smiley with a nasty comment..is sarcasm... not nice merle Merle,
If I put a little smiley face after it, would that make it less nasty? Mike Sent from Yahoo! Mail for iPad ________________________________ From: Merle Lester <[email protected]>; To: [email protected] <[email protected]>; Subject: Re: [Zen] Fwd: [evol-psych] News: Dream of regenerating human body parts gets a little closer Sent: Tue, Jun 25, 2013 11:51:54 AM mike..there you go..nasty nasty..would an animal be so nasty?..merle Edgar, Well, you've got the 'ass' down pat. Mike Sent from Yahoo! Mail for iPad ________________________________ From: Edgar Owen <[email protected]>; To: <[email protected]>; Subject: Re: [Zen] Fwd: [evol-psych] News: Dream of regenerating human body parts gets a little closer Sent: Tue, Jun 25, 2013 11:15:58 AM Merle, Yes I often practice animal yoga mimicing the movements of animals including walking on all fours... Edgar On Jun 25, 2013, at 4:09 AM, Merle Lester wrote: > > > > > > >.our true nature is to be on all fours and if we should grow a tail..then wag >it...!..merle > >> >> >> >> >>Dream of regenerating human body parts gets a little closerJune 24th, 2013 in >>Medical research >> >>A new animal study shows we’re making small progress in working out how to >>grow limbs. Credit: shutterstock.com >> >> >>Damage to vital organs, the spinal cord, or limbs can have an enormous impact >>on our ability to move, function – and even live. But imagine if you could >>restore these tissues back to their original condition and go on with life as >>normal. >>Well, this is the dream for regenerative medicine. And while humans missed >>out on these abilities in the evolutionary lottery, a recent study in mice >>shows we're making small progress to achieving this dream. >>Learning from animals >>Nature has provided the animal kingdom with many different ways to achieve >>perfect regeneration. Some amphibians – such as salamanders – are famous for >>their superhero-like ability to regenerate heart, brain, spinal cord, tail >>and can even whole limb tissue throughout their life. >>Although organ and spinal cord regeneration are clinically important and >>worthy of intense research investment, regrowing whole limbs provides a >>flagship example of perfect regeneration in the salamander. >>It has been known for more than a hundred years that if a salamander loses a >>limb, it grows right back. This process is extremely precise and removal of >>the limb at the shoulder regrows a full limb, but removal at the wrist only >>regrows the missing hand portion. >>Interestingly, there does not seem to be a limit on how many times they can >>perform this clever trick and each time the limb comes back perfect. >>There’s no limit to the number of times lizard-like salamanders can >>regenerate their limbs. Credit: shutterstock.com >>But mammals (including humans and mice) seem to have missed out on this >>important skill. The question of how to enhance the regenerative capabilities >>in humans, either by adding the missing ingredients, or activating these >>latent abilities currently lies wide open. >>Extending regeneration to mammals >>Mammals currently only have the capacity to regenerate the very tip of their >>finger. But the result is far from perfect. A range of studies in mice have >>shown the digit-tip regrowth is severely restricted. Removal of the very tip >>of the mouse digit will be replaced, but removal of the tissue a small >>distance further up the digit and closer to nail bed (the equivalent to a >>human cuticle), will fail to regrow. >>Last week, a group of researchers from the United States and Japan published >>work extending our understanding of the mechanism by which a resident stem >>cell population within the mouse digit tip nail bed can be activated to >>induce digit tip regeneration. In other words, we can now grow more of the >>digit back in mice and possibly more of the human finger. >>Resident stem cells are specialised cells found at various locations within >>the body. When activated, these cells multiply and then transform into other >>cell types required to replace worn out cells under conditions of normal >>tissue maintenance. >>This work builds on previous studies identifying the stem cell population in >>the nail bed by unveiling a signalling mechanism that could be exploited to >>enhance the amount of tissue that could be regrown. The potential for repair >>after injury appears very limited in many tissues and organs. Understanding >>how to enhance stem cell activation in these tissues may stimulate repair not >>previously thought possible. >>The ability to switch on and mobilise resident stem cells in regeneration >>will be important in a wide range of new therapies, particularity for organs >>affected by injury or disease. On a world stage, momentum is currently >>growing for these types of strategies. It is clear that once refined, these >>approaches are sure to have a profound influence on many different aspects of >>clinical medicine, opening up the possibility of replacing diseased or >>injured tissues. >>We may be some way off from the dream of replacing whole limbs in humans but >>recent progress confirms that by deepening our understanding of stem cell >>activation, we can directly unlock more regeneration in mammals than normally >>possible. >>More information: Nature (2013) doi:10.1038/nature12214 >> >>Provided by The Conversation >>"Dream of regenerating human body parts gets a little closer." June 24th, >>2013. >>http://medicalxpress.com/news/2013-06-regenerating-human-body-closer.html >>Posted by >>Robert Karl Stonjek >> >> > > > > >
