1
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Yu X, Tian J, Wang Y, Su N, Luo J, Duan M, Shi N. The pseudogene GBP1P1 suppresses influenza A virus replication by acting as a protein decoy for DHX9. J Virol 2024; 98:e0073824. [PMID: 38940585 PMCID: PMC11264600 DOI: 10.1128/jvi.00738-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/05/2024] [Indexed: 06/29/2024] Open
Abstract
Recently, substantial evidence has demonstrated that pseudogene-derived long noncoding RNAs (lncRNAs) as regulatory RNAs have been implicated in basic physiological processes and disease development through multiple modes of functional interaction with DNA, RNA, and proteins. Here, we report an important role for GBP1P1, the pseudogene of guanylate-binding protein 1, in regulating influenza A virus (IAV) replication in A549 cells. GBP1P1 was dramatically upregulated after IAV infection, which is controlled by JAK/STAT signaling. Functionally, ectopic expression of GBP1P1 in A549 cells resulted in significant suppression of IAV replication. Conversely, silencing GBP1P1 facilitated IAV replication and virus production, suggesting that GBP1P1 is one of the interferon-inducible antiviral effectors. Mechanistically, GBP1P1 is localized in the cytoplasm and functions as a sponge to trap DHX9 (DExH-box helicase 9), which subsequently restricts IAV replication. Together, these studies demonstrate that GBP1P1 plays an important role in antagonizing IAV replication.IMPORTANCELong noncoding RNAs (lncRNAs) are extensively expressed in mammalian cells and play a crucial role as regulators in various biological processes. A growing body of evidence suggests that host-encoded lncRNAs are important regulators involved in host-virus interactions. Here, we define a novel function of GBP1P1 as a decoy to compete with viral mRNAs for DHX9 binding. We demonstrate that GBP1P1 induction by IAV is mediated by JAK/STAT activation. In addition, GBP1P1 has the ability to inhibit IAV replication. Importantly, we reveal that GBP1P1 acts as a decoy to bind and titrate DHX9 away from viral mRNAs, thereby attenuating virus production. This study provides new insight into the role of a previously uncharacterized GBP1P1, a pseudogene-derived lncRNA, in the host antiviral process and a further understanding of the complex GBP network.
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Affiliation(s)
- Xiaohang Yu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
| | - Jiaxin Tian
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Yihe Wang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
| | - Ning Su
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
| | - Jinna Luo
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
| | - Ming Duan
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
| | - Ning Shi
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, China
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Westemeier-Rice ES, Winters MT, Rawson TW, Martinez I. More than the SRY: The Non-Coding Landscape of the Y Chromosome and Its Importance in Human Disease. Noncoding RNA 2024; 10:21. [PMID: 38668379 PMCID: PMC11054740 DOI: 10.3390/ncrna10020021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/31/2024] [Accepted: 04/08/2024] [Indexed: 04/29/2024] Open
Abstract
Historically, the Y chromosome has presented challenges to classical methodology and philosophy of understanding the differences between males and females. A genetic unsolved puzzle, the Y chromosome was the last chromosome to be fully sequenced. With the advent of the Human Genome Project came a realization that the human genome is more than just genes encoding proteins, and an entire universe of RNA was discovered. This dark matter of biology and the black box surrounding the Y chromosome have collided over the last few years, as increasing numbers of non-coding RNAs have been identified across the length of the Y chromosome, many of which have played significant roles in disease. In this review, we will uncover what is known about the connections between the Y chromosome and the non-coding RNA universe that originates from it, particularly as it relates to long non-coding RNAs, microRNAs and circular RNAs.
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Affiliation(s)
- Emily S. Westemeier-Rice
- West Virginia University Cancer Institute, West Virginia University School of Medicine, Morgantown, WV 26506, USA;
| | - Michael T. Winters
- Department of Microbiology, Immunology and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26506, USA; (M.T.W.); (T.W.R.)
| | - Travis W. Rawson
- Department of Microbiology, Immunology and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26506, USA; (M.T.W.); (T.W.R.)
| | - Ivan Martinez
- West Virginia University Cancer Institute, West Virginia University School of Medicine, Morgantown, WV 26506, USA;
- Department of Microbiology, Immunology and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26506, USA; (M.T.W.); (T.W.R.)
