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https://www.readbyqxmd.com/read/29344235/metronomic-chemotherapy-remodel-cancer-associated-fibroblasts-to-decrease-chemoresistance-of-gastric-cancer-in-nude-mice
#1
Chao Wang, Wenqi Xi, Jinling Jiang, Jun Ji, Yingyan Yu, Zhenggang Zhu, Jun Zhang
The present study aimed to evaluate whether capecitabine or 5-fluorouracil (5-Fu) chemotherapy with the metronomic pattern may cause significant chemoresistance compared with the traditional pattern, and whether CAFs are involved in drug resistance. SGC-7901 cells were subcutaneously injected into the nude mice, and the mice were divided into five groups: The control group, intraperitoneally injected with normal saline; the 5-Fu conventional dose group [5-Fu maximum tolerated dose (MTD) group], intraperitoneally injected with 50 mg/kg, twice per week for 2 weeks, with an 1-week discontinuation for 6 weeks; the capecitabine conventional dose group (capecitabine MTD group), intragastric 500 mg/kg, twice per week for 2 weeks, with a 1-week discontinuation for 6 weeks; the 5-Fu metronomic group [5-Fu low-dose metronomic (LDM) group], intraperitoneally injected with 15 mg/kg, twice a week for 6 weeks; and the capecitabine metronomic group (capecitabine LDM group), intragastric administration at 200 mg/kg, twice a week for 6 weeks...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29342874/rodent-models-of-alcoholic-liver-disease-role-of-binge-ethanol-administration
#2
REVIEW
Shubha Ghosh Dastidar, Jeffrey B Warner, Dennis R Warner, Craig J McClain, Irina A Kirpich
Both chronic and acute (binge) alcohol drinking are important health and economic concerns worldwide and prominent risk factors for the development of alcoholic liver disease (ALD). There are no FDA-approved medications to prevent or to treat any stage of ALD. Therefore, discovery of novel therapeutic strategies remains a critical need for patients with ALD. Relevant experimental animal models that simulate human drinking patterns and mimic the spectrum and severity of alcohol-induced liver pathology in humans are critical to our ability to identify new mechanisms and therapeutic targets...
January 13, 2018: Biomolecules
https://www.readbyqxmd.com/read/29339949/intragastric-balloons-for-obesity-management
#3
Barham K Abu Dayyeh
No abstract text is available yet for this article.
December 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29338075/lkb1-ampk-mediated-regulation-by-gentiopicroside-ameliorates-p2x7r-dependent-alcoholic-hepatosteatosis
#4
Xia Li, Yu Zhang, Quan Jin, Kai-Li Xia, Min Jiang, Ben-Wen Cui, Yan-Ling Wu, Shun-Zong Song, Li-Hua Lian, Ji-Xing Nan
BACKGROUND AND PURPOSE: Regulating P2x7R-NLRP3 inflammasome activation might be a potential therapeutic strategy to treat alcoholic hepatosteatosis. We investigated whether this process would be modulated by gentiopicroside (GPS), which is the main active secoiridoid glycoside from Gentiana manshurica Kitagawa. EXPERIMENTAL APPROACH: In vivo models of acute and chronic alcoholic hepatosteatosis were established by intragastrically administrated ethanol or using chronic plus binge ethanol feeding of Lieber-DeCarli liquid diet to male C57BL/6 mice...
January 16, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29337342/polysaccharides-reduce-absorption-and-mutagenicity-of-3-amino-1-4-dimethyl-5h-pyrido-4-3-b-indole-in-vitro-and-in-vivo
#5
Lingying Luo, Yun Bai, Guanghong Zhou
3-Amino-1,4-dimethyl-5H-pyrido[4,3-b]indole (Trp-P-1) is a group 2B carcinogen characterized by the International Agency for Research on Cancer (IARC) and great efforts have been taken to reduce Trp-P-1 mutagenicity to humans. In this study, the effect of a reduction of Trp-P-1 on intestinal absorption as a promising strategy was investigated. The data showed that when 20 mM Trp-P-1 cotransported with 10 mM of sodium carboxymethyl cellulose (CMC), xanthan gum, or carrageenan, the absorption rate of Trp-P-1 was reduced by 31...
