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1.
Ren Fail ; 46(1): 2336128, 2024 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38575340

RESUMO

Chronic kidney disease (CKD) with high morbidity and mortality all over the world is characterized by decreased kidney function, a condition which can result from numerous risk factors, including diabetes, hypertension and obesity. Despite significant advances in our understanding of the pathogenesis of CKD, there are still no treatments that can effectively combat CKD, which underscores the urgent need for further study into the pathological mechanisms underlying this condition. In this regard, animal models of CKD are indispensable. This article reviews a widely used animal model of CKD, which is induced by adenine. While a physiologic dose of adenine is beneficial in terms of biological activity, a high dose of adenine is known to induce renal disease in the organism. Following a brief description of the procedure for disease induction by adenine, major mechanisms of adenine-induced CKD are then reviewed, including inflammation, oxidative stress, programmed cell death, metabolic disorders, and fibrillation. Finally, the application and future perspective of this adenine-induced CKD model as a platform for testing the efficacy of a variety of therapeutic approaches is also discussed. Given the simplicity and reproducibility of this animal model, it remains a valuable tool for studying the pathological mechanisms of CKD and identifying therapeutic targets to fight CKD.


Assuntos
Rim , Insuficiência Renal Crônica , Animais , Rim/patologia , Adenina , Reprodutibilidade dos Testes , Modelos Animais de Doenças , Insuficiência Renal Crônica/tratamento farmacológico
2.
BMJ Case Rep ; 17(3)2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-38490702

RESUMO

Multiple acyl-coenzyme A dehydrogenase deficiency (MADD) is a rare metabolic disorder which typically manifests with muscle weakness. However, despite late-onset MADD being treatable, it is often misdiagnosed, due in part to the heterogeneity of presentations. We report a case of late-onset MADD manifesting first as a sensory neuropathy before progressing to myopathic symptoms and acute metabolic decompensation. Early diagnostic workup with acylcarnitine profiling and organic acid analysis was critical in patient outcome; metabolic decompensation and myopathic symptoms were completely reversed with riboflavin supplementation and dietary modification, although sensory neuropathy persisted. Clinical consideration of MADD as part of the differential diagnosis of neuropathy with myopathy is crucial for a timely diagnosis and treatment of MADD.


Assuntos
Deficiência Múltipla de Acil Coenzima A Desidrogenase , Doenças do Sistema Nervoso Periférico , Humanos , Acil-CoA Desidrogenase , Mutação , Flavoproteínas Transferidoras de Elétrons/genética , Doenças do Sistema Nervoso Periférico/tratamento farmacológico , Deficiência Múltipla de Acil Coenzima A Desidrogenase/complicações , Deficiência Múltipla de Acil Coenzima A Desidrogenase/diagnóstico , Deficiência Múltipla de Acil Coenzima A Desidrogenase/tratamento farmacológico , Riboflavina/uso terapêutico , Doenças Raras/tratamento farmacológico
3.
Precis Clin Med ; 7(1): pbae003, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38495337

RESUMO

Background: Accumulating evidence suggests that metabolic disorders, including type 2 diabetes mellitus (T2DM), can be treated with traditional Chinese medicine formulas, such as the Gegen Qinlian decoction (GQD). This study elucidates the mechanisms by which gut microbes mediate the anti-diabetic effects of GQD. Methods: We conducted a double-blind randomized clinical trial involving 120 untreated participants with T2DM. During the 12-week intervention, anthropometric measurements and diabetic traits were recorded every 4 weeks. Fecal microbiota and serum metabolites were measured before and after the intervention using 16S rDNA sequencing, liquid chromatography-mass spectrometry, and Bio-Plex panels. Results: Anti-diabetic effects were observed in the GQD group in the human trial. Specifically, glycated hemoglobin, fasting plasma glucose, and two-hour postprandial blood glucose levels were significantly lower in the GQD group than in the placebo group. Additionally, Faecalibacterium was significantly enriched in the GQD group, and the short-chain fatty acid levels were higher and the serum inflammation-associated marker levels were lower in the GQD group compared to the placebo group. Moreover, Faecalibacterium abundance negatively correlated with the levels of serum hemoglobin, fasting plasma glucose, and pro-inflammatory cytokines. Finally, the diabetes-alleviating effect of Faecalibacterium was confirmed by oral administration of Faecalibacterium prausnitzii (DSMZ 17677) in T2DM mouse model. Conclusions: GQD improved type 2 diabetes primarily by modulating the abundance of Faecalibacterium in the gut microbiota, alleviating metabolic disorders and the inflammatory state. Trial registration: Registry No. ChiCTR-IOR-15006626.

