PIWIL2 antibody

别称:Piwi-like protein 2|Cancer/testis antigen 80 (CT80)|PIWIL2|HILI antibody
货号:FNab06476反应性:Human, Mouse, Rat
宿主:Rabbit验证实验:ELISA, IHC
克隆性:polyclonal亚型:IgG
规格 价格
100μg RMB ¥1750
50μg RMB ¥1050
货期: 三个工作日+顺丰快递时长
  • 产品介绍
  • 实验结果
  • 实验条件
  • 常见问题
产品名称
PIWIL2 antibody
货号
FNab06476
规格
100μg
状态
liquid
纯化方法
Immunogen affinity purified
纯度
≥95% as determined by SDS-PAGE
克隆性
polyclonal
亚型
IgG
存储
PBS with 0.02% sodium azide and 50% glycerol pH 7.3, -20℃ for 12 months(Avoid repeated freeze / thaw cycles.)
免疫原信息
免疫原
piwi-like 2(Drosophila)
别称
Piwi-like protein 2|Cancer/testis antigen 80 (CT80)|PIWIL2|HILI antibody
UniProt ID
Q8TC59
验证实验
验证实验
ELISA, IHC
建议稀释比例
IHC: 1:20-1:200
验证图片
Immunohistochemistry of paraffin-embedded human testis tissue slide using FNab06476(PIWIL2 antibody) at dilution of 1:50
背景介绍
Plays a central role during spermatogenesis by repressing transposable elements and preventing their mobilization, which is essential for the germline integrity. Plays an essential role in meiotic differentiation of spermatocytes, germ cell differentiation and in self-renewal of spermatogonial stem cells. Its presence in oocytes suggests that it may participate in similar functions during oogenesis in females. Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. Associates with primary piRNAs in the cytoplasm and is required for PIWIL4/MIWI2 nuclear localization and association with secondary piRNAs antisense. The piRNA process acts upstream of known mediators of DNA methylation. Participates in a piRNA amplification loop. Besides their function in transposable elements repression, piRNAs are probably involved in other processes during meiosis such as translation regulation. Indirectly modulate expression of genes such as PDGFRB, SLC2A1, ITGA6, GJA7, THY1, CD9 and STRA8(By similarity). Inhibits tumor cell growth when repressed. When overexpressed, acts as an oncogene by inhibition of apoptosis and promotion of proliferation in tumors(PubMed:16377660).
抗体可以回收利用几次?

一般抗体不推荐回收利用,抗体使用之后缓冲体系已经发生改变,不同客户在回收抗体的保存条件上也会有差异,所以抗体回收使用效果无法保证。

FineTest公司也做过一批抗体回收验证测试,测试结果显示不同抗体可回收次数不同,一般效价越高的抗体,可重复使用的次数越多,客户可根据实验情况来确定。

注:我们将孵育完毕后剩余的抗体回收到离心管中置于4℃保存,效价高的抗体可至少保存1周,重复利用3次左右。

FineTest公司抗体buffer成分是什么?

FineTest抗体成分一般是PBS含proclin300或sodium azide、BSA、50%甘油;也有一些是PBS含proclin300或sodium azide,50%甘油。防腐剂proclin300或sodium azide是常用的防腐剂,广泛应用于实验室和工业中。

FineTest公司抗体的保存温度和时间?

大部分抗体是放在-20℃保存,直标流式抗体需要放在2-8℃保存,质保期一年,质保期内抗体出现售后,可进行退货或换货。

一般抗体超过一年质保期仍旧可以使用,我们可以提供技术支持服务。

FineTest公司抗体使用需要稀释吗?用什么溶液稀释?

除了直标流式抗体为即用型,不用稀释。其他抗体一般为浓缩型,使用时需要按照说明书建议稀释比例稀释。

不同实验使用的稀释液不同,用PBST, TBST, 抗体封闭液等常用抗体稀释液均可。

免疫组化实验抗体的修复方式?

常用修复液:Tris-EDTA缓冲液(Tris-EDTA Buffer, pH 9.0);柠檬酸盐缓冲液(Citrate Buffer, pH 6.0)

热修复:

方法1:沸水浴修复,将盛有修复液和玻片的烧杯置于沸水浴环境,保持外部沸腾状态15min,自然冷却至室温;

方法2:微波修复,将盛有修复液和玻片的烧杯置于微波炉中,高火5min,停火3min,中火5min,自然冷却至室温。

如何选择二抗?

(1)二抗是和一抗反应的,所以二抗必须是抗一抗宿主物种,比如一抗来源于兔,对应二抗则选择抗兔二抗,比如羊抗兔或驴抗兔。

(2)根据实验类型选择二抗偶联物,比如做ELISA, 蛋白质印迹,IHC实验,常用酶联二抗,如HRP,AP等标记。而免疫荧光实验,流式细胞术实验中,则用荧光蛋白或染料标记,比如FITC,Cy3等。

产品对比