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  1. Article ; Online: Biological Aging in People Living with HIV on Successful Antiretroviral Therapy: Do They Age Faster?

    Akusjärvi, Sara Svensson / Neogi, Ujjwal

    Current HIV/AIDS reports

    2023  Volume 20, Issue 2, Page(s) 42–50

    Abstract: Purpose of review: In the absence of a prophylactic/therapeutic vaccine or cure, the most amazing achievement in the battle against HIV was the discovery of effective, well-tolerated combination antiretroviral therapy (cART). The primary research ... ...

    Abstract Purpose of review: In the absence of a prophylactic/therapeutic vaccine or cure, the most amazing achievement in the battle against HIV was the discovery of effective, well-tolerated combination antiretroviral therapy (cART). The primary research question remains whether PLWH on prolonged successful therapy has accelerated, premature, or accentuated biological aging. In this review, we discuss the current understanding of the immunometabolic profile in PLWH, potentially associated with biological aging, and a better understanding of the mechanisms and temporal dynamics of biological aging in PLWH.
    Recent findings: Biological aging, defined by the epigenetic alterations analyzed by the DNA methylation pattern, has been reported in PLWH with cART that points towards epigenetic age acceleration. The hastened development of specific clinical geriatric syndromes like cardiovascular diseases, metabolic syndrome, cancers, liver diseases, neurocognitive diseases, persistent low-grade inflammation, and a shift toward glutamate metabolism in PLWH may potentiate a metabolic profile at-risk for accelerated aging.
    MeSH term(s) Humans ; Aged ; HIV Infections/complications ; Aging ; Cardiovascular Diseases/prevention & control ; Cardiovascular Diseases/complications
    Language English
    Publishing date 2023-01-25
    Publishing country United States
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ZDB-ID 2151206-1
    ISSN 1548-3576 ; 1548-3568
    ISSN (online) 1548-3576
    ISSN 1548-3568
    DOI 10.1007/s11904-023-00646-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Following the path: Increasing trends of HIV-1 drug resistance in China.

    Gupta, Soham / Neogi, Ujjwal

    EClinicalMedicine

    2020  Volume 18, Page(s) 100251

    Language English
    Publishing date 2020-01-06
    Publishing country England
    Document type Journal Article
    ISSN 2589-5370
    ISSN (online) 2589-5370
    DOI 10.1016/j.eclinm.2019.100251
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Following the path

    Soham Gupta / Ujjwal Neogi

    EClinicalMedicine, Vol 18, Iss , Pp - (2020)

    Increasing trends of HIV-1 drug resistance in China

    2020  

    Keywords Medicine (General) ; R5-920
    Language English
    Publishing date 2020-01-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Temporal cytokine storm dynamics in dengue infection predicts severity.

    Bhatt, Puneet / Varma, Muralidhar / Sood, Vikas / Ambikan, Anoop / Jayaram, Anup / Babu, Naren / Gupta, Soham / Mukhopadhyay, Chiranjay / Neogi, Ujjwal

    Virus research

    2024  Volume 341, Page(s) 199306

    Abstract: The immunopathogenesis of dengue severity is convoluted. The primary objective of the research was to examine the dynamics of cytokine storm and its correlation with disease development in individuals affected by DENV infection. Additionally, the study ... ...

    Abstract The immunopathogenesis of dengue severity is convoluted. The primary objective of the research was to examine the dynamics of cytokine storm and its correlation with disease development in individuals affected by DENV infection. Additionally, the study aimed to discover potential biomarkers that could indicate severe dengue infection and determine the most suitable timeframe for predicting the severity of these biomarkers during the acute stage of dengue infections. We conducted a temporal analysis of the daily viral load and cytokine levels in 60 hospitalized dengue patients until discharge. Our findings reveal a distinct cytokine profile (elevated IL-8, IL-10, IL-6, GM-CSF, MCP-1, IL-13, and IL-4 and decreased IL-12, MIP-1β) on the third day after symptom onset is predictive of severe dengue in secondary dengue infection. The imbalanced cytokine signature may inform clinical decision-making in treating severe dengue infections.
    MeSH term(s) Humans ; Severe Dengue ; Dengue ; Dengue Virus ; Cytokine Release Syndrome ; Cytokines ; Biomarkers
    Chemical Substances Cytokines ; Biomarkers
    Language English
    Publishing date 2024-01-06
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 605780-9
    ISSN 1872-7492 ; 0168-1702
    ISSN (online) 1872-7492
    ISSN 0168-1702
    DOI 10.1016/j.virusres.2023.199306
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Inflammatory, metabolic, and sex-dependent gene-regulatory dynamics of microglia and macrophages in neonatal hippocampus after hypoxia-ischemia.