January 16, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29329279/diosgenin-protects-rats-from-myocardial-inflammatory-injury-induced-by-ischemia-reperfusion
#6
Hong-Wei Wang, Hua-Jin Liu, Hua Cao, Zeng-Yong Qiao, Ya-Wei Xu
BACKGROUND Diosgenin, a phytosteroid sapogenin, has anti-inflammatory properties shown to reduce myocardial ischemia-reperfusion injury (MIRI). However, the specific mechanism by which this is achieved is not clear. This study investigated the protective effects of diosgenin on myocardial ischemia/reperfusion (I/R) and the potential anti-inflammatory mechanisms. MATERIAL AND METHODS Healthy adult male SD rats, body weight (b.w.) 250-280 g, were used to model ischemia-reperfusion injury (IRI) and were administered diosgenin (50 mg/kg and 100 mg/kg b...
January 12, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29326492/hemorheological-effects-of-amlodipine-in-spontaneously-hypertensive-rats
#7
Aleksandr Y Shamanaev, Oleg I Aliev, Anna M Anishchenko, Anastasia V Sidehmenova, Mark B Plotnikov
OBJECTIVES: The effect of course administration of amlodipine on whole blood viscosity and on macro- and microrheological parameters was evaluated. MATERIALS AND METHODS: SHRs were treated intragastrically with amlodipine at a dose of 10 mg/kg for 6 weeks. After finishing the course, hemodynamic and hemorheological parameters were measured. RESULTS: The antihypertensive treatment with amlodipine resulted in a significant decrease in mean blood pressure by 29% and left ventricular to body weight mass index by 7%...
July 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29325995/acetylshikonin-from-zicao-attenuates-cognitive-impairment-and-hippocampus-senescence-in-d-galactose-induced-aging-mouse-model-via-upregulating-the-expression-of-sirt1
#8
Qisen Li, Jiacheng Zeng, Meiling Su, Yu He, Banghao Zhu
Zicao acts as a pleiotropic medicine in various diseases due to its particular pharmacological properties, including anti-inflammatory, anti-tumor, anti-oxidative, and wound healing effects. However, few studies have focused on the function in neurodegenerative diseases of Zicao. In this study, we investigated the neuroprotective effect of Acetylshikonin (AS) from Zicao on the hippocampus of the D-galactose (D-gal)-induced sub-acute aging mouse model of Alzheimer's disease (AD). The aging model was established in male Kunming mice by subcutaneous injection of D-gal (150 mg/kg/d) for 60 days, and the mice were given AS (270, 540 and 1080 mg/kg/d) or distilled water intragastrically for 30 days after 30 days of D-gal injection...
January 8, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29323165/biotransformation-and-tissue-distribution-of-protopine-and-allocryptopine-and-effects-of-plume-poppy-total-alkaloid-on-liver-drug-metabolizing-enzymes
#9
Ya-Jun Huang, Pi Cheng, Zhuo-Yi Zhang, Shi-Jie Tian, Zhi-Liang Sun, Jian-Guo Zeng, Zhao-Ying Liu
In this study, the biotransformation in the plasma, urine and feces of rats following oral administration of protopine (PRO) and allocryptopine (ALL)were explored using HPLC-QqTOF MS. An HPLC-MS/MS method for the determination of tissues was developed and applied to the tissue distribution study in rats following intragastric administration of Plume Poppy Total Alkaloid for 3 weeks. A total of ten PRO metabolites and ten ALL metabolites were characterized in rats in vivo. Among these metabolites, six PRO metabolites and five ALL metabolites were reported for the first time...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322353/quercetin-exerts-cardiovascular-protective-effects-in-lps-induced-dysfunction-in-vivo-by-regulating-inflammatory-cytokine-expression-nf-%C3%AE%C2%BAb-phosphorylation-and-caspase-activity
#10
Xiqing Wei, Xiangli Meng, Yuxiang Yuan, Fengjuan Shen, Chengqiu Li, Jun Yang
Impaired myocardial contractile function, one of the well-documented features of sepsis, contributes greatly to the high rate of mortality. Quercetin is widely accepted as a potential antioxidant and free radical scavenger. Epidemiologic studies have suggested that an increase in the intake of dietary Quercetin can reduce the risk of cardiac disease. However, presently there is no report yet on the influence of Quercetin on LPS-induced myocardial dysfunction in vivo. Cardiovascular protective effects of Quercetin on LPS-induced sepsis in mice were measured after intragastric administration, using normal saline as a positive control...
