bluuebunny/crossref_metadata_2025 huggingface dataset:
Prescribing errors in post - COVID-19 patients: prevalence, severity, and risk factors in patients visiting a post - COVID-19 outpatient clinic
Authors: Mahomedradja Rashudy F. , van den Beukel Tessa O. , van den Bos Maaike , Wang Steven , Kalverda Kirsten A. , Lissenberg-Witte Birgit I. , Kuijvenhoven Marianne A. , Nossent Esther J. , Muller Majon , Sigaloff Kim C. E. , Tichelaar Jelle , van Agtmael Michiel A.
Published: March 2022

Background

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes coronavirus disease 2019 (COVID-19), has challenged healthcare globally. An acute increase in the number of hospitalized patients has necessitated a rigorous reorganization of hospital care, thereby creating circumstances that previously have been identified as facilitating prescribing errors (PEs), e.g. a demanding work environment, a high turnover of doctors, and prescribing beyond expertise. Hospitalized COVID-19 patients may be at risk of PEs, potentially resulting in patient harm. We determined the prevalence, severity, and risk factors for PEs in post–COVID-19 patients, hospitalized during the first wave of COVID-19 in the Netherlands, 3 months after discharge.

Methods

This prospective observational cohort study recruited patients who visited a post-COVID-19 outpatient clinic of an academic hospital in the Netherlands, 3 months after COVID-19 hospitalization, between June 1 and October 1 2020. All patients with appointments were eligible for inclusion. The prevalence and severity of PEs were assessed in a multidisciplinary consensus meeting. Odds ratios (ORs) were calculated by univariate and multivariate analysis to identify independent risk factors for PEs.

Results

Ninety-eight patients were included, of whom 92% had ≥1 PE and 8% experienced medication-related harm requiring an immediate change in medication therapy to prevent detoriation. Overall, 68% of all identified PEs were made during or after the COVID-19 related hospitalization. Multivariate analyses identified ICU admission (OR 6.08, 95% CI 2.16–17.09) and a medical history of COPD / asthma (OR 5.36, 95% CI 1.34–21.5) as independent risk factors for PEs.

Conclusions

PEs occurred frequently during the SARS-CoV-2 pandemic. Patients admitted to an ICU during COVID-19 hospitalization or who had a medical history of COPD / asthma were at risk of PEs. These risk factors can be used to identify high-risk patients and to implement targeted interventions. Awareness of prescribing safely is crucial to prevent harm in this new patient population.
Administration of probiotics to healthy volunteers: effects on reactivity of intestinal mucosa and systemic leukocytes
Authors: Stene Christina , Röme Andrada , Palmquist Ingrid , Linninge Caroline , Molin Göran , Ahrné Siv , Johnson Louis Banka , Jeppsson Bengt
Published: March 2022

Background

Oral administration of health-promoting bacteria is increasingly used in clinical practise. These bacteria have anti-inflammatory characteristics and modulate the immune system without major reported side effects. The mechanisms of action are not yet fully defined. Our aim was to study systemic effects of probiotics by measurements of leukocytes as well as local effects on rectal mucosal biopsies after adding a standardized inflammatory stimulus in vitro.

Methods

Fourteen healthy subjects were randomized to receive 1010 colony forming units/day orally of the probiotic strain Lactiplantibacillus plantarum 299 (Lp299), n = 7, or Bifidobacterium infantis CURE21 (CURE21), n = 7, for six weeks. Rectal biopsies were taken before and after ingestion of either probiotic strain product, for stimulation in vitro with tumour necrosis factor alpha (TNF-α) at 10 and 100 ng/ml respectively up to 8 h. Blood tests were sampled before and after treatment. Lactate dehydrogenase (LDH) confirmed viable tissue.

Results

Composition of the intestinal microbiota was not changed. Systemic leukocytes decreased after administration of CURE21 (P<0.05) and Lp299 (P<0.01). Levels of the pro-inflammatory cytokine IL-6 in rectal mucosa after stimulation with TNF-α were attenuated after ingestion of Lp299. No effect was seen with CURE21.

Conclusions

Administration of these probiotic strains to healthy humans show both a systemic and local reduction of inflammatory response by lowering leukocyte counts, and for Lp299 IL-6 levels in rectal mucosa. Probiotics may play an important role in the reduction of inflammatory responses expected after trauma during surgery or after pelvic irradiation.

Trial registration Clinical Trials, registration number NCT01534572, retrospectively registered (http://www.clinicaltrials.gov).
Comparison of comfort and complications of Implantable Venous Access Port (IVAP) with ultrasound guided Internal Jugular Vein (IJV) and Axillary Vein/Subclavian Vein (AxV/SCV) puncture in breast cancer patients: a randomized controlled study
Authors: Chen Yan Bo , Bao Hao Shi , Hu Ting Ting , He Zhou , Wen Biaolin , Liu Feng Tao , Su Feng Xi , Deng He Ran , Wu Jian Nan
Published: March 2022

Background

Axillary vein/subclavian vein (AxV/SCV) and Internal jugular vein (IJV) are commonly used for implantable venous access port (IVAP) implantation in breast cancer patients for chemotherapy. Previous research focused on comparison of complications while patient comfort was ignored. This study aims to compare patient comfort, surgery duration and complications of IVAP implantation between IJV and AxV/SCV approaches.

Methods

Two hundred forty-eight breast cancer patients were enrolled in this randomized controlled study from August 2020 to June 2021. Patients scheduled to undergo IVAP implantation were randomly and equally assigned to receive central venous catheters with either AxV /SCV or IJV approaches. All patients received comfort assessment using a comfort scale table at day 1, day 2 and day 7 after implantation. Patient comfort, procedure time of operation as well as early complications were compared.

Results

Patient comfort was significantly better in the AxV/SCV group than that of IJV group in day 1 (P < 0.001), day 2 (P < 0.001) and day 7(P = 0.023). Procedure duration in AxV/SCV group was slightly but significantly shorter than IJV group (27.14 ± 3.29 mins vs 28.92 ± 2.54 mins, P < 0.001). More early complications occurred in AxV/SCV group than IJV group (11/124 vs 2/124, P = 0.019). No difference of complications of artery puncture, pneumothorax or subcutaneous hematoma between these two groups but significantly more catheter misplacement in AxV/SCV group than IJV group (6/124 vs 0/124, P = 0.029). Absolutely total risk of complications was rather low in both groups (8.87% in AxV/SCV group and 1.61% in IJV group).

Conclusions

Our study indicates that patients with AxV/SCV puncture have higher comfort levels than IJV puncture. AxV/SCV puncture has shorter procedure duration but higher risk of early complications, especially catheter misplacement. Both these two approaches have rather low risk of complications. Consequently, our study provides an alternative choice for breast cancer patients to reach better comfort.
Adherence to the MIND dietary pattern and sleep quality, sleep related outcomes and mental health in male adults: a cross-sectional study
Authors: Rostami Hosein , Parastouei Karim , Samadi Mohammad , Taghdir Maryam , Eskandari Eslam
Published: March 2022

Background

A large number of studies have investigated the association of the Mediterranean and DASH diets with psychological health as well as sleep related outcomes. However, only a few number of studies have examined the association of their newly proposed hybrid, Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) dietary pattern, with sleep quality and sleep related outcomes.

Methods

This cross-sectional study was conducted on 400 male health professions (mean age 38.67 years). Dietary information was collected using a validated 168-item semi-quantitative food frequency questionnaire. The MIND score was computed based on major dietary components emphasized or minimized in this pattern. The higher the MIND score of a subject, the greater his adherence to the MIND pattern. Mental health was evaluated using the 21-item depression, anxiety, and stress scale (DASS-21). Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality. Sleep-related outcomes (day-time sleepiness and insomnia) were also evaluated using standard questionnaires

Results

No significant associations were found between adherence to the MIND diet score and odds of stress, anxiety and depression either in the crude or multivariable-adjusted models (P > 0.05). Nevertheless, participants with the greatest adherence to the MIND diet had lower odds of poor sleep quality (OR for T3 vs. T1: 0.56 (95% CI: 0.34, 0.92), P-trend = 0.023). The results remained significant after full adjustment for confounding variables (P-trend = 0.042). Participants in the highest tertile of MIND diet had a 42% lower odds of daytime sleepiness in the crude and multivariable-adjusted model (P-trend < 0.05). Although no significant association was observed between adherence to the MIND diet and severity of insomnia in the crude model (P-trend = 0.055), the multivariable-adjusted model showed that the highest adherence to the MIND diet was associated with lower odds of insomnia (OR for T3 vs. T1: 0.54 (95% CI: 0.31, 0.93), P-trend = 0.031).

Conclusion

While no significant associations were found between adherence to the MIND diet and stress, anxiety and depression, greater adherence to the MIND diet were associated with lower odds of poor sleep quality and sleep-related outcomes.
A qualitative descriptive study of providers’ perspectives on human papillomavirus vaccine administration among Latino/a adolescents in South Texas clinics: barriers and facilitators
Authors: Morales-Campos Daisy Y. , Flores Bertha E. , Donovan Erin , Burdick Suzanne , Parra-Medina Deborah , Kahn Jessica A.
Published: March 2022

Background

South Texas Latinas experience higher cervical cancer incidence and mortality compared to Latinas nationwide. Despite the availability of effective human papillomavirus vaccines, South Texas Latino/a adolescents sub-optimally complete the series. Research shows provider recommendation strongly predicts vaccine uptake, but minority adolescents are less likely to report that their provider recommended the vaccine and series completion. There is also scant information on the HPV vaccine administration process in clinic practices providing vaccination services to Latino adolescents with limited access to healthcare resources. The purpose of the study was to describe providers’ experience with administering the HPV vaccine to Latino/a patients in their practices.

Methods

The study used qualitative description to describe the experience of 15 South Texas healthcare providers (doctors and nurses) with the process of HPV vaccine administration in their practices. We conducted open ended, audio-recorded interviews, which were subsequently transcribed verbatim and uploaded into Atlas.(ti) 7.0 for analysis. The interviews yielded detailed descriptions of barriers and facilitators that could potentially impact HPV vaccine uptake.

Results

Providers identified parental exposure to provider recommendation as enhancing HPV acceptance and existing policies and implementation of evidence-based practices as facilitators of HPV vaccine uptake. Barriers ranged from parental fears of adolescent sexual activity and potential vaccine side effects to lack of transportation and the cost of the vaccine.

