1.Therapeutic Observation of Cupping plus Chinese Medicinal Fumigation for Chronic Obstructive Pulmonary Disease Due to Phlegm-heat Obstructing the Lung
Shanghai Journal of Acupuncture and Moxibustion 2016;35(6):650-652
Objective To observe the effect of cupping plus Chinese medicinal fumigation on expectoration in patients with chronic obstructive pulmonary disease (COPD) due to phlegm-heat obstructing the lung. Method Eighty-two patients with COPD due to phlegm-heat obstructing the lung were randomized into a treatment group and a control group, 41 cases in each group. The control group was given regular Western medications, while the treatment group was intervened by cupping plus Chinese medicinal fumigation in addition to the treatment given to the control group, once a day, 5 d as a treatment course. The therapeutic efficacies were observed after 2 treatment courses. Result The clinical effective rate of the treatment group was higher than that of the control group, with a statistical significance (P<0.05). Conclusion Cupping plus Chinese medicinal fumigation can enhance the expectoration in patients with COPD due to phlegm-heat obstructing the lung.
2.Therapeutic Evaluation of Tuina and Hyperbaric Oxygen for Prolapse of Lumbar Intervertebral Disc
Wei CHEN ; Jianxiong WANG ; Zhen WANG
Journal of Acupuncture and Tuina Science 2011;09(1):58-61
Objective: To evaluate the therapeutic effects of Tuina and hyperbaric oxygen on prolapse of lumbar intervertebral disc. Methods: The included 160 cases of prolapse of lumbar intervertebral disc were allocated into a treatment group and a control group. The 100 cases in the treatment group were treated with tuina manipulation and hyperbaric oxygen. The 60 cases in the control group were treated with tuina manipulation. The total effect and scores of symptoms and signs were compared before and after treatment. Results: The total effective rate in the treatment group was 100.0%, and 83.0% in the control group. Conclusion: Tuina and hyperbaric oxygen had excellent effects on the prolapse of lumbar intervertebral disc, by improving the clinical symptoms and signs of ache and movement restriction of lower back and leg, and recovering the ability of work and daily life.
4.Experimental Study on Lung Cancer Model Induced by Bronchial Perfusion of 3, 4-benzopyrene in Pigs
Jinrun CHEN ; Limin YANG ; Zhen ZHANG ; Wei WANG ; Zhen ZHAO
Journal of Kunming Medical University 2013;(12):15-18
Objective To investigate the feasibility of pig lung cancer model induced by bronchial perfusion of 3,4-benzopyrene. Methods 24 experimental pig were randomly divided into model group and control group, each containing 12 cases. Experimental pigs were under the anaesthetic state, pigs in the model group were given endobronchial infusion of 3,4 - benzopyrene - corn oil mixture, pigs in control group were injected with equal capacity of corn oil.Perfusion 1 times a week for 16 weeks.In week 16,32 and 48,all experimental pig were given lung CT scans, then the lung lesions were observed.After 48 weeks, the pig lung, esophagus, and gastrointestinal tract, liver and brain and other organs were dissected, the presence of tumor formation was observed, and the mass, and experimental pig lung biopsy were given hematoxylin and eosin staining analysis. Results Lung cancers were not found in control group by both CT lung cancers and anatomy. In the model group, pulmonary CT showed space-occupying lesions with different location and size in lungs of 8 pigs, and the space-occupying lesions were confirmed as malignant tumors by pathology, including 3 cases of moderately differentiated adenocarcinoma, 2 cases of highly differentiated squamous cell carcinoma, 1 case of alveolar cell carcinoma,2 cases of adenosquamous carcinoma. Three other pigs and pigs in the control group were not found with tumor by both lung CT and anatomy. Pigs in model group were induced successfully to malignant tumor in 1 year , the total tumor formation rate was 75%,lung tumor formation rate was 66.66%. Conclusion The trachea bronchial perfusion of 3,4- benzopyrene is a simple,safe and reliable way to construct animal models of lung cancer.
