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Nowak P, Bil-Lula I, Śliwińska-Mossoń M. A Cross-Talk about Radioresistance in Lung Cancer-How to Improve Radiosensitivity According to Chinese Medicine and Medicaments That Commonly Occur in Pharmacies. Int J Mol Sci 2023; 24:11206. [PMID: 37446385 DOI: 10.3390/ijms241311206] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/21/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Lung cancer is one of the most common cancers in the population and is characterized by non-specific symptoms that delay the diagnosis and reduce the effectiveness of oncological treatment. Due to the difficult placement of the tumor, one of the main methods of lung cancer treatment is radiotherapy, which damages the DNA of cancer cells, inducing their apoptosis. However, resistance to ionizing radiation may develop during radiotherapy cycles, leading to an increase in the number of DNA points of control that protect cells from apoptosis. Cancer stem cells are essential for radioresistance, and due to their ability to undergo epithelial-mesenchymal transition, they modify the phenotype, bypassing the genotoxic effect of radiotherapy. It is therefore necessary to search for new methods that could improve the cytotoxic effect of cells through new mechanisms of action. Chinese medicine, with several thousand years of tradition, offers a wide range of possibilities in the search for compounds that could be used in conventional medicine. This review introduces the potential candidates that may present a radiosensitizing effect on lung cancer cells, breaking their radioresistance. Additionally, it includes candidates taken from conventional medicine-drugs commonly available in pharmacies, which may also be significant candidates.
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Affiliation(s)
- Paulina Nowak
- Scientific Club of Specialized Biological Analyzes, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Iwona Bil-Lula
- Department of Medical Laboratory Diagnostics, Division of Clinical Chemistry and Laboratory Hematology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Mariola Śliwińska-Mossoń
- Department of Medical Laboratory Diagnostics, Division of Clinical Chemistry and Laboratory Hematology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
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2
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Huang C, Wang L, Chen H, Fu W, Shao L, Zhou D, Wu J, Ye Y. A positive feedback loop between ID3 and PPARγ via DNA damage repair regulates the efficacy of radiotherapy for rectal cancer. BMC Cancer 2023; 23:429. [PMID: 37170184 PMCID: PMC10176823 DOI: 10.1186/s12885-023-10874-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 04/21/2023] [Indexed: 05/13/2023] Open
Abstract
OBJECTIVE To study the effect of inhibitor of differentiation 3 (ID3) on radiotherapy in patients with rectal cancer and to explore its primary mechanism. METHODS Cell proliferation and clonogenic assays were used to study the relationship between ID3 and radiosensitivity. Co-immunoprecipitation and immunofluorescence were performed to analyze the possible mechanism of ID3 in the radiosensitivity of colorectal cancer. At the same time, a xenograft tumor model of HCT116 cells in nude mice was established to study the effect of irradiation on the tumorigenesis of ID3 knockdown colorectal cancer cells in vivo. Immunohistochemistry was performed to analyze the relationship between ID3 expression and the efficacy of radiotherapy in 46 patients with rectal cancer. RESULTS Proliferation and clonogenic assays revealed that the radiosensitivity of colorectal cancer cells decreased with ID3 depletion through p53-independent pathway. With the decrease in ID3 expression, MDC1 was downregulated. Furthermore, the expression of ID3, MDC1, and γH2AX increased and formed foci after irradiation. ID3 interacted with PPARγ and form a positive feedback loop to enhance the effect of ID3 on the radiosensitivity of colorectal cancer. Irradiation tests in nude mice also confirmed that HCT116 cells with ID3 knockdown were more affected by irradiation. Immunohistochemical study showed that rectal cancer patients with low expression of ID3 had better radiotherapy efficacy. CONCLUSIONS ID3 and PPARγ influence the radiosensitivity of colorectal cancer cells by interacting with MDC1 to form a positive feedback loop that promotes DNA damage repair. Patients with low expression of ID3 who received neoadjuvant chemoradiotherapy can obtain a better curative effect.
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Affiliation(s)
- Chuanzhong Huang
- Laboratory of Immuno-Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350122, China
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, 350014, China
| | - Ling Wang
- Laboratory of Immuno-Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350122, China
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, 350014, China
| | - Huijing Chen
- Laboratory of Immuno-Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350122, China
| | - Wankai Fu
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
| | - Lingdong Shao
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
| | - Dongmei Zhou
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, 350014, China
- Departments of Pathology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
| | - Junxin Wu
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, 350014, China.
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China.
| | - Yunbin Ye
- Laboratory of Immuno-Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China.
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350122, China.
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, 350014, China.
