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https://www.readbyqxmd.com/read/28548953/from-rapalogs-to-anti-aging-formula
#1
Mikhail V Blagosklonny
Inhibitors of mTOR, including clinically available rapalogs such as rapamycin (Sirolimus) and Everolimus, are gerosuppressants, which suppress cellular senescence. Rapamycin slows aging and extends life span in a variety of species from worm to mammals. Rapalogs can prevent age-related diseases, including cancer, atherosclerosis, obesity, neurodegeneration and retinopathy and potentially rejuvenate stem cells, immunity and metabolism. Here, I further suggest how rapamycin can be combined with metformin, inhibitors of angiotensin II signaling (Losartan, Lisinopril), statins (simvastatin, atorvastatin), propranolol, aspirin and a PDE5 inhibitor...
May 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548834/subtly-modulating-glycogen-synthase-kinase-3-%C3%AE-allosteric-inhibitors-development-and-their-potential-for-the-treatment-of-chronic-diseases
#2
Valle Palomo, Daniel I Pérez, Carlos Roca, Cara Anderson, Natalia Rodriguez-Muela, Concepción Pérez, Jose A Morales-Garcia, Julio A Reyes, Nuria E Campillo, Ana M Pérez-Castillo, Lee L Rubin, Lubov T Timchenko, Carmen Gil, Ana Martínez
Glycogen synthase kinase 3 β (GSK-3β) is a central target in several unmet diseases. To increase the specificity of GSK-3β inhibitors in chronic treatments we are developing small molecules allowing subtle modulation of GSK-3β activity. Design synthesis, structure-activity relationships and binding mode of quinoline-3-carbohydrazide derivatives as allosteric modulators of GSK-3β are here presented. Furthermore, we show how allosteric binders may overcome the β-catenin side effects associated to strong GSK-3β inhibition...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28548561/effect-of-honey-and-royal-jelly-against-cisplatin-induced-nephrotoxicity-in-patients-with-cancer
#3
Hasnaa Osama, Aya Abdullah, Bassma Gamal, Dina Emad, Doha Sayed, Eman Hussein, Eman Mahfouz, Joy Tharwat, Sally Sayed, Shrouk Medhat, Treza Bahaa, Mohamed E A Abdelrahim
OBJECTIVES: Cisplatin constitutes one of the most potent antineoplastic drugs; however, nephrotoxicity limited its eligibility for optimal clinical use. This study was designed to evaluate the role of honey and royal jelly with antioxidant properties in the protection of cisplatin-induced acute kidney injury in patients with cancer. METHODS: Patients with cancer assigned for cisplatin chemotherapy were randomly divided into bee honey and royal jelly groups pretreated before the initiation and during cisplatin chemotherapeutic regimen and control group on cisplatin only...
May 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28547805/quality-and-impact-of-eviq-cancer-treatments-online-www-eviq-org-au-the-medical-oncologist-s-perspective
#4
Lydia P Y Loke, Tina Y T Chen, Craig R Lewis, Robyn L Ward, Shelley A Rushton, Jeremy D Shapiro
INTRODUCTION: eviQ Cancer Treatments Online is a free, web-based resource providing access to over 600 evidence-based treatment protocols in medical oncology, radiation oncology, hematology and cancer genetics. With over 60 000 registrants from 148 countries, eviQ is widely used by cancer clinicians globally. The aim of this study was to examine the perceived quality of eviQ by Australian medical oncologists, the impact it had on their knowledge and practice, and the effect it had on their patients...
May 25, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28547521/validation-of-the-cingulate-island-sign-with-optimized-ratios-for-discriminating-dementia-with-lewy-bodies-from-alzheimer-s-disease-using-brain-perfusion-spect
#5
Etsuko Imabayashi, Tsutomu Soma, Daichi Sone, Tadashi Tsukamoto, Yukio Kimura, Noriko Sato, Miho Murata, Hiroshi Matsuda
OBJECTIVE: Dementia with Lewy bodies (DLB) is often cited as the second most common dementia after Alzheimer's disease (AD). It is clinically important to distinguish DLB from AD because specific side effects of antipsychotic drugs are limited to DLB. The relative preservation of cingulate glucose metabolism in the posterior cingulate gyri versus that in the precuni, known as the cingulate island sign (CIS), in patients with DLB compared with AD is supposed to be highly specific for diagnosing DLB...
