Genetic Changes. Mutations in the ATM gene cause ataxia-telangiectasia. The ATM gene provides instructions for making a protein that helps control cell division and is involved in DNA repair. This protein plays an important role in the normal development and activity of several body systems, including the nervous system and immune system.
The Best OTF Knife â Blade Types. OTF knives give you added access to your blade, when you need it most. This type of knife uses a assisted opening mechanism to fire the blade up and out the front of the knife handle. OTF knives come in a variety of blade configurations.
Overview of Switchblade designs: There are two basic types of switchblades, side-opening / folding switchblades and OTF switchblades (Out-The-Front or telescoping). A side-opening knife's blade pivots out of the side of the handle (in the same manner as an ordinary folding knife, except with the press of a button).