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Fujiwara-Tani R, Sasaki T, Bhawal UK, Mori S, Ogata R, Sasaki R, Ikemoto A, Kishi S, Fujii K, Ohmori H, Sho M, Kuniyasu H. Nuclear MAST4 Suppresses FOXO3 through Interaction with AKT3 and Induces Chemoresistance in Pancreatic Ductal Carcinoma. Int J Mol Sci 2024; 25:4056. [PMID: 38612866 PMCID: PMC11012408 DOI: 10.3390/ijms25074056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/24/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is highly malignant, with a 5-year survival rate of less than 10%. Furthermore, the acquisition of anticancer drug resistance makes PDAC treatment difficult. We established MIA-GEM cells, a PDAC cell line resistant to gemcitabine (GEM), a first-line anticancer drug, using the human PDAC cell line-MIA-PaCa-2. Microtubule-associated serine/threonine kinase-4 (MAST4) expression was increased in MIA-GEM cells compared with the parent cell line. Through inhibitor screening, dysregulated AKT signaling was identified in MIA-GEM cells with overexpression of AKT3. MAST4 knockdown effectively suppressed AKT3 overexpression, and both MAST4 and AKT3 translocation into the nucleus, phosphorylating forkhead box O3a (FOXO3) in MIA-GEM cells. Modulating FOXO3 target gene expression in these cells inhibited apoptosis while promoting stemness and proliferation. Notably, nuclear MAST4 demonstrated higher expression in GEM-resistant PDAC cases compared with that in the GEM-sensitive cases. Elevated MAST4 expression correlated with a poorer prognosis in PDAC. Consequently, nuclear MAST4 emerges as a potential marker for GEM resistance and poor prognosis, representing a novel therapeutic target for PDAC.
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Grants
- 19K16564 Ministry of Education, Culture, Sports, Science and Technology
- 20K21659 Ministry of Education, Culture, Sports, Science and Technology
- 23K10481 Ministry of Education, Culture, Sports, Science and Technology
- 22K11396 Ministry of Education, Culture, Sports, Science and Technology
- 21K11223 Ministry of Education, Culture, Sports, Science and Technology
- 22H04922 Ministry of Education, Culture, Sports, Science and Technology
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Affiliation(s)
- Rina Fujiwara-Tani
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Takamitsu Sasaki
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Ujjal Kumar Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo 271-8587, Chiba, Japan;
| | - Shiori Mori
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Ruiko Ogata
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Rika Sasaki
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Ayaka Ikemoto
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Shingo Kishi
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
- Pathology Laboratory, Research Institute, Tokushukai Nozaki Hospital, 2-10-50 Tanigawa, Daito 574-0074, Osaka, Japan
| | - Kiyomu Fujii
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Hitoshi Ohmori
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
| | - Masayuki Sho
- Department of Surgery, Nara Medical University, Kashihara 634-8522, Nara, Japan;
| | - Hiroki Kuniyasu
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (T.S.); (S.M.); (R.O.); (A.I.); (S.K.); (K.F.); (H.O.)
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2
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Xu J, Liu C, Qu K, Zhang J, Liu S, Meng F, Wan Y. m6A methyltransferase METTL14‑mediated RP1‑228H13.5 promotes the occurrence of liver cancer by targeting hsa‑miR‑205/ZIK1. Oncol Rep 2024; 51:59. [PMID: 38426536 PMCID: PMC10926101 DOI: 10.3892/or.2024.8718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/25/2024] [Indexed: 03/02/2024] Open
Abstract
The aim of the present study was to explore the association between N6‑methyladenosine (m6A) modification regulatory gene‑related long noncoding (lnc)RNA RP1‑228H13.5 and cancer prognosis through bioinformatics analysis, as well as the impact of RP1‑228H13.5 on cell biology‑related behaviors and specific molecular mechanisms. Bioinformatics analysis was used to construct a risk model consisting of nine genes. This model can reflect the survival time and differentiation degree of cancer. Subsequently, a competing endogenous RNA network consisting of 3 m6A‑related lncRNAs, six microRNAs (miRs) and 201 mRNAs was constructed. A cell assay confirmed that RP1‑228H13.5 is significantly upregulated in liver cancer cells, which can promote liver cancer cell proliferation, migration and invasion, and inhibit liver cancer cell apoptosis. The specific molecular mechanism may be the regulation of the expression of zinc finger protein interacting with K protein 1 (ZIK1) by targeting the downstream hsa‑miR‑205. Further experiments found that the m6A methyltransferase 14, N6‑adenosine‑methyltransferase subunit mediates the regulation of miR‑205‑5p expression by RP1‑228H13.5. m6A methylation regulatory factor‑related lncRNA has an important role in cancer. The targeting of hsa‑miR‑205 by RP1‑228H13.5 to regulate ZIK1 may serve as a potential mechanism in the occurrence and development of liver cancer.
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Affiliation(s)
- Jia Xu
- Department of Hepatobiliary Pancreatic and Liver Transplantation Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
- Department of General Surgery, Leping People's Hospital, Jingdezhen, Jiangxi 333300, P.R. China
| | - Chang Liu
- Department of Hepatobiliary Pancreatic and Liver Transplantation Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Kai Qu
- Department of Hepatobiliary Pancreatic and Liver Transplantation Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Jingyao Zhang
- Department of SICU, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Sinan Liu
- Department of SICU, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Fandi Meng
- Department of Geriatric Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yong Wan
- Department of Geriatric Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Kolli R. TOGging up microtubule ends: The plant-specific microtubule minus-end tracking SPR2 has a unique TOG domain. Plant Cell 2024; 36:803-804. [PMID: 38134392 PMCID: PMC10980340 DOI: 10.1093/plcell/koad323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 12/24/2023]
Affiliation(s)
- Renuka Kolli
- Assistant Features Editor, The Plant Cell, American Society of Plant Biologists
- Sainsbury Laboratory, University of Cambridge, Cambridge, UK
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4
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Laporte D, Massoni-Laporte A, Lefranc C, Dompierre J, Mauboules D, Nsamba ET, Royou A, Gal L, Schuldiner M, Gupta ML, Sagot I. A stable microtubule bundle formed through an orchestrated multistep process controls quiescence exit. eLife 2024; 12:RP89958. [PMID: 38527106 PMCID: PMC10963028 DOI: 10.7554/elife.89958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024] Open
Abstract
Cells fine-tune microtubule assembly in both space and time to give rise to distinct edifices with specific cellular functions. In proliferating cells, microtubules are highly dynamics, and proliferation cessation often leads to their stabilization. One of the most stable microtubule structures identified to date is the nuclear bundle assembled in quiescent yeast. In this article, we characterize the original multistep process driving the assembly of this structure. This Aurora B-dependent mechanism follows a precise temporality that relies on the sequential actions of kinesin-14, kinesin-5, and involves both microtubule-kinetochore and kinetochore-kinetochore interactions. Upon quiescence exit, the microtubule bundle is disassembled via a cooperative process involving kinesin-8 and its full disassembly is required prior to cells re-entry into proliferation. Overall, our study provides the first description, at the molecular scale, of the entire life cycle of a stable microtubule structure in vivo and sheds light on its physiological function.
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Affiliation(s)
| | | | | | | | | | - Emmanuel T Nsamba
- Genetics, Development, and Cell Biology, Iowa State UniversityAmesUnited States
| | - Anne Royou
- Univ. Bordeaux, CNRS, IBGC, UMR 5095BordeauxFrance
| | - Lihi Gal
- Department of Molecular Genetics, Weizmann Institute of ScienceRehovotIsrael
| | - Maya Schuldiner
- Department of Molecular Genetics, Weizmann Institute of ScienceRehovotIsrael
| | - Mohan L Gupta
- Genetics, Development, and Cell Biology, Iowa State UniversityAmesUnited States
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Karapurkar JK, Colaco JC, Suresh B, Tyagi A, Woo SH, Jo WJ, Ko N, Singh V, Hong SH, Oh SJ, Kim KS, Ramakrishna S. USP28 promotes tumorigenesis and cisplatin resistance by deubiquitinating MAST1 protein in cancer cells. Cell Mol Life Sci 2024; 81:145. [PMID: 38498222 PMCID: PMC10948558 DOI: 10.1007/s00018-024-05187-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 02/21/2024] [Accepted: 02/28/2024] [Indexed: 03/20/2024]
Abstract
Cisplatin is a chemotherapy drug that causes a plethora of DNA lesions and inhibits DNA transcription and replication, resulting in the induction of apoptosis in cancer cells. However, over time, patients develop resistance to cisplatin due to repeated treatment and thus the treatment efficacy is limited. Therefore, identifying an alternative therapeutic strategy combining cisplatin treatment along with targeting factors that drive cisplatin resistance is needed. CRISPR/Cas9 system-based genome-wide screening for the deubiquitinating enzyme (DUB) subfamily identified USP28 as a potential DUB that governs cisplatin resistance. USP28 regulates the protein level of microtubule-associated serine/threonine kinase 1 (MAST1), a common kinase whose expression is elevated in several cisplatin-resistant cancer cells. The expression level and protein turnover of MAST1 is a major factor driving cisplatin resistance in many cancer types. Here we report that the USP28 interacts and extends the half-life of MAST1 protein by its deubiquitinating activity. The expression pattern of USP28 and MAST1 showed a positive correlation across a panel of tested cancer cell lines and human clinical tissues. Additionally, CRISPR/Cas9-mediated gene knockout of USP28 in A549 and NCI-H1299 cells blocked MAST1-driven cisplatin resistance, resulting in suppressed cell proliferation, colony formation ability, migration and invasion in vitro. Finally, loss of USP28 destabilized MAST1 protein and attenuated tumor growth by sensitizing cells to cisplatin treatment in mouse xenograft model. We envision that targeting the USP28-MAST1 axis along with cisplatin treatment might be an alternative therapeutic strategy to overcome cisplatin resistance in cancer patients.
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Affiliation(s)
| | - Jencia Carminha Colaco
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Bharathi Suresh
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Apoorvi Tyagi
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Sang Hyeon Woo
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Won-Jun Jo
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Nare Ko
- Biomedical Research Center, Asan Institute for Life Sciences, Seoul, 05505, Korea
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Korea
| | - Vijai Singh
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana, Gujarat, India
| | - Seok-Ho Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, South Korea
| | - Seung Jun Oh
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Korea.
| | - Kye-Seong Kim
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea.
- College of Medicine, Hanyang University, Seoul, 04763, South Korea.
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea.
- College of Medicine, Hanyang University, Seoul, 04763, South Korea.
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6
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Wang T, Peng X, Liu W, Ji M, Sun J. Identification and validation of KIF23 as a hypoxia-regulated lactate metabolism-related oncogene in uterine corpus endometrial carcinoma. Life Sci 2024; 341:122490. [PMID: 38336274 DOI: 10.1016/j.lfs.2024.122490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
AIMS The "Warburg effect" has been developed from the discovery that hypoxia-inducible factor 1α (HIF-1α) could promote the conversion of pyruvate to lactate. However, no studies have linked hypoxia and lactate metabolism to uterine corpus endometrial carcinoma (UCEC). MAIN METHODS Sequencing and clinical data of patients with UCEC were extracted from The Cancer Genome Atlas (TCGA) database. Hypoxia-related lactate metabolism genes (HRLGs) were screened using Spearman's correlation analysis. A prognostic signature based on HRLGs was developed using the least absolute shrinkage and selection operator (LASSO) algorithm. A comprehensive analysis was conducted on the molecular features, immune environment, mutation patterns, and response to drugs between different risk groups. In vitro and in vivo experiments were performed to verify the function of KIF23. KEY FINDINGS A five HRLG-based prognostic signature was identified. The prognostic outcome was unfavorable for the high-risk subgroup. Observation of increased pathway activities associated with cell proliferation and DNA damage repair was noted in the high-risk subgroup. Additionally, notable correlations were observed between risk score and immune microenvironment, mutational features, and drug responsiveness. Further, we confirmed KIF23 as a novel oncogene in UCEC, whose silencing decreased proliferation and promoted apoptosis of cancer cells. KIF23 knockdown reduced tumor growth in nude mice. We demonstrated that KIF23 was upregulated under hypoxic stress in a HIF-1α dependent manner. Moreover, KIF23 regulated lactate dehydrogenase A expression. SIGNIFICANCE The developed HRLG-related signature was associated with prognosis, immune microenvironment, and drug sensitivity in UCEC. We also revealed KIF23 as a hypoxia-regulated lactate metabolism-related oncogene.
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Affiliation(s)
- Tao Wang
- The Gynecology Department, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Xiaotong Peng
- The Gynecology Department, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Wenwen Liu
- The Gynecology Department, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Mei Ji
- The Gynecology Department, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Jing Sun
- The Gynecology Department, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
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7
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Zhang M, Ding Y, Gao M, Lu X, Tan J, Yu F, Gu C, Gu L, Ren X, Hao C, Ming L, Xu K, Mao W, Jin Y, Zhang M, You L, Wang Z, Sun Y, Jiang J, Yang Y, Zhang D, Tang X. Discovery of Novel N-(Anthracen-9-ylmethyl) Benzamide Derivatives as ZNF207 Inhibitors Promising in Treating Glioma. J Med Chem 2024; 67:3909-3934. [PMID: 38377560 DOI: 10.1021/acs.jmedchem.3c02241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Targeting tumor stemness is an innovative approach to cancer treatment. Zinc Finger Protein 207 (ZNF207) is a promising target for weakening the stemness of glioma cells. Here, a series of novel N-(anthracen-9-ylmethyl) benzamide derivatives against ZNF207 were rationally designed and synthesized. The inhibitory activity was evaluated, and their structure-activity relationships were summarized. Among them, C16 exhibited the most potent inhibitory activity, as evidenced by its IC50 values ranging from 0.5-2.5 μM for inhibiting sphere formation and 0.5-15 μM for cytotoxicity. Furthermore, we found that C16 could hinder tumorigenesis and migration and promote apoptosis in vitro. These effects were attributed to the downregulation of stem-related genes. The in vivo evaluation demonstrated that C16 exhibited efficient permeability across the blood-brain barrier and potent efficacy in both subcutaneous and orthotopic glioma tumor models. Hence, C16 may serve as a potential lead compound targeting ZNF207 and has promising therapeutic potential for glioma.
