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Glossary Perifollicular Vascularization

Perifollicular vascularization refers to the network of blood vessels surrounding hair follicles, which plays a crucial role in supplying nutrients and oxygen necessary for hair growth and maintenance. This vascularization is significant in the context of hair loss, as inadequate blood flow can lead to weakened hair follicles and contribute to conditions such as androgenetic alopecia. Key distinguishing characteristics include the density and health of the blood vessels, which can be influenced by factors such as age, hormonal changes, and overall scalp health. Enhanced perifollicular vascularization is often associated with improved hair growth and recovery from hair loss.

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research Hyaluronate Accumulation and Decreased CD44 Expression in Perifollicular Solitary Cutaneous Myxoma

9 citations , January 2002 in “Dermatology”

This study found that cutaneous myxomas showed decreased CD44 expression in follicular epithelial proliferations, which may be related to abnormal hyaluronate accumulation in these lesions.

research Hair growth control by innate immunocytes: Perifollicular macrophages revisited

21 citations , March 2019 in “Experimental Dermatology”

This review discusses the role of perifollicular macrophages in hair growth and suggests targeting them could be relevant for managing hair growth disorders, but reports no new results.

research Co‐localization of alopecia areata and lichen planopilaris in a patient receiving immunosuppressants: A rare case

1 citations , July 2020 in “Journal of cosmetic dermatology”

This case report describes a patient with systemic lupus erythematosus who developed both alopecia areata and lichen planopilaris despite immunosuppressive treatment, suggesting a shared immunopathogenesis between these disorders.

Perifollicular Vascularization: Cocultures and Tricultures Approaches to Study the Cross-Talk Between Microvascular Endothelial Cells, Follicle Papilla Cells, and Keratinocytes

research Perifollicular vascularization: Cocultures and tricultures approaches to study the cross-talk between microvascular endothelial cells, follicle papilla cells and keratinocytes

December 2015 in “Vascular Pharmacology”

Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.

Stress Inhibits Hair Growth in Mice by Inducing Premature Catagen Development and Harmful Perifollicular Inflammatory Events via Neuropeptide Substance P-Dependent Pathways

research Stress Inhibits Hair Growth in Mice by Induction of Premature Catagen Development and Deleterious Perifollicular Inflammatory Events via Neuropeptide Substance P-Dependent Pathways

194 citations , March 2003 in “American Journal of Pathology”

This study found that psychoemotional stress disrupts hair growth in mice by terminating anagen and suggests a potential pathway for pharmacological management of stress-related hair loss in humans.

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community Perifollicular Fibrosis and its role in androgenetic alopecia. Is Aminexil/Kopexil a must for anyone with AGA?

5 upvotes 4 years ago

Aminexil/Kopexil may help reduce hair loss by addressing perifollicular fibrosis in androgenetic alopecia, but it lacks the extensive clinical backing of finasteride and minoxidil. Some users find it effective, but availability and cost are issues, especially in the US where it's not FDA-approved.

community Polydopamine Synergizes with Quercetin Nanosystem to Reshape the Perifollicular Microenvironment for Accelerating Hair Regrowth in Androgenetic Alopecia.

11 upvotes 2 years ago

A quercetin-encapsulated and polydopamine-integrated nanosystem (PDA@QLipo) shows promise for treating androgenetic alopecia by reshaping the perifollicular microenvironment, outperforming minoxidil in hair regeneration. The nanosystem promotes cell proliferation, hair follicle renewal, and recovery by scavenging reactive oxygen species and enhancing neovascularity.

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