Objective To explore the effect of iron chelators on labile iron pool and expression of apoptosis associated genes in cells of K562, an erythroleukemia cell line.Methods K562 cells were incubated at 37 ℃ in RPMI 1640 containing 10% heat-inactived fetal bovine serum in an saturated humidity and 5% CO_2 incubator. K562 cells were incubated with different concentrations of desferro-(xamine(DFO)). The study groups were divided as following: DFO group, iron+DFO group and the control group. Following indices were detected which included apoptosis by flow cytometry (FCM) assay, expression of Rb, c-myc, bax mRNA by RT-PCR. The intracellular LIP was measured with a fluorimetric assay using the metalsensitive probe calcein-AM.Results 1. The viability of K562 cells incubated with different concentrations of DFO was lower than that of control group at 12 h,24 h and 48 h (P

To evaluate the protective effects of intravitreal injection of cannabinoid HU - 211 for optic nerve in glaucoma rats, providing the experimental evidence in the treatment of glaucoma optic nerve injury.
●METHODS: Glaucoma rats (18 eyes) were modeled by electric coagulation sclera surface vein and randomized into 3 groups, group A received intravitreal injection of 1mg/ 0. 1mL cannabinoid HU - 211 every other day respectively; group B was given intravitreal injection of 0. 1mL water every other day, group C was high intraocular pressure (lOP) group, 6 eyes were randomly selected for blank control group ( group D). lOP was observed every day. The rats were sacrificed after treatment 4wk, froze retina section, HE stain. The density fluctuation of retinal ganglion cell ( RGC ) neurons assessment the optic nerve of rat model with chronic high lOP glaucoma were measured.
●RESULTS: The apoptosis and damage degree of RGC in group B was obviously higher than that in group A, with statistically significant difference (P<0. 05). There was no significant difference in groups B and C (P >0. 05).
●CONCLUSlON: lntravitreal injection of cannabinoid HU-211 shows obvious protective effect on optic nerve in glaucom rat models.

Affinity chromatography is a chromatographic method for separating molecules using the binding characteristics of the stationary phase with potential drug molecules. This method can be performed as a high throughput screening method and a chromatographic separation method to screen a variety of active drugs. This paper summarizes the history of affinity chromatography, screening technology of affinity chromatography, and application of affinity chromatography in screening bio-active compounds in herbal medicines, and then discusses its application prospects, in order to broaden applications of the affinity chromatography in drug screening.
Animals ; Chromatography, Affinity ; methods ; trends ; Drug Evaluation, Preclinical ; methods ; trends ; Drugs, Chinese Herbal ; chemistry ; isolation & purification ; pharmacology ; Humans ; Plants, Medicinal ; chemistry

In order to summarize and perfect the basic skill practicing method in acupuncture teaching and form a characteristic teaching, the research on skill training and technique improving of acupuncture and tuina major was carried out. The undergraduate students in acupuncture and tuina major from College of Acupuncture-Moxibustion and Tuina were randomly divided into an experimental group and a control group. Students from both groups received the basic courses of acupuncture-moxibustion and tuina as requested in the syllabus and the special teaching was added to the experimental group, namely "three practice" (strength practice, coordination practice, targeted practice of acupuncture basic skills) and "three enlightenment" (technique enlightenment, mind and qi enlightenment, efficacy enlightenment). During and after the courses, the teaching effectiveness was evaluated on the basis of needling manipulation. The peacetime score in the experimental group was superior to that in the control group (38.03 +/- 1.14 vs 33.25 +/- 1.31, P < 0.05), the total score in the experimental group was superior to that in the control group (84.03 +/- 6.30 vs 78.05 +/- 6.55, P < 0.05). The special teaching method of "three practice" and "three enlightenment" can improve the effect of skill training teaching method. It highlights the unique feature of central plains by integrating the essence of Shaolin internal qigong and Chen-style Taiji, it can also provide new ideas for the practical teaching of TCM professional courses and the construction of characteristic professionals.
Acupuncture ; education ; manpower ; Acupuncture Therapy ; methods ; Humans ; Students ; Teaching

