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Key Documents

294R-1

Sigma-Aldrich

BOB.1 (SP92) Rabbit Monoclonal Antibody

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Niveau de qualité

100
500

Conjugué

unconjugated

Forme d'anticorps

culture supernatant

Type de produit anticorps

primary antibodies

Clone

SP92, monoclonal

Description

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

Forme

buffered aqueous solution

Espèces réactives

human

Conditionnement

vial of 0.1 mL concentrate (294R-14)
vial of 0.5 mL concentrate (294R-15)
bottle of 1.0 mL predilute (294R-17)
vial of 1.0 mL concentrate (294R-16)
bottle of 7.0 mL predilute (294R-18)

Fabricant/nom de marque

Cell Marque™

Technique(s)

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

Isotype

IgG1

Contrôle

B-cell lymphoma, tonsil

Conditions d'expédition

wet ice

Température de stockage

2-8°C

Visualisation

nuclear

Informations sur le gène

human ... POU2AF1(5450)

Description générale

Expression of BOB.1/OBF.1 is restricted largely to mature B-cells. Germinal center B-cells normally demonstrate strong staining for BOB.1, as do mantle-zone B-cells, and plasma cells. Analyses of BOB.1/OBF.1 expression in a variety of established B-cell lines representing different stages of B-cell development has suggested a constitutive, B-cell-specific expression pattern. Because they are germinal center derived, L&H cells in nodular lymphocyte predominant Hodgkin lymphoma are consistenty immunoreactive for BOB.1. Conversely, the Hodgkin/Reed- Sternberg cells in classical Hodgkin lymphoma either do not express both (80%) or express only one (20%) of the two proteins. In B-cell lymphomas, the highest expression levels for BOB.1/OBF.1 are reported in follicular center lymphomas, diffuse large B-cell lymphomas and Burkitt lymphomas.B-CLL, MALT-type, and mantle cell lymphomas score negative or display an heterogenous/weaker reactivity.10-11 Studies have suggested that anti-BOB. has a high predictive value in discriminating primary mediastinal B-cell lymphoma from classical Hodgkin disease.Approximately 50% of acute myeloid leukemias express BOB.1.

Liaison

BOB.1 Positive Control Slides, Product No. 294S, are available for immunohistochemistry (formalin-fixed, paraffin-embedded sections).

Forme physique

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

Notes préparatoires

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

Autres remarques

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

Informations légales

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

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Consulter la Bibliothèque de documents

Susanne Annette Steimle-Grauer et al.
Virchows Archiv : an international journal of pathology, 442(3), 284-293 (2003-03-21)
The World Health Organization (WHO) classification of Hodgkin lymphoma (HL) distinguishes two types: Classical Hodgkin lymphoma (CHL) and nodular lymphocyte predominant Hodgkin lymphoma (NLPHL). Both groups have in common that they mostly derive from B cells with rare classical cases
Ana-Isabel Sáez et al.
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 15(3), 211-220 (2002-03-21)
Oct1 and Oct2 are transcription factors of the POU homeo-domain family that bind to the Ig gene octamer sites, regulating B-cell-specific genes. The function of these transcription factors is dependent on the activity of B-cell-restricted coactivators such as BOB.1/OBF.1. Independent
A Greiner et al.
The American journal of pathology, 156(2), 501-507 (2000-02-10)
The BOB.1/OBF.1/OCAB.1 protein is a lymphocyte-specific transcriptional coactivator. It interacts with the Oct1 and Oct2 transcription factors and contributes to the transcriptional activity of octamer motifs. The analysis of established B cell lines had suggested that BOB.1/OBF.1 is constitutively expressed
H Stein et al.
Blood, 97(2), 496-501 (2001-01-12)
In contrast to the tumor cells (L&H cells) of lymphocyte predominant Hodgkin disease (LPHD), Hodgkin and Reed-Sternberg (HRS) cells of classical Hodgkin disease (cHD) are unable to transcribe immunoglobulin, despite the presence of rearranged immunoglobulin genes. Although initial studies have
Hajime Kuroda et al.
Breast cancer (Tokyo, Japan), 14(3), 317-322 (2007-08-11)
Diffuse large B cell lymphoma (DLBL) of the breast is a rare subtype of breast tumor, the diagnosis of which is based on the cytological and histopathological features of this unique neoplasm. A 28-year-old woman noticed a mass in her
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