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See detailSchmallenberg virus: a new Shamonda/Sathuperi-like virus on the rise in Europe
Garigliany, Mutien-Marie ULg; Bayrou, Calixte ULg; Kleijnen, Déborah ULg et al

in Antiviral Research (2012), 95

In the summer-fall of 2011, a nonspecific febrile syndrome characterized by hyperthermia, drop in milk production and watery diarrhea was reported in adult dairy cows from a series of farms located in ... [more ▼]

In the summer-fall of 2011, a nonspecific febrile syndrome characterized by hyperthermia, drop in milk production and watery diarrhea was reported in adult dairy cows from a series of farms located in North-West Europe. Further, in November 2011, an enzootic outbreak of abortion, stillbirth and birth at term of lambs, kids and calves with neurologic signs and/or head, spine or limb malformations emerged throughout several European countries. Both syndromes were associated with the presence in the blood (adults) or in the central nervous system (newborns) of the genome of a new Shamonda-like orthobunyavirus provisionally named Schmallenberg virus after the place where the first positive samples were collected. The clinical, pathological, virological and epidemiological facts that were made publicly available during the first 6 months after the emergence are presented here. Current knowledge of the epidemiology of the phylogenetically closest relatives of the newcomer (Shamonda, Aino and Akabane viruses) is not exhaustive enough to predict whether the current outbreak of Schmallenberg virus is the prelude to endemicity or to a 2 years long outbreak before the infection burns out when serologically naïve animals are no longer available. In the future, cyclic epizootic reemergences are a possibility too, either synchronized with a global decrease of herd immunity or due to antigenic variants escaping the immunity acquired against their predecessors. The latter hypothesis seems unlikely because of the wide array of biologic constraints acting on the genome of viruses whose life cycle requires transmission by a vector, which represses genetic drift. The remarkable stability of the Shamonda virus genome over the last forty years is reassuring in this regard. [less ▲]

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See detailCidofovir is effective against caprine herpesvirus 1 infection in goats
Tempesta, M.; Camero, M.; Bellacicco, A. L. et al

in Antiviral Research (2007), 74(2), 138-141

Caprine herpesvirus 1 (CpHV-1) is a virus able to cause genital infection leading to vulvovaginitis or balanoposthitis in adult goats. CpHV-1 shares several biological similarities with herpes simplex ... [more ▼]

Caprine herpesvirus 1 (CpHV-1) is a virus able to cause genital infection leading to vulvovaginitis or balanoposthitis in adult goats. CpHV-1 shares several biological similarities with herpes simplex type 2 (HSV-2) infection in man, such as genital tropism, type and site of typical lesions and it might provide an animal model for studies on antiviral drugs for HSV-2 infection in man. In this view the efficacy of cidofovir (CDV) drug was tested in six goats intravaginally infected with BA. 1 strain of CpHV-1. Three goats received an intravaginal application of 3 ml of a 1% CDV preparation at 4 h post infection and then every 12 h for five consecutive days. Three goats were kept as untreated controls. The goats were daily examined for clinical evidence of the infection and viral shedding. CDV was able to protect against disease progression and inhibited the onset of the local lesions due to the CpHV-1 replication. Treated animals shed virus for a shorter period (3 days less) and at lower titres than the control animals. CpHV-1 infection in goats may represent an excellent animal model for the study of novel strategies for the treatment of primary genital HSV-2 infection in man. (c) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailThe Acyclic Nucleoside Phosphonate Analogues, Adefovir, Tenofovir And Pmedap, Efficiently Eliminate Banana Streak Virus From Banana (Musa Spp.)
Helliot, B.; Panis, B.; Frison, E. et al

in Antiviral Research (2003), 59(2), 121-126

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See detailAssessment of pain in herpes zoster: lessons learned from antiviral trials
Dworkin, R. H.; Carrington, D.; Cunningham, A. et al

in Antiviral Research (1997), 33(2), 73-85

Pain typically accompanies acute herpes zoster and, in a proportion of patients, it persists well beyond rash healing. Pain must therefore be analyzed in trials of antiviral agents in herpes zoster, but ... [more ▼]

Pain typically accompanies acute herpes zoster and, in a proportion of patients, it persists well beyond rash healing. Pain must therefore be analyzed in trials of antiviral agents in herpes zoster, but different methods have been used to analyze pain in recent published trials. These reports are reviewed and their methodological strengths and weaknesses examined. Based on this review, recommendations for the design and analysis of future trials of antiviral agents in herpes zoster are proposed. The principal recommendation is that antiviral efficacy should be evaluated both by distinguishing post-herpetic neuralgia from acute pain and by considering pain as a continuum. The primary endpoint should address both the prevalence and duration of post-herpetic neuralgia and should be examined in those patients who have post-herpetic neuralgia. Adopting the proposed recommendations in design and analysis of future trials should facilitate comparison across trials of the efficacy of antiviral agents in the treatment of herpes zoster. [less ▲]

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See detailRelationship between structural properties and affinity for herpes simplex virus type 1 thymidine kinase of bromine substituted 5-heteroaromatic 2'-deoxyuridines
Creuven, Isabelle; Evrard, Christine ULg; Olivier, Anne et al

in Antiviral Research (1996), 30

The crystal structures of 5-(5-furan-2-yl)-2'-deoxyuridine (II), 5-(5-bromofuran-2-yl)-2' deoxyuridine (IV) and 5-(3-bromothien-2-yl)-2'-deoxyuridine (V) have been studied in order to explain the ... [more ▼]

The crystal structures of 5-(5-furan-2-yl)-2'-deoxyuridine (II), 5-(5-bromofuran-2-yl)-2' deoxyuridine (IV) and 5-(3-bromothien-2-yl)-2'-deoxyuridine (V) have been studied in order to explain the different affinity of the compounds for the herpes simplex virus type 1 (HSV-1) thymidine kinase. These compounds present a variable affinity according to the position of the heteroatom substituting the five-membered ring. An unfavourable substitution in the five-membered ring for interaction with the HSV-1 thymidine kinase has been identified. [less ▲]

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See detailStereoelectronic properties of five anti-HSV-1 2′-deoxynucleosides analogues with heterocyclic substituents in the 5-position: A comparison with BVDU
Olivier, Anne; Creuven, Isabelle; Evrard, Christine ULg et al

in Antiviral Research (1994), 24

Structural and electronic characteristics of 5-(5-chlorothien-2-yl)-2′-deoxyuridine (I), 5-(furan-2-yl)-2′-deoxyuridine (II), 5-(5-bromofuran-2-yl)-2′-deoxyuridine (III), 5-(3-bromoisoxazol-5-yl)-2′ ... [more ▼]

Structural and electronic characteristics of 5-(5-chlorothien-2-yl)-2′-deoxyuridine (I), 5-(furan-2-yl)-2′-deoxyuridine (II), 5-(5-bromofuran-2-yl)-2′-deoxyuridine (III), 5-(3-bromoisoxazol-5-yl)-2′-deoxyuridine (V) and 5-(isoxazol-5-yl)-2′-deoxyuridine (IV) have been determined and compared to the BVDU (VI) characteristics in order to explain their respective affinity for the herpes simplex virus type 1 thymidine kinase (TK). Molecular structure of 5-(5-chlorothien-2-yl)-2′-deoxyuridine has been obtained using single crystal X-ray crystallography. Electrostatic potential maps, energy and topology of frontier orbitals were computed at the ab initio MO STO-3G and STO-3G* level. These studies reveal that the electrostatic potential energy maps are clearly dependent on the affinity of the compound for the enzyme. [less ▲]

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