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JIUQUAN, Gansu, Aug. 18 (Xinhua) -- China's experimental orbiter SJ-11-04, which was launched by a Long March II-C rocket Thursday, failed to enter the designated orbit due to a malfunction of the rocket.The rocket experienced malfunction during the flight following its launch from Jiuquan Satellite Launch Center at 5:28 p.m. Beijing Time in northwest Gansu Province.The specific cause of the failure is being analyzed.

SANTO DOMINGO, Aug. 19 (Xinhua) -- The number of deaths caused by cholera in the Dominican Republic have increased to 109, and there are 15,876 suspect cases, according to government figures released on Friday.Public Health Ministry said in a statement that the intensity of the outbreak has been decreasing since six weeks ago, but the region of Gran Santo Domingo, which includes the Dominican capital city, still faces a serious epidemic situation.The government is developing preventive measures which include informing the population, careful observation of diarrhea cases, providing drinkable water and building new public toilets as part of efforts to contain the outbreak, it added.The latest Cholera outbreak appeared in the Dominican Republic last November, a month after cases were reported in Haiti.The Ministry said they stepped up efforts to monitor the situation after tropical storm "Emily" passed through parts of the country two weeks ago.After the beginning of the rain season, cholera cases have increased generally and all the public hospitals in the country are provided with supplies and medical staff to care for the people with symptoms of cholera or other tropical diseases.

CANBERRA, Sept. 7 (Xinhua) -- A team of Australian and U.S. scientists on Wednesday said they discovered a genetic defect, which can lead to Leigh syndrome, a rare disorder which affects the central nervous syndrome.The scientists tested more than 1000 genes by encoding proteins active in two individuals who suffer from the illness. They used a new technique known as next-generation DNA sequencing to examine the genes.The gene they discovered encodes an enzyme which is found in the mitochondria which are subsets of cells. Without this enzyme the mitochondria do not translate proteins efficiently, and this then causes Leigh syndrome.According to David Thorburn, from the Murdoch Children's Research Institute in Melbourne, the discovery shows the enormous potential of the new technology."These findings demonstrate the ability of sequencing technologies to improve diagnosis," Professor Thorburn said in a statement released on Wednesday."Although it isn't clear in the case of Leigh syndrome whether the precise molecular diagnosis will necessarily lead to therapies, the current findings represent a meaningful service."He added that diagnosis of the disease along with its specific genetic cause can also be informative about the risk a couple has of having another affected child. The diagnostic information can help in decisions about whether and how to pursue alternative means of having children, for instance through the use of donor sperm or eggs.The research team consisted of scientists from Australia's Murdoch Institute as well as the Broad Institute in the U.S.In Leigh syndrome, infants are born apparently healthy only to develop movement and breathing disorders that worsen over time, often leading to death by the age of three. The problem is that the mitochondria responsible for powering their cells cannot keep up with the demand for energy in their developing brains.

BEIJING, June 13 (Xinhua) -- The Chinese government on Monday launched a week-long campaign throughout the country which aims to make the public think more about food safety.Vice Premier Li Keqiang relayed to the campaign's organizer that it is essential to publicize knowledge and regulations on food safety among the public.Li, member of the Politburo Standing Committee of the Communist Party of China (CPC) Central Committee, said that special operations and severe punishment should be adopted to decrease the likelihood of food safety scandals.As part of the campaign, a food safety inspection team under the National People's Congress (NPC) Standing Committee held a conclusive meeting in Beijing to review its two-month supervisory tour to Jiangsu, Hubei, Sichuan and other four provinces and regions in April and May.A statement released by the inspection team on Monday said it will issue a report on food safety problems to the NPC Standing Committee.China's food safety has become a major public concern since a nationwide tainted milk powder scandal was exposed in August 2008.China's top legislature passed the Food Safety Law in 2009 which was soon followed by a nationwide food safety inspection.In the latest food safety scandal, drinks and food sold on the mainland but produced in Taiwan have been found to contain the toxic plasticizer DEHP.China's Ministries of Public Security, Agriculture, Health, as well as the General Administration for Quality Supervision, State Food and Drug Administration are also involved in the campaign.

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).