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Zanrè E, Dalla Valle E, D’Angelo E, Sensi F, Agostini M, Cimetta E. Recent Advancements in Hydrogel Biomedical Research in Italy. Gels 2024; 10:248. [PMID: 38667667 PMCID: PMC11048829 DOI: 10.3390/gels10040248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/24/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Hydrogels have emerged as versatile biomaterials with remarkable applications in biomedicine and tissue engineering. Here, we present an overview of recent and ongoing research in Italy, focusing on extracellular matrix-derived, natural, and synthetic hydrogels specifically applied to biomedicine and tissue engineering. The analyzed studies highlight the versatile nature and wide range of applicability of hydrogel-based studies. Attention is also given to the integration of hydrogels within bioreactor systems, specialized devices used in biological studies to culture cells under controlled conditions, enhancing their potential for regenerative medicine, drug discovery, and drug delivery. Despite the abundance of literature on this subject, a comprehensive overview of Italian contributions to the field of hydrogels-based biomedical research is still missing and is thus our focus for this review. Consolidating a diverse range of studies, the Italian scientific community presents a complete landscape for hydrogel use, shaping the future directions of biomaterials research. This review aspires to serve as a guide and map for Italian researchers interested in the development and use of hydrogels in biomedicine.
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Affiliation(s)
- Eleonora Zanrè
- Department of Industrial Engineering (DII), University of Padova, 35131 Padova, Italy; (E.Z.); (E.D.V.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
| | - Eva Dalla Valle
- Department of Industrial Engineering (DII), University of Padova, 35131 Padova, Italy; (E.Z.); (E.D.V.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
| | - Edoardo D’Angelo
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
- General Surgery 3, Department of Surgery, Oncology and Gastroenterology, University of Padova, 35122 Padova, Italy
| | - Francesca Sensi
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
| | - Marco Agostini
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
- General Surgery 3, Department of Surgery, Oncology and Gastroenterology, University of Padova, 35122 Padova, Italy
| | - Elisa Cimetta
- Department of Industrial Engineering (DII), University of Padova, 35131 Padova, Italy; (E.Z.); (E.D.V.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza (IRP), 35127 Padova, Italy; (E.D.); (F.S.); (M.A.)
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Biel C, Faber KN, Bank RA, Olinga P. Matrix metalloproteinases in intestinal fibrosis. J Crohns Colitis 2024; 18:462-478. [PMID: 37878770 PMCID: PMC10906956 DOI: 10.1093/ecco-jcc/jjad178] [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: 02/20/2023] [Revised: 10/03/2023] [Accepted: 10/24/2023] [Indexed: 10/27/2023]
Abstract
Intestinal fibrosis is a common complication in patients with inflammatory bowel disease [IBD], in particular Crohn's disease [CD]. Unfortunately, at present intestinal fibrosis is not yet preventable, and cannot be treated by interventions other than surgical removal. Intestinal fibrosis is characterized by excessive accumulation of extracellular matrix [ECM], which is caused by activated fibroblasts and smooth muscle cells. Accumulation of ECM results from an imbalanced production and degradation of ECM. ECM degradation is mainly performed by matrix metalloproteinases [MMPs], enzymes that are counteracted by tissue inhibitors of MMPs [TIMPs]. In IBD patients, MMP activity [together with other protease activities] is increased. At the same time, CD patients have a generally lower MMP activity compared to ulcerative colitis patients, who usually do not develop intestinal strictures or fibrosis. The exact regulation and role[s] of these MMPs in fibrosis are far from understood. Here, we review the current literature about ECM remodelling by MMPs in intestinal fibrosis and their potential role as biomarkers for disease progression or druggable targets.
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Affiliation(s)
- Carin Biel
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, the Netherlands
| | - Klaas Nico Faber
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, Groningen, The Netherlands
| | - Ruud A Bank
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Peter Olinga
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, the Netherlands
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Ren T, Jia H, Wu Q, Zhang Y, Ma Q, Yao D, Gao X, Xie D, Xu Z, Zhao Q, Zhang Y. Inhibition of Angiogenesis and Extracellular Matrix Remodeling: Synergistic Effect of Renin-Angiotensin System Inhibitors and Bevacizumab. Front Oncol 2022; 12:829059. [PMID: 35847929 PMCID: PMC9283643 DOI: 10.3389/fonc.2022.829059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/14/2022] [Indexed: 11/13/2022] Open
Abstract
Bevacizumab (Bev) is a humanized vascular endothelial growth factor monoclonal antibody that is used with chemotherapeutic drugs for the treatment of metastatic colorectal cancer (mCRC). Bev-induced hypertension (HT) is the most common adverse reaction during clinical practice. However, at present, appropriate antihypertensive agents for Bev-induced HT are unavailable. In this study, retrospective analysis of clinical data from mCRC patients who received renin-angiotensin system inhibitors (RASIs) showed significant survival benefits of overall survival (OS) and progression-free survival (PFS) over patients who received calcium channel blockers (CCBs) and patients who received no antihypertensive drug (NO: Y2020046 retrospectively registered). An experiment of HCT116 colon cancer cell xenografts in mice confirmed that combined treatment of Bev and lisinopril (Lis), a RASI, synergistically inhibited subcutaneous tumor growth and enhanced the concentration of 5-fluorouracil (5-Fu) in tumor tissues. Our results showed that the addition of Lis did not interfere with the vascular normalization effect promoted by Bev, but also inhibited collagen and hyaluronic acid (HA) deposition and significantly downregulated the expression of TGF-β1 and downstream SMAD signaling components which were enhanced by Bev, ultimately remodeling primary extracellular matrix components. In conclusion, RASIs and Bev have synergistic effect in the treatment of colorectal cancer and RASIs might be an optimal choice for the treatment of Bev-induced HT.
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Affiliation(s)
- Tianshu Ren
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang, China
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Hui Jia
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Qiong Wu
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Yan Zhang
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Qun Ma
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Dong Yao
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Xudong Gao
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Danni Xie
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Zihua Xu
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
| | - Qingchun Zhao
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang, China
- Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang, China
- *Correspondence: Qingchun Zhao, ; Yingshi Zhang,
| | - Yingshi Zhang
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang, China
- *Correspondence: Qingchun Zhao, ; Yingshi Zhang,
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Castro F, Leite Pereira C, Helena Macedo M, Almeida A, José Silveira M, Dias S, Patrícia Cardoso A, José Oliveira M, Sarmento B. Advances on colorectal cancer 3D models: The needed translational technology for nanomedicine screening. Adv Drug Deliv Rev 2021; 175:113824. [PMID: 34090966 DOI: 10.1016/j.addr.2021.06.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/23/2021] [Accepted: 06/01/2021] [Indexed: 02/08/2023]
Abstract
Colorectal cancer (CRC) is a heterogeneous and molecularly complex disease, associated with high mortality worldwide, exposing the urgent need for novel therapeutic approaches. Their development and translation to the clinic have been hampered, partially due to the absence of reliable cellular models that resemble key features of the human disease. While traditional 2D models are not able to provide consistent and predictive responses about the in vivo efficiency of the formulation, animal models frequently fail to recapitulate cancer progression and to reproduce adverse effects. On its turn, multicellular 3D systems, by mimicking key genetic, physical and mechanical cues of the tumor microenvironment, constitute a promising tool in cancer research. In addition, they constitute more physiological and relevant environment for anticancer drugs screening and for predicting patient's response towards personalized approaches, bridging the gap between simplified 2D models and unrepresentative animal models. In this review, we provide an overview of CRC 3D models for translational research, with focus on their potential for nanomedicines screening.
