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Letícia Pereira de Brito Sampaio
The ketogenic diet (KD), a high-fat, low-carbohydrate, and adequate-protein diet is an established, effective nonpharmacologic treatment option for intractable childhood epilepsy. The KD was developed in 1921 and even though it has been increasingly used worldwide in the past decade, many neurologists are not familiar with this therapeutic approach. In the past few years, alternative and more flexible KD variants have been developed to make the treatment easier and more palatable while reducing side effects and making it available to larger group of refractory epilepsy patients...
October 2016: Arquivos de Neuro-psiquiatria
Husam R Kayyali, Anastasia Luniova, Ahmed Abdelmoity
Background. Approximately, one-third of patients with epilepsy are refractory to pharmacological treatment which mandates extensive medical care and imposes significant economic burden on patients and their societies. This study intends to assess the impact of the treatment with ketogenic diet (KD) on reducing seizure-related emergency room visits and hospitalizations in children with refractory epilepsy. Methods. This is a retrospective review of children treated with the KD in one tertiary center. We compared a 12 months' period prior to KD with 12 months after the diet was started in regard to the number of emergency department (ED) visits, hospitalizations, and hospital days as well as their associated charges...
2016: Epilepsy Research and Treatment
Ikuko Kato, Gregory Dyson, Michael Snyder, Hyeong-Reh Kim, Richard K Severson
OBJECTIVE: The objective of this study was to investigate whether cancer specific survival in rectal cancer patients is affected by patient-related factors, conditional on radiation treatment. METHODS: 359 invasive rectal cancer patients who consented and provided questionnaire data for a population-based case-control study of colorectal cancer in Metropolitan Detroit were included in this study. Their vital status was ascertained through to the population-based cancer registry...
September 2016: Journal of Radiation Oncology
Krisztina Marosi, Sang Woo Kim, Keelin Moehl, Morten Scheibye-Knudsen, Aiwu Cheng, Roy Cutler, Simonetta Camandola, Mark P Mattson
During fasting and vigorous exercise, a shift of brain cell energy substrate utilization from glucose to the ketone 3-hydroxybutyrate (3OHB) occurs. Studies have shown that 3OHB can protect neurons against excitotoxicity and oxidative stress, but the underlying mechanisms are unclear. Neurons maintained in the presence of 3OHB exhibited increased oxygen consumption and ATP production, and an elevated NAD+/NADH ratio. We found that 3OHB metabolism increases mitochondrial respiration which drives changes in expression of brain derived neurotrophic factor (BDNF) in cultured cerebral cortical neurons...
October 14, 2016: Journal of Neurochemistry
Nicola Forte, Lucian Medrihan, Beatrice Cappetti, Pietro Baldelli, Fabio Benfenati
OBJECTIVE: The inhibition of glycolysis exerts potent antiseizure effects, as demonstrated by the efficacy of ketogenic and low-glucose/nonketogenic diets in the treatment of drug-resistant epilepsy. ATP-sensitive potassium (KATP ) channels have been initially identified as the main determinant of the reduction of neuronal hyperexcitability. However, a plethora of other mechanisms have been proposed. Herein, we report the ability of 2-deoxy-d-glucose (2-DG), a glucose analog that inhibits glycolytic enzymes, of potentiating γ-aminobutyric acid (GABA)ergic tonic inhibition via neurosteroid-mediated activation of extrasynaptic GABAA receptors...
October 13, 2016: Epilepsia
Sanjay Kalra, Arpit Jain, Jignesh Ved, A G Unnikrishnan
This review discusses two distinct, yet related, mechanisms of sodium-glucose cotransporter 2 (SGLT2) inhibition: Calorie restriction mimicry (CRM) and pro-ketogenic effect, which may explain their cardiovascular benefits. We term these adaptive CRM and pro-ketogenic effects of SGLT2 inhibition, the Robin Hood hypothesis. In English history, Robin Hood was a "good person," who stole from the rich and helped the poor. He supported redistribution of resources as he deemed fit for the common good. In a similar fashion, SGLT2 inhibition provides respite to the overloaded glucose metabolism while utilizing lipid stores for energy production...
September 2016: Indian Journal of Endocrinology and Metabolism
Sanjay Kalra, A G Unnikrishnan, Yashdeep Gupta
No abstract text is available yet for this article.
