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https://www.readbyqxmd.com/read/28645005/application-of-stem-cell-derived-neuronal-cells-to-evaluate-neurotoxic-chemotherapy
#1
Claudia Wing, Masaaki Komatsu, Shannon M Delaney, Matthew Krause, Heather E Wheeler, M Eileen Dolan
The generation of induced pluripotent stem cells (iPSCs) and differentiation to cells composing major organs has opened up the possibility for a new model system to study adverse toxicities associated with chemotherapy. Therefore, we used human iPSC-derived neurons to study peripheral neuropathy, one of the most common adverse effects of chemotherapy and cause for dose reduction. To determine the utility of these neurons in investigating the effects of neurotoxic chemotherapy, we measured morphological differences in neurite outgrowth, cell viability as determined by ATP levels and apoptosis through measures of caspase 3/7 activation following treatment with clinically relevant concentrations of platinating agents (cisplatin, oxaliplatin and carboplatin), taxanes (paclitaxel, docetaxel and nab-paclitaxel), a targeted proteasome inhibitor (bortezomib), an antiangiogenic compound (thalidomide), and 5-fluorouracil, a chemotherapeutic that does not cause neuropathy...
June 15, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28644391/molecular-structure-affinity-relationship-of-flavonoids-in-lotus-leaf-nelumbo-nucifera-gaertn-on-binding-to-human-serum-albumin-and-bovine-serum-albumin-by-spectroscopic-method
#2
Xiaosheng Tang, Ping Tang, Liangliang Liu
Lotus leaf has gained growing popularity as an ingredient in herbal formulations due to its various activities. As main functional components of lotus leaf, the difference in structure of flavonoids affected their binding properties and activities. In this paper, the existence of 11 flavonoids in lotus leaf extract was confirmed by High Performance Liquid Chromatography (HPLC) analysis and 11 flavonoids showed various contents in lotus leaf. The interactions between lotus leaf extract and two kinds of serum albumins (human serum albumin (HSA) and bovine serum albumin (BSA)) were investigated by spectroscopic methods...
June 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28643853/qualitative-analysis-of-polyphenols-in-macroporous-resin-pretreated-pomegranate-husk-extract-by-hplc-qtof-ms
#3
Rahima Abdulla, Sanawar Mansur, Haizhong Lai, Ablikim Ubul, Guangying Sun, Guozheng Huang, Haji Akber Aisa
INTRODUCTION: Pomegranate (Punica granatum L.) husk is a traditional herbal medicine abundant in phenolic compounds and plays some roles in the treatment of oxidative stress, bacterial and viral infection, diabetes mellitus, and acute and chronic inflammation. OBJECTIVE: Identification and determination of polyphenols in macroporous resin pretreated pomegranate husk extract by high performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (HPLC-QTOF-MS)...
June 23, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28642707/tetrandrine-an-activator-of-autophagy-induces-autophagic-cell-death-via-pkc-%C3%AE-inhibition-and-mtor-dependent-mechanisms
#4
Vincent Kam Wai Wong, Wu Zeng, Juan Chen, Xiao Jun Yao, Elaine Lai Han Leung, Qian Qian Wang, Pauline Chiu, Ben C B Ko, Betty Yuen Kwan Law
Emerging evidence suggests the therapeutic role of autophagic modulators in cancer therapy. This study aims to identify novel traditional Chinese medicinal herbs as potential anti-tumor agents through autophagic induction, which finally lead to autophagy mediated-cell death in apoptosis-resistant cancer cells. Using bioactivity-guided purification, we identified tetrandrine (Tet) from herbal plant, Radix stephaniae tetrandrae, as an inducer of autophagy. Across a number of cancer cell lines, we found that breast cancer cells treated with tetrandrine show an increase autophagic flux and formation of autophagosomes...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641051/beneficial-role-of-citrus-fruit-polyphenols-against-hepatic-dysfunctions-a-review
#5
Md Mohabbulla Mohib, Kazi Afnan, Tasfiq Zaman Paran, Salma Khan, Juthika Sarker, Nahid Hasan, Istiaque Hasan, Md Abu Taher Sagor
Alcoholic liver diseases and virus-induced hepatic dysfunctions are prevalent in western countries. Evidence also suggests that hyperglycemia and insulin resistance are key players in the development of hepatic diseases and their complications. Since the comorbid diseases like obesity, diabetes and vascular dysfunctions primarily affect liver, the modern therapies against other hepatic dysfunctions are becoming a major challenge to treat. In addition to these, polypharmacy and adverse drug reactions (ADRs) are further aggravating the phenomenon...
