| 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:41 | Sustained AhR Activation leading to Rodent Liver Tumours | Cancer; Gastrointestinal system disease | Under Review | Rattus sp. ABTC 42503, Mus sp. 2000082 | 0.2 | KE:854 | Alterations, Cellular proliferation / hyperplasia |
| 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:99 | Histamine (H2) receptor antagonism leading to reduced survival | Unclassified | - | Zebrafish | 0.14 | KE:635 | Decreased, locomotion |
| 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: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:1023 | Increased, Thyroid-stimulating hormone (TSH) |
| 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: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:1023 | Increased, Thyroid-stimulating hormone (TSH) |
| 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: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:868 | Increase, Tissue Degeneration, Necrosis & Atrophy |
| AOP:155 | Deiodinase 2 inhibition leading to increased mortality via reduced posterior swim bladder inflation | Unclassified | WPHA/WNT Endorsed | Fathead minnow, Zebrafish | 0.17 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:156 | Deiodinase 2 inhibition leading to increased mortality via reduced anterior swim bladder inflation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Fathead minnow | 0.17 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:157 | Deiodinase 1 inhibition leading to increased mortality via reduced posterior swim bladder inflation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Fathead minnow | 0.17 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:158 | Deiodinase 1 inhibition leading to increased mortality via reduced anterior swim bladder inflation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Fathead minnow | 0.17 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:159 | Thyroperoxidase inhibition leading to increased mortality via reduced anterior swim bladder inflation | Unclassified | WPHA/WNT Endorsed | Zebrafish, Fathead minnow | 0.12 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:189 | Type I iodothyronine deiodinase (DIO1) inhibition leading to altered amphibian metamorphosis | Unclassified | - | African clawed frog | 0.5 | KE:1116 | Decreased, Triiodothyronine (T3) in tissues |
| KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:190 | Type II iodothyronine deiodinase (DIO2) inhibition leading to altered amphibian metamorphosis | Unclassified | - | African clawed frog | 0.5 | KE:1828 | Increased, Thyroxine (T4) in serum |
| KE:1116 | Decreased, Triiodothyronine (T3) in tissues |
| KE:1023 | Increased, Thyroid-stimulating hormone (TSH) |
| 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:218 | Inhibition of CYP7B activity leads to decreased reproductive success via decreased locomotor activity | Unclassified | - | Japanese quail, Cynops pyrrhogaster | 0.17 | KE:1389 | Locomotor activity, decreased |
| AOP:287 | Mitochondrial complex III antagonism leading to growth inhibition (2) | Unclassified | - | Lemna minor, Daphnia magna, Danio rerio | 0.25 | KE:1825 | Increase, Cell death |
| 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:291 | Mitochondrial ATP synthase antagonism leading to growth inhibition (2) | Unclassified | - | Daphnia magna | 0.25 | KE:1825 | Increase, Cell death |
| 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: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:330 | Excessive reactive oxygen species production leading to mortality (4) | Unclassified | - | Daphnia magna | 0.2 | KE:1365 | Increase, Apoptosis |
| 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:362 | Immune mediated hepatitis | Gastrointestinal system disease; Immune system disease | - | Homo sapiens, Rat | 0.12 | KE:1817 | Apoptotic cell death |
| AOP:363 | Thyroperoxidase inhibition leading to altered visual function via altered retinal layer structure | Unclassified | Under Review | Zebrafish | 0.12 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:364 | Thyroperoxidase inhibition leading to altered visual function via decreased eye size | Unclassified | Under Development | | 0.12 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:365 | Thyroperoxidase inhibition leading to altered visual function via altered photoreceptor patterning | Unclassified | Under Development | | 0.12 | KE:1003 | Decreased, Triiodothyronine (T3) |
