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Ma X, Li M, Wang X, Qi G, Wei L, Zhang D. Sialylation in the gut: From mucosal protection to disease pathogenesis. Carbohydr Polym 2024; 343:122471. [PMID: 39174097 DOI: 10.1016/j.carbpol.2024.122471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/19/2024] [Accepted: 07/07/2024] [Indexed: 08/24/2024]
Abstract
Sialylation, a crucial post-translational modification of glycoconjugates, entails the attachment of sialic acid (SA) to the terminal glycans of glycoproteins and glycolipids through a tightly regulated enzymatic process involving various enzymes. This review offers a comprehensive exploration of sialylation within the gut, encompassing its involvement in mucosal protection and its impact on disease progression. The sialylation of mucins and epithelial glycoproteins contributes to the integrity of the intestinal mucosal barrier. Furthermore, sialylation regulates immune responses in the gut, shaping interactions among immune cells, as well as their activation and tolerance. Additionally, the gut microbiota and gut-brain axis communication are involved in the role of sialylation in intestinal health. Altered sialylation patterns have been implicated in various intestinal diseases, including inflammatory bowel disease (IBD), colorectal cancer (CRC), and other intestinal disorders. Emerging research underscores sialylation as a promising avenue for diagnostic, prognostic, and therapeutic interventions in intestinal diseases. Potential strategies such as sialic acid supplementation, inhibition of sialidases, immunotherapy targeting sialylated antigens, and modulation of sialyltransferases have been utilized in the treatment of intestinal diseases. Future research directions will focus on elucidating the molecular mechanisms underlying sialylation alterations, identifying sialylation-based biomarkers, and developing targeted interventions for precision medicine approaches.
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Affiliation(s)
- Xueni Ma
- Key Laboratory of Digestive Diseases, Lanzhou University Second Hospital, Lanzhou, China; The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Muyang Li
- Key Laboratory of Digestive Diseases, Lanzhou University Second Hospital, Lanzhou, China; The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Xiaochun Wang
- Department of Gastroenterology, Gansu Provincial Hospital, Lanzhou, China
| | - Guoqing Qi
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
| | - Lina Wei
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
| | - Dekui Zhang
- Key Laboratory of Digestive Diseases, Lanzhou University Second Hospital, Lanzhou, China; Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China.
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Lee W, Song G, Bae H. Glucotropaeolin Promotes Apoptosis by Calcium Dysregulation and Attenuates Cell Migration with FOXM1 Suppression in Pancreatic Cancer Cells. Antioxidants (Basel) 2023; 12:antiox12020257. [PMID: 36829815 PMCID: PMC9952507 DOI: 10.3390/antiox12020257] [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: 12/26/2022] [Revised: 01/17/2023] [Accepted: 01/21/2023] [Indexed: 01/25/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) has naturally aggressive characteristics including postoperative recurrence, resistance to conventional treatment, and metastasis. Surgical resection with chemotherapeutic agents has been conducted as the major treatment for PDAC. However, surgical treatment is ineffective in the case of advanced cancer, and conventional adjuvant chemotherapy, including gemcitabine and 5-fluorouracil, show low effectiveness due to the high drug resistance of PDAC to this type of treatment. Therefore, the development of innovative therapeutic drugs is crucial to solving the present limitation of conventional drugs. Glucotropaeolin (GT) is a glucosinolate that can be isolated from the Brassicaceae family. GT has exhibited a growth-inhibitory effect against liver and colon cancer cells; however, there is no study regarding the anticancer effect of GT on PDAC. In our study, we determined the antiproliferative effect of GT in PANC-1 and MIA PaCa-2, representative of PDAC. We revealed the intracellular mechanisms underlying the anticancer effect of GT with respect to cell viability, reactive oxygen species (ROS) accumulation, alteration of mitochondrial membrane potential (MMP), calcium dysregulation, cell migration, and the induction of apoptosis. Moreover, GT regulated the signaling pathways related to anticancer in PDAC cells. Finally, the silencing of the forkhead box protein M, a key factor regulating PDAC progression, contributes to the anticancer property of GT in terms of the induction of apoptosis and cell migration. Therefore, GT may be a potential therapeutic drug against PDAC.
