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時間:2022-08-15 來源:本站 點擊:258次

World's first pig******

The world's first person receiving a heart transplant from a genetically-modified pig two months ago has died, the US Maryland hospital that performed the surgery announced Wednesday.

David Bennett, the 57-year-old American patient, died Tuesday at the University of Maryland Medical Center (UMMC). Doctors did not give an exact cause of death, saying his condition had begun deteriorating several days earlier.

After it became clear that he would not recover, Bennett was given compassionate palliative care. He was able to communicate with his family during his final hours, said the UMMC in a release.

Bennett received the first-of-its-kind transplant on January 7, and lived for two months following the surgery. He had been deemed ineligible for a conventional heart transplant, and the surgery was the only currently available option for him, according to the UMMC.

The US Food and Drug Administration granted emergency authorization for the surgery on New Year's Eve through its expanded access (compassionate use) provision.

After the surgery, the transplanted heart performed very well for several weeks without any signs of rejection, according to the UMMC.

Bennett was able to spend time with his family and participate in physical therapy to help regain strength. He watched the Super Bowl with his physical therapist and spoke often about wanting to get home to his dog Lucky, according to the hospital.

Bartley Griffith, who performed the groundbreaking transplant, said Bennett proved to be a brave and noble patient who fought all the way to the end.

"As with any first-in-the-world transplant surgery, this one led to valuable insights that will hopefully inform transplant surgeons to improve outcomes and potentially provide lifesaving benefits to future patients," Griffith said.

"We have gained invaluable insights learning that the genetically modified pig heart can function well within the human body while the immune system is adequately suppressed," said Muhammad Mohiuddin, professor of surgery and scientific director of the Cardiac Xenotransplantation Program at the University of Maryland School of Medicine.

"We remain optimistic and plan on continuing our work in future clinical trials," he said.

About 110,000 Americans are currently waiting for an organ transplant, and more than 6,000 patients die each year before getting one, according to US government data.

Chinese yuan weakens to 6.4079 against USD Wednesday******

BEIJING, Nov. 3 (Xinhua) -- The central parity rate of the Chinese currency renminbi, or the yuan, weakened 70 pips to 6.4079 against the U.S. dollar Wednesday, according to the China Foreign Exchange Trade System.。

In China's spot foreign exchange market, the yuan is allowed to rise or fall by 2 percent from the central parity rate each trading day.。

The central parity rate of the yuan against the U.S. dollar is based on a weighted average of prices offered by market makers before the opening of the interbank market each business day. Enditem。

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  中共陕西省委 陕西省人民政府







Chinese paddlers display top form at table tennis worlds as quarterfinals loom******

HOUSTON, Nov. 26 (Xinhua) -- Excitement ran high on the fourth-day competition of the World Table Tennis Championships held here on Friday.。

Chinese paddlers continued to show prowess with almost all of them sealing a place in the quarterfinals.。

Top seeds and world No. 1s Fan Zhendong and Chen Meng ousted their respective rivals in the men's singles and women's singles competitions to march into the last eight.。

Fan beat compatriot Wang Chuqin 4-2 and will play another teammate Lin Gaoyuan at the quarterfinals scheduled on Saturday.。

Another male paddler Liang Jingkun broke English hearts by ending the hopes of Liam Pitchford in an epic seven-game thriller in which the Chinese won 4-3. Liang will take on third seed Hugo Calderano from Brazil in the next round.。

Chen had a tougher battle at hand against former Asian champion Miu Hirano. Their battle for supremacy went the full distance to seven games, and it was Chen who eventually came up tops by defeating her Japanese rival 4-3.。

Sun Yingsha cruised into the last eight, while her teammates Wang Manyu and Chen Xingtong will play each other at the women's singles quarterfinals on Saturday.。

Wang Yidi outclassed Japan's Hina Hayata 4-2 to the next round, where she will take on third seed Mima Ito, Hayata's compatriot.。

Defending champions Wang Manyu/Sun Yingsha have been awarded quarterfinal tickets at the women's doubles, as they attempted to hold onto the trophy they held aloft in 2019. Sixth seeds Petrissa Solja/Shan Xiaona saved multiple game points to steal the opening game and refused to back down against the title favorites. However, Wang/Sun held their nerve and went on to recover an important 3-1 win, 16-18, 11-7, 11-6, 11-9.。

Another Female combination Chen Meng/Qian Tianyi also progressed to the last eight, after a 3-1 victory over Slovakian Barbora Balazova/Hana Matelova.。

Spain's Alvaro Robles and Romania's Ovidiu Ionescu, the 2019 runners-up, failed to replicate their heroics in Houston. The duo's journey in the men's doubles at the 2021 Worlds was halted after losing to their Chinese opponents Fan Zhendong/Wang Chuqin 3-1.。

Lin Gaoyuan/Liang Jingkun also moved into the last eight, after beating their French rivals Emmanuel Lebesson/Alexandre Cassin 3-0.。

In the mixed doubles, Wang Chuqin/Sun Yingsha secured a berth in the next round, after taking down their opponents Chen Chien-An/Chen Szu-Yu of Chinese Taipei 3-1.。

The closely-watched joint pairs from China and the United States, Lin Gaoyuan/Lily Zhang and Kanak Jha/Wang Manyu, had different fates on Friday.。

Lin/Zhang dispatched Russian pair Kirill Skachkov/Olga Vorobeva 3-1, winning their tickets to the quarterfinals, while Jha/Wang were stopped by Indian duo Sathiyan Gnanasekaran/Manika Batra 3-2.。

The two combinations, who carry on the spirit of Ping-Pong Diplomacy initiated between the two nations half a century ago, were confirmed to enter the draw by the sport's world governing body ITTF on Sunday and had just trained together once on the eve of the Worlds' opening. Enditem。


1.特朗普被查共和党忙抓"内鬼" 伊万卡证词令特朗普愤怒




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