2.Mechanism study of chlorogenic acid alleviating macrophage activation
Wei ZHENG ; Jing LANG ; Xifeng HUANG ; Rui XIAO ; He BAI ; Ji JIA
China Pharmacy 2023;34(21):2601-2607
OBJECTIVE To observe the effects of chlorogenic acid on the activation of macrophage induced by lipopolysaccharide (LPS), and to explore the role of triggering receptors expressed on myeloid cells-2 (TREM2) in the action. METHODS To find a suitable LPS concentration, the cells were cultured with 1, 10 and 100 ng/mL LPS for 24 h. The level of interleukin 6 (IL-6) in the cell culture supernatant and protein expression of inducible nitric oxide synthase (iNOS) in the cells were detected. To search for a suitable chlorogenic acid concentration, the cells were divided into control group, LPS group and three chlorogenic acid (0.01, 0.1 and 1 μmol/L)+LPS groups. The levels of tumor necrosis factor α (TNF-α) and IL-1β in the cell culture supernatant, the protein expressions of iNOS and TREM2 in the cells and cell viability were detected. To observe the effects of TREM2 in chlorogenic acid alleviating macrophage activation, TREM2-small interfering RNA (TREM2-siRNA) was taken to intervene in TREM2 protein expression. The cells were divided into control group, LPS group, chlorogenic acid+LPS group, TREM2-siRNA+chlorogenic acid+LPS group and SC-siRNA+chlorogenic acid+LPS group. After 24 h incubation, the levels of TNF- α and IL-1β in the cell culture supernatant and protein expressions of TREM2, iNOS and nuclear factor κB p65 (NF-κB p65) in the cells were detected. RESULTS 10 ng/mL LPS promoted IL-6 release and increased iNOS protein expression, and 10 ng/mL LPS was taken in the next experiments. Compared with the LPS group, 0.1 μmol/L chlorogenic acid decreased TNF-α jiaji1981@126.com and IL-1β levels, and down-regulated iNOS expression,meanwhile increased TREM2 expression without effect on cell viability, and 0.1 μmol/L chlorogenic acid was taken in the next experiments. Compared with the control group, the protein expressions of iNOS and NF- κB p65 in the LPS group were significantly increased (P<0.05); compared with the LPS group, the protein expressions of iNOS and NF- κB p65 in the chlorogenic acid+LPS group were significantly decreased, the protein expressions of TREM2 was significantly increased (P< 0.05); compared with the chlorogenic acid+LPS group, the protein expressions of iNOS and NF-κB p65 of TREM2-siRNA+ chlorogenic acid+LPS group were significantly increased, the protein expressions of TREM2 was significantly decreased (P<0.05). TREM2-siRNA could significantly reverse the above effects of chlorogenic acid, while SC-siRNA did not significantly affect the above anti-inflammatory effects of chlorogenic acid. CONCLUSIONS Chlorogenic acid can inhibit the LPS-induced macrophage activation, and its anti-inflammatory may be mediated by TREM2 protein.
4.Surgery in gynecology.
Chinese Journal of Obstetrics and Gynecology 2023;58(7):481-484
5.Evaluation of the efficacy and safety of Nocardia rubra cell wall skeleton immunotherapy for cervical high-risk HPV persistent infection.
