Tag: "nodes" at biology news
AFCYBER holds science and technology symposium
... our Airmen, as Cyber warriors, to defend critical nodes
inside and outside of the United States against all forms of cyber attacks, General Elder said....
Weizmann Institute scientists discover a control mechanism for metastasis
...ere associated with cancer metastasis to the lymph nodes
the first station of migrating cancer cells as they spread to other parts of the body. In another experiment, the scientists examined the effects of drugs that block the growth factor receptors on the cell walls. In patients who received these dr...
Tumor painting revolutionizes fight against cancer
...s. It is also useful in identifying positive lymph nodes
which could mean a significant advancement for breast, prostate and testicular cancers. ...
Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer
The number of lymph nodes
that contain evidence of cancer is the best predic...kes into account tumour size, involvement of lymph nodes
(nodal status), and presence or absence of metastases. The study group consisted of all patients ...
Kaposi sarcoma arises independently from multiple cells
...s the disease progresses, it can move to the lymph nodes
and internal organs as well. Renan Duprez, Ph.D., of the Institut Pasteur in Paris and colleagues performed the largest study to date on the origins of advanced Kaposi sarcoma. Biopsies from 98 Kaposi sarcoma patients were analyzed using molecular...
Weizmann scientists discover a new line of communication between nervous system cells
... down the myelin sheath in segments, leaving small nodes
of exposed nerve in between. More than just protection for the delicate axons, the myelin covering allows nerve signals to jump instantaneously between nodes, making the transfer of these signals quick and efficient. When myelin is missing or damage...
How 'memory' T cells curb the spread of viruses throughout the body
...cademy of Science Online Early Edition shows lymph nodes
are not just organs where immune cells reside and ... CD8 T cells needed first to multiply in the lymph nodes
and then migrate through the blood to kill infected cells at the site where the virus entered the bo...
New bacterium discovered -- related to cause of trench fever
...ch disease, an infection that causes swollen lymph nodes
and fever after a cat scratches its owner or an unlucky visitor. They were again surprised to find that this microbe is the second Bartonella species to cause infection in AIDS patients. Like trench fever, cat scratch disease had been described i...
A close-up on pancreatic disease: How do we improve the odds?
...he edge of the tissues removed) and positive lymph nodes
(in which cells have spread beyond the immediate tissue to nearby nodes
or glands), which indicate poorer survival rates. The study investigated EUS and CT accuracy in pre...
Ocean observing contracts awarded to UC San Diego and University of Washington
... A final award for the coastal and global scale nodes
of the OOI is expected in August 2007....
Short chromosomes put cancer cells in forced rest
... closer look showed microtumors in the mices lymph nodes
that had begun the road to cancer, but stopped, falling instead into a state of senescence. "They dont die, they dont divide, they just sit there in permanent rest," says Greider. Greider, who won the Lasker Award in 2006 for her discovery of telom...
Robust time estimation reconciles views of the antiquity of placental mammals
...ergence times remain uncertain. The age of earlier nodes
and in particular the root, remain especially uncertain in the absence of definitive placental fossils deeper into the Cretaceous. Both paleontological and morphological studies suggest that the radiation of placental orders and super orders occurred...
Progress against sarcoma
... often metastasizes, spreading to the lungs, lymph nodes
and bone marrow. Even though it most often strikes young adults and adolescents, the most famous synovial sarcoma patient probably was actor Robert Ulrich star of such TV shows as Spenser for Hire, Vega$ and Soap who died of the cancer at age 55...
...just seals. They appear to act as highly connected nodes
of communication between the inside and outside of the cell, enabling the cell to adjust its activity according to the condition of the bone underneath."...
JCI table of contents: March 15, 2007
...icle.php?id=29919 IMMUNOLOGY: Artificial lymph nodes
as good as real ones Immune responses are initi... have established that structures resembling lymph nodes
(artificial lymph nodes; aLNs) can be generated in mice by implanting in them a biocompatible scaffo...
Improved imaging for identifying breast cancer in overweight women
...ity to identify sentinel nodesthe very first lymph nodes
that trap cancer cells draining away from a breast...cal Center in Israel. Failure to identify sentinel nodes
is more frequent in overweight or obese patients, and improved techniques are needed to guide surgeo...
Genesearch Breast Lymph Node assay detects breast cancer metastases with greater sensitivity
...t can assess breast cancer metastasis in the lymph nodes
rapidly and with greater overall sensitivity than ...nts across 11 clinical trial sites, sentinel lymph nodes
were tested using the GeneSearch BLN Assay and current methods for assessing nodal tissue during sur...
Researchers find two biomarkers with potential to predict breast cancer spread
...p of 65 patients, compared to an analysis of lymph nodes
and outcomes. If the predictive and diagnostic ... from undergoing a second surgery to collect lymph nodes
for analysis, the researchers say. "We want to be able to predict, at the earliest stages, if a tu...
Spelling out cancer on the nanoscale
...s of MYC, BCL2, ERK, and AKT proteins in the lymph nodes
obtained from patients with Burkitts, mantle cell, or follicular lymphoma. The nano-fluidic system reported that MYC was overexpressed in Burkitts, while BCL2 was overexpressed in mantle cell and follicular lymphoma patients. In parallel, traditional...
Unique estrogen receptor linked to metastatic breast cancer
...0 and if breast cancer cells had invaded the lymph nodes
of a patient. "Further research is needed to determine if there is a relationship between GPR30 and lymph node invasion," says Filardo. "Given that tumor size and lymph node invasion are well-known predictors of metastases, future studies will focus...
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