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https://www.readbyqxmd.com/read/29234089/impact-of-treatment-on-resting-cerebral-blood-flow-and-metabolism-in-obsessive-compulsive-disorder-a-meta-analysis
#1
A L van der Straten, D Denys, G A van Wingen
Neurobiological models of obsessive-compulsive disorder (OCD) posit that its clinical symptoms such as repetitive thoughts and behaviors are related to hyperactivity in the cortico-striato-thalamo-cortical (CSTC) circuit. Small scale neuroimaging studies have shown that treatment of OCD is associated with reduced activity across different brain structures within this circuitry. We performed the first meta-analysis of positron emission tomography (PET) and single photon emission computed tomography (SPECT) studies that investigated cerebral blood flow or glucose metabolism in patients with OCD before and after pharmacological or psychological treatment...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29233018/type-1-diabetic-patients-have-better-endothelial-function-after-simultaneous-pancreas-kidney-transplantation-than-after-kidney-transplantation-with-continued-insulin-therapy
#2
Jacek Ziaja, Adrian P Kowalik, Aureliusz Kolonko, Dorota Kamińska, Aleksander J Owczarek, Agata Kujawa-Szewieczek, Mariusz A Kusztal, Joanna Badura, Dominika Bożek-Pająk, Piotr Choręza, Agnieszka Zakrzewska, Robert Król, Stefan Chłopicki, Marian Klinger, Andrzej Więcek, Jerzy Chudek, Lech Cierpka
The purpose of this study was to analyse the influence of simultaneous pancreas-kidney or kidney transplantation on endothelial function and systemic inflammation in type 1 diabetic patients with end-stage renal disease. In 39 simultaneous pancreas-kidney, 39 type 1 diabetic kidney and 52 non-diabetic kidney recipients, flow-mediated dilatation was measured. Additionally, blood glycated haemoglobin, serum creatinine and lipids, plasma nitrites [Formula: see text] and nitrates, asymmetric dimethylarginine, soluble vascular cell adhesion molecule-1, intercellular adhesion molecule-1, and E-selectin, high-sensitivity C-reactive protein, tumour necrosis factor-α, interleukin 1β and interleukin 6 concentrations were assessed...
December 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/29232262/intermittent-versus-continuous-feeding-in-critically-ill-adults
#3
Jayshil J Patel, Martin D Rosenthal, Daren K Heyland
PURPOSE OF REVIEW: Early enteral nutrition is recommended in critically ill adult patients. The optimal method of administering enteral nutrition remains unknown. Continuous enteral nutrition administration in critically ill patients remains the most common practice worldwide; however, its practice has recently been called into question in favor of intermittent enteral nutrition administration, where volume is infused multiple times per day. This review will outline the key differences between continuous and intermittent enteral nutrition, describe the metabolic responses to continuous and intermittent enteral nutrition administration and outline recent studies comparing continuous with intermittent enteral nutrition administration on outcomes in critically ill adults...
December 11, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29230179/transplacental-nutrient-transport-mechanisms-of-intrauterine-growth-restriction-in-rodent-models-and-humans
#4
REVIEW
Elke Winterhager, Alexandra Gellhaus
Although the causes of intrauterine growth restriction (IUGR) have been intensively investigated, important information is still lacking about the role of the placenta as a link from adverse maternal environment to adverse pregnancy outcomes of IUGR and preterm birth. IUGR is associated with an increased risk of cardiovascular, metabolic, and neurological diseases later in life. Determination of the most important pathways that regulate transplacental transport systems is necessary for identifying marker genes as diagnostic tools and for developing drugs that target the molecular pathways...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29227722/glucose-phosphate-isomerase-gpi-tadikonda-characterization-of-a-novel-pro340ser-mutation
#5
Ahmar U Zaidi, Prabhakar Kedar, Prasad Rao Koduri, Gerard W Goyette, Steven Buck, Donald E Paglia, Yaddanapudi Ravindranath
After a thirty-year lag, we serendipitously reestablished contact with a patient with glucose phosphate isomerase deficiency and hydrops fetalis first reported in 1987. We now provide a clinical update and provide results of mutation analysis in this patient, from Southern India. The patient now an adult female of 36 years of age has moderate anemia but requires no transfusions except with some intercurrent illnesses. Exome sequencing studies showed a homozygous c.1018C>T (Pro340Ser) mutation in exon 12 of the glucose phosphate isomerase gene and later confirmed by direct sequencing...