Fei CHEN ; Wen DI ; Yuan Jing HU ; Chang Zhong LI ; Fei WANG ; Hua DUAN ; Jun LIU ; Shu Zhong YAO ; You Zhong ZHANG ; Rui Xia GUO ; Jian Dong WANG ; Jian Liu WANG ; Yu Quan ZHANG ; Min WANG ; Zhong Qiu LIN ; Jing He LANG
Chinese Journal of Obstetrics and Gynecology 2023;58(7):536-545
Objective: To evaluate the efficacy and safety of Nocardia rubra cell wall skeleton (Nr-CWS) in the treatment of persistent cervical high-risk human papillomavirus (HR-HPV) infection. Methods: A randomized, double blind, multi-center trial was conducted. A total of 688 patients with clinically and pathologically confirmed HR-HPV infection of the cervix diagnosed in 13 hispital nationwide were recruited and divided into: (1) patients with simple HR-HPV infection lasting for 12 months or more; (2) patients with cervical intraepithelial neoplasia (CIN) Ⅰ and HR-HPV infection lasting for 12 months or more; (3) patients with the same HR-HPV subtype with no CINⅡ and more lesions after treatment with CINⅡ or CIN Ⅲ (CINⅡ/CIN Ⅲ). All participants were randomly divided into the test group and the control group at a ratio of 2∶1. The test group was locally treated with Nr-CWS freeze-dried powder and the control group was treated with freeze-dried powder without Nr-CWS. The efficacy and negative conversion rate of various subtypes of HR-HPV were evaluated at 1, 4, 8, and 12 months after treatment. The safety indicators of initial diagnosis and treatment were observed. Results: (1) This study included 555 patients with HR-HPV infection in the cervix (included 368 in the test group and 187 in the control group), with an age of (44.1±10.0) years. The baseline characteristics of the two groups of subjects, including age, proportion of Han people, weight, composition of HR-HPV subtypes, and proportion of each subgroup, were compared with no statistically significant differences (all P>0.05). (2) After 12 months of treatment, the effective rates of the test group and the control group were 91.0% (335/368) and 44.9% (84/187), respectively. The difference between the two groups was statistically significant (χ2=142.520, P<0.001). After 12 months of treatment, the negative conversion rates of HPV 16, 18, 52, and 58 infection in the test group were 79.2% (84/106), 73.3% (22/30), 83.1% (54/65), and 77.4% (48/62), respectively. The control group were 21.6% (11/51), 1/9, 35.1% (13/37), and 20.0% (8/40), respectively. The differences between the two groups were statistically significant (all P<0.001). (3) There were no statistically significant differences in vital signs (body weight, body temperature, respiration, pulse rate, systolic blood pressure, diastolic blood pressure, etc.) and laboratory routine indicators (blood cell analysis, urine routine examination) between the test group and the control group before treatment and at 1, 4, 8, and 12 months after treatment (all P>0.05); there was no statistically significant difference in the incidence of adverse reactions related to the investigational drug between the two groups of subjects [8.7% (32/368) vs 8.0% (15/187), respectively; χ2=0.073, P=0.787]. Conclusion: External use of Nr-CWS has good efficacy and safety in the treatment of high-risk HPV persistent infection in the cervix.
Female
;
Humans
;
Adult
;
Middle Aged
;
Cervix Uteri/pathology*
;
Uterine Cervical Neoplasms/pathology*
;
Papillomavirus Infections/diagnosis*
;
Cell Wall Skeleton
;
Persistent Infection
;
Powders
;
Uterine Cervical Dysplasia/pathology*
;
Immunotherapy
;
Papillomaviridae
7.Clinical Characterization of Patients with Ovarian Mass Combined with Dysplasia of Secondary Sexual Characteristics.
