Abstract: The invention discloses a polypeptide that specifically binding to CD123 protein, a polypeptide complex and a co-delivery system, and preparation methods and use thereof. The general formula of amino acid arrangement in the polypeptide is X1-DYDTR-X2-QGTD-X3-G-X4-DFRRISD-X5; it can bind to CD123-positive cells and inhibit the progression of leukemia; the polypeptide complex can increase the binding quantity of the polypeptide to CD123-positive cells, and drug can inhibit the progression of leukemia alone and prolong the survival of leukemia mice; the co-delivery system can load chemotherapy drugs for tumor treatment and reduce the toxicity of chemotherapy drugs to normal cells.

Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts and solvates thereof, wherein R1a, R1b, R1c, E, G, and Q are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat cancer or any other disease, condition, or disorder that is responsive to inhibition of menin.

Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R2, R3a, R3b, A, G, X, and Y are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: The present disclosure provides compounds represented by Formula (I): and the pharmaceutically acceptable salts and solvates thereof, wherein A, R1a, R1b, R1c, R1d, R2, R3, R8a, R8b, R10, X, Z2, m, and n are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I) for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts and solvates thereof, wherein R1a, R1b, R1c, R1d, R1e, R2, R3, R8a, R8b, L, X, Z1, and Z2 are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: The present disclosure provides compounds by Formula (I): (Formula (I)) and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R2, R3a, R3b, A, G, X, and Y are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I) for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: The present disclosure provides compounds represented by Formula (I): and the pharmaceutically acceptable salts and solvates thereof, wherein A, R1a, R1b, R1c, R1d, R2, R3, R8a, R8b, R10, X, Z2, m, and n are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I) for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: The present disclosure provides compounds by Formula (I): (Formula(I)) and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R2, R3a, R3b, A, G, X, and Y are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I) for use to treat a condition or disorder responsive to menin inhibition such as cancer.

Abstract: A compound of formula (I) or (II) and use of the compound in the preparation of drugs for treating cancer are disclosed. The study shows that the compounds can inhibit the growth of many kinds of tumor cells, can be used for targeting epidermal growth factor receptor (EGFR), and particularly can inhibit tumor cells with single or multiple mutations of EGFR (T790M). Therefore, the compound can be used as EGFR inhibitor to treat cancer and has a relatively large application value.