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Eliza Tsitoura, Athol U Wells, Kostantinos Karagiannis, Ismini Lasithiotaki, Eirini Vasarmidi, Eleni Bibaki, Chara Koutoulaki, Hiroe Sato, Demetrios A Spandidos, Nikolaos M Siafakas, George Sourvinos, Katerina M Antoniou
MicroRNA signatures of BAL cells and alveolar macrophages are currently lacking in IPF. Here we sought to investigate the expression of fibrosis-related microRNAs in the cellular component of the BAL in IPF. We thus focused on microRNAs previously associated with fibrosis (miR-29a, miR-29b, miR-29c, let-7d, and miR-21) and rapid IPF progression (miR-185, miR-210, miR-302c-3p miR-376c and miR-423-5p). Among the tested microRNAs miR-29a and miR-185 were found significantly downregulated in IPF while miR-302c-3p and miR-376c were not expressed by BAL cells...
October 18, 2016: Oncotarget
Yi-Xin Wu, Jia-Hua Yang, Hirotomo Saitsu
Bortezomib (BTZ), a proteasome inhibitor, is the first proteasome inhibitor to be used in clinical practice. Here we investigated the mechanisms underlying acquired bortezomib resistance in hepatocellular carcinoma (HCC) cells. Using stepwise selection, we established two acquired bortezomib-resistant HCC cell lines, a bortezomib-resistant HepG2 cell line (HepG2/BTZ) and bortezomib-resistant HuH7 cell line (HuH7/BTZ). The 50% inhibitory concentration values of HepG2/BTZ and HuH7/BTZ were respectively 15- and 39-fold higher than those of parental cell lines...
October 18, 2016: Oncotarget
Massimo Nabissi, Maria Beatrice Morelli, Massimo Offidani, Consuelo Amantini, Silvia Gentili, Alessandra Soriani, Claudio Cardinali, Pietro Leoni, Giorgio Santoni
Several studies showed a potential anti-tumor role for cannabinoids, by modulating cell signaling pathways involved in cancer cell proliferation, chemo-resistance and migration. Cannabidiol (CBD) was previously noted in multiple myeloma (MM), both alone and in synergy with the proteasome inhibitor bortezomib, to induce cell death. In other type of human cancers, the combination of CBD with Δ9-tetrahydrocannabinol (THC) was found to act synergistically with other chemotherapeutic drugs suggesting their use in combination therapy...
October 18, 2016: Oncotarget
Eleni Pitta, Olga Balabon, Maciej K Rogacki, Jesús Gómez, Fraser Cunningham, Jurgen Joosens, Koen Augustyns, Pieter van der Veken, Robert Bates
During the construction of bioactive molecules, regioselective alkylation of heterocyclic, N/O ambident nucleophiles is a frequently encountered synthetic transformation. In this framework, specific attention is required to unambiguously determine the structures of obtained reaction products. As part of our project on quinoloxyacetamide based antimycobacterial agents, a series of N- or O- alkylated quinolin-4-ol, 1,5-naphthyridin-4-ol and quinazolin-4-ol derivatives were prepared during the course of which we observed unexpected selectivity issues...
October 11, 2016: European Journal of Medicinal Chemistry
Ana Karen Medina Lira, Argenis Jose Mayorga Soto, Pamela Frigerio
BACKGROUND: Choledochal cyst is a congenital dilatation of the biliary tree. It may affect only the extrahepatic bile duct (type I, II and III), intrahepatic (type V) or both (type IVa). Vater first described choledochal cyst in 1723. Open excision was the standard procedure made a great impact in the treatment but since 1995 Farello et al. first reported laparoscopic choledochal cyst excision and this has been used worldwide. CASE REPORT: Female, 17 years old, past medical history two years ago a laparoscopic cholecystectomy for gallbladders...
October 5, 2016: International Journal of Surgery Case Reports
Shuaihantian Luo, Yunuo Wang, Ming Zhao, Qianjin Lu
Systemic lupus erythematosus (SLE) is a severe autoimmune disease that causes multiple-organ dysfunction mainly affecting women in their childbearing years. Type I IFN synthesis is usually triggered by viruses, and its production is tightly regulated and limited in time in health individuals. However, many patients with systemic autoimmune diseases including SLE have signs of aberrant production of type I interferon (IFN) and display an increased expression of IFN-inducible genes. Continuous type I IFNs derived from activated plasmacytoid dendritic cells (pDCs) by interferogenic immune complexes (ICs) and migration of these cells to tissues both break immune tolerance and promote an on-going autoimmune reaction in human body...
October 18, 2016: International Immunopharmacology
Jasmine Rae Frost, Oladunni Olanubi, Stephen Ka-Hon Cheng, Andrea Soriano, Leandro Crisostomo, Alennie Lopez, Peter Pelka
Human adenovirus infects terminally differentiated cells and to replicate it must induce S-phase. The chief architects that drive adenovirus-infected cells into S-phase are the E1A proteins, with 5 different isoforms expressed during infection. E1A remodels the infected cell by associating with cellular factors and modulating their activity. The C-terminus of E1A is known to bind to only a handful of proteins. We have identified a novel E1A C-terminus binding protein, Ku70 (XRCC6), which was found to bind directly within the CR4 of E1A from human adenovirus type 5...
