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Balance between vasodilation and vasoconstriction in exercising muscle may change with age

The “fight or flight” mechanism is one of the best-known physiological responses. It increases our ability to respond to stressful situations. One way to look at exercise – physiologically -- is as a non-life-threatening example of a stressful situation.

5 Oct 2004

High-tech isometrics helps persons on hypertension medication

Don’t try this at home, but a high-tech version of the muscle crowd’s hand-grip has demonstrated the ability to lower blood pressure, improve the flexibility of the carotid artery and heighten vasoactive sensitivity in people taking medication for hypertension.

5 Oct 2004

Short-term exercise significantly increases insulin action

Carefully controlling the amount of food and drink that formerly sedentary, overweight people ingest during and after short-term exercise has a significant impact on insulin action.

5 Oct 2004

Moderate exercise in mice after they were infected with influenza protects them from dying

University of Illinois researchers report that four consecutive days of moderate exercise in mice after they were infected with influenza protects them from dying, compared with mice that didn’t exercise.

5 Oct 2004

Boosting the blood count in conjunction with radiation therapy doesn't improve survival for head and neck cancer patients

Boosting the blood count – in effect, curing anemia – in conjunction with radiation therapy won't help patients with head and neck cancer fare any better than with radiation alone, says a national study led by Jefferson Medical College researchers.

5 Oct 2004

Linda Buck has been named winner of the 2004 Nobel Prize in physiology or medicine

Linda Buck, Ph.D., a member of Fred Hutchinson Cancer Research Center's Basic Sciences Division, has been named winner of the 2004 Nobel Prize in physiology or medicine.

5 Oct 2004

Thailand's Ministry of Public Health has today confirmed a further case of human infection with H5N1 avian influenza

The case, which was fatal, was a 9-year-old girl from the northern province of Phetchabun. She developed symptoms on 23 September, was hospitalized on 27 September, and died of severe respiratory disease on 3 October.

5 Oct 2004

Researchers discover new mechanism responsible for blood vessel tumors that cause facial deformities

Researchers have discovered a new mechanism responsible for the growth of blood vessel tumors that can cause facial deformities in infants and young children, paving the way for an antibody-based treatment to remove cells that fuel the tumors’ growth.

5 Oct 2004

Research aims to improve the health and safety of construction workers

In 1990, accidents were responsible for 6 to 7 percent of the world's mortality rate. In industry, the highest injury rate occurs in the construction sector, according to the U.S. Department of Labor.

4 Oct 2004

New technique offers efficient blood cleansing

Blood poisoning is fatal in almost half of all cases. Patients could be helped by efficient blood cleansing. Scientists are working on a new technique that will quickly and effectively retrieve toxic substances from the vital fluid without altering the blood count.

4 Oct 2004

Personality disorder symptoms can change with time

Personality disorder symptoms are supposed to be stable, enduring, and persistent across the lifespan, however researchers at Binghamton University, State University of New York, and Harvard report evidence that such disabling psychiatric conditions are flexible and appreciable change over time is possible.

4 Oct 2004

A new study of Northwest women has found toxic flame retardants in the breastmilk of every woman tested

A new study of 40 mothers from Oregon, Washington, British Columbia, and Montana found PBDEs (polybrominated diphenyl ethers) in the breastmilk of every woman tested.

30 Sep 2004

Berkeley searches for AIDS cure in a Samoan indigenous tree

The University of California, Berkeley, has signed an agreement with the Samoan government to isolate from an indigenous tree the gene for a promising anti-AIDS drug and to share any royalties from sale of a gene-derived drug with the people of Samoa.

30 Sep 2004

Drinking eight ounces of cranberry juice works better than four in combating urinary tract infections

Cranberry juice has long been recommended to ward off bladder infections: Now there's evidence that more of the tart drink may be better than less.

30 Sep 2004

Scientists discover a record number of proteins for the highly infectious and stealthy human cytomegalovirus

Scientists have discovered a record number of proteins for one of the largest and most complex viruses, the highly infectious and stealthy human cytomegalovirus, a team from Pacific Northwest National Laboratory and Oregon Health & Science University reported today in the October Journal of Virology.

29 Sep 2004

Unrecognized iron deficiency can impair immunity in older women

Iron deficiency, which can masquerade as routine, old-age symptoms, was found to impair measures of immunity from 28 percent to 50 percent in a group of seemingly healthy, well-nourished, homebound, older women, age 60 and above, in a Penn State study.

29 Sep 2004

Complete laparoscopic skills training curriculum based entirely in the laboratory

A pilot in training doesn’t fly a plane at his first lesson. And so it goes for surgeons in training. To learn such complex skills, it’s safer and more effective to practice first on a simulator.

29 Sep 2004

Trial shows which brain cancer patients benefit from temozolomide

An international team of scientists and cancer specialists has identified which patients with the deadly form of brain tumours called glioblastomas are likely to live longer if they are treated with temozolomide, and which patients are likely to get only marginal, if any, benefit.

28 Sep 2004

Microfluidics help lab-on-a-chip development skyrocket

Lab-on-a-chip (LOC) development has skyrocketed in the last couple of years due to constant efforts in harnessing microfluidics and µTAS to improve the LOC design and function. The distinct advantages that they bestow on applications are pushing the commercial potential of LOCs.

28 Sep 2004

Research shows specific damage to nervous system in veterans with Gulf War syndrome

UT Southwestern researchers report that damage to the parasympathetic nervous system may account for nearly half of the typical symptoms - including gallbladder disease, unrefreshing sleep, depression, joint pain, chronic diarrhea and sexual dysfunction - that afflict those with Gulf War syndrome. Their findings will be published in the October issue of the American Journal of Medicine and are currently available online.

27 Sep 2004

Laboratory News and Research

Balance between vasodilation and vasoconstriction in exercising muscle may change with age

High-tech isometrics helps persons on hypertension medication

Short-term exercise significantly increases insulin action

Moderate exercise in mice after they were infected with influenza protects them from dying

Boosting the blood count in conjunction with radiation therapy doesn't improve survival for head and neck cancer patients

Linda Buck has been named winner of the 2004 Nobel Prize in physiology or medicine

Thailand's Ministry of Public Health has today confirmed a further case of human infection with H5N1 avian influenza

Researchers discover new mechanism responsible for blood vessel tumors that cause facial deformities

Research aims to improve the health and safety of construction workers

New technique offers efficient blood cleansing

Personality disorder symptoms can change with time

A new study of Northwest women has found toxic flame retardants in the breastmilk of every woman tested

Berkeley searches for AIDS cure in a Samoan indigenous tree

Drinking eight ounces of cranberry juice works better than four in combating urinary tract infections

Scientists discover a record number of proteins for the highly infectious and stealthy human cytomegalovirus

Unrecognized iron deficiency can impair immunity in older women

Complete laparoscopic skills training curriculum based entirely in the laboratory

Trial shows which brain cancer patients benefit from temozolomide

Microfluidics help lab-on-a-chip development skyrocket

Research shows specific damage to nervous system in veterans with Gulf War syndrome

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