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排序方式: 共有118条查询结果,搜索用时 15 毫秒
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Pereboev A Borisevich V Tsuladze G Shakhmatov M Hudman D Kazachinskaia E Razumov I Svyatchenko V Loktev V Yamshchikov V 《Antiviral research》2008,77(1):6-13
Gene-based delivery of recombinant antibody genes is a promising therapeutic strategy offering numerous advantages including sustained antibody levels, better safety profile and lower production cost. Here we describe generation of a recombinant antibody Fc-9E2 comprising a fusion protein between human Fc of IgG1 and a single-chain Fv derived from a hybridoma 9E2 secreting a mAb neutralizing West Nile virus (WNV). Fc-9E2 was shown to retain parental mAb's specificity and WNV-neutralizing capacity. Adenovirus-mediated in vivo delivery of the antibody gene resulted in sustained Fc-9E2 serum levels leading to abrogation of lethal WNV infection in an animal model. 相似文献
93.
Alina Robu Aurora Antoniac Elena Grosu Eugeniu Vasile Anca Daniela Raiciu Florin Iordache Vasile Iulian Antoniac Julietta V. Rau Viktoriya G. Yankova Lia Mara Ditu Vicentiu Saceleanu 《Materials》2021,14(22)
PMMA bone cements are mainly used to fix implanted prostheses and are introduced as a fluid mixture, which hardens over time. The problem of infected prosthesis could be solved due to the development of some new antibacterial bone cements. In this paper, we show the results obtained to develop four different modified PMMA bone cements by using antimicrobial additives, such as gentamicin, peppermint oil incorporated in hydroxyapatite, and silver nanoparticles incorporated in a ceramic glass matrix (2 and 4%). The structure and morphology of the modified bone cements were investigated by SEM and EDS. We perform experimental measurements on wettability, hydration degree, and degradation degree after immersion in simulated body fluid. The cytotoxicity was evaluated by MTT assay using the human MG-63 cell line. Antimicrobial properties were checked against standard strains Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans. The addition of antimicrobial agents did not significantly affect the hydration and degradation degree. In terms of biocompatibility assessed by the MTT test, all experimental PMMA bone cements are biocompatible. The performance of bone cements with peppermint essential oil and silver nanoparticles against these two pathogens suggests that these antibacterial additives look promising to be used in clinical practice against bacterial infection. 相似文献
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Nikolay V. Tsygan Alexandr P. Trashkov Igor V. Litvinenko Viktoriya A. Yakovleva Alexandr V. Ryabtsev Andrey G. Vasiliev Leonid P. Churilov 《Frontiers of medicine.》2019,13(4):420
This article presents a synopsis of the current data on the mechanisms of blood--brain barrier (BBB) alteration and autoimmune response in acute ischemic stroke. Most researchers confirm the relationship between the severity of immunobiochemical changes and clinical outcome of acute ischemic stroke. Ischemic stroke is accompanied by aseptic inflammation, which alters the brain tissue and exposes the co-stimulatory molecules of the immune system and the neuronal antigens. To date, BBB is not considered the border between the immune system and central nervous system, and the local immune subsystems are found within and behind the BBB. BBB disruption contributes to the leakage of brain autoantigens and induction of secondary autoimmune response to neuronal antigens and long-term inflammation. Glymphatic system function is altered and jeopardized both in hemorrhagic and ischemic stroke types. The receptors of innate immunity (toll-like receptor-2 and toll-like receptor-4) are also involved in acute ischemia--reperfusion injury. Immune response is related to the key processes of blood clotting and fibrinolysis. At the same time, the stroke-induced immune activation may promote reparation phenomena in the brain. Subsequent research on the reduction of the acute ischemic brain injury through the target regulation of the immune response is promising. 相似文献
96.
