1
|
Chen X, Ge L, Wan H, Jiang Y, Huang L, Pan T, Lu G, Zhang X. Measurement of sinus wall thickness and wall enhancement index in dural arteriovenous fistulae by magnetic resonance vessel wall imaging. Magn Reson Imaging 2024:S0730-725X(24)00108-5. [PMID: 38579973 DOI: 10.1016/j.mri.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND Dural sinus wall thickness and wall enhancement index (WEI) of dural arteriovenous fistulae (DAVFs) have not been well characterized. This study aimed to measure the sinus wall thickness and WEI by using magnetic resonance vessel wall imaging (MR-VWI). METHODS A total 27 DAVF patients and 30 normal healthy individuals were enrolled in this study. All participants were scanned by a 3 T MR scanner with the black blood sequence. The wall thickness and the WEI of the great cerebral vein, the intracranial main dural sinuses with DAVFs, and the contralateral sinuses were measured by two independent neuroradiologists. RESULTS The DAVF-affected sinuses had significantly thicker walls (2.277 ± 0.311 mm vs. 1.446 ± 0.188 mm, P < 0.001) and significantly higher WEI (2.253 ± 0.462 vs. 1.173 ± 0.418, P < 0.001) compared to the contralateral ones. They also had significantly thicker walls (2.277 ± 0.311 mm vs. 1.643 ± 0.173 mm, P < 0.001) and significantly higher WEI (2.253 ± 0.462 vs. 1.124 ± 0.254, P < 0.001) compared to the normal controls. Neither the sinus wall thickness (r = -0.317, P = 0.107) nor the WEI (r = 0.019, P = 0.923) was significantly correlated with the Cognard types in DAVF patients. The WEI of the DAVF draining vein was significantly higher compared to the static venous wall (1.972 ± 0.629 vs. 0.532 ± 0.243, P < 0.001). CONCLUSION T1-CUBE MRI is useful in measuring sinus all thickness and WEI of DAVFs, providing a new method for diagnosing this disease.
Collapse
Affiliation(s)
- Xi Chen
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ting Pan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China.
| |
Collapse
|
2
|
Jiang Y, Ge L, Lu G, Wan H, Chen Q, Zou R, Leng X, Xiang J, Zhang X. Wall enhancement predictive of abnormal hemodynamics and ischemia in vertebrobasilar non-saccular aneurysms: a pilot study. Front Neurol 2023; 14:1108904. [PMID: 37333010 PMCID: PMC10272805 DOI: 10.3389/fneur.2023.1108904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 05/09/2023] [Indexed: 06/20/2023] Open
Abstract
Objective To analyze how wall enhancement affects hemodynamics and cerebral ischemic risk factors in vertebrobasilar non-saccular intracranial aneurysms (VBNIAs). Materials and methods Ten consecutive non-saccular aneurysms were collected, including three transitional vertebrobasilar dolichoectasia (TVBD). A wall enhancement model was quantitatively constructed to analyze how wall enhancement interacts with hemodynamics and cerebral ischemic factors. Results Enhanced area revealed low wall shear stress (WSS) and wall shear stress gradient (WSSG), with high oscillatory shear index (OSI), relative residence time (RRT), and gradient oscillatory number (GON) while the vortex and slow flow region in fusiform aneurysms are similar to TVBD fusiform aneurysms. With low OSI, high RRT and similar GON in the dilated segment, the enhanced area still manifests low WSS and WSSG in the slow flow area with no vortex. In fusiform aneurysms, wall enhancement was negatively correlated with WSS (except for case 71, all p values < 0.05, r = -0.52 ~ -0.95), while wall enhancement was positively correlated with OSI (except for case 5, all p values < 0.05, r = 0.50 ~ 0.83). For the 10 fusiform aneurysms, wall enhancement is significantly positively correlated with OSI (p = 0.0002, r = 0.75) and slightly negatively correlated with WSS (p = 0.196, r = -0.30) throughout the dataset. Aneurysm length, width, low wall shear stress area (LSA), high OSI, low flow volume (LFV), RRT, and high aneurysm-to-pituitary stalk contrast ratio (CRstalk) area plus proportion may be predictive of cerebral ischemia. Conclusion A wall enhancement quantitative model was established for vertebrobasilar non-saccular aneurysms. Low WSS was negatively correlated with wall enhancement, while high OSI was positively correlated with wall enhancement. Fusiform aneurysm hemodynamics in TVBD are similar to simple fusiform aneurysms. Cerebral ischemia risk appears to be correlated with large size, high OSI, LSA, and RRT, LFV, and wall enhancement.
