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Rojas-Solé C, Pinilla-González V, Lillo-Moya J, González-Fernández T, Saso L, Rodrigo R. Integrated approach to reducing polypharmacy in older people: exploring the role of oxidative stress and antioxidant potential therapy. Redox Rep 2024; 29:2289740. [PMID: 38108325 PMCID: PMC10732214 DOI: 10.1080/13510002.2023.2289740] [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] [Indexed: 12/19/2023] Open
Abstract
Increased life expectancy, attributed to improved access to healthcare and drug development, has led to an increase in multimorbidity, a key contributor to polypharmacy. Polypharmacy is characterised by its association with a variety of adverse events in the older persons. The mechanisms involved in the development of age-related chronic diseases are largely unknown; however, altered redox homeostasis due to ageing is one of the main theories. In this context, the present review explores the development and interaction between different age-related diseases, mainly linked by oxidative stress. In addition, drug interactions in the treatment of various diseases are described, emphasising that the holistic management of older people and their pathologies should prevail over the individual treatment of each condition.
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Affiliation(s)
- Catalina Rojas-Solé
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Víctor Pinilla-González
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - José Lillo-Moya
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Tommy González-Fernández
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Faculty of Pharmacy and Medicine, Sapienza University, Rome, Italy
| | - Ramón Rodrigo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
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Chen X, Song Y, Hong Y, Zhang X, Li Q, Zhou H. "NO" controversy?: A controversial role in insulin signaling of diabetic encephalopathy. Mol Cell Endocrinol 2024; 593:112346. [PMID: 39151653 DOI: 10.1016/j.mce.2024.112346] [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: 03/22/2024] [Revised: 06/14/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Insulin, a critical hormone in the human body, exerts its effects by binding to insulin receptors and regulating various cellular processes. While nitric oxide (NO) plays an important role in insulin secretion and acts as a mediator in the signal transduction pathway between upstream molecules and downstream effectors, holds a significant position in the downstream signal network of insulin. Researches have shown that the insulin-NO system exhibits a dual regulatory effect within the central nervous system, which is crucial in the regulation of diabetic encephalopathy (DE). Understanding this system holds immense practical importance in comprehending the targets of existing drugs and the development of potential therapeutic interventions. This review extensively examines the characterization of insulin, NO, Nitric oxide synthase (NOS), specific NO pathway, their interconnections, and the mechanisms underlying their regulatory effects in DE, providing a reference for new therapeutic targets of DE.
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Affiliation(s)
- Xi Chen
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Ying Song
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China; Hangzhou King's Bio-pharmaceutical Technology Co., Ltd, Hangzhou, Zhejiang, 310007, China.
| | - Ye Hong
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Xiaomin Zhang
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Qisong Li
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Hongling Zhou
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
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3
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Tang K, Ceteznik S, Kim M, Bornfeldt KE, Kanter JE, Zhang H, Arola DD. Changes in the composition and mechanical properties of dentin in mouse models of diabetes. Dent Mater 2024:S0109-5641(24)00283-5. [PMID: 39343702 DOI: 10.1016/j.dental.2024.09.010] [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: 05/05/2024] [Revised: 09/13/2024] [Accepted: 09/20/2024] [Indexed: 10/01/2024]
Abstract
OBJECTIVES This study employed mouse models of type 1 (T1D) and type 2 (T2D) diabetes to characterize the changes in tooth dentin composition and its mechanical properties. METHODS Thirty-two mice were used in this study and divided into T1D, T2D and corresponding control groups. Mandibles were extracted 12 weeks after the onset of diabetes, and dentin from the first molars was evaluated in varying regions of the root. The composition was assessed using Raman Spectroscopy. Nanoindentation and Vickers indentation were employed to study the mechanical properties of the tissue. Statistical significance was evaluated by two-way analysis of variance with respect to the diabetic group and region of the tooth (p ≤ 0.05). RESULTS In the T2D model, the mineral-to-collagen ratio, hardness, and storage modulus of the intertubular dentin were significantly reduced compared to tissue from the controls, especially in the cervical regions of the tooth. The reduction in the mineral-to-collagen ratio was also observed in the T1D model, but changes in nanomechanical properties were not evident. However, the bulk hardness of the teeth in the T1D model was lower than in the littermate controls. Optical microscopy revealed significant wear of the tooth crowns in both models of diabetes, which appear to result from parafunctional activities. CONCLUSION This study suggests that both type 1 and type 2 models of diabetes are associated with detrimental changes in dentin. CLINICAL SIGNIFICANCE Better understanding of how diabetes affects dentin and the contributing mechanisms will be key to improving treatments for people with diabetes.
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Affiliation(s)
- K Tang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA
| | - S Ceteznik
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA
| | - M Kim
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA
| | - K E Bornfeldt
- Department of Medicine, UW Medicine Diabetes Institute, Seattle, WA, USA
| | - J E Kanter
- Department of Medicine, UW Medicine Diabetes Institute, Seattle, WA, USA
| | - H Zhang
- Department of Oral Health Sciences, University of Washington, Seattle, WA, USA
| | - D D Arola
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA; Department of Oral Health Sciences, University of Washington, Seattle, WA, USA; Department of Mechanical, Engineering, University of Washington, Seattle, WA, USA.
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4
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Chen T, Bai D, Gong C, Cao Y, Yan X, Peng R. Hydrogen sulfide mitigates mitochondrial dysfunction and cellular senescence in diabetic patients: Potential therapeutic applications. Biochem Pharmacol 2024; 230:116556. [PMID: 39332692 DOI: 10.1016/j.bcp.2024.116556] [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: 08/02/2024] [Revised: 09/08/2024] [Accepted: 09/23/2024] [Indexed: 09/29/2024]
Abstract
Diabetes induces a pro-aging state characterized by an increased abundance of senescent cells in various tissues, heightened chronic inflammation, reduced substance and energy metabolism, and a significant increase in intracellular reactive oxygen species (ROS) levels. This condition leads to mitochondrial dysfunction, including elevated oxidative stress, the accumulation of mitochondrial DNA (mtDNA) damage, mitophagy defects, dysregulation of mitochondrial dynamics, and abnormal energy metabolism. These dysfunctions result in intracellular calcium ion (Ca2+) homeostasis disorders, telomere shortening, immune cell damage, and exacerbated inflammation, accelerating the aging of diabetic cells or tissues. Hydrogen sulfide (H2S), a novel gaseous signaling molecule, plays a crucial role in maintaining mitochondrial function and mitigating the aging process in diabetic cells. This article systematically explores the specific mechanisms by which H2S regulates diabetes-induced mitochondrial dysfunction to delay cellular senescence, offering a promising new strategy for improving diabetes and its complications.
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Affiliation(s)
- Ting Chen
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Dacheng Bai
- Guangdong Institute of Mitochondrial Biomedicine, Room 501, Coolpad Building, No.2 Mengxi Road, High-tech Industrial Park, Nanshan District, Shenzhen, Guangdong Province 518000, China
| | - Changyong Gong
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Yu Cao
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Xiaoqing Yan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Renyi Peng
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China.
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Lu X, Ma R, Zhan J, Pan X, Liu C, Zhang S, Tian Y. Effect of dietary intake of advanced glycation end products on biomarkers of type 2 diabetes: a systematic review and meta-analysis. Crit Rev Food Sci Nutr 2024:1-10. [PMID: 39320860 DOI: 10.1080/10408398.2024.2407894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
Thermal treatment of food may undergo Maillard reactions and produce harmful substances, e.g., advanced glycation end products (AGEs). Current studies show different results about the effects of dietary AGE intake on the biomarkers of type 2 diabetes mellitus (T2DM). Therefore, this work conducted a systematic review and meta-analysis to explore the effect of dietary AGE intake on the biomarkers of T2DM, the available evidence, and the bias of this evidence. This meta-analysis focused on the association between high AGE intake and fasting plasma glucose, fasting plasma insulin, HbA1c, and HOMA-IR. Thirteen parallel studies and 4 randomized crossover studies were finally included. In the pooled analysis, fasting glucose (SMD: 0.98; 95% CI: 0.23, 1.73; p = .011), fasting insulin (SMD: 1.44; 95% CI: 0.63, 2.25; p < .01), and HOMA-IR (SMD: 1.47; 95% CI: 0.59, 2.34; p < .01) significantly increased after dietary intake with high AGEs. In the subgroup analyses, high-AGE diets and healthy participants were associated with changes in the biomarkers of T2DM. Taken together, the intake of high dietary AGE was related to the development of T2DM.
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Affiliation(s)
- Xiaoxue Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Rongrong Ma
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jinling Zhan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, China
| | - Xiaohua Pan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Chang Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Shuang Zhang
- Analysis and Testing Center, Jiangnan University, Wuxi, China
| | - Yaoqi Tian
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- Analysis and Testing Center, Jiangnan University, Wuxi, China
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Papaccio F, Ottaviani M, Truglio M, D'Arino A, Caputo S, Pacifico A, Iacovelli P, Di Nardo A, Picardo M, Bellei B. Markers of Metabolic Abnormalities in Vitiligo Patients. Int J Mol Sci 2024; 25:10201. [PMID: 39337683 PMCID: PMC11432710 DOI: 10.3390/ijms251810201] [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: 08/01/2024] [Revised: 09/18/2024] [Accepted: 09/19/2024] [Indexed: 09/30/2024] Open
Abstract
While vitiligo is primarily caused by melanocyte deficiency or dysfunction, recent studies have revealed a notable prevalence of metabolic syndrome (MetS) among patients with vitiligo. This suggests shared pathogenic features between the two conditions. Individuals with vitiligo often exhibit variations in triglyceride levels, cholesterol, and blood pressure, which are also affected in MetS. Given the similarities in their underlying mechanisms, genetic factors, pro-inflammatory signalling pathways, and increased oxidative stress, this study aims to highlight the common traits between vitiligo and metabolic systemic disorders. Serum analyses confirmed increased low-density lipoprotein (LDL) levels in patients with vitiligo, compared to physiological values. In addition, we reported significant decreases in folate and vitamin D (Vit D) levels. Oxidative stress is one of the underlying causes of the development of metabolic syndromes and is related to the advancement of skin diseases. This study found high levels of inflammatory cytokines, such as interleukin-6 (IL-6) and chemokine 10 (CXCL10), which are markers of inflammation and disease progression. The accumulation of insulin growth factor binding proteins 5 (IGFBP5) and advanced glycation end products (AGEs) entailed in atherosclerosis and diabetes onset, respectively, were also disclosed in vitiligo. In addition, the blood-associated activity of the antioxidant enzymes catalase (Cat) and superoxide dismutase (SOD) was impaired. Moreover, the plasma fatty acid (FAs) profile analysis showed an alteration in composition and specific estimated activities of FAs biosynthetic enzymes resembling MetS development, resulting in an imbalance towards pro-inflammatory n6-series FAs. These results revealed a systemic metabolic alteration in vitiligo patients that could be considered a new target for developing a more effective therapeutic approach.
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Affiliation(s)
- Federica Papaccio
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Monica Ottaviani
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Mauro Truglio
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Andrea D'Arino
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, 00144 Rome, Italy
| | - Silvia Caputo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Alessia Pacifico
- Clinical Dermatology, Phototherapy Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Paolo Iacovelli
- Clinical Dermatology, Phototherapy Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Anna Di Nardo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Mauro Picardo
- Istituto Dermopatico dell'Immacolata, IDI-IRCCS, 00167 Rome, Italy
| | - Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
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Zhang Z, Yang W, Chen J, Chen X, Gu Y. Efficacy and mechanism of Schisandra chinensis active component Gomisin A on diabetic skin wound healing: network pharmacology and in vivo experimental validation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 337:118828. [PMID: 39303965 DOI: 10.1016/j.jep.2024.118828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 09/06/2024] [Accepted: 09/12/2024] [Indexed: 09/22/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Schisandra chinensis (Turcz.) Baill., a common traditional Chinese herbal medicine, has been used for the treatment of diabetes mellitus and its complications. However, the major active component for treating diabetic foot ulcers, a serious complication of diabetes mellitus, was unclear. This study aimed to predict the treatment effect of the active components in Schisandra chinensis against diabetic skin wound using network pharmacology and to confirm the underlying mechanism using a diabetic skin wound model in vivo. AIM OF THE STUDY To study the effects and underlying mechanisms of Schisandra chinensis and its main component Gomisin A on diabetic skin wound healing by network pharmacology and high-fat diet (HFD)-induced obese mice model in vivo. MATERIALS AND METHODS To determine the effectiveness of Schisandra chinensis on diabetic skin wound, network pharmacology was first used. Components of Schisandra chinensis were obtained from the Traditional Chinese Medicine Systems Pharmacology database. The active components were further verified through absorption, distribution, metabolism and excretion. The potential targets of the active components were identified from the Traditional Chinese Medicine Systems Pharmacology, SwissTargetPrediction, TargetNet, and the Comparative Toxicogenomics Database. Targets related to diabetic skin wound were collected from the GeneCards, OMIM, DisGeNET, and PharmGKB databases. The interaction network formed by the intersection of the two datasets was analyzed using Gephi. Network-based proximity was used to predict the network distance between the active components of Schisandra chinensis and diabetic skin wound. Gomisin A was found to have the lowest Z-score and was administered either orally or via topical injection to HFD-induced obese mice daily until the wounds healed, and its effects on skin wound healing were evaluated. RESULTS Only five active ingredients of Schisandra chinensis were screened in our system: Gomisin A, Longikaurin A, Deoxyharringtonine, Wuweizisu C, and Interiotherin B, which can regulate biological processes related to diabetic skin wound, including positive regulation of phosphorous metabolic process, positive regulation of cell migration, and response to wounding. Network proximity analysis found that Gomisin A has the closest distance-based Z-score among the diabetic skin wound modules and drug targets in the human protein-protein interaction network. The HFD-induced obese mice model further revealed that Gomisin A accelerated skin wound healing by increasing insulin sensitivity and decreasing the advanced glycation end-products mediated toll-like receptor 4 (TLR4)-p38 MAPK-IL6 inflammation signaling pathway. CONCLUSIONS The network pharmacology and in vivo studies indicated that Gomisin A from Schisandra chinensis played a crucial role in improving diabetic skin wound healing.
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Affiliation(s)
- Zhongyu Zhang
- Clinical Research Center, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China; Department of Endocrinology, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Wenkui Yang
- Department of Endocrinology, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China
| | - Jiajia Chen
- Department of Endocrinology, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China
| | - Xuewen Chen
- Department of Pathology, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China
| | - Yong Gu
- Clinical Research Center, Hainan Hospital, Guangdong Provincial Hospital of Chinese Medicine, Haikou, Hainan, China.
