This editorial provides a commentary on the recent article.The paper reviews current literature and explores innovative treatment strategies for lower extremity arteriosclerosis obliterans(LEASO)through an integrative...This editorial provides a commentary on the recent article.The paper reviews current literature and explores innovative treatment strategies for lower extremity arteriosclerosis obliterans(LEASO)through an integrative approach.It highlights the effectiveness of combination therapies that merge traditional Chinese medicine(TCM)with Western medical practices,suggesting that such integrative methods may improve patient compliance and outcomes through personalized care.This paper stresses the importance of rigorous clinical trials to evaluate the efficacy and safety of TCM interventions within LEASO treatment protocols,advocating for evidence-based validation of these combined therapies.Our recommendations emphasize accurate diagnosis,appropriate pharmacological in-terventions,the use of advanced surgical and endovascular techniques,and the inclusion of TCM to address underlying dysfunctions.Additionally,continuous monitoring,patient education,and lifestyle modifications are essential to slow disease progression and achieve optimal patient outcomes.The paper concludes by calling for further research to develop standardized treatment protocols that effectively integrate both Western and Chinese medical approaches in managing LEASO.展开更多
Objective:To analyze the clinical efficacy,progression-free survival,and safety of anlotinib in the treatment of advanced lung cancer.Methods:A retrospective analysis was conducted using data from 60 patients with adv...Objective:To analyze the clinical efficacy,progression-free survival,and safety of anlotinib in the treatment of advanced lung cancer.Methods:A retrospective analysis was conducted using data from 60 patients with advanced lung cancer treated with anlotinib from May 2019 to May 2021.This analysis aimed to comprehensively evaluate the clinical efficacy,progression-free survival,and adverse reactions of anlotinib.Results:The median progression-free survival(PFS)for the 60 patients was 5.79 months,with an overall response rate(ORR)of 21%and a disease control rate(DCR)of 90%.In the first-line group,the median PFS was 6.20 months,ORR was 76.92%,and DCR was 84.61%.The second-line group showed a median PFS of 6.30 months,ORR of 28.57%,and DCR of 90.48%.In the third-line group,the median PFS was 5.34 months,ORR was 19.23%,and DCR was 92.30%.The single-agent group exhibited a median PFS of 5.09 months,ORR of 23.33%,and DCR of 76.67%.In the combination group,the median PFS was 6.53 months,ORR was 46.67%,and DCR was 100%.The combination group demonstrated a significantly higher medication effect than the single-drug group,and adverse drug reactions were mostly grade 1-2.Conclusion:Anlotinib exhibits a better disease control rate and survival benefit in the treatment of advanced lung cancer.The combination effect is superior to monotherapy,with relatively controllable adverse effects.展开更多
Restorative cell-based therapies for experimental brain injury, such as stroke and traumatic brain injury,substantially improve functional outcome. We discuss and review state of the art magnetic resonance imaging met...Restorative cell-based therapies for experimental brain injury, such as stroke and traumatic brain injury,substantially improve functional outcome. We discuss and review state of the art magnetic resonance imaging methodologies and their applications related to cell-based treatment after brain injury. We focus on the potential of magnetic resonance imaging technique and its associated challenges to obtain useful new information related to cell migration, distribution, and quantitation, as well as vascular and neuronal remodeling in response to cell-based therapy after brain injury. The noninvasive nature of imaging might more readily help with translation of cell-based therapy from the laboratory to the clinic.展开更多
