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https://www.readbyqxmd.com/read/28521977/alginate-coated-chitosan-core-shell-nanoparticles-for-efficient-oral-delivery-of-naringenin-in-diabetic-animals-an-in-vitro-and-in-vivo-approach
#1
Subhajit Maity, Piyasi Mukhopadhyay, Patit Paban Kundu, Abhay Sankar Chakraborti
The chemical synthesis of this study targets for development of a bio-safe polymeric nano-vehicle for improvising the solubility of the flavanone naringenin in antidiabetic animal study. Nanoparticles were prepared from two cost-effective carbohydrate biopolymers - chitosan and alginate for successful encapsulation of naringenin. Dual crosslinked nanoparticles were synthesized by using Na2SO4 and CaCl2 as crosslinkers. The nanoparticles were characterized by DLS, FTIR, XRD and SEM. The prepared nano-formulations exhibited significant naringenin entrapment of >90% and pH-responsive slow and sustained release of the flavonoid...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28513516/admission-hyperglycemia-an-independent-predictor-of-outcome-in-acute-ischemic-stroke-a-longitudinal-study-from-a-tertiary-care-hospital-in-south-india
#2
S K Marulaiah, M P Reddy, M Basavegowda, Pkh Ramaswamy, L S Adarsh
BACKGROUND: Stroke is one of the important causes of long-term disability-related deaths worldwide. Incidence and prevalence of stroke have been steadily increasing in India. Increasing interest has been focused on the role of admission hyperglycemia in the evolution of acute ischemic stroke. Very few studies were conducted in south India; hence, we intended to do this study. METHODS: A total of 198 patients with acute ischemic stroke were included in a hospital-based longitudinal study to identify the independent factors (demographic, clinical, and biochemical parameters) associated with poor outcome (functional impairment-mRS ≥ 3 and mortality at 90 days of follow-up...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28506898/chromane-isolated-from-leaves-of-dillenia-indica-improves-the-neuronal-dysfunction-in-stz-induced-diabetic-neuropathy
#3
Navpreet Kaur, Lalit Kishore, Randhir Singh
ETHNOPHARMACOLOGICAL RELEVANCE: According to the Indian traditional medicine, Dillenia indica L. has shown therapeutic efficacy in various diseases. Fruits and leaves of the plant possess anti-oxidant and anti-inflammatory properties. Reactive oxygen species, formation of advanced glycation end products (AGEs) and apoptosis are implicated in the pathogenesis of diabetic neuropathy. AIM OF THE STUDY: The aim of the present study was to explore the effect of D. indica and its isolate, chromane (CR), on thermal and mechanical hyperalgesia, allodynia, MNCV and oxidative-nitrosative stress in streptozotocin-induced experimental diabetes...
May 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28506813/the-effects-of-natural-clinoptilolite-and-nano-sized-clinoptilolite-supplementation-on-glucose-levels-and-oxidative-stress-in-rats-with-streptozotocin-induced-diabetes
#4
Behnoosh Hossein Nia, Sirous Khorram, Hassan Rezazadeh, Abdolrasol Safaiyan, Ali Tarighat-Esfanjani
OBJECTIVE: Oxidative stress has a major role in development of diabetic complications. In this study we investigated whether clinoptilolite and nano-sized clinoptilolite could reduce hyperglycemia and oxidative stress in streptozotocin-induced diabetic rats and attempted to determine which intervention was more effective. METHODS: Thirty-six rats were randomly allocated to 2 groups; 1 group was randomly chosen as a diabetic group and injected with streptozotocin (60 mg/kg body weight in 0...
May 12, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28505392/beneficial-effects-of-ginger-zingiber-officinale-roscoe-on-obesity-and-metabolic-syndrome-a-review
#5
REVIEW
Jing Wang, Weixin Ke, Rui Bao, Xiaosong Hu, Fang Chen
In recent years, metabolic syndromes (MetSs), including diabetes mellitus, dyslipidemia, and cardiovascular diseases, have become a common health problem in both developed and developing countries. Accumulating data have suggested that traditional herbs might be able to provide a wide range of remedies in prevention and treatment of MetSs. Ginger (Zingiber officinale Roscoe, Zingiberaceae) has been documented to ameliorate hyperlipidemia, hyperglycemia, oxidative stress, and inflammation. These beneficial effects are mediated by transcription factors, such as peroxisome proliferator-activated receptors, adenosine monophosphate-activated protein kinase, and nuclear factor κB...
