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Harnessing autoimmunity with dominant self-peptide: Modulating the sustainability of tissue-preferential antigen-specific Tregs by governing the binding stability via peptide flanking residues
J Autoimmun. 2023 Sep 14;140:103094. doi: 10.1016/j.jaut.2023.103094. Online ahead of print.ABSTRACTSensitization to self-peptides induces various immunological responses, from autoimmunity to tumor immunity, depending on the peptide sequence; however, the underlying mechanisms remain unclear, and thus, curative therapeutic options considering immunity balance are limited. Herein, two overlapping dominant peptides of myelin proteolipid protein, PLP136-150 and PLP139-151, which induce different forms of experimental autoimmune encephalomyelitis (EAE), monophasic and relapsing EAE, respectively, were investigated. Mice with ...
Source: Journal of Autoimmunity - September 16, 2023 Category: Allergy & Immunology Authors: Youwei Lin Shun Sakuraba Chandirasegaran Massilamany Jayagopala Reddy Yoshimasa Tanaka Sachiko Miyake Takashi Yamamura Source Type: research
Conditional expression of NanoLuc luciferase through a multimodular system offers rapid detection of antimalarial drug activity
Exp Parasitol. 2023 Sep 14:108620. doi: 10.1016/j.exppara.2023.108620. Online ahead of print.ABSTRACTConditional gene expression is a powerful tool to investigate putative vaccine and drug targets, especially in a haploid organism such as Plasmodium falciparum. Inducible systems based on regulation of either transcription, translation, protein or mRNA stability, among others, allow switching on an off the expression of any desired gene causing specific gain or loss of function phenotypes. However, those systems can be cumbersome involving the construction of large plasmids and generation of multiple transgenic parasite lin...
Source: Experimental Parasitology - September 16, 2023 Category: Parasitology Authors: Caroline Lima Ignasi B Verdaguer Gerhard Wunderlich Alejandro M Katzin Brendan S Crabb Paul R Gilson Mauro F Azevedo Source Type: research
Examining the Influence of Imbalanced Social Contact Matrices in Epidemic Models
Am J Epidemiol. 2023 Sep 15:kwad185. doi: 10.1093/aje/kwad185. Online ahead of print.ABSTRACTTransmissible infections such as those caused by SARS-CoV-2 spread according to who contacts whom. Therefore, many epidemic models incorporate contact patterns through contact matrices. Contact matrices can be generated from social contact survey data. However, the resulting matrices are often imbalanced, such that the total number of contacts reported by group A with group B do not match those reported by group B with group A. We examine the theoretical influence of imbalanced contact matrices on the estimated basic reproduction n...
Source: Am J Epidemiol - September 16, 2023 Category: Epidemiology Authors: Mackenzie Hamilton Jesse Knight Sharmistha Mishra Source Type: research
Harnessing autoimmunity with dominant self-peptide: Modulating the sustainability of tissue-preferential antigen-specific Tregs by governing the binding stability via peptide flanking residues
J Autoimmun. 2023 Sep 14;140:103094. doi: 10.1016/j.jaut.2023.103094. Online ahead of print.ABSTRACTSensitization to self-peptides induces various immunological responses, from autoimmunity to tumor immunity, depending on the peptide sequence; however, the underlying mechanisms remain unclear, and thus, curative therapeutic options considering immunity balance are limited. Herein, two overlapping dominant peptides of myelin proteolipid protein, PLP136-150 and PLP139-151, which induce different forms of experimental autoimmune encephalomyelitis (EAE), monophasic and relapsing EAE, respectively, were investigated. Mice with ...