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8
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Wu S, Zhou Z, Li Y, Jiang J. Advancements in diabetic foot ulcer research: Focus on mesenchymal stem cells and their exosomes. Heliyon 2024; 10:e37031. [PMID: 39286219 PMCID: PMC11403009 DOI: 10.1016/j.heliyon.2024.e37031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 08/11/2024] [Accepted: 08/26/2024] [Indexed: 09/19/2024] Open
Abstract
Diabetes represents a widely acknowledged global public health concern. Diabetic foot ulcer (DFU) stands as one of the most severe complications of diabetes, its occurrence imposing a substantial economic burden on patients, profoundly impacting their quality of life. Despite the deepening comprehension regarding the pathophysiology and cellular as well as molecular responses of DFU, the current therapeutic arsenal falls short of efficacy, failing to offer a comprehensive remedy for deep-seated chronic wounds and microvascular occlusions. Conventional treatments merely afford symptomatic alleviation or retard the disease's advancement, devoid of the capacity to effectuate further restitution of compromised vasculature and nerves. An escalating body of research underscores the prominence of mesenchymal stem cells (MSCs) owing to their paracrine attributes and anti-inflammatory prowess, rendering them a focal point in the realm of chronic wound healing. Presently, MSCs have been validated as a highly promising cellular therapeutic approach for DFU, capable of effectuating cellular repair, epithelialization, granulation tissue formation, and neovascularization by means of targeted differentiation, angiogenesis promotion, immunomodulation, and paracrine activities, thereby fostering wound healing. The secretome of MSCs comprises cytokines, growth factors, chemokines, alongside exosomes harboring mRNA, proteins, and microRNAs, possessing immunomodulatory and regenerative properties. The present study provides a systematic exposition on the etiology of DFU and elucidates the intricate molecular mechanisms and diverse functionalities of MSCs in the context of DFU treatment, thereby furnishing pioneering perspectives aimed at harnessing the therapeutic potential of MSCs for DFU management and advancing wound healing processes.
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Affiliation(s)
- ShuHui Wu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - ZhongSheng Zhou
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yang Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Jinlan Jiang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
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Xu X, Djohari KN, Jiang Y, Zhou W. Deciphering the inhibitory mechanisms of betanin and phyllocactin from Hylocereus polyrhizus peel on protein glycation, with insights into their application in bread. Food Chem 2024; 452:139594. [PMID: 38749142 DOI: 10.1016/j.foodchem.2024.139594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/27/2024] [Accepted: 05/07/2024] [Indexed: 06/01/2024]
Abstract
Protein glycation closely intertwines with the pathogenesis of various diseases, sparking a growing interest in exploring natural antiglycation agents. Herein, high-purity betacyanins (betanin and phyllocactin) derived from Hylocereus polyrhizus peel were studied for their antiglycation potential using an in vitro bovine serum albumin (BSA)-glucose model. Notably, betacyanins outperformed aminoguanidine, a recognized antiglycation agent, in inhibiting glycation product formation across different stages, especially advanced glycation end-products (AGEs). Interestingly, phyllocactin displayed stronger antiglycation activity than betanin. Subsequent mechanistic studies employing molecular docking analysis and fluorescence quenching assay unveiled that betacyanins interact with BSA endothermically and spontaneously, with hydrophobic forces playing a dominant role. Remarkably, phyllocactin demonstrated higher binding affinity and stability to BSA than betanin. Furthermore, the incorporation of betacyanins into bread dose-dependently suppressed AGEs formation during baking and shows promise for inhibiting in vivo glycation process post-consumption. Overall, this study highlights the substantial potential of betacyanins as natural antiglycation agents.
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Affiliation(s)
- Xiaojuan Xu
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117543, Republic of Singapore
| | - Kelly Natalia Djohari
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117543, Republic of Singapore
| | - Yingfen Jiang
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117543, Republic of Singapore
| | - Weibiao Zhou
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117543, Republic of Singapore; National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou Industrial Park, Jiangsu, 215123, China.
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10
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Vasarri M, Bergonzi MC, Ivanova Stojcheva E, Bilia AR, Degl’Innocenti D. Olea europaea L. Leaves as a Source of Anti-Glycation Compounds. Molecules 2024; 29:4368. [PMID: 39339362 PMCID: PMC11434099 DOI: 10.3390/molecules29184368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 09/04/2024] [Accepted: 09/08/2024] [Indexed: 09/30/2024] Open
Abstract
High concentrations of advanced glycation end products (AGEs) have been linked to diseases, including diabetic complications. The pathophysiological effects of AGEs are mainly due to oxidative stress and inflammatory processes. Among the proteins most affected by glycation are albumin, the most abundant circulating protein, and collagen, which has a long biological half-life and is abundant in the extracellular matrix. The potential cellular damage caused by AGEs underscores the importance of identifying and developing natural AGE inhibitors. Indeed, despite initial promise, many synthetic inhibitors have been withdrawn from clinical trials due to issues such as cytotoxicity and poor pharmacokinetics. In contrast, natural products have shown significant potential in inhibiting AGE formation. Olea europaea L. leaves, rich in bioactive compounds like oleuropein and triterpenoids, have attracted scientific interest, emphasizing the potential of olive leaf extracts in health applications. This study investigates the anti-glycation properties of two polyphenol-rich extracts (OPA40 and OPA70) and a triterpene-enriched extract (TTP70) from olive leaves. Using in vitro protein glycation methods with bovine serum albumin (BSA)-glucose and gelatin-glucose systems, this study assesses AGE formation inhibition by these extracts through native polyacrylamide gel electrophoresis (N-PAGE) and autofluorescence detection. OPA40 and OPA70 exhibited strong, dose-dependent anti-glycation effects. These effects were corroborated by electrophoresis and further supported by similar results in a gelatin-glucose system. Additionally, TTP70 showed moderate anti-glycation activity, with a synergistic effect of its components. The results support the real possibility of using olive leaf bioproducts in ameliorating diabetic complications, contributing to sustainable bio-economy practices.
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Affiliation(s)
- Marzia Vasarri
- Department of Chemistry, University of Florence, Via Ugo Schiff 6, 50139 Sesto Fiorentino, Italy; (M.V.); (A.R.B.)
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy;
| | - Maria Camilla Bergonzi
- Department of Chemistry, University of Florence, Via Ugo Schiff 6, 50139 Sesto Fiorentino, Italy; (M.V.); (A.R.B.)
| | | | - Anna Rita Bilia
- Department of Chemistry, University of Florence, Via Ugo Schiff 6, 50139 Sesto Fiorentino, Italy; (M.V.); (A.R.B.)
| | - Donatella Degl’Innocenti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy;
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Zhu D, Ni Y, Chen C, Dong Z, Wang L, Zhang W. Geniposide ameliorates diabetic nephropathy in type 2 diabetic mice by targeting AGEs-RAGE-dependent inflammatory pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 135:156046. [PMID: 39299095 DOI: 10.1016/j.phymed.2024.156046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 08/29/2024] [Accepted: 09/11/2024] [Indexed: 09/22/2024]
Abstract
BACKGROUND Diabetic nephropathy (DN) is a prevalent complication of diabetes mellitus and the primary cause of morbidity and mortality in end-stage renal disease. The receptor for advanced glycation end products (RAGE) plays a crucial role in mediating AGE-triggered inflammation, which has been implicated in DN pathogenesis. While geniposide, a natural compound, has demonstrated anti-inflammatory and hypoglycemic properties, its potential to mitigate AGE-induced renal inflammation and consequently impede DN progression remains unexplored. PURPOSE The objective of this study was to ascertain whether geniposide is a novel natural AGEs-RAGE blocker and to investigate its protective effect on renal DN in type 2 diabetic mice. METHODS Binding affinity between geniposide and RAGE was assessed using MicroScale Thermophoresis (MST), molecular docking, and co-immunoprecipitation. RAGE was then subjected to knockdown and overexpression in cellular experiments to evaluate geniposide's effects on AGE-induced inflammatory responses and the RAGE pathway. Finally, db/db mice were employed to validate the renoprotective effects of geniposide in DN. RESULTS Geniposide exhibited higher binding affinity to RAGE's V domain than AGEs, competitively inhibiting AGEs-RAGE interaction through hydrogen bonding. It suppressed RAGE expression and RAGE-dependent inflammatory responses to AGEs, comparable to RAGE siRNA effects. In RAGE-overexpressing cells, geniposide further inhibited AGEs-induced ERK1/2 and NFκB P65 activation, reducing inflammatory marker levels. Long-term oral administration of geniposide to db/db mice improved plasma creatinine, urea, and proteinuria levels, ameliorated pathological changes, and downregulated inflammatory factors such as TNF-α and IL-1β. Moreover, it dose-dependently attenuated enhanced renal expression of RAGE, phosphorylated ERK1/2, IκB-α, and NF-κB P65. CONCLUSION Geniposide effectively attenuates AGEs-induced RAGE activation by directly blocking AGEs-RAGE signal transduction, thereby mitigating inflammatory responses. These findings suggest that geniposide has potential as a high-affinity RAGE antagonist, potentially playing a crucial role in the treatment of DN.
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Affiliation(s)
- Dina Zhu
- Engineering Research Center of Natural Medicine, Ministry of Education, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China; Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China; Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China
| | - Ying Ni
- Engineering Research Center of Natural Medicine, Ministry of Education, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China; Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China; Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China
| | - Chao Chen
- Engineering Research Center of Natural Medicine, Ministry of Education, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China; Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China; Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China
| | - Zhaoqi Dong
- Department of Neurobiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, PR China
| | - Lei Wang
- Engineering Research Center of Natural Medicine, Ministry of Education, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China; Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China; Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China
| | - Wensheng Zhang
- Engineering Research Center of Natural Medicine, Ministry of Education, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China; Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China; Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University at Zhuhai, Zhuhai, 519087, PR China.
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12
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Mirnic J, Djuric M, Brkic S, Gusic I, Stojilkovic M, Tadic A, Veljovic T. Pathogenic Mechanisms That May Link Periodontal Disease and Type 2 Diabetes Mellitus-The Role of Oxidative Stress. Int J Mol Sci 2024; 25:9806. [PMID: 39337292 PMCID: PMC11432179 DOI: 10.3390/ijms25189806] [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: 08/12/2024] [Revised: 09/04/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
Given the posited role of oxidative stress in the pathogenesis of both periodontitis and type 2 diabetes mellitus (T2DM), it may also serve as a link between these highly prevalent chronic inflammatory diseases. This view is supported by an ample body of evidence indicating that the severity and progression of periodontitis is in part driven by diabetes, while periodontal infection may hinder the attainment of adequate glycemic control in diabetic patients. Thus, this review focuses on the potential synergistic interactions along the oxidative stress-inflammation pathway characterizing both conditions. Because periodontitis and T2DM share the same risk factors and compromise patients' quality of life, to develop effective strategies for combatting both conditions, their mutual influence needs to be explored.
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Affiliation(s)
- Jelena Mirnic
- Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.S.); (T.V.)
| | - Milanko Djuric
- Dentistry Clinic of Vojvodina, Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.D.); (I.G.); (A.T.)
| | - Snezana Brkic
- Clinic for Infectious Diseases, Clinical Centre of Vojvodina, Department of Infectious Diseases, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia;
| | - Ivana Gusic
- Dentistry Clinic of Vojvodina, Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.D.); (I.G.); (A.T.)
| | - Marija Stojilkovic
- Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.S.); (T.V.)
| | - Ana Tadic
- Dentistry Clinic of Vojvodina, Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.D.); (I.G.); (A.T.)
| | - Tanja Veljovic
- Department of Dental Medicine, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia; (M.S.); (T.V.)
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13
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Chen Y, Meng Z, Li Y, Liu S, Hu P, Luo E. Advanced glycation end products and reactive oxygen species: uncovering the potential role of ferroptosis in diabetic complications. Mol Med 2024; 30:141. [PMID: 39251935 PMCID: PMC11385660 DOI: 10.1186/s10020-024-00905-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 08/19/2024] [Indexed: 09/11/2024] Open
Abstract
Advanced glycation end products (AGEs) are a diverse range of compounds that are formed when free amino groups of proteins, lipids, and nucleic acids are carbonylated by reactive carbonyl species or glycosylated by reducing sugars. Hyperglycemia in patients with diabetes can cause an overabundance of AGEs. Excess AGEs are generally acknowledged as major contributing factors to the development of diabetic complications because of their ability to break down the extracellular matrix directly and initiate intracellular signaling pathways by binding to the receptor for advanced glycation end products (RAGE). Inflammation and oxidative stress are the two most well-defined pathophysiological states induced by the AGE-RAGE interaction. In addition to oxidative stress, AGEs can also inhibit antioxidative systems and disturb iron homeostasis, all of which may induce ferroptosis. Ferroptosis is a newly identified contributor to diabetic complications. This review outlines the formation of AGEs in individuals with diabetes, explores the oxidative damage resulting from downstream reactions of the AGE-RAGE axis, and proposes a novel connection between AGEs and the ferroptosis pathway. This study introduces the concept of a vicious cycle involving AGEs, oxidative stress, and ferroptosis in the development of diabetic complications.
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Affiliation(s)
- Yanchi Chen
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Zihan Meng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yong Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Shibo Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Pei Hu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - En Luo
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
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14
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Oliveira LR, Pinheiro MR, Tuchina DK, Timoshina PA, Carvalho MI, Oliveira LM. Light in evaluation of molecular diffusion in tissues: Discrimination of pathologies. Adv Drug Deliv Rev 2024; 212:115420. [PMID: 39096937 DOI: 10.1016/j.addr.2024.115420] [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: 05/22/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024]
Abstract
The evaluation of the diffusion properties of different molecules in tissues is a subject of great interest in various fields, such as dermatology/cosmetology, clinical medicine, implantology and food preservation. In this review, a discussion of recent studies that used kinetic spectroscopy measurements to evaluate such diffusion properties in various tissues is made. By immersing ex vivo tissues in agents or by topical application of those agents in vivo, their diffusion properties can be evaluated by kinetic collimated transmittance or diffuse reflectance spectroscopy. Using this method, recent studies were able to discriminate the diffusion properties of agents between healthy and diseased tissues, especially in the cases of cancer and diabetes mellitus. In the case of cancer, it was also possible to evaluate an increase of 5% in the mobile water content from the healthy to the cancerous colorectal and kidney tissues. Considering the application of some agents to living organisms or food products to protect them from deterioration during low temperature preservation (cryopreservation), and knowing that such agent inclusion may be reversed, some studies in these fields are also discussed. Considering the broadband application of the optical spectroscopy evaluation of the diffusion properties of agents in tissues and the physiological diagnostic data that such method can acquire, further studies concerning the optimization of fruit sweetness or evaluation of poison diffusion in tissues or antidote application for treatment optimization purposes are indicated as future perspectives.
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Affiliation(s)
- Luís R Oliveira
- Department of Public and Environmental Health, Polytechnic of Porto - School of Health (ESS), Porto, Portugal
| | - Maria R Pinheiro
- Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), Porto, Portugal
| | - Daria K Tuchina
- Institute of Physics and Science Medical Center, Saratov State University, Saratov, Russian Federation; Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, Tomsk, Russian Federation
| | - Polina A Timoshina
- Institute of Physics and Science Medical Center, Saratov State University, Saratov, Russian Federation; Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, Tomsk, Russian Federation; Lomonosov Moscow State University, Moscow, Russian Federation
| | - Maria I Carvalho
- Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), Porto, Portugal; Department of Electrical and Computer Engineering, Porto University - Faculty of Engineering, Porto, Portugal
| | - Luís M Oliveira
- Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), Porto, Portugal; Physics Department, Polytechnic of Porto - School of Engineering (ISEP), Porto, Portugal.