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3
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Hou Y, Yang S, Zhao Z, Huang Y, Zhang Y, Ruan W, Duan X. Long Noncoding RNA lnc-TCEA1-3 Affects Osteoclastic Function by Regulating ATP6V1H. Crit Rev Eukaryot Gene Expr 2024; 34:15-26. [PMID: 37824389 DOI: 10.1615/critreveukaryotgeneexpr.2023048669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
H subunit of V-ATPase (ATP6V1H) is specifically expressed in osteoclasts and its deficiency lead to osteoporosis. Our group previously found four intronic SNPs of ATP6V1H related to reduced bone mineral density, but the mechanisms was not clear. In this study, we found that the above four SNPs were located at lncRNA lnc-TCEA1-3 by using bioinformatics analysis. We further detected the function of lnc-TCEA1-3 on regulating ATP6V1H and osteoclast function using Atp6v1h knockout mice, lentivirus transfection and qPCR analysis. Over expression of lnc-TCEA1-3 up regulated the expression of ATP6V1H in HEK293 cells, HOS cells and primarily cultured osteoclasts, and increased the number of primarily cultured osteoclasts. In addition, over expression of lnc-TCEA1-3 exerted distinct effect on two transcripts of ATP6V1H in HEK293, HOS and osteoclasts. This study will facilitate the in-depth analysis of the effects of ATP6V1H on bone diseases, and discover new therapeutic strategies.
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Affiliation(s)
- Yuzhuan Hou
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China; College of Stomatology, Ningxia Medical University, Yinchuan 750004, China
| | - Shaoqing Yang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Zanyan Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Yongqing Huang
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, China
| | - Yanli Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Wenyan Ruan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China; College of Stomatology, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaohong Duan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
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Murphy MR, Ramadei A, Doymaz A, Varriano S, Natelson D, Yu A, Aktas S, Mazzeo M, Mazzeo M, Zakusilo G, Kleiman F. Long non-coding RNA generated from CDKN1A gene by alternative polyadenylation regulates p21 expression during DNA damage response. Nucleic Acids Res 2023; 51:11911-11926. [PMID: 37870464 PMCID: PMC10681730 DOI: 10.1093/nar/gkad899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 09/21/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023] Open
Abstract
Alternative Polyadenylation (APA) is an emerging mechanism for dynamic changes in gene expression. Previously, we described widespread APA occurrence in introns during the DNA damage response (DDR). Here, we show that a DDR-activated APA event occurs in the first intron of CDKN1A, inducing an alternate last exon-containing lncRNA. We named this lncRNA SPUD (Selective Polyadenylation Upon DNA Damage). SPUD localizes to polysomes in the cytoplasm and is detectable as multiple isoforms in available high-throughput studies. SPUD has low abundance compared to the CDKN1A full-length isoform under non-stress conditions, and SPUD is induced in cancer and normal cells under a variety of DNA damaging conditions in part through p53. The RNA binding protein HuR binds to and promotes the stability of SPUD precursor RNA. SPUD induction increases p21 protein, but not mRNA levels, affecting p21 functions in cell-cycle, CDK2 expression and cell growth. Like CDKN1A full-length isoform, SPUD can bind two competitive p21 translational regulators, the inhibitor calreticulin and the activator CUGBP1; SPUD alters their association with CDKN1A full-length in a DDR-dependent manner, promoting CDKN1A translation. Together, these results show a new regulatory mechanism by which a lncRNA controls p21 expression post-transcriptionally, highlighting lncRNA relevance in DDR progression and cell-cycle.
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Affiliation(s)
- Michael R Murphy
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
- Biology Program, The Graduate Center, The City University of New York, New York, NY 10016, USA
| | - Anthony Ramadei
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
- Biology Program, The Graduate Center, The City University of New York, New York, NY 10016, USA
| | - Ahmet Doymaz
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - Sophia Varriano
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
- Biology Program, The Graduate Center, The City University of New York, New York, NY 10016, USA
| | - Devorah M Natelson
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
- Biology Program, The Graduate Center, The City University of New York, New York, NY 10016, USA
| | - Amy Yu
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - Sera Aktas
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - Marie Mazzeo
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - Michael Mazzeo
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - George Zakusilo
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
| | - Frida E Kleiman
- Chemistry Department, Hunter College, The City University of New York, New York, NY 10021, USA
- Biology Program, The Graduate Center, The City University of New York, New York, NY 10016, USA
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5
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Takakuwa H, Yamazaki T, Souquere S, Adachi S, Yoshino H, Fujiwara N, Yamamoto T, Natsume T, Nakagawa S, Pierron G, Hirose T. Shell protein composition specified by the lncRNA NEAT1 domains dictates the formation of paraspeckles as distinct membraneless organelles. Nat Cell Biol 2023; 25:1664-1675. [PMID: 37932453 DOI: 10.1038/s41556-023-01254-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 09/12/2023] [Indexed: 11/08/2023]
Abstract
Many membraneless organelles (MLOs) formed through phase separation play crucial roles in various cellular processes. Although these MLOs co-exist in cells, how they maintain their independence without coalescence or engulfment remains largely unknown. Here, we investigated the molecular mechanism by which paraspeckles with core-shell architecture scaffolded by NEAT1_2 long noncoding RNAs exist as distinct MLOs. We identified NEAT1 deletion mutants that assemble paraspeckles that are incorporated into nuclear speckles. Several paraspeckle proteins, including SFPQ, HNRNPF and BRG1, prevent this incorporation and thus contribute to the segregation of paraspeckles from nuclear speckles. Shell localization of these proteins in the paraspeckles, which is determined by NEAT1_2 long noncoding RNA domains, is required for this segregation process. Conversely, U2-related spliceosomal proteins are involved in internalizing the paraspeckles into nuclear speckles. This study shows that the paraspeckle shell composition dictates the independence of MLOs in the nucleus, providing insights into the importance of the shell in defining features and functions of MLOs.
