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https://www.readbyqxmd.com/read/29160385/usual-interstitial-pneumonia-typical-possible-and-inconsistent-patterns
#1
Pedro Paulo Teixeira E Silva Torres, Marcelo Fouad Rabahi, Maria Auxiliadora Carmo Moreira, Gustavo de Souza Portes Meirelles, Edson Marchiori
Idiopathic pulmonary fibrosis is a severe and progressive chronic fibrosing interstitial lung disease, a definitive diagnosis being established by specific combinations of clinical, radiological, and pathological findings. According to current international guidelines, HRCT plays a key role in establishing a diagnosis of usual interstitial pneumonia (UIP). Current guidelines describe three UIP patterns based on HRCT findings: a typical UIP pattern; a pattern designated "possible UIP"; and a pattern designated "inconsistent with UIP", each pattern having important diagnostic implications...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29159986/l-asparaginase-isolated-from-streptomyces-ansochromogenes-promotes-th1-profile-and-activates-cd8-t-cells-in-human-pbmc-an-in-vitro-investigation
#2
Glêzia Renata da Silva Lacerda, Cristiane Moutinho Lagos de Melo, Ana Karine de Araújo Soares, Leyllane Rafael Moreira, Marília Cavalcanti Coriolano, Gláucia Manoella de Souza Lima, Thiago Henrique Napoleão, Virgínia Maria Barros de Lorena, Leonor Alves de Oliveira da Silva, Silene Carneiro do Nascimento
AIMS: A new L-asparaginase produced by Streptomyces ansochromogenes UFPEDA 3420 actinobacteria was used in this study against human lymphocyte cultures to evaluate the immunological profile induced by this enzyme. METHODS AND RESULTS: Cultures of lymphocytes were stimulated with S. ansochromogenes L-asparaginase and cytotoxicity, cell viability, cell stimulation and cytokine production were analyzed. This new S. ansochromogenes L-asparaginase induced activation and proliferation of the TCD8(+) lymphocyte subset and produced higher TNF-α, IFN-γ, IL-2 and IL-10 levels in a 24 hour assay...
November 21, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29159344/regioselective-and-enantiospecific-synthesis-of-the-hsp-co-inducer-arimoclomol-from-chiral-glycidyl-derivatives
#3
Benjamin N Atkinson, Hannah L Woodward, James Sipthorp, Paul V Fish
A new efficient chiral synthesis of enantiopure arimoclomol (2) is reported from (R)-(-)-glycidyl nosylate (11) with complete retention of chiral integrity. Off-target pharmacology of arimoclomol (2) was evaluated against a representative set of drug targets and showed modest binding to a few kinases. Pharmacokinetic data was generated in vivo in mouse and showed a low brain : plasma ratio. These studies will be helpful towards a better understanding of the PK-PD relationship of 2 in disease models.
November 21, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29159022/chinese-herbal-medicine-compound-yi-zhi-hao-pellet-inhibits-replication-of-influenza-virus-infection-through-activation-of-heme-oxygenase-1
#4
Jinqiu Yin, Linlin Ma, Huiqiang Wang, Haiyan Yan, Jin Hu, Wen Jiang, Yuhuan Li
As a leading cause of respiratory disease, influenza A virus (IAV) presents a pandemic threat in annual seasonal outbreaks. Given the limitation of existing anti-influenza therapies, there remains to be a requirement for new drugs. Compound Yi-Zhi-Hao pellet (CYZH) is a famous traditional Chinese medicine (TCM) used in the clinic, whose formula has been recorded in Complication of National Standard for Traditional Chinese Medicine to treat common cold. In this study, we found that CYZH exhibited a broad-spectrum anti-influenza activity and inhibited the expression of viral RNA and proteins in vitro...
