{"slug":"bdnf-explained","verification":{"valid":true,"entries":34,"head":"0c97f23142074725eea34f9474edc43421b9a9c2260c6375b71ea6a289267469"},"count":34,"models":["grok/grok-4.3","grok-4.3","system/audit-repair","kimi/moonshot-v1-8k","gemini/gemini-2.5-flash","fill-slots"],"yield":{"passes":34,"energy_spent_rows":0,"total_cost_usd":0.01252,"waste_cost_usd":0,"total_tokens":15244,"material_outputs":5,"usd_per_output":0.002504,"models":[{"model":"gemini/gemini-2.5-flash","passes":1,"cost_usd":0.000364,"tokens_total":3387,"outputs":3,"waste_passes":0,"usd_per_output":0.000121},{"model":"kimi/moonshot-v1-8k","passes":1,"cost_usd":0.000526,"tokens_total":3508,"outputs":2,"waste_passes":0,"usd_per_output":0.000263},{"model":"grok-4.3","passes":23,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"system/audit-repair","passes":5,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"fill-slots","passes":2,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"grok/grok-4.3","passes":2,"cost_usd":0.01163,"tokens_total":8349,"outputs":0,"waste_passes":0,"usd_per_output":null}],"constraints":{"constitution":"/api/articles/constitution","collaborate_schema":"POST /api/protocol/collaborate","pricing_ppm":{"grok-4.3":[1.25,2.5],"grok/grok-4.3":[1.25,2.5],"grok-build-0.1":[1,2],"kimi/moonshot-v1-8k":[0.15,0.15],"gemini/gemini-2.5-flash":[0.075,0.3],"gemini/gemini-2.0-flash-lite":[0.075,0.3],"openai/gpt-4o":[2.5,10],"openai/gpt-4o-mini":[0.15,0.6],"system/reflex":[0,0],"ingest:deterministic":[0,0],"fill-slots":[0,0]}}},"contributions":[{"seq":0,"id":"k1","ts":"2026-06-29T09:33:16.178Z","model":"grok/grok-4.3","role":"writer","action":"redraft","payload":{"title":"BDNF Explained: Brain-Derived Neurotrophic Factor and Brain Repair","register":"source_ledger","body":"## What BDNF Is\n\nBDNF is a protein encoded by the BDNF gene and belongs to the neurotrophin family. It is synthesized and secreted primarily by excitatory neurons in the brain and spinal cord. [human|mechanistic]\n\n## What BDNF Does\n\nBDNF binds to TrkB receptors to support neuronal survival, differentiation, and synaptic plasticity, including long-term potentiation relevant to learning and memory. It also binds p75NTR receptors, which can promote apoptosis in certain contexts. [mechanistic]\n\nHuman postmortem analyses link higher prefrontal BDNF levels to slower cognitive decline in aging. [human]\n\nPreclinical rodent studies demonstrate BDNF's role in neurogenesis, dendritic growth, and synaptic maintenance in the hippocampus. [preclinical]\n\n## Why BDNF Declines\n\nCirculating BDNF levels decline with advancing age in humans, correlating with smaller hippocampal volumes and reduced memory performance. [human]\n\nPostmortem human brain tissue shows age-related downregulation of BDNF and associated synaptic genes in the prefrontal cortex. [human]\n\nRodent studies report region-specific declines in hippocampal BDNF protein and TrkB receptor expression during aging. [preclinical]\n\n## Factors That Increase BDNF\n\nAcute and chronic aerobic exercise, including high-intensity interval training, elevates peripheral BDNF levels in human participants. [human]\n\nCaloric restriction and intermittent fasting are associated with increased BDNF in human observational and intervention data. [human]\n\nRodent models show exercise and enriched environments enhance BDNF expression and cognitive outcomes. [preclinical]","claims":[{"id":"c1","text":"BDNF is a protein encoded by the BDNF gene and belongs to the neurotrophin family. It is synthesized and secreted primarily by excitatory neurons in the brain and spinal cord.","section":"What BDNF Is","tier":"speculative","source_ids":["s1"],"source_status":"sourced","why_material":"Establishes core definition and cellular origin from primary literature.","evidence_basis":"derived_inference","weight":0.1,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c2","text":"BDNF binds to TrkB receptors to support neuronal survival, differentiation, and synaptic plasticity, including long-term potentiation relevant to learning and memory. It also binds p75NTR receptors, which can promote apoptosis in certain contexts.","section":"What BDNF Does","tier":"mechanistic","source_ids":["s1","s2"],"source_status":"sourced","why_material":"Describes receptor signaling without implying therapeutic outcomes.","evidence_basis":"derived_inference","weight":0.3,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c3","text":"Human postmortem analyses link higher prefrontal BDNF levels to slower cognitive decline in aging.","section":"What BDNF Does","tier":"human","source_ids":["s3"],"source_status":"sourced","why_material":"Human evidence tier; separates from preclinical.