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Affiliation(s)
- Hiro Takakuwa
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
- Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Yamazaki
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan.
| | | | - Shungo Adachi
- Department of Proteomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Hyura Yoshino
- Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
| | - Naoko Fujiwara
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Tetsuya Yamamoto
- Institute for Chemical Reaction Design and Discovery, Hokkaido University, Sapporo, Japan
| | - Tohru Natsume
- Cellular and Molecular Biotechnology Research Institute, National Institute for Advanced Industrial Science and Technology, Tokyo, Japan
| | - Shinichi Nakagawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Gerard Pierron
- Centre National de la Recherche Scientifique, UMR-9196, Gustave Roussy, Villejuif, France
| | - Tetsuro Hirose
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan.
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan.
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6
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Eun JW, Cheong JY, Jeong JY, Kim HS. A New Understanding of Long Non-Coding RNA in Hepatocellular Carcinoma-From m 6A Modification to Blood Biomarkers. Cells 2023; 12:2272. [PMID: 37759495 PMCID: PMC10528438 DOI: 10.3390/cells12182272] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/12/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
With recent advancements in biological research, long non-coding RNAs (lncRNAs) with lengths exceeding 200 nucleotides have emerged as pivotal regulators of gene expression and cellular phenotypic modulation. Despite initial skepticism due to their low sequence conservation and expression levels, their significance in various biological processes has become increasingly apparent. We provided an overview of lncRNAs and discussed their defining features and modes of operation. We then explored their crucial function in the hepatocarcinogenesis process, elucidating their complex involvement in hepatocellular carcinoma (HCC). The influential role of lncRNAs within the HCC tumor microenvironment is emphasized, illustrating their potential as key modulators of disease dynamics. We also investigated the significant influence of N6-methyladenosine (m6A) modification on lncRNA function in HCC, enhancing our understanding of both their roles and their upstream regulators. Additionally, the potential of lncRNAs as promising biomarkers was discussed in liver cancer diagnosis, suggesting a novel avenue for future research and clinical application. Finally, our work underscored the dual potential of lncRNAs as both contributors to HCC pathogenesis and innovative tools for its diagnosis. Existing challenges and prospective trajectories in lncRNA research are also discussed, emphasizing their potential in advancing liver cancer research.
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Affiliation(s)
- Jung Woo Eun
- Department of Gastroenterology, Ajou University School of Medicine, 164 World cup-ro, Yeongtong-gu, Suwon 16499, Republic of Korea; (J.W.E.); (J.Y.C.)
| | - Jae Youn Cheong
- Department of Gastroenterology, Ajou University School of Medicine, 164 World cup-ro, Yeongtong-gu, Suwon 16499, Republic of Korea; (J.W.E.); (J.Y.C.)
| | - Jee-Yeong Jeong
- Department of Biochemistry, College of Medicine, Kosin University, Seo-gu, Busan 49267, Republic of Korea;
- Institute for Medical Science, College of Medicine, Kosin University, Seo-gu, Busan 49267, Republic of Korea
| | - Hyung Seok Kim
- Department of Biochemistry, College of Medicine, Kosin University, Seo-gu, Busan 49267, Republic of Korea;
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Shakhpazyan NK, Mikhaleva LM, Bedzhanyan AL, Sadykhov NK, Midiber KY, Konyukova AK, Kontorschikov AS, Maslenkina KS, Orekhov AN. Long Non-Coding RNAs in Colorectal Cancer: Navigating the Intersections of Immunity, Intercellular Communication, and Therapeutic Potential. Biomedicines 2023; 11:2411. [PMID: 37760852 PMCID: PMC10525929 DOI: 10.3390/biomedicines11092411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
This comprehensive review elucidates the intricate roles of long non-coding RNAs (lncRNAs) within the colorectal cancer (CRC) microenvironment, intersecting the domains of immunity, intercellular communication, and therapeutic potential. lncRNAs, which are significantly involved in the pathogenesis of CRC, immune evasion, and the treatment response to CRC, have crucial implications in inflammation and serve as promising candidates for novel therapeutic strategies and biomarkers. This review scrutinizes the interaction of lncRNAs with the Consensus Molecular Subtypes (CMSs) of CRC, their complex interplay with the tumor stroma affecting immunity and inflammation, and their conveyance via extracellular vesicles, particularly exosomes. Furthermore, we delve into the intricate relationship between lncRNAs and other non-coding RNAs, including microRNAs and circular RNAs, in mediating cell-to-cell communication within the CRC microenvironment. Lastly, we propose potential strategies to manipulate lncRNAs to enhance anti-tumor immunity, thereby underlining the significance of lncRNAs in devising innovative therapeutic interventions in CRC.
