Interleukin 17A (IL-17A)
IL17A encodes interleukin-17A, a proinflammatory cytokine produced primarily by Th17 cells and other adaptive immune populations.
IL17A encodes interleukin-17A, a proinflammatory cytokine produced primarily by Th17 cells and other adaptive immune populations. It is a central mediator of mucosal immunity and host defense, but it is also strongly implicated in chronic inflammatory and autoimmune disease. IL-17A acts by promoting the expression of downstream inflammatory mediators, chemokines, and tissue-remodeling factors, thereby amplifying immune-cell recruitment and local inflammation. In recent biomedical literature, IL-17A is repeatedly discussed alongside interferon gamma (IFNG), Interleukin-6 (IL-6), tumor necrosis factor alpha, nuclear factor kappa B, and related pathways that shape inflammatory signaling.
Clinically, IL-17A is an important biomarker and therapeutic target. Neutralization of IL-17A, alone or together with IL-17F, has been used in inflammatory diseases such as plaque psoriasis, and IL-17A signaling is also being investigated in inflammatory bowel disease, autoimmune hepatitis, arthritis, uveitis, kidney injury, melanoma brain metastases, infectious disease responses, and fibrosis. Because IL-17A sits at the intersection of protective immunity and pathogenic inflammation, it is frequently studied both as a readout of immune activation and as a mechanistic driver of disease.
Where the papers sit
20 papers from the last 6 months study Interleukin 17A (IL-17A) directly · updated from PubMed 12 Oct 2026
Study type 2 clinical trials · 3 observational · 4 human data · 10 preclinical · 1 unclassified
Themes 4 themes
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IL-17A Inflammation and Immunotherapy
IL-17A targeting is moving from inflammatory disease mechanisms toward cancer treatment and biomarker-guided intervention. PTGS2/NLRP3 activation, IL-6, STAT3/NF-κB signaling and endothelial activation recur across leukemia, rhinitis and cancer-associated thrombosis. Anti-IL-17A strategies are paired with anti-CD73, GLP-1R agonism or checkpoint blockade, including melanoma brain metastases. T-cell exhaustion, adaptive IL-17A sources and humoral immunity remain important determinants of response.
7 papers · 35%
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Bimekizumab in Psoriasis
Bimekizumab is being assessed for durable plaque-psoriasis control, including patients previously exposed to biologics and those with palmoplantar disease. Real-world studies emphasize effectiveness, safety and drug survival over two years. Dual IL-17A/IL-17F blockade is the recurring therapeutic rationale, while genistein-mediated NF-κB inhibition offers a separate preclinical anti-inflammatory approach. Evidence outside psoriasis remains limited to isolated reports, including IgA nephropathy.
4 papers · 20%
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IL-17A in Vasculitis
Secukinumab is being tested as an IL-17A-directed option for polymyalgia rheumatica and giant cell arteritis. The clinical question is whether it can control disease while reducing glucocorticoid exposure and its infection risk. Trial evidence in polymyalgia rheumatica is more developed than the broader vasculitis application. Sex-specific regulation of IL-17A adds a mechanistic dimension but leaves treatment implications unresolved.
3 papers · 15%
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Others — Diverse IL-17A Biology
IL-17A appears across toxicogenomics, vaccination, ischemia, ocular disease, parasitic infection and bladder cancer. The studies examine inflammatory signaling, immune responses and possible therapeutic or preventive roles. Computational epitope discovery and cytokine-axis analysis recur, but no single disease mechanism or treatment direction unifies the set. Its common ground is broad exploration of IL-17A-associated biology.
6 papers · 30%
Papers
The 20 papers from the last 6 months that study Interleukin 17A (IL-17A) directly, newest first, by theme and by study type. Study types come from PubMed publication types and MeSH headings.
