Autism spectrum disorder: insights into convergent mechanisms from transcriptomics Nature Reviews Genetics Dihexa Peptide: Unlocking Brain Repair, Focus, and Memory Revolution Health & Wellness Amazon.com: AuRx Autism Spectrum Medical Food Powder to Support Gut Health, Stabilized Butyric Acid Supplement in a Palatable Tasting Powder for ASD Children, Hypoallergenic, 2 Ounces : Health & Household Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted Docosahexaenoic acid ameliorates autisticlike behaviors by inhibiting oxidative stress and inflammatory response in neonatal maternal separation rats Xu 2025 Pediatric Discovery Wiley Online Library Dihexa 1401708 83 5 BGC70883 Biosynth