January 10, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29319896/skin-inflammation-exacerbates-food-allergy-symptoms-in-epicutaneously-sensitized-mice
#11
Akiko Kawasaki, Naohiro Ito, Hiroki Murai, Motoko Yasutomi, Hironobu Naiki, Yusei Ohshima
BACKGROUND: Cutaneous exposure to food antigen through impaired skin barrier has been shown to induce epicutaneous sensitization, thereby causing IgE-mediated food allergies. OBJECTIVE: We examined whether skin barrier impairment following epicutaneous sensitization exacerbates food allergies. METHODS: BALB/c mice were epicutaneously sensitized by repeated application of ovalbumin (OVA) to MC903-pretreated ear skin for 48 hours weekly and then intragastrically challenged with OVA...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318852/-effects-of-electroacupuncture-on-ultrastructure-of-interstitial-cells-of-cajal-and-stem-cell-factor-kit-signal-pathway-of-gastric-antrum-in-diabetic-gastroparesis-rats
#12
Cheng-Cheng Zhang, Ya-Ping Lin, Yan Peng, Zeng-Hui Yue, Hai-Jiao Chen, Jian-Wen Yang, Wei-Wei Liu, Li Liu
OBJECTIVE: To observe the effects of electroacupuncture (EA) on gastrointestinal motility and the ultrastructure of interstitial cells of Cajal (ICC) and the expressions of c-kit receptor protein and stem cell factor (SCF) mRNA in diabetic gastroparesis (DGP) rats, so as to explore its mechanism. METHODS: Fifty SD rats were randomly divided into normal, model, acupoint, non-acupoint and metoclopramide groups (n=10 rats/group). DGP model was established by intraperitoneal injection of streptozotocin (STZ, 2%), and raised with high-sugar high-fat diet irregularly...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29317251/organoselenium-group-is-critical-for-antioxidant-activity-of-7-chloro-4-phenylselenyl-quinoline
#13
Ane G Vogt, Guilherme T Voss, Renata L de Oliveira, Jaini J Paltian, Luis F B Duarte, Diego Alves, Cristiano R Jesse, Silvane S Roman, Juliano A Roehrs, Ethel A Wilhelm, Cristiane Luchese
The quinolone compounds have been reported for many biological properties, especially as potent antioxidants. This study investigated the antioxidant effect of 7-chloro-4-phenylselenyl-quinoline (PSQ), a quinolone derivative with organoselenium group, against oxidative stress induced by sodium nitroprusside (SNP) in brains of mice. A second objective was to verify the importance of phenylselenyl group presents at position 4 of the quinoline structure to antioxidant effect of compound. So, it was compared the antioxidant effect of PSQ with a quinoline without organoseleniun group (7-chloroquinoline [QN])...
January 6, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29316752/-experimental-study-on-the-expression-of-%C3%AE-sma-and-hmgb1-in-silicotic-fibrosismodel-rats-interfered-by-lumbricus
#14
T Yu, G H Li, Y M Jia, Y Lou, X Y Gan
Objective: To observe the expression of alpha smooth muscle actin (α-SMA) and high mo-bility group protein B1 (HMGB1) in silicosis model rats interfered by lumbricus. Methods: 45 rats were ran-domly divided into the control group, model group and group interfered by lumbricus. The silicosis model rats were established. The group interfered by lumbricus were intragastric administered with lumbricus decoction by the 4 ml/kg dose. The control group and model group were ig administered with the equal amount of normal saline...
