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Interferon-alpha

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https://www.readbyqxmd.com/read/28642716/effects-of-acute-hypoxia-and-reoxygenation-on-physiological-and-immune-responses-and-redox-balance-of-wuchang-bream-megalobrama-amblycephala-yih-1955
#1
Nan Chen, Meng Wu, Guo-Pan Tang, Hui-Juan Wang, Chun-Xiao Huang, Xin-Jie Wu, Yan He, Bao Zhang, Cui-Hong Huang, Hong Liu, Wei-Min Wang, Huan-Ling Wang
To study Megalobrama amblycephala adaption to water hypoxia, the changes in physiological levels, innate immune responses, redox balance of M.amblycephala during hypoxia were investigated in the present study. When M. amblycephala were exposed to different dissolved oxygen (DO) including control (DO: 5.5 mg/L) and acute hypoxia (DO: 3.5 and 1.0 mg/L, respectively), hemoglobin (Hb), methemoglobin (MetHb), glucose, Na(+), succinatedehydrogenase (SDH), lactate, interferon alpha (IFNα), and lysozyme (LYZ), except hepatic glycogen and albumin gradually increased with the decrease of DO level...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28638221/prevalence-of-ifnl3-rs4803217-single-nucleotide-polymorphism-and-clinical-course-of-chronic-hepatitis-c
#2
Bogna Świątek-Kościelna, Ewelina Kałużna, Ewa Strauss, Jerzy Nowak, Iwona Bereszyńska, Ewelina Gowin, Jacek Wysocki, Jolanta Rembowska, Dominika Barcińska, Iwona Mozer-Lisewska, Danuta Januszkiewicz-Lewandowska
AIM: To evaluate the association of IFNL3 (IL28B) SNP rs4803217 with severity of disease and treatment outcome in chronic hepatitis C (CHC). METHODS: The study enrolled 196 CHC Polish patients (82 women and 114 men in age 20-64) infected with hepatitis C virus (HCV) genotype 1. They were treatment naïve and qualified to pegylated interferon alpha (PEG-IFN-α) and ribavirin (RBV) therapy. The analyzed baseline parameters included: degree of inflammation, stage of fibrosis, viral load as well as alanine aminotransferase (ALT), asparagine aminotransferase (AST) and total bilirubin (TBIL)...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28624460/identification-of-kx2-391-as-an-inhibitor-of-hbv-transcription-by-a-recombinant-hbv-based-screening-assay
#3
Keisuke Harada, Hironori Nishitsuji, Saneyuki Ujino, Kunitada Shimotohno
Antiviral therapies for chronic hepatitis B virus (HBV) infection that are currently applicable for clinical use are limited to nucleos(t)ide analogs targeting HBV polymerase activity and pegylated interferon alpha (PEG-IFN). Towards establishing an effective therapy for HBV related diseases, it is important to develop a new anti-HBV agent that suppresses and eradicates HBV. This study used recombinant HBV encoding NanoLuc to screen anti-HBV compounds from 1827 US Food and Drug Administration approved compounds and identified several compounds that suppressed HBV infection...
June 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28624102/hepatitis-e-virus-a-potential-threat-for-patients-with-liver-disease-and-liver-transplantation
#4
REVIEW
Annemiek A van der Eijk, Suzan D Pas, Robert A de Man
Immunocompromised patients are at risk of acquiring acute hepatitis E virus infection (HEV), leading to chronicity. Chronic HEV infection is associated with persistent viraemia, raised transaminase activity, histological features associated with chronic hepatitis and evidence of rapid development of cirrhosis. Extrahepatic manifestations have been associated with HEV. Most frequently reported are neurological disorders with predominantly involvement of the peripheral nervous system. In patients using immunosuppressive drugs antibody production is often delayed and HEV RNA detection is superior to serology to detect infection...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28623307/both-interferon-alpha-and-lambda-can-reduce-all-intrahepatic-hdv-infection-markers-in-hbv-hdv-infected-humanized-mice
#5
Katja Giersch, Maria Homs, Tassilo Volz, Martina Helbig, Lena Allweiss, Ansgar W Lohse, Jörg Petersen, Maria Buti, Teresa Pollicino, Camille Sureau, Maura Dandri, Marc Lütgehetmann
