Stem cell therapy could be breakthrough against type 1 diabetes
An experimental stem cell therapy can essentially cure type 1 diabetes by restoring insulin production in some patients, early clinical trial results show.
12 hours ago
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An experimental stem cell therapy can essentially cure type 1 diabetes by restoring insulin production in some patients, early clinical trial results show.
12 hours ago
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Peek in medicine cabinets across the U.S. and you'll find stacks of leftover COVID tests.
12 hours ago
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In a landmark study, researchers from Children's Hospital of Philadelphia (CHOP) found that two separate objective assessment tools and nonverbal measurements of IQ can help assess cognitive function in children with Aicardi ...
13 hours ago
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Researchers from the Department of Bioengineering (BE), Indian Institute of Science (IISc), have designed a novel 3D hydrogel culture system that mimics the mammalian lung environment. It provides a powerful platform to track ...
16 hours ago
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While the overall five-year survival rate for pancreatic cancer is slowly improving, it remains discouragingly low—just 13%, according to the American Cancer Society. And the odds are even worse if the cancer is discovered ...
Jun 24, 2024
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Research has unveiled the intricate cellular landscape of healthy human hamstring tendons, shedding new light on this vital yet often overlooked component of our musculoskeletal system.
Jun 24, 2024
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Yunusa Bawa spends a lot of time talking about the vaccine for the human papillomavirus that is responsible for nearly all cases of cervical cancer. But on most days, only two or three people allow their daughters to be vaccinated ...
Jun 24, 2024
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An article published by Technion researchers in Nature presents new insights about the evolution of the immune system. The team's findings highlight the modularity and flexibility of the evolution of immunity.
Jun 21, 2024
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There are a dizzying number of tips, hacks and recommendations on how to stay healthy, from dietary supplements to what color of clothes promotes optimal wellness. Some of these tips are helpful and based on good evidence, ...
Jun 21, 2024
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Adding an anti-inflammatory drug to anti-PD1 checkpoint inhibitor immunotherapy has shown great promise as a new strategy against advanced lung cancer, based on results from a small clinical trial led by investigators at ...
Jun 21, 2024
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Immunity is a biological term that describes a state of having sufficient biological defenses to avoid infection, disease, or other unwanted biological invasion. Immunity involves both specific and non-specific components. The non-specific components act either as barriers or as eliminators of wide range of pathogens irrespective of antigenic specificity. Other components of the immune system adapt themselves to each new disease encountered and are able to generate pathogen-specific immunity.
Adaptive immunity is often sub-divided into two major types depending on how the immunity was introduced. Naturally acquired immunity occurs through contact with a disease causing agent, when the contact was not deliberate, whereas artificially acquired immunity develops only through deliberate actions such as vaccination. Both naturally and artificially acquired immunity can be further subdivided depending on whether immunity is induced in the host or passively transferred from a immune host. Passive immunity is acquired through transfer of antibodies or activated T-cells from an immune host, and is short lived, usually lasts only a few months, whereas active immunity is induced in the host itself by antigen, and lasts much longer, sometimes life-long. The diagram below summarizes these divisions of immunity.
This text uses material from Wikipedia, licensed under CC BY-SA