301
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Liu L, Zhang L, Zhao S, Zhao XY, Min PX, Ma YD, Wang YY, Chen Y, Tang SJ, Zhang YJ, Du J, Gu L. Non-canonical Notch Signaling Regulates Actin Remodeling in Cell Migration by Activating PI3K/AKT/Cdc42 Pathway. Front Pharmacol 2019; 10:370. [PMID: 31057403 PMCID: PMC6477508 DOI: 10.3389/fphar.2019.00370] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 03/26/2019] [Indexed: 12/31/2022] Open
Abstract
Tumor cell migration is a critical step in cancer metastasis. Over-activated Notch pathway can promote the migration of cancer cells, especially in the breast cancer. However, the underlying mechanism of non-canonical Notch signaling in modulating the migration has not yet been clearly characterized. Here we demonstrated that DAPT, a gamma secretase inhibitor, inhibited protrusion formation and cell motility, and then reduced the migration of triple-negative breast cancer cells, through increasing the activity of Cdc42 by non-canonical Notch pathway. Phosphorylation of AKT on S473 was surprisingly increased when Notch signaling was inhibited by DAPT. Inhibition of PI3K and AKT by LY294002 and MK2206, respectively, or knockdown of AKT expression by siRNA blocked DAPT-induced activation of Cdc42. Moreover, immunofluorescence staining further showed that DAPT treatment reduced the formation of lamellipodia and induced actin cytoskeleton remodeling. Taken together, these results indicated that DAPT inhibited Notch signaling and consequently activated PI3K/AKT/Cdc42 signaling by non-canonical pathway, facilitated the formation of filopodia and inhibited the assembly of lamellipodia, and finally resulted in the decrease of migration activity of breast cancer cells.
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Affiliation(s)
- Lei Liu
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China.,Department of Physiology, Xuzhou Medical University, Xuzhou, China
| | - Lin Zhang
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China
| | - Shuo Zhao
- Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Xu-Yang Zhao
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China
| | - Peng-Xiang Min
- Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Ya-Dong Ma
- Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Yue-Yuan Wang
- Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Yan Chen
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China
| | - Si-Jie Tang
- Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Yu-Jie Zhang
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China.,Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Jun Du
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China.,Department of Physiology, Nanjing Medical University, Nanjing, China
| | - Luo Gu
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China.,Department of Physiology, Nanjing Medical University, Nanjing, China
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302
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Eble JA, Niland S. The extracellular matrix in tumor progression and metastasis. Clin Exp Metastasis 2019; 36:171-198. [PMID: 30972526 DOI: 10.1007/s10585-019-09966-1] [Citation(s) in RCA: 312] [Impact Index Per Article: 62.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/05/2019] [Indexed: 02/06/2023]
Abstract
The extracellular matrix (ECM) constitutes the scaffold of tissues and organs. It is a complex network of extracellular proteins, proteoglycans and glycoproteins, which form supramolecular aggregates, such as fibrils and sheet-like networks. In addition to its biochemical composition, including the covalent intermolecular cross-linkages, the ECM is also characterized by its biophysical parameters, such as topography, molecular density, stiffness/rigidity and tension. Taking these biochemical and biophysical parameters into consideration, the ECM is very versatile and undergoes constant remodeling. This review focusses on this remodeling of the ECM under the influence of a primary solid tumor mass. Within this tumor stroma, not only the cancer cells but also the resident fibroblasts, which differentiate into cancer-associated fibroblasts (CAFs), modify the ECM. Growth factors and chemokines, which are tethered to and released from the ECM, as well as metabolic changes of the cells within the tumor bulk, add to the tumor-supporting tumor microenvironment. Metastasizing cancer cells from a primary tumor mass infiltrate into the ECM, which variably may facilitate cancer cell migration or act as barrier, which has to be proteolytically breached by the infiltrating tumor cell. The biochemical and biophysical properties therefore determine the rates and routes of metastatic dissemination. Moreover, primed by soluble factors of the primary tumor, the ECM of distant organs may be remodeled in a way to facilitate the engraftment of metastasizing cancer cells. Such premetastatic niches are responsible for the organotropic preference of certain cancer entities to colonize at certain sites in distant organs and to establish a metastasis. Translational application of our knowledge about the cancer-primed ECM is sparse with respect to therapeutic approaches, whereas tumor-induced ECM alterations such as increased tissue stiffness and desmoplasia, as well as breaching the basement membrane are hallmark of malignancy and diagnostically and histologically harnessed.
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Affiliation(s)
- Johannes A Eble
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149, Münster, Germany.
| | - Stephan Niland
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149, Münster, Germany
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303
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Han Y, Li CW, Hsu JM, Hsu JL, Chan LC, Tan X, He GJ. Metformin reverses PARP inhibitors-induced epithelial-mesenchymal transition and PD-L1 upregulation in triple-negative breast cancer. Am J Cancer Res 2019; 9:800-815. [PMID: 31106005 PMCID: PMC6511636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 03/11/2019] [Indexed: 06/09/2023] Open
Abstract
Poly (ADP-ribose) polymerase (PARP) inhibitors have emerged as promising targeted therapies for BRCA-mutated cancers by blocking repair of DNA double-strand breaks. However, resistance to PARP inhibitors (PARPi) has been described in some patients lowering the overall response rates. To investigate the underlying mechanisms of PARPi resistance, we developed the adaptive resistant clones in triple-negative breast cancer cell lines. We identified epithelial-mesenchymal transition (EMT) and upregulation of programmed death-ligand 1 (PD-L1) in resistant cells and further demonstrated the important role of Akt S473 phosphorylation in PARPi resistance. In addition, PARPi mediated EMT is independent of PD-L1 upregulation. Blocking the p-Akt S473 axis by metformin reversed EMT and PD-L1 expression which sensitized PARPi-resistant cells to cytotoxic T cells. Thus, a combination of metformin and PARP inhibitors may be a promising therapeutic strategy to increase the efficacy of PARP inhibitors and tumor sensitivity to immunotherapy.
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Affiliation(s)
- Ye Han
- The Second Breast Surgery Ward, Shengjing Hospital of China Medical UniversityShenyang, People’s Republic of China
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer CenterHouston, Texas, USA
| | - Chia-Wei Li
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer CenterHouston, Texas, USA
| | - Jung-Mao Hsu
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer CenterHouston, Texas, USA
| | - Jennifer L Hsu
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer CenterHouston, Texas, USA
| | - Li-Chuan Chan
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer CenterHouston, Texas, USA
| | - Xiaodong Tan
- Thyroid and Pancreatic Surgery Ward, Shengjing Hospital of China Medical UniversityShenyang, People’s Republic of China
| | - Gui-Jin He
- The Second Breast Surgery Ward, Shengjing Hospital of China Medical UniversityShenyang, People’s Republic of China
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304
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Sianati S, Kurumlian A, Bailey E, Poole K. Analysis of Mechanically Activated Ion Channels at the Cell-Substrate Interface: Combining Pillar Arrays and Whole-Cell Patch-Clamp. Front Bioeng Biotechnol 2019; 7:47. [PMID: 30984749 PMCID: PMC6448047 DOI: 10.3389/fbioe.2019.00047] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 02/28/2019] [Indexed: 12/14/2022] Open
Abstract
Ionic currents can be evoked by mechanical inputs applied directly at the cell-substrate interface. These ionic currents are mediated by mechanically activated ion channels, where the open probability increases with increasing mechanical input. In order to study mechanically activated ion channels directly at the interface between cells and their environment, we have developed a technique to simultaneously monitor ion channel activity whilst stimuli are applied via displacement of cell-substrate contacts. This technique utilizes whole-cell patch-clamp electrophysiology and elastomeric pillar arrays, it is quantitative and appropriate for studying channels that respond to stimuli that are propagated to an adherent cell via the physical substrate. The mammalian channels PIEZO1, PIEZO2 have been shown to be activated by substrate deflections, using this technique. In addition, TRPV4 mediated currents can be evoked by substrate deflections, in contrast to alternate stimulation methods such as membrane stretch or cellular indentation. The deflections applied at cell-substrate points mimic the magnitude of physical stimuli that impact cells in situ.
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Affiliation(s)
- Setareh Sianati
- EMBL Australia Node in Single Molecule Science, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.,Cellular and Systems Physiology, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Anie Kurumlian
- EMBL Australia Node in Single Molecule Science, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.,Cellular and Systems Physiology, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Evan Bailey
- Cellular and Systems Physiology, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Kate Poole
- EMBL Australia Node in Single Molecule Science, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.,Cellular and Systems Physiology, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
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305
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Chen Q, Chen Y, Sun Y, He W, Han X, Lu E, Sha X. Leukocyte-mimicking Pluronic-lipid nanovesicle hybrids inhibit the growth and metastasis of breast cancer. NANOSCALE 2019; 11:5377-5394. [PMID: 30849160 DOI: 10.1039/c8nr08936a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Breast cancer is a severe threat to the health of women, and the metastasis of tumor cells leads to high mortality in female patients. Evidence shows that leukocytes are recruited by breast tumors through adhesion to inflammatory endothelial cells as well as tumor cells. Moreover, it is known that Pluronic P123 is effective in the reduction of matrix metalloproteinases (MMPs), which play a key role in the degradation of the extracellular matrix (ECM), therefore helping tumor cells to escape from the primary site. Inspired by these mechanisms, we established a leukocyte-mimicking Pluronic-lipid nanovesicle hybrid (LPL) through integrating the membrane proteins extracted from leukocytes with membrane-like vesicles, with Pluronic P123 hybridized in the lipid bilayer, while paclitaxel (PTX) was selected as the model drug. The hybrid vesicles were perfectly incorporated with the leukocyte membrane proteins, and no disruption to the lipid membrane was caused by P123, with the bio-targeting ability of leukocytes and the MMP-9-downregulation effect of P123 fully preserved in LPL. LPL exhibited enhanced cellular uptake and anti-metastasis efficacy in in vitro assays, while significant tumor targeting capabilities were also found through biodistribution assays. Moreover, the in vivo therapeutic effects of PTX-loaded LPL (PTX-LPL) were observed, with an 80.84% inhibition rate of tumor growth and a 10.62% metastatic rate of tumor foci in lung tissue. Furthermore, the amounts of MMP-9 and neutrophils in the tumor as well as in the lung were greatly reduced with PTX-LPL. In summary, LPL may have potential applications in metastatic breast cancer therapy.
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Affiliation(s)
- Qinyue Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, P.R. China.
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306
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Paul CD, Hruska A, Staunton JR, Burr HA, Daly KM, Kim J, Jiang N, Tanner K. Probing cellular response to topography in three dimensions. Biomaterials 2019; 197:101-118. [PMID: 30641262 PMCID: PMC6390976 DOI: 10.1016/j.biomaterials.2019.01.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/28/2018] [Accepted: 01/05/2019] [Indexed: 12/18/2022]
Abstract
Biophysical aspects of in vivo tissue microenvironments include microscale mechanical properties, fibrillar alignment, and architecture or topography of the extracellular matrix (ECM). These aspects act in concert with chemical signals from a myriad of diverse ECM proteins to provide cues that drive cellular responses. Here, we used a bottom-up approach to build fibrillar architecture into 3D amorphous hydrogels using magnetic-field driven assembly of paramagnetic colloidal particles functionalized with three types of human ECM proteins found in vivo. We investigated if cells cultured in matrices comprised of fibrils of the same size and arranged in similar geometries will show similar behavior for each of the ECM proteins tested. We were able to resolve spatial heterogeneities in microscale mechanical properties near aligned fibers that were not observed in bulk tissue mechanics. We then used this platform to examine factors contributing to cell alignment in response to topographical cues in 3D laminin-rich matrices. Multiple human cell lines extended protrusions preferentially in directions parallel or perpendicular to aligned fibers independently of the ECM coating. Focal adhesion proteins, as measured by paxillin localization, were mainly diffuse in the cytoplasm, with few puncta localized at the protrusions. Integrin β1 and fascin regulated protrusion extension but not protrusion alignment. Myosin II inhibition did not reduce observed protrusion length. Instead, cells with reduced myosin II activity generated protrusions in random orientations when cultured in hydrogels with aligned fibers. Similarly, myosin II dependence was observed in vivo, where cells no longer aligned along the abluminal surfaces of blood vessels upon treatment with blebbistatin. These data suggest that myosin II can regulate sensing of topography in 3D engineered matrices for both normal and transformed cells.
