221M-1

Annexin A1 (MRQ-3) Mouse Monoclonal Antibody

• Código UNSPSC: 12352203
• NACRES: NA.41

Propiedades

• origen biológico: mouse
• Nivel de calidad: 100; 500
• conjugado: unconjugated
• forma del anticuerpo: culture supernatant
• tipo de anticuerpo: primary antibodies
• clon: MRQ-3, monoclonal
• descripción: For In Vitro Diagnostic Use in Select Regions (See Chart)
• formulario: buffered aqueous solution
• reactividad de especies: human
• envase: vial of 0.1 mL concentrate (221M-14); vial of 0.5 mL concentrate (221M-15); bottle of 1.0 mL predilute (221M-17); vial of 1.0 mL concentrate (221M-16); bottle of 7.0 mL predilute (221M-18)
• fabricante / nombre comercial: Cell Marque^™
• técnicas: immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:100-1:500
• isotipo: IgG1
• control: hairy cell leukemia
• Condiciones de envío: wet ice
• temp. de almacenamiento: 2-8°C
• visualización: cytoplasmic, membranous

Descripción

Descripción general

ANXA1 is strongly expressed on the cell membrane and occasionally in the cytoplasm of tumor cells in 97% of samples from patients with hairy cell leukemia. By contrast, B-cell lymphomas other than hairy cell leukemia, including typical splenic lymphoma with villous lymphocytes and patients with variant hairy cell leukemia—as defined by current morphologic, phenotypic, and clinical criteria—are ANXA1-negative. In a study by Falini et al. ANXA1 immunodetection was 100% sensitive and specific for hairy cell leukemia. Normal B cells from different lympho-hemopoietic tissues were ANXA1-negative. In this study the expression of ANXA1 in myeloid cells, macrophages, or T-cell subset served as positive control. These findings validated the results of gene expression profiling in hairy cell leukemia at the protein level by showing that ANXA1 is consistently expressed in this type of leukemic disease, but not in other B-cell lymphomas. Of note is that negativity for ANXA1 was also present in patients with splenic lymphoma with villous lymphocytes, variant hairy cell leukemia, prolymphocytic leukemia, marginal zone and lymphoplasmacytoid lymphomas. Thus, ANXA1 is a molecule specific to hairy cell leukemia that can be used to differentiate this disease from other B-cell lymphomas. Wang et al. showed that high ANXA1 expression is frequent in esophageal and esophagogastric junction adenocarcinomas, is associated with more advanced pathologic T stage and the presence of distant metastasis, and is an independent prognostic factor for patient survival.
Associated products: TRAcP, T-bet.

Calidad

IVD

IVD

IVD

RUO

Ligadura / enlace

Annexin A1 Positive Control Slides, Product No. 221S, are available for immunohistochemistry (formalin-fixed, paraffin-embedded sections).

Forma física

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

Nota de preparación

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

Otras notas

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

Información legal

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

Información de seguridad

• Código de clase de almacenamiento: 12 - Non Combustible Liquids
• Clase de riesgo para el agua (WGK): WGK 2
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable