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https://www.readbyqxmd.com/read/29223921/metabolism-and-pharmacokinetics-of-alantolactone-and-isoalantolactone-in-rats-thiol-conjugation-as-a-potential-metabolic-pathway
#1
Bailun Zhou, Ji Ye, Niao Yang, Liping Chen, Zhiguo Zhuo, Ling Mao, Qun Liu, Gongcai Lan, Jing Ning, Guangbo Ge, Ling Yang, Yunheng Shen, Shumei Wang, Weidong Zhang
Alantolactone (AL) and isoalantolactone (IAL), two major active sesquiterpene lactones isolated from Radix Inulae extract, have a wide range of pharmacological activities. The predominant metabolic pathway of AL and IAL observed was glutathione (GSH) conjugation in vitro, which could occur in the absence of metabolic enzymes. Non-enzymatic conjugation with cysteine (Cys) couldalso be observed. Four metabolites (AL-GSH, AL-Cys, IAL-GSH, IAL-Cys) were subsequently isolated and confirmed by nuclear magnetic resonance (NMR)...
December 2, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29223553/lipopolysaccharide-induces-autophagy-by-targeting-the-ampk-mtor-pathway-in-human-nasal-epithelial-cells
#2
Xue-Hai Wang, Zhong-Hua Zhang, Xiao-Lan Cai, Ping Ye, Xin Feng, Ting-Ting Liu, Xue-Zhong Li
Chronic rhinosinusitis (CRS) is a well-known disease encountered in the department of otorhinolaryngology, yet little is known about its pathogenesis. Autophagy, a lysosome-dependent degradation process, has been reported to be involved in the process of many chronic inflammatory diseases. Here we tried to evaluate the function of autophagy in CRS as well as explore the related mechanisms. We first stained light chain 3B (LC3B) with immunohistochemistry in uncinate tissues (UT) from patients with and without CRS and found that its expression was up-regulated in CRS patients...
December 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29223457/adsorption-behavior-and-mechanism-of-acidic-blue-25-dye-onto-cucurbit-8-uril-a-spectral-and-dft-study
#3
Hanhan Luo, Xiangyu Huang, Yuhan Luo, Zhuang Li, Lan Li, Chao Gao, Jinyan Xiong, Wei Li
The acidic blue 25 (AB25) dye was efficiently adsorbed by CB [8]; the saturated adsorption capacity (qexp) reached 434.8mg/g and was far higher than those of previous reported adsorbents. The Langmuir and Freundich isotherms were used to fit the equilibrium data, and the results showed that the Freundlich isotherm seemed to agree better with the AB25 adsorption. The adsorption kinetics followed the pseudo-second-order model. Calculated thermodynamic parameters showed that the adsorption of AB25 onto CB [8] was a spontaneous and enthalpy-driven process...
December 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29223397/-borneol-suppresses-conditioned-fear-recall-and-anxiety-like-behaviors-in-mice
#4
Bo Cao, Huan-Yu Ni, Jun Li, Ying Zhou, Xin-Lan Bian, Yan Tao, Cheng-Yun Cai, Cheng Qin, Hai-Yin Wu, Lei Chang, Chun-Xia Luo, Dong-Ya Zhu
Fear- and anxiety-related psychiatric disorders have been one of the major chronic diseases afflicting patients for decades, and new compounds for treating such disorders remain to be developed. (+)-Borneol, a bicyclic monoterpene found in several species of Artemisia and Dipterocarpaceae, is widely used for anxiety, pain and anesthesia in Chinese medicine. Meanwhile, it can potentiate GABA (γ-aminobutyric acid) activity directly in recombinant GABAA receptors. The present study was to investigate the effects of (+)-Borneol on both contextual and cued fear recall...