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Affiliation(s)
- Colin D Paul
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Alex Hruska
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Jack R Staunton
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Hannah A Burr
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Kathryn M Daly
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Jiyun Kim
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Nancy Jiang
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA
| | - Kandice Tanner
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, USA.
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307
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Feng J, Xu J, Xu Y, Xiong J, Xiao T, Jiang C, Li X, Wang Q, Li J, Li Y. CLIC1 promotes the progression of oral squamous cell carcinoma via integrins/ERK pathways. Am J Transl Res 2019; 11:557-571. [PMID: 30899362 PMCID: PMC6413291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
Chloride intracellular channel 1 (CLIC1), a member of the chloride channel protein family, acts as a promoter in many malignancies, but its role in oral cancer remains unclear. Hence, this research aimed to explore the effects of CLIC1 on the progression of oral cancer cells in vitro, and we assessed its role in cell proliferation, apoptosis, migration, invasion, angiogenesis, and chemosensitivity to cisplatin and possible signaling pathways. The results demonstrated that CLIC1 depletion inhibited the proliferation, invasion, migration and angiogenesis of oral squamous cell carcinoma (OSCC) cells in vitro, but promoted cell apoptosis and increased the drug susceptibility to cisplatin. In contrast, CLIC1 upregulation was positively correlated with cell proliferation, invasion and migration and angiogenesis. Mechanistically, CLIC1 silencing decreased the levels of ITGαv, ITGβ1, p-ERK, vimentin, MMP2 and MMP9, and increased the levels of p-p38, E-cadherin, caspase3 and caspase9. CLIC1 overexpression enhanced the ITGαv, ITGβ1, p-ERK, vimentin, MMP2 and MMP9 levels and decreased E-cadherin expression. Overall, these results indicated that CLIC1 promotes the progression of OSCC, and we speculated that its potential mechanism may be related to the regulation of ITGαv and ITGβ1, which led to activation of the MAPK/ERK and MAPK/p38 signal pathways.
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Affiliation(s)
- Jiali Feng
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Jie Xu
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Ying Xu
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Jun Xiong
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Tingting Xiao
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Chao Jiang
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Xian Li
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Qian Wang
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Jie Li
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
| | - Yong Li
- College of Stomatology, Chongqing Medical UniversityChongqing, China
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesChongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqing, China
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308
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Yoon YJ, Han YM, Choi J, Lee YJ, Yun J, Lee SK, Lee CW, Kang JS, Chi SW, Moon JH, Lee S, Han DC, Kwon BM. Benproperine, an ARPC2 inhibitor, suppresses cancer cell migration and tumor metastasis. Biochem Pharmacol 2019; 163:46-59. [PMID: 30710516 DOI: 10.1016/j.bcp.2019.01.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 01/24/2019] [Indexed: 02/09/2023]
Abstract
Metastasis is the leading cause of cancer mortality and cancer cell migration is an essential stage of metastasis. We identified benproperine (Benp, a clinically used antitussive drug) as an inhibitor of cancer cell migration and an anti-metastatic agent. Benp selectively inhibited cancer cell migration and invasion, which also suppressed metastasis of cancer cells in animal models. Actin-related protein 2/3 complex subunit 2 (ARPC2) was identified as a molecular target of Benp by affinity column chromatography with Benp-tagged Sepharose beads. Benp bound directly to ARPC2 in cells, which was validated by pull-down assay using Benp-biotin and label-free biochemical methods such as the drug affinity responsive target stability (DARTS) and cellular thermal shift assay (CETSA). Benp inhibited Arp2/3 function, showing disruption of lamellipodial structure and inhibition of actin polymerization. Unlike Arp2/3 inhibitors, Benp selectively inhibited the migration of cancer cells but not normal cells. ARPC2-knockdown cancer cells showed defective cell migration and suppressed metastasis in an animal model. Therefore, ARPC2 is a potential target for anti-metastatic therapy, and Benp has the clinical potential to block metastasis. Furthermore, Benp is a useful agent for studying the functions of the Arp2/3 complex in cancer cell migration and metastasis.
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Affiliation(s)
- Yae Jin Yoon
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Young-Min Han
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Jiyeon Choi
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea; Department of Biology, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Yu-Jin Lee
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Jieun Yun
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Su-Kyung Lee
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Chang Woo Lee
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Jong Soon Kang
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Seung-Wook Chi
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea; Korea University of Science and Technology in Korea, Daejeon, Republic of Korea
| | - Jeong Hee Moon
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Sangku Lee
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea
| | - Dong Cho Han
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea; Korea University of Science and Technology in Korea, Daejeon, Republic of Korea.
| | - Byoung-Mog Kwon
- Laboratory of Chemical Biology and Genomics, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahakro, Daejeon 34141, Republic of Korea; Korea University of Science and Technology in Korea, Daejeon, Republic of Korea.
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309
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Kalli M, Minia A, Pliaka V, Fotis C, Alexopoulos LG, Stylianopoulos T. Solid stress-induced migration is mediated by GDF15 through Akt pathway activation in pancreatic cancer cells. Sci Rep 2019; 9:978. [PMID: 30700740 PMCID: PMC6353927 DOI: 10.1038/s41598-018-37425-6] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 12/06/2018] [Indexed: 12/29/2022] Open
Abstract
Solid stress is a biomechanical abnormality of the tumor microenvironment that plays a crucial role in tumor progression. When it is applied to cancer cells, solid stress hinders their proliferation rate and promotes cancer cell invasion and metastatic potential. However, the underlying mechanisms of how it is implicated in cancer metastasis is not yet fully understood. Here, we used two pancreatic cancer cell lines and an established in vitro system to study the effect of solid stress-induced signal transduction on pancreatic cancer cell migration as well as the mechanism involved. Our results show that the migratory ability of cells increases as a direct response to solid stress. We also found that Growth Differentiation Factor 15 (GDF15) expression and secretion is strongly upregulated in pancreatic cancer cells in response to mechanical compression. Performing a phosphoprotein screening, we identified that solid stress activates the Akt/CREB1 pathway to transcriptionally regulate GDF15 expression, which eventually promotes pancreatic cancer cell migration. Our results suggest a novel solid stress signal transduction mechanism bringing GDF15 to the centre of pancreatic tumor biology and rendering it a potential target for future anti-metastatic therapeutic innovations.
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Affiliation(s)
- Maria Kalli
- Cancer Biophysics Laboratory, Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus
| | | | | | - Christos Fotis
- Department of Mechanical Engineering, National Technical University of Athens, Athens, Greece
| | - Leonidas G Alexopoulos
- ProtATonce Ltd, Athens, Greece.,Department of Mechanical Engineering, National Technical University of Athens, Athens, Greece
| | - Triantafyllos Stylianopoulos
- Cancer Biophysics Laboratory, Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus.
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310
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Abstract
Objective: Oral cancer presents as a devastating type of malignancy. It is predominant in populations with high use of alcohol and various forms of tobacco as well as poor diets with low intake of fruits and vegetables. The present study focused on the potential of Garcinone E to inhibit HSC-4 oral cancer cell proliferation, migration and invasion. Methods: MTT and colony forming assays were performed to study antiproliferative effects of Garcinone E. Hoechst staining was used to determine levels of apoptosis, with cell invasion and scratch assays conducted for migration and invasion characteristics. The levels of MMPs and cytokines were quantified in Garcinone E treated cells by ELISA. Results: Garcinone E inhibited the proliferation and colony forming potential of HSC-4 cells. It also suppressed migration and invasion with inhibition of MMP-2 and MMP-9 expression. Moreover, it elevated IL-2 and reduced IL-6 expression in HSC-4 cells. Conclusion: Our results demonstrate for the first time that Garcinone E might inhibit metastasis of an oral cancer cell line by blocking invasion, migration and MMP production.
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Affiliation(s)
- Sheeja K
- Laboratory of Molecular Medicine, Division of Cancer Research, Regional Cancer Centre, Medical College, Thiruvanananthapuram, Kerala, India.
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311
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Kelley LC, Chi Q, Cáceres R, Hastie E, Schindler AJ, Jiang Y, Matus DQ, Plastino J, Sherwood DR. Adaptive F-Actin Polymerization and Localized ATP Production Drive Basement Membrane Invasion in the Absence of MMPs. Dev Cell 2019; 48:313-328.e8. [PMID: 30686527 PMCID: PMC6372315 DOI: 10.1016/j.devcel.2018.12.018] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 11/07/2018] [Accepted: 12/20/2018] [Indexed: 12/21/2022]
Abstract
Matrix metalloproteinases (MMPs) are associated with decreased patient prognosis but have failed as anti-invasive drug targets despite promoting cancer cell invasion. Through time-lapse imaging, optical highlighting, and combined genetic removal of the five MMPs expressed during anchor cell (AC) invasion in C. elegans, we find that MMPs hasten invasion by degrading basement membrane (BM). Though irregular and delayed, AC invasion persists in MMP- animals via adaptive enrichment of the Arp2/3 complex at the invasive cell membrane, which drives formation of an F-actin-rich protrusion that physically breaches and displaces BM. Using a large-scale RNAi synergistic screen and a genetically encoded ATP FRET sensor, we discover that mitochondria enrich within the protrusion and provide localized ATP that fuels F-actin network growth. Thus, without MMPs, an invasive cell can alter its BM-breaching tactics, suggesting that targeting adaptive mechanisms will be necessary to mitigate BM invasion in human pathologies.
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Affiliation(s)
- Laura C Kelley
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA
| | - Qiuyi Chi
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA
| | - Rodrigo Cáceres
- CNRS, Laboratoire Physico Chimie Curie, Institut Curie, PSL Research Université, Paris 75005, France; Sorbonne Université, Paris 75005, France; Université Paris Descartes, Sorbonne Paris Cité, Paris 75005, France
| | - Eric Hastie
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA
| | - Adam J Schindler
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA
| | - Yue Jiang
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA
| | - David Q Matus
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794-5215, USA
| | - Julie Plastino
- CNRS, Laboratoire Physico Chimie Curie, Institut Curie, PSL Research Université, Paris 75005, France; Sorbonne Université, Paris 75005, France
| | - David R Sherwood
- Department of Biology, Regeneration Next, Duke University, Box 90338, Durham, NC 27708, USA.