June 22, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28640225/herb-drug-interaction-between-the-traditional-hepatoprotective-formulation-and-sorafenib-on-hepatotoxicity-histopathology-and-pharmacokinetics-in-rats
#6
Chin-Tsung Ting, Yung-Yi Cheng, Tung-Hu Tsai
Sorafenib has been used as a standard therapy for advanced hepatocellular carcinoma (HCC). In Asia, patients with HCC are potentially treated with the combination of sorafenib and Chinese herbal medicines to improve the efficiency and reduce the side effects of sorafenib. However, limited information about the herb-drug interactions is available. We hypothesize that the Chinese herbal medicine may exert hepatoprotective effects on the sorafenib-treated group. The aim of this study is to investigate the pharmacokinetic mechanism of drug-drug interactions of sorafenib including interacting with hepatoprotective formulation, Long-Dan-Xie-Gan-Tang formulation (LDXGT) and with two cytochrome P450 3A4 (CYP3A4) inhibitors, grapefruit juice and ketoconazole...
June 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28640163/mistletoe-fig-ficus-deltoidea-jack-leaf-extract-prevented-postmenopausal-osteoarthritis-by-attenuating-inflammation-and-cartilage-degradation-in-rat-model
#7
Nur Adeelah Che Ahmad Tantowi, Paisal Hussin, Seng Fong Lau, Suhaila Mohamed
OBJECTIVE: Ficus deltoidea Jack (mistletoe fig) is an ornamental plant found in various parts of the world and used as traditional herbal medicine in some countries. This study investigated the potential use of F deltoidea leaf extract to mitigate osteoarthritis (OA) in ovariectomized (estrogen-deficient postmenopausal model) rats and the mechanisms involved. Diclofenac was used for comparison. METHODS: Sprague-Dawley female rats (12 weeks old) were divided randomly into five groups (n = 6): healthy; nontreated OA; OA + diclofenac (5 mg/kg); OA + extract (200 mg/kg); and OA + extract (400 mg/kg)...
June 19, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28639797/the-dark-side-of-fluency-fluent-names-increase-drug-dosing
#8
Simone Dohle, Amanda K Montoya
Prior research has demonstrated that high processing fluency influences a wide range of evaluations and behaviors in a positive way. But can high processing fluency also lead to potentially hazardous medical behavior? In 2 controlled experiments, we demonstrate that increasing the fluency of pharmaceutical drug names increases drug dosage. Experiment 1 shows that drugs with fluent names are perceived as safer than those with disfluent names and this effect increases drug dosage for both synthetically produced and herbal drugs...
June 22, 2017: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/28639115/chemical-composition-of-selected-commercial-herbal-remedies-in-relation-to-geographical-origin-and-inter-species-diversity
#9
Pawel Konieczynski, Agnieszka Viapiana, Roman Lysiuk, Marek Wesolowski
Infusions prepared from medicinal herbs that are rich in flavonoids are very popular herbal remedies in societies of Eastern Europe. Therefore, the content of essential elements together with total flavonoids was analyzed in 65 commercially available samples of herbal drugs originating from Ukraine, Romania, and Belarus. The results showed that metallic elements (in mg kg(-1) d.w.) have occurred in the following order: Fe > Mn > Zn > Cu, both for total and water-extractable species. Total flavonoids were determined in the range from 10...
