1.Performance of point-of-care testing for cervical cancer screening.
Suang ZHAO ; Xue Lian ZHAO ; Shang Ying HU ; Jun Fei MA ; Cai Feng SU ; De Bin WANG ; Xun ZHANG ; Fang Hui ZHAO
Chinese Journal of Preventive Medicine 2022;56(2):165-170
Objective: To evaluate the performance of point-of-care testing for cervical cancer and precancerous lesions screening. Methods: In September 2020, 197 and 273 women were selected by using simple random sampling method from "self-sampling" cohort and "physician-sampling" cohort established in Xiangyuan county, Shanxi Province, China, respectively. Cervical exfoliated cells were collected by women themselves or gynecologists. All samples were detected by POCT and women with positive result were directly referred for colposcopy. Subsequently, all the samples were detected by careHPV and PCR test. Colposcopy and punch biopsy were performed for women with POCT negative but careHPV or PCR test positive at another visit. Using histopathological diagnosis as the gold standard, we calculated sensitivity, specificity and drew the receiver operating characteristic (ROC) curves. The accuracy of POCT was analyzed and compared to that of careHPV and conventional PCR test in cervical cancer and precancerous lesions screening. Results: The median (Q1 , Q3) age of 470 women was 51 (45, 57) years old. Based on self-sampling, the sensitivity and specificity of POCT for CIN2+ were 100.00% (95%CI: 56.56%-100.00%) and 28.95% (95%CI: 22.97%-35.76%), respectively. Compared with POCT, POCT HPV16/18 test had similar sensitivity and higher specificity of 89.47% (95%CI: 84.30%-93.08%). Self-sampling POCT HPV16/18 test had an AUC of 0.947 (95%CI:0.910-0.985), which was higher than that of careHPV and PCR test. Physician-sampling POCT test had 100.00% sensitivity (95%CI: 64.57%-100.00%) and 55.85% specificity (95%CI: 49.83%-61.70%) for detecting CIN2+. POCT HPV16/18 test had lower sensitivity (71.43%, 95%CI: 35.90%-91.76%) and higher specificity (92.45%, 95%CI: 88.63%-95.06%). POCT HPV16/18 test generally showed similar AUC on both self-collected samples and clinician-collected samples (0.947 vs 0.819, P=0.217). Conclusion: POCT HPV16/18 test is an effective method with relatively high sensitivity and specificity for cervical cancer screening.
Cervical Intraepithelial Neoplasia/diagnosis*
;
Colposcopy
;
Early Detection of Cancer/methods*
;
Female
;
Human papillomavirus 16/genetics*
;
Human papillomavirus 18
;
Humans
;
Mass Screening/methods*
;
Papillomaviridae
;
Papillomavirus Infections/diagnosis*
;
Point-of-Care Testing
;
Pregnancy
;
Sensitivity and Specificity
;
Uterine Cervical Neoplasms
2.Effect of Buyang Huanwutang on Protein Expression of MAP-2, NF-M and GAP-43 After Sciatic Nerve Transection Anastomosis in Rats
Si-cheng YAO ; Xian-de MA ; Lian-feng JIN ; Chun-tian WANG ; Chong-min CHEN ; Xi-wei ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2021;27(20):23-30
Objective:To investigate the effects of Buyang Huanwutang on the expression of microtubule-associated protein-2(MAP-2), neurofilament-M(NF-M), and growth associated protein-43(GAP-43)in rat sciatic nerve after sciatic nerve transection and anastomosis. To explore the mechanism of Buyang Huanwutang promoting peripheral nerve regeneration. Method:SD rats were selected as the experimental subjects, and sciatic nerve transection model was selected as the experimental model. They were randomly divided into model group, sham operation group, Buyang Huanwutang group high, medium and low dose (29.6, 14.8, 7.4 g·kg-1)group, and mecobalamin (0.156 mg·kg-1)group, the model group and the sham operation group were given distilled water intragastric administration. After successful modeling, each group was treated with relevant drugs for 4 weeks. After 4 weeks, sciatic nerve function index(SFI), degree of inclined plate test and hematoxylin-eosin(HE)of sciatic nerve in each group were tested. The expression levels of MAP-2, NF-M, and GAP-43 at the sciatic nerve anastomosis site were detected by immunohistochemistry and Western blot. Result:Compared with sham operation group, the expression levels of SFI, inclined plate test, MAP-2, NF-M and GAP-43 in model group were significantly increased (
3.Investigation of Ecological Environment of Mountain Cultivated Panax ginseng and Their Associated Plants
Lian-lian ZHU ; Yan MA ; Liang XU ; Hao-yu HU ; Bo HE ; Xiao-bo ZHANG ; Wei-min XU ; Su-tao BAI ; De-qiang DOU
Chinese Journal of Experimental Traditional Medical Formulae 2020;26(21):202-209
Objective:To investigate the ecological environment and associated plants of mountain cultivated
4.General Situation of Modern Research of Chuanxiong Chatiaosan
Guo-you WANG ; Yun WANG ; Xue ZHANG ; De-peng LIU ; Lan ZHANG ; Ya GAO ; Yin-lian MA ; Cun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2020;26(13):228-234
Chuanxiong Chatiaosan was first recorded in
5. Research Progress of Gardeniae Fructus in Treatment of Cerebral Ischemia
