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diabetes, biochemistry

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https://www.readbyqxmd.com/read/28526011/risk-of-acute-kidney-injury-and-survival-in-patients-treated-with-metformin-an-observational-cohort-study
#1
Samira Bell, Bassam Farran, Stuart McGurnaghan, Rory J McCrimmon, Graham P Leese, John R Petrie, Paul McKeigue, Naveed Sattar, Sarah Wild, John McKnight, Robert Lindsay, Helen M Colhoun, Helen Looker
BACKGROUND: Whether metformin precipitates lactic acidosis in patients with chronic kidney disease (CKD) remains under debate. We examined whether metformin use was associated with an increased risk of acute kidney injury (AKI) as a proxy for lactic acidosis and whether survival among those with AKI varied by metformin exposure. METHODS: All individuals with type 2 diabetes and available prescribing data between 2004 and 2013 in Tayside, Scotland were included. The electronic health record for diabetes which includes issued prescriptions was linked to laboratory biochemistry, hospital admission, death register and Scottish Renal Registry data...
May 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28514403/-chronic-constipation-in-the-practice-of-a-therapist-features-of-therapy-for-comorbidity
#2
A A Svistunov, M A Osadchuk, L I Butorova, G M Tokmulina
AIM: To evaluate the clinical efficacy of laxatives with different pharmacological effects in the combination therapy in patients with chronic constipation (CC) concurrent with obesity, hypertensive disease, and type 2 diabetes mellitus (DM). SUBJECTS AND METHODS: A total of 110 people (45 men, 65 women) aged 45 to 72 years with CC in the presence of concomitant diseases: grade 1 or 2 hypertensive disease + obesity + type 2 DM. The investigators determined the severity of abdominal pain syndrome and flatulence, by indicating the mean frequency of defecations per week and fecal consistency according to the Bristol stool scale; anthropometric parameters; serum biochemistry tests; and serum lipoprotein phenotyping...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28502636/diabetogenic-agent-alloxan-is-a-proteasome-inhibitor
#3
Wenjuan Zhou, Lingling Wei, Ting Xiao, Chunyou Lai, Min Peng, Lingli Xu, Xiangwei Luo, Shaoping Deng, Fengxue Zhang
Alloxan has been used as a diabetogenic agent to induce diabetes. It selectively induces pancreatic β-cell death. The specific toxicity, however, is not fully understood. In this study, we observed the effect of alloxan on proteasome function. We found that alloxan caused the accumulation of ubiquitinated proteins in NRK cells through the inhibition of the proteolytic activities of the proteasome. Biochemistry experiments with purified 26S and 20S proteasomes revealed that alloxan directly acts on the chymotrypsin- and trypsin-like peptidase activities...
May 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28502492/low-levels-of-apoa1-improve-risk-prediction-of-type-2-diabetes-mellitus
#4
Xing Wu, Zhexin Yu, Wen Su, Daniel A Isquith, Moni B Neradilek, Ning Lu, Fusheng Gu, Hongwei Li, Xue-Qiao Zhao
BACKGROUND: Type 2 diabetes mellitus (T2DM) has reported to be a major public health crisis in China. OBJECTIVE: We examined the incidence of new T2DM over 4 years for association of clinical factors and lipids with development of T2DM in a community-based population. METHODS: We included 923 Chinese subjects who participated in community-organized health checkout in both 2009 and 2013. Health history was collected; physical examination was performed; biochemistry, lipids, and glucose were measured...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28498720/protein-misfolding-amyloid-formation-and-human-disease-a-summary-of-progress-over-the-last-decade
#5
Fabrizio Chiti, Christopher M Dobson
Peptides and proteins have been found to possess an inherent tendency to convert from their native functional states into intractable amyloid aggregates. This phenomenon is associated with a range of increasingly common human disorders, including Alzheimer and Parkinson diseases, type II diabetes, and a number of systemic amyloidoses. In this review, we describe this field of science with particular reference to the advances that have been made over the last decade in our understanding of its fundamental nature and consequences...
