1.Report on long-term follow-up of stage IV neuroblastoma.
Jing-yan TANG ; Ci PAN ; Yin LIU
Chinese Journal of Pediatrics 2009;47(3):225-227
Adolescent
;
Child
;
Child, Preschool
;
Female
;
Humans
;
Infant
;
Longitudinal Studies
;
Male
;
Neoplasm Staging
;
Neuroblastoma
;
diagnosis
;
pathology
;
therapy
;
Treatment Outcome
2.Synchronous papillary thyroid carcinoma and medullary thyroid carcinoma – a pitfall waiting to happen
Tang Po Yin ; Khor Li Yan ; Angela Takano
The Malaysian Journal of Pathology 2017;39(2):171-174
Papillary thyroid carcinoma (PTC) is the most common thyroid carcinoma and is derived from
thyroid follicular cells. In contrast, medullary thyroid carcinoma (MTC) is rare and originates
from the parafollicular C-cells. Synchronous occurrence of these two carcinomas is uncommon and
occurs as either discrete lesions or as a mixed lesion. The current case report describes a 50-year-old
woman with synchronous multiple discrete MTC and PTC with lymph nodes metastasis. Pathologists
and treating physicians should be aware of the synchronous coexistence of these entities to avoid
possible misdiagnosis.
3.Gene cloning, expression of a feruloyl esterase A and purification of its hydrolysis products.
Yan ZENG ; Yanyan GONG ; Minchen WU ; Xin YIN ; Cunduo TANG
Chinese Journal of Biotechnology 2014;30(3):425-434
To express feruloyl esterase A from Aspergillus oryzae in Pichia pastoris expression system and study its hydrolysis function, explore the conditions and effects of purification for ferulic acid extracts by macroporos resin. Using the total RNA from A. oryzae CICC 40186 as the template, we amplified coding sequence AorfaeA encoding a mature feruloyl esterase A (AorFaeA) by RT-PCR technique. Then, the coding sequence AorfaeA was successfully expressed in Pichia pastoris GS115 mediated by an expression plasmid pPIC9K. The purified recombinant AorFaeA (reAorFaeA) showed one single band on SDS-PAGE with an apparent molecular weight of 39.0 kDa. The maximum activity of reAorFaeA to methyl ferulate, measured by high-performance liquid chromatography (HPLC), was 58.35 U/mg. Then, reAorFaeA was used to release ferulic acid from de-starched wheat bran in the presence of xylanase. The purification tests for ferulic acid from the enzymatic hydrolysate were carried out with preselected macroporous resins. The results showed that macroporous resin HPD-300 had much higher adsorption and desorption capacities. Ferulic acid could be quantitatively recovered by 50% of the eluent concentration at a flow speed of 1 mL/min. Under the purification condition, the recovery ratio of ferulic acid was 92%, and the content of ferulic acid was increased from 0.13% in the raw material to 10.55%. This work exploits the breakdown of ferulic acid by recombinant enzymeand provids a good strategy to its "green production".
Aspergillus oryzae
;
enzymology
;
Carboxylic Ester Hydrolases
;
biosynthesis
;
genetics
;
Cloning, Molecular
;
Coumaric Acids
;
chemistry
;
Electrophoresis, Polyacrylamide Gel
;
Hydrolysis
;
Molecular Weight
;
Pichia
;
genetics
;
metabolism
4.Psychological Nursing for Anxiety-depression in Inpatients due to Cardiovascular Diseases
Yan ZHANG ; Lian TANG ; Yanyan WANG ; Tong YIN ; Bo LI
Chinese Journal of Rehabilitation Theory and Practice 2010;16(5):425-426
ObjectiveTo explore the effect of the individualized intervention for the anxiety-depression after cardiovascular diseases. Methods80 inpatients with cardiovascular diseases were surveyed with Hospital Anxiety and Depressions Scale (HAD). The patients with anxiety-depression received individualized psychological intervention. Results14 of them suffered anxiety-depression. 13 cases recovered after the intervention. ConclusionThe individualized psychological intervention can improve anxiety-depression in the inpatients with cardiovascular diseases.
5.SAR of benzoyl sulfathiazole derivatives as PTP1B inhibitors.
