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Sagathia V, Patel C, Beladiya J, Patel S, Sheth D, Shah G. Tankyrase: a promising therapeutic target with pleiotropic action. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3363-3374. [PMID: 37338576 DOI: 10.1007/s00210-023-02576-5] [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: 03/07/2023] [Accepted: 06/13/2023] [Indexed: 06/21/2023]
Abstract
Tankyrase 1 (TNKS1) and tankyrase 2 (TNKS2) enzymes belong to the poly (ADP-ribose) polymerase (PARP) family participates in process of poly-ADP-ribosylation of different target proteins which leads to ubiquitin-mediated proteasomal degradation. Tankyrases are also involved in the pathophysiology of many diseases, especially cancer. Their functions include cell cycle homeostasis (primarily in mitosis), telomere maintenance, Wnt signaling pathway regulation, and insulin signaling (particularly GLUT4 translocation). Studies have implicated that genetic changes, mutations in the tankyrase coding sequence, or up regulation and down regulation of tankyrase are reflected in the numerous disease conditions. Investigations are pursued to develop putative molecules that target tankyrase in various diseases such as cancer, obesity, osteoarthritis, fibrosis, cherubism, and diabetes, thereby providing a new therapeutic treatment option. In the present review, we described the structure and function of tankyrase along with its role in different disease conditions. Furthermore, we also presented cumulative experimental evidences of different drugs acting on tankyrase.
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Affiliation(s)
- Vrunda Sagathia
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India
| | - Chirag Patel
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India.
| | - Jayesh Beladiya
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India
| | - Sandip Patel
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India
| | - Devang Sheth
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India
| | - Gaurang Shah
- Department of Pharmacology, L. M. College of Pharmacy, Ahmedabad, 380009, Gujarat, India
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Mishra D, Reddy I, Dey CS. PKCα Isoform Inhibits Insulin Signaling and Aggravates Neuronal Insulin Resistance. Mol Neurobiol 2023; 60:6642-6659. [PMID: 37470970 DOI: 10.1007/s12035-023-03486-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/05/2023] [Indexed: 07/21/2023]
Abstract
Overexpression of PKCα has been linked to inhibit insulin signaling disrupting IRS-1 and Akt phosphorylations in skeletal muscle. PKCα inhibits IRS-1 and Akt phosphorylations, but not required for insulin-stimulated glucose transport in skeletal muscles. Inhibition of PKCα increased whereas in some studies decreased GLUT-4 levels at the plasma membrane in skeletal muscles and adipocytes. Controversial studies have reported opposite expression pattern of PKCα expression in insulin-resistant skeletal muscles. These findings indicate that the role of PKCα on insulin signaling is controversial and could be tissue specific. Evidently, studies are required to decipher the role of PKCα in regulating insulin signaling and preferably in other cellular systems. Utilizing neuronal cells, like Neuro-2a, SHSY-5Y and insulin-resistant diabetic mice brain tissues; we have demonstrated that PKCα inhibits insulin signaling, through IRS-Akt pathway in PP2A-dependent mechanism by an AS160-independent route involving 14-3-3ζ. Inhibition and silencing of PKCα improves insulin sensitivity by increasing GLUT-4 translocation to the plasma membrane and glucose uptake. PKCα regulates GSK3 isoforms in an opposite manner in insulin-sensitive and in insulin-resistant condition. Higher activity of PKCα aggravates insulin-resistant neuronal diabetic condition through GSK3β but not GSK3α. Our results mechanistically explored the contribution of PKCα in regulating neuronal insulin resistance and diabetes, which opens up new avenues in dealing with metabolic disorders and neurodegenerative disorders.
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Affiliation(s)
- Devanshi Mishra
- Kusuma School of Biological Sciences, Indian Institute of Technology-Delhi, New Delhi, Hauz Khas, -110016, India
| | - Ishitha Reddy
- Kusuma School of Biological Sciences, Indian Institute of Technology-Delhi, New Delhi, Hauz Khas, -110016, India
| | - Chinmoy Sankar Dey
- Kusuma School of Biological Sciences, Indian Institute of Technology-Delhi, New Delhi, Hauz Khas, -110016, India.
