Transcriptomic analysis supports similar functional roles for the two thymuses of the tammar wallaby
2011

Study of Thymus Function in Tammar Wallabies

Sample size: 1 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wong Emily SW, Papenfuss Anthony T, Heger Andreas, Hsu Arthur L, Ponting Chris P, Miller Robert D, Fenelon Jane C, Renfree Marilyn B, Gibbs Richard A, Belov Katherine

Primary Institution: University of Sydney

Hypothesis

Both thymuses of the tammar wallaby will display similar transcriptomic profiles and express genes critical for thymic function.

Conclusion

Both thymuses are functionally equivalent and drive T-cell development.

Supporting Evidence

  • Both thymuses expressed genes that mediate distinct phases of T-cell differentiation.
  • 67 genes were differentially expressed between the two thymuses.
  • Key immune genes were identified in both thymuses.

Takeaway

The tammar wallaby has two thymuses that help make T-cells, and they work similarly.

Methodology

Pyrosequencing was used to compare the transcriptomes of the cervical and thoracic thymus from a single 178-day-old tammar wallaby.

Potential Biases

Potential sampling bias may affect the expression results between the two thymuses.

Limitations

The study is based on a single individual, which may limit the generalizability of the findings.

Participant Demographics

One 178-day-old tammar wallaby.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-12-420

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication