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This case report describes a diagnosis of cutaneous pilus migrans in a 19-month-old girl, highlighting its rarity and distinction from larva migrans, and confirming it through microscopic examination.

This study observed that some patients with homozygous c.736T>A mutation in LIPH may have mild hypotrichosis with long hairs in adulthood.

This case report describes an 8-year-old boy in Saudi Arabia diagnosed with IFAP syndrome, highlighting its distinct characteristics and distinguishing features from similar conditions, and notes successful genetic confirmation of the disorder.

This case report describes the first documented occurrence of pili torti in a healthy young adult cat, marked by noninflammatory and nonpruritic symmetrical multifocal alopecia.

This study found that hairless dog breeds have adapted to maintain normal body and core temperatures through structural changes like a thicker epidermis and the role of melanin in thermoregulation, with genetic mechanisms involving the FOXI3 gene governing hairlessness.

In this study, three patients with alopecia areata exhibited spotty absence of the whiteness of their nail lunulae, potentially due to defects in the matrical epithelium.

This study identified a novel mutation and confirmed a previous mutation in the LIPH gene in a woman with autosomal recessive woolly hair, expanding the mutation spectrum for this condition.

This study found that injecting interferon gamma into C3H/HeJ mice did not alter the frequency or onset of alopecia areata, suggesting the protein alone does not trigger the disease.

This report of ichthyosis follicularis in two boys discusses the challenges of distinguishing it from similar disorders, noting its rarity and unclear inheritance pattern without providing new clinical results.

This study found that innate lymphoid cells-type 1 (ILC1lc) can induce alopecia areata (AA) by disrupting hair follicle immune privilege and causing hair follicle dystrophy and regression in both ex vivo and in vivo settings.

In this study, knockout mice lacking the Cyp4f39 gene showed severe skin barrier dysfunction and high early mortality, suggesting its critical role in skin barrier formation and insights into ichthyosis pathogenesis.

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 report describes a case of alopecia areata incognita in a 6-year-old child, marked by sudden diffuse hair loss without bald patches, typically observed in adults.

This study in a murine model of alopecia areata found that IFNg is crucial while perforin is not necessary for CD8 T cell-mediated disease development.

This study found that depleting HIF-P4H-2 in FoxD1-lineage cells in mice led to disrupted hair follicle development, resulting in truncal alopecia but normal cranial hair, suggesting its crucial role in hair homeostasis.

This study found that ILC1-like cells can induce alopecia areata symptoms in both ex vivo human hair follicles and in vivo mouse models, challenging the view that alopecia areata is solely CD8+ T cell-driven.

This study identified compound heterozygous mutations, c.1101del and c.736 T > A, in the LIPH gene responsible for causing autosomal recessive woolly hair in a child, with c.1101del being a novel frameshift mutation.

This study highlights the loss of hair-type keratin genes in cetaceans compared to terrestrial mammals, suggesting a potential adaptive role linked to their hairless phenotype and habitat changes.

In this study, researchers observed that fasting-induced molting in laying hens led to increased thyroid hormones, which may regulate feather molting by affecting hair follicle growth through specific signaling pathways, highlighting molecular changes during induced molting.

This study demonstrated that AIRE-deficient rats exhibit key symptoms of APECED, making them a relevant model for exploring potential treatments.

This study found that the Hr gene loss and positive selection for the FGF5 gene in cetaceans likely contributed to hair loss as these animals adapted to aquatic environments.

In this case report, researchers detailed a 22-year-old Turkish woman diagnosed with autosomal recessive woolly hair/hypotrichosis (ARWH/H), linked to a mutation in the LIPH gene, resulting in sparse, poorly growing, curly hair, highlighting the need for genetic consideration in similar hair conditions.

In this mouse study, the absence of the Ascl4 gene did not affect the development of hair follicles, teeth, or mammary glands, suggesting it is non-essential for these processes.

This study found that a nonsense mutation in the Cst6 gene of mice leads to severe skin and hair abnormalities, suggesting that cystatin M/E is crucial for epidermal function and viability.

This review summarizes recent findings on FOXN1's essential role in thymus and skin biology and discusses emerging therapeutic approaches for immune disorders with athymia, but reports no new clinical results.

An infant with complete hair loss was diagnosed with a genetic disorder affecting hair growth.

This study found that disrupting the inturned gene in developing mouse epidermis halted hair follicle formation due to impaired keratinocyte differentiation, highlighting primary cilia's role in tissue-specific planar cell polarity signaling.

This study found that low fluence photoepilation with intense pulsed light targets the pigmented area of hair follicles, causing temporary hair loss by inducing a catagen-like state without severe follicle damage.

This study suggests that hairlessness in nude mice may be due to insufficient expression of phospholipase C-δ1, a molecule essential for normal hair development downstream of the Foxn1 gene.