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Ginkgo biloba

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https://www.readbyqxmd.com/read/28454337/inhibitory-effect-of-ginkgol-c17-1-on-the-biological-behavior-of-tumor-cells
#1
Yueying Li, Jun Liu, Yali Liu, Xiaoming Yang, Bingzhong Huang, Min Chen
Ginkgol C17:1 is a bioactive compound derived from Ginkgo biloba. In the present study, the effect and possible mechanisms of action of Ginkgol C17:1 on the biological behaviors of tumor cells were investigated. Whilst cell proliferation was assessed using the MTT assay, the behaviors of cell migration and invasion were explored using Transwell and modified Transwell assays. The results revealed that Ginkgol C17:1 significantly inhibited the proliferation, migration and invasion of human tumor cells in a dose-dependent manner...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28449688/yy-1224-a-terpene-trilactone-strengthened-ginkgo-biloba-attenuates-neurodegenerative-changes-induced-by-%C3%AE-amyloid-1-42-or-double-transgenic-overexpression-of-app-and-ps1-via-inhibition-of-cyclooxygenase-2
#2
Zheng-Yi Li, Yoon Hee Chung, Eun-Joo Shin, Duy-Khanh Dang, Ji Hoon Jeong, Sung Kwon Ko, Seung-Yeol Nah, Tae Gon Baik, Jin Hyeong Jhoo, Wei-Yi Ong, Toshitaka Nabeshima, Hyoung-Chun Kim
BACKGROUND: Ginkgo biloba has been reported to possess free radical-scavenging antioxidant activity and anti-inflammatory properties. In our pilot study, YY-1224, a terpene trilactone-strengthened extract of G. biloba, showed anti-inflammatory, neurotrophic, and antioxidant effects. RESULTS: We investigated the pharmacological potential of YY-1224 in β-amyloid (Aβ) (1-42)-induced memory impairment using cyclooxygenase-2 (COX-2) knockout (-/-) and APPswe/PS1dE9 transgenic (APP/PS1 Tg) mice...
April 27, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28449063/extraction-and-determination-of-quercetin-from-ginkgo-biloba-by-dess-based-polymer-monolithic-cartridge
#3
Xiaoqin Wang, Guizhen Li, Kyung Ho Row
Deep eutectic solvents (DES) were formed from choline chloride (ChCl). DES-modified polymer monolithic (DES-M), template molecular polymer monolithic and non-DES-M without a molecular template were synthesized in identical process. These polymer materials were characterized by field emission scanning electron microscopy and Fourier transform infrared spectroscopy. The significant selective adsorption properties of the polymers were assessed by an absorption capacity experiment and solid-phase extraction (SPE)...
April 26, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28444385/the-effects-of-bacillus-coagulans-fermented-and-non-fermented-ginkgo-biloba-on-abdominal-fat-deposition-and-meat-quality-of-peking-duck
#4
Xiaoyan Liu, Guanjun Cao, Jinglong Zhou, Xuan Yao, Binghu Fang
No abstract text is available yet for this article.
May 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28416372/effects-of-bilobalide-ginkgolide-b-and-picrotoxinin-on-gabaa-receptor-modulation-by-structurally-diverse-positive-modulators
#5
Chiu Chin Ng, Rujee K Duke, Tina Hinton, Graham A R Johnston
Anxiolytics and anticonvulsants generally positively modulate the action of GABA, whereas many convulsants (including the chloride channel blocker picrotoxinin) negatively modulate the action of GABA on GABAA receptors. Like picrotoxinin, bilobalide and ginkgolide B, active constituents of Ginkgo biloba, have been shown to negatively modulate the action of GABA at α1β2γ2L GABAA receptors. However, unlike picrotoxinin, bilobalide and ginkgolide B are not known to cause convulsions. We have assessed the action of bilobalide, ginkgolide B and picrotoxinin on a range of GABAA modulators (etomidate, loreclezole, propofol, thiopentone sodium, diazepam, and allopregnanolone), using two-electrode voltage clamp electrophysiology at recombinant α1β2γ2L GABAA receptors expressed in Xenopus oocytes...
