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T9265

Sigma-Aldrich

Thyrotropic hormone from human pituitary

lyophilized powder, ≥6.2 IU/mg (immunoassay, non-sterile)

Sinônimo(s):

hTSH, TSH, Thyroid stimulating hormone

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5 μG
R$ 1.536,00
10 μG
R$ 2.637,00
25 μG
R$ 5.264,00
0.1 MG
R$ 17.538,00

R$ 1.536,00


Disponível para enviar em10 de abril de 2025Detalhes


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5 μG
R$ 1.536,00
10 μG
R$ 2.637,00
25 μG
R$ 5.264,00
0.1 MG
R$ 17.538,00

About This Item

Número CAS:
Número MDL:
Código UNSPSC:
51111800
NACRES:
NA.32

R$ 1.536,00


Disponível para enviar em10 de abril de 2025Detalhes


Solicite uma grande encomenda

fonte biológica

human pituitary glands

Nível de qualidade

esterilidade

non-sterile

Formulário

lyophilized powder

atividade específica

≥6.2 IU/mg (immunoassay, non-sterile)

condição de armazenamento

(Keep container tightly closed in a dry and well-ventilated place)

técnica(s)

cell culture | mammalian: suitable

Impurezas

HIV Antibodies
Antibody to HCV
Antibody to HBV or Presence of HBSAG, tested negative

nº de adesão UniProt

Condições de expedição

ambient

temperatura de armazenamento

2-8°C

Informações sobre genes

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Descrição geral

Research area: Cell Signaling

Thyrotropic hormone or thyroid stimulating hormone (TSH) belongs to the glycoprotein hormone family.[1] Thyrotroph cells of the anterior pituitary gland produces TSH and is stored in the secretory granules. It comprises a heterodimer of two noncovalently linked subunits, α and β.[2]

Aplicação

Thyrotropic hormone from human pituitary has been used as a supplement in the fetal thyroid organoid culture medium for stimulating maturation.[3] It has also been used as a medium supplement for primary cell culture, and is used further to study the molecular mechanisms of estrogen-mediated growth stimulation of human thyroid tumor cells.[4]

Ações bioquímicas/fisiológicas

In children, thyroid hormones are very much essential for the normal cognition and neurodevelopment.[5] Thyroid-stimulating hormone (TSH) test is mainly used to diagnose thyroid function.[6]
The product can enhance vascular endothelial growth factor (VEGF) secretion and angiogenesis in thyroid cancer celllines.[7]TSHR activated by TSH activates both the adenosine 3′,5′-cyclic monophosphate (cAMP) pathway (via Gsa) and the phosphoinositol/calcium (IP/Ca2+; via Gq) second messenger signaling pathway by interacting with Gs and Gq G-proteins.[8] In mature adipocytes, TSH aids in lipid metabolism by inhibiting fatty acid synthase (FASN) expression via, activating protein kinase A (PKA)-dependent phosphorylation of extracellular signal-regulated kinases/p42/p44 (ERK1/2), and c-Jun N-terminal kinase (JNK).[9]
Two-chain glycoprotein hormone. The α-chain is not active, biological specificity attributed rather to the β-chain. Activates adenylate cyclase in the thyroid gland, stimulating iodine uptake, thyroxine synthesis and release. Goitrogenic.

Embalagem

Package size based on hormone

forma física

Contains hormone and salts from approx. 0.1 mL of 0.05 M phosphate buffer, pH 7.4.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Thyroid-stimulating hormone
The pituitary, 163-201 (2017)
D Manole et al.
The Journal of clinical endocrinology and metabolism, 86(3), 1072-1077 (2001-03-10)
Thyroid tumors are about 3 times more frequent in females than in males. Epidemiological studies suggest that the use of estrogens may contribute to the pathogenesis of thyroid tumors. In a very recent study a direct growth stimulatory effect of
Physiology, Thyroid Stimulating Hormone
Pirahanchi Y, et al.
StatPearls [Internet] (2022)
J Carretero et al.
Histology and histopathology, 4(1), 71-76 (1989-01-01)
The TSH-producing adenohypohyseal cells of Wistar rats were studied after treatment with orally administered methymazole by the PAP immunocytochemical method. These cells were compared with those of normal animals. The effects of methymazole were different in the females to those
Zhenghao Wu et al.
Journal for immunotherapy of cancer, 10(1) (2022-02-02)
Hormones are identified as key biological variables in tumor immunity. However, previous researches mainly focused on the immune effect of steroid hormones, while the roles that thyroid-stimulating hormone (TSH) played in the antitumor response were far from clear. The source

Questions

  1. How to reconstitute this product.

    1 answer
    1. This product may be reconstituted in 0.01M phosphate buffer at pH 7.5. Stock solutions, prepared at 10 micro IU per milliliter, may be stored frozen in aliquots. Avoid repeated freeze/thaw cycles. Working solutions should be prepared fresh and not stored.

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