Docosahexaenoic acid is a endogenous omega-3 fatty acid. Docosahexaenoic Acid (DHA) acts as a selective retinoid X receptor (RXR) agonist that displays no activity at RAR, thyroid hormone receptor or the vitamin D receptor (VDR). Docosahexaenoic Acid (DHA) activates all three RXR isoforms. DHA also shown to inhibit Aβ1-42 fibrillation and toxicity in vitro. The multiple double bonds and unique structure allow DHA to impart special membrane characteristics for effective cell signaling.
Docosahexaenoic acid administration over 10 weeks significantly reduces the number of reference memory errors, without affecting the number of working memory errors, and significantly increases the docosahexaenoic acid content and the docosahexaenoic acid/arachidonic acid ratio in both the hippocampus and the cerebral cortex.
Molecular Weight | 328.49 |
Formula | C22H32O2 |
CAS Number | 6217-54-5 |
Solubility (25°C) | DMSO 60 mg/mL |
Storage | -20°C, protect from light, sealed |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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