4.
J Tradit Complement Med ; 14(2): 162-172, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38481548

RESUMO

Background and aim: Phytoformulation therapy is a pioneering strategy for the treatment of metabolic disorders and related diseases. The aim of the present study was to investigate the protective effect of a phytoformulation consisting of hydroxycitric acid and capsaicin against obesity-related cardiomyopathy. Experimental procedure: Sprague-Dawley rats were fed HFD for 21 weeks, and phytoformulation (100 mg/kg body weight) was administered orally for 45 days starting at week 16. Results and conclusion: We found that HFD supplementation resulted in significant hyperglycemia and caused an increase in cardiac lipid deposition, inflammation and apoptosis in the heart. Phytoformulation therapy not only significantly decreased blood levels of glucose, cholesterol, triglycerides, free fatty acids, and inflammatory cytokines in obese rats, but also protected cardiac tissue, as shown by histological analysis. Conversely, phytoformulation therapy decreased mRNA levels for sterol regulatory element-binding factor 1, fatty acid synthase, acetyl-CoA carboxylase, and fatty acid binding protein 1 genes involved in fatty acid synthesis and absorption in obese rats. It increased the levels of lysosomal acid lipase, hormone-sensitive lipase, and lipoprotein lipase genes involved in fatty acid degradation in the heart. In addition, the phytoformulation improved cardiac inflammation and apoptosis by downregulating the genes nuclear factor kappa-light-chain enhancer of activated B cells (NF-kB), tumour necrosis factor α, interleukin-6, toll-like receptor-4 (TLR-4), BCL2-associated X and caspase-3. In conclusion, our results show that the phytoformulation improved insulin sensitivity and attenuated myocardial lipid accumulation, inflammation, and apoptosis in the heart of HFD-induced obese rats by regulating fatty acid metabolism genes and downregulating NF-kB/TLR-4/caspase-3.

5.
Int J Nanomedicine ; 19: 2409-2428, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38476281

RESUMO

Background and Purpose: Nitidine chloride (NC) is a botanical drug renowned for its potent anti-inflammatory, antimalarial, and hepatocellular carcinoma-inhibiting properties; however, its limited solubility poses challenges to its development and application. To address this issue, we have devised a colon-targeted delivery system (NC-CS/PT-NPs) aimed at modulating the dysbiosis of the gut microbiota by augmenting the interaction between NC and the intestinal microbiota, thereby exerting an effect against nonalcoholic fatty liver disease. Methods: The NC-CS/PT-NPs were synthesized using the ion gel method. Subsequently, the particle size distribution, morphology, drug loading efficiency, and release behavior of the NC-CS/PT-NPs were characterized. Furthermore, the impact of NC-CS/PT-NPs on non-alcoholic fatty liver disease (NAFLD) induced by a high-fat diet (HFD) in mice was investigated through serum biochemical analysis, ELISA, and histochemical staining. Additionally, the influence of NC-CS/PT-NPs on intestinal microbiota was analyzed using 16S rDNA gene sequencing. Results: The nanoparticles prepared in this study have an average particle size of (255.9±5.10) nm, with an encapsulation rate of (72.83±2.13) % and a drug loading of (4.65±0.44) %. In vitro release experiments demonstrated that the cumulative release rate in the stomach and small intestine was lower than 22.0%, while it reached 66.75% in the colon. In vivo experiments conducted on HFD-induced NAFLD mice showed that treatment with NC-CS/PT-NPs inhibited weight gain, decreased serum aspartate aminotransferase (AST), Alanine aminotransferase (ALT) and lipid levels, improved liver and intestinal inflammation, and altered the diversity of gut microbiota in mice. Conclusion: This study provides new evidence for the treatment of NAFLD through the regulation of gut microbiota using active ingredients from traditional Chinese medicine.


