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https://www.readbyqxmd.com/read/29291202/taeniasis-a-possible-cause-of-ileal-bleeding
#1
Alessia Settesoldi, Alessandro Tozzi, Ottaviano Tarantino
Taenia spp. are flatworms of the class Cestoda, whose definitive hosts are humans and primates. Human infestation (taeniasis) results from the ingestion of raw meat contaminated with encysted larval tapeworms and is considered relatively harmless and mostly asymptomatic. Anemia is not recognized as a possible sign of taeniasis and taeniasis-induced hemorrhage is not described in medical books. Its therapy is based on anthelmintics such praziquantel, niclosamide or albendazole. Here we describe a case of acute ileal bleeding in an Italian man affected with both Taenia spp...
December 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29291056/niclosamide-loaded-biodegradable-chitosan-nanocargoes-an-in-vitro-study-for-potential-application-in-cancer-therapy
#2
Saba Naqvi, Shanid Mohiyuddin, P Gopinath
Chitosan nanoparticles can advance the pharmacological and therapeutic properties of chemotherapeutic agents by controlling release rates and targeted delivery process, which eliminates the limitations of conventional anti-cancer therapies and they are also safe as well as cost-effective. The aim of present study is to explore the anti-tumour effect of niclosamide in lung and breast cancer cell lines using biocompatible and biodegradable carrier where nanoparticles loaded with hydrophobic drug (niclosamide) were synthesized, characterized and applied as a stable anti-cancer agent...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29278854/overexpression-of-alk4-inhibits-cell-proliferation-and-migration-through-the-inactivation-of-jak-stat3-signaling-pathway-in-glioma
#3
Chaojun Song, Bo Fan, Zhengzheng Xiao
Aristaless-like homeobox 4 (ALK4) is a member of ALK proteins family and plays an important role in tumorigenesis. However, the expression and function of ALK4 in glioma remain largely unknown. The aim of our study was to elucidate its expression pattern in human glioma tissues and cell lines, as well as its functions in glioma cells. Our results demonstrated that ALK4 was lowly expressed in human glioma tissues and cell lines. Additionally, overexpression of ALK4 significantly suppressed the proliferation, migration and invasion of glioma cells, as well as inhibited the epithelial-mesenchymal transition (EMT) phenotype in glioma cells...
December 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29251334/niclosamide-acts-as-a-new-inhibitor-of-vasculogenic-mimicry-in-oral-cancer-through-upregulation-of-mir-124-and-downregulation-of-stat3
#4
Xiaoxu Li, Zhicheng Yang, Zewen Han, Yanhui Wen, Zeyun Ma, Yixiang Wang
Tumors require nutrients and oxygen for growth and metastasis. Vasculogenic mimicry (VM) has been found as a new manner of blood supply, which is characterized as the formation of tumor cell-lined vessels instead of endothelial vessels. This is why angiogenesis agents targeted to endothelial cells show a limited efficacy. Up to this point, there is no effective drug reported for inhibiting VM formation. Niclosamide is an oral anti-helminthic drug used to treat human tapeworms. Recent studies have indicated that niclosamide has broad applications for cancer and other diseases...
February 2018: Oncology Reports
https://www.readbyqxmd.com/read/29226533/the-anthelmintic-drug-niclosamide-and-its-analogues-activate-the-parkinson-s-disease-associated-protein-kinase-pink1
#5
Erica Barini, Ageo Miccoli, Federico Tinarelli, Katie Mulholand, Hachemi Kadri, Farhat Khanim, Laste Stojanovski, Kevin D Read, Kerry Burness, Julian J Blow, Youcef Mehellou, Miratul Muqit
Mutations in PINK1, which impair its catalytic kinase activity, are causal for autosomal recessive early onset Parkinson's disease (PD). Various studies have indicated that the activation of PINK1 could be a useful strategy in treating neurodegenerative diseases such as PD. Herein, we show that the anthelmintic drug niclosamide and its analogues are capable of activating PINK1 in cells via reversible impairment of the mitochondrial membrane potential. Using these compounds, we demonstrate for the first time that the PINK1 pathway is active and detectable in primary neurons...