Kieron BL Lim Hamid R Sima M Isabel Fiel Viktoriya Khaitova John T Doucette Maria Chernyiak Jawad Ahmad Nancy Bach Charissa Chang Priya Grewal Leona Kim-Schluger Lawrence Liu Joseph Odin Ponni Perumalswami Sander S Florman Thomas D Schiano 《World journal of gastroenterology : WJG》2015,21(20):6236-6245
AIM: To describe our experience using a low-acceleratingdose regimen(LADR) with pegylated interferon alpha-2a and ribavirin in treatment of hepatitis C virus(HCV) recurrence. METHODS: From 2003, a protocolized LADR strategy was employed to treat liver transplant(LT) recipients with recurrent HCV at our institution. Medical records of 182 adult patients with recurrent HCV treated with LADR between 1/2003 and 1/2011 were reviewed. Histopathology from all post-LT liver biopsies were reviewed in a blinded fashion. Paired recipient and donor IL28 B status were assessed. A novel technique was employed to ascertain recipient and donor IL28B(rs12979860) Gt data using DNA extracted from archival FFPE tissue from explanted native livers and donor gallbladders respectively. The primary endpoint was SVR; secondary endpoints examined include(1) patient and graft survival;(2) effect of anti-viral therapy on liver histology(fibrosis and inflammation);(3) incidence of on-treatment development of ACR, CDR, or PCH;(4) association of recipient and donor IL28 B genotype with SVR; and(5) incidence of antiviral therapy-associated adverse events(anemia, leukopenia, thrombocytopenia, depression) and hepatic decompensation.RESULTS: The overall SVR rate was 38%(29% Gt1, 67% Gt2, 86% Gt3 and 58% Gt4). HCV Gt(P 0.0001), donor age(P = 0.003), cytomegalovirus mismatch(P = 0.001), baseline serum bilirubin(P = 0.002), and baseline viral load(P = 0.04) were independent predictors for SVR. SVR rates were significantly higher in the recipient-CC/donor-non CC pairs(P = 0.007). Neither baseline fibrosis nor change in fibrosis stage after anti-viral therapy were associated with SVR. Fibrosis progressed in 72% of patients despite SVR. Median graft survival was 91 mo. Five-year patient survival was superior in patients who achieved SVR(97% vs 82%, P = 0.001). Pre-treatment ALP ≥ 150 U/L(P = 0.01), total bilirubin ≥ 1.5 mg/d L(P = 0.001) and creatinine ≥ 2 mg/d L(P = 0.001) were independently associated with patient survival. Only 13% of patients achieving SVR died during the followup period. Treatment discontinuation and treatmentrelated mortality occurred in 35% and 2.2% of patients, respectively. EPO, G-CSF and blood transfusion were needed in 89%, 40% and 23% of patients, respectively. Overall hospitalization rate for treatment-related serious adverse events was 21%. Forty-six(25%) of the patients were deceased; among those who died, 25(54%) were due to liver-related complications, and 4 deaths(9%) occurred while receiving therapy(2 patients experienced hepatic decompensation and 2 sepsis). CONCLUSION: LADR strategy remains relevant in managing post-LT recurrent HCV where access to DAAs is limited. SVR is associated with improved survival, but fibrosis progression still occurs. 相似文献
97.
Imane El Dika Jinru Shia Carol L. Chen Viktoriya Paroder Alan Carver Ali Shamseddine Deborah Mukherji Bhawna Sirohi Precious Takondwa Makondi Clara Asseily Charbel F. Matar Rawad Elias Emily Slater Marlon Steven Rosenbaum Rekha Paramesawaran William Breitbart Ghassan K. Abou-Alfa 《Journal of gastrointestinal oncology.》2022,13(6):3321
98.
Onorina Berardicurti Piero Ruscitti Viktoriya Pavlych Alessandro Conforti Roberto Giacomelli Paola Cipriani 《Expert review of clinical pharmacology》2020,13(6):593-604
ABSTRACT
Introduction
Glucocorticoids (GCs) are key actors in RA management, despite the increasing number of available drugs. In fact, due to their efficacy and safety, the combination therapy between GCs and conventional synthetic disease-modifying anti-rheumatic drugs (csDMARDs) is still recommended in the early phase of RA treatment, because improving the long-term results. 相似文献99.
100.