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https://www.readbyqxmd.com/read/29043219/optimization-of-maillard-reaction-between-glucosamine-and-other-precursors-by-measuring-browning-with-a-spectrophotometer
#1
Benrick Ogutu, Ye-Joo Kim, Dae-Wook Kim, Sang-Chul Oh, Dong-Lee Hong, Yang-Bong Lee
The individual Maillard reactions of glucose, glucosamine, cyclohexylamine, and benzylamine were studied at a fixed temperature of 120°C under different durations by monitoring the absorbance of the final products at 425 nm. Glucosamine was the most individually reactive compound, whereas the reactions of glucose, cyclohexylamine, and benzylamine were not significantly different from each other. Maillard reactions of reaction mixtures consisting of glucosamine-cyclohexylamine, glucosamine-benzylamine, glucose-cyclohexylamine, and glucose-benzylamine were also studied using different concentration ratios under different durations at a fixed temperature of 120°C and pH 9...
September 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29040025/effect-of-chronic-consumption-of-pistachios-pistacia-vera-l-on-glucose-metabolism-in-pre-diabetics-and-type-2-diabetics-a-systematic-review
#2
Priscila Vaz de Melo Ribeiro, Alessandra da Silva, Alinne Paula de Almeida, Helen Hermana Miranda Hermsdorff, Rita de Cássia Gonçalves Alfenas
Pistachio is a nut with high polyunsaturated fatty acids (PUFA), monounsaturated fatty acids (MUFA), polyphenols and carotenoids content, and the synergism between these compounds appears to affect glucose metabolism. In this systematic review we analyzed studies in which the effect of chronic consumption of pistachio on markers of glucose metabolism was evaluated in pre-diabetic and type 2 diabetics. We used the PubMed, Scopus, Cochrane and Lilacs databases. The research terms used were pistachio, pre-diabetes, type 2 diabetes mellitus, insulin resistance, blood glucose, hyperglycemia and glycated hemoglobin (HbA1c)...
October 17, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29040017/aralia-elata-miq-seem-extract-decreases-o-glcnac-transferase-expression-and-retinal-cell-death-in-diabetic-mice
#3
Yoon Sook Kim, Minjun Kim, Mee Young Choi, Dong Hoon Lee, Gu Seob Roh, Hyun Joon Kim, Sang Soo Kang, Gyeong Jae Cho, Ki Hun Park, Seong-Jae Kim, Ji-Myong Yoo, Wan Sung Choi
Aralia elata (Miq) Seem (AES) is a medicinal plant used in traditional Chinese and Korean medicine for the treatment of several diseases, including diabetes. This study aimed to investigate the neuroprotective effect of AES extract against high glucose-induced retinal injury in diabetic mice. AES extract (20 and 100 mg/kg body weight) was orally administered to control mice or mice with streptozotocin-induced diabetes. Protein levels of O-linked β-N-acetylglucosamine (O-GlcNAc) transferase (OGT), carbohydrate-responsive element-binding protein (ChREBP), sterol regulatory element-binding protein (SREBP)-1, thioredoxin-interacting protein (TXNIP), fatty acid synthase (FAS), and acetyl CoA carboxylase (ACC) were analyzed by western blotting...
October 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29039824/-influence-of-modifiable-cardiovascular-risk-factors-on-antihypertensive-therapy-efficiency-escape
#4
O O Mikhailova, A Yu Litvin, A N Rogoza
AIM: To evaluate the influence of cardiovascular risk factors on antihypertensive therapy (AHT) efficiency escape (EE). SUBJECTS AND METHODS: Data on 59 patients with grades 1-3 hypertension (Stages I-II) were analyzed. During chosen AHT, 24-hour blood pressure monitoring was done at baseline, 1 and 3 months after beginning the observation to identify/rule out the AHT EE phenomenon. RESULTS: The AHT EE group (Group 1) as compared with the group that needed no therapy correction within 3 months (Group 2) was observed to have the following: elevated fasting blood glucose levels (FBGL) (5...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/29039429/highly-active-3-dimensional-cobalt-oxide-nanostructures-on-the-flexible-carbon-substrates-for-enzymeless-glucose-sensing
#5
Palanisamy Kannan, Thandavarayan Maiyalagan, Enrico Marsili, Srabanti Ghosh, Longhua Guo, Youju Huang, Jahangir Ahmed Rather, Dharmaraj Thiruppathi, Joanna Niedziolka-Jönsson, Martin Jönsson-Niedziolka
The demand for electrochemical sensors with high sensitivity and reliability, fast response, and excellent selectivity has stimulated intensive research on developing highly active nanomaterials. In this work, freestanding 3D/Co3O4 thorn-like and wire-like (nanowires) nanostructures are directly grown on a flexible carbon fiber paper (CFP) substrate by a single-step hydrothermal process without using surfactants or templates. The 3D/Co3O4 thorn-like nanostructures show higher electrochemical activity than wire-like because of their high conductivity, large specific surface areas, and mesopores on their surface...