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312
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Hui J, Pang S. Cell traction force in a confined microenvironment with double-sided micropost arrays. RSC Adv 2019; 9:8575-8584. [PMID: 35518671 PMCID: PMC9061871 DOI: 10.1039/c8ra10170a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 03/07/2019] [Indexed: 11/21/2022] Open
Abstract
Three-dimensional (3D) cell migrations are regulated by force interactions between cells and a 3D extracellular matrix (ECM). Mapping the 3D traction force generated by cells on the surrounding ECM with controlled confinement and contact area will be useful in understanding cell migration. In this study, double-sided micropost arrays were fabricated. The cell traction force was mapped by microposts on the top and bottom of opposing surfaces with a controlled separating distance to create different confinements. The density of micropost arrays was modified to investigate the effect of cell contact area on 3D traction force development. Using MC3T3-E1 osteoblastic cells, the leading traction force was found to increase with additional contact surface on the top. Summing force vectors on both surfaces, a large force imbalance was found from the leading to trailing regions for fast migrating cells. With 10 μm separation and densely arranged microposts, the traction force on the top surface was the largest at 28.6 ± 2.5 nN with the highest migration speed of 0.61 ± 0.07 μm min−1. Decreasing the density of the top micropost arrays resulted in a reduced traction force on the top and lower migration speed. With 15 μm separation, the cell traction force on the top and migration speed further decreased simultaneously. These results revealed traction force development on 3D ECM with varied degrees of confinement and contact area, which is important in regulating 3D cell migration. Double-sided micropost arrays to monitor three-dimensional cell traction force development over time on top and bottom surfaces with controlled confinement and contact area.![]()
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Affiliation(s)
- Jianan Hui
- Department of Electronic Engineering
- City University of Hong Kong
- China
- Center for Biosystems, Neuroscience, and Nanotechnology
- City University of Hong Kong
| | - Stella W. Pang
- Department of Electronic Engineering
- City University of Hong Kong
- China
- Center for Biosystems, Neuroscience, and Nanotechnology
- City University of Hong Kong
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313
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Jafari N, Drury J, Morris AJ, Onono FO, Stevens PD, Gao T, Liu J, Wang C, Lee EY, Weiss HL, Evers BM, Zaytseva YY. De Novo Fatty Acid Synthesis-Driven Sphingolipid Metabolism Promotes Metastatic Potential of Colorectal Cancer. Mol Cancer Res 2019; 17:140-152. [PMID: 30154249 PMCID: PMC6318071 DOI: 10.1158/1541-7786.mcr-18-0199] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 06/01/2018] [Accepted: 08/17/2018] [Indexed: 01/28/2023]
Abstract
Metastasis is the most common cause of death in colorectal cancer patients. Fatty acid synthase (FASN) and sphingosine kinase-1 and -2 (SPHK1 and 2) are overexpressed in many cancers, including colorectal cancer. However, the contribution of FASN-mediated upregulation of sphingolipid metabolism to colorectal cancer metastasis and the potential of these pathways as targets for therapeutic intervention remain unknown. This study determined that sphingosine kinases (SPHK) are overexpressed in colorectal cancer as compared with normal mucosa. FASN expression significantly correlated with SPHK2 expression in data sets from The Cancer Genome Atlas (TCGA) and a colorectal cancer tumor microarray. FASN, SPHK1, and SPHK2 colocalized within invadopodia of primary colorectal cancer cells. Moreover, FASN inhibition decreased SPHK2 expression and the levels of dihydrosphingosine 1-phosphate (DH-S1P) and sphingosine 1-phosphate (S1P) in colorectal cancer cells and tumor tissues. Inhibition of FASN using TVB-3664 and sphingolipid metabolism using FTY-720 significantly inhibited the ability of primary colorectal cancer cells to proliferate, migrate, form focal adhesions, and degrade gelatin. Inhibition of the FASN/SPHK/S1P axis was accompanied by decreased activation of p-MET, p-FAK, and p-PAX. S1P treatment rescued FASN-mediated inhibition of these proteins, suggesting that FASN promotes metastatic properties of colorectal cancer cells, in part, through an increased sphingolipid metabolism. These data demonstrate that upregulation of the FASN/SPHK/S1P axis promotes colorectal cancer progression by enhancing proliferation, adhesion, and migration. IMPLICATIONS: This study provides a strong rationale for further investigation of the interconnection of de novo lipogenesis and sphingolipid metabolism that could potentially lead to the identification of new therapeutic targets and strategies for colorectal cancer.
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Affiliation(s)
- Naser Jafari
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky, USA,Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - James Drury
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky, USA
| | - Andrew J. Morris
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA,Division of Cardiovascular Medicine and The Gill Heart and Vascular Institute, University of Kentucky, Lexington, Kentucky, USA
| | - Fredrick O. Onono
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA,Division of Cardiovascular Medicine and The Gill Heart and Vascular Institute, University of Kentucky, Lexington, Kentucky, USA
| | - Payton D. Stevens
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, Kentucky, USA
| | - Tianyan Gao
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA,Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, Kentucky, USA
| | - Jinpeng Liu
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - Chi Wang
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - Eun Y. Lee
- Department of Pathology and Laboratory Medicine, University of Kentucky, Lexington, Kentucky, USA
| | - Heidi L. Weiss
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - B. Mark Evers
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - Yekaterina Y. Zaytseva
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky, USA,Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
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314
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Bock N, Röhl J. Real-Time and 3D Quantification of Cancer Cell Dynamics: Exploiting a Bioengineered Human Bone Metastatic Microtissue. Methods Mol Biol 2019; 2054:59-77. [PMID: 31482447 DOI: 10.1007/978-1-4939-9769-5_3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The study of dynamic processes in the bone metastatic compartment has been challenged by the restrictive access and limited live imaging capabilities that in vivo bone models provide. In this protocol, we show the use of a human bone metastatic bioengineered microtissue for the quantitative investigation of cancer cells in an in vitro bone-like microenvironment. Using live cell epifluorescence microscopy, traditional- and spinning disc-confocal laser scanning microscopy, we demonstrate how to obtain multidimensional real-time data of fluorescently labeled cancer cells in the metastatic microenvironment. Using 4D imaging data processing software such as ImageJ and Imaris, we show how to transform qualitative images and videos into quantitative data of cancer cell attachment, morphology, proliferation, and migration in vitro in the human bone metastatic microtissue.
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Affiliation(s)
- Nathalie Bock
- Faculty of Health, School of Biomedical Sciences, Australian Prostate Cancer Research Centre (APCRC-Q), Institute of Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Brisbane, QLD, Australia.
- Translational Research Institute (TRI), QUT, Woolloongabba, QLD, Australia.
- Centre in Regenerative Medicine, IHBI, QUT, Kelvin Grove, QLD, Australia.
| | - Joan Röhl
- Faculty of Health, School of Biomedical Sciences, Australian Prostate Cancer Research Centre (APCRC-Q), Institute of Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Brisbane, QLD, Australia
- Translational Research Institute (TRI), QUT, Woolloongabba, QLD, Australia
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315
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Wang WY, Pearson AT, Kutys ML, Choi CK, Wozniak MA, Baker BM, Chen CS. Extracellular matrix alignment dictates the organization of focal adhesions and directs uniaxial cell migration. APL Bioeng 2018; 2:046107. [PMID: 31069329 PMCID: PMC6481732 DOI: 10.1063/1.5052239] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 11/20/2018] [Indexed: 01/16/2023] Open
Abstract
Physical features of the extracellular matrix (ECM) heavily influence cell migration strategies and efficiency. Migration in and on fibrous ECMs is of significant physiologic importance, but limitations in the ability to experimentally define the diameter, density, and alignment of native ECMs in vitro have hampered our understanding of how these properties affect this basic cell function. Here, we designed a high-throughput in vitro platform that models fibrous ECM as collections of lines of cell-adhesive fibronectin on a flat surface to eliminate effects of dimensionality and topography. Using a microcontact printing approach to orthogonally vary line alignment, density, and size, we determined each factor's individual influence on NIH3T3 fibroblast migration. High content imaging and statistical analyses revealed that ECM alignment is the most critical parameter in influencing cell morphology, polarization, and migratory behavior. Specifically, increasing ECM alignment led cells to adopt an elongated uniaxial morphology and migrate with enhanced speed and persistence. Intriguingly, migration speeds were tightly correlated with the organization of focal adhesions, where cells with the most aligned adhesions migrated fastest. Highly organized focal adhesions and associated actin stress fibers appeared to define the number and location of protrusive fronts, suggesting that ECM alignment influences active Rac1 localization. Utilizing a novel microcontact-printing approach that lacks confounding influences of substrate dimensionality, mechanics, or differences in the adhesive area, this work highlights the effect of ECM alignment on orchestrating the cytoskeletal machinery that governs directed uniaxial cell migration.
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Affiliation(s)
- William Y Wang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Alexander T Pearson
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, Illinois 60637, USA
| | | | | | - Michele A Wozniak
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Brendon M Baker
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USA
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316
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Zhuang J, Wu Y, Chen L, Liang S, Wu M, Zhou L, Fan C, Zhang Y. Single-Cell Mobility Analysis of Metastatic Breast Cancer Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1801158. [PMID: 30581709 PMCID: PMC6299679 DOI: 10.1002/advs.201801158] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 09/26/2018] [Indexed: 05/03/2023]
Abstract
Efforts have been taken to enhance the study of single-cells, however, the task remains challenging because most previous investigations cannot exclude the interactions between single cells or separately retrieved cells with specificity for further analyses. Here, a single-cell mobility analysis platform (SCM-Chip) is developed that can not only real-time monitor single-cell migration in independent niches but can also selectively recover target cells one by one. The design of each channel with a single-cell capture unit and an outlet enables the system to place single cells in different isolated niches with fluidic capture and to respectively collect target cells based on mobilities. SCM-Chip characterization of breast cancer cells reveals the presence of high- and low-migratory populations. Whole-cell transcriptome analysis establishes that monocyte chemotactic protein induced protein 1 (MCPIP1) is related with cell mobility; cells with a high expression of MCPIP1 exhibit low mobility in vitro and metastasis in vivo. The SCM platform provides a generic tool for accurate single-cell isolation and differentiation that can be readily adapted for the study of cancer and drug development.
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Affiliation(s)
- Jialang Zhuang
- School of Pharmaceutical SciencesSun Yat‐sen UniversityGuangzhou510006P. R. China
| | - Yongjian Wu
- Department of ImmunologyZhongshan School of MedicineSun Yat‐sen University74 Zhongshan 2nd RoadGuangzhou510080P. R. China
| | - Liang Chen
- School of Pharmaceutical SciencesSun Yat‐sen UniversityGuangzhou510006P. R. China
| | - Siping Liang
- Department of ImmunologyZhongshan School of MedicineSun Yat‐sen University74 Zhongshan 2nd RoadGuangzhou510080P. R. China
| | - Minhao Wu
- Department of ImmunologyZhongshan School of MedicineSun Yat‐sen University74 Zhongshan 2nd RoadGuangzhou510080P. R. China
| | - Ledu Zhou
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunan410008P. R. China
| | - Chunhai Fan
- Laboratory of Physical BiologyShanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai201800P. R. China
| | - Yuanqing Zhang
- School of Pharmaceutical SciencesSun Yat‐sen UniversityGuangzhou510006P. R. China
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317
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Zhang X, Liu R, Yuan Q, Gao F, Li J, Zhang Y, Zhao Y, Chai Z, Gao L, Gao X. The Precise Diagnosis of Cancer Invasion/Metastasis via 2D Laser Ablation Mass Mapping of Metalloproteinase in Primary Cancer Tissue. ACS NANO 2018; 12:11139-11151. [PMID: 30359513 DOI: 10.1021/acsnano.8b05584] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cancer invasion and metastasis remain the major causes of over 90% of patient deaths. Molecular imaging methods such as computed tomography (CT)/magnetic resonance imaging (MRI) can precisely assess primary regional lymph node invasion and distant organ metastasis via body scanning; however, such diagnostic methods are often utilized too late for cancer therapy. To date, pathologic methods mainly provide information on differentiation/proliferation and potential drug therapy biomarkers of primary tumors rather than precisely reveal tumor regional invasion and distant metastasis in the body. We hypothesized that quantification of membrane type-1 matrix metalloproteinase (MT1-MMP) levels in primary tumor tissue will provide a precise assessment of tumor regional lymph node invasion and remote organ metastasis. In this work, we developed peptide-coated Au clusters with intrinsic red fluorescence and a specific mass signal. When these clusters labeled MT1-MMP in tumor tissue sections derived from the xenograft lung carcinoma model, human lung carcinoma and human renal carcinoma, we could directly observe MT1-MMP via optical fluorescence microscopy and quantitatively detect the MT1-MMP expression level via laser ablation inductively coupled plasma mass spectrometry 2D mapping (2D-LA-Mass Mapping). By observing and quantifying the MT1-MMP expression level in primary human lung carcinoma and human renal carcinoma tissue sections, we precisely assessed the risk of primary tumor invasion/metastasis. Importantly, the accuracy of this pathologic method was verified by CT/MRI molecular imaging of cancer patients and traditional hematoxylin and eosin (H&E) staining/immunohistochemistry (IHC)/immunofluorescence (IF) pathologic studies of primary tumor tissues.
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Affiliation(s)
- Xiangchun Zhang
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Ru Liu
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Qing Yuan
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Fuping Gao
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Jiaojiao Li
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Ya Zhang
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Yuliang Zhao
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Zhifang Chai
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Liang Gao
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
| | - Xueyun Gao
- Department of Chemistry and Chemical Engineering , Beijing University of Technology , Beijing 100124 , China
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety , Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049 , China
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318
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Sima F, Kawano H, Miyawaki A, Kelemen L, Ormos P, Wu D, Xu J, Midorikawa K, Sugioka K. 3D Biomimetic Chips for Cancer Cell Migration in Nanometer-Sized Spaces Using "Ship-in-a-Bottle" Femtosecond Laser Processing. ACS APPLIED BIO MATERIALS 2018; 1:1667-1676. [PMID: 34996216 DOI: 10.1021/acsabm.8b00487] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Cancer cells undergo dramatic morphology changes when migrating in confined spaces narrower than their diameter during metastasis, and thus it is necessary to understand the deformation mechanism and associated molecular events in order to study tumor progression. To this end, we propose a new biochip with three-dimensional (3D) polymer nanostructures in a closed glass microfluidic chip. "Ship-in-a-bottle" femtosecond laser processing is an exclusive technique to flexibly create 3D small details in biochips. The wavefront correction by the spatial light modulator significantly improves the fabrication resolution of this technique. The device could then accommodate defect-free 3D biomimetic nanoconfigurations for the evaluation of prostate cancer cell migration in confined spaces. Specifically, polymeric channels with widths of ∼900 nm, which is more than one order of magnitude smaller than the cell size, are integrated by femtosecond laser inside glass channels. The cells are responsive to an in-channel gradient of epidermal growth factor and can migrate a distance greater than 20 μm. After migration, the cells suffer partial cytokinesis, followed by fusion of the divided parts back into single cell bodies.
