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This study found that canine bulge-derived keratinocytes are highly proliferative and can reconstitute pilosebaceous structures, indicating their potential utility in studying human stem cell biology and hair disorders.

This study found that minoxidil increased 17ß-hydroxysteroid dehydrogenase activity by nearly 40% in dermal papilla cells from balding scalps but not in nonbalding scalp cells or dermal fibroblasts.

This study found that chitosan and surface-deacetylated chitin nanofibrils promoted hair growth in mice and increased fibroblast growth factor-7 production in human follicle dermal papilla cells.

This review discusses micro-segmental hair analysis for forensic toxicology, emphasizing its potential to provide detailed drug distribution profiles and its application in investigations, while noting the method's limitations and future perspectives.

In this study, all five patients with zinc deficiency-related hair loss experienced improvement or recovery of their condition after receiving oral zinc treatment.

This study found that protease nexin-1 mRNA is expressed in human dermal papilla cells and is downregulated by dihydrotestosterone in balding scalp, suggesting a role in male-pattern baldness progression.

This article reviews Cronkhite-Canada syndrome as a distinct condition from Peutz-Jeghers syndrome and familial polyposis, with cases showing gastrointestinal polyposis, skin, hair, nail abnormalities, and hypoproteinemia.

This study observed that testosterone metabolism and androgen receptor localization differ significantly across body sites, with beard hair follicles showing distinct characteristics compared to occipital scalp hair follicles.

In this study, hair loss in Japanese men with androgenetic alopecia was found to be primarily due to hair follicle miniaturization rather than hair shedding, particularly in those aged 25 and older.

This study used micro-segmental hair analysis to identify the day of drug intake and suggested differing uptake mechanisms for co-administered drugs based on their properties.

This case report describes a woman experiencing severe hair loss due to allergic contact dermatitis from a hair dye containing PPD.

This case report describes improvement in amenorrhea, alopecia, and muscle spasms in a 13-year-old girl with Satoyoshi syndrome following treatment with daily tacrolimus and alternate-day oral prednisolone.

This study found that osteopontin mRNA is abundantly expressed in dermal papilla cells during the catagen phase of hair growth in rats, suggesting a role in this phase.

This study found that a topical vitamin D3 analogue had an anti-proliferative effect on guinea pig skin epidermis.

This study suggests that minoxidil is a potent stimulator of elastin expression in embryonic skin fibroblasts, primarily affecting elastin mRNA levels, without impacting cell proliferation during the stationary phase.

This study identified a severe MBTPS2 gene mutation in a Japanese patient with IFAP syndrome, suggesting other factors may influence the varied clinical severity of the condition.

This study found that serum MIF levels were significantly higher in patients with extensive alopecia areata compared to those with mild alopecia areata and healthy individuals.

This study found that while ozonized olive oil inhibited swelling in a mouse model of hypersensitivity, it also induced inflammatory responses and hair loss with repeated skin application, indicating potential adverse effects.

This study found that bikunin is expressed in human keratinocytes and may play a role in regulating keratinocyte function during mitosis or inflammation.

The researchers reported that sterol surfactants with a bulky planar structure effectively solubilized ultraviolet ray absorbers, offering a stable solution more efficiently than other surfactants.

This study found that an extract from the root of Sophora flavescens Aiton significantly improved hair growth in patients with androgenetic alopecia over 6 months.

This study found that a bulge stem cell-enriched population from canine hair follicles successfully formed interfollicular epidermis in vitro within two weeks, suggesting potential for regenerative canine skin therapies.

New ABCA12 gene mutations were linked to a skin condition with scaling and hair loss, and a treatment helped with hair loss in a related case.

This study reports that using activated platelet-rich plasma releasate in the preparation of bioengineered hair follicle germs enhanced follicular gene expression and significantly improved hair regeneration in vitro.

This review explores the regenerative potential of hair follicles and their role in complete skin regeneration, emphasizing the influence of mechanical factors and niche signaling pathways on hair growth and loss.

The study observed that mRAGE expression is prevalent in keratinocytes of the healthy human epidermis and may regulate inflammation and apoptosis to maintain skin homeostasis rather than responding to aging processes.

This study reports that alopecia may develop in patients with chronic exposure to high plasma concentrations of valproate, but resolved after dose reduction or treatment discontinuation.

This study investigated pilomatrixoma, a benign skin tumor, and found that irregular expression of β-catenin and Lef-1 in transitional cells may contribute to amorphous debris and cyst formation.

This study describes a novel hairless mutant rat strain, F344-Hr(krh), developed via ENU mutagenesis, which provides a model for skin disease and potentially focal glomerulosclerosis due to specific genetic mutations.

This study concluded that drug-distribution measurements using micro-segmental hair analysis are effective for drowned bodies, as natural water containing divalent ions prevents drug washout from hair.