The medical potential of AI and metabolites | Leila Pirhaji

68,498 views ・ 2019-11-20

TED


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Prevoditelj: Ivan Nekić Recezent: Sanda L
00:13
In 2003,
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2003. godine,
00:15
when we sequenced the human genome,
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kad smo razložili ljudski genom,
00:18
we thought we would have the answer to treat many diseases.
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mislili smo da ćemo imati odgovor za liječenje mnogih bolesti.
00:22
But the reality is far from that,
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No, stvarnost je daleko od toga,
00:26
because in addition to our genes,
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jer osim naših gena,
00:28
our environment and lifestyle could have a significant role
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naše okruženje i način života mogu imati značajnu ulogu
00:33
in developing many major diseases.
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u razvoju mnogih velikih bolesti.
00:35
One example is fatty liver disease,
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Jedan primjer je bolest masne jetre,
00:39
which is affecting over 20 percent of the population globally,
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koja pogađa preko 20% stanovnika svijeta,
00:43
and it has no treatment and leads to liver cancer
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i nema joj lijeka, a vodi do raka jetre
00:46
or liver failure.
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ili zatajenja jetre.
00:49
So sequencing DNA alone doesn't give us enough information
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Dakle, sekvenciranje DNK samo po sebi ne daje nam dovoljno informacija
00:54
to find effective therapeutics.
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za pronalazak učinkovitih terapija.
00:56
On the bright side, there are many other molecules in our body.
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Dobro je što postoje mnoge druge molekule u našem tijelu.
01:00
In fact, there are over 100,000 metabolites.
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Zaista, postoji preko 100.000 metabolita.
01:04
Metabolites are any molecule that is supersmall in their size.
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Metaboliti su bilo koja molekula supermale veličine.
01:09
Known examples are glucose, fructose, fats, cholesterol --
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Poznati primjeri su glukoza, fruktoza, masti, kolesterol --
01:14
things we hear all the time.
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ono o čemu stalno slušamo.
01:16
Metabolites are involved in our metabolism.
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Metaboliti su uključeni u naš metabolizam.
01:20
They are also downstream of DNA,
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Oni su na nižoj razini od DNK
01:24
so they carry information from both our genes as well as lifestyle.
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pa nose informacije iz naših gena, kao i stila života.
01:29
Understanding metabolites is essential to find treatments for many diseases.
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Razumijevanje metabolita je ključno za pronalazak tretmana za mnoge bolesti.
01:34
I've always wanted to treat patients.
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Oduvijek sam željela liječiti pacijente.
01:37
Despite that, 15 years ago, I left medical school,
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Unatoč tome, prije 15 godina, napustila sam medicinsku školu
01:41
as I missed mathematics.
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jer mi je nedostajala matematika.
01:45
Soon after, I found the coolest thing:
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Ubrzo potom otkrila sam sjajnu stvar:
01:48
I can use mathematics to study medicine.
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Mogu koristiti matematiku za studij medicine.
01:53
Since then, I've been developing algorithms to analyze biological data.
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Od tada razvijam algoritme za analizu bioloških podataka.
01:59
So, it sounded easy:
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Dakle, zvučalo je jednostavno:
02:01
let's collect data from all the metabolites in our body,
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prikupimo podatke o svim metabolitima u našem tijelu,
02:05
develop mathematical models to describe how they are changed in a disease
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razvijmo matematičke modele za opisivanje kako se mijenjaju u bolesti
02:10
and intervene in those changes to treat them.
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i intervenirajmo u te promjene kako bismo ih liječili.
02:14
Then I realized why no one has done this before:
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Tada sam shvatila zašto to nitko nije učinio prije:
02:19
it's extremely difficult.
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to je iznimno teško.
02:20
(Laughter)
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(Smijeh)
02:22
There are many metabolites in our body.
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Postoje mnogi metaboliti u našem tijelu.
02:24
Each one is different from the other one.
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Svaki od njih različit je od onog drugog.
02:27
For some metabolites, we can measure their molecular mass
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Nekim metabolitima možemo mjeriti molekularnu masu
02:31
using mass spectrometry instruments.
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instrumentima za spektrometriju mase.
02:33
But because there could be, like, 10 molecules with the exact same mass,
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No kako bi moglo biti, recimo, 10 molekula s istom masom,
02:38
we don't know exactly what they are,
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ne znamo točno koje su,
02:39
and if you want to clearly identify all of them,
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pa ako ih želite sve jasno identificirati,
02:42
you have to do more experiments, which could take decades
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treba raditi još eksperimenata, što bi moglo trajati desetljećima
02:45
and billions of dollars.