December 10, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/29197655/multiplexed-approaches-correlating-mitochondrial-health-to-cell-health-using-microcapillary-cytometry
#6
Katherine Gillis, Julie Clor, Asima Khan, Kamala Tyagarajan
Mitochondria are critical cellular organelles that play a fundamental role in cellular metabolism and oxidative stress and are well known to trigger multiple cell death pathways. The study of sequence of mitochondrial events as it relates to apoptotic/cell death events can provide critical insights into mechanism of cellular homeostasis, stress and death. Availability of rapid and simplified cytometric testing methods for evaluating mitochondrial changes, apoptosis and cell death in parallel can greatly enhance our understanding of mechanism of compound action...
November 29, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29196196/molluscicidal-activity-of-manilkara-subsericea-mart-dubard-on-biomphalaria-glabrata-say-1818
#7
Robson Xavier Faria, Leandro Machado Rocha, Eloísa Portugal Barros Silva Soares Souza, Fernanda Borges Almeida, Caio Pinho Fernandes, José Augusto Albuquerque Santos
Schistosomiasis is promoted for species from Schistosoma genus affecting over 200 million people worldwide. Molluscicides are an efficient method to control this disease, being able to reduce intermediate host snail Biomphalaria glabrata number. In function of resistance cases using niclosamide, natural products are promisors to discover new drugs. Manilkara subsericea is endemic to Brazilian sandbanks of Rio de Janeiro State and wide ranges of biological activities. However, there is no studies evaluating its effects as molluscicidal agent...
November 30, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29113805/octenylsuccinate-hydroxypropyl-phytoglycogen-enhances-the-solubility-and-in-vitro-antitumor-efficacy-of-niclosamide
#8
Ying Xie, Yuan Yao
Niclosamide is a promising antitumor agent, but its low aqueous solubility places limit on its antitumor efficacy. The aim of this study was to improve the solubility and dissolution of niclosamide through using octenylsuccinate hydroxypropyl phytoglycogen (OHPP), an amphiphilic dendrimer-like biopolymer. The niclosamide-OHPP solid dispersion (niclo-OHPP SD) was prepared and characterized in terms of crystallinity, molecular interactions, solubility and dissolution profile, in-vitro antitumor efficacy, and in-vitro transdermal amount...
November 4, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29113501/fabrication-of-niclosamide-loaded-solid-lipid-nanoparticles-in-vitro-characterization-and-comparative-in-vivo-evaluation
#9
Maqsood Ur Rehman, Mir Azam Khan, Waheed S Khan, Muhammad Shafique, Munasib Khan
Niclosamide (NCS) is an oral anthelminthic drug having low solubility and hence low bioavailability. Current investigation shows an approach to fabricate solid lipid nanoparticles (SLNs) of NCS and evaluated for pharmaceutical, in vitro and in vivo characterization. NFM-3 showed particle size 204.2 ± 2.2 nm, polydispersity index 0.328 ± 0.02 and zeta potential -33.16 ± 2 mV. Entrapment efficiency and drug loading capacity were 84.4 ± 0.02% and 5.27 ± 0.03%, respectively. Scanning electron microscopy image indicated that particles were nanoranged...
November 7, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29046937/field-evaluation-of-a-novel-molluscicide-niclosamidate-against-oncomelania-hupensis-intermediate-host-of-schistosoma-japonicum
#10
Weisi Wang, Xia Zhang, Huaming Zhang, Hehua Hu, Shizhu Li, Xiong Liu, Liping Duan
The molluscicidal activity of a novel molluscicide (niclosamidate) was evaluated in field trials against Oncomelania hupensis, the intermediate host of Schistosoma japonicum. The environmental safety of niclosamidate for local fishes was also studied under field conditions. The results showed that, at the dosages of 8.0 g/m(2) and 4.0 g/m(3), niclosamidate exhibits highly potent molluscicidal activity in the spraying and immersion trials, resulting in mortality rates of up to 81.8 and 72.7%, respectively...
