Cytoplasm News and Research

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Male infertility linked to an enzyme complex issue

An enzyme complex present in sperm plasma membranes plays an important role in the overproduction of reactive oxygen species and oxidative stress in sperm with abnormal morphology, researchers have shown.

15 Oct 2012

Common RNA pathway links frontotemporal lobar dementia with ALS

Two proteins previously found to contribute to ALS, also known as Lou Gehrig's disease, have divergent roles. But a new study, led by researchers at the Department of Cellular and Molecular Medicine at the University of California, San Diego School of Medicine, shows that a common pathway links them.

1 Oct 2012

Small fragments of keratin protein in the eye play a key role in warding off pathogens

When it comes to germ-busting power, the eyes have it, according to a discovery by University of California, Berkeley, researchers that could lead to new, inexpensive antimicrobial drugs.

25 Sep 2012

Pancreatic B-cell dedifferentiation leads to decline in insulin production in type 2 diabetes

Scientists generally think that reduced insulin production by the pancreas, a hallmark of type 2 diabetes, is due to the death of the organ's beta cells. However, a new study by Columbia University Medical Center (CUMC) researchers shows that beta cells do not die but instead revert to a more fundamental, undifferentiated cell type.

15 Sep 2012

Scientists reveal how TREX proteins act as passport for transfer of cell blueprints

Decoded process could hold the key to future treatments for a wide range of chronic health problems including Motor Neuron Disease, myotonic dystrophy and a wide range of cancers, University of Sheffield scientists have revealed.

16 Aug 2012

Possible molecular link between circadian rhythm disturbances and increased inflammatory response

Scientists have known for some time that throwing off the body's circadian rhythm can negatively affect body chemistry. In fact, workers whose sleep-wake cycles are disrupted by night shifts are more susceptible to chronic inflammatory diseases such as diabetes, obesity and cancer.

2 Aug 2012

Orc1 mutations may explain pathology in manifestations of Meier-Gorlin syndrome

Research published Aug. 1 by scientists at Cold Spring Harbor Laboratory (CSHL) links gene mutations found in some patients with Meier-Gorlin syndrome (MGS) with specific cellular dysfunctions that are thought to give rise to a particularly extreme version of dwarfism, small brain size, and other manifestations of abnormal growth which generally characterize that rare condition.

1 Aug 2012

Protein associated with Huntington’s and other neurodegenerative diseases has several brain-specific forms

A protein essential for metabolism and recently associated with neurodegenerative diseases also occurs in several brain-specific forms. This discovery emerged in the course of a research project funded by the Austrian Science Fund FWF, the findings of which have now been published in the journal Human Molecular Genetics.

23 Jul 2012

UMMS scientists identify new genetic mutation that causes familial ALS

A new genetic mutation that causes familial amyotrophic lateral sclerosis (ALS), a fatal neurological disorder also known as Lou Gehrig's Disease, has been identified by a team of scientists led by researchers at the University of Massachusetts Medical School (UMMS).

16 Jul 2012

New paper documents discovery of novel lipids, including MC3

Alnylam Pharmaceuticals, a leading RNAi therapeutics company, and collaborators announced today the publication of a scientific paper documenting the discovery of novel lipids used in second generation lipid nanoparticles (LNPs) for systemic delivery of RNAi therapeutics.

14 Jul 2012

Toxins and cell death: Interview with Professor Denise Montell

There are multiple kinds of cell death. Cells can undergo programmed cell death, which is a series of events that undergoes a predictable order at certain times during development.

6 Jul 2012

Study sheds light on the assembly of ribosome

Scientists from the Florida campus of The Scripps Research Institute have identified a series of intricate biochemical steps that lead to the successful production of proteins, the basic working units of any cell.

6 Jul 2012

Protein kinase A activated in the nucleus as well as the cytoplasm

Using a new tool allowing proteins in a living cell to be manipulated in real time, researchers at Johns Hopkins have stumbled across the answer to a longstanding debate about where and how a certain protein is turned on in the cell. Reporting in the February 2012 issue of Nature Chemical Biology, scientists show that protein kinase A is also activated in the nucleus rather than inside the cell’s body, a challenge to traditional beliefs.

27 Jun 2012

FOXO3a transcription factor actually promotes growth of anaplastic thyroid cancer

A molecule widely believed to fight many forms of cancer actually helps deadly thyroid tumors grow, and cancer therapies now being tested in humans might boost the activity of this newly revealed bad guy, researchers at Mayo Clinic in Florida say.

21 Jun 2012

KPT-SINEs might offer new treatment for people with acute leukemia

A novel family of experimental agents that blocks a molecule from shuttling proteins out of the cell nucleus might offer a new treatment for people with acute leukemia, according to a study by researchers at the Ohio State University Comprehensive Cancer Center - Arthur G. James Cancer Hospital and Richard J. Solove Research Institute.

20 Jun 2012

Scientists decipher and block a molecular message that prompts unbridled cellular growth

What's good news in one setting might spell disaster in another. In cancer for instance, when a certain cell is commanded to grow and divide without restraint, it's a welcome message for the cell itself but a tragedy for the person who harbors this cell in his or her body. Weizmann Institute scientists have managed to decipher and block one type of molecular message that prompts unbridled cellular growth.

13 Jun 2012

New research into cell-damaging effects of Huntington's disease

New research into the cell-damaging effects of Huntington's disease suggests a potentially new approach for identifying possible therapeutic targets for treating the nerve-destroying disorder.

7 Jun 2012

NIH awards $1.9M grant to study genetic control of cell migration

Developmental biologists Dominique Alfandari and Hélène Cousin at the University of Massachusetts Amherst recently received a five-year, $1.9 million grant from the U.S. National Institutes of Health to investigate craniofacial development in a frog model to better understand genetic control of cell migration.

2 Jun 2012

RNP granules exit the nucleus via new budding mechanism akin to herpes-type viruses

New evidence published in Cell by Vivian Budnik, PhD, Melissa J. Moore, PhD, and colleagues at the University of Massachusetts Medical School, reveals a novel budding mechanism, similar to the process used by some viruses, capable of exporting large ribonucleoprotein particles from the nucleus to the cytoplasm.

11 May 2012

Scientists develop new method to directly identify miRNA targets in cells

Human cells are thought to produce thousands of different microRNAs (miRNAs)-small pieces of genetic material that help determine which genes are turned on or off at a given time. miRNAs are an important part of normal cellular function, but they can also contribute to human disease-some are elevated in certain tumors, for example, where they promote cell survival.

10 May 2012