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3
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Jiamei L, Liang Y, Jianhua S. Molecular mechanism of benign biliary stricture inhibition by rosiglitazone-activated peroxisome proliferator-activated receptor gamma. Rev Assoc Med Bras (1992) 2022; 68:1400-1404. [PMID: 36417643 PMCID: PMC9683914 DOI: 10.1590/1806-9282.20220359] [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: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE The aim of this study was to investigate whether rosiglitazone-activated peroxisome proliferator-activated receptor gamma can inhibit the occurrence of benign biliary stricture and further elucidate the relevant molecular signaling mechanism. METHODS The primary cultured rat biliary fibroblasts following experiments were performed using within the fifth generation cells, which were separated from the bile ducts of Sprague-Dawley rats. The primary cultured rat biliary fibroblasts were co-cultured with 10 ng/mL transforming growth factor-beta 1 for stimulating collagen formation. Competent cells were transfected with siRNA that specifically target Smad3 or connective tissue growth factor to inhibit the expression of the corresponding proteins. The cells were incubated with 10 μmol/L rosiglitazone to activate peroxisome proliferator-activated receptor gamma. The cells were incubated with 10 μmol/L GW9662 in the pretreatment session to inactivate peroxisome proliferator-activated receptor gamma. ELISA was used to determine the levels of connective tissue growth factor and type I collagen in the cell supernatant. Western blotting was used to detect the levels of intracellular p-Smad3/t-Smad3. RESULTS Rosiglitazone-activated peroxisome proliferator-activated receptor gamma inhibited the secretion of type I collagen induced by transforming growth factor-beta 1. Peroxisome proliferator-activated receptor gamma inhibitor GW9662 could significantly reverse the rosiglitazone-triggered inhibition of transforming growth factor-beta 1-induced type I collagen secretion by suppressing peroxisome proliferator-activated receptor gamma activation (p<0.01). Furthermore, we also found that the activation of peroxisome proliferator-activated receptor gamma was accompanied by the inhibition of transforming growth factor-beta 1-induced Smad3 phosphorylation (p<0.01), increased connective tissue growth factor expression (p<0.01), and production of type I collagen (p<0.01), all of which effects elicited by rosiglitazone could be reversed by peroxisome proliferator-activated receptor gamma inhibitor GW9662. CONCLUSION Peroxisome proliferator-activated receptor gamma activated by rosiglitazone inhibits the transforming growth factor-beta1 -induced phosphorylation of Smad3 and the increased connective tissue growth factor expression as well as inhibits the secretion of type I collagen in biliary fibroblasts.
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Affiliation(s)
- Lu Jiamei
- Xi'an Jiaotong University, The Second Affiliated Hospital of Medical College, Department of Nephrology – Shaanxi, China
| | - Yu Liang
- Xi'an Jiaotong University, The First Affiliated Hospital of Medical College, Department of Hepatobiliary Surgery – Shaanxi, China
| | - Shi Jianhua
- Xi'an Jiaotong University, The First Affiliated Hospital of Medical College, Department of Hepatobiliary Surgery – Shaanxi, China.,Corresponding author:
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4
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Almoshari Y. Development, Therapeutic Evaluation and Theranostic Applications of Cubosomes on Cancers: An Updated Review. Pharmaceutics 2022; 14:pharmaceutics14030600. [PMID: 35335975 PMCID: PMC8954425 DOI: 10.3390/pharmaceutics14030600] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 12/13/2022] Open
Abstract
Cancer is a group of disorders characterized by aberrant gene function and alterations in gene expression patterns. In 2020, it was anticipated that 19 million new cancer cases would be diagnosed globally, with around 10 million cancer deaths. Late diagnosis and interventions are the leading causes of cancer-related mortality. In addition, the absence of comprehensive cancer therapy adds to the burden. Many lyotropic non-lamellar liquid-crystalline-nanoparticle-mediated formulations have been developed in the last few decades, with promising results in drug delivery, therapeutics, and diagnostics. Cubosomes are nano-structured liquid-crystalline particles made of specific amphiphilic lipids in particular proportions. Their ability to encapsulate lipophilic, hydrophilic, and amphiphilic molecules within their structure makes them one of a kind. They are biocompatible, versatile drug carriers that can deliver medications through various routes of administration. Many preclinical studies on the use of cubosomes in cancer treatment and theranostic applications have been conducted. However, before cubosomes may be employed in clinical practice, significant technical advances must be accomplished. This review summarizes the development of cubosomes and their multifunctional role in cancer treatment based on the most recent reports.
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Affiliation(s)
- Yosif Almoshari
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
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5
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Pan Y, Li J, Lou S, Chen W, Lin Y, Shen N, Li Y. Down-Regulated miR-130a/b Attenuates Rhabdomyosarcoma Proliferation via PPARG. Front Mol Biosci 2022; 8:766887. [PMID: 35187064 PMCID: PMC8854650 DOI: 10.3389/fmolb.2021.766887] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 12/02/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Rhabdomyosarcoma (RMS) is one of the most common types of soft-tissue sarcomas in children, and it exhibits a low 5-years survival rate. The survival outcome has shown no significant improvements in the past 30 years miRNA profiling of RMS might therefore provide a novel insight into uncovering new molecular targets for therapy. Methods: We analyzed miRNA and RNA sequencing data from patients and the TARGET database to reveal the potential miRNA-mRNA axes and validated them in patients’ samples. After the miRNA antagomirs were used to silence the target miRNAs in the cell model, qRT-PCR, western immunoblotting analysis, and proliferation assays were performed to explore the interaction between miR-130a/b and peroxisome proliferator-activated receptor gamma (PPARG) and their effects. Results: In RMS patients, the expression of miR-130a/b was augmented, and its related PPARG gene was suppressed. Bioinformatics analysis showed that miR-130a/b targeted the PPARG gene and inhibited the proliferation of human RMS cell lines. In addition, rosiglitazone maleate activated the expression of PPARG in human RMS cell lines to suppress proliferation. Conclusion: miR-130a/b regulates the malignant process in RMS by targeting PPARG. Furthermore, the PPARG agonist rosiglitazone maleate attenuated the proliferation of RD cells and might therefore be of benefit to RMS patients.
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Affiliation(s)
- Yi Pan
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Junyang Li
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
- Department of Otolaryngology, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Susu Lou
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Wanbiao Chen
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
- Hefei National Laboratory for Physical Sciences at Microscale, The First Affiliated Hospital of USTC, MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, CAS Center for Excellence in Biomacromolecules, and School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Yihang Lin
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
- Department of Otolaryngology, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Nan Shen
- Shanghai Children’s Medical Center, School of Medicine, Pediatric Translational Medicine Institute, Shanghai Jiao Tong University, Shanghai, China
- Department of Infectious Diseases, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Nan Shen, ; Youjin Li,
| | - Youjin Li
- Department of Otolaryngology, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Nan Shen, ; Youjin Li,
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6
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Chi T, Wang M, Wang X, Yang K, Xie F, Liao Z, Wei P. PPAR-γ Modulators as Current and Potential Cancer Treatments. Front Oncol 2021; 11:737776. [PMID: 34631571 PMCID: PMC8495261 DOI: 10.3389/fonc.2021.737776] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/27/2021] [Indexed: 12/12/2022] Open
Abstract
Worldwide, cancer has become one of the leading causes of mortality. Peroxisome Proliferator-Activated Receptors (PPARs) is a family of critical sensors of lipids as well as regulators of diverse metabolic pathways. They are also equipped with the capability to promote eNOS activation, regulate immunity and inflammation response. Aside from the established properties, emerging discoveries are also made in PPAR's functions in the cancer field. All considerations are given, there exists great potential in PPAR modulators which may hold in the management of cancers. In particular, PPAR-γ, the most expressed subtype in adipose tissues with two isoforms of different tissue distribution, has been proven to be able to inhibit cell proliferation, induce cell cycle termination and apoptosis of multiple cancer cells, promote intercellular adhesion, and cripple the inflamed state of tumor microenvironment, both on transcriptional and protein level. However, despite the multi-functionalities, the safety of PPAR-γ modulators is still of clinical concern in terms of dosage, drug interactions, cancer types and stages, etc. This review aims to consolidate the functions of PPAR-γ, the current and potential applications of PPAR-γ modulators, and the challenges in applying PPAR-γ modulators to cancer treatment, in both laboratory and clinical settings. We sincerely hope to provide a comprehensive perspective on the prospect of PPAR-γ applicability in the field of cancer treatment.
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Affiliation(s)
- Tiange Chi
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.,First Clinical Medical School, Beijing University of Chinese Medicine, Beijing, China
| | - Mina Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.,Department of Acupuncture and Moxibustion, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xu Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ke Yang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Feiyu Xie
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.,Oncology Department, Wangjing Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Zehuan Liao
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.,Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
| | - Peng Wei
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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7
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Zhang Y, Wang M, Ji C, Chen Z, Yang H, Wang L, Yu Y, Qiao N, Ma Z, Ye Z, Shao X, Liu W, Wang Y, Gong W, Melnikov V, Hu L, Lee EJ, Ye H, Wang Y, Li Y, He M, Zhao Y, Zhang Z. Treatment of acromegaly by rosiglitazone via upregulating 15-PGDH in both pituitary adenoma and liver. iScience 2021; 24:102983. [PMID: 34485865 PMCID: PMC8403734 DOI: 10.1016/j.isci.2021.102983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/26/2021] [Accepted: 08/11/2021] [Indexed: 01/10/2023] Open
Abstract
Rosiglitazone, a synthetic peroxisome proliferator-activated receptor γ (PPARγ) ligand, has been reported to reduce growth hormone (GH) and insulin-like growth factor-1 (IGF-1) in 10 patients with acromegaly. However, the mechanisms remain unknown. Here, we reveal that PPARγ directly enhances 15-hydroxyprostaglandin dehydrogenase (15-PGDH) expression, whose expression is decreased and negatively correlates with tumor size in acromegaly. Rosiglitazone decreases GH production and promotes apoptosis and autophagy in GH3 and primary somatotroph adenoma cells and suppresses hepatic GH receptor (GHR) expression and IGF-1 secretion in HepG2 cells. Activating the PGE2/cAMP/PKA pathway directly increases GHR expression. Rosiglitazone suppresses tumor growth and decreases GH and IGF-1 levels in mice inoculated subcutaneously with GH3 cells. The above effects are all dependent on 15-PGDH expression. Rosiglitazone as monotherapy effectively decreases GH and IGF-1 levels in all nineteen patients with active acromegaly. Evidence suggests that rosiglitazone may be an alternative pharmacological approach for acromegaly by targeting both pituitary adenomas and liver.
