Navigation Links
ANTIGEN in Biological Definition

Antibody

... viruses . Each antibody recognizes a specific antigen unique to its target. Contents ... and the light chain, which together shape the antigen binding site at the amino terminal end of the ... to note that to produce such a diversity of antigen binding sites with a separate gene for each ...

Antigen

... An antigen is any molecule that is recognized by antibodies . Usually, an antigen is a protein or a polysaccharide , but it can ... amino acids in a protein). Tolerogen - An antigen that invokes a specific immune unresponsiveness ...

Apoptosis

... say, from a malignant mutation) or with foreign antigen produced as a consequence of a viral infection. ... shapes of their receptors do not engage any antigen of significance), or dangerous to their own ... and those that show high affinity to healthy self antigen are killed via apoptosis. Be aware that the ...

Immune system

... most important examples are the mechanisms of antigen presentation. After they leave the thymus, T ... T cells (CTLs). Activation is provided by antigen presenting cells (APCs). A major category of APCs ... a DC simulatenously binds to a T "helper" cell's antigen receptor and to its CD28 receptor, which ...

Monoclonal antibody

... Production If a foreign substance (an antigen ) is injected into a vertebrate such as a ... are then tested for their ability to bind to the antigen (for example with a test such as ELISA ), and ... the small variation (if any) in recognizing the antigen helps to reduce side effects. However, there are ...

Blood type

... with type A blood have red blood cells with antigen A on their surface and produce antibodies against antigen B in their blood serum. Using the blood ... type B blood have the opposite arrangement, antigen B on the cell and produce antibodies to substance ...

Affinity chromatography

... blood serum. If serum is known to contain antibodies against a specific antigen (for example if the serum comes from an organism immunised against the antigen concerned) then it can be used for the affinity purification of the ...

Cancer

... for by a digital rectal exam along with annual prostate specific antigen blood testing. Screening for cancer is controversial in cases when it ... Medicine , National Cancer Institute Fact Sheet. The Prostate-Specific antigen (PSA) Test: Questions and Answers , National Cancer Institute Fact ...

Helper T cell

... is a T cell (a type of white blood cell ) which has on its surface antigen receptors that can bind to fragments of antigens displayed by the Class ... and interleukin-13. Memory T H cells are specific to the antigen they first encountered and can be called upon during the secondary immune ...

Immunology

... Diagnostic immunology The specificity of the bond between antibody and antigen has made it an excellent tool in the detection of substances in a variety of diagnostic techniques. Antibodies specific for a desired antigen can be conjugated with a radiolabel, fluorescent label, or color-forming ...

T cell

... T cells secrete cytokines that turn off the immune response once an antigen has been eliminated from the body. Every effective immune response ... cortical epithelioreticular cells . Only those cells that recognize the antigen presented and bind the MHC molecule with the affinity high enough, ....

B cell

... antigen(s) encountered during the primary immune response; able to live for a long time, these cells can respond quickly upon second exposure to the antigen for which they are specific. Humoral immunity (the creation of antibodies that circulate in blood plasma and lymph ) involves B cell ...

Cytotoxic T cell

... A cytotoxic (or T C ) T cell is a T cell (a type of white blood cell ) which has on its surface antigen receptors that can bind to fragments of antigens displayed by the Class I MHC molecules of virus infected somatic cells and tumor cells. ...

Hepatitis B

... countries, such as China, vertical transmission is most common. Without intervention, a mother who is positive for the Hepatitis B surface antigen confers a 20% risk of passing the infection to her offspring at the time of birth. This risk is as high as 90% if the mother is also positive for ...

Major histocompatibility complex

... in the MHC region are the subset that encodes cell-surface antigen-presenting proteins. In humans, these genes are referred to as human leukocyte antigen (HLA) genes, although people often use the abbreviation MHC to refer to HLA gene products. To disambiguate the usage, some of the biomedical ...

Receptor

... neurotransmitter , hormone , or other substance. In immunology , a receptor is the region of an antibody which shows recognition of an antigen . ...