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Affiliation(s)
- Nikolay K. Shakhpazyan
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Liudmila M. Mikhaleva
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Arcady L. Bedzhanyan
- Department of Abdominal Surgery and Oncology II (Coloproctology and Uro-Gynecology), Petrovsky National Research Center of Surgery, 119435 Moscow, Russia;
| | - Nikolay K. Sadykhov
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Konstantin Y. Midiber
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Alexandra K. Konyukova
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Andrey S. Kontorschikov
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Ksenia S. Maslenkina
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
| | - Alexander N. Orekhov
- Avtsyn Research Institute of Human Morphology, Petrovsky National Research Center of Surgery, 119435 Moscow, Russia; (L.M.M.); (N.K.S.); (K.Y.M.); (A.K.K.); (A.S.K.); (K.S.M.); (A.N.O.)
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
- Institute for Atherosclerosis Research, 121096 Moscow, Russia
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8
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Marques IS, Tavares V, Neto BV, Mota INR, Pereira D, Medeiros R. Long Non-Coding RNAs in Venous Thromboembolism: Where Do We Stand? Int J Mol Sci 2023; 24:12103. [PMID: 37569483 PMCID: PMC10418965 DOI: 10.3390/ijms241512103] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Venous thromboembolism (VTE), a common condition in Western countries, is a cardiovascular disorder that arises due to haemostatic irregularities, which lead to thrombus generation inside veins. Even with successful treatment, the resulting disease spectrum of complications considerably affects the patient's quality of life, potentially leading to death. Cumulative data indicate that long non-coding RNAs (lncRNAs) may have a role in VTE pathogenesis. However, the clinical usefulness of these RNAs as biomarkers and potential therapeutic targets for VTE management is yet unclear. Thus, this article reviewed the emerging evidence on lncRNAs associated with VTE and with the activity of the coagulation system, which has a central role in disease pathogenesis. Until now, ten lncRNAs have been implicated in VTE pathogenesis, among which MALAT1 is the one with more evidence. Meanwhile, five lncRNAs have been reported to affect the expression of TFPI2, an important anticoagulant protein, but none with a described role in VTE development. More investigation in this field is needed as lncRNAs may help dissect VTE pathways, aiding in disease prediction, prevention and treatment.
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Affiliation(s)
- Inês Soares Marques
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/Pathology and Laboratory Medicine Dep., Clinical Pathology SV/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), 4200-072 Porto, Portugal; (I.S.M.); (V.T.); (B.V.N.); (I.N.R.M.)
- Faculty of Sciences of University of Porto (FCUP), 4169-007 Porto, Portugal
| | - Valéria Tavares
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/Pathology and Laboratory Medicine Dep., Clinical Pathology SV/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), 4200-072 Porto, Portugal; (I.S.M.); (V.T.); (B.V.N.); (I.N.R.M.)
- Faculty of Medicine of University of Porto (FMUP), 4200-072 Porto, Portugal
- Abel Salazar Institute for the Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Beatriz Vieira Neto
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/Pathology and Laboratory Medicine Dep., Clinical Pathology SV/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), 4200-072 Porto, Portugal; (I.S.M.); (V.T.); (B.V.N.); (I.N.R.M.)
- Research Department, Portuguese League Against Cancer (NRNorte), 4200-172 Porto, Portugal
| | - Inês N. R. Mota
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/Pathology and Laboratory Medicine Dep., Clinical Pathology SV/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), 4200-072 Porto, Portugal; (I.S.M.); (V.T.); (B.V.N.); (I.N.R.M.)
- Faculty of Sciences of University of Porto (FCUP), 4169-007 Porto, Portugal
| | - Deolinda Pereira
- Oncology Department, Portuguese Institute of Oncology of Porto (IPOP), 4200-072 Porto, Portugal;
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/Pathology and Laboratory Medicine Dep., Clinical Pathology SV/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), 4200-072 Porto, Portugal; (I.S.M.); (V.T.); (B.V.N.); (I.N.R.M.)
