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TL;DR @ bottom So I've got a few autoimmune problems that remain undiagnosed due to doctors believing I'm overthinking. My mother has Hashimoto's disease, Celiac's, and had alopecia as a child. Her mother has Osteoperosis. My father has arthritis, which is also inflammatory, as well as what I believe to be mild autism and ADHD. I visited the Psychiatrist for the first time last week in which I had to speak for an hour as part of the assessment. Within 2 hours I was popping my first dose of Methylphenidate for ADHD. One thing he also pointed out is that I might have Autism spectrum disorder. I mentioned that the austic symptoms I seem to have are exacerbated by inflammation. One day I could be fine, social and even making out with girls within 5 minutes of meeting, while the next day, I can barely speak to anyone. The symptom that stands out the most is the sensory overload. Light are super bright, sounds are loud, muffled, and almost like something out of a horror film. I also get cognitive overload, which makes sentences incredibly hard to contemplate. Basically nothing goes in. But what has this got to do with inflammation? Well, it hit me after I realised that Modafinil gives me these symptoms 100% of the time. Modafinil is a histamine-based substance, essentially meaning that it's tied in with inflammation. The best thing I did was cut out all gluten and dairy (other than 0-lactose whey). This made a significant difference to the level of inflammation I had and a lot of the brain-foggy autistic-like symptoms began to fade. Unfortunately, staying 100% anti inflammatory isn't easy and can be incredibly costly. A few months back I did an extended Fast for 5 days, with 3 of the days being dry-fasts. During that period in ketosis, I had what I believe to be a 100% remission of all ADHD and autism symptoms. It really baffled my mind seeing as you'd expect to be cognitively sluggish while in starvation mode. Instead I was more coherent than ever before. About 2 months ago, I had a sudden breakout of inflammatory problems all at once. The protein I had bought, despite being gluten and lactose-free, had a disproportionately high level of the histamine precursor, L-histadine. That day I woke up with all my symptoms, including the chronic tendonitis that had been in remission for months. My joints were in pain and I was so tired that I felt like fainting. I also had IBS. It felt how I'd imagine taking 500mg of modafinil would feel, minus the wakefulness. It really baffled me how the text-book autism symptom seemed to be connected with my tendinitis. I was onto something. Two days before I went to the Psychiatrist, I made a huge mistake. Ate the hottest curry I had ever eaten in my life. It was so spicy that it shouldn't have even been legal. My dad told me they actually took it off the shelves within a few days. Anyway, to combat the spiciness, I made the mistake of having a litre of cows milk in a glass, just to reduce the pain. It's just a one-off, right? And I still drink whey.. Huge mistake. The next day was horrible. All my symptoms reappeared. My immune system was kicking the hell off. After leaving a meeting due to health-concerns (which was incredibly hard to explain to the others due to the autistic symptoms), I went home and rooted through my house. I came across some paracetamol. Now I had never bothered with paracetamol before I didn't want it to interfere with my gym progress. However, I gave myself a one-off and popped the pill. Within an hour, the majority of my autistic-like symptoms had disappeared. I could speak to people, think clearer, and understand better. Like holy shit, what the hell? The next day I felt significantly better. Usually symptoms linger for up to two weeks, but it seemed like I was actually able to communicate. Funnily enough, the next day is when my Psychiatry visit took place. Though the symptoms had not entirely patched up, the doc still brought up the idea that I might be on the spectrum. Had the appointment been the previous day, I firmly believe he would have flat-out diagnosed me as autistic. I would've most likely sat there quiet, staring at the ground. Anyway, we're pretty lucky to be living in the time when the studies on inflammation are finally being published. Inflammation is the cause of most disease. Sure, I might be genetically prone to the more severe issues, however inflammatory issues are widespread. Go and find how many people over the age of 65 don't have any arthritic problems and you'll be shocked. **TL;DR:** Inflammation gives me severe sensory overload, cognitive overload, and the inability to communicate properly, while anti-inflammatories seem to significantly reduce these symptoms