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Affiliation(s)
- Woonghee Lee
- Institute of Animal Molecular Biotechnology, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
- Correspondence: (G.S.); (H.B.); Tel.: +82-2-3290-3881 (G.S.); +82-31-201-2686 (H.B.)
| | - Hyocheol Bae
- Department of Oriental Medicinal Biotechnology, College of Life Sciences, Kyung Hee University, Yongin 17104, Republic of Korea
- Correspondence: (G.S.); (H.B.); Tel.: +82-2-3290-3881 (G.S.); +82-31-201-2686 (H.B.)
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Tian Y, Sun H, Bao Y, Feng H, Pang J, En R, Jiang H, Wang T. ERp44 Regulates the Proliferation, Migration, Invasion, and Apoptosis of Gastric Cancer Cells Via Activation of ER Stress. Biochem Genet 2022; 61:809-822. [PMID: 36178559 DOI: 10.1007/s10528-022-10281-w] [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: 11/24/2021] [Accepted: 09/01/2022] [Indexed: 11/24/2022]
Abstract
Gastric cancer (GC) is one of the most prevalent malignancies worldwide. Endoplasmic reticulum (ER) stress plays a key role in the progression of GC. Rapid proliferation of tumor cells interferes with ER homeostasis, leading to ER stress and triggering unfolded protein response. Therefore, it is very necessary to investigate abnormally expressed ER resident proteins (ERp) in cancer cells. This study aimed to investigate the possible roles of ERp44. The mRNA and protein expression of genes were detected using qRT-PCR and western blot. Cell apoptosis was calculated using flow cytometry. Cell proliferation was determined using CCK-8 and colony formation assay. Cell migration was detected by wound healing, and cell invasion was measured by transwell assay. We found that ERp44 was obviously decreased in GC tissues. Furthermore, ERp44 overexpression distinctly suppressed the proliferation, migration, and invasion of MGC-803 and KATO III cells. In contrast, apoptosis was promoted by ERp44 overexpression. Furthermore, mechanistic studies revealed that overexpression of ERp44 inhibited malignant biological processes by regulating the eIF-2α/CHOP signaling pathway. Taken together, our data demonstrated that ERp44 regulated the proliferation, migration, invasion, and apoptosis via ERp44/eIF-2α/CHOP axis in GC. Targeting the ERp44and ER stress may be a promising strategy for GC.
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Affiliation(s)
- Yongjing Tian
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Haibin Sun
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Yinshengboer Bao
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Haiping Feng
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Jian Pang
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Riletu En
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Hongliang Jiang
- Department of Gastrointestinal Surgery, Inner Mongolia Bayannur Hospital, Inner Mongolia, 015000, China
| | - Tengqi Wang
- Department of Cancer Center, Inner Mongolia Bayannur Hospital, No. 98, Ulan Buhe Road, Bayan Nur, Inner Mongolia, 015000, China.
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Laminarin Attenuates ROS-Mediated Cell Migration and Invasiveness through Mitochondrial Dysfunction in Pancreatic Cancer Cells. Antioxidants (Basel) 2022; 11:antiox11091714. [PMID: 36139787 PMCID: PMC9495390 DOI: 10.3390/antiox11091714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 12/26/2022] Open
Abstract
Background: Pancreatic ductal adenocarcinoma (PDAC) is a notoriously aggressive type of cancer with a high metastasis rate. It is conventionally treated by surgical resection and neoadjuvant chemotherapy. However, continuous chemotherapy leads to relapse in most PDAC patients due to chemical resistance. Therefore, novel anticancer agents need to be identified and developed. The antitumor activities of laminarin extracted from brown algae against hepatocarcinoma, lung, and colon cancer have been established. However, its effects on pancreatic cancer have remained obscure. Purpose: Our study identified the anticancer effects of laminarin on pancreatic cancer cells and tried to explain its intracellular mechanisms. Methods: We assessed the cell viability of PANC-1 and MIA PaCa-2 cells using MTT assay. Hanging drop method was used for the spheroid formation. Flow cytometry was conducted to evaluate the several intracellular alterations including apoptosis, ROS production, mitochondrial membrane potential (MMP), and calcium concentration induced by laminarin. An invasion test was performed to assess the inhibitory effect of laminarin on cell migration and the invasive genes were evaluated by RT-qPCR. Signaling pathway related with anticancer effects of laminarin was analyzed by western blot. Results: We report that inhibiting laminarin increased the proliferation and viability of the representative pancreatic cancer cell lines, MIA PaCa-2 and PANC-1. Laminarin triggered apoptosis and mitochondrial impairment as evidenced by depolarized mitochondrial membranes, disrupted calcium, and suppressed cell migration caused by reactive oxygen species production and related intracellular signaling pathways. Moreover, laminarin showed synergistic effects when combined with 5-FU, a standard anticancer agent for PDAC. Conclusion: The present study is the first to report that laminarin exerts anticancer effect through ROS production in pancreatic cancer cells. Laminarin shows potential to serve as a new anticancer agent for treating PDAC.
