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The document concludes that various dermatological treatments and drugs can cause skin reactions and side effects.

This study attempts to classify histomorphologic reactions to drugs to aid in diagnosing drug eruptions, which are common in hospitalized patients but lack specific diagnostic features.

This article reviews methotrexate's pharmacokinetics and toxicity, emphasizing the role of urinary excretion and leucovorin in avoiding most toxic reactions; it provides no new clinical results.

This study in SPF lambs found that primary and secondary orf virus infections trigger similar skin responses, but the primary infection caused a more severe and prolonged reaction.

In a keratinocyte-specific knockout mouse model, this study found that deleting GRK2 disrupted hair follicle homeostasis, causing cyst-like structures, abnormal growth patterns, and eventual hair loss, suggesting potential links to immune-mediated alopecias.

Organ transplant recipients have a higher risk of skin cancer over time, atopic dermatitis skin shows unusual bacterial and fungal patterns, a new tool for measuring hidradenitis suppurativa severity was created, and gene expression changes in male baldness suggest new treatments.

This review elaborates on the skin side effects of chemotherapy and emphasizes identifying and managing both common and life-threatening skin reactions, without presenting new clinical findings.

This article discusses the range of skin-related side effects caused by chemotherapy and radiotherapy, including novel patterns emerging with targeted therapies, but does not report new clinical results.

This review discusses common cutaneous reactions to targeted cancer drugs such as tyrosine kinase inhibitors and reports no new clinical results.

In this study, BeauTop treatment significantly increased hair growth in people with androgenetic alopecia compared to placebo, showing effectiveness without adverse reactions.

This review discusses the pathogenesis and clinical features of androgenetic alopecia, highlighting potential links to fibrosing alopecia and suggesting the need for combined therapeutic approaches; it reports no new clinical results.

In this study, researchers observed that atopic dermatitis may alter the appearance of allergic patch test reactions, demonstrating specific patterns like perifollicular erythema and yellowish areas that could aid in interpreting patch tests using dermoscopy, particularly in ambiguous cases.

This study found that patterned hair plucking in mice triggers a collective regeneration response in nearby unplucked hair follicles via a quorum sensing mechanism involving immune signaling.

This research investigated immune cell involvement in various types of inflammatory alopecia by analyzing gene expression data from scalp samples, revealing distinct cellular changes in conditions like Alopecia Areata, Frontal Fibrosing Alopecia, Lichen Planopilaris, and Central Centrifugal Cicatricial Alopecia, which may inform future therapeutic targets.

This study found that the immune-competent B6. Cg‐Tyr c−2J Hr hr /J congenic mouse line had a more pronounced delayed sunburn response and different proliferative skin reactions to UV exposure compared to SKH 1 mice.

This paper discusses the balance between target tissue destruction and recovery rates in autoimmune diseases, proposing that high recovery rates are crucial for remitting-relapsing patterns, while exercise might not be neuroprotective in secondary progressive multiple sclerosis.

This case report describes a 42-year-old woman with rheumatoid arthritis who developed extensive impetiginized pityriasis amiantacea potentially linked to her anti-TNF-α therapy with golimumab. Discontinuing the drug and other treatments led to significant clinical improvement within a month.

In this study, researchers found that electrospun membranes with aligned surface topography advanced the immune response towards an adaptive stage and highlighted the role of T cells in hair follicle regeneration in mice, showcasing the intricate interactions between immune and skin cells.

This research found evidence of inflammatory involvement in androgenetic alopecia, with higher deposition of certain immune components in the scalp of affected patients compared to those without baldness.

This study identified four immune-related signaling molecules (LGR5, PTN, JAG1, and DKK1) associated with keloid, suggesting their potential role in its pathogenesis and as targets for new treatments.

In this study, microarray and proteomic analyses indicated that genes involved in immune response, receptor binding, and growth factor activity might influence wool fibre diameter in sheep.

This article reviews the genetic and potential environmental factors in alopecia areata's pathogenesis and suggests a polygenic model but reports no new clinical findings.

This review discusses the cutaneous symptoms associated with COVID-19 and their potential use in diagnosing and assessing the severity of the disease, but it reports no new clinical results.

This review discusses the role of regulatory T cells in skin, including their impact on hair follicle regeneration, wound healing, and immune tolerance, without presenting new clinical findings.

A girl with Crohn's disease developed hair loss from her medication, which improved with treatment but later returned.

In this study, researchers found varying levels of multiple autoantibody types among thyroid disorder patients, with 84.84% of those with immunological hypothyroidism reporting symptoms like weight gain and lethargy, whereas 81.81% of those with immune hyperthyroidism experienced hair loss.

In this cross-sectional study of COVID-19 positive patients in Bangladesh, researchers found that maculo-papular eruptions were the most common dermatological manifestation, with other prevalent conditions including chilblain-like eruptions, urticarial lesions, and petechiae/purpura.

This review discusses the roles of immune responses and cells in skin health and disease, emphasizing recent insights into their mechanisms and potential therapeutic applications, but presents no new experimental results.

Finasteride can cause low platelet count in rare cases.

This study found that GLP-1 receptor agonists show potential for improving psoriasis and hidradenitis suppurativa by reducing inflammation and lesion severity, but they also pose dermatological risks such as alopecia and injection site reactions.