April 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28416145/the-ginkgo-biloba-extract-gbe-protects-the-kidney-from-damage-produced-by-a-single-and-low-dose-of-carbon-tetrachloride-in-adult-male-rats
#6
R M Chávez-Morales, F Jaramillo-Juárez, M L Rodríguez-Vázquez, M C Martínez-Saldaña, F A Posadas Del Río, J A Garfias-López
Gingko biloba leaves have been used as herbal medicine in China for 5000 years, and the standardized leaf extract (GB-STE) has some beneficial effects in the treatment of age-related, cardiovascular, and neurological diseases. The aim of this study was to investigate the renoprotective effects of the Gingko biloba extract (GbE) against the toxicity of a single and relatively low dose of carbon tetrachloride (CCl4). In male adult Wistar rats, we determined the urine flux, the concentration of total proteins in urine, the concentration of glucose in urine, and the concentration of malondialdehyde (MDA) in renal cortex as well as two markers of renal function (clearance of inulin and p-aminohippurate); we also compared the histological lesions caused by CCl4...
April 13, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28403270/evidence-for-anti-aging-south-korean-cosmeceuticals
#7
Ellinor R Quay, Yunyoung C Chang, Emmy Graber
<p>As the market for South Korean skin care products grows in the U.S. and worldwide, consumers will increasingly seek advice from dermatologists regarding their efficacy. In this paper, the evidence behind the anti-aging and skin whitening activity of ingredients in the most popular South Korean skin care products was reviewed and critically evaluated. Industry profit data from Euromonitor was obtained to identify the top cosmeceutical brands by retail value in South Korea. The top selling products and their ingredients were then identified from individual brand websites...
April 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28402272/ginkgolic-acids-inhibit-migration-in-breast-cancer-cells-by-inhibition-of-nemo-sumoylation-and-nf-%C3%AE%C2%BAb-activity
#8
Sami Hamdoun, Thomas Efferth
Ginkgolic acids (GA), a group of alkyl phenols found in crude extracts of Ginkgo biloba leaves, are known to have anticancer activity, but their mode of action is not well understood. Our aim in this study was to investigate the anti-migratory activity of seven GA against breast cancer cells and to determine the molecular mechanism behind this activity. All seven GA and their mixture inhibited wound healing in MCF-7 and MDA-MB 231 breast cancer cells. None of the compounds nor the mixture showed cytotoxicity towards the two cell lines, if tested by the resazurin assay...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28394269/ginkgolide-a-ameliorates-lps-induced-inflammatory-responses-in-vitro-and-in-vivo
#9
Yan Li, Yannan Wu, Xinlei Yao, Fang Hao, Chunlei Yu, Yongli Bao, Yin Wu, Zhenbo Song, Ying Sun, Lihua Zheng, Guannan Wang, Yanxin Huang, Luguo Sun, Yuxin Li
Ginkgolide A (GA) is a natural compound isolated from Ginkgo biloba and has been used to treat cardiovascular diseases and diabetic vascular complications. However, only a few studies have been conducted on the anti-inflammatory effects of GA. In particular, no related reports have been published in a common inflammation model of lipopolysaccharide (LPS)-stimulated macrophages, and the anti-inflammatory mechanisms of GA have not been fully elucidated. In the present study, we extensively investigated the anti-inflammatory potential of GA in vitro and in vivo...
April 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28391531/efficacy-of-steroid-therapy-based-on-symptomatic-and-functional-improvement-in-patients-with-vestibular-neuritis-a-prospective-randomized-controlled-trial
#10
Myung Hoon Yoo, Chan Joo Yang, Shin Ae Kim, Marn Joon Park, Joong Ho Ahn, Jong Woo Chung, Hong Ju Park
The aim of this study was to examine the efficacy of methylprednisolone in vestibular neuritis (VN) by objective and subjective measures. This prospective controlled randomized study was conducted at one tertiary hospital. Twenty-nine VN patients were randomized to either the steroid (n = 15) or the control (n = 14) group. The steroid group received methylprednisolone for 2 weeks, whereas control patients did not; both groups underwent regular vestibular exercises and were prescribed a Ginkgo biloba...
June 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28390940/ginkgo-biloba-l-attenuates-spontaneous-recurrent-seizures-and-associated-neurological-conditions-in-lithium-pilocarpine-rat-model-of-temporal-lobe-epilepsy-through-inhibition-of-mammalian-target-of-rapamycin-pathway-hyperactivation
#11
Arindam Ghosh Mazumder, Pallavi Sharma, Vikram Patial, Damanpreet Singh
ETHNOPHARMACOLOGICAL RELEVANCE: Ginkgo biloba L. (Ginkgoaceae) has been widely used in traditional medicine for variety of neurological conditions particularly behavioral and memory impairments. AIM OF THE STUDY: The present study was envisaged to explore the effect of a standardized fraction of Ginkgo biloba leaves (GBbf) in rat model of lithium-pilocarpine induced spontaneous recurrent seizures, and associated behavioral impairments and cognitive deficit. MATERIALS AND METHODS: Rats showing appearance of spontaneous recurrent seizures following lithium pilocarpine (LiPc)-induced status epilepticus (SE) were treated with different doses of GBbf or vehicle for subsequent 4 weeks...
