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https://www.readbyqxmd.com/read/28445258/renal-vascular-calcification-and-response-to-renal-nerve-denervation-in-resistant-hypertension
#1
Annemiek F Hoogerwaard, Mark R de Jong, Ahmet Adiyaman, Jaap Jan J Smit, Peter P H M Delnoy, Jan-Evert Heeg, Boudewijn A A M van Hasselt, Anand R Ramdat Misier, Arif Elvan
Renal sympathetic nerve denervation (RDN) is accepted as a treatment option for patients with resistant hypertension. However, results on decline in ambulatory blood pressure (BP) measurement (ABPM) are conflicting. The high rate of nonresponders may be related to increased systemic vascular stiffness rather than sympathetic overdrive. A single center, prospective registry including 26 patients with treatment resistant hypertension who underwent RDN at the Isala Hospital in the Netherlands. Renal perivascular calcium scores were obtained from noncontrast computed tomography scans...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28444791/trialling-nutrient-recommendations-for-slow-lorises-nycticebus-spp-based-on-wild-feeding-ecology
#2
F Cabana, E Dierenfeld, W Wirdateti, G Donati, K A I Nekaris
Slow loris (Nycticebus spp.) captive diets have been based on routine and anecdotes rather than scientific fact. The growing body of evidence contradicts the high fruit diet supported by such anecdotes. Non-human primate nutrient requirements are grouped into new (based on the common marmoset Callithrix jacchus) or old world (based on rhesus macaques Macaca mulatta) primates. Slow lorises are known to suffer from many health ailments in captivity such as dental disease, obesity, wasting and kidney issues all of which have been linked to diet...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28444482/synthesis-pharmacological-evaluation-and-molecular-docking-of-pyranopyrazole-linked-1-4-dihydropyridines-as-potent-positive-inotropes
#3
Rakesh Kumar, Neha Yadav, Rodolfo Lavilla, Daniel Blasi, Jordi Quintana, José Manuel Brea, María Isabel Loza, Jordi Mestres, Mamta Bhandari, Ritu Arora, Rita Kakkar, Ashok K Prasad
1,4-Dihydropyridines are well-known calcium channel blockers, but variations in the substituents attached to the ring have resulted in their role reversal making them calcium channel activators in some cases. We describe the microwave-assisted eco-friendly approach for the synthesis of pyranopyrazole-1,4-dihydropyridines, a new class of 1,4-DHPs, under solvent-free conditions in good yield, and screen them for various in silico, in vitro and in vivo activities. The in vivo experimentation results show that the compounds possess positive inotropic effect, and the docking results validate their good binding with calcium channels...
April 25, 2017: Molecular Diversity
https://www.readbyqxmd.com/read/28443064/loss-of-vagal-sensitivity-to-cholecystokinin-in-rats-born-with-intrauterine-growth-retardation-and-consequence-on-food-intake
#4
Marième Ndjim, Camille Poinsignon, Patricia Parnet, Gwenola Le Dréan
Perinatal malnutrition is associated with low birth weight and an increased risk of developing metabolic syndrome in adulthood. Modification of food intake (FI) regulation was observed in adult rats born with intrauterine growth retardation induced by maternal dietary protein restriction during gestation and maintained restricted until weaning. Gastrointestinal peptides and particularly cholecystokinin (CCK) play a major role in short-term regulation of FI by relaying digestive signals to the hindbrain via the vagal afferent nerve (VAN)...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28442927/mechanical-factors-and-vitamin-d-deficiency-in-schoolchildren-with-low-back-pain-biochemical-and-cross-sectional-survey-analysis
#5
Ahmad H Alghadir, Sami A Gabr, Einas S Al-Eisa
OBJECTIVE: This study was designed to evaluate the role of vitamin D, muscle fatigue biomarkers, and mechanical factors in the progression of low back pain (LBP) in schoolchildren. BACKGROUND: Children and adolescents frequently suffer from LBP with no clear clinical causes, and >71% of schoolchildren aged 12-17 years will show at least one episode of LBP. MATERIALS AND METHODS: A total of 250 schoolchildren aged 12-16 years were randomly enrolled in this study...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28442472/functional-and-metabolomic-consequences-of-atp-dependent-potassium-channel-inactivation-in-human-islets
#6
Changhong Li, Amanda M Ackermann, Kara E Boodhansingh, Tricia R Bhatti, Chengyang Liu, Jonathan Schug, Nicolai Doliba, Bing Han, Karen E Cosgrove, Indraneel Banerjee, Franz M Matschinsky, Itzhak Nissim, Klaus H Kaestner, Ali Naji, N Scott Adzick, Mark J Dunne, Charles A Stanley, Diva D De León
Loss-of-function mutations of β-cell KATP channels cause the most severe form of congenital hyperinsulinism (KATPHI). KATPHI is characterized by fasting and protein-induced hypoglycemia that is unresponsive to medical therapy. For a better understanding of the pathophysiology of KATPHI, we examined cytosolic calcium, insulin secretion, oxygen consumption, and [U-(13)C]glucose metabolism in islets isolated from the pancreases of children with KATPHI who required pancreatectomy. Basal cytosolic calcium ([Ca(2+)] i ) and insulin secretion were higher in KATPHI islets compared to controls...
