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Tag: "loss" at biology news

DNA Molecules Used To Assemble Nanoparticles

...o to three months per synthesis, and a significant loss of yield for each step, that approach just wouldn't be practical. Instead, the Baker group will create a library of single-functional dendrimers that can be synthesized in parallel, rather than sequentially, and then linked together in many differen...

Spleen may be source of versatile stem cells

...duction of Hox11."We know that if you have a major loss of blood, the spleen is turnedon to supplement the bone marrow in replenishing your blood supply. Wemay find that the spleen kicks in to help with many more biologicalemergencies. What has been considered a practically unnecessary organmay actually p...

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

...d others have already noted an association between loss of imprinting of IGF2 and colon cancer in people, ... experiments were designed to find out whether the loss of imprinting is involved in cancer's development or just in its progression. "Most researchers, in...

New binding target for oncogenic viral protein

...rging tumor suppressor and the consequences of its loss in tumors," Dr. Welcker emphasized. "The study of DNA tumors viruses has been an extremely important tool in understanding the cellular pathways that regulate cell division and are disrupted in cancer. Understanding the mechanisms through which thes...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

... have beenknown to have a 30 percent to 50 percent loss of these receptors “Ifthere is a gradual loss of these receptors over time, Nifrolidine couldbe a potential marker for early diagnosis of Alzheime...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...its metabolism," says Loftus, citing the protist's loss of some genes and its apparent gain of other bacterial-like genes through lateral transfer. "This study will provoke interest in what secrets may lie undiscovered in the sequences of other supposedly 'simple' amoeba genomes." Named for its effective...

Bound for destruction: Ubiquitination protects against improper Notch signaling

...nthe nicked wing phenotype characteristic of Notch loss of function andin reductions of the total amount of the Notch intracellular domain inthe cytoplasm of treated cells. Taken together, these results suggestedthat Nedd4 works as an antagonist of Notch signaling at an early stage,prior to the proteolyti...

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

...ndness develops, usually in childhood, followed by loss of peripheral visual field, progressing over many years to tunnel vision and finally blindness. At Emory Eye Center retina specialists Thomas M. Aaberg, Sr. and Jiong Yan performed the surgery recently on five patients. Another two patients are plan...

The secret lives of whales

...says Palumbi. “Ice ages, sea level change and even loss of local food sources did not interrupt their lives. Living in a fluid environment they could move to new areas of productivity and find food even as the climate around them changed.?/p> Palumbi compares the ability to read genes to counting the ...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

...lar strategy to help theaging population cope with loss of vision,?says Gilmore.“Secondly, this discovery will help us to develop new ways to treatinfections that are resistant to antibiotics, making them less severe.Based on an understanding of how this toxin system works, we hope todevelop toxin inhibit...

Scientists discover the cellular roots of graying hair

...ially deadlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult ste...e gradually than did the mice that had noBcl2. The loss of MITF activity, the investigators say, appears to beimplicated in the mistaken differentiation of ...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

...ially deadlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult ste...e gradually than did the mice that had noBcl2. The loss of MITF activity, the investigators say, appears to beimplicated in the mistaken differentiation of ...

Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.

...ially deadlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult ste...e gradually than did the mice that had noBcl2. The loss of MITF activity, the investigators say, appears to beimplicated in the mistaken differentiation of ...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...are (1) such discontinuous breathing reduces water loss and (2) it enables insects to rid their bodies of carbon dioxide, respiration's byproduct, when the insects are underground. As is true for miners, insects, while underground, are faced with high-carbon-dioxide and low-oxygen amounts, necessitating a...

TEL2 gene cooperates with MYC gene to provoke B-cell lymphomas

...lete elimination of the apoptotic response through loss of p53 function," Grosveld said. "In fact, all TEL2/MYC B-cell lymphomas had lost their p53 function." Grosveld's team found that this sequence of events modeled in the mouse also occurs in human lymphoma patients. Combined elevated TEL2 and MYC exp...

South America's vast pantanal wetland may become next everglades, UNU experts warn

... tourism and over-fishing." Dr. Teixeira says the loss of traditional cattle farming is facilitating fire in the dry season. Without cattle to eat or step on the grass, it gets dry and more easily burns, leading to more frequent fires which destroy flood-adapted trees, in which aquatic birds nest, while ...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...eth and gums. It’s also the leading cause of tooth loss ?secreting proteins that destroy the soft tissues and bone that support teeth to cause periodontal disease. Now scientists have identified the thousands of proteins the bacterium produces, shedding light on how it interacts with healthy cells in ord...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...ny unpleasant side effects, including nausea, hair loss and infections. Follicular lymphoma is the second...everal weeks after the treatment. There is no hair loss and nausea is rare. Results from this study are even more promising than results using Bexxar after...

In the migratory marathon, parasitized monarchs drop out early

... year-round residents that do not migrate. Habitat loss at overwintering sites and climate warming trends, combined with an increase of tropical milkweed species in milder climates, could ultimately replace the large migratory populations with smaller remnants that breed year-round and do not migrate. St...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...chips in the eyes of five patients to treat vision loss caused by retinitis pigmentosa (RP). The implant i...s the retina seems a logical step in replacing the loss of photoreceptor cells of the retina. If the implant is tolerated well and is able to successfully s...

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