Everything below concerns Melanocortin receptor. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2026-02-15. Numbers and descriptions here follow the published literature rather than marketing material.
Semax binds to melanocortin receptors and is thought to influence neuronal survival and plasticity rather than to act through the adrenal axis. Laboratory work has shown increased expression of brain-derived neurotrophic factor and nerve growth factor in treated tissue. Changes in c-Fos, a marker of neuronal activation, have also been reported. Because the peptide is rapidly degraded by peptidases, its effects are generally attributed to downstream signaling cascades rather than to sustained receptor occupancy.
Published studies are dominated by animal models of stroke, ischemia, and cognitive impairment, with a smaller number of human trials conducted in Russia. Many of the human reports are small, single-center, and published in Russian-language journals, which limits independent scrutiny. Outcome measures vary between studies and often rely on clinician-rated scales rather than objective biomarkers. Systematic reviews have noted the methodological weaknesses and called for larger, preregistered trials before firm conclusions can be drawn.
Clinical reports describe use in ischaemic stroke, transient ischaemic attack, optic nerve conditions, and cognitive complaints, but most of these studies are small and were conducted in a single region. Systematic reviews have generally described the evidence base as limited in size and variable in methodological quality. Randomised controlled data suitable for international regulatory assessment are scarce. As a result, major treatment guidelines outside Russia do not include the peptide, and interest in it remains largely research-driven rather than routine clinical.
Semax is a synthetic heptapeptide with the sequence Met-Glu-His-Phe-Pro-Gly-Pro. It is described in the literature as an analogue of the ACTH(4–10) fragment, a short N-terminal portion of adrenocorticotropic hormone that retains some neurotropic activity without the full hormonal effects of the parent peptide. The molecule carries a methionine residue at the N-terminus and two proline residues near the C-terminus, features that shape both its interactions with receptor systems and its chemical stability. The free peptide corresponds to the formula C37H51N9O10S and a molecular mass near 813.9 Da.
| Property | Value | Notes |
|---|---|---|
| Appearance | White lyophilized powder | Typical for synthetic peptides |
| Solubility | Freely soluble in water | Also soluble in saline |
| Storage temperature | -20 C or below | Protect from repeated freeze-thaw |
| Analytical method | Reverse-phase HPLC | Confirms purity and identity |
| Common synonym | ACTH(4-10) analog | Reflects structural origin |
Quality documentation for research-grade peptide usually includes a certificate of analysis stating purity, identity, and residual counterion content. Batch-to-batch variation in purity and salt form is a recognized issue, and comparisons across suppliers require attention to the exact counterion, for example acetate versus trifluoroacetate. Sequence verification by tandem mass spectrometry provides stronger evidence than a single mass measurement. For any study reporting biological results, the analytical method and the measured purity should be stated explicitly. Independent verification of supplier claims is considered good practice.
Semax is supplied as a lyophilized powder that appears white to off-white. It dissolves readily in water, phosphate-buffered saline, and other aqueous media, which simplifies preparation of working solutions for laboratory use. The nasal products registered in Russia are dilute aqueous solutions, typically around 0.1 percent peptide by weight. Organic solvents are rarely necessary and can complicate handling. Because the peptide is hygroscopic, weighing should be performed quickly and with minimal exposure to ambient humidity.
Solid material is normally kept at minus 20 degrees Celsius in a sealed, desiccated container. Reconstituted solutions are less stable and are usually divided into single-use aliquots before freezing. Repeated freeze-thaw cycles are avoided because they promote aggregation and loss of activity. Light exposure is minimized by using amber glassware or foil wrapping. Published stability data for this peptide are sparse, so recommended storage conditions rest mainly on general practice for short synthetic peptides rather than on dedicated study.
Laboratory descriptions of the material are consistent across suppliers. It appears as a white to off-white lyophilized powder that dissolves readily in water and in polar organic solvents such as dimethyl sulfoxide. Aqueous solutions are clear and colorless at low concentrations. Because the peptide contains methionine, oxidation at the sulfur atom is a recognized degradation pathway, and handling notes usually call for protected, desiccated storage. Reported purity for research-grade lots is generally above 95 percent as measured by reversed-phase high-performance liquid chromatography.
The compound is registered in Russia as a pharmaceutical product, most commonly formulated as a nasal solution, and has been used in that setting since the 1990s. Outside that jurisdiction it is generally handled as a research chemical rather than an approved medicine. Regulatory status therefore differs sharply between countries, and material sold internationally may not correspond to the Russian pharmaceutical formulation. Documentation with commercial samples is typically limited to a certificate of analysis covering purity and identity, not clinical status or local legal classification.
Semax is a synthetic heptapeptide with the sequence Met-Glu-His-Phe-Pro-Gly-Pro. It corresponds to the ACTH(4-7) fragment extended at the C-terminus by a Pro-Gly-Pro tripeptide, an addition intended to slow enzymatic breakdown. The molecular formula is C37H51N9O10S and the molecular mass is approximately 814 daltons. In the literature it is often described as an ACTH(4-10) analog, although that label reflects a naming convention as much as a precise structural relationship. The compound was developed in Russia and remains most closely associated with that research tradition.
