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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.

This study found that culturing hair follicles at the air-liquid interface enhanced hair growth and maintained an anagen-like morphology better than submerged cultures.

This study suggests that inaudible sound at 30 kHz may promote hair growth and inhibit hair loss signals in human dermal papilla cells, indicating potential as a new treatment for androgenic alopecia.

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

This review discusses current uses and advancements in mesenchymal stem cell-derived conditioned media as a potential regenerative therapy but does not present new clinical findings.

In this study using human cell cultures, type 1 5α-reductase was found to vary in both protein heterogeneity and expression levels across different types of skin cells.

This study describes a simplified method for isolating and cultivating human hair follicle papillae that can be easily executed by new lab personnel.

This study found that human skin expresses proenkephalin, whose expression is upregulated by environmental stress and varies in pathological conditions, increasing in psoriasis and decreasing in melanocytic tumors.

This study developed a method for expanding human dermal papilla cells in vitro while maintaining their ability to induce hair growth, advancing the potential for follicular cell implantation as a treatment for hair loss.

This study found that dermal fibroblast cultures, especially those with higher alpha-smooth muscle actin expression, can be used to produce skin-derived precursor cells, unlike human hair follicle dermal papilla cultures.

In this study, researchers found that certain cytokines can significantly down-regulate PDGF expression in dermal papilla cells and follicular keratinocytes, indicating a potential link between PDGF signaling and catagen induction.

This study found that substance P may be involved in the pathogenesis of acne by increasing the expression of certain cytokines and receptors in cultured sebocytes.

This study established a 3D in vitro culture system of canine keratinocyte organoids to study epidermal function and address skin disorders in dogs, though additional growth factors are needed for hair follicle development.

Androgens don't directly affect hair cell growth or protein production.

Skin cells can help create early hair-like structures in lab cultures.

This study found that proteolytic activities in murine skin vary with hair cycle stages, with significant collagenase activity during the early anagen phase.

In this study using rat hippocampal cultures, progesterone and testosterone showed neuroprotective effects against oxygen-glucose deprivation-induced neuronal cell death, while metabolism of these hormones in the brain may affect their protective actions.

This research discusses the function and culture of human dermal papilla cells, noting their unique in vitro characteristics and the ongoing efforts to understand their role in inducing hair growth.

This study suggests that skin sections from 4-week-old C3H mice could serve as an in vitro model for human androgenic alopecia, as minoxidil partially reverses suppressed hair follicle elongation.

Wool follicles can grow in a lab with the right nutrients and conditions.

This study found that treatment with vitamin D increased the expression of LL-37 through the vitamin D receptor in cultured sebocytes.

This review outlines best practices for providing culturally competent care to transgender patients and discusses considerations for assessing disease risk, but reports no new research findings.

This study found that 6-gingerol, a component of ginger, suppresses hair growth rather than promoting it, both in vitro and in vivo, suggesting potential use in hair removal treatments.

This study found that erythropoietin promotes hair growth by stimulating dermal papilla cells with functional erythropoietin receptors, enhancing hair shaft elongation and anagen phase in cultured human hair follicles and in mice.

In this study, researchers found that bulge cells cultured from rat hair follicles demonstrated stem cell characteristics and could differentiate into neural and glial lineages.

This study suggests that co-culturing human outer root sheath cells with human dermal papilla cells can restore their ability to induce hair growth by altering gene expression through paracrine signaling.

This study found that red-flowered cultivars of Hibiscus rosa-sinensis displayed the highest antioxidant activity, phenolic, and flavonoid content compared to other colored cultivars.