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Archive for the ‘Immune System’ Category

Overview of the Immune System – The Merck Manuals

Monday, March 18th, 2024

The immune system has many components:

Antigens Innate Immunity are any substance that the immune system can recognize and that can thus stimulate an immune response.

Cells are the smallest unit of a living organism, composed of a nucleus and cytoplasm surrounded by a membrane.

Chemotaxis is the process of by which a chemical substance attracts cells to a particular site.

Helper T cells are white blood cells that help B cells produce antibodies against foreign antigens, help killer T cells become active, and stimulate macrophages, enabling them to ingest infected or abnormal cells more efficiently.

Histocompatibility (literally, compatibility of tissue) is determined by human leukocyte antigens (self-identification molecules). Histocompatibility is used to determine whether a transplanted tissue or organ will be accepted by the recipient.

Human leukocyte antigens (HLA) are a group of identification molecules located on the surface of all cells in a combination that is almost unique for each person, thereby enabling the body to distinguish self from nonself. This group of identification molecules is also called the major histocompatibility complex.

An immune complex is an antibody attached to an antigen.

An immune response is the reaction of the immune system to an antigen.

Immunoglobulin is another name for antibody.

Interleukin is a type of messenger (cytokine) secreted by some white blood cells to affect other white blood cells.

Killer (cytotoxic) T cells are T cells that attach to infected cells and cancer cells and kill them.

Leukocyte is another name for a white blood cell, such as a monocyte, a neutrophil, an eosinophil, a basophil, or a lymphocyte (a B cell or T cell).

Major histocompatibility complex (MHC) is a synonym for human leukocyte antigens.

Mast cells are cells in tissues that release histamine and other substances involved in inflammatory and allergic reactions.

A molecule is a group of atoms chemically combined to form a unique substance.

Natural killer cells are a type of white blood cell that can recognize and kill abnormal cells, such as certain infected cells and cancer cells, without having to first learn that the cells are abnormal.

Phagocytes are a type of cell that ingests and kills or destroys invading microorganisms, other cells, and cell fragments. Phagocytes include neutrophils and macrophages.

Phagocytosis is the process of a cell engulfing and ingesting an invading microorganism, another cell, or a cell fragment.

A receptor is a molecule on a cells surface or inside the cell that can identify specific molecules, which fit precisely in itas a key fits in its lock.

Regulatory (suppressor) T cells are white blood cells that help end an immune response.

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Overview of the Immune System - The Merck Manuals

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SUNDAY Unraveling The Gut-Brain Connection: How Infant Gut Bacteria Shape Immune Resilience | TheHealthSit – TheHealthSite

Monday, March 18th, 2024

SUNDAY Unraveling The Gut-Brain Connection: How Infant Gut Bacteria Shape Immune Resilience | TheHealthSit  TheHealthSite

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SUNDAY Unraveling The Gut-Brain Connection: How Infant Gut Bacteria Shape Immune Resilience | TheHealthSit - TheHealthSite

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Making drugs from T cells: The quantitative pharmacology of engineered T cell therapeutics | npj Systems Biology and … – Nature.com

Monday, March 18th, 2024

Making drugs from T cells: The quantitative pharmacology of engineered T cell therapeutics | npj Systems Biology and ...  Nature.com

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Making drugs from T cells: The quantitative pharmacology of engineered T cell therapeutics | npj Systems Biology and ... - Nature.com

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Study unlocks the mystery of neonatal neutropenia in newborns – News-Medical.Net

Monday, March 18th, 2024

Study unlocks the mystery of neonatal neutropenia in newborns  News-Medical.Net

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Study unlocks the mystery of neonatal neutropenia in newborns - News-Medical.Net

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Vertebral Subluxation and Systems Biology: An Integrative Review Exploring the Salutogenic Influence of Chiropractic … – Cureus

Monday, March 18th, 2024

Vertebral Subluxation and Systems Biology: An Integrative Review Exploring the Salutogenic Influence of Chiropractic ...  Cureus

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Vertebral Subluxation and Systems Biology: An Integrative Review Exploring the Salutogenic Influence of Chiropractic ... - Cureus

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A new strategy to attack aggressive brain cancer shrank tumors in two early tests – ABC News

Monday, March 18th, 2024

A new strategy to attack aggressive brain cancer shrank tumors in two early tests  ABC News

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A new strategy to attack aggressive brain cancer shrank tumors in two early tests - ABC News

