Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2087890016', 'doi': 'https://doi.org/10.1016/0092-8674(85)90033-9', 'title': 'A significant part of macrophage-derived growth factor consists of at least two forms of PDGF', 'display_name': 'A significant part of macrophage-derived growth factor consists of at least two forms of PDGF', 'publication_year': 1985, 'publication_date': '1985-11-01', 'ids': {'openalex': 'https://openalex.org/W2087890016', 'doi': 'https://doi.org/10.1016/0092-8674(85)90033-9', 'mag': '2087890016', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/2416458'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0092-8674(85)90033-9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S110447773', 'display_name': 'Cell', 'issn_l': '0092-8674', 'issn': ['0092-8674', '1097-4172'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315673', 'host_organization_name': 'Cell Press', 'host_organization_lineage': ['https://openalex.org/P4310320990', 'https://openalex.org/P4310315673'], 'host_organization_lineage_names': ['Elsevier BV', 'Cell Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5002402320', 'display_name': 'Kentaro Shimokado', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Kentaro Shimokado', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5035813072', 'display_name': 'Elaine W. Raines', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Elaine W. Raines', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5037474143', 'display_name': 'David K. Madtes', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'David K. Madtes', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102811316', 'display_name': 'Thomas B. Barrett', 'orcid': 'https://orcid.org/0000-0002-5263-4318'}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Thomas B. Barrett', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5038517609', 'display_name': 'Earl P. Benditt', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Earl P. Benditt', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5015297493', 'display_name': 'Russell Ross', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Russell Ross', 'raw_affiliation_strings': ['Department of Pathology University of Washington Seattle, Washington 98195 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology University of Washington Seattle, Washington 98195 USA', 'institution_ids': ['https://openalex.org/I201448701']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5015297493'], 'corresponding_institution_ids': ['https://openalex.org/I201448701'], 'apc_list': {'value': 10100, 'currency': 'USD', 'value_usd': 10100, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 20.185, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 719, 'citation_normalized_percentile': {'value': 0.994245, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '43', 'issue': '1', 'first_page': '277', 'last_page': '286'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11313', 'display_name': 'Macrophage Activation and Polarization', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2403', 'display_name': 'Immunology'}, 'field': {'id': 'https://openalex.org/fields/24', 'display_name': 'Immunology and Microbiology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11313', 'display_name': 'Macrophage Activation and Polarization', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2403', 'display_name': 'Immunology'}, 'field': {'id': 'https://openalex.org/fields/24', 'display_name': 'Immunology and Microbiology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T13254', 'display_name': 'Role of Macrophage Migration Inhibitory Factor', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2403', 'display_name': 'Immunology'}, 'field': {'id': 'https://openalex.org/fields/24', 'display_name': 'Immunology and Microbiology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T11041', 'display_name': 'Ubiquitin-Proteasome Proteolytic Pathway', 'score': 0.9988, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/platelet-derived-growth-factor', 'display_name': 'Platelet-derived growth factor', 'score': 0.80510837}, {'id': 'https://openalex.org/keywords/immunoprecipitation', 'display_name': 'Immunoprecipitation', 'score': 0.63145673}, {'id': 'https://openalex.org/keywords/metabolism', 'display_name': 'Metabolism', 'score': 0.455172}], 'concepts': [{'id': 'https://openalex.org/C180361614', 'wikidata': 'https://www.wikidata.org/wiki/Q7202242', 'display_name': 'Platelet-derived growth factor receptor', 'level': 4, 'score': 0.87781346}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.810347}, {'id': 'https://openalex.org/C2781294074', 'wikidata': 'https://www.wikidata.org/wiki/Q22327352', 'display_name': 'Platelet-derived growth factor', 'level': 5, 'score': 0.80510837}, {'id': 'https://openalex.org/C2775960820', 'wikidata': 'https://www.wikidata.org/wiki/Q408378', 'display_name': 'Growth factor', 'level': 3, 'score': 0.7489226}, {'id': 'https://openalex.org/C71829478', 'wikidata': 'https://www.wikidata.org/wiki/Q901305', 'display_name': 