Nigella sativa L. seeds have been traditionally utilized in Chinese folk medicine for centuries to treat vitiligo. This study revealed that the ethanolic extract of Nigella sativa L. (HZC) enhances melanogenesis and mitigates oxidative stress-induced cellular senescence and dysfunction in melanocytes. In accordance with established protocols, the ethanol fraction from Nigella sativa L. seeds was extracted, concentrated, and lyophilized to evaluate its herbal effects via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays, tyrosinase activity evaluation, measurement of cellular melanin contents, scratch assays, senescence-associated β-galactosidase (SA-β-gal) staining, enzyme-linked immunosorbent assay (ELISA), and Western blot analysis for expression profiling of experimentally relevant proteins. The results indicated that HZC significantly enhanced tyrosinase activity and melanin content while notably increasing the protein expression levels of Tyr, Mitf, and gp100 in B16F10 cells. Furthermore, HZC effectively mitigated oxidative stress-induced cellular senescence, improved melanocyte condition, and rectified various functional impairments associated with melanocyte dysfunction. These findings suggest that HZC increases melanin synthesis in melanocytes through the activation of the MAPK, PKA, and Wnt signaling pathways. In addition, HZC attenuates oxidative damage induced by H₂O₂ therapy by activating the nuclear factor E2-related factor 2-antioxidant response element (Nrf2-ARE) pathway and enhancing the activity of downstream antioxidant enzymes, thus preventing premature senescence and dysfunction in melanocytes.
Oxidative Stress/drug effects* ; Melanocytes/cytology* ; Cellular Senescence/drug effects* ; Nigella sativa/chemistry* ; Plant Extracts/pharmacology* ; Seeds/chemistry* ; Mice ; Animals ; Melanins/metabolism* ; Monophenol Monooxygenase/metabolism* ; Humans

Objective To analyze the hotspots and trends in the research field of inflammation in polycystic ovary syndrome(PCOS).Methods This study retrieved data from the Web of Science Core Collection database,with the retrieval period spanning from January 2000 to December 2023.The litera-ture types included were papers and review papers in English.The search was conducted using"Poly-cystic Ovarian Syndrome"and its synonyms,along with"inflammation"as subject terms.Visualization analysis was performed using software such as CiteSpace,VOSviewer,and SCImago Graphica.Results A total of 1,803 articles were included in this study.The number of publications in this field had rapidly increased after 2018.China had the highest number of publications,and Tehran University of Medical Sciences was the institution with the most publications.Key scholars included Asemi Z,Gonzalez AM,Escobar-Morreale HF,etc.,and a core group of authors had been formed.The main research hotspots centered around insulin resistance,obesity,oxidative stress,etc.,and five clusters were formed.Highly cited and burst-cited literature were mainly review papers.Conclusion The re-search field of inflammation in PCOS is currently in a stage of rapid development,with research content covering PCOS inflammation markers,the impact of inflammation on PCOS pathophysiology,inflamma-tion-based PCOS treatment and prognosis,etc.The debate on whether the chronic low-grade inflammatory state in PC OS patients is related to obesity or not remains a focal point of contention.