Source: Journal of Autoimmunity - September 16, 2023 Category: Allergy & Immunology Authors: Youwei Lin Shun Sakuraba Chandirasegaran Massilamany Jayagopala Reddy Yoshimasa Tanaka Sachiko Miyake Takashi Yamamura Source Type: research
Omega-3 polyunsaturated fatty acids and the psychiatric post-acute sequelae of COVID-19: A one-year retrospective cohort analysis of 33,908 patients
CONCLUSION: Omega-3 PUFAs may require re-evaluation as a preventive strategy against adverse mental health outcomes post-COVID-19 in placebo-controlled clinical trials.PMID:37716377 | DOI:10.1016/j.bbi.2023.09.008
Source: Brain, Behavior, and Immunity - September 16, 2023 Category: Neurology Authors: Ting-Hui Liu Chung-Han Ho Daniel Tzu-Li Chen Jheng-Yan Wu Po-Yu Huang Chih-Cheng Lai Kuang-Yang Hsieh Kuan-Pin Su Source Type: research
A booster administration of the OKA/SK strain causes fatal disseminated varicella in an immunocompetent child
We report the first fatal case of VZV infection caused by OKA/SK strain contained in the vaccine administrated as a booster shot in an immunocompetent child, which has been independently developed from any currently available varicella vaccines that are OKA strain or MAV/06 strain based. The patient died due to sudden pulmonary alveolar hemorrhage as a secondary complication of VZV pneumonitis. Sequencing of the four SNPs unique to the OKA/SK strain (SNP loci 14 035T; 32 626C; 58 777G; 70 319G) enabled discrimination of the strain responsible for the disseminated infection. OKA/SK strain does not have any SNPs in ORF62 pos...
Source: Herpes - September 16, 2023 Category: Infectious Diseases Authors: Hyun Mi Kang Kyu Ri Kang Ye Ji Kim Jin Han Kang Soo-Young Lee Source Type: research
Harnessing autoimmunity with dominant self-peptide: Modulating the sustainability of tissue-preferential antigen-specific Tregs by governing the binding stability via peptide flanking residues
J Autoimmun. 2023 Sep 14;140:103094. doi: 10.1016/j.jaut.2023.103094. Online ahead of print.ABSTRACTSensitization to self-peptides induces various immunological responses, from autoimmunity to tumor immunity, depending on the peptide sequence; however, the underlying mechanisms remain unclear, and thus, curative therapeutic options considering immunity balance are limited. Herein, two overlapping dominant peptides of myelin proteolipid protein, PLP136-150 and PLP139-151, which induce different forms of experimental autoimmune encephalomyelitis (EAE), monophasic and relapsing EAE, respectively, were investigated. Mice with ...
Source: Journal of Autoimmunity - September 16, 2023 Category: Allergy & Immunology Authors: Youwei Lin Shun Sakuraba Chandirasegaran Massilamany Jayagopala Reddy Yoshimasa Tanaka Sachiko Miyake Takashi Yamamura Source Type: research
Examining the Influence of Imbalanced Social Contact Matrices in Epidemic Models
Am J Epidemiol. 2023 Sep 15:kwad185. doi: 10.1093/aje/kwad185. Online ahead of print.ABSTRACTTransmissible infections such as those caused by SARS-CoV-2 spread according to who contacts whom. Therefore, many epidemic models incorporate contact patterns through contact matrices. Contact matrices can be generated from social contact survey data. However, the resulting matrices are often imbalanced, such that the total number of contacts reported by group A with group B do not match those reported by group B with group A. We examine the theoretical influence of imbalanced contact matrices on the estimated basic reproduction n...
Source: Am J Epidemiol - September 16, 2023 Category: Epidemiology Authors: Mackenzie Hamilton Jesse Knight Sharmistha Mishra Source Type: research
Association of vaccine-specific regulatory T cells with reduced antibody response to repeated influenza vaccination
This article is protected by copyright. All rights reserved.PMID:37713727 | DOI:10.1002/eji.202350525
Source: European Journal of Immunology - September 15, 2023 Category: Allergy & Immunology Authors: Pin-Hung Lin Po-Ju Hsiao Ching-Fu Pan Ming-Tsan Liu Jann-Tay Wang Chi Ching Fang-Yi Wu Yi-Hsuan Lin Yu-Chan Yang Le-Yin Hsu Hung-Chih Yang Un-In Wu Source Type: research
Advancements in Nipah virus treatment: Analysis of current progress in vaccines, antivirals, and therapeutics
Immunology. 2023 Sep 15. doi: 10.1111/imm.13695. Online ahead of print.ABSTRACTNipah virus (NiV) causes severe encephalitis in humans. Three NiV strains NiV-Malaysia (NiVM ), NiV Bangladesh (NiVB ), and NiV India (NiVI reported in 2019) have been circulating in South-Asian nations. Sporadic outbreak observed in South-East Asian countries but human to human transmission raises the concern about its pandemic potential. The presence of the viral genome in reservoir bats has further confirmed that NiV has spread to the African and Australian continents. NiV research activities have gained momentum to achieve specific preparedn...
