CRISPR-based therapeutic approaches for neurodegenerative diseases¶
Notebook ID: nb-SDA-2026-04-03-gap-crispr-neurodegeneration-20260402 · Analysis: SDA-2026-04-03-gap-crispr-neurodegeneration-20260402 · Generated: 2026-04-26T23:48:37
Research question¶
Evaluate the potential of CRISPR/Cas9 and related gene editing technologies for treating neurodegenerative diseases including Alzheimer disease, Parkinson disease, Huntington disease, and ALS. Consider approaches targeting causal mutations (e.g., HTT CAG repeats, SOD1, APP), epigenetic modulation (CRISPRa/CRISPRi), base editing, prime editing, and in vivo delivery challenges (AAV, lipid nanoparticles, blood-brain barrier penetration). Assess current preclinical evidence, ongoing clinical trials, and key hurdles for clinical translation.
Approach¶
This notebook is generated programmatically from real Forge tool calls and SciDEX debate data. Forge tools used: PubMed Search, MyGene, STRING PPI, Reactome pathways, Enrichr.
Debate Summary¶
Quality score: 0.95 · Rounds: 4
1. Target gene annotations (MyGene + Human Protein Atlas)¶
import pandas as pd
ann_rows = [{'gene': 'APOE', 'name': 'apolipoprotein E', 'protein_class': "['Cancer-related genes', 'Candidate cardiovascular disease g", 'disease_involvement': "['Alzheimer disease', 'Amyloidosis', 'Cancer-related genes', 'Disease variant', "}, {'gene': 'BDNF', 'name': 'brain derived neurotrophic factor', 'protein_class': "['Cancer-related genes', 'Human disease related genes', 'Pla", 'disease_involvement': "['Cancer-related genes']"}, {'gene': 'BIOGENESIS', 'name': 'ribosomal biogenesis factor', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'CREB1', 'name': 'cAMP responsive element binding protein 1', 'protein_class': "['Cancer-related genes', 'Disease related genes', 'Predicted", 'disease_involvement': "['Cancer-related genes']"}, {'gene': 'DMPK', 'name': 'DM1 protein kinase', 'protein_class': "['Disease related genes', 'Enzymes', 'Human disease related ", 'disease_involvement': "['Cataract']"}, {'gene': 'ESSENTIAL', 'name': 'essential tremor 2', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'FACTORS', 'name': 'interaction protein for cytohesin exchange factors 1', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'FOXO3', 'name': 'forkhead box O3', 'protein_class': "['Cancer-related genes', 'Disease related genes', 'Predicted", 'disease_involvement': "['Cancer-related genes', 'Proto-oncogene']"}, {'gene': 'GDNF', 'name': 'glial cell derived neurotrophic factor', 'protein_class': "['Cancer-related genes', 'Disease related genes', 'Human dis", 'disease_involvement': "['Cancer-related genes', 'Disease variant', 'Hirschsprung disease']"}, {'gene': 'GENES', 'name': 'MIR142 host genes', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'HMGCR', 'name': '3-hydroxy-3-methylglutaryl-CoA reductase', 'protein_class': "['Enzymes', 'Essential proteins', 'FDA approved drug targets", 'disease_involvement': "['Disease variant', 'FDA approved drug targets', 'Limb-girdle muscular dystrophy"}, {'gene': 'HTT', 'name': 'huntingtin', 'protein_class': "['Disease related genes', 'Human disease related genes', 'Pl", 'disease_involvement': "['Disease variant', 'Intellectual disability', 'Neurodegeneration']"}, {'gene': 'IDENTITY', 'name': 'TPD52-MRPS28 readthrough', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'INTEGRATED', 'name': 'CXXC finger protein 4', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'LDLR', 'name': 'low density lipoprotein receptor', 'protein_class': "['Disease related genes', 'Human disease related genes', 'Me", 'disease_involvement': "['Disease variant']"}, {'gene': 'MITOCHONDRIAL', 'name': 'ferritin mitochondrial', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'MSH3', 'name': 'mutS homolog 3', 'protein_class': "['Disease related genes', 'Human disease related genes', 'Pl", 'disease_involvement': '—'}, {'gene': 'MUTATIONS', 'name': 'deafness, autosomal recessive 83', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'NEURONAL', 'name': 'neuronal differentiation 6', 'protein_class': '—', 'disease_involvement': '—'}, {'gene': 'NRF2', 'name': 'NRF2 regulation associated lncRNA', 'protein_class': '—', 'disease_involvement': '—'}]