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Affiliation(s)
- Yichao Zhang
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Meng Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Chenxing Ji
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Zhengyuan Chen
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Hui Yang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510000, China
| | - Lei Wang
- Department of Breast Surgery, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, Shanghai 200032, China
| | - Yifei Yu
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Nidan Qiao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Zengyi Ma
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Zhao Ye
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Xiaoqing Shao
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Wenjuan Liu
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Yi Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Wei Gong
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | | | - Lydia Hu
- Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37966, USA
| | - Eun Jig Lee
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Hongying Ye
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Yongfei Wang
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Yiming Li
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Min He
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China.,Shanghai Pituitary Tumor Center, Shanghai 200040, China
| | - Yao Zhao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China.,Shanghai Pituitary Tumor Center, Shanghai 200040, China.,Shanghai Clinical Medical Center of Neurosurgery, Shanghai 200040, China.,Neurosurgical Institute of Fudan University, Shanghai 200040, China.,State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200040, China.,National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China.,Shanghai Key Laboratory of Brain Function Restoration and Neural Regeneration, Shanghai 200040, China
| | - Zhaoyun Zhang
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China.,Shanghai Pituitary Tumor Center, Shanghai 200040, China.,National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
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8
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Kim JT, Napier DL, Kim J, Li C, Lee EY, Weiss HL, Wang Q, Evers BM. Ketogenesis alleviates TNFα-induced apoptosis and inflammatory responses in intestinal cells. Free Radic Biol Med 2021; 172:90-100. [PMID: 34087430 PMCID: PMC8355065 DOI: 10.1016/j.freeradbiomed.2021.05.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/21/2021] [Accepted: 05/22/2021] [Indexed: 12/20/2022]
Abstract
The disturbance of strictly regulated self-regeneration in mammalian intestinal epithelium is associated with various intestinal disorders, particularly inflammatory bowel diseases (IBDs). TNFα, which plays a critical role in the pathogenesis of IBDs, has been reported to inhibit production of ketone bodies such as β-hydroxybutyrate (βHB). However, the role of ketogenesis in the TNFα-mediated pathological process is not entirely known. Here, we showed the regulation and role of HMGCS2, the rate-limiting enzyme of ketogenesis, in TNFα-induced apoptotic and inflammatory responses in intestinal epithelial cells. Treatment with TNFα dose-dependently decreased protein and mRNA expression of HMGCS2 and its product, βHB production in human colon cancer cell lines HT29 and Caco2 cells and mouse small intestinal organoids. Moreover, the repressed level of HMGCS2 protein was found in intestinal epithelium of IBD patients with Crohn's disease and ulcerative colitis as compared with normal tissues. Furthermore, knockdown of HMGCS2 enhanced and in contrast, HMGCS2 overexpression attenuated, the TNFα-induced apoptosis and expression of pro-inflammatory chemokines (CXCL1-3) in HT29, Caco2 cells and DLD1 cells, respectively. Treatment with βHB or rosiglitazone, an agonist of PPARγ, which increases ketogenesis, attenuated TNFα-induced apoptosis in the intestinal epithelial cells. Finally, HMGCS2 knockdown enhanced TNFα-induced reactive oxygen species (ROS) generation. In addition, hydrogen peroxide, the major ROS contributing to intestine injury, decreased HMGCS2 expression and βHB production in the intestinal cells and mouse organoids. Our findings demonstrate that increased ketogenesis attenuates TNFα-induced apoptosis and inflammation in intestinal cells, suggesting a protective role for ketogenesis in TNFα-induced intestinal pathologies.
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Affiliation(s)
- Ji Tae Kim
- Markey Cancer Center, Lexington, KY, 40536, USA
| | | | - Jinhwan Kim
- Markey Cancer Center, Lexington, KY, 40536, USA
| | - Chang Li
- Markey Cancer Center, Lexington, KY, 40536, USA
| | - Eun Y Lee
- Department of Pathology and Laboratory Medicine, Department of Surgery, Lexington, KY, 40536, USA
| | | | - Qingding Wang
- Markey Cancer Center, Lexington, KY, 40536, USA; Department of Surgery, University of Kentucky, Lexington, KY, 40536, USA.
| | - B Mark Evers
- Markey Cancer Center, Lexington, KY, 40536, USA; Department of Surgery, University of Kentucky, Lexington, KY, 40536, USA.
