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Ketogenic diet study group

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https://www.readbyqxmd.com/read/28262846/antiseizure-effects-of-ketogenic-diet-on-seizures-induced-with-pentylenetetrazole-4-aminopyridine-and-strychnine-in-wistar-rats
#1
E O Sanya, A O Soladoye, O O Desalu, P M Kolo, L A Olatunji, J K Olarinoye
The ketogenic diet (KD) is a cheap and effective alternative therapy for most epilepsy. There are paucity of experimental data in Nigeria on the usefulness of KD in epilepsy models. This is likely to be responsible for the poor clinical acceptability of the diet in the country. This study therefore aimed at providing experimental data on usefulness of KD on seizure models.  The study used 64 Wistar rats that were divided into two dietary groups [normal diet (ND) and ketogenic diet (KD)]. Animal in each group were fed for 35days...
March 6, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/28229464/modified-atkins-diet-is-an-effective-treatment-for-children-with-doose-syndrome
#2
Adelheid Wiemer-Kruel, Edda Haberlandt, Hans Hartmann, Gabriele Wohlrab, Thomas Bast
OBJECTIVE: Children with myoclonic astatic epilepsy (MAE; Doose syndrome) whose seizures do not respond immediately to standard antiepileptic drugs (AEDs) are at high risk of developing an epileptic encephalopathy with cognitive decline. A classic ketogenic diet (KD) is a highly effective alternative to AEDs. To date, there are only limited data on the effectiveness of the modified Atkins diet (MAD), which is less restrictive and more compatible with daily life. We report findings from a retrospective study on 30 MAE patients treated with MAD...
February 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28193599/an-online-intervention-comparing-a-very-low-carbohydrate-ketogenic-diet-and-lifestyle-recommendations-versus-a-plate-method-diet-in-overweight-individuals-with-type-2-diabetes-a-randomized-controlled-trial
#3
Laura R Saslow, Ashley E Mason, Sarah Kim, Veronica Goldman, Robert Ploutz-Snyder, Hovig Bayandorian, Jennifer Daubenmier, Frederick M Hecht, Judith T Moskowitz
BACKGROUND: Type 2 diabetes is a prevalent, chronic disease for which diet is an integral aspect of treatment. In our previous trial, we found that recommendations to follow a very low-carbohydrate ketogenic diet and to change lifestyle factors (physical activity, sleep, positive affect, mindfulness) helped overweight people with type 2 diabetes or prediabetes improve glycemic control and lose weight. This was an in-person intervention, which could be a barrier for people without the time, flexibility, transportation, social support, and/or financial resources to attend...
February 13, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28165552/effects-of-very-low-calorie-diet-on-body-composition-metabolic-state-and-genes-expression-a-randomized-double-blind-placebo-controlled-trial
#4
G Merra, S Gratteri, A De Lorenzo, S Barrucco, M A Perrone, E Avolio, S Bernardini, M Marchetti, L Di Renzo
OBJECTIVE: Very low-calorie diets (VLCDs, < 800 kcal day-1) and Ketogenic diet (KD) are generally used as part of integrated intervention, medical monitoring and a program of lifestyle modification, to improve a multitude of clinical states. The effect of three different very low calories KD (VLCKD), with (VLCKD1) or without (VLCKD2,3) synthetic amino acid replacement of the 50% protein intake, were analyzed after weight loss. PATIENTS AND METHODS: The clinical study used a cross-over randomized double-blind placebo-controlled trial...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28100888/%C3%AE-hydroxybutyrate-levels-in-serum-and-cerebrospinal-fluid-under-ketone-body-metabolism-in-rats
#5
Xiaomeng Wang, Qi Liu, Jian Zhou, Xiuhua Wu, Qingan Zhu
A high-fat, low-carbohydrate diet (KD) or calorie restriction in the form of every-other-day fasting (EODF) results in ketone body metabolism with an increasing β-hydroxybutyrate (βOHB) level. Previous studies have supported that a KD and EODF have a neuroprotective effect. However, the βOHB levels in the cerebrospinal fluid (CSF) resulting from a KD and EODF remain unknown. The aim of this study was to detect βOHB levels in rats fed a KD, EODF diet, and every-other-day ketogenic diet (EODKD) and to compare the serum βOHB level with the CSF βOHB level...
