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Glossary Vibrissa Follicles

specialized hair follicles producing sensitive whiskers in mammals

Vibrissa follicles, also known as whisker follicles, are specialized hair follicles found in mammals that produce long, stiff hairs called vibrissae or whiskers. These follicles are highly innervated, meaning they have a rich supply of nerve endings, which makes them extremely sensitive to touch and helps animals detect their surroundings, navigate in the dark, and sense nearby objects.

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research Trps1 activates a network of secreted Wnt inhibitors and transcription factors crucial to vibrissa follicle morphogenesis

59 citations , November 2011 in “Development”

This study found that the transcription factor Trps1 acts as a novel regulator of the Wnt signaling pathway and early hair follicle progenitors in developing vibrissa follicles in mice.

research Changes in fibronectin, laminin and type IV collagen distribution relate to basement membrane restructuring during the rat vibrissa follicle hair growth cycle.

45 citations , August 1992 in “PubMed”

In this study, researchers found that changes in the extracellular matrix components, particularly fibronectin, laminin, and type IV collagen, during the rat vibrissa follicle growth cycle, suggest dynamic remodeling related to dermal-epidermal signaling.

research Cyclical Changes in Rat Vibrissa Follicles Maintained In Vitro

34 citations , December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study observed that rat vibrissa hair follicles cultured in vitro showed morphological changes suggesting cyclical activity but remained blocked in the pro-anagen stage.

research Cultured dermal papilla cells of the rat vibrissa follicle. Proliferative activity, adhesion properties and reorganization of the extracellular matrix in vitro

27 citations , December 1997 in “Archives of Dermatological Research”

This study observed that cultured dermal papilla cells showed distinct functional properties from dermal fibroblasts, including lower proliferation rates, higher adhesion to collagen type IV, and different cell-matrix interactions.

research Ovine Hair Follicle Stem Cells Derived from Single Vibrissae Reconstitute Haired Skin

18 citations , August 2015 in “International Journal of Molecular Sciences”

This study developed an efficient method for isolating and enriching multipotent ovine hair follicle stem cells, which may aid in research on the ovine hair cycle and future wool production.

Exogen Involves Gradual Release of the Hair Club Fiber in the Vibrissa Follicle Model

research Exogen involves gradual release of the hair club fibre in the vibrissa follicle model

14 citations , January 2009 in “Experimental Dermatology”

In this study, researchers used a rodent model to uncover key changes in how hair fibers detach, suggesting that the exogen phase should be subdivided based on club fiber status.

research Immunohistochemical and autoradiographic findings suggest that minoxidil is not localized in specific cells of vibrissa, pelage, or scalp follicles

11 citations , January 1990 in “Cell and Tissue Research”

Minoxidil does not specifically target any hair follicle cells.

research The multipotency of adult vibrissa follicle stem cells

8 citations , March 2009 in “Differentiation”

The study demonstrated that bulge stem cells from rat vibrissa follicles respond to adult dermal papilla signals, inducing hair bulb formation and regenerating hair structures in vivo.

research Study on Organ Culture of Mouse Vibrissa Follicle in Vitro

January 1999

This study found that mouse vibrissa follicles in early anagen grew better than in other hair cycle phases, and growth was enhanced by removing the upper follicle third in vitro.

research Molecular expression associated with vibrissa follicle development and differentiation

January 2006 in “Durham e-Theses (Durham University)”

This study reports for the first time on the expression patterns of Id2 and Id3 proteins in developing hair follicles, suggesting a significant role for these proteins in hair follicle development and epithelial-mesenchymal interactions.

research Isolate and Culture Follicular Epithelial Cells from Rat Vibrissa Follicles by Two-Step Digestion Treatment

January 2006 in “Zhongguo bijiao yixue zazhi”

This study demonstrated a simple and efficient method to isolate epithelial cells from rat vibrissa follicles, reducing labor and contamination risk while maintaining positive K19 staining.

research Sheep vibrissa dermal papillae induce hair follicle formation in heterotypic skin equivalents

21 citations , December 1994 in “British Journal of Dermatology”

In this study, cultured skin equivalents with ovine hair follicle dermal papillae grafted onto nude mice developed follicle-like structures, suggesting a potential model for studying hair follicle development.

research The germinative epithelium of sheep vibrissae and wool follicles has extensive proliferative potential but is dependent on the dermal papilla

1 citations , January 2012 in “International journal of trichology”

This study found that keratinocytes derived from the germinative epithelium of ovine hair follicles have extensive in vitro growth potential, challenging the idea that these cells are solely transit-amplifying.

research Minoxidil Stimulates Mouse Vibrissae Follicles in Organ Culture

121 citations , March 1989 in “Journal of Investigative Dermatology”

Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.

research Epithelial Growth by Rat Vibrissae Follicles In Vitro Requires Mesenchymal Contact via Native Extracellular Matrix

66 citations , August 1990 in “Journal of Investigative Dermatology”

Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.

research Stimulation of mouse vibrissal follicle growth by recombinant human fibroblast growth factor 20

