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Ningning Y, Ying X, Xiang L, Yue S, Zhongda W, Ruoyu J, Hanwen S, Weiwei T, Yafeng Z, Junjie M, Xiaolan C. Danggui-Shaoyao San alleviates cognitive impairment via enhancing HIF-1α/EPO axis in vascular dementia rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 331:118306. [PMID: 38723920 DOI: 10.1016/j.jep.2024.118306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/05/2024] [Accepted: 05/06/2024] [Indexed: 05/15/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Invigorating blood circulation to remove blood stasis is a primary strategy in TCM for treating vascular dementia (VaD). Danggui-Shaoyao San (DSS), as a traditional prescription for neuroprotective activity, has been proved to be effective in VaD treatment. However, its precise molecular mechanisms remain incompletely understood. AIM OF THE STUDY The specific mechanism underlying the therapeutic effects of DSS on VaD was explored by employing network pharmacology as well as in vivo and in viro experiment validation. MATERIALS AND METHODS We downloaded components of DSS from the BATMAN-TCM database for target prediction. The intersection between the components of DSS and targets, PPI network, as well as GO and KEGG enrichment analysis were then performed. Subsequently, the potential mechanism of DSS predicted by network pharmacology was assessed and validated through VaD rat model induced by 2VO operation and CoCl2-treated PC12 cells. Briefly, the DSS extract were first quantified by HPLC. Secondly, the effect of DSS on VaD was studied using MWM test, HE staining and TUNEL assay. Finally, the molecular mechanism of DSS against VaD was validated by Western blot and RT-QPCR experiments. RESULTS Through network analysis, 137 active ingredients were obtained from DSS, and 67 potential targets associated with DSS and VaD were identified. GO and KEGG analysis indicated that the action of DSS on VaD primarily involves hypoxic terms and HIF-1 pathway. In vivo validation, cognitive impairment and neuron mortality were markedly ameliorated by DSS. Additionally, DSS significantly reduced the expression of proteins related to synaptic plasticity and neuron apoptosis including PSD-95, SYP, Caspase-3 and BCL-2. Mechanistically, we confirmed DSS positively modulated the expression of HIF-1α and its downstream proteins including EPO, p-EPOR, STAT5, EPOR, and AKT1 in the hippocampus of VaD rats as well as CoCl2-induced PC12 cells. HIF-1 inhibitor YC-1 significantly diminished the protection of DSS on CoCl2-induced PC12 cell damage, with decreased HIF-1α, EPO, EPOR expression. CONCLUSION Our results initially demonstrated DSS could exert neuroprotective effects in VaD. The pharmacological mechanism of DSS may be related to its positive regulation on HIF-1α/EPO pathway.
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Affiliation(s)
- Yuan Ningning
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xu Ying
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Li Xiang
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Su Yue
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Wang Zhongda
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jiang Ruoyu
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Shi Hanwen
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Tao Weiwei
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhang Yafeng
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, 214071, China.
| | - Ma Junjie
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Cheng Xiaolan
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Fu J, Lin J, Dai Z, Lin B, Zhang J. Hypoxia-associated autophagy flux dysregulation in human cancers. Cancer Lett 2024; 590:216823. [PMID: 38521197 DOI: 10.1016/j.canlet.2024.216823] [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: 02/16/2024] [Revised: 03/09/2024] [Accepted: 03/18/2024] [Indexed: 03/25/2024]
Abstract
A general feature of cancer is hypoxia, determined as low oxygen levels. Low oxygen levels may cause cells to alter in ways that contribute to tumor growth and resistance to treatment. Hypoxia leads to variations in cancer cell metabolism, angiogenesis and metastasis. Furthermore, a hypoxic tumor microenvironment might induce immunosuppression. Moreover, hypoxia has the potential to impact cellular processes, such as autophagy. Autophagy refers to the catabolic process by which damaged organelles and toxic macromolecules are broken down. The abnormal activation of autophagy has been extensively recorded in human tumors and it serves as a regulator of cell growth, spread to other parts of the body, and resistance to treatment. There is a correlation between hypoxia and autophagy in human malignancies. Hypoxia can regulate the activity of AMPK, mTOR, Beclin-1, and ATGs to govern autophagy in human malignancies. Furthermore, HIF-1α, serving as an indicator of low oxygen levels, controls the process of autophagy. Hypoxia-induced autophagy has a crucial role in regulating the growth, spread, and resistance to treatment in human malignancies. Hypoxia-induced regulation of autophagy can impact other mechanisms of cell death, such as apoptosis. Chemoresistance and radioresistance have become significant challenges in recent years. Hypoxia-mediated autophagy plays a crucial role in determining the response to these therapeutic treatments.
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Affiliation(s)
- Jiding Fu
- Department of Intensive Care Unit, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Jie Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Zili Dai
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Baisheng Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Jian Zhang
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China.
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Shi Y, Fang Q, Hu Y, Mi Z, Luo S, Gan Y, Yuan S. Melatonin Ameliorates Post-Stroke Cognitive Impairment in Mice by Inhibiting Excessive Mitophagy. Cells 2024; 13:872. [PMID: 38786094 PMCID: PMC11119717 DOI: 10.3390/cells13100872] [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: 04/06/2024] [Revised: 05/09/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Post-stroke cognitive impairment (PSCI) remains the most common consequence of ischemic stroke. In this study, we aimed to investigate the role and mechanisms of melatonin (MT) in improving cognitive dysfunction in stroke mice. We used CoCl2-induced hypoxia-injured SH-SY5Y cells as a cellular model of stroke and photothrombotic-induced ischemic stroke mice as an animal model. We found that the stroke-induced upregulation of mitophagy, apoptosis, and neuronal synaptic plasticity was impaired both in vivo and in vitro. The results of the novel object recognition test and Y-maze showed significant cognitive deficits in the stroke mice, and Nissl staining showed a loss of neurons in the stroke mice. In contrast, MT inhibited excessive mitophagy both in vivo and in vitro and decreased the levels of mitophagy proteins PINK1 and Parkin, and immunofluorescence staining showed reduced co-localization of Tom20 and LC3. A significant inhibition of mitophagy levels could be directly observed under transmission electron microscopy. Furthermore, behavioral experiments and Nissl staining showed that MT ameliorated cognitive deficits and reduced neuronal loss in mice following a stroke. Our results demonstrated that MT inhibits excessive mitophagy and improves PSCI. These findings highlight the potential of MT as a preventive drug for PSCI, offering promising therapeutic implications.
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Affiliation(s)
- Yan Shi
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410006, China; (Y.S.); (S.L.)
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410013, China
| | - Qian Fang
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
| | - Yue Hu
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
| | - Zhaoyu Mi
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
| | - Shuting Luo
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410006, China; (Y.S.); (S.L.)
| | - Yaoxue Gan
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
| | - Shishan Yuan
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410006, China; (Y.S.); (S.L.)
- Department of Medical Laboratory, School of Medicine, Hunan Normal University, Changsha 410006, China; (Q.F.); (Y.H.); (Z.M.); (Y.G.)
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410013, China
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Xu Z, Fan K, Li H, Wang L, Zhu W, Zou S, Zhang Y, Liu Y, Wu Z, Gong Q, Tan M, Wang J, Zhai L. The application of proteomics and phosphoproteomics to reveal the molecular mechanism of salidroside in ameliorating myocardial hypoxia. Heliyon 2024; 10:e30433. [PMID: 38737233 PMCID: PMC11088312 DOI: 10.1016/j.heliyon.2024.e30433] [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: 01/10/2024] [Revised: 03/14/2024] [Accepted: 04/25/2024] [Indexed: 05/14/2024] Open
Abstract
Salidroside (SAL), belonging to a kind of the main active ingredient of Rhodiola rosea, is extensively utilized for anti-hypoxia and prevention of altitude sickness in the plateau region of China. However, the research on the systemic changes induced by SAL at intracellular protein level is still limited, especially at protein phosphorylation level. These limitations hinder a comprehensive understanding of the regulatory mechanisms of SAL. This study aimed to investigate the potential molecular mechanism of SAL in ameliorating the acute myocardial hypoxia induced by cobalt chloride using integrated proteomics and phosphoproteomics. We successfully identified 165 differentially expressed proteins and 266 differentially expressed phosphosites in H9c2 cells following SAL treatment under hypoxic conditions. Bioinformatics analysis and biological experiment validation revealed that SAL significantly antagonized CoCl2-mediated cell cycle arrest by downregulating CCND1 expression and upregulating AURKA, AURKAB, CCND3 and PLK1 expression. Additionally, SAL can stabilize the cytoskeleton through upregulating the Kinesin Family (KIF) members expression. Our study systematically revealed that SAL had the ability to protect myocardial cells against CoCl2-induced hypoxia through multiple biological pathways, including enhancing the spindle stability, maintaining the cell cycle, relieving DNA damage, and antagonizing cell apoptosis. This study supplies a comprehension perspective on the alterations at protein and protein phosphorylation levels induced by SAL treatment, thereby expanded our knowledge of the anti-hypoxic mechanisms of SAL. Moreover, this study provides a valuable resource for further investigating the effects of SAL.
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Affiliation(s)
- Zhongwei Xu
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Kaiyuan Fan
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, China
| | - Heng Li
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, 300170, China
| | - Lulu Wang
- State Key Laboratory of Pharmaceutical Research, Shanghai Institute of Materia Medica, CAS, Shanghai, 201203, China
| | - Wenqing Zhu
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Shuang Zou
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Yan Zhang
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Yanan Liu
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Zhidong Wu
- Central Laboratory, Logistics University of Chinese People's Armed Police Force, Tianjin, 300309, China
| | - Qian Gong
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, 300170, China
| | - Minjia Tan
- State Key Laboratory of Pharmaceutical Research, Shanghai Institute of Materia Medica, CAS, Shanghai, 201203, China
| | - Jin Wang
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, 300170, China
| | - Linhui Zhai
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, China
- State Key Laboratory of Pharmaceutical Research, Shanghai Institute of Materia Medica, CAS, Shanghai, 201203, China
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang, 222005, China
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Forma A, Grunwald A, Zembala P, Januszewski J, Brachet A, Zembala R, Świątek K, Baj J. Micronutrient Status and Breast Cancer: A Narrative Review. Int J Mol Sci 2024; 25:4968. [PMID: 38732186 PMCID: PMC11084730 DOI: 10.3390/ijms25094968] [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: 03/14/2024] [Revised: 04/28/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
Breast cancer is one of the most common cancers worldwide, at the same time being one of the most prevalent causes of women's death. Many factors such as alcohol, weight fluctuations, or hormonal replacement therapy can potentially contribute to breast cancer development and progression. Another important factor in breast cancer onset includes micronutrient status. In this narrative review, we analyzed 23 micronutrients and their possible influence on breast cancer onset and progression. Further, the aim of this study was to investigate the impact of micronutrient status on the prevention of breast cancer and its possible influence on various therapeutic pathways. We researched meta-analyses, systemic and narrative reviews, retrospective studies, as well as original studies on human and animal models. The results of these studies indicate a possible correlation between the different levels of micronutrients and a decreased risk of breast cancer as well as a better survival rate. However, further studies are necessary to establish adequate doses of supplementation of the chosen micronutrients and the exact mechanisms of micronutrient impact on breast cancer therapy.
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Affiliation(s)
- Alicja Forma
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Arkadiusz Grunwald
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Patryk Zembala
- Faculty of Medicine, Medical University of Warsaw, Banacha 1A, 02-097 Warsaw, Poland;
| | - Jacek Januszewski
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
| | - Adam Brachet
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Roksana Zembala
- Faculty of Medicine, Cardinal Stefan Wyszynski University in Warsaw, Wóycickiego 1/3, 01-938 Warsaw, Poland;
| | - Kamila Świątek
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
| | - Jacek Baj
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
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Song M, Choi DB, Im JS, Song YN, Kim JH, Lee H, An J, Kim A, Choi H, Kim JC, Han C, Jeon YK, Kim SJ, Woo DH. Modeling acute myocardial infarction and cardiac fibrosis using human induced pluripotent stem cell-derived multi-cellular heart organoids. Cell Death Dis 2024; 15:308. [PMID: 38693114 PMCID: PMC11063052 DOI: 10.1038/s41419-024-06703-9] [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: 10/15/2023] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/03/2024]
Abstract
Heart disease involves irreversible myocardial injury that leads to high morbidity and mortality rates. Numerous cell-based cardiac in vitro models have been proposed as complementary approaches to non-clinical animal research. However, most of these approaches struggle to accurately replicate adult human heart conditions, such as myocardial infarction and ventricular remodeling pathology. The intricate interplay between various cell types within the adult heart, including cardiomyocytes, fibroblasts, and endothelial cells, contributes to the complexity of most heart diseases. Consequently, the mechanisms behind heart disease induction cannot be attributed to a single-cell type. Thus, the use of multi-cellular models becomes essential for creating clinically relevant in vitro cell models. This study focuses on generating self-organizing heart organoids (HOs) using human-induced pluripotent stem cells (hiPSCs). These organoids consist of cardiomyocytes, fibroblasts, and endothelial cells, mimicking the cellular composition of the human heart. The multi-cellular composition of HOs was confirmed through various techniques, including immunohistochemistry, flow cytometry, q-PCR, and single-cell RNA sequencing. Subsequently, HOs were subjected to hypoxia-induced ischemia and ischemia-reperfusion (IR) injuries within controlled culture conditions. The resulting phenotypes resembled those of acute myocardial infarction (AMI), characterized by cardiac cell death, biomarker secretion, functional deficits, alterations in calcium ion handling, and changes in beating properties. Additionally, the HOs subjected to IR efficiently exhibited cardiac fibrosis, displaying collagen deposition, disrupted calcium ion handling, and electrophysiological anomalies that emulate heart disease. These findings hold significant implications for the advancement of in vivo-like 3D heart and disease modeling. These disease models present a promising alternative to animal experimentation for studying cardiac diseases, and they also serve as a platform for drug screening to identify potential therapeutic targets.
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Affiliation(s)
- Myeongjin Song
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Da Bin Choi
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Jeong Suk Im
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Ye Na Song
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Ji Hyun Kim
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Hanbyeol Lee
- Centre for Research, Hudson Institute of Medical Research, Monash University, Clayton, VIC, 3168, Australia
| | - Jieun An
- Department of Commercializing iPSC Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Ami Kim
- Department of Commercializing iPSC Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Hwan Choi
- Department of Commercializing iPSC Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Joon-Chul Kim
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Choongseong Han
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
- Department of Commercializing iPSC Technology, NEXEL Co., Ltd., Seoul, 07802, Korea
| | - Young Keul Jeon
- Department of Physiology, Seoul National University College of Medicine, Seoul, 03080, Korea
- Ischemic/Hypoxic Disease Institute, Seoul National University, College of Medicine, Seoul, 03080, Korea
| | - Sung Joon Kim
- Department of Physiology, Seoul National University College of Medicine, Seoul, 03080, Korea
- Ischemic/Hypoxic Disease Institute, Seoul National University, College of Medicine, Seoul, 03080, Korea
| | - Dong-Hun Woo
- Department of Commercializing Organoid Technology, NEXEL Co., Ltd., Seoul, 07802, Korea.
- Department of Commercializing iPSC Technology, NEXEL Co., Ltd., Seoul, 07802, Korea.
