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https://www.readbyqxmd.com/read/29458171/toxicology-studies-of-furosine-in-vitro-in-vivo-and-exploration-of-the-related-mechanism
#1
Hui-Ying Li, Lei Xing, Jia-Qi Wang, Nan Zheng
AIM: Furosine is one of the Maillard reaction products (MRPs) and is found in a variety of heat-processed food. Yet its toxicity is still unclear. The present study was designed to assess furosine toxicity in cell models and in CD-1 mice, respectively. METHODS: In vitro, the effects of furosine on the cell viability, cell cycle and apoptosis (Hek293, HepG2, SK-N-SH and Caco2) were detected and evaluated, sensitive cell lines and proper dosage of furosine for further animal experiment were determined, and the mechanisms of toxicity were explored...
February 16, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29458146/enhanced-anticancer-effects-of-scutellaria-barbata-d-don-in-combination-with-traditional-chinese-medicine-components-on-non-small-cell-lung-cancer-cells
#2
Qian Wang, Narayan Acharya, Zhongwei Liu, Xianmei Zhou, Meghan Cromie, Jia Zhu, Weimin Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Experience-based herbal medicine as a complementary to modern western medicine has triggered an array of studies in quest of novel anticancer drugs. Scutellaria barbata D. Don (SB) is commonly used to treat different types of cancers, but its molecular mechanism of action is not clearly understood. In this study, we attempted to elucidate the mode of action of a traditional Chinese medicine prescription with a total of 14 components, named Lian-Jia-San-Jie-Fang (LJSJF, in Chinese), where SB works as the "principle" against non-small cell lung cancer (NSCLC) cells...
February 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29458129/honeysuckle-encoded-microrna2911-inhibits-enterovirus-71-replication-via-targeting-vp1-gene
#3
Xihan Li, Ying Huang, Menghuai Sun, Hong Ji, Hui Dou, Jia Hu, Yanfeng Yan, Xu Wang, Leiyao Chen
Enterovirus 71 (EV71) is the primary pathogen of hand-foot-and-mouth disease (HFMD) in children and virus infections are associated with severe neurological dysfunctions and even death. MIR2911 is a honeysuckle-encoded atypical microRNA with extremely stability. Here, we report that MIR2911 directly inhibits EV71 replication by targeting the VP1 gene. Bioinformatics prediction and luciferase reporter assay showed that MIR2911 could target the VP1 gene of EV71. Transfection experiments using synthetic MIR2911 and extracted RNA from HS decoction shown that each of these preparations was capable of inhibiting EV71 VP1 protein expression; however, these preparations did not impact EV71 mutants in which the MIR2911-binding sites were mutated...
February 16, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29458091/role-of-the-ssek1-gene-in-the-pathogenicity-of-salmonella-enterica-serovar-enteritidis-in-vitro-and-in-vivo
#4
Yadong Yang, Chuan Yu, Ke Ding, Chunjie Zhang, Chengshui Liao, Yanyan Jia, Jing Li, Xiangchao Cheng
Salmonella enteritidis is a common food-borne pathogen associated with consumption of contaminated poultry meat and eggs, which frequently causes gastroenteritis in humans. Salmonella secreted effector K1 (SseK1), as a translocated and secreted protein has been identified to be essential for the virulence of Salmonella typhimurium in host cells. However, the role of the sseK1 gene in the pathogenicity of S. enteritidis remain unclear. In this study, a sseK1 deletion mutant of S. enteritidis was constructed and its biological characteristics were examined...
February 16, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29458090/designing-fluorescent-biosensors-using-circular-permutations-of-riboswitches
#5
Johnny Truong, Yu-Fang Hsieh, Lynda Truong, Guifang Jia, Ming C Hammond
RNA-based fluorescent (RBF) biosensors have been applied to detect a variety of metabolites in vitro and in live cells. They are designed by combining the ligand sensing domain of natural riboswitches with in vitro selected fluorogenic aptamers. Different biosensor topologies have been developed to accommodate the diversity of riboswitch structures. Here we show that circular permutation of the riboswitch ligand sensing domain also gives functional biosensors, using the SAM-I riboswitch as our model. We reveal that this design can enhance fluorescence turn-on and ligand binding affinity compared to the non-permuted topology...