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Affiliation(s)
- Menghan Zhang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Yushi Ding
- Institute of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China 211112
| | - Mengkang Gao
- School of Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Xiaolin Lu
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Jun Tan
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Fei Yu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Congying Gu
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Lujun Gu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Xiameng Ren
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Chenyan Hao
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Liqin Ming
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Kang Xu
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Wenhao Mao
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Yuqing Jin
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
| | - Min Zhang
- Institute of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China 211112
| | - Linjun You
- Institute of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China 211112
- Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing, China 211112
| | - Zhanbo Wang
- Institute of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China 211112
- Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing, China 211112
| | - Yuanyuan Sun
- Shuangyun BioMed Sci & Tech (Suzhou) Co., Ltd, Suzhou, China 215000
| | - Jingwei Jiang
- Shuangyun BioMed Sci & Tech (Suzhou) Co., Ltd, Suzhou, China 215000
| | - Yong Yang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China 211112
- School of Pharmacy, Xuzhou Medical University, Xuzhou, China 221004
| | - Dayong Zhang
- School of Science, China Pharmaceutical University, Nanjing, China 211112
| | - Xinying Tang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China 211112
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8
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Yang ML, Xu C, Gupte T, Hoffmann TJ, Iribarren C, Zhou X, Ganesh SK. Sex-specific genetic architecture of blood pressure. Nat Med 2024; 30:818-828. [PMID: 38459180 DOI: 10.1038/s41591-024-02858-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/05/2024] [Indexed: 03/10/2024]
Abstract
The genetic and genomic basis of sex differences in blood pressure (BP) traits remain unstudied at scale. Here, we conducted sex-stratified and combined-sex genome-wide association studies of BP traits using the UK Biobank resource, identifying 1,346 previously reported and 29 new BP trait-associated loci. Among associated loci, 412 were female-specific (Pfemale ≤ 5 × 10-8; Pmale > 5 × 10-8) and 142 were male-specific (Pmale ≤ 5 × 10-8; Pfemale > 5 × 10-8); these sex-specific loci were enriched for hormone-related transcription factors, in particular, estrogen receptor 1. Analyses of gene-by-sex interactions and sexually dimorphic effects identified four genomic regions, showing female-specific associations with diastolic BP or pulse pressure, including the chromosome 13q34-COL4A1/COL4A2 locus. Notably, female-specific pulse pressure-associated loci exhibited enriched acetylated histone H3 Lys27 modifications in arterial tissues and a female-specific association with fibromuscular dysplasia, a female-biased vascular disease; colocalization signals included Chr13q34: COL4A1/COL4A2, Chr9p21: CDKN2B-AS1 and Chr4q32.1: MAP9 regions. Sex-specific and sex-biased polygenic associations of BP traits were associated with multiple cardiovascular traits. These findings suggest potentially clinically significant and BP sex-specific pleiotropic effects on cardiovascular diseases.
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Affiliation(s)
- Min-Lee Yang
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Chang Xu
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Center for Statistical Genetics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Trisha Gupte
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Thomas J Hoffmann
- Department of Epidemiology & Biostatistics, and Institute for Human Genetics, School of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | | | - Xiang Zhou
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Center for Statistical Genetics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Santhi K Ganesh
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA.
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA.
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA.
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9
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Ye Y, Bewley MC, Wang HG, Tian F, Flanagan JM. What's in an E3: role of highly curved membranes in facilitating LC3-phosphatidylethanolamine conjugation during autophagy. Autophagy 2024; 20:709-711. [PMID: 38032155 PMCID: PMC10936649 DOI: 10.1080/15548627.2023.2288527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023] Open
Abstract
During autophagosome formation, ATG3, an E2-like enzyme, catalyzes the transfer of LC3-family proteins (including Atg8 in yeast and LC3- and GABARAP-subfamily members in more complex eukaryotes) from the covalent conjugated ATG3-LC3 intermediate to PE lipids in targeted membranes. A recent study has shown that the catalytically important regions of human ATG3 (hereafter referred to as ATG3), including residues 262 to 277 and 291 to 300, in cooperation with its N-terminal curvature-sensing amphipathic helix (NAH), directly interact with the membrane. These membrane interactions are functionally necessary for in vitro conjugation and in vivo cellular assays. They provide a molecular mechanism for how the membrane curvature-sensitive interaction of the NAH of ATG3 is closely coupled to its conjugase activity. Together, the data are consistent with a model in which the highly curved phagophore rims facilitate the recruitment of the ATG3-LC3 complex and promote the conjugation of LC3 to PE lipids. Mechanistically, the highly curved membranes of the phagophore rims act in much the same manner as classical E3 enzymes in the sumo/ubiquitin system, bringing substrates into proximity and rearranging the catalytic center of ATG3. Future studies will investigate how this multifaceted membrane interaction of ATG3 works with the putative E3 complex, ATG12-ATG5-ATG16L1, to promote LC3-PE conjugation.
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Affiliation(s)
- Yansheng Ye
- Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Maria C. Bewley
- Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Hershey, PA, USA
- Biomedical Core Facilities, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Hong-Gang Wang
- Department of Pediatrics, Division of Pediatric Hematology and Oncology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Fang Tian
- Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - John M. Flanagan
- Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Hershey, PA, USA
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10
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Uysal SP, Li Y, Thompson NR, Milinovich A, Abbatemarco JR, Cohen JA, Conway DS, Ontaneda D, Morren JA, Kunchok A. Predicting disability and mortality in CV2/CRMP5-IgG associated paraneoplastic neurologic disorders. Ann Clin Transl Neurol 2024; 11:710-718. [PMID: 38251800 DOI: 10.1002/acn3.51991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/19/2023] [Accepted: 12/25/2023] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND We aimed to investigate the prognostic factors associated with clinical outcomes in CV2/Collapsin response-mediator protein 5 (CRMP5)-IgG paraneoplastic neurologic disorders (PND). METHODS This is a retrospective study of patients with CV2/CRMP5-IgG PND evaluated between 2002-2022. We examined the association of clinical variables (including age, clinical phenotype [autoimmune encephalopathy, myelopathy, polyneuropathy/radiculopathy, MG, cerebellar ataxia, chorea, optic neuropathy], cancer) with three clinical outcomes (wheelchair dependence, modified Rankin Scale [mRS], mortality) using univariate logistic regression and Cox proportional hazards modeling. Kaplan-Meier estimates were used to determine the probability of survival. RESULTS Twenty-seven patients (56% female) with CV2/CRMP5-IgG PND were identified with a median follow-up of 54 months (IQR = 11-102). An underlying tumor was identified in 15 patients (56%) including small cell lung cancer (SCLC) (8, [53%]), thymoma (4, [27%]), and other histologies (3, [20%]). At last follow-up, 10 patients (37%) needed a wheelchair for mobility and this outcome was associated with myelopathy (HR = 7.57, 95% CI = 1.87-30.64, P = 0.005). Moderate-severe mRS = 3-5 was associated with CNS involvement (encephalopathy, myelopathy, or cerebellar ataxia) (OR = 7.00, 95% CI = 1.18-41.36, P = 0.032). The probability of survival 4 years after symptom onset was 66%. Among cancer subtypes, SCLC (HR = 18.18, 95% CI = 3.55-93.04, P < 0.001) was significantly associated with mortality, while thymoma was not. INTERPRETATION In this retrospective longitudinal study of CV2/CRMP5-IgG PND, patients with CNS involvement, particularly myelopathy, had higher probability of disability. SCLC was the main determinant of survival in this population.
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Affiliation(s)
- Sanem P Uysal
- Department of Neurology, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Yadi Li
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Center for Outcomes Research & Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Nicolas R Thompson
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Center for Outcomes Research & Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Alex Milinovich
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Justin R Abbatemarco
- Mellen Center for Multiple Sclerosis, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jeffrey A Cohen
- Mellen Center for Multiple Sclerosis, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Devon S Conway
- Mellen Center for Multiple Sclerosis, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Daniel Ontaneda
- Mellen Center for Multiple Sclerosis, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - John A Morren
- Neuromuscular Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Amy Kunchok
- Mellen Center for Multiple Sclerosis, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
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11
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Chu YH, Mullaney K, DiNapoli SE, Cohen MA, Xu B, Ghossein R, Katabi N, Dogan S. FGFR1/2/3-rearranged carcinoma of the head and neck: expanded histological spectrum crossing path with high-risk HPV in the sinonasal tract. Histopathology 2024; 84:589-600. [PMID: 38010295 PMCID: PMC10872948 DOI: 10.1111/his.15099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/27/2023] [Accepted: 11/02/2023] [Indexed: 11/29/2023]
Abstract
AIMS Oncogenic FGFR1/2/3 rearrangements are found in various cancers. Reported cases in head and neck (HN) are mainly squamous cell carcinomas (SCCs) with FGFR3::TACC3 fusions, a subset of which also harbour high-risk human papillomavirus (HPV). However, the knowledge of the clinicopathological spectrum of FGFR-rearranged head and neck carcinomas (FHNC) is limited. METHODS AND RESULTS A retrospective MSK-fusion clinical sequencing cohort 2016-23 was searched to identify malignant tumours in the HN region harbouring FGFR1/2/3 fusion. FHNC were characterised by histological examination, immunohistochemistry and molecular analysis. Electronic medical records were reviewed. Three FHNC were identified. Two cases (cases 1 and 2) involved sinonasal tract and were high-grade carcinomas with squamous, basaloid, glandular and/or ductal-myoepithelial features. Case 1 arose in a 79-year-old man and harboured FGFR2::KIF1A fusion. Case 2 arose in a 58-year-old man, appeared as HPV-related multiphenotypic sinonasal carcinoma (HMSC), and was positive for FGFR2::TACC2 fusion and concurrent high-risk HPV, non-type 16/18. Case 3 was FGFR3::TACC3 fusion-positive keratinising SCCs arising in the parotid of a 60-year-old man. All three cases presented at stage T4. Clinical follow-up was available in two cases; case 1 remained disease-free for 41 months post-treatment and case 3 died of disease 2 months after the diagnosis. CONCLUSIONS FHNC include a morphological spectrum of carcinomas with squamous features and may occur in different HN locations, such as parotid gland and the sinonasal tract. Sinonasal cases can harbour FGFR2 rearrangement with or without associated high-risk HPV. Timely recognition of FHNC could help select patients potentially amenable to targeted therapy with FGFR inhibitors. Further studies are needed (1) to determine if FGFR2 rearranged/HPV-positive sinonasal carcinomas are biologically distinct from HMSC, and (2) to elucidate the biological and clinical significance of FGFR2 rearrangement in the context of high-risk HPV.
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Affiliation(s)
- Ying-Hsia Chu
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Kerry Mullaney
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Sara E. DiNapoli
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Marc A. Cohen
- Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Bin Xu
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Ronald Ghossein
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Nora Katabi
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - Snjezana Dogan
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
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12
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Okenve-Ramos P, Gosling R, Chojnowska-Monga M, Gupta K, Shields S, Alhadyian H, Collie C, Gregory E, Sanchez-Soriano N. Neuronal ageing is promoted by the decay of the microtubule cytoskeleton. PLoS Biol 2024; 22:e3002504. [PMID: 38478582 PMCID: PMC10962844 DOI: 10.1371/journal.pbio.3002504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/25/2024] [Accepted: 01/17/2024] [Indexed: 03/26/2024] Open
Abstract
Natural ageing is accompanied by a decline in motor, sensory, and cognitive functions, all impacting quality of life. Ageing is also the predominant risk factor for many neurodegenerative diseases, including Parkinson's disease and Alzheimer's disease. We need to therefore gain a better understanding of the cellular and physiological processes underlying age-related neuronal decay. However, gaining this understanding is a slow process due to the large amount of time required to age mammalian or vertebrate animal models. Here, we introduce a new cellular model within the Drosophila brain, in which we report classical ageing hallmarks previously observed in the primate brain. These hallmarks include axonal swellings, cytoskeletal decay, a reduction in axonal calibre, and morphological changes arising at synaptic terminals. In the fly brain, these changes begin to occur within a few weeks, ideal to study the underlying mechanisms of ageing. We discovered that the decay of the neuronal microtubule (MT) cytoskeleton precedes the onset of other ageing hallmarks. We showed that the MT-binding factors Tau, EB1, and Shot/MACF1, are necessary for MT maintenance in axons and synapses, and that their functional loss during ageing triggers MT bundle decay, followed by a decline in axons and synaptic terminals. Furthermore, genetic manipulations that improve MT networks slowed down the onset of neuronal ageing hallmarks and confer aged specimens the ability to outperform age-matched controls. Our work suggests that MT networks are a key lesion site in ageing neurons and therefore the MT cytoskeleton offers a promising target to improve neuronal decay in advanced age.
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Affiliation(s)
- Pilar Okenve-Ramos
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Rory Gosling
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Monika Chojnowska-Monga
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Kriti Gupta
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Samuel Shields
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Haifa Alhadyian
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Ceryce Collie
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Emilia Gregory
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Natalia Sanchez-Soriano
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
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13
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Hosseini A, Lindholm HT, Chen R, Mehdipour P, Marhon SA, Ishak CA, Moore PC, Classon M, Di Gioacchino A, Greenbaum B, De Carvalho DD. Retroelement decay by the exonuclease XRN1 is a viral mimicry dependency in cancer. Cell Rep 2024; 43:113684. [PMID: 38261511 DOI: 10.1016/j.celrep.2024.113684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/31/2023] [Accepted: 01/03/2024] [Indexed: 01/25/2024] Open
Abstract
Viral mimicry describes the immune response induced by endogenous stimuli such as double-stranded RNA (dsRNA) from endogenous retroelements. Activation of viral mimicry has the potential to kill cancer cells or augment anti-tumor immune responses. Here, we systematically identify mechanisms of viral mimicry adaptation associated with cancer cell dependencies. Among the top hits is the RNA decay protein XRN1 as an essential gene for the survival of a subset of cancer cell lines. XRN1 dependency is mediated by mitochondrial antiviral signaling protein and protein kinase R activation and is associated with higher levels of cytosolic dsRNA, higher levels of a subset of Alus capable of forming dsRNA, and higher interferon-stimulated gene expression, indicating that cells die due to induction of viral mimicry. Furthermore, dsRNA-inducing drugs such as 5-aza-2'-deoxycytidine and palbociclib can generate a synthetic dependency on XRN1 in cells initially resistant to XRN1 knockout. These results indicate that XRN1 is a promising target for future cancer therapeutics.
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Affiliation(s)
- Amir Hosseini
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7DQ, UK
| | - Håvard T Lindholm
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Pathology, Oslo University Hospital-Rikshospitalet, 0372 Oslo, Norway
| | - Raymond Chen
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Parinaz Mehdipour
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7DQ, UK
| | - Sajid A Marhon
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Charles A Ishak
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Paul C Moore
- Pfizer Centers for Therapeutic Innovation, South San Francisco, CA 94080, USA
| | - Marie Classon
- Pfizer Centers for Therapeutic Innovation, South San Francisco, CA 94080, USA
| | - Andrea Di Gioacchino
- Laboratoire de Physique de l'Ecole Normale Supérieure, PSL & CNRS UMR8063, Sorbonne Université, Université de Paris, Paris, France
| | - Benjamin Greenbaum
- Physiology, Biophysics & Systems Biology, Weill Cornell Medicine, Weill Cornell Medical College, New York, NY 10065, USA; Computational Oncology, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Daniel D De Carvalho
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada.
