Copper Deficiency Disrupts Placental Development and Lipid Metabolism, Contributing to Fetal Growth Restriction†.

Researchers investigated how copper deficiency during pregnancy affects placental development and fetal growth. Using pregnant mice, scientists induced copper deficiency and examined its effects on the placenta, the organ that nourishes developing babies. They found that copper deficiency significantly disrupted normal pregnancy outcomes. The deficient mice had smaller fetuses with reduced body weight and shorter lengths, indicating fetal growth restriction. The placentas showed structural abnormalities, particularly in the junctional zone, which is critical for nutrient exchange. Laboratory analysis revealed that copper deficiency disrupted fat metabolism in the placenta, causing abnormal lipid accumulation. The study also showed that copper deficiency impaired the function of trophoblast cells, which are essential for placental development and invasion into the uterine wall. These cells showed reduced migration and invasion capabilities, linked to decreased levels of important enzymes called MMP2 and MMP9. This research highlights that adequate copper levels are essential for healthy fetal development and placental function during pregnancy. While this study focused on nutritional factors rather than acupuncture interventions, it underscores the importance of comprehensive prenatal care. Women concerned about pregnancy outcomes may explore acupuncture as part of an integrative approach to support fertility and pregnancy health, as Traditional Chinese Medicine emphasizes balanced nutrition and overall wellness during pregnancy. If considering acupuncture for fertility or pregnancy support, consult with a licensed acupuncturist certified in prenatal care.

This animal study examined copper deficiency effects on placental development and fetal growth restriction (FGR). Pregnant C57BL/6N mice received ammonium tetrathiomolybdate (ATTM) at 30 or 60 mg/kg/day from gestational day 1-14. In vitro studies used HTR8/SVneo trophoblast cells with copper chelation or SLC31A1 knockdown. Copper deficiency significantly reduced maternal serum copper, causing FGR with decreased crown-rump length, fetal weight, and altered fetal-to-placental ratios. Placental junctional zone showed structural abnormalities with reduced size and altered morphology. Spatial metabolomics revealed disrupted lipid metabolism, specifically glycerophospholipids and fatty acids, with lipid droplet accumulation. Trophoblast migration and invasion were impaired, correlating with decreased MMP2 and MMP9 expression in vivo and in vitro. Clinical relevance: This study establishes copper's critical role in placental development and fetal growth, though direct acupuncture applications are not addressed. Practitioners should consider nutritional status when treating fertility and pregnancy-related concerns.