The short version of angiogenesis fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2026-07-15 and is reviewed periodically as new material appears.
Common synonyms in catalogs include pentadecapeptide BPC 157, BPC157, and the full sequence name. A CAS registry number in the 137525-51-0 range is frequently listed, though the assignment should be verified against the supplier certificate of analysis. The name itself is not a pharmacopoeial designation, and there is no standardized international nonproprietary name. Distinguishing genuine material from related fragments generally requires mass spectrometry, since several truncated sequences share similar chromatographic behavior.
BPC-157 is a synthetic pentadecapeptide whose sequence is commonly given as Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. It is described in the literature as a fragment of a larger protein found in human gastric juice, referred to as body protection compound. The peptide was first characterized in the early 1990s by a research group in Zagreb, Croatia. Its molecular formula is C62H98N16O22 and its monoisotopic mass is approximately 1419 daltons.
Supplied material is typically a lyophilized white to off-white powder. The peptide is freely soluble in water and in common aqueous buffers, which allows it to be handled as a stock solution. Because the sequence contains no cysteine, disulfide cross-linking is not a route of degradation. The absence of aromatic residues means ultraviolet absorbance at 280 nm is minimal, so quantification usually relies on peptide bond absorbance near 214 nm or on amino acid analysis.
The sequence contains an unusually high proportion of proline and glycine, which limits regular secondary structure and contributes to solubility in aqueous media. The compound dissolves readily in water and in normal saline. Because it is a peptide, digestive enzymes are expected to break it down if it is swallowed, a consideration that influences the routes of administration used in animal experiments. Detailed conformational data remain limited, and published structural models are largely computational.
BPC 157 is a synthetic peptide built from fifteen amino acids. The letters stand for body protection compound, and the number is a laboratory code rather than a description of any biological feature. Its single-letter sequence is GEPPPGKPADDAGLV, which corresponds to a calculated mass near 1419.5 daltons. The material is produced by solid-phase peptide synthesis and is distributed as a lyophilized powder, not as a purified extract from a natural source.
| Property | Value | Notes |
|---|---|---|
| Appearance | White to off-white lyophilized powder | Assessed by visual inspection under ordinary laboratory lighting |
| Molecular mass | Approximately 1419 Da | Monoisotopic mass for the fifteen-residue sequence |
| Solubility class | Freely soluble in water | Stock solutions commonly prepared in water or aqueous buffer |
| Typical storage temperature | -20 °C or below, desiccated | Lyophilized powder; repeated freeze-thaw cycles are usually avoided |
| Common analytical method | Reversed-phase HPLC with UV detection | Frequently paired with mass spectrometry to confirm identity |
Doses in the literature are usually expressed in micrograms or nanograms per kilogram of body weight. Investigators have administered the peptide by several routes, including injection and oral delivery, depending on the question asked. Route and dose vary widely across studies, which complicates direct comparison of results. Many papers report effects at low doses, but the absence of a standardized protocol limits generalization. Reporting practice differs between research groups.
Some properties, such as the peptide's sequence and molecular mass, are firmly established. Other claims, particularly about mechanism and clinical benefit, remain open questions. Proposed mechanisms include effects on nitric oxide signaling and on cell migration, but these are hypotheses supported by limited evidence. Reviewers often note that the field lacks large controlled human trials. Positive animal findings are best treated as signals for further study rather than as settled conclusions.
Most published studies examine BPC-157 in animal models rather than in humans. Common subjects include rats and mice, and researchers often use models of tissue injury, surgery, or induced inflammation. Reported endpoints include healing rates, blood vessel formation, and markers of tissue repair. These designs provide controlled comparisons, but findings in animals do not automatically transfer to people. Human clinical data remain limited and are frequently described as preliminary.
In its common research form the peptide is supplied as a lyophilized powder. It dissolves readily in water and in typical aqueous buffers, which simplifies preparation of working solutions. Laboratories usually prepare small aliquots instead of one large volume. The dry material appears as a white to off-white solid with no distinctive odor. Bulk quantities are typically shipped in sealed vials.
Lyophilized material is generally kept cold, commonly at minus twenty degrees Celsius, and shielded from moisture and light. Solutions are less stable than the dry powder, so repeated freeze-thaw cycles are avoided by splitting the material into single-use portions. Published stability data for this particular peptide are limited, which means suggested hold times should be read as provisional. Long-term refrigeration of reconstituted solutions is not well supported by available evidence.
