PCDH8

gene
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Also known as PAPCARCADLIN

Summary

PCDH8 (protocadherin 8, HGNC:8660) is a protein-coding gene on chromosome 13q14.3, encoding Protocadherin-8 (O95206). Calcium-dependent cell-adhesion protein.

This gene belongs to the protocadherin gene family, a subfamily of the cadherin superfamily. The gene encodes an integral membrane protein that is thought to function in cell adhesion in a CNS-specific manner. Unlike classical cadherins, which are generally encoded by 15-17 exons, this gene includes only 3 exons. Notable is the large first exon encoding the extracellular region, including 6 cadherin domains and a transmembrane region. Alternative splicing yields isoforms with unique cytoplasmic tails.

Source: NCBI Gene 5100 — RefSeq curated summary.

At a glance

  • GWAS associations: 6
  • Clinical variants (ClinVar): 177 total — 1 pathogenic
  • MANE Select transcript: NM_002590

Identifiers

Gene identifiers

FieldValue
HGNC IDHGNC:8660
Approved symbolPCDH8
Nameprotocadherin 8
Location13q14.3
Locus typegene with protein product
StatusApproved
AliasesPAPC, ARCADLIN
Ensembl geneENSG00000136099
Ensembl biotypeprotein_coding
OMIM603580
Entrez5100

Gene structure

Transcript identifiers

Ensembl transcripts: 3 — 2 protein_coding, 1 retained_intron

ENST00000338862, ENST00000377942, ENST00000613548

RefSeq mRNA: 2 — MANE Select: NM_002590 NM_002590, NM_032949

CCDS: CCDS9438, CCDS9439

Canonical transcript exons

ENST00000377942 — 3 exons

ExonStartEnd
ENSE000008369885284542552845632
ENSE000014755895284580652848640
ENSE000019328725284288952844933

Expression profiles

Bgee: expression breadth ubiquitous, 149 present calls, max score 97.40.

FANTOM5 (CAGE): breadth broad, TPM avg 3.0570 / max 147.3356, expressed in 315 samples.

FANTOM5 promoters (1 alternative TSS)

Promoter IDTPM avgSamples expressed
1374333.0570315

Top tissues by expression

274 total, by Bgee expression score (0-100, higher = more expressed):

TissueAnatomy IDExpression scoreQuality
Brodmann (1909) area 23UBERON:001355497.40gold quality
frontal poleUBERON:000279592.15gold quality
endothelial cellCL:000011591.85gold quality
middle temporal gyrusUBERON:000277191.40gold quality
Brodmann (1909) area 10UBERON:001354189.95gold quality
dorsolateral prefrontal cortexUBERON:000983488.66gold quality
primary visual cortexUBERON:000243688.54gold quality
Brodmann (1909) area 9UBERON:001354087.55gold quality
superior frontal gyrusUBERON:000266187.43gold quality
nucleus accumbensUBERON:000188286.90gold quality
prefrontal cortexUBERON:000045186.78gold quality
frontal cortexUBERON:000187086.44gold quality
neocortexUBERON:000195086.25gold quality
cingulate cortexUBERON:000302786.25gold quality
anterior cingulate cortexUBERON:000983586.19gold quality
cerebral cortexUBERON:000095686.10gold quality
occipital lobeUBERON:000202185.80gold quality
caudate nucleusUBERON:000187385.31gold quality
right frontal lobeUBERON:000281084.98gold quality
telencephalonUBERON:000189384.46gold quality
orbitofrontal cortexUBERON:000416784.07gold quality
parietal lobeUBERON:000187283.82gold quality
Ammon’s hornUBERON:000195483.52gold quality
entorhinal cortexUBERON:000272883.37gold quality
postcentral gyrusUBERON:000258183.30gold quality
ganglionic eminenceUBERON:000402383.23gold quality
dorsal root ganglionUBERON:000004482.63gold quality
CA1 field of hippocampusUBERON:000388182.63gold quality
Brodmann (1909) area 46UBERON:000648382.12gold quality
forebrainUBERON:000189081.97gold quality

Single-cell (SCXA)

Detected in 1 experiment(s), a significant marker in 0.

