Nicole Laurent, LMHC Profile picture
May 26 23 tweets 3 min read Twitter logo Read on Twitter
Let's break down what this fun article is talking about regarding the sociability of mitochondria! I love me a good paradigm shift first thing in the morning. Don't you?! ☕🌞🧵(1/23)
The article discusses the concept of sociality, or the tendency to form social groups, as a phenomenon that exists across different levels of biological complexity. (2/23)
sciencedirect.com/science/articl…
All the cool kids do it! From unicellular organisms to multicellular animals. And mitochondria are no exception! But they have been traditionally viewed as individual entities. And finally, they are being fully recognized for their social behavior. (3/23)
Mitochondria, the energy-producing organelles within cells, are social "butterflies" (organelles). How are they social? I am going to tell you. Keep reading! ⬇️ (4/23)
First, mitochondria communicate with each other and with the cell nucleus. (5/23)
When mitochondria are in a state of fusion, they exchange contents, including mitochondrial DNA, proteins, and metabolites, effectively allowing them to "communicate" and share resources with each other. (6/23)
As for communication with the cell nucleus, #mitochondria send signals that can influence gene expression. (7/23)
When a cell's energy levels are low, mitochondria produce a molecule AMP, which signals the nucleus to activate energy-producing genes. This communication ensures the cell can respond effectively to its energy needs. (8/23)
Mitochondria also exhibit group formation and interdependence! (9/23)
In a cell, multiple mitochondria can come together and form functional clusters or groups called mitochondrial networks. This allows mitochondria to coordinate their activities and work collectively to meet the cell's energy demands. (10/23)
Mitochondria exhibit group formation and interdependence within a cell. (11/23)
They come together to form functional clusters called mitochondrial networks, and this interdependence ensures efficient energy production and utilization, optimizing the functioning of the cell and supporting overall cellular health. (12/23)
Mitochondria synchronize their behaviors and functionally specialize to accomplish specific functions within the organism. Let me give you some examples. (13/23)
Mitochondria in cardiac muscle cells synchronize their activities to ensure the continuous contraction and relaxation of the heart, enabling it to pump blood effectively. They have to be in sync to do this for you. (14/23) ❤️
Mitochondria in neurons synchronize their behaviors to provide energy for the complex electrical signaling and neurotransmitter release necessary for proper brain function. They sync up to accomplish this important function! (15/23) 🧠
Got muscles? You need mitochondria that synchronize their behaviors to generate ATP and provide the energy needed for muscle contraction and movement. (16/23) 💪
You get the idea! Imagine all those #mitochondria synching up in every organ so they can do the things that need to be done. (17/23)
The article identifies six essential principles of social organisms and how they manifest in mitochondrial behavior. (18/23)
These include shared environment, communication, group formation, synchronization of behavior, functional interdependence, and specialization and division of labor. (19/23)
So now that we know mitochondria are super social, what are the implications for understanding health and disease processes? (20/23)
The view of mitochondria as social organelles has critical implications for behavioral and biomedical sciences. We are going to see some cool stuff coming out with this shift! (21/23)
Why? Because it encourages a shift from purely reductionistic explanations of biology and behavior to more integrative approaches that consider the social nature of biological entities. (22/23)
Reductionistic views just aren't cutting it anymore. And I will argue they have sometimes (or even often) done more harm than good. So I am excited and hopeful about the potential of studying the mighty #mitochondria from this cool never viewpoint. (23/23)

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More from @KetoCounselor

May 27
If you are a doctor warning people away from a ketogenic diet because of concerns about heart health, I don't know what research you are even reading at this point! Let me turn you on to a branch of the lit you may not be aware of. Keep reading. ⬇️ (1/17)
High-fat, low-carb ketogenic diet boosted endothelial cell growth in mouse hearts, even preventing blood vessel rarefaction in heart disease models. Suggests potential for dietary interventions in treating heart diseases. (2/17) doi.org/10.15252/emmm.…
How about this next one stating that evidence suggests anti-inflammatory effects of caloric restriction/keto diets could be due to BHB-inhibited NLRP3 inflammasome. (3/17) doi.org/10.1038/nm.3804
Read 17 tweets
May 25
Considering impairment of mitochondrial function is a driver of oxidative stress (OS), it should come as no surprise that oxidative stress is part of what drives the disease process in Alzheimer's disease (AD). 🧵 (1/15)
"Indeed, considerable evidence suggests that OS occurs before the appearance of symptoms in AD and that oxidative damage is detected not only in the vulnerable brain regions but also in peripheral areas." (2/15) doi.org/10.3390/antiox…
For those new to this term, oxidative stress describes the imbalance that occurs in our bodies between harmful molecules called reactive oxygen species (ROS) and our ability to defend against them. (3/15)
Read 15 tweets
May 24
Central to Alzheimer's pathology is a phenomenon known as brain hypometabolism. Let me explain better what that term means. 🧵 (1/25) #alzheimers #AD #neurotwitter
Brain hypometabolism refers to a state of reduced metabolic activity in the brain, characterized by a decreased uptake and utilization of glucose - the primary #energy source for brain cells. (2/25)
This disastrous metabolic slowdown is not just a mere lack of energy, although that would be devastating enough. It triggers a cascade of effects that impair neuronal function and disrupts communication between #brain cells. (3/25)
Read 25 tweets
May 19
Aldose reductase (AR) is an enzyme that is part of the polyol pathway responsible for converting glucose to sorbitol, which is fine, until it isn't. Settle in for a thread to learn about the later and what it means for brain health. 🧠 (1/11)
Here is a paper discussing a drug that is an aldose reductase inhibitor, talking about how the inhibition of this pathway helps strengthen the BBB and provides neuroprotective effects. (2/11) link.springer.com/article/10.100…
Here is the thing tho. I don't think you need a drug to give you neuroprotective effects. I think just not injuring yourself with your diet can calm this pathway down and give you those same effects. (3/11)
Read 11 tweets
May 18
This man has inspired me. So you all get an extra thread today. It's time to learn why astrocytes are so cool. (1/11)
Astrocytes are part of the group of cells known as glial cells. The term "glia" comes from the Greek word for "glue," reflecting the supportive role these cells play. (2/11)
They help organize and maintain the neuronal network by guiding neurons during migration, providing a supportive structure for neuronal connections, and regulating extracellular ions and neurotransmitters. (3/11)
Read 12 tweets
May 18
Some of you are using medication to treat MCI and the cognitive decline that is a part of Alzheimer's disease and other forms of dementia. (1/11)
And while I would never presume to give you medical advice, I really think you would want to know about a recent study led by Gibson and others. (2/11)
Gibson, G. E., Luchsinger, J. A., Cirio, R., Chen, H., Franchino-Elder, J., Hirsch, J. A., ... & Fonzetti, P. (2020). (3/11) content.iospress.com/articles/journ…
Read 11 tweets

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