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Ren S, Peng H, Zhang J, Yang J, He Y, Sun Z, Wang G. A genome-wide association study of escitalopram treatment outcomes in patients with major depressive disorder. Gene 2024; 926:148596. [PMID: 38782219 DOI: 10.1016/j.gene.2024.148596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 05/10/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Major depressive disorder (MDD) is a common psychological condition, the consequences of which, such as suicide, can be severe. Escitalopram, a selective serotonin reuptake inhibitor, is a commonly used antidepressant in clinics. However, more than one-third of patients with MDD do not respond to this drug. Gene polymorphism may affect the efficacy of escitalopram, but the genetic architecture of the antidepressant response in patients with MDD remains unclear. We perform a genome-wide association study (GWAS) of the genetic effect on the outcome of escitalopram in patients with MDD. A total of 203 patients with MDD and 176 healthy control (HC) adults were recruited from Beijing Anding Hospital. Patients received 12 weeks of antidepressant treatment with escitalopram. The Quick Inventory of Depressive Symptomatology-Self-Report (QIDS-SR) or Hamilton depression scale (HAMD) were used to evaluate the severity of depression symptoms at the baseline and the end of 2 and 12 weeks of treatment. A total of 140 variants in MDD patients were identified by GWAS to have genome-wide significance (p < 5e - 8) compared with HCs. Similarly, 189 and 18 variants were identified to be associated with QIDS-SR and HAMD score changes in patients after antidepressant treatment (p < 1e - 5), including rs12602361, rs72799048, rs16842235, and rs2518256. In the two weeks QIDS-SR score study, the gene-level association for these variants and gene set enrichment analyses implicate the enrichment of genes involved in the synaptic plasticity process and nervous system development. Our results implicate the predictive capacity of the effect of escitalopram treatment, supporting a link between genetic basis and remission of depression.
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Affiliation(s)
- Siyu Ren
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - He Peng
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Department of Computational Biology for Individualised Medicine, Centre for Individualised Infection Medicine (CiiM), a joint venture between the Helmholtz Centre for Infection Research (HZI) and Hannover Medical School (MHH). Hannover, Germany; TWINCORE, a joint venture between the Helmholtz-Centre for Infection Research (HZI) and the Hannover Medical School (MHH), Hannover, Germany
| | - Jinniu Zhang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Jian Yang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Yi He
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Zuoli Sun
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China.
| | - Gang Wang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China.
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Sevimli TS, Ghorbani A, Gakhiyeva F, Cevizlidere BD, Sevimli M. Boric Acid Alters the Expression of DNA Double Break Repair Genes in MCF-7-Derived Breast Cancer Stem Cells. Biol Trace Elem Res 2024; 202:3980-3987. [PMID: 38087035 DOI: 10.1007/s12011-023-03987-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 11/28/2023] [Indexed: 07/18/2024]
Abstract
Breast cancer pathology ranks second in mortality among women worldwide due to the resistance of cancer stem cells in tumor tissue to radiotherapy and chemotherapy and their effective DNA damage response system (DDR). Targeting the expression of DNA double-strand break (DSB) repair genes in breast cancer stem cells (BC-SCs) is essential for facilitating their elimination with conventional therapies. This study aims to investigate the effects of boric acid (BA) on the expression of DNA DSB repair genes in BC-SCs, which has not been studied in the literature before. BS-SCs were isolated by the MACS method and characterized by flow cytometry. The effects of BA on BC-SCs' DNA DSB repair genes were deciphered by cell viability assay, inverted microscopy, and RT-qPCR. While the expression of the BRCA1 and BRCA2 was upregulated, the expression of the ATM (p < 0.001), RAD51 (p < 0.001), and KU70 (p < 0.001) was downregulated in dose-treated BC-SCs (p < 0.001) to the qPCR results. Consequently, BA affects some of the DNA DSB repair genes of breast cancer stem cells. Findings from this study could provide new insights into the potential therapeutic application of BA in BC-SC elimination and cancer intervention.
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Affiliation(s)
- Tuğba Semerci Sevimli
- Department of Cellular Therapy and Stem Cell Production, Application, and Research Center (ESTEM), Eskisehir Osmangazi University, Eskisehir, 26040, Turkey.
- Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, Eskisehir, 26040, Turkey.
| | - Aynaz Ghorbani
- Department of Cellular Therapy and Stem Cell Production, Application, and Research Center (ESTEM), Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
- Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
| | - Fidan Gakhiyeva
- Department of Cellular Therapy and Stem Cell Production, Application, and Research Center (ESTEM), Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
- Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
| | - Bahar Demir Cevizlidere
- Department of Cellular Therapy and Stem Cell Production, Application, and Research Center (ESTEM), Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
- Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, Eskisehir, 26040, Turkey
| | - Murat Sevimli
- Department of Histology and Embryology, Faculty of Medicine, Eskişehir Osmangazi University, Eskisehir, 26040, Turkey
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Zhang W, Xiao Y, Zhu X, Zhang Y, Xiang Q, Wu S, Song X, Zhao J, Yuan R, Li Q, Xiao B, Li L. Integrative Pan-Cancer Analysis Reveals the Oncogenic Role of MND1 and Validation of MND1's Role in Breast Cancer. J Inflamm Res 2024; 17:4721-4746. [PMID: 39051055 PMCID: PMC11268618 DOI: 10.2147/jir.s458832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 06/25/2024] [Indexed: 07/27/2024] Open
Abstract
Purpose Meiotic nuclear division 1 (MND1) is a meiosis-specific protein that promotes lung adenocarcinoma progression. However, its expression and biological function across cancers remain largely unexplored. Patients and Methods The expression, prognostic significance, mutation status, and methylation profile of MND1 in various cancers were comprehensively analyzed using the TIMER, GTEX, Kaplan-Meier plotter, cBioPortal, and GSCA databases. Additionally, we constructed a PPI network, enrichment analysis and single-cell transcriptomic sequencing to elucidate the underlying mechanism of MND1. Furthermore, we investigated the association between MND1 expression and drug sensitivity using CellMiner. Moreover, we also explored the correlation between MND1 expression and immune infiltration. Finally, we validated the functional role of MND1 in breast cancer through IHC staining, CCK8, EdU, colony formation, and flow cytometry assays. Results MND1 has been reported to be highly expressed in Pan-cancer, High MND1 expression was significantly associated with poor prognosis in cancers. Additionally, MND1 mutation frequency is high in most cancers, and its expression correlates with methylation. Furthermore, MND1 expression significantly correlates with immune checkpoint blockade (ICB) markers, including PD-L1, PD-1, and CTLA-4. The PPI network reveals interactions between MND1 and PSMC3IP, BRCA1, and BRCA2. Enrichment analysis and single-cell sequencing indicate that MND1 positively correlates with cell cycle. ROC curve reveals favorable diagnostic efficacy of MND1 in breast cancer. In vitro, MND1 overexpression promotes breast cancer cell proliferation and increases the expression of key cell cycle regulators (CDK4, CDK6, and cyclin D3), accelerating the G1/S phase transition and leading to abnormal breast cancer cell proliferation. The immunohistochemical analysis revealed a robust expression of MND1 in breast cancer tissues, exhibiting a significant positive correlation with PD-L1 and FOXP3. Conclusion MND1 is an oncogene and may serve as a biomarker for cancer prognosis and immunotherapy. Targeting MND1 may be a potential tumor treatment strategy.
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Affiliation(s)
- Wenwu Zhang
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
- Department of Laboratory Medicine, Suzhou Municipal Hospital, Affiliated to Nanjing Medical University, Suzhou, 21500, People’s Republic of China
| | - Yuhan Xiao
- School of Public Health, Dali University, Dali, 671000, People’s Republic of China
| | - Xin Zhu
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Yanxia Zhang
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Qin Xiang
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Shunhong Wu
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Xiaoyu Song
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Junxiu Zhao
- School of Public Health, Dali University, Dali, 671000, People’s Republic of China
| | - Ruanfei Yuan
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Qiguang Li
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Bin Xiao
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
| | - Linhai Li
- Department of Laboratory Medicine, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guangdong, 511518, People’s Republic of China
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Matuszczak M, Kiljańczyk A, Marciniak W, Derkacz R, Stempa K, Baszuk P, Bryśkiewicz M, Cybulski C, Dębniak T, Gronwald J, Huzarski T, Lener M, Jakubowska A, Szwiec M, Stawicka-Niełacna M, Godlewski D, Prusaczyk A, Jasiewicz A, Kluz T, Tomiczek-Szwiec J, Kilar-Kobierzycka E, Siołek M, Wiśniowski R, Posmyk R, Jarkiewicz-Tretyn J, Scott R, Lubiński J. Antioxidant Properties of Zinc and Copper-Blood Zinc-to Copper-Ratio as a Marker of Cancer Risk BRCA1 Mutation Carriers. Antioxidants (Basel) 2024; 13:841. [PMID: 39061909 DOI: 10.3390/antiox13070841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/01/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
Pathogenic mutations in BRCA1 (BReast CAncer gene 1) confer high risks of both breast (up to 70%) and ovarian (up to 40%) cancers. Zinc (Zn) and copper (Cu) are essential for various physiological functions, including antioxidant reactions. Their balance, reflected in the Zn/Cu ratio, plays a crucial role in maintaining redox homeostasis, which is vital for cancer prevention. This study examines the antioxidant properties of Zn and Cu, specifically focusing on the blood Zn/Cu ratio as a potential marker for cancer risk among BRCA1 mutation carriers. The study cohort consisted of 989 initially unaffected women, followed up for 7.5 years. Blood samples were analyzed using inductively coupled plasma mass spectrometry. Although individual Zn and Cu levels did not significantly correlate with overall cancer risk, those women with a Zn/Cu ratio above 6.38 experienced a significantly lower cancer risk than women with a ratio below this cut-off point. This suggests that the Zn/Cu ratio may be a valuable biomarker for cancer prevention in this high-risk group. Given the increased cancer risk in BRCA1 mutation carriers, optimizing Zn and Cu levels through dietary and active interventions could provide a preventive strategy.
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Affiliation(s)
- Milena Matuszczak
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
| | - Adam Kiljańczyk
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
| | | | - Róża Derkacz
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Klaudia Stempa
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
| | - Piotr Baszuk
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Marta Bryśkiewicz
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Cezary Cybulski
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Tadeusz Dębniak
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Jacek Gronwald
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
| | - Tomasz Huzarski
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
- Department of Clinical Genetics and Pathology, University of Zielona Góra, ul. Zyty 28, 65-046 Zielona Góra, Poland
| | - Marcin Lener
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
| | - Anna Jakubowska
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Independent Laboratory of Molecular Biology and Genetic Diagnostics, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Marek Szwiec
- Department of Surgery and Oncology, University of Zielona Góra, Zyty 28, 65-046 Zielona Góra, Poland
| | - Małgorzata Stawicka-Niełacna
- Department of Clinical Genetics and Pathology, University of Zielona Góra, ul. Zyty 28, 65-046 Zielona Góra, Poland
| | | | | | - Andrzej Jasiewicz
- Genetic Counseling Center, Subcarpatian Oncological Hospital, 18 Bielawskiego St, 36-200 Brzozów, Poland
| | - Tomasz Kluz
- Department of Gynecology, Gynecology Oncology and Obstetrics, Institute of Medical Sciences, Medical College, Rzeszow University, Rejtana 16c, 35-959 Rzeszow, Poland
| | - Joanna Tomiczek-Szwiec
- Department of Histology, Department of Biology and Genetics, Faculty of Medicine, University of Opole, 45-040 Opole, Poland
| | - Ewa Kilar-Kobierzycka
- Department of Oncology, District Specialist Hospital, Leśna 27-29 St, 58-100 Świdnica, Poland
| | - Monika Siołek
- Holycross Cancer Center, Artwińskiego 3 St, 25-734 Kielce, Poland
| | - Rafał Wiśniowski
- Regional Oncology Hospital, Wyzwolenia 18 St, 43-300 Bielsko Biała, Poland
| | - Renata Posmyk
- Department of Clinical Genetics, Medical University in Bialystok, 15-089 Bialystok, Poland
| | | | - Rodney Scott
- Medical Genetics, Hunter Medical Research Institute, Priority Research Centre for Cancer Research, Innovation and Translation, School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle; Pathology North, John Hunter Hospital, King and Auckland Streets, Newcastle, NSW 2300, Australia
| | - Jan Lubiński
- Department of Genetics and Pathology, International Hereditary Cancer Center, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland
- Read-Gene, Grzepnica, ul. Alabastrowa 8, 72-003 Dobra, Poland
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Merlino F, Marzano S, Zizza P, D’Aria F, Grasso N, Carachino A, Iachettini S, Biroccio A, Fonzo SD, Grieco P, Randazzo A, Amato J, Pagano B. Unlocking the potential of protein-derived peptides to target G-quadruplex DNA: from recognition to anticancer activity. Nucleic Acids Res 2024; 52:6748-6762. [PMID: 38828773 PMCID: PMC11229374 DOI: 10.1093/nar/gkae471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/11/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024] Open
Abstract
Noncanonical nucleic acid structures, particularly G-quadruplexes, have garnered significant attention as potential therapeutic targets in cancer treatment. Here, the recognition of G-quadruplex DNA by peptides derived from the Rap1 protein is explored, with the aim of developing novel peptide-based G-quadruplex ligands with enhanced selectivity and anticancer activity. Biophysical techniques were employed to assess the interaction of a peptide derived from the G-quadruplex-binding domain of the protein with various biologically relevant G-quadruplex structures. Through alanine scanning mutagenesis, key amino acids crucial for G-quadruplex recognition were identified, leading to the discovery of two peptides with improved G-quadruplex-binding properties. However, despite their in vitro efficacy, these peptides showed limited cell penetration and anticancer activity. To overcome this challenge, cell-penetrating peptide (CPP)-conjugated derivatives were designed, some of which exhibited significant cytotoxic effects on cancer cells. Interestingly, selected CPP-conjugated peptides exerted potent anticancer activity across various tumour types via a G-quadruplex-dependent mechanism. These findings underscore the potential of peptide-based G-quadruplex ligands in cancer therapy and pave the way for the development of novel therapeutic strategies targeting these DNA structures.