Culver's was still a small, local chain in 1993, with only 14 restaurants across southern Wisconsin. Their first restaurants outside Wisconsin opened in Buffalo, Minnesota in September 1995, Roscoe, Illinois in December 1995, and Dubuque, Iowa in November 1997.
Fricasé is a traditional soup in Bolivian cuisine prepared with pork, pork ribs or chicken, hominy, chuño (a freeze-dried potato product) or potatoes, onion, garlic, salt, pepper and spices. It is sometimes consumed as a hangover food, as having a theoretical potential for easing or alleviating symptoms associated with the hangover. Fricasé is a common soup in Bolivia, and is often sold and consumed in the morning. It is a spicy soup that is typically prepared using large chunks of meat, and chuno potatoes are typically used in the Altiplano region of Bolivia. The aji pepper is sometimes used as an ingredient, and bread crumbs are sometimes used to thicken the soup.
As the number of confirmed COVID-19 cases in the state continued to rise, on March 15, Newsom urged people 65 and older and those with chronic health conditions to isolate themselves from others. He also called on bars and brewery and winery tasting rooms to close their doors to patrons. Some local jurisdictions had mandatory closures. The closures were extended to movie theaters and health clubs. He asked restaurants to stop serving meals inside their establishments and offer take-out meals only. His statewide stay-at-home order became mandatory on March 19. It limited in-house gatherings, including religious gatherings and Bible studies. It allowed movement outside the home for necessities or recreation, but people were required to maintain a safe distance apart. Activity "needed to maintain continuity of operation of the federal critical infrastructure sectors, critical government services, schools, childcare, and construction" was excluded from the order. Essential services such as grocery stores and pharmacies remained open. Newsom provided state funds to pay for protective measures such as hotel room lodging for hospital and other essential workers fearing returning home and infecting family members. By April 26, he had issued 30 executive orders under the state of emergency while the legislature had not been in session. On April 28, Newsom and the governors of Oregon and Washington announced a "shared approach" for reopening their economies.
In October 2023, Galloway promoted the false claim that Volodymyr Zelenskyy's wife Olena Zelenska had spent $1 million on jewelry in New York City, during the time of which Zelenska was actually in Canada. Galloway said that his source for the story was The Nation, but the publication that had actually reported this claim was a Nigerian newspaper of the same name. Regarding the Crocus City Hall attack in Russia, Galloway said he had "four pieces of evidence that lead [him] to believe that the United States, its NATO allies, and their puppet stump state Ukraine are, in fact, responsible for this massacre". In October 2024, at the 16th BRICS summit, Galloway criticised the British press at the event for "hating Russia" and suggested there was more media freedom in Russia than in Britain. In June 2025, Galloway participated as a speaker at the Forum of the Future 2050 in Moscow, a conference organised by tycoon Konstantin Malofeev. The guest list also included Elon Musk's father, Errol Musk, Russia's foreign minister Sergey Lavrov, economist Jeffrey Sachs and conspiracy theorist Alex Jones, among others. After going into self-imposed exile in Russia, Galloway said on his talk show that he supports Russia's war against Ukraine, calling it anti-imperialist and anti-colonialist. He praised Russia's military after it struck Yahodyn, on the Polish border, with a drone.
Sources: en.wikipedia.org
=== Head and neck === Due to weakness of the muscles of facial expression and muscles of mastication, facial weakness may manifest as the inability to hold the mouth closed (the "hanging jaw sign") and as a snarling expression when attempting to smile. With drooping eyelids, facial weakness may make the individual appear sleepy or sad. Difficulty in holding the head upright may occur.
1993/150) Council Tax (Liability for Owners) (Amendment) Regulations 1993 (S.I. 1993/151) Genetically Modified Organisms (Deliberate Release) Regulationa 1993 (S.I. 1993/152) Barnsley Community and Priority Services National Health Service Trust (Transfer of Trust Property) Order 1993 (S.I. 1993/153) Mersey Regional Ambulance Service National Health Service Trust (Transfer of Trust Property) Order 1993 (S.I. 1993/154) North Mersey Community National Health Service Trust (Establishment) Amendment Order 1993 (S.I. 1993/155) Shropshire's Mental Health National Health Service Trust (Establishment) Amendment Order 1993 (S.I. 1993/156) Thameside Community Health Care National Health Service Trust (Change of Name) Order 1993 (S.I. 1993/157) Drivers' Hours (Passenger and Goods Vehicles) (Exemption) (Revocation) Regulations 1993 (S.I. 1993/158) Manchester Central Hospitals and Community Care National Health Service Trust (Change of Name) Order 1993 (S.I. 1993/159) A30 and A39 Trunk Roads (Indian Queens, Fraddon and St Columb Road Bypasses and Slip Roads) Order 1993 (S.I. 1993/163) A30 and A39 Trunk Roads (Indian Queens, Fraddon and St Columb Road Bypasses) (Detrunking) Order 1993 (S.I. 1993/164) General Drainage Charges (Relevant Quotient) Regulations 1993 (S.I. 1993/165) Central Rating Lists (Amendment) Regulations 1993 (S.I. 1993/166) Spring Traps Approval (Scotland) Variation Order 1993 (S.I. 1993/167) Humberside and South Yorkshire (County Boundaries) Order 1993 (S.I. 1993/168) Special Road Schemes and Highways Orders (Procedure) Regulations 1993 (S.I.
