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Merck
CN

MABT345

抗-Prelamin-A抗体,克隆7G11

clone 7G11, from rat

别名:

Prelamin-A/C, Prelamin-A, Lamin-A/C

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关于此项目

UNSPSC Code:
12352203
NACRES:
NA.41
eCl@ss:
32160702
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产品名称

抗-Prelamin-A抗体,克隆7G11, clone 7G11, from rat

biological source

rat

conjugate

unconjugated

antibody form

purified antibody

antibody product type

primary antibodies

clone

7G11, monoclonal

species reactivity

mouse

technique(s)

immunofluorescence: suitable
western blot: suitable

isotype

IgG2aκ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Quality Level

Gene Information

mouse ... Lmna(16905)

Analysis Note

通过蛋白质印迹法在RAW264.7细胞裂解物中进行评价。

蛋白质印迹分析:0.5 µg/mL的该抗体在小鼠RAW 264.7巨噬细胞中检测到2天FTI-276(5 µM;目录号344550)处理诱导的前层蛋白-A蓄积。

Application

研究子类别
粘附(CAMs)
研究类别
细胞结构
蛋白质印迹分析:0.5 µg/mL的该抗体在C2C12细胞裂解物中检测到2天FTI(5 µM;目录号344550)处理诱导的前层蛋白-A积累。
免疫荧光分析:使用来自角质形成细胞特异性Fntb基因敲除小鼠的多聚甲醛固定和石蜡包埋的皮肤切片,通过荧光免疫组织化学,一个代表性批次在角质形成细胞中检测到上调的前层蛋白-A免疫反应性,但在真皮成纤维细胞中未检测到,而在来自具有非组织/细胞类型特异性Zmpste24基因敲除小鼠的角质形成细胞和真皮成纤维细胞中均观察到前层蛋白-A上调(Lee,R.,et al.(2010).Hum.Mol.Gene.19(8):1603-1617)。
免疫荧光分析:使用来自仅产生C662S非法尼基化前层蛋白-A(nPLAO/nPLAO)且不产生核纤层蛋白-C的转基因小鼠品系的甲醇固定和吐温透化冷冻肝脏切片,通过荧光免疫组织化学法,一个代表性批次对肝细胞核边缘进行染色,而在野生型小鼠或仅产生野生型前层蛋白-A(PLAO/PLAO)且不产生核纤层蛋白-C的小鼠品系的肝脏切片中检测不到细胞前层蛋白-A水平(Davies,BS,et al.(2010).Hum.Mol.Genet.19(13):2682-2694)。
蛋白质印迹分析:一个代表性批次在法尼基转移酶抑制剂(FTI)处理后在鼠成纤维细胞中检测到细胞前层蛋白-A积累。克隆7G11选择性地检测前层蛋白-A,但不检测成熟的核纤层蛋白-A或核纤层蛋白-C(Lee,R.,et al.(2010).Hum.Mol.Genet.19(8):1603-1617)。
注意:在正常情况下,细胞前层蛋白-A水平低于检测水平。任何新产生的前层蛋白-A都可以快速进一步加工以产生成熟的核纤层蛋白-A。必须抑制细胞法尼基转移酶和/或ZMPSTE24活性(通过基因敲除或抑制剂处理),以允许基于抗体的细胞前层蛋白-A检测。
该抗前层蛋白-A抗体(克隆7G11)经验证可用于蛋白质印迹和免疫荧光检测前层蛋白-A。

Biochem/physiol Actions

克隆7G11可以检测到前层蛋白-A,无论其法尼基化状态如何,但不能检测到成熟的核纤层蛋白-A(a.a.1-647)缺少C末端前肽序列。克隆7G11未检测到剪接亚型C1&C2(核纤层蛋白-C;P48678-2&P48678-3)的前体或成熟形式。

Disclaimer

除非我们的目录或产品随附的其他公司文件中另有说明,否则我们的产品预期仅用于研究用途,不得用于任何其他目的,包括但不限于未经授权的商业用途、体外诊断用途、离体或体内治疗用途或对人类或动物的任何类型的消费或应用。

General description

核纤层蛋白-A是核纤层的关键组成部分,核纤层是内膜下方的蛋白质网络,决定了核的形状和大小。编码核纤层蛋白-A的同一基因(鼠种中的Lmna、Dhe或Lamn1;基因ID 16905)也编码交替剪接的前层蛋白-C亚型(UniProt P48678-2和P48678-3)。鼠核纤层蛋白-A(UniProt P48678-1)最初是以665个氨基酸的前层蛋白A产生的,其末端为CAAX基序。通过四个酶促步骤对其进行翻译后进一步处理,以产生成熟的核纤层蛋白-A。Cys662的法尼基化,最后三个氨基酸的内蛋白水解切割(a.a.663-665),Cys662的羧甲基化以及剩余的前肽序列的最终内蛋白水解去除(a.a.648-662),包括法尼基化的Cys662,由ER膜锌金属蛋白酶ZMPSTE24催化。
观测分子量〜74 kDa。该抗体可检测一种A形式的前层蛋白,但不能检测亚型C。

Immunogen

对应于小鼠前层蛋白-A的C末端前肽序列的线性肽。
表位:C末端前肽序列

Other Notes

浓度:请参考特定批次的数据表。

Physical form

形式:纯化
纯化的大鼠单克隆IgG2aκ抗体,溶于含0.1 M Tris-甘氨酸(pH 7.4)、150 mM NaCl和0.05%叠氮化钠的缓冲液中。
纯化蛋白G

Preparation Note

自接收之日起,在2-8°C下可稳定保存1年。

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存储类别

12 - Non Combustible Liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Andrea Casasola et al.
Nucleus (Austin, Tex.), 7(1), 84-102 (2016-02-24)
Lamin A is part of a complex structural meshwork located beneath the nuclear envelope and is involved in both structural support and the regulation of gene expression. Lamin A is initially expressed as prelamin A, which contains an extended carboxyl
Carlos González-Blanco et al.
Aging, 14(5), 2047-2061 (2022-03-21)
Hutchinson-Gilford Progeria Syndrome is an ultrarare disease which is characterized by an accelerated senescence phenotype with deleterious consequences to people suffering this pathology. The production of an abnormal protein derived from lamin A, called progerin, presents a farnesylated domain, which
Xue Chen et al.
eLife, 10 (2021-02-03)
A farnesylated and methylated form of prelamin A called progerin causes Hutchinson-Gilford progeria syndrome (HGPS). Inhibiting progerin methylation by inactivating the isoprenylcysteine carboxylmethyltransferase (ICMT) gene stimulates proliferation of HGPS cells and improves survival of Zmpste24-deficient mice. However, we don't know

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