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Pharmaceutical Biology

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https://www.readbyqxmd.com/read/30415587/ma-huang-tang-ameliorates-bronchial-asthma-symptoms-through-the-tlr9-pathway
#1
Jiayuan Jiao, Jiming Wu, Jiali Wang, Yaping Guo, Le Gao, Honggang Liang, Jian Huang, Jinhui Wang
CONTEXT: Ma Huang Tang (MHT) has been used to treat influenza, fever, bronchial asthma, etc. as a traditional Chinese medication. However, the anti-inflammation mechanism of MHT remains unclear. OBJECTIVE: The study identifies the possible mechanisms of MHT on ovalbumin (OVA)-induced acute bronchial asthma in mice. MATERIALS AND METHODS: First, an asthma-related protein-protein interaction (PPI) network was constructed. And then, the acute bronchial asthma mice models were established by exposing to aerosolized 1% ovalbumin for 30 min/day for 1 week, and the mice were administered 2...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30392423/phylogenetic-analysis-of-uncaria-species-based-on-internal-transcribed-spacer-its-region-and-its2-secondary-structure
#2
Shuang Zhu, Qiwei Li, Shanchong Chen, Yesheng Wang, Lin Zhou, Changqing Zeng, Jun Dong
CONTEXT: The plant genus Uncaria (Rubiaceae), also known as Gouteng, is the source of an important traditional Chinese medicine. Misidentification and adulteration of Gouteng affect the safety and efficacy of the medication. Phylogenetic relationships among the species of this genus are unknown. OBJECTIVE: The present study sought to detect the phylogenetic relationships based on internal transcribed spacer (ITS) region of all 12 species of Uncaria recorded in the Flora of China...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30392422/anti-inflammatory-effects-of-shikonin-in-human-periodontal-ligament-cells
#3
Chen Fan, Xufang Zhang, Zee Upton
CONTEXT: Shikonin (SHI), an active component extracted from Radix Arnebiae, has been reported to possess anti-inflammatory properties in various cells. However, its effect on lipopolysaccharide (LPS)-stimulated human periodontal ligament cells (hPDLCs) is unknown. OBJECTIVE: To investigate the effects of SHI on the expression of inflammatory related cytokines in LPS-stimulated hPDLCs. MATERIALS AND METHODS: The effects of SHI (0.125, 0.25, 0...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30387372/green-synthesis-of-selenium-nanoparticles-with-extract-of-hawthorn-fruit-induced-hepg2-cells-apoptosis
#4
Dongxiao Cui, Tingting Liang, Liqian Sun, Liqiang Meng, Congcong Yang, Liwei Wang, Taigang Liang, Qingshan Li
CONTEXT: Selenium nanoparticles (SeNPs) have attracted worldwide attention due to their unique properties and potential bioactivities. Considering that hawthorn is both a traditional medicine and a common edible food, hawthorn fruit extract (HE) was chosen as a reductant to prepare SeNPs. OBJECTIVE: SeNPs were synthesized by using an aqueous HE as a reductant and stabilizer. The antitumor activities and potential mechanisms of SeNPs were explored by using a series of cellular assays...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30375253/crataegus-aronia-enhances-sperm-parameters-and-preserves-testicular-architecture-in-both-control-and-non-alcoholic-fatty-liver-disease-induced-rats
#5
Mohammad Dallak
CONTEXT: Crataegus aronia (syn. Azarolus L.) (Rosaceae) is used in traditional medicine due to its hypolipidaemic and antioxidant properties. OBJECTIVES: This study investigates the effect of C. aronia whole plant aqueous extract on sperm parameter and testicular structure in control and non-alcoholic fatty liver disease (NAFLD)-induced rats. MATERIALS AND METHODS: Male rats were divided into six groups (10 rats each) as control fed a standard diet (STD) (10% kcal), STD + C...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30354840/safranal-promoted-differentiation-and-survival-of-dopaminergic-neurons-in-an-animal-model-of-parkinson-s-disease
