| 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: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:149 | Increase, Inflammation |
| AOP:36 | Peroxisomal Fatty Acid Beta-Oxidation Inhibition Leading to Steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.12 | KE:179 | Decreased, Mitochondrial fatty acid beta-oxidation |
| 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:40 | Covalent Protein binding leading to Skin Sensitisation | Integumentary system disease | WPHA/WNT Endorsed | Mouse, Human | 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 | 0.6 | KE:854 | Alterations, Cellular proliferation / hyperplasia |
| KE:853 | Changes/Inhibition, Cellular Homeostasis and Apoptosis |
| KE:139 | N/A, Hepatotoxicity, Hepatopathy, including a constellation of observable effects |
| AOP:58 | NR1I3 (CAR) suppression leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | Human, Mouse, Rat | 0.12 | KE:454 | Increased, Triglyceride formation |
| KE:451 | Inhibition, Mitochondrial fatty acid beta-oxidation |
| AOP:60 | NR1I2 (Pregnane X Receptor, PXR) activation leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.17 | KE:454 | Increased, Triglyceride formation |
| KE:179 | Decreased, Mitochondrial fatty acid beta-oxidation |
| AOP:64 | Glucocorticoid Receptor (GR) Mediated Adult Leydig Cell Dysfunction Leading to Decreased Male Fertility | Reproductive system disease | - | Rattus norvegicus | 0.43 | KE:520 | Decreased sperm quantity or quality in the adult, Decreased fertility |
| KE:496 | Increased apoptosis, decreased fetal/adult Leydig Cells |
| KE:1690 | Decrease, circulating testosterone levels |
| AOP:73 | Xenobiotic Inhibition of Dopamine-beta-Hydroxylase and subsequent reduced fecundity | Unclassified | - | | 0.15 | KE:10059 | Decreased LH surge for 24 hours |
| KE:531 | Decreased, LH Surge |
| AOP:77 | Nicotinic acetylcholine receptor activation contributes to abnormal foraging and leads to colony death/failure 1 | Unclassified | - | Honey bee | 0.14 | KE:341 | Impairment, Learning and memory |
| AOP:78 | Nicotinic acetylcholine receptor activation contributes to abnormal role change within the worker bee caste leading to colony death failure 1 | Unclassified | - | Honey bee | 0.25 | KE:386 | Decrease of neuronal network function |
| KE:341 | Impairment, Learning and memory |
| AOP:87 | Nicotinic acetylcholine receptor activation contributes to abnormal foraging and leads to colony loss/failure | Unclassified | - | Honey bee | 0.12 | KE:341 | Impairment, Learning and memory |
| AOP:88 | Nicotinic acetylcholine receptor activation contributes to abnormal foraging and leads to colony loss/failure via abnormal role change within caste | Unclassified | - | Honey bee | 0.14 | KE:341 | Impairment, Learning and memory |
| AOP:89 | Nicotinic acetylcholine receptor activation followed by desensitization contributes to abnormal foraging and directly leads to colony loss/failure | Unclassified | - | Honey bee | 0.12 | KE:341 | Impairment, Learning and memory |
| AOP:90 | Nicotinic acetylcholine receptor activation contributes to abnormal roll change within the worker bee caste leading to colony loss/failure 2 | Unclassified | - | Honey bee | 0.25 | KE:386 | Decrease of neuronal network function |
| KE:341 | Impairment, Learning and memory |
| AOP:99 | Histamine (H2) receptor antagonism leading to reduced survival | Unclassified | - | Zebrafish | 0.14 | KE:341 | Impairment, Learning and memory |
| AOP:102 | Cyclooxygenase inhibition leading to reproductive dysfunction via interference with meiotic prophase I /metaphase I transition | Reproductive system disease | - | Goldfish, Human, Rat, Mouse | 0.1 | KE:690 | Reduced, Luteinizing hormone (LH), plasma |
| AOP:103 | Cyclooxygenase inhibition leading to reproductive dysfunction via interference with spindle assembly checkpoint | Reproductive system disease | - | Goldfish, Human, Rat, Mouse | 0.1 | KE:690 | Reduced, Luteinizing hormone (LH), plasma |
| AOP:105 | Alpha2u-microglobulin cytotoxicity leading to renal tubular adenomas and carcinomas (in male rat) | Cancer; Urinary system disease | - | Rattus norvegicus | 0.17 | KE:710 | Increase, Regenerative cell proliferation (tubular epithelial cells) |
| 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:109 | Cytotoxicity leading to bronchioloalveolar adenomas and carcinomas (in mouse) | Cancer; Respiratory system disease | - | Mus musculus | 0.2 | KE:734 | Increase, Regenerative cell proliferation (terminal bronchiolar epithelial cells) |
| 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: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:116 | Cytotoxicity leading to renal tubular adenomas and carcinomas (in male rat) | Cancer; Urinary system disease | - | Rattus norvegicus | 0.25 | KE:710 | Increase, Regenerative cell proliferation (tubular 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:124 | HMG-CoA reductase inhibition leading to decreased fertility | Reproductive system disease | - | Rattus rattus | 0.33 | KE:807 | Decreased, cholesterol |
| KE:1690 | Decrease, circulating testosterone levels |
| AOP:126 | Alpha-noradrenergic antagonism leads to reduced fecundity via delayed ovulation | Unclassified | - | | 0.15 | KE:10059 | Decreased LH surge for 24 hours |
| KE:531 | Decreased, LH Surge |
| 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: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: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: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:870 | Increase, Cell Proliferation |