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Proteomic signatures of myeloid derived suppressor cells from liver and lung metastases reveal functional divergence and potential therapeutic targets. Cell Death Discov 2021; 7:232. [PMID: 34482371 PMCID: PMC8418613 DOI: 10.1038/s41420-021-00621-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/09/2021] [Accepted: 08/19/2021] [Indexed: 12/13/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) promote immunosuppressive activities in the tumor microenvironment (TME), resulting in increased tumor burden and diminishing the anti-tumor response of immunotherapies. While primary and metastatic tumors are typically the focal points of therapeutic development, the immune cells of the TME are differentially programmed by the tissue of the metastatic site. In particular, MDSCs are programmed uniquely within different organs in the context of tumor progression. Given that MDSC plasticity is shaped by the surrounding environment, the proteomes of MDSCs from different metastatic sites are hypothesized to be unique. A bottom-up proteomics approach using sequential window acquisition of all theoretical mass spectra (SWATH-MS) was used to quantify the proteome of CD11b+ cells derived from murine liver metastases (LM) and lung metastases (LuM). A comparative proteomics workflow was employed to compare MDSC proteins from LuM (LuM-MDSC) and LM (LM-MDSC) while also elucidating common signaling pathways, protein function, and possible drug-protein interactions. SWATH-MS identified 2516 proteins from 200 µg of sample. Of the 2516 proteins, 2367 have matching transcriptomic data. Upregulated proteins from lung and liver-derived murine CD11b+ cells with matching mRNA transcriptomic data were categorized based on target knowledge and level of drug development. Comparative proteomic analysis demonstrates that liver and lung tumor-derived MDSCs have distinct proteomes that may be subject to pharmacologic manipulation.
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Bettaieb L, Brulé M, Chomy A, Diedro M, Fruit M, Happernegg E, Heni L, Horochowska A, Housseini M, Klouyovo K, Laratte A, Leroy A, Lewandowski P, Louvieaux J, Moitié A, Tellier R, Titah S, Vanauberg D, Woesteland F, Prevarskaya N, Lehen’kyi V. Ca 2+ Signaling and Its Potential Targeting in Pancreatic Ductal Carcinoma. Cancers (Basel) 2021; 13:3085. [PMID: 34205590 PMCID: PMC8235326 DOI: 10.3390/cancers13123085] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/02/2021] [Accepted: 06/13/2021] [Indexed: 01/05/2023] Open
Abstract
Pancreatic cancer (PC) is a major cause of cancer-associated mortality in Western countries (and estimated to be the second cause of cancer deaths by 2030). The main form of PC is pancreatic adenocarcinoma, which is the fourth most common cause of cancer-related death, and this situation has remained virtually unchanged for several decades. Pancreatic ductal adenocarcinoma (PDAC) is inherently linked to the unique physiology and microenvironment of the exocrine pancreas, such as pH, mechanical stress, and hypoxia. Of them, calcium (Ca2+) signals, being pivotal molecular devices in sensing and integrating signals from the microenvironment, are emerging to be particularly relevant in cancer. Mutations or aberrant expression of key proteins that control Ca2+ levels can cause deregulation of Ca2+-dependent effectors that control signaling pathways determining the cells' behavior in a way that promotes pathophysiological cancer hallmarks, such as enhanced proliferation, survival and invasion. So far, it is essentially unknown how the cancer-associated Ca2+ signaling is regulated within the characteristic landscape of PDAC. This work provides a complete overview of the Ca2+ signaling and its main players in PDAC. Special consideration is given to the Ca2+ signaling as a potential target in PDAC treatment and its role in drug resistance.