pd.DataFrame(ann_rows)
| gene | name | protein_class | disease_involvement | |
|---|---|---|---|---|
| 0 | APOE | apolipoprotein E | ['Cancer-related genes', 'Candidate cardiovasc... | ['Alzheimer disease', 'Amyloidosis', 'Cancer-r... |
| 1 | BDNF | brain derived neurotrophic factor | ['Cancer-related genes', 'Human disease relate... | ['Cancer-related genes'] |
| 2 | BIOGENESIS | ribosomal biogenesis factor | — | — |
| 3 | CREB1 | cAMP responsive element binding protein 1 | ['Cancer-related genes', 'Disease related gene... | ['Cancer-related genes'] |
| 4 | DMPK | DM1 protein kinase | ['Disease related genes', 'Enzymes', 'Human di... | ['Cataract'] |
| 5 | ESSENTIAL | essential tremor 2 | — | — |
| 6 | FACTORS | interaction protein for cytohesin exchange fac... | — | — |
| 7 | FOXO3 | forkhead box O3 | ['Cancer-related genes', 'Disease related gene... | ['Cancer-related genes', 'Proto-oncogene'] |
| 8 | GDNF | glial cell derived neurotrophic factor | ['Cancer-related genes', 'Disease related gene... | ['Cancer-related genes', 'Disease variant', 'H... |
| 9 | GENES | MIR142 host genes | — | — |
| 10 | HMGCR | 3-hydroxy-3-methylglutaryl-CoA reductase | ['Enzymes', 'Essential proteins', 'FDA approve... | ['Disease variant', 'FDA approved drug targets... |
| 11 | HTT | huntingtin | ['Disease related genes', 'Human disease relat... | ['Disease variant', 'Intellectual disability',... |
| 12 | IDENTITY | TPD52-MRPS28 readthrough | — | — |
| 13 | INTEGRATED | CXXC finger protein 4 | — | — |
| 14 | LDLR | low density lipoprotein receptor | ['Disease related genes', 'Human disease relat... | ['Disease variant'] |
| 15 | MITOCHONDRIAL | ferritin mitochondrial | — | — |
| 16 | MSH3 | mutS homolog 3 | ['Disease related genes', 'Human disease relat... | — |
| 17 | MUTATIONS | deafness, autosomal recessive 83 | — | — |
| 18 | NEURONAL | neuronal differentiation 6 | — | — |
| 19 | NRF2 | NRF2 regulation associated lncRNA | — | — |
2. GO Biological Process enrichment (Enrichr)¶
go_bp = [{'rank': 1, 'term': 'Regulation Of Neuron Apoptotic Process (GO:0043523)', 'p_value': 3.257034782011995e-06, 'odds_ratio': 49.20544554455446, 'genes': ['GDNF', 'BDNF', 'APOE', 'FOXO3']}, {'rank': 2, 'term': 'Positive Regulation Of Lipid Biosynthetic Process (GO:0046889)', 'p_value': 7.637120838980064e-06, 'odds_ratio': 97.76470588235294, 'genes': ['CREB1', 'APOE', 'LDLR']}, {'rank': 3, 'term': 'Memory (GO:0007613)', 'p_value': 2.5474983887326053e-05, 'odds_ratio': 63.93048128342246, 'genes': ['BDNF', 'APOE', 'LDLR']}, {'rank': 4, 'term': 'Negative Regulation Of Nitrogen Compound Metabolic Process (GO:0051172)', 'p_value': 5.196871583395421e-05, 'odds_ratio': 246.55555555555554, 'genes': ['APOE', 'LDLR']}, {'rank': 5, 'term': 'Negative Regulation Of Neuron Apoptotic Process (GO:0043524)', 'p_value': 5.297635608106871e-05, 'odds_ratio': 49.48384424192212, 'genes': ['GDNF', 'BDNF', 'APOE']}, {'rank': 6, 'term': 'Regulation Of Nitrogen Compound Metabolic Process (GO:0051171)', 'p_value': 7.361293042472065e-05, 'odds_ratio': 201.7070707070707, 'genes': ['APOE', 'LDLR']}, {'rank': 7, 'term': 'Negative Regulation Of Neuron Death (GO:1901215)', 'p_value': 8.888334603409306e-05, 'odds_ratio': 41.30449826989619, 'genes': ['GDNF', 'BDNF', 'APOE']}, {'rank': 8, 'term': 'Regulation Of Amyloid-Beta Clearance (GO:1900221)', 'p_value': 9.897575036981038e-05, 'odds_ratio': 170.65811965811966, 'genes': ['HMGCR', 'APOE']}, {'rank': 9, 'term': 'Regulation Of Protein Metabolic Process (GO:0051246)', 'p_value': 0.00011514055840279769, 'odds_ratio': 37.73624288425047, 'genes': ['APOE', 'FOXO3', 'LDLR']}, {'rank': 10, 'term': 'Regulation Of Myotube Differentiation (GO:0010830)', 'p_value': 0.00023734441315945642, 'odds_ratio': 105.60317460317461, 'genes': ['DMPK', 'BDNF']}]
