Description:

AntibodiestoScl-70areaspecificimmunologicalMarkerforscleroderma(orprogressivesystemicsclerosis,PSS),asystemicautoimmunediseasecharacterizedbycollagendepositionandconnectivetissuedestructionoftheskin,bloodvesselsandcertaininternalorgans.StudieshaveshownvaryingfrequenciesofScl-70antibodiesinPSS.Thisantibodywasfoundinapproximately20%ofPSSpatientsinearlystudiesbut75%inlaterstudies.Scl-70antibodiesaredirectedagainstDNA-topoisomeraseIwhichlocatesinthenucleus.ThewholemoleculeofDNA-topoisomeraseis110kDabutitiseasilydegradedbyproteasesto100kDa,87kDaand70kDa(Scl-70).PSSisclassifiedintotwotypes;diffusesclerodermaandlimitedscleroderma.Scl-70antibodiesarepresentspecificallyindiffusesclerodermaandcentromereantibodiesarepresentinlimitedscleroderma.Rarely,Scl-70antibodiesarefoundinSLEandMCTDpatients. Signosis基因表达  是利用来自基因的信息指导功能性基因产物合成的过程。这些产品通常是蛋白质。基因表达分析对于理解基因及其蛋白产物的功能，以及对影响基本生物学过程的复杂调控网络的清晰了解至关重要。Signosis  提供了许多用于基因表达研究的测定产品，包括用于监控由TF上调或下调的基因表达的cDNA板阵列，以及用于分析基因表达的单细胞PCR试剂盒，可直接分析细胞无需RNA分离即可进行裂解。 SARS-CoV-2实时PCR检测试剂盒单细胞基因表达分析印迹分析RNA的cDNA板阵列细胞裂解液的cDNA板阵列