Related by context. Frequent words. (Click for all words.) 65 circadian rhythms 62 circadian clocks 61 circadian rhythm 60 hormone melatonin 60 Notch signaling 59 fatty acid metabolism 59 neurochemicals 58 methylation patterns 58 neurochemistry 58 metabolism 57 neuropeptides 57 mutant flies 57 reproductive hormones 57 metabolic 57 cellular metabolism 56 HPA axis 56 metabolic processes 56 biochemical processes 56 suppresses appetite 56 dopamine neurons 56 circadian 56 synaptic transmission 56 histone modifications 56 orexin 56 neural cells 56 gut microbes 56 neural circuitry 56 serotonin transporter 56 molecular pathways 56 Klotho 56 molecular mechanism 56 carbohydrate metabolism 56 Wnt signaling 55 nematode worms 55 circadian clock 55 ALDH2 55 cellular pathways 55 synaptic plasticity 55 neuronal activity 55 Helicobacter 55 apoE 55 neurotransmitter serotonin 55 kisspeptin 55 neurochemical 55 homeostatic 54 neural mechanisms 54 NF kappaB 54 telomerase activity 54 molecular pathway 54 glucose homeostasis 54 neuronal connections 54 brain lesions 54 FGF# 54 neurotransmitter dopamine 54 mice lacking 54 genetically altered mice 54 neuropeptide 54 spermatogenesis 54 mutant proteins 54 gut flora 54 Oxidative stress 54 glucocorticoid 54 signaling molecule 54 glutamate receptors 54 neurotransmitter glutamate 54 neural pathways 54 Notch pathway 54 dysregulation 54 physiological 54 endocannabinoid system 54 pineal gland 54 molecular mechanisms underlying 54 eukaryotic cells 54 insulin receptors 54 PrP 54 neurogenesis 53 calpain 53 biochemical pathways 53 AMPA receptors 53 Hox genes 53 progranulin 53 epigenome 53 STAT3 53 leucine 53 endocannabinoids 53 neural circuits 53 serotonin receptor 53 female reproductive tract 53 hormone leptin 53 metabolisms 53 protein misfolding 53 researchers hypothesize 53 telomere shortening 53 leptin 53 dopamine receptor 53 brain circuitry 53 dietary restriction 53 calmodulin 53 taste receptors 53 Fruit flies 53 biochemical pathway