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The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.

This study suggests that hair loss disorders like Marie Unna hereditary hypotrichosis may result from mutations that disrupt post-transcriptional regulation of HR protein expression by PCPB2 interacting with Hr mRNA.

This paper reviews adverse events related to hedgehog pathway inhibitors in advanced basal cell carcinoma patients, reporting no new clinical results but aiming to inform healthcare professionals for improved patient care.

This study used developing mouse hair follicles to explore early epithelial bud formation, finding that the Rho GTPase regulator ARHGEF3 plays a crucial role in regulating cell fate and cadherin patterning, with knockouts showing disrupted morphology and increased straight hair follicle growth.

This study found that a specific fragment of AIMP1, secreted by hair follicle stem cells, activated dermal papilla cells, leading to enhanced hair regrowth and maintenance in mice.

In this study, researchers observed that the combination of hair progenitors and their micro-niche changes every three days in mouse zigzag hair, and disruptions in specific genes affected this rhythm, highlighting the importance of this periodic change for normal hair morphology.

This study found that WISP-1 plays a key role in ligamentum flavum fibrosis through the Hedgehog-Gli1 pathway, with cyclopamine showing potential to reduce fibrosis effects in a rabbit model.

This study found that Hopx labels a long-lived progenitor population in hair follicles, which contributes to hair follicle stem cell homeostasis and has an alternative origin from previously thought progenitors.

This review discusses Hutchinson-Gilford Progeria Syndrome, its symptomatology, and the progress in developing treatment strategies, emphasizing that while a cure remains elusive, advances in understanding the disease's molecular mechanisms show promise for future approaches.

This study found that SHJH hr mice, with a Hairless gene mutation, exhibit accelerated skin aging potentially due to poor antioxidative protection, highlighting the Hr gene's role in skin aging.

In this case report, the authors described how a 27-year-old male developed scarring and penile shortening after a previous lengthening procedure, which was successfully repaired using a pedicled superficial circumflex iliac artery perforator flap combined with a novel hybrid technique.

In this rat study, HHK implantation after spinal cord injury did not significantly improve locomotion but may have integrated into the spinal tissue, potentially aiding recovery and reconstruction.

In this study, hypoxic conditions were found to enhance stemness in hair follicle neural crest stem cells, while inhibiting the Hippo pathway significantly decreased their proliferation.

This study found that hair follicle stem cells from hidradenitis suppurativa patients showed alterations in cell cycle regulation and DNA replication, potentially linking genetic predisposition to the skin inflammation characteristic of the disease.

This study found that Brg1, a chromatin-remodeling enzyme, plays a critical role in hair regeneration and early epidermal repair by regulating bulge stem cells through a Brg1-Shh interaction.

This study found that mutations in the hairless gene in mice disrupt hair follicle integrity during catagen, leading to baldness due to disintegrating epithelial structures and loss of normal dermal papilla.

This study suggests that while PTH rP initially seemed to shorten the hair cycle by transitioning hair follicles from anagen to catagen, more relevant models indicate it ultimately accelerates and stimulates hair growth.

This study found that deleting the Hes1 gene disrupts hair regeneration by delaying anagen initiation and shortening the anagen phase, suggesting it's crucial for maintaining hair cycle homeostasis.

This article discusses the introduction of human recombinant hyaluronidase in hair restoration surgery and presents no new clinical results.

In this case report, a 13-year-old girl with Pitt-Hopkins syndrome developed hair curling after starting the antiepileptic drug perampanel, which had not been previously reported as a side effect.

This study describes a mouse model for Marie Unna Hereditary Hypotrichosis, identifying mutations in the hairless gene that result in sparse or absent hair and cyst-like hair follicles.

This study found that small proline-rich proteins modify the biomechanical properties of cornified cell envelopes in rodent forestomachs, potentially affecting the tissue's ability to withstand mechanical stress.

This study identified a population of GFP-expressing nestin-positive cells in transgenic mice hair follicles that varied in location during different hair cycle phases, suggesting a shared relationship with neural stem cells.

This study found that activating the Sonic hedgehog pathway in scarring wounds can redirect wound repair to favor hair follicle regeneration instead of fibrosis.

This study found that patient-derived HGF significantly accelerates wound healing in diabetic mice, particularly improving skin structure and flexibility, and rHGF plays a key role in boosting hair growth.

This study found that the humanin analogue HNG significantly promoted hair growth in vitro and in vivo by prolonging the anagen phase and inhibiting hair follicle cell apoptosis in mice.

This case report describes a 4-year-old boy with Penile Hair Tourniquet Syndrome caused by a hair coil, highlighting the importance of early diagnosis in circumcised boys to prevent severe complications.

This paper reviews the role of endoplasmic reticulum stress and the unfolded protein response in Hutchinson-Gilford progeria syndrome-related atherosclerosis, especially in vascular smooth muscle cells, but reports no clinical findings; intervention in these pathways is suggested as a potential therapeutic strategy.