CYB561

gene
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Also known as FRRS2CYB561A1CGCytb

Summary

CYB561 (cytochrome b561, HGNC:2571) is a protein-coding gene on chromosome 17q23.3, encoding Transmembrane ascorbate-dependent reductase CYB561 (P49447). Transmembrane reductase that probably uses ascorbate as an electron donor to reduce Fe(3+) into Fe(2+) and could play a role in iron transport.

Predicted to enable transmembrane monodehydroascorbate reductase activity. Predicted to be involved in ascorbate homeostasis. Predicted to be located in chromaffin granule membrane. Predicted to be active in lysosomal membrane.

Source: NCBI Gene 1534 — RefSeq curated summary.

At a glance

  • Gene–disease (curated): orthostatic hypotension 2 (Limited, GenCC)
  • GWAS associations: 3
  • Clinical variants (ClinVar): 47 total — 2 pathogenic
  • Phenotypes (HPO): 7
  • MANE Select transcript: NM_001915

Identifiers

Gene identifiers

FieldValue
HGNC IDHGNC:2571
Approved symbolCYB561
Namecytochrome b561
Location17q23.3
Locus typegene with protein product
StatusApproved
AliasesFRRS2, CYB561A1, CGCytb
Ensembl geneENSG00000008283
Ensembl biotypeprotein_coding
OMIM600019
Entrez1534

Gene structure

Transcript identifiers

Ensembl transcripts: 32 — 26 protein_coding, 3 retained_intron, 3 protein_coding_CDS_not_defined

ENST00000360793, ENST00000392975, ENST00000392976, ENST00000448884, ENST00000542042, ENST00000577368, ENST00000577989, ENST00000578016, ENST00000578072, ENST00000580592, ENST00000580691, ENST00000581163, ENST00000581573, ENST00000582034, ENST00000582143, ENST00000582297, ENST00000582997, ENST00000583478, ENST00000584031, ENST00000584291, ENST00000585153, ENST00000886026, ENST00000886027, ENST00000886028, ENST00000886029, ENST00000886030, ENST00000886031, ENST00000886032, ENST00000886033, ENST00000963327, ENST00000963328, ENST00000963329

RefSeq mRNA: 4 — MANE Select: NM_001915 NM_001017916, NM_001017917, NM_001330421, NM_001915

CCDS: CCDS11636, CCDS82184

Canonical transcript exons

ENST00000360793 — 6 exons

ExonStartEnd
ENSE000026992666343230463434594
ENSE000027331916344624563446306
ENSE000035776166343568863435791
ENSE000035793116343605463436152
ENSE000035824106343734663437560
ENSE000036099836343508663435243

Expression profiles

Bgee: expression breadth ubiquitous, 266 present calls, max score 97.39.

FANTOM5 (CAGE): breadth ubiquitous, TPM avg 14.7015 / max 138.7395, expressed in 1698 samples.

FANTOM5 promoters (16 alternative TSS)

Promoter IDTPM avgSamples expressed
1674639.89701652
1674611.0174248
1674580.9677491
1674530.7729262
1674570.5502307
1674600.5321158
1674590.3974157
1674640.219795
1674620.1966111
1674540.076427

Top tissues by expression

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

TissueAnatomy IDExpression scoreQuality
right uterine tubeUBERON:000130297.39gold quality
body of pancreasUBERON:000115097.30gold quality
tracheaUBERON:000312696.58gold quality
epithelium of bronchusUBERON:000203196.54gold quality
bronchusUBERON:000218596.53gold quality
bronchial epithelial cellCL:000232896.41gold quality
pituitary glandUBERON:000000796.37gold quality
olfactory segment of nasal mucosaUBERON:000538696.31gold quality
adenohypophysisUBERON:000219696.24gold quality
pylorusUBERON:000116696.21gold quality
minor salivary glandUBERON:000183095.60gold quality
mouth mucosaUBERON:000372994.91gold quality
saliva-secreting glandUBERON:000104494.76gold quality
pancreasUBERON:000126494.76gold quality
prostate glandUBERON:000236794.16gold quality
right lobe of thyroid glandUBERON:000111993.99gold quality
lower esophagus mucosaUBERON:003583493.88gold quality
seminal vesicleUBERON:000099893.77gold quality
esophagus mucosaUBERON:000246993.73gold quality
cardia of stomachUBERON:000116293.59gold quality
nasal cavity epitheliumUBERON:000538493.46gold quality
corpus epididymisUBERON:000435993.43gold quality
left lobe of thyroid glandUBERON:000112093.26gold quality
ileal mucosaUBERON:000033193.11gold quality
thyroid glandUBERON:000204692.86gold quality
nasal cavity mucosaUBERON:000182692.75gold quality
mucosa of transverse colonUBERON:000499192.64gold quality
oviduct epitheliumUBERON:000480492.63gold quality
right adrenal glandUBERON:000123392.52gold quality
nippleUBERON:000203092.37gold quality

