1.Thyroid hormone and tumor angiogenesis
Yangzhi HU ; Yunlong PAN ; Xiaoxu ZHAO ; Li QIN ; Hui DING
Journal of International Oncology 2012;39(8):573-575
Thyroid hormone is an important hormone for regulating cell differentiation,growth and metabolism.Many studies have shown that thyroid hormone can induce turmor angiogenesis after binding with the integrin ανβ3 receptor at cell surface.Tetraiodothyroacetic acid is the analogue of thyroid hormone,and can inhibit tumor angiogenesis by inhibiting the binding of thyroid hormone with integrin ανβ3.Studying the role of thyroid hormone in promoting tumor angiogenesis may provide a new approach for molecular targeted therapy of tumor.
2.The relationship of serum testosterone and its related index with the metabolism syndrome in women at perimenopausalor postmenopausal periods
Dongmei CHEN ; Yangzhi LI ; Yu HONG ; Chunhua LI ; Ying LIU ; Meiqing XIE
Chinese Journal of Obstetrics and Gynecology 2012;47(2):115-120
ObjectiveTo investigate the relationship between testosterone level and related index and metabolic syndrome(MS) of women in perimenopause or postmenopause period.MethodsFrom May 2009 to August 2010,911 women aged 40 - 65 years underwent physical examination in the Memorial Hospital,Sun Yat-sen University were enrolled in this study,which were divided into 175 women with early perimenopause period in group A,112 women late perimenopause period in group B,161 women with early postmenopause period in group C,132 women with moderate postmenopause period in group D,88 women with late postmenopause period in group E,243 women with regular menstruation as control group (group F).MS was defined according to the International Diabetes Federation (IDF) criteria.The relationship of free testosterone level and MS of women in different stage of menopause was analyzed.Results (1) Compared with 1.13 nmol/L in group F,median testosterone level of 1.03 nmol/L in group A,0.91 nmol/L in group B,0.91 nmol/L in group C,0.87 nmol/L in group D,0.83 nmol/L in group E decreased significantly at early peri-menopause period(P <0.01 ).Median free androgen index(FAI) was 1.33 in group A,1.56 in group B,1.69 in group F.When compared median FAI in group A with those in group F or B,it all showed significantly difference ( P < 0.01 ) ; Testosterone ( T)/estradiol ( E2 ) were 0.042 in group C,0.040 in group D,0.042 in group E,0.010 in group A.When compared T/E2 in group C with group F,D and E,it all reached statistical difference (P < 0.01 ).(2)There were negative correlation among waist circumference (WC,r =- 0.287 ),fasting blood glucose ( FBG,r =- 0.281 ),triglyceride ( TG,r =-0.224) and sex hormone-binding globulin (SHBG) and positive correlation with high density lipoprotein cholesterone (HDL-C,r =0.314).The logistic regression analysis for MS showed that the MS was associated with SHBG significantly ( OR =0.993,95% CI:0.986 - 0.999,P =0.035 ).( 3 ) When cut-off value of SHBG was defined at 56.14 nmol/L,SHBG was used to predict MS with sensitivity of 63.13% and specificity of 69.45%.Conclusions Serum testosterone was associated with MS in women at perimenopausal and postmenopausal period,so window period of preventing MS was set at perimenopausal period.A serum testosterone level was elevated from premenopause to postmenopause period.Because there was an association between SHBG and MS,SHBG was a selectable parameter to predict MS.
