郑州郑州大学弟一附属医院眼科(郑州看医生眼科) (今日更新中)

The Wake Forest Institute for Regenerative Medicine says it has a new use for its bioprinting system. In the past they've 3D printed normal-size organs and tissues in hopes of someday implanting them in patients.For the coronavirus, the lab is creating organs using human cells that can be as small as a pinhead. They're focusing on the organs most likely to be infected by the disease. like the lungs.“And so we've been playing with a number of agents to, on both prongs what can make it more infective, what can make it less infective to try to sort this out for the future,” Anthony Atala, director for the institute said.Atala says he hopes the system will help in testing drugs before they hit the market.Drug companies do extensive testing and clinical trials in people before releasing a new medication.Atala says sometimes those companies find no serious side effects, but then years later, discover that it's toxic to patients taking it. Atala says testing a drug using the bioprinting system can tell if a drug is toxic in weeks instead of after years on the market.“Even though we've used the tool extensively for toxicity testing, it's also a tool that can be used for screening,” Atala said. “So we can test agents that are currently being considered for testing against COVID and test the efficacy of the treatment on miniature human organs made up of normal cells”To be clear, Atala said drug tests on 3D printer organs are not meant to replace clinical trials in humans, be are an added step to better predict what will happen in those trials. 1567

The US Office of Special Counsel announced Tuesday that White House aide Kellyanne Conway violated the Hatch Act on two occasions by "advocating for and against candidates" in last year's Alabama Senate special election.In a new report, the OSC special counsel, Henry Kerner, pointed to Conway's TV interviews conducted in her "official capacity" in November and December of last year. The agency said Conway "impermissibly mixed official government business with political views about candidates in the Alabama special election."One of the two interviews was on CNN's "New Day," and the second was on Fox News' "Fox & Friends."In a letter to President Donald Trump, Kerner said he is referring her violations for the President's "consideration of appropriate disciplinary action."The White House did not immediately respond to a request for comment.During the "Fox & Friends" interview November 20, Conway was introduced by the show's hosts as a "counselor to President Trump" and spoke from White House grounds. She said about Democratic Senate candidate Doug Jones: "Folks, don't be fooled. He'll be a vote against tax cuts. He's weak on crime, weak on borders. He's strong on raising your taxes. He's terrible for property owners."During the "New Day" interview December 6, Conway -- again speaking from White House grounds and introduced by CNN anchor Chris Cuomo as "counselor to President Trump" -- said among other things that Jones will be a reliable vote "for tax hikes," "against border security," "against national security," "against the Second Amendment" and "against life," according to the OSC report.Conway went on to tell Cuomo that Jones is "out of step for Alabama voters, according to the President," and that Trump "doesn't want a liberal Democrat representing Alabama in the United States Senate."The Office of Special Counsel is unrelated to the investigation by special counsel Robert Mueller.  1940

The USDA is recalling Jenny Craig Chicken Wrap with Barbecue Sauce frozen meals because the vegetables may be contaminated.SK Food Group, located in Ohio and Nevada, recalled approximately 174,207 pounds of the chicken wrap product because the vegetables in the dish may be contaminated with salmonella and listeria.These meals were shipped to consumers in California, Colorado, Florida, Hawaii, Idaho, Illinois, Maryland, Michigan, North Carolina, Oregon, Pennsylvania and Texas.The frozen meals were produced between October 2017 and October 2018.The following products are subject to recall:? 4.5-oz. plastic packages containing “Jenny Craig Chicken Wrap With BBQ Sauce,” with lot codes WO0096753S10, WO0097880S10, WO0098216S10, WO0098565S10, WO0098923S10, WO0100691S10, WO0100692S10, WO0101746S10, WO0101861S10, WO0102176S10, WO0102469S10, WO0102758S10, WO0103920S10, WO0104247S10, WO0104353S10, WO0104615S10, WO0104995S10, WO0106312, WO0106312S10, WO0106945S10, WO0107556S10, WO0108694S10, WO0108695S10, WO0096753S02, WO0097880S02, WO0098216S02, WO00982416S02, WO0098565S02, WO0098923S02, WO0100691S02, WO0100692S02 and WO0101746S02.The frozen meals have establishment numbers "EST. 45367" or "EST. 20552" stamped on the product centerfold.Consuming foods with salmonella can cause diarrhea, cramps and fever. Eating products containing listeria can cause fever, muscle aches, headache, stiff neck, confusion, loss of balance, convulsions and diarrhea.So far no illnesses have been reported.If you have one of these meals, throw it out. 1624

