Tag

Blastema

All articles tagged with #blastema

science2 years ago

"Jellyfish Regeneration Mirrors Mechanisms in Other Species"

Scientists have made a significant discovery in understanding how jellyfish regenerate lost limbs. A new study reveals that jellyfish form blastema, a cell type similar to stem cells, around injury sites to regrow tentacles, a process that can occur in less than 24 hours. This finding sheds light on the regeneration mechanism, which is different from other animals as these cells are not found at the base of the tentacle. However, the origin of the proliferative cells that form the blastema in jellyfish remains unknown, keeping some aspects of jellyfish regeneration a mystery.

science-and-health2 years ago

"Unlocking the Regenerative Secrets of Jellyfish Tentacles"

Japanese researchers have discovered that a species of jellyfish, Cladonema, can regenerate a lost tentacle in just a few days by forming a blastema from stem-like proliferative cells that are different from the resident stem cells. These repair-specific cells contribute to the outer layer of the new tentacle and work alongside resident stem cells for rapid regeneration. The study, published in PLOS Biology, enhances the understanding of regenerative mechanisms in animals, which could potentially inform improvements in human regenerative medicine. However, the origins of these repair-specific cells are still unknown, highlighting the need for advanced genetic tools to trace and manipulate specific cell lineages in jellyfish.

science-and-health2 years ago

"Unlocking the Mystery: The Rapid Tentacle Regeneration of Jellyfish"

Researchers from the University of Tokyo and Tohoku University have discovered how jellyfish regenerate their tentacles, a process that involves the formation of a blastema, similar to that in amphibians and other regenerating animals. The blastema is formed by proliferative cells that appear at the injury site and work in conjunction with localized stem cells to regrow the tentacle. This process in jellyfish, which are cnidarians with radial body symmetry, is surprisingly similar to that of bilaterian animals, which have bilateral symmetry. Understanding jellyfish regeneration could potentially inform future regenerative treatments in humans, although such applications are currently speculative.

science-and-health2 years ago

"Unlocking the Mystery of Rapid Tentacle Regeneration in Jellyfish"

Researchers at the University of Tokyo have uncovered the cellular mechanisms that allow jellyfish to regenerate their tentacles. They found that jellyfish use repair-specific proliferative cells, similar to stem cells, to regrow their tentacles. These cells are different from the resident stem cells and only appear when the jellyfish is injured. This discovery not only sheds light on the regenerative abilities of jellyfish but also suggests a potential for convergent evolution with other regenerative species like salamanders. Understanding these mechanisms could have implications for improving human regenerative medicine. The study was published in PLOS Biology.