Semax

别听

别听

Semax is a synthetic neuropeptide with nootropic and neuroprotective effects, derived from an adrenocorticotropic hormone (促肾上腺皮质激素) fragment.

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The amino acid sequence of Semax is H-Met-Glu-His-Phe-Pro-Gly-Pro-OH. Carefully modified based on the fourth to seventh amino acids of a fragment derived from 促肾上腺皮质激素 (促肾上腺皮质激素), this modification removes ACTH’s inherent side effects.

Preserving and in some cases enhancing neuroactive properties and stability, Semax demonstrates superior outcomes specifically related to neuroprotection and various forms of cognitive enhancement.

Enhancing learning and memory processes, 专注, and information processing speed are unique advantages the substance provides.

Direct influence on synaptic plasticity (hippocampal and cerebral cortex being prime examples) is what sets Semax apart; cognitive function is boosted by the body’s own physiological regulation, without addiction or fatigue.

Anxiety resistance and adaptogenic effects are also well documented, though immunomodulation is still being studied.

全面的, all the currently known neurotherapeutic effects of Semax hold great promise; 阿尔茨海默氏症, 帕金森病, glaucoma, 沮丧, and many other conditions of a neurological or psychiatric nature, will benefit from a truly effective cognitive enhancer.

顺序

Ac-Met-Glu-His-Phe-Pro-Gly-Pro

CAS 号

80714-61-0

分子式

C39H54N10O10S

分子量

854.99

Research Of Semax

1.Clinical Applications and Research Findings

Early approval was given in the 1990s for treating encephalopathy and stroke (circulatory related being the primary example), along with numerous neurological complications of non-insulin dependent diabetes.

Continuous research has since shown Semax to counteract a wide array of damaging brain stimuli ischemia, hypoxia, 毒性, and oxidative stress to name a few.

Potent antioxidant activity, improved intracellular energy metabolism within the brain, and enhanced survival of brain cells are all documented effects.

2.神经保护作用

When the brain suffers damage from hypoxia, toxic substances, 氧化应激, or direct trauma, brain cells continuously die or lose function; irreversible injury follows as a result.

Semax has been demonstrated to inhibit or at least interrupt this process through various multi-target effects.

Experimental evidence shows upregulation of specific neurotrophic factors as one mechanism; activation of the TRKB receptor follows, rapidly initiating neuronal differentiation and subsequent repair pathwaysmaximizing the potential for neuronal survival.

Suppressing the more acute toxicity of excitatory amino acids is another key action, as well as the inhibition of the initiation phase of cellular programmed apoptosis itself.

Clinical trials indicate effective reduction of infarct size and alleviation of cerebral edema in ischemic stroke patients; a solid foundation for all aspects of recovery (physical and psychological) is provided by Semax.

3.Cognitive Enhancement

Semax regulates the systemic balance of several neurotransmittersdopamine, serotonin, 乙酰胆碱 to name a fewcreating an efficient, stable environment within the nervous system.

Synaptic plasticity in critical regions (hippocampus being prime examples, prefrontal also important) is influenced by this regulation.

Physiologically regulating brain function leads to improved cognitive abilities; learning and memory (formation, consolidation and retrieval) are all enhanced, attention span increased, information processing speed improved and mental clarity restored.

Traditional stimulants cause the associated tension and anxiety that Semax completely avoids.

4.Anti-anxiety and Adaptogenic Effects

The hypothalamic-pituitary-adrenal (羟丙酸) axis governs the body’s stress response.

Stabilizing this system is what Semax truly excels atabnormal cortisol levels and all the pathological damage they cause from chronic stress are lessened.

5.Neuro-Repair and Neurotrophic Effects

Activating brain-derived neurotrophic factor (脑源性神经营养因子)/TrkB and other growth factor pathways, Semax provides a form of ‘revitalizationto neurons, both structurally and functionally.

Axonal and network level reorganization can be achieved.

Surviving neurons can and do, in part at least, return to a near normal state of function.

瑟兰克 and Semax together are a powerful combination.

This combination represents a promising neuroprotective strategy.

COA

高效液相色谱法

多发性硬化症

(1) 德米特里耶娃, V. G。; 波瓦罗娃, 氧. 五、; 斯克沃尔佐娃, V. 我。; 林博斯卡, S. 一个。; 米亚索耶多夫, 氮. F。; 德尔古诺娃, L. V. Semax 和 Pro-Gly-Pro 激活脑缺血后神经营养素及其受体基因的转录. 细胞和分子神经生物学 2009, 30 (1), 71-79. DOI: 10.1007/s10571-009-9432-0.

(2) 埃雷明, K. 奥。; 库德林, V. S。; 萨兰萨里, P。; 产品, S. S。; 格里文尼科夫, 我. 一个。; 米亚索耶多夫, 氮. F。; 拉耶夫斯基, K. S. 别听, 促肾上腺皮质激素(4-10) 具有促智特性的类似物, 激活啮齿类动物的多巴胺能和血清素能大脑系统. 神经化学研究 2005, 30 (12), 1493-1500. DOI: 10.1007/s11064-005-8826-8.

(3) 格拉佐娃, 氮. Y。; 曼琴科, D. M。; 沃洛季纳, 中号. 一个。; 梅尔基耶娃, S. 一个。; 安德烈耶娃, L. 一个。; 库德林, V. S。; 米亚索耶多夫, 氮. F。; 列维茨卡娅, 氮. G. 别听, 合成促肾上腺皮质激素(4–10) 类似物, 减轻白鼠生命早期暴露于氟伏沙明后的行为和神经化学改变. 神经肽 2021, 86. DOI: 10.1016/j.npep.2020.102114.

(4) 成本, 氮. 五、; 索科洛夫, 奥。; 加巴耶娃, 中号. 五、; 格里文尼科夫, 我. 一个。; 安德烈耶娃, L. 一个。; Miasoedov, 氮. F。; Zozulia, 一个. 一个. [Semax and selank inhibit the enkephalin-degrading enzymes from human serum]]. Bioorg Khim 2001, 27 (3), 180-183. DOI: 10.1023/一个:1011373002885 来自 NLM Medline.

(5) 梅德韦杰娃, 乙. 五、; 德米特里耶娃, V. G。; 林博斯卡, S. 一个。; 米亚索耶多夫, 氮. F。; 德尔古诺娃, L. V. 别听, ACTH 类似物(4−7), 调节大鼠缺血性脑损伤期间免疫反应基因的表达. 分子遗传学和基因组学 2017, 292 (3), 635-653. DOI: 10.1007/s00438-017-1297-1.

(6) 佩埃, C-U. “Semax”治疗抑郁症的可能性. 中枢神经系统频谱 2014, 13 (1), 20-21. DOI: 10.1017/s1092852900016102.

(7) 弗拉索娃, 我. M。; 布拉夫特佐夫, D. E.; 萨列茨基, 一个. 中号. 血液成分的发光分析用于研究药物“Semax”对脑缺血的神经保护特性. 应用光谱学杂志 2009, 76 (1), 121-126. DOI: 10.1007/s10812-009-9141-y.

顺序:

Ac-Met-Glu-His-Phe-Pro-Gly-Pro

中科院:

80714-61-0

分子量:

823.928 克/摩尔

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