Sentences with phrase «viral titers»

Hepatitis C Viral Titers Plummet Changes in HCV RNA levels, as well as GPT levels were compared to the base line.

Viral titers were determined to be approximately 108 viral particles / ml based on immunocytochemical analysis.

Viral titers were measured using plaque assay with Vero cells as previously described (12).

Although safer, this system may be more cumbersome to use and lead to lower viral titers due to higher plasmid number.

Given that many viral vectors contain the SV40 origin of replication, 293T cells are able to produce high viral titers.

In contrast, in cultures treated with X4 - ZFNs viral titers steadily decreased after peak viremia while cell growth remained exponential suggesting there was not significant viral production (data not shown).

Furthermore, in control cultures that were untransduced or treated with R5 - ZFNs, viral titers exponentially increased until extensive cell death began approximately 8 — 10 days post infection.

Ultimately, this leads to blunted adaptive immune responses, higher viral titers, and increased death after West Nile virus infection.»

SPAR research has found that the HIV viral titers (blood test) is not always a good indicator of the virus in semen.

A certain percentage of men with zero viral titers in their blood will still have very low levels of virus in their semen.

The enhanced susceptibility to viral infection caused by E-cig exposure is consistent with the effects of cigarette smoke exposure on influenza infection, including enhanced viral titer at days 3 — 4 and impaired resolution of infection [30, 31].

Not exact matches

Vector titers in hollow - fiber bioreactors have been demonstrated as comparable to those attained with flask or Nunc Cell Factory tray cultures: 1.7 × 108 viral genomes per milliliter (vg / mL) to 2.6 × 108 vg / mL (27).

The blog provides tips for working with viruses including advice on how to titer lentiviral preps, troubleshoot viral transductions, and overviews for beginners just starting work with virus.

In one report, IMHA is observed in dogs with increased antibody titers to viral antigens, which seems to indicate that recent vaccinations or viral infections may be implicated in those cases.

Some vets began offering a blood test called a «titer» to check a patient's immunity to certain viral diseases, instead of routine vaccination.

I do not see much value in running titers to assess the immune system status against the various viral illnesses which there are vaccines for.

Also, bacterial antibodies differ from viral antibodies in a number of ways, and bacterial titer testing is typically done in veterinary medicine as a means of diagnosing acute illness, not monitoring vaccine response or ongoing immunity.

For most cats, vaccination induces a serologic response (titer) to all three viral antigens that lasts for an extended period — in many instances four to seven years or more.

The following update discusses use of serologic viral antibody titers for determining the need for revaccination of healthy pets (see Antech News, April; 1998 for background).