Yun WANG ; Dong-ying LI ; Fan-kai LIN ; De-peng LIU ; Xue ZHANG ; Guo-you WANG ; Yin-lian MA ; Cun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2019;25(24):226-234
Ischemic stroke is one of the diseases that seriously threaten human health. It is characterized by the high morbidity, disability rate and mortality, and has been lacking effective treatment. Its occurrence is related to metabolic disorder, calcium overload, free radical injury, inflammatory reaction, etc. Gardeniae Fructus not only has antipyretic, analgesic, hepatoprotective and cholagogic effects, but also has protective effects against ischemic brain injury. At present, there are more studies about the main components of Gardeniae Fructus against ischemic brain injury, but the mechanism is unclear. In this paper, the mechanism of the main active ingredients from Gardeniae Fructus in the treatment of cerebral ischemia injury in recent years was reviewed, and the effective component monomer and the whole were analyzed, so as to provide a basis for the prevention and treatment of ischemic brain injury of Gardeniae Fructus decoction pieces, and provide a reference for further research and application of this decoction pieces.
6. Research Progress of Processing in Production Place and Processing Methods of Bupleuri Radix
De-peng LIU ; Yun WANG ; Xue ZHANG ; Qing-hao WANG ; Guo-you WANG ; Meng-yu XIA ; Yin-lian MA ; Zhen-hong LEI ; Yu-long WANG ; Cun ZHANG ; Cheng-yong WANG
Chinese Journal of Experimental Traditional Medical Formulae 2019;25(19):204-211
Bupleuri Radix is a traditional Chinese medicine commonly used in clinical practice, which has the effects of relieving fever, relieving liver and depression, and promoting Yangqi. At present, the varieties of Bupleuri Radix are relatively chaotic, and the processing in the production areas is relatively extensive. In the processing of Bupleuri Radix, the processed products contained in the 2015 edition of Chinese Pharmacopoeia are raw products and vinegar-processed products. In addition, the specifications on Chinese medicine processing in various provinces and cities contain many processing methods, such as stir-frying with wine, stir-frying with honey, processed with turtle blood, etc. However, there are great differences in processing specifications among provinces and cities, and the processing methods lack clear process parameters, so the quality of Bupleuri Radix decoction pieces produced on these basis is uneven, which affects the clinical application of the decoction pieces. By consulting ancient books and relevant literature, the authors conduct textual research on the varieties of Bupleuri Radix, and systematically summarized the processing methods and processing methods in the producing area, so as to provide reference for the establishment of processing technology specifications and quality standards of Bupleuri Radix decoction pieces.
7.Study on quality standard of rice as excipients during rice stir-frying method.
Qing-Hao WANG ; Yun WANG ; Xue ZHANG ; Guo-You WANG ; De-Peng LIU ; Yin-Lian MA ; Zhen-Hong LEI ; Yu-Long WANG ; Cun ZHANG
China Journal of Chinese Materia Medica 2019;44(9):1814-1821
Commercially available japonica rice and indica rice with different trade names were collected,and then based on the method of rice stir-frying,their many indexes were evaluated,for example the physical and chemical properties such as appearance color,grain type,broken kernel ratio,length-width ratio,1 000-grain weight,specific heat capacity,moisture content,amylose content,and protein content. The discriminant function analysis was used to determine the effective factors affecting the quality of rice as excipients. The results showed that two types of rice could be distinguished by rice color parameter a*,grain parameter circularity,1 000-grain weight and amylose content. These four effective factors can be used as the quality evaluation indexes for fried rice as excipients.Protein is one of the main components of rice,and its content affects the quality of rice. There is a significant difference in the protein content between japonica rice and indica rice. Therefore,protein content should be used as one of the evaluation indexes for rice quality. After comprehensive consideration,it is suggested that the red-green value a*shall not be less than 0. 50; the circularity not less than 53. 0,the 1 000-grain weight not less than 16. 0 g,the amylose content not less than 12. 0% and the protein content not less than4. 0% in the japonica rice; the red-green value a*shall not be lower than-1. 0,the circularity not less than 41. 0,the 1 000-grain weight not less than 13. 0 g,the amylose content not less than 9. 0% and the protein content not less than 3. 5% in the indica rice. In this study,the quality evaluation standards for rice as excipients( japonica rice,indica rice) were supplemented and improved,laying foundation for the development of quality standards for rice as excipients with the rice stir-frying method.
