entity

H3

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about H3: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.

11Connections
13Hypotheses
5Analyses
9Outgoing
2Incoming
6Experiments
5Debates

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Wiki Pages (20)

Knowledge base pages for this entity

H3F3B Gene — H3.3 Histone B

gene · 2806 words

GTF2H3 Protein

protein · 1782 words

NOTCH3 Protein

protein · 1648 words

NR1H3 - Nuclear Receptor Subfamily 1 Group H Member 3

gene · 1646 words

H3F3A — H3.3 Histone A

gene · 1554 words

Outgoing (9)

TargetRelationTypeStr
GRK2_GRK3receptor_desensitization_regulatorsgene_protein0.00
beta_arrestindesensitization_mechanismgene_protein0.00
P2RX7antagonizesgene0.00
NLRP3indirectly_suppressesgene0.00
CSGAassociated_withgene0.50

Incoming (2)

SourceRelationTypeStr
H2associated_withhypothesis0.50
H5associated_withhypothesis0.50

Targeting Hypotheses (13)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
Therapeutic Window Exists Because Amplified Signals (Not Bas 0.780 neurodegeneration Do pathogenic LRRK2 mutations amplify vo
H3: SIRT1 Insufficiency Disconnects Metabolic Sensing from E 0.770 neurodegeneration Investigate mechanisms of epigenetic rep
H3: G3BP1 as Nucleation Hub for TDP-43/FUS Seeding 0.743 neurodegeneration How do pathological stress granules tran
H3: APOE4 Impairs Cholesterol Trafficking, Triggering Astroc 0.720 neurodegeneration Do APOE4-driven senescent astrocytes cau
EZH2-Mediated H3K27me3 Spreading in Senescent ALS Microglia 0.714 ALS What are the mechanisms by which microgl
LPS-primed microglial trained immunity establishes persisten 0.670 neurodegeneration Synaptic pruning by microglia in neurode
KDM6A-Mediated H3K27me3 Rejuvenation 0.653 neurodegeneration Epigenetic clocks and biological aging i
H2: H3K9me3 Heterochromatin Collapse Enables Cryptic Transcr 0.610 neurodegeneration Investigate mechanisms of epigenetic rep
Autophagy Activation ULK1/VPS34 (H3): Lipid Routing to Lysos 0.600 neurodegeneration Does restoring neuronal AMPK activity re
NLRP3 Inflammasome Chromatin Priming Through H3K27ac Accumul 0.566 developmental neurobiology Do perinatal immune challenges create pe
H3K9me3 Heterochromatin Loss at Pericentromeric Repeats 0.565 neurodegeneration Comparative epigenetic signatures: DNA m
H3: Reelin Signaling Deficiency Uncouples Layer II Neurons f 0.560 neurodegeneration Entorhinal cortex layer II vulnerability
NAD+-SIRT1-H3K9me3 restoration enables true senescence rever 0.380 Alzheimer's disease Can metabolic interventions truly revers

Mentioning Analyses (5)

Scientific analyses that reference this entity

What is the minimum effective dose of trazodone required for disease-modifying e

neurodegeneration | 2026-04-26 | 7 hypotheses Top: 0.605

What is the optimal dosage and timing of melatonin administration for AD prevent

neurodegeneration | 2026-04-26 | 7 hypotheses Top: 0.735

Comparative epigenetic signatures: DNA methylation age acceleration and histone

neurodegeneration | 2026-04-18 | 7 hypotheses Top: 0.620

Comparative epigenetic signatures: DNA methylation age acceleration and histone

neurodegeneration | 2026-04-18 | 0 hypotheses

What are the mechanisms by which gut microbiome dysbiosis influences Parkinson's

neurodegeneration | 2026-04-01 | 5 hypotheses Top: 0.720

Experiments (6)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
Proposed experiment from debate on Epigenetic clocks and biological ag falsification Neurodegeneration 0.400 0.50 mouse completed $450,000
Cognitive Reserve Mechanisms in Alzheimer's Disease — Molecular Basis clinical Alzheimer's Disease 0.400 0.50 human completed $6,550,000
DNA Damage Repair Deficiency Validation Study in Parkinson's Disease clinical Parkinson's Disease 0.400 0.50 human completed $7,500,000
Epigenetic Clocks in Neurodegeneration — Causal Drivers or Passive Mar validation Neurodegeneration 0.400 0.50 human completed $3,000,000
Epigenetic Dysregulation in Huntington's Disease — Therapeutic Targeti validation Neurodegeneration 0.400 0.50 human completed $3,000,000
LRRK2/GBA Mutation Carrier Resilience — Why Some Carriers Never Develo validation Parkinson's Disease 0.400 0.50 human completed $2,730,000

