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Bioactive Compounds for Metabolic Syndrome and Type 2 Diabetes 3.0

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Medicinal Chemistry".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 11659

Special Issue Editor


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Guest Editor
Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, H-4032 Debrecen, Hungary
Interests: dyslipidemia; atherosclerosis; echocardiography; oxidative stress; cardioprotection; type 2 diabetes; bioactive compounds; chronic diseases; nutraceuticals
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Special Issue Information

Dear Colleagues,

Metabolic syndrome and type 2 diabetes are still the major causes of morbidity and mortality among elderly people, with an increasing prevalence worldwide. These disorders cause micro- and macrovascular damage, leading to consequences such as CAD, ischemia, heart failure, stroke, neuronal disturbances, reproductive and joint diseases, and other syndromes characterized by dysregulated inflammatory processes, and degradation of tissue function, despite numerous recommendations emphasizing lifestyle changes, pharmacotherapy, and surgical procedures as essential in the prevention and treatment of these syndromes, especially in more severe or chronic cases.

Bioactive compounds (phytonutrients or functional foods) and their derivates, biological antibodies, have been defined as the extra nutritional constituents that are derived from natural products in small quantities. These molecules are mainly phytochemicals that can modulate metabolic processes, resulting in the promotion of better health. The bioaccessibility and bioavailability of each bioactive compound differs greatly, since several bioactive plant compounds are produced as secondary metabolites that are not essential for the daily functioning of the plant (such as growth), but which play a significant role in competition, defense, attraction and signaling. Bioactive compounds in plants, animals, mushrooms, etc. can be specified as secondary metabolites eliciting pharmacological or toxicological effects in humans and animals. They include various molecules such as flavonoids, carotenoids, carnitine, choline, coenzyme Q, creatine, dithiolthiones, phytosterols, polysaccharides, phytoestrogens, glucosinolates, polyphenols, anthocyanins, prebiotics, taurine, other derivates or even animal toxins and/or antibodies.

This Special Issue aims to bring together food chemistry and food technology (with analysis or characterization of natural compounds) in medical interest and nutraceutical studies (for diet therapy) to identify and discuss cutting-edge research on novel ways in the treatment of metabolic syndrome and type 2 diabetes.

Dr. Béla Juhász
Guest Editor

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Keywords

  • Metabolic syndrome
  • Diabetes
  • Dyslipidemia
  • Cardiovascular diseases
  • Obesity
  • Insulin resistance
  • Bioactive compounds
  • Biological therapy
  • Nutraceuticals
  • Natural products and derivates
  • Food chemistry

Published Papers (3 papers)

