Neuroscience
Opiate
95%
δ -Opioid Receptor
90%
Blood Brain Barrier
83%
Morphine
71%
Agonist
70%
Eicosanoid Receptor
64%
Neuropathic Pain
63%
Enkephalin
52%
In Vivo
45%
Alzheimer's Disease
44%
Behavior (Neuroscience)
38%
In Vitro
37%
Allodynia
36%
Central Nervous System
35%
Binding Site
31%
Collapsin Response Mediator Protein 2
30%
Hyperalgesia
30%
Intrathecal
27%
Migraine
25%
Substance P
22%
Spinal Nerve
22%
Delta Opiate Receptor
21%
Dorsal Root Ganglion
20%
Muscarinic Acetylcholine Receptor
20%
Neurokinin 1 Receptor
19%
Headache
19%
Sensory Neuron
18%
Receptor Binding
18%
Endorphin
18%
Receptor Subtype
18%
Deltorphin
17%
Receptor Agonists
17%
Brain Ischemia
17%
Calcitonin
17%
Metabolic Pathway
16%
Naltrindole
16%
Ventral Tegmental Area
16%
Dynorphin
15%
Nociceptor
15%
Nociception
14%
Astrocyte
14%
Opioid Peptide
14%
Microvessel
14%
Nucleus Accumbens
14%
Naloxone
14%
Rostral Ventromedial Medulla
13%
Cerebral Cortex
13%
Pirenzepine
13%
Antisense Oligodeoxynucleotide
12%
Opioid Antagonist
12%
Cannabinoid
12%
Tight Junction
12%
Neurodegenerative Disorder
11%
enkephalin[2,5 Dextro Penicillamine]
11%
μ-Opioid Receptor
11%
Midbrain
11%
Amyloid
11%
Hippocampus
10%
Protein Expression
10%
Tight Junction Protein
10%
Ileum
10%
Neuropeptide
10%
Capsaicin
10%
Κ-opioid receptor
9%
ABC Transporter Subfamily B
9%
Occludin
9%
Enkephalin Derivative
9%
Internalization
9%
Anterior Cingulate Cortex
8%
Cognitive Disorders
8%
Cholecystokinin
8%
Calcium Channel
8%
Iodine-125
8%
Brain-Derived Neurotrophic Factor
8%
Oxidative Stress
8%
Neurotrauma
8%
Traumatic Brain Injury
8%
Brainstem
8%
Dynorphin A
8%
Muscarinic M1 Receptor
8%
Muscarinic M2 Receptor
8%
Social Defeat
8%
Cannabinoid 1 Receptor
8%
Cell Signaling
8%
Amygdala
7%
Microglia
7%
Periaqueductal Gray
7%
Spreading Cortical Depression
7%
Phencyclidine
7%
Carrageenan
7%
Adrenergic Receptor
7%
Medication Overuse
7%
Receptor Expression
7%
Conditioned Place Preference
7%
Radioligand
7%
Nerve Growth Factor
7%
3-Quinuclidinyl Benzilate
7%
Epileptic Absence
7%
Prefrontal Cortex
6%
Peripheral Nerve
6%
Pharmacology, Toxicology and Pharmaceutical Science
Opiate Receptor
100%
Opiate
96%
Mouse
83%
Receptor
79%
Morphine
55%
Enkephalin
45%
Neuropathic Pain
44%
Blood-Brain Barrier
41%
Opiate Agonist
41%
Analgesic Agent
36%
Chronic Pain
34%
Antinociception
33%
Disease
30%
Malignant Neoplasm
30%
Delta Opiate Receptor
28%
Cancer Pain
25%
Alzheimer's Disease
23%
Muscarinic Receptor
22%
Bone Cancer
22%
Dynorphin A
22%
Intrathecal
21%
Opiate Peptide
21%
Receptor Subtype
19%
Side Effect
19%
Neoplasm
19%
Endorphin
19%
Structure Activity Relationship
18%
Enkephalin Derivative
17%
Biphalin
16%
Guinea Pig
14%
Dynorphin
14%
Erethism
14%
enkephalin[2,5 Dextro Penicillamine]
14%
Inflammatory Pain
14%
Biological Activity
13%
Mouse Model
13%
Bone Pain
13%
Neurokinin 1 Receptor Antagonist
13%
μ-Opioid Receptor
13%
Deltorphin
13%
Amino Acid
12%
Pain
12%