April 25, 2017: Diabetes
https://www.readbyqxmd.com/read/28440590/sodium-glucose-co-transporter-2-sglt2-inhibitors-and-fracture-risk-in-patients-with-type-2-diabetes-mellitus-a-meta-analysis
#7
Darin Ruanpeng, Patompong Ungprasert, Jutarat Sangtian, Tasma Harindhanavudhi
INTRODUCTION: Sodium glucose co-transporter 2 (SGLT2) inhibitors could potentially alter calcium and phosphate homeostasis and may increase the risk of bone fracture. METHODS: The current meta-analysis was conducted to investigate the fracture risk among patients with type 2 diabetes mellitus treated with SGLT2 inhibitors. Randomized controlled trials that compared the efficacy of SGLT2 inhibitors to placebo were identified. The risk ratios of fracture among patients who received SGLT2 inhibitors versus placebo were extracted from each study...
April 25, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28440433/effective-cytotoxic-activity-of-osw-1-on-colon-cancer-by-inducing-apoptosis-in%C3%A2-vitro-and-in%C3%A2-vivo
#8
Yanhong Zhang, Fengqi Fang, Kai Fan, Yanli Zhang, Jie Zhang, Huishu Guo, Peiyao Yu, Jianmei Ma
As a natural compound, Ornithogalum caudatum Ait is primarily used as an anti-inflammatory and antitumor agent in Chinese folk medicine. In 1992, OSW-1 was isolated from this compound, which is a new member of cholestane saponin family. In numerous recent studies, OSW-1 has been shown to have powerful cytotoxic anticancer effects against various malignant cells. However, the therapeutic efficacy of OSW-1 on colon cancer and the underlying mechanism are not understood. To explore the mechanism underlying OSW-1 in antitumor therapy, a therapeutic function analysis of OSW-1 on colon cancer was performed in vitro and in vivo...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28439058/-calcium-and-bone-metabolism-across-women-s-life-stages-stress-fracture-in-female-athletes
#9
Kazuyoshi Yagishita
Stress fractures are common overuse injuries in athletes, especially in long-distance runner, jumping sports and gymnastics in female athletes. The pathology of stress fracture mainly includes repeated biomechanical loading, which leads to bone micro-damage and failure of bone structure. Female athlete triad(FAT), which includes low energy availability with or without an eating disorder, functional hypothalamic amenorrhea, and osteoporosis, is a serious healthcare concern in female athletes. For prevention and treatment of stress fracture, management of biomechanical factors modifying the load applied to a bone is important, and especially in female athletes, management for FAT is one of the important factors...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28439057/-calcium-and-bone-metabolism-across-women-s-life-stages-osteoporosis-in-female-patients-with-rheumatoid-arthritis
#10
Takefumi Furuya
Female patients with rheumatoid arthritis(RA)are at high risk for osteoporosis and fractures. In Japanese female patients with RA, age, disability, daily prednisolone dose, history of total knee replacement, and low bone mineral density are known to be risk factors for fractures, and more than 70% are reported to be vitamin D deficiency.