By theme
IL-17A Inflammation and Immunotherapy (7)
- Mechanism of Compound Xinyi Nasal Drops in the Treatment of Allergic Rhinitis Through STAT3/IL-17A/NF-κB Signaling Pathway Based on Network Pharmacology and Experimental Verification. Biomedical chromatography : BMC · 6 Jul 2026 PMID 42409592
- Targeting GLP-1R and IL-17A suppresses obesity-induced leukemia in an oncogenic PTPN11 mutation-driven model. The Journal of clinical investigation · 23 Jun 2026 PMID 42334870
- Plasma proteomics improves thrombosis prediction in patients with cancer and identifies targetable IL-17-driven endothelial activation. Science translational medicine · 17 Jun 2026 PMID 42308329
- Therapeutic targeting of IL-17A-driven PTGS2/NLRP3 inflammasome activation in juvenile myelomonocytic leukemia. Blood · 3 Jun 2026 PMID 42233403
- Glycerol-mediated nose-to-brain codelivery of anti-IL-17 and anti-CD73 antibodies enhances immunotherapy for melanoma brain metastases. Science advances · 13 May 2026 PMID 42127192
- Humoral contributions to checkpoint blockade therapy. Journal for immunotherapy of cancer · 11 May 2026 PMID 42114949
- An adaptive cellular source of IL-17A and IL-17F is critical for the induction of experimental autoimmune encephalomyelitis. Science immunology · 24 Apr 2026 PMID 42030372
Bimekizumab in Psoriasis (4)
- Effectiveness of bimekizumab according to previous biologic exposure in patients with plaque psoriasis: a multicenter real-world study. The Journal of dermatological treatment · 29 Jul 2026 PMID 42522774
- Kidney function recovery in immunoglobulin A nephropathy patient following bimekizumab therapy. BMJ case reports · 23 Jul 2026 PMID 42493217
- Gut-derived genistein from Parabacteroides distasonis alleviates psoriatic inflammation via CD200-mediated NF-κB inhibition in mice. Gut microbes · 16 Jul 2026 PMID 42461117
- Effectiveness, Safety, and Drug Survival of Bimekizumab in Chronic Plaque Psoriasis over 2 Years: Real-World Experience from Northern Italy. Dermatology and therapy · 28 Jun 2026 PMID 42366325
IL-17A in Vasculitis (3)
- Phase 3 Trial of Secukinumab in Polymyalgia Rheumatica. The New England journal of medicine · 3 Jun 2026 PMID 42234540
- Secukinumab for Giant Cell Arteritis. NEJM evidence · 3 Jun 2026 PMID 42234457
- Sex dictates IL-17A regulation: Inflammatory determinants in males versus a potassium-linked metabolic axis in females. PloS one · 18 May 2026 PMID 42149862
Others — Diverse IL-17A Biology (6)
- Identification of vaccine candidates by immunization with a complex pool of recombinant VLPs. Vaccine · 13 Aug 2026 PMID 42594642
- Interleukin-17A: a novel player in the treatment of liver lesions associated with cystic echinococcosis. Journal of helminthology · 10 Aug 2026 PMID 42572858
- Levels of DEL-1 and IL-17 in the aqueous humor of cataract patients with diabetes without diabetic retinopathy. International ophthalmology · 25 Jun 2026 PMID 42347979
- Plasticizer-responsive molecular axes in heart failure: a subtype-aware toxicogenomic framework relevant to environmental health. Environment international · 3 Jun 2026 PMID 42235321
- Mechanistic insights into the neuroprotective effects of yangyin formula on cerebral ischemia-reperfusion injury via the IL-17A/MAPK/NF-κB signaling pathway. Journal of molecular histology · 8 May 2026 PMID 42101703
- Divergent macrophage-regulated T cell states determine response to Bacillus Calmette-Guérin vaccine in high-risk bladder cancer. The Journal of clinical investigation · 4 May 2026 PMID 42081487
By study type
Clinical trials (2)
- Phase 3 Trial of Secukinumab in Polymyalgia Rheumatica. The New England journal of medicine · 3 Jun 2026 PMID 42234540