Assuntos
Benzofenantridinas , Microbioma Gastrointestinal , Hepatopatia Gordurosa não Alcoólica , Camundongos , Animais , Hepatopatia Gordurosa não Alcoólica/tratamento farmacológico , Fígado , Intestino Delgado , Dieta Hiperlipídica , Camundongos Endogâmicos C57BL
6.
Zhongguo Zhen Jiu ; 44(3): 333-337, 2024 Mar 12.
Artigo em Inglês, Chinês | MEDLINE | ID: mdl-38467510

RESUMO

Pancreatic adipose tissue serves as a crucial structural basis for the development of glycolipid metabolic disorders. Understanding the mechanisms underlying pancreatic adipose tissue infiltration and regulatory strategies is essential for early intervention in glycolipid metabolic disorders. Pancreatic adipose tissue functions as a significant medium linking systemic immune metabolism, while the pancreatic vascular system emerges as a novel target for sensing pancreatic immune responses and maintaining the body's energy homeostasis, collectively participating in the development of glycolipid metabolic disorders. Acupuncture possesses potential effects in modulating the interaction between resident macrophages and adipocytes in the pancreas, leading to the reversible reduction of excessive pancreatic adipose accumulation, with its action being vascular-dependent.


Assuntos
Terapia por Acupuntura , Doenças Metabólicas , Humanos , Tecido Adiposo/metabolismo , Adipócitos/metabolismo , Pâncreas , Doenças Metabólicas/terapia , Doenças Metabólicas/metabolismo
7.
Fitoterapia ; 175: 105922, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38552806

RESUMO

Type 2 diabetes (T2D) remains a major chronic metabolic disorder affecting hundreds of millions of the global population, mostly among adults, engendering high rates of morbidity and mortality. It is characterized by complex aetiologies including insulin deficiency and resistance, and hyperglycemia, and these significantly constitute therapeutic challenges. Several pathways have been implicated in its pathophysiology and treatment including the epigenetic regulatory mechanism, notably, deoxyribonucleic acid (DNA) methylation/demethylation, histone modification, non-coding ribonucleic acid (ncRNA) modulation and other relevant pathways. Many studies have recently documented the implications of phytochemicals on the aforementioned biomarkers in the pathogenesis and treatment of T2D. In this review, the cellular and molecular mechanisms of the epigenetic effects of some bioactive alkaloidal and phenolic phytochemicals as potential therapeutic alternatives for T2D have been overviewed from the recent literature (2019-2024). From the survey, the natural product-based compounds, C1-C32 were curated as potent epigenetic modulators for T2D. Their cellular and molecular mechanisms of anti-T2D activities with relevant epigenetic biomarkers were revealed. Although, more comprehensive experimental analyses are observably required for validating their activity and toxicological indices. Thus, perspectives and challenges were enumerated for such demanding future translational studies. The review reveals advances in scientific efforts towards reversing the global trend of T2D through epigenetic phytotherapeutics.


Assuntos
Diabetes Mellitus Tipo 2 , Epigênese Genética , Fenóis , Compostos Fitoquímicos , Compostos Fitoquímicos/farmacologia , Compostos Fitoquímicos/isolamento & purificação , Humanos , Diabetes Mellitus Tipo 2/tratamento farmacológico , Fenóis/farmacologia , Fenóis/química , Epigênese Genética/efeitos dos fármacos , Alcaloides/farmacologia , Alcaloides/isolamento & purificação , Hipoglicemiantes/farmacologia , Animais , Estrutura Molecular
8.
Nutrients ; 16(4)2024 Feb 10.
Artigo em Inglês | MEDLINE | ID: mdl-38398830