ExperimentMarker?Max mean expression
E-ANND-3no2.12

Regulation

Is transcription factor: no

Upstream regulators (CollecTRI, top): MESP2, STAT3

miRNA regulators (miRDB)

98 targeting PCDH8, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):

miRNAMax scoreAvg scoremiRNA target_count
HSA-MIR-190A-3P100.0080.355520
HSA-MIR-98-3P100.0074.083907
HSA-LET-7A-3P100.0074.033932
HSA-LET-7B-3P100.0074.083913
HSA-LET-7F-1-3P100.0074.023928
HSA-MIR-5692A100.0074.406850
HSA-MIR-3163100.0077.238605
HSA-MIR-548C-3P99.9974.017587
HSA-MIR-428299.9975.366408
HSA-MIR-4666A-3P99.9671.713434
HSA-MIR-551B-5P99.9671.283493
HSA-MIR-568899.9673.234504
HSA-MIR-548AA99.9670.643753
HSA-MIR-548AP-3P99.9670.643753
HSA-MIR-548T-3P99.9670.643753
HSA-MIR-495-3P99.9672.814197
HSA-MIR-391099.9571.132227
HSA-MIR-96-5P99.9572.802140
HSA-MIR-101-3P99.9475.032230
HSA-MIR-9983-3P99.9471.483631
HSA-MIR-141-3P99.9472.792421
HSA-MIR-200A-3P99.9472.682420
HSA-MIR-381-3P99.9371.872854
HSA-MIR-218-5P99.9372.222103
HSA-MIR-30099.9271.762856
HSA-MIR-450B-5P99.9271.483175
HSA-MIR-1213399.9271.822006
HSA-MIR-7-1-3P99.9171.534384
HSA-MIR-7-2-3P99.9171.404394
HSA-MIR-1271-5P99.9171.991972

Literature-anchored findings (GeneRIF, showing 15)

  • These results suggest that any contribution of PCDH8 polymorphisms to schizophrenia susceptibility is likely to be weak, although the existence of rare variations of stronger effect cannot be excluded. (PMID:12884975)
  • Loss of PCDH8 promotes oncogenesis in epithelial human cancers by disrupting cell-cell communication dedicated to tissue organization and repression of mitogenic signaling. (PMID:18408767)
  • Frequently inactivation by promoter methylation of Protocadherin8 is associated with nasopharyngeal carcinoma. (PMID:22273848)
  • Loss of the PCDH8 gene is one of the probable causes of psychomotor delay in RB1-deleted patients. (PMID:22909775)
  • study demonstrates the epigenetic inactivation of PCDH8 by promoter methylation and its tumor suppressor function in gastric cancer (PMID:22941331)
  • PCDH8 methylation may be a useful biomarker to predict the progression of clear cell renal cell carcinoma. (PMID:25416427)
  • Promoter methylation of protocadherin8 is a frequent event in prostate cancer, and might be used as an independent prognostic factor for biochemical recurrence-free survival in patients with prostate cancer. (PMID:25486497)
  • PCDH8 methylation may be associated with tumor progression and poor prognosis in non-muscle invasive bladder cancer. (PMID:25927589)
  • The methylation of PCDH8 in serum is a potential predictive marker for prostate cancer patients with low Gleason score. (PMID:29026066)
  • Protocadherin-8 might be considered as a candidate tumor suppressor and play a crucial role in the progression of Ovarian cancer. (PMID:29324532)
  • Study showed that high expression of PCDH8 was significantly correlated with poorer prognosis in gastric cancer (GC). Its ectopic expression in GC cells promoted invasion, migration and, metastasis; on the contrary, its knockdown inhibited invasion and migration of GC cell lines through LAMC2 regulation. (PMID:29325230)
  • Serum downregulated miR-940 may serve as a reliable diagnostic and prognostic biomarker in breast cancer patients. (PMID:29865037)
  • Protocadherin 8 (PCDH8) Inhibits Proliferation, Migration, Invasion, and Angiogenesis in Esophageal Squamous Cell Carcinoma. (PMID:32330123)
  • PCDH8 participates in the growth process of colorectal cancer cells by regulating the AKT/GSK3beta/beta-catenin signaling pathway. (PMID:35907345)
  • PCDH8 is a novel prognostic biomarker in thyroid cancer and promotes cell proliferation and viability. (PMID:38368303)