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Khandelwal M, Krishna G, Ying Z, Gomez-Pinilla F. Liver acts as a metabolic gate for the traumatic brain injury pathology: Protective action of thyroid hormone. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166728. [PMID: 37137432 PMCID: PMC10601893 DOI: 10.1016/j.bbadis.2023.166728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/16/2023] [Accepted: 04/25/2023] [Indexed: 05/05/2023]
Abstract
Clinical evidence indicates that injury to the brain elicits systemic metabolic disturbances that contributes to the brain pathology. Since dietary fructose is metabolized in the liver, we explored mechanisms by which traumatic brain injury (TBI) and dietary fructose influence liver function and their possible repercussions to brain. Consumption of fructose contributed to the detrimental effects of TBI on liver operation, in terms of glucose and lipid metabolism, de novo lipogenesis, lipid peroxidation. Thyroid hormone (T4) is metabolized in the liver and found that T4 supply improved lipid metabolism by reducing de novo lipogenesis, lipid accumulation, lipogenic enzymes (ACC, AceCS1, FAS), lipid peroxidation in liver in response to fructose and fructose-TBI. T4 supply also helped to normalize glucose metabolism and improve insulin sensitivity. Furthermore, T4 counteracted elevations of the pro-inflammatory cytokines, Tnfα and Mcp-1 after TBI and/or fructose intake in liver and circulation. T4 also exerted an effect on isolated primary hepatocytes by potentiating phosphorylation of AMPKα and AKT substrate, AS160, leading to increased glucose uptake. In addition, T4 restored the metabolism of DHA in the liver disrupted by TBI and fructose, adding important information to optimize the action of DHA in therapeutics. The overall evidence seems to indicate that the liver works as a gate for the regulation of the effects of brain injury and foods on brain pathologies.
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Affiliation(s)
- Mayuri Khandelwal
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Gokul Krishna
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Zhe Ying
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Fernando Gomez-Pinilla
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA; Department of Neurosurgery, UCLA Brain Injury Research Center, Los Angeles, CA, USA.
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Yadav Y, Sharma M, Dey CS. PP1γ regulates neuronal insulin signaling and aggravates insulin resistance leading to AD-like phenotypes. Cell Commun Signal 2023; 21:82. [PMID: 37085815 PMCID: PMC10120118 DOI: 10.1186/s12964-023-01071-x] [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: 10/10/2022] [Accepted: 02/08/2023] [Indexed: 04/23/2023] Open
Abstract
BACKGROUND PP1γ is one of the isoforms of catalytic subunit of a Ser/Thr phosphatase PP1. The role of PP1γ in cellular regulation is largely unknown. The present study investigated the role of PP1γ in regulating neuronal insulin signaling and insulin resistance in neuronal cells. PP1 was inhibited in mouse neuroblastoma cells (N2a) and human neuroblastoma cells (SH-SY5Y). The expression of PP1α and PP1γ was determined in insulin resistant N2a, SH-SY5Y cells and in high-fat-diet-fed-diabetic mice whole-brain-lysates. PP1α and PP1γ were silenced by siRNA in N2a and SH-SY5Y cells and effect was tested on AKT isoforms, AS160 and GSK3 isoforms using western immunoblot, GLUT4 translocation by confocal microscopy and glucose uptake by fluorescence-based assay. RESULTS Results showed that, in one hand PP1γ, and not PP1α, regulates neuronal insulin signaling and insulin resistance by regulating phosphorylation of AKT2 via AKT2-AS160-GLUT4 axis. On the other hand, PP1γ regulates phosphorylation of GSK3β via AKT2 while phosphorylation of GSK3α via MLK3. Imbalance in this regulation results into AD-like phenotype. CONCLUSION PP1γ acts as a linker, regulating two pathophysiological conditions, neuronal insulin resistance and AD. Video Abstract.
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Affiliation(s)
- Yamini Yadav
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India
| | - Medha Sharma
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India
| | - Chinmoy Sankar Dey
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India.
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Perri F, Della Vittoria Scarpati G, Pontone M, Marciano ML, Ottaiano A, Cascella M, Sabbatino F, Guida A, Santorsola M, Maiolino P, Cavalcanti E, Togo G, Ionna F, Caponigro F. Cancer Cell Metabolism Reprogramming and Its Potential Implications on Therapy in Squamous Cell Carcinoma of the Head and Neck: A Review. Cancers (Basel) 2022; 14:cancers14153560. [PMID: 35892820 PMCID: PMC9332433 DOI: 10.3390/cancers14153560] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/11/2022] [Accepted: 07/19/2022] [Indexed: 02/01/2023] Open
Abstract
Carcinogenesis is a multistep process that consists of the transformation of healthy cells into cancer cells. Such an alteration goes through various stages and is closely linked to random mutations of genes that have a key role in the neoplastic phenotype. During carcinogenesis, cancer cells acquire and exhibit several characteristics including sustaining proliferative signaling, evading growth suppressors, resisting cell death, enabling replicative immortality, inducing angiogenesis, activating invasion and metastasis, and expressing an immune phenotype, which allow them to evade recognition and destruction through cognate immune cells. In addition, cancer cells may acquire the ability to reprogram their metabolism in order to further promote growth, survival, and energy production. This phenomenon, termed metabolic reprogramming, is typical of all solid tumors, including squamous carcinomas of the head and neck (SCCHN). In this review, we analyze the genetic and biological mechanisms underlying metabolic reprogramming of SCCHN, focusing on potential therapeutic strategies that are able to counteract it.
