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https://www.readbyqxmd.com/read/28335506/a-colorimetric-sensor-for-the-highly-selective-detection-of-sulfide-and-1-4-dithiothreitol-based-on-the-in-situ-formation-of-silver-nanoparticles-using-dopamine
#1
Lingzhi Zhao, Liu Zhao, Yanqing Miao, Chunye Liu, Chenxiao Zhang
Hydrogen sulfide (H₂S) has attracted attention in biochemical research because it plays an important role in biosystems and has emerged as the third endogenous gaseous signaling compound along with nitric oxide (NO) and carbon monoxide (CO). Since H₂S is a kind of gaseous molecule, conventional approaches for H₂S detection are mostly based on the detection of sulfide (S(2-)) for indirectly reflecting H₂S levels. Hence, there is a need for an accurate and reliable assay capable of determining sulfide in physiological systems...
March 20, 2017: Sensors
https://www.readbyqxmd.com/read/28322148/effects-of-exogenous-salicylic-acid-on-ganoderic-acid-biosynthesis-and-the-expression-of-key-genes-in-the-ganoderic-acid-biosynthesis-pathway-in-the-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes
#2
Peng-Fei Cao, Chen-Gao Wu, Zhi-Hao Dang, Liang Shi, Ai-Liang Jiang, Ang Ren, Ming-Wen Zhao
We demonstrate herein that salicylic acid (SA) can enhance ganoderic acid (GA) accumulation in the lingzhi or reishi medicinal mushroom Ganoderma lucidum. Following treatment with different concentrations of SA, the GA content was increased 22.72% to 43.04% compared with the control group. When the fungi were treated with 200 μmol/L SA at different times, the GA content was improved 10.21% to 35.24% compared with the control group. By choosing the optimum point based on response surface methodology, the GA content could be increased up to 229...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28322142/enhanced-release-of-immunostimulating-%C3%AE-1-3-glucan-by-autodigestion-of-the-lingzhi-medicinal-mushroom-ganoderma-lingzhi-agaricomycetes
#3
Yuina Ishimoto, Ken-Ichi Ishibashi, Daisuke Yamanaka, Yoshiyuki Adachi, Hisatomi Ito, Kentaro Igami, Toshitsugu Miyazaki, Naohito Ohno
Ganoderma lingzhi is a widely used medicinal mushroom that has antioxidative effects, ameliorates insulin resistance, and improves quality of life in patients with metabolic syndrome. Potentiation of immunity is also a major function of G. lingzhi, and this has been applied in patients with cancer. Supplementing G. lingzhi into foods reduced the metastasis of cancer cells. β-l,3-glucan is an important bioactive component of G. lingzhi. In this study we enhanced the solubilization ofimmunostimulating β-l,3-glucan by autodigestion of G...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28245473/anti-fibrosis-effect-of-relaxin-and-spironolactone-combined-on-isoprenaline-induced-myocardial-fibrosis-in-rats-via-inhibition-of-endothelial-mesenchymal-transition
#4
Jiejie Cai, Xiao Chen, Xingxing Chen, Lingzhi Chen, Gaoshu Zheng, Xi Zhou, Hao Zhou
BACKGROUND: The effect of relaxin and spironolactone combined on myocardial fibrosis has not been reported. Thus, we investigated the effect of the combined therapy on isoprenaline-induced myocardial fibrosis and the mechanism. METHODS: Rats were injected subcutaneously with isoprenaline to induce myocardial fibrosis and underwent subcutaneous injection with relaxin (2 µg·kg-1·d-1) and given a gavage of spironolactone (30 mg·kg-1·d-1) alone or combined for 14 days...
March 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28224891/side-chain-crystallization-in-alkyl-substituted-cellulose-esters-and-hydroxypropyl-cellulose-esters
#5
Xi Chen, Nan Zheng, Qiao Wang, Lingzhi Liu, Yongfeng Men
The differences in side chain crystallization behavior between cellulose esters (CEs) and hydroxypropyl cellulose esters (HPCEs) were systematically investigated by a combination of differential scanning calorimetry (DSC) and small and wide-angle X-ray scattering techniques. DSC investigation indicated that under the same side chain length, the fusion enthalpy and the number of crystallized CH2 of CEs were smaller than HPCEs. At the same time, their d-spacing and molecular arrangements were also different from each other...
