1.Research progress in T-cell lymphoblastic lymphoma
Journal of International Oncology 2012;(12):942-944
T-lymphoblastic lymphoma (T-LBL) is a rare form of non-Hodgkin lymphoma (NHL),which is biologically similar to T-acute lymphoblastic leukemia(ALL),and occurs most frequently in childhood and adolescence.T-LBL progresses fast.The treatment of LBL with conventional chemotherapy regimens for NHL has shown relatively low rates of complete remission and of disease-free survival.Now,it is reasonable to treat patients with LBL with the current ALL-type protocols,and hematopoietic stem cell transplantation may yield a more favorable overall survival (OS) in T-LBL patients,especial in relapsed or refractory LBL patients.
2.Effect of Salvia miltiorrhiza injection on hyperpolarization-activated current channels in dorsal root ganglion neurons of rats
Acta Pharmaceutica Sinica 2006;41(11):1038-1043
Aim To explore the modulation of Salvia miltiorrhiza on hyperpolarization-activated current (Ih) channels in dorsal root ganglion (DRG) neurons of rats and identify the mechanism of Salvia miltiorrhiza in alleviating pain and inhibiting calcium overload. Methods The effect of Salvia miltiorrhiza injection on Ih channels in DRG neurons of rats were examined by using whole-cell patch clamp technique. Results The experimental results showed that the amplitude of Ih evoked by -150 mV was (-1.06±0.18) nA. The Ih could be fitted well into the single kinetics and the time constant of activation, τ was clearly voltage-dependent with τ=(322.14±28.81) ms at -100 mV, decreasing to τ=(62.51±9.78) ms at -150 mV. The reversal potential of Ih was (-35.03±1.12) mV measured from tail currents. But no significant differences were found between the DRG neurons in the absence and presence of Salvia miltiorrhiza injection (10%, 25%, 50%) in the current amplitude, the time constant of activation and the reversal potential. The only difference between the DRG neurons in the absence and presence of Salvia miltiorrhiza injection was the half-activation potential of Ih. In control recordings the half-activation potential was (-106.07±3.59) mV. By comparison, the half-activation potentials changed to (-111.59±3.79) mV (n=31 neurons, P<0.05), (-119.37±4.96) mV (n=31 neurons, P<0.05) and (-121.23±3.86) mV (n=31 neurons, P<0.05) in the presence of 10%, 25%, 50% Salvia miltiorrhiza injection, respectively. Conclusion Only the half-activation potential of Ih in the arthritic and neuropathic rat models shifted in the depolarizing direction, which increased the electrophysiological activity of Ih and made it related to peripheral hyperalgesia. The selective inhibition of Salvia miltiorrhiza on the electrophysiological activity of Ih may be one of the mechanisms underlying its analgesic effects.
3.Study on the relationship between the assessment of facial muscle function and prognosis of Bell's palsy
Chinese Journal of Tissue Engineering Research 2005;9(5):190-192
BACKGROUND: There has been no definite cause for Bell's palsy. Different kinds of causes and courses always lead to different outcomes. Up to now there has not been to accord on the relationship between assessment of facial muscle function and prognosis of Bell's palsy.OBJECTIVE: To explore the relationship between level diagnosis, blink reflex(BR) , electroneurography(ENoG) and prognosis in order to find the timing for treatment of Bell's palsy.DESIGN: A self-control study.SETTING: Department of otolaryngology, Beihai People's Hospital,Guangxi Zhuang Autonomous Region.PARTICIPANTS: There were 42 cases of Bell's palsy that were in accordance with the diagnosis criteria and hospitalized in the Beihai People's Hospital from January 1989 to December 1999. Thirty-six cases out of the 42 were well documented and thus were studied here.METHODS: Level diagnosis, BR and EnoG test as well as facial muscle assessment were conducted on thirty-six patients with Bell's palsy.RESULTS: Patients with facial function score under 11 and with the lesion at D segment had poor results in BR and ENoG test. The outcome of conservative treatment for these patients was also bad. That would be improved by facial nerve decompression. The results of examination within one month after palsy onset were correlated with prognosis ( P > 0. 05) . Two cases received decompression on the 40th day onset and recovered completely. Two cases Received decompression in the 2nd month, one recovered completely and decompression and recovered partially.CONCLUSION: Patients with the following manifestations may make conplete recovery after conservative treatment: lesion distal to segment D, facial function over 11 marks, presence of R1 wave by BR test in the 1st month and fiber deprivation < 90% by ENoG. Facial nerve decompression should be taken for patients in a condition other than that.
