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A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.

This study identified the same N-terminal and C-terminal amino acids in human and horse hair as previously found in wool and feather keratin.

This study observed that hair fibers in older women become more curved with age, decreasing hair luster due to their disordered alignment and structural differences between the convex and concave sides.

In this study, cats fed trace minerals complexed with lysine and glutamic acid displayed temporary improvements in hair loss and dander scores at 45 days, compared to those receiving inorganic trace minerals, although no differences were seen by day 90.

This study found that using a hair-hardener improved hair thickness, amino acid content, surface condition, tensile strength, and wave efficiency without causing any allergic reactions in participants.

This study found that PGA-4HGF nanoparticles enhanced hair growth in mice more effectively than 4HGF alone by increasing anagen phase duration and dermal papilla cell proliferation.

In this randomized controlled trial, the topical application of a PGA solution significantly increased hair density in patients with androgenetic alopecia compared to placebo, with no adverse reactions reported over 24 weeks, suggesting its potential as a safe and effective treatment option.

This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.

This study reported a case of hereditary vitamin D–resistant rickets caused by a single heterozygous missense mutation in the VDR gene, showing dominant-negative effects and reduced response to 1,25-dihydroxyvitamin D3.

This study found that women with PCOS had significantly higher levels of several autoantibodies compared to healthy controls, suggesting a potential autoimmune component to PCOS that might aid in better disease characterization and personalized management.

This study identified a novel heterozygous missense mutation in the hHb3 gene associated with monilethrix, highlighting its role in this hair disorder.

This study demonstrated that both HR isoforms are expressed in keratinocytes, but HRDelta1072-1126 lacks corepressor activity and may act as a coactivator by inhibiting HDAC recruitment to the VDR transcriptional complex.

This study reports that riboflavin may increase enzymatic activity in a GCDH-deficient patient with specific mutations, but doesn't fully normalize urinary organic acid levels.

This study reviews advancements in the use of biodegradable polymers for wound healing, highlighting various polymer formulations and the observed enhancement of processes like cell proliferation and wound healing in both in-vitro and in-vivo experiments.

This study found that combining kemiri oil and garlic oil at a 1:1 ratio with 200 ppm concentration was most effective for promoting rabbit fur growth in terms of length and weight.

This study found that the AR-E211 A allele is associated with a lower risk of both metastatic prostate cancer and androgenetic alopecia in an Australian population.

The researchers reported that the novel MBTPS2 variant p.Glu172Asp found in a male proband is likely pathogenic, consistent with osteogenesis imperfecta symptoms and molecular signatures, including disrupted fatty acid metabolism and collagen production.

This study suggests that a mixture of 5‐ALA and iron ion significantly improved hair growth in mice, comparable to minoxidil, without promoting keratinocyte or fibroblast proliferation in vitro.

This study highlights that azelaic acid, initially recognized for skin hypopigmentation, shows potential in treating various skin conditions due to its complex mechanisms, even though these are not yet fully understood, indicating a need for further research.

This review discusses the effects of valproic acid on immune cell activation and gene expression, potentially influencing infection outcomes and suggesting its promise for autoimmune and hypersensitivity condition management.

In this study, researchers found that the naked (N) gene in mice indirectly affects the synthesis of structural proteins in mouse hair, resulting in reduced high tyrosine protein content and unusual amino acid compositions.

In this study, researchers found that using 0.75% aspartic acid as an intermediate agent for a permanent wave improved wave formation and retention compared to a control in virgin hair, also reducing cuticle damage and maintaining tensile strength.

This study found that HAMA hydrogels promote faster healing of skin wounds in mice by enhancing the accumulation of anti-inflammatory macrophages and increasing type III collagen in the local wound environment.

The researchers evaluated scientific data on the usage and pharmaceutical applications of ascorbic acid derivatives, such as ascorbyl-6-palmitate and ascorbyl-2-glucoside, highlighting their development into stable delivery platforms to overcome ascorbic acid's instability and formulation challenges.

This study found that a higher potassium diet in lysine-deficient rats partially protected against hair loss and increased liver fat, suggesting these rats require more potassium.

This study found that fish oil supplementation in male Wistar albino rats helped maintain hair shaft structure and improved amino acid composition, while reducing harmful protein compounds associated with diabetes and hypercholesterolemia.

This article reviews methotrexate's pharmacokinetics and toxicity, emphasizing the role of urinary excretion and leucovorin in avoiding most toxic reactions; it provides no new clinical results.

Hair fibers may have a unique, non-protein sheath not previously identified.

This study found that the purified compound VB1 from Vitex negundo seeds may reduce UVA-induced skin aging by targeting MAPK1 and demonstrated its potential in mice.

In this study, carboxymethylalanyl disulfide keratin was shown to effectively prevent hair damage during repeated bleaching and permanent waving treatments.