scispace - formally typeset
Search or ask a question

Lysine restricted diet에는 뭐가 있어? 


Best insight from top research papers

A lysine-restricted diet typically includes specific dietary modifications aimed at managing various conditions such as pyridoxine-dependent epilepsy (PDE) and hyperlysinaemia. In the context of PDE, lysine restriction has been shown to be safe and beneficial, leading to partial normalization of lysine intermediates in body fluids and potentially improving seizure control and psychomotor development . Additionally, lysine restriction is crucial in cases of hyperlysinaemia, where dietary management plays a significant role in controlling the condition . The importance of an adequate amino acid mixture in the diet is highlighted, as it supports protein synthesis and helps maintain high levels of O 6 -methylguanine-DNA methyltransferase (MT) for DNA lesion repair during exposure to alkylating agents . Therefore, a lysine-restricted diet typically involves careful monitoring and adjustment of lysine intake to manage specific metabolic disorders effectively.

Answers from top 4 papers

More filters
Papers (4)Insight
Lysine-restricted diet for pyridoxine-dependent epilepsy includes reduced lysine intake to manage ALDH7A1 genetic defect, aiming to decrease α-AASA levels, but may lead to mild cerebral serotonin deficiency.
Lysine-restricted diet reduces O6-methylguanine-DNA methyltransferase levels in mouse tissues, intensifying with dimethylnitrosamine exposure, emphasizing the importance of adequate lysine for protein synthesis and DNA repair.
A lysine-restricted diet for pyridoxine-dependent epilepsy includes monitoring lysine intermediates, amino acids in plasma, and lifelong pyridoxine-HCl treatment adherence for safety and efficacy.
Open accessJournal ArticleDOI
16 Citations
A lysine restricted diet for hyperlysinaemia involves limiting lysine intake. The success of such diets varied among siblings with unpredictable outcomes, suggesting potential benefits in managing this rare disorder.

Related Questions

Lysine is safe to take,?5 answersBased on the research presented in various studies, including a systematic review of l-lysine safety, it has been found that lysine is generally safe for consumption within recommended doses. The provisional no-observed-adverse-effect level for l-lysine in healthy human subjects was identified at 6.0 g/day, primarily based on gastrointestinal symptoms. High doses of lysine, ranging from 10-30g/day, may lead to abdominal cramps and diarrhea, but renal and hepatic toxicity is not commonly reported in normal individuals. Additionally, NOAELs for supplemental lysine at 6.0 g/day have been proposed for healthy adults, specifically when administered in fortified foods or dietary supplements. Furthermore, lysine has shown positive effects in diabetic patients, improving glycemic control and antioxidant markers without causing liver or kidney toxicity. Therefore, when taken within recommended limits, lysine appears to be safe for consumption.
Why lysine promotes HIV?4 answersLysine promotes HIV-1 in different ways. The bromodomain of PCAF binds specifically to HIV-1 Tat acetylated at lysine 50, competing against HIV-1 TAR RNA binding to the acetylated Tat. Lysine residues (K25) at the base of the HIV capsid pore play a crucial role in HIV infection and DNA synthesis. Inositol phosphates coordinate a ring of positively charged lysine residues, and their removal severely inhibits HIV infection and prevents DNA synthesis. Lysine mutations in the HIV-1 Vif protein affect its expression and viral infectivity. While some lysines are important for Vif expression, others are essential for viral growth in non-permissive cells. The direct effect of L-lysine amino acid on HIV-1 RNA replication in vitro has not been well-documented, but amino acids are known to play a role in virus replication and gene expression.
What is l lysine supplementation?4 answersL-lysine supplementation refers to the addition of L-lysine, an essential amino acid, to the diet or as a dietary supplement. L-lysine has been studied for its effects on various aspects of health and metabolism. In the context of type 2 diabetes, L-lysine supplementation has been shown to improve glycemic control, inhibit protein glycation, and increase antioxidant markers. However, excessive L-lysine supplementation may have adverse effects, such as altered body weight, food intake, and hematological and biochemical parameters, especially when combined with a low protein diet. In terms of mineral bioavailability, L-lysine supplementation at relatively high levels does not appear to affect copper or iron bioavailability in rats. Additionally, L-lysine supplementation has been studied in the context of lysine-related inborn errors of metabolism, where it is used in combination with arginine to competitively inhibit enteral lysine uptake and reduce lysine oxidation. In broilers, L-lysine supplementation has been shown to improve body weight gain, feed consumption, and feed efficiency.
What are the benefits and risks of supplemental lysine?5 answersSupplemental lysine has several benefits and risks. It has been proposed that supplemental lysine at 6.0 g/d has a no observed adverse effect level (NOAEL) for healthy adults when administered in fortified foods or dietary supplements. In patients with lysinuric protein intolerance (LPI), low-dose oral lysine supplementation has been shown to improve fasting plasma lysine concentrations without causing side effects. Lysine supplementation has also been found to have clinical significance in the treatment of various pathological conditions such as herpes simplex virus (HSV) infection, osteoporosis, anxiety, mood disturbances, migraine, Alzheimer's dementia, hair loss, shingles, cancer, cardiovascular diseases, and aging. However, the effects of oral lysine supplementation as prophylaxis or treatment of HSV infections have produced contradictory results in clinical studies. Overall, while lysine supplementation can have potential benefits, it is important to consider individual health conditions and consult with a healthcare professional before starting supplementation.
Does L Lysine have zinc in it?3 answers
Is lysine essential or nonessential amino acid?10 answers

