Search PubMed⌕ Search

Biomedical subjects

Yan Zhang

Publications and source records attributed to Yan Zhang.

At least 379 records · Page 21Linked to original sources
PubMed2004

Fluorescent-based single-strand conformation polymorphism/heteroduplex capillary electrophoretic mutation analysis of the P53 gene.

Fluorescent-based single-strand conformation polymorphism (F-SSCP) analysis with capillary electrophoresis (CE) is the most common method for the detection of mutation because of its high sensitivity and resolution. In this study, we prepared an inexpensive linear polyacrylamide (LPA), and successfully applied it to CE-SSCP analysis and tandem CE-SSCP/heteroduplex analysis (HA) of the P53 gene on an ABI capillary genetic analyzer. A comparison of the sieving capabilities of a homemade LPA and commercial polydimethylacrylamide (PDMA) demonstrates that the homemade LPA has a higher resolution, a shorter analysis time, and is more suitable for tandem SSCP/HA than commercial PDMA. To show the usefulness, mutations of P53 gene exon 7 - 8 in 37 tumor samples were investigated by using homemade LPA. The results indicate that 10 mutations were found in 9 of 37 cases; the majority of P53 mutations were missense mutations, and 70% were located in exon 7, which plays an important role in neoplastic progression in human tumorigenesis.

Acrylic Resins↗
PubMed2004

Does variant hepatic artery anatomy in a liver transplant recipient increase the risk of hepatic artery complications after transplantation?

OBJECTIVE: Our aim was to determine whether variant hepatic artery anatomy in a liver transplant recipient increases the risk of hepatic artery complications after liver transplantation. MATERIALS AND METHODS: The study group consisted of 84 patients who underwent gadolinium-enhanced 3D MR angiography before orthotopic liver transplantation in which a branch patch arterial anastomosis at the gastroduodenal takeoff was used. MR angiography studies were retrospectively reviewed and assessed for the presence and type of variant hepatic artery anatomy. The diameter of the distal common hepatic artery was measured. The incidence of posttransplantation hepatic artery stenosis or thrombosis was assessed. RESULTS: Seven (8.3%) of the 84 patients developed hepatic artery complications after transplantation. Of the 24 patients with variant hepatic artery anatomy, five (20.8%) had posttransplantation/ hepatic artery complications. In contrast, only two (3.3%) of the 60 patients with classic hepatic artery anatomy had complications. The higher complication rate in patients with variant hepatic artery anatomy was statistically significant (p < 0.05). The odds ratio was 7.6 (95% confidence interval, 1.4-42.6). The diameter of the distal common hepatic artery was smaller in patients with variant hepatic artery anatomy compared with those with classic hepatic artery anatomy (range, 4.3-7.1 mm [mean, 5.8 mm] vs 4.0-8.9 mm [mean 6.3 mm], p < 0.05), and it was also smaller in patients who had posttransplantation hepatic artery complications compared with those who had no complications (range, 4.2-6.3 mm [mean, 5.2 mm] vs 4.0-8.9 mm, [mean, 6.2 mm], p < 0.01). CONCLUSION: Variant hepatic artery anatomy in a liver transplant recipient increased the risk of hepatic artery complications after transplantation. The smaller caliber of the native common hepatic artery may contribute to the higher risk.

Adolescent↗
PubMed2004

Polymorphism K469E of intercellular adhesion molecule-1 gene and restenosis after coronary stenting in Chinese patients.

