Method for labeling radioisotope, radiolabeling compounds using quinone compound and kit comprising the same for labeling radioisotope
The present disclosure relates to a method for labeling a biomolecule, a fluorescent dye, or a nanoparticle compound with a radioisotope, comprising: (a) providing a cyclooctyne compound represented by the following formula (I) comprising the biomolecule, the fluorescent dye, or the nanoparticle compound which is bound to a cyclooctyne moiety of the cyclooctyne compound; and (b) reacting the cyclooctyne compound of formula (I) with a quinone compound represented by the following formula (II) to give a biomolecule, a fluorescent dye, or a nanoparticle compound labeled with the radioisotope: in formula (I), (Z is the biomolecule, the fluorescent dye, or the nanoparticle compound) in formula (II), (b is 0 or an integer from 1 to 10; L is CH 2 , —COO—, or —CONH—; M is the radioisotope).
1. A method of producing a labeled biomolecule, fluorescent dye, or nanoparticle compound wherein the labeled biomolecule, fluorescent dye, or nanoparticle compound has a structure of Formula (III),
the method comprising:
reacting a cyclooctyne compound having a structure of formula (I),
with a quinone compound having a structure of formula (II):
wherein:
Z is selected from the group consisting of a biomolecule, a fluorescent dye, or a nanoparticle; b is 0 or an integer from 1 to 10; L is CH 2 , —COO—, or —CONH—; and M is a radioisotope.
2. The method according to claim 1 , wherein the reacting is performed at room temperature and atmospheric conditions.
3. The method according to claim 1 , wherein the reacting is performed in an aqueous solution.
4. The method according to claim 1 , wherein the biomolecule is at least one selected from the group consisting of a peptide, an affibody, an antibody, and an oligonucleotide.
5. The method according to claim 1 , wherein the nanoparticle compound is at least one selected from the group consisting of a metal nanoparticle, a synthetic polymer nanoparticle, and a biopolymer nanoparticle.
6. The method according to claim 5 , wherein the metal nanoparticle is any one metal selected from the group consisting of gold (Au), platinum (Pt), palladium (Pd), silver (Ag), and copper (Cu), or an oxide of any one metal selected from the group consisting of cobalt (Co), manganese (Mn), iron (Fe), nickel (Ni), gadolinium (Gd), molybdenum (Mo), zinc (Zn), and chromium (Cr).
7. The method according to claim 1 , wherein the fluorescent dye is at least one selected from a cyanine dye, a fluorescein dye, and a rhodamine dye.
8. The method according to claim 1 , wherein the radioisotope M is selected from the group consisting of I, F, Tc, Re, Ga, In, Zr, Y, Ho, Sm, and Lu.
9. The method according to claim 1 , wherein the radioisotope M is at least one radioactive iodine selected from the group consisting of 122 I, 123 I, 124 I, 125 I, 127 I, 131 I, and 132 I.