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  1. Article ; Online: KI04 an Aminoglycosides-Derived Molecule Acts as an Inhibitor of Human Connexin46 Hemichannels Expressed in HeLa Cells.

    Chang, Cheng-Wei T / Poudyal, Naveena / Verdugo, Daniel A / Peña, Francisca / Stehberg, Jimmy / Retamal, Mauricio A

    Biomolecules

    2023  Volume 13, Issue 3

    Abstract: Background: Connexins (Cxs) are proteins that help cells to communicate with the extracellular media and with the cytoplasm of neighboring cells. Despite their importance in several human physiological and pathological conditions, their pharmacology is ... ...

    Abstract Background: Connexins (Cxs) are proteins that help cells to communicate with the extracellular media and with the cytoplasm of neighboring cells. Despite their importance in several human physiological and pathological conditions, their pharmacology is very poor. In the last decade, some molecules derived from aminoglycosides have been developed as inhibitors of Cxs hemichannels. However, these studies have been performed in
    Methods: We transfected HeLa cells with the human Cx46tGFP and characterized the effect of a kanamycin-derived molecule (KI04) on Cx46 hemichannel activity by time-lapse recordings, changes in phosphorylation by Western blot, localization by epifluorescence, and possible binding sites by molecular dynamics (MD).
    Results: We observed that kanamycin and KI04 were the most potent inhibitors of Cx46 hemichannels among several aminoglycosides, presenting an IC
    Results: These results demonstrate that KI04 could be used as a Cx46 inhibitor and could help to develop future selective Cx46 inhibitors.
    MeSH term(s) Animals ; Humans ; HeLa Cells ; Aminoglycosides ; Escherichia coli/metabolism ; Connexins/metabolism ; Anti-Bacterial Agents ; Kanamycin/pharmacology ; Mammals/metabolism
    Chemical Substances GJA3 protein, human ; Aminoglycosides ; Connexins ; Anti-Bacterial Agents ; Kanamycin (59-01-8)
    Language English
    Publishing date 2023-02-22
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 2701262-1
    ISSN 2218-273X ; 2218-273X
    ISSN (online) 2218-273X
    ISSN 2218-273X
    DOI 10.3390/biom13030411
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Considerations for Expanding Antimicrobial Resistance Surveillance Networks.

    Gallagher, Patrick / Shaw, Alina / Bhandari, Amit / Poudyal, Nimesh / Holm, Marianne / MacWright, William R

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2023  Volume 77, Issue Suppl 7, Page(s) S578–S580

    Abstract: Capturing Data on Antimicrobial Resistance Patterns and Trends in Use in Regions of Asia (CAPTURA) gained insight into the range of national antimicrobial resistance (AMR) stakeholders' long-term visions for AMR surveillance networks. As national AMR ... ...

    Abstract Capturing Data on Antimicrobial Resistance Patterns and Trends in Use in Regions of Asia (CAPTURA) gained insight into the range of national antimicrobial resistance (AMR) stakeholders' long-term visions for AMR surveillance networks. As national AMR networks mature, stakeholders often contemplate adding laboratories to the network to achieve greater representativeness, boost data quantity, or meet other goals. Therefore, stakeholders should carefully select laboratories for expansion based on their goals and several practical criteria. Based on CAPTURA experience, the key criteria a national network may consider when expanding its AMR surveillance network include location, laboratory ownership, access to linked clinical and prescription databases, logistical ease, a laboratory's collaborative spirit, laboratory practices and equipment, laboratory staffing and quality assessments, laboratory methods and specimen types, data cleanliness and completeness, and the quantity of AMR data.
    MeSH term(s) Humans ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/therapeutic use ; Drug Resistance, Bacterial ; Laboratories ; Asia
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2023-12-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciad548
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Amphiphilic aminoglycosides: Modifications that revive old natural product antibiotics.

    Takemoto, Jon Y / Altenberg, Guillermo A / Poudyal, Naveena / Subedi, Yagya P / Chang, Cheng-Wei T

    Frontiers in microbiology

    2022  Volume 13, Page(s) 1000199

    Abstract: ... Widely- ... ...

    Abstract Widely-used
    Language English
    Publishing date 2022-09-23
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2022.1000199
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Chlamydia trachomatis in women with pelvic inflammatory disease (PID): report from a tertiary center in eastern Nepal.

    Khanal, B / Siwakoti, S / Uprety, D / Poudyal, N / Sharma, A / Bhattarai, N R

    Tropical doctor

    2019  Volume 49, Issue 2, Page(s) 101–104

    Abstract: Chlamydia trachomatis is an important agent of pelvic inflammatory disease (PID) globally. Laboratory diagnosis, which is vital for early and appropriate treatment, remains a challenge in resource-limited settings. Our study was undertaken to detect C. ... ...

