PODXL (基因名), Podocalyxin (蛋白名), PODXL_HUMAN.
产品名称:
Human PODXL/ Podocalyxin ELISA Kit
足细胞标记蛋白
货号:
E0768h
商标:
EIAab®
监管等级:
别名:
GCTM-2 antigen, Gp200, Podocalyxin-like protein 1, PC, PCLP, PCLP1
检测方法:
ELISA
实验类型:
Sandwich
检测范围:
0.156-10ng/mL
灵敏度:
0.1ng/mL
特异性:
Natural and recombinant human Podocalyxin
样品类型:
Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
样品数据:
登录.
实验步骤:
研究领域:
Cancer
精密度
批内差：已知浓度的3个样本在一个板子内重复检测20次，以评估批内精密度。
批内 CV： ≤4.7%
批间差：已知浓度的3个样本在不同的板子上重复测定5次，以评估测定批间精密度。
批间 CV： ≤8.9%
批内 CV： ≤4.7%
批间差：已知浓度的3个样本在不同的板子上重复测定5次，以评估测定批间精密度。
批间 CV： ≤8.9%
回收率
回收率：低、中和高浓度的分析物被掺入到血清或者血浆样本中，进行回收实验测定。
|
Sample Type |
Average(%) |
Recovery Range(%) |
|
Serum |
103 |
97-109 |
|
Plasma |
105 |
99-111 |
线性
线性：给定样本通过梯度稀释，每次稀释的测量值与理论值的比值。
|
Sample |
1：2 |
1:4 |
1:8 |
1:16 |
|
serum(n=5) |
88-98% |
105-116% |
81-81% |
110-110% |
|
EDTA plasma(n=5) |
80-89% |
101-113% |
92-104% |
104-113% |
|
heparin plasma(n=5) |
90-99%
|
99-108% |
82-92% |
106-115% |
通用注释
亚单元:
Monomer; when associated with the membrane raft. Oligomer; when integrated in the apical membrane. Interacts (via the C-terminal PDZ-binding motif DTHL) with SLC9A3R1 (via the PDZ domains); the interaction is not detected in glomerular epithelium cells, take place early in the secretory pathway and is necessary for its apical membrane sorting. Found in a complex with EZR, PODXL and SLC9A3R2. Associates with the actin cytoskeleton through complex formation with EZR and SLC9A3R2. Interacts (via the C-terminal PDZ-binding motif DTHL) with SLC9A3R2 (via the PDZ 1 domain); interaction is detected in glomerular epithelium cells (By similarity). Interacts with EZR.
功能:
Involved in the regulation of both adhesion and cell morphology and cancer progression. Function as an anti-adhesive molecule that maintains an open filtration pathway between neighboring foot processes in the podocyte by charge repulsion. Acts as a pro-adhesive molecule, enhancing the adherence of cells to immobilized ligands, increasing the rate of migration and cell-cell contacts in an integrin-dependent manner. Induces the formation of apical actin-dependent microvilli. Involved in the formation of a preapical plasma membrane subdomain to set up inital epithelial polarization and the apical lumen formation during renal tubulogenesis. Plays a role in cancer development and aggressiveness by inducing cell migration and invasion through its interaction with the actin-binding protein EZR. Affects EZR-dependent signaling events, leading to increased activities of the MAPK and PI3K pathways in cancer cells.
亚细胞位置:
Apical cell membrane
Cell projection
Lamellipodium
Cell projection
Filopodium
Cell projection
Ruffle
Cell projection
Microvillus
Membrane raft
Membrane
Single-pass type I membrane protein
In single attached epithelial cells is restricted to a preapical pole on the free plasma membrane whereas other apical and basolateral proteins are not yet polarized. Colocalizes with SLC9A3R2 at the apical plasma membrane during epithelial polarization. Colocalizes with SLC9A3R1 at the trans-Golgi network (transiently) and at the apical plasma membrane. Its association with the membrane raft is transient. Colocalizes with actin filaments, EZR and SLC9A3R1 in a punctate pattern at the apical cell surface where microvilli form. Colocalizes with EZR and SLC9A3R2 at the apical cell membrane of glomerular epithelium cells (By similarity). Forms granular, punctuated pattern, forming patches, preferentially adopting a polar distribution, located on the migrating poles of the cell or forming clusters along the terminal ends of filipodia establishing contact with the endothelial cells. Colocalizes with the submembrane actin of lamellipodia, particularly associated with ruffles. Colocalizes with vinculin at protrusions of cells. Colocalizes with ITGB1. Colocalizes with PARD3, PRKCI, EXOC5, OCLN, RAB11A and RAB8A in apical membrane initiation sites (AMIS) during the generation of apical surface and luminogenesis (By similarity).
