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Frontiers in Pharmacology

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https://www.readbyqxmd.com/read/28713280/editorial-computational-and-experimental-approaches-in-multi-target-pharmacology
#1
EDITORIAL
Thomas J Anastasio
No abstract text is available yet for this article.
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713279/antiepileptogenic-and-neuroprotective-effects-of-pergularia-daemia-on-pilocarpine-model-of-epilepsy
#2
Antoine K Kandeda, Germain S Taiwe, Fleur C O Moto, Gwladys T Ngoupaye, Gisele C N Nkantchoua, Jacqueline S K Njapdounke, Jean P O Omam, Simon Pale, Nadege Kouemou, Elisabeth Ngo Bum
In this study, we investigated antiepileptogenic and neuroprotective effects of the aqueous extract of Pergularia daemia roots (PDR) using in vivo and in vitro experimental models. In in vivo studies, status epilepticus caused by pilocarpine injection triggers epileptogenesis which evolves during about 1-2 weeks. After 2 h of status epilepticus, mice were treated during the epileptogenesis period for 7 days with sodium valproate and vitamin C (standards which demonstrated to alter epileptogenesis), or Pergularia daemia...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713278/the-neuroanatomical-neurophysiological-and-psychological-basis-of-memory-current-models-and-their-origins
#3
REVIEW
Eduardo Camina, Francisco Güell
This review aims to classify and clarify, from a neuroanatomical, neurophysiological, and psychological perspective, different memory models that are currently widespread in the literature as well as to describe their origins. We believe it is important to consider previous developments without which one cannot adequately understand the kinds of models that are now current in the scientific literature. This article intends to provide a comprehensive and rigorous overview for understanding and ordering the latest scientific advances related to this subject...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713277/does-the-strategy-of-risk-group-testing-for-hepatitis-c-hit-the-target
#4
Mirjana R Jovanovic, Aleksandar Miljatovic, Laslo Puskas, Slobodan Kapor, Dijana L Puskas
In the European Union, it is estimated that there are 5.5 million individuals with chronic infection of hepatitis C. Intravenous drug abuse is undoubtedly the key source of the hepatitis C epidemic in Europe and the most efficient mode of transmission of HCV infections (primarily due to short incubation time, but also because the virus is introduced directly into the blood stream with the infected needle). Potentially high-risk and vulnerable populations in Europe (and the world) include immigrants, prisoners, sex workers, men having sex with men, individuals infected with HIV, psychoactive substance users etc...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713276/structure-activity-relationships-of-pentacyclic-triterpenoids-as-potent-and-selective-inhibitors-against-human-carboxylesterase-1
#5
Li-Wei Zou, Tong-Yi Dou, Ping Wang, Wei Lei, Zi-Miao Weng, Jie Hou, Dan-Dan Wang, Yi-Ming Fan, Wei-Dong Zhang, Guang-Bo Ge, Ling Yang
Human carboxylesterase 1 (hCE1), one of the most important serine hydrolases distributed in liver and adipocytes, plays key roles in endobiotic homeostasis and xenobiotic metabolism. This study aimed to find potent and selective inhibitors against hCE1 from phytochemicals and their derivatives. To this end, a series of natural triterpenoids were collected and their inhibitory effects against human carboxylesterases (hCEs) were assayed using D-Luciferin methyl ester (DME) and 6,8-dichloro-9,9-dimethyl-7-oxo-7,9-dihydroacridin-2-yl benzoate (DDAB) as specific optical substrate for hCE1, and hCE2, respectively...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713275/probiotics-supplementation-therapy-for-pathological-neonatal-jaundice-a-systematic-review-and-meta-analysis
#6
REVIEW
Zhe Chen, Lingli Zhang, Linan Zeng, Xiaoyan Yang, Lucan Jiang, Ge Gui, Zuojie Zhang