Capital punishment is a legal and enforced penalty in Singapore. The country is one of four in the developed world to retain the death penalty, along with the United States, Japan and Taiwan. Particularly, its use against drug trafficking has been a source of contention with non-governmental organisations such as Amnesty International and Human Rights Watch. The government has responded that it has "no doubts" that it is the right policy and that there is "clear evidence" of serious deterrence, and that the law should be looked at upon in the wider context of "saving lives", particularly citizens. In 2004, Amnesty International claimed that some legal provisions of the Singapore system for the death penalty conflict with "the right to be presumed innocent until proven guilty". The government has disputed Amnesty's claims, stating that their "position on abolition of the death penalty is by no means uncontested internationally" and that the report contains "grave errors of facts and misrepresentations". From 1938 to 2023, sexual relations between men were technically illegal under Section 377A of the Penal Code, first introduced during British colonial rule. During the last few decades, this law was mostly unenforced and pressure to repeal it increased as homosexuality became more accepted by Singaporean society. Meanwhile, sexual relations between women had always been legal. In 2022, Prime Minister Lee Hsien Loong announced that Singapore would repeal 377A, effectively decriminalising homosexual behaviour.
In most vertebrates, including amphibians, birds, reptiles, egg-laying mammals, and some fish, the gastrointestinal tract ends in a cloaca and not an anus. In the cloaca, the urinary system is fused with the genito-anal pore. Therians (all mammals that do not lay eggs, including humans) possess separate anal and uro-genital openings. The females of the subgroup Placentalia have even separate urinary and genital openings. During early development, the asymmetric position of the bowels and inner organs is initiated (see also axial twist theory). Ruminants show many specializations for digesting and fermenting tough plant material, consisting of additional stomach compartments, and the ability to regurgitate partially digested food material for further chewing (aka "chewing cud"). Many birds and other animals have a specialised stomach in the digestive tract called a gizzard used for grinding up food. Another feature found in a range of animals is the crop. In birds this is found as a pouch alongside the esophagus. In 2020, the oldest known fossil digestive tract, of an extinct wormlike organism in the Cloudinidae was discovered; it lived during the late Ediacaran period about 550 million years ago.
=== Biological sources and degradation === Lipoic acid is present in many foods in which it is bound to lysine in proteins, but slightly more so in kidney, heart, liver, spinach, broccoli, and yeast extract. Naturally occurring lipoic acid is always covalently bound and not readily available from dietary sources. In addition, the amount of lipoic acid present in dietary sources is low. For instance, the purification of lipoic acid to determine its structure used an estimated 10 tons of liver residue, which yielded 30 mg of lipoic acid. As a result, all lipoic acid available as a supplement is chemically synthesized. Baseline levels (prior to supplementation) of RLA and R-DHLA have not been detected in human plasma. RLA has been detected at 12.3−43.1 ng/mL following acid hydrolysis, which releases protein-bound lipoic acid. Enzymatic hydrolysis of protein bound lipoic acid released 1.4−11.6 ng/mL and <1-38.2 ng/mL using subtilisin and alcalase, respectively. Digestive proteolytic enzymes cleave the R-lipoyllysine residue from the mitochondrial enzyme complexes derived from food but are unable to cleave the lipoic acid-L-lysine amide bond. Both synthetic lipoamide and (R)-lipoyl-L-lysine are rapidly cleaved by serum lipoamidases, which release free (R)-lipoic acid and either L-lysine or ammonia. Little is known about the degradation and utilization of aliphatic sulfides such as lipoic acid, except for cysteine. Lipoic acid is metabolized in a variety of ways when given as a dietary supplement in mammals.
Chemical Formula: C24H44O6 HLB Value: 4.3; suitable for water-in-oil (W/O) emulsions. Soluble in warm water and has good dispersibility in organic solvents such as ethanol and ethyl acetate. Physical Form: Amber liquid Fatty acid composition: Oleic acid (C18:1) ≤ 60%; balance primarily linoleic (C18:2), linolenic (C18:3) and palmitic (C16:0) acids. At high concentrations, sorbitan monooleate can increase the viscosity of the emulsion, which can further enhance stability by reducing the movement of dispersed droplets. When combined with other surfactants, especially those with higher HLB values like Tween 80, sorbitan monooleate can contribute to the overall stability of oil-in-water (O/W) emulsions. This combination allows for the creation of emulsifying systems with various HLB values, enabling the emulsification of a wide range of oils and waxes.
=== 2000–2005 === In 2000, the company acquired Hitech Pathology (Victoria) that merged with Melbourne Pathology. In 2001, Sonic Healthcare acquired Castlereagh Imaging (New South Wales), Castlereagh Imaging Hong Kong (HK), Hunter Imaging Group (New South Wales), Illawarra Radiology Group (New South Wales), Canterbury Medical Imaging (New Zealand), Palmerston North X-Ray (New Zealand), (through Sullivan Nicolaides Pathology) Consultant Pathologists in Townsville (Queensland) and Cairns Pathology Laboratory (Queensland), Queensland X-Ray Group, Illawarra Medical Laboratories (New South Wales), Clinipath Pathology (Western Australia), La Trobe Pathology (Victoria) and Bunbury Pathology (Western Australia) from Foundation Healthcare, and SKG Radiology (Western Australia's largest private diagnostic imaging practice). In 2002, the company acquired The Doctors Laboratory, Britain's largest private pathology practice. Through Sullivan Nicolaides the company acquired the practice of Tom Lynch in Rockhampton (Queensland). Through SKG Radiology, the company acquired Fremantle Radiology (Western Australia). Sonic Healthcare acquired Richard Haskell's NSW Central Coast Pathology practice in 2003, along with the Southside Diagnostic Services Group in Brisbane. In the UK, the company acquired Omnilabs Pathology, merging it into The Doctors Laboratory.
