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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
Jianjun Niu, Yong Lin, Pingguo Liu, Yiwen Yu, Chenghao Su, Xiaomin Wang
Long non-coding RNAs are involved with development and progression of cancer, and the advance of microarray technology allows the researchers to investigate the complete expression profile of lncRNA in various kinds of sample. We enrolled 5 male primary HCC cases with chronic HBV infection and the HCC and normal tissues have been obtained during the resection surgery. After total RNA extraction, the lncRNA microarray analysis was conducted to determine the lncRNA and mRNA expression signals. 612 lncRNAs and 1,064 mRNAs were significantly up-regulated in HCC tissue while 656 lncRNAs and 1,532 mRNAs were down-regulated in HCC tissues...
October 18, 2016: Oncotarget
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
Ning Jia, Qinru Sun, Qian Su, Shaokang Dang, Guomin Chen
Substantial evidence has shown that the oxidative damage to hippocampal neurons is associated with the cognitive impairment induced by adverse stimuli during gestation named prenatal stress (PS). Taurine, a conditionally essential amino acid, possesses multiple roles in the brain as a neuromodulator or antioxidant. In this study, to explore the roles of taurine in PS-induced learning and memory impairment, prenatal restraint stress was set up and Morris water maze (MWM) was employed for testing the cognitive function in the one-month-old rat offspring...
October 13, 2016: Redox Biology
Joseph B Fisher, Audrey Horst, Tina Wan, Min-Su Kim, John Auchampach, John Lough
Tat-interactive protein 60 (Tip60), encoded by the Kat5 gene, is a member of the MYST family of acetyltransferases. Cancer biology studies have shown that Tip60 induces the DNA damage response, apoptosis, and cell-cycle inhibition. Although Tip60 is expressed in the myocardium, its role in cardiomyocytes (CMs) is unclear. Earlier studies here showed that application of cardiac stress to globally targeted Kat5+/-haploinsufficient mice resulted in inhibition of apoptosis and activation of the CM cell-cycle, despite only modest reduction of Tip60 protein levels...
2016: PloS One
Te-Chih Wong, Hsiu-Yueh Su, Yu-Tong Chen, Pei-Yu Wu, Hsi-Hsien Chen, Tso-Hsiao Chen, Yung-Ho Hsu, Shwu-Huey Yang
Recent studies have indicated that the ratio of C-reactive protein to albumin (CRP-Alb ratio) is associated with clinical outcomes in patients with disease. We examined the predictive value of this ratio in patients undergoing hemodialysis (HD). In this cross-sectional study, 91 eligible adult HD patients were analyzed, and the correlation between the CRP-Alb ratio and skeletal muscle mass normalized for body weight (SMM/wt; estimated using a bioelectrical impedance analyzer) was investigated. The mean age of the study participants was 54...
2016: PloS One
Eric B Loucks, Yen-Tsung Huang, Golareh Agha, Su Chu, Charles B Eaton, Stephen E Gilman, Stephen L Buka, Karl T Kelsey
OBJECTIVE: Childhood socioeconomic disadvantage is associated with adulthood obesity risk; however, epigenetic mechanisms are poorly understood. This work's objective was to evaluate whether associations of childhood socioeconomic disadvantage with adulthood body mass index (BMI) are mediated by DNA methylation. METHODS: Participants were 141 men and women from the New England Family Study, prospectively followed prenatally through a mean age of 47 years. Epigenomewide DNA methylation was evaluated in peripheral blood and adipose tissue obtained at adulthood, using the Infinium HumanMethylation450K BeadChip...
October 20, 2016: Psychosomatic Medicine
Yongyue Wei, Paula Tejera, Zhaoxi Wang, Ruyang Zhang, Feng Chen, Li Su, Xihong Lin, Ednan K Bajwa, B Taylor Thompson, David C Christiani
RATIONALE: Platelets are believed to contribute to the acute respiratory distress syndrome (ARDS) pathogenesis through inflammatory coagulation pathways. We recently reported that LRRC16A modulates baseline platelet counts to mediate ARDS risk. OBJECTIVES: To examine the role of LRRC16A in ARDS survival and its mediating effect through platelets. METHODS: 414 ARDS cases from intensive care unit (ICU) were recruited which had exome-wide genotyping data, detailed platelet counts and follow-up data during ICU hospitalizaiton...
