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Xiaonan L Liu, Deborah H Tan, Lynne M Reder
Theoretical explanations of the testing effect (why people learn better from a test than a re-study) have largely focused on either the benefit of attempting to retrieve the answer or on the benefit of re-encoding the queried information after a successful retrieval. While a less parsimonious account, prior neuroimaging evidence has led us to postulate that both of these processes contribute to the benefit of testing over re-study. To provide further empirical support for our position, we recorded ERPs while subjects attempted to recall the second word of a pair when cued with the first...
February 20, 2018: Neuropsychologia
Molly E Waring, Katie Baker, Anthony Peluso, Christine N May, Sherry L Pagoto
Twitter may be useful for learning about indoor tanning behavior and attitudes. The objective of this study was to analyze the content of tweets about indoor tanning to determine the extent to which tweets are posted by people who tan, and to characterize the topics of tweets. We extracted 4,691 unique tweets from Twitter using the terms "tanning bed" or "tanning salon" over 7 days in March 2016. We content analyzed a random selection of 1,000 tweets, double-coding 20% of tweets (κ = 0...
February 21, 2018: Translational Behavioral Medicine
Paige M Kulling, Kristine C Olson, Cait E Hamele, Mariella F Toro, Su-Fern Tan, David J Feith, Thomas P Loughran
T cell large granular lymphocyte leukemia (T-LGLL) is a rare incurable disease that is characterized by defective apoptosis of cytotoxic CD8+ T cells. Chronic activation of the Janus Kinase-Signal Transducer and Activator of Transcription (JAK-STAT) pathway is a hallmark of T-LGLL. One manifestation is the constitutive phosphorylation of tyrosine 701 of STAT1 (p-STAT1). T-LGLL patients also exhibit elevated serum levels of the STAT1 activator, interferon-γ (IFN-γ), thus contributing to an inflammatory environment...
2018: PloS One
Zhiqian Li, Lang You, Dong Yan, Anthony A James, Yongping Huang, Anjiang Tan
Sex determination is a hierarchically-regulated process with high diversity in different organisms including insects. The W chromosome-derived Fem piRNA has been identified as the primary sex determination factor in the lepidopteran insect, Bombyx mori, revealing a distinctive piRNA-mediated sex determination pathway. However, the comprehensive mechanism of silkworm sex determination is still poorly understood. We show here that the silkworm PIWI protein BmSiwi, but not BmAgo3, is essential for silkworm sex determination...
February 23, 2018: PLoS Genetics
Julia Geynisman-Tan, Oluwateniola Brown, Margaret Mueller, Katarzyna Bochenska, Sarah Collins, Christina Lewicky-Gaupp, Kimberly Kenton
OBJECTIVES: This study aimed to determine if personnel handoffs or number of learners in the operating room (OR) are associated with longer OR times in women having pelvic organ prolapse surgery. METHODS: A retrospective review of women undergoing prolapse surgery in 2016 was conducted. Demographics; procedure; OR, anesthetic, and surgical time; number of handoffs between anesthesia members, circulators, and surgical technologies; and number of learners were abstracted...
March 2018: Female Pelvic Medicine & Reconstructive Surgery
Xiaowen Wang, Guangping Guo, Xiumin Liang, Ling Zhou, Jiarui Zheng, Shaoqin Li, Hongzhuan Luo, Yuyan Yang, Liyuan Yang, Ting Tan, Jun Yu, Lin Lu
BACKGROUND: Health utility (HU) is essential to understanding the effects of HIV infection as a chronic disease. No HU data on pregnant women living with human immunodeficiency virus (HIV) in Yunnan Province are available. This study aims to construct a database on HU and explore factors associated with HU by pregnant women living with HIV/acquired immunodeficiency syndrome (AIDS) who were enrolled in the Prevention of mother-to-child transmission of HIV (PMTCT) programs in Yunnan Province...
July 3, 2017: Value in Health Regional Issues
Ming-Hao Hu, Yu-Qing Wang, Ze-Yi Yu, Lu-Ni Hu, Tian-Miao Ou, Shuo-Bin Chen, Zhi-Shu Huang, Jia-Heng Tan
Downregulating transcription of the oncogene c-MYC is a feasible strategy for cancer therapy. Stabilization of the G-quadruplex structure present in the c-MYC promoter can suppress c-MYC transcription. Thus far, several ligands targeting this structure have been developed. However, most have shown no selectivity for the c-MYC G-quadruplex over other G-quadruplexes, leading to uncertain side effects. In this study, through structural modification of aryl-substituted imidazole/carbazole conjugates, a brand-new, four-leaf clover-like ligand called IZCZ-3 was found to preferentially bind and stabilize the c-MYC G-quadruplex...
