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Zhenqiu Liu, Qiwen Fang, Jialu Zuo, Jun Wang, Yue Chen, Veenu Minhas, Charles Wood, Na He, Tiejun Zhang
Men who have sex with men (MSM) are an important risk group for human immunodeficiency virus (HIV) and at high risk of herpesvirus infection. However, limited information on epidemiologic patterns of HHV8 and HSV2 among MSM is available in mainland China. A cross-sectional study of 486 participants was performed in Shanghai, China from January 2013-December 2014 to explore epidemiologic features of HHV8 and HSV2 among MSM. Serum samples were collected and tested for HHV8 by immunofluoresence assay and HSV2 antibodies by ELISA...
October 21, 2016: Journal of Medical Virology
Giampiera Bulfone, Roberta Fida, Valerio Ghezzi, Loreana Macale, Alessandro Sili, Rosaria Alvaro, Alvisa Palese
Student perceptions of self-efficacy (SE) prevent stress and burnout and improve engagement in nursing education, thus increasing learning outcomes. The study aims were to (1) validate a scale measuring nursing SE in psychomotor skills (NSE-PS), (2) describe changes in NSE-PS over time, and (3) explore NSE-PS correlations with burnout and engagement. A total of 1117 nursing students participated. A significant increase in the NSE-PS scores over the years has emerged; in addition, all NSE-PS dimensions were correlated negatively with burnout and positively with engagement...
November 2016: Nurse Educator
Miao Liu, Ling Zhou, Baiyu Zhang, Minhong He, Xiaoying Dong, Xiaojun Lin, Chunhong Jia, Xiaochun Bai, Yifan Dai, Yongchun Su, Zhipeng Zou, Hang Zheng
Although epidemiological and preclinical studies have shown the preventative effect of n-3 polyunsaturated fatty acids (PUFAs) on colorectal cancer (CRC), the underlying molecular mechanisms are not clear. In this study, we revealed that elevation of n-3/n-6 PUFAs ratio suppress the mechanistic target of rapamycin complex 1 (mTORC1) and prevent colorectal tumorigenesis. The transgenic expression of fat-1, a desaturase that catalyzes the conversion of n-6 to n-3 PUFAs and produces n-3 PUFAs endogenously, repressed colorectal tumor cell growth and remarkably reduced tumor burden, and alleviated anemia as well as hyperlipidemia in APCMin/+ (adenomatous polyposis coli) mice, a classic CRC model that best simulates most clinical cases...
October 19, 2016: Oncotarget
Shih-Hsin Tu, Yin-Ching Lin, Chi-Cheng Huang, Po-Sheng Yang, Hui-Wen Chang, Chien-Hsi Chang, Chih-Hsiung Wu, Li-Ching Chen, Yuan-Soon Ho
We previously demonstrated that the activation of α9-nicotinic acetylcholine receptor (α9-nAchR) signaling by smoking promotes breast cancer formation. To investigate the downstream signaling molecules involved in α9-nAChR-induced breast tumorigenesis, we used real-time polymerase chain reactions and Western blotting to assess expression of protein phosphatase Mg2+/Mn2+ dependent 1F (PPM1F), a Ser/Thr protein phosphatase, in human breast cancer samples (n=167). Additionally, stable PPM1F-knockdown and -overexpressing cell lines were established to evaluate the function of PPM1F...
October 18, 2016: Oncotarget
Yong-Xia Wang, Yan-Ru Chen, Shan-Shan Liu, Ya-Ping Ye, Hong-Li Jiao, Shu-Yang Wang, Zhi-Yuan Xiao, Wen-Ting Wei, Jun-Feng Qiu, Li Liang, Wen-Ting Liao, Yan-Qing Ding
Colorectal cancer (CRC) is the third most common cancer worldwide. Metastatic progression is a primary factor contributing to lethality of CRC patients. However, the molecular mechanisms forming early local invasion and distant metastatic colonies are still unclear and the present therapeutic approaches for CRC are unsatisfactory. Therefore, novel therapies targeting metastatic invasion that could prevent tumor spreading and recurrence are urgently needed. Our study showed that the decrease of miR-384 was found in 83...
October 17, 2016: Oncotarget
Yu Cheng, Srinivasa Rao Avula, Wei-Wei Gao, Dinesh Addla, Vijai Kumar Reddy Tangadanchu, Ling Zhang, Jian-Mei Lin, Cheng-He Zhou
A series of new potentially multi-targeting antimicrobial 2-aminothiazolyl quinolones were designed, synthesized and characterized by (1)H NMR, (13)C NMR, IR, MS and HRMS spectra. Bioactive assay manifested that some of the prepared compounds showed moderate to good antibacterial and antifungal activities. Noticeably, compound 10f could effectively inhibit the growth of B. typhi and MRSA with MIC values of 1 and 8 μg/mL, respectively. Experimental results revealed that compound 10f was membrane-active and had the ability to rapidly kill the tested strains and effectively prevent the development of bacterial resistance...