3.Efficacy of 27 patients with multiple myeloma
Yangzhi ZHAO ; Wei LI ; Jiuwei CUI ; Yanqiu SONG ; Lihua KANG ; Jingnan SUN ; Guanjun WANG
Journal of Leukemia & Lymphoma 2010;19(12):739-741,745
Objective To evaluate the efficacy and safety of bortezomib-based chemotherapy and MPT regimen in the MM patients who were newly diagnosed or relapsed/refractory. Methods Twenty-seven MM patients were treated with bortezomib-based chemotherapy, median cycles:3 (range 1-5 cycles). Other 30patients received MPT chemotherapy. EBMT and WHO criteria were used to evaluate the therapeutic effects and the adverse effects, respectively. Results Bortezomib group: 21 patients (77.8 %) showed effects after the first cycle chemotherapy and 24 patients (88.8 %) showed effects after the whole therapy. In wich, 15 patients(94.0 %) and 9 patients (82.0 %) were newly diagnosed and relapsed/refractory, respectively. MPT group: 15patients (50.0 %) showed effects after the whole therapy. In wich, 12 patients (44.0 %) were newly diagnosed.And the other 3 were relapsed/refractory patients. The ORR in Bortezomib group was better than MPT group (P <0.05). The incidence of peripheral neuropathy, herpes and Ⅲ - Ⅳ grade thrombocytopenia in the bortezomib group was 10 patients (37.0 %), 7patients (26.0 %), 10 patients (37.0 %) respectively,and they were more common than MPT group, but the incidence of Ⅲ-Ⅳgrade anemia was 21 patients (70.0 %) and more comumom in the MPT group. The theraputic efficacy of bortezomib for renal insufficiency and normal renal function patients was similar, and no significant increase in all kinds of adverse effects. In MPT group,there were 4 patients with renal insufficiency, the serum level of creatinine in the 3 patients returned to normal after 5 cycles therapy. Conclusion Bortezomib-based chemotherapy is more effective than MPT regimen in the treatment of MM. The newly diagnosed, relapsed/ refractory and with renal insufficiency patients all can benefit from it. The adverse effects are mild and with better tolerance.
4.Effects of intensive therapy program on gross motor function of children with spastic cerebral palsy
Bei-hua ZHANG ; Wei-dong SONG ; Shan-zhong YAN ; Zhen XIAO ; Li FENG ; Jia-kun FAN ; Zhong-ming GAO ; Wen-xin NIU
Journal of Medical Biomechanics 2017;32(6):E529-E534
Objective To explore the effects of intensive therapy program on gross motor function of children with spastic cerebral palsy. Methods Thirty 3-15 year old children with spastic cerebral palsy and level I-III in gross motor function classification system (GMFCS) were randomly divide into 2 groups. The trial group adopted intensive therapy program for treatment, including functional dynamic suit and universal exercise unit combined with functional movement training. The control group adopted core stability training for treatment. Children in two groups took a 1-month training program for 3 hours per day and 5 days per week. The pediatric evaluation of gross motor function measure (GMFM-66) and peabody developmental motor scale (PDMS-2) were administered before and after treatment. Results The scores of GMFM-66 as well as the stationary and locomotion scores of PDMS-2 in both groups showed significant differences within group (P<0.01) after treatment. For the scores of GMFM and PDMS-2 between two groups, no significant differences were found. Conclusions The intensive therapy program can improve the gross motor function of children with spastic cerebral palsy and gain the same effects as core stability training, which can provide a novel and effective intervention for children with cerebral palsy.
5.Advances in low-intensity transcranial ultrasound stimulation for the rehabilitation of Parkinson disease
Journal of Apoplexy and Nervous Diseases 2023;40(8):685-687
Low-intensity transcranial ultrasound stimulation(LITUS),a high-resolution and safe neuromodulation technique,holds great promise as a treatment option for alleviating both motor and non-motor symptoms in Parkinson disease. This article presents a comprehensive overview of the application of LITUS in the rehabilitation of Parkinson disease from the aspects of the parameters,classification,efficacy,and mechanism of LITUS.
6.The quantity analysis of reverse transcriptase in porcine endogenous retrovirus expressed in Banna minipig inbred.
Shengfu LI ; Ping YU ; Li ZHANG ; Hong BU ; Youping LI ; Yangzhi ZENG
Journal of Biomedical Engineering 2003;20(4):594-596
Quantitative RT(reverse transcriptase) assay was established to detect the reverse transcriptase in plasma of thirty-four Chinese Banna minipig inbred in this work. The protocol was given in the RT kit (Roche), using HIV-1 as the positive control of the kit and supernatant of PK-15 as the PERV positive control respectively. The results show that positive reverse transcriptase reaction can be detected in the plasma of the pigs, but the levels are much lower than that of HIV-1 and lower than that of PERV in supernatant of PK-15.