go_df = pd.DataFrame(go_bp)[['term','p_value','odds_ratio','genes']]
go_df['p_value'] = go_df['p_value'].apply(lambda p: f'{p:.2e}')
go_df['odds_ratio'] = go_df['odds_ratio'].round(1)
go_df['term'] = go_df['term'].str[:60]
go_df['n_hits'] = go_df['genes'].apply(len)
go_df['genes'] = go_df['genes'].apply(lambda g: ', '.join(g))
go_df[['term','n_hits','p_value','odds_ratio','genes']]
| term | n_hits | p_value | odds_ratio | genes | |
|---|---|---|---|---|---|
| 0 | Regulation Of Neuron Apoptotic Process (GO:004... | 4 | 3.26e-06 | 49.2 | GDNF, BDNF, APOE, FOXO3 |
| 1 | Positive Regulation Of Lipid Biosynthetic Proc... | 3 | 7.64e-06 | 97.8 | CREB1, APOE, LDLR |
| 2 | Memory (GO:0007613) | 3 | 2.55e-05 | 63.9 | BDNF, APOE, LDLR |
| 3 | Negative Regulation Of Nitrogen Compound Metab... | 2 | 5.20e-05 | 246.6 | APOE, LDLR |
| 4 | Negative Regulation Of Neuron Apoptotic Proces... | 3 | 5.30e-05 | 49.5 | GDNF, BDNF, APOE |
| 5 | Regulation Of Nitrogen Compound Metabolic Proc... | 2 | 7.36e-05 | 201.7 | APOE, LDLR |
| 6 | Negative Regulation Of Neuron Death (GO:1901215) | 3 | 8.89e-05 | 41.3 | GDNF, BDNF, APOE |
| 7 | Regulation Of Amyloid-Beta Clearance (GO:1900221) | 2 | 9.90e-05 | 170.7 | HMGCR, APOE |
| 8 | Regulation Of Protein Metabolic Process (GO:00... | 3 | 1.15e-04 | 37.7 | APOE, FOXO3, LDLR |
| 9 | Regulation Of Myotube Differentiation (GO:0010... | 2 | 2.37e-04 | 105.6 | DMPK, BDNF |
import matplotlib.pyplot as plt
import numpy as np
go_bp = [{'rank': 1, 'term': 'Regulation Of Neuron Apoptotic Process (GO:0043523)', 'p_value': 3.257034782011995e-06, 'odds_ratio': 49.20544554455446, 'genes': ['GDNF', 'BDNF', 'APOE', 'FOXO3']}, {'rank': 2, 'term': 'Positive Regulation Of Lipid Biosynthetic Process (GO:0046889)', 'p_value': 7.637120838980064e-06, 'odds_ratio': 97.76470588235294, 'genes': ['CREB1', 'APOE', 'LDLR']}, {'rank': 3, 'term': 'Memory (GO:0007613)', 'p_value': 2.5474983887326053e-05, 'odds_ratio': 63.93048128342246, 'genes': ['BDNF', 'APOE', 'LDLR']}, {'rank': 4, 'term': 'Negative Regulation Of Nitrogen Compound Metabolic Process (GO:0051172)', 'p_value': 5.196871583395421e-05, 'odds_ratio': 246.55555555555554, 'genes': ['APOE', 'LDLR']}, {'rank': 5, 'term': 'Negative Regulation Of Neuron Apoptotic Process (GO:0043524)', 'p_value': 5.297635608106871e-05, 'odds_ratio': 49.48384424192212, 'genes': ['GDNF', 'BDNF', 'APOE']}, {'rank': 6, 'term': 'Regulation Of Nitrogen Compound Metabolic Process (GO:0051171)', 'p_value': 7.361293042472065e-05, 'odds_ratio': 201.7070707070707, 'genes': ['APOE', 'LDLR']}, {'rank': 7, 'term': 'Negative Regulation Of Neuron Death (GO:1901215)', 'p_value': 8.888334603409306e-05, 'odds_ratio': 41.30449826989619, 'genes': ['GDNF', 'BDNF', 'APOE']}, {'rank': 8, 'term': 'Regulation Of Amyloid-Beta Clearance (GO:1900221)', 'p_value': 9.897575036981038e-05, 'odds_ratio': 170.65811965811966, 'genes': ['HMGCR', 'APOE']}]
terms = [t['term'][:45] for t in go_bp][::-1]
neglogp = [-np.log10(max(t['p_value'], 1e-300)) for t in go_bp][::-1]
fig, ax = plt.subplots(figsize=(9, 4.5))
ax.barh(terms, neglogp, color='#4fc3f7')
ax.set_xlabel('-log10(p-value)')
ax.set_title('Top GO:BP enrichment (Enrichr)')
ax.grid(axis='x', alpha=0.3)
plt.tight_layout(); plt.show()
3. STRING protein interaction network¶