'Immunoprecipitation', 'level': 3, 'score': 0.63145673}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.5983172}, {'id': 'https://openalex.org/C2779244956', 'wikidata': 'https://www.wikidata.org/wiki/Q184204', 'display_name': 'Macrophage', 'level': 3, 'score': 0.5805065}, {'id': 'https://openalex.org/C170493617', 'wikidata': 'https://www.wikidata.org/wiki/Q208467', 'display_name': 'Receptor', 'level': 2, 'score': 0.449905}, {'id': 'https://openalex.org/C81885089', 'wikidata': 'https://www.wikidata.org/wiki/Q189082', 'display_name': 'Cell culture', 'level': 2, 'score': 0.37787715}, {'id': 'https://openalex.org/C153911025', 'wikidata': 'https://www.wikidata.org/wiki/Q7202', 'display_name': 'Molecular biology', 'level': 1, 'score': 0.36520374}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.2714516}, {'id': 'https://openalex.org/C202751555', 'wikidata': 'https://www.wikidata.org/wiki/Q221681', 'display_name': 'In vitro', 'level': 2, 'score': 0.15433192}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.08749184}], 'mesh': [{'descriptor_ui': 'D006133', 'descriptor_name': 'Growth Substances', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': True}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000906', 'descriptor_name': 'Antibodies', 'qualifier_ui': 'Q000276', 'qualifier_name': 'immunology', 'is_major_topic': False}, {'descriptor_ui': 'D000906', 'descriptor_name': 'Antibodies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002478', 'descriptor_name': 'Cells, Cultured', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003208', 'descriptor_name': 'Concanavalin A', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003208', 'descriptor_name': 'Concanavalin A', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D003239', 'descriptor_name': 'Connective Tissue Cells', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003470', 'descriptor_name': 'Culture Media', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000939', 'descriptor_name': 'Epitopes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005796', 'descriptor_name': 'Genes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006133', 'descriptor_name': 'Growth Substances', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D006133', 'descriptor_name': 'Growth Substances', 'qualifier_ui': 'Q000276', 'qualifier_name': 'immunology', 'is_major_topic': False}, {'descriptor_ui': 'D006133', 'descriptor_name': 'Growth Substances', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008262', 'descriptor_name': 'Macrophage Activation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008264', 'descriptor_name': 'Macrophages', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008264', 'descriptor_name': 'Macrophages', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D051379', 'descriptor_name': 'Mice', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008934', 'descriptor_name': 'Mitogens', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008970', 'descriptor_name': 'Molecular Weight', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': 'Q000235', 'qualifier_name': 'genetics', 'is_major_topic': False}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D010982', 'descriptor_name': 'Platelet-Derived Growth Factor', 'qualifier_ui': 'Q000276', 'qualifier_name': 'immunology', 'is_major_topic': False}, {'descriptor_ui': 'D012333', 'descriptor_name': 'RNA, Messenger', 'qualifier_ui': 'Q000235', 'qualifier_name': 'genetics', 'is_major_topic': False}, {'descriptor_ui': 'D012333', 'descriptor_name': 'RNA, Messenger', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011956', 'descriptor_name': 'Receptors, Cell Surface', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011956', 'descriptor_name': 'Receptors, Cell Surface', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D017479', 'descriptor_name': 'Receptors, Platelet-Derived Growth Factor', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0092-8674(85)90033-9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S110447773', 'display_name': 'Cell', 'issn_l': '0092-8674', 'issn': ['0092-8674', '1097-4172'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315673', 'host_organization_name': 'Cell Press', 'host_organization_lineage': ['https://openalex.org/P4310320990', 'https://openalex.org/P4310315673'], 'host_organization_lineage_names': ['Elsevier BV', 'Cell Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/2416458', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.52}], 'grants': [{'funder': 'https://openalex.org/F4320332161', 'funder_display_name': 'National Institutes of Health', 'award_id': 'HL-18645'}], 'datasets': [], 'versions': [], 'referenced_works_count': 68, 'referenced_works': ['https://openalex.org/W1464779590', 'https://openalex.org/W1483807486', 'https://openalex.org/W1519494647', 'https://openalex.org/W1530612865', 'https://openalex.org/W1535615765', 'https://openalex.org/W1540784688', 'https://openalex.org/W1543283875', 'https://openalex.org/W1550447653', 'https://openalex.org/W1552571410', 