keyword
MENU ▼
Read by QxMD icon Read
search

Alzheimers and diabetes

keyword
https://www.readbyqxmd.com/read/28722437/surface-plasmon-resonance-clinical-biosensors-for-medical-diagnostics
#1
Jean-Francois Masson
The design and application of sensors for monitoring biomolecules in clinical samples is a common goal of the sensing research community. Surface plasmon resonance (SPR) and other plasmonic techniques such as localized surface plasmon resonance (LSPR) and imaging SPR are reaching a maturity level sufficient for their application in monitoring biomolecules in clinical samples. In recent years, the first examples for monitoring antibodies, proteins, enzymes, drugs, small molecules, peptides, and nucleic acids in biofluids collected from patients afflicted with a series of medical conditions (Alzheimer's, hepatitis, diabetes, leukemia, and cancers such as prostate and breast cancers, among others) demonstrate the progress of SPR sensing in clinical chemistry...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28719238/mining-databases-for-protein-aggregation-a-review
#2
Paraskevi L Tsiolaki, Katerina C Nastou, Stavros J Hamodrakas, Vassiliki A Iconomidou
Protein aggregation is an active area of research in recent decades, since it is the most common and troubling indication of protein instability. Understanding the mechanisms governing protein aggregation and amyloidogenesis is a key component to the aetiology and pathogenesis of many devastating disorders, including Alzheimer's disease or type 2 diabetes. Protein aggregation data are currently found "scattered" in an increasing number of repositories, since advances in computational biology greatly influence this field of research...
July 18, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28714403/gsk3-inhibitors-in-the-therapeutic-development-of-diabetes-cancer-and-neurodegeneration-past-present-and-future
#3
Mudasir Maqbool, Nasimul Hoda
GSK3 has gained a considerable attention of researchers in the late 1970s as an inevitable drug target to treat diabetes. Furthermore, it was found to have a key role in the development of diseases like cancer and neurodegeneration (ND). A broad spectrum of GSK3 inhibitors have been discovered from time to time in order to curb these diseases. Inhibition of GSK3 by insulin boosts the dephosphorylation of glycogen synthase, hence its activation to convert UDP glucose into glycogen. Lack of insulin and insulin-resistance is supposed to be the cause of type 2 diabetes (Diabetes mellitus)...
July 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28712011/fgf21-attenuates-high-fat-diet-induced-cognitive-impairment-via-metabolic-regulation-and-anti-inflammation-of-obese-mice
#4
Qingzhi Wang, Jing Yuan, Zhanyang Yu, Li Lin, Yinghua Jiang, Zeyuan Cao, Pengwei Zhuang, Michael J Whalen, Bo Song, Xiao-Jie Wang, Xiaokun Li, Eng H Lo, Yuming Xu, Xiaoying Wang
Accumulating studies suggest that overnutrition-associated obesity may lead to development of type 2 diabetes mellitus and metabolic syndromes (MetS). MetS and its components are important risk factors of mild cognitive impairment, age-related cognitive decline, vascular dementia, and Alzheimer's disease. It has been recently proposed that development of a disease-course modification strategy toward early and effective risk factor management would be clinically significant in reducing the risk of metabolic disorder-initiated cognitive decline...
July 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28710283/amorphous-protein-aggregates-stimulate-plasminogen-activation-leading-to-release-of-cytotoxic-fragments-that-are-clients-for-extracellular-chaperones
#5
Patrick Constantinescu, Rebecca A Brown, Amy R Wyatt, Marie Ranson, Mark R Wilson
The misfolding of proteins and their accumulation in extracellular tissue compartments as insoluble amyloid or amorphous protein aggregates is a hallmark feature of many debilitating protein deposition diseases such as Alzheimers disease, prion diseases and type II diabetes. The plasminogen activation system (PAS) is best known as an extracellular fibrinolytic system, but was previously reported to also be capable of degrading amyloid fibrils. Here we show that amorphous protein aggregates interact with tPA and plasminogen, via an exposed lysine dependent mechanism, to efficiently generate plasmin...