September 2016: Indian Journal of Endocrinology and Metabolism
Patricia Azevedo de Lima, Mariana Baldini Prudêncio, Daniela Kawamoto Murakami, Leticia Pereira de Brito Sampaio, Antônio Martins Figueiredo Neto, Nágila Raquel Teixeira Damasceno
OBJECTIVE: The aim of this study was to evaluate the effects of the classic ketogenic diet (KD) on low-density lipoprotein (LDL) and high-density lipoprotein (HDL) subfractions in children and adolescents with refractory epilepsy. METHODS: This prospective study recruited children and adolescents of either sex, whose epilepsy was refractory to treatment with multiple drugs. To be included, the patient had to have an indication for treatment with the KD and be treated as an outpatient...
July 26, 2016: Nutrition
Sarah Aminoff Kelley, Eric Heath Kossoff
Electrical status epilepticus of sleep (ESES), with the activation of profuse amounts of epileptiform discharges in sleep, may lead to intractable epilepsy and neurocognitive decline in children. Numerous varied treatments including antiseizure medications, steroids, and surgery have been investigated as possible treatment options. The ketogenic diet (KD) is an additional treatment option which may add to our treatment armamentarium for ESES. The KD may theoretically improve ESES by affecting GABA systems and reducing inflammation...
September 23, 2016: Epilepsy Research
Vincent T Martin, Brinder Vij
BACKGROUND: Comprehensive diets do not require the exclusion of a specific provocative food or ingredient, but regulate the quantities of core components of foods such as vitamins, ions, proteins, carbohydrates, and fats. OBJECTIVES: To review the evidence supporting the use of comprehensive diets in the prevention of migraine and other headache disorders and to discuss the mechanisms through which food, and ingredients within foods and beverages might trigger attacks of headache METHODS: This represents Part 2 of a narrative review of the role of diet in the prevention of migraine and other headache disorders...
October 2016: Headache
Samantha M Solon-Biet, Victoria C Cogger, Tamara Pulpitel, Marika Heblinski, Devin Wahl, Aisling C McMahon, Alessandra Warren, Jessica Durrant-Whyte, Kirsty A Walters, James R Krycer, Fleur Ponton, Rahul Gokarn, Jibran A Wali, Kari Ruohonen, Arthur D Conigrave, David E James, David Raubenheimer, Christopher D Morrison, David G Le Couteur, Stephen J Simpson
Fibroblast growth factor 21 (FGF21) is the first known endocrine signal activated by protein restriction. Although FGF21 is robustly elevated in low-protein environments, increased FGF21 is also seen in various other contexts such as fasting, overfeeding, ketogenic diets, and high-carbohydrate diets, leaving its nutritional context and physiological role unresolved and controversial. Here, we use the Geometric Framework, a nutritional modeling platform, to help reconcile these apparently conflicting findings in mice confined to one of 25 diets that varied in protein, carbohydrate, and fat content...
October 11, 2016: Cell Metabolism
Ryan M Clanton, Guoyao Wu, Gamal Akabani, Rodolfo Aramayo
Epilepsy is too complex to be considered as a disease; it is more of a syndrome, characterized by seizures, which can be caused by a diverse array of afflictions. As such, drug interventions that target a single biological pathway will only help the specific individuals where that drug's mechanism of action is relevant to their disorder. Most likely, this will not alleviate all forms of epilepsy nor the potential biological pathways causing the seizures, such as glucose/amino acid transport, mitochondrial dysfunction, or neuronal myelination...
September 28, 2016: Amino Acids
Takayuki Hatori, Yohei Sugiyama, Shinichiro Yamashita, Yuka Hirakubo, Kazuhito Nonaka, Ko Ichihashi
In a patient with cardiofaciocutaneous syndrome complicated by intractable infantile spasms (West syndrome), cardiac hypertrophy developed during adrenocorticotropic hormone treatment. Various types of antiepileptic drugs, intravenous immunoglobulin, thyrotropin releasing hormone, and a ketogenic diet were ineffective in this case. However, vigabatrin both decreased clinical seizures and improved electroencephalogram findings. Although vigabatrin has not been approved for use in Japan, the results in the present case suggest that this drug should be considered as an alternative therapy for cases of infantile spasms associated with syndromes involving cardiomyopathy or its potential risk factors, such as cardiofaciocutaneous syndrome...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yo-Han Kim, Noriyuki Touji, Keiichiro Kizaki, Shiro Kushibiki, Toshihiro Ichijo, Shigeru Sato
We investigated the relationship between ruminal pH and transcriptomic adaptation of the rumen epithelium (RE) of calves fed calf starter with and without forage during the weaning transition. Holstein calves were assigned to groups fed calf starter either with forage (HAY group, n = 3) or without forage (CON group, n = 4). Ruminal pH was measured continuously, and rumen fluid and epithelium were collected 3 weeks after weaning. mRNA expression profiles of the RE were examined by one-color microarray. Differentially expressed genes (DEGs) were investigated using the ingenuity pathway analysis (IPA)...