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Gola C, Maniscalco L, Iussich S, Morello E, Olimpo M, Martignani E, Accornero P, Giacobino D, Mazzone E, Modesto P, Varello K, Aresu L, De Maria R. Hypoxia-associated markers in the prognosis of oral canine melanoma. Vet Pathol 2024:3009858241244853. [PMID: 38613423 DOI: 10.1177/03009858241244853] [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: 04/15/2024]
Abstract
Canine oral malignant melanoma (COMM) is the most common neoplasm in the oral cavity characterized by local invasiveness and high metastatic potential. Hypoxia represents a crucial feature of the solid tumor microenvironment promoting cancer progression and drug resistance. Hypoxia-inducible factor-1α (HIF-1α) and its downstream effectors, vascular endothelial growth factor A (VEGF-A), glucose transporter isoform 1 (GLUT1), C-X-C chemokine receptor type 4 (CXCR4), and carbonic anhydrase IX (CAIX), are the main regulators of the adaptive response to low oxygen availability. The prognostic value of these markers was evaluated in 36 COMMs using immunohistochemistry. In addition, the effects of cobalt chloride-mediated hypoxia were evaluated in 1 primary COMM cell line. HIF-1α expression was observed in the nucleus, and this localization correlated with the presence or enhanced expression of HIF-1α-regulated genes at the protein level. Multivariate analysis revealed that in dogs given chondroitin sulfate proteoglycan-4 (CSPG4) DNA vaccine, COMMs expressing HIF-1α, VEGF-A, and CXCR4 were associated with shorter disease-free intervals (DFI) compared with tumors that were negative for these markers (P = .03), suggesting hypoxia can influence immunotherapy response. Western blotting showed that, under chemically induced hypoxia, COMM cells accumulate HIF-1α and smaller amounts of CAIX. HIF-1α induction and stabilization triggered by hypoxia was corroborated by immunofluorescence, showing its nuclear translocation. These findings reinforce the role of an hypoxic microenvironment in tumor progression and patient outcome in COMM, as previously established in several human and canine cancers. In addition, hypoxic markers may represent promising prognostic markers, highlighting opportunities for their use in therapeutic strategies for COMMs.
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Affiliation(s)
- Cecilia Gola
- University of Surrey, Guildford, UK
- University of Turin, Grugliasco, Turin, Italy
| | | | | | | | | | | | | | | | | | - Paola Modesto
- Istituto Zooprofilattico Sperimentale del Piemonte Liguria e Valle d'Aosta, Turin, Italy
| | - Katia Varello
- Istituto Zooprofilattico Sperimentale del Piemonte Liguria e Valle d'Aosta, Turin, Italy
| | - Luca Aresu
- University of Turin, Grugliasco, Turin, Italy
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Debnath J, Keshamasetthy D, Combs J, Leon K, Vullo D, Chatterjee A, McKenna R, Supuran CT. A comparative study of diaryl urea molecules with and without sulfonamide group on Carbonic anhydrase IX and XII inhibition and its consequence on breast cancer cells. Bioorg Chem 2024; 145:107192. [PMID: 38382393 DOI: 10.1016/j.bioorg.2024.107192] [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: 01/02/2024] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
To investigate the intrinsic relation between carbonic anhydrase inhibition and anticancer activity, we have prepared four sets of diaryl urea molecules and tested for the inhibition of hCA-IX and XII on two breast cancer cell lines. Among 21 compounds, compound J2 (with -SO2NH2 group) and J16 (without -SO2NH2 group) showed the best activity under normoxic and hypoxic conditions. The IC50 values of J16 for MDA-MB-231 and MCF-7 cells, under normoxic condition were 6.3 and 3.7 µM respectively, which are 1.9/3.3 and 15.8 times better than U-4-Nitro and SLC-0111 respectively. Whereas, under the hypoxic condition the corresponding values were 12.4 and 1.1 µM (MDA-MB-231 and MCF-7 cells respectively), which are equal/8 times better than U-4-Nitro. Whereas, J2 showed better IC50 value than U-4-Nitro (6.3 µM) under normoxic condition for both MDA-MB-231 and MCF-7 cells (1.9/2.7 times). Compound J2 inhibits the activity of hCA-IX and XII in nanomolar concentration [Ki values 4.09 and 9.10 nM respectively with selectivity ratio of 1.8 and 0.8 with hCA-II]. The crystal structure and modelling studies demonstrates that the inhibition of CAs arises due to the blocking of the CO2 coordination site of zinc in its catalytic domain. However, J16 was found to be unable to inhibit the activity of hCAs (Ki > 89000 nM). qPCR and western blot analysis showed a significant reduction (1.5 to 20 fold) of the transcription and expression of HIF1A, CA9 and CA12 genes in presence of J2 and J16. Both J2 and J16 found to reduce accumulation of HIF-1α protein by inhibiting the chaperone activity of hHSP70 with IC50 values of 19.4 and 15.3 µM respectively. Perturbation of the hCA-IX and XII activity by binding at active site or by reduced expression or by both leads to the decrease of intracellular pH, which resulted in concomitant increase of reactive oxygen species by 2.6/2.0 (MCF-7) and 2.9/1.8 (MDA-MB-231) fold for J2/J16. Increased cyclin D1 expression in presence of J2 and J16 was presumed to be indirectly responsible for the apoptosis of the cancer cells. Expression of the other apoptosis markers Bcl-2, Bim, caspase 9 and caspase 3 substantiated the apoptosis mechanism. However, decreased transcription/expression of HIF1A/HIF-1α and hCA-IX/XII also implies the inhibition of the extracellular signal-regulated kinase pathway by J2 and J16.
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Affiliation(s)
- Joy Debnath
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Tamilnadu 613401, India.
| | - Dhananjaya Keshamasetthy
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Tamilnadu 613401, India
| | - Jacob Combs
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville 32610 EL, USA
| | - Katherine Leon
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville 32610 EL, USA
| | - Daniela Vullo
- University of Florence, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, Sesto Fiorentino (Florence) 50019 Italy
| | - Abhijit Chatterjee
- Department of Chemistry, Indian Institute of Science Education and Research - Pune, Maharashtra 411008, India
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville 32610 EL, USA
| | - Claudiu T Supuran
- University of Florence, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, Sesto Fiorentino (Florence) 50019 Italy
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Peng C, Yan J, Jiang Y, Wu L, Li M, Fan X. Exploring Cutting-Edge Approaches to Potentiate Mesenchymal Stem Cell and Exosome Therapy for Myocardial Infarction. J Cardiovasc Transl Res 2024; 17:356-375. [PMID: 37819538 DOI: 10.1007/s12265-023-10438-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/12/2023] [Indexed: 10/13/2023]
Abstract
Cardiovascular diseases (CVDs) continue to be a significant global health concern. Many studies have reported promising outcomes from using MSCs and their secreted exosomes in managing various cardiovascular-related diseases like myocardial infarction (MI). MSCs and exosomes have demonstrated considerable potential in promoting regeneration and neovascularization, as well as exerting beneficial effects against apoptosis, remodeling, and inflammation in cases of myocardial infarction. Nonetheless, ensuring the durability and effectiveness of MSCs and exosomes following in vivo transplantation remains a significant concern. Recently, novel methods have emerged to improve their effectiveness and robustness, such as employing preconditioning statuses, modifying MSC and their exosomes, targeted drug delivery with exosomes, biomaterials, and combination therapy. Herein, we summarize the novel approaches that intensify the therapeutic application of MSC and their derived exosomes in treating MI.
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Affiliation(s)
- Chendong Peng
- Department of Cardiology, the Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Jie Yan
- Department of Cardiology, the Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Yu'ang Jiang
- Department of Cardiology, the Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Lin Wu
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Key Laboratory of Sichuan Province, Southwest Medical University, Luzhou, 646000, Sichuan, China
- Department of Cardiology, Peking University First Hospital, Beijing, 100000, China
| | - Miaoling Li
- Department of Cardiology, the Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Key Laboratory of Sichuan Province, Southwest Medical University, Luzhou, 646000, Sichuan, China.
| | - Xinrong Fan
- Department of Cardiology, the Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
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10
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Jeong J, Kang BH, Ju S, Park NY, Kim D, Dinh NTB, Lee J, Rhee CY, Cho DH, Kim H, Chung DK, Bunch H. Lactiplantibacillus plantarum K8 lysates regulate hypoxia-induced gene expression. Sci Rep 2024; 14:6275. [PMID: 38491188 PMCID: PMC10943017 DOI: 10.1038/s41598-024-56958-7] [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: 07/19/2023] [Accepted: 03/13/2024] [Indexed: 03/18/2024] Open
Abstract
Hypoxic responses have been implicated in critical pathologies, including inflammation, immunity, and tumorigenesis. Recently, efforts to identify effective natural remedies and health supplements are increasing. Previous studies have reported that the cell lysates and the cell wall-bound lipoteichoic acids of Lactiplantibacillus plantarum K8 (K8) exert anti-inflammatory and immunomodulative effects. However, the effect of K8 on cellular hypoxic responses remains unknown. In this study, we found that K8 lysates had a potent suppressive effect on gene expression under hypoxia. K8 lysates markedly downregulated hypoxia-induced HIF1α accumulation in the human bone marrow and lung cancer cell lines, SH-SY5Y and H460. Consequently, the transcription of known HIF1α target genes, such as p21, GLUT1, and ALDOC, was notably suppressed in the K8 lysate supplement and purified lipoteichoic acids of K8, upon hypoxic induction. Intriguingly, K8 lysates decreased the expression of PHD2 and VHL proteins, which are responsible for HIF1α destabilization under normoxic conditions, suggesting that K8 may regulate HIF1α stability in a non-canonical pathway. Overall, our results suggest that K8 lysates desensitize the cells to hypoxic stresses and suppress HIF1α-mediated hypoxic gene activation.
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Affiliation(s)
- Jaehyeon Jeong
- Department of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Byeong-Hee Kang
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Sangmin Ju
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Na Yeon Park
- School of Life Sciences, BK21 FOUR KNU Creative BioRearch Group, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Deukyeong Kim
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Ngoc Thi Bao Dinh
- Department of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Jeongho Lee
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Chang Yun Rhee
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Dong-Hyung Cho
- School of Life Sciences, BK21 FOUR KNU Creative BioRearch Group, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hangeun Kim
- Research and Development Center, Skin Biotechnology Center Co. Ltd., Yongin, 17104, Republic of Korea
| | - Dae Kyun Chung
- Graduate School of Biotechnology, Kyung Hee University, Yongin, 17104, Republic of Korea
| | - Heeyoun Bunch
- Department of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
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11
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Yahya SMM, Nabih HK, Elsayed GH, Mohamed SIA, Elfiky AM, Salem SM. Restoring microRNA-34a overcomes acquired drug resistance and disease progression in human breast cancer cell lines via suppressing the ABCC1 gene. Breast Cancer Res Treat 2024; 204:133-149. [PMID: 38057687 PMCID: PMC10806220 DOI: 10.1007/s10549-023-07170-0] [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: 08/24/2023] [Accepted: 11/02/2023] [Indexed: 12/08/2023]
Abstract
PURPOSE Breast cancer is one of the leading types of cancer diagnosed in women. Despite the improvements in chemotherapeutic cure strategies, drug resistance is still an obstacle leading to disease aggressiveness. The small non-coding RNA molecules, miRNAs, have been implicated recently to be involved as regulators of gene expression through the silencing of mRNA targets that contributed to several cellular processes related to cancer metastasis. Hence, the present study aimed to investigate the beneficial role and mechanism of miRNA-34a-based gene therapy as a novel approach for conquering drug resistance mediated by ATP-binding cassette (ABC) transporters in breast cancer cells, besides exploring the associated invasive behaviors. MATERIAL AND METHODS Bioinformatics tools were used to predict miRNA ABC transporter targets by tracking the ABC transporter pathway. After the establishment of drug-resistant breast cancer MCF-7 and MDA-MB-231 sublines, cells were transfected with the mimic or inhibitor of miRNA-34a-5p. The quantitative expression of genes involved in drug resistance was performed by QRT-PCR, and the exact ABC transporter target specification interaction was confirmed by dual-luciferase reporter assay. Furthermore, flow cytometric analysis was utilized to determine the ability of miRNA-34a-treated cells against doxorubicin uptake and accumulation in cell cycle phases. The spreading capability was examined by colony formation, migration, and wound healing assays. The apoptotic activity was estimated as well. RESULTS Our findings firstly discovered the mechanism of miRNA-34a-5p restoration as an anti-drug-resistant molecule that highly significantly attenuates the expression of ABCC1 via the direct targeting of its 3'- untranslated regions in resistant breast cancer cell lines, with a significant increase of doxorubicin influx by MDA-MB-231/Dox-resistant cells. Additionally, the current data validated a significant reduction of metastatic potentials upon miRNA-34a-5p upregulation in both types of breast cancer-resistant cells. CONCLUSION The ectopic expression of miRNA-34a ameliorates the acquired drug resistance and the migration properties that may eventually lead to improved clinical strategies and outcomes for breast cancer patients. Additionally, miRNA-34a could be monitored as a diagnostic/prognostic biomarker for resistant conditions.
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Affiliation(s)
- Shaymaa M M Yahya
- Hormones Department, Medicine and Clinical Studies Research Institute, and Stem Cell Lab, Centre of Excellence for Advanced Sciences, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Heba K Nabih
- Medical Biochemistry Department, Medicine and Clinical Studies Research Institute, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt.
| | - Ghada H Elsayed
- Hormones Department, Medicine and Clinical Studies Research Institute, and Stem Cell Lab, Centre of Excellence for Advanced Sciences, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | | | - Asmaa M Elfiky
- Environmental and Occupational Medicine Department, Environmental and Climate Change Research Institute, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Sohair M Salem
- Molecular Genetics and Enzymology Department, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
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12
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Arachchige DL, Dwivedi SK, Waters M, Jaeger S, Peters J, Tucker DR, Geborkoff M, Werner T, Luck RL, Godugu B, Liu H. Sensitive monitoring of NAD(P)H levels within cancer cells using mitochondria-targeted near-infrared cyanine dyes with optimized electron-withdrawing acceptors. J Mater Chem B 2024; 12:448-465. [PMID: 38063074 PMCID: PMC10918806 DOI: 10.1039/d3tb02124f] [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] [Indexed: 01/05/2024]
Abstract
A series of near-infrared fluorescent probes, labeled A to E, were developed by combining electron-rich thiophene and 3,4-ethylenedioxythiophene bridges with 3-quinolinium and various electron deficient groups, enabling the sensing of NAD(P)H. Probes A and B exhibit absorptions and emissions in the near-infrared range, offering advantages such as minimal interference from autofluorescence, negligible photo impairment in cells and tissues, and exceptional tissue penetration. These probes show negligible fluorescence when NADH is not present, and their absorption maxima are at 438 nm and 470 nm, respectively. In contrast, probes C-E feature absorption maxima at 450, 334 and 581 nm, respectively. Added NADH triggers the transformation of the electron-deficient 3-quinolinium units into electron-rich 1,4-dihydroquinoline units resulting in fluorescence responses which were established at 748, 730, 575, 625 and 661 for probes AH-EH, respectively, at detection limits of 0.15 μM and 0.07 μM for probes A and B, respectively. Optimized geometries based on theoretical calculations reveal non-planar geometries for probes A-E due to twisting of the 3-quinolinium and benzothiazolium units bonded to the central thiophene group, which all attain planarity upon addition of hydride resulting in absorption and fluorescence in the near-IR region for probes AH and BH in contrast to probes CH-EH which depict fluorescence in the visible range. Probe A has been successfully employed to monitor NAD(P)H levels in glycolysis and specific mitochondrial targeting. Furthermore, it has been used to assess the influence of lactate and pyruvate on the levels of NAD(P)H, to explore how hypoxia in cancer cells can elevate levels of NAD(P)H, and to visualize changes in levels of NAD(P)H under hypoxic conditions with CoCl2 treatment. Additionally, probe A has facilitated the examination of the potential impact of chemotherapy drugs, namely gemcitabine, camptothecin, and cisplatin, on metabolic processes and energy generation within cancer cells by affecting NAD(P)H levels. Treatment of A549 cancer cells with these drugs has been shown to increase NAD(P)H levels, which may contribute to their anticancer effects ultimately leading to programmed cell death or apoptosis. Moreover, probe A has been successfully employed in monitoring NAD(P)H level changes in D. melanogaster larvae treated with cisplatin.
