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https://www.readbyqxmd.com/read/29036683/cr2cancer-a-database-for-chromatin-regulators-in-human-cancer
#1
Beibei Ru, Jianlong Sun, Yin Tong, Ching Ngar Wong, Aditi Chandra, Acacia Tsz So Tang, Larry Ka Yue Chow, Wai Lam Wun, Zarina Levitskaya, Jiangwen Zhang
Chromatin regulators (CRs) can dynamically modulate chromatin architecture to epigenetically regulate gene expression in response to intrinsic and extrinsic signalling cues. Somatic alterations or misexpression of CRs might reprogram the epigenomic landscape of chromatin, which in turn lead to a wide range of common diseases, notably cancer. Here, we present CR2Cancer, a comprehensive annotation and visualization database for CRs in human cancer constructed by high throughput data analysis and literature mining...
October 3, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29036351/mirandola-2017-a-curated-knowledge-base-of-non-invasive-biomarkers
#2
Francesco Russo, Sebastiano Di Bella, Federica Vannini, Gabriele Berti, Flavia Scoyni, Helen V Cook, Alberto Santos, Giovanni Nigita, Vincenzo Bonnici, Alessandro Laganà, Filippo Geraci, Alfredo Pulvirenti, Rosalba Giugno, Federico De Masi, Kirstine Belling, Lars J Jensen, S Ren Brunak, Marco Pellegrini, Alfredo Ferro
miRandola (http://mirandola.iit.cnr.it/) is a database of extracellular non-coding RNAs (ncRNAs) that was initially published in 2012, foreseeing the relevance of ncRNAs as non-invasive biomarkers. An increasing amount of experimental evidence shows that ncRNAs are frequently dysregulated in diseases. Further, ncRNAs have been discovered in different extracellular forms, such as exosomes, which circulate in human body fluids. Thus, miRandola 2017 is an effort to update and collect the accumulating information on extracellular ncRNAs that is spread across scientific publications and different databases...
September 25, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29036251/an-adhesive-patch-based-skin-biopsy-device-for-molecular-diagnostics-and-skin-microbiome-studies
#3
Zuxu Yao, Ronald Moy, Talisha Allen, Burkhard Jansen
INTRODUCTION: A number of diagnoses in clinical dermatology are currently histopathologically confirmed and this image recognition-based confirmation generally requires surgical biopsies. The increasing ability of molecular pathology to corroborate or correct a clinical diagnosis based on objective gene expression, mutation analysis, or molecular microbiome data is on the horizon and would be further supported by a tool or procedure to collect samples non-invasively. This study characterizes such a tool in form of a 'bladeless' adhesive patch-based skin biopsy device...
October 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29036218/crystallographic-and-thermodynamic-characterization-of-phenylaminopyridine-bisphosphonates-binding-to-human-farnesyl-pyrophosphate-synthase
#4
Jaeok Park, Dmitry Rodionov, Joris W De Schutter, Yih-Shyan Lin, Youla S Tsantrizos, Albert M Berghuis
Human farnesyl pyrophosphate synthase (hFPPS) catalyzes the production of the 15-carbon isoprenoid farnesyl pyrophosphate. The enzyme is a key regulator of the mevalonate pathway and a well-established drug target. Notably, it was elucidated as the molecular target of nitrogen-containing bisphosphonates, a class of drugs that have been widely successful against bone resorption disorders. More recently, research has focused on the anticancer effects of these inhibitors. In order to achieve increased non-skeletal tissue exposure, we created phenylaminopyridine bisphosphonates (PNP-BPs) that have bulky hydrophobic side chains through a structure-based approach...