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Affiliation(s)
- Francesco Merlino
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Simona Marzano
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Pasquale Zizza
- Translational Oncology Research Unit, IRCCS-Regina Elena National Cancer Institute, Rome 00144, Italy
| | - Federica D’Aria
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Nicola Grasso
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Alice Carachino
- Translational Oncology Research Unit, IRCCS-Regina Elena National Cancer Institute, Rome 00144, Italy
| | - Sara Iachettini
- Translational Oncology Research Unit, IRCCS-Regina Elena National Cancer Institute, Rome 00144, Italy
| | - Annamaria Biroccio
- Translational Oncology Research Unit, IRCCS-Regina Elena National Cancer Institute, Rome 00144, Italy
| | - Silvia Di Fonzo
- Elettra-Sincrotrone Trieste S. C. p. A., Science Park, Trieste 34149, Italy
| | - Paolo Grieco
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Antonio Randazzo
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Jussara Amato
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
| | - Bruno Pagano
- Department of Pharmacy, University of Naples Federico II, Naples 80131, Italy
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Lavigne D, Sideris L, de Guerke L, Marchand EL, Fortin S, Dubé P, Vavassis P, Auclair MH, Yassa M. Concurrent Olaparib and Radiation Therapy for BRCA2-Mutated Breast Cancer. Adv Radiat Oncol 2024; 9:101528. [PMID: 38799106 PMCID: PMC11127196 DOI: 10.1016/j.adro.2024.101528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 04/21/2024] [Indexed: 05/29/2024] Open
Affiliation(s)
- Danny Lavigne
- Department of Radiation Oncology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Lucas Sideris
- Department of Surgery, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Lara de Guerke
- Department of Gynecology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Eve-Lyne Marchand
- Department of Radiation Oncology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Suzanne Fortin
- Department of Gynecology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Pierre Dubé
- Department of Surgery, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Peter Vavassis
- Department of Radiation Oncology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Marie-Hélène Auclair
- Department of Gynecology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Michael Yassa
- Department of Radiation Oncology, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
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7
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Kunihisa T, Inubushi S, Tanino H, Hoffman RM. Induction of the DNA-Repair Gene POLQ only in BRCA1-mutant Breast-Cancer Cells by Methionine Restriction. Cancer Genomics Proteomics 2024; 21:399-404. [PMID: 38944428 PMCID: PMC11215430 DOI: 10.21873/cgp.20458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/23/2024] [Accepted: 06/03/2024] [Indexed: 07/01/2024] Open
Abstract
BACKGROUND/AIM BRCA1/2 mutations in breast cancer cells impair homologous recombination and promote alternative end joining (Alt-EJ) for DNA-damage repair. DNA polymerase theta, encoded by POLQ, plays a crucial role in Alt-EJ, making it a potential therapeutic target, particularly in BRCA1/2-mutant cancers. Methionine restriction is a promising approach to target cancer cells due to their addiction to this amino acid. The present study investigated the expression of POLQ in BRCA1/2 wild-type and BRCA1-mutant breast cancer cells under methionine restriction. MATERIALS AND METHODS POLQ mRNA expression was measured using qRT-PCR in BRCA1/2 wild-type (MDA-MB-231) and BRCA1- mutant (HCC1937 and MDA-MB-436) breast-cancer cells under normal, or serum-restricted, or serum- and methionine-restricted conditions. RESULTS Compared to BRCA1/2 wild-type cells, BRCA1-mutant cells displayed significantly higher basal POLQ expression in normal medium. Methionine restriction further increased POLQ expression in the BRCA1-mutant cells but decreased it in the BRCA1/2 wild-type cells. CONCLUSION The present findings suggest that methionine restriction showed differential effects on POLQ expression, potentially impacting Alt-EJ activity, in BRCA1/2 wild-type and BRCA1-mutant breast-cancer cells. Further investigation is needed to explore the potential of combining methionine restriction with DNA-repair inhibitors, such as PARP inhibitors, to overcome drug resistance in BRCA1/2 mutant cancers.
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Affiliation(s)
- Tomonari Kunihisa
- Division of Breast and Endocrine Surgery, Graduate School of Medicine, Kobe University, Hyogo, Japan
| | - Sachiko Inubushi
- Division of Breast and Endocrine Surgery, Graduate School of Medicine, Kobe University, Hyogo, Japan
| | - Hirokazu Tanino
- Department of Thoracic and Cardiovascular Surgery, Wakayama Medical University, Wakayama, Japan
| | - Robert M Hoffman
- AntiCancer Inc, San Diego, CA, U.S.A.;
- Department of Surgery, University of California San Diego, La Jolla, CA, U.S.A
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Qureshi Z, Jamil A, Altaf F, Siddique R, Safi A. Efficacy and Safety of BRCA-targeted Therapy (Polyadenosine Diphosphate-ribose Polymerase Inhibitors) in Treatment of BRCA-mutated Breast Cancer: A Systematic Review and Meta-analysis. Am J Clin Oncol 2024:00000421-990000000-00203. [PMID: 38899756 DOI: 10.1097/coc.0000000000001120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Breast cancer is the second leading cause of women's cancer deaths after lung cancer. Risk factors such as environment, lifestyle, and genetics contribute to its development, including mutation in the breast cancer (BRCA) gene. Polyadenosine diphosphate-ribose polymerase inhibitors (PARPi) target these mutations, benefiting patients with advanced cancers. This review summarizes PARPi' safety and efficacy in the treatment of BRCA-mutated breast cancer. PubMed, The Cochrane Library for Clinical Trials, and Science Direct, were searched for articles from inception to April 2024. Eligible articles were analyzed, and data were extracted for meta-analysis using RevMan 5.4 software with a random-effect model. Out of 430 articles identified from online databases, only 6 randomized control trials including 3610 patients were included in the analysis. PARPi therapy improved progression-free survival (hazard ratio: 0.64; 95% CI: 0.56, 0.73; P< 0.00001) and overall survival (hazard ratio: 0.84; 95% CI: 0.73, 0.98 P = 0.02), according to the analysis. In our safety analysis, the risk of adverse events was not statistically different between PARPi versus chemotherapy (relative risk [RR]: 1.08; 95% CI: 0.44, 2.68; P = 0.86), and combined PARPi and standard chemotherapy (RR: 1.00; 95% CI: 0.93, 1.07; P = 0.80). The only statistically significant difference was observed in anemia, where PARPi increased the risk of developing anemia compared with standard chemotherapy (RR: 6.17; 95% CI: 2.44, 15.58; P = 0.0001). In BRCA-mutated breast cancer, PARPi treatment shows better overall survival and progression-free survival compared with standard chemotherapy or placebo. Furthermore, PARPi, either alone or in combination therapy, does not increase the risk of adverse events in these patients, as per the meta-analysis.
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Affiliation(s)
- Zaheer Qureshi
- The Frank H. Netter M.D. School of Medicine, Quinnipiac University, Bridgeport, CT
| | - Abdur Jamil
- Department of Medicine, Samaritan Medical Centre Watertown
| | - Faryal Altaf
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai/BronxCare Health System
| | | | - Adnan Safi
- Department of Medicine Lahore General Hospital, Pakistan
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9
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Nikolić I, Milisavljević M, Timotijević G. Assessing Transcriptomic Responses to Oxidative Stress: Contrasting Wild-Type Arabidopsis Seedlings with dss1(I) and dss1(V) Gene Knockout Mutants. Int J Mol Sci 2024; 25:6291. [PMID: 38927997 PMCID: PMC11203560 DOI: 10.3390/ijms25126291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 05/24/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Oxidative stress represents a critical facet of the array of abiotic stresses affecting crop growth and yield. In this paper, we investigated the potential differences in the functions of two highly homologous Arabidopsis DSS1 proteins in terms of maintaining genome integrity and response to oxidative stress. In the context of homologous recombination (HR), it was shown that overexpressing AtDSS1(I) using a functional complementation test increases the resistance of the Δdss1 mutant of Ustilago maydis to genotoxic agents. This indicates its conserved role in DNA repair via HR. To investigate the global transcriptome changes occurring in dss1 plant mutant lines, gene expression analysis was conducted using Illumina RNA sequencing technology. Individual RNA libraries were constructed from three total RNA samples isolated from dss1(I), dss1(V), and wild-type (WT) plants under hydrogen peroxide-induced stress. RNA-Seq data analysis and real-time PCR identification revealed major changes in gene expression between mutant lines and WT, while the dss1(I) and dss1(V) mutant lines exhibited analogous transcription profiles. The Kyoto Encyclopedia of Genes and Genomes enrichment analysis revealed significantly enriched metabolic pathways. Notably, genes associated with HR were upregulated in dss1 mutants compared to the WT. Otherwise, genes of the metabolic pathway responsible for the synthesis of secondary metabolites were downregulated in both dss1 mutant lines. These findings highlight the importance of understanding the molecular mechanisms of plant responses to oxidative stress.
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Affiliation(s)
| | | | - Gordana Timotijević
- Group for Plant Molecular Biology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042 Belgrade, Serbia; (I.N.); (M.M.)
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10
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De Lorenzo A, Dos Santos Fernandes MC, Romeiro F, Arpini AP, Dias GM. DNA damage and repair in patients undergoing myocardial perfusion single-photon emission computed tomography. Sci Rep 2024; 14:13079. [PMID: 38844507 PMCID: PMC11156974 DOI: 10.1038/s41598-024-63537-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
As patient exposure to ionizing radiation from medical imaging and its risks are continuing issues, this study aimed to evaluate DNA damage and repair markers after myocardial perfusion single-photon emission computed tomography (MPS). Thirty-two patients undergoing Tc-99m sestamibi MPS were studied. Peripheral blood was collected before radiotracer injection at rest and 60-90 min after injection. The comet assay (single-cell gel electrophoresis) was performed with peripheral blood cells to detect DNA strand breaks. Three descriptors were evaluated: the percentage of DNA in the comet tail, tail length, and tail moment (the product of DNA tail percentage and tail length). Quantitative PCR (qPCR) was performed to evaluate the expression of five genes related to signaling pathways in response to DNA damage and repair (ATM, ATR, BRCA1, CDKN1A, and XPC). Mann-Whitney's test was employed for statistical analysis; p < 0.05 was considered significant. Mean Tc-99m sestamibi dose was 15.1 mCi. After radiotracer injection, comparing post-exposure to pre-exposure samples of each of the 32 patients, no statistically significant differences of the DNA percentage in the tail, tail length or tail moment were found. qPCR revealed increased expression of BRCA1 and XPC, without any significant difference regarding the other genes. No significant increase in DNA strand breaks was detected after a single radiotracer injection for MPS. There was activation of only two repair genes, which may indicate that, in the current patient sample, the effects of ionizing radiation on the DNA were not large enough to trigger intense repair responses, suggesting the absence of significant DNA damage.
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Affiliation(s)
- Andrea De Lorenzo
- Coordenação de Ensino e Pesquisa, Instituto Nacional de Cardiologia, Rua das Laranjeiras 374, Rio de Janeiro, RJ, Brazil.
| | | | - Francisco Romeiro
- Serviço de Medicina Nuclear, Instituto Nacional de Cardiologia, Rio de Janeiro, Brazil
| | - Anna Paula Arpini
- Coordenação de Ensino e Pesquisa, Instituto Nacional de Cardiologia, Rua das Laranjeiras 374, Rio de Janeiro, RJ, Brazil
| | - Glauber Monteiro Dias
- Laboratório de Biologia Celular e Tecidual, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Rio de Janeiro, Brazil
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11
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Buckley DN, Tew BY, Gooden C, Salhia B. A comprehensive analysis of minimally differentially methylated regions common to pediatric and adult solid tumors. NPJ Precis Oncol 2024; 8:125. [PMID: 38824198 PMCID: PMC11144230 DOI: 10.1038/s41698-024-00590-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/14/2024] [Indexed: 06/03/2024] Open
Abstract
Cancer is the second most common cause of death in children aged 1-14 years in the United States, with 11,000 new cases and 1200 deaths annually. Pediatric cancers typically have lower mutational burden compared to adult-onset cancers, however, the epigenomes in pediatric cancer are highly altered, with widespread DNA methylation changes. The rarity of pediatric cancers poses a significant challenge to developing cancer-type specific biomarkers for diagnosis, prognosis, or treatment monitoring. In the current study, we explored the potential of a DNA methylation profile common across various pediatric cancers. To do this, we conducted whole genome bisulfite sequencing (WGBS) on 31 recurrent pediatric tumor tissues, 13 normal tissues, and 20 plasma cell-free (cf)DNA samples, representing 11 different pediatric cancer types. We defined minimal focal regions that were differentially methylated across samples in the multiple cancer types which we termed minimally differentially methylated regions (mDMRs). These methylation changes were also observed in 506 pediatric and 5691 adult cancer samples accessed from publicly available databases, and in 44 pediatric cancer samples we analyzed using a targeted hybridization probe capture assay. Finally, we found that these methylation changes were detectable in cfDNA and could serve as potential cfDNA methylation biomarkers for early detection or minimal residual disease.
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Affiliation(s)
- David N Buckley
- Department of Translational Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Ben Yi Tew
- Department of Translational Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Chris Gooden
- Department of Translational Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Bodour Salhia
- Department of Translational Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA.
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12
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Chang XY, Uchechukwu Edna O, Wang J, Zhang HJ, Zhou JM, Qiu K, Wu SG. Histological and molecular difference in albumen quality between post-adolescent hens and aged hens. Poult Sci 2024; 103:103618. [PMID: 38564835 PMCID: PMC10999699 DOI: 10.1016/j.psj.2024.103618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/15/2024] [Accepted: 03/01/2024] [Indexed: 04/04/2024] Open
Abstract
The decline in albumen quality resulting from aging hens poses a threat to the financial benefits of the egg industry. Exploring the underlying mechanisms from the perspective of cell molecules of albumen formation is significant for the efficient regulation of albumen quality. Two individual groups of Hy-Line Brown layers with ages of 40 (W40) and 100 (W100) wk old were used in the present study. Each group contained over 2,000 birds. This study assessed the egg quality, biochemical indicators and physiological status of hens between W40 and W100. Subsequently, a quantitative proteomic analysis was conducted to identify differences in protein abundance in magnum tissues between W40 and W100. In the W40 group, significant increases (P < 0.05) were notable for albumen quality (thick albumen solid content, albumen height, Haugh unit), serum indices (calcium, estrogen, and progesterone levels), magnum histomorphology (myosin light-chain kinase content, secretory capacity, mucosal fold, goblet cell count and proportion) as well as the total antioxidant capacity of the liver. However, the luminal diameter of the magnum, albumen gel properties and random coil of the albumen were increased (P < 0.05) in the W100 group. The activity of glutathione, superoxidase dismutase, and malondialdehyde in the liver, magnum, and serum did not vary (P > 0.05) among the groups. Proteomic analysis revealed the identification of 118 differentially expressed proteins between the groups, which comprised proteins associated with protein secretion, DNA damage and repair, cell proliferation, growth, antioxidants, and apoptosis. Furthermore, Kyoto Encyclopedia of Genes pathway analysis revealed that BRCA2 and FBN1 were significantly downregulated in Fanconi anemia (FA) and TGF-β signaling pathways in W100, validated through quantitative real-time PCR (qRT-PCR). In conclusion, significant age-related variations in albumen quality, and magnum morphology are regulated by proteins involved in antioxidant capacity.