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Affiliation(s)
- Dilka Liyana Arachchige
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - Sushil K Dwivedi
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - May Waters
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - Sophia Jaeger
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - Joe Peters
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - Daniel R Tucker
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Micaela Geborkoff
- Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931, USA
| | - Thomas Werner
- Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931, USA
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Bhaskar Godugu
- Department of Chemistry, University of Pittsburgh, Chevron Science Center, 219 Parkman Avenue, Pittsburgh, PA 15260, USA
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
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13
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Khakshour E, Bahreyni-Toossi MT, Anvari K, Shahram MA, Vaziri-Nezamdoust F, Azimian H. Evaluation of the effects of simulated hypoxia by CoCl 2 on radioresistance and change of hypoxia-inducible factors in human glioblastoma U87 tumor cell line. Mutat Res 2024; 828:111848. [PMID: 38154290 DOI: 10.1016/j.mrfmmm.2023.111848] [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: 08/27/2023] [Revised: 11/24/2023] [Accepted: 11/29/2023] [Indexed: 12/30/2023]
Abstract
PURPOSE Glioblastoma (GBM) is considered the most common and lethal type of brain tumor with a poor prognosis. GBM treatment has challenges due to its aggressive nature, which often causes treatment failure and recurrence. Hypoxia is one of the characteristics of glioblastoma tumors that contribute to radioresistance and malignant phenotypes of GBM. In this study, we aimed to determine the effects of hypoxia on the radiosensitivity of U87 GBM cells by the hypoxia-mimicking model. METHODS Following the treatment of cells with different concentrations of CoCl2, an MTT assay was used to evaluate the cytotoxicity of CoCl2. To understand the effects of Ionizing radiation on CoCl2-treated groups, cells were exposed to irradiation after pretreating with 100 μM CoCl2, and a clonogenic survival assay was performed to determine the radiosensitivity of U87 cells. Also, the intracellular Reactive oxygen level was measured by 2',7'-dichlorofluorescein diacetate (DCFDA) probe staining. Additionally, the expression of hypoxia-associated genes, including HIF-1α, HIF-2α, and their target genes (GLUT-1), was monitored by reverse transcription polymerase chain reaction (RT-PCR). RESULTS Our study revealed that the cell viability of CoCl2-treated cells was decreased in a concentration-dependent manner. Also, CoCl2 did not cause any cytotoxicity on U87 cells at a concentration of 100 μM after treatment for 24 h. Colony formation assay showed that CoCl2 pretreatment induced radioresistance of tumor cells compared to non-treated cells. Also, CoCl2 can protect cells against irradiation by the clearance of ROS. Moreover, Real-time results showed that the mRNA expression of HIF-1α and GLUT-1 were significantly upregulated following hypoxia induction and/or irradiation condition. However, the level of HIF-2α mRNA did not change significantly in hypoxia or irradiation alone conditions, but it increased significantly only in hypoxia + irradiation conditions. CONCLUSION Taken together, our results indicated that simulating hypoxia by CoCl2 can effectively increase hypoxia-associated genes, specially HIF-1α and GLUT-1, but did not affect HIF-2α gene expression. Also, it can increase the clearance of ROS, respectively, and it leads to inducing radioresistance of U87 cells.
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Affiliation(s)
- Elham Khakshour
- Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Taghi Bahreyni-Toossi
- Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kazem Anvari
- Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Amin Shahram
- Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hosein Azimian
- Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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14
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Canhasi L, Tina E, Eremo AG. Hypoxia-mimetic by CoCl2 increases SLC7A5 expression in breast cancer cells in vitro. BMC Res Notes 2023; 16:366. [PMID: 38082346 PMCID: PMC10714522 DOI: 10.1186/s13104-023-06650-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/04/2023] [Indexed: 12/18/2023] Open
Abstract
OBJECTIVE Increased expression of the amino acid transporter solute Carrier Family 7 Member 5 (SLC7A5) has been observed in neoplastic cells during hypoxic conditions in vitro, indicating an adaptation for cell survival. To further explore this, we evaluated hypoxia-mimetic by CoCl2 as a model for hypoxia in breast cancer cell lines and the effect on SLC257A5 expression. Four different breast cancer cell lines (MCF7, T-47D, BT-474 and ZR-75-1) were exposed to 100 µM CoCl2 for 48 h. Subsequently, cell viability, gene- and protein expression analyses were performed. RESULTS The gene expression of VEGF, a marker of hypoxia, was significantly elevated in all four cell lines compared to the control (p < 0.0001), indicating that CoCl2 exposure generates a hypoxic response. Moreover, CoCl2 exposure significantly upregulated SLC7A5 gene expression in T-47D (p < 0.001), BT-474 (p < 0.0001) and ZR-75-1 (p < 0.0001) cells, as compared to vehicle control. Immunofluorescence staining showed increased SLC7A5 protein expression in MCF7, T-47D and BT-474 cells compared to vehicle control. This report suggests that hypoxia-mimetic by CoCl2 can be used as a simple model for inducing hypoxia in breast cancer cell lines and in fact influence SLC7A5 gene and protein expression in vitro.
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Affiliation(s)
- Leonora Canhasi
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, 701 82, SE, Sweden
| | - Elisabet Tina
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, 701 82, SE, Sweden
- Department of Clinical Research Laboratory, Faculty of Medicine and Health, Örebro University, Örebro, 701 82, SE, Sweden
| | - Anna Göthlin Eremo
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, 701 82, SE, Sweden.
- Department of Clinical Research Laboratory, Faculty of Medicine and Health, Örebro University, Örebro, 701 82, SE, Sweden.
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15
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Jenkins H, MacLean L, McClean S, Cooke G, Devereux M, Howe O, Pereira MD, May NV, Enyedy ÉA, Creaven BS. Structural and solution speciation studies on selected [Cu(NN)(OO)] complexes and an investigation of their biomimetic activity, ROS generation and their cytotoxicity in normoxic, hypoxic and anoxic environments in MCF-7 breast cancer-derived cells. J Inorg Biochem 2023; 249:112383. [PMID: 37804698 DOI: 10.1016/j.jinorgbio.2023.112383] [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: 06/08/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 10/09/2023]
Abstract
Reactive oxygen species(ROS) generation with subsequent DNA damage is one of the principle mechanisms of action assigned to copper-based anticancer complexes. The efficacy of this type of chemotherapeutic may be reduced in the low oxygen environment of tumours. In this study the cytotoxicity of three complexes, [Cu(dips)(phen)] (1), [Cu(ph)(phen)]·2H2O (2) and [Cu(ph)(bpy)]·H2O (3) (disp: 3,5-diisopropylsalicylate, phen: 1,10- phenanthroline, ph: phthalate, bpy: 2,2'-bipyridyl) were assessed for anticancer activity in the breast-cancer derived MCF-7 line under normoxic, hypoxic and anoxic conditions. In an immortalised keratinocyte HaCaT cell line, the cytotoxicity of complexes 2 and 3 was significantly reduced under both normoxic and hypoxic conditions, whilst the cytotoxicity of complex 1 was increased under hypoxic conditions. The ability of the complexes to generate ROS in the MCF-7 cell line was evaluated as was their ability to act as superoxide dismutase(SOD) and catalase mimics using a yeast cell assay. ROS generation was significant for complexes 2 and 3, less so for complex 1 though all three complexes had SOD mimetic ability. Given the ternary nature of the complexes, solution speciation studies were undertaken but were only successful for complex 3, due to solubility issues with the other two complexes. The concentration distribution of various species, formed in aqueous solution, was evaluated as a function of pH and confirmed that complex 3 is the dominant species at physiological pH in the mM concentration range. However, as its concentration diminishes, it experiences a progressive dissociation, leading to the formation of binary complexes of bpy alongside unbound phthalate.
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Affiliation(s)
- Hollie Jenkins
- Centre of Applied Science for Health, TU Dublin, Tallaght Campus, D24 FKT9, Ireland
| | - Louise MacLean
- Centre of Applied Science for Health, TU Dublin, Tallaght Campus, D24 FKT9, Ireland
| | - Siobhán McClean
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield Dublin 4, Ireland
| | - Gordon Cooke
- Centre of Applied Science for Health, TU Dublin, Tallaght Campus, D24 FKT9, Ireland; School of Chemical and BioPharmaceutical Sciences, Technological University Dublin, Central Quad Building, Grangegorman, Dublin D07 ADY7, Ireland
| | - Michael Devereux
- Centre for Biomimetic and Therapeutic Research, Focas Research Institute, TU Dublin, Camden Row, Dublin 8, Ireland
| | - Orla Howe
- Centre for Biomimetic and Therapeutic Research, Focas Research Institute, TU Dublin, Camden Row, Dublin 8, Ireland; School of Biological, Health and Sport Sciences, TU Dublin, City Campus, D07 XT95, Ireland
| | - Marcos D Pereira
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Brazil; Rede de Micrologia - FAPERJ, Rio de Janeiro, Brazil
| | - Nóra V May
- Centre for Structural Sciences, Research Centre for Natural Sciences, Magyar tudósok körútja 2, Budapest H-1117, Hungary
| | - Éva A Enyedy
- Departmen of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre and MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Bernadette S Creaven
- Centre of Applied Science for Health, TU Dublin, Tallaght Campus, D24 FKT9, Ireland; School of Chemical and BioPharmaceutical Sciences, Technological University Dublin, Central Quad Building, Grangegorman, Dublin D07 ADY7, Ireland.
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16
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Yokouchi-Konishi T, Liu Y, Feng L. Progesterone receptor membrane component 2 is critical for human placental extravillous trophoblast invasion. Biol Reprod 2023; 109:759-771. [PMID: 37665239 DOI: 10.1093/biolre/ioad109] [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: 03/07/2023] [Revised: 08/14/2023] [Accepted: 08/30/2023] [Indexed: 09/05/2023] Open
Abstract
Proper extravillous trophoblast invasion is essential for normal placentation and pregnancy. However, the molecular mechanisms by which cytotrophoblasts differentiate into extravillous trophoblast are unclear. We discovered that in the first-trimester placenta, progesterone receptor membrane component 2 was highly expressed in syncytiotrophoblast but significantly lower in extravillous trophoblast and cytotrophoblasts, indicating a divergent role for progesterone receptor membrane component 2 in trophoblast functions. We aim to examine the role of progesterone receptor membrane component 2 in extravillous trophoblasts invasion mediated by both intracellular and extracellular signals. Progesterone receptor membrane component 2 knockdown and overexpression cells were established in HTR8/SVneo cells, a first-trimester extravillous trophoblast-derived cell model, by transfection with small-interfering RNA or progesterone receptor membrane component 2 plasmids, respectively. Progesterone receptor membrane component 2 knockdown led to cellular morphological changes , enhanced trophoblast proliferation,invasion, and promoted tube formation. These effects were mediated by the activation of hypoxia-inducible factor 1alpha and an increased expression of vascular endothelial growth factor A. The culture supernatant collected from progesterone receptor membrane component 2 knockdown cells did not significantly affect extravillous trophoblast invasion compared to the controls, indicating that extracellular signaling did not robustly regulate extravillous trophoblast invasion in this study. In conclusion, attenuation of progesterone receptor membrane component 2 plays a role in placentation by promoting cell proliferation, invasion, and angiogenesis in extravillous trophoblasts via activation of hypoxia-inducible factor 1 alpha signaling. We thus identified a new function of progesterone receptor membrane component 2 and provide insights on understanding the mechanisms of trophoblast invasion.
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Affiliation(s)
- Tae Yokouchi-Konishi
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
- Department of Obstetrics and Gynecology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yongjie Liu
- Ministry of Education and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liping Feng
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
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17
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Chen HY, Lin CE, Wu SC, Yang ZY, Chiang YF, Huang KC, Wang KL, Ali M, Shieh TM, Chang HY, Huang TC, Hsia SM. Para-toluenesulfonamide, a novel potent carbonic anhydrase inhibitor, improves hypoxia-induced metastatic breast cancer cell viability and prevents resistance to αPD-1 therapy in triple-negative breast cancer. Biomed Pharmacother 2023; 167:115533. [PMID: 37748406 DOI: 10.1016/j.biopha.2023.115533] [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: 07/26/2023] [Revised: 09/10/2023] [Accepted: 09/17/2023] [Indexed: 09/27/2023] Open
Abstract
Overexpression of the hypoxia-induced transmembrane enzyme carbonic anhydrase IX (CA9) has been associated with poor prognosis and chemoresistance in aggressive breast cancer. This study aimed to investigate the involvement of CA9 in the anti-tumor activity of para-toluenesulfonamide (PTS) and elucidate its mechanism of action against breast cancer both in vitro and in vivo. MCF-7 and MDA-MB-231 breast cancer cells were treated with PTS or subjected to hypoxic conditions using cobalt chloride (CoCl2), with acetazolamide serving as a positive control. Additionally, 4T1 breast cancer cell allograft mice were co-treated with PTS and α-programmed cell death 1 (αPD-1) monoclonal antibody for one month. The results demonstrated that PTS effectively reduced cell viability and reversed migration ability in MCF-7 and MDA-MB-231 cells under CoCl2-induced hypoxia. Furthermore, PTS upregulated the expression of apoptosis-related proteins and downregulated CA9, hypoxia-inducible factor-1α (HIF-1α), and vascular endothelial growth factor (VEGF) proteins, possibly through modulation of p38 MAPK and ERK1/2 phosphorylated proteins. In the animal model, PTS100 inhibited tumor growth and lung metastasis in mammary tumor allograft mice, exhibiting synergistic effects when combined with αPD-1 therapy. Collectively, our findings suggest that PTS inhibits breast cancer growth and metastasis through the p38 MAPK/ERK1/2 pathway. Moreover, PTS may have the potential to prevent the development of resistance to αPD-1 therapy in breast cancer.
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Affiliation(s)
- Hsin-Yuan Chen
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan
| | - Chia-En Lin
- Gongwin Biopharm Co., Ltd., Taipei 104001, Taiwan
| | - Shun-Chi Wu
- Gongwin Biopharm Co., Ltd., Taipei 104001, Taiwan
| | - Zong-Yu Yang
- Gongwin Biopharm Co., Ltd., Taipei 104001, Taiwan
| | - Yi-Fen Chiang
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan
| | - Ko-Chieh Huang
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan
| | - Kai-Lee Wang
- Department of Nursing, Deh Yu College of Nursing and Health, Keelung 20301, Taiwan
| | - Mohamed Ali
- Clinical Pharmacy Department, Faculty of Pharmacy, Ain Shams University, 11566 Cairo, Egypt
| | - Tzong-Ming Shieh
- School of Dentistry, College of Dentistry, China Medical University, Taichung 40402, Taiwan
| | - Hsin-Yi Chang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 11490, Taiwan
| | - Tsui-Chin Huang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan.
| | - Shih-Min Hsia
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Metabolism and Obesity Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan; School of Food Safety, Taipei Medical University, Taipei 11031, Taiwan; Nutrition Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan; TMU Research Center for Digestive Medicine, Taipei Medical University, Taipei 110301, Taiwan.
