| AOP:4 | Ecdysone receptor agonism leading to incomplete ecdysis associated mortality | Unclassified | - | Insects, Crustaceans | 0.2 | KE:1265 | Increase, Fushi tarazu factor-1 gene expression |
| KE:1264 | Increase, Nuclear receptor E75b gene expression |
| AOP:7 | Aromatase (Cyp19a1) reduction leading to impaired fertility in adult female | Reproductive system disease; Endocrine system disease; Reproductive system disease | Under Review | Rat, Mouse, Human | 0.4 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:8 | Upregulation of Thyroid Hormone Catabolism via Activation of Hepatic Nuclear Receptors, and Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Nervous system disease | Under Development | Rat | 0.11 | KE:756 | Hippocampal gene expression, Altered |
| AOP:12 | Chronic binding of antagonist to N-methyl-D-aspartate receptors (NMDARs) during brain development leads to neurodegeneration with impairment in learning and memory in aging | Nervous system disease; Developmental disorder of mental health | WPHA/WNT Endorsed | Monkey, Rat, Human, Mouse, Zebrafish | 0.12 | KE:381 | Reduced levels of BDNF |
| AOP:13 | Chronic binding of antagonist to N-methyl-D-aspartate receptors (NMDARs) during brain development induces impairment of learning and memory abilities | Developmental disorder of mental health | WPHA/WNT Endorsed | Human, Mouse, Monkey sp., Rat | 0.1 | KE:381 | Reduced levels of BDNF |
| AOP:17 | Binding of electrophilic chemicals to SH(thiol)-group of proteins and /or to seleno-proteins involved in protection against oxidative stress during brain development leads to impairment of learning and memory | Developmental disorder of mental health | WPHA/WNT Endorsed | Rat, Mouse, Human | 0.1 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:18 | PPARα activation in utero leading to impaired fertility in males | Reproductive system disease | Under Review | Human, Rat, Mouse | 0.12 | KE:289 | Decrease, Translocator protein (TSPO) |
| AOP:19 | Androgen receptor antagonism leading to adverse effects in the male foetus (mammals) | Reproductive system disease | - | | 0.2 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:21 | Aryl hydrocarbon receptor activation leading to early life stage mortality, via increased COX-2 | Unclassified | WPHA/WNT Endorsed | Zebrafish, Medaka, Gallus gallus | 0.2 | KE:1269 | Increase, COX-2 expression |
| AOP:23 | Androgen receptor agonism leading to reproductive dysfunction (in repeat-spawning fish) | Unclassified | WPHA/WNT Endorsed | Pimephales promelas | 0.3 | KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:25 | Aromatase inhibition leading to reproductive dysfunction | Unclassified | WPHA/WNT Endorsed | Fathead minnow, Medaka, Zebrafish | 0.38 | KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:27 | Cholestatic Liver Injury induced by Inhibition of the Bile Salt Export Pump (ABCB11) | Gastrointestinal system disease | Under Development | Humans | 0.25 | KE:149 | Increase, Inflammation |
| KE:288 | Activation of specific nuclear receptors, Transcriptional change |
| AOP:30 | Estrogen receptor antagonism leading to reproductive dysfunction | Unclassified | Under Review | Zebra danio, Fathead minnow, Medaka | 0.17 | KE:285 | Reduction, Vitellogenin synthesis in liver |
| AOP:34 | LXR activation leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.15 | KE:54 | Up Regulation, CD36 |
| KE:258 | Activation, SCD-1 |
| AOP:36 | Peroxisomal Fatty Acid Beta-Oxidation Inhibition Leading to Steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.12 | KE:140 | Decreased, HSD17B10 expression |
| AOP:38 | Protein Alkylation leading to Liver Fibrosis | Gastrointestinal system disease | WPHA/WNT Endorsed | Human, Rat | 0.14 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:42 | Inhibition of Thyroperoxidase and Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | WPHA/WNT Endorsed | Human, Rat, Mouse | 0.12 | KE:756 | Hippocampal gene expression, Altered |
| AOP:54 | Inhibition of Na+/I- symporter (NIS) leads to learning and memory impairment | Developmental disorder of mental health | WPHA/WNT Endorsed | Homo sapiens, Rattus sp. | 0.1 | KE:381 | Reduced levels of BDNF |