Conclusion

These findings reflect barriers and facilitators to administering the HPV vaccine previously identified and also highlight issues unique to the situation among Latinos in South Texas. Implications include the need to design and implement efforts to improve provider-parent communication and enhance parental and adolescent patients’ understanding of and confidence in the HPV vaccine. Furthermore, policy changes are needed to rectify organizational/structural challenges to HPV vaccine administration.
Significant variations of dangerous exposures during COVID-19 pandemic in Italy: a possible association with the containment measures implemented to reduce the virus transmission
Authors: Giordano Felice , Petrolini Valeria Margherita , Spagnolo Domenico , Fidente Rosanna Maria , Lanciotti Lucrezia , Baldassarri Lucilla , Moretti Francesco Luca , Brambilla Elena , Lonati Davide , Schicchi Azzurra , Locatelli Carlo Alessandro , Draisci Rosa
Published: March 2022

Background

In response to the COVID-19 health emergency, mass media widely spread guidelines to stop the virus transmission, leading to an excessive and unaware use of detergents and disinfectants. In Italy and in other countries this tendency caused a significant increase of exposures to these products in 2020. Evaluating data collected by the Italian Pavia Poison Centre (PPC), this study intends to examine the relationship between the COVID-19 lockdown and the variations of exposures to specific product categories possibly associated to the containment measures implemented.

Simultaneously, this work shows the effectiveness of the European Product Categorisation System (EuPCS) in surveillance activities of dangerous chemicals.

Methods

Exposure cases managed by the PPC during March–May 2020 (lockdown) and during the same months of 2017–2018-2019 were compared. Differences in categorical variables were tested with the Chi-square test. The level of significance was set at Alpha = .05. The study included all EuPCS groups but specifically focused on cleaners, detergents, biocides and cosmetics.

Results

During the lockdown, calls from private citizens showed a highly significant increase (+ 11.5%, p < .001) and occupational exposures decreased (− 11.7%, p = .011). Among Cleaners, exposures to Bleaches slightly increased while Drain cleaning products went through a significant reduction (− 13.9%, p = .035). A highly significant increase of exposures to Disinfectants was observed (+ 7.7%, p = .007), particularly to those for surfaces (+ 6.8%, p = .039). Regarding Cosmetics, both handwashing soaps and gel products significantly increased (respectively: + 25.0, p = .016 and + 9.7%, p = .028).

Among children 1–5 years, the statistical significance is reached with exposures to Dishwashing detergents (+ 13.1%, p = .032), handwashing soaps (+ 28.6%, p = .014) and handwashing gel products (+ 16.8%, p = .010). Contrarily, Liquid Laundry Detergent Capsules decreased in a highly significant manner (− 25%; p = .001). The general severity of exposures showed a highly significant decrease (Moderate: − 10.1%, p = .0002).

Conclusions

This study investigated the relationship between the COVID-19 lockdown and the variations of exposures to some product categories related to the containment measures. The results obtained support any action to be taken by Competent Authorities to implement measures for a safer use of cleaners/disinfectants. This paper shows the benefit in applying the EuPCS to categorize products according to their intended use, though an extension of this system to products not covered by CLP Regulation may be a further advantage.
Socioeconomics, health-related factors, and tooth loss among the population aged over 80 years in China
Authors: Yang Hanmo , Han Runlin , Wang Zhenjie
Published: March 2022

Background

The prevalence of tooth loss varies across the globe among oldest-old individuals. The presence of fewer than 20 teeth in old age was associated with a decrease in people’s health and quality of life. This paper explored the association between socioeconomics, health-related factors, and tooth loss among the population over the age of 80 in China.

Methods

The tooth loss status of older Chinese adults was collected with a structured questionnaire from the 8thwave of the Chinese Longitudinal Healthy Longevity Survey (CLHLS). A total of 6716 individuals aged 80 years and above were included. Logistic regression was used to assess the association between socioeconomic statuses, dietary intake at approximately 60 years old, health-related factors, and tooth loss.

Results

Of the 6716 individuals aged 80 years and above, the composition of the group with fewer teeth for both men and women was statistically significant in many ways. Multivariate logistic regression analyses show that for men, being older than 90 years and being ADL disabled (adjusted OR: 1.71, 95% CI: 1.01–2.89) are factors that are significantly and consistently associated with a higher risk of having fewer than 20 teeth, while having a higher household income per capita (adjusted OR: 0.56, 95% CI: 0.32–0.99) decreases the risk. For women, an age of above 95 years, brushing teeth less than once per day (adjusted OR: 1.96, 95% CI: 1.26–3.03), consuming sugar some of the time as opposed to less than once per month at approximately 60 years old (adjusted OR = 1.74, 95% CI: 1.15–2.62), and being ADL disabled (adjusted OR: 1.70, 95% CI: 1.04–2.77) are factors that are significantly associated with the risk of having fewer than 20 teeth.

Conclusion

The analysis suggests that socioeconomic status, dietary intake in early old age, and ADL capacity are associated with the risk of having fewer teeth for the population aged 80 years and above, and the risk factors vary between sexes.
Trends of HIV/AIDS knowledge and attitudes among Nigerian women between 2007 and 2017 using Multiple Indicator Cluster Survey data
Authors: Ukaegbu Enyinnaya , Alibekova Raushan , Ali Syed , Crape Byron , Issanov Alpamys
Published: March 2022

Background

Globally, Nigeria ranks third among the countries with the highest number of People Living with HIV (PLHIV). Given that HIV/AIDS knowledge is a key factor that determines the risk of transmission and certain attitudes towards PLHIV, there is a need to understand the trend of HIV knowledge within the population for the purpose of assessing the progress and outcome of HIV prevention strategies. The aim of the study was to understand the trends of HIV/AIDS knowledge and attitude towards PLHIV between 2007 to 2017 among Nigerian women, and to investigate change in the factors associated with HIV/AIDS knowledge and attitude towards PLHIV over years.

