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reactive hypoglycemia

Dominika Labochka, Barbara Moszczuk, Wojciech Kukwa, Cezary Szczylik, Anna M Czarnecka
Renal cell carcinoma (RCC) comprises 2‑3% of all malignant tumors in adults. Many studies have established the key roles of smoking, hypertension and other components of metabolic syndrome in the occurrence of RCC. Diabetes mellitus (DM), one of the main consequences of metabolic syndrome, appears much more often in patients with RCC. The prognosis for patients suffering from both diabetes and RCC is worse than for those with kidney cancer only. Diabetes is linked to higher rate of recurrence and a greater number of distant metastases...
October 17, 2016: International Journal of Molecular Medicine
S Pauliina Markkula, David Lyons, Chen-Yu Yueh, Christine Riches, Paul Hurst, Barbara Fielding, Lora K Heisler, Mark L Evans
Specialized metabolic-sensors in the hypothalamus regulate blood glucose levels by influencing hepatic glucose output and hypoglycemic counter regulatory responses. Hypothalamic reactive oxygen species (ROS) may act as a metabolic signal mediating responses to changes in glucose, other substrates and hormones. The role of ROS in the brain's control of glucose homeostasis remains unclear. We hypothesized that hydrogen peroxide (H2O2), a relatively stable form of ROS, acts as a sensor of neuronal glucose consumption and availability and that lowering brain H2O2 with the enzyme catalase would lead to systemic responses increasing blood glucose...
October 14, 2016: Endocrinology
Xu Li, Feng Zhang, Haibing Chen, Haoyong Yu, Jian Zhou, Ming Li, Qing Li, Lianxi Li, Jun Yin, Fang Liu, Yuqian Bao, Junfeng Han, Weiping Jia
The 72-hour fast test is the current standard for the diagnosis of insulinoma. However, to conduct this test patients require hospitalization due to the chance of severe hypoglycemic episodes. Thus, it is costly and stressful for the patient. An out-patient test would serve the patient better and be more economical. Our aim was to evaluate the value of insulin to glucose and C-peptide to glucose ratios during a prolonged 5-hour oral glucose tolerance test (5-hour OGTT) in qualitative diagnosis of insulinoma, and to identify the optimal threshold for clinical screening...
October 1, 2016: Endocrine Journal
He Tai, Ming-Yue Wang, Yue-Ping Zhao, Ling-Bing Li, Qian-Yan Dong, Xin-Guang Liu, Jin-Song Kuang
BACKGROUND: To observe the effect of alogliptin combined with metformin on pulmonary function in obese patients with type 2 diabetes inadequately controlled by metformin monotherapy (500 mg, bid po, for at least 3 months), and evaluate its efficacy and safety. METHODS: After a 2-week screening period, adult patients (aged 36-72 years) entered a 4-week run-in/stabilization period. Then, patients were randomly assigned to either the intervention group (n = 55) or the control group (n = 50) for 26 weeks...
August 2016: Medicine (Baltimore)
W Eik, S S Marcon, T Krupek, I T S Previdelli, O C N Pereira, M A R C P Silva, R B Bazotte
We evaluated the impact of postprandial glycemia on blood levels of pro-inflammatory and anti-inflammatory cytokines during an oral glucose tolerance test in non-diabetic patients with symptoms suggesting reactive hypoglycemia. Eleven patients with clinical symptoms suggesting reactive hypoglycemia received an oral glucose solution (75 g) Blood was collected at 0 (baseline), 30, 60, 120 and 180 min after glucose ingestion and the plasma concentrations of interferon-α (IFN-α), interferon-γ (IFN-γ), interleukin-1 receptor antagonist (IL-1RA), interleukin 2 (IL-2), interleukin-2 receptor (IL-2R), interleukin 4 (IL-4), interleukin 6 (IL-6), interleukin 8 (IL-8), interleukin 10 (IL-10), interleukin-12 (IL-12), interleukin 13 (IL-13), interleukin 15 (IL-15), interleukin 17 (IL-17), IFN-γ inducible protein 10 (IP-10), monocyte chemotactic protein 1 (MCP1), monokine induced by IFN-γ (MIG), macrophage inflammatory protein-1α (MIP-1α), interleukin-1β (IL-1β), colony stimulating factor (G-CSF), granulocyte-macrophage CSF (GM-CSF), basic fibroblast growth factor (FGF-basic), eotaxin, tumor necrosis factor α (TNFα), epidermal growth factor (EGF), hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF), macrophage inflammatory protein-1α (MIP-1α), and 1β (MIP-1β) were evaluated...
