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Sun L, He M, Li F, Wu D, Zheng P, Zhang C, Liu Y, Liu D, Shan M, Yang M, Ma Y, Lian J, Xiong H. Oxyberberine sensitizes liver cancer cells to sorafenib via inhibiting NOTCH1-USP7-c-Myc pathway. Hepatol Commun 2024; 8:e0405. [PMID: 38573832 PMCID: PMC10997235 DOI: 10.1097/hc9.0000000000000405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 01/04/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND Sorafenib is the first-line therapy for patients with advanced-stage HCC, but its clinical cure rate is unsatisfactory due to adverse reactions and drug resistance. Novel alternative strategies to overcome sorafenib resistance are urgently needed. Oxyberberine (OBB), a major metabolite of berberine in vivo, exhibits potential antitumor potency in various human malignancies, including liver cancer. However, it remains unknown whether and how OBB sensitizes liver cancer cells to sorafenib. METHODS Cell viability, trypan blue staining and flow cytometry assays were employed to determine the synergistic effect of OBB and sorafenib on killing HCC cells. PCR, western blot, co-immunoprecipitation and RNA interference assays were used to decipher the mechanism by which OBB sensitizes sorafenib. HCC xenograft models and clinical HCC samples were utilized to consolidate our findings. RESULTS We found for the first time that OBB sensitized liver cancer cells to sorafenib, enhancing its inhibitory effect on cell growth and induction of apoptosis in vitro. Interestingly, we observed that OBB enhanced the sensitivity of HCC cells to sorafenib by reducing ubiquitin-specific peptidase 7 (USP7) expression, a well-known tumor-promoting gene. Mechanistically, OBB inhibited notch homolog 1-mediated USP7 transcription, leading to the downregulation of V-Myc avian myelocytomatosis viral oncogene homolog (c-Myc), which synergized with sorafenib to suppress liver cancer. Furthermore, animal results showed that cotreatment with OBB and sorafenib significantly inhibited the tumor growth of liver cancer xenografts in mice. CONCLUSIONS These results indicate that OBB enhances the sensitivity of liver cancer cells to sorafenib through inhibiting notch homolog 1-USP7-c-Myc signaling pathway, which potentially provides a novel therapeutic strategy for liver cancer to improve the effectiveness of sorafenib.
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Affiliation(s)
- Liangbo Sun
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Meng He
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Feng Li
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Department of Hepatobiliary and Pancreatic Surgery, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Di Wu
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ping Zheng
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Cong Zhang
- Department of Laboratory Animal Science, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yang Liu
- Department of Laboratory Animal Science, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Dong Liu
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Meihua Shan
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Mingzhen Yang
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yuanhang Ma
- Department of General Surgery of Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jiqin Lian
- Department of Clinical Biochemistry, Army Medical University (Third Military Medical University), Chongqing, China
| | - Haojun Xiong
- Key Laboratory of Hepatobiliary and Pancreatic Surgery, Institute of Hepatobiliary Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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Yang L, Ruan Z, Lin X, Wang H, Xin Y, Tang H, Hu Z, Zhou Y, Wu Y, Wang J, Qin D, Lu G, Loomes KM, Chan WY, Liu X. NAD + dependent UPR mt activation underlies intestinal aging caused by mitochondrial DNA mutations. Nat Commun 2024; 15:546. [PMID: 38228611 PMCID: PMC10791663 DOI: 10.1038/s41467-024-44808-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/03/2024] [Indexed: 01/18/2024] Open
Abstract
Aging in mammals is accompanied by an imbalance of intestinal homeostasis and accumulation of mitochondrial DNA (mtDNA) mutations. However, little is known about how accumulated mtDNA mutations modulate intestinal homeostasis. We observe the accumulation of mtDNA mutations in the small intestine of aged male mice, suggesting an association with physiological intestinal aging. Using polymerase gamma (POLG) mutator mice and wild-type mice, we generate male mice with progressive mtDNA mutation burdens. Investigation utilizing organoid technology and in vivo intestinal stem cell labeling reveals decreased colony formation efficiency of intestinal crypts and LGR5-expressing intestinal stem cells in response to a threshold mtDNA mutation burden. Mechanistically, increased mtDNA mutation burden exacerbates the aging phenotype of the small intestine through ATF5 dependent mitochondrial unfolded protein response (UPRmt) activation. This aging phenotype is reversed by supplementation with the NAD+ precursor, NMN. Thus, we uncover a NAD+ dependent UPRmt triggered by mtDNA mutations that regulates the intestinal aging.
