the efficacy and feasibility of combining practice facilitation and academic detailing quality improvement (QI) strategies to help primary care practices increase breast, cervical, and colorectal cancer screening among patients. METHODS: Practices received a 1-hour academic detailing session addressing current cancer screening guidelines and best practices, followed by 6 months of practice facilitation to implement evidence-based interventions aimed at increasing patient screening...
September 2016: Journal of the American Board of Family Medicine: JABFM
Xian-Ling Zeng, Ya-Fei Zhang, Quan Tian, Yan Xue, Rui-Fang An
AIM: The aim of the study is to evaluate the effects of metformin on pregnancy outcomes in women with polycystic ovary syndrome (PCOS). METHODS: We searched electronic databases and bibliographies of relevant papers to identify studies comparing the pregnancy outcomes in the metformin group with those in the placebo or blank control group. Then, we did this meta-analysis based on the PRISMA guidelines. The primary outcomes included early pregnancy loss (EPL), preterm delivery, term delivery, and gestational diabetes mellitus (GDM)...
September 2016: Medicine (Baltimore)
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Linda Bauman, Karina W Davidson, John W Epling, Francisco A R García, Jessica Herzstein, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, William R Phillips, Maureen G Phipps, Michael P Pignone
IMPORTANCE: Tuberculosis remains an important preventable disease in the United States. An effective strategy for reducing the transmission, morbidity, and mortality of active disease is the identification and treatment of latent tuberculosis infection (LTBI) to prevent progression to active disease. OBJECTIVE: To issue a current US Preventive Services Task Force (USPSTF) recommendation on screening for LTBI. EVIDENCE REVIEW: The USPSTF reviewed the evidence on screening for LTBI in asymptomatic adults seen in primary care, including evidence dating from the inception of searched databases...
September 6, 2016: JAMA: the Journal of the American Medical Association
K R Perryman, H V Masey O'Neill, M R Bedford, W A Dozier
An experiment was conducted to determine the effects of Ca feeding strategy and dietary adaptation period length (DAPL) on the apparent ileal P digestibility (AIPD) and apparent ileal myo-inositol 1,2,3,4,5,6 hexakis dihydrogen phosphate (IP6) hydrolysis (AIIP6H) of corn titration diets. Nine hundred sixty Ross × Ross 708 male broiler chicks were placed into 80 battery cages. Broilers received a common starter diet until 18 d of age and then were fed one of 10 experimental treatments from 19 to 21 d of age...
September 2, 2016: Poultry Science
Longwen Huang, Kevin Ung, Isabella Garcia, Kathleen B Quast, Keith Cordiner, Peter Saggau, Benjamin R Arenkiel
UNLABELLED: Elucidating patterns of functional synaptic connectivity and deciphering mechanisms of how plasticity influences such connectivity is essential toward understanding brain function. In the mouse olfactory bulb (OB), principal neurons (mitral/tufted cells) make reciprocal connections with local inhibitory interneurons, including granule cells (GCs) and external plexiform layer (EPL) interneurons. Our current understanding of the functional connectivity between these cell types, as well as their experience-dependent plasticity, remains incomplete...
August 24, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Karina W Davidson, John W Epling, Francisco A R García, Matthew W Gillman, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Michael LeFevre, Carol M Mangione, Douglas K Owens, William R Phillips, Maureen G Phipps, Michael P Pignone, Albert L Siu
IMPORTANCE: Elevations in levels of total, low-density lipoprotein, and non-high-density lipoprotein cholesterol; lower levels of high-density lipoprotein cholesterol; and, to a lesser extent, elevated triglyceride levels are associated with risk of cardiovascular disease in adults. OBJECTIVE: To update the 2007 US Preventive Services Task Force (USPSTF) recommendation on screening for lipid disorders in children, adolescents, and young adults. EVIDENCE REVIEW: The USPSTF reviewed the evidence on screening for lipid disorders in children and adolescents 20 years or younger--1 review focused on screening for heterozygous familial hypercholesterolemia, and 1 review focused on screening for multifactorial dyslipidemia...
August 9, 2016: JAMA: the Journal of the American Medical Association
Mintallah Haider, Najla Al Ali, Eric Padron, Pearlie Epling-Burnette, Jeffrey Lancet, Alan List, Rami Komrokji
BACKGROUND: Immunosuppressive therapy (IST) in low risk myelodysplastic syndrome (MDS) is known to achieve hematologic improvement but remains an underutilized treatment option. We report our experience using antithymocyte globulin (ATG) and cyclosporine A (CSA) to explore clinical predictive response factors. PATIENTS AND METHODS: Patients treated with IST identified in the Moffitt Cancer Center MDS database were analyzed using baseline data, IST details, and response rates...
August 2016: Clinical Lymphoma, Myeloma & Leukemia
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Karina W Davidson, Mark Ebell, John W Epling, Francisco A R García, Matthew W Gillman, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, William R Phillips, Maureen G Phipps, Michael P Pignone, Albert L Siu
IMPORTANCE: Basal and squamous cell carcinoma are the most common types of cancer in the United States and represent the vast majority of all cases of skin cancer; however, they rarely result in death or substantial morbidity, whereas melanoma skin cancer has notably higher mortality rates. In 2016, an estimated 76,400 US men and women will develop melanoma and 10,100 will die from the disease. OBJECTIVE: To update the 2009 US Preventive Services Task Force (USPSTF) recommendation on screening for skin cancer...
July 26, 2016: JAMA: the Journal of the American Medical Association
Robert J Strauch, Carolyn B Strauch
We are reporting a case of extensor pollicis longus tendon rupture which did not require tendon transfer owing to the ability of the intact extensor pollicis brevis (EPB) to fully hyperextend the thumb interphalangeal joint. The thumb metacarpophalangeal joint was also able to be fully actively extended by the EPB. Previous anatomical studies have demonstrated that the insertional anatomy of the EPB tendon is highly variable and sometimes inserts onto the extensor hood and distal phalanx, which is likely the mechanism by which our patient was able to fully extend the thumb interphalangeal joint...
July 18, 2016: World Journal of Orthopedics
Ravi M Dissanayake, Peter Moore, Gregory M McCarten
We present the case of a closed traumatic disruption of the thumb radial sagittal band (RSB) that sonographically mimicked rupture of the extensor pollicis longus (EPL) tendon. This injury was treated with primary repair of the RSB and lead to a good functional outcome for the patient. This case report highlights how early recognition and treatment can lead to a good functional outcome.
June 2016: J Hand Surg Asian Pac Vol
Rémi Fromentin, Wendy Bakeman, Mariam B Lawani, Gabriela Khoury, Wendy Hartogensis, Sandrina DaFonseca, Marisela Killian, Lorrie Epling, Rebecca Hoh, Elizabeth Sinclair, Frederick M Hecht, Peter Bacchetti, Steven G Deeks, Sharon R Lewin, Rafick-Pierre Sékaly, Nicolas Chomont
HIV persists in a small pool of latently infected cells despite antiretroviral therapy (ART). Identifying cellular markers expressed at the surface of these cells may lead to novel therapeutic strategies to reduce the size of the HIV reservoir. We hypothesized that CD4+ T cells expressing immune checkpoint molecules would be enriched in HIV-infected cells in individuals receiving suppressive ART. Expression levels of 7 immune checkpoint molecules (PD-1, CTLA-4, LAG-3, TIGIT, TIM-3, CD160 and 2B4) as well as 4 markers of HIV persistence (integrated and total HIV DNA, 2-LTR circles and cell-associated unspliced HIV RNA) were measured in PBMCs from 48 virally suppressed individuals...
July 2016: PLoS Pathogens
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