The transition from patient to a person who simply eats began not with a donor organ, but with a small sample of her own fat cells. At Tianjin First Central Hospital, a research team directed by Deng Hongkui of Peking University employed a precise chemical sequence to bypass the traditional complexities of stem cell therapy. Rather than using viral vectors—which carry a risk of unwanted genetic mutations—the scientists used a cocktail of seven small-molecule compounds to "reprogram" her cells into a pluripotent state. These blank-slate cells were then carefully matured into islet clusters, the biological machinery required to produce insulin.
In a minimally invasive surgery lasting only half an hour, these lab-grown cells were transplanted into her abdominal muscle. Unlike traditional transplants that target the liver—a site prone to inflammation and bleeding—this superficial placement allowed the clinical team to monitor the new tissue through non-invasive imaging. The result was a quiet, internal restoration. Within 75 days, the woman ceased all insulin injections. Five months later, her blood sugar remained within the healthy target range more than 98 percent of the time.
The success in Tianjin is not an isolated event. In Shanghai, a man with long-standing Type 2 diabetes has also reached insulin independence through a similar application of regenerative cells. These cases represent a fundamental shift in how the disease is approached: moving away from the scarcity of deceased donors toward a world where a patient provides their own cure. Standard procedures often require material from up to three organ donors to treat one person; here, the source is infinite and intimate.
While the trial continues to monitor two other participants and will follow the Tianjin patient for two years, the immediate reality for her is found in the absence of the needle. She speaks of her newfound freedom with a simple clarity, noting that she can enjoy everything on the table. The science is complex, involving the frontiers of cellular biology and gene editing to eventually eliminate the need for immunosuppressants, but the outcome is human. A woman who once lived by the clock of her condition now lives by her own appetite.