November 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/29158891/overexpression-of-hypoxia-inducible-factor-and-metabolic-pathways-possible-targets-of-cancer
#5
REVIEW
Davinder Singh, Rohit Arora, Pardeep Kaur, Balbir Singh, Rahul Mannan, Saroj Arora
Cancer, the main cause of human deaths in the modern world is a group of diseases. Anticancer drug discovery is a challenge for scientists because of involvement of multiple survival pathways of cancer cells. An extensive study on the regulation of each step of these pathways may help find a potential cancer target. Up-regulated HIF-1 expression and altered metabolic pathways are two classical characteristics of cancer. Oxygen-dependent (through pVHL, PHDs, calcium-mediated) and independent (through growth factor signaling pathway, mdm2 pathway, HSP90) regulation of HIF-1α leads to angiogenesis, metastasis, and cell survival...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/29158824/dioscin-exerts-protective-effects-against-crystalline-silica-induced-pulmonary-fibrosis-in-mice
#6
Chao Li, Yiping Lu, Sitong Du, Siyi Li, Yiting Zhang, Fangwei Liu, Ying Chen, Dong Weng, Jie Chen
Inhalation of crystalline silica particles leads to pulmonary fibrosis, eventually resulting in respiratory failure and death. There are few effective drugs that can delay the progression of this disease; thus, patients with silicosis are usually only offered supportive care. Dioscin, a steroidal saponin, exhibits many biological activities and health benefits including its protective effects against hepatic fibrosis. However, the effect of dioscin on silicosis is unknown. METHODS: We employed experimental mouse mode of silicosis...
2017: Theranostics
https://www.readbyqxmd.com/read/29158278/characterization-of-plasmodium-atg3-atg8-interaction-inhibitors-identifies-novel-alternative-mechanisms-of-action-in-toxoplasma-gondii
#7
Joseph M Varberg, Kaice A LaFavers, Gustavo Arrizabalaga, William J Sullivan
Protozoan parasites, including the apicomplexan pathogens Plasmodium falciparum (malaria) and Toxoplasma gondii (toxoplasmosis) infect millions of people world-wide and represent a major human disease burden. Despite their prevalence, therapeutic strategies to treat these infections remain limited and are threatened by the emergence of drug resistance, highlighting the need for the identification of novel drug targets. Recently, homologues of the core autophagy proteins, including Atg8 and Atg3, were identified in many protozoan parasites...
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29158051/the-regulation-of-foxo1-and-its-role-in-disease-progression
#8
REVIEW
Ya-Qi Xing, Ang Li, Yang Yang, Xiao-Xia Li, Li-Nan Zhang, Hui-Cai Guo
Cell proliferation, apoptosis, autophagy, oxidative stress and metabolic dysregulation are the basis of many diseases. Forkhead box transcription factor O1 (FOXO1) changes in response to cellular stimulation and maintains tissue homeostasis during the above-mentioned physiological and pathological processes. Substantial evidences indicate that FOXO1's function depends on the modulation of downstream targets such as apoptosis- and autophagy-associated genes, anti-oxidative stress enzymes, cell cycle arrest genes, and metabolic and immune regulators...
November 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/29158049/down-regulation-of-pro-inflammatory-pathways-by-tanshinone-iia-and-cryptotanshinone-in-a-non-genetic-mouse-model-of-alzheimer-s-disease
#9
Francesco Maione, Marialuisa Piccolo, Simona De Vita, Maria Giovanna Chini, Claudia Cristiano, Carmen De Caro, Pellegrino Lippiello, Maria Concetta Miniaci, Rita Santamaria, Carlo Irace, Vincenzo De Feo, Antonio Calignano, Nicola Mascolo, Giuseppe Bifulco
Alzheimer's disease (AD) is a common form of dementia mainly characterized by the deposition of neurofibrillary tangles and β-amyloid (Aβ) peptides in the brain. Additionally, increasing evidence demonstrates that a neuro-inflammatory state plays a key role in the development of this disease. Beside synthetic drugs, the use of natural compounds represents an alternative for the development of new potential drugs for the treatment of AD. Among these, the root of Salvia miltiorhiza Bunge (also known as Danshen) used for the treatment of cardiovascular, cerebrovascular disease and CNS functional decline in Chinese traditional medicine is one of the most representative examples...
November 17, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29157961/improvement-of-intestinal-absorption-of-curcumin-by-cyclodextrins-and-the-mechanisms-underlying-absorption-enhancement
#10
Xinpeng Li, Sachiyo Uehara, Kasirawat Sawangrat, Masaki Morishita, Kosuke Kusamori, Hidemasa Katsumi, Toshiyasu Sakane, Akira Yamamoto
Curcumin is known to possess a wide range of pharmacological activities for the treatment of chronic or inflammatory diseases, Alzheimer's disease, and various cancers. However, the therapeutic efficacy of curcumin is restricted by its poor bioavailability after oral administration. In this study, the effects of various cyclodextrins on the intestinal absorption of curcumin were evaluated in rat intestine by an in situ closed-loop method. Among the tested cyclodextrins, 50 mM α-cyclodextrin significantly enhanced the absorption of curcumin without inducing any intestinal toxicity...