December 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29222903/vitamin-d-status-and-cardiometabolic-risk-factors-in-young-adults-in-hong-kong-associations-and-implications
#5
Erica Wei-Lan Wang, Marco Yiu-Chung Pang, Parco Ming-Fai Siu, Claudia Kam-Yuk Lai, Jean Woo, Andrew R Collins, Iris Ff Benzie
BACKGROUND AND OBJECTIVES: Vitamin D deficiency is reportedly common, but we lack data from young adults. Such data are of interest because epidemiological data support vitamin D as a possible risk modulator for diabetes and cardiovascular ('cardiometabolic') disease. Our objectives were to assess vitamin D status (as plasma 25(OH)D concentration) and investigate associations between this and biomarkers of cardiometabolic disease risk in a group of still-healthy young adults in Hong Kong...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222485/redox-switchable-breathing-behavior-in-tetrathiafulvalene-based-metal-organic-frameworks
#6
Jian Su, Shuai Yuan, Hai-Ying Wang, Lan Huang, Jing-Yuan Ge, Elizabeth Joseph, Junsheng Qin, Tahir Cagin, Jing-Lin Zuo, Hong-Cai Zhou
Metal-organic frameworks (MOFs) that respond to external stimuli such as guest molecules, temperature, or redox conditions are highly desirable. Herein, we coupled redox-switchable properties with breathing behavior induced by guest molecules in a single framework. Guided by topology, two flexible isomeric MOFs, compounds 1 and 2, with a formula of In(Me2NH2)(TTFTB), were constructed via a combination of [In(COO)4]- metal nodes and tetratopic tetrathiafulvalene-based linkers (TTFTB). The two compounds show different breathing behaviors upon the introduction of N2...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222368/novel-lncrna-erbb4-ir-promotes-diabetic-kidney-injury-in-db-db-mice-by-targeting-mir-29b
#7
Si F Sun, Patrick Mk Tang, Min Feng, Xiao Jun, Xiao R Huang, Ping Li, Ronal Cw Ma, Hui Y Lan
TGF-β/Smad signaling plays an important role in diabetic nephropathy. The present study identified a novel Smad3-dependent long non-coding RNA (lncRNA) Erbb4-IR in the development of type-2 diabetic nephropathy (T2DN) in db/db mice. We found that Erbb4-IR was highly expressed in T2DN of db/db mice and was specifically induced by AGE via a Smad3-dependent mechanism. The functional role of Erbb4-IR in T2DN was revealed by kidney-specific silencing of Erbb4-IR to protect against the development of T2DN such as elevated microalbuminuria, serum creatinine and progressive renal fibrosis in db/db mice, and to block AGE-induced collagen I and IV expression in mouse mesangial cells (mMCs) and mouse tubular epithelial cells (mTECs)...
December 8, 2017: Diabetes
https://www.readbyqxmd.com/read/29222107/il-33-promotes-the-egress-of-group-2-innate-lymphoid-cells-from-the-bone-marrow
#8
Matthew T Stier, Jian Zhang, Kasia Goleniewska, Jacqueline Y Cephus, Mark Rusznak, Lan Wu, Luc Van Kaer, Baohua Zhou, Dawn C Newcomb, R Stokes Peebles
Group 2 innate lymphoid cells (ILC2s) are effector cells within the mucosa and key participants in type 2 immune responses in the context of allergic inflammation and infection. ILC2s develop in the bone marrow from common lymphoid progenitor cells, but little is known about how ILC2s egress from the bone marrow for hematogenous trafficking. In this study, we identified a critical role for IL-33, a hallmark peripheral ILC2-activating cytokine, in promoting the egress of ILC2 lineage cells from the bone marrow...
December 8, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29221168/diagnosis-prognosis-and-bioinformatics-analysis-of-lncrnas-in-hepatocellular-carcinoma
#9
Meiyu Dai, Siyuan Chen, Xiaomou Wei, Xuan Zhu, Fang Lan, Shengming Dai, Xue Qin
This study aims to comprehensively analyze the diagnosis and prognosis of lncRNAs in hepatocellular carcinoma (HCC). From the Gene Expression Omnibus database, we screened out and analyzed the differently expressed lncRNAs and related mRNAs using bioinformatics methods. The expressions of lncRNAs were validated in tumor tissues, cell lines and the Cancer Genome Atlas database. At the same time, we also conducted an exploratory analysis on the diagnostic and prognostic ability of lncRNAs in HCC. In this study, we found that most of the targeted mRNAs promote the biological process of cell division, cellular component of nucleoplasm, molecular function of protein binding, which were significantly associated with 12 KEGG pathways...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220319/poi-summarization-by-aesthetics-evaluation-from-crowd-source-social-media
#10
Xueming Qian, Cheng Li, Ke Lan, Xingsong Hou, Zhetao Li, Junwei Han
Place-of-Interest (POI) summarization by aesthetics evaluation can recommend a set of POI images to the user and it is significant in image retrieval. In this paper, we propose a system that summarizes a collection of POI images regarding both aesthetics and diversity of the distribution of cameras. First, we generate visual albums by a coarse-to-fine POI clustering approach and then generate 3D models for each album by the collected images from social media. Second, based on the 3D to 2D projection relationship, we select candidate photos in terms of the proposed crowd source saliency model...
