Insulin in aging and cancer: antidiabetic drug Diabenol as geroprotector and anticarcinogen

Irina G Popovich1, Mark A Zabezhinski, Peter A Egormin

  • 1Department of Carcinogenesis and Oncogerontology, N.N. Petrov Research Institute of Oncology, St. Petersburg 197758, Russia.

Insights

The antidiabetic drug Diabenol extended lifespan and reduced tumor incidence in mice. It also inhibited colon carcinogenesis in rats, demonstrating potential anti-cancer properties alongside its diabetes treatment effects.

Area of Science:

  • Pharmacology
  • Oncology
  • Gerontology

Background:

  • The novel antidiabetic drug Diabenol's comprehensive effects beyond glycemic control require investigation.
  • Understanding Diabenol's impact on aging, spontaneous tumor development, and chemically induced carcinogenesis is crucial for its therapeutic profile.

Purpose of the Study:

  • To evaluate the effects of Diabenol on lifespan and spontaneous tumor incidence in NMRI and HER-2/neu mice.
  • To assess Diabenol's efficacy in inhibiting 1,2-dimethylhydrazine-induced colon carcinogenesis in rats.

Main Methods:

  • Administration of Diabenol to NMRI mice, HER-2/neu mice, and rats exposed to 1,2-dimethylhydrazine.
  • Monitoring of lifespan, body weight, food/water consumption, body temperature, estrous function, and tumor incidence/latency.
  • Histopathological analysis of colon tumors in rats.

Main Results:

  • Diabenol increased lifespan in NMRI mice and slowed age-related estrous disturbances in both mouse models.
  • The drug inhibited spontaneous tumor incidence and increased mammary tumor latency in NMRI mice, and reduced lung metastases in HER-2/neu mice.
  • Diabenol significantly inhibited colon tumor multiplicity and carcinoma incidence in rats, promoting well-differentiated tumors.

Conclusions:

  • Diabenol demonstrates significant anti-cancer properties, including increased survival and inhibition of spontaneous carcinogenesis in mice.
  • The drug effectively inhibits colon carcinogenesis in rats, suggesting a broad therapeutic potential.
  • Diabenol warrants further investigation for its dual role in diabetes management and cancer prevention/treatment.

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