| 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: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:1690 | Decrease, circulating testosterone levels |
| AOP:23 | Androgen receptor agonism leading to reproductive dysfunction (in repeat-spawning fish) | Unclassified | WPHA/WNT Endorsed | Pimephales promelas | 0.2 | 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 | 0.25 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:37 | PPARα activation leading to hepatocellular adenomas and carcinomas in rodents | Cancer; Gastrointestinal system disease | Under Development | Mouse, Rat | 0.2 | KE:716 | Increase, cell proliferation (hepatocytes) |
| 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:39 | Covalent Binding, Protein, leading to Increase, Allergic Respiratory Hypersensitivity Response | Respiratory system disease | Under Development | Human, Mouse | 0.2 | KE:272 | Activation/Proliferation, T-cells |
| AOP:41 | Sustained AhR Activation leading to Rodent Liver Tumours | Cancer; Gastrointestinal system disease | Under Review | Rattus sp. ABTC 42503, Mus sp. 2000082 | 0.4 | KE:853 | Changes/Inhibition, Cellular Homeostasis and Apoptosis |
| KE:139 | N/A, Hepatotoxicity, Hepatopathy, including a constellation of observable effects |
| AOP:64 | Glucocorticoid Receptor (GR) Mediated Adult Leydig Cell Dysfunction Leading to Decreased Male Fertility | Reproductive system disease | - | Rattus norvegicus | 0.29 | KE:496 | Increased apoptosis, decreased fetal/adult Leydig Cells |
| KE:1690 | Decrease, circulating testosterone levels |
| 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:716 | Increase, cell proliferation (hepatocytes) |
| AOP:110 | Inhibition of iodide pump activity leading to follicular cell adenomas and carcinomas (in rat and mouse) | Cancer; Endocrine system disease | - | Rattus norvegicus, Mus musculus | 0.14 | KE:739 | Increase, Hypertrophy and proliferation (follicular cell) |
| AOP:112 | Increased dopaminergic activity leading to endometrial adenocarcinomas (in Wistar rat) | Reproductive system disease; Cancer | - | Rattus norvegicus | 0.17 | KE:749 | Decreased, Progesterone from corpus luteum |
| AOP:114 | HPPD inhibition leading to corneal papillomas and carcinomas (in rat) | Cancer | - | Rattus norvegicus | 0.33 | KE:778 | Increase, Regenerative cell proliferation (corneal cells) |
| KE:777 | Increase, Inflammation (corneal cells) |
| AOP:115 | Epithelial cytotoxicity leading to forestomach tumors (in mouse and rat) | Cancer | - | Mus musculus, Rattus norvegicus | 0.4 | KE:149 | Increase, Inflammation |
| KE:781 | Increase, Regenerative cell proliferation (forestomach epithelial cells) |
| AOP:117 | Androgen receptor activation leading to hepatocellular adenomas and carcinomas (in mouse and rat) | Cancer; Gastrointestinal system disease | Under Development | Mus musculus, Rattus norvegicus | 0.25 | KE:716 | Increase, cell proliferation (hepatocytes) |
| AOP:119 | Inhibition of thyroid peroxidase leading to follicular cell adenomas and carcinomas (in rat and mouse) | Cancer; Endocrine system disease | - | Rattus norvegicus, Mus musculus | 0.14 | KE:739 | Increase, Hypertrophy and proliferation (follicular cell) |
| AOP:120 | Inhibition of 5α-reductase leading to Leydig cell tumors (in rat) | Cancer; Reproductive system disease | - | Rattus norvegicus, Mus musculus | 0.2 | KE:1690 | Decrease, circulating testosterone levels |
| AOP:121 | Urinary bladder calculi leading to urothelial papillomas and carcinomas (in mouse and rat) | Cancer; Urinary system disease | - | Mus musculus, Rattus norvegicus | 0.2 | KE:795 | Increase, Regenerative cell proliferation (urothelial cells) |
| AOP:122 | Prolyl hydroxylase inhibition leading to reproductive dysfunction via increased HIF1 heterodimer formation | Unclassified | - | Pimephales promelas | 0.2 | 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 | 0.18 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:136 | Intracellular Acidification Induced Olfactory Epithelial Injury Leading to Site of Contact Nasal Tumors | Benign neoplasm; Respiratory system disease | Under Review | | 0.14 | KE:870 | Increase, Cell Proliferation |