June 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28638893/chinese-herbal-decoction-as-a-complementary-therapy-for-atrophic-gastritis-a-systematic-review-and-meta-analysis
#10
Wen-Jie Fang, Xin-Ying Zhang, Bo Yang, Shu-Jing Sui, Min Chen, Wei-Hua Pan, Wan-Qing Liao, Ming Zhong, Qing-Cai Wang
BACKGROUND: Chinese herbal decoction (CHD) has been extensively used in the treatment of atrophic gastritis (AG) in China and other Far Eastern countries. We conducted a systematic review and meta-analysis to estimate the efficacy and safety of CHD in AG. MATERIALS AND METHODS: Pubmed, Embase, Cochrane central register of controlled trials (central), VIP, China National Knowledge Infrastructure, Sinomed, Wanfang data were searched (up to December 2015). Randomized controlled trials recruiting patients with AG comparing CHD (alone or with western medicine (WM)) with WM were eligible...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28638885/anti-ulcerogenic-efficacy-and-mechanisms-of-edible-and-natural-ingredients-in-nsaid-induced-animal-models
#11
Weiping Bi, Lizhi Hu, Mao-Qiang Man
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are a class of the most commonly used medicines and proven to be effective for certain disorders. Some people use NSAIDs on daily basis for preventive purpose. But a variety of severe side effects can be induced by NSAIDs. Studies have shown that edible natural ingredients exhibit preventive benefit of gastric ulcer. This paper reviews the efficacy and safety of edible natural ingredients in preventing the development of gastric ulcer induced by NSAIDs in animal models...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28638341/herbal-medicine-ac591-prevents-oxaliplatin-induced-peripheral-neuropathy-in-animal-model-and-cancer-patients
#12
Xiaolan Cheng, Jiege Huo, Dawei Wang, Xueting Cai, Xiaoyan Sun, Wuguang Lu, Yang Yang, Chunping Hu, Xiaoning Wang, Peng Cao
Oxaliplatin is clinically compelling because of severe peripheral neuropathy. The side effect can result in dosage reductions or even cessation of chemotherapy, and no effective treatments are available. AC591 is a standardized extract of Huangqi Guizhi Wuwu decoction, an herbal formula recorded in "Synopsis of the Golden Chamber" for improving limb numbness and pain. In this study, we investigated whether AC591 could protect against oxaliplatin-induced peripheral neuropathy. To clarify it, a rat model of oxaliplatin-induced peripheral neuropathy was established, and neuroprotective effect of AC591 was studied...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28638340/neurologically-potent-molecules-from-crataegus-oxyacantha-isolation-anticholinesterase-inhibition-and-molecular-docking
#13
Mumtaz Ali, Sultan Muhammad, Muhammad R Shah, Ajmal Khan, Umer Rashid, Umar Farooq, Farhat Ullah, Abdul Sadiq, Muhammad Ayaz, Majid Ali, Manzoor Ahmad, Abdul Latif
Crataegus oxyacantha is an important herbal supplement and famous for its antioxidant potential. The antioxidant in combination with anticholinesterase activity can be considered as an important target in the management of Alzheimer's disease. The compounds isolated from C. oxyacantha were evaluated for cholinesterases inhibitory activity using Ellman's assay with Galantamine as standard drug. Total of nine (1-9) compounds were isolated. Compounds 1 and 2 were isolated for the first time from natural source...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28637994/anti-diabetic-activities-of-traditional-chinese-herbal-medicine-in-streptozotocin-induced-diabetic-rats
#14
Tomoko Nozaki, Jun Minaguchi, Kazushige Takehana, Hiromi Ueda
Zhen Qi Hypoglycemic Capsules (ZQHC) is a traditional Chinese herbal medicine containing medical activities by ougi (Astragalus membranaceus) and ousei (Polygonatum rhizome). Although ZQHC has been traditionally utilized as an anti-diabetic medicine in China, there is no evidence. Therefore, this study investigated the beneficial effects of ZQHC against diabetes using streptozotocin (STZ)-induced diabetic rats by biochemical and morphological methods. Eight-week old male Fisher strain rats were intraperitoneally injected with STZ (50 mg/kg of B...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/28637494/euiiyin-tang-in-the-treatment-of-obesity-study-protocol-for-a-randomised-controlled-trial
#15
Chunhoo Cheon, Soobin Jang, Jeong-Su Park, Youme Ko, Doh Sun Kim, Byung Hoon Lee, Hyun Jong Song, Yun-Kyung Song, Bo-Hyoung Jang, Yong-Cheol Shin, Seong-Gyu Ko
BACKGROUND: Obesity is a public health concern in many countries due to its increasing prevalence. Euiiyin-tang is an herbal medicine formula often used as a clinical treatment for obesity. It acts to eliminate humidity and purify the blood, the causes of obesity identified by the theoretical framework of Korean medicine. The purpose of this study is to evaluate the efficacy and safety of Euiiyin-tang in treating obesity. METHODS/DESIGN: This study is a randomised, double-blinded and placebo-controlled, multicentre trial...
