#gene mutations
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bpod-bpod · 1 year ago
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TANGO to Muscle
Zebrafish model for studying how mutations in the TANGO2 gene underlie the usually inherited susceptibility to the life-threatening disorder in humans called rhabomyolysis in which injured skeletal muscle rapidly breaks down
Read the published research paper here
Image from work by Euri S. Kim and colleagues
Division of Genetics, Department of Medicine, Brigham and Women's Hospital Harvard Medical School, Boston, MA, USA
Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)
Published in Disease Models & Mechanisms, September 2023 and on the cover
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thebookewyrme · 8 months ago
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Heeeey! This is awesome! And it’s nice to hear from someone else with the MTHFR (which my brain always parses as “motherfucker” which is…appropriate) getting better! I started regularly taking L-methylfolate some time ago though my insurance doesn’t cover it and it has really smoothened out my vitamin levels which would yo-yo wildly from one dr appt to the next. Sadly other conditions mean I’m still exhausted all the time, but we do what we can.
Anyway, hurray for getting care you need and overcoming weird motherfucking mutations!
Hey, who wants to celebrate some blood test results with me?
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lifepulse · 1 year ago
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Drug resistance in multiple myeloma: When cancer cells say "NO" to treatment
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Drug resistance is like a game of cat and mouse. Cancer cells are the cat, and researchers are the mouse. The cat is always trying to find new ways to catch the mouse, but the mouse is always trying to find new ways to avoid getting caught.
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fyanimaldiversity · 2 years ago
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Poptart the palmetto corn snake (Pantherophis guttatus)
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slugcatmusings · 1 year ago
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What is the Rot? Why is the Rot?
Spoiler Warning and Holy Wall of Text Batman Warning. I got WAY too into questioning the turbo-cancer here, hopefully my rambling makes sense.
So, the Rot is… weird, from a biological standpoint. Really weird, if you stop to think about it. It’s most frequently described as some variation of cancer, and it certainly fits the criteria for it. Caused by damage to DNA? Check. Multiplies uncontrollably? Check. Comes in both benign and malignant forms, one stationary and the other mobile? Big fat check. Heck, even the Rot cysts eating other creatures kind of fits, according to some research I’ve done – there are apparently cancer cells that will eat other cells, which makes sense in hindsight since cancer cells are cells that have lost important genetic restrictions, which may include whatever lets cells identify other cells as “do not eat.”
(I ain’t a biology whiz and I’m doing research on the fly while getting my thoughts out here, so take whatever I say about biology with a grain of salt)
So, Rot is clearly cancer of some kind, right? Case closed. Except when me and a friend of mine were talking Rain World theories on Discord, she brought up some interesting points that got me thinking.
First point: Rot cells obviously mutate in a way that affects FAR more than just cell replication and termination. Some of the cysts can HEAR. As far as I know, cells in the body do not hear sounds. They communicate via chemical signals and maybe, MAYBE react to temperature. Hearing involves complicated, specialized sensory apparatus to pick up on vibrations in the air. Even if you simplify it and say that it’s only vibrations, that’s STILL a multicellular thing, not a single-cell thing. It’s something that took millions of years to evolve on Earth, if not billions.
And while Rain World’s timeline goes on for long enough that it those kinds of mutations might happen eventually, Rot cysts have the ability to hear pretty much right from the start – because even the Proto-Long-Legs react to your presence like the Daddy Long Legs do, and the Rot in Spearmaster’s campaign, where Pebbles has recently contracted it, reacts the same way as it does in later campaigns. It’s already able to hear.
As far as I know, cancer just means the same cell duplicating over and over again. Are more mutations possible with each division, as errors are made in the DNA during splitting? Probably. But not to THAT extent. There’s no way a lump of cancer somehow mutated the exact complicated genetic blueprint needed to grow organs, at least not without outside interference.
Second point: Cases of Rot are way too consistent across the board. Now, we don’t have a huge sample size to work from, but from what we see from both Pebbles’ Rot, and Hunter Long Legs, they’re… pretty similar. Hunter Long Legs is basically a mobile Rot cyst. They move the same way, seem to grow the same way (starts as a growth inside/on the body before eventually freeing itself from whatever wall/flesh it grew from in some capacity and moving elsewhere), they have the same senses, and they even eat the same way, via something like phagocytosis (how white blood cells “eat” invading organisms via engulfing them and breaking them down in a sac in their main “body.”)
Now, this doesn’t tell us much, because cancer, when it does emerge, is pretty consistent in symptoms/what the mutated cells do once they start replicating. It’s pretty much the same regardless of whatever organism the cancer is happening in. But what ISN’T consistent is what causes the DNA error in the cancer cell in the first place. IRL, cancer can be caused by all kinds of things – smoking, radiation poisoning, being out in the sun too long, drinking deadly chemicals and whatnot, anything that damages DNA. But in RW, the only time we ever hear Rot talked about, or see it present, is in the context of an iterator having f*cked up while mucking around with DNA. Pebbles was trying to create an organism that could change his own genome, and No Significant Harassment created Hunter as a messenger and probably mucked something up in the process in his haste to get them to Moon.
This doesn’t mean that there aren’t other causes of it, of course, we’re working with a sample size of two in an apocalyptic world with who knows how much potentially DNA-damaging stuff around, but… that’s still awfully consistent.
So, combining these points and everything we know to be canon, Rot is:
an organism that lives inside another organism
Until a certain condition is met, it cannot harm said host organism.
Once said condition is met, it goes out of control, wreaking havoc on the organism’s systems and mutating, giving it sensory capabilities and an appetite
Said condition is apparently someone messing up when re-arranging genomes, in yourself or others
It is widespread across multiple different species, at least iterators and slugcats but potentially other species as well.
Once you have a bad case of it, it is apparently NOT CURABLE. Pebbles tried everything he could think of but apparently exhausted all of his options by the time of the Survivor/Monk campaigns.
So, with all the context FINALLY laid out, here’s my wild theory: Rot isn’t a cancer. It’s a symbiote turned parasite. Specifically, I believe it’s a symbiotic microbe that lives inside the cells that make up every other creature in Rain World, and is held in check by a specific gene that all species share, and altering or getting rid of that gene causes it to go berserk, taking over and eventually mutating the host cells.
Yeah, I did watch Parasite Eve let’s plays as a kid, why do you ask? Anyway, hear me out here.
There is precedence for single-celled organisms living inside of other single-celled organisms. They’re referred to as intracellular endosymbiots (hopefully I got the spelling right there), and the most well-known one is probably the mitochondria. The powerhouse of the cell is thought to be descended from some bacteria way, WAY back that was engulfed by a larger cell and not only survived it, but BENEFITED from it. Since then those ancient proto-mitochondria and eukaryotic cells have mutually evolved to be dependent on each other. So it’s entirely possible for something similar to have happened in Rain World.
However, I don’t think it happened NATURALLY, here. Because something that’s able to take over a cell entirely and begin wildly mutating it is NOT something your average cell wants inside of it. There’s a VERY high chance of extinction if you do that. Which means that of course those funky bio-tech loving Ancients either took a look at a wildly dangerous cellular parasite and went “hmmm we can use this” or made one themselves.
Why did they do this? Who knows! Currently, I’m tied between “they needed a better powerhouse for the cell to power the various weird adaptations they’re building into various creatures,” “there was some sort of disease that this parasite gave immunity against and they wanted to make use of it,” and “it gave their creations massively powerful regeneration factors that made them much easier to maintain.” Possibly it was all three. Whatever the reason, the Ancients either found or created this parasite, and put it into their creations’ cells, hoping to reap the benefits.
Well, they got the benefits, but they also got a microbe that hijacked the cells and harnessed their pre-existing DNA blueprints to build organisms disguised as great big blobs of cancer. Which is not exactly ideal, but hey, they just had to figure out a way of keeping the cell hijacking from happening! And the way they ended up going about it was to alter the thing so that so long as there was a specific DNA sequence in the cell, it laid mostly dormant. All the benefits, none of the risks – so long as that specific string of genes remained intact.
And then BECAUSE it was so beneficial, they spread their artificial symbiote and it’s genetic reins throughout ALL of their creations, from the smallest pipe-cleaning slugs to the iterators. Which meant that as their purposed organisms replaced most of the original ecosystem, they spread the symbiote as well. Thus making it possible for pretty much ANY creature on the planet to come down with a bad case of the Rot. And with the iterators, I wouldn’t be surprised if this symbiote is tied to their self-destruction taboos. Try to cross yourself out? Well, it’s gonna maybe happen now, but it’ll be a slow painful death as you’re eaten alive from the inside and all your own parts turn against you, so was it really worth it?
And they never told their creations this perhaps even actively hid it, because why tell them the cause of the main deterrent to them mucking with their taboos? They might find a way around it. The iterators were left ignorant of how Rot works, and because of this they never figured out that Rot HAD a cure after all: rebuilding that genome that reins in the symbiote. Because why in the name of the Void would they repeat the same mistakes that gave them Rot in the first place, and potentially make it worse?
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elexuscal · 10 months ago
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because i've been in been in the biology industry for so long that i can no longer judge what's common knowledge and what's actually very niche
how aware are most people that there's a protein called Sonic hedgehog protein, coded for by the SHH gene?
and that it is one of the core proteins responsible for development in all animals?
i can say 'Sonic hedgehog causes cancer' and i'm not even shitposting. it's scientific fact.
