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Kisspeptin-10 tablets are a reproductive health regulatory drug developed based on natural neuropeptides. Its core component is a decapeptide molecule secreted by the hypothalamus, which precisely regulates the hypothalamic pituitary gonadal axis (HPG axis) by activating the GPR54 receptor. This drug indirectly promotes the release of luteinizing hormone (LH) and follicle stimulating hormone (FSH) from the pituitary gland by stimulating the pulsatile secretion of gonadotropin-releasing hormone (GnRH), thereby regulating the synthesis and release of sex hormones such as testosterone and estrogen.
This drug demonstrates unique value in assisted reproductive technology. As an ovulation trigger for IVF cycles, precise regulation of LH peak can reduce the risk of ovarian hyperstimulation syndrome (OHSS), especially suitable for high response populations such as polycystic ovary syndrome (PCOS). In addition, it improves the success rate of pregnancy by regulating the expression of genes related to endometrial receptivity, optimizing the embryo implantation environment.
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Kisspeptin-10 (human) COA
Applications in the field of tumor research
Kisspeptin-10 tablets is an important biologically active peptide fragment encoded by the KISS1 gene. The KISS1 gene was first identified as a tumor suppressor gene in the study of malignant melanoma, opening up new directions for cancer research. The core mechanism by which it exerts its anti-cancer effect is through binding to the G protein coupled receptor GPR54 (also known as KISS1R), thereby regulating the migration ability of tumor cells.
In the research of breast cancer, it has shown significant anti metastasis characteristics.
Experiments have shown that it can significantly inhibit the metastatic ability of MDA-MB-435 cells, which greatly promotes the enthusiasm and deep exploration of researchers in the field of tumor metastasis.
Through in-depth analysis at the mechanism level, a multi-level complex regulatory network has been formed by regulating various non coding RNAs, such as the miR-200 family, miR-345, and miR-577. In the study of glioblastoma (GBM), this peptide maintained E-cadherin mediated intercellular adhesion by inhibiting the expression of the target gene ZEB1 of the miR-200 family.
E-cadherin plays a crucial role in intercellular adhesion, and the normal maintenance of its expression can effectively inhibit epithelial mesenchymal transition (EMT) process.
EMT is an important process for tumor cells to acquire migration and invasion abilities, and inhibiting EMT can effectively prevent tumor metastasis. Meanwhile, miR-345 downregulates the expression of anti apoptotic protein BCL2, activates the caspase-3/8/9 cascade reaction, and induces apoptosis in tumor cells. The experimental data further confirmed its effectiveness. After processing, the expression levels of EMT markers such as Vimentin and N-cadherin in GBM cells decreased by more than 60%, while the cleavage activity of Caspase-3 increased threefold, fully demonstrating its powerful role in inhibiting tumor metastasis and inducing tumor cell apoptosis.
Regulation of tumor microenvironment
Plays a dual role in regulating the tumor microenvironment, involving multiple aspects such as tumor angiogenesis and immune microenvironment.
In terms of tumor angiogenesis, different types of tumors exhibit different roles. In the bone metastasis model of breast cancer, this polypeptide can promote the differentiation of osteoclasts and accelerate the bone absorption process by up regulating the expression of RANKL (nuclear factor kappa B receptor activator ligand). Although this mechanism is related to the progression of tumors in the bone, it provides a new perspective for a deeper understanding of the microenvironment of bone metastasis.
It is worth noting that gliomas exhibit anti angiogenic properties. It reduces tumor vascular density by 45% by inhibiting the VEGF (vascular endothelial growth factor) signaling pathway. This seemingly contradictory phenomenon may be related to the differential expression of specific receptors in different tumor types. The expression level and activity of GPR54 receptors on the surface of different tumor cells may vary, leading to different biological effects.
In terms of immune regulation, kp-10 can affect the polarization of tumor associated macrophages (TAMs).
In the study of HIV related neurocognitive disorders (HAND), it was found that this peptide inhibits HIV-1 Tat induced inflammatory cytokine release through the RhoA/ROCK pathway, resulting in a 50% -60% decrease in the levels of inflammatory cytokines such as IL-6 and TNF - α. This anti-inflammatory property is of great significance in the tumor microenvironment, as the inflammatory response in the tumor microenvironment is often closely related to tumor progression and immune escape. By reducing the secretion of immunosuppressive cytokines, Kisspeptin-10 tablets is possible to enhance the body's anti-tumor immune response, providing new ideas for tumor immunotherapy.
Development of diagnostic biomarkers:
Based on transcriptome analysis, researchers have discovered some genes related to their regulation in glioblastoma patients, such as CDK1, CDC20, etc. The expression levels of these genes are significantly correlated with the prognosis of patients. By constructing a prediction model containing 1401 differentially expressed genes, the accuracy of predicting patient survival can be improved to 82%, providing important reference for the prognosis evaluation of glioblastoma. In addition, the serum concentration in patients with bone metastases from breast cancer is 2.3 times higher than that in healthy people.
This finding suggests that serum concentration may be used as a liquid biopsy marker for bone metastases from breast cancer, providing a new method for early diagnosis of bone metastases from breast cancer.
