diphtheria is a fatal disease caused by exotoxin of corynebacterium     diphtheria .  this toxin consists of   two chains, catalytic chain (a) and binding (b) chain. by binding chain (b),   the toxin binds to its receptor on numerous body cells such as myocardial,   kidney and peripheral nerve cells. after entering, catalytic chain (a)   inhibits protein synthesis and finally can cause cell dea...

Diphtheria is caused by diphtheria toxin-producing Corynebacterium species. While classical respiratory diphtheria is transmitted by droplets, cutaneous diphtheria often results from minor trauma. This report concerns the first case of sexually transmitted diphtheria in a patient with non-gonococcal urethritis after orogenital contact.

The immunodominant determinant of Pseudomonas toxin A was shown to cross-react with a normally inaccessible determinant in fragment A of diphtheria toxin. Trypsin-treated diphtheria toxin and fragment A of diphtheria toxin inhibited binding of toxin A antibody to whole toxin A, whereas whole diphtheria toxin did not inhibit this reaction. However, even at the lowest stringency no hybridization ...

Supplies of diphtheria antitoxin are urgently needed worldwide for people with confirmed or suspected diphtheria disease to improve their chances of survival, according to a World Health Organization (WHO) expert group. The Strategic Advisory Group of Experts on Immunization, which met at the end of April, called on WHO to collaborate with its partners to establish and manage a global procureme...

Whooping cough and diphtheria are vaccine preventable diseases. Diphtheria, due to Corynebacterium diphtheriae or Corynebactium ulcerans, two Gram positive bacteria, is a serious upper respiratory tract disease with high morbidity and mortality rates. Vaccination, via an acellular vaccine composed only of purified, detoxified diphtheria toxin, has significantly reduced the incidence of the dise...

The biochemical characteristics of specific receptor molecules for diphtheria toxin on the surface of two toxin-sensitive cell lines (Vero and BS-C-1) were examined. Diphtheria toxin was found to bind to a number of different proteins in Nonidet P-40 solubilized extracts of 125I-labeled cells. In contrast, permitting diphtheria toxin to bind first to labeled intact cells, which were subsequentl...

Serum therapy in the form in which it finds application in the treatment of diphtheria patients is an antitoxic or detoxicating curative method. It is based on the view, held by Löffler in Germany and by Roux in France, that the parasites causing diphtheria, the Löffler diphtheria bacilli, do not themselves cause diphtheria, but that they produce poisons which cause the disease to develop. With...

In Hyderabad, India, diphtheria is common among children aged 5-19 years. On account of low coverage of diphtheria vaccine boosters recommended under the universal immunization programme, a large proportion of children were susceptible/partially immune against diphtheria and/or tetanus. We evaluated immunogenicity and safety of single dose of indigenously developed tetanus-diphtheria (Td) vacci...

Diphtheria is a severe infection, with high mortality rate and affects the upper respiratory tract. Transmission by direct contact/sneezing/coughing may lead to myocarditis, peripheral neuropathy, pneumonia or failure. This watching brief aims describe epidemiology of recent 2022 diphtheria outbreak among migrants in Europe identify key factors that aid future control measures. 
 It was se...