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Affiliation(s)
- Xin-Yu Chang
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Obianwuna Uchechukwu Edna
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jing Wang
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Hai-Jun Zhang
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jian-Min Zhou
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Kai Qiu
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Shu-Geng Wu
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Laboratory of Quality & Safety Risk Assessment for Products on Feed-origin Risk Factor, Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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13
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van der Merwe NC, Buccimazza I, Rossouw B, Araujo M, Ntaita KS, Schoeman M, Vorster K, Napo K, Kotze MJ, Oosthuizen J. Clinical relevance of double heterozygosity revealed by next-generation sequencing of homologous recombination repair pathway genes in South African breast cancer patients. Breast Cancer Res Treat 2024:10.1007/s10549-024-07362-2. [PMID: 38814507 DOI: 10.1007/s10549-024-07362-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 04/24/2024] [Indexed: 05/31/2024]
Abstract
PURPOSE Genetically predisposed breast cancer (BC) patients represent a minor but clinically meaningful subgroup of the disease, with 25% of all cases associated with actionable variants in BRCA1/2. Diagnostic implementation of next-generation sequencing (NGS) resulted in the rare identification of BC patients with double heterozygosity for deleterious variants in genes partaking in homologous recombination repair of DNA. As clinical heterogeneity poses challenges for genetic counseling, this study focused on the occurrence and clinical relevance of double heterozygous BC in South Africa. METHODS DNA samples were diagnostically screened using the NGS-based Oncomine™ BRCA Expanded Research Assay. Data was generated on the Ion GeneStudio S5 system and analyzed using the Torrent Suite™ and reporter software. The clinical significance of the variants detected was determined using international variant classification guidelines and treatment implications. RESULTS Six of 1600 BC patients (0.375%) tested were identified as being bi-allelic for two germline likely pathogenic or pathogenic variants. Most of the variants were present in BRCA1/2, including two founder-related small deletions in three cases, with family-specific variants detected in ATM, BARD1, FANCD2, NBN, and TP53. The scientific interpretation and clinical relevance were based on the clinical and tumor characteristics of each case. CONCLUSION This study increased current knowledge of the risk implications associated with the co-occurrence of more than one pathogenic variant in the BC susceptibility genes, confirmed to be a rare condition in South Africa. Further molecular pathology-based studies are warranted to determine whether clinical decision-making is affected by the detection of a second pathogenic variant in BRCA1/2 and TP53 carriers.
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Affiliation(s)
- Nerina C van der Merwe
- Division of Human Genetics, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa.
- Division of Human Genetics, National Health Laboratory Service, Universitas Hospital, Bloemfontein, South Africa.
| | - Ines Buccimazza
- Genetics Unit, Inkosi Albert Luthuli General Hospital, Durban, South Africa
- Department of Surgery, Nelson R Mandela School of Medicine, Inkosi Albert Luthuli General Hospital, Durban, South Africa
| | - Bianca Rossouw
- Division of Human Genetics, National Health Laboratory Service, Braamfontein, Johannesburg, South Africa
- Division of Human Genetics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Monica Araujo
- Division of Human Genetics, National Health Laboratory Service, Braamfontein, Johannesburg, South Africa
- Division of Human Genetics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Kholiwe S Ntaita
- Division of Human Genetics, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
- Division of Human Genetics, National Health Laboratory Service, Universitas Hospital, Bloemfontein, South Africa
| | - Mardelle Schoeman
- Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Karin Vorster
- Department of Oncology, Free State Department of Health, Universitas Annex Hospital, Bloemfontein, South Africa
- Department of Oncology, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Kgabo Napo
- Department of Oncology, Free State Department of Health, Universitas Annex Hospital, Bloemfontein, South Africa
- Department of Oncology, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Maritha J Kotze
- Division of Chemical Pathology, Department of Pathology, National Health Laboratory Service, Tygerberg Hospital, Cape Town, South Africa
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Jaco Oosthuizen
- Division of Human Genetics, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
- Division of Human Genetics, National Health Laboratory Service, Universitas Hospital, Bloemfontein, South Africa
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14
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Gassib N, Issa H, Loubaki L, Behaz S, Almutairi MH, Rouabhia M, Semlali A. Cellular mechanisms mediating the anti-cancer effects of carnosol on gingiva carcinoma. Sci Rep 2024; 14:12266. [PMID: 38806527 PMCID: PMC11133392 DOI: 10.1038/s41598-024-60797-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 04/26/2024] [Indexed: 05/30/2024] Open
Abstract
Carnosol, a rosemary polyphenol, displays anticancer properties and is suggested as a safer alternative to conventional surgery, radiotherapy, and chemotherapy. Given that its effects on gingiva carcinoma have not yet been investigated, the aim of this study was to explore its anti-tumor selectivity and to unravel its underlying mechanisms of action. Hence, oral tongue and gingiva carcinoma cell lines exposed to carnosol were analyzed to estimate cytotoxicity, cell viability, cell proliferation, and colony formation potential as compared with those of normal cells. Key cell cycle and apoptotic markers were also measured. Finally, cell migration, oxidative stress, and crucial cell signaling pathways were assessed. Selective anti-gingiva carcinoma activity was disclosed. Overall, carnosol mediated colony formation and proliferation suppression in addition to cytotoxicity induction. Cell cycle arrest was highlighted by the disruption of the c-myc oncogene/p53 tumor suppressor balance. Carnosol also increased apoptosis, oxidative stress, and antioxidant activity. On a larger scale, the alteration of cell cycle and apoptotic profiles was also demonstrated by QPCR array. This was most likely achieved by controlling the STAT5, ERK1/2, p38, and NF-ĸB signaling pathways. Lastly, carnosol reduced inflammation and invasion ability by modulating IL-6 and MMP9/TIMP-1 axes. This study establishes a robust foundation, urging extensive inquiry both in vivo and in clinical settings, to substantiate the efficacy of carnosol in managing gingiva carcinoma.
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Affiliation(s)
- Nassima Gassib
- Groupe de recherche en écologie buccale, Faculté de médecine dentaire, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Hawraa Issa
- Groupe de recherche en écologie buccale, Faculté de médecine dentaire, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Lionel Loubaki
- Héma-Québec, 1070, Avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Sarah Behaz
- Groupe de recherche en écologie buccale, Faculté de médecine dentaire, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Mikhlid H Almutairi
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Mahmoud Rouabhia
- Groupe de recherche en écologie buccale, Faculté de médecine dentaire, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Abdelhabib Semlali
- Groupe de recherche en écologie buccale, Faculté de médecine dentaire, Université Laval, Québec, QC, G1V 0A6, Canada.
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15
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Liu Q, Huang CS, Chen S, Zhu YQ, Huang XT, Zhao GY, Xu QC, Shi YH, Li W, Wang R, Yin XY. ADAR1 promotes cisplatin resistance in intrahepatic cholangiocarcinoma by regulating BRCA2 expression through A-to-I editing manner. Cell Prolif 2024:e13659. [PMID: 38773866 DOI: 10.1111/cpr.13659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/20/2024] [Accepted: 05/03/2024] [Indexed: 05/24/2024] Open
Abstract
Aberrant A-to-I RNA editing, mediated by ADAR1 has been found to be associated with increased tumourigenesis and the development of chemotherapy resistance in various types of cancer. Intrahepatic cholangiocarcinoma (iCCA) is a highly aggressive malignancy with a poor prognosis, and overcoming chemotherapy resistance poses a significant clinical challenge. This study aimed to clarify the roles of ADAR1 in tumour resistance to cisplatin in iCCA. We discovered that ADAR1 expression is elevated in iCCA patients, particularly in those resistant to cisplatin, and associated with poor clinical outcomes. Downregulation of ADAR1 can increase the sensitivity of iCCA cells to cisplatin treatment, whereas its overexpression has the inverse effect. By integrating RNA sequencing and Sanger sequencing, we identified BRCA2, a critical DNA damage repair gene, as a downstream target of ADAR1 in iCCA. ADAR1 mediates the A-to-I editing in BRCA2 3'UTR, inhibiting miR-3157-5p binding, consequently increasing BRCA2 mRNA and protein levels. Furthermore, ADAR1 enhances cellular DNA damage repair ability and facilitates cisplatin resistance in iCCA cells. Combining ADAR1 targeting with cisplatin treatment markedly enhances the anticancer efficacy of cisplatin. In conclusion, ADAR1 promotes tumour progression and cisplatin resistance of iCCA. ADAR1 targeting could inform the development of innovative combination therapies for iCCA.
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Affiliation(s)
- Qi Liu
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Chen-Song Huang
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Siyun Chen
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, China
| | - Ying-Qin Zhu
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xi-Tai Huang
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Guang-Yin Zhao
- Department of Animal Experiment Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiong-Cong Xu
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yin-Hao Shi
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Wen Li
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ruizhi Wang
- Department of Laboratory Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Yu Yin
- Department of Pancreato-Biliary Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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16
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Muvaffak A, Coleman KG. PARP inhibitor synthetic lethality in ATM biallelic mutant cancer cell lines is associated with BRCA1/2 and RAD51 downregulation. Front Oncol 2024; 14:1380633. [PMID: 38807759 PMCID: PMC11131418 DOI: 10.3389/fonc.2024.1380633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/10/2024] [Indexed: 05/30/2024] Open
Abstract
Background Ataxia telangiectasia-mutated (ATM) kinase is a central regulator of the DNA damage response (DDR) signaling pathway, and its function is critical for the maintenance of genomic stability in cells that coordinate a network of cellular processes, including DNA replication, DNA repair, and cell cycle progression. ATM is frequently mutated in human cancers, and approximately 3% of lung cancers have biallelic mutations in ATM, i.e., including 3.5% of lung adenocarcinomas (LUAD) and 1.4% of lung squamous cell carcinomas (LUSC). Methods We investigated the potential of targeting the DDR pathway in lung cancer as a potential therapeutic approach. In this context, we examined whether ATM loss is synthetically lethal with niraparib monotherapy. This exploration involved the use of hATM knockout (KO) isogenic cell lines containing hATM homozygous (-/-) and heterozygous (+/-) generated via CRISPR/Cas9 gene knockout technology in DLD-1, a human colorectal adenocarcinoma cell line. Subsequently, we extended our investigation to non-small cell lung cancer (NSCLC) patient derived xenograft (PDX) models for further validation of poly ADP-ribose polymerase inhibitor (PARPi) synthetic lethality in ATM mutant NSCLC models. Results Here, we demonstared that biallelic hATM deletion (-/-) in DLD-1 impairs homologous recombination (HR) repair function and sensitizes cells to the PARPi, niraparib. Niraparib also caused significant tumor regression in one-third of the NSCLC PDX models harboring deleterious biallelic ATM mutations. Loss of hATM (-/-) was concomitantly associated with low BRCA1 and BRCA2 protein expression in both the hATM (-/-) DLD-1 cell line and PARPi-sensitive ATM mutant NSCLC PDX models, suggesting a downstream effect on the impairment of HR-mediated DNA checkpoint signaling. Further analysis revealed that loss of ATM led to inhibition of phosphorylation of MRN (Mre11-Rad50-NBS1) complex proteins, which are required for ATM-mediated downstream phosphorylation of p53, BRCA1, and CHK2. Conclusions Taken together, our findings highlight that the synthetic lethality of niraparib in ATM-deficient tumors can be regulated through a subsequent effect on the modulation of BRCA1/2 expression and its effect on HR function.
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Affiliation(s)
- Asli Muvaffak
- Oncology, GlaxoSmithKline, Cambridge, MA, United States
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17
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Guo X, Ma Y, Zhang T, Liu R, Chang F, Yan X, Yu T, Wu P, Li Q, Xu L, Duan J, Li L, Su Y, Shao G. The deubiquitinating enzyme USP4 regulates BRCA1 stability and function. NPJ Breast Cancer 2024; 10:35. [PMID: 38734703 PMCID: PMC11088691 DOI: 10.1038/s41523-024-00641-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
BRCA1 plays a suppressive role in breast tumorigenesis. Ubiquitin-dependent degradation is a common mechanism that regulates BRCA1 protein stability, and several ubiquitin ligases involved have been identified. However, the deubiquitinating enzyme for BRCA1 remains less defined. Here, we report that the deubiquitinase USP4 interacts with, deubiquitinates and stabilizes BRCA1, maintaining the protein level of BRCA1. USP4 knockdown results in a decreased BRCA1 protein level, impairment in homologous recombination mediated double-stranded break repair, and increased genome instability, and confers resistance to DNA damage-inducing agents and PARP inhibitors. Ectopic expression of USP4 stabilizes BRCA1 and reverse the effects caused by USP4 knockdown. Moreover, USP4 is low expressed in human breast cancer tissues and its low expression correlates with poorer survival of patients. Furthermore, we identified several loss-of-function mutations of USP4 in human gynecological cancers, the catalytic activity of which or their interaction with BRCA1 is disrupted. Together, we reveal that USP4 is a deubiquitinase for BRCA1. USP4 positively regulates the stability and function of BRCA1 through de-ubiquitination, and plays important role in the suppression of breast cancer.
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Affiliation(s)
- Xueyuan Guo
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Yanfang Ma
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Ting Zhang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Runyu Liu
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Fen Chang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Xingyue Yan
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Tianyun Yu
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Pengfei Wu
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Qin Li
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Luzheng Xu
- Center of Medical and Health Analysis, Peking University Health Science Center, Beijing, 100191, China
| | - Junyi Duan
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Li Li
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Yanrong Su
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center-Temple University Health System, Philadelphia, PA, 19111, USA
| | - Genze Shao
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China.