    Abstract Chlamydia trachomatis is an important agent of pelvic inflammatory disease (PID) globally. Laboratory diagnosis, which is vital for early and appropriate treatment, remains a challenge in resource-limited settings. Our study was undertaken to detect C. trachomatis in women with clinical features of PID. Three endocervical swabs, each obtained from 100 women clinically diagnosed with PID, were subjected to C. trachomatis antigen detection, microscopy and bacteriological culture. Logistic regression was used to assess the risk factors associated with PID. C. trachomatis antigen was present in 6%. The use of hormonal contraception, previous history of PID and a smoking habit were found to have statistically significant association in those who tested positive. Adjunctive use of rapid Chlamydia antigen test with a routinely practiced syndromic approach is beneficial for timely and appropriate antimicrobial therapy in women with PID.
    MeSH term(s) Adult ; Chlamydia Infections/diagnosis ; Chlamydia Infections/epidemiology ; Chlamydia trachomatis/isolation & purification ; Early Diagnosis ; Female ; Humans ; Nepal/epidemiology ; Pelvic Inflammatory Disease/epidemiology ; Pelvic Inflammatory Disease/microbiology ; Pelvic Inflammatory Disease/pathology ; Risk Factors ; Vaginal Smears
    Language English
    Publishing date 2019-02-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 193169-6
    ISSN 1758-1133 ; 0049-4755
    ISSN (online) 1758-1133
    ISSN 0049-4755
    DOI 10.1177/0049475519826195
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Adolescents with disabilities and caregivers experience of COVID-19 in rural Nepal.

    Morrison, Joanna / Poudyal, Niraj / Pun, Insha / Prasai, Sagar / Shrestha, Nir / Khadka, Dipesh / Shrestha, Sushmita / Rohwerder, Brigitte / Wickenden, Mary

    Frontiers in public health

    2023  Volume 11, Page(s) 1189067

    Abstract: Introduction: Intersecting vulnerabilities of disability, low socio-economic status, marginalization, and age indicate that adolescents with disabilities in low-and middle-income countries were uniquely affected by the COVID-19 pandemic. Yet, there has ... ...

    Abstract Introduction: Intersecting vulnerabilities of disability, low socio-economic status, marginalization, and age indicate that adolescents with disabilities in low-and middle-income countries were uniquely affected by the COVID-19 pandemic. Yet, there has been limited research about their experience. We conducted participatory research with adolescents with disabilities in rural, hilly Nepal to explore their experience of the pandemic and inform understanding about how they can be supported in future pandemics and humanitarian emergencies.
    Methods: We used qualitative methods, purposively sampling adolescents with different severe impairments from two rural, hilly areas of Nepal. We collected data through semi-structured interviews with five girls and seven boys between the age of 11 and 17 years old. Interviews used inclusive, participatory, and arts-based methods to engage adolescents, support discussions and enable them to choose what they would like to discuss. We also conducted semi-structured interviews with 11 caregivers.
    Results: We found that adolescents with disabilities and their families experienced social exclusion and social isolation because of COVID-19 mitigation measures, and some experienced social stigma due to misconceptions about transmission of COVID-19 and perceived increased vulnerability of adolescents with disabilities to COVID-19. Adolescents who remained connected with their peers throughout lockdown had a more positive experience of the pandemic than those who were isolated from friends. They became disconnected because they moved away from those they could communicate with, or they had moved to live with relatives who lived in a remote, rural area. We found that caregivers were particularly fearful and anxious about accessing health care if the adolescent they cared for became ill. Caregivers also worried about protecting adolescents from COVID-19 if they themselves got ill, and about the likelihood that the adolescent would be neglected if the caregiver died.
    Conclusion: Contextually specific research with adolescents with disabilities to explore their experience of the pandemic is necessary to capture how intersecting vulnerabilities can adversely affect particular groups, such as those with disabilities. The participation of adolescents with disabilities and their caregivers in the development of stigma mitigation initiatives and strategies to meet their needs in future emergencies is necessary to enable an informed and inclusive response.
    MeSH term(s) Male ; Female ; Humans ; Adolescent ; Child ; Caregivers ; Nepal/epidemiology ; Emergencies ; Pandemics ; COVID-19/epidemiology ; Communicable Disease Control ; Disabled Persons
    Language English
    Publishing date 2023-06-09
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2711781-9
    ISSN 2296-2565 ; 2296-2565
    ISSN (online) 2296-2565
    ISSN 2296-2565
    DOI 10.3389/fpubh.2023.1189067
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Comparable detection of HPV using real-time PCR in paired cervical samples and concentrated first-stream urine collected with Colli-Pee device.