Exploration of treatment strategies:
Targeted therapy targeting GPR54 receptors has become one of the hotspots in current cancer treatment research. In the breast cancer model, combined with CDK4/6 inhibitor, it showed a good synergistic anti-tumor effect. The experimental results showed that this combination therapy can reduce tumor volume by 75%, significantly better than the monotherapy group.
Further research has shown that this combination inhibits the growth and metastasis of tumor cells through multiple pathways by synchronously blocking the cell cycle and EMT processes, thereby producing a powerful anti-tumor effect. In the treatment of glioma, researchers have successfully achieved their goal of penetrating the blood-brain barrier by encapsulating it with nanoparticles. After this treatment, the growth inhibition rate of intracranial tumors increased to 68%, providing a new effective means for the treatment of gliomas.
Applications in the field of metabolic regulation
Regulation of reproductive energy metabolism
It plays an important role in the hypothalamic pituitary gonadal axis (HPG axis), which can integrate reproductive and energy metabolism signals and finely regulate the reproductive and energy balance of the body.
In poultry research, the effect of this peptide on reproductive energy metabolism has been fully demonstrated. Research has found that it can significantly increase the egg production rate of female quails, and its mechanism of action involves the regulation of key enzymes in liver lipid metabolism. Experiments have shown that continuous injection of kp-10 (1 nmol/d) can increase the expression level of fatty acid synthase (FAS) in quail liver by 2.3 times.
AS is a key enzyme in fatty acid synthesis, and an increase in its expression level promotes the synthesis of fatty acids. At the same time, it also promotes the synthesis of vitellogenin (VTG-II), which provides the necessary material basis for the formation of yolk through metabolic reprogramming, thereby increasing the egg production rate of quails.
In mammals, there are gender differences in the regulation of energy balance. After injection in male mice, the expression of POMC (opioid melanocortin precursor) in hypothalamic arcuate nucleus neurons was upregulated.
POMC neurons play an important role in regulating feeding behavior, and upregulation of their expression leads to a 15% reduction in food intake in mice. After injecting the peptide into female mice, energy expenditure increased by 12% by enhancing the thermogenic function of brown adipose tissue. This gender specific effect may be related to differences in estrogen receptor (ER α) - mediated signal transduction, as differences in hormone levels and receptor expression in animals of different genders result in varying metabolic regulatory effects of kp-10.
Obesity treatment:
kp-10 has potential application value in the treatment of obesity. By activating the GPR54 receptor, this peptide can promote browning of white adipose tissue. White adipose tissue is mainly responsible for storing energy, while brown adipose tissue has the function of producing heat and consuming energy. In a diet induced obesity mouse model, the expression level of UCP1 (uncoupling protein 1) in subcutaneous adipose tissue can be increased by three times.
UCP1 is a key protein involved in heat production in brown adipose tissue, and its increased expression promotes oxidative energy supply from fat while improving insulin sensitivity, resulting in a 28% decrease in fasting blood glucose levels in mice. Mechanism research reveals that enhancing mitochondrial biosynthesis through the AMPK/PGC-1 α pathway promotes energy metabolism in adipocytes, thereby achieving the goal of treating obesity.
Reprogramming of pregnancy metabolism:
Pregnancy is a special physiological process that requires the body to undergo a series of metabolic reprogramming to meet the growth needs of the fetus. During pregnancy, its levels undergo dynamic changes, optimizing the nutritional supply to the fetus by regulating the expression of placental nutrient transporters. In mid pregnancy, this peptide can increase the activity of system A amino acid transporters by 40%. System A amino acid transporters are responsible for transporting maternal amino acids to the fetus in the placenta, and their increased activity can meet the rapid growth needs of the fetus for amino acids.
At the same time, kp-10 reduces the utilization and production of glucose by inhibiting the expression of glucokinase in maternal liver, reduces the risk of diabetes during pregnancy, and ensures the health of mothers and infants.
Energy restriction stress:
Under stress conditions such as food shortages and energy limitations, the body needs to adjust its physiological functions to adapt to environmental changes.
Kisspeptin-10 tablets plays an important role in this process by activating hypothalamic KNDy neurons, inhibiting the activity of the reproductive axis, and prioritizing energy allocation to maintain basal metabolism, ensuring the survival of the body in harsh environments. This physiological adaptation mechanism is particularly evident in seasonal breeding animals, such as sheep, where the expression level of this substance in the hypothalamus decreases by 70% during non breeding seasons, accompanied by LH secretion inhibition and decreased metabolic rate, allowing animals to better survive periods of food scarcity.
Future research directions
Multimodal treatment strategy:
Explore its combination with immune checkpoint inhibitors and metabolic regulatory drugs. In the breast cancer model, the peptide combined with PD-1 antibody can increase the complete remission rate of tumor to 45%, which is significantly better than the single drug treatment group.
Dynamic monitoring technology:
Establish a real-time monitoring platform based on biosensors to track their dynamic changes in the body. For example, developing fluorescent probes that can penetrate the blood-brain barrier to achieve in situ detection of the peptide concentration in the glioma microenvironment, providing a basis for personalized treatment.
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