Source: Immunology - September 15, 2023 Category: Allergy & Immunology Authors: Gayatree Mishra Vishal Prajapat Debasis Nayak Source Type: research
Association of vaccine-specific regulatory T cells with reduced antibody response to repeated influenza vaccination
This article is protected by copyright. All rights reserved.PMID:37713727 | DOI:10.1002/eji.202350525
Source: Cancer Control - September 15, 2023 Category: Cancer & Oncology Authors: Pin-Hung Lin Po-Ju Hsiao Ching-Fu Pan Ming-Tsan Liu Jann-Tay Wang Chi Ching Fang-Yi Wu Yi-Hsuan Lin Yu-Chan Yang Le-Yin Hsu Hung-Chih Yang Un-In Wu Source Type: research
Mini Review on Clinical Aspects of Monkeypox
Curr Pharm Biotechnol. 2023 Sep 14. doi: 10.2174/1389201025666230914094444. Online ahead of print.ABSTRACTMonkeypox is a disease caused by the monkeypox virus, which is a type of orthopox virus that comes from the virus family Poxviridae. Its first case reported in animals and humans was in 1958 and 1970, respectively. It is a viral zoonosis disease with two modes of transmission: animal to human (via direct contact or eating the meat of an infected animal) and human to human (via contact or contact with skin lesions, body fluids, and infected person's contaminated objects). The literature depicts that monkeypox is less co...
Source: Current Pharmaceutical Biotechnology - September 15, 2023 Category: Biotechnology Authors: Yash Saraswat Kamal Shah Source Type: research
Control groups for HIV prevention efficacy trials: what does the future hold?
Curr Opin HIV AIDS. 2023 Sep 12. doi: 10.1097/COH.0000000000000818. Online ahead of print.ABSTRACTPURPOSE OF REVIEW: Ending the HIV epidemic will require the development of additional effective immune-mediated and nonimmune-mediated means of HIV prevention. Evaluating novel interventions requires large, controlled trials demonstrating efficacy. Recent advances in the field of HIV prevention necessitate new approaches to efficacy trial design.RECENT FINDINGS: Three classes of efficacy trial designs are possible: standard of prevention-controlled trials, active-controlled trials, and active-controlled trials augmented with e...
Source: Cancer Control - September 15, 2023 Category: Cancer & Oncology Authors: Holly Janes Susan Buchbinder Source Type: research
Self-assembling Gn head ferritin nanoparticle vaccine provides full protection from lethal challenge of < em > Dabie bandavirus < /em > in aged ferrets
This study demonstrates that DBV GnH-FT nanoparticles provide an efficient vaccine efficacy in mouse and aged ferret models and should be an outstanding vaccine candidate targeted for the aged population against fatal DBV infection. IMPORTANCE Dabie bandavirus (DBV) is an emerging tick-borne virus that causes severe fever with thrombocytopenia syndrome (SFTS) in infected patients. Human SFTS symptoms progress from fever, fatigue, and muscle pain to the depletion of white blood cells and platelets with fatality rates up to 30%. The recent spread of its vector tick to over 20 states in the United States increases the potenti...
Source: Cancer Control - September 15, 2023 Category: Cancer & Oncology Authors: Dokyun Kim Eunha Kim Semi Kim Youseung Chung Chih-Jen Lai Inho Cha Sung-Dong Cho Yunseo Choi Xinghong Dai Stephanie Kim Seokmin Kang Mi-Jeong Kwak Ziyi Liu Younho Choi Su-Hyung Park Young Ki Choi Jae U Jung Source Type: research
