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Lenti E, Bianchessi S, Proulx ST, Palano MT, Genovese L, Raccosta L, Spinelli A, Drago D, Andolfo A, Alfano M, Petrova TV, Mukenge S, Russo V, Brendolan A. Therapeutic Regeneration of Lymphatic and Immune Cell Functions upon Lympho-organoid Transplantation. Stem Cell Reports 2019; 12:1260-1268. [PMID: 31155505 PMCID: PMC6565831 DOI: 10.1016/j.stemcr.2019.04.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/14/2022] Open
Abstract
Lymph nodes (LNs) are secondary lymphoid tissues that play a critical role in filtering the lymph and promoting adaptive immune responses. Surgical resection of LNs, radiation therapy, or infections may damage lymphatic vasculature and compromise immune functions. Here, we describe the generation of functional synthetic lympho-organoids (LOs) using LN stromal progenitors and decellularized extracellular matrix-based scaffolds, two basic constituents of secondary lymphoid tissues. We show that upon transplantation at the site of resected LNs, LOs become integrated into the endogenous lymphatic vasculature and efficiently restore lymphatic drainage and perfusion. Upon immunization, LOs support the activation of antigen-specific immune responses, thus acquiring properties of native lymphoid tissues. These findings provide a proof-of-concept strategy for the development of functional lympho-organoids suitable for restoring lymphatic and immune cell functions.
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Affiliation(s)
- Elisa Lenti
- Unit of Lymphoid Organ Development, Division of Experimental Oncology, DIBIT-1 3A2, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Silvia Bianchessi
- Unit of Lymphoid Organ Development, Division of Experimental Oncology, DIBIT-1 3A2, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Steven T Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | - Maria Teresa Palano
- Unit of Lymphoid Organ Development, Division of Experimental Oncology, DIBIT-1 3A2, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Luca Genovese
- Unit of Lymphoid Organ Development, Division of Experimental Oncology, DIBIT-1 3A2, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Laura Raccosta
- Unit of Immuno-Biotherapy of Melanoma and Solid Tumors, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Antonello Spinelli
- Experimental Imaging Centre, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Denise Drago
- ProMiFa, Protein Microsequencing Facility, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Annapaola Andolfo
- ProMiFa, Protein Microsequencing Facility, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Massimo Alfano
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Tatiana V Petrova
- Department of Oncology, University of Lausanne, and Ludwig Institute for Cancer Research, 1066 Lausanne, Switzerland
| | - Sylvain Mukenge
- Department of Hepatobiliary Surgery, IRCCS San Raffaele Hospital, 20132 Milan, Italy
| | - Vincenzo Russo
- Unit of Immuno-Biotherapy of Melanoma and Solid Tumors, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Andrea Brendolan
- Unit of Lymphoid Organ Development, Division of Experimental Oncology, DIBIT-1 3A2, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy.
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