Tag: "parasites" at medical news
Stanford snake venom study shows that certain cells may eliminate poison
...ponse to various triggers, often intruders such as parasites
or bacteria. In people who have been sensitized (i.e., made allergic) by prior exposure to substances such as peanuts or certain pollens, mast cells also respond to those stimuli. When mast cells overreact to allergens, they contribute to the effects...
New findings could lead to vaccine for severe malaria
...me of by far the most virulent of the four malaria parasites
that infect man. It is particularly dangerous in t...nalysed placentas on site in Uganda. "Most of the parasites
we studied could bind to three different receptors in the placenta," she says. "This would mean that...
Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses
...This finding does not mean that there are actually parasites
in the nose causing sinusitis, but our study does ...se of a misplaced immune response directed against parasites
that are not really there," says study lead author Andrew Lane, M.D., an associate professor at The ...
Blood transfusion-transmitted infections: A global perspective
...effective in destroying most bacteria, viruses and parasites
in donated blood, but ineffective against the pathogens that cause neurodegenerative diseases and those viruses that are present in exceedingly high concentrations in blood. Newer technologies can also have a downside, notes Blajchman. They tend...
Could the ability to expel worms lead to a future asthma treatment?
...e system divide, because mouse and human roundworm parasites
are relatives, and because roundworm infection rem... the future. Having been exposed to bacteria and parasites
since early in evolution, tissues lining the gut and lungs of mice and humans have developed ways to...
Loperamide therapy for acute diarrhea in children
...arriages than other women. They have fewer malaria parasites
in their blood and their babies are less likely to be of low birth weight. Citation: Gamble C, Ekwaru PJ, Garner P, ter Kuile FO (2007) Insecticide-treated nets for the prevention of malaria in pregnancy: A systematic review of randomised controlle...
Arsenic in chicken feed may pose health risks to humans, C&EN reports
...d in chicken feed, is used to promote growth, kill parasites
and improve pigmentation of chicken meat. In its original form, roxarsone is relatively benign. But under certain anaerobic conditions, within live chickens and on farm land, the compound is converted into more toxic forms of inorganic arsenic. Arsen...
Malaria-infected mice cured by 1 dose of new drug
...oxygen-oxygen unit in the peroxides causes malaria parasites
essentially to self-destruct. The parasites
digest hemoglobin, the oxygen-carrying pigment of red blood cells, and, in the process, release a su...
Antifolate therapies found effective against certain type of malaria
...of choice, all three therapies effectively cleared parasites
by day 14 and were well tolerated. "These drugs may be appropriate for unified treatment where species-specific diagnosis is unavailable, most likely in combination with other drugs."...
Certain combination therapy found more effective for treating malaria in African children
...res caused by recrudescent (becoming active again) parasites
were considered, the risks of failure were 14.1 percent, 4.6 percent, and 1.0 percent for the same order of study drugs, respectively. There were no deaths or cases of severe malaria. Significant reductions in anemia and asymptomatic parasitemia (par...
Syphilis screening, lithium fights neurodegeneration, monoclonal antibodies against avian flu
...agocytic clearance of pregnancy-associated malaria parasites
Based on a comparison of HIV-negative or HIV-infected primigravid and multigravid women, Kevin Kain and colleagues suggest that opsonic phagocytosis might protect against pregnancy-associated malaria, and that HIV infection might impair this paras...
HIV and malaria combine to adversely affect pregnant women and their infants
... occurs when red blood cells infected with malaria parasites
gather in the placenta resulting in damage to both...body that allows women to preferentially clear the parasites
in their placentas. They found that HIV-infected women lose these antibodies and again become suscep...