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Nagai K, Hayashi Y, Honma K, Sakatani A, Yoshii S, Fujinaga T, Maekawa A, Tsujii Y, Hiyama S, Shinzaki S, Watabe K, Iijima H, Tsujii M, Mizushima T, Morii E, Takehara T. Adenoma of colorectal laterally spreading tumor nongranular type with biological phenotypic features similar to cancer. J Gastroenterol Hepatol 2018; 33:1853-1863. [PMID: 29767452 DOI: 10.1111/jgh.14284] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 04/03/2018] [Accepted: 04/27/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIM Colorectal laterally spreading tumors (LSTs) are morphologically subdivided into granular (LST-G) and nongranular (LST-NG) categories. We aimed to elucidate the differences in oncogenic characteristics between the two types. METHODS Laterally spreading tumors resected by endoscopic submucosal dissection and surgery from March 2009 to May 2017 were examined for p53 positivity, Ki-67 labeling index (LI), microvessel density, degree of fibrosis, intensities of inducible nitric oxide synthase (iNOS) and nitrotyrosine (NT), and expression of acid mucins. We compared these factors between adenomas, noninvasive cancers, and invasive cancers, both LST-G and LST-NG. RESULTS Ninety-three LST-G (53 adenomas [LST-GA] and 40 cancers [LST-GC]) and 55 LST-NG (24 adenomas [LST-NGA] and 31 cancers [LST-NGC]) were evaluated. Although p53 positivity was lower in LST-GA than in LST-NGA (P < 0.001), there was no difference between LST-GC and LST-NGC. Ki-67 LI was higher in LST-NGA than in LST-GA (P < 0.001) and higher in LST-NGC than in LST-GC of noninvasive cancers (P < 0.001). Microvessel density and degree of fibrosis were higher in LST-NGA than in LST-GA (P < 0.001), and intensities of iNOS and NT were also higher in LST-NGA than in LST-GA (P < 0.001). Expression of acid mucins was lower in LST-NGA than in LST-GA (P < 0.001). Although there were significant differences in p53 positivity, Ki-67 LI, microvessel density, degree of fibrosis, intensities of iNOS and NT, and expression of acid mucins between LST-GA and LST-NGA, these factors were only slightly different between LST-GC and LST-NGC of invasive cancers. CONCLUSIONS Unlike LST-GA, LST-NGA possessed phenotypic features similar to cancer.
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Affiliation(s)
- Kengo Nagai
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshito Hayashi
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Keiichiro Honma
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Akihiko Sakatani
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shunsuke Yoshii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tetsuji Fujinaga
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Akira Maekawa
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshiki Tsujii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Satoshi Hiyama
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shinichiro Shinzaki
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kenji Watabe
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hideki Iijima
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Masahiko Tsujii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tsunekazu Mizushima
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiichi Morii
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tetsuo Takehara
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
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Piccoli M, D'Angelo E, Crotti S, Sensi F, Urbani L, Maghin E, Burns A, De Coppi P, Fassan M, Rugge M, Rizzolio F, Giordano A, Pilati P, Mammano E, Pucciarelli S, Agostini M. Decellularized colorectal cancer matrix as bioactive microenvironment for in vitro 3D cancer research. J Cell Physiol 2018; 233:5937-5948. [PMID: 29244195 DOI: 10.1002/jcp.26403] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 12/06/2017] [Indexed: 12/25/2022]
Abstract
Three-dimensional (3D) cancer models are overlooking the scientific landscape with the primary goal of bridging the gaps between two-dimensional (2D) cell lines, animal models and clinical research. Here, we describe an innovative tissue engineering approach applied to colorectal cancer (CRC) starting from decellularized human biopsies in order to generate an organotypic 3D-bioactive model. This in vitro 3D system recapitulates the ultrastructural environment of native tissue as demonstrated by histology, immunohistochemistry, immunofluorescence and scanning electron microscopy analyses. Mass spectrometry of proteome and secretome confirmed a different stromal composition between decellularized healthy mucosa and CRC in terms of structural and secreted proteins. Importantly, we proved that our 3D acellular matrices retained their biological properties: using CAM assay, we observed a decreased angiogenic potential in decellularized CRC compared with healthy tissue, caused by direct effect of DEFA3. We demonstrated that following a 5 days of recellularization with HT-29 cell line, the 3D tumor matrices induced an over-expression of IL-8, a DEFA3-mediated pathway and a mandatory chemokine in cancer growth and proliferation. Given the biological activity maintained by the scaffolds after decellularization, we believe this approach is a powerful tool for future pre-clinical research and screenings.
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Affiliation(s)
- Martina Piccoli
- Stem Cells and Regenerative Medicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy.,Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Edoardo D'Angelo
- Nanoinspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy.,First Surgical Clinic Section, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Sara Crotti
- Nanoinspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Francesca Sensi
- Nanoinspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy.,Department of Woman and Child Health, University of Padua, Padua, Italy
| | - Luca Urbani
- Stem Cells & Regenerative Medicine Section, Developmental Biology & Cancer Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom.,Institute of Hepatology, Foundation for Liver Research, London, United Kingdom
| | - Edoardo Maghin
- Stem Cells and Regenerative Medicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Alan Burns
- Stem Cells & Regenerative Medicine Section, Developmental Biology & Cancer Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom.,Department of Clinical Genetics, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Paolo De Coppi
- Stem Cells & Regenerative Medicine Section, Developmental Biology & Cancer Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Matteo Fassan
- Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, Padua, Italy
| | - Massimo Rugge
- Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, Padua, Italy.,Veneto Tumor Registry, Padua, Italy
| | - Flavio Rizzolio
- Department of Translational Research, Pathology Unit, IRCCS-National Cancer Institute, Aviano, Italy.,Department of Molecular Sciences and Nanosystems at Ca' Foscari University, Venice, Italy
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania
| | | | | | - Salvatore Pucciarelli
- First Surgical Clinic Section, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Marco Agostini
- Nanoinspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy.,First Surgical Clinic Section, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
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Yokota M, Kojima M, Higuchi Y, Nishizawa Y, Kobayashi A, Ito M, Saito N, Ochiai A. Spread of tumor microenvironment contributes to colonic obstruction through subperitoneal fibroblast activation in colon cancer. Cancer Sci 2015; 106:466-74. [PMID: 25613547 PMCID: PMC4409892 DOI: 10.1111/cas.12615] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/03/2015] [Accepted: 01/14/2015] [Indexed: 12/19/2022] Open
Abstract
We evaluated the influence of the cancer microenvironment formed by peritoneal invasion (CMPI) on clinical findings in colon cancer patients. In addition to the association with poor prognosis, we discovered a relationship with bowel obstruction. Detailed analysis revealed that clinical findings related to bowel obstruction occurred more frequently in patients with an elevated type tumor, which had peritoneal elastic laminal elevation to the tumor surface, compared to those with non-elevated type tumors among those with elastic laminal invasion (ELI). Lateral tumor spread and increase of tumor annularity rate in ELI-positive elevated type cases suggested the morphological progression from ELI-positive non-elevated type to elevated type. In addition, α-smooth muscle actin expression was the highest in ELI-positive elevated type, and prominent expressions were found not only in the deep tumor area but also in the shallow tumor area. Furthermore, contraction assays revealed the robust contractile ability of subperitoneal fibroblasts stimulated by cancer cell-conditioned medium. Our findings suggest that CMPI spread into the luminal side of the colonic wall along with tumor progression, which caused bowel obstruction through the activation of subperitoneal fibroblasts. However, although the clinical outcome was not different between the two types, the clinical findings were affected by the spread of CMPI. We are the first to explore how the alteration of the tumor-promoting microenvironment, along with tumor progression, contributes to the development of clinical findings.
