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https://www.readbyqxmd.com/read/28811492/interferon-alpha-treatment-rapidly-clears-hepatitis-e-virus-infection-in-humanized-mice
#1
Martijn D B van de Garde, Suzan D Pas, Gertine W van Oord, Lucio Gama, Youkyung Choi, Robert A de Man, Andre Boonstra, Thomas Vanwolleghem
Antiviral treatment options for chronic Hepatitis E Virus (HEV) infections are limited and immunological determinants of viral persistence remain largely unexplored. We studied the antiviral potency of pegylated interferon-α (pegIFNα) against HEV infections in humanized mice and modelled intrahepatic interferon stimulated gene (ISG) responses. Human gene expression levels in humanized mouse livers were analyzed by qPCR and Nanostring. Human CXCL10 was measured in mouse serum. HEV genotype 3 (gt3) infections were cleared from liver and feces within 8 pegIFNα doses in all mice and relapsed after a single pegIFNα injection in only half of treated animals...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28799436/immunotherapy-based-approaches-in-myelofibrosis
#2
Lucia Masarova, Srdan Verstovsek, Hagop Kantarjian, Naval Daver
Aberrant regulation of the immune system with up-regulation of pro-inflammatory cytokines contributes to disease pathophysiology in myelofibrosis (MF). Therapeutic options for MF associated anemia, thrombocytopenia, and bone marrow fibrosis remain limited. Areas covered: This review focuses on immune based therapies in MF, including immunomodulatory imide drugs (IMiDs), interferons, monoclonal antibodies and targeted agents (SL-401), and checkpoint inhibitors. Published literature was reviewed using available databases (PubMed, Cochrane, Scopus) and web pages (clinicaltrials...
August 11, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28795238/efficacy-and-safety-of-sofosbuvir-based-interferon-free-therapy-the-management-of-rheumatologic-extrahepatic-manifestations-associated-with-chronic-hepatitis-c%C3%A2-virus-infection
#3
A A Shahin, H S Zayed, M Said, S A Amer
BACKGROUND: The use of pegylated interferon alpha (IFN) has been of concern in chronic hepatitis C virus (HCV) patients with rheumatologic extrahepatic manifestations (EHM) due to the immunostimulatory effects of IFN. AIM: To study the efficacy and safety of sofosbuvir-based, IFN-free antiviral therapy in chronic HCV patients with rheumatologic EHM. MATERIAL AND METHODS: Group A included 24 patients with arthropathy (arthralgia or arthritis, n = 15) or vasculitis (n = 9) who received sofosbuvir and ribavirin (n = 17) or sofosbuvir and simeprevir (n = 7)...
August 9, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28790109/prospective-validation-of-molecular-prognostic-markers-in-cutaneous-melanoma-a-correlative-analysis-of-e1690
#4
Mohammed Kashani-Sabet, Mehdi Nosrati, James Miller, Richard Sagebiel, Stanley Leong, Andrew Lesniak, Schuyler Tong, Sandra Lee, John M Kirkwood
Purpose: To validate the prognostic impact of combined expression levels of three markers (SPP1, RGS1, and NCOA3) in melanoma specimens from patients enrolled in the E1690 clinical trial of high-dose or low-dose interferon alpha-2b (IFN) versus observation. <p>Experimental Design: Tissue was available from 248 patients. Marker expression was determined by digital imaging of immunohistochemically stained slides. The prognostic impact of each marker was first assessed by recording its expression value relative to the median...
August 8, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28774415/new-treatments-to-reach-functional-cure-virological-approaches
#5
REVIEW
David Durantel
Current therapies of chronic hepatitis B (CHB) remain limited to pegylated-interferon-alpha (pegIFN-α) or any of the five approved nucleos(t)ide analogues (NA). If viral suppression can be achieved in the majority of patients with the high-barrier-to-resistance new-generation of NA, i.e. entecavir and tenofovir, HBsAg loss is achieved by PEG-IFN-α and/or NA in only 10% of patients, after a 5-year follow-up. Attempts to improve the response by administering two different NA or a combination of NA and PEG-IFN-α have not provided a dramatic increase in the rate of "functional cure"...
