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https://www.readbyqxmd.com/read/28324161/thermal-ecology-of-three-coexistent-desert-lizards-implications-for-habitat-divergence-and-thermal-vulnerability
#1
Shu-Ran Li, Yang Wang, Liang Ma, Zhi-Gao Zeng, Jun-Huai Bi, Wei-Guo Du
How ectotherms exploit thermal resources has important implications for their habitat utilization and thermal vulnerability to climate warming. To address this issue, we investigated thermal relations of three sympatric lizard species (Eremias argus, Eremias multiocellata, and Phrynocephalus przewalskii) in the desert steppe of Inner Mongolia, China. We determined the thermoregulatory behavior, body temperature (T b), operative temperature (T e), selected body temperature (T sel), and critical thermal maximum (CTmax) of adult lizards...
March 21, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28323730/transesophageal-bronchoscopic-ultrasound-guided-fine-needle-aspiration-for-metastatic-vertebral-body-lesion
#2
Masahide Oki, Hideo Saka, Shu Ichihara, Suzuko Moritani
Malignant neoplasms frequently cause vertebral metastases. Traditionally, either image-guided percutaneous biopsy or open biopsy has been performed for sampling specimens for the definitive diagnosis. We herein report a case with suspected multiple metastases but unknown primary, who underwent endobronchial ultrasound-guided transbronchial needle aspiration for mediastinal lymph nodes with negative results by rapid onsite cytologic evaluation, followed by the transesophageal approach with the ultrasound bronchoscope for the vertebral body lesion at the same setting that provided a definitive diagnosis of metastatic hepatocellular carcinoma...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28323696/a-new-angled-chisel-for-microendoscopic-decompressive-laminotomy
#3
Shu Nakamura, Motohide Shibayama, Fujio Ito, Yasushi Miura
STUDY DESIGN: A retrospective comparative series study. OBJECTIVE: The aim of the study was to describe a new angled chisel (NAC) that facilitates the osteotomy in microendoscopic decompressive laminotomy (MEDL), and to analyze the clinical and radiologic outcomes using the tool. SUMMARY OF BACKGROUND DATA: MEDL for lumbar spinal stenosis is a minimally invasive surgery. The paraspinous unilateral approach for bilateral decompression can preserve the posterior structure better than other methods...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323620/discovery-of-novel-determinants-of-endothelial-lineage-using-chimeric-heterokaryons
#4
Wing Tak Wong, Gianfranco Matrone, XiaoYu Tian, Simion Alin Tomoiaga, Kin Fai Au, Shu Meng, Sayumi Yamazoe, Daniel Sieveking, Kaifu Chen, David M Burns, James K Chen, Helen M Blau, John P Cooke
We wish to identify determinants of endothelial lineage. Murine embryonic stem cells (mESC) were fused with human endothelial cells in stable, non-dividing, heterokaryons. Using RNA-seq it is possible to discriminate between human and mouse transcripts in these chimeric heterokaryons. We observed a temporal pattern of gene expression in the ESCs of the heterokaryons that recapitulated ontogeny, with early mesodermal factors being expressed before mature endothelial genes. A set of transcriptional factors not known to be involved in endothelial development was upregulated, one of which was POU class 3 homeobox 2 (Pou3f2)...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28323557/seroprevalence-of-severe-fever-with-thrombocytopenia-syndrome-virus-in-hedgehog-from-china
#5
Yue Sun, Miao-Miao Liu, Li-Mei Luo, Li Zhao, Hong-Ling Wen, Zhen-Tang Zhang, Jian-Wei Liu, Zai-Feng Xue, Dong-Qiang Ma, Shu-Jun Ding, Xiao-Ying Lei, Xue-Jie Yu
Severe fever with thrombocytopenia syndrome, an emerging hemorrhagic fever, is caused by severe fever with thrombocytopenia syndrome virus (SFTSV), a tick-borne bunyavirus. Information regarding SFTSV animal hosts is very limited. In this study, we showed that 64% (9/14) of hedgehogs in Shandong Province, China were seropositive to SFTSV antibody, suggesting that hedgehog could be a vertebrate parasitifer for SFTSV.