Collapse
Affiliation(s)
- Yeqing Jiang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Huashan Hospital, Fudan University, Shanghai, China
| | - Hailin Wan
- Huashan Hospital, Fudan University, Shanghai, China
| | - Qi Chen
- ArteryFlow Technology Co., Ltd, Hangzhou, China
| | - Rong Zou
- ArteryFlow Technology Co., Ltd, Hangzhou, China
| | | | | | | |
Collapse
|
3
|
Wan H, Lu G, Huang L, Ge L, Jiang Y, Zhang X. Comparison of Solitaire and Neuroform Stenting for Coiling of Intracranial Bifurcation Aneurysms. Interv Neuroradiol 2023; 29:165-171. [PMID: 35234080 PMCID: PMC10152827 DOI: 10.1177/15910199221081249] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/18/2022] [Accepted: 01/31/2022] [Indexed: 11/16/2022] Open
Abstract
PURPOSE To compare the technical performance and outcomes of Solitaire and Neuroform stents for treatment of intracranial bifurcation aneurysms (IBAs). METHODS IBAs treated by stent-assisted coiling using a Solitaire or Neuroform stent between October 2010 and December 2019 were retrospectively evaluated. Patient demographics, aneurysm information, treatment technique, periprocedural and device-related complications, parent artery angle change, along with initial and follow-up angiographic results were analyzed. RESULTS One hundred twenty-one patients with 121 IBAs treated with Solitaire (n = 101) or Neuroform (n = 20) stent-assisted coiling were included. Aneurysm size, thrombotic and hemorrhagic complication rate, initial occlusion rate and in-stent stenosis between the two cohorts were not significantly different. Aneurysm location was significantly different between the two groups (p = 0.032). Jailing technique rate for coiling was significantly higher in the Solitaire than the Neuroform group (70.3% vs. 35.0%, p < 0.01). Follow-up DSA demonstrated a significantly lower recurrence rate for the Solitaire cohort (2.9% vs. 22.2%, p = 0.016). Parent artery angle changes, immediately post-operative and on follow-up were significantly greater in the Solitaire stent group (p < 0.05). CONCLUSIONS For intracranial bifurcation aneurysms, Solitaire stent-assisted coiling achieved a significantly lower recurrence rate and induced more favorable parent artery angular remodeling than Neuroform stenting.
Collapse
Affiliation(s)
- Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai
200040, China
| |
Collapse
|
4
|
Damen AHA, van Donkelaar CC, Sharma PK, Wan H, Cardinaels R, Schmidt TA, Ito K. Friction reducing ability of a poly-l-lysine and dopamine modified hyaluronan coating for polycaprolactone cartilage resurfacing implants. J Biomed Mater Res B Appl Biomater 2023. [PMID: 36959715 DOI: 10.1002/jbm.b.35251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 01/05/2023] [Accepted: 03/12/2023] [Indexed: 03/25/2023]
Abstract
Frictional properties of cartilage resurfacing implants should be sufficiently low to limit damaging of the opposing cartilage during articulation. The present study determines if native lubricious molecule proteoglycan 4 (PRG4) can adsorb onto a layer-by-layer bioinspired coating composed of poly-l-lysine (PLL) and dopamine modified hyaluronic acid (HADN) and thereby can reduce the friction between implant and articular cartilage. An ELISA was developed to quantify the amount of immobilized human recombinant (rh)PRG4 after exposure to the PLL-HADN coating. The effect on lubrication was evaluated by comparing the coefficient of friction (CoF) of bare polycaprolactone (PCL) disks to that of PLL-HADN coated PCL disks while articulated against cartilage using a ring-on-disk geometry and a lubricant solution consisting of native synovial fluid components including rhPRG4. The PLL-HADN coating effectively immobilized rhPRG4. The surface roughness of PCL disks significantly increased while the water contact angle significantly decreased after application of the coating. The average CoF measured during the first minute of bare PCL against cartilage exceeded twice the CoF of the PLL-HADN coated PCL against cartilage. After 60 min, the CoF reached equilibrium values which were still significantly higher for bare PCL compared to coated PCL. The present study demonstrated that PCL can effectively be coated with PLL-HADN. Additionally, this coating reduces the friction between PCL and cartilage when a PRG4-rich lubricant is used, similar to the lubricating surface of native cartilage. This makes PLL-HADN coating a promising application to improve the clinical success of PCL-based cartilage resurfacing implants.