| 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:164 | Beta-2 adrenergic agonist activity leading to mesovarian leiomyomas in the rat and mouse | Cancer; Reproductive system disease | - | CD-1 mouse, SD rat | 0.17 | KE:1042 | Proliferation/Clonal Expansion, smooth muscle |
| AOP:167 | Early-life estrogen receptor activity leading to endometrial carcinoma in the mouse. | Reproductive system disease; Cancer | - | Mouse, Homo sapiens | 0.14 | KE:1067 | Proliferation/Clonal Expansion, aberrant basal 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: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:207 | NADPH oxidase and P38 MAPK activation leading to reproductive failure in Caenorhabditis elegans | Reproductive system disease | - | Caenorhabditis elegans | 0.12 | KE:1262 | Apoptosis |
| AOP:212 | Histone deacetylase inhibition leading to testicular atrophy | Reproductive system disease | WPHA/WNT Endorsed | Rat, Human, Mouse | 0.17 | KE:1262 | Apoptosis |
| AOP:220 | Cyp2E1 Activation Leading to Liver Cancer | Cancer; Gastrointestinal system disease | WPHA/WNT Endorsed | Rodents, Homo sapiens | 0.2 | KE:1393 | Hepatocytotoxicity |
| 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:272 | Deposition of energy leading to lung cancer | Cancer | WPHA/WNT Endorsed | Human, Rat, Mouse | 0.14 | KE:870 | Increase, Cell Proliferation |
| AOP:280 | α-diketone-induced bronchiolitis obliterans | Musculoskeletal system disease; Respiratory system disease | - | | 0.14 | KE:149 | Increase, Inflammation |
| AOP:288 | Inhibition of 17α-hydrolase/C 10,20-lyase (Cyp17A1) activity leads to birth reproductive defects (cryptorchidism) in male (mammals) | Endocrine system disease | - | Human, Rat | 0.25 | KE:1614 | Decrease, androgen receptor activation |
| KE:1690 | Decrease, circulating testosterone levels |
| 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 | 0.22 | KE:1493 | Increased Pro-inflammatory mediators |
| KE:1182 | Increase, Cell Proliferation (Epithelial Cells) |
| AOP:294 | Increased reactive oxygen and nitrogen species (RONS) leading to increased risk of breast cancer | Genetic disease; Thoracic disease; Cancer | Under Development | | 0.22 | KE:1493 | Increased Pro-inflammatory mediators |
| KE:1182 | Increase, Cell Proliferation (Epithelial Cells) |
| AOP:303 | Frustrated phagocytosis-induced lung cancer | Cancer | Under Development | Mammals | 0.29 | KE:870 | Increase, Cell Proliferation |
| KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:305 | 5α-reductase inhibition leading to short anogenital distance (AGD) in male (mammalian) offspring | Unclassified | Under Development | Rat, Human, Mouse | 0.4 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| KE:1614 | Decrease, androgen receptor activation |
| AOP:309 | Luteinizing hormone receptor antagonism leading to reproductive dysfunction | Unclassified | - | Fish | 0.29 | KE:1693 | Reduction, Plasma progesterone concentration |
| KE:1692 | Reduction, Progesterone synthesis |
| AOP:310 | Embryonic Activation of the AHR leading to Reproductive failure, via epigenetic down-regulation of GnRHR | Unclassified | - | Zebrafish | 0.17 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:327 | Excessive reactive oxygen species production leading to mortality (1) | Unclassified | - | Daphnia magna | 0.2 | KE:1769 | Increase, Body fluid overload |
| AOP:335 | AOP for urothelial carcinogenesis due to chemical cytotoxicity by mitochondrial impairment | Cancer; Urinary system disease | - | Rat | 0.2 | KE:795 | Increase, Regenerative cell proliferation (urothelial cells) |
| 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:409 | Frustrated phagocytosis leads to malignant mesothelioma | Cancer | - | | 0.25 | KE:870 | Increase, Cell Proliferation |
| KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:419 | Aryl hydrocarbon receptor activation leading to impaired lung function through P53 toxicity pathway | Respiratory system disease | - | | 0.25 | KE:1262 | Apoptosis |
| AOP:420 | Aryl hydrocarbon receptor activation leading to lung cancer through sustained NRF2 toxicity pathway | Cancer | - | | 0.25 | KE:870 | Increase, Cell Proliferation |
| AOP:432 | Deposition of Energy by Ionizing Radiation leading to Acute Myeloid Leukemia | Hematopoietic system disease; Cancer | - | Homo sapiens, Mus musculus | 0.18 | KE:1493 | Increased Pro-inflammatory mediators |
| KE:870 | Increase, Cell Proliferation |
| AOP:439 | Activation of the AhR leading to metastatic breast cancer | Thoracic disease; Cancer | Under Development | Humans, Mice | 0.22 | KE:149 | Increase, Inflammation |
| KE:1262 | Apoptosis |
| AOP:441 | Ionizing radiation-induced DNA damage leads to microcephaly via apoptosis and premature cell differentiation | Congenital nervous system abnormality; Nervous system disease | - | Homo sapiens, Mus musculus musculus, Rattus norvegicus | 0.14 | KE:1262 | Apoptosis |
| AOP:446 | PM-related Adverse outcome pathway frameworks on various systems | Respiratory system disease | - | | 0.15 | KE:149 | Increase, Inflammation |
| KE:1497 | Increased, recruitment of inflammatory cells |
| KE:1262 | Apoptosis |
| AOP:451 | Interaction with lung resident cell membrane components leads to lung cancer | Cancer | - | Human | 0.22 | KE:870 | Increase, Cell Proliferation |
| KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:452 | Adverse outcome pathway of PM-induced respiratory toxicity | Respiratory system disease | - | | 0.09 | KE:1262 | Apoptosis |
| AOP:460 | Antagonism of Smoothened receptor leading to orofacial clefting | Unclassified | Under Development | Mouse | 0.11 | KE:1262 | Apoptosis |
| 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:478 | Deposition of energy leading to occurrence of cataracts | Nervous system disease; Monogenic disease | Under Review | Human, Mouse, Rat, Rhesus monkeys, Rabbit, Guinea pig | 0.1 | KE:870 | Increase, Cell Proliferation |
| AOP:491 | Decrease, GLI1/2 target gene expression leads to orofacial clefting | Unclassified | Under Development | Mouse | 0.17 | KE:1262 | Apoptosis |
| 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:2119 | Insulin resistance, increased |
| KE:1497 | Increased, recruitment of inflammatory cells |
| AOP:495 | Androgen receptor activation leading to prostate cancer | Reproductive system disease; Cancer | - | | 0.22 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| KE:1183 | Decreased, Apoptosis (Epithelial Cells) |
| AOP:496 | Androgen receptor agonism leading to reproduction dysfunction (in zebrafish) | Unclassified | - | Zebrafish | 0.3 | KE:286 | Altered, Transcription of genes by the androgen receptor |
| KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:1690 | Decrease, circulating testosterone levels |
| AOP:500 | Activation of MEK-ERK1/2 leads to deficits in learning and cognition via ROS and apoptosis | Developmental disorder of mental health | - | Rattus norvegicus, Mus musculus, Homo sapiens | 0.14 | KE:1262 | Apoptosis |
| AOP:505 | Reactive Oxygen Species (ROS) formation leads to cancer via inflammation pathway | Cancer | - | Human, Mouse, Rat | 0.2 | KE:149 | Increase, Inflammation |
| AOP:535 | Binding and activation of GPER leading to learning and memory impairments | Developmental disorder of mental health | - | Mouse, Human | 0.11 | KE:1262 | Apoptosis |
| AOP:540 | Oxidative Stress in the Fish Ovary Leads to Reproductive Impairment via Reduced Vitellogenin Production | Unclassified | - | | 0.22 | KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| KE:1262 | Apoptosis |
| 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:563 | Aryl hydrocarbon Receptor (AHR) activation causes Premature Ovarian Insufficiency via Bax mediated apoptosis | Reproductive system disease; Endocrine system disease | - | Rat, Mouse, Zebra fish, Human | 0.17 | KE:1262 | Apoptosis |