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Stijn van Weert, Rinze Reinhard, Elisabeth Bloemena, Jan Buter, Birgit I Witte, Marije R Vergeer, C René Leemans
BACKGROUND: We examined the assumption in conventional teaching about metastatic adenoid cystic carcinoma (ACC) being an indolent type of disease. METHODS: A single center analysis of 105 cases of ACC was performed. Radiographs were reviewed and tumor response to chemotherapy was measured. Distant disease-free survival (DDFS) and time to death since distant metastases diagnosis were analyzed. RESULTS: Forty-two percent of the patients were diagnosed with distant metastases...
October 24, 2016: Head & Neck
Luis F Valdez, Juan Manuel Gutiérrez
In this work, we will analyze the response of a Metal Oxide Gas Sensor (MOGS) array to a flow controlled stimulus generated in a pressure controlled canister produced by a homemade olfactometer to build an E-nose. The built E-nose is capable of chocolate identification between the 26 analyzed chocolate bar samples and four features recognition (chocolate type, extra ingredient, sweetener and expiration date status). The data analysis tools used were Principal Components Analysis (PCA) and Artificial Neural Networks (ANNs)...
October 20, 2016: Sensors
Miao Liu, Xing Xing Liu, Xiao Lin He, Li Juan Liu, Hao Wu, Cai Xian Tang, Yong Song Zhang, Chong Wei Jin
Nitric oxide (NO) and ethylene respond to biotic and abiotic stresses through either similar or independent processes. This study examines the mechanism underlying the effects of NO and ethylene on promoting root hair development in Arabidopsis under magnesium (Mg) deficiency. The interaction between NO and ethylene in the regulation of Mg deficiency-induced root hair development was investigated using NO- and ethylene-related mutants and pharmacological methods. Mg deficiency triggered a burst of NO and ethylene, accompanied by a stimulated development of root hairs...
October 24, 2016: New Phytologist
François Terrier
Joseph F. Bunnett, professor emeritus at the University of California, Santa Cruz, passed away on May 22, 2015. Bunnett, who was Founding Editor of Acc. Chem. Res., was an internationally renowned physical organic chemist, who demonstrated that a physical organic approach to reactivity is of fundamental importance in determining the mechanisms of organic reactions, and who published an original paper in verse.
October 24, 2016: Angewandte Chemie
Hiroko Narumi, Shunji Hasegawa, Kazuyuki Waki, Ken Fukuda, Yuji Ohnishi, Takuya Ichimura, Yousuke Fujimoto, Shunsaku Katsura, Hiroo Kawano, Eiji Ikeda, Satoshi Okada, Shouichi Ohga
Adrenocortical carcinoma (ACC) is a rare malignancy in childhood. Affected children with ACC mostly present with virilization, but not the pure form of Cushing's syndrome. A 9-year-old Japanese girl was hospitalized, because of the unstable emotions and excessive weight gain. She was diagnosed as having Cushing's syndrome and a left adrenal tumor. The adrenalectomy led to the pathological diagnosis of ACC without metastasis. There was no mutation of PRKACA in the tumor-derived DNA, or p53 in peripheral blood-derived DNA...
October 24, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
Andrew J Loder, Yejun Han, Aaron B Hawkins, Hong Lian, Gina L Lipscomb, Gerrit J Schut, Matthew W Keller, Michael W W Adams, Robert M Kelly
The 3-hydroxypropionate/4-hydroxybutyrate (3HP/4HB) cycle fixes CO2 in extremely thermoacidophilic archaea and holds promise for metabolic engineering because of its thermostability and potentially rapid pathway kinetics. A reaction kinetics model was developed to examine the biological and biotechnological attributes of the 3HP/4HB cycle as it operates in Metallosphaera sedula, based on previous information as well as on kinetic parameters determined here for recombinant versions of five of the cycle enzymes (malonyl-CoA/succinyl-CoA reductase, 3-hydroxypropionyl-CoA synthetase, 3-hydroxypropionyl-CoA dehydratase, acryloyl-CoA reductase, and succinic semialdehyde reductase)...
