供货周期: | 一周 |
品牌: | EterLife |
规格: | 0.1ml/100μg 、0.2ml/200μg |
货号: | TE-KT-5081 |
CAS号: | 详见产品说明书 |
铁调节蛋白25抗体
〖别名〗Hamp; HEPC; HEPC_HUMAN; Hepc20; Hepc25; HEPCIDIN; Hepcidin; Hepcidin 20; Hepcidin 25; Hepcidin antimicrobial peptide; Hepcidin-20; Hepcidin25; HFE2; HFE2B; LEAP 1; LEAP-1; LEAP1; Liver expressed antimicrobial peptide; Liver-expressed antimicrobial peptide 1; PLTR; Putative liver tumor regressor.
〖浓度〗1mg/1ml
〖规格〗0.1ml/100μg 0.2ml/200μg
〖抗体来源〗Rabbit
〖克隆类型〗polyclonal
〖交叉反应〗铁调节蛋白25抗体Human
〖产品类型〗一抗
〖研究领域〗心血管 细胞生物 信号转导
〖蛋白分子量〗predicted molecular weight: 2/3kDa
〖性状〗Lyophilized or Liquid
〖免疫原〗KLH conjugated synthetic peptide derived from human Hepcidin-25
〖亚型〗IgG
〖纯化方法〗affinity purified by Protein A
〖储存液〗Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
〖产品应用〗ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
(石蜡切片需做抗原修复)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
〖保存条件〗Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
〖产品介绍〗The product encoded by this gene is involved in the maintenance of iron homeostasis, and it is necessary for the regulation of iron storage in macrophages, and for intestinal iron absorption. The preproprotein is post-translationally cleaved into mature peptides of 20, 22 and 25 amino acids, and these active peptides are rich in cysteines, which form intramolecular bonds that stabilize their beta-sheet structures. These peptides exhibit antimicrobial activity. Mutations in this gene cause hemochromatosis type 2B, also known as juvenile hemochromatosis, a disease caused by severe iron overload that results in cardiomyopathy, cirrhosis, and endocrine failure. [provided by RefSeq, Jul 2008].
Function : Seems to act as a signaling molecule involved in the maintenance of iron homeostasis. Seems to be required in conjunction with HFE to regulate both intestinal iron absorption and iron storage in macrophages. Has strong antimicrobial activity against E.coli ML35P N.cinerea and weaker against S.epidermidis, S.aureus and group b streptococcus bacteria. Active against the fungus C.albicans. No activity against P.aeruginosa.
Involvement in disease;Defects in HAMP are the cause of hemochromatosis type 2B (HFE2B); also known as juvenile hemochromatosis (JH). HFE2B is a disorder of iron metabolism with excess deposition of iron in the tissues, bronze skin pigmentation, hepatic cirrhosis, arthropathy and diabetes. The most common symptoms of hemochromatosis type 2 at presentation are hypogonadism and cardiomyopathy.
Subcellular Location : Secreted.
Tissue Specificity : Highest expression in liver and to a lesser extent in heart and brain. Low levels in lung, tonsils, salivary gland, trachea, prostate gland, adrenal gland and thyroid gland. Secreted into the urine.
DISEASE : Defects in HAMP are the cause of hemochromatosis type 2B (HFE2B) [MIM:613313]; also known as juvenile hemochromatosis (JH). HFE2B is a disorder of iron metabolism with excess deposition of iron in the tissues, bronze skin pigmentation, hepatic cirrhosis, arthropathy and diabetes. The most common symptoms of hemochromatosis type 2 at presentation are hypogonadism and cardiomyopathy.
Similarity : Belongs to the hepcidin family.
Database links : UniProtKB/Swiss-Prot: P81172.2 human
NCBI Reference Sequence: NP_066998.1
Hepcidin是一种由肝脏细胞产生的具有广谱杀菌抑菌作用的抗菌肽,属于防御性蛋白家族。Hepcidin在肝脏合成时,首先产生一种早期多肽,由84个氨基酸残基组成。在其Gly24和Ser25之间存在一个酶切位点,当酶切去除其24个氨基酸残基的信号肽后,形成由60个氨基酸残基组成的前体肽(pro-Hepcidin),并通过转运进入血液循环,最后由前肽转化酶(propeptide convertase)在N端的不同位点剪接生成3种不同的成熟小肽,分别由20、22、25个氨基酸组成,其中以25个氨基酸为其主要形式和主要活性部分,称作Hepcidin-25。含有25个氨基酸的小分子多肽蛋白主要在肝脏表达,其中有8个半胱氨酸---含25个氨基酸的小分子多肽蛋白是活性片段,和许多富含半胱的抗菌肽类似具有显著的抗菌作用。经研究表明Hepcidin25是机体铁稳态调控途径中关键性效应分子,其主要生物学功能在于调节小肠细胞对铁的吸收,也有学者称为:抗菌肽Hepcidin25。由于该蛋白多肽中有多个半胱氨酸构成,故导致二硫键的形成---形成多聚体蛋白,其分子量在20-32kDa。
做过实验的亲们都知道铁调节蛋白25抗体反应规律,仔细观察我们会发现当抗原第一次进入机体时,需经一定的潜伏期才能产生抗体,且抗体产生的量也不多,在体内维持的时间也较短。当相同抗原第二次进入机体后,开始时,由于原有抗体中的一部分与再次进入的抗原结合,可使原有抗体量略为降低。随后,抗体效价迅速大量增加,可比初次反应产生的多几倍到几十倍,在体内留存的时间亦较长。因此得出由抗原刺激机体产生的抗体,经过一定时间后可逐渐消失。此时若再次接触抗原,可使已消失的抗体快速上升。如再次刺激机体的抗原与初次相同,则称为特异性回忆反应;若与初次反应不同,则称为非特异性回忆反应。
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