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Centrosome in Medical News

New advances in cancer research to be highlighted at University of Leicester

...ticular structure that lies at the heart of each and every cell, called the centrosome (standing for "central body"), and how centrosome defects contribute to cancer progression Examination of the cell biolog...

CSHL scientists discover link between control of chromosome duplication and segregation

...elves at opposite ends of the dividing cell. Each centrosome serves as an anchor for a spindle, a complex struc... filament-like tubules that radiates out from each centrosome and connects with special sites called centromeres...cells. It's crucial that cells duplicate their centrosome only once during each division cycle. Extra copies...

UMass Medical School receives $300,000 from JDRF and Iacocca Foundation

...oimmune diabetes Stephen J. Doxsey, PhD, professor of molecular medicine, biochemistry & molecular pharmacology and cell biologyThe novel role of centrosome proteins in insulin secretion and cellular stress Dale L. Greiner, PhD, professor of medicineThe role of ER stress in islet transplantation ...

UMass Consortium awarded $300,000 from Juvenile Diabetes Research Foundation and Iacocca Foundation

...toimmune diabetes Stephen J. Doxsey, PhD, professor of molecular medicine, biochemistry & molecular pharmacology and cell biologyThe novel role of centrosome proteins in insulin secretion and cellular stress Dale L. Greiner, PhD, professor of medicineThe role of ER stress in islet transplantation G...

'Network' approach identifies potential breast cancer susceptibility gene

... Women's Hospital provided additional evidence of a tie between HMMR and BRCA1. He showed that cells without either gene are apt to have problems with centrosome formation. Hill and Cusick noted that the newfound connection between HMMR abnormalities and breast cancer does not mean it is an inherited breast ...

Research in the Origin of Microtubules

... at a structure near the cell's nucleus called the centrosome or microtubule-organizing center (MTOC). From...can originate from non-centrosomal structures, the centrosome has been considered the main origination point for...t precisely, it is hard to distinguish between the centrosome and Golgi." To get a close look, Kaverina and...

Missing Protein In Cancer Development

...f centrosomes under control, and that extra centrosomes result when this transcription factor is missing. The consequences are severe for a cell whose centrosome duplication is disrupted. The cells in many human tumors have too many centrosomes. This proliferation of centrosomes may be key in the progression of...
Centrosome in Medical Technology

Cytokinetics Announces Non-clinical Data to be Presented at the 2007 AACR Annual Meeting

...luating ispinesib, a novel inhibitor of Kinesin Spindle Protein (KSP), in models of multiple myeloma, data evaluating GSK-923295, a novel inhibitor of centrosome associated protein E (CENP-E) in both biochemical assays and in xenograft models and data from a separate, novel Cytokinetics' cell-based drug discove...
Centrosome in Biological News

The cooperative view: New evidence suggests a symbiogenetic origin for the centrosome

MBL, WOODS HOLE, MA There are two ways in which cooperation is the theme of a paper published this week by Mark Alliegro and Mary Anne Alliegro, scientists at the Marine Biological Laboratorys (MBL) Josephine Bay Paul Center. One is revealed in the papers acknowledgements, where the Alliegros...

RNA found in the cellular centrosome of surf clams

Researchers at Rensselaer Polytechnic Institute, the Marine Biological Laboratory (MBL) in Woods Hole and Louisiana State University (LSU) Health Sciences Center have discovered the presence of the genetic material RNA in the centrosome, the organizing structure inside each cell that assures proper...

Vanderbilt scientists invent world's smallest periscopes

...n cells because it can follow them in three dimensions," says Janetopoulos. Researchers in his lab have used the wells to track the 3D position of the centrosome the specialized region of a cell next to the nucleus that is the assembly point where the microscopic polymer tubes that serve as part of the cell's ...

How do cells count?

...st, two centrosomes. Whenever a cell divides, each centrosome gives rise to a single daughter centrosome, inheri...called Slimb. In the absence of Slimb, each mother centrosome can give rise to several daughters in one go, lead...as produced several important findings relating to centrosome control: they identified another molecule, SAK, as...

Hopkins researchers piece together gene 'network' linked to schizophrenia

...y of proteins had discovered that one of them, BBS4, also is found near the centrosome and also binds to PCM1. "But we weren't thinking schizophrenia at the time ...1. The researchers then asked if the failure of PCM1 recruitment to the centrosome in mice lacking either DISC1 or BBS4 affects brain development. To do this...