Aim: To observe the therapeutic effect of electroacupuncture (EA) in the treatment of vascular dementia. Methods: A total of 46 cases of vascular dementia (VD) patients were divided into 3 classes according to the sco...Aim: To observe the therapeutic effect of electroacupuncture (EA) in the treatment of vascular dementia. Methods: A total of 46 cases of vascular dementia (VD) patients were divided into 3 classes according to the scores of the revised Hasegawa dementia scale (HDS), and then randomized into EA group (n=23) and medication (Nimodipine) group (n=23). The acupoints used were "Zhisanzhen" [Shenting (GV 24) and bilateral Benshen (GB 13)] and Sishenchong (EX HN 1) etc.. Scores of HDS, ability of daily life (ADL), neurofunctional defect and main symptoms were used as the indexes for assessing the therapeutic effect. Results: Following treatment, scores of HDS and ADL of two groups increased significantly, while those of neurofunctional defect and main symptoms decreased evidently (P<0.01), and the therapeutic effect of EA was obviously superior to that of medication (P<0.01). Conclusion: EA of "Zhisanzhen" and Sishenchong (EX HN 1) is a good approach for treatment of VD.展开更多
Objective: To observe the relative specialty of the therapeutic effect of acupuncture of Baihui (百会 GV 20), Shuigou (水沟 GV 26) a nd Shenmen (神门 HT 7) in the treatment of vascular dementia (VD) patients. Methods:...Objective: To observe the relative specialty of the therapeutic effect of acupuncture of Baihui (百会 GV 20), Shuigou (水沟 GV 26) a nd Shenmen (神门 HT 7) in the treatment of vascular dementia (VD) patients. Methods: F ifty VD patients were randomly divided into routine treatment group (control gro up), Baihui (GV 20) group (GV 20 group), Shuigou (GV 26) group (GV 26 gr oup), Shenmen (HT 7) group (HT 7 group) a nd GV 20+GV 26+HT 7 group (joint treatment group), with 10 cases in ea ch group. In control group, acupoints used were Jianyu (肩NFDA1 LI 15), Quchi (曲池 L I 11), Waiguan (外关 TE 5), etc. (which were also used in the other four groups) on the paralyzed side. The treatment was conducted once a day except weekends, 20 session s all together. Clinical Dementia Rating Scale (CDR), Mini-Mental State Examin at ion (MMSE) test, Blessed Dementia Rating Scale (BDR) and Clinical Neurological D eficit Rating (CNDR) were used to assess the patients’ intelligence state befor e and after acupuncture treatment. Results: After acupuncture tr eatment, the VD patients’ intelligence in all the five groups was improved at different degrees . Additional acupuncture of each of GV 20, GV 26 and HT 7 had a remarkable e ffec t in improving the VD patients’ fluid intelligence, and could obviously promote their abilities of temporal orientation, spatial orientation and figure drawing ; and additional joint acupuncture of the three acupoints could improve their co gnitive and non-cognitive functions, such as reducing the severity of dementia , raising the temporal orientation, spatial orientation, calculation, short-term m emory and figure drawing abilities, and improving their activities of daily livi ng and personality. Besides, acupuncture of GV 20 could improve the abilities of calculation and short term memory, and correct the personality change of VD pat ients, while acupuncture of GV 26 could improve the abilities of naming and sh or t-term memory. Conclusion: Acupuncture of GV 20, GV 26 and HT 7 all had a certai n therapeutic effect in improving VD; the therapeutic effects of acupuncture of GV 20 and GV 26 were better than that of acupuncture of HT 7; and the effica cy of the three points used in combination was the best.展开更多
The effect of transfection of antisense vascular endothelial growth factor (VEGF) gene on the growth of hemangioma was studied. A total of 49 cases of capillary hemangiomas of the skin were collected. Immunohistoche...The effect of transfection of antisense vascular endothelial growth factor (VEGF) gene on the growth of hemangioma was studied. A total of 49 cases of capillary hemangiomas of the skin were collected. Immunohistochemical method was used to detect the expression of PCNA in hemangioma tissues. According to the finding, 49 cases of hemangiomas fell into proliferating phase (27 cases) and involuting phase (22 cases) respectively. Another 5 cases of normal skin tissues adjacent to the tumor tissues served as control. Immunohistochemical staining was performed to detect the expression of VEGF in the tumor tissues and the normal tissues. The average absorbance (A) values and the average positive area rate of VEGF were measured by image analysis system (HPIAS-2000). Endothelial cells from the tumor tissues in proliferating phase were cultured. Eukaryotic expression vector was constructed by sub-cloning, and transfected into human hemangioma endothelial cells by using cation liposome as vector. The expression of VEGF mRNA and protein was detected by RT-PCR and indirect immunofluorescence assay (IFA), respectively, and the biological characteristics of the transfected endothelial cells were examined by MTT assay and flow cytometry (FCM) after transfection. Immunohistochemical results showed that the expression