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With the advent of recent protocols to isolate multipotent human mesenchymal stem cells (MSCs), there is a need for efficient transfection methodologies for these cells. Most standard transfection methods yield poor transfection efficiencies for MSCs (<1%). Here we have optimized a...
Gene therapy is defined as a technology that aims to modify the genetic component of cells to gain therapeutic benefits. Suicide gene therapy (or gene-directed enzyme prodrug therapy (GDEPT)) is a two-step treatment for cancer (especially, solid tumors). In the first step, a gene for a foreign...
We adapted a previously described Agrobacterium -mediated transient expression system to test the expression level of three constructs carrying the surface antigen 1 (SAG1) of Toxoplasma gondii . Two constructs were based in a Potato virus X (PVX) amplicon. In one of them, the PVX movement...
INSULT, a novel method for the creation of insertions, deletions, and point mutations without subcloning, requires only one new primer per mutant, and produces circular plasmids, obviating the need for special “ultracompetent” cells. The method includes cycles of linear amplification with a...
A protocol is described for rapid DNA isolation from marine biofilm microorganisms embedded in large amounts of exopolysaccharides. The method is a modification of the hot phenol protocol used for plants tissues, where nonexpensive and easily available enzymes were used. The method is based on...
Infections from human polyomaviruses BK and JC (BKV and JCV) occur independently, but concomitant infections and the simultaneous persistence of both viruses have been observed in renal transplant recipients. Several studies have disclosed a correlation between BKV and interstitial nephritis in...
Molecular biological investigations into the brain capillary endothelium and microvasculature, which forms the blood-brain barrier (BBB) in vivo, can provide the platform for the discovery and the molecular cloning of BBB-specific genes. Novel BBB genes can be discovered with either a...
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