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https://www.readbyqxmd.com/read/28817187/second-line-treatment-in-patients-with-pancreatic-ductal-adenocarcinoma-a-meta-analysis
#1
Mohamad Bassam Sonbol, Belal Firwana, Zhen Wang, Diana Almader-Douglas, Mitesh J Borad, Issam Makhoul, Ramesh K Ramanathan, Daniel H Ahn, Tanios Bekaii-Saab
BACKGROUND: There are limited therapeutic options for treatment-refractory pancreatic ductal adenocarcinoma (PDAC), with a paucity of data to support the best option after progression on gemcitabine-based regimens. The authors performed a meta-analysis to determine the effectiveness of adding oxaliplatin (OX) or various irinotecan formulations to a fluoropyrimidine (FP) after first-line treatment progression in patients with PDAC. METHODS: Different databases, including PubMed, EMBASE, and Cochrane, were searched to identify randomized controlled trials comparing FP monotherapy versus FP combination therapy that included either oxaliplatin (FPOX) or various irinotecan formulations (FPIRI) in patients with PDAC who progressed after first-line treatment...
August 17, 2017: Cancer
https://www.readbyqxmd.com/read/28817177/the-n-terminal-ubiquitin-associated-domain-of-cezanne-is-crucial-for-its-function-to-suppress-nf-%C3%AE%C2%BAb-pathway
#2
Yanxi Ji, Liu Cao, Lanyi Zeng, Zhen Zhang, Qiaoqiao Xiao, Penglin Guan, Shiyou Chen, Yu Chen, Min Wang, Deyin Guo
Cezanne, a deubiquitinating cysteine protease (DUB) belonging to A20 subgroup of ovarian tumor (OTU) protein superfamily, functions as a negative regulator of NF-κB to attenuate NF-κB activation and to restrain pro-inflammatory transcription in response to TNF receptor (TNFR) signaling. It is the first documented OTU DUB that preferably disassembles Lys11-linked polyubiquitin chains and has been shown to regulate multiple cellular events including immune signaling, cell survival and tumor progression. Previous studies showed that in response to TNF stimulation, Cezanne is recruited to the activated TNFR complex to suppress the build-up of polyubiquitinated RIP1 signal by removing Lys63 polyubiquitin from RIP1...
August 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28816234/novel-mutations-of-tcirg1-cause-a-malignant-and-mild-phenotype-of-autosomal-recessive-osteopetrosis-aro-in-four-chinese-families
#3
Xiao-Ya Zhang, Jin-Wei He, Wen-Zhen Fu, Chun Wang, Zhen-Lin Zhang
Human autosomal recessive osteopetrosis (ARO), also known as infantile malignant osteopetrosis, is a rare genetic bone disorder that often causes death. Mutations in T-cell immune regulator 1 (TCIRG1) are a frequent cause of human ARO. Six additional genes (TNFSF11, TNFRSF11A, CLCN7, OSTM1, SNX10, PLEKHM1) were also found to be associated with human ARO. In order to expand the mutation spectrum and clinical diversity for a better understanding of the ARO phenotype and to further investigate the clinical characteristics of benign subjects with ARO, we here report five individuals with ARO from four unrelated Chinese families...
