| AOP:4 | Ecdysone receptor agonism leading to incomplete ecdysis associated mortality | Unclassified | - | Insects, Crustaceans | 0.1 | KE:993 | Decrease, Abdominal muscle contraction |
| AOP:15 | Alkylation of DNA in male pre-meiotic germ cells leading to heritable mutations | Genetic disease | WPHA/WNT Endorsed | Mus musculus, Drosophila melanogaster, Oryzias latipes, Syrian golden hamster | 0.25 | KE:155 | Inadequate DNA repair |
| 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:317 | Altered, Cardiovascular development/function |
| AOP:27 | Cholestatic Liver Injury induced by Inhibition of the Bile Salt Export Pump (ABCB11) | Gastrointestinal system disease | Under Development | Humans | 0.12 | KE:288 | Activation of specific nuclear receptors, Transcriptional change |
| 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 | 0.14 | KE:496 | Increased apoptosis, decreased fetal/adult Leydig Cells |
| AOP:80 | Nicotinic acetylcholine receptor activation contributes to accumulation of damaged mitochondrial DNA and leads to colony loss/failure | Unclassified | - | Honey bee | 0.12 | KE:664 | Overwhelmed, Mitochondrial DNA repair mechanisms |
| AOP:94 | Sodium channel inhibition leading to congenital malformations | Unclassified | - | Human, Rat, Mouse | 0.17 | KE:590 | N/A, hypoxia |
| AOP:112 | Increased dopaminergic activity leading to endometrial adenocarcinomas (in Wistar rat) | Reproductive system disease; Cancer | - | Rattus norvegicus | 0.17 | KE:111 | Agonism, Estrogen receptor |
| AOP:128 | Kidney dysfunction by decreased thyroid hormone | Urinary system disease | Under Development | Sprague-Dawley, Homo sapiens | 0.09 | KE:825 | Decreased, Renal ability to dilute urine |
| AOP:139 | Alkylation of DNA leading to cancer 1 | Cancer | - | Homo sapiens, Mus musculus | 0.25 | KE:155 | Inadequate DNA repair |
| 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:317 | Altered, Cardiovascular development/function |
| AOP:207 | NADPH oxidase and P38 MAPK activation leading to reproductive failure in Caenorhabditis elegans | Reproductive system disease | - | Caenorhabditis elegans | 0.25 | KE:1281 | Increased, DNA Damage-Repair |
| KE:1262 | Apoptosis |
| AOP:209 | Perturbation of cholesterol and glutathione homeostasis leading to hepatotoxicity: Integrated multi-OMICS approach for building AOP | Gastrointestinal system disease | - | | 0.12 | KE:1289 | Perturbation of cholesterol |
| 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 | 0.4 | KE:1393 | Hepatocytotoxicity |
| KE:1394 | Induction, persistent proliferation/sustained proliferation |
| AOP:232 | NFE2/Nrf2 repression to steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.12 | KE:1419 | Reduced, FXR activity |
| AOP:263 | Uncoupling of oxidative phosphorylation leading to growth inhibition via decreased cell proliferation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Mouse, Rat, Lemna minor, Human, Caenorhabditis elegans | 0.25 | KE:1821 | Decrease, Cell proliferation |
| AOP:267 | Uncoupling of oxidative phosphorylation leading to growth inhibition via glucose depletion | Unclassified | Under Development | | 0.2 | KE:1821 | Decrease, Cell proliferation |
| AOP:272 | Deposition of energy leading to lung cancer | Cancer | WPHA/WNT Endorsed | Human, Rat, Mouse | 0.14 | KE:155 | Inadequate DNA repair |
| AOP:286 | Mitochondrial complex III antagonism leading to growth inhibition (1) | Unclassified | - | Lemna minor, Daphnia magna, Danio rerio | 0.25 | KE:1821 | Decrease, Cell proliferation |
| 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 | 0.12 | KE:1614 | Decrease, androgen receptor activation |
| AOP:290 | Mitochondrial ATP synthase antagonism leading to growth inhibition (1) | Unclassified | - | Daphnia magna | 0.25 | KE:1821 | Decrease, Cell proliferation |
| AOP:296 | Oxidative DNA damage leading to chromosomal aberrations and mutations | Genetic disease; Chromosomal disease | WPHA/WNT Endorsed | Human, Mice, Rat, Fish | 0.2 | KE:155 | Inadequate DNA repair |
| 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:322 | Alkylation of DNA leading to reduced sperm count | Reproductive system disease | - | | 0.2 | KE:155 | Inadequate DNA repair |
| AOP:323 | PPARalpha Agonism Leading to Decreased Viable Offspring via Decreased 11-Ketotestosterone | Unclassified | - | Teleost fish | 0.17 | KE:807 | Decreased, cholesterol |
| AOP:331 | Excessive reactive oxygen species leading to growth inhibition via oxidative DNA damage and reduced cell proliferation | Unclassified | - | Daphnia magna, Daphnia middendorffiana, Daphnia pulex, Daphnia pulicaria, Daphnia parvula | 0.17 | KE:1821 | Decrease, Cell proliferation |
| AOP:332 | Excessive reactive oxygen species leading to growth inhibition via lipid peroxidation and reduced cell proliferation | Unclassified | - | | 0.2 | KE:1821 | Decrease, Cell proliferation |