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c4","text":"Preclinical rodent studies demonstrate BDNF's role in neurogenesis, dendritic growth, and synaptic maintenance in the hippocampus.","section":"What BDNF Does","tier":"preclinical","source_ids":["s2"],"source_status":"sourced","why_material":"Explicitly labels rodent data separately.","evidence_basis":"derived_inference","weight":0.5,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c5","text":"Circulating BDNF levels decline with advancing age in humans, correlating with smaller hippocampal volumes and reduced memory performance.","section":"Why BDNF Declines","tier":"human","source_ids":["s4","s5"],"source_status":"sourced","why_material":"Human trial/observational data on age-related change.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c6","text":"Postmortem human brain tissue shows age-related downregulation of BDNF and associated synaptic genes in the prefrontal cortex.","section":"Why BDNF Declines","tier":"human","source_ids":["s6"],"source_status":"sourced","why_material":"Direct human tissue evidence.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c7","text":"Rodent studies report region-specific declines in hippocampal BDNF protein and TrkB receptor expression during aging.","section":"Why BDNF Declines","tier":"preclinical","source_ids":["s7"],"source_status":"sourced","why_material":"Separates animal model findings.","evidence_basis":"derived_inference","weight":0.5,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c8","text":"Acute and chronic aerobic exercise, including high-intensity interval training, elevates peripheral BDNF levels in human participants.","section":"Factors That Increase BDNF","tier":"human","source_ids":["s8","s9"],"source_status":"sourced","why_material":"Human intervention data; repair/plasticity framing.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c9","text":"Caloric restriction and intermittent fasting are associated with increased BDNF in human observational and intervention data.","section":"Factors That Increase BDNF","tier":"human","source_ids":["s10"],"source_status":"sourced","why_material":"Human data tier only.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c10","text":"Rodent models show exercise and enriched environments enhance BDNF expression and cognitive outcomes.","section":"Factors That Increase BDNF","tier":"preclinical","source_ids":["s2"],"source_status":"sourced","why_material":"Preclinical evidence separated.","evidence_basis":"derived_inference","weight":0.5,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}}],"sources":[{"id":"s1","type":"review","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4697050/","title":"Brain-derived neurotrophic factor and its clinical implications","quote":"Brain-derived neurotrophic factor regulates glucose and energy metabolism and prevents exhaustion of β cells. Decreased levels of BDNF are associated with ...","link_status":"ok","quote_status":"unverified"},{"id":"s2","type":"review","url":"https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2019.00363/full","title":"Brain-Derived Neurotrophic Factor: A Key Molecule for Memory in Normal and Pathological Conditions","quote":"In this review , we will focus on the role of BDNF in cognitive function in the adult brain under normal and pathological conditions...","link_status":"ok","quote_status":"unverified"},{"id":"s3","type":"review","url":"https://en.wikipedia.org/wiki/Brain-derived_neurotrophic_factor","title":"Brain-derived neurotrophic factor","quote":"Higher levels of prefrontal cortex BDNF was substantially associated with slower cognitive decline in elderly human patients.","link_status":"ok","quote_status":"unverified"},{"id":"s4","type":"pubmed","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC3069644/","title":"Brain-Derived Neurotrophic Factor Is Associated with Age-Related Decline in Hippocampal Volume","quote":"In humans, circulating levels of BDNF decline with advancing age , and a genetic polymorphism for BDNF has been related to gray matter volume loss in old age.","link_status":"ok","quote_status":"unverified"},{"id":"s5","type":"pubmed","url":"https://www.jneurosci.org/content/30/15/5368","title":"Brain-Derived Neurotrophic Factor Is