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Low interleukin-10 level indicates a good prognosis in Salmonella enterica serovar typhimurium-induced pediatric hemophagocytic lymphohistiocytosis:A case report

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World Journal of Clinical Cases 2024年第9期12卷 1660-1668页

作者： Yuan-Yuan Chen Xiang-Zhi Xu Xiao-Jun Xu Division/Center of Pediatric Hematology Oncology Children’s HospitalZhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Pediatric Intensive Care Unit Children’s Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina

BACKGROUND Secondary hemophagocytic lymphohistiocytosis(sHLH)triggered by Salmonella enterica serovar Typhimurium is rare in pediatric patients.There is no consensus on how to treat S.typhimurium-triggered sHLH.CASE SUMMARY A 9-year-old boy with intermittent fever for 3 d presented to our hospital with positive results for S.typhimurium,human rhinovirus,and Mycoplasma pneumoniae infections.At the time of admission to our institution,the patient’s T helper 1/T helper 2 cytokine levels were 326 pg/mL for interleukin 6(IL-6),9.1 pg/mL for IL-10,and 246.7 pg/mL for interferon-gamma(IFN-γ),for which the ratio of IL-10 to IFN-γwas 0.04.In this study,the patient received meropenem,linezolid,and cefoperazone/sulbactam in combination with high-dose methylprednisolone therapy(10 mg/kg/d for 3 d)and antishock supportive treatment twice.After careful evaluation,this patient did not receive HLH chemotherapy and recovered well.CONCLUSION S.Typhimurium infection-triggered sHLH patient had a ratio of IL-10 to IFN-γ≤1.33,an IL-10 concentration≤10.0 pg/mL,and/or an IFN-γconcentration≤225 pg/mL at admission.Early antimicrobial and supportive treatment was sufficient,and the HLH-94/2004 protocol was not necessary under these conditions.

关键词： Hemophagocytic lymphohistiocytosis cytokine pattern Interferon gamma Interleukin-10 Salmonella enterica serovar Typhimurium Case report

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Effect of Menopausal Hormone Replacement Therapy on cytokine patterns in a Perimenopausal Mouse Model Established by the Ovarian Castration Method

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Chinese Journal of Biomedical Engineering(English Edition) 2024年第1期33卷 40-48页

作者： HE Bin-bin ZHANG Ju-shun WANG Jin-yong Longyan First Affiliated Hospital of Fujian Medical University Longyan Fujian 364000China

Objective: To investigate the effect of perimenopausal hormone replacement therapy(HRT) on cytokine patterns in a perimenopausal mouse model established by ovarian castration. Methods: The mice were divided into natural menopause group,ovariectomy group and HRT group, with 15 mice in each group, and the estrous cycle, estrous frequency and menopausal time of the mice were determined by vaginal cytology,and the estrous cycle, estrous frequency and menopausal time were compared among the three groups. The serum levels of estradiol(E2) and progesterone(P4) in each group were detected by double-antibody sandwich ELISA, and the levels of interferon gamma(IFN-γ), interleukin-2(IL-2), IL-4 and IL-10 in the spleen γ tissues of mice were detected by ELISA. Results: The time of menopause(53.07±3.99) d in the HRT group was between that of the natural menopause group(80.80±3.26) d and that of the ovariectomy group(16.27±4.35) d, with a statistically significant difference in the two-by-two comparison of the three groups(Pcytokines, which is able to provide an experimental basis for the regulation of menopause-related immune imbalance by HRT.

关键词： menopause hormone replacement therapy(HRT) ovariectomy mouse model cytokine pattern

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