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'active': [70], 'inhibitor': [72, 85], 'URB597': [73], '(1': [74], '3': [76], 'mg·kg-1': [77, 88, 111, 120, 129], ',': [78, 89, 112, 121, 130, 215], 'i.p.)': [79, 90], 'peripherally': [82], 'restricted': [83], 'URB937': [86], '(3': [87, 110, 119], 'were': [91, 137, 220], 'administered': [92], 'daily': [93], '30': [94], 'min': [95], 'prior': [96], 'morphine,': [98], 'alone': [99], 'combination': [102], 'with': [103, 171, 176], 'cannabinoid': [105], 'CB1': [106, 216], 'receptor': [107, 116, 208], 'antagonist': [108, 117, 126], 'AM251': [109, 177], 'i.p.),': [113, 122], 'CB2': [115, 214], 'AM630': [118, 172], 'PPAR-α': [125], 'GW6471': [127], '(4': [128], 'i.p.).': [131], 'Spinal': [132], 'levels': [133, 197], 'FAAH-regulated': [135, 228], 'lipids': [136], 'quantified': [138], 'LC/MS-MS.': [140], 'Gene': [141], 'transcription': [142], 'was': [143, 160, 187], 'assessed': [144], 'RT-qPCR.URB597': [146], 'prevented': [147], 'reversed': [149], 'both': [153], 'mice.': [157, 195], 'This': [158], 'effect': [159], 'mimicked': [161], 'deletion,': [165], 'but': [166, 210], 'not': [167, 211], 'URB937.': [169], 'Treatment': [170], 'suppressed,': [173], 'whereas': [174], 'treatment': [175], 'GW6471,': [179], 'attenuated': [180], 'URB597.': [184], 'Anandamide': [185], 'mobilization': [186], 'enhanced': [188], 'spinal': [191, 223], 'cord': [192, 224], 'morphine-tolerant': [194], 'mRNA': [196], 'anandamide-producing': [200], 'enzyme': [201], 'N-acyl-phosphatidylethanolamine': [202], 'PLD': [203], '(NAPE-PLD)': [204], 'palmitoylethanolamide': [207], 'PPAR-α,': [209], 'those': [212], 'receptors': [217], 'FAAH,': [219], 'elevated': [221], 'CONCLUSION': [225], 'AND': [226], 'IMPLICATIONS:': [227], 'CNS': [233], 'modulated': [234], 'opiate': [235], 'tolerance,': [236], 'suggesting': [237], 'as': [239], 'a': [240], 'potential': [241], 'target': [242], 'opiate-sparing': [244], 'medications.': [245]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3008376098', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 3}], 'updated_date': '2024-12-24T07:27:09.933186', 'created_date': '2020-03-06'}