4.Study of combination methods for formula composition of Chinese herbal medicines and their components.
Journal of Integrative Medicine 2009;7(7):601-6
Chinese prescription is composed of Chinese herbal medicines according to "seven compatible relations" and "sovereign, minister, assistant and courier" principles. There are many methods in the research on combination and composition of Chinese herbal medicines. These methods are classified into traditional model and modern model. For the time being, compatibility study of traditional Chinese herbal medicines has developed from traditional model to modern model. The traditional model mainly studies the effects and mechanisms of the whole and split formulae in medical crude drug level, while the modern model mainly studies the effects and mechanisms of Chinese herbal medicine compositions in components combination level. Moreover, quantitative analysis becomes probable by modern model method. Now, setting up of new components combination model and optimal composition methods will not only develop the combination and the composition of Chinese herbal medicines from medicinal crude drug level to components composition level, but also get new formulae which have clear components and effects, and action targets and mechanisms. It will effectively promote the development of Chinese medicine formula.
5.Management of blood pressure in elderly patients with diabetes mellitus
Chinese Journal of Endocrinology and Metabolism 2014;30(11):1024-1026
The elderly patients with diabetes often have a high prevalence of hypertension.Meanwhile,hypertension is a major vascular risk factor in this population.The benefit of proper management of hypertension in elderly patients with diabetes has been well recognized.According to the IDF Global Guideline for Managing Old People with Type 2 Diabetes,lifestyle interventions are recommended to form the first step in managing hypertension in elderly patients with diabetes.Pharmacological therapy should be initiated in addition to lifestyle interventions after 6 weeks during which non-pharmacological therapy has failed to achieve blood pressure targets.ACE-inhibitors are the first choice for initial medication,especially in the presence of diabetic nephropathy.ARBs can be used in people who cannot tolerate ACE-inhibitors.Diuretics or calcium channel blockers can be used as the first add-on therapy to ACE-inhibitors or ARBs if they fail to achieve target blood pressure.β-blockers should be considered for combination therapy in people with tachycardia or coronary artery disease.The generally recommended blood pressure target for older people with diabetes should be less than 140/90 mmHg(1 mmHg=0.133 kPa).
6.Clinical applications of optical fundus imaging technology
Chinese Journal of Ocular Fundus Diseases 2014;30(6):535-539
Optical imaging technology of ocular fundus,including fundus fluorescein angiography (FFA),optical coherence tomography (OCT) and fundus autofluorescence (FAF),is growing at an unprecedented speed and scale and is integrating into the routine clinical management of ocular fundus diseases,such as diagnosis,treatment,and mechanism study.While FFA allow us to observe the retinal and choroidal blood circulation,OCT and FAF are non-invasive,fast and quantifiable measurement; such techniques show even more unique advantages and are favored tools.All these retinal imaging technologies,together with a variety of retinal function assessments,bring us into the era of big data of ocular fundus diseases.All of these developments are the challenges and opportunities for the operator and user of these fundus optics imaging technologies.In order to improve its clinical applications and allocate resources rationally,we need to understand the optical properties of these retinal imaging technologies,and standardize diagnosis behavior.This is a continuous learning process needs to continue to explore.