Associated with Age-Related Decline in Hippocampal Volume","quote":"We found that increasing age was associated with smaller hippocampal volumes, reduced levels of serum BDNF , and poorer memory performance.","link_status":"http_403","quote_status":"unverified"},{"id":"s6","type":"pubmed","url":"https://www.nature.com/articles/npp2016126","title":"The Role of BDNF in Age-Dependent Changes of Excitatory and Inhibitory Synaptic Markers in the Human Prefrontal Cortex","quote":"Reduced brain-derived neurotrophic factor (BDNF) may underlie age-related synaptic loss...","link_status":"ok","quote_status":"unverified"},{"id":"s7","type":"review","url":"https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2010.00036/full","title":"Involvement of BDNF in Age-Dependent Alterations in the Hippocampus","quote":"In aged rats a decline in hippocampal BDNF levels, as compared to young adult rats, has been observed","link_status":"ok","quote_status":"verified"},{"id":"s8","type":"review","url":"https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2024.1505879/full","title":"Impact of physical exercise on the regulation of brain-derived neurotrophic factor","quote":"Physical exercise increases peripheral BDNF levels , with the most significant effects seen in aerobic and high-intensity exercises.","link_status":"ok","quote_status":"unverified"},{"id":"s9","type":"news","url":"https://www.alzinfo.org/articles/prevention/6-minutes-to-better-brain-health/","title":"6 Minutes to Better Brain Health","quote":"those who cycled intensively for six one-minute periods... had higher levels of circulating BDNF","link_status":"ok","quote_status":"unverified"},{"id":"s10","type":"review","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12809989/","title":"The effect of dietary interventions on brain-derived neurotrophic factor levels","quote":"The review found that fasting and calorie restriction diets generally increase BDNF levels","link_status":"ok","quote_status":"verified"}]},"rationale":"","tokens_in":0,"tokens_out":0,"prev_hash":"genesis","hash":"235a52cf66735f81638491f7e306c8b8a77858ee97263c617e1a6daa9d53993b"},{"seq":1,"id":"k2","ts":"2026-06-29T11:47:15.783Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s11","type":"clinical_trial","url":"https://pubmed.ncbi.nlm.nih.gov/39896238/","title":"Serum BDNF Increase After 9-Month Contemplative Mental Training Is Associated With Decreased Cortisol Secretion and Increased Dentate Gyrus Volume: Evidence From a Randomized Clinical Trial","quote":"In this study, we investigated whether mindfulness- and meditation-based mental training that improves stress regulation can upregulate BDNF (brain-derived neurotrophic factor), an important promoter of hippocampal neuroplasticity, and examined cortisol reduction as a mediating pathway.","link_status":"ok","quote_status":"verified"},{"id":"s12","type":"review","url":"https://pubmed.ncbi.nlm.nih.gov/39674562/","title":"Exercise training alters resting brain-derived neurotrophic factor concentration in older adults: A systematic review with meta-analysis of randomized-controlled trials","quote":"Exercise training significantly increased resting BDNF levels [SMD = 0.56 (95 % CI 0.28 to 0.85)] both in plasma (SMD = 0.63) and serum (SMD = 0.54). ... Since BDNF represents a fundamental contribution in neuronal processes and is linked to brain health, exercise training may help delay aging-related neuro-degenerative processes.","link_status":"ok","quote_status":"unverified"},{"id":"s13","type":"review","url":"https://pubmed.ncbi.nlm.nih.gov/41519822/","title":"The effect of dietary interventions on brain-derived neurotrophic factor (BDNF) levels in adults: a systematic review of clinical trials","quote":"The effect of dietary interventions on brain-derived neurotrophic factor (BDNF) levels in adults: a systematic review of clinical trials","link_status":"ok","quote_status":"verified"},{"id":"s14","type":"reddit","url":"https://www.reddit.com/r/science/comments/1rqqp2i/adults_who_become_physically_fitter_over_a_few/","title":"Adults who become physically fitter over a few months experience a larger spike in BDNF, a brain boosting molecule, after a single workout.","quote":"Adults who become physically fitter over a few months experience a larger spike in BDNF, a brain boosting molecule, after a single workout. This enhanced chemical response may help explain how regular physical activity supports higher level thinking and