5.The mTORC1 signaling network underlying the pathogenesis and treatment of depression:new insights into rapid-acting antidepressant therapies
Ting ZENG ; Zhen-Zhen WANG ; Nai-Hong CHEN
Chinese Journal of Pharmacology and Toxicology 2018;32(4):331-331
Depression is a devastating mental disorder and major depressive disorder (MDD) that afflicts 16% of the global population at some point in their lives. Currently available classical antide-pressants (SSRIs, SNRIs, TCAs and MOIs), require a minimum of 2–4 weeks of continuous treat-ment to elicit therapeutic relief in depressed patients and are associated with high rates of non-respon-siveness, and limited duration of efficacy. Therefore, faster-acting antidepressant therapies are need-ed,particularly for patients at risk for suicide for current therapies for depression.Although the molecu-lar mechanisms underlying the pathogenesis of depression are still largely unclear, previous studies have suggested that modulators of mammalian target of rapamycin complex 1 (mTORC1) signaling may have beneficial neuroprotective and antidepressant effects. Here, we review recent advances in understanding mTORC1 signaling in depression and potential therapeutic strategies resulting from modulation of the mTORC1 signaling network. We also highlight recent studies considered to support mTORC1 signaling modulation as a rapid-acting antidepressant therapy (e.g. ketamine, scopolamine, GLYX-13, (2R,6R)-HNK, Ro-256891 etc.) and discuss future research directions. Studies on prospec-tive next-generation rapid-acting antidepressant therapies should focus on developing more selective glutamate receptors(e.g.α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors(AMPARs) agonists or activators)that activate the mTORC1 signaling pathway free of ketamine's adverse effects.
6.Association of depression with dietary fatty acids and the progress of mechanism research
Ning-ning ZHANG ; Zhen-zhen WANG ; Nai-hong CHEN
Acta Pharmaceutica Sinica 2021;56(4):906-912
Depression is one of the diseases with the highest disability rate in the world. A large number of studies have shown that the intake of unsaturated fatty acids can deal with depression while chronic overconsumption of saturated fatty acids is a risk factor for depression. It was suggested that the mechanism of saturated fatty acids inducing depression is related to the following four aspects: regulating the function which links to depression in whole brain and specific brain regions, including the hippocampus, the hypothalamic-pituitary-adrenal axis, the striatum, and the prefrontal cortex; stimulating the secretion of inflammatory factors; affecting the balance and function of metabolic regulatory hormones, including leptin, adiponectin, glucocorticoid, and insulin; inducing the disturbance of intestinal flora. This article reviews the relationship between dietary fatty acids and depression, and the possible mechanisms by which saturated fatty acids induce depression from the four aspects mentioned above.
7.Expression and antitumor activity of fusion protein RGD-TRAIL in Pichia pastoris.
Acta Pharmaceutica Sinica 2015;50(5):552-559
To compare the activity of RGD-TRAIL in different expression systems, RGD-TRAIL in both Escherichia coli (E.coli) and Pichia pastoris was constructed and expressed. In vitro activity of RGD-TRAIL from Pichia pastoris expression system was also analyzed. Genetic engineering techniques were used to construct recombinant plasmid pET30-rgd-trail and pHBM-rgd-trail. The recombinant protein RGD-TRAIL was purified with Ni ion affinity chromatography after induction. MTT assay, ELISA, scratch wound healing, transwell migration assay and Hoechst 33342 staining were performed to detect the effects of RGD-TRAIL on proliferation, binding activity, migration and apoptosis. The expression of apoptosis-associated proteins was detected by Western blotting. Recombinant protein RGD-TRAIL was successfully expressed in a form of inclusion body in E.coli, while expressed secretorily in Pichia pastoris. It possessed more potent cytotoxicity than RGD-TRAIL in E.coli by MTT assay. The RGD-TRAIL expressed by Pichia pastoris showed powerful binding affinity with cancer cells expressing α(v), DR4, DR5 and highly potent cytotoxicity through inducing apoptosis of cancer cells. Nuclear fragmentation was examined by Hoechst 33342 staining. Cleaved PARP and caspase-3 were also detected after incubation with RGD-TRAIL. Additionally, RGD-TRAIL inhibited migration significantly in A549 and HT1080 cells. The results demonstrate that Pichia pastoris expression system is more suitable for the recombinant protein RGD-TRAIL. Its binding affinity and antitumor activity might make RGD-TRAIL a promising candidate for cancer therapy.
