March 2026 in “Adipocyte” This study identified transcription elongation as a crucial regulatory factor in adipocyte cell fate, showing that the elongation factors Spt4 and Spt6 are essential for proper adipogenic differentiation by aiding RNA polymerase II progression through key adipogenic genes.
March 2026 in “Indian Dermatology Online Journal” This report details a case study where a 40-year-old woman experienced allergic contact dermatitis and angioedema-like symptoms after using PPD-containing hair dye. Patch testing confirmed a positive reaction to PPD, highlighting the substance's potential to cause both T-cell and IgE-mediated hypersensitivity reactions.
This study found that targeting peroxisomal dysfunction with catalytic nanozymes enhanced hair follicle regeneration and outperformed minoxidil in promoting hair growth and maintaining efficacy in immunodeficient mice.
February 2026 in “Indian Journal of Dermatology” This study from a dermatology department found that patch test positivity for allergic contact dermatitis is lower in geriatric patients than in adults, likely due to age-related immune changes and reduced allergen exposure.
February 2026 in “PubMed” This study reported that para-phenylenediamine and toluene-2,5-diamine are the main sensitizers in hair dye-related allergic contact dermatitis, with significant cross-reactivity to several other compounds.
January 2026 in “Clinical & Translational Oncology” This expert consensus statement highlights that while targeted cancer therapies significantly improve patient survival, they often result in various skin toxicities, underscoring the need for early diagnosis, management, and multidisciplinary care to maintain patients' quality of life and ensure treatment continuity.
January 2026 in “Biomedicines” This study identified increased expression of ACAA1 and its regulation by hsa-miR-1343-3p, linking androgenetic alopecia to lipid metabolism pathways, particularly through PPAR signaling, in scalp tissues.
December 2025 in “International Journal of Molecular Sciences” In this study, O. forskahlii seed oil was found to promote hair growth in rats and exhibit anti-aging effects on human skin cells by enhancing fibroblast proliferation and inhibiting inflammation and enzyme activity, indicating potential for cosmetic use.
November 2025 in “International Journal of Biological Macromolecules” This study introduced an eco-friendly enzymatic hair dyeing process utilizing laccase-catalyzed polymerization of hematoxylin, achieving intense, long-lasting color comparable to commercial dyes while enhancing hair strength and offering antioxidant and UV-shielding benefits.
September 2025 in “BioMed” In this case report and literature review, researchers observed that black hairy tongue syndrome can be improved by dietary restrictions and local care, identifying factors like antibiotics, malignancies, and certain medications as common triggers, with resolution achieved by eliminating these factors when possible.
September 2025 in “Stem Cell Research & Therapy” This study found that TAZ promotes adipogenesis in goat adipose-derived mesenchymal stem cells by enhancing PI3K/AKT pathway activity, with overexpression boosting adipocyte formation and knockdown inhibiting it.
September 2025 in “Development” In this study, deleting the transcriptional pause factor Nelfb in mouse preadipocyte lineages led to defective dermal fat formation and lethal outcomes, while interventions targeting Pparg could rescue adipocyte differentiation and promote dermal white adipose tissue formation, underscoring Nelfb's critical role in adipogenesis.
September 2025 in “British Journal of Hospital Medicine” This study found that certain plasma protein ratios, specifically AGRN/HSPG2 and DECR1/FKBP1B, were significantly associated with an increased risk of alopecia areata, indicating potential causal relationships but reverse causality was not supported.
This study found significant differences in cashmere fiber diameters between two groups of cashmere goats and identified 211 genes and 50 metabolites related to hair follicle growth and cellular functions, suggesting potential pathways to improve cashmere quality.
July 2025 in “Journal of Investigative Dermatology” Nelfb is essential for dermal fat development and survival.
March 2025 in “International Journal of Molecular Sciences” This study analyzed proteomic changes in Jiangnan cashmere goats' secondary hair follicles and found that the PLIN2 gene significantly impacts hair follicle growth cycles by affecting dermal papilla cell proliferation, offering insights into breeding strategies to enhance cashmere yield.
March 2025 in “Journal of Cosmetic Dermatology” In this case study, a 29-year-old woman with Pseudopelade of Brocq, a type of scarring alopecia, showed significant hair density improvement following a combination of scalp reduction surgery and concentrated growth factor injections postoperatively, which addressed scar complications and inflammation.
This study found that protein hydrolysates from mealworms, especially those derived using flavourzyme, significantly enhance adipogenic differentiation in 3T3-L1 preadipocytes, suggesting their potential as sustainable ingredients for glycemic control, skin health, and tissue regeneration products.
January 2025 in “Dermatologic Therapy” In this review, researchers explored key mechanisms underlying androgenetic alopecia, revealing how hormonal, oxidative, inflammatory, and lipid dysregulation suppress hair growth pathways and suggesting new therapeutic targets such as DP2 antagonists and microbiome modulators.
October 2024 in “Cosmetics” In this study, subthermal RF-CRET currents were found to alter key molecular mechanisms in dermal papilla cells, promoting proliferation and survival while enhancing markers associated with hair growth and maintenance, suggesting potential benefits for hair regeneration.
July 2024 in “Journal of Investigative Dermatology” PP405 may help hair growth by activating hair follicle stem cells.
July 2024 in “Journal of Investigative Dermatology” PRP preparation partially activates platelets, causing varied growth factor release.
This report describes the 2024 American Academy of Dermatology Annual Meeting in San Diego, notable for attracting nearly 20,000 attendees with 339 sessions covering a wide range of dermatological topics, making it potentially the largest dermatology meeting by attendance.
April 2024 in “Applied biological chemistry” In this study involving mice on a high-fat diet, piperine from black pepper was observed to reduce sebaceous gland size and fat accumulation, suggesting its potential in controlling hair oiliness by inhibiting adipogenesis in hair stem cells.
March 2024 in “World Academy of Sciences Journal” This narrative review explores how exercise might help maintain skin homeostasis disrupted by protein deficiency, potentially by promoting processes like increased collagen synthesis and stimulating anti-inflammatory effects, though the exact mechanisms are not entirely understood.
January 2024 in “Dermatology practical & conceptual” In this study, researchers found that the peripilar sign in patients with androgenetic alopecia does not indicate perifollicular infiltrate but is more frequent in individuals with lighter skin types due to contrast with the skin.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” This study found that electronically-operated pneumatic injections for administering a peptide-hyaluronic acid combination were well tolerated and led to significant improvement in hair density and thickness for men with androgenic alopecia over six months, though the exact mechanism remains uncertain.
October 2023 in “Benha Journal of Applied Sciences” This review evaluates the role of the nuclear receptor PPAR- in skin diseases, highlighting its regulation of inflammation, lipid metabolism, and immune response, and suggests that PPAR-agonists could be promising therapies for conditions like psoriasis and atopic dermatitis.
October 2023 in “International journal of molecular sciences” In this study, researchers analyzed the skin proteome of Alpine Merino sheep to identify proteins and pathways related to wool fiber diameter, finding that cyclic adenosine monophosphate and certain signaling pathways may play a role in this trait.
September 2023 in “Frontiers in Medicine” This study observed that in the bald scalps of male patients with androgenetic alopecia, there was a significant downregulation of the PPAR signaling pathway, suggesting reduced adipogenesis potentially influencing hair cycling processes.