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Affiliation(s)
- Mitsuru Yokota
- Division of Colorectal Surgery, Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Department of Surgery, School of Medicine, Keio University, Tokyo, Japan
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Genovese L, Zawada L, Tosoni A, Ferri A, Zerbi P, Allevi R, Nebuloni M, Alfano M. Cellular localization, invasion, and turnover are differently influenced by healthy and tumor-derived extracellular matrix. Tissue Eng Part A 2014; 20:2005-18. [PMID: 24498848 DOI: 10.1089/ten.tea.2013.0588] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The interplay between tumor cells and the microenvironment has been recognized as one of the hallmarks of cancer biology. To assess the role of extracellular matrix (ECM) in the modulation of tissue homeostasis and tumorigenesis, we developed a protocol for the purification of tissue-derived ECM using mucosae from healthy human colon, perilesional area, and colorectal carcinoma (CRC). Matched specimens were collected from the left colon of patients undergoing CRC resection surgery. ECMs were obtained from tissues that were decellularized with hypotonic solutions containing ionic and nonionic detergents, hypertonic solution, and endonuclease in the absence of denaturing agents. Mucosae-derived ECMs maintained distribution and localization of proteins and glycoproteins typical of the original tissues, and showed different three-dimensional (3D) structures among normal versus perilesional and tumor-derived stroma. The three types of ECM differentially regulated the localization and organization of seeded monocytes and cancer cells that were located and organized as in the original tissue. Specifically, healthy, perilesional, and CRC-derived ECMs sustained differentiation and polarization of cancer epithelial cells. In addition, healthy, but not perilesional and CRC-derived ECM constrained invasion of cancer cells. All three ECMs sustained turnover between cell proliferation and death up to 40 days of culture, although each ECM showed different ability in supporting cell proliferation, with tumor>perilesional>healthy-derived ECMs. Healthy-, perilesional- and CRC-derived ECM differently modulated cell homeostasis, spreading in the stroma and turnover between proliferation and death, and equally supported differentiation and polarization of cancer epithelial cells, thus highlighting the contribution of different ECMs modulating some features of tissue homeostasis and tumorigenesis. Moreover, these ECMs provide competent scaffolds useful to assess efficacy of antitumor drugs in a 3D setting that more closely recapitulates the native microenvironment. Further, ECM-based scaffolds may also be beneficial for future studies seeking prognostic and diagnostic stromal markers and targets for antineoplastic drugs.
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Affiliation(s)
- Luca Genovese
- 1 School of Medicine, Vita-Salute San Raffaele University , Milan, Italy
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Computer-aided diagnosis of neoplastic colorectal lesions using 'real-time' numerical color analysis during autofluorescence endoscopy. Eur J Gastroenterol Hepatol 2013; 25:488-94. [PMID: 23249604 DOI: 10.1097/meg.0b013e32835c6d9a] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Differentiating non-neoplastic colorectal lesions from neoplastic lesions during screening colonoscopies is essential to reduce the unnecessary treatment of non-neoplastic lesions. The present study was conducted to verify the diagnostic yields of the computer-aided diagnostic system that enables 'real-time' color analysis of colorectal lesions when applied to autofluorescence endoscopy (AFE). PATIENTS AND METHODS Consecutive patients who were scheduled to undergo a therapeutic colonoscopy in our department were enrolled in this study. The encountered lesions were evaluated in AFE and color-tone sampling was performed. Lesions with green/red (G/R) ratios less than 1.01 were judged to be neoplastic and those with G/R ratios of at least 1.01 were considered to be non-neoplastic. All lesions greater than 5 mm were endoscopically removed and lesions less than 5 mm were biopsied. RESULTS During the study period, a total of 32 patients with 102 colorectal lesions were evaluated with AFE. The mean G/R ratio for all neoplastic lesions was 0.86 [95% confidence interval (CI), 0.63-1.01], which was significantly lower than the mean G/R ratio for non-neoplastic lesions (1.12; 95% CI, 0.98-1.26; P<0.001). The mean G/R ratios were 1.36 (95% CI, 1.21-1.57) in normal mucosa, 1.12 (95% CI, 0.98-1.26) in hyperplastic lesions, 0.88 (95% CI, 0.69-1.02) in adenomas, and 0.61 (95% CI, 0.54-0.73) in intramucosal cancers. A G/R ratio cutoff value of 1.01 was applied for discriminating between neoplastic lesions and non-neoplastic lesions, and yielded sensitivity, specificity, positive and negative predictive values of 94.2, 88.9, 95.6, and 85.2%, respectively. CONCLUSION This diagnostic tool may lead to the reduction of unnecessary treatments for non-neoplastic lesions.