The US Food and Drug Administration on Thursday announced the approval of?the first generic version of EpiPen.The auto-injector pen delivers the drug epinephrine to patients experiencing a severe allergic reaction that, if untreated, could develop into the life-threatening condition of anaphylaxis. The medication is delivered into a muscle as a single dose, like a shot, through an injector pen with a spring.Allergies from food, bug bites, medications and latex can cause life-threatening reactions.The newly approved generic is made by Teva Pharmaceuticals and offers an alternative for patients who, until now, have been able to use only the brand-name EpiPen made by Mylan. It is approved in a smaller dose for children, as well.There are two other brand products on the market for a severe allergic reaction: Adrenaclick and Auvi-Q.The newly approved option made by Teva is the only approved non-brand option and can be substituted only for Mylan's EpiPen."Today's approval of the first generic version of the most-widely prescribed epinephrine auto-injector in the U.S. is part of our longstanding commitment to advance access to lower cost, safe and effective generic alternatives once patents and other exclusivities no longer prevent approval," FDA Commissioner Dr. Scott Gottlieb said in a statement announcing the approval.In recent years, Mylan came under fire for a price increase that put the product out of reach for many who needed to keep the drug on hand. 1488

The Trump administration plans to announce the long-anticipated federal rule officially banning bump stocks in the coming days, according to US officials familiar with the matter.Bump stocks gained national attention last year after a gunman in Las Vegas rigged his weapons with the devices to fire on concertgoers, killing 58 people. President Donald Trump vowed to outlaw the devices soon after the tragedy, and some lawmakers on Capitol Hill urged him to back a permanent legislative fix.But opposition from lawmakers and the National Rifle Association ultimately made a regulatory change the only realistic path forward to accomplishing the President's goal.The devices make it easier to fire rounds from a semi-automatic weapon by harnessing the gun's recoil to "bump" the trigger faster -- an operation that caused officials at the Bureau of Alcohol, Tobacco, Firearms and Explosives during the Obama administration to conclude that it's merely a gun accessory or firearm part, not subject to federal regulation.At Trump's direction, however, the Justice Department submitted a proposed final rule earlier this year that upended the Obama-era interpretation, and concluded that bump-fire stocks, "slide-fire" devices, and devices with certain similar characteristics all fall within the prohibition on machine guns by allowing a "shooter of a semiautomatic firearm to initiate a continuous firing cycle with a single pull of the trigger," and therefore, they are illegal under federal law.Under the new rule, bump stock owners would be required to destroy or surrender the devices to authorities. Members of the public will be given 90 days to turn in or otherwise discard their bump stocks, according to a source familiar with the final rule."Bump stocks turn semiautomatic guns into illegal machine guns. This final rule sends a clear message: Illegal guns have no place in a law-and-order society, and we will continue to vigorously enforce the law to keep these illegal weapons off the street," a senior Justice Department official told CNN Wednesday.Republican lawmakers, who are typically opposed to federal agencies writing regulations to accomplish what Congress hasn't directly legislated, had insisted that the Justice Department and ATF write a new regulation. Whereas some Democrats, such as Sen. Dianne Feinstein of California, have repeatedly cautioned that such a ban would likely result in lawsuits given ATF's earlier interpretation.ATF Acting Director Thomas Brandon acknowledged in a Senate hearing this summer that he has been advised that banning bump fire stocks through executive regulation could lead to court challenges that would delay the implementation of a ban.Trump said last month he told the NRA "bump stocks are gone," but how the group responds to the final rule remains to be seen. A spokesperson for the NRA said in October 2017 that the ATF "should review bump-fire stocks to ensure they comply with federal law," but made clear it opposed the broader gun-control legislation raised by some in Congress.In June, Slide Fire Solutions, the Texas company that invented the bump-fire stock device and was its lead manufacturer, announced on its website that it would stop taking orders for its products and would shut down its website.The company, however, directs buyers to RW Arms, an arms dealer also based in Texas, which appears to be selling the remainder of Slide Fire's inventory. RW Arms was advertising for bump fire stocks made by Slide Fire as recently as this week, when they offered a Cyber Monday sale on the product. Slide Fire has not responded to repeated requests for comment about any potential litigation over a federal rule banning bump stocks.The-CNN-Wire 3725

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