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Ectopic expression shows sufficiency in white fat cells; it does not establish the size of the contribution in vivo.\nexposure: Cold exposure of mice; ectopic PGC-1 expression\nevidence_span: {\"source_cache\": \"artifacts/cold-research/9529258.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"8986da918d7bde4d0314f51038ee3b1c6413042a1132bb6fbf55ceeb54e79ddf\", \"start_char\": 0, \"end_char\": 842, \"text_sha256\": \"8986da918d7bde4d0314f51038ee3b1c6413042a1132bb6fbf55ceeb54e79ddf\"}\n[cold-p9529258] A cold-inducible coactivator of nuclear receptors linked to adaptive thermogenesis. 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