- Faculty of Medicine of University of Porto (FMUP), 4200-072 Porto, Portugal
- Abel Salazar Institute for the Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal
- Research Department, Portuguese League Against Cancer (NRNorte), 4200-172 Porto, Portugal
- Faculty of Health Sciences, Fernando Pessoa University, 4200-150 Porto, Portugal
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9
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Wu L, Li S, Xu J, Shen C, Qian Q. AGAP2-AS1/BRD7/c-Myc signaling axis promotes skin cutaneous melanoma progression. Am J Transl Res 2023; 15:350-362. [PMID: 36777828 PMCID: PMC9908487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/19/2022] [Indexed: 02/14/2023]
Abstract
OBJECTIVE To examine the effects and mechanisms of AGAP2 Antisense RNA 1 (AGAP2-AS1) in progression of skin cutaneous melanoma (SKCM). METHODS AGAP2-AS1 expression and SKCM survival outcomes were assessed using bioinformatics analysis. In vitro and in vivo assays, including cell proliferation, colony formation, migration, and tumor formation assays, were performed to detect AGAP2-AS1 oncogenic effects in SKCM. RNA pull-down, RNA immunoprecipitation (RIP), and co-immunoprecipitation were used to evaluate the mechanism of AGAP2-AS1 in SKCM progression. RESULTS AGAP2-AS1 was upregulated in human SKCM tissues and cells and predicted a worse prognosis. AGAP2-AS1 silencing in two SKCM cell lines inhibited cell proliferation, as well as colony formation and migration both in vitro and in vivo. The RNA pull-down assay and RIP analysis results indicated that AGAP2-AS1 interacted with bromodomain containing 7 (BRD7). AGAP2-AS1 knockdown attenuated the BRD7 and c-Myc interaction, which reduced c-Myc expression. The altered phenotypes found in AGAP2-AS1- and BRD7-deficient cells were rescued by overexpression of c-Myc. CONCLUSIONS AGAP2-AS1 participated in oncogenesis in SKCM via the BRD7/c-Myc signaling pathway. These results suggest a molecular mechanism for AGAP2-AS1 in the carcinogenesis of SKCM.
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Affiliation(s)
- Lei Wu
- Department of Dermatology, First Affiliated Hospital of Soochow UniversitySuzhou 215006, Jiangsu, China
| | - Shenyi Li
- Department of Obstetrics and Gynecology, Affiliated Hospital of Jiangnan UniversityWuxi 214062, Jiangsu, China
| | - Jinfu Xu
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical UniversityNanjing 211166, Jiangsu, China
| | - Cong Shen
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical UniversityNanjing 211166, Jiangsu, China,State Key Laboratory of Reproductive Medicine, Center for Reproduction and Genetics, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical UniversitySuzhou 215002, Jiangsu, China
| | - Qihong Qian
- Department of Dermatology, First Affiliated Hospital of Soochow UniversitySuzhou 215006, Jiangsu, China
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10
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Jing Y, Cheng B, Wang H, Bai X, Zhang Q, Wang N, Li H, Wang S. The landscape of the long non-coding RNAs and circular RNAs of the abdominal fat tissues in the chicken lines divergently selected for fatness. BMC Genomics 2022; 23:790. [PMID: 36456907 PMCID: PMC9714206 DOI: 10.1186/s12864-022-09045-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 11/24/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Excessive deposition of abdominal fat poses serious problems in broilers owing to rapid growth. Recently, the evolution of the existing knowledge on long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) have established their indispensable roles in multiple physiological metabolic processes, including adipogenesis and fat deposition. However, not much has been explored on their profiles in the abdominal fat tissues of broilers to date. In the study, we aimed to characterize the vital candidates of lncRNAs and circRNAs and their underlying regulations for abdominal fat deposition in broilers. RESULTS The present study sequenced the lncRNAs and circRNAs expression profiles in the abdominal fat tissues isolated from 7-week-old broilers, who were divergently selected for their fatness. It identified a total of 3359 lncRNAs and 176 circRNAs, demonstrating differential expressed (DE) 30 lncRNAs and 17 circRNAs between the fat- and lean-line broilers (|log2FC| ≥ 1, P < 0.05). Subsequently, the 20 cis-targets and 48 trans-targets of the candidate DE lncRNAs were identified for depositing abdominal fat by adjacent gene analysis and co-expression analysis, respectively. In addition, the functional enrichment analysis showed the DE lncRNAs targets and DE circRNAs host genes to be mainly involved in the cellular processes, amino/fatty acid metabolism, and immune inflammation-related pathways and GO terms. Finally, the vital 16 DE lncRNAs located in cytoplasm and specifically expressed in fat/lean line and their targets were used to construct the lncRNA-miRNA-mRNA competing endogenous RNA (ceRNA) regulatory network, comprising 7 DE lncRNAs, 28 miRNAs, 11 DE mRNAs. Notably, three lncRNAs including XR_001468036.2, XR_003077610.1 and XR_001466431.2 with the most connected degrees might play hub regulatory roles in abdominal fat deposition of broilers. CONCLUSIONS This study characterized the whole expression difference of lncRNAs and circRNAs between the two lines broilers with divergently ability of abdominal fat. The vital candidate DE lncRNAs/circRNAs and ceRNA regulations were identified related to the deposition of abdominal fat in chicken. These results might further improve our understanding of regulating the non-coding RNAs in obesity.
