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Awakening «dormant» cells to fight cancer

A team from UNIGE and HUG identified a protein regulation mechanism that reduces melanoma cells' capacity to adapt and resist treatment. They found that targeting this mechanism with an enzyme inhibitor reduces therapeutic resistance in all melanoma cells.

SourceUniversité de Genève·JournalBiochemical and Biophysical Research Communications·DateSep 22, 2022

Scientists identify unique breast cancer cells that control their ability to proliferate and colonize the lungs

Researchers discovered a type of triple-negative breast cancer cell that can trigger dormancy, evading therapies and allowing for efficient survival in distant organs. This finding highlights the need for more selective therapeutic strategies targeting both dividing and invasive dormant cells.

New understanding of how faulty metabolism triggers adrenal cancer

A new study from the University of Alabama at Birmingham reveals how impaired metabolism due to mutations in succinate dehydrogenase B disables a normal bioenergetic sensing mechanism, leading to uncontrolled cell proliferation. This discovery sheds light on how cancer cells divide despite having a less efficient energy production.

SourceUniversity of Alabama at Birmingham·JournalCell Reports·TypeExperimental study·DateAug 16, 2022

A new study gives an important understanding of how molecular motor proteins are involved in malaria transmission

A new study published in PLOS Biology reveals the significance of kinesins in basic cellular processes needed for malaria parasite development, multiplication and invasion. Researchers found that eight out of nine kinesins present in the parasite genome are required for cell proliferation to cell movement in mosquito hosts.

SourceUniversity of Nottingham·JournalPLOS Biology·TypeExperimental study·DateJul 28, 2022

Oncotarget | Continuous treatment with abemaciclib leads to sustained and efficient inhibition of breast cancer cell proliferation

Abemaciclib, a CDK4 & 6 inhibitor, showed profound inhibition of cell proliferation and triggered senescence and apoptosis in breast cancer cells. Continuous dosing provided sustained inhibition with irreversible effects through apoptosis, supporting the differentiated safety and efficacy profile.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateJul 6, 2022

Double agents: How stomach stem cells change allegiance upon injury

A molecular switch, p57, enables stomach stem cells to change allegiance from normal digestion to injury response, potentially leading to new treatments for gastric pathologies. The study's findings suggest that p57 is a key regulator of reserve stem cell state in gastric chief cells.

Flexible printable electrical patches for accelerated wound healing

Researchers at Terasaki Institute for Biomedical Innovation have developed a flexible, antibacterial conductive hydrogel-ePatch that accelerates wound healing with minimal side effects. The e-Patch uses silver nanowires and alginate to promote cell proliferation and migration, resulting in faster wound closure and reduced scarring.

SourceTerasaki Institute for Biomedical Innovation·JournalBiomaterials·TypeExperimental study·DateApr 20, 2022

Fundamental cancer metabolism dogma revisited

Researchers at Massachusetts General Hospital discovered that non-dividing colon cancer cells employ Warburg glycolysis to reduce toxic reactive oxygen species accumulation. This adaptation challenges the long-held dogma of the Warburg effect, highlighting the need for single-cell level analysis tools.

SourceMassachusetts General Hospital·JournalNature Communications·TypeExperimental study·DateMar 22, 2022

Burst of rapid cell motion in 3D tumor model

A new phenomenon was discovered where increased pressure leads to a sudden burst of rapid and coordinated cellular motion, spraying outwards from the tumour. This fluid-like pushing mechanism can kill cancer cells but also enables them to survive and multiply in new environments.

SourceUniversity of Göttingen·JournalAdvanced Science·TypeExperimental study·DateMar 16, 2022

Plotting the placental protein NRK: Understanding the molecular evolution processes underlying placenta acquisition in eutherian ancestors

Researchers from Tokyo Tech elucidated the molecular evolution of NRK, revealing a novel mechanism regulating placental development by modulating the CK2-PTEN-AKT pathway. The study showed that NRK underwent rapid molecular evolution to acquire its function in eutherian ancestors.

SourceTokyo Institute of Technology·JournalMolecular Biology and Evolution·TypeExperimental study·DateMar 2, 2022

Hitting the brakes on the cell cycle for the formation of plant stomata

Researchers discovered that a transcription factor called MUTE induces a cell cycle inhibitor SMR4 to slow down the cell cycle, allowing for asymmetric division. A variant with excess SMR4 showed a longer cell cycle during symmetric division, revealing a crucial regulatory mechanism in plant stomatal development.