October 18, 2016: Virology
Whitney Marsh, Heith Copes, Travis Linnemann
BACKGROUND: Because of increased law enforcement and subsequent media attention, methamphetamine users appear in the public's imagination as diseased, zombie-like White trash. We explore methamphetamine users' perceptions about whether the images, people, and situations in anti-methamphetamine campaigns reflect their own lives and experiences using meth. METHODS: To explore these perceptions, we used photo-elicitation interviews with 47 people who used methamphetamine (30 former and 17 active)...
October 18, 2016: International Journal on Drug Policy
Michael P Atkinson, Moshe Kress, Roberto Szechtman
BACKGROUND: The US invests considerable effort in searching and interdicting drug-trafficking vessels in the Caribbean and Eastern Pacific regions. While some vessels are indeed interdicted, resulting in confiscation of substantial quantities of drugs, many such vessels manage to avoid detection and arrive safely at their destinations in Central America and Mexico with their drug load intact. The agency in charge of interdicting this traffic, Joint Interagency Task Force South-JIATF-S, sends out both aerial and surface assets for search and interdiction missions...
October 18, 2016: International Journal on Drug Policy
Yu-Dong Ma, Varadharajan Thiyagarajan, May-Jywan Tsai, Sheng-I Lue, Yi-Chen Chia, Song-Kun Shyue, Ching-Feng Weng
Migration of vascular smooth muscle cells (VSMCs) contributes to intimal hyperplasia and other vascular diseases. Caveolin-1 (Cav-1) has been recognized as a proliferative inhibitor of VSMCs and is likely to be an important regulator of VSMC migration. The underlying mechanism of pyrogallol on the VSMC migration is not fully understood. This study attempted to dissect the role of Cav-1 and matrix metalloproteinase (MMP) in VSMC migration and to investigate the effect of pyrogallol on VSMC mobility during carotid artery ligation mice...
October 15, 2016: Environmental Toxicology and Pharmacology
Si-Yong Qin, Ai-Qing Zhang, Si-Xue Cheng, Lei Rong, Xian-Zheng Zhang
Carrier-assistant drug delivery systems (DDSs) have been rapidly established for cancer therapy and great strides have been made in recent years. However, further development of DDSs is retarded by the aspects such as the low drug carrying capacity, carrier-induced toxicity and immunogenicity, complex synthesis manipulation. Drug self-delivery systems (DSDSs), in which active drugs exhibit nanoscale characteristic to realize intracellular delivery by themselves without the help of nanocarriers, have been rapidly developed to address these issues...
October 13, 2016: Biomaterials
Alessandro Mantovani, Lucia Mingolla, Riccardo Rigolon, Isabella Pichiri, Valentina Cavalieri, Giacomo Zoppini, Giuseppe Lippi, Enzo Bonora, Giovanni Targher
BACKGROUND: Recent studies suggested that nonalcoholic fatty liver disease (NAFLD) is associated with an increased prevalence of cardiovascular disease (CVD) in type 1 diabetes. We assessed whether NAFLD also predicts the risk of incident CVD events in type 1 diabetic adults. METHODS: We studied a retrospective cohort of 286 type 1 diabetic outpatients (mean age 43±14years; median duration of diabetes 17 [10-30] years) without secondary causes of chronic liver diseases, who were followed for a mean period of 5...
October 17, 2016: International Journal of Cardiology
Raquel Marin, Noemí Fabelo, Virginia Martín, Paula Garcia-Esparcia, Isidre Ferrer, David Quinto-Alemany, Mario Díaz
Lipid rafts are highly dynamic membrane microdomains intimately associated with cell signaling. Compelling evidence has demonstrated that alterations in lipid rafts are associated with neurodegenerative diseases such Alzheimer's disease, but at present, whether alterations in lipid raft microdomains occur in other types of dementia such dementia with Lewy bodies (DLB) remains unknown. Our analyses reveal that lipid rafts from DLB exhibit aberrant lipid profiles including low levels of n-3 long-chain polyunsaturated fatty acids (mainly docosahexaenoic acid), plasmalogens and cholesterol, and reduced unsaturation and peroxidability indexes...
September 6, 2016: Neurobiology of Aging
Julien Muffat, Yun Li, Rudolf Jaenisch
In vitro differentiation of human pluripotent stem cells provides a systematic platform to investigate the physiological development and function of the human nervous system, as well as the etiology and consequence when these processes go awry. Recent development in three-dimensional (3D) organotypic culture systems allows modeling of the complex structure formation of the human CNS, and the intricate interactions between various resident neuronal and glial cell types. Combined with an ever-expanding genome editing and regulation toolkit such as CRISPR/Cas9, it is now a possibility to study human neurological disease in the relevant molecular, cellular and anatomical context...
