Occurrence and characterization of oseltamivir-resistant influenza virus in children between 2007-2008 and 2008-2009 seasons.

Purpose: There was a global increase in the prevalence of oseltamivir-resistant influenza viruses during the 2007-2008 influenza season. This study was conducted to investigate the occurrence and characteristics of oseltamivir-resistant influenza viruses during the 2007-2008 and 2008-2009 influenza seasons among patients who were treated with oseltamivir (group A) and those that did not receive oseltamivir (group B).

Methods: A prospective study was conducted on 321 pediatric patients who were hospitalized because of influenza during the 2007-2008 and 2008-2009 influenza seasons.

Effects of spermatozoa during in vitro meiosis progression in the porcine germinal vesicle oocytes.

We have investigated the effect of co-culture with porcine spermatozoa on in vitro maturation of porcine germinal vesicle (GV) oocytes before fertilization. Most oocytes were arrested at the first prophase of meiosis when oocytes were cultured in TCM 199 alone, but the proportion of oocytes that reached metaphase II was significantly elevated by co-incubation with spermatozoa in vitro. The oocyte maturation effect was observed with intact and parts of spermatozoa (head and tail) collected from adult swine (regardless of source).

Comparison of RAPD, AFLP, and EF-1α Sequences for the Phylogenetic Analysis of Fusarium oxysporum and Its formae speciales in Korea.

Although Fursarium oxysporum causes diseases in economically important plant hosts, identification of F. oxysporum formae speciales has been difficult due to confusing phenotypic classification systems. To resolve these complexity, we evaluated genetic relationship of nine formae speciales of F.

Induction of apoptotic cell death by mycelium extracts of Phellinus linteus in human neuroblastoma cells.

Phellinus linteus is a well-known Oriental medicinal fungus that has various biological activities, including immunomodulatory and anti-tumor activities, the mechanisms of which are poorly understood. In the present study, we investigated the effects of mycelium extracts of P. linteus (MEPL) on the growth of human neuroblastoma SK-N-MC cells.