Co-infection with hepatitis B (HBV) and D virus (HDV) is associated with the most severe course of liver disease. Interferon represents the only treatment currently approved. However, knowledge about the impact of interferons on HDV in human hepatocytes is scant. Aim was to assess the effect of pegylated interferon alpha (peg-IFNα) and lambda (peg-IFNλ), compared to the HBV-polymerase inhibitor entecavir (ETV) on all HDV infection markers using human liver chimeric mice and novel HDV strand-specific qRT-PCR and RNA in situ hybridization assays, which enable intrahepatic detection of HDV RNA species...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28620382/phase-ii-study-of-adjuvant-immunotherapy-with-the-csf-470-vaccine-plus-bacillus-calmette-guerin-plus-recombinant-human-granulocyte-macrophage-colony-stimulating-factor-vs-medium-dose-interferon-alpha-2b-in-stages-iib-iic-and-iii-cutaneous-melanoma-patients
#6
José Mordoh, María Betina Pampena, Mariana Aris, Paula Alejandra Blanco, Mónica Lombardo, Erika María von Euw, Soledad Mac Keon, Michelle Yépez Crow, Alicia Inés Bravo, Juan Manuel O'Connor, Ana Gabriela Orlando, Franco Ramello, Estrella Mariel Levy, María Marcela Barrio
The irradiated, allogeneic, cellular CSF-470 vaccine plus Bacillus Calmette-Guerin (BCG) and recombinant human granulocyte macrophage-colony stimulating factor (rhGM-CSF) is being tested against medium-dose IFN-α2b in stages IIB-III cutaneous melanoma (CM) patients (pts) after surgery in an open, randomized, Phase II/III study. We present the results of the Phase II part of the ongoing CASVAC-0401 study (ClinicalTrials.gov: NCT01729663). Thirty-one pts were randomized to the CSF-470 vaccine (n = 20) or to the IFN-α2b arm (n = 11)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28603112/alternative-treatment-in-hepatitis-b-by-using-polyherbal-formulation
#7
Omar Iqbal, Halima Nazar, Samina Afzal, Khan Usmanghani
The hepatitis B is most prevalent diseases (along with morbidities) in Asian countries. This research study has been conducted to provide an alternative treatment which is safe, effective and cost-effective to comprehend relations of disease, symptoms, patients response and the clinical response via better management of hepatitis B. The goal of this research is to evaluate efficacy and safety of herbal medicine as compared to allopathic medicine in patients suffering from hepatitis B. This was a single blind, randomized controlled clinical trial conducted at Shifa-ul-Mulk Memorial Hospital Hamdard University, Karachi and Dar ul Shifa Unani Dawakhana Karachi, Pakistan...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28591945/-effect-of-ifn-%C3%AE-2b-on-cox-2-and-angiogenesis-in-jak2v617f-mutation-myeloproliferative-neoplasms
#8
Ya-Ling Zhao, Li-Jun Zhang, Jian-Zhu Fu, Qian Xu, Gui-Min Liu, Xu-Lei Xie, Wen-Tong Liang, Zhi-Yon Cheng
OBJECTIVES: To investigate the influence of interferon-alpha-2b (IFN-α2b) with JAK2 kinase, COX-2 and microvessel density in patients of MPN and the relation of JAK2V617F and COX-2 in human erythroleukemia cell line (HEL) cells. METHODS: Forty-two cases of MPN patients with JAK2V617F mutation of initial treatment were collected from the Frist hospital of Baoding, including the IFN-α2b treatment group with 17 cases and untreated group with 25 cases. 10 cases of idiopathic immune thrombocytopenic purpura (ITP) patients synchronization were enrolled as controls...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28588133/novel-nonreplicating-vaccinia-virus-vector-enhances-expression-of-heterologous-genes-and-suppresses-synthesis-of-endogenous-viral-proteins
#9
Linda S Wyatt, Wei Xiao, Jeffrey L Americo, Patricia L Earl, Bernard Moss
Viruses are used as expression vectors for protein synthesis, immunology research, vaccines, and therapeutics. Advantages of poxvirus vectors include the accommodation of large amounts of heterologous DNA, the presence of a cytoplasmic site of transcription, and high expression levels. On the other hand, competition of approximately 200 viral genes with the target gene for expression and immune recognition may be disadvantageous. We describe a vaccinia virus (VACV) vector that uses an early promoter to express the bacteriophage T7 RNA polymerase; has the A23R intermediate transcription factor gene deleted, thereby restricting virus replication to complementing cells; and has a heterologous gene regulated by a T7 promoter...