数据库链接
验证序列:
[1].
Rossi E, Smadja D M, Boscolo E, et al.
[1].
人足细胞标记蛋白(PODXL)ELISA试剂盒可以做多少个样本？
人足细胞标记蛋白(PODXL)ELISA试剂盒分为2种规格，96孔和48孔。96孔的试剂盒，标曲和样本都做复孔的话，可以检测40个样本。96孔的试剂盒，标曲和样本都不做复孔的话，可以检测88个样本。
[2].
人足细胞标记蛋白(PODXL)ELISA试剂盒使用视频？
人足细胞标记蛋白(PODXL)ELISA试剂盒实验操作视频在以下网址中，对每一步的实验步骤都做了演示，方便实验员能更好地理解ELISA实验的过程。
https://www.eiaab.com.cn/lesson-tech/805.html
https://www.eiaab.com.cn/lesson-tech/805.html
[3].
人足细胞标记蛋白(PODXL)ELISA试剂盒是放在-20℃冰箱保存吗？
EIAab的人足细胞标记蛋白(PODXL)ELISA试剂盒，洗涤液、底物、终止液保存于4℃，其余试剂-20℃冰箱保存。
[4].
人足细胞标记蛋白(PODXL)ELISA试剂盒原理？
双抗体夹心法：用纯化的抗体包被微孔板，制成固相抗体，往包被有固相抗体的微孔中依次加入标准品或受检样本、生物素化抗体、HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。用酶标仪在450nm波长下测定吸光度(OD值）,计算样本浓度。
竞争法：用纯化的抗体包被微孔板，制成固相抗体，往包被有固相抗体的微孔中依次加入标准品或受检样本和生物素标记的目标分析物，受检标本中抗原与生物素标记抗原竞争结合有限的抗体。再加入HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。用酶标仪在450nm波长下测定吸光度(OD值）,计算样本浓度。
竞争法：用纯化的抗体包被微孔板，制成固相抗体，往包被有固相抗体的微孔中依次加入标准品或受检样本和生物素标记的目标分析物，受检标本中抗原与生物素标记抗原竞争结合有限的抗体。再加入HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。用酶标仪在450nm波长下测定吸光度(OD值）,计算样本浓度。
[5].
人足细胞标记蛋白(PODXL)ELISA试剂盒中需要使用的样品量是多少？
夹心法100μL/孔，竞争法50μL/孔。如样本浓度过高时，应对样本进行稀释，以使稀释后的样本符合试剂盒的检测范围，计算时再乘以相应的稀释倍数。
[6].
如何分析人足细胞标记蛋白(PODXL)ELISA试剂盒数据？
建议标准曲线，并计算样本浓度。对于elisa的曲线拟合，一般建议采用4参数曲线拟合，4参数曲线拟合通常更适合免疫分析。推荐使用专业软件进行曲线拟合，例如curve expert 1.3。根据样本的OD值由标曲查出相应的浓度，再乘以稀释倍数；或用标准物的浓度与OD值计算出标曲的回归方程式，将样本的OD值代入方程式，计算出样本浓度，再乘以稀释倍数，即为样本的实际浓度。以下链接是curve expert 1.3软件拟合曲线的方法。
https://www.eiaab.com.cn/news/502/
https://www.eiaab.com.cn/news/502/
[7].
人足细胞标记蛋白(PODXL)ELISA试剂盒中是否包含人和动物的副产物，是否包含感染的或者传染性原料如HIV等？
除了抗体和稀释液中的BSA，不含其它人和动物的副产物，也不含感染材料。
[8].
收集人足细胞标记蛋白(PODXL)ELISA试剂盒血浆样本，用什么作为抗凝剂？
一般建议用EDTA和肝素作为抗凝剂。
[9].
人足细胞标记蛋白(PODXL)ELISA试剂盒酶标板可以拆成几部分？拆的时候是否需要避光，无菌？
人足细胞标记蛋白(PODXL)ELISA试剂盒酶标板是8×12孔条，可拆卸，板子可以拆成12条，注意避免孔污染，不需要避光和无菌。暂时不用的板子，放回原来装的袋子里，密封保存。
[10].
人足细胞标记蛋白(PODXL)ELISA试剂盒样本如何保存？
尽量检测新鲜样本。若无新鲜样本，则4℃保存1周，-20℃保存1个月，-80℃保存2个月。
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