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Lin XD, Chen SQ, Qi YL, Zhu JW, Tang Y, Lin JY. Overexpression of thrombospondin-1 in stromal myofibroblasts is associated with tumor growth and nodal metastasis in gastric carcinoma. J Surg Oncol 2012; 106:94-100. [DOI: 10.1002/jso.23037] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Accepted: 12/18/2011] [Indexed: 12/23/2022]
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Coulson-Thomas VJ, Coulson-Thomas YM, Gesteira TF, de Paula CAA, Mader AM, Waisberg J, Pinhal MA, Friedl A, Toma L, Nader HB. Colorectal cancer desmoplastic reaction up-regulates collagen synthesis and restricts cancer cell invasion. Cell Tissue Res 2011; 346:223-36. [DOI: 10.1007/s00441-011-1254-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2011] [Accepted: 09/15/2011] [Indexed: 11/25/2022]
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12
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Yen TH, Chen Y, Fu JF, Weng CH, Tian YC, Hung CC, Lin JL, Yang CW. Proliferation of myofibroblasts in the stroma of renal oncocytoma. Cell Prolif 2010; 43:287-96. [PMID: 20412129 DOI: 10.1111/j.1365-2184.2010.00681.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
OBJECTIVES Myofibroblasts are a vital component of stroma of many malignant neoplasms, but it is not yet established whether stromal myofibroblasts also exist in benign tumours such as oncocytoma of the kidney. MATERIALS AND METHODS Histomorphological and immunohistochemical analysis of 16 renal oncocytomas diagnosed at Chang Gung Memorial Hospital, Taiwan, has been performed. RESULTS Renal oncocytomas were composed of oncocytes, large cells with granular eosinophilic cytoplasm, arranged mostly in sheets, in tubulocystic or combined pattern. Few oncocytes appeared to be undergoing proliferation or apoptosis. MIB-1 and active caspase 3 indices were low, but higher in tumour than in surrounding non-tumour parenchyma (MIB-1: 0.93 +/- 0.09 versus 0.46 +/- 0.07, P < 0.001 and active caspase 3: 0.76 +/- 0.08 versus 0.41 +/- 0.09, P < 0.001). Wnt/beta-catenin signalling was not implicated in this neoplasm, as there was no loss of E-cadherin membranous localization or expression of intranuclear beta-catenin in the cells. Clumps of oncocytes were stained with periodic acid Schiff and had collagen I-, collagen III- and fibronectin-positive, but desmin- and human caldesmon-negative stromas. Importantly, alpha-smooth muscle actin (SMA)-immunostaining established the myofibroblastic nature of many of the stromal cells. Some of the myofibroblasts were also positive for MIB-1, indicating a proliferative role for them in the stroma. CONCLUSIONS Renal oncocytomas were composed of two independent compartments: benign oncocytes and pronounced fibrotic stroma, which consisted of proliferating myofibroblasts (SMA- and MIB-1-positive) which were associated with excessive deposition of extracellular matrix (periodic acid Schiff-component, collagen I-, collagen III- and fibronectin-positive, and desmin- and human caldesmon-negative).
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Affiliation(s)
- T-H Yen
- Departments of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan.
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13
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Aihara H, Sumiyama K, Saito S, Tajiri H, Ikegami M. Numerical analysis of the autofluorescence intensity of neoplastic and non-neoplastic colorectal lesions by using a novel videoendoscopy system. Gastrointest Endosc 2009; 69:726-33. [PMID: 19251018 DOI: 10.1016/j.gie.2008.10.044] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2008] [Accepted: 10/21/2008] [Indexed: 02/08/2023]
Abstract
BACKGROUND Autofluorescence endoscopy (AFE) may improve detection and diagnosis of colorectal lesions. Recently, AFE based on a high-resolution video endoscope was developed. OBJECTIVE A novel high-resolution video AFE system was used to quantify autofluorescence of colorectal lesions to determine the characteristics of non-neoplastic and neoplastic lesions. DESIGN Retrospective observational study. SETTING Single-center referral hospital. PATIENTS Ninety-seven patients with 103 colorectal lesions (22 non-neoplastic and 81 neoplastic lesions) who underwent AFE and were treated by using endoscopy or by surgery. INTERVENTION Recorded digital AFE images were analyzed to quantify autofluorescence. The following autofluorescence indexes were calculated: the green/red (G/R) ratio for each lesion, the color-contrast index between each lesion, and the corresponding normal region. MAIN OUTCOME MEASUREMENTS The G:R ratio, color-contrast index, and histopathologic characteristics for each colorectal lesion. RESULTS The mean G/R ratio was significantly higher in non-neoplastic lesions (1.17 [95% CI, 1.10-1.24], n = 22) than in neoplastic lesions (0.65 [95% CI, 0.63-0.68], n = 81) (P < .001). Mean color-contrast indexes were significantly lower in non-neoplastic lesions (7.99 [95% CI, 6.40-9.58], n = 22) than neoplastic lesions (35.06 [95% CI, 32.79-37.33], n = 81; P < .001). With a cutoff value of 1.01 for the G/R ratio and 13.94 for color-contrast index, AFE had a sensitivity and specificity of 98.8% and 86.4% respectively, for G/R ratio, and 98.8% and 90.9%, respectively, for color contrast index, in differentiating neoplastic from non-neoplastic colorectal lesions. LIMITATIONS Retrospective design. CONCLUSIONS The quantification of digital AFE images obtained from the novel high-resolution videoendoscopy system revealed that autofluorescence was significantly different between non-neoplastic and neoplastic lesions, and color tone in AFE may represent the histopathologic characteristics of the lesion.
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Affiliation(s)
- Hiroyuki Aihara
- Department of Endoscopy, The Jikei University School of Medicine, Minato-ku, Tokyo, Japan
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14
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Chiu J, Xu BY, Chen S, Feng B, Chakrabarti S. Oxidative stress-induced, poly(ADP-ribose) polymerase-dependent upregulation of ET-1 expression in chronic diabetic complications. Can J Physiol Pharmacol 2008; 86:365-72. [PMID: 18516100 DOI: 10.1139/y08-033] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hyperglycemia in diabetes induces increased endothelin-1 (ET-1) production in the retina, kidney, and heart that may lead to hemodynamic impairment, permeability alteration, and increased extracellular matrix (ECM) protein production. Chronically elevated blood glucose levels may cause oxidative stress in these target tissues of diabetic complications. Poly(ADP-ribose) polymerase (PARP) is a nuclear enzyme activated by DNA strand breaks due to oxidative stress. We investigated the role of PARP in regulating ET-1 expression and ET-1-induced abnormalities in the targets organs of diabetic complications. Male Sprague-Dawley rats were injected with streptozotocin to induce diabetes. Once diabetes was established, half of the diabetic rats were randomly chosen to receive PARP inhibitor 3-aminobenzamide for 4 months. In a second set of experiments, PARP-/- mice and their controls were fed for 2 months with either a normal rodent diet or a 30% galactose diet to induce a normoinsulinemic hyperhexosemic state. Tissues harvested at the conclusion of both experiments were then subjected to real-time RT-PCR analysis for mRNA expression and immunohistochemical assessment of oxidative stress. In both experiments, the hyperhexosemic state upregulated expression of ET-1 mRNA in the retina, kidney, and heart. Furthermore, upregulation of ET-1-dependent ECM transcripts, such as fibronectin and extradomain B-containing fibronectin, was noted in all tissues. These tissues also demonstrated oxidative stress, as evidenced by the presence of nuclei positive for 8-hydroxy-2'-deoxyguanosine. In contrast, inhibition of PARP, either through a chemical means in the diabetic rats or by genetic manipulation in the galactose-fed animals, prevented both oxidative stress and hyperhexosemia-induced upregulation of these genes. These results suggest that, in diabetes, oxidative stress and PARP activation may produce their effects through ET-1. Hence, blockade of such pathways may constitute potential adjuvant treatment modalities in chronic diabetic complications.
