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Glycyrrhizic Acid and Its Derivatives: Promising Candidates for the Management of Type 2 Diabetes Mellitus and Its Complications. Int J Mol Sci 2022; 23:ijms231910988. [PMID: 36232291 PMCID: PMC9569462 DOI: 10.3390/ijms231910988] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease, which is characterized by hyperglycemia, chronic insulin resistance, progressive decline in β-cell function, and defect in insulin secretion. It has become one of the leading causes of death worldwide. At present, there is no cure for T2DM, but it can be treated, and blood glucose levels can be controlled. It has been reported that diabetic patients may suffer from the adverse effects of conventional medicine. Therefore, alternative therapy, such as traditional Chinese medicine (TCM), can be used to manage and treat diabetes. In this review, glycyrrhizic acid (GL) and its derivatives are suggested to be promising candidates for the treatment of T2DM and its complications. It is the principal bioactive constituent in licorice, one type of TCM. This review comprehensively summarized the therapeutic effects and related mechanisms of GL and its derivatives in managing blood glucose levels and treating T2DM and its complications. In addition, it also discusses existing clinical trials and highlights the research gap in clinical research. In summary, this review can provide a further understanding of GL and its derivatives in T2DM as well as its complications and recent progress in the development of potential drugs targeting T2DM.
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Yusuf AP, Zhang JY, Li JQ, Muhammad A, Abubakar MB. Herbal medications and natural products for patients with covid-19 and diabetes mellitus: Potentials and challenges. PHYTOMEDICINE PLUS : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 2:100280. [PMID: 35463625 PMCID: PMC9014648 DOI: 10.1016/j.phyplu.2022.100280] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/25/2022] [Accepted: 04/12/2022] [Indexed: 04/21/2023]
Abstract
BACKGROUND The presence of diabetes mellitus (DM) among COVID-19 patients is associated with increased hospitalization, morbidity, and mortality. Evidence has shown that hyperglycemia potentiates SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) infection and plays a central role in severe COVID-19 and diabetes comorbidity. In this review, we explore the therapeutic potentials of herbal medications and natural products in the management of COVID-19 and DM comorbidity and the challenges associated with the preexisting or concurrent use of these substances. METHODS Research papers that were published from January 2016 to December 2021 were retrieved from PubMed, ScienceDirect, and Google Scholar databases. Papers reporting clinical evidence of antidiabetic activities and any available evidence of the anti-COVID-19 potential of ten selected natural products were retrieved and analyzed for discussion in this review. RESULTS A total of 548 papers (73 clinical trials on the antidiabetic activities of the selected natural products and 475 research and review articles on their anti-COVID-19 potential) were retrieved from the literature search for further analysis. A total of 517 articles (reviews and less relevant research papers) were excluded. A cumulative sum of thirty-one (31) research papers (20 clinical trials and 10 others) met the criteria and have been discussed in this review. CONCLUSION The findings of this review suggest that phenolic compounds are the most promising phytochemicals in the management of COVID-19 and DM comorbidity. Curcumin and propolis have shown substantial evidence against COVID-19 and DM in humans and are thus, considered the best potential therapeutic options.