BACKGROUND: Inflammation is a major cause of restenosis after coronary stenting. Intercellular adhesion molecule-1 (ICAM-1) is an important adhesion molecule that plays a key role in the tight adhesion between leukocytes and vascular endothelium. The object of this study was to investigate the association between the K469E polymorphism of the ICAM-1 gene and restenosis after coronary stenting in North Chinese population. METHODS: The ICAM-1 K469E polymorphism was genotyped using polymerase chain reaction-restriction fragment length polymorphism method in 124 patients who had undergone coronary stenting and coronary angiography at least 3 months earlier. Information on clinical risk factors and procedure-related data were also collected. RESULTS: Of 124 enrolled patients in total, there were 72 cases of in-stent restenosis. The restenosis rate in this population was 58.1%. The frequencies of the three possible genotypes of the ICAM-1 K469E polymorphism were: KK genotype 50.8%, EE genotype 41.9%, and EK genotype 41.9%. Among restenosis patients, the frequency of the KK genotype was 58.3% and the frequency of E allele carriers was 41.7%. Among non-restenosis patients, the frequency of the KK genotype was 40.4%, and the frequency of E allele carriers was 59.6%. The distribution of these two genotype groups between restenosis and non-restenosis patients was significantly different (P = 0.049). Using multivariate logistic regression, the difference between the two groups was more apparent. The odds ratio of KK homozygotes vs E allele carriers was 2.6, with 95% confidence interval 1.2 - 5.8 (P = 0.018). After grading of risk factors, we found that the KK genotype was a stronger predictor of in-stent restenosis in obesity or hyperlipemia patients, with an odds ratio of 9.3 and 3.7, respectively (P < 0.05). CONCLUSION: In our study population, KK homozygotes of the ICAM-1 codon 469 mutation had a higher risk of restenosis after coronary stenting, especially in the case of obese or hyperlipemia patients.

Asian People↗
PubMed2004

[Changes of blood-cerebrospinal fluid barrier in rabbits with diabetic ketoacidosis].

OBJECTIVE: To explore the mechanism of the changes of blood-cerebrospinal fluid barrier in rabbits with diabetic ketoacidosis (DKA). METHODS: The New Zealand rabbits were injected with 150 mg/kg streptozotion and alloxan monohydrate each (model group, n=6) intravenously, or equal volume of normal saline (control group, n=6). After 72 hours, blood sugar and uric ketone were detected. All of animals were injected with Evans blue (EB). After 6 hours, arterial blood gases were measured and animals were killed. Absorbency of EB of brain tissue was detected. All brains of animals were examined with light and electron microscopy. Marker of blood-cerebrospinal fluid barrier, cytochemical stains of alkaline phosphatase (ALPase) was operated by ultrastructure. The inducible nitric oxide synthase (iNOS) in brain tissue was detected by immunohistochemical method. RESULTS: The models of DKA were established after 72 hours of injecting streptozotion and alloxan monohydrate. Absorbency of EB of model group rabbits was slightly increased, but had no significant difference compared with controls (P>0.05). The brain edema, damages of vessel endothelium and necrosis of neuron were observed through histological and ultrastructure examination in model group. ALPase activity of model group was evidently decreased in brain blood vessel endothelium in comparison with controls. Compared to controls, the iNOS activity of model group was increased and its positive cells were aggregated on blood vessel of brain membrane. CONCLUSION: By streptozotion and alloxan monohydrate inducing DKA models, NO could induce blood-cerebrospinal fluid barrier damages and result in brain edema.

Animals↗
PubMed2004

[Preparation of nifidipine pulsatile release tablets].

OBJECTIVE: To prepare nifidipine (NFP) bi-layered pulsatile release tablets, to evaluate the effects of the formulation and dissolution medium on drug release behavior, and to elucidate the mechanism of drug release based on the obtained results. METHODS: Core tablets containing osmotic active agent were prepared by direct compression and spray coated with swelling layer and semipermeable membrane subsequently. Pharmaceutical properties of NFP pulsatile tablets were investigated by dissolution test. RESULTS: Pulsatile release of NFP from bi-layered tablets was accomplished. The lag-time was prolonged with the increase of coating level of semipermeable membrane, and the steady release rate was increased significantly with the increase of osmotic active agent and swelling layer. It was shown that drug release behaviors were constant and irrespective of various pH values of dissolution medium and rotation speeds. All results indicated that diffusion, swelling and osmotic pumping were involved in the mechanism of drug release. CONCLUSION: Ideal pulsed release behaviors can be achieved by adjusting the coating level and composition of semipermeable membrane to meet the requirement of chronotherapy. The comprehensive mechanism of drug release is suitable for water insoluble drugs.

Chronology as Topic↗
PubMed2004

Etiological analysis on ocular fungal infection in the period of 1989 - 2000.

