منابع مشابه
Microtubule-severing enzymes at the cutting edge.
ATP-dependent severing of microtubules was first reported in Xenopus laevis egg extracts in 1991. Two years later this observation led to the purification of the first known microtubule-severing enzyme, katanin. Katanin homologs have now been identified throughout the animal kingdom and in plants. Moreover, members of two closely related enzyme subfamilies, spastin and fidgetin, have been found...
متن کاملThe Cutting Edge
“The bigger they are, the harder they fall” is a bit of wisdom that’s been around for a long time. But when it comes to pesticide application, the line should read, “The bigger they are, the closer they fall.” Large droplets are not as likely to drift off-target as smaller droplets. This basic principle lies behind many innovations to reduce drift when spraying herbicides. Nozzle manufacturers ...
متن کاملThe Cutting Edge
A 17-year-old white woman presented with a 2-year history of increasingly frequent episodes of erythromelalgia involving her hands, feet, and lower legs (Figure). She described the discomfort as “throbbing, burning, stinging.” Her symptoms occurred daily. The episodes involved her feet about 10 to 15 times during the day and involved her hands slightly less frequently. Whenever her feet got war...
متن کاملThe cutting edge
Archaeological finds have shown that early humans performed crude operations on one another many thousands of years ago. Since then, surgery has remained one of our most important tools to deal with the consequences of disease, accidents and ageing. Yet, surgery has advanced greatly since the days when primitive humans drove stones into one another’s skulls to release demons. Both social trends...
متن کاملThe Cutting Edge
Ming H. Jih, MD, PhD; Paul M. Friedman, MD; Arash Kimyai-Asadi, MD; Edward S. Friedman, MD; Sharon R. Hymes, MD; Leonard H. Goldberg, MD; DermSurgery Associates (Drs Jih, P. M. Friedman, Kimyai-Asadi, and Goldberg), The University of Texas School of Medicine (Dr P. M. Friedman), Baylor College of Medicine (Dr E. S. Friedman), and The University of Texas M. D. Anderson Cancer Center (Drs Hymes a...
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ژورنال
عنوان ژورنال: Journal of Radiotherapy in Practice
سال: 2000
ISSN: 1460-3969,1467-1131
DOI: 10.1017/s146039699900028x