of VEGF in proliferating endothelial cells was remarkably higher than those in involuting endothelial cells and normal endothelial cells (P〈0.01), but there was no significant difference in the expression of VEGF between involuting endothelial cells and normal ones (P〉0.01). Electrophoresis and sequencing indicated that the eukaryotic expression vector containing antisense VEGF gene, i.e. pcDNA3.1-VEGF, was success- fully constructed. After VEGF antisense RNA recombinant was transfected into hemangioma endothelial cells, RT-PCR revealed that the expression of VEGF mRNA in pcDNA-VEGF (V) group and blank group was obviously higher than that in pcDNA-VEGF (A) group, and that the expression of endogenous VEGF mRNA in pcDNA-VEGF (A) group was significantly inhibited. Immunohistochemical result demonstrated that, compared with blank group, there was statistically significant difference between pcDNA-VEGF (A) and pcDNA-VEGF (V) groups (P〈0.01), but there was no significant difference between pcDNA-VEGF (V) group and blank group (P〉0.05). The activity of endothelial cell proliferation was reduced significantly after transfection, and obvious apoptosis occurred in hemangioma endothelial cells after transfection of antisense VEGF. It was suggested that VEGF plays an important role in the pathological change of hemangiomas by promoting endothelial cell proliferation and angiogenesis. Antisense VEGF gene transfection could effectively inhibit the growth of hemanioma endothelial cells.展开更多
This article describes the evolution of minimally invasive intervention technologies for vascular restoration therapy from early-stage balloon angioplasty in 1970s,metallic bare metal stent and metallic drug-eluting s...This article describes the evolution of minimally invasive intervention technologies for vascular restoration therapy from early-stage balloon angioplasty in 1970s,metallic bare metal stent and metallic drug-eluting stent technologies in 1990s and 2000s,to bioresorbable vascular scaffold(BVS)technology in large-scale development in recent years.The history,the current stage,the challenges and the future of BVS development are discussed in detail as the best available approach for vascular restoration therapy.The criteria of materials selection,design and processing principles of BVS,and the corresponding clinical trial results are also summarized in this article.展开更多
publication. Study selection Clinical trials and case studies presented at medical conferences and published in peer-reviewed literature in the past decade were reviewed. Results Anti-VEGF agents have manifested great...publication. Study selection Clinical trials and case studies presented at medical conferences and published in peer-reviewed literature in the past decade were reviewed. Results Anti-VEGF agents have manifested great potential and promising outcomes in treating ocular neovascularization, though some of them are still used as off-label drugs. Intravitrea~ injection of anti-VEGF agents could be accompanied by devastating ocular or systemic complications, and intimate monitoring in both adult and pediatric population are warranted. Future directions should be focused on carrying out more well-designed large-scale controlled trials, promoting sustained duration of action, developing safer and more efficient generation of anti-VEGF agents. Conclusions Anti-VEGF treatment has proved to be beneficial in treating both anterior and posterior neovascular ocular diseases. However, more safer and affordable antiangiogenic agencies and regimens are warranted to be explored.展开更多
Background: Adipose tissue-derived stem cells (ASC) possess the ability to differentiate into adipocytes or endothelial cells to help in the adipogenesis, vasculogenesis and vascular repair. This study aims at determi...Background: Adipose tissue-derived stem cells (ASC) possess the ability to differentiate into adipocytes or endothelial cells to help in the adipogenesis, vasculogenesis and vascular repair. This study aims at determining the impact of high-fat diets (HFD)-induced type 2 diabetes (T2D) on the differentiation potential of ASC. Results: C57BL/6J male mice were fed a vegetal (VD) or an animal (AD) HFD. Isolation of ACS from mice showing different levels of metabolic alterations reveals that advanced T2D did not affect the number of cells per gram of tissue. Rather, a higher proportion of inflammatory CD36+ cells was identified in HFD fed mice. Despite a marked decreased expression of adipogenic genes (aP2, C/EBPα and PPARγ2), ASC from HFD groups had a higher adipogenic potential and a lower endothelial differentiation potential in vitro compared to control. ASC from the VD group had enhanced cyclin B1 expression and had more adipogenic potential compared to AD group. Conclusion: Our results demonstrate that the metabolic modifications, linked to the nature of fatty acids in diets, modulate the differentiation potential of ASC with increased adipogenesis to the detriment of the endothelial pathway. Results highlight the importance of evaluating the ASC differentiation behavior in a context of autologous cell-based therapy for the repair of vascular tissues in diabetic patients.展开更多