Wen-Wen YIN ; Zheng CHEN ; Yan-Bo TANG ; Fei YE ; Jin-Ying TIAN ; Zhi-Yan XIAO
Acta Pharmaceutica Sinica 2014;49(5):632-638
Protein tyrosine phosphatase (PTP) 1B is a potential target for the treatment of diabetes and obesity. We have previously identified the benzoyl sulfathiazole derivative II as a non-competitive PTP1B inhibitor with in vivo insulin sensitizing effects. Preliminary SAR study on this compound series has been carried out herein, and thirteen new compounds have been designed and synthesized. Among them, compound 10 exhibited potent inhibition against human recombinant PTP1B with the IC50 value of 3.97 micromol x L(-1), and is comparable to that of compound II.
Humans
;
Protein Tyrosine Phosphatase, Non-Receptor Type 1
;
antagonists & inhibitors
;
Structure-Activity Relationship
;
Sulfathiazoles
;
chemistry
;
pharmacology
6.Inhibitory effect of JIP on AP-1 activity induced by LMP1 in nasopharyngeal carcinoma cells and its mechanism
Zhi HU ; Feijun LUO ; Xiyun DENG ; Liqun YIN ; Yan ZHAO ; Faqing TANG ; Min TANG ; Huanhua GU ; Wei YI ; Ya CAO
Chinese Journal of Pathophysiology 2000;0(10):-
AIM: To investigate the mechanism of the AP-1 signal transduction pathway inhibited by JIP in nasopharyngeal carcinoma cells. METHODS: AP-1 activity was triggered by Dox-induced LMP1 expression in Tet-on-LMP1-HNE 2 cells (L7). The retention of phospho-JNK in the cytoplasm caused by JIP was examined with immunofluroscence assay. RESULTS: 24 h after transfection of L7 cells with the JIP expression plasmid, the translocation of activated JNK was inhibited, which resulted in the retention of phospho-JNK in the cytoplasm and down-regulation of the AP-1 activity. CONCLUSION: JIP down-regulates the activity of AP-1 through the inhibition of the translocation of JNK.
7.Electroacupuncture therapy and corrosion of acupuncture needle.
Yan-Hong SUN ; Tang-Yi LIU ; Hua-Yuan YANG ; Ming GAO ; Yin-E HU ; Gang XU ; Wen-Chao TANG
Chinese Acupuncture & Moxibustion 2014;34(12):1238-1240
During the process of electroacupuncture (EA) therapy, whether there being a corrosive effect in ac- upuncture needles was observed. Acupuncture needles were inserted into a rabbit's acupoint to perform a 12-hour electrical stimulation with three types of common EA waveform; additionally two needles were put in 0.9% sodium chloride solution with 12-hour direct current. Afterwards, environmental scanning electron microscope was applied to detect the surface physical characteristics of acupuncture needles. As a result, after a 12-hour continued electri- cal stimulation with three types of common EA waveform in the rabbit, there was no corrosive effect in acupunc- ture needles; but the direct current could cause severe corrosion in acupuncture needles. It is believed that there is no corrosion effect on acupuncture needles in current EA treatment, and some accidents reported in literature may be related to quality of EA device or improper manipulation during the treatment.
Acupuncture Points
;
Animals
;
Corrosion
;
Electroacupuncture
;
instrumentation
;
Male
;
Needles
;
adverse effects
;
Rabbits
8.Clinical analysis of thyroid and breast multiple primary carcinomas
Detao YIN ; Yifeng TANG ; Yongfei WANG ; Hongqiang LI ; Yan ZHANG ; Jinhua JIANG ; Qingduan WANG
Journal of Endocrine Surgery 2014;(2):109-111
Objective To investigate the relationship between thyroid and breast multiple primary carci-nomas.Methods A total of 24 cases of multiple primary tumors of thyroid and breast admitted from Jan .2011 to Jun.2013 in First Affiliated Hospital of Zhengzhou University were retrospectively analyzed .Results The 24 samples were confirmed as the tumor of thyroid and breast by ultrasonography .The patients underwent operation and adjuvant therapy after fine-needle aspiration biopsy , mammography and other relevant examinations .All the malignancies of thyroid and breast were confirmed by pathology .Among the 24 cases, 19 patients were invasive ductal carcinomas , 2 patients were diagnosed as intraductal carcinomas , 1 patient was confirmed as intraductal papillary carcinoma , 1 case was invasive lobular carcinoma with invasive ductal carcinoma , and 1 case was inva-sive ductal carcinoma with intraductal carcinoma .All the thyroid malignancies were papillary thyroid carcinomas . The results of immunohistochemistry indicated that , among the 24 patients of thyroid and breast multiple primary carcinomas , 11 cases were ER (+) in both thyroid cancers and breast cancers , moreover , 8 cases were ER (-) in both thyroid cancers and breast cancers .The difference between the expression of ER in the tumors of thyroid and breast had no statistical significance (P>0.05).Conclusions Ultrasonography is a simple and effective im-aging method that can discover the multiple primary tumors of thyroid and breast .For patients of thyroid cancer , breast cancer should be excluded routinely .The thyroid should also be examined simultaneously in breast cancer patients.Once the possibility of one gland tumor is discovered , we should pay more attention to the other gland . Particularly, the other gland should be examined carefully for patients with ER (+).