    Di Martino, Elena / Ambikan, Anoop / Ramsköld, Daniel / Umekawa, Takashi / Giatrellis, Sarantis / Vacondio, Davide / Romero, Alejandro Lastra / Galán, Marta Gómez / Sandberg, Rickard / Ådén, Ulrika / Lauschke, Volker M / Neogi, Ujjwal / Blomgren, Klas / Kele, Julianna

    iScience

    2024  Volume 27, Issue 4, Page(s) 109346

    Abstract: Neonatal hypoxia-ischemia (HI) is a major cause of perinatal death and long-term disabilities worldwide. Post-ischemic neuroinflammation plays a pivotal role in HI pathophysiology. In the present study, we investigated the temporal dynamics of microglia ( ...

    Abstract Neonatal hypoxia-ischemia (HI) is a major cause of perinatal death and long-term disabilities worldwide. Post-ischemic neuroinflammation plays a pivotal role in HI pathophysiology. In the present study, we investigated the temporal dynamics of microglia (CX3CR1
    Language English
    Publishing date 2024-02-28
    Publishing country United States
    Document type Journal Article
    ISSN 2589-0042
    ISSN (online) 2589-0042
    DOI 10.1016/j.isci.2024.109346
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: The disproportionate effect of COVID-19 mortality on ethnic minorities: Genetics or health inequalities?

    El-Khatib, Ziad / Jacobs, Graeme Brendon / Ikomey, George Mondinde / Neogi, Ujjwal

    EClinicalMedicine

    2020  Volume 23, Page(s) 100430

    Keywords covid19
    Language English
    Publishing date 2020-06-18
    Publishing country England
    Document type Journal Article
    ISSN 2589-5370
    ISSN (online) 2589-5370
    DOI 10.1016/j.eclinm.2020.100430
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Antiviral drug research for Japanese encephalitis: an updated review.

    Joe, Shaun / Salam, Abdul Ajees Abdul / Neogi, Ujjwal / N, Naren Babu / Mudgal, Piya Paul

    Pharmacological reports : PR

    2022  Volume 74, Issue 2, Page(s) 273–296

    Abstract: Japanese encephalitis (JE) caused by the Japanese encephalitis virus (JEV) is one of Asia's most common viral encephalitis. JEV is a flavivirus, common in rural and sub-urban regions of Asian countries. Although only 1% of JEV-infected individuals ... ...

    Abstract Japanese encephalitis (JE) caused by the Japanese encephalitis virus (JEV) is one of Asia's most common viral encephalitis. JEV is a flavivirus, common in rural and sub-urban regions of Asian countries. Although only 1% of JEV-infected individuals develop JE, there is a 20-30% chance of death among these individuals and possible neurological sequelae post-infection. No licensed anti-JE drugs are currently available, despite extensive efforts to develop them. Literature search was performed using databases such as PubMed Central, Google Scholar, Wiley Online Library, etc. using keywords such as Japanese encephalitis virus, antiviral drugs, antiviral drug screening, antiviral drug targets, etc. From around 230 papers/abstracts and research reviews retrieved and reviewed for this study, approximately 180 most relevant and important ones have been cited. Different approaches in drug testing and various antiviral drug targets explored so far have been thoroughly searched from the literature and compiled, besides addressing the future perspectives of the antiviral drug development strategies. Although the development of effective anti-JE drugs is an urgent issue, only supportive care is currently available. Recent advancements in understanding the biology of infection and new drug targets have been promising improvements. Despite hindrances such as the unavailability of a proper drug delivery system or a treatment regimen irrespective of the stage of infection, several promising anti-JE candidate molecules are in different phases of clinical trials. Nonetheless, efficient therapy against JEV is expected to be achieved with drug combinations and a highly targeted drug delivery system soon.
    MeSH term(s) Antiviral Agents/pharmacology ; Antiviral Agents/therapeutic use ; Drug Evaluation, Preclinical ; Encephalitis Virus, Japanese ; Encephalitis, Japanese/drug therapy ; Encephalitis, Japanese/prevention & control ; Humans
    Chemical Substances Antiviral Agents
    Language English
    Publishing date 2022-02-19
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2186248-5
    ISSN 1734-1140
    ISSN 1734-1140
    DOI 10.1007/s43440-022-00355-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Composition of subgingival microbiota associated with periodontitis and diagnosis of malignancy-a cross-sectional study.

    Narayanan, Aswathy / Söder, Birgitta / Meurman, Jukka / Lundmark, Anna / Hu, Yue O O / Neogi, Ujjwal / Yucel-Lindberg, Tülay

    Frontiers in microbiology

    2023  Volume 14, Page(s) 1172340

    Abstract: Periodontitis is one of the world's most prevalent infectious conditions, affecting between 25 and 40% of the adult population. It is a consequence of the complex interactions between periodontal pathogens and their products, which trigger the host ... ...