November 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29316680/effect-of-low-molecular-weight-oligopeptides-isolated-from-sea-cucumber-on-diabetic-wound-healing-in-db-db-mice
#15
Di Li, Lin Li, Teng Xu, Tianxing Wang, Jinwei Ren, Xinran Liu, Yong Li
Impaired wound healing is a major clinical problem in patients with diabetes and is the leading cause of lower limb amputation. This study is aimed to observe the effects of small molecule oligopeptides isolated from sea cucumber (SCCOPs) on the wound healing process in diabetic mice. Ninety db/db male mice were divided into five groups, including the model control group, whey protein group (0.50 g/kg) and three SCCOPs dose groups (0.25 g/kg, 0.50 g/kg and 1.00 g/kg). Additionally, 18 db/m male mice were used as normal control group...
January 8, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29305305/the-safety-and-efficacy-of-the-procedureless-intragastric-balloon
#16
Salman Alsabah, Eliana Al Haddad, Shehab Ekrouf, Ahmad Almulla, Saud Al-Subaie, Mubarak Al Kendari
BACKGROUND: Obesity is on a continuous rise worldwide, and with it, novel bariatric procedures have emerged. The introduction of gastric balloons has opened up a nonsurgical option for patients opting for it. However, they still require some form of sedation and endoscopy for insertion and/or removal. OBJECTIVES: The Elipse balloon is a novel creation that has managed to bypass both these procedures; therefore, the investigation into its effectiveness is of importance...
December 9, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29302720/anti-inflammatory-effect-and-mechanism-of-the-spirocyclopiperazinium-salt-compound-lxm-15-in-rats-and-mice
#17
Xiaoli Gao, Qi Sun, Weiwei Zhang, Yimin Jiang, Runtao Li, Jia Ye
OBJECTIVE: This study aimed to investigate the anti-inflammatory effects of a novel spirocyclopiperazinium salt compound LXM-15, and explore the underlying mechanisms. METHODS: Xylene-induced mouse ear oedema and carrageenan-induced rat paw oedema tests were used to evaluate the anti-inflammatory effects of LXM-15. The protein levels of TNF-α, IL-6, phosphorylation of Janus kinase 2 (JAK2) and signal transducer and activator of transcription 3 (STAT3) were detected by ELISA or Western blot analysis...
January 4, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29302208/morroniside-on-anti-inflammation-activities-in-rats-following-acute-myocardial-infarction
#18
Bangxing Yu, Guoxing Zhang, Yi An, Wen Wang
Our previous studies have confirmed that morroniside has neuroprotective effects. However, the effects of morroniside on cardiac myocardium remain unknown. Rats were anaesthetized with 10% chloral hydrate (0.35~0.4 mL/kg) and an acute myocardial infarction (AMI) was induced by ligating the anterior descending coronary artery (LAD). Following AMI, morroniside was administered intragastrically for 3 consecutive days at doses of 45, 90 and 180 mg/kg, respectively. Lactate dehydrogenase (LDH) and cardiac troponin T (cTnT) activities in AMI rats in the serum were detected with commercial kits...
January 2018: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29301731/comment-on-brazilian-intragastric-balloon-consensus-statement-bibc-practical-recommendations-based-on-experience-of-over-40-000-cases
#19
EDITORIAL
Michel Gagner
No abstract text is available yet for this article.
November 23, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29301599/experimental-study-on-the-protection-of-agrimony-extracts-from-different-extracting-methods-against-cerebral-ischemia-reperfusion-injury
#20
Hui-Yuan Zhu, Yu-Long Bie, Jiang Wang, Jing Gao, Bing-Yue Yang, Hai-Tong Wan
Objective To study the protective effect of agrimony extracts from different extracting methods on cerebral ischemia-reperfusion injury in rats, in order to optimize the extraction scheme of agrimony. Methods Male rats were randomly assigned into seven groups: 1. Sham-operated group, 2. Untreated MCAO group (MCAO), 3. Petroleum ether extract of Agrimonia pilosa treated MCAO group (PEA), 4. Ethyl acetate extract of Agrimonia pilosa treated MCAO group (EAEA), 5. Ethanol extract of Agrimonia pilosa treated MCAO group (EEA), 6...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
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