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Affiliation(s)
- Louay Bettaieb
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Maxime Brulé
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Axel Chomy
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Mel Diedro
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Malory Fruit
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Eloise Happernegg
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Leila Heni
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Anaïs Horochowska
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Mahya Housseini
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Kekely Klouyovo
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Agathe Laratte
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Alice Leroy
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Paul Lewandowski
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Joséphine Louvieaux
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Amélie Moitié
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Rémi Tellier
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Sofia Titah
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Dimitri Vanauberg
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Flavie Woesteland
- Option Biology, Master Biology-Health, Faculty of Medicine Henry Warembourg, University of Lille, 59120 Loos, France; (L.B.); (M.B.); (A.C.); (M.D.); (M.F.); (E.H.); (L.H.); (A.H.); (M.H.); (K.K.); (A.L.); (A.L.); (P.L.); (J.L.); (A.M.); (R.T.); (S.T.); (D.V.); (F.W.)
| | - Natalia Prevarskaya
- Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Department of Biology, Faculty of Science and Technologies, University of Lille, 59650 Villeneuve d’Ascq, France;
- University Lille, Inserm, U1003-PHYCEL-Physiologie Cellulaire, F-59000 Lille, France
| | - V’yacheslav Lehen’kyi
- Laboratory of Cell Physiology, INSERM U1003, Laboratory of Excellence Ion Channels Science and Therapeutics, Department of Biology, Faculty of Science and Technologies, University of Lille, 59650 Villeneuve d’Ascq, France;
- University Lille, Inserm, U1003-PHYCEL-Physiologie Cellulaire, F-59000 Lille, France
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Aniqa A, Kaur S, Sadwal S. A Review of the Anti-Cancer Potential of Murraya koenigii (Curry Tree) and Its Active Constituents. Nutr Cancer 2021; 74:12-26. [PMID: 33587002 DOI: 10.1080/01635581.2021.1882509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Murraya koenigii (MK) relates to the Rutaceae family and has many health benefits. To date, over eighty-eight carbazole alkaloids along with terpenoids, and other nutrients have been identified from different parts of this plant. This review presents accumulated information regarding the role of MK and its constituents in the prevention/treatment of cancer. Literature survey revealed that MK and its constituents target multiple deranged pathways associated with apoptosis, growth (JAK-STAT, mTOR), and cell cycle in a variety of cancerous cell lines (colon, lung, liver, skin, prostate, breast, etc.) and few animal models. Thus, the present review highlights the anticancer mechanism of MK and its phytoconstituents, and further future perspectives. The ameliorating effects of MK and its phytoconstituents against various cancers warrant its multi-institutional clinical trials as soon as possible. The prospects of relatively cheaper cancer drugs could then be brighter, particularly for the socio-economically feebler cancer patients of the world.
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Affiliation(s)
- Aniqa Aniqa
- Department of Biophysics, Panjab University, Chandigarh, India
| | | | - Shilpa Sadwal
- Department of Biophysics, Panjab University, Chandigarh, India
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8
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Sulfated glycolipid PG545 induces endoplasmic reticulum stress and augments autophagic flux by enhancing anticancer chemotherapy efficacy in endometrial cancer. Biochem Pharmacol 2020; 178:114003. [PMID: 32360360 DOI: 10.1016/j.bcp.2020.114003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/24/2020] [Indexed: 12/31/2022]
Abstract
The sulfated glycolipid PG545 shows promising antitumor activity in various cancers. This study was conducted to explore the effects and the mechanism of PG545 action in endometrial cancer (EC). PG545 exhibited strong synergy as assessed by the Chou-Talalay-Method in vitro when combined with cisplatin, or paclitaxel in both type I (Hec1B) and type II (ARK2) EC cell lines. While PG545 showed antitumor activity as monotherapy, a combination of PG545 with paclitaxel and cisplatin was highly effective in reducing the tumor burden and significantly prolonged survival of both Hec1B and ARK2 xenograft bearing mice. Mechanistically, PG545 elicits ER stress as an early response with resultant induction of autophagy. Our data demonstrated an increase in pERK, Bip/Grp78, IRE1α, Calnexin and CHOP/GADD153 within 6-24 hrs of PG545 treatment in EC cells. In parallel, PG545 also blocked FGF2 and HB-EGF mediated signaling in EC cells. Moreover, melatonin-mediated ER stress inhibition reduced PG545-mediated autophagy and PG545 in combination with cisplatin further heightened this stress response. Collectively these data indicate that PG545 exhibits strong synergistic effects with chemotherapeutics in vitro and showed promising antitumor activity in vivo. Our preclinical data indicates that in future studies PG545 can be a useful adjunct to chemotherapy in endometrial cancer.
