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https://www.readbyqxmd.com/read/28895871/type-i-interferons-in-the-pathogenesis-and-treatment-of-canine-diseases
#1
REVIEW
Daniela Klotz, Wolfgang Baumgärtner, Ingo Gerhauser
Type I interferons (IFNs) such as IFN-α, IFN-β, IFN-ε, IFN-κ, and IFN-ω represent cytokines, which are deeply involved in the regulation and activation of innate and adaptive immune responses. They possess strong antiviral, antiproliferative, and immunomodulatory activities allowing their use in the therapy of different viral diseases, neoplasms, and immune-mediated disorders, respectively. Initially, treatment strategies were based on nonspecific inducers of type I IFNs, which were soon replaced by different recombinant proteins...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28689585/rheumatologic-manifestations-of-hepatitis-c-virus-infection
#2
REVIEW
Patrice Cacoub, Cloé Comarmond, Anne Claire Desbois, David Saadoun
Hepatitis C virus (HCV) infection is associated with a morbidity and mortality due to liver complications. HCV infection is also frequently associated with rheumatic disorders, such as arthralgia, myalgia, cryoglobulinemia vasculitis, and sicca syndrome, as well as the production of autoantibodies. The treatment of HCV infection with interferon alpha (IFN) has been contraindicated for a long time in many rheumatologic autoimmune/inflammatory disorders. New oral IFN-free combinations offer an opportunity for HCV-infected patients with extrahepatic manifestations, including rheumatologic autoimmune/inflammatory disorders, to be cured with a short treatment duration and a low risk of side effects...
August 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28521845/hiv-infected-individuals-on-long-term-antiretroviral-therapy-are-at-higher-risk-for-ocular-disease
#3
E Schaftenaar, N S Khosa, G S Baarsma, C Meenken, J A McINTYRE, A D M E Osterhaus, G M G M Verjans, R P H Peters
Introduction of antiretroviral therapy (ART) has dramatically reduced the incidence of infectious ocular diseases in human immunodeficiency virus (HIV)-infected individuals. However, the effects of long-term ART and chronic HIV infection on the eye are ill-defined. This study determined the occurrence and severity of ocular diseases among 342 participants in a rural South African setting: HIV-naïve (n = 105), HIV-infected ART-naïve (n = 16), HIV-infected on ART for 36 months (long-term ART; n = 165). More HIV-infected participants presented with an external eye condition, in particular blepharitis, than HIV-naïve individuals (18% vs...
September 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28507447/managing-refractory-cryoglobulinemic-vasculitis-challenges-and-solutions
#4
REVIEW
Predrag Ostojic, Ivan R Jeremic
Cryoglobulinemia is thought to be a rare condition. It may be an isolated disorder or secondary to a particular disease. According to immunoglobulin composition, cryoglobulinemia is classified into three types. In mixed cryoglobulinemia (types II and III), vascular deposition of cryoglobulin-containing immune complexes and complement may induce a clinical syndrome, characterized by systemic vasculitis and inflammation - cryoglobulinemic vasculitis (CryoVas). Most common clinical manifestations in CryoVas are skin lesions (orthostatic purpura and ulcers), weakness, peripheral neuropathy, Raynaud's phenomenon, sicca syndrome, membranoproliferative glomerulonephritis, and arthralgia and seldom arthritis...
2017: Journal of Inflammation Research
https://www.readbyqxmd.com/read/28263674/human-t-cell-leukemia-virus-type-1-and-eye-diseases
#5
REVIEW
Yukiko Terada, Koju Kamoi, Takashi Komizo, Kazunori Miyata, Manabu Mochizuki
Human T cell leukemia virus type 1, also known as human T lymphotropic virus type 1 (HTLV-1), is a retrovirus that encodes a reverse transcriptase, which translates viral RNA into a DNA provirus that is integrated into the host genome. The virus was found to be a causative agent of adult T cell leukemia/lymphoma (ATL) in the early 1980s, and was also found to cause the neurological disorder tropical spastic paraparesis (TSP)/HTLV-1-associated myelopathy (HAM) and the inflammatory disorder HTLV-1 uveitis in the mid 1980s and early 1990s, respectively...