Animals
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Animals, Inbred Strains
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Endogenous Retroviruses
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enzymology
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RNA-Directed DNA Polymerase
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blood
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Swine
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blood
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virology
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Swine, Miniature
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blood
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virology
7.Refractory primary central nervous system lymphoma treated with programmed death-1 monoclonal antibody and Bruton tyrosine kinase inhibitor combined with rituximab: report of 1 case and review of literature
Jia LI ; Yangzhi ZHAO ; Wei GUO ; Hongguang ZHAO ; Le DOU ; Junna LI ; Ou BAI
Journal of Leukemia & Lymphoma 2022;31(12):734-737
Objective:To investigate the effect and safety of rituximab, programmed death 1 (PD-1) monoclonal antibody, and Bruton tyrosine kinase (BTK) inhibitor on elderly refractory primary central nervous system lymphoma (PCNSL).Methods:The clinical data of an elderly patient with refractory PCNSL treated with the combination of rituximab, PD-1 monoclonal antibody and BTK inhibitor in the First Hospital of Jilin University in February 2020 were retrospectively analyzed. The relevant literature was reviewed.Results:The patient had primary central nervous system diffuse large B-cell lymphoma (high-risk group), and the Memorial Sloan Kettering Cancer Center (MSKCC) score was 2 (estimated overall survival time was 7 months). Disease progressed after 1 course of treatment. Complete remission was achieved after the therapy of rituximab, PD-1 monoclonal antibody combined with BTK inhibitor. PD-1 monoclonal antibody maintenance therapy was performed and patient was followed up until November 17, 2021. The patient's condition was stable. The second progression-free survival (PFS) time was 20 months, and the overall survival time was 21 months. The patient well tolerated the new drug treatment, and no adverse reactions of grade 3 or above occurred.Conclusions:The new targeted combination therapy can be used as a treatment option for elderly PCNSL patients, which can further improve the curative effect and significantly improve the prognosis.
8.CT-guided interstitial brachytherapy for locally advanced cervical cancer:introduction of the technique and report of dosimetry
Zhongshan LIU ; Yangzhi ZHAO ; Jie GUO ; Xia LIN ; Shuangchen LU ; Hongyong WANG ; Ling QIU ; Yunfeng LI ; Xiaojun REN ; Bingya ZHONG ; Tiejun WANG
Chinese Journal of Radiation Oncology 2017;26(5):550-554
Objective To examine the dosimetric advantages of three-dimensional (3D) computed tomography (CT)-guided interstitial brachytherapy (BT) for target volume and surrounding normal tissue in patients with locally advanced cervical cancer,and to provide a simple and effective clinical treatment approach.Methods A total of 52 patients who had poor tumor response to external beam radiotherapy (EBRT) with a residual tumor greater than 5 cm at the time of BT were included.The patients were treated by 3D CT-guided interstitial BT using a hybrid applicator comprised of uterine tandem and free metal needles.The high-risk clinical target volume (HR-CTV),intermediate-risk clinical target volume (IR-CTV),and organs at risk (OAR) were contoured.The total dose,including external beam radiotherapy and high dose-rate BT,was biologically normalized to conventional 2 Gy fractions (EQD2).D90and D100for both HR-CTV and IR-CTV,and D2 ccfor the bladder,rectum,and sigmoid were analyzed.Results The mean D90value for HR-CTV was 88.4±3.5 Gy.The D2 ccfor the bladder,rectum,and sigmoid were 81.1±5.6,65.7±5.1,and 63.1±5.4 Gy,respectively.D2 cc≤90 Gy for the bladder and D2 cc≤70 Gy for the sigmoid were observed in all the patients.D2 cc≤70 Gy for the rectum was observed in 89% of patients.Conclusions 3DCT-guided interstitial BT has a significant dosimetric advantage for target volume accompanied by few minor complications,and thereby may be clinically feasible for treating locally advanced cervical cancer.However,its long-term efficacy and possible toxicities will require further clinical observation.
