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This study found that the absence of sebaceous glands may be an early factor in the development of keratosis pilaris, leading to hair shaft and skin barrier abnormalities, independent of filaggrin mutations.

This case report describes a Thai male with TRPS1 who exhibited unique and unreported features such as hypoplastic mandibular condyles, double mental foramina, and distinctive hair abnormalities.

This case report describes a unique instance of an otherwise healthy infant with phylloid terminal hair nevus, a form of hypomelanosis without extracutaneous abnormalities.

This review discusses the effects of protein-based cosmetics on hair properties and reports no new research findings, suggesting potential benefits for developing advanced, sustainable hair products.

This study found that the angora mouse mutation prolongs the anagen phase, resulting in excessively long hair and follicular abnormalities, without involving circulating hair cycle factors.

In this study, researchers observed that mice with the naked gene showed frequent absence of hair cuticle and cortical cells during follicle growth, with abnormal keratin deposition also noted.

This study revealed that manual thyroid examinations in alopecia patients may uncover thyroid abnormalities undetectable by blood tests alone, but further research is needed to assess their clinical importance.

New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.

This study found that pelage abnormalities in Harlequin mutant mice are linked to severe AIF deficiency and associated with altered expression of genes related to hair structure.

This study reports that structural abnormalities in the inner root sheath of hair follicles may cause the hair shaft to be loosely attached in patients with loose anagen hair syndrome.

This study found that alopecia areata patients with a CCHCR1 gene variant had higher recurrence rates and structural abnormalities in hair compared to those without the variant.

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

This source describes the development, structure, and types of skin appendage tumors, noting both benign and malignant forms, potential associations with syndromes, and categories based on follicular differentiation.

This study reported that defects in the hair cuticle were found in every case of major structural hair abnormalities examined.

This study found that AHCC supplementation significantly reduced alopecia severity in Ara-C treated rats and mitigated liver injury-related side effects in mice treated with 6-MP and MTX.

This study describes a rare form of congenital alopecia in domestic short hair cats, characterized by hair shaft defects and follicular dystrophy similar to those seen in certain mutant mouse strains.

This study observed that Ptprq mutant mice exhibit significant abnormalities in hair bundle structure and vestibular dysfunction, suggesting similar issues may contribute to hearing loss and vestibular problems in humans with PTPRQ mutations.

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 demonstrated that a ligand-independent action of the vitamin D receptor significantly affects keratinocyte behavior in hair follicles and skin, pointing to its crucial role in maintaining normal hair and skin structures in rats.

The study concluded that fatty acid transport protein 4 in epidermal keratinocytes is crucial for maintaining normal skin structure, as its deficiency led to hyperkeratosis and epidermal barrier disruption in mice.

This study found that a novel rare variant in ITGB6 may cause intellectual disability, alopecia, and dentogingival anomalies in a specific Pakistani family, highlighting a potential role for ITGB6 beyond enamel formation.

This study found that targeting SV40 T antigen expression to hair follicles in transgenic mice caused abnormal hair structure and hair loss, but did not lead to cell immortalization or tumor formation in follicles.

In this study, structural and functional brain abnormalities specific to visuospatial and somatosensory processing networks were observed in patients with anorexia nervosa, highlighting a critical role for the precuneus.

This study found that mutant mice with the we/we wal/wal genotype exhibit significant defects in hair shaft structure and epidermis stratification, correlating with postnatal alopecia symptoms.

The Naked gene in mice causes abnormal sebaceous glands and disrupts hair follicle organization.

This study found that schizophrenia-derived neurons exhibited impaired differentiation and mitochondrial dysfunction, suggesting a potential link between these factors and neurodevelopmental processes in schizophrenia.

This article reviews the impact of nutritional deficiencies on hair health, detailing how they can cause structural abnormalities, pigmentation changes, or hair loss; it presents no new clinical findings.

This study found that trichothiodystrophic hair shows reduced and disoriented protein deposition in follicles, with both the cuticle and cortex affected, providing localized structural insights into keratin abnormalities.

This study evaluated dermoscopic findings in patients with different types of primary cicatricial alopecias, suggesting trichoscopy may aid in differential diagnosis by revealing abnormalities in scalp structures.

This review discusses the effects of mineralocorticoid receptor overexpression in mice skin, reporting no new data but highlighting its link to epidermal atrophy, early barrier formation, eye issues, and hair loss.