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Recombinant human interferon α2b(rhIFNα2b)is widely used as an antiviral therapy agent for the treatment of hepatitis B and hepatitis C.The current identification test for rhIFNα2b is complex.In this study,an anti-rhIFNα2b nanobody was discovered and used for the development of a rapid lateral flow strip for the identification of rhIFNα2b.RhIFNα2b was used to immunize an alpaca,which established a phage nanobody library.After five steps of enrichment,the nanobody I22,which specifically bound rhIFNα2b,was isolated and inserted into the prokaryotic expression vector pET28a.After subsequent purification,the physicochemical properties of the nanobody were determined.A semiquantitative detection and rapid identification assay of rhIFNα2b was developed using this novel nanobody.To develop a rapid test,the nanobody I22 was coupled with a colloidal gold to produce lateral-flow test strips.The developed rhIFNα2b detection assay had a limit of detection of 1 μg/mL.The isolation of I22 and successful construction of a lateral-flow immunochromatographic test strip demonstrated the feasibility of performing ligand-binding assays on a lateral-flow test strip using recombinant protein products.The principle of this novel assay is generally applicable for the rapid testing of other com-mercial products,with a great potential for routine use in detecting counterfeit recombinant protein products.
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Chinese medicines of Doukou includes Amomi Fructus Rotundus， Alpiniae Katsumadai Semen， Galangae Fructus and Myristicae Semen. They have a long medicinal history and are also commonly used in cooking and seasoning. Due to the similar names and limited to the traffic conditions in ancient times， the records of Doukou in ancient literature are often confused with many plants in the same family， and there are still many kinds of confused products. In order to promote the development of famous classical formulas containing the medicinal materials， the ancient literature of Doukou in the past dynasties was comprehensively combed from the aspects of name， origin， genuine area， medicinal parts， harvesting and processing and processing methods. It has been found that the basic original plants of Amomi Fructus Rotundus are Amomum kravanh and A. compactum， the original plant of Alpiniae Katsumadai Semen is Alpinia katsumadai and it often confused with Tsaoko Fructus. The main source of Galangae Fructus recorded in the ancient materia medica is the fruit of A. officinarum， while the 2020 edition of Chinese Pharmacopoeia stipulates that the original plant is A. galanga. Myristica fragrans is the original plant of Myristicae Semen. It was found that except M. fragrans， the other three kinds of medicinal origin of Doukou had changed， there are many other plants confused with each other. The four kinds of Doukou are produced in Southeast China and Southeast Asia， and most of Amomi Fructus Rotundus and Myristicae Semen are imported. The Chinese medicines of Doukou have clear medicinal parts and simple processing methods， the main methods in the past dynasties are cleaning， stir frying and simmering， and the processed products are selected according to the needs of different diseases. It is suggested to use the dry mature seeds of A. katsumadai in Houpo Wenzhongtang， which is from Guangxi， Guangdong， Hainan， Fujian and Yunnan and so on， among which Wanning in Hainan province is genuine producing area. The fruits should be harvested in summer and autumn， and dried to 90% dry in the sun， or slightly scalded with water and dried to half dry in the sun， and removed the peel， taken out the seed group， dried in the sun and then be used as medicine.
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Extracellular vesicle-like nanoparticles (EVNs) isolated from edible plants have been shown to have multiple activities, while EVNs from medicinal plants have rarely been reported. In this paper, medicinal parts of medicinal and edible homologous fresh Curcumae Longae Rhizoma (CLR), Lilii Bulbus (LB), Polygonati Rhizoma (PR), and Gastrodiae Rhizoma (GR) are used to squeeze juice to collect EVNs. The physical and chemical properties, antioxidant capacity, and cellular uptake behavior of EVNs are determined. The results show that the particle size of EVNs from different sources ranges from 150 nm to 200 nm, and the polydispersity index (PDI) values of four EVNs are less than 0.2. Different EVNs all contain lipids, proteins, and carbohydrates, but their contents are different. The stability of EVNs is different at 4 ℃ and -80 ℃, among which the CLR-derived EVNs are most stable. Antioxidant experiments confirm that the four EVNs have different antioxidant activities while structural damage of EVNs leads to the reduced antioxidant capacity. Cellular uptake studies prove that four EVNs differ in the uptake capacity by RAW264.7 cells, which is associated with the structural interference of EVNs. The available evidence implies that the specific structure of EVNs may be necessary to their pharmacological activity and transport property.