October 17, 2017: Analyst
https://www.readbyqxmd.com/read/29036213/the-value-of-real-time-continuous-glucose-monitoring-in-premature-infants-of-diabetic-mothers
#6
Hean-Pat Saw, Nai-Wei Yao, Cheng-Di Chiu, Jia-Yuh Chen
To determine the feasibility of using a real-time continuous glucose monitoring system (RTGMS) in intensive care units, our study focus on preterm infants with diabetic mothers owing to their high risk of blood sugar abnormalities. Thirty preterm babies (M = 15 and F = 15; ≤ 36 week gestation age) were studied from within 72 hours of delivery. These babies were admitted to the newborn intensive care and were further categorized into groups based on whether their mothers with or without diabetic mellitus. Blood sugar levels were monitored by both RTGMS and the traditional intermittent arterial line (A-Line) glucose method...
2017: PloS One
https://www.readbyqxmd.com/read/29034446/glucose-variability-after-bariatric-surgery-is-prediction-of-diabetes-remission-possible
#7
Ana M Ramos-Leví, Andrés Sánchez-Pernaute, Clara Marcuello, Mercedes Galindo, Alfonso L Calle-Pascual, Antonio J Torres, Miguel A Rubio
We aimed to corroborate glycemic control after bariatric surgery (BS) using continuous glucose monitoring (CGM) and analyze if data could predict long-term outcome. We evaluated 24 of our patients with type 2 diabetes who underwent BS (12 Roux-en-Y gastric bypass, RYGB, and 12 single-anastomosis duodeno-ileal bypass with sleeve gastrectomy, SADI-S) and who were in remission after 18-24 months' follow-up. At this time, a CGM device was placed for 7 days. Patients were reevaluated thereafter for at least 5 years...
October 16, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29034085/amp-activated-protein-kinase-not-just-an-energy-sensor
#8
REVIEW
David Grahame Hardie, Sheng-Cai Lin
Orthologues of AMP-activated protein kinase (AMPK) occur in essentially all eukaryotes as heterotrimeric complexes comprising catalytic α subunits and regulatory β and γ subunits. The canonical role of AMPK is as an energy sensor, monitoring levels of the nucleotides AMP, ADP, and ATP that bind competitively to the γ subunit. Once activated, AMPK acts to restore energy homeostasis by switching on alternate ATP-generating catabolic pathways while switching off ATP-consuming anabolic pathways. However, its ancestral role in unicellular eukaryotes may have been in sensing of glucose rather than energy...
2017: F1000Research
https://www.readbyqxmd.com/read/29032732/a-personalized-week-to-week-updating-algorithm-to-improve-continuous-glucose-monitoring-performance
#9
Stamatina Zavitsanou, Joon Bok Lee, Jordan E Pinsker, Mei Mei Church, Francis J Doyle, Eyal Dassau
BACKGROUND: Continuous glucose monitoring (CGM) systems are increasingly becoming essential components in type 1 diabetes mellitus (T1DM) management. Current CGM technology requires frequent calibration to ensure accurate sensor performance. The accuracy of these systems is of great importance since medical decisions are made based on monitored glucose values and trends. METHODS: In this work, we introduce a calibration strategy that is augmented with a weekly updating feature...
October 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29032494/the-effects-of-add-on-exenatide-to-insulin-on-glycemic-variability-and-hypoglycemia-in-patients-with-type-1-diabetes-mellitus
#10
L-L Jiang, S-Q Wang, B Ding, J Zhu, T Jing, L Ye, K-O Lee, J-D Wu, J-H Ma
OBJECTIVE: To investigate the effect of add-on exenatide to insulin on glycemic excursion and the counter-regulatory hormone in response to hypoglycemia in patients with type 1 diabetes mellitus (T1DM). METHODS: 30 patients with T1DM were recruited and randomly assigned to exenatide + insulin-treated group (group 1, n = 15) or insulin-only-treated group (group 2, n = 15) for 4 weeks. All patients had continuous glucose monitor system (CGMS) applied at before (week-0) and after (week-4) treatment to evaluate the glycemic variability...