Single-cell (SCXA)

Detected in 2 experiment(s), a significant marker in 1.

ExperimentMarker?Max mean expression
E-ANND-3yes14.45
E-GEOD-124858no180.33

Regulation

Is transcription factor: no

miRNA regulators (miRDB)

63 targeting CYB561, 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-30A-5P100.0076.313233
HSA-MIR-30B-5P100.0076.293248
HSA-MIR-30C-5P100.0076.293248
HSA-MIR-30D-5P100.0076.323233
HSA-MIR-30E-5P100.0076.323242
HSA-MIR-9-5P100.0072.282361
HSA-MIR-4283100.0066.422097
HSA-MIR-6833-3P100.0070.633197
HSA-MIR-6867-5P100.0082.213464
HSA-MIR-6873-3P100.0071.422626
HSA-MIR-569699.9872.364487
HSA-MIR-806899.9873.852376
HSA-MIR-6721-5P99.9368.922981
HSA-MIR-335-3P99.9373.364958
HSA-MIR-497-5P99.9271.832674
HSA-MIR-15A-5P99.9072.802787
HSA-MIR-15B-5P99.9072.782798
HSA-MIR-16-5P99.9072.802780
HSA-MIR-195-5P99.9072.812805
HSA-MIR-6838-5P99.8971.942690
HSA-MIR-424-5P99.8971.902641
HSA-MIR-182-5P99.8774.032589
HSA-MIR-442099.8270.081624
HSA-MIR-181B-2-3P99.8170.061646
HSA-MIR-181B-3P99.8170.061646
HSA-MIR-6817-3P99.7968.352126
HSA-MIR-6764-5P99.7567.892304
HSA-MIR-472999.6972.184233
HSA-MIR-46699.6770.852863
HSA-MIR-447099.6669.351767

Literature-anchored findings (GeneRIF, showing 8)

  • structural features in the cyt b(561) family are well conserved at both the sequence and the protein level (PMID:12768339)
  • CYB561 is a senescene-associated gene in normal human oral keratinocytes. (PMID:12837283)
  • We studied hereditary control of HR with the twin pair design, at rest and during environmental (cold) stress. Single nucleotide polymorphism disruption of a microribonucleic acid (microRNA) recognition motif in the human CYB561 3’-UTR was identified . (PMID:24140660)
  • Mutations in CYB561 cause a novel othostatic hypotension syndrome. (PMID:29343526)
  • miR-30e-5p regulates leukemia stem cell self-renewal through the Cyb561/ROS signaling pathway. (PMID:37584287)
  • Cytochrome b561 regulates iron metabolism by activating the Akt/mTOR pathway to promote Breast Cancer Cells proliferation. (PMID:37634562)
  • Comparison of insect and human cytochrome b561 proteins: Insights into candidate ferric reductases in insects. (PMID:38039324)
  • CYB561 is a potential therapeutic target for breast cancer and is associated with immune cell infiltration. (PMID:39135107)

Cross-species orthologs

7 orthologs

OrganismSymbolGene ID
danio_reriocyb561ENSDARG00000038176
mus_musculusCyb561ENSMUSG00000019590
rattus_norvegicusCyb561ENSRNOG00000007433
drosophila_melanogasternemyFBGN0261673
caenorhabditis_elegansWBGENE00010131
caenorhabditis_elegansWBGENE00018209
caenorhabditis_elegansWBGENE00018210

Paralogs (2): CYBRD1 (ENSG00000071967), CYB561A3 (ENSG00000162144)

