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上海研盟生物科技有限公司
上海研盟生物科技有限公司
“Anti-TIMP-4抗體,金屬蛋白酶組織抑制因子-4抗體"2A抗體規格0.1ml、0.2ml、1ml，抗體產品有效期一年，質保三個月，質保期內出現任何質量問題或是出不了實驗結果均可免費退換：
上海研盟生物科技有限公司Anti-TIMP-4抗體,金屬蛋白酶組織抑制因子-4抗體*，主要應用于WB、IHC、IF、ELISA、流式細胞術等實驗中。說明書隨貨發送，您也可以直接我司在線客服索取。客服
簡單介紹：
中文名稱：金屬蛋白酶組織抑制因子-4抗體
英文名稱：Anti-TIMP-4
產品編號：byk-0418R
產品別名：Metalloproteinase inhibitor 4; TIMP 4; TIMP4; TIMP metallopeptidase inhibitor 4; TIMP-4; Timp4; TIMP4_HUMAN; Tissue inhibitor of metalloproteinase 4.
產品規格：0.1ml、0.2ml、1ml
產品用途：科研實驗
產品價格：請報價
說明書：請添加客服直接索取
抗體來源：該指標有兩種產品，一種是兔來源抗體，一種是鼠來源抗體
克隆類型：兔來源為多克隆抗體，鼠來源單克隆抗體
交叉反應：請索取說明書查看
性 狀：Lyophilized or Liquid
濃 度：1mg/1ml
亞 型:IgG
純化方法: affinity purified by Protein A
儲 存 液: 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol
保存條件: Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Anti-TIMP-4抗體,金屬蛋白酶組織抑制因子-4抗體產品介紹：The tissue inhibitors of metalloproteinases (TIMPs) are naturally occurring proteins that specifically inhibit matrix metalloproteinases and regulate extracellular matrix turnover and tissue remodeling by forming tightbinding inhibitory complexes with the MMPs. Thus, TIMPs maintain the balance between matrix destruction and formation. An imbalance between MMPs and the associated TIMPs may play a significant role in the invasive phenotype of malignant tumors. The TIMP proteins share several structural features including six loops held in place by six disulfide bonds arranged in three knot-like structures. These proteins also contain twelve cysteine residues in conserved regions of the molecule that form six disulfide bonds, essential for the formation of native conformations, and the N terminal region that is necessary for inhibitory activities. The N terminus of each TIMP contains a consensus sequence (VIRAK) and each TIMP is translated with a 29 amino acid leader sequence that is cleaved off to produce the mature protein. The C terminal regions are divergent, which enhances the selectivity of inhibition and binding efficiency. Although the TIMP proteins share high homology, they may either be secreted extracellularly in soluble form (TIMP1, TIMP2 and TIMP4) or bind to extracellular matrix components (TIMP3).
The MMPs and TIMPs can be divided into two groups with respect to gene expression: the majority exhibit inducible expression and a small number are produced constitutively or are expressed at very low levels and are not inducible. Among agents that induce MMP and TIMP production are the inflammatory cytokines TNF alpha and IL1 beta. A marked cell type specificity is a hallmark of both MMP and TIMP gene expression (i.e. a limited number of cell types can be induced to make these proteins). Tissue Inhibitor of Metalloproteinases 4 (TIMP4) was identified by molecular cloning. TIMP4 shows 37 % amino acid identity with TIMP1 and 51 % homology with TIMP2 and TIMP3. TIMP4 is secreted extracellularly, predominantly in heart and brain tissue. It may function in a tissue specific fashion in extracellular matrix (ECM) homeostasis. TIMP4 has a strong inhibitory effect on the invasion of human breast cancer cells across reconstituted basement membranes suggesting that TIMP4 may have an important role in inhibiting primary tumor growth and progression. The human TIMP4 gene has the chromosomal location of 3p25.
免疫組化的呈色深淺可反映抗原存在的數量，可作為定性、定位和定量的依據。
1.陽性細胞染色分布有三種類型：細胞漿、細胞核、細胞膜表面。大部分抗原見于細胞漿，可見于整個胞漿或部分胞漿
2.陽性細胞分布可分為灶型和彌漫性
3.由于細胞內含抗原量不同，所以染色強度不一。如果細胞之間染色強度相同，常提示其反應為非特異性
4.陽性細胞染色定位于單個細胞，且與陰性細胞相互交雜分布；而非特異性染色常不限于單個細胞，而是累及一片細胞。
5.切片邊緣、刀痕或褶皺區域，壞死或擠壓的細胞區，膠原結締組織等，常表現為相同的陽性染色強度，不能用于判斷陽性。
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