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18
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Zhao F, Pan C, Zhang Y, Yang J, Xing X. Polyphyllin VII alleviates pulmonary hypertension by inducing miR-205-5p to target the β-catenin pathway. Biomed Pharmacother 2023; 167:115516. [PMID: 37717533 DOI: 10.1016/j.biopha.2023.115516] [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: 06/21/2023] [Revised: 09/01/2023] [Accepted: 09/12/2023] [Indexed: 09/19/2023] Open
Abstract
OBJECTIVE This study aims to investigate the impact of Polyphyllin VII (PP7) on pulmonary hypertension (PH) and elucidate the underlying mechanism involving microRNA (miR)-205-5p/β-catenin. METHODS The PH rat model was induced through hypoxia exposure. The effects of intraperitoneal injection of PP7 on pulmonary artery tissue pathology, hemodynamics, miR-205-5p expression and β-catenin protein levels were assessed. In vitro, pulmonary arterial smooth muscle cells (PASMCs) were subjected to hypoxic conditions. Moreover, miR-205-5p and/or β-catenin were overexpressed through transfection. PASMCs were pre-cultured in 20 μM PP7, and subsequent measurements included proliferation, apoptosis and vascular remodeling protein expression. RESULTS PP7 ameliorated PH symptoms in rats, upregulated miR-205-5p expression and inhibited β-catenin protein expression. Furthermore, miR-205-5p upregulation inhibited β-catenin expression in PASMCs. The overexpression of β-catenin aggravated hypoxia-induced proliferation, inhibited apoptosis and further augmented VEGF and α-SMA protein expression. Additionally, miR-205-5p overexpression alleviated the hypoxia-induced PASMC proliferation and apoptosis by inhibiting β-catenin protein expression. Under hypoxic conditions, PP7 significantly elevated miR-205-5p while downregulating β-catenin protein expression. Furthermore, inhibiting miR-205-5p counteracted the inhibitory effect of PP7 on β-catenin, consequently blocking the regulatory role of PP7 in PASMC proliferation and apoptosis. CONCLUSION PP7 likely modulates β-catenin protein levels by promoting miR-205-5p expression, thereby alleviating PH, vascular remodeling and airway smooth muscle remodeling.
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Affiliation(s)
- Fangyun Zhao
- Department of Pharmacy, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Chunhong Pan
- Department of Pharmacy, The First People's Hospital of Kunming City & Calmette Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yue Zhang
- Department of Pharmacy, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Jiao Yang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, China.
| | - Xiqian Xing
- Department of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Yunnan University, Kunming, China.
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19
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Liu R, Liu Z, Chen H, He S, Wang S, Dai J, Li X. Ginkgolide K delays the progression of osteoarthritis by regulating YAP to promote the formation of cartilage extracellular matrix. Phytother Res 2023; 37:5205-5222. [PMID: 37527970 DOI: 10.1002/ptr.7953] [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: 03/10/2023] [Revised: 06/12/2023] [Accepted: 07/02/2023] [Indexed: 08/03/2023]
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by cartilage wear and degradation. Ginkgolide K (GK) is a natural compound extracted from Ginkgo biloba leaves and possesses anti-inflammatory and anti-apoptotic effects. We found that the biological characteristics of GK were highly consistent with those of OA medications. This study aimed to determine and verify the therapeutic effect of GK on OA and mechanism of its therapeutic effect. For the in vivo experiment, OA rats were regularly injected in the articular cavity with GK, and the curative effects were observed after 4 and 8 weeks. For the in vitro experiment, we treated OA chondrocytes with different concentrations of GK and then detected the related indices of OA. Through the in vivo and in vitro experiments, we found that GK could promote the production of major components of the cartilage extracellular matrix. Transcriptome sequencing revealed that GK may activate hypoxia-inducible factor 1 alpha via the hypoxia signaling pathway, which, in turn, activates yes-associated protein and inhibits apoptosis of OA chondrocytes. GK has a therapeutic effect on OA and, therefore, has the potential to be developed into a new drug for OA treatment.
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Affiliation(s)
- Ruizhou Liu
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
| | | | - Hui Chen
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
| | - Shiping He
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
| | - Shihan Wang
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
| | - Jihang Dai
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
| | - Xiaolei Li
- Clinical Medical Collage of Yangzhou University, North Jiangsu People's Hospital, Yangzhou, China
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20
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Gong S, Li C, Leng Q, Liu C, Zhu Y, Zhang H, Li X. Inhibition of the mTORC1 pathway alleviates adipose tissue fibrosis. Heliyon 2023; 9:e21526. [PMID: 38034664 PMCID: PMC10681937 DOI: 10.1016/j.heliyon.2023.e21526] [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: 07/25/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 12/02/2023] Open
Abstract
Background Adipose fibrosis is a major factor of adipose dysfunction, which causes metabolic dysfunction during obesity, but its molecular mechanisms are poorly understood. This study investigated the role and potential mechanisms of mTORC1 in obesity-induced adipose fibrosis. Methods ob/ob mice were injected with rapamycin or the same volume of normal saline. The level of fibrosis in epididymal adipose tissue (EAT) was detected by observing aberrant deposition of extracellular matrix. Expression of fibrotic related genes was analysed using RNA-seq. 3T3-L1 preadipocytes were treated with cobalt chloride (CoCl2) and TGF-β1 to induce preadipocyte fibrosis. The fibrosis-related gene expression and protein levels were determined by RT-PCR, WB, and immunofluorescence in two types of fibrotic preadipocytes with or without rapamycin. Results Compared with vehicle treatment, EAT fibrosis-related aberrant deposition of extracellular matrix proteins and fibrotic gene expression were reduced in ob/ob mice treated with rapamycin. Both CoCl2-induced hypoxia and TGF-β1 successfully promoted adipocyte fibrosis, and the upregulated fibrosis-related genes expression was inhibited after the mTORC1 pathway was inhibited by rapamycin. Conclusion Inhibition of the mTORC1 pathway ameliorates adipose fibrosis by suppressing fibrosis-related genes in hypoxia- and TGF-β-induced fibrotic preadipocytes.
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Affiliation(s)
- Sa Gong
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
- Shanghai Songjiang District Fangta Hospital of Traditional Chinese Medicine, Shanghai, 201600, China
| | - Chang Li
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Qingyang Leng
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Chongxiao Liu
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Yi Zhu
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Hongli Zhang
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Xiaohua Li
- Department of Endocrinology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
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21
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Dürig J, Calcagni M, Buschmann J. Transition metals in angiogenesis - A narrative review. Mater Today Bio 2023; 22:100757. [PMID: 37593220 PMCID: PMC10430620 DOI: 10.1016/j.mtbio.2023.100757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/14/2023] [Accepted: 07/31/2023] [Indexed: 08/19/2023] Open
Abstract
The aim of this paper is to offer a narrative review of the literature regarding the influence of transition metals on angiogenesis, excluding lanthanides and actinides. To our knowledge there are not any reviews up to date offering such a summary, which inclined us to write this paper. Angiogenesis describes the process of blood vessel formation, which is an essential requirement for human growth and development. When the complex interplay between pro- and antiangiogenic mediators falls out of balance, angiogenesis can quickly become harmful. As it is so fundamental, both its inhibition and enhancement take part in various diseases, making it a target for therapeutic treatments. Current methods come with limitations, therefore, novel agents are constantly being researched, with metal agents offering promising results. Various transition metals have already been investigated in-depth, with studies indicating both pro- and antiangiogenic properties, respectively. The transition metals are being applied in various formulations, such as nanoparticles, complexes, or scaffold materials. Albeit the increasing attention this field is receiving, there remain many unanswered questions, mostly regarding the molecular mechanisms behind the observed effects. Notably, approximately half of all the transition metals have not yet been investigated regarding potential angiogenic effects. Considering the promising results which have already been established, it should be of great interest to begin investigating the remaining elements whilst also further analyzing the established effects.
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Affiliation(s)
- Johannes Dürig
- University of Zürich, Faculty of Medicine, Pestalozzistrasse 3, 8032, Zurich, Switzerland
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Maurizio Calcagni
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Johanna Buschmann
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
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22
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Sciarretta F, Ceci V, Tiberi M, Zaccaria F, Li H, Zhou ZY, Sun Q, Konja D, Matteocci A, Bhusal A, Verri M, Fresegna D, Balletta S, Ninni A, Di Biagio C, Rosina M, Suk K, Centonze D, Wang Y, Chiurchiù V, Aquilano K, Lettieri-Barbato D. Lipocalin-2 promotes adipose-macrophage interactions to shape peripheral and central inflammatory responses in experimental autoimmune encephalomyelitis. Mol Metab 2023; 76:101783. [PMID: 37517520 PMCID: PMC10448472 DOI: 10.1016/j.molmet.2023.101783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/01/2023] Open
Abstract
OBJECTIVE Accumulating evidence suggests that dysfunctional adipose tissue (AT) plays a major role in the risk of developing multiple sclerosis (MS), the most common immune-mediated and demyelinating disease of the central nervous system. However, the contribution of adipose tissue to the etiology and progression of MS is still obscure. This study aimed at deciphering the responses of AT in experimental autoimmune encephalomyelitis (EAE), the best characterized animal model of MS. RESULTS AND METHODS We observed a significant AT loss in EAE mice at the onset of disease, with a significant infiltration of M1-like macrophages and fibrosis in the AT, resembling a cachectic phenotype. Through an integrative and multilayered approach, we identified lipocalin2 (LCN2) as the key molecule released by dysfunctional adipocytes through redox-dependent mechanism. Adipose-derived LCN2 shapes the pro-inflammatory macrophage phenotype, and the genetic deficiency of LCN2 specifically in AT reduced weight loss as well as inflammatory macrophage infiltration in spinal cord in EAE mice. Mature adipocytes downregulating LCN2 reduced lipolytic response to inflammatory stimuli (e.g. TNFα) through an ATGL-mediated mechanism. CONCLUSIONS Overall data highlighted a role LCN2 in exacerbating inflammatory phenotype in EAE model, suggesting a pathogenic role of dysfunctional AT in MS.
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Affiliation(s)
| | - Veronica Ceci
- PhD Program in Evolutionary Biology and Ecology, Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy; Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Marta Tiberi
- Laboratory of Resolution of Neuroinflammation, IRCCS Santa Lucia Foundation, 00179 Rome, Italy
| | - Fabio Zaccaria
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Haoyun Li
- The State Key Laboratory of Pharmaceutical Biotechnology; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Zhong-Yan Zhou
- The State Key Laboratory of Pharmaceutical Biotechnology; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China; Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qiyang Sun
- The State Key Laboratory of Pharmaceutical Biotechnology; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Daniels Konja
- The State Key Laboratory of Pharmaceutical Biotechnology; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Alessandro Matteocci
- Laboratory of Resolution of Neuroinflammation, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; PhD program in Immunology, Molecular Medicine and Applied biotechnologies, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Anup Bhusal
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; BK21 Plus KNU Biomedical Convergence Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Martina Verri
- Pathology Unit, University Hospital Campus Bio-Medico of Rome, 00128 Rome, Italy
| | - Diego Fresegna
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00163 Rome, Italy
| | - Sara Balletta
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; Unit of Neurology, IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Andrea Ninni
- PhD Program in Evolutionary Biology and Ecology, Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy; Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Claudia Di Biagio
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Marco Rosina
- Neurology Unit, Fondazione PTV Policlinico Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Kyoungho Suk
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; BK21 Plus KNU Biomedical Convergence Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Diego Centonze
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; Unit of Neurology, IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Yu Wang
- The State Key Laboratory of Pharmaceutical Biotechnology; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Valerio Chiurchiù
- Laboratory of Resolution of Neuroinflammation, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; Institute of Translational Pharmacology, National Research Council, 00133 Rome, Italy
| | - Katia Aquilano
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Daniele Lettieri-Barbato
- IRCCS, Fondazione Santa Lucia, 00179 Rome, Italy; Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy.
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Tang H, Kuang Y, Wu W, Peng B, Fu Q. Quercetin inhibits the metabolism of arachidonic acid by inhibiting the activity of CYP3A4, thereby inhibiting the progression of breast cancer. Mol Med 2023; 29:127. [PMID: 37710176 PMCID: PMC10502985 DOI: 10.1186/s10020-023-00720-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 08/25/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND Recent years have witnessed impressive growth in applying natural medicine in tumor treatment. Saffron is reported to elicit an inhibitory property against BC. Herein, we sought to explore the specific components and mechanistic basis of saffron's anti-breast carcinoma (BC) function. METHODS Bioinformatics analysis was employed to analyze saffron components' anti-BC activity and screen the corresponding target genes involved in BC. Then, the roles of the main saffron ingredient quercetin in the activity of BC cells were examined using CCK-8, MTS, flow cytometry, colony formation, Transwell, and Gelatin zymogram assays. Additionally, the interactions among Quercetin, EET, and Stat3 were assessed by immunofluorescence and Western blot, and LC-MS/MS determined the levels of AA, EETs, and CYP3A. Finally, BC xenograft mouse models were established to verify the anti-BC function of Quercetin in vivo. RESULTS Quercetin, the main active component of saffron, inhibited BC progression. Quercetin suppressed BC cell growth, migration, and invasion and inhibited CYP3A4 expression and activity in BC. Mechanistically, Quercetin down-regulated CYP3A4 to block the nuclear translocation of Stat3 by decreasing the metabolization of AA to EETs, thereby alleviating BC. Moreover, exogenously added EETs counteracted the anti-tumor effect of Quercetin on BC. Quercetin also inhibited the tumor growth of tumor-bearing nude mice. CONCLUSION Quercetin could inhibit the activity of CYP3A to down-regulate AA metabolites EETs, consequently hampering p-Stat3 and nuclear translocation, thus impeding BC development.
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Affiliation(s)
- Huaming Tang
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Wuhou District, Sichuan Province, Chengdu, 610000, People's Republic of China
| | - Yuanli Kuang
- Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing, 400700, People's Republic of China
| | - Wan Wu
- Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing, 400700, People's Republic of China
| | - Bing Peng
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Wuhou District, Sichuan Province, Chengdu, 610000, People's Republic of China.
| | - Qianmei Fu
- Department of Oncology, Chongqing Kaizhou District People's Hospital, No. 8, Ankang Road, Hanfeng Street, Kaizhou District, Chongqing, 400700, People's Republic of China.
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Qi X, Bie M, Jiang R, Kang F. HIF-1α regulates osteoclastogenesis and alveolar bone resorption in periodontitis via ANGPTL4. Arch Oral Biol 2023; 153:105736. [PMID: 37290266 DOI: 10.1016/j.archoralbio.2023.105736] [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: 04/10/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVE The mechanism of alveolar bone resorption caused by periodontitis is not fully understood. We sought to investigate whether microenvironmental changes of local hypoxia are involved in these processes. METHODS In this study, periodontitis models of control mice and knockout of Hypoxia Induced Factor 1α (HIF-1α) harboring Cathepsin K (CTSK) Cre mice were constructed to study the effect of osteoclasts affected by hypoxic environment on alveolar bone resorption. RAW264.7 cells were subsequently induced by CoCl2 to observe the effects of HIF-1α and Angiopoietin-like Protein 4 (ANGPTL4) on osteoblast differentiation and fusion. RESULTS The degree of alveolar bone resorption in the periodontitis tissues was lesser in mice with conditional knockout of HIF-1α in osteoclasts than in wild-type mice. We also observed that HIF-1α conditional knockout mice had fewer osteoclasts on the alveolar bone surface than control mice. HIF-1α increases the expression of ANGPTL4 and promotes the differentiation of RAW264.7 cells into osteoblasts and cell fusion under chemically simulated hypoxic conditions. CONCLUSION HIF-1α regulates osteoclastogenesis and participates in bone resorption in periodontitis through ANGPTL4.
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Affiliation(s)
- Xin Qi
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital and Dental School of Tongji University, Shanghai, China; Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - MiaoMiao Bie
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital and Dental School of Tongji University, Shanghai, China; Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Runyang Jiang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital and Dental School of Tongji University, Shanghai, China; Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Feiwu Kang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital and Dental School of Tongji University, Shanghai, China; Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China.