#6
Yi Zhao, Gangming Xi
CONTEXT: Safranal (SAF) is verified to have potential effects in promoting nerve growth. OBJECTIVES: This study verifies the role of SAF in promoting dopaminergic neurons growth in vitro and in vivo. MATERIAL AND METHODS: Rat neural stem cells (NSC) were treated with 1, 20, or 100 ng/mL of SAF, and the expression levels of tyrosine hydroxylase (TH) and dopamine transporter (DAT) were assayed by flow cytometry and real-time PCR and the secretion of dopamine (DA) was assayed by ELISA...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30345900/effects-of-psoralen-on-the-pharmacokinetics-of-anastrozole-in-rats
#7
Yuzhu Zhang, Jingjing Wu, Yue Zhou, Yulian Yin, Hongfeng Chen
CONTEXT: Psoralen and anastrozole are always used together for breast cancer patients in Chinese clinics. OBJECTIVE: This study investigates the effects of psoralen on the pharmacokinetics of anastrozole in rats and its potential mechanism. MATERIALS AND METHODS: The pharmacokinetics of orally administered anastrozole (0.5 mg/kg) with (test group) or without (Control group) psoralen pretreatment (20 mg/kg/day for 10 days) in male Sprague-Dawley rats (six rats in each group) were investigated...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30303034/echinacea-biotechnology-advances-commercialization-and-future-considerations
#8
Jessica L Parsons, Stewart I Cameron, Cory S Harris, Myron L Smith
CONTEXT: Plants of the genus Echinacea (Asteraceae) are among the most popular herbal supplements on the market today. Recent studies indicate there are potential new applications and emerging markets for this natural health product (NHP). OBJECTIVE: This review aims to synthesize recent developments in Echinacea biotechnology and to identify promising applications for these advances in the industry. METHODS: A comprehensive survey of peer-reviewed publications was carried out, focusing on Echinacea biotechnology and impacts on phytochemistry...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30301390/dicranopteris-linearis-extract-inhibits-the-proliferation-of-human-breast-cancer-cell-line-mda-mb-231-via-induction-of-s-phase-arrest-and-apoptosis
#9
Aifaa Akmal Baharuddin, Rushduddin Al Jufri Roosli, Zainul Amiruddin Zakaria, Siti Farah Md Tohid
CONTEXT: Dicranopteris linearis (Burm.f.) Underw. (Gleicheniaceae) has been scientifically proven to exert various pharmacological activities. Nevertheless, its anti-proliferative potential has not been extensively investigated. OBJECTIVE: To investigate the anti-proliferative potential of D. linearis leaves and determine possible mechanistic pathways. MATERIALS AND METHODS: MTT assay was used to determine the cytotoxic effects of D. linearis methanol (MEDL) and petroleum ether (PEEDL) extracts at concentrations of 100, 50, 25, 12...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30301388/3-3-diindolylmethane-enhances-apoptosis-in-docetaxel-treated-breast-cancer-cells-by-generation-of-reactive-oxygen-species
#10
Susan Lanza-Jacoby, Guanjun Cheng
CONTEXT: A major problem in the treatment of cancer is the development of toxic side effects and resistance to chemotherapy. The use of plant compounds to overcome resistance and prevent toxicity is a potential strategy for treatment. OBJECTIVE: We evaluated whether 3,3'-diindolylmethane (DIM) enhanced the sensitivity of breast cancer cells to docetaxel (DOC). MATERIALS AND METHODS: MDA-MB231 and Sk-BR-3 cells were treated with and without 25 or 50 µM of DIM and 1 nM of DOC for 48 and 72 h, respectively...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30270694/synthesis-characterization-and-evaluation-of-transfection-efficiency-of-dexamethasone-conjugated-poly-propyleneimine-nanocarriers-for-gene-delivery
#11