February 16, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29458068/ovarian-microcystic-stromal-tumor-with-undetermined-potential-case-study-with-molecular-analysis-and-literature-review
#6
Ying Zhang, Lin Tao, Can Yin, Weiwei Wang, Hong Zou, Yan Ren, Weihua Liang, Jinfang Jiang, Wenjie Zhang, Wei Jia, Feng Li
Ovarian microcystic stromal tumor is a relatively rare tumor type. This tumor is characterized by a unique microcyst structure and essentially all tumors show benign biological behavior. Here, we report a case with a primary ovarian microcystic stromal tumor that experienced recurrence. Pathological findings showed that the original tumor, relapsed tumor in the ovary, and the recurrent tumor in the iliac fossa presented similar histological features. The tumor mainly consisted of microcysts, solid cellular regions, and a fibrous stroma...
February 16, 2018: Human Pathology
https://www.readbyqxmd.com/read/29458014/topical-delivery-of-l-theanine-ameliorates-tpa-induced-acute-skin-inflammation-via-downregulating-endothelial-pecam-1-and-neutrophil-infiltration-and-activation
#7
Wei-Jie Zeng, Zhi Tan, Xing-Fei Lai, Ya-Nan Xu, Chun-Lin Mai, Jun Zhang, Zhen-Jia Lin, Xian-Guo Liu, Shi-Li Sun, Li-Jun Zhou
l-theanine, the most abundant free amino acid in tea, has been documented to possess many different bioactive properties through oral or intragastrical delivery. However, little is known about the effect of topical delivery of l-theanine on acute inflammation. In the present study, by using 12-O-tetradecanoylphorbol-13-acetate (TPA, 2.5 μg/ear)-induced ear edema model in mice, we first found that single-dose local pretreatment of l-theanine 30 min before TPA time- and dose-dependently suppressed the increases in both skin thickness and weight...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29457995/validation-of-a-brazilian-portuguese-version-of-the-transition-readiness-assessment-questionnaire-traq-in-a-population-of-transitional-youth-with-chronic-rheumatologic-disorders
#8
Catherine G Anelli, Claudio A Len, Maria T Terreri, Gleice C S Russo, Andreas O Reiff
OBJECTIVE: To translate and validate the Brazilian Portuguese version of the Transition Readiness Assessment Questionnaire in a population of adolescents and young adults with chronic rheumatologic disorders. This questionnaire evaluates the patient's readiness for making the transition from the pediatric health service to adult care. METHODS: The four-phase methodology for the translation and validation of generic questionnaires was followed, including translation, back-translation, pilot testing and clinical validation of the final tool...
February 16, 2018: Jornal de Pediatria
https://www.readbyqxmd.com/read/29457987/the-rap2c-gtpase-facilitates-b-cell-receptor-induced-reorientation-of-the-microtubule-organizing-center
#9
Jia C Wang, Jeff Y-J Lee, May Dang-Lawson, Caitlin Pritchard, Michael R Gold
When B lymphocytes encounter antigen-bearing surfaces, B-cell receptor (BCR) signaling initiates remodeling of the F-actin network and reorientation of the microtubule-organizing center (MTOC) towards the antigen contact site. We have previously shown that the Rap1 GTPase, an evolutionarily conserved regulator of cell polarity, is essential for these processes and that Rap1-regulated actin remodeling is required for MTOC polarization. The role of Rap2 proteins in establishing cell polarity is not well understood...
February 19, 2018: Small GTPases
https://www.readbyqxmd.com/read/29457901/c-sp3-h-bond-functionalization-of-benzo-c-oxepines-via-c-o-bond-cleavage-formal-3-3-synthesis-of-multi-substituted-chromans
#10
Miao Wang, Bo-Cheng Tang, Jia-Chen Xiang, Yan Cheng, Zi-Xuan Wang, Jin-Tian Ma, Yan-Dong Wu, An-Xin Wu
An efficient base-promoted C(sp3)-H bond functionalization strategy for the synthesis of multi-substituted chromans from the formal [3+3] cycloaddition of benzo[c]oxepines and electron-rich phenols has been developed. The corresponding 4H-chromenes can be easily obtained in excellent yields by simple filtration from chromans. Preliminary mechanistic studies indicate that the C-O bond cleavage is the key step for the C(sp3)-H bond functionalization and this reaction could have occurred through a tandem C-O bond cleavage/ Michael addition/ annulation reactions...