    Nilyanimit, Pornjarim / Chaithongwongwatthana, Surasith / Oranratanaphan, Shina / Poudyal, Nimesh / Excler, Jean-Louis / Lynch, Julia / Vongpunsawad, Sompong / Poovorawan, Yong

    Diagnostic microbiology and infectious disease

    2023  Volume 108, Issue 3, Page(s) 116160

    Abstract: We compared high-risk human papillomavirus (HPV) detection on first-stream urine from self-sampled collection device (Colli-Pee) and same-day clinician-collected cervical swab in 240 women. Testing with automated cobas 4800 system showed 96.7 % ... ...

    Abstract We compared high-risk human papillomavirus (HPV) detection on first-stream urine from self-sampled collection device (Colli-Pee) and same-day clinician-collected cervical swab in 240 women. Testing with automated cobas 4800 system showed 96.7 % concordance (198 concordant-negative, 34 concordant-positive, Cohen's kappa=0.87). HPV testing on Colli-Pee urine offers advantages for acceptable non-invasive HPV screening.
    MeSH term(s) Female ; Humans ; Real-Time Polymerase Chain Reaction ; Papillomavirus Infections/diagnosis ; Sensitivity and Specificity ; Papillomaviridae/genetics ; DNA, Viral/genetics ; DNA, Viral/analysis ; Uterine Cervical Neoplasms/diagnosis ; Early Detection of Cancer ; Uterine Cervical Dysplasia/diagnosis
    Chemical Substances DNA, Viral
    Language English
    Publishing date 2023-12-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 604920-5
    ISSN 1879-0070 ; 0732-8893
    ISSN (online) 1879-0070
    ISSN 0732-8893
    DOI 10.1016/j.diagmicrobio.2023.116160
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: The Reality of Antimicrobial Resistance and Antibiotic Usage Data in Asia: The CAPTURA Experience.

    Leslie, Toby / Parry, Claudia / Ondoa, Pascale / Walsh, Timothy / Moore, Catrin / Poudyal, Nimesh / Marks, Florian / Gordon, N Claire

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2023  Volume 77, Issue Suppl 7, Page(s) S497–S499

    Abstract: Antimicrobial resistance (AMR), particularly in low- and middle-income countries, is threatening to undermine advances in health and development. Scarce technical and human resources in these countries limit the collection of quality AMR data for ... ...

    Abstract Antimicrobial resistance (AMR), particularly in low- and middle-income countries, is threatening to undermine advances in health and development. Scarce technical and human resources in these countries limit the collection of quality AMR data for evidence-based decision-making. The CAPTURA consortium, funded by the Fleming Fund, was implemented across 7 countries in the South and Southeast Asian region. The program focused on collating historical bacteriological data for qualitative and quantitative analyses. The team gathered standard data on the quality of laboratories and clinics and the quality and quantity of retrospective historical AMR data. In addition, retrospective data on antimicrobial use and consumption were analyzed. While standard protocols guided the project, a tailored approach for stakeholder engagement was implemented to work with countries and secure data-sharing agreements. The program also had to navigate the challenges of the COVID-19 pandemic, making some innovative adaptations to overcome logistical barriers. From 2018 through 2022, a large body of data was collected that was used to base a series of recommended key measures for strengthening the development of standardized national surveillance programs and to support alignment with international efforts.
    MeSH term(s) Humans ; Anti-Bacterial Agents/therapeutic use ; Pandemics ; Retrospective Studies ; Drug Resistance, Bacterial ; Asia/epidemiology
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2023-12-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciad580
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Key Recommendations for Antimicrobial Resistance Surveillance: Takeaways From the CAPTURA Project.

    Aboushady, Ahmed Taha / Sujan, Mohammad Julhas / Pham, Kien / Clark, Adam / Marks, Florian / Holm, Marianne / Joh, Hea Sun / Poudyal, Nimesh / Stelling, John

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2023  Volume 77, Issue Suppl 7, Page(s) S581–S587

    Abstract: Antimicrobial resistance (AMR) is a growing global public health challenge associated with 4.95 million deaths in 2019 and an estimated 10 million deaths per year by 2050 in the absence of coordinated action. A robust AMR surveillance system is therefore ...

    Abstract Antimicrobial resistance (AMR) is a growing global public health challenge associated with 4.95 million deaths in 2019 and an estimated 10 million deaths per year by 2050 in the absence of coordinated action. A robust AMR surveillance system is therefore required to avert such a scenario. Based on an analysis of country-level AMR data in 8 Capturing Data on Antimicrobial Resistance Patterns and Trends in Use in Regions of Asia (CAPTURA) countries, we present a list of key recommendations to strengthen AMR surveillance. We propose 10 primary considerations under 3 broad categories, including recommendations on (1) laboratory and testing practices, (2) data management and analysis, and (3) data use.
    MeSH term(s) Humans ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/therapeutic use ; Drug Resistance, Bacterial ; Asia ; Public Health ; Laboratories
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2023-12-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciad487
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Collecting Multi-country Retrospective Antimicrobial Consumption and Use Data: Challenges and Experience.

