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This study suggests that immune privilege guardians and the pro-inflammatory cytokine interferon-γ significantly influence the dynamics of alopecia areata, supporting the hypothesis that immune privilege collapse is crucial in its development.

Dithranol reduces inflammation in alopecia areata by lowering certain immune responses.

This study found that in laboratory rats, toxic concentrations of hydrogen sulfide affected the immune system differently depending on age and immune suppression status, with notable changes in immune cell levels and phagocytosis, suggesting significant roles in age-associated pathologies.

This study found that in lamivudine-resistant hepatitis B patients, tenofovir significantly reduced HBV DNA levels faster and more consistently than adefovir, reaching undetectable levels in all treated patients by 44 weeks.

This report examines the cautious approach to administering live vaccines to an infant with a heterozygous FOXN1 variant, noting the importance of monitoring TREC levels and immune function indicators in guiding vaccination decisions in such cases.

This study identified a high proportion of dual TCR Treg cells in both lymphoid and non-lymphoid tissues of mice, revealing their tissue specificity, TCR repertoire characteristics, and functional phenotypes.

This study found that in a mouse model of Ross River virus-induced joint inflammation, targeting IL-17A and IL-17A/F heterodimers reduced disease severity.

This study observed that adult Netherton syndrome patients showed a range of normal to diminished immune responses to polysaccharide, conjugate, and mRNA-based vaccines, with responses generally overlapping those of healthy controls, suggesting no consistent B- or T-cell immunodeficiency in this population.

In this study, treatment with a 5a-reductase inhibitor increased CD8+ T cell infiltration in benign prostatic hyperplasia tissues, suggesting an impact on inflammatory responses.

This study found that Th22 cells and their cytokine IL-22 may play an important role in the pathogenesis of systemic lupus erythematosus and could serve as bioindicators for monitoring disease severity.

This review discusses the role of skin manifestations as early markers and prognostic indicators of HIV infection in children but reports no new clinical results.

ALDOA levels drop in hair cells during hair loss.

This study suggests that elevated levels of IL-17A and IL-23 in alopecia areata may play roles in disease severity and activity, providing insights into potential therapeutic targets.

This study found that B6.CD80CD86−/− mice developed autoimmune-like alopecia with nearly 100% incidence by 40 weeks, making them a promising model for studying human alopecia areata.

This review discusses the potential mechanisms and evidence supporting low-level laser therapy for stimulating hair growth in men and women, while noting its safety and effectiveness but needing further study on specific parameters.

This study found that mouse skin CD4(+) memory T cells are in equilibrium with the circulation under steady state but increase in specific clusters in response to infection or inflammation.

In this study, researchers observed vitamin D insufficiency in many patients with Alopecia Areata, suggesting its potential role in managing this autoimmune condition.

This study found that diphencyprone showed a significant clinical response for treating alopecia areata, while tacrolimus was not effective.

This study found that dermatological manifestations in HIV-positive individuals, such as infectious and non-infectious dermatoses, were significantly associated with CD4 T cell count.

This study found that patients with alopecia areata had significantly lower serum vitamin D levels and higher odds of vitamin D deficiency, but no significant difference in serum calcium levels, compared to controls.

In this study, patients with alopecia areata showed significantly elevated serum levels of IFN-γ and severely deficient vitamin D3 levels compared to healthy controls.

In this study, researchers found that CD4 is expressed on murine K5⁺ keratinocytes, and its expression is crucial for maintaining epidermal stem cell balance and wound repair capacity, particularly during aging.

In this study, CD4+ non-haematopoietic, skin-resident stem cell-like populations were identified in both murine and human epidermis, suggesting they may serve as potential basal cell carcinoma precursors.

This study found that specific immune cell phenotypes, particularly CD25 on CD4 Treg cells, were causally linked to androgenic alopecia, suggesting potential targets for immune-based therapies.

In this study, researchers found that CD4 T cells from the skin draining lymph nodes of mice with alopecia areata can transfer the disease to recipient mice, highlighting the key role of these cells and their interaction with CD8 T cells in the disease's development.

This study found that a high percentage of HIV-positive patients experienced mucocutaneous lesions, with conditions like oral candidiasis and furuncle being significantly associated with lower CD4 cell counts.

ICL is a condition with low CD4+ T cells like AIDS but not caused by HIV, and normal CD4+ T cell counts may vary between men and women.

This study suggests that hypersensitivity and increased serum IgE levels might contribute to the pathogenesis of diffuse alopecia areata through intense local inflammatory infiltration.

This study examines how the Severity of Alopecia Tool score was used to assess Alopecia Areata in patients while excluding systemic conditions that might affect vitamin D levels, but reports no new clinical results.

This study found a significant association between alopecia areata and low serum ferritin levels, suggesting that assessing and correcting iron stores might improve alopecia areata management.