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Sahu RK, Tandon S, Singh S, Das BC, Hedau ST. Methyl CpG binding protein MBD2 has a regulatory role on the BRCA1 gene expression and its modulation by resveratrol in ER+, PR+ & triple-negative breast cancer cells. BMC Cancer 2024; 24:566. [PMID: 38711004 PMCID: PMC11071212 DOI: 10.1186/s12885-024-12274-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 04/16/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Resveratrol has demonstrated its ability to regulate BRCA1 gene expression in breast cancer cells, and previous studies have established the binding of MBD proteins to BRCA1 gene promoter regions. However, the molecular mechanism underlying these interactions remains to be elucidated. The aimed to evaluate the impact of MBD proteins on the regulation of BRCA1, BRCA2, and p16 genes and their consequential effects on breast cancer cells. METHODS Efficacy of resveratrol was assessed using the MTT assay. Binding interactions were investigated through EMSA, ChIP, & MeIP assay. Expression analyses of MBD genes and proteins were conducted using qRT-PCR and western blotting, respectively. Functional assays, including clonogenic, migratory, and sphere formation assays were used to assess cancer cells' colony-forming, metastatic, and tumor-forming abilities. The cytotoxicity of resveratrol on cancer cells was also tested using an apoptosis assay. RESULTS The study determined an IC50 of 30µM for resveratrol. MBD proteins were found to bind to the BRCA1 gene promoter. Resveratrol exhibited regulatory effects on MBD gene expression, subsequently impacting BRCA1 gene expression and protein levels. Higher concentrations of resveratrol resulted in reduced colony and sphere formation, decreases migration of cancer cells, and an increases number of apoptotic cells in breast cancer cells. Impact Identification of MBD2-BRCA1 axis indicates their significant role in the induction of apoptosis and reduction of metastasis and proliferation in breast cancer cells. Further therapy can be designed to target these MBD proteins and resveratrol could be used along with other anticancer drugs to target breast cancer. CONCLUSIONS In conclusion MBD2 protein interact to the BRCA1 gene promoter, and resveratrol modulates MBD2 gene expression, which in turn regulates BRCA1 gene expression, and inhibits cell proliferation, migration, and induces apoptosis in ER+, PR+ & Triple negative breast cancer cells.
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Affiliation(s)
- Ram Krishna Sahu
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India
- Amity Institute of Molecular Medicine & Stem Cell Research, Amity University, Noida, Uttar Pradesh, 201313, India
| | | | - Shalini Singh
- Division of Clinical Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India
| | - Bhudev Chandra Das
- Amity Institute of Molecular Medicine & Stem Cell Research, Amity University, Noida, Uttar Pradesh, 201313, India
| | - Suresh T Hedau
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India.
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19
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Ferreira Almeida C, Correia-da-Silva G, Teixeira N, Amaral C. Influence of tumor microenvironment on the different breast cancer subtypes and applied therapies. Biochem Pharmacol 2024; 223:116178. [PMID: 38561089 DOI: 10.1016/j.bcp.2024.116178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/15/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
Despite the significant improvements made in breast cancer therapy during the last decades, this disease still has increasing incidence and mortality rates. Different targets involved in general processes, like cell proliferation and survival, have become alternative therapeutic options for this disease, with some of them already used in clinic, like the CDK4/6 inhibitors for luminal A tumors treatment. Nevertheless, there is a demand for novel therapeutic strategies focused not only on tumor cells, but also on their microenvironment. Tumor microenvironment (TME) is a very complex and dynamic system that, more than surrounding and supporting tumor cells, actively participates in tumor development and progression. During the last decades, it has become clear that the cellular and acellular components of TME differ between the various breast cancer subtypes and shape the differences regarding their severity and prognosis. The pivotal role of the TME in controlling tumor growth and influencing responses to therapy represents a potential source for novel targets and therapeutic strategies. In this review, we present a description of the multiple therapeutic options used for different breast cancer subtypes, as well as the influence that the TME may exert on the development of the disease and on the response to the distinct therapies, which in some cases may explain their failure by the occurrence of relapses and resistance. Furthermore, the ongoing studies focused on the use of TME components for developing potential cancer treatments are described.
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Affiliation(s)
- Cristina Ferreira Almeida
- UCIBIO, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Georgina Correia-da-Silva
- UCIBIO, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
| | - Natércia Teixeira
- UCIBIO, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Cristina Amaral
- UCIBIO, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
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20
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Miyazawa K, Itoh Y, Fu H, Miyazono K. Receptor-activated transcription factors and beyond: multiple modes of Smad2/3-dependent transmission of TGF-β signaling. J Biol Chem 2024; 300:107256. [PMID: 38569937 PMCID: PMC11063908 DOI: 10.1016/j.jbc.2024.107256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/28/2024] [Accepted: 03/05/2024] [Indexed: 04/05/2024] Open
Abstract
Transforming growth factor β (TGF-β) is a pleiotropic cytokine that is widely distributed throughout the body. Its receptor proteins, TGF-β type I and type II receptors, are also ubiquitously expressed. Therefore, the regulation of various signaling outputs in a context-dependent manner is a critical issue in this field. Smad proteins were originally identified as signal-activated transcription factors similar to signal transducer and activator of transcription proteins. Smads are activated by serine phosphorylation mediated by intrinsic receptor dual specificity kinases of the TGF-β family, indicating that Smads are receptor-restricted effector molecules downstream of ligands of the TGF-β family. Smad proteins have other functions in addition to transcriptional regulation, including post-transcriptional regulation of micro-RNA processing, pre-mRNA splicing, and m6A methylation. Recent technical advances have identified a novel landscape of Smad-dependent signal transduction, including regulation of mitochondrial function without involving regulation of gene expression. Therefore, Smad proteins are receptor-activated transcription factors and also act as intracellular signaling modulators with multiple modes of function. In this review, we discuss the role of Smad proteins as receptor-activated transcription factors and beyond. We also describe the functional differences between Smad2 and Smad3, two receptor-activated Smad proteins downstream of TGF-β, activin, myostatin, growth and differentiation factor (GDF) 11, and Nodal.
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Affiliation(s)
- Keiji Miyazawa
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan.
| | - Yuka Itoh
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hao Fu
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Kohei Miyazono
- Department of Applied Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Laboratory for Cancer Invasion and Metastasis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
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21
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Gant KL, Patankar MS, Campagnola PJ. A Perspective Review: Analyzing Collagen Alterations in Ovarian Cancer by High-Resolution Optical Microscopy. Cancers (Basel) 2024; 16:1560. [PMID: 38672642 PMCID: PMC11048585 DOI: 10.3390/cancers16081560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
High-grade serous ovarian cancer (HGSOC) is the predominant subtype of ovarian cancer (OC), occurring in more than 80% of patients diagnosed with this malignancy. Histological and genetic analysis have confirmed the secretory epithelial of the fallopian tube (FT) as a major site of origin of HGSOC. Although there have been significant strides in our understanding of this disease, early stage detection and diagnosis are still rare. Current clinical imaging modalities lack the ability to detect early stage pathogenesis in the fallopian tubes and the ovaries. However, there are several microscopic imaging techniques used to analyze the structural modifications in the extracellular matrix (ECM) protein collagen in ex vivo FT and ovarian tissues that potentially can be modified to fit the clinical setting. In this perspective, we evaluate and compare the myriad of optical tools available to visualize these alterations and the invaluable insights these data provide on HGSOC initiation. We also discuss the clinical implications of these findings and how these data may help novel tools for early diagnosis of HGSOC.
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Affiliation(s)
- Kristal L. Gant
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI 53706, USA;
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Manish S. Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI 53706, USA;
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Paul J. Campagnola
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA
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22
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Wang J, Cai L, Huang G, Wang C, Zhang Z, Xu J. CENPA and BRCA1 are potential biomarkers associated with immune infiltration in heart failure and pan-cancer. Heliyon 2024; 10:e28786. [PMID: 38576566 PMCID: PMC10990859 DOI: 10.1016/j.heliyon.2024.e28786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 04/06/2024] Open
Abstract
Heart failure (HF) and cancer are the two leading causes of death worldwide and affect one another in a bidirectional way. We aimed to identify hub therapeutic genes as potential biomarkers for the identification and treatment of HF and cancer. Gene expression data of heart samples from patients with ischemic HF (IHF) and healthy controls were retrieved from the GSE42955 and GSE57338 databases. Difference analysis and weighted gene co-expression network analysis (WGCNA) were used to identify key modules associated with IHF. The overlapping genes were subjected to gene and protein enrichment analyses to construct a protein-protein interaction (PPI) network, which was screened for hub genes among the overlapping genes. A total of eight hub genes were subjected to correlation, immune cell infiltration, and ROC analyses. Then we analyzed the roles of two significant genes in 33 tumor types to explore their potential as common targets in HF and cancer. A total of 85 genes were identified by WGCNA and differentially expressed gene (DEG) analyses. BRCA1, MED17, CENPA, RXRA, RXRB, SMARCA2, CDCA2, and PMS2 were identified as the hub genes with IHF. Finally, CENPA and BRCA1 were identified as potential common targets for IHF and cancer. These findings provide new perspectives for expanding our understanding of the etiology and underlying mechanisms of HF and cancer.
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Affiliation(s)
- Jian Wang
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
| | - Lin Cai
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
| | - Gang Huang
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
| | - Chunbin Wang
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
| | - Zhen Zhang
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
- Chengdu Institute of Cardiovascular Disease, 82 Qinglong Street, Chengdu, 610014, China
| | - Junbo Xu
- Department of Cardiology, The Affiliated Hospital of Southwest Jiaotong University, 82 Qinglong Street, Chengdu, 610014, China
- Department of Cardiology, The Third People's Hospital of Chengdu, 82 Qinglong Street, Chengdu, 610014, China
- Chengdu Institute of Cardiovascular Disease, 82 Qinglong Street, Chengdu, 610014, China
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23
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Zhou Y, Peng S, Wang H, Cai X, Wang Q. Review of Personalized Medicine and Pharmacogenomics of Anti-Cancer Compounds and Natural Products. Genes (Basel) 2024; 15:468. [PMID: 38674402 PMCID: PMC11049652 DOI: 10.3390/genes15040468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 04/28/2024] Open
Abstract
In recent years, the FDA has approved numerous anti-cancer drugs that are mutation-based for clinical use. These drugs have improved the precision of treatment and reduced adverse effects and side effects. Personalized therapy is a prominent and hot topic of current medicine and also represents the future direction of development. With the continuous advancements in gene sequencing and high-throughput screening, research and development strategies for personalized clinical drugs have developed rapidly. This review elaborates the recent personalized treatment strategies, which include artificial intelligence, multi-omics analysis, chemical proteomics, and computation-aided drug design. These technologies rely on the molecular classification of diseases, the global signaling network within organisms, and new models for all targets, which significantly support the development of personalized medicine. Meanwhile, we summarize chemical drugs, such as lorlatinib, osimertinib, and other natural products, that deliver personalized therapeutic effects based on genetic mutations. This review also highlights potential challenges in interpreting genetic mutations and combining drugs, while providing new ideas for the development of personalized medicine and pharmacogenomics in cancer study.
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Affiliation(s)
- Yalan Zhou
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (Y.Z.); (S.P.); (H.W.)
| | - Siqi Peng
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (Y.Z.); (S.P.); (H.W.)
| | - Huizhen Wang
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (Y.Z.); (S.P.); (H.W.)
| | - Xinyin Cai
- Shanghai R&D Centre for Standardization of Chinese Medicines, Shanghai 202103, China
| | - Qingzhong Wang
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (Y.Z.); (S.P.); (H.W.)
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24
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Nie H, Saini P, Miyamoto T, Liao L, Zielinski RJ, Liu H, Zhou W, Wang C, Murphy B, Towers M, Yang T, Qi Y, Kannan T, Kossenkov A, Tateno H, Claiborne DT, Zhang N, Abdel-Mohsen M, Zhang R. Targeting branched N-glycans and fucosylation sensitizes ovarian tumors to immune checkpoint blockade. Nat Commun 2024; 15:2853. [PMID: 38565883 PMCID: PMC10987604 DOI: 10.1038/s41467-024-47069-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
Aberrant glycosylation is a crucial strategy employed by cancer cells to evade cellular immunity. However, it's unclear whether homologous recombination (HR) status-dependent glycosylation can be therapeutically explored. Here, we show that the inhibition of branched N-glycans sensitizes HR-proficient, but not HR-deficient, epithelial ovarian cancers (EOCs) to immune checkpoint blockade (ICB). In contrast to fucosylation whose inhibition sensitizes EOCs to anti-PD-L1 immunotherapy regardless of HR-status, we observe an enrichment of branched N-glycans on HR-proficient compared to HR-deficient EOCs. Mechanistically, BRCA1/2 transcriptionally promotes the expression of MGAT5, the enzyme responsible for catalyzing branched N-glycans. The branched N-glycans on HR-proficient tumors augment their resistance to anti-PD-L1 by enhancing its binding with PD-1 on CD8+ T cells. In orthotopic, syngeneic EOC models in female mice, inhibiting branched N-glycans using 2-Deoxy-D-glucose sensitizes HR-proficient, but not HR-deficient EOCs, to anti-PD-L1. These findings indicate branched N-glycans as promising therapeutic targets whose inhibition sensitizes HR-proficient EOCs to ICB by overcoming immune evasion.
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Affiliation(s)
- Hao Nie
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Pratima Saini
- Vaccine and Immunotherapy Center, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Taito Miyamoto
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Liping Liao
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Rafal J Zielinski
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Heng Liu
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Wei Zhou
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Chen Wang
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Brennah Murphy
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Martina Towers
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Tyler Yang
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Yuan Qi
- Department of Bioinformatics & Computational Biology, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Toshitha Kannan
- Bioinformatics Facility, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Andrew Kossenkov
- Gene Expression and Regulation Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8566, Japan
| | - Daniel T Claiborne
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Nan Zhang
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Mohamed Abdel-Mohsen
- Vaccine and Immunotherapy Center, The Wistar Institute, Philadelphia, PA, 19104, USA.
| | - Rugang Zhang
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA.
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA.