June 6, 2017: MBio
https://www.readbyqxmd.com/read/28587944/short-term-injection-drug-use-changes-following-hepatitis-c-virus-hcv-assessment-and-treatment-among-persons-who-inject-drugs-with-acute-hcv-infection
#10
Andreea Adelina Artenie, Geng Zang, Mark Daniel, Emmanuel Fortier, Didier Jutras-Aswad, Svetlana Puzhko, Julie Bruneau
BACKGROUND: It is unclear whether treatment and care for hepatitis C virus (HCV) infection can help people who inject drugs (PWID) modify their injection drug use behaviours. This study examined changes in injection drug use among PWID with acute HCV systematically referred for HCV clinical assessment and treatment and offered targeted health care services, over the course of one year. METHODS: The study sample included PWID with documented acute HCV infection recruited and followed-up semi-annually at least twice in IMPACT (2007-2015), a longitudinal community-based prospective study in Montréal, Canada...
June 3, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28586597/identification-of-mutation-sites-in-hepatitis-c-virus-genotype-3a-in-non-responders-to-combination-therapy-with-interferon-%C3%AE-lfa-and-ribavirin-in-residents-of-khyber-pakhtunkhwa-province-pakistan
#11
Sardar Muhammad, Mehmud Ur Rehman, Najibul Ul Haq, Muhammad Mumtaz Khan, Sajjad Ahmad
OBJECTIVE: This study was carried out to search for mutations in the gene encoding for Non- Structural Protein 5A, specifically in the interferon sensitivity determining region of hepatitis C virus (HCV) genotype 3a, isolated from serum samples of patients not responding to treatment with oral Ribavirin and Interferon alpha injections. METHODS: This descriptive case series was conducted on HCV patients reporting in the attached teaching hospitals of Peshawar Medical College selected by consecutive sampling technique from 1st July to 31st December 2012...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28586584/hypothyroidism-in-hepatitis-c-patients-on-pegylated-interferon-therapy
#12
Muhammad Asim Hameed, Asif Mehmood, Muhammad Ahsan Farooq, Ghias Un Nabi Tayyab, Israr Ul Haq Toor
OBJECTIVE: Chronic hepatitis has become a major health problem all over the world especially in the third world countries. The most common cause of chronic hepatitis in Pakistan is hepatitis C which can lead Toliver cirrhosis and hepatocellular carcinoma. In Pakistan Pegylated Interferon Alpha is still corner stone of therapy for chronic hepatitis C. One of the major side effects of this therapy is the development of thyroid dysfunction, i.e., hypothyroidism and hyperthyroidism. This study was done to assess the frequency of hypothyroidism in hepatitis C patients after three months of pegylated interferon therapy...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28579374/activated-plasmacytoid-dendritic-cells-regulate-type-2-innate-lymphoid-cells-mediated-airway-hyperreactivity
#13
Hadi Maazi, Homayon Banie, German Aleman, Nisheel Patel, Bowen Wang, Ishwarya Sankaranarayanan, Vipul Bhargava, Takahiro Sato, Gavin Lewis, Matteo Cesaroni, James Karras, Anuk Das, Pejman Soroosh, Omid Akbari
BACKGROUND: Allergic asthma is a prevalent inflammatory disease of the airways caused by dysregulated immune balance in the lungs with incompletely understood pathogenesis. The recently identified type 2 innate lymphoid cells (ILC2s) play significant roles in the pathogenesis of asthma. While ILC2-activating factors have been identified, the mechanisms that suppress ILC2s remain largely unknown. Plasmacytoid dendritic cells, pDCs, are important in antiviral immunity and in maintaining tolerance to inert antigens...
June 1, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28578326/targeting-jurkat-t-lymphocyte-leukemia-cells-by-an-engineered-interferon-alpha-hybrid-molecule
#14
Dehai Yu, Zhonghua Du, Wei Li, Huaqiu Chen, Songgen Ye, Andrew R Hoffman, Jiuwei Cui, Ji-Fan Hu
BACKGROUND/AIMS: Adult T-cell leukemia/lymphoma (ATL) is a very aggressive T cell malignancy that carries a poor prognosis, primarily due to its resistance to chemotherapy and to life-threatening infectious complications. Interferon-alpha (IFNα) has been used in combination with the anti-retroviral drug zidovudine to treat patients with ATL. However, the efficacy of long-term therapy is significantly limited due to the systemic toxicity of IFNα. METHODS: We utilized phage display library screening to identify short peptides that specifically bind to Jurkat T lymphocyte leukemia cells...
