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Table 2 Immunomodulatory effects of tetracyclines in preclinical and clinical models of sepsis

From: Immunomodulation by Tetracyclines in the Critically Ill: An Emerging Treatment Option?

Author

Year

Tetracycline

Model

Stimulants or pathogens

Immune response

Colaço et al. [6]

2021

Doxycyline

Mouse

E. coli, H1N1 influenza virus, C. albicans, Plasmodium berghei

Liver, lung, kidney injury ↓, mitochondrial protein synthesis ↓; FAO, steroid sensitivity, survival ↑

Patel et al. [7]

2020

Doxycycline

Mouse

Cecal ligation and puncture

TNF-α, IL-1ß, IL-6, MPO ↓, survival ↑

Sun et al. [35]

2020

Minocycline

Human THP-1 monocytes

LPS

TNF-α, IL-8, MIP-1α, MIP-1ß ↓, modulated NF-κB-, p38-, ERK1/2-pathways

Sun et al. [34]

2015

Minocycline, tigecycline, doxycycline

Human THP-1 monocytes

LPS

Autophagy ↑ by inhibiting mTOR; TNF-α, IL-8 ↓

Nukarinen et al. [48]

2015

Doxycycline

RCT

Severe sepsis or septic shock

MMP-8, -9, TIMP-1 ⇔

Fredeking et al. [47]

2015

Doxycycline

RCT

Dengue virus

IL-6, TNF-α, mortality ↓

Bode et al. [45]

2014

Doxycycline

Human THP-1 monocytes, PBMCs (ex vivo)

LPS, E. coli

Phagocytosis, IL-1ß, IL-6 ↓, TLR-1, TLR-4, TLR-6 ↓

Tai et al. [41]

2013

Minocycline

Human THP-1 monocytes

LPS

TNF-α, IL-6, IFN-γ, IL-8, IP-10, MCP-1, MIP-1α, MIP-1ß, RANTES, eotaxin ↓, IKKα/β phosphorylation inhibited

Pang et al. [33]

2012

Minocycline

Human monocytes (ex vivo)

LPS

TNF-α, IL-1ß, IL-6, COX-2, PGE2 ↓, LOX-1, NF-κB, LITAF, Nur77, PI3K/ Akt-, p38-MAPK pathway ↓

Castro et al. [46]

2011

Tetracycline, doxycycline

RCT

Dengue virus

IL-6, IL-1ß, TNF-α↓, IL-1ra ↑, TNF-R1 ⇔

Maitra et al. [40]

2005

CMT-3

Rat

Cecal ligation and puncture

Liver injury, MMP-9, MMP-2, TGF-ß1, caspase-3 ↓, survival ↑

Maitra et al. [38]

2004

CMT-3

Rat

Cecal ligation and puncture

TNF-α↓, p38-, p42/44–MAPK activation inhibited, survival ↑

Maitra et al. [39]

2003

CMT-3

Rat

Cecal ligation and puncture

Liver injury, NO, MMP-9 ↓, survival ↑

D’Agostino et al. [44]

2001

CMTs,

Murine J774 macrophages

LPS

TNF-α, IL-10 ⇔, iNOS, nitrite, NO, IL-12↓, cytotoxity ↑

Patel et al.

1999

CMTs, minocycline

Murine RAW264.7 cells, human A549 cells

LPS

PGE2, nitrite↓(CMT-3)

D’Agostino et al. [36]

1998

Doxycycline

Mouse, murine macrophages

LPS

NO↓, survival ↑

Amin et al. [43]

1997

CMTs, doxycycline

Murine macrophages

LPS

iNOS mRNA accumulation and protein expression ↓

Milano et al. [37]

1997

Tetracycline

Mouse, murine macrophages

LPS

TNF-α, IL-1α, nitrate, iNOS activity ↓, macrophages: NO ↓, TNF-α, IL-1α⇔, survival ↑

  1. ↑significant increase, ↓ significant decrease, ⇔ no significant difference, C. albicans Candida albicans, CMT-3 chemically modified tetracycline 3, COX-2 cyclooxygenase 2, E. coli Escherichia coli, ERK extracellular-signal regulated kinases, FAO fatty acid oxidation, IFN interferon, IKK inhibitor of nuclear factor kappa B kinase, IL interleukin, IL-1ra interleukin-1 receptor antagonist, iNOS inducible nitric oxide synthase, IP-10 interferon gamma induced protein 10, LITAF lipopoly- saccharide induced TNF factor, LPS lipopolysaccharide, LOX-1 lectin-like oxidized low density lipoprotein receptor-1, MMP metalloproteinase, MAPK mitogen-activated protein kinase, MCP monocyte chemoattractant protein, MIP macrophage inflammatory protein, MPO myeloperoxidase, mTOR mammalian target of rapamycin, NF-κB nuclear factor kappa-light-chain-enhancer of activated B-cells, NO nitric oxide, PBMCs peripheral blood mononuclear cells, PGE2 prostaglandin E2, PI3k phosphatidylinositol-3-kinase, RANTES regulated upon activation, normal T cell expressed and presumably secreted, RCT randomized controlled trial, TGF-ß1 transforming growth factor beta 1, TIMP-1 tissue inhibitor of metalloproteinase-1, TLR toll-like receptor, TNF-α tumor necrosis factor alpha, TNF-R1 tumor necrosis factor receptor 1