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Thermofisher旗下Gibco培养系列、ABI细胞计数仪PCRInvitrogen分子生物学试剂qubit3.0AmbionRNA相关试剂Molecular probes试剂、Pierce蛋白相关试剂盒NanodropOne/OneCParafilm封口膜Viskase透析袋;Sigma-Aldrich试剂;AccuStandard 标准品Millipore抗体GlenResearch 核酸合成试剂Bio-Rad电泳仪PCRNanocsPEG聚合物;  chromotek羊驼抗体  polysciences转染试剂  Echelon-inc 脂类研究试剂盒  R&D Systems抗体及ELISA试剂盒 Jackson二抗封闭血清 Biotium 荧光染料NEB内切酶及NGS相关产品;  Athens Research & Technology人类蛋白及抗血清;  Illumina二代测试试剂盒 Tocris 小分子试剂 TwistDx恒温扩增试剂盒(RPA Enzymatics二代测序Novus抗体及Elisa试剂盒AGScientific潮霉素B、放线菌酮、G-418Plantmedia植物培养系列及抗体;Agilent 2100生物分析仪;BIOLOG耗材BiomatikElisa试剂盒COVARIS基因打断仪;CST抗体DharmaconsiRNA产品。


CLIAKits化学发光免疫分析(chemiluminescenceimmunoassay,CLIA)

RNAInterferenceProducts RNA干扰试剂

RNA干扰(RNAinterference,RNAi)是指在进化过程中高度保守的、由双链RNA(double-strandedRNA,dsRNA)诱发的、同源mRNA高效特异性降解的现象。基因沉默,主要有转录前水平的基因沉默(TGS)和转录后水平的基因沉默(PTGS)两类:TGS是指由于DNA修饰或染色体异染色质化等原因使基因不能正常转录;PTGS是启动了细胞质内靶mRNA序列特异性的降解机制。有时转基因会同时导致TGS和PTGS。

由于使用RNAi技术可以特异性剔除或关闭特定基因的表达,(长度超过三十的dsRNA会引起干扰素毒性)所以该技术已被广泛用于探索基因功能和传染性疾病及恶性肿瘤的治疗领域。

1.           RNAi抑制转座子活性

两方面的证据提示转座子活性的抑制与siRNA有关

①发现蠕虫mut-7基因参与RNAi并且与转座子的转座抑制有关;

②在果蝇中,参与RNAi的RNA解螺旋酶Spindle-E的突变将导致该基因引起的基因沉默的缺失,同时提高了反转录转座子活性。

2.           RNAi抵御病毒感染

在拟南芥中研究转基因引起基因沉默时发现,sgs2/sde1基因突变的拟南芥对病毒的侵染表现出高度的敏感性。

3.           RNAi参与异染色质的形成和维持

Hall等研究表明,着丝粒同源重复序列和RNAi组分一起正负调节着异染色质的形成并共同促使异染色质组装成核;Vople等在敲除裂殖酵母(S.pombe)的RNAi途径基因(如Argonaute、Dicer、RDRP)时发现异染色质转录得到的dsRNA可以在RNAi途径的参与下,加工成siRNA,siRNA募集异染色质蛋白1(HP1),然后靶向性引起相应异染色质区域的转基因沉默。

4.           RNAi参与机体的发育调控及生理代谢

RNAi只抑制转录后的基因,所以RNAi在生物体发育学研究中具有优势。Chuang等用RNAi技术进一步证实了AG、CLV3、AP1、PAN等已知功能基因在拟南芥花发育过程中的功能。在RNAi过程中形成的RISC复合物可根据不同情况分别利用siRNA或stRNA行使不同的功能,但最终均导致特定基因沉默。


Specificity: SHFM1shRNAPlasmid(Mouse)contains3differenttarget-specificplasmidseachencoding19-23nt(plushairpin)shRNAsdesignedtoknockdowngeneexpression.EachplasmidcontainsaresistancegenefortheselectionofcellsstablyexpressingshRNA.

Form: Lyophilized

Specificity: SHFM1shRNAPlasmid(Human)contains3differenttarget-specificplasmidseachencoding19-23nt(plushairpin)shRNAsdesignedtoknockdowngeneexpression.EachplasmidcontainsaresistancegenefortheselectionofcellsstablyexpressingshRNA.
Form: Lyophilized
Specificity: C7orf76shRNAPlasmid(Human)contains3differenttarget-specificplasmidseachencoding19-23nt(plushairpin)shRNAsdesignedtoknockdowngeneexpression.EachplasmidcontainsaresistancegenefortheselectionofcellsstablyexpressingshRNA.
Form: Lyophilized
Specificity: C7orf76siRNA(Human)isatarget-specific19-23ntsiRNAoligoduplexesdesignedtoknockdowngeneexpression.
Purity: >97%
Form: Lyophilized


((2R,3R,4R)-3-(benzoyloxy)-4-fluoro-4-methyl-5-oxotetrahydrofuran-2-yl)methylbenzoate
abx181380 