4 citations , April 2018 in “Biotechnology Letters”

Human growth factor 20 can boost mouse whisker growth.

research Effects of Retinoic Acid Exposure in utero on Mouse Vibrissal Follicle Development

3 citations , August 2000 in “Anatomia Histologia Embryologia”

In this study, prenatal exposure to a non-teratogenic dose of all-trans-retinoic acid showed no adverse effects on vibrissal follicle development in NMRI mice.

research Cyclosporine A stimulated hair growth from mouse vibrissae follicles in an organ culture model

1 citations , January 2012 in “生物医学研究杂志：英文版”

This study found that cyclosporine A stimulates hair growth in a mouse model by preventing catagen development and increasing expression of certain growth factors.

research Ex-vivo Hair Growth Promotion Efficacy of Biofield Energy Treated Williams Medium E using Vibrissae Hair Follicle Organ Culture

December 2018 in “Zenodo (CERN European Organization for Nuclear Research)”

This study observed that Biofield Energy Treated William’s Medium E increased telogen follicle formation in vibrissae hair follicle culture cells, suggesting potential hair growth promotion.

research Induction of follicle formation and hair growth by vibrissa dermal papillae implanted into rat ear wounds: vibrissa-type fibres are specified

125 citations , August 1992 in “Development”

This study found that implanting isolated adult rat dermal papillae into ear cuts led to the emergence of unusually large vibrissa-type hair follicles, demonstrating their capacity to induce specific hair fiber characteristics.

Localization of Members of the Notch System and the Differentiation of Vibrissa Hair Follicles: Receptors, Ligands, and Fringe Modulators

research Localisation of members of the notch system and the differentiation of vibrissa hair follicles: Receptors, ligands, and fringe modulators

62 citations , January 2000 in “Developmental dynamics”

This study found that Notch-related genes, including Notch1 and Notch2, and their ligands and regulators, have distinct patterns of expression during mouse hair vibrissa follicle development and the adult hair cycle.

research Multipotent nestin-expressing stem cells capable of forming neurons are located in the upper, middle and lower part of the vibrissa hair follicle

47 citations , August 2012 in “Cell Cycle”

This study found that multipotent, nestin-expressing stem cells from the upper part of hair follicles can proliferate significantly and differentiate into various cell types, showing potential for nerve and spinal cord repair.

research Regeneration of Hair Follicles Is Modulated by Flightless I (Flii) in a Rodent Vibrissa Model

17 citations , December 2010 in “Journal of Investigative Dermatology”

This study found that higher levels of the protein Flii were associated with enhanced hair follicle regeneration and longer hair fibers in a mouse model.

Exosomes Derived From Mouse Vibrissa Dermal Papilla Cells Promote Hair Follicle Regeneration During Wound Healing By Activating Wnt/β-Catenin Signaling Pathway

research Exosomes derived from mouse vibrissa dermal papilla cells promote hair follicle regeneration during wound healing by activating Wnt/β-catenin signaling pathway

July 2024 in “Journal of Nanobiotechnology”

This study found that dermal papilla cell-derived exosomes promote hair follicle regeneration during wound healing by enhancing fibroblast activity and activating the Wnt/β-catenin signaling pathway in mice.

research Assessment of Hair Growth Treatment with the Consciousness Energy Healing Treated Williams Medium E Using Mouse Vibrissae Hair Follicle Organ Culture

January 2019 in “Deleted Journal”

This in vitro study suggests that Biofield Energy Healing Treatment may promote hair growth as evidenced by increased telogen formation in vibrissae hair follicle organ culture cells.

research Hair Vibrissa Follicle Morphogenesis is Linked to the Expression of Retinoic Acid Receptors α and γ Genes

January 1992 in “Biology of the Cell”

Retinoic acid receptors are important for hair follicle development.

research The Stability of Vitamin A-induced Metaplasia of Mouse Vibrissa Follicles In Vitro

18 citations , October 1978 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that excess vitamin A induced stable glandular morphogenesis and mucous metaplasia in embryonic mouse vibrissa follicles, even after switching to standard medium.

research Cyclosporine A stimulated hair growth from mouse vibrissae follicles in an organ culture model

11 citations , September 2012 in “Journal of Nanjing Medical University”

In this study, cyclosporine A stimulated hair growth in mouse vibrissae organ culture by promoting matrix cell proliferation and altering growth factor expression.

research Effect of 55 Chinese herbal medicines on the biology of mouse vibrissa fcllicles in vitro

1 citations , December 2001 in “Linchuang pifuke zazhi”

In this study, certain Chinese herbal medicines were found to significantly stimulate or inhibit hair growth in an in vitro organ culture model of mouse vibrissa follicles.

research Ultrastructural Localization and Quantification of Extracellular Calcium Binding Sites in Mouse Vibrissa and Human Scalp Follicles

1 citations , January 1993 in “Skin Pharmacology and Physiology”

This study found that an extracellular calcium binding site gradient exists in mouse vibrissa and human scalp follicles, but is not significantly affected by hair growth-altering drugs or epidermal growth factor.