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In this study, researchers developed self-assembled skin models derived from hair follicle cells, offering an ethical and reliable alternative to animal testing and bovine collagen in dermatological research by providing functional dermal and epidermal layers for substance evaluation.

This study using human and animal models found that adipose-derived stem cell exosomes promoted hair growth and counteracted dihydrotestosterone's inhibitory effects, suggesting potential therapeutic applications for androgenetic alopecia.

The researchers reported that basement membrane heterogeneity, especially laminin α5 composition, plays a critical role in distinct inter-tissue interactions and hair cycle regulation in mouse hair follicles.

This study proposes a new treatment protocol combining autologous regenerative therapy with mesotherapy and photobiostimulation for androgenetic alopecia, leveraging adipose-derived stem cells to stimulate hair follicle regeneration.

This study found that generating pluripotent stem cell-derived skin organoids in a 3D bioprinted hydrogel device improved keratinocyte differentiation and hair follicle formation while reducing necrosis.

In this study, IL-1α and IL-7 were found to work together to activate epidermal γδ T-cells, which in turn promote hair follicle stem cell proliferation during mouse wound healing.

This study found that the expression levels of Siah1 and Siah2 in mice skin vary dynamically during postnatal hair follicle development, suggesting their specific roles in modulating the HIF pathway.

In this study, the n-hexane fraction of wheat bran significantly promoted hair growth in rat vibrissa follicles and triggered the telogen-anagen transition in C57BL/6 mice, likely through cell cycle and Wnt/β-catenin signaling pathways.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

This research review found that climate change exacerbates skin conditions like photoaging, inflammatory dermatoses, and skin cancers by causing oxidative stress and inflammation, suggesting that dermatological practices should incorporate environmental and multicultural considerations to optimize patient outcomes in diverse populations.

The conclusion is that improved training and oversight for cosmetic procedures are recommended to better protect patients.

This review examines the literature on the molecular and cellular makeup of the hair follicle niche and how it influences stem cell behavior during hair regeneration, but does not provide new experimental results.

In this study, Salvia plebeia extract promoted hair growth by enhancing proliferation and anti-apoptotic effects in human dermal papilla cells and increased hair growth in treated mice.

This study observed that in vitro cocultures of hair follicle cells with dermal fibroblasts or hair papilla cells enhanced proliferation and differentiation of outer root sheath cells but did not mimic hair-type differentiation.

This review discusses the chemical composition, potential health benefits, and extraction methods of red ginseng oil, and reports no new clinical results but emphasizes safety and proposed molecular mechanisms.

The researchers observed that normal murine hair follicles are direct targets for melatonin, with receptor expression varying throughout the hair cycle, suggesting melatonin's role in hair cycle control.

This study found that Rumex japonicus Houtt. root extract promoted hair growth by enhancing cell proliferation and preventing apoptosis in human dermal papilla cells and HaCaT cells, as well as in a mouse model.

Wheat bran can boost hair growth by affecting cell cycle proteins and signaling pathways.

This study found that applying an ethanol extract of Prasiola japonica improved hair regrowth, length, and follicular density in testosterone-induced hair loss conditions in mice, while also promoting dermal papilla cell proliferation and reducing dihydrotestosterone production, though effects were less pronounced than those of minoxidil.

This study found that Grateloupia angusta extract improved wound healing by promoting matrix production and pro-angiogenic activity in cell cultures and enhanced early wound repair in a mouse skin incision model.

Modified HDL can better deliver drugs and genes, potentially improving treatments and reducing side effects.

This study reported that a decellularized porcine amniotic membrane hydrogel can alleviate inflammation and promote tissue repair in a UVB-induced skin inflammation model, suggesting its potential as a regenerative treatment for photodamage-associated skin injuries.

This study found that loss of integrin-β4 or its ligand, laminin-α3β3ɣ2, in keratinocytes increases differentiation via delamination, and demonstrated a role for hemidesmosomes in epidermal differentiation through both mitotic and non-mitotic mechanisms, influenced by Notch signaling.

In this laboratory study, researchers developed a genipin-stabilized asymmetric PLA/gelatin scaffold that mimics skin architecture, supports fibroblast proliferation, and closes scratches effectively, suggesting its potential for epidermal-dermal regeneration and applications in sensing or drug delivery.

This study found that a catechins-rich Assam tea extract demonstrated antioxidant effects and hair growth promotion in mice, suggesting its potential as a natural alternative for treating hair loss.

In this study, oral administration of strawberry guava extract promoted hair growth in both mice and humans, with active components like adenosine, fructose, digalactosyldiacylglycerol, and pedunculagin contributing by enhancing skin blood flow and activating dermal papilla cells.

In a dermal Gorab knockout mouse model, this study found that Gorab mutations increase P53 protein accumulation and disrupt extracellular matrix expression, contributing to accelerated skin aging and suggesting a pathway involving epigenetic regulation.

This study identifies cartilage oligomeric matrix protein (COMP) as a key extracellular matrix component in human hair follicle cycling, potentially regulated by TGFβ signaling, and suggests its importance in normal hair follicle biology.

This study found that "micro skin tissue columns" improved wound healing by enhancing re-epithelialization, collagen deposition, dermal remodeling, and reducing inflammation without causing long-term donor site morbidity.

This review summarizes the characteristics of the peri-malignant melanoma stroma, indicating its potential role in early dermal metastatic migration and increased metastasis risk.