April 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28213900/c-h-direct-arylated-6h-indolo-2-3-b-quinoxaline-derivative-as-thickness-dependent-hole-injection-layer
#6
Dai Dong, Da Fang, Hairong Li, Caixia Zhu, Xianghua Zhao, Jiewei Li, Lingzhi Jin, Linghai Xie, Lin Chen, Jianfeng Zhao, Hongmei Zhang, Wei Huang
A novel perfluoro-1,4-phenylenyl 6H-indolo[2,3-b]quinoxaline derivative (TFBIQ) was designed and synthesized via C-H direct arylation. The opto-electrical properties of the obtained TFBIQ were fully characterized by UV-vis and photoluminescence, cyclic voltammetry, film morphology and Alq3-based green organic light emitting diodes (OLEDs). Device A using 0.5 nm thick TFBIQ as the interfacial modification layer exhibits the best five advantages of device performance including the lowest minimum turn-on voltage (Von) as low as 3...
February 18, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28157715/combined-use-of-irinotecan-with-histone-deacetylase-inhibitor-belinostat-could-cause-severe-toxicity-by-inhibiting-sn-38-glucuronidation-via-ugt1a1
#7
Lingzhi Wang, Chong En Linus Chan, Andrea Li-Ann Wong, Fang Cheng Wong, Siew Woon Lim, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Lawrence Soon-U Lee, Ross Soo, Wei Peng Yong, Soo Chin Lee, Paul Chi-Lui Ho, Gautam Sethi, Boon Cher Goh
SN-38, the active metabolite of irinotecan, and histone deacetylase inhibitors (HDACis) such as belinostat, vorinostat and panobinostat, have all been shown to be deactivated by glucuronidation via UGTs. Since they all compete for UGTs for deactivation, we aimed to investigate the inhibitory effect of various HDACis on the glucuronidation of SN-38. This inhibitory effect was determined by measuring the formation rate of SN-38 glucuronide after SN-38 incubation with human recombinant UGT1A isoforms (1A1, 1A6, 1A7 and 1A9) and pooled human liver microsomes (HLM, wild type, UGT1A1*1*28 and UGT1A1*28*28 allelic variants), with and without HDACis...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28143662/screening-and-analysis-of-potential-anti-tumor-components-from-the-stipe-of-ganoderma-sinense-using-high-performance-liquid-chromatography-time-of-flight-mass-spectrometry-with-multivariate-statistical-tool
#8
Kar-Man Chan, Grace Gar-Lee Yue, Ping Li, Eric Chun-Wai Wong, Julia Kin-Ming Lee, Edward J Kennelly, Clara Bik-San Lau
According to Chinese Pharmacopoeia 2015 edition, Ganoderma (Lingzhi) is a species complex that comprise of Ganoderma lucidum and Ganoderma sinense. The bioactivity and chemical composition of G. lucidium had been studied extensively, and it was shown to possess antitumor activities in pharmacological studies. In contrast, G. sinense has not been studied in great detail. Our previous studies found that the stipe of G. sinense exhibited more potent antitumor activity than the pileus. To identify the antitumor compounds in the stipe of G...
March 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28126620/ifna2-of-triploid-hybrid-of-gold-fish-and-allotetraploid-is-an-intracellular-antiviral-cytokine-against-svcv-and-gcrv
#9
Jun Yan, Lingzhi Peng, Mengdie Chi, Jun Xiao, Jun Li, Shaojun Liu, Hao Feng
Sterile triploid hybrids (3n = 150) of gold fish (Carassius auratus red var., ♀, 2n = 100) and allotetroploid (♂, 2n = 100) display obviously improved disease resistance and much enhanced growth rate than their parents, which have been cultured widely in China. In this paper, one of the type I IFNs of triploid hybrid (3nIFNa2) has been cloned and characterized. The full-length cDNA of 3nIFNa2 gene consists of 715 nucleotides and the predicted 3nIFNa2 contains 183 amino acids. The transcription of 3nIFNa2 gene was detected in all the examined tissues of triploid hybrid and the mRNA level of 3nIFNa2 was obviously enhanced in response to SVCV and GCRV infection...
January 24, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28098801/a-novel-antihypertensive-derived-from-adlay-coix-larchryma-jobi-l-var-ma-yuen-stapf-glutelin
#10
Bin Li, Liansheng Qiao, Lingling Li, Yanling Zhang, Kai Li, Lingzhi Wang, Yanjiang Qiao
Our previous studies have shown that Coix glutelin pepsin hydrolysate can effectively inhibit angiotensin converting enzyme (ACE) activity in vitro. The main purpose of this study was to obtain potent anti-hypertensive peptides from Coix glutelin. The Coix glutelin hydrolysates (CGH) were prepared by pepsin catalysis and further separated by an ultrafitration (UF) system, gel filtration chromatography (GFC) and reversed-phase high performance liquid chromatography (RP-HPLC). As a result, the sub-fraction F5-3 had the highest ACE-inhibitory activity...