May 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28505121/molecular-pathways-involved-in-the-amelioration-of-myocardial-injury-in-diabetic-rats-by-kaempferol
#6
Kapil Suchal, Salma Malik, Sana Irfan Khan, Rajiv Kumar Malhotra, Sameer N Goyal, Jagriti Bhatia, Shreesh Ojha, Dharamvir Singh Arya
There is growing evidence that chronic hyperglycemia leads to the formation of advanced glycation end products (AGEs) which exerts its effect via interaction with the receptor for advanced glycation end products (RAGE). AGE-RAGE activation results in oxidative stress and inflammation. It is well known that this mechanism is involved in the pathogenesis of cardiovascular disease in diabetes. Kaempferol, a dietary flavonoid, is known to possess antioxidant, anti-apoptotic, and anti-inflammatory activities. However, little is known about the effect of kaempferol on myocardial ischemia-reperfusion (IR) injury in diabetic rats...
May 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28502057/microrna-125b-in-peripheral-blood-a-potential-biomarker-for-severity-and-prognosis-of-children-with-viral-encephalitis
#7
Qin-Ling Gao, Yun-Xia Ma, Da-Wei Yuan, Qing-Cai Zhang, Jun Zeng, Hao Li
This study aims to evaluate the effect of peripheral blood miR-125b expression on severity and prognosis in children with viral encephalitis (VE). Children with VE (severe and mild groups) were grouped into VE group, and 40 healthy children as control group. Plasma RNA was extracted, and real-time quantitative PCR was conducted to detect miR-125b relative expression. Associations of miR-125b expression with clinical characteristics and prognosis of VE children were analyzed. Area under ROC curve (AUC) was calculated to evaluate the accuracy of the prognostic value of miR-125b...
May 13, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28496475/the-effect-of-green-tea-extract-on-oxidative-stress-and-spatial-learning-in-streptozotocin-diabetic-rats
#8
Mohammad Sharifzadeh, Akram Ranjbar, Asieh Hosseini, Mahnaze Khanavi
Diabetes mellitus is associated with distribution of cognitive functioning. Hyperglycemia induced oxidative stress has been proposed as a cause of memory complications of diabetes including cognitive impairment. The aim of this study was to examine total green tea extract (TGTE), a potent free radical scavenger against spatial impairment in Streptozotocin-diabetic rats. Eight weeks after diabetes induction, TGTE was administrated throught drinking water 3 mg/L. The learning and memory behavior was evaluated with Morris water maze task in male rats...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28494104/prevalence-of-metabolic-syndrome-and-its-association-with-lifestyle-and-cardiovascular-biomarkers-among-postmenopausal-women-in-western-algeria
#9
Ali Khalfa, Amina Tiali, Lakhdar Zemour, Azzedine Fatah, Khedidja Mekki
OBJECTIVE: To evaluate the prevalence of metabolic syndrome (MetS), its components, and their relationship with lifestyle, inflammation, and oxidative stress among postmenopausal Algerian women. METHODS: A prospective cross-sectional survey was conducted among postmenopausal women at a clinic in Oran, Algeria, from March 1 to June 28, 2015. A diagnosis of MetS was made using the National Cholesterol Education Program Adult Treatment Panel III guidelines. Demographic, clinical, metabolic, inflammatory, dietary, and energy variables were assessed...
May 11, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28493961/aldosterone-signaling-regulates-the-over-expression-of-claudin-4-and-8-at-the-distal-nephron-from-type-1-diabetic-rats
#10
Eduardo Molina-Jijón, Rafael Rodríguez-Muñoz, Ricardo González-Ramírez, Carmen Namorado-Tónix, José Pedraza-Chaverri, Jose L Reyes
Hyperglycemia in diabetes alters tight junction (TJ) proteins in the kidney. We evaluated the participation of aldosterone (ALD), and the effect of spironolactone (SPL), a mineralocorticoid receptor antagonist, on the expressions of claudin-2, -4, -5 and -8, and occludin in glomeruli, proximal and distal tubules isolated from diabetic rats. Type 1 diabetes was induced in female Wistar rats by a single tail vein injection of streptozotocin (STZ), and SPL was administrated daily by gavage, from days 3-21. Twenty-one days after STZ injection the rats were sacrificed...