February 19, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29457831/low-t3-syndrome-as-a-predictor-of-poor-prognosis-in-chronic-lymphocytic-leukemia
#11
Rui Gao, Rui-Ze Chen, Yi Xia, Jin-Hua Liang, Li Wang, Hua-Yuan Zhu, Jia-Zhu Wu, Lei Fan, Jian-Yong Li, Tao Yang, Wei Xu
Low triiodothyronine (T3) state is associated with poor prognosis in critical acute and prolonged illness. However, the information on thyroid dysfunction and cancer is limited. The aim of our study was to evaluate the prognostic value of low T3 syndrome in chronic lymphocytic leukemia (CLL). Two hundred and fifty-eight patients with detailed thyroid hormone profile at CLL diagnosis were enrolled. Low T3 syndrome was defined by low free T3 (FT3) level accompanied by normal-to-low free tetraiodothyronine (FT4) and thyroid-stimulating hormone (TSH) levels...
February 19, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29457720/anion-and-solvent-induced-single-crystal-to-single-crystal-transformation-within-an-iron-ii-triazole-system-a-promising-luminescent-probe-for-cro-4-2-and-cyano-containing-molecules
#12
Ying Wang, Ran Chen, Wei Jia, Qian Wang, Chong-Yu Xue, Jia-Hui Fan, Wan-Ru Qi, Yue-Juan Qin, Yu-Hua Pan, Rong-Rong Yang
Anion- and solvent-induced single-crystal-to-single-crystal transformation within an iron(II) triazole system has been generated from {[Fe(TPPT)2 Cl2 ]·CHCl3 }n (1a) to [Fe(TPPT)(C2 O4 )0.5 Cl(H2 O)]n (1b). Luminescence studies indicated that the resultant 1b can be considered as a promising luminescent probe for CrO4 2- and cyano molecules.
February 19, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29457441/-a-case-report-of-aged-radius-plasticity-bend
#13
Jia-Xin Liao, Xiao-Feng Liu
No abstract text is available yet for this article.
December 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457375/evidence-for-alternate-modes-of-b-cell-activation-involving-fab-acquired-n-glycosylations-in-antibody-secreting-cells-infiltrating-the-labial-salivary-glands-of-sj%C3%A3-gren-s-syndrome-patients
#14
Kristi A Koelsch, Joshua Cavett, Kenneth Smith, Jacen S Moore, Sylvain D Lehoux, Nan Jia, Tim Mather, Syed M S Quadri, Astrid Rasmussen, C Erick Kaufman, David M Lewis, Lida Radfar, Teresa A Scordino, Christopher J Lessard, Biji T Kurien, Richard D Cummings, Judith A James, Kathy L Sivils, A Darise Farris, R Hal Scofield
OBJECTIVE: To better understand the role of B cells, potential mechanisms for their aberrant activation, and the production of autoantibodies in the pathogenesis of Sjögren's Syndrome (SS), we explored selection pressures and N-glycosylation acquired by somatic mutation (acN-glyc) in the immunoglobulin (Ig) variable regions (V-regions) of antibody secreting cells (ASCs) isolated from the minor salivary glands of SS patients and non-SS controls with sicca symptoms. METHODS: We report a novel method to produce and characterize recombinant monoclonal antibodies (mAbs) from SS patient and control labial salivary gland single-cell sorted ASC infiltrates that can be utilized to concurrently probe any other expressed genes...
February 18, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29456799/from-ror%C3%AE-t-agonist-to-two-types-of-ror%C3%AE-t-inverse-agonists
#15
Yonghui Wang, Wei Cai, Ting Tang, Qian Liu, Ting Yang, Liuqing Yang, Yingli Ma, Guifeng Zhang, Yafei Huang, Xiaoxia Song, Lisa A Orband-Miller, Qianqian Wu, Ling Zhou, Zhijun Xiang, Jia-Ning Xiang, Stewart Leung, Liming Shao, Xichen Lin, Mercedes Lobera, Feng Ren
Biaryl amides as new RORγt modulators were discovered. The crystal structure of biaryl amide agonist 6 in complex with RORγt ligand binding domain (LBD) was resolved, and both "short" and "long" inverse agonists were obtained by removing from 6 or adding to 6 a proper structural moiety. While "short" inverse agonist ( 8 ) recruits a corepressor peptide and dispels a coactivator peptide, "long" inverse agonist ( 9 ) dispels both. The two types of inverse agonists can be utilized as potential tools to study mechanisms of Th17 transcriptional network inhibition and related disease biology...