| AOP:366 | Competitive binding to thyroid hormone carrier protein transthyretin (TTR) leading to altered amphibian metamorphosis | Unclassified | - | | 0.14 | KE:959 | Increased, Free serum thyroxine (T4) |
| AOP:367 | Competitive binding to thyroid hormone carrier protein thyroid binding globulin (TBG) leading to altered amphibian metamorphosis | Unclassified | - | | 0.14 | KE:959 | Increased, Free serum thyroxine (T4) |
| AOP:368 | Cytochrome oxidase inhibition leading to increased nasal lesions | Unclassified | - | Rodents, Human | 0.33 | KE:1825 | Increase, Cell death |
| AOP:388 | Deposition of ionising energy leading to population decline via programmed cell death | Reproductive system disease | - | Lemna minor | 0.2 | KE:1864 | Increase, Programmed cell death |
| AOP:410 | GSK3beta inactivation leading to increased mortality via defects in developing inner ear | Unclassified | - | Zebrafish | 0.1 | KE:1825 | Increase, Cell death |
| AOP:418 | Aryl hydrocarbon receptor activation leading to impaired lung function through AHR-ARNT toxicity pathway | Respiratory system disease | - | | 0.2 | KE:1825 | Increase, Cell death |
| AOP:419 | Aryl hydrocarbon receptor activation leading to impaired lung function through P53 toxicity pathway | Respiratory system disease | - | | 0.25 | KE:1262 | Apoptosis |
| AOP:439 | Activation of the AhR leading to metastatic breast cancer | Thoracic disease; Cancer | Under Development | Humans, Mice | 0.11 | 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: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 | 0.1 | KE:112 | Antagonism, Estrogen receptor |
| AOP:444 | Ionizing radiation leads to reduced reproduction in Eisenia fetida via reduced spermatogenesis and cocoon hatchability | Unclassified | - | | 0.22 | KE:1798 | Decreased spermatogenesis |
| KE:1365 | Increase, Apoptosis |
| AOP:446 | PM-related Adverse outcome pathway frameworks on various systems | Respiratory system disease | - | | 0.05 | KE:1262 | Apoptosis |
| 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:1365 | Increase, Apoptosis |
| 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:463 | The AOP framwork on silica nanopariticles induced hepatoxicity | Gastrointestinal system disease | - | | 0.09 | KE:1262 | Apoptosis |
| AOP:464 | Calcium overload in dopaminergic neurons of the substantia nigra leading to parkinsonian motor deficits | Nervous system disease | - | | 0.05 | KE:1825 | Increase, Cell death |
| AOP:465 | Alcohol dehydrogenase leading to reproductive dysfunction | Unclassified | - | | 0.12 | KE:748 | Increased, Estrogen receptor (ER) activity |
| AOP:468 | Binding of SARS-CoV-2 to ACE2 leads to hyperinflammation (via cell death) | Unclassified | - | | 0.12 | KE:1825 | Increase, Cell death |
| AOP:472 | DNA adduct formation leading to kidney failure | Urinary system disease | - | | 0.11 | KE:1825 | Increase, Cell death |
| AOP:482 | Deposition of energy leading to occurrence of bone loss | Musculoskeletal system disease | Under Review | Human, Mouse, Rat, Rhesus monkeys | 0.14 | KE:1825 | Increase, Cell death |
| AOP:491 | Decrease, GLI1/2 target gene expression leads to orofacial clefting | Unclassified | Under Development | Mouse | 0.17 | 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:509 | Nrf2 inhibition leading to vascular disrupting effects through activating apoptosis signal pathway and mitochondrial dysfunction | Cardiovascular system disease | - | | 0.14 | KE:1365 | Increase, Apoptosis |
| AOP:521 | Essential element imbalance leads to reproductive failure via oxidative stress | Unclassified | - | Murinae gen. sp. | 0.29 | KE:2206 | Increased, histomorphological alteration of testis |
| 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:2225 | Disrupted Lipid Storage |
| 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:573 | Inhibition, cytochrome oxidase leads to Increased, pulmonary edema | Respiratory system disease | - | Rodents, Humans | 0.33 | KE:1825 | Increase, Cell death |
| AOP:574 | Inhibition, cytochrome oxidase leads to Loss of olfactory function | Unclassified | - | Rodents, Humans | 0.33 | KE:1825 | Increase, Cell death |