focus.","link_status":"ok","quote_status":"unverified"},{"id":"s15","type":"review","url":"https://pubmed.ncbi.nlm.nih.gov/41383700/","title":"Targeting brain-derived neurotrophic factor in the treatment of neurodegenerative diseases: A review","quote":"Targeting brain-derived neurotrophic factor in the treatment of neurodegenerative diseases: A review","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"235a52cf66735f81638491f7e306c8b8a77858ee97263c617e1a6daa9d53993b","hash":"deacd81b03602e7d5642f60fc76f46169b8e736ba0927ce8abaae091a105a7dd"},{"seq":2,"id":"k3","ts":"2026-06-29T11:47:32.392Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s16","type":"clinical_trial","url":"https://clinicaltrials.ucsd.edu/brain-derived-neurotrophic-factor","title":"UCSD Brain-Derived Neurotrophic Factor Clinical Trials — San Diego","quote":"This is a first-in-human clinical trial to test whether a protein administered into the brain continuously by gene therapy, Brain-Derived Neurotrophic Factor (BDNF), will slow or prevent cell loss in the brains of people affected by Alzheimer's disease and Mild Cognitive Impairment.","link_status":"ok","quote_status":"verified"},{"id":"s17","type":"review","url":"https://link.springer.com/article/10.1186/s40795-025-01174-3","title":"The effect of dietary interventions on brain-derived neurotrophic factor (BDNF) levels in adults: a systematic review of clinical trials","quote":"The review found that fasting and calorie restriction diets generally increase BDNF levels, while other dietary interventions showed inconsistent effects.","link_status":"ok","quote_status":"verified"},{"id":"s18","type":"review","url":"https://www.mdpi.com/1420-3049/30/4/848","title":"The Role of Brain-Derived Neurotrophic Factor as an Essential Mediator in Neuronal Functions and the Therapeutic Potential of Its Mimetics for Neuroprotection in Neurologic and Psychiatric Disorders","quote":"The Role of Brain-Derived Neurotrophic Factor as an Essential Mediator in Neuronal Functions and the Therapeutic Potential of Its Mimetics for Neuroprotection in Neurologic and Psychiatric Disorders","link_status":"http_403","quote_status":"unverified"},{"id":"s19","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/40220567/","title":"Tailoring the therapeutic potential of stem cell spheroid- ...","quote":"BDNF incorporation to enhance brain repair . Biomaterials. 2025 Oct:321:123332.","link_status":"ok","quote_status":"unverified"},{"id":"s20","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1lrap0e/whats_best_to_take_long_term_to_increase_bdnf/","title":"What's best to take long term to increase BDNF?","quote":"Ibogaine has been shown to increase BDNF levels to that of a 12 year old to up to 6 months.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 2","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"deacd81b03602e7d5642f60fc76f46169b8e736ba0927ce8abaae091a105a7dd","hash":"963f3464fc778754b1794a11649da3a03caa8db05cda8e0c71f2e811378f7487"},{"seq":3,"id":"k4","ts":"2026-06-29T11:48:00.506Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s21","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/h8bizl/neuroplasticity_such_a_thing_as_too_much_how_bdnf/","title":"NEUROPLASTICITY: Such a thing as too much? How BDNF supplements (like Lion's Mane) could be causing me to read words wrong and have memory issues","quote":"I've started taking Lion's Mane full extract from Nootropics depot at about 1g a day for the past week for its purported BDNF benefits, and I haven't observed much except for the fact that recently I've been having some symptoms akin to dyslexia or aphasia which is really unusual for me. I'll be reading something or thinking to myself in my head and I'll notice I have a lot more missteps in my cognition than usual. ... These are just the examples I made an effort to remember for the purposes of posting this because I think this brings to light the question of whether TOO MUCH neuroplasticity is a real issue a lot of people don't consider when they take supplements like LM. It might improve my ability to make new memories at the cost of dismantling old, established neural networks.","link_status":"ok","quote_status":"unverified"},{"id":"s22","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/15u9f57/which_brainrepairing_stuff_would_you_recommend/","title":"Which \"brain-repairing\" stuff would you recommend following alcohol misuse?","quote":"I stopped drinking years ago any my balance was always shit. I picked up a mtb and my