May 12, 2017: Annual Review of Biochemistry
https://www.readbyqxmd.com/read/28471565/a-new-cutoff-for-abnormal-proteinuria-in-diabetes-mellitus-patients-relationship-to-albuminuria
#6
Orit Erman, Arie Erman, Alina Vodonos, Uzi Gafter, David J van Dijk
BACKGROUND: Proteinuria and albuminuria are markers of kidney injury and function, serving as a screening test as well as a means of assessing the degree of kidney injury and risk for cardiovascular disease and death in both the diabetic and the non-diabetic general population. OBJECTIVES: To evaluate the association between proteinuria below 300 mg/24 hours and albuminuria, as well as a possible association with kidney function in patients with diabetes mellitus (DM)...
July 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28462146/comparative-toxicity-study-on-classical-and-modified-version-of-jawarish-jalinoos-a-traditional-unani-formulation-in-rats
#7
Gulam Mohammed Husain, Syed Shoeb Ahmed, Misbahuddin Azhar, Javed Inam Siddiqui, Mohammad Abdul Waheed, Munawwar Husain Kazmi
BACKGROUND: Jawarish Jalinoos (JJ) is a classical semisolid traditional Unani formulation clinically used for the treatment of weakness of vital organs, liver, and stomach. Although JJ has been widely used clinically for several decades, no scientific report is available for its safety. METHODS: JJ and its sugar-free tablet version (SFJJ; formulated to target diabetic population) were assessed for safety in rats. Ninety-day repeated dose oral toxicity study was performed as per the Organisation for Economic Co-operation and Development Guideline 408...
March 2017: Integr Med Res
https://www.readbyqxmd.com/read/28449252/serum-phosphorus-levels-and-fracture-following-renal-transplantation
#8
Jasna Aleksova, Phillip Wong, William R Mulley, Kay Weng Choy, Robert McLachlan, Peter R Ebeling, Peter G Kerr, Frances Milat
PURPOSE: Increased fracture rates are observed in renal transplant recipients (RTRs) compared with the general population. Risk factors include age, diabetes, dialysis vintage, immunosuppression, and mineral and bone disorders(1). Low serum phosphorus levels occur post-transplantation; however its relationship with fracture risk has not been evaluated. The purpose of this study was to evaluate risk factors for fracture in RTRs at a single tertiary referral centre. METHODS: A retrospective cross-sectional analysis of 146 patients (75M, 71F) who had been referred for dual energy x-ray densitometry (DXA) post-renal transplantation was performed...
April 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28437199/the-correlation-of-arterial-stiffness-with-biophysical-parameters-and-blood-biochemistry
#9
Anamil M Khiyami, Fiona J Dore, Aytan Mammadova, Richard L Amdur, Sabyasachi Sen
INTRODUCTION: Type 2 diabetes presents with numerous macrovascular and microvascular impairments, which in turn lead to various co-morbidities. Vascular co-morbidities can be seen when examining arterial stiffness (AS), which is a predictor for endothelial health and cardiovascular disease risk. Pulse wave analysis (PWA) and pulse wave velocity (PWV) are two tests that are commonly used to measure AS. Currently, disease states and progression are tracked via blood biochemistry. These gold standards in monitoring diabetes are expensive and need optimization...
