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METABOLIC MODULATION OF INTRATUMORAL CHOLESTEROL WITH ENGINEERED BACTERIA FOR THE TREATMENT OF CANCERS

Application US20260077000A1 Kind: A1 Mar 19, 2026

Inventors

Hoi Leong Xavier WONG, Jiayan WU, Lixiang ZHAI, Pallavi ASTHANA

Abstract

A method of treating a cancer (e.g., a colorectal cancer, a liver cancer, a breast cancer, or a lung cancer) in a subject in need thereof by administering to the subject a therapeutically effective amount of (i) a bacterium that converts intestinal cholesterol to 4-cholesten-3-one (4-C-3) or (ii) 4-C-3. Also disclosed is a recombinant Escherichia coli TOP10 bacterium comprising a nucleic acid encoding cholesterol oxidase (CHOX), which is capable of converting cholesterol to 4-C-3 and can be used to treat gastrointestinal tract cancers including a colorectal cancer or lung cancer.

CPC Classifications

A61K 35/74 A61K 31/575 A61K 45/06 A61P 35/00 C07K 16/2863 C12N 9/0006 C12N 15/70 C12R 2001/19 C12Y 101/03006

Filing Date

2025-09-17

Application No.

19330914