June 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28770872/association-of-interferon-alpha-receptor-1-with-sustained-virological-response-in-hepatitis-c-and-b-co-infected-patients
#6
Maleha Asim, Amir Rashid, Asifa Majeed, Maryam Wahid, Suhail Razak, Aneela Jamil
OBJECTIVE: To determine the association of interferon alpha receptor-1 with success rate of interferon therapy in patients co-infected with hepatitis C virus and hepatitis B virus. METHODS: The study was conducted at the Army Medical College, Rawalpindi, Pakistan, from December 2013 to November 2014, and comprised patients with hepatitis C and hepatitis B co-infection. The patients were treated with pegylated-interferon-2b plus ribavirin therapy for six months. With respect to interferon therapy, patients with undetectable hepatitis C virus-ribonucleic acid along with normal alanine aminotransferase were considered responders and patients with detectable hepatitis C virus-ribonucleic acid at week 48 were considered as non-responders...
July 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28770285/-treatment-of-mycosis-fungoides-and-s%C3%A3-zary-syndrome
#7
REVIEW
J P Nicolay, C Assaf
Adequate therapeutic management of cutaneous T-cell lymphoma (CTCL) requires the identification of the exact CTCL stage and entity within the current WHO classification. There is no curative therapy for CTCL yet, so that treatment currently aims at improving symptoms and quality of life as well as reducing relapse rates. The treatment has to be stage-adapted. Therapeutic options comprise skin-directed as well as systemic treatment. In early stages, phototherapy and local steroids are the first-line therapeutic options...
August 2, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28761743/checkpoint-inhibitors-in-the-treatment-of-urological-malignancies
#8
REVIEW
Lazar S Popovic, Gorana Matovina-Brko, Maja Popovic
Checkpoint inhibitors are monoclonal antibodies attach to several different receptors on T-cells or tumour cells expressing receptors for cytotoxic T-lymphocyte antigen 4 (CTLA-4), programmed death-1 (PD-1) and their ligand (PD-L1). Since 2010, numerous trials on different tumour types have been conducted, which was resulted in these drugs being approved for the treatment of melanoma, lung cancer, Hodgkin's lymphoma and head and neck cancers. Urological cancers, especially urothelial and renal-cell carcinomas, are immunogenic tumours...
2017: ESMO Open
https://www.readbyqxmd.com/read/28752471/calcium-phosphate-particles-as-pulmonary-delivery-system-for-interferon-%C3%AE-in-mice
#9
Tülin Morçöl, Jessica M Weidner, Anand Mehta, Stephen J D Bell, Timothy Block
Systemically administered interferons are rapidly cleared from the circulation thus requiring frequent dosing to maintain the therapeutic levels of circulating interferon. This is particularly problematic for their use in the treatment of chronic diseases. The purpose of this study was to evaluate the potential of proprietary calcium phosphate (CaP) particles to deliver biologically active interferon alpha (IFNα) via the lungs into systemic circulation. Recombinant human IFNα-2a was formulated with proprietary CaP particles...
July 27, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28752368/long-term-follow-up-of-conjunctival-melanoma-treated-with-topical-interferon-alpha-2b-eye-drops-as-adjunctive-therapy-following-surgical-resection
#10
Iku Kikuchi, Satoru Kase, Kan Ishijima, Susumu Ishida
PURPOSE: The purpose of this study was to report the clinical outcomes of patients with conjunctival melanoma treated with interferon (IFN) α-2b eye drops following local tumor resection. METHODS: Five eyes of five patients were enrolled in this study. All patients underwent the local resection of tumors, and topical IFNα-2b eye drops were subsequently administered 4 times/day until the complete disappearance of the pigmented lesions determined by slit-lamp examination...
July 27, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28748542/pediatric-intracerebral-histiocytic-sarcoma-with-rhabdoid-features-case-report-and-literature-review
#11
Young Hye Kim, Gie-Taek Yie, Na Rae Kim, In-Sang Jeon, Hyun Yee Cho, Jae Yeon Seok, Eung Yeop Kim, Kyu Chan Lee
A 16-year-old boy presented with marked weight loss, weakness of the left extremities and dizziness of 2 months duration and vomiting for 2 days. Brain MRI showed an approximately 6.5 × 5.3 cm-sized huge heterogeneous enhancing mass located in the corpus callosum, extending into the lateral ventricle. Open biopsy showed that the lesion consisted of lymphoplasmacytes and plump histiocytes with rhabdoid morphology, which were stained with S-100 protein, CD68 (KP1) and negative for CD1a. Histiocytic tumor was initially diagnosed...