2017: PloS One
https://www.readbyqxmd.com/read/28492550/txnip-regulates-mitophagy-in-retinal-m%C3%A3-ller-cells-under-high-glucose-conditions-implications-for-diabetic-retinopathy
#11
Takhellambam Swornalata Devi, Mallika Somayajulu, Renu Anjan Kowluru, Lalit Pukhrambam Singh
Thioredoxin-interacting protein (TXNIP) is involved in oxidative stress and apoptosis in diabetic retinopathy. However, the role of TXNIP in the removal of damaged mitochondria (MT) via mitophagy, a process of macroautophagy, remains unexplored. Here we investigate the associated cellular and molecular mechanisms underlying mitophagy in retinal cells under diabetic conditions. For this, we maintained a rat Müller cell line (rMC1) under high-glucose (25 mM, HG) or low-glucose (5.5 mM, LG) condition for 5 days...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28488455/intracellular-methylglyoxal-induces-oxidative-damage-to-pancreatic-beta-cell-line-ins-1-cell-through-ire1%C3%AE-jnk-and-mitochondrial-apoptotic-pathway
#12
Chongxiao Liu, Yanhong Huang, Yifan Zhang, Xueru Chen, Xiang Kong, Yan Dong
An increased intracellular methylglyoxal (MGO) under hyperglycemia led to pancreatic beta cell death. However, its mechanism in which way with MGO induced beta cell death remains unknown. We investigated both high glucose and MGO treatment significantly inclined intracellular MGO concentration and inhibited cell viability in vitro. MGO treatment also triggered intracellular advanced glycation end products (AGEs) formation, declined mitochondrial membrane potential (MMP), increased oxidative stress and the expression of ER stress mediators Grp78/Bip and p-PERK; activated mitochondrial apoptotic pathway, which could mimic by Glo1 knockdown...
May 10, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28486193/wogonin-mitigates-nonalcoholic-fatty-liver-disease-via-enhancing-ppar%C3%AE-adipor2-in-vivo-and-in-vitro
#13
Jing Chen, Jie Liu, Ye Wang, Xuemei Hu, Feng Zhou, Yimeng Hu, Yin Yuan, Yancheng Xu
Wogonin has been reported to attenuate hyperglycemia in diabetic mice via anti-adipogenic effect on adipocytes. The potential therapeutic role of wogonin in nonalcoholic fatty liver disease (NAFLD) remains obscure. The aim of the present study was to explore the protective effect of wogonin on NAFLD mice and cultured NCTC 1469 cells exposed to palmitate. Wogonin supplementation significantly improved metabolic parameters in NAFLD mice, including body weight, blood glucose, insulin resistance, adiponectin, blood lipids, aminotransferases and hepatic histopathology...
May 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28472941/effect-of-solvents-extraction-on-phytochemical-components-and-biological-activities-of-tunisian-date-seeds-var-korkobbi-and-arechti
#14
Amira Thouri, Hassiba Chahdoura, Amira El Arem, Amel Omri Hichri, Rihab Ben Hassin, Lotfi Achour
BACKGROUND: The interest in natural antioxidants, especially polyphenols, is growing more and more thanks to their positive contribution to human health. Thus, the prevention from the harmful action of oxidative stress which has been involved in many diseases such as cancer, inflammation diabetes, and cardiovascular illness. Recent research proved the bioactive compounds richness of date seeds which could be a good biological matrix of natural antioxidants. Unfortunately, an important quantity of Tunisian dates seed is discarded yearly...
May 4, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28468933/the-metabolic-syndrome-in-mice-overexpressing-neuropeptide-y-in-noradrenergic-neurons
#15
Liisa Ailanen, Suvi T Ruohonen, Laura Vähätalo, Katja Tuomainen, Kim Eerola, Henriikka Salomäki-Myftari, Matias Röyttä, Asta Laiho, Markku Ahotupa, Helena Gylling, Eriika Savontaus
A gain-of-function polymorphism in human neuropeptide Y (NPY) gene (rs16139) associates with metabolic disorders and earlier onset of type 2 diabetes (T2D). Similarly, mice overexpressing NPY in noradrenergic neurons (OE-NPY(DBH)) display obesity and impaired glucose metabolism. In this study, the metabolic syndrome -like phenotype was characterized and mechanisms of impaired hepatic fatty acid, cholesterol and glucose metabolism in pre-obese (2-month-old) and obese (4-7-month-old) OE-NPY(DBH) mice were elucidated...
