| 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:1392 | Oxidative Stress |
| AOP:18 | PPARα activation in utero leading to impaired fertility in males | Reproductive system disease | Under Review | Human, Rat, Mouse | 0.25 | KE:447 | Reduction, Cholesterol transport in mitochondria |
| 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:48 | Binding of agonists to ionotropic glutamate receptors in adult brain causes excitotoxicity that mediates neuronal cell death, contributing to learning and memory impairment. | Developmental disorder of mental health | WPHA/WNT Endorsed | Human, Mouse, Rat | 0.11 | KE:352 | N/A, Neurodegeneration |
| AOP:60 | NR1I2 (Pregnane X Receptor, PXR) activation leading to hepatic steatosis | Gastrointestinal system disease; Inherited metabolic disorder | - | | 0.08 | KE:474 | Down Regulation, HMGCS2 |
| AOP:64 | Glucocorticoid Receptor (GR) Mediated Adult Leydig Cell Dysfunction Leading to Decreased Male Fertility | Reproductive system disease | - | Rattus norvegicus | 0.29 | KE:520 | Decreased sperm quantity or quality in the adult, Decreased fertility |
| 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: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:108 | Inhibition of pyruvate dehydrogenase kinase leading to hepatocellular adenomas and carcinomas (in mouse and rat) | Cancer; Gastrointestinal system disease | - | Mus musculus, Rattus norvegicus | 0.17 | KE:726 | Increased, Induction of pyruvate dehydrogenase (PDH) |
| 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: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: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: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:220 | Cyp2E1 Activation Leading to Liver Cancer | Cancer; Gastrointestinal system disease | WPHA/WNT Endorsed | Rodents, Homo sapiens | 0.2 | KE:1392 | Oxidative Stress |
| 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:278 | IKK complex inhibition leading to liver injury | Unclassified | - | | 0.12 | KE:1579 | Increase, proinflammatory mediators (TNFalpha) |
| 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: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: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: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: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: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: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:416 | Aryl hydrocarbon receptor activation leading to lung cancer through IL-6 toxicity pathway | Cancer | - | | 0.17 | KE:1933 | Increased, Interleukin-6 production |
| AOP:437 | Inhibition of mitochondrial electron transport chain (ETC) complexes leading to kidney toxicity | Urinary system disease | Under Development | | 0.2 | KE:1392 | Oxidative Stress |
| AOP:438 | reactive oxygen species generation leading to increased cardiovascular morbidity and mortality | Cardiovascular system disease | - | | 0.08 | KE:1392 | Oxidative Stress |
| AOP:439 | Activation of the AhR leading to metastatic breast cancer | Thoracic disease; Cancer | Under Development | Humans, Mice | 0.11 | KE:1971 | Increased, tumor growth |
| 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:1172 | Increased activation, Nuclear factor kappa B (NF-kB) |
| AOP:444 | Ionizing radiation leads to reduced reproduction in Eisenia fetida via reduced spermatogenesis and cocoon hatchability | Unclassified | - | | 0.22 | KE:1392 | Oxidative Stress |
| KE:1798 | Decreased spermatogenesis |
| AOP:446 | PM-related Adverse outcome pathway frameworks on various systems | Respiratory system disease | - | | 0.05 | KE:1392 | Oxidative Stress |
| 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:1392 | Oxidative Stress |
| AOP:448 | ROS, inflammation, and activation of nAChR lead to increased incidence of cardiovascular morbidity and mortality | Cardiovascular system disease | - | | 0.06 | KE:1392 | Oxidative Stress |
| 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 | 0.29 | KE:1392 | Oxidative Stress |
| KE:352 | N/A, Neurodegeneration |
| AOP:452 | Adverse outcome pathway of PM-induced respiratory toxicity | Respiratory system disease | - | | 0.09 | KE:1392 | Oxidative Stress |
| 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:1392 | Oxidative Stress |
| AOP:457 | Succinate dehydrogenase inhibition leading to increased insulin resistance through reduction in circulating thyroxine | Inherited metabolic disorder | - | Human | 0.17 | KE:1392 | Oxidative Stress |
| AOP:459 | AhR activation in the thyroid leading to Subsequent Adverse Neurodevelopmental Outcomes in Mammals | Cognitive disorder | - | Human, Mouse, Rat | 0.11 | KE:1392 | Oxidative Stress |
| AOP:463 | The AOP framwork on silica nanopariticles induced hepatoxicity | Gastrointestinal system disease | - | | 0.09 | KE:1392 | Oxidative Stress |
| AOP:464 | Calcium overload in dopaminergic neurons of the substantia nigra leading to parkinsonian motor deficits | Nervous system disease | - | | 0.05 | KE:1392 | Oxidative Stress |
