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Thymalin

Thymulin, Thymic Factor, Serum Thymic Factor, Facteur Thymique Serique

A synthetic thymic nonapeptide that modulates immune function by promoting T-cell differentiation and enhancing overall immunity.

Quick Stats
Studies 202
Trials 37
Formula C33H54N12O15
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Utility 1
pubmed 1990

[Correction of immunologic disorders in patients with burns].

Shkrob. L O LO; Lukoianova. T N TN; Vishnevskaia. S M SM; Panova. Iu M IuM; Kashin. Iu D IuD

The study found that giving Thymalin, a thymus‑derived peptide, to patients with severe burns helped their immune system recover faster, especially when started early, with the biggest improvements seen about a week after treatment. Adding a blood leukocyte transfusion also gave a short‑term boost but didn’t keep the immune balance stable.

Utility 1
pubmed 1990

[Immunoreactive disorders and their correction in patients with rhegmatogenous retinal detachment complicated by vitreoretinal proliferation].

Vanichkin. A A AA; Kovalev. A I AI; Mikhaĭlova. T P TP

The study looked at people with a serious eye problem (retinal detachment) and found that those with weaker immune systems had worse surgery results. Adding a peptide called thymalin to the treatment helped many of the 17 patients recover better and had fewer complications. However, this was a small, very specific medical trial, not a general health guide.

Utility 1
pubmed 1990

[Modifications to the surface of T-lymphocytes in chronic candidiasis of the skin and mucous membranes].

Sardyko. N V NV; Golubeva. T N TN; Babenko. G A GA

The study looked at skin and mouth yeast infections and found that patients' immune cells had fewer surface receptors compared to healthy people. When those cells were mixed with various substances, including the peptide thymalin, the changes in receptor levels were different, suggesting thymalin might affect immune cell function, but the research was done in a lab dish, not in real people.

Utility 1
pubmed 2003

Thymalin in developing respiratory organs of human fetus.

Khlystova. Z S ZS; Kalinina. I I II; Shmeleva. S P SP

The study found that the peptide thymalin naturally appears in the developing lungs of human embryos, especially in young airway cells and scattered alveolar cells. At the same time, early immune cells (CD3+, CD4+, CD8+) show up in the lungs even before the thymus is fully formed, likely to protect the fetus from harmful maternal cells and infections that could enter through the airway or blood.

Utility 1
pubmed 1989

[Participation of the thymus in controlling cytomedine activity].

Kalashnikov. S G SG; Kuznik. B I BI; Tsybikov. N N NN

In rats, removing the thymus changes the mix of small proteins (polypeptides) in organs and weakens immune‑boosting activity, but giving the peptide drug thymalin restores the normal protein pattern and immune effects.

Utility 1
pubmed 1988

[Effect of tocopherol, phenformin and thymus and pineal polypeptide factors on the transplacental carcinogenic effect of N-nitroso-N-ethylurea in rats].

Bespalov. V G VG; Aleksandrov. V A VA; Morozov. V G VG; Khavinson. V Kh VKh

In a rat study, giving newborns the peptide thymalin (along with tocopherol or pineal peptide) didn’t change the rate of brain tumors caused by a chemical that crosses the placenta, while the diabetes drug phenformin lowered tumor rates. This suggests thymalin doesn’t protect against that specific cancer risk.

Utility 1
pubmed 2002

Thymic hormones in human fetal skin epidermis.

Khlystova. Z S ZS; Kalinina. I I II; Khavinson. V Kh VKh

The study found that the thymic hormone called thymalin is present in young skin cells of human fetuses, and its amount changes as the fetus grows. As skin cells mature, fewer cells contain thymalin, and by the time of birth, the hormone is mainly found near the base of the skin layers.

Utility 1
pubmed 2001

[Changes in cell immunity indexes under the influence of thymalin, thyroxine and fibronectin in patients with hyperplastic diseases of thyroid gland before and after the surgery].

Reznichenko. A M AM; Fesenko. V P VP; Shestopalov. D V DV; Tatarchuk. P A PA

The study looked at how a peptide called thymalin, along with thyroid hormone (thyroxine) and a protein called fibronectin, affected immune cells in people with enlarged thyroids before and after surgery. It found that immune balance was off before surgery and got worse after, but adding these substances seemed to help regulate immune cell activity in the early recovery period.