2017: PloS One
https://www.readbyqxmd.com/read/29035890/biocharacterization-of-heat-shock-protein-90-in-acetaminophen-treated-livers-without-conspicuous-drug-induced-liver-injury
#5
Ka Wu, Chao Guo, Min Su, Xinmou Wu, Rong Li
BACKGROUND/AIMS: Acetaminophen (APAP) refers to a medication used to manage pain and fever symptoms. Heat shock protein 90 (Hsp90) is to be expressed during various stresses, such as wound healing and tissue remodeling. Recently, it is discovered that Hsp90 is a potential modifier of cytogenesis. In comparison to clinical references of liver damage, this study was designed to assess the potential bioeffect of Hsp90 in APAP-treated livers without conspicuous drug induced liver injury (DILI)...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035884/protective-effects-of-pretreatment-with-quercetin-against-lipopolysaccharide-induced-apoptosis-and-the-inhibition-of-osteoblast-differentiation-via-the-mapk-and-wnt-%C3%AE-catenin-pathways-in-mc3t3-e1-cells
#6
Chun Guo, Rui-Juan Yang, Ke Jang, Xiao-Ling Zhou, Yu-Zhen Liu
BACKGROUND/AIMS: Quercetin, a flavonoid found in onions and other vegetables, has potential inhibitory effects on bone resorption in vivo and in vitro. In our previous study, we found that quercetin treatment reversed lipopolysaccharide (LPS)-induced inhibition of osteoblast differentiation through the mitogen-activated protein kinase (MAPK) pathway in MC3T3-E1 cells. In this study, we investigated the underlying mechanisms of pretreatment with quercetin on apoptosis and the inhibition of osteoblast differentiation in MC3T3-E1 cells induced by LPS...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035842/derivation-and-characterization-of-integration-free-ipsc-line-isrm-um51-derived-from-six2-positive-renal-cells-isolated-from-urine-of-an-african-male-expressing-the-cyp2d6-4-17-variant-which-confers-intermediate-drug-metabolizing-activity
#7
Martina Bohndorf, Audrey Ncube, Lucas-Sebastian Spitzhorn, Jürgen Enczmann, Wasco Wruck, James Adjaye
SIX2-positive renal cells isolated from urine from a 51year old male of African origin bearing the CYP2D6 *4/*17 variant were reprogrammed by nucleofection of a combination of two episomal-based plasmids omitting pathway (TGFβ, MEK and GSK3β) inhibition. The induced pluripotent stem cells (iPSCs) were characterized by immunocytochemistry, embryoid body formation, DNA-fingerprinting and karyotype analysis. Comparative transcriptome analyses with human embryonic stem cell lines H1 and H9 revealed a Pearson correlation of 0...
October 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29035755/antibiotic-effects-on-seed-germination-and-root-development-of-tomato-solanum-lycopersicum-l
#8
Alessandro Bellino, Giusy Lofrano, Maurizio Carotenuto, Giovanni Libralato, Daniela Baldantoni
Antibiotics are emerging pollutants released into the environment through wastewater and manure or effluents from livestock plants. Compared to the wide literature on the effects of antibiotics on the development of drug-resistant bacteria and on the adverse effects on animals and human beings, the effects on plants are less investigated. Here we evaluated the effects of four antibiotics (cloramphenicol: CAP, spiramycin: SPR, spectinomycin: SPT, vancomycin: VAN) belonging to different chemical groups, on seed germination and root development of tomato (Solanum lycopersicum L...
October 13, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29035637/design-and-characterization-of-mp0250-a-tri-specific-anti-hgf-anti-vegf-darpin%C3%A2-drug-candidate
#9
H Kaspar Binz, Talitha R Bakker, Douglas J Phillips, Andreas Cornelius, Christof Zitt, Thomas Göttler, Gabriel Sigrist, Ulrike Fiedler, Savira Ekawardhani, Ignacio Dolado, Johan Abram Saliba, Gaby Tresch, Karl Proba, Michael T Stumpp
MP0250 is a multi-domain drug candidate currently being tested in clinical trials for the treatment of cancer. It comprises one anti-vascular endothelial growth factor-A (VEGF-A), one anti-hepatocyte growth factor (HGF), and two anti-human serum albumin (HSA) DARPin® domains within a single polypeptide chain. While there is first clinical validation of a single-domain DARPin® drug candidate, little is known about DARPin® drug candidates comprising multiple domains. Here, we show that MP0250 can be expressed at 15 g/L in soluble form in E...
October 16, 2017: MAbs
https://www.readbyqxmd.com/read/29035547/pharmacokinetics-and-pharmacodynamics-of-the-triterpenoid-ursolic-acid-in-regulating-the-anti-oxidant-anti-inflammatory-and-epigenetic-gene-responses-in-rat-leukocytes
#10
Chengyue Zhang, Chao Wang, Wenji Li, Renyi Wu, Yue Guo, David Cheng, Yuqing Yang, Ioannis P Androulakis, Ah-Ng Kong
The triterpenoid ursolic acid (UA) has been proposed as a potential cancer chemopreventive agent in many preclinical and clinical studies. In the present work, we aimed to characterize the pharmacokinetics (PK) of UA and to quantitatively assess the anti-oxidative and anti-inflammatory effects of UA, which are potentially linked to its chemopreventive efficacy. UA was administered intravenously (i.v., 20 mg/kg) or by oral gavage (100 mg/kg) to male Sprague-Dawley rats, and blood samples were collected at a series of designated time points...
