Table 3 The expressions and functions of TLRs in various tumors.

From: Interactions between tumor-derived proteins and Toll-like receptors

Tumor type

TLR type

Function

Reference

Ovarian cancer

TLR 2–5, 9

Immunosuppression

Tumor growth

Increased migration

Resistance to chemotherapy

6,150,151,152

Cervical cancer

TLR 3–5, 7, 9

Tumorigenesis

Tumor growth

Resistance to chemotherapy

152,153,154,155

Lung cancer

TLR 2–4, 9

Prolong cancer cell survival

Immune escape

Apoptosis resistance

Tumor metastasis

104,156,157

Colorectal cancer

TLR 2–5, 9

Tumorigenesis

Antitumor activity

Cancer proliferation

Angiogenesis

Inhibit tumor necrosis

158,159,160,161,162

Melanoma

TLR 2–4

Tumor migration

Tumor progression

Prolong cancer cell survival

163,164

Breast cancer

TLR 2–4, 9

Tumor invasion

105,165

Brain cancer

TLR 2, 4

Tumor progression

Tumor metastasis

166,167

Prostate cancer

TLR 4, 9

Tumor invasion

Carcinogenesis

168,169

Gastric cancer

TLR 2, 4, 5, 9

Tumor growth, invasion, and metastasis

Angiogenesis

Attenuate antitumor activity

170,171,172