Everything below concerns lyophilized powder. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2026-06-02. Numbers and descriptions here follow the published literature rather than marketing material.
Receptor level activity follows the canonical GHRH pathway. The peptide binds the GHRH receptor, a class B G protein coupled receptor on somatotroph cells of the anterior pituitary. Binding raises intracellular cyclic AMP, which promotes calcium entry and the release of growth hormone into the bloodstream. Because the molecule acts at the same receptor as the endogenous hormone, its effect is superimposed on the natural pulsatile rhythm rather than replacing it. Whether sustained receptor occupation leads to desensitization is not fully settled.
CJC-1295 belongs to a class of synthetic peptides modeled on growth hormone releasing hormone, a forty-four amino acid signal produced by the hypothalamus. The compound is built from the first twenty-nine residues of the natural sequence, with four substitutions introduced at positions 2, 8, 15 and 27. These changes were designed to slow enzymatic breakdown while preserving receptor activation. The result is a peptide that is shorter than native GHRH and considerably more resistant to ordinary clearance pathways in circulation.
Two related forms appear under the CJC-1295 name. The simpler analogue, commonly written as modified GRF(1-29), carries the four substitutions but no additional conjugation. The second form attaches a maleimidopropionic acid linker to a lysine residue, a modification frequently called the drug affinity complex. That linker reacts with the free thiol on serum albumin to form a covalent bond. Because albumin has a long residence time in blood, the conjugated peptide stays in circulation far longer than the unconjugated analogue.
Clearance profiles diverge sharply between the two versions. The albumin-binding molecule stays in plasma for several days, whereas the unmodified analog is largely gone within about half an hour in reported work. Cleavage by dipeptidyl peptidase IV is a major contributor to the short life of the unmodified sequence. These gaps mean the two versions cannot be substituted for each other in study design or in reading results side by side.
Reports on this compound commonly follow serum growth hormone and insulin-like growth factor 1 across defined time windows. Protocols differ in sampling frequency, assay platform, and participant characteristics, which makes direct comparison between publications difficult. Some work focuses on pulsatile release patterns instead of average concentrations. Whether repeated exposure alters endogenous hormone rhythms over long periods remains an open question, and the formal literature is thinner than the volume of informal commentary implies.
Once in circulation, the peptide binds the growth hormone-releasing hormone receptor displayed on pituitary somatotroph cells. Receptor activation couples to Gs proteins, elevates intracellular cyclic AMP, and drives protein kinase A signaling inside the cell. That cascade increases discharge of growth hormone into the bloodstream. The analog therefore operates through a receptor pathway that already exists for the body's own releasing hormone, rather than through an engineered artificial target.
| Property | Value | Notes |
|---|---|---|
| Peptide class | Synthetic GHRH analogue | Built on a 29 residue sequence |
| Primary target | GHRH receptor (GHRHR) | Class B G protein coupled receptor |
| Unconjugated half life | Minutes | Limited by protease degradation |
| Key modification | Four residue substitutions | Positions 2, 8, 15 and 27 |
| Common synonym | Modified GRF(1-29) | Usually denotes the form without DAC |
Studies in this area generally track growth hormone pulses, insulin-like growth factor 1 concentrations, and occasionally body composition endpoints. Most published human data come from early, small trials, and questions about long-term effects remain open. Whether repeated exposure alters pituitary responsiveness over time is not settled. Analytical work relies on immunoassays for the hormones and on mass spectrometry for the peptide itself, because the two measurements answer different questions.
Binding of the peptide to the growth hormone-releasing hormone receptor on pituitary somatotrophs triggers a G protein coupled cascade that raises cyclic AMP and opens calcium channels. The result is greater secretion of growth hormone into the bloodstream. Because the peptide acts at the same receptor as the natural hypothalamic hormone, its effect is amplified pulse size rather than an entirely separate release pathway. Receptor binding alone does not determine the response, since somatostatin tone and other inputs modulate the final output.
CJC-1295 belongs to a family of synthetic peptides modeled on growth hormone-releasing hormone, the hypothalamic signal that prompts the pituitary to release growth hormone. The compound is built from the first twenty-nine amino acids of the natural human sequence, a fragment that retains full receptor binding capacity. Native growth hormone-releasing hormone is degraded quickly in circulation, so the fragment alone has limited practical value. Early work therefore focused on chemical modifications that preserve receptor binding while slowing enzymatic breakdown. The result is a molecule described in the literature as a long-acting analog of the natural hormone.
