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Cognitive antidiabete

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https://www.readbyqxmd.com/read/28188240/lixisenatide-therapy-in-older-patients-with-type-2-diabetes-inadequately-controlled-on-their-current-antidiabetic-treatment-the-getgoal-o-randomized-trial
#1
Graydon S Meneilly, Christine Roy-Duval, Hasan Alawi, George Dailey, Diego Bellido, Carlos Trescoli, Helard Manrique Hurtado, Hailing Guo, Valerie Pilorget, Riccardo Perfetti, Hamish Simpson
OBJECTIVE: To evaluate the efficacy and safety of lixisenatide versus placebo on glycemic control in older patients with type 2 diabetes uncontrolled on their current antidiabetic treatment. RESEARCH DESIGN AND METHODS: In this phase III, double-blind, randomized, placebo-controlled, two-arm, parallel-group, multicenter trial, patients aged ≥70 years were randomized to receive once-daily lixisenatide 20 μg or placebo before breakfast concomitantly with their existing antidiabetic therapy (including insulin) for 24 weeks...
February 10, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28137647/crocin-improves-spatial-learning-and-memory-deficits-in-the-morris-water-maze-via-attenuating-cortical-oxidative-damage-in-diabetic-rats
#2
M Ahmadi, Z Rajaei, M A Hadjzadeh, H Nemati, M Hosseini
The purpose of the current study was to examine the influence of crocin on improving spatial memory deficits and cerebral oxidative damage in streptozotocin-induced diabetic rats. Crocin was administered intraperitoneally daily at doses of 15, 30 and 60mg/kg for 6 weeks. Spatial memory performance was measured in rats by the Morris water maze paradigm. Lipid peroxidation and total thiol levels as parameters of oxidative stress were assessed in the cerebral cortex at the end of week 6. Diabetic rats showed spatial learning and memory deficits in the Morris water maze which was accompanied by increased lipid peroxidation levels in the cerebral cortex...
March 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28025042/quercetin-ameliorates-chronic-unpredicted-stress-mediated-memory-dysfunction-in-male-swiss-albino-mice-by-attenuating-insulin-resistance-and-elevating-hippocampal-glut4-levels-independent-of-insulin-receptor-expression
#3
Vineet Mehta, Arun Parashar, Arun Sharma, Tiratha Raj Singh, Malairaman Udayabanu
Chronic stress is associated with impaired neuronal functioning, altered insulin signaling, and behavioral dysfunction. Quercetin has shown neuroprotective and antidiabetic effects, besides modulating cognition and insulin signaling. Therefore, in the present study, we explored whether or not quercetin ameliorates stress-mediated cognitive dysfunction and explored the underlying mechanism. Swiss albino male mice were subjected to an array of unpredicted stressors for 21days, during which 30mg/kg quercetin treatment was given orally...
December 23, 2016: Hormones and Behavior
https://www.readbyqxmd.com/read/28017679/metformin-protects-the-brain-against-ischemia-reperfusion-injury-through-pi3k-akt1-jnk3-signaling-pathways-in-rats
#4
Xu-Hua Ge, Guo-Ji Zhu, De-Qin Geng, Han-Zhi Zhang, Juan-Mei He, Ai-Zhen Guo, Lin-Lin Ma, De-Hua Yu
Although Metformin, a first-line antidiabetic drug, can ameliorate ischemia/reperfusion (I/R) induced brain damage, but how metformin benefits injured hippocampus and the mechanisms are still largely unknown. Therefore, the aim of this study was to investigate the neuroprotective mechanisms of metformin against ischemic brain damage induced by cerebral I/R and to explore whether the Akt-mediated down-regulation of the phosphorylation of JNK3 signaling pathway contributed to the protection provided by metformin...
December 23, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27988385/polypharmacy-in-older-adults-association-rule-and-frequent-set-analysis-to-evaluate-concomitant-medication-use
#5
Fabian Held, David G Le Couteur, Fiona M Blyth, Vasant Hirani, Vasi Naganathan, Louise M Waite, Markus J Seibel, David J Handelsman, Robert G Cumming, Heather G Allore, Danijela Gnjidic
The aim of this study was to apply Association Rule and Frequent-Set analysis, and novel means of data visualisation to ascertain patterns of medication use and medication combinations contributing to medication group clusters according to geriatric syndrome status in older adults. Participants were community-dwelling men (aged ≥70 years, n=1686), Sydney, Australia. Medication exposure was categorised at medication class level and data were analysed according to geriatric syndrome status (presence of at least one syndrome including frailty, falls, cognitive impairment and urinary incontinence)...