Utility 1
pubmed 1982

[Effect of thymalin on the cyclic nucleotide system in the mouse spleen].

Gavrilenko. I S IS; Khavinson. V Kh VKh; Morozov. V G VG; Ivnitskiĭ. Iu Iu IuIu

A mouse study found that giving thymalin (a thymus extract) caused temporary ups and downs in two important cell signaling molecules, cAMP and cGMP, in the spleen, and also changed the enzyme that breaks down cAMP. The changes in cAMP levels seemed to follow the enzyme activity changes.

Utility 1
pubmed 1983

[The endocrine system and immunity].

Khmel'nitskiĭ. O K OK; Zaĭchik. A Sh ASh; Zubzhintskiĭ. Iu N IuN

The study looked at how certain immune proteins from hormone‑producing cells interact with the adrenal glands, thyroid, and thymus, and how a thymus‑derived factor called thymalin can modulate the immune system. It mainly uncovers new basic science about the link between hormones and immunity, without giving clear guidance on how to use thymalin for health improvement.

Utility 1
pubmed 1987

[The effect of polypeptides from the thymus, bone marrow and bursa of Fabricius on the immunogenesis and hemostasis in neonatally thymectomized and antenatally bursectomized chickens].

Kuznik. B I BI; Stepanov. A V AV; Tsybikov. N I NI; Morozov. V G VG; Khavinson. V Kh VKh

A study in chickens showed that protein extracts from the bursa of Fabricius (a bird organ) had the strongest impact on immune function and blood clotting compared to similar extracts from the thymus or bone marrow. The research was done in chickens that had their thymus or bursa removed early in development.

Utility 1
pubmed 1989

Age-dependent antileukemic action and suppression of immune response by 1,4-benzoquinone-guanylhydrazone-thiosemicarbazone (ambazone) in mice.

Baumgart. J J; Wisniewski. H G HG; Amlacher. R R; Zhukovskaya. N V NV; Rentz. E E

In mice with leukemia, a drug called ambazone works well in young, healthy animals but loses its effect in older mice whose immune systems are weaker. Adding the peptide thymalin (or a similar compound) did not make the treatment better, no matter the age of the mice.

Utility 1
pubmed 1985

[Use of thymalin in the complex treatment of infantile cerebral palsy].

Mamonova. I P IP

A small study gave the peptide thymalin to 22 kids with spastic cerebral palsy and frequent infections, alongside their usual rehab. After a month, about half of the children showed some neurological improvement, and immune markers were measured before and after treatment.

Utility 1
pubmed 1991

[The morphofunctional characteristics of the macrophages during reparative myogenesis under the action of immunomodulators].

Chentsova. M I MI

In rats with a muscle injury, researchers saw two kinds of immune cells (macrophages) that help heal the tissue. One type cleans up debris, the other releases signals to guide repair. Adding immunomodulating substances made the cells' internal structures develop faster, which seemed to speed up healing, but the study gives no details on what to use in people.

pubmed 2000

[A comparative evaluation of treatment methods for a genital papillomavirus infection in women with different viral genotypes].

Mikhaĭlov. I G IG; Maksimov. S Ia SIa; Novik. V I VI; Safronnikova. N R NR; Vishnevskiĭ....

The study looked at different ways to treat cervical HPV infections, comparing cryodestruction, antiviral drugs, and combos with laser. It found that combining antivirals with cryo‑ or laser works best for high‑risk (malignant) HPV types, while cryodestruction alone is enough for low‑risk (benign) types. The research does not involve the peptide thymalin or offer any direct advice for longevity or performance hacking.

pubmed 1995

Lysosomal glycosidases in different populations of human thymocytes.

Ushakova. N A NA; Sirina. E G EG; Preobrazhenskaya. M E ME; Yarilin. A A AA

This study looked at how certain enzymes inside immune cells called thymocytes change as the cells mature, but it doesn’t tell you anything you can do with the peptide thymalin for health or performance.