Two forms circulate under the CJC-1295 name, and they differ by a single appended group. The version without a drug affinity complex carries four substitutions along the peptide chain, including a D-alanine near the amino terminus and replacements at three other positions. These changes block the enzyme dipeptidyl peptidase IV and remove a methionine residue that is prone to oxidation. The modified fragment is frequently labeled MOD GRF 1-29. Naming conventions are inconsistent across informal sources, which is a common source of confusion.
The peptide backbone includes a D-alanine at position two, which resists cleavage by dipeptidyl peptidase IV, and several other substitutions that reduce degradation. Its molecular weight is roughly 3.4 kDa without the linker and about 3.6 kDa with it. The molecule is water soluble and is normally supplied as a lyophilized powder. Precise sequence and mass values depend on which variant is described, so technical documents usually state the exact form being referenced.
CJC-1295 is a synthetic peptide designed as a long-acting analogue of growth hormone-releasing hormone (GHRH). Its structure derives from the first 29 amino acids of native GHRH, a fragment often called GRF(1-29). Four substitutions were introduced to slow enzymatic breakdown and extend activity relative to the natural sequence. The compound was developed by ConjuChem as part of a broader effort to improve the pharmacokinetic profile of peptide hormones. It is studied in laboratory and clinical research settings rather than appearing as a naturally occurring substance.
Identity and purity are assessed mainly by reversed-phase high-performance liquid chromatography combined with mass spectrometry. The chromatographic separation resolves the target peptide from truncation products and from species carrying oxidised residues, while mass measurement confirms the expected molecular mass. Because the two common variants differ by roughly 280 daltons, a mass determination distinguishes them unambiguously. Purity is often quoted as a percentage of total peak area, although that figure depends on the detection wavelength and the integration method applied.
Reported half-lives differ widely between the two variants and between species. Values for the albumin-binding form are usually expressed in days, while the unconjugated form is measured in minutes to a few hours. Sampling schedules, assay sensitivity, and route of administration all influence the numbers, which limits direct comparison across studies. Whether sustained receptor occupancy produces different downstream effects from pulsatile stimulation remains an open question in the published work. Claims about relative potency should therefore be read alongside the specific study design that produced them.
In Japan, a common lunch in the summer months is hiyayakko (冷奴), silken or firm East Asian tofu served with freshly grated ginger, green onions, or katsuobushi shavings with soy sauce. In the winter, tofu is frequently eaten as yudofu, which is simmered in a clay pot in kombu dashi, with vegetables such as Chinese cabbage or green onion. Deep fried tofu is called atsuage (厚揚げ) or namaage (生揚げ) in Japan. The thinner variety called aburaage (油揚げ), develops a tofu pouch often used for inarizushi. In Japan, cubes of lightly coated and fried tofu topped with a kombu dashi-based sauce are called agedashi dōfu (揚げ出し豆腐). Soft tofu that has been thinly sliced and deep fried, known as aburage in Japan, is commonly blanched, seasoned with soy sauce and mirin and served in dishes such as kitsune udon. In Gifu Prefecture, there is a local specialty called komo-dofu, which consists of tofu that has been wrapped in a komo, or mat of woven straw, which leaves its imprint on the exterior. The wrapped tofu is then boiled in soup stock. Voids within the tofu develop during the boiling process, allowing the soup stock flavor to penetrate and giving it a distinctive porous appearance. Japanese miso soup is frequently made with tofu.
== Sources == Espy, Richard (1981). The Politics of the Olympic Games: With an Epilogue, 1976–1980. University of California Press. ISBN 9780520043954. Retrieved 16 June 2013. Honey, Andrew (2000). "South Africa and the Olympic Movement" (PDF). In K.B. Wamsley; S.G. Martyn; G. H. MacDonald; R.K. Barney (eds.). Bridging Three Centuries: Intellectual Crossroads and the Modern Olympic Movement. International Symposium for Olympic Research. pp. 177–184. Retrieved 17 June 2013. Killanin, Michael Morris, Lord (1983). "V: South Africa". My Olympic Years. New York: Morrow. pp. 33–45. ISBN 978-0-688-02209-9 – via Internet Archive. Ramsamy, Sam (1991). "Apartheid and Olympism: on the Abolishment of Institutionalized Discrimination in International Sport". In Fernand Landry; Marc Landry; Magdeleine Yerlès (eds.). Sport, the Third Millennium: Proceedings of the International Symposium, Quebec City, Canada, May 21-25, 1990. Presses Université Laval. pp. 539–548. ISBN 9782763772677. Retrieved 17 June 2013.
