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Nielipińska D, Rubiak D, Pietrzyk-Brzezińska AJ, Małolepsza J, Błażewska KM, Gendaszewska-Darmach E. Stapled peptides as potential therapeutics for diabetes and other metabolic diseases. Biomed Pharmacother 2024; 180:117496. [PMID: 39362065 DOI: 10.1016/j.biopha.2024.117496] [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: 07/04/2024] [Revised: 09/10/2024] [Accepted: 09/24/2024] [Indexed: 10/05/2024] Open
Abstract
The field of peptide drug research has experienced notable progress, with stapled peptides featuring stabilized α-helical conformation, emerging as a promising field. These peptides offer enhanced stability, cellular permeability, and binding affinity and exhibit potential in the treatment of diabetes and metabolic disorders. Stapled peptides, through the disruption of protein-protein interactions, present varied functionalities encompassing agonism, antagonism, and dual-agonism. This comprehensive review offers insight into the technology of peptide stapling and targeting of crucial molecular pathways associated with glucose metabolism, insulin secretion, and food intake. Additionally, we address the challenges in developing stapled peptides, including concerns pertaining to structural stability, peptide helicity, isomer mixture, and potential side effects.
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Affiliation(s)
- Dominika Nielipińska
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Poland.
| | - Dominika Rubiak
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Poland
| | - Agnieszka J Pietrzyk-Brzezińska
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Poland
| | - Joanna Małolepsza
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Poland
| | - Katarzyna M Błażewska
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Poland.
| | - Edyta Gendaszewska-Darmach
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Poland.
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Juliani PZ, Rodrigues T, Bressan GN, Camponogara C, Oliveira SM, Brucker N, Fachinetto R. Effects of association between resveratrol and ketamine on behavioral and biochemical analysis in mice. J Neural Transm (Vienna) 2024; 131:971-986. [PMID: 38874765 DOI: 10.1007/s00702-024-02793-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 06/01/2024] [Indexed: 06/15/2024]
Abstract
Resveratrol (3,5,4'-trihydroxy-trans-stilbene), a phenol commonly found in grapes and wine, has been associated as protective in experimental models involving alterations in different neurotransmitter systems. However, studies are reporting that resveratrol could have adverse effects. This study evaluated if the association of a low dose of ketamine and resveratrol could induce behavioral manifestations associated with biochemical alterations. Moreover, the effects of treatment with resveratrol and/or ketamine on monoamine oxidase (MAO) activity, oxidative stress markers, and IL-6 levels in the brain were also investigated. Male Swiss mice received a low dose of ketamine (20 mg/kg) for 14 consecutive days, and resveratrol (10, 30, or 100 mg/kg) from day 8 up to day 14 of the experimental period, intraperitoneally. Locomotor, stereotyped behavior, Y-maze, novel recognition object test (NORT), and social interaction were quantified as well as ex vivo analysis of MAO activity, IL-6 levels, and oxidative stress markers (TBARS and total thiol levels) in brain tissues. Ketamine per se reduced the number of bouts of stereotyped behavior on day 8 of the experimental period. Resveratrol per se reduced the locomotor and exploratory activity in the open field, the time of exploration of new objects in the NORT, MAO-A activity in the striatum and increased the IL-6 levels in the cortex. These effects were attenuated when the mice were co-treated with ketamine and resveratrol. There was a decrease in MAO-A activity in the cortex of mice treated with ketamine + resveratrol 100 mg/kg. No significant alterations were found in oxidative stress markers. Resveratrol does not appear to cause summative effects with ketamine on behavioral alterations. However, the effect of resveratrol per se, mainly on locomotor and exploratory activity, should be better investigated.
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Affiliation(s)
- Patrícia Zorzi Juliani
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Talita Rodrigues
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Getulio Nicola Bressan
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Camila Camponogara
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Sara Marchesan Oliveira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Natália Brucker
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Roselei Fachinetto
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
- Centro de Ciências da Saúde, Departamento de Fisiologia e Farmacologia, Santa Maria, RS, 97105-900, Brazil.