We present experience of ketogenic diet (KD) applying in the treatment of pharmacoresistant epilepsy in a patients with glucose transporter deficiency syndrome type I (GLUT1). We observed six children with refractory epilepsy due to GLUT1. The high effectiveness of KD in the treatment of GLUT1 was demonstrated. All patients were achieved complete absence of seizures and EEG abnormalities from the beginning of KD. We noticed positive shift in cognitive and speech development for all children. Antiepileptic drugs were stopped taking due to the stable remission. There was a further positive dynamics in intelligence, psycho-emotional sphere; the children began to go a nursery school and a special school. Thus, the ketogenic diet is high effectiveness and, perhaps, the only method for GLUT1 treatment. **Keywords:** Ketogenic diet; Pharmacoresistant epilepsy; Intractable epilepsy; Glucose transporter deficiency syndrome type I (GLUT1) ## [Introduction](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#introduction) Glucose transporter type 1 deficiency syndrome (GLUT1) (synonyms: Glutl-DS, G1D, or De Vivo disease) is a rare genetic disorder mainly affecting the CNS. The disease was first described in 1991. About 500 patients have now been recorded around the world. The incidence ofGLUTl is independent of gender, age, and nationality [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r1),(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r2)] The disease is caused by a defect in the SLC2A1 gene, which encodes the glucose transporter responsible for transporting glucose from the blood to the brain across the blood-brain barrier - GLUT1 (type 1 glucose transporter). Mutations in the SLC2A1 gene can alter or completely block the function of GLUT1 protein, with the result that the brain lacks its main energy substrate, glucose, leading to progressive impairment to brain functions and the occurrence of the corresponding symptomatology The level of cerebral glucose metabolism is low during intrauterine development, increases linearly after birth, and reaches a peak at age three years, after which it remains high throughout the first decade of life, then gradually decreasing during the second decade of life. Thus, it can be suggested that the risk of clinical manifestations of GLUT1during intrauterine development is low, but then increases during infancy and early childhood. The genetic aspects of GLUT1 include mutations in the SLC2A1 gene, generally spontaneous, though some families have been described as having autosomal dominant inheritance. GLUT1 is on rare occasions inherited as an autosomal recessive. The severity of the state is determined by the characteristics of the mutation. Prenatal diagnosis can be performed in high-risk pregnancies [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r3)]. Children with GLUT1 have no phenotypic features at birth. The disease subsequently develops in two variants: the classical, or epileptic (90% of patients), and the non-epileptic (in 10% of patients). The classical variant typically manifests in the first months of life as polymorphous epileptic seizures: generalized tonic-clonic, myoclonic, atypical absence, atonic and myoclonic-atonic seizures. Seizures can occur with different frequencies - from monthly to daily, and are characterized by marked resistance to anticonvulsant therapy. Episodes of apnea, cyanosis, and paroxysmaleye movements can occur, and these can be preceded by convulsions. Motor impairments (ataxia, dystonia, spastic disorders) are then added in, and microcephaly forms. The EEG often shows generalized or local epileptiform changes. An important pathognomonic feature of the disease is the regression of epileptic seizures and EEG anomalies after ingestion of food. The non-epileptic variant is dominated by motor disorders: paroxysmal dyskinesias (choreoathetosis/ dystonia), ataxia, and alternating hemiplegia of different grades of severity. Patients frequently complain of headache. In some cases, hemolytic anemia forms part of the syndrome. Increases in clinical symptomatology during periods of hyperthermia and addition of inter current diseases are typical. All patients with GLUT1 experience progressive general developmental delay The intellect is affected, as are verbal functions (dysarthria), increasing mental delay and changes in the motor domain. The different variants of the disease and the severities of the various symptoms in each individual case cause significant difficulty in diagnosing GLUT1. Previously, the disease was diagnosed on the basis of the clinical picture and the results of laboratory studies, primarily - the assessment of glucose content in the cerebrospinal fluid (CSF). With GLUT1, a decrease in glucose concentration is detected in CSF at normal or low lactate values against normoglycemia. The diagnostic criterion of the disease is a decrease in glucose content below 60mg/dl (<40mg/dl in > 90% of patients, 4152mg/dl in ~ 10% of patients). Currently, the final diagnosis is set after a genetic examination (DNA diagnostics). Analysis of 3-O-methyl-D-glucose absorption in erythrocytes (35%-74% of the standard) is currently considered as the diagnostic gold standard for this disease [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r4)]. SLC2A1 is the only gene where mutations are associated with the development of GLUT1 deficiency syndrome. SLC2A1 gene encoding GLUT1 protein, consists of 10 exons and 9 introns, is localized on the short arm of chromosome 1 (1p34.2) [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r5)]. More than 150 mutations in SLC2A1 gene, which are the cause