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EPIDERMAL REGENERATION

The epidermis is morphologically composed of distinct and stratified layers which reflect the sequential differentiation of keratinocytes that migrate from the basal layer to the superficial layer. Epidermal regeneration relies on the adequate balance between proliferation and differentiation of epidermal stem cells as well as on the removal of superficial dead cells (corneocytes) by desquamation, in order to maintain or to restore epidermal structure and functions.

Heredity, environment, lifestyle but also acne, inflammation, wound healing or ageing are factors that are known to have an impact on epidermal regeneration quality and speed.

The in vitro evaluation of an active or cosmetic compound on epidermal regeneration can be measured by analyzing the:

  • cell migration and proliferation
  • cell differentiation (retinoid-like effect)

Epidermal regeneration and cell metabolism: in vitro models and assays

QIMA Life Sciences has many in vitro or ex vivo models at your disposal:

  • human epidermal keratinocyte stem cells (KSC)
  • normal human epidermal keratinocytes (NHEK)
  • reconstructed human epidermis (RHE)
  • full thickness skin (FTSK)
  • skin explants (ex vivo)

on which we can evaluate the effect of active compounds or formulations on epidermal regeneration and cell metabolism by measuring:

  • cell viability and metabolism
  • morphology, integrity and thickness of the epidermal tissue
  • cell proliferation and migration
  • clonogenicity (capacity of progenitor cells to form colonies)
  • epidermal differentiation or dedifferentiation (differentiation markers: filaggrin, loricine, etc.), retinoid-like effects
Labeling of normal human epidermal keratinocytes (Collagen IV in green, tubulin in red, nuclei in blue)

Here are a few examples among all standard assays proposed by QIMA Life Sciences in the field of epidermal regeneration:

  • Retinoic-acid-induced gene expression

    NHEK, differentiation marker expression (low calcium/high cell density) (basal)

    1.00€
    Add to cart Show Details
  • Cell migration

    NHEK, migration/proliferation (basal)

    1.00€
    Add to cart Show Details
  • Retinoic acid-induced gene expression

    RHE, mRNA for differentiation markers (basal)

    1.00€
    Add to cart Show Details
  • Total lipids - TLC

    RHE, phospholipid & ceramide neosynthesis (Vitamin C stimulation)

    1.00€
    Add to cart Show Details
Find out about all our standard assays - Direct access to catalog A project, an idea or a question? Contact us and let’s talk about it!

 

 

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Address

QIMA Life Sciences
Headquarters
1bis rue des plantes - CS 50011
86160 Gençay - France
Tel. +33 (0) 5 49 36 11 37
Mail: ls@qima.com

International offices
France - Labège
USA - Buffalo, NY
Brazil - Botucatu, SP

Latest posts

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  • Lymphotonic activity of Ruscus extract, hesperidin methyl chalcone and vitamin C in human lymphatic smooth muscle cells
  • Bioanalysis of non-invasive samples

Cosmetic

  • Hydration and skin barrier
  • Epidermal regeneration
  • Skin firmness & cohesion
  • Skin ageing
  • Skin protection & defense
  • Skin pigmentation
  • Oily skin and hyperseborrhea
  • Skin microcirculation and vascularization
  • Slimming and adipocyte metabolism
  • Hair growth and alopecia

Pharmacology

  • Immuno-Inflammation
  • Neurobiology
  • Veterinary medicine

Dermatology

  • Acne
  • Hair growth and alopecia
  • Atopic dermatitis
  • Psoriasis
  • Wound healing and skin regeneration
  • Melanoma
  • Vitiligo (coming soon)
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