May 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28432469/renal-findings-in-patients-with-mulibrey-nanism
#10
Johanna Sivunen, Susann Karlberg, Jouko Lohi, Niklas Karlberg, Marita Lipsanen-Nyman, Hannu Jalanko
BACKGROUND: Mulibrey nanism (MUL) is a rare inherited disease caused by genetic defects affecting peroxisomal TRIM37 protein. MUL affects multiple organs, leading to growth retardation and early onset type 2 diabetes. We aimed to characterize the structure and function of kidneys and the urinary tract in a large cohort of Finnish MUL patients. METHODS: Ultrasound, magnetic resonance imaging (MRI), and autopsy findings of the kidneys and urinary tract from 101 MUL patients were retrospectively analyzed...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28428052/opening-eyes-to-nanomedicine-where-we-are-challenges-and-expectations-on-nanotherapy-for-diabetic-retinopathy
#11
REVIEW
Elisa J Campos, António Campos, João Martins, António Francisco Ambrósio
People affected with ocular diseases will significantly increase over the next decades, and, consequently, a substantial increase in health costs is expected. Diabetic retinopathy is the most common chronic complication of diabetes. The treatment of eye diseases affecting the posterior segment, such as diabetic retinopathy, is quite challenging due to the anatomy, physiology and biochemistry of the eye. Therefore, the development of new therapeutics for posterior eye diseases has been a major focus of pharmaceutical research in the area of vision sciences...
April 17, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28420204/fructose-intake-serum-uric-acid-and-cardiometabolic-disorders-a-critical-review
#12
REVIEW
Cristiana Caliceti, Donato Calabria, Aldo Roda, Arrigo F G Cicero
There is a direct relationship between fructose intake and serum levels of uric acid (UA), which is the final product of purine metabolism. Recent preclinical and clinical evidence suggests that chronic hyperuricemia is an independent risk factor for hypertension, metabolic syndrome, and cardiovascular disease. It is probably also an independent risk factor for chronic kidney disease, Type 2 diabetes, and cognitive decline. These relationships have been observed for high serum UA levels (>5.5 mg/dL in women and >6 mg/dL in men), but also for normal to high serum UA levels (5-6 mg/dL)...
April 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28413737/amino-acid-leucine-chromatography-a-study-of-branched-chain-aminoaciduria-in-type-2-diabetes
#13
Bhagavan Reddy Kolanu, Venugopal Boddula, Sabitha Vadakedath, Venkataramana Kandi
INTRODUCTION: Diabetes is a disease characterized by insulin deficiency resulting in glucose intolerance and in abnormalities of other metabolic fuels including protein. Recently, a number of studies have revealed that branched-chain amino acids (BCAAs) (leucine, isoleucine, and valine) play an important role in the regulation of protein synthesis by activating mammalian target of rapamycin (mTOR) in pancreatic β cells. BCAAs have positive effects on the regulation of glucose homeostasis...
March 12, 2017: Curēus
https://www.readbyqxmd.com/read/28408433/the-relationship-between-circulating-irisin-levels-and-tissues-age-accumulation-in-type-2-diabetes-patients
#14
Zhu Li, Gang Wang, Yanjuan Zhu, Chenguang Li, Yunzhao Tang, Zhenhuan Jiang, Min Yang, Changlin Ni, Li-Ming Chen, Wen-Yan Niu
Objective: AGEs, measured by skin autofluorescence (AF), are a factor in the development or worsening of many degenerative diseases, such as diabetes and atherosclerosis. Irisin levels has been associated with diabetes, endothelial dysfunction and atherosclerosis. The objective of this study was to investigate whether circulating irisin levels are correlated with skin AF values in type 2 diabetes patients. Design: A total of 362 Chinese type 2 diabetic patients and 100 age- and sex-matched healthy controls were recruited in this study...
April 13, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28401081/zinc-in-pancreatic-islet-biology-insulin-sensitivity-and-diabetes
#15
REVIEW
Wolfgang Maret
About 20 chemical elements are nutritionally essential for humans with defined molecular functions. Several essential and nonessential biometals are either functional nutrients with antidiabetic actions or can be diabetogenic. A key question remains whether changes in the metabolism of biometals and biominerals are a consequence of diabetes or are involved in its etiology. Exploration of the roles of zinc (Zn) in this regard is most revealing because 80 years of scientific discoveries link zinc and diabetes...
