One potential explanation for the anticonvulsant action of the KD argues that increased ATP synthesis should produce a positive bioenergetic balance, allowing stabilization of the resting membrane potential via enhanced activity of Na+-K+-ATPase (Bough & Rho, 2007). Several decades ago, De Vivo and colleagues (1978) reported that the KD increased the total quantity of bioenergetic substrates (such as adenosine triphosphate, or ATP) and elevated the energy charge in rat brain. These changes were purported to stabilize the cell membrane, especially in the face of excessive excitation. Consistent with these observations, a later human study utilizing magnetic resonance spectroscopic techniques indicated that patients with epilepsy fed a KD had elevated phosphocreatine to creatine levels in the brain (Pan et al., 1999). Recently, using cDNA microarray technology, increased expression of the mitochondrial ATP synthase β,D subunit in mouse brain was reported after KD treatment (Noh et al., 2004). And in the most comprehensive study of this kind to date, the KD was found to enhance mitochondrial biogenesis and significantly increase the number of transcripts encoding energy metabolism genes in rats (Bough et al., 2006). This increase in bioenergetic capacity enabled hippocampal slices from these animals to better withstand metabolic challenge from low glucose exposure. Taken together, the prevailing notion has been that increased energy production and reserve capacity enable greater resistance to neuronal hyperexcitability and hypersynchrony.
Apa perbedaan antara minyak MCT dan minyak kelapa
Resep Cheesecake Pablo Keto ini saya modifikasi dari resepnya Yuda Bustara. Crust yang harusnya dari pastry saya ganti dengan campuran tepung keto dan tepung almond. Untuk cheesecakenya sendiri bahannya hampir sama, hanya saja gula saya ganti dengan pemanis Diabetasol dan saya tambahkan perasan jeruk lemon agar terasa lebih segar. Berhubung crustnya agak rapuh jadi harap …
Whos yang Kardashian kaya 2018
Munculnya beragam jenis diet bisa bikin bingung. Berbagai manfaat dari setiap diet terdengar sangat menggoda, apalagi dengan klaim “efektif menurunkan berat badan”. Namun, jangan asal diet! Cari tahu dulu dengan jelas mengenai diet yang akan Anda jalani. Pastikan apakah sesuai dan aman untuk Anda. Salah satu jenis diet yang sedang banyak digemari yaitu diet keto. Diet keto adalah salah satu pola makan yang dianggap ampuh menurunkan berat badan secara cepat dan efektif.
Adalah brokoli keto sebuah
The relevance of leptin to seizure susceptibility was recently highlighted by Erbayat-Altay and colleagues (2008) who demonstrated a significantly decreased threshold in leptin-deficient ob/ob mice to pentylenetetrazol-induced seizures. Indeed, leptin itself inhibits seizures induced by 4-aminopyridine and pentyelenetrazole-induced, possibly through blockade of AMPA receptor-mediated synaptic transmission (Xu et al., 2008). If the limiting of AMPA receptor-mediated transmission is a critical factor, it should be recalled this can also be accomplished by topiramate. With respect to the KD, the leptin signaling system is believed to contribute to slow weight gain associated with chronic treatment in both rodents and humans (Thio et al., 2006). KD-fed juvenile rodents had higher serum leptin levels and lower insulin levels than control rats fed a standard diet.
Donde se menghasilkan la Cetogenesis
Apa uji protein C reaktif untuk
Thus, if fatty acids (and perhaps more specifically, polyunsaturated fatty acids or PUFAs), enhance mitochondrial uncoupling, and if this basic downstream mechanism is responsible for both anticonvulsant and neuroprotective effects (which has yet to be demonstrated), then could taking a chemical uncoupler such as 2,4-dinitrophenol (DNP) render the same effects? Of course, it is well known that DNP, a potent mitochondrial uncoupler that greatly increases the basal metabolic rate, and once used to treat obesity in the 1930’s, has a major untoward side-effect profile – namely, high fever and the risk of death. Clearly, if mitochondrial uncoupling were to represent the essential target, then less potent (and less toxic) compounds are required, and novel delivery systems need to be developed.
Given these findings, it is not surprising that investigators have studied the effects of dietary supplementation with PUFAs alone, to determine whether these substrates can render an anticonvulsant effect. Early case reports suggested that seizures might be better controlled with this approach (Schlanger et al., 2002). However, a recent randomized trial in adult patients with epilepsy failed to demonstrate superiority of a PUFA supplement (EPA) plus DHA, 2.2 mg/day in a 3:2 ratio) over placebo (Bromfield et al., 2008). Thus, the jury is still out as to whether PUFAs alone can mirror the clinical effects of the KD.