March 21, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28320097/asiatic-acid-ameliorates-pulmonary-fibrosis-induced-by-bleomycin-blm-via-suppressing-pro-fibrotic-and-inflammatory-signaling-pathways
#6
Shu-Hong Dong, Yan-Wei Liu, Feng Wei, Hui-Zhen Tan, Zhi-Dong Han
Idiopathic pulmonary fibrosis is known as a life-threatening disease with high mortality and limited therapeutic strategies. In addition, the molecular mechanism by which pulmonary fibrosis developed is not fully understood. Asiatic acid (AA) is a triterpenoid, isolated from Centella asiatica, exhibiting efficient anti-inflammatory and anti-oxidative activities. In our study, we attempted to explore the effect of Asiatic acid on bleomycin (BLM)-induced pulmonary fibrosis in mice. The findings indicated that pre-treatment with Asiatic acid inhibited BLM-induced lung injury and fibrosis progression in mice...
March 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319835/convergent-and-divergent-effects-of-apolipoprotein-e-%C3%AE%C2%B54-and-%C3%AE%C2%B52-alleles-on-amygdala-functional-networks-in-nondemented-older-adults
#7
Liang Gong, Hao Shu, Cancan He, Qing Ye, Feng Bai, Chunming Xie, Zhijun Zhang
Traditionally, in the context of Alzheimer's disease, the apolipoprotein E ε2 (APOEε2) allele is a protective factor and the APOEε4 allele is a destructive factor. However, this inverse relationship has recently been challenged, and the neural mechanisms underlying the effects of APOE genotype on Alzheimer's disease remain unclear. A resting-state functional magnetic resonance imaging study was conducted to investigate the effects of APOE genotype and age on amygdala functional connectivity (AFC) networks in 84 patients with amnestic mild cognitive impairment and 124 cognitively normal order adults...
February 24, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28319654/an-alpha-synuclein-mrm-assay-with-diagnostic-potential-for-parkinson-s-disease-and-monitoring-disease-progression
#8
Li Yang, Tessandra Stewart, Min Shi, Gwenael Pottiez, Romel Dator, Rui Wu, Patrick Aro, Robert J Schuster, Carmen Ginghina, Catherine Pan, Yuqian Gao, Weijun Qian, Cyrus P Zabetian, Shu-Ching Hu, Joseph F Quinn, Jing Zhang
AIM: The alpha-synuclein (α-syn) level in human cerebrospinal fluid (CSF), as measured by immunoassays, is promising as a Parkinson's disease (PD) biomarker. However, the levels of total α-syn are inconsistent among studies with large cohorts and different measurement platforms. Total α-syn level also does not correlate with disease severity or progression. Here, we developed a highly sensitive Multiple Reaction Monitoring (MRM) method to measure absolute CSF α-syn peptide concentrations without prior enrichment or fractionation, aiming to discover new candidate biomarkers...
March 20, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28319564/improvement-in-the-outcomes-of-meld-%C3%A2-40-liver-transplantation-an-analysis-of-207-consecutive-transplants-in-a-highly-competitive-dsa
#9
Victor Nekrasov, Lea Matsuoka, Navpreet Kaur, Alejandro Pita, Gilbert Whang, Shu Cao, Susan Groshen, Sophoclis Alexopoulos
BACKGROUND: Organ donor shortages continue to persist, especially in regions of the United States where competition is highest and recipients frequently attain a MELD score ≥ 40 prior to transplantation. The benefits of Share 35 in highly competitive regions may be underestimated when examining the collective national experience. The purpose of this study is to examine the outcomes of liver transplantation in recipients with a MELD ≥ 40 after implementation of Share 35 in a single center located in region 5...