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Golubnitschaja O, Kapinova A, Sargheini N, Bojkova B, Kapalla M, Heinrich L, Gkika E, Kubatka P. Mini-encyclopedia of mitochondria-relevant nutraceuticals protecting health in primary and secondary care-clinically relevant 3PM innovation. EPMA J 2024; 15:163-205. [PMID: 38841620 PMCID: PMC11148002 DOI: 10.1007/s13167-024-00358-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 06/07/2024]
Abstract
Despite their subordination in humans, to a great extent, mitochondria maintain their independent status but tightly cooperate with the "host" on protecting the joint life quality and minimizing health risks. Under oxidative stress conditions, healthy mitochondria promptly increase mitophagy level to remove damaged "fellows" rejuvenating the mitochondrial population and sending fragments of mtDNA as SOS signals to all systems in the human body. As long as metabolic pathways are under systemic control and well-concerted together, adaptive mechanisms become triggered increasing systemic protection, activating antioxidant defense and repair machinery. Contextually, all attributes of mitochondrial patho-/physiology are instrumental for predictive medical approach and cost-effective treatments tailored to individualized patient profiles in primary (to protect vulnerable individuals again the health-to-disease transition) and secondary (to protect affected individuals again disease progression) care. Nutraceuticals are naturally occurring bioactive compounds demonstrating health-promoting, illness-preventing, and other health-related benefits. Keeping in mind health-promoting properties of nutraceuticals along with their great therapeutic potential and safety profile, there is a permanently growing demand on the application of mitochondria-relevant nutraceuticals. Application of nutraceuticals is beneficial only if meeting needs at individual level. Therefore, health risk assessment and creation of individualized patient profiles are of pivotal importance followed by adapted nutraceutical sets meeting individual needs. Based on the scientific evidence available for mitochondria-relevant nutraceuticals, this article presents examples of frequent medical conditions, which require protective measures targeted on mitochondria as a holistic approach following advanced concepts of predictive, preventive, and personalized medicine (PPPM/3PM) in primary and secondary care.
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Affiliation(s)
- Olga Golubnitschaja
- Predictive, Preventive and Personalised (3P) Medicine, Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, 53127 Bonn, Germany
| | - Andrea Kapinova
- Biomedical Centre Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Nafiseh Sargheini
- Max Planck Institute for Plant Breeding Research, Carl-Von-Linne-Weg 10, 50829 Cologne, Germany
| | - Bianka Bojkova
- Department of Animal Physiology, Institute of Biology and Ecology, Faculty of Science, P. J. Šafárik University in Košice, 040 01 Košice, Slovakia
| | - Marko Kapalla
- Negentropic Systems, Ružomberok, Slovakia
- PPPM Centre, s.r.o., Ruzomberok, Slovakia
| | - Luisa Heinrich
- Institute of General Medicine, University of Leipzig, Leipzig, Germany
| | - Eleni Gkika
- Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, 53127 Bonn, Germany
| | - Peter Kubatka
- Department of Histology and Embryology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
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Aziz WM, Ahmed SA, Shaker SE, Fayed DB, Metwally NS, Shawky H. Portulaca oleracea L seed extracts counteract diabetic nephropathy through SDF-1/IL10/PPARγ-mediated tuning of keap1/Nrf2 and NF-κB transcription in Sprague Dawley rats. Diabetol Metab Syndr 2024; 16:119. [PMID: 38811991 PMCID: PMC11138090 DOI: 10.1186/s13098-024-01330-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 04/08/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND & OBJECTIVE While oxidative stress is the key player driving diabetic nephropathy (DN), firm glycemic control remains the pillar prophylactic measure. Purslane was extensively described as a potent hypoglycemic and hypolipidemic agent owing to its rich content of antioxidants. Therefore, this report aimed to assess the renoprotective potentials of methanol (MO) and methylene chloride (MC) fixed oil extracts of purslane seeds in a diabetic nephropathy (DN) model. METHODS Purslane seeds were extracted