July 27, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28748315/interferon-alpha-treatment-for-disease-control-in-metastatic-pheochromocytoma-paraganglioma-patients
#12
Julien Hadoux, Marie Terroir, Sophie Leboulleux, Frederic Deschamps, Abir Al Ghuzlan, Ségolène Hescot, Lambros Tselikas, Isabelle Borget, Caroline Caramella, Desirée Déandréis, Diane Goere, Thierry De Baere, Martin Schlumberger, Eric Baudin
Interferon-alpha (IFN-alpha) is recommended in neuroendocrine tumors (NET). Malignant pheochromocytoma and paragangliomas (MPPGLs) constitute a rare subgroup of NET with few treatment options. IFN-alpha efficacy in patients with MPPGLs was evaluated in a single-center retrospective study. Progression-free survival (PFS) was the primary endpoint according to RECIST 1.1 and/or PERCIST 1.0, and response rate, safety, and symptomatic efficacy were secondary endpoints. Fourteen patients received peginterferon alfa-2a (90 to 180 μg/week) or interferon alfa-2b (1...
July 26, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28747289/retrospective-evaluation-of-hairy-cell-leukemia-patients-treated-with-3-different-first-line-treatment-modalities-in-the-last-two-decades-a-single-center-experience
#13
Şeniz Öngören, Ahmet Emre Eşkazan, Selin Berk, Tuğrul Elverdi, Ayşe Salihoğlu, Muhlis Cem Ar, Zafer Başlar, Yıldız Aydın, Nükhet Tüzüner, Teoman Soysal
OBJECTIVE: In this study, we retrospectively analysed the clinical outcome, treatment responses, infectious complications and survival rates of seventy-one hairy cell leukemia (HCL) cases. MATERIALS AND METHODS: Sixty-six patients received a first-line treatment, and 2-chlorodeoxyadenosine (cladribine-2-CdA) was administered in thirty-one, nineteen patients received interferon-alpha (INF-α), splenectomy was performed in 16 cases, and rituximab was used in one. RESULTS: Although the highest overall response rate (ORR) was observed in patients receiving upfront 2-CdA, ORRs were comparable in 2-CdA, INF-α, and splenectomy subgroups...
July 27, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28744014/low-burden-tp53-mutations-in-chronic-phase-of-myeloproliferative-neoplasms-association-with-age-hydroxyurea-administration-disease-type-and-jak2-mutational-status
#14
B Kubesova, S Pavlova, J Malcikova, J Kabathova, L Radova, N Tom, B Tichy, K Plevova, B Kantorova, K Fiedorova, M Slavikova, V Bystry, J Kissova, B Gisslinger, H Gisslinger, M Penka, J Mayer, R Kralovics, S Pospisilova, M Doubek
The multistep process of TP53 mutation expansion during myeloproliferative neoplasm (MPN) transformation into acute myeloid leukemia (AML) has been documented retrospectively. It is currently unknown how common TP53 mutations with low variant allele frequency (VAF) are, whether they are linked to hydroxyurea (HU) cytoreduction, and what disease progression risk they carry. Using ultra-deep next-generation sequencing, we examined 254 MPN patients treated with HU, interferon alpha-2a or anagrelide and 85 untreated patients...
July 24, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28743486/targeting-interferon-alpha-to-dendritic-cells-enhances-a-cd8-t-cell-response-to-a-human-cd40-targeted-cancer-vaccine
#15
John P Graham, Pierre Authie, A Karolina Palucka, Gerard Zurawski
Targeting antigens to antigen presenting cells (APC) enhances the potency of recombinant protein CD8(+) T cell vaccines. Recent comparisons of recombinant protein-based dendritic cell (DC) targeting vaccines revealed differences in cross-presentation and identified CD40 as a potent human DC receptor target for antigen cross-presentation. Contrary to in vitro-derived monocyte (mo)DC, we found that interferon-alpha (IFNα) stimulation of human blood-derived DC was necessary for an antigen-specific IFNγ CD8(+) T cell response to a CD40 targeted cancer vaccine...