RESUMO

The escalating prevalence of metabolic and cardiometabolic disorders, often characterized by oxidative stress and chronic inflammation, poses significant health challenges globally. As the traditional therapeutic approaches may sometimes fall short in managing these health conditions, attention is growing toward nutraceuticals worldwide; with compounds being obtained from natural sources with potential therapeutic beneficial effects being shown to potentially support and, in some cases, replace pharmacological treatments, especially for individuals who do not qualify for conventional pharmacological treatments. This review delves into the burgeoning field of nutraceutical-based pharmacological modulation as a promising strategy for attenuating oxidative stress and inflammation in metabolic and cardiometabolic disorders. Drawing from an extensive body of research, the review showcases various nutraceutical agents, such as polyphenols, omega-3 fatty acids, and antioxidants, which exhibit antioxidative and anti-inflammatory properties. All these can be classified as novel nutraceutical-based drugs that are capable of regulating pathways to mitigate oxidative-stress- and inflammation-associated metabolic diseases. By exploring the mechanisms through which nutraceuticals interact with oxidative stress pathways and immune responses, this review highlights their potential to restore redox balance and temper chronic inflammation. Additionally, the challenges and prospects of nutraceutical-based interventions are discussed, encompassing bioavailability enhancement, personalized treatment approaches, and clinical translation. Through a comprehensive analysis of the latest scientific reports, this article underscores the potential of nutraceutical-based pharmacological treatment modulation as a novel avenue to fight oxidative stress and inflammation in the complex landscape of metabolic disorders, particularly accentuating their impact on cardiovascular health.


Assuntos
Doenças Cardiovasculares , Doenças Metabólicas , Humanos , Suplementos Nutricionais , Estresse Oxidativo , Antioxidantes/farmacologia , Inflamação/metabolismo , Doenças Metabólicas/prevenção & controle , Doenças Metabólicas/tratamento farmacológico , Doenças Cardiovasculares/prevenção & controle , Doenças Cardiovasculares/tratamento farmacológico
9.
Biomolecules ; 14(2)2024 Feb 14.
Artigo em Inglês | MEDLINE | ID: mdl-38397458

RESUMO

Polyphenols, long-used components of medicinal plants, have drawn great interest in recent years as potential therapeutic agents because of their safety, efficacy, and wide range of biological effects. Approximately 75% of the world's population still use plant-based medicinal compounds, indicating the ongoing significance of phytochemicals for human health. This study emphasizes the growing body of research investigating the anti-adipogenic and anti-obesity functions of polyphenols. The functions of polyphenols, including phenylpropanoids, flavonoids, terpenoids, alkaloids, glycosides, and phenolic acids, are distinct due to changes in chemical diversity and structural characteristics. This review methodically investigates the mechanisms by which naturally occurring polyphenols mediate obesity and metabolic function in immunomodulation. To this end, hormonal control of hunger has the potential to inhibit pro-obesity enzymes such as pancreatic lipase, the promotion of energy expenditure, and the modulation of adipocytokine production. Specifically, polyphenols affect insulin, a hormone that is essential for regulating blood sugar, and they also play a role, in part, in a complex web of factors that affect the progression of obesity. This review also explores the immunomodulatory properties of polyphenols, providing insight into their ability to improve immune function and the effects of polyphenols on gut health, improving the number of commensal bacteria, cytokine production suppression, and immune cell mediation, including natural killer cells and macrophages. Taken together, continuous studies are required to understand the prudent and precise mechanisms underlying polyphenols' therapeutic potential in obesity and immunomodulation. In the interim, this review emphasizes a holistic approach to health and promotes the consumption of a wide range of foods and drinks high in polyphenols. This review lays the groundwork for future developments, indicating that the components of polyphenols and their derivatives may provide the answer to urgent worldwide health issues. This compilation of the body of knowledge paves the way for future discoveries in the global treatment of pressing health concerns in obesity and metabolic diseases.


