Because lyophilized peptides are shelf-stable for years when properly stored, many researchers choose to purchase in bulk to ensure a consistent supply for long-term studies
& Buettner, G
Neurons depend on precise calcium signaling for synaptic plasticity and neurotransmitter release
In some cases a dermatologist is involved to exclude secondary causes of dark hyperpigmentation- examples include irritant contact dermatitis, allergic dermatitis & endogenous causes via endocrine dysfunction
In this industry, that experience is extremely valuable because it means the company understands not only skincare formulation, but also the broader ecosystem of professional aesthetics
In addition, some clades included a unique motif, such as, motif 20 was specific to group G, which might be the reason that these clades could perform specific functions