October 19, 2016: Metabolic Engineering
Hiroko Kubo, Masahito Nakataki, Satsuki Sumitani, Jun-Ichi Iga, Shusuke Numata, Naomi Kameoka, Shin-Ya Watanabe, Hidehiro Umehara, Makoto Kinoshita, Masatoshi Inoshita, Mai Tamaru, Masashi Ohta, Chiaki Nakayama-Yamauchi, Yasuhiro Funakoshi, Masafumi Harada, Tetsuro Ohmori
BACKGROUND: Previous studies of patients with bipolar disorder (BD) using magnetic resonance spectroscopy (MRS) have shown neurophysiological abnormalities related to the glutamate (Glu)-glutamine (Gln) cycle, membrane turnover, and neuronal integrity, although the results were neither consistent nor conclusive. Recently it has been reported the Gln/Glu ratio is the most useful index, quantifying neuronal-glial interactions and the balance of glutamatergic metabolites In this MRS study, we elucidated the abnormalities of metabolites in a larger sample of patients with BD with a high-field MRI system...
October 8, 2016: Journal of Affective Disorders
Christina W Lee, Ahmed I Salem Md, David F Schneider, Glen E Leverson, Thuy B Tran, George A Poultsides, Lauren M Postlewait, Shishir K Maithel, Tracy S Wang, Ioannis Hatzaras, Rivfka Shenoy, John E Phay, Lawrence Shirley, Ryan C Fields, Linda X Jin, Timothy M Pawlik, Jason D Prescott, Jason K Sicklick, Shady Gad, Adam C Yopp, John C Mansour, Quan-Yang Duh, Natalie Seiser, Carmen C Solorzano, Colleen M Kiernan, Konstantinos I Votanopoulos, Edward A Levine, Sharon M Weber
BACKGROUND AND OBJECTIVES: Minimally invasive surgery for adrenocortical carcinoma (ACC) is controversial. We sought to evaluate the perioperative and long-term outcomes following minimally invasive (MIS) and open resection (OA) of ACC in patients treated with curative intent surgery. METHODS: Retrospective data from patients who underwent adrenalectomy for primary ACC at 13 tertiary care cancer centers were analyzed, including demographics, clinicopathological, and operative outcomes...
October 21, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
Chandrashekhar Patil, Rahul Suryawanshi, Sunil Koli, Satish Patil
Aminocyclopropane-1-carboxylate deaminase (ACCD) producing microorganisms support plant growth under a variety of biotic and abiotic stress conditions such as drought, soil salinity, flooding, heavy metal pollution and phyto-pathogen attack. Available screening methods for ACCD give idea only about its primary microbial ACCD activity than the actual potential. In the present investigation, we have simply improved screening method by incorporating pH indicator dyes (phenol red and bromothymol blue) in ACC containing medium...
October 18, 2016: Journal of Microbiological Methods
Tomoyuki Hioki, Hiroyuki Takama, Sumiko Makita, Masashi Akiyama
Aplasia cutis congenita (ACC) is a rare congenital disorder characterized by the absence of skin at birth, typically involving the midline of the scalp. This is the first case report to highlight the usefulness of precise ultrasonography for diagnosing mild ACC. A 1-month-old boy was referred to our hospital for assessment of a bald patch found at birth. He was born to nonconsanguineous parents in spontaneous vaginal delivery with a vacuum extractor because of fetal distress and anomaly of rotation at 40 weeks of gestation...
October 21, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
Zhu Zhu, Yanli Chen, Guoqing Shi, Xueji Zhang
The antioxidant activity of selenium (Se) detoxifies reactive oxygen species (ROS) in plants and animals. In the present study, we elucidated the mechanism underlying Se induced fruit development and ripening. Our study showed that foliar pretreatment with 1mgL(-1) sodium selenate effectively delayed fruit ripening and maintained fruit quality. Gene expression studies revealed that the repression of ethylene biosynthetic genes 1-aminocyclopropane-1-carboxylic acid (ACC) synthase and ACC oxidase decreased ethylene production and respiration rate...
March 15, 2017: Food Chemistry
Constanze Hantel, Igor Shapiro, Giada Poli, Costanza Chiapponi, Martin Bidlingmaier, Martin Reincke, Michaela Luconi, Sara Jung, Felix Beuschlein
In recent years it has been recognized that clinical translation of novel therapeutic strategies for patients with adrenocortical carcinoma (ACC) often fails. These disappointing results indicate that the currently utilized tumor models only poorly reflect relevant pathophysiology and, thereby, do not predict clinical applicability of novel pharmacological approaches. However, also the development of new preclinical ACC models has remained a challenge with only one human cell line (NCI-H295R) and one recently established human pediatric xenograft model (SJ-ACC3) being available for this highly heterogeneous malignancy...