    Abstract Periodontitis is one of the world's most prevalent infectious conditions, affecting between 25 and 40% of the adult population. It is a consequence of the complex interactions between periodontal pathogens and their products, which trigger the host inflammatory response, chronic inflammation, and tissue destruction. Chronic systemic low-grade inflammation is involved in numerous diseases, and it is also known that long-lasting inflammation and chronic infections predispose one to cancer. Here, we characterized and compared the subgingival microbiota associated with periodontitis and diagnosis of malignancy in a longitudinal 10-year follow-up study. The study was conducted on 50 patients with periodontitis and 40 periodontally healthy individuals. The recorded clinical oral health parameters were periodontal attachment loss (AL), bleeding on probing (BOP), gingival index (GI), probing depth (PD), and plaque index (PI). Subgingival plaque was collected from each participant, from which DNA was extracted, and 16S rRNA gene amplicon sequencing performed. Cancer diagnoses data were collected between the years 2008-2018 from the Swedish Cancer Registry. The participants were categorized based on having cancer at the time of sample collection (CSC), having developed cancer later (DCL), and controls without any cancer. The most abundant phyla across all 90 samples were
    Language English
    Publishing date 2023-05-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2023.1172340
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Association between gut microbiota development and allergy in infants born during pandemic-related social distancing restrictions.

    Korpela, Katri / Hurley, Sadhbh / Ford, Sinead Ahearn / Franklin, Ruth / Byrne, Susan / Lunjani, Nonhlanhla / Forde, Brian / Neogi, Ujjwal / Venter, Carina / Walter, Jens / Hourihane, Jonathan / O'Mahony, Liam

    Allergy

    2024  

    Abstract: Background: Several hypotheses link reduced microbial exposure to increased prevalence of allergies. Here we capitalize on the opportunity to study a cohort of infants (CORAL), raised during COVID-19 associated social distancing measures, to identify ... ...

    Abstract Background: Several hypotheses link reduced microbial exposure to increased prevalence of allergies. Here we capitalize on the opportunity to study a cohort of infants (CORAL), raised during COVID-19 associated social distancing measures, to identify the environmental exposures and dietary factors that contribute to early life microbiota development and to examine their associations with allergic outcomes.
    Methods: Fecal samples were sequenced from infants at 6 (n = 351) and repeated at 12 (n = 343) months, using 16S sequencing. Published 16S data from pre-pandemic cohorts were included for microbiota comparisons. Online questionnaires collected epidemiological information on home environment, healthcare utilization, infant health, allergic diseases, and diet. Skin prick testing (SPT) was performed at 12 (n = 343) and 24 (n = 320) months of age, accompanied by atopic dermatitis and food allergy assessments.
    Results: The relative abundance of bifidobacteria was higher, while environmentally transmitted bacteria such as Clostridia was lower in CORAL infants compared to previous cohorts. The abundance of multiple Clostridia taxa correlated with a microbial exposure index. Plant based foods during weaning positively impacted microbiota development. Bifidobacteria levels at 6 months of age, and relative abundance of butyrate producers at 12 months of age, were negatively associated with AD and SPT positivity. The prevalence of allergen sensitization, food allergy, and AD did not increase over pre-pandemic levels.
    Conclusions: Environmental exposures and dietary components significantly impact microbiota community assembly. Our results also suggest that vertically transmitted bacteria and appropriate dietary supports may be more important than exposure to environmental microbes alone for protection against allergic diseases in infancy.
    Language English
    Publishing date 2024-02-29
    Publishing country Denmark
    Document type Journal Article
    ZDB-ID 391933-x
    ISSN 1398-9995 ; 0105-4538
    ISSN (online) 1398-9995
    ISSN 0105-4538
    DOI 10.1111/all.16069
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Metabolic rewiring and serotonin depletion in patients with postacute sequelae of COVID-19.

    Sadlier, Corinna / Albrich, Werner C / Neogi, Ujjwal / Lunjani, Nonhlanhla / Horgan, Mary / O'Toole, Paul W / O'Mahony, Liam

    Allergy

    2022  Volume 77, Issue 5, Page(s) 1623–1625

    MeSH term(s) COVID-19 ; Disease Progression ; Humans ; Pulmonary Disease, Chronic Obstructive ; SARS-CoV-2 ; Serotonin
    Chemical Substances Serotonin (333DO1RDJY)
    Language English
    Publishing date 2022-02-17
    Publishing country Denmark
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 391933-x
    ISSN 1398-9995 ; 0105-4538
    ISSN (online) 1398-9995
    ISSN 0105-4538
    DOI 10.1111/all.15253
    Database MEDical Literature Analysis and Retrieval System OnLINE

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