of GLUT1 deficiency syndrome, are described [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r6)]. Pathogenic variants are represented by missense, nonsense mutations, which may include small intragenic deletions/insertions, as well as variants of splicing sites. Proteins are carriers of glucose from GLUT protein group. These transport proteins facilitate passive diffusion of glucose through tissue seals by means of energy-independent mechanisms. The group includes 12 GLUT proteins. GLUT1 is expressed in endothelial cells of blood vessels that form part of the blood-brain barrier and is responsible for the penetration of glucose into the brain. GLUT2 is associated with the FanconiBickel syndrome, GLUT3 is responsible for the penetration of glucose through the neuronal plasma membrane, GLUT4 is an insulin-regulating glucose transporter of adipose tissue, cardiac muscle and skeletal muscles, and is responsible for insulin-mediated glucose transport, GLUT5 is expressed in the intestines, testicles and kidneys. The function of GLUT7 is currently unknown [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r7)-(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r9)]. Currently the only effective approach to the treatment of GLUT1 consists of a ketogenic diet (KD). Consumption of a high- fat, low-carbohydrate, ketogenic diet is accompanied by the formation of ketone bodies, which are able to cross the blood- brain barrier using the MCT-1 transporter, supporting alternative energy metabolism in the CNS [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r10)-(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r14)]. The KD method was developed earlier for the treatment of drug-resistant epilepsy. In the Russian Federation, the only center that applies KD for the treatment of non-curable epilepsy is the State Budgetary Health Care Institution Scientific and Practical Center for Specialized Medical Care for Children n.a. V.F. Voyno-Yasenets Health Care Department of Moscow.” In 2010, we have received a patent for invention No. 2404777 "A method for treating pharmaco-resistant epilepsy” Published data and our own results [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r8)-(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r17)] show that the use of a KD in epilepsy leads to improvements, with decreases in the frequency of seizures by 50-75% in more than half the patients and complete termination of seizures in 18%. In practice, various modifications of the KD are used depending on the child's age and individual characteristics. The KD is characterized by a high content of fat, which leads to metabolic acidosis, which can elicit side effects such as dyslipidemia, osteopenia, biliary dysfunction, gastroesophageal reflux, constipation, diarrhea, hyperuraturia, cardiopathy, etc. [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r10),(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r11),(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r13),(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r17)]. The phenomenon of aggravation of seizures has been described, along with changes in the emotional background (disinhibition, irritability) [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r12)]. Patients on a KD therefore require careful observation for maintenance of the therapeutic level of ketosis and appropriate prophylaxis and correction of possible complications [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r15)-(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r18)]. A KD was first used in GLUT1 in 1991. As evidenced by published data [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r2),(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r19)], use of a KD in GLUT1 allows convulsive states to be eliminated and provides improvements in motor and cognitive functions and metabolic parameters, and, if prescribed early, improvements in the long-term neurological outcome [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r3)]. According to the published data, 95% of children with seizures with GLUT1 with KD showed a reduction in seizures by more than 50%, and 80% - a reduction in seizures by more than 90% [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. Many centers that treat GLUT1 give recommendations on the use of classical KD with a high ketogenic ratio of 4:1 and control the increase in ketones in blood serum or in urine, which is confirmed by our clinical data [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)], but there are other data showing that there is no differences between patients using KD with a ratio of 4:1 (more strict) and lower ratios. 