Bizhan Malaekeh-Nikouei, Mehdi Rezaee, Leila Gholami, Naghmeh Sanjar Mousavi, Reza Kazemi Oskuee
CONTEXT: Polypropylenimine (PPI), a cationic dendrimer with defined structure and positive surface charge, is a potent non-viral vector. Dexamethasone (Dexa) conveys to the nucleus through interaction with its intracellular receptor. OBJECTIVE: This study develops efficient and non-toxic gene carriers through conjugation of Dexa at various percentages (5, 10 and 20%) to the fourth and the fifth generation PPIs (PPIG4s and PPIG5s). MATERIALS AND METHODS: The 21-OH group of Dexa (0...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30266078/bioinformatics-analysis-to-identify-action-targets-in-nci-n87-gastric-cancer-cells-exposed-to-quercetin
#12
Yun Zeng, Zhengjie Shen, Wenzhe Gu, Mianhua Wu
CONTEXT: Quercetin exerts antiproliferative effects on gastric cancer. However, its mechanisms of action on gastric cancer have not been comprehensively revealed. OBJECTIVE: We investigated the mechanisms of action of quercetin against gastric cancer cells. MATERIALS AND METHODS: Human NCI-N87 gastric cancer cells were treated with 15 μM quercetin or dimethyl sulfoxide (as a control) for 48 h. DNA isolated from cells was sequenced on a HiSeq 2500, and the data were used to identify differentially expressed genes (DEGs) between groups...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30266071/enhanced-production-of-tanshinone-iia-in-endophytic-fungi-emericella-foeniculicola-by-genome-shuffling
#13
Pengyu Zhang, Yiting Lee, Xiying Wei, Jinlan Wu, Qingmei Liu, Shanning Wan
CONTEXT: Tanshinone IIA, commercially produced from Salvia miltiorrhiza Bunge (C.Y.Wu) (Labiatae), has various biological benefits. Currently, this compound is mainly extracted from plants. However, because of the long growth cycle and the unstable quality of plants, the market demands can barely be satisfied. OBJECTIVE: The genomic shuffling technology is applied to screen the high-yield tanshinone IIA strain, which could be used to replace the plant S. miltiorrhiza for the production of tanshinone IIA...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30261794/adaptation-of-a-microbead-assay-for-the-easy-evaluation-of-traditional-anti-sickling-medicines-application-to-drepanostat-and-faca
#14
Joran Villaret, Guillaume Marti, Frédérique Dubois, Karine Reybier, Noémie Gaudre, Mohamed Haddad, Alexis Valentin
CONTEXT: Sickle cell disease is a common inherited blood disorder affecting millions of people worldwide. Due to lack of progress in drug discovery for a suitable treatment, sufferers often turn to traditional medicines that take advantage of the plant extracts activity used by traditional healers. OBJECTIVE: This study optimizes an anti-sickling screening test to identify preparations capable of reverting sickle cells back to the morphology of normal red blood cells...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30122142/some-pharmacokinetic-parameters-of-salvianolic-acid-a-following-single-dose-oral-administration-to-rats
#15
Jialin Sun, Junke Song, Wen Zhang, Fanbo Jing, Wen Xu, Ping Leng, Xianghua Quan, Guanhua Du, Zhongguo Sui
CONTEXT: Salvianolic acid A (Sal A) is a hydrophilic bioactive compound isolated from Salvia miltiorrhiza Bunge (Lamiaceae). It exerts beneficial effects after oral administration on diabetic complications. OBJECTIVE: To systematically study the absorption, distribution and excretion of Sal A after single-dose oral administration. MATERIALS AND METHODS: Animal experiments were conducted in Sprague-Dawley rats. Plasma was sampled at designated times after oral doses of 5, 10 and 20 mg/kg, and an intravenous dose of 50 μg/kg...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30122096/mechanisms-of-butylidenephthalide-for-twitch-facilitation-in-electrically-stimulated-mouse-vas-deferens
#16