October 7, 2016: European Journal of Medicinal Chemistry
M J Tao, W Al-Jundi, G Roche-Nagle
INTRODUCTION: Popliteal artery aneurysms (PAA) are the most prevalent form of peripheral arterial aneurysms. Greater saphenous vein grafts and endoaneurysmorrhaphy remains the mainstay therapy for open repair of PAA. True aneurysmal degeneration of lower extremity infrainguinal autologous vein grafts are relatively rare and its etiology is not completely understood. CASE PRESENTATION: We present a case of a 57-year-old man with recurrent autologous venous graft aneurysmal dilatations following a surgical popliteal artery aneurysm repair...
October 8, 2016: International Journal of Surgery Case Reports
Marit Hegg Reime, Tone Johnsgaard, Fred Ivan Kvam, Morten Aarflot, Marit Breivik, Janecke Merethe Engeberg, Guttorm Brattebø
Poor teamwork is an important factor in the occurrence of critical incidents because of a lack of non-technical skills. Team training can be a key to prevent these incidents. The purpose of this study was to explore the experience of nursing and medical students after a simulation-based interprofessional team training (SBITT) course and its impact on professional and patient safety practices, using a concurrent mixed-method design. The participants (n = 262) were organized into 44 interprofessional teams...
October 13, 2016: Nurse Education in Practice
Laura M Seske, William C Ralston, Louis J Muglia, James M Greenberg
Infant mortality rate is generally regarded as a fundamental indicator of population health and is often used to validate public health interventions. Hamilton County, Ohio, has one of the highest rates in the nation. Most deaths that do not occur in the hospital fall under the jurisdiction of a coroner/medical examiner. We reviewed all infant deaths evaluated by the Hamilton County Coroner from 2006 to 2013 in order to identify opportunities for public health interventions. We predicted that the majority of these infant deaths were unintentional, but preventable...
October 17, 2016: Journal of Forensic and Legal Medicine
T Lavender, S Wakasiaka, L McGowan, M Moraa, J Omari, W Khisa
AIM: this study aimed to gain understanding of the views of community members in relation to obstetric fistula. DESIGN AND METHOD: a qualitative, grounded theory approach was adopted. Data were collected using in-depth interviews with 45 community members. The constant comparison method enabled generation of codes and subsequent conceptualisations, from the data. SETTING: participants were from communities served by two hospitals in Kenya; Kisii and Kenyatta...
October 4, 2016: Midwifery
Cremildo João Baptista, Ines Dourado, Sandra Brignol, Tarcísio de Matos Andrade, Francisco Inácio Bastos
BACKGROUND: The burden of sexually transmitted infections (STIs), such as syphilis, is higher in low-income countries, with serious consequences and profound impact on sexual and reproductive health and human immunodeficiency virus (HIV) spread. Syphilis prevalence tend to be higher among people who misuse drugs than in the general population. OBJECTIVE: To assess syphilis and associated factors among polydrug users (PDU) in the city of Salvador, Northeast Brazil...
October 18, 2016: International Journal on Drug Policy
Jane Desborough, Nasser Bagheri, Michelle Banfield, Jane Mills, Christine Phillips, Rosemary Korda
BACKGROUND: The numbers of nurses in general practice in Australia tripled between 2004 and 2012. However, evidence on whether nursing care in general practice improves patient outcomes is scarce. Although patient satisfaction and enablement have been examined extensively as outcomes of general practitioner care, there is little research into these outcomes from nursing care in general practice. The aim of this study was to examine the relationships between specific general practice characteristics and nurse consultation characteristics, and patient satisfaction and enablement METHODS: A mixed methods study examined a cross-section of patients from 21 general practices in the Australian Capital Territory...
October 17, 2016: International Journal of Nursing Studies
Chong Chen, Kun Liu, Yupeng Xu, Pengwei Zhang, Yan Suo, Yi Lu, Wenyuan Zhang, Li Su, Qing Gu, Huamao Wang, Jianren Gu, Zonghai Li, Xun Xu
Anti-vascular endothelial growth factor (VEGF) therapies are widely used for the treatment of neovascular fundus diseases such as diabetic retinopathy. However, these agents need to be injected intravitreally, because their strong hydrophilicity and high molecular weight prevent them from penetrating cell membranes and complex tissue barriers. Moreover, the repeated injections that are required can cause infection and tissue injury. In this study, we used in vivo-directed evolution phage display technology to identify a novel dodecapeptide, named CC12, with the ability to penetrate the ocular barrier in a noninvasive (via conjunctival sac instillation) or minimally invasive (via retrobulbar injection) manner...
September 30, 2016: Biomaterials
Wei Huang, Ying-Jie Yang, Hong Hu, Shi-Bao Zhang
Low temperature associated with high light can induce photoinhibition of photosystem I (PSI) and photosystem II (PSII). However, the photosynthetic electron flow and specific photoprotective responses in alpine evergreen broad-leaf plants in winter is unclear. We analyzed seasonal changes in PSI and PSII activities, and energy quenching in PSI and PSII in three alpine broad-leaf tree species, Quercus guyavifolia (Fagaceae), Rhododendron decorum (Ericaceae), Euonymus tingens (Celastraceae). In winter, PSII activity remained stable in Q...
