Active transporters in cells, which facilitate nutrient entry, have been found to be leaky and allow water to pass through. This discovery suggests a universal behavior among all active membrane transporters, with large structural changes causing leaks during movement of substrates.
Planarians can regrow missing organs, including the intestine, after injury. Researchers identified genes that control intestinal growth and regeneration using RNA interference. The study provides insights into stem cell division, cellular events, and molecular signaling pathways involved in organ regeneration.
Researchers have developed a new technique to study how myeloids become white blood cells, providing new insights into the molecular mechanisms at work during this process. This approach offers potential improvements in treating myeloid diseases like leukemia by identifying key regulatory pathways and developing therapeutic strategies.
A novel protein called ORCA has been identified as crucial for the initiation of DNA replication and the organization of heterochromatin in mammalian cells. Its depletion leads to defects in cellular proliferation and cell cycle arrest, highlighting its critical role in controlling uncontrolled cell growth.