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Affiliation(s)
- Jane Chiu
- Department of Pathology, 4033 Dental Sciences Building, University of Western Ontario, 1151 Richmond Street North, London, ON N6A5C1, Canada
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15
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de Araújo VC, Furuse C, Cury PR, Altemani A, Alves VAF, de Araújo NS. Desmoplasia in different degrees of invasion of carcinoma ex-pleomorphic adenoma. Head Neck Pathol 2007; 1:112-7. [PMID: 20614261 PMCID: PMC2807519 DOI: 10.1007/s12105-007-0028-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2007] [Accepted: 08/08/2007] [Indexed: 01/07/2023]
Abstract
Stroma desmoplasia was studied by immunohistochemistry for alpha-smooth muscle actin (alpha-SMA) in 17 instances of carcinoma ex-pleomorphic adenoma (CXPA) classified according to the presence of epithelial and myoepithelial cells and the degree of invasion: intracapsular, minimally and frankly invasive carcinoma. In "resident" pleomorphic adenoma, no desmoplasia was detected. In invasive areas of the intracapsular type of CXPA with only an epithelial component, desmoplasia started to be revealed by the presence of myofibroblasts close to the capsule. In the minimally invasive type, myofibroblasts were seen in the septum between islands of malignant cells and in focal peripheral areas of the tumor interpreted as the actual front of invasion. In the frankly invasive type of CXPA showing large blocks of cells, intense desmoplasia was seen, also separating the tumor cells from the neighboring normal tissue. In tumors with cords and/or small nests of cells, desmoplasia was very slight. In the invasive type of CXPA with a myoepithelial component, alpha-SMA expression was seen in the septum between the islands of cells. The expression was less intense and not present in all areas of the stroma. In CXPA with epithelial and myoepithelial cells, myofibroblasts were rarely seen in the septum separating sheets of cells. Thus, we may deduce that the presence of desmoplasia parallels the capacity of invasion of CXPA by epithelial cells, being minimum in the intracapsular and minimally invasive type of CXPA and increasing as the tumor becomes frankly invasive. Furthermore, we may also conclude that in CXPA with a myoepithelial component, desmoplasia is very rare.
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Affiliation(s)
- Vera Cavalcanti de Araújo
- Department of Oral Pathology, São Leopoldo Mandic Dental Research Center, Campinas, SP Brazil ,Rua Vicente Leporace, 1220 apto 91, Campo Belo, SP CEP: 04619-033 Brazil
| | - Cristiane Furuse
- Department of Oral Pathology, São Leopoldo Mandic Dental Research Center, Campinas, SP Brazil
| | - Patricia Ramos Cury
- Department of Microbiology and Immunology, São Leopoldo Mandic Dental Research Center, Campinas, SP Brazil
| | - Albina Altemani
- Department of Pathology, School of Medicine, State University of Campinas, Campinas, SP Brazil
| | | | - Ney Soares de Araújo
- Department of Oral Pathology, School of Dentistry, University of São Paulo, Sao Paulo, SP Brazil
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16
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Granot D, Kunz-Schughart LA, Neeman M. Labeling fibroblasts with biotin-BSA-GdDTPA-FAM for tracking of tumor-associated stroma by fluorescence and MR imaging. Magn Reson Med 2006; 54:789-97. [PMID: 16149062 PMCID: PMC1382177 DOI: 10.1002/mrm.20628] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Fibroblasts at the tumor-host interface can differentiate into myofibroblasts and pericytes, and contribute to the guidance and stabilization of endothelial sprouts. After intravenous administration of biotin-BSA-GdDTPA-FAM in mice with subcutaneous MLS human ovarian carcinoma tumors, the distribution of the macromolecular MRI/optical contrast material was confined to blood vessels in normal tissues, while it co-registered with alphaSMA-positive stroma tracks within the tumor. These alphaSMA-positive tumor-associated myofibroblasts and pericytes showed uptake of the contrast material into intracellular granules. We evaluated the use of this contrast material for in vitro labeling of tumor fibroblasts as an approach for tracking their involvement in angiogenesis. Fluorescence microscopy demonstrated internalization of the contrast material, and MRI revealed a significant increase in the R(1) relaxation rate of labeled fibroblasts. R(1) not only remained elevated for 2 weeks in culture, it also increased with cell proliferation, indicating prolonged retention of the contrast material and subsequent intracellular processing and redistribution of the material, and thereby enhancing MR contrast. Moreover, cells that were labeled ex vivo with MR contrast material and co-inoculated with tumor cells in mice were detected in vivo by MRI. Uptake of the contrast material was suppressed by nystatin, suggesting internalization by caveolae-mediated endocytosis. This study shows that labeling of fibroblasts with biotin-BSA-GdDTPA-FAM is feasible and would allow noninvasive in vivo tracking of fibroblasts during tumor angiogenesis and vessel maturation.
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Affiliation(s)
- D. Granot
- Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100, Israel and
| | | | - M. Neeman
- Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100, Israel and
- Corresponding author: Michal Neeman, Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100 Israel. Tel/fax: 972-8-9342487;
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17
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Galiè M, Sorrentino C, Montani M, Micossi L, Di Carlo E, D'Antuono T, Calderan L, Marzola P, Benati D, Merigo F, Orlando F, Smorlesi A, Marchini C, Amici A, Sbarbati A. Mammary carcinoma provides highly tumourigenic and invasive reactive stromal cells. Carcinogenesis 2005; 26:1868-78. [PMID: 15975963 DOI: 10.1093/carcin/bgi158] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The progression of a lesion to a carcinoma is dependent on the engagement of 'reactive stroma' that provides structural and vascular support for tumour growth and also leads to tissue reorganization and invasiveness. The composition of reactive stroma closely resembles that of granulation tissue, and myofibroblasts are thought to play a critical role in driving the stromal reaction of invasive tumours as well as of physiological wound repair. In the present work, we established a myofibroblast-like cell line, named A17, from a mouse mammary carcinoma model in which tumourigenesis is triggered in a single step by the overexpression of HER-2/neu transgene in the epithelial compartment of mammary glands. We showed that although they derived from a tumour of epithelial origin and did not express HER-2/neu transgene, their subcutaneous injection into the backs of syngeneic mice gave rise to sarcomatoid tumours which expressed alpha-smooth muscle actin at the invasive edge. The expression of cytokeratin 14 suggested a myoepithelial origin but immunophenotypical profile, invasive and neoangiogenic potential of A17 cells and tumours showed many similarities with the reactive stroma that occurs in wound repair and in cancerogenesis. Our results suggest that epithelial tumours have the potential to develop highly tumourigenic and invasive reactive stromal cells and our cell line represents a novel, effective model for studying epithelial-stromal interaction and the role of myofibroblasts in tumour development.