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Affiliation(s)
- Liang Yang
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Zifeng Ruan
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaobing Lin
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Hao Wang
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Yanmin Xin
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Haite Tang
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Zhijuan Hu
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yunhao Zhou
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yi Wu
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Junwei Wang
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Dajiang Qin
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, China
- Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Gang Lu
- CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, CUHK-Jinan University Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Kerry M Loomes
- School of Biological Sciences and Institute for Innovation in Biotechnology, University of Auckland, Auckland, 1010, New Zealand
| | - Wai-Yee Chan
- CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, CUHK-Jinan University Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xingguo Liu
- CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, China.
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, China.
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, CUHK-GIBH Joint Research Laboratory on Stem Cells and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.
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Flanagan DJ, Amirkhah R, Vincent DF, Gunduz N, Gentaz P, Cammareri P, McCooey AJ, McCorry AMB, Fisher NC, Davis HL, Ridgway RA, Lohuis J, Leach JDG, Jackstadt R, Gilroy K, Mariella E, Nixon C, Clark W, Hedley A, Markert EK, Strathdee D, Bartholin L, Redmond KL, Kerr EM, Longley DB, Ginty F, Cho S, Coleman HG, Loughrey MB, Bardelli A, Maughan TS, Campbell AD, Lawler M, Leedham SJ, Barry ST, Inman GJ, van Rheenen J, Dunne PD, Sansom OJ. Epithelial TGFβ engages growth-factor signalling to circumvent apoptosis and drive intestinal tumourigenesis with aggressive features. Nat Commun 2022; 13:7551. [PMID: 36477656 PMCID: PMC9729215 DOI: 10.1038/s41467-022-35134-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
The pro-tumourigenic role of epithelial TGFβ signalling in colorectal cancer (CRC) is controversial. Here, we identify a cohort of born to be bad early-stage (T1) colorectal tumours, with aggressive features and a propensity to disseminate early, that are characterised by high epithelial cell-intrinsic TGFβ signalling. In the presence of concurrent Apc and Kras mutations, activation of epithelial TGFβ signalling rampantly accelerates tumourigenesis and share transcriptional signatures with those of the born to be bad T1 human tumours and predicts recurrence in stage II CRC. Mechanistically, epithelial TGFβ signalling induces a growth-promoting EGFR-signalling module that synergises with mutant APC and KRAS to drive MAPK signalling that re-sensitise tumour cells to MEK and/or EGFR inhibitors. Together, we identify epithelial TGFβ signalling both as a determinant of early dissemination and a potential therapeutic vulnerability of CRC's with born to be bad traits.
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Affiliation(s)
- Dustin J Flanagan
- Cancer Research UK Beatson Institute, Glasgow, UK.
- Department of Biochemistry and Molecular Biology, Monash University, Melbourne, Australia.
- Cancer Program, Biomedicine Discovery Institute, Monash University, Melbourne, Australia.
| | - Raheleh Amirkhah
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | | | - Nuray Gunduz
- Cancer Research UK Beatson Institute, Glasgow, UK
| | | | | | - Aoife J McCooey
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Amy M B McCorry
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Natalie C Fisher
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Hayley L Davis
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | | | - Jeroen Lohuis
- Department of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Joshua D G Leach
- Cancer Research UK Beatson Institute, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Rene Jackstadt
- Cancer Research UK Beatson Institute, Glasgow, UK
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH) and Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | | | - Elisa Mariella
- Department of Oncology, University of Torino, Candiolo, Torino, Italy
| | - Colin Nixon
- Cancer Research UK Beatson Institute, Glasgow, UK
| | | | - Ann Hedley
- Cancer Research UK Beatson Institute, Glasgow, UK
- University of Newcastle upon Tyne, Newcastle, UK
| | - Elke K Markert
- Cancer Research UK Beatson Institute, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | | | | | - Keara L Redmond
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Emma M Kerr
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Daniel B Longley
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Fiona Ginty
- GE Global Research Center, Niskayuna, NY, USA
| | - Sanghee Cho
- GE Global Research Center, Niskayuna, NY, USA
| | - Helen G Coleman
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Maurice B Loughrey
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
- Centre for Public Health, Queen's University Belfast, Belfast, UK
- Department of Cellular Pathology, Belfast Health and Social Care Trust, Belfast, UK
| | - Alberto Bardelli
- Department of Oncology, University of Torino, Candiolo, Torino, Italy
| | - Timothy S Maughan
- CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | | | - Mark Lawler
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Simon J Leedham
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Simon T Barry
- Bioscience, Oncology R&D, AstraZeneca, Cambridge, UK
| | - Gareth J Inman
- Cancer Research UK Beatson Institute, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Jacco van Rheenen
- Department of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Philip D Dunne
- Cancer Research UK Beatson Institute, Glasgow, UK
- The Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, UK
| | - Owen J Sansom
- Cancer Research UK Beatson Institute, Glasgow, UK.
