Hypoxia and Telomerase in Fish
Author Information
Author(s): Yu Richard MK, Chen Eric XH, Kong Richard YC, Ng Patrick KS, Mok Helen OL, Au Doris WT
Primary Institution: Department of Biology and Chemistry, City University of Hong Kong
Hypothesis
Does hypoxia regulate TERT expression in non-tumor fish tissues in vivo?
Conclusion
Hypoxia upregulates TERT expression in the liver and testis of marine medaka fish.
Supporting Evidence
- The omTERT gene was significantly upregulated in testis and liver in response to hypoxia.
- HIF-1α was also induced alongside omTERT expression under hypoxic conditions.
- In situ hybridization showed clear hypoxic induction of omTERT mRNA in liver and testis.
Takeaway
When fish experience low oxygen, a gene called TERT helps them survive by working harder in their liver and testis.
Methodology
The study involved cloning the TERT gene from marine medaka and analyzing its expression under normoxic and hypoxic conditions using quantitative RT-PCR and in situ hybridization.
Limitations
The study did not investigate the protein levels of HIF-1α due to the unavailability of specific antibodies.
Participant Demographics
Adult marine medaka fish were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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