Objective:To investigate and analyze case reporting ethical review and patient informed consent reports published in the comprehensive journals of clinical medicine in China in 2022.Methods:According to the data from the 2022 Edition of the Chinese Science and Technology Journal of the Citation Reports(Extended Version),the case reports published in comprehensive journals of clinical medicine in 2022 were selected as the research objects.The information on ethics and patient informed consent was extracted from the case reports that met the selection criteria,and Microsoft Excel 2021 and SPSS 21.0 were used to sort out and analyze the data.Results:A total of 587 case reporting articles were published in the 42 included journals in 2022,of which 36(6.13%)reported on science and technology ethics and/or informed consent.Case reports reporting on science and technology ethics and/or informed consent mostly came from the key magazine of China technology(88.89%Vs.65.88%),and the proportion of manuscripts involving science and technology ethics on the official website of the journal was relatively high(86.11%Vs.63.88%),and the difference was statistically significant(P＜0.01).Conclusion:The proportion of case reports of science and technology ethics and/or informed consent in journals of comprehensive discipline classification of clinical medicine was relatively low.Currently,most international journals are required to obtain the informed consent of patients or legal guardians before publishing case reports.Compared with this,there are still certain gaps in China,which need to be paid great attention to.

Objective To investigate the role and molecular mechanism of exosomal miR-224-5p in colorectal cancer (CRC).Methods The miR-224-5p expression in CRC patient tissues and cell-derived exosomes was measured by laser capture microdissection and qRT-PCR, respectively. Dual-luciferase reporter gene assay was used to determine the target gene of miR-224-5p. The protein expressions of p53 and unc-51 like kinase 2 (ULK2) in CRC cells were detected by western blot. Flow cytometry was used to detect cell cycle and apoptosis. Cell proliferation was measured by CCK8 and EdU assay.Results The miR-224-5p expression was upregulated in CRC tissues and increased progressively with the rise of CRC stage. CRC cells secreted extracellular miR-224-5p mainly in an exosome-dependent manner, and then miR-224-5p could be transferred to surrounding tumor cells to regulate cell proliferation in the form of autocrine or paracrine. Moreover, ULK2 was characterized as a direct target of miR-224-5p and was downregulated in CRC tissues. Interestingly, ULK2 inhibited CRC cell proliferation in a p53-dependent manner. Furthermore, exosome-derived miR-224-5p partially reversed the proliferation regulation of ULK2 on CRC cells.Conclusion Our findings demonstrate that exosome-transmitted miR-224-5p promotes p53-dependent cell proliferation by targeting ULK2 in CRC, which may offer promising targets for CRC prevention and therapy.

Objective:To understand the epidemiological characteristics of human parainfluenza viruses（HPIVs）infections in patients with acute lower respiratory tract infection（ALRTI）in Changsha，Hunan from 2013 to 2023.Methods:The respiratory virus detection results,demographic characteristics and clinical data of children hospitalized with ALRTI in Children's Medical Center of Hunan Provincial People's Hospital (the First Affiliated Hospital of Hunan Normal University) from January 2013 to December 2023 were retrospectively collected.The epidemic characteristics and clinical symptoms of HPIVs infection were analyzed.Results:During the study,59 725 children with ALRTI were included,the detection rate of HPIVs was 6.66% (3 978/59 725),among which,HPIV1,HPIV2,HPIV3 were detected in 753(1.26%) cases,217(0.36%) cases and 3 055(5.12%) cases,respectively.Among 3 978 cases infected with HPIVs,the overall detection rate in males was higher than that in females(6.99% vs. 6.14%),and the detection rate of HPIVs in 6-11 months old was higher than those in other age groups,with statistically significant differences( P<0.001).Among cases infected with HPIVs,the main clinical diagnosis were mild pneumonia (77.28%) and acute bronchiolitis (14.40%).The detection rate of HPIV3 was the highest (84.62%) in 208 HPIVs-positive children with severe pneumonia,and the difference was statistically significant ( P<0.001).The detection rate of HPIVs varied across different years,reaching its peak in 2020 with a detection rate of 13.99% ( P<0.001).The overall epidemic peak of HPIVs was in spring and summer.The seasonal epidemic characteristics in different types of HPIVs were not completely consistent.The detection rates of HPIV1(2.07%) and HPIV2(0.60%) were the highest in autumn,while that of HPIV3 (7.11%) was the highest in spring ( P<0.001).The seasonal epidemic characteristics of HPIVs have changed in different years:From 2013 to 2019,HPIVs was mainly prevalent in spring and summer,then shifted to summer and autumn in 2020,and autumn as well as winter in 2021 to 2022,then resumed in spring and summer in 2023. Conclusion:From 2013 to 2023,HPIVs in Changsha,Hunan Province had unique epidemiological characteristics.HPIV3 is the dominant type of HPIVs infection in the hospitalized children with ALRTI in Changsha，Hunan.The epidemic peak of HPIVs was postponed in 2020 to 2022.Paying attention to the continuous monitoring of HPIVs infection is helpful to guide clinicians' diagnosis and treatment.

