Cells

The report by Nowbar and colleagues (doi:10.1136/bmj.g2688) on the relation between the number of discrepancies observed in clinical trials of autologous bone marrow stem cells for ischaemic heart disease and ejection fraction includes shambolic and poorly conducted research that reflects poorly on every part of the research process.1 On average, trials with many errors show improved ejection fraction, while trials with no errors find no benefit. How should we react to this finding and what lessons can we learn? In An Essay on Criticism, Alexander Pope stated that “to err is human,” but surely there is no place for errors in development of evidence that will inform treatment decisions?2  

Naked Scientists - 17th Apr 2013 - Stem Cells and Gene Therapy  

Naked Scientists - 18th Mar 2012 - Why Viruses Don't Infect the Same Cell Twice  

Naked Scientists - 29th Oct 2011 - Gene Therapy and Stem Cell Therapy  

Stream Dr Bert Mandelbaum on PRP and stem cells for treatment / exercises for injury prevention by BMJ talk medicine from desktop or your mobile device  

Stream Amniotic stem cell treament for necrotic enterocolitis by BMJ talk medicine from desktop or your mobile device  

Stream Journal Club: Predicting survival in resected non-small-cell lung cancer by BMJ talk medicine from desktop or your mobile device  

2.1 Hearing loss may be caused by interference with the transmission of sound from the outer to the inner ear (conductive hearing loss) or damage within the cochlea, the auditory nerve or auditory centres in the brain (sensorineural hearing loss). In adults the most common cause of sensorineural hearing loss is presbycusis. This is a progressive condition caused by the loss of function of hair cells in the inner ear, leading to deafness. Hearing loss in adults may also be caused by excessive exposure to noise, or by ototoxic drugs, metabolic disorders, infections or genetic factors. Severe to profound hearing loss in children may have a genetic aetiology, or have prenatal, perinatal or postnatal causes. These include conditions such as meningitis and viral infection of the inner ear (for example, rubella or measles), as well as premature birth and congenital infections. Deafness that occurs before the development of language is described as prelingual, whereas deafness that occurs after the development of language is described as postlingual.  

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http://www.einstein.yu.edu - Researchers at Albert Einstein College of Medicine developed a mouse model in which molecules crucial to making memories (beta-a...  

Very brief overview of how how DNA works in the cells to produce proteins.  

http://www.handwrittentutorials.com - This tutorial explores the development of T Cells, from stem cells right through to their mature helper and cytotoxic f...  

http://www.handwrittentutorials.com - This tutorial explores the maturation of the B-Cell from the stem cell through to a mature B cell. The interaction with...  

There are three main solutions to treat leukemia. Chemotherapy is a collection of drugs which target cells that rapidly multiply (a key characteristic in can...  

Sometimes an immature blast cell have two gene mutations which prevent it from maturing into a specialized blood cell and cause it to multiply out of control...  

Learn about the different cells that make up bone and the bone matrix. Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and m...  

As the tumor grows, it eventually reaches a size where it requires additional vasculature in order to sustain continued growth. To achieve this, tumor cells ...  

Another common mechanism of cancer biology is the ability of malignant cells to migrate from their original site to organs throughout the body. This animatio...  

Apoptosis or "programmed cell death" is a mechanism by which organisms limit the growth and replication of cells. Loss of apoptosis is one of the key mechani...