April 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28366721/neuroprotective-role-of-ginkgo-biloba-against-cognitive-deficits-associated-with-bisphenol-a-exposure-an-animal-model-study
#12
Manar Mohammed El Tabaa, Samia Salem Sokar, Ehab Sayed Ramdan, Inas Zakria Abd El Salam, Anis Zaid
Our study aimed to elucidate to what extent Ginkgo biloba (Gb) can protect rats from cognitive deficits induced by exposure to Bisphenol A (BPA) at high dose. Therefore, sixty male Wistar rats were randomly divided into four groups of 15 animals in each group: Vehicle group, Gb-control group, BPA-exposed group and Gb pre-treated group. All administrations were given daily by an oral gavage once a day for eight weeks. Cognitive function was assessed using Morris water maze; Y-maze and Novel object recognition tasks...
March 30, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28359256/morintides-cargo-free-chitin-binding-peptides-from-moringa-oleifera
#13
Shruthi G Kini, Ka H Wong, Wei Liang Tan, Tianshu Xiao, James P Tam
BACKGROUND: Hevein-like peptides are a family of cysteine-rich and chitin-binding peptides consisting of 29-45 amino acids. Their chitin-binding property is essential for plant defense against fungi. Based on the number of cysteine residues in their sequences, they are divided into three sub-families: 6C-, 8C- and 10C-hevein-like peptides. All three subfamilies contain a three-domain precursor comprising a signal peptide, a mature hevein-like peptide and a C-terminal domain comprising a hinge region with protein cargo in 8C- and 10C-hevein-like peptides...
March 31, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28355708/-effects-of-extract-of-ginkgo-biloba-on-magnetic-resonance-imaging-and-electroencephalography-in-patients-with-delayed-encephalopathy-after-acute-carbon-monoxide-poisoning
#14
Q M Xiao, H N Qi, W Z Wang, X Gao, B Y Zhu, Y J Liu, W Li, G Y Ma, P Wang, F Z Meng, X F Gao
Objective: To observe the effects of extract of Ginkgo biloba (Ginaton) on magnetic resonance imaging (MRI) and electroencephalography (EEG) in patients with delayed encephalopathy after acute carbon monoxide poisoning. Methods: The 84 patients with delayed encephalopathy after acute carbon monoxide poisoning treated in our hospital from Jan. 2011 to Apr. 2016 were randomly divied into therapy group and observation group. The therapy group received routine treatments of hyperbaric oxygen, cure cerebral edema and promote brain cell metabolism, and observation group was given intravenous injection (intravenous drip) Ginaton 70 mg (adding 0...
February 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28346534/spatial-and-temporal-changes-in-leaf-coloring-date-of-acer-palmatum-and-ginkgo-biloba-in-response-to-temperature-increases-in-south-korea
#15
Chang-Kyun Park, Chang-Hoi Ho, Su-Jong Jeong, Eun Ju Lee, Jinwon Kim
Understanding shifts in autumn phenology associated with climate changes is critical for preserving forest ecosystems. This study examines the changes in the leaf coloring date (LCD) of two temperate deciduous tree species, Acer palmatum (Acer) and Ginkgo biloba (Ginkgo), in response to surface air temperature (Ts) changes at 54 stations of South Korea for the period 1989-2007. The variations of Acer and Ginkgo in South Korea are very similar: they show the same mean LCD of 295th day of the year and delays of about 0...
2017: PloS One
https://www.readbyqxmd.com/read/28334286/differences-in-the-photosynthetic-plasticity-of-ferns-and-ginkgo-grown-in-experimentally-controlled-low-o2-co2-atmospheres-may-explain-their-contrasting-ecological-fate-across-the-triassic-jurassic-mass-extinction-boundary
#16
C Yiotis, C Evans-Fitz Gerald, J C McElwain
Background and Aims: Fluctuations in [CO 2 ] have been widely studied as a potential driver of plant evolution; however, the role of a fluctuating [O 2 ]:[CO 2 ] ratio is often overlooked. The present study aimed to investigate the inherent physiological plasticity of early diverging, extant species following acclimation to an atmosphere similar to that across the Triassic-Jurassic mass extinction interval (TJB, approx. 200 Mya), a time of major ecological change. Methods: Mature plants from two angiosperm ( Drimys winteri and Chloranthus oldhamii ), two monilophyte ( Osmunda claytoniana and Cyathea australis ) and one gymnosperm ( Ginkgo biloba ) species were grown for 2 months in replicated walk-in Conviron BDW40 chambers running at TJB treatment conditions of 16 % [O 2 ]-1900 ppm [CO 2 ] and ambient conditions of 21 % [O 2 ]-400 ppm [CO 2 ], and their physiological plasticity was assessed using gas exchange and chlorophyll fluorescence methods...