Qian LIU ; Hui-Mei ZHOU ; Jia-Xin YANG ; Dong-Yan CAO ; Keng SHEN ; Jing-He LANG
Acta Academiae Medicinae Sinicae 2022;44(1):17-23
Objective To investigate the clinical characteristics of preadolescent and adolescent female patients with ovarian mass combined with dysplasia of secondary sexual characteristics. Methods This study retrospectively analyzed 18 cases of ovarian mass combined with dysplasia of secondary sexual characteristics aged 0-19 years admitted to Peking Union Medical College Hospital from January 2012 to November 2019.By analyzing the clinical manifestations,surgical methods,postoperative pathology,therapies and prognosis of the cases,we summarized the diagnosis and treatment ideas. Results Among the 18 cases,7(7/18,38.9%)developed secondary sex signs before puberty,including 5 cases showing precocity(including 2 cases of juvenile granulosa cell tumor,1 case of gonadoblastoma,1 case of ovarian follicular cyst,and 1 case of 46,XY simple gonadal dysplasia combined with dysgerminoma)and 2 cases presenting masculine manifestations(1 case of steroid cell tumor and 1 case of sclerosing stromal tumor).The rest 11(11/18,61.1%)cases showed abnormal development of secondary sexual characteristics during puberty,including 8 cases with masculine manifestations or abnormal menstruation after menarche(7 cases with sex cord stromal cell tumor and 1 case with cystic granulosa cell tumor),2 cases with primary amenorrhea(1 case with androgen insensitivity syndrome combined with testicular sertoli cell tumor and 1 case with endometriosis cyst combined with reproductive tract malformation),and 1 case diagnosed as 46,XX gonadal dysplasia with serous cystadenoma and no secondary sexual development during puberty. Conclusions Sex hormone levels should be actively tested in the case of prepubertal secondary sexual characteristics appearing early,pubertal secondary sexual characteristics being abnormal(underdevelopment),and/or menstrual abnormalities.Imaging examination should be performed to exclude ovarian organic lesions,and chromosome karyotype analysis should be performed if necessary.The diagnosis of ovarian mass in preadolescent and adolescent females with related symptoms should first be alerted to cord stromal cell tumor.It is recommended to rule out the possibility of combined reproductive tract malformation in the adolescent patients with primary amenorrhea.Chromosome examination should be conducted to rule out the possibility of gonadal dysplasia in the adolescent patients with primary amenorrhea and/or no development of secondary sexual characteristics.
Adolescent
;
Child
;
Child, Preschool
;
Female
;
Humans
;
Hyperplasia/complications*
;
Infant
;
Infant, Newborn
;
Ovarian Neoplasms/pathology*
;
Retrospective Studies
;
Young Adult
8.Impact of neoadjuvant chemotherapy on long-term prognosis for borderline resectable pancreatic cancer treated with combined allogeneic vascular replacement
Jincan HUANG ; Fei PAN ; Tao JIANG ; Jing WANG ; Qing CHEN ; Mengxiu HUANG ; Qiang HE ; Ren LANG
Chinese Journal of Hepatobiliary Surgery 2022;28(8):582-586
Objective:To evaluate the impact of neoadjuvant chemotherapy on long-term prognosis of patients with borderline resectable pancreatic cancer (BRPC) treated with combined allograft revascularization.Methods:The data of patients with BRCP who were treated at Beijing Chaoyang Hospital, Capital Medical University from March 2016 to March 2021 were retrospectively analysed. Of 52 patients who underwent radical surgery combined with allograft revascularization in this study, there were 24 males and 28 females, aged (60.3±10.6) years old. These patients were divided into two groups based on whether they received neoadjuvant chemotherapy before surgery. There were 19 patients in the neoadjuvant chemotherapy group and 33 patients in the vascular replacement group. Outpatient clinic and telephone follow-up were used. The clinical data and prognostic differences between the two groups were then analysed.Results:Of 52 patients who underwent surgery successfully, 14 patients (26.9%) developed postoperative complications. The incidence of postoperative pancreatic fistula was significantly lower in the neoadjuvant chemotherapy group than the vascular replacement group (0 vs. 21.2%, P<0.05). The median survivals were 15 and 13 months in the neoadjuvant chemotherapy and the vascular replacement groups, respectively, with a significant difference in cumulative postoperative survival between the two groups ( P=0.039). For patients with BRPC, CA19-9>400 U/ml ( RR=4.540, 95% CI: 2.332-8.836, P<0.001) was an independent risk factor for long-term survival after surgery. Conclusions:Neoadjuvant chemotherapy reduced the incidence of postoperative pancreatic fistula and improved survival prognosis in patients with BRPC. A high preoperative serum CA19-9 level was an independent risk factor for long-term survival in patients with BRPC.