BACKGROUND: This study was to review the distribution and shifting trend of fungal of culture specimens isolated from eyes of patients at the Beijing Institute of Ophthalmology, Tongren Hospital, Beijing, China. METHODS: The fungal culture-positive rate, the distribution and change of isolates of 2609 specimens collected in a 12-year period (1989 - 2000) were retrospectively analyzed. RESULTS: In 775 positive cultures, 707 specimens (91.2%) were from the cornea, 22 (2.8%) from the conjunctiva, 15 (1.9%) from the anterior chamber, 9 (1.2%) from the vitreous body, 3 (0.4%) from the lacrimal sac, and 19 (2.5%) from other parts of the eye. The average culture-positive rate was 29.7%. The ratio of the positive cultures in the first half year (from January to June) to those in the second half (from July to December) was 1:2.1. The main genus cultured was Fusarium sp (58.7%), followed by Aspergirum sp (16.8%). The percentage of Fusarium sp was increased from 53.6% (1989 - 1994) to 60.2% (1995 - 2000), whereas the percentage of Aspergirum sp was decreased from 22.3% (1989 - 1994) to 15.1% (1995 - 2000). CONCLUSIONS: Fusaruim sp is one of the most predominant pathogens of ocular fungal infection in northern China and its incidence tends to increase, but that of Aspergirum sp to decrease. It is very important to recognize the distribution and shifting trend of pathogenic fungi in the diagnosis, prevention and treatment of fungal keratitis.

Aspergillus↗
PubMed2004

[Studies on evaluation of brain death].

OBJECTIVE: To investigate the methods of evaluating brain death accurately and objectively. METHODS: Various kinds of clinical examination [including conscious state, Glasgow coma score (GCS), brain stem reflection, cranial nerve dominated actions, spinal reflection, spinal nerve dominated automatic action, respiratory and apnea testing] and laboratory methods [such as electroencephalography (EEG), brainstem auditory evoked potentral (BAEP), brainstem auditory sensery evoked potentral (SLSEP) and transeranial Doppler (TCD)] were used to evaluate 11 cases with brain death. RESULTS: Eleven cases presenting with deep coma were conssedered to have brain death. All of them had GCS score of 3 and disappearance of brain stem reflection and cranial nerve dominated automatic action. Six of them patients showed anisocoria. Nine of them pharyngeal reflex could not be detected because of tracheal cannulization, but this did not influence the evaluation of brain death. None of them showed "flat" EEG and disappearience of BAEP dominant wave. None of the SLSEP show any wave behind N13. TCD showed blood stream characteristic of brain death except in one case blood stream characteristic of increased intracraniai pressure. Apnea test and atropine test provided the final proof brain death. The former had more influence on heart rate, blood pressure and oxygen saturation while the latter were more safe and reliable. CONCLUSION: Combined and continuous observation of clinical and laboratory indices can enhance the accuracy of the evaluation of brain death.

Adult↗
PubMed2004

Evolution of lesions in Susac syndrome at serial MR imaging with diffusion-weighted imaging and apparent diffusion coefficient values.

BACKGROUND AND PURPOSE: Susac syndrome is a rare disorder consisting of encephalopathy, hearing loss, and retinal arteriolar occlusions. The purpose of this study was to evaluate the evolution of lesions in this disease by using serial MR imaging with diffusion-weighted imaging (DWI) and apparent diffusion coefficients (ADCs). Abnormalities in the nonlesional white matter (NLWM) were also analyzed. METHODS: Serial MR and DWI findings in two patients with Susac syndrome were reviewed retrospectively. ADCs of the lesions and the NLWM were compared with values of the corresponding anatomical regions in 16 control subjects. RESULTS: T2-weighted images, DWIs, and fluid-attenuated inversion-recovery (FLAIR) images demonstrated diffuse small hyperintense lesions predominantly involving the corpus callosum, white matter, cerebral cortex, and deep gray structures. During the whole course in the two patients, 437, 295, and 113 lesions were depicted on FLAIR images, T2-weighted images, and DWIs, respectively. With the aggravation and mitigation of the clinical symptoms, the size and number of the lesions changed over time. Of 65 lesions with measured ADCs, six had restricted ADCs (5.29-6.91 x 10(-4) mm(2)/s), and 29 had elevated ADCs (8.02-13.5 x 10(-4) mm(2)/s). With disease progression, ADCs in the NLWM changed from normal to elevated; this corresponded to the diffuse signal-intensity change seen in the white matter. CONCLUSION: FLAIR imaging is the most sensitive sequence for detecting lesions of Susac syndrome. DWI is useful in demonstrating the heterogeneous nature of lesions, depicting occult abnormalities in the white matter, elucidating underlying pathologic processes, and conducting patient follow-up.

