人甲状腺激素(Human TSH)|10μg/50μg/1mg|HOR-291-上海希美化学有限公司

人甲状腺激素(Human TSH)

参考价：面议

供货周期：

一周

品牌：

Prospect Biosystems

规格：

10μg/50μg/1mg

货号：

HOR-291

CAS号：

产品详情

TSH Human
Human Thyroid Stimulating Hormone
Catalog No. HOR-291

Synonyms:
Glycoprotein hormones alpha chain, Anterior pituitary glycoprotein hormones common subunit alpha, Follitropin alpha chain, Follicle-stimulating hormone alpha chain, FSH-alpha, Lutropin alpha chain, Luteinizing hormone alpha chain, LSH-alpha, Thyrotropin alpha chain, Thyroid-stimulating hormone alpha chain, TSH-alpha, Choriogonadotropin alpha chain, Chorionic gonadotrophin alpha subunit, CG-alpha, Thyrotropin subunit beta, Thyroid-stimulating hormone subunit beta, TSH-beta, TSH-B, Thyrotropin beta chain, Thyrotropin alfa.

Introduction:
Thyroid-stimulating hormone (also known as TSH or thyrotropin) is a hormone synthesized and secreted by thyrotrope cells in the anterior pituitary gland which regulates the endocrine function of the thyroid gland.
TSH stimulates the thyroid gland to secrete the hormones thyroxine (T4) and triiodothyronine (T3). TSH production is controlled by a Thyrotropin Releasing Hormone (TRH), which is manufactured in the hypothalamus and transported to the Anterior Pituitary gland, where it increases TSH production and release. Somatostatin is also produced by the hypothalamus, and has an opposite effect on the pituitary production of TSH, decreasing or inhibiting its release.
The level of Thyroid hormones (T3 and T4) in the blood have an additional effect on the pituitary release of TSH. When the levels of T3 and T4 are low, the production of TSH is increased, and conversely, when levels of T3 and T4 are high, then TSH production is decreased. This effect creates a regulatory negative feedback loop.
TSH is a glycoprotein and consists of two subunits, the alpha and the beta subunit.
The α (alpha) subunit is identical to that of human chorionic gonadotropin (HCG), luteinising hormone (LH), follicle-stimulating hormone (FSH).
The β (beta) subunit is unique to TSH, and therefore determines its function.

Description:
Thyroid Stimulating Hormone Human produced in Human pituitary glands having a molecular mass of 28.5Kda. An important indicator of thyroid function. Used to monitor thyroid associated diseases.

Source:
Human pituitary glands

Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation:
Lyophilized from 0.05M NH4HCO3 buffer, containing Trehalose at 25X hormone weight.

Solubility:
It is recommended to reconstitute the lyophilized TSH in de-ionized water.

Stability:
TSH Human although stable at room temperature for 3 weeks, should be stored at -15°C.

Purity:
Greater than 96.0% as determined by SDS-PAGE.

Usage:
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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