Urine in Biological News

A urine test for appendicitis?

... Boston demonstrate that a protein detectable in urine might serve as a "biomarker" for appendicitis. ... to date. In the first phase, they examined 12 urine specimens 6 from patients with appendicitis, ... of the test performance. Seven promising urine biomarkers were identified. The best of them was ...

American Chemical Society's Weekly PressPac -- Jan. 28, 2009

... ARTICLE #2 FOR IMMEDIATE RELEASE Toward a urine test for diagnosing heart disease Journal of ... are reporting an advance toward the first urine test for diagnosing coronary artery disease ... more convenient test, the scientists collected urine samples from a group of 67 patients 41 with CAD ...

Cutting salt isn't the only way to reduce blood pressure

... the ratio of sodium-to-potassium in subjects' urine was a much stronger predictor of cardiovascular ... Hypertension Prevention. They collected 24-hour urine samples intermittently during an 18-month period ... Those with the highest sodium levels in their urine were 20 percent more likely to suffer strokes, ...

Forsyth scientist receives major grant to support rapid, accurate, affordable test for tuberculosis

... of the TB antigens that are excreted in the urine by a TB-infected patient. What is so exciting ... already detected molecules produced by TB in the urine of infected mice and humans. Establishing a test ... enabling the immediate initiation of treatment urine is a far easier sample to collect and, unlike ...

American Chemical Society's Weekly PressPac -- Sept. 3, 2008

... access to an array of products purported to alter urine samples to hide evidence of marijuana, cocaine, ... can identify tell-tale chemical signs of diluted urine samples or quickly detect the presence of ... could indentify illicit drugs more reliably than urine samples alone, the article notes. ARTICLE #5 ...

Pregnant mice block out unwelcome admirers to protect their pups

... pups. Because the smell of a strange male's urine can cause miscarriage and reactivate the ... pregnant mouse to the smell of an alien male's urine prevents the implantation of her embryos into the ... pregnancy, however, the smell of an alien male's urine no longer affects pregnancy. At this stage the ...

New, noninvasive prostate cancer test beats PSA in detecting prostate cancer

... Cancer Research. The researchers say a simple urine test that screens for the presence of four ... cancer subtypes. Researchers collected urine samples from 234 men with rising PSA levels ... 96 patients were cancer-free. Correlating the urine biomarker test results with the biopsy data, ...

Mayo Clinic Proceedings January tip sheet

... has become widespread during the past decade. urine drug screens have been the most common method for ... up-to-date information about proper evaluation of urine drug screens. The authors also examine the ... antidepressants) and they discuss how to evaluate urine drug screens for adulterations, substitutions and ...

Bacteria that cause urinary tract infections invade bladder cells

... that prevents toxins and other things in your urine from leaking back into the body," notes David ... human infections, Rosen led an analysis of human urine samples sent from a clinic at the University of ... UTIs. Neither indicator was detected in urine from women who did not have active infections. ...

Piddling fish face off threat of competition

... urine. They increase urination, have smellier urine and store more in their bladders than less ... behaviourists have known for some time that the urine of freshwater fish is a vehicle for reproductive ... Now, this research sheds light on the role of urine in influencing members of the same sex. Few ...

Researchers' discovery may lead to hypertension treatment

... new technique and identified a hormone from human urine -- a xanthurenic-acid derivative -- that seems ... tried to find such a hormone in human urine, but urine contains a mix of hundreds of molecules, and the ... synthesized and injected into rats. The rats' urine was then monitored. Two of the identified ...

American Chemical Society's Weekly PressPac -- Oct. 3, 2007

... ARTICLE #3 FOR IMMEDIATE RELEASE Human urine as a safe, inexpensive fertilizer for food crops ... organic -- human urine. Their report on use of urine to fertilize cabbage crops is scheduled for the ... publication. Despite the 'yuk!' factor, urine from healthy individuals is virtually sterile, ...

Gene determines whether male body odor smells pleasant

... To many, urine smells like urine and vanilla smells like vanilla. But ... odor from androstenone, usually that of stale urine or strong sweat, others find the scent sweet and ...