OBJECTIVE To observe the clinical efficacy of Ziyu Prescription in the treatment of polycystic ovary syndrome relat-ed infertility of kidney deficiency and its effect on endometrial receptivity.METHODS A total of 120 patients with polycystic ovary syndrome related infertility of kidney deficiency were enrolled and randomly divided into a control group and a treatment group,with 60 cases in each group.After excluding dropout cases and excluded cases,56 cases were completed in each group.The control group was treated with letrozole and placebo,while the treatment group was treated with letrozole and Ziyu Prescription.The treatment course of both groups was 3 menstrual cycles.The clinical pregnancy rate and ultrasound Salle score during the implantation window were the main outcome indicators.The traditional Chinese medicine(TCM)syndrome score and serum estradial(E2),testosterone(T),anti-Müllerian hormone(AMH),luteinizing hormone(LH),follicle-stimulating hormone(FSH),homeostatic model assessment of insulin resistance(HOMA-IR),serum E2 and progesterone(P)levels during the implantation window were used as secondary outcome indica-tors.Multivariate Logistic regression and ROC curve analysis were used to evaluate the effect and predictive ability of ultrasound Salle score on pregnancy outcome.Multiple linear regression was used to evaluate the effect of estrogen and progesterone levels during the implantation window on ultrasound Salle score.RESULTS After treatment,the clinical pregnancy rate and ultrasound Salle score during the implantation window in the treatment group were significantly higher than those in the control group(P＜0.05,P＜0.01).The total TCM syndrome score of the treatment group was significantly lower than that of the control group(P＜0.01);the ser-um T,LH/FSH,and HOMA-IR levels of the treatment group were significantly lower than those of the control group(P＜0.05,P＜0.01);the serum E2 and P levels of the treatment group were significantly higher than those of the control group during the implanta-tion window period(P＜0.01).Multivariate Logistic regression analysis and ROC curve analysis showed that ultrasound Salle score was significantly positively correlated with pregnancy rate and had a high predictive value for pregnancy outcome.Multiple linear regression analysis found that there was a linear relationship between the ultrasound Salle score and E2 and P during the implantation window peri-od,and the P level had a greater impact.CONCLUSION Ziyu Prescription can improve the clinical pregnancy rate of patients with polycystic ovary syndrome related infertility of kidney deficiency,effectively improve their endometrial receptivity,regulate the levels of sex hormones and glucose metabolism,reduce the TCM syndrome score,and improve the reproductive quality of patients.

OBJECTIVE To observe the clinical efficacy of Ziyu Prescription in the treatment of polycystic ovary syndrome relat-ed infertility of kidney deficiency and its effect on endometrial receptivity.METHODS A total of 120 patients with polycystic ovary syndrome related infertility of kidney deficiency were enrolled and randomly divided into a control group and a treatment group,with 60 cases in each group.After excluding dropout cases and excluded cases,56 cases were completed in each group.The control group was treated with letrozole and placebo,while the treatment group was treated with letrozole and Ziyu Prescription.The treatment course of both groups was 3 menstrual cycles.The clinical pregnancy rate and ultrasound Salle score during the implantation window were the main outcome indicators.The traditional Chinese medicine(TCM)syndrome score and serum estradial(E2),testosterone(T),anti-Müllerian hormone(AMH),luteinizing hormone(LH),follicle-stimulating hormone(FSH),homeostatic model assessment of insulin resistance(HOMA-IR),serum E2 and progesterone(P)levels during the implantation window were used as secondary outcome indica-tors.Multivariate Logistic regression and ROC curve analysis were used to evaluate the effect and predictive ability of ultrasound Salle score on pregnancy outcome.Multiple linear regression was used to evaluate the effect of estrogen and progesterone levels during the implantation window on ultrasound Salle score.RESULTS After treatment,the clinical pregnancy rate and ultrasound Salle score during the implantation window in the treatment group were significantly higher than those in the control group(P＜0.05,P＜0.01).The total TCM syndrome score of the treatment group was significantly lower than that of the control group(P＜0.01);the ser-um T,LH/FSH,and HOMA-IR levels of the treatment group were significantly lower than those of the control group(P＜0.05,P＜0.01);the serum E2 and P levels of the treatment group were significantly higher than those of the control group during the implanta-tion window period(P＜0.01).Multivariate Logistic regression analysis and ROC curve analysis showed that ultrasound Salle score was significantly positively correlated with pregnancy rate and had a high predictive value for pregnancy outcome.Multiple linear regression analysis found that there was a linear relationship between the ultrasound Salle score and E2 and P during the implantation window peri-od,and the P level had a greater impact.CONCLUSION Ziyu Prescription can improve the clinical pregnancy rate of patients with polycystic ovary syndrome related infertility of kidney deficiency,effectively improve their endometrial receptivity,regulate the levels of sex hormones and glucose metabolism,reduce the TCM syndrome score,and improve the reproductive quality of patients.