ppi = [{'protein1': 'APOE', 'protein2': 'BDNF', 'score': 0.477, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0, 'dscore': 0, 'tscore': 0.477}, {'protein1': 'APOE', 'protein2': 'LDLR', 'score': 0.783, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0.549, 'dscore': 0.54, 'tscore': 0}, {'protein1': 'REV1', 'protein2': 'BDNF', 'score': 0.4, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0, 'dscore': 0, 'tscore': 0.401}, {'protein1': 'HTT', 'protein2': 'CREB1', 'score': 0.963, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0.314, 'dscore': 0.8, 'tscore': 0.758}]
ppi_df = pd.DataFrame(ppi).sort_values('score', ascending=False)
display_cols = [c for c in ['protein1','protein2','score','escore','tscore'] if c in ppi_df.columns]
print(f'{len(ppi_df)} STRING edges')
ppi_df[display_cols].head(20)
4 STRING edges
| protein1 | protein2 | score | escore | tscore | |
|---|---|---|---|---|---|
| 3 | HTT | CREB1 | 0.963 | 0.314 | 0.758 |
| 1 | APOE | LDLR | 0.783 | 0.549 | 0.000 |
| 0 | APOE | BDNF | 0.477 | 0.000 | 0.477 |
| 2 | REV1 | BDNF | 0.400 | 0.000 | 0.401 |
import math
ppi = [{'protein1': 'APOE', 'protein2': 'BDNF', 'score': 0.477, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0, 'dscore': 0, 'tscore': 0.477}, {'protein1': 'APOE', 'protein2': 'LDLR', 'score': 0.783, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0.549, 'dscore': 0.54, 'tscore': 0}, {'protein1': 'REV1', 'protein2': 'BDNF', 'score': 0.4, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0, 'dscore': 0, 'tscore': 0.401}, {'protein1': 'HTT', 'protein2': 'CREB1', 'score': 0.963, 'nscore': 0, 'fscore': 0, 'pscore': 0, 'ascore': 0, 'escore': 0.314, 'dscore': 0.8, 'tscore': 0.758}]
if ppi:
nodes = sorted({p for e in ppi for p in (e['protein1'], e['protein2'])})
n = len(nodes)
pos = {n_: (math.cos(2*math.pi*i/n), math.sin(2*math.pi*i/n)) for i, n_ in enumerate(nodes)}
fig, ax = plt.subplots(figsize=(7, 7))
for e in ppi:
x1,y1 = pos[e['protein1']]; x2,y2 = pos[e['protein2']]
ax.plot([x1,x2],[y1,y2], color='#888', alpha=0.3+0.5*e.get('score',0))
for name,(x,y) in pos.items():
ax.scatter([x],[y], s=450, color='#ffd54f', edgecolors='#333', zorder=3)
ax.annotate(name, (x,y), ha='center', va='center', fontsize=8, fontweight='bold', zorder=4)
ax.set_aspect('equal'); ax.axis('off')
ax.set_title(f'STRING PPI network ({len(ppi)} edges)')
plt.tight_layout(); plt.show()
4. Reactome pathway footprint¶
pw_rows = [{'gene': 'APOE', 'n_pathways': 8, 'top_pathway': 'Nuclear signaling by ERBB4'}, {'gene': 'BDNF', 'n_pathways': 8, 'top_pathway': 'PIP3 activates AKT signaling'}, {'gene': 'BIOGENESIS', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'CREB1', 'n_pathways': 8, 'top_pathway': 'PKA-mediated phosphorylation of CREB'}, {'gene': 'DMPK', 'n_pathways': 1, 'top_pathway': 'Ion homeostasis'}, {'gene': 'ESSENTIAL', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'FACTORS', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'FOXO3', 'n_pathways': 8, 'top_pathway': 'Signaling by NODAL'}, {'gene': 'GDNF', 'n_pathways': 4, 'top_pathway': 'NCAM1 interactions'}, {'gene': 'GENES', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'HMGCR', 'n_pathways': 4, 'top_pathway': 'Cholesterol biosynthesis'}, {'gene': 'HTT', 'n_pathways': 1, 'top_pathway': 'Serotonin clearance from the synaptic cleft'}, {'gene': 'IDENTITY', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'INTEGRATED', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'LDLR', 'n_pathways': 5, 'top_pathway': 'Cargo recognition for clathrin-mediated endocytosis'}, {'gene': 'MITOCHONDRIAL', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'MSH3', 'n_pathways': 3, 'top_pathway': 'Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta)'}, {'gene': 'MUTATIONS', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'NEURONAL', 'n_pathways': 0, 'top_pathway': '—'}, {'gene': 'NRF2', 'n_pathways': 8, 'top_pathway': 'Neddylation'}]