Cross-species orthologs

3 orthologs

OrganismSymbolGene ID
danio_rerioPCDH8ENSDARG00000102185
mus_musculusPcdh8ENSMUSG00000036422
rattus_norvegicusPcdh8ENSRNOG00000013101

Paralogs (61): PCDHB4 (ENSG00000081818), PCDHA6 (ENSG00000081842), PCDHGA2 (ENSG00000081853), PCDHB2 (ENSG00000112852), PCDHB3 (ENSG00000113205), PCDHB5 (ENSG00000113209), PCDHB6 (ENSG00000113211), PCDHB7 (ENSG00000113212), PCDHB15 (ENSG00000113248), PCDH12 (ENSG00000113555), PCDH17 (ENSG00000118946), PCDHB8 (ENSG00000120322), PCDHB10 (ENSG00000120324), PCDHB14 (ENSG00000120327), PCDHB12 (ENSG00000120328), PCDH10 (ENSG00000138650), PCDH15 (ENSG00000150275), PCDH19 (ENSG00000165194), CDH16 (ENSG00000166589), PCDHB1 (ENSG00000171815), PCDHB9 (ENSG00000177839), PCDHB13 (ENSG00000187372), CDHR4 (ENSG00000187492), PCDH18 (ENSG00000189184), PCDHB11 (ENSG00000197479), PCDHGA1 (ENSG00000204956), PCDHA9 (ENSG00000204961), PCDHA8 (ENSG00000204962), PCDHA7 (ENSG00000204963), PCDHA5 (ENSG00000204965), PCDHA4 (ENSG00000204967), PCDHA2 (ENSG00000204969), PCDHA1 (ENSG00000204970), PCDHA13 (ENSG00000239389), PCDHGC3 (ENSG00000240184), PCDHGC5 (ENSG00000240764), PCDHGC4 (ENSG00000242419), PCDHAC2 (ENSG00000243232), PCDHAC1 (ENSG00000248383), PCDHA11 (ENSG00000249158)

Protein

Protein identifiers

Protocadherin-8O95206 (reviewed: O95206)

Alternative names: Arcadlin

All UniProt accessions (1): O95206

UniProt curated annotations — full annotation on UniProt →

Function. Calcium-dependent cell-adhesion protein. May play a role in activity-induced synaptic reorganization underlying long term memory. Could be involved in CDH2 internalization through TAOK2/p38 MAPK pathway. In hippocampal neurons, may play a role in the down-regulation of dendritic spines, maybe through its action on CDH2 endocytosis.

Subunit / interactions. The N-terminal extracellular domain forms homophilic interactions; these interactions activate p38 MAPK via TAOK2 and trigger endocytosis. Interacts with CDH2; this interaction may lead to CDH2 cointernalization. Interacts with CDH11. Interacts with TAOK2.

Subcellular location. Cell membrane. Cell projection. Dendrite. Presynaptic cell membrane. Postsynaptic cell membrane.

Isoforms (2)

UniProt IDNamesCanonical?
O95206-11yes
O95206-22

RefSeq proteins (2): NP_002581, NP_116567 (=MANE)

Domains & families (InterPro)

IDNameType
IPR002126Cadherin-like_domDomain
IPR013164Cadherin_NDomain
IPR015919Cadherin-like_sfHomologous_superfamily
IPR020894Cadherin_CSConserved_site
IPR050174Protocadherin/Cadherin-CAFamily

Pfam: PF00028, PF08266

UniProt features (57 total): strand 18, domain 6, region of interest 5, sequence variant 5, compositionally biased region 4, turn 4, glycosylation site 3, helix 3, topological domain 2, sequence conflict 2, signal peptide 1, chain 1, modified residue 1, splice variant 1, transmembrane region 1

Structure

Experimental structures (PDB)

1 structures.

PDBMethodResolution (Å)
6VFVX-RAY DIFFRACTION2.9

Predicted structure (AlphaFold)

ModelpLDDTFraction very-high
AF-O95206-F170.230.43

Functional residue map

Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.