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Choi SG, Shin J, Lee KY, Park H, Kim SI, Yi YY, Kim DW, Song HJ, Shin HJ. PINK1 siRNA-loaded poly(lactic-co-glycolic acid) nanoparticles provide neuroprotection in a mouse model of photothrombosis-induced ischemic stroke. Glia 2023; 71:1294-1310. [PMID: 36655313 DOI: 10.1002/glia.24339] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 12/14/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023]
Abstract
PTEN-induced kinase 1 (PINK1) is a well-known critical marker in the pathway for mitophagy regulation as well as mitochondrial dysfunction. Evidence suggests that mitochondrial dynamics and mitophagy flux play an important role in the development of brain damage from stroke pathogenesis. In this study, we propose a treatment strategy using nanoparticles that can control PINK1. We used a murine photothrombotic ischemic stroke (PTS) model in which clogging of blood vessels is induced with Rose Bengal (RB) to cause brain damage. We targeted PINK1 with poly(lactic-co-glycolic acid) (PLGA)-based nanoparticles loaded with PINK1 siRNA (PINK1 NPs). After characterizing siRNA loading in the nanoparticles, we assessed the efficacy of PINK1 NPs in mice with PTS using immunohistochemistry, 1% 2,3,5-triphenyltetrazolium chloride staining, measurement of motor dysfunction, and Western blot. PINK1 was highly expressed in microglia 24 h after PTS induction. PINK1 siRNA treatment increased phagocytic activity, migration, and expression of an anti-inflammatory state in microglia. In addition, the PLGA nanoparticles were selectively taken up by microglia and specifically regulated PINK1 expression in those cells. Treatment with PINK1 NPs prior to stroke induction reduced expression of mitophagy-inducing factors, infarct volume, and motor dysfunction in mice with photothrombotic ischemia. Experiments with PINK1-knockout mice and microglia depletion with PLX3397 confirmed a decrease in stroke-induced infarct volume and behavioral dysfunction. Application of nanoparticles for PINK1 inhibition attenuates RB-induced photothrombotic ischemic injury by inhibiting microglia responses, suggesting that a nanomedical approach targeting the PINK1 pathway may provide a therapeutic avenue for stroke treatment.
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Affiliation(s)
- Seung Gyu Choi
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Juhee Shin
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Ka Young Lee
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Hyewon Park
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Song I Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Yoon Young Yi
- Department of Pediatrics, College of Medicine, Hallym University and Gangdong Sacred Heart Hospital, Seoul, Republic of Korea
| | - Dong Woon Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Hee-Jung Song
- Department of Neurology, Chungnam National University Sejong Hospital and College of Medicine, Republic of Korea
| | - Hyo Jung Shin
- Brain Research Institute, Chungnam National University, Daejeon, Republic of Korea
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Hu C, Feng X, Ma Y, Wei D, Zhang L, Wang S, Ma Y. CircADAMTS16 Inhibits Differentiation and Promotes Proliferation of Bovine Adipocytes by Targeting miR-10167-3p. Cells 2023; 12:cells12081175. [PMID: 37190084 DOI: 10.3390/cells12081175] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/26/2023] [Accepted: 04/14/2023] [Indexed: 05/17/2023] Open
Abstract
Circular RNAs (CircRNAs) are covalently closed-loop non-coding RNA (ncRNA) molecules present in eukaryotes. Numerous studies have demonstrated that circRNAs are important regulators of bovine fat deposition, but their precise mechanisms remain unclear. Previous transcriptome sequencing studies have indicated that circADAMTS16, a circRNA derived from the a disintegrin-like metalloproteinases with the thrombospondin motif 16 (ADAMTS16) gene, is high expressed in bovine adipose tissue. This gives a hint that the circRNA may be involved in the process of bovine lipid metabolism. In this study, the targeting relationship between circADAMTS16 and miR-10167-3p was verified using a dual-luciferase reporter assay. Then, the functions of circADAMTS16 and miR-10167-3p in bovine adipocytes were explored through gain-of-function and lose-of-function. The mRNA expression levels of genes were detected by real-time quantitative PCR (qPCR), and lipid droplet formation was phenotypically evaluated by Oil Red O staining. Cell proliferation and apoptosis were detected using CCK-8, EdU, and flow cytometry. We demonstrated that circADAMTS16 targeted binding to miR-10167-3p. The up-regulation of circADAMTS16 inhibited the differentiation of bovine preadipocytes, and the overexpression of miR-10167-3p promoted the differentiation of bovine preadipocytes. Meanwhile, CCK-8 and EdU results indicated that circADAMTS16 promoted adipocyte proliferation. Subsequently, flow cytometry analysis showed that circADAMTS16 promoted cell transition from G0/G1 phase to S phase, and inhibited cell apoptosis. However, up-regulation of miR-10167-3p inhibited cell proliferation and promoted apoptosis. Briefly, circADAMTS16 inhibited the differentiation and promotes the proliferation of bovine adipocytes by targeting miR-10167-3p during bovine fat deposition, which provides new insights into the mechanism of circRNAs regulation of beef quality.
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Affiliation(s)
- Chunli Hu
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Xue Feng
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Yanfen Ma
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Dawei Wei
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Lingkai Zhang
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Shuzhe Wang
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Yun Ma
- Key Laboratory of Ruminant Molecular and Cellular Breeding of Ningxia Hui Autonomous Region, College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
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Dörschmann P, Akkurt H, Kopplin G, Mikkelsen MD, Meyer AS, Roider J, Klettner A. Establishment of specific age-related macular degeneration relevant gene expression panels using porcine retinal pigment epithelium for assessing fucoidan bioactivity. Exp Eye Res 2023; 231:109469. [PMID: 37037364 DOI: 10.1016/j.exer.2023.109469] [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: 11/11/2022] [Revised: 03/24/2023] [Accepted: 04/06/2023] [Indexed: 04/12/2023]
Abstract
PURPOSE Age-related macular degeneration (AMD) is the leading cause of severe vision loss in industrialized nations. Important factors in pathogenesis are oxidative stress, inflammation, and, in the wet form of AMD, angiogenesis. Fucoidans, sulfated polysaccharides from brown algae, may have antioxidant, anti-inflammatory, and antiangiogenic effects. In this study, we established specific gene expression panels for inflammation, oxidative stress and angiogenesis in porcine retinal pigment epithelium (RPE), and investigated the effect of fucoidans on gene expression under different noxious agents. METHODS Primary porcine RPE cells cultured for at least 14 days were used. Using viability assays with tetrazolium bromide and real-time polymerase chain reaction of marker genes, positive controls were established for appropriate concentrations and exposure times of selected noxious agents (lipopolysaccharide (LPS), H2O2, CoCl2). Three different AMD relevant gene panels specific for porcine RPE for inflammation, oxidative stress, and angiogenesis were established, and the influence of fucoidans (mainly Fucus vesiculosus; FV) on gene expression was investigated. RESULTS The following was shown by gene expression analyses: (1) Inflammation panel: Expression of 18 genes was affected under LPS (three days). Among them, LPS increased genes for interleukin 1 receptor 2, interleukin 8, cyclooxygenase-2 and vascular cell adhesion protein 1 expression which were diminished when FV was present. (2) Oxidative stress panel: Under stimulation of H2O2 (one day) and LPS (one day), expression of a total of 15 genes was affected. LPS induced increase in genes for superoxide dismutase-1, C-X-C motif chemokine 10, and CC chemokine ligand-5 expression was not detected when FV was present. (3) Angiogenesis panel: Under stimulation with CoCl2 (three days) expression of six genes was affected, with the increase of genes for angiopoietin 2, vascular endothelial growth factor receptor-1, and follistatin being diminished when FV was present. CONCLUSION Three specific gene expression panels for porcine RPE that map genes for three of the major pathological factors of AMD, inflammation, oxidative stress, and angiogenesis, were established. Further, we demonstrated that fucoidans can reduce stress related gene activation in all of these three major pathogenic pathways. This study is another indication that fucoidans can act on different pathomechanisms of AMD simultaneously, which provides further evidence for fucoidans as a possible drug for treatment and prevention of AMD.
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Affiliation(s)
- Philipp Dörschmann
- Kiel University, University Medical Center, Department of Ophthalmology, Arnold-Heller-Str. 3, Haus B2, 24105, Kiel, Germany.
| | - Hubeydullah Akkurt
- Kiel University, University Medical Center, Department of Ophthalmology, Arnold-Heller-Str. 3, Haus B2, 24105, Kiel, Germany
| | - Georg Kopplin
- Alginor ASA, Haraldsgata 162, 5525, Haugesund, Norway
| | | | - Anne S Meyer
- Technical University of Denmark, Søltofts Plads, 2800 Kgs. Lyngby, Denmark
| | - Johann Roider
- Kiel University, University Medical Center, Department of Ophthalmology, Arnold-Heller-Str. 3, Haus B2, 24105, Kiel, Germany
| | - Alexa Klettner
- Kiel University, University Medical Center, Department of Ophthalmology, Arnold-Heller-Str. 3, Haus B2, 24105, Kiel, Germany
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Yang HL, Lin PY, Vadivalagan C, Lin YA, Lin KY, Hseu YC. Coenzyme Q 0 defeats NLRP3-mediated inflammation, EMT/metastasis, and Warburg effects by inhibiting HIF-1α expression in human triple-negative breast cancer cells. Arch Toxicol 2023; 97:1047-1068. [PMID: 36847822 DOI: 10.1007/s00204-023-03456-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/02/2023] [Indexed: 03/01/2023]
Abstract
Coenzyme Q0 (CoQ0) is a derivative quinone from Antrodia camphorata (AC) that exerts anticancer activities. This study examined the anticancer attributes of CoQ0 (0-4 µM) on inhibited anti-EMT/metastasis and NLRP3 inflammasome, and altered Warburg effects via HIF-1α inhibition in triple-negative breast cancer (MDA-MB-231 and 468) cells. MTT assay, cell migration/invasion assays, Western blotting, immunofluorescence, metabolic reprogramming, and LC-ESI-MS were carried out to assess the therapy potential of CoQ0. CoQ0 inhibited HIF-1α expression and suppressed the NLRP3 inflammasome and ASC/caspase-1 expression, followed by downregulation of IL-1β and IL-18 expression in MDA-MB-231 and 468 cells. CoQ0 ameliorated cancer stem-like markers by decreasing CD44 and increasing CD24 expression. Notably, CoQ0 modulated EMT by upregulating the epithelial marker E-cadherin and downregulating the mesenchymal marker N-cadherin. CoQ0 inhibited glucose uptake and lactate accumulation. CoQ0 also inhibited HIF-1α downstream genes involved in glycolysis, such as HK-2, LDH-A, PDK-1, and PKM-2 enzymes. CoQ0 decreased extracellular acidification rate (ECAR), glycolysis, glycolytic capacity, and glycolytic reserve in MDA-MB-231 and 468 cells under normoxic and hypoxic (CoCl2) conditions. CoQ0 inhibited the glycolytic intermediates lactate, FBP, and 2/3-PG, and PEP levels. CoQ0 increased oxygen consumption rate (OCR), basal respiration, ATP production, maximal respiration, and spare capacity under normoxic and hypoxic (CoCl2) conditions. CoQ0 increased TCA cycle metabolites, such as citrate, isocitrate, and succinate. CoQ0 inhibited aerobic glycolysis and enhanced mitochondrial oxidative phosphorylation in TNBC cells. Under hypoxic conditions, CoQ0 also mitigated HIF-1α, GLUT1, glycolytic-related (HK-2, LDH-A, and PFK-1), and metastasis-related (E-cadherin, N-cadherin, and MMP-9) protein or mRNA expression in MDA-MB-231 and/or 468 cells. Under LPS/ATP stimulation, CoQ0 inhibited NLRP3 inflammasome/procaspase-1/IL-18 activation and NFκB/iNOS expression. CoQ0 also hindered LPS/ATP-stimulated tumor migration and downregulated LPS/ATP-stimulated N-cadherin and MMP-2/-9 expression. The present study revealed that suppression of HIF-1α expression caused by CoQ0 may contribute to inhibition of NLRP3-mediated inflammation, EMT/metastasis, and Warburg effects of triple-negative breast cancers.
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Affiliation(s)
- Hsin-Ling Yang
- Institute of Nutrition, College of Health Care, China Medical University, No. 100, Section 1, Jingmao Road, Beitun, Taichung, 406040, Taiwan
| | - Ping-Yu Lin
- Institute of Nutrition, College of Health Care, China Medical University, No. 100, Section 1, Jingmao Road, Beitun, Taichung, 406040, Taiwan
| | - Chithravel Vadivalagan
- Department of Cosmeceutics, College of Pharmacy, China Medical University, No. 100, Section 1, Jingmao Road, Beitun, Taichung, 406040, Taiwan
| | - Yi-An Lin
- Institute of Nutrition, College of Health Care, China Medical University, No. 100, Section 1, Jingmao Road, Beitun, Taichung, 406040, Taiwan
| | - Kai-Yuan Lin
- Department of Medical Research, Chi-Mei Medical Center, Tainan, 710, Taiwan
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan, 71710, Taiwan
| | - You-Cheng Hseu
- Department of Cosmeceutics, College of Pharmacy, China Medical University, No. 100, Section 1, Jingmao Road, Beitun, Taichung, 406040, Taiwan.
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, 41354, Taiwan.
- Chinese Medicine Research Center, China Medical University, Taichung, 40402, Taiwan.
- Research Center of Chinese Herbal Medicine, China Medical University, Taichung, 40402, Taiwan.
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Mitochondrial Lon-induced mitophagy benefits hypoxic resistance via Ca 2+-dependent FUNDC1 phosphorylation at the ER-mitochondria interface. Cell Death Dis 2023; 14:199. [PMID: 36927870 PMCID: PMC10020552 DOI: 10.1038/s41419-023-05723-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 02/18/2023] [Accepted: 03/03/2023] [Indexed: 03/18/2023]
Abstract
During hypoxia, FUNDC1 acts as a mitophagy receptor and accumulates at the ER (endoplasmic reticulum)-mitochondria contact sites (EMC), also called mitochondria-associated membranes (MAM). In mitophagy, the ULK1 complex phosphorylates FUNDC1(S17) at the EMC site. However, how mitochondria sense the stress and send the signal from the inside to the outside of mitochondria to trigger mitophagy is still unclear. Mitochondrial Lon was reported to be localized at the EMC under stress although the function remained unknown. In this study, we explored the mechanism of how mitochondrial sensors of hypoxia trigger and stabilize the FUNDC1-ULK1 complex by Lon in the EMC for cell survival and cancer progression. We demonstrated that Lon is accumulated in the EMC and associated with FUNDC1-ULK1 complex to induce mitophagy via chaperone activity under hypoxia. Intriguingly, we found that Lon-induced mitophagy is through binding with mitochondrial Na+/Ca2+ exchanger (NCLX) to promote FUNDC1-ULK1-mediated mitophagy at the EMC site in vitro and in vivo. Accordingly, our findings highlight a novel mechanism responsible for mitophagy initiation under hypoxia by chaperone Lon in mitochondria through the interaction with FUNDC1-ULK1 complex at the EMC site. These findings provide a direct correlation between Lon and mitophagy on cell survival and cancer progression.
