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      Clinical and Prognostic Significance of TSC2 and TSC1 Expressions in Rectal Cancer

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      https://www.riss.kr/link?id=A109488748

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      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

      TSC1 is a crucial component of the mTOR pathway, impacting cell growth, proliferation, and autophagy, while TSC2 is a tumor suppressor gene that regulates cell growth and is associated with the mTOR signaling pathway. In the present study, we analyzed TSC1 and TSC2 mRNA expression levels in rectal cancer, and evaluated clinicopathological and prognostic characteristics of TSC1 and TSC2. TSC1 and TSC2 mRNA expression was examined in various cancer types using The Cancer Genome Atlas (TCGA) data. The patients were split into two subgroups, each comprising 50% of the total, based on the TSC gene expression levels. This division was made to assess the clinical characteristics associated with the expression of TSC1 and TSC2 genes. Lower TSC1 expression was linked to venous invasion in rectal cancer patients, and there was also a related trend with lymphatic invasion, although it didn’t reach statistical significance. Lower TSC2 expression was observed in younger patients and had some associations with sex and M stage, but these correlations were not statistically significant. When it came to survival analysis, TSC1 expression did not significantly impact overall survival, while higher TSC2 expression was associated with a poorer prognosis in rectal cancer. TSC1 and TSC2 may have important role in rectal cancer and its molecular mechanisms and clinical characteristics should be studied further.
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      TSC1 is a crucial component of the mTOR pathway, impacting cell growth, proliferation, and autophagy, while TSC2 is a tumor suppressor gene that regulates cell growth and is associated with the mTOR signaling pathway. In the present study, we analyzed...

      TSC1 is a crucial component of the mTOR pathway, impacting cell growth, proliferation, and autophagy, while TSC2 is a tumor suppressor gene that regulates cell growth and is associated with the mTOR signaling pathway. In the present study, we analyzed TSC1 and TSC2 mRNA expression levels in rectal cancer, and evaluated clinicopathological and prognostic characteristics of TSC1 and TSC2. TSC1 and TSC2 mRNA expression was examined in various cancer types using The Cancer Genome Atlas (TCGA) data. The patients were split into two subgroups, each comprising 50% of the total, based on the TSC gene expression levels. This division was made to assess the clinical characteristics associated with the expression of TSC1 and TSC2 genes. Lower TSC1 expression was linked to venous invasion in rectal cancer patients, and there was also a related trend with lymphatic invasion, although it didn’t reach statistical significance. Lower TSC2 expression was observed in younger patients and had some associations with sex and M stage, but these correlations were not statistically significant. When it came to survival analysis, TSC1 expression did not significantly impact overall survival, while higher TSC2 expression was associated with a poorer prognosis in rectal cancer. TSC1 and TSC2 may have important role in rectal cancer and its molecular mechanisms and clinical characteristics should be studied further.

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      참고문헌 (Reference)

      1 Dowling RJ, "mTORC1-mediated cell proliferation, but not cell growth, controlled by the 4E-BPs" 328 : 1172-1176, 2010

      2 Lai M, "Tsc1 regulates tight junction independent of mTORC1" 27 : 118-, 2021

      3 Zhu QY, "The role of TSC2 in breast cancer : a literature review" 12 : 1188371-, 2023

      4 Mallela K, "Role of TSC1 in physiology and diseases" 476 : 2269-2282, 2021

      5 Feng Y, "Programmed death-ligand 1 and mammalian target of rapamycin signaling pathway in locally advanced rectal cancer" 13 : 10-, 2022

      6 Aboelela DA, "Potential diagnostic role of circulating MiRNAs in colorectal cancer" 37 : 2023

      7 Simons CCJM, "Polymorphisms in the mTOR-PI3K-Akt pathway, energy balance-related exposures and colorectal cancer risk in the Netherlands Cohort Study" 15 : 2-, 2022

