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Three-dimensional model of normal human dermal tissue using serial tissue sections.

Peng Liu1, Tao Zhang1, Yihui Huang2

  • 1Department of Burn and Plastic, Guangzhou Red Cross Hospital, Medical College, Jinan University, Guangzhou, China.

Frontiers in Bioengineering and Biotechnology
|March 21, 2024
PubMed
Summary
This summary is machine-generated.

Researchers created a 3D skin dermis model using continuous tissue sections. This provides anatomical data, revealing dermal porosity and pore size distribution for biomimetic skin engineering.

Keywords:
3D structureaverage pore diameterdermisimage registrationporosityserial histological sections

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Area of Science:

  • Biomedical Engineering
  • Dermatology
  • Anatomy

Background:

  • Understanding normal human dermal tissue anatomy is crucial for developing advanced biomaterials.
  • Existing models often lack the detailed structural data necessary for accurate biomimetic applications.

Purpose of the Study:

  • To construct a high-precision three-dimensional (3D) model of the skin dermis.
  • To obtain quantitative anatomical structure data for normal human dermal tissues.
  • To analyze dermal porosity and pore diameter distribution.

Main Methods:

  • Acquisition and HE staining of normal human skin tissue specimens.
  • Microscopic panoramic imaging and alignment of serial tissue sections using SIFT and StackReg methods.
  • 3D reconstruction of the dermal structure using Mimics17 software.

Main Results:

  • Successful high-resolution 3D reconstruction of the skin dermal structure.
  • Quantitative analysis revealed a dermal porosity of 18.96 ± 4.41% and an average pore diameter of 219.29 ± 34.27 μm.
  • Dermal porosity and pore diameter showed a specific distribution pattern from the papillary layer downwards.

Conclusions:

  • Continuous tissue slice reconstruction enables precise 3D modeling of skin.
  • The generated dataset on dermal porosity and pore size is valuable for developing biomimetic tissue-engineered skin.
  • This technique offers a standardized approach for dermal tissue analysis.