9.A comprehensive assessment of perioperative blood transfusion in liver transplantation
Bo CHEN ; Yin LIU ; Ye LIU ; Yan LIN ; Ye ZHOU ; Xiaofeng TANG
Chinese Journal of Blood Transfusion 2017;30(7):711-713
Objective To evaluate the perioperative blood loss and blood transfusion in liver transplantation patients.Methods Retrospectively selected and classified 119 patients with liver transplantation medical recordsaccording to the clinical diagnosis of age,gender.Analyzed (disease)patients' blood coagulation index 24 h before surgery,intraoperative and postoperative perioperative bleeding,and blood red blood cell suspension,frozen plasma,cold precipitation,coagulation factor injection lossplateletpheresis.Results There were no significant differences in the amount of blood loss and the amount of blood preparations duringthe perioperative period of liver transplantation according to the age and sex of patients (P>0.05);According to the clinical diagnosis of different groups,the diagnostic group (primary liver cancer group,hepatitis B cirrhosis group and severe hepatitis group) patients with a single platelet transfusion dosewas similar (P>0.05)withsuspended red blood cells (U) at 8.4+11.9,16.2+15.7,18.1+13.5,frozen plasma (U) at 8.2+7.1,18.1+15.6 and 18.2+ 17.9 respectively andcold precipitation (U) at 9.5+ 8.2,17.1 + 16.318.5 + 16.4 (P< 0.05);The diagnosis group surgery before and after immediate PT (s) were 15.6+3.8,24.6+4.1,APTT (s) were 44.3+5.8,84.9+9.2,TT (s) were 20.4 +4.5,40.1+6.2,and Fib(s) were 2.6+0.8 and 1.3+0.9 (P<0.05);however,there was no significant difference in the 24 h PT,APTT,TT and Fib between the two groups after diagnosis (P>0.05).Conclusion Ascientific,safe and reasonable selection of perioperative blood preparation for clinical diagnosis for different liver transplantation patients is critical to the success rate and prognosis of liver transplantation;the evaluation of coagulation indexes at each interval can help guiding the blood transfusion during liver transplantation.
10.Expression and its clinical significance of CD9 protein in pancreatic cancer
Yan ZHAO ; Maochun TANG ; Ruiqing SUN ; Guojian YIN ; Feng WANG ; Guoyong HU ; Xingpeng WANG
Chinese Journal of Digestion 2014;34(7):473-476
Objective To examine the expression of CD9 protein in pancreatic cancer tissues and adjacent tissues,and to analyze its relation with the progress and prognosis of pancreatic cancer.Methods From September 2005 to December 2009,surgical resected cancer tissues and adjacent tissues of 90 patients with pancreatic cancer and their clinical data were collected.The expression of CD9 protein in pancreatic cancer tissues and adjacent tissues was detected by immunohistochemistry,and its relationship with clinicopathological features was analyzed.Chi-square test was performed for comparison of ratios between groups.Overall survival (OS) analysis of 90 patients after surgery was performed.Results The high expression rate of CD9 protein (64.4%,58/90) in cancer tissue was significantly higher than that in cancer adjacent tissue (45.6%,41/90),the difference has statistically significant (χ2 =6.847,P<0.05).CD9 protein was highly expressed in most of pancreatic cancer tissue which was well differentiated or without lymph node metastasis (74.6% (50/67) vs 39.1% (9/23),χz =9.554,P<0.01; 50.0%(17/34) vs 73.2%(41/56),χ2 =5.856,P<0.05 respectively).However,the expression of CD9 was not correlated with gender and age (both P>0.05).OS and progression-free survival (PFS) of the patients with CD9 highly expressed were significantly longer than those with low expression of CD9 (median OS:33.0 months vs 7.0 months,χ2 =15.400 P<0.01.Median PFS:30.5 months vs 5.0 months,χ2 =13.750,P<0.01).Conclusion CD9 protein is a kind of protein related with the invasive ability of pancreatic cancer,which may play a role in progression and metastasis of pancreatic cancer and can help to determine the prognosis to a certain extent.