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9
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Differential Effects of Cancer-Associated Mutations Enriched in Helix H3 of PPARγ. Cancers (Basel) 2020; 12:cancers12123580. [PMID: 33266062 PMCID: PMC7761077 DOI: 10.3390/cancers12123580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/20/2020] [Accepted: 11/27/2020] [Indexed: 01/07/2023] Open
Abstract
Peroxisome proliferator-activated receptor gamma (PPARγ) has recently been revealed to regulate tumor microenvironments. In particular, genetic alterations of PPARγ found in various cancers have been reported to play important roles in tumorigenesis by affecting PPARγ transactivation. In this study, we found that helix H3 of the PPARγ ligand-binding domain (LBD) has a number of sites that are mutated in cancers. To uncover underlying molecular mechanisms between helix H3 mutations and tumorigenesis, we performed structure‒function studies on the PPARγ LBDs containing helix H3 mutations found in cancers. Interestingly, PPARγ Q286E found in bladder cancer induces a constitutively active conformation of PPARγ LBD and thus abnormal activation of PPARγ/RXRα pathway, which suggests tumorigenic roles of PPARγ in bladder cancer. In contrast, other helix H3 mutations found in various cancers impair ligand binding essential for transcriptional activity of PPARγ. These data indicate that cancer-associated mutations clustered in helix H3 of PPARγ LBD exhibit differential effects in PPARγ-mediated tumorigenesis and provide a basis for the development of new biomarkers targeting tumor microenvironments.
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10
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Song YC, Lee SE, Jin Y, Park HW, Chun KH, Lee HW. Classifying the Linkage between Adipose Tissue Inflammation and Tumor Growth through Cancer-Associated Adipocytes. Mol Cells 2020; 43:763-773. [PMID: 32759466 PMCID: PMC7528682 DOI: 10.14348/molcells.2020.0118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/16/2020] [Accepted: 06/26/2020] [Indexed: 12/13/2022] Open
Abstract
Recently, tumor microenvironment (TME) and its stromal constituents have provided profound insights into understanding alterations in tumor behavior. After each identification regarding the unique roles of TME compartments, non-malignant stromal cells are found to provide a sufficient tumorigenic niche for cancer cells. Of these TME constituents, adipocytes represent a dynamic population mediating endocrine effects to facilitate the crosstalk between cancer cells and distant organs, as well as the interplay with nearby tumor cells. To date, the prevalence of obesity has emphasized the significance of metabolic homeostasis along with adipose tissue (AT) inflammation, cancer incidence, and multiple pathological disorders. In this review, we summarized distinct characteristics of hypertrophic adipocytes and cancer to highlight the importance of an individual's metabolic health during cancer therapy. As AT undergoes inflammatory alterations inducing tissue remodeling, immune cell infiltration, and vascularization, these features directly influence the TME by favoring tumor progression. A comparison between inflammatory AT and progressing cancer could potentially provide crucial insights into delineating the complex communication network between uncontrolled hyperplastic tumors and their microenvironmental components. In turn, the comparison will unravel the underlying properties of dynamic tumor behavior, advocating possible therapeutic targets within TME constituents.
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Affiliation(s)
- Yae Chan Song
- Department of Biochemistry, College of Life Science and Biotechnology and Yonsei Laboratory Animal Research Center, Yonsei University, Seoul 03722, Korea
- These authors contributed equally to this work
| | - Seung Eon Lee
- Department of Biochemistry, College of Life Science and Biotechnology and Yonsei Laboratory Animal Research Center, Yonsei University, Seoul 03722, Korea
- These authors contributed equally to this work
| | - Young Jin
- Department of Biochemistry and Molecular Biology, Yonsei University College of Medicine, Seoul 037, Korea
| | - Hyun Woo Park
- Department of Biochemistry, College of Life Science and Biotechnology and Yonsei Laboratory Animal Research Center, Yonsei University, Seoul 03722, Korea
| | - Kyung-Hee Chun
- Department of Biochemistry and Molecular Biology, Yonsei University College of Medicine, Seoul 037, Korea
| | - Han-Woong Lee
- Department of Biochemistry, College of Life Science and Biotechnology and Yonsei Laboratory Animal Research Center, Yonsei University, Seoul 03722, Korea
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11
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Abu-Hashem AA, Abu-Zied KM, AbdelSalam Zaki ME, El-Shehry MF, Awad HM, Khedr MA. Design, Synthesis, and Anticancer Potential of the Enzyme (PARP-1) Inhibitor with Computational Studies of New Triazole, Thiazolidinone, - Thieno [2, 3-d] Pyrimidinones. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180817666200117114716] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Background:
Thienopyrimidine, triazole and thiazolidinone derivatives have recently
gained attention due to their effective pharmacological activities. They show antioxidant, antitumor,
antimicrobial, antiviral, anti-inflammatory and analgesic properties.
