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https://www.readbyqxmd.com/read/29438473/in-uncontrolled-diabetes-hyperglucagonemia-and-ketosis-result-from-deficient-leptin-action-in-the-parabrachial-nucleus
#1
Thomas H Meek, Miles E Matsen, Chelsea L Faber, Colby L Samstag, Vincent Damian, Hong T Nguyen, Jarrad M Scarlett, Jonathan N Flak, Martin G Myers, Gregory J Morton
Growing evidence implicates neurons that project from the lateral parabrachial nucleus (LPBN) to the hypothalamic ventromedial nucleus (VMN) in a neurocircuit that drives counterregulatory responses to hypoglycemia, including increased glucagon secretion. Among LPBN neurons in this circuit is a subset that expresses cholecystokinin (LPBNCCK neurons) and is tonically inhibited by leptin. Since uncontrolled diabetes is associated with both leptin deficiency and hyperglucagonemia, and since intracerebroventricular (icv) leptin administration reverses both hyperglycemia and hyperglucagonemia in this setting, we hypothesized that deficient leptin inhibition of LPBNCCK neurons drives activation of this LPBN→VMN circuit and thereby results in hyperglucagonemia...
February 8, 2018: Endocrinology
https://www.readbyqxmd.com/read/29431405/hyperosmolar-hyperglycemic-state
#2
Gregg D Stoner
Hyperosmolar hyperglycemic state is a life-threatening emergency manifested by marked elevation of blood glucose and hyperosmolarity with little or no ketosis. Although there are multiple precipitating causes, underlying infections are the most common. Other causes include certain medications, nonadherence to therapy, undiagnosed diabetes mellitus, substance abuse, and coexisting disease. In children and adolescents, hyperosmolar hyperglycemic state is often present when type 2 diabetes is diagnosed. Physical findings include profound dehydration and neurologic symptoms ranging from lethargy to coma...
December 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/29424410/-diabetes-mellitus-caused-by-a-mutation-of-glucokinase-gene-report-of-an-affected-family
#3
Felipe Pollak C, Marcela Lagos L, José L Santos M, Helena Poggi, Abraham Urzúa C, Hana Rumié C
Maturity-Onset Diabetes of the Young (MODY) refers to a heterogeneous group of monogenic diabetes. Unlike other types of MODY characterized by genetic defects in transcription factors, MODY 2 is triggered by metabolic alterations caused by mutations of glucokinase (GCK), the first enzyme of the glycolytic pathway. We report a three-generation Chilean family with multiple cases affected with this disease. The index case is a patient who presented severe neonatal hyperglycemia (831 mg/dl, without ketosis) requiring continuous infusion of insulin, which was suspended after 48 hours with normalization of blood glucose...
September 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29417495/effectiveness-and-safety-of-a-novel-care-model-for-the-management-of-type-2-diabetes-at-1%C3%A2-year-an-open-label-non-randomized-controlled-study
#4
Sarah J Hallberg, Amy L McKenzie, Paul T Williams, Nasir H Bhanpuri, Anne L Peters, Wayne W Campbell, Tamara L Hazbun, Brittanie M Volk, James P McCarter, Stephen D Phinney, Jeff S Volek
INTRODUCTION: Carbohydrate restriction markedly improves glycemic control in patients with type 2 diabetes (T2D) but necessitates prompt medication changes. Therefore, we assessed the effectiveness and safety of a novel care model providing continuous remote care with medication management based on biometric feedback combined with the metabolic approach of nutritional ketosis for T2D management. METHODS: We conducted an open-label, non-randomized, controlled, before-and-after 1-year study of this continuous care intervention (CCI) and usual care (UC)...
February 7, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29392981/the-effects-of-energy-concentration-in-roughage-and-allowance-of-concentrates-on-performance-health-and-energy-efficiency-of-pluriparous-dairy-cows-during-early-lactation
#5
Rolf Schmitz, Karina Schnabel, Dirk von Soosten, Ulrich Meyer, Hubert Spiekers, Jürgen Rehage, Sven Dänicke
The aim of this study was to investigate the effects of different energy supplies from roughage and concentrates on performance, health and energy efficiency during early lactation. For this purpose an experiment was conducted containing 64 pluriparous German Holstein cows from 3 weeks prepartum until 16 weeks postpartum. During dry period all cows received an equal dry cow ration. After calving, cows were assigned in a 2 × 2 factorial arrangement to one of four groups, receiving either a moderate (MR, 6.0 MJ NE L ) or a high (HR, 6...