5 of 16 (31%) patients adhering to a ketogenic ratio of 4:1 using KD were free of seizures compared with 21 of 38 (55%) for lower ketogenic ratios [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. Antiepileptic drugs (AED) are generally ineffective inGLUT1, or have only limited application, and some are contraindicated. This relates to barbiturates, which are often used in children in the first year of life, as well as valproates, acetazolamide, topiramate and zonisamide [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r21)]. Treatment with methylxanthines should be avoided. Alternative therapies are being developed recognizing that side effects occur in children with GLUT1 with prolonged use of KD. They include a modified Atkins diet (MDA) [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r22)-(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r25)], ketoesters [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r26)], triheptanone [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r27)], alpha-lipoic acid [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r28)] and acetazolamide [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r29)]. In the southeast medical center of the University of Texas in Dallas, Dr. Juan M. Pascual conducts a number of new studies using triheptanon-C7 edible oil in respect of GLUT1. The ultimate goal of the study using the proposed C7 diet is to answer the question of whether C7 influences the effectiveness of neuropsychological activity (cognitive abilities) in patients with GLUT1 who observe and do not observe KD. There is a concern that C7 may have a negative effect on KD and, as a result, researchers intend to thoroughly study the potential compatibility/incompatibility. Triheptanon (C7) is a food product considered as a possible therapeutic food. Perhaps, C7 will soon appear in the market as a therapeutic food along with other widely available food additives, such as vitamins (NANO VM) or MCT oil [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r30)]. ## [Research Objective](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#research) To increase the level of diagnostics of patients with glucose transporter type 1 deficiency syndrome (GLUT1) and to give recommendations on their treatment using KD. ## [Subject of Research](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#subject) In the neuropsychiatric department of the State Budgetary Health Care Institution Scientific and Practical Center for Specialized Medical Care for Children n.a. V.F. Voyno-Yasenets Health Care Department of Moscow, patients with confirmed glucose transporter type 1 deficiency syndrome (De Vivo disease) associated with mutations in SLC2A1 gene have been observed for 6 years. The permission of the Ethical Committee of the Scientific and Practical Center for Specialized Medical Care for Children was obtained after the parents signed voluntary informed consent. ## [Methods of Research](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#methods) Molecular-genetic research was conducted using modern diagnostic methods. The diagnosis of GLUT1 deficiency syndrome in the first examined patient was confirmed by method of targeted exome sequencing of the panel of 34 genes associated with early forms of epileptic encephalopathy, first developed in the genetic laboratory of the SPC of [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r31)]. Isolation of genomic DNA from peripheral blood leukocytes and subsequent targeted exome sequencing was performed on MagNA Pure LC 2.0 and 454 Sequencing GS Junior (Roche) analyzers, respectively. Specialized Internet resources were used to predict the conservatism and the degree of pathogenicity, clarifying the clinical significance of all identified variants in the genes: SIFT (Predict effects of nonsynonmous/missense variants), PolyPhen-2 (prediction of functional effects of human nsSNPs) *u* MutationTaster. Samples of "1,000 Genomes”, ESP6500, Exome Aggregation Consortium (ExAc) and Genome Aggregation Database (gnom AD) were used to estimate the population frequencies of the identified variants. The OMIM database, specialized databases (GeneReviews (NCBI), HGMD (The Human Gene Mutation Database), LOVD (Leiden Open Variation Database), ClinVar (NCBI) and published data were used to assess the clinical relevance of the identified variants. The detected mutation in SLC2A1 gene is represented by insertion of additional 6 nucleotides into the sequence-c.1305- 1306insTGAAGA (p.V435VFI). The mutation is not registered in the control samples of "1000 genomes”, ESP6500 and ExAC. Algorithms for predicting pathogenicity regard this substitution as pathogenic [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r32)]. In 2 patients, mutations in SLC2A1 gene were determined by direct Sanger sequencing: c.115-2A>G (IV S2-2A-G) andc.101A>G (p.Asn34Ser). When performing the exome sequencing, mutation c.400G>A (p.Gly134Ser) was detected in 1 patient, which was not registered in the control samples of "1000 genomes”, ESP6500 and ExAC. Algorithms for predicting pathogenicity regard this substitution as likely pathogenic. The diagnosis of GLUT 1 deficiency syndrome in two patients was based on the clinical picture, data of biochemical analysis of the cerebrospinal fluid (a decrease in the level of glucose in CSF below the threshold level of 2.2-3.3mmol/l) and detection of pathogenic mutations in SLC2A1 gene. Two patients were diagnosed according to the clinical picture and biochemical analysis of CSF, since no informed consent was given to genetic testing. Patients observed by us showed different types of mutations in SLC2A1 gene. Due to the small number of observations, it is not