See what other people are reading

What is the definition of glycemia according to the American Diabetes Association?
5 answers
Glycemia, as defined by the American Diabetes Association (ADA), refers to the concentration of glucose in the blood. This parameter is crucial in the diagnosis and management of diabetes, a condition characterized by abnormal glycemic levels. The ADA emphasizes the importance of monitoring glycemia through methods like self-monitoring of blood glucose (SMBG) and measuring hemoglobin A1c (HbA1c). The glycemic index (GI) and glycemic load (GL) are also significant metrics related to how foods affect blood glucose levels, with GI reflecting the immediate impact of a food on blood sugar and GL indicating the average effect of a serving of that food. Understanding and controlling glycemia levels are essential in diabetes care to prevent complications associated with long-term elevated blood sugar levels.
What are the most common seizure auras?
5 answers
Seizure auras are subjective feelings that act as warning signs before a seizure. Studies have shown that auras are prevalent in both focal and generalized epilepsy. In focal epilepsy, common auras include confusion, visual symptoms, and somatosensory experiences. On the other hand, patients with generalized epilepsy often report non-specific auras like confusion, dizziness, and somatosensory sensations. Additionally, patients with psychogenic nonepileptic seizures (PNES) may also experience auras, which can lead to misdiagnosis and unnecessary treatments. The variety of auras reported underscores the importance of standardized terminology to aid in accurate identification and classification of these pre-seizure experiences.
What are the advantages and disadvantage of extreme gradient boosting for binary classification?
5 answers
Extreme Gradient Boosting (XGBoost) offers several advantages for binary classification tasks. It excels in improving classification performance, as seen in studies on knee osteoarthritis (KOA) patients. XGBoost demonstrates higher accuracy and better classification performance compared to other methods like support vector machine (SVM) and deep neural networks (DNN). Additionally, in epilepsy seizure detection, XGBoost achieves a high area under the receiver operating curve (AUC) and accuracy, indicating precise prediction of seizure periods. However, XGBoost's subject-specific nature in brain-computer interfaces (BCI) tasks can be a limitation, requiring identification of subject-specific frequency bands for optimal performance. Despite this drawback, XGBoost remains a powerful tool for binary classification tasks, offering enhanced accuracy and performance in various medical applications.
Depression and anxiety comorbid with other psychiatric illness?
4 answers
Depression and anxiety often coexist with other psychiatric illnesses, leading to complex clinical presentations. Patients with epilepsy commonly experience comorbid depression and anxiety, with depression being more prevalent. The relationship between anxiety and depression is intricate, with both disorders frequently occurring together and potentially exacerbating each other's symptoms. In the elderly, anxiety can worsen the severity of depression symptoms, impacting the course of late-life depression. Additionally, individuals with trichotillomania may experience associated symptoms like sadness and lack of interest, highlighting the overlap between psychiatric conditions. Understanding the comorbidity of depression and anxiety with other psychiatric illnesses is crucial for providing comprehensive and effective treatment to patients.
Protein increases uric acid?
5 answers
Dietary protein intake has been shown to influence uric acid levels in various studies. High-protein diets have been linked to increased plasma uric acid concentrations in animal models, such as chickensand broiler chicks. Conversely, a nationally representative study in the US found that higher meat and seafood consumption was associated with elevated serum uric acid levels, while total protein intake was not significantly correlated. Additionally, supplementation with yeast protein concentrate in foods led to a notable increase in uric acid levels in serum and urine, which returned to normal after discontinuation. These findings collectively suggest that protein intake, particularly from certain sources, can impact uric acid metabolism, highlighting the complex relationship between dietary protein and uric acid levels.
Find competing evidence for the use of keppra in adolescent epilepsy?
5 answers
Competing evidence for the use of Keppra in adolescent epilepsy can be found in studies focusing on alternative treatments like the ketogenic diet. Research suggests that dietary interventions, such as the modified Atkins diet (MAD), have shown significant efficacy in reducing seizure frequency in children and adolescents with refractory epilepsy, with seizure frequency reduction (SFR) of 35–56.1% in the intervention group compared to 6–18.2% in the control group. Additionally, studies have highlighted the importance of understanding the metabolic profiles of patients with epilepsy to maximize clinical benefits from dietary restrictions. While Keppra is commonly used in epilepsy management, the efficacy and side effects of dietary interventions like the MAD present a compelling alternative for adolescents with refractory epilepsy.