Synapse

... from the synapse by the action of the enzyme acetylcholinesterase . By analogy to true synapses described above, the interface between an antigen presenting cell and lymphocyte is sometimes called an immunological synapse . References M.F. Bear, B.W. Conners, and M.A. Paradiso. 2001. ...
Other Contents
(Date:7/25/2014)... healthcare community and remain priority areas that ... the worldwide crisis of obesity and diabetes, ... in diabetes, epidemiology and public health describe ... of diverse intervention programs in this novel ... on "Global Health Perspectives in Prediabetes and ...
(Date:7/25/2014)... is a complex congenital central nervous system disease ... the neural tubes during the embryonic phase. Many ... fecal incontinence and neurocognitive retardation. Such problems decrease ... life. Researchers at Ankara Physical Medicine and Rehabilitation ... performance in children with SB, using the Pediatric ...
(Date:7/25/2014)... Institute for Medical Research have identified the functions ... crucial to triggering the mating process in mice. , ... mouse detect pheromones that indicate when a female is ... if the female mouse is ovulating and ready to ... mating. Stowers, researchers believe mice developed this system through ...
Breaking Biology News(10 mins):What constitutes an effective response to the global 'diabesity' tsunami? 2It takes two to court 2It takes two to court 3
(Date:7/27/2014)... Bags underneath the eyes is one condition that ... are a range of new products now available from Internet ... eyes serum review that is now posted for adults to ... issues with baggy eyes and how the natural ingredients in ... guide also provides a detailed overview of the creams and ...
(Date:7/27/2014)... 27, 2014 Ticket Down is a ... Forum in Inglewood, California on November 15th. This Australian ... can expect to hear songs from this amazing album at the ... in Inglewood, California at The Forum will be released for sale ... a.m. today local time TicketDown.com. This popular secondary ticket exchange ...
(Date:7/27/2014)... University of Manchester have discovered why medication to treat asthma ... Nature Medicine , show that drugs widely used to ... , In the UK pneumonia, which is caused by an ... is more serious for babies, young children, the elderly, smokers ... than 5 million people in the UK are affected by ...
(Date:7/27/2014)... July 27, 2014 The North American ... estimated at $1570 million in 2014, and it is ... CAGR of 4.64%. The report incorporates the factors that ... expectations of growth rates and projected total expenditure. The ... the global markets. Apart from the general overview of ...
(Date:7/27/2014)... The European Agricultural Adjuvants Market report defines and segments ... of revenue. The agricultural adjuvants market in Europe is ... to $657.1 million by 2018, at a CAGR of ... TOC of the European Agricultural Adjuvants Market report, to ... also provides a glimpse of the segmentation in the ...
Breaking Medicine News(10 mins):Health News:Baggy Eyes Serum Review Posted for Men and Women at Cherry News Website 2Health News:5 Seconds of Summer Tickets at The Forum in Inglewood (Los Angeles), CA Now Available For Sale at Ticket Down 2Health News:Drugs used to treat lung disease work with the body clock 2Health News:North America Security and Surveillance Radar Market is Expected to Reach $2030 million in 2019 - New Report by MicroMarket Monitor 2Health News:North America Security and Surveillance Radar Market is Expected to Reach $2030 million in 2019 - New Report by MicroMarket Monitor 3Health News:North America Security and Surveillance Radar Market is Expected to Reach $2030 million in 2019 - New Report by MicroMarket Monitor 4Health News:North America Security and Surveillance Radar Market is Expected to Reach $2030 million in 2019 - New Report by MicroMarket Monitor 5Health News:Europe Agricultural Adjuvants Market is Expected to Reach $657.1 million in 2018 - New Report by MicroMarket Monitor 2Health News:Europe Agricultural Adjuvants Market is Expected to Reach $657.1 million in 2018 - New Report by MicroMarket Monitor 3Health News:Europe Agricultural Adjuvants Market is Expected to Reach $657.1 million in 2018 - New Report by MicroMarket Monitor 4Health News:Europe Agricultural Adjuvants Market is Expected to Reach $657.1 million in 2018 - New Report by MicroMarket Monitor 5
Other TagsOther Tags