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK.
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4
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Fink M, Wrana JL. Regulation of homeostasis and regeneration in the adult intestinal epithelium by the TGF-β superfamily. Dev Dyn 2022; 252:445-462. [PMID: 35611490 DOI: 10.1002/dvdy.500] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/02/2022] [Accepted: 05/03/2022] [Indexed: 11/09/2022] Open
Abstract
The delicate balance between the homeostatic maintenance and regenerative capacity of the intestine makes this a fascinating tissue of study. The intestinal epithelium undergoes continuous homeostatic renewal but is also exposed to a diverse array of stresses that can range from physiological processes such as digestion, to exposure to infectious agents, drugs, radiation therapy, and inflammatory stimuli. The intestinal epithelium has thus evolved to efficiently maintain and reinstate proper barrier function that is essential for intestinal integrity and function. Factors governing homeostatic epithelial turnover are well described, however, the dynamic regenerative mechanisms that occur following injury are the subject of intense ongoing investigations. The TGF-β superfamily is a key regulator of both homeostatic renewal and regenerative processes of the intestine. Here we review the roles of TGF-β and BMP on the adult intestinal epithelium during self-renewal and injury to provide a framework for understanding how this major family of morphogens can tip the scale between intestinal health and disease. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Mardi Fink
- Centre for Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Jeffrey L Wrana
- Centre for Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
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Cherkasova V, Kovalchuk O, Kovalchuk I. Cannabinoids and Endocannabinoid System Changes in Intestinal Inflammation and Colorectal Cancer. Cancers (Basel) 2021; 13:4353. [PMID: 34503163 PMCID: PMC8430689 DOI: 10.3390/cancers13174353] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 08/25/2021] [Indexed: 01/02/2023] Open
Abstract
Despite the multiple preventive measures and treatment options, colorectal cancer holds a significant place in the world's disease and mortality rates. The development of novel therapy is in critical need, and based on recent experimental data, cannabinoids could become excellent candidates. This review covered known experimental studies regarding the effects of cannabinoids on intestinal inflammation and colorectal cancer. In our opinion, because colorectal cancer is a heterogeneous disease with different genomic landscapes, the choice of cannabinoids for tumor prevention and treatment depends on the type of the disease, its etiology, driver mutations, and the expression levels of cannabinoid receptors. In this review, we describe the molecular changes of the endocannabinoid system in the pathologies of the large intestine, focusing on inflammation and cancer.
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Affiliation(s)
| | - Olga Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 7X8, Canada;
| | - Igor Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 7X8, Canada;
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6
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Skeletal Deformities in Osterix-Cre;Tgfbr2 f/f Mice May Cause Postnatal Death. Genes (Basel) 2021; 12:genes12070975. [PMID: 34202311 PMCID: PMC8307487 DOI: 10.3390/genes12070975] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 12/25/2022] Open
Abstract
Transforming growth factor β (TGFβ) signaling plays an important role in skeletal development. We previously demonstrated that the loss of TGFβ receptor II (Tgfbr2) in Osterix-Cre-expressing mesenchyme results in defects in bones and teeth due to reduced proliferation and differentiation in pre-osteoblasts and pre-odontoblasts. These Osterix-Cre;Tgfbr2f/f mice typically die within approximately four weeks for unknown reasons. To investigate the cause of death, we performed extensive pathological analysis on Osterix-Cre- (Cre-), Osterix-Cre+;Tgfbr2f/wt (HET), and Osterix-Cre+;Tgfbr2f/f (CKO) mice. We also crossed Osterix-Cre mice with the ROSA26mTmG reporter line to identify potential off-target Cre expression. The findings recapitulated published skeletal and tooth abnormalities and revealed previously unreported osteochondral dysplasia throughout both the appendicular and axial skeletons in the CKO mice, including the calvaria. Alterations to the nasal area and teeth suggest a potentially reduced capacity to sense and process food, while off-target Cre expression in the gastrointestinal tract may indicate an inability to absorb nutrients. Additionally, altered nasal passages and unexplained changes in diaphragmatic muscle support the possibility of hypoxia. We conclude that these mice likely died due to a combination of breathing difficulties, malnutrition, and starvation resulting primarily from skeletal deformities that decreased their ability to sense, gather, and process food.