December 2017: Parasitology Research
https://www.readbyqxmd.com/read/29031202/targeting-of-cell-cycle-and-let-7a-stat3-pathway-by-niclosamide-inhibits-proliferation-migration-and-invasion-in-oral-squamous-cell-carcinoma-cells
#11
Xiaoxu Li, Ruiyu Ding, Zewen Han, Zeyun Ma, Yixiang Wang
The low median survival rate of oral squamous cell carcinoma (OSCC) is associated with chemotherapeutic resistance. Niclosamide is an oral anti-helminthic drug, its anti-cancer effect has been reported in recent years. However, the effect of niclosamide on OSCC remains largely unknown. In this study, we, for the first time, investigated the underlying mechanisms from cell cycle arrest and let-7a/STAT3 axis through CCK-8, cell cycle, apoptosis, wound healing, Transwell invasion, generation of stable cell line, real-time PCR, and western blot assays using two OSCC cell lines WSU-HN6 and Tca83...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28978032/vitamin-c-and-doxycycline-a-synthetic-lethal-combination-therapy-targeting-metabolic-flexibility-in-cancer-stem-cells-cscs
#12
Ernestina Marianna De Francesco, Gloria Bonuccelli, Marcello Maggiolini, Federica Sotgia, Michael P Lisanti
Here, we developed a new synthetic lethal strategy for further optimizing the eradication of cancer stem cells (CSCs). Briefly, we show that chronic treatment with the FDA-approved antibiotic Doxycycline effectively reduces cellular respiration, by targeting mitochondrial protein translation. The expression of four mitochondrial DNA encoded proteins (MT-ND3, MT-CO2, MT-ATP6 and MT-ATP8) is suppressed, by up to 35-fold. This high selection pressure metabolically synchronizes the surviving cancer cell sub-population towards a predominantly glycolytic phenotype, resulting in metabolic inflexibility...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28969776/the-efficacy-of-the-supramolecular-complexes-of-niclosamide-obtained-by-mechanochemical-technology-and-targeted-delivery-against-cestode-infection-of-animals
#13
Ivan A Arkhipov, Konstantin M Sadov, Yulia V Limova, Alexandra K Sadova, Anastasiya I Varlamova, Salavat S Khalikov, Alexandr V Dushkin, Yulia S Chistyachenko
Niclosamide is an anthelmintic that is widely used to treat cestode infection of animals. The efficacy of the supramolecular complexes of niclosamide obtained by mechanochemical technology and targeted delivery was studied in hymenolepiosis of mice and monieziosis of sheep. The efficacy of new substances of niclosamide with polyvinylpyrrolidone polymer in different ratios (1:10; 1:5; 1:2) was determined by the results of helminthological necropsy of the small intestine of sheep and mice. Pre-treatment eggs per gram (EPG) were not significantly different (P>0...
November 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28903339/ing5-knockdown-enhances-migration-and-invasion-of-lung-cancer-cells-by-inducing-emt-via-egfr-pi3k-akt-and-il-6-stat3-signaling-pathways
#14
Xin-Li Liu, Xu-Tao Zhang, Jin Meng, Hong-Fei Zhang, Yong Zhao, Chen Li, Yang Sun, Qi-Bing Mei, Feng Zhang, Tao Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family, whose functions have been involved in the regulation of chromatin remodeling, cell cycle progression, proliferation and apoptosis. Our previous study has shown that ING5 overexpression inhibits lung cancer aggressiveness via suppressing epithelial to mesenchymal transition (EMT). However, the mechanisms remain largely unknown. In the current study, by Phospho-Kinase array and western blot, we have defined significantly upregulated EGFR/PI3K/Akt and IL-6/STAT3 oncogenic signaling pathways in ING5 knockdown A549 cells, which could be downregulated by ING5 overexpression...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877265/niclosamide-induces-protein-ubiquitination-and-inhibits-multiple-pro-survival-signaling-pathways-in-the-human-glioblastoma-u-87-mg-cell-line
#15
Benxu Cheng, Liza Doreen Morales, Yonghong Zhang, Shizue Mito, Andrew Tsin
Glioblastoma is the most common and lethal malignant primary brain tumor for which the development of efficacious chemotherapeutic agents remains an urgent need. The anti-helminthic drug niclosamide, which has long been in use to treat tapeworm infections, has recently attracted renewed interest due to its apparent anticancer effects in a variety of in vitro and in vivo cancer models. However, the mechanism(s) of action remains to be elucidated. In the present study, we found that niclosamide induced cell toxicity in human glioblastoma cells corresponding with increased protein ubiquitination, ER stress and autophagy...