using absolute methanol and methylene chloride, and type-1 diabetes was induced with a single 55 mg/kg dose of Streptozotocin (STZ) dissolved in 100 mmol/L citrate buffer (pH 4.5), and then diabetic animals were received MO, MC, for 42 consecutive days to compare their antidiabetic effect relative to the reference drug "Losartan". Renal functions and DN biomarkers were weekly assessed, and the relative expression of different oxido-inflammatory mediators was quantified in diabetic kidneys by RT-PCR. Data were statistically analyzed using GraphPad Prism 9.0.2. RESULTS The oral administration of MO and MC extracts (250 mg/kg/day) significantly ameliorated the body weight loss (P < 0.0001 / each), fasting blood glucose levels (FBG) (P < 0.0001 / each), urine volume (P < 0.0001 / each), as well as serum creatinine (P < 0.0001 / each), uric acid (P = 0.0022, 0.0052), and blood urea nitrogen (BUN) (P = 0.0265, 0.0338); respectively, compared with the untreated diabetic rats. In addition, both extracts restored the effectuality of antioxidative machinery in diabetic kidneys as indicated by a significant reduction of ROS accumulation and lipid peroxidation; higher GSH content, and promoted activity of glutathione reductase and superoxide dismutase antioxidant enzymes (P < 0.0001 / each). Histologically, both extracts alleviated the DN-structural alterations including the glomerular congestion and tubular degeneration, with MC-treated kidneys showing near to normal architecture. The transcription profiles of all treated kidneys revealed a significantly downregulated expression of TNF-α, IL-6, Keap1 and NF-κB genes, concomitant with a significant upregulation of SDF-1, IL-10, Nrf2, HO-1, and PPARγ gene expression (P < 0.0001 / all). CONCLUSION These findings highlight the remarkable DN-prophylactic potentials of purslane extracts mediated by neutralizing the hyperglycemia-induced ROS accumulation, and circumventing the downstream inflammatory cascades, surpassing the reference angiotensin receptor blocker; i.e. Losartan.
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Affiliation(s)
- Wessam M Aziz
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Samia A Ahmed
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Sylvia E Shaker
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Dalia B Fayed
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Nadia S Metwally
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Heba Shawky
- Therapeutic Chemistry Department, Pharmaceutical Industries and Drug Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt.
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Zhang Y, Zhang XY, Shi SR, Ma CN, Lin YP, Song WG, Guo SD. Natural products in atherosclerosis therapy by targeting PPARs: a review focusing on lipid metabolism and inflammation. Front Cardiovasc Med 2024; 11:1372055. [PMID: 38699583 PMCID: PMC11064802 DOI: 10.3389/fcvm.2024.1372055] [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: 01/17/2024] [Accepted: 04/09/2024] [Indexed: 05/05/2024] Open
Abstract
Inflammation and dyslipidemia are critical inducing factors of atherosclerosis. Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors and control the expression of multiple genes that are involved in lipid metabolism and inflammatory responses. However, synthesized PPAR agonists exhibit contrary therapeutic effects and various side effects in atherosclerosis therapy. Natural products are structural diversity and have a good safety. Recent studies find that natural herbs and compounds exhibit attractive therapeutic effects on atherosclerosis by alleviating hyperlipidemia and inflammation through modulation of PPARs. Importantly, the preparation of natural products generally causes significantly lower environmental pollution compared to that of synthesized chemical compounds. Therefore, it is interesting to discover novel PPAR modulator and develop alternative strategies for atherosclerosis therapy based on natural herbs and compounds. This article reviews recent findings, mainly from the year of 2020 to present, about the roles of natural herbs and compounds in regulation of PPARs and their therapeutic effects on atherosclerosis. This article provides alternative strategies and theoretical basis for atherosclerosis therapy using natural herbs and compounds by targeting PPARs, and offers valuable information for researchers that are interested in developing novel PPAR modulators.
