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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Plant tissues are collections of similar cells performing related functions. Different plant tissues will have their own specialized roles and can be combined with other tissues to form organs such as flowers, fruit, stem, and leaves. Two major types of plant tissue include meristematic and permanent tissue.
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Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
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Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential;...
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The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
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Related Experiment Video

Updated: Jan 31, 2026

Using Multilayered Hydrogel Bioink in Three-Dimensional Bioprinting for Homogeneous Cell Distribution
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Using Multilayered Hydrogel Bioink in Three-Dimensional Bioprinting for Homogeneous Cell Distribution

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Three-dimensional cell-based bioprinting for soft tissue regeneration.

Ji Hyun Kim1, James J Yoo1, Sang Jin Lee1,2

  • 11Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA.

Tissue Engineering and Regenerative Medicine
|January 4, 2019
PubMed
Summary
This summary is machine-generated.

Three-dimensional (3D) bioprinting precisely places cells and biomaterials to create tissue constructs. This technology shows great promise for advancing tissue engineering and regenerative medicine, particularly in soft tissue regeneration.

Keywords:
BioinksBioprintingHydrogelRegenerationSoft tissueTissue engineering

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Area of Science:

  • Biotechnology
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Three-dimensional (3D) bioprinting enables the fabrication of biological tissue constructs.
  • These constructs aim to replicate the anatomical and functional characteristics of native tissues and organs.
  • The technology allows for precise placement of multiple cell types and biomaterials within a single construct.

Purpose of the Study:

  • To review advancements in 3D bioprinting technologies.
  • To discuss the applications of 3D bioprinting in soft tissue regeneration.
  • To highlight the potential of 3D bioprinting in creating anatomically and functionally similar human tissues or organs.

Main Methods:

  • Utilizes layer-by-layer deposition of cell-laden hydrogel-based bioinks.
  • Focuses on the precise placement of multiple cell types and biomaterials.
  • Leverages cutting-edge bioprinting technologies for construct fabrication.

Main Results:

  • 3D bioprinting shows significant promise for building complex soft tissue constructs.
  • The technology facilitates the creation of constructs with enhanced anatomical and functional similarity to native tissues.
  • Hydrogel-based bioinks are key components in layer-by-layer fabrication.

Conclusions:

  • 3D bioprinting is a powerful tool in tissue engineering and regenerative medicine.
  • It offers a pathway to engineer more accurate and functional tissue replacements.
  • The review discusses the current state and future potential of bioprinting for soft tissue regeneration.