Assuntos
Alcaloides , Polifenóis , Humanos , Polifenóis/farmacologia , Polifenóis/uso terapêutico , Polifenóis/metabolismo , Obesidade/metabolismo , Flavonoides , Imunidade
10.
J Nutr Biochem ; 124: 109533, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-37977406

RESUMO

The prevalences of diabetes mellitus and obesity are increasing yearly and has become a serious social burden. In addition to genetic factors, environmental factors in early life development are critical in influencing the prevalence of metabolic disorders in offspring. A growing body of evidence suggests the critical role of early methyl donor intervention in offspring health. Emerging studies have shown that methyl donors can influence offspring metabolism through epigenetic modifications and changing metabolism-related genes. In this review, we focus on the role of folic acid, betaine, vitamin B12, methionine, and choline in protecting against metabolic disorders in offspring. To address the current evidence on the potential role of maternal methyl donors, we summarize clinical studies as well as experimental animal models that support the impact of maternal methyl donors on offspring metabolism and discuss the mechanisms of action that may bring about these positive effects. Given the worldwide prevalence of metabolic disorders, these findings could be utilized in clinical practice, in which methyl donor supplementation in the early life years may reverse metabolic disorders in offspring and block the harmful intergenerational effect.


Assuntos
Suplementos Nutricionais , Doenças Metabólicas , Animais , Betaína/farmacologia , Betaína/uso terapêutico , Metilação de DNA , Ácido Fólico/farmacologia , Ácido Fólico/uso terapêutico , Doenças Metabólicas/prevenção & controle , Humanos , Feminino , Gravidez
11.
J Agric Food Chem ; 71(51): 20701-20712, 2023 Dec 27.
Artigo em Inglês | MEDLINE | ID: mdl-38088361

RESUMO

Purple Pennisetum (Pennisetum purpureum Schumach), a hybrid between Taihucao No. 2 and the local wild species of purple Pennisetum, has dark red stems and leaves due to its anthocyanin content. This study explores the potential of purple napiergrass extracts (PNE) in alleviating obesity and metabolic disorders induced by a high-fat diet in mice, where 50% of the caloric content is derived from fat. Mice were orally administered low-dose or high-dose PNE alongside a high-fat diet. Experimental findings indicate that PNE attenuated weight gain, reduced liver, and adipose tissue weight, and lowered blood cholesterol, triglyceride, low-density lipoprotein, and blood sugar levels. Stained sections showed that PNE inhibited lipid accumulation and fat hypertrophy in the liver. Immunoblotting analysis suggested that PNE improved the inflammatory response associated with obesity, dyslipidemia, and hyperglycemia induced by a high-fat diet. Furthermore, PNE potentially functions as a PPAR-γ agonist, increasing the adiponectin (ADIPOQ) concentration and suppressing inflammatory factors, while elevating the anti-inflammatory factor interleukin-10 (IL-10) in the liver. PNE-treated mice showed enhanced activation of the phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) and AMP-activated protein kinase (AMPK) pathways and increased fatty acid oxidation and liver lipolysis. In conclusion, this study elucidated the mechanisms underlying the anti-inflammatory, PI3K/Akt, and AMPK pathways in a high-fat diet-induced obesity model. These findings highlight the potential of PNE in reducing weight, inhibiting inflammation, and improving blood sugar and lipid levels, showing the potential for addressing obesity-related metabolic disorders in humans.


Assuntos
Doenças Metabólicas , Pennisetum , Humanos , Camundongos , Animais , Proteínas Proto-Oncogênicas c-akt/metabolismo , Pennisetum/metabolismo , Fosfatidilinositol 3-Quinases/metabolismo , Dieta Hiperlipídica/efeitos adversos , Proteínas Quinases Ativadas por AMP/genética , Proteínas Quinases Ativadas por AMP/metabolismo , Glicemia/metabolismo , Extratos Vegetais/farmacologia , Obesidade/tratamento farmacológico , Obesidade/etiologia , Fígado/metabolismo , Triglicerídeos/metabolismo , Água/metabolismo , Doenças Metabólicas/tratamento farmacológico , Doenças Metabólicas/etiologia , Doenças Metabólicas/metabolismo , Anti-Inflamatórios/metabolismo , Camundongos Endogâmicos C57BL
12.
Nutrients ; 15(23)2023 Nov 22.
Artigo em Inglês | MEDLINE | ID: mdl-38068738

