{"product_id":"p21","title":"P21","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:da81b193-1174-48e8-8d02-6b3647bff893-24\" data-testid=\"conversation-turn-50\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ab9a99bf-6c13-4406-ae44-3a6f64d0eb01\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"53\" data-end=\"384\"\u003eP21 is a synthetic peptide derived from a functional fragment of nerve growth factor (NGF), researched for its potential role in promoting neurogenesis and supporting cognitive function pathways. It is commonly studied in neuroscience for its influence on neuronal growth, brain plasticity, and memory-related signaling mechanisms.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"739\"\u003eIn laboratory research, P21 is primarily investigated for its ability to stimulate neurotrophic activity in models of cognitive function and neuronal development. It is often used in studies exploring learning, memory formation, and brain repair processes, particularly in contexts involving age-related cognitive decline and neurodegenerative pathways.\u003c\/p\u003e\n\u003ch3 data-start=\"741\" data-end=\"757\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"758\" data-end=\"1079\"\u003e\n\u003cli data-start=\"758\" data-end=\"827\"\u003eSynthetic peptide derived from a nerve growth factor (NGF) fragment\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"893\"\u003eCommonly studied for neurogenesis and brain plasticity pathways\u003c\/li\u003e\n\u003cli data-start=\"894\" data-end=\"954\"\u003eInvestigated for effects on learning and memory mechanisms\u003c\/li\u003e\n\u003cli data-start=\"955\" data-end=\"1018\"\u003eRelevant to neuronal growth and cognitive resilience research\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1079\"\u003eUsed in advanced neuroscience and neuroregeneration models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1081\" data-end=\"1106\"\u003eCommon Research Areas\u003c\/h3\u003e\n\u003cp data-start=\"1107\" data-end=\"1167\"\u003eResearchers and scientific studies commonly explore P21 for:\u003c\/p\u003e\n\u003cul data-start=\"1168\" data-end=\"1374\"\u003e\n\u003cli data-start=\"1168\" data-end=\"1202\"\u003eNeurogenesis and neuronal growth\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1243\"\u003eCognitive function and memory research\u003c\/li\u003e\n\u003cli data-start=\"1244\" data-end=\"1288\"\u003eSynaptic plasticity and brain adaptability\u003c\/li\u003e\n\u003cli data-start=\"1289\" data-end=\"1333\"\u003eNeurodegenerative and aging-related models\u003c\/li\u003e\n\u003cli data-start=\"1334\" data-end=\"1374\"\u003eNeurotrophic signaling pathway studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1376\" data-end=\"1395\"\u003eProduct Quality\u003c\/h3\u003e\n\u003cp data-start=\"1396\" data-end=\"1543\"\u003eManufactured under strict quality control standards and tested for purity, identity, and consistency to ensure reliable research-grade performance.\u003c\/p\u003e\n\u003cp data-start=\"1545\" data-end=\"1734\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1545\" data-end=\"1560\"\u003eDisclaimer:\u003c\/strong\u003e This product is intended strictly for laboratory research use only. Not for human consumption. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"A to Z Peptides","offers":[{"title":"Default Title","offer_id":55748677108052,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1022\/9225\/9156\/files\/ChatGPTImageMay8_2026_04_09_34PM.png?v=1778252982","url":"https:\/\/atozpeptide.com\/products\/p21","provider":"A to Z Peptides","version":"1.0","type":"link"}