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HONG KONG, March 18 (Xinhua) -- After over a year's efforts, scientists from Shanghai and Hong Kong announced on Friday that they have completed the whole genomic sequencing work of Isaria cicada, a rare herb highly valued in traditional Chinese medicine, which will help facilitate its further development in medical and nutrition fields.It is the first time that the whole genomic sequence of Isaria cicada has been released, said the scientists from Shanghai Institute of Bio-Asia Life Science and the Hong Kong University of Science and Technology (HKUST), who participated in the research.The result was announced at the International Biomedical Scientists and Biotechnology Forum 2011 held in the day at the Hong Kong Science Park.According to the result, the genomic size of Isaria cicada, a medicine traditionally used to treat children's diseases, is about one eightieth of human genome, containing about 16,000 genes.The tests that had been done proved that Isaria cicada, with many high-quality genes not recognized or used by human beings yet, has been deeply involved in important life processes like metabolism, providing new ways for further development of Isaria cicad in bio-medical area, said a scientist from HKUST.The genome map will also help accelerate the artificial cultivation of Isaria cicada, enhancing its medicine and nutrition value and making it available in a larger market, according to the scientist.

BEIJING, May 4 (Xinhuanet) -- Children with autism have slightly bigger brains than children without the condition, a study suggests.The research published in the May issue of Archives of General Psychiatry noted the difference in the brain size appears related to increased rates of brain growth before age 2.The researchers from the University of North Carolina also pointed out that though the enlargement continues, the increased growth does not.In 2005, the researchers studied a group of 2-year-old children, and found out the ones with autism had brains that were 5% to 10% larger than children without it.Now the researchers assessed the same group of children at age 5, the psychiatrists re-scanned the brains of 38 children with autism and 21 without the condition. The autistic children still had slightly larger brains, but they had grown at the same rate as the comparison group.This finding could lead to a better understanding of the genes that drive autism, which, in turn, could lead to earlier identification and treatment of the disorder, said study researcher Joseph Piven, MD, according to media report.

BERLIN, May 26 (Xinhua) -- German health officials said Thursday that cucumbers imported from Spain was one source of a recent deadly E. coli outbreak in northern states that killed three people and made hundreds sick.The Hamburg Institute for Hygiene and the Environment (HU) found that four cucumbers in a local market were contaminated by Enterohaemorrhagic E. coli (EHEC), and three of them were imported from two separate Spanish suppliers, Hamburg state health authorities said.The origin of the fourth cucumber was still under investigation, officials added.German supermarkets began to pull Spanish cucumbers off shelves Thursday afternoon following the findings in Hamburg. The food- monitoring agencies in the northern states were launching investigations on vegetable markets, the federal agriculture ministry said in a statement.Figures showed that Spain is Germany's second largest supplier of cucumbers within the European Union, accounting for some 40 percent of the country's cucumber imports.Scientists said that EHEC is a virulent strain of gut bacterium that can cause severe stomach upsets, diarrhea, stroke and coma. It would lead to kidney failure in extreme cases.Germany saw a terrible E. coli outbreak two weeks ago, starting from the northern states like Hamburg and then spreading to eastern and southern regions. German health authorities said that at least three people have died from infections, and more than 200 have been diagnosed with hemolytic-uremic syndrome (HUS), which is caused by EHEC.Germany's national disease centre, the Robert Koch Institute, suggest people avoid eating raw tomatoes, cucumbers and lettuce for a while.

WASHINGTON, Jan. 20 (Xinhua) -- Officials from China and the United States on Thursday signed a new agreement to support panda breeding, research and conservation efforts by the two countries, an exciting news for numerous American fans of the cute animals.Zang Chunlin, Secretary General of the China Wildlife Conservation Association, and Dennis Kelly, Director of the U.S. Smithsonian's National Zoo, signed the Giant Panda Cooperative Research and Breeding Agreement.Under the agreement, a pair of giant pandas, Mei Xiang and Tian Tian, will remain at the National Zoo in Washington D.C. for five more years.Also in attendance at the signing ceremony at the National Zoo was Chen Naiqing, wife of China's Ambassador to the U.S. Zhang Yesui, U.S. Secretary of the Interior Ken Salazar and Mary Kaye Huntsman, wife of U.S. Ambassador to China Jon Huntsman.On behalf of the Chinese embassy and Ambassador Zhang, Chen expressed appreciation to the National Zoo for taking care of these giant pandas and to all American people for their love for them."Although the weather is cold today, the friendship between our people keeps us warm," she said. "I am confident that through joint efforts, our cooperation will grow, our friendship will deepen, and the future will be even brighter."The first two years of the new agreement, effective immediately through Dec. 5, 2015, include a cooperative study involving reproductive experts from the China Conservation and Research Center for the Giant Panda in Wolong and the Smithsonian's Conservation Biology Institute to oversee the breeding of Mei Xiang and Tian Tian."I am proud that this agreement not only ensures that visitors to the zoo will continue to be able to visit and learn about these beautiful animals, but also provides a strong platform for improving the conservation of wild pandas and their habitat in China," said Salazar.He said those giant pandas have "long symbolized the close partnership the United States has with China as we work together to conserve and recover one of the world's most endangered species in the wild."Mei Xiang and Tian Tian have lived at the Smithsonian's National Zoo since Dec. 6, 2000. Both pandas were born in Wolong, China and had parents that were wild born. Mei Xiang, which means "beautiful fragrance," will turn 13 on July 22 and Tian Tian, meaning "more and more," will turn 14 on Aug. 27.The current pair has not produced a cub since 2005, when Tai Shan, a male, was born. Tai Shan went back to China in February, 2010.

WASHINGTON, April 11 (Xinhua) -- Taking a statin before having major elective surgery reduces potentially serious kidney complications, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology.Each year, more than 230 million major elective surgeries are performed around the world. Unfortunately, many patients who undergo major operations develop kidney injury soon after surgery, often due to decreased blood flow to the kidneys and/or the effects of inflammation.Animal studies suggest that the cholesterol-lowering drugs called statins protect the kidneys from such damage, but whether a similar benefit occurs in humans is uncertain. To investigate, Amber Molnar, University of Western Ontario, and colleagues conducted a population-based retrospective study of all older patients who underwent major elective surgery in the province of Ontario, Canada from 1995 to 2008. Surgeries included cardiac, thoracic, vascular, intra-abdominal, and retroperitoneal procedures.A total of 213,347 patients from 211 hospitals underwent major elective surgery, and 4,020 patients (1.9 percent) developed postoperative kidney injury within two weeks of surgery. A total of 1,173 patients (0.5 percent) required dialysis within two weeks of surgery, and 5,974 patients (2.8 percent) died within a month of surgery.Prior to surgery, 67,941 patients (32 percent) were taking a statin. Patients taking a statin were 20 percent less likely to develop kidney injury, need dialysis, and die compared to patients who were not taking a statin. Also, there was evidence of a dose-effect, with patients on higher potency statins having less kidney injury. In addition, statins were beneficial whether they were started greater than 90 days or less than 30 days prior to surgery."Our study suggests that statin use in older persons results in less kidney injury following major elective surgery and reduces the risk of premature death after surgery," said Molnar, adding that the results warrant further investigation with more rigorous studies, but such trials will be difficult to carry out.

来源：资阳报