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Related Concept Videos

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Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
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Fibronectin is an adhesive glycoprotein present in the extracellular matrix of embryogenic and adult tissue. These molecules primarily aid in regulating cell motility and attachment. A fibronectin molecule is composed of two identical polypeptide chains attached to each other by a pair of disulfide bonds at the C-terminal.
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Fibril-associated collagens are a type of collagens present in the extracellular matrix with interrupted triple helices or FACIT (Fibril-associated collagens interrupted triple-helices). FACIT help connect and attach the collagen fibrils with each other as well as with other proteins of the extracellular matrix.
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Updated: Sep 3, 2025

Murine Dermal Fibroblast Isolation by FACS
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Canadian Contributions in Fibroblast Biology.

Danah S Al-Hattab1,2, Sikta Chattopadhyaya1,2, Michael P Czubryt1,2

  • 1Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada.

Cells
|July 27, 2022
PubMed
Summary

Fibroblast cells are crucial for tissue health and disease. Their activation into myofibroblasts drives fibrosis and dysfunction, especially in the heart and lungs, a key area of Canadian research.

Keywords:
Canadacell biologyfibroblastfibrosismetabolismmyofibroblast

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Last Updated: Sep 3, 2025

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Isolation and Characterization of Adult Cardiac Fibroblasts and Myofibroblasts
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Isolation and Characterization of Adult Cardiac Fibroblasts and Myofibroblasts

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Area of Science:

  • Cell Biology
  • Tissue Homeostasis
  • Pathophysiology

Background:

  • Fibroblasts, once considered secondary to parenchymal cells, are now recognized for vital roles in tissue homeostasis.
  • Fibroblast activation to myofibroblasts is a critical step in disease initiation and progression, leading to fibrosis and tissue dysfunction.

Purpose of the Study:

  • To provide an overview of fibroblast and myofibroblast biology, focusing on cardiac and pulmonary contexts.
  • To discuss the role of these cells in pathophysiological processes like fibrosis and scarring.
  • To highlight the contributions of Canadian researchers to the field of fibroblast biology.

Main Methods:

  • Literature review of fibroblast and myofibroblast research.
  • Analysis of cellular heterogeneity and signaling pathways.
  • Examination of pathophysiological mechanisms in cardiac and lung fibrosis.

Main Results:

  • Fibroblast heterogeneity and their response to environmental cues are central to their function.
  • Myofibroblast activation is a key driver of fibrosis and subsequent tissue dysfunction.
  • Canadian researchers have made significant contributions to understanding cardiac fibrosis.

Conclusions:

  • Fibroblast biology is a rapidly advancing field with major implications for understanding and treating diseases.
  • Targeting fibroblast activation pathways may offer therapeutic strategies for fibrotic diseases.
  • Continued research, particularly by Canadian scientists, is essential for further progress.