| AOP:333 | Excessive reactive oxygen species leading to growth inhibition via uncoupling of oxidative phosphorylation | Unclassified | - | | 0.2 | KE:1821 | Decrease, Cell proliferation |
| AOP:379 | Binding to ACE2 leading to thrombosis and disseminated intravascular coagulation | Cardiovascular system disease | Under Development | Homo sapiens | 0.14 | KE:1869 | Diminished protective oxidative stress response |
| AOP:382 | Angiotensin II type 1 receptor (AT1R) agonism leading to lung fibrosis | Musculoskeletal system disease; Respiratory system disease | Under Development | | 0.17 | KE:1172 | Increased activation, Nuclear factor kappa B (NF-kB) |
| AOP:397 | Bulky DNA adducts leading to mutations | Genetic disease | Under Development | | 0.33 | KE:155 | Inadequate DNA repair |
| AOP:399 | Inhibition of Fyna leading to increased mortality via decreased eye size (Microphthalmos) | Unclassified | - | Zebrafish | 0.12 | KE:1821 | Decrease, Cell proliferation |
| AOP:406 | SARS-CoV-2 infection leading to hyperinflammation | Unclassified | - | | 0.17 | KE:1869 | Diminished protective oxidative stress response |
| AOP:415 | Aryl hydrocarbon receptor activation leading to lung fibrosis through IL-6 toxicity pathway | Musculoskeletal system disease; Respiratory system disease | - | | 0.2 | KE:1921 | Altered gene expression, NF-kB dependent Interleukin-6 pathway |
| AOP:416 | Aryl hydrocarbon receptor activation leading to lung cancer through IL-6 toxicity pathway | Cancer | - | | 0.17 | KE:1921 | Altered gene expression, NF-kB dependent Interleukin-6 pathway |
| AOP:419 | Aryl hydrocarbon receptor activation leading to impaired lung function through P53 toxicity pathway | Respiratory system disease | - | | 0.25 | KE:1262 | Apoptosis |
| AOP:432 | Deposition of Energy by Ionizing Radiation leading to Acute Myeloid Leukemia | Hematopoietic system disease; Cancer | - | Homo sapiens, Mus musculus | 0.09 | KE:155 | Inadequate DNA repair |
| AOP:438 | reactive oxygen species generation leading to increased cardiovascular morbidity and mortality | Cardiovascular system disease | - | | 0.08 | KE:1919 | Increased, Cardiac Dysregulation |
| AOP:439 | Activation of the AhR leading to metastatic breast cancer | Thoracic disease; Cancer | Under Development | Humans, Mice | 0.11 | KE:1262 | Apoptosis |
| AOP:440 | Hypothalamus estrogen receptors activity suppression leading to ovarian cancer via ovarian epithelial cell hyperplasia | Benign neoplasm; Endocrine system disease; Reproductive system disease; Reproductive system disease; Cancer; Endocrine system disease | Under Development | Human, Rat, Mice | 0.11 | KE:1973 | Increased, estrogens |
| 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:443 | DNA damage and mutations leading to Metastatic Breast Cancer | Thoracic disease; Cancer | Under Development | Human and other cells in culture, Human, Mice, Rat, Canine heartworm nematode, Yeast | 0.3 | KE:155 | Inadequate DNA repair |
| KE:112 | Antagonism, Estrogen receptor |
| KE:1172 | Increased activation, Nuclear factor kappa B (NF-kB) |
| AOP:446 | PM-related Adverse outcome pathway frameworks on various systems | Respiratory system disease | - | | 0.05 | KE:1262 | Apoptosis |
| AOP:452 | Adverse outcome pathway of PM-induced respiratory toxicity | Respiratory system disease | - | | 0.09 | KE:1262 | Apoptosis |
| 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 | 0.17 | KE:317 | Altered, Cardiovascular development/function |
| AOP:460 | Antagonism of Smoothened receptor leading to orofacial clefting | Unclassified | Under Development | Mouse | 0.22 | KE:1821 | Decrease, Cell proliferation |
| KE:1262 | Apoptosis |
| AOP:465 | Alcohol dehydrogenase leading to reproductive dysfunction | Unclassified | - | | 0.12 | KE:748 | Increased, Estrogen receptor (ER) activity |
| 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:155 | Inadequate DNA repair |
| AOP:488 | Increased reactive oxygen species production leading to decreased cognitive function | Cognitive disorder | - | Human | 0.14 | KE:1869 | Diminished protective oxidative stress response |
| AOP:491 | Decrease, GLI1/2 target gene expression leads to orofacial clefting | Unclassified | Under Development | Mouse | 0.33 | KE:1821 | Decrease, Cell proliferation |
| KE:1262 | Apoptosis |
| 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: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:539 | Decreased Sodium/Potassium ATPase activity leads to Heart failure | Cardiovascular system disease | - | Fish | 0.29 | KE:2237 | Decreased, Plasma sodium concentrations |
| KE:2261 | Decreased, blood plasma volume |
| AOP:540 | Oxidative Stress in the Fish Ovary Leads to Reproductive Impairment via Reduced Vitellogenin Production | Unclassified | - | | 0.11 | KE:1262 | Apoptosis |
| AOP:546 | Succinate dehydrogenase inactivation leads to cancer through hypoxic-like mechanisms | Cancer | - | Human and other cells in culture | 0.2 | KE:590 | N/A, hypoxia |
| 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 |