Thermo Fisher Scientific B7-H4 Polyclonal Antibody
Thermo Fisher Scientific의 B7-H4 Polyclonal Antibody는 인간 VTCN1 단백질을 인식하는 토끼 IgG 항체로, WB, IHC, ICC/IF에 사용됩니다. 항원 친화 크로마토그래피로 정제되었으며, 암 연구 및 면역조절 기전 분석에 적합합니다.
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Applications
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:1,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:1,000–1:2,500 |
| Immunocytochemistry (ICC/IF) | 0.25–2 µg/mL |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | Recombinant protein corresponding to Human VTCN1. Recombinant protein control fragment (Product #RP-100941) |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 0.1 mg/mL |
| Purification | Antigen affinity chromatography |
| Storage Buffer | PBS, pH 7.2, with 40% glycerol |
| Contains | 0.02% sodium azide |
| Storage Conditions | Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles. |
| Shipping Conditions | Wet ice |
| RRID | AB_2791339 |
Product Specific Information
Immunogen sequence:
ISGRHSITVT TVASAGNIGE DGILSCTFEP DIKLSDIVIQ WLKEGVLGLV HEFKEGKDEL SEQDEMFRGR TAVFADQVIV GNASLRL
Target Information
B7-H4 (also known as B7x, VTCN1) is a costimulatory protein functioning as a negative regulator of T-cell mediated immunity. Although its receptor remains unknown, B7-H4 is believed to deliver inhibitory signals to T-cells, suppressing proliferation, cell cycle progression, and interleukin-2 production.
It is expressed on activated T-cells, B-cells, monocytes, and dendritic cells. Aberrant expression is associated with cancers of the lung, breast, and ovary.
B7-H4 is primarily located on the membrane of lymphoid cells and acts as an immunoinhibitory protein, interacting with receptors on T lymphocytes to regulate cellular and humoral immune responses.
Overexpression is linked to tumor immune evasion, including ovarian and breast cancers. VTCN1 may serve as a biomarker for early detection of ovarian cancer and renal cell carcinoma (RCC).
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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