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Affiliation(s)
- Yan Zhang
- Department of Endocrinology and Metabolism, Guiqian International General Hospital, Guiyang, China
| | - Xue-Ying Zhang
- Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang, China
| | - Shan-Rui Shi
- Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang, China
| | - Chao-Nan Ma
- Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang, China
| | - Yun-Peng Lin
- Department of General Surgery, Qixia Traditional Chinese Medicine Hospital in Shandong Province, Yantai, China
| | - Wen-Gang Song
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Shou-Dong Guo
- Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang, China
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Manickasamy MK, Sajeev A, BharathwajChetty B, Alqahtani MS, Abbas M, Hegde M, Aswani BS, Shakibaei M, Sethi G, Kunnumakkara AB. Exploring the nexus of nuclear receptors in hematological malignancies. Cell Mol Life Sci 2024; 81:78. [PMID: 38334807 PMCID: PMC10858172 DOI: 10.1007/s00018-023-05085-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/16/2023] [Accepted: 12/03/2023] [Indexed: 02/10/2024]
Abstract
Hematological malignancies (HM) represent a subset of neoplasms affecting the blood, bone marrow, and lymphatic systems, categorized primarily into leukemia, lymphoma, and multiple myeloma. Their prognosis varies considerably, with a frequent risk of relapse despite ongoing treatments. While contemporary therapeutic strategies have extended overall patient survival, they do not offer cures for advanced stages and often lead to challenges such as acquisition of drug resistance, recurrence, and severe side effects. The need for innovative therapeutic targets is vital to elevate both survival rates and patients' quality of life. Recent research has pivoted towards nuclear receptors (NRs) due to their role in modulating tumor cell characteristics including uncontrolled proliferation, differentiation, apoptosis evasion, invasion and migration. Existing evidence emphasizes NRs' critical role in HM. The regulation of NR expression through agonists, antagonists, or selective modulators, contingent upon their levels, offers promising clinical implications in HM management. Moreover, several anticancer agents targeting NRs have been approved by the Food and Drug Administration (FDA). This review highlights the integral function of NRs in HM's pathophysiology and the potential benefits of therapeutically targeting these receptors, suggesting a prospective avenue for more efficient therapeutic interventions against HM.
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Affiliation(s)
- Mukesh Kumar Manickasamy
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Anjana Sajeev
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Bandari BharathwajChetty
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Mohammed S Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, 61421, Abha, Saudi Arabia
- BioImaging Unit, Space Research Centre, University of Leicester, Michael Atiyah Building, Leicester, LE1 7RH, UK
| | - Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, 61421, Abha, Saudi Arabia
| | - Mangala Hegde
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Babu Santha Aswani
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Mehdi Shakibaei
- Chair of Vegetative Anatomy, Department of Human-Anatomy, Musculoskeletal Research Group and Tumor Biology, Institute of Anatomy, Ludwig-Maximilian-University, 80336, Munich, Germany
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore.
- NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore.
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India.
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Wu S, Dai H, Bai X, Wu Z, Wang X, Xiao B. Highlights from the Top 100 Most Influential Articles Regarding the Nuclear Receptor PPAR-γ: A Bibliometric Analysis. Endocr Metab Immune Disord Drug Targets 2024; 24:1303-1314. [PMID: 38317461 DOI: 10.2174/0118715303265935231114073638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/16/2023] [Accepted: 09/28/2023] [Indexed: 02/07/2024]
Abstract
BACKGROUND PPAR-γ is one of three members of the PPAR group of the nuclear receptor superfamily and plays an important regulatory role as a ligand-dependent transcription factor. OBJECTIVE This study aimed to identify the top 100 most influential articles in the field of PPAR-γ. We hypothesized that a bibliometric and scientometric analysis of the PPAR-γ research field could render trends that provide researchers and funding agencies valuable insight into the history of the field, and potential future directions. METHODS A literature search of publications was carried out using the Web of Science (WOS) and Scopus database based on specific subject words on September 11, 2023. Articles were listed in descending order of the number of citations. Statistical analysis was performed on the data of the top 100 cited articles in terms of year of publication, journal, research direction, institution, author, and country. Meanwhile, co-authorship networks and co-citation networks were constructed by using VOSviewer software, and keywords were analyzed for co-occurrence. RESULTS A total of 9,456 articles regarding PPAR-γ were identified and analyzed based on the WOS database, and the top 100 cited articles in the field of PPAR-γ were ranked by citation. The most cited article was published in 1998, with 2,571 citations and a density of 102.80 citations/ year. Of the 100 articles, Harvard University was the institution with the highest number of articles published. Spiegelman, B. M. was the author with the highest number of articles published. Using the VOSviewer software, we found that the most used keywords were geneexpression, activated receptor-gamma, and adipocyte differentiation. PPAR-γ, one of the most widely studied transcription factors, is an important drug target for many diseases. Therefore, screening for small molecule compounds targeting PPAR-γ remains of great value. CONCLUSION The present study identified the top 100 most influential articles in the field of PPAR-γ, which help global researchers to better understand research perspectives and develop future research directions of PPAR-γ.