March 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29220184/matrix-isolation-and-quantum-chemical-analysis-of-the-c3v-conformer-of-xef6-xeof4-and-their-acetonitrile-adducts
#11
Maxim Gawrilow, Helmut Beckers, Sebastian Riedel, Lan Cheng
A joint experimental-computational study of the molecular structure and vibrational spectra of the XeF6 molecule is reported. The vibrational frequencies, intensities and in particular the isotopic frequency shifts of the vibrational spectra for 129XeF6 and 136XeF6 isotopologues recorded in the neon matrix agree very well with those obtained from relativistic coupledcluster calculations for XeF6 in the C3v structure, thereby strongly support the observation of the C3v conformer of the XeF6 molecule in the neon matrix...
December 8, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29219940/factors-influencing-postpartum-fatigue-in-vaginal-birth-women-testing-a-path-model
#12
Ching-Hsing Hsieh, Chien-Lan Chen, Tan-Ju Han, Pei-Ju Lin, Hui-Chun Chiu
BACKGROUND: Postpartum fatigue is a very common complaint among postpartum women. Although current evidence indicates that several factors (e.g., parity, epidural analgesia, perineal trauma, perineal pain, and longer second stage of labor) are associated with postpartum, not enough is known about the relationships among these physical factors simultaneously and how they contribute to the development of postpartum fatigue. Increased awareness of the complex relationships among these factors will help nurses assess, prevent, and alleviate postpartum fatigue...
December 6, 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/29219729/drought-stress-responses-in-maize-are-diminished-by-piriformospora-indica
#13
Wenying Zhang, Jun Wang, Le Xu, Aiai Wang, Lan Huang, Hewei Du, Lijuan Qiu, Ralf Oelmüller
As an endophytic fungus of Sebacinales, Piriformospora indica promotes plant growth and resistance to abiotic stress, including drought. Colonization of maize roots promoted the leaf size, root length and number of tap roots. Under drought stress, the maize seedlings profited from the presence of the fungus and performed visibly better than the uncolonized controls. To identify genes and biological processes involved in growth promotion and drought tolerance conferred by P. indica, the root transcriptome of colonized and uncolonized seedlings was analyzed 0, 6 and 12 h after drought stress (20% polyethylene glycol 6000)...
December 8, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/29219519/vibrational-properties-of-a-monolayer-silicene-sheet-studied-by-tip-enhanced-raman-spectroscopy
#14
Shaoxiang Sheng, Jiang-Bin Wu, Xin Cong, Wenbin Li, Jian Gou, Qing Zhong, Peng Cheng, Ping-Heng Tan, Lan Chen, Kehui Wu
Combining ultrahigh sensitivity, spatial resolution, and the capability to resolve chemical information, tip-enhanced Raman spectroscopy (TERS) is a powerful tool to study molecules or nanoscale objects. Here we show that TERS can also be a powerful tool in studying two-dimensional materials. We have achieved a 10^{9} Raman signal enhancement and a 0.5 nm spatial resolution using monolayer silicene on Ag(111) as a prototypical 2D material system. Because of the selective enhancement on Raman modes with vertical vibrational components in TERS, our experiment provides direct evidence of the origination of Raman modes in silicene...
