4篇
您的检索式：作者名="Lisa Muller"
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| 1 | Altered PIWI-LIKE 1 and PIWI-LIKE 2 mRNA expression in ejaculated spermatozoa of men with impaired sperm characteristics显示文摘 | Maria Giebler Thomas Greither Lisa Muller Carina Mosinger Hermann M Behre | 2018 | Asian Journal of Andrology2018，20，3： | 1 |
| 2 | Heinrichsia cheilanthoides gen. et sp. nov., a fossil fern in the family Pteridaceae (Polypodiales) from the Cretaceous amber forests of Myanmar显示文摘Divergence time estimates suggest that most clades constituting the fern family Pteridaceae (Polypodiales) were in existence by the Early Cretaceous. However, fossil evidence to corroborate this remains exceedingly rare. Burmese amber is an important source of new information on the radiation of derived fern lineages during the Cretaceous Terrestrial Revolution. This study describes Heinrichsia cheilanthoides gen. et sp. nov., a fern with suggested affinities to Pteridaceae, based on fertile foliage portions preserved in Early Cretaceous (~100?Ma) amber from Myanmar. Heinrichsia cheilanthoides is characterized by a pinnate‐pinnatifid frond that bears apical, marginal sori protected by a pseudoindusium. Sporangia are of the polypod type and contain tetrahedral‐globose, trilete spores with a striate perine. This discovery provides a new calibration point to test and refine molecular clock‐based concepts of the evolutionary history of the Pteridaceae. Heinrichsia cheilanthoides further substantiates the suggestion that the Cretaceous forests of Myanmar were home to a rich fern flora. | Ledis Regalado Alexander R. Schmidt Patrick Muller Lisa Niedermeier Michael Krings Harald Schneider | 2019 | Journal of Systematics and Evolution2019，57，4： | 1 |
| 3 | Training load characteristics and injury and illness risk identification in elite youth ski racing:A prospective study显示文摘Purpose:The study aimed to investigate the role of training load characteristics and injury and illness risk in youth ski racing.Methods:The training load characteristics as well as traumatic injuries,overuse injuries,and illnesses of 91 elite youth ski racers(age=12.1±1.3 years,mean±SD)were prospectively recorded over a period of 1 season by using a sport-specific online database.Multiple linear regression analyses were performed to monitor the influence of training load on injuries and illnesses.Differences in mean training load characteristics between preseason,in-season,and post-season were calculated using multivariate analyses of variance.Results:Differences were discovered in the number of weekly training sessions(p=0.005)between pre-season(4.97±1.57)and post-season(3.24±0.71),in the mean training volume(p=0.022)between in-season(865.8±197.8 min)and post-season(497.0±225.5 min)and in the mean weekly training intensity(Index)(p=0.012)between in-season(11.7±1.8)and post-season(8.9±1.7).A total of 185 medical problems were reported(41 traumatic injuries,12 overuse injuries,and 132 illnesses).The weekly training volume and training intensity was not a significant risk factor for injuries(p>0.05).Training intensity was found to be a significant risk factor for illnesses in the same week(β=0.348;p=0.044;R^(2)=0.121)and training volume represents a risk factor for illnesses in the following week(β=0.397;p=0.027;R^(2)=0.157).Conclusion:A higher training intensity and volume were associated with increased illnesses,but not with a higher risk of injury.Monitoring training and ensuring appropriate progression of training load between weeks may decrease incidents of illness in-season. | Carolin Hildebrandt Renate Oberhoffer Christian Raschner Erich Muller Christian Fink Lisa Steidl-Muller | 2021 | Journal of Sport and Health Science2021，10，2： | 0 |
| 4 | Going only half the way:cell cycle exit after the G1 restriction point显示文摘In a recent article published in Nature,James A.Cornwell et al.describe that cyclin A2 levels determine whether cells will make an entrance into mitosis or whether cells will leave the cell cycle after having passed the G1/restriction(R)-point implicating that the decision is fully reversible(Fig.1).This ground-breaking study could impact future approaches for cancer treatment by targeting the mitotic clock. | Lisa Muller Tony Gutschner Mechthild Hatzfeld | 2024 | Signal Transduction and Targeted Therapy2024，9，1： | 0 |
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