Protein

Protein identifiers

Transmembrane ascorbate-dependent reductase CYB561P49447 (reviewed: P49447)

Alternative names: Cytochrome b-561, Cytochrome b561

All UniProt accessions (10): P49447, F5H757, J3KSL5, J3QKN3, J3QLS0, J3QR25, J3QRF9, J3QRH5, J3QS09, J3QS47

UniProt curated annotations — full annotation on UniProt →

Function. Transmembrane reductase that probably uses ascorbate as an electron donor to reduce Fe(3+) into Fe(2+) and could play a role in iron transport. It is also able to reduce extracellular monodehydro-L-ascorbate and could be involved in the regeneration and homeostasis within secretory vesicles of ascorbate which in turn provides reducing equivalents needed to support the activity of intravesicular enzymes.

Subcellular location. Cytoplasmic vesicle. Secretory vesicle. Chromaffin granule membrane.

Tissue specificity. Expressed in many tissues, in particular the brain especially in the cortex and hippocampus.

Disease relevance. Orthostatic hypotension 2 (ORTHYP2) [MIM:618182] An autosomal recessive disorder characterized by severe orthostatic hypotension apparent from infancy or early childhood, low plasma and urinary levels of norepinephrine and epinephrine, and episodic hypoglycemia. Some patients may also have renal dysfunction and reduced life expectancy. Orthostatic hypotension, also known as postural hypotension, is a finding defined as a 20-mm Hg decrease in systolic pressure or a 10-mm Hg decrease in diastolic pressure occurring 3 minutes after a person has risen from supine to standing. Symptoms include dizziness, blurred vision, and sometimes syncope. The disease is caused by variants affecting the gene represented in this entry.

Cofactor. Binds 2 heme b groups non-covalently.

Isoforms (2)

UniProt IDNamesCanonical?
P49447-11yes
P49447-22

RefSeq proteins (4): NP_001017916, NP_001017917, NP_001317350, NP_001906* (*=MANE)

Domains & families (InterPro)

IDNameType
IPR006593Cyt_b561/ferric_Rdtase_TMDomain
IPR043205CYB561/CYBRD1-likeFamily

Pfam: PF03188

Enzyme classification (BRENDA):

  • EC 7.2.1.3 — ascorbate ferrireductase (transmembrane) (BRENDA: 10 organisms, 25 substrates, 3 inhibitors, 26 Km, 0 kcat entries)

Substrate kinetics (BRENDA)

4 substrates with measured Km, best-characterized 4. Km ranges are aggregated across organisms/conditions.

SubstrateKm (mM)Measurements
FERRICYTOCHROME B50.001–0.00920
CU(II)-NITRILOTRIACETIC ACID[SIDE 2]0.0152–0.02312
FE(III)-NITRILOTRIACETIC ACID[SIDE 2]0.074–0.09212
L-ASCORBATE121

Catalyzed reactions (Rhea), 2 shown:

  • Fe(3+)(out) + L-ascorbate(in) = monodehydro-L-ascorbate radical(in) + Fe(2+)(out) + H(+) (RHEA:30403)
  • monodehydro-L-ascorbate radical(out) + L-ascorbate(in) = monodehydro-L-ascorbate radical(in) + L-ascorbate(out) (RHEA:66524)

UniProt features (35 total): binding site 12, topological domain 7, transmembrane region 6, sequence conflict 3, modified residue 2, sequence variant 2, chain 1, domain 1, splice variant 1

Structure

Experimental structures (PDB)

0 structures.

Predicted structure (AlphaFold)

ModelpLDDTFraction very-high
AF-P49447-F193.130.85

Functional residue map

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

Ligand- & substrate-binding residues (12): 53 (axial binding residue); 73; 80; 80; 84; 87 (axial binding residue); 116–119; 121 (axial binding residue); 153; 160 (axial binding residue); 181; 225