Acute Disease↗
PubMed2004

[Expression of hMSH2 and hMLH1 in stomach cancer and their correlation with Helicobacter pylori infection].

BACKGROUND & OBJECTIVE: The carcinogenesis of gastric carcinoma is related to many factors. Helicobacter pylori (HP) infection is one of the factors causing gastric carcinoma, but the exact molecular mechanism is not clear. Mismatch repair genes are important in keeping the accuracy of DNA replication. They are associated with carcinogenesis of alimentary canal. In order to investigate the role of hMSH2 and hMLH1 in stomach cancer and the possible mechanism of carcinogenesis caused by HP infection, we tested cancer tissue, surrounding mucosa and chronic superficial gastritic mucosa with and without HP infection. METHODS: HP infection was determined with quick-ureolytase method. Immunohistochemistry staining was used to exam the expression of hMSH2 and hMLH1 in tumor tissue and their surrounding mucosa and gastric mucosa. Chi-square was used for statistic analysis. RESULTS: The positive rate (67.1%) of hMSH2 expression in cancer tissue was significantly higher than those of surrounding mucosa (35.5%) and gastritic mucosa (42.1%) (P< 0.05); the positive rate (81.1%) of hMSH2 expression in poor differentiation group was significantly higher than those in well middle differentiation group (54.5%) and mucoid carcinoma group (54.5%) (P< 0.05), but there was no significant difference between the latter two groups. There was no significant difference among the positive rates of hMLH1 expression in cancer tissue (81.6%), in surrounding mucosa (90.8%), and in gastritic mucosa (89.5%) (P>0.05). The positive rate (47.1%) of hMLH1 expression in mucoid carcinoma group was significantly higher than those in well middle differentiation group (81.8%) and poor differentiation group (97.3%) (P< 0.05), but there was no significant difference between the latter two groups (P>0.05). In cancer tissue, the positive rate (56.8%) of hMSH2 expression in HP infection group was significantly lower than that without HP infection group (81.3%) (P< 0.05); the positive rates of hMLH1 expression was 77.2% in HP infection group and 87.5% in without HP infection group, but there was no significant difference between two groups (P >0.05). In surrounding mucosa, the positive rate of hMSH2 expression was 29.5% in HP infection group and 43.8% in without HP infection group, as well as those of hMLH1 were 86.4% and 96.9%, there were no significant differences between the groups. In gastritic mucosa, the positive rate of hMSH2 expression was 38.5% in HP infection group and 50.5% in HP-negative group, as well as those of hMLH1 were 88.5% and 91.7%; there was no significant difference between the groups. CONCLUSION: The expression of hMSH2 is associated with carcinogenesis of stomach cancer, and its high expression may be a potential marker of stomach cancer; HP infection inducing low expression of hMSH2 and hMLH1 may be one of molecular mechanisms by which HP infection leads to stomach cancer.

Adaptor Proteins, Signal Transducing↗
PubMed2004

[Cytogenetic and clinical characteristics in 31 cases of blood diseases with aberrations at short arm of chromosome 12].

To investigate the cytogenetic and clinical characteristics in patients with abnormalities at the short arm of chromosome 12, chromosome specimens were prepared by 24-hour culture of bone marrow cells and undergone karyotype analysis by G-banding technique. The results showed that aberration at the short arm of chromosome 12 were detected in 16 cases with 12p balanced translocation, in 10 cases with 12p deletion, 6 cases with 12p addition, and in 1 case with inversion 12. By complex karyotype classification, 12p translocation included 6 simple aberrations, 6 complex aberrations, and 4 highly complex aberrations; while 12p deletion were mainly composed of highly complexity of aberration. Patients consisted of acute leukemia, myelodysplastic syndrome, chronic myelogenous leukemia and so on. Clinical follow-up data were available in 14 patients, in which 8 cases of acute leukemia were treated with conventional chemotherapy only. Three of them attained complete remission, and the median survival time in 8 patients was 5.5 months. In conclusion, the aberrations at short arm of chromosome 12 were involved in a broad spectrum of haematological malignancies, and the karyotypes showed most complexity of aberration with low remission rate and short survival in clinic.

Adolescent↗
PubMed2004

[Specific promoter activity of CIITA-pI in dendritic cells].