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Schwarzmueller L, Bril O, Vermeulen L, Léveillé N. Emerging Role and Therapeutic Potential of lncRNAs in Colorectal Cancer. Cancers (Basel) 2020; 12:E3843. [PMID: 33352769 PMCID: PMC7767007 DOI: 10.3390/cancers12123843] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 02/06/2023] Open
Abstract
Maintenance of the intestinal epithelium is dependent on the control of stem cell (SC) proliferation and differentiation. The fine regulation of these cellular processes requires a complex dynamic interplay between several signaling pathways, including Wnt, Notch, Hippo, EGF, Ephrin, and BMP/TGF-β. During the initiation and progression of colorectal cancer (CRC), key events, such as oncogenic mutations, influence these signaling pathways, and tilt the homeostatic balance towards proliferation and dedifferentiation. Therapeutic strategies to specifically target these deregulated signaling pathways are of particular interest. However, systemic blocking or activation of these pathways poses major risks for normal stem cell function and tissue homeostasis. Interestingly, long non-coding RNAs (lncRNAs) have recently emerged as potent regulators of key cellular processes often deregulated in cancer. Because of their exceptional tissue and tumor specificity, these regulatory RNAs represent attractive targets for cancer therapy. Here, we discuss how lncRNAs participate in the maintenance of intestinal homeostasis and how they can contribute to the deregulation of each signaling pathway in CRC. Finally, we describe currently available molecular tools to develop lncRNA-targeted cancer therapies.
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Affiliation(s)
- Laura Schwarzmueller
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (L.S.); (O.B.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Oscar Bril
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (L.S.); (O.B.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Louis Vermeulen
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (L.S.); (O.B.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Nicolas Léveillé
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (L.S.); (O.B.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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8
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Kasi A, Handa S, Bhatti S, Umar S, Bansal A, Sun W. Molecular Pathogenesis and Classification of Colorectal Carcinoma. CURRENT COLORECTAL CANCER REPORTS 2020; 16:97-106. [PMID: 32905465 DOI: 10.1007/s11888-020-00458-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Purpose of review Molecular pathways in colorectal carcinogenesis involve several complex genetic and epigenetic modulations that cause normal colonic mucosa to metamorphose into a benign polyp and subsequently into a malignant tumor. Our purpose is to recapitulate historical and recent genomic research in order to augment the understanding of colorectal cancer pathogenesis. Recent Findings In 2015, the molecular classification for colorectal cancers was unified into one system with four distinct groups, also called as consensus molecular subtypes. This led to an enhanced understanding of molecular and immune signatures which has implications on predicting the clinical behavior as well as response to different therapeutic agents. Summary In this review, we expound on the current literature as well as draw on our own experience to present the important molecular pathogenesis pathways, key genetic mutations, differences in pathogenesis of left versus right sided tumors as well as the molecular classification of colorectal cancers.
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Affiliation(s)
- Anup Kasi
- Department of Medicine, Division of Medical Oncology, Kansas University Medical Center, Kansas City, KS, U.S.A
| | - Shivani Handa
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai West & Morningside, NY, NY
| | - Sajjad Bhatti
- Department of Medicine, Division of Medical Oncology, Kansas University Medical Center, Kansas City, KS, U.S.A
| | - Shahid Umar
- Department of Medicine, Division of Surgery, Kansas University Medical Center, Kansas City, KS, U.S.A
| | - Ajay Bansal
- Department of Medicine, Division of Gastroenterology, Kansas University Medical Center, Kansas City, KS, U.S.A
| | - Weijing Sun
- Department of Medicine, Division of Medical Oncology, Kansas University Medical Center, Kansas City, KS, U.S.A
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9
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Liu YL, Guo SG, Xie CY, Niu K, De Jonge H, Wu X. Uridine inhibits the stemness of intestinal stem cells in 3D intestinal organoids and mice. RSC Adv 2020; 10:6377-6387. [PMID: 35496025 PMCID: PMC9049648 DOI: 10.1039/c9ra07742a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/29/2020] [Indexed: 02/06/2023] Open
Abstract
The activity of intestinal stem cells (ISCs) is foremost in maintaining homeostasis and repair of intestines.