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Affiliation(s)
- Yang Jing
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Bohan Cheng
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Haoyu Wang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Xue Bai
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Qi Zhang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Ning Wang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Hui Li
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
| | - Shouzhi Wang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, 150030 People’s Republic of China ,grid.453075.0Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin, 150030 People’s Republic of China ,grid.412243.20000 0004 1760 1136College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030 People’s Republic of China
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11
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Tirta YK, Adachi S, Perez CAG, Adhitama N, Nong QD, Natsume T, Kato Y, Watanabe H. CELF1 represses Doublesex1 expression via its 5' UTR in the crustacean Daphnia magna. PLoS One 2022; 17:e0275526. [PMID: 36240182 PMCID: PMC9565731 DOI: 10.1371/journal.pone.0275526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/19/2022] [Indexed: 11/18/2022] Open
Abstract
In sex determination of the crustacean Daphnia magna, male-specific expression of DM-domain transcription factor Doublesex1 (Dsx1) orchestrates the male developmental program triggered by environmental stimuli. We previously identified the CELF1 ortholog as a candidate of proteins associated with the 5' UTR of the Dsx1α isoform. Here we report the CELF1-dependent suppression of Dsx1 expression in D. magna. During embryogenesis, CELF1 expression was not sexually dimorphic. Silencing of CELF1 led to the activation of Dsx1 expression both in female and male embryos. Overexpression of CELF1 in male embryos resulted in a reduction of Dsx1 expression. By these manipulations of CELF1 expression, the Dsx1 transcript level was not significantly changed. To investigate whether the CELF1 controls Dsx1 expression via its 5' UTR, we injected the GFP reporter mRNA having intact Dsx1α 5' UTR or mutated one lacking the GU-rich element (GRE) that is known as a binding site of the CELF1 ortholog. We found that deletion of the GRE significantly increased the reporter gene expression. These results indicate that CELF1 suppresses Dsx1 expression both in females and males, possibly at the post-transcriptional level. We speculate that CELF1 may avoid unintended Dsx1 expression and generation of sexual ambiguity by setting a threshold of Dsx1 expression.
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Affiliation(s)
| | - Shungo Adachi
- Cellular and Molecular Biotechnology Research Institute (CMB), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan
| | | | - Nikko Adhitama
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan
| | - Quang Dang Nong
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan
| | - Toru Natsume
- Cellular and Molecular Biotechnology Research Institute (CMB), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan
| | - Yasuhiko Kato
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka Univeristy, Suita, Japan
- * E-mail: (HW); (YK)
| | - Hajime Watanabe
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka Univeristy, Suita, Japan
- * E-mail: (HW); (YK)
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12
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Komata S, Kajitani R, Itoh T, Fujiwara H. Genomic architecture and functional unit of mimicry supergene in female limited Batesian mimic Papilio butterflies. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210198. [PMID: 35694751 PMCID: PMC9189499 DOI: 10.1098/rstb.2021.0198] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
It has long been suggested that dimorphic female-limited Batesian mimicry of two closely related Papilio butterflies, Papilio memnon and Papilio polytes, is controlled by supergenes. Whole-genome sequencing, genome-wide association studies and functional analyses have recently identified mimicry supergenes, including the doublesex (dsx) gene. Although supergenes of both the species are composed of highly divergent regions between mimetic and non-mimetic alleles and are located at the same chromosomal locus, they show critical differences in genomic architecture, particularly with or without an inversion: P. polytes has an inversion, but P. memnon does not. This review introduces and compares the detailed genomic structure of mimicry supergenes in two Papilio species, including gene composition, repetitive sequence composition, breakpoint/boundary site structure, chromosomal inversion and linkage disequilibrium. Expression patterns and functional analyses of the respective genes within or flanking the supergene suggest that dsx and other genes are involved in mimetic traits. In addition, structural comparison of the corresponding region for the mimicry supergene among further Papilio species suggests three scenarios for the evolution of the mimicry supergene between the two Papilio species. The structural features revealed in the Papilio mimicry supergene provide insight into the formation, maintenance and evolution of supergenes. This article is part of the theme issue 'Genomic architecture of supergenes: causes and evolutionary consequences'.
