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https://www.readbyqxmd.com/read/28646810/synergistic-anti-breast-cancer-effects-of-combined-treatment-with-oleuropein-and-doxorubicin-in-vivo
#1
Maha H Elamin, Abdelsalam B Elmahi, Maha H Daghestani, Ebtesam M Al-Olayan, Reem A Al-Ajmi, Afrah F Alkhuriji, Sherifa S Hamed, Manal F Elkhadragy
Context • Breast cancer is a leading cause of cancer fatalities among women worldwide. Of the more than 80% of patients who receive adjuvant chemotherapy, approximately 40% relapse. The majority of these patients die of disseminated metastatic disease, which emphasizes the need for new therapeutic strategies Objective • The study intended to investigate the anticancer effects of oleuropein (OL) and doxorubicin (DOX) individually and in combination on breast tumor xenografts and also to evaluate the molecular pathways involved...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646587/perioperative-pain-management-after-fibular-free-flap-harvesting-for-head-and-neck-reconstruction-using-mini-catheters-to-inject-local-anesthetic-a-pilot-study
#2
Andrea Ferri, Andrea Varazzani, Adriana Valente, Giuseppe Pedrazzi, Bernardo Bianchi, Silvano Ferrari, Enrico Sesenna
BACKGROUND: Fibular donor site pain management in the early postoperative period can help minimize complications, patient discomfort, and agitation. Traditional management of postoperative pain consists of systemic administration of opioids and NSAIDS. The use of local anesthetics in addition to systemic analgesics has the potential to improve pain control. Purpose of the study is to evaluate the efficacy of mini-catheters used to inject local anesthetic into the fibular donor site after flap harvesting for reconstruction of the head-and-neck area...
June 24, 2017: Microsurgery
https://www.readbyqxmd.com/read/28646535/targeting-stat3-by-ho3867-induces-apoptosis-in-ovarian-clear-cell-carcinoma
#3
Kristin Bixel, Uksha Saini, Hemant Kumar Bid, John Fowler, Maria Riley, Ross Wanner, Kalpana Deepa Priya Dorayappan, Sneha Rajendran, Ikuo Konishi, Noriomi Matsumura, David E Cohn, Karuppaiyah Selvendiran
Advanced ovarian clear cell carcinoma (OCCC) carries a very poor prognosis in large part secondary to the extremely high rate of resistance to standard platinum and taxane chemotherapy. STAT3 expression and activation has been shown to regulate tumor progression in various human cancers, though has not been well studied in OCCC. Preliminary work in our lab has demonstrated constitutive activation of STAT3 (pSTAT3Tyr705 or pSTAT3727) in OCCC cell lines as well as human OCCC tumor tissue samples. Significantly, pSTAT3 is expressed in the absence of other forms of activated STAT (pSTAT1, 2, 6)...
June 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28646469/the-cathinones-mdpv-and-%C3%AE-pvp-elicit-different-behavioral-and-molecular-effects-following-acute-exposure
#4
Giuseppe Giannotti, Isabella Canazza, Lucia Caffino, Sabrine Bilel, Andrea Ossato, Fabio Fumagalli, Matteo Marti
Since the mid-to-late 2000s, synthetic cathinones have gained popularity among drug users due to their psychostimulant effects greater than those produced by cocaine and amphetamine. Among them, 3,4-methylenedioxypyrovalerone (MDPV) and 1-phenyl-2-(pyrrolidin-1-yl)pentan-1-one (α-PVP) are ones of the most popular cathinones available in the clandestine market as "bath salts" or "fertilizers." Pre-clinical studies indicate that MDPV and α-PVP induced psychomotor stimulation, affected thermoregulation, and promoted reinforcing properties in rodents...
June 23, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28646440/a-comparison-of-three-different-intravitreal-treatment-modalities-of-macular-edema-due-to-branch-retinal-vein-occlusion
#5
Havva Erdogan Kaldırım, Serpil Yazgan
PURPOSE: To compare the efficacy of intravitreal injection of ranibizumab, dexamethasone implant and aflibercept for the management of macular edema (ME) related to branch retinal vein occlusion (BRVO). METHODS: This retrospective and comparative study included 62 eyes of 62 patients with BRVO and ME. Patients received one of the following treatments: 0.5 mg ranibizumab (group 1, n = 22), 0.7 mg dexamethasone implant (group 2, n = 20) and 2 mg aflibercept (group 3, n = 20)...
