Skip to main content

Table 4 Summary of SENAs associated with disease activity and severity of multiple sclerosis in human patients

From: Brain alarm by self-extracellular nucleic acids: from neuroinflammation to neurodegeneration

SENA

Study population

Sample type

RNA/DNA name

Findings

References

miRNA

20 HC

151 MS

CSF

miR-142-3p

Upregulated in MS patients

Expression positively correlated with disease progression

[73]

30 HC

30 MS

PBMC

miR-193a

Downregulated in MS patients

Expression inversely correlated with disability level and disease severity

[326]

32 HC

15 CIS

61 RRMS

Whole blood

miR-146a, miR-155

Upregulated in RRMS compared to HC and CIS

Expression positively correlated with disability level

[331]

30 HC

15 RRMS

11 SPMS

4 PPMS

Serum

miR-146a, miR-155

Upregulated in RRMS and SPMS compared to HC

Expression positively correlated with disability level

[337]

21 HC

24 RRMS

Plasma

miR-125a-5p

Upregulated in RRMS compared to HC

Increased in RRMS patients with a higher disability level

[130]

10 HC

25 RRMS

Blood CD8+ T cells

miR-146a-5p

Downregulated in RRMS compared to HC

Increased in RRMS patients with a higher disability level

[97]

miR-155

Downregulated in RRMS compared to HC

Expression positively correlated with disability level and duration of disease

20 HC

25 CIS

117 RRMS

24 PMS

CSF

let-7b-5p

Upregulated in RRMS compared to PMS

Expression inversely correlated with central and peripheral inflammation in non-PMS (CIS + RRMS)

Positively correlated with cognitive performance in non-PMS

Negatively correlated with disability level in PMS

[252]

15 HC

15 RRMS (relapse)

16 RRMS (remission)

16 PPMS

15 SPMS

Serum

miR-572

Downregulated in the overall group of MS patients compared to HC

Downregulated in PPMS and RRMS (remission) compared to HC

Higher in SPMS compared to PPMS

Higher in RRMS (relapse) compared to RRMS (relapse)

Expression positively correlated with disability level in the overall group of MS patients

[250]

28 CIS-CIS

30 CIS-RRMS

CSF

miRNA-181c

Expression level positively correlates with probability of conversion to RRMS after 1 year

[5]

42 HC

25 RRMS (relapse)

18 RRMS (remission)

Peripheral blood leukocytes

miR-326

Upregulated in relapsing phase of MS patients compared to HC and patients in remitting phase

Enhanced expression in the CD4+ T cell population but not in the CD8+ T cell or non–T cell populations of patients with relapsing MS

[91]

20 HC

20 RRMS (relapse)

20 RRMS (remission)

Peripheral blood lymphocytes

miR-326, miR-26a

Upregulated in relapsing phase of MS patients compared to HC and patients in remitting phase

[157]

32 HC

50 RRMS

51 SPMS

Plasma

miR-92a-1

Differently expressed in RRMS versus SPMS, and RRMS versus HC

Expression associated with disability level and disease duration

[125]

lncRNA

30 HC

30 CIS

30 RRMS (relapse)

30 RRMS (remission)

30 SPMS

Serum

RUNXOR

Downregulated in all MS patients in comparison with HC

Within the MS patients’ groups, the downregulation increased with the progression of the disease, with the lowest value observed in the SPMS patients and the highest value in CIS patients

In RRMS patients, relapse was associated with lower expression than remission

[148]

30 HC

30 RRMS (relapse)

30 RRMS (remission)

PBMC

HOTAIR, THRIL, H19

Upregulated in relapsing phase of MS patients compared to HC and patients in remitting phase

Expression positively correlated with increased levels of TNF-α and MMP9

[348]

NKILA

Downregulated in relapsing phase of patients compared to patients in remitting phase and HC

Expression negatively correlated with the level of TNF-α

ANRIL

Upregulated both in relapsing and remitting phases of MS patients compared to HC

Expression higher in patients in remitting phase than those in relapsing phase

Expression positively correlated with increased level of IL-6

10 HC

20 RRMS

Whole blood

MEG3a

Downregulated in MS patients

Expression negatively correlated with disability level

[271]

43 RRMS (mild)

21 RRMS (severe)

Whole blood

ENSG00000260302,

ENSG00000270972, ENSG00000272512, ENSG00000223387

Differentially expressed between mild and severe phenotype MS

[140]

50 HC

100 MS

Serum

MAGI2-AS3

Downregulated in MS patients

Expression inversely correlated with disability level

[194]

104 HC

108 MS

Serum

GAS5

Upregulated in MS patients

Expression positively correlated with disability level

[336]

circRNA

27 HC

18 RRMS (relapse)

27 RRMS (remission)

PBMC

circRNA_101145, circRNA_001896

Downregulated in remitting phase of patients compared to patients in relapsing phase and HC

Expression positively correlated with disability level

[274]

27 HC

19 RRMS (relapse)

28 RRMS (remission)

PBMC

circRNA_101348, circRNA_104361

Upregulated in relapsing phase of patients compared to patients in remitting phase and HC

Expression positively correlated with gadolinium enhancement on brain MRI

[488]

cfDNA

64 HC

60 RRMS

Whole blood

mtDNA

Copy number reduced in RRMS patients

Copy number inversely correlated with disease duration

[6]

23 HC

21 MS

CSF

mtDNA

Copy number increased in MS patients

Copy number negatively correlated with disease duration

[380]

23 NINDC

50 RRMS

13 PPMS

27 SPMS

CSF

mtDNA

Copy number increased in PPMS and SPMS compared to NINDC

Copy number positively correlated with disability level, T2 lesion volume and brain atrophy

[209]

  1. ANRIL: Antisense non-coding RNA in the INK4 locus; cfDNA: cell-free DNA; circRNA: circular RNA; CIS: clinically isolated syndrome; CSF: cerebrospinal fluid; GAS5: growth arrest-specific 5; H19: H19 imprinted maternally expressed transcript; HC: healthy control; HOTAIR: Hox antisense intergenic RNA; lncRNA: long non-coding RNA; MEG3a: maternally expressed gene 3a; miRNA: microRNA; MRI: magnetic resonance imaging; MS: multiple sclerosis; mtDNA: mitochondrial DNA; NINDC: non-inflammatory neurologic disease controls; NKILA: NF-κB interacting lncRNA; PBMC: peripheral blood mononuclear cells; PMS: progressive MS; PPMS: primary-progressive MS; RRMS: relapsing–remitting MS; RUNXOR: RUNX1 overlapping RNA; SENA: self-extracellular nucleic acid; SPMS: secondary-progressive MS; THRIL: TNF-α and heterogenous nuclear ribonucleoprotein L related immunoregulatory lincRNA