November 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29157955/development-of-a-goat-model-for-evaluation-of-withaferin-a-cervical-implants-for-the-treatment-of-cervical-intraepithelial-neoplasia
#11
Leslie C Sherwood, Farrukh Aqil, Manicka V Vadhanam, Jeyaprakash Jeyabalan, Radha Munagala, David Hoetker, Sanjay Srivastava, Inder P Singh, Scott Cambron, Martin O'Toole, Wendy Spencer, Lynn P Parker, Ramesh C Gupta
Cervical cancer is caused by human papillomavirus (HPV). The disease develops over many years through a series of precancerous lesions. Cervical cancer can be prevented by HPV-vaccination, screening and treatment of precancer before development of cervical cancer. The treatment of high-grade cervical dysplasia (CIN(2+)) has traditionally been by cervical conization. Surgical procedures are associated with increased risk of undesirable side effects including bleeding, infection, scarring (stenosis), infertility and complications in later pregnancies...
November 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29157829/sulfated-galactans-from-the-red-seaweed-gracilaria-fisheri-exerts-anti-migration-effect-on-cholangiocarcinoma-cells
#12
Thannicha Sae-Lao, Natthanej Luplertlop, Tavan Janvilisri, Rutaiwan Tohtong, David O Bates, Kanokpan Wongprasert
BACKGROUND: Seaweeds have a long history of use in Asian countries as functional foods, medicinal herbs, and the treatment of cancer. Polysaccharides from various seaweeds have shown anti-tumor activity. Cholangiocarcinoma (CCA), often with metastatic disease, is highly prevalent in Thailand as a consequence of liver fluke infection. Recently, we extracted sulfated galactans (SG) from Gracilaria fisheri (G. fisheri), a south east Asian seaweed, and found it exhibited anti-proliferation effect on CCA cells...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29156752/early-and-late-effects-of-aspirin-and-naproxen-on-micrornas-in-the-lung-and-blood-of-mice-either-unexposed-or-exposed-to-cigarette-smoke
#13
Alberto Izzotti, Roumen Balansky, Gancho Ganchev, Marietta Iltcheva, Mariagrazia Longobardi, Alessandra Pulliero, Anna Camoirano, Francesco D'Agostini, Marta Geretto, Rosanna T Micale, Sebastiano La Maestra, Mark Steven Miller, Vernon E Steele, Silvio De Flora
We recently showed that nonsteroidal anti-inflammatory drugs (NSAIDs) are able to inhibit the lung tumors induced by cigarette smoke, either mainstream (MCS) or environmental (ECS), in female mice. We used subsets of mice to analyze the expression of 1135 microRNAs in both lung and blood serum, as related to the whole-body exposure to smoke and/or oral administration of either aspirin or naproxen. In a first study, we evaluated early microRNA alterations in A/J mice exposed to ECS for 10 weeks, starting at birth, and/or treated with NSAIDs for 6 weeks, starting after weaning...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156730/generation-of-patient-specific-human-neural-stem-cells-from-niemann-pick-disease-type-c-patient-derived-fibroblasts
#14
Eun-Ah Sung, Kyung-Rok Yu, Ji-Hee Shin, Yoojin Seo, Hyung-Sik Kim, Myung Guen Koog, Insung Kang, Jae-Jun Kim, Byung-Chul Lee, Tae-Hoon Shin, Jin Young Lee, Seunghee Lee, Tae-Wook Kang, Soon Won Choi, Kyung-Sun Kang
Niemann-Pick disease type C (NPC) is a neurodegenerative and lysosomal lipid storage disorder, characterized by the abnormal accumulation of unesterified cholesterol and glycolipids, which is caused by mutations in the NPC1 genes. Here, we report the generation of human induced neural stem cells from NPC patient-derived fibroblasts (NPC-iNSCs) using only two reprogramming factors SOX2 and HMGA2 without going through the pluripotent state. NPC-iNSCs were stably expandable and differentiated into neurons, astrocytes, and oligodendrocytes...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156529/alpinetin-improved-high-fat-diet-induced-non-alcoholic-fatty-liver-disease-nafld-through-improving-oxidative-stress-inflammatory-response-and-lipid-metabolism
#15
Yong Zhou, Yin-Lu Ding, Jian-Liang Zhang, Peng Zhang, Jin-Qing Wang, Zhao-Hua Li
The non-alcoholic fatty liver disease (NAFLD) has become a serious medical problem and an increasing threat to public health. It is characterized by the abnormal fat accumulation in liver without excessive alcohol intake. The concurrent NAFLD might up-regulate the risk of chronic kidney disease as well as the mortality rate. Though various drugs have been investigated to attenuate NAFLD, further study is still necessary to find new therapeutic strategy and to reveal the underlying molecular mechanism. In the present study, NAFLD animal models were induced by feeding with high fat (HF) diet for 8 weeks...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156377/establishment-of-induced-pluripotent-stem-cell-line-zzui010-a-from-an-alzheimer-s-disease-patient-carrying-an-app-gene-mutation