May 25, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28546337/pet-guided-evaluation-and-optimization-of-internalized-antibody-drug-conjugates-targeting-erythropoietin-producing-hepatoma-a2-receptor
#6
Orit Jacobson, Haojun Chen, Gang Niu, Dale O Kiesewetter, Qing Li, Gengcheng Yang, Kimberly Cook, Lan Xu, William Dall'Acqua, Ping Tsui, Li Peng, Xiaoyuan Chen
The erythropoietin producing hepatoma A2 receptor (EphA2) is a tyrosine kinase overexpressed by tumor stroma and cancer cells. High expression level of EphA2 predicts poor prognosis, correlating with disease progression and metastasis. Therefore, EphA2 is a relevant therapeutic target for human cancer. Antibodies, selectively bound to EphA2 receptor, can induce rapid receptor phosphorylation that results in antibody internalization and degradation. This internalization mechanism has been exploited with the development of antibody-drug conjugates (ADC) for cancer chemotherapy...
May 25, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28546107/intestinal-toxicity-evaluation-of-long-circulating-and-ph-sensitive-liposomes-loaded-with-cisplatin
#7
Raquel Silva Araújo, Ana Letícia Malheiros Silveira, Éricka Lorenna de Sales E Souza, Rachel Horta Freire, Cristina Maria de Souza, Diego Carlos Reis, Bruno Rocha Cordeiro Costa, Michelle Amantéa Sugimoto, Josianne Nicácio Silveira, Flaviano Dos Santos Martins, Geovanni Dantas Cassali, Jacqueline Isaura Alvarez Leite, Lirlândia Pires Sousa, Adaliene Versiani Matos Ferreira, Mônica Cristina Oliveira, Valbert Nascimento Cardoso
Cisplatin (CDDP) is a chemotherapeutic agent widely used in several anticancer protocols for instance head and neck, testicle, ovarian, lung and peritoneal carcinomatosis. According to the literature, the use of CDDP is associated with several side effects; among them, we highlighted the mucositis. CDDP, when administered by IP, promoted significant intestinal epithelium alterations in an experimental model. Our research group has proposed that the incorporation of CDDP into long-circulating and pH-sensitive liposomes (SpHL-CDDP) could help to overcome some side effects induced by this drug...
May 22, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28546077/systemic-administration-of-l-kynurenine-sulfate-induces-cerebral-hypoperfusion-transients-in-adult-c57bl-6-mice
#8
Dániel Péter Varga, Ákos Menyhárt, Tamás Puskás, Ferenc Bari, Eszter Farkas, Zsolt Kis, László Vécsei, József Toldi, Levente Gellért
The kynurenine pathway is a cascade of enzymatic steps generating biologically active compounds. l-kynurenine (l-KYN) is a central metabolite of tryptophan degradation. In the mammalian brain, l-KYN is partly converted to kynurenic acid (KYNA), which exerts multiple effects on neurotransmission. Recently, l-KYN or one of its derivatives were attributed a direct role in the regulation of the systemic circulation. l-KYN dilates arterial blood vessels during sepsis in rats, while it increases cerebral blood flow (CBF) in awake rabbits...
May 22, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28545907/impact-of-chemotherapy-on-gastrointestinal-functions-and-the-enteric-nervous-system
#9
REVIEW
Jonathan Escalante, Rachel M McQuade, Vanesa Stojanovska, Kulmira Nurgali
Chemotherapy is the main treatment for many cancers, including colorectal cancer, a type of cancer with some of the highest prevalence and mortality rates worldwide. Although chemotherapeutic drugs have greatly improved the survival rates of cancer patients, there are many side-effects associated with their use. The gastrointestinal side-effects of chemotherapy often lead to dose reduction or even discontinuation of treatment, which in turn affects the clinical outcome. Gastrointestinal side-effects, such as chemotherapy-induced diarrhea and constipation, may persist many years after treatment, greatly reducing quality of life...
May 10, 2017: Maturitas
https://www.readbyqxmd.com/read/28545888/delivering-safer-immunotherapies-for-cancer
#10
Lauren Milling, Yuan Zhang, Darrell J Irvine
Cancer immunotherapy is now a powerful clinical reality, with a steady progression of new drug approvals and a massive pipeline of additional treatments in clinical and preclinical development. However, modulation of the immune system can be a double-edged sword: Drugs that activate immune effectors are prone to serious non-specific systemic inflammation and autoimmune side effects. Drug delivery technologies have an important role to play in harnessing the power of immune therapeutics while avoiding on-target/off-tumor toxicities...