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14
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Qu H, Liang Y, Guo Q, Lu L, Yang Y, Xu W, Zhang Y, Qin Y. Identifying CTH and MAP1LC3B as ferroptosis biomarkers for prognostic indication in gastric cancer decoding. Sci Rep 2024; 14:4352. [PMID: 38388661 PMCID: PMC10883967 DOI: 10.1038/s41598-024-54837-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/17/2024] [Indexed: 02/24/2024] Open
Abstract
Gastric cancer (GC), known for its high incidence and poor prognosis, urgently necessitates the identification of reliable prognostic biomarkers to enhance patient outcomes. We scrutinized data from 375 GC patients alongside 32 non-cancer controls, sourced from the TCGA database. A univariate Cox Proportional Hazards Model (COX) regression was employed to evaluate expressions of ferroptosis-related genes. This was followed by the application of Least Absolute Shrinkage and Selection Operator (LASSO) and multivariate COX regression for the development of prognostic models. The composition of immune cell subtypes was quantified utilizing CIBERSORT, with their distribution in GC versus control samples being comparatively analyzed. Furthermore, the correlation between the expressions of Cystathionine Gamma-Lyase (CTH) and Microtubule Associated Protein 1 Light Chain 3 Beta (MAP1LC3B) and the abundance of immune cell subtypes was explored. Our bioinformatics findings underwent validation through immunohistochemical analysis. Our prognostic models integrated CTH and MAP1LC3B. Survival analysis indicated that patients categorized as high-risk, as defined by the model, exhibited significantly lower survival rates compared to their low-risk counterparts. Notably, CTH expression inversely correlated with monocyte levels, while MAP1LC3B expression showed an inverse relationship with the abundance of M2 macrophages. Immunohistochemical validation corroborated lower expressions of CTH and MAP1LC3B in GC tissues relative to control samples, in concordance with our bioinformatics predictions. Our study suggests that the dysregulation of CTH, MAP1LC3B, and the accompanying monocyte-macrophage dynamics could be pivotal in the prognosis of GC. These elements present potential targets for prognostic assessment and therapeutic intervention.
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Affiliation(s)
- Haishun Qu
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yunxiao Liang
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Quan Guo
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Ling Lu
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yanwei Yang
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Weicheng Xu
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yitian Zhang
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yijue Qin
- Guangxi Academy of Medical Sciences, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China.
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15
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Liao LX, Zhang M, Xu X, Zhang S, Guo YZ. SPC25 Functions as a Prognostic-Related Biomarker, and Its High Expression Correlates with Tumor Immune Infiltration and UCEC Progression. FRONT BIOSCI-LANDMRK 2024; 29:69. [PMID: 38420826 DOI: 10.31083/j.fbl2902069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Most tumor tissues expressed spindle pole body component 25 (SPC25), one of the four subunits of the NDC80 complex, at greater levels compared to surrounding normal tissues. According to earlier researches, this subunit strongly encouraged tumor cell proliferation and tumor growth, which resulted in worse prognoses in patients with hepatocellular, breast, lung, and prostate cancer. Precisely because SPC25's role in uterine corpus endometrial carcinoma (UCEC) is understudied, we chose to concentrate on UCEC for gaining a more scientific and thorough understanding of SPC25. METHODS Along with examining SPC25's differential expression, prognostic significance, and biological function in UCEC, our research sought to clarify the underlying mechanism by which SPC25 influences the course of UCEC and patient prognosis from the viewpoints of methylation and immune infiltration. RESULTS We observed differential expression of SPC25 gene in different clinicopathological features of UCEC and identified SPC25 as a hazard factor for poorer overall survival (OS), disease-specific survival (DSS), and progress free interval (PFI) in UCEC, particularly in its multiple clinical subtypes. In addition, we also discovered that SPC25 and its co-expressed genes mostly engaged in biological processes and signal transduction routes linked to cell cycle and cell division in UCEC. After investigating SPC25's methylation status, we discovered that patients with UCEC had elevated SPC25 expression and a poor prognosis due to hypomethylation of CpG sites in the SPC25 gene sequence. Finally, we investigated SPC25's potential role in immunotherapy and discovered that SPC25 might alter the major immune cell infiltration levels in the tumor microenvironment (TME) by regulating the expression of immunoregulatory molecules and chemokines, which would be beneficial for SPC25 to control the progression of UCEC. CONCLUSIONS In conclusion, SPC25 was a useful predictive biomarker as well as a possible therapeutic target for UCEC.
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Affiliation(s)
- Li-Xin Liao
- Department of Gynecology, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China
| | - Meng Zhang
- Department of Gynecology, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China
| | - Xin Xu
- Department of Gynecology, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China
| | - Shan Zhang
- Department of Gynecology, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China
| | - Yu-Zhen Guo
- Department of Gynecology, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China
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Wu Y, Chen W, Miao H, Xu T. SIRT7 promotes the proliferation and migration of anaplastic thyroid cancer cells by regulating the desuccinylation of KIF23. BMC Cancer 2024; 24:210. [PMID: 38360598 PMCID: PMC10870498 DOI: 10.1186/s12885-024-11965-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 02/06/2024] [Indexed: 02/17/2024] Open
Abstract
OBJECTIVE This study was designed to investigate the regulatory effects of kinesin family member (KIF) 23 on anaplastic thyroid cancer (ATC) cell viability and migration and the underlying mechanism. METHODS Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was used to analyze the levels of KIF23 in ATC cells. Besides, the effects of KIF23 and sirtuin (SIRT) 7 on the viability and migration of ATC cells were detected using cell counting kit-8, transwell and wound healing assays. The interaction between SIRT7 and KIF23 was evaluated by co-immunoprecipitation (Co-IP) assay. The succinylation (succ) of KIF23 was analyzed by western blot. RESULTS The KIF23 expression was upregulated in ATC cells. Silencing of KIF23 suppressed the viability and migration of 8505C and BCPAP cells. The KIF23-succ level was decreased in ATC cells. SIRT7 interacted with KIF23 to inhibit the succinylation of KIF23 at K537 site in human embryonic kidney (HEK)-293T cells. Overexpression of SIRT7 enhanced the protein stability of KIF23 in HEK-293T cells. Besides, overexpression of KIF23 promoted the viability and migration of 8505C and BCPAP cells, which was partly blocked by silenced SIRT7. CONCLUSIONS SIRT7 promoted the proliferation and migration of ATC cells by regulating the desuccinylation of KIF23.
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Affiliation(s)
- Yongkang Wu
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, No. 57, South Renmindadao, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - Weijie Chen
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, No. 57, South Renmindadao, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - Huilai Miao
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Tuo Xu
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, No. 57, South Renmindadao, Xiashan District, Zhanjiang, Guangdong, 524001, China.
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Xia X, Ge Y, Ge F, Gu P, Liu Y, Li P, Xu P. MAP4 acts as an oncogene and prognostic marker and affects radioresistance by mediating epithelial-mesenchymal transition in lung adenocarcinoma. J Cancer Res Clin Oncol 2024; 150:88. [PMID: 38341398 PMCID: PMC10858930 DOI: 10.1007/s00432-024-05614-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 01/07/2024] [Indexed: 02/12/2024]
Abstract
PURPOSE To explore the effect of microtubule-associated protein 4 (MAP4) on lung adenocarcinoma cells in vitro and evaluate its prognostic value. Radioresistance, indicated by reduced efficiency of radiotherapy, is a key factor in treatment failure in lung adenocarcinoma (LADC). This study aims to explore the primary mechanism underlying the relationship between MAP4 and radiation resistance in lung adenocarcinoma. METHODS We analysed the expression of MAP4 in lung adenocarcinoma by real-time quantitative polymerase chain reaction (RT‒qPCR), immunohistochemistry (IHC) and bioinformatics online databases, evaluated the prognostic value of MAP4 in lung adenocarcinoma and studied its relationship with clinicopathological parameters. Cox regression analysis and least absolute shrinkage and selection operator (LASSO) regression analysis identified independent prognostic factors associated with lung adenocarcinoma that were used to construct a nomogram, internal validation was performed. We then evaluated the accuracy and clinical validity of the model using a receiver operating characteristic (ROC) curve, time-dependent C-index analysis, a calibration curve, and decision curve analysis (DCA). Scratch assays and transwell assays were used to explore the effect of MAP4 on the migration and invasion of lung adenocarcinoma cells. Bioinformatics analysis, RT‒qPCR, Cell Counting Kit-8 (CCK-8) assays and Western blot experiments were used to study the relationship between MAP4, epithelial-mesenchymal transition (EMT) and radiation resistance in lung adenocarcinoma. RESULTS MAP4 expression in lung adenocarcinoma tissues was significantly higher than that in adjacent normal lung tissues. High expression of MAP4 is associated with poorer overall survival (OS) in patients with lung adenocarcinoma. Univariate Cox regression analysis showed that pT stage, pN stage, TNM stage and MAP4 expression level were significantly associated with poorer OS in LADC patients. Multivariate Cox regression analysis and LASSO regression analysis showed that only the pT stage and MAP4 expression level were associated with LADC prognosis. The nomogram constructed based on the pT stage and MAP4 expression showed good predictive accuracy. ROC curves, corrected C-index values, calibration curves, and DCA results showed that the nomogram performed well in both the training and validation cohorts and had strong clinical applicability. The results of in vitro experiments showed that the downregulation of MAP4 significantly affected the migration and invasion of lung adenocarcinoma cells. MAP4 was strongly correlated with EMT-related markers. Further studies suggested that the downregulation of MAP4 can affect the viability of lung adenocarcinoma cells after irradiation and participate in the radiation resistance of lung adenocarcinoma cells by affecting EMT. CONCLUSION MAP4 is highly expressed in lung adenocarcinoma; it may affect prognosis by promoting the migration and invasion of cancer cells. We developed a nomogram including clinical factors and MAP4 expression that can be used for prognosis prediction in patients with lung adenocarcinoma. MAP4 participates in radiation resistance in lung adenocarcinoma by regulating the radiation-induced EMT process. MAP4 may serve as a biomarker for lung adenocarcinoma prognosis evaluation and as a new target for improving radiosensitivity.
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Affiliation(s)
- Xiaochun Xia
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China
| | - Yangyang Ge
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China
| | - Fanghong Ge
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China
| | - Pei Gu
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China
| | - Yuanyuan Liu
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China
| | - Peng Li
- Department of Radiation Oncology, Huaian Hospital of Huaian City, Huaian Cancer Hospital, Huaian, China.
| | - Pengqin Xu
- Department of Radiation Oncology, Nantong Tumor Hospital, Affiliated Tumor Hospital of Nantong University, Nantong, China.
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18
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Stein J, Krappe E, Kremer A, Cronauer MV, Essler M, Cox A, Klümper N, Krausewitz P, Ellinger J, Ritter M, Kristiansen G, Majores M. Expression of the microtubule-associated protein 2 (MAP2) as a potential independent prognostic marker in prostate cancer. J Cancer Res Clin Oncol 2024; 150:76. [PMID: 38310601 PMCID: PMC10838842 DOI: 10.1007/s00432-023-05579-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/10/2023] [Indexed: 02/06/2024]
Abstract
PURPOSE Investigation of Microtubuli-associated Protein 2 (MAP2) expression and its clinical relevance in prostate cancer. MATERIAL AND METHODS MAP2 expression was immunohistochemically analysed on radical prostatectomy specimens using whole block sections (n = 107) and tissue microarrays (TMA; n = 310). The staining intensity was evaluated for carcinoma, benign tissue and prostatic intraepithelial neoplasia. Expression data were correlated with clinicopathological parameters and biochemical recurrence-free survival. Additionally, MAP2 protein expression was quantitatively analysed in the serum of histologically confirmed prostate carcinoma patients and the control group using a commercial enzyme-linked immunosorbent assay. RESULTS MAP2 staining was significantly stronger in neoplastic tissue than in non-neoplastic prostatic glands, both in whole block sections (p < 0.01) and in TMA sections (p < 0.05). TMA data revealed significantly stronger MAP2 staining in high-grade tumors. Survival analysis showed a significant correlation between strong MAP2 staining in carcinoma and shortened biochemical recurrence-free survival after prostatectomy (p < 0.001). Multivariate Cox regression analysis confirmed MAP2 as an independent predictor for an unfavourable course. Mean MAP2 serum levels for non-PCA vs. PCA patients differed significantly (non-PCA = 164.7 pg/ml vs. PCA = 242.5 pg/ml, p < 0.001). CONCLUSION The present data support MAP2 as a novel biomarker in PCA specimens. MAP2 is correlated with tumor grade and MAP2 high-expressing PCA is associated with an increased risk of biochemical recurrence after radical prostatectomy. Future studies are necessary to evaluate MAP2 as a valuable immunohistochemical biomarker in preoperative PCA diagnostic procedures, in particular with regard to treatment modalities.
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Affiliation(s)
- Johannes Stein
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany.
| | - Eliana Krappe
- Institute of Pathology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Anika Kremer
- Institute of Pathology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Marcus V Cronauer
- Institute of Pathology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Markus Essler
- Department of Nuclear Medicine, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Alexander Cox
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Niklas Klümper
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Philipp Krausewitz
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Jörg Ellinger
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Manuel Ritter
- Department of Urology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Glen Kristiansen
- Institute of Pathology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Michael Majores
- Institute of Pathology, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
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Liu Y, He M, Ke X, Chen Y, Zhu J, Tan Z, Chen J. Centrosome amplification-related signature correlated with immune microenvironment and treatment response predicts prognosis and improves diagnosis of hepatocellular carcinoma by integrating machine learning and single-cell analyses. Hepatol Int 2024; 18:108-130. [PMID: 37154991 DOI: 10.1007/s12072-023-10538-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/08/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND Centrosome amplification is a well-recognized oncogenic driver of tumor initiation and progression across a variety of malignancies and has been linked with tumor aggressiveness, metastasis, and adverse prognosis. Nevertheless, the significance of centrosome amplification in HCC is not well understood. METHODS The TCGA dataset was downloaded for centrosome amplification-related signature construction using the LASSO-penalized Cox regression algorithm, while the ICGC dataset was obtained for signature validation. Single-cell RNA sequencing from GSE149614 was analyzed to profile gene expression and the liver tumor niche. RESULTS A total of 134 centrosome amplification-related prognostic genes in HCC were detected and 6 key prognostic genes (SSX2IP, SPAG4, SAC3D1, NPM1, CSNK1D, and CEP55) among them were screened out to construct a signature with both high sensitivity and specificity in diagnosis and prognosis of HCC patients. The signature, as an independent factor, was associated with frequent recurrences, high mortality rates, advanced clinicopathologic features, and high vascular invasions. Moreover, the signature was intimately associated with cell cycle-related pathways and TP53 mutation profile, suggesting its underlying role in accelerating cell cycle progression and leading to liver cancer development. Meanwhile, the signature was also closely correlated with immunosuppressive cell infiltration and immune checkpoint expression, making it a vital immunosuppressive factor in the tumor microenvironment. Upon single-cell RNA sequencing, SSX2IP and SAC3D1 were found to be specially expressed in liver cancer stem-like cells, where they promoted cell cycle progression and hypoxia. CONCLUSIONS This study provided a direct molecular link of centrosome amplification with clinical characteristics, tumor microenvironment, and clinical drug-response, highlighting the critical role of centrosome amplification in liver cancer development and therapy resistance, thereby providing valuable insights into prognostic prediction and therapeutic response of HCC.
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Affiliation(s)
- Yanli Liu
- Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy & Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumour Microenvironment, Department of Oncology & Translational Medicine Center, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
- Central Laboratory, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, Guangdong, People's Republic of China
| | - Min He
- Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy & Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumour Microenvironment, Department of Oncology & Translational Medicine Center, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
- Central Laboratory, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, Guangdong, People's Republic of China
| | - Xinrong Ke
- Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy & Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumour Microenvironment, Department of Oncology & Translational Medicine Center, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
- Central Laboratory, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, Guangdong, People's Republic of China
| | - Yuting Chen
- State Key Laboratory of Respiratory Disease, The Second Clinical Medical School, Guangzhou Medical University, Guangzhou, 510180, Guangdong, People's Republic of China
| | - Jie Zhu
- State Key Laboratory of Respiratory Disease, The Second Clinical Medical School, Guangzhou Medical University, Guangzhou, 510180, Guangdong, People's Republic of China
| | - Ziqing Tan
- State Key Laboratory of Respiratory Disease, The Second Clinical Medical School, Guangzhou Medical University, Guangzhou, 510180, Guangdong, People's Republic of China
| | - Jingqi Chen
- Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy & Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumour Microenvironment, Department of Oncology & Translational Medicine Center, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China.
