**Background**
Coenzyme A (CoA) is a fundamental cofactor required for the synthesis and oxidation of fatty acids, as well as the oxidation of pyruvate. As the obligate precursor of CoA, D-Pantothenic acid (Pantothenate) serves as an essential trace nutrient that regulates a wide array of biological processes. These processes include the metabolism of carbohydrates, lipids, proteins, and nucleic acids, making it a critical component in cellular energy homeostasis. Given its central role in the TCA cycle and β-oxidation, understanding the D-Pantothenic acid biological activity is vital for researching metabolic disorders and developmental toxicology. In this context, we will introduce a human endogenous metabolite – D-Pantothenic acid.
**Definition**
D-Pantothenic acid is a human endogenous metabolite with the molecular formula C9H17NO5 and a molecular weight of 219.24. It functions primarily as the precursor to coenzyme A.
**In Vitro and In Vivo Studies**
According to the D-Pantothenic acid description, this compound is primarily involved in energy production and lipid metabolism. D-Pantothenic acid in vitro studies indicate its role as a precursor to coenzyme A, facilitating essential metabolic pathways such as the TCA cycle and the β-oxidation pathway.
Furthermore, D-Pantothenic acid in vivo research has demonstrated its potential protective effects against developmental toxicity. In a study using female ICR mice (weighing 29-35 g), D-Pantothenic acid was administered intraperitoneally (i.p.) on day 8.5 of gestation at dosages of 3×10, 3×100, and 3×300 mg/kg (10 mL/kg volume). The results showed that these treatments significantly reduced exencephaly induced by Valproic acid (VPA; 300, 400, and 500 mg/kg, s.c.). However, it was noted that other external malformations, such as open eyelids, or skeletal malformations, including fused, absent, or bifurcated ribs and fused thoracic vertebrae, were not reduced. For researchers seeking detailed D-Pantothenic acid technical information, these findings highlight its specific role in mitigating neural tube defects. In conclusion, D-Pantothenic acid is an essential nutrient and CoA precursor that plays a pivotal role in energy metabolism and the prevention of certain chemically induced developmental malformations.
Keywords
D-Pantothenic acid, 79-83-4, Pantothenate, Vitamin B5, Vitamin B 5, Vitamin B-5, Endogenous Metabolite, Inhibitor, inhibitor, inhibit
References
[1] Shuai Chen, et al. Metabolomic analysis of the toxic effect of chronic exposure of cadmium on rat urine. Environ Sci Pollut Res Int. 2018 Feb;25(4):3765-3774.
[2] M Sato, et al. Pantothenic acid decreases valproic acid-induced neural tube defects in mice (I). Teratology. 1995 Sep;52(3):143-8.