balance is much better and overall my life and mental health has improved. ... I also thought about taking glutathione ive seen it was good for repairing the liver.","link_status":"ok","quote_status":"unverified"},{"id":"s23","type":"x","url":"https://x.com/biohacker/status/1759239501002506503","title":"Adamax experience post","quote":"My experience with Adamax - Brain fog for the first day of use (I assume the neurogenesis had a part to play) - Able to enter into deep work for longer (tangible 1/2 hours extra) - Reduced anxiety - Enhanced endurance in training sessions - More regulatory moods + modulation of neurotransmission - Increased memory retention + recall - Deeper REM - Reduced fatigue ... Some have reported disrupted sleep patterns from high dosages a high dosage could lead to more brain fog from first use (from my experience)","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"963f3464fc778754b1794a11649da3a03caa8db05cda8e0c71f2e811378f7487","hash":"ede717c3549128ed3d412ddc9c24113525556cfd7ec642d20276d9b8cc7953ee"},{"seq":4,"id":"k5","ts":"2026-06-29T11:48:18.439Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s24","type":"clinical_trial","url":"https://clinicaltrials.ucbraid.org/trial/NCT05040217","title":"AAV2-BDNF Gene Therapy in Early Alzheimer's Disease and Mild Cognitive Impairment","quote":"This is a first-in-human clinical trial to test whether a protein administered into the brain continuously by gene therapy, Brain-Derived Neurotrophic Factor (BDNF), will slow or prevent cell loss in the brains of people affected by Alzheimer's disease and Mild Cognitive Impairment.","link_status":"ok","quote_status":"verified"},{"id":"s25","type":"medical","url":"https://www.neurologylive.com/view/aav2-bdnf-gene-therapy-restores-fdg-pet-activity-entorhinal-cortex-phase-1-data","title":"AAV2-BDNF Gene Therapy Restores FDG-PET Activity in Entorhinal Cortex, Phase 1 Data Show","quote":"Findings from a small-scale, phase 1 trial (NCT05040217) of patients with mild Alzheimer disease (AD) and mild cognitive impairment (MCI) revealed potential benefits of an AAV2-brain derived neurotrophic factor (BDNF) gene therapy to prevent neuronal loss, activate neuronal function, and restore synapses.","link_status":"http_403","quote_status":"unverified"},{"id":"s26","type":"review","url":"https://pubs.acs.org/doi/abs/10.1021/acschemneuro.5c00193","title":"Research Progress on BDNF and Depression","quote":"This paper provides a comprehensive review of the neurotrophic mechanisms implicated in depression, covering the location, expression, and release of BDNF.","link_status":"http_403","quote_status":"unverified"},{"id":"s27","type":"review","url":"https://www.nature.com/articles/s41598-025-28577-3","title":"BDNF plasmid hydrogel promotes neuroprotection and neurogenesis in rats with intracerebral hemorrhage","quote":"This study examined the therapeutic efficacy of BDNF plasmid delivered with a chitosan-based self-healing hydrogel in treating ICH rats.","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 4","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"ede717c3549128ed3d412ddc9c24113525556cfd7ec642d20276d9b8cc7953ee","hash":"599ea78f8ec801d9360f47e383bcacbbda413fe2e2c44d6e3cdd02f97eb4e7f5"},{"seq":5,"id":"k6","ts":"2026-06-29T11:49:11.139Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s28","type":"review","url":"https://www.mdpi.com/1422-0067/26/9/4271","title":"From Synaptic Plasticity to Neurodegeneration: BDNF as a Transformative Target in Medicine","quote":"The brain-derived neurotrophic factor (BDNF) has become one of the cornerstones of neuropathology, influencing synaptic plasticity, cognitive resilience, and neuronal survival. Apart from its molecular biology, BDNF is a powerful target for transformative benefit in precision medicine, leading to innovative therapeutic approaches for neurodegenerative and psychiatric diseases like Alzheimer’s disease (AD), Parkinson’s disease (PD), major depressive disorder (MDD), and post-traumatic stress disorder (PTSD).","link_status":"http_403","quote_status":"unverified"},{"id":"s29","type":"review","url":"https://link.springer.com/article/10.1007/s40675-026-00372-0","title":"Brain-Derived Neurotrophic Factor (BDNF) in Insomnia and Related Disorders","quote":"The literature search covered the period from 2000 to 2025, reflecting the time when translational and clinical research on BDNF, sleep, and psychopathological disorders has