Chemicals in common consumer products may play a role in pre-term births

... have, on average, up to three times the phthalate level in their urine compared to women who carry to term. Professors John Meeker, Rita ... prematurely (defined as less than 37 weeks gestation). They analyzed urine samples collected during the third trimester and compared them to the ...

Study finds novel genetic risk factors for kidney disease

... UMOD gene, produces Tamm-Horsfall protein, the most common protein in the urine of healthy individuals. Although the Tamm-Horsfall protein has been known ... including the need for developing methods to measure levels in urine or blood," said Josef Coresh, MD, PhD, MHS, professor in the Johns Hopkins ...

System that regulates blood pressure is amiss in some healthy, young blacks

... natural mechanism designed to bring it down by excreting more salt in the urine doesn't work well in about one-third of healthy, black adolescents, ... controlled diets for two weeks. Researchers took blood pressure, urine and blood samples as participants rested for two hours, played video games ...

Molecular fingerprints point the way to earlier cancer diagnosis and more targeted treatment

... College of Georgia Cancer Center, wants those screens of the blood or urine to also detect early signs of cancers such as leukemia, bladder, kidney ... then help monitor success of treatment. These early studies indicate a urine test may one day be possible to do just that. He and colleagues at the ...

Is it really only our kidneys that control blood pressure?

... to fall. But special nerve pathways mean the brain can also regulate urine production and hence influence blood pressure. So which organ is really in ... blood volume is the key, as the kidney automatically makes more urine as blood pressure increases. However, Osborn and colleagues remind us ...

Household exposure to toxic chemicals lurks unrecognized, researchers find

... they learn about chemicals from everyday products that are detectable in urine samples and the household dust collecting under the sofa." Though some ... Study (HES), which tested for 89 environmental pollutants in air, dust and urine samples from 120 Cape Cod households. The study found about 20 target ...

Pollution at home lurks unrecognized, instead attributed to large-scale environmental disasters

... they learn about chemicals from everyday products that are detectable in urine samples and the household dust collecting under the sofa." Though some ... Study (HES), which tested for 89 environmental pollutants in air, dust and urine samples from 120 Cape Cod households. The study found about 20 target ...

Birth control has long-term effect on hormone exposure

... of estrogen in the blood and the amount of estrogen being excreted in urine are lowered with past oral contraceptive use, which may mean that the oral ... groups to evaluate the effects of soy on hormone metabolism. urine samples were collected from each monkey during the 35th and 36th months of ...

Link possible between pet food contamination and baby formula contamination

... complex. This complex forms in the tubules of the kidney, blocking urine flow and causing renal failure. The research in the paper was done in ... acid complex is soluble in acid, suggesting that acidification of the urine in the distal tubules of the kidney may be a reasonable treatment option. ...

Your baby's brain on drugs (and alcohol and tobacco)

... Prenatal exposures were confirmed by a combination of maternal history, urine testing of the mother or urine or meconium (stool) testing of the infants at birth. We found that ...

Taking the fight against cancer to heart

... it is produced in the atrium of the heart and stimulates the production of urine and the excretion of sodium. Vesely later discovered three more ... called them: Long acting natriuretic peptide, which also stimulates urine production and sodium excretion. Vessel dilator which opens the blood ...

American Chemical Society's Weekly PressPac - Oct. 10, 2007

... In laboratory studies, the researchers used it to analyze fresh urine samples for the presence of tiny amounts of seven different anabolic ... ARTICLE #1 FOR IMMEDIATE RELEASE Rapid Screening of Anabolic Steroids in urine by Reactive Desorption Electrospray Ionization DOWNLOAD PDF ...

Study finds environmental tests help predict hospital-acquired Legionnaires' disease risk

... the two-year period. When cases of Legionnaires were identified, patient urine and sputum samples from 12 of the hospitals were tested to determine ... cases were among the 633 patients with hospital-acquired pneumonia whose urine or sputum samples were tested for Legionella bacteria. All were traced to ...