October 18, 2016: Current Opinion in Cell Biology
Sinem Acar, Ece Bulut, Bora Durul, Ilhan Uner, Mehmet Kur, M Dilek Avsaroglu, Hüseyin Avni Kirmaci, Yasar Osman Tel, Fadile Y Zeyrek, Yesim Soyer
192 Food samples (commonly consumed 8 food types), 355 animal samples (animal feces of bovine, ovine, goat and chicken) and 50 samples from clinical human cases in Sanliurfa city, Turkey in a year were collected to determine the Salmonella enterica subsp. enterica mosaic in Turkey. 161 Salmonella isolates represented 17 serotypes, 20 sequence types (STs) and 44 PFGE patterns (PTs). 3 serotypes, S. Enteritidis, S. Typhimurium and S. Kentucky, were recovered from three different hosts. The highest discriminatory power was obtained by PFGE (SID=0...
October 8, 2016: International Journal of Food Microbiology
Liang Li, Jin-Yu Zhao, Hui-Xia Chen, Hui-Dong Ju, Meng An, Zhen Xu, Lu-Ping Zhang
The cinnamon flounder Pseudorhombus cinnamoneus is a frequently consumed marine fish in China. However, the occurrence of ascaridoid larvae in P. cinnamoneus remains unclear. In the present study, a total of 85 P. cinnamoneus caught from the Yellow Sea (off Shidao, 36°52'57″N, 122°26'42″E) in 2011, which is located between mainland China and the Korean Peninsula, was investigated for ascaridoid larval infection. Four ascaridoid larval types, including Anisakis type I of Berland (1961), Hysterothylacium type of Smith (1983), Hysterothylacium type HL of Guo et al...
October 14, 2016: International Journal of Food Microbiology
K Raafat, M Wurglics, M Schubert-Zsilavecz
Prunella vulgaris L. (Lamiaceae) (PV) is a herbaceous plant traditionally utilized in management of diabetes and it has immunomodulatory activity. In this study, acute and subchronic antidiabetic, in-vivo antioxidant and antinociceptive effects of PV were evaluated in alloxan-induced type 1 diabetes (T1D) in a mouse model. Bio-guided fractionation, isolation, RP-HPLC, and (1)H and (13)C NMR identification of the active components responsible for PV effects were determined. RP-HPLC analysis showed that PV contained rosmarinic acid (RA) 4...
October 18, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Mohamed Bouchahda, Valérie Boige, Denis Smith, Abdoulaye Karaboué, Michel Ducreux, Mohamed Hebbar, Céline Lepère, Christian Focan, Rosine Guimbaud, Pasquale Innominato, Sameh Awad, Carlos Carvalho, Salvatore Tumolo, Stephanie Truant, Thierry De Baere, Denis Castaing, Philippe Rougier, Jean-François Morère, Julien Taieb, René Adam, Francis Lévi
BACKGROUND: Early tumour shrinkage has been associated with improved survival in patients receiving cetuximab-based systemic chemotherapy for liver metastases from colorectal cancer (LM-CRC). We tested this hypothesis for previously treated LM-CRC patients receiving cetuximab (500 mg/m(2)) and triplet hepatic artery infusion (HAI) within European trial OPTILIV. METHODS: Irinotecan (180 mg/m(2)), 5-fluorouracil (2800 mg/m(2)) and oxaliplatin (85 mg/m(2)) were given as chronomodulated or conventional delivery...
October 17, 2016: European Journal of Cancer
Maria Chatzinikolaidou, Charalampos Pontikoglou, Konstantina Terzaki, Maria Kaliva, Athanasia Kalyva, Eleni Papadaki, Maria Vamvakaki, Maria Farsari
The regeneration of bone via a tissue engineering approach involves components from the macroscopic to the nanoscopic level, including appropriate 3D scaffolds, cells and growth factors. In this study, hexagonal scaffolds of different diagonals were fabricated by Direct Laser Writing using a photopolymerizable hybrid material. The proliferation of bone marrow (BM) mesenchymal stem cells (MSCs) cultured on structures with various diagonals, 50, 100, 150 and 200μm increased significantly after 10days in culture, however without significant differences among them...
October 13, 2016: Colloids and Surfaces. B, Biointerfaces
Kaitlin Mock, Sundus Lateef, Vagner A Benedito, Janet C Tou
High-fructose corn syrup-55 (HFCS-55) has been suggested to be more lipogenic than sucrose, which increases the risk for nonalcoholic fatty liver disease (NAFLD) and dyslipidemia. The study objectives were to determine the effects of drinking different sugar-sweetened solutions on hepatic gene expression in relation to liver fatty acid composition and risk of NAFLD. Female rats were randomly assigned (n=7 rats/group) to drink water or water sweetened with 13% (w/v) HFCS-55, sucrose or fructose for 8 weeks. Rats drinking HFCS-55 solution had the highest (P=...
September 30, 2016: Journal of Nutritional Biochemistry
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