نتایج جستجو برای: protease 2a 2apro
تعداد نتایج: 69407 فیلتر نتایج به سال:
Background & Aim: Human parechovirus is a genus of picornaviruses which includes a number of important viruses of clinical significance. Recent sequence analysis suggests that human parechovirus type 1(HPEV-1) is distinct from other picornaviruses and lacks the motives believed to be involved in the protease function of 2A. The aim of this study was to analyse proteolytic activity of 3C pro...
Poliovirus type 1 strain LS-a [PV1(LS-a)] is a OV variant adapted to mice by multiple passages through mouse and monkey tissues. To investigate the molecular basis underlying mouse neurovirulence of PV1(LS-a), a cDNA of the viral genome containing nucleotides 112 to 7441 was cloned, and the nucleotide sequence was determined. Compared with that of the mouse avirulent progenitor PV1(Mahoney), 54...
Drug discovery and design for inhibition of the Hepatitis C Virus (HCV) NS3/4A serine protease is a major challenge. The broad, shallow, and generally featureless nature of the active site makes it a difficult target for "hit" selection especially using standard docking programs. There are several macrocyclic NS3/4A protease inhibitors that have been approved or are in clinical trials to treat ...
In the TMC435-C101 study, 6 patients infected with hepatitis C virus genotype 1 were treated with the protease inhibitor TMC435 (200 mg once daily) as monotherapy for 5 days. Approximately 1.5 years later, 5 of these patients were re-treated with TMC435 (200 mg once daily) plus pegylated interferon alfa-2a and ribavirin (PegIFNα-2a and RBV) for 4 weeks, followed by PegIFNα-2a and RBV until week...
The foot-and-mouth disease virus (FMDV) capsid precursor, P1-2A, is cleaved by FMDV 3C protease to yield VP0, VP3, VP1 and 2A. Cleavage of the VP1/2A junction is the slowest. Serotype O FMDVs with uncleaved VP1-2A (having a K210E substitution in VP1; at position P2 in cleavage site) have been described previously and acquired a second site substitution (VP1 E83K) during virus rescue. Furthermor...
The poliovirus (PV)-induced cytopathic effect (CPE) was blocked in neural cells but not in HeLa cells by the addition of monoclonal antibody (MAb) against PV or the human PV receptor (CD155) 2 h postinfection (hpi). Since each MAb has the ability to block viral infection, no CPE in PV-infected neural cells appeared to result from the blockade of multiple rounds of viral replication. Pulse-label...
OBJECTIVES Human enterovirus 71 (EV-71), a member of the Enterovirus genus, constitutes a major public health issue in the Asia-Pacific region, where it is associated with several severe neurological complications. There is currently no effective vaccine or antiviral against EV-71. The aim of this study was to determine whether the six amino acid peptide LVLQTM, which was previously shown to in...
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