Several methods are introduced to increase the half-life of GLP-1 including: (i) modifying peptides to make them resistant to cleavage by DPP-4, such as exenatide twice daily and lixisenatide, (ii) attaching free fatty acid side chains to liraglutide and semaglutide, which enhances their binding to plasma albumin thereby preventing renal filtration of GLP-1 and prolonging their action in vivo [36, 37], (iii) conjugation of albumin or the Fc fragment of IgG to GLP-1 molecule is used in albiglutide and dulaglutide [37, 38], (iv) development of modified nanoparticles for the controlled release of exenatide-LAR (long-acting release) that provide prolonged release of the peptide [39], and finally, (v) chemical permeation enhancers such as sodium salcaprozate (SNAC) could be utilized to overcome the low permeability and high enzymatic degradation of the gastrointestinal tract of GLP-1 analog that is administrated orally such as semaglutide [40]

Glutathione, because of its antioxidant effect, is effective in reducing the photo-induced aging of the skin
Western blot assay K7M2 cells were incubated with the PBS, Ru(II)-OH, NP2, or NP4 (10 M Ru) for 12 h at 37 C, and the supernatant was subsequently co-incubated with RAW264.7 cells
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Certain nutrients have been found to be activators of important metabolic pathways involved in PCOS, such as insulin resistance hyperlipidemia, oxidative stress, and inflammation, thus providing some possible medical means for treating the condition [65]