protease

What it means

1. biochemistryAn enzyme that cuts or cleaves proteins.

   As a matter of fact the casein protease digests boiled and coagulated serum far more easily than unboiled serum, as set forth by the following experiments.

   1903 November 2, S. G. Hedin, “On the presence of a proteolytic enzyme in the normal serum of the ox”, in The Journal of Physiology, volume 30, number 2, page 195

   2 more examples

   All were tested for their ability to clot milk and to hydrolyze denatured hemoglobin, egg albumin, protamine (salmon), histone (calf thymus), and benzoyl-l-arginineamide. In no case was any trace of protease activity detected.

   1948 September 20, Margaret R. McDonald, “A method for the preparation of "protease-free" crystalline ribonuclease”, in Journal of General Physiology, volume 32, number 1, page 39

   For our purposes, it is sufficient to note that dysregulation of desquamatory protease activity in the SC is often involved in conditions of compromised skin barrier.

   2015, Raja Sivamani, Jared R. Jagdeo, Peter Elsner, Cosmeceuticals and Active Cosmetics

In a sentence

As a matter of fact the casein protease digests boiled and coagulated serum far more easily than unboiled serum, as set forth by the following experiments.

1903 November 2, S. G. Hedin, “On the presence of a proteolytic enzyme in the normal serum of the ox”, in The Journal of Physiology, volume 30, number 2, page 195

Where it comes from

1. Englishprote(in)
2. Proto-Indo-European*dwóh₁
3. Proto-Indo-European*trísinflu.
4. Proto-Indo-European*dwís
5. Ancient Greekδιά (diá)
6. Ancient Greekδῐᾰ- (dĭă-)
7. Proto-Indo-European*steh₂-
8. Proto-Indo-European*stísteh₂ti
9. Proto-Hellenic*hístāmi
10. Ancient Greekῐ̔́στημῐ (hĭ́stēmĭ)
11. Ancient Greekδῐῐ̈́στημῐ (dĭĭ̈́stēmĭ)
12. Ancient Greekδῐᾰ́στᾰσῐς (dĭắstăsĭs)
13. Englishdiastase
14. Englishprotease

From prote(in) + -ase.