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Affiliation(s)
- Mirco Galiè
- Department of Morphological and Biomedical Sciences, Section Anatomy and Histology, University of Verona, Verona, Italy.
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18
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Köbel M, Weichert W, Crüwell K, Schmitt WD, Lautenschläger C, Hauptmann S. Epithelial hyaluronic acid and CD44v6 are mutually involved in invasion of colorectal adenocarcinomas and linked to patient prognosis. Virchows Arch 2004; 445:456-64. [PMID: 15375658 DOI: 10.1007/s00428-004-1095-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2004] [Accepted: 07/07/2004] [Indexed: 10/26/2022]
Abstract
Desmoplastic stroma of colorectal adenocarcinomas contains a variety of extracellular matrix molecules, including hyaluronic acid (HA). Overexpression of the HA receptor CD44 and, in particular, its splicing variant CD44v6 has been described as a prognostic factor for patients with colorectal adenocarcinomas in some studies, but converse reports also exist. Our hypothesis is that these divergent results may be related to the fact that the function of CD44v6 depends on the HA content of cell-surrounding matrix. Therefore, we studied the expression of HA and CD44v6 in tissue samples of 145 patients suffering from colorectal adenocarcinomas using immunohistochemistry. Expression of HA was separately evaluated in tumor epithelium and stroma. We additionally examined the influence of HA on invasion and adhesion of colorectal adenocarcinoma cells in vitro. The results show that epithelial HA expression was not correlated with tumor stage but with lymph-node or distant metastasis. Patients with tumors expressing epithelial HA had a decreased overall survival ( P=0.017) as well as tumors with coexpression of epithelial HA and CD44v6 ( P=0.011). The latter issue remained an independent prognostic factor in multivariate analysis (relative risk 5.06; 95% confidence interval, 1.18-21.57; P=0.028). HA exclusively stimulated in vitro invasion of CD44v6-expressing cells. This stimulation was partly reversed by an anti-CD44v6 antibody. Our findings suggest that the adverse prognostic effect of CD44v6 in colorectal adenocarcinoma might be restricted to those tumors that have pericellular HA.
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Affiliation(s)
- Martin Köbel
- Institute of Pathology, Martin-Luther-University Halle-Wittenberg, Magdeburger Strasse 14, 06097 Halle, Germany.
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19
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De Wever O, Nguyen QD, Van Hoorde L, Bracke M, Bruyneel E, Gespach C, Mareel M. Tenascin-C and SF/HGF produced by myofibroblasts in vitro provide convergent pro-invasive signals to human colon cancer cells through RhoA and Rac. FASEB J 2004; 18:1016-8. [PMID: 15059978 DOI: 10.1096/fj.03-1110fje] [Citation(s) in RCA: 282] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Myofibroblasts are present at the invasion front in colon cancer. In an attempt to understand their putative proinvasive activity, we have developed an in vitro model. Myofibroblasts isolated from colon cancer tissue or obtained through transdifferentiation of colon fibroblasts by transforming growth factor (TGF)-beta stimulate invasion of colon cancer cells into collagen type I and Matrigel. We identified two convergent proinvasive agents secreted by myofibroblasts: namely scatter factor/hepatocyte growth factor (SF/HGF) and the TGF-beta-upregulated extracellular matrix glycoprotein tenascin-C (TNC), each of which is necessary though not sufficient for invasion. Myofibroblast-stimulated invasion into collagen type I is characterized by a change from a round, nonmigratory morphotype with high RhoA and low Rac activity to an elongated, migratory morphotype with low RhoA and high Rac activity. RhoA inactivation is determined by the epidermal growth factor (EGF)-like repeats of TNC through EGF-receptor signaling that confers a permissive and priming signal for the proinvasive activity of SF/HGF that activates Rac via c-Met. We confirmed the validity of this mechanism by using pharmacological modulators and dominant negative or constitutive active mutants that interfere with RhoA-Rho kinase and Rac signaling. Our in vitro results point to a new putative proinvasive signal for colon cancer cells provided by myofibroblasts in the tumor stroma.
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Affiliation(s)
- Olivier De Wever
- Laboratory of Experimental Cancerology, Department of Radiotherapy and Nuclear Medicine, Ghent University Hospital, Gent, Belgium
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20
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Edlund M, Sung SY, Chung LWK. Modulation of prostate cancer growth in bone microenvironments. J Cell Biochem 2004; 91:686-705. [PMID: 14991761 DOI: 10.1002/jcb.10702] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Bone remains one of the major sites, and most lethal host organs, for prostate cancer metastasis. Prostate cell spread and establishment in bone depends on multiple reciprocal modifications of bone stromal and epithelial cancer cell behaviors. This review focuses on recent advances in the characterization of cell-cell and cell-matrix interplay, effects on cell growth, adhesion and invasion, and several therapeutic possibilities for co-targeting prostate cancer cells and bone stroma. We address the topic from three main perspectives: (1) the normal and aging bone stromal environment, (2) the "reactive" bone stromal environment, and (3) the cancerous prostate epithelial cells themselves. First, normal, and especially aging, bones provide uniquely rich and "fertile soil" for roaming cancer cells. The interactions between prostate cancer cells and insoluble extracellular matrices, soluble growth factors, and/or sex steroid hormones trigger bone remodeling, through increased osteoclastogenesis and furthur matrix metalloproteinase activity. Second, after cancer cell arrival and establishment in the bone, host stromal cells respond, becoming "reactive" in a process again involving extracellular matrix remodeling, together with growth factor and steroid receptor signaling this process ultimately enhances cancer cell migration, stromal transdifferentiation, and invasion of the cancer tissues by stromal, inflammatory, and immune-responsive cells. Third, prostate cancer cells also respond to supportive bone microenvironments, where soluble and matrix-associated molecules affect cancer cell growth and gene expression, especially altering cancer cell surface receptor and integrin-mediated cell signaling. We discuss both integrin cell-matrix and gap junctional cell-cell communication between cancer cells and their microenvironments during prostate cancer progression.
