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Chorionic gonadotropin (HCG) is a glycoprotein hormone secreted by the trophoblast cells of the placenta. CAS 9002-61-3, molecular formula C17H28, molecular weight 232.40422. HUCG lyophilized belongs to the gonadotropin (GTH) family and has various biological activities, playing an important role in human reproductive physiology and early embryonic development. GTH has multiple biological activities. Firstly, peptide hormone can stimulate the development and maturation of supportive organs such as ovaries and testes. In women, powder can promote the development of the CL in the ovaries, increase the synthesis and secretion of estrogen and progesterone, and provide a suitable internal environment for embryo implantation. In males, peptide can stimulate the differentiation of spermatogenic cells and the production of sperm in the testes. In addition, Buy peptide can promote the growth and differentiation of embryonic trophoblast cells, which is beneficial for embryo implantation and early embryonic development. Shaanxi Aike Chemical Technology Co., Ltd. sells peptide. If you would like to know the price of 5000iu hcg and how to use HUCG, please send us an email.
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5000iu hucg is a glycoprotein composed of two different subunits (alpha and beta) linked by disulfide bonds. Among them, the α subunit is common among all gonadotropins, while the β subunit is specific. The beta subunit of hucg buy contains a specific amino acid sequence and sugar chain, giving it similar biological activity to LH (luteinizing hormone) and FSH (folliculus-stimulating hormone).
Chorionic Gonadotropin (CG) is a glycoprotein hormone secreted by the trophoblast cells of the placenta. It belongs to the Gonadotropins (GTH) family and has various biological activities, playing an important role in human reproductive physiology and early embryonic development. HUCG peptide have a wide range of applications in the medical field, and the following are some of their main uses:
HUCG peptides online have a wide range of applications in the medical field, and the following are some of their main uses:
Pregnancy diagnosis:
HUCG lyophilized is a glycoprotein secreted by the trophoblast cells of the placenta during conception. Therefore, in the first 8 weeks of conception, conception can be determined by measuring the levels of HUCG in serum or urine. This is also the working principle of early conception test strips and conception test rods.
Auxiliary diagnosis of ectopic pregnancy and threatened miscarriage:
The level and doubling rate of serum HUCG are very helpful for the diagnosis and observation of ectopic conception and threatened miscarriage. If the HUCG level is low or the growth rate is slow, it may indicate the risk of ectopic conception or threatened miscarriage.
Fetal development monitoring:
During normal conception, HUCG levels will change as conception progresses. By monitoring the level of HUCG, the development of the fetus can be evaluated, such as the presence of developmental delay.
Treatment of pregnancy related diseases:
Some conception related diseases such as preeclampsia, gestational diabetes, etc. can be guided by monitoring the level of HUCG.
Infertility treatment:
In some infertility treatments, such as assisted reproductive techniques such as in vitro fertilization (IVF), HUCG is also used to promote follicular development and maturation.
Diagnosis and treatment of precocious puberty and other endocrine diseases:
By measuring HUCG levels, it can help diagnose and treat some precocious puberty and other endocrine diseases.
Chorionic Gonadotropin (CG) is a glycoprotein hormone secreted by the trophoblast cells of the placenta. It belongs to the Gonadotropins (GTH) family and has various biological activities, playing an important role in human reproductive physiology and early embryonic development. The following are the biological activities of HUCG:
1. Stimulation supports the development and maturation of gonadal organs
CG mainly act on the ovaries in women, stimulating the growth and maturation of folliculus, and increasing the synthesis and secretion of estrogen and progesterone. These hormons are crucial for maintaining conception and embryo implantation. In males, CG can stimulate the differentiation of spermatogenic cells and sperm production in the testes, promoting the occurrence and maturation of sperm.
2. Promote the growth and differentiation of embryonic trophoblasts
CG play an important role in embryo implantation and early embryonic development. It can promote the growth and differentiation of the embryonic trophoblast, providing sufficient nutrition and protection for the embryo. During conception, the level of CG is closely related to fetal development and implantation status.
3. Regulating the hypothalamic pituitary ovarian axis
The secretion of CG is regulated by the hypothalamic pituitary ovarian axis. In women, gonadotropin releasing hormon (GnRH) stimulates the secretion of folliculus stimulating hormon (FSH) and luteinizing hormon (LH) by anterior pituitary cells, thereby stimulating the secretion of estrogen and progesterone by the ovaries. These hormons can provide feedback and regulate the activity of the hypothalamus and pituitary gland, controlling the secretion of gonadal hormons.
4. Promote embryo implantation
In early conception, CG can promote the proliferation and differentiation of the endometrium, providing a suitable internal environment for embryo implantation. At the same time, it can also promote the growth and differentiation of embryonic trophoblasts, help embryos better adapt to the environment in the uterus, and improve the success rate of implantation.
5. Maintaining conception
During conception, CG can maintain CL function and maintain conception status. It can promote the synthesis and secretion of estrogen and progesterone, providing a stable growth environment for embryos. At the same time, CG can also stimulate the excitability of uterine smooth muscle, maintain normal contractile function of the uterus, and ensure the safe development of the fetus.
Chorionic Gonadotropin (HUCG) is a glycoprotein hormone secreted by the trophoblast cells of the placenta. It belongs to the gonadotropins (GTH) family, has a variety of biological activities, and plays an important role in human reproductive physiology and early embryonic development. The following are the biological activities of HUCG:
CG mainly acts on the ovaries in women, stimulating the growth and maturation of folliculus and increasing the synthesis and secretion of estrogen and progesterone. These hormons are critical for maintaining conception and implantation of the embryo. In the male body, CG can stimulate the differentiation of spermatogenic cells and sperm production in the testicles, and promote the occurrence and maturation of sperm.
