Wang. Wenjun W; Yang. Zhu-lin ZL; Liu. Jie-qiong JQ; Yang. Le-ping LP; Yang. Xiao-jing XJ; Fu. Xi X
The study looked at gallbladder cancer tissue and found that the gene for kisspeptin (KiSS‑1) is turned down in tumors, while a gene called MTA1 is turned up. Low kisspeptin levels were linked to more aggressive cancers and shorter survival, but the research does not test kisspeptin as a treatment or supplement.
Injecting the horse version of kisspeptin-10 makes the blood levels of LH and FSH jump up quickly, but the rise is short‑lived and it never makes a mare ovulate, even when given continuously.
Cvetkovic. Donna D; Dragan. Magdalena M; Leith. Sean J SJ; Mir. Zuhaib M ZM; Leong. Hon S HS; Pampil...
The study shows that the peptide kisspeptin‑10 can make certain breast cells (those without estrogen receptors) more invasive, which could help tumors spread, while cells with estrogen receptors are not affected. This suggests kisspeptin‑10 isn’t a safe or useful supplement for general health or performance, especially for people at risk of estrogen‑negative cancers.
Kisspeptin is a natural peptide that talks to brain cells controlling reproductive hormones. When it binds its receptor on GnRH neurons, it makes those cells fire more by boosting excitatory signals and turning off certain potassium channels, leading to more hormone release. The paper reviews how this works but doesn’t give any dosing or practical tips.
Lippincott. Margaret F MF; Chan. Yee-Ming YM; Delaney. Angela A; Rivera-Morales. Dianali D; Butler....
In men who had a rare, spontaneous recovery from a condition that stops puberty (IHH), giving kisspeptin only caused a hormone surge (LH) if their bodies were already making natural LH pulses. If they later lost those natural pulses, kisspeptin no longer worked. This suggests kisspeptin’s effect depends on the underlying activity of the reproductive hormone system.
In young female quails, daily injections of the peptide kisspeptin-10 sped up egg laying and boosted liver fat production, especially at higher doses. The hormone also raised blood estrogen levels and changed some liver genes linked to lipid synthesis, but many other metabolic markers stayed the same.
The paper reviews how puberty starts and is controlled by the brain‑pituitary‑gonadal hormone system. It explains that this system is active early in life, then paused during childhood, and re‑starts at puberty, but the exact triggers are still unclear. Timing of puberty can affect health later in life.
The study looked at lung cancer patients and found that the proteins kisspeptin (KISS1) and its receptor (KISS1R) are reduced in tumor tissue, especially in advanced disease, and that patients who still have detectable levels tend to live longer. This is mainly a diagnostic insight, not a treatment or lifestyle tip you can use right now.
The study found that lower levels of the KiSS1 gene, which makes the peptide kisspeptin, are linked to worse colorectal cancer outcomes, especially spread to lymph nodes, while higher levels are seen in early‑stage tumors.
The study shows that the hormone‑like peptide kisspeptin (also called metastin) is made more in certain uterine cells when the lining prepares for pregnancy, but its production drops in abnormal or cancerous tissue. The receptor for kisspein stays genetically active in normal and early‑stage tissue. This suggests kisspeptin helps normal pregnancy processes but gets messed up in cancer.
Huma. Tanzeel T; Wang. Zhengbo Z; Rizak. Joshua J; Ahmad. Fiaz F; Shahab. Muhammad M; Ma. Yuanye Y;...
In a lab study, the peptide kisspeptin‑10 was added to a monkey embryonic stem cell line and was found to slow down cell growth and push the cells toward becoming neuron‑like cells. This shows that kisspeptin can influence stem cell behavior, but the work was done in a petri dish on monkey cells, not in people.
Kinsey-Jones. James S JS; Beale. Kylie E KE; Cuenco. Joy J; Li. Xiao Feng XF; Bloom. Stephen R SR; O...
Scientists created a new lab test that can accurately measure the amount of the hormone kisspeptin in specific parts of a rat's brain and placenta. This helps researchers see how much of the peptide is actually present, not just how much its gene is being made.
Lippincott. Margaret F MF; True. Cadence C; Seminara. Stephanie B SB
The study shows that people (and mice) with broken kisspeptin genes have severe, lifelong problems with puberty and fertility, while defects in the related neurokinin B system cause milder, sometimes reversible reproductive issues. The mouse models act just like the human conditions, confirming how crucial kisspeptin is for starting and keeping the reproductive hormone system running.
Lehman. Michael N MN; Hileman. Stanley M SM; Goodman. Robert L RL
The paper maps where kisspeptin cells live in the brain and how they connect to hormone‑producing neurons. It shows two main groups of kisspeptin neurons—one in the arcuate nucleus and another near the front of the brain—that talk to GnRH cells, which control reproductive hormones. The study also notes that these neurons carry other chemicals like neurokinin B, dynorphin, galanin, and dopamine, but it doesn’t tell us how to use kisspeptin for health tricks.
Stathaki. Martha M; Armakolas. Athanasios A; Dimakakos. Andreas A; Kaklamanis. Loukas L; Vlachos. Io...
The study shows that in colon cancer, higher levels of the peptide kisspein in tumors are linked to less spread of the disease, possibly because it triggers another protein, EMAP‑II, that can cause immune cells to die. However, this effect was seen only in tumor tissue and lab experiments, not in healthy people taking kisspeptin as a supplement.
The study shows that boosting the KISS1 gene (which makes the kisspeptin-10 peptide) in breast cancer cells can kill the cells, slow their movement, shrink tumors in mice, and help the mice live longer, but this was done by genetically altering cells, not by taking a supplement.
Castellano. Juan Manuel JM; Wright. Hollis H; Ojeda. Sergio R SR; Lomniczi. Alejandro A
Scientists found that the Kiss1 gene, which makes the kisspeptin hormone, starts being read from two different spots in the brain of young female rats. One spot (TSS1) is turned on by estrogen and changes during puberty, while the other (TSS2) does not respond to estrogen and stays constant. This tells us how the body naturally controls kisspeptin production, but it doesn’t give any direct tips for using kisspeptin‑10 as a supplement or therapy.
The study showed that turning on the KiSS-1 gene in liver cancer cells made them stick less, invade less, and move less, but it didn’t change how fast they grew. This was done in a dish by inserting DNA, not by taking a kisspeptin supplement. So, while it hints that KiSS-1 could be a target for future gene‑therapy cancer treatments, it doesn’t give any practical tips you can use right now.
The paper explains that kids who go through puberty too early have higher levels of a brain chemical called kisspeptin, and doctors usually treat this with hormone‑blocking drugs like GnRH analogs, histrelin implants, or leuprolide shots. It notes that the implants work well for up to two years, but the leuprolide dose may not fully shut down puberty hormones even though it slows visible signs. Long‑term, most treated kids have normal reproductive health, though they might have a slightly higher chance of polycystic ovary syndrome, and there’s little research on how early puberty affects mood or behavior.
Soga. Tomoko T; Lim. Wei Ling WL; Khoo. Alan Soo-Beng AS; Parhar. Ishwar S IS
Scientists discovered that a short fragment of the hormone kisspeptin (kisspeptin‑10) can switch on a gene called ANKRD26 in migrating brain cells that produce GnRH, but it doesn’t affect genes tied to cell growth or death. This hints at a new way kisspeptin might control cell movement, though it’s a basic, early‑stage finding.