Lipoproteins are biological lipids carriers. The natural and reconstituted lipoprotein based drug delivery systems have been extensively developed in recent years. This article reviews the development of natural and reconstituted low-density lipoprotein and high-density lipoprotein based vehicles in the antitumor area.
Animals ; Antineoplastic Agents ; administration & dosage ; chemistry ; Apolipoproteins B ; administration & dosage ; chemistry ; Drug Carriers ; administration & dosage ; chemistry ; Humans ; Lipoproteins ; administration & dosage ; chemistry ; Lipoproteins, HDL ; administration & dosage ; chemistry ; Lipoproteins, LDL ; administration & dosage ; chemistry ; Nanoparticles ; Neoplasms ; drug therapy ; Peptides ; administration & dosage ; chemistry ; Pharmaceutical Vehicles ; chemistry

Bufalin is an active compound of the traditional Chinese medicine Chansu, which exhibits significant anti-tumor activities in many solid tumors and leukemia cell lines. Bufalin could introduce apoptosis, reverse drug-resistance, and prevent migration and invasion of tumor cells. This paper reviewed the latest research progress of the in vitro and in vivo anti-tumor effect and mechanism of bufalin on a series of cancers, such as hepatocellular carcinoma, lung cancer, colon cancer, gastric cancer, leukemia, bladder cancer, and its formulation study is also summarized for the reference of its further study and application.
Animals ; Antineoplastic Agents ; chemistry ; pharmacology ; therapeutic use ; Bufanolides ; chemistry ; pharmacology ; therapeutic use ; Chemistry, Pharmaceutical ; methods ; Neoplasms ; drug therapy ; pathology

Abstract: Objective To investigate the clinical outcomes and influencing factors of mild therapeutic hypothermia for influenza-associated encephalopathy/encephalitis (IAE) in children with different center temperatures, and to provide ideas and references for new mild therapeutic hypothermia scheme. Methods　A total of 115 hospitalized children with IAE who were scheduled to receive mild therapeutic hypothermia in Zhongshan Hospital Affiliated to Xiamen University from January 2019 to February 2022 were collected as subjects. They were randomly divided into two groups, namely, the 33 ℃ group (n=60) and the 35 ℃ group (n=55). The clinical features and clinical outcomes of the two groups were analyzed. Univariate and multivariate logistic regression analysis was performed for 6-month to investigate the factors affecting neurological disability. Results　The baseline indicators after treatment, such as Glasgow Coma Scale (GCS) score, cerebrospinal fluid total protein (CSF-TP), CSF lactate dehydrogenase (CSF-LDH), lymphocyte (Lym), creatine kinase-MB (CK-MB), LDH, and neuron-specific enolase (NSE), revealed no significant differences between the two groups before treatment or after treatment (P>0.05). There was no significant difference between the two groups after treatment in the clinical outcomes including GCS score D-value, time of hospitalization, 6-month neurological disability rate and mRS score, CSF-TP D-value, CSF-LDH D-value, Lym D-value, CK-MB D-value, LDH D-value, NSE D-value, improvement rate of EEG and MRI (P>0.05). Univariate and multivariate logistic regression analyses [OR=1.185, 95%CI (1.026~1.369), P=0.021] indicated that the delay of the onset of mild therapeutic hypothermia treatment was an independent risk factor for neurological disability in children with IAE after mild therapeutic hypothermia treatment of 6 months. Conclusion　There was no significant difference in the clinical outcomes between 33 ℃ and 35 ℃ mild therapeutic hypothermia for children with IAE. Therefore, mild therapeutic hypothermia for children with IAE may not require a strict requirement. Timely receipt of mild therapeutic hypothermia is a key measrue to reduce the risk of neurological disability in children with IAE.