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Affiliation(s)
- Felix Sima
- RIKEN Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,CETAL, National Institute for Lasers, Plasma and Radiation Physics, Magurele, Ilfov 00175, Romania
| | | | | | - Lorand Kelemen
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences, Temesvári krt. 62, Szeged 6726, Hungary
| | - Pal Ormos
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences, Temesvári krt. 62, Szeged 6726, Hungary
| | - Dong Wu
- RIKEN Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Jian Xu
- RIKEN Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Katsumi Midorikawa
- RIKEN Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Koji Sugioka
- RIKEN Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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319
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Ju RJ, Stehbens SJ, Haass NK. The Role of Melanoma Cell-Stroma Interaction in Cell Motility, Invasion, and Metastasis. Front Med (Lausanne) 2018; 5:307. [PMID: 30460237 PMCID: PMC6232165 DOI: 10.3389/fmed.2018.00307] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 10/16/2018] [Indexed: 12/21/2022] Open
Abstract
The importance of studying cancer cell invasion is highlighted by the fact that 90% of all cancer-related mortalities are due to metastatic disease. Melanoma metastasis is driven fundamentally by aberrant cell motility within three-dimensional or confined environments. Within this realm of cell motility, cytokines, growth factors, and their receptors are crucial for engaging signaling pathways, which both mediate crosstalk between cancer, stromal, and immune cells in addition to interactions with the surrounding microenvironment. Recently, the study of the mechanical biology of tumor cells, stromal cells and the mechanics of the microenvironment have emerged as important themes in driving invasion and metastasis. While current anti-melanoma therapies target either the MAPK signaling pathway or immune checkpoints, there are no drugs available that specifically inhibit motility and thus invasion and dissemination of melanoma cells during metastasis. One of the reasons for the lack of so-called "migrastatics" is that, despite decades of research, the precise biology of metastatic disease is still not fully understood. Metastatic disease has been traditionally lumped into a single classification, however what is now emergent is that the biology of melanoma metastasis is highly diverse, heterogeneous and exceedingly dynamic-suggesting that not all cases are created equal. The following mini-review discusses melanoma heterogeneity in the context of the emergent theme of mechanobiology and how it influences the tumor-stroma crosstalk during metastasis. Thus, highlighting future therapeutic options for migrastatics and mechanomedicines in the prevention and treatment of metastatic melanoma.
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Affiliation(s)
- Robert J. Ju
- The University of Queensland, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD, Australia
| | - Samantha J. Stehbens
- The University of Queensland, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD, Australia
| | - Nikolas K. Haass
- The University of Queensland, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD, Australia
- Discipline of Dermatology, University of Sydney, Sydney, NSW, Australia
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320
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Dorani F, Hu T, Woods MO, Zhai G. Ensemble learning for detecting gene-gene interactions in colorectal cancer. PeerJ 2018; 6:e5854. [PMID: 30397551 PMCID: PMC6211269 DOI: 10.7717/peerj.5854] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 09/28/2018] [Indexed: 11/20/2022] Open
Abstract
Colorectal cancer (CRC) has a high incident rate in both men and women and is affecting millions of people every year. Genome-wide association studies (GWAS) on CRC have successfully revealed common single-nucleotide polymorphisms (SNPs) associated with CRC risk. However, they can only explain a very limited fraction of the disease heritability. One reason may be the common uni-variable analyses in GWAS where genetic variants are examined one at a time. Given the complexity of cancers, the non-additive interaction effects among multiple genetic variants have a potential of explaining the missing heritability. In this study, we employed two powerful ensemble learning algorithms, random forests and gradient boosting machine (GBM), to search for SNPs that contribute to the disease risk through non-additive gene-gene interactions. We were able to find 44 possible susceptibility SNPs that were ranked most significant by both algorithms. Out of those 44 SNPs, 29 are in coding regions. The 29 genes include ARRDC5, DCC, ALK, and ITGA1, which have been found previously associated with CRC, and E2F3 and NID2, which are potentially related to CRC since they have known associations with other types of cancer. We performed pairwise and three-way interaction analysis on the 44 SNPs using information theoretical techniques and found 17 pairwise (p < 0.02) and 16 three-way (p ≤ 0.001) interactions among them. Moreover, functional enrichment analysis suggested 16 functional terms or biological pathways that may help us better understand the etiology of the disease.
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Affiliation(s)
- Faramarz Dorani
- Department of Computer Science, Memorial University, St. John's, Newfoundland and Labrador, Canada
| | - Ting Hu
- Department of Computer Science, Memorial University, St. John's, Newfoundland and Labrador, Canada
| | - Michael O Woods
- Faculty of Medicine, Memorial University, St. John's, Newfoundland and Labrador, Canada
| | - Guangju Zhai
- Faculty of Medicine, Memorial University, St. John's, Newfoundland and Labrador, Canada
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321
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Feinberg TY, Zheng H, Liu R, Wicha MS, Yu SM, Weiss SJ. Divergent Matrix-Remodeling Strategies Distinguish Developmental from Neoplastic Mammary Epithelial Cell Invasion Programs. Dev Cell 2018; 47:145-160.e6. [PMID: 30269950 PMCID: PMC6317358 DOI: 10.1016/j.devcel.2018.08.025] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 06/19/2018] [Accepted: 08/28/2018] [Indexed: 02/07/2023]
Abstract
Metastasizing breast carcinoma cells have been hypothesized to mobilize tissue-invasive activity by co-opting the proteolytic systems employed by normal mammary epithelial cells undergoing branching morphogenesis. However, the critical effectors underlying morphogenesis remain unidentified, and their relationship to breast cancer invasion programs is yet to be established. Here, we identify the membrane-anchored matrix metalloproteinase, Mmp14/MT1-MMP, but not the closely related proteinase Mmp15/MT2-MMP, as the dominant proteolytic effector of both branching morphogenesis and carcinoma cell invasion in vivo. Unexpectedly, however, epithelial cell-specific targeting of Mmp14/MT1-MMP in the normal mammary gland fails to impair branching, whereas deleting the proteinase in carcinoma cells abrogates invasion, preserves matrix architecture, and completely blocks metastasis. By contrast, in the normal mammary gland, extracellular matrix remodeling and morphogenesis are ablated only when Mmp14/MT1-MMP expression is specifically deleted from the periductal stroma. Together, these findings uncover the overlapping but divergent strategies that underlie developmental versus neoplastic matrix remodeling programs.
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Affiliation(s)
- Tamar Y Feinberg
- Division of Molecular Medicine and Genetics, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Department of Internal Medicine, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Life Sciences Institute, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
| | - Huarui Zheng
- Division of Molecular Medicine and Genetics, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Department of Internal Medicine, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Life Sciences Institute, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA
| | - Rui Liu
- Division of Molecular Medicine and Genetics, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Department of Internal Medicine, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Life Sciences Institute, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA
| | - Max S Wicha
- Department of Internal Medicine, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - S Michael Yu
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Stephen J Weiss
- Division of Molecular Medicine and Genetics, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Department of Internal Medicine, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Life Sciences Institute, University of Michigan, 5000 LSI, 210 Washtenaw, Ann Arbor, MI 48109-2216, USA; Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA.
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322
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Moriarty RA, Stroka KM. Physical confinement alters sarcoma cell cycle progression and division. Cell Cycle 2018; 17:2360-2373. [PMID: 30304981 PMCID: PMC6237433 DOI: 10.1080/15384101.2018.1533776] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/18/2018] [Accepted: 10/03/2018] [Indexed: 10/28/2022] Open
Abstract
Tumor cells experience physical confinement on one or multiple axes, both in the primary tumor and at multiple stages during metastasis. Recent work has shown that confinement in a 3D spheroid alters nucleus geometry and delays cell division, and that vertical confinement impairs mitotic spindle rounding, resulting in abnormal division events. Meanwhile, the effects of bi-axial confinement on cell cycle progression has received little attention. Given the critical role of nuclear shape and mechanics in cell division, we hypothesized that bi-axial physical confinement of the cell body and nucleus would alter cell cycle progression. We used sarcoma cells stably expressing the fluorescence ubiquitination cell cycle indicator (FUCCI), along with fibronectin-coated microchannel devices, and explored the impact of bi-axial physical confinement on cell cycle progression. Our results demonstrate that bi-axial physical confinement reduces the frequency of cell division, which we found to be attributed to an arrest in the S/G2/M phase of the cell cycle, and increases the frequency of abnormal division events. Cell and nuclear morphology were both altered in confinement, with the most confining channels preventing cells from undergoing the normal increase in size from G1 to S/G2/M during cell cycle progression. Finally, our results suggest that confinement induces a mechanical memory to the cells, given our observation of lasting effects on cell division and morphology, even after cells exited confinement. Together, our results provide new insights into the possible impact of mechanical forces on primary and secondary tumor formation and growth.
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Affiliation(s)
- Rebecca A. Moriarty
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Kimberly M. Stroka
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
- Biophysics Program, University of Maryland, College Park, MD, USA
- Center for Stem Cell Biology and Regenerative Medicine, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, MD, USA
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323
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Sales A, Picart C, Kemkemer R. Age-dependent migratory behavior of human endothelial cells revealed by substrate microtopography. Exp Cell Res 2018; 374:1-11. [PMID: 30342990 DOI: 10.1016/j.yexcr.2018.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 10/12/2018] [Accepted: 10/15/2018] [Indexed: 01/07/2023]
Abstract
Cell migration is part of many important in vivo biological processes and is influenced by chemical and physical factors such as substrate topography. Although the migratory behavior of different cell types on structured substrates has already been investigated, up to date it is largely unknown if specimen's age affects cell migration on structures. In this work, we investigated age-dependent migratory behavior of human endothelial cells from young (≤ 31 years old) and old (≥ 60 years old) donors on poly(dimethylsiloxane) microstructured substrates consisting of well-defined parallel grooves. We observed a decrease in cell migration velocity in all substrate conditions and in persistence length perpendicular to the grooves in cells from old donors. Nevertheless, in comparison to young cells, old cells exhibited a higher cell directionality along grooves of certain depths and a higher persistence time. We also found a systematic decrease of donor age-dependent responses of cell protrusions in orientation, velocity and length, all of them decreased in old cells. These observations lead us to hypothesize a possible impairment of actin cytoskeleton network and affected actin polymerization and steering systems, caused by aging.
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Affiliation(s)
- Adrià Sales
- Max Planck Institute for Intelligent Systems, Department of New Materials and Biosystems, Heisenbergstrasse 3, 70569 Stuttgart, Germany.
| | - Catherine Picart
- Centre National de la Recherche Scientifique UMR 5628, Laboratoire des Matériaux et du Génie Physique, Institute of Technology, 38016 Grenoble, France
| | - Ralf Kemkemer
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Heidelberg, Germany; Reutlingen University, 72762 Reutlingen, Germany.