Amylose
;
Cooking
;
Excipients
;
Food Quality
;
Hot Temperature
;
Oryza
;
chemistry
8.Establishment of extraction method for Gardeniae Fructus extract and its application in evaluating different Gardeniae Fructus decoction pieces.
Xue ZHANG ; Yun WANG ; Qing-Hao WANG ; Guo-You WANG ; De-Peng LIU ; Yin-Lian MA ; Yan SONG ; Yu-Lian ZHANG ; Ting-Ting LYU ; Cun ZHANG
China Journal of Chinese Materia Medica 2019;44(13):2792-2798
In this experiment,the gradation analysis method was used to evaluate the quality of different pieces of Gardeniae Fructus through the extraction rate difference and the difference analysis of the main components in the extract. In this experiment cold-dip and hot-dip methods were used to compare the yield of Gardeniae Fructus extract and the content of chemical constituents with water,25%,50%,75% and 95% ethanol fractions. By weighted calculation,the optimal extraction method of Gardeniae Fructus was determined,and this was verified by practical application. RESULTS:: showed that for the water-soluble extract,cold dip method was better than the hot dip method; and for alcohol-soluble extract,75% ethanol under cold dip method was best. The verification results showed that water-soluble extracts under cold dip methods could be used to significantly distinguish the raw Gardeniae Fructus( GF) and processed( stir-baked) GF( GFP) collected from the market. Meanwhile,this method could be also used to distinguish the same batch of GF,GFP and carbonized GF( GFC) with significant differences,respectively( P<0. 05). Ethanol-soluble extract can be used to clearly distinguish GFP and GFC pieces in the same batch( P<0. 05). The results of content determination showed that the variation coefficient of components in GF processed products was higher than that in extracts,and the content of hydroxygeniposide was the most significant component between GF and its processed products. It is suggested that the method of water-soluble extract of GF and the determination of the content of gardoside should be combined together to evaluate the quality of GF and its heat processed products.
Drugs, Chinese Herbal
;
analysis
;
Fruit
;
chemistry
;
Gardenia
;
chemistry
;
Plant Extracts
;
analysis
9.Analysis of intratesticular condition in micro-dissection testicular sperm extraction era.
Lian Ming ZHAO ; Hui JIANG ; Kai HONG ; Hao Cheng LIN ; Wen Hao TANG ; De Feng LIU ; Jia Ming MAO ; Zhe ZHANG ; Sheng Li LIN ; Lu Lin MA
Journal of Peking University(Health Sciences) 2019;51(4):632-635
OBJECTIVE:
To summarizes the intratesticular condition of azoospermia patients, to understand azoospermia more intuitively, and improve the ability of clinical doctors to predict the success rate of microsperm extraction in azoospermia patients.
METHODS:
Azoospermia patients (excluding Klinefelter's syndrome) who underwent a micro-TESE during January 2014 and January 2018 in a single center were enrolled. The types of seminiferous tubules were summarized, and the clinical characteristics of different types of seminiferous tubules compared with the success rates of sperm extraction. In this study, 472 cases of non-obstructive azoospermia (excluding Klinefelter's syndrome) were analyzed by SPSS 21.0 software package. Relevant data were expressed by median(minimum,maximum).t-test was used to compare the difference of success rate of sperm extraction between each group and the group with the lowest rate (a type).