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25
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O'Quigley J. Making sense of breast cancer risk estimates. Genet Epidemiol 2024; 48:141-147. [PMID: 38334222 DOI: 10.1002/gepi.22550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/18/2023] [Accepted: 01/08/2024] [Indexed: 02/10/2024]
Abstract
Individual probabilistic assessments on the risk of cancer, primary or secondary, will not be understood by most patients. That is the essence of our arguments in this paper. Greater understanding can be achieved by extensive, intensive, and detailed counseling. But since probability itself is a concept that easily escapes our everyday intuition-consider the famous Monte Hall paradox-then it would also be wise to advise patients and potential patients, to not put undue weight on any probabilistic assessment. Such assessments can be of value to the epidemiologist in the investigation of different potential etiologies describing cancer evolution or to the clinical trialist as a way to maximize design efficiency. But to an ordinary individual we cannot anticipate that these assessments will be correctly interpreted.
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Affiliation(s)
- John O'Quigley
- Department of Statistical Science, University College London, London, UK
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26
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Rodrigues DB, Moreira HR, Jarnalo M, Horta R, Marques AP, Reis RL, Pirraco RP. Generation of 3D melanoma models using an assembloid-based approach. Acta Biomater 2024; 178:93-110. [PMID: 38382833 DOI: 10.1016/j.actbio.2024.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/31/2024] [Accepted: 02/13/2024] [Indexed: 02/23/2024]
Abstract
While 3D tumor models have greatly evolved over the past years, there is still a strong requirement for more biosimilar models which are capable of recapitulating cellular crosstalk within the tumor microenvironment while equally displaying representative levels of tumor aggressiveness and invasion. Herein, we disclose an assembloid melanoma model based on the fusion of individual stromal multicellular spheroids (MCSs). In contrast to more traditional tumor models, we show that it is possible to develop self-organizing, heterotypic melanoma models where tumor cells present stem-cell like features like up-regulated pluripotency master regulators SOX2, POU5F1 and NANOG. Additionally, these assembloids display high levels of invasiveness while embedded in 3D matrices as evidenced by stromal cell promotion of melanoma cell invasion via metalloproteinase production. Furthermore, sensitivity to anticancer drug doxorubicin was demonstrated for the melanoma assembloid model. These findings suggest that melanoma assembloids may play a significant role in the field of 3D cancer models as they more closely mimic the tumor microenvironment when compared to more traditional MCSs, opening the doors to a better understanding of the role of tumor microenvironment in supporting tumor progression. STATEMENT OF SIGNIFICANCE: The development of complex 3D tumor models that better recapitulate the tumor microenvironment is crucial for both an improved comprehension of intercellular crosstalk and for more efficient drug screening. We have herein developed a self-organizing heterotypic assembloid-based melanoma model capable of closely mimicking the tumor microenvironment. Key features recapitulated were the preservation of cancer cell stemness, sensitivity to anti-cancer agents and tumor cell invasion promoted by stromal cells. The approach of pre-establishing distinct stromal domains for subsequent combination into more complex tumor constructs provides a route for developing superior tumor models with a higher degree of similarity to native cancer tissues.
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Affiliation(s)
- Daniel B Rodrigues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães 4805-017, Portugal
| | - Helena R Moreira
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães 4805-017, Portugal
| | - Mariana Jarnalo
- Department of Plastic and Reconstructive Surgery, and Burn Unity, Centro Hospitalar de São João, Porto, Portugal; Faculty of Medicine - University of Porto, Portugal
| | - Ricardo Horta
- Department of Plastic and Reconstructive Surgery, and Burn Unity, Centro Hospitalar de São João, Porto, Portugal; Faculty of Medicine - University of Porto, Portugal
| | - Alexandra P Marques
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães 4805-017, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães 4805-017, Portugal
| | - Rogério P Pirraco
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães 4805-017, Portugal.
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27
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Zhang X, Xu Q, Zhang Y. Remarkable response to pazopanib plus vivolumab in a patient with pericardial synovial sarcoma carrying a novel genotype BRCA2 c.968dupT: A case report. Thorac Cancer 2024; 15:667-671. [PMID: 38323364 DOI: 10.1111/1759-7714.15237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/20/2024] [Indexed: 02/08/2024] Open
Abstract
Pericardial synovial sarcomas (PSS) have a low incidence rate and are highly invasive with a dismal prognosis. Standard treatment includes surgery, radiotherapy and chemotherapy but with limited response. Here, we report the case of a 15-year-old nonsmoking youngster diagnosed with PSS who developed disease relapsed from surgery after 1 month. Next-generation sequencing (NGS) using baseline tissue was performed, and BRCA2 c.968dupT was detected. Then pazopanib (a multitargeted inhibitor) plus nivolumab (an immune checkpoint inhibitor) was administered, with a partial response and progression-free survival of 14 months. BRCA2 c.968dupT has not previously been reported in PSS and its response to targeted combination immunotherapy are not well characterized. Here, we report the efficacy of pazopanib combined with nivolumab in a PSS patient harboring BRCA2 c.968dupT and also provide the clinical evidence of the utility of NGS in exploring actionable mutations for solid tumor. Combination therapy based on immunotherapy may be a potential treatment choice for PSS harboring BRCA2 mutation.
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Affiliation(s)
- Xing Zhang
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital, Department of Medical Oncology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Changsha, Hunan, China
| | - Qinqin Xu
- Department of Medical Oncology, Qinghai Provincial People's Hospital, Xining, Qinghai, China
| | - Yongchang Zhang
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital, Department of Medical Oncology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Changsha, Hunan, China
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Panahandeh AR, Delashoub M, Aval SF. The effect of human umbilical cord mesenchymal stem cells conditioned medium combined with tamoxifen drug on BRCA1 and BRCA2 expression in breast cancer mouse models. Mol Biol Rep 2024; 51:241. [PMID: 38300337 DOI: 10.1007/s11033-023-08926-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/24/2023] [Indexed: 02/02/2024]
Abstract
BACKGROUND A growing number of studies has indicated that the expression of Breast Cancer Susceptibility Genes 1 (BRCA1) and BRCA2 contribute to the resistance to DNA-damaging chemotherapies. Tamoxifen induces tumor cell death by suppressing estrogen receptor (ER) signaling and inducing DNA damage, and BRCA1 upregulation causes Tamoxifen chemoresistance in breast cancer cells. Consequently, this research study aimed to investigate the possible therapeutic effect of Human Umbilical Cord Mesenchymal Stem Cells Conditioned Medium (UCMSCs-CM) on sensitizing breast cancer cells to Tamoxifen by regulating BRCA1 and BRCA2 expression in vivo. METHODS Forty female mice, 4-8 weeks old, with weight of 150 g, were used for this study. Mouse 4T1 breast tumor models were established and then treated with UCMSCs-CM and Tamoxifen alone or in combination. After 10 days, the tumor masses were collected and the expression levels of BRCA1 and BRCA2 were evaluated using qRT-PCR assay. RESULTS The results obtained from qRT-PCR assay illustrated that UCMSCs-CM, either alone or in combination with Tamoxifen, significantly downregulated the mRNA expression levels of BRCA1 in breast cancer mouse models. However, both UCMSCs-CM and Tamoxifen indicated no statistically significant impact on BRCA2 mRNA expression compared to controls. CONCLUSION Our findings evidenced that UCMSCs-CM could be considered as a potential therapeutic option to modulate Tamoxifen chemosensitivity by regulating BRCA1 in breast cancer.
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Affiliation(s)
- Ahmad Reza Panahandeh
- Department of Basic Science, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Masoud Delashoub
- Department of Basic Science, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran.
- Department of basic science, Biotechnology Research Centre, Tabriz Branch, Islamic Azad University, Tabriz, Iran.
| | - Sedigheh Fekri Aval
- Department of Basic Science, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
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Ticha P, Sukop A. Patient-reported outcomes in bilateral prophylactic mastectomy with breast reconstruction: A narrative review. Breast 2024; 73:103602. [PMID: 37995427 PMCID: PMC10709055 DOI: 10.1016/j.breast.2023.103602] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023] Open
Abstract
In women at high risk of developing breast cancer, bilateral prophylactic mastectomy (BPM) 1 significantly reduces the risk; simultaneously, breast reconstruction preserves body integrity. Given the complex and personal nature of such surgical procedures, patient assessment of satisfaction and health-related quality of life (HRQoL) 2 is essential in evaluation of surgical outcomes. With this review, we aim to organize the current knowledge on patient-reported outcomes (PROs) 3 in bilateral prophylactic surgery. Literature search was conducted using the databases Google Scholar, PubMed, and Web of Science to address the following questions, which can help clinicians and women undergoing the procedures navigate their healthcare decision-making process: How does BPM with reconstruction influence cancer-related distress? How does the surgery impact patient satisfaction and HRQoL? How do preoperative PROs differ from postoperative outcomes? Does the type of BPM and the type of reconstruction impact patient satisfaction and HRQoL? Furthermore, we summarize available patient-reported outcome measures (PROMs) 4 that can be administered to women undergoing BPM with reconstruction. In addition, we discuss possible future directions for PRO research in prophylactic breast surgery.
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Affiliation(s)
- Pavla Ticha
- Department of Plastic Surgery, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Srobarova 50, 10034, Praha 10, Czech Republic.
| | - Andrej Sukop
- Department of Plastic Surgery, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Srobarova 50, 10034, Praha 10, Czech Republic.
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30
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Li L, Li S, Zhang X, Mei L, Fu X, Dai M, Wei N. Establishing the role of BRCA1 in the diagnosis, prognosis and immune infiltrates of breast invasive cancer by bioinformatics analysis and experimental validation. Aging (Albany NY) 2024; 16:1077-1095. [PMID: 38224491 PMCID: PMC10866431 DOI: 10.18632/aging.205366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/16/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Breast cancer susceptibility gene 1 (BRCA1) is a well-known gene that acts a vital role in suppressing the growth of tumors. Previous studies have primarily focused on the genetic mutations of BRCA1 and its association with hereditary breast invasive carcinoma (BRCA). However, little research has been done to investigate the relationship between BRCA1 and immune infiltrates and prognosis in BRCA. METHODS We obtained the expression profiles and clinical information of patients with BRCA from the Cancer Genome Atlas (TCGA) database. The levels of the BRCA1 gene between BRCA tissues and normal breast tissues were compared through the Wilcoxon rank-sum test. Additionally, we performed WB and RT-qPCR techniques to detect the expression of BRCA1. We conducted functional enrichment analyses. Furthermore, we assessed immune cell infiltration using a single-sample gene set enrichment analysis. The methylation status of the BRCA1 gene was analyzed using the UALCAN and MethSurv databases. The Cox regression analysis and (KM) Kaplan-Meier method were employed to determine the prognostic value of BRCA1. In order to provide a practical tool for predicting the overall survival rates at different time points, we also constructed a nomogram. RESULTS Our analysis revealed that the expression of BRCA1 was significantly higher in BRCA tissues compared to normal tissues. Furthermore, this increased level of BRCA1 was found to be associated with specific BRCA subtypes, including T2, stage II, ER positive, ect. Importantly, the overexpression of BRCA1 was shown to be a negative prognostic marker for the overall survival rates of BRCA patients. Moreover, low methylation status of the BRCA1 gene was related to a poorer prognosis. Furthermore, our results indicated that high levels of BRCA1 are related to a decrease in level of killer immune cells, such as natural killer (NK) cells, macrophages, CD8+ T cells, and plasma-like dendritic cells (pDCs) within the tumor microenvironment. CONCLUSIONS Our study is the first to provide evidence indicating that the presence of BRCA1 can serve as a reliable marker for both diagnosing and determining the prognosis of BRCA. Moreover, BRCA1 acts as a crucial indicator of the cancer's potential to infiltrate and invade the immune system, which has important implications for developing targeted therapies in BRCA.
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Affiliation(s)
- Leilei Li
- Department of Pathology, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Shuangyan Li
- Department of Oncology, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Xuyang Zhang
- Department of Hepatobiliary, Second Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Liying Mei
- Department of Breast Surgery, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China
| | - Xueqin Fu
- Department of Breast Surgery, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China
| | - Min Dai
- Department of Breast Surgery, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China
| | - Na Wei
- Department of Breast Surgery, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China
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31
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Li PC, Zhu YF, Cao WM, Li B. ER-positive and BRCA2-mutated breast cancer: a literature review. Eur J Med Res 2024; 29:30. [PMID: 38184581 PMCID: PMC10770892 DOI: 10.1186/s40001-023-01618-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 12/24/2023] [Indexed: 01/08/2024] Open
Abstract
BRCA2-mutated carriers have a high lifetime risk of breast cancer (BC), an early age of onset, and an increased risk of other cancers (including ovarian, pancreatic, and prostate cancer). Almost 70-80% of BRCA2-mutated BC are estrogen receptor (ER)-positive, which is a particular type of ER-positive BC that differs from sporadic ER-positive BC. This article reviews the clinicopathological features, treatment, and prognosis of ER-positive and BRCA2-mutated BC to provide a reference for clinical decision-making.
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Affiliation(s)
- Pu-Chun Li
- Postgraduate Training Base Alliance of Wenzhou Medical University (Zhejiang Cancer Hospital), Hangzhou, 310022, China
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Yi-Fan Zhu
- Postgraduate Training Base Alliance of Wenzhou Medical University (Zhejiang Cancer Hospital), Hangzhou, 310022, China
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Wen-Ming Cao
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, China.
| | - Bei Li
- Department of Geriatric, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, China.
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32
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Li Y, Du W, Yang R, Wei X, Li H, Zhang X. Copper Chaperone for Superoxide Dismutase Subtypes as a Prognostic Marker in Luminal B Breast Cancer. Clin Med Insights Oncol 2024; 18:11795549231219239. [PMID: 38187458 PMCID: PMC10771053 DOI: 10.1177/11795549231219239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 11/17/2023] [Indexed: 01/09/2024] Open
Abstract
Background Copper chaperone for superoxide dismutase (CCS) is an essential component of the oxidation-reduction system. In breast cancer cells, CCS expression is highly up-regulated, which contributes to cellular proliferation and migration. Breast cancer is a multifaceted disease with different tumor prognoses and responses to clinical treatments, which may be associated with multiple molecular subtypes of CCS. Methods The CCS expression patterns in breast cancer were investigated by TNMplot, cBioPortal, and HPA network database. The correlation of CCS expression with clinicopathological parameters was analyzed using the UALCAN database. The Cancer Genome Atlas (TCGA) data set was used to analyze the Clinical characteristics of CCS in luminal B patients. The bc-GenExMiner database was used to analyze the effects of BReast-CAncer susceptibility gene (BRCA)1/2, TP53 mutation status, estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor (HER) expression on CCS expression. The survival curves and prognostic value of CCS in luminal B breast cancer were performed through Kaplan-Meier curves, univariate and multivariate Cox regression using the PrognoScan, bc-GenExMiner, and Clinical bioinformatics analysis platform. Results We found that CCS expression was associated with patient age, race, ER, and PR status. We also discovered that BRCA1/2 mutations had an effect on CCS expression. The luminal B subtype had the highest CCS expression, which was linked to poor survival compared with other subtypes. In addition, Kaplan-Meier curve analysis showed that luminal B patients with high CCS mRNA expression showed a poor survival and the CCS gene is an independent predictor of outcome in patients with luminal B breast cancer by univariate and multivariate Cox regression. Conclusions Our findings emphasize the significant expression of CCS in luminal B breast cancer and its potential as an autonomous prognostic determinant for this specific molecular subtype. These findings suggest that CCS holds promise as a prospective marker for the treatment of luminal B breast cancer.