Post-translational modifications (2): 1, 247

Function

Pathways and Gene Ontology

Reactome pathways

0 pathways

MSigDB gene sets: 189 (showing top): ELVIDGE_HYPOXIA_DN, WANG_CLIM2_TARGETS_UP, GOCC_VACUOLAR_MEMBRANE, GOCC_SECRETORY_GRANULE, GRAESSMANN_APOPTOSIS_BY_SERUM_DEPRIVATION_DN, GOBP_INTRACELLULAR_IRON_ION_HOMEOSTASIS, MCBRYAN_PUBERTAL_TGFB1_TARGETS_UP, GOBP_GENERATION_OF_PRECURSOR_METABOLITES_AND_ENERGY, GOBP_ELECTRON_TRANSPORT_CHAIN, ABBUD_LIF_SIGNALING_1_UP, RYTTCCTG_ETS2_B, GOBP_MONOATOMIC_ION_HOMEOSTASIS, MODULE_11, LEE_AGING_NEOCORTEX_UP, HUANG_DASATINIB_RESISTANCE_DN

GO Biological Process (3): intracellular iron ion homeostasis (GO:0006879), electron transport chain (GO:0022900), ascorbate homeostasis (GO:0140576)

GO Molecular Function (4): oxidoreductase activity (GO:0016491), metal ion binding (GO:0046872), transmembrane monodehydroascorbate reductase activity (GO:0140575), protein binding (GO:0005515)

GO Cellular Component (4): lysosomal membrane (GO:0005765), membrane (GO:0016020), chromaffin granule membrane (GO:0042584), cytoplasmic vesicle (GO:0031410)

GO top-level categories

Rollup of top GO terms by namespace:

CategoryTerms
intracellular monoatomic cation homeostasis1
inorganic ion homeostasis1
generation of precursor metabolites and energy1
carbohydrate homeostasis1
catalytic activity1
cation binding1
oxidoreductase activity1
binding1
lysosome1
lytic vacuole membrane1
cellular anatomical structure1
secretory granule membrane1
chromaffin granule1
cytoplasm1
intracellular vesicle1

Protein interactions and networks

STRING

584 interactions, top by confidence (×1000):

Protein AProtein BPartner UniProtScore
CYB561FRRS1Q6ZNA5956
CYB561PAMP19021869
CYB561DBHP09172846
CYB561CPEP16870591
CYB561CYBBP04839544
CYB561CYB561D2O14569542
CYB561STEAP3Q658P3528
CYB561SLC11A2P49281474
CYB561SLC31A1O15431433
CYB561STEAP2Q8NFT2427
CYB561PKDCCQ504Y2420
CYB561CHGBP05060400
CYB561CHGAP10645396
CYB561STEAP1Q9UHE8392
CYB561HEPHQ9BQS7391

IntAct

179 interactions, top by confidence:

ABTypeScore
EDACYB561psi-mi:“MI:0915”(physical association)0.720
CYB561EDApsi-mi:“MI:0915”(physical association)0.720
PTPRALGALS1psi-mi:“MI:0914”(association)0.640
RNF5CYB561psi-mi:“MI:0915”(physical association)0.560
CYB561LHFPL5psi-mi:“MI:0915”(physical association)0.560
ANKRD46CYB561psi-mi:“MI:0915”(physical association)0.560
PLP2CYB561psi-mi:“MI:0915”(physical association)0.560
SMIM1CYB561psi-mi:“MI:0915”(physical association)0.560
CYB561CLDN9psi-mi:“MI:0915”(physical association)0.560
BET1CYB561psi-mi:“MI:0915”(physical association)0.560
BNIP1CYB561psi-mi:“MI:0915”(physical association)0.560
CDIPTCYB561psi-mi:“MI:0915”(physical association)0.560
ORMDL2CYB561psi-mi:“MI:0915”(physical association)0.560
REEP6CYB561psi-mi:“MI:0915”(physical association)0.560
TREX1CYB561psi-mi:“MI:0915”(physical association)0.560
TMEM242CYB561psi-mi:“MI:0915”(physical association)0.560
SYNJ2BPCYB561psi-mi:“MI:0915”(physical association)0.560
TSNARE1CYB561psi-mi:“MI:0915”(physical association)0.560
GOSR2CYB561psi-mi:“MI:0915”(physical association)0.560
TMPPECYB561psi-mi:“MI:0915”(physical association)0.560
ERG28CYB561psi-mi:“MI:0915”(physical association)0.560
SERP2CYB561psi-mi:“MI:0915”(physical association)0.560
FKBP8CYB561psi-mi:“MI:0915”(physical association)0.560
GIMAP5CYB561psi-mi:“MI:0915”(physical association)0.560

