It is well known that an increase in the mitochondrial membrane potential (▵ψ) can promote mitochondrial reactive oxygen species (ROS) generation through increased electron shunting (Votyakova et al., 2001). Mitochondrial uncoupling proteins (UCPs) – which are activated by fatty acids – increase proton conductance and dissipate ▵ψ, thereby decreasing ROS formation (Mattson & Liu, 2003). Recent studies have implicated UCPs as potential mediators of a neuroprotective effect of the KD. Up-regulation of UCP2 expression in transgenic mice reduced seizure-induced neuronal cell death, and was associated with enhanced ATP levels and decreased ROS production (Diano et al., 2003). In normal rats, a high-fat suckling diet was protective against kainate-induced neuronal death in immature rat hippocampus, effects that were attributed to fatty acid-induced increases in UCP2 expression and reduction in ROS production (Sullivan et al., 2003). And finally, KD treatment in normal juvenile mice led to enhanced hippocampal expression and activity of all three known brain-localizable isoforms of UCP (i.e., UCP2, UCP4 and UCP5), and correlated with significant decreases in ROS levels (Sullivan et al., 2004).
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So is the clinical effectiveness of the KD simply a matter of increasing energy stores? If this is the case, then would it not be a simpler matter to ingest creatine, a highly bioavailable and relatively safe oral supplement, and one that is increasingly demonstrated to promote health and longevity (Beal, 2003; Bender et al., 2007; Schapira, 2008)?
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Alternatively, if simple calorie restriction is sufficient to prevent seizure activity in patients, why not decrease total caloric intake, and not bother with the high-fat KD? However, from yet another perspective, one could consider combining the KD and calorie restriction (as has been done in animal studies). In rats fed a calorie-restricted KD, Bough and colleagues (2003) demonstrated exhibited greater paired-pulse inhibition in the dentate gyrus, elevated maximal dentate activation threshold, and an absence of “spreading depression”-like events compared with ad libitum-fed controls. These results suggest that treatment with a calorie-restricted KD may produce both anticonvulsant and anti-epileptogenic effects.
Untuk memperdalam ilmunya, beliau selalu aktif mengikuti pelatihan mengenai gizi dan nutrisi hingga asupan nutrisi untuk penderita penyakit metabolik dan degeneratif. Pada tahun 2019, beliau mendapatkan sertifikasi dari Harvard Medical School dalam mengikuti pelatihan mengenai “Obesity Medicine.” Beberapa kali beliau juga aktif menjadi narasumber acara mengenai gizi di televisi, radio, surat kabar, sosial media, hingga seminar. Di tengah aktivitasnya, beliau kini menjadi tim medis di Persatuan Atletik Seluruh Indonesia. Dokter Raissa bisa ditemui di tempat praktik pribadinya di Sawo 15 Menteng, atau di RS Pondok Indah - Puri Indah dan di RS Metropolitan Medical Center.
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Olahraga adalah cara diet sehat yang paling mudah untuk Anda lakukan. Mengatur porsi makan saja tidak akan sukses menurunkan berat badan jika tidak dibarengi olahraga rutin. Pasalnya, tubuh Anda tetap perlu membakar ekstra kalori yang masuk ke dalam tubuh, sekaligus juga membentuk otot. Kalau bukan dengan olahraga, dengan cara apa lagi lemak tubuh bisa dihilangkan?
Sudah lebih dari setahun ketogenic ini menjadi gelombang trend diet baru di Indonesia. Mulai dari info di facebook, lalu di arisan, ketemuan sama saudara, bahkan banyak selebritis dan influencer merasakan pola makan ketogenik ini. Mungkin baru sekarang Anda berpikir untuk mencoba sendiri. Secara teori, banyak dari Anda yang mungkin merasa sulit menghilangkan nasi, mie, roti dari makanan sehari-hari, dan untuk mengkonsumsi lemak. Tapi banyak juga yang bisa melaluinya dengan mudah kok. Dan tentu yang siap berubah akan mendapatkan manfaat sehatnya.
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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.
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The scientific rationale for elucidating mechanisms of disease pathogenesis or of therapeutic interventions has been traditionally based upon the lofty goal of discovering novel treatments, ones that would be more efficacious than existing options and also be devoid of side-effects altogether. Moreover, in epilepsy research, disease prevention or modification has become the “holy grail”, such that we are no longer complacent with symptomatic treatment and increasing attention is being given to understanding the processes of anti-epileptogenesis itself. Researchers in the field of the ketogenic diet (KD) have also embraced these tenets and recently embarked on that all-too-familiar Quixotic journey, with the ultimate aim of reducing the “difficult” KD regimen to a simple pill. If achieved, this result would represent an ironic recapitulation of the early history of the KD in the United States. Although the KD experienced an initial surge of interest following its introduction in the early 1920’s, it was relegated to near obscurity by the emergence of a familiar drug known as phenytoin. Henceforth, until the mid 1990’s, clinicians – for obvious practical reasons – found it simpler to prescribe a pill rather than an exacting diet.
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As mentioned above, we don’t have all the information and nutritional facts regarding this supplement. That means we can’t speculate about possible benefits or side effects. But we should discuss some generalized side effects with ketosis and the use of BHB ketones. Some users have experienced things like mood swings, fatigue, and low energy. If you experience these side effects, see a doctor about them! It’s important to always research possible side effects before committing to a product that you have to buy. And remember, exercise and diet are the only proven ways of losing weight!
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Resep Alpukat Panggang Keju Mozarella – Awal jalani diet Keto, nggak sengaja baca status fbnya mba Dita Nadia yang majang foto alpukat panggang yang menggiurkan. Katanya menu ini menu sarapan orang luar sono. Wuih kayaknya enak banget, langsung ngiler. Tapi baru keingat, kan saya nggak punya oven, gimana manggangnya dong 😀 Langsung kepikiran pengen punya oven, …
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Martina’s newest cookbook is not just a comprehensive guide to eating for the ketogenic diet, it is also gorgeous eye candy! It is sheer pleasure just to browse through her gorgeous photographs, wile you drool over the delicious recipes. I love Martina’s recipes especially because they are made with wholesome, real food ingredients, and she is very knowledgeable on how to best source ingredients so they are both tasty and health building. Every recipe is explained clearly and well organized, so you can always get great results when making them at home. If you are following a keto or low-carb lifestyle this book is a must have!