December 11, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29215104/a-novel-ptp1b-inhibitor-extracted-from-ganoderma-lucidum-ameliorates-insulin-resistance-by-regulating-irs1-glut4-cascades-in-the-insulin-signaling-pathway
#6
Zhou Yang, Fan Wu, Yanming He, Qiang Zhang, Yuan Zhang, Guangrong Zhou, Hongjie Yang, Ping Zhou
Insulin resistance caused by the overexpression of protein tyrosine phosphatase 1 B (PTP1B) as well as the dephosphorylation of its target is one of the main causes of type 2 diabetes (T2D). A newly discovered proteoglycan, Fudan-Yueyang Ganoderma lucidum (FYGL) extracted from Ganoderma lucidum, was first reported to be capable of competitively inhibiting PTP1B activity in vitro in our previous work. In the present study, we sought to reveal the mechanism of PTP1B inhibition by FYGL at the animal and cellular levels...
December 7, 2017: Food & Function
https://www.readbyqxmd.com/read/29213078/functional-status-of-microvascular-vasomotion-is-impaired-in-spontaneously-hypertensive-rat
#7
Mingming Liu, Xiaoyan Zhang, Bing Wang, Qingbin Wu, Bingwei Li, Ailing Li, Honggang Zhang, Ruijuan Xiu
Accumulating evidence demonstrates that microcirculation plays a role in the pathogenesis of hypertension. In the current study, we demonstrated that pancreatic islet microvascular vasomotion of spontaneously hypertensive rats (SHRs) lost the ability to regulate blood flow perfusion and exhibited a lower microvascular blood perfusion pattern which was negative correlated with blood glucose level. SHRs administrated with insulin revealed an improvement of pancreatic islet microvascular vasomotion and blood perfusion pattern...
December 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212172/safflor-yellow-b-reduces-hypoxia-mediated-vasoconstriction-by-regulating-endothelial-micro-ribonucleic-acid-nitric-oxide-synthase-signaling
#8
Chaoyun Wang, Ying Yang, Miao Li, Xin Liu, Qiaoyun Wang, Wenyu Xin, Hongliu Sun, Qingyin Zheng
Hypoxia-induced generation of vasoconstrictors reduces cerebral blood flow (CBF) while nitric oxide (NO) synthase (NOS) and microRNAs (miRNA) in endothelial cells (ECs) suppress vasoconstriction. Safflor yellow B (SYB), a natural plant compound, previously attenuated angiotensin II-mediated injury of ECs and maintained endothelial function. This study investigated the putative involvement of NOS and miRNAs in SYB-mediated resistance to hypoxia-induced vasoconstriction. In vivo, chronic hypoxia was induced in rats, and SYB was administered intravenously...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29209740/early-deficits-in-insulin-secretion-beta-cell-mass-and-islet-blood-perfusion-precede-onset-of-autoimmune-type-1-diabetes-in-biobreeding-rats
#9
Anya Medina, Saba Parween, Sara Ullsten, Neelanjan Vishnu, Yuk Ting Siu, My Quach, Hedvig Bennet, Alexander Balhuizen, Lina Åkesson, Nils Wierup, Per Ola Carlsson, Ulf Ahlgren, Åke Lernmark, Malin Fex
AIMS/HYPOTHESIS: Genetic studies show coupling of genes affecting beta cell function to type 1 diabetes, but hitherto no studies on whether beta cell dysfunction could precede insulitis and clinical onset of type 1 diabetes are available. METHODS: We used 40-day-old BioBreeding (BB) DRLyp/Lyp rats (a model of spontaneous autoimmune type 1 diabetes) and diabetes-resistant DRLyp/+ and DR+/+ littermates (controls) to investigate beta cell function in vivo, and insulin and glucagon secretion in vitro...