RESUMO

Modern research achievements support the health-promoting effects of natural products and diets rich in polyphenols. Pomegranate (PG) (Punica granatum L.) contains a considerable number of bioactive compounds that exert a broad spectrum of beneficial biological activities, including antimicrobial, antidiabetic, antiobesity, and atheroprotective properties. In this context, the reviewed literature shows that PG intake might reduce insulin resistance, cytokine levels, redox gene expression, blood pressure elevation, vascular injuries, and lipoprotein oxidative modifications. The lipid parameter corrective capabilities of PG-ellagitannins have also been extensively reported to be significantly effective in reducing hyperlipidemia (TC, LDL-C, VLDL-C, and TAGs), while increasing plasma HDL-C concentrations and improving the TC/HDL-C and LDL-C/HDL-C ratios. The health benefits of pomegranate consumption seem to be acheived through the amelioration of adipose tissue endocrine function, fatty acid utilization, GLUT receptor expression, paraoxonase activity enhancement, and the modulation of PPAR and NF-κB. While the results from animal experiments are promising, human findings published in this field are inconsistent and are still limited in several aspects. The present review aims to discuss and provide a critical analysis of PG's bioeffects on the components of metabolic syndrome, type-2 diabetes, obesity, and dyslipidemia, as well as on certain cardiovascular-related diseases. Additionally, a brief overview of the pharmacokinetic properties, safety, and bioavailability of PG-ellagitannins is included.


Assuntos
Lythraceae , Síndrome Metabólica , Punica granatum , Animais , Humanos , Polifenóis/farmacologia , Polifenóis/uso terapêutico , Polifenóis/análise , Síndrome Metabólica/tratamento farmacológico , Síndrome Metabólica/prevenção & controle , Taninos Hidrolisáveis/farmacologia , LDL-Colesterol , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico , Extratos Vegetais/análise
13.
Int J Mol Sci ; 24(23)2023 Nov 30.
Artigo em Inglês | MEDLINE | ID: mdl-38069347

RESUMO

Many inherited metabolic disorders (IMDs), including disorders of amino acid, fatty acid, and carbohydrate metabolism, are treated with a dietary reduction or exclusion of certain macronutrients, putting one at risk of a reduced intake of micronutrients. In this review, we aim to provide available evidence on the most common micronutrient deficits related to specific dietary approaches and on the management of their deficiency, in the meanwhile discussing the main critical points of each nutritional supplementation. The emerging concepts are that a great heterogeneity in clinical practice exists, as well as no univocal evidence on the most common micronutrient abnormalities. In phenylketonuria, for example, micronutrients are recommended to be supplemented through protein substitutes; however, not all formulas are equally supplemented and some of them are not added with micronutrients. Data on pyridoxine and riboflavin status in these patients are particularly scarce. In long-chain fatty acid oxidation disorders, no specific recommendations on micronutrient supplementation are available. Regarding carbohydrate metabolism disorders, the difficult-to-ascertain sugar content in supplementation formulas is still a matter of concern. A ketogenic diet may predispose one to both oligoelement deficits and their overload, and therefore deserves specific formulations. In conclusion, our overview points out the lack of unanimous approaches to micronutrient deficiencies, the need for specific formulations for IMDs, and the necessity of high-quality studies, particularly for some under-investigated deficits.


Assuntos
Doenças Metabólicas , Oligoelementos , Humanos , Dieta , Suplementos Nutricionais , Micronutrientes/uso terapêutico , Doenças Metabólicas/tratamento farmacológico , Ácidos Graxos
14.
Int J Mol Sci ; 24(24)2023 Dec 15.
Artigo em Inglês | MEDLINE | ID: mdl-38139366

RESUMO

This review is focused on synephrine, the principal phytochemical found in bitter orange and other medicinal plants and widely used as a dietary supplement for weight loss/body fat reduction. We examine different aspects of synephrine biology, delving into its established and potential molecular targets, as well as its mechanisms of action. We present an overview of the origin, chemical composition, receptors, and pharmacological properties of synephrine, including its anti-inflammatory and anti-cancer activity in various in vitro and animal models. Additionally, we conduct a comparative analysis of the molecular targets and effects of synephrine with those of its metabolite, selective glucocorticoid receptor agonist (SEGRA) Compound A (CpdA), which shares a similar chemical structure with synephrine. SEGRAs, including CpdA, have been extensively studied as glucocorticoid receptor activators that have a better benefit/risk profile than glucocorticoids due to their reduced adverse effects. We discuss the potential of synephrine usage as a template for the synthesis of new generation of non-steroidal SEGRAs. The review also provides insights into the safe pharmacological profile of synephrine.


