Hubris-
Clandestine
- Joined
- Mar 28, 2026
- Posts
- 28
- Reputation
- 34
Right now, the main way to change the shape of a nose is through Rhinoplasty. This works by physically cutting and reshaping cartilage and bone. It’s effective, but it’s also invasive and requires recovery time.
────────────────────
To understand this idea, you have to look at how cartilage actually works. The shape of your nose mostly comes from cartilage, and that cartilage is controlled by special cells called Chondrocytes. These cells build and maintain cartilage. They decide whether it stays the same, grows, or breaks down.
────────────────────
Cartilage isn’t solid like a rock. It’s like a flexible framework made of proteins and support material. This “framework” is constantly being adjusted by the body. Some of the main tools for this are enzymes like Matrix metalloproteinases and ADAMTS.
────────────────────
MMPs are a group of enzymes that mainly break down collagen, which is one of the strongest structural parts of cartilage. You can think of collagen like “steel beams” holding the structure together and When MMPs are active, they weaken that structure by cutting through those fibers.
────────────────────
ADAMTS enzymes focus more on breaking down proteoglycans, especially a key one called aggrecan. Proteoglycans help cartilage hold water and stay firm but flexible. So while MMPs weaken the structure, ADAMTS enzymes reduce the cartilage’s ability to stay thick and cushioned. Together, these two enzyme groups can significantly change the shape and strength of cartilage.
────────────────────
But these enzymes do not just turn on by themselves. They are controlled by signals in the body. Two of the most important signals are Interleukin-1 beta (IL-1β) and Tumor necrosis factor alpha (TNF-α).
────────────────────
IL-1β tells chondrocytes to increase production of MMPs and ADAMTS and decrease production of new cartilage. The overall effect is more breakdown and less rebuilding.
TNF-α does something very similar. It promotes inflammation, encourages cartilage degradation, and suppresses repair.
────────────────────
It is important to note that this process usually leads to gradual cartilage degradation, not immediate destruction. Overactivity of IL-1β and TNF-α increases MMP and ADAMTS activity, which slowly breaks down the cartilage structure over time. This is different from necrosis, which is sudden cell death. Instead, cartilage is typically weakened and worn down progressively.
────────────────────
Where These Signals Come From and How They’re Controlled
These signals are part of the body’s natural respons to injury, stress, or irritation. When tissue is disturbed, immune cells release IL-1β and TNF-α as a kind of alarm system.
────────────────────
Once they are released, they tell nearby cells, including chondrocytes, to change behavior. One of their main effects is activating enzymes like MMPs and ADAMTS.
───────────────────
Basically:
Injury or stress → cytokines (IL-1β, TNF-α) → enzymes (MMPs, ADAMTS) → tissue breakdown and remodeling
────────────────────
When IL-1β and TNF-α are too active, they can cause too much breakdown, especially in cartilage.
────────────────────
For example, slight activity in a very specific area could lead to cartilage breakdown, and controlled healing afterward could change how that area reforms.
────────────────────
TLDR:
The body already has natural systems, like Interleukin-1 beta, Tumor necrosis factor alpha, Matrix metalloproteinases, and ADAMTS, that can break down and remodel cartilage. These pathways are naturally triggered by mechanical stress, micro-injury, or inflammation, leading to gradual cartilage degradation over time.
────────────────────
To understand this idea, you have to look at how cartilage actually works. The shape of your nose mostly comes from cartilage, and that cartilage is controlled by special cells called Chondrocytes. These cells build and maintain cartilage. They decide whether it stays the same, grows, or breaks down.
────────────────────
Cartilage isn’t solid like a rock. It’s like a flexible framework made of proteins and support material. This “framework” is constantly being adjusted by the body. Some of the main tools for this are enzymes like Matrix metalloproteinases and ADAMTS.
────────────────────
MMPs are a group of enzymes that mainly break down collagen, which is one of the strongest structural parts of cartilage. You can think of collagen like “steel beams” holding the structure together and When MMPs are active, they weaken that structure by cutting through those fibers.
────────────────────
ADAMTS enzymes focus more on breaking down proteoglycans, especially a key one called aggrecan. Proteoglycans help cartilage hold water and stay firm but flexible. So while MMPs weaken the structure, ADAMTS enzymes reduce the cartilage’s ability to stay thick and cushioned. Together, these two enzyme groups can significantly change the shape and strength of cartilage.
────────────────────
But these enzymes do not just turn on by themselves. They are controlled by signals in the body. Two of the most important signals are Interleukin-1 beta (IL-1β) and Tumor necrosis factor alpha (TNF-α).
────────────────────
IL-1β tells chondrocytes to increase production of MMPs and ADAMTS and decrease production of new cartilage. The overall effect is more breakdown and less rebuilding.
TNF-α does something very similar. It promotes inflammation, encourages cartilage degradation, and suppresses repair.
────────────────────
It is important to note that this process usually leads to gradual cartilage degradation, not immediate destruction. Overactivity of IL-1β and TNF-α increases MMP and ADAMTS activity, which slowly breaks down the cartilage structure over time. This is different from necrosis, which is sudden cell death. Instead, cartilage is typically weakened and worn down progressively.
────────────────────
Where These Signals Come From and How They’re Controlled
These signals are part of the body’s natural respons to injury, stress, or irritation. When tissue is disturbed, immune cells release IL-1β and TNF-α as a kind of alarm system.
────────────────────
Once they are released, they tell nearby cells, including chondrocytes, to change behavior. One of their main effects is activating enzymes like MMPs and ADAMTS.
───────────────────
Basically:
Injury or stress → cytokines (IL-1β, TNF-α) → enzymes (MMPs, ADAMTS) → tissue breakdown and remodeling
────────────────────
When IL-1β and TNF-α are too active, they can cause too much breakdown, especially in cartilage.
────────────────────
For example, slight activity in a very specific area could lead to cartilage breakdown, and controlled healing afterward could change how that area reforms.
────────────────────
TLDR:
The body already has natural systems, like Interleukin-1 beta, Tumor necrosis factor alpha, Matrix metalloproteinases, and ADAMTS, that can break down and remodel cartilage. These pathways are naturally triggered by mechanical stress, micro-injury, or inflammation, leading to gradual cartilage degradation over time.