Allodynia
12%
IC50
12%
Opioid Antagonist
12%
Binding Site
12%
Injury
11%
Ileum
11%
Nerve Injury
11%
Naltrindole
11%
Degenerative Disease
11%
Pirenzepine
11%
Clinical Trial
10%
Pharmacokinetics
10%
Glucocorticoid
10%
Transcription Factor Nrf2
9%
Nerve Growth Factor
9%
Migraine
9%
Hyperalgesia
9%
Brain Ischemia
9%
Proteinase Activated Receptor 2
9%
Collapsin Response Mediator Protein 2
9%
Polypeptide
9%
Pathophysiology
9%
Naloxone
9%
Kappa Opiate Receptor
8%
Bradykinin Receptor
8%
Central Nervous System Drug
8%
Inflammation
8%
Delta Opiate Receptor Agonist
8%
Calcitonin Gene Related Peptide
8%
Angiotensin
8%
Calcium Ion
8%
Drug Discovery
7%
Hydrogen Peroxide
7%
Arginine
7%
Chinese Hamster
7%
Narcotic Agent
7%
Mu Opiate Receptor Agonist
7%
Drug Development
7%
Intermedin
7%
Pharmacotherapy
7%
Adenylate Cyclase
7%
Adrenergic Receptor
6%
Carbachol
6%
Capsaicin
6%
Nitrendipine
6%
Quinuclidinyl Benzilate
6%
Bioavailability
6%
Tumor Growth
6%
Hydroxymethylglutaryl Coenzyme A Reductase Inhibitor
6%
Breast Cancer
6%
Melanocortin Receptor
6%
Adverse Event
6%
Guanine Nucleotide Binding Protein
6%
Infection
6%
Combination Therapy
6%
Neurologic Disease
5%
Cholecystokinin
5%
Cannabinoid 2 Receptor
5%
Keyphrases
Opioid Receptors
55%
Enkephalin
39%
Antinociceptive
36%
Morphine
35%
Opioids
32%
Antinociception
27%
Blood-brain Barrier
25%
Neuropathic Pain
21%
Bone Cancer Pain
17%
Chronic Pain
15%
Rat Brain
15%
Alzheimer's Disease
15%
Spinal Cord
15%
Muscarinic Receptors
15%
Receptor Subtypes
14%
δ Opioid Receptor
14%
Binding Site
13%
Delta Receptor
13%
Opioid Antagonist
12%
Dynorphin A
12%
Dynorphin
12%
Biphalin
11%
Deltorphin
11%
Intrathecal
11%
Central Nervous System
10%
Mouse Model
10%
Supraspinal
10%
DPDPE
10%
High Affinity
10%
Structure-activity Relationship
10%
Opioid Agonist
10%
μ-opioid Receptor
10%
Naltrindole
9%
Analgesic
9%
Calcitonin Gene-related Peptide
9%
Spinal Nerve Ligation
9%
Inflammatory Pain
9%
Pirenzepine
9%
Opioid Peptides
9%
Substance P
8%
Kappa Opioid Receptor
8%
Muscarinic Cholinergic Receptor
8%
Pain States
8%
Blood-brain Barrier Permeability
8%
Binding Affinity
8%
Oxidative Stress
8%
Antisense Oligonucleotides
7%
Antinociceptive Tolerance
7%
Substance P Receptor
7%
Chronic Neuropathic Pain
7%
CRMP2
7%
Rostral Ventrolateral Medulla
6%
Linker
6%
Receptor-mediated
6%
Chinese Hamster Ovary Cells
6%
Hyperalgesia
6%
Sex Differences
6%
Aging
6%
Biological Activity
6%
Morphine Antinociception
6%
Adenylyl Cyclase
6%
Bradykinin Receptor
6%
Cancer Pain
6%
Inflammation
5%
Occludin
5%
Migraine
5%
Tumor
5%
Antagonism
5%
Pathophysiology
5%
Analgesia
5%
Ischemic Stroke
5%
Pain Behavior
5%
Bone Cancer
5%
Protein Expression
5%
Nerve Injury
5%
Tight Junction Proteins
5%
Neurotensin
5%
Nuclear Factor Erythroid 2-related Factor 2 (Nrf2)
5%
Neurodegenerative Diseases
5%
Hypoxia
5%
Highly Selective
5%
Enkephalin Analogues
5%
Immunoreactivity
5%
Antagonist Activity
5%