PHILADELPHIA — A year ago, when chemotherapy stopped working against his leukemia, William Ludwig signed up to be the first patient treated in a bold experiment at the University of Pennsylvania. Mr. Ludwig, then 65, a retired corrections officer from Bridgeton, N.J., felt his life draining away and thought he had nothing to lose.
Doctors removed a billion of his T-cells — a type of white blood cell that fights viruses and tumors — and gave them new genes that would program the cells to attack his cancer. Then the altered cells were dripped back into Mr. Ludwig’s veins.
At first, nothing happened. But after 10 days, hell broke loose in his hospital room. He began shaking with chills. His temperature shot up. His blood pressure shot down. He became so ill that doctors moved him into intensive care and warned that he might die. His family gathered at the hospital, fearing the worst.
A few weeks later, the fevers were gone. And so was the leukemia.
Absolutely amazing. I am in near tears at the possibility of this treatment being successful in the future and across all types of cancer. Holy shit.
Saudi King Abdullah announced Sunday that the nation’s women will gain the right to vote and run as candidates in local elections to be held in 2015 in a major advancement for the rights of women in the deeply conservative Muslim kingdom.
In an annual speech before his advisory assembly, or Shura Council, the Saudi monarch said he ordered the step after consulting with the nation’s top religious clerics, whose advice carries great weight in the kingdom.
"We refuse to marginalize the role of women in Saudi society and in every aspect, within the rules of Sharia," Abdullah said, referring to the Islamic law that governs many aspects of life in the kingdom.
Online gamers have achieved a feat beyond the realm of Second Life or Dungeons and Dragons: they have deciphered the structure of an enzyme of an AIDS-like virus that had thwarted scientists for a decade.
The exploit is published on Sunday in the journal Nature Structural & Molecular Biology, where — exceptionally in scientific publishing — both gamers and researchers are honoured as co-authors.
Their target was a monomeric protease enzyme, a cutting agent in the complex molecular tailoring of retroviruses, a family that includes HIV.
Figuring out the structure of proteins is vital for understanding the causes of many diseases and developing drugs to block them.
But a microscope gives only a flat image of what to the outsider looks like a plate of one-dimensional scrunched-up spaghetti. Pharmacologists, though, need a 3-D picture that “unfolds” the molecule and rotates it in order to reveal potential targets for drugs.
This is where Foldit comes in.
Developed in 2008 by the University of Washington, it is a fun-for-purpose video game in which gamers, divided into competing groups, compete to unfold chains of amino acids — the building blocks of proteins — using a set of online tools.
To the astonishment of the scientists, the gamers produced an accurate model of the enzyme in just three weeks.
Cracking the enzyme “provides new insights for the design of antiretroviral drugs,” says the study, referring to the lifeline medication against the human immunodeficiency virus (HIV).
It is believed to be the first time that gamers have resolved a long-standing scientific problem.
"We wanted to see if human intuition could succeed where automated methods had failed," Firas Khatib of the university’s biochemistry lab said in a press release.
"The ingenuity of game players is a formidable force that, if properly directed, can be used to solve a wide range of scientific problems."
One of Foldit’s creators, Seth Cooper, explained why gamers had succeeded where computers had failed.
"People have spatial reasoning skills, something computers are not yet good at," he said.
"Games provide a framework for bringing together the strengths of computers and humans. The results in this week’s paper show that gaming, science and computation can be combined to make advances that were not possible before."