October 21, 2016: American Journal of Respiratory and Critical Care Medicine
Fengjiao Chen, Qishan Zhu, Yeyun Wang, Wei Cui, Xiaodong Su, Yanguang Li
Increasing attention has now been focused on the photoelectrochemical (PEC) hydrogen evolution as a promising route to transform solar energy into chemical fuels. Silicon is one of the most studied PEC electrode materials, but its performance is still limited by its inherent PEC instability and electrochemical inertness toward water splitting. To achieve significant PEC activities, silicon-based photoelectrodes usually have to be coupled with proper cocatalysts, and thus formed semiconductor/cocatalyst interface represents a critical structural parameter in the rational design of efficient PEC devices...
October 21, 2016: ACS Applied Materials & Interfaces
Jongho Jeon, Ha Eun Shim, Sajid Mushtaq, Mi Hee Choi, Sang Hyun Park, Dae Seong Choi, Beom-Su Jang
Here, we demonstrate a detailed protocol for the radiosynthesis of a (125)I-labeled azide prosthetic group and its application to the efficient radiolabeling of DBCO-group-functionalized gold nanoparticles using a copper-free click reaction. Radioiodination of the stannylated precursor (2) was carried out by using [(125)I]NaI and chloramine T as an oxidant at room temperature for 15 min. After HPLC purification of the crude product, the purified (125)I-labeled azide (1) was obtained with high radiochemical yield (75 ± 10%, n = 8) and excellent radiochemical purity (>99%)...
October 10, 2016: Journal of Visualized Experiments: JoVE
Dong-Eog Kim, Jeong-Yeon Kim, Su-Kyoung Lee, Ju Hee Ryu, Ick Chan Kwon, Cheol-Hee Ahn, Kwangmeyung Kim, Dawid Schellingerhout
Direct thrombus imaging visualizes the root cause of thromboembolic infarction. Being able to image thrombus directly allows far better investigation of stroke than relying on indirect measurements, and will be a potent and robust vascular research tool. We use an optical imaging approach that labels thrombi with a molecular imaging thrombus marker - a Cy5.5 near-infrared fluorescent (NIRF) probe that is covalently linked to the fibrin strands of the thrombus by the fibrin-crosslinking enzymatic action of activated coagulation factor XIIIa during the process of clot maturation...
September 25, 2016: Journal of Visualized Experiments: JoVE
Cheng-Fen Yang, Chien-Ling Su, Tung-Chien Hsu, Shu-Fen Chang, Chien-Chou Lin, Jason C Huang, Pei-Yun Shu
We identified 78 imported chikungunya cases in Taiwan during 2006-2014. Sixty-six (84.6%) cases were initially suspected to be dengue, which indicates the necessity for laboratory diagnostics in differentiation between dengue and chikungunya. Results also emphasize the need for active surveillance of febrile illness at points of entry.
November 2016: Emerging Infectious Diseases
Fei Pan, Jian Zhang, Hao-Long Chen, Yen-Hsun Su, Yen-Hao Su, Weng-Sing Hwang
Thermodynamic calculation has been applied to predict the inclusion formation in molten SS400 steel. When the Cerium addition in liquid iron is 70 ppm and the initial Oxygen and Sulphur are both 110 ppm, the formation of oxides containing Cerium would experience the transformation from Ce2O3 to CeO2 and also the formation of sulfides containing Cerium would experience the transformation from CeS to Ce2S3 and then to Ce3S4. Below 2000 K the most thermodynamic stable matter is CeO2 and the less thermodynamic stable inclusion is CeS...
October 21, 2016: Scientific Reports
Martin Leder, Christopher Grossert, Lukas Sitta, Maximilian Genske, Achim Rosch, Martin Weitz
To describe a mobile defect in polyacetylene chains, Su, Schrieffer and Heeger formulated a model assuming two degenerate energy configurations that are characterized by two different topological phases. An immediate consequence was the emergence of a soliton-type edge state located at the boundary between two regions of different configurations. Besides giving first insights in the electrical properties of polyacetylene materials, interest in this effect also stems from its close connection to states with fractional charge from relativistic field theory...