Objective:
Synthesis of new ethyl 2-amino-4-isopropyl-5-methylthiophene-3-carboxylate (2) was
used as a starting material to produce 2-mercapto-methylthienopyrimidinone (3), (4) and 2-
hydrazinyl-methylthienopyrimidinone (5), through high yields and evaluating anticancer activities.
Method:
A series of novel Schiff's bases (6-9) were produced after treatment of (5) with aldehydes.
Triazolopyrimidinones (6a, 7a, 8a, 9a) were produced from cyclization of benzylidene (6-9) using
Br2 / AcOH or dry pyridine /Ac2O. Thiazolidinones (6b, 7b, 8b, 9b) were synthesized from
benzylidene (6-9) with mercaptoacetic acid.
Results:
All the compounds were synthesized in good yields (55-85%) in a regularly actual system
under mild condition. The new compounds have been established by means of diverse spectroscopic
ways as IR, NMR and MS. The newly synthesized compounds were evaluated for their
antiproliferative activity against the breast MCF-7 carcinoma cell line. Compound (7) showed
promising anticancer activity with IC50 of 6.9 μM, and 40.8% of antioxidant effect as DPPH
inhibition. Molecular docking of (7) showed ΔG values of-20.54 kcal/ mol and -25.60 kcal/ mol.
Molecular dynamics simulation of (7) in complex with PARP-1 revealed RMSD of 3.00 Ǻ.
Conclusion:
The QSAR study confirmed the presence of a relationship between anticancer activity
and subdivided surface area descriptors with coefficient r2 = 0.98 with high predictive power.
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Affiliation(s)
- Ameen Ali Abu-Hashem
- Photochemistry Department (Heterocyclic Unit), National Research Centre, Dokki, Giza 12622, Egypt
| | - Khadiga Mohamed Abu-Zied
- Photochemistry Department (Heterocyclic Unit), National Research Centre, Dokki, Giza 12622, Egypt
| | | | | | - Hanem Mohamed Awad
- Department of Tanning Materials and Leather Technology, National Research Centre, Dokki 12622, Cairo, Egypt
| | - Mohammed Abdou Khedr
- Pharmaceutical Chemistry Departments, Faculty of Pharmacy, Helwan University, Ein Helwan 11790, Cairo, Egypt
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12
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Özverel CS, Uyanikgil Y, Karaboz İ, Nalbantsoy A. Investigation of the combination of anti-PD-L1 mAb with HER2/neu-loaded dendritic cells and QS-21 saponin adjuvant: effect against HER2 positive breast cancer in mice. Immunopharmacol Immunotoxicol 2020; 42:346-357. [PMID: 32515626 DOI: 10.1080/08923973.2020.1775644] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Human epidermal growth factor receptor 2 (HER2) is overexpressed in a subset of cancers including 25% of breast cancers. Since combination therapy consisting of multiple therapeutic approaches is considered a promising regimen, we examined combination treatment modalities in a xenograft model in Balb/c mice injected with 4T1-HER2 cells. We used HER2/neu-loaded bone marrow-derived dendritic cells (BM-DC's) along with anti-PD-L1 monoclonal antibody in a new combination immunotherapy model. METHODS The combination was composed of an active immunotherapy (i.e. BM-DC-based vaccine) designed to boost the immune response against target antigen and was augmented by using anti-PD-L1 mAb to prevent immune evasion by the xenografted tumors. The vaccine combination was further supported using a QS-21 saponin adjuvant and the immune response was evaluated. RESULTS Mice treated with HER2/neu-loaded BM-DCs, combined with QS-21 and anti-PD-L1 mAb had significantly decreased tumor sizes and their splenocytes had enhanced cytotoxic activity, based on the lactate dehydrogenase (LDH) assay, compared to vaccine and adjuvant groups alone. The same vaccination group demonstrated a remarkable increase in IFN-γ secreting CD8+ T-cells analyzed by flow cytometry. ELISA data also revealed a significant increase in the serum anti-HER2 IgG1 response; in addition, there was significant splenocyte proliferation upon stimulation with antigen compared to vaccine and adjuvant groups. Consistently, a significant infiltration of CD4+, CD8+ immune cells in and around the tumors was observed. CONCLUSIONS Our data suggest that the BM-DC + HER2/neu + QS-21 + anti-PD-L1 vaccine combination paradigm synergistically generates anti-tumor activity and immune responses against HER2 overexpressing breast cancer in mice.