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Affiliation(s)
- Si Wu
- General Clinical Research Center, Ordos Central Hospital, Ordos School of Clinical Medicine, Inner Mongolia Medical University, Ordos 017000, China
| | - Haijiao Dai
- State Key Laboratory of Metastable Materials Science and Technology, College of Material Science and Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
| | - Xianxiang Bai
- General Clinical Research Center, Ordos Central Hospital, Ordos School of Clinical Medicine, Inner Mongolia Medical University, Ordos 017000, China
| | - Zhen Wu
- Department of Chemical Engineering, Ordos Institute of Technology, 017000, Ordos, China
| | - Xianglei Wang
- Department of Chemical Engineering, Ordos Institute of Technology, 017000, Ordos, China
| | - Bin Xiao
- General Clinical Research Center, Ordos Central Hospital, Ordos School of Clinical Medicine, Inner Mongolia Medical University, Ordos 017000, China
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Cu-Cañetas TE, Velázquez-Villegas LA, Manzanilla-Franco M, Ayora-Talavera TDR, Acevedo-Fernández JJ, Barbosa-Martín E, Márquez-Mota CC, López-Barradas AM, Noriega LG, Guevara-Cruz M, Gutiérrez-Solís AL, Avila-Nava A. Ramon Flour ( Brosimum alicastrum Swartz) Ameliorates Hepatic Lipid Accumulation, Induction of AMPK Phosphorylation, and Expression of the Hepatic Antioxidant System in a High-Fat-Diet-Induced Obesity Mouse Model. Antioxidants (Basel) 2023; 12:1957. [PMID: 38001809 PMCID: PMC10669741 DOI: 10.3390/antiox12111957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
Excessive consumption of fat and carbohydrates, together with a decrease in traditional food intake, has been related to obesity and the development of metabolic alterations. Ramon seed is a traditional Mayan food used to obtain Ramon flour (RF) with high biological value in terms of protein, fiber, micronutrients, and bioactive compounds such as polyphenols. However, few studies have evaluated the beneficial effects of RF. Thus, we aimed to determine the metabolic effects of RF consumption on a high-fat-diet-induced obesity mouse model. We divided male BALB/c mice into four groups (n = 5 each group) and fed them for 90 days with the following diets: Control (C): control diet (AIN-93), C + RF: control diet adjusted with 25% RF, HFD: high-fat diet + 5% sugar in water, and HFD + RF: high-fat diet adjusted with 25% RF + 5% sugar in water. The RF prevented the increase in serum total cholesterol (TC) and alanine transaminase (ALT) that occurred in the C and HFD groups. Notably, RF together with HFD increased serum polyphenols and antioxidant activity, and it promoted a decrease in the adipocyte size in white adipose tissue, along with lower hepatic lipid accumulation than in the HFD group. In the liver, the HFD + RF group showed an increase in the expression of β-oxidation-related genes, and downregulation of the fatty acid synthase (Fas) gene compared with the HFD group. Moreover, the HFD + RF group had increased hepatic phosphorylation of AMP-activated protein kinase (AMPK), along with increased nuclear factor erythroid 2-related factor 2 (NRF2) and superoxide dismutase 2 (SOD2) protein expression compared with the HFD group. Thus, RF may be used as a nutritional strategy to decrease metabolic alterations during obesity.