possible to carry out genotype-phenotypic correlations. All children were admitted with a diagnosis of cryptogenic epilepsy, a delay in psychomotor and speech development. It is known from the anamnesis that all 6 patients from full-term normal pregnancies, independent births on time, had a good birth weight and a high APGAR scale score. The period of newborn childhood was uneventful. However, in the future, psycho-speech development slowed, ataxia and epileptic seizures appeared. Part of the patients showed an increase in the frequency of seizures during "hunger”, as well as lethargy and drowsiness. After eating, the children's condition improved, epileptic seizures disappeared. Further, all 6 children reported complaints of weakness in the legs that increased after physical exertion. EEG revealed epileptiform multiregional activity, periodically with secondary generalization. The effect of taking anticonvulsants was ambiguous. Clinico-laboratory and instrumental studies showed a decrease in the concentration of glucose in CSF to 1.3-2.0mmol/l (2.2-3.3mmol/l); the level of glycemia in blood was 4-5mmol/l (standard 3.9-6mmol/l); the ratio of glucose in CSF to blood glucose was 0.3-0.45mmol/l (standard 0.54-0.56mmol/l). The level of lactate in blood was increased (standard 0.5-2.2mmol/l). EEG of some children before eating showed an irregular α-rhythm, generalized discharges of epileptiform activity; after eating - a regular α-rhythm, regress of epileptiform activity. Magnetic resonance imaging (MRI) of the brain showed no pathology in all patients. Based on the results of the studies, the following disease was diagnosed: Glucose transporter type 1 deficiency syndrome (GLUT1). Epilepsy A molecular genetic examination confirmed GLUT1 in 4 patients. These children were immediately taken to pass the KD course. The preliminary examination revealed no contraindications on the part of the somatic and neurological statuses for using this method of therapy. With the introduction of KD all children took AEDs in connection with epileptic attacks: myoclonic, myoclonic-atonic, complex absences and tonic-clonic. Often, myoclonias had a cascading behavior, intensified and becoming more frequent in a state of hunger. The neurological status showed motor disinhibition, expressive speech in the form of single words, poor vocabulary, dysarthria, diffuse muscle hypotension, motoric awkwardness, ataxia. ## [Results](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#results) A positive effect was observed after KD in the form of complete relief of epileptic seizures in all patients, absence of epileptiform activity according to video EEG monitoring data, improvement of EEG frequency characteristics, complete abolition of perinatal encephalopathy, however, the psycho-neurological deficiency in the form of hypotension, discoordination and dysarthria retained, but with expressed improvement. Patients are being continuously monitored at home with regular monitoring of the children's condition, as provided for in the protocol. Symptomatic therapy was recommended to prevent and correct side effects: preparations of pancreatic enzymes, cholagogues, prokinetics and probiotics, as well as constant intake of multi-vitamin-mineral complexes. Positive changes in cognitive and speech development have been achieved even after 3 months from the beginning of diet therapy: socialization of children has improved, interest in viewing television programs, surrounding subjects has increased, and phrase speech has appeared (separate phrases and sentences). At the same time, motoric disinhibition, restlessness, and periodical aggressiveness and irritancy retain in some children. In our center, we use a metabolic drug - carnitine to improve metabolic processes, reduce manifestations of asthenic syndrome, MCT or coconut oil to increase the level of ketosis, gamma-aminobutyric acid and choline alphoscerate - to improve neurocognitive functions. Later, in all patients on the background of KD administration and concomitant therapy, progress in cognitive and speech development grew, as well as interest in games, learning, expressive speech improved - simple sentences appeared, children started attending kindergartens and auxiliary schools. Quality of life of families and patients significantly improved. Differential diagnostics of GLUT1 deficiency syndrome was performed with other pathological conditions causing neuroglycopenia (chronic or transient hypoglycemia in familial hyperinsulinism), convulsions in newborns and microcephaly, in particular, early manifestations of Rett syndrome, Angelmann syndrome, infantile forms of neuronal ceroid-lipofuscinosis; opsoclonus-myoclonus syndrome; cryptogenic epileptic encephalopathy with a delay in development; familial epilepsy with autosomal dominant type of inheritance; episodes of paroxysmal neurological dysfunction in response to carbohydrate intake, especially when combined with alternating hemiparesis, ataxia, cognitive impairment, or convulsions; motoric disorders, including dystonia [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r31)]. ## [Discussion](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#discussion) According