logoalt Hacker News

kayo_20211030yesterday at 7:23 PM4 repliesview on HN

I'm interested - for reasons. Does anyone have a sense of what this study means in a practical or actionable sense?

In toto, the conclusion of the paper:

> Together, these findings define a dual-layered model of molecular convergence in ASD: convergence through shared interaction networks in the wild-type state and convergence through recurrent functional consequences of interaction rewiring in the mutant state. More broadly, this work establishes a scalable framework for systematic interrogation of the autism proteome, enables prioritization of druggable protein interfaces, and provides a rational foundation for precision therapeutic strategies aimed at restoring neurodevelopmental trajectories.

I have no grounding here. Does anyone want to have a go at teasing the meaning out?


Replies

randomImmigrantyesterday at 7:56 PM

Here’s how I’m thinking about it (still digging into the details): across genomics, it’s become clear few traits have clear traceability to a few loci in the genome.

Instead, evidence has been growing that epistasis, the nonlinear interaction between genes and other genomic regions, predominates in explanations of most phenotypes.

What this paper does is show where upstream of the genome various combinations of mutations can interact to cause damage during development, thus leading to the phenotype. Rather than correcting a particular mutation, or targeting drugs to their protein products, we may find downstream protein-protein interactions that are strong drivers of the phenotype, and hopefully find ways to prevent/reverse these effects.

AndrewDuckeryesterday at 7:43 PM

Nothing yet. This is incredibly preliminary, with lots of this being tested in frogs.

It hopefully gives hints which will be tested,better understood, and show actual mechanisms in humans. But probably not for years.

slantedviewyesterday at 7:40 PM

There's a CNN article that has some expert quotes for context, but isn't quite as in depth as the study itself: https://archive.ph/yBiM8

rickydrollyesterday at 7:28 PM

I interpret it as they think they can find treatments that will course-correct the development of a child, but they're not saying anything about fixing something that's already broken.

show 3 replies