AIM: To detect whether CIITA-pI can drive reporter gene expression and its specific promoter activity in DCs. METHODS: Luciferase reporter system was used to detect 112 bp CIITA-pI specific promoter activity in DCs. RESULTS: CIITA-pI could drive expression of reporter gene in DCs but not in HEK 293 cells and its promoter activity increased with the maturation of DCs. CONCLUSION: Our work provides a basis for further study of targeting DC gene therapy using CIITA-pI as DC-specific promoter.

Animals↗
PubMed2004

[The mechanism for up-regulation of HLA-I expression on HepG2 cells by HBV].

AIM: To explore the mechanism of up-regulation of HLA-I expression on HepG2 cells by wild type (WT) and nucleocapsid mutants(L97 and V60) of hepatitis B virus (HBV). METHODS: The HBV-stable expression vectors EBO-WT, EBO-L97 and EBO-V60 were transfected into HepG2 cells via the liposome mediation, respectively. The cells were assayed by semi-quantitative RT-PCR for HLA-A gene and antigen presentation-related genes LMP2, TAP1, and tapasin mRNA expression. Western blot was applied for analysis of HLA-I protein expression in the cells. RESULTS: HepG2 cells transfected by the 3 HBV expression vectors expressed HLA-A and TAP1, while there was no expression of HLA-A and only marginal expression of TAP1 in HepG2 cells transfected by control vector EBO. The expression level of HLA-A in the transfected cells decreased successively in the order of EBO-L97, EBO-WT and EBO-V60. There was no significant difference in the expression level of TAP1 between HepG2 cells transfected by the 3 HBV expression vectors. No detectable expression of LMP2 and tapasin was observed for all transfected cells. CONCLUSION: HBV can induce the expression of HLA-I molecule and TAP1 in HepG2 cells.

ATP Binding Cassette Transporter, Subfamily B, Mem↗
PubMed2004

[Separation of high-quality sperm by PureSperm centrifugation applied to intrauterine insemination cycles].

OBJECTIVE: To separate high-quality sperm by PureSperm centrifugation applied to intrauterine insemination (IUI) cycles. METHODS: We compared the separate results after washing the semen with one-layer and two-layer PureSperm gradient centrifugation methods and two-layer Percoll gradient centrifugation method, and used the recovered high-quality sperm for IUI. RESULTS: The density of the sperm washed with one-layer PureSperm centrifugation method was significantly higher than that washed with two-layer Percoll and two-layer PureSperm centrifugation methods(P < 0.01), but there were no differences in all the results between the use of two-layer Percoll and two-layer PureSperm(P > 0.05). No significant differences in the motility, teratozoospermia and IUI results were found when the three methods were used for sperm preparation(P > 0.05). The percentage of morphologically normal sperm was markedly increased, and the non-sperm components such as leucocytes, epithelial cells and cellular fragments were significantly reduced after washed by the two methods. CONCLUSION: PureSperm centrifugation is a safe, efficient and easy method for separating high-quality sperm on intrauterine insemination cycles.

Cell Separation↗
PubMed2004

Effects of sodium beta-aescin on expression of adhesion molecules and migration of neutrophils after middle cerebral artery occlusion in rats.

AIM: To investigate the effects of sodium beta-aescin on neutrophil migration and expression of adhesion molecules (ICAM-1 and E-selectin) after middle cerebral artery occlusion (MCAO) in rats. METHODS: Rats were pretreated with sodium beta-aescin for 7 d and then subjected to cerebral ischemia/reperfusion (I/R) injury induced by an MCAO. After a 2-h ischemia and a 24-h reperfusion, the infarct volume and neurological deficit were determined by the method of TTC staining and the Longa's score. The effect of sodium beta-aescin on the migration of neutrophils was evaluated by measuring the activity of myeloperoxidase (MPO) enzyme. The expressions of adhesion molecules were determined by immunohistochemistry and Western blot. RESULTS: Sodium beta-aescin significantly reduced the cerebral infarct volume and ameliorated the neurological deficit (P<0.05 or P<0.01). The MPO activity and the expressions of ICAM-1 and E-selectin in the vehicle-treated rats were increased significantly (P<0.01) after cerebral I/R. After treatment with sodium beta-aescin, the enzymatic activity of MPO and the expressions of these adhesion molecules were significantly reduced compared with the vehicle-treated group (P<0.05 or P<0.01). CONCLUSION: Sodium beta-aescin can attenuate brain injury, down-regulate the protein expressions of ICAM-1 and E-selectin, and reduce the migration of neutrophils after cerebral I/R.

