Implications of Long Non-Coding RNAs in Age-Altered Proteostasis
Catana Cristina-Sorina, Crișan Catalina-Angela, Opre Dana, Berindan-Neagoe Ioana
Table 1 lncRNAs in proteostasis.
lncRNAARDsFunction in proteostasisTarget geneThe cellular and molecular
effects of the lncRNA
Ref.
LncRNA-MALAT1-highly expressed in cancer; Diabetic nephropathy;
-atherosclerosis; - neurodegenerative processes

Protein turnover Scaffolding Autophagy
-HMGB1; β-catenin;
- B-MYB; - PDGF-BB - ATG7 (miR142-3p)
-Inhibition of Tumor Cell Apoptosis;
- kidney fibrosis; restored podocytes function; - Phenotypic switching of VSMCs

[34], [77], [81], [82]
LincRNA-p21-skin cancer
-colorectal cancer -prostate cancer

Protein turnover
p53;
HIF-1α β-catenin Jun B mRNA
cell cycle arrest; apoptosis in keratinocytes; represses translation of cancer proteins[7], [37], [54], [83], [84]
LncRNA CND1/cyclin D1- many cancer types;
- BCL2; -breast cancer
-Protein turnover- TLS
-cyclin D1
- cell cycle regulator in cancer
-benefits in breast cancer therapy
[38], [39]
LncRNA-HOTAIR-breast, gastric, and colorectal tumors;
- nasopharyngeal cancer
-Protein turnover;
- Scaffold function
-PRC2
- Snurportin-1; Ataxin-1
•cell proliferation, invasion, aggression, and metastasis; inhibition of apoptosis
• prevents cellular senescence
[31], [29], [42], [45]
Lnc AS Uchl1-neurodegenerative diseases;
-cancer; -auditory cortex senescence
Protein turnover-MDM2;
-UPS-related proteins: p53, p14; ARF, p27KIPI, ubiquitinated proteins, monoubiquitin, BE1, PSMA7
- intensifies translation of UCHL1, which plays an important role in the UPS system[49], [50], [51]
LncRNA GAS5
-gastric carcinoma -prostate cancer
-Protein turnover;
-Membrane trafficking
YBX1;
E2F1; P27Kip1
-Inhibits cellular proliferation
- a growth arrest lncRNA
[52], [85]
Lnc RNA PANDA-senescence.Membrane traffickingFAS; BIK; p53inhibits DNA-damage-induced apoptosis[86]
Lnc ANRASSF1-breast, osteosarcoma, colorectal, liver, bladder, renal cell carcinoma-Membrane trafficking;
-Scaffold function
PRC2Control of proliferation, metabolism, apoptosis and senescence; histone modifications[36], [87]
LncRNA
Gadd7
- is expressed in response to oxidative stressMembrane traffickingTDP-43, modulates Cdk6 levelscontrolling cell-cycle progression[88]
LncRNA
7SL
-widely upregulated in cancer tissues-Autophagy
-Protein trafficking
p53;
HuR
cellular senescence[70], [36]

Lnc RNA DICER1
-ovarian cancer;
- tongue squamous cell carcinoma
AutophagymiR-675-A key synthesis-related factor of miRNA related to tumor cell activities;
- cellular proliferative and invasive capacities
[89]
LncRNA HULC- tumor chemoresistance;
-hepatocellular carcinoma
Autophagy-COX-2
USP22/COX-2" axis; - Sirt1
Increase triglyceride and cholesterol levels in hepatoma cell[64]
Lnc MEG3-colorectal cancer
- Huntington’s disease
Autophagy
Growth arrest
MDM2;
p53
-blocks apoptosis[20]
LincRNA H19-breast cancer;
-human tumor growth; - Gastric Carcinogenesis
Scaffold function-E2F1, PRC2, HuR, KSRP-suppression of RBmRNA via miR675;
-DNA methylation; cell division cycle
[102], [103], [104]
LncRNA PRNCR1-prostate cancer
-CRC
Scaffold function- AR- regulation of AR-dependent gene activation events-[74], [90]
LncRNA PCGEM1-prostate cancerScaffold function- AR-tumor type-specific super-enhancer[74], [90]
LncTERC-premature neural aging in terc KO miceScaffold functionTRF1, TRF2- Promotion of telomere extension
-controlling the survival of NSCs - prevention of premature senescence and aging
[2], [30], [91]
Lnc TERRA-neural agingScaffold functionTRF1, TRF2-Suppression of telomere extension
-survival of NSCs
[2], [30]
Lnc ANRIL-upregulated in prostate cancer;
- myocardial infarction - hyper-cholesterolemia
-Protein turnover;
-Scaffold function
-CBX7
- let-7a/TGF-β1/Smad signaling pathway
-proliferation and migration of prostate cancer cells
- antisenescence function -histone modification
[41]