THE HUMAN PROTEIN ATLAS BLOG

Crystallins are proteins expressed in the human eye with a long life

2017-07-22
Eye Image of the week Immunocytochemistry Immunohistochemistry Lens proteins Pathology tissue Tissue Atlas

The beta-crystallin B2 protein, encoded by the CRYBB2 gene, is a very important structural component of the human eye lens. Immunohistochemical staining of CRYBB2 protein shows specific expression in the lens.

Previously we have highlighted proteins expressed in the human neural retina. This week's article emphasizes the cellular structure and molecular dynamics of the lens.

The main function of the lens is to focus light on the retina. The passage of light through the cornea, lens and vitreous all the way to the retinal layer of the eye is only possible due to transparency of the tissue. Although the lens is very protein-rich, light absorption and light scattering in the lens is minimal.

The lens comprises non-diving lens cells which are mainly composed of ordered proteins called crystallins...Read more


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