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Aurantii Fructus is a commonly used qi-regulating medicinal herb in China. Both traditional Chinese medicine theory and modern experimental research demonstrate that Aurantii Fructus has dryness effect, the material basis of which remains unclear. In recent years, spectrum-effect relationship has been widely employed in the study of active ingredients in Chinese medicinal herbs, the research ideas and methods of which have been constantly improved. Based on the idea of spectrum-effect study, the ultra-high perfor-mance liquid chromatography-quadrupole-time of flight mass spectrometry(UHPLC-Q-TOF-MS) fingerprints of different fractions of Aurantii Fructus extract were established for the identification of total components. Then, the dryness effects of the fractions on normal mice and gastrointestinal motility disorder(GMD) rats were systematically compared. Finally, principal component analysis(PCA), Pearson bivariate correlation analysis and orthogonal partial least squares analysis(OPLS) were integrated to identify the dryness components of Aurantii Fructusextract. The results showed that narirutin, naringin, naringenin, poncirin, oxypeucedanin, and eriodictyol-7-O-glucoside had significant correlations with and contributed to the expression of AQP2 in kidney, AQP3 in colon, and AQP5 in submandibular gland, which were the main dryness components in Aurantii Fructus.
Subject(s)
Animals , Mice , Rats , Aquaporin 2 , Chromatography, High Pressure Liquid , Citrus , Drugs, Chinese Herbal , Gastrointestinal Motility , Medicine, Chinese TraditionalABSTRACT
Objective:To explore the possible mechanism of electroacupuncture to improve detrusor hyperreflex after suprasacral spinal cord injury. Methods:A total of 60 female Sprague-Dawley rats were included. According to the random number table, twelve were selected as the blank group, twelve as the sham operation group, and the remaining 36 were made neurogenic bladder models using modified T10 spinal cord transection. After that, twelve of them were randomly selected as the model group and twelve were as the electroacupuncture group from the model rats that met the requirements. On the 19th day after modelling, Ciliao (BL32), Zhongji (RN3) and Sanyinjiao (SP6) were taken for electroacupuncture. After seven days of continuous treatment, urodynamic testing was performed, content of cyclic adenosine monophosphate (cAMP) and protein kinase A (PKA) in detrusor was determined by ELISA, and the level of phosphorylation of myosin light chain kinase (p-MLCK) of detrusor was determined by Western blotting. Results:Compared with the blank group and the sham operation group, the maximum bladder capacity and bladder compliance significantly reduced (P < 0.01), and the base pressure and leakage point pressure of bladder significantly increased (P < 0.01); the content of cAMP and PKA in detrusor reduced (P < 0.01), p-MLCK in detrusor reduced (P < 0.05) in the model group. Compared with the model group, the maximum bladder capacity and bladder compliance increased (P < 0.01), the base pressure of the bladder and the pressure at the leak point decreased (P < 0.05); the contents of cAMP and PKA protein in detrusor increased (P < 0.05), the p-MLCK in detrusor increased (P < 0.05) in the electroacupuncture group. Conclusion:Electroacupuncture at Ciliao, Zhongji and Sanyinjiao points could improve the bladder function of rats with detrusor hyperreflex after complete spinal cord injury, and its mechanism may be related to up-regulating the expression of cAMP and PKA, phosphorylating and inactivating p-MLCK, which promote relaxation of detrusor.
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Objective@#Moxifloxacin (MFX) shows good activity against and can be a possible antibiotic therapy to treat infection; however, other studies have shown a lower or no activity. We aimed to evaluate MFX activity against using zebrafish (ZF) model .@*Methods@#A formulation of labeled with CM-Dil was micro-injected into ZF. Survival curves were determined by recording dead ZF every day. ZF were lysed, and colony-forming units (CFUs) were enumerated. Bacteria dissemination and fluorescence intensity in ZF were analyzed. Inhibition rates of MFX and azithromycin (AZM, positive control) were determined and compared.@*Results@#Significantly increased survival rate was observed with different AZM concentrations. However, increasing MFX concentration did not result in a significant decrease in ZF survival curve. No significant differences in bacterial burdens by CFU loads were observed between AZM and MFX groups at various concentrations. Bacterial fluorescence intensity in ZF was significantly correlated with AZM concentration. However, with increasing MFX concentration, fluorescence intensity decreased slightly when observed under fluorescence microscope. Transferring rates at various concentrations were comparable between the MFX and AZM groups, with no significant difference.@*Conclusion@#MFX showed limited efficacy against using ZF model. Its activity needs to be confirmed.
