scholarly journals Changes of sympathetic ganglia in infections. Mogilnitsky (Journal of Psychol., Neurol. and Psychiatry, 1922, 1)

2021 ◽  
Vol 19 (1) ◽  
pp. 92-93
Author(s):  
M. Weinberg
Keyword(s):  
Sympathetic Ganglia ◽  
Vascular Changes ◽  
Spanish Flu

On the basis of studies of sympathetic ganglia in croupic pneumonia, Spanish flu and catarrhal bronchopneumonia, the author concludes that in croupic pneumonia vascular changes are more significant than in other pulmonary inflammations, while in Spanish flu and bronchopneumonia the nerve apparatus is particularly affected.

An electron microscopic study of the intra-myocardial lesions in cases of acute myocardial infarction

1978 ◽  
Vol 36 (2) ◽  
pp. 484-485
Author(s):  
Masahiro Ono ◽  
Kaoru Aihara ◽  
Gompachi Yajima
Keyword(s):  
Myocardial Infarction ◽  
Acute Myocardial Infarction ◽  
Coronary Vessels ◽  
Vascular Wall ◽  
Vascular Changes ◽  
Electron Microscopic ◽  
Main Trunk ◽  
Mechanical Destruction ◽  
Transmission Electron ◽  
Myocardial Lesions

The pathogenesis of the arteriosclerosis in the acute myocardial infarction is the matter of the extensive survey with the transmission electron microscopy in experimental and clinical materials. In the previous communication,the authors have clarified that the two types of the coronary vascular changes could exist. The first category is the case in which we had failed to observe no occlusive changes of the coronary vessels which eventually form the myocardial infarction. The next category is the case in which occlusive -thrombotic changes are observed in which the myocardial infarction will be taken placed as the final event. The authors incline to designate the former category as the non-occlusive-non thrombotic lesions. The most important findings in both cases are the “mechanical destruction of the vascular wall and imbibition of the serous component” which are most frequently observed at the proximal portion of the coronary main trunk.

Unusual Intranuclear Structures in Chick Sympathetic Neurons

1967 ◽  
Vol 25 ◽  
pp. 188-189
Author(s):  
E. B. Masurovsky ◽  
H. H. Benitez ◽  
M. R. Murray
Keyword(s):  
Electron Microscope ◽  
Sympathetic Neurons ◽  
Uranyl Acetate ◽  
Sympathetic Ganglia ◽  
Lead Citrate ◽  
Thin Sections ◽  
Cns Neurons ◽  
Mammalian Cns

Recent light- and electron microscope studies concerned with the effects of D2O on the development of chick sympathetic ganglia in long-term, organized culture revealed the presence of rod-like fibrillar formations, and associated granulofibrillar bodies, in the nuclei of control and deuterated neurons. Similar fibrillar formations have been reported in the nuclei of certain mammalian CNS neurons; however, related granulofibrillar bodies have not been previously described. Both kinds of intranuclear structures are observed in cultures fixed either in veronal acetate-buffered 2%OsO4 (pH 7. 4), or in 3.5% glutaraldehyde followed by post-osmication. Thin sections from such Epon-embedded cultures were stained with ethanolic uranyl acetate and basic lead citrate for viewing in the electron microscope.

The CARE Telematics Network for the Surveillance of Influenza in Europe

1995 ◽  
Vol 34 (05) ◽  
pp. 518-522 ◽  
Author(s):  
M. Bensadon ◽  
A. Strauss ◽  
R. Snacken
Keyword(s):  
Public Health ◽  
Early Warning ◽  
Early Warning Systems ◽  
Warning Systems ◽  
Surveillance Networks ◽  
Spanish Flu ◽  
The 1950S ◽  
National Networks ◽  
First Time

Abstract:Since the 1950s, national networks for the surveillance of influenza have been progressively implemented in several countries. New epidemiological arguments have triggered changes in order to increase the sensitivity of existent early warning systems and to strengthen the communications between European networks. The WHO project CARE Telematics, which collects clinical and virological data of nine national networks and sends useful information to public health administrations, is presented. From the results of the 1993-94 season, the benefits of the system are discussed. Though other telematics networks in this field already exist, it is the first time that virological data, absolutely essential for characterizing the type of an outbreak, are timely available by other countries. This argument will be decisive in case of occurrence of a new strain of virus (shift), such as the Spanish flu in 1918. Priorities are now to include other existing European surveillance networks.

