Results 81 to 90 of about 2,387,298 (366)

Unraveling Mycobacterium tuberculosis acid resistance and pH homeostasis mechanisms

open access: yesFEBS Letters, EarlyView.
Mycobacterium tuberculosis exhibits a remarkable resilience to acid stress. In this Review, we discuss some of the molecular mechanisms and metabolic pathways used by the tubercle bacilli to adapt and resist host‐mediated acid stress. Mycobacterium tuberculosis (Mtb) is a successful pathogen that has developed a variety of strategies to survive and ...
Janïs Laudouze   +3 more
wiley   +1 more source

Expression of Acetaldehyde Dehydrogenase in Gefitinib-resistant Human Lung Adenocarcinoma HCC-827/GR Cells

open access: yesChinese Journal of Lung Cancer, 2018
Background and objective Tumor recurrence and drug resistance are the main causes of death in tumor patients. The family of acetaldehyde dehydrogenase (ALDH) is closely related to the proliferation, migration, invasion and resistance of tumor cells, and ...
Tingting YANG   +7 more
doaj   +1 more source

Osteopetrotic induced pluripotent stem cells derived from patients with different disease-associated mutations by non-integrating reprogramming methods

open access: yesStem Cell Research & Therapy, 2019
Background Autosomal recessive osteopetrosis is a genetically and phenotypically heterogeneous disease, caused by defects in osteoclast formation and function.
Fatma Visal Okur   +4 more
doaj   +1 more source

Floral stem cell termination involves the direct regulation of AGAMOUS by PERIANTHIA [PDF]

open access: yes, 2009
In Arabidopsis, the population of stem cells present in young flower buds is lost after the production of a fixed number of floral organs. The precisely timed repression of the stem cell identity gene WUSCHEL (WUS) by the floral homeotic protein AGAMOUS (
Das, Pradeep   +6 more
core   +2 more sources

Stem Cells: Specifying Stem-Cell Niches in the Worm [PDF]

open access: yesCurrent Biology, 2006
Recent work has shown that components of the Wnt signaling pathway directly activate a homeodomain transcription factor so as to specify the cell fate that provides niche function to germline stem cells in the nematode Caenorhabditis elegans.
Samantha Van Hoffelen, Michael A. Herman
openaire   +3 more sources

Unconventional mRNA processing and degradation pathways for the polycistronic yrzI (spyTA) mRNA in Bacillus subtilis

open access: yesFEBS Letters, EarlyView.
The S1025 peptide is the major antidote to the YrzI toxin, which we renamed here as SpyT (Small Peptide YrzI Toxin) and SpyA (Small Peptide YrzI Antitoxin) (1). Degradation of the toxin–antitoxin spyTA mRNA, either by a translation‐dependent cleavage by the endoribonuclease Rae1 (2) or by direct attack by 3′‐exoribonucleases (3), also contributes to ...
Laetitia Gilet   +4 more
wiley   +1 more source

Control of intestinal stem cell function and proliferation by mitochondrial pyruvate metabolism. [PDF]

open access: yes, 2017
Most differentiated cells convert glucose to pyruvate in the cytosol through glycolysis, followed by pyruvate oxidation in the mitochondria. These processes are linked by the mitochondrial pyruvate carrier (MPC), which is required for efficient ...
A Ootani   +86 more
core   +1 more source

Identification of novel small molecule inhibitors of ETS transcription factors

open access: yesFEBS Letters, EarlyView.
ETS transcription factors play an essential role in tumourigenesis and are indispensable for sprouting angiogenesis, a hallmark of cancer, which fuels tumour expansion and dissemination. Thus, targeting ETS transcription factor function could represent an effective, multifaceted strategy to block tumour growth. The evolutionarily conserved E‐Twenty‐Six
Shaima Abdalla   +9 more
wiley   +1 more source

Stem Cells: The Good, the Bad and the Ugly [PDF]

open access: yesarXiv, 2016
Cancer stem cells are controlled by developmental networks that are often topologically indistinguishable from normal, healthy stem cells. The question is why cancer stem cells can be both phenotypically distinct and have morphological effects so different from normal stem cells.
arxiv  

Aging-induced stem cell mutations as drivers for disease and cancer [PDF]

open access: yes, 2015
Aging is characterized by a decrease in genome integrity, impaired organ maintenance, and an increased risk of cancer, which coincide with clonal dominance of expanded mutant stem and progenitor cell populations in aging tissues, such as the intestinal ...
Adams, Peter D.   +2 more
core   +1 more source

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