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15
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Bar S, Kara M. Linalool exerts antioxidant activity in a rat model of diabetes by increasing catalase activity without antihyperglycemic effect. Exp Ther Med 2024; 28:359. [PMID: 39071903 PMCID: PMC11273359 DOI: 10.3892/etm.2024.12648] [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: 02/15/2024] [Accepted: 06/20/2024] [Indexed: 07/30/2024] Open
Abstract
Diabetes mellitus (DM) is a prevalent metabolic disorder often accompanied by oxidative stress, which contributes to various diabetic complications. Investigating the antioxidant activity of linalool (LIN) is crucial as it may offer a natural therapeutic approach to mitigate oxidative damage in DM. The aim of the present study was to investigate the antioxidant activity of LIN in a DM rat model. A total of 40 male Wistar albino rats (age, 8 weeks; weight, 250-300 g) were used. CONTROL and DM groups were administered physiological saline solution by oral gavage for 21 days. In rats in the DM + LIN and LIN groups, 100 mg/kg LIN was administered intragastrically after streptozotocin injection (n=10 per group). In the first (48 h after STZ injection), second (1 week later), third (2 weeks later), and fourth (3 weeks later) blood glucose measurements, a statistically significant increase was found in the blood glucose values of the DM and DM + LIN groups compared with those of the CONTROL group. During the 21-day experimental period, there was no reduction in blood glucose levels of the DM + LIN group. Consequently, no discernible anti-hyperglycemic effect of LIN was observed. Catalase enzyme activity, superoxide dismutase (SOD) enzyme activity, malondialdehyde (MDA) levels and glutathione (GSH) levels were measured spectrophotometrically. All assays were conducted according to the protocols provided in the respective kits. The results were analyzed to assess the oxidative status and antioxidant capacity in the experimental groups. Catalase (CAT) activity was decreased in the DM group compared with that in the CONTROL group in both the serum and liver. However, LIN administration restored CAT activity in the DM + LIN group to the level of the CONTROL group. In the liver, the DM + LIN-treated group showed a notable reduction in malondialdehyde (MDA) levels compared with those in the DM group. In conclusion, the present results suggest that the antioxidant properties of LIN may have a regulatory effect on the oxidative status in diabetes-affected systems, potentially offering therapeutic benefits in managing oxidative stress associated with diabetes.
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Affiliation(s)
- Sezer Bar
- Department of Medical Biochemistry, Medicine Faculty of Karabük University, 78000 Karabük, Turkey
| | - Mehmet Kara
- Department of Medical Biochemistry, Medicine Faculty of Karabük University, 78000 Karabük, Turkey
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16
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Wu Y, Zhong J, Wang J, Li H, Chen X, Xia X, Zhou J. Cinnamaldehyde protects SH-SY5Y cells against advanced glycation end-products induced ectopic cell cycle re-entry. J Pharmacol Sci 2024; 156:1-8. [PMID: 39068030 DOI: 10.1016/j.jphs.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/13/2024] [Accepted: 06/17/2024] [Indexed: 07/30/2024] Open
Abstract
Accumulation of advanced glycation end-products (AGEs) in the brain contributes significantly to cognitive impairment in patients with diabetes by disrupting the post-mitotic state of neuronal cells, thereby triggering ectopic cell cycle re-entry (CCR) and subsequent neuronal apoptosis. Cinnamaldehyde (CINA), a potential mitigator of cognitive impairment due to its blood glucose-lowering properties, warrants exploration for its role in counteracting diabetes-related neurological damage. In this study, we examined the neuroprotective effect of CINA on AGE-damaged SH-SY5Y human neuroblastoma cells differentiated in vitro. We investigated the impact of CINA on AGE-induced neuronal CCR and apoptosis, finding that it substantially suppressed aberrant DNA replication, precluded cells from entering the mitotic preparatory phase, and diminished apoptosis. Additionally, CINA inhibited the expression of eIF4E without altering S6K1 phosphorylation. These findings indicate that CINA safeguards neuronal cells from AGE-related damage by preventing abnormal CCR, preserving the post-mitotic state of neuronal cells, and reducing AGE-induced apoptosis, potentially through the inhibition of eIF4E-controlled cell proliferation. Our results highlight the prospective utility of CINA in managing diabetic neuropathy.
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Affiliation(s)
- Yijing Wu
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Jing Zhong
- School of Basic Medicine, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Jiaqi Wang
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Hemei Li
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Xiuting Chen
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Xing Xia
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China; Key Laboratory of TCM Neuro-metabolism and Immunopharmacology of Guangxi Education Department, Guangxi University of Chinese Medicine, Nanning, 530200, China.
| | - Jinling Zhou
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China; Key Laboratory of TCM Neuro-metabolism and Immunopharmacology of Guangxi Education Department, Guangxi University of Chinese Medicine, Nanning, 530200, China.
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17
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Zhang X, Chen J, Lin R, Huang Y, Wang Z, Xu S, Wang L, Chen F, Zhang J, Pan K, Yin Z. Lactate drives epithelial-mesenchymal transition in diabetic kidney disease via the H3K14la/KLF5 pathway. Redox Biol 2024; 75:103246. [PMID: 38925041 PMCID: PMC11255112 DOI: 10.1016/j.redox.2024.103246] [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: 05/20/2024] [Revised: 06/07/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
High levels of urinary lactate are an increased risk of progression in patients with diabetic kidney disease (DKD). However, it is still unveiled how lactate drive DKD. Epithelial-mesenchymal transition (EMT), which is characterized by the loss of epithelial cells polarity and cell-cell adhesion, and the acquisition of mesenchymal-like phenotypes, is widely recognized a critical contributor to DKD. Here, we found a switch from oxidative phosphorylation (OXPHOS) toward glycolysis in AGEs-induced renal tubular epithelial cells, thus leading to elevated levels of renal lactic acid. We demonstrated that reducing the lactate levels markedly delayed EMT progression and improved renal tubular fibrosis in DKD. Mechanically, we observed lactate increased the levels of histone H3 lysine 14 lactylation (H3K14la) in DKD. ChIP-seq & RNA-seq results showed histone lactylation contributed to EMT process by facilitating KLF5 expression. Moreover, KLF5 recognized the promotor of cdh1 and inhibited its transcription, which accelerated EMT of DKD. Additionally, nephro-specific knockdown and pharmacological inhibition of KLF5 diminished EMT development and attenuated DKD fibrosis. Thus, our study provides better understanding of epigenetic regulation of DKD pathogenesis, and new therapeutic strategy for DKD by disruption of the lactate-drived H3K14la/KLF5 pathway.
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Affiliation(s)
- Xuanxuan Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Jicong Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Ruohui Lin
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Yaping Huang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Ziyuan Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Susu Xu
- Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjin, 211200, China
| | - Lei Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Fang Chen
- Key Laboratory of Human Functional Genomics of Jiangsu Province, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Jian Zhang
- Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjin, 211200, China; Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, China.
| | - Ke Pan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China.
| | - Zhiqi Yin
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China.
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18
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Sangappa SB, Mysore Babu H, C Savadi R, Jithendra A. Diagnostic accuracy of salivary hemoglobin, lactate dehydrogenase and Interleukin-6 to determine chronic periodontitis and tooth loss in type 2 diabetics. J Oral Biol Craniofac Res 2024; 14:606-613. [PMID: 39246630 PMCID: PMC11379658 DOI: 10.1016/j.jobcr.2024.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/16/2024] [Accepted: 08/06/2024] [Indexed: 09/10/2024] Open
Abstract
Background Salivary Hemoglobin (SH) has emerged as the mainstay non-invasive and a practicable screening method for Chronic Periodontitis. Current research aims to comprehensively assess the diagnostic value of Salivary Hb (SH) in comparison with Salivary IL-6 (SIL-6) and levels of Salivary lactate dehydrogenase enzyme (SLDH) amongst Type II Diabetes subjects having Chronic Periodontitis (CP) and associated tooth loss. Materials and methods In this cross-sectional comparative investigation, 240 individuals with at least 15 remaining teeth, ranging in age from 30 to 70, were chosen and Group I controls were defined as follows: healthy (HbA1c levels ≤6.4 %) with no CP; Group II included chronic periodontitis and non-T2DM (HbA1c ≤ 6.4 %); Group III included T2DM (HbA1c ≥ 6.5 %) and CP; and Group IV included T2DM (HbA1c ≥ 6.5 %) with periodontitis-related tooth loss. ELISA colorimetric assay was used to quantify the results using the unstimulated whole saliva of fasting participants. Tukey's post hoc test was used for statistical analysis following Analysis of Variance (ANOVA), and Sensitivity and Specificity were computed following the determination of the correlation coefficient. Results One-way ANOVA comparing Biomarker levels across the four groups revealed a statistically significant difference (F = 68.013) (p = 0.0001). Tukey's multiple post hoc yielded a significant difference between groups with least mean average biomarker levels observed among the controls (Group1) and maximum with group IV. Diagnostic Accuracy to discriminate between CP in T2DM & Controls with SH surpassed that of SIL-6 & SLDH, Receiver operating characteristic (ROC) curve depicted an overall sensitivity of 67.62 %, specificity of 80 % and accuracy of 74 % in T2DM subjects with tooth loss for the identification and assessment of CP. Conclusion Estimates of Salivary Hemoglobin can assume an important role in comparison to SIL-6 & SLDH in determining the degree of periodontitis, including tooth loss, and identifying elevated glycemic levels. Advanced detection and monitoring can be ensured by routine use in dental offices and general practice.
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Affiliation(s)
- Sunila Bukanakere Sangappa
- Department of Prosthodontics, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysuru, Karnataka, 570015, India
| | - Harsha Mysore Babu
- Department of Periodontics, Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India
| | | | - Ashwini Jithendra
- Mysore Medical College and Research Institute, Irwin Road, Mysore, 570001, India
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Xu ZY, Fu SX, Zhao HC, Wang YM, Liu Y, Ma JY, Yu Y, Zhang JL, Han ZP, Zheng MX. Dynamic changes in key factors of the blood-brain barrier in early diabetic mice. J Neuropathol Exp Neurol 2024; 83:763-771. [PMID: 38874450 DOI: 10.1093/jnen/nlae056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024] Open
Abstract
Chronic hyperglycemia can result in damage to the hippocampus and dysfunction of the blood-brain barrier (BBB), potentially leading to neurological disorders. This study examined the histological structure of the hippocampus and the expression of critical genes associated with the BBB at 2 early stage time points in a streptozotocin-induced diabetes mellitus (DM) mouse model. Routine histology revealed vascular congestion and dilation of Virchow-Robin spaces in the hippocampal CA1 region of the DM group. Neuronal alterations included rounding and swelling and reduction in Nissl bodies and increased apoptosis. Compared to the control group, TJP1 mRNA expression in the DM group was significantly lower (P < .05 or P < .01), while mRNA levels of JAM3, TJP3, CLDN5, CLDN3, and OCLN initially increased and then decreased. At 7, 14, and 21 days, mRNA levels of the receptor for advanced glycation end products (AGER) were greater in the DM group than in the control group (P < .05 or P < .01). These findings indicate that early-stage diabetes may cause structural and functional impairments in hippocampal CA1 in mice. These abnormalities may parallel alterations in the expression of key BBB tight junction molecules and elevated AGER expression in early DM patients.
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Affiliation(s)
- Zhi-Yong Xu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Shu-Xian Fu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Hui-Chao Zhao
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Yin-Min Wang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Yan Liu
- The 83rd Army Group Hospital of the Chinese People's Liberation Army, Xinxiang, China
| | - Jin-You Ma
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Yan Yu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Jia-Le Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Zhan-Peng Han
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Ming-Xue Zheng
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
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Yu J, Tian N, Hu Y, Jin T. RANKL/RANK contributes to the pathological process of type 2 diabetes mellitus through TRAF3 activation of NIK. Int Immunopharmacol 2024; 142:113008. [PMID: 39217877 DOI: 10.1016/j.intimp.2024.113008] [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: 07/24/2024] [Revised: 08/20/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Diabetic osteoporosis is a complication of diabetes mellitus (DM). Denosumab (DMB) is an effective anti-osteoporotic drug functions by inhibiting NF-κB ligand receptor-activating factor (RANKL). Previous study found that osteoprotegerin (OPG) regulated βcell homeostasis through the RNAK/RANKL pathway. The present study aimed to investigate the effect of RANKL/RANK on the pathological process of DM and the underlying mechanism. We used D-glucose-induced RINm5F cells to construct in vitro type 2 diabetes models (T2DM). A high-fat diet combined with intraperitoneal injection of streptozotocin (STZ) was used to establish a T2DM model in SD rats. The apoptosis of β-cells was determined by TdT-mediated dUTP nick-end labeling (TUNEL) analysis. qRT-PCR and western blotting assays were used to explore the mRNA and protein expression of the TRAF3 (Tumor necrosis factor receptor-associated factor)/NIK (NF-κB-inducible kinase) pathway. Furthermore, insulin expression was detected by ELISA and immunohistochemistry assay. The islet morphology was analyzed by H&E. In vivo experiments demonstrated that sRANKL-IN-3 down-regulated insulin secretion levels by significantly ameliorating pancreatic tissue damage and mitigating apoptosis of high glucose induced β-cells. Subsequently, sRANKL-IN-3, acting as an inhibitor of RANKL, mitigated functional decline in β-cells induced by high glucose, mainly manifested by the low expression of PDX-1 (pancreatic duodenal homeobox 1), BETA2 (beta-2 adrenoceptors), INS-1 (insulin 1), and INS-2 (insulin 2). Mechanistic studies revealed that deletion of TRAF3 combined with sRANKL-IN-3 administration reduced the activity of NIK, NF-κB2, and RelB in RINm5F cells. In addition, our study demonstrated that inhibition of either RANKL or TRAF3 had a protective effect on high glucose induced apoptosis. Moreover, the combined action of sRANKL-IN-3 and shTRAF3 had a more pronounced inhibitory effect on high glucose-induced apoptosis. In summary, RANKL/RANK deficiency may attenuate apoptosis of β-cells, a phenomenon associated with the TRAF3/NIK pathway. Therefore, RANKL/RANK could be regarded as a potential therapeutic strategy for DM.