January 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28096083/lrssl-predict-and-interpret-drug-disease-associations-based-on-data-integration-using-sparse-subspace-learning
#11
Xujun Liang, Pengfei Zhang, Lu Yan, Ying Fu, Fang Peng, Lingzhi Qu, Meiying Shao, Yongheng Chen, Zhuchu Chen
MOTIVATION: Exploring the potential curative effects of drugs is crucial for effective drug development. Previous studies have indicated that integration of multiple types of information could be conducive to discovering novel indications of drugs. However, how to efficiently identify the mechanism behind drug-disease associations while integrating data from different sources remains a challenging problem. RESULTS: In this research, we present a novel method for indication prediction of both new drugs and approved drugs...
January 17, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28093254/risperidone-ameliorated-a%C3%AE-1-42-induced-cognitive-and-hippocampal-synaptic-impairments-in-mice
#12
Lingzhi Wu, Xiaowen Feng, Tingting Li, Baojuan Sun, Muhammad Zahid Khan, Ling He
Alzheimer's disease (AD) is a complex neurodegenerative disorder with cognitive impairment and major neuropathologic hallmark of amyloid-beta (Aβ) peptides. Risperidone, an atypical antipsychotic, can improve concentration and cognitive deficit in schizophrenia patients. In this study, behavior tests including Morris Water Maze test, Step-through passive avoidance test, Open Field test, Step-Down test, Hole-Board test and Novel object recognition test were preformed to examine the effect of Risperidone on Aβ1-42-induced cognitive dysfunction in both long-term and short-term memory...
March 30, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28081443/the-bacterial-t6ss-effector-evpp-prevents-nlrp3-inflammasome-activation-by-inhibiting-the-ca-2-dependent-mapk-jnk-pathway
#13
Hao Chen, Dahai Yang, Fajun Han, Jinchao Tan, Lingzhi Zhang, Jingfan Xiao, Yuanxing Zhang, Qin Liu
Inflammasome activation is an important innate immune defense mechanism against bacterial infection, and in return, bacteria express virulence determinants that counteract inflammasome activation. Many such effectors are secreted into host cells via specialized bacterial secretion systems. Here, the intracellular pathogenic bacterium Edwardsiella tarda was demonstrated to activate NLRC4 and NLRP3 inflammasomes via a type III secretion system (T3SS), and to inhibit NLRP3 inflammasome via a type VI secretion system (T6SS), indicating the antagonistic roles of these systems in inflammasome signaling...
January 11, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28074433/partial-contribution-of-rho-kinase-inhibition-to-the-bioactivity-of-ganoderma-lingzhi-and-its-isolated-compounds-insights-on-discovery-of-natural-rho-kinase-inhibitors
#14
Yhiya Amen, Qinchang Zhu, Hai-Bang Tran, Mohamed S Afifi, Ahmed F Halim, Ahmed Ashour, Kuniyoshi Shimizu
Recent studies identified Rho-kinase enzymes (ROCK-I and ROCK-II) as important targets that are involved in a variety of diseases. Synthetic Rho-kinase inhibitors have emerged as potential therapeutic agents to treat disorders such as hypertension, stroke, cancer, diabetes, glaucoma, etc. Our study is the first to screen the total ethanol extract of the medicinal mushroom Ganoderma lingzhi with thirty-five compounds for Rho-kinase inhibitory activity. Moreover, a molecular binding experiment was designed to investigate the binding affinity of the compounds at the active sites of Rho-kinase enzymes...
January 10, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28071893/deterministic-reshaping-of-breath-figure-arrays-by-directional-photomanipulation
#15
Wei Wang, Yuan Yao, Tianchan Luo, Lingzhi Chen, Jiaping Lin, Lei Li, Shaoliang Lin
The fabrication of desired structures is one of the most urgent topics in current research on porous polymer films. Herein, directional photomanipulation in conjunction with breath figure processing has been demonstrated for the preparation of porous polymeric films with finely tunable pore shape and size. Because of the photoinduced directional mass migration of azobenzene units upon vertical incident linearly polarized light (LPL) irradiation, round pores on honeycomb films can be reshaped into multifarious shapes including rectangle, rhombus, dumbbell, line, and so forth...
February 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28068571/photocatalytic-degradation-of-clofibric-acid-by-g-c3n4-p25-composites-under-simulated-sunlight-irradiation-the-significant-effects-of-reactive-species
#16
Ping Chen, Fengliang Wang, Qianxin Zhang, Yuehan Su, Lingzhi Shen, Kun Yao, Zhi-Feng Chen, Yang Liu, Zongwei Cai, Wenying Lv, Guoguang Liu
Pharmaceutically emerging micropollutants have become an environmental concern in recent years. In the present paper, the reactive species (RSs)-induced degradation mechanism of clofibric acid (CA) was investigated using a newly sunlight-driven g-C3N4/P25 photocatalyst. A very low g-C3N4 content of 8.0 weight percent resulted in a 3.36 and a 2.29 times faster reaction rate for CA photodegradation than for pristine g-C3N4 and P25, respectively. Electron spin resonance and quenching experiments demonstrated the participation of HO, h(+), e(-), (1)O2 and O2(·-) in the photocatalytic system, and the contribution rates were calculated to 73...
