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Related Concept Videos

Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...
Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...
Tissue Renewal without Stem Cells01:23

Tissue Renewal without Stem Cells

After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...

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Related Experiment Video

Updated: Jun 26, 2026

In Vitro Model of Human Cutaneous Hypertrophic Scarring using Macromolecular Crowding
08:20

In Vitro Model of Human Cutaneous Hypertrophic Scarring using Macromolecular Crowding

Published on: May 1, 2020

Cuprorivaite as a Multifunctional Material for Hypertrophic Scar Modulation with Intrinsic Photothermal Enhancement.

Hongping Ge1, Shisheng Chen2, Chenle Dong1

  • 1Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing 210042, China.

ACS Applied Materials & Interfaces
|June 25, 2026
PubMed
Summary

Cuprorivaite, a novel biomaterial, effectively modulates hypertrophic scars by releasing ions and using photothermal enhancement. This dual action reduces collagen and inflammation, improving scar appearance.

Keywords:
cuprorivaitehypertrophic scarsintrinsic photothermal enhancemention-mediated regulationmultifunctional biomaterial

Related Experiment Videos

Last Updated: Jun 26, 2026

In Vitro Model of Human Cutaneous Hypertrophic Scarring using Macromolecular Crowding
08:20

In Vitro Model of Human Cutaneous Hypertrophic Scarring using Macromolecular Crowding

Published on: May 1, 2020

Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Wound Healing Research

Background:

  • Hypertrophic scarring is a complex condition with reduced apoptosis, excessive collagen, aberrant fibroblast migration, and inflammation.
  • Current treatments for hypertrophic scars are limited in efficacy due to the multifactorial pathology.

Purpose of the Study:

  • To develop and evaluate Cuprorivaite, a multifunctional biomaterial for hypertrophic scar modulation.
  • To investigate the combined effects of ionic release and intrinsic photothermal enhancement on scar tissue.

Main Methods:

  • Cuprorivaite biomaterial synthesis and characterization.
  • In vitro cell culture studies assessing apoptosis, collagen deposition, migration, and inflammation.
  • In vivo studies in animal models to evaluate scar attenuation.
  • Transcriptomic analysis to identify regulatory mechanisms.

Main Results:

  • Cuprorivaite demonstrated sustained multi-ion release, modulating key scar-associated cellular processes.
  • Intrinsic photothermal properties under near-infrared irradiation enhanced ion-mediated effects.
  • In vitro and in vivo studies showed significant attenuation of hypertrophic scarring, including reduced collagen accumulation and improved architecture.
  • Transcriptomic analysis identified H3C14 and SOX9 as key regulatory factors.

Conclusions:

  • Cuprorivaite is a promising multifunctional biomaterial for hypertrophic scar treatment.
  • The combination of ionic regulation and intrinsic photothermal enhancement offers a novel therapeutic strategy.
  • Further research into the identified regulatory factors may uncover new therapeutic targets.