269 results match your criteria: "ICMR - National Institute of Cholera and Enteric Diseases[Affiliation]"

Prediction of Phage Virion Proteins Using Machine Learning Methods.

Molecules

February 2023

Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, P-33, C.I.T.Road Scheme XM, Beliaghata, Kolkata 700010, West Bengal, India.

Antimicrobial resistance (AMR) is a major problem and an immediate alternative to antibiotics is the need of the hour. Research on the possible alternative products to tackle bacterial infections is ongoing worldwide. One of the most promising alternatives to antibiotics is the use of bacteriophages (phage) or phage-driven antibacterial drugs to cure bacterial infections caused by AMR bacteria.

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This study aimed to generate a pooled national estimate on dental health care services utilization by the adult population in India from any public or private facility in an effort to highlight the demand and usage for oral health care. In this meta-analysis, PubMed, ScienceDirect, DOAJ, and Google Scholar were searched using a search strategy that combined MeSH headings and keywords (e.g.

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Shigellosis in Southeast Asia: A systematic review and meta-analysis.

Travel Med Infect Dis

April 2023

Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.

Background: Southeast Asia is attractive for tourism. Unfortunately, travelers to this region are at risk of becoming infected with Shigella. We conducted a meta-analysis to provide updates on Shigella prevalence in Southeast Asia, along with their serogroups and serotypes.

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Background: Eradication of Helicobacter pylori provides the most effective treatment for gastroduodenal diseases caused by H. pylori infection. Clarithromycin, a member of the macrolide family, still remains the most important antibiotic used in H.

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Klebsiella pneumoniae is a major cause of neonatal sepsis. Hypervirulent Klebsiella pneumoniae (hvKP) that cause invasive infections and/or carbapenem-resistant hvKP (CR-hvKP) limit therapeutic options. Such strains causing neonatal sepsis have rarely been studied.

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Background: No commercial vaccines are available against drug-resistant Shigella due to serotype-specific/narrow-range of protection. Nanoparticle-based biomimetic vaccines involving stable, conserved, immunogenic proteins fabricated using facile chemistries can help formulate a translatable cross-protective Shigella vaccine. Such systems can also negate cold-chain transportation/storage thus overcoming challenges prevalent in various settings.

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In today's world and mostly in low and middle income countries, Shigella flexneri and Shigella sonnei remains the major causative agent of clinical bacillary dysentery. Based on contemporary epidemiology, a tetravalent Outer Membrane Vesicle (OMVs) based immunogen was formulated using the most commonly circulating Shigella strains, namely, S. flexneri 2a, S.

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This article summarises the activities of the Bacterial Viruses Subcommittee of the International Committee on Taxonomy of Viruses for the period of March 2021-March 2022. We provide an overview of the new taxa proposed in 2021, approved by the Executive Committee, and ratified by vote in 2022. Significant changes to the taxonomy of bacterial viruses were introduced: the paraphyletic morphological families Podoviridae, Siphoviridae, and Myoviridae as well as the order Caudovirales were abolished, and a binomial system of nomenclature for species was established.

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Background: Circadian rhythm is characterised by daily variations in biological activity to align with the light and dark cycle. These diurnal variations, in turn, influence physiological functions such as blood pressure, temperature, and sleep-wake cycle. Though it is well established that the circadian pathway is linked to pro-inflammatory responses and circulating immune cells, its association with infectious diseases is widely unknown.

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Twin pregnancies are often associated with adverse obstetric outcomes. The mother-to-child transmission of the human immunodeficiency virus (HIV) in twin pregnancies has been less explored. Therefore, the present study aimed to determine the risk of vertical transmission of HIV in HIV-exposed twin pregnancies compared with that of singleton pregnancies and to explore the associated factors.

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Article Synopsis
  • Researchers sequenced 239 SARS-CoV-2 RNA samples from eastern India during the second pandemic wave, revealing rapid evolution of the virus through various mutations.
  • They discovered a unique set of eight non-Spike mutations in Delta variant strains, which were highly correlated and led to a new subcluster distinct from other Delta lineages.
  • The findings suggest that monitoring these non-Spike mutations is crucial for developing future vaccines that can effectively target emerging variants that may evade current immunity, especially in unvaccinated populations.
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Antimicrobial resistance (AMR) in bacteria is an important global health problem affecting humans, animals, and the environment. AMR is considered as one of the major components in the "global one health". Misuse/overuse of antibiotics in any one of the segments can impact the integrity of the others.

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This discourse attempts to capture a few important dimensions of gut physiology like microbial homeostasis, short chain fatty acid (SCFA) production, occludin expression, and gut permeability in post-natal life of mice those received arsenic only during pre-natal life. Adult Balb/c mice were fed with 4 ppm arsenic trioxide in drinking water during breeding and gestation. After the birth of the pups, the arsenic water was withdrawn and replaced with clean drinking water.

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The International Natural Product Sciences Taskforce (INPST) and the power of Twitter networking exemplified through #INPST hashtag analysis.