Aim To study the effect of Guben Yanling pills on liver aging in aging mice and the related mech-anism.Methods The mice were randomly divided in-to blank control group,model group,vitamin E group(0.1 g·kg-1)and low,medium and high dose groups(0.59,1.17,2.34 g·kg-1)of Guben Yan-ling pills.The aging mouse model was established by subcutaneous injection of D-galactose(150 mg·kg-1)into the back of neck.At the same time of mod-eling,the corresponding drugs were given by gavage once a day for six weeks.The main organ indexes were calculated.HE staining was used to observe the mor-phology of liver tissue.Colorimetry was used to detect the activity of β-galactosidase in liver.ELISA was used to detect the content of TNF-α,IL-1 β,IL-6,IL-4,IL-10.Western blot was used to detect the protein relative expression level of IKKβ,Iκ Bα,NF-κB p65.Immunofluorescence was used to detect the expression level of NF-κB p65.Results Compared with the blank control group,the organ index of the brain,liv-er,kidney,spleen,and thymus in the model group decreased(P＜0.05,P＜0.01),the activity of β-galactosidase increased(P＜0.01),liver tissue mor-phology and structure were significantly damaged,the content of TNF-α,IL-1 β and IL-6 increased(P＜0.01),the content of IL-4 and IL-10 decreased(P＜0.01),the levels of IKKβ,NF-κB p65 in-creased(P＜0.01),the levels of IKBα decreased(P＜0.01),and the levels of NF-κB p65 in nucleus increased(P＜0.01).Compared with the model group,the organ indexes of brain,liver,kidney,spleen,and thymus in each dose group of Guben Yan-ling pills increased(P＜0.05,P＜0.01),the activity of β-galactosidase decreased(P＜0.01),the morpho-logical and structural damage of liver tissue was signifi-cantly improved,the content of TNF-α,IL-1 β and IL-6 decreased(P＜0.01),the content of IL-4 and IL-10 increased(P＜0.01),the levels of IKKβ,NF-κB p65 decreased(P＜0.01),the levels of IκBα in-creased(P＜0.01),and the levels of NF-κB p65 in nucleus decreased(P＜0.01).Conclusions Guben Yanling pills can antagonize liver aging in mice,and its mechanism may be related to inhibiting the activa-tion of NF-κB signaling pathway in liver,downregulat-ing downstream pro-inflammatory factor levels,upregu-lating anti-inflammatory factor levels,and alleviating inflammation in liver.

Deficiencies in the clearance of peripheral amyloid β (Aβ) play a crucial role in the progression of Alzheimer's disease (AD). Previous studies have shown that the ability of blood monocytes to phagocytose Aβ is decreased in AD. However, the exact mechanism of Aβ clearance dysfunction in AD monocytes remains unclear. In the present study, we found that blood monocytes in AD mice exhibited decreases in energy metabolism, which was accompanied by cellular senescence, a senescence-associated secretory phenotype, and dysfunctional phagocytosis of Aβ. Improving energy metabolism rejuvenated monocytes and enhanced their ability to phagocytose Aβ in vivo and in vitro. Moreover, enhancing blood monocyte Aβ phagocytosis by improving energy metabolism alleviated brain Aβ deposition and neuroinflammation and eventually improved cognitive function in AD mice. This study reveals a new mechanism of impaired Aβ phagocytosis in monocytes and provides evidence that restoring their energy metabolism may be a novel therapeutic strategy for AD.
Animals ; Mice ; Alzheimer Disease ; Amyloid beta-Peptides ; Monocytes ; Cognition ; Energy Metabolism ; Phagocytosis