pd.DataFrame(pw_rows).sort_values('n_pathways', ascending=False)
| gene | n_pathways | top_pathway | |
|---|---|---|---|
| 0 | APOE | 8 | Nuclear signaling by ERBB4 |
| 1 | BDNF | 8 | PIP3 activates AKT signaling |
| 3 | CREB1 | 8 | PKA-mediated phosphorylation of CREB |
| 7 | FOXO3 | 8 | Signaling by NODAL |
| 19 | NRF2 | 8 | Neddylation |
| 14 | LDLR | 5 | Cargo recognition for clathrin-mediated endocy... |
| 10 | HMGCR | 4 | Cholesterol biosynthesis |
| 8 | GDNF | 4 | NCAM1 interactions |
| 16 | MSH3 | 3 | Mismatch repair (MMR) directed by MSH2:MSH3 (M... |
| 11 | HTT | 1 | Serotonin clearance from the synaptic cleft |
| 4 | DMPK | 1 | Ion homeostasis |
| 2 | BIOGENESIS | 0 | — |
| 9 | GENES | 0 | — |
| 6 | FACTORS | 0 | — |
| 5 | ESSENTIAL | 0 | — |
| 12 | IDENTITY | 0 | — |
| 15 | MITOCHONDRIAL | 0 | — |
| 13 | INTEGRATED | 0 | — |
| 17 | MUTATIONS | 0 | — |
| 18 | NEURONAL | 0 | — |
5. Hypothesis ranking (14 hypotheses)¶
hyp_data = [('Prime Editing Precision Correction of APOE4 to APOE3 in', 0.827), ('Context-Dependent CRISPR Activation in Specific Neurona', 0.682), ('Temporal CAG Repeat Stabilization via CRISPR-Mediated D', 0.681), ('CRISPR-Mediated Mitochondrial Genome Editing for Comple', 0.681), ('Acid-Degradable LNP-Mediated Prenatal CRISPR Interventi', 0.638), ('Programmable Neuronal Circuit Repair via Epigenetic CRI', 0.63), ('Multi-Modal CRISPR Platform for Simultaneous Editing an', 0.629), ('Cholesterol-CRISPR Convergence Therapy for Neurodegener', 0.622), ('Trinucleotide Repeat Sequestration via CRISPR-Guided RN', 0.613), ("Epigenetic Memory Reprogramming for Alzheimer's Disease", 0.611), ('Metabolic Reprogramming via Coordinated Multi-Gene CRIS', 0.599), ('Multiplexed Base Editing for Simultaneous Neuroprotecti', 0.59), ('Epigenetic Memory Reprogramming via CRISPRa-Mediated Ch', 0.544), ('Conditional CRISPR Kill Switches for Aberrant Protein C', 0.496)]
titles = [h[0] for h in hyp_data][::-1]
scores = [h[1] for h in hyp_data][::-1]
fig, ax = plt.subplots(figsize=(10, max(8, len(titles)*0.4)))
colors = ['#ef5350' if s >= 0.6 else '#ffa726' if s >= 0.5 else '#66bb6a' for s in scores]
ax.barh(range(len(titles)), scores, color=colors)
ax.set_yticks(range(len(titles))); ax.set_yticklabels(titles, fontsize=7)
ax.set_xlabel('Composite Score'); ax.set_title('CRISPR-based therapeutic approaches for neurodegenerative diseases')
ax.grid(axis='x', alpha=0.3)
plt.tight_layout(); plt.show()
6. Score dimension heatmap (top 10)¶
labels = ['Prime Editing Precision Correction of AP', 'Context-Dependent CRISPR Activation in S', 'Temporal CAG Repeat Stabilization via CR', 'CRISPR-Mediated Mitochondrial Genome Edi', 'Acid-Degradable LNP-Mediated Prenatal CR', 'Programmable Neuronal Circuit Repair via', 'Multi-Modal CRISPR Platform for Simultan', 'Cholesterol-CRISPR Convergence Therapy f', 'Trinucleotide Repeat Sequestration via C', 'Epigenetic Memory Reprogramming for Alzh']
matrix = np.array([[0.8, 0.65, 0.85, 0.75, 0.682, 0.7, 0.75, 0.8, 0.7], [0.8, 0.4, 0.7, 0.7, 0.385, 0.7, 0.6, 0.3, 0.5], [0.75, 0.4, 0.7, 0.55, 0.597, 0.7, 0.6, 0.5, 0.25], [0.9, 0.3, 0.75, 0.5, 0.56, 0.4, 0.45, 0.4, 0.5], [0.95, 0.2, 0.8, 0.45, 0.638, 0.35, 0.3, 0.25, 0.15], [0.4, 0.2, 0.4, 0.7, 0.385, 0.825, 0.4, 0.7, 0.6], [0.4, 0.3, 0.3, 0.7, 0.385, 0.775, 0.4, 0.69, 0.6], [0.6, 0.6, 0.5, 0.5, 0.17, 0.6, 0.6, 0.7, 0.6], [0.7, 0.5, 0.7, 0.6, 0.09, 0.5, 0.5, 0.4, 0.4], [0.9, 0.3, 0.6, 0.4, 0.13, 0.4, 0.4, 0.2, 0.3]])
dims = ['novelty_score', 'feasibility_score', 'impact_score', 'mechanistic_plausibility_score', 'clinical_relevance_score', 'data_availability_score', 'reproducibility_score', 'druggability_score', 'safety_profile_score']
