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Genome Biology and Evolution Jun 2024Male seminal fluid proteins (SFPs) often show signs of positive selection and divergent evolution, believed to reflect male - female coevolution. Yet, our understanding...
Male seminal fluid proteins (SFPs) often show signs of positive selection and divergent evolution, believed to reflect male - female coevolution. Yet, our understanding of the predicted concerted evolution of SFPs and female reproductive proteins (FRPs) is limited. We sequenced, assembled and annotated the genome of two species of seed beetles allowing a comparative analysis of four closely related species of these herbivorous insects. We compare the general pattern of evolution in genes encoding SFPs and FRPs with those in digestive protein genes and well-conserved reference genes. We found that FRPs showed an overall dN/dS ratio (ω) similar to that of conserved genes, while SFPs and digestive proteins exhibited higher overall ω values. Further, SFPs and digestive proteins showed a higher proportion of sites putatively under positive selection and explicit tests showed no difference in relaxed selection between protein types. Evolutionary rate covariation analyses showed that evolutionary rates among SFPs were on average more closely correlated with those in FRPs than with either digestive or conserved genes. Gene expression showed the expected negative covariation with ω values, except for male-biased genes where this negative relationship was reversed. In conclusion, SFPs showed relatively rapid evolution and signs of positive selection. In contrast, FRPs evolved at a lower rate under selective constraints, on par with genes known to be well-conserved. Although our findings provide support for concerted evolution of SFPs and FRPs, they also suggest that these two classes of proteins evolve under partly distinct selective regimes.
PubMed: 38941482
DOI: 10.1093/gbe/evae143 -
Medicine Jun 2024Previous studies have reported an association between physical activity and the occurrence and progression of knee osteoarthritis (KOA). However, the existing evidence...
Previous studies have reported an association between physical activity and the occurrence and progression of knee osteoarthritis (KOA). However, the existing evidence remains limited and of low-quality. This study aimed to examine the causal relationship between different levels of physical activity and KOA. Instrumental variables, represented by single nucleotide polymorphisms (SNPs), were utilized to capture sedentary behavior, appropriate physical exercise, and excessive physical activity. Aggregated statistics from the UK Biobank genome-wide association study dataset were used to assess the impact of these SNPs on KOA. Causality was estimated using inverse variance weighting (IVW), MR Egger, simple model, weighted median, and weighted model approaches. The stability of the results was assessed through heterogeneity and sensitivity analyses. Mendelian randomization (MR) analysis revealed a strong association between sedentary behavior and KOA, with an odds ratio (OR) of 2.096 (95% CI: 1.506-2.917) and a P value of 1.14 × 10-5. Appropriate physical exercise behavior exhibited a strong negative association with KOA, with an OR of 0.147 (95% CI: 0.037-0.582) and a P value of 0.006. Conversely, excessive physical activity behavior showed a significant positive association with KOA, with an OR of 2.162 (95% CI: 1.327-3.521) and a P value of .002. Our findings indicate that sedentary behavior and excessive physical activity are identified as risk factors for KOA, whereas engaging in appropriate physical exercise emerges as a protective factor against the development of KOA.
Topics: Humans; Osteoarthritis, Knee; Mendelian Randomization Analysis; Exercise; Polymorphism, Single Nucleotide; Sedentary Behavior; Genome-Wide Association Study; Male; Female; Risk Factors; United Kingdom; Middle Aged
PubMed: 38941438
DOI: 10.1097/MD.0000000000038650 -
Medicine Jun 2024I-gel has been used in various clinical situations. The study investigated alterations in respiratory parameters following a stepwise lung recruitment maneuver (LRM)... (Observational Study)
Observational Study
I-gel has been used in various clinical situations. The study investigated alterations in respiratory parameters following a stepwise lung recruitment maneuver (LRM) using the i-gel. The research involved 60 patients classified as American Society of Anesthesiologists class I-II, aged 30 to 75 years, undergoing elective urologic surgery. Various respiratory parameters, including lung compliance, airway resistance, leak volume, airway pressure, and oxygen reserve index, were recorded at different time points: before LRM, immediately after LRM, and at 5, 15, and 30 minutes after LRM, as well as at the end of the surgery. The primary outcome was to assess an improvement in lung compliance. Dynamic lung compliance (mean ± SD) was significantly increased from 49.2 ± 1.8 to 70.15 ± 3.2 mL/cmH2O (P < .05) after LRM. Static lung compliance (mean ± SD) was increased considerably from 52.4 ± 1.7 to 65.0 ± 2.5 mL/cmH2O (P < .05) after the LRM. Both parameters maintained a statistically significant increased status for a certain period compared to baseline despite a decreased degree of increment. Airway resistance (mean ± SD) was significantly reduced after the LRM from 12.05 ± 0.56 to 10.41 ± 0.64 L/cmH2O/s (P < .05). Stepwise LRM using i-gel may improve lung compliance and airway resistance. Repeated procedures could lead to prolonged improvements in respiratory parameters.
