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» PCR and disease/medicine

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image: The Cytokine Cycle

The Cytokine Cycle

By | September 1, 2011

The initiating cause of Alzheimer’s disease is still unknown. However, from our studies it’s clear that many types of neuronal damage—­­from traumatic brain injury, to epilepsy, infection, or genetic predisposition—­can activate brain immune cells—microglia and astrocytes-- promoting them to produce IL-1 and S100 inflammatory cytokines.

12 Comments

image: Black Death Pathogen Extinct?

Black Death Pathogen Extinct?

By | August 29, 2011

The Yersinia pestis strain extracted from the bones of Black Death victims may no longer exist.

6 Comments

image: Missing Mosquitoes

Missing Mosquitoes

By | August 29, 2011

Tanzanian mosquito populations are declining, and scientists don’t know why.

6 Comments

image: Religion and Disease

Religion and Disease

By | August 25, 2011

Deadly epidemics can have a profound impact on people’s choice of religion.

18 Comments

image: Haitian Cholera Source Confirmed

Haitian Cholera Source Confirmed

By | August 23, 2011

Researchers pinpoint Nepalese soldiers as the source of last year’s deadly cholera outbreak in Haiti.

6 Comments

image: Chronic Fatigue Scientists Get Death Threats

Chronic Fatigue Scientists Get Death Threats

By | August 23, 2011

Researchers who suggest psychological contributors to chronic fatigue syndrome receive death threats from activists.

75 Comments

image: Opinion: Reducing Foodborne Illness

Opinion: Reducing Foodborne Illness

By | August 22, 2011

New testing technologies and improved communication among regulatory agencies are making strides in the fight against foodborne disease.

27 Comments

image: Parasite Spurs Rat Sexual Frenzy

Parasite Spurs Rat Sexual Frenzy

By | August 19, 2011

The parasite Toxoplasma gondii furthers its transmission by making rats go wild for the scent of cat urine.

3 Comments

image: Bacteria Kamikazes

Bacteria Kamikazes

By | August 16, 2011

Researchers design a synthetic bacterium that kills the infectious microbe Pseudomonas aeruginosa, sacrificing itself in the process.

21 Comments

image: The Father of Trial Randomization Dies

The Father of Trial Randomization Dies

By | August 15, 2011

Statistician Paul Meier, who championed the random assignment of patients to treatment groups in clinical trials, changed the way the researchers test experimental drugs.

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