Axolotl Limb
Axolotl Limb - Related Videos
09:19
Atomic Force Microscopy Measurements of Cartilage in Intact and Regenerating Axolotl Limbs
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Cited by 2 •
2024
In this protocol, we show how to prepare axolotl tissue for atomic force microscopy (AFM) and perform indentation measurements in intact and regenerating limb cartilage.
07:17
Generation of Chimeric Axolotls with Mutant Haploid Limbs Through Embryonic Grafting
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Cited by 1 •
2020
This goal of this protocol is to produce chimeric axolotls with haploid forelimbs derived from Cas9-mutagenized donor tissue using embryonic tissue grafting techniques.
04:24
Inhibition of Wound Epidermis Formation via Full Skin Flap Surgery During Axolotl Limb Regeneration
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Cited by 14 •
2020
This article describes how to perform a surgical method to inhibit wound epidermis formation during axolotl limb regeneration by immediately suturing full thickness skin over the amputation plane. This method allows researchers to investigate the functional roles of the wound epidermis during the early stages of limb regeneration.
14:03
Orthotopic Hind-Limb Transplantation in Rats
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Cited by 21 •
2010
Here we describe the orthotopic rat hind-limb transplantation procedure, which seems to be the gold standard in vivo model for composite tissue allotransplantation research.
07:15
Orthotopic Hind Limb Transplantation in the Mouse
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Cited by 24 •
2016
This novel model for orthotopic hind limb transplantation in the mouse, applying a non-suture cuff technique for super-microvascular anastomosis, provides a powerful tool for in vivo mechanistic immunological research related to vascularized composite allotransplantation (VCA).
FAQs
After amputation, cells near the wound contribute to a blastema, where they proliferate and reorganize rather than simply closing the injury. This structure then responds to positional signals that guide the rebuilding process. Studying these cellular changes helps explain how regeneration coordinates multiple tissues and restores their correct spatial arrangement.
Positional signals provide instructions that help cells determine where regenerated structures belong. Their influence allows the developing limb to rebuild bones, muscles, nerves, blood vessels, and skin in the correct arrangement rather than producing an unorganized mass. Understanding this pattern-forming process is central to explaining how a complex appendage is reconstructed after injury.
These processes are studied as coordinated parts of axolotl limb regeneration. Wound healing establishes the response to injury, nerve signaling contributes important information, and cellular plasticity allows cells to participate in rebuilding tissues. Examining their relationships helps researchers understand how regeneration proceeds without extensive scarring and how several biological systems act together.
A study can begin with limb injury or amputation and then examine the events that follow near the wound. Researchers focus on blastema formation, cellular proliferation and reorganization, positional signaling, and the rebuilding of distinct tissues. This workflow connects early wound responses with the later restoration of the limb’s organized structure.
The regenerative response can rebuild several coordinated components, including bones, muscles, nerves, blood vessels, and skin. Researchers therefore use the limb to study regeneration as a whole-appendage process rather than focusing on only one tissue type. The ability to restore these components in the correct arrangement also provides information about tissue coordination and pattern formation.
The axolotl limb offers a model for examining tissue repair, regeneration, cellular plasticity, nerve signaling, and pattern formation together. Research on this system may clarify why regenerative capacity differs among vertebrates. Those insights could also inform future approaches to repairing damaged human tissues, while highlighting the biological differences that make regeneration more extensive in some animals.