May 2025 in “Journal of Nanobiotechnology” This study reported that an ATRA-loaded nanostructured lipid carrier gel (ATRA-NLC-Gel) improved symptoms of alopecia areata in mice by enhancing transdermal drug delivery, reducing skin irritation, and promoting hair regrowth through targeted follicle enrichment and pathway activation.
59 citations
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September 2021 in “Cosmetics” This review discusses lipid nanoparticle-based cosmetics, emphasizing their potential in protecting skin from radiation and treating conditions like atopic dermatitis and psoriasis with synthetic and natural antioxidants. It highlights recent research on these formulations' effectiveness in alleviating skin disorders and enhancing skin health.
3 citations
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July 2020 in “Frontiers in Cell and Developmental Biology” 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.
67 citations
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January 2022 in “Theranostics” This review highlights how advanced nanocarrier and microneedle-based transdermal drug delivery strategies can potentially improve the treatment of skin diseases by enhancing site-specific drug delivery, increasing skin penetration, and reducing systemic toxicity compared to conventional methods.
60 citations
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January 2014 in “Anais Brasileiros De Dermatologia” This article discusses the foundational concepts of nanotechnology and its contributions to dermatology and medicine, but does not present new research findings.
8 citations
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May 2024 in “Advanced NanoBiomed Research” This review examines advancements in lipid and inorganic nanocarriers, such as liposomes and inorganic nanoparticles, for transdermal drug delivery, noting enhanced absorption and stability but acknowledging that few have reached clinical use.
92 citations
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June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
41 citations
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January 2007 in “Journal of Korean Medical Science” This study found that combining minoxidil with all-trans retinoic acid additively promoted hair growth in vitro by activating certain cell survival pathways and reducing apoptosis markers more effectively than minoxidil alone.
36 citations
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July 2017 in “Journal of controlled release” In this study, a new formulation of all-trans retinoic acid bound to polyvinyl alcohol showed reduced skin inflammation and sustained drug release for up to six days compared to free ATRA in vitro and in vivo.
24 citations
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September 2005 in “Journal of Cellular Biochemistry” This study found that all-trans and 9-cis retinoic acids increase steroid sulfatase activity in HL60 cells through mechanisms involving RARα/RXR heterodimers and multiple signaling pathways.
10 citations
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August 2020 in “Acta histochemica” This study found that all-trans-retinoic acid (ATRA) inhibits mink hair follicle growth by reducing dermal papilla cell proliferation and inducing apoptosis, likely through the TGF-β2/Smad2/3 pathway.
10 citations
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August 2020 in “Current protocols in stem cell biology” This paper presents a protocol for differentiating human-induced pluripotent stem cells into keratinocyte progenitor cells and keratinocytes, suggesting potential applications for hair follicle restoration and burn or ulcer therapy.
4 citations
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December 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that persistent activation of Wnt signaling in mouse models leads to cyst formation in hair follicles, resembling acne, and that these cysts can be partially reduced by certain acne treatments.
4 citations
,
May 2018 in “Electronic Journal of Biotechnology” This study found that all-trans retinoic acid (ATRA) negatively affects hair growth by reducing goat dermal papilla cell viability and growth factor expression.
4 citations
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April 2018 in “Journal of Investigative Dermatology” This study suggests that hydroxypinacolone retinoate (HPR) may be an effective alternative to tretinoin for anti-aging skin treatments, offering similar collagen production benefits without increased skin irritation.
3 citations
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August 2020 in “Animals” This study found that calcium and all-trans retinoic acid affect the proliferation and differentiation of goat hair matrix cells, which are essential for cashmere growth research.
2 citations
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November 2017 in “PloS one” This study found that 2MbisP increases epidermal thickening more rapidly than atRA in rhino mice, while both compounds similarly reduce utricle size.
1 citations
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March 2024 in “Science” In this study, researchers found that retinoic acid is crucial for hair follicle stem cell function and tissue regeneration by resolving lineage plasticity, with potential therapeutic implications for hair growth, wound healing, and cancer.
1 citations
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June 2016 in “Annals of the rheumatic diseases” In this study, researchers found that retinoids might improve lupus nephritis resistant to conventional treatments, but the sample size was too small for significant results, and side effects were noted.
June 2026 in “Journal of Investigative Dermatology” Retinoic acids temporarily change skin stem cells to a slower cycle and more differentiated state.
March 2026 in “Frontiers in Veterinary Science” This study found that all-trans retinoic acid (ATRA) inhibits proliferation and promotes apoptosis in secondary hair follicle-derived dermal papilla cells from cashmere goats, likely via the TGF-β2/Smad2/3 signaling pathway.
This study found that a short-term treatment with all-trans retinoic acid may effectively stabilize platelet counts in idiopathic thrombocytopenic purpura patients experiencing fluctuations during thrombopoietin receptor agonist therapy.
January 2023 in “Journal of cosmetic dermatology” This study found that the synthetic retinoid EC23 effectively induces keratinocyte hyperproliferation and enhances hair growth in mice, showing more potency than all-trans retinoic acid.
February 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this study, all-trans retinoic acid was found to protect against oxidative stress-induced apoptosis in cultured hair cell-like cells.
This study introduces a novel pro-drug formulation of all-trans retinoic acid that reduces skin inflammation and achieves sustained drug release over several days compared to traditional methods.
April 2024 in “Communications biology” The researchers reported that disrupting ATRA signaling by deleting RDHE genes in the hair follicle led to altered hair follicle cycles, composition, and gene expression, indicating RDHEs' role in hair follicle signaling coordination.
This study concluded that the combination of all-trans-retinoic acid and tocopherol-α is not recommended for treating del(5q) myelodysplastic syndromes due to low efficacy and high incidence of adverse effects.
22 citations
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November 2002 in “Clinical journal of oncology nursing” This article discusses arsenic trioxide as a treatment for refractory or relapsed acute promyelocytic leukemia, noting its effectiveness and manageable side effects.
64 citations
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March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” This study describes GPRC5D's unique expression pattern in tissues that produce hard keratin, with retinoic acid inducing its expression in hair bulb cells and affecting keratin gene regulation.
October 2025 in “Annals of Medicine and Surgery” This study discusses the potential of topical retinoids, vitamin A derivatives, to improve treatment outcomes for androgenetic alopecia by promoting hair growth through extending the anagen phase and stimulating follicular activity, offering a promising approach when combined with existing therapies.