NewslettersUmbilical & Placental Cell News Umbilical Cord Blood Thyroid Hormones Are Inversely Related to Telomere Length and Mitochondrial DNA Copy Number By lbeveridge - February 8, 2024 0 66 Scientists determined whether thyroid hormones TSH and fT4 are related to the telomere length, mitochondrial DNA copy number, and oxidative stress resistance marker GPX in the cord blood of newborns. [Scientific Reports] Full Article