| 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: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: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 | 0.4 | 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: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 | 0.4 | KE:1214 | Altered gene expression specific to CAR activation, Hepatocytes |
| 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:114 | HPPD inhibition leading to corneal papillomas and carcinomas (in rat) | Cancer | - | Rattus norvegicus | 0.17 | KE:778 | Increase, Regenerative cell proliferation (corneal cells) |
| AOP:115 | Epithelial cytotoxicity leading to forestomach tumors (in mouse and rat) | Cancer | - | Mus musculus, Rattus norvegicus | 0.2 | 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:136 | Intracellular Acidification Induced Olfactory Epithelial Injury Leading to Site of Contact Nasal Tumors | Benign neoplasm; Respiratory system disease | Under Review | | 0.29 | KE:868 | Increase, Tissue Degeneration, Necrosis & Atrophy |
| KE:870 | Increase, Cell Proliferation |
| 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:190 | Type II iodothyronine deiodinase (DIO2) inhibition leading to altered amphibian metamorphosis | Unclassified | - | African clawed frog | 0.17 | KE:1829 | Altered, Thyroid hormone-dependent gene expression |
| AOP:191 | Type III iodotyrosine deiodinase (DIO3) inhibition leading to altered amphibian metamorphosis | Unclassified | - | African clawed frog | 0.5 | KE:1154 | Increased, Triiodothyronine (T3) in tissues |
| KE:1829 | Altered, Thyroid hormone-dependent gene expression |
| 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: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:245 | Reduction in photophosphorylation leading to growth inhibition in aquatic plants | Unclassified | - | Lemna minor, Lemna gibba | 0.09 | KE:40 | Decrease, Mitochondrial ATP production |
| AOP:258 | Renal protein alkylation leading to kidney toxicity | Urinary system disease | Under Development | Human, Rat, Mouse | 0.2 | KE:40 | Decrease, Mitochondrial ATP production |
| AOP:272 | Deposition of energy leading to lung cancer | Cancer | WPHA/WNT Endorsed | Human, Rat, Mouse | 0.43 | KE:155 | Inadequate DNA repair |
| KE:870 | Increase, Cell Proliferation |
| KE:1636 | Increase, Chromosomal aberrations |
| AOP:286 | Mitochondrial complex III antagonism leading to growth inhibition (1) | Unclassified | - | Lemna minor, Daphnia magna, Danio rerio | 0.5 | KE:1821 | Decrease, Cell proliferation |
| KE:1771 | Decrease, Adenosine triphosphate pool |
| AOP:287 | Mitochondrial complex III antagonism leading to growth inhibition (2) | Unclassified | - | Lemna minor, Daphnia magna, Danio rerio | 0.25 | KE:1771 | Decrease, Adenosine triphosphate pool |
| AOP:290 | Mitochondrial ATP synthase antagonism leading to growth inhibition (1) | Unclassified | - | Daphnia magna | 0.5 | KE:1821 | Decrease, Cell proliferation |
| KE:1771 | Decrease, Adenosine triphosphate pool |
| AOP:291 | Mitochondrial ATP synthase antagonism leading to growth inhibition (2) | Unclassified | - | Daphnia magna | 0.25 | KE:1771 | Decrease, Adenosine triphosphate pool |
| 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: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 | | 0.11 | 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:1669 | Increased, DNA damage and mutation |
| AOP:322 | Alkylation of DNA leading to reduced sperm count | Reproductive system disease | - | | 0.2 | KE:155 | Inadequate DNA repair |
| AOP:327 | Excessive reactive oxygen species production leading to mortality (1) | Unclassified | - | Daphnia magna | 0.2 | KE:1769 | Increase, Body fluid overload |
| AOP:328 | Excessive reactive oxygen species production leading to mortality (2) | Unclassified | - | Daphnia magna | 0.2 | KE:1771 | Decrease, Adenosine triphosphate pool |
| AOP:329 | Excessive reactive oxygen species production leading to mortality (3) | Unclassified | - | Daphnia magna, Paracyclopina nana | 0.2 | KE:1771 | Decrease, Adenosine triphosphate pool |
| 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 | - | | 0.6 | KE:1821 | Decrease, Cell proliferation |