May 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28149646/vasculitic-syndromes-in-hepatitis-c-virus-a-review
#6
REVIEW
Gaafar Ragab, Mohamed A Hussein
Vasculitis is a remarkable presentation of the extrahepatic manifestations of HCV. According to the presence or absence of cryoglobulins it is subdivided into two main types: cryoglobulinemic vasculitis and non cryoglobulinemic vasculitis based on the attribution of vasculitis to serum cryoglobulins as a pathogenic factor. The attribution of cryoglobulinemia to HCV represents a success story in the history of immunology, microbiology, and clinical medicine. HCV can bind to and invade lymphocytes, consequently triggering an immune response through different mechanisms...
March 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28149645/new-insights-into-hcv-related-rheumatologic-disorders-a-review
#7
REVIEW
Patrice Cacoub, Cloé Comarmond
Hepatitis C virus (HCV) infected patients are known to be exposed to major liver complications i.e. cirrhosis and hepatocellular carcinoma. In addition, many extrahepatic manifestations including rheumatologic disorders have been reported in up to two-third of HCV infected patients. These manifestations include frank auto-immune and rheumatic diseases (such as arthralgia, myalgia, arthritis, sicca syndrome and vasculitis) which may dominate the course of infection. Until recently, the standard of care of HCV has been the use of interferon-alpha based regimens, which not only had limited effectiveness in HCV cure but were poorly tolerated...
March 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28098109/visceral-leishmaniasis-in-adults-with-nephropathy
#8
H Kaaroud El Jeri, A Harzallah, S Barbouch, M M Bacha, R Kheder, S Turki, S Trabelsi, E Abderrahim, F Ben Hamida, T Ben Abdallah
The aim of this study is to evaluate the features of visceral leishmaniasis (VL) in adults with nephropathy, who were not infected with the human immunodeficiency virus. This is a retrospective study of 14 adults hospitalized between 2000 and 2014, with VL and renal involvement. Clinical, biological, and therapeutic data were collected from the patients' medical files. Eleven women and three men, most of whom were from the North of the country, with a mean age of 40.5 years were studied. Lupus was present in five cases, the Sicca syndrome in three cases, diabetes in one case, renal failure on dialysis in two cases, and there were three renal transplant recipients...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27890169/hepatitis-c-virus-infection-and-rheumatic-diseases-the-impact-of-direct-acting-antiviral-agents
#9
REVIEW
Patrice Cacoub, Cloé Commarmond, David Sadoun, Anne Claire Desbois
Chronic hepatitis C virus (HCV) infection is associated with liver and extrahepatic complications, including B-cell lymphoma, cardiovascular and kidney diseases, glucose metabolism impairment and rheumatic conditions ie, arthralgia, myalgia, cryoglobulinemia vasculitis, sicca syndrome and the production of autoantibodies. The treatment has long been based on interferon alpha (IFN) that was found poorly effective, and contraindicated in many autoimmune/inflammatory disorders because of possible exacerbation of rheumatic disorders...
February 2017: Rheumatic Diseases Clinics of North America
https://www.readbyqxmd.com/read/27723989/-extrahepatic-manifestations-of-hcv-infection
#10
Petr Husa
Extrahepatic manifestations of hepatitis C virus infection (HCV) are very common. The most common of these is mixed cryoglobulinaemia. Anti-HCV antibodies and viral ribonucleic acid, HCV RNA, can be found in the cryoprecipitates, together with the rheumatoid factor. Cryoglobulins consist of a complex of immunoglobulins that in vitro precipitate upon the cooling bellow the human body temperature. Vasculitis is caused by the deposition of such immune complexes in the small blood vessels. A link with the HCV infection is considered to be established with membranoproliferative glomerulonephritis, leukocytoclastic vasculitis, lymphoproliferative disorders (in particular B cell lymphoma), Sjögren and sicca syndrome, lichen planus, porfyria cutanea tarda and diabetes mellitus...