October 21, 2016: Nature Communications
I Terrani, A J Bircher, K Scherer Hofmeier
We report the case of a 53-year-old man with solar urticaria (SU) not responding to histamine antagonist therapy. Using intradermal testing with the patient's irradiated serum, we demonstrated that his SU was elicited by visible light only. This type of SU is uncommon, and makes preventive measures such as sun block largely ineffective. However, the patient had an extraordinary response to the treatment with omalizumab. This case report highlights the diagnostic process and the success of omalizumab for the treatment of SU after 16 months of follow-up...
October 20, 2016: Clinical and Experimental Dermatology
Vincent Yi-Fong Su, Chia-Jen Liu, Yuh-Min Chen, Teh-Ying Chou, Tzeng-Ji Chen, Sang-Hue Yen, Tzeon-Jye Chiou, Jin-Hwang Liu, Yu-Wen Hu
BACKGROUND: Currently, no large study addressing the relationship between lung cancer patients with different therapies and second primary malignancies (SPMs) is available. METHODS: Using the Taiwan National Health Insurance Research Database, we conducted a population-based cohort study. Patients with newly diagnosed lung cancer between 1997 and 2005 were enrolled and followed up until Dec. 31, 2011. The endpoint of the study was SPM occurrence. Standardized incidence ratios (SIRs) of cancers were calculated to compare the cancer incidence of the study cohort to that of the general population...
October 20, 2016: Targeted Oncology
Mun Su Rhee, Neha Sawhney, Young Sik Kim, Hyun Jee Rhee, Jason C Hurlbert, Franz J St John, Guang Nong, John D Rice, James F Preston
Paenibacillus sp. JDR-2 (Pjdr2) has been studied as a model for development of bacterial biocatalysts for efficient processing of xylans, methylglucuronoxylan, and methylglucuronoarabinoxylan, the predominant hemicellulosic polysaccharides found in dicots and monocots, respectively. Pjdr2 produces a cell-associated GH10 endoxylanase (Xyn10A1) that catalyzes depolymerization of xylans to xylobiose, xylotriose, and methylglucuronoxylotriose with methylglucuronate-linked α-1,2 to the nonreducing terminal xylose...
October 21, 2016: Applied Microbiology and Biotechnology
Na Han, You Jeong Kim, Su Min Park, Seung Man Kim, Ji Suk Lee, Hye Sook Jung, Eun Ju Lee, Tae Kyoon Kim, Tae Nyun Kim, Min Jeong Kwon, Soon Hee Lee, Mi-Kyung Kim, Byoung Doo Rhee, Jeong Hyun Park
BACKGROUND: Cognitive impairment and brain damage in diabetes is suggested to be associated with hypoglycemia. The mechanisms of hypoglycemia-induced neural death and apoptosis are not clear and reperfusion injury may be involved. Recent studies show that glucose deprivation/reperfusion induced more neuronal cell death than glucose deprivation itself. The forkhead box O (FOXO) transcription factors are implicated in the regulation of cell apoptosis and survival, but their role in neuronal cells remains unclear...
October 2016: Diabetes & Metabolism Journal
Yu Jin Lee, Kyeong Jin Shin, Soo-Ah Park, Kyeong Su Park, Seorim Park, Kyun Heo, Young-Kyo Seo, Dong-Young Noh, Sung Ho Ryu, Pann-Ghill Suh
G-protein-coupled receptor 81 (GPR81) functions as a receptor for lactate and plays an important role in the regulation of anti-lipolytic effects in adipocytes. However, to data, a role for GPR81 in the tumor microenvironment has not been clearly defined. Here, GPR81 expression in breast cancer patients and several breast cancer cell lines was significantly increased compared with normal mammary tissues and cells. GPR81 knockdown resulted in impaired breast cancer growth and led to apoptosis both in vitro and in vivo...
September 27, 2016: Oncotarget
Jinping Shao, Jing Cao, Jiannan Wang, Xiuhua Ren, Songxue Su, Ming Li, Zhihua Li, Qingzan Zhao, Weidong Zang
Voltage-gated sodium channels, which are involved in pain pathways, have emerged as major targets for therapeutic intervention in pain disorders. Nav1.7, the tetrodotoxin-sensitive voltage-gated sodium channel isoform encoded by SCN9A and predominantly expressed in pain-sensing neurons in the dorsal root ganglion, plays a crucial role in nociception. MicroRNAs are highly conserved, small non-coding RNAs. Through binding to the 3' untranslated region of their target mRNAs, microRNAs induce the cleavage and/or inhibition of protein translation...
2016: Molecular Pain
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