Many people associate the word "bacteria" with something dirty and disgusting. Dr. Pere Santamaria disagrees. Called the microbiome, the bacteria in our bodies have all kinds of positive effects on our health, Santamaria ...
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The Food and Drug Administration (FDA) has approved a breakthrough cancer therapy known as CAR-T for use in adults with advanced lymphoma. The therapy uses a patient's own white blood cells, which are modified in a lab and re-trained ...
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Seven years ago, Penn Medicine researchers showed that mutations in the TMEM106B gene significantly increased a person's risk of frontotemporal lobar degeneration (FTLD), the second most common cause of dementia in those ...
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Scientists from For-Robin Inc., a University at Buffalo biotechnology spinoff, have published new scientific results showing that the company's cancer-fighting antibody can target, penetrate and kill human tumor cells effectively.
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Scientists have identified a key gene in blood vessels which could provide a new way to assess and potentially treat liver disease.
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Protein fragments taken from grass can help protect hay fever patients from allergic reactions to pollen grains.
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Improving on a previous attempt, scientists have developed a new strategy that could potentially be used to reengineer a patient's own immune system cells to fight HIV. The approach, described in PLOS Pathogens, shows benefit ...
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A group of international cancer researchers led by investigators from Mayo Clinic and University of New South Wales Sydney has found that the level of a type of white blood cell, called tumor-infiltrating lymphocytes, present ...
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Monash University researchers have revealed the role played by an enzyme that is pivotal to the process of clearing infection in the body. Moreover, they suggest that the enzyme may be a potential target for drug development ...
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The biological causes underlying obesity have been under intense scrutiny, with studies suggesting a link between the nervous and the immune systems. Now, in a breakthrough study to be published in Nature Medicine on 9 October, ...
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White blood cells (WBCs), or leukocytes (also spelled "leucocytes"), are cells of the immune system defending the body against both infectious disease and foreign materials. Five different and diverse types of leukocytes exist, but they are all produced and derived from a multipotent cell in the bone marrow known as a hematopoietic stem cell. Leukocytes are found throughout the body, including the blood and lymphatic system.
The number of leukocytes in the blood is often an indicator of disease. There are normally between 4×109 and 1.1×1010 white blood cells in a litre of blood, making up approximately 1% of blood in a healthy adult. An increase in the number of leukocytes over the upper limits is called leukocytosis, and in leukopenia, this number is much lower than the lower limit. The physical properties of leukocytes, such as volume, conductivity, and granularity, may change due to activation, the presence of immature cells, or the presence of malignant leukocytes in leukemia.
This text uses material from Wikipedia, licensed under CC BY-SA
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