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Hep c

Rogério M Pinto, Susan S Witte, Prema L Filippone, C Jean Choi, Melanie Wall
The U.S. Centers for Disease Control and Prevention (CDC) Diffusion of Effective Behavioral Interventions project has disseminated HIV behavioral interventions (EBIs) across the United States since the 1990s. In 2011, the CDC launched the High-Impact HIV Prevention (HIP) project, providing EBIs plus high-impact services (HIV testing, primary care, and support services). Providers (nurses, social workers, educators) are unable to consistently make linkages; thus, numerous at-risk individuals are not benefitting from HIP...
March 1, 2018: Health Education & Behavior: the Official Publication of the Society for Public Health Education
Xiaohui Shen, Xia Gao, Hui Li, Yajun Gu, Junguo Wang
Laryngeal carcinoma is a kind of head and neck carcinoma with high incidence and mortality. Chemotherapy treatments ofhuman laryngeal carcinoma may fail due to the development of chemo-resistance. Tissue inhibitor of metalloproteinases 3 (TIMP3) has been shown to be implicated in a number of pathological processes typical for cancer. The present study aims to investigate the involvement of TIMP-3 in chemo-resistance of laryngeal carcinoma. We showed that TIMP3 expression was significantly decreased in chemo-resistant laryngeal carcinoma tissues compared with chemo-sensitivity tissues...
March 9, 2018: Oncology Research
Chien-Heng Shen, Shui-Yi Tung, Wen-Shih Huang, Kam-Fai Lee, Yung-Yu Hsieh, Meng Chiao Hsieh, Cheng-Nan Chen, Hsing-Chun Kuo
BACKGROUND/AIMS: Oxidants are important human toxicants. They have been implicated in the occurrence and development of liver diseases. Increased intracellular tert-butylhydroperoxide (t-BHP) may be critical for oxidant toxicity, and is commonly used for evaluating mechanisms involving oxidative stress, but the method remains controversial. METHODS: Primary cultures of hepatocytes as well as human Hep G2 and mouse FL83B liver cells were obtained. Cell viability was measured by annexin V-FITC/propidium iodide and DAPI staining to determine the effects of t-BHP treatment on acute liver injury...
March 2, 2018: Cellular Physiology and Biochemistry
Xudong Zhao, Wei Zhang, Wenyue Ji
AIM: In this study, we investigated the role of Y-box binding protein-1 (YB-1), c-Myb and miR-155 in human laryngeal squamous cell carcinoma (LSCC) progression. MATERIALS & METHODS: Quantitative real-time PCR, western blot, MTT and Transwell were conducted to determine the expression and function of YB-1/miR-155 pathway. Univariate and multivariate analyses were used to determine the prognostic factors. RESULTS: Expression of YB-1, c-Myb and miR-155 was higher in LSCC tissues...
March 8, 2018: Future Oncology
Cheng-He Zhou, Ya-Nan Wang, Rammohan R Yadav Bheemanaboina, Wei-Wei Gao, Jie Kang, Gui-Xin Cai
A series of benzimidazole quinolone hybrids as new potential antimicrobial agents were designed and synthesized, and their bioactive assay indicated that some prepared compounds exhibited potent antibacterial and antifungal activities. Notably, 2-fluorobenzyl derivative 5b showed remarkable antimicrobial activities against the resistant P. aeruginosa and C. tropicalis isolated from infected patients. The active molecule 5b could not only rapidly kill the tested strains, but also exhibit low toxicity towards Hep-2 cells...
March 7, 2018: ChemMedChem
S Olafsson, T Tyrfingsson, V Runarsdottir, O M Bergmann, I Hansdottir, E S Björnsson, B Johannsson, B Sigurdardottir, R H Fridriksdottir, A Löve, M Hellard, T J Löve, T Gudnason, M Heimisdottir, M Gottfredsson
A nationwide programme for the treatment of all patients infected with hepatitis C virus (HCV) was launched in Iceland in January 2016. By providing universal access to direct-acting antiviral agents to the entire patient population, the two key aims of the project were to (i) offer a cure to patients and thus reduce the long-term sequelae of chronic hepatitis C, and (ii) to reduce domestic incidence of HCV in the population by 80% prior to the WHO goal of HCV elimination by the year 2030. An important part of the programme is that vast majority of cases will be treated within 36 months from the launch of the project, during 2016-2018...
March 7, 2018: Journal of Internal Medicine
Pranesh Kumar, Ashok K Singh, Vinit Raj, Amit Rai, Amit K Keshari, Dinesh Kumar, Biswanath Maity, Anand Prakash, Sabyasachi Maiti, Sudipta Saha
Purpose: The application of betulinic acid (B), a potent antineoplastic agent, is limited due to poor bioavailability, short plasma half-life and inappropriate tissue distribution. Thus, we aimed to prepare novel 50:50 poly(lactic- co -glycolic acid) (PLGA)-loaded B nanoparticles (BNP) and to compare its anti-hepatocellular carcinoma (HCC) activity with parent B. Methods: BNP were synthesized and characterized using different methods such as scanning electron microscopy (SEM), fourier-transform infrared (FTIR) spectrometry and particle size analyses...
