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This study found that topical application of triiodothyronine (T3) can induce the transition of hair follicles from the telogen to the anagen phase in mice and stimulate hair shaft growth in vitro.

This study identified acute localized telogen effluvium as a histopathologic mechanism for temporal hair loss following rhytidectomy.

This study suggests that TGF-alpha may function in an autocrine or juxtacrine manner rather than promoting cell proliferation during hair growth cycles in ferrets and sheep.

This case report discusses two female patients experiencing significant hair loss, potentially linked to a weight loss regimen involving chorionic gonadotropin injections.

This study discusses that while the precise mechanism of minoxidil is not fully understood, its efficacy in stimulating hair growth and treating androgenetic alopecia is well-supported, with evidence showing it increases hair count and hair follicle size in treated patients.

This report describes a rare case of nonscarring alopecia linked to a tick bite on a 21-year-old male's scalp, with specific histological findings and proposed mechanisms.

This study suggests that gamma-ray irradiation affects hair follicle density, structure, and pigmentation in mice, with some changes observed in later hair cycles.

This study confirms that scalp hair follicles in Chilean subjects exhibit seasonal variations, with a higher percentage of follicles in the telogen (resting) phase during the summer compared to the winter.

This study suggests that ADAM 10 and 12 proteases may play important roles in the regulation of hair cycling through their expression patterns in hair follicle structures.

This study found that anagen hairs require less force to be extracted than telogen hairs in an in vitro pig skin model, indicating different anchorage mechanisms.

This study concluded that biotin, alone or combined with topical minoxidil, may effectively treat short anagen syndrome in children by enhancing anagen duration.

This study found that injecting bone marrow-derived mesenchymal stem cells and conditioned medium into mice promoted hair follicle stem cell proliferation and transition to active growth phases, suggesting potential clinical targets for hair loss treatment.

In this study, 0.5% timosaponin BII from Anemarrhena asphodeloides promoted hair growth in C57BL/6 male mice, showing effects comparable to 2% minoxidil.

This case report details a 3-year-old girl with short anagen syndrome, characterized by short, sparse hair, where X-ray microanalysis showed her hair's main bioelements were normal.

This article reviews various drugs reported to cause alopecia, including cytostatics and anticoagulants, but does not present new research results; it suggests that drug-related hair loss can be difficult to prove.

Naproxen is not the cause of hair loss in a child; it's due to a toxic event with expected hair regrowth.

This study highlights how sex steroids affect hair growth, reporting that testosterone used in masculinizing hormone therapy can lead to androgenetic alopecia in transgender individuals, while feminizing hormone therapy with estradiol and antiandrogens can reduce hirsutism.

In this study using mice, simultaneous deficiencies in claudin-1 and claudin-3 were associated with hair loss and altered hair follicle architecture during the telogen phase, suggesting a role in hair retention.

This study found that Rab27a and Rab27b play opposite roles in hair growth, with Rab27a knockdown suppressing and Rab27b knockdown promoting hair growth in models.

In this study, researchers found that inhibiting inducible nitric oxide synthase (iNOS) promoted hair growth in diabetic mice, suggesting iNOS-derived nitric oxide contributes to hair loss under diabetic inflammatory conditions.

This review of murine studies reports that γ-rays affect hair follicle pigmentation in mice throughout the hair cycle, while effects on hair structure may be obscured by aging.

This study found that hair follicles across mouse skin form a heterogeneous regenerative field, with distinct cycling dynamics influenced by the balance of activator and inhibitor signals, which could inform other organ regeneration research.

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.

Low-dose pulsed electric fields in a rat model shifted hair follicles from resting to active growth, with voltage as the most influential factor.

In this study, BP201, derived from porcine lung phospholipids, promoted hair growth in mice, especially when combined with minoxidil, and increased hair follicle numbers and dermal papilla cell proliferation.

In their research, Yucel and colleagues found that CaV1.2 is expressed in hair follicle stem cells, facilitating anagen re-entry in a way not dependent on calcium flux.

This case study reported a rare and delayed onset of alopecia in a patient after paclitaxel chemotherapy, potentially influenced by the interaction of thyroid hormones and chemotherapy affecting hair follicle cycles.

This study found that SPELA 707, a herbal extract mixture, enhanced hair density and promoted hair growth by converting hair into the anagen phase in individuals with androgenetic alopecia and C3H mice.

This study suggests that inducible transgenic mice showing hair follicle changes similar to telogen effluvium in humans might serve as a useful model for understanding this type of hair loss.

This study found that topical application of partial proteasomal inhibitors accelerates hair growth by stabilizing β-catenin and disrupting the hair cycle's normal balance of activation and quiescence.