Subject(s)
Animals , Anti-Bacterial Agents , Pharmacology , Disease Models, Animal , Moxifloxacin , Pharmacology , Mycobacterium Infections, Nontuberculous , Drug Therapy , Mycobacterium abscessus , ZebrafishABSTRACT
Objective::To observe the efficacy of modified Qiju Dihuang pills in protecting renal function of patients with early renal impairment with syndrome of Yin deficiency and Yang hyperactivity caused by hypertension and its effect in resisting inflammation and oxidative stress, and improving endothelial function. Method::Randomly divided into control group (59 cases) and observation group (60 cases) by random number table. Patients in control got valsartan capsules, 80 mg/time, 1 time/day. And patients whose blood pressure can't be controlled were added with nifedipine tablets, 10 mg/time, 1 time/day. In addition to the therapy of control group, patients in observation group were added with modified Qiju Dihuang pills, 1 dose/day. The control group took Qiju Dihuang pills.The courses of treatment were 16 weeks. And levels of cystatin C (CysC), urinary N-acetyl-β-glucosaminidase (NAG), β2 microglobulin (β2-MG), urinary microalbumin to creatinine ratio (UACR) and emodynamics of kidney were detected. Blood pressure, systolic pressure (SBP), diastolic pressure (DBP) and blood pressure renal artery resistance index (RI) and pulsatility index (PI) were recorded, and Yin deficiency and Yang hyperactivity were scored. Levels of nitric oxide (NO), endothelin-1 (ET-1), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), adiponectin (ADPN) and nuclear factor-kappa B (NF-κB) were detected. Result::The total effective rate in observation group was 91.67%(55/60), which was higher than 76.27%(45/59) in control group (χ2=5.255, P<0.05). Levels of SBP and DBP were lower than those in control group (P<0.05). At the 16th week during the treatment, the compliance rate of blood pressure was 90.66%, which was higher than 84.13% in control group (χ2=127.65, P<0.01). And levels of CysC, β2-MG, NAG, UACR, RI, PI, ET-1, SOD, GSH-Px, IL-6, NF-κB and TNF-α were lower than those in control group (P<0.01), while levels of NO, SOD and GSH-Px were higher than those in control group (P<0.01). Conclusion::In addition to the therapy for controlling blood pressure with routine western medicine, modified Qiju Dihuang pills can reduce level of the blood pressure, and control blood pressure with the standard, with anti-inflammatory and anti-oxidative stress effects. It can also improve the vasomotor function and the flow of kidney, protect the kidney function, and reduce the degree of injury, so as to delay the process of kidney damage and improve the prognosis.
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p-coumaric acid is mainly found in fruits, vegetables, grains, and fungi, and is also abundant in Chinese herbal medicines. The pharmacological effects of p-coumaric acid has anti-oxidant, anti-inflammatory, immunomodulatory, antitumor effects, antiplatelet aggregation, cardiovascular protection, prevention and improvement of diabetes, and neuroprotection, while the anti-oxidant activities of p-coumaric acid is the important basis of other pharmacological effects. In addition, p-coumaric acid has a certain inhibitory effect on bacteria, and also can inhibit melanin formation and delay skin aging. This paper reviews the main pharmacological effects of p-coumaric acid and provides reference for the development of both medicinal and food resources.
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Objective:To explore the therapeutic effect and mechanism of myricetin on disseminated intravascular coagulation (DIC).Methods:The DIC model was established by injection of 60 mg/kg LPS in KM mice, and the treatment groups were injected myricetin with different concentrations (25 or 50 mg/kg) 30 min before the model was established. Both coagulation indicators and organ function were tested, including PT, APTT, fibrinogen, AST, ALT, BUN and tissue section. In vitro, the inflammatory model of RAW 264.7 macrophage cells were established by 10 μg/mL LPS. The treatment group was treated with 50 μmol/mL myricetin for 30 min before LPS, and the expression of TNF-α and p-NF-κB was detected, further to explore the therapeutic mechanism.Results:LPS-induced DIC led to a reduction of fibrinogen and a rise of PT, APTT, AST, ALT, BUN levels, but the treatment of myricetin significantly inhibited these abnormalities. Histopathology analysis also revealed that myricetin remarkably protected the liver and renal damage. In vitro, the expression of TNF-α and p-NF-κB induced by LPS was repressed by myricetin.Conclusions:This study provides new insights into the protective effects of myricetin in LPS-induced DIC by anticoagulant and anti-inflammatory via suppressing the activation of p-NF-κB which decreased TNF-α level.
