济南男人下身湿热潮湿的症状(济南男科医院哪个好点) (今日更新中)

LOS ANGELES, May 15 (Xinhua) -- Using a simple, minimally- invasive technique to analyze cells from the interior of the nose, U.S. researchers have detected lung cancer in its earliest stage.For the study, the researchers at the Boston University Medical Center collected nasal epithelial cells from thirty three smokers who were undergoing medically-indicated bronchoscopies for suspicion of lung cancer, according to the American Association for the Advancement of Science (AAAS) on Sunday.Of these patients, 11 were found to have benign disease and 22 had lung cancer. Brushings were taken from the right or left nostril and profiled on microarrays, a process that allows researchers to study gene expression changes.The researchers identified 170 genes that were differentially expressed between patients with and without lung cancer. They also found that genes linked to colon cancer and adenocarcinoma, as well as genes that trigger cell division and blood vessel growth, were expressed more heavily in patients with cancer. Genes involved in tumor suppression were also expressed at lower levels in these patients.Earlier studies have used gene expression differences in the bronchial airways to identify lung cancer in its early stages. The researchers relied on those results to design the current study."In this study we used the same principle as we used in our earlier studies of bronchial tissue, only this time, those methods were used to study nasal cells," said study author Christina Anderlind, MD, Instructor of Medicine. "Our hypothesis was that the upper airway epithelium of smokers with lung cancer displays a cancer-specific gene expression pattern, and that this airway nasal gene expression signature reflects the changes that occur in lung tissue."

BEIJING, Feb. 7 (Xinhua) -- China on Monday called for calmness and restraint from both Cambodia and Thailand to prevent the escalation of border conflicts between the two southeast Asian countries."Both Cambodia and Thailand are China's friendly neighbors. China hopes that the two nations exercise calmness and restraint, resolve disputes through consultation, and prevent the situation from escalation," Foreign Ministry spokesman Hong Lei said.The latest fighting between Cambodian and Thai troops in their age-old territorial dispute erupted at the border region Friday afternoon and entered the fourth consecutive day Monday.

BEIJING, Jan. 27 (Xinhua) -- A senior Chinese official has called on the country's religious figures to make more contributions to economic and social development by innovating and improving social services.Jia Qinglin, a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, made the remark at a meeting Thursday while offering lunar New Year's greetings to religious circles on behalf of the CPC Central Committee.Jia Qinglin (front, R), chairman of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), and a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, shakes hands with one of the leaders of the religious groups during an informal discussion sponsored by CPPCC in Beijing, capital of China, Jan. 27, 2011, to celebrate the upcoming Spring Festival.Jia said Chinese citizens' freedom in religious belief was fully protected, and the religious circles had provided excellent services for people from around the world during the Shanghai World Expo and Guangzhou Asian Games last year.The official asked the religious circles to pay more attention to helping grassroots religious groups and believers and improving their management.