March 11, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333443/systematic-investigation-of-ginkgo-biloba-leaves-for-treating-cardio-cerebrovascular-diseases-in-an-animal-model
#17
Yinfeng Yang, Yan Li, Jinghui Wang, Ke Sun, Weiyang Tao, Zhenzhong Wang, Wei Xiao, Yanqiu Pan, Shuwei Zhang, Yonghua Wang
Globally, cardio-cerebrovascular diseases (CCVDs) are the leading cause of death, and thus the development of novel strategies for preventing and treating such diseases is in urgent need. Traditional Chinese medicine (TCM), used for thousands of years in Asia and other regions, has been proven effective in certain disorders. As a long-time medicinal herb in TCM, Ginkgo biloba leaves (GBLs), have been widely used to treat various diseases including CCVDs. However, the underlying molecular mechanisms of medicinal herbs in treating these diseases are still unclear...
April 3, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28332628/ginkgo-biloba-extract-egb761-attenuates-brain-death-induced-renal-injury-by-inhibiting-pro-inflammatory-cytokines-and-the-sapk-and-jak-stat-signalings
#18
Yifu Li, Yunyi Xiong, Huanxi Zhang, Jun Li, Dong Wang, Wenfang Chen, Xiaopeng Yuan, Qiao Su, Wenwen Li, Huiting Huang, Zirong Bi, Longshan Liu, Changxi Wang
This study aimed to investigate the protective effects of EGb761, a Ginkgo Biloba extract, against brain death-induced kidney injury. Sixty male Sprague Dawley rats were randomly divided into six groups: sham, brain-death (BD), BD + EGb b48h (48 hours before BD), BD + EGb 2 h (2 hours after BD), BD + EGb 1 h, and BD + EGb 0.5 h. Six hours after BD, serum sample and kidney tissues were collected for analyses. The levels of blood urea nitrogen (BUN) and serum creatinine significantly elevated in the BD group than in sham group...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28283461/induction-of-mitochondrial-dependent-apoptosis-in-t24-cells-by-a-selenium-se-containing-polysaccharide-from-ginkgo-biloba-l-leaves
#19
Dong Chen, Shaopeng Sun, Dawei Cai, Guangqi Kong
In the present study, a selenium (Se)-containing polysaccharide (Se-GBLP) was isolated and purified from the leaves of Ginkgo biloba L. Se-GBLP was further evaluated for its antitumor activity against human bladder cancer T24 cells together with the possible mechanism of action. Our results showed that treatment of T24 cells with Se-GBLP (50, 100 and 200μg/ml) for 48h significantly inhibited cell viability and induced apoptosis in a dose- dependent manner. This Se-GBLP-induced apoptosis is associated with an increased protein expression of pro-apoptotic Bax, decreased expression of anti-apoptotic Bcl-2, loss of mitochondrial membrane potential, and cleavage of caspase-9, caspase-3 and PARP, suggesting that Se-GBLP-induced apoptosis occurs through the mitochondria-dependent pathway...
March 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28265050/the-presumed-ginkgophyte-umaltolepis-has-seed-bearing-structures-resembling-those-of-peltaspermales-and-umkomasiales
#20
Fabiany Herrera, Gongle Shi, Niiden Ichinnorov, Masamichi Takahashi, Eugenia V Bugdaeva, Patrick S Herendeen, Peter R Crane
The origins of the five groups of living seed plants, including the single relictual species Ginkgo biloba, are poorly understood, in large part because of very imperfect knowledge of extinct seed plant diversity. Here we describe well-preserved material from the Early Cretaceous of Mongolia of the previously enigmatic Mesozoic seed plant reproductive structure Umaltolepis, which has been presumed to be a ginkgophyte. Abundant new material shows that Umaltolepis is a seed-bearing cupule that was borne on a stalk at the tip of a short shoot...
March 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
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