#16
Zhilei Wang, Pei Zhang, Yanlin Wang, Changhe Shi, Na Jing, Huifang Sun, Jing Yang, Yutao Liu, Xuejun Wen, Jin Zhang, Shoutao Zhang, Yuming Xu
Alzheimer's disease (AD) is one of the most common neurodegenerative disorders. Previous studies have identified mutations in several genes, such as amyloid precursor protein (APP), presenilin-1 (PSEN1), and presenilin-2 (PSEN2), in patients with early-onset (<65years) familial AD. Recently, a patient with an APP gene mutation was identified; the dermal fibroblasts of the patient were obtained and a line of induced pluripotent stem cells (iPSCs) was successfully generated using the Sendai-virus (SeV) delivery system...
November 3, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29156301/evaluation-of-serum-arsenic-and-its-effects-on-antioxidant-alterations-in-relapsing-remitting-multiple-sclerosis-patients
#17
Kobra Bahrampour Juybari, Ghasem Ebrahimi, Mohammad Amin Momeni Moghaddam, Gholamreza Asadikaram, Masoud Torkzadeh-Mahani, Mahboobeh Akbari, Solmaz Mirzamohammadi, Atieh Karimi, Mohammad Hadi Nematollahi
BACKGROUND: Environmental factors that are involved in the development of autoimmune diseases include bacteria, viruses, and xenobiotics such as chemicals, drugs, and metals. Regarding the metals, a number of studies have demonstrated that oxidative stress is one of the well-directed pathways of arsenic-induced tissue damages. This study was designed to explore the serum concentrations of arsenic and its correlation with markers associated with oxidative stress in relapsing-remitting MS (RRMS) patients...
November 13, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29155762/high-throughput-analysis-of-locomotor-behavior-in-the-drosophila-island-assay
#18
Ilse Eidhof, Michaela Fenckova, Dei M Elurbe, Bart van de Warrenburg, Anna Castells Nobau, Annette Schenck
Advances in next-generation sequencing technologies contribute to the identification of (candidate) disease genes for movement disorders and other neurological diseases at an increasing speed. However, little is known about the molecular mechanisms that underlie these disorders. The genetic, molecular, and behavioral toolbox of Drosophila melanogaster makes this model organism particularly useful to characterize new disease genes and mechanisms in a high-throughput manner. Nevertheless, high-throughput screens require efficient and reliable assays that, ideally, are cost-effective and allow for the automatized quantification of traits relevant to these disorders...
November 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155539/sore-or-swollen-lips-part-2-systemic-causes
#19
Dimitrios Malamos, Crispian Scully
This series of three papers reviews the causes, diagnosis and differential diagnosis, and outlines the management of sore and/or swollen lips. Clinical relevance: Sore and/or swollen lips are not uncommon, often have a local cause, but may reflect a systemic disease. The previous article reviewed important causes, from actinic to contact cheilitis, while this paper starts with drug-induced cheilitis and completes that alphabetical list.
December 2016: Dental Update
https://www.readbyqxmd.com/read/29155366/applications-of-stimuli-responsive-nanoscale-drug-delivery-systems-in-translational-research
#20
REVIEW
Mengjie Gu, Xin Wang, Tan Boon Toh, Edward Kai-Hua Chow
Nanoscale drug delivery systems or nanocarriers have shown tremendous promise in the target-specific delivery of therapeutics as well as diagnostic agents. Additional properties can be introduced into nanocarriers to enhance the bioavailability and targeting efficiency of the transported drugs at diseased sites. Such nanocarriers are usually incorporated with stimuli-responsive components that can be triggered by specific stimuli (e.g., temperature, pH, or enzymes) and further induced by certain biological responses, such as enzyme hydrolysis and molecular conformational changes, leading to the controlled release of the transported molecules at targeted sites...
November 16, 2017: Drug Discovery Today
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