- Secukinumab for Giant Cell Arteritis. NEJM evidence · 3 Jun 2026 PMID 42234457
Observational studies and case reports (3)
- Effectiveness of bimekizumab according to previous biologic exposure in patients with plaque psoriasis: a multicenter real-world study. The Journal of dermatological treatment · 29 Jul 2026 PMID 42522774
- Kidney function recovery in immunoglobulin A nephropathy patient following bimekizumab therapy. BMJ case reports · 23 Jul 2026 PMID 42493217
- Sex dictates IL-17A regulation: Inflammatory determinants in males versus a potassium-linked metabolic axis in females. PloS one · 18 May 2026 PMID 42149862
Human data, design not indexed (4)
- Levels of DEL-1 and IL-17 in the aqueous humor of cataract patients with diabetes without diabetic retinopathy. International ophthalmology · 25 Jun 2026 PMID 42347979
- Plasticizer-responsive molecular axes in heart failure: a subtype-aware toxicogenomic framework relevant to environmental health. Environment international · 3 Jun 2026 PMID 42235321
- Humoral contributions to checkpoint blockade therapy. Journal for immunotherapy of cancer · 11 May 2026 PMID 42114949
- Divergent macrophage-regulated T cell states determine response to Bacillus Calmette-Guérin vaccine in high-risk bladder cancer. The Journal of clinical investigation · 4 May 2026 PMID 42081487
Preclinical: animal, cell and lab studies (10)
- Identification of vaccine candidates by immunization with a complex pool of recombinant VLPs. Vaccine · 13 Aug 2026 PMID 42594642
- Interleukin-17A: a novel player in the treatment of liver lesions associated with cystic echinococcosis. Journal of helminthology · 10 Aug 2026 PMID 42572858
- Gut-derived genistein from Parabacteroides distasonis alleviates psoriatic inflammation via CD200-mediated NF-κB inhibition in mice. Gut microbes · 16 Jul 2026 PMID 42461117
- Mechanism of Compound Xinyi Nasal Drops in the Treatment of Allergic Rhinitis Through STAT3/IL-17A/NF-κB Signaling Pathway Based on Network Pharmacology and Experimental Verification. Biomedical chromatography : BMC · 6 Jul 2026 PMID 42409592
- Targeting GLP-1R and IL-17A suppresses obesity-induced leukemia in an oncogenic PTPN11 mutation-driven model. The Journal of clinical investigation · 23 Jun 2026 PMID 42334870
- Plasma proteomics improves thrombosis prediction in patients with cancer and identifies targetable IL-17-driven endothelial activation. Science translational medicine · 17 Jun 2026 PMID 42308329
- Therapeutic targeting of IL-17A-driven PTGS2/NLRP3 inflammasome activation in juvenile myelomonocytic leukemia. Blood · 3 Jun 2026 PMID 42233403
- Glycerol-mediated nose-to-brain codelivery of anti-IL-17 and anti-CD73 antibodies enhances immunotherapy for melanoma brain metastases. Science advances · 13 May 2026 PMID 42127192
- Mechanistic insights into the neuroprotective effects of yangyin formula on cerebral ischemia-reperfusion injury via the IL-17A/MAPK/NF-κB signaling pathway. Journal of molecular histology · 8 May 2026 PMID 42101703
- An adaptive cellular source of IL-17A and IL-17F is critical for the induction of experimental autoimmune encephalomyelitis. Science immunology · 24 Apr 2026 PMID 42030372
Unclassified: not yet indexed with MeSH (1)
- Effectiveness, Safety, and Drug Survival of Bimekizumab in Chronic Plaque Psoriasis over 2 Years: Real-World Experience from Northern Italy. Dermatology and therapy · 28 Jun 2026 PMID 42366325
Written from 20 PubMed abstracts, each one listed by PMID above. Published: 2026-06-16. Last written: 2026-08-26 by GPT. Drafted by language models from published abstracts; not medical advice.