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https://www.readbyqxmd.com/read/28811708/involvement-of-crf2-signaling-in-enterocyte-differentiation
#1
Benjamin Ducarouge, Marjolaine Pelissier-Rota, Rebecca Powell, Alain Buisson, Bruno Bonaz, Muriel Jacquier-Sarlin
AIM: To determine the role of corticotropin releasing factor receptor (CRF2) in epithelial permeability and enterocyte cell differentiation. METHODS: For this purpose, we used rat Sprague Dawley and various colon carcinoma cell lines (SW620, HCT8R, HT-29 and Caco-2 cell lines). Expression of CRF2 protein was analyzed by fluorescent immunolabeling in normal rat colon and then by western blot in dissociated colonic epithelial cells and in the lysates of colon carcinoma cell lines or during the early differentiation of HT-29 cells (ten first days)...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28810519/the-beneficial-role-of-naringin-a-citrus-bioflavonoid-against-oxidative-stress-induced-neurobehavioral-disorders-and-cognitive-dysfunction-in-rodents-a-systematic-review-and-meta-analysis
#2
REVIEW
Gollapalle Lakshminarayanashastry Viswanatha, H Shylaja, Yogananda Moolemath
OBJECTIVES: Naringin is a bioflavonoid, very abundantly found in citrus species. In literature, naringin has been scientifically well documented for its beneficial effects in various neurological disorders. In this systematic review and meta-analysis, we have made an attempt to correlate the protective role of naringin against oxidative stress-induced neurological disorders in rodents. METHODS: The systematic search was performed using electronic databases; the search was mainly focused on the role of naringin in oxidative stress-induced neuropathological conditions in rodents...
August 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28805469/long-chain-triglycerides-based-self-nanoemulsifying-oily-formulations-sneofs-of-darunavir-with-improved-lymphatic-targeting-potential
#3
Babita Garg, Sarwar Beg, Ranjot Kaur, Rajendra Kumar, Om Prakash Katare, Bhupinder Singh
The current studies entail systematic development of SNEOFs containing long-chain triglycerides for improving lymphatic targeting of darunavir for complete inhibition of HIV progression. As per QbD-oriented approach for formulation development, the QTPP was defined and CQAs were earmarked. Preformulation equilibrium solubility and phase diagram studies, and risk assessment through FMEA studies identified Lauroglycol 90, Tween 80 and Transcutol HP as the lipid, emulgent and cosolvent, respectively, for formulating SNEOFs of darunavir...
August 14, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28804948/nelumbo-nucifera-leaf-extract-treatment-attenuated-preneoplastic-lesions-and-oxidative-stress-in-the-livers-of-diethylnitrosamine-treated-rats
#4
Chi-Ting Horng, Chien-Wei Huang, Mon-Yuan Yang, Tzu-Hsin Chen, Yun-Ching Chang, Chau-Jong Wang
Lotus (Nelumbo nucifera Gaertn) possesses antioxidant, hepatoprotective, and anticancer potential. This study determined the protective role of aqueous extract from Nelumbo nucifera leaves (NLE) against N-diethylnitrosamine (DEN)-induced oxidative stress and hepatocellular carcinogenesis in a sample of Sprague-Dawley rats. NLE was fed orally to rats in which hepatic carcinoma was induced with DEN for 12 weeks. Five groups of 12 rats each were used for the study: Group I (control group) rats received distilled water; Group II rats were induced with DEN; Group III rats were induced with DEN and cotreated with 0...
August 14, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28804442/mesozeaxanthin-protects-the-liver-and-reduces-cardio-metabolic-risk-factors-in-an-insulin-resistant-rodent-model
#5
Kazim Sahin, Cemal Orhan, Fatih Akdemir, Mehmet Tuzcu, Nurhan Sahin, Ismet Yilmaz, Shakir Ali, Jayant Deshpande, Vijaya Juturu
Background: Mesozeaxanthin (MZ) is a macular carotenoid which has been reported to have a number of pharmacological properties, including the antioxidant, and anticarcinogenic property, and has been stated to decrease the hepatocyte lipid content. Objective: In this study, we investigated the effect of MZ on cardio-metabolic health risk (CMHR) and its probable mechanisms of action in rats fed a high-fat diet (HFD). Design: Rats were randomly divided into four groups consisting of (i) Control, (ii) MZ, (iii) HFD, and (iv) HFD+MZ...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28802640/nonalcoholic-fatty-liver-disease-associated-with-metabolic-syndrome-influence-of-liver-fibrosis-stages-on-characteristics-of-very-low-density-lipoproteins
#6
Diego Lucero, Verónica Miksztowicz, Gisela Gualano, Cristina Longo, Graciela Landeira, Estela Álvarez, Valeria Zago, Fernando Brites, Gabriela Berg, Eduardo Fassio, Laura Schreier
BACKGROUND: We evaluated possible changes in VLDLcharacteristics, and metabolic related factors, in MetS-associated NAFLD and accompanying liver fibrosis. METHODS: We studied 36 MetS patients with biopsy-proven NAFLD (MetS+NAFLD) and 24 MetS without ultrasound NAFLD evidence. Further, MetS+NAFLD was sub-divided according to fibrosis stage into, non-to-moderate (F0-F2, n=27) and severe (F3-F4, n=9) fibrosis. We measured: lipid profile, VLDL composition and size (size exclusion-HPLC), CETP and lipoprotein lipase (LPL) activities and adiponectin...
