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Table 2 Downstream targets of the microRNAs analyzed in tumor and non-tumor lungs of the study patients

From: Profile of epigenetic mechanisms in lung tumors of patients with underlying chronic respiratory conditions

MicroRNAs

Downstream targets

LC patients

LC-COPD patients

Non-tumor

Tumor

Non-tumor

Tumor

miR-21

 

PTEN, gene expression

78.5 (59.3)

115.6 (89.7)

82.4 (70.2)

0.26 (0.60)*, §§§

MARCKs, gene expression

0.4 (0.2)

0.5 (0.2)

0.5 (0.5)

0.2 (0.1)*, §

TPM-1, gene expression

2.8 (2.1)

11.0 (10.4)**

5.8 (4.9)

1.8 (1.5)§§

PDCD4, gene expression

5.4 (3.4)

5.2 (4.4)

4.0 (2.5)

1.4 (1.0)§

SPRY-2, gene expression

6.0 (3.3)

8.4 (7.1)

3.4 (1.9)

1.2 (1.0)§§§

miR-200b

 

ETS-1, gene expression

4.6 (3.7)

3.3 (2.5)

2.8 (2.5)

0.6 (0.3)§

ZEB-2, gene expression

2.3 (1.3)

3.5 (2.7)

0.7 (0.2)#

0.4 (0.3)§§§

miR-126

 

EGFL-7, gene expression

4.0 (2.0)

5.0 (3.0)

5.0 (5.0)

1 (0.7)

TOM-1, gene expression

0.6 (0.3)

2.2 (1.1)***

1.3 (1.0)

0.8 (0.6)§§§

CRK, gene expression

8.6 (7.1)

21.3 (19.7)*

6.6 (5.8)

3.7 (3.5)§§§

Ang-2, protein content

0.3 (0.1)

0.3 (0.2)

0.3 (0.07)

0.5 (0.2)*, §

Fibulin-3, protein content

0.6 (0.2)

0.6 (0.3)

0.5 (0.2)

0.4 (0.2)

Fibulin-2, protein content

0.04 (0.03)

0.1 (0.04)*

0.04 (0.02)

0.04 (0.03)

Fibulin-5, protein content

0.3 (0.1)

0.4 (0.1)

0.5 (0.1)#

0.5 (0.1)

miR-451

 

MIF, gene expression

0.6 (0.8)

2.5 (2.1) **

1.3 (1.1)

0.3 (0.2) §§§

RAB-14, gene expression

6.3 (5.1)

4.1 (1.9)

1.5 (1.3) ##

2.4 (2.1)

miR-210

 

FGFRL-1, gene expression

2.5 (1.8)

3.2 (2.0)

4.1 (2.3)

1.3 (1.0)***, §

EFNA-3, gene expression

0.3 (0.2)

1.0 (0.9)*

0.2 (0.1)

0.1 (0.08)§§

P-62, protein content

0.1 (0.04)

0.3 (0.1)*

0.1 (0.02)

0.3 (0.1)*

LC3II/LC3II, protein content

0.1 (0.05)

0.4 (0.1)***

0.2 (0.1)

0.4 (0.1)*

Beclin-1, protein content

0.3 (0.09)

0.3 (0.05)

0.2 (0.1)

0.3 (0.1)

BAX, protein content

0.2 (0.06)

0.3 (0.2)

0.2 (0.1)

0.3 (0.2)

BCL-2, protein content

0.04 (0.02)

0.2 (0.1)***

0.1 (0.04)

0.2 (0.05)**

miR-30a-30p

     
 

SNAIL-1, gene expression

2.3 (1.4)

3.4 (2.8)

2.8 (1.7)

0.6 (0.4)*, §§§

P53, gene expression

0.4 (0.3)

0.7 (0.5)

0.5 (0.3)

0.3 (0.2)§

CDKN2A, gene expression

4.7 (3.9)

1.9 (1.8)*

9.8 (7.8)#

19.4 (16.5)§§§

P63, gene expression

0.1 (0.08)

0.1 (0.05)

0.8 (0.5)###

0.4 (0.3)*

CDKN1A, gene expression

11.8 (10.4)

5.7 (3.5)*

13.5 (7.7)

6.4 (4.8)**

Ki-67 positive cells, %

42.6 (19.0)

96.5 (3.0)***

42.6 (19.0)

96.2 (4.7)***

miR-let7c

 

k-RAS, gene expression

3.0 (2.0)

2.2 (1.0)

2.7 (2.1)

1.1 (0.5)*, §

  1. Variables are represented as mean (standard deviation)
  2. Abbreviations: miR microRNA, rel.expresion relative expression, prot.content protein content, PTEN phosphatase and tensin homolog 10, MARCKS myristoylated alanine-rich protein kinase C substrate, TPM1 tropomyosin 1 (alpha), PDCD4 programmed cell death 4, SPRY2 sprouty homolog 2, ETS1 v-ets avian erythroblastosis virus E26 oncogene homolog 1, ZEB2 zinc finger E-box binding homeobox 2, EGFL7 EGF-like-domain, multiple 7, TOM1 target of myb1, CRK v-crk avian sarcoma virus CT10 oncogene homolog 17, Ang-2 angiopoietin-2, MIF macrophage migration inhibitory factor, RAB14 member RAS oncogene family 14, FGFRL-1 fibroblast growth factor receptor-like 1, EFNA3 ephrin-A3, LC3 light chain 3, BAX bcl-2 associated X protein, BCL-2 B cell lymphoma-2, SNAIL-1 snail family zinc finger 1, P53 tumor protein p53, CDKN2A cyclin-dependent kinase inhibitor 2A, P63 protein p63, CDKN1A cyclin-dependent kinase inhibitor 1A, and k-RAS Kirsten rat sarcoma viral oncogene homolog 11
  3. §p < 0.05, §§p < 0.01, §§§p < 0.001 between tumor lungs of LC-COPD and tumor specimens of LC patients; *p < 0.05, **p < 0.01, ***p < 0.001 between tumor and non-tumor lungs in either LC or LC-COPD patients; #p < 0.05, ##p < 0.01, ###p < 0.001 between non-tumor specimens of LC-COPD and non-tumor lungs of LC patients. Absence of any statistical symbol means no differences between the study groups