Objective Summarize domestic and international community health management models and characteristics for elderly hypertensive patients,providing references for the development of community health management in China.Methods Employ literature research to retrieve relevant documents on community health management models for elderly hypertensive pa-tients,and analyze the characteristics and applicability of different models through summarization and comparative analysis.Results In China,community health management models for elderly hypertensive patients include family doctor contracting serv-ices,Hospital-Community-Home health management model,traditional Chinese medicine health management model,"Internet+"health management model,PDCA cycle model,PRECEDE-PROCEED model,and comprehensive community management model.Foreign studies can be categorized into self-management model,Health Rise model,Community Health2(CH2)model,and community pharmacy management model.Conclusion Conducting hypertension health management for elderly patients at the community level is effective,serving as a widely applicable strategy for chronic disease prevention and control.Continued ex-ploration of the scientific and effective aspects of different management models,improving the efficiency and effectiveness of com-munity health management,can contribute more evidence for the formulation of scientific and effective strategies for chronic dis-ease prevention and control.

This paper aimed to identify etomidate and its structural analogues in hair and urine by HPLC-MS/MS.Hair samples were extracted by ultrasonic grinding and urine samples were extracted by methanol.The samples were on ACQUITY UPLC? HSS T3 column with 10 mmol/L ammonium acetate and 0.5 ‰ formic acid-methanol as mobile phases for gradient elution.Multiple reaction monitoring mode was used for analysis.The separation and detection of structural analogues were realized,especially the isomers propoxate and isopropoxate.There was good linear relationship of the etomidate and its structural analogues in hair and urine,with R greater than 0.998.And the recovery,accuracy and precision all met the requirements.When applied to practical cases,etomidate,metomidate,isopropoxate and etomidate acid were detected simultaneously in the hair samples of 3 cases.And correspondingly,in the urine samples,high content of etomidate acid and low content of the precursor substance metomidate were detected in 2 cases,only etomidate acid was detected in 1case.Etomidate structural analogues have higher content of precursor substances and lower content of metabolite in hair samples,while the opposite was true in urine samples.We cannot reverse confirm the structure of the precursor substances through the detection of the common metabolite etomidate acid in the urine samples.Therefore,ingestion of etomidate structural analogues cannot be accurately assessed from urine samples alone.

This paper aimed to identify etomidate and its structural analogues in hair and urine by HPLC-MS/MS.Hair samples were extracted by ultrasonic grinding and urine samples were extracted by methanol.The samples were on ACQUITY UPLC? HSS T3 column with 10 mmol/L ammonium acetate and 0.5 ‰ formic acid-methanol as mobile phases for gradient elution.Multiple reaction monitoring mode was used for analysis.The separation and detection of structural analogues were realized,especially the isomers propoxate and isopropoxate.There was good linear relationship of the etomidate and its structural analogues in hair and urine,with R greater than 0.998.And the recovery,accuracy and precision all met the requirements.When applied to practical cases,etomidate,metomidate,isopropoxate and etomidate acid were detected simultaneously in the hair samples of 3 cases.And correspondingly,in the urine samples,high content of etomidate acid and low content of the precursor substance metomidate were detected in 2 cases,only etomidate acid was detected in 1case.Etomidate structural analogues have higher content of precursor substances and lower content of metabolite in hair samples,while the opposite was true in urine samples.We cannot reverse confirm the structure of the precursor substances through the detection of the common metabolite etomidate acid in the urine samples.Therefore,ingestion of etomidate structural analogues cannot be accurately assessed from urine samples alone.

Objective To compare the clinical effect and safety of peroral endoscopic myotomy (POEM) with surgical therapy in treatment of esophageal achalasia. Methods 78 patients diagnosed as esophageal achalasia from January 2012 to October 2014 were enrolled in the study and divided into POME group and Heller group. There were 42 patients in POEM group and 36 patients in Heller group. The clinical symptom remission rate, LES resting pressure, Eckardt scores, complication rate, length of hospital stay and the hospitalization expenses were analyzed between the two groups. Results The patients in POEM group and Heller group both got clinical remissions after the treatment. There was no statistical difference in the rate of complication occurrence, Eckardt scores and LES resting pressure between the two groups. Patients in POEM group had shorter operation time, hospital stay and less expenses compared with the Heller group. Conclusions Compared with Heller group, the POEM group has the similar curative effect in treatment of esophageal achalasia. The POEM as a minimally invasive surgery has the advantages of less pain and trauma, shorter hospital stay, well tolerated and low cost. Therefore, the POEM is worth to be popularized and applied in treating esophageal achalasia.