Superselective intra-arterial thrombolytic therapy with urokinase infusion was effective in 10 patients with acute cerebral vascular occlusion. PATIENTS AND METHODS In the 10 patients, 8 were men and 2 women. Their ...Superselective intra-arterial thrombolytic therapy with urokinase infusion was effective in 10 patients with acute cerebral vascular occlusion. PATIENTS AND METHODS In the 10 patients, 8 were men and 2 women. Their age ranged from 34 to 70 years.展开更多
Objective To explore the feasibility and efficacy of lentivirus-mediated co-transfection of rat bone marrow mesenchymal stem cells (MSCs) with human vascular endothelial growth factor 165 (hVEGFI65) gene and human...Objective To explore the feasibility and efficacy of lentivirus-mediated co-transfection of rat bone marrow mesenchymal stem cells (MSCs) with human vascular endothelial growth factor 165 (hVEGFI65) gene and human bone morphogenetic protein 2 (hBMP2) gene. Methods The hVEGF165 and hBMP2 cDNAs were obtained from human osteosarcoma cell line MG63 and cloned into lentiviral expression vectors designed to co-express the copepod green fluorescent protein (copGFP). The expression lentivector and packaging Plasmid Mix were co-transferred to 293TN cells, which produced the lentivirus carrying hVEGF165 (Lv-VEGF) or hBMP2 ( Lv-BMP) , respectively. MSCs of Wistar rats were co-transfected with Lv-BMP and Lv-VEGF (BMP + VEGF group), or each alone (BMP group and VEGF group), or with no virus ( Control group). The mRNA and protein expressions of hVEGF165 and hBMP2 genes in each group were detected by real-time PCR and enzyme linked immunosorbent assay (ELISA). Results Lentiviral expression vectors carrying hVEGF165 or hBMP2 were correctly constructed and confirmed by restriction endonucleses analysis and DNA sequencing analysis. A transfer efficiency up to 90% was archieved in all the transfected groups detected by the fraction of fluorescent cells using fluorescent microscopy. From the results generated by real-time PCR and ELISA, VEGF165 and BMP2 genes were co-expressed in BMP + VEGF group. No significant difference of BMP2 expression was detected between BMP + VEGF and BMP groups ( P 〉 0. 05). Similarly, there was no significant difference of VEGF165 expression between BMP + VEGF and VEGF groups ( P 〉 0. 05). Conclusion VEGF165 and BMP2 genes were successfully co-expressed in MSCs by lentivirus-mediated co-transfection, which provided a further foundation for the combined gene therapy of bone regeneration.展开更多
基金Supported by The Scientific Research Project of Guangdong Provincial Bureau of Traditional Chinese Medicine,China,No.2022ZYYJ01The Guangzhou Municipal Science and Technology Bureau's 2024 Basic and Applied Basic Research Topic,China,No.2024A04J4254.
文摘This editorial provides a commentary on the recent article.The paper reviews current literature and explores innovative treatment strategies for lower extremity arteriosclerosis obliterans(LEASO)through an integrative approach.It highlights the effectiveness of combination therapies that merge traditional Chinese medicine(TCM)with Western medical practices,suggesting that such integrative methods may improve patient compliance and outcomes through personalized care.This paper stresses the importance of rigorous clinical trials to evaluate the efficacy and safety of TCM interventions within LEASO treatment protocols,advocating for evidence-based validation of these combined therapies.Our recommendations emphasize accurate diagnosis,appropriate pharmacological in-terventions,the use of advanced surgical and endovascular techniques,and the inclusion of TCM to address underlying dysfunctions.Additionally,continuous monitoring,patient education,and lifestyle modifications are essential to slow disease progression and achieve optimal patient outcomes.The paper concludes by calling for further research to develop standardized treatment protocols that effectively integrate both Western and Chinese medical approaches in managing LEASO.
