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BUDAPEST, June 25 (Xinhua) -- Visiting Chinese Premier Wen Jiabao made a five-point proposal here Saturday to enhance China's cooperation with countries in Central and Eastern Europe.When delivering a speech at the China-Central and East European Countries Economic and Trade Forum, Wen said China cherished its longstanding and deep friendship with the countries in the region."Over the past several decades, although the international situation and the domestic situations of both sides have undergone big changes, we have always enjoyed mutual respect, mutual trust, mutual understanding and mutual support," Wen said. Chinese Premier Wen Jiabao addresses the China-Central and Eastern European Countries Economic and Trade Forum in Budapest, Hungary, June 25, 2011.He said cooperation in various fields between the two sides had made tremendous progress, referring to the rapid growth of two-way trade, the burgeoning of mutual investment, the expansion of cooperation areas and the improvement of cooperation mechanisms.China encouraged its companies to "go global" and saw Central and Eastern Europe as a strategic priority, the Chinese leader said, adding that his current visit was "both a journey of friendship and a journey of cooperation."

LOS ANGELES, July 18 (Xinhua) -- At least 70 genetic mutations may be involved in the formation of colon cancer, far more than scientists previously thought, a new study suggests.The study by researchers at University of Texas (UT) Southwestern Medical Center contradicts previous thinking that only a few mutated genes may play a role in the development of colon cancer."The ways we've been treating patients up to now is to just go after one target when we should be going after three to four different pathways simultaneously," said Dr. Jerry W. Shay, vice chairman and professor of cell biology at UT Southwestern.The new study identified 65 candidate genes and at least five passenger genes whose mutations play significant roles in cancer development. Inactivating the function of any of these tumor- suppressing genes led to a key step in cancer development called anchorage-independent growth, meaning cells piled up on top of each other rather than aligning neatly.According to previous studies, there were 151 candidate genes and that mutations in just eight to 15 of them would lead to cancer. There were 700 other genes classified as passenger genes whose mutations were incidental to cancer growth.Current cancer treatments target just one or two known cancer- driver genes. While patients may get transient tumor burden reduction, almost universally tumor growth returns."Those numbers are dead wrong," Dr. Shay said, suggesting a new approach to colon cancer treatments targeting multiple genes and pathways simultaneously.The next step is further research to classify more accurately which genes drive cancer and which are merely passengers, the researchers said.Study findings were published in the July 2011 Cancer Research (Priority Reports).

WARSAW, June 2 (Xinhua) -- A possible second E. coli infection patient has been hospitalized in Szczecin, northwestern Poland, Health Minister Ewa Kopacz said Thursday.The man, who recently returned to Poland from Germany, has been diagnosed with exudative diarrhea and is currently being tested for E. coli bacteria.Poland's first E. coli case, a 29-year-old woman permanently residing in Germany and diagnosed with the bacteria over a week ago, is currently in the same hospital.Kopacz said sanitary teams were running E. coli checks countrywide, especially on marketplaces and in warehouses.The E. coli epidemic originated in Germany, where it has taken 17 lives. One death has so far occurred in Sweden, bringing the total death toll to 18.

WASHINGTON, Aug. 16 (Xinhua) -- The White House announced Tuesday that the U.S. Departments of Agriculture, Energy and Navy will invest up to 510 million U.S. dollars in partnership with the private sector to facilitate the country's biofuel industry development."Biofuels are an important part of reducing America's dependence on foreign oil and creating jobs here at home," U.S. President Barack Obama said in a White House statement.The initiative is a response to a directive from Obama issued in March as part of the Blueprint for A Secure Energy Future, the administration's framework for reducing dependence on foreign oil."But supporting biofuels cannot be the role of government alone. That's why we're partnering with the private sector to speed development of next-generation biofuels that will help us continue to take steps towards energy independence and strengthen communities across our country," Obama added.The joint plan calls for the three departments to invest up to 510 million dollars in the next three years, which will require substantial cost share from private industry, in a bid to reduce U. S. reliance on foreign oil and create jobs at home."By building a national biofuels industry, we are creating construction jobs, refinery jobs and economic opportunity in rural communities throughout the country," said U.S. Agriculture Secretary Tom Vilsack.White House figures revealed that the world's largest economy spends more than 300 billion dollars on imported crude oil every year.With a slackening economic recovery and the government's approval rate at a record low level, the Obama administration is rolling out a string of measures in recent days to accelerate economic growth and job creation.

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday.An international team of researchers found that a sugar chain known as the sialyl-lewis-x sequence (SLeX) makes the outer coat of the egg “sticky,” which has proven to be helpful in binding the egg and the sperm.As a result, this observation has filled in a huge gap in the understanding of fertility and provides hope for ultimately helping couples who currently cannot conceive.Scientists and doctors know that a sperm identifies an egg when proteins on the head of the sperm match and bind to a series of specific sugars in the egg’s outer coating. With a successful match of proteins, the outside surfaces of the sperm and egg then bind together before merging, which is then followed by delivery of sperm’s DNA into egg.To identify this molecules, the researchers used ultra-sensitive mass-spectrometric imaging technology to observe and identify which molecules are most likely to be key in the binding process.They experimented with a range of synthesised sugars in the laboratory and found that it is SLeX that specifically binds sperm to an egg.According to the World Health Organisation, infertility affects about 15 percent of reproductive-aged couples around the world and almost one in every seven couples in Britain has problems conceiving a child for various reasons.