December 0: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27640316/international-diagnostic-guidelines-for-patients-with-hcv-related-extrahepatic-manifestations-a-multidisciplinary-expert-statement
#11
REVIEW
Clodoveo Ferri, Manuel Ramos-Casals, Anna Linda Zignego, Luca Arcaini, Dario Roccatello, Alessandro Antonelli, David Saadoun, Anne Claire Desbois, Marco Sebastiani, Milvia Casato, Peter Lamprecht, Alessandra Mangia, Athanasios G Tzioufas, Zobair M Younossi, Patrice Cacoub
Hepatitis C virus (HCV) infection is responsible for both hepatic and extra-hepatic disorders (HCV-EHDs); these latter are correlated on one hand clearly with HCV lymphotropism causing immune-system dysregulation as well as with viral oncogenic potential, and on the other hand probably with chronic inflammatory status causing cardio-metabolic complications as well as neurocognitive disturbances. The spectrum of HCV-EHDs ranges from mild or moderate manifestations, such as arthralgia, sicca syndrome, peripheral neuropathy, to severe, life-threatening complications, mainly vasculitis and neoplastic conditions...
December 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/26819509/rheumatic-manifestations-of-hepatitis-c-virus-chronic-infection-indications-for-a-correct-diagnosis
#12
REVIEW
Carlo Palazzi, Emilio D'Amico, Salvatore D'Angelo, Michele Gilio, Ignazio Olivieri
Hepatitis C virus (HCV) is a hepato- and lymphotropic agent that is able to induce several autoimmune rheumatic disorders: vasculitis, sicca syndrome, arthralgias/arthritis and fibromyalgia. The severity of clinical manifestations is variable and sometimes life-threatening. HCV infection can mimic many primitive rheumatic diseases, therefore, it is mandatory to distinguish HCV-related manifestations from primitive ones because the prognosis and therapeutic strategies can be fairly dissimilar. The new direct-acting antivirals drugs can help to avoid the well-known risks of worsening or new onset of autoimmune diseases during the traditional interferon-based therapies...
January 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/26343108/hcv-related-rheumatic-manifestations-and-therapeutic-strategies
#13
Marco Sebastiani, Dilia Giuggioli, Michele Colaci, Poupak Fallahi, Laura Gragnani, Alessandro Antonelli, Anna Linda Zignego, Clodoveo Ferri
A number of hepatic and extra-hepatic autoimmune disorders may complicate a percentage of patients with hepatitis C virus (HCV) infection that is both hepatotropic and lymphotropic agent; the resulting clinical phenotypes can be grouped into the so-called HCV syndrome. This latter includes various rheumatic disorders that are frequently characterized by clinical or serological overlap; thus, a correct patients' classification is necessary prior to decide the therapy. The management of these conditions is particularly difficult, given the coexistence of viral infection and immunological alterations...
September 6, 2015: Current Drug Targets
https://www.readbyqxmd.com/read/26284256/neisseria-sicca-endocarditis-presenting-as-multiple-embolic-brain-infarcts
#14
Christine Kirlew, Kobina Wilmot, Jorge L Salinas
A 58 year old male presented with a 14 day history of progressive forgetfulness and aggressiveness. He had a history of human immunodeficiency virus infection, ischemic cardiomyopathy, and a myxomatous mitral valve (status post Saint Jude's mitral valve replacement 8 years before presentation). International normalized ratio was supra-therapeatutic on admission. A non-contrast computed tomography of the brain indicated multiple infarcts with hemorrhagic conversion. The source was later found to be a rare case of Neisseria sicca endocarditis...
September 2015: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/26208812/extrahepatic-manifestations-of-hepatitis-c-infection-navigating-chasm
#15
REVIEW
Amy C Sherman, Kenneth E Sherman
This article describes the importance of extrahepatic systemic manifestations of chronic hepatitis C virus (HCV) infection. While most HCV literature focuses on liver injury and fibrosis progression, a spectrum of systemic disease processes, collectively called C hepatitis-associated systemic manifestations (CHASMs), are present in a high proportion of infected persons. These include thyroid disease (Hashimoto's thyroiditis, Graves disease, and thyroid cancer), cardiovascular disease (atherosclerosis, carotid artery disease, and coronary artery disease), renal disease (MPGN and glomerulosclerosis), eye disease (Mooren's ulcers and sicca syndrome), skin disease (PCT, vasculitis, and lichen planus), lymphomas (NHL and splenic T-cell), and diabetes...
