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Tag: "pulmonary" at biology news

Researchers track how spores break out of dormant state

...ted diseases, including botulism, gas gangrene and pulmonary anthrax,” said Alexander Malkin, senior author from LLNL’s Biosciences and Biotechnology Division. “But it’s also important to gain fundamental insights into the key events in bacterial cell development.” The researchers, including Marco Plomp, le...

Extra-aggressive form of idiopathic pulmonary fibrosis identified

Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive lung d...ally renowned expert in research and management of pulmonary fibrosis. The senior author on this paper, Dr Naftali Kaminski, who is the Director of the Simm...

Gene expression patterns predict rapid decline in idiopathic pulmonary fibrosis patients

Idiopathic pulmonary fibrosis (IPF) is a chronic lung disease typically...file has a much more rapid progression to complete pulmonary failure and death without a lung transplant. Based on observations in the clinic that some IPF pati...

Nitric oxide: Key to cardiovascular and pulmonary function and drug effectiveness

...diseases including those of the cardiovascular and pulmonary systems. If activated for a long period of time the receptors are carried into the cell and are "turned off." In animal, cellular and biochemical experiments, the researchers found that a lack of nitric oxide leads to a decrease in beta adrenergic...

Helium helps patients breathe easier

...t oxygen allowed patients with chronic obstructive pulmonary disease (COPD) to increase their exercise capacity by an average of 245 per cent. COPD is a disease of the lungs caused by smoking and includes the conditions of emphysema and chronic bronchitis. This was the first study to demonstrate that heliu...

Despite their heft, many dinosaurs had surprisingly tiny genomes

...be found only in modern birds, including feathers, pulmonary innovations, and parental care and nesting." Other researchers had previously determined that the sizes of various cell types, across species, tend to reflect the size of an organism's genome. Analyzing 26 living species, Organ and Edwards are the...

Type of stem cell found to reside in transplanted lungs

...SCs could be therapies related to heart attack and pulmonary fibrosis, Lama says. MSCs are termed progenitor...ious diseases, such as models of heart attacks and pulmonary fibrosis. The current study of MSCs included 172 bronchoalveolar lavage fluid samples collected a...

Soft-cell approach cuts animal tests

...dioxide, a lung irritant that causes inflammation, pulmonary oedema, and pneumonia; fire combustion product... respiratory system is both a site of toxicity for pulmonary toxicants, and a pathway for inhaled chemicals to reach other organs, relevant airway cells and lung...

Migration played key role in HIV spread in South Africa

...ind the relationship between marijuana smoking and pulmonary function or respiratory complications. "While ...convincing data on the effects of tobacco smoke on pulmonary clinical outcomes, the effect of marijuana smoke has been poorly understood," said Tetrault, ambulat...

Long-term marijuana smoking leads to respiratory complaints

...ind the relationship between marijuana smoking and pulmonary function or respiratory complications. "While ...convincing data on the effects of tobacco smoke on pulmonary clinical outcomes, the effect of marijuana smoke has been poorly understood," said Tetrault, ambulat...

Smoking ban dramatically reduces air pollution in Irish pubs

...els for benzene in Dublin. Among the bar staff, pulmonary function tests improved dramatically in non-smoking barmen post-ban; the workers also showed reductions in self-reported health symptoms. In addition, the non-smoking employees demonstrated significant improvements in cough and phlegm production. Mor...

New research may overturn conventional wisdom on drug-resistant tuberculosis

... TB. A major difficulty in treating patients with pulmonary TB is that the organism can become progressively resistant to standard therapy. This resistance was long thought to be acquired through mutations in the infecting strain when the treatment regimen was inadequate or the patient did not comply with it....

Monoclonal antibody reduces exacerbations in asthmatics

...t ineffective in patients with chronic obstructive pulmonary disease (COPD)," said Dr. Hansel. "Preliminary rep...e of the PEF meter for three tests. As a gauge for pulmonary function, it is especially useful in patients older than age five who have persistent moderate to se...

Proteins may predict lung transplant rejection

...nd-stage lung diseases such as chronic obstructive pulmonary disease, cystic fibrosis, pulmonary hypertension, idiopathic pulmonary fibrosis and other diseases. Patients who receive a new lung m...

Lungs try to repair damaged elastic fibers

...he lungs of patients suffering chronic obstructive pulmonary disease (COPD) attempt to repair damaged elastic fibers, a new finding that contradicts the conventional wisdom on the capabilities of the adult lung. The study "Evidence for attempted regional elastic fiber repair in severe emphysema," was done by ...

Environmental toxins may cause body's defenses to worsen lung disease

... be doing more harm than good," he says. Chronic pulmonary diseases cause irreversible damage and inflammatio... The most common of these diseases are obstructive pulmonary disease, chronic bronchitis and emphysema. When a large amount of tissue is destroyed, Borchers says...

Firefighters face increased risk for certain cancers

...says Lockey, professor of environmental health and pulmonary medicine at UC. "In addition, firefighters should meticulously wash their entire body to remove soot and other residues from fires to avoid skin exposure." ...

Key to acute lung injury lies in Ang2 protein

...ult patients and babies with acute lung damage and pulmonary edema. The team found that levels of Ang2, which i...trations in the lung causing acute lung injury and pulmonary edema." Bhandari said the study is an example of true bench-to-bedside translational research. "A...

Jefferson scientists find high glucose before surgery raises risk of dangerous complications

...eloping blood clots, deep vein thrombosis and even pulmonary embolism after surgery. Boris Mraovic, M.D., assi... of the patients with high blood sugar developed a pulmonary embolism, a life-threatening condition in which blood clots travel to the lungs, after surgery, a ra...

Antioxidant protects against lung damage in silicosis

...included 27 male patients with chronic obstructive pulmonary disease and 27 healthy male volunteers as controls. The investigators also studied a mouse model of silicosis. Silicosis results from exposure to crystalline silica in mines and foundries, at sand blasting operations and at stone, clay, and glass ...

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