Development of an Acellular Tumor Extracellular Matrix as a Three-Dimensional Scaffold for Tumor Engineering
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{"title"=>"Development of an acellular tumor extracellular matrix as a three-dimensional scaffold for tumor engineering", "type"=>"journal", "authors"=>[{"first_name"=>"Wei Dong", "last_name"=>"Lü", "scopus_author_id"=>"55484289600"}, {"first_name"=>"Lei", "last_name"=>"Zhang", "scopus_author_id"=>"57196126490"}, {"first_name"=>"Chun Lin", "last_name"=>"Wu", "scopus_author_id"=>"55642608800"}, {"first_name"=>"Zhi Gang", "last_name"=>"Liu", "scopus_author_id"=>"56298022400"}, {"first_name"=>"Guang Yan", "last_name"=>"Lei", "scopus_author_id"=>"12787261200"}, {"first_name"=>"Jia", "last_name"=>"Liu", "scopus_author_id"=>"57196289138"}, {"first_name"=>"Wei", "last_name"=>"Gao", "scopus_author_id"=>"56766321600"}, {"first_name"=>"Ye Rong", "last_name"=>"Hu", "scopus_author_id"=>"35237223700"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"373644936", "issn"=>"19326203", "isbn"=>"3026516538", "doi"=>"10.1371/journal.pone.0103672", "scopus"=>"2-s2.0-84904961478", "pmid"=>"25072252", "sgr"=>"84904961478"}, "id"=>"2e15cf25-2697-30c4-a87e-0c1eeda63db8", "abstract"=>"Tumor engineering is defined as the construction of three-dimensional (3D) tumors in vitro with tissue engineering approaches. The present 3D scaffolds for tumor engineering have several limitations in terms of structure and function. To get an ideal 3D scaffold for tumor culture, A549 human pulmonary adenocarcinoma cells were implanted into immunodeficient mice to establish xenotransplatation models. Tumors were retrieved at 30-day implantation and sliced into sheets. They were subsequently decellularized by four procedures. Two decellularization methods, Tris-Trypsin-Triton multi-step treatment and sodium dodecyl sulfate (SDS) treatment, achieved complete cellular removal and thus were chosen for evaluation of histological and biochemical properties. Native tumor tissues were used as controls. Human breast cancer MCF-7 cells were cultured onto the two 3D scaffolds for further cell growth and growth factor secretion investigations, with the two-dimensional (2D) culture and cells cultured onto the Matrigel scaffolds used as controls. Results showed that Tris-Trypsin-Triton multi-step treated tumor sheets had well-preserved extracellular matrix structures and components. Their porosity was increased but elastic modulus was decreased compared with the native tumor samples. They supported MCF-7 cell repopulation and proliferation, as well as expression of growth factors. When cultured within the Tris-Trypsin-Triton treated scaffold, A549 cells and human colorectal adenocarcinoma cells (SW-480) had similar behaviors to MCF-7 cells, but human esophageal squamous cell carcinoma cells (KYSE-510) had a relatively slow cell repopulation rate. This study provides evidence that Tris-Trypsin-Triton treated acellular tumor extracellular matrices are promising 3D scaffolds with ideal spatial arrangement, biomechanical properties and biocompatibility for improved modeling of 3D tumor microenvironments.", "link"=>"http://www.mendeley.com/research/development-acellular-tumor-extracellular-matrix-threedimensional-scaffold-tumor-engineering", "reader_count"=>50, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>2, "Researcher"=>13, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>10, "Student > Master"=>12, "Student > Bachelor"=>5, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>2, "Researcher"=>13, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>10, "Student > Master"=>12, "Student > Bachelor"=>5, "Professor"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>6, "Unspecified"=>5, "Biochemistry, Genetics and Molecular Biology"=>9, "Nursing and Health Professions"=>1, "Materials Science"=>1, "Agricultural and Biological Sciences"=>16, "Medicine and Dentistry"=>10, "Pharmacology, Toxicology and Pharmaceutical Science"=>1, "Veterinary Science and Veterinary Medicine"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>6}, "Materials Science"=>{"Materials Science"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>10}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>16}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>9}, "Unspecified"=>{"Unspecified"=>5}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>1}}, "reader_count_by_country"=>{"United States"=>5, "Brazil"=>1, "Germany"=>1, "Spain"=>2}, "group_count"=>1}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1613608"], "description"=>"<p>Human pulmonary adenocarcinoma A549 cells were implanted in severe combined immunodeficiency (SCID) mice to form solid tumors. Note tumor volumes increased over time, with about 600 mm<sup>3</sup> at 30-day implantation and about 4000 mm<sup>3</sup> at 60-day implantation.