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i stajati milijarde dolara.
02:48
So we developed an artificial intelligence, or AI, platform, to do that.
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Tako smo razvili umjetnu inteligenciju, ili AI, kao platformu koja će to učiniti.
02:53
We leveraged the growth of biological data
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Iskoristili smo rast bioloških podataka
02:56
and built a database of any existing information about metabolites
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i izgradili bazu podataka svih postojećih informacija o metabolitima
03:01
and their interactions with other molecules.
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i interakcija njih s drugim molekulama.
03:04
We combined all this data as a meganetwork.
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Povezali smo sve te podatke u megamrežu.
03:07
Then, from tissues or blood of patients,
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Zatim iz tkiva ili krvi bolesnika
03:11
we measure masses of metabolites
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mjerimo mase metabolita
03:13
and find the masses that are changed in a disease.
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i tražimo one koje se mijenjaju u bolesti.
03:17
But, as I mentioned earlier, we don't know exactly what they are.
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Ali, kao što sam spomenula ranije, ne znamo točno koji su.
03:20
A molecular mass of 180 could be either the glucose, galactose or fructose.
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Molekulska masa 180 može biti glukoza, galaktoza ili fruktoza.
03:25
They all have the exact same mass
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Sve one imaju iste mase
03:27
but different functions in our body.
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ali različite funkcije u našem tijelu.
03:29
Our AI algorithm considered all these ambiguities.
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Naš AI algoritam uzima u obzir sve te nedorečenosti.
03:33
It then mined that meganetwork
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Zatim pretražuje tu megamrežu
03:36
to find how those metabolic masses are connected to each other
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da vidi kako su te metaboličke mase međusobno povezane
03:40
that result in disease.
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kad rezultiraju bolešću.
03:42
And because of the way they are connected,
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I po načinu na koji su povezani,
03:44
then we are able to infer what each metabolite mass is,
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onda možemo zaključiti što je svaka metabolička masa,
03:49
like that 180 could be glucose here,
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kao, ovdje bi 180 mogla biti glukoza,
03:52
and, more importantly, to discover
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i, što je još važnije, otkriti
03:54
how changes in glucose and other metabolites
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kako promjene u glukozi i drugim metabolitima
03:57
lead to a disease.
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dovode do bolesti.
03:59
This novel understanding of disease mechanisms
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To novo razumijevanje mehanizama bolesti
04:02
then enable us to discover effective therapeutics to target that.
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omogućuje nam zatim otkrivanje učinkovitih ciljanih terapija.
04:07
So we formed a start-up company to bring this technology to the market
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Stoga smo osnovali start-up tvrtku kako bismo tu tehnologiju stavili na tržište
04:11
and impact people's lives.
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i poboljšali živote ljudi.
04:13
Now my team and I at ReviveMed are working to discover
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Sada moj tim i ja u ReviveMed radimo na otkrivanju
04:17
therapeutics for major diseases that metabolites are key drivers for,
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terapija za glavne bolesti kojima su ključni pokretači metaboliti,
04:22
like fatty liver disease,
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poput bolesti masne jetre,
04:24
because it is caused by accumulation of fats,
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jer je uzrokovana nakupljanjem masti,
04:27
which are types of metabolites in the liver.
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koje su vrste metabolita u jetri.
04:29
As I mentioned earlier, it's a huge epidemic with no treatment.
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Kao što sam spomenula ranije, to je ogromna epidemija bez lijeka.
04:33
And fatty liver disease is just one example.
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A bolest masne jetre je samo jedan primjer.
04:36
Moving forward, we are going to tackle hundreds of other diseases
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Ubuduće ćemo se boriti sa stotinama drugih bolesti
04:40
with no treatment.
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za koje nema lijeka.
04:42
And by collecting more and more data about metabolites
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Prikupljanjem sve više podataka o metabolitima
04:46
and understanding how changes in metabolites
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i razumijevanjem kako promjene metabolita
04:50
leads to developing diseases,
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dovode do razvoja bolesti,
04:52
our algorithms will get smarter and smarter
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naši algoritmi će postajati sve pametniji
04:56
to discover the right therapeutics for the right patients.
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u otkrivanju pravih terapija za pravog pacijenta.
05:00
And we will get closer to reach our vision
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Približit ćemo se ostvarenju naše vizije:
05:04
of saving lives with every line of code.
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spašavanja života sa svakim retkom koda.
05:08
Thank you.
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Hvala vam.
05:09
(Applause)
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(Pljesak)
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