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Affiliation(s)
- Yi-Lin Liu
- Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences
- Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process
| | - Song-Ge Guo
- Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences
- Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process
| | - Chun-yan Xie
- College of Resources and Environment
- College of Bioscience and Biotechnology
- Hunan Agricultural University
- Changsha
- China
| | - Kaimin Niu
- Institute of Biological Resources
- Jiangxi Academy of Sciences
- Nanchang 330096
- China
| | - Hugo De Jonge
- Department of Gastroenterology and Hepatology
- Erasmus MC University Medical Center
- Rotterdam
- Netherlands
| | - Xin Wu
- Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences
- Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process
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10
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Zhao B, Chen Y, Jiang N, Yang L, Sun S, Zhang Y, Wen Z, Ray L, Liu H, Hou G, Lin X. Znhit1 controls intestinal stem cell maintenance by regulating H2A.Z incorporation. Nat Commun 2019; 10:1071. [PMID: 30842416 PMCID: PMC6403214 DOI: 10.1038/s41467-019-09060-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 02/15/2019] [Indexed: 12/31/2022] Open
Abstract
Lgr5+ stem cells are crucial to gut epithelium homeostasis; however, how these cells are maintained is not fully understood. Zinc finger HIT-type containing 1 (Znhit1) is an evolutionarily conserved subunit of the SRCAP chromosome remodeling complex. Currently, the function of Znhit1 in vivo and its working mechanism in the SRCAP complex are unknown. Here we show that deletion of Znhit1 in intestinal epithelium depletes Lgr5+ stem cells thus disrupts intestinal homeostasis postnatal establishment and maintenance. Mechanistically, Znhit1 incorporates histone variant H2A.Z into TSS region of genes involved in Lgr5+ stem cell fate determination, including Lgr5, Tgfb1 and Tgfbr2, for subsequent transcriptional regulation. Importantly, Znhit1 promotes the interaction between H2A.Z and YL1 (H2A.Z chaperone) by controlling YL1 phosphorylation. These results demonstrate that Znhit1/H2A.Z is essential for Lgr5+ stem cell maintenance and intestinal homeostasis. Our findings identified a dominant role of Znhit1/H2A.Z in controlling mammalian organ development and tissue homeostasis in vivo.
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Affiliation(s)
- Bing Zhao
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China.
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA.
| | - Ying Chen
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Ning Jiang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
| | - Li Yang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
| | - Shenfei Sun
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yan Zhang
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Zengqi Wen
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Lorraine Ray
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Han Liu
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
| | - Guoli Hou
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xinhua Lin
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China.
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA.
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11
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Hahn S, Kim MS, Choi SY, Jeong S, Jee J, Kim HK, Jeong SY, Shin H, Kim HS, Park JS, Yoo J. Leucine-rich repeat-containing G-protein coupled receptor 5 enriched organoids under chemically-defined growth conditions. Biochem Biophys Res Commun 2018; 508:430-439. [PMID: 30503340 DOI: 10.1016/j.bbrc.2018.11.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 11/02/2018] [Indexed: 12/15/2022]
Abstract
An organoid is a complex, multi-cell three-dimensional (3D) structure that contains tissue-specific cells. Epithelial stem cells, which are marked by leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5), have the potential for self-renewal and expansion as organoids. However, in the case of intestinal organoids from Lgr5-EGFP-IRES-CreERT2 transgenic mice, in vitro expansion of the Lgr5 expression is limited in a culture condition supplemented with essential proteins, such as epidermal growth factor (E), noggin (N), and R-spondin 1 (R). In this study, we hypothesized that self-renewal of Lgr5+ stem cells in a 3D culture system can be stimulated by defined compounds (CHIR99021, Valproic acid, Y-27632, and A83-01). Our results demonstrated that dissociated single cells from organoids were organized into a 3D structure in the four compounds containing the ENR culture medium in a 3D and two-dimensional (2D) culture system. Moreover, the Lgr5 expression level of organoids from the ENR- and compound-containing media increased. Furthermore, the conversion of cultured Lgr5+ stem cells from 2D to 3D was confirmed. Therefore, defined compounds promote the expansion of Lgr5+ stem cells in organoids.