=== Modernity === Much research has pointed at the rising rates of depression, leading people to speculate that modernization may be a factor in the growing percentage of depressed people. One study found that women in urban America were much more likely to experience depression than those in rural Nigeria. Other studies have found a positive correlation between a country's GDP per capita, as quantitative measure of modernization, and lifetime risk of a mood disorder trended toward significance (p=0.06). Many people believe it is the increased number of pressures and expectations, increased isolation, increased individualism, and increased inactivity that contribute to higher rates of depression in modern societies.
==== Species ==== The genus includes dog violets, a group of scentless species which are the most common Viola in many areas, sweet violet (Viola odorata) (named from its sweet scent), and many other species whose common name includes the word "violet". But not other "violets": Neither Streptocarpus sect. Saintpaulia ("African violets", Gesneriaceae) nor Erythronium dens-canis ("dogtooth violets", Liliaceae) are related to Viola.
Sources: en.wikipedia.org
In evolution, the most important role of such chromosomal rearrangements may be to accelerate the divergence of a population into new species by making populations less likely to interbreed, thereby preserving genetic differences between these populations. Sequences of DNA that can move about the genome, such as transposons, make up a major fraction of the genetic material of plants and animals, and may have been important in the evolution of genomes. For example, more than a million copies of the Alu sequence are present in the human genome, and these sequences have now been recruited to perform functions such as regulating gene expression. Another effect of these mobile DNA sequences is that when they move within a genome, they can mutate or delete existing genes and thereby produce genetic diversity. Nonlethal mutations accumulate within the gene pool and increase the amount of genetic variation. The abundance of some genetic changes within the gene pool can be reduced by natural selection, while other "more favorable" mutations may accumulate and result in adaptive changes.
Psychedelic culture includes manifestations such as psychedelic music, psychedelic art, psychedelic literature, psychedelic film, and psychedelic festivals. Examples of psychedelic music are found in the work of 1960s rock bands like the Grateful Dead, Jefferson Airplane, The 13th Floor Elevators, and Syd Barrett-era Pink Floyd. Many psychedelic bands and elements of the psychedelic subculture originated in San Francisco during the mid to late 1960s.
== Metabolism == As of 2006, five biosynthesis pathways had been reported for trehalose. The most common pathway is TPS/TPP pathway which is used by organisms that synthesize trehalose using the enzyme trehalose-6-phosphate (T6P) synthase (TPS). As of 2006, this was the only known synthetic pathway in fungi, plants and invertebrates. Second, trehalose synthase (TS) in certain types of bacteria could produce trehalose by using maltose and another disaccharide with two glucose units as substrates. Third, the TreY-TreZ pathway in some bacteria converts starch that contain maltooligosaccharide or glycogen directly into trehalose. Fourth, in primitive bacteria, trehalose glycisyltransferring synthase (TreT) produces trehalose from ADP-glucose and glucose. Fifth, trehalose phosphorylase (TreP) either hydrolyses trehalose into glucose-1-phosphate and glucose or may act reversibly in certain species. Vertebrates do not have the ability to synthesize or store trehalose. Trehalase, an enzyme which metabolizes trehalose, is found in humans only in specific locations such as the intestinal mucosa, renal brush-border, liver and blood. Expression of this enzyme in vertebrates is initially found during the gestation period that is the highest after weaning. Afterwards the level of trehalase remains constant in the intestine throughout life. Diets consisting of plants and fungi contain trehalose.
SPINA-GR is a calculated biomarker for insulin sensitivity. It represents insulin receptor gain. The method of calculation is based on a time-discrete nonlinear feedback model of insulin-glucose homeostasis that is rooted in the MiMe-NoCoDI modeling platform for endocrine systems.
=== Rapid Gold BCA === This type of BCA assay seems to only be available from Thermo Fisher Scientific. Reportedly it uses "the same copper reduction method as the traditional BCA Protein Assay with a unique [proprietary] copper chelator.", that absorbs at 480 nm instead of 562 nm. This proprietor chelator and presumed optimized Biuret reaction formulation allows the assay to provide rapid (<5 min) results without the 37˚C+ incubation of the original BCA assay. However, the assay has a different interference profile from other non-protein components. The Pierce Quantitative Colorimetric Peptide Assay (now owned by and available from Thermo Fisher Scientific) appears to use a similar or identical 480 nm absorbing proprietary copper chelator.