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Affiliation(s)
- Magnus Edlund
- Department of Urology, Molecular Urology and Therapeutics Program, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, USA
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21
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Abstract
Maintenance of epithelial tissues needs the stroma. When the epithelium changes, the stroma inevitably follows. In cancer, changes in the stroma drive invasion and metastasis, the hallmarks of malignancy. Stromal changes at the invasion front include the appearance of myofibroblasts, cells sharing characteristics with fibroblasts and smooth muscle cells. The main precursors of myofibroblasts are fibroblasts. The transdifferentiation of fibroblasts into myofibroblasts is modulated by cancer cell-derived cytokines, such as transforming growth factor-beta (TGF-beta). TGF-beta causes cancer progression through paracrine and autocrine effects. Paracrine effects of TGF-beta implicate stimulation of angiogenesis, escape from immunosurveillance and recruitment of myofibroblasts. Autocrine effects of TGF-beta in cancer cells with a functional TGF-beta receptor complex may be caused by a convergence between TGF-beta signalling and beta-catenin or activating Ras mutations. Experimental and clinical observations indicate that myofibroblasts produce pro-invasive signals. Such signals may also be implicated in cancer pain. N-Cadherin and its soluble form act as invasion-promoters. N-Cadherin is expressed in invasive cancer cells and in host cells such as myofibroblasts, neurons, smooth muscle cells, and endothelial cells. N-Cadherin-dependent heterotypic contacts may promote matrix invasion, perineural invasion, muscular invasion, and transendothelial migration; the extracellular, the juxtamembrane and the beta-catenin binding domain of N-cadherin are implicated in positive invasion signalling pathways. A better understanding of stromal contributions to cancer progression will likely increase our awareness of the importance of the combinatorial signals that support and promote growth, dedifferentiation, invasion, and ectopic survival and eventually result in the identification of new therapeutics targeting the stroma.
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Affiliation(s)
- Olivier De Wever
- Laboratory of Experimental Cancerology, Department of Radiotherapy and Nuclear Medicine, Ghent University Hospital, De Pintelaan 185, B-9000 Ghent, Belgium
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22
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Jacobson A, Salnikov A, Lammerts E, Roswall P, Sundberg C, Heldin P, Rubin K, Heldin NE. Hyaluronan content in experimental carcinoma is not correlated to interstitial fluid pressure. Biochem Biophys Res Commun 2003; 305:1017-23. [PMID: 12767932 DOI: 10.1016/s0006-291x(03)00872-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Mechanism(s) for generation of the high tumor interstitial fluid pressure (TIFP) that is characteristic of carcinoma is not known. We investigated the role of hyaluronan, the major water-binding polysaccharide of the extracellular matrix, for the generation of a high TIFP. A human anaplastic thyroid carcinoma (KAT-4) xenografted to athymic mice and a syngeneic rat colon carcinoma (PROb) were used. Neither KAT-4 nor PROb cells produced hyaluronan (HA) in culture, however, both cell lines produced factors that stimulated HA-synthesis by cultured fibroblasts. Modulating hyaluronan levels by transfection of PROb carcinoma cells with hyaluronan synthase-2 revealed no correlation between hyaluronan content and TIFP. Furthermore, lowering of TIFP by treating KAT-4 tumors with a specific inhibitor of TGF-beta 1 and -beta 3 did not change the concentration of hyaluronan in the tumors. In summary, our results suggest that a modulation of hyaluronan content is not a major pathogenetic mechanism for the generation of the characteristically high TIFP in malignant carcinomas.
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Affiliation(s)
- Annica Jacobson
- Department of Medical Biochemistry and Microbiology, Biomedical Center, Box 582, SE-751 23 Uppsala, Sweden
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23
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SABET EMANA, OKAI TAKASHI, MINAMOTO TOSHINARI, MAI MASAYOSHI, SAWABU NORIO. Three‐dimensional endoscopic ultrasonography for the assessment of early gastric carcinoma invasion: could it provide diagnostic innovations? Dig Endosc 2002. [DOI: 10.1046/j.1443-1661.2002.00169.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- EMAN A. SABET
- Department of Internal Medicine and Medical Oncology,
| | - TAKASHI OKAI
- Department of Internal Medicine and Medical Oncology,
| | | | - MASAYOSHI MAI
- Department of Surgical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - NORIO SAWABU
- Department of Internal Medicine and Medical Oncology,
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24
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Dahlman T, Lammerts E, Bergström D, Franzén A, Westermark K, Heldin NE, Rubin K. Collagen type I expression in experimental anaplastic thyroid carcinoma: regulation and relevance for tumorigenicity. Int J Cancer 2002; 98:186-92. [PMID: 11857406 DOI: 10.1002/ijc.10181] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Fibrosis in solid malignancies plays a significant role in tumor pathophysiology. Potential mechanisms for collagen type I deposition in anaplastic thyroid carcinoma (ATC) were investigated using 6 characterized ATC cell lines. Three of these cell lines, which produced collagen type I, had, as a group, a poor tumorigenicity when inoculated in athymic mice. This group of cells generated tumors in 4 of 24 injected animals (17%). Pro-alpha 1(I) collagen mRNA-expressing carcinoma and stromal cells were interdispersed in the tumors generated by these ATC cells. By contrast, the 3 noncollagen-producing ATC cell lines were all tumorigenic with a tumor take of 60% in the whole group. In the latter tumors, pro-alpha 1(I) collagen mRNA-expressing cells were confined to the stromal compartment, well delineated from carcinoma cell islets. To study the influence of ATC cells on collagen type I synthesis by fibroblasts, we used AG 1518 diploid human fibroblasts cultured on poly-(2-hydroxyethyl methacrylate) (poly[HEMA])-coated plates. This culture condition allows the study of the effect of collagen mRNA translation in the regulation of collagen type I synthesis. Conditioned media from the 6 ATC cell lines did not influence collagen synthesis. The ATC cell line KAT-4 stimulated fibroblast synthesis of collagen type I when the two cell types were cocultured on poly[HEMA]-coated substrates. Specific inhibitors of PDGF and TGF-beta reduced the KAT 4 carcinoma cell-induced stimulation of collagen type I synthesis. Our data suggest that collagen type I production by carcinoma cells correlates negatively with tumorigenicity and that the formation of a well-defined stroma is of importance for tumor growth. Furthermore, our data suggest that tumor cells are able to stimulate collagen mRNA translation in stromal fibroblasts in direct cell-cell contact by, at least in part, transferring PDGF or TGF-beta.
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Affiliation(s)
- Thèrése Dahlman
- Department of Medical Biochemistry and Microbiology, Biomedical Center, Uppsala, Sweden
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25
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Abstract
Tumor progression occurs within a microecosystem, where cancer cells and myofibroblasts exchange proteinases and cytokines that promote growth directly through stimulation of proliferation and survival, as well as invasion through local proteolysis of the extracellular matrix and stimulation of motility. Myofibroblasts maintain the capacity of fibroblasts to induce differentiation. Fibroblasts are the main source of tumor-associated myofibroblasts. The transition to myofibroblasts also occurs in noncancerous situations. This transition is modulated by mechanical stress and cytokines, amongst which transforming growth factor-beta. The cross-talk between cancer cells and myofibroblasts illustrates the microecosystem of tumor invasion. In order to consider myofibroblasts as a possibly new target for cancer therapy, further characterization of the molecular cross-talk between myofibroblasts and cancer cells is required.