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Hussain Y, Singh J, Meena A, Sinha RA, Luqman S. Escin-sorafenib synergy up-regulates LC3-II and p62 to induce apoptosis in hepatocellular carcinoma cells. Environ Toxicol 2024; 39:840-856. [PMID: 37853854 DOI: 10.1002/tox.23988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/20/2023]
Abstract
INTRODUCTION Hepatocellular carcinoma (HCC) is a common solid cancer and the leading cause of cancer deaths worldwide. Sorafenib is the first drug used to treat HCC but its effectiveness needs to be improved, and it is important to find ways to treat cancer that combine sorafenib with other drugs. Synergistic therapies lower effective drug doses and side effects while enhancing the anticancer effect. PURPOSE In the present study, the therapeutic potential of sorafenib in combination with escin and its underlying mechanism in targeting liver cancer has been established. STUDY DESIGN/METHODS The IC50 of sorafenib and escin against HepG2, PLC/PRF5 and Huh7 cell lines were determined using MTT assay. The combination index, dose reduction index, isobologram and concentrations producing synergy were evaluated using the Chou-Talaly algorithm. The sub-effective concentration of sorafenib and escin was selected to analyze cytotoxic synergistic potential. Cellular ROS, mitochondrial membrane potential, annexin V and cell cycle were evaluated using a flow-cytometer, and autophagy biomarkers were determined using western blotting. Moreover, autophagy was knocked down using ATG5 siRNA to confirm its role. A DEN-induced liver cancer rat model was developed to check the synergy of sorafenib and escin. RESULTS Different concentrations of escin reduced the IC50 of sorafenib in HepG2, PLC/PRF5 and Huh7 cell lines. Chou-Talaly algorithm determined cytotoxic synergistic concentrations of sorafenib and escin in these cell lines. Mechanistically, this combination over-expressed p62 and LC-II, reflecting autophagy block and induced late apoptosis, further reconfirmed by ATG5 knockdown. Sorafenib and escin combination reduced HCC serum biomarker α-feto protein (α-FP) by 1.5 folds. This combination restricted liver weight, tumor number and size, also, conserved morphological features of liver cells. The combination selectively targeted the G0 /G1 phase of cancer cells. CONCLUSION Escin and sorafenib combination potentially up-regulates p62 to block autophagy to induce late apoptosis in liver cancer cells.
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Affiliation(s)
- Yusuf Hussain
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Jyoti Singh
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Jawaharlal Nehru University, New Delhi, India
| | - Abha Meena
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Rohit Anthony Sinha
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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21
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Sun Z, Wang J, Zhang Q, Meng X, Ma Z, Niu J, Guo R, Tran LJ, Zhang J, Liu Y, Ye F, Ma B. Coordinating single-cell and bulk RNA-seq in deciphering the intratumoral immune landscape and prognostic stratification of prostate cancer patients. Environ Toxicol 2024; 39:657-668. [PMID: 37565774 DOI: 10.1002/tox.23928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/23/2023] [Accepted: 07/29/2023] [Indexed: 08/12/2023]
Abstract
INTRODUCTION Prostate cancer is a common cancer among male population. The aberrant expression of histone modifiers has been identified as a potential driving force in numerous cancer types. However, the mechanism of histone modifiers in the development of prostate cancer remains unknown. METHODS Expression profiles and clinical data were obtained from GSE70769, GSE46602, and GSE67980. Seruat R package was utilized to calculate the gene set enrichment of the histone modification pathway and obtain the Histone score. Least absolute shrinkage and selection operator (LASSO) and Cox regression analyses were employed to identify marker genes with prognostic value. Kaplan-Meier survival analysis was conducted to assess the efficacy of the prognostic model. In addition, microenvironment cell populations counter (MCPcounter), single-sample gene set enrichment analysis (ssGSEA), and xCell algorithms were employed for immune infiltration analysis. Drug sensitivity prediction was performed using oncoPredict R package. RESULTS We screened differentially expressed genes (DEGs) between Histone-high score (Histone-H) and Histone-low score (Histone-L) groups, which were enriched in RNA splicing and DNA-binding transcription factor binding pathways. We retained four prognostic marker genes, including TACC3, YWHAH, TAF1C and TTLL5. The risk model showed significant efficacy in stratification of the prognosis of prostate cancer patients in both internal and external cohorts (p < .0001 and p = .032, respectively). In addition, prognostic gene YWHAH was infiltrated in abundance of fibroblasts and highly correlated with Entinostat_1593 drug sensitivity score and the value of risk score. CONCLUSION We innovatively developed a histone modification-related prognostic model with high prognostic potency and identified YWHAH as possible diagnostic and therapeutic biomarkers for prostate cancer. It provides novel insights to address prostate cancer and enhance clinical outcomes, thereby opening up a new avenue for customized treatment alternatives.
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Affiliation(s)
- Zhou Sun
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Jie Wang
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
- Department of Urology, The Second People's Hospital of Meishan City, Meishan, Sichuan, China
| | - Qiang Zhang
- Department of Urology, The Second People's Hospital of Meishan City, Meishan, Sichuan, China
| | - Xiangdi Meng
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Zhaosen Ma
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Jiqiang Niu
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Rui Guo
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Lisa Jia Tran
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Jing Zhang
- Division of Basic Biomedical Sciences, The University of South Dakota Sanford School of Medicine, Vermillion, South Dakota, USA
| | - Yunfei Liu
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Fangdie Ye
- Fudan Institute of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Baoluo Ma
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
- Department of Urology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei, China
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Kaarijärvi R, Kaljunen H, Nappi L, Fazli L, Kung SHY, Hartikainen JM, Paakinaho V, Capra J, Rilla K, Malinen M, Mäkinen PI, Ylä-Herttuala S, Zoubeidi A, Wang Y, Gleave ME, Hiltunen M, Ketola K. DPYSL5 is highly expressed in treatment-induced neuroendocrine prostate cancer and promotes lineage plasticity via EZH2/PRC2. Commun Biol 2024; 7:108. [PMID: 38238517 PMCID: PMC10796342 DOI: 10.1038/s42003-023-05741-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 12/22/2023] [Indexed: 01/22/2024] Open
Abstract
Treatment-induced neuroendocrine prostate cancer (t-NEPC) is a lethal subtype of castration-resistant prostate cancer resistant to androgen receptor (AR) inhibitors. Our study unveils that AR suppresses the neuronal development protein dihydropyrimidinase-related protein 5 (DPYSL5), providing a mechanism for neuroendocrine transformation under androgen deprivation therapy. Our unique CRPC-NEPC cohort, comprising 135 patient tumor samples, including 55 t-NEPC patient samples, exhibits a high expression of DPYSL5 in t-NEPC patient tumors. DPYSL5 correlates with neuroendocrine-related markers and inversely with AR and PSA. DPYSL5 overexpression in prostate cancer cells induces a neuron-like phenotype, enhances invasion, proliferation, and upregulates stemness and neuroendocrine-related markers. Mechanistically, DPYSL5 promotes prostate cancer cell plasticity via EZH2-mediated PRC2 activation. Depletion of DPYSL5 decreases proliferation, induces G1 phase cell cycle arrest, reverses neuroendocrine phenotype, and upregulates luminal genes. In conclusion, DPYSL5 plays a critical role in regulating prostate cancer cell plasticity, and we propose the AR/DPYSL5/EZH2/PRC2 axis as a driver of t-NEPC progression.
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Affiliation(s)
- Roosa Kaarijärvi
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Heidi Kaljunen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Lucia Nappi
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Ladan Fazli
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Sonia H Y Kung
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Jaana M Hartikainen
- Institute of Clinical Medicine, Clinical Pathology and Forensic Medicine, University of Eastern Finland, Kuopio, Finland
| | - Ville Paakinaho
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Janne Capra
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Kirsi Rilla
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Marjo Malinen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Petri I Mäkinen
- A.I. Virtanen Institute, University of Eastern Finland, Kuopio, Finland
| | | | - Amina Zoubeidi
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Yuzhuo Wang
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
- BC Cancer Research Centre, Vancouver, BC, Canada
| | - Martin E Gleave
- The Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Mikko Hiltunen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Kirsi Ketola
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland.
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Liu XS, Zhang Y, Ming X, Hu J, Chen XL, Wang YL, Zhang YH, Gao Y, Pei ZJ. SPC25 as a novel therapeutic and prognostic biomarker and its association with glycolysis, ferroptosis and ceRNA in lung adenocarcinoma. Aging (Albany NY) 2024; 16:779-798. [PMID: 38217547 PMCID: PMC10817414 DOI: 10.18632/aging.205418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 12/04/2023] [Indexed: 01/15/2024]
Abstract
OBJECTIVE Spindle pole body component 25 (SPC25) is an important cyclin involved in chromosome segregation and spindle dynamics regulation during mitosis. However, the role of SPC25 in lung adenocarcinoma (LAUD) is unclear. MATERIALS AND METHODS The differential expression of SPC25 in tumor samples and normal samples was analyzed using TIMER, TCGA, GEO databases, and the correlation between its expression and clinicopathological features and prognosis in LUAD patients. Biological pathways that may be enriched by SPC25 were analyzed using GSEA. In vitro cell experiments were used to evaluate the effect of knocking down SPC25 expression on LUAD cells. Correlation analysis and differential analysis were used to assess the association of SPC25 expression with genes related to cell cycle, glycolysis, and ferroptosis. A ceRNA network involving SPC25 was constructed using multiple database analyses. RESULTS SPC25 was highly expressed in LUAD, and its expression level could guide staging and predict prognosis. GSEA found that high expression of SPC25 involved multiple cell cycles and glycolytic pathways. Knocking down SPC25 expression significantly affected the proliferation, migration and apoptosis of LUAD cells. Abnormal SPC25 expression levels can affect cell cycle progression, glycolytic ability and ferroptosis regulation. A ceRNA network containing SPC25, SNHG15/hsa-miR-451a/SPC25, was successfully predicted and constructed. CONCLUSIONS Our findings reveal the association of up-regulation of SPC25 in LUAD and its expression with clinical features, prognosis prediction, proliferation migration, cell cycle, glycolysis, ferroptosis, and ceRNA networks. Our results indicate that SPC25 can be used as a biomarker in LUAD therapy and a target for therapeutic intervention.
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Affiliation(s)
- Xu-Sheng Liu
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yu Zhang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Xing Ming
- Department of Infection Control, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Jian Hu
- Department of Critical Care Medicine, Danjiangkou First Hospital, Danjiangkou 420381, China
| | - Xuan-Long Chen
- Department of Medical Ultrasound, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Ya-Lan Wang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yao-Hua Zhang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yan Gao
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Zhi-Jun Pei
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
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Dos Santos Pacheco N, Tell I Puig A, Guérin A, Martinez M, Maco B, Tosetti N, Delgado-Betancourt E, Lunghi M, Striepen B, Chang YW, Soldati-Favre D. Sustained rhoptry docking and discharge requires Toxoplasma gondii intraconoidal microtubule-associated proteins. Nat Commun 2024; 15:379. [PMID: 38191574 PMCID: PMC10774369 DOI: 10.1038/s41467-023-44631-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/21/2023] [Indexed: 01/10/2024] Open
Abstract
In Apicomplexa, rhoptry discharge is essential for invasion and involves an apical vesicle (AV) docking one or two rhoptries to a macromolecular secretory apparatus. Toxoplasma gondii is armed with 10-12 rhoptries and 5-6 microtubule-associated vesicles (MVs) presumably for iterative rhoptry discharge. Here, we have addressed the localization and functional significance of two intraconoidal microtubule (ICMT)-associated proteins instrumental for invasion. Mechanistically, depletion of ICMAP2 leads to a dissociation of the ICMTs, their detachment from the conoid and dispersion of MVs and rhoptries. ICMAP3 exists in two isoforms that contribute to the control of the ICMTs length and the docking of the two rhoptries at the AV, respectively. This study illuminates the central role ICMTs play in scaffolding the discharge of multiple rhoptries. This process is instrumental for virulence in the mouse model of infection and in addition promotes sterile protection against T. gondii via the release of key effectors inducing immunity.
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Affiliation(s)
- Nicolas Dos Santos Pacheco
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Albert Tell I Puig
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Amandine Guérin
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Matthew Martinez
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Bohumil Maco
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Nicolò Tosetti
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Estefanía Delgado-Betancourt
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Matteo Lunghi
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Boris Striepen
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Yi-Wei Chang
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Institute of Structural Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Dominique Soldati-Favre
- Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
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Marghescu AȘ, Leonte DG, Radu AD, Măgheran ED, Tudor AV, Teleagă C, Țigău M, Georgescu L, Costache M. Atypical Histopathological Aspects of Common Types of Lung Cancer-Our Experience and Literature Review. Medicina (Kaunas) 2024; 60:112. [PMID: 38256374 PMCID: PMC10818882 DOI: 10.3390/medicina60010112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/01/2024] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
Lung cancer is among the most common oncological diseases regarding incidence and mortality, with most of these having epithelial origins. Pathological reporting of these tumors is conducted according to the 5th edition of the World Health Organisation (WHO) classification of thoracic tumours. This study aims to draw the pathologist's attention to four rare, atypical microscopic aspects that some of the most common types of lung malignancies reveal upon standard evaluation (hematoxylin-eosin stain) that make histopathological diagnosis challenging: acantholytic, pseudoangiosarcomatous, signet ring cell, and clear cell features. Each of these aspects was exemplified by a case diagnosed in the pathology department of the "Marius Nasta" Institute. Furthermore, we analyzed the classification dynamics of different WHO editions and used PubMed to review articles written in English and published in the last eleven years on this subject. Pathologists should be familiar with these unusual aspects to avoid misdiagnoses and to ensure the correct classification of tumors, which is extremely important because these tumor phenotypes have been associated with specific molecular alterations and a worse clinical evolution. There is a need to clarify the histogenesis and associated genetic mutations, given the fact that the rarity of these tumor phenotypes makes their study difficult. Some authors consider these to be overlapping entities; however, we do not encourage this, as they may exhibit different prognoses and various molecular alterations with important therapeutic implications. The signet ring cell feature was associated with ALK rearrangement in lung adenocarcinoma; thus, these patients can benefit from tailored therapy with ALK-tyrosine kinase inhibitors (ALK-TKI). Recent studies associated clear cell morphology with FGFR3-TACC3 fusion, suggesting that patients with this diagnosis may be potentially eligible for FGFR inhibitors. We described, for the first time, the pseudoangiosarcomatous pattern in a case of lung adenocarcinoma; to our knowledge this aspect has only been described until now in the context of squamous cell carcinomas.
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Affiliation(s)
- Angela-Ștefania Marghescu
- Research Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (A.D.R.); (C.T.); (M.Ț.); (L.G.)