January 19, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28074323/changes-in-cerebral-metabolism-during-ketogenic-diet-in-patients-with-primary-brain-tumors-1-h-mrs-study
#6
Moran Artzi, Gilad Liberman, Nachum Vaisman, Felix Bokstein, Faina Vitinshtein, Orna Aizenstein, Dafna Ben Bashat
Normal brain cells depend on glucose metabolism, yet they have the flexibility to switch to the usage of ketone bodies during caloric restriction. In contrast, tumor cells lack genomic and metabolic flexibility and are largely dependent on glucose. Ketogenic-diet (KD) was suggested as a therapeutic option for malignant brain cancer. This study aimed to detect metabolic brain changes in patients with malignant brain gliomas on KD using proton magnetic-resonance-spectroscopy ((1)H-MRS). Fifty MR scans were performed longitudinally in nine patients: four patients with recurrent glioblastoma (GB) treated with KD in addition to bevacizumab; one patient with gliomatosis-cerebri treated with KD only; and four patients with recurrent GB who did not receive KD...
January 10, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27836684/ketogenic-diets-improve-behaviors-associated-with-autism-spectrum-disorder-in-a-sex-specific-manner-in-the-el-mouse
#7
David N Ruskin, Jessica A Fortin, Subrina N Bisnauth, Susan A Masino
The core symptoms of autism spectrum disorder are poorly treated with current medications. Symptoms of autism spectrum disorder are frequently comorbid with a diagnosis of epilepsy and vice versa. Medically-supervised ketogenic diets are remarkably effective nonpharmacological treatments for epilepsy, even in drug-refractory cases. There is accumulating evidence that supports the efficacy of ketogenic diets in treating the core symptoms of autism spectrum disorders in animal models as well as limited reports of benefits in patients...
January 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/27643725/short-term-safety-tolerability-and-efficacy-of-a-very-low-calorie-ketogenic-diet-interventional-weight-loss-program-versus-hypocaloric-diet-in-patients-with-type-2-diabetes-mellitus
#8
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...
September 19, 2016: Nutrition & Diabetes
https://www.readbyqxmd.com/read/27623967/obesity-treatment-by-very-low-calorie-ketogenic-diet-at-two-years-reduction-in-visceral-fat-and-on-the-burden-of-disease
#9
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...
December 2016: Endocrine
https://www.readbyqxmd.com/read/27517611/cognition-and-synaptic-plasticity-related-changes-in-aged-rats-supplemented-with-8-and-10-carbon-medium-chain-triglycerides
#10
Dongmei Wang, Ellen S Mitchell
Brain glucose hypometabolism is a common feature of Alzheimer's disease (AD). Previous studies have shown that cognition is improved by providing AD patients with an alternate energy source: ketones derived from either ketogenic diet or supplementation with medium chain triglycerides (MCT). Recently, data on the neuroprotective capacity of MCT-derived medium chain fatty acids (MCFA) suggest 8-carbon and 10-carbon MCFA may have cognition-enhancing properties which are not related to ketone production. We investigated the effect of 8 week treatment with MCT8, MCT10 or sunflower oil supplementation (5% by weight of chow diet) in 21 month old Wistar rats...
2016: PloS One
https://www.readbyqxmd.com/read/27390673/ketogenic-diet-but-not-polyunsaturated-fatty-acid-diet-reduces-spontaneous-seizures-in-juvenile-rats-with-kainic-acid-induced-epilepsy
#11
Simone M Dustin, Carl E Stafstrom
BACKGROUND AND PURPOSE: The high-fat, low-carbohydrate ketogenic diet (KD) is effective in many cases of drug-resistant epilepsy, particularly in children. In the classic KD, fats consist primarily of long-chain saturated triglycerides. Polyunsaturated fatty acids (PUFAs), especially the n-3 type, decrease neuronal excitability and provide neuroprotection; pilot human studies have raised the possibility of using PUFAs to control seizures in patients. METHODS: To determine the relative roles of the KD and PUFAs in an animal model, we induced epilepsy in juvenile rats (P29-35) using intraperitoneal kainic acid (KA)...
