[HN Gopher] Fish eyes grown in a petri dish from embryonic stem ... ___________________________________________________________________ Fish eyes grown in a petri dish from embryonic stem cells Author : rbanffy Score : 50 points Date : 2021-09-04 11:37 UTC (11 hours ago) (HTM) web link (phys.org) (TXT) w3m dump (phys.org) | andy_ppp wrote: | How far are we off being able to regrow broken organs in humans? | To be honest I guess doing Eye transplants is beyond our current | ability even if we could grow them, but new hearts livers and | kidneys could be very useful. | epmaybe wrote: | I'd imagine the limiting factor in all of these is still | functionality of these organs. We can reorganize them to look | somewhat like the actual organ (like in the linked article), | but whether or not the organ functions the same is still under | much investigation. | phendrenad2 wrote: | Also how do you connect up the nerves? A heart transplant | works because the heart is basically self-regulating. But the | eye needs thousands of nerves to connect to the brain to be | useful. | TaupeRanger wrote: | Cutting edge work in bioelectrical fields (see Michael Levin's | lab) looks quite promising, although quite a long way off in | terms of human applications. They can do all sorts of seemingly | miraculous things in planaria. | akoluthic wrote: | Levin gave a mind boggling talk about some of their work a | couple years ago: https://youtu.be/RjD1aLm4Thg | wolfram74 wrote: | As someone with moderate keratoconus[0] and a belling reflex[1] | that makes the opthamologist go fetch the residents because they | need to see it, I am always looking forward to developments that | might let me get new dang eyes, or at least replace my corneas. | | [0]https://en.wikipedia.org/wiki/Keratoconus#Signs_and_symptoms | [1] https://en.wikipedia.org/wiki/Bell%27s_phenomenon | epmaybe wrote: | I'm sure you've seen a large volume of research involving cross | linking and such related to keratoconus. It's my hope that in | the future we find patients like yourself well before they have | progressed to later stages and have therapies affordable enough | to prevent further progression. | | Edit: I forgot to mention but newer techniques for corneal | transplant are within reach, and current techniques in the | right hands are very successful at giving usable vision. | | Best of luck! | hungryforcodes wrote: | Nexus-6 right around the corner then. | wizardforhire wrote: | "If only you could see what I've seen with your eyes" | dukeofdoom wrote: | How long before we get to have third eyes. Red dots are so | inferior. I just find it amazing that this was visioned centuries | ago by some drunk medieval monk, depicting demons in his | sketchbook with a quill pen. | | https://www.google.com/search?q=medieval+demons&hl=en&tbm=is... ___________________________________________________________________ (page generated 2021-09-04 23:00 UTC)