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Affiliation(s)
- Olivier De Wever
- Department of Radiotherapy and Nuclear Medicine, Ghent University Hospital, Gent, Belgium
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26
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Abstract
To evaluate the spatial and temporal expression of type V collagen in a wound healing model, subcutaneously implanted viscose cellulose sponges in rats were used to induce granulation tissue formation. Analyses on granulation tissue were carried out on days 3, 5, 8, 14, 21, 30, 59 and 84. Acid soluble collagens were extracted and the relative amount of type V collagen was quantified by SDS-PAGE. Specific antibodies to type I, III and V collagens were used in immunohistochemistry and specific RNA probes to proalpha1(I), proalpha1(III) and proalpha1(V) collagen in in situ hybridization. Type V collagen content increased relative to type I and III collagens up to day 8 and remained at the same level for up to the three months. Type V collagen was expressed strongly in blood vessel walls as seen in immunohistochemistry. In situ hybridization showed that all of the three types of collagen were expressed mostly in fibroblast-like cells and also in rounded cells, especially type V collagen. In conclusion, type V collagen was seen in the wound healing model in increasing amounts from day 3 onwards, its localization being highly associated with blood vessels in granulation tissue and it was synthesized by fibroblast-like and rounded cells.
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Affiliation(s)
- K Inkinen
- Fourth Department of Surgery, Helsinki University Central Hospital, Finland
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27
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Inkinen K, Turakainen H, Wolff H, Ahonen J. Cloning of cDNA for rat pro alpha1(V) collagen mRNA. Expression patterns of type I, type III and type V collagen genes in experimental granulation tissue. Connect Tissue Res 2000; 40:209-20. [PMID: 10772542 DOI: 10.3109/03008209909005284] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A cDNA clone for rat pro alpha1(V) collagen mRNA was constructed using PCR amplification, with primers based on human and hamster COL5A1 gene sequences. The clone pRCVA1 is 560 nucleotides long and it encodes for the carboxy propeptide of type V procollagen. Homology shared with type I collagen sequence was 64%, with type II collagen 65% and with type III collagen 61%. To evaluate the spatial and temporal expression of type V collagen mRNA in wound healing model, subcutaneously implanted viscose cellulose sponges in rats were used to induce granulation tissue formation. Analyses on granulation tissue were carried out on days 5, 8, 14, 21, 30, 59 and 84. Specific cDNA probes to pro alpha1(I), pro alpha1(III) and pro alpha1(V) collagen mRNA were used in slot blot, Northern and in situ hybridization. Type I collagen gene expression was upregulated at the initial stage of wound healing, type III collagen gene expression was constant and from the day 14 onwards type I and III collagen gene expressions were at the same level. Type V collagen gene expression was seen at every time point studied but at a considerably lower level than type I and III collagens. In situ hybridization showed that type V collagen was expressed in two different cell types. In conclusion, type V collagen was expressed in the wound healing model from at least day 5 onwards and it was synthesized by fibroblast-like and rounded cells.
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Affiliation(s)
- K Inkinen
- Fourth Department of Surgery, Helsinki University, Finland
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28
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Van Hoorde L, Braet K, Mareel M. The N-cadherin/catenin complex in colon fibroblasts and myofibroblasts. CELL ADHESION AND COMMUNICATION 1999; 7:139-50. [PMID: 10427966 DOI: 10.3109/15419069909034397] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Fibroblasts and myofibroblasts were isolated respectively from normal colon mucosa and from colon cancers. Immunostaining with an antibody against alpha-smooth muscle actin (alpha-SMA) of the tissues of origin and of early passage cultures showed equal proportions of alpha-SMA positive myofibroblasts in vivo as in vitro. Immunocytochemistry, immunoprecipitation of metabolically labelled cells followed by Western blotting and RT-PCR of RNA isolates demonstrated the presence of a N-cadherin/catenin complex in both fibroblasts and myofibroblasts. This complex was found preferentially at the cell cell boundaries. Immunocytochemistry and, to a lesser extent, co-immunoprecipitation indicated partial colocalisation of catenins and alpha-SMA. Transforming growth factor beta1 (TGF-beta1) greatly enhanced the expression of alpha-SMA, but left the N-cadherin/catenin complex unaltered. We speculate that the N-cadherin/catenin complex may have different functions in myofibroblasts than in fibroblasts because of its interaction with alpha-SMA.
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Affiliation(s)
- L Van Hoorde
- Department of Radiotherapy and Nuclear Medicine, University Hospital, Gent, Belgium
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Nakada I, Tasaki T, Ubukata H, Goto Y, Watanabe Y, Sato S, Tabuchi T, Tsuchiya A, Soma T. Desmoplastic response in biopsy specimens of early colorectal carcinoma is predictive of deep submucosal invasion. Dis Colon Rectum 1998; 41:896-900. [PMID: 9678377 DOI: 10.1007/bf02235375] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE The aim of this study was to evaluate the role of histopathology of biopsy specimens in predicting depth of infiltration in early colorectal carcinomas before treatment. METHODS Early colorectal carcinomas that had been resected surgically or endoscopically between 1984 and 1995 were analyzed. Histopathologic findings, including differentiation of adenocarcinoma and a desmoplastic response were investigated. RESULTS One hundred nine early colorectal carcinomas consisted of 73 lesions of carcinoma in situ, 13 submucosal carcinomas with minimum invasion, 8 lesions with moderate invasion, and 15 lesions with deep invasion. Of 73 carcinoma in situ lesions, 72 (approximately 99 percent) showed well-differentiated adenocarcinomas and no desmoplastic response. Twelve (92 percent) of 13 submucosal carcinomas with minimum invasion also revealed well-differentiated adenocarcinoma without a desmoplastic response. Sixty-three percent (5/8) of lesions with moderate invasion revealed well-differentiated adenocarcinoma. None of the lesions had a desmoplastic response. Among lesions with deep invasion, 73 percent (11/15) demonstrated moderately differentiated adenocarcinoma, and 11 lesions had a prominent desmoplastic response (73 percent; P < 0.01). CONCLUSIONS These results suggest that if histopathologic findings of biopsy specimens taken from them before treatment demonstrated adenocarcinoma associated with a desmoplastic response, the lesions had at least deep invasion carcinomas. These lesions should be resected surgically. Submucosal carcinomas with minimum invasion, which have no desmoplastic response, could be treated endoscopically.
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Affiliation(s)
- I Nakada
- Department of Surgery, Tokyo Medical College Kasumigaura Hospital, Ibaraki, Japan
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Abstract
The prominent desmoplastic or stromal reaction seen in many invasive carcinomas suggests that stromal cells play a role in cancer pathogenesis. Investigations based on cell typing, using antibodies to cytoskeletal constituents, have revealed that most tumors contain various types of fibroblasts. Stromal cells with myofibroblastic differentiation features are the predominant cell type at the periphery of epithelial tumors. These tumor-activated fibroblasts play a major role in tumor development and spread, affecting the proliferation, differentiation, invasion or regression of cancer cells. This review considers the events inducing the different fibroblastic responses and the role of tumor-activated fibroblasts in both tumor development and anti-cancer treatments.
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Affiliation(s)
- M Grégoire
- Institut de Biologie, INSERM U419, Nantes, France
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