April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that treatment with ritlecitinib led to significant scalp hair regrowth in patients with alopecia areata at Weeks 24 and 48, with higher response rates observed in those receiving 50 mg compared to 30 mg doses.
This study observed that low-level laser therapy (LLLT) increased cell viability in SARS-CoV-2-uninfected HEK293/ACE2 cells but did not improve viability in infected cells, suggesting mixed effects.
June 2026 in “British Journal of Dermatology” This study evaluated the real-world use of ritlecitinib for severe alopecia areata in the UK, reporting that 37% of patients achieved significant hair regrowth by week 36, with no serious adverse effects noted, although response varied with disease duration.
July 2024 in “Journal of Investigative Dermatology” INTASYL is a promising, adaptable RNAi technology for treating skin cancers.
July 2025 in “The Journal of Dermatology” This study identified common and unexpected adverse events associated with ritlecitinib in real-world use, providing insights into its safety profile for treating severe alopecia areata.
May 2025 in “CPT Pharmacometrics & Systems Pharmacology” This study examined the safety profile of ritlecitinib, a drug for alopecia areata, and found that it does not cause significant QTc prolongation or severe lymphopenia, with no unique safety risks expected in adolescents.
7 citations
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October 2024 in “Journal of the American Academy of Dermatology” This source reported that patients who initially responded to ritlecitinib treatment showed sustained hair regrowth through week 48, with up to one-third of those not meeting target efficacy at week 24 also achieving a response with continued treatment.
253 citations
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April 2009 in “Journal of Biological Chemistry” This study found that p2y5 functions as a novel LPA receptor involved in the G13-Rho signaling pathway, with implications for human hair growth, and proposes renaming it to LPA6.
April 2019 in “Journal of Investigative Dermatology” This study identifies a mechanism where dsRNA activates TLR3 to induce RA production, promoting hair follicle regeneration in mice and suggesting a potential role in human tissue regeneration.
1 citations
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November 2024 in “Cutis” PLLA injections can cause hair loss and skin issues.
June 2025 in “British Journal of Dermatology” This study details a case of a 20-year-old woman with APECED syndrome and alopecia areata who experienced complete scalp hair regrowth and improved quality of life after nine months of ruxolitinib treatment, highlighting the drug's effectiveness for severe AA linked to AIRE gene mutation.
38 citations
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January 2023 in “International Journal of Medical Sciences” This review discusses the potential of repeated low-level red-light therapy to inhibit myopia progression through metabolic effects, highlighting its molecular and cellular impact, but reports no new clinical results.
September 2024 in “PubMed” This study found that patients with alopecia areata have distinct mRNA and lncRNA expression profiles between normal and bald scalp areas, identifying differentially expressed genes and revealing potential biomarkers for diagnosis, with keratin family genes possibly playing a key role in the disease's pathogenesis.
1 citations
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September 2023 in “Journal of the American Academy of Dermatology” In this study, patients with alopecia areata who didn't initially respond to ritlecitinib at Week 24 showed improved response rates by Week 48, with up to 34% achieving better hair regrowth outcomes.
June 2026 in “British Journal of Dermatology” This audit of ritlecitinib prescribing for severe alopecia areata found that regional practices largely followed national guidelines but highlighted the need for better psychological assessments and more consistent use of SALT scoring to inform treatment continuation decisions after 36 weeks.
18 citations
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January 2013 in “Evidence-based Complementary and Alternative Medicine” In this study, ALR was found to enhance both the proliferation and osteogenic differentiation of mouse bone marrow mesenchymal stem cells, potentially through specific signaling pathways.
7 citations
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September 2024 in “PLANT PHYSIOLOGY” This study in Arabidopsis thaliana found that exposure to volatile compounds from Penicillium aurantiogriseum promotes root hair growth through signaling involving RALF22, ethylene, auxin, and photosynthesis, and that RALF22 plays a crucial role in the plants' response to these compounds.
July 2026 in “Theranostics” This study developed a novel ferritin-based delivery system (LR@Fn) that effectively co-delivers RG108 and LLY283 for hearing loss treatment in animal models, reducing hair cell loss and synaptic damage more effectively than dexamethasone.
1 citations
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December 2020 in “Medical lasers” The laser therapy device effectively increased hair growth in people with androgenetic alopecia.
July 2023 in “Frontiers in veterinary science” In this study, researchers analyzed skin samples from Dorper sheep to identify 395 differentially expressed long non-coding RNAs (lncRNAs) linked to hair follicle growth phases, suggesting these lncRNAs may play a role in the regulation of hair shedding through pathways like estrogen and PI3K-Akt signaling.
September 2022 in “Research Square (Research Square)” This study found that overexpressing Rps14 in supporting cells promoted hair cell regeneration in the organ of Corti by facilitating cell proliferation and differentiation.
48 citations
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July 2023 in “Pediatric Dermatology” This study found that among adolescents with alopecia areata and significant hair loss, treatment with ritlecitinib resulted in greater hair regrowth and self-reported improvement compared to placebo over 48 weeks, with common side effects including headache, acne, and nasopharyngitis.
1 citations
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September 2023 in “Journal of the American Academy of Dermatology” This study reported that most patients with alopecia areata who responded to ritlecitinib treatment by achieving a SALT score ≤20, SALT score ≤10, or improvements in eyebrow and eyelash assessments at Week 24 maintained their responses through Week 48.
2 citations
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June 2024 in “Dermatology” This study found that patients receiving active ritlecitinib doses reported greater satisfaction with hair growth compared to placebo, with high agreement observed between clinician evaluations of scalp hair improvement and patient satisfaction through week 48.
23 citations
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October 2024 in “British Journal of Dermatology” In this study, ritlecitinib showed sustained effectiveness and a favorable safety profile in treating alopecia areata in patients aged 12 and older over 24 months, with improvements observed in hair and eyebrow regrowth and patient satisfaction.
3 citations
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September 2022 in “Animal biotechnology” This study found that knocking down lncRNA MTC in Liaoning Cashmere goat skin fibroblasts inhibited cell proliferation and increased apoptosis, suggesting its role in facilitating cell growth by regulating specific proteins.
3 citations
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August 2024 in “Molecular Biology Reports” This study found that the lncRNA018392, responsive to melatonin, accelerates cell proliferation in cashmere goats by recruiting the transcription factor SPI1 to upregulate the nearby gene CSF1R, which may explain the molecular mechanisms of cashmere growth.
17 citations
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September 2022 in “Genes & Genomics” In this study, researchers identified specific long non-coding RNAs involved in feather development that do not follow traditional genetic inheritance patterns in chickens.
68 citations
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July 2011 in “Journal of Biochemistry/The journal of biochemistry” This review discusses newly identified non-Edg family lysophosphatidic acid receptors, detailing their roles in vascular development, platelet activation, and hair growth, and reports no clinical results.
9 citations
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February 2023 in “Genes” This study reveals that long non-coding RNAs influence cashmere fiber traits in goats by interacting with target genes involved in pathways affecting fiber diameter and color.