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This article examines various types of childhood alopecia and highlights the importance of identifying chronic conditions or those linked to underlying medical issues, but reports no new results.

COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.

In this study, researchers used single-cell RNA sequencing to map the hair follicle microenvironment in fine-wool sheep, identifying specific cell types and gene expressions that influence wool fiber diameter, with dermal papilla cells playing a significant role in hair follicle development.

This study found that Super Merino sheep have a higher wool follicle density, finer fleece, and distinct gene expression compared to Small Tail Han sheep, which may inform future breeding and genetic interventions.

This study reports that hair fibers degrade most in acidic sandy clay, while silicone oil treatment is effective for conserving various hair types and artifacts.

Among Merino × Southdown cross sheep, this study found that certain variants of the KRT81 gene were associated with differences in fleece weight, but not with staple length or fibre diameter traits.

This study suggests that miR-144 influences hair follicle dynamics through its impact on Lhx2, which could lead to advancements in cashmere production, fleece quality, and treatments for hair growth disorders.

This study identified a new gene in sheep, KRTAP36-2, discovering variants associated with wool yield. Variations in this gene were linked to the efficiency of fleece conversion from greasy to clean, which may enhance wool production.

This study found distinct expression patterns of various transcription types during hair follicle morphogenesis, providing a foundation for understanding hair development mechanisms and aiding selective breeding for desirable wool traits in a specific breed.

This study identified genetic differences between Australian White Sheep and Hu Sheep that may explain their distinct pelage types, with a focus on subcutaneous adiposity and immunoregulation. The findings suggest potential targets for breeding climate-resilient sheep, enhancing our understanding of heat tolerance in these breeds.

This study found that mutations in certain keratin genes significantly affect wool traits in Chinese Merino sheep, suggesting these genes could be important for sheep breeding to improve wool quality.

This study applied a machine learning-based genomic analysis to identify genetic markers associated with wool traits in Central Anatolian Merino sheep, successfully highlighting loci relevant to fiber diameter, staple length, and greasy fleece yield, which could inform breeding programs to enhance wool quality and yield.

This study suggests that β-catenin plays an important role in wool follicle development in transgenic sheep by enhancing the expression of keratin protein genes.

This study identified a gene variant in the TRPV3 gene that may explain the suri alpaca phenotype, characterized by longer and less crimped fleece, suggesting this variant's involvement in the development of these hair characteristics compared to the huacaya phenotype.

This study identified dynamic changes in DNA methylation associated with different growth stages in Tan sheep, which may offer insights to retain their valuable curly fleece as they age.

This study found that numerous genes involved in hair growth, including 73 co-up-regulated ones, were differentially expressed in goat hair follicles during the hair growth cycle.

This study reveals that β-catenin and retinoic acid are key regulators in the gene networks controlling the fate of skin appendages, such as scales and feathers.

This study found that melatonin treatment significantly increased wool production and hair follicle activity in German angora rabbits, with larger effects seen in defleeced animals and those treated in July.

This article discusses the common dermatological issues in adolescence linked to hormone fluctuations, such as acne and excessive sweating, and reports no new clinical results.

In this study, researchers used transcriptome sequencing to identify 1543 differentially expressed genes between cashmere and normal goats, implicating several signaling pathways and key regulators in the distinct gene expression profiles linked to cashmere fiber production, which advances understanding of cashmere goat genetics.

This study suggests that variations in α-keratin proteins influence the structure and characteristics of wool fibers, indicating that keratin genes could serve as useful markers for identifying different wool traits.

This review analyzed the complex interactions within the skin microenvironment that influence hair follicle development and regeneration, exploring its role in hair-related disease treatment and highlighting research challenges and future directions.

In this study, researchers created a mouse model using CRISPR/Cas9 technology to investigate hypotrichosis simplex and woolly hair, finding that Krt71-knockout mice exhibited curly hair and developed complete hair shedding without immune deficiencies, mimicking conditions seen in humans and potentially aiding future hair disorder research.

This study suggests that UMPP activation is a key signaling pathway in differentiating primary and secondary hair follicles in cashmere goats.

This study found that the transcription factor CAP1 negatively regulates KRT83 expression in Tan sheep, possibly influencing their curly hair phenotype.

This study reports that a sarcoptic mange outbreak, likely originating from mange-infected llamas from a governmental program, dramatically reduced vicuña and guanaco populations in San Guillermo National Park, Argentina.

This paper reviews the advancements and applications of single-cell transcriptomics in animal research, highlighting its potential to enhance understanding of animal nutrition, health, genetics, and disease models.

In this study, researchers found that single SNPs have a small genetic effect on phenotypes in Inner Mongolia cashmere goats, and constructing haplotypes from associated SNPs may uncover complex variations in cashmere traits, aiding genomics and breeding efforts.

This study identified a primitive coarse wool characteristic in Merino sheep that enhances environmental adaptability and fine wool yield without reducing quality, suggesting that epigenetic mechanisms, particularly involving the imprinted Gtl2-miRNAs locus, regulate this advantageous trait.

mIGF-1 in skin cells speeds up wound healing and hair growth in mice without harmful effects.