Yesterday I posted a piece about @OrchidInc's polygenic embryo selection. I thought, based on a press release I read, that they were the first company to undertake polygenic embryo selection. 1/ liorpachter.wordpress.com/2021/04/12/the…
The press release started w/ "Orchid, the first preconception system to quantify how a couple's genetics impacts their future child's health, today announced a $4.5M seed round..". It went on to describe the company's polygenic embryo selection product. 2/ prnewswire.com/news-releases/…
I naïvely assumed that Orchid is the first company to embark on polygenic embryo selection, but TIL that is not the case. In fact, more than two years ago, an article in @TheEconomist discussed myome. 3/
The company's website (myome.com) describes their strategy as polygenic embryo selection. 4/
However, unlike Orchid which is just starting out, myome has already assembled a formidable team to work on this. myome.com/#team. The advisors are @sbmontgom, @HastieTrevor, @Rbaltman from @Stanford and @jacobkitzman from @UMich. 😮 5/
That's five @Stanford profs I'm aware of currently advising or assisting companies engaging in polygenic embryo selection (w/ @JanLiphardt & @cdbustamante for @OrchidInc). Super disappointing that they would engage in this scientifically bankrupt & morally repugnant enterprise.6/
I highlight @stanford because while this has been going on, @MLevitt_NP2013, Ioannidis, Atlas, and Bhattacharya, also all @Stanford, having been engaged in scientifically bankrupt and morally repugnant #covid19 denial. As a separate matter, Palo Alto, we have a problem. 7/
In terms of myome and Orchid, I really hope the genetics community comes together to send a strong message to the public about why PES is a horrible idea. 8/

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More from @lpachter

31 Mar
I have a few things to say about this tweet attacking @mbeisen and subtweeting me. Specifically, I want to talk about cancel culture gone mad... 1/14
In September I wrote a blog post reciting several false #covid19 claims and predictions made by Levitt over the course of the pandemic. That is not an "ad hominem attack". I reported Levitt's claims (with references). liorpachter.wordpress.com/2020/09/21/the… 2/14
Levitt, for his part, has responded to criticism of his failed predictions with non-sequiturs about attacks on free speech. 3/14
Read 14 tweets
29 Jan
This past week my lab published 4 @biorxivpreprint papers in applied math (biorxiv.org/content/10.110…), biology (biorxiv.org/content/10.110…), bioinformatics (biorxiv.org/content/10.110…), and instrumentation (biorxiv.org/content/10.110…). They were possible thanks to reproducibility... 1/
There is a lot of focus on the importance of reproducible science for facilitating replication of published research. That's all good, but reproducible science has another benefit: when adopted by a group it is an incredible accelerant for research *in that group*. 2/
Consider the paper we wrote on whole animal multiplexed #scRNAseq. The @GoogleColab notebooks Tara Chari wrote for the analyses were a monumental effort, but she did not start from scratch. 3/
Read 8 tweets
29 Jan
Happy to announce a new open-source instrument from our lab, this time a low-cost, scalable, and automated fraction collector for fluidics applications. Beautiful work by @sinabooeshaghi & @annekylosaurus, with @lioscro and @JaseGehring. 1/
biorxiv.org/content/10.110…
The design is simple and elegant. A single motor drives the shaft of the tube rack, which is coupled to the dispenser arm via a spiral track. This ensures both rotate in tandem. 2/
The device is easy to 3D print and build, and can be assembled from off-the-shelf parts in less than an hour for $67.02. This low cost, and the straightforward assembly, is possible thanks to the design around a single motor. Amazing work by @annekylosaurus & @sinabooeshaghi. 3/
Read 12 tweets
28 Jan
Universal Health Services @UHS_Inc is the largest facility-based behavioral health provider in the country. Its mission statement includes "To provide..healthcare services that..INVESTORS seek for long-term returns."

Hard to believe right?

This is straight from their "mission statement" website, capitalization and all... uhsinc.com/mission-statem…
Last year UHS settled with the DOJ for $122 million. complianceweek.com/regulatory-enf…
Read 5 tweets
25 Jan
New preprint from our lab on whole animal multiplexed #scRNAseq (WHAM-seq) by Tara Chari, Brady Weissbourd & @JaseGehring et al. collaborating w/ David Anderson, Evelyn Houliston @Clytia_Vlfr, and @richcopley. A 🧵 about our proof of principle in🎐... 1/ biorxiv.org/content/10.110…
We show #scRNAseq can be used for "reverse genomics" to conduct low-cost *experiments*. Instead of sequence first ask questions later, we ask questions first & then sequence. We illustrate the approach w/ a starvation experiment using the emerging model Clytia hemisphaerica. 2/ ImageImage
We performed multiplexed #scRNAseq using the ClickTag approach developed in our lab by @JaseGehring (w/@sisichen, Matt Thomson, Jeff Park). The chemical multiplexing can be used on any tissue/animal and facilitates experiments with little batch effect. 3/ nature.com/articles/s4158…
Read 16 tweets

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