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Kudra A, Kaźmierczak-Siedlecka K, Sobocki BK, Muszyński D, Połom J, Carbone L, Marano L, Roviello F, Kalinowski L, Stachowska E. Postbiotics in oncology: science or science fiction? Front Microbiol 2023; 14:1182547. [PMID: 37608943 PMCID: PMC10440707 DOI: 10.3389/fmicb.2023.1182547] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/13/2023] [Indexed: 08/24/2023] Open
Abstract
The gut microbiome has been increasingly understood to play a critical role in carcinogenesis and cancer disease progression. The most recent research advancements have shown that different tools of microbiota manipulation contribute to gut microbiome-immune-oncology axis modulation, offering exciting opportunities for targeted interventions aimed at improving the efficacy of established anti-cancer therapy. Postbiotics are a new entry among the biotics showing beneficial effects on human health while not requiring living cells to obtain the health effect and therefore not subjected to food safety rules for live microorganisms. Postbiotics are recently defined as the "preparation of inanimate microorganisms and/or their components that confers a health benefit on the host" and have gradually become the focus of the scientific community. Since the beginning of research on this topic, numerous studies about postbiotics have been proven to strengthen the gut barrier, reduce inflammation, and promote antimicrobial activity. However, research on the potential application of cancer therapy is still at the early stages of its efforts to uncover all the secrets surrounding postbiotics. This review aims to increase our understanding of the anti-cancer effect of postbiotics throughout a "bibliographic journey" on the biological activity of their components, including exopolysaccharides, cell wall fragments, tryptophan metabolites, enzymes, bacterial lysates, extracellular vesicles, and short-chain fatty acids, highlighting their perspective as a new supportive therapeutic method of treatment and identifying the literature gaps where further research is needed.
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Affiliation(s)
- Anna Kudra
- Scientific Circle of Studies Regarding Personalized Medicine Associated With Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Bartosz Kamil Sobocki
- Scientific Circle of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland
| | - Damian Muszyński
- Scientific Circle of Studies Regarding Personalized Medicine Associated With Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdańsk, Gdańsk, Poland
| | - Joanna Połom
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdańsk, Gdańsk, Poland
| | - Ludovico Carbone
- Department of Medicine Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Luigi Marano
- Department of Medicine Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Franco Roviello
- Department of Medicine Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Leszek Kalinowski
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdańsk, Gdańsk, Poland
- BioTechMed Centre/Department of Mechanics of Materials and Structures, Gdańsk University of Technology, Gdańsk, Poland
| | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University, Szczecin, Poland
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Chiniquy D, Underwood W, Corwin J, Ryan A, Szemenyei H, Lim CC, Stonebloom SH, Birdseye DS, Vogel J, Kliebenstein D, Scheller HV, Somerville S. PMR5, an acetylation protein at the intersection of pectin biosynthesis and defense against fungal pathogens. Plant J 2019; 100:1022-1035. [PMID: 31411777 DOI: 10.1111/tpj.14497] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/12/2019] [Accepted: 07/17/2019] [Indexed: 05/11/2023]
Abstract
Powdery mildew (Golovinomyces cichoracearum), one of the most prolific obligate biotrophic fungal pathogens worldwide, infects its host by penetrating the plant cell wall without activating the plant's innate immune system. The Arabidopsis mutant powdery mildew resistant 5 (pmr5) carries a mutation in a putative pectin acetyltransferase gene that confers enhanced resistance to powdery mildew. Here, we show that heterologously expressed PMR5 protein transfers acetyl groups from [14 C]-acetyl-CoA to oligogalacturonides. Through site-directed mutagenesis, we show that three amino acids within a highly conserved esterase domain in putative PMR5 orthologs are necessary for PMR5 function. A suppressor screen of mutagenized pmr5 seed selecting for increased powdery mildew susceptibility identified two previously characterized genes affecting the acetylation of plant cell wall polysaccharides, RWA2 and TBR. The rwa2 and tbr mutants also suppress powdery mildew disease resistance in pmr6, a mutant defective in a putative pectate lyase gene. Cell wall analysis of pmr5 and pmr6, and their rwa2 and tbr suppressor mutants, demonstrates minor shifts in cellulose and pectin composition. In direct contrast to their increased powdery mildew resistance, both pmr5 and pmr6 plants are highly susceptibile to multiple strains of the generalist necrotroph Botrytis cinerea, and have decreased camalexin production upon infection with B. cinerea. These results illustrate that cell wall composition is intimately connected to fungal disease resistance and outline a potential route for engineering powdery mildew resistance into susceptible crop species.
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Affiliation(s)
- Dawn Chiniquy
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
| | - William Underwood
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
| | - Jason Corwin
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Andrew Ryan
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
| | - Heidi Szemenyei
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
| | - Candice C Lim
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
| | | | | | - John Vogel
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Joint Genome Institute, Walnut Creek, CA, 94598, USA
| | - Daniel Kliebenstein
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Henrik V Scheller
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Joint BioEnergy Institute, Emeryville, CA, 94608, USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Shauna Somerville
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, 94720, USA
- Energy Biosciences Institute, Berkeley, CA, 94720, USA
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