flourished.","link_status":"ok","quote_status":"unverified"},{"id":"s30","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/39613915/","title":"Effects of psychoplastogens on blood levels of brain-derived neurotrophic factor (BDNF) in humans: a systematic review and meta-analysis","quote":"Effects of psychoplastogens on blood levels of brain-derived neurotrophic factor (BDNF) in humans: a systematic review and meta-analysis.","link_status":"ok","quote_status":"unverified"},{"id":"s31","type":"clinical_trial","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12740129/","title":"A Phase I Clinical Trial of AAV2‐BDNF Gene Therapy for Alzheimer's Disease: Findings","quote":"Conclusion. AAV2‐BDNF gene therapy to the entorhinal cortex in mild AD has been safe to date and restores FDG‐PET activity in the treated brain region.","link_status":"ok","quote_status":"unverified"},{"id":"s32","type":"medical","url":"https://www.fightaging.org/archives/2026/02/bdnf-gene-therapy-improves-cognitive-function-in-alzheimers-model-mice/","title":"BDNF Gene Therapy Improves Cognitive Function in Alzheimer’s Model Mice","quote":"The protein BDNF is known to encourage neuroplasticity in the brain and otherwise assist in protecting the health and function of neurons. Numerous studies have demonstrated upregulation of BDNF to improve cognitive function in the context of aging and neurodegenerative conditions.","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"599ea78f8ec801d9360f47e383bcacbbda413fe2e2c44d6e3cdd02f97eb4e7f5","hash":"ad04e7ae7b860f1544c7a0da140df42935e43f49a4576da816b3517a623fcf37"},{"seq":6,"id":"k7","ts":"2026-06-29T11:49:34.742Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s33","type":"review","url":"https://www.mdpi.com/2075-1729/15/7/1147","title":"Exercise as Modulator of Brain-Derived Neurotrophic Factor (BDNF) in Children: A Systematic Review of Randomized Controlled Trials","quote":"Structured physical exercise may enhance BDNF levels in healthy children, with neuromotor activities and martial arts showing particular promise. 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I suppose my symptoms align closest with depersonalization/derealization.","link_status":"ok","quote_status":"unverified"},{"id":"s35","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1czll5y/what_was_your_lions_mane_experience/","title":"What Was Your Lion's Mane Experience?","quote":"I didn't yell at anyone, I just had some real feelings of unfounded fear and dread that really made me isolate (so as not to alarm friends and family) and then I had a panic attack on the 7th day of use. Panic attacks are typically rare for me and related to moments of actual stress, this one came out of nowhere.","link_status":"ok","quote_status":"unverified"},{"id":"s36","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/k22dun/lions_mane_experiences_positive_or_negative/","title":"Lion's Mane experiences? Positive or negative?","quote":"I've had a very negative experience with Lion's Mane. 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I do cycles of 8 weeks on, 8 weeks off, and when I take it I feel like a fucking computer- I perform so much better at high level mental tasks at work, and in meetings my recall and articulation are noticeably improved to where I outperform everyone else in the room. ... I also feel like my moods are much stabilized- definite antidepressant effects for me.","link_status":"ok","quote_status":"unverified"},{"id":"s68","type":"reddit","url":"https://www.reddit.com/r/TBI/comments/1t25t3z/semax_nasal_spray_life_changing_have_my_memory/","title":"Semax nasal spray life changing have my memory back","quote":"I was like Dory from head injury now no longer. I recall things as long as I take it daily. ... Yes I was like Dory it was very scary - now not an issue. 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Injectable (later cycle): Took longer to “feel” (~30–60 min), but WAY more consistent... increased my mental clarity, active recall, and reduced brain fog.","link_status":"ok","quote_status":"unverified"},{"id":"s70","type":"reddit","url":"https://www.reddit.com/r/TBI/comments/1r2hhqw/in_the_united_states_the_focus_is_on_managing_the/","title":"In the united states, the focus is on managing the symptoms...","quote":"Ive used all 3 [cerebrolysin, semax, selank] and for the first time in 2 years i’ve seen improvements despite doing everything else doctors have told me to do. ... 