August 9, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28801714/parthenolide-attenuates-7-12-dimethylbenz-a-anthracene-induced-hamster-buccal-pouch-carcinogenesis
#7
Nagarethinam Baskaran, Govindan Sadasivam Selvam, Subramani Yuvaraj, Albert Abhishek
Over the decades, the survival rates for oral cancer have not improved despite development in novel diagnostic and therapeutic strategies. Therefore, the present study is aimed at investigating the chemopreventive potential of parthenolide in DMBA-induced hamster buccal pouch carcinogenesis. The hamsters were divided into 4 groups (n = 6/group). Group I was treated as control. Groups II and III were painted with a solution of 0.5% DMBA three times per week for 14 weeks on the left buccal pouches. In addition, group III were orally administrated with parthenolide 2 mg/kg b...
August 12, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28800942/plasma-and-ovarian-tissue-sphingolipids-profiling-in-patients-with-advanced-ovarian-cancer
#8
Paweł Knapp, Lubomir Bodnar, Agnieszka Błachnio-Zabielska, Magdalena Świderska, Adrian Chabowski
PURPOSE: The role of lipids in carcinogenesis through induction of abnormal cell lines in the human body is currently undisputable. Based on the literature, bioactive sphingolipids play an essential role in the development and progression of cancer and are involved in the metastatic process. The aim of this study was to determine the concentration of selected sphingolipids in patients with advanced ovarian cancer (AOC, FIGO III/IV, high grade ovarian cancer). METHODS: Seventy-four patients with ovarian cancer were enrolled...
August 8, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28795024/chemopreventive-effect-of-artesunate-in-1-2-dimethylhydrazine-induced-rat-colon-carcinogenesis
#9
Sazal Patyar, Rakesh Raman Patyar, Bikash Medhi, Krishan Lal Khanduja
Artesunate (ART) is a semisynthetic derivative of artemisinin. Artemisinin and its derivatives have shown profound cytotoxicity and antitumor activity in addition to antimalarial activity in various studies. As the in vivo chemopreventive efficacy of ART in colon carcinogenesis has not been investigated so far, the aim of the current study was to study the chemopreventive effect of ART in 1,2-dimethylhydrazine (DMH)-induced rat colon carcinogenesis. Animals were divided into four groups (n = 6): Group I - vehicle (1 mM ethylenediaminetetraacetic acid), Group II - DMH (20 mg/kg), Group III - DMH + 5-fluorouracil (81 mg/kg), Group IV - DMH + ART (6...
July 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28794923/a-sustainable-use-of-low-cost-raw-substrates-for-biodiesel-production-by-the-oleaginous-yeast-wickerhamomyces-anomalus
#10
Fatma Arous, Imen Ben Atitallah, Moncef Nasri, Tahar Mechichi
Over the past decade, the increasing demand of vegetable oils for biodiesel production has highlighted the need for alternative oil feedstocks that do not compete with food production. In this context, the combined use of agro-industrial wastes and oleaginous microorganisms could be a promising strategy for sustainable biodiesel production. The present investigation involves the performance of the oleaginous yeast Wickerhamomyces anomalus strain EC28 to produce lipids from different agro-industrial wastewaters (i...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28794103/effect-of-circulating-glucagon-and-free-fatty-acids-on-hepatic-fgf21-production-in-dairy-cows
#11
Luciano S Caixeta, Sarah L Giesy, Christopher S Krumm, James W Perfield, Anthony Butterfield, Katie M Schoenberg, Donald Clarence Beitz, Yves R Boisclair
Modern dairy cows meet the energy demand of early lactation by calling on hormonally-driven mechanisms to increase the use of lipid reserves. In this context, we recently reported that fibroblast growth factor-21 (FGF21), a hormone required for efficient use of lipid reserves in rodents, is upregulated in periparturient dairy cows. Increased plasma FGF21 in early lactation coincides with elevated circulating concentrations of glucagon (GCG) and non-esterified fatty acids (NEFA). To assess the relative contribution of these factors in regulating FGF21, two experiments were performed in energy sufficient, non-pregnant, non-lactating dairy cows...