if matrix.size:
fig, ax = plt.subplots(figsize=(10, 5))
im = ax.imshow(matrix, cmap='RdYlGn', aspect='auto', vmin=0, vmax=1)
ax.set_xticks(range(len(dims)))
ax.set_xticklabels([d.replace('_score','').replace('_',' ').title() for d in dims],
rotation=45, ha='right', fontsize=8)
ax.set_yticks(range(len(labels))); ax.set_yticklabels(labels, fontsize=7)
ax.set_title('Score dimensions — top hypotheses')
plt.colorbar(im, ax=ax, shrink=0.8)
plt.tight_layout(); plt.show()
else:
print('No score data available')
7. PubMed literature per hypothesis¶
Hypothesis 1: Prime Editing Precision Correction of APOE4 to APOE3 in Microglia¶
Target genes: APOE · Composite score: 0.827
Mechanistic Overview¶
Prime Editing Precision Correction of APOE4 to APOE3 in Microglia starts from the claim that modulating APOE within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Prime Editing Precisi
lit_data = [{'year': '2020', 'journal': 'Autophagy', 'title': 'Activation of PPARA-mediated autophagy reduces Alzheimer disease-like pathology ', 'pmid': '30898012'}]
if lit_data:
df = pd.DataFrame(lit_data)
print(f'{len(lit_data)} PubMed results')
display(df)
else:
print('No PubMed results')
1 PubMed results
| year | journal | title | pmid | |
|---|---|---|---|---|
| 0 | 2020 | Autophagy | Activation of PPARA-mediated autophagy reduces... | 30898012 |
Hypothesis 2: Context-Dependent CRISPR Activation in Specific Neuronal Subtypes¶
Target genes: Cell-type-specific essential genes · Composite score: 0.682
Mechanistic Overview¶
Context-Dependent CRISPR Activation in Specific Neuronal Subtypes starts from the claim that modulating Cell-type-specific essential genes within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "**Background an
print('No PubMed results for hypothesis h-63b7bacd')
No PubMed results for hypothesis h-63b7bacd
Hypothesis 3: Temporal CAG Repeat Stabilization via CRISPR-Mediated DNA Mismatch Rep¶
Target genes: MSH3, PMS1 · Composite score: 0.681
Mechanistic Overview¶
Temporal CAG Repeat Stabilization via CRISPR-Mediated DNA Mismatch Repair Modulation starts from the claim that modulating MSH3, PMS1 within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Mechanistic Overv
print('No PubMed results for hypothesis h-3e7d4f97')
No PubMed results for hypothesis h-3e7d4f97
Hypothesis 4: CRISPR-Mediated Mitochondrial Genome Editing for Complex I Dysfunction¶
Target genes: MT-ND1, MT-ND4, MT-ND6 · Composite score: 0.681
Mechanistic Overview¶
CRISPR-Mediated Mitochondrial Genome Editing for Complex I Dysfunction starts from the claim that modulating MT-ND1, MT-ND4, MT-ND6 within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Mechanistic Overvie
print('No PubMed results for hypothesis h-420db533')
No PubMed results for hypothesis h-420db533
Hypothesis 5: Acid-Degradable LNP-Mediated Prenatal CRISPR Intervention for Severe N¶
Target genes: SOD1, HTT, TARDBP · Composite score: 0.638
Molecular Mechanism and Rationale¶
The molecular foundation for acid-degradable lipid nanoparticle (ADP-LNP)-mediated prenatal CRISPR intervention centers on the pathological mechanisms underlying severe neurodevelopmental forms of neurodegeneration caused by dominant mutations in SOD1, HTT, and
print('No PubMed results for hypothesis h-10b5bf6f')
No PubMed results for hypothesis h-10b5bf6f
Hypothesis 6: Programmable Neuronal Circuit Repair via Epigenetic CRISPR¶
Target genes: NURR1, PITX3, neuronal identity transcription factors · Composite score: 0.63
Mechanistic Overview¶
Programmable Neuronal Circuit Repair via Epigenetic CRISPR starts from the claim that modulating NURR1, PITX3, neuronal identity transcription factors within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "**B