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28439054/-calcium-and-bone-metabolism-across-women-s-life-stages-the-effects-of-oral-contraceptives-low-dose-estrogen-progestin-on-bone-metabolism-bone-mass-and-geometry-in-adolescent-and-young-adult-women
#11
Hiroya Okano
Estrogens have a biphasic action on pubertal and/or adolescent skeletal growth. Low levels of estrogen may increase the periosteal expansion through the increase in the sensitivity of bone for mechanical stimuli and the secretion of IGF-1. On the other hand, high estrogen concentrations may inhibit periosteal bone formation. To use OC/LEP(oral contraceptive/low dose estrogen-progestin) during adolescence, meaning exposure to high levels of estrogen, may prevent the acquisition of physiologic peak of bone mass...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28438779/human-alternative-macrophages-populate-calcified-areas-of-atherosclerotic-lesions-and-display-impaired-rankl-induced-osteoclastic-bone-resorption-activity
#12
Giulia Chinetti-Gbaguidi, Mehdi Daoudi, Mickael Rosa, Manjula Vinod, Loïc Louvet, Corinne Copin, Melanie Fanchon, Jonathan Vanhoutte, Bruno Derudas, Loic Belloy, Stephan Haulon, Christophe Zawadzki, Sophie Susen, Ziad A Massy, Jérôme Eeckhoute, Bart Staels
Rationale: Vascular calcification is a process similar to bone formation leading to an inappropriate deposition of calcium phosphate minerals in advanced atherosclerotic plaques. Monocyte-derived macrophages, located in atherosclerotic lesions and presenting heterogeneous phenotypes, from classical pro-inflammatory M1 to alternative anti-inflammatory M2 macrophages, could potentially display osteoclast-like functions. Objective: To characterize the phenotype of macrophages located in areas surrounding the calcium deposits in human atherosclerotic plaques...
April 24, 2017: Circulation Research
https://www.readbyqxmd.com/read/28438681/immobilized-lignin-peroxidase-from-ganoderma-lucidum-ibl-05-with-improved-dye-decolorization-and-cytotoxicity-reduction-properties
#13
Raheela Shaheen, Muhammad Asgher, Fatima Hussain, Haq Nawaz Bhatti
Use of free microbial enzymes for bioremediation and other industrial applications has several disadvantages like low stability and non-reusability in repeated batch operations. Immobilized enzymes are stable, recoverable and reusable in industrial processes. In this scenario G. lucidum IBL-05 LiP was entrapped in Ca-alginate beads using optimum concentrations of Na-alginate (4%), calcium chloride (0.2M) and glutraldehyde (0.02%). Optimum pH (pH 5) and temperature (55(o)C) for entrapped LiP were improved as compared to free LiP...
April 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28438661/systematic-review-of-the-potential-adverse-effects-of-caffeine-consumption-in-healthy-adults-pregnant-women-adolescents-and-children
#14
Daniele Wikoff, Brian T Welsh, Rayetta Henderson, Gregory P Brorby, Janice Britt, Esther Myers, Jeffrey Goldberger, Harris R Lieberman, Charles O'Brien, Jennifer Peck, Milton Tenebein, Connie Weaver, Seneca Harvey, Jonathan Urban, Candace Doepker
To date, one of the most heavily cited assessments of caffeine safety in the peer-reviewed literature is that issued by Health Canada (Nawrot et al., 2003). Since then, >10,000 papers have been published related to caffeine, including hundreds of reviews on specific human health effects; however, to date, none have compared the wide range of topics evaluated by Nawrot et al. (2003). Thus, as an update to this foundational publication, we conducted a systematic review of data on potential adverse effects of caffeine published from 2001 to June 2015...