Topics: Humans; Middle Aged; Prospective Studies; Male; Female; Aged; Lung Compliance; Adult; Airway Resistance; Positive-Pressure Respiration
PubMed: 38941413
DOI: 10.1097/MD.0000000000038718 -
Medicine Jun 2024Old age is associated with a higher risk of dementia. Psychosocial characteristics frequently affect cognitive function; however, the exact mechanism underlying the...
Effects of psychosocial characteristics on cognitive function in middle-aged and older adults: Focusing on change by year using the Korean Longitudinal Study of Aging panel data (2014-2018).
Old age is associated with a higher risk of dementia. Psychosocial characteristics frequently affect cognitive function; however, the exact mechanism underlying the effect of psychosocial factors on cognitive function is unclear. Therefore, this study aimed to investigate the effects of psychosocial characteristics on cognitive function. The participants comprised 4809 middle-aged and older (years 50+) adults. The analysis used data from the Korean Longitudinal Study of Aging from 2014 to 2018. The effects of neighborhood interaction, depression, life satisfaction, and economic activity on cognitive function were examined, and a linear mixed model analysis was performed to assess the change in cognitive function by year. A statistically significant association was found between neighborhood interaction and time. Additionally, cognitive function decreased in the presence of depression and with time. In men, significant interactions were found between depression and time and between economic activity and time. In women, significant interactions were found between life satisfaction and time. The findings indicate that since active neighborhood interaction positively affects cognitive function, it is necessary to develop various community-wide social activity programs for middle-aged and older adults. As depression is a risk factor for cognitive impairment, it is crucial to prevent cognitive decline through continuous management of depression. Given the positive effects of economic activity on cognitive function in men, it is essential to expand infrastructure to sustain economic activity by developing educational programs and creating job opportunities for middle-aged and older men.
Topics: Humans; Male; Female; Longitudinal Studies; Middle Aged; Republic of Korea; Aged; Cognition; Depression; Personal Satisfaction; Cognitive Dysfunction; Residence Characteristics; Aging; Risk Factors; Sex Factors; Aged, 80 and over
PubMed: 38941412
DOI: 10.1097/MD.0000000000038637 -
Medicine Jun 2024Surgical site infection (SSI) after posterior open lumbar fusion (POLF) is a major concern for both surgeons and patients. We sought to explore whether local application... (Observational Study)
Observational Study
Surgical site infection (SSI) after posterior open lumbar fusion (POLF) is a major concern for both surgeons and patients. We sought to explore whether local application of vancomycin could decrease the rate of SSI. We reviewed the clinical data of patients who underwent POLF between June 2015 and June 2022 at 3 spinal centers. Patients were divided into those who received local vancomycin (vancomycin group) and those who did not (non-vancomycin group). The SSI rates at 12 months postoperatively were compared between the 2 groups. Although a trend toward a lower infection rate was observed in the vancomycin group than in the non-vancomycin group; the difference was not statistically significant (3.6% vs 5.5%, P = .121). However, we found that the postoperative SSI rate was significantly lower in the vancomycin group than in the non-vancomycin group (4.9% vs 11.4%, P = .041) in patients ≥ 2 fused segments, while there was no significant difference in postoperative SSI rate in patients with single fusion segment (3.1% vs 3.6%, P = .706). The logistic regression analysis indicated that the SSI rate in the non-vancomycin group was approximately 2.498 times higher than that in the vancomycin group (P = .048, odds ratio: 2.498, 95% confidence interval: 1.011-6.617) in patients with ≥2 fused segments. In SSI patients with confirmed pathogens, the SSI rate of Gram-negative bacteria in the vancomycin group was significantly higher than that in the non-vancomycin group (10/14 [71.4%] vs 5/22 [31.8%]), whereas the SSI rate of Gram-positive bacteria in the vancomycin group was significantly lower than that in the non-vancomycin group (4/14 [28.6%] vs 15/22 [68.2%]). Local administration of vancomycin is recommended in patients with ≥2 fused segments as it may facilitate to reduce the postoperative rate of SSI after POLF. Additionally, the local use of vancomycin can decrease the Gram-positive bacterial infections but is not effective against Gram-negative infections, which indirectly leads to an increase in the proportion of Gram-negative infections in SSI patients with confirmed pathogens.
