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8β-VE2
8β-VE2, or 8β-vinylestradiol, also known as 8β-vinylestra-1,3,5(10)-triene-3β,17β-diol, is a synthetic compound, synthetic estrogen (medication), estrogen featuring an estradiol (medication), estradiol core. It is a highly potency (pharmacology), potent and binding selectivity, selective agonist of the ERβ that is used in scientific research to study the function of the ERβ. It has 190-fold higher potency (pharmacology), potency in transactivation bioassay, assays of the ERβ relative to the ERα and 93- (rat) and 180-fold (human) preference in binding affinity for the ERβ over the ERα. In rodents, 8β-VE2 stimulates follicular growth and to a comparable extent as estradiol, whereas the highly ERα-selective agonist 16α-LE2 has no effect on ovarian follicle development, indicating that the ERβ and not the ERα is involved in the effects of estrogen on ovarian follicles. In contrast, 16α-LE2 stimulates uterus, uterine weight, whereas 8β-VE2 has no effect, indicating th ...
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16α-LE2
16α-LE2, or 16α-lactone-estradiol, also known as 3,17β-dihydroxy-19-nor-17α-pregna-1,3,5-(10)-triene-21,16α-lactone, is a synthetic compound, synthetic, steroidal estrogen featuring an estradiol core. It is a highly potent and selective agonist of the ERα that is used in scientific research to study the function of the ERα. It has 265-fold higher potency (pharmacology), potency in transactivation bioassay, assays of the ERα relative to the ERβ and 70-fold preference in binding affinity for the ERα over the ERβ. In rodents, 16α-LE2 has no effect on ovarian follicle development, whereas the highly ERβ-selective agonist 8β-VE2 stimulates follicular growth and to a comparable extent as estradiol, indicating that the ERβ and not the ERα is involved in the effects of estrogen on ovarian follicles. In contrast, 16α-LE2 stimulates uterus, uterine weight, whereas 8β-VE2 has no effect, indicating that the ERα and not the ERβ is involved in the effects of estrogen on the ...
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FERb 033
FERb 033 is a synthetic, nonsteroidal estrogen that was synthesized in 2009 and is used in scientific research. It is a potent and selective ERβ agonist (Ki = 7.1 nM, EC50 = 4.8 nM), with 62-fold selectivity for the ERβ over the ERα. See also * 8β-VE2 * Diarylpropionitrile * ERB-196 * Erteberel * Prinaberel * WAY-166818 * WAY-200070 WAY-200070 is a synthetic compound, synthetic, nonsteroidal, highly binding selectivity, selective agonist of ERβ. It possesses 68-fold selectivity for ERβ over ERα (EC50, EC50 = 2 nM and 155 nM, respectively). WAY-200070 has been found to enh ... * WAY-214156 References Chloroarenes Fluoroarenes Aldoximes Selective ERβ agonists Synthetic estrogens Phenols Biphenyls {{genito-urinary-drug-stub ...
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Estradiol (medication)
Estradiol (E2) is a medication and naturally occurring steroid hormone. It is an estrogen and is used mainly in menopausal hormone therapy and to treat hypogonadism, low sex hormone levels in women. It is also used in hormonal contraception, hormonal birth control for women, in feminizing hormone therapy for transgender women and some Non-binary gender, non-binary individuals, and in the treatment of hormone-sensitive cancers like prostate cancer in men and breast cancer in women, among other uses. Estradiol can be taken oral administration, by mouth, sublingual administration, held and dissolved under the tongue, as a gel or transdermal patch, patch that is transdermal, applied to the skin, intravaginal administration, in through the vagina, by intramuscular injection, injection into muscle or subcutaneous injection, fat, or through the use of an subcutaneous implant, implant that is placed into fat, among other route of administration, routes. Side effects of estradiol in ...