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Objective:To investigate the role of ClC-3 chloride channel in the proliferation of breast cancer cell line Mcf-7 treated with curcumin and its specific mechanism.Methods:MTT assay was used to detect the effect of chloride channel blocker (DIDS) and curcumin on Mcf-7 and human normal cell viability. Patch-clamp technique was used to determine the current density before and after drug treatment. Apoptosis assay by flow cytometry was performed for further examination of cell apoptosis.Results:Curcumin had toxicity on Mcf-7 and HUVEC cells and DIDS reduced the survival rate of Mcf-7 cells by inhibiting proliferation. Curcumin could activate the chloride ion current on MCF-7 cell membrane, which would be inhibited by DIDS. Finally, curcumin in low concentration combined with DIDS could significantly promote the MCF-7 cells apoptosis.Conclusions:Our results suggest that ClC-3 protein is involved in the regulation of curcumin induced proliferation inhibiting in breast cancer cells through inducing cell apoptosis. ClC-3 may be a potential target of tumor therapy.
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BACKGROUND: Previous studies have found that polygonatum sibiricum polysaccharide (PSP) exhibits anti-osteoporosis effect, but its therapeutic effect in ovariectomized osteoporotic rats and the molecular mechanisms are poorly understood. OBJECTIVE: To investigate the effect of administration of PSP on the bone microstructure, bone mineral density as well as osteoblast- and osteoclast-related gene expression in rats. METHODS: Twenty-five infertile female Sprague-Dawley rats aged 3 months were randomly allotted into five groups (n=5 per group): sham operation (same volume normal saline), model, zoledronate (0.2 mg/kg?d), high-dose PSP (800 mg/kg?d) and medium-dose PSP (400 mg/kg?d) groups. All rats were subjected to ovariectomy except sham operation group. The administration was intragastrically given every 2 days beginning at 7 days after modeling and lasted 12 weeks. Then, the rats were sacrificed, and the uterus was weighed. The bilateral tibias were removed, one side for histomorphometric analysis by micro-CT, and the other one for RNA detection by qualified PCR. RESULTS AND CONCLUSION: Compared with the sham operation group, the rat body mass in the model group was significantly increased and the weight of uterus was significantly decreased (P < 0.05). Compared with the model group, zoledronate and high-dose PSP could significantly alleviate the excessive increase in body mass (P < 0.05). The bone mineral density in the model group was decreased by 63% compared with the sham operation group (P < 0.01), Compared with the model group, after 12-week high-dose PSP and zoledronate administration, the bone mineral density was increased by 44% and 38%, respectively (P < 0.01); the trabecular bone volume fraction and trabecular number rose significantly(P<0.05),while the trabecular separation decreased significantly(P<0.05).In vivo,PSP could significantly promote the expression levels of osteoblast-related genes (alkaline phosphatase, RUNX2, Col1a1 and osteocalcin), and significantly inhibit the expression levels of osteoblast-related genes (ACP5 and CTSK) (P < 0.05). These results imply that high-dose PSP can reduce bone loss and decrease of bone mineral density, improve the destruction of bone microstructure, as well as promote osteoblast-related genes but inhibit osteoclast-related gene mRNA expression in the ovariectomized rats.