May 22, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28545372/lectin-carbohydrate-interactions-implications-for-the-development-of-new-anticancer-agents
#11
Evellyne de Oliveira Figueirôa, Cassia Regina Albuquerque da Cunha, Priscilla B S Albuquerque, Raiana Apolinário de Paula, Mary Ângela Aranda-Souza, Matheus Alves da Silva, Adrielle Zagmignan, Maria G Carneiro-da-Cunha, Luís Cláudio Nascimento da Silva, Maria Tereza Dos Santos Correia
Lectins are a large group of proteins found in animals, plants, fungi, and bacteria that recognize specific carbohydrate targets and play an important role in cell recognition and communication, host-pathogen interactions, embryogenesis, and tissue development. Recently, lectins have emerged as important biomedical tools that have been used in the development of immunomodulatory, antipathogenic, and anticancer agents. Several lectins have been shown to have the ability to discriminate between normal cells and tumor cells as a result of their different glycosylation patterns...
May 22, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28545356/drug-delivery-systems-for-anti-cancer-active-complexes-of-some-coinage-metals
#12
Ming Zhang, Camille Saint-Germain, Guiling He, Raymond Wai-Yin Sun
Although cisplatin and a number of platinum complexes have widely been used for the treatment of neoplasia, patients receiving these treatments have frequently suffered from their severe toxic side effects, the development of resistance with consequent relapse. In the recent decades, numerous complexes of coinage metals including that of gold, copper and silver have been reported to display promising in vitro and/or in vivo anti-cancer activities as well as potent activities towards cisplatin-resistant tumors...
May 11, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28545189/outcomes-of-a-randomized-controlled-trial-comparing-modified-high-dose-omeprazole-and-amoxicillin-triple-therapy-with-standard-triple-therapy-for-helicobacter-pylori-eradication
#13
Kitti Chunlertlith, Uaepong Limpapanasit, Pisaln Mairiang, Suda Vannaprasaht, Wichittra Tassaneeyakul, Apichat Sangchan, Kookwan Sawadpanich, Tanita Suttichaimongkol, Jamrus Pongpit, Moragot Pattarapongsin
Background: Helicobacter pylori (H. pylori) infection is related to peptic ulcer diseases and gastric cancer and eradication of H. pylori should be expected to decrease the risk of their development. Factors affecting H. pylori eradication are antibiotic resistance, CYP2C19 genotypes, drug regimen and patient compliance. Increment of omeprazole and amoxicillin dosage in clarithromycin-containing triple therapy regimen may overcome these problems and may be a better choice than the conventional clarithromycin-containing triple therapy regimen...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545082/clinical-endoscopic-management-and-outcome-of-post-endoscopic-sphincterotomy-bleeding
#14
Wei-Chen Lin, Hsaing-Hung Lin, Chien-Yuan Hung, Shou-Chuan Shih, Cheng-Hsin Chu
Post-endoscopic sphincterotomy bleeding is a common complication of biliary sphincterotomy, and the incidence varies from 1% to 48%. It can be challenging to localize the bleeder or to administer various interventions through a side-viewing endoscope. This study aimed to evaluate the risk factors of post-endoscopic sphincterotomy bleeding and the outcome of endoscopic intervention therapies. We retrospectively reviewed the records of 513 patients who underwent biliary sphincterotomy in Mackay Memorial Hospital between 2011 and 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28544981/synthesis-and-in%C3%A2-vitro-evaluation-of-new-fluorinated-quinoline-derivatives-with-high-affinity-for-pde5-towards-the-development-of-new-pet-neuroimaging-probes
#15
Jianrong Liu, Aurélie Maisonial-Besset, Barbara Wenzel, Damien Canitrot, Ariane Baufond, Jean-Michel Chezal, Peter Brust, Emmanuel Moreau
The increasing incidence of Alzheimer's disease (AD) worldwide is a major public health problem. Current treatments provide only palliative solutions with significant side effects. Therefore, new efficient treatment options and novel early diagnosis tools are urgently needed. Recently, strong pre-clinical evidences suggested that phosphodiesterase 5 (PDE5) may be clinically relevant both as biomarker and drug-target in AD. In this study, we intended to develop a new radiofluorinated tracer for the visualisation of PDE5 in brain using PET imaging...