NANJING, April 23 (Xinhua) -- At a time when almost every commodity in China is getting more expensive, the dwindling cost of medicine is a rarity.Zhang Jinkui, a hypertension patient, buys medicines from the community health center of his neighborhood in Changzhou, a city in east China's coastal Jiangsu Province.His prescription list includes Aspirin Enteric-coated tablets, down to 1.4 yuan from 4.7 yuan (0.7 U.S. dollars) per unit, and Fosinopril Sodium Tablets, down to 41.39 yuan from 51.6 yuan per unit.Both drugs are found on the essential drug list unveiled in 2009. The list names the 307 most common western and traditional Chinese medicines, which are heavily subsidized so hospitals can sell them at cost price.A consumer buys medicines with the help of a retailer at a pharmacy in Lianyungang, east China's Jiangsu Province, March 28, 2011.All essential medicines are listed by their generic names, and drug producers compete to supply essential medicines through public procurement.Due to a long history of low government funding for state-run hospitals, which often covers only 10 percent of the hospitals' operating costs, doctors have generated income for hospitals by aggressively prescribing expensive, and sometimes unnecessary, medicines and treatments.The essential medicine system and the reform of publicly funded hospitals, two pillars of China's health reform, are designed to address high medical costs and low accessibility of medical services.In April 2009, China kicked off health reforms aimed at correcting these long-standing problems facing China's health system and easing public grievances.Two years later, the essential medicine system has reduced drug prices, but still fails to please hospitals, patients and drug producers.The system requires government-funded grassroots health clinics, including urban community health centers and rural clinics, to prescribe only essential medicines and to sell these medicines at cost price, rather than with the previous 15 percent mark-up.Such policies have brought hard times to grassroots health clinics, especially in cash-strapped areas.Song Wenzhi, a public health professor at Peking University, said "Grassroots health clinics, without the expertise to perform operations and other treatments, rely heavily on selling drug," adding that these hospitals have found themselves scraping by due to the zero percent mark-up policy.Wang Zhiying, Vice Director of the People's Hospital of Anxiang County in the city of Changde, Hunan Province, said four grassroots hospitals in Changde tested the essential medicine system as pilot projects, but the zero percent mark-up policy took away 60 to 70 percent of the hospitals' revenue.Wang was quoted by "Health News," a newspaper run by China's Ministry of Health, as saying that, due to financial difficulties, the county government had not yet channeled the 8 million yuan (1.2 million U.S.dollars) in support funds into the hospitals' accounts, resulting in the resignations of many doctors.The essential medicine system covers 60 percent of government-funded grassroots hospitals and drug prices have fallen by an average of 30 percent, said Sun Zhigang, Director of the Health Reform Office under the State Council, or China's Cabinet.According to the health reform plan for 2011, the essential medicine system will cover all government-sponsored health institutions at the grassroots level by the end of the year and drugs will be sold there at a zero percent mark-up.Song Wenzhi said the key will be the commitment of local governments to health reform and their financial input. This way, essential medicines can benefit the public without bankrupting grassroots health institutions."That would be a great sum of money." said Song, citing his own studies. "There are roughly 5,000 government-funded hospitals in China. One third of them make profits, one third barely break even, and still one third rely heavily on government subsidies."To maintain the poorest hospitals, central and local level governments would need to invest 15 billion yuan (2.3 billion U.S. dollars) each year, according to Song's estimate.

WASHINGTON, April 6 (Xinhua) -- A study led by researchers at the University of Michigan (U-M) showed in animal studies that new cancer drug compounds they developed shrank tumors, with few side effects.The study, done in two mouse models of human cancer, looked at two compounds designed to activate a protein that kills cancer cells. The protein, p53, is inactivated in a significant number of human cancers. In some cases, it is because another protein, MDM2, binds to p53 and blocks its tumor suppresser function. This allows the tumor to grow unchecked. The new compounds block MDM2 from binding to p53, consequently activating p53."For the first time, we showed that activation of p53 by our highly potent and optimized MDM2 inhibitors can achieve complete tumor regression in a mouse model of human cancer," says lead study author Shaomeng Wang, director of the Cancer Drug Discovery Program at the U-M Comprehensive Cancer Center.Wang presented the study Wednesday at the American Association for Cancer Research 102nd annual meeting.Many traditional cancer drugs also activate p53 but they do so by causing DNA damage in both tumor cells and normal cells, causing side effects. These new MDM2 inhibitors activate p53 while avoiding the DNA damage common with other drugs. In this study, which was done in collaboration with Ascenta Therapeutics and Sanonfi-Aventis, researchers showed that these new drugs shrank tumors without significant side effects.Because p53 is involved in all types of human cancer, the new drug has potential to be used in multiple types of cancer. Further, the researchers also identified certain markers in tumors that predict which ones will be particularly sensitive to the MDM2 inhibitor, which would allow physicians to target the drug only to patients most likely to benefit.

来源：资阳报