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Affiliation(s)
- Junxia Yu
- The Cadre Ward, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, Xi'an, Shaanxi Province 710004, China.
| | - Ningyan Tian
- The Cadre Ward, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, Xi'an, Shaanxi Province 710004, China
| | - Yanfen Hu
- The Cadre Ward, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, Xi'an, Shaanxi Province 710004, China
| | - Ting Jin
- Department of Anesthesiology, Hancheng People's Hospital, Hancheng, Shaanxi 715499, China
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21
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Yapislar H, Gurler EB. Management of Microcomplications of Diabetes Mellitus: Challenges, Current Trends, and Future Perspectives in Treatment. Biomedicines 2024; 12:1958. [PMID: 39335472 PMCID: PMC11429415 DOI: 10.3390/biomedicines12091958] [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: 07/30/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 09/30/2024] Open
Abstract
Diabetes mellitus is a chronic metabolic disorder characterized by high blood sugar levels, which can lead to severe health issues if not managed effectively. Recent statistics indicate a significant global impact, with 463 million adults diagnosed worldwide and this projected to rise to 700 million by 2045. Type 1 diabetes is an autoimmune disorder where the immune system attacks pancreatic beta cells, reducing insulin production. Type 2 diabetes is primarily due to insulin resistance. Both types of diabetes are linked to severe microvascular and macrovascular complications if unmanaged. Microvascular complications, such as diabetic retinopathy, nephropathy, and neuropathy, result from damage to small blood vessels and can lead to organ and tissue dysfunction. Chronic hyperglycemia plays a central role in the onset of these complications, with prolonged high blood sugar levels causing extensive vascular damage. The emerging treatments and current research focus on various aspects, from insulin resistance to the intricate cellular damage induced by glucose toxicity. Understanding and intervening in these pathways are critical for developing effective treatments and managing diabetes long term. Furthermore, ongoing health initiatives, such as increasing awareness, encouraging early detection, and improving treatments, are in place to manage diabetes globally and mitigate its impact on health and society. These initiatives are a testament to the collective effort to combat this global health challenge.
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Affiliation(s)
- Hande Yapislar
- Department of Physiology, Faculty of Medicine, Acibadem University, 34752 Istanbul, Türkiye
| | - Esra Bihter Gurler
- Department of Basic Sciences, Faculty of Dentistry, Istanbul Galata University, 34430 Istanbul, Türkiye
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22
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Prud’homme GJ, Wang Q. Anti-Inflammatory Role of the Klotho Protein and Relevance to Aging. Cells 2024; 13:1413. [PMID: 39272986 PMCID: PMC11394293 DOI: 10.3390/cells13171413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 08/17/2024] [Accepted: 08/23/2024] [Indexed: 09/15/2024] Open
Abstract
The α-Klotho protein (hereafter Klotho) is an obligate coreceptor for fibroblast growth factor 23 (FGF23). It is produced in the kidneys, brain and other sites. Klotho insufficiency causes hyperphosphatemia and other anomalies. Importantly, it is associated with chronic pathologies (often age-related) that have an inflammatory component. This includes atherosclerosis, diabetes and Alzheimer's disease. Its mode of action in these diseases is not well understood, but it inhibits or regulates multiple major pathways. Klotho has a membrane form and a soluble form (s-Klotho). Cytosolic Klotho is postulated but not well characterized. s-Klotho has endocrine properties that are incompletely elucidated. It binds to the FGF receptor 1c (FGFR1c) that is widely expressed (including endothelial cells). It also attaches to soluble FGF23, and FGF23/Klotho binds to FGFRs. Thus, s-Klotho might be a roaming FGF23 coreceptor, but it has other functions. Notably, Klotho (cell-bound or soluble) counteracts inflammation and appears to mitigate related aging (inflammaging). It inhibits NF-κB and the NLRP3 inflammasome. This inflammasome requires priming by NF-κB and produces active IL-1β, membrane pores and cell death (pyroptosis). In accord, Klotho countered inflammation and cell injury induced by toxins, damage-associated molecular patterns (DAMPs), cytokines, and reactive oxygen species (ROS). s-Klotho also blocks the TGF-β receptor and Wnt ligands, which lessens fibrotic disease. Low Klotho is associated with loss of muscle mass (sarcopenia), as occurs in aging and chronic diseases. s-Klotho counters the inhibitory effects of myostatin and TGF-β on muscle, reduces inflammation, and improves muscle repair following injury. The inhibition of TGF-β and other factors may also be protective in diabetic retinopathy and age-related macular degeneration (AMD). This review examines Klotho functions especially as related to inflammation and potential applications.
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Affiliation(s)
- Gérald J. Prud’homme
- Department of Laboratory Medicine and Pathobiology, University of Toronto, 220 Walmer Rd, Toronto, ON M5R 3R7, Canada
- Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Unity Health Toronto, Toronto, ON M5B 1W8, Canada
| | - Qinghua Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Shanghai Medical School, Fudan University, Shanghai 200030, China
- Shanghai Innogen Pharmaceutical Co., Ltd., Shanghai 201318, China
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23
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Wang L, Xie H, Liu Y, Zou Z. A nomogram including admission serum glycated albumin/albumin ratio to predict mortality in patients with severe fever with thrombocytopenia syndrome. BMC Infect Dis 2024; 24:858. [PMID: 39179974 PMCID: PMC11342538 DOI: 10.1186/s12879-024-09752-9] [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: 09/20/2023] [Accepted: 08/12/2024] [Indexed: 08/26/2024] Open
Abstract
BACKGROUND Severe fever with thrombocytopenia syndrome (SFTS) is a novel tick-borne infectious disease with a high fatality rate. Although several nomograms based on demographic and laboratory data have been reported to predict the prognosis of SFTS in recent studies, baseline serum glycated albumin (GA)/albumin (ALB) ratio included risk model has not been evaluated for the prediction of clinical outcome. METHODS A total of 214 SFTS patients with integral data admitted to our hospital from May, 2020 to November, 2022 were included in this study. SFTS infection was confirmed by real time fluorescent quantitative PCR (qRT-PCR). The demographic characteristics, clinical and laboratory data were collected with in 24 h of admission and 1 to 2 days before discharge and were analysed retrospectively. RESULTS Fiffty-seven patients (26.6%) died. Multivariate logistic regression analysis showed that age, aspartate aminotransferase (AST), blood glucose (GLU), GA/ALB ratio, neutrophil counts (NEU) and lymphocyte percentage (LYM%) were the independent risk factors for mortality. A nomogram by these factors was created using RMS package in the R program. Area under the receiver operating characteristic (ROC) curve (AUC) of this nomogram was 0.88 (95% CI: 0.83, 0.93). This model showed the excellent net benefit, as revealed by the decision curve analysis. GA/ALB ratios were also independent risk factors for poor out clinical come in subgroups of patients with hyperglycemia on admission and with diabetes history. Nomograms were constructed by the independent risk factors in the subgroups. AUCs of the nomograms in the subgroups showed high predictive values for adverse prognosis. CONCLUSIONS GA/ALB ratios were independent risk factors for mortality in all SFTS patients and subgroups of with hyperglycemia on admission and diabetes history. The nomograms including GA/ALB ratio had high predictive value for adverse clinical outcome.The nomograms provide a basis for clinical decision-making for the treatment of SFTS patients in different clinical settings.
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Affiliation(s)
- Li Wang
- Department of Clinical Laboratory, Qishan Hospital of Yantai, 62 Huanshan Road, Zhifu District, Yantai, 264001, Shandong, The People's Republic of China.
| | - Hui Xie
- Department of Infectious disease, Qishan Hospital of Yantai, 62 Huanshan Road, Zhifu District, Yantai, 264001, Shandong, The People's Republic of China
| | - Youde Liu
- Department of Infectious disease, Qishan Hospital of Yantai, 62 Huanshan Road, Zhifu District, Yantai, 264001, Shandong, The People's Republic of China
| | - Zhiqiang Zou
- Department of Infectious disease, Qishan Hospital of Yantai, 62 Huanshan Road, Zhifu District, Yantai, 264001, Shandong, The People's Republic of China
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Wang K. The potential therapeutic role of curcumin in osteoporosis treatment: based on multiple signaling pathways. Front Pharmacol 2024; 15:1446536. [PMID: 39175539 PMCID: PMC11338871 DOI: 10.3389/fphar.2024.1446536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Accepted: 07/29/2024] [Indexed: 08/24/2024] Open
Abstract
Osteoporosis is a common chronic metabolic bone disease caused by disturbances in normal bone metabolism and an imbalance between osteoblasts and osteoclasts. Osteoporosis is characterized by a decrease in bone mass and bone density, leading to increased bone fragility. Osteoporosis is usually treated with medications and surgical methods, but these methods often produce certain side effects. Therefore, the use of traditional herbal ingredients for the treatment of osteoporosis has become a focus of attention and a hot topic in recent years. Curcumin, widely distributed among herbs such as turmeric, tulip, and curcuma longa, contains phenolic, terpenoid, and flavonoid components. Modern pharmacological studies have confirmed that curcumin has a variety of functions including antioxidant and anti-inflammatory properties. In addition, curcumin positively regulates the differentiation and promotes the proliferation of osteoblasts, which play a crucial role in bone formation. Multiple studies have shown that curcumin is effective in the treatment of osteoporosis as it interacts with a variety of signaling pathway targets, thereby interfering with the formation of osteoblasts and osteoclasts and regulating the development of osteoporosis. This review summarized the key signaling pathways and their mechanisms of action of curcumin in the prevention and treatment of osteoporosis and analyzed their characteristics and their relationship with osteoporosis and curcumin. This not only proves the medicinal value of curcumin as a traditional herbal ingredient but also further elucidates the molecular mechanism of curcumin's anti-osteoporosis effect, providing new perspectives for the prevention and treatment of osteoporosis through multiple pathways.
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Affiliation(s)
- Keyu Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
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25
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Chen G, Sun J, Dai Q, Sun M, Hu P. Polysaccharides from Seedless Chestnut Rose ( Rosa sterilis) Fruits: Insights into Innovative Drying Technologies and Their Structural Characteristics, Antioxidant, Antiglycation, and α-Glucosidase Inhibitory Activities. Foods 2024; 13:2483. [PMID: 39200410 PMCID: PMC11353437 DOI: 10.3390/foods13162483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 07/31/2024] [Accepted: 08/06/2024] [Indexed: 09/02/2024] Open
Abstract
The selection of an optimal drying method is essential for extending the shelf life and enhancing the quality of Rosa sterilis fruits. This study investigated the effects of both innovative (microwave vacuum drying and infrared drying) and traditional (freeze-drying and hot air drying) techniques on the structural characteristics and bioactivities of polysaccharides from R. sterilis fruits (RSPs). Four different RSPs were obtained from fruits dried using these methods. Results demonstrated that the structural characteristics and bioactivities of RSPs varied significantly with the drying method. Notable differences were observed in extraction yield, total sugar, uronic acid content, monosaccharide molar ratios, molecular weight distribution, particle size, thermal stability, and microstructures of RSPs. Despite these variations, the types of constituent monosaccharides and major glycosidic linkages remained consistent across all methods. Notably, RSPs obtained via microwave vacuum drying (RSPs-MVD) showed a higher uronic acid content and lower molecular weight, and exhibited stronger in vitro antioxidant, α-glucosidase inhibitory, and antiglycation activities. These findings suggest that microwave vacuum drying is an effective pre-drying technique for extracting RSPs, making them suitable as bioactive ingredients in functional foods and pharmaceuticals for managing diabetes mellitus and its complications.
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Affiliation(s)
- Guangjing Chen
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (J.S.); (Q.D.); (M.S.)
| | - Juyan Sun
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (J.S.); (Q.D.); (M.S.)
| | - Qinghua Dai
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (J.S.); (Q.D.); (M.S.)
| | - Meiwen Sun
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (J.S.); (Q.D.); (M.S.)
| | - Peng Hu
- School of Pharmacy, Hunan Traditional Chinese Medical College, Zhuzhou 412012, China
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Nam U, Kim J, Yi HG, Jeon JS. Investigation of the Dysfunction Caused by High Glucose, Advanced Glycation End Products, and Interleukin-1 Beta and the Effects of Therapeutic Agents on the Microphysiological Artery Model. Adv Healthc Mater 2024; 13:e2302682. [PMID: 38575148 DOI: 10.1002/adhm.202302682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 03/31/2024] [Indexed: 04/06/2024]
Abstract
Diabetes mellitus (DM) has substantial global implications and contributes to vascular inflammation and the onset of atherosclerotic cardiovascular diseases. However, translating the findings from animal models to humans has inherent limitations, necessitating a novel platform. Therefore, herein, an arterial model is established using a microphysiological system. This model successfully replicates the stratified characteristics of human arteries by integrating collagen, endothelial cells (ECs), and vascular smooth muscle cells (VSMCs). Perfusion via a peristaltic pump shows dynamic characteristics distinct from those of static culture models. High glucose, advanced glycation end products (AGEs), and interleukin-1 beta are employed to stimulate diabetic conditions, resulting in notable cellular changes and different levels of cytokines and nitric oxide. Additionally, the interactions between the disease models and oxidized low-density lipoproteins (LDL) are examined. Finally, the potential therapeutic effects of metformin, atorvastatin, and diphenyleneiodonium are investigated. Metformin and diphenyleneiodonium mitigate high-glucose- and AGE-associated pathological changes, whereas atorvastatin affects only the morphology of ECs. Altogether, the arterial model represents a pivotal advancement, offering a robust and insightful platform for investigating cardiovascular diseases and their corresponding drug development.
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Affiliation(s)
- Ungsig Nam
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
- Center for Scientific Instrumentation, Korea Basic Science Institute (KBSI), Daejeon, 34133, Republic of Korea
| | - Jaesang Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Hee-Gyeong Yi
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Jessie S Jeon
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
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27
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Sagaltici DA, Kurt E, Seymenoglu RG, Mayali H, Hekimsoy Z. The Effect of Diabetic Retinopathy and Blood Glucose Regulation on Corneal Biomechanical Parameters. Curr Eye Res 2024; 49:792-797. [PMID: 38587365 DOI: 10.1080/02713683.2024.2338219] [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: 09/30/2023] [Accepted: 03/28/2024] [Indexed: 04/09/2024]
Abstract
PURPOSE The aim of this study was to evaluate the effects of different stages of diabetic retinopathy (DR) and metabolic control of blood glucose levels on corneal biomechanical parameters. METHODS Diabetic patients were categorized into three groups: no DR group, nonproliferative DR (NPDR) group, and proliferative DR (PDR) group. Of the 141 eyes examined, 40 belonged to the control group, 34 to no DR group, 34 to NPDR group, and 33 to PDR group. Using an Ocular Response Analyzer to measure corneal hysteresis (CH), corneal resistance factor (CRF), Goldmann-correlated intraocular pressure (IOPg), and corneal-compensated IOP (IOPcc). IOP was assessed using a Tono-Pen, while central corneal thickness (CCT) was determined using an ultrasonic pachymeter. HbA1c levels were also recorded. We conducted comparisons among these groups across biomechanical parameters and IOP (tonopen), and CCT, while also investigating the impact of HbA1c levels on these parameters. RESULTS Among any groups show a statistically significant difference in CCT, IOP (tonopen), CH, CRF, IOPg, and IOPcc. In diabetic patients, CRF, CTT, and IOPg values were significantly higher in those with HbA1c levels ≥ 7 mg/dl than in those with HbA1c levels < 7 mg/dl (p = 0.009, p = 0.013, p = 0.038), respectively, while there was no statistically significant difference in IOPcc, CH, and IOP (tonopen). Linear regression analysis showed that CH was positively associated with CCT (p < 0.001) and negatively associated with IOPcc (p < 0.001), while CRF was positively associated with CCT (p < 0.001), HbA1c (p < 0.05), and negatively associated with diagnosis of DR (p < 0.05). CONCLUSION This study underscores the influence of metabolic control, as reflected by HbA1c levels, on corneal biomechanical parameters in diabetic patients, emphasizing the importance of monitoring and managing glycemic control in this population.