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ERB-196
ERB-196, also known as WAY-202196, is a synthetic nonsteroidal estrogen that acts as a highly selective agonist of the ERβ Estrogen receptor beta (ERβ) also known as NR3A2 (nuclear receptor subfamily 3, group A, member 2) is one of two main types of estrogen receptor—a nuclear receptor which is activated by the sex hormone estrogen. In humans ERβ is encoded by t .... It possesses 78-fold selectivity for the ERβ over the ERα. The drug was under development by Wyeth for the treatment of inflammation and sepsis starting in 2004 but development was discontinued by 2011. See also * 8β-VE2 * Diarylpropionitrile * FERb 033 * Prinaberel * WAY-166818 * WAY-200070 * WAY-214156 References External links ERB-196 - AdisInsight
Hydroxyarenes Fluoroarenes Naphthalenes Nitriles Selective ERβ agonists Synthetic estrogens {{genito-urinary-drug-stub ...
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Diarylpropionitrile
Diarylpropionitrile (DPN), also known as 2,3-bis(p-hydroxyphenyl)propionitrile (2,3-BHPPN), is a synthetic, nonsteroidal, and highly selective agonist of ERβ ( IC50 = 15 nM) that is used widely in scientific research to study the function of this receptor. It is 70-fold more selective for ERβ over ERα, and has 100-fold lower affinity for GPER (GPR30) relative to estradiol. DPN produces antidepressant- and anxiolytic-like effects in animals via activation of the endogenous oxytocin system. First reported in 2001, DPN was the first selective ERβ agonist to be discovered, and was followed by prinaberel (ERB-041, WAY-202041), WAY-200070, and 8β-VE2 in 2004, ERB-196 (WAY-202196) in 2005, and certain phytoestrogens like liquiritigenin and nyasol (''cis''-hinokiresinol) since 2007. DPN is a racemic mixture of two enantiomers, (R)-DPN and (S)-DPN. Relative to (R)-DPN, (S)-DPN has between 3- and 7-fold higher affinity for ERβ and appears to have higher intrinsic activity in activat ...
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ERβ
Estrogen receptor beta (ERβ) also known as NR3A2 (nuclear receptor subfamily 3, group A, member 2) is one of two main types of estrogen receptor—a nuclear receptor which is activated by the sex hormone estrogen. In humans ERβ is encoded by the ''ESR2'' gene. Function ERβ is a member of the family of estrogen receptors and the superfamily of nuclear receptor transcription factors. The gene product contains an N-terminus, N-terminal DNA binding domain and C-terminus, C-terminal ligand binding domain and is localized to the nucleus, cytoplasm, and mitochondria. Upon binding to 17-β-estradiol, estriol or related ligands, the encoded protein forms homo-dimers or hetero-dimers with estrogen receptor alpha, estrogen receptor α that interact with specific DNA sequences to activate transcription. Some isoforms dominantly inhibit the activity of other estrogen receptor family members. Several alternatively spliced transcript variants of this gene have been described, but the ...
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Androgenic
An androgen (from Greek ''andr-'', the stem of the word meaning ) is any natural or synthetic steroid hormone that regulates the development and maintenance of male characteristics in vertebrates by binding to androgen receptors. This includes the embryological development of the primary male sex organs, and the development of male secondary sex characteristics at puberty. Androgens are synthesized in the testes, the ovaries, and the adrenal glands. Androgens increase in both males and females during puberty. The major androgen in males is testosterone. Dihydrotestosterone (DHT) and androstenedione are of equal importance in male development. DHT ''in utero'' causes differentiation of the penis, scrotum and prostate. In adulthood, DHT contributes to balding, prostate growth, and sebaceous gland activity. Although androgens are commonly thought of only as male sex hormones, females also have them, but at lower levels: they function in libido and sexual arousal. Androgens are t ...
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Testosterone
Testosterone is the primary male sex hormone and androgen in Male, males. In humans, testosterone plays a key role in the development of Male reproductive system, male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of androgenic hair, body hair. It is associated with increased aggression, sex drive, Dominance hierarchy, dominance, courtship display, and a wide range of behavioral characteristics. In addition, testosterone in both sexes is involved in health and well-being, where it has a significant effect on overall mood, cognition, social and sexual behavior, metabolism and energy output, the cardiovascular system, and in the prevention of osteoporosis. Insufficient levels of testosterone in men may lead to abnormalities including frailty, accumulation of adipose fat tissue within the body, anxiety and depression, sexual performance issues, and bone loss. Excessiv ...