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in-asterism · 1 month ago
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cursed daughter of a blessed mother who is the blessed daughter of a cursed mother who is the cursed daughter of a cursed mother
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sethdomain · 2 years ago
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jumpscare
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extra sketches that is related to bad gene, maybe some bit spoiler
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in case you arent all time sethdomain fan from da beginning, 4lphraud has a huge problem when it come to trying to not make fucked up storyline, which i may or may not be try to not do on this series.
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stupidvillainousposts · 23 days ago
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Pretty often, actually. Every other adult sees them and automatically assumes they're just cute 10-year-olds who like to dress up like puppies.
When they find out who the pups are related to, though, most if not all of the people they meet try to keep a good distance from them.
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eeveekitti · 8 months ago
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WC/RW DAY 2: SURVIVOR
their name is raincloud, a loyal warrior of the now-named drizzleclan!! funfact, the dogwood petals in their fur come from their sibling flowerheart, so they could match :3
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and here are their adopted kits, puddlekit and mosskit!
another funfact..... raincloud is albino, which is how they can be pure white while their family is not
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this is what they'd look like without the albino covering, a cream mackerel tabby with low white [just like flowerheart!]
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bpod-bpod · 2 years ago
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Notch the Protector
As we age, our DNA acquires mutations. While the majority are harmless, some mutations can cause uncontrolled cell growth leading to cancer. By middle-age, the human oesophagus has developed into a patchwork of mutated cells. If those mutations do cause tumours, they can be hard to treat as symptoms appear once it has already started spreading. Researchers analysed the mutations in cells of the oesophagus in the over-50s. They discovered that most of them had mutations in a gene called NOTCH1. But this mutation was very rare in oesophageal cancers. To try and solve this mystery, the researchers removed Notch1 (pink) from mice (right) with oesophageal tumours (pictured, various colours) and tumour size was clearly reduced. Losing NOTCH1 appears to be a protective mutation against oesophageal cancer. If we can understand how this protection occurs, we could find new therapies that block NOTCH1 to treat these cancers.
Written by Sophie Arthur
Image adapted from work by Emilie Abby and colleagues
Wellcome Sanger Institute, Hinxton, UK
Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)
Published in Nature Genetics, January 2023
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aealzx · 2 years ago
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Better Genes pg 15-18 / 38
A short ROTTMNT comic based off of 2003 TMNT Good Genes
(Read right to left)
Note, this comic will contain in either imagery or text: illness, fever, injury, bruises, blood, IV, needles, syringes, drugs, sedatives, body aches, sprained ankle, mild mutation, cracked ribs, injured eye, tranquilizer gun, pharmacy, TV Medicine, TV Science
as well as
familial fluff, hurt/comfort, very minor drama/angst, personal adjustments to canon designs
Featured characters: Donnie, Mikey, Leo, Raph, April, Splinter, Casey
Pg 1-5     Pg 6-10    Pg 11-14     . . . .    Pg 19-22      Pg 23-25
Pg 26-29
Written Add on Part 1
Pg 30-33     Pg 34-35     Pg 36-38
___________
He’s a big boi now 8′D
Drawing symmetrical backgrounds is fun XD
Casey is just happy to be there.
I totally didn’t make Leo able to summon/create his swords just so I didn’t have to draw them all the time |D nope.
Leo’s faces were very fun to draw for these pages. I hope people like them |D
---
Fun fact, I threw a lil easter egg in there behind Donnie on page 16 XD I figured his computer monitors wouldn’t be blank, so I put my waifu friend’s game she made in 10 days for a contest on there. A lil fun thanks for being my proof reader XD That’s also her code for another game she’s working on for the other screens.
It’s free to download and play over on itch.io if anyone is interested. ;P
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mau-mao · 5 months ago
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Favorite Cat Coat Pattern
The tortoiseshell point Siamese!
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Did you know? Siamese cats have a genetic mutation called the Himalayan gene, which produces temperature-sensitive pigment. Darker sections are due to cooler temps. and lighter sections are due to warmer temps.
Their coats can actually change colors depending on age and season.
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monotone-artist · 22 days ago
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[id in alt]
giving them Magic Eyes so they can see invisible spirits ooooo
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rafesthroatbaby · 2 years ago
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OMG 😍😩 I WANT THIS SOO BAD
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sevenrs · 2 years ago
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You wanna know what I find interesting? SRS knew that NSH dealt with sending private messages via slugcat modification, and took inspiration from him to make Spearmaster to send a message to 5P.
However, where NSH makes temporary messengers(aka like Hunter), SRS made Spearmaster with the goal of making a strong messenger that could deliver the message, and make it back.
SRS got attached to his little messenger, and while the situation with 5P is the main thing on his mind, I absolutely think that when Spearmaster became visibly weakened and vulnerable, SRS was going full panic mode in his can.
Also because I can i hc he named Spearmaster after that whole ordeal when they came back, like how Moon names the Rivulet.
yeah the broadcasts really make me feel things... suns cares so much
honestly what were both of them thinking
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