August 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28815260/-improving-the-teaching-quality-by-multiple-tools-and-technology-in-oral-histopathology-experimental-course
#4
Zhen Tian, Li-Zhen Wang, Yu-Hua Hu, Chun-Ye Zhang, Jiang Li
PURPOSES: Oral histopathology is a course which needs to be combined with theory and practice closely. Experimental course plays an important role in teaching oral histopathology. Here, we aim to explore a series of effective measures to improve the teaching quality of experimental course and tried to train observation, thinking, analysis and problem solving skills of dental students. METHODS: We re-edited and updated the experimental textbook "guidelines of experimental course of oral histopathology", and published the reference book for experimental course--"color pocket atlas of oral histopathology: experiment and diadactic teaching"...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28814798/genetic-polymorphisms-of-lncrna-p53-regulatory-network-genes-are-associated-with-concurrent-chemoradiotherapy-toxicities-and-efficacy-in-nasopharyngeal-carcinoma-patients
#5
Youhong Wang, Zhen Guo, Yu Zhao, Yi Jin, Liang An, Bin Wu, Zhaoqian Liu, Xiaoping Chen, Xiang Chen, Honghao Zhou, Hui Wang, Wei Zhang
The relevance of the transcription factor p53 in cancer is inarguable, and numerous lncRNAs are involved in the p53 regulatory network as either regulators or effectors, triggering a transcriptional response that causes either cell arrest or apoptosis following DNA damage in a p53-dependent manner. Despite the fact that the therapeutic response is improved in NPC, heterogeneity among people remains with regard to the susceptibility of adverse effects and the efficacy of treatments. Therefore, we analysed eight potentially functional SNPs of five genes in the lncRNA-p53 regulatory network in a discovery cohort of 505 NPC patients...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814390/the-physiological-and-metabolic-differences-between-visceral-and-subcutaneous-adipose-tissues-in-nile-tilapia-oreochromis-niloticus
#6
Ya-Wen Wang, Ji-Lei Zhang, Jian-Gang Jiao, Xiao-Xia Du, Samwel Mchele Limbu, Fang Qiao, Mei-Ling Zhang, Dong-Liang Li, Zhen-Yu Du
BACKGROUND: Visceral adipose tissue (VAT) and subcutaneous adipose tissue (SCAT) have different structures and metabolic functions, and play different roles in the regulation of mammal systemic endocrine. However, little is known about morphology and physiological and metabolic functions between VAT and SCAT in fish. METHODS: We compared the morphological, physiological and biochemical characteristics of VAT and SCAT in Nile Tilapia and measured their functions in energy intake flux, lipolytic ability, and gene expression patterns...
August 16, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28813606/non-epimerizing-alkylation-of-h-p-species-to-stereospecifically-generate-p-stereogenic-phosphine-oxides-a-shortcut-to-bidentate-tertiary-phosphine-ligands
#7
Shao-Zhen Nie, Zhong-Yang Zhou, Ji-Ping Wang, Hui Yan, Jing-Hong Wen, Jing-Jing Ye, Yun-Yao Cui, Chang-Qiu Zhao
The secondary RP-(-)-menthyl alkylphosphine oxide was confirmed as configurationally stable toward base and was used in base-promoted alkylation, stereospecifically affording P-retained bis or functional tertiary phosphine oxides in excellent yields. The alkylated products were deoxygenated using oxalyl chloride followed by ZnCl2-NaBH4 to form P-inversed bidentate phosphine boranes in high stereoselectivities.
August 16, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28813488/role-of-post-chemotherapy-radiation-in-the-management-of-children-and-adolescents-with-primary-advanced-malignant-mediastinal-germ-cell-tumors
#8
Junting Huang, Yuting Tan, Zijun Zhen, Suying Lu, Feifei Sun, Jia Zhu, Juan Wang, Ru Liao, Xiaofei Sun
OBJECTIVE: Primary malignant mediastinal germ cell tumors (MMGCTs) are rare in children and adolescents and have a poorer prognosis than their gonadal counterparts. We report a single institutional experience of a 10-year period of primary advanced MMGCTs treated with chemotherapy, followed by radiotherapy in those who had residual mass. METHODS: Children and adolescents with primary advanced MMGCTs between 2005 and 2014 were identified from the Cancer Center, Sun Yat-Sen University...
2017: PloS One
https://www.readbyqxmd.com/read/28811955/the-effects-of-group-based-versus-individual-based-tai-chi-training-on-nonmotor-symptoms-in-patients-with-mild-to-moderate-parkinson-s-disease-a-randomized-controlled-pilot-trial
#9
Jing Hui Yang, Ya Qun Wang, Sai Qing Ye, You Gen Cheng, Yu Chen, Xiao Zhen Feng
OBJECTIVE: To compare the effects of group-based and individual-based Tai Chi training on nonmotor symptoms in patients with mild to moderate Parkinson's disease. DESIGN: Randomized controlled pilot study. METHODS: 36 community-dwelling patients with Parkinson's disease (PD) were randomly assigned to either group-based training group (n = 19) or individual-based group (n = 17). Both groups received same content of Tai Chi training 3 times a week for 13 weeks...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28811702/precision-medicine-in-need-of-guidance-and-surveillance
#10
EDITORIAL
Jian-Zhen Lin, Jun-Yu Long, An-Qiang Wang, Ying Zheng, Hai-Tao Zhao
Precision medicine, currently a hotspot in mainstream medicine, has been strongly promoted in recent years. With rapid technological development, such as next-generation sequencing, and fierce competition in molecular targeted drug exploitation, precision medicine represents an advance in science and technology; it also fulfills needs in public health care. The clinical translation and application of precision medicine - especially in the prevention and treatment of tumors - is far from satisfactory; however, the aims of precision medicine deserve approval...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28810898/erratum-to-insights-into-the-design-and-interpretation-of-iclip-experiments
#11
Nejc Haberman, Ina Huppertz, Jan Attig, Julian König, Zhen Wang, Christian Hauer, Matthias W Hentze, Andreas E Kulozik, Hervé Le Hir, Tomaž Curk, Christopher R Sibley, Kathi Zarnack, Jernej Ule
No abstract text is available yet for this article.
