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Holo-tomographic microscopy allows researchers to quantify new cell biology phenomena

Combining image analysis with a three-dimensional microscopy technique allows researchers to quantify new or little-understood cell biology phenomena, according to a new study publishing December 19 in the open-access journal PLOS Biology by Mathieu Frechin of the Swiss company Nanolive and colleagues.

13 Dec 2019

Why some sperm swim in circles – it’s a protein defect

A new study published in the journal PNAS shows that some sperm cannot swim straight because they lack a protein called VSP. This motility defect seriously impacts the rates of successful fertilization. In addition, VSP is also found to regulate the amount of calcium that enters the flagellum, the whiplike organelle that propels the sperm towards the waiting ovum or egg. This important discovery may help treat infertility more effectively.

3 Dec 2019

New findings regarding maintenance and functioning of the endosome

On a daily basis, multitudes of molecules enter each cell in our body. These can be nutrients or signal molecules or pathogenic microorganisms. An organelle in the cell directs these molecules to other stations for further processing.

3 Dec 2019

Study uncovers how the molecule-sorting station in our cells is formed and maintained

The cells in our body are workshops that continuously operate to produce and process substances to keep us going. When a substance enters a cell for processing, it is surrounded by a portion of the cell's outer membrane to form a sac.

15 Nov 2019

Chemotherapy-induced senescent cells eat neighboring cells

A new study has found that chemotherapy-induced senescent cancer cells feed on other neighboring cells to enhance their survival.

30 Oct 2019

Newly discovered organelle could help prevent cancer

Scientists at the University of Virginia School of Medicine have discovered a strange new organelle inside our cells that helps to prevent cancer by ensuring that genetic material is sorted correctly as cells divide.

22 Oct 2019

Extracts from coffee bean skins reduce fat-induced inflammation, insulin resistance in mouse cells

When coffee beans are processed and roasted the husk and silverskin of the bean are removed and unused, and often are left behind in fields by coffee producers.

11 Oct 2019

Discovery of molecular mechanism behind spread of leishmania infection

Researchers from the Institut National de la Recherche Scientifique (INRS) have made a breakthrough in understanding the reason behind the virulence of leishmania parasite. The leishmania parasite is responsible for causing leishmaniasis which affects over 12 million people across the globe and is a chronic parasitic disease.

14 Aug 2019

Researchers identify alternate chemistry that could account for Alzheimer's pathologies

Alzheimer's disease, the most common cause of dementia among the elderly, is characterized by plaques and tangles in the brain, with most efforts at finding a cure focused on these abnormal structures.

13 Aug 2019

Gut infection can lead to a pathology resembling Parkinson's disease

A new study by Montreal scientists published today in Nature demonstrates that a gut infection can lead to a pathology resembling Parkinson's disease in a mouse model lacking a gene linked to the human disease.

17 Jul 2019

Researchers develop DNA nanorobots that target breast cancer cells

According to the Mayo Clinic, about 20% of breast cancers make abnormally high levels of a protein called human epidermal growth factor receptor 2 (HER2).

17 Jun 2019

Scientists delay aging using protein found in young mice

Scientists have shown that a protein which is abundant in the blood of young mice can delay the aging process of older mice.

17 Jun 2019

Study reveals how dengue virus replicates in infected cells

The nonstructural protein 1 of the dengue virus interacts with another viral protein called NS4A-2K-4B to enable viral replication, according to a study published May 9 in the open-access journal PLOS Pathogens by Ralf Bartenschlager of the University of Heidelberg, and colleagues.

10 May 2019

Scientists solve mystery surrounding common genetic cause of ALS

St. Jude Children's Research Hospital scientists have cracked the mystery surrounding the most common genetic cause of amyotrophic lateral sclerosis, or Lou Gehrig's disease.

11 Apr 2019

Designer organelles in living mammalian cells can build synthetic proteins

A research team led by biophysical chemist Professor Edward Lemke has engineered a designer organelle in a living mammalian cell in a new complex biological translation process. The created membraneless organelle can build proteins from natural and synthetic amino acids carrying new functionalities.

30 Mar 2019

Akna protein plays a key role in the regulation of neural stem cells

The use of stem cells to repair organs is one of the foremost goals of modern regenerative medicine.

22 Feb 2019

Mitochondrial proteotoxicity appears to be epicentre of molecular pathogenesis

Researchers at the University of Helsinki uncovered the mechanisms for a novel cellular stress response arising from the toxicity of newly synthesized proteins.

22 Feb 2019

Scientists uncover new mechanisms regulating neural stem cells

The use of stem cells to repair organs is one of the foremost goals of modern regenerative medicine. Scientists at Helmholtz Zentrum München and Ludwig Maximilian University of Munich have discovered that the protein Akna plays a key role in this process.

21 Feb 2019

Researchers unravel path of metallodrug in a breast cancer cell

Some types of cancer cannot be treated with classical chemotherapy. Scientists from Inserm, CNRS, Sorbonne University, PSL university, University Grenoble Alpes and ESRF, the European Synchrotron, are working on a metallorganic molecule as an antitumor drug.

4 Feb 2019

Nine early career scientists named 2019 recipients of the Damon Runyon-Rachleff Innovation Award

The Damon Runyon Cancer Research Foundation announced that nine scientists with novel approaches to fighting cancer have been named 2019 recipients of the Damon Runyon-Rachleff Innovation Award.

24 Jan 2019