基金Key R&D Program of Yan’an Municipal Bureau of Science and Technology(Project No.2021YF-21)。
文摘Objective:To analyze the clinical efficacy,progression-free survival,and safety of anlotinib in the treatment of advanced lung cancer.Methods:A retrospective analysis was conducted using data from 60 patients with advanced lung cancer treated with anlotinib from May 2019 to May 2021.This analysis aimed to comprehensively evaluate the clinical efficacy,progression-free survival,and adverse reactions of anlotinib.Results:The median progression-free survival(PFS)for the 60 patients was 5.79 months,with an overall response rate(ORR)of 21%and a disease control rate(DCR)of 90%.In the first-line group,the median PFS was 6.20 months,ORR was 76.92%,and DCR was 84.61%.The second-line group showed a median PFS of 6.30 months,ORR of 28.57%,and DCR of 90.48%.In the third-line group,the median PFS was 5.34 months,ORR was 19.23%,and DCR was 92.30%.The single-agent group exhibited a median PFS of 5.09 months,ORR of 23.33%,and DCR of 76.67%.In the combination group,the median PFS was 6.53 months,ORR was 46.67%,and DCR was 100%.The combination group demonstrated a significantly higher medication effect than the single-drug group,and adverse drug reactions were mostly grade 1-2.Conclusion:Anlotinib exhibits a better disease control rate and survival benefit in the treatment of advanced lung cancer.The combination effect is superior to monotherapy,with relatively controllable adverse effects.
基金supported by NIH grants RO1 NS64134 and RO1 NS 48349
文摘Restorative cell-based therapies for experimental brain injury, such as stroke and traumatic brain injury,substantially improve functional outcome. We discuss and review state of the art magnetic resonance imaging methodologies and their applications related to cell-based treatment after brain injury. We focus on the potential of magnetic resonance imaging technique and its associated challenges to obtain useful new information related to cell migration, distribution, and quantitation, as well as vascular and neuronal remodeling in response to cell-based therapy after brain injury. The noninvasive nature of imaging might more readily help with translation of cell-based therapy from the laboratory to the clinic.
文摘Aim: To observe the therapeutic effect of electroacupuncture (EA) in the treatment of vascular dementia. Methods: A total of 46 cases of vascular dementia (VD) patients were divided into 3 classes according to the scores of the revised Hasegawa dementia scale (HDS), and then randomized into EA group (n=23) and medication (Nimodipine) group (n=23). The acupoints used were "Zhisanzhen" [Shenting (GV 24) and bilateral Benshen (GB 13)] and Sishenchong (EX HN 1) etc.. Scores of HDS, ability of daily life (ADL), neurofunctional defect and main symptoms were used as the indexes for assessing the therapeutic effect. Results: Following treatment, scores of HDS and ADL of two groups increased significantly, while those of neurofunctional defect and main symptoms decreased evidently (P<0.01), and the therapeutic effect of EA was obviously superior to that of medication (P<0.01). Conclusion: EA of "Zhisanzhen" and Sishenchong (EX HN 1) is a good approach for treatment of VD.
基金This studyis subsidized by China Post-doctorate Research Foundation (2004035030) .
文摘Objective: To observe the relative specialty of the therapeutic effect of acupuncture of Baihui (百会 GV 20), Shuigou (水沟 GV 26) a nd Shenmen (神门 HT 7) in the treatment of vascular dementia (VD) patients. Methods: F ifty VD patients were randomly divided into routine treatment group (control gro up), Baihui (GV 20) group (GV 20 group), Shuigou (GV 26) group (GV 26 gr oup), Shenmen (HT 7) group (HT 7 group) a nd GV 20+GV 26+HT 7 group (joint treatment group), with 10 cases in ea ch group. In control group, acupoints used were Jianyu (肩NFDA1 LI 15), Quchi (曲池 L I 11), Waiguan (外关 TE 5), etc. (which were also used in the other four groups) on the paralyzed side. The treatment was conducted once a day except weekends, 20 session s all together. Clinical Dementia Rating Scale (CDR), Mini-Mental State Examin at ion (MMSE) test, Blessed Dementia Rating Scale (BDR) and Clinical Neurological D eficit Rating (CNDR) were used to assess the patients’ intelligence state befor e and after acupuncture treatment. Results: After acupuncture tr eatment, the VD patients’ intelligence in all the five groups was improved at different degrees . Additional acupuncture of each of GV 20, GV 26 and HT 7 had a remarkable e ffec t in improving the VD patients’ fluid intelligence, and could obviously promote their abilities of temporal orientation, spatial orientation and figure drawing ; and additional joint acupuncture of the three acupoints could improve their co gnitive and non-cognitive functions, such as reducing the severity of dementia , raising the temporal orientation, spatial orientation, calculation, short-term m emory and figure drawing abilities, and improving their activities of daily livi ng and personality. Besides, acupuncture of GV 20 could improve the abilities of calculation and short term memory, and correct the personality change of VD pat ients, while acupuncture of GV 26 could improve the abilities of naming and sh or t-term memory. Conclusion: Acupuncture of GV 20, GV 26 and HT 7 all had a certai n therapeutic effect in improving VD; the therapeutic effects of acupuncture of GV 20 and GV 26 were better than that of acupuncture of HT 7; and the effica cy of the three points used in combination was the best.
