Review Article

Immunomodulatory Effects Mediated by Serotonin

Table 3

Pathology-associated serotonergic protein expression in immune cells.

Patology/condition 5-HT, SERT and 5HTR variationReference

Major depression disorder
Human
↓ SERT in platelets
↓ 5-HT serum levels
↓ SERT in lymphocytes
Mössner et al., 2007 [63]
Fazzino et al., 2008 [64]
Lima and Urbina, 2002 [52]
Peña et al., 2005 [65]

Fibromyalgia
Human
↓ 5-HT serum levels
↓ SERT platelets
Bazzichi et al., 2006 [66]

Schizophrenia
Human
↑ 5HT2A (polymorphism T102C) in lymphocytes
↑ 5HT3A (gene) in PMBC
↓ SERT (re-uptake) in lymphocytes
Williams et al., 1997 [67]
Abdolmaleky et al., 2004 [68]
Shariati et al., 2009 [69]
Marazziti et al., 2006 [70]

Asthma
Human
↑ 5-HT plasma levelsLechin et al., 1998 [71]

Alzheimer disease
Human
↑ 5HT2C in NK cells
↓ 5-HT serum levels
Martins et al., 2012 [72]

Psoriasis
Human
↑ SERT of skin biopsies, dendritic cellsThorslund et al., 2013 [59]

Alcohol exposition 0.1% 24 h
Culture, dendritic cells
↑ SERT in dendritic cells
↓ 5-HT extracellular levels
Babu et al., 2009 [73]

Arthritis
Cell culture
↑ 5HT2A mRNA in macrophage-like synovial cells
↑ 5HT3 mRNA in macrophage-like synovial cells
Seidel et al., 2008 [74]

Mitogen activation with concanavalin
Rat lymphocyte
↑ 5HT7 mRNAUrbina et al., 2014 [75]