December 6, 2017: Diabetologia
https://www.readbyqxmd.com/read/29209277/exenatide-improves-bone-quality-in-a-murine-model-of-genetically-inherited-type-2-diabetes-mellitus
#10
Marie Pereira, Stephanie Gohin, Jean-Paul Roux, Amy Fisher, Mark E Cleasby, Guillaume Mabilleau, Chantal Chenu
Type 2 diabetes mellitus (T2DM) is associated with skeletal complications, including an increased risk of fractures. Reduced blood supply and bone strength may contribute to this skeletal fragility. We hypothesized that long-term administration of Exenatide, a glucagon-like peptide-1 receptor agonist, would improve bone architecture and strength of T2DM mice by increasing blood flow to bone, thereby stimulating bone formation. In this study, we used a model of obesity and severe T2DM, the leptin receptor-deficient db/db mouse to assess alterations in bone quality and hindlimb blood flow and to examine the beneficial effects of 4 weeks administration of Exenatide...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29202856/sulfosuccinimidyl-oleate-sodium-is-neuroprotective-and-alleviates-stroke-induced-neuroinflammation
#11
Hiramani Dhungana, Mikko T Huuskonen, Merja Jaronen, Sighild Lemarchant, Humair Ali, Velta Keksa-Goldsteine, Gundars Goldsteins, Katja M Kanninen, Jari Koistinaho, Tarja Malm
BACKGROUND: Ischemic stroke is one of the main causes of death and disability worldwide. It is caused by the cessation of cerebral blood flow resulting in the insufficient delivery of glucose and oxygen to the neural tissue. The inflammatory response initiated by ischemic stroke in order to restore tissue homeostasis in the acute phase of stroke contributes to delayed brain damage. METHODS: By using in vitro models of neuroinflammation and in vivo model of permanent middle cerebral artery occlusion, we demonstrate the neuroprotective and anti-inflammatory effects of sulfosuccinimidyl oleate sodium (SSO)...
December 4, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29195999/the-effect-of-raisins-on-biomarkers-of-endothelial-function-and-oxidant-damage-an-open-label-and-randomized-controlled-intervention
#12
Panagiotis T Kanellos, Andriana C Kaliora, Athanasios D Protogerou, Nikolaos Tentolouris, Despina N Perrea, Vaios T Karathanos
Based on the existing data in grapes and wine, the aim of the present study was to investigate the probability that raisins improve clinical features and markers of oxidative stress, inflammation and arterial function in healthy smokers. Thirty-six apparently healthy smokers were recruited to an open-label and randomized, controlled, 4-week prospective intervention. All participants were reported to consume less than the recommended amount of five servings fruits and vegetables daily. Participants in the intervention were instructed to consume raisins equal to five fruit servings (90g/d)...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29195110/brachial-artery-diameter-as-a-marker-for-cardiovascular-risk-assessment-fmd-j-study
#13
Tatsuya Maruhashi, Junko Soga, Noritaka Fujimura, Naomi Idei, Shinsuke Mikami, Yumiko Iwamoto, Akimichi Iwamoto, Masato Kajikawa, Takeshi Matsumoto, Nozomu Oda, Shinji Kishimoto, Shogo Matsui, Haruki Hashimoto, Yoshiki Aibara, Farina Mohamad Yusoff, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Kensuke Noma, Ayumu Nakashima, Chikara Goto, Hirofumi Tomiyama, Bonpei Takase, Takahide Kohro, Toru Suzuki, Tomoko Ishizu, Shinichiro Ueda, Tsutomu Yamazaki, Tomoo Furumoto, Kazuomi Kario, Teruo Inoue, Shinji Koba, Kentaro Watanabe, Yasuhiko Takemoto, Takuzo Hano, Masataka Sata, Yutaka Ishibashi, Koichi Node, Koji Maemura, Yusuke Ohya, Taiji Furukawa, Hiroshi Ito, Hisao Ikeda, Akira Yamashina, Yukihito Higashi
BACKGROUND AND AIMS: Baseline brachial artery (BBA) diameter has been reported to be a potential confounding factor of flow-mediated vasodilation (FMD). The purpose of this study was to evaluate the relationships between BBA diameter and cardiovascular risk factors and compare the diagnostic accuracy of BBA diameter in subjects without cardiovascular risk factors and patients with cardiovascular disease (CVD) with that of FMD. METHODS: We measured BBA diameter and FMD in 5695 male subjects...