September 2015: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/25848147/sicca-syndrome-and-dementia-in-a-patient-with-hepatitis-c-infection-a-case-report-with-unusual-bifocal-extrahepatic-manifestations
#16
R H Khonsari, S Maylin, P Nicol, M Martinot-Peignoux, A Créange, C Duyckaerts, C Bertolus
INTRODUCTION: Hepatitis C virus (HCV) infections are associated with extrahepatic manifestations in 40-75 % of cases. Sialitis and secondary Sjögren syndrome are well characterized complications of chronic HCV infections but the mechanisms (primary or secondary) leading to xerostomia are not understood. Similarly, brain lesions due to HCV can be primary or secondary but the pathology of primary HCV-related brain lesions is not well described. CASE REPORT: We report the postmortem case of a 60-year old patient initially presenting with sicca syndrome and dementia...
March 2015: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/25755502/hepatotropic-viral-infection-associated-systemic-vasculitides-hepatitis-b-virus-associated-polyarteritis-nodosa-and-hepatitis-c-virus-associated-cryoglobulinemic-vasculitis
#17
REVIEW
Aman Sharma, Kusum Sharma
Two hepatotropic viruses have been shown to have causal relationship with systemic vasculitis-hepatitis B with classical polyarteritis nodosa and hepatitis C with cryoglobulinemic vasculitis. The present paper provides an updated overview on the clinical presentations and management of these vasculitides. HBV associated PAN patients have higher weight loss, peripheral neuropathy, mononeuritis multiplex, abdominal pain, gastrointestinal manifestations requiring surgery, cardiomyopathy, orchitis, hypertension, and/or elevated transaminase levels...
September 2013: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/25533738/magnetic-resonance-sialography-of-the-parotid-glands-in-chronic-hepatitis-c-virus-patients-with-and-without-vasculitis
#18
Amira A Shahin, Hanan Hussein, Wafaa Gaber, Tamer Elbaz, Lamia A Salah El Din
AIM: Hepatitis C virus (HCV) is sialotropic. The pathogenesis of sicca manifestations in patients with chronic HCV infection is not fully understood. We aimed to detect changes in magnetic resonance sialography (MRS) of HCV patients with and without vasculitis. METHOD: We studied 32 HCV patients (19 female, mean age 48.8 ± 10.3 years) and 20 age- and gender-matched healthy controls. Half of the patients had vasculitis. Demographic, clinical and serological data were prospectively evaluated...
March 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/25340658/a-case-of-hiv-associated-diffuse-infiltrative-lymphocytosis-syndrome-simulating-primary-sj%C3%A3-gren-syndrome-and-balt-lymphoma
#19
João Rovisco, Tânia Santiago, Luís Inês
Diffuse infiltrative lymphocytic syndrome is a clinical identity that can be part of the spectrum of Human Immunodeficiency Virus infection. It is characterized by sicca symptoms, parotid and lachrymal enlargement and extra-articular manifestations. We report the case of a 60 years old woman with clinical sicca syndrome in association with leukopenia, positive anti-nuclear antibody (ANA) and polyclonal hypergammaglobulinemia. In the follow up the patient developed a mucosa-associated lymphoid tissue pulmonary neoplasm...
January 2015: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/25340428/inflammatory-manifestations-of-htlv-1-and-their-therapeutic-options
#20
REVIEW
Fabiola Martin, Graham P Taylor, Steven Jacobson
Human T lymphotropic virus type 1 (HTLV-1) is one of the most intriguing retroviruses infecting humans. Most commonly, infection remains undetected, since it does not cause obvious harm, yet in 4-9% of patients, this infection can be devastating, causing adult T-cell leukemia/lymphoma and/or HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP). This review concentrates on all inflammatory aspects of HTLV-1 infection: HAM/TSP, HTLV-1 associated uveitis, HTLV-1 associated conjunctivitis, sicca syndrome and interstitial keratitis, HTLV-1 associated Sjögren's syndrome, Hashimoto's thyroiditis and Graves' disease, HTLV-1 associated pulmonary disease, infective dermatitis associated with HTLV-1, HTLV-1 associated inflammatory myositis and HTLV-1 associated arthritis...
November 2014: Expert Review of Clinical Immunology
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