Topics: Humans; Vancomycin; Surgical Wound Infection; Spinal Fusion; Retrospective Studies; Male; Female; Middle Aged; Anti-Bacterial Agents; Aged; Lumbar Vertebrae; Adult
PubMed: 38941406
DOI: 10.1097/MD.0000000000038664 -
Medicine Jun 2024Diabetic foot (DF) ulcer is one of the common complications of diabetic patients, with high incidence and amputation rate, which seriously affects the quality of life... (Observational Study)
Observational Study
Diabetic foot (DF) ulcer is one of the common complications of diabetic patients, with high incidence and amputation rate, which seriously affects the quality of life and health of patients. Therefore, how to effectively prevent and treat DF ulcers and reduce amputation rate has become an urgent problem in the medical field. As a comprehensive nursing model for patients with DF ulcers, comprehensive nursing intervention is designed to improve the therapeutic effect and prognosis and reduce the rate of amputation. Convenient sampling method was used to select 360 patients with DF who received routine care for DF ulcers from July 2013 to July 2023 for retrospective cohort analysis. According to the existence of exposure factors (comprehensive nursing intervention), 180 cases were divided into observation group and comparison group. The basic demographic data, amputation rate, severity of foot ulcer, neuropathy and vascular disease, and blood glucose control were compared between the 2 groups. The data was analyzed using SPSS26.0. Harman single factor test was used to check whether there was common method bias in the study data. Descriptive analysis, Spearman rank correlation analysis and multiple linear regression analysis were used to analyze the current situation of amputation rate of DF patients and the influence of comprehensive nursing intervention on the amputation rate of DF patients. The amputation rate was 2.8% in the Observation group compared to 8.3% in the Comparison group. The amputation rate of the observation group was generally higher in the age group, and the amputation rate of the observation group was higher in the middle school education level and below and the economic status of <5000 yuan. The difference was statistically significant (P < .05). Age (odds ratio [OR] = 1.96; 95% confidence interval [CI]: 0.88-4.38), education level (OR = 1.30; 95% CI: 1.69-6.46), economic status (OR = 2.28; 95% CI: 1.69-10.85) was an independent risk factor for amputation rate (P < .05). Comprehensive nursing interventions have played a positive role in reducing the rate of amputation in patients with DF.
Topics: Humans; Diabetic Foot; Male; Female; Quality of Life; Retrospective Studies; Middle Aged; Amputation, Surgical; Prognosis; Aged; Adult
PubMed: 38941405
DOI: 10.1097/MD.0000000000038674 -
Medicine Jun 2024Understanding the knowledge and attitudes of university students regarding organ transplantation and donation is crucial, as these students can significantly influence...
BACKGROUND
Understanding the knowledge and attitudes of university students regarding organ transplantation and donation is crucial, as these students can significantly influence public opinion and behavior. This study aims to assess the knowledge and attitudes of North Cyprus University students towards organ transplantation and donation.
