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This study found that androgen metabolism within hair follicles varies significantly between compartments, with dermal papillae showing high 5α-reductase activity, suggesting a key role in androgen-driven hair growth responses.

This study found that human hair follicle dermal cells, specifically dermal sheath cells, can serve as an alternative and potentially superior cell source for constructing the dermal component of bioengineered skin in both in vitro and in vivo settings.

In this study using a mouse model, Prom1+ dermal papilla cells were found to regulate the size of the papilla via β-catenin communication but did not aid in dermal repair.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

This study reported that baicalin activates the Wnt/β-catenin signaling pathway in mouse hair follicles, suggesting its potential as a topical treatment for hair loss.

This study found that injecting autologous dermal sheath cup cells significantly increased hair density and diameter in male and female pattern hair loss compared to a placebo for up to 9 months.

This study found that injury affects the behavior of hair follicle dermal stem cells, steering them towards recruitment into the dermal papilla, a shift influenced by the hair cycle stage.

In this study, researchers established five new immortalized human dermal papilla cell lines from a male with androgenetic alopecia, which may serve as valuable tools for hair research.

Niosomes are a promising and effective way to deliver drugs through the skin.

This study observed that aging leads to significant structural and biological changes in the scalp's hair follicle environment in women, which may affect hair growth.

This study found that knockdown of PCAT1 inhibited hair follicle regeneration in nude mice by disrupting the miR-329/Wnt10b axis and Wnt/β-catenin signaling, highlighting PCAT1's role in promoting follicle regrowth.

This study observed that dermal papilla cell aggregates showed increased viability and gene expression on softer 3D substrates, indicating the importance of substrate stiffness in cellular behavior.

In this study, pantothenic acid at 20 μg/ml was observed to promote dermal papilla cell proliferation and migration, likely through up-regulation of ID3 and inhibition of Notch signaling.

In this study, knockdown of XIST in 3D-cultured dermal papilla cells inhibited hair follicle regeneration by interfering with miR-424 and hedgehog signaling, highlighting XIST's role in hair development.

This study reports that novel core-ABS nanocarriers efficiently loaded with dexamethasone and finasteride show potential for dermal drug delivery, exhibiting non-toxic interactions with human keratinocyte cells and skin penetration.

This study suggests that dermal stem/progenitor cells can be enriched by intracellular granularity and display high proliferation and differentiation potential in vitro, distinguishing them from other fibroblasts and progenitors.

This study found that androgens downregulate BMP2 in dermal papilla cells, inhibiting hair follicle stem cell differentiation, while BMP2 addition may restore hair lineage differentiation through the Wnt/β-catenin pathway.

Hair loss treatment caused more hair loss in a man.

This study suggests that Annexin A2 isoform 2 might play a role in regulating the proliferation and growth of dermal papilla cells, potentially impacting the hair follicle growth cycle.

This study found that dermal papilla cell-conditioned medium can protect against UV-induced skin aging in a mouse model by modulating ferroptosis pathways, highlighting its potential for treating oxidative stress-related skin conditions.

This study found that human hair follicle dermal papilla cells and keratinocytes self-assembled differently in 3D spheroid co-cultures, providing insights into cell distribution and organogenesis during skin regeneration.

This study found that Biofield Energy Healing Treatment significantly increased the proliferation of human hair follicle dermal papilla cells in vitro, suggesting potential as a hair growth enhancer.

Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.

This study suggests that the Leptin receptor may serve as a novel cell surface marker for dermal papilla cells, potentially aiding future isolation and research efforts in hair follicle regeneration studies.

This study found that in obese mice, local antimicrobial activity is reduced due to a loss of adipogenic stem cells and an increase in mature adipocytes, leading to higher susceptibility to skin infections.

In this study, researchers found that Biofield Energy Healing Treatment significantly increased the proliferation of human hair follicle dermal papilla cells in vitro, suggesting potential hair growth benefits.

This study suggests that dermal Wnt/β-catenin activation timing is crucial for hair follicle initiation, with potential non-cell autonomous regulation of dermal condensate size.

This study found that activating Wnt/beta-catenin signaling in hair follicles is sufficient to induce adipocyte generation in the dermis, affecting both hair follicle stem cell activation and adipocyte differentiation.

Dermagraft and Dermalogen had a lot of granulation, while Alloderm, Integra, and ADM had good blood vessel growth for skin healing.

ROS may affect hair loss related to hormones.