2 doses of cerebrolysin and it feels like its almost cleared up my neuroinflammation that had been causing relentless headaches, brain fog etc.","link_status":"ok","quote_status":"unverified"},{"id":"s71","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1sqf0b9/passing_out_from_semax/","title":"Passing out from Semax???","quote":"For context I have been taking semax for about 3 weeks and upped my dose to 500mcg from 250. I haven't felt any issue with the new dose but I had a...","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"ed364c8b040cc86f9b178ad3c0925bb61afc5e037ee0b97a86a6311830fbb3d0","hash":"70007e358974df90a759a807a0feb8d950bf58fc06357164b9def5b7f8fd7ca2"},{"seq":23,"id":"k24","ts":"2026-06-29T16:58:34.423Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s72","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/14dhhr9/long_term_effects_of_semax_experiences/","title":"Long term effects of Semax? Experiences?","quote":"Was the first noot I ever tried maybe 5 years back, nasal spray. I mean that got me into this world because I personally found it profound in my mental state making me less depressed, cleared up brain fog, short term memory seemed markedly better... I still remember waking up and feeling like a million bucks, school work was a breeze, info taken in from lectures were very clear, etc.","link_status":"ok","quote_status":"unverified"},{"id":"s73","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/14dhhr9/long_term_effects_of_semax_experiences/","title":"Long term effects of Semax? Experiences?","quote":"I loved Semax. Unfortunately I got severe hair loss from it and had to stop. (Once I stopped it grew back). I’m so jealous of those who respond well!","link_status":"ok","quote_status":"unverified"},{"id":"s74","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/14dhhr9/long_term_effects_of_semax_experiences/","title":"Long term effects of Semax? Experiences?","quote":"Been using for ~10 years. Impossible to gauge permanent cognitive gains... However, the benefits are remarkable for me. I attribute a lot of my successes in life to SEMAX. I would say that upon cessation, but benefits are gone but you still have the memories of stuff you learned. It does cause severe bouts on intense negative emotions occasionally but those subside within a day or so.","link_status":"ok","quote_status":"unverified"},{"id":"s75","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1uh1bt6/brain_fog_from_na_semax_amidate/","title":"Brain fog from NA Semax Amidate","quote":"Three days ago I started taking N-acetyl Semax Amidate... The quality of my cognition has declined since starting. Some of the changes I've had are confusing phonically similar words, losing my place while reading, walking into rooms and forgetting why, time blindness. I suppose that I'm experiencing the paradoxical brain fog that some people have when taking nootropics that upregulate BDNF.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"70007e358974df90a759a807a0feb8d950bf58fc06357164b9def5b7f8fd7ca2","hash":"b8d81d6dd76e46d51c3dde99e00d5004457492866830ad80d46295ed91bcdc01"},{"seq":24,"id":"k25","ts":"2026-06-29T18:58:26.223Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s76","type":"reddit","url":"https://www.reddit.com/r/neuro/comments/h8be4v/neuroplasticity_such_a_thing_as_too_much_how_bdnf/","title":"NEUROPLASTICITY: Such a thing as too much? How BDNF supplements (like Lion's Mane) could be causing me to read words wrong and have memory issues","quote":"I've started taking Lion's Mane full extract from Nootropics depot at about 1g a day for the past week for its purported BDNF benefits, and I haven't observed much except for the fact that recently I've been having some symptoms akin to dyslexia or aphasia which is really unusual for me. ... These are just the examples I made an effort to remember for the purposes of posting this because I think this brings to light the question of whether TOO MUCH neuroplasticity is a real issue a lot of people don't consider when they take supplements like LM.","link_status":"ok","quote_status":"unverified"},{"id":"s77","type":"reddit","url":"https://www.reddit.com/r/geneticlifehacks/comments/1c7v53w/best_supplements_to_boost_bdnf/","title":"Best Supplements to Boost BDNF","quote":"7 research-backed supplements for increasing BDNF levels: Bacopa Monnieri ... Ginkgo biloba ... 