Image Based Question-65023

The given picture shows a patient right armpit skin affected during Hailey-Hailey disease flare. What is the cause of hailey hailey disease?

A. haploinsufficiency of the enzyme ATP2C1

B. haploinsufficiency of the enzyme ATP2C5

C. haploinsufficiency of the enzyme ATP2C9

D. haploinsufficiency of the enzyme ATP2C7

Correct Answer » A Explanation

Hailey–Hailey disease, or familial benign chronic pemphigus or familial benign pemphigus was originally described by the Hailey brothers (Hugh Edward and William Howard) in 1939.It is a genetic disorder that causes blisters to form on the skin.

It is characterized by outbreaks of rashes and blisters in the skin, usually in the folds of the skins, but also often over large areas of the body. The painful blisters break and sometimes become infected and raw, with new blisters forming over raw skin in a sometimes seemingly unending cycle of outbreaks.