February 23, 2018: Journal of Medicinal Chemistry
Suha Kaaki, Biniam Kidane, Sadeesh Srinathan, Lawrence Tan, Gordon Buduhan
BACKGROUND: Histologic confirmation of malignancy has been indicated for a suspicious lung nodule prior to resection. The purpose of this study was to determine whether or not foregoing routine tissue biopsy increased the incidence of lobectomy for benign lesions. METHODS: Retrospective cohort of 256 patients who underwent thoracoscopic or open lobectomy for a confirmed or suspected pulmonary malignancy, with or without tissue diagnosis. Clinical, radiographic, and pathologic data were compared...
February 23, 2018: Journal of Surgical Oncology
Tong Che, Yu-Qing Wang, Zhou-Li Huang, Jia-Heng Tan, Zhi-Shu Huang, Shuo-Bin Chen
G-quadruplexes are four-stranded nucleic acid secondary structures that are formed in guanine-rich sequences. G-quadruplexes are widely distributed in functional regions of the human genome and transcriptome, such as human telomeres, oncogene promoter regions, replication initiation sites, and untranslated regions. Many G-quadruplex-forming sequences are found to be associated with cancer, and thus, these non-canonical nucleic acid structures are considered to be attractive molecular targets for cancer therapeutics with novel mechanisms of action...
February 23, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Jie Tan, Xiaoming Zhang, Wenguan Liu, Xiujie He, Mingwen Zhao
Using non-equilibrium Green's function formalism combined with density functional theory (DFT) calculations, we investigate the significant changes in electronic and transport properties of triangle graphene spirals (TGSs) in response to external strain. Tunable negative differential resistance (NDR) behavior is predicted. The NDR bias region, NDR width, and peak-to-valley ratio can be well tuned by external strain. Further analysis shows that these peculiar properties can be attributed to the dispersion widths of the pz orbitals...
February 23, 2018: Nanotechnology
Ling Tan, Yerong Hu, Yongguang Tao, Bin Wang, Jun Xiao, Zhenjie Tang, Ting Lu, Hao Tang
BACKGROUND: To identify whether RET is a potential target for NSCLC treatment, we examined the status of the RET gene in 631 early and mid stage NSCLC cases from south central China. METHODS: RET expression was identified by Western blot. RET-positive expression samples were verified by immunohistochemistry. RET gene mutation, copy number variation, and rearrangement were analyzed by DNA Sanger sequencing, TaqMan copy number assays, and reverse transcription-PCR...
February 23, 2018: Thoracic Cancer
Zhigang Tan, Jizong Zhao, Yugang Jiang
Glioma is the most common intracranial malignant tumors, accounting for about 40% of intracranial tumors. Primary or secondary drug resistance is one of the main reasons for the failure of treatment. The oncogenic or tumor-suppressive roles of miR-634 have been revealed in different types of cancer. However, the role of miR-634 in glioma remains unknown and whether miR-634 could sensitize glioma cells to temozolomide also is unclear. Here, we aim to investigate the biological function of miR-634 and the possible mechanisms in glioma...
February 23, 2018: Cancer Medicine
Juan Tan, Mei Liu, Jun-Ying Zhang, Yue-Liang Yao, Yan-Xia Wang, Yong Lin, Kang Song, Jiao Tan, Jin-Rong Wu, You-Hong Cui, Yan Wang, Xiu-Wu Bian
Capillary morphogenesis protein 2 (CMG2) was originally identified through its participation in capillary morphogenesis, and subsequently identified as the second receptor for anthrax toxin (ANTXR2). Although tumor-associated functions of CMG2 have also been reported, the clinical significance and functional mechanism of CMG2 in glioma remain to be elucidated. We assessed the clinicopathological relevance of CMG2 in a cohort of 48 glioma patients as well as through public glioma databases, and explored the function of CMG2 using glioblastoma (GBM) models in vitro and in vivo...
February 23, 2018: Journal of Pathology
Jung Won Kim, John Torous, Steven Chan, Shih Yee-Marie Tan Gipson
No abstract text is available yet for this article.