2018: International Journal of Nanomedicine
Guodong Li, Xiaoling Hu, Lu Sun, Xin Li, Jianfeng Li, Tongli Li, Xiaohui Zhang
Background: Laryngeal cancer tends to have a very poor prognosis due to the unsatisfactory efficacy of chemotherapy for this cancer. Multidrug resistance (MDR) is the main cause of chemotherapy failure. The proto-oncogene c-fos has been shown to be involved in the development of MDR in several tumor types, but few studies have evaluated the relationship between c-fos and MDR in laryngeal cancer. We investigated the role of c-fos in MDR development in laryngeal cancer cells (cell line: human epithelial type 2, HEp-2) using the chemotherapeutic vincristine (VCR)...
2018: Cellular & Molecular Biology Letters
S John Calise, Bing Zheng, Tomoko Hasegawa, Minoru Satoh, Natasa Isailovic, Angela Ceribelli, Luis E C Andrade, Katherine Boylan, Ilaria Cavazzana, Marvin J Fritzler, Ignacio Garcia de la Torre, Falk Hiepe, Kathryn Kohl, Carlo Selmi, Yehuda Shoenfeld, Angela Tincani, Edward K L Chan
BACKGROUND: Anti-mitochondrial antibodies (AMA) are found in >90% of primary biliary cholangitis patients. Anti-rods/rings antibodies (anti-RR) are most commonly associated with interferon-α and ribavirin treatment in hepatitis C patients. Clinical laboratories routinely screen for AMA and anti-RR using indirect immunofluorescence on HEp-2 cells (HEp-2-IFA). Therefore, we sought to establish reference materials for use in AMA and anti-RR testing. METHODS: AMA-positive and anti-RR-positive human plasma samples (AMA-REF and RR-REF), identified as potential reference materials based on preliminary data, were further validated by multiple laboratories using HEp-2-IFA, immunoprecipitation (IP), western blotting, IP-western, line immunoassay (LIA), addressable laser bead immunoassay (ALBIA) and enzyme-linked immunosorbent assay (ELISA)...
February 26, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
Bruce R Schackman, Sarah Gutkind, Jake R Morgan, Jared A Leff, Czarina N Behrends, Kevin L Delucchi, Courtney McKnight, David C Perlman, Carmen L Masson, Benjamin P Linas
BACKGROUND: We evaluated the cost-effectiveness of a hepatitis C (HCV) screening and active linkage to care intervention in US methadone maintenance treatment (MMT) patients using data from a randomized trial conducted in New York City and San Francisco. METHODS: We used a decision analytic model to compare 1) no intervention; 2) HCV screening and education (control); and 3) HCV screening, education, and care coordination (active linkage intervention). We also explored an alternative strategy wherein HCV/HIV co-infected participants linked elsewhere...
February 13, 2018: Drug and Alcohol Dependence
Marta Medina-O'Donnell, Francisco Rivas, Fernando J Reyes-Zurita, Antonio Martinez, Jose A Lupiañez, Andres Parra
A set of 18 amide derivatives of oleanolic or maslinic acid has been semi-synthesised. Twelve were diamine conjugates at C-28 of these triterpenic acids and the other six were PEGylated-diamine derivatives. The cytotoxic effects of these 18 triterpenic derivatives in three cancer-cell lines (B16-F10, HT29, and Hep G2) have been assayed, and have been compared to three non-tumour cell lines of the same or a similar tissue (HPF, IEC-18, and WRL68). The cell viability percentages for the non-tumour HPF line for almost all diamine conjugates of the tested triterpenic acids ranged from 81% to 94%...
February 16, 2018: European Journal of Medicinal Chemistry
Anubama Rajan, Lucy Vela, Xi-Lei Zeng, Xiaomin Yu, Noah Shroyer, Sarah E Blutt, Nina M Poole, Lily G Carlin, James P Nataro, Mary K Estes, Pablo C Okhuysen, Anthony W Maresso
Enteroaggregative Escherichia coli (EAEC) is an important diarrheal pathogen and a cause of both acute and chronic diarrhea. It is a common cause of pediatric bacterial diarrhea in developing countries. Despite its discovery in 1987, the intestinal tropism of the pathogen remains unknown. Cell lines used to study EAEC adherence include the HEp-2, T-84, and Caco-2 lines, but they exhibit abnormal metabolism and large variations in gene expression. Animal models either do not faithfully manifest human clinical symptoms or are cumbersome and expensive...
February 20, 2018: MBio
L Sibulesky, C E Kling, C Blosser, C K Johnson, A P Limaye, R Bakthavatsalam, N Leca, J D Perkins
KDRI introduced in 2009 included Hepatitis C serologic but not viremic status of the donors. With NAT testing now being mandatory, further evaluation of these donors is possible. We conducted a retrospective matched case-control analysis of adult deceased donor kidney transplants performed between 12/5/2014 to 12/31/2016 with the KDRI score and HCV Ab and NAT testing status obtained from UNOS database. The 205 aviremic Hep C Ab+ NAT - kidney transplants were compared to KDRI matched control kidneys that were Hep C Ab-NAT-...