August 9, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28791578/protective-role-of-antioxidants-capacity-of-hyrtios-aff-erectus-sponge-extract-against-mixture-of-persistent-organic-pollutants-pops-induced-hepatic-toxicity-in-mice-liver-biomarkers-and-ultrastructural-study
#12
Nehad M Abd El-Moneam, Mohamed A Shreadah, Samy A El-Assar, Asmaa Nabil-Adam
The current study investigates the hepatoprotective effect of Hyrtios aff. Erectus sponge extract against POPs intoxication on endogenous antioxidant enzymes and lipid peroxidation in mice liver tissue. In the present study, the mice BALB/C were assigned into four groups: group I: received saline subcutaneously for 7 days and served as negative control; group II: received subcutaneously for 7 days, 130.6 mg/100 g/b. w/day POPs mixture(mixture of PCB 28, PCB 52,, PCB 101, PCB 118, PCB 153, PCB 138 and PCB 180, alpha-Hexachlorocyclohexane, beta-Hexachloro-cyclohexane, gamma-hexachlorocyclohexane, Aldrin, O,P'-DDE, Dieldrin, P,p DDE, O,P DDD, Endrin, P,p DDD and P,pDDT were extracted from sediments collected from Lake Mariout), and served as induced group; group III: pretreated with Hyrtios aff...
August 8, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28777292/influence-of-a-virgin-olive-oil-versus-butter-plus-cholesterol-enriched-diet-on-testicular-enzymatic-activities-in-adult-male-rats
#13
Germán Domínguez-Vías, Ana Belén Segarra, Magdalena Martínez-Cañamero, Manuel Ramírez-Sánchez, Isabel Prieto
The aim of the present work was to improve our knowledge on the mechanisms underlying the beneficial or deleterious effects on testicular function of the so-called Mediterranean and Western diet by analyzing glutamyl aminopeptidase (GluAP), gamma glutamyl transpeptidase (GGT) and dipeptidyl peptidase IV (DPP IV) activities in testis, as enzymes involved in testicular function. Male Wistar rats (6 months old) were fed for 24 weeks with three different diets: standard (S), an S diet supplemented with virgin-olive-oil (20%) (VOO), or a S diet enriched with butter (20%) plus cholesterol (0...
August 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28772107/family-specific-aggregation-of-lipid-gwas-variants-confers-the-susceptibility-to-familial-hypercholesterolemia-in-a-large-austrian-family
#14
Elina Nikkola, Arthur Ko, Marcus Alvarez, Rita M Cantor, Kristina Garske, Elliot Kim, Stephanie Gee, Alejandra Rodriguez, Reinhard Muxel, Niina Matikainen, Sanni Söderlund, Mahdi M Motazacker, Jan Borén, Claudia Lamina, Florian Kronenberg, Wolfgang J Schneider, Aarno Palotie, Markku Laakso, Marja-Riitta Taskinen, Päivi Pajukanta
BACKGROUND AND AIMS: Hypercholesterolemia confers susceptibility to cardiovascular disease (CVD). Both serum total cholesterol (TC) and LDL-cholesterol (LDL-C) exhibit a strong genetic component (heritability estimates 0.41-0.50). However, a large part of this heritability cannot be explained by the variants identified in recent extensive genome-wide association studies (GWAS) on lipids. Our aim was to find genetic causes leading to high LDL-C levels and ultimately CVD in a large Austrian family presenting with what appears to be autosomal dominant inheritance for familial hypercholesterolemia (FH)...
July 22, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28767204/blockade-of-myeloid-differentiation-protein-2-prevents-obesity-induced-inflammation-and-nephropathy
#15
Qilu Fang, Lintao Wang, Daona Yang, Xiong Chen, Xiaoou Shan, Yali Zhang, Hazel Lum, Jingying Wang, Peng Zhong, Guang Liang, Yi Wang
Obesity is a major and independent risk factor of kidney diseases. The pathogenic mechanisms of obesity-associated renal injury are recognized to at least involve a lipid-rich and pro-inflammatory state of the renal tissues, but specific mechanisms establishing causal relation remain unknown. Saturated fatty acids are elevated in obesity, and known to induce chronic inflammation in kidneys. Myeloid differentiation protein 2 (MD2) is an important protein in lipopolysaccharide-induced innate immunity response and inflammation...
