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Thymosin-alpha-1

Thymalfasin, Zadaxin, Thymosin α1

A synthetic 28-amino acid peptide that enhances immune function by modulating T-cell activity, used for viral infections and immunodeficiencies.

Quick Stats
Studies 759
Trials 63
Formula C129H215N33O55
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pubmed 1989

Biochemical identification of thymosin alpha-1: its phylogenetic distribution and evolutionary implications.

Oates. K K KK; Erdos. M M

1. Thymosin alpha-1, like reactivity, was found in several different species (insects, crab, protozoan, fungus and bacteria) by radioimmunoassay and immune fluorescence and as an extracellular product from the bacterial genus Mycobacterium. 2. Biochemically, thymosin alpha-1 has been isolated from combined crab visceral and nervous tissue by reverse phase HPLC. 3. The identification of thymosin alpha-1 in lower life forms suggests a more generalized exocrine origin in unicellular organisms prior to the development of the immune system or exocrine differentiation.

pubmed 1988

Amniotic fluid thymosin alpha 1 levels increase during gestation.

Welch. R A RA; Lee. H H HH; Sokol. R J RJ; Mutchnick. M G MG

Researchers measured thymosin‑alpha‑1, a immune‑modulating peptide, in amniotic fluid and found it rises dramatically as pregnancy progresses, far higher than levels in newborn blood.

pubmed Sep 24, 1987

An enzyme immunoassay for synthetic thymulin.

Métreau. E E; Pléau. J M JM; Dardenne. M M; Bach. J F JF; Pradelles. P P

Scientists created a lab test to measure tiny amounts of a synthetic peptide called thymulin, but the study doesn’t give any advice on how to use thymosin‑alpha‑1 or improve health, so it isn’t directly useful for DIY health enthusiasts.

pubmed Apr 8, 1992

A sensitive and specific competition microELISA for the immunoactive polypeptide parathymosin and detection of this peptide in porcine tissues.

Economou. M M; Papadopoulos. G K GK; Seferiadis. K K; Heimer. E P EP; Felix. A M AM; Tsolas. O O

The paper describes a lab test (microELISA) that can accurately measure a protein called parathymosin in pig organs. It shows the test works well, is very sensitive, and does not mistakenly detect similar proteins like thymosin‑alpha‑1. No information is given about how to use thymosin‑alpha‑1 for health or performance.

pubmed Sep 1, 1987

Effects of Newcastle disease virus administration to mice on the metabolism of cerebral biogenic amines, plasma corticosterone, and lymphocyte proliferation.

Dunn. A J AJ; Powell. M L ML; Moreshead. W V WV; Gaskin. J M JM; Hall. N R NR

A study gave mice a virus (Newcastle disease virus) and saw stress‑like hormone spikes, changes in brain chemicals, and weaker immune cell responses, but the level of the peptide thymosin‑alpha‑1 in the blood didn’t change. This research doesn’t tell you how to use thymosin‑alpha‑1 for health or performance.

pubmed May 1, 1986

A radioimmunoassay for thymosin alpha-1.

Incefy. G S GS; Ishimura. K K; Wang. J G JG; Unson. C G CG; Erickson. B W BW

Scientists created a very sensitive lab test to measure tiny amounts of the peptide thymosin‑alpha‑1, but the paper only describes the assay method, not any health benefits or how to use the peptide.

pubmed 1987

Epidermal cell-derived lymphocyte differentiating factor (ELDIF) inhibits in vitro lymphoproliferative responses and interleukin 2 production.

Nicolas. J F JF; Kaiserlian. D D; Dardenne. M M; Faure. M M; Thivolet. J J

The study looked at a skin‑cell protein called ELDIF, which isn’t the same as thymosin‑alpha‑1. It showed that ELDIF can suppress immune cell growth and lower IL‑2 in lab tests, suggesting it might help control skin inflammation, but there’s no info on how to use it in people.

pubmed Jan 4, 1988

Prothymosin alpha is a nuclear protein.

Gómez-Márquez. J J; Segade. F F

Prothymosin alpha, a protein first isolated from rat thymus and widely distributed in animal tissues, has an attributed role in the stimulation of the immune system. Its structure contains thymosin alpha 1, a Glu-rich domain and a putative nuclear location signal. Furthermore, the amount of this protein seems to be associated with the relative size of the nucleus and is inducible during cell growth. We postulate that prothymosin alpha is located inside the cell nucleus and that its activity might be to organize some protein complexes.

pubmed Jul 1, 2007

Solid-phase synthesis of a peptide derivative of thymosin alpha1 and initial studies on its (99m)Tc-radiolabelling.

Klimentzou. Persefoni P; Beck. Alexander A; Varvarigou. Alexandra A; Tsitsilonis. Ourania O; Voelter...

Scientists created a modified version of the immune‑boosting peptide thymosin‑alpha‑1 that can be attached to a radioactive tag (technetium‑99m) for imaging studies. The work shows how to make and label the peptide, but it doesn’t provide any guidance on dosing, safety, or health benefits for everyday use.

pubmed Jul 1, 1986

Antigenic specificity of a rabbit antiserum raised against the 15-28 segment of thymosin alpha 1.

Ishimura. K K; Incefy. G S GS; Wang. J G JG; Komiyama. T T; Heimer. E P EP; Felix. A M AM; Unson. C...

This study looked at how a rabbit antibody recognizes specific parts of the peptide thymosin‑alpha‑1, focusing on which tiny piece of the molecule the antibody sticks to. It’s a lab‑focused method paper, not a trial of the peptide’s health benefits, so it doesn’t give any direct advice for using thymosin‑alpha‑1 in the body.

pubmed 1984

Immunoreactive thymosin alpha 1 is associated with murine T-cell lymphomas.

Zatz. M M MM; McClure. J E JE; Goldstein. A L AL

In mice with T‑cell lymphomas, the blood level of a peptide called thymosin‑alpha‑1 goes up, but this rise comes from the tumor itself, not the thymus. B‑cell lymphomas don’t cause this increase, so the peptide seems linked specifically to T‑cell cancers in these animals.

pubmed Oct 1, 1983

Monoclonal antibodies to thymosin alpha 1.

Stähli. C C; Takács. B B; Kocyba. C C

The paper describes how scientists created antibodies that bind to a specific part of the peptide thymosin‑alpha‑1, discovered that normal blood serum contains substances that can interfere with these antibodies, and introduced a simple way to remove that interference along with a sensitive test to measure the peptide. It doesn’t provide any new health‑related uses or dosing advice for thymosin‑alpha‑1.

pubmed 1986

Solid phase synthesis of thymosin beta 9.

Chandramouli. N N; Bhargava. K K KK; Incefy. G S GS; Modak. M J MJ; Merrifield. R B RB

The paper describes a lab technique for making a peptide called thymosin beta‑9, showing how they built it on a solid support, got a 32% yield, and tested its activity in a couple of lab assays. It doesn’t give any guidance on how to use the peptide in humans, dosing, safety, or benefits, so it isn’t directly useful for DIY health experiments.

pubmed Mar 1, 1983

Monoclonal antibody against human T cell leukemia virus p19 defines a human thymic epithelial antigen acquired during ontogeny.

Haynes. B F BF; Robert-Guroff. M M; Metzgar. R S RS; Franchini. G G; Kalyanaraman. V S VS; Palker. T...

The study found that an antibody made against a virus protein (p19) also sticks to a specific protein in human thymus cells, appearing during fetal development, but it doesn’t show any link to disease or a clear health benefit, and it offers no guidance for using thymosin‑alpha‑1 or other interventions.