Results 61 to 70 of about 2,065,037 (263)

Decoding the dynamic extracellular matrix in cancer—3D models and bioscaffolds rewire the rules of tumor progression

FEBS Letters, EarlyView.
Cancer progression is regulated by the dynamic matrix code of the tumor microenvironment, which influences cellular behavior and disease development. Importantly, matrix remodeling in three‐dimensional cancer models more accurately reflects in vivo conditions compared to conventional two‐dimensional systems.
Sylvia Mangani, Konstantinos Spanopoulos, Zoi Piperigkou, Nikos K. Karamanos   +3 more
wiley   +1 more source

Comparative analysis of antimicrobial activities of valinomycin and cereulide, the Bacillus cereus emetic toxin [PDF]

, 2011
Cereulide and valinomycin are highly similar cyclic dodecadepsipeptides with potassium ionophoric properties. Cereulide, produced by members of the Bacillus cereus group, is known mostly as emetic toxin, and no ecological function has been assigned.
Marcel H. Tempelaars, Abee, T., Tempelaars, M.H., Rodrigues, S., Tjakko Abee, Susana Rodrigues   +5 more
core   +1 more source

ANALYSIS OF THE PRESENCE OF TOXINS FROM ESCHERICHIA COLI, CLOSTRIDIUM PERFRINGENS, C. DIFFICILE IN BULK FEEDS OF SAINT-PETERSBURG AND LENINGRAD REGION

Siberian Journal of Life Sciences and Agriculture
Background. Undesirable microflora can enter forage crops during harvesting with soil, which can contain various pathogenic microorganisms, including clostridia and enterobacteria, which enter it when manure is applied to fields as fertilizer.
Valentina A. Filippova, Elena A. Yildirim, Larisa A. Ilina, Georgy Yu. Laptev, Andrey V. Dubrovin, Vasily A. Zaikin, Ksenia A. Kalitkina, Alisa S. Dubrovina, Ivan G. Malakhov, Irina A. Klyuchnikova   +9 more
doaj   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source

OCCURRENCE OF TOXIN GENES AMONG DIFFERENT AGR GROUPS OF STAPHYLOCOCCUS PSEUDINTERMEDIUS ISOLATES FROM DOGS WITH SKIN LESIONS

Bulgarian Journal of Veterinary Medicine
Staphylococcus pseudintermedius contains several virulence factors including various toxins. The accessory gene regulator (agr) system in S. pseudintermedius is responsible for controlling and coor-dinating the production of virulence factors and ...
H. Najafimehr, P. Kazemzadeh Ghadim, S. Nouri Gharajalar, M. Onsori , M. Firouzamandi   +4 more
doaj   +1 more source

Gene Expression Pattern and Regulatory Network of α-Toxin Treatment in Bombyx mori

International Journal of Genomics, 2019
Bacillus bombyseptieus is a pathogen of Bombyx mori; it can cause bacterial septicemia in silkworm. One of the components of the parasporal crystal toxin of B. bombyseptieus, α-toxin, plays an important role in the process of infection in silkworm.
Tieshan Feng, Ping Lin, Jiao Gong, Dong Cheng, Xi Yang, Quan Zhang, Tingcai Cheng   +6 more
doaj   +1 more source

Structure‐forward targeting of claudins with synthetic binders

FEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

Replication of plasmids derived from Shiga toxinconverting bacteriophages in starved Escherichia coli [PDF]

, 2011
The pathogenicity of Shiga toxin-producing Escherichia coli (STEC) depends on the expression of stx genes that are located on lambdoid prophages. Effective toxin production occurs only after prophage induction, and one may presume that replication of the
Nejman, Bożena, Nadratowska-Wesołowska, Beata, Węgrzyn, Alicja, Węgrzyn, Grzegorz, Szalewska-Pałasz, Agnieszka   +4 more
core   +1 more source

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

FEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas, Shahoon Khan, Abhishek Sharma, Byoungchun Lee, Savraj S. Grewal   +4 more
wiley   +1 more source

The actions of Pasteurella multocida toxin on neuronal cells [PDF]

, 2014
Pasteurella multocida toxin (PMT) activates the G-proteins Gα, Gα, Gα Gα and Gα by deamidation of specific glutamine residues. A number of these alpha subunits have signalling roles in neurones.
Lax, Alistair; id_orcid, Robbins, Jon, Duricki, DA, Surguy, SM, Duricki, Denise A., Duricki, Denise, Lax, AJ, Reilly, JM, Reilly, Joanne, Surguy, Susan, Surguy, Susan M., Reilly, Joanne M., Robbins, J, Lax, Alistair J.   +13 more
core   +1 more source