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https://www.readbyqxmd.com/read/29663159/evaluation-of-the-effect-of-polyphenol-of-escin-compared-with-ibuprofen-and-dexamethasone-in-synoviocyte-model-for-osteoarthritis-an-in-vitro-study
#1
Hossein Maghsoudi, Jamal Hallajzadeh, Mozhghan Rezaeipour
Osteoarthritis (OA) is a chronic degenerative joint disease with inflammatory component. It is associated with progressive histological alterations and disabling symptoms. Today, drugs such as glucocorticoids (GCs) and nonsteroidal anti-inflammatory drugs (NSIADs) are commonly employed for treatment of osteoarthritis, but have serious and life-threatening side effects. The aim of the current study is to evaluate the effects of escin on cyclooxygenase-2 (COX-2, isoform), inducible nitric oxide synthase (iNOS), interleukin-1β (IL-1β), interleukin-18 (IL-18), tumor necrosis factor-alpha (TNF-α), and nitric oxide (NO) (1), as well as prostaglandin E2 (PGE2) on inflammatory cells, similar osteoarthritis in synoviocytes, and monocytes/macrophages, and to compare it with dexamethasone (DEX) and ibuprofen (IBP)...
April 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29660437/deoxycholylglycine-a-conjugated-secondary-bile-acid-reduces-vascular-tone-by-attenuating-ca-2-sensitivity-via-rho-kinase-pathway
#2
Ravirajsinh N Jadeja, Menaka C Thounaojam, Manuela Bartoli, Sandeep Khurana
Patients with cirrhosis have reduced systemic vascular resistance and elevated circulating bile acids (BAs). Previously, we showed that secondary conjugated BAs impair vascular tone by reducing vascular smooth muscle cell (VSMC) Ca2+ influx. In this study, we investigated the effect of deoxycholylglycine (DCG), on Ca2+ sensitivity in reducing vascular tone. First, we evaluated the effects of DCG on U46619- and phorbol-myristate-acetate (PMA)-induced vasoconstriction. DCG reduced U46619-induced vascular tone but failed to reduce PMA-induced vasoconstriction...
April 13, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29474858/molecular-targets-and-anti-cancer-potential-of-escin
#3
Dorothy H J Cheong, Frank Arfuso, Gautam Sethi, Lingzhi Wang, Kam Man Hui, Alan Prem Kumar, Thai Tran
Escin is a mixture of triterpenoid saponins extracted from the horse chestnut tree, Aesculus hippocastanum. Its potent anti-inflammatory and anti-odematous properties makes it a choice of therapy against chronic venous insufficiency and odema. More recently, escin is being actively investigated for its potential activity against diverse cancers. It exhibits anti-cancer effects in many cancer cell models including lung adenocarcinoma, hepatocellular carcinoma and leukemia. Escin also attenuates tumor growth and metastases in various in vivo models...
February 20, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29455725/anti-inflammatory-effect-of-external-use-of-escin-on-cutaneous-inflammation-possible-involvement-of-glucocorticoids-receptor
#4
Shu-Qi Zhao, Shi-Qiang Xu, Jing Cheng, Xiao-Lu Cao, Ying Zhang, Wei-Ping Zhou, Yan-Juan Huang, Jun Wang, Xia-Min Hu
Escin, as an internally applied anti-inflammatory agent, has been widely used in the treatment of inflammation and edema resulting from trauma or operation in the clinic. However, the effect of its external use on cutaneous inflammation and edema remains unexplored. In the present study, the anti-inflammatory and anti-edematous effects of external use of escin were studied in carrageenan-induced paw edema and histamine-induced capillary permeability in rats, paraxylene-induced ear swelling in mice, and cotton pellet-induced granuloma in rats...
February 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29342121/%C3%AE-escin-effectively-modulates-huvecs-proliferation-and-tube-formation
#5
Lenka Varinská, Lenka Fáber, Martin Kello, Eva Petrovová, Ľudmila Balážová, Peter Solár, Matúš Čoma, Peter Urdzík, Ján Mojžiš, Emil Švajdlenka, Pavel Mučaji, Peter Gál
In the present study we evaluated the anti-angiogenic activities of β-escin (the major active compound of Aesculus hippocastanum L. seeds). Human umbilical-vein endothelial cells (HUVECs) were used as an in vitro model for studying the molecular mechanism underlying the anti-angiogenic effect of β-escin. We investigated the in vitro effects on proliferation, migration, and tube formation of HUVECs and in vivo anti-angiogenic activity was evaluated in a chick chorioallantoic membrane (CAM) angiogenesis assay...