November 22, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29193444/morin-exerts-neuroprotection-via-attenuation-of-ros-induced-oxidative-damage-and-neuroinflammation-in-experimental-diabetic-neuropathy
#14
Pragna Bachewal, Chayanika Gundu, Veera Ganesh Yerra, Anil Kumar Kalvala, Aparna Areti, Ashutosh Kumar
Morin, a bioflavonoid with diverse pharmacological effects against various diseases; in most cases morin protective effects were attributed to its detoxifying effect against reactive oxygen species (ROS). Diabetic neuropathy (DN) is a chronic, debilitating neuronal pain associated with intense generation of free radicals and proinflammatory cytokine accumulation in peripheral neurons. We investigated the pharmacological effect of morin against metabolic excess mediated mitochondrial ROS generation and corresponding effect on Nrf2, NF-κB pathways in Streptozotocin (STZ)-induced diabetic rats and in high glucose insulted Mouse neuroblastoma cell line, Neuro 2A (N2A)...
November 28, 2017: BioFactors
https://www.readbyqxmd.com/read/29190761/acute-glucoregulatory-and-vascular-outcomes-of-three-strategies-for-interrupting-prolonged-sitting-time-in-postmenopausal-women-a-pilot-laboratory-based-randomized-controlled-4-condition-4-period-crossover-trial
#15
Jacqueline Kerr, Katie Crist, Daniela G Vital, Lindsay Dillon, Sabrina A Aden, Minaxi Trivedi, Luis R Castellanos, Suneeta Godbole, Hongying Li, Matthew A Allison, Galina L Khemlina, Michelle L Takemoto, Simon Schenk, James F Sallis, Megan Grace, David W Dunstan, Loki Natarajan, Andrea Z LaCroix, Dorothy D Sears
BACKGROUND: Prolonged sitting is associated with cardiometabolic and vascular disease. Despite emerging evidence regarding the acute health benefits of interrupting prolonged sitting time, the effectiveness of different modalities in older adults (who sit the most) is unclear. METHODS: In preparation for a future randomized controlled trial, we enrolled 10 sedentary, overweight or obese, postmenopausal women (mean age 66 years ±9; mean body mass index 30.6 kg/m2 ±4...
2017: PloS One
https://www.readbyqxmd.com/read/29188338/effects-of-hypoglycaemia-on-working-memory-and-regional-cerebral-blood-flow-in-type-1-diabetes-a-randomised-crossover-trial
#16
Michael Gejl, Albert Gjedde, Birgitte Brock, Arne Møller, Eelco van Duinkerken, Hanne L Haahr, Charlotte T Hansen, Pei-Ling Chu, Kirstine L Stender-Petersen, Jørgen Rungby
AIMS/HYPOTHESIS: The aim of this randomised, crossover trial was to compare cognitive functioning and associated brain activation patterns during hypoglycaemia (plasma glucose [PG] just below 3.1 mmol/l) and euglycaemia in individuals with type 1 diabetes mellitus. METHODS: In this patient-blinded, crossover study, 26 participants with type 1 diabetes mellitus attended two randomised experimental visits: one hypoglycaemic clamp (PG 2.8 ± 0.2 mmol/l, approximate duration 55 min) and one euglycaemic clamp (PG 5...