Assuntos
Citrus , Sinefrina , Animais , Sinefrina/efeitos adversos , Receptores de Glucocorticoides/metabolismo , Extratos Vegetais/farmacologia , Anti-Inflamatórios , Citrus/metabolismo
15.
Int J Mol Sci ; 24(22)2023 Nov 20.
Artigo em Inglês | MEDLINE | ID: mdl-38003703

RESUMO

α-Amylase is a generally acknowledged molecular target of a distinct class of antidiabetic drugs named α-glucosidase inhibitors. This class of medications is scarce and rather underutilized, and treatment with current commercial drugs is accompanied by unpleasant adverse effects. However, mammalian α-amylase inhibitors are abundant in nature and form an extensive pool of high-affinity ligands that are available for drug discovery. Individual compounds and natural extracts and preparations are promising therapeutic agents for conditions associated with impaired starch metabolism, e.g., diabetes mellitus, obesity, and other metabolic disorders. This review focuses on the structural diversity and action mechanisms of active natural products with inhibitory activity toward mammalian α-amylases, and emphasizes proteinaceous inhibitors as more effective compounds with significant potential for clinical use.


Assuntos
Doenças Metabólicas , alfa-Amilases , Animais , Humanos , alfa-Amilases/metabolismo , Hipoglicemiantes/farmacologia , Hipoglicemiantes/uso terapêutico , Hipoglicemiantes/química , Inibidores de Glicosídeo Hidrolases/farmacologia , Inibidores de Glicosídeo Hidrolases/uso terapêutico , Inibidores de Glicosídeo Hidrolases/química , Doenças Metabólicas/tratamento farmacológico , alfa-Glucosidases/química , Extratos Vegetais/uso terapêutico , Mamíferos/metabolismo
17.
Front Biosci (Landmark Ed) ; 28(7): 142, 2023 Jul 21.
Artigo em Inglês | MEDLINE | ID: mdl-37525912

RESUMO

BACKGROUND: Aerial parts of Malva nicaeensis All. are preferred in the prevention and treatment of intestinal infections and hemorrhoids in Turkish traditional medicine. This study is planned to evaluate the pharmacological activity of M. nicaeensis extracts on rats with acetic acid-induced colitis. METHODS: The plant material was subsequently extracted with n-hexane, ethanol, and water, respectively. All of these extracts were tested for efficacy in the acetic acid-induced rat colitis model. The aqueous and polysaccharide extracts regulated cytokine levels and antioxidant parameters. Furthermore, the aqueous extract in particular regulated myeloperoxidase and caspase-3 levels in this rat model. In addition, the polysaccharide-rich fraction was separated from the aqueous extract. RESULTS: The polysaccharide-rich fraction and aqueous extract regulated cytokine levels and antioxidant parameters. The aqueous extract also positively affected myeloperoxidase and caspase-3 levels. The phytochemical studies revealed that the aqueous extract had the highest phenolic content. In addition, the polysaccharide fraction was found to contain total sugars, sulfated groups, uronic acids, and total proteins in 78.4%, 0.9%, 1.5%, and 14.7%, respectively, and was rich in monosaccharide-type compounds, especially galactose (36.4%). CONCLUSIONS: M. nicaeensis was discovered to be a drug lead in the future treatment of irritable bowel diseases or as a complementary therapeutic agent that aided conventional treatments.