January 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29205802/a-two-center-assessor-blinded-prospective-trial-evaluating-the-efficacy-of-a-novel-hypertonic-draining-cream-for-cellulite-reduction-a-clinical-and-instrumental-antera-3d-cs-assessment
#6
Mario Puviani, Federica Tovecci, Massimo Milani
INTRODUCTION: Gynoid lipodystrophy, also known as cellulite, is a very common skin alteration representing mainly a cosmetic problem rather than a real disease. An effective treatment of cellulite has not been well established. The initial phase of cellulite is characterized by subdermal tissue edema with interstitial fluids retention. A new hypertonic topical product with draining action (HTC) containing NaCl 13%, escine, caffeine, and beta-sitosterol has been recently developed. A 28-day double-blind placebo-controlled study has shown that this cream is able to reduce thigh circumference and the thickness of adipose tissue...
December 4, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29093683/the-amp-dependent-protein-kinase-ampk-activator-a-769662-causes-arterial-relaxation-by-reducing-cytosolic-free-calcium-independently-of-an-increase-in-ampk-phosphorylation
#7
Yi Huang, Corey A Smith, Grace Chen, Bharti Sharma, Amy S Miner, Robert W Barbee, Paul H Ratz
Although recent studies reveal that activation of the metabolic and Ca2+ sensor AMPK strongly inhibits smooth muscle contraction, there is a paucity of information about the potential linkage between pharmacological AMPK activation and vascular smooth muscle (VSM) contraction regulation. Our aim was to test the general hypothesis that the allosteric AMPK activator A-769662 causes VSM relaxation via inhibition of contractile protein activation, and to specifically determine which activation mechanism(s) is(are) affected...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29022891/escin-induces-caspase-dependent-apoptosis-and-autophagy-through-the-ros-p38-mapk-signalling-pathway-in-human-osteosarcoma-cells-in-vitro-and-in-vivo
#8
Jian Zhu, Wei Yu, Bing Liu, Yitian Wang, Jianlin Shao, Junjie Wang, Kaishun Xia, Chengzhen Liang, Weijing Fang, Chenhe Zhou, Huimin Tao
Osteosarcoma is one of the most malignant neoplasms in adolescents, and it generally develops multidrug resistance. Escin, a natural mixture of triterpene saponins isolated from Aesculus hippocastanum (horse chestnut), has demonstrated potent anti-tumour potential in vitro and in vivo. In the present study, we found that escin inhibited osteosarcoma proliferation in a dose- and time-dependent manner. Additionally, escin-induced apoptosis was evidenced by the increased expression of caspase-related proteins and the formation of apoptotic bodies...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28930257/physicochemical-properties-antioxidant-and-cytotoxic-activities-of-crude-extracts-and-fractions-from-phyllanthus-amarus
#9
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Background:Phyllanthus amarus (P. amarus) has been used as a medicinal plant for the prevention and treatment of chronic ailments such as diabetes, hepatitis, and cancer. Methods: The physicochemical properties, antioxidant and cytotoxic activities of crude extracts and fractions from P. amarus were determined using spectrophotometric method. Results: The P. amarus methanol (PAM) extract had lower levels of residual moisture (7.40%) and water activity (0.24) and higher contents of saponins, phenolics, flavonoids, and proanthocyanidins (1657...
June 18, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28882559/enhancement-of-s1p-induced-contractile-response-in-detrusor-smooth-muscle-of-rats-having-cystitis
#10
Irfan Anjum, Merve Denizalti, Hilmi Burak Kandilci, Nezahat Tugba Durlu-Kandilci, Inci Sahin-Erdemli
Interstitial cystitis is a chronic disease characterized by lower abdominal pain and some nonspecific symptoms including an increase in urinary frequency and urgency. Sphingosine 1-phosphate (S1P) is a bioactive sphingolipid that controls smooth muscle tone via G-protein coupled receptors (S1P1-3 receptors). S1P production is known to take place both in physiological states and some pathological situations, such as in overactive bladder syndrome. The intracellular mechanism of S1P-induced contractile response was investigated in β-escin permeabilized detrusor smooth muscle of rats having cyclophosphamide-induced cystitis...
November 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28804235/management-of-varicose-veins-and-chronic-venous-insufficiency-in-a-comparative-registry-with-nine-venoactive-products-in-comparison-with-stockings
#11
G Belcaro, M Dugall, R Luzzi, M Corsi, A Ledda, A Ricci, L Pellegrini, M R Cesarone, M Hosoi, B M Errichi, U Cornelli, R Cotellese, G Agus, B Feragalli
The aim of this registry study was to compare products used to control symptoms of CVI. Endpoints of the study were microcirculation, effects on volume changes, and symptoms (analogue scale). Pycnogenol, venoruton, troxerutin, the complex diosmin-hesperidin, Antistax, Mirtoselect (bilberry), escin, and the combination Venoruton-Pycnogenol (VE-PY) were compared with compressions. No safety or tolerability problems were observed. At inclusion, measurements in the groups were comparable: 1,051 patients completed the registry...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28749143/self-assembly-of-escin-molecules-at-the-air-water-interface-as-studied-by-molecular-dynamics
#12
Sonya Tsibranska, Anela Ivanova, Slavka Tcholakova, Nikolai Denkov
Escin belongs to a large class of natural biosurfactants, called saponins, that are present in more than 500 plant species. Saponins are applied in the pharmaceutical, cosmetics, and food and beverage industries due to their variously expressed bioactivity and surface activity. In particular, escin adsorption layers at the air-water interface exhibit an unusually high surface elastic modulus (>1100 mN/m) and a high surface viscosity (ca. 130 N·s/m). The molecular origin of these unusual surface rheological properties is still unclear...
August 10, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28527823/antiviral-escin-derivatives-from-the-seeds-of-aesculus-turbinata-blume-japanese-horse-chestnut
#13
Ji Won Kim, Thi-Kim-Quy Ha, Hyomoon Cho, Eunhee Kim, Sang Hee Shim, Jun-Li Yang, Won Keun Oh
Porcine epidemic diarrhea virus (PEDV) causes severe diarrhea and high fatality of piglets, influencing the swine industry. Japanese horse chestnut (seed of Aesculus turbinata) contains many saponin mixtures, called escins, and has been used for a long time as a traditional medicinal plant. Structure-activity relationship (SAR) studies on escins have revealed that acylations at C-21 and C-22 with angeloyl or tigloyl groups were important for their cytotoxic effects. However, the strong cytotoxicity of escins makes them hard to utilize for other diseases and to develop as nutraceuticals...
July 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28526517/regulation-of-rhoa-rock-and-sustained-arterial-contraction-by-low-cytosolic-ca-2-levels-during-prolonged-depolarization-of-arterial-smooth-muscle
#14
Cristina Porras-González, Antonio Ordóñez, Antonio Castellano, Juan Ureña
The role of L-type Ca2+ channels (LTCCs) and RhoA/Rho kinase (ROCK) on depolarization-induced sustained arterial contraction lasting several minutes is already known. However, in vivo, vascular smooth muscle cells can be depolarized for longer periods, inducing substantial inactivation of LTCCs and markedly reducing Ca2+ influx into the myocytes. We have examined, in femoral arterial rings, the role of LTCCs and RhoA/ROCK during long-lasting depolarization. Our results reveal a new vasoreactive response after 20-30min of depolarization in 2...
August 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28378396/the-positive-clinical-therapeutically-effects-of-escin-on-advanced-thyroid-cancer
#15
Jin-Yu Mei, Ming-Jun Zhang, Yuan-Yuan Wang, Ye-Hai Liu
The incidences of thyroid cancer keep rising worldwide over the past few decades. Although most thyroid cancers are indolent and highly curable, the treatment for advanced thyroid cancer remains challengeable in clinical practice. We performed two separate cohorts to evaluate the safety and efficiency of Escin in patients with advanced thyroid cancer . In cohort 1, 120 patients were divided into four groups equally and were administrated with placebo or different dosages of Escin. The pharmacokinetics of Escin and the side effects were evaluated...