February 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27903560/commonly-prescribed-drugs-associate-with-cognitive-function-a-cross-sectional-study-in-uk-biobank
#6
Alejo J Nevado-Holgado, Chi-Hun Kim, Laura Winchester, John Gallacher, Simon Lovestone
OBJECTIVE: To investigate medications associated with cognitive function. DESIGN: Population-based cross-sectional cohort study. SETTING: UK Biobank. PARTICIPANTS: UK Biobank participants aged 37-73 years who completed cognitive tests at the baseline visit in 2006-2010. MAIN OUTCOME MEASURES: Cognitive test outcomes on verbal-numerical reasoning test (n=165 493), memory test (n=482 766) and reaction time test (n=496 813)...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27761472/rapid-acting-insulin-use-and-persistence-among-elderly-type-2-diabetes-patients-adding-rai-to-oral-antidiabetes-drug-regimens
#7
Usha Sambamoorthi, Arijita Deb, Steve Zhou, Rahul Garg, Tao Fan, Anders Boss
We examined the real-world utilization and persistence of rapid acting insulin (RAI) in elderly patients with type 2 diabetes who added RAI to their drug (OAD) regimen. Insulin-naïve patients aged ≥65 years, with ≥1 OAD prescription during the baseline period, who were continuously enrolled in the US Humana Medicare Advantage insurance plan for 18 months and initiated RAI were included. Among patients with ≥2 RAI prescriptions (RAIp), persistence during the 12-month follow-up was assessed. Multivariate logistic regression analyses identified factors affecting RAI use and persistence...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27749572/prediction-of-the-20-year-incidence-of-diabetes-in-older-chinese-application-of-the-competing-risk-method-in-a-longitudinal-study
#8
MULTICENTER STUDY
Xiangtong Liu, Jason Peter Fine, Zhenghong Chen, Long Liu, Xia Li, Anxin Wang, Jin Guo, Lixin Tao, Gehendra Mahara, Zhe Tang, Xiuhua Guo
The competing risk method has become more acceptable for time-to-event data analysis because of its advantage over the standard Cox model in accounting for competing events in the risk set. This study aimed to construct a prediction model for diabetes using a subdistribution hazards model.We prospectively followed 1857 community residents who were aged ≥ 55 years, free of diabetes at baseline examination from August 1992 to December 2012. Diabetes was defined as a self-reported history of diabetes diagnosis, taking antidiabetic medicine, or having fasting plasma glucose (FPG) ≥ 7...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27729563/swertisin-ameliorates-pre-pulse-inhibition-deficits-and-cognitive-impairment-induced-by-mk-801-in-mice
#9
Hee Kyong Oh, Se Jin Jeon, Sunhee Lee, Hyung Eun Lee, Eunji Kim, Se Jin Park, Ha Neul Kim, Won Yong Jung, Jae Hoon Cheong, Dae Sik Jang, Jong Hoon Ryu
Swertisin, a plant-derived C-glucosylflavone, is known to have antidiabetic, anti-inflammatory and antioxidant effects. In the present study, we investigated in mice the effects of swertisin on glutamatergic dysfunction induced by dizocilpine (MK-801), a non-competitive N-methyl-D-aspartate receptor antagonist. In the Acoustic Startle Response test, their MK-801-induced (given 0.2 mg/kg i.p.) pre-pulse inhibition deficit was significantly attenuated by the administration of swertisin (30 mg/kg p.o.). In the Novel Object Recognition Test, the recognition memory impairments that were induced by MK-801 (0...