BioGRID (66): EDA (Two-hybrid), RNF5 (Two-hybrid), CYB561 (Two-hybrid), CYB561 (Affinity Capture-MS), CYB561 (Affinity Capture-RNA), CYB561 (Two-hybrid), BEST2 (Two-hybrid), SLC35C2 (Two-hybrid), AQP6 (Two-hybrid), SCD (Two-hybrid), BIK (Two-hybrid), HMOX1 (Two-hybrid), VAPA (Two-hybrid), PLP2 (Two-hybrid), SLC38A7 (Two-hybrid)

ESM2 similar proteins: A2AE42, A3A9H6, A5D7C9, A5D9A7, A6NM10, B3SHH9, B5DFH9, B9EJG8, F1NZP5, O14569, P10897, P49447, P82352, Q08DE1, Q14714, Q148G2, Q3ZCD2, Q5E965, Q5ND56, Q5RCZ2, Q5U2W7, Q5ZJX0, Q60720, Q62147, Q641Y1, Q6GPL4, Q6P0C6, Q6P1H1, Q71RH2, Q7TNV1, Q80ZE4, Q86TG1, Q8BMD6, Q8C8S3, Q8IXF9, Q8N8Q1, Q8NBI2, Q8TBR7, Q8VHW3, Q8VHW7

Diamond homologs: A3A9H6, A3KPR5, A5D9A7, C4IYS8, P10897, P34465, P49447, Q503V1, Q5CZL8, Q5RAJ4, Q5RCZ2, Q5RKJ2, Q5U2W7, Q60720, Q67ZF6, Q6DDR3, Q6I681, Q6P1H1, Q7XMK3, Q8L856, Q8NBI2, Q91577, Q925G2, Q95204, Q95245, Q9C540, Q9SWS1, Q53TN4

SIGNOR signaling

0 interactions.

Enriched among interaction partners

Reactome pathways and GO biological processes over-represented among this gene’s 60 IntAct physical interaction partners (hypergeometric vs the genome-wide background, BH-FDR, gene-set size 15–500, ranked by fold). A functional readout of the neighbourhood — distinct from this gene’s own memberships above, and biased toward well-studied / hub proteins, so read it as themes rather than proof.

GO biological processes:

GO termPartnersFoldFDR
endoplasmic reticulum to Golgi vesicle-mediated transport513.3×7e-03

Disease & clinical

Clinical variants and AI predictions

ClinVar

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

ClassificationCount (floor)
Pathogenic2
Likely pathogenic0
Uncertain significance34
Likely benign6
Benign2

Top pathogenic / likely-pathogenic (2)

Variant IDHGVSClassification
590763NM_001915.4(CYB561):c.262G>A (p.Gly88Arg)Pathogenic
590764NM_001915.4(CYB561):c.131G>A (p.Trp44Ter)Pathogenic

SpliceAI

1386 predictions. Top by Δscore:

VariantEffectΔscore
17:63434424:C:CAdonor_gain1.0000
17:63435081:CTCA:Cdonor_loss1.0000
17:63435082:TCACC:Tdonor_loss1.0000
17:63435083:CA:Cdonor_loss1.0000
17:63435084:A:ACdonor_gain1.0000
17:63435084:A:Tdonor_loss1.0000
17:63435084:AC:Adonor_gain1.0000
17:63435084:ACC:Adonor_gain1.0000
17:63435085:C:CTdonor_gain1.0000
17:63435085:CC:Cdonor_gain1.0000
17:63435085:CCC:Cdonor_gain1.0000
17:63435085:CCCG:Cdonor_gain1.0000
17:63435085:CCCGA:Cdonor_gain1.0000
17:63435210:C:CTacceptor_gain1.0000
17:63435210:C:Tacceptor_gain1.0000
17:63435242:CA:Cacceptor_gain1.0000
17:63435242:CACTA:Cacceptor_loss1.0000
17:63435243:ACTA:Aacceptor_loss1.0000
17:63435244:C:CCacceptor_gain1.0000
17:63435244:CTAG:Cacceptor_loss1.0000
17:63435251:T:Cacceptor_gain1.0000
17:63435251:T:TCacceptor_gain1.0000
17:63435685:CA:Cdonor_loss1.0000
17:63435686:A:Tdonor_loss1.0000
17:63435687:CCTG:Cdonor_gain1.0000
17:63435787:CAAGC:Cacceptor_gain1.0000
17:63435788:AAGC:Aacceptor_gain1.0000
17:63435790:GC:Gacceptor_gain1.0000
17:63435791:CC:Cacceptor_gain1.0000
17:63435792:C:CCacceptor_gain1.0000