October 14, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29031886/zif-67-derived-porous-co3o4-hollow-nanopolyhedron-functionalized-solution-gated-graphene-transistors-for-simultaneous-detection-of-glucose-and-uric-acid-in-tears
#11
Can Xiong, Tengfei Zhang, Weiyu Kong, Zhixiang Zhang, Hao Qu, Wei Chen, Yanbo Wang, Linbao Luo, Lei Zheng
Biomarkers in tears have attracted much attention in daily healthcare sensing and monitoring. Here, highly sensitive sensors for simultaneous detection of glucose and uric acid are successfully constructed based on solution-gated graphene transistors (SGGTs) with two separate Au gate electrodes, modified with GOx-CHIT and BSA-CHIT respectively. The sensitivity of the SGGT is dramatically improved by co-modifying the Au gate with ZIF-67 derived porous Co3O4 hollow nanopolyhedrons. The sensing mechanism for glucose sensor is attributed to the reaction of H2O2 generated by the oxidation of glucose near the gate, while the sensing mechanism for uric acid is due to the direct electro-oxidation of uric acid molecules on the gate...
October 5, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29030581/dielectric-imaging-for-differentiation-between-cancer-and-inflammation-in-vivo
#12
Rimi Lee, Sun-Mi Lee, Hyung Joon Kim, Sook Young Kim, Mina Son, Jun Ho Song, Khulan Lkhamsuren, In Ho Park, In Hong Choi, Young Nyun Park, Jeon-Soo Shin, Kyung-Hwa Yoo
In this study, we develop an in vivo dielectric imaging technique that measures capacitance using pin-type electrode arrays. Compared to normal tissues, cancer tissues exhibit higher capacitance values, allowing us to image the cancer region and monitor the chemotherapeutic effects of cancer in real-time. A comparison with the histopathological results shows that the in vivo dielectric imaging technique is able to detect small tumors (<3 mm) and tumor-associated changes. In addition, we demonstrate that cancer and inflammation may be distinguished by measuring the capacitance images at different frequencies...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29030383/12-week-24-7-ambulatory-artificial-pancreas-with-weekly-adaptation-of-insulin-delivery-settings-effect-on-hemoglobin-a1c-and-hypoglycemia
#13
Eyal Dassau, Jordan E Pinsker, Yogish C Kudva, Sue A Brown, Ravi Gondhalekar, Chiara Dalla Man, Steve Patek, Michele Schiavon, Vikash Dadlani, Isuru Dasanayake, Mei Mei Church, Rickey E Carter, Wendy C Bevier, Lauren M Huyett, Jonathan Hughes, Stacey Anderson, Dayu Lv, Elaine Schertz, Emma Emory, Shelly K McCrady-Spitzer, Tyler Jean, Paige K Bradley, Ling Hinshaw, Alejandro J Laguna Sanz, Ananda Basu, Boris Kovatchev, Claudio Cobelli, Francis J Doyle
OBJECTIVE: Artificial pancreas (AP) systems are best positioned for optimal treatment of type 1 diabetes (T1D) and are currently being tested in outpatient clinical trials. Our consortium developed and tested a novel adaptive AP in an outpatient, single-arm, uncontrolled multicenter clinical trial lasting 12 weeks. RESEARCH DESIGN AND METHODS: Thirty adults with T1D completed a continuous glucose monitor (CGM)-augmented 1-week sensor-augmented pump (SAP) period...
October 13, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29029738/a-redox-modulated-fluorescent-strategy-for-the-highly-sensitive-detection-of-metabolites-by-using-graphene-quantum-dots
#14
Hua Liu, Xing Li, Mengke Wang, Xueqian Chen, Xingguang Su
In this paper, a redox-modulated fluorescent strategy based on the transformation of Fe(2+)/Fe(3+) couple and enzymatic reaction for rapid monitoring glucose and uric acid using graphene quantum dots (GQDs) as fluorescent probe was developed. Hydrogen peroxide (H2O2) can be produced by the enzymatic reaction of a series of metabolites, such as glucose and uric acid. In the presence of hydrogen peroxide, Fe(2+) can be oxidized and converted to Fe(3+), which have a significant quenching difference in the fluorescence of graphene quantum dots (GQDs)...
October 16, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29028442/the-use-of-mobile-applications-among-adults-with-type-1-and-type-2-diabetes-results-from-the-second-miles-australia-miles-2-study
#15
Steven Trawley, Shaira Baptista, Jessica L Browne, Frans Pouwer, Jane Speight
BACKGROUND: While the number of diabetes-specific mobile applications (apps) continues to grow, there is a lack of knowledge about their actual use. METHODS: The second MILES (Management and Impact for Long-term Empowerment and Success)-Australia study was a national cross-sectional survey of the psychological, behavioral, and social aspects of diabetes for adults with type 1 diabetes (T1D) and type 2 diabetes (T2D). Associations between diabetes-specific app usage and demographic, clinical, and psychosocial variables were examined...
