The theoretical basis of premature aging originates from The Yellow Emperor's Inner Classic. The etiology of premature aging is complex， and the disease mechanism is based on deficiency. The treatment for premature aging is based on tonicity. The essence-Qi-spirit theory of Qiluo doctrine summarizes that "essence is the origin of life， Qi is the driving force of life， and spirit is the embodiment of life"， which is the law of life. The theory puts forward the core disease mechanism of aging， which states that "deficiency of kidney essence is the root of aging， deficiency of primordial Qi is the key to aging， impairment of soma and spirit is the manifestation of aging". The theory also proposes the treatment of "tonifying kidney and supplementing essence， harmonizing Yin and Yang， warming and supporting primordial Qi， and nourishing soma and spirit" and the representative anti-aging drugs. The article unfolds from the perspective of the concepts of natural life span， premature senility before fifty， decline， and aging and also explains the origins and connotations of premature aging. The article explains the disease mechanism of premature aging under the guidance of the essence-Qi-spirit theory of Qiluo doctrine， which is "early deprivation of kidney essence， deficiency of primordial Qi， accumulation of deficiencies into impairment， and decline and impairment of soma and spirit"， summarizes the progress of modern medical research on the treatment of premature aging and representative drugs， and finds that Bazi Bushen capsules have a precise therapeutic effect on the overall premature aging， systematic functional decline， and related diseases. The study provides theoretical basis and new ideas to solve the problems of premature aging and geriatric diseases.

Objective:To discuss the characteristics of pulmonary function changes in the pediatric patients with Mycoplasma pneumoniae pneumonia(MPP),the effect of inhaled corticosteroids during the recovery phase on pulmonary function,and the improvement effects of different aerosolized medications on pulmonary function,and to clarify the significance of inhaled corticosteroids in the treatment of MPP pediatric patients during the recovery phase.Methods:A retrospective study was conducted.Sixty-nine MPP children who received inhaled corticosteroids after discharge were selected as treatment group.According to the different medications used after discharge,they were divided into steroid group(receiving inhaled corticosteroids alone,n=42)and combination group(receiving inhaled corticosteroids combined with inhaled long-acting bronchodilators,n=27).Additionally,30 children who did not receive aerosol therapy after discharge during the same period were selected as control group.The general data of the pediatric patients in various groups were collected.The pulmonary function parameters,including forced vital capacity(FVC),forced expiratory volume in the first second(FEV1),ratio of forced expiratory volume in 1 second to forced vital capacity(FEV1/FVC),peak expiratory flow(PEF),and maximal mid-expiratory flow(MMEF),were detected using pulmonary function equipment at the time of entering the recovery phase and 1 month after entering the recovery phase.The changes in pulmonary function of the pediatric patients between control group and treatment group were analyzed.Results:The pulmonary ventilation dysfunction in the MPP pediatric patients was mainly restrictive,followed by mixed.The pulmonary function could be normal or only show small airway dysfunction in some children.In both teatment and control groups,the second pulmonary function parameters including FVC,FEV1,PEF,maximal expiratory flow at 25%of forced vital capacity(MEF25),maximal expiratory flow at 50%of forced vital capacity(MEF50),maximal expiratory flow at 75%of forced vital capacity(MEF75),and MMEF of the pediatric patients were significantly increased compared with the first measurement(P<0.05).Compared with control group,the increase in FEV1/VC at the second measurement of the pediatric patients in treatment group was not significant(P>0.05).The differences in pulmonary function parameters showed an increasing trend in treatment group and control group.The differences in MEF25 and MMEF of the pediatric patients in the treatment group were higher than those in control group(P<0.05).The differences in pulmonary function parameters of the pediatic patients in both steroid group and the combination group showed an overall increasing trend.The differences in FVC,FEV1,FEV1/VC,MEF25,MEF50,and MMEF of the pediatric patients in steroid group were slightly higher than those in combination group.Compared with steroid group,the differences in PEF and MEF75 of the pediatric patients in combination group were slightly higher,but the differences were not statistically significant(P>0.05).The differences in MEF25,MEF50,and MMEF of the pediatric patients in steroid group were higher than those in control group(P<0.05).Conclusion:Both large and small airway functions can be affected in the pediatric patients with MPP,with restrictive ventilation dysfunction being predominant.Airway function can improve during the disease recovery phase.Inhaled corticosteroids during the recovery phase may have a positive therapeutic significance in promoting the recovery of pulmonary function,especially small airway function.The bronchodilators showed no significant effect on improving the pulmonary function during the recovery phase.Therefore,inhaled corticosteroids alone during the recovery phase may promote the recovery of pulmonary function in children with MPP.

