世界*实验材料供应商 Dianova 正式授权上海起发为其中国代理， Dianova 在一直是行业的*,一直为广大科研客户提供zui为的产品和服务,上海起发一直秉承为中国科研客户带来的产品，的服务，签约 Dianova 就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们zui大的收获

 Dianova 中国代理, Dianova 上海代理， Dianova 北京代理，Dianova 广东代理， Dianova 江苏代理Dianova 湖北代理,Dianova 天津,Dianova 黑龙江代理,Dianova 内蒙古代理,Dianova 吉林代理,Dianova 福建代理, Dianova 江苏代理, Dianova 浙江代理, Dianova 四川代理,

Dianova公司为德国的病理免疫组化产品供应商，具备的抗体制备工艺及严格的质控系统，产品在上享有良好的声誉。

克隆号为H09的IDH1（isocitrate dehydrogenase 1, 异柠檬酸盐脱氢酶1）鼠单克隆抗体为Dianova公司近期推出的产品之一，此抗体可特异性的检测脑组织肿瘤中IDH1基因的R132H点突变。IDH1基因的第132密码子的杂合突变是II 和III级神经胶质瘤（根据WHO的肿瘤学分类）的频发事件。在大约70％的星形胶质细胞瘤和少突神经胶质细胞瘤可发现IDH1基因的R132H点突变。

IDH1基因R132H突变在部分脑肿瘤中的频发现象使克隆号为H09的IDH1抗体可高灵敏性和高特异性的用于此类肿瘤的鉴别诊断中：如从原发性胶质母细胞瘤中区分出间变性星形细胞瘤、从毛细胞型星形细胞瘤或室管膜（细胞）瘤中区分出弥漫性星形细胞瘤（WHO分类II级），也可以用于具有IDH1突变的肿瘤细胞浸润前沿的与反应性神经胶质增多症的区分。因此，由于其高灵敏性和高特异性，此抗体在脑部肿瘤的分类分级中以及在检测单一或少量浸润肿瘤细胞时是非常有用的。

DIA-303 – Anti-CD3 e (Ms) aus Ratte (Klon: HH3E) für Paraffingewebe aus Maus – 500 µl

Art.-Nr.                        DIA-303

Spezifität                      CD3 e

Spezies-Reaktivität             Maus

Wirtsspezies                     Ratte

Isotyp                           IgG1/k

Klon                             HH3E

Klonalität (Mono-/Polyklonal)     monoklonal

Anwendung                        Immunhistochemie (IHC)

                                 Immunhistochemie (Paraffingewebe)
                                 Gefrierschnitte (IHC-F)
                                 Western Blot

Konjugation                       unkonjugiert

Verdünnung                        Histo-/Zytochemie 1:100

Format                            Lyophilisat

                                  gereinigter Antikörper (aus Kulturüberstand)

Produktlinie / Thema               CD-Marker

                                   Immunhistochemie

Zweckbestimmung                     nur für Forschungszwecke

Suchcode                             DIA303M

                                     DIA303

Hersler / Marke                   dianova

Reactivity:

Antibody clone HH3E has been validated specifically for the detection of murine CD3 in formalin-fixed paraffin-embedded tissue sections (mouse FFPE). It detects a conserved epitope on the CD3 epsilon chain in a broad variety of species. CD3 is a defining feature of cells belonging to the T cell lineage and can therefore be used as T cell marker.
Cluster of differentiation 3 (CD3) is composed of four distinct polypeptide chains CD3 gamma, CD3 delta, CD3 epsilon and CD3 zeta, that form a multimeric protein complex. The CD3 complex associates non-covalently with the T cell receptor (TCR) and serves as a T cell co-receptor. The CD3 components have long cytoplasmic tails that associate with cytoplasmic signal trans-duction molecules. The T cell antigen receptor (TCR) recognizes foreign antigens and translates such recognition events into in-tracellular signals that elicit a change in the cell from a dormant to an activated state. During T cell maturation the expression of CD3 migrates from the cytoplasm of pro-thymocytes to the cell-membrane of thymocytes. The specific appearance at all stages of T cell development make CD3 an ideal marker for normal T cells and T cell neoplasms (lymphomas, leukemias). Moreover, CD3 is a usefull immunohistochemical marker for T cells in tissue sections.
In a clinical setting in humans, CD3 serves as an important T cell marker for the classification of malignant lymphomas and leu-kemias. It can also be used to detect T cells in coeliac disease, lymphocytic and collagenous colitis. An anti-CD3 epsilon anti-body (Okt3) has been clinically approved for the induction of immunosuppression in organ transplantation. In animal studies anti-CD3 antibodies can induce tolerance to allografts.

Immunohistochemistry of mouse CD3e (TCRE) in formalin-fixed paraffin-embedded tissue sections

The monoclonal antibody clone HH3E specifically stains mouse tissue sections by IHC-FFPE: Lymph nodes (A,B), spleen (C) and kidney (D).

All sections were stained by an indirect alkaline phosphatase method according to standard procedures with antigen retrieval by high-temperature heating in citrate buffer and counterstaining with Haematoxylin.

A

B

C

D

Related References:

1. Leon F. Flow cytometry of intestinal intraepithelial lymphocytes in celiac disease. Journal of Immunological Methods 363: 177-186, 2011
2. Smith-Garvin JE et al.. T cell activation. Annu Rev Immunol. 27:591-619, 2009
3. Sapp H et al.The terminal ileum is affected in patients with lymphocytic or collagenous colitis. Am J Surg Pathol. 26(11):1484-1492, 2002
4. Vernau W, Moore PF. An immunophenotypic study of canine leukemias and preliminary assessment of clon-ality by polymerase chain reaction. Vet Immunol Immunopathol. 69:145-164, 1999
5. Mosnier et al. Lymphocytic and collagenous colitis: an immunohistochemical study. Am J Gastroenterol. 91(4):709-713, 1996
6. Chetty R, Gatter K. CD3: Structure, function, and role of immunostaining in clinical practice. The Journal of Pathology 173(4): 303–307, 1994
7. Salvadori S et al. Abnormal signal transduction by T cells of mice with parental tumors is not seen in mice bearing IL-2-secreting tumors. J Immunol. 153(11):5176-5182, 1994
8. Nicolls MR et al. Induction of long-term specific tolerance to allografts in rats by therapy with an anti-CD3-like monoclonal antibody. Transplantation 55(3):459-468, 1993

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