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This review discusses the potential relationship between lichen planus pigmentosus and frontal fibrosing alopecia, presenting a case study but reporting no new clinical findings.

This report describes the clinical presentation of Papillon-Lefèvre syndrome in two brothers and reviews the related literature, without providing new clinical outcomes.

This study reports the first known case of linear lichen planopilaris following Blaschko's lines in a nonfacial region.

This study suggests that PLA2R1 overexpression in PMN affects the podocyte cycle and may involve an additional immune response, which could provide new directions for PMN treatment development.

This study found diverse clinical presentations of lichen planopilaris, with classic lichen planopilaris being the most common, highlighting the importance of recognizing this variability for accurate diagnosis.

This study found that lichen planopilaris is associated with three core molecular pathways, which may inform new therapeutic strategies for scarring alopecia, including unique pathways like ABC transporters specific to LPP.

This case study documented the first known instance of biopsy-confirmed lichen planopilaris occurring after hairline-lowering surgery in a patient without prior history, highlighting a potential complication where surgical trauma may trigger immune-mediated hair loss.

This study found that PLDζ2 and NPC4 enzymes play distinct roles in lipid remodeling and root hair growth in Arabidopsis under phosphate deficiency, influencing root hair density and length in a tissue- and time-specific manner.

This study reported that four patients with lichen planopilaris showed dramatic improvement, including symptom reduction and hair regrowth, after treatment with low-level light therapy.

This study reports that a patient with rare linear lichen planopilaris experienced complete hair regrowth after 12 weeks of treatment with the antibody ixekizumab, suggesting it as a potential targeted therapy.

This study found that mice lacking sPLA2-IIE had distinct skin abnormalities, particularly affecting hair follicles, highlighting the differing roles of sPLA2 isoforms in mouse skin.

This study reviewed cases of Graham–Little-Piccardi–Lassueur syndrome and found that topical treatments were generally ineffective, while systemic therapies like prednisone, hydroxychloroquine, and isotretinoin led to partial hair regrowth and disease stabilization, highlighting the importance of early diagnosis and systemic therapy to improve outcomes.

This study suggests that the GPX-PDE1 and GPX-PDE2 genes in white lupin enhance root hair development and contribute to Pi limitation acclimation by facilitating glycerophosphodiester degradation.

This study introduced the Lichen Planus Activity and Damage Index (LiPADI), which effectively assesses the severity and progression of lichen planus, aligning well with other clinical indicators.

This review discusses lichen planopilaris in children and highlights its rarity, potential for misdiagnosis, and need for suspicion in atypical or treatment-resistant alopecia cases, but reports no new results.

This reported case of lichen planopilaris in siblings suggests a potential genetic predisposition, supporting the hypothesis of inherited susceptibility in this condition.

In this study, disruptions in phospholipase A2 activity in Arabidopsis thaliana significantly impaired the plasma membrane localization of PIN proteins, affecting auxin transport and root development.

The enzyme PA-PLA1α is important for proper hair follicle development.

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.

An 8-year-old girl developed a rare skin condition in a linear pattern on one side of her body after a lung infection, which improved with treatment.

This overview discusses primary cicatricial alopecias, focusing on lichen planopilaris, and highlights the challenges in treatment and the progressive nature of hair loss despite symptom management, without providing new clinical results.

This case report highlights a misdiagnosis of traction alopecia that progressed to lichen planopilaris in a patient of color, emphasizing the need to consider LPP in similar cases due to differing treatments.

This article discusses platelet-rich plasma therapy for cicatricial alopecias like lichen planopilaris and reports no confirmed new clinical results; the authors highlight ongoing uncertainty about its effectiveness and potential risks.

This study found that the PP2A-B55α regulatory subunit is crucial for ectodermal development in mice, with knockout embryos displaying severe neural and epidermal defects and failing to survive to birth.

In this pilot study, PDLLA scalp microinjections showed improvement in physician-rated Global Aesthetic Improvement Scale scores over 12-24 weeks for 90% of patients with non-scarring alopecia, with no serious adverse events reported, although findings remain preliminary due to methodological limitations.

This extensive review discusses the clinical manifestations, potential associations, and treatment approaches for lichen planus, but reports no new clinical results, highlighting gaps in evidence for therapeutic strategies.

This article reviews lichen planopilaris, its presentation, and treatment challenges, and emphasizes the need for more research into its pathogenesis and therapy efficacy; it reports no new findings.

A 70-year-old woman with a rare skin condition improved after treatment with topical steroids and acitretin.

This article reviews lichen planopilaris, a chronic scarring alopecia, and explores recent treatment developments, but it reports no new clinical results.

This case report found that a novel botanical treatment halted disease progression and promoted hair regrowth in four patients with lichen planopilaris, indicating potential for use as a safe alternative therapy.