October 13, 2016: Journal of Photochemistry and Photobiology. B, Biology
Troy A Skwor, Stephanie Klemm, Hanyu Zhang, Brianna Schardt, Stephanie Blaszczyk, Matthew A Bork
Increasing rates of antibiotic resistance coupled with the lack of novel antibiotics threatens proper clinical treatment and jeopardizes their use in prevention. A photodynamic approach appears to be an innovative treatment option, even for multi-drug resistant strains of bacteria. Three components are utilized in photodynamic inactivation: a photosensitizer, light source, and oxygen. Variations in photosensitizers strongly influence microbial binding and bactericidal activity. In this study, four different cationic metalloporphyrins (Cu(2+), Fe(2+), Pd(2+), Zn(2+)) were compared to the free-base ligand 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin regarding their electronic properties and generation of reactive oxygen species upon subsequent 405nm violet-blue irradiation...
October 15, 2016: Journal of Photochemistry and Photobiology. B, Biology
Nadine Ijaz, Heather Boon, Linda Muzzin, Sandy Welsh
Several United Nations bodies have advised countries to actively preserve Traditional Medicine (TM) knowledge and prevent its misappropriation in regulatory structures. To help advance decision-making around this complex regulatory issue, we examine the relationship between risk discourse, epistemology and policy. This study presents a critical, postcolonial analysis of divergent risk discourses elaborated in two contrasting Ontario (Canada) government reports preceding that jurisdiction's regulation of acupuncture, the world's most widely practised TM therapy...
August 24, 2016: Social Science & Medicine
Katharina Grundler, Raffaela Rotter, Sloane Tilley, Joachim Pircher, Thomas Czermak, Mustaf Yakac, Erik Gaitzsch, Steffen Massberg, Florian Krötz, Hae-Young Sohn, Ulrich Pohl, Hanna Mannell, Bjoern F Kraemer
INTRODUCTION: Platelets possess critical hemostatic functions in the system of thrombosis and hemostasis, which can be affected by a multitude of external factors. Previous research has shown that platelets have the capacity to synthesize proteins de novo and more recently a multicatalytic protein complex, the proteasome, has been discovered in platelets. Due to its vital function for cellular integrity, the proteasome has become a therapeutic target for anti-proliferative drug therapies in cancer...
October 13, 2016: Thrombosis Research
Daniel Lordelo San Martin, Dislene Nascimento Dos Santos, Abrahão Fontes Baptista
OBJECTIVE: To describe the pain in patients infected with human T-cell lymphotropic virus type 1, clinically and epidemiologically. METHODS: This systematic review was based on The PRISMA Statement. Four reviewers searched PUBMED, SciELO, LILACS and BIREME for data from observational studies and clinical trials (n≥30) regarding pain prevalence, characteristics, and associated factors in patients with human T-cell lymphotropic virus type 1. No limits on publication date or language were established...
October 18, 2016: Brazilian Journal of Infectious Diseases
Raffaela Torggler, Daniel Papinski, Thorsten Brach, Levent Bas, Martina Schuschnig, Thaddäus Pfaffenwimmer, Sabrina Rohringer, Tamara Matzhold, David Schweida, Andrea Brezovich, Claudine Kraft
Autophagy is a potent cellular degradation pathway, and its activation needs to be tightly controlled. Cargo receptors mediate selectivity during autophagy by bringing cargo to the scaffold protein Atg11 and, in turn, to the autophagic machinery, including the central autophagy kinase Atg1. Here we show how selective autophagy is tightly regulated in space and time to prevent aberrant Atg1 kinase activation and autophagy induction. We established an induced bypass approach (iPass) that combines genetic deletion with chemically induced dimerization to evaluate the roles of Atg13 and cargo receptors in Atg1 kinase activation and selective autophagy progression...
October 20, 2016: Molecular Cell
Tianwei E Zhou, José C Rivera, Vikrant K Bhosle, Isabelle Lahaie, Zhuo Shao, Houda Tahiri, Tang Zhu, Anna Polosa, Allison Dorfman, Alexandra Beaudry-Richard, Santiago Costantino, Gregory A Lodygensky, Pierre Lachapelle, Sylvain Chemtob
Retinopathy of prematurity (ROP), the most common cause of blindness in premature infants, has long been associated with inner retinal alterations. However, recent studies reveal outer retinal dysfunctions in patients formerly afflicted with ROP. We have recently demonstrated that choroidal involution occurs early in retinopathy. Herein, we investigated the mechanisms underlying the choroidal involution and its long-term impact on retinal function. An oxygen-induced retinopathy (OIR) model was used. In vitro and ex vivo assays were applied to evaluate cytotoxic effects of IL-1β on choroidal endothelium...
October 18, 2016: American Journal of Pathology
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