Abbara. Ali A; Eng. Pei Chia PC; Phylactou. Maria M; Clarke. Sophie A SA; Mills. Edouard E; Chia. Ge...
The study shows that a single IV dose of kisspeptin‑54 triggers a strong rise in luteinizing hormone (LH) in healthy men, but almost no response in men with a genetic form of low hormone production, making it a precise test for hypothalamic function.
The study found that men with higher body weight and obesity have higher levels of kisspeptin in their blood, and these levels go up together with insulin, insulin resistance, and leptin, while they go down with a hormone called LH. No kisspeptin was detected in the spinal fluid. This suggests kisspein might play a role in how the body handles metabolism, especially in overweight people.
Mills. Edouard G A EGA; O'Byrne. Kevin T KT; Comninos. Alexander N AN
This review explains that kisspeptin, a hormone best known for controlling reproduction, is also found in the amygdala—a brain area linked to emotions and behavior. In the amygdala, kisspeptin helps set the timing of puberty, shapes the pattern of reproductive hormone release, and ties those hormones to sexual and social behaviors. The authors suggest that targeting this brain system could lead to new treatments for reproductive or psychosexual problems, but they don’t give any specific dosing or DIY advice.
Garcia. James P JP; Keen. Kim L KL; Seminara. Stephanie B SB; Terasawa. Ei E
In monkey brains, the peptide kisspeptin-10 (and a related molecule called NKB) can boost the release of the hormone GnRH, which controls reproductive hormones. Girls' brains respond more strongly to kisspeptin than boys', and during puberty the wiring between kisspeptin and NKB changes – females develop a two‑way communication loop, while males rely mainly on kisspeptin alone. Both signals help increase GnRH during puberty, but they don’t start puberty on their own.
Dong. Tien S TS; Vu. John P JP; Oh. Suwan S; Sanford. Daniel D; Pisegna. Joseph R JR; Germano. Patri...
In mice, a single injection of the peptide kisspeptin-10 lowered how much they ate, made them eat fewer and smaller meals, and reduced their overall energy use. At the same time, it raised blood levels of insulin, leptin, resistin and good cholesterol (HDL) and made their bodies burn more carbs than fat. The study suggests kisspeptin can influence appetite and metabolism, but it was done by injecting the peptide directly into the abdomen of mice, which isn’t a typical way people could use it.
Kisspeptin-10 (KP-10) and its receptor GPR54 are found in high amounts in artery plaques and seem to make those plaques grow faster and become more unstable, which could lead to heart attacks. In lab cells, KP-10 blocks healthy blood‑vessel cell growth, pushes immune cells to stick to vessels, and makes fat‑laden foam cells that are a hallmark of atherosclerosis. In mice that are prone to artery disease, giving KP-10 speeds up plaque formation, but blocking GPR54 with a drug called P234 stops those bad effects.
Daghestani. M H MH; Daghestani. M H MH; Daghistani. M M; Ambreen. K K; Almuammar. M N MN; Al Neghery...
A study found a specific genetic change in the KISS1 gene (rs1213704663C>G) that’s linked to a higher chance of polycystic ovary syndrome (PCOS) and to higher LH and estrogen levels, but it doesn’t change kisspeptin levels. This isn’t a treatment, just a genetic risk marker.
The study shows that adding anti‑Müllerian hormone (AMH) to hypothalamic cells boosts the production of GnRH (the hormone that tells the pituitary to release reproductive hormones) but does not change the amount of kisspeptin (Kiss‑1) made by those cells. In fact, AMH can block the increase in Kiss‑1 that normally happens when you add kisspeptin‑10. This suggests AMH can influence the reproductive hormone cascade by promoting GnRH while dampening kisspeptin‑driven signals.
In rats, the amount of kisspeptin and related hormones in a specific brain region changes throughout the day and across the reproductive cycle, and the right side of that region usually has higher levels. This shows that hormone levels are not constant but follow daily and cycle‑related patterns.
Skowron. Kamil K; Jasiński. Krzysztof K; Kurnik-Łucka. Magdalena M; Stach. Paulina P; Ka...
In a rat model of anorexia, giving the peptide kisspeptin-10 under the skin helped the animals eat more and changed several brain chemicals linked to energy use. The study shows kisspeptin can affect appetite by tweaking signals in the hypothalamus, but it’s only been tested in mice, not people.
Yang. Yanhong Y; Zhang. Jianliang J; Li. Dongxiao D; Liu. Cuiping C; Guo. Rong R; Xiao. Yi Y; Zhou....
The study shows that women who have had repeated miscarriages have lower levels of the hormone‑like peptide kisspeptin. Adding a short form of kisspeptin (kisspeptin‑10) to uterine cells in the lab makes them change into a state that supports pregnancy, and giving kisspeptin‑10 to mice that normally lose embryos reduces those losses. The effect works through a chain of cell‑signaling proteins called Notch1, Akt and Foxo1.
Terse. Pramod S PS; Peggins. James J; Seminara. Stephanie B SB
A study gave dogs a peptide called kisspeptin-10 (KP-10) once a day for two weeks and found no signs of toxicity even at the highest dose tested. The peptide cleared from the blood quickly, and the hormone LH spiked right after each dose but dropped over time. The dogs stayed in a non‑reproductive state throughout the experiment, and everything returned to normal after a two‑week recovery period.
Ramzan. Faiqah F; Qureshi. Irfan Zia IZ; Ramzan. Muhammad Haris MH
In young male rats, giving kisspeptin-10 repeatedly lowered blood testosterone and caused damage to the testicular Leydig cells that make the hormone. The harmful effects got worse with higher doses. This suggests that chronic, high‑dose kisspeptin-10 could suppress testosterone production, at least in this animal model.
A study in female mice showed that long‑term low‑dose exposure to the plastic chemical BPA messes up the brain signals (kisspeptin neurons) that control the menstrual cycle, leading to fewer mature eggs and a longer low‑fertility phase. Giving the mice a small dose of the peptide kisspeptin‑10 straight into the brain fixed the hormone drops and restored the normal LH surge, suggesting kisspeptin can counteract BPA’s harmful effect on fertility in mice.
This study looked at DNA differences in the kisspeptin and GnRH pathways and found they can change hormone levels and IVF success in women, but it didn’t test kisspeptin‑10 as a supplement or give dosing advice.
In rats, a new peptide called kissorphin (based on kisspeptin-10) helped protect against memory problems caused by alcohol exposure and withdrawal. The biggest benefit was seen at the highest dose tested (10 nmol). The study suggests that tweaking the brain's opioid system might reverse alcohol‑related learning deficits, but it’s all animal work and not yet ready for human use.
Researchers found that the short peptide kisspeptin‑10 (KP‑10) can calm down inflammation in immune cells and reduce arthritis symptoms in mice by blocking key inflammatory pathways. While the work shows promise, it’s still early‑stage lab work and not ready for personal use.
In rats, giving the peptide kisspeptin‑10 after a single dose of the chemotherapy drug methotrexate lowered oxidative stress markers and improved sperm quality, suggesting it can counteract some of the drug’s harmful effects on the testicles.
The study shows that the short peptide kisspeptin‑10 can boost its own production and, in some hypothalamic cells, also increase the production of GnRH, another hormone that controls reproduction. This effect was seen in mouse brain cell lines and in rat fetal brain cells, suggesting a feedback loop between kisspeptin and GnRH in the brain.
The study shows that giving people a steady, high‑dose infusion of kisspeptin‑10 for about a day makes the brain release more frequent LH pulses (the hormone that tells the gonads to make sex hormones). This works in both men and women, even those with hormone problems, and the response doesn’t wear off after many hours.