July 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28740342/hepatitis-c-virus-ns5a-region-mutation-in-chronic-hepatitis-c-genotype-1-patients-who-are-non-responders-to-two-or-more-treatments-and-its-relationship-with-response-to-a-new-treatment
#16
Paloma Muñoz de Rueda, José Manuel Fuentes Rodríguez, Rosa Quiles Pérez, Ana Gila Medina, Ana Belén Martín Álvarez, Jorge Casado Ruíz, Angeles Ruíz Extremera, Javier Salmerón
AIM: To determine the number of mutations in the NS5A region of the hepatitis C virus (HCV) and its relationship to the response to antiviral therapy in patients with chronic hepatitis C genotype 1 who are non-responders to two or more treatments. METHODS: Sequences within HCV NS5A [PKR binding domain (PKRBD) and the interferon-sensitivity-determining region (ISDR)] were analysed via direct sequencing in a selected cohort of 72 patients, with a total of 201 treatments [interferon-alpha (IFN-α), n = 49; IFN-α + ribavirin (RBV), n = 75; pegylated (peg) IFN-α + RBV, n = 47; first-generation direct-acting antivirals (DAAs), n = 13; and second-generation DAAs, n = 17]...
July 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28725493/interferon-alpha-based-immunotherapies-in-the-treatment-of-b-cell-derived-hematologic-neoplasms-in-today-s-treat-to-target-era
#17
REVIEW
Li Zhang, Yu-Tzu Tai, Matthew Zhi Guang Ho, Lugui Qiu, Kenneth C Anderson
B cell lymphoma and multiple myeloma (MM) are the most common hematological malignancies which benefit from therapeutic monoclonal antibodies (mAbs)-based immunotherapies. Despite significant improvement on patient outcome following the use of novel therapies for the past decades, curative treatment is unavailable for the majority of patients. For example, the 5-year survival of MM is currently less than 50%. In the 1980s, interferon-α was used as monotherapy in newly diagnosed or previously treated MM with an overall response rate of 15-20%...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28722363/-erdheim-chester-disease-a-differential-diagnosis-of-retroperitoneal-fibrosis
#18
Raphaël André, Jörg D Seebach
Erdheim-Chester disease is a rare multisystemic non-Langerhans histiocytosis with about 500 reported cases. Typical features include retroperitoneal and perirenal fibrosis (hairy kidney), periaortitis with a coated aorta, osteosclerosis of the lower limbs, and sometimes exophthalmia or diabetes insipidus. Histology is the cornerstone for diagnosis showing an infiltrate with foamy histiocytes and occasional multinucleated giant cells (Touton cells). There is no standard treatment regimen, current options include corticosteroids, interferon alpha, systemic chemotherapy, and radiation therapy ; however, a better understanding of the pathophysiological mechanisms has allowed the emergence of novel targeted treatments such as vemurafenib, imatinib, and anakinra...
April 5, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28711394/exercise-prevents-ifn-%C3%AE-induced-mood-and-cognitive-dysfunction-and-increases-bdnf-expression-in-the-rat
#19
Charlotte K Callaghan, Jennifer Rouine, Shane M O'Mara
Aerobic exercise has marked effects on mood and cognition. Here, we used an interferon-alpha (IFN-α) induced depression model to evaluate the potential efficacy of chronic treadmill running on mood and cognition in the rat. IFN-α treatment induces behavioral deficits in the forced swim test (FST), open field test and object exploration task. Male han Wistar rats (n=8 per group, 3month old) were injected 3 times weekly with recombinant human IFN-α or saline (control) for 4weeks. One group was exercised 3 times (1h treadmill running) per week while the other remained sedentary...
July 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28709686/toxicologic-evaluations-of-recombinant-liver-targeting-interferon-ifn-csp-genotoxicity-and-tegenicratoity
#20
Wenting Zeng, Chunxu Wu, Jie Wang, Lingjie Cao, Xiaobao Jin, Jiayong Zhu, Xuemei Lu
Interferon alpha as the one of FDA recommended drugs for Hepatitis B virus (HBV) infection has many side effects. Targeting IFNα to the liver may be a strategy to increase its efficacy locally and may increase efficacy of IFNα-based therapy of HBV infection. We have prepared a novel liver-targeting fusion interferon (IFN-CSP) combining IFN α2b with plasmodium region I peptide and have revealed it may be an excellent candidate as a liver-targeting anti-HBV agent. In this study, we investigated the genotoxic and teratogenic effects of IFN-CSP...
July 11, 2017: Regulatory Toxicology and Pharmacology: RTP
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