</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "a549", "derived"], "article_id"=>1121228, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g001"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Growth_curve_of_A549_cell_derived_tumors_/1121228", "title"=>"Growth curve of A549 cell derived tumors.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613616"], "description"=>"<p>(A) Gross appearance showing solid and opaque for native and PAA treated tumor samples but translucent for Trypsin-Triton, Tris-Trypsin-Triton and SDS treated samples. (B) Hematoxylin–eosin (H&E) and (C) Hoechst staining showing complete cellular removal for Tris-Trypsin-Triton treated or SDS treated samples compared with samples of the other three groups. (D) Immunohistochemical staining for CK7 and (E) α-SMA showing complete removal of epithelial and mesenchymal cell components for Tris-Trypsin-Triton treated or SDS treated samples compared with samples of the other three groups. (F) DNA content analysis of native, PAA, Trypsin-Triton, Tris-Trypsin-Triton and SDS treated tumor samples. All presented results were mean ± SD (n = 10, *p<0.05 versus the native group; †p<0.05 versus the PAA group; #p<0.05 versus the Trypsin-Triton group).</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "tris-trypsin-triton", "sds", "treated", "samples", "compared"], "article_id"=>1121236, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g002"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cellular_removal_evaluation_for_PAA_Trypsin_Triton_Tris_Trypsin_Triton_and_SDS_treated_samples_compared_with_the_native_samples_/1121236", "title"=>"Cellular removal evaluation for PAA, Trypsin-Triton, Tris-Trypsin-Triton and SDS treated samples compared with the native samples.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613626"], "description"=>"<p>(A) Scanning electron microscopy (SEM) examination for Tris-Trypsin-Triton treated and SDS treated samples showing lack of cellular components and having more open spaces than the native samples. (B) Collagen fibril stained by Masson's trichrome showing similar distribution of collagen fibrils for Tris-Trypsin-Triton treated samples but more sparse distribution of collagen fibrils for SDS treated samples compared with the native samples. (C) Glycosaminoglycan (GAG) staining with Scott's alcian blue presenting mostly retaining of GAGs for Tris-Trypsin-Triton treated sheets but less GAGs for SDS treated sheets compared with their native counterparts. (D) Collagen and (E) GAG content analysis of native, Tris-Trypsin-Triton treated and SDS treated tumor sheets. All presented results were mean ± SD (n = 10, *p<0.05 versus the native group; †p<0.05 versus the Tris-Trypsin-Triton group).</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "matrix", "tris-trypsin-triton", "treated", "sds"], "article_id"=>1121245, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g003"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Extracellular_matrix_ECM_structure_and_component_investigation_of_native_Tris_Trypsin_Triton_treated_and_SDS_treated_tumor_sheets_/1121245", "title"=>"Extracellular matrix (ECM) structure and component investigation of native, Tris-Trypsin-Triton treated and SDS treated tumor sheets.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613629"], "description"=>"<p>(A) Increase of porosity for Tris-Trypsin-Triton treated or SDS treated samples compared with the native samples. (B) Separation of stress-strain curves for the three groups. (C) Less elastic moduli shown for Tris-Trypsin-Triton treated or SDS treated tumor sheets compared with the native samples. All presented results were mean ± SD (n = 6 for porosity test and n = 10 for biomechanical test, *p<0.05 versus the native group; †p<0.05 versus the Tris-Trypsin-Triton group).