- Pathology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | - Diana Gabriela Leonte
- Pathology Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (D.G.L.); (E.D.M.); (A.V.T.)
| | - Alexandru Daniel Radu
- Research Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (A.D.R.); (C.T.); (M.Ț.); (L.G.)
| | - Elena Doina Măgheran
- Pathology Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (D.G.L.); (E.D.M.); (A.V.T.)
| | - Adrian Vasilică Tudor
- Pathology Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (D.G.L.); (E.D.M.); (A.V.T.)
| | - Cristina Teleagă
- Research Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (A.D.R.); (C.T.); (M.Ț.); (L.G.)
| | - Mirela Țigău
- Research Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (A.D.R.); (C.T.); (M.Ț.); (L.G.)
| | - Livia Georgescu
- Research Department, “Marius Nasta” Institute of Pneumophthisiology, 050159 Bucharest, Romania; (A.D.R.); (C.T.); (M.Ț.); (L.G.)
| | - Mariana Costache
- Pathology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Pathology Department, University Emergency Hospital, 050098 Bucharest, Romania
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Baskerville V, Rapuri S, Mehlhop E, Coyne AN. SUN1 facilitates CHMP7 nuclear influx and injury cascades in sporadic amyotrophic lateral sclerosis. Brain 2024; 147:109-121. [PMID: 37639327 PMCID: PMC10766250 DOI: 10.1093/brain/awad291] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/16/2023] [Accepted: 08/07/2023] [Indexed: 08/31/2023] Open
Abstract
We have recently identified the aberrant nuclear accumulation of the ESCRT-III protein CHMP7 as an initiating event that leads to a significant injury to the nuclear pore complex (NPC) characterized by the reduction of specific nucleoporins from the neuronal NPC in sporadic amyotrophic lateral sclerosis (sALS) and C9orf72 ALS/frontotemporal dementia (FTD)-induced pluripotent stem cell-derived neurons (iPSNs), a phenomenon also observed in post-mortem patient tissues. Importantly, this NPC injury is sufficient to contribute to TDP-43 dysfunction and mislocalization, a common pathological hallmark of neurodegenerative diseases. However, the molecular mechanisms and events that give rise to increased nuclear translocation and/or retention of CHMP7 to initiate this pathophysiological cascade remain largely unknown. Here, using an iPSN model of sALS, we demonstrate that impaired NPC permeability barrier integrity and interactions with the LINC complex protein SUN1 facilitate CHMP7 nuclear localization and the subsequent 'activation' of NPC injury cascades. Collectively, our data provide mechanistic insights in the pathophysiological underpinnings of ALS/FTD and highlight SUN1 as a potent contributor to and modifier of CHMP7-mediated toxicity in sALS pathogenesis.
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Affiliation(s)
- Victoria Baskerville
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Brain Science Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Sampath Rapuri
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Brain Science Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Emma Mehlhop
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Brain Science Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Alyssa N Coyne
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Brain Science Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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Abdul-Rahman T, Ghosh S, Kalmanovich JB, Awuah AW, Zivcevska M, Khalifa S, Bassey EE, Ali NA, Ferreira MMDS, Umar TP, Garg N, Nweze VN, Inturu VSS, Abdelwahab MM, Kurian S, Alexiou A, Alfaleh M, Alqurashi TMA, Ashraf GM. The role of membrane trafficking and retromer complex in Parkinson's and Alzheimer's disease. J Neurosci Res 2024; 102:e25261. [PMID: 38284858 DOI: 10.1002/jnr.25261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/16/2023] [Accepted: 10/03/2023] [Indexed: 01/30/2024]
Abstract
Membrane trafficking is a physiological process encompassing different pathways involved in transporting cellular products across cell membranes to specific cell locations via encapsulated vesicles. This process is required for cells to mature and function properly, allowing them to adapt to their surroundings. The retromer complex is a complex composed of nexin proteins and peptides that play a vital role in the endosomal pathway of membrane trafficking. In humans, any interference in normal membrane trafficking or retromer complex can cause profound changes such as those seen in neurodegenerative disorders such as Alzheimer's and Parkinson's. Several studies have explored the potential causative mechanisms in developing both disease processes; however, the role of retromer trafficking in their pathogenesis is becoming increasingly significant with promising therapeutic applications. This manuscript describes the processes involved in membrane transport and the roles of the retromer in the onset and progression of Alzheimer's and Parkinson's. Moreover, we will also explore how these aberrant mechanisms may serve as possible avenues for treatment development in both diseases and the prospect of its future application.
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Affiliation(s)
| | - Shankhaneel Ghosh
- Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan, Bhubaneswar, India
| | | | | | - Marija Zivcevska
- Liberty University College of Osteopathic Medicine, Lynchburg, Virginia, USA
| | - Samar Khalifa
- Clinical Psychology Department, Faculty of Arts, Kafrelsheikh University, Kafr Elsheikh, Egypt
| | | | | | | | - Tungki Pratama Umar
- UCL Centre for Nanotechnology and Regenerative Medicine, Division of Surgery and Interventional Science, University College London, London, UK
| | - Neil Garg
- Rowan-Virtua School of Osteopathic Medicine, One Medical Center Drive Stratford, Stratford, New Jersey, USA
| | | | | | | | | | - Athanasios Alexiou
- Department of Science and Engineering, Novel Global Community Educational Foundation, Hebersham, New South Wales, Australia
- AFNP Med, Wien, Austria
| | - Mohammed Alfaleh
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Thamer M A Alqurashi
- Department of Pharmacology, Medical College, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Ghulam Md Ashraf
- Department of Medical Laboratory Sciences, College of Health Sciences, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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Suber Y, Spiliotis ET. Reconstitution of Neuronal Motor Traffic on Septin-Associated Microtubules. Methods Mol Biol 2024; 2794:79-94. [PMID: 38630222 DOI: 10.1007/978-1-0716-3810-1_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Reconstitution of intracellular transport in cell-free in vitro assays enables the understanding and dissection of the molecular mechanisms that underlie membrane traffic. Using total internal reflection fluorescence (TIRF) microscopy and microtubules, which are immobilized to a functionalized glass surface, the kinetic properties of single kinesin molecules can be imaged and analyzed in the presence or absence of microtubule-associated proteins. Here, we describe methods for the in vitro reconstitution of the motility of the neuronal kinesin motor KIF1A on microtubules associated with heteromeric septin (SEPT2/6/7) complexes. This method can be adapted for various neuronal septin complexes and kinesin motors, leading to new insights into the spatial regulation of neuronal membrane traffic by microtubule-associated septins.
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Affiliation(s)
- Yani Suber
- Department of Biology, Drexel University, Philadelphia, PA, USA
| | - Elias T Spiliotis
- Department of Biology, Drexel University, Philadelphia, PA, USA.
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA, USA.
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Wang QY, Liu YJ, Hu Y, Xiao H, Xia LL, Wu YG. Prognostic and immune roles of UROC1 in human cancers: from mechanism exploration of NAFLD and HCC to pan-cancer analysis. Eur Rev Med Pharmacol Sci 2024; 28:622-644. [PMID: 38305606 DOI: 10.26355/eurrev_202401_35059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
OBJECTIVE Both non-alcoholic fatty liver disease (NAFLD) and hepatocellular carcinoma (HCC) are prevalent diseases worldwide. This study aimed to explore the underlying mechanisms of NAFLD and HCC and identify new therapeutic targets for human cancers. MATERIALS AND METHODS NAFLD and HCC gene expression profiles were obtained from the Gene Expression Omnibus (GEO) database. Differentially expressed genes (DEGs) and weighted gene co-expression network analysis (WGCNA) were utilized to identify co-expressed genes associated with NAFLD and HCC. Public databases were consulted to find common targets of NAFLD and HCC. Enrichment analysis and CIBERSORT techniques were employed to analyze the pathways enriched with DEGs and the attributes of infiltrating immune cells. Furthermore, the expression data of UROC1 and clinical information of patients were acquired from The Cancer Genome Atlas (TCGA) database. Finally, the expression of the UROC1 was validated by immunohistochemistry (IHC). RESULTS Through a comprehensive bioinformatics analysis, eight hub genes (CCL2, CCR2, IL6, CSF3R, ATL2, SESN3, UROC1, FIGNL1) were identified. Enrichment analysis indicated that inflammatory and immune response may be common features between NAFLD and HCC. CIBER-SORT analysis revealed an imbalance of plasma cells and macrophages in NAFLD and HCC. Pan-cancer analysis demonstrated that UROC1 expression was related to clinical outcomes and tumor immunity in various cancers. Moreover, a strong correlation was exhibited between UROC1 expression and crucial elements, including tumor mutation burden (TMB), microsatellite instability (MSI), multiple immune checkpoints (ICP), and tumor microenvironment (TME). Importantly, an adverse clinical prognosis of HCC was linked to decreased UROC1 expression, which was consistent with IHC results. CONCLUSIONS We identified eight hub genes (CCL2, CCR2, IL6, CSF3R, ATL2, SESN3, UROC1, FIGNL1), which may become early diagnostic and therapeutic targets for NAFLD and HCC. The pan-cancer analysis of UROC1 provides new evidence for its broad application prospects in the field of HCC and other cancers.
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Affiliation(s)
- Q-Y Wang
- Department of Infections Disease, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
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Beaumont JEJ, Ju J, Barbeau LMO, Demers I, Savelkouls KG, Derks K, Bouwman FG, Wauben MHM, Zonneveld MI, Keulers TGH, Rouschop KMA. GABARAPL1 is essential in extracellular vesicle cargo loading and metastasis development. Radiother Oncol 2024; 190:109968. [PMID: 37898438 DOI: 10.1016/j.radonc.2023.109968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/04/2023] [Accepted: 10/22/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND AND PURPOSE Hypoxia is a common feature of tumours, associated with poor prognosis due to increased resistance to radio- and chemotherapy and enhanced metastasis development. Previously we demonstrated that GABARAPL1 is required for the secretion of extracellular vesicles (EV) with pro-angiogenic properties during hypoxia. Here, we explored the role of GABARAPL1+ EV in the metastatic cascade. MATERIALS AND METHODS GABARAPL1 deficient or control MDA-MB-231 cells were injected in murine mammary fat pads. Lungs were dissected and analysed for human cytokeratin 18. EV from control and GABARAPL1 deficient cells exposed to normoxia (21% O2) or hypoxia (O2 < 0.02%) were isolated and analysed by immunoblot, nanoparticle tracking analysis, high resolution flow cytometry, mass spectrometry and next-generation sequencing. Cellular migration and invasion were analysed using scratch assays and transwell-invasion assays, respectively. RESULTS The number of pulmonary metastases derived from GABARAPL1 deficient tumours decreased by 84%. GABARAPL1 deficient cells migrate slower but display a comparable invasive capacity. Both normoxic and hypoxic EV contain proteins and miRNAs associated with metastasis development and, in line, increase cancer cell invasiveness. Although GABARAPL1 deficiency alters EV content, it does not alter the EV-induced increase in cancer cell invasiveness. CONCLUSION GABARAPL1 is essential for metastasis development. This is unrelated to changes in migration and invasion and suggests that GABARAPL1 or GABARAPL1+ EV are essential in other processes related to the metastatic cascade.
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Affiliation(s)
- Joel E J Beaumont
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jinzhe Ju
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Lydie M O Barbeau
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Imke Demers
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands; Department of Pathology, GROW-School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kim G Savelkouls
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kasper Derks
- Department of Clinical Genetics, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Freek G Bouwman
- Department of Human Biology, NUTRIM - School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Marca H M Wauben
- Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Marijke I Zonneveld
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tom G H Keulers
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kasper M A Rouschop
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands.
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Guo P, Niu Z, Zhang D, Zhao F, Li J, Lu T, Qin X, Liu S, Li Z, Li Y, Li S. Potential impact of cuproptosis-related genes on tumor immunity in esophageal carcinoma. Aging (Albany NY) 2023; 15:15535-15556. [PMID: 38159255 PMCID: PMC10781504 DOI: 10.18632/aging.205391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/07/2023] [Indexed: 01/03/2024]
Abstract
Cuproptosis involves a direct interaction with the tricarboxylic acid (TCA) lipid acylation components. This process intricately intersects with post-transcriptional lipid acylation (LA) and is linked to mitochondrial respiration and LA metabolism. Copper ions form direct bonds with acylated DLAT, promoting DLAT oligomerization, reducing Fe-S cluster proteins, and inducing a protein-triggered toxic stress response that culminates in cell demise. Simultaneously, the importance of immune contexture in cancer progression and treatment has significantly increased. We assessed the expression of cuproptosis-related genes (CRGs) across TCGA and validated our findings using the GEO data. Consensus clustering divided esophageal cancer (ESCA) patients into two clusters based on the expression of 7 CRGs. We evaluated the expression of immune checkpoint inhibitor (ICI) targets and calculated the elevated tumor mutational burden (TMB). Weighted gene co-expression network analysis (WGCNA) identified genes associated with the expression of CRGs and immunity. Cluster 1 exhibited increased immune infiltration, higher expression of ICI targets, higher TMB, and a higher incidence of deficiency in mismatch repair-microsatellite instability-high status. WGCNA analysis identified 14 genes associated with the expression of CRGs and immune scores. ROC analysis revealed specific hub genes with strong predictive capabilities. The expression levels of SLC6A3, MITD1, and PDHA1 varied across different pathological stages; CCS, LIPT2, PDHB, and PDHA1 showed variation in response to radiation therapy; MITD1 and PDHA1 exhibited differences related to the pathological M stages of ESCA. CRGs influence the immune contexture and can potentially transform cold tumors into hot tumors in ESCA patients.
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Affiliation(s)
- Pengfei Guo
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- Graduate school of Hebei Medical University, Shijiazhuang, China
| | - Zemiao Niu
- Graduate school of Hebei Medical University, Shijiazhuang, China
| | - Dengfeng Zhang
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- Graduate school of Hebei Medical University, Shijiazhuang, China
| | - Fangchao Zhao
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- Graduate school of Hebei Medical University, Shijiazhuang, China
| | - Jing Li
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- Graduate school of Hebei Medical University, Shijiazhuang, China
| | - Tianxing Lu
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xuebo Qin
- Department of Thoracic Surgery, Hebei Chest Hospital, Shijiazhuang, China
| | - Shiquan Liu
- Department of Thoracic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, China
| | - Zhirong Li
- Clinical Laboratory Center, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yishuai Li
- Department of Thoracic Surgery, Hebei Chest Hospital, Shijiazhuang, China
| | - Shujun Li
- Department of Thoracic Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
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Semjid D, Ahn H, Bayarmagnai S, Gantumur M, Kim S, Lee JH. Identification of novel candidate genes associated with non-syndromic tooth agenesis in Mongolian families. Clin Oral Investig 2023; 28:56. [PMID: 38157055 PMCID: PMC10756872 DOI: 10.1007/s00784-023-05415-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 11/27/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVES This study aimed to identify genetic variants associated with non-syndromic tooth agenesis (TA) in nine families from Mongolia using whole-exome sequencing (WES) and bioinformatics analysis. MATERIAL AND METHODS The study enrolled 41 participants, including three inherited and six non-inherited families. WES analysis was performed on 14 saliva samples from individuals with non-syndromic TA. The potential candidate genes were identified through variant filtering and segregation analysis. The filtered variants were then analyzed in silico mutation impact analysis. RESULTS WES analysis identified 21 variants associated with TA, and 5 of these variants met all filtering criteria. These variants were located in the exome region of MAST4, ITGA6, PITX2, CACNA1S, and CDON genes. The variant in PITX2 was found in eight participants from inherited and non-inherited families, while the MAST4 variant was identified in 6 participants from inherited families. CONCLUSIONS The study identified various genetic variant candidates associated with TA in different family groups, with PITX2 being the most commonly identified. Our findings suggest that MAST4 may also be a novel candidate gene for TA due to its association with the Wnt signaling pathway. Additionally, we found that five candidate genes related to focal adhesion and calcium channel complex were significant and essential in tooth development. CLINICAL RELEVANCE Identifying new pathogenic genes associated with TA can improve our understanding of the molecular mechanisms underlying the disease, leading to better diagnosis, prevention, and treatment. Early detection of TA based on biomarkers can improve dental management and facilitate orthodontic and prosthetic treatment.