| AOP:469 | Reactive oxygen speicies overproduction leading to increased digestive morbidity and mortality in generation population | Gastrointestinal system disease | - | | 0.08 | KE:1392 | Oxidative Stress |
| AOP:470 | Deposition of energy leads to abnormal vascular remodeling | Cardiovascular system disease | Under Review | Human, Rat, Mouse, Rabbit | 0.25 | KE:1392 | Oxidative Stress |
| KE:2244 | Altered Stress Response Signaling |
| 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:1392 | Oxidative Stress |
| AOP:479 | Mitochondrial complexes inhibition leading to left ventricular function decrease via increased myocardial oxidative stress | Cardiovascular system disease; Thoracic disease | Under Development | | 0.14 | KE:1392 | Oxidative Stress |
| AOP:482 | Deposition of energy leading to occurrence of bone loss | Musculoskeletal system disease | Under Review | Human, Mouse, Rat, Rhesus monkeys | 0.14 | KE:1392 | Oxidative Stress |
| AOP:483 | Deposition of Energy Leading to Learning and Memory Impairment | Developmental disorder of mental health | Under Review | Mouse, Rat, Rabbit, Dog, Pigs, Cow, Human | 0.25 | KE:1392 | Oxidative Stress |
| KE:2244 | Altered Stress Response Signaling |
| AOP:488 | Increased reactive oxygen species production leading to decreased cognitive function | Cognitive disorder | - | Human | 0.14 | KE:1392 | Oxidative Stress |
| AOP:496 | Androgen receptor agonism leading to reproduction dysfunction (in zebrafish) | Unclassified | - | Zebrafish | 0.2 | KE:219 | Reduction, Plasma 17beta-estradiol concentrations |
| KE:1690 | Decrease, circulating testosterone levels |
| AOP:497 | ERa inactivation alters mitochondrial functions and insulin signalling in skeletal muscle and leads to insulin resistance and metabolic syndrome | Inherited metabolic disorder; Disease of metabolism | - | | 0.12 | KE:1392 | Oxidative Stress |
| 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:352 | N/A, Neurodegeneration |
| AOP:501 | Excessive iron accumulation leading to neurological disorders | Nervous system disease | - | Homo sapiens | 0.25 | KE:1392 | Oxidative Stress |
| AOP:504 | SULT1E1 inhibition leading to uterine adenocarcinoma via increased estrogen availability at target organ level | Unclassified | - | Mammals | 0.33 | KE:2251 | Estradiol availability, increased |
| AOP:507 | Nrf2 inhibition leading to vascular disrupting effects via inflammation pathway | Cardiovascular system disease | - | Mouse, Zebrafish, Human | 0.17 | KE:1392 | Oxidative Stress |
| AOP:509 | Nrf2 inhibition leading to vascular disrupting effects through activating apoptosis signal pathway and mitochondrial dysfunction | Cardiovascular system disease | - | | 0.14 | KE:1392 | Oxidative Stress |
| AOP:510 | Demethylation of PPAR promotor leading to vascular disrupting effects | Cardiovascular system disease | - | Human, Mouse, Zebrafish | 0.1 | KE:1392 | Oxidative Stress |
| AOP:511 | The AOP framework on ROS-mediated oxidative stress induced vascular disrupting effects | Cardiovascular system disease | - | Human, Mouse, Zebrafish | 0.06 | KE:1392 | Oxidative Stress |
| AOP:521 | Essential element imbalance leads to reproductive failure via oxidative stress | Unclassified | - | Murinae gen. sp. | 0.43 | KE:1392 | Oxidative Stress |
| KE:2206 | Increased, histomorphological alteration of testis |
| KE:1758 | Impaired, Spermatogenesis |
| AOP:525 | Reduced oligodendrocyte differentiation during neurodevelopment leading to impaired learning and memory | Developmental disorder of mental health | - | | 0.08 | KE:2115 | Altered, cholesterol metabolism |
| AOP:535 | Binding and activation of GPER leading to learning and memory impairments | Developmental disorder of mental health | - | Mouse, Human | 0.22 | KE:1392 | Oxidative Stress |
| KE:2233 | Decreased, ERαβ heterodimers |
| AOP:540 | Oxidative Stress in the Fish Ovary Leads to Reproductive Impairment via Reduced Vitellogenin Production | Unclassified | - | | 0.22 | KE:1392 | Oxidative Stress |
| KE:3 | Reduction, 17beta-estradiol synthesis by ovarian granulosa cells |
| AOP:541 | Excessive ROS generation leading to increased incidence of vascular calcification by VSMC phenotype switching | Cardiovascular system disease | - | | 0.08 | KE:1392 | Oxidative Stress |
| 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:550 | Increased LMNA gene mutation leading to heart failure | Cardiovascular system disease | - | Human, Mouse, Rat | 0.2 | KE:2066 | Altered Signaling Pathways |
| AOP:561 | Aromatase induction leading to estrogen receptor alpha activation via increased estradiol | Unclassified | - | Vertebrates | 0.4 | KE:2294 | Plasma estradiol, increased |
| KE:2251 | Estradiol availability, increased |
| AOP:569 | Decreased DNA methylation of FAM50B/PTCHD3 leading to IQ loss of children via PI3K-Akt pathway | Developmental disorder of mental health | - | | 0.17 | KE:2195 | Increase, CNS Neural cell death |