September 23, 2016: Physiological Genomics
Sofia Ahola, Mari Auranen, Pirjo Isohanni, Satu Niemisalo, Niina Urho, Jana Buzkova, Vidya Velagapudi, Nina Lundbom, Antti Hakkarainen, Tiina Muurinen, Päivi Piirilä, Kirsi H Pietiläinen, Anu Suomalainen
Mitochondrial myopathy (MM) with progressive external ophthalmoplegia (PEO) is a common manifestation of mitochondrial disease in adulthood, for which there is no curative therapy. In mice with MM, ketogenic diet significantly delayed progression of the disease. We asked in this pilot study what effects high-fat, low-carbohydrate "modified Atkins" diet (mAD) had for PEO/MM patients and control subjects and followed up the effects by clinical, morphological, transcriptomic, and metabolomic analyses. All of our five patients, irrespective of genotype, showed a subacute response after 1...
September 19, 2016: EMBO Molecular Medicine
Iwona Zarnowska, Jarogniew J Luszczki, Tomasz Zarnowski, Piotr Wlaz, Stanislaw J Czuczwar, Maciej Gasior
Among non-pharmacological treatments, the ketogenic diet (KD) has the strongest demonstrated evidence of clinical success in drug resistant epilepsy. In an attempt to model the anticonvulsant effects of the KD pre-clinically, the present study assessed the effects of the KD against electroshock-induced convulsions in mice. After confirming that exposure to the KD for 2 weeks resulted in stable ketosis and hypoglycemia, mice were exposed to electroshocks of various intensities to establish general seizure susceptibility...
September 20, 2016: Metabolic Brain Disease
A Goday, D Bellido, I Sajoux, A B Crujeiras, B Burguera, P P García-Luna, A Oleaga, B Moreno, F F Casanueva
UNLABELLED: Brackground:The safety and tolerability of very low-calorie-ketogenic (VLCK) diets are a current concern in the treatment of obese type 2 diabetes mellitus (T2DM) patients. OBJECTIVE: Evaluating the short-term safety and tolerability of a VLCK diet (<50 g of carbohydrate daily) in an interventional weight loss program including lifestyle and behavioral modification support (Diaprokal Method) in subjects with T2DM. METHODS: Eighty-nine men and women, aged between 30 and 65 years, with T2DM and body mass index between 30 and 35 kg m(-)(2) participated in this prospective, open-label, multi-centric randomized clinical trial with a duration of 4 months...
2016: Nutrition & Diabetes
Knut H Lauritzen, Md Mahdi Hasan-Olive, Christine E Regnell, Liv Kleppa, Morten Scheibye-Knudsen, Albert Gjedde, Arne Klungland, Vilhelm A Bohr, Jon Storm-Mathisen, Linda H Bergersen
Mitochondrial genome maintenance plays a central role in preserving brain health. We previously demonstrated accumulation of mitochondrial DNA damage and severe neurodegeneration in transgenic mice inducibly expressing a mutated mitochondrial DNA repair enzyme (mutUNG1) selectively in forebrain neurons. Here, we examine whether severe neurodegeneration in mutUNG1-expressing mice could be rescued by feeding the mice a ketogenic diet, which is known to have beneficial effects in several neurological disorders...
August 18, 2016: Neurobiology of Aging
Alexandre Courchesne-Loyer, Etienne Croteau, Christian-Alexandre Castellano, Valérie St-Pierre, Marie Hennebelle, Stephen C Cunnane
Ketones (principally β-hydroxybutyrate and acetoacetate (AcAc)) are an important alternative fuel to glucose for the human brain, but their utilisation by the brain remains poorly understood. Our objective was to use positron emission tomography (PET) to assess the impact of diet-induced moderate ketosis on cerebral metabolic rate of acetoacetate (CMRa) and glucose (CMRglc) in healthy adults. Ten participants (35 ± 15 y) received a very high fat ketogenic diet (KD) (4.5:1; lipid:protein plus carbohydrates) for four days...
September 14, 2016: Journal of Cerebral Blood Flow and Metabolism
Basilio Moreno, Ana B Crujeiras, Diego Bellido, Ignacio Sajoux, Felipe F Casanueva
The long-term effect of therapeutic diets in obesity treatment is a challenge at present. The current study aimed to evaluate the long-term effect of a very low-calorie-ketogenic (VLCK) diet on excess adiposity. Especial focus was set on visceral fat mass, and the impact on the individual burden of disease. A group of obese patients (n = 45) were randomly allocated in two groups: either the very low-calorie-ketogenic diet group (n = 22), or a standard low-calorie diet group; (n = 23). Both groups received external support...
September 13, 2016: Endocrine
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