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'influence': [125], 'tests': [126], 'selection': [128, 138], 'PRNP.': [130], 'Collectively,': [131], 'our': [132], 'analyses': [133], 'confirm': [134], 'intense': [136], 'purifying': [137], 'indeed': [140], 'occurring': [141], 'directly': [142], 'PRNP,': [145], 'which': [146], 'indicative': [148], 'an': [153], 'important': [154], 'role.': [155], 'These': [156], 'results': [157], 'suggest': [158], 'lack': [161], 'observed': [163], 'fitness': [164], 'effects': [165], 'may': [166], 'manifest': [168], 'in': [169], 'controlled': [171], 'environmental': [172], 'conditions': [173], 'used': [174], 'care': [176], 'for': [177], 'raise': [179], 'animals.': [182]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2396728116', 'counts_by_year': [{'year': 2015, 'cited_by_count': 1}], 'updated_date': '2024-09-17T18:04:14.902784', 'created_date': '2016-06-24'}