Researchers Identified Mechanism of Cell Survival
Scientists found that specific cells evade programmed death to trigger tissue regeneration and tumor growth.
Updated on Sept. 19, 2026 in Cancer
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Researchers at the Weizmann Institute of Science have identified a cellular mechanism that allows cells to survive programmed death. These cells, known as DARE cells, can survive and regenerate tissue but may also contribute to cancer cell survival and recurrence.
Why it matters
Understanding how DARE cells bypass death signals is crucial for improving cancer treatments. The discovery offers insights into how to harness regenerative benefits without accidentally enabling tumor growth.
DARE cells successfully repaired nearly half of damaged tissue within 48 hours. Descendants of these surviving cells exhibit a seven times higher resistance to programmed cell death.
The players
Weizmann Institute of Science
This is a public research university and institute located in Rehovot, Israel, dedicated to wide-ranging study in the natural and exact sciences.
The details
A molecular motor protein tethers the initiator caspase to the cell membrane, preventing the cell death process from completing. These DARE cells also secrete signals that stimulate the proliferation of a secondary population, known as NARE cells, which provide feedback to control growth.
Timeline
The initial experiments on radiation-damaged fly larvae were first conducted in the 1970s.
DARE cells were observed repairing nearly half of damaged tissue within 48 hours.
The Big Picture
This discovery updates findings from the 1970s radiation-damaged fly larvae experiments to explain the molecular basis of cell survival. It marks a significant shift in understanding how compensatory proliferation is orchestrated at the cellular level.
While this research remains at the cellular level, it provides a new foundation for developing treatments that can stop cancer cells from surviving traditional therapies. Future advancements could lead to therapies that selectively target DARE cells to prevent tumor recurrence.
The takeaway
The study reveals that cell death resistance is an evolved mechanism for tissue repair that cancer cells eventually hijack. Strategies to inhibit the specific molecular motor protein involved may eventually serve as a pathway to limit tumor growth.
Further reading
Learn more about the latest research in this field in our Cancer section.
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Does learning how cells evade death make you more optimistic about future cancer treatment success?