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Research

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22 pages, 3895 KiB  
Article
Lipolytic Postbiotic from Lactobacillus paracasei Manages Metabolic Syndrome in Albino Wistar Rats
by Ali Osman, Nashwa El-Gazzar, Taghreed N. Almanaa, Abdalla El-Hadary and Mahmoud Sitohy
Molecules 2021, 26(2), 472; https://doi.org/10.3390/molecules26020472 - 18 Jan 2021
Cited by 27 | Viewed by 4655
Abstract
The current study investigates the capacity of a lipolytic Lactobacillus paracasei postbiotic as a possible regulator for lipid metabolism by targeting metabolic syndrome as a possibly safer anti-obesity and Anti-dyslipidemia agent replacing atorvastatin (ATOR) and other drugs with proven or suspected health hazards. [...] Read more.
The current study investigates the capacity of a lipolytic Lactobacillus paracasei postbiotic as a possible regulator for lipid metabolism by targeting metabolic syndrome as a possibly safer anti-obesity and Anti-dyslipidemia agent replacing atorvastatin (ATOR) and other drugs with proven or suspected health hazards. The high DPPH (1,1-diphenyl-2-picrylhydrazyl) and ABTS [2,2′-azino-bis (3-ethyl benzothiazoline-6-sulphonic acid)] scavenging activity and high activities of antioxidant enzyme such as superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-px) of the Lactobacillus paracasei postbiotic (cell-free extract), coupled with considerable lipolytic activity, may support its action against metabolic syndrome. Lactobacillus paracasei isolate was obtained from an Egyptian cheese sample, identified and used for preparing the postbiotic. The postbiotic was characterized and administered to high-fat diet (HFD) albino rats (100 and 200 mg kg−1) for nine weeks, as compared to atorvastatin (ATOR; 10 mg kg−1). The postbiotic could correct the disruption in lipid metabolism and antioxidant enzymes in HFD rats more effectively than ATOR. The two levels of the postbiotic (100 and 200 mg kg−1) reduced total serum lipids by 29% and 34% and serum triglyceride by 32–45% of the positive control level, compared to only 25% and 35% in ATOR’s case, respectively. Both ATOR and the postbiotic (200 mg kg−1) equally decreased total serum cholesterol by about 40% and 39%, while equally raising HDL levels by 28% and 30% of the positive control. The postbiotic counteracted HFD-induced body weight increases more effectively than ATOR without affecting liver and kidney functions or liver histopathology, at the optimal dose of each. The postbiotic is a safer substitute for ATOR in treating metabolic syndrome. Full article
(This article belongs to the Special Issue Bioactive Compounds for Metabolic Syndrome and Type 2 Diabetes 3.0)
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15 pages, 1717 KiB  
Article
Copper Ionophores as Novel Antiobesity Therapeutics
by Peter M. Meggyesy, Shashank Masaldan, Sharnel A. S. Clatworthy, Irene Volitakis, Daniel J. Eyckens, Kathryn Aston-Mourney and Michael A. Cater
Molecules 2020, 25(21), 4957; https://doi.org/10.3390/molecules25214957 - 27 Oct 2020
Cited by 8 | Viewed by 2647
Abstract
The therapeutic utility of the copper ionophore disulfiram was investigated in a diet-induced obesity mouse model (C57BL/6J background), both through administration in feed (0.05 to 1% (w/w)) and via oral gavage (150 mg/kg) for up to eight weeks. Mice were monitored [...] Read more.
The therapeutic utility of the copper ionophore disulfiram was investigated in a diet-induced obesity mouse model (C57BL/6J background), both through administration in feed (0.05 to 1% (w/w)) and via oral gavage (150 mg/kg) for up to eight weeks. Mice were monitored for body weight, fat deposition (perigonadal fat pads), metabolic changes (e.g., glucose dyshomeostasis) and pathologies (e.g., hepatic steatosis, hyperglycaemia and hypertriglyceridemia) associated with a high-fat diet. Metal-related pharmacological effects across major organs and serums were investigated using inductively coupled plasma mass spectrometry (ICP-MS). Disulfiram treatments (all modes) augmented hepatic copper in mice, markedly moderated body weight and abolished the deleterious systemic changes associated with a high-fat diet. Likewise, another chemically distinct copper ionophore H2(gtsm), administered daily (oral gavage), also augmented hepatic copper and moderated mouse body weight. Postmortem histological examinations of the liver and other major organs, together with serum aminotransferases, supported the reported therapeutic safety of disulfiram. Disulfiram specifically altered systemic copper in mice and altered hepatic copper metabolism, perturbing the incorporation of copper into ceruloplasmin (holo-ceruloplasmin biosynthesis) and subsequently reducing serum copper concentrations. Serum ceruloplasmin represents a biomarker for disulfiram activity. Our results establish copper ionophores as a potential class of antiobesity agents. Full article
(This article belongs to the Special Issue Bioactive Compounds for Metabolic Syndrome and Type 2 Diabetes 3.0)
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Review

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18 pages, 1232 KiB  
Review
Bioactive Agent Discovery from the Natural Compounds for the Treatment of Type 2 Diabetes Rat Model
by Shih-Chun Yang, Ching-Yun Hsu, Wei-Ling Chou, Jia-You Fang and Shih-Yi Chuang
Molecules 2020, 25(23), 5713; https://doi.org/10.3390/molecules25235713 - 3 Dec 2020
Cited by 18 | Viewed by 3704
Abstract
Diabetes mellitus is a well-known chronic metabolic disease that poses a long-term threat to human health and is characterized by a relative or absolute lack of insulin, resulting in hyperglycemia. Type 2 diabetes mellitus (T2DM) typically affects many metabolic pathways, resulting in β-cell [...] Read more.
Diabetes mellitus is a well-known chronic metabolic disease that poses a long-term threat to human health and is characterized by a relative or absolute lack of insulin, resulting in hyperglycemia. Type 2 diabetes mellitus (T2DM) typically affects many metabolic pathways, resulting in β-cell dysfunction, insulin resistance, abnormal blood glucose levels, inflammatory processes, excessive oxidative reactions, and impaired lipid metabolism. It also leads to diabetes-related complications in many organ systems. Antidiabetic drugs have been approved for the treatment of hyperglycemia in T2DM; these are beneficial for glucose metabolism and promote weight loss, but have the risk of side effects, such as nausea or an upset stomach. A wide range of active components, derived from medicinal plants, such as alkaloids, flavonoids, polyphenol, quinones, and terpenoids may act as alternative sources of antidiabetic agents. They are usually attributed to improvements in pancreatic function by increasing insulin secretions or by reducing the intestinal absorption of glucose. Ease of availability, low cost, least undesirable side effects, and powerful pharmacological actions make plant-based preparations the key player of all available treatments. Based on the study of therapeutic reagents in the pathogenesis of humans, we use the appropriate animal models of T2DM to evaluate medicinal plant treatments. Many of the rat models have characteristics similar to those in humans and have the advantages of ease of genetic manipulation, a short breeding span, and access to physiological and invasive testing. In this review, we summarize the pathophysiological status of T2DM rat models and focus on several bioactive compounds from herbal medicine with different functional groups that exhibit therapeutic potential in the T2DM rat models, in turn, may guide future approach in treating diabetes with natural drugs. Full article
(This article belongs to the Special Issue Bioactive Compounds for Metabolic Syndrome and Type 2 Diabetes 3.0)
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