print('No PubMed results for hypothesis h-9d22b570')
No PubMed results for hypothesis h-9d22b570
Hypothesis 7: Multi-Modal CRISPR Platform for Simultaneous Editing and Monitoring¶
Target genes: Disease-causing mutations with integrated reporters · Composite score: 0.629
Mechanistic Overview¶
Multi-Modal CRISPR Platform for Simultaneous Editing and Monitoring starts from the claim that modulating Disease-causing mutations with integrated reporters within the disease context of neurodegeneration can redirect a disease-relevant process. The original description read
print('No PubMed results for hypothesis h-e23f05fb')
No PubMed results for hypothesis h-e23f05fb
Hypothesis 8: Cholesterol-CRISPR Convergence Therapy for Neurodegeneration¶
Target genes: HMGCR, LDLR, APOE regulatory regions · Composite score: 0.622
Mechanistic Overview¶
Cholesterol-CRISPR Convergence Therapy for Neurodegeneration starts from the claim that modulating HMGCR, LDLR, APOE regulatory regions within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "**Background and R
print('No PubMed results for hypothesis h-a87702b6')
No PubMed results for hypothesis h-a87702b6
Hypothesis 9: Trinucleotide Repeat Sequestration via CRISPR-Guided RNA Targeting¶
Target genes: HTT, DMPK, repeat-containing transcripts · Composite score: 0.613
Mechanistic Overview¶
Trinucleotide Repeat Sequestration via CRISPR-Guided RNA Targeting starts from the claim that modulating HTT, DMPK, repeat-containing transcripts within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "Trinucle
print('No PubMed results for hypothesis h-3a4f2027')
No PubMed results for hypothesis h-3a4f2027
Hypothesis 10: Epigenetic Memory Reprogramming for Alzheimer's Disease¶
Target genes: BDNF, CREB1, synaptic plasticity genes · Composite score: 0.611
Mechanistic Overview¶
Epigenetic Memory Reprogramming for Alzheimer's Disease starts from the claim that modulating BDNF, CREB1, synaptic plasticity genes within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "**Background and Rati
print('No PubMed results for hypothesis h-29ef94d5')
No PubMed results for hypothesis h-29ef94d5
Hypothesis 11: Metabolic Reprogramming via Coordinated Multi-Gene CRISPR Circuits¶
Target genes: PGC1A, SIRT1, FOXO3, mitochondrial biogenesis genes · Composite score: 0.599
Mechanistic Overview¶
Metabolic Reprogramming via Coordinated Multi-Gene CRISPR Circuits starts from the claim that modulating PGC1A, SIRT1, FOXO3, mitochondrial biogenesis genes within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads
print('No PubMed results for hypothesis h-827a821b')
No PubMed results for hypothesis h-827a821b
Hypothesis 12: Multiplexed Base Editing for Simultaneous Neuroprotective Gene Activat¶
Target genes: SOD1, TARDBP, BDNF, GDNF, IGF-1 · Composite score: 0.59
Mechanistic Overview¶
Multiplexed Base Editing for Simultaneous Neuroprotective Gene Activation starts from the claim that modulating SOD1, TARDBP, BDNF, GDNF, IGF-1 within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Multipl
print('No PubMed results for hypothesis h-47ab2be5')
No PubMed results for hypothesis h-47ab2be5
Hypothesis 13: Epigenetic Memory Reprogramming via CRISPRa-Mediated Chromatin Remodel¶
Target genes: SIRT1, FOXO3, NRF2, TFAM · Composite score: 0.544
Mechanistic Overview¶
Epigenetic Memory Reprogramming via CRISPRa-Mediated Chromatin Remodeling starts from the claim that modulating SIRT1, FOXO3, NRF2, TFAM within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Epigenetic Mem
print('No PubMed results for hypothesis h-7c3c0f40')
No PubMed results for hypothesis h-7c3c0f40
Hypothesis 14: Conditional CRISPR Kill Switches for Aberrant Protein Clearance¶
Target genes: UBE3A, PARK2, PINK1 · Composite score: 0.496
Mechanistic Overview¶