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Affiliation(s)
- Soojung Hahn
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - Mi Sun Kim
- Department of Radiation Oncology, Bundang CHA Medical Center, South Korea
| | - Seon Young Choi
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - Sukin Jeong
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - JooHyun Jee
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - Han Kyung Kim
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - Sang Yun Jeong
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea
| | - Hyunsoo Shin
- Department of Radiation Oncology, Bundang CHA Medical Center, South Korea
| | - Hyoung Sun Kim
- Pancreatobiliary Cancer Clinic, Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, South Korea
| | - Joon Seong Park
- Pancreatobiliary Cancer Clinic, Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, South Korea; Department of Surgery, Gangnam Severance Hospital, South Korea
| | - Jongman Yoo
- Department of Microbiology and CHA Organoid Research Center, School of Medicine, CHA University, South Korea.
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12
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Testa U, Pelosi E, Castelli G. Colorectal cancer: genetic abnormalities, tumor progression, tumor heterogeneity, clonal evolution and tumor-initiating cells. Med Sci (Basel) 2018; 6:E31. [PMID: 29652830 PMCID: PMC6024750 DOI: 10.3390/medsci6020031] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 03/24/2018] [Accepted: 04/03/2018] [Indexed: 02/08/2023] Open
Abstract
Colon cancer is the third most common cancer worldwide. Most colorectal cancer occurrences are sporadic, not related to genetic predisposition or family history; however, 20-30% of patients with colorectal cancer have a family history of colorectal cancer and 5% of these tumors arise in the setting of a Mendelian inheritance syndrome. In many patients, the development of a colorectal cancer is preceded by a benign neoplastic lesion: either an adenomatous polyp or a serrated polyp. Studies carried out in the last years have characterized the main molecular alterations occurring in colorectal cancers, showing that the tumor of each patient displays from two to eight driver mutations. The ensemble of molecular studies, including gene expression studies, has led to two proposed classifications of colorectal cancers, with the identification of four/five non-overlapping groups. The homeostasis of the rapidly renewing intestinal epithelium is ensured by few stem cells present at the level of the base of intestinal crypts. Various experimental evidence suggests that colorectal cancers may derive from the malignant transformation of intestinal stem cells or of intestinal cells that acquire stem cell properties following malignant transformation. Colon cancer stem cells seem to be involved in tumor chemoresistance, radioresistance and relapse.
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Affiliation(s)
- Ugo Testa
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Elvira Pelosi
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Germana Castelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
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13
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Holmberg FE, Seidelin JB, Yin X, Mead BE, Tong Z, Li Y, Karp JM, Nielsen OH. Culturing human intestinal stem cells for regenerative applications in the treatment of inflammatory bowel disease. EMBO Mol Med 2017; 9:558-570. [PMID: 28283650 PMCID: PMC5412884 DOI: 10.15252/emmm.201607260] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Both the incidence and prevalence of inflammatory bowel disease (IBD) is increasing globally; in the industrialized world up to 0.5% of the population are affected and around 4.2 million individuals suffer from IBD in Europe and North America combined. Successful engraftment in experimental colitis models suggests that intestinal stem cell transplantation could constitute a novel treatment strategy to re-establish mucosal barrier function in patients with severe disease. Intestinal stem cells can be grown in vitro in organoid structures, though only a fraction of the cells contained are stem cells with regenerative capabilities. Hence, techniques to enrich stem cell populations are being pursued through the development of multiple two-dimensional and three-dimensional culture protocols, as well as co-culture techniques and multiple growth medium compositions. Moreover, research in support matrices allowing for efficient clinical application is in progress. In vitro culture is accomplished by modulating the signaling pathways fundamental for the stem cell niche with a suitable culture matrix to provide additional contact-dependent stimuli and structural support. The aim of this review was to discuss medium compositions and support matrices for optimal intestinal stem cell culture, as well as potential modifications to advance clinical use in IBD.