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Affiliation(s)
- Yanping Li
- Precision Medicine Laboratory for Chronic Non-communicable Diseases of Shandong Province, Institute of Precision Medicine, Jining Medical University, Jining, China
| | - Wenfei Du
- Precision Medicine Laboratory for Chronic Non-communicable Diseases of Shandong Province, Institute of Precision Medicine, Jining Medical University, Jining, China
| | - Rui Yang
- Precision Medicine Laboratory for Chronic Non-communicable Diseases of Shandong Province, Institute of Precision Medicine, Jining Medical University, Jining, China
| | - Xiaonan Wei
- Precision Medicine Laboratory for Chronic Non-communicable Diseases of Shandong Province, Institute of Precision Medicine, Jining Medical University, Jining, China
| | - Haibin Li
- Precision Medicine Laboratory for Chronic Non-communicable Diseases of Shandong Province, Institute of Precision Medicine, Jining Medical University, Jining, China
| | - Xiaoyuan Zhang
- Comprehensive Medical Training Center, Jining Medical University, Jining, China
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Tornillo G, Warrington L, Kendrick H, Higgins AT, Hay T, Beck S, Smalley MJ. Conditional in vivo deletion of LYN kinase has little effect on a BRCA1 loss-of-function-associated mammary tumour model. Dis Model Mech 2024; 17:dmm050211. [PMID: 38149669 PMCID: PMC10846530 DOI: 10.1242/dmm.050211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 12/15/2023] [Indexed: 12/28/2023] Open
Abstract
LYN kinase is expressed in BRCA1 loss-of-function-dependent mouse mammary tumours, in the cells of origin of such tumours, and in human breast cancer. Suppressing LYN kinase activity in BRCA1-defective cell lines as well as in in vitro cultures of Brca1-null mouse mammary tumours is deleterious to their growth. Here, we examined the interaction between LYN kinase and BRCA1 loss-of-function in an in vivo mouse mammary tumour model, using conditional knockout Brca1 and Lyn alleles. Comparison of Brca1 tumour cohorts showed little difference in mammary tumour formation between animals that were wild type, heterozygous or homozygous for the conditional Lyn allele, although this was confounded by factors including incomplete Lyn recombination in some tumours. RNA-sequencing analysis demonstrated that tumours with high levels of Lyn gene expression had a slower doubling time, but this was not correlated with levels of LYN staining in tumour cells themselves. Rather, high Lyn expression and slower tumour growth were likely a result of B-cell infiltration. The multifaceted role of LYN indicates that it is likely to present difficulties as a therapeutic target in breast cancer.
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Affiliation(s)
- Giusy Tornillo
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Lauren Warrington
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Howard Kendrick
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Adam T. Higgins
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Trevor Hay
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Sam Beck
- Independent Anatomic Pathology Ltd, Calyx House, South Road, Taunton TA1 3DU, UK
| | - Matthew J. Smalley
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
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Behl T, Kumar A, Vishakha, Sehgal A, Singh S, Sharma N, Yadav S, Rashid S, Ali N, Ahmed AS, Vargas-De-La-Cruz C, Bungau SG, Khan H. Understanding the mechanistic pathways and clinical aspects associated with protein and gene based biomarkers in breast cancer. Int J Biol Macromol 2023; 253:126595. [PMID: 37648139 DOI: 10.1016/j.ijbiomac.2023.126595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/22/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Cancer is one of the most widespread and severe diseases with a huge mortality rate. In recent years, the second-leading mortality rate of any cancer globally has been breast cancer, which is one of the most common and deadly cancers found in women. Detecting breast cancer in its initial stages simplifies treatment, decreases death risk, and recovers survival rates for patients. The death rate for breast cancer has risen to 0.024 % in some regions. Sensitive and accurate technologies are required for the preclinical detection of BC at an initial stage. Biomarkers play a very crucial role in the early identification as well as diagnosis of women with breast cancer. Currently, a wide variety of cancer biomarkers have been discovered for the diagnosis of cancer. For the identification of these biomarkers from serum or other body fluids at physiological amounts, many detection methods have been developed. In the case of breast cancer, biomarkers are especially helpful in discovering those who are more likely to develop the disease, determining prognosis at the time of initial diagnosis and choosing the best systemic therapy. In this study we have compiled various clinical aspects and signaling pathways associated with protein-based biomarkers and gene-based biomarkers.
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Affiliation(s)
- Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Dehradun 248007, Uttarakhand, India
| | - Ankush Kumar
- Institute of Pharmaceutical Sciences, IET Bhaddal Technical Campus, Ropar 140108, Punjab, India
| | - Vishakha
- Institute of Pharmaceutical Sciences, IET Bhaddal Technical Campus, Ropar 140108, Punjab, India
| | - Aayush Sehgal
- GHG Khalsa College of Pharmacy, Gurusar Sadhar, 141104 Ludhiana, Punjab, India
| | - Sukhbir Singh
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala 133203, Haryana, India
| | - Neelam Sharma
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala 133203, Haryana, India
| | - Shivam Yadav
- School of Pharmacy, Babu Banarasi Das University, Lucknow 226028, Uttar Pradesh, India
| | - Summya Rashid
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia.
| | - Nemat Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadah 11451, Saudi Arabia
| | - Amira Saber Ahmed
- Hormones Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza 12622, Egypt
| | - Celia Vargas-De-La-Cruz
- Department of Pharmacology, Bromatology and Toxicology, Faculty of Pharmacy and Biochemistry, Universidad Nacional Mayor de San Marcos, Lima 150001, Peru; E-Health Research Center, Universidad de Ciencias y Humanidades, Lima 15001, Peru
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410087, Romania; Doctoral School of Biomedical Sciences, University of Oradea, Oradea 410087, Romania
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan.
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Li C, Sun S, Zhuang Y, Luo Z, Ji G, Liu Z. CTSB Nuclear Translocation Facilitates DNA Damage and Lysosomal Stress to Promote Retinoblastoma Cell Death. Mol Biotechnol 2023:10.1007/s12033-023-01042-0. [PMID: 38159170 DOI: 10.1007/s12033-023-01042-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Retinoblastoma (RB) is a pernicious tumor originating from photoreceptor precursor cells that often endangers the lives of children. The purpose of our study was to further investigate the influence of cathepsin B (CTSB) nuclear translocation on RB cell death. Y79 cells were injected into the vitreous cavity of nude mice at a dose of 4 µL/mouse to establish an animal model of RB. Real-time quantitative polymerase chain reaction (RT-qPCR), Western blot analysis, a comet assay, a Cell Counting Kit-8 (CCK-8) assay and flow cytometry were used to measure the levels of the interrelated genes and proteins and to evaluate alterations in autophagy, apoptosis, proliferation, DNA damage and cell cycle arrest. CTSB was found to be expressed at low levels in RB animal model samples and RB cell lines. Functionally, CTSB nuclear translocation promoted DNA damage, cell cycle arrest, ferroptosis and autophagy in Y79 cells and inhibited their proliferation. Downstream mechanistic studies showed that nuclear translocation of CTSB facilitates DNA damage and cell cycle arrest in RB cells by inhibiting breast cancer 1 protein (BRCA1) expression and also activates the signal transducer and activator of transcription 3/stimulator of interferon response cGAMP interactor 1 (STAT3/STING1) pathway to induce lysosomal stress, leading to ferroptosis and autophagy in Y79 cells and alleviating RB. Nuclear translocation of CTSB facilitates DNA damage and cell cycle arrest in RB cells by inhibiting BRCA1 expression and activating the STAT3/STING1 pathway and induces lysosomal stress, which eventually leads to ferroptosis and autophagy and mitigates RB.
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Affiliation(s)
- Cairui Li
- Department of Ophthalmology, Dali Prefecture People's Hospital (The Third Affiliated Hospital of Dali University), Dali, Yunnan, 671003, China.
| | - Shuguang Sun
- Department of Endocrine, The First Affiliated Hospital of Dali University, Dali, Yunnan, 671003, China
| | - Yanmei Zhuang
- Department of Ophthalmology, Weishan County People's Hospital, Weishan, Yunnan, 672400, China
| | - Zhaokui Luo
- Department of Ophthalmology, Jingdong County Hospital in Yunnan Province, Jingdong, Yunnan, 665700, China
| | - Guangquan Ji
- Department of Ophthalmology, Jingdong County Traditional Chinese Medicine Hospital in Yunnan Province, Jingdong, Yunnan, 665700, China
| | - Zhong Liu
- Department of Surgery, Weishan County People's Hospital, Weishan, Yunnan, 672400, China
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Wang N. Editorial: Case reports in breast cancer : 2022. Front Oncol 2023; 13:1330225. [PMID: 38162508 PMCID: PMC10755864 DOI: 10.3389/fonc.2023.1330225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 11/30/2023] [Indexed: 01/03/2024] Open
Affiliation(s)
- Nan Wang
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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37
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Mohebifar H, Sabbaghian A, Farazmandfar T, Golalipour M. Construction and analysis of pseudogene-related ceRNA network in breast cancer. Sci Rep 2023; 13:21874. [PMID: 38072995 PMCID: PMC10711010 DOI: 10.1038/s41598-023-49110-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/04/2023] [Indexed: 12/18/2023] Open
Abstract
Breast cancer (BC) is one of the leading causes of cancer-related deaths in women. The present study explored the potential role of pseudogenes in BC via construction and analysis of a competing endogenous RNA (ceRNA) network through a three-step process. First, we screened differentially expressed genes in nine BC datasets. Then the gene-pseudogenes pairs (nine hub genes) were selected according to the functional enrichment and correlation analysis. Second, the candidate hub genes and interacting miRNAs were used to construct the ceRNA network. Further analysis of the ceRNA network revealed a crucial ceRNA module with two genes-pseudogene pairs and two miRNAs. The in-depth analysis identified the GBP1/hsa-miR-30d-5p/GBP1P1 axis as a potential tumorigenic axis in BC patients. In the third step, the GBP1/hsa-miR-30d-5p/GBP1P1 axis expression level was assessed in 40 tumor/normal BC patients and MCF-7 cell lines. The expression of GBP1 and GBP1P1 was significantly higher in the tumor compared to the normal tissue. However, the expression of hsa-miR-30d-5p was lower in tumor samples. Then, we introduced the GBP1P1 pseudogene into the MCF-7 cell line to evaluate its effect on GBP1 and hsa-miR-30d-5p expression. As expected, the GBP1 level increased while the hsa-miR-30d-5p level decreased in the GBP1P1-overexprsssing cell line. In addition, the oncogenic properties of MCF-7 (cell viability, clonogenicity, and migration) were improved after GBP1P1 overexpression. In conclusion, we report a ceRNA network that may provide new insight into the role of pseudogenes in BC development.
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Affiliation(s)
- Hossein Mohebifar
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Shastkola Road, Falsafi Complex, Gorgān, 4934174611, Iran
| | - Amir Sabbaghian
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Shastkola Road, Falsafi Complex, Gorgān, 4934174611, Iran
| | - Touraj Farazmandfar
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Shastkola Road, Falsafi Complex, Gorgān, 4934174611, Iran
| | - Masoud Golalipour
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Shastkola Road, Falsafi Complex, Gorgān, 4934174611, Iran.
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Bews HJ, Mackic L, Jassal DS. Preventing broken hearts in women with breast cancer: a concise review on chemotherapy-mediated cardiotoxicity. Can J Physiol Pharmacol 2023. [PMID: 38039515 DOI: 10.1139/cjpp-2023-0358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Cancer and cardiovascular disease are the leading causes of death for Canadian women. One in eight Canadian women will receive the life-changing diagnosis of breast cancer (BC) in their lifetime, with 1 in 34 dying from the disease. Although doxorubicin (DOX) and trastuzumab (TRZ) have significantly improved survival in women diagnosed with human epidermal growth factor receptor 2 (HER2)-positive BC, approximately one in four women who receive this treatment are at risk of developing chemotherapy-induced cardiotoxicity. Cardiotoxicity is defined as a decline in left ventricular ejection fraction (LVEF) of >10% to an absolute value of <53%. Current guidelines recommend the serial monitoring of LVEF in this patient population using non-invasive cardiac imaging modalities including transthoracic echocardiography or multi-gated acquisition scan; however, this will only allow for the detection of established cardiotoxicity. Recent studies have demonstrated that a reduction in global longitudinal strain by speckle tracking echocardiography can identify pre-clinical systolic dysfunction prior to a decline in overall LVEF. Implementation of early detection techniques would allow for the prompt initiation of cardioprotective strategies. In addition to the early detection of chemotherapy-mediated cardiotoxicity, the prophylactic use of angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, β-blockers, statins, exercise, and nutraceutical therapies have been studied in the setting of cardio-oncology.
