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HN, S14G-Humanin
A mitochondrial-derived peptide that protects against apoptosis, oxidative stress, and has potential in neurodegenerative and metabolic diseases.
Nishimoto. Ikuo I; Matsuoka. Masaaki M; niikura. Takako T
Humanin is a small protein that can protect brain cells from damage linked to Alzheimer’s disease, but it also interacts with cell‑death pathways that might affect cancer risk, and no dosage or safety guidelines are provided yet.
Arakawa. Tsutomu T; Niikura. Takako T; Arisaka. Fumio F; Kita. Yoshiko Y
Scientists fused two brain‑protective peptides, Humanin and ADNF9, creating a new molecule called Colivelin that is far more potent at protecting neurons in lab tests—up to a million‑fold stronger than Humanin alone. The new peptide behaves structurally like ADNF9 and stays stable, unlike Humanin which tends to clump together. However, the work is still early‑stage and only done in test‑tube conditions, so there’s no guidance yet on how to use it safely in people.
Harada. Masataka M; Habata. Yugo Y; Hosoya. Masaki M; Nishi. Kazunori K; Fujii. Ryo R; Kobayashi. Ma...
Scientists found that the small protein humanin can stick to two cell‑surface receptors called FPRL1 and FPRL2, and that a slightly modified version (adding a formyl group) works far better. This helps explain how humanin protects brain cells, but the study was done in engineered hamster cells, not people, and it doesn’t give dosing advice.
Hirano. Atsushi A; Shiraki. Kentaro K; Niikura. Takako T; Arakawa. Tsutomu T; Kita. Yoshiko Y
Humanin is a tiny peptide that is floppy in plain water but folds into a stable beta‑sheet shape when it meets negatively charged lipids like DOPG, not with neutral lipids, and this shape stays stable even when heated, while salt doesn’t affect it.
Yamagishi. Yohichi Y; Hashimoto. Yuichi Y; Niikura. Takako T; Nishimoto. Ikuo I
Scientists mapped which parts of the tiny protein Humanin are needed for it to be released from cells and to protect brain cells, finding that a small stretch around Leu9‑Leu11 (especially Leu10) is key for secretion, and several other spots are vital for its protective action and for the protein to pair up with itself.
Rojo-Domínguez. Arturo A; Ramírez-Galicia. Guillermo G; Havel. Josef J; Gutiérrez-Gon...
The study looked at the shape and flexibility of a modified humanin peptide (S14G‑humanin) that may protect brain cells. It found that this version is less helical and more flexible than the natural peptide, and it changes shape when exposed to certain chemicals that mimic a more ordered environment.
Liang. Gang G; Zhang. Xiao Dong XD; Wang. Lu Jing LJ; Sha. Yu Shen YS; Zhang. Jian Chao JC; Miao. Sh...
The study used a fancy cell‑picking method to look at genes in human sperm‑producing cells and found that the humanin gene is highly active in early sperm cells, hinting it may help with sperm development, but it doesn’t give any direct advice on using humanin as a supplement.
Mucke. Hermann Am HA
This paper says that new gene and protein tools are changing how we find and use drugs for dementia, especially Alzheimer’s. It mentions that certain gene variants can help decide who should get standard Alzheimer’s meds, and it highlights a tiny protein called humanin as a possible new brain‑protecting agent, but it doesn’t give any dosage or how to use it yet.
Yang. Zhikuan Z; Zhang. Qingjiong Q; Ge. Jian J; Tan. Zhiqun Z
The study shows that a compound called tetramethylpyrazine helps keep rat retinal cells alive when they’re stressed by oxidative damage, and it also found that adding the humanin peptide (a small protein) improves cell survival under the same conditions. While the main focus isn’t humanin, the results suggest humanin might have protective effects on eye cells, but the work is still early‑stage and done in petri dishes, not people.
Singh. Baljit K BK; Mascarenhas. Desmond D DD
In a mouse model of type 2 diabetes, daily tiny injections of the peptide humanin lowered the amount of protein leaking into the urine (a sign of kidney damage) and changed key signaling proteins in the kidney. The study suggests humanin might protect diabetic kidneys, but it was only tested in mice, not people, and the exact human dose is unknown.
Devosse. Thalie T; Guillabert. Aude A; D'Haene. Nicky N; Berton. Alix A; De Nadai. Patricia P; Noel....