October 13, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29027568/-diagnostics-and-treatment-of-acromegaly-necessity-for-targeted-monitoring-of-comorbidities
#16
S Petersenn, M Christ-Crain, M Droste, R Finke, J Flitsch, I Kreitschmann-Andermahr, A Luger, J Schopohl, G Stalla
Acromegaly is a rare and severe condition, presenting with typical signs and symptoms. The diagnosis is often initially made years after the first manifestations of the disease. In more than 99% of patients the disease is caused by a benign pituitary tumor that secretes growth hormone (GH). The diagnosis is based on the presence of increased insulin-like growth factor 1 (IGF-1) levels and a lack of GH suppression in the oral glucose tolerance test. The standard imaging procedure for tumor detection is magnetic resonance imaging in the region of the sella turcica...
October 13, 2017: Der Internist
https://www.readbyqxmd.com/read/29027041/increased-hepatic-fatty-acid-polyunsaturation-precedes-ectopic-lipid-deposition-in-the-liver-in-adaptation-to-high-fat-diets-in-mice
#17
Ana Francisca Soares, João M N Duarte, Rolf Gruetter
OBJECTIVE: We monitored hepatic lipid content (HLC) and fatty acid (FA) composition in the context of enhanced lipid handling induced by a metabolic high-fat diet (HFD) challenge and fasting. MATERIALS AND METHODS: Mice received a control diet (10% of kilocalories from fat, N = 14) or an HFD (45% or 60% of kilocalories from fat, N = 10 and N = 16, respectively) for 26 weeks. A subset of five mice receiving an HFD (60% of kilocalories from fat) were switched to the control diet for the final 7 weeks...
October 12, 2017: Magma
https://www.readbyqxmd.com/read/29026609/ketosis-prone-diabetes-and-sle-co-presenting-in-an-african-lady-with-previous-gestational-diabetes
#18
S Hussain, S Keat, S V Gelding
We describe the case of an African woman who was diagnosed with ketosis-prone diabetes with diabetes-associated autoantibodies, after being admitted for diabetic ketoacidosis (DKA) precipitated by her first presentation of systemic lupus erythematosus (SLE). She had a seven-year history of recurrent gestational diabetes (GDM) not requiring insulin therapy, with return to normoglycaemia after each pregnancy. This might have suggested that she had now developed type 2 diabetes (T2D). However, the diagnosis of SLE prompted testing for an autoimmune aetiology for the diabetes, and she was found to have a very high titre of GAD antibodies...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29025860/negative-regulation-of-trpa1-by-amp-activated-protein-kinase-in-primary-sensory-neurons-as-a-potential-mechanism-of-painful-diabetic-neuropathy
#19
Shenglan Wang, Kimiko Kobayashi, Yoko Kogure, Hiroki Yamanaka, Satoshi Yamamoto, Hideshi Yagi, Koichi Noguchi, Yi Dai
AMP activated protein kinase (AMPK) is a widely expressed intracellular energy sensor that monitors and modulates energy expenditure. Transient receptor potential ankyrin 1 (TRPA1) channel is a widely recognized chemical and thermal sensor that plays vital roles in pain transduction. Here, we discovered a functional link between AMPK and TRPA1 in dorsal root ganglion (DRG) neurons, in which AMPK activation rapidly resulted in downregulation of membrane-associated TRPA1 and its channel activity within minutes...
October 12, 2017: Diabetes
https://www.readbyqxmd.com/read/29025416/impact-of-renal-function-on-the-underlying-pathophysiology-of-coronary-plaque-composition-in-patients-with-type-2-diabetes-mellitus
#20
Kentaro Kakuta, Kaoru Dohi, Miho Miyoshi, Takashi Yamanaka, Masaki Kawamura, Jun Masuda, Tairo Kurita, Toru Ogura, Norikazu Yamada, Yasuhiro Sumida, Masaaki Ito
BACKGROUND: Both the progression of diabetic kidney disease and increased glycemic variability play important roles in the pathogenesis of coronary plaque formation via inflammatory pathways in patients with type 2 diabetes mellitus (T2DM). Therefore we evaluated the role of renal function in the contributory effects of blood glucose fluctuations and blood levels of inflammatory cytokine concentrations on the tissue characteristics of coronary plaques in patients with T2DM. METHODS: We prospectively enrolled 71 T2DM patients (mean age: 68 ± 9, male 79%) with 153 coronary artery lesions...
October 12, 2017: Cardiovascular Diabetology
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