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Fulltext Protective Effects of Polydatin Against Dementia-Related Disorders

Tang KS

Curr Neuropharmacol, 2021;19(2):127-135.
PMID: 32525774 DOI: 10.2174/1570159X18666200611144825

Dementia is a collection of symptoms affecting a person's cognition. Dementia is debilitating, and therefore, finding an effective treatment is of utmost importance. Resveratrol, which exhibits neuroprotective effects, has low bioavailability. However, its glucoside polydatin is more bioavailable. Here, the evidence that supports the protective role of polydatin against dementia- related diseases such as Alzheimer's disease, vascular dementia, alcohol-related dementia, and Lewy body dementias is presented. The beneficial effects of polydatin from a mechanistic perspective are specifically emphasized in this review. Future directions in this area of research are also discussed.

Matched MeSH terms: Glucosides/therapeutic use
Fulltext Safety of sodium-glucose cotransporter 2 inhibitors in Asian type 2 diabetes populations

Davidson JA, Sukor N, Hew FL, Mohamed M, Hussein Z

J Diabetes Investig, 2023 Feb;14(2):167-182.
PMID: 36260389 DOI: 10.1111/jdi.13915

The prevalence of type 2 diabetes mellitus continues to increase in many Asian countries, with possible contributing factors, such as younger-onset disease, diabetes development at lower body mass index, higher visceral fat accumulation and poorer β-cell function, among Asian populations. Sodium-glucose cotransporter 2 inhibitors have been shown to confer favorable effects in type 2 diabetes mellitus patients, such as improved glycemic control, weight and blood pressure reduction, and importantly, cardiorenal benefits. Sodium-glucose cotransporter 2 inhibitors are generally well-tolerated, and have a well-defined safety profile based on evidence from numerous clinical trials and post-marketing pharmacovigilance reporting. To our knowledge, this review is the first to provide a comprehensive coverage of the adverse events of sodium-glucose cotransporter 2 inhibitors, as well as their management and counseling aspects for Asian type 2 diabetes mellitus populations.

Matched MeSH terms: Glucosides/therapeutic use
Dapagliflozin: glucuretic action and beyond

Balakumar P, Sundram K, Dhanaraj SA

Pharmacol Res, 2014 Apr;82:34-9.
PMID: 24705156 DOI: 10.1016/j.phrs.2014.03.008

Diabetes mellitus is a greatly challenging disease of the 21 century, and the mortality rate due to this insidious disease is increasing worldwide in spite of availability of effective oral hypoglycemic agents. Satisfactory management of glycemic control in patients afflicted with type 2 diabetes mellitus (T2DM) remains a major clinical challenge. Identification of potential pharmacological target sites is therefore continuing as an integral part of the diabetic research. The sodium-glucose co-transporter type 2 (SGLT2) expressed in the renal proximal tubule plays an essential role in glucose reabsorption. Pharmacological blockade of SGLT2 prevents glucose reabsorption and subsequently induces the elimination of filtered glucose via urine, the process is known as 'glucuresis'. Dapagliflozin is a selective inhibitor of SGLT2. The US FDA approved dapagliflozin in January 2014 to improve glycemic control along with diet and exercise in adult patients afflicted with T2DM. It has a potential to decrease glycated hemoglobin and to promote weight loss. Although the mechanism of action of dapagliflozin is not directly linked with insulin or insulin sensitivity, reduction of plasma glucose by dapagliflozin via induction of glucosuria could improve muscle insulin sensitivity. Moreover, dapagliflozin could cause diuresis and subsequently fall in blood pressure. In addition to general discussion on the pharmacology of dapagliflozin, we propose in this review the possibilities of dual antidiabetic effect of dapagliflozin and its possible additional beneficial actions in hypertensive-obese-T2DM patients through its indirect blood pressure-lowering action and reduction of body calories and weight. Long-term clinical studies are however needed to clarify this contention.

Matched MeSH terms: Glucosides/therapeutic use
A systematic review of the protective role of swertiamarin in cardiac and metabolic diseases

Leong XY, Thanikachalam PV, Pandey M, Ramamurthy S

Biomed Pharmacother, 2016 Dec;84:1051-1060.
PMID: 27780133 DOI: 10.1016/j.biopha.2016.10.044

BACKGROUND: Swertiamarin, is a secoiridoid glycoside found in genera of Enicostemma Species (Enicostemma littorale and Enicostemma axillare) belonging to the family of gentianaceae, which has been reported to cure many diseases such as diabetes, hypertension, atherosclerosis, arthritis, malaria and abdominal ulcers. However, to the best of our knowledge, till date systematic studies to understand the molecular basis of cardiac and metabolic disease preventing properties of swertiamarin has not been reported.
AIM OF THE REVIEW: The present review aims to compile an up-to-date information on the progress made in the protective role of swertiamarin in cardiac and metabolic diseases with the objective of providing a guide for future research on this bioactive molecule.
MATERIALS AND METHODS: Information on the swertiamarin was collected from major scientific databases (Pubmed, Springer, google scholar, and Web of Science) for publication between1974-2016. In this review, the protective role of swertiamarin on cardiac and metabolic diseases was discussed.
RESULTS: Swertiamarin reported to exhibit a wide range of biological activities such as anti-atherosclerotic, antidiabetic, anti-inflammatory and antioxidant effects. These activities were mainly due to its effect on various signaling pathways associated with cardiac remodeling events such as inhibition of NF-kB expression, LDL oxidation, apoptosis, inflammatory and lipid peroxidation markers and stimulation of antioxidant enzymes.
CONCLUSION: Sweriamarin exhibit a wide range of biological activities. This review presents evidence supporting the point of view that swertiamarin should be considered a potential therapeutic agent against cardiac and metabolic diseases, giving rise to novel applications in their prevention and treatment.