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Key Words
- 8-OHDG, 8-hydroxy-2’-deoxyguanosine
- ACE2
- ACE2, Angiotensin-converting enzyme 2
- ADMA, asymmetric de-methyl-arginine
- ARDS, acute respiratory distress syndrome
- COVID-19
- Comorbidity
- DM, diabetes mellitus
- Diabetes
- FBS, fasting blood sugar
- GLUT-4, glucose transporter-4
- GSK-3β, glycogen synthase kinase-3β
- HDL, high-density lipoprotein
- HOMA, homeostasis model assessment
- Herbal medication
- IAPP, islet amyloid polypeptide
- IFN, interferon
- IFNAR2, interferon-alpha receptor 2
- IL-6, interleukin-6
- LDL, low-density lipoprotein
- MDA, malondialdehyde
- Mpro, main protease
- Natural products
- PLpro, papain-like protease
- PON1, paraoxonase-1
- RBD, receptor-binding domain
- RCT, randomized control trial
- RdRp, RNA-dependent RNA polymerase
- SARS-CoV-2, severe acute respiratory syndrome coronavirus-2
- SFJDC, Shufeng Jiedu Capsule
- T1D, type 1 diabetes
- T2D, type 2 diabetes
- TAC, total antioxidant capacity
- TMPRSS2, transmembrane protease serine 2
- hs-CRP, high-sensitivity C-reactive protein
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Affiliation(s)
- Abdurrahman Pharmacy Yusuf
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, P.M.B 65, Minna, Niger State, Nigeria
| | - Jian-Ye Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, P.R. China
| | - Jing-Quan Li
- The first Affiliated Hospital, Hainan Medical University, Haikou, P.R. China
| | - Aliyu Muhammad
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University Zaria, 810107, Kaduna State, Nigeria
| | - Murtala Bello Abubakar
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
- Department of Physiology, Faculty of Basic Medical Sciences, College of Health Sciences, Usmanu Danfodiyo University, P.M.B. 2254, Sokoto, Nigeria
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Minnetti M, De Alcubierre D, Bonaventura I, Pofi R, Hasenmajer V, Tarsitano MG, Gianfrilli D, Poggiogalle E, Isidori AM. Effects of licorice on sex hormones and the reproductive system. Nutrition 2022; 103-104:111727. [DOI: 10.1016/j.nut.2022.111727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/13/2022] [Accepted: 04/28/2022] [Indexed: 10/31/2022]
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Possible ameliorating effects of Glycyrrhiza Glabra (Licorice) on the sperm parameters in rats under high fat diet. Endocr Regul 2021; 54:22-30. [PMID: 32597146 DOI: 10.2478/enr-2020-0004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
OBJECTIVES Adverse effects of obesity, which is caused by an imbalance between the energy intake and expenditure, on the male reproductive system have been reported. Considering the anti-obesity effect of Glycyrrhiza Glabra (GC), we conducted this study to elucidate whether it can ameliorate the sperm parameters. METHODS In this experimental study, male Wistar rats of 6-8 weeks old were divided into four groups: control, high fat diet (HFD), GC50 (HFD plus 50 mg/kg GC extract), and GC100 (HFD plus 100 mg/kg GC extract). During the 16 weeks of the study course, the rats consumed the extract through gavage, daily. Body mass index (BMI), body weight gain, serum lipid profile, leptin concentration, and sperm parameters were investigated. Data were analyzed by one-way analysis of variance (ANOVA) (post hoc Tukey) to express the significance of mean differences of variables between groups, and linear regression test was used to express the correlation model of variables. Both tests were performed by SPSS software; p≤0.05 was considered significant. RESULTS BMI was significantly decreased by the GC50 and GC100 groups compared to HFD group. GC50 group considerably decreased leptin level compared to HFD group. A significant positive correlation between leptin and triglyceride levels was evident. GC50 and GC100 extensively increased the total sperm motility and ameliorated the sperm abnormal morphology and count compared to HFD group. CONCLUSION Glycyrrhiza Glabra extract may exert its ameliorating effects on the sperm parameters through its anti-obesity impact. Both doses of the extract were effective, however, the GC100 was more effective in improving the sperm parameters.
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Nebbioso M, Lambiase A, Armentano M, Tucciarone G, Bonfiglio V, Plateroti R, Alisi L. The Complex Relationship between Diabetic Retinopathy and High-Mobility Group Box: A Review of Molecular Pathways and Therapeutic Strategies. Antioxidants (Basel) 2020; 9:antiox9080666. [PMID: 32722545 PMCID: PMC7464385 DOI: 10.3390/antiox9080666] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/20/2020] [Accepted: 07/22/2020] [Indexed: 02/06/2023] Open
Abstract
High-mobility group box 1 (HMGB1) is a protein that is part of a larger family of non-histone nuclear proteins. HMGB1 is a ubiquitary protein with different isoforms, linked to numerous physiological and pathological pathways. HMGB1 is involved in cytokine and chemokine release, leukocyte activation and migration, tumorigenesis, neoangiogenesis, and the activation of several inflammatory pathways. HMGB1 is, in fact, responsible for the trigger, among others, of nuclear factor-κB (NF-κB), tumor necrosis factor-α (TNF-α), toll-like receptor-4 (TLR-4), and vascular endothelial growth factor (VEGF) pathways. Diabetic retinopathy (DR) is a common complication of diabetes mellitus (DM) that is rapidly growing in number. DR is an inflammatory disease caused by hyperglycemia, which determines the accumulation of oxidative stress and cell damage, which ultimately leads to hypoxia and neovascularization. Recent evidence has shown that hyperglycemia is responsible for the hyperexpression of HMGB1. This protein activates numerous pathways that cause the development of DR, and HMGB1 levels are constantly increased in diabetic retinas in both proliferative and non-proliferative stages of the disease. Several molecules, such as glycyrrhizin (GA), have proven effective in reducing diabetic damage to the retina through the inhibition of HMGB1. The main focus of this review is the growing amount of evidence linking HMGB1 and DR as well as the new therapeutic strategies involving this protein.