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Affiliation(s)
- Dejidnorov Semjid
- Department of Prosthodontics, College of Dentistry at Yonsei University, 50-1 Yonsei-Ro, Seodaemoon-Gu, Seoul, 120-752, Republic of Korea
| | - Hyunsoo Ahn
- Department of Life Sciences, Pohang University of Science and Technology, 80 Jigok-Ro, Nam-Gu, Pohang, 790-784, Republic of Korea
| | - Sapaar Bayarmagnai
- Department of Prosthodontics, School of Dentistry, Mongolian National University of Medical Sciences, Chingeltei District, Nuuriin 2-21, Ulaanbaatar, Mongolia
| | - Munkhjargal Gantumur
- Department of Prosthodontics, School of Dentistry, Mongolian National University of Medical Sciences, Chingeltei District, Nuuriin 2-21, Ulaanbaatar, Mongolia
| | - Sanguk Kim
- Department of Life Sciences, Pohang University of Science and Technology, 80 Jigok-Ro, Nam-Gu, Pohang, 790-784, Republic of Korea.
| | - Jae Hoon Lee
- Department of Prosthodontics, College of Dentistry at Yonsei University, 50-1 Yonsei-Ro, Seodaemoon-Gu, Seoul, 120-752, Republic of Korea.
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Chen W, Caiyun L, Yang Y, Xinwei H, Nan L, Jiaming Y, Huirong Y, Kai W, Liucheng Y. Circular RNA MTCL1 targets SMAD3 by sponging miR-145-5p for regulation of cell proliferation and migration in Hirschsprung's disease. Pediatr Surg Int 2023; 40:25. [PMID: 38127107 DOI: 10.1007/s00383-023-05621-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Hirschsprung's disease (HSCR) is a congenital disorder resulting from abnormal development of the enteric nervous system (ENS). Given the complexity of its pathogenesis, it is important to investigate the role of epigenetic inheritance in its development. As Circ-MTCL1 is abundant in brain tissue and colon tissue, whether it has a significant part in the development of ENS is worth exploring. This study clarifies its role in HSCR and identifies the specific molecular mechanisms involved. METHODS Diseased and dilated segment colon tissues diagnosed as HSCR were collected for the assessment of gene expression levels using RT-PCR. EdU and CCK-8 assays were adopted to evaluate cell proliferation, and Transwell assay was adopted to assess cell migration. The interaction between Circ-MTCL1, miR-145-5p and SMAD3 was confirmed by dual luciferase reporter gene analysis, RT-PCR and Western blotting. RESULTS Circ-MTCL1 was down-regulated in the aganglionic colon tissues. The decreased expression of Circ-MTCL1 associated with a reduction in cell migration and proliferation. Bioinformatics analysis and cellular experiments confirmed its role might have been associated with the inhibition of miR-145-5p. MiR-145-5p was up-regulated in HSCR diseased segment colon tissues, exhibiting a negative correlation with Circ-MTCL1. Overexpression of miR-145-5p reversed the inhibition of cell migration and proliferation associated with Circ-MTCL1 down-regulation. The expression of SMAD3 was inhibited by miR-145-5p. The overexpression of SMAD3 eliminated the miR-145-5p-associated inhibition of cell migration and proliferation. Overexpression of miR-145-5p reversed the inhibitory effects of Circ-MTCL1 down-regulation-associated inhibition of cell migration and proliferation, while suppressing SMAD3 expression. Conversely, overexpression of SMAD3 counteracted the miR-145-5p-associated inhibition of cell migration and proliferation. CONCLUSIONS Circ-MTCL1 may function as a miR-145-5p sponge, regulating the expression of SMAD3 and influencing cell migration and proliferation, thus participating in the development of HSCR.
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Affiliation(s)
- Wang Chen
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Luo Caiyun
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Yang Yang
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Hou Xinwei
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Li Nan
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Yang Jiaming
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Yang Huirong
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Wu Kai
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China.
| | - Yang Liucheng
- Department of Pediatric Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, China.
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Kondapuram SK, Ramachandran HK, Arya H, Coumar MS. Targeting survivin for cancer therapy: Strategies, small molecule inhibitors and vaccine based therapeutics in development. Life Sci 2023; 335:122260. [PMID: 37963509 DOI: 10.1016/j.lfs.2023.122260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/07/2023] [Accepted: 11/07/2023] [Indexed: 11/16/2023]
Abstract
Survivin is a member of the family of inhibitors of apoptosis proteins (IAPs). It is involved in the normal mitotic process and acts as an anti-apoptotic molecule. While terminally differentiated normal tissues lack survivin, several human malignancies have significant protein levels. Resistance to chemotherapy and radiation in tumor cells is associated with survivin expression. Decreased tumor development, apoptosis, and increased sensitivity to chemotherapy and radiation are all effects of downregulating survivin expression or activity. As a prospective cancer treatment, small molecules targeting the transcription and translation of survivin and molecules that can directly bind with the survivin are being explored both in pre-clinical and clinics. Pre-clinical investigations have found and demonstrated the effectiveness of several small-molecule survivin inhibitors. Unfortunately, these inhibitors have also been shown to have off-target effects, which could limit their clinical utility. In addition to small molecules, several survivin peptide vaccines are currently under development. These vaccines are designed to elicit a cytotoxic T-cell response against survivin, which could lead to the destruction of tumor cells expressing survivin. Some survivin-based vaccines are advancing through Phase II clinical studies. Overall, survivin is a promising cancer drug target. However, challenges still need to be addressed before the survivin targeted therapies can be widely used in the clinics.
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Affiliation(s)
- Sree Karani Kondapuram
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India
| | - Hema Kasthuri Ramachandran
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India
| | - Hemant Arya
- Institute for Biochemistry and Pathobiochemistry, Department of Systems Biochemistry, Faculty of Medicine, Ruhr University Bochum, 44780 Bochum, Germany
| | - Mohane Selvaraj Coumar
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India.
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Wang YZ, Li HY, Zhang Y, Jiang RX, Xu J, Gu J, Jiang Z, Jiang ZY, You QD, Guo XK. Discovery of Pyrazolo[1,5- a]pyrimidine Derivative as a Novel and Selective ALKBH5 Inhibitor for the Treatment of AML. J Med Chem 2023; 66:15944-15959. [PMID: 37983486 DOI: 10.1021/acs.jmedchem.3c01374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
M6A (N6-methyladenosine) plays a significant role in regulating RNA processing, splicing, nucleation, translation, and stability. AlkB homologue 5 (ALKBH5) is an Fe(II)/2-oxoglutarate (2-OG)-dependent dioxygenase that demethylates mono- or dimethylated adenosines. ALKBH5 can be regarded as an oncogenic factor for various human cancers. However, the discovery of potent and selective ALKBH5 inhibitors remains a challenge. We identified DDO-2728 as a novel and selective inhibitor of ALKBH5 by structure-based virtual screening and optimization. DDO-2728 was not a 2-oxoglutarate analogue and could selectively inhibit the demethylase activity of ALKBH5 over FTO. DDO-2728 increased the abundance of m6A modifications in AML cells, reduced the mRNA stability of TACC3, and inhibited cell cycle progression. Furthermore, DDO-2728 significantly suppressed tumor growth in the MV4-11 xenograft mouse model and showed a favorable safety profile. Collectively, our results highlight the development of a selective probe for ALKBH5 that will pave the way for the further study of ALKBH5 targeting therapies.
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Affiliation(s)
- Ying-Zhe Wang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Hong-Yu Li
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yan Zhang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Rui-Xin Jiang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jun Xu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jing Gu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zheng Jiang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zheng-Yu Jiang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qi-Dong You
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Xiao-Ke Guo
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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Chen X, Zhang T, Ren X, Wei Y, Zhang X, Zang X, Ju X, Qin C, Xu D. CHKB-AS1 enhances proliferation and resistance to NVP-BEZ235 of renal cancer cells via regulating the phosphorylation of MAP4 and PI3K/AKT/mTOR signaling. Eur J Med Res 2023; 28:588. [PMID: 38093375 PMCID: PMC10720114 DOI: 10.1186/s40001-023-01558-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/29/2023] [Indexed: 12/17/2023] Open
Abstract
Targeted therapy is pivotal in renal carcinoma treatment, and the dual-inhibitor NVP-BEZ235 has emerged as a promising candidate in preliminary studies. Its effectiveness against renal carcinoma and the mechanisms underlying potential resistance, however, warrant further exploration. This study aims to elucidate these aspects, enhancing our understanding of NVP-BEZ235's future clinical utility. To investigate resistance mechanisms, renal cancer cell lines were exposed to progressively increasing concentrations of NVP-BEZ235, leading to the development of stable resistance. These resistant cells underwent extensive RNA-sequencing analysis. We implemented gene interference techniques using plasmid vectors and lentivirus and conducted regular IC50 assessments. To pinpoint the role of LncRNAs, we utilized FISH and immunofluorescence staining assays, supplemented by RNA pull-down and RIP assays to delineate interactions between LncRNA and its RNA-binding protein (RBP). Further, Western blotting and qRT-PCR were employed to examine alterations in signaling pathways, with an animal model providing additional validation. Our results show a marked increase in the IC50 of NVP-BEZ235 in resistant cell lines compared to their parental counterparts. A significant revelation was the role of LncRNA-CHKB-AS1 in mediating drug resistance. We observed dysregulated expression of CHKB-AS1 in both clinical samples of clear cell renal cell carcinoma (ccRCC) and cell lines. In vivo experiments further substantiated our findings, showing that CHKB-AS1 overexpression significantly enhanced tumor growth and resistance to NVP-BEZ235 in a subcutaneous tumorigenesis model, as evidenced by increased tumor volume and weight, whereas CHKB-AS1 knockdown led to a marked reduction in these parameters. Critically, CHKB-AS1 was identified to interact with MAP4, a key regulator in the phosphorylation of the PI3k/Akt/mTOR pathway. This interaction contributes to a diminished antitumor effect of NVP-BEZ235, highlighting the intricate mechanism through which CHKB-AS1 modulates drug resistance pathways, potentially impacting therapeutic strategies against renal carcinoma.
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Affiliation(s)
- Xinglin Chen
- Urology Centre, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 528 Zhangheng Road, Pudong New District, Shanghai, 201203, China
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China
| | - Tongtong Zhang
- Urology Centre, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 528 Zhangheng Road, Pudong New District, Shanghai, 201203, China
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China
| | - Xiaohan Ren
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China
| | - Yuang Wei
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China
| | - Xu Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China
| | - Xinyue Zang
- Urology Centre, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 528 Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Xiran Ju
- Urology Centre, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 528 Zhangheng Road, Pudong New District, Shanghai, 201203, China.
| | - Chao Qin
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Street, Nanjing, 210029, Jiangsu Province, China.
| | - Dongliang Xu
- Urology Centre, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 528 Zhangheng Road, Pudong New District, Shanghai, 201203, China.
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Wang H, Wang W, Wang Z, Li X. Transcriptomic correlates of cell cycle checkpoints with distinct prognosis, molecular characteristics, immunological regulation, and therapeutic response in colorectal adenocarcinoma. Front Immunol 2023; 14:1291859. [PMID: 38143740 PMCID: PMC10749195 DOI: 10.3389/fimmu.2023.1291859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 11/22/2023] [Indexed: 12/26/2023] Open
Abstract
Backgrounds Colorectal adenocarcinoma (COAD), accounting for the most common subtype of colorectal cancer (CRC), is a kind of malignant digestive tumor. Some cell cycle checkpoints (CCCs) have been found to contribute to CRC progression, whereas the functional roles of a lot of CCCs, especially the integrated role of checkpoint mechanism in the cell cycle, remain unclear. Materials and methods The Genomic Data Commons (GDC) The Cancer Genome Atlas (TCGA) COAD cohort was retrieved as the training dataset, and GSE24551 and GSE29623 were downloaded from Gene Expression Omnibus (GEO) as the validation datasets. A total of 209 CCC-related genes were derived from the Gene Ontology Consortium and were subsequently enrolled in the univariate, multivariate, and least absolute shrinkage and selection operator (LASSO) Cox regression analyses, finally defining a CCC signature. Cell proliferation and Transwell assay analyses were utilized to evaluate the functional roles of signature-related CCCs. The underlying CCC signature, molecular characteristics, immune-related features, and therapeutic response were finally estimated. The Genomics of Drug Sensitivity in Cancer (GDSC) database was employed for the evaluation of chemotherapeutic responses. Results The aberrant gene expression of CCCs greatly contributed to COAD development and progression. Univariate Cox regression analysis identified 27 CCC-related genes significantly affecting the overall survival (OS) of COAD patients; subsequently, LASSO analysis determined a novel CCC signature. Noticeably, CDK5RAP2, MAD1L1, NBN, RGCC, and ZNF207 were first identified to be correlated with the prognosis of COAD, and it was proven that all of them were significantly correlated with the proliferation and invasion of HCT116 and SW480 cells. In TCGA COAD cohort, CCC signature robustly stratified COAD patients into high and low CCC score groups (median OS: 57.24 months vs. unreached, p< 0.0001), simultaneously, with the good AUC values for OS prediction at 1, 2, and 3 years were 0.74, 0.78, and 0.77. Furthermore, the prognostic capacity of the CCC signature was verified in the GSE24551 and GSE29623 datasets, and the CCC signature was independent of clinical features. Moreover, a higher CCC score always indicated worse OS, regardless of clinical features, histological subtypes, or molecular subgroups. Intriguingly, functional enrichment analysis confirmed the CCC score was markedly associated with extracellular, matrix and immune (chemokine)-related signaling, cell cycle-related signaling, and metabolisms. Impressively, a higher CCC score was positively correlated with a majority of chemokines, receptors, immunostimulators, and anticancer immunity, indicating a relatively immune-promoting microenvironment. In addition, GSE173839, GSE25066, GSE41998, and GSE194040 dataset analyses of the underlying CCC signature suggested that durvalumab with olaparib and paclitaxel, taxane-anthracycline chemotherapy, neoadjuvant cyclophosphamide/doxorubicin with ixabepilone or paclitaxel, and immunotherapeutic strategies might be suitable for COAD patients with higher CCC score. Eventually, the GDSC database analysis showed that lower CCC scores were likely to be more sensitive to 5-fluorouracil, bosutinib, gemcitabine, gefitinib, methotrexate, mitomycin C, and temozolomide, while patients with higher CCC score seemed to have a higher level of sensitivity to bortezomib and elesclomol. Conclusion The novel CCC signature exhibited a good ability for prognosis prediction for COAD patients, and the CCC score was found to be highly correlated with molecular features, immune-related characteristics, and therapeutic responses, which would greatly promote clinical management and precision medicine for COAD.