June 23, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28646338/chemotherapy-induced-gastrointestinal-toxicity-is-associated-with-changes-in-serum-and-urine-metabolome-and-fecal-microbiota-in-male-sprague-dawley-rats
#6
Richard A Forsgård, Vannina G Marrachelli, Katri Korpela, Rafael Frias, Maria Carmen Collado, Riitta Korpela, Daniel Monleon, Thomas Spillmann, Pia Österlund
PURPOSE: Chemotherapy-induced gastrointestinal toxicity (CIGT) is a complex process that involves multiple pathophysiological mechanisms. We have previously shown that commonly used chemotherapeutics 5-fluorouracil, oxaliplatin, and irinotecan damage the intestinal mucosa and increase intestinal permeability to iohexol. We hypothesized that CIGT is associated with alterations in fecal microbiota and metabolome. Our aim was to characterize these changes and examine how they relate to the severity of CIGT...
June 23, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28646158/metabolic-recovery-of-lipodystrophy-liver-steatosis-and-pancreatic-%C3%AE-cell-proliferation-after-the-withdrawal-of-osi-906
#7
Kazuki Tajima, Jun Shirakawa, Yu Togashi, Shunsuke Yamazaki, Tomoko Okuyama, Mayu Kyohara, Hiromi Konishi, Yasuo Terauchi
Growth factor signaling via insulin receptor (IR) and IGF-1 receptor (IGF1R) plays several important roles in the pathogenesis of metabolic syndrome and diabetes. OSI-906 (linsitinib), an anti-tumor drug, is an orally bioavailable dual inhibitor of IR and IGF1R. To investigate the recovery from metabolic changes induced by the acute inhibition of IR and IGF1R in adult mice, mice were treated with OSI-906 or a vehicle for 7 days and the results were analyzed on the last day of injection (Day 7) or after 7 or 21 days of withdrawal (Day 14 or Day 28)...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645995/mepolizumab-for-the-treatment-of-severe-eosinophilic-asthma
#8
REVIEW
Mara N Poulakos, Shawna M Cargill, Melissa F Waineo, Allen L Wolford
PURPOSE: Published data on the pharmacology, pharmacokinetics and pharmacodynamics, and clinical efficacy and safety of the interleukin-5 antagonist mepolizumab are reviewed. SUMMARY: Asthma of the eosinophilic phenotype is characterized by persistent eosinophilic airway inflammation promoted primarily by T-helper type 2 cytokines, the key regulator of eosinophils. Patients with severe eosinophilic asthma are burdened by the need to administer high doses of corticosteroids to help manage their symptoms...
July 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28645939/combined-btk-and-pi3k%C3%AE-inhibition-with-acalabrutinib-and-acp-319-improves-survival-and-tumor-control-in-cll-mouse-model
#9
Carsten U Niemann, Helena I Mora-Jensen, Eman L Dadashian, Fanny Krantz, Todd Covey, Shih-Shih Chen, Nicholas- Chiorazzi, Raquel Izumi, Roger Ulrich, Brian J Lannutti, Adrian Wiestner, Sarah E M Herman
Purpose: Targeting the B-cell receptor (BCR) pathway with inhibitors of BTK and PI3K-delta is highly effective for the treatment of chronic lymphocytic leukemia (CLL). However, deep remissions are uncommon and drug resistance with single-agent therapy can occur. In vitro studies support the effectiveness of combing PI3K-delta and BTK inhibitors. <p>Experimental design: As CLL proliferation and survival depends on the microenvironment, we used murine models to assess the efficacy of the BTK inhibitor acalabrutinib combined with the PI3K-delta inhibitor ACP-319 in vivo We compared single-agent with combination therapy in TCL1-192 cell-injected mice, a model of aggressive CLL...