Post-translational modifications (1): 1054

Glycosylation sites (3): 70, 464, 616

Function

Pathways and Gene Ontology

Reactome pathways

0 pathways

MSigDB gene sets: 198 (showing top): GSE45365_CD8A_DC_VS_CD11B_DC_IFNAR_KO_UP, GOBP_MORPHOGENESIS_OF_AN_EPITHELIUM, GOBP_EMBRYO_DEVELOPMENT_ENDING_IN_BIRTH_OR_EGG_HATCHING, GOBP_EPITHELIUM_DEVELOPMENT, BENPORATH_ES_WITH_H3K27ME3, YAGI_AML_WITH_INV_16_TRANSLOCATION, STAEGE_EWING_FAMILY_TUMOR, GOBP_MORPHOGENESIS_OF_EMBRYONIC_EPITHELIUM, CEBPB_01, GOBP_CELL_CELL_SIGNALING, GOBP_CELL_CELL_ADHESION, GTGCCTT_MIR506, TCF4_Q5, GOBP_CELL_JUNCTION_ORGANIZATION, MODULE_205

GO Biological Process (9): somitogenesis (GO:0001756), homophilic cell-cell adhesion (GO:0007156), cell-cell signaling (GO:0007267), chemical synaptic transmission (GO:0007268), morphogenesis of embryonic epithelium (GO:0016331), modulation of chemical synaptic transmission (GO:0050804), cell-cell adhesion (GO:0098609), regulation of synaptic membrane adhesion (GO:0099179), cell adhesion (GO:0007155)

GO Molecular Function (2): calcium ion binding (GO:0005509), cell adhesion molecule binding (GO:0050839)

GO Cellular Component (9): plasma membrane (GO:0005886), dendrite (GO:0030425), presynaptic membrane (GO:0042734), synapse (GO:0045202), postsynaptic membrane (GO:0045211), Schaffer collateral - CA1 synapse (GO:0098685), glutamatergic synapse (GO:0098978), membrane (GO:0016020), cell projection (GO:0042995)

GO top-level categories

Rollup of top GO terms by namespace:

CategoryTerms
synaptic membrane2
synapse2
cellular anatomical structure2
anterior/posterior pattern specification1
segmentation1
chordate embryonic development1
anatomical structure formation involved in morphogenesis1
somite development1
cell-cell adhesion1
cell communication1
signaling1
anterograde trans-synaptic signaling1
morphogenesis of an epithelium1
embryonic morphogenesis1
chemical synaptic transmission1
regulation of trans-synaptic signaling1
cell adhesion1
regulation of cell-cell adhesion1
regulation of synapse organization1
synaptic membrane adhesion1
cellular process1
metal ion binding1
protein binding1
membrane1
cell periphery1
neuron projection1
dendritic tree1
presynapse1
cell junction1
postsynapse1

Protein interactions and networks

STRING

1500 interactions, top by confidence (×1000):

Protein AProtein BPartner UniProtScore
PCDH8DIPK2AQ8NDZ4715
PCDH8CDH2P19022626
PCDH8TAOK2Q9UL54582
PCDH8PCDH11XQ9BZA7560
PCDH8CDH17Q12864555
PCDH8ATP7BP35670553
PCDH8STX2P32856507
PCDH8CALB1P05937425
PCDH8PENKP01210424
PCDH8SLC17A7Q9P2U7422
PCDH8CFHP08603419
PCDH8GAD1Q99259418
PCDH8DRD2P14416416
PCDH8PCDH19Q8TAB3416
PCDH8IREB2P48200412

IntAct

7 interactions, top by confidence:

ABTypeScore
PCDH8BTRCpsi-mi:“MI:0915”(physical association)0.370
ITM2BILVBLpsi-mi:“MI:0914”(association)0.350
SYNGAP1POM121Cpsi-mi:“MI:0914”(association)0.350
HCN1POTEFpsi-mi:“MI:0914”(association)0.350
BRK1PCDH8psi-mi:“MI:0914”(association)0.350
UBQLN4PCDH8psi-mi:“MI:0915”(physical association)0.000

BioGRID (3): PCDH8 (Affinity Capture-MS), PCDH8 (Two-hybrid), PCDH8 (Two-hybrid)

ESM2 similar proteins: A2A699, A2XVC2, A8MVW0, B0F2B4, D3ZE55, O09017, O14492, O62763, O95206, P10588, P21836, P22303, P23795, P36196, P37136, P43029, P43136, P50427, Q14003, Q29RK8, Q2QXZ2, Q2RAQ5, Q3U0S6, Q495W5, Q4ACU6, Q5T442, Q5U651, Q5ZMM1, Q62888, Q62889, Q63959, Q69ZK9, Q6UXK2, Q76KP1, Q7FA29, Q7Z4P5, Q80WV3, Q80XF7, Q869C3, Q8BQU6

