Semax

Semax is a synthetic neuropeptide with nootropic and neuroprotective effects, derived from an adrenocorticotropic hormone (ACTH) fragment.

SKU: 198885 分类:
分享你的喜爱

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 adrenocorticotropic hormone (ACTH), 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, concentration, 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.

Overall, all the currently known neurotherapeutic effects of Semax hold great promise; Alzheimer’s, Parkinson’s, glaucoma, depression, and many other conditions of a neurological or psychiatric nature, will benefit from a truly effective cognitive enhancer.

序列

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

化学文摘社编号

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, toxicity, 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.Neuroprotective Effects

When the brain suffers damage from hypoxia, toxic substances, oxidative stress, 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 pathways – maximizing 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 neurotransmitters – dopamine, serotonin, acetylcholine to name a few – creating 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 (HPA) axis governs the body’s stress response.

Stabilizing this system is what Semax truly excels at – abnormal 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 (BDNF)/TrkB and other growth factor pathways, Semax provides a form of ‘revitalization’ to 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.

赛兰克 and Semax together are a powerful combination.

This combination represents a promising neuroprotective strategy.

COA

高效液相色谱法

MS

(1) Dmitrieva, V. G.; Povarova, O. V.; Skvortsova, V. I.; Limborska, S. A.; Myasoedov, N. F.; Dergunova, L. V. Semax and Pro-Gly-Pro Activate the Transcription of Neurotrophins and Their Receptor Genes after Cerebral Ischemia. Cellular and Molecular Neurobiology 2009, 30 (1), 71-79. DOI: 10.1007/s10571-009-9432-0.

(2) Eremin, K. O.; Kudrin, V. S.; Saransaari, P.; Oja, S. S.; Grivennikov, I. A.; Myasoedov, N. F.; Rayevsky, K. S. Semax, An ACTH(4-10) Analogue with Nootropic Properties, Activates Dopaminergic and Serotoninergic Brain Systems in Rodents. Neurochemical Research 2005, 30 (12), 1493-1500. DOI: 10.1007/s11064-005-8826-8.

(3) Glazova, N. Y.; Manchenko, D. M.; Volodina, M. A.; Merchieva, S. A.; Andreeva, L. A.; Kudrin, V. S.; Myasoedov, N. F.; Levitskaya, N. G. Semax, synthetic ACTH(4–10) analogue, attenuates behavioural and neurochemical alterations following early-life fluvoxamine exposure in white rats. 神经肽 2021, 86. DOI: 10.1016/j.npep.2020.102114.

(4) Kost, N. V.; Sokolov, O.; Gabaeva, M. V.; Grivennikov, I. A.; Andreeva, L. A.; Miasoedov, N. F.; Zozulia, A. A. [Semax and selank inhibit the enkephalin-degrading enzymes from human serum]]. Bioorg Khim 2001, 27 (3), 180-183. DOI: 10.1023/a:1011373002885  From NLM Medline.

(5) Medvedeva, E. V.; Dmitrieva, V. G.; Limborska, S. A.; Myasoedov, N. F.; Dergunova, L. V. Semax, an analog of ACTH(4−7), regulates expression of immune response genes during ischemic brain injury in rats. Molecular Genetics and Genomics 2017, 292 (3), 635-653. DOI: 10.1007/s00438-017-1297-1.

(6) Pae, C.-U. Therapeutic Possibility of “Semax” for Depression. CNS Spectrums 2014, 13 (1), 20-21. DOI: 10.1017/s1092852900016102.

(7) Vlasova, I. M.; Buravtcov, D. E.; Saletsky, A. M. Luminescence analysis of blood components in studies of the neuroprotective properties of the drug “Semax” in cerebral ischemia. Journal of Applied Spectroscopy 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

M.W:

823.928 g/mol