April 19, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28544801/nanotherapeutic-systems-for-local-treatment-of-brain-tumors
#16
REVIEW
Rami Walid Chakroun, Pengcheng Zhang, Ran Lin, Paula Schiapparelli, Alfredo Quinones-Hinojosa, Honggang Cui
Malignant brain tumor, including the most common type glioblastoma, are histologically heterogeneous and invasive tumors known as the most devastating neoplasms with high morbidity and mortality. Despite multimodal treatment including surgery, radiotherapy, chemotherapy, and immunotherapy, the disease inevitably recurs and is fatal. This lack of curative options has motivated researchers to explore new treatment strategies and to develop new drug delivery systems (DDSs); however, the unique anatomical, physiological, and pathological features of brain tumors greatly limit the effectiveness of conventional chemotherapy...
May 24, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28544287/fast-clearable-nanocarriers-conducting-chemo-photothermal-combination-therapy-to-inhibit-recurrence-of-malignant-tumors
#17
Lingzhi Zhao, Wei Yuan, Huijun Phoebe Tham, Hongzhong Chen, Pengyao Xing, Huijing Xiang, Xin Yao, Xiaochen Qiu, Yu Dai, Liangliang Zhu, Fuyou Li, Yanli Zhao
Inhomogeneous heating by photothermal therapy (PTT) during cancer treatment often results in the recurrence of tumors. Thus, integrating PTT with chemotherapy (CHT) may provide a complementary treatment for enhanced therapeutic efficiency. Herein, this study develops a hollow structured polymer-silica nanohybrid (HPSN) as a nanocarrier to simultaneously deliver the anticancer drug paclitaxel and photothermal agent palladium phthalocyanine to tumors through enhanced permeation and the retention effect. A combinational CHT/PTT therapy on mice bearing aggressive tumor grafts is conducted...
May 24, 2017: Small
https://www.readbyqxmd.com/read/28543443/structural-review-of-ppar%C3%AE-in-complex-with-ligands-cartesian-and-dihedral-angle-principal-component-analyses-of-x-ray-crystallographic-data
#18
Åsmund Kaupang, Tuomo Laitinen, Antti Poso, Trond Vidar Hansen
Two decades of research into the ligand-dependent modulation of the activity of the peroxisome proliferator-activated receptor γ (PPARγ) have demonstrated the heterogeneous modes of action of PPARγ ligands, in terms of their interaction surfaces in the ligand-binding pocket, binding stoichiometry and ability to interact with functionally important parts of the receptor, through both direct and allosteric mechanisms. These findings signal the complex mechanistic bases of the distinct biological effects of different classes of PPARγ ligands...
May 24, 2017: Proteins
https://www.readbyqxmd.com/read/28541926/addition-of-omega-3-fatty-acid-and-coenzyme-q10-to-statin-therapy-in-patients-with-combined-dyslipidemia
#19
Štefan Tóth, Matej Šajty, Tímea Pekárová, Adil Mughees, Peter Štefanič, Matan Katz, Katarína Spišáková, Jozef Pella, Daniel Pella
BACKGROUND: Statins represent a group of drugs that are currently indicated in the primary and secondary prevention of cardiovascular events. Their administration can be associated with side effects and the insufficient reduction of triacylglyceride (TAG) levels. This study aimed to assess the effect of the triple combination of statins with omega-3 fatty acids and coenzyme Q10 (CoQ10) on parameters associated with atherogenesis and statin side effects. MATERIALS AND METHODS: In this pilot randomized double-blind trial, 105 subjects who met the criteria of combined dislipidemia and elevated TAG levels were randomly divided into three groups...
May 23, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28541601/the-approach-to-coronary-bifurcation-treatment-and-its-outcomes-in-poland-the-single-center-experience
#20
Adam Kern, Robert J Gil, Krystian Bojko, Bartłomiej Rzeszowski, Rakesh Jalali, Jerzy Górny, Jacek Bil
BACKGROUND: Coronary bifurcation lesions pose therapeutic problems during percutaneous coronary interventions. The aim of this study was to analyze the strategy of coronary bifurcation treatment and associated angiographic as well as clinical outcomes in a large hospital in Northern Poland. METHODS: Between January 2012 and January 2014 patients with stable coronary artery disease or non-ST-elevation acute coronary syndrome (NSTE-ACS) were treated with regular drug-eluting stents (rDES) or dedicated bifurcation stents (BiOSS Expert® or BiOSS LIM®)...
May 25, 2017: Cardiology Journal
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