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OBJECTIVE Reproduction is an energetically expensive process. Insufficient calorie reserves, signaled to the brain through peripheral signals such as leptin, suppress fertility. Recently, fibroblast growth factor 21 (FGF21) was implicated as a signal from the liver to the hypothalamus that directly inhibits the hypothalamic-gonadotropin axis during fasting(More)
Based on three chloroplast markers (psbA-trnH, trnL-trnF, and trnT-trnL), we identified eight haplotypes in 23 samples of Litsea coreana collected from seven provinces across southern and southwestern China. The Hap6 was the most widely distributed haplotype. The genetic diversity was highest in Sichuan Province and its adjacent regions. Therefore, these(More)
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