Conditional CRISPR Kill Switches for Aberrant Protein Clearance starts from the claim that modulating UBE3A, PARK2, PINK1 within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Conditio
print('No PubMed results for hypothesis h-a11f71b5')
No PubMed results for hypothesis h-a11f71b5
8. Knowledge graph edges (421 total)¶
edge_data = [{'source': 'SDA-2026-04-02-gap-crispr-neur', 'relation': 'generated', 'target': 'h-e23f05fb', 'strength': 0.95}, {'source': 'SDA-2026-04-02-gap-crispr-neur', 'relation': 'generated', 'target': 'h-29ef94d5', 'strength': 0.95}, {'source': 'SDA-2026-04-02-gap-crispr-neur', 'relation': 'generated', 'target': 'h-827a821b', 'strength': 0.95}, {'source': 'SDA-2026-04-02-gap-crispr-neur', 'relation': 'generated', 'target': 'h-a87702b6', 'strength': 0.95}, {'source': 'SDA-2026-04-02-gap-crispr-neur', 'relation': 'generated', 'target': 'h-3a4f2027', 'strength': 0.95}, {'source': 'APOE4 mutation', 'relation': 'causes (APOE4 C130R mutat', 'target': "Alzheimer's pathology", 'strength': 0.9}, {'source': 'MSH3', 'relation': 'causes (MSH3 drives somat', 'target': 'CAG repeat expansion', 'strength': 0.85}, {'source': 'PMS1', 'relation': 'causes (PMS1 drives somat', 'target': 'CAG repeat expansion', 'strength': 0.85}, {'source': 'protein aggregation', 'relation': 'causes (protein aggregati', 'target': 'pathological spreading', 'strength': 0.85}, {'source': 'complex I deficiency', 'relation': 'causes (complex I defects', 'target': "Parkinson's disease", 'strength': 0.8}, {'source': 'prime editing conversion of AP', 'relation': 'causes (converting diseas', 'target': 'reduced amyloid plaque burden', 'strength': 0.8}, {'source': 'CRISPRi downregulation of MSH3', 'relation': 'causes (selective downreg', 'target': 'CAG repeat stability', 'strength': 0.75}, {'source': 'CAG repeat expansion reduction', 'relation': 'causes (30-50% reduction ', 'target': "delayed Huntington's disease o", 'strength': 0.75}, {'source': 'mitochondrial dysfunction', 'relation': 'causes (mitochondrial dys', 'target': 'ALS', 'strength': 0.75}, {'source': 'multiplexed base editing', 'relation': 'causes (CRISPRa coupled w', 'target': 'GDNF upregulation', 'strength': 0.7}, {'source': 'h-42f50a4a', 'relation': 'implicated_in', 'target': 'neurodegeneration', 'strength': 0.7}, {'source': 'epigenetic silencing', 'relation': 'causes (epigenetic silenc', 'target': 'neurodegeneration', 'strength': 0.7}, {'source': 'multiplexed base editing', 'relation': 'causes (CRISPRa coupled w', 'target': 'BDNF upregulation', 'strength': 0.7}, {'source': 'h-3e7d4f97', 'relation': 'implicated_in', 'target': 'neurodegeneration', 'strength': 0.65}, {'source': 'h-3e7d4f97', 'relation': 'targets', 'target': 'PMS1', 'strength': 0.65}, {'source': 'CRISPRa with chromatin modifie', 'relation': 'causes (CRISPRa with chro', 'target': 'neuroprotective gene reactivat', 'strength': 0.65}, {'source': 'Cell-type-specific essential g', 'relation': 'associated_with', 'target': 'neurodegeneration', 'strength': 0.6}, {'source': 'h-47ab2be5', 'relation': 'implicated_in', 'target': 'neurodegeneration', 'strength': 0.55}, {'source': 'repeat-containing transcripts', 'relation': 'interacts_with', 'target': 'HTT', 'strength': 0.54}, {'source': 'repeat-containing transcripts', 'relation': 'associated_with', 'target': 'neurodegeneration', 'strength': 0.54}]
if edge_data:
pd.DataFrame(edge_data).head(25)
else:
print('No KG edge data available')
Caveats¶
This notebook uses real Forge tool calls from live APIs:
- Enrichment is against curated gene-set libraries (Enrichr)
- STRING/Reactome/HPA/MyGene reflect curated knowledge
- PubMed literature is search-relevance ranked, not systematic review
The cached evidence bundle is the minimum viable real-data analysis for this topic.