Phụng Dương

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Questions related from Phụng Dương

How to combine fold change in microarray meta-analysis?

Hello, I would like to calculate the foldchange of differentially expressed genes after I meta-analyzed 9 datasets. I have calculated the fold change of those genes in each datasets but I wonder...

05 May 2019 4,557 3 View

How to add gene names into volcanic plot?

Hello everyone, I am trying to use R to draw a volcanic plot after DEG analysis. In my case, I use samr for detect DEG. I have successfully used ggplot2 to draw it. However, I have trouble when I...

02 February 2019 8,800 4 View

Are there any researches or papers to treat stomach cancer by Imetelstat?

I have read a lot of paper treat cancer by using Imetelstat (GRN163L). It is a very potential treatment to treat breast, pancreatic, hepatoma, lung and bladder cancer. How about stomach cancer?...

10 October 2016 5,020 3 View

Is there a unit for gene expression?

Hello, there are so many ways to analysis the expression of gene and mRNA, but I wonder if we have a general unit to specific the expression of a gene (and this unit can use for all of methods)? I...

01 January 1970 5,442 3 View

Why do we need perfect probe and mismatch probe to do microarray?

In microarray, there are 2 types of probes. I wonder why we need to use mismatch probe to know the gene expression? In addition, considering mutation, the substitution nucleotide can be vary a lot...

01 January 1970 9,943 5 View

How should we do for test heterogenity for microarray meta-analysis?

I am learning microarray meta-analysis and heterogenity is a really essential test after we carry out meta-analysis. However, there are some points that I still do not understand: 1. There are 3...

01 January 1970 8,829 3 View