This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
A young male patient presented with UTI, on urine examination pus cells were found but no organisms. Which method would be best used for culture - 
Select and explain. 
A. McCoy cell line, B. Thayer martin medium, C. L.J. medium, D. Levinthal medium
A: McCoy cell line
Answer: A: McCoy cell line 
Explanation: This is a case of non-gonococcal urethritis due to Chlamydia trachomatis. 
Chlamydia trachomatis can be successfully cultivated in McCoy and HeLa cells treated with cycloheximide and grown in monolayer on cover slip in shell vials .….Jawetz 24/e p360