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Affiliation(s)
- Marcella Nebbioso
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
| | - Alessandro Lambiase
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
- Correspondence: ; Tel.: +39-06-4997-5357; Fax: +39-06-4997-5425
| | - Marta Armentano
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
| | - Giosuè Tucciarone
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
| | - Vincenza Bonfiglio
- Department of Ophthalmology, University of Catania, Via S. Sofia 76, 95100 Catania, Italy;
| | - Rocco Plateroti
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
| | - Ludovico Alisi
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I, Sapienza University of Rome, p. le A. Moro 5, 00185 Rome, Italy; (M.N.); (M.A.); (G.T.); (R.P.); (L.A.)
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Wang D, Wong HK, Zhang L, McAlonan GM, Wang XM, Sze SCW, Feng YB, Zhang ZJ. Not only dopamine D2 receptors involved in Peony-Glycyrrhiza Decoction, an herbal preparation against antipsychotic-associated hyperprolactinemia. Prog Neuropsychopharmacol Biol Psychiatry 2012; 39:332-8. [PMID: 22796279 DOI: 10.1016/j.pnpbp.2012.07.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2012] [Revised: 06/23/2012] [Accepted: 07/03/2012] [Indexed: 11/26/2022]
Abstract
Clinical studies have demonstrated the effectiveness of an herbal preparation called Peony-Glycyrrhiza Decoction (PGD) in alleviating antipsychotic-induced hyperprolactinemia (hyperPRL). In the present study, we further examined the pharmacological action of PGD on prolactin (PRL) secretion using in vitro and in vivo models, with specific attention to the role of dopaminergic mediators and other sex hormones. Treatment with PGD at 1-5mg/ml significantly suppressed PRL secretion and synthesis in MMQ cells, a model of hyperPRL derived from pituitary adenoma cells. The suppressive effects were completely abolished by pretreatment with 10μM haloperidol, a dopamine D(2) receptor antagonist. Consistent with a D(2)-action, PGD did not affect PRL in rat pituitary lactotropic tumor-derived GH3 cells that lack the D(2) receptor expression but significantly increased the expression of D(2) receptors and dopamine transporters (DAT) in PC12 cells. In a rat model of hyperPRL, produced by repeated injection of the dopamine blocker metoclopramide (MCP), chronic PGD (2.5-10g/kg daily) significantly reduced elevated serum PRL. The reduction in magnitude was similar to that elicited by bromocriptine (BMT), a dopamine D(2) receptor agonist currently used for treatment of hyperPRL. Neither PGD nor BMT altered serum estradiol, but PGD reversed decreased serum progesterone to control level, whereas BMT did not. These results indicate that the anti-hyperPRL effects of PGD are associated not only with D(2) receptor and DAT modulation, but also with a normalization of other sex hormone dysfunction. This experimental evidence supports clinical use of PGD as an effective treatment of antipsychotic-induced hyperPRL.
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Affiliation(s)
- Di Wang
- School of Chinese Medicine, LKS Faculty of Medicine, the University of Hong Kong, Hong Kong, China
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A randomized, crossover comparison of herbal medicine and bromocriptine against risperidone-induced hyperprolactinemia in patients with schizophrenia. J Clin Psychopharmacol 2008; 28:264-370. [PMID: 18480682 DOI: 10.1097/jcp.0b013e318172473c] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Hyperprolactinemia is a common adverse effect that occurs as a result of antipsychotic therapies, which often results in discontinuation. Empirical evidence has shown that some herbal medicines have suppressive effects on prolactin (PRL) hyperactivities. This study was designed to compare the herbal preparation called Peony-Glycyrrhiza Decoction (PGD) with bromocriptine (BMT), a dopamine agonist widely used for PRL-secreting disorders, in the treatment of risperidone-induced hyperprolactinemia. Twenty schizophrenic women who were under risperidone maintenance treatment, diagnosed with hyperprolactinemia (serum PRL levels >50 mug/L), and currently experiencing oligomenorrhea or amenorrhea were selected for the study. Subjects were randomized to additional treatment with PGD (45 g/d) followed by BMT (5 mg/d) or BMT followed by PGD at the same doses for 4 weeks each, with an interval of 4-week washout period between 2 treatment sessions. The severity of psychotic symptoms, adverse events, serum PRL, estradiol, testosterone, and progesterone levels were examined at baseline and end point. Peony-Glycyrrhiza Decoction treatment produced a significant baseline-end point decrease in serum PRL levels, without exacerbating psychosis and changing other hormones, and the decreased amplitudes were similar to those of BMT (24% vs 21%-38%). Moreover, there was a significantly greater proportion of patients during PGD treatment than BMT treatment showing improvements on adverse effects associated with hyperprolactinemia (56% vs 17%, P = 0.037). These results suggest that the herbal therapy can yield additional benefits while having comparable efficacy in treating antipsychotic-induced hyperprolactinemia in individuals with schizophrenia.
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Chen RYT, Wittert GA, Andrews GR. Relative androgen deficiency in relation to obesity and metabolic status in older men. Diabetes Obes Metab 2006; 8:429-35. [PMID: 16776750 DOI: 10.1111/j.1463-1326.2005.00532.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Although androgen deficiency in men has been linked with obesity and the metabolic syndrome, whether it predisposes to, or is a consequence of, type 2 diabetes mellitus (T2DM) is still unclear. OBJECTIVE To determine the relationship between plasma androgen levels, obesity, metabolic status and T2DM in men of 70 years or older. DESIGN AND METHODS A sample of 195 men from the Australian Longitudinal Study of Ageing with a mean age of 76.2 +/- 0.3 years were followed up for 8 years. Total testosterone (TT), fasting plasma glucose (FPG), urate, serum creatinine, total cholesterol (TC), HDL cholesterol (HDL-C), LDL cholesterol (LDL-C), triglycerides (TG), blood pressure (BP), body mass index (BMI), waist circumference (WC) and diabetic status were assessed at baseline. Self-reported diabetic status was obtained after 8 years. Metabolic syndrome was diagnosed based on the Third National Cholesterol Education Program Adult Treatment Panel clinical criteria. RESULTS TT levels were lower in diabetic men compared with non-diabetic men (12.1 +/- 0.7 vs. 14.2 +/- 0.4 nmol/l, p = 0.026). TT levels in healthy, non-diabetic men over 80 years of age were lower (11.9 +/- 0.8 vs. 15.0 +/- 0.5 nmol/l, p = 0.002) than TT levels in those aged 70-79 years, inversely related to BMI (r = -0.26, p = 0.001), WC (r = -0.30, p < 0.001) and TG (r = -0.22, p = 0.005) and positively related to LDL-C (r = 0.25, p = 0.002). Men with the metabolic syndrome had significantly lower levels of TT and HDL-C, and higher values of BP, FPG, TG, BMI and WC, compared with those without. However, no significant difference in plasma TT levels was noted between men with incident T2Dm and healthy men. Stepwise linear regression analysis revealed that only LDL-C and WC related significantly to the variance of TT. Multiple logistic regression revealed FPG to be the only independent predictor of incident diabetes (odds ratio = 60.2, p = 0.003). CONCLUSIONS Testosterone levels continue to decline even in healthy men over the age of 80 years. Although TT levels were inversely related to visceral obesity and several components of the metabolic syndrome, our data do not support a predictive or causative role for decreasing TT levels in the development of incident T2Dm. Androgen deficiency is consequent upon, rather than a cause of, poor metabolic status.
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Affiliation(s)
- R Y T Chen
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia.
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