The fall armyworm (FAW), Spodoptera frugiperda, is a destructive pest native to America and has recently become an invasive insect pest in China. Because of its rapid spread and great risks in China, understanding of FAW genetic background and pesticide resistance is urgent and essential to develop effective management strategies. Here, we assembled a chromosome-level genome of a male FAW (SFynMstLFR) and compared re-sequencing results of the populations from America, Africa, and China. Strain identification of 163 individuals collected from America, Africa and China showed that both C and R strains were found in the American populations, while only C strain was found in the Chinese and African populations. Moreover, population genomics analysis showed that populations from Africa and China have close relationship with significantly genetic differentiation from American populations. Taken together, FAWs invaded into China were most likely originated from Africa. Comparative genomics analysis displayed that the cytochrome p450 gene family is extremely expanded to 425 members in FAW, of which 283 genes are specific to FAW. Treatments of Chinese populations with twenty-three pesticides showed the variant patterns of transcriptome profiles, and several detoxification genes such as AOX, UGT and GST specially responded to the pesticides. These findings will be useful in developing effective strategies for management of FAW in China and other invaded areas.
Animals ; China ; Genomics ; Humans ; Male ; Pesticides ; Spodoptera/genetics* ; Transcriptome

Deficits in the clearance of amyloid β protein (Aβ) by the peripheral system play a critical role in the pathogenesis of sporadic Alzheimer's disease (AD). Impaired uptake of Aβ by dysfunctional monocytes is deemed to be one of the major mechanisms underlying deficient peripheral Aβ clearance in AD. In the current study, flow cytometry and biochemical and behavioral techniques were applied to investigate the effects of polysaccharide krestin (PSK) on AD-related pathology in vitro and in vivo. We found that PSK, widely used in therapy for various cancers, has the potential to enhance Aβ uptake and intracellular processing by human monocytes in vitro. After administration of PSK by intraperitoneal injection, APP/PS1 mice performed better in behavioral tests, along with reduced Aβ deposition, neuroinflammation, neuronal loss, and tau hyperphosphorylation. These results suggest that PSK holds promise as a preventive agent for AD by strengthening the Aβ clearance by blood monocytes and alleviating AD-like pathology.
Alzheimer Disease/pathology* ; Amyloid beta-Peptides/metabolism* ; Amyloid beta-Protein Precursor/metabolism* ; Animals ; Cognition ; Disease Models, Animal ; Mice ; Mice, Transgenic ; Monocytes/pathology* ; Polysaccharides/therapeutic use* ; Proteoglycans