Methods

Data were derived from three Nigerian Multiple Indicator Cluster Surveys (2007, 2011 and 2016–2017) among women aged 15–49 years old from each geo-political zone (South South, South East, South West, North East, North West, North Central) in Nigeria. Participants who did not answer questions related to HIV/AIDS knowledge and attitude were excluded from the study. The final sample sizes were 17,733 for 2007, 26,532 for 2011 and 23,530 for 2017. In descriptive statistics, frequencies represented the study sample, while percentages represented weighted estimates for the population parameters. Rao-Scott chi-square test for complex survey design studies was used to assess bivariable associations. Factors associated with outcome variables were examined using the survey-weighted multivariable logistic regression models for the complex survey design while controlling for potential confounding variables.

Results

There was a relatively high level of HIV/AIDS knowledge level in 2007 and 2016–2017 surveys (64.6 and 64.1%, respectively), however a decrease in HIV/AIDS knowledge trend was observed in 2011 (45.6%). The positive attitude towards PLHIV progressively increased across the years (from 40.5 to 47.0% to 53.5%). Multivariable analysis revealed that women who had a higher educational level, higher wealth index, and lived in urban areas had higher odds for HIV/AIDS knowledge and positive attitude towards PLHIV across the years. In addition, the Northern zones had predominantly higher knowledge and attitude levels.

Conclusions

Our study found increasing tendency for high HIV/AIDS knowledge and positive attitude towards PLHIV over the years. Women’s age, wealth index, education level and residence were consistently associated with knowledge and attitude over the years. There is a need for more pragmatic HIV/AIDS-related knowledge action plan to target to cover all age groups, all geo-political zones while paying close attention to the rural areas and the less educated women. In addition, more replicative studies of HIV/AIDS knowledge and attitude trends is crucial in monitoring of the progress of HIV interventions in the country in the coming years.
AMICA1 is a diagnostic and prognostic biomarker and induces immune cells infiltration by activating cGAS-STING signaling in lung adenocarcinoma
Authors: Feng Ziyang , Zhang Yan , He Min , Han Ying , Cai Changjing , Liu Shanshan , Liu Ping , Chen Yihong , Shen Hong , Zeng Shan
Published: March 2022

Background

Adhesion molecule interacting with CXADR antigen 1 (AMICA1), also known as Junction Adhesion Molecule Like (JAML), a recently identified member of the JAMs family, plays a critical role in mediating cancer development and immune cells transmigration. However, AMICA1 has never been reported to be related to the genesis, development and immunotherapy effect of lung adenocarcinoma (LUAD). In this research, we investigated the role of AMICA1 in LUAD through bioinformatic analysis and in vitro experiments.

Methods

Bioinformatic analysis from TCGA and GEO databases were used to investigate the expression level of AMICA1 and the correlation between AMICA1 and clinical parameters in LUAD patients. The LinkedOmics database was analyzed to investigate the co-expression network of AMICA1. TIMER and TISIDB databases were used to analyze the correlation between AMICA1 expression and immune infiltration level. Except for bioinformatic analysis, the AMICA1 mRNA (26 patients) and protein level (6 patients) were also detected by real-time PCR and western blot. The infiltration level of CD8+ T cells (15 patients) and PD1+ T cells (13 patients) were detected by immunohistochemistry. The diagnostic value of AMICA1 was revealed by receiver operating characteristic (ROC) curves. The Spearman correlation coefficient was used to analyze the correlation between AMICA1 expression and CD8+ T cells and PD1+ T cells infiltration level.

Results

Bioinformatic data from public database and our data showed that AMICA1 was significantly downregulated in LUAD. Decreased AMICA1 expression in LUAD was associated with higher T stage, M stage and pathological stage. Kaplan–Meier survival analysis indicated that patients with low AMICA1 expression had a worse prognosis. ROC curves showed that AMICA1 had high diagnostic accuracy for LUAD patients. Multivariate Cox analysis further displayed that AMICA1 expression level was an independent prognostic factor for LUAD patients. Moreover, the expression of AMICA1 was significantly different in the immune cells subtype and was obviously linked to immune cells infiltration. In vitro experiments suggested that AMICA1 significantly suppressed the proliferation of LUAD cells and played an important role in activating cGAS-STING signaling.

Conclusions

Our study suggested that AMICA1 might function as a diagnostic and prognostic biomarker and significantly suppressed the proliferation of LUAD cells. Besides, AMICA1 is positively correlated with immune cells infiltration in LUAD, and cGAS-STING signaling might play an important role in the process.
Long noncoding RNA SNHG17: a novel molecule in human cancers
Authors: Ma Li , Gao Jin , Zhang Niu , Wang Jiawei , Xu Tianwei , Lei Tianyao , Zou Xiaoteng , Wei Chenchen , Wang Zhaoxia
Published: March 2022

Many studies in recent years have found that dysregulation of long non-coding RNAs (lncRNAs) can contribute to disease. Small nucleolar RNA host gene 17 (SNHG17) is a novel cancer-related lncRNA of the SNHG family which is highly expressed in various tumors and may exert oncogenic functions. Several studies have demonstrated that SNHG17 is closely related to the proliferation, migration, invasion, apoptosis, and chemical drug resistance of tumor cells, and clinical studies have found an association between high SNHG17 expression and poor prognosis. In this review, we summarize relevant studies investigating SNHG17, focusing on its biological function as well as its potential value for clinical applications.
Prophylactic or therapeutic administration of Holarrhena floribunda hydro ethanol extract suppresses complete Freund’s adjuvant-induced arthritis in Sprague-Dawley rats
Authors: Antwi Stephen , Oduro-Mensah Daniel , Asiedu-Larbi Jerry , Oduro-Mensah Ebenezer , Quasie Olga , Lewis Clara , Darko-Obiri David , Ocloo Augustine , Okine Laud Kenneth
Published: March 2022

Background

A hydro ethanol extract of the stem bark of Holarrhena floribunda (HFE) has been shown to be effective in the management of acute inflammation. This study was to evaluate usefulness of the extract for the management of chronic inflammation in a murine model.