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Sarkar Bhattacharya S, Thirusangu P, Jin L, Roy D, Jung D, Xiao Y, Staub J, Roy B, Molina JR, Shridhar V. PFKFB3 inhibition reprograms malignant pleural mesothelioma to nutrient stress-induced macropinocytosis and ER stress as independent binary adaptive responses. Cell Death Dis 2019; 10:725. [PMID: 31562297 PMCID: PMC6764980 DOI: 10.1038/s41419-019-1916-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 07/29/2019] [Accepted: 08/09/2019] [Indexed: 12/14/2022]
Abstract
The metabolic signatures of cancer cells are often associated with elevated glycolysis. Pharmacological (PFK158 treatment) and genetic inhibition of 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3), a critical control point in the glycolytic pathway, decreases glucose uptake, ATP production, and lactate dehydrogenase activity and arrests malignant pleural mesothelioma (MPM) cells in the G0/G1 phase to induce cell death. To overcome this nutrient stress, inhibition of PFKFB3 activity led to an escalation in endoplasmic reticulum (ER) activity and aggravated ER stress mostly by upregulating BiP and GADD153 expression and activation of the endocytic Rac1-Rab5-Rab7 pathway resulting in a unique form of cell death called “methuosis” in both the sarcomatoid (H28) and epithelioid (EMMeso) cells. Transmission electron microscopy (TEM) analysis showed the formation of nascent macropinocytotic vesicles, which rapidly coalesced to form large vacuoles with compromised lysosomal function. Both immunofluorescence microscopy and co-immunoprecipitation analyses revealed that upon PFKFB3 inhibition, two crucial biomolecules of each pathway, Rac1 and Calnexin interact with each other. Finally, PFK158 alone and in combination with carboplatin-inhibited tumorigenesis of EMMeso xenografts in vivo. Since most cancer cells exhibit an increased glycolytic rate, these results provide evidence for PFK158, in combination with standard chemotherapy, may have a potential in the treatment of MPM.
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Affiliation(s)
- Sayantani Sarkar Bhattacharya
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Medical Oncology, Mayo Clinic, Rochester, MN, USA
| | - Prabhu Thirusangu
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ling Jin
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Debarshi Roy
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Deokbeom Jung
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Yinan Xiao
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Julie Staub
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Bhaskar Roy
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Julian R Molina
- Department of Medical Oncology, Mayo Clinic, Rochester, MN, USA.
| | - Viji Shridhar
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA.
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10
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Li F, Yang Z, Stone C, Ding JY, Previch L, Shen J, Ji Y, Geng X, Ding Y. Phenothiazines Enhance the Hypothermic Preservation of Liver Grafts: A Pilot in Vitro Study. Cell Transplant 2019; 28:318-327. [PMID: 30666889 PMCID: PMC6425111 DOI: 10.1177/0963689718824559] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In vitro liver conservation is an issue of ongoing critical importance in graft transplantation. In this study, we investigated the possibility of augmenting the standard pre-transplant liver conservation protocol (University of Wisconsin (UW) cold solution) with the phenothiazines chlorpromazine and promethazine. Livers from male Sprague-Dawley rats were preserved either in UW solution alone, or in UW solution plus either 2.4, 3.6, or 4.8 mg chlorpromazine and promethazine (C+P, 1:1). The extent of liver injury following preservation was determined by alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities, the ratio of AST/ALT, morphological changes as assessed by hematoxylin-eosin staining, apoptotic cell death as determined by ELISA, and by expression of the apoptotic regulatory proteins BAX and Bcl-2. Levels of glucose (GLU) and lactate dehydrogenase (LDH) in the preservation liquid were determined at 3, 12, and 24 h after incubation to assess glucose metabolism. Oxidative stress was assessed by levels of superoxide dismutase (SOD), reactive oxygen species (ROS), and malondialdehyde (MDA), and inflammatory cytokine expression was evaluated with Western blotting. C+P augmentation induced significant reductions in ALT and AST activities; the AST/ALT ratio; as well as in cellular swelling, vacuolar degeneration, apoptosis, and BAX expression. These changes were associated with lowered levels of GLU and LDH; decreased expression of SOD, MDA, ROS, TNF-α, and IL-1β; and increased expression of Bcl-2. We conclude that C+P augments hypothermic preservation of liver tissue by protecting hepatocytes from ischemia-induced oxidative stress and metabolic dysfunction. This result provides a basis for improvement of the current preservation strategy, and thus for the development of a more effective graft conservation method.