18.
Front Endocrinol (Lausanne) ; 14: 1206353, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37441503

RESUMO

Introduction: Chaihu-Longgu-Muli decoction (CLMD) is a well-used ancient formula originally recorded in the "Treatise on Febrile Diseases" written by the founding theorist of Traditional Chinese Medicine, Doctor Zhang Zhongjing. While it has been used extensively as a therapeutic treatment for neuropsychiatric disorders, such as insomnia, anxiety and dementia, its mechanisms remain unclear. Methods: In order to analyze the therapeutic mechanism of CLMD in chronic renal failure and insomnia, An adenine diet-induced chronic kidney disease (CKD) model was established in mice, Furthermore, we analyzed the impact of CLMD on sleep behavior and cognitive function in CKD mice, as well as the production of insomnia related regulatory proteins and inflammatory factors. Results: CLMD significantly improved circadian rhythm and sleep disturbance in CKD mice. The insomnia related regulatory proteins, Orexin, Orexin R1, and Orexin R2 in the hypothalamus of CKD mice decreased significantly, while Orexin and its receptors increased remarkably after CLMD intervention. Following administration of CLMD, reduced neuron loss and improved learning as well as memory ability were observed in CKD mice. And CLMD intervention effectively improved the chronic inflflammatory state of CKD mice. Discussion: Our results showed that CLMD could improve sleep and cognitive levels in CKD mice. The mechanism may be related to the up-regulation of Orexin-A and increased phosphorylation level of CaMKK2/AMPK, which further inhibits NF-κB downstream signaling pathways, thereby improving the disordered inflammatory state in the central and peripheral system. However, More research is required to confirm the clinical significance of the study.


Assuntos
Medicamentos de Ervas Chinesas , Insuficiência Renal Crônica , Distúrbios do Início e da Manutenção do Sono , Camundongos , Animais , Orexinas , Distúrbios do Início e da Manutenção do Sono/tratamento farmacológico , Medicamentos de Ervas Chinesas/farmacologia , Medicamentos de Ervas Chinesas/uso terapêutico , Insuficiência Renal Crônica/complicações , Insuficiência Renal Crônica/tratamento farmacológico
19.
Int Rev Neurobiol ; 169: 259-315, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37482395

RESUMO

Since the discovery of the treatment for Wilson disease a growing number of treatable inherited dystonias have been identified and their search and treatment have progressively been implemented in the clinics of patients with dystonia. While waiting for gene therapy to be more widely and adequately translated into the clinical setting, the efforts to divert the natural course of dystonia reside in unveiling its pathogenesis. Specific metabolic treatments can rewrite the natural history of the disease by preventing neurotoxic metabolite accumulation or interfering with the cell accumulation of damaging metabolites, restoring energetic cell fuel, supplementing defective metabolites, and supplementing the defective enzyme. A metabolic derangement of cell homeostasis is part of the progression of many non-metabolic genetic lesions and could be the target for possible metabolic approaches. In this chapter, we provided an update on treatment strategies for treatable inherited dystonias and an overview of genetic dystonias with new experimental therapeutic approaches available or close to clinical translation.


Assuntos
Distonia , Distúrbios Distônicos , Degeneração Hepatolenticular , Doenças Metabólicas , Humanos , Distúrbios Distônicos/genética , Doenças Metabólicas/tratamento farmacológico , Redes e Vias Metabólicas
20.
Front Endocrinol (Lausanne) ; 14: 956772, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37260441

RESUMO

Polycystic ovary syndrome (PCOS) is a reproductive endocrine disease characterized by menstrual disorders, infertility, and obesity, often accompanied by insulin resistance and metabolic disorders. The pathogenesis of PCOS is relatively complex and has a certain relationship with endocrine disorders. The increase of androgen and luteinizing hormone (LH) is the main cause of a series of symptoms. Traditional Chinese medicine (TCM) has obvious advantages and significant curative effects in the treatment of this disease. It can effectively reduce the insulin level of PCOS patients, regulate lipid metabolism, and increase ovulation rate and pregnancy rate and has fewer side effects. This article reviews the efficacy and safety of Chinese herbs and other TCM (such as acupuncture) in the treatment of PCOS and its complications in recent years, as well as the effect and mechanism on cellular endocrine, in order to provide a new clinical idea for the treatment of PCOS.


Assuntos
Terapia por Acupuntura , Resistência à Insulina , Síndrome do Ovário Policístico , Gravidez , Feminino , Humanos , Síndrome do Ovário Policístico/metabolismo , Medicina Tradicional Chinesa , Taxa de Gravidez
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