March 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28394739/exercise-but-not-metformin-improves-health-related-quality-of-life-and-mood-states-in-older-adults-with-type-2-diabetes
#16
Liliana C Baptista, Aristides M Machado-Rodrigues, Raul A Martins
The aim of this cohort study is to analyse the effect of three types of treatment: (i) exercise training with multicomponent exercise (E); (ii) pharmacologic treatment with oral hypoglycaemic drug - metformin (M); and (iii) a combined therapy - exercise and metformin (E + M) on health-related quality of life (HRQoL) and mood states in older adults with type 2 diabetes (T2D) with comorbidity in an early stage of the disease. Participants (n = 284) underwent 1 of the following 3 conditions: (i) E (n = 59) trained three times/week; (ii) M (n = 30) used 850 mg of metformin twice daily; and (iii) E + M (n = 195) combined exercise and metformin...
July 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28372523/in-vivo-ros-production-and-use-of-oxidative-stress-derived-biomarkers-to-detect-the-onset-of-diseases-such-as-alzheimer-s-disease-parkinson-s-disease-and-diabetes
#17
Aya Umeno, Vasudevanpillai Biju, Yasukazu Yoshida
Breakthroughs in biochemistry have furthered our understanding of the onset and progression of various diseases, and have advanced the development of new therapeutics. Oxidative stress and reactive oxygen species (ROS) are ubiquitous in biological systems. ROS can be formed non-enzymatically by chemical, photochemical and electron transfer reactions, or as the byproducts of endogenous enzymatic reactions, phagocytosis, and inflammation. Imbalances in ROS homeostasis, caused by impairments in antioxidant enzymes or non-enzymatic antioxidant networks, increase oxidative stress, leading to the deleterious oxidation and chemical modification of biomacromolecules such as lipids, DNA, and proteins...
April 25, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28366844/an-assessment-of-the-nutraceutical-potential-of-juglans-regia-l-leaf-powder-in-diabetic-rats
#18
Adriano Mollica, Gokhan Zengin, Marcello Locatelli, Azzurra Stefanucci, Giorgia Macedonio, Giuseppe Bellagamba, Olakunle Onaolapo, Adejoke Onaolapo, Falilat Azeez, Adeola Ayileka, Ettore Novellino
In this study, we evaluated the nutraceutical potential of Juglans regia L. (a dietary supplement and food-additive) by evaluating the in-vitro anti-diabetic potential and by assessing the in-vivo anti-hyperglycaemic, anti-hyperlipidaemic, and organ-protective effects of freshly-dried and powdered leaves of J. regia L. in diabetic rats. In the in-vivo experiments, dry powder of J. regia L. leaf (25, 50 and 100 mg/kg) was administered orally, twice daily (9.00 a.m. and 5 p.m.) to streptozocin-induced diabetic rats over a period of 28 days, during which body weight and blood glucose were monitored weekly...
March 30, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28362348/effect-of-temperature-on-tolbutamide-binding-to-glycated-serum-albumin
#19
Agnieszka Szkudlarek, Danuta Pentak, Anna Ploch, Jadwiga Pożycka, Małgorzata Maciążek-Jurczyk
Glycation process occurs in protein and becomes more pronounced in diabetes when an increased amount of reducing sugar is present in bloodstream. Glycation of protein may cause conformational changes resulting in the alterations of its binding properties even though they occur at a distance from the binding sites. The changes in protein properties could be related to several pathological consequences such as diabetic and nondiabetic cardiovascular diseases, cataract, renal dysfunction and Alzheimer's disease...
March 31, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28359251/applying-knowledge-of-enzyme-biochemistry-in-prediction-of-functional-sites-for-aiding-drug-discovery
#20
Priyadarshini P Pai, Sukanta Mondal
Enzymes are biological catalysts that play an important role in determining the patterns of chemical transformations pertaining to life. Many milestones have been achieved in unraveling the mechanisms in which the enzymes orchestrate various cellular processes using experimental and computational approaches. Experimental studies generating nearly all possible mutations of target enzymes have been aided by rapid computational approaches aiming at enzyme functional classification, understanding domain organization, functional site identification...
March 29, 2017: Current Topics in Medicinal Chemistry
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