| AOP:58 | NR1I3 (CAR) suppression leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | Human, Mouse, Rat | 0.19 | KE:54 | Up Regulation, CD36 |
| KE:463 | Up Regulation, FAS |
| KE:462 | Up Regulation, SCD-1 |
| AOP:60 | NR1I2 (Pregnane X Receptor, PXR) activation leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.33 | KE:474 | Down Regulation, HMGCS2 |
| KE:462 | Up Regulation, SCD-1 |
| KE:472 | Down Regulation, CPT1A |
| KE:54 | Up Regulation, CD36 |
| AOP:64 | Glucocorticoid Receptor (GR) Mediated Adult Leydig Cell Dysfunction Leading to Decreased Male Fertility | Reproductive system disease | - | Rattus norvegicus | 0.14 | KE:520 | Decreased sperm quantity or quality in the adult, Decreased fertility |
| AOP:107 | Constitutive androstane receptor activation leading to hepatocellular adenomas and carcinomas in the mouse and the rat | Cancer; Gastrointestinal system disease | Under Review | Rattus norvegicus, Mus musculus | 0.2 | KE:1214 | Altered gene expression specific to CAR activation, Hepatocytes |
| AOP:114 | HPPD inhibition leading to corneal papillomas and carcinomas (in rat) | Cancer | - | Rattus norvegicus | 0.17 | KE:777 | Increase, Inflammation (corneal cells) |
| AOP:115 | Epithelial cytotoxicity leading to forestomach tumors (in mouse and rat) | Cancer | - | Mus musculus, Rattus norvegicus | 0.2 | KE:149 | Increase, Inflammation |
| AOP:122 | Prolyl hydroxylase inhibition leading to reproductive dysfunction via increased HIF1 heterodimer formation | Unclassified | - | Pimephales promelas | 0.4 | KE:799 | Increased, HIF-1 heterodimer |
| KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:123 | Unknown MIE leading to reproductive dysfunction via increased HIF-1alpha transcription | Unclassified | - | Pimephales promelas | 0.45 | KE:802 | Increased, HIF-1 alpha transcription |
| KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:799 | Increased, HIF-1 heterodimer |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:131 | Aryl hydrocarbon receptor activation leading to uroporphyria | Inherited metabolic disorder | WPHA/WNT Endorsed | Mouse, Rat, Human, Japanese quail, Chicken, Herring gull, Common Starling | 0.17 | KE:850 | Induction, CYP1A2/CYP1A5 |
| AOP:134 | Sodium Iodide Symporter (NIS) Inhibition and Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | - | Rat, Homo sapiens | 0.11 | KE:756 | Hippocampal gene expression, Altered |
| AOP:144 | Endocytic lysosomal uptake leading to liver fibrosis | Gastrointestinal system disease | Under Review | Human, Mouse, Rat | 0.11 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:150 | Aryl hydrocarbon receptor activation leading to early life stage mortality, via reduced VEGF | Unclassified | WPHA/WNT Endorsed | Chicken, Zebrafish, Mouse, Rattus norvegicus | 0.14 | KE:948 | reduced production, VEGF |
| AOP:151 | AhR activation leading to preeclampsia | Cardiovascular system disease | Under Development | Homo sapiens, Mus musculus | 0.29 | KE:1892 | increase, placental insufficiency |
| KE:948 | reduced production, VEGF |
| AOP:167 | Early-life estrogen receptor activity leading to endometrial carcinoma in the mouse. | Reproductive system disease; Cancer | - | Mouse, Homo sapiens | 0.14 | KE:1066 | Promotion, SIX-1 postive basal-type progenitor cells |
| AOP:173 | Substance interaction with the pulmonary resident cell membrane components leading to pulmonary fibrosis | Musculoskeletal system disease; Respiratory system disease | WPHA/WNT Endorsed | Human, Mouse, Rat | 0.12 | KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:201 | Juvenile hormone receptor agonism leading to male offspring induction associated population decline | Unclassified | - | Daphnia magna, Daphnia pulex | 0.17 | KE:1206 | Induction, Doublesex1 gene |
| AOP:206 | Peroxisome proliferator-activated receptors γ inactivation leading to lung fibrosis | Musculoskeletal system disease; Respiratory system disease | Under Development | Homo sapiens | 0.17 | KE:149 | Increase, Inflammation |
| AOP:218 | Inhibition of CYP7B activity leads to decreased reproductive success via decreased locomotor activity | Unclassified | - | Japanese quail, Cynops pyrrhogaster | 0.17 | KE:1141 | Decreased, Reproductive Success |
