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- 克隆性：
单克隆
- 抗体英文名：
Anti-Socs 2(suppress
- 抗体名：
细胞因子信号传导抑制蛋白2抗体
The eight members of the recently identified Suppressor of Cytokines Signalling (SOCS) family are SOCS1, SOCS2, SOCS3, SOCS4, SOCS5, SOCS6, SOCS7, and CIS. Structurally the SOCS proteins are composed of an N-terminal region of variable length and amino acid composition, a central SH2 domain, and a C-terminal motif called the SOCS box. The SOCS proteins appear to form part of a classical negative feedback loop that regulates cytokine signal transduction. Transcription of each of the SOCS genes occurs rapidly in vitro and in vivo in response to cytokines, and once produced, the various members of the SOCS family appear to inhibit signalling in different ways.
SOCS2 is capable of inhibiting cytokine signalling by interleukin-6 (IL-6) and growth hormone. SOCS2 interacts with the phosphorylated insulin-like growth factor (IGF-I) receptor, where it may play a regulatory role in cellular growth, differentiation, and inhibition of apoptosis via the Ras and PI3K signalling pathways. In humans, SOCS2 mRNA is expressed widely in both foetal and adult tissues, including foetal kidney and adult heart, skeletal muscle, pancreas, and liver. In rats, SOCS2 mRNA exhibits high levels of expression in liver and heart, and in the mouse nervous system, SOCS2 is expressed exclusively by neurons, where it is switched on developmentally in concordance with neuronal differentiation.
Accumulating evidence demonstrates that cytokine receptor signaling is negatively regulated by a family of Src homology 2 domain-containing adaptor molecules Termed SOCS (Suppressor of Cytokine Signaling). To date, there are eight members of SOCS family have been recognized, they are SOCS 1, 2, 3, 4, 5, 6, 7 and CIS. Structurally the SOCS proteins are composed of an N-terminal region of variable length and amino acid composition, a central SH2 domain, and a previously unrecognized C-terminal motif that we have called the SOCS box. The SOCS proteins appear to form part of a classical negative feed back loop that regulates cytokine signal transduction via a STAT induced transcriptional mechanism. Transcription of each of the SOCS genes occurs rapidly in vitro and in vivo in response to cytokines, and once produced, the various members of the SOCS family appear to inhibit signaling in different ways. SOCS 2, not like SOCS 1 and SOCS 3, regulates postnatal growth, likely through its ability to influence the GH / IGF 1axis, although they might have overlapping actions.
mol wt:23kDa
Other Aliases:
suppressor of cytokine signaling 2; suppressor of cytokine signaling SOCS2; CIS2; Cish2; SSI-2; SOCS2; STATI2
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文献和实验为什么蚁后多子多孙还长寿？最新 Science 揭示让蚂蚁寿命延长 5 倍的奥秘
繁殖，但蚁后的寿命却要比工蚁长得多。研究人员猜测，这背后一定有什么东西可以分别调节繁殖和寿命。 胰岛素信号通路中，有两个主要分支——AKT 和 MAPK。然而，研究人员观察到，在新晋蚁后的脂肪体和卵巢中，是 MAPK 而不是 AKT 具有活性。他们后续发现，新蚁后体内增加的胰岛素会诱导卵巢发育，然后开始产生一种称为 Imp-L2 的胰岛素抑制蛋白，Imp-L2 有助于降低脂肪体和卵巢中的 AKT 磷酸化，阻断 AKT 的信号传导，从而延长蚂蚁的寿命。因为 AKT 通路控制衰老，其活性增加会导致
有一个简单但很说明问题的实验，可以表明受体交联对于B细胞激活的重要性。分别用抗BCR抗体的Fab片段或F(ab)2片段处理B细胞。Fab因为是单价，不能交联BCR，故不能刺激B细胞活化。F(ab)2可分别与两个BCR分子结合而使之交联，B细胞可有微弱的激活。如果再进一步用抗F(ab)2抗体，通过与两个F(ab)2结合而使更多的BCR交联，则B细胞可获得很强的激活信号。显然，此处实施交联的是抗BCR抗体及抗抗体，而抗原对B细胞激活中发生的是抗原分子或相关复合结构对BCR的交联。 BCR
PCR芯片，研究者可以同时研究大量基因，既可以进行某些特别感兴趣的信号通路的研究，也可以作为验证芯片结果的方法。 为了获得理想的实验结果，PCR芯片面临以下挑战：高特异性，高灵敏度和可重复性。高灵敏度或低检出限，在样品的总RNA量少，基因表达量低的情况下，也能检测出目的基因。高特异性，扩增产物严格保证基因特异性，避免非特异性产物，如引物二聚体的产生。可重复性，通过标准化的反应体系和实验方法，使得多人多次重复实验均能获得可靠的基因定量结果。 PCR芯片实验操作步骤 采用PCR芯片进行实验只需
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