May 3, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28467233/moringa-oleifera-from-cambodia-ameliorates-oxidative-stress-hyperglycemia-and-kidney-dysfunction-in-type-2-diabetic-mice
#16
Yujiao Tang, Eun-Ju Choi, Weon Cheol Han, Mirae Oh, Jin Kim, Ji-Young Hwang, Pyo-Jam Park, Sang-Ho Moon, Yon-Suk Kim, Eun-Kyung Kim
Recent reports have shown the antidiabetic effect of Moringa oleifera from various parts of the world. However, M. oleifera from Cambodia has never determined. Therefore, the aim of this study was to assess the antidiabetic effect of M. oleifera extract from Cambodia. The leaf ethanolic extract contained flavonoids (31.90 mg/mL), polyphenols (53.03 mg/mL), lycopene (0.042 mg/mL), and ß-carotene (0.170 mg/mL), and possessed 2,2-diphenyl-1-picrylhydrazyl, hydrogen peroxide, and hydroxyl radical scavenging activities of 92...
May 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28465000/long-term-soft-drink-and-aspartame-intake-induces-hepatic-damage-via-dysregulation-of-adipocytokines-and-alteration-of-the-lipid-profile-and-antioxidant-status
#17
Mohamed A Lebda, Hossam G Tohamy, Yasser S El-Sayed
Dietary intake of fructose corn syrup in sweetened beverages is associated with the development of metabolic syndrome and obesity. We hypothesized that inflammatory cytokines play a role in lipid storage and induction of liver injury. Therefore, this study intended to explore the expression of adipocytokines and its link to hepatic damage. Rats were assigned to drink water, cola soft drink (free access) and aspartame (240 mg/kg body weight/day orally) for 2 months. The lipid profiles, liver antioxidants and pathology, and mRNA expression of adipogenic cytokines were evaluated...
April 19, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28463967/increased-anxiety-like-behavior-is-associated-with-the-metabolic-syndrome-in-non-stressed-rats
#18
Daniela Rebolledo-Solleiro, Gabriel Roldán-Roldán, Daniel Díaz, Myrian Velasco, Carlos Larqué, Guadalupe Rico-Rosillo, Gloria Bertha Vega-Robledo, Elena Zambrano, Marcia Hiriart, Miguel Pérez de la Mora
Metabolic syndrome (MS) is a cluster of signs that increases the risk to develop diabetes mellitus type 2 and cardiovascular disease. In the last years, a growing interest to study the relationship between MS and psychiatric disorders, such as depression and anxiety, has emerged obtaining conflicting results. Diet-induced MS rat models have only examined the effects of high-fat or mixed cafeteria diets to a limited extent. We explored whether an anxiety-like behavior was associated with MS in non-stressed rats chronically submitted to a high-sucrose diet (20% sucrose in drinking water) using three different anxiety paradigms: the shock-probe/burying test (SPBT), the elevated plus-maze (EPM) and the open-field test (OFT)...
2017: PloS One
https://www.readbyqxmd.com/read/28462587/conditionally-pathogenic-gut-microbes-promote-larval-growth-by-increasing-redox-dependent-fat-storage-in-high-sugar-diet-fed-drosophila
#19
Tae Woong Whon, Na-Ri Shin, Mi-Ja Jung, Dong-Wook Hyun, Hyun Sik Kim, Pil Soo Kim, Jin-Woo Bae
AIMS: Changes in the composition of the gut microbiota contribute to the development of obesity and subsequent complications associated with metabolic syndrome. However, the role of increased numbers of certain bacterial species during the progress of obesity and factor(s) controlling the community structure of gut microbiota remain unclear. Here, we demonstrate the inter-relationship between Drosophila melanogaster and their resident gut microbiota under chronic high sugar diet (HSD) conditions...
May 2, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28462118/insulin-resistance-vascular-function-and-exercise
#20
REVIEW
Moon-Hyon Hwang, Sewon Lee
Insulin resistance associated with metabolic syndrome and Type 2 diabetes mellitus is an epidemic metabolic disorder, which increases the risk of cardiovascular complications. Impaired vascular endothelial function is an early marker for atherosclerosis, which causes cardiovascular complications. Both experimental and clinical studies indicate that endothelial dysfunction in vasculatures occurs with insulin resistance. The associated physiological mechanisms are not fully appreciated yet, however, it seems that augmented oxidative stress, a physiological imbalance between oxidants and antioxidants, in vascular cells is a possible mechanism involved in various vascular beds with insulin resistance and hyperglycemia...
September 2016: Integr Med Res
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