Potassium alum crystallizes in regular octahedra with flattened corners and is very soluble in water. The solution is slightly acidic and is astringent to the taste. Neutralizing a solution of alum with potassium hydroxide will begin to cause the separation of Al(OH)3, which redissolves with excess hydroxide. When heated to nearly a red heat, it gives a porous, friable mass, which is known as "burnt alum". It fuses at 92 °C (198 °F) in its own water of crystallization.
Sources: en.wikipedia.org
Codeine is a nonsynthetic opioid. It is a selective agonist of the μ-opioid receptor (MOR). Codeine itself has relatively weak affinity for the MOR. Instead of acting directly on the MOR, codeine functions as a prodrug of its major active metabolites morphine and codeine-6-glucuronide, which are far more potent MOR agonists in comparison. Codeine has been found as an endogenous compound, along with morphine, in the brains of nonhuman primates with depolarized neurons, indicating that codeine may function as a neurotransmitter or neuromodulator in the central nervous system. Like morphine, codeine causes TLR4 signaling which causes allodynia and hyperalgesia. It does not need to be converted to morphine to increase pain sensitivity.
Jenner sent a paper reporting his observations to the Royal Society in April 1797. It was not submitted formally and there is no mention of it in the Society's records. Jenner had sent the paper informally to Sir Joseph Banks, the Society's president, who asked Everard Home for his views. Reviews of his rejected report, published for the first time in 1999, were skeptical and called for further vaccinations. Additional vaccinations were performed and in 1798 Jenner published his work entitled An Inquiry into the Causes and Effects of the Variolae Vaccinae, a disease discovered in some of the western counties of England, particularly Gloucestershire and Known by the Name of Cow Pox. It was an analysis of 23 cases including several individuals who had resisted natural exposure after previous cowpox. It is not known how many Jenner vaccinated or challenged by inoculation with smallpox virus; e.g. Case 21 included 'several children and adults'. Crucially all of at least four whom Jenner deliberately inoculated with smallpox virus resisted it. These included the first and last patients in a series of arm-to-arm transfers. He concluded that cowpox inoculation was a safe alternative to smallpox inoculation, but rashly claimed that the protective effect was lifelong. This last proved to be incorrect. Jenner also tried to distinguish between 'True' cowpox which produced the desired result and 'Spurious' cowpox which was ineffective and/or produced severe reaction.
In addition, the Times reported that Vice President-elect JD Vance had led a group of Republicans, including Donald Trump Jr., former Trump aide Steve Bannon, political activist Charlie Kirk, and Breitbart News reporter Matt Boyle, to support Hegseth's nomination. Trump allies took a direct approach to addressing the controversies, including an interview with Megyn Kelly that impressed Trump. Hegseth appeared at the United States Capitol in December; Trump publicly reaffirmed his support for Hegseth afterwards. The visit gave Iowa senator Joni Ernst, who had threatened his nomination, a positive impression of Hegseth. Hegseth appeared before the Senate Committee on Armed Services on January 14. He positioned himself as a "warrior" while denying the allegations and his previous claims that women should not serve in combat roles. Hegseth was criticized by Democrats over allegations of sexual misconduct, financial mismanagement, and alcohol issues. Rhode Island senator Jack Reed, the committee's ranking member, noted that Hegseth had used the term "jagoff" in his book The War on Warriors (2024) to derogatorily refer to a Judge Advocate General officer who reprimanded him on the use of rocket-propelled grenades. He did not answer a question from Virginia senator Tim Kaine on whether or not sexual assault, drinking, or infidelity were disqualifying. The Committee on Armed Services voted to advance his nomination 14–13 along party lines on January 20, after Trump was inaugurated.
=== Genetics === People can also develop CJD because they carry a mutation of the gene that codes for the prion protein (PRNP), located on chromosome 202p12-pter. This occurs in only 10–15% of all CJD cases. In sporadic cases, the misfolding of the prion protein is a process that is hypothesized to occur as a result of the effects of aging on cellular machinery, explaining why the disease often appears later in life. An EU study determined that "87% of cases were sporadic, 8% genetic, 5% iatrogenic and less than 1% variant."
Sources: en.wikipedia.org
It is associated with the melanocortin receptor family, particularly subtypes found in the central nervous system. This interaction is separate from the adrenal pathway activated by full-length ACTH.
Peptidases degrade the compound within minutes in circulation. This short half-life is one reason nasal delivery is used, placing the substance close to the olfactory and trigeminal pathways.
No large multicenter trials have been published in English-language journals. The existing human evidence consists mainly of smaller studies conducted in Russia, which limits generalization.
It is described as a synthetic analogue of the ACTH(4–10) fragment, a short segment of adrenocorticotropic hormone. Its sequence differs from that fragment and includes two proline residues, which influence stability and behaviour in solution.