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324
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Panagiotakopoulou M, Lendenmann T, Pramotton FM, Giampietro C, Stefopoulos G, Poulikakos D, Ferrari A. Cell cycle-dependent force transmission in cancer cells. Mol Biol Cell 2018; 29:2528-2539. [PMID: 30113874 PMCID: PMC6254576 DOI: 10.1091/mbc.e17-12-0726] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 08/02/2018] [Accepted: 08/08/2018] [Indexed: 12/28/2022] Open
Abstract
The generation of traction forces and their transmission to the extracellular environment supports the disseminative migration of cells from a primary tumor. In cancer cells, the periodic variation of nuclear stiffness during the cell cycle provides a functional link between efficient translocation and proliferation. However, the mechanical framework completing this picture remains unexplored. Here, the Fucci2 reporter was expressed in various human epithelial cancer cells to resolve their cell cycle phase transition. The corresponding tractions were captured by a recently developed reference-free confocal traction-force microscopy platform. The combined approach was conducive to the analysis of phase-dependent force variation at the level of individual integrin contacts. Detected forces were invariably higher in the G1 and early S phases than in the ensuing late S/G2, and locally colocalized with high levels of paxillin phosphorylation. Perturbation of paxillin phosphorylation at focal adhesions, obtained through the biochemical inhibition of focal adhesion kinase (FAK) or the transfection of nonphosphorylatable or phosphomimetic paxillin mutants, significantly diminished the force transmitted to the substrate. These data demonstrate a reproducible modulation of force transmission during the cell cycle progression of cancer cells, instrumental to their invasion of dense environments. In addition, they delineate a model in which paxillin phosphorylation supports the mechanical maturation of adhesions relaying forces to the substrate.
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Affiliation(s)
- Magdalini Panagiotakopoulou
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Tobias Lendenmann
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Francesca Michela Pramotton
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Costanza Giampietro
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Georgios Stefopoulos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Aldo Ferrari
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
- Institute for Mechanical Systems, ETH Zurich, CH-8092 Zürich, Switzerland
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
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325
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Lechuga S, Amin PH, Wolen AR, Ivanov AI. Adducins inhibit lung cancer cell migration through mechanisms involving regulation of cell-matrix adhesion and cadherin-11 expression. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1866:395-408. [PMID: 30290240 DOI: 10.1016/j.bbamcr.2018.10.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 09/16/2018] [Accepted: 10/01/2018] [Indexed: 12/31/2022]
Abstract
Cell migration is a critical mechanism controlling tissue morphogenesis, epithelial wound healing and tumor metastasis. Migrating cells depend on orchestrated remodeling of the plasma membrane and the underlying actin cytoskeleton, which is regulated by the spectrin-adducin-based membrane skeleton. Expression of adducins is altered during tumorigenesis, however, their involvement in metastatic dissemination of tumor cells remains poorly characterized. This study investigated the roles of α-adducin (ADD1) and γ-adducin (ADD3) in regulating migration and invasion of non-small cell lung cancer (NSCLC) cells. ADD1 was mislocalized, whereas ADD3 was markedly downregulated in NSCLC cells with the invasive mesenchymal phenotype. CRISPR/Cas9-mediated knockout of ADD1 and ADD3 in epithelial-type NSCLC and normal bronchial epithelial cells promoted their Boyden chamber migration and Matrigel invasion. Furthermore, overexpression of ADD1, but not ADD3, in mesenchymal-type NSCLC cells decreased cell migration and invasion. ADD1-overexpressing NSCLC cells demonstrated increased adhesion to the extracellular matrix (ECM), accompanied by enhanced assembly of focal adhesions and hyperphosphorylation of Src and paxillin. The increased adhesiveness and decreased motility of ADD1-overexpressing cells were reversed by siRNA-mediated knockdown of Src. By contrast, the accelerated migration of ADD1 and ADD3-depleted NSCLC cells was ECM adhesion-independent and was driven by the upregulated expression of pro-motile cadherin-11. Overall, our findings reveal a novel function of adducins as negative regulators of NSCLC cell migration and invasion, which could be essential for limiting lung cancer progression and metastasis.
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Affiliation(s)
- Susana Lechuga
- Department of Inflammation and Immunity, Lerner Research Institute of Cleveland Clinic Foundation, Cleveland, OH 44195, United States of America; Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23298, United States of America
| | - Parth H Amin
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23298, United States of America
| | - Aaron R Wolen
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23298, United States of America
| | - Andrei I Ivanov
- Department of Inflammation and Immunity, Lerner Research Institute of Cleveland Clinic Foundation, Cleveland, OH 44195, United States of America; Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23298, United States of America.
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326
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Mierke CT, Sauer F, Grosser S, Puder S, Fischer T, Käs JA. The two faces of enhanced stroma: Stroma acts as a tumor promoter and a steric obstacle. NMR IN BIOMEDICINE 2018; 31:e3831. [PMID: 29215759 DOI: 10.1002/nbm.3831] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 07/24/2017] [Accepted: 08/16/2017] [Indexed: 06/07/2023]
Abstract
In addition to genetic, morphological and biochemical alterations in cells, a key feature of the malignant progression of cancer is the stroma, including cancer cell motility as well as the emergence of metastases. Our current knowledge with regard to the biophysically driven experimental approaches of cancer progression indicates that mechanical aberrations are major contributors to the malignant progression of cancer. In particular, the mechanical probing of the stroma is of great interest. However, the impact of the tumor stroma on cellular motility, and hence the metastatic cascade leading to the malignant progression of cancer, is controversial as there are two different and opposing effects within the stroma. On the one hand, the stroma can promote and enhance the proliferation, survival and migration of cancer cells through mechanotransduction processes evoked by fiber alignment as a result of increased stroma rigidity. This enables all types of cancer to overcome restrictive biological capabilities. On the other hand, as a result of its structural constraints, the stroma acts as a steric obstacle for cancer cell motility in dense three-dimensional extracellular matrices, when the pore size is smaller than the cell's nucleus. The mechanical properties of the stroma, such as the tissue matrix stiffness and the entire architectural network of the stroma, are the major players in providing the optimal environment for cancer cell migration. Thus, biophysical methods determining the mechanical properties of the stroma, such as magnetic resonance elastography, are critical for the diagnosis and prediction of early cancer stages. Fibrogenesis and cancer are tightly connected, as there is an elevated risk of cancer on cystic fibrosis or, subsequently, cirrhosis. This also applies to the subsequent metastatic process.
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Affiliation(s)
- Claudia Tanja Mierke
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
| | - Frank Sauer
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Soft Matter Physics Division, University of Leipzig, Leipzig, Germany
| | - Steffen Grosser
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Soft Matter Physics Division, University of Leipzig, Leipzig, Germany
| | - Stefanie Puder
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
| | - Tony Fischer
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
| | - Josef Alfons Käs
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Soft Matter Physics Division, University of Leipzig, Leipzig, Germany
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327
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Hu J, Zhou Y, Obayemi JD, Du J, Soboyejo WO. An investigation of the viscoelastic properties and the actin cytoskeletal structure of triple negative breast cancer cells. J Mech Behav Biomed Mater 2018; 86:1-13. [DOI: 10.1016/j.jmbbm.2018.05.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 05/17/2018] [Accepted: 05/28/2018] [Indexed: 12/30/2022]
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328
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Fang JH, Zhang ZJ, Shang LR, Luo YW, Lin YF, Yuan Y, Zhuang SM. Hepatoma cell-secreted exosomal microRNA-103 increases vascular permeability and promotes metastasis by targeting junction proteins. Hepatology 2018; 68:1459-1475. [PMID: 29637568 DOI: 10.1002/hep.29920] [Citation(s) in RCA: 238] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 03/20/2018] [Accepted: 03/30/2018] [Indexed: 12/11/2022]
Abstract
UNLABELLED Increased vascular permeability facilitates metastasis. Emerging evidence indicates that secreted microRNAs (miRNAs) may mediate the crosstalk between cancer and stromal cells. To date, whether and how secreted miRNAs affect vascular permeability remains unclear. Based on deep sequencing and quantitative PCR, we found that higher level of serum miR-103 was associated with higher metastasis potential of hepatocellular carcinoma (HCC). The in vitro endothelial permeability and transendothelial invasion assays revealed that the conditioned media or exosomes derived from high miR-103-expressing hepatoma cells increased the permeability of endothelial monolayers, but this effect was attenuated if exosome secretion of hepatoma cells was blocked by silencing ALIX and HRS or if miR-103 within hepatoma or endothelial cells was antagonized. Most importantly, pretreating endothelial monolayers with exosomes that were from stable miR-103-expressing hepatoma cells facilitated the transendothelial invasion of tumor cells, and this role of exosomes was abrogated by inhibiting miR-103 in endothelial cells. Further in vivo analyses disclosed that mice with xenografts of stable miR-103-expressing hepatoma cells exhibited higher vascular permeability in tumor, higher level of exosomal miR-103 and greater number of tumor cells in blood circulation, and increased rates of hepatic and pulmonary metastases, compared to control mice. Mechanism investigations revealed that hepatoma cell-secreted miR-103 could be delivered into endothelial cells via exosomes, and then attenuated the endothelial junction integrity by directly inhibiting the expression of VE-Cadherin (VE-Cad), p120-catenin (p120) and zonula occludens 1. Moreover, miR-103 could also promote tumor cell migration by repressing p120 expression in hepatoma cells. CONCLUSION Hepatoma cell-secreted exosomal miR-103 increases vascular permeability and promotes tumor metastasis by targeting multiple endothelial junction proteins, which highlights secreted miR-103 as a potential therapeutic target and a predictive marker for HCC metastasis. (Hepatology 2018).
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Affiliation(s)
- Jian-Hong Fang
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zi-Jun Zhang
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China
| | - Li-Ru Shang
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yu-Wei Luo
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yi-Fang Lin
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yunfei Yuan
- Department of Hepatobilliary Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
| | - Shi-Mei Zhuang
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, Guangzhou, China.,Key Laboratory of Liver Disease of Guangdong Province, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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329
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Danielsson F, Peterson MK, Caldeira Araújo H, Lautenschläger F, Gad AKB. Vimentin Diversity in Health and Disease. Cells 2018; 7:E147. [PMID: 30248895 PMCID: PMC6210396 DOI: 10.3390/cells7100147] [Citation(s) in RCA: 157] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/16/2018] [Accepted: 09/17/2018] [Indexed: 12/11/2022] Open
Abstract
Vimentin is a protein that has been linked to a large variety of pathophysiological conditions, including cataracts, Crohn's disease, rheumatoid arthritis, HIV and cancer. Vimentin has also been shown to regulate a wide spectrum of basic cellular functions. In cells, vimentin assembles into a network of filaments that spans the cytoplasm. It can also be found in smaller, non-filamentous forms that can localise both within cells and within the extracellular microenvironment. The vimentin structure can be altered by subunit exchange, cleavage into different sizes, re-annealing, post-translational modifications and interacting proteins. Together with the observation that different domains of vimentin might have evolved under different selection pressures that defined distinct biological functions for different parts of the protein, the many diverse variants of vimentin might be the cause of its functional diversity. A number of review articles have focussed on the biology and medical aspects of intermediate filament proteins without particular commitment to vimentin, and other reviews have focussed on intermediate filaments in an in vitro context. In contrast, the present review focusses almost exclusively on vimentin, and covers both ex vivo and in vivo data from tissue culture and from living organisms, including a summary of the many phenotypes of vimentin knockout animals. Our aim is to provide a comprehensive overview of the current understanding of the many diverse aspects of vimentin, from biochemical, mechanical, cellular, systems biology and medical perspectives.
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Affiliation(s)
- Frida Danielsson
- Science for Life Laboratory, Royal Institute of Technology, 17165 Stockholm, Sweden.
| | | | | | - Franziska Lautenschläger
- Campus D2 2, Leibniz-Institut für Neue Materialien gGmbH (INM) and Experimental Physics, NT Faculty, E 2 6, Saarland University, 66123 Saarbrücken, Germany.
| | - Annica Karin Britt Gad
- Centro de Química da Madeira, Universidade da Madeira, 9020105 Funchal, Portugal.
- Department of Medical Biochemistry and Microbiology, Uppsala University, 75237 Uppsala, Sweden.