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Affiliation(s)
| | - Laura A. Velázquez-Villegas
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México 14080, Mexico; (L.A.V.-V.); (A.M.L.-B.); (L.G.N.); (M.G.-C.)
| | - Mariana Manzanilla-Franco
- Escuela de Salud, Universidad Modelo, Mérida 97130, Yucatán, Mexico; (T.E.C.-C.); (M.M.-F.); (E.B.-M.)
| | - Teresa del Rosario Ayora-Talavera
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ) A.C., Subsede Sureste, Mérida 97302, Yucatán, Mexico;
| | - Juan José Acevedo-Fernández
- Departamento de Fisiología y Fisiopatología, Facultad de Medicina, Universidad Autónoma del Estado de Morelos (UAEM), Cuernavaca 62350, Morelos, Mexico;
| | - Enrique Barbosa-Martín
- Escuela de Salud, Universidad Modelo, Mérida 97130, Yucatán, Mexico; (T.E.C.-C.); (M.M.-F.); (E.B.-M.)
| | - Claudia C. Márquez-Mota
- Departamento de Nutrición Animal y Bioquímica, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (FMVZ-UNAM), Ciudad de México 04510, Mexico;
| | - Adriana M. López-Barradas
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México 14080, Mexico; (L.A.V.-V.); (A.M.L.-B.); (L.G.N.); (M.G.-C.)
| | - Lilia G. Noriega
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México 14080, Mexico; (L.A.V.-V.); (A.M.L.-B.); (L.G.N.); (M.G.-C.)
| | - Martha Guevara-Cruz
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México 14080, Mexico; (L.A.V.-V.); (A.M.L.-B.); (L.G.N.); (M.G.-C.)
| | - Ana Ligia Gutiérrez-Solís
- Hospital Regional de Alta Especialidad de la Península de Yucatán (HRAEPY), Mérida 97130, Yucatán, Mexico;
| | - Azalia Avila-Nava
- Hospital Regional de Alta Especialidad de la Península de Yucatán (HRAEPY), Mérida 97130, Yucatán, Mexico;
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Enayati A, Soghi A, Butler AE, Rizzo M, Sahebkar A. The Effect of Curcumin on the Gut-Brain Axis: Therapeutic Implications. J Neurogastroenterol Motil 2023; 29:409-418. [PMID: 37814431 PMCID: PMC10577457 DOI: 10.5056/jnm23065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/23/2023] [Accepted: 08/11/2023] [Indexed: 10/11/2023] Open
Abstract
The gut-brain axis describes the bidirectional communication between the gut, the enteric nervous system, and the central nervous system. The gut-brain axis has attracted increasing attention owing to its regulatory effect on dysbiosis and a wide range of related diseases. Several types of nutrients, such as curcumin, have been proposed as regulators of the dysbiotic state, and preclinical experiments have suggested that curcumin is not only beneficial but also safe. This review focuses on the interplay between curcumin and the gut microbiota. Moreover, it provides a comprehensive review of the crosstalk between the gut-brain axis and disease, whilst also discussing curcumin-mediated gut-brain axis-dependent and -independent signaling about modulation of gut microbiota dysbiosis. This will help to define the utility of curcumin as a novel therapeutic agent to regulate intestinal microflora dysbiosis.