Related Papers (20)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
De novo germline and postzygotic mutations in AKT3, PIK3R2 and PIK3CA cause a sp [PMID:22729224] ["Rivi\u00e8re J", "Mirzaa G", "O'Roak B Nature Genetics 2012 748
High-Resolution Differentiation of Enteric Bacteria in Premature Infant Fecal Mi [PMID:33593974] Graf J, Ledala N, Caimano MJ, Jackson E, mBio 2021 1
Development of a deep learning-based software for calculating cleansing score in [PMID:33627678] Nam JH, Hwang Y, Oh DJ, Park J, Kim KB, Sci Rep 2021 1
Bacterial siderophores in community and host interactions. [PMID:31748738] Kramer J, Özkaya Ö, Kümmerli R Nat Rev Microbiol 2020 1
SARS-CoV-2 infection induces long-lived bone marrow plasma cells in humans. [PMID:33398264] Turner JS, Kim W, Kalaidina E, Goss CW, Res Sq 2020 1
ApoE-associated modulation of neuroprotection from Aβ-mediated neurodegeneration [PMID:30683808] Griffin EF, Scopel SE, Stephen CA, Holzh Dis Model Mech 2019 1
Endodermal Maternal Transcription Factors Establish Super-Enhancers during Zygot [PMID:31167141] Paraiso KD, Blitz IL, Coley M, Cheung J, Cell Rep 2019 1
Modification of ASC1 by UFM1 is crucial for ERα transactivation and breast cance [PMID:25219498] Yoo HM, Kang SH, Kim JY, Lee JE, Seong M Mol Cell 2014 1
Foxh1 is a locus-specific PRC2 recruiter governing germ layer silencing. [PMID:41040321] ["Cho J", "Hendrickson C", "Mar N", "Bli bioRxiv : the preprint server 2025 0
Epigenetic regulation of bladder cancer in the context of aging. [PMID:40918525] ["Liu X", "Ding G", "Liu Y", "Yan X", "Z Frontiers in pharmacology 2025 0
Loss of Kmt2c or Kmt2d drives brain metastasis via KDM6A-dependent upregulation [PMID:38926506] Seehawer M, Li Z, Nishida J, Foidart P, Nature cell biology 2024 0
Epigenetic regulation of CD38/CD48 by KDM6A mediates NK cell response in multipl [PMID:38355622] Liu J, Xing L, Li J, Wen K, Liu N, Liu Y Nature communications 2024 0
Wnt-deficient and hypoxic environment orchestrates squamous reprogramming of hum [PMID:39232216] Tamagawa H, Fujii M, Togasaki K, Seino T Nature cell biology 2024 0
SIRT1 and SIRT6: The role in aging-related diseases. [PMID:37499928] You Y, Liang W Biochim Biophys Acta Mol Basis 2023 0
KDM6A epigenetically regulates subtype plasticity in small cell lung cancer. [PMID:37591951] Duplaquet L, Li Y, Booker MA, Xie Y, Ols Nature cell biology 2023 0
SIRT1 and SIRT6: The role in aging-related diseases. [PMID:37499928] You Y, Liang W Biochimica et biophysica acta. 2023 0
H3K36 dimethylation shapes the epigenetic interaction landscape by directing rep [PMID:35396277] ["Chen H", "Hu B", "Horth C", "Bareke E" Genome research 2022 0
Regulation of SIRT1 and Its Roles in Inflammation. [PMID:35359990] Yang Y, Liu Y, Wang Y, Chao Y, Zhang J, Frontiers in immunology 2022 0
An intramembrane chaperone complex facilitates membrane protein biogenesis. [PMID:32814900] ["Chitwood PJ", "Hegde RS"] Nature 2020 0
SIRT1 and aging related signaling pathways. [PMID:32084459] Chen C, Zhou M, Ge Y, Wang X Mechanisms of ageing and devel 2020 0

Debates (5)

Multi-agent debates referencing this entity

What is the minimum effective dose of trazodone required for disease-modifying e

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

What is the optimal dosage and timing of melatonin administration for AD prevent

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

This analysis aims to elucidate the mechanisms by which gut microbiome dysbiosis

closed · Rounds: 4 · Score: 0.82 · 2026-04-22

Investigate shared DNA methylation age acceleration and histone modification pat

closed · Rounds: 4 · Score: 1.00 · 2026-04-20

Investigate shared DNA methylation age acceleration and histone modification pat

closed · Rounds: 4 · Score: 1.00 · 2026-04-20

Related Research

Hypotheses and analyses mentioning H3 in their description or question text

LPS-primed microglial trained immunity establishes persistent H3K4me3 landscapes

Score: 0.670 · neurodegeneration · 2026-04-22

**Molecular Mechanism and Rationale** The molecular foundation of this hypothesis centers on the concept of trained imm

KDM6A-Mediated H3K27me3 Rejuvenation

Score: 0.653 · neurodegeneration · 2026-04-02

## Mechanistic Overview KDM6A-Mediated H3K27me3 Rejuvenation starts from the claim that modulating KDM6A within the dise

H2: H3K9me3 Heterochromatin Collapse Enables Cryptic Transcription of Repetitive

Score: 0.610 · neurodegeneration · 2026-04-22

## Mechanistic Overview H2: H3K9me3 Heterochromatin Collapse Enables Cryptic Transcription of Repetitive Elements starts

Autophagy Activation ULK1/VPS34 (H3): Lipid Routing to Lysosomes

Score: 0.600 · neurodegeneration · 2026-04-25

Constitutive ULK1 activation via AAV-hSyn-ULK1(S317A) enhances lipophagy to sequester excess neuronal lipids into lysoso

NLRP3 Inflammasome Chromatin Priming Through H3K27ac Accumulation

Score: 0.566 · developmental neurobiology · 2026-04-21

## Mechanistic Overview NLRP3 Inflammasome Chromatin Priming Through H3K27ac Accumulation starts from the claim that mod

H3K9me3 Heterochromatin Loss at Pericentromeric Repeats

Score: 0.565 · neurodegeneration · 2026-04-25

H3K9me3 Heterochromatin Loss at Pericentromeric Repeats

H3: Reelin Signaling Deficiency Uncouples Layer II Neurons from Grid Cell Coupli

Score: 0.560 · neurodegeneration · 2026-04-22

## Mechanistic Overview H3: Reelin Signaling Deficiency Uncouples Layer II Neurons from Grid Cell Coupling starts from t

NAD+-SIRT1-H3K9me3 restoration enables true senescence reversal, while incomplet

Score: 0.380 · Alzheimer's disease · 2026-04-26

Partial metabolic interventions (e.g., mTOR inhibition alone) suppress SASP secretion but leave growth arrest intact bec