July 11, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Ana Cláudia Munhoz, Patrícia Riva, Daniel Simões, Rui Curi, Angelo Rafael Carpinelli
Mitochondria and NADPH oxidase are important sources of reactive oxygen species in particular the superoxide radical (ROS) in pancreatic islets. These molecules derived from molecular oxygen are involved in pancreatic β-cells signaling and control of insulin secretion. We examined the involvement of ROS produced through NADPH oxidase in the leucine- and/or glucose-induced insulin secretion by pancreatic islets from fed or 48-hour fasted rats. Glucose-stimulated insulin secretion (GSIS) in isolated islets was evaluated at low (2...
2016: PloS One
J H van der Kolk, N Fouché, J J Gross, V Gerber, R M Bruckmaier
In this review, we address the function of the hypothalamus-pituitary-adrenocortical (HPA) axis with special emphasis on the comparison between the bovine and equine species. The pars intermedia of the pituitary gland is particularly well developed in horses and cattle. However, its function is not well appreciated in cattle yet. The Wulzen's cone of the adenohypophysis is a special feature of ruminants. Total basal cortisol concentration is much higher in horses than that in cows with similar free cortisol fractions...
July 2016: Domestic Animal Endocrinology
Soichi Takeishi, Akihiro Mori, Hiroki Hachiya, Takayuki Yumura, Shun Ito, Takashi Shibuya, Shintaro Hayashi, Nobutoshi Fushimi, Noritsugu Ohashi, Hiromi Kawai
AIMS/INTRODUCTION: We aimed to identify factors - glycemic control, reactive inflammatory biomarkers or vital signs - associated with mortality in diabetic patients admitted to hospital for various infections (non-intensive care unit). MATERIALS AND METHODS: We retrospectively analyzed the cases of 620 diabetic patients admitted to hospital for various infections (non-intensive care unit) who underwent glucose monitoring >3 times per day. We extracted data regarding reactive inflammatory biomarkers and vital signs recorded on day 1 of hospital stay, and data on bacteremia and hypoglycemia status, glycemic variability (GV; coefficient of variation and standard deviation) and mean glucose concentrations during the entire hospital stay...
May 2016: Journal of Diabetes Investigation
Juntang Shao, Jennica L Zaro, Wei-Chiang Shen
An ideal basal insulin (INS) replacement therapy requires the distribution or action of exogenous INS to more closely mimic physiological INS in terms of its preferential hepatic action. In this paper, we introduce a novel strategy to exert liver-specific INS action by hepatic activation of INS's precursor, proinsulin (ProINS). We demonstrated the conversion of human ProINS-transferrin (Tf) fusion protein, ProINS-Tf, into an active and immuno-reactive form of INS-Tf in the liver via the slow Tf receptor mediated recycling pathway...
August 1, 2016: Molecular Pharmaceutics
Sujan Maity, Koel Mukherjee, Amrita Banerjee, Suman Mukherjee, Dipak Dasgupta, Suvroma Gupta
Combating Type-2 diabetes mellitus is a pivotal challenge in front of the present world. Several lines of therapy are in practice for resisting this deadly disease which often culminates with cardiovascular complexities, neuropathy and retinopathy. Among various therapies, administration of alpha glucosidase inhibitors is common and widely practiced. Sulfonylurea category of anti diabetic drug often suffers from cross reactivity with sulfamethoxazole (SMX), a common drug in use to treat a handful of microbial infections...