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Zhong J, Shen X, Zhou J, Yu H, Wang B, Sun J, Wang J, Liu F. Development and validation of a combined hypoxia and ferroptosis prognostic signature for breast cancer. Front Oncol 2023; 13:1077342. [PMID: 36998462 PMCID: PMC10043308 DOI: 10.3389/fonc.2023.1077342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 02/23/2023] [Indexed: 03/17/2023] Open
Abstract
BackgroundHypoxia is involved in tumor biological processes and disease progression. Ferroptosis, as a newly discovered programmed cell death process, is closely related to breast cancer (BC) occurrence and development. However, reliable prognostic signatures based on a combination of hypoxia and ferroptosis in BC have not been developed.MethodWe set The Cancer Genome Atlas (TCGA) breast cancer cohort as training set and the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) BC cohort as the validation set. Least Absolute Shrinkage and Selection Operator (LASSO) and COX regression approaches were used to construct ferroptosis-related genes (FRGs) and hypoxia-related genes (HRGs) prognostic signature (HFRS). The CIBERSORT algorithm and ESTIMATE score were used to explore the relationship between HFRS and tumor immune microenvironment. Immunohistochemical staining was used to detect protein expression in tissue samples. A nomogram was developed to advance the clinical application of HFRS signature.ResultsTen ferroptosis-related genes and hypoxia-related genes were screened to construct the HFRS prognostic signature in TCGA BC cohort, and the predictive capacity was verified in METABRIC BC cohort. BC patients with high-HFRS had shorter survival time, higher tumor stage, and a higher rate of positive lymph node. Moreover, high HFRS was associated with high hypoxia, ferroptosis, and immunosuppression status. A nomogram that was constructed with age, stage, and HFRS signature showed a strong prognostic capability to predict overall survival (OS) for BC patients.ConclusionWe developed a novel prognostic model with hypoxia and ferroptosis-related genes to predict OS, and characterize the immune microenvironment of BC patients, which might provide new cures for clinical decision-making and individual treatment of BC patients.
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Affiliation(s)
- Jianxin Zhong
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Breast Oncology, Peking University Cancer Hospital and Institute, Beijing, China
| | - Xi Shen
- Department of Head and Neck Oncology and Department of Radiation Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Junjie Zhou
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Heping Yu
- Department of Thyroid and Breast Surgery, Wuhan Fourth Hospital, Wuhan, China
| | - Birong Wang
- Department of Thyroid and Breast Surgery, Wuhan Fourth Hospital, Wuhan, China
| | - Jianbin Sun
- Department of Thyroid and Breast Surgery, Wuhan Fourth Hospital, Wuhan, China
| | - Jing Wang
- Department of Thoracic Surgery, Wuhan Fourth Hospital, Wuhan, China
- *Correspondence: Jing Wang, ; Feng Liu,
| | - Feng Liu
- Department of Thyroid and Breast Surgery, Wuhan Fourth Hospital, Wuhan, China
- *Correspondence: Jing Wang, ; Feng Liu,
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Kumar S, Verma PK, Shukla A, Singh RK, Patel AK, Yadav L, Kumar S, Kumar N, Acharya A. Moringa oleifera L. leaf extract induces cell cycle arrest and mitochondrial apoptosis in Dalton's Lymphoma: An in vitro and in vivo study. JOURNAL OF ETHNOPHARMACOLOGY 2023; 302:115849. [PMID: 36306933 DOI: 10.1016/j.jep.2022.115849] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/14/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The present work is based on a wide spectrum of evidences available from scientific literature which reflects nutritional and medicinal values of natural products such as plants and their extracts. Moringa oleifera is one such popular plant species amidst indigenous tribal communities which is frequently used to treat ailments such as piles, sore throat, eye and ear infections and even poisonous bites of tropical fauna such as insects or snakes. Furthermore decoction of leaf and bark was used to cure fever and cough. Evidences further reveal that Moringa oleifera L. (Family Moringaceae), is widely distributed not only over the Indian sub-continent, but also over Philippines, Central America, Saudi Arabia and the Caribbean Islands and have been traditionally used to treat cancers since ancient times. However, therapeutic effects of Moringa oleifera on Non-Hodgkin Lymphoma (NHL) are yet to be established. AIM OF THE STUDY The study aims to investigate the anti-cancer effects of Moringa oleifera leaf extract against murine NHL Non-Hodgkin cells in vitro and in vivo. MATERIAL AND METHODS The pharmacologically active compounds of Moringa oleifera leaf extract were identified by GC-HRMS analysis. Tests of Moringa oleifera leaf extract's cytotoxicity against DL cells were carried out using the MTT assay. Chromatin condensation along with other morphological alterations were visualized through Fluorescence microscopy. Changes in the mitochondrial membrane potential (ΔΨm), the cell cycle, and apoptosis were analysed through flow cytometer. We tried to identify proteins involved in apoptosis and cell cycle through Western blotting using BALB/c mice as a model organism. RESULTS GC-HRMS study revealed that a methanol based leaf extract of Moringa oleifera (MOML) comprises of a variety of bioactive chemicals. Our results indicate that MOML successfully reduced the proliferation of DL cells by lowering ΔΨm, changing overall cell morphology. DL cells treated with MOML showed arrested cell cycle at the G2/M phase and substantially up-regulated the expression of p53 and p21. Elevated levels of Bax, Cyt-c, and Caspase-3 and lowered expression levels of Bcl-2 protein suggested induction of apoptosis. Mechanistically, the anticancer efficacy of MOML is attributed to MEK/ERK-mediated pathway inactivation in DL cells. It is also interesting to note that MOML-mediated inhibition of DL growth was accompanied by apoptosis induction and improvement in hematological parameters in DL-bearing mice. CONCLUSION Our finding suggested that MOML induces apoptosis and abrogates the growth of Dalton's lymphoma both in vitro and in vivo.
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Affiliation(s)
- Sandeep Kumar
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Praveen Kumar Verma
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Alok Shukla
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Rishi Kant Singh
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Anand Kumar Patel
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Lokesh Yadav
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Sanjay Kumar
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Naveen Kumar
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India
| | - Arbind Acharya
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, U.P, India.
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Singh V, Rana NK, Kashif M, Manna PP, Basu Baul TS, Koch B. Aqua-(2-formylbenzoato)triphenyltin(IV) induces cell cycle arrest and apoptosis in hypoxic triple negative breast cancer cells. Toxicol In Vitro 2023; 86:105484. [DOI: 10.1016/j.tiv.2022.105484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/21/2022] [Accepted: 10/11/2022] [Indexed: 11/07/2022]
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[Shikonin induces hepatocellular carcinoma cell apoptosis by suppressing PKM2/PHD3/HIF-1 α signaling pathway]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2023; 43:92-98. [PMID: 36856215 DOI: 10.12122/j.issn.1673-4254.2023.01.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
OBJECTIVE To investigate the mechanism of shikonin-induced death of human hepatocellular carcinoma SMMC-7721 cells. METHODS Cultured SMMC-7721 cells and normal hepatocytes (L-02 cells) were treated with 4, 8, or 16 μmol/L shikonin, and the changes in cell viability was assessed using MTT assay. The levels of ATP and lactic acid in the cell cultures were detected using commercial kits. Co-immunoprecipitation and immunofluorescence staining were used to determine the relationship among pyruvate kinase M2 (PKM2), prolyl hydroxylase 3 (PHD3), and hypoxia-inducible factor-1α (HIF-1α). The expressions of PHD3, PKM2, HIF-1α, Bax, cleaved caspase-3, and Bcl-2 in SMMC-7721 cells were detected with Western blotting, and cell apoptosis was analyzed with annexin V-FITC/PI staining. The effects of RNA interference of PKM2 on PHD3 and HIF-1α expressions in SMMC-7721 cells were detected using Western blotting. RESULTS The IC50 of shikonin against SMMC-7721 and L-02 cells was 8.041 μmol/L and 31.75 μmol/L, respectively. Treatment with shikonin significantly inhibited the protein expressions of PKM2, HIF-1α and PHD3 and nuclear translocation of PKM2 and HIF-1α in SMMC-7721 cells. Coimmunoprecipitation and immunofluorescence staining confirmed that shikonin inhibited the formation of PKM2/PHD3/HIF-1α complex and significantly reduced the contents of lactic acid and ATP in SMMC-7721 cells (P < 0.05). The expressions of PHD3 and HIF-1α decreased significantly after PKM2 knockdown (P < 0.05). Shikonin treatment significantly increased the apoptosis rate, enhanced the expressions of Bax and cleaved caspase-3, and decreased Bcl-2 expression in SMMC-7721 cells (P < 0.05). CONCLUSIONS Shikonin induces apoptosis of SMMC-7721 cells possibly by inhibiting aerobic glycolysis through the PKM2/PHD3/HIF-1α signaling pathway to cause energy supply dysfunction in the cells.
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Tang J, Li Y, Liu X, Yu G, Zheng F, Guo Z, Zhang Y, Shao W, Wu S, Li H. Cobalt induces neurodegenerative damages through impairing autophagic flux by activating hypoxia-inducible factor-1α triggered ROS overproduction. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159432. [PMID: 36243078 DOI: 10.1016/j.scitotenv.2022.159432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/25/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Cobalt is an environmental toxicant, and excessive bodily exposure can damage the nervous system. Particularly, our previous study reported that low-dose cobalt (significantly less than the safety threshold) is still able to induce neurodegenerative changes. However, the underlying molecular mechanism is still insufficient revealed. Herein, we further investigate the molecular mechanism between cobalt-induced neurodegeneration and autophagy, as well as explore the interplay between hypoxia-inducible factor-1α (HIF-1α), reactive oxygen species (ROS), and autophagy in cobalt-exposed mice and human neuroglioma cells. We first reveal cobalt as an environmental toxicant to severely induce β amyloid (Aβ) deposition, tau hyperphosphorylation, and dysregulated autophagy in the hippocampus and cortex of mice. In particular, we further identify that cobalt-induced neurotoxicity is triggered by the impairment of autophagic flux in vitro experiments. Moreover, the mechanistic study reveals that cobalt exposure extremely activates HIF-1α expression to facilitate the overproduction of ROS. Then, elevated ROS can target the amino-threonine kinase (AKT)-mammalian target of rapamycin (mTOR)-Unc-51 like autophagy activating kinase 1 (ULK1) signaling pathway to participate in cobalt-induced impairment of autophagic flux. Subsequently, defected autophagy further exacerbates cobalt-induced neurotoxicity for its unable to eliminate the deposition of pathological protein. Therefore, our data provide scientific evidence for cobalt safety evaluation and risk assessment and propose a breakthrough for understanding the regulatory relationship between HIF-1α, ROS, and autophagy in cobalt-induced neurodegeneration.
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Affiliation(s)
- Jianping Tang
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Yanjun Li
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Xu Liu
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Guangxia Yu
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Fuli Zheng
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Zhenkun Guo
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Yating Zhang
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Wenya Shao
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Siying Wu
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Huangyuan Li
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
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Indisulam Reduces Viability and Regulates Apoptotic Gene Expression in Pediatric High-Grade Glioma Cells. Biomedicines 2022; 11:biomedicines11010068. [PMID: 36672576 PMCID: PMC9855339 DOI: 10.3390/biomedicines11010068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/13/2022] [Accepted: 12/18/2022] [Indexed: 12/29/2022] Open
Abstract
Pediatric high-grade glioma (pHGG) is one of the most aggressive brain tumors. Treatment includes surgery, radiotherapy, chemotherapy, or combination therapy in children older than 3−5 years of age. These devastating tumors are influenced by the hypoxic microenvironment that coordinatively increases the expression of carbonic anhydrases (CA9 and CA12) that are involved in pH regulation, metabolism, cell invasion, and resistance to therapy. The synthetic sulphonamide Indisulam is a potent inhibitor of CAs. The aim of this study was to evaluate the effects of Indisulam on CA9 and CA12 enzymes in pHGG cell lines. Our results indicated that, under hypoxia, the gene and protein expression of CA9 and CA12 are increased in pHGG cells. The functional effects of Indisulam on cell proliferation, clonogenic capacity, and apoptosis were measured in vitro. CA9 and CA12 gene and protein expression were analyzed by RT-PCR and western blot. The treatment with Indisulam significantly reduced cell proliferation (dose-time-dependent) and clonogenic capacity (p < 0.05) and potentiated the effect of apoptosis (p < 0.01). Indisulam promoted an imbalance in the anti-apoptotic BCL2 and pro-apoptotic BAX protein expression. Our results demonstrate that Indisulam contributes to apoptosis via imbalance of apoptotic proteins (BAX/BCL2) and suggests a potential to overcome chemotherapy resistance caused by the regulation these proteins.
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Park M, Bang C, Yun WS, Jin S, Jeong YM. Transwell-Hypoxia Method Facilitates the Outgrowth of 3D-Printed Collagen Scaffolds Loaded with Cryopreserved Patient-Derived Melanoma Explants. ACS APPLIED BIO MATERIALS 2022; 5:5302-5309. [PMID: 36265170 PMCID: PMC9682519 DOI: 10.1021/acsabm.2c00710] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A previous study from our laboratory demonstrated the effects of in vitro three-dimensional (3D)-printed collagen scaffolds on the maintenance of cryopreserved patient-derived melanoma explants (PDMEs). However, it remains unknown whether 3D-printed collagen scaffolds (3D-PCSs) can be harmonized with any external culture conditions to increase the growth of cryopreserved PDMEs. In this study, 3D-PCSs were manufactured with a 3DX bioprinter. The 3D-printed collagen scaffold-on-frame construction was loaded with fragments of cryopreserved PDMEs (approximately 1-2 mm). 3D-PCSs loaded with patient-derived melanoma explants (3D-PCS-PDMEs) were incubated using two types of methods: (1) in transwells in the presence of a low concentration of oxygen (transwell-hypoxia method) and (2) using a traditional adherent attached to the bottom flat surface of a standard culture dish (traditional flat condition). In addition, we used six different types of media (DMEM high glucose, MEM α, DMEM/F12, RPMI1640, fibroblast basal medium (FBM), and SBM (stem cell basal medium)) for 7 days. The results reveal that the culture conditions of MEM α, DMEM/F12, and FBM using the transwell-hypoxia method show greater synergic effects on the outgrowth of the 3D-PCS-PDME compared to the traditional flat condition. In addition, the transwell-hypoxia method shows a higher expression of the MMP14 gene and the multidrug-resistant gene product 1 (MDR1) than in the typical culture method. Taken together, our findings suggest that the transwell-hypoxia method could serve as an improved, 3D alternative to animal-free testing that better mimics the skin's microenvironment using in vitro PDMEs.
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Affiliation(s)
- MinJi Park
- T&R
Biofab Co., Ltd., Seongnam-si13487, Republic of Korea
| | - ChulHwan Bang
- Department
of Dermatology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul296-12, Korea
| | - Won-Soo Yun
- Department
of Mechanical Engineering, Tech University
of Korea, 237 Sangidaehak
Street, Si-heung City15115, Republic of Korea
| | - Songwan Jin
- Department
of Mechanical Engineering, Tech University
of Korea, 237 Sangidaehak
Street, Si-heung City15115, Republic of Korea
| | - Yun-Mi Jeong
- Department
of Mechanical Engineering, Tech University
of Korea, 237 Sangidaehak
Street, Si-heung City15115, Republic of Korea,
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Sodium Thiosulphate-Loaded Liposomes Control Hydrogen Sulphide Release and Retain Its Biological Properties in Hypoxia-like Environment. Antioxidants (Basel) 2022; 11:antiox11112092. [DOI: 10.3390/antiox11112092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/09/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022] Open
Abstract
Hypoxia, or insufficient oxygen availability is a common feature in the development of a myriad of cardiovascular-related conditions including ischemic disease. Hydrogen sulphide (H2S) donors, such as sodium thiosulphate (STS), are known for their cardioprotective properties. However, H2S due to its gaseous nature, is released and cleared rapidly, limiting its potential translation to clinical settings. For the first time, we developed and characterised liposome formulations encapsulating STS and explored their potential for modulating STS uptake, H2S release and the ability to retain pro-angiogenic and biological signals in a hypoxia-like environment mirroring oxygen insufficiency in vitro. Liposomes were prepared by varying lipid ratios and characterised for size, polydispersity and charge. STS liposomal encapsulation was confirmed by HPLC-UV detection and STS uptake and H2S release was assessed in vitro. To mimic hypoxia, cobalt chloride (CoCl2) was administered in conjunction with formulated and non-formulated STS, to explore pro-angiogenic and metabolic signals. Optimised liposomal formulation observed a liposome diameter of 146.42 ± 7.34 nm, a polydispersity of 0.22 ± 0.19, and charge of 3.02 ± 1.44 mV, resulting in 25% STS encapsulation. Maximum STS uptake (76.96 ± 3.08%) from liposome encapsulated STS was determined at 24 h. Co-exposure with CoCl2 and liposome encapsulated STS resulted in increased vascular endothelial growth factor mRNA as well as protein expression, enhanced wound closure and increased capillary-like formation. Finally, liposomal STS reversed metabolic switch induced by hypoxia by enhancing mitochondrial bioenergetics. These novel findings provide evidence of a feasible controlled-delivery system for STS, thus H2S, using liposome-based nanoparticles. Likewise, data suggests that in scenarios of hypoxia, liposomal STS is a good therapeutic candidate to sustain pro-angiogenic signals and retain metabolic functions that might be impaired by limited oxygen and nutrient availability.
