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Merck
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Key Documents

352A-7

Sigma-Aldrich

Napsin A Rabbit Polyclonal Antibody

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

100
500

conjugate

unconjugated

antibody form

Ig fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

description

For In Vitro Diagnostic Use in Select Regions (See Chart)

form

buffered aqueous solution

species reactivity

human

packaging

vial of 0.1 mL concentrate (352A-74)
vial of 0.5 mL concentrate (352A-75)
bottle of 1.0 mL predilute (352A-77)
vial of 1.0 mL concentrate (352A-76)
bottle of 7.0 mL predilute (352A-78)

manufacturer/tradename

Cell Marque™

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:100-1:500

control

kidney, lung adenocarcinoma

shipped in

wet ice

storage temp.

2-8°C

visualization

cytoplasmic

Categorías relacionadas

General description

Napsin is a pepsin-like aspartic proteinase, in the A1 clan of the AA clade of proteinases. There are two closely related napsins, napsin A and napsin B. Napsin A is expressed as a single chain protein with the molecular weight of approximately 38 kDa. Immunohistochemical studies revealed high expression levels of napsin A in human lung and kidney but low expression in spleen. Napsin A is expressed in type II pneumocytes and in adenocarcinomas of lung. The high specificity expression of napsin A in adenocarcinomas of lung is useful to distinguish primary lung adenocarcinomas from adenocarcinomas of other organs.

Quality


IVD
IVD
IVD
RUO

Linkage

Napsin A Positive Control Slides, Product No. 352S, are available for immunohistochemistry (formalin-fixed, paraffin-embedded sections).

Physical form

Solution in Tris Buffer, pH 7.3-7.7, with 1% BSA and <0.1% Sodium Azide

Preparation Note

Download the IFU specific to your product lot and formatNote: This requires a keycode which can be found on your packaging or product label.

Other Notes

For Technical Service please contact: 800-665-7284 or email: service@cellmarque.com

Legal Information

Cell Marque is a trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Annika Dejmek et al.
Diagnostic cytopathology, 35(8), 493-497 (2007-07-20)
The purpose of this study was to test napsin A as a diagnostic marker of metastatic lung adenocarcinoma in pleural effusions, and to compare its performance with TTF-1. Napsin A and TTF-1 reactivities were determined immunohistochemically on formalin-fixed paraffin embedded
Jaishree Jagirdar
Archives of pathology & laboratory medicine, 132(3), 384-396 (2008-03-06)
Immunohistochemistry is a very valuable and often used tool in the differential diagnosis of lung carcinomas whether primary or secondary to the lung. The most useful application is in distinguishing primary lung tumors from metastatic tumors to the lung from
Kentaro Inamura et al.
The American journal of surgical pathology, 29(5), 660-665 (2005-04-16)
Primary pulmonary adenocarcinomas with enteric differentiation (PAED) are mainly composed of tall-columnar cells that show similarity to intestinal epithelia and colorectal carcinomas. In this study, we analyzed the immunostaining profiles of 7 PAEDs in comparison with 14 metastatic colorectal carcinomas
Justin A Bishop et al.
Human pathology, 41(1), 20-25 (2009-09-11)
Recent advances in the treatment of pulmonary adenocarcinoma have increased the need for accurate typing of non-small cell carcinomas. Immunohistochemistry for thyroid transcription factor-1 is widely used in the diagnosis of pulmonary adenocarcinomas because it marks approximately 75% of lung
Jiqing Ye et al.
Applied immunohistochemistry & molecular morphology : AIMM, 19(4), 313-317 (2011-04-06)
Differentiation of primary from metastatic adenocarcinoma in the lung can be challenging, and it demands sensitive and specific biomarkers, especially when the tissue for diagnosis is limited. Thyroid transcription factor-1 (TTF-1) has been considered a reliable marker for adenocarcinoma of

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