CG plays an important role during embryo implantation and early embryonic development. It can promote the growth and differentiation of embryonic trophoblast and provide adequate nutrition and protection for embryos. During conception, CG levels are closely related to fetal development and implantation.
The secretion of CG is regulated by the hypothalamic-pituitary-ovarian axis. In women, gonadotropin-releasing hormone (GnRH) stimulates cells in the anterior pituitary gland to secrete folliculus-stimulating hormone (FSH) and luteinizing hormone (LH), which in turn stimulates the ovaries to secrete estrogen and progesterone. These hormons can feedback regulate the activity of the hypothalamus and pituitary gland, controlling the secretion of gonadal hormons.
In early conception, CG can promote the proliferation and differentiation of the endometrium and provide a suitable internal environment for embryo implantation. At the same time, it can also promote the growth and differentiation of the embryo's trophoblast, help the embryo better adapt to the environment in the womb, and improve the success rate of implantation.
During conception, CG can maintain luteal function and maintain conception. It can promote the synthesis and secretion of estrogen and progesterone and provide a stable growth environment for the embryo. At the same time, HUCG can also stimulate the excitability of uterine smooth muscle, maintain the normal contraction function of the uterus, and ensure the safe development of the fetus.
Human chorionic gonadotropin (HCG) is often used in combination with drugs such as triptorelin, progesterone, gonadotropins, clomiphene, aspirin, etc. to achieve more precise ovulation control, conception support, or treatment of specific diseases, but it is necessary to strictly follow medical advice and monitor adverse reactions. The following are common regimens and mechanisms of action for HCG combination therapy:
Combination therapy in assisted reproductive technology
Function: Triptoline is a gonadotropin-releasing hormon agonist that can inhibit pituitary secretion of gonadotropins and prevent premature rupture of folliculus; Simulate the action of luteinizing hormone (LH) to promote folliculus maturation and ovulation. The combination of the two can accurately control ovulation time and improve the success rate of in vitro fertilization embryo transfer.
Target audience: Patients with polycystic ovary syndrome and those with poor response to previous ovulation induction.
Caution: Dosage should be adjusted through ultrasound and hormon level monitoring to avoid ovarian hyperstimulation syndrome (OHSS) or multiple pregnancies.
Function: Progesterone supplements insufficient progesterone and supports the endometrial state to facilitate embryo implantation; Stimulate progesterone secretion from the CL to maintain early pconception. The synergy of the two can enhance conception support and reduce the risk of miscarriage.
Applicable population: patients with luteal insufficiency and recurrent miscarriage.
Attention: The dosage should be adjusted according to the serum hormon level, and patients with ovarian hyperstimulation syndrome should reduce the dosage of progesterone.
Function: Gonadotropins (such as human gonadotropin HMG) promote folliculus growth and trigger ovulation. Sequential use can increase the quantity and quality of retrieved eggs.
Target audience: Patients with low ovarian reserve or ovulation disorders.
Attention: It is necessary to strictly monitor follicular development to avoid OHSS.
Combination therapy for treating specific diseases
CG+Clomiphene
Function: Clomiphene is an oral ovulation inducing drug that promotes follicular development by competitively binding to estrogen receptors; HCG triggers ovulation after folliculus maturation. The combination of the two can increase ovulation rate.
Target audience: Patients with anovulatory infertility.
Attention: The dosage needs to be adjusted to reduce the risk of multiple pregnancies.
CG+Aspirin
Function: Aspirin improves pelvic blood circulation and increases endometrial receptivity; Promote follicular development and ovulation. Combined use can increase conception rates.
Target audience: Patients with repeated implantation failures or thin endometrium.
Attention: It is necessary to monitor coagulation function to avoid the risk of bleeding.
CG+immunosuppressive agents (such as prednisone)
Function: Immunosuppressants regulate the immune balance at the maternal fetal interface and reduce embryo rejection; Maintain luteal function during conception. Combined use can improve immune infertility or recurrent miscarriage.
Target audience: Infertility patients caused by autoimmune diseases.
Attention: Long term monitoring of immune indicators and fetal development is required.
Combination therapy in male reproductive health
CG + HMG
Function:
HMG stimulates the production of testosterone in the testes, promoting sperm production; Simulate the effect of LH and enhance testosterone secretion. The combination of the two can treat male hypogonadism or azoospermia.
Target audience:
Patients with hypogonadotropic hypogonadism.
Attention:
Regular monitoring of testosterone levels and sperm quality is required.
Chorionic gonadotropin (CG) is a glycoprotein hormone produced by the placenta, consisting of two subunits, alpha and beta, in its chemical structure. The alpha subunit is similar to the alpha subunit of luteinizing hormone (LH), folliculus stimulating hormone (FSH), and thyroid stimulating hormon (TSH), while the beta subunit endows HUCG with its unique biological activity. This structure enables CG to bind to LH receptors, simulating the action of LH and playing a crucial role in the reproductive process. The discovery of HUCG can be traced back to the early 20th century, when scientists first detected a substance with gonadotropic activity in the urine of pregnant women while studying physiological changes during conception. In 1927, German scientists Selmar Aschheim and Bernhard Zondek first isolated this substance from the urine of pregnant women and named it "CG". Their research found that CG can stimulate the ovaries of experimental animals to produce CL, thereby maintaining conception. This discovery laid the foundation for further research on HUCG. In the following decades, scientists conducted in-depth research on the chemical structure and biological activity of CG. In the 1950s, researchers successfully separated and purified the alpha and beta subunits of CG using electrophoresis and chromatography techniques, and revealed its amino acid sequence. In the 1970s, with the development of molecular biology technology, scientists cloned the gene of CG, further elucidating its molecular structure and function. These studies not only deepen people's understanding of CG, but also provide theoretical support for its application in the fields of medicine and biology.
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