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No. 140, Rajakilpakkam, Madambakkam High Road, Chennai
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| In a first, lungs created in lab live on in rats Washington: US scientists reported important progre4ss towards building new human lungs by successfully implanting lab-cultivated cellos into a rat's lungs, and by creating an artificial device on a microchip that mimics the human lung. Yale University researchers managed to create lungs that worked from 45 to 120 minutes by using laboratory-cultivated cells and implanted them into rats, a scientific first. Separately, researchers with the Wyss Institute at Harvard University, Harvard Medical School and hildren's Hospital Boston created a device that acts like a human lung using blood vessel cells. It is about the size of a rubber eraser. The artificial lung can be used to test the effects of new medicine and toxins on human lungs, said Wyss Institute director Donald Ingber and the study's main author. The minilung-on-a-chip" merges a number of technologies in an innovative wqay" said MIT Institute professor Robert Langer. Both studies appear in Friday's edition of Science. For the first study, researchers took adult rat lungs and removed their existing cellular components. They preserved the matrix and branching structures of the airways and vascular system, which they later used to grow new lung cells. "When implanted into rats for short intervals of time )45 - 120 minutes), the engineered lungs exchanged oxygen and carbon dioxide similarly to natural lungs," they said. "This is an early step in the regeneration of entire lungs for larger animals and, eventually, for humans." said lead author Laura niklason from Yale University. Niklason however warned that it will take years of research with adult stem cells to see if lungs can be regenerated in vitro, successfully implanted into patients, and made sure they function properly. |
| 'Human fetus feels no pain before 24 weeks' Nerve Connections In Brain Not Formed Sufficiently To Allow Sensation, Says UK Govt-Funded Study  London: British health experts say the human fetus cannot fel pain before the age of 24 weeks, and so there is no reason to challenge UK's abortion limit.] The study says that nerve connections in the brain are not sufficiently formed to allow pain perception before 24 weeks. The government-commisioned study is a setback for anti-abortion activists, who want Britain's current 24-week time limit for terminations reduced. The study by the Royal College of Obstetricians and Gynecologists, published Friday, was recommended by lawmakers who are considering lowering the abortion limit. The doctors say there is increasing evidence that even after 24 weeks the fetus is in a state of "continuous sleep-like unconsciousness or sedation". The studies suggest that late abortions, permitted for serious abnormalities or risks to a woman's health, do not result in foetal suffering because of increasing evidence that the chemical environment in the uterus induces "a continuous sleep-like unconsciousness or sedation". The finding that the fetus is naturally sedated and unconscious in the womb, leading the panel to advise that anaesthetics for the foetus are not needed when it is terminated. Professor Allan Templeton, president of the Royal College, who chaired the review, said that research put forward by anti-abortion campaigners that the human foetus did feel pain at or before 24 weeks was based on evidence from premature babies. This did not apply to the fetus in the womb, he said. The review would appear to remove one strut of the argument by pro-life campaigners that the current abortion limit needs to be lowered, although they are likely to challenge the findings. Two years ago MPs voted on reducing the limit to 20 weeks, after the Conservative MP Nadine Dorries tried to change it by introducing an amendment to what was then the Human Fertlisation and Embryology Bill. The motion was defeated by a comfortable majority of 71. At the time David Cameron said he backed reducing the limt to 20 weeks. On Thursday Dorries, a foremer nurse and mother of three, said that there was 'much more support" in the new intake of MPs for a change to the limit. Nonetheless, many liberal Democrat MPs are though to be against reducing the limit. A Downing Street spokesman said that the prime minister would "continue to be guided by the science on the matter", the Telegraph reported on Friday. |
| Head turner Vidya Malavde of Chak De fame may not have much work to boast about but the lass sure knows how to keep herself occupied. Topping her priority list is her exercise routine apart from the fashion shows for which she is showstopper. We recently spotted the petite actress at a suburban food joint looking absolutely fragile and skinny. Clad in casuals, the actress had stopped by to ruck in to the joint's Lebanese speciality, the chicken shawarma. What tearing hurry the actress was in we don't know but she made sure she spelt out her order loud and clear. In fact, it was loud enough for all those around to turn and take a look at her, a few faintly recognising her. Now what's that they say about publicity? |
| SIDELINED? Actor Prithviraj might have played Aiswarya Rai's husband in the recently released Raavanan, but according to sources, the actor received 'step-motherly treatment' from the production team. We heard that Prithviraj got a raw deal as he was not even invited to bepart of the film's promotions. What's more, the acotor had to gatecrash the London premiere of the film. Sources say he 'went on a personal tour to Scotland' just two days before the premiere as his friends in Kerala started asking him about his plans for the movie's promotion. We hear that the actor is still sore about being left out of the promotion of Villain (The Telugu version of Raavanan ) as Ash and Vikram hogged the limelight in Hyderabad. The actor is now aggressively promoting the film in his home state Kerala with Vikram. |
| Media manners Bipasha Baus is behaving like the concerned wife as far as boyfriend John Abraham goes. Bips, who is a smart cookie with good media manners, realised that John could be positioned higher in life if he remembers to show the media his best profile. |