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Affiliation(s)
- Duygu Akbulut Sagaltici
- University of Health Sciences, Bagcilar Training and Research Hospital, Department of Ophthalmology, Istanbul, Turkey
| | - Emin Kurt
- Department of Ophthalmology, Manisa Celal Bayar University, Manisa, Turkey
| | | | - Huseyin Mayali
- Department of Ophthalmology, Manisa Celal Bayar University, Manisa, Turkey
| | - Zeliha Hekimsoy
- Department of Endocrinology and Metabolism, Manisa Celal Bayar University, Manisa, Turkey
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28
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Chen Q, Zhao X, Xu Z, Liu Y. Endoplasmic reticulum stress mechanisms and exercise intervention in type 2 diabetes mellitus. Biomed Pharmacother 2024; 177:117122. [PMID: 38991302 DOI: 10.1016/j.biopha.2024.117122] [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: 04/02/2024] [Revised: 07/08/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a metabolic disease primarily characterized by insulin resistance (IR) and insufficient insulin secretion. The unfolded protein response (UPR) overactivation induced by endoplasmic reticulum stress (ERS) appears to play a key role in this process, although the exact pathogenesis of T2DM is not fully understood. Studies have demonstrated that appropriate exercise can regulate ERS in the heart, liver, pancreas, skeletal muscle, and other body tissues leading to an improvement in diabetes and its complications. However, the exact mechanism remains unclear. By analyzing the relationship between ERS, T2DM pathology, and exercise intervention, this review concludes that exercise can increase insulin sensitivity, inhibit IR, promote insulin secretion and alleviate T2DM by regulating ERS. This paper specifically reviews the signaling pathways by which ERS induces diabetes, the mechanisms of exercise regulation of ERS in diabetes, and the varying effects of different types of exercise on diabetes improvement through ERS mechanisms. Physical exercise is an effective non-pharmacological intervention for T2DM. Thus, further exploration of how exercise regulates ERS in diabetes could refine "precision exercise medicine" for diabetes and identify new drug targets.
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Affiliation(s)
- Qianyu Chen
- College of Physical Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China.
| | - Xiaoqin Zhao
- College of Physical Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China.
| | - Zujie Xu
- College of Physical Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China.
| | - Yiyao Liu
- College of Physical Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China.
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29
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Zhou M, Zhang Y, Shi L, Li L, Zhang D, Gong Z, Wu Q. Activation and modulation of the AGEs-RAGE axis: Implications for inflammatory pathologies and therapeutic interventions - A review. Pharmacol Res 2024; 206:107282. [PMID: 38914383 DOI: 10.1016/j.phrs.2024.107282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 05/26/2024] [Accepted: 06/21/2024] [Indexed: 06/26/2024]
Abstract
Chronic inflammation is a common foundation for the development of many non-communicable diseases, particularly diabetes, atherosclerosis, and tumors. The activation of the axis involving Advanced Glycation End products (AGEs) and their receptor RAGE is a key promotive factor in the chronic inflammation process, influencing the pathological progression of these diseases. The accumulation of AGEs in the body results from an increase in glycation reactions and oxidative stress, especially pronounced in individuals with diabetes. By binding to RAGE, AGEs activate signaling pathways such as NF-κB, promoting the release of inflammatory factors, exacerbating cell damage and inflammation, and further advancing the formation of atherosclerotic plaques and tumor development. This review will delve into the molecular mechanisms by which the AGEs-RAGE axis activates chronic inflammation in the aforementioned diseases, as well as strategies to inhibit the AGEs-RAGE axis, aiming to slow or halt the progression of chronic inflammation and related diseases. This includes the development of AGEs inhibitors, RAGE antagonists, and interventions targeting upstream and downstream signaling pathways. Additionally, the early detection of AGEs levels and RAGE expression as biomarkers provides new avenues for the prevention and treatment of diabetes, atherosclerosis, and tumors.
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Affiliation(s)
- Mengzhou Zhou
- Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China
| | - Yuyan Zhang
- Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China
| | - Lin Shi
- Wuhan Caidian District Public Inspection and Testing Center, Wuhan, Hubei 430068, PR China
| | - Liangchao Li
- Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China
| | - Duo Zhang
- Hubei Standardization and Quality Institute, Wuhan,Hubei 430068, PR China
| | - Zihao Gong
- Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China
| | - Qian Wu
- Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China.
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30
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Yu Z, Yang J, Jiang Y, Wei M, Lyu Y, Yang D, Shen S, Han Y, Li M. Metabolomic and lipidomic profiling of the spinal cord in type 2 diabetes mellitus rats with painful neuropathy. Metab Brain Dis 2024; 39:1117-1130. [PMID: 38980579 PMCID: PMC11349861 DOI: 10.1007/s11011-024-01376-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 07/02/2024] [Indexed: 07/10/2024]
Abstract
In this paper we investigated lipid and metabolite changes in diabetic neuropathy, using untargeted lipidomics and metabolomics analyses of the spinal cords from streptozotocin-treated diabetic rats.170 metabolites and 45 lipids were dysregulated in the painful diabetic neuropathy (PDN) phase. Pathway enrichment analysis revealed perturbations in starch and sucrose, tryptophan, pyrimidine, cysteine and methionine, thiamine, tyrosine, and nucleotides. The disturbance of tyrosine, tryptophan, methionine, triacylglycerol, and phosphatidylethanolamine metabolism indicated that pathological mechanisms in the PDN involved energy metabolism, oxidative stress, and neural reparative regeneration. These revelations offered potential biomarkers for PDN and enriched the comprehension of the complex molecular mechanisms characterizing PDN, establishing a solid foundation for subsequent inquiries into neural convalescence and recovery after PDN.
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Affiliation(s)
- Zhuoying Yu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Jing Yang
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Ye Jiang
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Min Wei
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Yanhan Lyu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Dongsheng Yang
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Shixiong Shen
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Yongzheng Han
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China.
| | - Min Li
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China.
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31
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Wang J, Song X, Xia Z, Feng S, Zhang H, Xu C, Zhang H. Serum biomarkers for predicting microvascular complications of diabetes mellitus. Expert Rev Mol Diagn 2024; 24:703-713. [PMID: 39158206 DOI: 10.1080/14737159.2024.2391021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 08/06/2024] [Indexed: 08/20/2024]
Abstract
INTRODUCTION Diabetic microvascular complications such as retinopathy, nephropathy, and neuropathy are primary causes of blindness, terminal renal failure, and neuropathic disorders in type 2 diabetes mellitus patients. Identifying reliable biomarkers promptly is pivotal for early detection and intervention in these severe complications. AREAS COVERED This review offers a thorough examination of the latest research concerning serum biomarkers for the prediction and assessment of diabetic microvascular complications. It encompasses biomarkers associated with glycation, oxidative stress, inflammation, endothelial dysfunction, basement membrane thickening, angiogenesis, and thrombosis. The review also highlights the potential of emerging biomarkers, such as microRNAs and long non-coding RNAs. EXPERT OPINION Serum biomarkers are emerging as valuable tools for the early assessment and therapeutic guidance of diabetic microvascular complications. The biomarkers identified not only reflect the underlying pathophysiology but also align with the extent of the disease. However, further validation across diverse populations and improvement of the practicality of these biomarkers in routine clinical practice are necessary. Pursuing these objectives is essential to advance early diagnosis, risk assessment, and individualized treatment regimens for those affected by diabetes.
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Affiliation(s)
- Jiajia Wang
- Department of Laboratory Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Department of Laboratory Medicine, Sichuan Provincial People's Hospital Chuandong Hospital & Dazhou First People's Hospital, Dazhou, China
| | - Xiaoyi Song
- School of medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Ziqiao Xia
- Laboratory medicine, Qianwei People's Hospital, Leshan, Sichuan, China
| | - Shu Feng
- Department of Laboratory Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Hangfeng Zhang
- Department of Laboratory Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Chengjie Xu
- Department of Laboratory Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Hui Zhang
- Department of Ultrasound, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
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Yan L, Wang J, Cai X, Liou Y, Shen H, Hao J, Huang C, Luo G, He W. Macrophage plasticity: signaling pathways, tissue repair, and regeneration. MedComm (Beijing) 2024; 5:e658. [PMID: 39092292 PMCID: PMC11292402 DOI: 10.1002/mco2.658] [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: 03/03/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 08/04/2024] Open
Abstract
Macrophages are versatile immune cells with remarkable plasticity, enabling them to adapt to diverse tissue microenvironments and perform various functions. Traditionally categorized into classically activated (M1) and alternatively activated (M2) phenotypes, recent advances have revealed a spectrum of macrophage activation states that extend beyond this dichotomy. The complex interplay of signaling pathways, transcriptional regulators, and epigenetic modifications orchestrates macrophage polarization, allowing them to respond to various stimuli dynamically. Here, we provide a comprehensive overview of the signaling cascades governing macrophage plasticity, focusing on the roles of Toll-like receptors, signal transducer and activator of transcription proteins, nuclear receptors, and microRNAs. We also discuss the emerging concepts of macrophage metabolic reprogramming and trained immunity, contributing to their functional adaptability. Macrophage plasticity plays a pivotal role in tissue repair and regeneration, with macrophages coordinating inflammation, angiogenesis, and matrix remodeling to restore tissue homeostasis. By harnessing the potential of macrophage plasticity, novel therapeutic strategies targeting macrophage polarization could be developed for various diseases, including chronic wounds, fibrotic disorders, and inflammatory conditions. Ultimately, a deeper understanding of the molecular mechanisms underpinning macrophage plasticity will pave the way for innovative regenerative medicine and tissue engineering approaches.
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Affiliation(s)
- Lingfeng Yan
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Jue Wang
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Xin Cai
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Yih‐Cherng Liou
- Department of Biological SciencesFaculty of ScienceNational University of SingaporeSingaporeSingapore
- National University of Singapore (NUS) Graduate School for Integrative Sciences and EngineeringNational University of SingaporeSingaporeSingapore
| | - Han‐Ming Shen
- Faculty of Health SciencesUniversity of MacauMacauChina
| | - Jianlei Hao
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and TreatmentZhuhai Institute of Translational MedicineZhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University)Jinan UniversityZhuhaiGuangdongChina
- The Biomedical Translational Research InstituteFaculty of Medical ScienceJinan UniversityGuangzhouGuangdongChina
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer CenterWest China Hospitaland West China School of Basic Medical Sciences and Forensic MedicineSichuan University, and Collaborative Innovation Center for BiotherapyChengduChina
| | - Gaoxing Luo
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Weifeng He
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
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Wang SW, Lee TL, Chang TH, Chen YL, Houng HY, Chang N, Chang S, Chang CC, Houng JY. Antidiabetic Potential of Abelmoschus manihot Flower Extract: In Vitro and Intracellular Studies. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:1211. [PMID: 39202492 PMCID: PMC11356367 DOI: 10.3390/medicina60081211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/07/2024] [Accepted: 07/24/2024] [Indexed: 09/03/2024]
Abstract
Abelmoschus manihot (L.) Medic flower (AMf) exhibits both nutritional value and bioactivities such as antioxidative, anti-inflammatory, neuroprotective, cardioprotective, and hepatoprotective effects. The aim of this investigation was to examine the potential impact of three different solvent extracts of AMf: supercritical CO2 extraction extract, water extract, and ethanol extract (AME), on management of diabetes. All three extracts demonstrated significant inhibitory effects on α-glucosidase (IC50 = 157-261 μg/mL) and lipase (IC50 = 401-577 μg/mL) activities while enhancing the α-amylase activity (32.4-41.8 folds at 200 μg/mL). Moreover, all three extracts exhibited notable inhibition of the formation of advanced glycation end-products, including the Amadori products (inhibition rates = 15.7-36.6%) and the dicarbonyl compounds (inhibition rates = 18.6-28.3%). Among the three extracts, AME exhibited the most pronounced inhibitory effect. AME displayed substantial in vitro and intracellular antioxidative activity, and effectively reduced ROS production (135% at 500 μg/mL) in β-cells under hyperglycemic (HG) conditions. AME also enhanced the activity and gene expression of antioxidant enzymes, which were markedly decreased in the HG-induced β-cells. Furthermore, AME protected β-cell viability and maintained normal insulin secretion under HG conditions, likely due to its ability to reduce oxidative stress within β-cells. This study demonstrated the potential of AME in preventing and managing diabetes and its associated complications. Further in vivo research is necessary to thoroughly elucidate the preventive effects and their underlying mechanisms.
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Affiliation(s)
- Shih-Wei Wang
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, E-Da Dachang Hospital, I-Shou University, Kaohsiung 80706, Taiwan
| | - Thung-Lip Lee
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
- Division of Cardiology, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan
| | - Tzu-Hsien Chang
- Department of Obstetrics & Gynecology, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (T.-H.C.); (Y.-L.C.); (H.-Y.H.)
- Department of Obstetrics & Gynecology, E-Da Dachang Hospital, I-Shou University, Kaohsiung 80706, Taiwan
| | - Ya-Ling Chen
- Department of Obstetrics & Gynecology, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (T.-H.C.); (Y.-L.C.); (H.-Y.H.)
- Department of Obstetrics & Gynecology, E-Da Dachang Hospital, I-Shou University, Kaohsiung 80706, Taiwan
| | - Hsin-Ya Houng
- Department of Obstetrics & Gynecology, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (T.-H.C.); (Y.-L.C.); (H.-Y.H.)
- Department of Obstetrics & Gynecology, E-Da Dachang Hospital, I-Shou University, Kaohsiung 80706, Taiwan
| | - Natasha Chang
- Sayles Hill Campus Center, Carleton College, Northfield, MN 55057, USA; (N.C.); (S.C.)
| | - Sabrina Chang
- Sayles Hill Campus Center, Carleton College, Northfield, MN 55057, USA; (N.C.); (S.C.)
| | - Chi-Chang Chang
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
- Department of Obstetrics & Gynecology, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (T.-H.C.); (Y.-L.C.); (H.-Y.H.)