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Affiliation(s)
- Fengwu Li
- 1 China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Zhiying Yang
- 2 Department of Hepatobiliary Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Christopher Stone
- 3 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Jamie Y Ding
- 3 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Lauren Previch
- 3 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Jiamei Shen
- 1 China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,3 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Yu Ji
- 4 Department of General Surgery, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Xiaokun Geng
- 1 China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Yuchuan Ding
- 3 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
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11
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Satyavarapu EM, Das R, Mandal C, Mukhopadhyay A, Mandal C. Autophagy-independent induction of LC3B through oxidative stress reveals its non-canonical role in anoikis of ovarian cancer cells. Cell Death Dis 2018; 9:934. [PMID: 30224639 PMCID: PMC6141567 DOI: 10.1038/s41419-018-0989-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 08/18/2018] [Accepted: 08/23/2018] [Indexed: 01/04/2023]
Abstract
Cancer cells display abnormal redox metabolism. Autophagy, anoikis and reactive oxygen species (ROS) play a regulatory role during metastasis. LC3 is a well-known essential molecule for autophagy. Therefore, we wanted to explore the molecular interplay between autophagy, anoikis, and ROS in relation to LC3B. We observed enhanced LC3B level along with increased expression of p62 and modulation of other autophagy-related molecules (Atg 3, 5, 7, 12, 16L1 and Beclin1) by inducing oxidative-stress in ovarian cancer cells using a ROS-producing pro-oxidant molecule. Surprisingly, enhanced LC3B was unable to induce autophagosome formation rather promoted anoikis. ROS-induced inhibition of autophagosome-formation is possibly due to the instability of autophagy initiator, ULK1 complex. Moreover, such upregulation of LC3B via ROS enhanced several apoptotic molecules. Silencing LC3B reduced these apoptotic molecules and increased when overexpressed, suggesting its role in apoptosis. Furthermore, LC3B-dependent apoptosis was decreased by inhibiting ROS, indicating a possible link between ROS, LC3B, and apoptosis. Additionally, ROS-induced enhanced LC3B promoted detachment-induced cell death (anoikis). This was further reflected by reduced cell adhesion molecules (integrin-β3 and focal adhesion kinase) and mesenchymal markers (snail and slug). Our in vitro experimental data was further confirmed in primary tumors developed in syngeneic mice, which also showed ROS-mediated LC3B enhancement along with reduced autophagosomes, integrin-β3 and focal adhesion kinase ultimately leading to the decreased tumor mass. Additionally, primary cells from high-grade serous carcinoma patient's ascites exhibited LC3B enhancement and autophagy inhibition through ROS which provided a clinical relevance of our study. Taken together, this is the first evidence for a non-canonical role of LC3B in promoting anoikis in contrast to autophagy and may, therefore, consider as a potential therapeutic target molecule in ovarian cancer. Taken together, autophagy-inhibition may be an alternative approach to induce apoptosis/anoikis in cancer.
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Affiliation(s)
- Eswara Murali Satyavarapu
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research-Indian Institute of Chemical Biology, 4, Raja S.C. Mallick Road, Kolkata, 700032, India
| | - Ranjita Das
- Bose Institute, P 1/12, C. I. T. Road, Scheme - VIIM, Kolkata, 700054, India
| | - Chandan Mandal
- Tata Medical Center, 14 MAR, Rajarhat, Kolkata, 700156, India
| | - Asima Mukhopadhyay
- Tata Medical Center, 14 MAR, Rajarhat, Kolkata, 700156, India
- Northern Institute for Cancer Research, Newcastle University, Newcastle, UK
| | - Chitra Mandal
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research-Indian Institute of Chemical Biology, 4, Raja S.C. Mallick Road, Kolkata, 700032, India.
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