'https://openalex.org/W1571209082', 'https://openalex.org/W1595723592', 'https://openalex.org/W1625660792', 'https://openalex.org/W165426504', 'https://openalex.org/W1869376589', 'https://openalex.org/W1957734831', 'https://openalex.org/W1963534846', 'https://openalex.org/W1981268312', 'https://openalex.org/W1982020713', 'https://openalex.org/W1982675479', 'https://openalex.org/W1983041452', 'https://openalex.org/W1983861608', 'https://openalex.org/W1989185036', 'https://openalex.org/W1991576569', 'https://openalex.org/W1993452556', 'https://openalex.org/W1995135269', 'https://openalex.org/W1995816295', 'https://openalex.org/W1999514574', 'https://openalex.org/W1999662119', 'https://openalex.org/W2002513158', 'https://openalex.org/W2009416998', 'https://openalex.org/W2013986489', 'https://openalex.org/W2017237635', 'https://openalex.org/W2025529909', 'https://openalex.org/W2049120863', 'https://openalex.org/W2050795431', 'https://openalex.org/W2057780760', 'https://openalex.org/W2062199482', 'https://openalex.org/W2063559195', 'https://openalex.org/W2066348646', 'https://openalex.org/W2067491836', 'https://openalex.org/W2068348059', 'https://openalex.org/W2076893265', 'https://openalex.org/W2076940976', 'https://openalex.org/W2078053961', 'https://openalex.org/W2081622052', 'https://openalex.org/W2084902432', 'https://openalex.org/W2088986997', 'https://openalex.org/W2092610683', 'https://openalex.org/W2094891357', 'https://openalex.org/W2100837269', 'https://openalex.org/W2101035519', 'https://openalex.org/W2116943620', 'https://openalex.org/W2118856655', 'https://openalex.org/W2129060900', 'https://openalex.org/W2154912685', 'https://openalex.org/W2156905839', 'https://openalex.org/W2165721443', 'https://openalex.org/W2171454988', 'https://openalex.org/W23257617', 'https://openalex.org/W2402153245', 'https://openalex.org/W2406982303', 'https://openalex.org/W2409355185', 'https://openalex.org/W2473765679', 'https://openalex.org/W3023039037', 'https://openalex.org/W3023642540', 'https://openalex.org/W41707389', 'https://openalex.org/W4206163632', 'https://openalex.org/W51309640'], 'related_works': ['https://openalex.org/W4283700508', 'https://openalex.org/W4232367895', 'https://openalex.org/W368310162', 'https://openalex.org/W2431952740', 'https://openalex.org/W2173917538', 'https://openalex.org/W2087890016', 'https://openalex.org/W2078751457', 'https://openalex.org/W1993789860', 'https://openalex.org/W1988539054', 'https://openalex.org/W1452374072'], 'abstract_inverted_index': {'The': [0, 115], 'macrophage': [1], 'has': [2], 'been': [3], 'suggested': [4], 'to': [5, 68, 74, 104, 111], 'be': [6], 'responsible': [7], 'for': [8, 35, 55, 108, 119], 'the': [9, 22, 52, 112, 120], 'connective': [10], 'tissue': [11], 'cell': [12], 'proliferation': [13], 'that': [14, 47], 'accompanies': [15], 'most': [16], 'chronic': [17], 'inflammatory': [18], 'responses.': [19], 'One': [20], 'of': [21, 25, 51, 87, 117, 123, 134, 144], 'secretory': [23], 'products': [24], 'activated': [26, 138], 'macrophages': [27, 65, 139], 'is': [28, 66, 125, 140], 'MDGF,': [29], 'a': [30, 48, 69], 'growth': [31, 76], 'factor': [32, 77], '(or': [33, 71], 'factors)': [34], 'fibroblasts,': [36], '3T3': [37, 56], 'cells,': [38], 'smooth': [39], 'muscle,': [40], 'and': [41, 63, 84, 102, 130], 'vascular': [42], 'endothelium.': [43], 'This': [44], 'report': [45], 'demonstrates': [46], 'significant': [49], 'portion': [50], 'mitogenic': [53], 'activity': [54], 'cells': [57], 'secreted': [58], 'by': [59, 94, 127, 137, 142], 'cultured': [60], 'human': [61], 'alveolar': [62], 'peritoneal': [64], 'due': [67], 'molecule': [70], 'molecules)': [72], 'similar': [73], 'platelet-derived': [75], '(PDGF).': [78], 'Two': [79], 'size': [80], 'classes': [81], '(approximately': [82], '37,000–39,000': [83], '12,000–17,000': [85], 'daltons)': [86], 'mitogenically': [88], 'active': [89], 'PDGF-like': [90], 'molecules': [91, 136], 'are': [92], 'detected': [93], 'two': [95], 'criteria': [96], '—': [97], 'antigenic': [98], 'similarity': [99], 'wity': [100], 'PDGF': [101, 113, 124], 'ability': [103], 'compete': [105], 'with': [106, 147], '125I-PDGF': [107], 'high-affinity': [109], 'binding': [110], 'receptor.': [114], 'presence': [116], 'mRNA': [118], 'B': [121], 'chain': [122], 'demonstrated': [126], 'Northern': [128], 'analysis,': [129], 'de': [131], 'novo': [132], 'synthesis': [133], 'these': [135], 'shown': [141], 'immunoprecipitation': [143], '35S-labeled': [145], 'proteins': [146], 'anti-PDGF': [148], 'IgG.': [149]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2087890016', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 6}, {'year': 2022, 'cited_by_count': 7}, {'year': 2021, 'cited_by_count': 7}, {'year': 2020, 'cited_by_count': 6}, {'year': 2019, 'cited_by_count': 7}, {'year': 2018, 'cited_by_count': 5}, {'year': 2017, 'cited_by_count': 7}, {'year': 2016, 'cited_by_count': 6}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 4}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-09-09T20:53:54.843560', 'created_date': '2016-06-24'}