COVID-19: The Unprecedented Malady-A Holistic Review

Coronaviruses ◽  
2020 ◽  
Vol 01 ◽  
Author(s):  
Viney Chawla ◽  
Pooja A Chawla
Keyword(s):  
Virus Disease ◽  
Drug Repurposing ◽  
Signs And Symptoms ◽  
Effective Vaccine ◽  
Runny Nose ◽  
Difficult Time ◽  
Holistic Review ◽  
The World ◽  
Spanish Flu ◽  
Corona Viruses

Background: Corona virus disease (COVID-19) is spreading rapidly at an unprecedented scale across continents and has emerged as the single biggest risk the world has faced in modern times. Some scientists are comparing it to Spanish flu that created havoc around a century ago. The fear of death by COVID-19 looms large at the world today. The disease has reached devastating proportions since its first reports in December 2019. Doctors are having a difficult time dealing with this challenge and the microbiologists are having sleepless nights to bring about an effective vaccine for this disease. Methods: A number of research and review articles have been exhaustively reviewed. The collected data was meticulously analysed and documented. Conclusion: This paper reviews the different types of corona viruses, the structure of SARS-CoV-2 responsible for COVID19, its transmission, virulence. Further, the article discusses the diagnosis, signs and symptoms like fever, breathlessness, cough, potential loss of taste or smell, sneezing, runny nose, fatigue, headache, sore throat and different treatment approaches including drug repurposing being tried by doctors around the globe that may come handy in the management of disease symptoms. The article describes the use of remdesivir, ribavarin, lopinavir, favipiravir, hydoxychloroquine, chloroquine, tocilizumab among others in treating COVID-19.

scholarly journals Angiotensin II biosynthesis and its receptor signal transduction mechanisms in dog cardiac sympathetic ganglia.

1996 ◽  
Vol 71 ◽  
pp. 330
Author(s):  
Kazushi Kushiku ◽  
Ryoko Tokunaga ◽  
Hiromi Yamada ◽  
Kazuhiko Shibata ◽  
Katsuhiro Yamada ◽  
...  
Keyword(s):  
Signal Transduction ◽  
Angiotensin Ii ◽  
Sympathetic Ganglia ◽  
Receptor Signal ◽  
Transduction Mechanisms

scholarly journals Increased superoxide levels in ganglia and sympathoexcitation are involved in sarafotoxin 6c-induced hypertension

2008 ◽  
Vol 295 (5) ◽  
pp. R1546-R1554 ◽  
Author(s):  
Melissa Li ◽  
Xiaoling Dai ◽  
Stephanie Watts ◽  
David Kreulen ◽  
Gregory Fink
Keyword(s):  
Blood Pressure ◽  
Sympathetic Innervation ◽  
Sympathetic Ganglia ◽  
Plasma Norepinephrine ◽  
Sprague Dawley ◽  
Surgical Ablation ◽  
Arterial Blood ◽  
Sprague Dawley Rats ◽  
Induced Hypertension ◽  
Hypertension Development

Endothelin (ET) type B receptors (ETBR) are expressed in multiple tissues and perform different functions depending on their location. ETBR mediate endothelium-dependent vasodilation, clearance of circulating ET, and diuretic effects; all of these should produce a fall in arterial blood pressure. However, we recently showed that chronic activation of ETBR in rats with the selective agonist sarafotoxin 6c (S6c) causes sustained hypertension. We have proposed that one mechanism of this effect is constriction of capacitance vessels. The current study was performed to determine whether S6c hypertension is caused by increased generation of reactive oxygen species (ROS) and/or activation of the sympathetic nervous system. The model used was continuous 5-day infusion of S6c into male Sprague-Dawley rats. No changes in superoxide anion levels in arteries and veins were found in hypertensive S6c-treated rats. However, superoxide levels were increased in sympathetic ganglia from S6c-treated rats. In addition, superoxide levels in ganglia increased progressively the longer the animals received S6c. Treatment with the antioxidant tempol impaired S6c-induced hypertension and decreased superoxide levels in ganglia. Acute ganglion blockade lowered blood pressure more in S6c-treated rats than in vehicle-treated rats. Although plasma norepinephrine levels were not increased in S6c hypertension, surgical ablation of the celiac ganglion plexus, which provides most of the sympathetic innervation to the splanchnic organs, significantly attenuated hypertension development. The results suggest that S6c-induced hypertension is partially mediated by sympathoexcitation to the splanchnic organs driven by increased oxidative stress in prevertebral sympathetic ganglia.

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