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Lithium","link_status":"ok","quote_status":"unverified"},{"id":"s78","type":"reddit","url":"https://www.reddit.com/r/science/comments/1aui6ut/intermittent_fasting_produces_indeterminate/","title":"Intermittent Fasting Produces Indeterminate Effects on Brain-Derived Neurotrophic Factor Levels in Humans","quote":"Intermittent Fasting Produces Indeterminate Effects on Brain-Derived Neurotrophic Factor Levels in Humans.","link_status":"ok","quote_status":"unverified"},{"id":"s79","type":"x","url":"https://x.com/foundmyfitness/status/1889073506979029037","title":"Dr. Rhonda Patrick on exercise and BDNF","quote":"Training at 80–100% of your max capacity triggers a surge in brain-derived neurotrophic factor (BDNF), a key protein for memory, learning, and ...","link_status":"ok","quote_status":"unverified"},{"id":"s80","type":"x","url":"https://x.com/davidasinclair/status/1948773490913423740","title":"Exercise increases BDNF","quote":"Exercise increases BDNF (brain-derived neurotrophic factor) by up to 200%, a molecule known to promote brain repair and neuroplasticity","link_status":"ok","quote_status":"verified"},{"id":"s81","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/3sqtrh/high_doses_of_zinc_causes_bdnf_inhibition_and/","title":"High doses of zinc causes BDNF inhibition and memory loss??","quote":"High doses of zinc causes BDNF inhibition and memory loss?? ... 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I have been on it since 2017. I still walk, eat normally, and have had ups and downs over the years. My atrophy is very slow and I attribute that to collateral sprouting of motor neurons reinnervating denervated muscle.","link_status":"ok","quote_status":"unverified"},{"id":"s90","type":"reddit","url":"https://www.reddit.com/r/ALS/comments/1pk0nhi/lions_mane_mushroom_lmm_supplements/","title":"Lions Mane Mushroom (LMM) Supplements","quote":"Does not work, tried. Also risky. Who knows what is inside. In general, supplements have poor quality control.","link_status":"ok","quote_status":"unverified"},{"id":"s91","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1qedn0f/wheres_lions_mane_hype_now/","title":"Where's lion's mane hype now?","quote":"I liked it for a few months back in 2023. ... The original setback for me was slurring my words/skipping words in sentences. ... I had some Erectile Dysfunction for 3 days.","link_status":"ok","quote_status":"unverified"},{"id":"s92","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1qedn0f/wheres_lions_mane_hype_now/","title":"Where's lion's mane hype now?","quote":"Can only speak from personal experience, but it’s been one of the most effective nootropics I’ve taken... I noticed better memory and concentration, and improved overall mood. The craziest thing was the memory factor though. I started remembering things from my childhood that I had long forgotten.","link_status":"ok","quote_status":"unverified"},{"id":"s93","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1qedn0f/wheres_lions_mane_hype_now/","title":"Where's lion's mane hype now?","quote":"I felt sharper on it mentally. Unfortunately it killed my libido while simultaneously made me argumentative/aggressive so I had to stop.","link_status":"ok","quote_status":"unverified"},{"id":"s94","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/1qedn0f/wheres_lions_mane_hype_now/","title":"Where's lion's mane hype now?","quote":"For me, someone who smoked weed a ton, it's helped with brain fog and neuroplasticity. Is less focus based and more cleaning out things that are in the way","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"cost":0,"prev_hash":"0646566f34e1a4cb7b338b2179c224478b9bcdbdaa5f4265431254fe22b04010","hash":"7ad0106c1411c1a13810de1fcab7ca2831601a2fcbd73bf88466ce965790a2db"},{"seq":27,"id":"k28","ts":"2026-06-29T18:59:45.954Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s95","type":"reddit","url":"https://www.reddit.com/r/neuro/comments/70k75d/bdnf_how_to_literally_grow_the_size_of_your_brain/","title":"BDNF | How to Literally Grow The Size Of Your Brain ...","quote":"Elevated levels of BDNF do encourage the growth of neurons in the hippocampal region especially from intensive exercise.","link_status":"ok","quote_status":"unverified"},{"id":"s96","type":"reddit","url":"https://www.reddit.com/r/Nootropics/comments/abv22g/habits_that_increase_bdnf_production_and_enhance/","title":"Habits that Increase BDNF Production and Enhance Mental ...","quote":"High BDNF makes you learn faster, remember better, age slower, and rapidly rewire your brain. 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