- Department of Obstetrics & Gynecology, E-Da Dachang Hospital, I-Shou University, Kaohsiung 80706, Taiwan
| | - Jer-Yiing Houng
- Department of Nutrition, I-Shou University, Kaohsiung 82445, Taiwan
- Department of Chemical Engineering, I-Shou University, Kaohsiung 82445, Taiwan
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Ahmed CM, Johnson HM, Lewin AS. Corneal application of SOCS1/3 peptides for the treatment of eye diseases mediated by inflammation and oxidative stress. Front Immunol 2024; 15:1416181. [PMID: 39104531 PMCID: PMC11298391 DOI: 10.3389/fimmu.2024.1416181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/05/2024] [Indexed: 08/07/2024] Open
Abstract
Several blinding diseases affecting the retina and optic nerve are exacerbated by or caused by dysregulated inflammation and oxidative stress. These diseases include uveitis, age related macular degeneration, diabetic retinopathy and glaucoma. Consequently, despite their divergent symptoms, treatments that reduce oxidative stress and suppress inflammation may be therapeutic. The production of inflammatory cytokines and their activities are regulated by a class of proteins termed Suppressors of Cytokine Signaling (SOCS). SOCS1 and SOCS3 are known to dampen signaling via pathways employing Janus kinases and signal transducer and activator of transcription proteins (JAK/STAT), Toll-like Receptors (TLR), nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), mitogen activated kinase (MAPK) and NLR family pyrin domain containing 3 (NLRP3). We have developed cell-penetrating peptides from the kinase inhibitory region of the SOCS1 and SOCS3 (denoted as R9-SOCS1-KIR and R9-SOCS3-KIR) and tested them in retinal pigment epithelium (RPE) cells and in macrophage cell lines. SOCS-KIR peptides exhibited anti-inflammatory, anti-oxidant and anti-angiogenic properties. In cell culture, both Th1 and Th17 cells were suppressed together with the inhibition of other inflammatory markers. We also observed a decrease in oxidants and a simultaneous rise in neuroprotective and anti-oxidant effectors. In addition, treatment prevented the loss of gap junction proteins and the ensuing drop in transepithelial electrical resistance in RPE cells. When tested in mouse models by eye drop instillation, they showed protection against autoimmune uveitis, as a prophylactic as well as a therapeutic. Mice with endotoxin-induced uveitis were protected by eye drop administration as well. R9-SOCS3-KIR was particularly effective against the pathways acting through STAT3, e.g. IL-6 and VEGF-A mediated responses that lead to macular degeneration. Eye drop administration of R9-SOCS3-KIR stimulated production of antioxidant effectors and reduced clinical symptoms in mouse model of oxidative stress that replicates the RPE injury occurring in AMD. Because these peptides suppress multiple pathogenic stimuli and because they can be delivered topically to the cornea, they are attractive candidates for therapeutics for uveitis, macular degeneration, diabetic retinopathy and glaucoma.
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Affiliation(s)
- Chulbul M. Ahmed
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL, United States
| | - Howard M. Johnson
- Department of Microbiology and Cell Science, University of Florida, Gainesville, FL, United States
| | - Alfred S. Lewin
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL, United States
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Tian H, Chen H, Yin X, Lv M, Wei L, Zhang Y, Jia S, Li J, Song H. CORM-3 Inhibits the Inflammatory Response of Human Periodontal Ligament Fibroblasts Stimulated by LPS and High Glucose. J Inflamm Res 2024; 17:4845-4863. [PMID: 39070135 PMCID: PMC11277920 DOI: 10.2147/jir.s460954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 06/18/2024] [Indexed: 07/30/2024] Open
Abstract
Introduction Diabetes has been recognized as an independent risk factor for periodontitis. Increasing evidences indicate that hyperglycemia aggravates inflammatory response of human periodontal ligament cells (hPDLCs). Carbon monoxide-releasing molecule-3 (CORM-3) is a water-soluble compound that can release carbon monoxide (CO) in a controllable manner. CORM-3 has been shown the anti-inflammatory effect in different cell lineages. Methods We stimulated periodontal ligament cells with LPS and high glucose. The expression of inflammatory cytokine was detected by ELISA. RT-qPCR, Western blot and immunofluorescence were used to detect the expression of TLR2, TLR4, RAGE and the activation of NF-κB pathway. We performed silencing and overexpression treatment of RAGE targeting the role of RAGE. We performed the immunostaining of paraffin sections of the periodontitis model in diabetes rats. Results The results showed that CORM-3 significantly inhibited the expression of inflammatory cytokine in hPDLCs stimulated with LPS and high glucose. CORM-3 also inhibited LPS and high glucose-induced expression of RAGE/NF-κB pathway and TLR2/TLR4/NF-κB pathway. Silence of RAGE resulted in significantly decreased expression of proteins above. Overexpression of RAGE significantly enhanced the expression of these factors. CORM-3 abrogated the effect of RAGE partially. In animal model, CORM-3 suppressed the inflammatory response of periodontal tissues in experimental periodontitis of diabetic rats. Discussion Our research proved CORM-3 reduced the inflammatory response via RAGE/NF-κB pathway and TLR2/TLR4/NF-κB pathway in the process of high glucose exacerbated periodontitis. These findings demonstrated the role of RAGE in the process of high glucose exacerbated periodontitis and suggested that CORM3 be a potential therapeutic strategy for the treatment of diabetes patients with periodontitis.
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Affiliation(s)
- Haoyang Tian
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, People’s Republic of China
| | - Hui Chen
- Department of Endodontics, Jinan Stomatological Hospital, Jinan, People’s Republic of China
| | - Xiaochun Yin
- Department of Endodontics, Jinan Stomatological Hospital, Jinan, People’s Republic of China
| | - Meiyi Lv
- Department of Pediatric Dentistry, Jinan Stomatological Hospital, Jinan, People’s Republic of China
| | - Lingling Wei
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, People’s Republic of China
| | - Yuna Zhang
- Department of Stomatology, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China
| | - Shuhan Jia
- Department of Stomatology, Yancheng NO. 1 People’s Hospital, Yancheng, People’s Republic of China
| | - Jingyuan Li
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, People’s Republic of China
| | - Hui Song
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, People’s Republic of China
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de Lima EP, Moretti RC, Torres Pomini K, Laurindo LF, Sloan KP, Sloan LA, de Castro MVM, Baldi E, Ferraz BFR, de Souza Bastos Mazuqueli Pereira E, Catharin VMCS, Mellen CH, Caracio FCC, Spilla CSG, Haber JFS, Barbalho SM. Glycolipid Metabolic Disorders, Metainflammation, Oxidative Stress, and Cardiovascular Diseases: Unraveling Pathways. BIOLOGY 2024; 13:519. [PMID: 39056712 PMCID: PMC11273409 DOI: 10.3390/biology13070519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 07/03/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024]
Abstract
Glycolipid metabolic disorders (GLMDs) are various metabolic disorders resulting from dysregulation in glycolipid levels, consequently leading to an increased risk of obesity, diabetes, liver dysfunction, neuromuscular complications, and cardiorenal vascular diseases (CRVDs). In patients with GLMDs, excess caloric intake and a lack of physical activity may contribute to oxidative stress (OxS) and systemic inflammation. This study aimed to review the connection between GLMD, OxS, metainflammation, and the onset of CRVD. GLMD is due to various metabolic disorders causing dysfunction in the synthesis, breakdown, and absorption of glucose and lipids in the body, resulting in excessive ectopic accumulation of these molecules. This is mainly due to neuroendocrine dysregulation, insulin resistance, OxS, and metainflammation. In GLMD, many inflammatory markers and defense cells play a vital role in related tissues and organs, such as blood vessels, pancreatic islets, the liver, muscle, the kidneys, and adipocytes, promoting inflammatory lesions that affect various interconnected organs through their signaling pathways. Advanced glycation end products, ATP-binding cassette transporter 1, Glucagon-like peptide-1, Toll-like receptor-4, and sphingosine-1-phosphate (S1P) play a crucial role in GLMD since they are related to glucolipid metabolism. The consequences of this is system organ damage and increased morbidity and mortality.
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Affiliation(s)
- Enzo Pereira de Lima
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
| | - Renato Cesar Moretti
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
| | - Karina Torres Pomini
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
| | - Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, Faculdade de Medicina de Marília (FAMEMA), Marília 17525-902, SP, Brazil
| | | | - Lance Alan Sloan
- Texas Institute for Kidney and Endocrine Disorders, Lufkin, TX 75904, USA
- Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Marcela Vialogo Marques de Castro
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
- Department of Odontology, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
| | - Edgar Baldi
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
| | | | - Eliana de Souza Bastos Mazuqueli Pereira
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
- Department of Odontology, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
| | - Virgínia Maria Cavallari Strozze Catharin
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
| | - Carolina Haber Mellen
- Department of Internal Medicine, Irmandade da Santa Casa de Misericórdia de São Paulo (ISCMSP), São Paulo 01221-010, SP, Brazil
| | | | - Caio Sérgio Galina Spilla
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
| | - Jesselina F. S. Haber
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
| | - Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil; (E.P.d.L.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília 17525-902, SP, Brazil
- Charity Hospital, UNIMAR (HBU), Universidade de Marília, UNIMAR, São Paulo 17525-160, SP, Brazil
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Wang T, Li X, Tao Y, Wang X, Li L, Liu J. METTL3-mediated NDUFB5 m6A modification promotes cell migration and mitochondrial respiration to promote the wound healing of diabetic foot ulcer. J Transl Med 2024; 22:643. [PMID: 38982516 PMCID: PMC11234709 DOI: 10.1186/s12967-024-05463-6] [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: 01/12/2024] [Accepted: 07/02/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUND Diabetic foot ulcer (DFU) is the most devastating complication of diabetes mellitus (DM) and plays a major role in disability and death in DM patients. NADH: ubiquinone oxidoreductase subunit B5 (NDUFB5) plays an important role in maintaining mitochondrial respiration, but whether it is involved in regulating the progression of advanced glycation end products (AGEs)-mediated DFU is still unclear. METHODS Firstly, the role of AGEs on cell viability, migration, and mitochondrial respiration in human umbilical vein endothelial cells (HUVECs) was explored in vitro. Next, NDUFB5 expression was detected in human samples and AGEs-treated HUVECs, and NDUFB5's effect on AGEs-induced HUVECs injury and skin wound in diabetic mice was further clarified. In addition, the role of m6A modification mediated by methyltransferase-like 3 (METTL3) in regulating NDUFB5 expression and AGEs-induced HUVECs injury was investigated. RESULTS NDUFB5 promoted cell viability, migration, and mitochondrial respiration in AGEs-treated HUVECs, whereas mitochondrial fusion promoter M1 facilitated cell viability, migration, and mitochondrial oxiadative respiration in NDUFB5 knockdown HUVECs. Meanwhile, NDUFB5 promotes skin wound healing in diabetic mice. Besides, METTL3-mediated m6A modification and insulin like growth factor 2 mRNA binding protein 2 (IGF2BP2) enhanced NDUFB5 expression in HUVECs. Furthermore, METTL3 promoted cell viability, migration, and mitochondrial respiration in AGEs-treated HUVECs by increasing NDUFB5. CONCLUSION METTL3-mediated NDUFB5 m6A modification inhibits AGEs-induced cell injury in HUVECs. METTL3 and NDUFB5 might serve as potential targets for DFU therapy in the future.
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Affiliation(s)
- Tao Wang
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China
| | - Xu Li
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China
| | - Yue Tao
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China
| | - Xiaojun Wang
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China
| | - Limeng Li
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China
| | - Jianjun Liu
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, affiliated to Fudan University, 1158 East Park Road, Qingpu District, Shanghai, 201700, China.
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Chikkahonnaiah P, Dallavalasa S, Tulimilli SV, Dubey M, Byrappa SH, Amachawadi RG, Madhunapantula SV, Veeranna RP. SARS-CoV-2 Infection Positively Correlates with Hyperglycemia and Inflammatory Markers in COVID-19 Patients: A Clinical Research Study. Diseases 2024; 12:143. [PMID: 39057114 PMCID: PMC11276363 DOI: 10.3390/diseases12070143] [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: 05/17/2024] [Revised: 06/22/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Diabetes mellitus (DM) is a common comorbidity in COVID-19 subjects. Hyperglycemia at hospital admission identified as a major risk factor and is responsible for poor prognosis. Hematological and inflammatory parameters have been recognized as predictive markers of severity in COVID-19. In this clinical study, we aimed to assess the impact of hyperglycemia at hospital admission on hematological and several inflammatory parameters in COVID-19 patients. A total of 550 COVID-19 subjects were primarily categorized into two major groups (normoglycemic and hyperglycemic) based on random blood sugar levels. On the first day of hospitalization, subjects' oxygen saturation, random blood sugar, hematological variables, and inflammatory parameters were recorded. The hyperglycemic group exhibited higher levels of serum ferritin, total leukocyte count (TLC), lactate dehydrogenase (LDH), neutrophil count, and neutrophil-to-lymphocyte ratio (NLR). In contrast, oxygen saturation and lymphocyte count were lower compared to the normoglycemic group. Significantly elevated levels of hematological variables (TLC, neutrophil count, NLR) and inflammatory parameters (serum ferritin) were observed in the hyperglycemic group. Among inflammatory parameters, only serum ferritin levels showed statistical significance. This study supports the clinical association between hyperglycemia and an increased severity of COVID-19. Consequently, the identification of these parameters is a crucial and valuable prognostic indicator for assessing disease severity in hyperglycemic subjects.
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Affiliation(s)
- Prashanth Chikkahonnaiah
- Department of Pulmonary Medicine, Mysore Medical College and Research Institute, Mysuru 570001, Karnataka, India;
| | - Siva Dallavalasa
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory (DST-FIST Supported Centre and ICMR Collaborating Center of Excellence–ICMR-CCoE), Department of Biochemistry (DST-FIST Supported Department), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru 570015, Karnataka, India; (S.D.); (S.V.T.)
| | - SubbaRao V. Tulimilli
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory (DST-FIST Supported Centre and ICMR Collaborating Center of Excellence–ICMR-CCoE), Department of Biochemistry (DST-FIST Supported Department), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru 570015, Karnataka, India; (S.D.); (S.V.T.)
| | - Muskan Dubey
- Xavier University School of Medicine, Xavier University School of Veterinary Medicine, Santa Helenastraat #23, Oranjestad, Aruba;
| | - Shashidhar H. Byrappa
- Department of Pathology, Mysore Medical College and Research Institute (MMC&RI), Mysuru 570001, Karnataka, India;
| | - Raghavendra G. Amachawadi
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA;
| | - SubbaRao V. Madhunapantula
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory (DST-FIST Supported Centre and ICMR Collaborating Center of Excellence–ICMR-CCoE), Department of Biochemistry (DST-FIST Supported Department), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru 570015, Karnataka, India; (S.D.); (S.V.T.)
