2015-11-19.log

--- Log opened Thu Nov 19 00:00:29 2015
andaresIs there any work on a protocol for reduced-risk DIY gene therapy?00:03
andaresI was thinking something along the lines of: try it in vitro on a selection of tissues from biopsy, some sort of quality control to make sure no RNA or DNA targets that aren't intended are in there..00:05
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kanzurebloop08:29
heathbleep08:34
kanzurehm.08:36
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Aurelius_Workplop09:09
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kanzurehttps://www.reddit.com/r/Bitcoin/comments/3tftas/mike_hearn_now_working_for_r3cv_blockchain/cx5tlis?context=109:10
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kanzure"And electrical outlets. When we built our new hackerspace, I asked for quad outlet boxes set in the floors and ceilings on a 12'x12' grid. Costs forced us to settle on 15'x15'. Each box had 4 data jacks and 4 110VAC power outlets, except for shop areas, which are 208 VAC 5 wire (3 hots, neutral & ground), from which we can derive anything we need in the shop, mostly 208 3 phase, 208 2 pole, and 110. The electricians thought I was insane ...09:25
kanzure... until I told them we never knew where anything was going to be and things would be rearranged constantly. They still didn't get it until we compared it to a theater or a museum. "09:25
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andaresThe hackerspace here seems underwhelming09:58
andaresMostly a vehicle for selling field trips to high school classes it seems09:59
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kanzuregotta pay the bills somehow10:07
kanzurei think a consulting model would work well for hackerspaces10:07
kanzureinstead of membership fees10:07
andaresI was thinking of trying to organize as a nonprofit medical research company10:10
andaresThat licenses discoveries to larger firms10:10
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justanotheruserhttp://www.nature.com/nrd/journal/v11/n3/fig_tab/nrd3681_F1.html12:23
kanzure.title12:25
yoleauxFigure 1 : Diagnosing the decline in pharmaceutical R&D efficiency : Nature Reviews Drug Discovery12:25
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justanotheruseremoor law, moore backwards for obvious reasons12:45
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kanzuremeredith will be showing off some neurofeedback stuff at 32c3 this year https://events.ccc.de/congress/2015/wiki/Assembly:Neuro_Hacking12:51
Aurelius_WorkHmmm13:04
Aurelius_WorkI'm curious what she's working on, I'll have to poke her13:04
kanzureshe says neurofeedback fixed her insomnia13:06
Aurelius_Workshe also gets to sleep from 4am to 11am, which I guess is the benefit of not being on a 9-5 schedule13:07
chris_99ooh they've released the talks for ccc13:07
chris_99or..?13:07
kanzurei think this was hacker village dunno13:07
chris_99aha13:07
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kanzure"Today, Wal-Mart runs a centralized economy bigger than Soviet consumer production in the 1970s. It's all run out of Bentonville, Arkansas. Wal-Mart is so centralized that the thermostats in the stores are controlled from Bentonville."13:37
kanzureheh13:37
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nmz787_i1oh snap! I get up to $40k in conception health benefits (ever in my life) from my company's health plan!!!13:42
nmz787_i1including """Diagnostic services to establish the cause or reason for infertility, and to treat an underlying medical condition. Fertility prescriptions Assisted reproductive technology (ART) e.g., in vitro fertilization, artificial insemination, intrafallopian transfer Cryopreservation and storage of egg, embryo, sperm Cord blood retrieval and storage"""13:42
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kanzurenmz787_i1: i wonder if anyone commits insurance fraud regarding fertility just to get cool healthcare around eggs/embryos/stem cells/sperm freezing etc etc.14:08
nmz787_i1https://www.eaglegenomics.com/wp-content/uploads/Periodic%20jpeg.jpg14:11
nmz787_i1kanzure: seems possible14:12
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kuudesah, kanzure you may like it that finland integrated the maternal blood test for chromosome anomalies into the public healthcare may this year.15:14
kuudesit is only done if there are risk factors from the age, ultrasound and other factors, but it is offered before needle biopsy to rule out most false positives as needle biopsy has some 1% of rate for termination of pregnancy15:15
kanzurefetal needle biopsy has 1% termination rate??15:16
kuudessomewhere around that iirc15:19
kuudesthat is why it is not done very often15:19
kuudesand that is why the blood test is really useful15:19
kanzureperhaps plugging the hole you create during biopsy would prevent the 1% termination15:19
kanzurestick in some glue or something15:20
kuudesyeah, maybe.15:20
drethelinhah15:20
kuudesso before it was 1. calculate the risk factors from age and ses questionnaire and the assessment of the ultrasound 2. if there was risk level higher than some level, propose needle biopsy -> 1. 2. offer blood test 3. if blood test not negative, offer needle biopsy15:21
kuudesso it takes some half or more of the needle biopsies away15:22
kuudesI suppose it may be cost effective even in considering the amount of raw work and salaries, though maybe not.15:23
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kanzurehttps://tree.opentreeoflife.org/opentree/argus/opentree4.0@119:08