Bladder cells feel stretch

... in the Journal of Biological Chemistry published on Aug 7, 2009. Bladder is known to release ATP that activates micturition reflex pathway during urine storage. However, it has been unknown how urothelial cells sense bladder distension. The research group examined the function of 'TRPV4' protein ...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

... colon, breast, brain and lymphatic cells and their cancerous counterpart to find telltale patterns that could one day be detected in the blood, urine or feces. The patterns could give patients a heads up that lifestyle changes, or more severe intervention, is in order, says Dr. Kapil Bhalla, ...

Newly discovered gene fusion may lead to improved prostate cancer diagnosis

... licensed this technology and is currently working with Dr. Rubin, and his collaborator Dr. Arul Chinnaiyan at the University of Michigan, to develop urine tests to screen for gene fusions as a means of improving upon the current standard PSA test. Dr. Rubin, working in collaboration with Dr. ...

Proteins in gel

... very thin, substances added from the outside very quickly reach the protein which is in and on this layer. For example, physicians can put blood or urine on the chip and diagnose illnesses. The research scientists have already developed the process fundamentals. Protein biochips could therefore become ...

American Chemical Society weekly presspac -- June 10, 2009

... Their report is in the current issue of ACS Nano , a monthly journal. In the new study, Hossam Haick and colleagues point out that the blood and urine tests now used to diagnose CRF can be inaccurate and may come out "normal" even when patients have lost 75 percent of their kidney function. The most ...

Knock-out drugs: Narrow window for detection

... for a maximum of 24 hours and liquid ecstasy for only 8 hours. For this reason, if the administration of knock-out drugs is suspected, 100 mL urine and at least 10 mL blood should be taken as quickly as possible. If the interval between the incident and the medical examination is longer, a hair ...

Resilin springs simplify the control of crustacean limb movements

... that the gills need cleaning. Second, as an active communication and signaling mechanism; the currents created distribute odor molecules in the urine released into them and act as a signal to other animals, particularly of their own species. Burrows suggests that the use of resilin springs can ...

MCG researcher among first to receive NIH stimulus funding

... cocaine can affect organ function, but the specific effect on renal function has not been well-established," Dr. NeSmith says. She will compare urine levels of microalbuminuria, a biomarker for early renal disease, in a group of cocaine-dependent African-Americans to a control group who don't use ...

New human study reinforces antioxidant benefits of tart cherries

... years, were randomly assigned to eat either one and a half cups or three cups of frozen tart cherries. Researchers analyzed participants' blood and urine at regular intervals after they ate the cherries and found increased antioxidant activity for up to 12 hours after eating cherries. "This study ...

Newly discovered epidermal growth factor receptor active in human pancreatic cancers

... work in his Hopkins laboratory is promising in terms of both a new treatment for a large subset of pancreatic cancers and a potential blood or urine screening tool that might eventually do for pancreatic cancer detection what biomarkers like prostate-specific antigen levels have done for prostate ...

Tips from the American Journal of Pathology

... Negishi et al examined whether levels of urinary L-type fatty acid-binding protein (L-FABP), a protein found in the kidney that is secreted in the urine upon kidney injury, could be used to monitor acute kidney injury. Levels of L-FABP correlated with the level of acute kidney injury at significantly ...

Diabetics on high-fiber diets might need extra calcium, report UT Southwestern researchers

... Researchers at UT Southwestern Medical Center report that patients with noninsulin-dependent diabetes (type 2) excreted less calcium through their urine when they consumed 50 grams of fiber a day than when they ate 24 grams a day. Excreting less calcium indicates that they absorbed less of the ....

Updated formula measures kidney function more accurately

... is well-correlated with kidney function. These factors can be quickly and easily measured in a clinical setting without the need for radioactivity or urine collection. "Clinicians can easily specify the gender and height of a child during a regular clinical visit. A basic chemistry panel on a very ...

Researchers may have found why women have an edge on salt-sensitive hypertension

... says estrogen seems to drive the beneficial action of the ETA receptor. Additionally, researchers found stimulation of the ETB receptor increased urine output and sodium excretion in both sexes, suggesting that it was not a player in the differing responses between males and females. "According to ...