- Leader, Special Interest Group in Cancer Biology and Cancer Stem Cells (SIG-CBCSC), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru 570004, Karnataka, India
| | - Ravindra P. Veeranna
- Xavier University School of Medicine, Xavier University School of Veterinary Medicine, Santa Helenastraat #23, Oranjestad, Aruba;
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Xu R, Chen R, Xu S, Ding Y, Zheng T, Ouyang C, Ding X, Chen L, Zhang W, Ge C, Li S. An Exploration of Shared Risk Factors for Coronary Artery Disease and Cancer from 109 Traits: The Evidence from Two-Sample Mendelian Randomization Studies. Rev Cardiovasc Med 2024; 25:245. [PMID: 39139410 PMCID: PMC11317334 DOI: 10.31083/j.rcm2507245] [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: 11/04/2023] [Revised: 01/09/2024] [Accepted: 01/26/2024] [Indexed: 08/15/2024] Open
Abstract
Background Although observational studies have reported several common biomarkers related to coronary artery disease (CAD) and cancer, there is a shortage of traditional epidemiological data to establish causative linkages. Thus, we conducted a comprehensive two-sample Mendelian randomization (MR) analysis to systematically investigate the causal associations of 109 traits with both CAD and cancer to identify their shared risk and protective factors. Methods The genetic association datasets pertaining to exposure and outcomes were reviewed using the most recent and public genome-wide association studies (GWAS). Inverse variance weighting (IVW), weighted median (WM), and MR-Egger strategies were implemented for the MR analyses. The heterogeneity and pleiotropy were measured utilizing leave-one-out sensitivity testing, MR-PRESSO outlier detection, and Cochran's Q test. Results The IVW analyses revealed that genetic-predicted mean sphered cell volume (MSCV) is a protective factor for CAD, and weight is a risk factor. MSCV and weight also show similar effects on cancer. Furthermore, our study also identified a set of risk and protective factors unique to CAD and cancer, such as telomere length. Conclusions Our Mendelian randomization study sheds light on shared and unique risk and protective factors for CAD and cancer, offering valuable insights that could guide future research and the development of personalized strategies for preventing and treating these two significant health issues.
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Affiliation(s)
- Rong Xu
- Department of Pharmacy, Quanzhou Medical College, 362011 Quanzhou, Fujian, China
| | - Rumeng Chen
- School of Life Sciences, Beijing University of Chinese Medicine, 102488 Beijing, China
| | - Shuling Xu
- School of Life Sciences, Beijing University of Chinese Medicine, 102488 Beijing, China
| | - Yining Ding
- School of Life Sciences, Beijing University of Chinese Medicine, 102488 Beijing, China
| | - Tingjin Zheng
- Department of Clinical Laboratory, Quanzhou First Hospital Affiliated to Fujian Medical University, 362000 Quanzhou, Fujian, China
| | - Chaoqun Ouyang
- Department of Pharmacy, Quanzhou Medical College, 362011 Quanzhou, Fujian, China
| | - Xiaoming Ding
- Department of Basic Medicine, Quanzhou Medical College, 362011 Quanzhou, Fujian, China
| | - Linlin Chen
- Department of Pharmacy, Quanzhou Medical College, 362011 Quanzhou, Fujian, China
| | - Wenzhou Zhang
- Department of Pharmacy, Quanzhou Medical College, 362011 Quanzhou, Fujian, China
| | - Chenjin Ge
- Department of Medical Imaging, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 200071 Shanghai, China
| | - Sen Li
- School of Life Sciences, Beijing University of Chinese Medicine, 102488 Beijing, China
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40
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Kopp W. Aging and "Age-Related" Diseases - What Is the Relation? Aging Dis 2024:AD.2024.0570. [PMID: 39012663 DOI: 10.14336/ad.2024.0570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 06/28/2024] [Indexed: 07/17/2024] Open
Abstract
The study explores the intricate relationship between aging and the development of noncommunicable diseases [NCDs], focusing on whether these diseases are inevitable consequences of aging or primarily driven by lifestyle factors. By examining epidemiological data, particularly from hunter-gatherer societies, the study highlights that many NCDs prevalent in modern populations are rare in these societies, suggesting a significant influence of lifestyle choices. It delves into the mechanisms through which poor diet, smoking, and other lifestyle factors contribute to systemic physiological imbalances, characterized by oxidative stress, insulin resistance and hyperinsulinemia, and dysregulation of the sympathetic nervous system, the renin-angiotensin-aldosterone system, and the immune system. The interplay between this pattern and individual factors such as genetic susceptibility, biological variability, epigenetic changes and the microbiome is proposed to play a crucial role in the development of a range of age-related NCDs. Modified biomolecules such as oxysterols and advanced glycation end products also contribute to their development. Specific diseases such as benign prostatic hyperplasia, Parkinson's disease, glaucoma and osteoarthritis are analyzed to illustrate these mechanisms. The study concludes that while aging contributes to the risk of NCDs, lifestyle factors play a crucial role, offering potential avenues for prevention and intervention through healthier living practices. One possible approach could be to try to restore the physiological balance, e.g. through dietary measures [e.g. Mediterranean diet, Okinawan diet or Paleolithic diet] in conjunction with [a combination of] pharmacological interventions and other lifestyle changes.
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Şen GA, Tanrıkulu S, Beşer B, Akçakalem Ş, Çakır S, Dinççağ N. Effects of prediabetes and type 2 diabetes on cognitive functions. Endocrine 2024; 85:190-195. [PMID: 38358557 DOI: 10.1007/s12020-024-03720-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/30/2024] [Indexed: 02/16/2024]
Abstract
INTRODUCTION We aimed to investigate the effect of glycemic impairment in prediabetes on cognitive impairment and the impact of glycemic control on cognitive function in patients with diabetes. MATERIALS AND METHODS This age- and sex-matched case-control study included a total of 80 individuals: 20 patients with prediabetes, 20 patients with well-controlled type 2 diabetes mellitus (T2DM) (HbA1C < %7.5), 20 patients with poorly controlled T2DM (HbA1C >% 7.5), and 20 healthy controls. RESULTS The poorly controlled T2DM patients performed significantly worse than controls and patients with prediabetes in the verbal memory process test (p = 0.041). In Trail Making Test B, the well-controlled and poorly-controlled groups with diabetes performed significantly worse (p = 0.015) than patients with prediabetes and controls, and in the Wisconsin Card Sorting Test (WCST), all three patient groups performed significantly worse (p = 0.007) than controls. CONCLUSION T2DM causes early brain aging and declines cognitive functions since the prediabetic stage. Poor glycemic control in T2DM patients contributes to cognitive impairments, especially in learning.
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Affiliation(s)
- Gülin Alkan Şen
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Istanbul University, Istanbul Faculty of Medicine, Istanbul, Turkey.
- Department of Internal Medicine, Cerrahpaşa Faculty of Medicine, İstanbul University-Cerrahpaşa, Istanbul, Turkey.
| | - Seher Tanrıkulu
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Acibadem Atasehir Hospital, Istanbul, Turkey
| | - Birsu Beşer
- Department of Neurology, Istanbul Faculty of Medicine, İstanbul University, İstanbul, Turkey
| | - Şükriye Akçakalem
- Department of Neurology, Istanbul Faculty of Medicine, İstanbul University, İstanbul, Turkey
| | - Sibel Çakır
- Department of Psychiatry, Istanbul Faculty of Medicine, İstanbul University, İstanbul, Turkey
| | - Nevin Dinççağ
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Istanbul University, Istanbul Faculty of Medicine, Istanbul, Turkey
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Ramos-Regalado L, Alcover S, Badimon L, Vilahur G. The Influence of Metabolic Risk Factors on the Inflammatory Response Triggered by Myocardial Infarction: Bridging Pathophysiology to Treatment. Cells 2024; 13:1125. [PMID: 38994977 PMCID: PMC11240659 DOI: 10.3390/cells13131125] [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: 05/13/2024] [Revised: 06/19/2024] [Accepted: 06/27/2024] [Indexed: 07/13/2024] Open
Abstract
Myocardial infarction (MI) sets off a complex inflammatory cascade that is crucial for effective cardiac healing and scar formation. Yet, if this response becomes excessive or uncontrolled, it can lead to cardiovascular complications. This review aims to provide a comprehensive overview of the tightly regulated local inflammatory response triggered in the early post-MI phase involving cardiomyocytes, (myo)fibroblasts, endothelial cells, and infiltrating immune cells. Next, we explore how the bone marrow and extramedullary hematopoiesis (such as in the spleen) contribute to sustaining immune cell supply at a cardiac level. Lastly, we discuss recent findings on how metabolic cardiovascular risk factors, including hypercholesterolemia, hypertriglyceridemia, diabetes, and hypertension, disrupt this immunological response and explore the potential modulatory effects of lifestyle habits and pharmacological interventions. Understanding how different metabolic risk factors influence the inflammatory response triggered by MI and unraveling the underlying molecular and cellular mechanisms may pave the way for developing personalized therapeutic approaches based on the patient's metabolic profile. Similarly, delving deeper into the impact of lifestyle modifications on the inflammatory response post-MI is crucial. These insights may enable the adoption of more effective strategies to manage post-MI inflammation and improve cardiovascular health outcomes in a holistic manner.
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Affiliation(s)
- Lisaidy Ramos-Regalado
- Research Institute, Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain (S.A.)
- Faculty of Biology, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Sebastià Alcover
- Research Institute, Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain (S.A.)
- Faculty of Biology, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Lina Badimon
- Research Institute, Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain (S.A.)
- Ciber CV, Institute Carlos III, 28029 Madrid, Spain
- Cardiovascular Research Chair, Universitat Autònoma de Barcelona (UAB), 08193 Barcelona, Spain
| | - Gemma Vilahur
- Research Institute, Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain (S.A.)
- Ciber CV, Institute Carlos III, 28029 Madrid, Spain
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Wong A, Sun Q, Latif II, Karwi QG. Metabolic flux in macrophages in obesity and type-2 diabetes. JOURNAL OF PHARMACY & PHARMACEUTICAL SCIENCES : A PUBLICATION OF THE CANADIAN SOCIETY FOR PHARMACEUTICAL SCIENCES, SOCIETE CANADIENNE DES SCIENCES PHARMACEUTIQUES 2024; 27:13210. [PMID: 38988822 PMCID: PMC11233469 DOI: 10.3389/jpps.2024.13210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/14/2024] [Indexed: 07/12/2024]
Abstract
Recent literature extensively investigates the crucial role of energy metabolism in determining the inflammatory response and polarization status of macrophages. This rapidly expanding area of research highlights the importance of understanding the link between energy metabolism and macrophage function. The metabolic pathways in macrophages are intricate and interdependent, and they can affect the polarization of macrophages. Previous studies suggested that glucose flux through cytosolic glycolysis is necessary to trigger pro-inflammatory phenotypes of macrophages, and fatty acid oxidation is crucial to support anti-inflammatory responses. However, recent studies demonstrated that this understanding is oversimplified and that the metabolic control of macrophage polarization is highly complex and not fully understood yet. How the metabolic flux through different metabolic pathways (glycolysis, glucose oxidation, fatty acid oxidation, ketone oxidation, and amino acid oxidation) is altered by obesity- and type 2 diabetes (T2D)-associated insulin resistance is also not fully defined. This mini-review focuses on the impact of insulin resistance in obesity and T2D on the metabolic flux through the main metabolic pathways in macrophages, which might be linked to changes in their inflammatory responses. We closely evaluated the experimental studies and methodologies used in the published research and highlighted priority research areas for future investigations.
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Affiliation(s)
- Angela Wong
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Qiuyu Sun
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Ismail Ibrahim Latif
- Department of Microbiology, College of Medicine, University of Diyala, Baqubaa, Diyala, Iraq
| | - Qutuba G Karwi
- Division of BioMedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Saint John's, NL, Canada
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Mariño L, Belén Uceda A, Leal F, Adrover M. Insight into the Effect of Methylglyoxal on the Conformation, Function, and Aggregation Propensity of α-Synuclein. Chemistry 2024; 30:e202400890. [PMID: 38687053 DOI: 10.1002/chem.202400890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/29/2024] [Accepted: 04/29/2024] [Indexed: 05/02/2024]
Abstract
It is well-known that people suffering from hyperglycemia have a higher propensity to develop Parkinson's disease (PD). One of the most plausible mechanisms linking these two pathologies is the glycation of neuronal proteins and the pathological consequences of it. α-Synuclein, a key component in PD, can be glycated at its fifteen lysine. In fact, the end products of this process have been detected on aggregated α-synuclein isolated from in vivo. However, the consequences of glycation are not entirely clear, which are of crucial importance to understand the mechanism underlying the connection between diabetes and PD. To better clarify this, we have here examined how methylglyoxal (the most important carbonyl compound found in the cytoplasm) affects the conformation and aggregation propensity of α-synuclein, as well as its ability to cluster and fuse synaptic-like vesicles. The obtained data prove that methylglyoxal induces the Lys-Lys crosslinking through the formation of MOLD. However, this does not have a remarkable effect on the averaged conformational ensemble of α-synuclein, although it completely depletes its native propensity to form soluble oligomers and insoluble amyloid fibrils. Moreover, methylglyoxal has a disrupting effect on the ability of α-synuclein to bind, cluster and fusion synaptic-like vesicles.