July 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28710249/amyloid-precursor-protein-in-pancreatic-islets
#6
Joshua Kulas, Kendra Puig, Colin K Combs
The amyloid precursor protein (APP) has been extensively investigated for its role in the production of amyloid beta (Aβ), a plaque forming peptide in Alzheimer's disease (AD). Epidemiological evidence suggests type 2 diabetes is a risk factor for AD. The pancreas is an essential regulator of blood glucose levels through the secretion of the hormones insulin and glucagon. Pancreatic dysfunction is a well characterized consequence of type 1 and type 2 diabetes. In this study we have examined the expression and processing of pancreatic APP to test the hypothesis that APP may play a role in pancreatic function and the pathophysiology of diabetes...
July 14, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28709620/synthesis-and-anti-diabetic-activity-of-new-n-n-dimethylphenylenediamine-derivatized-nitrilotriacetic-acid-vanadyl-complexes
#7
Xia Niu, Jichun Yang, Xiaoda Yang
Vanadium compounds are promising anti-diabetic agents. However, reducing the metal toxicity while keeping/improving the hypoglycemic effect is still a big challenge towards the success of anti-diabetic vanadium drugs. To improve the therapeutic potency using the anti-oxidative strategy, we synthesized new N,N-dimethylphenylenediamine (DMPD)-derivatized nitrilotriacetic acid vanadyl complexes ([VO(dmada)]). The in vitro biological evaluations revealed that the DMPD-derivatized complexes showed improved antioxidant capacity and lowered cytotoxicity on HK-2 cells than bis(maltolato)oxidovanadium (IV) (BMOV)...
July 8, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28705834/visit-to-visit-variations-in-fasting-plasma-glucose-and-hba1c-associated-with-an-increased-risk-of-alzheimer-disease-taiwan-diabetes-study
#8
Tsai-Chung Li, Chun-Pai Yang, Shih-Ting Tseng, Chia-Ing Li, Chiu-Shong Liu, Wen-Yuan Lin, Kai-Lin Hwang, Sing-Yu Yang, Jen-Huai Chiang, Cheng-Chieh Lin
OBJECTIVE: The relationship between glycemic variability and the incidence of Alzheimer disease (AD) in patients with type 2 diabetes mellitus (T2DM) is unclear. The aim of this study was to examine visit-to-visit variations in fasting plasma glucose (FPG) and glycated hemoglobin (HbA1c) represented by the coefficient of variation (CV) and to determine whether they were independently associated with AD, irrespective of HbA1c and other traditional risk factors in such patients. RESEARCH DESIGN AND METHODS: Patients with T2DM enrolled in the National Diabetes Care Management Program, age ≥60 years, and without diagnosis of AD (n = 16,706) were included in the study...
July 13, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28704200/mild-cognitive-impairment-in-type-2-diabetes-mellitus-and-related-risk-factors-a-review
#9
REVIEW
Xiao-Ying Yuan, Xu-Gang Wang
Type 2 diabetes mellitus (T2DM) is a global epidemic disease and has become a significant health problem. Many studies have raised concern about the mild cognitive impairment (MCI) with T2DM and even the Alzheimer's disease patients with T2DM. The incidence of MCI is higher in individuals with T2DM than those without diabetes. Cognitive changes might affect everyday activities depending on the work and situation. Although the exact pathophysiology of MCI in T2DM is unclear, many studies suggest that the alterations in pathoglycemia, diabetic complications, related end products, and physical/psychological status are significant risk factors...
July 12, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28702523/implications-of-peptide-assemblies-in-amyloid-diseases
#10
REVIEW
Pu Chun Ke, Marc-Antonie Sani, Feng Ding, Aleksandr Kakinen, Ibrahim Javed, Frances Separovic, Thomas P Davis, Raffaele Mezzenga
Neurodegenerative disorders and type 2 diabetes are global epidemics compromising the quality of life of millions worldwide, with profound social and economic implications. Despite the significant differences in pathology - much of which are poorly understood - these diseases are commonly characterized by the presence of cross-β amyloid fibrils as well as the loss of neuronal or pancreatic β-cells. In this review, we document research progress on the molecular and mesoscopic self-assembly of amyloid-beta, alpha synuclein, human islet amyloid polypeptide and prions, the peptides and proteins associated with Alzheimer's, Parkinson's, type 2 diabetes and prion diseases...