August 2, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28766182/lipidomics-and-anti-trypanosomatid-chemotherapy
#16
REVIEW
Michael Biagiotti, Sedelia Dominguez, Nader Yamout, Rachel Zufferey
BACKGROUND: Trypanosomatids such as Leishmania, Trypanosoma brucei and Trypanosoma cruzi belong to the order Kinetoplastida and are the source of many significant human and animal diseases. Current treatment is unsatisfactory and is compromised by the rising appearance of drug resistant parasites. Novel and more effective chemotherapeutics are urgently needed to treat and prevent these devastating diseases, which relies on the identification of essential, parasite specific targets that are absent in the host...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28763303/insights-into-the-potential-antidepressant-mechanisms-of-cilostazol-in-chronically-restraint-rats-impact-on-the-nrf2-pathway
#17
Sally A Abuelezz, Nevien Hendawy
Ample evidence has pointed to a close link between oxidative stress, mitochondrial dysfunction, and depression. Nuclear factor-erythroid 2-related factor-2 (Nrf2) is a master regulator of cellular redox homeostasis and affects mitochondrial function. Nrf2 holds promise for depression prevention and treatment. This study aimed to investigate the potential prophylactic antidepressant effect of cilostazol and the contribution of the Nrf2 pathway toward the putative neuroprotection. The behavioral and neurochemical effects of concomitant treatment of oral cilostazol at doses of 7...
July 31, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28758851/effects-of-aqueous-extract-of-arctium-lappa-l-roots-on-serum-lipid-metabolism
#18
Bo Hou, Wencheng Wang, Hui Gao, Shanglang Cai, Chunbo Wang
Objective To identify potential genes that may be involved in lipid metabolism in rats after treatment with aqueous extract of Arctium lappa L (burdock). Methods Rats were randomly divided into six groups: (i) control (standard diet); (ii) model group (high-fat diet only); (iii) high-fat diet and low-dose aqueous burdock root extract (2 g/kg); (iv) high-fat diet and moderate-dose aqueous burdock root extract (4 g/kg); (v) high-fat diet and high-dose aqueous burdock root extract (8 g/kg); and (vi) a positive control group exposed to a high-fat diet and simvastatin (10 mg/kg)...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28756613/phase-ii-study-of-paclitaxel-associated-with-lipid-core-nanoparticles-lde-as-third-line-treatment-of-patients-with-epithelial-ovarian-carcinoma
#19
Silvia R Graziani, Carolina G Vital, Aleksandra T Morikawa, Brigitte M Van Eyll, Hezio J Fernandes Junior, Roberto Kalil Filho, Raul C Maranhão
Ovarian cancer is often diagnosed at advanced stages, when poorly responsive to standard treatment. First-line treatment consists in schemes including cytoreductive surgery followed by adjuvant chemotherapy schemes with platinum and taxane derivatives. Second-line regimens are based on gemcitabine and liposomal doxorubicin. Third line is often not worthwhile because of the high toxicity with poor response to treatment. Previously, we showed that paclitaxel (PTX) carried in non-protein lipid core nanoparticles (LDE) resembling the chemical structure of LDL has remarkably reduced toxicity...
September 2017: Medical Oncology
https://www.readbyqxmd.com/read/28750656/oligomeric-amyloid-beta-induces-mapk-mediated-activation-of-brain-cytosolic-and-calcium-independent-phospholipase-a2-in-a-spatial-specific-manner
#20
Juan Pablo Palavicini, Chunyan Wang, Linyuan Chen, Kristen Hosang, Jianing Wang, Takami Tomiyama, Hiroshi Mori, Xianlin Han
Alzheimer's disease (AD) is histopathologically characterized by the build-up of fibrillar amyloid beta (Aβ) in the form of amyloid plaques and the development of intraneuronal neurofibrillary tangles consisting of aggregated hyperphosphorylated Tau. Although amyloid fibrils were originally considered responsible for AD pathogenesis, recent convincing evidence strongly implicates soluble oligomeric Aβ as the primary neurotoxic species driving disease progression. A third largely ignored pathological hallmark, originally described by Alois Alzheimer, is the presence of "adipose inclusions", suggestive of aberrant lipid metabolism...
July 27, 2017: Acta Neuropathologica Communications
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