| AOP:219 | Inhibition of CYP7B activity leads to decreased reproductive success via decreased sexual behavior | Unclassified | - | Japanese quail, Cynops pyrrhogaster | 0.17 | KE:1141 | Decreased, Reproductive Success |
| AOP:271 | Inhibition of thyroid peroxidase leading to impaired fertility in fish | Unclassified | Under Development | Fish | 0.2 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| AOP:275 | Histone deacetylase inhibition leads to neural tube defects | Neural tube defect | - | | 0.2 | KE:1239 | Altered, Gene Expression |
| AOP:280 | α-diketone-induced bronchiolitis obliterans | Musculoskeletal system disease; Respiratory system disease | - | | 0.14 | KE:149 | Increase, Inflammation |
| AOP:289 | Inhibition of 5α-reductase leading to impaired fecundity in female fish | Unclassified | Under Development | Fish | 0.17 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| AOP:293 | Increased DNA damage leading to increased risk of breast cancer | Genetic disease; Thoracic disease; Cancer | Under Development | Rattus rattus, Mus musculus | 0.11 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:294 | Increased reactive oxygen and nitrogen species (RONS) leading to increased risk of breast cancer | Genetic disease; Thoracic disease; Cancer | Under Development | | 0.11 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:300 | Thyroid Receptor Antagonism and Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | Under Development | Human, Mouse | 0.2 | KE:756 | Hippocampal gene expression, Altered |
| AOP:305 | 5α-reductase inhibition leading to short anogenital distance (AGD) in male (mammalian) offspring | Unclassified | Under Development | Rat, Human, Mouse | 0.2 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:306 | Androgen receptor (AR) antagonism leading to short anogenital distance (AGD) in male (mammalian) offspring | Unclassified | Under Development | Rat, Human, Mouse | 0.25 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:310 | Embryonic Activation of the AHR leading to Reproductive failure, via epigenetic down-regulation of GnRHR | Unclassified | - | Zebrafish | 0.25 | KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:344 | Androgen receptor (AR) antagonism leading to nipple retention (NR) in male (mammalian) offspring | Unclassified | Under Development | | 0.25 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:345 | Androgen receptor (AR) antagonism leading to decreased fertility in females | Endocrine system disease; Reproductive system disease; Reproductive system disease | Under Development | Mammals | 0.17 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:346 | Aromatase inhibition leads to male-biased sex ratio via impacts on gonad differentiation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Oreochromis niloticus, Chinook salmon, Fathead minnow, European sea bass | 0.2 | KE:1789 | Reduction, 17beta-estradiol synthesis by the undifferentiated gonad |
| AOP:362 | Immune mediated hepatitis | Gastrointestinal system disease; Immune system disease | - | Homo sapiens, Rat | 0.12 | KE:1633 | Increase in inflammation |
| AOP:372 | Androgen receptor antagonism leading to testicular cancer | Endocrine system disease; Reproductive system disease; Cancer | - | | 0.2 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:409 | Frustrated phagocytosis leads to malignant mesothelioma | Cancer | - | | 0.12 | KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:432 | Deposition of Energy by Ionizing Radiation leading to Acute Myeloid Leukemia | Hematopoietic system disease; Cancer | - | Homo sapiens, Mus musculus | 0.09 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:439 | Activation of the AhR leading to metastatic breast cancer | Thoracic disease; Cancer | Under Development | Humans, Mice | 0.11 | KE:149 | Increase, Inflammation |
| AOP:447 | Kidney failure induced by inhibition of mitochondrial electron transfer chain through apoptosis, inflammation and oxidative stress pathways | Urinary system disease | - | | 0.08 | KE:1633 | Increase in inflammation |
| AOP:455 | Aryl hydrocarbon receptor activation leading to early life stage mortality via sox9 repression induced impeded craniofacial development | Musculoskeletal system disease | Under Review | Zebrafish, Mouse, Human, Sebastiscus marmoratus, Salmo salar, Chicken | 0.33 | KE:2020 | Decrease, sox9 expression |
