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Replacing Heart Valves Without Open Cardiac Surgery

Transcatheter  valves are actually in the majority of recent valve replacement procedures today.  This can be achieved without open heart surgery.  Coronary intervention involves opening the coronary arteries on the the surface of the heart, which has been done for years.  Two-thirds of the arteries open after receiving various pharmaceuticals, leaving a third of the [...]

By | 2017-08-22T21:46:10+00:00 August 22nd, 2017|Science|0 Comments

B cell Development

B-cells develop in the bone marrow.  The development of the B-cell in the bone marrow is where the B-cell develops it's immunoglobulin gene that it expresses on the surface.  B-cell development begins there with heavy chain gene formation with the genes heavy V and heavy DJ.  Say it hasn't rearranged the light chain yet.  A [...]

By | 2017-08-22T21:44:55+00:00 August 22nd, 2017|Science|0 Comments

How Viruses Enter The Cell

Virus particles are too large to diffuse across the plasma membrane.  Receptors are needed to get viruses into cells.  Then, the genome can be transferred inside the cell. Only viruses of fungi, that have no extracellular phases; and viruses of plants, which enter cells by mechanical damage, don’t utilize receptors to enter the cells.  One [...]

By | 2017-07-27T21:47:42+00:00 July 27th, 2017|Science|0 Comments

Virus Structure

Nucleocapsids are nucleic acids complexed with the protein within a virus.  To grasp how small viruses are, a polio virus is 30 nanometers.  The viruses have spikes on their outside.  Tobacco mosaic viruses are round shaped viruses.  Many capsid proteins can reassemble into virus like proteins (VLPs).  Hepatitits B-Virus (HBV) and Human Papilloma-Virus (HPV) vaccines [...]

By | 2017-07-27T21:45:42+00:00 July 27th, 2017|Science|0 Comments

How to Combat HIV

HIV (which stands for Human Immunodeficiency Virus) was discovered in the late 1970's. Some of the people that acquired the HIV virus were coming down with AIDS(Acute Immuno - Deficiency Syndrome).  These patients started dying from very common diseases.  The HIV virus was found by assaying for the enzyme reverse transcriptase.  When activated reverse transcriptase [...]

By | 2017-07-20T15:27:01+00:00 July 20th, 2017|Science|0 Comments

The Theory Behind Antisense Oligonucleotide Therapy

As you are probably aware, antisense oligonucleotides are synthetic single-stranded chains  of nucleic acids that bind to RNA (ribonucleic  acid) ; and in doing so alter the  or reduce the expression of the target RNA.  They reduce expression of mutant proteins and restore expression of wild type proteins. Anti-sense oligonucleotides also are known to interfere [...]

By | 2017-07-13T19:50:27+00:00 July 13th, 2017|Science|0 Comments

Is Stem Cell Therapy Morally Acceptable

A now age old question is still making headlines in the news.  Is stem cell therapy morally acceptable?  If one considers the source of the stem cells, one might shudder.  Stem cells are derived from aborted embryos whose cells have not yet differentiated to the specialized cells of a human being.  Therefore, the stem cells [...]

By | 2017-07-10T17:00:18+00:00 July 10th, 2017|Science|0 Comments