Background: Neonatal jaundice is a relatively prevalent disease and affects approximately 2.4-15% newborns. Probiotics supplementation therapy could assist to improve the recovery of neonatal jaundice, through enhancing immunity mainly by regulating bacterial colonies. However, there is limited evidence regarding the effect of probiotics on bilirubin level in neonates. Therefore, this study aims at systematically evaluating the efficacy and safety of probiotics supplement therapy for pathological neonatal jaundice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713274/stimulation-of-adenosine-a2b-receptor-inhibits-endothelin-1-induced-cardiac-fibroblast-proliferation-and-%C3%AE-smooth-muscle-actin-synthesis-through-the-camp-epac-pi3k-akt-signaling-pathway
#7
Sarawuth Phosri, Ajaree Arieyawong, Kwanchai Bunrukchai, Warisara Parichatikanond, Akiyuki Nishimura, Motohiro Nishida, Supachoke Mangmool
Background and Purpose: Cardiac fibrosis is characterized by an increase in fibroblast proliferation, overproduction of extracellular matrix proteins, and the formation of myofibroblast that express α-smooth muscle actin (α-SMA). Endothelin-1 (ET-1) is involved in the pathogenesis of cardiac fibrosis. Overstimulation of endothelin receptors induced cell proliferation, collagen synthesis, and α-SMA expression in cardiac fibroblasts. Although adenosine was shown to have cardioprotective effects, the molecular mechanisms by which adenosine A2 receptor inhibit ET-1-induced fibroblast proliferation and α-SMA expression in cardiac fibroblasts are not clearly identified...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713273/inhibition-of-6-phosphogluconate-dehydrogenase-reverses-cisplatin-resistance-in-ovarian-and-lung-cancer
#8
Wujian Zheng, Qi Feng, Jiao Liu, Yanke Guo, Lvfen Gao, Ruiman Li, Meng Xu, Guizhen Yan, Zhinan Yin, Shuai Zhang, Shuangping Liu, Changliang Shan
Cisplatin (DDP) is currently one of the most commonly used chemotherapeutic drugs for treating ovarian and lung cancer. However, resistance to cisplatin is common and it often leads to therapy failure. In addition, the precise mechanism of cisplatin resistance is still in its infancy. In this study, we demonstrated that the oxidative pentose phosphate pathway enzyme 6-phosphogluconate dehydrogenase (6PGD) promotes cisplatin resistance. We showed that cisplatin-resistant cancer cells (C13(∗) and A549DDP), had higher levels of 6PGD compared to their cisplatin-sensitive counterparts (OV2008 and A549)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713272/anticancer-potential-of-citrus-juices-and-their-extracts-a-systematic-review-of-both-preclinical-and-clinical-studies
#9
REVIEW
Santa Cirmi, Alessandro Maugeri, Nadia Ferlazzo, Sebastiano Gangemi, Gioacchino Calapai, Udo Schumacher, Michele Navarra
Background: During the last decades, a huge body of evidence has been accumulated suggesting that Citrus fruits and their juices might have a role in preventing many diseases including cancer. Objective: To summarize the numerous evidences on the potential of Citrus juices and their extracts as anticancer agents. Data sources: A systematic review of articles written in English using MEDLINE (1946-present), EMBASE (1974-present) and Web of Sciences (1970-present) was performed independently by two reviewers...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713271/luminally-acting-agents-for-constipation-treatment-a-review-based-on-literatures-and-patents
#10
REVIEW
Hong Yang, Tonghui Ma
Constipation is one of the most frequently reported gastrointestinal (GI) disorders that negatively impacts quality of life and is associated with a significant economic burden to the patients and society. Traditional treatments including lifestyle modification and laxatives are often ineffective in the more severe forms of constipation and over the long term. New medications targeting at intestinal chloride channels and colonic serotonin receptors have been demonstrated effective in recent years. Emerging agents focusing on improving intestinal secretion and/or colonic motility have been shown effective in animal models and even in clinical trials...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713270/evaluation-of-selected-cyp51a1-polymorphisms-in-view-of-interactions-with-substrate-and-redox-partner
#11
Tadeja Režen, Iza Ogris, Marko Sever, Franci Merzel, Simona Golic Grdadolnik, Damjana Rozman