February 2, 2018: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/29390915/real-time-detection-of-infusion-site-failures-in-a-closed-loop-artificial-pancreas
#6
Daniel P Howsmon, Nihat Baysal, Bruce A Buckingham, Gregory P Forlenza, Trang T Ly, David M Maahs, Tatiana Marcal, Lindsey Towers, Eric Mauritzen, Sunil Deshpande, Lauren M Huyett, Jordan E Pinsker, Ravi Gondhalekar, Francis J Doyle, Eyal Dassau, Juergen Hahn, B Wayne Bequette
BACKGROUND: As evidence emerges that artificial pancreas systems improve clinical outcomes for patients with type 1 diabetes, the burden of this disease will hopefully begin to be alleviated for many patients and caregivers. However, reliance on automated insulin delivery potentially means patients will be slower to act when devices stop functioning appropriately. One such scenario involves an insulin infusion site failure, where the insulin that is recorded as delivered fails to affect the patient's glucose as expected...
January 1, 2018: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29374762/late-presentation-of-glycogen-storage-disease-types-ia-and-iii-in-children-with-short-stature-and-hepatomegaly
#7
David Quackenbush, Justin Devito, Luigi Garibaldi, Melissa Buryk
BACKGROUND: Glycogen storage diseases (GSDs) are a collection of disorders related to glycogen synthesis or degradation that classically present in infancy with hypoglycemia, failure to thrive and hepatomegaly; however, their phenotype can vary significantly. CASE PRESENTATION: We present the cases of two children, 5 years old and 3.5 years old, who were referred to endocrinology for short stature. They were ultimately found to have hepatomegaly, fasting hypoglycemia, mild elevation of transaminases and ketosis...
January 29, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29353266/twenty-seven-mutations-with-three-novel-pathologenic-variants-causing-biotinidase-deficiency-a-report-of-203-patients-from-the-southeastern-part-of-turkey
#8
Berna Seker Yilmaz, Neslihan Onenli Mungan, Deniz Kor, Derya Bulut, Gülşah Seydaoglu, Murat Öktem, Serdar Ceylaner
BACKGROUND: Biotinidase deficiency (BD) is an autosomal recessive inborn error of metabolism characterized by neurologic and cutaneous symptoms and can be detected by newborn screening. Newborn screening for BD was implemented in Turkey at the end of 2008. METHODS: In total, 203 patients who were identified among the infants detected by the newborn screening were later confirmed to have BD through measurement of serum biotinidase activity. We also performed BTD mutation analysis to characterize the genetic profile...
January 20, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29338584/effect-of-acute-ingestion-of-%C3%AE-hydroxybutyrate-salts-on-the-response-to-graded-exercise-in-trained-cyclists
#9
Mark Evans, Ella Patchett, Rickard Nally, Rachel Kearns, Matthew Larney, Brendan Egan
Acute ingestion of ketone salts induces nutritional ketosis by elevating β-hydroxybutyrate (βHB), but few studies have examined the metabolic effects of ingestion prior to exercise. Nineteen trained cyclists (12 male, 7 female) undertook graded exercise (8 min each at ∼30%, 40%, 50%, 60%, 70%, and 80% VO2peak) on a cycle ergometer on two occasions separated by either 7 or 14 days. Trials included ingestion of boluses of either (i) plain water (3.8 mL kg body mass-1) (CON) or (ii) βHB salts (0.38 g kg body mass-1) in plain water (3...
January 16, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29331464/somatic-cell-count-based-selection-reduces-susceptibility-to-energy-shortage-during-early-lactation-in-a-sheep-model
#10
J Bouvier-Muller, C Allain, F Enjalbert, Y Farizon, D Portes, G Foucras, R Rupp
During the transition from late gestation to early lactation ruminants experience a negative energy balance (NEB), which is considered to increase susceptibility to mammary infections. Our previous study in 2 divergent lines of sheep selected for high and low somatic cell score (SCS) suggested an association between the response to NEB and genetic susceptibility to mastitis. Forty-eight early-lactation primiparous dairy ewes from the 2 SCS genetic lines were allocated to 2 homogeneous subgroups-an NEB group, which was energy restricted and received 60% of the energy requirements for 15 d, and a control-fed group-to obtain 4 balanced groups of 12 ewes: high-SCS positive energy balance, low-SCS positive energy balance, high-SCS NEB, and low-SCS NEB...