基金supported by grants from the National Natural Sciences Foundation of China (No. 30872688)Hubei Province Scitech Bureau Department (No. 2003ABA164, 2004ABA155 and 2004AA301c107)Hubei Province Hygiene Department (No. JXIB075)
文摘The effect of transfection of antisense vascular endothelial growth factor (VEGF) gene on the growth of hemangioma was studied. A total of 49 cases of capillary hemangiomas of the skin were collected. Immunohistochemical method was used to detect the expression of PCNA in hemangioma tissues. According to the finding, 49 cases of hemangiomas fell into proliferating phase (27 cases) and involuting phase (22 cases) respectively. Another 5 cases of normal skin tissues adjacent to the tumor tissues served as control. Immunohistochemical staining was performed to detect the expression of VEGF in the tumor tissues and the normal tissues. The average absorbance (A) values and the average positive area rate of VEGF were measured by image analysis system (HPIAS-2000). Endothelial cells from the tumor tissues in proliferating phase were cultured. Eukaryotic expression vector was constructed by sub-cloning, and transfected into human hemangioma endothelial cells by using cation liposome as vector. The expression of VEGF mRNA and protein was detected by RT-PCR and indirect immunofluorescence assay (IFA), respectively, and the biological characteristics of the transfected endothelial cells were examined by MTT assay and flow cytometry (FCM) after transfection. Immunohistochemical results showed that the expression of VEGF in proliferating endothelial cells was remarkably higher than those in involuting endothelial cells and normal endothelial cells (P〈0.01), but there was no significant difference in the expression of VEGF between involuting endothelial cells and normal ones (P〉0.01). Electrophoresis and sequencing indicated that the eukaryotic expression vector containing antisense VEGF gene, i.e. pcDNA3.1-VEGF, was success- fully constructed. After VEGF antisense RNA recombinant was transfected into hemangioma endothelial cells, RT-PCR revealed that the expression of VEGF mRNA in pcDNA-VEGF (V) group and blank group was obviously higher than that in pcDNA-VEGF (A) group, and that the expression of endogenous VEGF mRNA in pcDNA-VEGF (A) group was significantly inhibited. Immunohistochemical result demonstrated that, compared with blank group, there was statistically significant difference between pcDNA-VEGF (A) and pcDNA-VEGF (V) groups (P〈0.01), but there was no significant difference between pcDNA-VEGF (V) group and blank group (P〉0.05). The activity of endothelial cell proliferation was reduced significantly after transfection, and obvious apoptosis occurred in hemangioma endothelial cells after transfection of antisense VEGF. It was suggested that VEGF plays an important role in the pathological change of hemangiomas by promoting endothelial cell proliferation and angiogenesis. Antisense VEGF gene transfection could effectively inhibit the growth of hemanioma endothelial cells.
文摘This article describes the evolution of minimally invasive intervention technologies for vascular restoration therapy from early-stage balloon angioplasty in 1970s,metallic bare metal stent and metallic drug-eluting stent technologies in 1990s and 2000s,to bioresorbable vascular scaffold(BVS)technology in large-scale development in recent years.The history,the current stage,the challenges and the future of BVS development are discussed in detail as the best available approach for vascular restoration therapy.The criteria of materials selection,design and processing principles of BVS,and the corresponding clinical trial results are also summarized in this article.
基金This work was supported by grants from the Key Chmc Medicine Research Program, the Ministry of Health, China (No. 201302015), the National Science and Technology Research Program, the Ministry of Science and Technology, China (No. 2012BAI08B01), the National Natural Science Foundation of China (Nos. 81170817, 81200658), and the Scientific Research Program, Science and Technology Commission of Shanghai Municipality, Shanghai (Nos. 13441900900, 13430720400, 134119a8800, 13430710500).
