Reorganization and functional divergence of the CD4+ memory T cell compartment in hidradenitis suppurativa
-
By
-
Laura Casals-Diaz
-
Jorge Romaní
-
Abir Ezzaanouni
-
Madalina Raducu
-
Cristina Vila
-
Lluís Boix
-
Amadeu Gavaldà
-
Antonio Guilabert
-
July 14, 2026
Clinical Scorecard: Functional Reorganization and Divergence of CD4+ Memory T Cells in Hidradenitis Suppurativa
At a Glance
| Category | Detail |
|---|
| Condition | Hidradenitis Suppurativa |
| Key Mechanisms | Involvement of CD4+ central memory T cells (TCM) and resident memory T cells (TRM) in the pathophysiology of HS. |
| Target Population | Adult patients (>18) with Hurley stage II or III HS. |
| Care Setting | Monographic HS clinic and surgical excision settings. |
Key Highlights
- CD4+ TCM are expanded in HS lesions (21%) compared to healthy skin (<1%).
- CD4+ TRM are significantly depleted in HS lesions (~30% to <10%).
- Skin-derived memory cells show a hyper-responsive phenotype with increased cytokine production.
- A positive correlation exists between skin-infiltrating TCM and those in systemic circulation.
- HS is characterized by a synchronized peripheral-lesional axis of CD4+ TCM cells.
Guideline-Based Recommendations
Diagnosis
- Diagnosis of HS is based on clinical presentation and may involve imaging and histological evaluation.
Management
- Management may include biologics targeting TNF-α and IL-17.
Monitoring & Follow-up
- Monitoring of T cell subsets and cytokine profiles may be beneficial in understanding disease dynamics.
Risks
- Patients may experience systemic comorbidities such as metabolic syndrome and inflammatory arthritis.
Patient & Prescribing Data
Adult patients with Hurley stage II or III HS.
A substantial number of patients remain non-responders to current biologic therapies.
Clinical Best Practices
- Consider the role of T cell dynamics in the management of HS.
- Evaluate the potential for tissue-specific functional activation of memory T cells.
Related Resources & Content