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Affiliation(s)
- Francesco Perri
- Medical and Experimental Head and Neck Oncology Unit, INT IRCSS Foundation G. Pascale, 80131 Naples, Italy; (M.P.); (M.L.M.); (F.C.)
- Correspondence: ; Tel.: +39-08159030403
| | | | - Monica Pontone
- Medical and Experimental Head and Neck Oncology Unit, INT IRCSS Foundation G. Pascale, 80131 Naples, Italy; (M.P.); (M.L.M.); (F.C.)
| | - Maria Luisa Marciano
- Medical and Experimental Head and Neck Oncology Unit, INT IRCSS Foundation G. Pascale, 80131 Naples, Italy; (M.P.); (M.L.M.); (F.C.)
| | - Alessandro Ottaiano
- SSD Innovative Therapies for Abdominal metastases, Abdominal Oncology, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy; (A.O.); (M.S.)
| | - Marco Cascella
- Unit of Anestesiology and Pain Therapy, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy;
| | - Francesco Sabbatino
- Oncology Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, 84081 Salerno, Italy;
| | - Agostino Guida
- U.O.C. Odontostomatologia, AORN A. Cardarelli Hospital, 80131 Naples, Italy;
| | - Mariachiara Santorsola
- SSD Innovative Therapies for Abdominal metastases, Abdominal Oncology, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy; (A.O.); (M.S.)
| | - Piera Maiolino
- Pharmacy Unit, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy;
| | - Ernesta Cavalcanti
- Laboratory Medicine, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy;
| | - Giulia Togo
- Maxillofacial Surgery Unit, Department of Neuroscience, Reproductive and Odontostomatological Sciences, University of Naples Federico II, 80131 Naples, Italy;
| | - Franco Ionna
- Otolaryngology Unit, INT IRCCS Foundation G. Pascale, 80131 Naples, Italy;
| | - Francesco Caponigro
- Medical and Experimental Head and Neck Oncology Unit, INT IRCSS Foundation G. Pascale, 80131 Naples, Italy; (M.P.); (M.L.M.); (F.C.)
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Entezari M, Hashemi D, Taheriazam A, Zabolian A, Mohammadi S, Fakhri F, Hashemi M, Hushmandi K, Ashrafizadeh M, Zarrabi A, Ertas YN, Mirzaei S, Samarghandian S. AMPK signaling in diabetes mellitus, insulin resistance and diabetic complications: A pre-clinical and clinical investigation. Biomed Pharmacother 2022; 146:112563. [PMID: 35062059 DOI: 10.1016/j.biopha.2021.112563] [Citation(s) in RCA: 92] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/16/2021] [Accepted: 12/19/2021] [Indexed: 12/12/2022] Open
Abstract
Diabetes mellitus (DM) is considered as a main challenge in both developing and developed countries, as lifestyle has changed and its management seems to be vital. Type I and type II diabetes are the main kinds and they result in hyperglycemia in patients and related complications. The gene expression alteration can lead to development of DM and related complications. The AMP-activated protein kinase (AMPK) is an energy sensor with aberrant expression in various diseases including cancer, cardiovascular diseases and DM. The present review focuses on understanding AMPK role in DM. Inducing AMPK signaling promotes glucose in DM that is of importance for ameliorating hyperglycemia. Further investigation reveals the role of AMPK signaling in enhancing insulin sensitivity for treatment of diabetic patients. Furthermore, AMPK upregulation inhibits stress and cell death in β cells that is of importance for preventing type I diabetes development. The clinical studies on diabetic patients have shown the role of AMPK signaling in improving diabetic complications such as brain disorders. Furthermore, AMPK can improve neuropathy, nephropathy, liver diseases and reproductive alterations occurring during DM. For exerting such protective impacts, AMPK signaling interacts with other molecular pathways such as PGC-1α, PI3K/Akt, NOX4 and NF-κB among others. Therefore, providing therapeutics based on AMPK targeting can be beneficial for amelioration of DM.
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Affiliation(s)
- Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Danial Hashemi
- Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Amirhossein Zabolian
- Department of Orthopedics, School of Medicine, 5th Azar Hospital, Golestan University of Medical Sciences, Golestan, Iran
| | - Shima Mohammadi
- Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Farima Fakhri
- Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology & Zoonosis, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla 34956, Istanbul, Turkey; Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla 34956, Istanbul, Turkey
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Sariyer 34396, Istanbul, Turkey
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri 38039, Turkey; ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri 38039, Turkey
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran.
| | - Saeed Samarghandian
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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