METHODS
A cross-sectional study was conducted with 400 students from Northern Cyprus University, divided into medical and social science faculties. A structured questionnaire was utilized to assess their knowledge and attitudes towards organ transplantation and donation. Descriptive statistics, Chi-square tests, and effect size calculations were employed for data analysis.
RESULTS
Among the 400 students, 27% demonstrated sufficient knowledge of organ transplantation, and 62.7% had positive views on organ donation. Willingness to donate was expressed by 37% as living donors and 64% as deceased donors. There were no significant differences in knowledge and attitudes between medical and social science students. Factors such as sex, marital status, faculty, and contact with individuals with end-stage organ failure did not significantly influence the knowledge and attitudes.
CONCLUSIONS
This study highlights the necessity for educational interventions and awareness campaigns to improve understanding and attitudes towards organ donation among Northern Cyprus University students. Incorporating organ donation education into university curricula, providing accurate online information, addressing misconceptions, and promoting awareness of donation centers and transplant hospitals are essential steps to mitigate organ shortages. Public engagement should be encouraged to foster a supportive environment for organ donation.
Topics: Humans; Cross-Sectional Studies; Cyprus; Male; Female; Health Knowledge, Attitudes, Practice; Tissue and Organ Procurement; Universities; Students; Young Adult; Organ Transplantation; Adult; Surveys and Questionnaires; Adolescent
PubMed: 38941404
DOI: 10.1097/MD.0000000000038701 -
Medicine Jun 2024To identify the relationship between leadership and work readiness in a cohort of new head nurses in China. This cross-sectional study enrolled 225 newly appointed head...
To identify the relationship between leadership and work readiness in a cohort of new head nurses in China. This cross-sectional study enrolled 225 newly appointed head nurses in public tertiary hospitals in China, which were selected using convenience sampling. Data were collected using online questionnaires that included a sociodemographic characteristics form, the Nursing Managers Leadership Scale (NMLS), and the New Nurse Leaders' Job Readiness Scale (NNLJRS). IBM SPSS v.25 was used for statistical analysis. The overall mean scores of NMLS (100.50 ± 17.64) and NNLJRS (111.90 ± 15.84) of the 225 new nurse leaders were at moderate levels. The results of the Pearson correlation analysis and the hierarchical regression analysis further indicated that there was a significant positive correlation between leadership and work readiness of new head nurses (r = 0.85, P < .001), as well as charisma (β = 0.19, P < .01), affinity (β = 0.18, P < .01), coordination ability (β = 0.32, P < .01), and motivational ability (β = 0.21, P < .01) in leadership were found to be positively associated with work readiness. This study found that the leadership and work readiness of the new head nurses still needed improvement. A significant relationship was found between these 2 variables, and charisma, affinity, coordination ability, and motivational ability in the leadership ability of the new head nurses facilitated the level of work readiness. Nursing administration should create a leadership development series program focusing on the development of charisma, affinity, coordination ability, and motivational ability to support the work readiness of new nurse managers and help them with role transition.
Topics: Humans; Leadership; Cross-Sectional Studies; China; Female; Male; Adult; Surveys and Questionnaires; Nurse Administrators; Nursing Staff, Hospital; Young Adult
PubMed: 38941399
DOI: 10.1097/MD.0000000000038731 -
Medicine Jun 2024Ferroptosis was reported to possess the therapeutic potentials in various human cancers. In the present study, we explored the expression, clinical significance and the...
BACKGROUND
Ferroptosis was reported to possess the therapeutic potentials in various human cancers. In the present study, we explored the expression, clinical significance and the molecular mechanism of FK506 binding protein 3 (FKBP3) in the progression of lung adenocarcinoma (LUAD).
MATERIAL AND METHOD
Cox regression was performed to obtain the prognosis related to differentially expressed genes (DEGs) in LUAD datasets from TCGA. We also downloaded the ferroptosis-related gene datasets from GeneCards. Venn diagram was performed to find the intersecting genes and FKBP3 was selected as the targeted gene by analyzing the diagnostic and prognostic values of Top10 intersecting genes. Moreover, univariate and multivariate analyses were performed to evaluate the association between clinicopathological factors and survival rates. GO/KEGG and GSEA analysis was performed to explore the function of FKBP3 in LUAD progression. Protein-protein interaction (PPI) network was performed via STRING database and the top10 hub genes were selected. Finally, the relationship between FKBP3 and immune infiltration was explored by ssGSEA analysis.