| AOP:280 | α-diketone-induced bronchiolitis obliterans | Musculoskeletal system disease; Respiratory system disease | - | | 0.14 | KE:149 | Increase, Inflammation |
| 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:1690 | Decrease, circulating testosterone levels |
| AOP:290 | Mitochondrial ATP synthase antagonism leading to growth inhibition (1) | Unclassified | - | Daphnia magna | 0.25 | KE:1821 | Decrease, Cell proliferation |
| 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:318 | Glucocorticoid Receptor activation leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.2 | KE:860 | Decreased, Mitochondrial Fatty Acid Beta Oxidation |
| AOP:321 | Reduced environmental pH leading to thinner shells in Mytilus edulis | Unclassified | - | | 0.09 | KE:10042 | Abnormal development |
| AOP:323 | PPARalpha Agonism Leading to Decreased Viable Offspring via Decreased 11-Ketotestosterone | Unclassified | - | Teleost fish | 0.33 | KE:1758 | Impaired, Spermatogenesis |
| 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: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:348 | Inhibition of 11β-Hydroxysteroid Dehydrogenase leading to decreased population trajectory | Unclassified | Under Development | Fish | 0.2 | KE:1758 | Impaired, Spermatogenesis |
| AOP:349 | Inhibition of 11β-hydroxylase leading to decresed population trajectory | Unclassified | Under Development | Fish | 0.12 | KE:1798 | Decreased spermatogenesis |
| AOP:374 | Binding of Sars-CoV-2 spike protein to ACE 2 receptors expressed on brain cells (neuronal and non-neuronal) leads to neuroinflammation resulting in encephalitis | Nervous system disease | Under Development | Human | 0.25 | KE:352 | N/A, Neurodegeneration |
| AOP:399 | Inhibition of Fyna leading to increased mortality via decreased eye size (Microphthalmos) | Unclassified | - | Zebrafish | 0.12 | KE:1821 | Decrease, Cell proliferation |
| 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:431 | Increased tumor necrosis factor (TNF) leading to increased risk of gestational diabetes mellitus (GDM) | Inherited metabolic disorder | - | Human | 0.2 | KE:1952 | Abnormal, Glucose homeostasis |
| 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:444 | Ionizing radiation leads to reduced reproduction in Eisenia fetida via reduced spermatogenesis and cocoon hatchability | Unclassified | - | | 0.11 | KE:1798 | Decreased spermatogenesis |
| 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:450 | Inhibition of AChE and activation of CYP2E1 leading to sensory axonal peripheral neuropathy and mortality | Nervous system disease | - | Rattus norvegicus, Mus musculus, Homo sapiens | 0.14 | KE:352 | N/A, Neurodegeneration |
| 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:453 | Reactive oxygen species and subsequent oxidative stress lead to increased incidence of digestive morbidity and mortality in the general population | Gastrointestinal system disease | - | | 0.08 | KE:1995 | Abnormal lipid metabolism |
| 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:463 | The AOP framwork on silica nanopariticles induced hepatoxicity | Gastrointestinal system disease | - | | 0.18 | KE:149 | Increase, Inflammation |
| KE:1262 | Apoptosis |
| AOP:469 | Reactive oxygen speicies overproduction leading to increased digestive morbidity and mortality in generation population | Gastrointestinal system disease | - | | 0.08 | KE:1995 | Abnormal lipid metabolism |
| AOP:470 | Deposition of energy leads to abnormal vascular remodeling | Cardiovascular system disease | Under Review | Human, Rat, Mouse, Rabbit | 0.25 | KE:1493 | Increased Pro-inflammatory mediators |
| KE:2244 | Altered Stress Response Signaling |
| 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 | 0.33 | KE:1821 | Decrease, Cell proliferation |
| KE:1262 | Apoptosis |
| AOP:495 | Androgen receptor activation leading to prostate cancer | Reproductive system disease; Cancer | - | | 0.22 | KE:854 | Alterations, Cellular proliferation / hyperplasia |
| KE:1183 | Decreased, Apoptosis (Epithelial Cells) |
| AOP:496 | Androgen receptor agonism leading to reproduction dysfunction (in zebrafish) | Unclassified | - | Zebrafish | 0.1 | KE:1690 | Decrease, circulating testosterone levels |
| AOP:505 | Reactive Oxygen Species (ROS) formation leads to cancer via inflammation pathway | Cancer | - | Human, Mouse, Rat | 0.2 | KE:149 | Increase, Inflammation |
| AOP:513 | Reactive Oxygen (ROS) formation leads to cancer via Peroxisome proliferation-activated receptor (PPAR) pathway | Cancer | - | Human, Mouse, Rat | 0.2 | KE:1060 | Alteration, lipid metabolism |
| AOP:521 | Essential element imbalance leads to reproductive failure via oxidative stress | Unclassified | - | Murinae gen. sp. | 0.14 | KE:1758 | Impaired, Spermatogenesis |
| 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:179 | Decreased, Mitochondrial fatty acid beta-oxidation |
| AOP:540 | Oxidative Stress in the Fish Ovary Leads to Reproductive Impairment via Reduced Vitellogenin Production | Unclassified | - | | 0.11 | 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:550 | Increased LMNA gene mutation leading to heart failure | Cardiovascular system disease | - | Human, Mouse, Rat | 0.2 | KE:2066 | Altered Signaling Pathways |
| AOP:556 | Decreased Na/K ATPase activity leading to heart failure | Cardiovascular system disease | - | | 0.17 | KE:389 | Increased, Intracellular Calcium overload |
| AOP:558 | Phosphodiesterase inhibition leading to heart failure | Cardiovascular system disease | - | Human and other cells in culture, Rodents, Dog, Pig, Zebrafish | 0.17 | KE:389 | Increased, Intracellular Calcium overload |
| 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 |