Helminth egg derivatives as proregenerative immunotherapies

Author:

Maestas David R.1ORCID,Chung Liam12,Han Jin1,Wang Xiaokun1,Sommerfeld Sven D.1,Kelly Sean H.1ORCID,Moore Erika13ORCID,Nguyen Helen Hieu1ORCID,Mejías Joscelyn C.1,Peña Alexis N.1,Zhang Hong1,Hooks Joshua S. T.1,Chin Alexander F.1,Andorko James I.12,Berlinicke Cynthia A.1,Krishnan Kavita1ORCID,Choi Younghwan1,Anderson Amy E.1ORCID,Mahatme Ronak1ORCID,Mejia Christopher1,Eric Marie1,Woo JiWon1ORCID,Ganguly Sudipto24,Zack Donald J.5ORCID,Zhao Liang24ORCID,Pearce Edward J.246,Housseau Franck24ORCID,Pardoll Drew M.24,Elisseeff Jennifer H.124

Affiliation:

1. Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21287

2. Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University, School of Medicine, Baltimore, MD 21287

3. Materials Science and Engineering, University of Florida, Gainesville, FL 32611

4. Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287

5. Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287

6. Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21287

Abstract

The immune system is increasingly recognized as an important regulator of tissue repair. We developed a regenerative immunotherapy from the helminth Schistosoma mansoni soluble egg antigen (SEA) to stimulate production of interleukin (IL)-4 and other type 2-associated cytokines without negative infection-related sequelae. The regenerative SEA (rSEA) applied to a murine muscle injury induced accumulation of IL-4-expressing T helper cells, eosinophils, and regulatory T cells and decreased expression of IL-17A in gamma delta (γδ) T cells, resulting in improved repair and decreased fibrosis. Encapsulation and controlled release of rSEA in a hydrogel further enhanced type 2 immunity and larger volumes of tissue repair. The broad regenerative capacity of rSEA was validated in articular joint and corneal injury models. These results introduce a regenerative immunotherapy approach using natural helminth derivatives.

Funder

HHS | National Institutes of Health

U.S. Department of Defense

HHS | NIH | National Eye Institute

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

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