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Affiliation(s)
- Shinya Komata
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8562, Japan
| | - Rei Kajitani
- School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Takehiko Itoh
- School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Haruhiko Fujiwara
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8562, Japan
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13
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Regulation of the Cancer Stem Phenotype by Long Non-Coding RNAs. Cells 2022; 11:cells11152352. [PMID: 35954194 PMCID: PMC9367355 DOI: 10.3390/cells11152352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/21/2022] [Accepted: 07/24/2022] [Indexed: 11/17/2022] Open
Abstract
Cancer stem cells are a cell population within malignant tumors that are characterized by the ability to self-renew, the presence of specific molecules that define their identity, the ability to form malignant tumors in vivo, resistance to drugs, and the ability to invade and migrate to other regions of the body. These characteristics are regulated by various molecules, such as lncRNAs, which are transcripts that generally do not code for proteins but regulate multiple biological processes through various mechanisms of action. LncRNAs, such as HOTAIR, H19, LncTCF7, LUCAT1, MALAT1, LINC00511, and FMR1-AS1, have been described as key regulators of stemness in cancer, allowing cancer cells to acquire this phenotype. It has been proposed that cancer stem cells are clinically responsible for the high recurrence rates after treatment and the high frequency of metastasis in malignant tumors, so understanding the mechanisms that regulate the stem phenotype could have an impact on the improvement of cancer treatments.
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14
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Hussen BM, Kheder RK, Abdullah ST, Hidayat HJ, Rahman HS, Salihi A, Taheri M, Ghafouri-Fard S. Functional interplay between long non-coding RNAs and Breast CSCs. Cancer Cell Int 2022; 22:233. [PMID: 35864503 PMCID: PMC9306174 DOI: 10.1186/s12935-022-02653-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 07/12/2022] [Indexed: 12/14/2022] Open
Abstract
Breast cancer (BC) represents aggressive cancer affecting most women’s lives globally. Metastasis and recurrence are the two most common factors in a breast cancer patient's poor prognosis. Cancer stem cells (CSCs) are tumor cells that are able to self-renew and differentiate, which is a significant factor in metastasis and recurrence of cancer. Long non-coding RNAs (lncRNAs) describe a group of RNAs that are longer than 200 nucleotides and do not have the ability to code for proteins. Some of these lncRNAs can be mainly produced in various tissues and tumor forms. In the development and spread of malignancies, lncRNAs have a significant role in influencing multiple signaling pathways positively or negatively, making them promise useful diagnostic and prognostic markers in treating the disease and guiding clinical therapy. However, it is not well known how the interaction of lncRNAs with CSCs will affect cancer development and progression. Here, in this review, we attempt to summarize recent findings that focus on lncRNAs affect cancer stem cell self-renewal and differentiation in breast cancer development and progression, as well as the strategies and challenges for overcoming lncRNA's therapeutic resistance.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil , Kurdistan Region, Iraq.,Center of Research and Strategic Studies, Lebanese French University, Erbil, Iraq
| | - Ramiar Kamal Kheder
- Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq.,Medical Laboratory Science, College of Science, University of Raparin, Rania, KGR, Iraq
| | - Sara Tharwat Abdullah
- Department of Pharmacology and Toxicology, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Hazha Jamal Hidayat
- Department of Biology, College of Education, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
| | - Heshu Sulaiman Rahman
- Department of Physiology, College of Medicine, University of Sulaimani, Sulaimaniyah, Republic of Iraq.,Department of Medical Laboratory Sciences, Komar University of Science and Technology, Sulaimaniyah, Republic of Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. .,Institute of Human Genetics, Jena University Hospital, Jena, Germany.
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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15
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Pan-cancer identification of the relationship of metabolism-related differentially expressed transcription regulation with non-differentially expressed target genes via a gated recurrent unit network. Comput Biol Med 2022; 148:105883. [PMID: 35878490 DOI: 10.1016/j.compbiomed.2022.105883] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/10/2022] [Accepted: 07/16/2022] [Indexed: 11/20/2022]
Abstract
The transcriptome describes the expression of all genes in a sample. Most studies have investigated the differential patterns or discrimination powers of transcript expression levels. In this study, we hypothesized that the quantitative correlations between the expression levels of transcription factors (TFs) and their regulated target genes (mRNAs) serve as a novel view of healthy status, and a disease sample exhibits a differential landscape (mqTrans) of transcription regulations compared with healthy status. We formulated quantitative transcription regulation relationships of metabolism-related genes as a multi-input multi-output regression model via a gated recurrent unit (GRU) network. The GRU model was trained using healthy blood transcriptomes and the expression levels of mRNAs were predicted by those of the TFs. The mqTrans feature of a gene was defined as the difference between its predicted and actual expression levels. A pan-cancer investigation of the differentially expressed mqTrans features was conducted between the early- and late-stage cancers in 26 cancer types of The Cancer Genome Atlas database. This study focused on the differentially expressed mqTrans features, that did not show differential expression in the actual expression levels. These genes could not be detected by conventional differential analysis. Such dark biomarkers are worthy of further wet-lab investigation. The experimental data also showed that the proposed mqTrans investigation improved the classification between early- and late-stage samples for some cancer types. Thus, the mqTrans features serve as a complementary view to transcriptomes, an OMIC type with mature high-throughput production technologies, and abundant public resources.