Sources: en.wikipedia.org
=== Approved drugs === Escitalopram (Cipralex; Entact; Lexapro; LU-26054; MLD-55; (S)-citalopram; Seroplex; Sipralex; Sipralexa) – selective serotonin reuptake inhibitor (SSRI) [14] Fluoxetine (LY-110140; Prozac; Reneuron; Sarafem) – selective serotonin reuptake inhibitor (SSRI) [15] Fluoxetine (Fluoxetine Tablets) – selective serotonin reuptake inhibitor (SSRI) [16] Paroxetine (Aropax; BRL-29060; Deroxat; Divarius; FG-7051; Frosinor; Motivan; NNC-207051; Paxil; Seroxat; SI-211103; Tagonis) – selective serotonin reuptake inhibitor (SSRI) [17] Paroxetine (Dropax; Dropaxin; Serestill) – selective serotonin reuptake inhibitor (SSRI) [18] Sertraline (Aremis; Besitran; CP-51974; Gladem; Lustral; Serad; Serlain; Tatig; Zoloft) – selective serotonin reuptake inhibitor (SSRI) [19] Venlafaxine (Dobupal; Efexor XR; Effexor; Effexor XR; Elafax; WY-45030; WY-45651; WY-45655) – serotonin–norepinephrine reuptake inhibitor (SNRI) [20]
== Location == Using radioimmunoassay and immunocytochemistry, endomorphins have been localized within the nervous systems of humans, mice, rats, and monkeys. Both endomorphin tetrapeptides are abundant in the human neocortex. Endomorphin-1 can be found in the hypothalamus and thalamus of the diencephalon, and in the striatum and lateral septum of the telencephalon. In the hindbrain, endomorphin-1-reactive neurons are more abundant than are those immunoreactive for endomorphin-2. Endomorphin-2 is predominantly found in the spinal cord, specifically in presynaptic terminals of afferent neurons in the dorsal horn region. It has been found co-localized with calcitonin and with the pain-conveying neurotransmitter, substance P. Neither endomorphin-1 nor endomorphin-2 has been identified in the amygdala or the hippocampus.
With use, muscles consume energy derived from both fat and glycogen. Due to the large size of leg muscles, walking, running and cycling are the most effective means of exercise to reduce body fat. Exercise affects macronutrient balance. During moderate exercise, equivalent to a brisk walk, there is a shift to greater use of fat as a fuel. To maintain health, the American Heart Association recommends a minimum of 30 minutes of moderate exercise at least 5 days a week. The Cochrane Collaboration found that exercising alone led to limited weight loss. In combination with diet, however, it resulted in a 1 kilogram weight loss over dieting alone. A 1.5 kilograms (3.3 pounds) loss was observed with a greater degree of exercise. Even though exercise as carried out in the general population has only modest effects, a dose response curve is found and very intense exercise can lead to substantial weight loss. During 20 weeks of basic military training with no dietary restriction, obese military recruits lost 12.5 kg (28 lb). High levels of physical activity seem to be necessary to maintain weight loss. A pedometer appears useful for motivation. Over an average of 18-weeks of use, physical activity increased by 27% resulting in a 0.38 decrease in BMI. Signs that encourage the use of stairs as well as community campaigns have been shown to be effective in increasing exercise in a population. The city of Bogotá, Colombia, for example, blocks off 113 kilometers (70 mi) of roads every Sunday and on holidays to make it easier for its citizens to get exercise.
==== Agricultural workers ==== Arsenic exposure remains a major concern in agricultural communities that rely on untreated groundwater for crop irrigation and drinking. Studies have found higher urinary arsenic levels among farm workers exposed to contaminated well water and pesticides.
Sources: en.wikipedia.org
It is a synthetic peptide built from fifteen amino acids, with a mass of roughly 1419 daltons. The sequence is reported to match a fragment of a protein present in human gastric juice. It is not a naturally circulating hormone.
It is normally supplied as a lyophilized powder in a sealed vial. The powder dissolves readily in water, and stock solutions are typically prepared shortly before use. Cold storage is standard laboratory practice.
The letters are generally read as shorthand for body protection compound. That label comes from the original research context rather than from formal nomenclature. No standardized nonproprietary name exists for the peptide.
It is a synthetic peptide. Its design was inspired by a fragment of a protein found in human gastric juice, but the fifteen-amino-acid molecule itself is made in a laboratory and is not a normal component of food or of human tissue in appreciable amounts.