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Anabolic
Anabolism () is the set of metabolic pathways that construct macromolecules like DNA or RNA from smaller units. These reactions require energy, known also as an endergonic process. Anabolism is the building-up aspect of metabolism, whereas catabolism is the breaking-down aspect. Anabolism is usually synonymous with biosynthesis. Pathway Polymerization, an anabolic pathway used to build macromolecules such as nucleic acids, proteins, and polysaccharides, uses condensation reactions to join monomers. Macromolecules are created from smaller molecules using enzymes and cofactors. Energy source Anabolism is powered by catabolism, where large molecules are broken down into smaller parts and then used up in cellular respiration. Many anabolic processes are powered by the cleavage of adenosine triphosphate (ATP). Anabolism usually involves reduction and decreases entropy, making it unfavorable without energy input. The starting materials, called the precursor molecules, are joi ...
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Muscle Hypertrophy
Muscle hypertrophy or muscle building involves a hypertrophy or increase in size of skeletal muscle through a growth in size of its component cells. Two factors contribute to hypertrophy: sarcoplasmic hypertrophy, which focuses more on increased muscle glycogen storage; and myofibrillar hypertrophy, which focuses more on increased myofibril size. It is the primary focus of bodybuilding-related activities. Hypertrophy stimulation A range of stimuli can increase the volume of muscle cells. These changes occur as an adaptive response that serves to increase the ability to generate force or resist fatigue in anaerobic conditions. Strength training Strength training (resistance training) causes neural and muscular adaptations which increase the capacity of an athlete to exert force through voluntary muscular contraction: After an initial period of neuro-muscular adaptation, the muscle tissue expands by creating sarcomeres (contractile elements) and increasing non-contractile ele ...
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Protein Synthesis
Protein biosynthesis, or protein synthesis, is a core biological process, occurring inside cells, balancing the loss of cellular proteins (via degradation or export) through the production of new proteins. Proteins perform a number of critical functions as enzymes, structural proteins or hormones. Protein synthesis is a very similar process for both prokaryotes and eukaryotes but there are some distinct differences. Protein synthesis can be divided broadly into two phases: transcription and translation. During transcription, a section of DNA encoding a protein, known as a gene, is converted into a molecule called messenger RNA (mRNA). This conversion is carried out by enzymes, known as RNA polymerases, in the nucleus of the cell. In eukaryotes, this mRNA is initially produced in a premature form (pre-mRNA) which undergoes post-transcriptional modifications to produce mature mRNA. The mature mRNA is exported from the cell nucleus via nuclear pores to the cytoplasm of the c ...
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Insulin-like Growth Factor 1
Insulin-like growth factor 1 (IGF-1), also called somatomedin C, is a hormone similar in tertiary structure, molecular structure to insulin which plays an important role in childhood growth, and has Anabolism, anabolic effects in adults. In the 1950s IGF-1 was called "sulfation factor" because it stimulated sulfation of cartilage in vitro, and in the 1970s due to its effects it was termed "nonsuppressible insulin-like activity" (NSILA). IGF-1 is a protein that in humans is Genetic code, encoded by the ''IGF1'' gene. IGF-1 consists of 70 amino acids in a single chain with three intramolecular reaction, intramolecular disulfide bridges. IGF-1 has a molecular weight of 7,649 Dalton (unit), daltons. In dogs, an ancient mutation in IGF1 is the primary cause of the Toy dog, toy phenotype. IGF-1 is produced primarily by the liver. Production is stimulated by growth hormone (GH). Most of IGF-1 is bound to one of 6 binding proteins (IGF-BP). IGFBP-1 is regulated by insulin. IGF-1 is pro ...
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