What strategies can parents and teachers use for autisitic child with food aversions?
5 answers
Parents and teachers can employ various strategies to help autistic children with food aversions. Firstly, they should focus on promoting better eating habits. Behavior analytic interventions have shown empirical support in treating feeding problems in autistic children, emphasizing a comprehensive and interdisciplinary approach. Implementing sensory-based feeding interventions, integrated into daily routines, has been successful in reducing food selectivity and improving mealtime behaviors among autistic children. In cases where there is a severe lack of interest in eating or avoidance of food intake, professionals may diagnose Avoidant/Restrictive Food Intake Disorder (ARFID) and recommend a treatment plan involving multispecialty care and nutritional management strategies. Additionally, considering the unique challenges faced by autistic individuals in maintaining a healthy lifestyle, lifestyle medicine principles focusing on diet, physical activity, sleep, stress management, social connectedness, and substance use avoidance can be beneficial.
CAn diet be a treatment for CACNA1A mutation?
5 answers
Diet can be a potential treatment for CACNA1A mutations. While CACNA1A mutations are linked to familial hemiplegic migraine type 1 and episodic ataxia type 2, a patient with these mutations experienced relief from attacks with acetazolamide treatment. Additionally, dietary interventions have shown efficacy in treating genetic and epigenetic diseases, including those involving mutations like SCN2A, through the use of ketogenic diets. Specifically, a patient with SCN2A mutation and early-onset epileptic encephalopathies benefited from a ketogenic diet, showcasing the potential of dietary approaches in managing genetic disorders associated with mutations like CACNA1A. Therefore, dietary strategies, such as ketogenic diets, could be considered as part of a comprehensive treatment plan for individuals with CACNA1A mutations.
What is bdnf?
5 answers
Brain-Derived Neurotrophic Factor (BDNF) is a crucial neurotrophin widely distributed in the central nervous system, playing essential roles in neuronal growth and survival. It has been linked to various neuropsychiatric disorders, neurodevelopmental disorders, and neurodegenerative diseases. BDNF is involved in brain assembly, development, and maturation, influencing aging, cognition, and behavior. Studies suggest that alterations in BDNF levels are associated with neuropsychiatric disorders, making it a potential biomarker for central pathologies. Furthermore, BDNF has therapeutic potential in neurological and psychiatric diseases, with mechanisms including neuroprotection, synaptic maintenance, and immunomodulation. Evolutionary analyses have shown that BDNF's main functional domain is highly conserved, while the regulatory regions exhibit more evolutionary flexibility, potentially contributing to disease susceptibility.
Why are the types of carbohydrates important for managing type 2 diabetes?
5 answers
The types of carbohydrates are crucial for managing type 2 diabetes due to their significant impact on glycemic response and insulin sensitivity. Different types of carbohydrates, such as dietary fiber, glycemic starch, and sugars, have varying effects on glucose metabolism. For instance, high consumption of glycemic starch and sugars can worsen glycemic control and increase the risk of developing type 2 diabetes, especially in individuals with a genetic predisposition. On the other hand, complex carbohydrates like whole grains, legumes, and green leafy vegetables are beneficial for blood sugar management. Additionally, preclinical studies highlight the importance of the source of carbohydrates, with resistant starch showing the most favorable outcomes in maintaining normoglycemia. Therefore, understanding and selecting the right types of carbohydrates in the diet play a crucial role in effectively managing type 2 diabetes.
What are the impacts of videogames on betha brain waves?
5 answers
Playing video games can influence beta brain waves, as observed in various studies. One study found that after playing Counter Strike 1.6, subjects showed an increase in beta-band activity and a decrease in alpha-band activity, indicating a shift in brainwave patterns post-gaming. Additionally, research on individuals playing video games for an hour showed significant differences in the relationship between alpha and beta waves across different brain lobes, suggesting that longer gaming durations might yield more pronounced effects on brainwave activity. Moreover, a case study involving a patient with epilepsy revealed a unique frontocentral theta rhythm in the 5 to 6 Hz range during smartphone gaming, indicating a specific EEG waveform associated with gaming activities that may represent an attention-visuomotor pathway.