methods for treating triple-negative breast cancer (TNBC), which is known for poor prognosis and high rate of mortality. Two types of novel dual-targeting TNBC liposomes (Fru-RGD-Lip and Fru+RGD-Lip) that activelyrecognize both fructose transporter GLUT5 and integrin αvβ3 were designed and prepared in this work. Firstly, a Y-shaped Fru-RGD-chol ligand, where a fructose and peptide Arg-Gly-Asp (RGD) were
polymerases. Although the incorporation efficiency is not very high, it demonstrates that some of these dipeptides can be accommodated in the active site of polymerases and function as leavinggroups in the enzymatic synthesis of DNA.
alkylation of Schiff base activated amino acids and small peptides via a Pd/Cu dual catalysis. A range of noncoded α,α-dialkyl α-aminoacids were easily synthesized in high yields and with excellent enantioselectivities (up to >99% ee). Furthermore, a direct and highly stereoselective synthesis of small peptides with enantiopure α-alkyl or α,α-dialkyl α-aminoacids residues incorporated at specific sites
Tripeptides useful as immunostimulants as well as in the prevention of
申请人:Ellem Industria Farmaceutica, S.p.A.
公开号:US04929601A1
公开(公告)日:1990-05-29
The present invention is referred to tripeptides having the following general formula: X-Gly-Y where X=L-Arg or D-Arg and Y=L-Asp or D-Asp. These tripeptides, endowed with both immunostimulant and antimetastatic properties, are active not only after parenteral administration, but also after oral treatment. The invention is also related to the procedure for the preparation of said compounds.