</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "biomechanical", "tris-trypsin-triton", "treated", "sds"], "article_id"=>1121248, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g004"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Porosities_and_biomechanical_tests_of_native_Tris_Trypsin_Triton_treated_and_SDS_treated_tumor_sheets_/1121248", "title"=>"Porosities and biomechanical tests of native, Tris-Trypsin-Triton treated and SDS treated tumor sheets.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613631"], "description"=>"<p>(A) Cell viability detected by MTT assay for MCF-7 cells cultured in 2D, Matrigel, Tris-Trypsin-Triton and SDS group over time. (B) Growth factor (IL-8, bFGF, and VEGF) secretion determined by ELISA assay for MCF-7 cells cultured in 2D, Matrigel, Tris-Trypsin-Triton and SDS group at 10-day culture. Graph represents mean ± SD of three independent experiments (n = 5 for MTT assay and n = 7 for growth factor secretion assay,*p<0.05 versus the 2D culture; †p<0.05 versus the Matrigel culture; #p<0.05 versus the Tris-Trypsin-Triton group).</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "viability", "secretion", "assays", "cancer", "mcf-7"], "article_id"=>1121250, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g005"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cell_viability_and_growth_factor_secretion_assays_for_breast_cancer_MCF_7_cells_/1121250", "title"=>"Cell viability and growth factor secretion assays for breast cancer MCF-7 cells.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613641"], "description"=>"<p>(A) Representative images of MCF-7 cells grown in 2D culture, showing more and denser cells over time. (B) MCF-7 cells cultured in the Matrigel group, showing formation and enlargement of multicellular tumor spheroids (MCTS) over time and the growth pattern looked like the classic “growth on top” method. (C) MCF-7 cells cultured in the Tris-Trypsin-Triton group, showing gradual decrease of the light transmittance of scaffolds. (D) MCF-7 cells cultured in the SDS group, also showing gradual decrease of the light transmittance of scaffolds, but presenting more transmittance of light at each time point compared with the Tris-Trypsin-Triton treated scaffolds.</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "microscopy", "mcf-7", "cells", "cultured", "2d", "3d", "scaffolds"], "article_id"=>1121260, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g006"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Representative_light_microscopy_of_MCF_7_cells_cultured_in_2D_and_different_3D_scaffolds_over_time_/1121260", "title"=>"Representative light microscopy of MCF-7 cells cultured in 2D and different 3D scaffolds over time.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613647"], "description"=>"<p>(A) Representative photomicrographs of MCF-7 cells grown in 2D culture, showing great increasing of dead cells from 4- to 13-day culture. Note CFDA-SE stained viable cells green and PI stained dead cells red. (B) MCF-7 cells cultured in the Matrigel group, showing distribution of dead cells in the core of MCTS. (C) MCF-7 cells cultured in the Tris-Trypsin-Triton group, showing higher proportion of live cells at 7-, 10- and 13-day culture and formation of cell clusters at 13-day culture (arrowhead). (D) MCF-7 cells cultured in the SDS group, showing more dead cells but less live cells compared with the Tris-Trypsin-Triton treated scaffolds at 7-, 10- and 13-day culture.</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "fluorescence", "microscopic", "images", "mcf-7", "cells", "double-stained", "cfda-se", "pi", "2d", "3d", "scaffolds"], "article_id"=>1121266, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g007"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Representative_fluorescence_microscopic_images_of_MCF_7_cells_double_stained_by_CFDA_SE_and_PI_for_2D_and_different_3D_scaffolds_over_time_/1121266", "title"=>"Representative fluorescence microscopic images of MCF-7 cells double-stained by CFDA-SE and PI for 2D and different 3D scaffolds over time.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613651"], "description"=>"<p>(A) MCF-7 cells cultured in the Tris-Trypsin-Triton group, showing increase of cell numbers and infiltration depths over time. (B) MCF-7 cells cultured in the SDS group, showing less cell numbers and infiltration depths compared with the Tris-Trypsin-Triton treated scaffolds at 7-, 10- and 13-day culture.