Chung-Hung Shih, Chi-Ming Chen, Wun-Chang Ko
CONTEXT: The rhizome of Ligusticum chuaxiong Hort. (Umbelliferae) has been used by Chinese for several thousand years. Its main constituent, butylidenephthalide (Bdph), was proved to be active in inhibiting rat uterine contractions induced by prostaglandin F2α and was reported to be a nonspecific antispamodic and a blocker of voltage-dependent Ca2+ channels (VDCCs). OBJECTIVES: The present study investigates the mechanisms of Bdph for twitch facilitation in ICR mouse vas deferens (MVD)...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30122094/in-vitro-inhibitory-effects-of-friedelin-on-human-liver-cytochrome-p450-enzymes
#17
Jinlan Wei, Hongying Zhang, Qingling Zhao
CONTEXT: Friedelin is a triterpenoid with several biological activities. However, the affects of Friedelin on the activity of human liver cytochrome P450 (CYP) enzymes remains unclear. OBJECTIVE: This study investigates the inhibitory effects of Friedelin on the major human liver CYP isoforms (CYP3A4, 1A2, 2A6, 2E1, 2D6, 2C9, 2C19 and 2C8). MATERIALS AND METHODS: First, the inhibitory effects of Friedelin (100 μM) on the eight human liver CYP isoforms were investigated in vitro using human liver microsomes (HLMs), and then enzyme inhibition, kinetic studies, and time-dependent inhibition studies were conducted to investigate the IC50 , Ki and Kinact /KI values of Friedelin...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30058427/assessing-product-adulteration-of-eurycoma-longifolia-tongkat-ali-herbal-medicinal-product-using-dna-barcoding-and-hplc-analysis
#18
Bashir Mohammed Abubakar, Faezah Mohd Salleh, Mohd Shahir Shamsir Omar, Alina Wagiran
CONTEXT: Eurycoma longifolia Jack (Simaroubaceae) commonly known as Tongkat Ali is one of the most important plants in Malaysia. The plant extracts (particularly roots) are widely used for the treatment of cough and fever besides having antimalarial, antidiabetic, anticancer and aphrodisiac activities. OBJECTIVES: This study assesses the extent of adulteration of E. longifolia herbal medicinal products (HMPs) using DNA barcoding validated by HPLC analysis. MATERIALS AND METHODS: Chloroplastic rbcL and nuclear ITS2 barcode regions were used in the present study...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/30003825/dihydromyricetin-improves-vascular-hyporesponsiveness-in-experimental-sepsis-via-attenuating-the-over-excited-maxik-and-k-atp-channels
#19
Jin Peng, Jian Zhang, Li Zhang, Yonggang Tian, Yahong Li, Lujun Qiao
CONTEXT: Dihydromyricetin (DMY) has oxidation resistance, anti-inflammatory and free radical scavenging capabilities. The preventive effects of DMY for vascular hyporeactivity remain unclear. OBJECTIVE: This study investigates the preventive effects of DMY in vascular hyporeactivity. MATERIALS AND METHODS: The experimental sepsis was induced by transvenous administration of lipopolysaccharide (LPS) to Sprague-Dawley (SD) rats. DMY-treated rats received daily administration of DMY, 5 μg/kg dissolved in DMSO through the tail vein for 7 days...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29983086/influence-of-andrographolide-on-the-pharmacokinetics-of-warfarin-in-rats
#20
Xiaoli Zhang, Xiaosu Zhang, Xiaocui Wang, Meijun Zhao
CONTEXT: Andrographolide and warfarin are often used together in clinics in China. However, the herb-drug interaction between andrographolide and warfarin is still unknown. OBJECTIVE: This study investigates the herb-drug interaction between andrographolide and warfarin in vivo and in vitro. MATERIALS AND METHODS: A sensitive and reliable LC-MS/MS method was developed for the determination of warfarin in male Sprague-Dawley rats plasma, and then the pharmacokinetics of orally administered warfarin (0...
December 2018: Pharmaceutical Biology
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