Miguel Ángel Martínez

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Bonaventura Clotet71
Luis Menéndez-Arias40
Esteban Domingo37
Mariona Parera28
Sandra Franco26
70Bonaventura Clotet
66Esteban Domingo
38Luis Menéndez-Arias
28Mariona Parera
28Francisco Sobrino

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2016
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A single amino acid substitution affects multiple overlapping epitopes in the major antigenic site of foot-and-mouth disease virus of serotype C.
Neutralizing monoclonal antibodies (nMAbs) elicited against foot-and-mouth disease virus (FMDV) of serotype C were assayed with field isolates and variant FMDVs using several immunoassays. Of a total of 36 nMAbs tested, 23 recognized capsid protein VP1 and distinguished at least 13 virion conformation-independent epitopes involved in neutralization of FMDV… (More)
Why lateral meniscectomy is more dangerous than medial meniscectomy. A finite element study.
Total meniscectomies are commonly thought to cause progressive degenerative arthrosis pathology in articular cartilage in a period of a few years because of alteration of the biomechanical environment including increased joint instability. This concern has lead to a preference for partial meniscectomies, although lateral partial meniscectomies sometimes… (More)
Complete nucleotide sequence of genotype 4 hepatitis C viruses isolated from patients co-infected with human immunodeficiency virus type 1.
The hepatitis C virus (HCV) genotype 4 is spreading among southern European intravenous drug users, who are frequently co-infected with human immunodeficiency virus type 1 (HIV-1). Response to interferon (IFN) alpha-based therapies in HIV-1 positive patients co-infected with HCV genotype 4 is poor, similar to that obtained for HCV genotype 1 and much lower… (More)
Role of a dipeptide insertion between codons 69 and 70 of HIV-1 reverse transcriptase in the mechanism of AZT resistance.
The 3'-azido-3'-deoxythymidine (AZT)-resistant pheno type of a heavily mutated human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) carrying a dipeptide (Ser-Ser) insertion between codons 69 and 70 as well as other mutations related to resistance to RT inhibitors has been studied. Recombinant virus carrying this variant RT (termed SS RT)… (More)
A cloud-compatible bioinformatics pipeline for ultrarapid pathogen identification from next-generation sequencing of clinical samples.
Unbiased next-generation sequencing (NGS) approaches enable comprehensive pathogen detection in the clinical microbiology laboratory and have numerous applications for public health surveillance, outbreak investigation, and the diagnosis of infectious diseases. However, practical deployment of the technology is hindered by the bioinformatics challenge of… (More)
Suppression of chemokine receptor expression by RNA interference allows for inhibition of HIV-1 replication.
OBJECTIVES Duplexes of 21 base pair RNA, known as short-interfering RNA (siRNA), have been shown to inhibit gene expression by a sequence-specific RNA degradation mechanism termed RNA interference (RNAi). The objective of our study was to evaluate the effect of chemokine receptor gene suppression by RNAi on the entry and replication of HIV-1. METHODS A… (More)
Evolution subverting essentiality: dispensability of the cell attachment Arg-Gly-Asp motif in multiply passaged foot-and-mouth disease virus.
Aphthoviruses use a conserved Arg-Gly-Asp triplet for attachment to host cells and this motif is believed to be essential for virus viability. Here we report that this triplet-which is also a widespread motif involved in cell-to-cell adhesion-can become dispensable upon short-term evolution of the virus harboring it. Foot-and-mouth disease virus (FMDV),… (More)
No detection of the NS5B S282T mutation in treatment-naïve genotype 1 HCV/HIV-1 coinfected patients using deep sequencing.
BACKGROUND The S282T mutation is the main variant described associated with resistance to nucleos(t)ide analogues hepatitis C virus (HCV) NS5B polymerase inhibitors. OBJECTIVE We aimed here to investigate whether this substitution pre-existed in treatment naive HCV/HIV-1 coinfected patients. STUDY DESIGN NS5B polymerase deep sequencing was performed at… (More)
Evolution of the capsid protein genes of foot-and-mouth disease virus: antigenic variation without accumulation of amino acid substitutions over six decades.
The genetic diversification of foot-and-mouth disease virus (FMDV) of serotype C over a 6-decade period was studied by comparing nucleotide sequences of the capsid protein-coding regions of viruses isolated in Europe, South America, and The Philippines. Phylogenetic trees were derived for VP1 and P1 (VP1, VP2, VP3, and VP4) RNAs by using the least-squares… (More)
Early HCV dynamics on Peg-interferon and ribavirin in HIV/HCV co-infection: indications for the investigation of new treatment approaches.
OBJECTIVES To describe the 28-day hepatitis C virus (HCV) kinetics under Pegylated-interferon (Peg-IFN) + ribavirin (RBV) therapy in HIV/HCV co-infected patients. To evaluate the predictive value of early virological response (EVR) of achieving a sustained virological response (SVR). To investigate the baseline mutations in the interferon sensitivity… (More)