Phytomedicine

January 2023

Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Xinchuan Road 2222, Chengdu, Sichuan, China. Electronic address:

Article Synopsis
  • Digital technologies and open innovation have led to the creation of virtual organizations, exemplified by the International Natural Product Sciences Taskforce (INPST), established in 2018 for collaboration in natural product research.
  • The INPST utilized Twitter for a week-long networking event in June 2021, using the hashtag #INPST to facilitate interactions among participants.
  • Analysis of the event revealed 6,036 tweets from 686 users, resulting in over 65 million impressions, highlighting Twitter's effectiveness for hosting international biomedical research discussions.
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Burden of Shigella in South Asia: a systematic review and meta-analysis.

J Travel Med

February 2023

Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.

Background: Shigella remains one of the most common causes of diarrhoea in South Asia. Current estimates of the prevalence of Shigella are critical for guiding control measures. We estimated the prevalence of Shigella species and serogroups in South Asia.

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Inactivated Strains That Express TcpA via the -139F Allele Induce Antibody Responses against TcpA.

J Microbiol Biotechnol

November 2022

Department of Pharmacy, College of Pharmacy, Hanyang University, Ansan 15588, Republic of Korea.

Article Synopsis
  • Cholera is a significant global health issue, and oral cholera vaccines (OCVs) are a key prevention strategy, with research suggesting the need to enhance their effectiveness against various cholera antigens beyond just O-antigen.
  • Patients recovering from cholera develop specific antibody responses that are crucial for immunity, highlighting the importance of targeting antigens like TCP and CT in OCV development.
  • Recent studies indicate that strains expressing the -139F allele can stimulate strong antibody responses in mice, making them promising candidates for improved inactivated OCVs that could lead to better protection against cholera.
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Epidemiological studies on amoebic infections are complicated by morphological overlap between the pathogenic E. histolytica, the commensal E. dispar and the amphizoic E.

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Diarrheal disease remains a great public health problem in many countries. Enteric infections caused by several viral, bacterial and parasitic species not only affect the host, but also alter the gut microbiome. The host physiology dictates the intestinal milieu and decides the composition and richness of gut microbiota, which forms a homeostatic ecosystem with numerous functions and provide protection against invading pathogens.

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Nanotization of biomass for interesting biomedical applications is still in the nascent stage with no visible market available products. While products derived from biomass DNA and protein have unquestionable biocompatibility, induction of desired properties needs careful manipulation of the biomolecules. Herein, for the first time, we report the transformation of onion derived biomass DNA into DNA-dots through its partial hydrothermal pyrolysis to induce improved mechanical and photophysical properties.

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Background: Rotavirus is the foremost cause of acute gastroenteritis among infants in resource-poor countries, causing severe morbidity and mortality. The currently available rotavirus vaccines are effective in reducing severity of the disease but not the infection rates, thus antivirals as an adjunct therapy are needed to reduce the morbidity in children. Viruses rely on host cellular machinery for nearly every step of the replication cycle.

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Background: Crowdsourcing is a low-cost, adaptable, and innovative method to collect ideas from numerous contributors with diverse backgrounds. Crowdsourcing from social media like Twitter can be used for generating ideas in a noticeably brief time based on contributions from globally distributed users. The world has been challenged by the COVID-19 pandemic in the last several years.

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Article Synopsis
  • Helicobacter pylori (H. pylori) is a common bacterium linked to chronic gastritis, peptic ulcers, and gastric cancer, with varying virulence and resistance factors, especially in India.
  • A study analyzed the genomes of 143 H. pylori strains from eastern and southern India, revealing distinct regional differences in antibiotic resistance and virulence genes.
  • Findings indicate lower resistance to amoxicillin and furazolidone in eastern strains, while resistance to metronidazole and clarithromycin is more prevalent; this suggests careful antibiotic use in eastern India and highlights the need for understanding local strain characteristics.
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Non-typhoidal serotypes are well adapted to utilize the inflammation for colonization in the mammalian gut mucosa and cause loss of the integrity of the epithelial barrier in the mammalian intestine. The present study assessed the protective efficacy of fish oil-in-water nanoemulsion, compared to the conventional emulsion, towards the intestinal epithelial barrier against invasive infection of serovar Typhimurium strain SL1344 in an streptomycin-treated mouse model. Non-typhoidal serovar Typhimurium strain SL1344 expresses its invasiveness by creating extreme inflammatory assault in the mammalian host lumen its repertoire of secretory or membrane-bound proteins.

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Aim: To develop an accurate lab score based on in-hospital patients' potent clinical and biological parameters for predicting COVID-19 patient severity during hospital admission.

Methods: To conduct this retrospective analysis, a derivation cohort was constructed by including all the available biological and clinical parameters of 355 COVID positive patients (recovered = 285, deceased = 70), collected in November 2020-September 2021. For identifying potent biomarkers and clinical parameters to determine hospital admitted patient severity or mortality, the receiver operating characteristics (ROC) curve and Fischer's test analysis was performed.

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