9.Immune re-constitution after allogeneic hematopoietic stem cell transplantation in patients with hematological malignancies
Xiaoliang LIU ; Sujun GAO ; Yangzhi ZHAO ; Wei HAN ; Yue RONG ; Yehui TAN ; Yu LIU ; Fei SONG ; Ping YU ; Naifei CHEN ; Mengmeng LIU ; Jingnan SUN ; Wei LI
Chinese Journal of Organ Transplantation 2017;38(2):70-77
Objective To study the immune re-constitution after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in patients with hematological malignancies.Methods From June 2011 to May 2015,65 patients with hematological malignancies were analyzed retrospectively.Lymphocyte subsets were determined by flow cytometry (FCM),including total T lymphocytes (CD3+),helper T cells (CD3+ CD4+),cytotoxic T cells (CD3+ CD8+),CD4/CD8 ratio,nature killer (NK) cells (CD3-CD56+),NKT cells (CD3+ CD56+),B lymphocytes (CD19+),naive T cells (CD3+ HLA-DR+),static T cells (CD3+ HLA-DR-),and regulatory T cells (CD4+ CD25high Foxp3+) on the day 14,28 and 42,and on the month 2,3,6,9,12,15,18 and 24 after allo-HSCT.Results The percentage of CD3+ T cells located normal range after hematological recovery,and its absolute number recovered to normal range at + 15 months.The percentage of CD3+ CD4+ T cells recovered to normal range at + 24 months.However,the absolute number of CD3+ CD4+ T cells did not recover to normal range until 24 months after allo-HSCT.The percentage of CD3+ CD8+ T cells was higher than normal range at + 42 day,and its absolute number was greater than normal range at + 3 months.Hence,low CD4/CD8 ratio was observed for a long period.The re-constitution time points of the percentage and absolute number of CD3+ HLA-DR+ T cells were + 3 months and + 24 months respectively.The re-constitution time points of the percentage and absolute number of CD3 + HLA-DR-T cells were + 2 months and + 15 months respectively.The re-constitution time points of the percentage and absolute number of regulatory T cells were + 12 months and + 15 months respectively.The percentage of NKT cells located in normal range after hematological recovery,and its absolute number retumed to normal range at + 12 months.The re-constitution time points of the percentage and absolute number of B cells were + 9 months and + 18 months respectively.The percentage of NK cells located in normal range after hematological recovery,and its absolute number returned nearly to normal range at + 3 months.Conditioning regimen containing ATG,source of stem cells,CD34+ cell number,GVHD,and CMV reactivation were all associated with immune re-constitution after allo-HSCT.Conclusion Different immune cells showed different re-constitution models after allo-HSCT,and the percentage recovered faster than absolute number for a certain kind of immune cells.Studying immune re-constitution and its associated factors may offer beneficial information for insight into transplantation immunology and improve the management of allo-HSCT.
10.Prognoses and complications of patients with hematological malignancies after haploidentical or siblingidentical donor stem cell transplantations
Long SU ; Xiaoliang LIU ; Yehui TAN ; Yangzhi ZHAO ; Yu LIU ; Qiuju LIU ; Ping YU ; Naifei CHEN ; Wei HAN ; Mengmeng LIU ; Jingnan SUN ; Sujun GAO ; Wei LI
Chinese Journal of Organ Transplantation 2016;37(11):672-676
Objective To explore the long-term outcomes and complications of patients with hematological malignancies (HM) after haploidentical donor transplantation (HDT) or siblingidentical donor transplantation (SDT).Methods From June,2011 to July,2016,89 patients with HM receiving allo-HSCT were retrospectively analyzed,including 57 patients undergoing HDT and 32 cases undergoing SDT.Results The median time to achieve neutrophil engraftment was 2 days shorter after HDT than SDT,whereas that of platelet engraftment was 3 days longer after HDT than SDT.The cumulative incidence for 3 to 4 grade acute graft-versus-host disease (GVHD) was not obviously different between HDT and SDT (8.77% versus 12.5% respectively;x2 =0.313,P =0.576).The cumulative incidence for chronic GVHD was not significantly different between HDT and SDT (45.6% versus 37.5%;~ =0.551,P =0.458).Cytomegalovirus (CMV) reactivity was significantly higher in patients after HDT (77.19%) than those after SDT (21.88%) (x2 =25.633,P<0.001).The occurrence of hemorrhagic cystitis was also obviously higher in patients after HDT (26.32%)than those after SDT (3.85%) (x2 =5.340,P =0.021).The 1-,2-,and 3-year relapse-free survival rate of patients receiving HDT and SDT was 63.9%,55.4%,44.3% and 71.2%,58.3%,51.8%,respectively (P =0.541).The 1-,2-,and 3-year overall survival rate of patients receiving HDT and SDT was 75.3%,65.3%,52.3% and 76.9%,62.9%,62.9%,respectively (P =0.777).Conclusion Considering similar incidence of severe GVHD and long-term outcomes,haploidentical donors should be recommended as a potential alternative donor source when an identical donor is lacking for patients with HM.