October 16, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29035510/crispri-and-crispra-screens-in-mammalian-cells-for-precision-biology-and-medicine
#11
Martin Kampmann
Next-generation DNA sequencing technologies have led to a massive accumulation of genomic and transcriptomic data from patients and healthy individuals. The major challenge ahead is to understand the functional significance of the elements of the human genome and transcriptome, and implications for diagnosis and treatment. Genetic screens in mammalian cells are a powerful approach to systematically elucidate gene function in health and disease states. In particular, recently developed CRISPR/Cas9-based screening approaches have enormous potential to uncover mechanisms and therapeutic strategies for human diseases...
October 16, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/29035509/positron-emission-tomography-assessment-of-the-intranasal-delivery-route-for-orexin-a
#12
Genevieve C Van de Bittner, Kyle C Van de Bittner, Hsiao-Ying Wey, Wayne Rowe, Ramalinga Dharanipragada, Xiaoyou Ying, William Hurst, Andrew Giovanni, Kim Alving, Anurag Gupta, John Hoekman, Jacob M Hooker
Intranasal drug delivery is a non-invasive drug delivery route that can enhance systemic delivery of therapeutics with poor oral bioavailability by exploiting the rich microvasculature within the nasal cavity. The intranasal delivery route has also been targeted as a method for improved brain uptake of neurotherapeutics, with a goal of harnessing putative, direct nose-to-brain pathways. Studies in rodents, non-human primates and humans have pointed to the efficacy of intranasally delivered neurotherapeutics, while radiolabeling studies have analyzed brain uptake following intranasal administration...
October 16, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29035298/molecular-docking-and-3d-pharmacophore-modeling-to-study-the-interactions-of-chalcone-derivatives-with-estrogen-receptor-alpha
#13
Muchtaridi Muchtaridi, Hasna Nur Syahidah, Anas Subarnas, Muhammad Yusuf, Sharon D Bryant, Thierry Langer
Tamoxifen is the most frequently used anti-estrogen adjuvant treatment for estrogen receptor-positive breast cancer. However, it is associated with an increased risk of several serious side-effects, such as uterine cancer, stroke, and pulmonary embolism. The 2',4'-dihydroxy-6-methoxy-3,5-dimethylchalcone (ChalcEA) from plant leaves of Eugenia aquea, has been found to inhibit the proliferation of MCF-7 human breast cancer cells in a dose-dependent manner, with an IC50 of 74.5 μg/mL (250 μM). The aim of this work was to study the molecular interactions of new ChalcEA derivatives formed with the Estrogen Receptor α (ERα) using computer aided drug design approaches...
October 16, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/29035247/importance-of-land-snails-in-dicrocoeliosis-epidemiology
#14
Gözde Gürelli
Dicrocoeliosis is a helminthosis caused by the small liver fluke Dicrocoelium spp. (Trematoda, Dicrocoeliidae) parasitizing in the bile ducts and gall bladder of ruminants as well as many other animal species including humans. In the biological life cycle of Dicrocoelium, land snails are first intermediate hosts and ants are second intermediate hosts. Sporocysts and cercaria, which are larval stages, live in the hepatopancreas of land snails and metacercaria, which is also the larval stage, lives in the abdomen and brain of ants...
September 2017: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29035158/humanizing-folk-devils-using-ethnography
#15
Peter L Myers
The sociological concepts of the "moral panic" and the deviant "folk devil" apply to the drug panics in the United States over methamphetamine, heroin, and crack cocaine. Mothers or pregnant women who smoke crack cocaine, and their babies, are assigned exaggerated "demonic" attributes that result in stigma and societal rejection. Otherwise, ethnographic studies of drug users demonstrate realities that are other than what might be considered were one to merely look at their use and the consequences. These considerations are examined with respect to the image of folk devils, methadone program attendees, smokers of "blunts," opium den habitués, and others grouped together as negative influences as a result of their drug habits...
October 16, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/29034894/induced-pluripotent-stem-cells-derived-from-a-patient-with-familial-idiopathic-basal-ganglia-calcification-ibgc-caused-by-a-mutation-in-slc20a2-gene
#16
Shin-Ichiro Sekine, Takayuki Kondo, Nagahisa Murakami, Keiko Imamura, Takako Enami, Ran Shibukawa, Kayoko Tsukita, Misato Funayama, Masatoshi Inden, Hisaka Kurita, Isao Hozumi, Haruhisa Inoue
Idiopathic basal ganglia calcification (IBGC), also known as Fahr disease or primary familial brain calcifications (PFBC), is a rare neurodegenerative disorder characterized by calcium deposits in basal ganglia and other brain regions, causing neuropsychiatric and motor symptoms. We established human induced pluripotent stem cells (iPSCs) from an IBGC patient. The established IBGC-iPSCs carried SLC20A2 c.1848G>A mutation (p.W616* of translated protein PiT2), and also showed typical iPSC morphology, pluripotency markers, normal karyotype, and the ability of in vitro differentiation into three-germ layers...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034890/derivation-of-a-disease-specific-human-induced-pluripotent-stem-cell-line-from-a-biliary-atresia-patient
#17
Lipeng Tian, Lindsey Eldridge, Pooja Chaudhari, Linyi Zhang, Robert A Anders, Kathleen B Schwarz, Zhaohui Ye, Yoon-Young Jang
Biliary atresia (BA) is a common cause of pediatric end-stage liver disease. While its etiology is not yet clear, evidence has suggested that BA results from interactions between genetic susceptibility and environmental factors. Disease relevant human cellular models of BA will facilitate identification of both genetic and environmental factors that are important for disease prevention and treatment. Here we report the generation of a human induced pluripotent stem cell line from a BA patient using episomal vectors...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034844/microrna-cancer-and-diet-facts-and-new-exciting-perspectives
#18
Maria Letizia Motti, Stefania D'Angelo, Rosaria Meccariello
BACKGROUND: MicroRNAs (miRNAs) are small non-coding RNAs able to regulate gene expression at multiple levels. They are detected in tissues, blood, and other body fluids with high stability and have a recognized role in the maintaining of tissue homeostasis. Aberrant expression profile of miRNAs has been observed in several diseases, primarily cancer. As a consequence, the analysis of miRNA signature has recognized diagnostic and prognostic role in human diseases, and the development of miRNA-based therapies is currently under investigation...
October 13, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/29034777/effects-of-matrix-metalloproteinase-inhibitor-doxycycline-and-cd147-antagonist-peptide-9-on-gallbladder-carcinoma-cell-lines
#19
Shihang Wang, Chao Liu, Xinjiang Liu, Yanxin He, Dongfang Shen, Qiankun Luo, Yuxi Dong, Haifeng Dong, Zhigang Pang
Gallbladder carcinoma is the most common and aggressive malignancy of the biliary tree and highly expresses CD147, which is closely related to disease prognosis in a variety of human cancers. Doxycycline exhibited anti-tumor properties in many cancer cells. CD147 antagonist peptide-9 is a polypeptide and can specifically bind to CD147. The effect of these two drugs on gallbladder cancer cells has not been studied. The aim of this study is to investigate the effect of doxycycline and antagonist peptide-9 on gallbladder carcinoma cells and the possible mechanism of inhibition on cancer cell of doxycycline...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29034772/opa-interacting-protein-5-modulates-docetaxel-induced-cell-death-via-regulation-of-mitophagy-in-gastric-cancer
#20
Tae Woo Kim, Seon-Jin Lee, Young-Jun Park, Sang Yoon Park, Byung Moo Oh, Yun Sun Park, Bo-Yeon Kim, Young-Ha Lee, Hee Jun Cho, Suk Ran Yoon, Yong-Kyung Choe, Hee Gu Lee
Damage to mitochondria induces mitophagy, a cellular process that is gaining interest for its therapeutic relevance to a variety of human diseases. However, the mechanism underlying mitochondrial depolarization and clearance in mitophagy remains poorly understood. We previously reported that mitochondria-induced cell death was caused by knockdown of Neisseria gonorrhoeae opacity-associated-interacting protein 5 in gastric cancer. In this study, we show that Neisseria gonorrhoeae opacity-associated-interacting protein 5 loss and gain of function modulates mitophagy induced by treatment with docetaxel, a chemotherapy drug for gastric cancer...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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