Matched MeSH terms: Iridoid Glucosides/therapeutic use*
Place of sodium-glucose cotransporter-2 inhibitors in East Asian subjects with type 2 diabetes mellitus: Insights into the management of Asian phenotype

Lim LL, Tan AT, Moses K, Rajadhyaksha V, Chan SP

J Diabetes Complications, 2017 Feb;31(2):494-503.
PMID: 27866701 DOI: 10.1016/j.jdiacomp.2016.10.008

The burden of type 2 diabetes (T2DM) in East Asia is alarming. Rapid modernization and urbanization have led to major lifestyle changes and a tremendous increase in the prevalence of obesity, metabolic syndrome, and diabetes mellitus. The development of T2DM at a younger age, with lower body mass index, higher visceral adiposity, and more significant pancreatic beta-cell dysfunction compared to Caucasians are factors responsible for the increased prevalence of T2DM in East Asians. Sodium-glucose Cotransporter-2 (SGLT2) inhibitors (canagliflozin, dapaglifozin, empagliflozin, etc.) reduce renal glucose reabsorption, leading to favorable effects on glycemic, blood pressure, and weight control. The insulin-independent mechanism enables their use as monotherapy or combination therapy with insulin and other oral antidiabetic agents. The role of SGLT2 inhibitors in the management of T2DM among East Asians is an interesting area of research, given that East Asians have been proven to be uniquely different from Caucasians. This review provides comprehensive coverage of the available literature not only on the efficacy and safety, but also on the recent cardiovascular and renal outcomes of SGLT2 inhibitors, focusing among East Asians.

Matched MeSH terms: Glucosides/therapeutic use
Empagliflozin for the Treatment of Nonalcoholic Steatohepatitis in Patients with Type 2 Diabetes Mellitus

Lai LL, Vethakkan SR, Nik Mustapha NR, Mahadeva S, Chan WK

Dig Dis Sci, 2020 02;65(2):623-631.
PMID: 30684076 DOI: 10.1007/s10620-019-5477-1

BACKGROUND AND AIMS: Sodium-glucose cotransporter-2 (SGLT2) inhibitors are a novel class of drugs that lower glucose by inducing renal glycosuria. We aimed to explore whether SGLT2 inhibitor added to the usual care for patients with type 2 diabetes mellitus (T2DM) and biopsy-proven nonalcoholic steatohepatitis (NASH) will benefit NASH histology.
METHODS: In this investigator-initiated, single-arm, open-label, pilot study, nine biopsy-proven NASH patients with T2DM were given empagliflozin 25 mg daily for 24 weeks. Liver biopsy was repeated at the end of treatment. The histological outcomes were compared with the placebo group of a previous 48-week clinical trial.
RESULTS: There was a significant reduction in body mass index (median change, Δ = -0.7 kg per m2, p = 0.011), waist circumference (Δ = -3 cm, p = 0.033), systolic blood pressure (Δ = -9 mmHg, p = 0.024), diastolic blood pressure (Δ = -6 mmHg, p = 0.033), fasting blood glucose (Δ = -1.7 mmol/L, p = 0.008), total cholesterol (Δ = -0.5 mmol/L, p = 0.011), gamma glutamyl transpeptidase (Δ = -19 U/L, p = 0.013), volumetric liver fat fraction (Δ = -7.8%, p = 0.017), steatosis (Δ = -1, p = 0.014), ballooning (Δ = -1, p = 0.034), and fibrosis (Δ = 0, p = 0.046). All histological components either remained unchanged or improved, except in one patient who had worsening ballooning. Empagliflozin resulted in significantly greater improvements in steatosis (67% vs. 26%, p = 0.025), ballooning (78% vs. 34%, p = 0.024), and fibrosis (44% vs. 6%, p = 0.008) compared with historical placebo.
CONCLUSION: This pilot study provides primary histological evidence that empagliflozin may be useful for the treatment of NASH. This preliminary finding should prompt larger clinical trials to assess the effectiveness of empagliflozin and other SGLT2 inhibitors for the treatment of NASH in T2DM patients. Trial registry number ClincialTrials.gov number, NCT02964715.

Matched MeSH terms: Glucosides/therapeutic use*
Canagliflozin in Asian patients with type 2 diabetes on metformin alone or metformin in combination with sulphonylurea

Ji L, Han P, Liu Y, Yang G, Dieu Van NK, Vijapurkar U, et al.

Diabetes Obes Metab, 2015 Jan;17(1):23-31.
PMID: 25175734 DOI: 10.1111/dom.12385

To evaluate the efficacy and safety of canagliflozin, a sodium glucose co-transporter 2 inhibitor, in Asian patients with type 2 diabetes mellitus (T2DM) inadequately controlled by metformin or metformin in combination with sulphonylurea.

Matched MeSH terms: Glucosides/therapeutic use*