Do you have a template for miRNA qPCR arrays from Qiagen (former Exiqon)?

Dear colleagues After a lot of struggle with the new rebranding of Exiqon that sold the LNA technology to Qiagen, we decided to give a try to the new miRNA qPCR arrays. We bought the whole...

11 December 2019 7,009 3 View

How to refine a protein-drug complex structure coordinates?

I have a protein-drug complex obtained by virtual drug screening. How can I refine the coordinates of the whole complex?. Is energy minimization the best protocol to be applied? Thanks in...

03 April 2019 8,715 3 View

How to over-express a selected circular RNA?

Dear All Do you have experience in methods for the over-expression of selected circular RNAs in human or mouse cells?... If yes... which strategy did you use?... which vectors and...

06 July 2018 7,523 1 View

What is your favourite Gene-enrichment analysis in a graphical environment?

Hi there I would like to know and to get your feedback about you favourite Gene-enrichment analysis software based in a graphical environment, preferably on-line. Please give me your feedback...

05 June 2018 8,910 9 View

How is the performance of Nanostring system to detect extracellular miRNAs?

Dear All I wanted to give a try to Nanostring system to detect extracellular miRNAs in a screening-based approach. I am wondering if some of you have experience with Nanostring in the detection...

05 June 2018 7,494 3 View

Someone has experience with the new Exiqon-Qiagen miRNAnome qPCR screening panels?

Dear All I had used for a while the Exiqon miRNAnome panels based on low density qPCR arrays. However, since the begginning of this 2018, Exiqon has joined Qiagen. I ordered the same screenings...

01 February 2018 1,984 16 View

How to compare two XPM contact matrices generated by GROMACS?

Hi there I got several contact matrices in XPM format generated by GROMACS trajectories for a series of protein mutants. How to compare them to extract the differences between atom contacts in...

11 December 2017 8,805 12 View

Any web-based tool to get statistics about location and miRNA expression?

Hi there I am dealing with a long list of miRNAs... I would like to get some tool to organize them by functional groups, clusters, chromosome location, tissue expression, etc... Any suggestion?....

09 October 2017 8,407 4 View

Is there any alternative to Green A Dyematrex gel (Amicon) for pseudo-affinity chromatography?

I am trying to reproduce an old purification protocol from 2004 that claims the use of a pseudo-affinity chromatography based on Green A Dyematrex gel (Amicon). The product is discontinued from...

08 September 2016 1,844 3 View

Any tool for the analysis of coarse-grained MD trajectories with NAMD?

Dear All I have several MD trajectories generated by NAMD using coarse-grained dynamics. I would like to perform a deep analysis of the data. Is there any specific tool for this kind of...

01 February 2016 4,771 7 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Has anyone experienced changes in growth for cell culture when purchasing media from different companies?

I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines

24 February 2021 2,268 3 View

What is the best concentration of cDNA to be used for qPCR?

I have synthesised cDNA from 500ng/ul of RNA. The concentration of the cDNA Is about 5000ng/ul. Should I dilute my cDNA or just use it as it is for my qPCR? I usually use 2ul of cDNA for a 20ul...

24 February 2021 8,618 3 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View