August 15, 2017: Genome Biology
https://www.readbyqxmd.com/read/28810772/computational-prediction-of-a-simple-cubic-carbon-allotrope-consisting-of-c12-clusters
#12
Kun Bu, Zhen-Zhen Li, Jian-Tao Wang
We identify by ab initio calculations a new simple cubic carbon phase in Pa3¯ symmetry, which has a 48-atom unit cell in all-sp(3) bonding networks, thus termed SC48 carbon. It can be viewed as a crystalline form of C12 clusters or a combined structure of SC24 and BC12 carbon, but it is energetically more stable than the recently reported cubic carbon phases such as BC8, SC24, BC12, and fcc-C12. The structural stability is verified by phonon mode analysis. Electronic band and density of state calculations reveal that SC48 carbon is an insulator with a large direct band gap of 4...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810599/effects-of-niflumic-acid-on-%C3%AE-aminobutyric-acid-induced-currents-in-isolated-dorsal-root-ganglion-neurons-of-neuropathic-pain-rats
#13
Li-Jie Wang, Yang Wang, Meng-Jie Chen, Zhen-Pu Tian, Bi-Han Lu, Ke-Tao Mao, Liang Zhang, Lei Zhao, Li-Ya Shan, Li Li, Jun-Qiang Si
Niflumic acid (NFA) is a type of non-steroidal anti-inflammatory drug. Neuropathic pain is caused by a decrease in presynaptic inhibition mediated by γ-aminobutyric acid (GABA). In the present study, a whole-cell patch-clamp technique and intracellular recording were used to assess the effect of NFA on GABA-induced inward current in dorsal root ganglion (DRG) neurons of a chronic constriction injury (CCI) model. It was observed that 1-1,000 µmol/l GABA induced a concentration-dependent inward current in DRG neurons...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809983/controllable-synthesis-of-inorganic-organic-zn1-xcdxs-deta-solid-solution-nanoflowers-and-their-enhanced-visible-light-photocatalytic-hydrogen-production-performance
#14
Jiali Lv, Jinfeng Zhang, Kai Dai, Changhao Liang, Guangping Zhu, Zhongliao Wang, Zhen Li
Sustainable photocatalytic hydrogen evolution (PHE) of water splitting has been utilized to solve the serious environmental pollution and energy shortage problems over the last decade. Inorganic-organic hybrid materials could combine the organic molecules and functional inorganic blocks into unique materials through complicated physical and chemical interactions. In this paper, diethylenetriamine (DETA) was used as an organic molecule template for the synthesis of inorganic-organic Zn1-xCdxS-DETA solid solution nanoflowers (NFs) at very low temperature...
August 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28809938/perinatal-testosterone-exposure-potentiates-vascular-dysfunction-by-er%C3%AE-suppression-in-endothelial-progenitor-cells
#15
Weiguo Xie, Mingming Ren, Ling Li, Yin Zhu, Zhigang Chu, Zhigang Zhu, Qiongfang Ruan, Wenting Lou, Haimou Zhang, Zhen Han, Xiaodong Huang, Wei Xiang, Tao Wang, Paul Yao
Recent clinical cohort study shows that testosterone therapy increases cardiovascular diseases in men with low testosterone levels, excessive circulating androgen levels may play a detrimental role in the vascular system, while the potential mechanism and effect of testosterone exposure on the vascular function in offspring is still unknown. Our preliminary results showed that perinatal testosterone exposure in mice induces estrogen receptor β (ERβ) suppression in endothelial progenitor cells (EPCs) in offspring but not mothers, while estradiol (E2) had no effect...