Antineoplastic Agents
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pharmacology
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Apoptosis
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Blotting, Western
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Cell Line, Tumor
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Chromatography, Affinity
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Enzyme-Linked Immunosorbent Assay
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Escherichia coli
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Humans
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Oligopeptides
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biosynthesis
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pharmacology
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Pichia
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metabolism
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Plasmids
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Recombinant Fusion Proteins
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biosynthesis
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pharmacology
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TNF-Related Apoptosis-Inducing Ligand
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biosynthesis
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pharmacology
8.Present status in studying immunotherapy for acute leukemia and its perspective--Editorial.
Journal of Experimental Hematology 2005;13(2):169-173
One of the important approaches for further prolonging remission duration and eradicating minimal residual disease in acute leukemia is immunotherapy. Four kinds of immunotherapy for acute leukemia are under investigation: (1) monoclonal antibodies, among them, Mylotarg (cytotoxic antibiotic calicheamicin linked to CD33 Mab) is given for the treatment of refractory or relapsed acute myeloid leukemia and molecular relapse in acute promyelocytic leukemia with good results, Campath-1H (antiCD52 Mab) is administered in the treatment of prolymphocytic leukemia and Rituximab (anti-CD20 Mab) in B-PLL with high complete remission rates. Other Mabs under preclinical and clinical trials include anti-IL-2 receptor Mab for the treatment of acute T lymphocytic leukemia, anti-220 kD Mab-6G7 for acute leukemias, recombinant immune toxin BL22 (anti-CD22) for hairy cell leukemia and Mabs labeled with radio-isotopes for different types of acute leukemias; (2) adoptive cellular immunotherapy using cytokine-induced killer cell, alloreactive NK cells, allogeneic or autologous leukemic-specific CD8(+) cytotoxic T lymphocytes, and other immune effector cells; (3) cytokines and other immune modulators comprising IL-2, IL-12, GM-CSF, CD40L, FLT-3L and thalidomide and its derivatives; (4) leukemia vaccines of several different formulations including antigen-specific, leukemia cell-based, leukemia antigen-pulsed dendritic cell (DC) and leukemia-derived DC vaccines, the latter two formulations are more attractive. In conclusion, up to now, the most effective example of immunotherapy in acute leukemia is provided by the administration of Mabs, and the majority of other approaches in immunotherapy for acute leukemia although promising, need further studies.
Acute Disease
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Adoptive Transfer
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methods
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Antibodies, Monoclonal
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immunology
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therapeutic use
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Cancer Vaccines
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therapeutic use
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Humans
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Immunotherapy
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methods
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trends
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Leukemia
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immunology
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therapy
9.Effects of free fatty acids on apoptosis and migration of human breast cancer cells
Chen WANG ; Junlong ZHUANG ; Zhen BIAN
Chinese Journal of Clinical Nutrition 2011;19(5):307-311
ObjectiveTo observe the effects of free fatty aids (FFAs) on the apoptosis and migration of human breast cancer cells ( MDA-MB-231 ).MethodsBreast cancer cells were exposed to oleic acid (OA) and palmitic acid (PA) with different concentrations (50,200,and 500 umol/L).Quantity RT-PCR was conducted to detect mRNA expression of PTEN,and Western blot to detect protein expression of PTEN and Bcl-2.Cell apoptosis was measured with TUNEL method,and migration measured with transwell method.ResultsThe mRNA and protein expressions of PTEN in MDA-MB-231 cells were down-regulated after OA stimulation,but up-regulated after PA stimulation ( all P < 0.05 ).The protein expression of Bcl-2 increased after OA stimulation and decreased after PA stimulation ( both P < 0.05 ).PA increased the apoptosis,and both OA and PA enhanced the invasion of MDA-MB-231 cells.ConclusionsPA may promote apoptosis of MDA-MB-231 cells through changing the expression of the tumor suppressor PTEN,but also increases the invasion of the cancer cells.The invasion of cancer cells could be enhanced by OA stimulation as well.
10.Concurrent chemoradiotherapy and adjuvant chemotherapy for rectal cancer
Jie CHEN ; Zhen TAO ; Ping WANG
Journal of International Oncology 2012;(11):864-866
Adjuvant and neoadjuvant therapy are the important therapeutic methods for rectal cancer.Neoadjuvant concurrent chemoradiotherapy and postoperative adjuvant chemotherapy play a crutial role in rectal cancer treatment.New chemotherapy drugs and targeted therapy drugs could further improve the therapeutic effect of rectal cancer.