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Affiliation(s)
- Laura Mariño
- Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Institut de Recerca en Ciències de la Salut (IdISBa), Departament de Química, Universitat de les Illes Balears, Ctra, Valldemossa km 7.5, E-07122, Palma de Mallorca, Spain
| | - Ana Belén Uceda
- Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Institut de Recerca en Ciències de la Salut (IdISBa), Departament de Química, Universitat de les Illes Balears, Ctra, Valldemossa km 7.5, E-07122, Palma de Mallorca, Spain
| | - Francisco Leal
- Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Institut de Recerca en Ciències de la Salut (IdISBa), Departament de Química, Universitat de les Illes Balears, Ctra, Valldemossa km 7.5, E-07122, Palma de Mallorca, Spain
| | - Miquel Adrover
- Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Institut de Recerca en Ciències de la Salut (IdISBa), Departament de Química, Universitat de les Illes Balears, Ctra, Valldemossa km 7.5, E-07122, Palma de Mallorca, Spain
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Lauko K, Nesterowicz M, Trocka D, Dańkowska K, Żendzian-Piotrowska M, Zalewska A, Maciejczyk M. Novel Properties of Old Propranolol-Assessment of Antiglycation Activity through In Vitro and In Silico Approaches. ACS OMEGA 2024; 9:27559-27577. [PMID: 38947802 PMCID: PMC11209686 DOI: 10.1021/acsomega.4c03025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 06/01/2024] [Accepted: 06/06/2024] [Indexed: 07/02/2024]
Abstract
Hypertension has earned the "silent killer" nickname since it may lead to a number of comorbidities, including diabetes and cardiovascular diseases. Oxidative stress and protein glycation play vital roles in the pathogenesis of hypertension. Several studies have shown that they profoundly account for vascular dysfunction, endothelial damage, and disruption of blood pressure regulatory mechanisms. Of particular note are advanced glycation end products (AGEs). AGEs alter vascular tissues' functional and mechanical properties by binding to receptors for advanced glycation end products (RAGE), stimulating inflammation and free radical-mediated pathways. Propranolol, a nonselective beta-adrenergic receptor antagonist, is one of the most commonly used drugs to treat hypertension and cardiovascular diseases. Our study is the first to analyze propranolol's effects on protein glycoxidation through in vitro and in silico approaches. Bovine serum albumin (BSA) was utilized to evaluate glycoxidation inhibition by propranolol. Propranolol (1 mM) and BSA (0.09 mM) were incubated with different glycating (0.5 M glucose, fructose, and galactose for 6 days and 2.5 mM glyoxal and methylglyoxal for 12 h) or oxidizing agents (chloramine T for 1 h). Biomarkers of protein glycation (Amadori products (APs), β-amyloid (βA), and advanced glycation end products (AGEs)), protein glycoxidation (dityrosine (DT), kynurenine (KYN), and N-formylkynurenine (NFK)), protein oxidation (protein carbonyls (PCs), and advanced oxidation protein products (AOPPs)) were measured by means of colorimetric and fluorimetric methods. The scavenging of reactive oxygen species (hydrogen peroxide, hydroxyl radical, and nitric oxide) and the antioxidant capacity (2,2-diphenyl-1-picrylhydrazyl radical and ferrous ion chelating (FIC) assays)) of propranolol were also evaluated. Additionally, in silico docking was performed to showcase propranolol's interaction with BSA, glycosides, and AGE/RAGE pathway proteins. The products of protein glycation (↓APs, ↓βA, ↓AGEs), glycoxidation (↓DT, ↓KYN, ↓NFK), and oxidation (↓PCs, ↓AOPPs) prominently decreased in the BSA samples with both glycating/oxidizing factors and propranolol. The antiglycoxidant properties of propranolol were similar to those of aminoguanidine, a known protein oxidation inhibitor, and captopril, which is an established antioxidant. Propranolol showed a potent antioxidant activity in the FIC and H2O2 scavenging assays, comparable to aminoguanidine and captopril. In silico analysis indicated propranolol's antiglycative properties during its interaction with BSA, glycosidases, and AGE/RAGE pathway proteins. Our results confirm that propranolol may decrease protein oxidation and glycoxidation in vitro. Additional studies on human and animal models are vital for in vivo verification of propranolol's antiglycation activity, as this discovery might hold the key to the prevention of diabetic complications among cardiology-burdened patients.
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Affiliation(s)
- Kamil
Klaudiusz Lauko
- ‘Biochemistry
of Civilisation Diseases’ Students’ Scientific Club
at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
| | - Miłosz Nesterowicz
- ‘Biochemistry
of Civilisation Diseases’ Students’ Scientific Club
at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
| | - Daria Trocka
- ‘Biochemistry
of Civilisation Diseases’ Students’ Scientific Club
at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
| | - Karolina Dańkowska
- ‘Biochemistry
of Civilisation Diseases’ Students’ Scientific Club
at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
| | - Małgorzata Żendzian-Piotrowska
- Department of Hygiene, Epidemiology and
Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
| | - Anna Zalewska
- Independent Laboratory of Experimental
Dentistry, Medical University of Bialystok, 24a M. Sklodowskiej-Curie Street , Bialystok 15-274, Poland
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and
Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok 15-233, Poland
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Al-Sudani WKK, Al-Shammari RSS, Abed MS, Al-Saedi JH, Mernea M, Lungu II, Dumitrache F, Mihailescu DF. The Impact of ZnO and Fe 2O 3 Nanoparticles on Sunflower Seed Germination, Phenolic Content and Antiglycation Potential. PLANTS (BASEL, SWITZERLAND) 2024; 13:1724. [PMID: 38999564 PMCID: PMC11243503 DOI: 10.3390/plants13131724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 06/13/2024] [Accepted: 06/18/2024] [Indexed: 07/14/2024]
Abstract
The enhancement of seed germination by using nanoparticles (NPs) holds the potential to elicit the synthesis of more desired compounds with important biomedical applications, such as preventing protein glycation, which occurs in diabetes. Here, we used 7 nm and 100 nm ZnO and 4.5 nm and 16.7 nm Fe2O3 NPs to treat sunflower seeds. We evaluated the effects on germination, total phenolic content, and the anti-glycation potential of extracted polyphenols. Sunflower seeds were allowed to germinate in vitro after soaking in NP solutions of different concentrations. Polyphenols were extracted, dosed, and used in serum albumin glycation experiments. The germination speed of seeds was significantly increased by the 100 nm ZnO NPs and significantly decreased by the 4.5 nm Fe2O3 NPs. The total phenolic content (TPC) of seeds was influenced by the type of NP, as ZnO NPs enhanced TPC, and the size of the NPs, as smaller NPs led to improved parameters. The polyphenols extracted from seeds inhibited protein glycation, especially those extracted from seeds treated with 7 nm ZnO. The usage of NPs impacted the germination speed and total polyphenol content of sunflower seeds, highlighting the importance of NP type and size in the germination process.
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Affiliation(s)
- Waleed Khaled Kaddem Al-Sudani
- Interdisciplinary School of Doctoral Studies, University of Bucharest, 36–46 Mihail Kogălniceanu Bd, 050107 Bucharest, Romania;
- Ministry of Trade in Iraq, The General Company for Foodstuff Trade, Al Mansour, Baghdad 10013, Iraq
| | - Rawaa Shakir Shnain Al-Shammari
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independenței Str., 050095 Bucharest, Romania; (R.S.S.A.-S.); (J.H.A.-S.); (D.F.M.)
- Ministry of Agriculture in Iraq, Al Wazeria, Baghdad 10053, Iraq
| | - Mohammed Saheb Abed
- Doctoral School of Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independenței Str., 050095 Bucharest, Romania;
- Al-Mussaib Technical Institute, Al-Furat Al-Awsat Technical University, Babylon 51009, Iraq
| | - Jasim Hafedh Al-Saedi
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independenței Str., 050095 Bucharest, Romania; (R.S.S.A.-S.); (J.H.A.-S.); (D.F.M.)
| | - Maria Mernea
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independenței Str., 050095 Bucharest, Romania; (R.S.S.A.-S.); (J.H.A.-S.); (D.F.M.)
| | - Iulia Ioana Lungu
- National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania; (I.I.L.); (F.D.)
| | - Florian Dumitrache
- National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania; (I.I.L.); (F.D.)
| | - Dan Florin Mihailescu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independenței Str., 050095 Bucharest, Romania; (R.S.S.A.-S.); (J.H.A.-S.); (D.F.M.)
- Biometric Psychiatric Genetics Research Unit, Alexandru Obregia Psychiatric Hospital, Șoseaua Berceni 10 Str., 041914 Bucharest, Romania
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Pang W, Zhang B, Zhang J, Chen T, Han Q, Yang Z. Effects of maternal advanced lipoxidation end products diet on the glycolipid metabolism and gut microbiota in offspring mice. Front Nutr 2024; 11:1421848. [PMID: 38962449 PMCID: PMC11220281 DOI: 10.3389/fnut.2024.1421848] [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: 04/23/2024] [Accepted: 05/30/2024] [Indexed: 07/05/2024] Open
Abstract
Introduction Dietary advanced lipoxidation end products (ALEs), which are abundant in heat-processed foods, could induce lipid metabolism disorders. However, limited studies have examined the relationship between maternal ALEs diet and offspring health. Methods To investigate the transgenerational effects of ALEs, a cross-generation mouse model was developed. The C57BL/6J mice were fed with dietary ALEs during preconception, pregnancy and lactation. Then, the changes of glycolipid metabolism and gut microbiota of the offspring mice were analyzed. Results Maternal ALEs diet not only affected the metabolic homeostasis of dams, but also induced hepatic glycolipid accumulation, abnormal liver function, and disturbance of metabolism parameters in offspring. Furthermore, maternal ALEs diet significantly upregulated the expression of TLR4, TRIF and TNF-α proteins through the AMPK/mTOR/PPARα signaling pathway, leading to dysfunctional glycolipid metabolism in offspring. In addition, 16S rRNA analysis showed that maternal ALEs diet was capable of altered microbiota composition of offspring, and increased the Firmicutes/Bacteroidetes ratio. Discussion This study has for the first time demonstrated the transgenerational effects of maternal ALEs diet on the glycolipid metabolism and gut microbiota in offspring mice, and may help to better understand the adverse effects of dietary ALEs.
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Affiliation(s)
- Wenwen Pang
- School of Medicine, Nankai University, Tianjin, China
| | - Bowei Zhang
- School of Medicine, Nankai University, Tianjin, China
| | - Junshi Zhang
- Department of Hematology, Oncology Center, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Tianyi Chen
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qiurong Han
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Zhen Yang
- Department of Clinical Laboratory, Tianjin Union Medical Center, Nankai University, Tianjin, China
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Li Y, Su Q, Tao Z, Cai X, Zhao Y, Zhou Z, Huang Y, Xiang Q. Human Periodontal Ligament Stem Cells (hPDLSCs) Spontaneously Differentiate into Myofibroblasts to Repair Diabetic Wounds. Bioengineering (Basel) 2024; 11:602. [PMID: 38927838 PMCID: PMC11200790 DOI: 10.3390/bioengineering11060602] [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: 02/15/2024] [Revised: 05/27/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Advanced glycation end product (AGE) accumulation due to diabetes causes vascular and neurological lesions, delaying healing. The use of stem cells could overcome these problems. Although many studies have shown the potential beneficial effects of stem cell therapies in the treatment of chronic and refractory skin ulcers, their delivery methods are still under investigation. Human periodontal ligament stem cells (hPDLSCs) can spontaneously differentiate into myofibroblasts in specific cultures; therefore, they have the potential to effectively treat diabetic wounds and may also have applications in the field of medical cosmetics. The myofibroblastic differentiation ability of hPDLSCs in the presence of AGEs was evaluated by the expression of α-SMA and COL1A1 using RT-qPCR and WB technology. Wound healing in diabetic mice, induced by streptozotocin (STZ) and assessed using H&E staining, Masson staining, and immunohistochemical (IHC) and immunofluorescence (IF) staining, was used to validate the effects of hPDLSCs. In the wound tissues, the expression of α-SMA, COL1A1, CD31, CD206, iNOS, and vimentin was detected. The findings indicated that in H-DMEM, the expression of COL1A1 exhibited a significant decrease, while α-SMA demonstrated an increase in P7 cells, ignoring the damage from AGEs (p < 0.05). In an STZ-induced diabetic C57BL/6J mice whole-skin defect model, the healing rate of the hPDLSCs treatment group was significantly higher than that in the models (on the 7th day, the rate was 65.247% vs. 48.938%, p < 0.05). hPDLSCs have been shown to spontaneously differentiate into myofibroblasts in H-DMEM and resist damage from AGEs in both in vivo and in vitro models, suggesting their potential in the field of cosmetic dermatology.
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Affiliation(s)
- Yuxiao Li
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
- School of Stomatology, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Z.)
- The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Qi Su
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
- School of Stomatology, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Z.)
- The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Zhaoyu Tao
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
- School of Stomatology, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Z.)
- The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Xiang Cai
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
| | - Yueping Zhao
- School of Stomatology, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Z.)
- The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Zhiying Zhou
- School of Stomatology, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Z.)
- The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Yadong Huang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
| | - Qi Xiang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; (Y.L.); (Q.S.); (Z.T.); (X.C.); (Y.H.)
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Del Carmen Fernández-Fígares Jiménez M. Plant foods, healthy plant-based diets, and type 2 diabetes: a review of the evidence. Nutr Rev 2024; 82:929-948. [PMID: 37550262 DOI: 10.1093/nutrit/nuad099] [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] [Indexed: 08/09/2023] Open
Abstract
Type 2 diabetes (T2D) is a metabolic chronic disease in which insulin resistance and insufficient insulin production lead to elevated blood glucose levels. The prevalence of T2D is growing worldwide, mainly due to obesity and the adoption of Western diets. Replacing animal foods with healthy plant foods is associated with a lower risk of T2D in prospective studies. In randomized controlled trials, the consumption of healthy plant foods in place of animal foods led to cardiometabolic improvements in patients with T2D or who were at high risk of the disease. Dietary patterns that limit or exclude animal foods and focus on healthy plant foods (eg, fruits, vegetables, whole grains, nuts, legumes), known as healthy, plant-based diets, are consistently associated with a lower risk of T2D in cohort studies. The aim of this review is to examine the differential effects of plant foods and animal foods on T2D risk and to describe the existing literature about the role of healthy, plant-based diets, particularly healthy vegan diets, in T2D prevention and management. The evidence from cohort studies and randomized controlled trials will be reported, in addition to the potential biological mechanisms that seem to be involved.
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Li Z, Zhao Z, Chen S, Wang X, Wang D, Nie X, Yao Y. Ge-Gen-Qin-Lian decoction alleviates the symptoms of type 2 diabetes mellitus with inflammatory bowel disease via regulating the AGE-RAGE pathway. BMC Complement Med Ther 2024; 24:225. [PMID: 38858747 PMCID: PMC11163797 DOI: 10.1186/s12906-024-04526-x] [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: 04/11/2024] [Accepted: 05/28/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND This study aimed to explore the mechanism of Ge-Gen-Qin-Lian decoction (GGQLD) in the alleviation of symptoms of type 2 diabetes mellitus (T2DM) with inflammatory bowel disease (IBD) by network pharmacology and experimental validation. METHODS The active components and targets of GGQLD were identified from the TCMSP database. The potential therapeutic targets of T2DM and IBD were identified from the GEO database and 4 online disease target databases. The PPI network and KEGG/GO analyses were performed with the common targets among GGQLD, T2DM and IBD. Molecular docking was carried out between the core compounds and hub targets. To verify the above results, UHPLC-MS technology was used to identify the chemical compounds in GGQLD, and a T2DM with IBD rat model was used to explore the mechanism by which GGQLD treats T2DM with IBD. RESULTS Totally, 70 potential therapeutic targets were identified among GGQLD, T2DM and IBD. Ten hub genes were selected from the PPI network. KEGG analysis revealed that GGQLD is tightly involved in the AGE-RAGE signaling pathway. Berberine, baicalein, wogonin, and quercitrin are the main active compounds of GGQLD. Animal experiments showed that GGQLD could decrease blood glucose and alleviate intestinal inflammation. Notably, the concentrations of AGEs, the expression of RAGE, c-JUN and NF-κB and the expression of inflammatory cytokines were decreased by GGQLD. CONCLUSIONS Our study initially demonstrated that GGQLD has favorable anti-hyperglycemic and anti-intestinal inflammation effects in a T2DM with IBD rat model, and the AGE-RAGE pathway plays a vital role in this process.
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Affiliation(s)
- Zhipeng Li
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China
| | - Ziwei Zhao
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China
- Institute of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Shujuan Chen
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China
| | - Xiaojuan Wang
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China
| | - Dongsheng Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Xiaoli Nie
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China.
| | - Ye Yao
- Department of Nephrology, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, No. 13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong Province, 510315, China.
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