March 18, 2017: Transplantation
https://www.readbyqxmd.com/read/28319547/methylprednisolone-therapy-in-acute-traumatic-spinal-cord-injury-analysis-of-a-regional-spinal-cord-model-systems-database
#10
Jacob E Sunshine, Armagan Dagal, Stephen P Burns, Richard J Bransford, Fangyi Zhang, Shu-Fang Newman, Bala G Nair, Sam R Sharar
BACKGROUND: The objective of this study was to assess the relationship between exposure to methylprednisolone (MP) and improvements in motor function among patients with acute traumatic spinal cord injury (TSCI). MP therapy for patients with TSCI is controversial because of the current conflicting evidence documenting its benefits and risks. METHODS: We conducted a retrospective cohort study from September 2007 to November 2014 of 311 patients with acute TSCI who were enrolled into a model systems database of a regional, level I trauma center...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319449/non-clinical-study-examining-aav8-tbg-hldlr-vector-associated-toxicity-in-chow-fed-wild-type-and-ldlr-rhesus-macaques
#11
Jenny A Greig, Maria P Limberis, Peter Bell, Shu-Jen Chen, Roberto Calcedo, Daniel J Rader, James M Wilson
Vectors based on adeno-associated virus serotype 8 (AAV8) have been evaluated in several clinical trials of gene therapy for hemophilia B with encouraging results. In preparation for a Phase 1 clinical trial of AAV8 gene therapy for the treatment of homozygous familial hypercholesterolemia (HoFH), the safety of the clinical candidate vector, AAV8.TBG.hLDLR, was evaluated in wild-type rhesus macaques and macaques heterozygous for a nonsense mutation in the low-density lipoprotein receptor (LDLR) gene (LDLR(+/-))...
March 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28319445/nonclinical-pharmacology-toxicology-study-of-aav8-tbg-mldlr-and-aav8-tbg-hldlr-in-a-mouse-model-of-homozygous-familial-hypercholesterolemia
#12
Jenny A Greig, Maria P Limberis, Peter Bell, Shu-Jen Chen, Roberto Calcedo, Daniel J Rader, James M Wilson
The homozygous form of familial hypercholesterolemia (HoFH) is an excellent model for developing in vivo gene therapy in humans. The success of orthotropic liver transplantation in correcting the metabolic abnormalities in HoFH suggests that the correction of low-density lipoprotein receptor (LDLR) expression in hepatocytes via gene therapy should be sufficient for therapeutic efficacy. Vectors based on adeno-associated virus serotype 8 (AAV8) have been previously developed for liver-targeted gene therapy of a number of genetic diseases, including HoFH...
March 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28319162/risk-of-acute-myocardial-infarction-in-patients-with-gastroesophageal-reflux-disease-a-nationwide-population-based-study
#13
Wei-Yi Lei, Jen-Hung Wang, Shu-Hui Wen, Chih-Hsun Yi, Jui-Sheng Hung, Tso-Tsai Liu, William C Orr, Chien-Lin Chen
OBJECTIVE: Gastroesophageal reflux disease (GERD) is a common disease which can cause troublesome symptoms and affect quality of life. In addition to esophageal complications, GERD may also be a risk factor for extra-esophageal complications. Both GERD and coronary artery disease (CAD) can cause chest pain and frequently co-exist. However, the association between GERD and acute myocardial infarction (AMI) remain unclear. The purpose of the study was to compare the incidence of acute myocardial infarction in GERD patients with an age-, gender-, and comorbidity matched population free of GERD...
2017: PloS One
https://www.readbyqxmd.com/read/28318949/wing-augmentation-reduces-femoral-head-cutting-out-of-dynamic-hip-screw
#14
Chih-Yu Chen, Shu-Wei Huang, Jui-Sheng Sun, Shin-Yiing Lin, Chih-Sheng Yu, Hsu-Pin Pan, Ping-Hung Lin, Fan-Chun Hsieh, Yang-Hwei Tsuang, Feng-Huei Lin, Rong-Sen Yang, Cheng-Kung Cheng
The dynamic hip screw (DHS) is commonly used in the treatment of femoral intertrochanteric fracture with high satisfactory results. However, post-operative failure does occur and result in poor prognosis. The most common failure is femoral head varus collapse, followed by lag screw cut-out through the femoral head. In this study, a novel-designed DHS with two supplemental horizontal blades was used to improve the fixation stability. In this study, nine convention DHS and 9 Orthopaedic Device Research Center (ODRC) DHSs were tested in this study...