文摘publication. Study selection Clinical trials and case studies presented at medical conferences and published in peer-reviewed literature in the past decade were reviewed. Results Anti-VEGF agents have manifested great potential and promising outcomes in treating ocular neovascularization, though some of them are still used as off-label drugs. Intravitrea~ injection of anti-VEGF agents could be accompanied by devastating ocular or systemic complications, and intimate monitoring in both adult and pediatric population are warranted. Future directions should be focused on carrying out more well-designed large-scale controlled trials, promoting sustained duration of action, developing safer and more efficient generation of anti-VEGF agents. Conclusions Anti-VEGF treatment has proved to be beneficial in treating both anterior and posterior neovascular ocular diseases. However, more safer and affordable antiangiogenic agencies and regimens are warranted to be explored.
基金This project was supported financially by grants from the Fondation des maladies du Coeur du Québec and from the Fondation de l’Institutde Cardiologie de Montréal to Dr Jean-Francois Tanguay.
文摘Background: Adipose tissue-derived stem cells (ASC) possess the ability to differentiate into adipocytes or endothelial cells to help in the adipogenesis, vasculogenesis and vascular repair. This study aims at determining the impact of high-fat diets (HFD)-induced type 2 diabetes (T2D) on the differentiation potential of ASC. Results: C57BL/6J male mice were fed a vegetal (VD) or an animal (AD) HFD. Isolation of ACS from mice showing different levels of metabolic alterations reveals that advanced T2D did not affect the number of cells per gram of tissue. Rather, a higher proportion of inflammatory CD36+ cells was identified in HFD fed mice. Despite a marked decreased expression of adipogenic genes (aP2, C/EBPα and PPARγ2), ASC from HFD groups had a higher adipogenic potential and a lower endothelial differentiation potential in vitro compared to control. ASC from the VD group had enhanced cyclin B1 expression and had more adipogenic potential compared to AD group. Conclusion: Our results demonstrate that the metabolic modifications, linked to the nature of fatty acids in diets, modulate the differentiation potential of ASC with increased adipogenesis to the detriment of the endothelial pathway. Results highlight the importance of evaluating the ASC differentiation behavior in a context of autologous cell-based therapy for the repair of vascular tissues in diabetic patients.
文摘Superselective intra-arterial thrombolytic therapy with urokinase infusion was effective in 10 patients with acute cerebral vascular occlusion. PATIENTS AND METHODS In the 10 patients, 8 were men and 2 women. Their age ranged from 34 to 70 years.
基金Supported by Key Program of Shanghai Science and Technology Committee (054119520)
文摘Objective To explore the feasibility and efficacy of lentivirus-mediated co-transfection of rat bone marrow mesenchymal stem cells (MSCs) with human vascular endothelial growth factor 165 (hVEGFI65) gene and human bone morphogenetic protein 2 (hBMP2) gene. Methods The hVEGF165 and hBMP2 cDNAs were obtained from human osteosarcoma cell line MG63 and cloned into lentiviral expression vectors designed to co-express the copepod green fluorescent protein (copGFP). The expression lentivector and packaging Plasmid Mix were co-transferred to 293TN cells, which produced the lentivirus carrying hVEGF165 (Lv-VEGF) or hBMP2 ( Lv-BMP) , respectively. MSCs of Wistar rats were co-transfected with Lv-BMP and Lv-VEGF (BMP + VEGF group), or each alone (BMP group and VEGF group), or with no virus ( Control group). The mRNA and protein expressions of hVEGF165 and hBMP2 genes in each group were detected by real-time PCR and enzyme linked immunosorbent assay (ELISA). Results Lentiviral expression vectors carrying hVEGF165 or hBMP2 were correctly constructed and confirmed by restriction endonucleses analysis and DNA sequencing analysis. A transfer efficiency up to 90% was archieved in all the transfected groups detected by the fraction of fluorescent cells using fluorescent microscopy. From the results generated by real-time PCR and ELISA, VEGF165 and BMP2 genes were co-expressed in BMP + VEGF group. No significant difference of BMP2 expression was detected between BMP + VEGF and BMP groups ( P 〉 0. 05). Similarly, there was no significant difference of VEGF165 expression between BMP + VEGF and VEGF groups ( P 〉 0. 05). Conclusion VEGF165 and BMP2 genes were successfully co-expressed in MSCs by lentivirus-mediated co-transfection, which provided a further foundation for the combined gene therapy of bone regeneration.