Results 71 to 80 of about 71,467 (221)

On the Toxin Production of the Diphtheria Bacillus [PDF]

open access: yesEpidemiology and Infection, 1912
Everyone who has been occupied with the weekly production of diphtheria toxin in quantity has been struck with the great variations which may and usually do occur in the strength of the toxin from week to week. It is indeed extraordinary as Madsen remarks (1908, p.
openaire   +2 more sources

Delivering Proteins and Enzymes to Solid Tumors Through the Development of Stimuli‐Responsive Nanocarriers

open access: yesChemNanoMat, Volume 12, Issue 6, June 2026.
Stimuli‐responsive strategies to achieve controlled release of protein‐based therapeutic agents into solid tumors. Proteins, enzymes, and peptides have long been recognized as valuable therapeutic agents, particularly in oncology. However, their complex chemical structures render them more sensitive than smaller chemotherapeutic drugs.
Guillermo Plaza‐Palomo   +3 more
wiley   +1 more source

pH-dependent energy profile of diphtheria toxin (1DDT).

open access: yes, 2015
pH-dependent energy profile of diphtheria toxin (1DDT).
Prashant Shingate (146643)   +2 more
core   +1 more source

Microevolution and genomic epidemiology of the diphtheria-causing zoonotic pathogen Corynebacterium ulcerans

open access: yesNature Communications
Corynebacterium ulcerans is an emerging zoonotic pathogen which causes diphtheria-like infections. Although C. ulcerans is found in multiple domestic and wild animal species, most human cases are linked with pets.
Chiara Crestani   +7 more
doaj   +1 more source

Functional verification of the diphtheria toxin A gene in a recombinant system

open access: yesJournal of Animal Science and Biotechnology, 2012
Diphtheria toxin A (DTA), a segment of the diphtheria toxin (tox), inhibits protein synthesis in cells. When released from a cell, DTA is nontoxic and cannot enter other cells independently without the help of diphtheria toxin B.
Zhang Jingfeng   +6 more
doaj   +1 more source

Integrated Molecular Docking and Gene Expression Analyses Suggest a Potential Interaction Between Diphtheria Toxin and Bcl‐2 in HT‐29 Colorectal Cancer Cells

open access: yesJournal of Biochemical and Molecular Toxicology, Volume 40, Issue 6, June 2026.
This study explores the interaction between Diphtheria Toxin (DT) and Bcl‐2 in HT‐29 cells. Integrating molecular docking with gene expression analysis, we demonstrate DT's high‐affinity binding to Bcl‐2 and a significant downregulation of BCL2 mRNA. These findings suggest that DT modulates anti‐apoptotic pathways, influencing colorectal cancer cell ...
Elif Ercan   +3 more
wiley   +1 more source

Observations on the Structure of Diphtheria Toxin

open access: yesJournal of Biological Chemistry, 1971
Diphtheria toxin is synthesized as a single polypeptide chain with a molecular weight of about 62,000. After being secreted it may be partially digested by proteolytic enzymes released from the bacterial cells into the culture medium and purified preparations of toxin usually contain some of the proteolytic breakdown products.
D M, Gill, L L, Dinius
openaire   +2 more sources

Engineered Nestin+ TSPC‐Derived Exosomes Promote Tendon Repair Via Metabolic Reprogramming

open access: yesJournal of Extracellular Vesicles, Volume 15, Issue 6, June 2026.
Engineered Nestin+ TSPC‐derived exosomes promote tendon repair by reprogramming tenocyte metabolism via the pantothenate‐CoA‐mitochondria axis. They enhance mitochondrial function, reduce senescence and oxidative stress, restoring tendon structure and function in injured and aged models.
Linxiang Cheng   +8 more
wiley   +1 more source

Diphtheria toxin-based efficient target-switchable anticancer drug

open access: yes, 2018
Recombinant immunotoxins (RITs) have been extensively utilized in the field of targeted cancer therapy. RITs are composed of toxins derived from natural bacterial strains and antibodies for target specific killing of cancer cells.
Choi, Bonseo   +3 more
core  

A Case of Diphtheria

open access: yesSri Lankan Journal of Infectious Diseases, 2011
Diphtheria is a nearly eradicated disease in Sri Lanka. After introduction of EPI vaccination program in 1978 childhood diphtheria has been eradicated.
Rohitha Jayamaha
doaj   +1 more source

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