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Synthesis and Biological Evaluation of PEGylated MWO 4 Nanoparticles as Sonodynamic AID Inhibitors in Treating Diffuse Large B-Cell Lymphoma. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27217143. [PMID: 36363970 PMCID: PMC9654119 DOI: 10.3390/molecules27217143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 01/25/2023]
Abstract
Sonodynamic therapy (SDT) triggered by ultrasound (US) has attracted increasing attention owing to its ability to overcome critical limitations, including low tissue-penetration depth and phototoxicity in photodynamic therapy (PDT). Biogenic metal oxide nanoparticles (NPs) have been used as anti-cancer drugs due to their biocompatibility properties with most biological systems. Here, sonosensitizer MWO4-PEG NPs (M = Fe Mn Co Ni) were synthesized as inhibitors to activation-induced cytidine deaminase (AID), thus neutralizing the extensive carcinogenesis of AID in diffuse large B-cell lymphoma (DLBCL). The physiological properties of these nanomaterials were examined using transmission electron microscopy (TEM). The inhibition of NPs to AID was primarily identified by the affinity interaction prediction between reactive oxygen species (ROS) and AID through molecular dynamics and molecular docking technology. The cell apoptosis and ROS generation in US-triggered NPs treated DLBCL cells (with high levels of AID) were also detected to indicate the sonosensitivity and toxicity of MWO4-PEG NPs to DLBCL cells. The anti-lymphoma studies using DLBCL and AID-deficient DLBCL cell lines indicated a concentration-dependent profile. The synthesized MWO4-PEG NPs in this study manifested good sonodynamic inhibitory effects to AID and well treatment for AID-positive hematopoietic cancers.
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Pachane BC, Nunes ACC, Cataldi TR, Micocci KC, Moreira BC, Labate CA, Selistre-de-Araujo HS, Altei WF. Small Extracellular Vesicles from Hypoxic Triple-Negative Breast Cancer Cells Induce Oxygen-Dependent Cell Invasion. Int J Mol Sci 2022; 23:ijms232012646. [PMID: 36293503 PMCID: PMC9604480 DOI: 10.3390/ijms232012646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 12/04/2022] Open
Abstract
Hypoxia, a condition of low oxygenation frequently found in triple-negative breast tumors (TNBC), promotes extracellular vesicle (EV) secretion and favors cell invasion, a complex process in which cell morphology is altered, dynamic focal adhesion spots are created, and ECM is remodeled. Here, we investigated the invasive properties triggered by TNBC-derived hypoxic small EV (SEVh) in vitro in cells cultured under hypoxic (1% O2) and normoxic (20% O2) conditions, using phenotypical and proteomic approaches. SEVh characterization demonstrated increased protein abundance and diversity over normoxic SEV (SEVn), with enrichment in pro-invasive pathways. In normoxic cells, SEVh promotes invasive behavior through pro-migratory morphology, invadopodia development, ECM degradation, and matrix metalloprotease (MMP) secretion. The proteome profiling of 20% O2-cultured cells exposed to SEVh determined enrichment in metabolic processes and cell cycles, modulating cell health to escape apoptotic pathways. In hypoxia, SEVh was responsible for proteolytic and catabolic pathway inducement, interfering with integrin availability and gelatinase expression. Overall, our results demonstrate the importance of hypoxic signaling via SEV in tumors for the early establishment of metastasis.
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Affiliation(s)
- Bianca Cruz Pachane
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos—UFSCar, São Carlos 13565-905, SP, Brazil
| | - Ana Carolina Caetano Nunes
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos—UFSCar, São Carlos 13565-905, SP, Brazil
| | - Thais Regiani Cataldi
- Max Feffer Plant Genetics Laboratory, Department of Genetics, University of São Paulo—ESALQ, Piracicaba 13418-900, SP, Brazil
| | - Kelli Cristina Micocci
- Center for the Study of Social Insects, São Paulo State University “Julio de Mesquita Filho”, Rio Claro 14884-900, SP, Brazil
| | - Bianca Caruso Moreira
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos—UFSCar, São Carlos 13565-905, SP, Brazil
| | - Carlos Alberto Labate
- Max Feffer Plant Genetics Laboratory, Department of Genetics, University of São Paulo—ESALQ, Piracicaba 13418-900, SP, Brazil
| | - Heloisa Sobreiro Selistre-de-Araujo
- Biochemistry and Molecular Biology Laboratory, Department of Physiological Sciences, Universidade Federal de São Carlos—UFSCar, São Carlos 13565-905, SP, Brazil
| | - Wanessa Fernanda Altei
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-400, SP, Brazil
- Radiation Oncology Department, Barretos Cancer Hospital, Barretos 14784-400, SP, Brazil
- Correspondence:
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Reimche I, Yu H, Ariantari NP, Liu Z, Merkens K, Rotfuß S, Peter K, Jungwirth U, Bauer N, Kiefer F, Neudörfl JM, Schmalz HG, Proksch P, Teusch N. Phenanthroindolizidine Alkaloids Isolated from Tylophora ovata as Potent Inhibitors of Inflammation, Spheroid Growth, and Invasion of Triple-Negative Breast Cancer. Int J Mol Sci 2022; 23:ijms231810319. [PMID: 36142230 PMCID: PMC9499467 DOI: 10.3390/ijms231810319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
Triple-negative breast cancer (TNBC), representing the most aggressive form of breast cancer with currently no targeted therapy available, is characterized by an inflammatory and hypoxic tumor microenvironment. To date, a broad spectrum of anti-tumor activities has been reported for phenanthroindolizidine alkaloids (PAs), however, their mode of action in TNBC remains elusive. Thus, we investigated six naturally occurring PAs extracted from the plant Tylophora ovata: O-methyltylophorinidine (1) and its five derivatives tylophorinidine (2), tylophoridicine E (3), 2-demethoxytylophorine (4), tylophoridicine D (5), and anhydrodehydrotylophorinidine (6). In comparison to natural (1) and for more-in depth studies, we also utilized a sample of synthetic O-methyltylophorinidine (1s). Our results indicate a remarkably effective blockade of nuclear factor kappa B (NFκB) within 2 h for compounds (1) and (1s) (IC50 = 17.1 ± 2.0 nM and 3.3 ± 0.2 nM) that is different from its effect on cell viability within 24 h (IC50 = 13.6 ± 0.4 nM and 4.2 ± 1 nM). Furthermore, NFκB inhibition data for the additional five analogues indicate a structure–activity relationship (SAR). Mechanistically, NFκB is significantly blocked through the stabilization of its inhibitor protein kappa B alpha (IκBα) under normoxic as well as hypoxic conditions. To better mimic the TNBC microenvironment in vitro, we established a 3D co-culture by combining the human TNBC cell line MDA-MB-231 with primary murine cancer-associated fibroblasts (CAF) and type I collagen. Compound (1) demonstrates superiority against the therapeutic gold standard paclitaxel by diminishing spheroid growth by 40% at 100 nM. The anti-proliferative effect of (1s) is distinct from paclitaxel in that it arrests the cell cycle at the G0/G1 state, thereby mediating a time-dependent delay in cell cycle progression. Furthermore, (1s) inhibited invasion of TNBC monoculture spheroids into a matrigel®-based environment at 10 nM. In conclusion, PAs serve as promising agents with presumably multiple target sites to combat inflammatory and hypoxia-driven cancer, such as TNBC, with a different mode of action than the currently applied chemotherapeutic drugs.
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Affiliation(s)
- Irene Reimche
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Haiqian Yu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Ni Putu Ariantari
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Udayana University, Bali 80361, Indonesia
| | - Zhen Liu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Kay Merkens
- Department of Chemistry, University of Cologne, 50923 Cologne, Germany
| | - Stella Rotfuß
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
| | - Karin Peter
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
| | - Ute Jungwirth
- Department of Life Sciences, Centre for Therapeutic Innovation, University of Bath, Bath BA2 7AY, UK
| | - Nadine Bauer
- European Institute of Molecular Imaging, University of Münster, 48149 Münster, Germany
| | - Friedemann Kiefer
- European Institute of Molecular Imaging, University of Münster, 48149 Münster, Germany
- Max Planck Institute for Molecular Biomedicine, 48149 Münster, Germany
| | | | | | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Nicole Teusch
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
- Correspondence: ; Tel.: +49-211-81-14163
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Drongitis D, Verrillo L, De Marinis P, Orabona P, Caiola A, Turitto G, Alfieri A, Bruscella S, Gentile M, Moriello V, Sannino E, Di Muccio I, Costa V, Miano MG, de Bellis A. The Chromatin-Oxygen Sensor Gene KDM5C Associates with Novel Hypoxia-Related Signatures in Glioblastoma Multiforme. Int J Mol Sci 2022; 23:ijms231810250. [PMID: 36142158 PMCID: PMC9498997 DOI: 10.3390/ijms231810250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/26/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022] Open
Abstract
Glioblastoma multiforme (GBM) is a fatal brain tumor without effective drug treatment. In this study, we highlight, for the first time, the contribution of chromatin remodeling gene Lysine (K)-specific demethylase 5C (KDM5C) in GBM via an extensive analysis of clinical, expression, and functional data, integrated with publicly available omic datasets. The expression analysis on GBM samples (N = 37) revealed two informative subtypes, namely KDM5CHigh and KDM5CLow, displaying higher/lower KDM5C levels compared to the controls. The former subtype displays a strong downregulation of brain-derived neurotrophic factor (BDNF)—a negative KDM5C target—and a robust overexpression of hypoxia-inducible transcription factor-1A (HIF1A) gene, a KDM5C modulator. Additionally, a significant co-expression among the prognostic markers HIF1A, Survivin, and p75 was observed. These results, corroborated by KDM5C overexpression and hypoxia-related functional assays in T98G cells, suggest a role for the HIF1A-KDM5C axis in the hypoxic response in this tumor. Interestingly, fluorescence-guided surgery on GBM sections further revealed higher KDM5C and HIF1A levels in the tumor rim niche compared to the adjacent tumor margin, indicating a regionally restricted hyperactivity of this regulatory axis. Analyzing the TCGA expression and methylation data, we found methylation changes between the subtypes in the genes, accounting for the hypoxia response, stem cell differentiation, and inflammation. High NANOG and IL6 levels highlight a distinctive stem cell-like and proinflammatory signature in the KDM5CHigh subgroup and GBM niches. Taken together, our results indicate HIF1A-KDM5C as a new, relevant cancer axis in GBM, opening a new, interesting field of investigation based on KDM5C as a potential therapeutic target of the hypoxic microenvironment in GBM.
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Affiliation(s)
- Denise Drongitis
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
- Maria Rosaria Maglione Foundation Onlus, 80122 Naples, Italy
| | - Lucia Verrillo
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
| | - Pasqualino De Marinis
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Pasquale Orabona
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Pathology, 81100 Caserta, Italy
| | - Agnese Caiola
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Pathology, 81100 Caserta, Italy
| | - Giacinto Turitto
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Oncology, 81100 Caserta, Italy
| | - Alessandra Alfieri
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Sara Bruscella
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Marisa Gentile
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Vania Moriello
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Ettore Sannino
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Ines Di Muccio
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Valerio Costa
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
| | - Maria Giuseppina Miano
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
- Correspondence: (M.G.M.); (A.d.B.)
| | - Alberto de Bellis
- Maria Rosaria Maglione Foundation Onlus, 80122 Naples, Italy
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
- Correspondence: (M.G.M.); (A.d.B.)
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Li JP, Liu YJ, Zeng SH, Gao HJ, Chen YG, Zou X. Identification of COX4I2 as a hypoxia-associated gene acting through FGF1 to promote EMT and angiogenesis in CRC. Cell Mol Biol Lett 2022; 27:76. [PMID: 36064310 PMCID: PMC9446847 DOI: 10.1186/s11658-022-00380-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
Background Current evidence suggests that the hypoxic tumor microenvironment further aggravates tumor progression, leading to poor therapeutic outcomes. There is as yet no biomarker capable of evaluating the hypoxic state of the tumor. The cytochrome c oxidase (COX) subunit is crucial to the mitochondrial respiratory chain. Methods We investigated the potential oncogenic role of COX subunit 4 isoform 2 gene (COX4I2) in colorectal cancer (CRC) by least absolute shrinkage and selection operator (LASSO) and COX regression analysis to examine whether COX4I2 overexpression can predict colorectal cancer (CRC) prognosis. The association of COX4I2 levels with clinical features and its biological actions were evaluated both in vitro and in vivo. Results Our analysis showed that elevated COX4I2 levels were correlated with poor clinical outcomes. We also observed that that COX4I2 may be involved in epithelial-mesenchymal transition, activation of cancer-related fibroblasts and angiogenesis in relation to fibroblast growth factor 1. Conclusions The COX4I2 level may be a predictor of outcome in CRC and may represent a novel target for treatment development. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s11658-022-00380-2.
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Affiliation(s)
- Jie-Pin Li
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China.,Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, Jiangsu, China.,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China
| | - Yuan-Jie Liu
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, Jiangsu, China.,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China
| | - Shu-Hong Zeng
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, Jiangsu, China.,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China
| | - Hai-Jian Gao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China
| | - Yu-Gen Chen
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, Jiangsu, China.
| | - Xi Zou
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, Jiangsu, China. .,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China. .,Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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43
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Li D, Xu D, Zhang Y, Chen P, Xie J. Effect of Notch1 signaling on cellular proliferation and apoptosis in human laryngeal carcinoma. World J Surg Oncol 2022; 20:262. [PMID: 35982489 PMCID: PMC9389713 DOI: 10.1186/s12957-022-02728-6] [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: 05/29/2022] [Accepted: 08/09/2022] [Indexed: 11/10/2022] Open
Abstract
Background The occurrence and development of malignancies include excessive proliferation and apoptosis resistance in tumor cells. This study aimed to identify the effects of Notch1 signaling on proliferation and apoptosis of laryngeal cancer cells in a hypoxic microenvironment. Methods Notch1 and Ki-67 expression in laryngeal squamous cell carcinoma (LSCC) tissues was detected by immunohistochemistry. The apoptotic index (AI) of LSCC was evaluated by the TUNEL method. Small interfering RNA (siRNA) was used to inhibit Notch1 expression in laryngeal cancer cells. Real-time PCR was used to measure Notch1, Hes1, and Hey1 mRNA expression, and Western blotting was used to measure Notch1 and Notch1 intracellular domain (N1ICD) protein expression. Annexin V-FITC/propidium iodide staining and Cell Counting Kit-8 assays were used to measure cell apoptosis and proliferation, respectively. Results Notch1 expression was significantly related to the proliferation index (PI) and AI in LSCC tissues. Hypoxia could induce proliferation and inhibit apoptosis in cancer cells. Notch1 expression and Notch1 signaling activity could be upregulated by hypoxia. Suppressing Notch1 signaling activity in hypoxic cells could decrease proliferation and increase apoptosis. Conclusions Our study has demonstrated that hypoxia may promote proliferation and inhibit apoptosis of laryngeal cancer cells. Notch1 signaling may play a pivotal role in regulating the proliferation and apoptosis resistance of laryngeal cancer cells under hypoxic conditions.