June 2016: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/27343950/ketogenic-diet-attenuates-spatial-and-item-memory-impairment-in-pentylenetetrazol-kindled-rats
#12
Yan Jiang, Yuqiang Lu, Mengmeng Jia, Xiaohang Wang, Zhengxiang Zhang, Qun Hou, Baohui Wang
The ketogenic diet (KD) controls seizure and improves cognition in patients with drug refractory epilepsy. However, few experimental models have shown this neuroprotective effect on cognition. In this study, we investigated the cognitive protective effects of KD in pentylenetetrazol (PTZ)-kindled rats. We used two relatively low-stress behavioral assessment methods, the novel object recognition (NOR) task and the novel placement recognition (NPR) task, to reveal impairment in item and spatial memory, respectively...
September 1, 2016: Brain Research
https://www.readbyqxmd.com/read/27326359/the-efficacy-of-the-ketogenic-diet-on-motor-functions-in-parkinson-s-disease-a-rat-model
#13
Sheida Shaafi, Safa Najmi, Hamed Aliasgharpour, Javad Mahmoudi, Saeed Sadigh-Etemad, Mahdi Farhoudi, Negar Baniasadi
BACKGROUND: The ketogenic diet (KD), high in fat and low in carbohydrate and protein, provides sufficient protein but insufficient carbohydrates for all the metabolic needs of the body. KD has been known as a therapeutic manner intractable epilepsy. In recent years, the effectiveness of KD drew attention to the treatment of some other disorders such as Parkinson's disease (PD). This study has evaluated the efficacy of KD on motor function in Parkinsonian model of rat and compared it with pramipexole...
April 3, 2016: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/27265003/evaluation-of-non-coding-variation-in-glut1-deficiency
#14
Yu-Chi Liu, Jia Wei Audrey Lee, Susannah T Bellows, John A Damiano, Saul A Mullen, Samuel F Berkovic, Melanie Bahlo, Ingrid E Scheffer, Michael S Hildebrand
AIM: Loss-of-function mutations in SLC2A1, encoding glucose transporter-1 (GLUT-1), lead to dysfunction of glucose transport across the blood-brain barrier. Ten percent of cases with hypoglycorrhachia (fasting cerebrospinal fluid [CSF] glucose <2.2mmol/L) do not have mutations. We hypothesized that GLUT1 deficiency could be due to non-coding SLC2A1 variants. METHOD: We performed whole exome sequencing of one proband with a GLUT1 phenotype and hypoglycorrhachia negative for SLC2A1 sequencing and copy number variants...
December 2016: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27206235/cognitive-and-behavioral-impact-of-the-ketogenic-diet-in-children-and-adolescents-with-refractory-epilepsy-a-randomized-controlled-trial
#15
Dominique M IJff, Debby Postulart, Danielle A J E Lambrechts, Marian H J M Majoie, Reina J A de Kinderen, Jos G M Hendriksen, Silvia M A A Evers, Albert P Aldenkamp
PURPOSE: The ketogenic diet (KD) is increasingly used for the treatment of refractory epilepsy in childhood because of the beneficial effect on seizure reduction. The aim of the current study was to objectively assess cognition and aspects of behavior during the first 4months of a randomized controlled study in children and adolescents. METHODS: Participants from a tertiary epilepsy center were randomized to a KD group (intervention) or a care-as-usual (CAU) group (control)...