June 21, 2017: Trials
https://www.readbyqxmd.com/read/28637216/qualitative-analysis-and-detection-of-the-pyrolytic-products-of-jwh-018-and-11-additional-synthetic-cannabinoids-in-the-presence-of-common-herbal-smoking-substrates
#16
Stephen Raso, Suzanne Bell
Synthetic cannabinoids have become a ubiquitous challenge in forensic toxicology and seized drug analysis. Thermal degradation products have yet to be identified and evaluated for toxicity in comparison to parent and metabolic compounds. An investigation into these pyrolytic products, as the major route of ingestion is inhalation, may produce additional insight to understand the toxicity of synthetic cannabinoids. The pyrolysis of JWH-018 and 11 additional synthetic cannabinoids and six herbal plant substrates were conducted using an in-house constructed smoking simulator...
June 20, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28637073/-complementary-and-alternative-medicine-in-oncology-what%C3%A2-makes-sense
#17
Axel Eustachi, Dieter Melchart
The basis of any complementary therapy should be the recommendation of a healthy lifestyle (diet, nutrition, exercise, stress-reduction), and appropriate self-help techniques (e. g. thermotherapy, herbal OTC-products) aimed at releasing the patients' most debilitating symptoms. For therapy-resistant or strong symptoms, more invasive interventions or medical treatments with an acceptable evidence base can be used (e. g. acupuncture for cancer pain, herbal prescriptions). The effects of any complementary intervention should be controlled for a period of six weeks after its administration...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28636756/chemical-composition-and-allelopathic-antibacterial-antifungal-and-antiacetylcholinesterase-activity-of-fish-mint-houttuynia-cordata-thunb-from-india
#18
Ram S Verma, Neeta Joshi, Rajendra C Padalia, Ved R Singh, Prakash Goswami, Ajay Kumar, Hina Iqbal, Rajesh K Verma, Debabrata Chanda, Amit Chauhan, Dharmendra Saikia
Fish-mint (Houttuynia cordata Thunb.), belongs to family Saururaceae has long been used as food and traditional herbal medicine. The present study was framed to assess the changes occurring in the essential-oil composition of Houttuynia cordata during annual growth and to evaluate allelopathic, antibacterial, antifungal and antiacetylcholinesterase activities. The essential-oil content ranged from 0.06-0.14% and 0.08-0.16% in aerial-parts and underground-stem, respectively. The essential oils were analysed by GC-FID, GC-MS and NMR ((1) H & (13) C)...
June 21, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28635656/screening-and-identification-of-the-metabolites-in-rat-plasma-and-urine-after-oral-administration-of-areca-catechu-l-nut-extract-by-ultra-high-pressure-liquid-chromatography-coupled-with-linear-ion-trap-orbitrap-tandem-mass-spectrometry
#19
Lulu Li, Zhiqiang Luo, Yang Liu, Hao Wang, Aoxue Liu, Guohua Yu, Mengwei Li, Ruirui Yang, Xinjing Chen, Jialian Zhu, Baosheng Zhao
Areca catechu L. nut, a well-known toxic traditional herbal medicine, has been widely used to treat various diseases in China and many other Asian countries for centuries. However, to date the in vivo absorption and metabolism of its multiple bioactive or toxic components still remain unclear. In this study, liquid chromatography coupled with tandem mass spectrometry was used to analyze the major components and their metabolites in rat plasma and urine after oral administration of Areca catechu L. nut extract (ACNE)...
June 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28635332/50-ethanol-extract-of-orthosiphon-stamineus-modulates-genotoxicity-and-clastogenicity-induced-by-mitomycin-c
#20
Dhamraa Waleed Al-Dualimi, Aman Shah Abdul Majid, Sarah Furqan Faisal Al-Shimary, Amal Aziz Al-Saadi, Raghdaa Al Zarzour, Muhammad Asif, Chern Ein Oon, Amin Malik Shah Abdul Majid
Herbal products contain a variety of compounds which may be useful in protecting against cellular damage caused by mutagens. Orthosiphon stamineus (O.s) also known as Cat whiskers. The herb has been shown anti-oxidative properties and can modulate key cellular proteins that have cytoprotective effect. The study aimed to evaluate the effects of different doses (250, 500 and 1000 mg kg(-1)) of 50% ethanol extract of O.s (Et. O.s) on micro-nucleated polychromatic erythrocytes (MNPCE), Polychromatic to normachromatic erythrocytes ratio (PCE/NCE), Mitotic index (MI), and Chromosomal aberration (CA) in Bab/c mice...
June 21, 2017: Drug and Chemical Toxicology
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