She recognized my issue and is addressing my problem
Giancaterino S, Boi C (2023) Alternative biological sources for extracellular vesicles production and purification strategies for process scale-up
Hair, Skin, Nails B12 deficiency is linked to many dermatological conditions such as hyperpigmentation, nail discoloration, hair changes, and vitiligo
Gross JB Jr, Ludwig J, Wiesner RH, McCall JT, LaRusso NF
doi: 10.1002/14651858.CD007545.pub2 29 SinghP.SubbianS
It is synthesized as a proreceptor that is cleaved into alpha and beta chains and assembled into a covalent heterotetramer, two alpha subunits and two beta subunits held together by disulfide bonds, which sits in the membrane as a preformed dimer even in the absence of ligand