News tagged with nature cell biology
Cross-country runabouts -- immune cells on the move
Nov 17, 2009 |
not rated yet |
0
(PhysOrg.com) -- In order to effectively fight pathogens, even at remote areas of the human body, immune cells have to move quickly and in a flexible manner.
Study shows that some malignant tumors can be shut down after all
Nov 09, 2009 |
5 / 5 (8) |
1
Oncologists have had their hands tied because more than half of all human cancers have mutations that disable a protein called p53. As a critical anti-cancer watchdog, p53 masterminds several cancer-fighting operations within ...
Cell death occurs in the same way in plants, animals and humans
Oct 13, 2009 |
5 / 5 (2) |
0
Research has previously assumed that animals and plants developed different genetic programs for cell death. Now an international constellation of research teams, including one at the Swedish University of ...
Researcher solves mystery about proteins that package the genome
Oct 07, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- A Florida State University College of Medicine researcher has solved a century-old mystery about proteins that play a vital role in the transfer of the human genetic code from one cell to ...
Researchers identify gene that regulates breast cancer metastasis
Oct 05, 2009 |
5 / 5 (1) |
0
Researchers at The Wistar Institute have identified a key gene (KLF17) involved in the spread of breast cancer throughout the body. They also demonstrated that expression of KLF17 together with another gene (Id1) known to ...
Study finds new way deadly food-borne bacteria spread
Sep 21, 2009 |
3.3 / 5 (3) |
0
University of Central Florida Microbiology Professor Keith Ireton has uncovered a previously unknown mechanism that plays an important role in the spread of a deadly food-borne bacterium.
Plants on Steroids: Key Missing Link Discovered
Sep 08, 2009 |
5 / 5 (2) |
1
(PhysOrg.com) -- Researchers at the Carnegie Institution's Department of Plant Biology have discovered a key missing link in the so-called signaling pathway for plant steroid hormones (brassinosteroids). Many important signaling ...
Hormones found to affect gene activity
Aug 19, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- Intermittent signaling by steroid hormones can affect the way genes are expressed in rodents, according to research by scientists at the University of Bristol and the National Cancer Institute ...
Researchers propose model for disorders caused by improper transmission of chromosomes
Aug 16, 2009 |
4.3 / 5 (3) |
0
Parents of healthy newborns often remark on the miracle of life. The joining of egg and sperm to create such delightful creatures can seem dazzlingly beautiful if the chromosome information from each parent has been translated ...
New research shows key player in mitosis not required for chromosome alignment
Jul 06, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- K-fibers, structures long thought to play a key role in the alignment of chromosomes prior to cell division, are not required after all, say Indiana University and New York State Department ...
Portuguese scientists working on chromosome segregation
Jul 01, 2009 |
not rated yet |
0
Lars Jansen's work on the formation of the centromere, a key cellular structure in powering and controlling chromosome segregation and accurate cell division, has just earned him a paper in Nature Cell Bi ...
Neural stem cell differentiation factor discovered
Jun 30, 2009 |
4 / 5 (1) |
1
Neural stem cells represent the cellular backup of our brain. These cells are capable of self-renewal to form new stem cells or differentiate into neurons, astrocytes or oligodendrocytes. Astrocytes have supportive functions ...
BRIT1 allows DNA repair teams access to damaged sites
Jun 19, 2009 |
5 / 5 (2) |
0
Like a mechanic popping the hood of a car to get at a faulty engine, a tumor-suppressing protein allows cellular repair mechanisms to pounce on damaged DNA by overcoming a barrier to DNA access.
Key protein regulating inflammation may prove relevant to controlling sepsis
May 14, 2009 |
5 / 5 (1) |
0
Scientists at Singapore's Institute of Molecular and Cell Biology (IMCB), under the Agency for Science, Technology and Research (A*STAR), have identified the protein, WIP1, as the molecular "brake" that curbs severe inflammation ...
How tumor cells move
Apr 08, 2009 |
5 / 5 (1) |
0
If cancer cells lack a certain protein, it could be much easier for them to penetrate healthy body tissue, the first step towards forming metastases. Scientists at the Pharmacology Institute of the University of Heidelberg ...
