Pediatric multicellular tumor spheroid models illustrate a therapeutic potential by combining BH3 mimetics with Natural Killer (NK) cell-based immunotherapy.


Journal

Cell death discovery
ISSN: 2058-7716
Titre abrégé: Cell Death Discov
Pays: United States
ID NLM: 101665035

Informations de publication

Date de publication:
10 Jan 2022
Historique:
received: 29 09 2021
accepted: 16 12 2021
revised: 03 12 2021
entrez: 11 1 2022
pubmed: 12 1 2022
medline: 12 1 2022
Statut: epublish

Résumé

The induction of apoptosis is a direct way to eliminate tumor cells and improve cancer therapy. Apoptosis is tightly controlled by the balance of pro- and antiapoptotic Bcl-2 proteins. BH3 mimetics neutralize the antiapoptotic function of Bcl-2 proteins and are highly promising compounds inducing apoptosis in several cancer entities including pediatric malignancies. However, the clinical application of BH3 mimetics in solid tumors is impeded by the frequent resistance to single BH3 mimetics and the anticipated toxicity of high concentrations or combination treatments. One potential avenue to increase the potency of BH3 mimetics is the development of immune cell-based therapies to counteract the intrinsic apoptosis resistance of tumor cells and sensitize them to immune attack. Here, we describe spheroid cultures of pediatric cancer cells that can serve as models for drug testing. In these 3D models, we were able to demonstrate that activated allogeneic Natural Killer (NK) cells migrated into tumor spheroids and displayed cytotoxicity against a wide range of pediatric cancer spheroids, highlighting their potential as anti-tumor effector cells. Next, we investigated whether treatment of tumor spheroids with subtoxic concentrations of BH3 mimetics can increase the cytotoxicity of NK cells. Notably, the cytotoxic effects of NK cells were enhanced by the addition of BH3 mimetics. Treatment with either the Bcl-X

Identifiants

pubmed: 35013156
doi: 10.1038/s41420-021-00812-6
pii: 10.1038/s41420-021-00812-6
pmc: PMC8748928
doi:

Types de publication

Journal Article

Langues

eng

Pagination

11

Subventions

Organisme : Deutsche Krebshilfe (German Cancer Aid)
ID : 70113791
Organisme : Deutsche Krebshilfe (German Cancer Aid)
ID : 70113791
Organisme : Deutsche Krebshilfe (German Cancer Aid)
ID : 70112823
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : CRC 1292 - IRTG
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : INST 256/423-1 FUGG
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : CRC 1292

Informations de copyright

© 2022. The Author(s).

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Auteurs

Vinzenz Särchen (V)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Senthan Shanmugalingam (S)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Sarah Kehr (S)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Lisa Marie Reindl (LM)

Children's Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany.
Experimental Immunology, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Victoria Greze (V)

Children's Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany.
Experimental Immunology, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Sara Wiedemann (S)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Cathinka Boedicker (C)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Maureen Jacob (M)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Katrin Bankov (K)

Dr. Senckenberg Institute of Pathology, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Nina Becker (N)

Dr. Senckenberg Institute of Pathology, Goethe-University Frankfurt, Frankfurt am Main, Germany.
University Cancer Center Frankfurt (UCT), University Hospital Frankfurt, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Sibylle Wehner (S)

Children's Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Till M Theilen (TM)

Department of Pediatric Surgery and Pediatric Urology, University Hospital Frankfurt, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Steffen Gretser (S)

Department of Pediatric and Perinatal Pathology, Dr. Senckenberg Institute of Pathology, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Elise Gradhand (E)

Department of Pediatric and Perinatal Pathology, Dr. Senckenberg Institute of Pathology, Goethe-University Frankfurt, Frankfurt am Main, Germany.

Carsten Kummerow (C)

Department of Biophysics, Center for Integrative Physiology and Molecular Medicine, School of Medicine, Saarland University, Homburg, Saarland, Germany.

Evelyn Ullrich (E)

Children's Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany.
Experimental Immunology, Goethe-University Frankfurt, Frankfurt am Main, Germany.
University Cancer Center Frankfurt (UCT), University Hospital Frankfurt, Goethe-University Frankfurt, Frankfurt am Main, Germany.
Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt am Main, Germany.
German Cancer Consortium (DKTK) partner site Frankfurt/Mainz, Frankfurt am Main, Germany.

Meike Vogler (M)

Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt am Main, Germany. m.vogler@kinderkrebsstiftung-frankfurt.de.
German Cancer Consortium (DKTK) partner site Frankfurt/Mainz, Frankfurt am Main, Germany. m.vogler@kinderkrebsstiftung-frankfurt.de.

Classifications MeSH