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Turning on the Bat Signal – The Scientist

Monday, March 18th, 2024

Turning on the Bat Signal  The Scientist

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Turning on the Bat Signal - The Scientist

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Power Foods That Can Support Your Immune System – Videos from The Weather Channel – The Weather Channel

Monday, March 18th, 2024

Power Foods That Can Support Your Immune System - Videos from The Weather Channel  The Weather Channel

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Power Foods That Can Support Your Immune System - Videos from The Weather Channel - The Weather Channel

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Report: Aggressive brain tumors respond to new, immune-focused therapy – UPI News

Monday, March 18th, 2024

Report: Aggressive brain tumors respond to new, immune-focused therapy  UPI News

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Report: Aggressive brain tumors respond to new, immune-focused therapy - UPI News

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Designer immune-cell therapy could shrink deadly brain tumors, early trials show – Livescience.com

Monday, March 18th, 2024

Designer immune-cell therapy could shrink deadly brain tumors, early trials show  Livescience.com

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Designer immune-cell therapy could shrink deadly brain tumors, early trials show - Livescience.com

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20.2: Introduction to the Immune System – Biology LibreTexts

Tuesday, February 27th, 2024

The immune system is a host defense system. It comprises many biological structures ranging from individual white blood cells to entire organs as well as many complex biological processes. The function of the immune system is to protect the host from pathogens and other causes of disease such as tumor cells.

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20.2: Introduction to the Immune System - Biology LibreTexts

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Can one shot of yoghurt really boost your immunity and gut health? – Daily Mail

Tuesday, February 27th, 2024

Can one shot of yoghurt really boost your immunity and gut health?  Daily Mail

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Can one shot of yoghurt really boost your immunity and gut health? - Daily Mail

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New cancer therapy approved by FDA supercharges bodys immune system – The Washington Post

Tuesday, February 27th, 2024

New cancer therapy approved by FDA supercharges bodys immune system  The Washington Post

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New cancer therapy approved by FDA supercharges bodys immune system - The Washington Post

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How bubonic plague rewired the human immune system – BBC.com

Tuesday, February 27th, 2024

How bubonic plague rewired the human immune system  BBC.com

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How bubonic plague rewired the human immune system - BBC.com

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Innovative therapy targets and destroys leukemia stem cells – News-Medical.Net

Tuesday, February 27th, 2024

Innovative therapy targets and destroys leukemia stem cells  News-Medical.Net

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Innovative therapy targets and destroys leukemia stem cells - News-Medical.Net

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Participate in Our Study for $100; Open Slots This Week – University of Arkansas Newswire

Tuesday, February 27th, 2024

Participate in Our Study for $100; Open Slots This Week  University of Arkansas Newswire

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Participate in Our Study for $100; Open Slots This Week - University of Arkansas Newswire

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Sexual dimorphism during integrative endocrine and immune responses to ionizing radiation in mice | Scientific Reports – Nature.com

Tuesday, February 27th, 2024

Sexual dimorphism during integrative endocrine and immune responses to ionizing radiation in mice | Scientific Reports  Nature.com

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Sexual dimorphism during integrative endocrine and immune responses to ionizing radiation in mice | Scientific Reports - Nature.com

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Comprehensive pan-cancer analysis identifies the RNA-binding protein LRPPRC as a novel prognostic and immune … – ScienceDirect.com

Tuesday, February 27th, 2024

Comprehensive pan-cancer analysis identifies the RNA-binding protein LRPPRC as a novel prognostic and immune ...  ScienceDirect.com

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Comprehensive pan-cancer analysis identifies the RNA-binding protein LRPPRC as a novel prognostic and immune ... - ScienceDirect.com

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YOUR HEALTH: The HAMR fights cancer – WAFB

Tuesday, February 27th, 2024

YOUR HEALTH: The HAMR fights cancer  WAFB

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YOUR HEALTH: The HAMR fights cancer - WAFB

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Cycles of a diet that mimics fasting can reduce signs of immune system aging, as well as insulin resistance and liver fat – News-Medical.Net

Tuesday, February 27th, 2024

Cycles of a diet that mimics fasting can reduce signs of immune system aging, as well as insulin resistance and liver fat  News-Medical.Net

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Cycles of a diet that mimics fasting can reduce signs of immune system aging, as well as insulin resistance and liver fat - News-Medical.Net

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