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330
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Tasdemir N, Bossart EA, Li Z, Zhu L, Sikora MJ, Levine KM, Jacobsen BM, Tseng GC, Davidson NE, Oesterreich S. Comprehensive Phenotypic Characterization of Human Invasive Lobular Carcinoma Cell Lines in 2D and 3D Cultures. Cancer Res 2018; 78:6209-6222. [PMID: 30228172 DOI: 10.1158/0008-5472.can-18-1416] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/15/2018] [Accepted: 09/14/2018] [Indexed: 12/26/2022]
Abstract
Invasive lobular carcinoma (ILC) is the second most common subtype of breast cancer following invasive ductal carcinoma (IDC) and characterized by the loss of E-cadherin-mediated adherens junctions. Despite displaying unique histologic and clinical features, ILC still remains a chronically understudied disease, with limited knowledge gleaned from available laboratory research models. Here we report a comprehensive 2D and 3D phenotypic characterization of four estrogen receptor-positive human ILC cell lines: MDA-MB-134, SUM44, MDA-MB-330, and BCK4. Compared with the IDC cell lines MCF7, T47D, and MDA-MB-231, ultra-low attachment culture conditions revealed remarkable anchorage independence unique to ILC cells, a feature not evident in soft-agar gels. Three-dimensional Collagen I and Matrigel culture indicated a generally loose morphology for ILC cell lines, which exhibited differing preferences for adhesion to extracellular matrix proteins in 2D. Furthermore, ILC cells were limited in their ability to migrate and invade in wound-scratch and transwell assays, with the exception of haptotaxis to Collagen I. Transcriptional comparison of these cell lines confirmed the decreased cell proliferation and E-cadherin-mediated intercellular junctions in ILC while uncovering the induction of novel pathways related to cyclic nucleotide phosphodiesterase activity, ion channels, drug metabolism, and alternative cell adhesion molecules such as N-cadherin, some of which were differentially regulated in ILC versus IDC tumors. Altogether, these studies provide an invaluable resource for the breast cancer research community and facilitate further functional discoveries toward understanding ILC, identifying novel drug targets, and ultimately improving the outcome of patients with ILC.Significance: These findings provide the breast cancer research community with a comprehensive assessment of human invasive lobular carcinoma (ILC) cell line signaling and behavior in various culture conditions, aiding future endeavors to develop therapies and to ultimately improve survival in patients with ILC. Cancer Res; 78(21); 6209-22. ©2018 AACR.
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Affiliation(s)
- Nilgun Tasdemir
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Emily A Bossart
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Zheqi Li
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Li Zhu
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Matthew J Sikora
- Dept. of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Kevin M Levine
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Britta M Jacobsen
- Dept. of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - George C Tseng
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Computational & Systems Biology, Pittsburgh, Pennsylvania
| | - Nancy E Davidson
- Fred Hutchinson Cancer Center, Seattle, Washington.,University of Washington, Seattle, Washington
| | - Steffi Oesterreich
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania. .,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
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331
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Sierra-López F, Baylón-Pacheco L, Espíritu-Gordillo P, Lagunes-Guillén A, Chávez-Munguía B, Rosales-Encina JL. Influence of Micropatterned Grill Lines on Entamoeba histolytica Trophozoites Morphology and Migration. Front Cell Infect Microbiol 2018; 8:295. [PMID: 30197879 PMCID: PMC6117912 DOI: 10.3389/fcimb.2018.00295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 08/02/2018] [Indexed: 12/28/2022] Open
Abstract
Entamoeba histolytica, the causal agent of human amoebiasis, has two morphologically different phases: a resistant cyst and a trophozoite responsible for the invasion of the host tissues such as the colonic mucosa and the intestinal epithelium. During in vitro migration, trophozoites usually produce protuberances such as pseudopods and rarely filopodia, structures that have been observed in the interaction of trophozoites with human colonic epithelial tissue. To study the different membrane projections produced by the trophozoites, including pseudopods, filopodia, uropods, blebs, and others, we designed an induction system using erythrocyte extract or fibronectin (FN) in micropatterned grill lines (each micro-line containing multiple micro-portions of FN or erythrocyte extract) on which the trophozoites were placed in culture for migration assays. Using light, confocal, and scanning electron microscopy, we established that E. histolytica trophozoites frequently produce short and long filopodia, large retractile uropods in the rear, pseudopods, blebs, and others structures, also showing continuous migration periods. The present study provides a simple migration method to induce trophozoites to generate abundant membrane protrusion structures that are rarely obtained in normal or induced cultures, such as long filopodia; this method will allow a–better understanding of the interactions of trophozoites with FN and cell debris. E. histolytica trophozoites motility plays an important role in invasive amoebiasis. It has been proposed that both physical forces and chemical signals are involved in the trophozoite motility and migration. However, the in vivo molecules that drive the chemotactic migration remain to be determined. We propose the present assay to study host molecules that guide chemotactic behavior because the method is highly reproducible, and a live image of cell movement and migration can be quantified.
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Affiliation(s)
- Francisco Sierra-López
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Lidia Baylón-Pacheco
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Patricia Espíritu-Gordillo
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Anel Lagunes-Guillén
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Bibiana Chávez-Munguía
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - José L Rosales-Encina
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
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332
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Li C, Yu J, Paine P, Juang DS, Berry SM, Beebe DJ. Double-exclusive liquid repellency (double-ELR): an enabling technology for rare phenotype analysis. LAB ON A CHIP 2018; 18:2710-2719. [PMID: 30069559 PMCID: PMC6402335 DOI: 10.1039/c8lc00584b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Double-exclusive liquid repellency (double-ELR) is an extreme wettability phenomenon in which adjacent regions selectively and completely repel immiscible liquids with different surface chemistries on a non-textured substrate (i.e., a substrate in absence of micro/nano-structures). Under double-ELR conditions, each liquid exhibits no physical contact (contact angle of 180°) with its non-preferred surface chemistry, thus enabling complete partitioning of adjacent fluidic volumes (e.g., between water and oil). This enables a new type of cell culture-based assay, where cell loss from common failure modes (e.g., biofouling from inadvertent cell adhesion, detrimental moisture loss/gain, and liquid handling dead volumes) is significantly mitigated. Importantly, the principles of double-ELR were leveraged to achieve underoil sweep patterning, a no-loss, robust and high-throughput distribution of sub-microliter volumes of aqueous media (and cells). In addition to high-efficiency distribution via sweep patterning, double-ELR can be used to construct "modular" (i.e., easily implemented and/or linked together with spatial and temporal control) higher-order architectures for in vitro imitation of physiologically relevant microenvironments that are of particular interest within the cell assay community, including multi-phenotype cultures with excellent spatial and temporal control, three-dimensional layered multi-phenotype cultures, cultures with selective mechanical cues of extracellular matrix (i.e., collagen fiber alignment), and spheroid cultures. Together, these features of double-ELR uniquely facilitate culture and high content analysis of limited cellular samples (e.g., a few hundred to a few thousand cells).
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Affiliation(s)
- Chao Li
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53705, USA.
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333
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Ranasinghe SL, Boyle GM, Fischer K, Potriquet J, Mulvenna JP, McManus DP. Kunitz type protease inhibitor EgKI-1 from the canine tapeworm Echinococcus granulosus as a promising therapeutic against breast cancer. PLoS One 2018; 13:e0200433. [PMID: 30169534 PMCID: PMC6118354 DOI: 10.1371/journal.pone.0200433] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 08/06/2018] [Indexed: 12/21/2022] Open
Abstract
EgKI-1, a member of the Kunitz type protease inhibitor family, is highly expressed by the oncosphere of the canine tapeworm Echinococcus granulosus, the stage that is infectious to humans and ungulates, giving rise to a hydatid cyst localized to the liver and other organs. Larval protoscoleces, which develop within the hydatid cyst, have been shown to possess anti-cancer properties, although the precise molecules involved have not been identified. We show that recombinant EgKI-1 inhibits the growth and migration of a range of human cancers including breast, melanoma and cervical cancer cell lines in a dose-dependent manner in vitro without affecting normal cell growth. Furthermore, EgKI-1 treatment arrested the cancer cell growth by disrupting the cell cycle and induced apoptosis of cancer cells in vitro. An in vivo model of triple negative breast cancer (MDA-MB-231) in BALB/c nude mice showed significant tumor growth reduction in EgKI-1-treated mice compared with controls. These findings indicate that EgKI-1 shows promise for future development as an anti-cancer therapeutic.
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Affiliation(s)
- Shiwanthi L. Ranasinghe
- Molecular Parasitology Laboratory, Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
- * E-mail:
| | - Glen M. Boyle
- Cancer Drug Mechanisms Group, Cell & Molecular Biology Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Katja Fischer
- Scabies Group, Cell & Molecular Biology Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Jeremy Potriquet
- Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, Australia
| | - Jason P. Mulvenna
- Biomarkers and Biology of Infection Related Cancers Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Donald P. McManus
- Molecular Parasitology Laboratory, Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
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334
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Pham QL, Rodrigues LN, Maximov MA, Chandran VD, Bi C, Chege D, Dijamco T, Stein E, Tong NAN, Basuray S, Voronov RS. Cell Sequence and Mitosis Affect Fibroblast Directional Decision-Making During Chemotaxis in Microfluidic Mazes. Cell Mol Bioeng 2018; 11:483-494. [PMID: 31719895 DOI: 10.1007/s12195-018-0551-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 08/21/2018] [Indexed: 01/25/2023] Open
Abstract
Introduction Directed fibroblast migration is central to highly proliferative processes in regenerative medicine and developmental biology. However, the mechanisms by which single fibroblasts affect each other's directional decisions, while chemotaxing in microscopic pores, are not well understood. Methods We explored effects of cell sequence and mitosis on fibroblast platelet-derived growth factor-BB (PDGF-BB)-induced migration in microfluidic mazes with two possible through paths: short and long. Additionally, image-based modeling of the chemoattractant's diffusion, consumption and decay, was used to explain the experimental observations. Results It both cases, the cells displayed behavior that is contradictory to expectation based on the global chemoattractant gradient pre-established in the maze. In case of the sequence, the cells tend to alternate when faced with a bifurcation: if a leading cell takes the shorter (steeper gradient) path, the cell following it chooses the longer (weaker gradient) path, and vice versa. Image-based modeling of the process showed that the local PDGF-BB consumption by the individual fibroblasts may be responsible for this phenomenon. Additionally, it was found that when a mother cell divides, its two daughters go in opposite directions (even if it means migrating against the chemoattractant gradient and overcoming on-going cell traffic). Conclusions It is apparent that micro-confined fibroblasts modify each other's directional decisions in a manner that is counter-intuitive to what is expected from classical chemotaxis theory. Consequently, accounting for these effects could lead to a better understanding of tissue generation in vivo, and result in more advanced engineered tissue products in vitro.
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Affiliation(s)
- Quang Long Pham
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Lydia N Rodrigues
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Max A Maximov
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Vishnu Deep Chandran
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Cheng Bi
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - David Chege
- Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Timothy Dijamco
- Computer Science Dept., New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Elisabeth Stein
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Nhat Anh Nguyen Tong
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Sagnik Basuray
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
| | - Roman S Voronov
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, NJ 07102 USA
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335
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Wang X, Jodoin E, Jorgensen J, Lee J, Markmann JJ, Cataltepe S, Irimia D. Progressive mechanical confinement of chemotactic neutrophils induces arrest, oscillations, and retrotaxis. J Leukoc Biol 2018; 104:1253-1261. [PMID: 30129679 DOI: 10.1002/jlb.5ta0318-110rrr] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 07/18/2018] [Accepted: 07/19/2018] [Indexed: 12/25/2022] Open
Abstract
Neutrophils reach the sites of inflammation and infection in a timely manner by navigating efficiently through mechanically complex interstitial spaces, following the guidance of chemical gradients. However, our understanding of how neutrophils that follow chemical cues overcome mechanical obstacles in their path is restricted by the limitations of current experimental systems. Observations in vivo provide limited insights due to the complexity of the tissue environment. Here, we developed microfluidic devices to study the effect of progressive mechanical confinement on the migration patterns of human neutrophils toward chemical attractants. Using these devices, we identified four migration patterns: arrest, oscillation, retrotaxis, and persistent migration. The proportion of these migration patterns is different in patients receiving immunosuppressant treatments after kidney transplant, patients in critical care, and neonatal patients with infections and is distinct from that in healthy donors. The occurrence of these migration patterns is independent of the nuclear lobe number of the neutrophils and depends on the integrity of their cytoskeletal components. Our study highlights the important role of mechanical cues in moving neutrophils and suggests the mechanical constriction-induced migration patterns as potential markers for infection and inflammation.