July 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27159218/anti-tumor-effects-of-ketogenic-diets-in-mice-a-meta-analysis
#16
Rainer J Klement, Colin E Champ, Christoph Otto, Ulrike Kämmerer
BACKGROUND: Currently ketogenic diets (KDs) are hyped as an anti-tumor intervention aimed at exploiting the metabolic abnormalities of cancer cells. However, while data in humans is sparse, translation of murine tumor models to the clinic is further hampered by small sample sizes, heterogeneous settings and mixed results concerning tumor growth retardation. The aim was therefore to synthesize the evidence for a growth inhibiting effect of KDs when used as a monotherapy in mice. METHODS: We conducted a Bayesian random effects meta-analysis on all studies assessing the survival (defined as the time to reach a pre-defined endpoint such as tumor volume) of mice on an unrestricted KD compared to a high carbohydrate standard diet (SD)...
2016: PloS One
https://www.readbyqxmd.com/read/27147436/long-term-effects-of-ketogenic-diet-on-subsequent-seizure-induced-brain-injury-during-early-adulthood-relationship-of-seizure-thresholds-to-zinc-transporter-related-gene-expressions
#17
Tian Tian, Li-Li Li, Shu-Qi Zhang, Hong Ni
The divalent cation zinc is associated with cortical plasticity. However, the mechanism of zinc in the pathophysiology of cortical injury-associated neurobehavioral damage following neonatal seizures is uncertain. We have previously shown upregulated expression of ZnT-3; MT-3 in hippocampus of neonatal rats submitted to flurothyl-induced recurrent seizures, which was restored by pretreatment with ketogenic diet (KD). In this study, utilizing a novel "twist" seizure model by coupling early-life flurothyl-induced seizures with later exposure to penicillin, we further investigated the long-term effects of KD on cortical expression of zinc homeostasis-related genes in a systemic scale...
December 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27117864/eucaloric-ketogenic-diet-reduces-hypoglycemia-and-inflammation-in-mice-with-endotoxemia
#18
Prathima Nandivada, Gillian L Fell, Amy H Pan, Vania Nose, Pei-Ra Ling, Bruce R Bistrian, Mark Puder
Dietary strategies to alter the immune response to acute inflammation have the potential to improve outcomes in critically ill patients. A eucaloric ketogenic diet (EKD), composed predominantly of fat with very small amounts of carbohydrate, can provide adequate caloric support while minimizing spikes in blood glucose and reducing oxidative stress. The purpose of this study was to evaluate the effects of an EKD on glycemic control and the inflammatory response after acute endotoxemia in mice. Mice received either an EKD or a carbohydrate-based control diet (CD) for 4 weeks...
June 2016: Lipids
https://www.readbyqxmd.com/read/27117144/effect-of-dha-supplementation-in-a-very-low-calorie-ketogenic-diet-in-the-treatment-of-obesity-a-randomized-clinical-trial
#19
Daniel de Luis, Joan Carles Domingo, Olatz Izaola, Felipe F Casanueva, Diego Bellido, Ignacio Sajoux
A VLCK diet supplemented with DHA, commercially available, was tested against an isocaloric VLCK diet without DHA. The main purpose of this study was to compare the effect of DHA supplementation in classic cardiovascular risk factors, adipokine levels, and inflammation-resolving eicosanoids. A total of obese patients were randomized into two groups: a group supplemented with DHA (n = 14) (PnK-DHA group) versus a group with an isocaloric diet free of supplementation (n = 15) (control group). The follow-up period was 6 months...
October 2016: Endocrine
https://www.readbyqxmd.com/read/27112438/environmental-enrichment-mitigates-detrimental-cognitive-effects-of-ketogenic-diet-in-weanling-rats
#20
John M Scichilone, Kalyan Yarraguntla, Ana Charalambides, Jacob P Harney, David Butler
For decades, the ketogenic diet has been an effective treatment of intractable epilepsy in children. Childhood epilepsy is pharmacoresistant in 25-40 % of patients taking the current prescribed medications. Chronic seizure activity has been linked to deficits in cognitive function and behavioral problems which negatively affect the learning abilities of the child. Recent studies suggest the ketogenic diet (KD), a high fat with low carbohydrate and protein diet, has adverse effects on cognition in weanling rats...
September 2016: Journal of Molecular Neuroscience: MN
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