Visceral surgery: Gut bacteria aggravate adhesions after abdominal surgery

Researchers have discovered that intestinal bacteria can lead to more severe adhesions after abdominal surgery. The study found that mesothelial cells and EGFR signaling play a crucial role in the formation of these adhesions. The findings suggest that targeting EGFR may be a potential approach to reducing adhesion risk.

SourceInselspital, Bern University Hospital·JournalNature Communications·TypeRandomized controlled/clinical trial·DateDec 16, 2021

Specific metabolic dependencies of cancer cells revealed by perturbation with tailored chemical library offer new therapeutic possibilities

Researchers identified specific metabolic vulnerabilities in leukemia cell lines, including sensitivity to PI3K and fatty acid synthase inhibitors. The study highlights the potential for targeted cancer therapy by exploiting these dependencies.

Team builds first living robots that can reproduce

Researchers at the University of Vermont have created the first living robots capable of reproducing, using AI-designed Xenobots. This groundbreaking achievement has significant implications for regenerative medicine, as it demonstrates a new form of biological self-replication.

SourceUniversity of Vermont·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 29, 2021

Genetic analysis uncovers shared evolutionary history of fish fins and vertebrate limbs

Researchers used CRISPR gene-editing tools to show that a gene controlling bone growth in fish fins plays the same role in forming fingers and toes in four-legged creatures. The study suggests that the last common ancestor between ray- and lobe-finned fish already had the genetic toolkit to shape their appendages.

SourceUniversity of Chicago Medical Center·JournalProceedings of the National Academy of Sciences·DateNov 8, 2021

Adult stem cells transform faster with two lasers

Scientists from the University of Johannesburg found that shining two lasers on adult stem cells accelerates their transformation into different types of cells. The consecutive irradiation increases proliferation and differentiation under laboratory conditions, paving the way for potential therapies to repair damaged tissues.

SourceUniversity of Johannesburg·JournalBiochimie·TypeExperimental study·DateOct 26, 2021

Role of TGF-β/SOX9 axis in carcinogenesis using 3-dimensional in vitro and in vivo models

A study investigates the role of the TGF-β/SOX9 axis in promoting cancer migration and invasion in oral squamous cell carcinoma. The research found that CAF-induced TGF-β1 upregulates SOX9 expression, leading to increased cancer invasiveness and poor prognosis. The findings suggest a potential therapeutic target for developing novel tr...

SourceNiigata University·JournalTranslational Oncology·DateOct 24, 2021

New study suggests that aquaporin could be key to repairing corneal defects

A new study provides evidence supporting the involvement of aquaporins in corneal cell proliferation and nerve regeneration, suggesting AQP5 induction as a potential therapy to accelerate corneal defect resurfacing. The study found that AQP5 deficiency can slow down corneal epithelial repair, but its specific mechanism remained unclear.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateSep 29, 2021

A physics perspective on wound healing

Scientists from UNIGE and UZH used a statistical physics approach to study wound healing, identifying the scales of dominant cell interactions that govern tissue growth. The results allow for better analysis of cell front behavior in both healthy tissue and tumour development.

SourceUniversité de Genève·JournalScientific Reports·DateMay 3, 2021

Cancer: Central role of cell 'skeleton' discovered

Research shows that branched actin transmits information to cells about their environment and regulates growth, a mechanism that can be targeted to fight certain types of cancer. Inhibiting branched actin formation prevents the growth of melanoma cells, offering new therapeutic options.

SourceCNRS·JournalCell Research·DateApr 10, 2019

How a virus destabilizes the genome

A new study reveals how KSHV protein LANA drives chromosomal instability, promoting cell proliferation and aneuploidy. The findings identify NNLS as a promising target for antiviral therapies.

SourcePLOS·JournalPLOS Pathogens·DateSep 13, 2018

Bacterium actively drives colorectal cancer tumor cell growth

A subspecies of the bacterium Streptococcus gallolyticus actively promotes the development of colorectal cancer by driving CRC cell proliferation through β-catenin cell signaling. The study found that infected mice developed more tumors and greater β-catenin production than control mice.

SourcePLOS·JournalPLOS Pathogens·DateJul 13, 2017