Wednesday, February 24, 2010

in this situation

All the "family members" are the genomic DNA intracellular Cheap Generic Viagra parasites quite impressive (of course, for viruses), the size of 150-250 nm in diameter. <

The volume of genetic information contained in the viral DNA Purchase Levitra Sale Online allows the synthesis of some hundreds of proteins with different functions. Some of them are involved in the reproduction of the virus, others Brand Name Viagra Prescription included in the virion. <

Reproduction of herpes viruses Cheap Brand Name Cialis are well-structured process. It all starts with attachment of virions to the highly sensitive cells, with special receptors on the surface glycoprotein to the outer shell of the virus. As a result of this Generic Levitra Pills interaction the virus is released from the outer shell, and the DNA together with the inner shell is transported to the nucleus of a host cell.

"Intervention" viruses in the immune Cialis Drugs Online Pharmacy system "owner" starts early in the virus binding to receptors on lymphocytes when they come (quite successfully) to compete for binding sites with connections mediating immune and inflammatory reactions. But very often, extending into lymphocytes, viruses Order Viagra Tablets Online remain there for the time being in an inactive form that does not betray its presence and remain impervious to virus-neutralizing antibodies circulating in the blood.

In the last decade attention Tadalafil Sildenafil Vardenafil of clinicians and virologists attract "relationship" herpes and HIV infections, which are largely determined by transaktivatorami herpes viruses. As it turned out, transaktivatory may regulate not only the reproduction of "breed" of herpes viruses, but the increase in gene expression of HIV Buy Generic Cialis Online provirus located in T-lymphocytes. In short, in this situation transaktivatory contribute to the progression of AIDS.

It should be noted that herpes viruses are extremely heat-labile. At a temperature of 50-52 ° C they are inactivated within 30 minutes at 37,5 ° C-within 20 hours. At the same time virions is well tolerated and lyophilization can be Order Brand Levitra Discount maintained for a long time in tissues that are 50% p-re glycerol. At the metal-ing surfaces (coins, doorknobs, faucets), herpes viruses survive for two hours on plastic and wood-to three hours, in wet gauze and medical cotton, as long as they dry at room temperature (T ., approximately 6 hours).