| Big B unwell ? The superstar is said to be recuperating in Londaon  Who said Amitabh Bachchan ditched his press conference in Mumbai on Tuesday to announce his return to the Kaun Banega Crorepati hotseat because he wanted to spend time in London with his grand kids? Not true at all! All of Bollywood will tellyou, if there is one artiste who is 100% professional, then it is the Big B. And the report that 'Nanaji Bachchan' cancelled his return (and, thereby the press conference, leaving the entertainment channel's head honchos red faced) to entertain grand children Navya Naveli and Agastya over lunch ande soccer in London. Must have had the Big B in a twitter. Nd, who said earlier that Amitabh Bachchan had failed to attend the release of Gautam Rajadhyaksha's book because he had gone into hiding n London and was licking the wounds his family had suffered from the savage mauling of Raavan ? he was to be the chief guest, you remember, along with Lata Mangeshkar. Instead, Jaya Bachchan flew down from London for the book launch, and provided Gautam and Lataji an added show with Rekha! Rumour is that the Big B is unwell. And he has been advised not to travel for a while. What is wrong with him, nobody knows, but going by past experiences... alarm bells start ringing in Bollywood even if Bachchan Sr comes down with the flu. So, the Bachchan parivar has flown down to be by his side with Abhishek and Aishwarya postponing or cancelling all scheduled post-release publicity events for Raavan, and daughter Shweta and her children, joining Paa and Ma in London. |
| SHORT CUTS Swingers face a higher risk of sex diseases Scientists studying swingers - heterosexual couples who swap partners at sex parties - say they have higher rates of sexually transmitted infections (STis) than prostitutes. Dutch researchers publishing their work in the British Medical Journal showed that older swingers - over the age of 45 - are particularly vulnerable and yet are a group largely ignored by health care sevices, with estimates the swinger population could be many millions across the world, the scientists said there was a risk this untreated group could act as an STI "transmission bridge to the entire population." Red wine may help keep Alzheimer's at bay: A new research has shown that an organic compound found in the drink - resveratrol has the ability to neutralise the toxic effects of proteins linked to Alzheimer's disease. The findings are a step toward understanding the large-scale death of brain cells seen in certain neurodegenerative diseases, "We've shown how resvertrol has very interesting selectivity to target and neutralize a select set of toxic peptide isoforms," Rensselaer Professor Peter M Tessier said. | |
| Stem cells help reverse blindness due to burns Los Angeles: Dozens of people who were blinded or otherwise suffered severe eye damage when they were splashed with caustic chemicals had their sight restored with cornea transplants from their own stem cells-a stunning success for the cell-therapy field, Italian researchers reported. The treatment worked completely in 82 of 107 eyes and partially in 14 others, with benefits lasting up to a decade so far. One man whose eyes were severely damaged more than 60 years ago now has near-normal vision. Stem cell transplants offer ho;e to the thousands o9f people worldwide every year who suffer chemical burns on their corness from havy-duty cleansers or other substances at work or at home. The approach would not help people with damage to the optic nerve or macular4 degeneration, which involves the retina. Nor would it work in people who are completely bolind in both eyes, because doctors need at least some healthy tissue that they can transplant. In the study, published online by the New England journal of Medicine, researchers took a small number of stem cells from a patient's healthy eye, multiplied them in the lab and placed them into the burned eye, where they were able to grow new corneal tissue to replace what had been damage. Since the stem cells are from their own bodies, the patients do not need to take anti-rejection drugs. Adult stem cells have been used for decades to cure blood cancers as leukemia and diseases like sickle cell anemia. But fixing a problem like damaged eyes is a relatively new use. Researchers have been studying cell therapy for a host of other diseases, including diabeetes and heart failure, with limited success. Adult stem cells, which are found around the body, are different from embryonic stem cells, which come from human embryos and have stirred ethical concerns because removing the cells requires destroying the embryo. |
| 'Brain Scans predict your action better than you can' Brain Imaging in Behavioral Medicine and Clinical Neuroscience  Washington: Brain scans may be able to predict what you will do better than you can yourself, and might offer a powerful tool for advertisers or health officials seeking to motivate consumers, researchers said. They found a way to interpret "real time" brain images to show whether people who viewed messages about using sunscreen would actually use sunscreen during the following week. The scans were more accurate than the vounteers were, Mily Falk and cooeagues at the University of California Los Angeles reported in the Journalof Neuroscience. "We are trying to figure out whether there is hidden wisdom that the brain contains," Falk said in a telephone interview. "Many people 'decide' to do things, but then don't do them," Matthew Liebeman, a professor of pasychology who led the study, added. But with functional magnetic resonance imaging or FMRI, Falk and colleagues were able to go beyond good intentions to predict actual behgavior. FMRI uses a magnetic field to measure blood flow in the brain. It can show which brain regions are more active compared to others, but requires careful interpretation. |