February 22, 2018: Academic Psychiatry
Arvind Sehgal, Kenneth Tan, Peter Ferguson
The objectives of this study were to characterize peri-operative echocardiographic (ECHO) assessments of right ventricular (RV) function and pulmonary hypertension (PH) and ascertain correlation with clinical outcomes in infants with left Bochdalek's hernia (LBH). This retrospective study in a quaternary neonatal intensive care unit involved electronic database search for infants with LBH during January 2009 to July 2017. Demographics, outcomes, and ECHO parameters were accessed from archived databases. Thirty-one infants with mean gestational age and birthweight (BW) 38...
February 23, 2018: Pediatric Cardiology
Qing Li, Youwen Wang, Liqin Tan, Jing Leng, Qiongfen Lu, Shuai Tian, Siyuan Shao, Chengming Duan, Wen Li, Huaming Mao
Twelve representative buffalo were selected from 22 suckling calves, 41 weaned calves, 57 reserve bulls and 20 adult bulls for slaughter. The study aims to assess the effect of age on dressing percentage, meat percentage and carcass meat yield and physico-chemical properties of longissimus dorsi and biceps femoris, and to evaluate the correlation between live weight and marbling, backfat thickness, rib eye area. The results showed that the slaughter performance and meat quality of Binlangjang male buffalo showed an obvious change with age...
February 2018: Saudi Journal of Biological Sciences
Fei-Hu Lin, Wei-Ling Zhang, Hong Li, Xiao-Dan Tian, Jie Zhang, Xiao Li, Chuan-Yong Li, Jing-He Tan
Mechanisms for post-maturation oocyte aging (PMOA) are not fully understood, and whether autophagy plays any role in PMOA is unknown. To explore the role of autophagy in PMOA, expression of autophagosomes and effects of the autophagy (macro-autophagy) activity on PMOA were observed in mouse oocytes. Oocyte activation rates and active caspase-3 levels increased continuously from 0 to 18 h of in vitro aging. While levels of microtubule-associated protein light chain 3 (LC3)-II increased up to 12 h and decreased thereafter, contents of p62 decreased from 0 to 12 h and then elevated to basal level by 18 h...
February 22, 2018: Cell Death & Disease
Vivek Behera, Perry Evans, Carolyne J Face, Nicole Hamagami, Laavanya Sankaranarayanan, Cheryl A Keller, Belinda Giardine, Kai Tan, Ross C Hardison, Junwei Shi, Gerd A Blobel
Single-nucleotide variants that underlie phenotypic variation can affect chromatin occupancy of transcription factors (TFs). To delineate determinants of in vivo TF binding and chromatin accessibility, we introduce an approach that compares ChIP-seq and DNase-seq data sets from genetically divergent murine erythroid cell lines. The impact of discriminatory single-nucleotide variants on TF ChIP signal enables definition at single base resolution of in vivo binding characteristics of nuclear factors GATA1, TAL1, and CTCF...
February 22, 2018: Nature Communications
Yan Xu, Jinhui Li, Quanyin Tan, Anesia Lauren Peters, Congren Yang
With the enormous growth in the development and utilization of solar-energy resources, the proliferation of waste solar panels has become problematic. While current research into solar panels has focused on how to improve the efficiency of the production capacity, the dismantling and recycling of end-of-life (EOL) panels are seldom considered, as can be seen, for instance, in the lack of dedicated solar-panel recycling plants. EOL solar-panel recycling can effectively save natural resources and reduce the cost of production...
February 19, 2018: Waste Management
Ka Wing Ma, Tan To Cheung, Wong Hoi She, Kenneth Siu Ho Chok, Albert Chi Yan Chan, Wing Chiu Dai, Simon Hin Yin Tsang, Chung Mau Lo
BACKGROUND/OBJECTIVE: Hepatectomy is the mainstay of curative treatment for intrahepatic cholangiocarcinoma (ICC). The relationship between postoperative complication and oncological outcome has not been defined. We aimed to elucidate the effect of postoperative complication on long-term survival of ICC patients after curative resection. METHODS: Data of consecutive patients who had curative resection for ICC at our hospital from 1991 to 2013 were reviewed. Patients with cholangiohepatocellular carcinoma, metastatic adenocarcinoma or Klaskin tumor were excluded...
February 19, 2018: Asian Journal of Surgery
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