Effects of Low-Level Laser Therapy (LLLT) on Dermal Papilla Cell Proliferation and Insulin-Like Growth Factor-1 (IGF-1) Secretion from Balding Hair Follicles
April 2014
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research Stress-Induced Premature Senescence of Dermal Papilla Cells Compromises Hair Follicle Epithelial-Mesenchymal Interaction
This study suggests that stress-induced premature senescence of dermal papilla cells may contribute to hair follicle aging by impairing critical epithelial-mesenchymal interactions and promoting inflammatory cytokine production.
research 7-Phloroeckol Promotes Hair Growth on Human Follicles In Vitro
In this study, 7-phloroeckol, derived from marine brown algae, was found to promote hair growth by increasing cell proliferation and hair shaft elongation in cultured human hair follicles.
research Insulin-Like Growth Factor-1: Roles in Androgenetic Alopecia
This study found that dermal papilla cells from balding scalp follicles secrete significantly less insulin-like growth factor-1 and its binding proteins, suggesting a mechanism contributing to male pattern baldness.
research Erythropoietin Induces Insulin-Like Growth Factor-1 from Three-Dimensional Culture of Human Dermal Papilla Cells
Erythropoietin can promote hair growth by increasing IGF-1 in hair cells.
research Effects of Substance P on the Expression of Various Factors to Control Hair Growth in Human Hair Follicle Culture
This study found that while SP did not enhance linear hair growth in cultured hair follicles, it prolonged the anagen phase and altered the expression of growth factors and apoptosis-related molecules, suggesting a stimulatory effect on hair growth.
research Hair Growth Effect of Minoxidil
This article reviews the proposed mechanism of minoxidil in treating androgenetic alopecia, suggesting it may prolong the anagen phase by modulating cell growth factors and vascular activity, but reports no new results.
research The Growth of Human Dermal Papilla Cells and Dermal Sheath Cells In Vitro
This study observed that epidermal growth factor significantly stimulated the growth of dermal papilla cells, dermal sheath cells, and fibroblasts in vitro, which supports its use in organotypic culture.
research The Hair Follicle: A Paradoxical Androgen Target Organ
This study suggests that the paradoxical effects of androgens on hair growth are due to differential gene expression in hair follicles, possibly established during embryogenesis.
research Balding Hair Follicle Dermal Papilla Cells Contain Higher Levels of Androgen Receptors Than Those From Non-Balding Scalp
This study found that dermal papilla cells from balding scalp hair follicles have significantly higher levels of androgen receptors than those from non-balding follicles, supporting their in vivo androgen response.
research An Estrogen Receptor Pathway Regulates the Telogen-Anagen Hair Follicle Transition and Influences Epidermal Cell Proliferation
This study found that 17-beta-estradiol inhibits hair growth in mice by blocking hair follicles in the telogen phase, whereas an estrogen receptor antagonist promotes hair growth by initiating anagen.
research Immortalized Rat Whisker Dermal Papilla Cells Cooperate with Mouse Immature Hair Follicle Buds to Activate Type IV Procollagenases in Collagen Matrix Coculture: Correlation with Ability to Promote Hair Follicle Development in Nude Mouse Grafts
research Interaction Between Dermal Papilla Cells and Follicular Epithelial Cells In Vitro: Effect of Androgen
This study found that dermal papilla cells from beard and axillary hair follicles can produce androgen-dependent factors that stimulate proliferation in adjacent follicular epithelial cells under testosterone influence.