May 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28122160/physicochemical-properties-antioxidant-and-anti-proliferative-capacities-of-dried-leaf-and-its-extract-from-xao-tam-phan-paramignya-trimera
#16
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Xao tam phan (Paramignya trimera) has been used for the treatment of cancer and cancer-like aliments. Among different parts of the P. trimera plant, leaf is considered as a residual part after harvesting of the root. This study aimed to determine the physiochemical properties and the antioxidant and anti-proliferative capacities of P. trimera leaf (PTL) using microwave drying for the preparation of dry sample; MeOH and microwave-assisted extraction for the preparation of crude extract; and freeze-drying for the preparation of powdered extract...
June 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28112272/endothelia-targeting-protection-by-escin-in-decompression-sickness-rats
#17
Kun Zhang, Zhongxin Jiang, Xiaowei Ning, Xuhua Yu, Jiajun Xu, Peter Buzzacott, Weigang Xu
Endothelial dysfunction is involved in the pathogenesis of decompression sickness (DCS) and contributes substantively to subsequent inflammatory responses. Escin, the main active compound in horse chestnut seed extract, is well known for its endothelial protection and anti-inflammatory properties. This study aimed to investigate the potential protection of escin against DCS in rats. Escin was administered orally to adult male rats for 7 d (1.8 mg/kg/day) before a simulated air dive. After decompression, signs of DCS were monitored, and blood and pulmonary tissue were sampled for the detection of endothelia related indices...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28075477/escin-induces-apoptosis-in-human-renal-cancer-cells-through-g2-m-arrest-and-reactive-oxygen-species-modulated-mitochondrial-pathways
#18
Sheau-Yun Yuan, Chen-Li Cheng, Shian-Shiang Wang, Hao-Chung Ho, Kun-Yuan Chiu, Chuan-Shu Chen, Cheng-Che Chen, Ming-Yuh Shiau, Yen-Chuan Ou
Escin, a natural pentacyclic triterpenoid compound, exhibits antitumor effects on various types of human cancer cells, but its effect on human renal cancer cells has not been fully elucidated. In the present study, we demonstrated that escin elicits cytotoxic effects on human renal cancer cells (786-O and Caki-1) in a dose-dependent manner, as determined by MTT assay. Escin induced G2/M arrest, and then increased the sub-G1 population, Annexin V binding, activation of caspase-9/-3, cleavage of poly(ADP-ribose) polymerase (PARP) and Bax protein...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28029227/physicochemical-antioxidant-and-cytotoxic-properties-of-xao-tam-phan-paramignya-trimera-root-extract-and-its-fractions
#19
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Xao tam phan (Paramignya trimera (Oliv.) Guillaum) has been used as a medicinal plant for cancer prevention and treatment in recent years. The objective of this study was to determine the physicochemical, antioxidant, and cytotoxic properties of crude P. trimera root (PTR) extract and its fractions using MeOH as a solvent and microwave-assisted extraction as an advanced technique for preparation of the PTR extract. The results showed that the PTR extract had high contents of saponins, phenolics, flavonoids, and proanthocyanidins (7731...
April 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/27727329/molecular-mechanism-for-cellular-response-to-%C3%AE-escin-and-its-therapeutic-implications
#20
Dominik Domanski, Oliwia Zegrocka-Stendel, Anna Perzanowska, Malgorzata Dutkiewicz, Magdalena Kowalewska, Iwona Grabowska, Dorota Maciejko, Anna Fogtman, Michal Dadlez, Katarzyna Koziak
β-escin is a mixture of triterpene saponins isolated from the horse chestnut seeds (Aesculus hippocastanum L.). The anti-edematous, anti-inflammatory and venotonic properties of β-escin have been the most extensively clinically investigated effects of this plant-based drug and randomized controlled trials have proved the efficacy of β-escin for the treatment of chronic venous insufficiency. However, despite the clinical recognition of the drug its pharmacological mechanism of action still remains largely elusive...
2016: PloS One
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