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Affiliation(s)
- Ayesheh Enayati
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Aida Soghi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Alexandra E Butler
- Research Department, Royal College of Surgeons in Ireland, Adliya, Bahrain
| | - Manfredi Rizzo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, School of Medicine, University of Palermo, Palermo, Italy
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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10
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Kadasah SF, Radwan MO. Overview of Ursolic Acid Potential for the Treatment of Metabolic Disorders, Autoimmune Diseases, and Cancers via Nuclear Receptor Pathways. Biomedicines 2023; 11:2845. [PMID: 37893218 PMCID: PMC10604592 DOI: 10.3390/biomedicines11102845] [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: 10/06/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Nuclear receptors (NRs) form a family of druggable transcription factors that are regulated by ligand binding to orchestrate multifaceted physiological functions, including reproduction, immunity, metabolism, and growth. NRs represent attractive and valid targets for the management and treatment of a vast array of ailments. Pentacyclic triterpenes (PTs) are ubiquitously distributed natural products in medicinal and aromatic plants, of which ursolic acid (UA) is an extensively studied member, due to its diverse bio-pertinent activities against different cancers, inflammation, aging, obesity, diabetes, dyslipidemia, and liver injury. In fact, PTs share a common lipophilic structure that resembles NRs' endogenous ligands. Herein, we present a review of the literature on UA's effect on NRs, showcasing the resulting health benefits and potential therapeutic outcomes. De facto, UA exhibited numerous pharmacodynamic effects on PPAR, LXR, FXR, and PXR, resulting in remarkable anti-inflammatory, anti-hyperlipidemic, and hepatoprotective properties, by lowering lipid accumulation in hepatocytes and mitigating non-alcoholic steatohepatitis (NASH) and its subsequent liver fibrosis. Furthermore, UA reversed valproate and rifampicin-induced hepatic lipid accumulation. Additionally, UA showed great promise for the treatment of autoimmune inflammatory diseases such as multiple sclerosis and autoimmune arthritis by antagonizing RORγ. UA exhibited antiproliferative effects against skin, prostate, and breast cancers, partially via PPARα and RORγ pathways. Herein, for the first time, we explore and provide insights into UA bioactivity with respect to NR modulation.
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Affiliation(s)
- Sultan F. Kadasah
- Department of Biology, Faculty of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia
| | - Mohamed O. Radwan
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan
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Hassan FU, Rehman MSU, Javed M, Ahmad K, Fatima I, Safdar M, Ashraf N, Nadeem A. Identification of phytochemicals as putative ligands for the targeted modulation of peroxisome proliferator-activated receptor α (PPARα) in animals. J Biomol Struct Dyn 2023:1-12. [PMID: 37837423 DOI: 10.1080/07391102.2023.2268185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/01/2023] [Indexed: 10/16/2023]
Abstract
The PPAR family of transcription factors are ligand-activated and regulate diverse functions including metabolic, neurological, and inflammatory diseases, neurodegenerative disorders, fertility or reproduction in the body. Specifically, PPARα is known to play a role in reducing the levels of circulating triglycerides and regulating energy homeostasis in livestock animals. This study aimed to identify phytochemicals that could serve as ligands for modulation of the bovine nuclear peroxisome proliferator-activated receptor alpha (PPARα) using molecular docking studies. Therefore, we investigated 1000 flavonoids belonging to different groups for their ability to bind to PPARα using molecular docking. Out of 1000, 6 top lead compounds with maximum binding affinity, evaluated through molecular docking, were further analysed for physicochemical properties and drug-likeness attributes. The results revealed that two flavonoids, Quercetin-3-o-rhamnoside and (-)- epicatechingallate, which are known fatty acid synthase inhibitors, demonstrated high docking scores with PPARα (-8.66 kcal/mol and -8.49 kcal/mol, respectively) and low RMSD values with PPARα (1.61 kcal/mol and 1.28 kcal/mol, respectively) as compared to PPARα agonist (synthetic), fenofibrate (-6.24 kcal/mol and 2.19 kcal/mol) and thus analyzed further for prediction of stability of docked complexes through MD simulations. MD simulation studies predicted the stability of complexes and the complex of Quercetin-3-o-rhamnoside and (-)- epicatechingallate were found to be stable at 100 ns based on RSMD value and RMSF residue index. Through computational analysis, the screened compounds showed good pharmacokinetic parameters, including non-toxicity, non-carcinogenic, high gastrointestinal absorption and thus can serve as potential drug candidates. Finally, the findings suggest that these phytochemicals have the potential to act as potent PPARα pharmacological agonists to prevent disease mechanisms and their related complications, providing insights into the role of phytochemicals as feed additives in animals for modulating PPARα functions.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Faiz-Ul Hassan
- Department of Animal Breeding and Genetics, The Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - M Saif-Ur Rehman
- Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Maryam Javed
- Institute of Biochemistry & Biotechnology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Khalil Ahmad
- Faculty of Medicine and Allied Health Sciences, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Israr Fatima
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Safdar
- Department of Animal Breeding and Genetics, The Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - Noman Ashraf
- Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Asif Nadeem
- Department of Biotechnology, Virtual University of Pakistan, Lahore, Pakistan
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