July 12, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28692781/depression-as-a-risk-factor-of-organic-diseases-an-international-integrative-review
#11
Teodora Bica, Ruth Castelló, Loren L Toussaint, Pilar Montesó-Curto
PURPOSE AND DESIGN: This integrative review offers a systematic synthesis of the international literature regarding the role of depression as a risk factor in physical illnesses and the mechanisms of this connection. Special attention is paid to those modifiable factors. FINDINGS: Published studies of depression and physical illness and disease(N = 24) from five countries that were indexed in PubMed, the Cumulative Index to Nursing and Allied Health Literature (CINAHL), APA PsycNET, Scopus, Dialnet, and CUIDEN were examined...
July 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28690633/how-do-community-dwelling-persons-with-alzheimer-disease-fall-falls-in-the-finalex-study
#12
Niko M Perttila, Hannareeta Öhman, Timo E Strandberg, Hannu Kautiainen, Minna Raivio, Marja-Liisa Laakkonen, Niina Savikko, Reijo S Tilvis, Kaisu H Pitkala
BACKGROUND: People with dementia are at high risk for falls. However, little is known of the features causing falls in Alzheimer disease (AD). Our aim was to investigate how participants with AD fall. METHODS: In the FINALEX (Finnish Alzheimer Disease Exercise Trial) study, participants' (n = 194) falls were followed up for 1 year by diaries kept by their spouses. RESULTS: The most common reason for falls (n = 355) was stumbling (n = 61). Of the falls, 123 led to injuries, 50 to emergency department visits, and 13 to fractures...
May 2017: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28689644/childhood-stress-and-adversity-is-associated-with-late-life-dementia-in-aboriginal-australians
#13
Kylie Radford, Kim Delbaere, Brian Draper, Holly A Mack, Gail Daylight, Robert Cumming, Simon Chalkley, Cecilia Minogue, Gerald A Broe
OBJECTIVES: High rates of dementia have been observed in Aboriginal Australians. This study aimed to describe childhood stress in older Aboriginal Australians and to examine associations with late-life health and dementia. DESIGN: A cross-sectional study with a representative sample of community-dwelling older Aboriginal Australians. SETTING: Urban and regional communities in New South Wales, Australia. PARTICIPANTS: 336 Aboriginal and/or Torres Strait Islander Australians aged 60-92 years, of whom 296 were included in the current analyses...
May 26, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28688899/central-insulin-dysregulation-and-energy-dyshomeostasis-in-two-mouse-models-of-alzheimer-s-disease
#14
Ramon Velazquez, An Tran, Egide Ishimwe, Larry Denner, Nikhil Dave, Salvatore Oddo, Kelly T Dineley
Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder worldwide. While the causes of AD are not known, several risk factors have been identified. Among these, type two diabetes (T2D), a chronic metabolic disease, is one of the most prevalent risk factors for AD. Insulin resistance, which is associated with T2D, is defined as diminished or absent insulin signaling and is reflected by peripheral blood hyperglycemia and impaired glucose clearance. In this study, we used complementary approaches to probe for peripheral insulin resistance, central nervous system (CNS) insulin sensitivity and energy homeostasis in Tg2576 and 3xTg-AD mice, two widely used animal models of AD...
June 17, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28686542/polyunsaturated-fatty-acids-and-endocannabinoids-in-health-and-disease
#15
Hércules Rezende Freitas, Alinny Rosendo Isaac, Renato Malcher-Lopes, Bruno Lourenço Diaz, Isis Hara Trevenzoli, Ricardo Augusto De Melo Reis
Polyunsaturated fatty acids (PUFAs) are lipid derivatives of omega-3 (docosahexaenoic acid, DHA, and eicosapentaenoic acid, EPA) or of omega-6 (arachidonic acid, ARA) synthesized from membrane phospholipids and used as a precursor for endocannabinoids (ECs). They mediate significant effects in the fine-tune adjustment of body homeostasis. Phyto- and synthetic cannabinoids also rule the daily life of billions worldwide, as they are involved in obesity, depression and drug addiction. Consequently, there is growing interest to reveal novel active compounds in this field...