June 2016: Protein Journal
Sachie Hirose, Yasuyuki Iwahashi, Akane Seo, Michitaka Sumiyoshi, Tetsuya Takahashi, Yoshikazu Tamori
Reactive hypoglycemia induced by late dumping syndrome is often observed after gastrectomy. However, no effective therapy has yet been fully established. We herein describe a case in which concurrent therapy with a low-carbohydrate diet using low-glycemic-index food and an alpha-glucosidase inhibitor, miglitol, very effectively ameliorated the postprandial fluctuations in the blood glucose and plasma insulin levels in a patient with reactive hypoglycemia due to late dumping syndrome following total gastrectomy...
2016: Internal Medicine
Carsten Dirksen, Aleksander Eiken, Kirstine N Bojsen-Møller, Maria S Svane, Christoffer Martinussen, Nils B Jørgensen, Jens J Holst, Sten Madsbad
Postprandial hyperinsulinemia characterizes Roux-en-Y gastric bypass (RYGB) and sometimes leads to reactive hypoglycemia. We prospectively evaluated changes in beta cell function in seven RYGB-operated patients with a median follow-up of 2.9 years with hyperglycemic clamps and oral glucose tolerance tests (OGTTs). Three years after RYGB, weight loss was 26 % and insulin sensitivity had improved. Insulin secretion during clamp experiments was largely unchanged compared to before surgery. In contrast, insulin secretion in response to the OGTTs doubled when evaluated by the disposition index and 2-h plasma glucose declined to a mean of 3...
September 2016: Obesity Surgery
T Joshi, A Caswell, S Acharya
BACKGROUND: Insulin assays are designed to detect endogenous insulin, but insulin assays produced by different manufacturers may detect exogenous recombinant insulin, with varying degrees of cross-reactivity between different assays. We report a fascinating and difficult case of recurrent hypoglycaemia, where the final diagnosis was established with the help of insulin assays using different platforms.' CASE REPORT: A 24-year-old female presented with recurrent hypoglycaemic episodes on a background of Type 1 diabetes mellitus and a completely resected synovial sarcoma of the right hip several years previously...
May 2, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Florence Roucher-Boulez, Delphine Mallet-Motak, Dinane Samara-Boustani, Houweyda Jilani, Asmahane Ladjouze, Pierre-François Souchon, Dominique Simon, Sylvie Nivot, Claudine Heinrichs, Maryline Ronze, Xavier Bertagna, Laure Groisne, Bruno Leheup, Catherine Naud-Saudreau, Gilles Blondin, Christine Lefevre, Laetitia Lemarchand, Yves Morel
OBJECTIVE: Nicotinamide nucleotide transhydrogenase (NNT), one of the several genes recently discovered in familial glucocorticoid deficiencies (FGD), is involved in reactive oxygen species detoxification, suggesting that extra-adrenal manifestations may occur, due to the sensitivity to oxidative stress of other organs rich in mitochondria. Here, we sought to identify NNT mutations in a large cohort of patients with primary congenital adrenal insufficiency without molecular etiology and evaluate the degree of adrenal insufficiency and onset of extra-adrenal damages...
July 2016: European Journal of Endocrinology
Kunihiro Suzuki, Daisuke Katsura, Masaaki Sagara, Chie Aoki, Mai Nishida, Yoshimasa Aso
We encountered a 62-year-old woman who experienced frequent episodes of hypoglycemia. She was diagnosed with postprandial reactive hypoglycemia according to the results of oral glucose and sucrose tolerance tests, having undergone an endocrinological examination and image inspection. The administration of low-dose voglibose, an alpha-glucosidase inhibitor (α-GI), improved the glucose fluctuations and inhibited hypoglycemic symptoms. Voglibose is also known to diminish oxidative stress and maintain endothelial function after hyperglycemia...