AlphaMissense

0 scored. Top likely-pathogenic:

dbSNP variants (sampled 300 via entrez): RS1000120366 (17:63435393 G>A), RS1000227198 (17:63446091 C>T), RS1000459879 (17:63447809 C>A,T), RS1000629204 (17:63439135 T>G), RS1000827729 (17:63444689 G>A), RS1000899641 (17:63434096 G>A), RS1000915298 (17:63439392 G>A), RS1001178047 (17:63444971 T>A), RS1001541513 (17:63434219 C>A,T), RS1001696504 (17:63446613 C>A), RS1001983656 (17:63434038 A>C), RS1002028791 (17:63445345 G>A), RS1002147798 (17:63433123 C>T), RS1002503460 (17:63439487 C>T), RS1002546429 (17:63447647 T>C)

Disease associations

OMIM: gene MIM:600019 | disease phenotypes: MIM:618182

GenCC curated gene-disease

DiseaseClassificationInheritance
orthostatic hypotension 2LimitedAutosomal recessive

Mondo (1): orthostatic hypotension 2 (MONDO:0020751)

Orphanet (0):

HPO phenotypes

7 total (7 of 7 shown, HPO-id order):

HPOTerm
HP:0000007Autosomal recessive inheritance
HP:0001278Orthostatic hypotension
HP:0001903Anemia
HP:0001943Hypoglycemia
HP:0003593Infantile onset
HP:0011463Childhood onset
HP:0012213Decreased glomerular filtration rate

GWAS associations

3 associations (top):

StudyTraitp-value
GCST002665_1Cerebrospinal fluid levels of Alzheimer’s disease-related proteins4.000000e-12
GCST004777_41Diastolic blood pressure2.000000e-07
GCST004777_69Diastolic blood pressure2.000000e-14

EFO canonical traits (3, from GWAS)

EFO IDTrait name
EFO:0006514Alzheimer’s disease biomarker measurement
EFO:0006515angiotensin-converting enzyme measurement
EFO:0006336diastolic blood pressure

Drugs & pharmacology

Drug and pharmacology data

Is drug target: no

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

CTD chemical–gene interactions

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

ChemicalActions (top 5)PubMed papers
Valproic Acidaffects cotreatment, increases expression, affects expression, increases methylation8
Cyclosporineincreases expression4
entinostatincreases expression, affects cotreatment2
triphenyl phosphateaffects expression1
propionaldehydeincreases expression1
tris(1,3-dichloro-2-propyl)phosphatedecreases expression1
sodium arsenitedecreases expression1
butyraldehydeincreases expression1
pentanalincreases expression1
CGP 52608affects binding, increases reaction1
2-palmitoylglycerolincreases expression1
4-(5-benzo(1,3)dioxol-5-yl-4-pyridin-2-yl-1H-imidazol-2-yl)benzamideaffects cotreatment, increases expression1
dorsomorphinaffects cotreatment, increases expression1
bisphenol Sdecreases expression, affects cotreatment1
(+)-JQ1 compounddecreases expression1
Aldehydesincreases expression1
Arsenicaffects expression1
Benzo(a)pyrenedecreases methylation1
Dexamethasoneaffects cotreatment, decreases expression1
Diazinonincreases methylation1
Doxorubicindecreases expression1
Indomethacinaffects cotreatment, decreases expression1
Mercurydecreases expression1
Methotrexateincreases expression1
Niclosamidedecreases expression1
Smokedecreases expression1
Testosteronedecreases expression1
Thiramdecreases expression1
Tretinoinincreases expression1
Urethanedecreases expression1

Clinical trials (associated diseases)

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