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Tag: "rose" at biology news

Rising skin cancer rates are more likely to affect wealthy people, says 12-year review

...t rise in samples. Squamous cell caricoma patients rose by 28 per cent, with a 57 per cent rise in samples, and basal cell carcinoma patients rose by 13 per cent, with a 62 per cent rise in samples. “The majority of the people who live in Nort...

'Guardian of the genome' protein found to underlie skin tanning

...chers inserted p53 into keratinocytes, POMC levels rose dramatically. When they delivered UV radiation to mice whose keratinocytes lacked p53, POMC production was not induced and the mice did not tan. The implications of the research go beyond tanning. A common skin condition, especially among the elde...

Robotic therapy helps restore hand use after stroke

...oved by nearly 10 percent. And their average score rose by nearly 20 percent on the Box-and-Blocks Test, which assesses manual dexterity as one moves blocks from one side of a box to another in one minute. The patients also developed a 17 percent greater range of motion in their hands and wrists and ...

20-year study shows significant rise in childhood obesity, especially among girls

... both 2002 and 1982. The number with a BMI over 30 rose from one per cent in 1982 to two per cent in 2002. Nine per cent of 16-year-old boys had a BMI of more than 25 in 2002, compared with 15 per cent in 1982. The percentage with a BMI of more than 30 remained stable at one per cent. "Children l...

White blood cells in lung produce histamine seen in allergies

... though there were no mast cells, histamine levels rose up to 50 times normal." The reason was straightforward, Caughey says. Neutrophil numbers increased in response to infection, and neutrophils in turn produced histamine. "It's a direct effect of the mycoplasma bacteria on neutrophils. They induce ne...

Syphilis rate on rise in US gay, bisexual men

... the decade went by. However, the syphilis rate rose by 19 percent between 2000 and 2003. During that period, the rates among women continued to slide ?by 53 percent ?while rates among men jumped by 62 percent. While syphilis statistics do not identify the gender of the sex partners of infected peop...

Light wine intake is associated with longer life expectancy in men

...t in the 2000 survey. Average alcohol consumption rose and then fell at various points during the study. Users?consumption was eight grams a day in 1960, then survivors?consumption was 18 grams a day in 1985, dropping to 13 grams per day in 2000. The percentage of wine users increased during follow-up ...

Scientists discover way to block growth of prostate cancer cells

...rase (SSAT), which starts oxidation of polyamines, rose markedly when prostate cancer cells were treated with androgen. Polyamines are small molecules produced in large quantity by the prostate gland and are secreted in the seminal fluid. Oxidation of polyamines generates a large amount of the ROS, hydr...

Molecules in blood foretell development of preeclampsia

...preeclampsia at full term, soluble endoglin levels rose at the 25th to the 28th week of pregnancy. Similarly, soluble endoglin levels also rose in the 33rd through the 36th week of pregnancy for women who later developed gestational hypertensio...

Reef warns of sea level rise

...heets had melted significantly and that sea levels rose - before dropping by around 130 metres again as th... particular importance as it shows that sea levels rose not only because of the expansion of the oceans due to warming, which can account for ~1/2 metre of ...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

...n’s nerve cells and nerve sheaths are constituted, rose significantly. The increase of the nerve cell marker correlated with the patients performing better in a test of attention and concentration. Only one patient seemed to continue to lose some brain volume, and this was also the patient who had been an...

More kidney cancer is detected and treated early, yet death rate rises

...tes caused by kidney cancer during the time period rose dramatically, from 1.2 to 3.2 deaths per 100,000 p...hers found, the overall incidence of kidney cancer rose from 7.1 to 10.8 cases per 100,000 people in the United States, an increase of 52 percent. The large...

Dinosaurs -- stones did not help with digestion

...ntists therefore offered stones such as limestone, rose quartz and granite as food to ostriches on a German ostrich farm. After the ostriches had been slaughtered, the scientists investigated the gastric stones. It became clear that they wore out quickly in the muscular stomach and were not polished. O...

Steep oxygen decline halted first land colonization by Earth's sea creatures

...pace sciences. He notes that atmospheric oxygen rose sharply at the end of the Silurian period about 41...ulates that it took some time, until oxygen levels rose appreciably, before dinosaurs grew to their familiar gargantuan sizes. "Dinosaurs thrived and not...

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

...icture changed. Suddenly, the rats' brain activity rose as high when they received the salt water as it had when they received sugar water. The effect lasted for a while after the rats' bodies returned to normal salt levels, but soon enough it wore off. "We converted something that wasn't pleasing to s...

Salk scientists get to the root of plant cell fate

...r than being topped by a lovely, fragrant bloom, a rose mutant in the gene known as TOPLESS would be crown...plant Arabidopsis thaliana rather than the elegant rose recently determined why plants with a defective TOPLESS gene form an extra root where the shoot shou...

Arctic coring expedition continues to yield new clues

...ccurred during the PETM. Surface temperatures also rose in many places by as much as 15 degrees Fahrenheit in the (relative) geological instant of about 100,000 years. Arctic sediment samples were largely unavailable until 2004, when ACEX scientists recovered the first deep-ocean sediment samples from ...

Researchers identify human DNA on the fast track

... the team called human accelerated regions (HARs), rose to the top of the list. Surprisingly, only two of these regions code for proteins. Instead, the majority of the regions tend to be located near genes that are involved in regulating the function of genes. Furthermore, 12 of the regions are adjacent t...

Nutrition a major factor in rise in twin pregnancies

...e 1980s ?much less than occurs naturally ?but then rose in the nineties to reach 14 per 1000 by the year 2000. "As IVF techniques improved there was a steady and substantial increase in MZ twinning, but starting from a low base ?much lower than with natural conceptions", said Professor Jansen. "Our st...

Possible brain hormone may unlock mystery of hibernation

...e HPc levels dipped in blood, the putative hormone rose dramatically in cerebral spinal fluid, they reported. Likewise, HPc levels decreased abruptly in spinal fluid when hibernation terminated. The researchers also found that blocking the activity of one of the HP complex proteins in the brain with anti...

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