ArticleMolecular neurobiology2016
Indoleamine-2,3-Dioxygenase/Kynurenine Pathway as a Potential Pharmacological Target to Treat Depression Associated with Diabetes.
Article in Molecular neurobiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 88 citations in OpenAlex.
- Molecular Signaling Pathways in Depression and Neuroinflammation: Focus on New Pathophysiological Proteins and Therapeutic Compounds.Antioxidants (Basel, Switzerland) · 2026Review
- Acod1/itaconate axis controls anxiety-like behaviors induced by chronic infection of Toxoplasma gondii in mice.PLoS neglected tropical diseases · 2026Article
- Tryptophan metabolism: a critical bridge linking gut microbiota to depression.Frontiers in microbiology · 2026Review
- Crosstalk Among Gut Microbiota, Microbial Metabolites, and Inflammatory Cytokines: Current Understanding and Future Directions.Foods (Basel, Switzerland) · 2025Review
- TNF-α Inhibition Modulates CX3CR1, Pyroptosis-related Genes, and BDNF to Alleviate Anxiety-like Behavior in Type 2 Diabetic Rats.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025Article
- Beyond Diabetes: Semaglutide's Role in Modulating Mood Disorders through Neuroinflammation Pathways.Cellular and molecular neurobiology · 2025Article
- The Connection Between the Oral Microbiota and the Kynurenine Pathway: Insights into Oral and Certain Systemic Disorders.Current issues in molecular biology · 2024Review
- Therapeutic potential of thymoquinone and its nanoformulations in neuropsychological disorders: a comprehensive review on molecular mechanisms in preclinical studies.Naunyn-Schmiedeberg's archives of pharmacology · 2024Review
- 1-Methyltryptophan treatment ameliorates high-fat diet-induced depression in mice through reversing changes in perineuronal nets.Translational psychiatry · 2024Article
- Implications of Kynurenine Pathway Metabolism for the Immune System, Hypothalamic-Pituitary-Adrenal Axis, and Neurotransmission in Alcohol Use Disorder.International journal of molecular sciences · 2024Review
- The Protective Effects of L-Theanine against Epigallocatechin Gallate-Induced Acute Liver Injury in Mice.Foods (Basel, Switzerland) · 2024Article
- Novel Activity of Oral Hypoglycemic Agents Linked with Decreased Formation of Tryptophan Metabolite, Kynurenic Acid.Life (Basel, Switzerland) · 2024Article
- Associations between serum estradiol and IL-6/sIL-6R/sgp130 complex in female patients with major depressive disorder.BMC psychiatry · 2023Article
- Crosstalk between Exercise-Derived Endocannabinoidome and Kynurenines: Potential Target Therapies for Obesity and Depression Symptoms.Pharmaceuticals (Basel, Switzerland) · 2023Review
- Article
- Review
- Low-Dose IL-2 Attenuated Depression-like Behaviors and Pathological Changes through Restoring the Balances between IL-6 and TGF-β and between Th17 and Treg in a Chronic Stress-Induced Mouse Model of Depression.International journal of molecular sciences · 2022Article
- A single injection of pregabalin induces short- and long-term beneficial effects on fear memory and anxiety-like behavior in rats with experimental type-1 diabetes mellitus.Metabolic brain disease · 2022Article
- Cannabidiol induces antidepressant and anxiolytic-like effects in experimental type-1 diabetic animals by multiple sites of action.Metabolic brain disease · 2021Article
- Article
Corrections and comments
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Authors and funding
12 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Diabetes is a chronic disease associated with depression whose pathophysiological mechanisms that associate these conditions are not fully elucidated. However, the activation of the indoleamine-2,3-dioxygenase (IDO), an enzyme that participate of the tryptophan metabolism leading to a decrease of serotonin (5-HT) levels and whose expression is associated with an immune system activation, has been proposed as a common mechanism that links depression and diabetes. To test this hypothesis, diabetic (DBT) and normoglycemic (NGL) groups had the cytokines (TNFα, IL-1β, and IL-6) and 5-HT and norepinephrine (NE) levels in the hippocampus (HIP) evaluated. Moreover, the effect of the selective serotonin reuptake inhibitor fluoxetine (FLX), IDO direct inhibitor 1-methyl-tryptophan (1-MT), anti-inflammatory and IDO indirect inhibitor minocycline (MINO), or non-selective cyclooxygenase inhibitor ibuprofen (IBU) was evaluated in DBT rats submitted to the modified forced swimming test (MFST). After the behavioral test, the HIP was obtained for IDO expression by Western blotting analysis. DBT rats exhibited a significant increase in HIP levels of TNFα, IL-1β, and IL-6 and a decrease in HIP 5-HT and NA levels. They also presented a depressive-like behavior which was reverted by all employed treatments. Interestingly, treatment with MINO, IBU, or FLX but not with 1-MT reduced the increased IDO expression in the HIP from DBT animals. Taken together, our data support our hypothesis that neuroinflammation in the HIP followed by IDO activation with a consequent decrease in the 5-HT levels can be a possible pathophysiological mechanism that links depression to diabetes.
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