April 2017: Chemosphere
https://www.readbyqxmd.com/read/28038327/synthesis-of-new-sarsasapogenin-derivatives-with-cytotoxicity-and-apoptosis-inducing-activities-in-human-breast-cancer-mcf-7%C3%A2-cells
#17
Wenbao Wang, Di Wang, Zedan Wang, Guodong Yao, Xue Li, Pinyi Gao, Lingzhi Li, Yan Zhang, Shaojie Wang, Shaojiang Song
Based on the fact that Timosaponin A-III, a saponin isolated from the rhizome of Anemarrhena asphodeloides, is a promising bioactive lead compound in the treatment of cancer, structural modification at the C3 and C26 positions of sarsasapogenin has always been the focus of our structure-activity investigations. In this paper, we describe the synthesis of a range of new derivatives 5a-5o and the evaluation of their antitumor activities in a panel of six human cancer cell lines using the MTT assay in vitro. The results obtained showed that compounds 5h, 5i, and 5n exhibited significant cytotoxic activities against the six cell lines, being more potent than their parent compound sarsasapogenin...
February 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27995968/preliminary-effectiveness-of-breast-cancer-screening-among-1-22-million-chinese-females-and-different-cancer-patterns-between-urban-and-rural-women
#18
Yubei Huang, Hongji Dai, Fengju Song, Haixin Li, Ye Yan, Zhenhua Yang, Zhaoxiang Ye, Sheng Zhang, Hong Liu, Yali Cao, Li Xiong, Yahong Luo, Tie Pan, Xiangjun Ma, Jie Wang, Xiuling Song, Ling Leng, Yeping Zhang, Jie Sun, Jialin Wang, Hengmin Ma, Lingzhi Kong, Zhenglong Lei, Yaogang Wang, Wang Peishan, Jiali Han, Xishan Hao, Kexin Chen
To determine the preliminary effectiveness of breast cancer screening among Chinese females, 1226714 women aged 35-69 years first received clinical breast examinations. Urban women with suspected cancer received mammography followed by breast ultrasound (BUS), while rural suspected women underwent BUS followed by mammography. After one-year follow-up, 223 and 431 breast cancers were detected among urban and rural women (respectively), with overall detection rates of 0.56/1000 and 0.52/1000. Higher detection rates were significantly associated with older age at screening for both urban and rural women; additionally, urban women were at significantly higher risk if they had no job, no insurance, or were obese; additional risk factors specific to rural women included Han nationality, higher income, being unmarried, and having a family history of cancer (all P values < 0...
December 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27983650/discovery-of-anti-hypertensive-oligopeptides-from-adlay-based-on-in-silico-proteolysis-and-virtual-screening
#19
Liansheng Qiao, Bin Li, Yankun Chen, Lingling Li, Xi Chen, Lingzhi Wang, Fang Lu, Ganggang Luo, Gongyu Li, Yanling Zhang
Adlay (Coix larchryma-jobi L.) was the commonly used Traditional Chinese Medicine (TCM) with high content of seed storage protein. The hydrolyzed bioactive oligopeptides of adlay have been proven to be anti-hypertensive effective components. However, the structures and anti-hypertensive mechanism of bioactive oligopeptides from adlay were not clear. To discover the definite anti-hypertensive oligopeptides from adlay, in silico proteolysis and virtual screening were implemented to obtain potential oligopeptides, which were further identified by biochemistry assay and molecular dynamics simulation...
December 14, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27957494/the-gut-microbial-community-of-antarctic-fish-detected-by-16s-rrna-gene-sequence-analysis
#20
Wei Song, Lingzhi Li, Hongliang Huang, Keji Jiang, Fengying Zhang, Xuezhong Chen, Ming Zhao, Lingbo Ma
Intestinal bacterial communities are highly relevant to the digestion, nutrition, growth, reproduction, and a range of fitness in fish, but little is known about the gut microbial community in Antarctic fish. In this study, the composition of intestinal microbial community in four species of Antarctic fish was detected based on 16S rRNA gene sequencing. As a result, 1 004 639 sequences were obtained from 13 samples identified into 36 phyla and 804 genera, in which Proteobacteria, Actinobacteria, Firmicutes, Thermi, and Bacteroidetes were the dominant phyla, and Rhodococcus, Thermus, Acinetobacter, Propionibacterium, Streptococcus, and Mycoplasma were the dominant genera...
2016: BioMed Research International
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