October 11, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27715341/modulation-of-glp-1-signaling-as-a-novel-therapeutic-approach-in-the-treatment-of-alzheimer-s-disease-pathology
#10
Antonella Tramutola, Andrea Arena, Chiara Cini, D Allan Butterfield, Eugenio Barone
Clinical studies suggest a link between peripheral insulin resistance and cognitive dysfunction. Post-mortem analyses of Alzheimer disease (AD) subjects revealed insulin resistance in the brain, suggesting a role of this condition in cognitive deficits observed in AD. In this review, we focus on the glucagon-like peptide-1 (GLP-1) signaling pathway, whose role in the brain is collecting increasing attention because of its association with insulin signaling activation. Areas covered: The role of GLP-1-mediated effects in the brain and how they are affected along the progression of AD pathology is discussed...
January 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/27642327/the-aqueous-extract-of-portulaca-oleracea-ameliorates-neurobehavioral-dysfunction-and-hyperglycemia-related-to-streptozotocin-diabetes-induced-in-ovariectomized-rats
#11
Seyed Reza Fatemi Tabatabaei, Masome Rashno, Shahab Ghaderi, Majid Askaripour
Diabetes mellitus is one of the most common causes of neuropathy. Although antioxidant and antidiabetic effects of the aqueous extract of purslane (Portulaca oleracea) (AEOP) have been demonstrated before by other researchers, we did not find any study that assessed the psychobiological effects of AEOP in diabetes induced animals. Thirty ovariectomized (OVX) female Wistar rats were randomly divided into 3 groups of control, Dia and Dia+AEOP. The latter group was orally treated by 300 mg/kg of AEOP for 35 days...
2016: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/27621489/patient-characteristics-associated-with-adverse-drug-events-in-hospital-an-overview-of-reviews
#12
REVIEW
Silvija Mihajlovic, Jeremie Gauthier, Erika MacDonald
BACKGROUND: Adverse drug events (ADEs) occurring in hospital inpatients can have serious implications. The ability to identify and prioritize patients at higher risk of ADEs could help pharmacists to optimize their impact as members of the patient care team. OBJECTIVE: To identify risk factors, patient characteristics, and medications associated with a higher likelihood of ADEs in adult inpatients through an overview of reviews on this topic. DATA SOURCES: Systematic reviews and narrative reviews or guidelines identified through a search of MEDLINE and the Cochrane Database of Systematic Reviews (limited to articles published from 1995 to June 4, 2015), as well as a grey literature search...
July 2016: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/27537110/mango-leaf-extract-improves-central-pathology-and-cognitive-impairment-in-a-type-2-diabetes-mouse-model
#13
Carmen Infante-Garcia, Juan Jose Ramos-Rodriguez, Yolanda Marin-Zambrana, Maria Teresa Fernandez-Ponce, Lourdes Casas, Casimiro Mantell, Monica Garcia-Alloza
Epidemiological studies reveal that metabolic disorders, and specifically type 2 diabetes (T2D), are relevant risk factors to develop Alzheimer's disease (AD) and vascular dementia (VaD), the most common causes of dementia. Due to the limited success of available treatments, AD patients are in a tremendous need of new therapeutic options. Natural polyphenols, and concretely Mangifera indica Linn extract (MGF), have been reported to have antiinflammatory, antioxidant and antidiabetic activities. We have analyzed the role of MGF in central complications associated with T2D, after long-term treatment of db/db mice with MGF...
August 18, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27521218/potential-effects-of-current-drug-therapies-on-cognitive-impairment-in-patients-with-type-2-diabetes
#14
REVIEW
Caterina Palleria, Christian Leporini, Francesca Maida, Elena Succurro, Giovambattista De Sarro, Franco Arturi, Emilio Russo
Type 2 diabetes mellitus is a complex metabolic disease that can cause serious damage to various organs. Among the best-known complications, an important role is played by cognitive impairment. Impairment of cognitive functioning has been reported both in type 1 and 2 diabetes mellitus. While this comorbidity has long been known, no major advances have been achieved in clinical research; it is clear that appropriate control of blood glucose levels represents the best current (although unsatisfactory) approach in the prevention of cognitive impairment...