March 17, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28318157/-effects-of-nd-yag-laser-irradiation-on-the-root-surfaces-and-adhesion-of-streptococcus-mutans
#15
Li Yuanhong, Li Zhongcheng, Luo Mengqi, Shen Daonan, Zhang Shu, Meng Shu
OBJECTIVE: This study aimed to evaluate the effects of treatment with different powers of Nd: YAG laser irradiation on root surfaces and Streptococcus mutans (S. mutans) adhesion. METHODS: Extracted teeth because of severe periodontal disease were divided into the following four groups: control group, laser group 1, laser group 2, and laser group 3. After scaling and root planning, laser group 1, laser group 2, and laser group 3 were separately treated with Nd: YAG laser irradiation (4/6/8 W, 60 s); however, the control group did not receive the treatment...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28318086/catalytic-direct-type-1-4-addition-reactions-of-alkylazaarenes
#16
Hirotsugu Suzuki, Ryo Igarashi, Yasuhiro Yamashita, Shū Kobayashi
1,4-addition reactions of alkylazaarenes catalyzed by strong Brønsted bases have been developed for the first time. The desired reactions with α,β-unsaturated amides proceeded under mild reaction conditions to give the 1,4-adducts in high yields. Both ortho- and para-substituted azaarenes afforded the desired adducts in high yields. Regioselective reactions of di- or trimethylpyridine were found to be possible depending on the acidity of the α-hydrogen atoms. Furthermore, a candidate of allosteric protein kinase modulators was synthesized in two steps...
March 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28317941/magnitude-dependent-response-of-osteoblasts-regulated-by-compressive-stress
#17
Xiao-Qing Shen, Yuan-Ming Geng, Ping Liu, Xiang-Yu Huang, Shu-Yi Li, Chun-Dong Liu, Zheng Zhou, Ping-Ping Xu
The present study aimed to investigate the role of magnitude in adaptive response of osteoblasts exposed to compressive stress. Murine primary osteoblasts and MC3T3-E1 cells were exposed to compressive stress (0, 1, 2, 3, 4, and 5 g/cm(2)) in 3D culture. Cell viability was evaluated, and expression levels of Runx2, Alp, Ocn, Rankl, and Opg were examined. ALP activity in osteoblasts and TRAP activity in RAW264.7 cells co-cultured with MC3T3-E1 cells were assayed. Results showed that compressive stress within 5...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317926/in-vivo-evaluation-of-mg-6zn-and-titanium-alloys-on-collagen-metabolism-in-the-healing-of-intestinal-anastomosis
#18
Xiao-Hu Wang, Jian-Shu Ni, Nai-Long Cao, Song Yu, Yi-Gang Chen, Shao-Xiang Zhang, Bao-Jun Gu, Jun Yan
There is a great clinical need for biodegradable materials, which were used as pins of circular staplers, for gastrointestinal reconstruction in medicine. In this work we compared the effects of the Mg-6Zn and the titanium alloys on collagen metabolism in the healing of the intestinal tract in vivo. The study included Sprague-Dawley rats and their effect was compared on rat's intestinal tract, using serum magnesium, radiology, and immunohistochemistry in vivo. Radiographic and scanning electron microscope evaluation confirmed the degradation by Mg-6Zn alloy during the implantation period...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317759/the-effects-of-gallic-ferulic-caffeic-acids-on-colour-intensification-and-anthocyanin-stability
#19
Bing-Jun Qian, Jian-Hua Liu, Shu-Juan Zhao, Jian-Xiong Cai, Pu Jing
The mechanism by which copigments stabilize colour, by protecting anthocyanin chromophores from nucleophilic attack, seems well accepted. This study was to determine effects of gallic/ferulic/caffeic acids on colour intensification and anthocyanin stability. Molecular dynamics simulations were applied to explore molecular interactions. Phenolic acids intensified the colour by 19%∼27%. Colour fading during heating followed first-order reactions with half-lives of 3.66, 9.64, 3.50, and 3.39h, whereas anthocyanin degradation, determined by the pH differential method (or HPLC-PDA), followed second-order reactions with half-lives of 3...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317366/-research-progress-on-forkhead-box-protein-o1-and-bone-metabolism
#20
Shu Linjing, Wu Yingying, Tan Zhen, Gong Ping
Recent studies found that forkhead box protein O1 (FoxO1) does not only demonstrate important biological functions in cell proliferation, gluconeogenesis, energy metabolism, and oxidative stress, but it also plays a vital role in the remodeling process of bones. FoxO1 can regulate bone mass by affecting osteoblasts, osteoclasts, and precursor cells. In this article, we review the role of FoxO1 in bone metabolism and elucidate its underlying mechanism.
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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