2017: PloS One
https://www.readbyqxmd.com/read/28861168/inhibition-of-wnt-%C3%AE-catenin-by-anthelmintic-drug-niclosamide-effectively-targets-growth-survival-and-angiogenesis-of-retinoblastoma
#16
Zhi Li, Qin Li, Genguo Wang, Yi Huang, Xiaochun Mao, Yanfang Zhang, Xueyan Wang
Retinoblastoma is an angiogenesis-dependent ocular tumor, the clinical management of which remains a challenge. Agents that can target tumor cells and angiogenesis, as well as augment current chemotherapy efficacy, present a promising therapeutic strategy for retinoblastoma. We demonstrated that niclosamide, an FDA-approved anthelmintic drug, is effective against multiple aspects of retinoblastoma. Niclosamide inhibited proliferation via causing cell cycle arrest at the G2/M phase and induced caspase-dependent apoptosis in a panel of retinoblastoma cell lines, including Y79, RB116, and WERI-Rb-1...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28828438/niclosamide-conjugated-polypeptide-nanoparticles-inhibit-wnt-signaling-and-colon-cancer-growth
#17
Jayanta Bhattacharyya, Xiu-Rong Ren, Robert A Mook, Jiangbo Wang, Ivan Spasojevic, Richard T Premont, Xinghai Li, Ashutosh Chilkoti, Wei Chen
Abnormal Wnt activity is a major mechanism responsible for many diseases, including cancer. Previously, we reported that the anthelmintic drug Niclosamide (NIC) inhibits Wnt/β-catenin signaling and suppresses colon cancer cell growth. Although the pharmacokinetic properties of NIC are appropriate for use as an anthelmintic agent, its low solubility, low bioavailability and low systemic exposure limit its usefulness in treating systemic diseases. To overcome these limitations, we conjugated NIC to recombinant chimeric polypeptides (CPs), and the CP-NIC conjugate spontaneously self-assembled into sub-100 nm near-monodisperse nanoparticles...
August 31, 2017: Nanoscale
https://www.readbyqxmd.com/read/28813646/antihelminthic-drug-niclosamide-inhibits-cip2a-and-reactivates-tumor-suppressor-protein-phosphatase-2a-in-non-small-cell-lung-cancer-cells
#18
Myeong-Ok Kim, Min Ho Choe, Yi Na Yoon, Jiyeon Ahn, Minjin Yoo, Kwan-Young Jung, Sungkwan An, Sang-Gu Hwang, Jeong Su Oh, Jae-Sung Kim
Protein phosphatase 2A (PP2A) is a critical tumor suppressor complex responsible for the inactivation of various oncogenes. Recently, PP2A reactivation has emerged asan anticancer strategy. Cancerous inhibitor of protein phosphatase 2A (CIP2A), an endogenous inhibitor of PP2A, is upregulated in many cancer cells, including non-small cell lung cancer (NSCLC) cells. We demonstrated that the antihelminthic drug niclosamide inhibited the expression of CIP2A and reactivated the tumor suppressor PP2A in NSCLC cells...
November 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28793917/molluscicidal-activity-and-mechanism-of-toxicity-of-a-novel-salicylanilide-ester-derivative-against-biomphalaria-species
#19
Ping He, Weisi Wang, Benjamin Sanogo, Xin Zeng, Xi Sun, Zhiyue Lv, Dongjuan Yuan, Liping Duan, Zhongdao Wu
BACKGROUND: Schistosomiasis mansoni is one of the most important, but often neglected, tropical diseases transmitted by snails of the genus Biomphalaria. Control of the intermediate host snail plays a crucial role in preventing the spread of schistosomiasis. However, there is only one molluscicide, niclosamide, recommended by the World Health Organization. Niclosamide has been used for several decades but is toxic to non-target organisms. Therefore, it is necessary to optimize the scaffold of niclosamide and develop novel molluscicides with enhanced potency and decreased toxicity to non-target organisms...
August 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28780747/niclosamide-piperazine-prevents-high-fat-diet-induced-obesity-and-diabetic-symptoms-in-mice
#20
Jingjing Guo, Hanlin Tao, Amer Alasadi, Qingrong Huang, Shengkan Jin
PURPOSE: Obesity and type 2 diabetes (T2D) have become the major public health challenges globally. Mitochondrial uncoupling, which reduces intracellular lipid loads and corrects the underlying cause of insulin resistance, has emerged as a promising anti-obese and anti-diabetic intervention. Niclosamide is an anthelmintic drug approved by the US FDA with the mechanism of action that uncouples mitochondria of parasitic worms. Recently, niclosamide ethanolamine salt (NEN) was found to be a safe and effective hepatic mitochondrial uncoupler for the prevention and treatment of obesity and T2D in mouse models...
August 5, 2017: Eating and Weight Disorders: EWD
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