February 8, 2018: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29456739/effects-of-pha-665752-and-vemurafenib-combination-treatment-on-in-vitro-and-murine-xenograft-growth-of-human-colorectal-cancer-cells-with-braf-v600e-mutations
#16
Jie Zhi, Zhongxin Li, Jian Lv, Bo Feng, Donghai Yang, Liang Xue, Zhaolong Zhao, Yanni Zhang, Jianhua Wu, Yingchao Jv, Yitao Jia
It remains unknown whether blockade of B-Raf proto-oncogene, serine/threonine kinase (BRAF)V600E signaling and MET proto-oncogene, receptor tyrosine kinase (c-Met) signaling is effective in suppressing the growth of human colorectal cancer (CRC) cells. The present study investigated the effects of the vemurafenib alone and in combination with c-Met inhibitor PHA-665752 on the growth of human CRC cells in vitro and in mouse xenografts. HT-29 and RKO CRC cell lines with BRAFV600E mutations and mice bearing HT-29 xenografts were treated with vemurafenib in the absence or presence of PHA-665752...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456696/infectious-mononucleosis-and-hepatic-function
#17
Li Zhang, Pingping Zhou, Zhaowei Meng, Chongjie Pang, Lu Gong, Qing Zhang, Qiyu Jia, Kun Song
Abnormal hepatic function is common in infectious mononucleosis (IM). However, it remains unknown why increased transferase levels are more common than bilirubin abnormalities in IM. The current study aimed to investigate these associations in the Chinese population. A total of 95 patients with IM (47 males and 48 females) were enrolled in the current study, as well as 95 healthy controls. Patients were sorted by sex. A receiver operating characteristic (ROC) curve was used to determine cut-off values for IM diagnosis and prediction...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456674/inflammation-responses-in-patients-with-pulmonary-tuberculosis-in-an-intensive-care-unit
#18
Qiu-Yue Liu, Fen Han, Li-Ping Pan, Hong-Yan Jia, Qi Li, Zong-De Zhang
Pulmonary tuberculosis caused by Mycobacterium tuberculosis remains a global problem. Inflammatory responses are the primary characteristics of patients with pulmonary tuberculosis in intensive care units (ICU). The aim of the present study was to investigate the clinical importance of inflammatory cells and factors for patients with pulmonary tuberculosis in ICU. A total of 124 patients with pulmonary tuberculosis in ICU were recruited for the present study. The inflammatory responses in patients with pulmonary tuberculosis in ICU were examined by changes in inflammatory cells and factors in the serum...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456660/the-role-of-mir-766-5p-in-cell-migration-and-invasion-in-colorectal-cancer
#19
Bin Jia, Lei Xia, Fang Cao
Colorectal cancer (CRC) develops from the colon or rectum and is the fourth highest inducer of cancer mortality. In the present study, cancer tissues and normal tissues were extracted from patients with CRC who were treated in the Affiliated Hospital of Shandong University of Traditional Chinese Medicine (Jinan, China). Reverse transcription-quantitative polymerase chain reaction demonstrated that the expression level of miR-766-5p was significantly higher (P<0.01) in cancer tissue than that in normal tissue...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456642/anti-semaphorin-7a-single-chain-antibody-demonstrates-beneficial-effects-on-pulmonary-inflammation-during-acute-lung-injury
#20
Xiao Chen, Hailing Wang, Kui Jia, Hao Wang, Tao Ren
Pulmonary inflammation is a primary characteristic of lung injury initiated by the accession of immune cells into the alveolar space. Neutrophil migration serves an important role in pulmonary inflammation mediated by the migration of neutrophils into hypoxic tissue sites. The elimination of pulmonary inflammation is directly associated with rehabilitation in patients with lung injury. Anti-inflammatory treatment is essential following lung injury and ultimately determines patient outcomes. Semaphorin-7A (SEMA-7A) is a member of the Semaphorin family that influences the migration of neutrophils into hypoxic tissue sites, thus promoting inflammation...
March 2018: Experimental and Therapeutic Medicine
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