February 16, 2018: American Journal of Transplantation
J T Niu, S G Liu, Y W Huang, C Li
Objective: To study the roles of miR-497 and PlexinA4 in the progression of laryngeal squamous cell carcinoma. Methods: The expressions of miR-497 and PlexinA4 in fresh tumor specimens and adjacent normal mucosa tissues as well as in cell lines of laryngeal squamous cell carcinoma (LSCC) were detected with qRT-PCR and immunohistochemistry. The association of miR-497 and PlexinA4 expressions with clinicopathologic factors and their prognostic values in LSCC were evaluated PlexinA4 siRNA and pcDNA3.1 (+ )/PlexinA4 plasmid were transfected into the LSCC and measured by Transwell to evaluate their effect on the invasion of LSCC...
February 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Chunshan Quan, Jing Liu, Wei Zhou, Wei Zheng, Liming Jin, Jing Zhao, Pengchao Zhao, Shengdi Fan
Cyclic lipopeptide has extensive application prospect in the field of medicine due to its unique chemical structure and biological activity. This study aims to obtain high purity of cyclic lipopeptide monomer from Bacillus amyloliquefaciems strain Q-426, and illuminate preliminary antitumor mechanism of C-15 Bacillomycin D and C-16 Bacillomycin D. Firstly, crude cyclic lipopeptide solution was prepared by two-steps purification of acid precipitation and double-resins chromatography. In order to obtain purer product preparative HPLC was utilized to separate and purify cyclic lipopeptide...
February 25, 2018: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
Rui Qi, Dongtao Wang, Lifei Xing, Zhongjun Wu
Dysregulation of mitochondrial biogenesis is associated with pathogenesis in many diseases, including liver diseases. Cyclosporine A (CsA), one of the most commonly used drug to treat many autoimmune diseases and to prevent allograft rejection after organ transplantation, has been reported to cause mitochondrial dysfunction. However, the cellular mechanisms underlying CsA on mitochondrial dysfunction remain at present not completely elucidated. In this study, we found that CsA reduced the expression of PGC-1α at both the mRNA and protein levels in HepG2 cells...
January 29, 2018: Biochemical and Biophysical Research Communications
Tanmoy Mondal, Indira Bag, Pushpavalli Sncvl, Koteswara Rao Garikapati, Utpal Bhadra, Manika Pal Bhadra
Argonaute family proteins are well conserved among all organisms. Its role in mitotic cell cycle progression and apoptotic cell elimination is poorly understood. Earlier we have established the contribution of Ago-1 in cell cycle control related to G2/M cyclin in Drosophila. Here we have extended our study in understanding the relationship of Ago-1 in regulating apoptosis during Drosophila development. Apoptosis play a critical role in controlling organ shape and size during development of multi cellular organism...
2018: PloS One
Kelly Safreed-Harmon, Kristina L Hetherington, Soo Aleman, Hannu Alho, Olav Dalgard, Tove Frisch, Magnus Gottfredsson, Nina Weis, Jeffrey V Lazarus
BACKGROUND AND AIMS: In the Nordic countries (Denmark, Finland, Iceland, Norway, Sweden), the prevalence of chronic hepatitis C virus (HCV) infection is relatively low in the general population, but is much higher among people who inject drugs (PWID). We conducted an exploratory study to investigate the extent to which these countries have policies supporting key elements of the public health response that is necessary to achieve the global goal of eliminating HCV as a public health threat...
2018: PloS One
Nouf M Al-Enazi, Amani S Awaad, Mohamed E Zain, Saleh I Alqasoumi
The antimicrobial, antioxidant, and anticancer activities of ethanolic extract of Laurencia catarinensis, L. majuscula and Padina pavonica were determined. The highest antibacterial activity; 23.40 ± 0.58 mm (00.98 µg/ml) and 22.60 ± 2.10 mm (03.90 µg/ml) were obtained against Klebsiella pneumonia by Laurencia catarinensis and Padina pavonica, respectively. However, Padina pavonica showed excellent antibacterial activity against Bacillus subtilis (21.7 ± 1.5 mm; 1.95 µg/ml), Staphylococcus aureus (21...
January 2018: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
Zu-Zhuang Wei, Qi-Pin Qin, Ting Meng, Cai-Xing Deng, Hong Liang, Zhen-Feng Chen
Two platinum(II) complexes [Pt(L)(DMSO)Cl] (1) and [Pt(L)(pn)]Cl (2) with 5-bromo-oxoisoaporphine (H-L) were synthesized. We found that the two new platinum(II) complexes were more selective for Hep-G2 tumor cells than for normal cells (HL-7702, WI-38 and L-o2 cell lines). 5-Bromine-oxoisoaporphine platinum(II) complex 2 was a telomerase inhibitor targeting c-myc G4, and it triggered Hep-G2 cell apoptosis more potently than complex 1. Moreover, they induced cell apoptosis via disruption of mitochondrial functions...
January 4, 2018: European Journal of Medicinal Chemistry
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