Cervical cancer is one of the most common gynecological malignant tumors in China. Given their lack of obviously early symptoms, more than half of patients with cervical cancer are diagnosed in the middle and late stages of this malignancy, resulting in poor prognosis. Finding new therapeutic targets is the current research direction. Metabolomics, as a new omics technology, is expected to provide new targets for tumor precision diagnosis and treatment through the analysis of the changes and potential mechanisms of metabolites in tumor occurrence and development by chromatography, mass spectrometry, and other technologies. Herein, we review the research methods of metabolomics; metabolic characteristics of cervical cancer; and progress of the research on metabolomics in cervical cancer diagnosis, curative effect prediction, and prognosis evaluation to provide new ideas for the precise diagnosis and treatment of cervical cancer.

Bongkrekic acid(BA)is a toxin with stable properties and no distinctive smell.It exists in common foods such as fermented edible grain products,potato products,spoiled tremella fuciformis and auricularia polytricha,as well as auricularia polytricha that has been soaked too long.It can easily cause food poisoning.At present,there is still a lack of complete method to detect BA,and no spe-cific antidote of BA has been found.Therefore,BA poisoning is easy to be misdiagnosed or missed diagnosed,and its mortality rate remains high.In recent years,studies have revealed the toxic mecha-nism of BA and found that BA can inactivate some enzymes containing thiol groups(-SH)and in-hibit the synthesis and transport of adenosine triphosphate(ATP),causing damage to liver,kidney,brain and other parenchymal organs.This article reviews the autopsy cases and literature of deaths caused by BA poisoning at home and abroad,systematically summarizes the epidemiology,clinical manifestations,pathological changes,toxicological mechanisms,detection methods,forensic diagnostic key points and challenges of BA in forensic medicine,with the aim of providing a reference for foren-sic identification of related cases.

Objective To investigate the heterogeneity between left-and right-sided colorectal cancer(CRC)in terms of clinical pathological features and gene expression,thereby providing a foundation for personalized treatment.Methods A retrospective analysis was conducted on the clinical data,next-generation sequencing(NGS)results,and treatment plans of 186 CRC patients treated at the forth hospital affiliated of guangxi medical university from July 2020 to August 2023.Patients were categorized into left-sided CRC(n=134)and right-sided CRC(n=52)based on tumor location.Clinical and pathological characteristics were analyzed using SPSS 24.0 software,and Kaplan-Meier survival curves were generated to compare overall survival(OS)between groups using the Log-rank test.Additionally,this study compared the clinical and pathological features,NGS-based gene mutation profiles,and prognostic differences between left-and right-sided CRC patients.Results In the clinical and patho-logical characteristics,no significant differences were observed between left-and right-sided CRC patients regarding gender,distant metastasis,ECOG performance status,TNM stage,or levels of carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9)(P>0.05).However,there were significant differences in age(P<0.05).In terms of gene mutation characteristics,the mutation frequencies of NRAS,BRAF,and APC genes did not differ significantly between left-and right-sided CRC patients(P>0.05).However,right-sided CRC patients exhibited significantly higher mutation frequencies of PIK3CA and SMAD4 genes,as well as a higher prevalence of microsat-ellite instability(MSI),compared to left-sided CRC patients(P<0.05).Conversely,left-sided CRC patients had significantly higher TP53 mutation frequencies than right-sided CRC patients(P<0.05).In prognostic analysis,af-ter a three-year follow-up,no significant difference in OS was observed between the two groups.Conclusions Significant disparities are observed in the clinical pathological features and gene expression profiles between left-and right-sided CRC.These findings indicate that distinct approaches should be adopted in clinical diagnosis and treatment to facilitate personalized and precise care.

Objective To investigate the heterogeneity between left-and right-sided colorectal cancer(CRC)in terms of clinical pathological features and gene expression,thereby providing a foundation for personalized treatment.Methods A retrospective analysis was conducted on the clinical data,next-generation sequencing(NGS)results,and treatment plans of 186 CRC patients treated at the forth hospital affiliated of guangxi medical university from July 2020 to August 2023.Patients were categorized into left-sided CRC(n=134)and right-sided CRC(n=52)based on tumor location.Clinical and pathological characteristics were analyzed using SPSS 24.0 software,and Kaplan-Meier survival curves were generated to compare overall survival(OS)between groups using the Log-rank test.Additionally,this study compared the clinical and pathological features,NGS-based gene mutation profiles,and prognostic differences between left-and right-sided CRC patients.Results In the clinical and patho-logical characteristics,no significant differences were observed between left-and right-sided CRC patients regarding gender,distant metastasis,ECOG performance status,TNM stage,or levels of carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9)(P>0.05).However,there were significant differences in age(P<0.05).In terms of gene mutation characteristics,the mutation frequencies of NRAS,BRAF,and APC genes did not differ significantly between left-and right-sided CRC patients(P>0.05).However,right-sided CRC patients exhibited significantly higher mutation frequencies of PIK3CA and SMAD4 genes,as well as a higher prevalence of microsat-ellite instability(MSI),compared to left-sided CRC patients(P<0.05).Conversely,left-sided CRC patients had significantly higher TP53 mutation frequencies than right-sided CRC patients(P<0.05).In prognostic analysis,af-ter a three-year follow-up,no significant difference in OS was observed between the two groups.Conclusions Significant disparities are observed in the clinical pathological features and gene expression profiles between left-and right-sided CRC.These findings indicate that distinct approaches should be adopted in clinical diagnosis and treatment to facilitate personalized and precise care.

Background:The effects of keto acid (KA) supplements on Chinese patients receiving maintenance hemodialysis (MHD) are unclear.This study aimed to evaluate the effects of KA supplementation on nutritional status,inflammatory markers,and bioelectric impedance analysis (BIA) parameters in a cohort of Chinese patents with MHD without malnutrition.Methods:This was a prospective,randomized,controlled,single-center clinical study conducted in 2011 till 2014.Twenty-nine patients with MHD were randomly assigned to a control (n =14) or a KA (n =15) group.The control group maintained a dietary protein intake of 0.9 g/kg/day.The KA group received additional KA supplement (0.1 g/kg/day).BIA was used to determine the lean tissue mass,adipose tissue mass,and body cell mass.The patients' nutritional status,dialysis adequacy,and biochemical parameters were assessed at the ends of the third and sixth months with t test or Wilcoxon rank-sum test.Results:The daily total energy intake for both groups was about 28 kcal/kg/day.After 6 months,the Kt/V (where K is the dialyzer clearance of urea,t is the dialysis time,and V is the volume of the distribution of urea) was 1.33 ± 0.25 in KA group,and 1.34 ± 0.25in the control group.The median triceps skin-fold thickness in KA group was 12.00 and 9.00 mm in the control group.In addition,the median hand-grip strength in KA group was 21.10 and 25.65 kg in the control group.There were no significant differences between the groups with respect to the anthropometry parameters,dialysis adequacy,serum calcium and phosphorus levels,inflammatory markers,and amino-acid profiles,or in relation to the parameters determined by BIA.Both groups achieved dialysis adequacy and maintained nutritional status during the study.Conclusions:In this cohort of Chinese patients with MHD,the patients in the control group whose dietary protein intake was 0.9 g/ kg/day and total energy intake was 28 kcal/kg/day,maintained well nutritional status during study period.The KA supplement (0.1 g/kg/day) did not improve the essential amino acid/non-essential amino acid ratio,nor did it change the patients' mineral metabolism,inflammatory parameters,or body compositions.