Surprising origin of cell's internal highways

... at a structure near the cell's nucleus called the centrosome or microtubule-organizing center (MTOC). Fro...can originate from non-centrosomal structures, the centrosome has been considered the main origination point for...t precisely, it is hard to distinguish between the centrosome and Golgi." To get a close look, Kaverina an...

Researchers now able to look deep into heart to view triggers of a heart's beat

...r centrosomes through duplication, but there is no centrosome in the egg that could give rise to new ones. We fo...hter cells gets a complete set of chromosomes. The centrosome contains about a hundred different proteins, inclu...f the egg gets fertilized they don't use them--the centrosome from the sperm is used preferentially." Centros...

Insects that produce males from unfertilized eggs reveal a surprising cellular feat

...r centrosomes through duplication, but there is no centrosome in the egg that could give rise to new ones. We fo...hter cells gets a complete set of chromosomes. The centrosome contains about a hundred different proteins, inclu...f the egg gets fertilized they don't use them--the centrosome from the sperm is used preferentially." Centros...

Double trouble: Cells with duplicate genomes can trigger tumors

... called Barrett's esophagus. In addition to the extra chromosomes, the "double value" or "tetraploid" cells also duplicate a cell structure called the centrosome that plays a role in maintaining a stable genome. The extra centrosomes may be at the root of the cancer-triggering process. Once the genetic instabil...
Centrosome in Biological Definition

Centrosome

A centrosome , the connecting point of a centriole , an organelle , is the portion of a cell where microtubules are manufactured. Its structure, since it acts as a nexus for cell activity, facilitates cell division . In animal cells, as well as those of certain algae and fungi, the cen...

Centriole

...oles arranged perpendicularly to each other; these are known as diplosomes, and the region they are located in (close to the nucleus) is known as the centrosome . Centrioles are important in the cell division process, organizing the spindle upon which the chromosomes are pulled apart. Some animal cell...

Cytoskeleton

...h, in turn, are polymers of alpha and beta tubulin . They have a very dynamic behaviour, binding GTP for polymerization, they are organized by the centrosome . They play key roles in: Intracellular transport (asociated with dyneins and kinesins they transport organelles like mitochondria or v...

Mitosis

...and only one copy — goes to each daughter cell after cell division. The other important piece of hardware in mitosis is the centriole . Each centrosome contains two centrioles. The two centrosomes of the cell serve as organizing centers for microtubules . During prophase, the two centrosomes —...

Mitosis

...and only one copy — goes to each daughter cell after cell division. The other important piece of hardware in mitosis is the centriole . Each centrosome contains two centrioles. The two centrosomes of the cell serve as organizing centers for microtubules . During prophase, the two centrosomes —...
Centrosome in Biological Dictionary

Centrosome

In cell biology, the centrosome is an organelle that serves as the main microtubule organizing center (MTOC) of the animal cell as well as a regulator of cell-cycle progression. It was discovered by Edouard Van Beneden in 1883 and was described and named in 1888 by... centrosome ( ) ...

Syngamy

...my (sngg-m) The fusion of two gametes in fertilization. How to thank ... enter syngamy and initial cleavage, while others may cleave into ... centrosome is responsible for normal syngamy and early embryonic develop- ment. ... e. Syngamy (fusion of gametes) occurs only in ... e. They undergo me...

S phase

...ed a chromatid. The enzyme DNA... S phase n. The phase of the mitotic cycle during which DNA synthesis occurs. ... During S phase , the centrosome is also duplicated. ... ... free online dictionary with pronunciation, synonyms, and translation of S phase . ... S phase in cell cyc.....

Microtubules

...istence of ... As mitosis proceeds, microtubules grow out from each centrosome with their plus ... These clusters of microtubules are called spindle fi... a,b-Tubulin heterodimer & microtubule structure. Centriole & centrosome ... A n a,b-tubulin heterodimer is the basic structural unit of microtubu...

Centrioles

...rotubules and form the asters during mitosis centrosome ( ) n. A small region of cytoplasm adjacent to t...hout centrioles " ... Structure of the cell centrosome and centrioles . ... The two centrioles are ar... Centrioles appear to be needed to organize the centrosome in which they are embedded. ... Like DNA, cen...

Centriole

...ormation about Centriole in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. centrioles Structure of the cell centrosome and centrioles . ... The two centrioles are arranged such that one is perpendicular to the other. ... Centriole & centrosome. Dynamic ins...
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