July 7, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28685682/advances-in-the-prediction-of-protein-aggregation-propensity
#16
Irantzu Pallarès, Salvador Ventura
Protein aggregation into β-sheet-enriched insoluble assemblies is being found to be associated with an increasing number of debilitating human pathologies, such as Alzheimer's disease or type 2 diabetes, but also with premature aging. Furthermore, protein aggregation represents a major bottleneck in the production and marketing of protein-based therapeutics. A myriad of in vitro and in vivo aggregation studies have shown that the aggregation propensity of a certain polypeptide sequence is highly dependent on its intrinsic properties and, in most cases, driven by specific short regions of high aggregation propensity...
July 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28685430/influence-of-free-radicals-on-the-intrinsic-mri-relaxation-properties
#17
Rong-Wen Tain, Alessandro M Scotti, Weiguo Li, Xiaohong Joe Zhou, Kejia Cai
Free radicals are critical contributors in various conditions including normal aging, Alzheimer's disease, cancer, and diabetes. Currently there is no non-invasive approach to image tissue free radicals based on endogenous contrast due to their extremely short lifetimes and low in vivo concentrations. In this study we aim at characterizing the influence of free radicals on the MRI relaxation properties. Phantoms containing free radicals were created by treating egg white with various H 2 O 2 concentrations and scanned on a 9...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28684415/key-aromatic-hydrophobic-amino-acids-controlling-a-cross-amyloid-peptide-interaction-versus-amyloid-self-assembly
#18
Maria Bakou, Kathleen Hille, Michael Kracklauer, Anna Spanopoulou, Christina V Frost, Eleni Malideli, Li-Mei Yan, Andrea Caporale, Martin Zacharias, Aphrodite Kapurniotu
The interaction of the intrinsically disordered polypeptide islet amyloid polypeptide (IAPP), which is associated with type 2 diabetes (T2D), with the Alzheimer`s disease (AD) amyloid-β (Aβ) peptide modulates their self-assembly into amyloid fibrils and may link the pathogeneses of these two cell degenerative diseases. However, the molecular determinants of this interaction remain elusive. Using a systematic alanine scan approach, fluorescence spectroscopy, and other biophysical methods including hetero-complex pull-down assays, far-UV circular dichroism (CD) spectroscopy, the ThT binding assay, transmission electron microscopy (TEM), and Molecular Dynamics (MD) simulations, here we identified single aromatic/hydrophobic residues within the amyloid core IAPP region as hot spots or key residues of its cross-interaction with Aβ40(42) peptide...
July 6, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28683920/computational-glycobiology-mechanistic-studies-of-carbohydrate-active-enzymes-and-implication-for-inhibitor-design
#19
Andrew P Montgomery, Kela Xiao, Xingyong Wang, Danielle Skropeta, Haibo Yu
Carbohydrate-active enzymes (CAZymes) are families of essential and structurally related enzymes, which catalyze the creation, modification, and degradation of glycosidic bonds in carbohydrates to maintain essentially all kingdoms of life. CAZymes play a key role in many biological processes underpinning human health and diseases (e.g., cancer, diabetes, Alzheimer's diseases, AIDS) and have thus emerged as important drug targets in the fight against pathogenesis. The realization of the full potential of CAZymes remains a significant challenge, relying on a deeper understanding of the molecular mechanisms of catalysis...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28678867/gut-bacterial-peptides-with-autoimmunity-potential-as-environmental-trigger-for-late-onset-complex-diseases-in-silico-study
#20
Sapna Negi, Harpreet Singh, Anirban Mukhopadhyay
Recent evidences suggest that human gut microbiota with major component as bacteria can induce immunity. It is also known that gut lining depletes with ageing and that there is increased risk of autoimmune and inflammatory disorders with ageing. It is therefore likely that both may be correlated as depletion of gut lining exposes the gut bacterial antigens to host immune mechanisms, which may induce immunity to certain bacterial proteins, but at the same time such immunity may also be auto-immunogenic to host...
2017: PloS One
keyword
keyword
19386
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"