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Affiliation(s)
| | - Yiğit Uyanikgil
- Department of Histology and Embryology, Faculty of Medicine, Ege University, İzmir, Turkey
| | - İsmail Karaboz
- Department of Biology, Faculty of Science, Ege University, İzmir, Turkey
| | - Ayse Nalbantsoy
- Department of Bioengineering, Faculty of Engineering, Ege University, İzmir, Turkey
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13
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Molecular pathway analysis associates alterations in obesity-related genes and antipsychotic-induced weight gain. Acta Neuropsychiatr 2020; 32:72-83. [PMID: 31619305 DOI: 10.1017/neu.2019.41] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Antipsychotics often induce excessive weight gain. We hypothesised that individuals with genetic variations related to known obesity-risk genes have an increased risk of excessive antipsychotic-induced weight gain (AIWG). This hypothesis was tested in a subset of the Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) trial data set. METHODS The CATIE trial compared effects and side effects of five different antipsychotics through an 18-month period. Based on the maximum weight gain recorded, excessive weight gain was defined as >7% weight gain. Cytoscape and GeneMANIA were instrumental in composing a molecular pathway from eight selected genes linked to obesity. Genetic information on a total of 495.172 single-nucleotide polymorphisms (SNPs) were available from 765 (556 males) individuals. Enrichment test was conducted through ReactomePA and Bioconductor. A permutation test was performed, testing the generated pathway against 105 permutated pathways (p ≤ 0.05). In addition, a standard genome-wide association study (GWAS) analysis was performed. RESULT GWAS analysis did not detect significant differences related to excessive weight gain. The pathway generated contained 28 genes. A total of 2067 SNPs were significantly expressed (p < 0.01) within this pathway when comparing excessive weight gainers to the rest of the sample. Affected genes including PPARG and PCSK1 were not previously related to treatment-induced weight gain. CONCLUSIONS The molecular pathway composed from high-risk obesity genes was shown to overlap with genetics of patients who gained >7% weight gain during the CATIE trial. This suggests that genes related to obesity compose a pathway of increased risk of excessive AIWG. Further independent analyses are warranted that may confirm or clarify the possible reasoning behind.
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14
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Competitive glucose metabolism as a target to boost bladder cancer immunotherapy. Nat Rev Urol 2020; 17:77-106. [PMID: 31953517 DOI: 10.1038/s41585-019-0263-6] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/25/2019] [Indexed: 12/24/2022]
Abstract
Bladder cancer - the tenth most frequent cancer worldwide - has a heterogeneous natural history and clinical behaviour. The predominant histological subtype, urothelial bladder carcinoma, is characterized by high recurrence rates, progression and both primary and acquired resistance to platinum-based therapy, which impose a considerable economic burden on health-care systems and have substantial effects on the quality of life and the overall outcomes of patients with bladder cancer. The incidence of urothelial tumours is increasing owing to population growth and ageing, so novel therapeutic options are vital. Based on work by The Cancer Genome Atlas project, which has identified targetable vulnerabilities in bladder cancer, immune checkpoint inhibitors (ICIs) have arisen as an effective alternative for managing advanced disease. However, although ICIs have shown durable responses in a subset of patients with bladder cancer, the overall response rate is only ~15-25%, which increases the demand for biomarkers of response and therapeutic strategies that can overcome resistance to ICIs. In ICI non-responders, cancer cells use effective mechanisms to evade immune cell antitumour activity; the overlapping Warburg effect machinery of cancer and immune cells is a putative determinant of the immunosuppressive phenotype in bladder cancer. This energetic interplay between tumour and immune cells leads to metabolic competition in the tumour ecosystem, limiting nutrient availability and leading to microenvironmental acidosis, which hinders immune cell function. Thus, molecular hallmarks of cancer cell metabolism are potential therapeutic targets, not only to eliminate malignant cells but also to boost the efficacy of immunotherapy. In this sense, integrating the targeting of tumour metabolism into immunotherapy design seems a rational approach to improve the therapeutic efficacy of ICIs.
