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Toronto scientists at Mount Sinai Hospital have discovered problems in using reprogrammed stem cells for personalized organ repair. “It looks like the reprogramming process which creates (embryonic-like) stem cells from skin cells is creating damage or mutations,” said Andras Nagy, one of the lead authors of the study published in the journal Nature. These cells, known as induced pluripotent stem cells (iPS cells), were found by researchers to have three times as many genetic mutations as embryonic stem cells. In ... (Continue reading) From a pro-life perspective, President George W. Bush may have been less than perfect, but in comparison to his successor, he is looking ever better. Bush devotes an entire chapter of his compelling memoir Decision Points to the controversial decision he announced in a televised address on Aug. 9, 2001, to authorize federal funding for embryonic stem cell research using only existing stem cell lines. Bush recalls that he did not arrive at ... (Continue reading) National Affairs correspondent Rory Leishman points out yet another shocking disregard for human life on the part of the Obama administration. (Continue reading) The very real possibility of an immanent ethical stem cell breakthrough has many researchers in the US and Canada excited. (Continue reading) The Interim editor Paul Tuns takes a look at Obama’s recent anti-life decisions regarding embryonic stem cell research. (Continue reading) A much-celebrated breakthrough that turns adult skin cells to embryonic-like stem cells is not the solution to the problem of destroying embryos for pluripotent stem cells. In November, Dr. Shinya Yamanaka and Dr. James Thomson published separate studies that were hailed as moral alternatives to embryonic stem cell research, both in the media and by some pro-lifers. Both studies involved introducing genes into adult stem cells through a lentivirus, which ... (Continue reading) Researchers at the Institute of Regenerative Medicine at Wake Forest University in Salem, N.C. have discovered a type of cell that floats freely in the amniotic fluid of pregnant women and has many of the traits of embryonic stem cells, suggesting a potentially ethical source of pluripotent cells – cells that scientists believe can grow into any other human cell and thus regenerate tissue such as ... (Continue reading)
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Kako u novom broju donosi znanstveni list “Nature Communications”, testiranja sprovedena na miševima potvrđuju da je uz pomoć matičnih ćelija moguće regenerirati folikule ključne za ponovni rast kose. Za istražitelje je ključ u slaboj proizvodnji matičnih ćelija koje transformacijom mogu postati folikule. S obzirom kako je napredovalo istraživanje matičnih ćelija i što se sve s njima može, treba razmišljati kako ih uporabiti i u kozmetičke svrhe. U ovoj studiji korištene su inducirane pluripotentne matične ćelije koje su“reprogramirane” odrasle matične ćelije i imaju mnoge karakteristike embrionalnih matičnih ćelija. Znanstvenici, također, napominju da tek slijede testiranja nove metode na ljudima. Martić