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Affiliation(s)
- Heng Wang
- Department of Colorectal Surgery, Shanghai Yangpu Hospital of Traditional Chinese Medicine, Shanghai, China
| | - Wei Wang
- Department of Colorectal Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Zhen Wang
- Department of Colorectal Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Xu Li
- Department of Colorectal Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, China
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Leboutet R, Largeau C, Culetto E, Lefebvre C, Hoppe T, Legouis R. Membrane localization of LGG-1/GABARAP is dispensable for autophagy in C. elegans. Autophagy 2023; 19:3254-3255. [PMID: 37612881 PMCID: PMC10621266 DOI: 10.1080/15548627.2023.2249393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 08/11/2023] [Indexed: 08/25/2023] Open
Abstract
Most of the functions of LC3/GABARAP in macroautophagy/autophagy are considered to depend on their association with the phagophore membrane through a conjugation to a lipid. Using site-directed mutagenesis, we inhibited the conjugation of LGG-1, the single homolog of GABARAP in C. elegans. Mutants that express only cytosolic forms revealed an essential role for the cleaved form of LGG-1 in autophagy but also in an autophagy-independent embryonic function.
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Affiliation(s)
- Romane Leboutet
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) and INSERM U1280, Gif-sur-Yvette, France
| | - Céline Largeau
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) and INSERM U1280, Gif-sur-Yvette, France
| | - Emmanuel Culetto
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) and INSERM U1280, Gif-sur-Yvette, France
| | - Christophe Lefebvre
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) and INSERM U1280, Gif-sur-Yvette, France
| | - Thorsten Hoppe
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Renaud Legouis
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) and INSERM U1280, Gif-sur-Yvette, France
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Herrera-Ubaldo H. Not another round: microtubule-associated proteins and the control of fruit shape in tomato. Plant Cell 2023; 35:4195-4196. [PMID: 37708049 PMCID: PMC10689144 DOI: 10.1093/plcell/koad238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Affiliation(s)
- Humberto Herrera-Ubaldo
- Assistant Features Editor, The Plant Cell, American Society of Plant Biologists
- Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UK
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Sakaji K, Ebrahimiazar S, Harigae Y, Ishibashi K, Sato T, Yoshikawa T, Atsumi GI, Sung CH, Saito M. MAST4 promotes primary ciliary resorption through phosphorylation of Tctex-1. Life Sci Alliance 2023; 6:e202301947. [PMID: 37726137 PMCID: PMC10509483 DOI: 10.26508/lsa.202301947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 08/27/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023] Open
Abstract
The primary cilium undergoes cell cycle-dependent assembly and disassembly. Dysregulated ciliary dynamics are associated with several pathological conditions called ciliopathies. Previous studies showed that the localization of phosphorylated Tctex-1 at Thr94 (T94) at the ciliary base critically regulates ciliary resorption by accelerating actin remodeling and ciliary pocket membrane endocytosis. Here, we show that microtubule-associated serine/threonine kinase family member 4 (MAST4) is localized at the primary cilium. Suppressing MAST4 blocks serum-induced ciliary resorption, and overexpressing MAST4 accelerates ciliary resorption. Tctex-1 binds to the kinase domain of MAST4, in which the R503 and D504 residues are key to MAST4-mediated ciliary resorption. The ciliary resorption and the ciliary base localization of phospho-(T94)Tctex-1 are blocked by the knockdown of MAST4 or the expression of the catalytic-inactive site-directed MAST4 mutants. Moreover, MAST4 is required for Cdc42 activation and Rab5-mediated periciliary membrane endocytosis during ciliary resorption. These results support that MAST4 is a novel kinase that regulates ciliary resorption by modulating the ciliary base localization of phospho-(T94)Tctex-1. MAST4 is a potential new target for treating ciliopathies causally by ciliary resorption defects.
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Affiliation(s)
- Kensuke Sakaji
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Sara Ebrahimiazar
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Developmental Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yasuhiro Harigae
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kenichi Ishibashi
- https://ror.org/01gaw2478 Department of Molecular Physiology and Pathology, School of Pharma-Science, Teikyo University, Itabashi-ku, Tokyo, Japan
| | - Takeya Sato
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Clinical Biology and Hormonal Regulation, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takeo Yoshikawa
- Department of Neuropharmacology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- Department of Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Gen-Ichi Atsumi
- https://ror.org/01gaw2478 Department of Molecular Physiology and Pathology, School of Pharma-Science, Teikyo University, Itabashi-ku, Tokyo, Japan
| | - Ching-Hwa Sung
- Department of Ophthalmology, Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine, New York, NY, USA
- Department of Cell and Developmental Biology, Weill Cornell Medicine, New York, NY, USA
| | - Masaki Saito
- Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
- https://ror.org/01gaw2478 Department of Molecular Physiology and Pathology, School of Pharma-Science, Teikyo University, Itabashi-ku, Tokyo, Japan
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Wang Y, Ma X, Wang S, Li Z, Wang F, Tian X, Fu H, Xing G, Sun L, Wang W. Competing endogenous RNA analysis reveals the regulatory potency of CKAP5 in HPV+ HNSCC. Oral Dis 2023; 29:3152-3156. [PMID: 35710876 DOI: 10.1111/odi.14282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/26/2022] [Accepted: 06/14/2022] [Indexed: 02/05/2023]
Affiliation(s)
- Yue Wang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Xiangrui Ma
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
| | - Shuhan Wang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Zhipeng Li
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Fang Wang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Xudong Tian
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Honghai Fu
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Guoyi Xing
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Legang Sun
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
- School of Stomatology, Binzhou Medical University, Yantai, China
| | - Wenlong Wang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou, China
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Tan Z, Yue Y, Leprevost F, Haynes S, Basrur V, Nesvizhskii AI, Verhey KJ, Cianfrocco MA. Autoinhibited kinesin-1 adopts a hierarchical folding pattern. eLife 2023; 12:RP86776. [PMID: 37910016 PMCID: PMC10619981 DOI: 10.7554/elife.86776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023] Open
Abstract
Conventional kinesin-1 is the primary anterograde motor in cells for transporting cellular cargo. While there is a consensus that the C-terminal tail of kinesin-1 inhibits motility, the molecular architecture of a full-length autoinhibited kinesin-1 remains unknown. Here, we combine crosslinking mass spectrometry (XL-MS), electron microscopy (EM), and AlphaFold structure prediction to determine the architecture of the full-length autoinhibited kinesin-1 homodimer (kinesin-1 heavy chain [KHC]) and kinesin-1 heterotetramer (KHC bound to kinesin light chain 1 [KLC1]). Our integrative analysis shows that kinesin-1 forms a compact, bent conformation through a break in coiled-coil 3. Moreover, our XL-MS analysis demonstrates that kinesin light chains stabilize the folded inhibited state rather than inducing a new structural state. Using our structural model, we show that disruption of multiple interactions between the motor, stalk, and tail domains is required to activate the full-length kinesin-1. Our work offers a conceptual framework for understanding how cargo adaptors and microtubule-associated proteins relieve autoinhibition to promote activation.
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Affiliation(s)
- Zhenyu Tan
- Department of Biophysics, University of MichiganAnn ArborUnited States
- Life Sciences Institute, University of MichiganAnn ArborUnited States
| | - Yang Yue
- Department of Cell & Developmental Biology, University of MichiganAnn ArborUnited States
| | - Felipe Leprevost
- Department of Pathology, University of MichiganAnn ArborUnited States
| | - Sarah Haynes
- Department of Pathology, University of MichiganAnn ArborUnited States
| | - Venkatesha Basrur
- Department of Pathology, University of MichiganAnn ArborUnited States
| | - Alexey I Nesvizhskii
- Department of Pathology, University of MichiganAnn ArborUnited States
- Department of Computational Medicine and Bioinformatics, University of MichiganAnn ArborUnited States
| | - Kristen J Verhey
- Department of Cell & Developmental Biology, University of MichiganAnn ArborUnited States
| | - Michael A Cianfrocco
- Life Sciences Institute, University of MichiganAnn ArborUnited States
- Department of Biological Chemistry, University of MichiganAnn ArborUnited States
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Cheng H, Zhang L, Yang S, Ren Q, Chang S, Jin Y, Mou W, Qin H, Yang W, Zhang X, Zhang W, Wang H. Integration of clinical characteristics and molecular signatures of the tumor microenvironment to predict the prognosis of neuroblastoma. J Mol Med (Berl) 2023; 101:1421-1436. [PMID: 37712965 DOI: 10.1007/s00109-023-02372-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 08/26/2023] [Accepted: 09/04/2023] [Indexed: 09/16/2023]
Abstract
This study aimed to analyze the clinical characteristics, cell types, and molecular characteristics of the tumor microenvironment to better predict the prognosis of neuroblastoma (NB). The gene expression data and corresponding clinical information of 498 NB patients were obtained from the Gene Expression Omnibus (GEO: GSE62564) and ArrayExpress (accession: E-MTAB-8248). The relative cell abundances were estimated using single-sample gene set enrichment analysis (ssGSEA) with the R gene set variation analysis (GSVA) package. We performed Cox regression analyses to identify marker genes indicating cell subsets and combined these with prognostically relevant clinical factors to develop a new prognostic model. Data from the E-MTAB-8248 cohort verified the predictive accuracy of the prognostic model. Single-cell RNA-seq data were analyzed by using the R Seurat package. Multivariate survival analysis for each gene, using clinical characteristics as cofactors, identified 34 prognostic genes that showed a significant correlation with both event-free survival (EFS) and overall survival (OS) (log-rank test, P value < 0.05). The pathway enrichment analysis revealed that these prognostic genes were highly enriched in the marker genes of NB cells with mesenchymal features and protein translation. Ultimately, USP39, RPL8, IL1RAPL1, MAST4, CSRP2, ATP5E, International Neuroblastoma Staging System (INSS) stage, age, and MYCN status were selected to build an optimized Cox model for NB risk stratification. These samples were divided into two groups using the median of the risk score as a cutoff. The prognosis of samples in the poor prognosis group (PP) was significantly worse than that of samples in the good prognosis group (GP) (log-rank test, P value < 0.0001, median EFS: 640.5 vs. 2247 days, median OS: 1279.5 vs. 2519 days). The risk model was also regarded as a prognostic indicator independent of MYCN status, age, and stage. Finally, through scRNA-seq data, we found that as an important prognostic marker, USP39 might participate in the regulation of RNA splicing in NB. Our study established a multivariate Cox model based on gene signatures and clinical characteristics to better predict the prognosis of NB and revealed that mesenchymal signature genes of NB cells, especially USP39, were more abundant in patients with a poor prognosis than in those with a good prognosis. KEY MESSAGES: Our study established a multivariate Cox model based on gene signatures and clinical characteristics to better predict the prognosis of NB and revealed that mesenchymal signature genes of NB cells, especially USP39, were more abundant in patients with a poor prognosis than in those with a good prognosis. USP39, RPL8, IL1RAPL1, MAST4, CSRP2, ATP5E, International Neuroblastoma Staging System (INSS) stage, age, and MYCN status were selected to build an optimized Cox model for NB risk stratification. These samples were divided into two groups using the median of the risk score as a cutoff. The prognosis of samples in the poor prognosis group (PP) was significantly worse than that of samples in the good prognosis group (GP). Finally, through scRNA-seq data, we found that as an important prognostic marker, USP39 might participate in the regulation of RNA splicing in NB.
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Affiliation(s)
- Haiyan Cheng
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Li Zhang
- Shanghai Institute of Precision Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Shen Yang
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Qinghua Ren
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Saishuo Chang
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Yaqiong Jin
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Wenjun Mou
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Hong Qin
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Wei Yang
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China
| | - Xianwei Zhang
- Zhengzhou Key Laboratory of Precise Diagnosis and Treatment of Children's Malignant Tumors, Department of Pediatric Oncology Surgery, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China
| | - Wancun Zhang
- Zhengzhou Key Laboratory of Precise Diagnosis and Treatment of Children's Malignant Tumors, Department of Pediatric Oncology Surgery, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China
| | - Huanmin Wang
- Department of Surgical Oncology, MOE Key Laboratory of Major Diseases in Children, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 Nanlishi Road, Beijing, 100045, China.
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Li TT, Chen J, Ji ES, Guo YJ. [Effect and mechanism of Danggui Buxue Decoction-containing serum in mitigating H9c2 cell injury caused by exposure to intermittent low oxygen]. Zhongguo Zhong Yao Za Zhi 2023; 48:5881-5887. [PMID: 38114184 DOI: 10.19540/j.cnki.cjcmm.20230614.703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
This study aims to explore the effect and mechanism of Danggui Buxue Decoction(DBD)-containing serum in alleviating the H9c2 cell injury caused by the exposure to intermittent low oxygen. H9c2 cells were assigned into five groups: control(CON) group, intermittent low oxygen(IH) group, intermittent low oxygen plus DBD-containing serum(IH+DBD) group, intermittent low oxygen plus the autophagy enhancer rapamycin(IH+RAPA) group, and intermittent low oxygen plus DBD-containing serum and the autophagy inhibitor 3-methyladenine(IH+DBD+3-MA) group. Monodansylcadaverine(MDC) staining was employed to detect the changes of autophagosomes. Cell counting kit-8(CCK-8) assay was employed to determine the activity of myocardial cells, and lactate dehydrogenase(LDH) and creatine kinase(CK) kits were used to measure the LDH and CK levels in the cell culture, which would reflect the degree of cell damage. TdT-mediated dUTP nick-end labeling(TUNEL) staining was used to detect the apoptosis of myocardial cells, and JC-1 fluorescence probe to detect the changes in mitochondrial membrane potential. Western blot was employed to determine the expression levels of the autophagy-related proteins microtubule-associated proteins light chain 3Ⅱ(LC3Ⅱ), microtubule-associated proteins light chain 3Ⅰ(LC3Ⅰ), P62, Parkin and apoptosis related proteins pro caspase-3, caspase-3, B-cell lymphoma-2(Bcl-2), Bcl-2-associated X(Bax). The results showed that compared with the CON group, the IH group showed decreased fluorescence intensity of MDC staining, decreased LC3Ⅱ/LC3Ⅰ ratio, down-regulated Parkin expression, and up-regulated expression of P62. In addition, the IH group showed decreased cell survival rate, increased content of LDH and CK in the culture medium, increased number of TUNEL positive cells, and decreased pro caspase-3/caspase-3 and Bcl-2/Bax ratios and mitochondrial membrane potential. Compared with the IH group, the IH+DBD and IH+RAPA groups showed increased fluorescence intensity of MDC staining, increased LC3Ⅱ/LC3Ⅰ ratio, up-regulated Parkin expression, and down-regulated P62 expression. In addition, the two groups showed increased cell survival rate, reduced content of LDH and CK in the culture medium, decreased number of TUNEL positive cells, and increased pro caspase-3/caspase-3 and Bcl-2/Bax ratios and mitochondrial membrane potential. The IH+DBD+3-MA and IH groups showed no significant differences in the above indicators. Compared with the IH+DBD group, the IH+DBD+3-MA group showed decreased fluorescence intensity of MDC staining, decreased LC3Ⅱ/LC3Ⅰ ratio, down-regulated Parkin expression, and up-regulated P62 expression. In addition, the group had decreased cell survival rate, increased content of LDH and CK in the culture medium, increased number of TUNEL positive cells, decreased pro caspase-3/caspase-3 and Bcl-2/Bax ratios, and declined mitochon-drial membrane potential. To sum up, DBD could promote the mitophagy, inhibit the apoptosis, and alleviated the injury of H9c2 cells exposed to low oxygen.