Methods

Arthritis was induced in Sprague-Dawley rats using Complete Freund’s Adjuvant. Anti-arthritic effect of the extract was evaluated in prophylactic and therapeutic treatment models at doses of 50, 200 and 500 mg/kg. Parameters assessed included oedema, serology of inflammatory response, bone tissue histology and haematology. Data were analysed by ANOVA and Tukey’s multiple comparisons post hoc test.

Results

HFE at 50–500 mg/kg dose-dependently [P ≥ 0.0354 (prophylactic) and P ≥ 0.0001 (therapeutic) inhibited swelling of the injected paw upon prophylactic [≤ 81.26% (P < 0.0001) or therapeutic [≤ 67.92% (P < 0.01) administration — and prevented spread of arthritis to the contralateral paw. The inflammation alleviation activity was further demonstrated by decrease in arthritis score, radiologic score and erythrocyte sedimentation rate. HFE at all doses significantly reduced serum interleukin (IL)-1α (P < 0.0197), and 500 mg/kg HFE reduced IL-6 (P = 0.0032). In contrast, serum concentrations of IL-10, protein kinase A and cyclic adenosine monophosphate were enhanced (P ≤ 0.0436). HFE consistently showed better prophylactic than therapeutic activity.

Conclusion

HFE strongly suppressed Complete Freund’s Adjuvant-induced arthritis and modulated regulators of inflammation, including IL-1α, − 6 and − 10. Taken together, the data suggest that HFE has potential for use as an agent for modulation of the inflammatory response.
Biodegradable MoSe2-polyvinylpyrrolidone nanoparticles with multi-enzyme activity for ameliorating acute pancreatitis
Authors: Xie Pei , Zhang Liying , Shen Hui , Wu Hang , Zhao Jiulong , Wang Shige , Hu Lianghao
Published: March 2022

Exogenous antioxidant materials mimicking endogenous antioxidant systems are commonly used for the treatment of oxidative stress-induced injuries. Thus, artificial enzymes have emerged as promising candidates for balancing and treating the dysregulation of redox homeostasis in vivo. Herein, a one-pot hydrothermal strategy for the facile preparation of MoSe2-polyvinylpyrrolidone (PVP) nanoparticles (NPs) is reported. The synthesized NPs were biodegradable due to their exposure to oxygen and exhibited high stability. Moreover, they effectively mimicked various naturally occurring enzymes (including catalase, superoxide dismutase, peroxidase, and glutathione peroxidase) and scavenged free radicals, such as 3-ethylbenzothiazoline-6-sulfonic acid, ·OH, ·O2−, and 1,1-diphenyl-2-picrylhydrazyl radical. Further apoptosis detection studies revealed that MoSe2-PVP NPs significantly increased the cell survival probability in H2O2 in a concentration-dependent manner. The cytoprotective effect of MoSe2-PVP NPs was explored for an animal model of acute pancreatitis, which confirmed its remarkable therapeutic efficacy. Owing to the biodegradable and biocompatible nature of MoSe2-PVP NPs, the findings of this work can stimulate the development of other artificial nanoenzymes for antioxidant therapies.

Graphical Abstract
Robust radiosensitization of hemoglobin-curcumin nanoparticles suppresses hypoxic hepatocellular carcinoma
Authors: Gao Ruoling , Gu Yuan , Yang Ying , He Yuping , Huang Wenpeng , Sun Ting , Tang Zaixiang , Wang Yong , Yang Wei
Published: March 2022

Background

Radioresistance inducing by hypoxic microenvironment of hepatocellular carcinoma is a major obstacle to clinical radiotherapy. Advanced nanomedicine provides an alternative to alleviate the hypoxia extent of solid tumor, even to achieve effective synergistic treatment when combined with chemotherapy or radiotherapy.

Results

Herein, we developed a self-assembled nanoparticle based on hemoglobin and curcumin for photoacoustic imaging and radiotherapy of hypoxic hepatocellular carcinoma. The fabricated nanoparticles inhibited hepatoma migration and vascular mimics, and enhanced the radiosensitivity of hypoxic hepatoma cells in vitro via repressing cell proliferation and DNA damage repair, as well as inducing apoptosis. Benefit from oxygen-carrying hemoglobin combined with polyphenolic curcumin, the nanoparticles also effectively enhanced the photoacoustic contrast and the efficacy of radiotherapy for hepatocellular carcinoma in vivo.

Conclusions

Together, the current study offered a radiosensitization platform for optimizing the efficacy of nanomedicines on hypoxic radioresistant tumor.