Ulcerative colitis(UC)is characterized by chronic relapsing intestinal inflammation.Currently,there is no effective treatment for the disease.According to our preliminary data,1,8-cineole,which is the main active compound of Amomum compactum Sol.ex Maton volatile oil and an effective drug for the treat-ment of pneumonia,showed remarkable anti-inflammatory effects on colitis pathogenesis.However,its mechanism of action and direct targets remain unclear.This study investigated the direct targets and mechanism through which 1,8-cineole exerts its anti-inflammatory effects using a dextran sulfate so-dium salt-induced colitis mouse model.The effects of 1,8-cineole on macrophage polarization were investigated using activated bone marrow-derived macrophages and RAW264.7 cells.In addition,1,8-cineole targets were revealed by drug affinity responsive target stability,thermal shift assay,cellular thermal shift assay,and heat shock protein 90(HSP90)adenosine triphosphatases(ATPase)activity assays.The results showed that 1,8-cineole exhibited powerful anti-inflammatory properties in vitro and in vivo by inhibiting the macrophage M1 polarization and protecting intestinal barrier function.Mech-anistically,1,8-cineole directly interacted with HSP90 and decreased its ATPase activity,also inhibited nucleotide-binding and oligomerization domain-,leucine rich repeat-,and pyrin domain-containing 3(NLRP3)binding to HSP90 and suppressor of G-two allele of SKP1(SGT1)and suppressed NLRP3 inflammasome activation in macrophages.These results demonstrated that 1,8-cineole is a potential drug candidate for UC treatment.

Objective The diagnosis of nasal fractures poses challenges in forensic clinical evaluation.This study aims to develop and enhance an artificial intelligence-based model for nasal fracture recognition,evaluate its performance,and provide assistance and support for forensic clinical identification.Methods Multi-center nasal CT images were selected and screened according to the consensus standards set by Chinese experts in nasal CT examination and diagnosis.A recognition model was constructed,followed by external verification and evaluation.Additionally,the diagnostic capabilities of qualified appraisers/doctors with different professional titles(primary,intermediate,and senior)were compared with the performance of the intelligent recognition model.The accuracy,sensitivity,specificity),and negative predictive value(NP)of the intelligent recognition model were comprehensively evaluated.Results The intelligent recognition model exhibited high diagnostic efficiency and stability.It improved the diagnostic accuracy of radiologists and appraisers in detecting nasal fractures while effectively bridging the gap between inexperienced doctors/appraisers and experienced ones.Conclusion The intelligent recognition model for nasal fractures can assist appraisers in enhancing their ability to locate such fractures on CT images and improve work efficiency while enhancing appraisal opinions'accuracy and scientificity.

Eucommiae Folium(EF),a traditional Chinese medicine,has been used to treat secondary hypertension,including renal hypertension and salt-sensitive hypertension,as well as hypertension caused by thoracic aortic endothelial dysfunction,a high-fat diet,and oxidized low-density lipoprotein.The antihyperten-sive components of EF are divided into four categories:flavonoids,iridoids,lignans,and phenyl-propanoids,such as chlorogenic acid,geniposide acid and pinoresinol diglucoside.EF regulates the occurrence and development of hypertension by regulating biological processes,such as inhibiting inflammation,regulating the nitric oxide synthase pathway,reducing oxidative stress levels,regulating endothelial vasoactive factors,and lowering blood pressure.However,its molecular antihypertensive mechanisms are still unclear and require further investigation.In this review,by consulting the relevant literature on the antihypertensive effects of EF and using network pharmacology,we summarized the active ingredients and pharmacological mechanisms of EF in the treatment of hypertension to clarify how EF is associated with secondary hypertension,the related components,and underlying mechanisms.The results of the network pharmacology analysis indicated that EF treats hypertension through a multi-component,multi-target and multi-pathway mechanism.In particular,we discussed the role of EF tar-gets in the treatment of hypertension,including epithelial sodium channel,heat shock protein70,rho-associated protein kinase 1,catalase,and superoxide dismutase.The relevant signal transduction path-ways,the ras homolog family member A(RhoA)/Rho-associated protein kinase(ROCK)and nicotinamide adenine dinucleotide phosphate(NADPH)oxidase/eNOS/NO/Ca2+pathways,are also discussed.