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@#AIM: To study the correlation of β-amyloid(Aβ)plaques in retinas from Alzheimer's model mice in different months and progression of disease. <p>METHODS: Six-month(<i>n</i>=6)and twelve-month(<i>n</i>=6)old Alzheimer's model mice, together with six-month(<i>n</i>=6)and twelve-month(<i>n</i>=6)old C57 mice were in this experiment. Morris water maze test was to assess the spatial memory. After intragastrical administration of curcumin for consecutive three days, the Aβ plaques in retinas(<i>n</i>=48)from all mice(<i>n</i>=24)were detected by noninvasive <i>in vivo</i> optical imaging. <p>RESULTS: Morris water maze test: compared with the six-month control group(C6), six-month model mice(AD6)swam longer(<i>P</i><0.05); and AD6 swam longer distance and experienced more crossing times than C6(<i>P</i>>0.05); compared with the twelve-month control group(C12), twelve-month model mice(AD12)swam longer, swam longer distance(<i>P</i><0.05)and experienced more crossing times(<i>P</i>>0.05); compared with the six-month model mice(AD6), twelve-month model mice(AD12)swam longer, swam longer distance and experienced more crossing times(<i>P</i><0.05). Moreover, the result of retinal Aβ plaques: We identified retinal Aβ plaques in postmortem from AD6 and AD12. Two six-month model mice had been detected retinal Aβ plaques, thus the positive rate of retinal Aβ plaques in six-month model mice was 33%; And six twelve-month model mice had been detected retinal Aβ plaques, thus the positive rate of retinal Aβ plaques in twelve-month model mice was 100%; Plaques were undetectable in age-matched non-AD individuals neither in six-month or in twelve-month; the positive rate of retinal Aβ plaques in AD12 was higher than AD6(<i>P</i><0.05). <p>CONCLUSION: Six-month model mice(AD6)had already a decline of cognition; and the illness gradually increased with the extension of the disease, and the positive rate of retinal Aβ plaques is increasing with progression of Alzheimer's disease.
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Objective: To explore the therapeutic effect and mechanism of myricetin on disseminated intravascular coagulation (DIC). Methods: The DIC model was established by injection of 60 mg/kg LPS in KM mice, and the treatment groups were injected myricetin with different concentrations (25 or 50 mg/kg) 30 min before the model was established. Both coagulation indicators and organ function were tested, including PT, APTT, fibrinogen, AST, ALT, BUN and tissue section. In vitro, the inflammatory model of RAW 264.7 macrophage cells were established by 10 μg/mL LPS. The treatment group was treated with 50 μmol/mL myricetin for 30 min before LPS, and the expression of TNF-α and p-NF-κB was detected, further to explore the therapeutic mechanism. Results: LPS-induced DIC led to a reduction of fibrinogen and a rise of PT, APTT, AST, ALT, BUN levels, but the treatment of myricetin significantly inhibited these abnormalities. Histopathology analysis also revealed that myricetin remarkably protected the liver and renal damage. In vitro, the expression of TNF-α and p-NF-κB induced by LPS was repressed by myricetin. Conclusions: This study provides new insights into the protective effects of myricetin in LPS-induced DIC by anticoagulant and anti-inflammatory via suppressing the activation of p-NF-κB which decreased TNF-α level.
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Objective: To investigate the role of ClC-3 chloride channel in the proliferation of breast cancer cell line Mcf-7 treated with curcumin and its specific mechanism. Methods: MTT assay was used to detect the effect of chloride channel blocker (DIDS) and curcumin on Mcf-7 and human normal cell viability. Patch-clamp technique was used to determine the current density before and after drug treatment. Apoptosis assay by flow cytometry was performed for further examination of cell apoptosis. Results: Curcumin had toxicity on Mcf-7 and HUVEC cells and DIDS reduced the survival rate of Mcf-7 cells by inhibiting proliferation. Curcumin could activate the chloride ion current on MCF-7 cell membrane, which would be inhibited by DIDS. Finally, curcumin in low concentration combined with DIDS could significantly promote the MCF-7 cells apoptosis. Conclusions: Our results suggest that ClC-3 protein is involved in the regulation of curcumin induced proliferation inhibiting in breast cancer cells through inducing cell apoptosis. ClC-3 may be a potential target of tumor therapy.
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Objective To explore the cooperative mechanism of hospital research management and ethics review.Methods Through the analysis of current ethical conditions,as well as the relationship between hospital research management and ethical review,study on how to integrate them during the management of scientific research project.Results Research management and ethical review have different emphasis from different perspectives,however,both of them serve for research projects which makes inseparable connections.Conclusions Hospital research management and ethical review can be synergistic,according to which the management of scientific research projects will be more reasonable and scientific.