October 15, 2016: Oncotarget
Shaghayegh Zihajehzadeh, Edward J Park
Walking speed is widely used to study human health status. Wearable inertial measurement units (IMU) are promising tools for the ambulatory measurement of walking speed. Among wearable inertial sensors, the ones worn on the wrist, such as a watch or band, have relatively higher potential to be easily incorporated into daily lifestyle. Using the arm swing motion in walking, this paper proposes a regression model-based method for longitudinal walking speed estimation using a wrist-worn IMU. A novel kinematic variable is proposed, which finds the wrist acceleration in the principal axis (i...
2016: PloS One
Xiao Gao, Xiao Deng, Xin Wen, Ying She, Petra Corianne Vinke, Hong Chen
Body image distress or body dissatisfaction is one of the most common consequences of obesity and overweight. We investigated the neural bases of body image processing in overweight and average weight young women to understand whether brain regions that were previously found to be involved in processing self-reflective, perspective and affective components of body image would show different activation between two groups. Thirteen overweight (O-W group, age = 20.31±1.70 years) and thirteen average weight (A-W group, age = 20...
2016: PloS One
Michael Kongnyuy, Daniel M Halpern, Kaitlin E Kosinski, Aaron E Katz
PURPOSE: We aim to evaluate the current beliefs and practice patterns of urologists in regard to use of cryosurgery for management of PCa. METHODS: An anonymous 13-point survey was designed and sent out to members of the Society of Urologic Oncology (SUO), Endourological Society (ES) and American College of Cryosurgery (ACC). Descriptive statistics and univariate analyses were used to determine variables associated with the use of cryosurgery. RESULTS: Of the 206 responses received [81 (39...
October 19, 2016: International Urology and Nephrology
Liat Helpman, Marie-France Marin, Santiago Papini, Xi Zhu, Gregory M Sullivan, Franklin Schneier, Mariana Neria, Erel Shvil, Maria Josefa Malaga Aragon, John C Markowitz, Martin A Lindquist, Tor Wager, Mohammad Milad, Yuval Neria
BACKGROUND: Neurobiological models of posttraumatic stress disorder (PTSD) implicate fear processing impairments in the maintenance of the disorder. Specific deficits in extinction recall, the retention of learned extinction, have been demonstrated. While deficient extinction recall, and the associated activation pattern of prefrontal and hippocampal regions, distinguishes individuals with PTSD from controls, research has not yet examined changes following treatment. We examined the behavioral and neural correlates of extinction recall before and after cognitive behavioral treatment of PTSD...
2016: NeuroImage: Clinical
Zhi Dou, Xueyi Zhang, Liqiang Yang, Wanqian Wang, Na Li, Zhicheng Liu, Jiaxiang Ni
We used resting-state fMRI to investigate regional homogeneity (ReHo) changes in patients with TN before and after PRT procedure, and to speculate about its possible mechanisms.Thirty-one TN patients underwent the PRT procedure had MRI scans just before and 6 months after surgery. The anatomical and resting-state functional images were all acquired. Patients' visual analog scales (VAS) scores, facial numbness, and disease duration were also recorded. Voxel-wise ReHo analysis was performed to detect the altered regional clusters after surgery...
October 2016: Medicine (Baltimore)
Lucas J Albano, Sheila M Macfie
A typical plant response to any biotic or abiotic stress, including cadmium (Cd), involves increased ethylene synthesis, which causes senescence of the affected plant part. Stressed plants can experience reduced ethylene and improved growth if they are inoculated with bacteria that have the enzyme ACC deaminase, which metabolizes the ethylene precursor ACC (1-aminocyclopropane-1-carboxylate). We investigated whether one such bacterium, Pseudomonas fluorescens UW4, reduces the production of ethylene and improves the growth of lettuce (Lactuca sativa) sown in Cd-contaminated potting material (PRO-MIX® BX)...
July 22, 2016: Canadian Journal of Microbiology
Limei Bu, Dahua Yu, Shaoping Su, Yao Ma, Karen M von Deneen, Lin Luo, Jinquan Zhai, Bo Liu, Jiadong Cheng, Yanyan Guan, Yangding Li, Yanzhi Bi, Ting Xue, Xiaoqi Lu, Kai Yuan
Smoking is one of the most prevalent dependence disorders. Previous studies have detected structural and functional deficits in smokers. However, few studies focused on the changes of resting state functional connectivity (RSFC) of the brain regions with structural deficits in young adult smokers. Twenty-six young adult smokers and 26 well-matched healthy non-smokers participated in our study. Voxel-based morphometry (VBM) and RSFC were employed to investigate the structural and functional changes in young adult smokers...
2016: Frontiers in Human Neuroscience
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October 18, 2016: Journal of the American Heart Association
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