June 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28645267/a-rapid-and-quantitative-method-to-detect-human-circulating-tumor-cells-in-a-preclinical-animal-model
#10
Shih-Hsin Tu, Yi-Chen Hsieh, Li-Chi Huang, Chun-Yu Lin, Kai-Wen Hsu, Wen-Shyang Hsieh, Wei-Ming Chi, Chia-Hwa Lee
BACKGROUND: As cancer metastasis is the deadliest aspect of cancer, causing 90% of human deaths, evaluating the molecular mechanisms underlying this process is the major interest to those in the drug development field. Both therapeutic target identification and proof-of-concept experimentation in anti-cancer drug development require appropriate animal models, such as xenograft tumor transplantation in transgenic and knockout mice. In the progression of cancer metastasis, circulating tumor cells (CTCs) are the most critical factor in determining the prognosis of cancer patients...
June 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28645060/young-people-who-use-drugs-engaged-in-harm-reduction-programs-in-new-york-city-overdose-and-other-risks
#11
Michele Calvo, Jessica MacFarlane, Heather Zaccaro, Matthew Curtis, María Cabán, Jamie Favaro, Marian R Passannante, Taeko Frost
BACKGROUND: Little is known about the engagement of young people who use drugs (PWUD) in harm reduction programs (HRPs), and few studies have included non-opioid users and non-injectors. While HRPs have effectively engaged PWUD, young people are under-represented in their services. METHODS: The Injection Drug Users Health Alliance Citywide Study (IDUCS) is the largest community-based study of PWUD in HRPs in the US. From 2014-2015, 2421 HRP participants across New York City (NYC) completed a cross-sectional survey...
June 15, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28644875/estimation-of-the-optimal-dosing-regimen-of-escitalopram-in-dogs-a-dose-occupancy-study-with-11c-dasb
#12
Olivia Taylor, Nick Van Laeken, Ingeborgh Polis, Robrecht Dockx, Lise Vlerick, Andre Dobbeleir, Ingeborg Goethals, Jimmy Saunders, Nele Sadones, Chris Baeken, Filip De Vos, Kathelijne Peremans
Although the favourable characteristics of escitalopram as being the most selective serotonin reuptake inhibitor and having an increased therapeutic efficacy via binding on an additional allosteric binding site of the serotonin transporter, its dosing regimen has not yet been optimized for its use in dogs. This study aimed to estimate the optimal dosing frequency and the required dose for achieving 80% occupancy of the serotonin transporters in the basal ganglia. The dosing frequency was investigated by determining the elimination half-life after a four day oral pre-treatment period with 0...
2017: PloS One
https://www.readbyqxmd.com/read/28644739/treatment-of-hepatitis-c-with-new-fixed-dose-combinations
#13
Vicente Soriano
The advent of oral direct-acting antivirals (DAA) has revolutionized the hepatitis C virus (HCV) therapeutic landscape providing cure rates over 90%. However, a subset of patients remains at higher risk for treatment failure, including those infected with: i) genotype 3 and cirrhosis; ii) resistance-associated substitutions (RAS) occurring either as natural polymorphisms or selected after prior DAA failure; and iii) poor drug adherence associated with social disabilities (homeless, psychiatric illnesses, injection drug use, alcoholism, etc...
June 23, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28644285/injectable-drug-approved-for-moderate-to-severe-eczema
#14
Diane S Aschenbrenner
No abstract text is available yet for this article.