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Affiliation(s)
- Xiao Wang
- Department of Surgery, BioMEMS Resource Center, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital, Boston, Massachusetts, USA
| | - Emily Jodoin
- Department of Surgery, BioMEMS Resource Center, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital, Boston, Massachusetts, USA
| | - Julianne Jorgensen
- Department of Surgery, BioMEMS Resource Center, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital, Boston, Massachusetts, USA
| | - Jarone Lee
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - James J Markmann
- Department of Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Sule Cataltepe
- Division of Transplantation, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Daniel Irimia
- Department of Surgery, BioMEMS Resource Center, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital, Boston, Massachusetts, USA
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336
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Gritsenko PG, Friedl P. Adaptive adhesion systems mediate glioma cell invasion in complex environments. J Cell Sci 2018; 131:jcs216382. [PMID: 29991514 PMCID: PMC6104823 DOI: 10.1242/jcs.216382] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 07/02/2018] [Indexed: 12/12/2022] Open
Abstract
Diffuse brain invasion by glioma cells prevents effective surgical or molecular-targeted therapy and underlies a detrimental outcome. Migrating glioma cells are guided by complex anatomical brain structures but the exact mechanisms remain poorly defined. To identify adhesion receptor systems and matrix structures supporting glioma cell invasion into brain-like environments we used 2D and 3D organotypic invasion assays in combination with antibody-, peptide- and RNA-based interference. Combined interference with β1 and αV integrins abolished the migration of U-251 and E-98 glioma cells on reconstituted basement membrane; however, invasion into primary brain slices or 3D astrocyte-based scaffolds and migration on astrocyte-deposited matrix was only partly inhibited. Any residual invasion was supported by vascular structures, as well as laminin 511, a central constituent of basement membrane of brain blood vessels. Multi-targeted interference against β1, αV and α6 integrins expressed by U-251 and E-98 cells proved insufficient to achieve complete migration arrest. These data suggest that mechanocoupling by integrins is relatively resistant to antibody- or peptide-based targeting, and cooperates with additional, as yet unidentified adhesion systems in mediating glioma cell invasion in complex brain stroma.
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Affiliation(s)
- Pavlo G Gritsenko
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, 6525 GA Nijmegen, The Netherlands
| | - Peter Friedl
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, 6525 GA Nijmegen, The Netherlands
- David H. Koch Center for Applied Research of Genitourinary Cancers, Department of Genitourinary Medical Oncology, The University of Texas, MD Anderson Cancer Center, Houston, 77030 Texas, USA
- Cancer Genomics Centre (CGC.nl), 3584 Utrecht, The Netherlands
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337
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Vang Mouritzen M, Jenssen H. Optimized Scratch Assay for In Vitro Testing of Cell Migration with an Automated Optical Camera. J Vis Exp 2018. [PMID: 30148500 DOI: 10.3791/57691] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Cell migration is an important process that influences many aspects of health, such as wound healing and cancer, and it is, therefore, crucial for developing methods to study the migration. The scratch assay has long been the most common in vitro method to test compounds with anti- and pro-migration properties because of its low cost and simple procedure. However, an often-reported problem of the assay is the accumulation of cells across the edge of the scratch. Furthermore, to obtain data from the assay, images of different exposures must be taken over a period of time at the exact same spot to compare the movements of the migration. Different analysis programs can be used to describe the scratch closure, but they are labor intensive, inaccurate, and forces cycles of temperature changes. In this study, we demonstrate an optimized method for testing the migration effect, e.g. with the naturally occurring proteins Human- and Bovine-Lactoferrin and their N-terminal peptide Lactoferricin on the epithelial cell line HaCaT. A crucial optimization is to wash and scratch in PBS, which eliminates the aforementioned accumulation of cells along the edge. This could be explained by the removal of cations, which have been shown to have an effect on keratinocyte cell-cell connection. To ensure true detection of migration, pre-treating with mitomycin C, a DNA synthesis inhibitor, was added to the protocol. Finally, we demonstrate the automated optical camera, which eliminates excessive temperature cycles, manual labor with scratch closure analysis, while improving on reproducibility and ensuring analysis of identical sections of the scratch over time.
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Affiliation(s)
| | - Håvard Jenssen
- Department of Science and Environment, Roskilde University;
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338
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Becker LM, LeBleu VS. Endoglin Targeting in Colorectal Tumor Microenvironment. Clin Cancer Res 2018; 24:6110-6111. [DOI: 10.1158/1078-0432.ccr-18-2023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 07/24/2018] [Accepted: 08/01/2018] [Indexed: 11/16/2022]
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339
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Bao M, Xie J, Huck WTS. Recent Advances in Engineering the Stem Cell Microniche in 3D. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800448. [PMID: 30128252 PMCID: PMC6096985 DOI: 10.1002/advs.201800448] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/01/2018] [Indexed: 05/18/2023]
Abstract
Conventional 2D cell culture techniques have provided fundamental insights into key biochemical and biophysical mechanisms responsible for various cellular behaviors, such as cell adhesion, spreading, division, proliferation, and differentiation. However, 2D culture in vitro does not fully capture the physical and chemical properties of the native microenvironment. There is a growing body of research that suggests that cells cultured on 2D substrates differ greatly from those grown in vivo. This article focuses on recent progress in using bioinspired 3D matrices that recapitulate as many aspects of the natural extracellular matrix as possible. A range of techniques for the engineering of 3D microenvironment with precisely controlled biophysical and chemical properties, and the impact of these environments on cellular behavior, is reviewed. Finally, an outlook on future challenges for engineering the 3D microenvironment and how such approaches would further our understanding of the influence of the microenvironment on cell function is provided.
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Affiliation(s)
- Min Bao
- Institute for Molecules and MaterialsRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
| | - Jing Xie
- Institute for Molecules and MaterialsRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
| | - Wilhelm T. S. Huck
- Institute for Molecules and MaterialsRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
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340
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Krol I, Castro-Giner F, Maurer M, Gkountela S, Szczerba BM, Scherrer R, Coleman N, Carreira S, Bachmann F, Anderson S, Engelhardt M, Lane H, Evans TRJ, Plummer R, Kristeleit R, Lopez J, Aceto N. Detection of circulating tumour cell clusters in human glioblastoma. Br J Cancer 2018; 119:487-491. [PMID: 30065256 PMCID: PMC6134152 DOI: 10.1038/s41416-018-0186-7] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 06/12/2018] [Accepted: 06/25/2018] [Indexed: 12/31/2022] Open
Abstract
Human glioblastoma (GBM) is a highly aggressive, invasive and hypervascularised malignant brain cancer. Individual circulating tumour cells (CTCs) are sporadically found in GBM patients, yet it is unclear whether multicellular CTC clusters are generated in this disease and whether they can bypass the physical hurdle of the blood-brain barrier. Here, we assessed CTC presence and composition at multiple time points in 13 patients with progressing GBM during an open-label phase 1/2a study with the microtubule inhibitor BAL101553. We observe CTC clusters ranging from 2 to 23 cells and present at multiple sampling time points in a GBM patient with pleomorphism and extensive necrosis, throughout disease progression. Exome sequencing of GBM CTC clusters highlights variants in 58 cancer-associated genes including ATM, PMS2, POLE, APC, XPO1, TFRC, JAK2, ERBB4 and ALK. Together, our findings represent the first evidence of the presence of CTC clusters in GBM.
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Affiliation(s)
- Ilona Krol
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland
| | - Francesc Castro-Giner
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Martina Maurer
- Basilea Pharmaceutica International Ltd., CH-4058, Basel, Switzerland
| | - Sofia Gkountela
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland
| | - Barbara Maria Szczerba
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland
| | - Ramona Scherrer
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland
| | - Niamh Coleman
- Drug Development Unit, The Royal Marsden Hospital and The Institute of Cancer Research, London, UK
| | - Suzanne Carreira
- Drug Development Unit, The Royal Marsden Hospital and The Institute of Cancer Research, London, UK
| | - Felix Bachmann
- Basilea Pharmaceutica International Ltd., CH-4058, Basel, Switzerland
| | | | - Marc Engelhardt
- Basilea Pharmaceutica International Ltd., CH-4058, Basel, Switzerland
| | - Heidi Lane
- Basilea Pharmaceutica International Ltd., CH-4058, Basel, Switzerland
| | | | - Ruth Plummer
- Northern Centre for Cancer Care, Newcastle upon Tyne, UK
| | | | - Juanita Lopez
- Drug Development Unit, The Royal Marsden Hospital and The Institute of Cancer Research, London, UK
| | - Nicola Aceto
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel and University Hospital Basel, CH-4058, Basel, Switzerland.
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341
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Campbell EJ, Bagchi P. A computational model of amoeboid cell motility in the presence of obstacles. SOFT MATTER 2018; 14:5741-5763. [PMID: 29873659 DOI: 10.1039/c8sm00457a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Locomotion of amoeboid cells is mediated by finger-like protrusions of the cell body, known as pseudopods, which grow, bifurcate, and retract in a dynamic fashion. Pseudopods are the primary mode of locomotion for many cells within the human body, such as leukocytes, embryonic cells, and metastatic cancer cells. Amoeboid motility is a complex and multiscale process, which involves bio-molecular reactions, cell deformation, and cytoplasmic and extracellular fluid motion. Additionally, cells within the human body are subject to a confined 3D environment known as the extra-cellular matrix (ECM), which resembles a fluid-filled porous medium. In this article, we present a 3D, multiphysics computational approach coupling fluid mechanics, solid mechanics, and a pattern formation model to simulate locomotion of amoeboid cells through a porous matrix composed of a viscous fluid and an array of finite-sized spherical obstacles. The model combines reaction-diffusion of activator/inhibitors, extreme deformation of the cell, pseudopod dynamics, cytoplasmic and extracellular fluid motion, and fully resolved extracellular matrix. A surface finite-element method is used to obtain the cell deformation and activator/inhibitor concentrations, while the fluid motion is solved using a combined finite-volume and spectral method. The immersed-boundary methods are used to couple the cell deformation, obstacles, and fluid. The model is able to recreate squeezing and weaving motion of cells through the matrix. We study the influence of matrix porosity, obstacle size, and cell deformability on the motility behavior. It is found that below certain values of these parameters, cell motion is completely inhibited. Phase diagrams are presented depicting such motility limits. Interesting dynamics seen in the presence of obstacles but absent in unconfined medium, such as freezing or cell arrest, probing, doubling-back, and tug-of-war are predicted. Furthermore, persistent unidirectional motion of cells that is often observed in an unconfined medium is shown to be lost in presence of obstacles, and is attributed to an alteration of the pseudopod dynamics. The same mechanism, however, allows the cell to find a new direction to penetrate further into the matrix without being stuck in one place. The results and analysis presented here show a strong coupling between cell deformability and ECM properties, and provide new fluid mechanical insights on amoeboid motility in confined medium.
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Affiliation(s)
- Eric J Campbell
- Mechanical and Aerospace Engineering Department, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA.
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342
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Tokuo H, Bhawan J, Coluccio LM. Myosin X is required for efficient melanoblast migration and melanoma initiation and metastasis. Sci Rep 2018; 8:10449. [PMID: 29993000 PMCID: PMC6041326 DOI: 10.1038/s41598-018-28717-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 06/15/2018] [Indexed: 12/20/2022] Open
Abstract
Myosin X (Myo10), an actin-associated molecular motor, has a clear role in filopodia induction and cell migration in vitro, but its role in vivo in mammals is not well understood. Here, we investigate the role of Myo10 in melanocyte lineage and melanoma induction. We found that Myo10 knockout (Myo10KO) mice exhibit a white spot on their belly caused by reduced melanoblast migration. Myo10KO mice crossed with available mice that conditionally express in melanocytes the BRAFV600E mutation combined with Pten silencing exhibited reduced melanoma development and metastasis, which extended medial survival time. Knockdown of Myo10 (Myo10kd) in B16F1 mouse melanoma cell lines decreased lung colonization after tail-vein injection. Myo10kd also inhibited long protrusion (LP) formation by reducing the transportation of its cargo molecule vasodilator-stimulated phosphoprotein (VASP) to the leading edge of migrating cells. These findings provide the first genetic evidence for the involvement of Myo10 not only in melanoblast migration, but also in melanoma development and metastasis.