Diamond homologs: A7MB46, D3ZE55, F8W3X3, O14917, O55134, O60330, O88689, O95206, Q5DRA2, Q5DRA3, Q5DRA4, Q5DRA5, Q5DRA6, Q5DRA7, Q5DRA8, Q5DRA9, Q5DRB0, Q5DRB1, Q5DRB2, Q5DRB3, Q5DRB4, Q5DRB5, Q5DRB6, Q5DRB7, Q5DRB8, Q5DRB9, Q5DRC0, Q5DRC1, Q5DRC2, Q5DRC6, Q5DRD3, Q5DRD6, Q5DRE0, Q5DRE1, Q5DRE3, Q5DRE4, Q5DRE5, Q5DRE6, Q5DRE7, Q5DRE8

SIGNOR signaling

0 interactions.

Disease & clinical

Clinical variants and AI predictions

ClinVar

177 variants total. Per-class counts are floors (≥ shown; pagination cap):

ClassificationCount (floor)
Pathogenic1
Likely pathogenic0
Uncertain significance161
Likely benign9
Benign6

Top pathogenic / likely-pathogenic (1)

Variant IDHGVSClassification
1527762GRCh37/hg19 13q13.1-21.31(chr13:32946120-62698217)Pathogenic

SpliceAI

351 predictions. Top by Δscore:

VariantEffectΔscore
13:52845093:T:TAdonor_gain1.0000
13:52845419:CCTCA:Cdonor_loss1.0000
13:52845420:CTCA:Cdonor_loss1.0000
13:52845421:TCA:Tdonor_loss1.0000
13:52845422:CA:Cdonor_loss1.0000
13:52845423:A:Tdonor_loss1.0000
13:52845424:CCA:Cdonor_gain1.0000
13:52845424:CCACT:Cdonor_gain1.0000
13:52845134:CAG:Cacceptor_gain0.9900
13:52845137:C:CCacceptor_gain0.9900
13:52845423:A:ACdonor_gain0.9900
13:52845423:AC:Adonor_gain0.9900
13:52845424:C:CCdonor_gain0.9900
13:52845424:CC:Cdonor_gain0.9900
13:52845448:T:TAdonor_gain0.9900
13:52845628:TAGGG:Tacceptor_gain0.9900
13:52845645:A:ACacceptor_gain0.9900
13:52845418:T:TAdonor_gain0.9800
13:52845629:AGGG:Aacceptor_gain0.9800
13:52845630:GGG:Gacceptor_gain0.9800
13:52845631:GG:Gacceptor_gain0.9800
13:52845632:GCTG:Gacceptor_loss0.9800
13:52845633:C:CCacceptor_gain0.9800
13:52845633:CTG:Cacceptor_loss0.9800
13:52845637:A:Tacceptor_gain0.9800
13:52845645:A:Cacceptor_gain0.9800
13:52845427:CT:Cdonor_gain0.9700
13:52846098:T:TAdonor_gain0.9700
13:52845133:TCAGC:Tacceptor_loss0.9600
13:52845135:AGCT:Aacceptor_loss0.9600

AlphaMissense

6842 scored. Top likely-pathogenic:

VariantProtein changeam_pathogenicity
13:52846160:G:CS759R1.000
13:52846160:G:TS759R1.000
13:52846162:T:GS759R1.000
13:52845487:T:AD926V0.999
13:52845487:T:GD926A0.999
13:52845488:C:GD926H0.999
13:52845498:A:CS922R0.999
13:52845498:A:TS922R0.999
13:52845500:T:GS922R0.999
13:52846159:A:GC760R0.999
13:52846628:G:CN603K0.999
13:52846628:G:TN603K0.999
13:52846629:T:AN603I0.999
13:52847025:T:GD471A0.999
13:52847026:C:GD471H0.999
13:52847127:A:CF437C0.999
13:52847127:A:GF437S0.999
13:52847178:T:AD420V0.999
13:52847382:G:TP352H0.999
13:52847393:A:CN348K0.999
13:52847393:A:TN348K0.999
13:52847394:T:AN348I0.999
13:52847400:T:AD346V0.999
13:52847418:A:TV340D0.999
13:52847520:A:TL306H0.999
13:52847547:A:GF297S0.999
13:52847895:A:CF181C0.999
13:52847895:A:GF181S0.999
13:52848050:G:CN129K0.999
13:52848050:G:TN129K0.999

