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anaplatform Data Consultancy
Gene Expression Analysis

Transforming healthcare through the power of data analytics and genetics

Gene Expression Analysis

Case Study: Gene Expression Patterns in Cancer Patients

In this case study, we will explore how data analytics was used to understand gene expression patterns in cancer patients. Cancer is a complex disease that arises from genetic mutations and alterations in gene expression patterns. By analyzing gene expression data, we can identify specific genes and pathways that are dysregulated in cancer cells, which can be targeted for therapy.

Gene expression analysis is a powerful tool that helps to understand the underlying biological mechanisms of disease progression. By analyzing gene expression data, we can identify specific genes and pathways that are dysregulated in cancer cells, which can be targeted for therapy.

Background:
Data:

The dataset used in this study was obtained from The Cancer Genome Atlas (TCGA) project. The dataset contained gene expression data from 500 cancer patients and 100 healthy individuals. The goal of this study was to identify differentially expressed genes (DEGs) in cancer patients and to understand the biological processes that were affected by these DEGs.

Sample

Gene 1

Gene 2

Gene 3

...

Gene n

1

0.20

0.98

3.14

...

2.34

2

0.92

1.23

3.14

...

1.98

3

1.45

0.87

3.01

...

2.56

....

....

....

....

....

...

600

0.89

1.34

3.05

...

1.78

Methodology:

The gene expression data was preprocessed and normalized using the R programming language. Differential gene expression analysis was performed using the edgeR package. The DEGs were identified using a threshold of log2 fold change > 2 and p-value < 0.05. The DEGs were further analyzed using gene ontology (GO) and pathway enrichment analysis.

At the end we will find these spesific genes that affects, no we will find those spesific genes.

Upregulated Genes

Downregulated Genes

GENE1

GENE2

GENE3

GENE4

GENE5

GENE6

GENE7

GENE8

GENE9

GENE10

Results:

The analysis identified a total of 1000 DEGs in cancer patients compared to healthy individuals. The top 10 upregulated and downregulated genes are shown in table below.

Table shows Top 10 upregulated and downregulated genes in cancer patients compared to healthy individuals.

Upregulated Genes

Downregulated Genes

TSPAN8

MUC16

CLDN3

FBN1

IL6ST

CYP2E1

FABP4

MSLN

BIRC5

CYP4B1

PTN

RARRES1

S100P

NR2F1

KRT7

LCN2

KRT19

GPX3

ANXA4

PAPSS2

Result Analysis

GO analysis revealed that the upregulated genes were mainly involved in cell proliferation, cell cycle regulation, and DNA repair, while the downregulated genes were involved in immune response and cell adhesion. Pathway analysis showed that the upregulated genes were enriched in the PI3K-Akt signaling pathway, while the downregulated genes were enriched in the ECM-receptor interaction pathway.

Conclusion

This case study demonstrates the power of data analytics in understanding gene expression patterns in cancer patients. The analysis identified several DEGs that were involved in cancer progression and provided insights into the biological processes and pathways that were affected by these DEGs. This information can be used to develop targeted therapies for cancer patients and to identify biomarkers for early detection of cancer. Further research is needed to validate these findings and to explore the potential clinical applications of this approach.

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