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Affiliation(s)
- Hilary J Bews
- Section of Cardiology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Lana Mackic
- Institute of Cardiovascular Sciences, St. Boniface Hospital, University of Manitoba, Winnipeg, MB, Canada
| | - Davinder S Jassal
- Section of Cardiology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital, University of Manitoba, Winnipeg, MB, Canada
- Department of Radiology, St. Boniface Hospital, University of Manitoba, Winnipeg, MB, Canada
- Department of Physiology and Pathophysiology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
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Tosa I, Ruscitto A, Wang Z, Chen KZ, Ono M, Embree MC. Bulk RNA-seq analyses of mandibular condylar cartilage in a post-traumatic TMJ osteoarthritis rabbit model. Orthod Craniofac Res 2023; 26 Suppl 1:131-141. [PMID: 36891610 DOI: 10.1111/ocr.12649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/01/2023] [Accepted: 02/07/2023] [Indexed: 03/10/2023]
Abstract
OBJECTIVE The temporomandibular joint (TMJ) is anatomically comprised of the mandibular condylar cartilage (CC) lined with fibrocartilaginous superficial zone and is crucial for eating and dental occlusion. TMJ osteoarthritis (OA) leads to pain, joint dysfunction and permanent loss of cartilage tissue. However, there are no drugs clinically available that ameliorate OA and little is known about global profiles of genes that contribute to TMJ OA. Furthermore, animal models that recapitulate the complexity of signalling pathways contributing to OA pathogenesis are crucial for designing novel biologics that thwart OA progression. We have previously developed a New Zealand white rabbit TMJ injury model that demonstrates CC degeneration. Here, we performed genome-wide profiling to identify new signalling pathways critical for cellular functions during OA pathology. MATERIALS AND METHODS Temporomandibular joint OA was surgically induced in New Zealand white rabbits. Three months following injury, we performed global gene expression profiling of the TMJ condyle. RNA samples from TMJ condyles were subjected to sequencing. After raw RNA-seq data were mapped to relevant genomes, differential expression was analysed with DESeq2. Gene ontology enrichment analysis and Kyoto Encyclopedia of Genes and Genomes pathway analysis were conducted. RESULTS/CONCLUSIONS Our study revealed multiple pathways altered during TMJ OA induction including the Wnt, Notch and PI3K-Akt signalling pathways. We demonstrate an animal model that recapitulates the complexity of the cues and signals underlying TMJ OA pathogenesis, which is essential for developing and testing novel pharmacologic agents to treat OA.
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Affiliation(s)
- Ikue Tosa
- Cartilage Biology and Regenerative Medicine Laboratory, College of Dental Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Angela Ruscitto
- Cartilage Biology and Regenerative Medicine Laboratory, College of Dental Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Ziyi Wang
- Department of Molecular Biology and Biochemistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - Kira Z Chen
- Cartilage Biology and Regenerative Medicine Laboratory, College of Dental Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Mitsuaki Ono
- Department of Molecular Biology and Biochemistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Mildred C Embree
- Cartilage Biology and Regenerative Medicine Laboratory, College of Dental Medicine, Columbia University Irving Medical Center, New York, New York, USA
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Wu L, Lin Q, Chatla S, Amarachintha S, Wilson AF, Atale N, Gao ZJ, Joseph J, Wolff EV, Du W. LepR+ niche cell-derived AREG compromises hematopoietic stem cell maintenance under conditions of DNA repair deficiency and aging. Blood 2023; 142:1529-1542. [PMID: 37584437 PMCID: PMC10656728 DOI: 10.1182/blood.2022018212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/17/2023] Open
Abstract
The cross talk between extrinsic niche-derived and intrinsic hematopoietic stem cell (HSC) factors controlling HSC maintenance remains elusive. Here, we demonstrated that amphiregulin (AREG) from bone marrow (BM) leptin receptor (LepR+) niche cells is an important factor that mediates the cross talk between the BM niche and HSCs in stem cell maintenance. Mice deficient of the DNA repair gene Brca2, specifically in LepR+ cells (LepR-Cre;Brca2fl/fl), exhibited increased frequencies of total and myeloid-biased HSCs. Furthermore, HSCs from LepR-Cre;Brca2fl/fl mice showed compromised repopulation, increased expansion of donor-derived, myeloid-biased HSCs, and increased myeloid output. Brca2-deficient BM LepR+ cells exhibited persistent DNA damage-inducible overproduction of AREG. Ex vivo treatment of wild-type HSCs or systemic treatment of C57BL/6 mice with recombinant AREG impaired repopulation, leading to HSC exhaustion. Conversely, inhibition of AREG by an anti-AREG-neutralizing antibody or deletion of the Areg gene in LepR-Cre;Brca2fl/fl mice rescued HSC defects caused by AREG. Mechanistically, AREG activated the phosphoinositide 3-kinases (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathway, promoted HSC cycling, and compromised HSC quiescence. Finally, we demonstrated that BM LepR+ niche cells from other DNA repair-deficient and aged mice also showed persistent DNA damage-associated overexpression of AREG, which exerts similar negative effects on HSC maintenance. Therefore, we identified an important factor that regulates HSCs function under conditions of DNA repair deficiency and aging.
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Affiliation(s)
- Limei Wu
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Qiqi Lin
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Srinivas Chatla
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA
| | - Surya Amarachintha
- Department of Biology, Georgia Southwestern State University, Americus, GA
| | - Andrew F Wilson
- Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Neha Atale
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Zhenxia J Gao
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Jonathan Joseph
- University of Pittsburgh Medical Center Medical Education, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Emily V Wolff
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Wei Du
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
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Chen H, Hu Y, Zhuang Z, Wang D, Ye Z, Jing J, Cheng X. Advancements and Obstacles of PARP Inhibitors in Gastric Cancer. Cancers (Basel) 2023; 15:5114. [PMID: 37958290 PMCID: PMC10647262 DOI: 10.3390/cancers15215114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 11/15/2023] Open
Abstract
Gastric cancer (GC) is a common and aggressive cancer of the digestive system, exhibiting high aggressiveness and significant heterogeneity. Despite advancements in improving survival rates over the past few decades, GC continues to carry a worrisome prognosis and notable mortality. As a result, there is an urgent need for novel therapeutic approaches to address GC. Recent targeted sequencing studies have revealed frequent mutations in DNA damage repair (DDR) pathway genes in many GC patients. These mutations lead to an increased reliance on poly (adenosine diphosphate-ribose) polymerase (PARP) for DNA repair, making PARP inhibitors (PARPi) a promising treatment option for GC. This article presents a comprehensive overview of the rationale and development of PARPi, highlighting its progress and challenges in both preclinical and clinical research for treating GC.
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Affiliation(s)
- Hongjie Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China; (H.C.); (Y.H.); (D.W.)
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
| | - Yangchan Hu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China; (H.C.); (Y.H.); (D.W.)
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
| | - Zirui Zhuang
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
- School of Molecular Medicine, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences (UCAS), Hangzhou 310024, China
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Dingyi Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China; (H.C.); (Y.H.); (D.W.)
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
| | - Zu Ye
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
- Zhejiang Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer, Hangzhou 310022, China
| | - Ji Jing
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
- Zhejiang Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer, Hangzhou 310022, China
| | - Xiangdong Cheng
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China;
- Zhejiang Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer, Hangzhou 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou 310022, China
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De Marco K, Sanese P, Simone C, Grossi V. Histone and DNA Methylation as Epigenetic Regulators of DNA Damage Repair in Gastric Cancer and Emerging Therapeutic Opportunities. Cancers (Basel) 2023; 15:4976. [PMID: 37894343 PMCID: PMC10605360 DOI: 10.3390/cancers15204976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/25/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
Gastric cancer (GC), one of the most common malignancies worldwide, is a heterogeneous disease developing from the accumulation of genetic and epigenetic changes. One of the most critical epigenetic alterations in GC is DNA and histone methylation, which affects multiple processes in the cell nucleus, including gene expression and DNA damage repair (DDR). Indeed, the aberrant expression of histone methyltransferases and demethylases influences chromatin accessibility to the DNA repair machinery; moreover, overexpression of DNA methyltransferases results in promoter hypermethylation, which can suppress the transcription of genes involved in DNA repair. Several DDR mechanisms have been recognized so far, with homologous recombination (HR) being the main pathway involved in the repair of double-strand breaks. An increasing number of defective HR genes are emerging in GC, resulting in the identification of important determinants of therapeutic response to DDR inhibitors. This review describes how both histone and DNA methylation affect DDR in the context of GC and discusses how alterations in DDR can help identify new molecular targets to devise more effective therapeutic strategies for GC, with a particular focus on HR-deficient tumors.
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Affiliation(s)
- Katia De Marco
- Medical Genetics, National Institute of Gastroenterology—IRCCS “Saverio de Bellis” Research Hospital, Castellana Grotte, 70013 Bari, Italy; (K.D.M.); (P.S.)
| | - Paola Sanese
- Medical Genetics, National Institute of Gastroenterology—IRCCS “Saverio de Bellis” Research Hospital, Castellana Grotte, 70013 Bari, Italy; (K.D.M.); (P.S.)
| | - Cristiano Simone
- Medical Genetics, National Institute of Gastroenterology—IRCCS “Saverio de Bellis” Research Hospital, Castellana Grotte, 70013 Bari, Italy; (K.D.M.); (P.S.)
- Medical Genetics, Department of Precision and Regenerative Medicine and Jonic Area (DiMePRe-J), University of Bari Aldo Moro, 70124 Bari, Italy
| | - Valentina Grossi
- Medical Genetics, National Institute of Gastroenterology—IRCCS “Saverio de Bellis” Research Hospital, Castellana Grotte, 70013 Bari, Italy; (K.D.M.); (P.S.)
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Fanale D, Corsini LR, Pedone E, Randazzo U, Fiorino A, Di Piazza M, Brando C, Magrin L, Contino S, Piraino P, Bazan Russo TD, Cipolla C, Russo A, Bazan V. Potential agnostic role of BRCA alterations in patients with several solid tumors: One for all, all for one? Crit Rev Oncol Hematol 2023; 190:104086. [PMID: 37536445 DOI: 10.1016/j.critrevonc.2023.104086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023] Open
Abstract
Germline BRCA1/2 alterations in the Homologous Recombination (HR) pathway are considered as main susceptibility biomarkers to Hereditary Breast and Ovarian Cancers (HBOC). The modern molecular biology technologies allowed to characterize germline and somatic BRCA1/2 alterations in several malignancies, broadening the landscape of BRCA1/2-alterated tumors. In the last years, BRCA genetic testing, beyond the preventive value, also assumed a predictive and prognostic significance for patient management. The approval of molecules with agnostic indication is leading to a new clinical model, defined "mutational". Among these drugs, the Poly (ADP)-Ribose Polymerase inhibitors (PARPi) for BRCA1/2-deficient tumors were widely studied leading to increasing therapeutic implications. In this Review we provided an overview of the main clinical studies describing the association between BRCA-mutated tumors and PARPi response, focusing on the controversial evidence about the potential agnostic indication based on BRCA1/2 alterations in several solid tumors.
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Affiliation(s)
- Daniele Fanale
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Lidia Rita Corsini
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Erika Pedone
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Ugo Randazzo
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Alessia Fiorino
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Marianna Di Piazza
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Chiara Brando
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Luigi Magrin
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Silvia Contino
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Paola Piraino
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Tancredi Didier Bazan Russo
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Calogero Cipolla
- Division of General and Oncological Surgery, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
| | - Antonio Russo
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy.
| | - Viviana Bazan
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
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Liu W, Zeng Y, Hao X, Wang X, Liu J, Gao T, Wang M, Zhang J, Huo M, Hu T, Ma T, Zhang D, Teng X, Yu H, Zhang M, Yuan B, Huang W, Yang Y, Wang Y. JARID2 coordinates with the NuRD complex to facilitate breast tumorigenesis through response to adipocyte-derived leptin. Cancer Commun (Lond) 2023; 43:1117-1142. [PMID: 37658635 PMCID: PMC10565380 DOI: 10.1002/cac2.12479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 05/21/2023] [Accepted: 08/21/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Proteins containing the Jumonji C (JmjC) domain participated in tumorigenesis and cancer progression. However, the mechanisms underlying this effect are still poorly understood. Our objective was to investigate the role of Jumonji and the AT-rich interaction domain-containing 2 (JARID2) - a JmjC family protein - in breast cancer, as well as its latent association with obesity. METHODS Immunohistochemistry, The Cancer Genome Atlas, Gene Expression Omnibus, and other databases were used to analyze the expression of JARID2 in breast cancer cells. Growth curve, 5-ethynyl-2-deoxyuridine (EdU), colony formation, and cell invasion experiments were used to detect whether JARID2 affected breast cancer cell proliferation and invasion. Spheroidization-based experiments and xenotumor transplantation in NOD/SCID mice were used to examine the association between JARID2 and breast cancer stemness. RNA-sequencing, Kyoto Encyclopedia of Genes and Genomes, and Gene Set Enrichment Analysis were used to identify the cell processes in which JARID2 participates. Immunoaffinity purification and silver staining mass spectrometry were conducted to search for proteins that might interact with JARID2. The results were further verified using co-immunoprecipitation and glutathione S-transferase (GST) pull-down experiments. Using chromatin immunoprecipitation (ChIP) sequencing, we sought the target genes that JARID2 and metastasis-associated protein 1 (MTA1) jointly regulated; the results were validated by ChIP-PCR, quantitative ChIP (qChIP) and ChIP-reChIP assays. A coculture experiment was used to explore the interactions between breast cancer cells and adipocytes. RESULTS In this study, we found that JARID2 was highly expressed in multiple types of cancer including breast cancer. JARID2 promoted glycolysis, lipid metabolism, proliferation, invasion, and stemness of breast cancer cells. Furthermore, JARID2 physically interacted with the nucleosome remodeling and deacetylase (NuRD) complex, transcriptionally repressing a series of tumor suppressor genes such as BRCA2 DNA repair associated (BRCA2), RB transcriptional corepressor 1 (RB1), and inositol polyphosphate-4-phosphatase type II B (INPP4B). Additionally, JARID2 expression was regulated by the obesity-associated adipokine leptin via Janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) pathway in the breast cancer microenvironment. Analysis of various online databases also indicated that JARID2/MTA1 was associated with a poor prognosis of breast cancer. CONCLUSION Our data indicated that JARID2 promoted breast tumorigenesis and development, confirming JARID2 as a target for cancer treatment.