Cholesterol is essential for development, growth, and maintenance of organisms. Mutations in cholesterol biosynthetic genes are embryonic lethal and few polymorphisms have been so far associated with pathologies in humans. Previous analyses show that lanosterol 14α-demethylase (CYP51A1) from the late part of cholesterol biosynthesis has only a few missense mutations with low minor allele frequencies and low association with pathologies in humans. The aim of this study is to evaluate the role of amino acid changes in the natural missense mutations of the hCYP51A1 protein...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713269/the-emerging-role-for-zinc-in-depression-and-psychosis
#12
REVIEW
Matthew A Petrilli, Thorsten M Kranz, Karine Kleinhaus, Peter Joe, Mara Getz, Porsha Johnson, Moses V Chao, Dolores Malaspina
Zinc participation is essential for all physiological systems, including neural functioning, where it participates in a myriad of cellular processes. Converging clinical, molecular, and genetic discoveries illuminate key roles for zinc homeostasis in association with clinical depression and psychosis which are not yet well appreciated at the clinical interface. Intracellular deficiency may arise from low circulating zinc levels due to dietary insufficiency, or impaired absorption from aging or medical conditions, including alcoholism...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713268/sitagliptin-an-anti-diabetic-drug-suppresses-estrogen-deficiency-induced-osteoporosisin-vivo-and-inhibits-rankl-induced-osteoclast-formation-and-bone-resorption-in-vitro
#13
Chuandong Wang, Fei Xiao, Xinhua Qu, Zanjing Zhai, Guoli Hu, Xiaodong Chen, Xiaoling Zhang
Postmenopausal osteoporosis is a disease characterized by excessive osteoclastic bone resorption. Some anti-diabetic drugs were demonstrated for anti-osteoclastic bone-loss effects. The present study investigated the skeletal effects of chronic administration of sitagliptin, a dipeptidyl peptidase IV (DPP IV) inhibitor that is increasingly used for type 2 diabetes treatments, in an estrogen deficiency-induced osteoporosis and elucidated the associated mechanisms. This study indicated that sitagliptin effectively prevented ovariectomy-induced bone loss and reduced osteoclast numbers in vivo...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713267/epoxyeicosatrienoic-acid-analog-decreases-renal-fibrosis-by-reducing-epithelial-to-mesenchymal-transition
#14
Melissa Skibba, Md Abdul Hye Khan, Lauren L Kolb, Michael M Yeboah, John R Falck, Radhika Amaradhi, John D Imig
Renal fibrosis, which is a critical pathophysiological event in chronic kidney diseases, is associated with renal epithelial-to-mesenchymal transition (EMT). Epoxyeicosatrienoic acids (EETs) are Cyp epoxygenase arachidonic acid metabolites that demonstrate biological actions that result in kidney protection. Herein, we investigated the ability of 14,15-EET and its synthetic analog, EET-A, to reduce kidney fibrosis induced by unilateral ureter obstruction (UUO). C57/BL6 male mice underwent sham or UUO surgical procedures and were treated with 14,15-EET or EET-A in osmotic pump (i...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713266/significance-of-microbiota-in-obesity-and-metabolic-diseases-and-the-modulatory-potential-by-medicinal-plant-and-food-ingredients
#15
REVIEW
Hoda M Eid, Michelle L Wright, N V Anil Kumar, Abdel Qawasmeh, Sherif T S Hassan, Andrei Mocan, Seyed M Nabavi, Luca Rastrelli, Atanas G Atanasov, Pierre S Haddad
Metabolic syndrome is a cluster of three or more metabolic disorders including insulin resistance, obesity, and hyperlipidemia. Obesity has become the epidemic of the twenty-first century with more than 1.6 billion overweight adults. Due to the strong connection between obesity and type 2 diabetes, obesity has received wide attention with subsequent coining of the term "diabesity." Recent studies have identified unique contributions of the immensely diverse gut microbiota in the pathogenesis of obesity and diabetes...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28713265/a-comparison-of-reimbursement-recommendations-by-european-hta-agencies-is-there-opportunity-for-further-alignment
#16
Nicola Allen, Lawrence Liberti, Stuart R Walker, Sam Salek
