Tag: "lesions" at biology news

New bacterium discovered -- related to cause of trench fever

... Koehler recalls. They can cause extremely painful lesions and tumors of blood vessels on the skin of immunocompromised patients. But when I saw this patient, this type of infection had never been seen at UCSF, and the bacterium causing the infection was unknown. Koehlers group went on to discover that t...

Agonized death throes probable cause of open-mouthed, head-back pose of many dino fossils

...losaurus, a T rex-like animal, that displayed bone lesions suggestive of a bacterial infection that also can lead to meningitis, a disease that can produce opithotonus. The authors point out that their explanation of the opisthotonic posture in dinosaurs and other animals provides a way to assess the role pl...

Lancet study shows gene therapy for Parkinson's disease is safe and some patients benefit

... the disease. Decades ago, surgeons began to make lesions in parts of the brain involved in the disease, which lessened symptoms. Fetal stem cell surgery was pioneered in Parkinson's patients. And in the past decade, the deep brain stimulation has worked in as many as 70 percent of patients who have opted f...

Scientists discover role of enzyme in DNA repair

...damaged DNA. Casellas hypothesized that once DNA lesions were generated, a regulatory activity would shut d...been damaged. While it was possible that the DNA lesions themselves physically interfered with transcription, the authors hypothesized that repair enzymes re...

New approaches to endometriosis treatment -- mouse experiments point the way

...tists found that the blood vessel formation in the lesions was significantly decreased. The percentage of n...ells growing in the endometrial area, and the area lesions were totally different, suggesting that there was inhibition of blood vessel replacement in the trea...

Health Physics Society

...xiety. In this new combined approach, any suspect lesions can be studied with MRS, with no need for an invasive biopsy. Spectroscopy can be used to test for any number of chemical compounds. In this case, it is measuring the amount of choline in suspect lesions. Elevated levels of choline are a strong indic...

Study examines cause of hearing loss for patients with certain genetic disease

... tumors in the retina of the eye and in the brain; lesions and cysts can also develop in other parts of the body). ELSTs are associated with significant dysfunction of hearing and balance, including sudden irreversible hearing loss. The mechanisms and appropriate treatments for this disorder are not well un...

Mild stress in the womb may worsen risk of cerebral palsy

... would make the offspring more vulnerable to brain lesions similar to those observed in children with cerebra... offspring born from stressed mothers showed brain lesions about twice as big as those in offspring of unstressed mothers. Determining the impact of gestati...

Kaposi sarcoma arises independently from multiple cells

...t is also not known if the clonal [Kaposi sarcoma] lesions identified in this study were more aggressive and less likely to respond to therapy, Gill writes....

Air pollution link to clogged arteries

... inflammation, which can in turn lead to increased lesions in the clogged arteries, potentially giving rise to blood clots that trigger heart attack or stroke. These findings bring us closer to understanding the impact our environment has on our health....

COX-2 inhibitors delay pancreatic cancer precursors in mice

... delays the progression of precancerous pancreatic lesions in mice, according to researchers at David Geffen ...pancreatic cancer arises from abnormal tissues, or lesions in the pancreas, known as pancreatic intraepithelial neoplasias (PanINs). By stalling the growth of ...

Marijuana component opens the door for virus that causes Kaposi's sarcoma

...he cell to reproduce, causing Kaposis sarcoma-like lesions in mice. Indeed, the researchers saw that THC induced the infected cells to reproduce and form colonies in culture. Here we see both infection and malignancy going on in the presence of THC, offering some serious concerns about the safety of THC a...

Link identified between Alzheimer's disease and glaucoma

... beta-amyloid, which causes the so-called "plaque" lesions in the brains of Alzheimer's patients, also leads to nerve cell death in the retina. The research is published online today in the journal Proceedings of the National Academy of Sciences of the USA. "We've seen for the first time that there is a cl...

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