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Table 3 Small extracellular vesicle miRNA biomarkers in breast cancer diagnosis, prognosis and chemoresistance

From: Recent advances of small extracellular vesicle biomarkers in breast cancer diagnosis and prognosis

Biomarker

Source

Type of purpose

Expression

Feature

Technology

Reference

miR-122-5p

Plasma

Diagnosis

↑

N/A

RT-qPCR

[206]

Let-7b-5p

Plasma

Diagnosis

↓

N/A

RT-qPCR

[206]

miR-101 & miR-372

Serum

Diagnosis

↑

N/A

RT-qPCR

[207]

miR-188-5p

Serum

Diagnosis

↓

N/A

RT-qPCR

[208]

miR-1246

Plasma

Diagnosis

↑

Combination with miR-21 showing better diagnostic value

NGS-Illumina

[209]

miR-21

Plasma

Diagnosis

Prognosis

↑

High expression in later-stage BC

NGS-Illumina

[209,210,211]

miR-7641

Cells/plasma

Diagnosis

↑

Up-regulated in TNBC

Related to proliferation & migration

Microarray/RT-qPCR

[212]

miR-9

Cells

Diagnosis

↑

Up-regulated in TNBC

Related to metastasis

RT-qPCR

[213]

miR-155

Cells

Diagnosis

Chemoresistance

↑

Up-regulated in TNBC

Related to DOX and PTX resistance in BC

RT-qPCR

[213, 214]

miR-105

Cells/Mouse

Diagnosis

↑

Up-regulated in TNBC

Solex deep sequencing

[58]

miR-373

Cells/serum

Diagnosis

↑

Up-regulated in TNBC

Related to proliferation & migration

RT-qPCR

[207, 215]

miR-223-3p

Plasma

Diagnosis

↑

Related to invasive BC

RT-qPCR

[216]

miR- 338-3p, miR-340-5p & miR-124-3p

Serum

Prognosis

↑

Related to BC recurrence

miRNA PCR array

[217]

miR-29b-3p, miR-20b-5p, miR-17-5p, miR-130a-3p, miR-18a-5p, miR-195-5p, miR-486-5p & miR-93-5p

Serum

Prognosis

↓

Related to BC recurrence

miRNA PCR array

[217]

miR-16 & miR30b

Plasma

Prognosis

↑

Up-regulated in BC with recurrence

Microarray

[218]

miR-93

Plasma

Prognosis

↑

Up-regulated in DCIS

Microarray

[218]

miR-373 & miR-24–2-5p

Plasma

Prognosis

↑

Negatively correlated with survival

NGS-Illumina

[219]

miR-548b-5p, miR-655-3P & miR-376b-5p

Plasma

Prognosis

↓

Positively correlated with survival

NGS-Illumina

[219]

miR-421, miR-128–1 &miR-128–2

Serum

Prognosis

↑

GI-derived three sEV miRNA signature

Related to poor prognosis

NGS-Illumina

[202]

miR-100, miR-222, miR-30a & miR-17

Cells

Chemoresistance

↑

Related to DTX resistance in BC

Microarray

[220]

miR-221/222

Cells

Chemoresistance

↑

Related to tamoxifen resistance in BC

RT-qPCR

[221]

let-7a, let-7b, let-7c, miR-103a, miR-16, miR-23a, miR-23b, miR-27a & miR-30a

Cells

Chemoresistance

↑

Related to DTX resistance in BC

Microarray

[222]

miR-130a, miR-20b, miR-25, miR-425, miR-455-3p, miR-4725-5p, miR-551, miR-92

Cells

Chemoresistance

↓

Related to DTX resistance in BC

Microarray

[222]

miR-9-5p, miR-195-5p & miR-203a-3p

Cells

Chemoresistance

↑

Related to DOX and DTX resistance in BC

NGS-Illumina

[223]

miR-378a-3p, miR-378d

Cells

Chemoresistance

↑

Related to DOX and PTX resistance in BC

RT-qPCR

[224]

  1. Abbreviations: BC Breast cancer, DCIS Ductal carcinoma in situ, DOX Doxorubicin, DTX Docetaxel, GI Genomic instability, NGS Next-generation sequencing, N/A Not applicable, PTX Paclitaxel, RT-qPCR Reverse transcriptase-quantitative polymerase chain reaction, TNBC Triple- negative breast cancer