RESULTS
Firstly, 184 genes associated with the prognosis of LUAD and ferroptosis were obtained. FKBP3 was found to be significantly associated with a poor overall survival rate of LUAD patients. Immunohistochemical staining results showed that FKBP3 was highly located in cytoplasm and membrane of cells in LUAD tissues. PPI network analysis results showed that HDAC1, YY1, HDAC2, MTOR, PSMA3, PIN1, NCL, C14orf166, PIN4, and LARP6 were the top10 hub genes. Furthermore, spearman analysis results showed that the expression of FKBP3 was positively correlated with the abundance of Th2 cells and T helper cells.
CONCLUSION
High level of FKBP3 was associated with poor prognostic outcomes of LUAD patients, which also inhibited immune infiltration in LUAD tissues. Additionally, FKBP3 was involved in regulating the ferroptosis process in LUAD patients. Thus, FKBP3 possessed the tumor promotion role might be involving in regulating ferroptosis and immune infiltration in LUAD progression.
Topics: Humans; Ferroptosis; Prognosis; Female; Disease Progression; Male; Adenocarcinoma of Lung; Lung Neoplasms; Middle Aged; Tacrolimus Binding Proteins; Biomarkers, Tumor; Aged; Gene Expression Regulation, Neoplastic; Protein Interaction Maps
PubMed: 38941396
DOI: 10.1097/MD.0000000000038606 -
Medicine Jun 2024Our aim is to evaluate serum Raftlin levels as a biomarker for diagnosing and monitoring disease activity in patients with axial spondyloarthritis (axSpA) and Psoriatic... (Observational Study)
Observational Study
Our aim is to evaluate serum Raftlin levels as a biomarker for diagnosing and monitoring disease activity in patients with axial spondyloarthritis (axSpA) and Psoriatic arthritis (PsA). This trial included 40 axSpA patients, 40 PsA patients, and 40 healthy participants as the control group. Disease activity was assessed with Ankylosing Spondylitis Disease Activity Score for axSpA patients and The Disease Activity Index for Psoriatic Arthritis for PsA patients. The Spondyloarthritis Research Consortium of Canada index, health assessment questionnaire-disability index, and numeric rating scale were used to evaluate the enthesitis severity, disability, and pain status of all patients. Serum Raftlin levels were determined using the ELISA method. The 3 groups had no statistical differences regarding gender, age, weight, height, BMI, educational status, and exercise habits. The axSpA group had higher Raftlin levels than the PsA and control groups, and Raftlin levels were statistically significant in predicting the likelihood of axSpA. We found no statistically significant differences between the PsA and control groups. We found no statistically significant difference in Raftlin levels in HLA-B27 positive versus HLA-B27 negative patients in both axSpA and PsA groups. Our results also did not detect any correlation of Raftlin levels with Ankylosing Spondylitis Disease Activity Score, C-reactive protein, erythrocyte sedimentation rate, health assessment questionnaire-disability index, numeric rating scale, and Spondyloarthritis Research Consortium of Canada index in axSpA patients. Receiver operating characteristic analysis determined that Raftlin level ≥ 6.31 ng/mL discriminates axSpA from normal individuals with 92.5% sensitivity, 59% specificity, and an area under the curve of 0.738. Our results demonstrate that although serum Raftlin levels are elevated in axSpA patients, Raftlin cannot be used as an alone diagnostic marker for axSpA. Furthermore, it was not found to be related to the monitoring of disease activity, the level of pain, disability, or severity of enthesitis. This study is prospectively registered at www.clinicaltrials.gov (ID: NCT05771389).
Topics: Humans; Male; Female; Biomarkers; Arthritis, Psoriatic; Adult; Axial Spondyloarthritis; Severity of Illness Index; Middle Aged; Membrane Proteins; Case-Control Studies
PubMed: 38941376
DOI: 10.1097/MD.0000000000038770