February 2026 in “International Journal of Molecular Sciences” This study found that PDLLA filler treatment may help combat age-related hair thinning by reducing oxidative stress and enhancing hair follicle function in both cell and animal models.
1 citations
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June 2024 in “European Journal of Dentistry” This study found that human placenta extract may be a promising pulp-capping material, causing less intense chronic inflammation and thicker dentine bridge formation compared to mineral trioxide aggregate in dogs' teeth.
In this study, Paljeong-san pharmacopuncture reduced dihydrotestosterone levels and inhibited prostate tissue proliferation in a rat model of benign prostatic hyperplasia.
4 citations
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April 2024 in “Cellular and Molecular Biology” In this study, injectable platelet-rich fibrin (i-PRF) was found to enhance the proliferative, migratory, and hair-inducing abilities of dermal papilla cells more effectively than platelet-rich plasma through the TGF-β/Smad pathway.
2 citations
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April 2018 in “Current Pharmaceutical Analysis” This study developed a new, simple, and economical RP-TLC method with densitometry that is suitable for routine analysis of finasteride in tablet dosage form, meeting analytical validation criteria.
3 citations
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July 2021 in “Life science alliance” This study observed that disrupting the Pnkp gene in adult mice resulted in a premature aging-like phenotype, suggesting PNKP's vital role in maintaining normal growth and survival of certain progenitor cell populations.
January 2026 in “Frontiers in Medicine” In this study, PP-PTKL exhibited antioxidant, anti-inflammatory, and pro-melanogenic effects in laboratory settings, suggesting its potential role in preventing or treating hair greying. Further animal and human studies are needed to verify these findings.
98 citations
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November 2002 in “Contact Dermatitis” This study found that adverse reactions to para-phenylenediamine in hair dye, including severe allergic contact dermatitis, may be more common than currently reported and often misdiagnosed.
May 2024 in “Indian Journal of Dermatology” In this case report, a 22-year-old female was diagnosed with follicular Dowling-Degos disease based on clinical and histological findings, with symptoms including skin lesions confined to hair follicles. The report emphasizes the importance of differentiating this rare variant from similar conditions for proper management.
12 citations
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November 2014 in “Bioscience, Biotechnology, and Biochemistry” In this study, the researchers successfully increased dipicolinic acid production in Bacillus subtilis by genetically modifying the spoVF operon, achieving a significant productivity improvement in the culture medium.
This study introduced Cadd4, a peptide-based degrader developed using computer-aided drug design, which effectively reduced PCSK9 levels and increased LDL receptor expression, resulting in decreased plasma cholesterol and LDL-C levels in hypercholesterolemic mice, without liver toxicity.
11 citations
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June 2005 in “Veterinary Dermatology” In this study, dermal fibroblasts in the head of beagle dogs metabolized the highest amount of progesterone, primarily into cortisol, while dermal papilla cells mainly produced 5α-pregnane-3,20-dione and cortisol.
September 2019 in “Journal of Investigative Dermatology” This study found that a history of smoking significantly predicted a more refractory course of palmoplantar pustulosis, with associated comorbidities often including hypertension, type 2 diabetes mellitus, and thyroid diseases.
May 2025 in “Biomedicine & Pharmacotherapy” This study found that HPD is a potent activator of hair follicle regeneration, surpassing the efficacy of conventional minoxidil treatment by modulating Wnt/β-catenin signaling and enhancing follicular proliferation, indicating its potential as a non-invasive hair restoration therapy.
December 2020 in “International Journal of Research in Pharmaceutical Sciences” This review analyzes the mnemonic MY PCOS, exploring diagnosis and treatment strategies for the metabolic, cosmetic, and reproductive complications of polycystic ovary syndrome, without reporting new clinical findings.
October 2023 in “Ho Chi Minh City Open University Journal of Science - Engineering and Technology” This study established a protocol to isolate and culture dermal papilla cells from human hair follicles, suggesting alkaline phosphatase activity as a key marker to differentiate them from human fibroblasts.
April 2023 in “Journal of Investigative Dermatology” This study found that treprostinil, a prostacyclin analog, significantly delayed fibroblast migration from healthy donors but did not affect fibroblast migration derived from diabetic foot ulcers.
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.
April 2023 in “Journal of Investigative Dermatology” In this study, the KPAI and KP-IGA scoring systems for assessing keratosis pilaris showed excellent interrater and intrarater reliability, offering standardized measures for clinical and research use.
31 citations
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October 2010 in “Progress in lipid research” This review discusses the role of LPA(3) in embryo implantation and its genetic connection with prostaglandin signaling, but reports no new clinical results.
June 2019 in “PRISM (University of Calgary)” This research reported that dermal progenitor cells can enhance split-thickness skin graft outcomes by improving dermal layer qualities and reducing itch and offer potential in skin wound healing using a flowable hydrogel for better cell delivery and survival.
4 citations
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August 2013 in “Case reports in dermatology” This case report describes a patient in whom vitiligo was induced by diphenylcyclopropenone treatment for alopecia universalis, highlighting the potential overlap of susceptibility genes between the two conditions.
7 citations
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July 2005 in “Journal of Dermatological Science” This study identified a gene transcript overexpressed in dermal papilla cells, showing strong similarity to a mouse gene associated with adipose tissue in bombesin receptor subtype-3-deficient mice.
3 citations
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September 2021 in “Bulletin of the Korean Chemical Society” In this study, dimeric peptide derivatives were shown to enhance the proliferation of human follicle dermal papilla cells in vitro, particularly promoting the ERK1/2 pathway, suggesting potential for developing peptide-based treatments for hair regeneration.
7 citations
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January 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This study shows that NIPP1 deficiency in mouse epidermis leads to hyperproliferation, hair loss, and chronic skin inflammation, which can be partially alleviated by dexamethasone treatment.
3 citations
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December 1997 in “Pediatric Clinics of North America” This article reviews adolescent sexual behavior and emphasizes the importance of hormonal contraception for sexually active teenagers, suggesting that health care providers play a crucial role in addressing their reproductive needs.
1 citations
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June 2019 in “Journal of Biological and Scientific Opinion” This article highlights the health risks associated with adding paraphenylenediamine to mehndi, such as contact dermatitis and asthma, and emphasizes the need for regulatory checks as its use grows among cancer patients, women with alopecia, and pregnant individuals.
7 citations
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January 2015 in “PubMed” This study found that patients with alopecia areata had higher plasma osteopontin levels compared to healthy controls, but complete recovery after DPCP treatment did not significantly reduce these levels.
11 citations
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May 2018 in “Frontiers in plant science” This study found that overexpressing the PCaP2 protein in Arabidopsis enhanced drought tolerance by influencing ABA and SA signaling pathways and regulating root hair growth, suggesting a key role in water deficit response.
February 2026 in “PubMed” This study compared porcine-derived placental biomaterials with human-derived counterparts in a rat model of skin injuries and found no significant statistical differences in healing outcomes; however, porcine-derived materials showed reduced early inflammation and faster crust formation, suggesting potential advantages in healing effectiveness.