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Affiliation(s)
- Dawei Li
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine; Shanghai Jiaotong University School of Medicine Ear Institute; Shanghai Key Laboratory of Translational Medicine on Ear and Nose diseases, Shanghai, 200092, China
| | - Dan Xu
- Center for Translational Medicine, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200031, China
| | - Yifei Zhang
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine; Shanghai Jiaotong University School of Medicine Ear Institute; Shanghai Key Laboratory of Translational Medicine on Ear and Nose diseases, Shanghai, 200092, China
| | - Penghui Chen
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine; Shanghai Jiaotong University School of Medicine Ear Institute; Shanghai Key Laboratory of Translational Medicine on Ear and Nose diseases, Shanghai, 200092, China
| | - Jin Xie
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine; Shanghai Jiaotong University School of Medicine Ear Institute; Shanghai Key Laboratory of Translational Medicine on Ear and Nose diseases, Shanghai, 200092, China.
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Elbadawi MM, Eldehna WM, Nocentini A, Somaa WR, Al-Rashood ST, Elkaeed EB, El Hassab MA, Abdel-Aziz HA, Supuran CT, Fares M. Development of 4-((3-oxo-3-phenylpropyl)amino)benzenesulfonamide derivatives utilizing tail/dual-tail approaches as novel carbonic anhydrase inhibitors. Eur J Med Chem 2022; 238:114412. [PMID: 35551035 DOI: 10.1016/j.ejmech.2022.114412] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 04/12/2022] [Accepted: 04/21/2022] [Indexed: 01/09/2023]
Abstract
In the current work, we adopted the tail/dual tail approaches to design and synthesize the benzenesulfonamide derivatives 6a-b, 8, 10a-b, 12a-b, 14, and 16 as new SLC-0111 analogs endowed with carbonic anhydrase (CA) inhibitory activity. All the prepared benzenesulfonamide derivatives were tested for their inhibitory action towards hCA isoforms; hCA I, II, IX, and XII. The results revealed their ability to affect the examined isoforms in variable degrees with KI ranges: 49.3-6459 nM for CA I, 5.1-4171 nM for CA II, 9.4-945.1 nM for CA IX, and 5.2-1159 nM for CA XII. As expected, appending a second hydrophilic tail (ethanolamine) in compound 16 significantly enhanced the inhibitory activities towards hCA IX and hCA XII isoforms by about 5-fold in comparison to its single tail analogue 6c (KI = 51.5 and 28.2 nM for 6cvs. 10.2 and 5.2 nM for 16, respectively). Moreover, SAR analysis pointed out the significance of grafting the sulfamoyl functionality at para-position, as well as the incorporation of a bulky hydrophobic tail for CA inhibitory activity. The most potent hCA IX inhibitors (6f and 16) displayed efficient cell growth inhibitory activity against breast cancer cell lines; T-47D (IC50 = 19 and 10.9 μM, respectively) and MCF-7 (IC50 = 7.5 and 5.7 μM, respectively).
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Affiliation(s)
- Mostafa M Elbadawi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Wagdy M Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; School of Biotechnology, Badr University in Cairo, Badr City, Cairo, 11829, Egypt.
| | - Alessio Nocentini
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Warda R Somaa
- Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Sara T Al-Rashood
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Eslam B Elkaeed
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo, Egypt
| | - Mahmoud A El Hassab
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Egypt
| | - Hatem A Abdel-Aziz
- Department of Applied Organic Chemistry, National Research Center, Dokki, Cairo, 12622, Egypt
| | - Claudiu T Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy.
| | - Mohamed Fares
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, 11829, Egypt; School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
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An analysis of the significance of the Tre2/Bub2/CDC 16 (TBC) domain protein family 8 in colorectal cancer. Sci Rep 2022; 12:13245. [PMID: 35918393 PMCID: PMC9345998 DOI: 10.1038/s41598-022-15629-1] [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: 12/31/2021] [Accepted: 06/27/2022] [Indexed: 11/09/2022] Open
Abstract
The TBC (Tre-2/Bub2/Cdc16, TBC) structural domain is now considered as one of the factors potentially regulating tumor progression. However, to date, studies on the relationship between TBC structural domains and tumors are limited. In this study, we identified the role of TBC1 domain family member 8 (TBC1D8) as an oncogene in colorectal cancer (CRC) by least absolute shrinkage and selection operator (LASSO) and Cox regression analysis, showing that TBC1D8 may independently predict CRC outcome. Functional enrichment and single-cell analysis showed that TBC1D8 levels were associated with hypoxia. TBC1D8 levels were also positively correlated with M2 macrophage infiltration, which may have a complex association with hypoxia. Taken together, these results show that the TBC1D8 gene is involved in colorectal carcinogenesis, and the underlying molecular mechanisms may include hypoxia and immune cell infiltration.
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Chan YY, Chan MC. Pharmacological Activation of the HIF Pathway Exerts Distinct Proliferative Effects in MDA‐MB‐231 and MCF7 cells**. ChemistrySelect 2022. [DOI: 10.1002/slct.202200698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yan Ying Chan
- Department of Molecular Medicine Faculty of Medicine Universiti Malaya 50603 Kuala Lumpur Malaysia
| | - Mun Chiang Chan
- Department of Molecular Medicine Faculty of Medicine Universiti Malaya 50603 Kuala Lumpur Malaysia
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Oh JM, Begum HM, Liu YL, Ren Y, Shen K. Recapitulating Tumor Hypoxia in a Cleanroom-Free, Liquid-Pinning-Based Microfluidic Tumor Model. ACS Biomater Sci Eng 2022; 8:3107-3121. [PMID: 35678715 DOI: 10.1021/acsbiomaterials.2c00207] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In tumors, the metabolic demand of cancer cells often outpaces oxygen supply, resulting in a gradient of tumor hypoxia accompanied with heterogeneous resistance to cancer therapeutics. Models recapitulating tumor hypoxia are therefore essential for developing more effective cancer therapeutics. Existing in vitro models often fail to capture the spatial heterogeneity of tumor hypoxia or involve high-cost, complex fabrication/handling techniques. Here, we designed a highly tunable microfluidic device that induces hypoxia through natural cell metabolism and oxygen diffusion barriers. We adopted a cleanroom-free, micromilling-replica-molding strategy and a microfluidic liquid-pinning approach to streamline the fabrication and tumor model establishment. We also implemented a thin-film oxygen diffusion barrier design, which was optimized through COMSOL simulation, to support both two-dimensional (2-D) and three-dimensional (3-D) hypoxic models. We demonstrated that liquid-pinning enables an easy, injection-based micropatterning of cancer cells of a wide range of parameters, showing the high tunability of our design. Human breast cancer and prostate cancer cells were seeded and stained after 24 h of 2-D and 3-D culture to validate the natural induction of hypoxia. We further demonstrated the feasibility of the parallel microfluidic channel design to evaluate dual therapeutic conditions in the same device. Overall, our new microfluidic tumor model serves as a user-friendly, cost-effective, and highly scalable platform that provides spatiotemporal analysis of the hypoxic tumor microenvironments suitable for high-content biological studies and therapeutic discoveries.
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Affiliation(s)
- Jeong Min Oh
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, United States
| | - Hydari Masuma Begum
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, United States
| | - Yao Lucia Liu
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, United States
| | - Yuwei Ren
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, United States
| | - Keyue Shen
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, United States.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California 90033, United States.,USC Stem Cell, University of Southern California, Los Angeles, California 90033, United States
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Liu L, Chen J, Liu C, Luo Y, Chen J, Fu Y, Xu Y, Wu H, Li X, Wang H. Relationships Between Biological Heavy Metals and Breast Cancer: A Systematic Review and Meta-Analysis. Front Nutr 2022; 9:838762. [PMID: 35782923 PMCID: PMC9245072 DOI: 10.3389/fnut.2022.838762] [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: 12/18/2021] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction Heavy metals were classified as essential, probably essential, and potentially toxic in the general population. Until now, it has been reported inconsistently on the association between heavy metals and BC. In this meta-analysis, we aimed to assess the association between heavy metals and BC and review the potential mechanisms systematically. Methods We searched for epidemiological studies in English about the association between heavy metals and BC published before September 2020 in PubMed, Web of Science, and Embase databases. In total 36 studies, comprising 4,151 individuals from five continents around the world were identified and included. Results In all biological specimens, Cu, Cd, and Pb concentrations were higher, but Zn and Mn concentrations were lower in patients with BC than in non-BC participants [SMD (95% CIs): 0.62 (0.12, 1.12); 1.64 (0.76, 2.52); 2.03 (0.11, 3.95); −1.40 (−1.96, −0.85); −2.26 (−3.39, −1.13); p = 0.01, 0.0003, 0.04, <0.0001, <0.0001]. Specifically, higher plasma or serum Cu and Cd, as well as lower Zn and Mn, were found in cases [SMD (95% CIs): 0.98 (0.36, 1.60); 2.55 (1.16, 3.94); −1.53 (−2.28, −0.78); −2.40 (−3.69, −1.10); p = 0.002, 0.0003, <0.0001, 0.0003]; in hair, only lower Zn was observed [SMD (95% CIs): −2.12 (−3.55, −0.68); p = 0.0004]. Furthermore, the status of trace elements probably needs to be re-explored, particularly in BC. More prospective studies, randomized clinical trials, and specific pathogenic studies are needed to prevent BC. The main mechanisms underlying above-mentioned findings are comprehensively reviewed. Conclusion For BC, this review identified the current knowledge gaps which we currently have in understanding the impact of different heavy metals on BC. Systematic Review Registration www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42020176934, identifier: CRD42020176934.
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Affiliation(s)
- Lin Liu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Chen
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chang Liu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuxuan Luo
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiayun Chen
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanyuan Fu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yajie Xu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haili Wu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Life Science, Shanxi University, Taiyuan, China
| | - Xue Li
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Xue Li
| | - Hui Wang
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Hui Wang
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Rowley MA, Thawanyarat K, Shah JK, Cai L, Turner E, Manrique OJ, Thornton B, Nazerali R. Does Higher Intraoperative Fraction of Inspired Oxygen Improve Complication Rates Following Implant-Based Breast Reconstruction? Aesthet Surg J Open Forum 2022; 4:ojac039. [PMID: 35662907 PMCID: PMC9155143 DOI: 10.1093/asjof/ojac039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background The surgical literature debates about whether an average intraoperative fractional inspired level of oxygen (FiO2) greater than 80% confers lower postsurgical complication rates. Although some evidence demonstrates minimal or no difference in short-term mortality or surgical site infections, few studies suggest negative long-term outcomes. Objectives To the best of our knowledge, this is the first study examining the relationship between intraoperative FiO2 levels and postoperative outcomes in the setting of immediate prepectoral implant-based breast reconstruction. Methods The authors retrospectively reviewed the complication profiles of 309 patients who underwent prepectoral 2-stage breast reconstruction following mastectomy between 2018 and 2021 at a single institution. Two cohorts were created based on whether intraoperative FiO2 was greater than 80% or less than or equal to 80%. Complication rates between the cohorts were analyzed using Chi-squared test, Fisher's exact test, and multivariable logistic regressions. Variables examined included demographic information; smoking history; preexisting comorbidities; history of chemotherapy, radiation, or axillary lymph node dissection; and perioperative information. Results Chi-squared and multivariable regression analysis demonstrated no significant difference between cohorts in complication rates other than reoperation. Reoperation rates were significantly increased in the FiO2 greater than 80% cohort (P = 0.018). Multivariable logistic regression also demonstrated that the use of acellular dermal matrix was significantly associated with increased postoperative complications (odds ratio 11.985; P = 0.034). Conclusions Complication rates did not statistically differ in patients with varying intraoperative FiO2 levels outside of reoperation rates. In the setting of implant-based prepectoral breast reconstruction, hyperoxygenation likely does not lead to improved postsurgical outcomes. Level of Evidence 3
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Affiliation(s)
- Mallory A Rowley
- Upstate Medical University, State University of New York, Syracuse, NY, USA
| | - Kometh Thawanyarat
- AU/UGA Medical Partnership, Medical College of Georgia at Augusta University, Athens, GA, USA
| | - Jennifer K Shah
- Vice Provost for Undergraduate Education, Stanford University, Stanford, CA, USA
| | - Lawrence Cai
- Division of Plastic & Reconstructive Surgery, Stanford University School of Medicine, Palo Alto, CA, USA
| | | | - Oscar J Manrique
- Division of Plastic & Reconstructive Surgery, Strong Memorial Hospital, University of Rochester Medical Center, Rochester, NY, USA
| | | | - Rahim Nazerali
- Corresponding Author:Dr Rahim Nazerali, 770 Welch Road, Suite 400, Palo Alto, CA 94304, USA. E-mail:
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Tang K, Toyozumi T, Murakami K, Sakata H, Kano M, Endo S, Matsumoto Y, Suito H, Takahashi M, Sekino N, Otsuka R, Kinoshita K, Hirasawa S, Hu J, Uesato M, Hayano K, Matsubara H. HIF-1α stimulates the progression of oesophageal squamous cell carcinoma by activating the Wnt/β-catenin signalling pathway. Br J Cancer 2022; 127:474-487. [PMID: 35484214 PMCID: PMC9345968 DOI: 10.1038/s41416-022-01825-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 04/03/2022] [Accepted: 04/07/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND This study aimed to clarify the significance of the crosstalk between hypoxia-inducible factor-1α (HIF-1α) and the Wnt/β-catenin pathway in oesophageal squamous cell carcinoma (ESCC). METHODS The oncogenic role of HIF-1α in ESCC was investigated using in vitro and in vivo assays. The clinicopathological significance of HIF-1α, β-catenin and TCF4/TCF7L2 in ESCC were evaluated using quantitative real-time PCR and immunohistochemistry. RESULTS The expression level of HIF-1α, β-catenin, and TCF4/TCF7L2 in T.Tn and TE1 cell lines were elevated under hypoxia in vitro. HIF-1α knockdown suppressed proliferation, migration/invasion and epithelial-mesenchymal transition (EMT) progression, induced G0/G1 cell cycle arrest, promoted apoptosis and inhibited 5-fluorouracil chemoresistance in vitro. In vivo assays showed that HIF-1α is essential in maintaining tumour growth, angiogenesis, and 5-fluorouracil chemoresistance. Mechanically, we identified the complex between HIF-1α and β-catenin, HIF-1α can directly bind to the promoter region of TCF4/TCF7L2. The mRNA level of HIF-1α, β-catenin and TCF4/TCF7L2 were increased in ESCC tumour tissues compared to the corresponding non-tumour tissues. High levels of HIF-1α and TCF4/TCF7L2 expression were correlated with aggressive phenotypes and poor prognosis in ESCC patients. CONCLUSIONS HIF-1α serves as an oncogenic transcriptional factor in ESCC, probably by directly targeting TCF4/TCF7L2 and activating the Wnt/β-catenin pathway.
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Affiliation(s)
- Kang Tang
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Takeshi Toyozumi
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan.
| | - Kentaro Murakami
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Haruhito Sakata
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Masayuki Kano
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Satoshi Endo
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yasunori Matsumoto
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Hiroshi Suito
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Masahiko Takahashi
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Nobufumi Sekino
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Ryota Otsuka
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kazuya Kinoshita
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Soichiro Hirasawa
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Jie Hu
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Masaya Uesato
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Koichi Hayano
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
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