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Affiliation(s)
- Wei Liu
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Yi Zeng
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
- Department of Biochemistry and Molecular BiologySchool of Basic Medical ScienceSouthwest Medical UniversityLuzhouSichuanP. R. China
| | - Xinhui Hao
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
| | - Xin Wang
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Jiaxiang Liu
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Tianyang Gao
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
| | - Mengdi Wang
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
| | - Jingyao Zhang
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Miaomiao Huo
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Ting Hu
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Tianyu Ma
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Die Zhang
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Xu Teng
- Beijing Key Laboratory of Cancer Invasion and Metastasis ResearchDepartment of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijingP. R. China
| | - Hefen Yu
- Beijing Key Laboratory of Cancer Invasion and Metastasis ResearchDepartment of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijingP. R. China
| | - Min Zhang
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Baowen Yuan
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Wei Huang
- Beijing Key Laboratory of Cancer Invasion and Metastasis ResearchDepartment of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijingP. R. China
| | - Yunkai Yang
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
| | - Yan Wang
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinP. R. China
- Key Laboratory of Cancer and MicrobiomeState Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP. R. China
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Zhang Z, Zhang R, Li D. Molecular Biology Mechanisms and Emerging Therapeutics of Triple-Negative Breast Cancer. Biologics 2023; 17:113-128. [PMID: 37767463 PMCID: PMC10520847 DOI: 10.2147/btt.s426392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer that is conventionally characterized by the absence of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER2), accounting for approximately 15-20% of all breast cancers. Compared to other molecular phenotypes, TNBC is typically associated with high malignancy and poor prognosis. Cytotoxic agents have been the mainstay of treatment for the past few decades due to the lack of definitive targets and limited therapeutic interventions. However, recent developments have demonstrated that TNBC has peculiar molecular classifications and biomarkers, which provide the possibility of evolving treatment from basic cytotoxic chemotherapy to an expanding domain of targeted therapies. This review presents a framework for understanding the current clinical experience surrounding molecular biology mechanisms in TNBC (Figure 1). Including immunotherapy, polymerase (PARP) and PI3K/AKT pathway inhibitors, antibody-drug conjugates, and androgen receptor (AR) blockade. Additionally, the role of miRNA therapeutics targeting TNBC and potential strategies targeting cancer stem cells (CSCs) are discussed and highlighted. As more and more treatments arise on the horizon, we believe that patients with TNBC will have a new sense of hope.
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Affiliation(s)
- Zhiying Zhang
- Inner Mongolia Medical University, Department of Thyroid Breast Surgery, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia, 010050, People’s Republic of China
| | - Rui Zhang
- Inner Mongolia Medical University, Department of Thyroid Breast Surgery, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia, 010050, People’s Republic of China
| | - Donghai Li
- Inner Mongolia Medical University, Department of Thyroid Breast Surgery, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia, 010050, People’s Republic of China
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LIU F, WEI Y, WANG Z. β-D-Glucan promotes NF-κB activation and ameliorates high-LET carbon-ion irradiation-induced human umbilical vein endothelial cell injury. Turk J Med Sci 2023; 53:1621-1634. [PMID: 38813508 PMCID: PMC10760591 DOI: 10.55730/1300-0144.5731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 12/12/2023] [Accepted: 09/21/2023] [Indexed: 05/31/2024] Open
Abstract
Background/aim Heavy-ion irradiation seriously perturbs cellular homeostasis and thus damages cells. Vascular endothelial cells (ECs) play an important role in the pathological process of radiation damage. Protecting ECs from heavy-ion radiation is of great significance in the radioprotection of normal tissues. In this study, the radioprotective effect of β-D-glucan (BG) derived from Saccharomyces cerevisiae on human umbilical vein endothelial cell (EA.hy926) cytotoxicity produced by carbon-ion irradiation was examined and the probable mechanism was established. Materials and methods EA.hy926 cells were divided into seven groups: a control group; 1, 2, or 4 Gy radiation; and 10 μg/mL BG pretreatment for 24 h before 1, 2, or 4 Gy irradiation. Cell survival was assessed by colony formation assay. Cell cycles, apoptosis, DNA damage, and reactive oxygen species (ROS) levels were measured through flow cytometry. The level of malondialdehyde and antioxidant enzyme activities were analyzed using assay kits. The activation of NF-κB was analyzed using western blotting and a transcription factor assay kit. The expression of downstream target genes was detected by western blotting. Results BG pretreatment significantly increased the survival of irradiated cells, improved cell cycle progression, and decreased DNA damage and apoptosis. The levels of ROS and malondialdehyde were also decreased by BG. Further study indicated that BG increased the antioxidant enzyme activities, activated Src, and promoted NF-κB activation, especially for the p65, p50, and RelB subunits. The activated NF-κB upregulated the expression of antioxidant protein MnSOD, DNA damage-response and repair-related proteins BRCA2 and Hsp90α, and antiapoptotic protein Bcl-2. Conclusion Our results demonstrated that BG protects EA.hy926 cells from high linear-energy-transfer carbon-ion irradiation damage through the upregulation of prosurvival signaling triggered by the interaction of BG with its receptor. This confirms that BG is a promising radioprotective agent for heavy-ion exposure.
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Affiliation(s)
- Fang LIU
- International Genome Center, Jiangsu University, Zhenjiang, Jiangsu, P.R.
China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, P.R.
China
| | - Yanting WEI
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, P.R.
China
| | - Zhuanzi WANG
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, P.R.
China
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Guo S, Pei J, Wang X, Cao M, Xiong L, Kang Y, Ding Z, La Y, Chu M, Bao P, Guo X. Transcriptome Studies Reveal the N6-Methyladenosine Differences in Testis of Yaks at Juvenile and Sexual Maturity Stages. Animals (Basel) 2023; 13:2815. [PMID: 37760215 PMCID: PMC10525320 DOI: 10.3390/ani13182815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Studying the mechanism of spermatogenesis is key to exploring the reproductive characteristics of male yaks. Although N6-methyladenosine (m6A) RNA modification has been reported to regulate spermatogenesis and reproductive function in mammals, the molecular mechanism of m6A in yak testis development and spermatogenesis remains largely unknown. Therefore, we collected testicular tissue from juvenile and adult yaks and found that the m6A level significantly increased after sexual maturity in yaks. In MeRIP-seq, 1702 hypermethylated peaks and 724 hypomethylated peaks were identified. The hypermethylated differentially methylated RNAs (DMRs) (CIB2, AK1, FOXJ2, PKDREJ, SLC9A3, and TOPAZ1) mainly regulated spermatogenesis. Functional enrichment analysis showed that DMRs were significantly enriched in the adherens junction, gap junction, and Wnt, PI3K, and mTOR signaling pathways, regulating cell development, spermatogenesis, and testicular endocrine function. The functional analysis of differentially expressed genes showed that they were involved in the biological processes of mitosis, meiosis, and flagellated sperm motility during the sexual maturity of yak testis. We also screened the key regulatory factors of testis development and spermatogenesis by combined analysis, which included BRCA1, CREBBP, STAT3, and SMAD4. This study indexed the m6A characteristics of yak testicles at different developmental stages, providing basic data for further research of m6A modification regulating yak testicular development.
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Affiliation(s)
- Shaoke Guo
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Jie Pei
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Xingdong Wang
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Mengli Cao
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Lin Xiong
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Yandong Kang
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Ziqiang Ding
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Yongfu La
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Min Chu
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Pengjia Bao
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Xian Guo
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; (S.G.); (J.P.); (X.W.); (M.C.); (L.X.); (Y.K.); (Z.D.); (Y.L.); (M.C.); (P.B.)
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
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Shafique R, Mahjabeen I, Bibi K, Kalsoom F, Rizwan M, Ashraf NS, Mehmood A, Ul Haq MF, Abbasi SF, Saeed N, Kayani MA. miRNA-767 and its binding site polymorphism in the mTOR gene act as potential biomarkers for female reproductive cancers. Future Oncol 2023; 19:1929-1943. [PMID: 37781867 DOI: 10.2217/fon-2022-1055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023] Open
Abstract
Aims: The present study aimed to understand the relationship between the mTOR gene SNP (rs2536) and reproductive cancer risk. The expression level of miRNA-767 was also assessed. Methods: 700 tumor samples (300 breast, 200 ovarian and 200 cervical cancers), along with adjacent uninvolved control tissue, were used. rs2536 was screened using Tetra-ARMS PCR and expression level of miRNA-767 was assessed using quantitative PCR. Results: The frequency of the homozygous mutant genotype of rs2536 was observed significantly higher in breast (p < 0.04), ovarian (p < 0.005) and cervical (p < 0.003) cancers. Significant downregulation of miRNA-767 was observed in tumors compared with controls. Conclusion: The present study demonstrates that increased mutant frequency of rs2536 and deregulation of miRNA-767 are associated with increased reproductive cancer risk.
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Affiliation(s)
- Rabia Shafique
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Ishrat Mahjabeen
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Kashaf Bibi
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Farah Kalsoom
- Department of Pathology, Sir Ganga Ram Hospital, Lahore, Pakistan
| | - Muhammad Rizwan
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Nida Sarosh Ashraf
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Azhar Mehmood
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Maria Fazal Ul Haq
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Sumaira Fida Abbasi
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Nadia Saeed
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
| | - Mahmood Akhtar Kayani
- Cancer Genetics & Epigenetics Research Group, Department of Biosciences, COMSATS University, Park Road Islamabad, Pakistan
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49
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Ferreira AF, Soares M, Almeida-Santos T, Ramalho-Santos J, Sousa AP. Aging and oocyte competence: A molecular cell perspective. WIREs Mech Dis 2023; 15:e1613. [PMID: 37248206 DOI: 10.1002/wsbm.1613] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 12/30/2022] [Accepted: 04/19/2023] [Indexed: 05/31/2023]
Abstract
Follicular microenvironment is paramount in the acquisition of oocyte competence, which is dependent on two interconnected and interdependent processes: nuclear and cytoplasmic maturation. Extensive research conducted in human and model systems has provided evidence that those processes are disturbed with female aging. In fact, advanced maternal age (AMA) is associated with a lower chance of pregnancy and live birth, explained by the age-related decline in oocyte quality/competence. This decline has largely been attributed to mitochondria, essential for oocyte maturation, fertilization, and embryo development; with mitochondrial dysfunction leading to oxidative stress, responsible for nuclear and mitochondrial damage, suboptimal intracellular energy levels, calcium disturbance, and meiotic spindle alterations, that may result in oocyte aneuploidy. Nuclear-related mechanisms that justify increased oocyte aneuploidy include deoxyribonucleic acid (DNA) damage, loss of chromosomal cohesion, spindle assembly checkpoint dysfunction, meiotic recombination errors, and telomere attrition. On the other hand, age-dependent cytoplasmic maturation failure is related to mitochondrial dysfunction, altered mitochondrial biogenesis, altered mitochondrial morphology, distribution, activity, and dynamics, dysmorphic smooth endoplasmic reticulum and calcium disturbance, and alterations in the cytoskeleton. Furthermore, reproductive somatic cells also experience the effects of aging, including mitochondrial dysfunction and DNA damage, compromising the crosstalk between granulosa/cumulus cells and oocytes, also affected by a loss of gap junctions. Old oocytes seem therefore to mature in an altered microenvironment, with changes in metabolites, ribonucleic acid (RNA), proteins, and lipids. Overall, understanding the mechanisms implicated in the loss of oocyte quality will allow the establishment of emerging biomarkers and potential therapeutic anti-aging strategies. This article is categorized under: Reproductive System Diseases > Molecular and Cellular Physiology.
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Affiliation(s)
- Ana Filipa Ferreira
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
- Faculty of Medicine, Azinhaga de Santa Comba, University of Coimbra, Coimbra, Portugal
- CNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Coimbra, Portugal
| | - Maria Soares
- CNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Coimbra, Portugal
- PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Teresa Almeida-Santos
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
- Faculty of Medicine, Azinhaga de Santa Comba, University of Coimbra, Coimbra, Portugal
- CNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Coimbra, Portugal
| | - João Ramalho-Santos
- CNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Coimbra, Portugal
- Department of Life Sciences, Calçada Martim de Freitas, University of Coimbra, Coimbra, Portugal
| | - Ana Paula Sousa
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
- CNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Coimbra, Portugal
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50
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Parker M, Kalluri A, Materi J, Gujar SK, Schreck K, Mukherjee D, Weingart J, Brem H, Redmond KJ, Lucas CHG, Bettegowda C, Rincon-Torroella J. Management and Molecular Characterization of Intraventricular Glioblastoma: A Single-Institution Case Series. Int J Mol Sci 2023; 24:13285. [PMID: 37686092 PMCID: PMC10488126 DOI: 10.3390/ijms241713285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/13/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
While the central nervous system (CNS) tumor classification has increasingly incorporated molecular parameters, there is a paucity of literature reporting molecular alterations found in intraventricular glioblastoma (IVGBM), which are rare. We present a case series of nine IVGBMs, including molecular alterations found in standardized next-generation sequencing (NGS). We queried the clinical charts, operative notes, pathology reports, and radiographic images of nine patients with histologically confirmed IVGBM treated at our institution (1995-2021). Routine NGS was performed on resected tumor tissue of two patients. In this retrospective case series of nine patients (22% female, median (range) age: 64.3 (36-85) years), the most common tumor locations were the atrium of the right lateral ventricle (33%) and the septum pellucidum (33%). Five patients had preoperative hydrocephalus, which was managed with intraoperative external ventricular drains in three patients and ventriculoperitoneal shunts in one patient. Hydrocephalus was managed with subtotal resection of a fourth ventricular IVGBM in one patient. The most common surgical approach was transcortical intraventricular (56%). Gross total resection was achieved in two patients, subtotal resection was achieved in six patients, and one patient received a biopsy only. Immunohistochemistry for IDH1 R132H mutant protein was performed in four cases and was negative in all four. Genetic alterations common in glioblastoma, IDH-wildtype, were seen in two cases with available NGS data, including EGFR gene amplification, TERT promoter mutation, PTEN mutation, trisomy of chromosome 7, and monosomy of chromosome 10. Following surgical resection, four patients received adjuvant chemoradiation. Median survival among our cohort was 4.7 months (IQR: 0.9-5.8 months). Management of IVGBM is particularly challenging due to their anatomical location, presentation with obstructive hydrocephalus, and fast growth, necessitating prompt intervention. Additional studies are needed to better understand the genetic landscape of IVGBM compared to parenchymal glioblastoma and may further elucidate the unique pathophysiology of these rare tumors.
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Affiliation(s)
- Megan Parker
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Anita Kalluri
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Joshua Materi
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Sachin K. Gujar
- Division of Neuroradiology, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Karisa Schreck
- Department of Neurology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Debraj Mukherjee
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Jon Weingart
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Henry Brem
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Kristin J. Redmond
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Calixto-Hope G. Lucas
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Jordina Rincon-Torroella
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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