    Prifti, Kristi / Chi, Kyu-Young Kevin / Eraly, Emmanuel / Joh, Hea Sun / Sujan, Mohammad Julhas / Poudyal, Nimesh / Marks, Florian / Holm, Marianne

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2023  Volume 77, Issue Suppl 7, Page(s) S528–S535

    Abstract: Excessive or inappropriate antimicrobial use contributes to antimicrobial resistance, emphasizing the need to monitor and document the types and quantities of antibiotics used. Thus, data on antimicrobial consumption (AMC) and antimicrobial usage (AMU) ... ...

    Abstract Excessive or inappropriate antimicrobial use contributes to antimicrobial resistance, emphasizing the need to monitor and document the types and quantities of antibiotics used. Thus, data on antimicrobial consumption (AMC) and antimicrobial usage (AMU) are key in informing and promoting judicious use. Our study, conducted during 2019-2023, as part of the CAPTURA project, aimed to understand the state of data availability and quality for AMC and AMU monitoring in Asia. In this article, we describe the challenges and opportunities faced and provide examples of AMU and AMC analysis. World Health Organization (WHO) and country-tailored methodologies and tools were applied to collect retrospective data from 2016 to 2019 in Bangladesh, Bhutan, Laos, Nepal, Pakistan, Papua New Guinea, Sri Lanka, and Timor-Leste. The primary indicator for national AMC was total level of consumption, expressed as total defined daily doses (DDD) per 1000 inhabitants per day for the year or period of data collected. For facility AMC and AMU, the primary indicator was total DDD per admissions per day for the year or period of data collected. Although many countries faced infrastructural challenges in data collection and storage, we managed to collect and analyze AMC data from 6 countries and AMU data from 5. The primary indicators, and additional findings, were visualized to facilitate dissemination and promote the development of action plans. Looking ahead, it is crucial that future initiatives empower each country to establish surveillance infrastructures tailored to their unique contexts, ensuring sustainable progress in the fight against antimicrobial resistance.
    MeSH term(s) Humans ; Retrospective Studies ; Anti-Infective Agents/therapeutic use ; Anti-Bacterial Agents/therapeutic use ; World Health Organization ; Pakistan
    Chemical Substances Anti-Infective Agents ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-12-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciad667
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Binding Affinity, Selectivity, and Pharmacokinetics of the Oxytocin Receptor Antagonist L-368,899 in the Coyote (

    Freeman, Sara M / Catrow, J Leon / Cox, James Eric / Turano, Alexandra / Rich, McKenna A / Ihrig, Hillary P / Poudyal, Naveena / Chang, Cheng-Wei Tom / Gese, Eric M / Young, Julie K / Olsen, Aaron L

    Comparative medicine

    2024  Volume 74, Issue 1, Page(s) 3–11

    Abstract: L-368,899 is a selective small-molecule oxytocin receptor (OXTR) antagonist originally developed in the 1990s to prevent preterm labor. Although its utility for that purpose was limited, L-368,899 is now one of the most commonly used drugs in animal ... ...

    Abstract L-368,899 is a selective small-molecule oxytocin receptor (OXTR) antagonist originally developed in the 1990s to prevent preterm labor. Although its utility for that purpose was limited, L-368,899 is now one of the most commonly used drugs in animal research for the selective blockade of neural OXTR after peripheral delivery. A growing number of rodent and primate studies have used L-368,899 to evaluate whether certain behaviors are oxytocin dependent. These studies have improved our understanding of oxytocin's function in the brains of rodents and monkeys, but very little work has been done in other mammals, and only a single paper in macaques has provided any evidence that L-368,899 can be detected in the CNS after peripheral delivery. The current study sought to extend those findings in a novel species: coyotes (
    MeSH term(s) Animals ; Receptors, Oxytocin ; Coyotes/physiology ; Oxytocin ; Primates ; Vasopressins ; Camphanes ; Piperazines
    Chemical Substances Receptors, Oxytocin ; L 368899 (ER33G946JT) ; Oxytocin (50-56-6) ; Vasopressins (11000-17-2) ; Camphanes ; Piperazines
    Language English
    Publishing date 2024-03-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2006425-1
    ISSN 2769-819X ; 0023-6764 ; 1532-0820
    ISSN (online) 2769-819X
    ISSN 0023-6764 ; 1532-0820
    DOI 10.30802/AALAS-CM-23-000044
    Database MEDical Literature Analysis and Retrieval System OnLINE

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