June 5, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28561661/operable-melanoma-screening-prognostication-and-adjuvant-and-neoadjuvant-therapy
#15
Ahmad A Tarhini, Paul Lorigan, Sancy Leachman
The importance of reducing the numbers of patients with late-stage melanoma, identifying which patients are most likely to progress, and treating these patients at the earliest possible stage cannot be overemphasized. Improved screening of patients prior to diagnosis has the advantage of identifying early-stage disease that is for the most part treatable by surgical methods. The process of melanoma screening is rapidly evolving through population-based programs, mobile health technologies, and advanced imaging tools...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28557110/dose-escalation-study-evaluating-pegylated-interferon-alpha-2a-in-patients-with-cutaneous-t-cell-lymphoma
#16
M Schiller, A Tsianakas, W Sterry, R Dummer, A Hinke, D Nashan, R Stadler
BACKGROUND: This open-label, multicenter, dose-escalation study evaluated the safety, tolerability, and efficacy of subcutaneous pegylated (40 kD) interferon α-2a (PEG-IFN α-2a) in patients with cutaneous T-cell lymphoma (CTCL). PATIENTS AND METHODS: PEG-IFNα-2a was administered subcutaneously at 180 (n=4), 270 (n=6), or 360 μg (n=3) once weekly for 12 weeks. Efficacy was assessed by the proportion of patients with complete response (CR) or partial response (PR)...
May 30, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28553668/the-clinical-spectrum-of-erdheim-chester-disease-an-observational-cohort-study
#17
Juvianee I Estrada-Veras, Kevin J O'Brien, Louisa C Boyd, Rahul H Dave, Benjamin Durham, Liqiang Xi, Ashkan A Malayeri, Marcus Y Chen, Pamela J Gardner, Jhonell R Alvarado-Enriquez, Nikeith Shah, Omar Abdel-Wahab, Bernadette R Gochuico, Mark Raffeld, Elaine S Jaffe, William A Gahl
Erdheim-Chester Disease (ECD) is a rare, potentially fatal, multi-organ myeloid neoplasm occurring mainly in adults. The diagnosis is established by clinical, radiologic, and histologic findings; ECD tumors contain foamy macrophages that are CD68+, CD163+, CD1a-, and frequently S100-. The purpose of this report is to describe the clinical and molecular variability of ECD. Sixty consecutive ECD patients (45 males, 15 females) were prospectively evaluated at the NIH Clinical Center between 2011 and 2015. Comprehensive imaging and laboratory studies were performed, and tissues were examined for BRAF V600E and MAPK pathway mutations...
February 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/28545581/increased-serum-level-of-soluble-interleukin-2-receptor-is-associated-with-a-worse-response-of-metastatic-clear-cell-renal-cell-carcinoma-to-interferon-alpha-and-sequential-vegf-targeting-therapy
#18
Akinori Nukui, Akinori Masuda, Hideyuki Abe, Kyoko Arai, Ken-Ichiro Yoshida, Takao Kamai
BACKGROUND: Renal cell carcinoma (RCC) is a tumor with immunogenic properties. Soluble interleukin-2 receptor (sIL-2R) has a role in T cell activation and may be important for immune regulation in various conditions, including infections, transplantation rejection, autoimmune inflammatory states, and cancer. We investigated the prognostic value of the serum sIL-2R level in patients with metastatic RCC receiving IFN-alpha and vascular endothelial growth factor (VEGF)-targeting therapy...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28545470/the-unique-c-and-n-terminal-sequences-of-metallothionein-isoform-3-mediate-growth-inhibition-and-vectorial-active-transport-in-mcf-7-cells
#19
Brent Voels, Liping Wang, Donald A Sens, Scott H Garrett, Ke Zhang, Seema Somji
BACKGROUND: The 3rd isoform of the metallothionein (MT3) gene family has been shown to be overexpressed in most ductal breast cancers. A previous study has shown that the stable transfection of MCF-7 cells with the MT3 gene inhibits cell growth. The goal of the present study was to determine the role of the unique C-terminal and N-terminal sequences of MT3 on phenotypic properties and gene expression profiles of MCF-7 cells. METHODS: MCF-7 cells were transfected with various metallothionein gene constructs which contain the insertion or the removal of the unique MT3 C- and N-terminal domains...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28540494/dacryoendoscopy-guided-transcanalicular-intralesional-interferon-alpha-2b-for-canalicular-squamous-papillomas
#20
Mohammad Javed Ali, Swati Singh, Anasua Ganguly, Milind N Naik
Canalicular papillomatosis is a rare disorder characterized by a mass lesion arising from the epithelium as a stalk from one of the canalicular walls. Traditionally, they have been treated with an open canaliculotomy and excision biopsy with or without additional cryotherapy. A patient with upper canalicular squamous papillomas treated with dacryoendoscopy-guided transcanalicular intralesional and topical interferon alpha 2b is presented, and the ineffectiveness of interferons in this case is discussed.
May 24, 2017: International Ophthalmology
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