      8 Ma SC, "Novel strategies to reverse chemo-resistance in colorectal cancer" 12 : 11073-11096, 2023

      9 Johnson SM, "Novel expression patterns of PI3K/Akt/mTOR signaling pathway components in colorectal cancer" 210 : 767-776, 2010

      10 Maiese K, "Moving to the Rhythm with Clock(Circadian)Genes, Autophagy, mTOR, and SIRT1 in Degenerative Disease and Cancer" 14 : 299-304, 2017

      1 Dowling RJ, "mTORC1-mediated cell proliferation, but not cell growth, controlled by the 4E-BPs" 328 : 1172-1176, 2010

      2 Lai M, "Tsc1 regulates tight junction independent of mTORC1" 27 : 118-, 2021

      3 Zhu QY, "The role of TSC2 in breast cancer : a literature review" 12 : 1188371-, 2023

      4 Mallela K, "Role of TSC1 in physiology and diseases" 476 : 2269-2282, 2021

      5 Feng Y, "Programmed death-ligand 1 and mammalian target of rapamycin signaling pathway in locally advanced rectal cancer" 13 : 10-, 2022

      6 Aboelela DA, "Potential diagnostic role of circulating MiRNAs in colorectal cancer" 37 : 2023

      7 Simons CCJM, "Polymorphisms in the mTOR-PI3K-Akt pathway, energy balance-related exposures and colorectal cancer risk in the Netherlands Cohort Study" 15 : 2-, 2022

      8 Ma SC, "Novel strategies to reverse chemo-resistance in colorectal cancer" 12 : 11073-11096, 2023

      9 Johnson SM, "Novel expression patterns of PI3K/Akt/mTOR signaling pathway components in colorectal cancer" 210 : 767-776, 2010

      10 Maiese K, "Moving to the Rhythm with Clock(Circadian)Genes, Autophagy, mTOR, and SIRT1 in Degenerative Disease and Cancer" 14 : 299-304, 2017

      11 D’Armiento J, "Mesenchymal Tumorigenesis Driven by TSC2 Haploinsufficiency Requires HMGA2 and Is Independent of mTOR Pathway Activation" 15 : 844-854, 2016

      12 Göktuna Sİ, "IKBKE inhibits TSC1 to activate the mTOR/S6K pathway for oncogenic transformation" 42 : 268-278, 2018

      13 Grady WM, "Genomic and epigenetic instability in colorectal cancer pathogenesis" 135 : 1079-1099, 2008

      14 Lee SJ, "Genetic variations in STK11, PRKAA1, and TSC1 associated with prognosis for patients with colorectal cancer" 21 : 634-639, 2014

      15 Specchio N, "Familial Kidney Cancer : Implications of New Syndromes and Molecular In-sights" 76 : 754-764, 2019

      16 Lee S, "Differential expression in normal-adenoma-carcinoma sequence suggests complex molecular carcinogenesis in colon" 16 : 747-754, 2006

      17 Kim J, "Detection of Colorectal Adenocarcinoma and Grading Dysplasia on Histopathologic Slides Using Deep Learning" 193 : 332-340, 2022

      18 Khan K, "Colorectal cancer with liver metastases : neoadjuvant chemotherapy, surgical resection first or palliation alone?" 21 : 12391-12406, 2014

      19 김종완 ; 박재희 ; 이재호, "Clinical and Prognostic Values of DNMT3B Expression in Hepatocellular Carcinoma" 41 : 13-16, 2022

      20 Specchio N, "Autism and Epilepsy in Patients With Tuberous Sclerosis Complex" 11 : 639-, 2020

      21 김종완 ; 정수정 ; 이재호, "Analysis of the Cancer Genome Atlas Data to Determine the Prognostic Value of GABPB1L and TERT in Glioblastoma" 40 : 73-76, 2021

      22 González-Villaseñor CO, "A novel mutation in the TSC2 gene protects against colorectal cancer in the Mexican population" 158 : 283-288, 2022

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