November 29, 2017: Diabetologia
https://www.readbyqxmd.com/read/29187294/nutrient-uptake-of-the-uterus-during-the-last-third-of-pregnancy-in-sows-effects-of-litter-size-gestation-stage-and-maternal-glycemia
#17
Marie-Christine Père, Michel Etienne
Effects of litter size, pregnancy stage, and glycemia level on uterine uptake of energetic nutrients were studied on multiparous sows left intact (CTR; n=6) or subjected to unilateral oviduct ligation (LIG; n=6). A jugular vein, a carotid artery, and the main vein draining one uterine horn were catheterized. A blood flow probe was fitted around the artery irrigating that horn. A meal test and two glucose infusion tests (1.15 or 2.30g glucose·(100kg BW)-1min-1) were performed at 79, 93, and 106 d of pregnancy...
November 21, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29186390/direct-activation-of-the-angiotensin-ii-type-2-receptors-enhances-muscle-microvascular-perfusion-oxygenation-and-insulin-delivery-in-male-rats
#18
Fei Yan, Zhaoshun Yuan, Nasui Wang, Robert M Carey, Kevin W Aylor, Li Chen, Xinmin Zhou, Zhenqi Liu
Angiotensin II receptors regulate muscle microvascular recruitment and the delivery of nutrients, oxygen and insulin to muscle. While the angiotensin type-1 receptor antagonism increases muscle microvascular perfusion and insulin action, angiotensin type-2 receptor blockade markedly restricts muscle microvascular blood volume and decreases muscle delivery of insulin. To examine the effects of direct type-2 receptor stimulation using Compound 21 (C21) on microvascular perfusion, insulin delivery and action, and tissue oxygenation in muscle, overnight fasted adult male rats were infused with C21 systemically...
November 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/29183928/viability-testing-and-transplantation-of-marginal-livers-vittal-using-normothermic-machine-perfusion-study-protocol-for-an-open-label-non-randomised-prospective-single-arm-trial
#19
Richard W Laing, Hynek Mergental, Christina Yap, Amanda Kirkham, Manpreet Whilku, Darren Barton, Stuart Curbishley, Yuri L Boteon, Desley A Neil, Stefan G Hübscher, M Thamara P R Perera, Paolo Muiesan, John Isaac, Keith J Roberts, Hentie Cilliers, Simon C Afford, Darius F Mirza
INTRODUCTION: The use of marginal or extended criteria donor livers is increasing. These organs carry a greater risk of initial dysfunction and early failure, as well as inferior long-term outcomes. As such, many are rejected due to a perceived risk of use and use varies widely between centres. Ex situ normothermic machine perfusion of the liver (NMP-L) may enable the safe transplantation of organs that meet defined objective criteria denoting their high-risk status and are currently being declined for use by all the UK transplant centres...
November 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/29178536/effects-of-an-energy-restricted-low-carbohydrate-high-unsaturated-fat-low-saturated-fat-diet-versus-a-high-carbohydrate-low-fat-diet-in-type-2-diabetes-a-2-year-randomized-clinical-trial
#20
Jeannie Tay, Campbell H Thompson, Natalie D Luscombe-Marsh, Thomas P Wycherley, Manny Noakes, Jonathan D Buckley, Gary A Wittert, William S Yancy, Grant D Brinkworth
AIM: To examine whether a low-carbohydrate, high unsaturated/low saturated fat diet (LC) improves glycemic control and cardiovascular disease (CVD) risk factors in overweight and obese patients with type 2 diabetes (T2D). METHODS: 115 adults with T2D (mean[SD]; BMI:34.6[4.3]kg/m2 , age:58[7]yrs, HbA1c:7.3[1.1]%) were randomized to one of two planned energy-matched, hypocaloric diets combined with aerobic/resistance exercise (1hr,3d/wk) for 2 years:(1) LC:14% energy as carbohydrate, 28% protein, 58% fat [<10% saturated fat]) or (2) low fat, high-carbohydrate, low glycemic index diet (HC):53% CHO, 17% protein, 30% fat [<10% saturated fat])...
November 27, 2017: Diabetes, Obesity & Metabolism
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