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Aizawa, E., Tsuji, H., Asahara, T., Takahashi, T., Teraishi, T., Yoshida, S., Ota, M., Koga, N., Hattori, K. and Kunugi, H. (2016) Possible Association of Bifidobacterium and Lactobacillus in the Gut Microbiota of Patients with Major Depressive Disorder. Journal of Affective Disorders, 202, 254-257.
https://doi.org/10.1016/j.jad.2016.05.038

has been cited by the following article:

• TITLE: Comparison of Plasma Levels of Tryptophan Metabolites between Healthy People and Patients of Bipolar Depression at Various Age and Gender

  AUTHORS: Hiroi Tomioka, Junichi Masuda, Akikazu Takada, Akira Iwanami

  KEYWORDS: Depression, Monopolar Depression, Bipolar Depression, Tryptophan, Serotonin, 5-Hydroxyindole Acetic Acid, Kynurenine, SSRI (Selective Serotonin Reuptake Inhibitor), SNRI (Serotonin Norepinephrine Reuptake Inhibitor), Anxiolytic, Antipsychotic

  JOURNAL NAME: Journal of Biomedical Science and Engineering, Vol.13 No.6, June 23, 2020

  ABSTRACT: Background: It is not well analyzed whether there are differences in plasma levels of tryptophan (TRP) metabolites between healthy control people (HC) and patients of type II bipolar depression (BDII). Methods: Ultra high-speed liquid chromatography/mass spectrometry has been used for the simultaneous determination of plasma levels of tryptophan metabolites in depressive patients. Results: Plasma levels of TRP are not different between HC and patients of BDII. Serotonin (5-HT) levels are higher in BDII than HC. Plasma levels of 5-HIAA of HC are higher than those of old women of BDII, but lower in young women of BDII. Plasma levels of kynurenine (KYN) of HC are not different from those of patients of BDII. Conclusion: Plasma levels of 5-HT are higher in patients of BDII than those of HC, which may suggest that use of drugs inhibiting the 5-HT transportation and lower transporter biding may increase plasma levels of 5-HT in patients of BD.