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Affiliation(s)
- Hiroshi Tokuo
- Department of Physiology & Biophysics, Boston University School of Medicine, Boston, MA, 02118, USA.
| | - Jag Bhawan
- Department of Dermatology, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Lynne M Coluccio
- Department of Physiology & Biophysics, Boston University School of Medicine, Boston, MA, 02118, USA
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343
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Wadkin LE, Orozco-Fuentes S, Neganova I, Swan G, Laude A, Lako M, Shukurov A, Parker NG. Correlated random walks of human embryonic stem cells in vitro. Phys Biol 2018; 15:056006. [DOI: 10.1088/1478-3975/aac008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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344
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Chen J, Weihs D, Van Dijk M, Vermolen FJ. A phenomenological model for cell and nucleus deformation during cancer metastasis. Biomech Model Mechanobiol 2018; 17:1429-1450. [PMID: 29845458 PMCID: PMC6154301 DOI: 10.1007/s10237-018-1036-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 05/21/2018] [Indexed: 12/21/2022]
Abstract
Cell migration plays an essential role in cancer metastasis. In cancer invasion through confined spaces, cells must undergo extensive deformation, which is a capability related to their metastatic potentials. Here, we simulate the deformation of the cell and nucleus during invasion through a dense, physiological microenvironment by developing a phenomenological computational model. In our work, cells are attracted by a generic emitting source (e.g., a chemokine or stiffness signal), which is treated by using Green’s Fundamental solutions. We use an IMEX integration method where the linear parts and the nonlinear parts are treated by using an Euler backward scheme and an Euler forward method, respectively. We develop the numerical model for an obstacle-induced deformation in 2D or/and 3D. Considering the uncertainty in cell mobility, stochastic processes are incorporated and uncertainties in the input variables are evaluated using Monte Carlo simulations. This quantitative study aims at estimating the likelihood for invasion and the length of the time interval in which the cell invades the tissue through an obstacle. Subsequently, the two-dimensional cell deformation model is applied to simplified cancer metastasis processes to serve as a model for in vivo or in vitro biomedical experiments.
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Affiliation(s)
- Jiao Chen
- Delft Institute of Applied Mathematics, Delft University of Technology, Delft, The Netherlands.
| | - Daphne Weihs
- Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, 3200003, Haifa, Israel
| | - Marcel Van Dijk
- Delft Institute of Applied Mathematics, Delft University of Technology, Delft, The Netherlands
| | - Fred J Vermolen
- Delft Institute of Applied Mathematics, Delft University of Technology, Delft, The Netherlands
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345
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K15 Protein of Kaposi's Sarcoma Herpesviruses Increases Endothelial Cell Proliferation and Migration through Store-Operated Calcium Entry. Viruses 2018; 10:v10060282. [PMID: 29795033 PMCID: PMC6024707 DOI: 10.3390/v10060282] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 05/06/2018] [Accepted: 05/09/2018] [Indexed: 01/11/2023] Open
Abstract
Kaposi's sarcoma (KS) is a tumor of the vascular endothelium that is caused by Kaposi's sarcoma-associated herpesvirus (KSHV). K15 of KSHV is a specific gene encoding a transmembrane protein. Two highly different forms of K15, the predominant (K15P) and minor (K15M) have been identified in different KSHV strains. In genomic locations and protein topology, two K15 alleles resemble the latent membrane protein (LMP) 1 and LMP2A of Epstein⁻Barr virus. Both K15 proteins have motifs similar to those found in LMP1 and LMP2A. K15 therefore seems to be a hybrid of a distant evolutionary relative of LMP1 and LMP2A. Ca2+ is a second messenger and participates in numerous activities in cells, like proliferation, migration and metastasis. It has been found previously that LMP1 increased Ca2+ influx through store-operated calcium channels and blockade of LMP1 reduced store-operated Ca2+ entry (SOCE). LMP2A has similar activity. So we sought to determine whether K15 had similar activity. We showed that K15P induced Ca2+ influx and enhanced expression of Orail1, which is a vital protein in SOCE, and overexpression of K15P improved cell motility. Mutant K15P did not show these activities in HEK-293T and EA.hy 926 cells. Our results showed that K15P increased cell proliferation and migration though SOCE and established a novel mechanism for the development of KS and KSHV-associated diseases.
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Abstract
Time series generated by complex systems like financial markets and the earth’s atmosphere often represent superstatistical random walks: on short time scales, the data follow a simple low-level model, but the model parameters are not constant and can fluctuate on longer time scales according to a high-level model. While the low-level model is often dictated by the type of the data, the high-level model, which describes how the parameters change, is unknown in most cases. Here we present a computationally efficient method to infer the time course of the parameter variations from time-series with short-range correlations. Importantly, this method evaluates the model evidence to objectively select between competing high-level models. We apply this method to detect anomalous price movements in financial markets, characterize cancer cell invasiveness, identify historical policies relevant for working safety in coal mines, and compare different climate change scenarios to forecast global warming. Systematic changes in stock market prices or in the migration behaviour of cancer cells may be hidden behind random fluctuations. Here, Mark et al. describe an empirical approach to identify when and how such real-world systems undergo systematic changes.
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347
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Ganier O, Schnerch D, Oertle P, Lim RY, Plodinec M, Nigg EA. Structural centrosome aberrations promote non-cell-autonomous invasiveness. EMBO J 2018; 37:embj.201798576. [PMID: 29567643 PMCID: PMC5920242 DOI: 10.15252/embj.201798576] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/14/2018] [Accepted: 02/27/2018] [Indexed: 12/12/2022] Open
Abstract
Centrosomes are the main microtubule‐organizing centers of animal cells. Although centrosome aberrations are common in tumors, their consequences remain subject to debate. Here, we studied the impact of structural centrosome aberrations, induced by deregulated expression of ninein‐like protein (NLP), on epithelial spheres grown in Matrigel matrices. We demonstrate that NLP‐induced structural centrosome aberrations trigger the escape (“budding”) of living cells from epithelia. Remarkably, all cells disseminating into the matrix were undergoing mitosis. This invasive behavior reflects a novel mechanism that depends on the acquisition of two distinct properties. First, NLP‐induced centrosome aberrations trigger a re‐organization of the cytoskeleton, which stabilizes microtubules and weakens E‐cadherin junctions during mitosis. Second, atomic force microscopy reveals that cells harboring these centrosome aberrations display increased stiffness. As a consequence, mitotic cells are pushed out of mosaic epithelia, particularly if they lack centrosome aberrations. We conclude that centrosome aberrations can trigger cell dissemination through a novel, non‐cell‐autonomous mechanism, raising the prospect that centrosome aberrations contribute to the dissemination of metastatic cells harboring normal centrosomes.
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Affiliation(s)
| | | | - Philipp Oertle
- Biozentrum, University of Basel, Basel, Switzerland.,Swiss Nanoscience Institute, University of Basel, Basel, Switzerland
| | - Roderick Yh Lim
- Biozentrum, University of Basel, Basel, Switzerland.,Swiss Nanoscience Institute, University of Basel, Basel, Switzerland
| | - Marija Plodinec
- Biozentrum, University of Basel, Basel, Switzerland.,Swiss Nanoscience Institute, University of Basel, Basel, Switzerland
| | - Erich A Nigg
- Biozentrum, University of Basel, Basel, Switzerland
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348
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Shukla VC, Kuang TR, Senthilvelan A, Higuita-Castro N, Duarte-Sanmiguel S, Ghadiali SN, Gallego-Perez D. Lab-on-a-Chip Platforms for Biophysical Studies of Cancer with Single-Cell Resolution. Trends Biotechnol 2018; 36:549-561. [PMID: 29559164 DOI: 10.1016/j.tibtech.2018.02.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 02/15/2018] [Accepted: 02/16/2018] [Indexed: 12/14/2022]
Abstract
Recent cancer research has more strongly emphasized the biophysical aspects of tumor development, progression, and microenvironment. In addition to genetic modifications and mutations in cancer cells, it is now well accepted that the physical properties of cancer cells such as stiffness, electrical impedance, and refractive index vary with tumor progression and can identify a malignant phenotype. Moreover, cancer heterogeneity renders population-based characterization techniques inadequate, as individual cellular features are lost in the average. Hence, platforms for fast and accurate characterization of biophysical properties of cancer cells at the single-cell level are required. Here, we highlight some of the recent advances in the field of cancer biophysics and the development of lab-on-a-chip platforms for single-cell biophysical analyses of cancer cells.
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Affiliation(s)
- Vasudha C Shukla
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine and Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA; Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH 43210, USA; These authors contributed equally to this work
| | - Tai-Rong Kuang
- The Key Laboratory of Polymer Processing Engineering of Ministry of Education, South China University of Technology, Guangzhou 510640, P.R. China; These authors contributed equally to this work.
| | - Abirami Senthilvelan
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Natalia Higuita-Castro
- Department of Internal Medicine (Division of Pulmonary, Critical Care and Sleep Medicine), Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA; Department of Surgery, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Silvia Duarte-Sanmiguel
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH 43210, USA; Department of Human Sciences (Human Nutrition), College of Human Ecology, The Ohio State University, Columbus, OH 43210, USA
| | - Samir N Ghadiali
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH 43210, USA; Department of Internal Medicine (Division of Pulmonary, Critical Care and Sleep Medicine), Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Daniel Gallego-Perez
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH 43210, USA; Department of Surgery, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
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349
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Green BJ, Panagiotakopoulou M, Pramotton FM, Stefopoulos G, Kelley SO, Poulikakos D, Ferrari A. Pore Shape Defines Paths of Metastatic Cell Migration. NANO LETTERS 2018; 18:2140-2147. [PMID: 29480726 DOI: 10.1021/acs.nanolett.8b00431] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Invasion of dense tissues by cancer cells involves the interplay between the penetration resistance offered by interstitial pores and the deformability of cells. Metastatic cancer cells find optimal paths of minimal resistance through an adaptive path-finding process, which leads to successful dissemination. The physical limit of nuclear deformation is related to the minimal cross section of pores that can be successfully penetrated. However, this single biophysical parameter does not fully describe the architectural complexity of tissues featuring pores of variable area and shape. Here, employing laser nanolithography, we fabricate pore microenvironment models with well-controlled pore shapes, through which human breast cells (MCF10A) and their metastatic offspring (MCF10CA1a.cl1) could pervade. In these experimental settings, we demonstrate that the actual pore shape, and not only the cross section, is a major and independent determinant of cancer penetration efficiency. In complex architectures containing pores demanding large deformations from invading cells, tall and narrow rectangular openings facilitate cancer migration. In addition, we highlight the characteristic traits of the explorative behavior enabling metastatic cells to identify and select such pore shapes in a complex multishape pore environment, pinpointing paths of least resistance to invasion.
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Affiliation(s)
- Brenda J Green
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
- Institute of Biomaterials and Biomedical Engineering and Department of Pharmaceutical Sciences , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
| | - Magdalini Panagiotakopoulou
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
| | - Francesca Michela Pramotton
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
| | - Georgios Stefopoulos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
| | - Shana O Kelley
- Institute of Biomaterials and Biomedical Engineering and Department of Pharmaceutical Sciences , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
| | - Aldo Ferrari
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering , ETH Zurich , Sonneggstrasse 3 , CH-8092 Zurich , Switzerland
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350
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Ma D, Wang R, Chen S, Luo T, Chow YT, Sun D. Microfluidic platform for probing cancer cells migration property under periodic mechanical confinement. BIOMICROFLUIDICS 2018; 12:024118. [PMID: 29755635 PMCID: PMC5924377 DOI: 10.1063/1.5030135] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/17/2018] [Indexed: 05/04/2023]
Abstract
Cancer cell migration and invasion, which are involved in tumour metastasis, are hard to predict and control. Numerous studies have demonstrated that physical cues influence cancer cell migration and affect tumour metastasis. In this study, we proposed the use of a microchannel chip equipped with a number of vertical constrictions to produce periodic compression forces on cells passing through narrow channels. The chip with repeated vertical confinement was applied on adherent MHCC-97L liver cancer cells and suspended OCI-AML leukaemia cells to determine the migration ability of these cancer cells. Given the stimulation of the periodic mechanical confinement on-chip, the migration ability of cancer cells was promoted. Moreover, the migration speed increased as the stimulation was enhanced. Both AFM nanoindentation and optical stretching tests on cancer cells were performed to measure their mechanical property. After confinement stimulation, the cancer cells possessed higher deformability and lower stiffness than non-stimulating cells. The confinement stimulation altered the cell cytoskeleton, which governs the migration speed. This phenomenon was determined through gene expression analysis. The proposed on-chip cell migration assays will help characterise the migration property of cancer cells and benefit the development of new therapeutic strategies for metastasis.
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Affiliation(s)
- Dongce Ma
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Ran Wang
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Shuxun Chen
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Tao Luo
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Yu-Ting Chow
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Dong Sun
- Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
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