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Human hair follicles have a unique cell distribution and differentiation pattern during growth.

This study suggests that human placenta treatment may promote hair regrowth in chemotherapy-induced alopecia by inhibiting apoptosis and encouraging hair follicle proliferation in a mouse model.

This review discusses immunohistological and immunofluorescent methods for studying the human hair follicle cell cycle, reporting no new results, and suggests its potential for advancing cell cycle research.

This research observed that during the catagen phase, the inner root sheath of hair follicles becomes an early target, highlighting its potential role in maintaining hair follicle homeostasis.

This article describes a method using the CUBIC protocol to clarify and visualize molecular and cellular interactions in mouse skin biopsies at single cell resolution, but does not provide new biological findings.

In this study, among Indian patients with triple-negative breast cancer, Ki-67 expression levels were high but not significantly associated with treatment response to a neoadjuvant docetaxel-carboplatin regimen, which showed complete clinical, imaging, and pathological response rates of 39.13%, 34.78%, and 47.61%, respectively.

This study concluded that the Wnt signaling pathway does not significantly influence human keratoacanthoma development, but the overexpression of Sox9 suggests alternate signaling involvement.

This study found that scalp hair follicles had higher expression of cytokeratin 15 and distinct hair layers compared to other body regions, highlighting differences in hair follicle characteristics.

This study found that combining platelet-rich plasma therapy with minoxidil significantly improved hair growth and hair follicle cell proliferation in men with androgenetic alopecia compared to either treatment alone.

This study found that NFI-C plays a crucial role in the transition from the telogen to anagen phase of the hair follicle cycle, affecting hair growth initiation in mice.

This study found that Schistosoma mansoni cercariae stimulate epidermal keratinocytes in mice, initiating pro-inflammatory responses and barrier repair mechanisms akin to those in wound healing.

In this study, Geranium sibiricum L. extract promoted hair growth in vitro with human dermal papilla cells and in vivo in mice, outperforming minoxidil by proliferating cells and stimulating growth factor expression, suggesting its potential as a hair growth treatment.

This study found that foot shock stress prolonged the telogen stage and delayed anagen induction in the hair cycle of non-depilated mice, potentially through stress-induced actions of substance P.

In this study, electrical stimuli at low voltage and frequency settings promoted hair growth in vitro and in rabbit models, possibly by activating pathways like Wnt/β-catenin.

In this study, quercitrin was reported to promote hair growth and cell viability in cultured human dermal papilla cells by enhancing cellular energy metabolism and growth factor production via MAPK/CREB signaling.

This study reported the feasibility of detecting six cell-cycle-related nuclear markers in plucked human scalp and eyebrow hair, providing valuable insights for future intervention studies.

This study found that adiponectin promotes hair growth in cultured human hair follicles, suggesting its receptors could be a target for clinical hair growth strategies.

This study found that actively targeted AN2728-loaded nanocarriers reduced inflammation and improved skin condition in a mouse model of psoriasiform inflammation compared to free drug and non-targeted nanoparticles.

In this study, cyclosporine A stimulated hair growth in mouse vibrissae organ culture by promoting matrix cell proliferation and altering growth factor expression.

This study found that a blackcurrant extract with phytoestrogen activity increased hair number and stem cell marker expression in a menopausal rat model, suggesting a potential benefit for hair loss.

This study found that IPL hair reduction led to significant decreases in hair count and thickness by promoting hair follicle miniaturization, increased telogen phase, and reduced cell proliferation.

This study suggests that high proliferative activity and peripheral invasion are key indicators of malignancy in canine sebaceous gland tumours. It also reports a higher incidence of circumanal gland and testicular tumours, indicating a possible androgen-related pathway in tumour development.

This study reported that ELL is crucial for maintaining the proliferative capacity of the basal layer in human epidermal keratinocytes by stabilizing RNA polymerase II at the transcription start site.

This study found that exposure to 50 Hz electromagnetic fields enhanced hair regrowth in mice by increasing stem cell proliferation and keratinocyte growth factor expression, suggesting potential benefits for hair loss treatment.

This study found that kukui nut oil (AMS oil) promotes hair growth in human hair follicle cultures by increasing PGF2α levels and activating Nrf2 signaling, and a human trial confirmed its efficacy in enhancing eyelash growth.

In this study using mouse models, researchers found that elevated IL-17a in aged olfactory epithelium impairs olfactory function, while IL-17a inhibition promotes regeneration and mitigates age-related decline.

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.

This study found that Oriental melon leaf extracts promoted hair growth in a mouse model and cultured human hair follicles, suggesting potential use as a treatment for hair loss.

In this study, platelet-rich plasma significantly increased hair regrowth and reduced symptoms of alopecia areata compared to triamcinolone acetonide or placebo, with no observed side effects.

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.