Graphical Abstract
Activation of AKT/mammalian target of rapamycin signaling in the peripheral blood of women with premature ovarian insufficiency and its correlation with FMR1 expression
Authors: Rehnitz Julia , Messmer Birgitta , Bender Ulrike , Nguyen Xuan Phuoc , Germeyer Ariane , Hinderhofer Katrin , Strowitzki Thomas , Capp Edison
Published: March 2022

Background

The protein kinase B (AKT)/mammalian target of rapamycin (mTOR) signaling pathway regulates early follicular activation and follicular pool maintenance in female germline cells. Fragile X mental retardation 1 (FMR1) regulates folliculogenesis and it is variably expressed in patients with Premature Ovary Insufficiency. FMR1 expression is supposed to be linked to AKT/mTOR signaling in an ovarian response dependent manner as demonstrated in recent invitro and invivo studies in the female germline invitro and invivo.

Methods

We evaluated changes in the expression of AKT/mTOR signaling pathway genes by real time PCR in the peripheral blood of 74 patients with Premature Ovarian Insufficiency and 56 fertile controls and correlated their expression with FMR1 expression.

Results

Expression of the genes AKT1, TSC2, mTOR, and S6K was significantly more abundant in patients with POI than in the controls. For AKT1, TSC2 and mTOR, gene expression was not affected by FMR1-CGG repeat number in the 5´-untranslated region. FMR1 and S6K expression levels, however, were significantly upregulated in patients with POI and an FMR1 premutation. Independent of a premutation, expression of mTOR, S6K, and TSC2 was significantly correlated with that of FMR1 in all patients. Furthermore, when grouped according to ovarian reserve, this effect remained significant only for mTOR and S6K, with higher significance note in patients with Premature Ovarian Insufficiency than in the controls.

Conclusions

In Premature ovarian insufficiency patients, activation of AKT/mTOR signaling pathway is remarkable and putatively pathognomonic. Additionally, it seems to be triggered by an FMR1/mTOR/S6K linkage mechanism, most relevant in premutation carriers.
Energy deprivation-induced AMPK activation inhibits milk synthesis by targeting PrlR and PGC-1α
Authors: Wu Zhihui , Li Qihui , Yang Siwang , Zheng Tenghui , Shao Jiayuan , Guan Wutai , Chen Fang , Zhang Shihai
Published: March 2022

Background

The mammary gland is responsible for milk production and secretion, which is critical for neonatal health during lactation. Lactation efficiency is largely affected by energy status with unclear mechanism.

Results

In the current study, we found that synthesis of milk fat and protein was significantly inhibited under energy-deficient conditions, which is accompanied with AMP-activated protein kinase (AMPK) activation. Modulating the AMPK signaling pathway directly or indirectly affects the synthesis of milk fat and protein. Besides mammalian target of rapamycin complex 1 (mTORC1) signaling in the regulation of milk synthesis, we discovered that AMPK mainly regulates the synthesis of milk protein through prolactin signaling. Mechanistically, AMPK triggers the ubiquitination of prolactin receptor (PrlR) through regulating the activity of β-transducin repeat-containing protein (β-TrCP, an E3 ligase). Subsequently, PrlR is degraded by the endocytosis process of lysosomes, which further attenuates prolactin signaling. In addition, our results revealed that AMPK activation inhibits milk fat synthesis through decreasing and accelerating de novo synthesis and β-oxidation of fatty acids, respectively. To be precise, AMPK activation inhibits rate limiting enzymes and transcriptional regulatory factors involved in de novo fatty acid synthesis and decreases the acetylation process of peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) to strengthen the oxidation of fatty acids.

Conclusions

Taken together, AMPK regulates the synthesis of milk not only depends on canonical mTORC1 signaling and key rate-limiting enzymes, but also through manipulating the degradation of PrlR and the acetylation of PGC-1α.
Female genital mutilation: prevalence, associated factors and health consequences among reproductive age group women in Keffa Zone, Southwest, Ethiopia
Authors: Gudeta Tesfaye Abera , Regassa Tilahun Mekonnen , Gamtessa Lalisa Chewaka
Published: March 2022

Background

Female genital mutilation is procedure involving partial or total removal of the external female genitalia for cultural or non-therapeutic reasons. Despite of global concerns, awareness, and campaigns, the prevalence of female genital mutilation remains high in many countries.

Objective

To assess female genital mutilation: prevalence, associated factors, and health consequences among reproductive age group women in Keffa Zone, Southwest, Ethiopia.

Methods

A community based cross-sectional study design was employed from March 01 to April 30, 2019. We used a multi stage sampling. Finally, using simple random sampling technique, we selected four Woredas. Consequently, after clustering kebeles, all mothers with daughter/s younger than 15 years and live in clustered kebeles were interviewed. Data were entered into Epi data and exported to SPSS version 23.0. Variables with P-value of less than 0.25 in binary logistic regression analyses were entered into the multivariable logistic regression analysis. Odds ratio with 95% confidence interval was used to determine associations between dependent and independent variables. P value less than 0.05 was considered statistically significant.

Results

Almost all, 729 (97.2%) of mothers expressed that they heard about female circumcision. However, less than one-fourth, 159 (21.2%) of mothers were circumcised. Among those 159 women ever circumcised, 52 (32.7%) reported that they experienced the complication of female genital mutilation.The prevalence of female genital mutilation of daughters’ younger than 15 years was 12 (1.6%). Rural residence [AOR 6.74, 95% CI (2.70–16.85)], being Muslim and Protestant follower by their religion [AOR 0.19, 95% CI (0.07–0.53] and [AOR 0.54, 95% CI (0.30–0.98)] respectively and occupational status of the husband; Merchant [AOR 7.29; 95% CI (3.66–14.51)], Daily laborer[AOR 2.70, 95% CI (1.14–6.40)] and others (drivers and students) [AOR 6.70, 95% CI (1.55–28.95] were statistically significantly associated with female genital mutilation.