November 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29218954/-study-on-formation-and-changes-of-dao-di-herbs-production-origin-of-gastrodia-elata
#15
Da-Hui Liu, Wen-Ling Gong, Zhi-Lai Zhan, Hua-Sheng Peng, Xiao Wang, Ke-Li Chen, Bi-Sheng Huang, Lan-Ping Guo
Gastrodia elata has been used in China for more than 2 000 years and it is a kind of valuable traditional Chinese medicine. The originrecords of G. elata were Mount Tai of Shandong and and Mount Song of Henan, which began in Wupu Bencao of Wei Jin Dynasties, and Tai'an and its surrounding areas had been the Do-di herbs production areas. But from the beginning of the Republic of China, G. elata origin has undergone major changes, Do-di herbs production areas moved westward to the southwest.In this paper,through literature research and field visits, we studied the formation and changes of Do-di herbs production areas of G...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29218952/-research-strategies-for-feed-additives-and-veterinary-medicines-from-side-products-of-chinese-medicine-resources-industrialization
#16
Ming Zhao, Jin-Ao Duan, Sen Zhang, Sheng Guo, Shu-Lan Su, Qi-Nan Wu, Yu-Ping Tang, Jian-Guo Zeng
The global antimicrobial resistance has been a big challenge to the human health for years. It has to make balance between the safety of animal products and the use of antimicrobials in animal husbandry. Any methods that can minimize or even phase out the use of antimicrobials in animal husbandry should be encouraged. We herein describe the research strategies for feed additives and veterinary medicines from the side products of Chinese medicine resources industrialization. Killing two birds with one stone-besides the major purposes, the rational utilization of non-medicinal parts and wastes of industrialization of Chinese herbal medicines is also achieved under the proposed strategies...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29218946/-metabolism-of-inula-cappa-extract-by-rat-intestinal-bacteria-in-vitro
#17
Zi-Peng Gong, Jing-Yu Hou, Mei Li, Lin-Lin Wu, Ting-Ting Chen, Yong-Jun Li, Ai-Min Wang, Yan-Yu Lan, Yong-Lin Wang
To investigate the metabolism of major components in Inula cappa by rat intestinal bacteria in vitro. I. cappa extract was incubated for 24 h with rat intestinal bacteria under anaerobic environment. After the samples were precipitated by n-butanol, UPLC-Q-TOF-MS/MS was applied for the qualitative analysis of the metabolites, combined with data software such as Metabolite Tools, Data Analysis and so on. The potential metabolites in rat intestinal bacteria were analyzed by comparing the total ion current of the test samples and blank samples and analyzing the quasi-molecular ion and fragment ion of all chromatograms...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29218934/-quantative-analysis-of-eupatilin-and-jaceosidin-in-folium-of-artemisia-argyi-from-different-areas-in-china-by-rp-hplc-based-on-ancient-medicine-books
#18
Xian-Zhang Huang, Li-Ping Kang, Li Gao, Yuan Zhang, Lan-Ping Guo, Lu-Qi Huang
In order to evaluate the quality of Artemisia argyi from Qichun, Ningbo, Anguo and Nanyang, the contents of eupatilin and jaceosidin were determined by RP-HPLC. The determination was performed on Agilent Eclipse XDB-C₁₈ (4.6 mm×250 mm, 5 μm) with mobile phase consisted of acetonitrile-0.2% phosphoric acid(35∶65) at the flow rate 1.0 mL•min ⁻¹. The detection wavelength was 350 nm and the column temperature was 25 ℃. The results showed that the amount of eupatilin and jaceosidin had a clear linear relationship in the range of 0...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29218926/-determination-of-eight-steroidal-saponins-in-15-kinds-of-genus-paris
#19
Yuan-Yuan Huang, Da-Hui Liu, Hua-Sheng Peng, Qing-Xiu Hao, Mei-Lan Chen, A-Zhong Zhang, Min Chen, Li-Ping Kang, Lu-Qi Huang
The study was established an HPLC method for simultaneous determination of 8 steroidal saponins (polyphyllins Ⅶ, H, Ⅵ, Ⅱ, Ⅰ, and Ⅴ, dioscin, and gracillin) in Paridis Rhizoma, and made an evaluation by determining steroidal saponins in 15 kinds of genus Paris. The analysis was performed on a Waters Acquity H-ClassTM UPLC ultrafine liquid chromatography system coupled with a PDA detector. The chromatographic separation was achieved through a CAPCELL PAK ADME (4.6 mm× 250 mm, 5 μm) column and the optimal mobile phase consisted of acetonitrile and water...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29218243/elevated-hbxip-expression-is-associated-with-aggressive-phenotype-and-poor-prognosis-in-esophageal-squamous-cell-carcinoma
#20
Honggang Xia, Lan Ma, Jing Li, Hongyu Bai, Dongbin Wang
The oncoprotein hepatitis B virus X-interacting protein (HBXIP) has been suggested to play an essential role in several malignancies. However, the clinicopathological significance and prognostic value of HBXIP expression in esophageal squamous cell carcinoma (ESCC) is still unknown. Therefore the aim of this study was to characterize HBXIP expression and its prognostic value in ESCC. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot were performed to assess the mRNA and protein expression of HBXIP in ESCC tissues and cell lines...
2017: American Journal of Cancer Research
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