RESULTS:
The 472 patients with non-obstructive azoospermia underwent micro-TESE. The mean age of the patients was 31 (23, 46) years, the mean testicular size was 10 (1, 20) mL, the mean FSH was 15.4 (1.21, 68.4) IU/L, the mean T was 8.34 (0.69, 30.2) nmol/L, and totally 202 patients achieved success in micro-TESE (42.7%, 202/472). According to the seminiferous tubules seen during the operation, they were divided into the following six types: Class a, seminiferous tubules developed well and uniformly; Class b, seminiferous tubules developed well, occasionally slightly thick; Class c, seminiferous tubules were generally thin; Class d, seminiferous tubules basically atrophied, occasionally well-developed seminiferous tubules; Class e, all seminiferous tubules atrophied; Class f, seminiferous tubules were infiltrated by yellow substances. The success rate of micro-TESE varied greatly among different types of the patients. A total of 78 patients with type a were 29 (24, 40) years old, FSH 11.1 (1.21, 15.8) IU/L, T 10.2 (3.29, 26.5) nmol/L), and testicular size 12 (12, 20) mL. The successful rate of sperm extraction was 6.41%; 82 patients with type b were 31 (23, 42) years old, FSH 13.8 (3.23, 19.6) IU/L, T 9.44 (3.58, 30.2) nmol/L), and testicular size 12(8,15) mL. The successful rate of sperm extraction was 74.39%; There were 162 patients in group c, aged 31 (25, 40), FSH 19.6 (9.28, 26.6) IU/L, T 8.75 (5.66, 18.6) nmol/L, and testicular size 8 (5, 12) mL. The successful rate of sperm extraction was 45.06%. There were 36 patients in group d, aged 25 (23,38) years and FSH 28.5 (19.3, 45.6) IU/L, T 6.52 (2.12, 9.83) nmol/L, and testicular size 5 (3, 8) mL, and the success rate of sperm extraction was 94.44%. 26 patients with type e were 28(23, 46) years old, FSH 31.3 (18.5, 68.4) IU/L, T 6.72 (0.69, 18.2) nmol/L, and testicular size 5 (1, 8) mL. The success rate of sperm extraction was 45.38%. 88 patients with type f were 29 (24, 38) years old, FSH 18.5 (5.23, 31.6) IU / L, T 8.32 (3.58, 16.5) nmol/L, and testicular size 12 (6, 20) mL. The success rate of sperm extraction was 28.41%.
CONCLUSION
The success rate of micro-TESE in different types of seminiferous tubules in testis can be helpful to the judgement of the surgeon during the operation.
Adult
;
Azoospermia
;
Dissection
;
Humans
;
Male
;
Middle Aged
;
Sperm Retrieval
;
Spermatozoa
;
Testis
;
Young Adult
10.Effect of testicular puncture biopsy on the success rate of microdissection testicular sperm extraction for idiopathic non-obstructive azoospermia.
Jia Ming MAO ; De Feng LIU ; Lian Ming ZHAO ; Kai HONG ; Li ZHANG ; Lu Lin MA ; Hui JIANG ; Jie QIAO
Journal of Peking University(Health Sciences) 2018;50(4):613-616
OBJECTIVE:
To explore the predictive effect of testicular puncture biopsy and the biopsy results on the success rate of microdissection testicular sperm extraction (micro-TESE) in patients with idiopathic non-obstructive azoospermia.
METHODS:
We retrospectively evaluated the micro-TESE performance in patients with idiopathic non-obstructive azoospermia (NOA) referred to the Reproductive Medicine Center of Peking University Third Hospital between January 2012 and August 2017. We discussed whether to take the testicular biopsy and testicular biopsy results, including the intraoperative microscopic examination and postoperative pathology findings, could predict the success rate of the late micro-TESE.
RESULTS:
There were 237 patients who were diagnosed as idiopathic NOA and received micro-TESE involved in the study and the total sperm retrieve rate was 25.7%. In 103 patients without testicular biopsy and 134 patients with preoperative testicular biopsy, the sperm retrieve rate was 26.2% and 25.4%, respectively. And there was no significant difference between the two groups. The testicular volume and serum follicle stimulating hormone levels of the two groups were (4.3±1.4) mL vs.(8.5±2.4) mL and (36.1±5.2) IU/L vs.(26.1±3.5) IU/L, respectively. Compared to the patients with preoperative testicular biopsy, the group of patients without testicular biopsy had a much smaller test volume and higher serum follicle stimulating hormone and the difference between the two groups was statistically significant. For the patients who were found with a small amount of sperm in both intraoperative microscopic examination and postoperative pathological examination, the sperm retrieve rate was 100% (7/7). And for the patients who were only found with sperm in intraoperative microscopic examination or postoperative pathology examination, the sperm retrieve rate (SRR) was 47.2% (17/36). For the patients who could be not found with sperm in both intraoperative microscopic examination and postoperative pathological examination, the SRR was only 11% (10/91). The difference between the groups was statistically significant.
CONCLUSION
Idiopathic non-obstructive azoospermia patients with smaller testicular volume still have a chance to be found with sperm by micro-TESE. The testicular biopsy results, including intraoperative microscopic examination and postoperative pathological findings, have predictive effect on the SRR for late micro-TESE. The patient who could not be found with sperm in both intraoperative microscopic examination and postoperative pathological examination have a small chance of success in micro-TESE.
Azoospermia
;
Biopsy
;
Biopsy, Needle/methods*
;
Humans
;
Male
;
Microdissection
;
Retrospective Studies
;
Sperm Retrieval
;
Spermatozoa
;
Testis

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