July 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28644090/transdermal-administration-of-melatonin-coupled-to-cryopass-laser-treatment-as-noninvasive-therapy-for-prostate-cancer
#15
Laura Terraneo, Paola Bianciardi, Eleonora Virgili, Elena Finati, Michele Samaja, Rita Paroni
Melatonin, a pineal gland hormone, exerts oncostatic activity in several types of human cancer, including prostate, the most common neoplasia and the third most frequent cause of male cancer death in the developed world. The growth of androgen-sensitive LNCaP prostate cancer cells in mice is inhibited by 3 mg/kg/week melatonin (0.09 mg/mouse/week) delivered by i.p. injections, which is equivalent to a dose of 210 mg/week in humans. The aim of this study is to test an alternative noninvasive delivery route based on transdermal administration of melatonin onto the tumor area followed by cryopass-laser treatment...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28643265/factors-associated-with-high-24-month-persistence-with-denosumab-results-of-a-real-world-non-interventional-study-of-women-with-postmenopausal-osteoporosis-in-germany-austria-greece-and-belgium
#16
A Fahrleitner-Pammer, N Papaioannou, E Gielen, M Feudjo Tepie, C Toffis, I Frieling, P Geusens, P Makras, E Boschitsch, J Callens, A D Anastasilakis, C Niedhart, H Resch, L Kalouche-Khalil, P Hadji
Persistence with osteoporosis therapy is vital for fracture prevention. This non-interventional study of postmenopausal women receiving denosumab in Germany, Austria, Greece, and Belgium found that persistence with denosumab remains consistently high after 24 months in patients at high risk of fracture. PURPOSE: Continued persistence with osteoporosis therapy is vital for fracture prevention. This non-interventional study of clinical practice evaluated medication-taking behavior of postmenopausal women receiving denosumab in Germany, Austria, Greece, and Belgium and factors influencing persistence...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28643232/caffeine-protects-against-anticonvulsant-induced-neurotoxicity-in-the-developing-rat-brain
#17
Stefanie Endesfelder, Ulrike Weichelt, Cornelia Schiller, Marco Sifringer, Ivo Bendix, Christoph Bührer
Phenobarbital is the most commonly used drug for the treatment of neonatal seizures but may induce neurodegeneration in the developing brain. Methylxanthine caffeine is used for the treatment of apnea in newborn infants and appears to be neuroprotective, as shown by antiapoptotic and anti-inflammatory effects in oxidative stress models in newborn rodents and reduced rates of cerebral palsy in human infants treated with caffeine. We hypothesized that caffeine may counteract the proapoptotic effects of phenobarbital in newborn rats...
June 22, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28642867/evaluation-of-the-effect-of-a-single-intra-articular-injection-of-allogeneic-neonatal-mesenchymal-stromal-cells-compared-to-oral-non-steroidal-anti-inflammatory-treatment-on-the-postoperative-musculoskeletal-status-and-gait-of-dogs-over-a-6-month-period-after
#18
Mathieu Taroni, Quentin Cabon, Marine Fèbre, Thibaut Cachon, Nathalie Saulnier, Claude Carozzo, Stéphane Maddens, Fabrice Labadie, Clément Robert, Eric Viguier
OBJECTIVE: Compare the clinical and pressure walkway gait evolution of dogs after a tibial plateau leveling osteotomy (TPLO) for a cranial cruciate ligament rupture (CrCLR) and treatment with either a 1-month course of non-steroidal anti-inflammatory drugs (NSAIDs) or a single postoperative intra-articular (IA) injection of allogeneic neonatal mesenchymal stromal cells (MSCs). STUDY DESIGN: Prospective, double-blinded, randomized, controlled, monocentric clinical study...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28642068/chloramphenicol-decreases-cb1-receptor-expression-in-the-nucleus-accumbens-and-prefrontal-cortex-and-prevents-amphetamine-induced-conditioned-place-preference-in-rats
#19
Octavio Amancio-Belmont, Diego Pérez-Vázquez, Alejandra E Ruiz-Contreras, Miguel Pérez de la Mora, Pavel E Rueda-Orozco, Mónica Méndez-Díaz, Oscar E Prospero-Garcia
Drug dependence seems to involve a learning and memory process. Since learning and memory depend on protein synthesis, drug dependence may depend on protein synthesis, too. Drug-induced reward is a crucial effect for the development of drug-dependence. We used chloramphenicol (CAP, a protein synthesis inhibitor), to evaluate its effects on amphetamine (amph)-seeking behavior, on CB1R expression and on protein synthesis in general, in specific areas of the brain. Two groups of Wistar adult male rats were subjected to amph-induced conditioned place preference (CPP)...
June 19, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28641484/protective-effect-of-hesperetin-against-haloperidol-induced-orofacial-dyskinesia-and-catalepsy-in-rats
#20
Dinesh Dhingra, Shikha Goswami, Nidhi Gahalain
OBJECTIVES: The present study was designed to evaluate the effect of hesperetin on haloperidol-induced orofacial dyskinesia and catalepsy in Wistar male albino rats. METHODS: Haloperidol (1 mg/kg, ip) was administered for 21 successive days to induce orofacial dyskinesia and catalepsy. Hesperetin (50 and 100 mg/kg, po) was administered 10 min prior to the injection of haloperidol for 21 successive days. Vacuous chewing movements (VCMs), tongue protrusions, catalepsy, and locomotor activity scores were recorded on 7th, 14th, and 22nd day of drug treatment...
June 22, 2017: Nutritional Neuroscience
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