April 7, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#15
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437610/long-acting-release-formulation-of-exendin-4-based-on-biomimetic-mineralization-for-type-2-diabetes-therapy
#16
Wei Chen, Guohao Wang, Bryant C Yung, Gang Liu, Zhiyong Qian, Xiaoyuan Chen
Exendin-4 has been clinically exploited for treating type 2 diabetes, but the short circulation half-life and multiple daily injections limit its widespread application with respect to poor patient compliance, low efficacy, and high treatment cost. In this study, a potent long-acting release system based on biomimetic mineralization was constructed for biocompatible and sustained exendin-4 delivery. Similar to natural biomineralization, exendin-4 can be mineralized to form nano-sized mineral solids by means of the reaction between acidic amino acid residues and calcium ions in a supersaturated environment with negligible influence on peptide bioactivity...
April 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28437443/relative-predictive-value-of-lung-cancer-screening-ct-versus-myocardial-perfusion-attenuation-correction-ct-in-the-evaluation-of-coronary-calcium
#17
Grant Bailey, Abigail Healy, Bryan D Young, Esseim Sharma, Judith Meadows, Hyung J Chun, Wen-Chih Wu, Gaurav Choudhary, Alan R Morrison
Coronary artery calcium scores (CACS) from lung cancer screening computed tomography (LCSCT) or myocardial perfusion attenuation correction computed tomography (ACCT) are not routinely performed or reported. CACS from LCSCT and ACCT have not been directly compared in the same patient population. We identified 66 patients who underwent both LCSCT (non-gated) and ECG-gated cardiac CT (CCT) within a 2-year span. Of this population, 40 subjects had also undergone ACCT. Using the Agatston method, CACS for 264 individual vessels from the LCSCT population and for 160 vessels from ACCT population were calculated and evaluated for agreement with ECG-gated CCT as the gold standard...
2017: PloS One
https://www.readbyqxmd.com/read/28436101/systematic-review-on-evidence-based-adolescent-nutrition-interventions
#18
REVIEW
Zohra S Lassi, Anoosh Moin, Jai K Das, Rehana A Salam, Zulfiqar A Bhutta
Adolescence is a critical stage in the life cycle, and adequate nutrition is necessary for the proper growth and development of individuals and their offspring. Here, we comprehensively review all published systematic reviews (through October 2016) on adolescents (10-19 years) and women of reproductive age, including pregnant women, which targeted interventions related to nutrition. For interventions where there was no existing systematic review on adolescents, we reviewed primary studies/trials. We included interventions on micronutrient supplementation (iron, folic acid, iron-folic acid (IFA), calcium, vitamin D, vitamin A, zinc, iodine, and multiple micronutrients), food/protein energy supplementation, nutrition education for pregnant adolescents, obesity prevention and management, and management of gestational diabetes...
April 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28435765/chronic-nephropathy-from-dietary-hyperoxaluria-sustained-improvement-of-renal-function-after-dietary-intervention
#19
Yijuan Sun, Bruce L Horowitz, Karen S Servilla, Joanna R Fair, Darlene Vigil, Kavitha Ganta, Larry Massie, Antonios H Tzamaloukas
A 56-year-old man with stable chronic kidney disease (CKD) for two years following a single episode of calcium oxalate urolithiasis developed progressive elevation of his serum creatinine concentration. Urinalysis revealed pyuria and white cell casts, a few red blood cells, minimal proteinuria, and no crystals. Urine culture was sterile. Gallium scintigraphy was consistent with interstitial nephritis. Proton pump inhibitor intake was discontinued, and a short course of oral corticosteroids was initiated. Percutaneous kidney biopsy, performed because of the continued deterioration of renal function to a minimum estimated glomerular filtration rate (eGFR) value of 15 mL/min per 1...
March 20, 2017: Curēus
https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#20
REVIEW
Jill Thein-Nissenbaum, Erin Hammer
Since the passage of Title IX in 1972, female sports participation has dramatically increased. The benefits of physical activity, including decreased risk for heart disease and diabetes as well as improved body image and self-esteem, far outweigh the risks. However, a select population of adolescent and young adult females may experience symptoms related to the female athlete triad (Triad), which refers to the interrelatedness of energy availability, menstrual function, and bone mineral density (BMD). These conditions often manifest clinically as disordered eating behaviors, menstrual irregularity, and stress fractures; an individual may suffer from 1 or all of the Triad components simultaneously...
2017: Open Access Journal of Sports Medicine
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