In this task, you are given a passage which has a question and the context. You have to generate an answer to the question based on the information present in the context.

Q: Context: Anti-epileptic drugs (AEDs) and the ketogenic diet (KD) are often used concomitantly in children with refractory epilepsy. It has been hypothesised that certain AEDs may interfere with KD. The purpose of this study was to elucidate relationships between efficacy of KD and use of specific AEDs.', "A retrospective study was performed in 71 children with refractory epilepsy starting the KD between 2008 and 2014 in Erasmus University Hospital Sophia Children's Hospital. Efficacy of the KD (defined as 50% seizure reduction) was evaluated after three months of treatment and related to the AEDs used.", 'The KD was successful after three months in 61% of the children (N=71). Efficacy was significantly reduced if children (n=16) used lamotrigine (31%) at diet initiation or in the course of the diet, compared to other antiepileptic drugs (69%) (p=0.006). In comparison to children using other antiepileptic drugs, the percentage of children that had adequate ketosis was significantly reduced in case of lamotrigine use (p=0.049).\Question: Is concomitant lamotrigine use associated with decreased efficacy of the ketogenic diet in childhood refractory epilepsy?

A: Lamotrigine treatment during KD is associated with a decreased efficacy of the KD.
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Q: Context: To detect the resistin expression of white adipose tissue in diet-induced obese (DIO) versus diet-resistant (DR) rats, and to investigate the relationship of mutated resistin and 3T3-L1 preadipocytes differentiation.', 'RT-PCR and Western Blot were used to detect gene /protein expression. 3T3-L1 cells were cultured, transfected, and induced to differentiation using 0.5 mmol/L 3-isobutyl-1-methylxanthine (MIX), 1 mg/L insulin, and 1 micromol/L dexamethasone. Oil red O staining was applied to detect the degree of preadipocytes differentiation.', 'Expression of resistin mRNA was upregulated in DIO rats and downregulated in DR rats. However, the expression levels varied greatly within the groups. Sequencing of the resistin genes from DIO and DR rats revealed a Leu9Val (C25G) missense mutation within the signal peptide in one DR rat. The mutant resistin inhibited preadipocyte differentiation. Local experiments and Western blotting with tagged resistin fusion proteins identified both mutant and wild type proteins in the cytoplasm and secreted into the culture medium. Computer predictions using the Proscan and Subloc programs revealed four putative phosphorylation sites and a possible leucine zipper motif within the rat resistin protein.\Question: Does a mutation in signal peptide of rat resistin gene inhibit differentiation of 3T3-L1 preadipocytes?

A: Resistin-increased differentiation may be inhibited by the mutation-containing precursor protein, or by the mutant non-secretory resistin isoform.
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Q: Context: Atherosclerotic vascular occlusive disease is the most common complication of diabetes mellitus and accounts for 75% of deaths in diabetic patients. Determining the initiator and continuing stimulus for the cellular events in the formation of atherosclerotic lesions in diabetic patients could lead to the prevention of this common and deadly complication. Diabetes-induced arterial wall hypoxia is proposed as an initiator and continuing stimulus for atherosclerotic vascular occlusive disease.', 'Transarterial wall oxygen gradient measurements were performed on the infrarenal aorta with an oxygen microelectrode 14 to 16 weeks after the induction of alloxan diabetes in rabbits.', 'Both insulin-treated and untreated alloxan diabetic rabbits revealed significantly decreased oxygen tensions throughout the arterial wall compared with control rabbits. There was no significant difference in the transarterial wall oxygen gradient between the two groups of diabetic rabbits. This effect was noted despite no difference in the partial pressure of oxygen in arterial blood or visual evidence of atherosclerotic lesion formation in the three groups.\Question: Does alloxan diabetes alter the rabbit transarterial wall oxygen gradient?

A:
These findings suggest that diabetes induces arterial wall hypoxia independent of insulin therapy and before the formation of atherosclerotic lesions. Diabetes-induced arterial wall hypoxia may contribute to the formation of atherosclerotic lesions.
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