| KE:1771 | Decrease, Adenosine triphosphate pool |
| KE:1446 | Decrease, Coupling of oxidative phosphorylation |
| 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: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:387 | Deposition of ionising energy leading to population decline via mitochondrial dysfunction | Reproductive system disease | - | Lemna minor | 0.12 | KE:40 | Decrease, Mitochondrial ATP production |
| 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:409 | Frustrated phagocytosis leads to malignant mesothelioma | Cancer | - | | 0.25 | KE:870 | Increase, Cell Proliferation |
| KE:1669 | Increased, DNA damage and mutation |
| AOP:413 | Oxidation and antagonism of reduced glutathione leading to mortality via acute renal failure | Unclassified | - | Fish, Mice | 0.33 | KE:1607 | Increase, Necrosis |
| KE:759 | Increased, Kidney Failure |
| AOP:414 | Aryl hydrocarbon receptor activation leading to lung fibrosis through TGF-β dependent fibrosis toxicity pathway | Musculoskeletal system disease; Respiratory system disease | - | | 0.2 | KE:1920 | Altered gene expression, TGF-β dependent fibrosis pathway |
| AOP:416 | Aryl hydrocarbon receptor activation leading to lung cancer through IL-6 toxicity pathway | Cancer | - | | 0.17 | KE:1669 | Increased, DNA damage and mutation |
| AOP:417 | Aryl hydrocarbon receptor activation leading to lung cancer through AHR-ARNT toxicity pathway | Cancer | - | | 0.2 | KE:1669 | Increased, DNA damage and mutation |
| 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:155 | Inadequate DNA repair |
| 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:1971 | Increased, tumor growth |
| 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 | 0.29 | KE:1974 | Activation of Tumor Protein 53 |
| KE:1262 | Apoptosis |
| AOP:446 | PM-related Adverse outcome pathway frameworks on various systems | Respiratory system disease | - | | 0.1 | KE:1250 | Decrease, Lung function |
| 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:1669 | Increased, DNA damage and mutation |
| 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 | 0.33 | KE:1821 | Decrease, Cell proliferation |
| KE:2043 | Decrease, Sonic Hedgehog second messenger production |
| KE:1262 | Apoptosis |
| AOP:463 | The AOP framwork on silica nanopariticles induced hepatoxicity | Gastrointestinal system disease | - | | 0.09 | KE:1262 | Apoptosis |
| 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 | 0.3 | KE:155 | Inadequate DNA repair |
| KE:870 | Increase, Cell Proliferation |
| KE:1636 | Increase, Chromosomal aberrations |
| AOP:480 | Mitochondrial complexes inhibition leading to heart failure via decreased ATP production | Cardiovascular system disease; Thoracic disease | Under Development | | 0.2 | KE:40 | Decrease, Mitochondrial ATP production |
| AOP:488 | Increased reactive oxygen species production leading to decreased cognitive function | Cognitive disorder | - | Human | 0.29 | KE:1869 | Diminished protective oxidative stress response |
| KE:2107 | Hypomyelination |
| AOP:491 | Decrease, GLI1/2 target gene expression leads to orofacial clefting | Unclassified | Under Development | Mouse | 0.5 | KE:1821 | Decrease, Cell proliferation |
| KE:2043 | Decrease, Sonic Hedgehog second messenger production |
| KE:1262 | Apoptosis |
| AOP:495 | Androgen receptor activation leading to prostate cancer | Reproductive system disease; Cancer | - | | 0.11 | KE:1183 | Decreased, Apoptosis (Epithelial Cells) |
| 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:525 | Reduced oligodendrocyte differentiation during neurodevelopment leading to impaired learning and memory | Developmental disorder of mental health | - | | 0.15 | KE:1656 | Antagonism, Thyroid Receptor |
| KE:2107 | Hypomyelination |
| 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 | - | | 0.11 | KE:1262 | Apoptosis |
| 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 |
| AOP:564 | DBDPE-induced inhibition of mitochondrial complex Ⅰ leading to population decline via neurotoxicity and metabotoxicity. | Unclassified | - | Zebrafish | 0.09 | KE:40 | Decrease, Mitochondrial ATP production |