CAS:874638-80-9


Purity: 0.9
US$362.50(250mg)
 ComparisonList
(+)alphaTocopherol
abx082409 
CAS:59-02-9
Conjugation: Unconjugated
US$145.00(5g)
 ComparisonList
(+)-AbscisicAcid
abx076833 
CAS:21293-29-8
Purity: 0.995
US$464.00(1mg)
 ComparisonList
(+)-Biotin-(PEO)4-amine
abx185673 
CAS:359860-27-8
Purity: >97%
US$841.00(0.5g)
 ComparisonList
(+)-Biotin-NHS;BIOTIN-NHS
abx182717 
CAS:35013-72-0
Purity: 0.98
US$246.50(1g)
 ComparisonList
(+)-Biotinhydrazide,Biotinhydrazide
abx187866 
CAS:66640-86-6
Purity: 0.95
US$232.00(100g)
 ComparisonList
(1-Ethoxycyclopropoxy)trimethylsilane
abx182720 
CAS:27374-25-0
Purity: 0.97
US$145.00(1g)
 ComparisonList
(1-Methyl-4-Piperidinyl)Methanamine
abx180083 
CAS:7149-42-0
Purity: 0.95
US$188.50(1g)
 ComparisonList
(1R,2R)-(-)-2-Benzyloxycyclohexylamine
abx184835 
CAS:216394-06-8
Purity: >95%
US$275.50(5g)
 ComparisonList
Purity: 0.95
US$623.50(100g)
 ComparisonList
Purity: 0.97
US$203.00(1g)
 ComparisonList
Purity: 0.97
US$261.00(1g)
 ComparisonList
(2-Amino-Pyridin-3-Yl)-Methanol
abx181398 
CAS:23612-57-9
Purity: 0.97
US$232.00(5g)
 ComparisonList
Purity: >95%
US$203.00(1g)
 ComparisonList
Purity: 0.95
US$333.50(1g)
 ComparisonList
(2-Hydroxypropyl)-Beta-Cyclodextrin
abx184506 
CAS:128446-35-5
Purity: 0.99
US$435.00(250g)
 ComparisonList
(2-Iodophenyl)methanol
abx184507 
CAS:5159-41-1
Purity: 0.99
US$174.00(25g)
 ComparisonList
Purity: >98%
US$348.00(250mg)
 ComparisonList
Purity: 0.95
US$319.00(250mg)
 ComparisonList
(3,4-Dimethylphenyl)hydrazine
abx182729 
CAS:60481-51-8
Purity: 0.98
US$145.00(5g)
 ComparisonList
(3-Chloro-2-Fluorophenyl)BoronicAcid
abx181413 
CAS:352535-82-1
Purity: 0.97
US$130.50(1g)
 ComparisonList
(3-Fluoro-4-Hydroxyphenyl)BoronicAcid
abx181415 
CAS:182344-14-5
Purity: 0.97
US$275.50(1g)
 ComparisonList
Purity: >96%
US$290.00(50g)
 ComparisonList
(4-Bromopyridin-2-yl)methanamine
abx181425 
CAS:865156-50-9
Purity: 0.97
US$406.00(1g)
 ComparisonList
Purity: 0.98
US$623.50(5g)
 ComparisonList
Purity: 0.977
US$580.00(1g)
 ComparisonList
(6-Methylpyridin-2-yl)methanamine
abx184861 
CAS:6627-60-7
Purity: >95%
US$261.00(1g)
 ComparisonList
(BMPS);3-MaleimidopropionicacidNHS
abx180108 
CAS:55750-62-4
Purity: 0.95
US$232.00(5g)
 ComparisonList
(DSS);Disuccinimidylsuberate
abx181439 
CAS:68528-80-3
Purity: 0.97
US$217.50(1g)
 ComparisonList
Purity: >97%
US$304.50(1g)
 ComparisonList
Purity: 0.96
US$188.50(1g)
 ComparisonList
Purity: >95%
US$174.00(1g)
 ComparisonList
(E)-3-(Furan-2-yl)acrylicacid
abx180109 
CAS:15690-24-1
Purity: 0.95
US$130.50(5g)
 ComparisonList
(E)-3-(Pyridin-3-Yl)AcrylicAcid
abx188019 
CAS:19337-97-4
Purity: 0.95
US$203.00(25g)
 ComparisonList
Purity: 0.99
US$1,203.50(5g)
 ComparisonList
(EMCA);6-Maleimidocaproicacid
abx182745 
CAS:55750-53-3
Purity: 0.98
US$159.50(5g)
 ComparisonList
(EMCS);6-MaleimidocaproicacidNHS
abx182746 
CAS:55750-63-5
Purity: 0.98
US$420.50(1g)
 ComparisonList
(GMBS);4-MaleimidobutyricacidNHS
abx182747 
CAS:80307-12-6
Purity: 0.98
US$304.50(1g)
 ComparisonList
Purity: 0.97
US$203.00(5g)
 ComparisonList
(PEO)4-amino-propionicacid
abx181441 
CAS:663921-15-1
Purity: 95%(1H-NMR).Productconformstostructureby 1H-NMR.
US$377.00(1g)
 ComparisonList
(PEO)4-mono-amine
abx180932 
CAS:86770-74-3
Purity: 95%(1H-NMR).Productconformstostructureby 1H-NMR.
US$246.50(1g)
 ComparisonList
(R)-(-)-Epichlorohydrin
abx182749 
CAS:51594-55-9
Purity: 0.98
US$159.50(25g)
 ComparisonList
(R)-2-(Tetrahydrofuran-3-Yl)Acetic-Acid
abx188023 
CAS:146255-25-6
Purity: 0.95
US$2,494.00(10g)
 ComparisonList
(R)-2-Aminobutan-1-ol
abx182758 
CAS:5856-63-3
Purity: 0.98
US$174.00(25g)
 ComparisonList
Purity: 0.96
US$217.50(1g)
 ComparisonList
(R,S)-NiguldipineHCl
abx076561 
CAS:119934-51-9
Purity: >98%
US$319.00(10mg)
 ComparisonList
Purity: 0.98
US$145.00(1g)



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