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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - June 7, 1973, Lethbridge, Alberta Thunder, Junt 7, 1973 THE IETHBRIDGE HEXALD Alberta researchers work on human organ freezing EDMONTON (CP) A Uni- versity of Alberta research team is working towards the eventual goal of freezing human organs on the death of a donor and then keeping them until needed for transplant oper- ations. The group has successfully frozen the embryonic heart of a mouse and then reimplanted it in- the mouse's ear where it functioned, a spokesman for the team said here. "But it must be remembered this is an embryonic heart only one millimetre long which re- ceives nutrients by diffusion through the wall and we have found that the process does not work with larger hearts which require a connected blood sup- said Dr. John Dossetor. At the same time, the re- search group is convinced it is on the way to being able at some future date to freeze hu- man organs and keep them un- til needed. CELLS AHE LIMIT The scientists said single hu- man cells such as sperm, bone marrow and blood cells have been frozen in this way for many years but the state of the science of cryobiology had not reached the point where any- thing larger than a cell could be successfully frozen. The work that the researchers hope will eventually lead to es- tablishment of banks of frozen organs for transplant is spear- beaded by Ray Rajotte, 30, a graduate electrical engineering students who is in charge of freezing the organs being used in experiments to date. Dr. Dennis Jirsch, who pro- posed using the tiny embryonic mouse hearts in the work, has reimplanted them in the ear of OPTICAL PHISCRIPTION CO, the mouse after thawing and noted that they continued func- tioning. Dr. Dossetor is co-di- rector of the team with Dr. Geoffrey Voss. They said the process in- volves cooling the heart to 35 degrees fahrenheit and allowing it to absorb a ciyoprotective agent which changes the ice crystal formation process. When the material a ab- sorbed, the embryonic heart is slowly cooled to 122 degrees be- low zero after which it is stored in a container of liquid nitrogen at 400 below. Dr. Voss, professor of elec- trical engineering at the univer- sity, later uses microwaves to raise the temperature of the hearts uniformly in as little as 30 seconds. The importance of the re- search work is underlined by the fact that although kidney transplant operations, for ex- ample, have a fair rate of suc- cess, kidneys are not always available from donors exactly when needed. A spokesman for the hospi- tal's transplantation laboratory said if a stock of frozen organs such as kidneys was kept in each major city, there would be no need to search all over the country for suitable donors, with the added complication of providing suitable air trans- portation when donated organs are located. However, the work is in its early stages. The officials em- phasized that an embryonic mouse heart is long way'from the complexity of a human kid- ney. But the mouse heart at the same time is considered a sys- tematic, co-ordinated organ, and not just a small group of cells. The stumbling block is deal- ing with more complex organs such as kidneys from ex- perimental animals and from humans is the delicacy of tiny blood vessels, capillaries, re- quired to carry blood to the or- gan. Researchers at this stage have not been able to preserve them through freezing, even though the other cells of the or- gan survive. Transplanted Alberta elk mean critters LYTTON, B.C. (CP) If you're travelling in the woods near here and you come across some animals that look like large deer with white tags hanging from their ears, take Brian Gates's advice and keep your distance. The animals are elk and they've had a long haul re- cently, so they might be a lit- tle mean. The elk are new arrivals In British Columbia from Jasper National Park in Alberta, courtesy of the federal gov- ernment's national and his- oric parks service and the B.C. fish and wildlife branch. Mr. Gates, regional wildlife biologist for the B.C. branch, said the animals were brought from Jasper by truck, and al- though many are used to hu- mans because of being in the park, they are a little nasty. "Some are perhaps ap- proachable, but they may sud- denly Mr. Gates said. "I went into a truck and was struck on the back of the neck and head by an elk's front hooves. It's no picnic." Mr. Gates said the animals were taken from Jasper to ease elk population pressure there and were brought to Lytton to provide the area with an elk herd. Although hunting of the anl- Enter Dad Today in Simpsons-Sears AIR CN Enter your Dad or husband and ha may be the (Province) of a Vacation In Canada that includes: AIR CANADA Economy Class for Mm, Mom and the kids to and from any one of our 9 Vacation Canada cities. 