Sources: en.wikipedia.org
== Introduction == Unlike epithelial cells – which are stationary and characterized by an apico-basal polarity with binding by a basal lamina, tight junctions, gap junctions, adherent junctions and expression of cell-cell adhesion markers such as E-cadherin, mesenchymal cells do not make mature cell-cell contacts, can invade through the extracellular matrix, and express markers such as vimentin, fibronectin, N-cadherin, Twist, and Snail. MET plays also a critical role in metabolic switching and epigenetic modifications. In general, epithelium-associated genes are upregulated and mesenchyme-associated genes are downregulated in the process of MET.
Homosexuality is illegal in Malaysia, and authorities have imposed punishments such as caning and imprisonment. Human trafficking and sex trafficking in Malaysia are significant problems. There have also been cases of vigilante executions and beatings against LGBT individuals in Malaysia. The illegality of homosexuality in Malaysia has also been the forefront of Anwar Ibrahim's sodomy trials, which Anwar has called politically motivated, a characterisation supported by the Working Group on Arbitrary Detention, along with Amnesty International and the Human Rights Watch. The death penalty is in use for serious crimes such as murder, terrorism, and drug trafficking, some of which were once mandatory. However, in July 2023, following the passing of the Abolition of Mandatory Death Penalty Act 2023, mandatory death penalty was abolished for all crimes in Malaysia, thereby allowing judges to impose the capital punishment at their own discretion and on a case-by-case basis. The new law also abolished all natural life imprisonment, replacing it with 30 to 40 years prison terms instead.
==== Dopamine synthesis enhancement ==== Although it is frequently labeled as a stimulant, bromantane is distinct in its pharmacology and effects relative to typical stimulants, such as the phenethylamines (e.g., amphetamine and its derivatives) and their structural analogues (e.g., methylphenidate, cocaine, mesocarb, etc.). Whereas the latter directly act on the dopamine transporter (DAT) to inhibit the reuptake and/or induce the release of dopamine, bromantane instead acts via indirect genomic mechanisms to produce a rapid, pronounced, and long-lasting upregulation in a variety of brain regions of the expression of tyrosine hydroxylase (TH) and aromatic L-amino acid decarboxylase (AAAD) (also known as DOPA decarboxylase), key enzymes in the dopamine biosynthesis pathway. For instance, a single dose of bromantane produces a 2–2.5 fold increase in TH expression in the rat hypothalamus 1.5–2 hours post-administration. The biosynthesis and release of dopamine subsequently increase in close correlation with TH and AAAD upregulation. Enhancement of dopaminergic neurotransmission is observed in the hypothalamus, striatum, ventral tegmental area, nucleus accumbens, and other regions. As such, the key mechanism of the pharmacological activity and psychostimulant effects of bromantane is activation of the de novo synthesis of dopamine via modulation of gene expression. A selection of quoted excerpts from the medical literature detail the differences between bromantane and typical stimulants:
== History == In the 1990s, clinafloxacin showed promise as a novel, broad-spectrum fluoroquinolone antibiotic. However, further clinical trials raised serious concerns regarding its safety in humans, citing dangerously low blood sugar, drug-induced light sensitivity, and multiple drug-drug interactions.
Sources: en.wikipedia.org
The names are often used interchangeably in casual writing, but they are not strictly identical. Modified GRF(1-29) refers to the unconjugated analogue carrying only the four substitutions. The version sold as CJC-1295 with DAC includes the albumin binding linker and clears much more slowly.
DAC stands for drug affinity complex, a term describing the maleimidopropionic acid linker. This group forms a covalent bond with the cysteine residue on serum albumin after administration. The resulting adduct is what extends the circulating half life from minutes to days.
No. It is entirely synthetic and does not correspond to any known endogenous peptide. The design starts from human growth hormone releasing hormone and introduces deliberate substitutions. Any biological effect comes from mimicking the natural hormone at its receptor.
It acts on the growth hormone-releasing hormone receptor found on pituitary somatotroph cells. Activation of that receptor triggers growth hormone release through a cyclic AMP dependent pathway.