Cloning and expression of N22 region of Torque Teno virus (TTV) genome and use of peptide in developing immunoassay for TTV antibodies

Table 1 Comparison of TTV-DNA with blot assay

Disease group	No. Tested	TTV-DNA positivity^#		N22 blot immunoassay		Anti-N22 positivity in DNA positive cases
Disease group	No. Tested	No.	Percent	No.	Percent	No.	Percent
Chronic renal failure	40	32	80.0%	33	82.5%	32/32	100%
Liver diseases*	48	27	56.3%	30	62.5%	27/27	100%
Healthy controls	25	16	64%	17	68%	16/16	100%

^#TTV-DNA detection using N22 PCR.
* Liver diseases includes patients infected with Acute Viral Hepatitis (AVH), Chronic Viral Hepatitis (CVH) and Fulminant Hepatic Failure (FHF).

ISSN: 1743-422X