kanzure"Synthesis of phylogeny and taxonomy into a comprehensive tree of life" http://www.pnas.org/content/112/41/12764.abstract19:14
kanzuredocl: yes gene therapy for cryonics-adaptation is a possibility, if cryonics-adaptation can be demonstrated somewhere first.19:16
kanzurehowever, i am a little hesitant to promise people that this would work19:17
kanzurei am willing to claim cryonics-adaptation has high chance of working, but cryonics-adaptation plus gene therapy working for existing adults? seems much more difficult.19:17
kanzurefor example, cryonics-adaptations might require biochemistry or physiology that is incompatible with an adult's existing physiology19:18
kanzurei also suspect that there will be low survival rates and for those who do "survive" will initially experience a lot of problems with healing after that sort of extreme trauma19:26
kanzure.. which is okay.19:28
kanzuredocl: it occurs to me that you may not have seen the version of that idea that involves selective breeding....19:38
kanzurerational design of cryoprotectant synthesis is a good dea, although i think that selective breeding will be necessary to smooth out the rough spots in an organism like the mouse19:38
kanzure*good idea19:38
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doclYeah, I saw that. It just seems like selective breeding would be too slow, even in mice, at least for deep cryo. If you could splice in some e. Coli genes that confer dessication resistance, it might be another story though.19:50
kanzurewhat do you consider too slow vs. too fast? for reference19:51
doclHmm. more than a few decades is too slow.19:53
kanzurei think that selective breeding can get results in <20 years19:53
kanzurei also think that by increasing the size of the population of mice you are breeding, you decrease the total number of generations required19:54
kanzurealso you have to include a mutagenesis mechanism to increase the mutation rate19:54
kanzureyou can jack up mutation really really high everywhere19:54
kanzurewhich also helps things happen in that 20 year window19:54
kanzurei am thinking of throwing a few million mice at this problem19:54
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kanzurefurthermore, you don't need whole-animal survival first. select first for higher cell survival rates, then for whichever organ seems most close to survival, then for multiple organs, then finally whole-animal. of course, if there are intermediate promising whole-animal results then go for it.19:56
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doclhttp://www.researchgate.net/publication/12657942_Trehalose_expression_confers_desiccation_tolerance_on_human_cells19:59
kanzure""Many organisms that withstand desiccation express the disaccharide trehalose. We have now expressed the otsA and otsB genes of Escherichia coli, which encode trehalose biosynthetic enzymes, in human primary fibroblasts using a recombinant adenovirus vector. Infected cells produced increased amounts of trehalose with increasing multiplicity of infection (MOI). Human primary fibroblasts expressing trehalose could be maintained in the dry ...20:02
kanzure... state for up to five days. Fourier transform infrared spectroscopy indicated that dry, but viable, human cells contained no detectable water. This study shows that mammalian cells can be engineered to retain viability in the absence of water."20:02
kanzureresearchgate has js paste spam :(20:02
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doclOf course, this was 15 years ago. I should check to see if any recent papers are citing it.20:05
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doclhttps://scholar.google.com/scholar?as_ylo=2014&cites=1003723963927961814620:27
doclHere's a good one: http://www.sciencedirect.com/science/article/pii/S000527361400075320:28
doclDesign of novel cell penetrating peptides for the delivery of trehalose into mammalian cells20:30
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doclHighlights20:40
doclA novel cell penetrating peptide (CPP) was designed based on molecular simulations.20:40
doclThe CPP has high efficiency of penetrating into cells with little cytotoxicity.20:40
doclTrehalose can be specifically delivered into cells with high efficiency.20:40
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kanzurea while back someone (maybe fenn?) asked for evidence that larger populations would entail faster results21:06
kanzureat the time for whatever reason i didn't think of the most obvious answer, which is that you can search over the genetic landscape much faster with higher parallelism21:06
doclright21:06
kanzuresomething something population genetics.....21:07
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doclWith e. coli or some other bacteria/microbe, can't you get a much bigger degree of parallelism?21:07
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kanzureyes but you can already freeze those suckers21:08
doclThat's true. But you could use them to develop novel kinds of protein if you know what you are looking for, then transplant them into mice.21:09
nmz787_iyou're assuming infinite resources and 'landscape' realestate21:38
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doclhttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.013032322:32
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--- Log closed Fri Nov 20 00:00:30 2015

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