The study shows that the humanin peptide can bind to a specific immune receptor (FPRL2) found on certain immune cells like plasmacytoid dendritic cells, eosinophils, and some tissue‑specific macrophages, especially in the lung, colon, and skin. This suggests humanin may play a role in regulating innate immunity, but the paper doesn’t give any dosage or protocol advice for health‑hacking purposes.
Mangkhang. K K; Punyapornwithaya. V V; Tankaew. P P; Pongkan. W W; Chattipakorn. N N; Boonyapakorn....
In a study of 31 dogs with a common heart valve disease, researchers found that the blood level of the tiny protein humanin drops as the disease gets worse. The drop shows up earlier than the usual heart‑failure marker (NT‑proBNP), suggesting humanin could be a useful early warning sign for heart trouble.
Ishikawa. Hideaki H; Tachikawa. Hiroyuki H; Miura. Yutaka Y; Takahashi. Nobuhiro N
The study shows that the protein TRIM11 can bind to and cause the breakdown of humanin, a peptide some people use for brain health, by tagging it for destruction in cells. It also breaks down another protein, ARC105, which affects TGF‑beta signaling, a pathway involved in many cellular processes. This suggests that the body has mechanisms that can reduce humanin levels, which could matter for those taking it as a supplement.
Dubec. Steven J SJ; Aurora. Rajeev R; Zassenhaus. H Peter HP
The study shows that when mitochondria accumulate many DNA mistakes, they make a small protein that triggers cells to self‑destruct by releasing cytochrome c, a key step in aging‑related cell loss. In mice with lots of these mutations, heart disease appears, suggesting the process is harmful in real life.
Arakawa. T T; Kita. Y Y; Niikura. T T
Researchers found a tiny protein called Humanin that can protect brain cells from damage caused by Alzheimer‑related toxins in a dish, and a tweaked version of it works thousands of times better. However, all the work is still in cells, we don’t know how to give it to people safely, and the exact way it works is still fuzzy. So it’s an interesting hint for future anti‑aging or brain‑health hacks, but not ready for real‑world use yet.
Kim. Su-Jeong SJ; Mehta. Hemal H HH; Wan. Junxiang J; Kuehnemann. Chisaka C; Chen. Jingcheng J; Hu....
The study found that aging cells (senescent fibroblasts) make more mitochondria and release more of the tiny protein humanin. Giving extra humanin to these cells slightly boosted their energy production but also nudged up some inflammatory signals (SASP) through a JAK pathway. This suggests humanin can tweak the metabolism of old cells, but the effects are modest and may have mixed consequences.
Kariya. Shingo S; Takahashi. Nobuyuki N; Ooba. Naoki N; Kawahara. Makoto M; Nakayama. Hitoshi H; Uen...
The study shows that the small protein humanin and a stronger version called S14G‑humanin can keep a type of nerve‑like cells alive when they’re starved of nutrients, suggesting these peptides might protect cells from many kinds of stress, not just Alzheimer‑related damage.
Hashimoto. Y Y; Niikura. T T; Tajima. H H; Yasukawa. T T; Sudo. H H; Ito. Y Y; Kita. Y Y; Kawasumi....
Scientists found that a tiny protein called Humanin can stop brain cells from dying when they’re exposed to Alzheimer‑related genes or amyloid‑beta, but it doesn’t help with other types of cell stress. The protein works only when its exact sequence is unchanged and is released into the surrounding fluid, hinting it could be a clue for new Alzheimer’s treatments.
Niikura. Takako T; Hashimoto. Yuichi Y; Tajima. Hirohisa H; Ito. Yuko Y; Nishimoto. Ikuo I
Humanin is a small protein that can protect brain cells from dying when they’re exposed to Alzheimer’s‑related problems like mutant genes and amyloid‑beta, but it doesn’t help with other kinds of cell damage. It works by blocking the death process itself, not by changing amyloid levels, so it could be used together with other Alzheimer’s treatments. However, the study doesn’t give dosing or safety info for people, so it’s still early‑stage research.
Maximov. V V; Martynenko. A A; Hunsmann. G G; Tarantul. V V
The study shows that a tiny protein called Humanin, made from a mitochondrial gene, can protect brain cells from damage linked to Alzheimer’s disease, but it might also raise the chance of developing cancer, so its use is risky and not ready for everyday self‑experimentation.