dbSNP variants (sampled 300 via entrez): RS1000022179 (13:52846341 G>A,C,T), RS1000190284 (13:52845444 G>A,T), RS1000633573 (13:52843775 T>G), RS1000663322 (13:52843342 T>C), RS1000723541 (13:52845723 A>C,G), RS1000885088 (13:52849814 G>A), RS1001196346 (13:52843756 A>T), RS1001229239 (13:52850599 T>A), RS1001261742 (13:52850172 G>C,T), RS1001730836 (13:52844199 T>A), RS1002139713 (13:52844226 C>A,T), RS1003672570 (13:52846924 A>G,T), RS1004303179 (13:52842578 G>A), RS1004330925 (13:52844631 C>A), RS1004376307 (13:52848625 G>T)

Disease associations

OMIM: gene MIM:603580 | disease phenotypes:

GenCC curated gene-disease

Mondo (0):

Orphanet (0):

HPO phenotypes

0 total (0 of 0 shown, HPO-id order):

GWAS associations

6 associations (top):

StudyTraitp-value
GCST001547_4Immune response to anthrax vaccine8.000000e-06
GCST001621_12Airflow obstruction8.000000e-07
GCST004070_10Cerebrospinal P-tau181p levels6.000000e-09
GCST009391_1401Metabolite levels2.000000e-06
GCST009391_1406Metabolite levels5.000000e-06
GCST009391_1788Metabolite levels5.000000e-06

EFO canonical traits (7, from GWAS)

EFO IDTrait name
EFO:0004645response to vaccine
EFO:0003892pulmonary function measurement
EFO:0004763p-tau measurement
EFO:00051325-HIAA measurement
EFO:0004468glucose measurement
EFO:0010477fructose measurement
EFO:0010481galactose measurement

Drugs & pharmacology

Drug and pharmacology data

Is drug target: no

PharmGKB: 1 entry (VIP=true, CPIC=false)

CTD chemical–gene interactions

39 total (human), top 30 by PubMed support.

ChemicalActions (top 5)PubMed papers
Valproic Acidaffects expression, decreases expression, increases expression, increases methylation8
trichostatin Aaffects cotreatment, increases expression3
methylmercuric chloridedecreases expression, increases expression2
bisphenol Adecreases methylation, increases methylation, affects cotreatment2
entinostatincreases expression, affects cotreatment2
Panobinostatincreases expression, affects cotreatment2
Tetrachlorodibenzodioxinaffects cotreatment, increases expression, decreases expression2
p-Chloromercuribenzoic Acidaffects cotreatment, decreases expression2
N(4)-hydroxycytidinedecreases expression1
arseniteincreases methylation1
afimoxifeneincreases expression1
sodium arseniteincreases expression1
mercuric bromideaffects cotreatment, decreases expression1
4-chloro-N-((4-(1,1-dimethylethyl)phenyl)methyl)-3-ethyl-1-methyl-1H-pyrazole-5-carboxamideincreases expression1
4-(5-benzo(1,3)dioxol-5-yl-4-pyridin-2-yl-1H-imidazol-2-yl)benzamideaffects cotreatment, increases expression, decreases expression1
2,2’,4,4’,5-brominated diphenyl etherincreases expression1
belinostatincreases expression1
thifluzamideincreases expression1
abrineincreases expression1
pyrachlostrobinincreases expression1
dorsomorphinaffects cotreatment, increases expression, decreases expression1
Resveratrolaffects cotreatment, decreases expression1
Fulvestrantaffects cotreatment, decreases methylation1
Amiodaroneincreases expression1
Antimycin Aincreases expression1
Benzo(a)pyreneaffects methylation1
Cadmiumaffects expression1
Cocaineincreases expression1
Doxorubicindecreases expression1
Estradiolaffects cotreatment, increases expression1

Clinical trials (associated diseases)

0 trials via MONDO — disease-level, not drug-specific.

No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.