1.Discussion on the Control Index of Higher Medical Education According to the Relation of Supply and Demand
Gongwang WANG ; Chunlan YE ; Shize WANG ; Yuyu KONG
Chinese Journal of Medical Education Research 2002;0(01):-
Academic analysis was made on the relationship between the supply and demand of higher education on the condition of rapid economic development.The development target of the healthcare manpower up to 2020 in Zhejiang Province was discussed through a comparative study method.A simulated prediction of the demand for the healthcare manpower was made by the specific ratio method of healthcare manpower/population.This study shows that by 2020 the number of doctors per thousand will reach 2.4,which is the average figure of the developed countries in the 1990's,then can adapt to the effective demand in Zhejiang Province.
2.Vascular pressurisation and super-reflux techniques applied in free anterolateral thigh flap
Chaobo HU ; Shijie PEI ; Lingfu KONG ; Zexiao HUANG ; Yuyu WU ; Huayou CHEN ; Mianchuan CHEN ; Wangren WANG
Chinese Journal of Microsurgery 2023;46(3):241-246
Objective:To investigate the clinical effect of vascular pressurisation and super reflux on free anterolateral thigh flap (ALTF).Methods:From January 2017 to September 2021, the Department of Hand and Foot Microsurgery, the Second Affiliated Hospital of Hainan Medical College had treated 31 cases of soft tissue defects of the limbs. The patients were 23 males and 8 females, aged 4-76 years old at 40 years old in average. All the patients received transfer of free ALTFs carrying 2 groups of blood vessels of the descending and oblique branches of lateral circumflex femoral artery (LCFA). The vascular pressurisation and super-reflux techniques were applied in wound repair. Soft tissue defect area 7 cm × 5 cm-22 cm × 10 cm. The sizes of flaps were 8 cm×6 cm-23 cm×11 cm. All the donor sites were sutured directly. Fifteen patients had inner flap pressurisation (or super-reflux) and the rest of 16 patients had external flap pressurisation (or super-reflux). After surgery, scheduled follow-ups were conducted through outpatient clinic, telephone and WeChat reviews or home visits to evaluate the efficacy of wound repair.Results:All the 31 flaps survived, except 2 flaps that had mild infection after surgery. The wounds of donor and recipient sites healed completely. The time of follow-up was 3-55 months. The skin of flaps achieved good texture, colour, lustre and appearance. TPD of the flaps ranged 7-12 mm.Conclusion:Vascular pressurisation and super reflux technique are stable and reliable in the clinical application of free ALTF to repair soft tissue defects of limbs.
3.New opportunities and challenges of natural products research: When target identification meets single-cell multiomics.
Yuyu ZHU ; Zijun OUYANG ; Haojie DU ; Meijing WANG ; Jiaojiao WANG ; Haiyan SUN ; Lingdong KONG ; Qiang XU ; Hongyue MA ; Yang SUN
Acta Pharmaceutica Sinica B 2022;12(11):4011-4039
Natural products, and especially the active ingredients found in traditional Chinese medicine (TCM), have a thousand-year-long history of clinical use and a strong theoretical basis in TCM. As such, traditional remedies provide shortcuts for the development of original new drugs in China, and increasing numbers of natural products are showing great therapeutic potential in various diseases. This paper reviews the molecular mechanisms of action of natural products from different sources used in the treatment of inflammatory diseases and cancer, introduces the methods and newly emerging technologies used to identify and validate the targets of natural active ingredients, enumerates the expansive list of TCM used to treat inflammatory diseases and cancer, and summarizes the patterns of action of emerging technologies such as single-cell multiomics, network pharmacology, and artificial intelligence in the pharmacological studies of natural products to provide insights for the development of innovative natural product-based drugs. Our hope is that we can make use of advances in target identification and single-cell multiomics to obtain a deeper understanding of actions of mechanisms of natural products that will allow innovation and revitalization of TCM and its swift industrialization and internationalization.
4.SHP2 inhibition triggers anti-tumor immunity and synergizes with PD-1 blockade.
Mingxia ZHAO ; Wenjie GUO ; Yuanyuan WU ; Chenxi YANG ; Liang ZHONG ; Guoliang DENG ; Yuyu ZHU ; Wen LIU ; Yanhong GU ; Yin LU ; Lingdong KONG ; Xiangbao MENG ; Qiang XU ; Yang SUN
Acta Pharmaceutica Sinica B 2019;9(2):304-315
Tyrosine phosphatase SHP2 is a promising drug target in cancer immunotherapy due to its bidirectional role in both tumor growth promotion and T-cell inactivation. Its allosteric inhibitor SHP099 is known to inhibit cancer cell growth both and . However, whether SHP099-mediated SHP2 inhibition retards tumor growth anti-tumor immunity remains elusive. To address this, a CT-26 colon cancer xenograft model was established in mice since this cell line is insensitive to SHP099. Consequently, SHP099 minimally affected CT-26 tumor growth in immuno-deficient nude mice, but significantly decreased the tumor burden in CT-26 tumor-bearing mice with intact immune system. SHP099 augmented anti-tumor immunity, as shown by the elevated proportion of CD8IFN- T cells and the upregulation of cytotoxic T-cell related genes including , which decreased the tumor load. In addition, tumor growth in mice with SHP2-deficient T-cells was markedly slowed down because of enhanced anti-tumor responses. Finally, the combination of SHP099 and anti-PD-1 antibody showed a higher therapeutic efficacy than either monotherapy in controlling tumor growth in two colon cancer xenograft models, indicating that these agents complement each other. Our study suggests that SHP2 inhibitor SHP099 is a promising candidate drug for cancer immunotherapy.