| KE:2021 | Increase, slincR expression |
| AOP:456 | Aryl hydrocarbon receptor activation leading to early life stage mortality via sox9 repression induced cardiovascular toxicity | Unclassified | Under Review | Zebrafish, Mouse, Human, Chicken | 0.33 | KE:2020 | Decrease, sox9 expression |
| KE:2021 | Increase, slincR expression |
| AOP:458 | AhR activation in the liver leading to Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | - | Rat, Mouse, Monkey, Human | 0.12 | KE:756 | Hippocampal gene expression, Altered |
| AOP:459 | AhR activation in the thyroid leading to Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | - | Human, Mouse, Rat | 0.22 | KE:756 | Hippocampal gene expression, Altered |
| KE:850 | Induction, CYP1A2/CYP1A5 |
| AOP:460 | Antagonism of Smoothened receptor leading to orofacial clefting | Unclassified | Under Development | Mouse | 0.11 | KE:2040 | Decrease, GLI1/2 target gene expression |
| AOP:463 | The AOP framwork on silica nanopariticles induced hepatoxicity | Gastrointestinal system disease | - | | 0.09 | KE:149 | Increase, Inflammation |
| AOP:470 | Deposition of energy leads to abnormal vascular remodeling | Cardiovascular system disease | Under Review | Human, Rat, Mouse, Rabbit | 0.12 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:472 | DNA adduct formation leading to kidney failure | Urinary system disease | - | | 0.11 | KE:149 | Increase, Inflammation |
| AOP:493 | ERa inactivation alters AT expansion and functions and leads to insulin resistance and metabolically unhealthy obesity | Acquired metabolic disease | - | Mus musculus, Homo sapiens | 0.2 | KE:1633 | Increase in inflammation |
| KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:495 | Androgen receptor activation leading to prostate cancer | Reproductive system disease; Cancer | - | | 0.11 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| AOP:496 | Androgen receptor agonism leading to reproduction dysfunction (in zebrafish) | Unclassified | - | Zebrafish | 0.2 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| AOP:517 | Pregnane X Receptor (PXR) activation leads to liver steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | Vertebrates | 0.2 | KE:54 | Up Regulation, CD36 |
| AOP:529 | Perfluorooctanesulfonic acid (PFOS) binding to peroxisome proliferator-activated receptors (PPARs) causes dysregulation of lipid metabolism and subsequent liver steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | Vertebrates, Mouse, Rat, Zebrafish | 0.12 | KE:2224 | Dysregulation of transcriptional expression within PPAR signaling network |
| AOP:533 | Retinoic acid receptor antagonism during neurodevelopment leading to impaired learning and memory | Developmental disorder of mental health | - | | 0.17 | KE:1239 | Altered, Gene Expression |
| AOP:536 | Estrogen receptor agonism leading to reduced survival and population growth due to renal failure | Unclassified | - | | 0.17 | KE:307 | Increase, Vitellogenin synthesis in liver |
| AOP:537 | Estrogen receptor agonism leads to reduced fecundity via increased vitellogenin in the liver | Unclassified | - | | 0.2 | KE:307 | Increase, Vitellogenin synthesis in liver |
| AOP:540 | Oxidative Stress in the Fish Ovary Leads to Reproductive Impairment via Reduced Vitellogenin Production | Unclassified | - | | 0.22 | KE:285 | Reduction, Vitellogenin synthesis in liver |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:541 | Excessive ROS generation leading to increased incidence of vascular calcification by VSMC phenotype switching | Cardiovascular system disease | - | | 0.08 | KE:1493 | Increased Pro-inflammatory mediators |
| AOP:544 | Inhibition of neuropathy target esterase leading to delayed neuropathy via increased inflammation | Nervous system disease | - | Homo sapiens, Mus musculus | 0.17 | KE:149 | Increase, Inflammation |
| AOP:549 | Aromatase inhibition leads to reproductive toxicity (including growth and developmental toxicity) in adult female zebrafish | Unclassified | - | | 0.12 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| AOP:550 | Increased LMNA gene mutation leading to heart failure | Cardiovascular system disease | - | Human, Mouse, Rat | 0.2 | KE:2066 | Altered Signaling Pathways |