Introduction: In Europe and beyond, the rising costs of healthcare and limited healthcare resources have resulted in the implementation of health technology assessment (HTA) to inform health policy and reimbursement decision-making. European legislation has provided a harmonized route for the regulatory process with the European Medicines Agency, but reimbursement decision-making still remains the responsibility of each country. There is a recognized need to move toward a more objective and collaborative reimbursement environment for new medicines in Europe...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28706488/postnatal-maturation-of-the-glomerular-filtration-rate-in-conventional-growing-piglets-as-potential-juvenile-animal-model-for-preclinical-pharmaceutical-research
#17
Elke Gasthuys, Mathias Devreese, Joske Millecam, Stanislas Sys, Katrien Vanderperren, Joris Delanghe, Johan Vande Walle, Marjolein Heyndrickx, Siska Croubels
Adequate animal models are required to study the preclinical pharmacokinetics (PK), pharmacodynamics (PD) and safety of drugs in the pediatric subpopulation. Over the years, pigs were presented as a potential animal model, since they display a high degree of anatomical and physiological similarities with humans. To assess the suitability of piglets as a preclinical animal model for children, the ontogeny and maturation processes of several organ systems have to be unraveled and compared between both species...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28706487/pekinenin-e-inhibits-the-growth-of-hepatocellular-carcinoma-by-promoting-endoplasmic-reticulum-stress-mediated-cell-death
#18
Lu Fan, Qingling Xiao, Yanyan Chen, Gang Chen, Jinao Duan, Weiwei Tao
Hepatocellular carcinoma (HCC) is a malignant primary liver cancer with poor prognosis. In the present study, we report that pekinenin E (PE), a casbane diterpenoid derived from the roots of Euphorbia pekinensis, has a strong antitumor activity against human HCC cells both in vitro and in vivo. PE suppressed the growth of human HCC cells Hep G2 and SMMC-7721. In addition, PE-mediated endoplasmic reticulum (ER) stress caused increasing expressions of C/EBP homologous protein (CHOP), leading to apoptosis in HCC cells both in vitro and in vivo...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28706486/observed-and-normative-discount-functions-in-addiction-and-other-diseases
#19
Salvador Cruz Rambaud, María J Muñoz Torrecillas, Taiki Takahashi
The aim of this paper is to find a suitable discount function able to describe the progression of a certain addiction or disease under treatment as a discounting process. In effect, a certain indicator related to a disease decays over time in a manner which is mathematically similar to the way in which discounting has been modeled. We analyze the discount functions observed in experiments which study addictive and other problematic behaviors as well as some alternative hyperbola-like discount functions in order to fit the patience exhibited by the subject after receiving the treatment...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28706485/the-combination-of-rituximab-and-bendamustine-as-first-line-treatment-is-highly-effective-in-the-eradicating-minimal-residual-disease-in-follicular-lymphoma-an-italian-retrospective-study
#20
Sara Galimberti, Elena Ciabatti, Giacomo Ercolano, Susanna Grassi, Francesca Guerrini, Nadia Cecconi, Martina Rousseau, Giulia Cervetti, Francesco Mazziotta, Lorenzo Iovino, Franca Falzetti, Flavio Falcinelli, Alberto Bosi, Luigi Rigacci, Sofia Kovalchuk, Daniele Vallisa, Lucia Macchia, Eugenio Ciancia, Mario Petrini
R-Bendamustine is an effective treatment for follicular lymphoma (FL). Previous large trials demonstrated the prognostic role of the molecular minimal residual disease (MRD) during the most frequently adopted chemotherapeutic regimens, but there are not yet conclusive data about the effect of combination of rituximab (R) and bendamustine in terms of MRD clearance. Thus, the aim of this retrospective study was to assess if and in what extent the combination of rituximab and bendamustine would exert a significant reduction of the molecular disease in 48 previously untreated FL patients...
2017: Frontiers in Pharmacology
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