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16
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Kato Y, Watanabe H. Regulation of Doublesex1 Expression for Environmental Sex Determination in the Cladoceran Crustacean Daphnia. Front Cell Dev Biol 2022; 10:881255. [PMID: 35493103 PMCID: PMC9043111 DOI: 10.3389/fcell.2022.881255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
The cladoceran crustacean Daphnia produces only females by parthenogenesis in a healthy population. However, in response to environmental declines such as crowding and lack of foods, it produces eggs destined to become males that are genetically identical to females. During the development of the sexually committed eggs, DM domain-containing transcription factor Doublesex1 (Dsx1) orchestrates male trait formation globally both in somatic and gonadal tissues. Recent studies have revealed that Dsx1 expression is tightly controlled at transcriptional, post-transcriptional, and epigenetic levels to avoid sexual ambiguity. In this review, together with basic information on Dsx1 structure and expression, we introduce the multi-layered Dsx1 regulation and discuss how each regulation is interconnected for controlling male development in environmental sex-determining Daphnia.
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17
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Roy SW. Optimality versus opportunity the recurrent evolution of similar sex determination mechanisms. J Hered 2022; 113:235-237. [PMID: 35325170 DOI: 10.1093/jhered/esac001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 03/19/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- Scott William Roy
- San Francisco State University, 1600 Holloway Avenue, San Francisco, CA 94132, USA
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18
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LINC00624/TEX10/NF-κB axis promotes proliferation and migration of human prostate cancer cells. Biochem Biophys Res Commun 2022; 601:1-8. [PMID: 35219000 DOI: 10.1016/j.bbrc.2022.02.078] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/16/2022] [Accepted: 02/19/2022] [Indexed: 01/01/2023]
Abstract
Prostate cancer (PCa) is a malignant epithelial tumor with a high rate of biochemical or local recurrence. Studies have suggested that LINC00624 plays an important oncogenic role in liver cancer. However, whether it exerts similar effects in PCa progression remains unknown. In this study, we explored the effects of LINC00624 on the malignant progression of PCa and sought to identify the relevant signaling pathways. The results showed that LINC00624 was highly expressed in PCa tissues and cells and was associated with poor prognosis in PCa patients. In vitro and in vivo assays further showed that LINC00624 knockdown could decrease the proliferative and migratory ability of PCa cells. Mechanistically, we found that LINC00624 and TEX10 formed a co-regulatory axis that stimulated NF-κB activity. Our data suggest that LINC00624 acts as an oncogene in PCa progression and has potential as a novel biomarker for PCa.
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Zhang T, Jin Y, Luo X. Long non-coding RNA RGMB-AS1 represses nasopharyngeal carcinoma progression via binding to forkhead box A1. Bioengineered 2022; 13:5564-5580. [PMID: 35184697 PMCID: PMC8973592 DOI: 10.1080/21655979.2022.2039495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Long non-coding RNA RGMB-AS1 (RGMB antisense RNA 1) plays a crucial role in tumor progression. However, its underlying mechanism in nasopharyngeal carcinoma (NPC) remains unclear. In this study, we analyzed the clinical significance of lncRNA RGMB-AS1 as a possible potential marker in NPC, and investigated the effect and mechanism of lncRNA RGMB-AS1 on proliferation, migration and epithelial mesenchymal transformation (EMT) of NPC by directly binding Forkhead box A1 (FOXA1) in vitro and in vivo. In conclusion, LncRNA RGMB-AS1 inhibits malignant behaviors and EMT by regulating FOXA1, and lncRNA RGMB-AS1 may be an important indicator of clinical prognosis.
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Affiliation(s)
- Tian Zhang
- Department of ENT and HN Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, PR China
| | - Ying Jin
- Department of ENT and HN Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, PR China
| | - Xiangmei Luo
- Department of ENT and HN Surgery, Central People’s Hospital of ZhanJiang, ZhanJiang, PR China
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