</p>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "histological", "cross-sections", "mcf-7", "cells", "repopulated", "acellular", "scaffolds"], "article_id"=>1121270, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.g008"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_H_amp_E_stained_histological_cross_sections_of_MCF_7_cells_repopulated_in_the_two_acellular_scaffolds_over_time_/1121270", "title"=>"H&E-stained histological cross-sections of MCF-7 cells repopulated in the two acellular scaffolds over time.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-07-29 03:08:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/1613653", "https://ndownloader.figshare.com/files/1613654"], "description"=>"<div><p>Tumor engineering is defined as the construction of three-dimensional (3D) tumors <i>in vitro</i> with tissue engineering approaches. The present 3D scaffolds for tumor engineering have several limitations in terms of structure and function. To get an ideal 3D scaffold for tumor culture, A549 human pulmonary adenocarcinoma cells were implanted into immunodeficient mice to establish xenotransplatation models. Tumors were retrieved at 30-day implantation and sliced into sheets. They were subsequently decellularized by four procedures. Two decellularization methods, Tris-Trypsin-Triton multi-step treatment and sodium dodecyl sulfate (SDS) treatment, achieved complete cellular removal and thus were chosen for evaluation of histological and biochemical properties. Native tumor tissues were used as controls. Human breast cancer MCF-7 cells were cultured onto the two 3D scaffolds for further cell growth and growth factor secretion investigations, with the two-dimensional (2D) culture and cells cultured onto the Matrigel scaffolds used as controls. Results showed that Tris-Trypsin-Triton multi-step treated tumor sheets had well-preserved extracellular matrix structures and components. Their porosity was increased but elastic modulus was decreased compared with the native tumor samples. They supported MCF-7 cell repopulation and proliferation, as well as expression of growth factors. When cultured within the Tris-Trypsin-Triton treated scaffold, A549 cells and human colorectal adenocarcinoma cells (SW-480) had similar behaviors to MCF-7 cells, but human esophageal squamous cell carcinoma cells (KYSE-510) had a relatively slow cell repopulation rate. This study provides evidence that Tris-Trypsin-Triton treated acellular tumor extracellular matrices are promising 3D scaffolds with ideal spatial arrangement, biomechanical properties and biocompatibility for improved modeling of 3D tumor microenvironments.</p></div>", "links"=>[], "tags"=>["biotechnology", "Bioengineering", "Tissue engineering", "biomaterials", "cell biology", "Cellular structures and organelles", "Extracellular matrix", "Extracellular matrix composition", "Molecular cell biology", "Materials Science", "Material properties", "Mechanical properties", "Materials characterization", "Natural materials", "acellular", "extracellular", "matrix", "three-dimensional", "scaffold"], "article_id"=>1121272, "categories"=>["Biological Sciences"], "users"=>["Wei-Dong Lü", "Lei Zhang", "Chun-Lin Wu", "Zhi-Gang Liu", "Guang-Yan Lei", "Jia Liu", "Wei Gao", "Ye-Rong Hu"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0103672.s001", "https://dx.doi.org/10.1371/journal.pone.0103672.s002"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Development_of_an_Acellular_Tumor_Extracellular_Matrix_as_a_Three_Dimensional_Scaffold_for_Tumor_Engineering_/1121272", "title"=>"Development of an Acellular Tumor Extracellular Matrix as a Three-Dimensional Scaffold for Tumor Engineering", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2014-07-29 03:08:43"}

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Relative Metric

{"start_date"=>"2014-01-01T00:00:00Z", "end_date"=>"2014-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Medicine and health sciences/Endocrinology", "average_usage"=>[282, 453]}, {"subject_area"=>"/Medicine and health sciences/Oncology", "average_usage"=>[266]}, {"subject_area"=>"/Medicine and health sciences/Physiology", "average_usage"=>[278]}]}
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