"Autocrine" Pronounce,Meaning And Examples
"Autocrine" Natural Recordings by Native Speakers
"Autocrine" Meaning
Autocrine refers to a type of cell signaling where a cell produces a chemical signal that acts on the same cell, rather than on nearby cells. In other words, the signal molecule secreted by the cell binds to its receptors on the cell's own surface or in its vicinity, leading to a self-regulatory response within the cell. This process plays a role in various cellular processes such as growth, differentiation, and survival.
"Autocrine" Examples
1. In biology: Autocrine signaling refers to a process where a cell secretes a chemical messenger, such as a hormone or growth factor, that acts on the same cell, influencing its own behavior. For example, some cancer cells use autocrine loops to stimulate their own growth.
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- Autocrine signaling plays a crucial role in the regulation of immune cell activation, where a cell releases cytokines to modulate its own response.
2. In medicine: In the context of inflammation, autocrine signaling can be observed when a cell produces prostaglandins, which then bind to its own receptors to amplify the inflammatory response.
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- The tumor necrosis factor-alpha (TNF-α) is an example of a molecule involved in autocrine signaling, as it can stimulate the production of more TNF-α by the same cell, promoting inflammation.
3. In developmental biology: During embryonic development, autocrine signaling pathways help coordinate the differentiation and patterning of cells.
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- Sonic Hedgehog (Shh), a protein involved in development, can act in an autocrine manner to guide the proper formation of tissues and organs.
4. In virology: Some viruses exploit autocrine mechanisms to manipulate host cells for their replication and spread.
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- Human Immunodeficiency Virus (HIV) can induce autocrine production of chemokines, which attracts more target cells to the site of infection, facilitating viral spread.
5. In signal transduction research: Scientists study autocrine loops to understand how cells communicate with themselves and develop potential therapeutic targets.
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- In cancer research, inhibiting autocrine growth factor loops has emerged as a strategy to prevent uncontrolled cell proliferation in tumors.
"Autocrine" Similar Words
Autocorrelation
Autocorrelation, also known as serial correlation or self-correlation, refers to the degree of correlation or dependence between values of a same variable at different points in time or at different positions in a dataset. It measures how similar a value is to its previous or future values within a sequence. Autocorrelation is often used in statistical analysis to assess the presence of patterns or trends and to identify the structure of time series data. High autocorrelation indicates that there is a significant relationship between a variable's current state and its past states, while low autocorrelation suggests randomness or independence between the values.
Autocracies
Autocracies are forms of government where a single person, often referred to as an autocrat, holds absolute power and makes decisions without significant constraints from other branches of government or the will of the people. These regimes can be authoritarian or totalitarian, and they often lack democratic processes and individual freedoms.
Autocracy
Autocracy refers to a form of government where a single person, often called an autocrat, holds absolute power and control over the state and its people. In an autocracy, the ruler's authority is not constitutionally limited, and they typically make decisions without significant input or checks from other branches of government or the population. This can lead to centralized decision-making, suppression of dissent, and limited individual freedoms.
Autocrat
An autocrat is a ruler who has absolute power and control over a country or organization, often exercising this power without limitations or checks from others. They may make decisions single-handedly and not be accountable to a democratic process or the will of the people they govern.
Autocratic
Autocratic refers to a system of governance or leadership where a single person holds absolute power and control, often with little or no regard for the opinions or rights of others. In an autocratic regime, the ruler makes decisions unilaterally, and the decision-making process is centralized and not participatory. This style of leadership can be characterized by strict obedience, lack of political freedom, and limited individual liberties.
Autocratically
Autocratically refers to a way of ruling or governing where a single person holds absolute power and makes decisions without consulting others or considering their opinions. It is characterized by centralized authority, often associated with dictatorships or absolute monarchies, where the ruler exercises control and enforces their will with little or no constraints.
Autocratrix
"Autocratrix" is a term used to refer to a female autocrat, which means a ruler who holds absolute power and authority over a country or organization. She has不受限制的权力，并通常决定政策和治理方式 without sharing it with others or being accountable to a higher authority.
Autocrats
Autocrats are rulers who hold absolute power and authority over a country or organization, often exercising their power without limitations or checks from others. They may be dictators, monarchs, or other types of leaders who concentrate decision-making in their hands and do not tolerate opposition or dissent.
Autocrines
Autocue
Autocystoplasty
Autodetection
Autodidact
Autodidactic
Autodidactically
Autodidacticism