2017: PloS One
https://www.readbyqxmd.com/read/28808811/construction-and-biocompatibility-of-a-thin-type-i-ii-collagen-composite-scaffold
#16
Long Han, Zhong-Wen Zhang, Bo-He Wang, Zhen-Kun Wen
Articular cartilage injury is a common type of damage observed in clinical practice. A matrix-induced autologous chondrocyte implant was developed to repair articular cartilage as an advancement on the autologous chondrocyte implant procedure. Here, we establish a thin double layer of collagen as a novel and effective bioscaffold for the regeneration of cartilaginous lesions. We created a collagen membrane with double layers using a cover slip, a cover slip, and the collagen was then freeze-dried under vacuum...
August 14, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28808482/the-chinese-herb-prunella-vulgaris-promotes-apoptosis-in-human-well-differentiated-thyroid-carcinoma-cells-via-the-b-cell-lymphoma-2-bcl-2-associated-x-protein-caspase-3-signaling-pathway
#17
De-Tao Yin, Mengyuan Lei, Jianhui Xu, Hongqiang Li, Yongfei Wang, Zhen Liu, Runsheng Ma, Kun Yu, Xianghua Li
Prunella vulgaris (PV), a traditional Chinese herb, has been shown to be rich in bioactive chemicals and possess anti-proliferative and pro-apoptotic effects on tumor cells. The effect of PV on human well-differentiated thyroid carcinoma (WDTC), which accounts for the majority of common endocrine malignancies, remains to be elucidated. The present study aimed to investigate the function of PV on WDTC cell lines and apoptosis-associated signaling pathway activity. Additional studies demonstrated that PV may induce apoptosis in WDTC TPC-1 and FTC-133 cell lines, using the Cell Counting Kit-8 assay...
August 2017: Oncology Letters
https://www.readbyqxmd.com/read/28808274/temperature-dependent-birefringence-of-lithium-triborate-lbo-in-the-thz-regime
#18
Kechao Song, Zhen Tian, Weili Zhang, Mingwei Wang
Optical properties of lithium triborate (LBO) in the terahertz regime (0.2-2 THz) were characterized using broadband terahertz time-domain spectroscopy. The frequency dependence of refractive index and absorption coefficient of the LBO crystal was experimentally investigated over the temperature range of 77-297 K, which the experimental results indicated that LBO has very low optical absorption coefficient at terahertz frequencies especially for the beam polarization along the crystal's principal dielectric axis X...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808223/metastasis-associated-protein-1-deficiency-results-in-compromised-pulmonary-alveolar-capillary-angiogenesis-in-mice
#19
Jun-Hui Qin, Zhen-Yu Ke, Qiang Zhou, Li Wang, Yuan Liang, Ying-Mei Wang, Tong Yang, Xing Gao, Jing Ye, Rekesh Kumar, Rui-An Wang
BACKGROUND The aim of this study was to investigate the effects of metastasis-associated protein 1 (MTA1) deficiency during angiogenesis of pulmonary alveolar capillaries in mice and to determine the molecular mechanisms involved. MATERIAL AND METHODS The expressions of MTA1, CD34, vascular endothelial growth factor (VEGF), alpha smooth muscle actin (α-SMA), and HIF-1α were analyzed in the lungs of MTA1-knockout (KO) and wild-type mice at embryonic day 18.5 and 2 months by quantitative PCR, immunoblotting, and immunohistochemistry...
August 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28807227/in-vivo-and-in-vitro-anti-sepsis-effects-of-physcion-8-o-%C3%AE-glucopyranoside-extracted-from-rumex-japonicus
#20
Wei-Jun Fu, Jian-Jun Tang, Hui Wang, Hong-Yun Wei, Shu-Min Cai, Zhen-Hua Zeng, Hui Chen, Zhong-Qing Chen
The present study was designed to investigate the anti-sepsis effects of physcion 8-O-β-glucopyranoside (POG) isolated from Rumex japonicas and explore its possible pharmacological mechanisms. POG was extracted from R. japonicas by bioactivity-guided isolation with the anti-sepsis agents. Survival analysis in septic mouse induced by LPS and heat-killed Escherichia coli were used to evaluate the protective effect of POG (40 mg·kg(-1), i.p.) on sepsis. Cytokines including TNF-α, IL-1β and IL-6 in RAW 264...
July 2017: Chinese Journal of Natural Medicines
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