Objective To explore the relationship between social participation and needs for rehabilitation of the disabled in Guangdong Province and to make a proposal for developing the rehabilitation strategies. Meth-ods The data of the Second National Sample Survey of Disabled Persons in Guangdong Province was used in this study. Ranked data analysis was made with the sub-items of the social participation assessment and the main needs of the disabled individuals. Results Significantly statistical differences were revealed with regard to the constitu-ent ratio of needs for rehabilitation services among people with different degrees of difficulties in social participation caused by hearing and visual impairments as well as physical and mental disabilities. No significant difference was found in terms of the constituent ratio of rehabilitation needs among those with difficulties in speech and those with psychiatric diseases. The major rehabilitation needs focused on medical service, assistive apparatus support and functional trainings. Conclusions The rehabilitation needs were different among different categories of disabled persons. Rehabilitation services should be provided accordingly.

To assay the influence of dendritic cells(DCs)on the function of anti-infective immunity to Penicillium marneffei.DCs were generated from peripheral blood mononuclear cells(PBMC)and pulsed with Penicillium marneffei yeasts.DCs morphology was observed by the inverted microscope and cell surface markers of DCs were analyzed by flow cytometry.The concentrations of IL-12p70 were detected by ELISA. Mixed lymphocyte reaction was performed to assay the proliferation of T cells.The mRNA of CCR7 and CXCR4 were detected by the Real-time PCR quantifications.The acquired DCs exhibited irregular appearance and numerous long dendrites under light microscope.DCs and Penicillium marneffei yeasts were co-cultured for 24 h,numerous yeasts were observed inside the cells;an enhanced expression of the cell sur-face markers CD86、CD83、HLA-DR and CD40 were demonstrated;the expression of CCR7 and CXCR4 mRNA were also increased;the improved proliferation of T cells were observed in the mixed lymphocyte reaction.Yeasts-pulsed DCs secreted more IL-12p70 than that of non-pulsed,but less than that of LPS-pulsed DCs.DCs can engulf the Penicillium marneffei yeasts.When pulsed with Penicillium marneffei yeasts,DCs improved their expression of the co-stimulatory molecules and chemokine receptor CCR7、CXCR4,enhanced their capacity to process antigen.DCs play an important role in host defense against Penicillium marneffei infection.But the low level of the IL-12p70 production may lead to deficiency in the cell-mediated immunity against Penicillium marneffei.

OBJECTIVETo investigate the Malytea Scurfpea fruit (MSF) on melanocyte adhesion and migration.

METHODHuman epidermal melanocytes were treated with MSF and Ginger respectively, then adhesion to bovine serum fibronectin-coated culture dishes was checked. Control and treated cells were also examined for migration into micropore filters coated with the same protein.

RESULTCompared with control, MSF treated melanocytes were obviously easier to adhere to the dishes and move into the filters in a dose-dependent manner. When the dose of MSF was 200 mg x L(-1), it could not reincrease melanocyte adhesion and migration. At 10 mg x L(-1), under every other concentrations of MSF, there was no marked difference among MSF-treated, Ginger-treated and untreated melanocytes (P < 0.05) when adhesion test were studied. But to migration, even at 10 mg x L(-1) MSF, there was obvious increased migration compared with MSF-untreated or Ginger-treated melanocytes (P < 0.01).

CONCLUSIONMSF has effect on melanocyte adhesion and migration, which can explain, in part, the capacity of MSF to modulate melanocyte function in vitiligo lesions.

Cell Adhesion ; drug effects ; Cell Movement ; drug effects ; Cells, Cultured ; Drugs, Chinese Herbal ; isolation & purification ; pharmacology ; Fruit ; chemistry ; Ginger ; chemistry ; Humans ; Melanocytes ; cytology ; drug effects ; Plants, Medicinal ; chemistry ; Psoralea ; chemistry