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Affiliation(s)
- Ting-Ting Li
- Hebei University of Chinese Medicine Shijiazhuang 050200, China Hebei Technology Innovation Center of Traditional Chinese Medicine Combined Hydrogen Medicine Shijiazhuang 050091, China
| | - Jie Chen
- Hebei University of Chinese Medicine Shijiazhuang 050200, China Hebei Technology Innovation Center of Traditional Chinese Medicine Combined Hydrogen Medicine Shijiazhuang 050091, China
| | - En-Sheng Ji
- Hebei University of Chinese Medicine Shijiazhuang 050200, China Hebei Technology Innovation Center of Traditional Chinese Medicine Combined Hydrogen Medicine Shijiazhuang 050091, China
| | - Ya-Jing Guo
- Hebei University of Chinese Medicine Shijiazhuang 050200, China Hebei Technology Innovation Center of Traditional Chinese Medicine Combined Hydrogen Medicine Shijiazhuang 050091, China
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Upadhyay KK, Du X, Chen Y, Buscher B, Chen VL, Oliveri A, Zhao R, Speliotes EK, Brady GF. A common variant that alters SUN1 degradation associates with hepatic steatosis and metabolic traits in multiple cohorts. J Hepatol 2023; 79:1226-1235. [PMID: 37567366 PMCID: PMC10618955 DOI: 10.1016/j.jhep.2023.07.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 08/13/2023]
Abstract
BACKGROUND & AIMS Non-alcoholic fatty liver disease (NAFLD), and its progressive form steatohepatitis (NASH), represent a genetically and phenotypically diverse entity for which there is no approved therapy, making it imperative to define the spectrum of pathways contributing to its pathogenesis. Rare variants in genes encoding nuclear envelope proteins cause lipodystrophy with early-onset NAFLD/NASH; we hypothesized that common variants in nuclear envelope-related genes might also contribute to hepatic steatosis and NAFLD. METHODS Using hepatic steatosis as the outcome of interest, we performed an association meta-analysis of nuclear envelope-related coding variants in three large discovery cohorts (N >120,000 participants), followed by phenotype association studies in large validation cohorts (N >600,000) and functional testing of the top steatosis-associated variant in cell culture. RESULTS A common protein-coding variant, rs6461378 (SUN1 H118Y), was the top steatosis-associated variant in our association meta-analysis (p <0.001). In ancestrally distinct validation cohorts, rs6461378 associated with histologic NAFLD and with NAFLD-related metabolic traits including increased serum fatty acids, type 2 diabetes, hypertension, cardiovascular disease, and decreased HDL. SUN1 H118Y was subject to increased proteasomal degradation relative to wild-type SUN1 in cells, and SUN1 H118Y-expressing cells exhibited insulin resistance and increased lipid accumulation. CONCLUSIONS Collectively, these data support a potential causal role for the common SUN1 variant rs6461378 in NAFLD and metabolic disease. IMPACT AND IMPLICATIONS Non-alcoholic fatty liver disease (NAFLD), with an estimated global prevalence of nearly 30%, is a growing cause of morbidity and mortality for which there is no approved pharmacologic therapy. Our data provide a rationale for broadening current concepts of NAFLD genetics and pathophysiology to include the nuclear envelope, and particularly Sad1 and UNC84 domain containing 1 (SUN1), as novel contributors to this common liver disease. Furthermore, if future studies confirm causality of the common SUN1 H118Y variant, it has the potential to become a broadly relevant therapeutic target in NAFLD and metabolic disease.
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Affiliation(s)
- Kapil K Upadhyay
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Xiaomeng Du
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Yanhua Chen
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Brandon Buscher
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Vincent L Chen
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Antonino Oliveri
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA
| | - Raymond Zhao
- University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Elizabeth K Speliotes
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA; Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, USA
| | - Graham F Brady
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ann Arbor, Michigan, USA.
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Wang Z, Ren H, Zhu G, Zhang L, Cao H, Chen B. High expression of CCDC69 is correlated with immunotherapy response and protective effects on breast cancer. BMC Cancer 2023; 23:974. [PMID: 37828454 PMCID: PMC10571395 DOI: 10.1186/s12885-023-11411-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 09/16/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND As a molecule controlling the assembly of central spindles and recruitment of midzone component, coiled-coil domain-containing protein 69 (CCDC69) plays an important role in multiple cancers. Currently, the relationships between CCDC69 and immune infiltration or immunotherapy in breast cancer remain unclear. METHODS The expression and prognostic significance of CCDC69 in breast cancer were comprehensively analyzed by quantitative real-time PCR, immunohistochemical staining and various databases. The data source of differentially expressed genes, gene set enrichment analysis, and immune cell infiltration analysis came from The Cancer Genome Atlas (TCGA) database. Single-cell analysis based on IMMUcan database was used. The protein-protein interaction network was developed applying STRING, Cytoscape, CytoHubba, and GeneMANIA. TISIDB was employed in analyzing the CCDC69 co-expressed immune related genes. The correlations between CCDC69 and immunotherapy or immune-related scores were analyzed by CAMOIP and TISMO. Ctr-db was also used to conduct drug sensitivity analysis. RESULTS The mRNA of CCDC69 was downregulated in breast cancer tissues compared with normal tissues. Higher CCDC69 expression was associated with a better breast cancer prognosis. Enrichment analysis showed that the co-expression genes of CCDC69 were mainly related to immune-related pathways. The expression of CCDC69 was found to be positively correlated with multiple tumor-suppression immune infiltration cells, especially T cells and dendritic cells. Meanwhile, high CCDC69 expression can predict better immunotherapy responses when compared with low CCDC69 expression. After the interferon-gamma treatment, the CCDC69 expression was elevated in vitro. CCDC69 expression was a reliable predictor for the response status of two therapeutic strategies in breast cancer. CONCLUSIONS Our research revealed the clinical significance of CCDC69 in breast cancer and validated the critical roles of CCDC69 in the tumor immune infiltration and immunotherapy responses.
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Affiliation(s)
- Zhen Wang
- Department of Breast and Thyroid Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Huiyang Ren
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, China
| | - Guolian Zhu
- Department of Breast Surgery, The Fifth People's Hospital of Shenyang, Shenyang, China
| | - Lei Zhang
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, China.
| | - Hongyi Cao
- Department of Pathology, The First Hospital of China Medical University and College of Basic Medical Sciences, Shenyang, China.
| | - Bo Chen
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, China.
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Zhang W, Zhang J. Semaglutide Pretreatment Induces Cardiac Autophagy to Reduce Myocardial Injury in Septic Mice. Discov Med 2023; 35:853-860. [PMID: 37811623 DOI: 10.24976/discov.med.202335178.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
BACKGROUND Sepsis-induced myocardial dysfunction (SIMD) confers substantial morbidity and mortality. Semaglutide treatment has demonstrated efficacy in ameliorating sepsis-related organ damage via attenuation of inflammation, oxidative stress, and apoptotic cell death. In this study, we constructed a mouse SIMD model using cecal ligation and puncture (CLP) to explore whether semaglutide preconditioning can modulate autophagy levels and attenuate myocardial injury. METHODS C57BL/6 mice were randomly divided into six groups: sham, CLP (including CLP-6 h, CLP-12 h and CLP-24 h subgroups), semaglutide, and semaglutide+Compound-C, with five mice in each group. The latter two groups were given daily intraperitoneal injections of semaglutide for 14 days. The semaglutide+Compound-C group was given the autophagy inhibitor Compound-C intraperitoneally 1-hour before CLP surgery. After the last injection of semaglutide, SIMD mouse models were constructed by CLP surgery, while the sham group underwent a sham operation. All mice were sacrificed after surgery, and blood and myocardial specimens were collected. Enzyme-linked immunosorbent assay (ELISA) was used to measure the levels of inflammatory factors and myocardial injury markers in the serum, while quantitative real-time polymerase chain reaction (qRT-PCR) and western blot was used to detect the expression of autophagic markers [microtubule-associated protein 1A/1B-light chain 3B (LC3B), Beclin-1, p62] and AMP-activated protein kinase (AMPK) in myocardial tissue. Hematoxylin and eosin (H&E) staining was used to observe pathological changes in myocardial tissue. RESULTS The myocardial fibers in the sham group were normal, while those in the CLP group showed disordered arrangement, interstitial edema, and a large number of infiltrating inflammatory cells. A few vacuolar changes were observed locally in the semaglutide group, and more vacuolar changes were observed in the semaglutide+Compound-C group. Autophagy was inhibited in the CLP group mice. Compared with the CLP group, the semaglutide group showed a decreased levels of inflammatory factors (tumor necrosis factor-α, interleukin-1β) and myocardial injury markers (creatine kinase isoenzyme, cardiac troponin T) in the serum, a reduced expression of autophgic substrate p62, and an increased expression of LC3II (the lipidated form of LC3I)/LC3I (microtubule-associated protein 1A/1B-light chain 3), Beclin-1, and p-AMPK (phosphorylated AMP-activated protein kinase)/AMPK in the injured myocardial tissues of mice (p < 0.05). And the protective effects of semaglutide against SIMD were partially reversed by the treatment of AMPK inhibitor Compound-C (p < 0.05). CONCLUSIONS Taken together, these data indicate that semaglutide provides protection against CLP-triggered myocardial inflammation and injury, potentially by reactivating myocardial autophagy pathways via activation of AMPK signaling. Further mechanistic studies are needed to definitively elucidate the functional significance of AMPK signaling in mediating the beneficial cardiac effects of semaglutide during sepsis.
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Affiliation(s)
- Wei Zhang
- Intensive Care Unit, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, 250031 Jinan, Shandong, China
| | - Jianjian Zhang
- Department of Endocrinology, Jinan 2nd People's Hospital, 250022 Jinan, Shandong, China
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DeGiosio RA, Needham PG, Andrews OA, Tristan H, Grubisha MJ, Brodsky JL, Camacho C, Sweet RA. Differential regulation of MAP2 by phosphorylation events in proline-rich versus C-terminal domains. FASEB J 2023; 37:e23194. [PMID: 37702880 PMCID: PMC10539048 DOI: 10.1096/fj.202300486r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 07/31/2023] [Accepted: 08/29/2023] [Indexed: 09/14/2023]
Abstract
MAP2 is a critical cytoskeletal regulator in neurons. The phosphorylation of MAP2 (MAP2-P) is well known to regulate core functions of MAP2, including microtubule (MT)/actin binding and facilitation of tubulin polymerization. However, site-specific studies of MAP2-P function in regions outside of the MT-binding domain (MTBD) are lacking. We previously identified a set of MAP2 phosphopeptides which are differentially expressed and predominantly increased in the cortex of individuals with schizophrenia relative to nonpsychiatric comparison subjects. The phosphopeptides originated not from the MTBD, but from the flanking proline-rich and C-terminal domains of MAP2. We sought to understand the contribution of MAP2-P at these sites on MAP2 function. To this end, we isolated a series of phosphomimetic MAP2C constructs and subjected them to cell-free tubulin polymerization, MT-binding, actin-binding, and actin polymerization assays. A subset of MAP2-P events significantly impaired these functions, with the two domains displaying different patterns of MAP2 regulation: proline-rich domain mutants T293E and T300E impaired MT assembly and actin-binding affinity but did not affect MT-binding, while C-terminal domain mutants S426E and S439D impaired all three functions. S443D also impaired MT assembly with minimal effects on MT- or actin-binding. Using heterologous cells, we also found that S426E but not T293E had a lower capability for process formation than the wild-type protein. These findings demonstrate the functional utility of MAP2-P in the proline-rich and C-terminal domains and point to distinct, domain-dependent regulations of MAP2 function, which can go on to affect cellular morphology.
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Affiliation(s)
- R A DeGiosio
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - P G Needham
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - O A Andrews
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - H Tristan
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - M J Grubisha
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - J L Brodsky
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - C Camacho
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - R A Sweet
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Xue H, Zhang C, Xiang L, Yue W. Teaching NeuroImage: New Pattern of Periventricular Nodular Heterotopia in Twins With a Pathogenic Variant in the MAP1B Gene. Neurology 2023; 101:e1387-e1388. [PMID: 37460233 PMCID: PMC10558156 DOI: 10.1212/wnl.0000000000207532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 05/04/2023] [Indexed: 09/27/2023] Open
Affiliation(s)
- Huihui Xue
- From the College of Neurosurgery and Neurorehabilitation (H.X.), and Department of Neurology (C.Z., L.X., W.Y.), Tianjin Huanhu Hospital, China
| | - Chao Zhang
- From the College of Neurosurgery and Neurorehabilitation (H.X.), and Department of Neurology (C.Z., L.X., W.Y.), Tianjin Huanhu Hospital, China
| | - Lei Xiang
- From the College of Neurosurgery and Neurorehabilitation (H.X.), and Department of Neurology (C.Z., L.X., W.Y.), Tianjin Huanhu Hospital, China
| | - Wei Yue
- From the College of Neurosurgery and Neurorehabilitation (H.X.), and Department of Neurology (C.Z., L.X., W.Y.), Tianjin Huanhu Hospital, China.
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Zhang D, Yang X, Luo Q, Fu D, Li H, Zhang P, Tie C. Circular RNA CSPP1 motivates renal cell carcinoma carcinogenesis and the Warburg effect by targeting RAC1 through microRNA-493-5p. Acta Biochim Pol 2023; 70:693-701. [PMID: 37722005 DOI: 10.18388/abp.2020_6299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/30/2023] [Indexed: 09/20/2023]
Abstract
Circular RNAs (circRNAs) take on regulatory roles in renal cell carcinoma (RCC). The research's goal was to figure out circ-CSPP1's role and molecular mechanism in RCC. The results clarified that circ-CSPP1 expression was enhanced in RCC. Down-regulating circ-CSPP1 refrained the proliferation, migration, invasion, and Warburg effect (aerobic glycolysis), but accelerated apoptosis of RCC cells. The luciferase activity assay exhibited that circ-CSPP1 could perform as an endogenous sponge for miR-493-5p. Elevating miR-493-5p repressed RCC progression. The bioinformatics website starBase confirmed that ras-related C3 botulinum toxin substrate 1 (RAC1) was a target gene of miR-493-5p. Circ-CSPP1 up-regulated RAC1 by sponging miR-493-5p, and elevating RAC1 could turn around the effect of down-regulating circ-CSPP1 on RCC cells. Taken together, circ-CSPP1 is identified as a novel RCC-promoting RNA that could serve as a latent therapeutic target for RCC therapy.
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Affiliation(s)
- Dong Zhang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - XiaoJie Yang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - QiDong Luo
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - DeLai Fu
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - HongLiang Li
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - Peng Zhang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
| | - Chong Tie
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province, 710004, China
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