Objective: To examine the prevalence and trend of tobacco and e-cigarettes uses and identify the influencing factors for smoking behavior in junior middle school students in Shanghai, and provide data support and scientific basis for the development of tobacco control intervention strategy in adolescents. Methods: Multi-stage stratified random sampling method was used to select junior middle school students in 8 districts and 10 districts in Shanghai in 2013 and in 2019 respectively. Information about tobacco and e-cigarettes uses in the students were collected by using self-administrated questionnaire. The prevalence of tobacco and e-cigarettes uses were calculated, the difference between two years was compared with χ² test. The influencing factors were identified by multivariate logistic regression analysis. Results: In 2019, the current smoking rate was 0.6% in junior middle school students in Shanghai, and the smoking attempt rate was 2.9%, both were lower than the levels in 2013 (0.7% and 6.9%). The current use rate of e-cigarettes was 0.6% in 2019,with no significant change compared with 2013 (0.6%). The proportion of the students who had heard of e-cigarettes in 2019 (78.4%) was higher than that in 2013 (47.2%). In 2019, the second-hand smoke (SHS) exposure rate at home, in both indoor and outdoor public places and on public transportations was 72.5%, which was slightly lower than the level in 2013 (73.0%), the differences were all significant (P<0.05). In 2019, the students seeing close friend smoking (OR=27.381, 95%CI: 12.037-62.287), seeing someone smoking in school (OR=2.477, 95%CI: 1.155-5.312), believing that SHS may not be harmful (OR=8.471, 95%CI: 1.464-49.005) had higher possibility of smoking. Being aged ≥15 years (compared with being aged ≤12 years, OR=8.688, 95%CI: 1.922-39.266), exposure to SHS in outdoor public place (OR=8.608, 95%CI: 1.048-70.692), close friend smoking (OR=8.115, 95%CI: 1.754-37.545) were positively associated with e-cigarettes use, and believing that smoking results in uncomfortable social contact [compared with believing that smoking results in comfortable social contact (OR=0.105,95%CI: 0.018-0.615)] were negatively associated with e-cigarettes use, the difference was significant (P<0.05). Conclusion: The prevalence of tobacco and e-cigarette uses in junior middle school students in Shanghai remained at a low level in recent years. The SHS exposure rate in junior middle school students is high. Smoking behavior of junior middle school students is closely related to personal attitude and awareness of tobacco, exposure to SHS, peer smoking and the situation of tobacco control in schools. Prevention and intervention should be carried out from multi-dimensions to effectively protect teenagers from tobacco hazards.
Adolescent ; China/epidemiology* ; Electronic Nicotine Delivery Systems ; Humans ; Prevalence ; Students ; Tobacco ; Tobacco Smoke Pollution

Objective:To study the clinical characteristics of children with adenovirus pneumonia complicated with liver injury and the understanding of clinicians.Methods:The children diagnosed with community-acquired adenovirus pneumonia were enrolled from January 1, 2013 to December 31, 2020. The clinical characteristics of the normal liver function group and the liver injured group were compared, and multivariate regression was applied.Results:Among the 3 294 enrolled children, 1 704 children had elevated alanine aminotransferase and/or aspartate aminotransferase on admission, and the liver function impairment rate was 51.7% (1 704/3 294), of which 1 671 cases were mildly injured (98.06%, 1 671/1 704), 28 cases were moderately injured (1.64%, 28/1 704), and 5 cases were severely injured (0.29%, 5/1 704). Compared with the normal liver function group, the proportion of male children in the liver injured group was higher (68.1% vs. 64.2%, P=0.017), and the age was younger[16(9, 30) months vs. 38(19, 53) months, P<0.001]. Children with liver injury were more likely to have wheezing (32.9% vs. 18.7%, P<0.001), shortness of breath (13.7% vs. 9.1%, P<0.001), and diarrhea (11.0% vs. 4.7%, P<0.001). The white blood cell counts, neutrophil counts and hemoglobin in the liver injured group were lower than those in the normal group, while the lymphocyte counts were higher than those in the normal group. The levels of creatine kinase, cardiac creatine kinase and lactate dehydrogenase were higher. The proportion of severe pneumonia in the liver injured group (26.9% vs. 11.2%, P<0.001) was higher than that in the normal liver function group, and the case fatality rate was significantly higher (1.47% vs. 0.25%, P<0.001). Comparing the probability of liver injury in children with mild and severe adenovirus pneumonia, it was found that the severe pneumonia group had more frequent liver injury (73.0% vs 46.6%, P<0.001), and both moderate and severe liver injury groups were higher than in the mild group. Further multivariate logistic regression analysis did not find a significant factor associated with the incidence of liver injury. Conclusions:The incidence of adenovirus pneumonia in children with liver injury was high, and mild injury is more common. Children with liver injury were younger, had more severe clinical symptoms such as wheezing and shortness of breath, and higher proportion of severe pneumonia and mortality. Among them, children with severe pneumonia had a higher proportion of liver injury, and moderate to severe injury was more common. The monitoring of children with different degrees of liver injury should be strengthened.

This paper reports 3 cases of acute hepatitis of unknown cause in children who met the case definition of WHO. Human adenovirus group C was detected in case 3, and the quantity of viral DNA was relatively high, which may be related to the liver function damage in the patient, but its role in pathogenesis needs further study to confirm.