6 NiGhTS accommodation at the deluxe CN HOTEL In your Vacation Canada city. spending money for Dad Where you can go; where you'll stay Vancouver B.C. Edmonton Alia. Hotel Vancouver Macdonald Hotel Saskatoon Sask. Winnipeg Man. Hotel Bessborough Hotel Fort Garry Ottawa Ont Montreal Qua. Chateau Laurie? Queen Elizabeth Moncton N. B. Halifax N.S. Hotel Beausejour Hotel Nova Scoflan St. John's Nfld. Hotel Newfoundland Visit your nearest Simpsons-Sears Store for contest rules and contest ballots. No purchase required. SIMMONS Sears mals now Is banned, In time they may be hunted on a. selective basis. "This might be done on a lottery system, as many of the states in the U.S. are doing Mr. Gates said. "Hunters would submit ap- plications. There would be a draw and a certain number would be granted licences to hunt elk.' However, Mr. Gates said any hunting of elk would be well in the future, with efforts now directed to establishing the herd. The animals were captured with tranquillizer darts and some spent as long as 14 hours in the trucks before ar- riving here. Lytton Mountain was se- lected as the range for the elk because of abundant food and a lack of natural competition from other grazing animals. "We feel this is a relatively empty ecological niche for the Mr. Gates said. "There are few deer and mountain goats.' He said two of the group that arrived here swam the Thompson River and went up another nearby mountain. It's hoped that those two, both probably female, are pregnant and a new herd will be started on that mountain. Advertising considered for drugs OTTAWA (CP) The federal governmentls considering changing legislation to allow some advertising of prescription drugs, Health Minister Marc Lalonde said today. The advertising, which would include only the name of the drug, its strength, the amount to be sold, and the price, would allow consumers to shop com- paratively, he told the meeting of the Ontario Pharmacsts As- sociation. "This advertising would tie In with one aspect of the quality assurance of drugs program making it easier for the consumer to shop for better prices. It would especially bene- fit those who must purchase ex- pensive medication over a pe- riod of time." Mr. Lalonde said drug adver- tising is one of the important areas requiring co-operation be- tween government and the pharmaceutical industry. He urged pharmacists to as- sist in control of over-the- counter analgesics (painkillers) by refusing to sell large quan- tities. For example, people who take four to six tablets a day of cer- tain painkillers for long peri- to three destruction of their kidneys. "When we see that about two million pounds of acetysalicylic acid (used in aspirin) were im- ported last year, enough to make two and one half billion tablets or 125 tablets per per- son, this will give you some idea of the problems we said Mr. Lalonde. "Most of these tablets were sold through pharmacies.' Bermuda samples show island age HALIFAX (CP) A Dalhou- eie University scientist says Bermuda is about 100 million years younger than he had an- ticipated. Dr. Fab Aumento says analy- sis of rock samples he obtained last spring indicates that the mid Atlantic islands were formed some 38 million years ago. The age of the ocean floor around them has been estab- lished as about 130 million years and he had expected that Ber- muda would date back to the same era, A team of workers under Dr. Aumento obtained the samples last April and May by drilling to a depth of more than feet on the islands, 850 miles south of Halifax. He says his research indicates that the islands were formed, possibly by a volcanic eruption, within 100 or 200 miles of their present location and did not drift westward from the mid- Atlantic ridge. Dr. Aumento says there is no danger of any further eruptions on the site. His analysis showed the volcanic quality of the rocks was completely dead. INSURANCE LIABILITY BONDS AUTO FIRE ROSSITER AGENCIES ITD. ESTABLISHED 1911 towtr Floor 517 4th S. Phona 327-1541 Operation Deep-Drill Workman operates part of the equipment used in a scientific project designed to establish the age of the Bermuda Islands. 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