Conclusion

In this study, prevalence of female genital mutilation practice among daughters and women of reproductive group was low as compared to a national data. However, that much magnitude still seeks attention as Ethiopia planned to end the practice. Religion, place of residence, and occupational status of the husband were statistically significantly associated with female genital mutilation. Therefore, any strategy to end up the practice better considers dimension of all these variables.
Determinants of optimal antenatal care visit among pregnant women in Ethiopia: a multilevel analysis of Ethiopian mini demographic health survey 2019 data
Authors: Yehualashet Delelegn Emwodew , Seboka Binyam Tariku , Tesfa Getanew Aschalew , Mamo Tizalegn Tesfaye , Seid Elias
Published: March 2022

Background

Optimal antenatal care (ANC4+) needs to be used throughout pregnancy to reduce pregnancy complications and maternal mortality. The World Health Organization (WHO) recommends eight ANC contacts, while Ethiopia has the lowest coverage of at least four ANC visits. Therefore, this study aimed to identify factors associated with optimal ANC visits among pregnant women in Ethiopia.

Methods

This study is a secondary data analysis of the 2019 Ethiopian Mini Demographic and Health Survey (EMDHS). A multilevel logistic regression model is set up to identify factors associated with optimal ANC visits. Adjusted odds ratios (AOR) with 95% confidence intervals (CI) were calculated to estimate the strength of the association between the outcome and the predictor variables.

Results

Overall, 43% of women had optimal ANC visits during their last pregnancy. Higher educated women are 3.99 times more likely (AOR = 3.99; 95% CI: 2.62–6.02) to have optimal ANC visits than women with no formal education. The wealthiest women are 2.09 times more likely (AOR = 2.09; 95% CI: 1.56–2.82) to have optimal ANC visits than women in the poorest quintile. The odds of optimal ANC visit is 42 percent lower in rural women (AOR = 0.58, 95% CI: 0.41–0.83) compared to women living in urban areas.

Conclusion

Women's educational status, wealth status, mass media exposure, place of residence and region are factors that are significantly associated with optimal ANC visit. These findings help health care programmers and policymakers to introduce appropriate policies and programs to ensure optimal ANC coverage. Priority should be given to addressing economic and educational interventions.
The long non-coding RNA LNC_000397 negatively regulates PRRSV replication through induction of interferon-stimulated genes
Authors: Zhang Jing , Gan Lipeng , Sun Pu , Wang Jian , Li Dong , Cao Yimei , Fu Yuanfang , Li Pinghua , Bai Xingwen , Li Kun , Ma Xueqing , Bao Huifang , Chen Yingli , Zhang Jie , Liu Zaixin , Lu Zengjun
Published: March 2022

Background

Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the most significant threats to the global swine industry. It is of great importance to understand viral-host interactions to develop novel antiviral strategies. Long non-coding RNAs (lncRNAs) have emerged as critical factors regulating host antiviral immune responses. However, lncRNAs participating in virus-host interactions during PRRSV infection remain largely unexplored.

Method

RNA transcripts of porcine alveolar macrophages (PAMs) infected with two different PRRSV strains, GSWW/2015 and VR2332, at 24 h post-infection were sequenced by high-throughput sequencing. Four programs namely, CNCI, CPC, PFAM, and phyloCSF, were utilized to predict the coding potential of transcripts. mRNAs co-localized or co-expressed with differentially expressed lncRNAs were considered as their targets. Fuction of lncRNAs was predicted by GO and KEGG analysis of their target mRNAs. The effect of LNC_000397 on PRRSV replication was validated by knockdown its expression using siRNA. Target genes of LNC_000397 were identified by RNA-Sequencing and validated by RT-qPCR.

Result

In this study, we analyzed lncRNA and mRNA expression profiles of PRRSV GSWW/2015 and VR2332 infected porcine alveolar macrophages. A total of 1,147 novel lncRNAs were characterized, and 293 lncRNAs were differentially expressed. mRNAs co-localized and co-expressed with lncRNAs were enriched in pathogen-infection-related biological processes such as Influenza A and Herpes simplex infection. Functional analysis revealed the lncRNA, LNC_000397, which was up-regulated by PRRSV infection, negatively regulated PRRSV replication. Knockdown of LNC_000397 significantly impaired expression of antiviral ISGs such as MX dynamin-like GTPase 1 (MX1), ISG15 Ubiquitin-like modifier (ISG15), and radical S-adenosyl methionine domain containing 2 (RSAD2).

Conclusions

LNC_000397 negatively regulated PRRSV replication by inducing interferon-stimulated genes (ISGs) expression. Our study is the first report unveiling the role of host lncRNA in regulating PRRSV replication, which might be beneficial for the development of novel antiviral therapeutics.
RUNX1 inhibits the antiviral immune response against influenza A virus through attenuating type I interferon signaling
Authors: Hu Yixiang , Pan Qi , Zhou Kun , Ling Yuehuan , Wang Hao , Li Yan
Published: March 2022

Background

Influenza A viruses (IAVs) are zoonotic, segmented negative-stranded RNA viruses. The rapid mutation of IAVs results in host immune response escape and antiviral drug and vaccine resistance. RUNX1 is a transcription factor that not only plays essential roles in hematopoiesis, but also functions as a regulator in inflammation. However, its role in the innate immunity to IAV infection has not been well studied.