July 2016: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/27396477/parkinson-s-disease-diabetes-and-cognitive-impairment
#15
REVIEW
Mohammad R Ashraghi, Gennaro Pagano, Sotirios Polychronis, Flavia Niccolini, Marios Politis
BACKGROUND: Parkinson's disease is a chronic neurodegenerative disorder characterized by a progressive loss of dopaminergic neurons. The pathophysiological mechanisms underlying Parkinson's are still unknown. Mitochondrial dysfunction, abnormal protein aggregation, increased neuroinflammation and impairment of brain glucose metabolism are shared processes among insulinresistance, diabetes and neurodegeneration and have been suggested as key mechanisms in development of Parkinson's and cognitive impairment...
2016: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/27199640/one-for-all-hitting-multiple-alzheimer-s-disease-targets-with-one-drug
#16
REVIEW
Rebecca E Hughes, Katarina Nikolic, Rona R Ramsay
HIGHLIGHTS Many AD target combinations are being explored for multi-target drug design.New databases and models increase the potential of computational drug designLiraglutide and other antidiabetics are strong candidates for repurposing to AD.Donecopride a dual 5-HT/AChE inhibitor shows promise in pre-clinical studies Alzheimer's Disease is a complex and multifactorial disease for which the mechanism is still not fully understood. As new insights into disease progression are discovered, new drugs must be designed to target those aspects of the disease that cause neuronal damage rather than just the symptoms currently addressed by single target drugs...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27138956/therapeutic-potential-of-antidiabetic-medications-in-the-treatment-of-cognitive-dysfunction-and-dementia
#17
REVIEW
Hiroyuki Umegaki
It has been established that diabetes mellitus (DM) is a risk factor for dementia, and recent studies have clearly shown that dementia is one of the complications of DM. The increase of cognitively impaired subjects with the progression of aging in the population is an urgent worldwide issue. Due to the pharmacological advancement in the field of DM, we now have many kinds of antidiabetic medications with a wide variety of mechanisms of action and characteristics. It is a good time to review the characteristics of each antidiabetic medication and the evidence related to their prevention of cognitive dysfunction or preservation of cognition...
June 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27113224/differential-metformin-dose-dependent-effects-on-cognition-in-rats-role-of-akt
#18
Dalia K Mostafa, Cherine A Ismail, Doaa A Ghareeb
RATIONAL: Epidemiological evidence suggests that individuals with diabetes mellitus are at greater risk of developing Alzheimer's disease, and controversy overwhelms the usefulness of the widely prescribed insulin-sensitizing drug, metformin, on cognition. OBJECTIVES: Through the scopolamine-induced memory deficit model, we investigated metformin influence on cognitive dysfunction and explored underlying mechanisms. METHODS: Sixty adult male Wistar rats were randomly assigned into 5 groups (12 rats each) to receive either normal saline, scopolamine 1 mg/kg intraperitoneally once daily, scopolamine + oral metformin (100 mg/kg/day), scopolamine + oral metformin (300 mg/kg/day) or scopolamine + oral rivastigmine (0...
July 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27077324/when-should-orthostatic-blood-pressure-changes-be-evaluated-in-elderly-1st-3rd-or-5th-minute
#19
Pinar Soysal, Ali Ekrem Aydin, Saadet Koc Okudur, Ahmet Turan Isik
Detection of orthostatic hypotension (OH) is very important in geriatric practice, since OH is associated with mortality, ischemic stroke, falls, cognitive failure and depression. It was aimed to determine the most appropriate time for measuring blood pressure in transition from supine to upright position in order to diagnose OH in elderly. Comprehensive geriatric assessment (CGA) including Head up Tilt Table (HUT) test was performed in 407 geriatric patients. Orthostatic changes were assessed separately for the 1st, 3rd and 5th minutes (HUT1, HUT3 and HUT5, respectively) taking the data in supine position as the basis...
July 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27025096/-drug-induced-dementia
#20
Taro Kojima, Masahiro Akishita
Many drugs have been reported to induce not only delirium but also cognitive impairment. Some types of drugs are reported to induce dementia, and prolonged hypotension or hypoglycemia induced by overuse of antihypertensive drugs or oral antidiabetic drugs could result in dementia. Recently, taking multiple drugs with anticholinergic activity are reported to cause cognitive decline and anticholinergic burden should be avoided especially in patients with dementia. Drug-induced dementia can be prevented by avoiding polypharmacy and adhering to the saying 'start low and go slow' ...
March 2016: Nihon Rinsho. Japanese Journal of Clinical Medicine
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