to Columbia University (results obtained from many patients around the world and are similar to university results), patients with GLUT1 receiving KD can achieve a seizure reduction of more than 90% without using AEDs [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. In our clinic, we managed to achieve 100% control of seizures, apparently due to a small number of patients. According to global and our own published data, the overall results are better among those who started diet therapy at an earlier age. Patients diagnosed with GLUT1 in the earlier age were also prone to achieve better results than older patients. Screening of SLC2A1 gene will help speed up early diagnostics of GLUT1 and may lead to a faster KD appointment [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. Alternative GLUT1treatments, such as the use of triheptanon, are the subject of clinical research; our foreign colleagues and we are convinced that the introduction of KD cannot be delayed. The results of foreign and our studies contribute to approval of dietary therapy as the "gold standard” for GLUT1 treatment; it remains unclear what specific diet should be used. According to our colleagues, among children without seizures, the percentage of those observing KD and MCT (including triglycerides with an average chain length) diet was approximately equal to the percentage of those observing MDA and hypoglycemic diet, 74% and 63%, respectively [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. Among the patients using classical KD, the ketogenic ratios vary considerably from 4:1 to 2:1, and also include the MCT diet.The results are almost identical among all diets and ratios [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. We noticed a certain trend towards better signs of absence of seizures and improvement of cognitive functions among those with a 4:1 ratio, but nevertheless, this cannot reflect the modest size of our sampling. There is a dependence of control over seizures on the level of ketones in the serum (the higher the level). Monitoring of the comparison of ketone levels in blood and urine can be important, especially given that daily use of scarifiers in a sick child can be cumbersome and costly for the family in financial terms [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r20)]. In our center, we determine the level of ketone bodies in both serum and urine. Two children (33%) had a clear dependence of the absence of seizures on the level of ketone bodies. And finally, according to our data and the data of foreign authors, all patients with GLUT1 on the background of diet therapy should receive symptomatic therapy to improve tolerability of KD and reduce side effects from its application, as well as nutritional supplements and nootropic drugs to improve cognitive functions. ## [Conclusion](https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#conclusion) GLUT1 deficiency syndrome associated with impaired glucose transport to the brain, as a result of mutations in SLC2A1 gene, leads to neurological disorders with large phenotypic variety. Spinal puncture should be performed in each patient with suspected GLUT1 deficiency syndrome with glucose level measurement. Reduction in the glucose concentration in CSF of less than 2.2mmol/l is an indication for the molecular genetics study of SLC2A1 gene and early KD administration. 📷 Satisfactory tolerability of KD at high efficiency (almost 100%) in respect of epileptic seizures and significant improvement in motoric and cognitive functions is the grounds for its continued use in these patients, especially given the fact that diet therapy is currently the only effective GLUT1 treatment. Medico-genetic counseling of families where the child has a confirmed GLUT1 syndrome is important in planning the next pregnancy. The type of inheritance is autosomal-dominant, the risk of transmitting a pathogenic mutation from parents to the child is 50%. When a mutation in SLC2A1 gene is detected in a proband, it is recommended to subject the parents to molecular- genetic testing, as parents may have a subclinical form of the disease [(https://juniperpublishers.com/gjidd/GJIDD.MS.ID.555588.php#r32)]. The above medical cases show availability of KD in treatment of patients with such a rare and severe hereditary disease as glucose transporter type 1 deficiency syndrome (GLUT1) [Table 1](https://juniperpublishers.com/gjidd/images/GJIDD.MS.ID.555588.T001.png). For more Open Access Journals in [Juniper Publishers ](https://juniperpublishers.com/index.php)please click on: [https://juniperpublishers.com](https://juniperpublishers.com/) For more articles in [Global Journal of Intellectual & Developmental Disabilities](https://juniperpublishers.com/gjidd/index.php)please click on: [https://juniperpublishers.com/gjidd/index.php](https://juniperpublishers.com/gjidd/index.php) For more [Open Access Journals](https://www.reddit.com/Open%20Access%20Journals) please click on: [https://juniperpublishers.com](https://juniperpublishers.com/)
Nootropics is kind of a new world for me. As a mom of two kids, anything that is going to help me with brain function, I'm down with! This video is my thoughts on ...