Methods

To investigate the effects of RUNX1 on IAV infection and explore the mechanisms that RUNX1 uses during IAV infection. We infected the human alveolar epithelial cell line (A549) with influenza virus A/Puerto Rico/8/34 (H1N1) (PR8) and examined RUNX1 expression by Western blot and qRT-PCR. We also knocked down or overexpressed RUNX1 in A549 cells, then evaluated viral replication by Western blot, qRT-PCR, and viral titration.

Results

We found RUNX1 expression is induced by IAV H1N1 PR8 infection, but not by poly(I:C) treatment, in the human alveolar epithelial cell line A549. Knockdown of RUNX1 significantly inhibited IAV infection. Conversely, overexpression of RUNX1 efficiently promoted production of progeny viruses. Additionally, RUNX1 knockdown increased IFN-β and ISGs production while RUNX1 overexpression compromised IFN-β and ISGs production upon PR8 infection in A549 cells. We further showed that RUNX1 may attenuate the interferon signaling transduction by hampering the expression of IRF3 and STAT1 during IAV infection.

Conclusions

Taken together, we found RUNX1 attenuates type I interferon signaling to facilitate IAV infection in A549 cells.
COVAX, vaccine donations and the politics of global vaccine inequity
Authors: de Bengy Puyvallée Antoine , Storeng Katerini Tagmatarchi
Published: March 2022

Background

In 2021, donor countries, the pharmaceutical industry, and the COVAX initiative promoted vaccine donation or “dose-sharing” as a main solution to the inequitable global distribution of Covid-19 vaccines. COVAX positioned itself as a global vaccine-sharing hub that promised to share doses “equitably, effectively and transparently,” according to rational criteria overseen by independent scientists. This article provides a critical analysis of the principles and practice of “dose-sharing,” showing how it reveals the politics at play within COVAX.

Results

Donated doses were an important source of COVAX’s vaccine supply in 2021, accounting for 60% of the doses the initiative delivered (543 million out of 910 million). However, donations could not compensate fully for COVAX’s persistent procurement struggles: it delivered less than half of the two billion doses it originally projected for 2021, a fraction of the 9.25 billion doses that were administered globally in 2021. Donor countries and vaccine manufacturers systematically broke COVAX’s principles for maximizing the impact of dose-sharing, delivering doses late, in smaller quantities than promised, and in ad hoc ways that made roll-out in recipient countries difficult. Some donors even earmarked doses for specific recipients, complicating and potentially undermining COVAX’s equitable allocation mechanism.

Conclusions

COVAX’s pivot from global vaccine procurement mechanism to dose-sharing hub can be seen as a “win-win-win” solution for COVAX itself (who could claim success by having access to more doses), for donor countries (who could rebrand themselves as charitable donors rather than “vaccine hoarders”), and for the pharmaceutical industry (maintaining the status quo on intellectual property rights and protecting their commercial interests). Although dose-sharing helped COVAX’s vaccine delivery, its impact was undermined by donors’ and industry’s pursuit of national security, diplomatic and commercial interests, which COVAX largely accommodated. The lack of transparency and accountability mechanisms within COVAX’s overly complex governance structure as a global public-private partnership enabled these practices.
Risk factors for discontinuation of exclusive breast feeding within 1month: a retrospective cohort study in Japan
Authors: Yasuda Shun , Fukuda Toma , Toba Naoya , Kamo Norihito , Imaizumi Karin , Yokochi Midori , Okawara Tomoko , Takano Seiko , Yoshida Hideko , Kobayashi Nobuko , Kudo Shingo , Miyazaki Kyohei , Hosoya Mamiko , Sato Kenichi , Takano Kei , Kanno Aya , Murata Tsuyoshi , Kyozuka Hyo , Yamaguchi Akiko , Ito Fumihiro , Oda Shinichiro , Momoi Nobuo , Hosoya Mitsuaki , Fujimori Keiya
Published: March 2022

Background

While breastfeeding provides benefits for infants and the mother, many women either do not breastfeed or terminate breastfeeding earlier than recommended. The aim of this analysis was to identify factors associated with early discontinuation of breastfeeding in Japanese women.

Methods

This study used data from medical records of women delivering a singleton live birth between March 2017 and August 2019 in Iwase General Hospital, Fukushima Prefecture, Japan to assess cessation of breastfeeding by the 1-month postpartum appointment. Demographic (age at birth, and employment status), medical (parity, and physical and mental condition of the mother; and infant medical factors, such as sex, Apgar score, and jaundice, among other), and family factors (husband/partner, family members living at the same house, among others) in 734 women who had initiated breastfeeding during their delivery hospital stay were examined, and multiple logistic regression was used to determine significant predictors of early cessation of exclusive breastfeeding.

Results

Bivariate analysis revealed that women who were primipara, unmarried, exposed to secondhand smoke, and employed; those who smoked before pregnancy; and those who had asthma were more likely to discontinue exclusive breastfeeding than other women. Infant factors associated with discontinuation were lower birthweight, earlier gestational age, neonatal intensive care unit admission, treatment for jaundice, or lower weight gain. Multivariable analysis revealed that primiparity, passive smoking before pregnancy, maternal employment, and neonatal jaundice therapy were associated with discontinuation of breastfeeding.

Conclusions

In particular, women whose partners smoked before pregnancy may need to be targeted for additional support for breastfeeding.