| Not just wrinkles, Botes jab can kill emotions too  London: Botox may help you look young, but it can affect the development of emotions curtailing your happiness, a new study has claimed. The research into Botox used to fight facial wrinkles found tht those who are unable to smile are less likely to be happy. Botox is made of an extremely toxic protein called Botulinum toxin that temporarily paralyses the muscles that cause creases. But, researchers at Barnard College in New York found that lack of facial expressions may influence emotional experiences as well. They found that being unable to smile at the time of happiness feeds back to the brain reducing the intensity of feeling, the Telegraph reported. "With Botox , a person can respond otherwise normally to an emotional event, such as a sad movie scene, but will have less movement in the facial muscles that have been injected, and therefore less feedback to the brain about such facial expressivity," said lead researcher Joshua Davis. For their study, Davis and his colleague Ann Senghas led a team of researchers who showed people emotionally charged videos bothy before and after they were injected with either Botox. or restylane - a substance injected into lips or facial wrinkles that fills out sagging skein. Restylane was used as a control because it simply adds filler but doesn't limit the movement of muscles. Compared with the control group, the Botox participants "exhibited an overall significant decrease in the strength of emotional experience," the researchers said. The simple act of smiling can help make you feel happy, while frowning can bring down your mood, they added. |
| An hour of TV ups heart disease risk by 7% The Link is Strong Even In Those With Healthy lifestyles & High Fitness Levels, Says Study  Washington: Every hour you put in watching the World Cup on television, your risk of dying from a heart disease increases by 7%, says a new study. British researchers have found that if the average of four hours of television a day in the study were reduced to one hour, then 8% of deaths from heart disease could have been prevented. The link between TV and heart disease was still strong even when lack of exercise, obesity, diet and smoking were taken into account. This implies that watching TV was independently linked to heart disease and the effect is not simply due to be inactive while watching television. Conducted by the Medical Research Council, the research, examined more than 13,000 healthy middle-aged men and womenin Norfolk. Over the 10-year study, 373 of the 13,197 participants or one in 35 died from heart disease. Of these deaths. 30 could have been prevented if the average person wtched one hour of television per day instead of four. "Our bodies are not designed to sit for long periods and we should be aware that, as we put in the TV hours watching the World Cup, out risk of heart disease is probably increasing," the Telegraph quoted Katrien Wijndaele, co-author of the study from the MRC, as saying. "It might seem onvious that watching TV is linked to heart disease but it's really crucial that we look closely at how our lifestyles affect our health in order to develop more effective ways of improving the health of the nation. This type of research is a crucial part of informing public health advice. "We need further research to see if other sedentaryactivities, like sitting behind a computer or in the car, generat the same results. However, we chose to focus onj TV as it's the most widespread sedentary leisure activity where people have an active choice to dramatically change their behaviour," headded. UIf Ekelund, co-author of the study from the Medical Research Council said, "If my normal risk of dying by heart disease was 10% and I also watched four hours of television a day (the national average) my risk would jump to 13%. "In the future, doctors could use the number of bours spent in front of the TV as part of their assessment of our overall risk of heart disease," he added. The stdy was published in the International Journal of Epidemiology. |
| MASTERS OF ASIA Nehra, Praveen And Karthik Shine As India Become Champions Beating SL By 81 Runs  Dambulla: Ashish Nehra produced a dream spell of fast bowling in two overs to break the back of the Sri Lankan batting as India coasted to their first Asia Cup triumpoh in 15 years on Thursday. Sri Lanka, chasing a competitive 269 for a win under lights, lost their way as the Indian seamers made early inroads and got to a winning position by the 16ths over. Nehra's three wickets in the space of eight balls had done enough to give India a big win by 81 runs in the final. Nehra started the rout in the 14th over, his second, sending back Jayawardene and Angelo Mathews. He added a well settled Sangakkara to his kitty in his third over as Sri Lanka slumped to 50 for five. Nehra'sfigures read 3-0-6-3 and only Kandamby and Kapugadera in the middle left to counter the Indians. kandamby's run out after a 54 run stand with Kapugadera sent Sri Lanka out of the running and it was time for spinner jadeja to take control. Kapugadera made a painstaking 55 and remained unbeaten. Nehra had figures of four for 40 from nine overs. Earlier, in the Indian innings, around the 30th over, when skipper MS Dhoni and Rohit Sharma were at the crease, India were literally crusing and looked good for a total of around 280 or more. But the moment Dhoni got out, to a callous shot off part-time bowler Thilina Kandamby, the Sri Lankan bowlers took control of the situation and restricted India to 268 for six. Dinesh Karthik did play an important knock of 66, but the rest Virat Kohli (28), Dhoni (38 off 50 balls), Suresh Raina (29 off 31 balls) and Rohit Sharma (41 off 52 balls) - got into their twenties and thirties but got out just when they were needed to stay at the crease. Gambhir too departed for 15 when it mattered most. India could muster only 34 runs in the batting Powerplay, lost the wicket of Rohit (41 off 52 balls) and struck only one four in the last 10 overs. Only two dismissals-that of Kokli and Raina-appeared to have been the result of some good bowleing, especially from Lasith Malinga. Other than that, the Indian batsmen threw away their wickets. But on the whole, the Indianbatting display was better than in the previous match at the same venue against the same opponents, where the visitors were all out for209. |
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