7.The effects of FTY720 on retinal photoreceptor cells and microglial following light-induced degeneration in rat retina
Chinese Journal of Ocular Fundus Diseases 2015;31(2):169-172
Objective To investigate the effects of FTY720 on retinal photoreceptor cells and microglial following light-induced degeneration in rat retina.Methods 120 Sprague-Dawley rats were randomly divided into four groups including FTY720 group,solvent control group,model group and normal group.The rats of normal group were not intervened.The FTY720 group,solvent control group and model group establish retinal light injury mode.FTY720 was injected into abdominal cavity of the rats in FTY720 group 0.5 hours before light exposure.50% dimethylsulfoxide was injected into abdominal cavity of the rats in solvent control group.The expressions of microglial cells in rat retinal were quantified using flow cytometry,the expressions of interleukin (IL)-1β were examined by enzyme-linked immuno sorbent assay at 6 hours,1 day,3 days,7 days after light exposure.The apoptosis of retinal photoreceptor cells were measured by terminal-deoxynucleoitidyl transferase mediated nick end labeling at 1 day after light exposure.The morphological change of retinal were viewed by haematoxylin and eosin staining at 7 days after light exposure.Results The expressions of microgilal and IL-1β began to rise at 1 day after light exposure,reached at peak at 3 days and decreased at 7 days.The expressions of IL-1βand microglial in FTY720 group were significantly lower than solvent control group and model group,but higher than normal group (P<0.05).One day after exposure to light,the apoptosis cell ratio in normal group,model group,solvent control group and FTY720 group were 0,(87.66 ± 2.50) %,(86.00 ± 2.44) %,(49.66 ± 2.80) %.The apoptosis cell in FTY720 group were higher than normal group,lower than solvent control group and model group (P<0.05).Seven days after exposure to light,the retinal in normal group was structured and the cell was arranged well,the cell in solvent control group and model group was irregular arrangement and the outer nuclear layer (ONL) was thin after light exposure.The thickness of the ONL in FTY720 group was significantly higher than solvent control group and model group,below normal group.Conclusion FTY720 can prevents retinal photoreceptor cells from apoptosis and inhibits activation of microglial.
8.Diagnosis and treatment of Noonan syndrome
Chinese Journal of Applied Clinical Pediatrics 2014;29(20):1531-1533
Noonan syndrome(NS) is a congenital genetic disease characterized by distinctive facial features,short stature,chest deformity,congenital heart disease,and other comorbidities.This article reviewed the research history of NS,the clinical manifestations and their relationship with genotype,the diagnosis and treatment.
9.Experience of Treating Menopausal Syndrome of Professor Lu Su
Journal of Zhejiang Chinese Medical University 2016;40(8):613-615
Objective]The paper summarizes the clinical experience of Professor Lu Su for treating menopausal syndrome.[Methods] By learning from Professor Lu Su, sum up the knowledge of etiology and pathogenesis, treatment characteristics and analyze cases. [Results]Professor Lu Su thought that the main etiological and pathogenesis of menopausal syndrome was that deficiency of the kidney-yin and hyperactivity of heart and liver fire. The kidney water cannot aid heart, the occurrence of heart(including liver) fire too strong, the heart is not calm, leading to hot flashes sweating, upset insomnia and other symptoms of menopausal syndrome. Therefore, she made a total therapeutic principle of invigoration of the kidney and nourishment of Yin, purging heart fire and soothing the nerves. Besides, the article introduces prescribing characteristics of other lesions relating to menopausal syndrome, such as blood stasis, phlegm, yang deficiency and disharmony between spleen and stomach. In treatment, Lu Su is good at syndrome differentiation and treatment, prescribing refinedly and simply, combining medication with psychotherapy. [Conclusion]Therapies of Professor Lu Su on treating menopausal syndrome have significant effect.
10.Studies on the prolactin receptors on the membrane of rat liver cells
Chinese Journal of Pathophysiology 1989;0(05):-
Binding sites or receptors for prolactin were identified in crude membrane fractions prepared from female lactating Sprague-Dawley rat using receptor radioassay. The results further indicated that the membrane of rat liver cells are rich in prolactin receptors, and the Scatchard analysis of the binding of ~(125)I-oPRL to receptors revealed that female rat liver cells contained two classes of prolactin receptors (Kd_1=3.20?10~(-10) M, Kd_2=1.26?10~(-8)M) with high specificity.