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Alzheimer's disease( AD) , a neurodegenerative disease, can result in memory loss, cognitive and behavioral deficits. The pathological hallmarkes are β amyloid plaques and neurofibrillary tangles which lead loss of neurons in brain. As the extension of the central nervous system, retina has a similar tissue anatomy with central nervous system. The β amyloid plaques have also been detected in retina of AD. Furthermore, according to eye examinations of AD patients, we have found the loss of retinal ganglion cells, the attenuation of retinal nerve fiber layer thickness, the smaller changes of macula lutea, the decline of vascular density and so on. And then, there occurs the visual field loss and the decline of contrast sensitivity and so on in AD patients. Thus, the retina has occurred nerve degenerative changes in AD. Meanwhile, there has been proved that the retina nerve degeneration is even earlier than senile plaques formation in brain. In addition, curcumin, a natural and safe fluorescent dye, can be used to label β amyloid plaques in retina. The above suggests that retina can be a window for the early diagnosis of AD.
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Objective To investigate the difference between mammary gland tissues and breast cancer tissues.Methods Monoclonal antibodies against Mam-A immunized epitopes were screened for immunohistochemical staining of normal breast tissues and breast cancer tissues.The average optical density was used as an index to identify the quantitative data by computer-aided technology to screen epitope-specific antibodies with significant difference in staining characteristics between two types of tissues.Furthermore the feasibility and effectiveness of breast cancer diagnosis were evaluated.Results Four anti-Mam-A epitope-specific monoclonal antibodies,mAb1152,mAb11617,mAb995 and mAb656,were obtained.Immunohistochemical staining showed that the average density of mAb1152,mAb11617 and mAb995 was significantly different between the two types of tissues.The difference was significant between normal breast tissues and breast cancer tissues under the same conditions.The results showed that mAb11617 was better than mAb1152 and mAb995.At the best working point,mAb11617 was the best,the specificity was 90％ and the sensitivity was 59.62％.Further analysis showed that the sensitivity of mAb11617 combined with mAb995 in the diagnosis of in situ breast cancer was 81.48％ and the specificity was 90％,which was of great diagnostic significance.Conclusion There is significant difference between breast tissues and breast cancer tissues in Mam-A protein immunological activity or expression.This difference,which can be recognized by the specific antibody staining and computer aided technology,is of important diagnostic value.
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Objective To evaluate the quality status of recombinant human interferon α1b injection and find out some quality problems.Methods Totally 31 batches of recombinant human interferon α1b for injection and 11 batches of recombinant human interferon α1b injection from two enterprises were examined according to Chinese Pharmacopoeia Volume Ⅲ (2010),and the quality status of recombinant human interferon α1b injection was evaluated by statistical analysis of the results.Results All 42 batches of samples were qualified.The production process of each enterprise was steady.Conclusion At present the quality of recombinant human interferon αlb injection is generally good.The current standards are feasible,but the specified standard of osmolality needs to be improved.
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We assessed the incidence of adverse drug reactions (ADRs) with anti-TB medications and evaluated the risk factors for developing ADRs in previously treated tuberculosis patients in China. All patients received the first-line anti-TB regimen (2HREZS/6HRE) as recommended by the national guidelines. Clinical and laboratory evaluations were performed once a month. Out of the 354 participants, 262 (74.0%) experienced ADRs such as hyperuricemia (65.0%, 230/354), hepatotoxicity (6.2%, 22/354) and hearing disturbances (4.8%, 17/354). ADRs were significantly associated with diabetes mellitus [OR (95% CI): 15.5 (2.07-115.87)]; however, weight more than 50 kg [OR (95% CI): 0.41 (0.22-0.85)] was a protective factor for occurrence of ADRs. Hyperuricemia is the most common adverse event but, most patients with hyperuricemia showed increased tolerance for high uric acid levels. Low body weight and diabetes mellitus increased the risk of the occurrence of ADRs during anti-TB treatment.
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Adolescent , Adult , Female , Humans , Male , Middle Aged , Young Adult , Antitubercular Agents , Therapeutic Uses , Diabetes Mellitus , Prevalence , Retrospective Studies , Risk Factors , Tuberculosis, Pulmonary , Drug Therapy , EpidemiologyABSTRACT
To train the talents of clinical laboratory for the demand of clinical jobs,it is necessary to make the experimental teaching reform of clinical laboratory hematology.Comprehensive experimental teaching,which centers on case,has been explored in many ways like prefessional teachers' training,cases' choose,teaching method and experimental examination.And the practice has proved that the reform of comprehensive experimental teaching can give full play to the students' initiative and creativity,foster the students' ability to analyze and diagnose hematopathy.