Aesculus↗
PubMed2004

[Discussion on diagnosis and treatment of 12 patients with intrathoracic oesophageal perforation caused by foreign body].

OBJECTIVE: To explore the countermeasure to reduce fatality in patients with intrathoracic oesophageal perforation caused by foreign body. METHOD: Exploratory pleuracotomy were operated on all the 12 cases with intrathoracic esophageal perforation caused by foreign body. According to the different pathological morbids, one of following surgical procedures was operated: 1. esophagoscopy was used to fetch the foreign body and the oesophageal perforation was repaired (3 cases), 2. esophagotomy was adopted to fetch the foreign body and to had the oesophageal a drainage using "T" tube (5 cases), 3. esophagotomy was adopted to fetch the foreign body and to had the oesophageal a drainage using "T" tube as well jejunostomy (3 cases). Occlusive drainage were used on all the cases and pleuroclysis with flagyl soloution and normal saline were used on some cases. RESULT: Four of 12 cases (33.3%) were cured, the others (66.7%) died, among them 7 cases died of breaks of thoracaorta and hematorrhoea afterwards. CONCLUSION: An esophagoscopy to fetch the foreign body, the pleuracotomy to protect thoracaorta in time, preventing infection and hematorrhoea post-operation are keys in reduce the fatality in patients with intrathoracic oesophageal perforation caused by foreign body.

Adult↗
PubMed2004

[Experimental study of the effect of rhTNF-alpha on human sperm mitochondrial function and motility in vitro].

OBJECTIVE: To study the effect of rhTNF-alpha on human sperm mitochondrial function and motility in vitro. METHODS: Fifty-six semen samples collected by masturbation were analyzed according to WHO protocols. Semen samples from 40 healthy men were prepared using Percoll centrifugation. Sperm suspension was diluted to a concentration of 10 x 10(6)/ml in Ham's F10 medium. Sperm samples were incubated with rhTNF-alpha solution (final concentration 0.03 microg/L, 0.06 microg/L, 0.09 microg/L and 0.27 microg/L, respectively) for 0.5 h, 1 h, 2 h, 3 h and 4 h at 37 degrees C in 5% CO2, and comparative studies were made with a control group. Ten microl sperm samples were examined with CASA technique, 250 microl stained in the presence of 10 microg/ml Rh123 and PI, and mitochondrial function analyzed by flow cytometry. RESULTS: Significant differences were found between the experimental groups (final concentration 0.06 microg/L, 0.09 microg/L and 0.27 microg/L) and the control group in viability, straight line velocity, curvilinear velocity, average path velocity, progressive motility of human sperm and the number of spermatozoa with normal mitochondrial function (P < 0.01) except the final concentration 0.03 microg/L group (P > 0.05). Motility of human sperm lowered with the increase of rhTNF-alpha concentration and incubation time, and r values were 0.675, 0.691, 0.762, 0.693, 0.724 and 0.571, 0.594, 0.752, 0.791, 0.816, respectively (P < 0.01). The number of spermatozoa with normal mitochondrial function decreased with the increased rhTNF-alpha concentration and incubation time, and r values were 0.615, 0.643, 0.752, 0.691, 0.754 and 0.532, 0.567, 0.782, 0.692, 0.854, respectively (P < 0.01). CONCLUSION: rhTNF-alpha can reduce human sperm motility function in vitro, possibly by interfering with human sperm mitochondrial function.

Adult↗
PubMed2004

[Gene expression profile in early differentiation of K562 cells induced by matrine].

OBJECTIVE: To compare gene expression profile in K562 cells induced by matrine, so as to screen for differentiation related genes. METHODS: K562 cells were exposed to 0.1 mg/ml matrine for 3 hours, and gene expression profiles in matrine-treated and non-treated cells were studied by cDNA microarray. RESULTS: From 8465 screened genes, 30 differentially expressed genes were found. Among them 18 showed decreased expression including oncogene and proto-oncogene, signal transduction gene, DNA binding and transcription gene etc, 12 showed increased expression including cell receptor gene, immune-associated gene, metabolism-associated gene etc in matrine-treated K562 cells as compared with that in non-treated cell. CONCLUSION: The genes, that are closely associated with differentiation of can-cer cell, could be the potential targets for cancer treatment.

Alkaloids↗