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Affiliation(s)
- Fredrik Eo Holmberg
- Department of Gastroenterology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
| | - Jakob B Seidelin
- Department of Gastroenterology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
| | - Xiaolei Yin
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, USA.,Harvard - MIT Division of Health Sciences and Technology, Cambridge, MA, USA.,David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Benjamin E Mead
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, USA.,Harvard - MIT Division of Health Sciences and Technology, Cambridge, MA, USA.,David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA.,Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Zhixiang Tong
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, USA.,Harvard - MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Yuan Li
- Department of Gastroenterology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
| | - Jeffrey M Karp
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Cambridge, MA, USA .,Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, USA.,Harvard - MIT Division of Health Sciences and Technology, Cambridge, MA, USA.,David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA.,Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Ole H Nielsen
- Department of Gastroenterology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
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14
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15
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Abstract
The appearance of the first animal species on earth coincides with the emergence of transforming growth factor β (TGFβ) pathways. The evolution of these animals into more complex organisms coincides with a progressively increased TGFβ repertoire through gene duplications and divergence, making secreted TGFβ molecules the largest family of morphogenetic proteins in humans. It is therefore not surprising that TGFβ pathways govern numerous aspects of human biology from early embryonic development to regeneration, hematopoiesis, neurogenesis, and immunity. Such heavy reliance on these pathways is reflected in the susceptibility to minor perturbations in pathway components that can lead to dysregulated signaling and a diverse range of human pathologies such as cancer, fibrosis, and developmental disorders. Attempts to comprehensively resolve these signaling cascades are complicated by the long-recognized paradoxical role the pathway plays in cell biology. Recently, several groups have probed examples of the disparate aspects of TGFβ biology in a variety of animal models and uncovered novel context-dependent regulatory mechanisms. Here, we briefly review recent advancements and discuss their overall impact in directing future TGFβ research.
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Affiliation(s)
- Arshad Ayyaz
- Center for Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
| | - Liliana Attisano
- Department of Biochemistry and Donnelly Centre, University of Toronto, Toronto, ON, Canada
| | - Jeffrey L Wrana
- Center for Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
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16
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Aponte PM, Caicedo A. Stemness in Cancer: Stem Cells, Cancer Stem Cells, and Their Microenvironment. Stem Cells Int 2017; 2017:5619472. [PMID: 28473858 PMCID: PMC5394399 DOI: 10.1155/2017/5619472] [Citation(s) in RCA: 217] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/31/2017] [Accepted: 02/19/2017] [Indexed: 02/06/2023] Open
Abstract
Stemness combines the ability of a cell to perpetuate its lineage, to give rise to differentiated cells, and to interact with its environment to maintain a balance between quiescence, proliferation, and regeneration. While adult Stem Cells display these properties when participating in tissue homeostasis, Cancer Stem Cells (CSCs) behave as their malignant equivalents. CSCs display stemness in various circumstances, including the sustaining of cancer progression, and the interaction with their environment in search for key survival factors. As a result, CSCs can recurrently persist after therapy. In order to understand how the concept of stemness applies to cancer, this review will explore properties shared between normal and malignant Stem Cells. First, we provide an overview of properties of normal adult Stem Cells. We thereafter elaborate on how these features operate in CSCs. We then review the organization of microenvironment components, which enables CSCs hosting. We subsequently discuss Mesenchymal Stem/Stromal Cells (MSCs), which, although their stemness properties are limited, represent essential components of the Stem Cell niche and tumor microenvironment. We next provide insights of the therapeutic strategies targeting Stem Cell properties in tumors and the use of state-of-the-art techniques in future research. Increasing our knowledge of the CSCs microenvironment is key to identifying new therapeutic solutions.
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Affiliation(s)
- Pedro M. Aponte
- Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito (USFQ), 170901 Quito, Ecuador
- Colegio de Ciencias de la Salud, Escuela de Medicina Veterinaria, Universidad San Francisco de Quito (USFQ), 170901 Quito, Ecuador
- Mito-Act Research Consortium, Quito, Ecuador
| | - Andrés Caicedo
- Mito-Act Research Consortium, Quito, Ecuador
- Colegio de Ciencias de la Salud, Escuela de Medicina, Universidad San Francisco de Quito (USFQ), 170901 Quito, Ecuador
- Colegio de Ciencias Biológicas y Ambientales, Instituto de Microbiología, Universidad San Francisco de Quito (USFQ), 170901 Quito, Ecuador
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