January 10, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29321682/intermittent-metabolic-switching-neuroplasticity-and-brain-health
#11
REVIEW
Mark P Mattson, Keelin Moehl, Nathaniel Ghena, Maggie Schmaedick, Aiwu Cheng
During evolution, individuals whose brains and bodies functioned well in a fasted state were successful in acquiring food, enabling their survival and reproduction. With fasting and extended exercise, liver glycogen stores are depleted and ketones are produced from adipose-cell-derived fatty acids. This metabolic switch in cellular fuel source is accompanied by cellular and molecular adaptations of neural networks in the brain that enhance their functionality and bolster their resistance to stress, injury and disease...
January 11, 2018: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/29307147/internist-anesthesiologist-and-surgeon-use-of-ketogenic-diet
#12
Lorenzo Cenci, Antonio Paoli, Hesham R Omar, Prachiti Dalvi, Enrico M Camporesi, Devanand Mangar, Silvia Quartesan, Alberto Fiorito, Gerardo Bosco
Ketogenic diet is being increasingly utilized in recent decades because of its success as an effective tool for short and intermediate-term weight loss. Promoting physiological ketosis from a drastically low carbohydrate diet is the fundamental basis for this diet regime. Though debated, these diets have been demonstrated to be effective, at least in the short- to medium terms, to manage excess weight, hyperlipidemia, and other cardiovascular risk factors. We reviewed the cardiovascular, metabolic, anesthetic, and postsurgical profiles in the literature and summarized technical issues of anesthesia and surgery along with long-term changes from published papers...
March 2018: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/29306335/recurrent-hypoglycaemia-in-a-toddler-on-%C3%AE-blocker-therapy
#13
Véronique Pépin, Nancy Gagné, Diane Rottembourg
Hypoglycaemia is a well-known side effect of Propranolol. We described the case of a child presenting severe and recurrent Propranolol-induced hypoglycaemia. Those episodes were not related to prolonged fasting and were associated with only mild ketosis. Thus, therapy with β blockers may not only aggravate classical ketotic hypoglycaemia but also interfere with glucose metabolism.
January 8, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29248218/diagnostic-performance-of-cytology-for-assessment-of-hepatic-lipid-content-in-dairy-cattle
#14
M M Fry, B Yao, C Ríos, C Wong, S Mann, J A A McArt, D V Nydam, F A Leal Yepes, L Viesselmann, A Geick, K Goldin, A Jordan, E Behling-Kelly
The objective of our study was to characterize the diagnostic performance of cytology for assessing hepatic lipid content (HLC) in dairy cows by comparing microscopic evaluation of lipid vacuolation in touch imprint slide preparations of liver biopsies with quantitative measurement of triglyceride concentration ([TG]; mg/mg of wet weight) in paired biopsy samples. Our study also sought to compare the diagnostic performance of liver cytology, plasma nonesterified fatty acid concentration ([NEFA]), and plasma β-hydroxybutyrate concentration ([BHB]) derived from a measurement performed on whole blood, for assessing HLC...
December 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29248212/influence-of-conjugated-linoleic-acids-and-vitamin-e-on-biochemical-hematological-and-immunological-variables-of-dairy-cows-during-the-transition-period
#15
S Schäfers, D von Soosten, U Meyer, C Drong, J Frahm, A Tröscher, W Pelletier, H Sauerwein, S Dänicke
The objective of this experiment was to determine the effects of conjugated linoleic acid (CLA) and vitamin E as well as their interaction on biochemical and hematological variables and on leukocyte populations and their functionality. We assigned 59 German Holstein cows between the 2nd and 9th lactation to 4 dietary groups in a 2 × 2 factorial design with the factors CLA and vitamin E. Six weeks before calving the cows had a BCS of 3.7 to provoke a higher risk of developing ketosis, which might impair their immune function...
