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This study identified 19 genetic risk loci and 16 potential causal genes related to PCOS, highlighting the role of immune cell-specific mechanisms in its pathogenesis.

This study describes an innovative hair restoration technique combining traditional hair transplantation with autologous stem cells, which enhances hair density and quality by optimizing transplantation results through the treatment of both native and transplanted follicles.

Scarring alopecia involves increased immune cells and specific gene changes near damaged hair follicles.

Monocyte-derived dendritic cells play a key role in UVB-induced skin sensitivity and inflammation.

The study introduced an advanced skin model, ImmuSkin-MT, which effectively distinguished between different strengths of skin sensitizers by mimicking the interaction of immune cells in skin tissue.

In this study, researchers discovered two new signaling pathways that regulate how melanocytes establish pigment patterns in reconstituted hair-bearing skin, offering insights that could inform strategies to prevent hair greying.

Reducing CD8+ T cell growth can stabilize alopecia areata.

This case report highlights an unusual presentation of mycosis fungoides with photo-exacerbated lesions and a rare CD4+/CD8+ immunohistochemical phenotype, complicating diagnosis and treatment.

In this study, plasmatherapy was found to improve immune status indicators in patients with vitiligo, particularly benefiting those with segmental vitiligo by normalizing immune markers and reducing IL-6 levels, suggesting its potential as an adjunct treatment to slow depigmentation progression.

The study investigated immune cell patterns around the hair follicle infundibulum in androgenetic alopecia, revealing significant differences in immune signatures between patients with AGA and control donors, specifically noting an enrichment of CD4 cells in the patient group.

This case report highlights the growing prevalence and treatability of neurosyphilis, stressing the need to consider it in neurological symptoms such as encephalopathy, facial nerve palsy, and gelastic seizures associated with the frontal lobe.

Expanding regulatory T cells may help treat alopecia areata by reducing harmful immune cells.

The Fas/FasL pathway may play a role in alopecia areata.

This study demonstrated that in mice, the absence of Jagged-1 expression in skin-resident regulatory T cells significantly delays wound healing by reducing the accumulation of neutrophils, highlighting the role of Jagged-1 in coordinating immune cell recruitment during injury.

In a mouse model of alopecia areata, this study found that IL-27 overexpression using an adeno-associated virus protected against disease development, potentially by promoting immunosuppressive T cells and reducing CD8 T cell infiltration into hair follicles.

This study observed that dandruff-affected scalp skin has increased T-cell infiltration in the epidermis and a reduction in the hair follicle's physiological immune privilege, particularly in the suprabulbar outer root sheath area, indicating a distinct immune microenvironment compared to healthy scalp.

This study found that canine pemphigus foliaceus skin lesions exhibit a distinct immune signature, with upregulated pro-inflammatory and Th17-related genes, showing similarities to human pemphigus. Further research using advanced sequencing is needed to better understand the disease's pathogenesis.

A specific type of immune cell plays a key role in causing alopecia areata and could be a target for treatment.

This study introduces a new method to isolate stem cells from the hair follicle outer root sheath of equine skin, demonstrating that these cells, named eMSCORS, proliferate efficiently and can differentiate similarly to adipose tissue-derived MSCs, offering a promising alternative for equine veterinary applications.

Increased Treg cells and IL-10 may help quick recovery in acute diffuse and total alopecia.

This study identified shared gene expression changes and immune cell infiltration patterns that may contribute to hair loss in alopecia areata and cutaneous lupus erythematosus, but also highlighted factors that might preserve hair in psoriasis patients.

In this study, researchers used spatial transcriptome profiling to identify immune disturbances in the peri-infundibular region of androgenetic alopecia patients’ hair follicles, finding increased CD4+ T cells with a bias toward Th2 immune responses compared to controls.

In this study of C3H/HeJ mice, researchers observed that alopecia areata is associated with the expansion of exhausted-memory CD8 T cells in multiple organs, with autoreactive activation not fully explained by known mechanisms, shedding light on the immunological dynamics underlying the condition.

This study analyzed blood samples from individuals with alopecia areata and found that NKG2D+ immune cells, particularly memory-like NK cells, may better correlate with disease activity compared to CD8+ cells, though significant variability among individuals complicates these findings.

This study revealed distinct cellular and transcriptomic differences among various subtypes of cutaneous T-cell lymphoma, particularly highlighting characteristics unique to folliculotropic mycosis fungoides.

Contact immunotherapy can change immune responses in alopecia areata, suggesting new treatment targets.

HA-iMSC-EVs can improve skin aging by boosting cell growth and restoring collagen and elastin.

This study found that innate lymphoid cells-type 1 (ILC1) can induce alopecia areata by disrupting hair follicle immune privilege without the involvement of classical CD8+ T cells.

This study found that overexpression of miR-1246 in peripheral CD4+ T cells can reduce markers associated with inflammation and T cell activation in severe active alopecia areata, suggesting potential therapeutic benefits.

This study reported that an injectable hydrogel microparticle vaccine platform enhanced antibody responses and protection against influenza in mice, outperforming the traditional adjuvant aluminum hydroxide.