Autophagy Immunoblot Kit (LC3-II Detection)

  • Measures LC3-II in cell lysates after depletion of cytosolic LC3-I
  • LC3 Immunoblot Control included as positive control
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Autophagy Immunoblot Kit (LC3-II Detection)
Catalog Number
96 assays
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Product Details

LC3 is a small 16-18 kDa protein that is found in 3 forms within cells. A pro-form of 125 amino acids becomes cleaved to a 120 amino acid form known as LC3-I. Upon binding to phosphatidylethanolamine (PE), the LC3-II form is generated. LC3-I is found mainly in the cytosol, and LC3-II is found mainly in the membrane fraction.

Upon induction of autophagy by a stress signal such as amino acid starvation, the first step is the formation of autophagosomes.Both LC3-I and LC3-II are seen in healthy cells, but upon induction of autophagy the LC3-II proportion increases as it associates with the membranes of the autophagosomes.

Our Autophagy Immunoblot Kit (LC3-II Detection) uses a selective permeabilization procedure to remove the cytosolic pro-LC3 and LC3-I and retain the autophagosome membrane-bound LC3-II. Each kit provides sufficient quantities for preparation of lysates from 20 x 100mm cell culture dishes.