December 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29225978/coexistence-of-gh-producing-pituitary-macroadenoma-and-meningioma-in-a-patient-with-multiple-endocrine-neoplasia-type-1-with-hyperglycemia-and-ketosis-as-first-clinical-sign
#16
A Herrero-Ruiz, H S Villanueva-Alvarado, J J Corrales-Hernández, C Higueruela-Mínguez, J Feito-Pérez, J M Recio-Cordova
We present the clinical case of a patient who was admitted with an onset of diabetes mellitus (DM) with associated ketosis and whose clinical, hormonal, and radiological evolution revealed the presence of primary hyperparathyroidism, pancreatic neuroendocrine tumor, and GH-producing pituitary macroadenoma in the context of multiple endocrine neoplasia type 1 (MEN1). DM is relatively common in cases of acromegaly, but it is not generally associated with ketosis. Simultaneously, the patient presented a meningioma, which is associated with pituitary macroadenoma only in extremely rare cases...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/29224880/the-effect-of-different-treatments-for-early-lactation-hyperketonemia-on-liver-triglycerides-glycogen-and-expression-of-key-metabolic-enzymes-in-dairy-cattle
#17
S Mann, F A Leal Yepes, J J Wakshlag, E Behling-Kelly, J A A McArt
Despite the widespread use of treatments for postpartum hyperketonemia in dairy cows, there is currently a lack of evidence comparing their effects on both the resolution of hyperketonemia and the potential effects on the liver of affected animals. The objective of our work was to investigate the effect of commonly used hyperketonemia treatments on hepatic triglyceride and glycogen content as well as on the mRNA and protein abundance of key enzymes involved in gluconeogenesis, ketogenesis, and lipid metabolism...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29178045/considering-choline-as-methionine-precursor-lipoproteins-transporter-hepatic-promoter-and-antioxidant-agent-in-dairy-cows
#18
REVIEW
Imtiaz Hussain Raja Abbasi, Farzana Abbasi, Rab N Soomro, Mohamed E Abd El-Hack, Mervat A Abdel-Latif, Wen Li, Ren Hao, Feifei Sun, Bello M Bodinga, Khawar Hayat, Junhu Yao, Yangchun Cao
During the transition period, fatty liver syndrome may be caused in cows undergo negative energy balance, ketosis or hypocalcemia, retained placenta or mastitis problems. During the transition stage, movement of non-esterified fatty acids (NEFA) increases into blood which declines the hepatic metabolism or reproduction and consequently, lactation performance of dairy cows deteriorates. Most of studies documented that, choline is an essential nutrient which plays a key role to decrease fatty liver, NEFA proportion, improve synthesis of phosphatidylcholine, maintain lactation or physiological function and work as anti-oxidant in the transition period of dairy cows...
November 25, 2017: AMB Express
https://www.readbyqxmd.com/read/29175806/the-distribution-of-different-types-of-diabetes-in-childhood-a-single-center-experience
#19
Belma Haliloğlu, Saygın Abali, Fuat Buğrul, Enes Çelik, Serpil Baş, Zeynep Atay, Tülay Güran, Serap Turan, Abdullah Bereket
OBJECTIVE: Type 1 diabetes (T1D) is the most common cause of diabetes in childhood but type 2 diabetes (T2D) and maturity onset diabetes of the young (MODY) are emerging and noteworthy causes of diabetes in youths. The aim of the study is to determine the distribution, trends and clinical features of the different types of diabetes in childhood in a tertiary single-center. METHODS: Children and adolescents aged 0-18 years who were diagnosed "diabetes/persistent hyperglycemia" between January 1999 and December 2016, were reviewed...
November 24, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/29175121/elevated-unmethylated-and-methylated-insulin-dna-are-unique-markers-of-a-%C3%AE-ketosis-prone-diabetes
#20
Surya N Mulukutla, Sarah A Tersey, Christiane S Hampe, Raghavendra G Mirmira, Ashok Balasubramanyam
A+β+ ketosis prone diabetes (KPD) is associated with slowly progressive autoimmune beta cell destruction. Plasma unmethylated and methylated insulin DNA (biomarkers of ongoing beta cell damage and systemic inflammation, respectively) were elevated in A+β+ KPD compared to all other KPD subgroups.
October 31, 2017: Journal of Diabetes and its Complications
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