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15
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Zhang F, Liu K, Cao M, Qu J, Zhou D, Pan Z, Duan X, Zhou Y. Rosiglitazone Treatment Prevents Postoperative Fibrosis in a Rabbit Model of Glaucoma Filtration Surgery. Invest Ophthalmol Vis Sci 2019; 60:2743-2752. [PMID: 31247081 DOI: 10.1167/iovs.18-26526] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To evaluate the potential antifibrotic effect of rosiglitazone (RSG), a peroxisome proliferator-activated receptor γ (PPARγ)-selective agonist, on subconjunctival fibrosis in a rabbit model of glaucoma filtration surgery (GFS) in vivo, and to investigate the underlying mechanisms in human Tenon's fibroblasts (HTFs) in vitro. Methods GFS were performed on adult male New Zealand white rabbits with chronic ocular hypertension previously established by injections of 2% methylcellulose into the anterior chamber. Rabbits were treated by RSG, mitomycin C (MMC) or 5-fluorouracil (5-FU) intraoperatively. The morphology of filtering blebs was evaluated by Indiana Bleb Appearance Grading Scale (IBAGS) scoring. Expression of profibrotic genes was determined by quantitative PCR, immunoblot, and/or histochemical analysis. In vitro studies were performed in a transforming growth factor (TGF)-β1-based cell model of fibrosis. Autophagy was evaluated by the formation of autophagosomes and autolysosomes using fluorescent and transmission electron microscopy and by expression of key mediators in the autophagic pathway. Results RSG treatment ameliorated a rebound intraocular pressure (IOP) elevation, prolonged the survival of filtering blebs, and attenuated subconjunctival fibrosis in rabbits following trabeculectomy. Pretreatment of HTFs with RSG inhibited TGF-β1-induced expression of profibrotic genes encoding specificity protein 1, connective tissue growth factor, and α smooth muscle actin. RSG augmented TGF-β1-induced autophagy in HTFs via a beclin1/VPS34-dependent mechanism. Augmentation of autophagy is associated with inhibition of TGF-β1-induced profibrotic gene expression by RSG. Conclusions RSG treatment prevents subconjunctival fibrosis after GFS by inhibition of profibrotic gene expression through a mechanism involved in promoting autophagy in local fibroblasts. RSG represents a novel antifibrotic drug with the potential to improve the success rate of GFS.
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Affiliation(s)
- Feng Zhang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China.,Departments of Medicine, Ophthalmology, and Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, United States
| | - Ke Liu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Mengdan Cao
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Jing Qu
- Departments of Medicine, Ophthalmology, and Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, United States
| | - Dengming Zhou
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Zheng Pan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xuanchu Duan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China.,Aier School of Ophthalmology, Central South University, Changsha, Hunan, China.,Changsha Aier Eye Hospital, Changsha, Hunan, China
| | - Yong Zhou
- Departments of Medicine, Ophthalmology, and Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, United States
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16
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Kim JT, Li C, Weiss HL, Zhou Y, Liu C, Wang Q, Evers BM. Regulation of Ketogenic Enzyme HMGCS2 by Wnt/β-catenin/PPARγ Pathway in Intestinal Cells. Cells 2019; 8:cells8091106. [PMID: 31546785 PMCID: PMC6770209 DOI: 10.3390/cells8091106] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/10/2019] [Accepted: 09/17/2019] [Indexed: 12/15/2022] Open
Abstract
The Wnt/β-catenin pathway plays a crucial role in development and renewal of the intestinal epithelium. Mitochondrial 3-hydroxy-3-methylglutaryl-CoA synthase 2 (HMGCS2), a rate-limiting ketogenic enzyme in the synthesis of ketone body β-hydroxybutyrate (βHB), contributes to the regulation of intestinal cell differentiation. Here, we have shown that HMGCS2 is a novel target of Wnt/β-catenin/PPARγ signaling in intestinal epithelial cancer cell lines and normal intestinal organoids. Inhibition of the Wnt/β-catenin pathway resulted in increased protein and mRNA expression of HMGCS2 and βHB production in human colon cancer cell lines LS174T and Caco2. In addition, Wnt inhibition increased expression of PPARγ and its target genes, FABP2 and PLIN2, in these cells. Conversely, activation of Wnt/β-catenin signaling decreased protein and mRNA levels of HMGCS2, βHB production, and expression of PPARγ and its target genes in LS174T and Caco2 cells and mouse intestinal organoids. Moreover, inhibition of PPARγ reduced HMGCS2 expression and βHB production, while activation of PPARγ increased HMGCS2 expression and βHB synthesis. Furthermore, PPARγ bound the promoter of HMGCS2 and this binding was enhanced by β-catenin knockdown. Finally, we showed that HMGCS2 inhibited, while Wnt/β-catenin stimulated, glycolysis, which contributed to regulation of intestinal cell differentiation. Our results identified HMGCS2 as a downstream target of Wnt/β-catenin/PPARγ signaling in intestinal epithelial cells. Moreover, our findings suggest that Wnt/β-catenin/PPARγ signaling regulates intestinal cell differentiation, at least in part, through regulation of ketogenesis.
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Affiliation(s)
- Ji Tae Kim
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
| | - Chang Li
- Department of Surgery, University of Kentucky, Lexington, KY 40536 USA.
| | - Heidi L Weiss
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
| | - Yuning Zhou
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
| | - Chunming Liu
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536-0509, USA.
| | - Qingding Wang
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
- Department of Surgery, University of Kentucky, Lexington, KY 40536 USA.
| | - B Mark Evers
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536 USA.
- Department of Surgery, University of Kentucky, Lexington, KY 40536 USA.
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