9.Application study on adoptive transfusion of tolerogenic dendritic cells in promoting immune tolerance of liver transplantation in rat models
Ya' nan JIA ; Lin ZHOU ; Yang ZHAO ; Jing WANG ; Qing CHEN ; Ruolin WANG ; Ren LANG ; Qiang HE ; Xianliang LI
Organ Transplantation 2022;13(3):371-
Objective To investigate the role of tolerogenic dendritic cell (tolDC) in inducing immune tolerance in liver transplantation. Methods Liver transplantation rat models of spontaneous tolerance [Brown Norway (BN)→Lewis, tolerance group,
10.A 14-year multi-institutional collaborative study of Chinese pelvic floor surgical procedures related to pelvic organ prolapse.
Zhi-Jing SUN ; Xiu-Qi WANG ; Jing-He LANG ; Tao XU ; Yong-Xian LU ; Ke-Qin HUA ; Jin-Song HAN ; Huai-Fang LI ; Xiao-Wen TONG ; Ping WANG ; Jian-Liu WANG ; Xin YANG ; Xiang-Hua HUANG ; Pei-Shu LIU ; Yan-Feng SONG ; Hang-Mei JIN ; Jing-Yan XIE ; Lu-Wen WANG ; Qing-Kai WU ; Jian GONG ; Yan WANG ; Li-Qun WANG ; Zhao-Ai LI ; Hui-Cheng XU ; Zhi-Jun XIA ; Li-Na GU ; Qing LIU ; Lan ZHU
Chinese Medical Journal 2021;134(2):200-205
BACKGROUND:
It has been a global trend that increasing complications related to pelvic floor surgeries have been reported over time. The current study aimed to outline the development of Chinese pelvic floor surgeries related to pelvic organ prolapse (POP) over the past 14 years and investigate the potential influence of enhanced monitoring conducted by the Chinese Association of Urogynecology since 2011.
METHODS:
A total of 44,594 women with POP who underwent pelvic floor surgeries between October 1, 2004 and September 30, 2018 were included from 22 tertiary academic medical centers. The data were reported voluntarily and obtained from a database. We compared the proportion of each procedure in the 7 years before and 7 years after September 30, 2011. The data were analyzed by performing Z test (one-sided).
RESULTS:
The number of different procedures during October 1, 2011-September 30, 2018 was more than twice that during October 1, 2004-September 30, 2011. Regarding pelvic floor surgeries related to POP, the rate of synthetic mesh procedures increased from 38.1% (5298/13,906) during October 1, 2004-September 30, 2011 to 46.0% (14,107/30,688) during October 1, 2011-September 30, 2018, whereas the rate of non-mesh procedures decreased from 61.9% (8608/13,906) to 54.0% (16,581/30,688) (Z = 15.53, P < 0.001). Regarding synthetic mesh surgeries related to POP, the rates of transvaginal placement of surgical mesh (TVM) procedures decreased from 94.1% (4983/5298) to 82.2% (11,603/14,107) (Z = 20.79, P < 0.001), but the rate of laparoscopic sacrocolpopexy (LSC) procedures increased from 5.9% (315/5298) to 17.8% (2504/14,107).
CONCLUSIONS:
The rate of synthetic mesh procedures increased while that of non-mesh procedures decreased significantly. The rate of TVM procedures decreased while the rate of LSC procedures increased significantly.
TRIAL REGISTRATION NUMBER
NCT03620565, https://register.clinicaltrials.gov.
China
;
Female
;
Gynecologic Surgical Procedures/adverse effects*
;
Humans
;
Pelvic Floor/surgery*
;
Pelvic Organ Prolapse/surgery*
;
Surgical Mesh/adverse effects*
;
Treatment Outcome
;
Vagina

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