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Tag: "these" at biology news

Inflammatory molecules released by pollen trigger allergies

...m plants exposed to air pollutants produce more of these allergy-provoking compounds than do pollen from un...on-allergic individuals. A better understanding of these molecules and how they work may eventually lead to new approaches to treating allergies. ...

Imaging Lymph Nodes with Nanoparticles

...ogies such asmagnetic resonance imaging (MRI). All these methods have problems; someare very invasive, othe...ne,Ralph Weissleder and colleagues described using these nanoparticles toassess lymphoid spread in patients with prostate cancer. Now, in apaper published in...

“Nano-scissors?laser shows precise surgical capability

...loped a method of laser-assistedsurgery to work on these little beasts, being able to section a singleaxon (the "arms" of a neuron) with great precision : Anultra-short pulse laser that can perform extremely precise surgery ontiny roundworms may be the key to understanding nerve regeneration andis an impo...

U-M scientist to talk about tissue engineering at AAAS

...ing. Parathyroid hormone stimulates bone growth in these patients, and Krebsbach sees potential to use it f...gineering also can ramp up the effects. "Together these therapies can overcome compromised environments," he said. "Combining therapies can help us overcome...

Breakthrough Microarray-based Technology for the Study of Cancer

...osome toanother, as cancer develops. Understanding these changes is key tounderstanding cancer progression ...orts inrecent years to use microarrays to overcome these limitations have beenhampered by inadequate sensitivity, specificity and flexibility of themicroarra...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

...ponse to iron deprivation. The function of many of these genes isunknown, meaning that side effects from ir...chineryof more than 80 different genes and targets these molecules, calledmessenger RNA, to be destroyed or degraded. Without messenger RNA, agene cannot tra...

Learning to fight an adversary that won't stay down

...cular biology techniques have shown just how adept these pathogens are at adapting to anything we can throw...ond the newspaper headlines reporting outbreaks of these "superbugs," so that we can put the role of these organisms in the proper evolutionary perspective. ...

Scientists find missing enzyme for tuberculosis iron scavenging pathway

...nction is the same or similar." Rv1347c is one of these annotated antibiotic resistance genes in M. tuberculosis. It encodes a putative aminoglycoside N-acetyltransferase that is thought to be involved in resistance to aminoglycoside antibiotics such as streptomycin. "The aminoglycoside antibiotics have ...

Found: Missing sequence of the human Y chromosome

...tively active genes, further functional testing of these genes mayreveal insights into the genetic basis for stature and gonadoblastoma....

U of M researcher examines newly emerging deadly disease

...purpura fulminans and toxic shock syndrome seen in these patients resulted from massive cytokine release induced by the S. aureus strains. ...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...oshkes Reiss, the study's senior author. "However, these findings show the redundancy of the immune system--when one response fails to fight infection, others step in." The study was also conducted at NYU, by a post-doctoral fellow, Mark Trottier, Jr., PhD, now at Michigan State, and Beth Palian, currentl...

Study finds more than one-third of human genome regulated by RNA

...croRNAs andprotein-coding genes that are common to these five species, the teamlooked for correspondence be...nes. They discovered that regulation of a third of these genes hasbeen preserved since the last common ancestor of mammals and chicken,which lived 310 millio...

Marburg virus disease in Angola - update

...es and 117 deaths in Cabinda, Luanda and Uige. All these cases had originated in Uige Province. Ten of these cases have been laboratory confirmed by the Centers for Disease Control and Prevention (CDC), Atlant...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

...ng an experimental rehabilitative intervention for these patients is very exciting." ...

The secret lives of whales

... will share their latest discoveries emerging from these high tech ventures, using DNA sequences, deep-sea ...re,?says Palumbi, “especially for populations like these whales that have figured out how to dodge the effects of climate change.?/p> Undertakers in the ...

NYU researchers simulate molecular biological clock

...croRNAs andprotein-coding genes that are common to these five species, the teamlooked for correspondence be...nes. They discovered that regulation of a third of these genes hasbeen preserved since the last common ancestor of mammals and chicken,which lived 310 millio...

Mitochondrial DNA mutations play significant role in prostate cancer

...ut without the disease mutation. They theninjected these modified prostate cancer cells into mice to assess... cancer, the investigators noted thatmen harboring these mutations are at increased risk for developingprostate cancer."We believe this study provides convin...

Gene therapy converts dead bone graft to new, living tissue

...d bone. He then modified a harmless virus to carry these genes, devised a method of freeze-drying a paste containing the virus so it could be easily handled, and painted it directly onto a bone graft during surgery. Numerous tests in mice confirmed that the virus permeated the inflammatory tissue around t...

Researchers reveal the infectious impact of salmon farms on wild salmon

...hen they encounter a farm," says Krkosek. "Some of these fish are so young their egg sacks haven't been fully absorbed ?even fish this small are infected." The anchored farms, open cages of closely packed salmon, are aquatic feedlots providing the ideal conditions for the breeding and spread of sea lice a...

Molecular machine may lead to new drugs to combat human diseases

...ients. Purdue University researchers froze one of these molecular machines, which are chemical complexes k...ntrons a potential target for therapeutics against these diseases by using a strategy called targeted trans-splicing in which introns are manipulated to cut ...

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