2016: Internal Medicine
Chin Hong Lim, Cyrus Jahansouz, Anasooya A Abraham, Daniel B Leslie, Sayeed Ikramuddin
Archaic surgical procedures such as the jejunoileal bypass, vertical banded gastroplasty and duodenal switch have contributed to the current best practice of Roux-en-Y gastric bypass (RYGB) procedure for the treatment of obesity and its consequences. Despite this, RYGB has been blighted with late occurring adverse events such as severe malnutrition, marginal ulcer and reactive hypoglycemia. Despite this, RYGB has given us an opportunity to examine the effect of surgery on gut hormones and the impact on metabolic syndrome which in turn has allowed us to carry out a lower impact but equally, if not more effective, procedure - the vertical sleeve gastrectomy (VSG)...
July 2016: Expert Review of Gastroenterology & Hepatology
Hanne Mumm, Magda Lambaa Altinok, Jan Erik Henriksen, Pernille Ravn, Dorte Glintborg, Marianne Andersen
STUDY QUESTION: What is the prevalence of reactive hypoglycemia (RH) in polycystic ovary syndrome (PCOS) versus age- and body mass index (BMI)-matched healthy controls. SUMMARY ANSWER: The prevalence of RH was increased in PCOS versus controls. WHAT IS KNOWN ALREADY: Previous studies suggested an increased prevalence of RH in PCOS. STUDY DESIGN, SIZE, DURATION: Cross-sectional study of 88 women with PCOS and 34 healthy age- and BMI-matched controls...
May 2016: Human Reproduction
Linda A Gonder-Frederick, Jesse H Grabman, Boris Kovatchev, Sue A Brown, Stephen Patek, Ananda Basu, Jordan E Pinsker, Yogish C Kudva, Christian A Wakeman, Eyal Dassau, Claudio Cobelli, Howard C Zisser, Francis J Doyle
BACKGROUND: The relationship between daily psychological stress and BG fluctuations in type 1 diabetes (T1DM) is unclear. More research is needed to determine if stress-related BG changes should be considered in glucose control algorithms. This study in the usual free-living environment examined relationships among routine daily stressors and BG profile measures generated from CGM readings. METHODS: A total of 33 participants with T1DM on insulin pumps wore a CGM device for 1 week and recorded daily ratings of psychological stress, carbohydrates, and insulin boluses...
May 2016: Journal of Diabetes Science and Technology
Leelavathy Kandaswamy, Rajeev Raghavan, Joseph M Pappachan
Spontaneous hypoglycemia is a puzzling clinical problem and an important reason for referral to endocrinologists. Several clinical conditions such as insulinomas, non-insulinoma pancreatogenous hypoglycemia syndrome, insulin autoimmune syndrome, postprandial hypoglycemia (reactive hypoglycemia), non-islet cell tumor hypoglycemia, primary adrenal insufficiency, hypopituitarism, and critical illness can be associated with spontaneous hypoglycemia. Rarely, in patients with mental health issues, factious hypoglycemia from extrinsic insulin use or ingestion of oral hypoglycemic agents can obfuscate the clinical picture for clinicians trying to identify an organic cause...
July 2016: Endocrine
Kirstine J Bell, Robyn Gray, Diane Munns, Peter Petocz, Garry Steil, Gabrielle Howard, Stephen Colagiuri, Jennie C Brand-Miller
BACKGROUND: The Food Insulin Index (FII) is a novel algorithm for ranking foods based on their insulin demand relative to an isoenergetic reference food. We compared the effect of carbohydrate counting (CC) versus the FII algorithm for estimating insulin dosage on glycemic control in type 1 diabetes. MATERIALS AND METHODS: In a randomized, controlled trial, adults (n = 26) using insulin pump therapy were assigned to using either traditional CC or the novel Food Insulin Demand (FID) counting for 12 weeks...
April 2016: Diabetes Technology & Therapeutics
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