Collapse
Affiliation(s)
- A H A Damen
- Department of Biomedical Engineering, Orthopaedic Biomechanics, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - C C van Donkelaar
- Department of Biomedical Engineering, Orthopaedic Biomechanics, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - P K Sharma
- Department of Biomedical Engineering, University Medical Center Groningen, Groningen, The Netherlands
| | - H Wan
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - R Cardinaels
- Department of Chemical Engineering, Soft Matter, Rheology and Technology, KU Leuven, Leuven, Belgium
- Department of Mechanical Engineering, Polymer Technology, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - T A Schmidt
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - K Ito
- Department of Biomedical Engineering, Orthopaedic Biomechanics, Eindhoven University of Technology, Eindhoven, The Netherlands
| |
Collapse
|
5
|
Chen X, Ge L, Wan H, Huang L, Jiang Y, Lu G, Wang J, Zhang X. Multimodal MRI diagnosis and transvenous embolization of a basicranial emissary vein dural arteriovenous fistula: A case report. J Interv Med 2023; 6:41-45. [PMID: 37180366 PMCID: PMC10167501 DOI: 10.1016/j.jimed.2022.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/03/2022] [Accepted: 07/24/2022] [Indexed: 11/17/2022] Open
Abstract
A dural arteriovenous fistula (DAVF) is an abnormal linkage connecting the arterial and venous systems within the intracranial dura mater. A basicranial emissary vein DAVF drains into the cavernous sinus and the ophthalmic vein, similar to a cavernous sinus DAVF. Precise preoperative identification of the DAVF location is a prerequisite for appropriate treatment. Treatment options include microsurgical disconnection, endovascular transarterial embolization (TAE), transvenous embolization (TVE), or a combination thereof. TVE is an increasingly popular approach for the treatment of DAVFs and the preferred approach for skull base locations, due to the risk of cranial neuropathy caused by dangerous anastomosis from arterial approaches. Multimodal magnetic resonance imaging (MRI) can provide anatomical and hemodynamic information for TVE. The therapeutic target must be precisely embolized in the emissary vein, which requires guidance via multimodal MRI. Here, we report a rare case of successful TVE for a basicranial emissary vein DAVF, utilizing multimodal MRI assistance. The fistula had vanished, pterygoid plexus drainage had improved, and the inferior petrosal sinus had recanalized, as observed on 8-month follow-up angiography. Symptoms and signs of double vision, caused by abduction deficiency, disappeared. Detailed anatomic and hemodynamic assessment by multimodal MRI is the key to guiding successful diagnosis and treatment.
Collapse
Affiliation(s)
| | | | - Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jing Wang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| |
Collapse
|
6
|
Wang J, Fu S, Wan H, Zheng NF, Ouyang NT, Guan Z, Zeng H. [Fatal macrofollicular variant of papillary thyroid carcinoma:report of a case]. Zhonghua Bing Li Xue Za Zhi 2022; 51:1174-1177. [PMID: 36323553 DOI: 10.3760/cma.j.cn112151-20220725-00650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Affiliation(s)
- J Wang
- Department of Cellular and Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - S Fu
- Department of Cellular and Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - H Wan
- Department of Cellular and Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - N F Zheng
- Department of Cellular and Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - N T Ouyang
- Department of Cellular and Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Z Guan
- Department of Otolaryngology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - H Zeng
- Department of Pathology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| |
Collapse
|
7
|
Jiang Y, Lu G, Ge L, Zou R, Li G, Wan H, Leng X, Xiang J, Zhang X. Hemodynamic Comparison of Treatment Strategies for Intracranial Vertebral Artery Fusiform Aneurysms. Front Neurol 2022; 13:927135. [PMID: 35873788 PMCID: PMC9296783 DOI: 10.3389/fneur.2022.927135] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 06/06/2022] [Indexed: 11/23/2022] Open
Abstract
Objective This study comparatively analyzed the hemodynamic changes resulting from various simulated stent-assisted embolization treatments to explore an optimal treatment strategy for intracranial vertebral artery fusiform aneurysms. An actual vertebral fusiform aneurysm case treated by large coil post-stenting (PLCS) was used as a control. Materials and Methods A single case of an intracranial vertebral artery fusiform aneurysm underwent a preoperative and eight postoperative finite element treatment simulations: PLCS [single and dual Low-profile Visualized Intraluminal Support (LVIS)], Jailing technique (single and dual LVIS both simulated twice, Pipeline Embolization Device (PED) with or without large coils (LCs). Qualitative and quantitative assessments were performed to analyze the most common hemodynamic risk factors for recurrence. Results Jailing technique and PED-only had a high residual flow volume (RFV) and wall shear stress (WSS) on the large curvature of the blood flow impingement region. Quantitative analysis determined that PLSC and PED had a lower RFV compared to preoperative than did the jailing technique [PED+LC 2.46% < PLCS 1.2 (dual LVIS) 4.75% < PLCS 1.1 (single LVIS) 6.34% < PED 6.58% < Jailing 2.2 12.45% < Jailing 1.2 12.71% < Jailing 1.1 14.28% < Jailing 2.1 16.44%]. The sac-averaged flow velocity treated by PLCS, PED and PED+LC compared to preoperatively was significantly lower than the jailing technique [PED+LC = PLCS 1.2 (dual LVIS) 17.5% < PLCS 1.1 (single LVIS) = PED 27.5% < Jailing 1.2 = Jailing 2.2 32.5% < Jailing 1.1 37.5% < Jailing 2.1 40%]. The sac-averaged WSS for the PLCS 1.2 (dual LVIS) model was lower than the PED+LC, while the high WSS area of the Jailing 1 model was larger than for Jailing 2 [PLCS 1.2 38.94% (dual LVIS) < PED+LC 41% < PLCS 1.1 43.36% (single LVIS) < PED 45.23% < Jailing 2.1 47.49% < Jailing 2.2 47.79% < Jailing 1.1 48.97% < Jailing 1.2 49.85%]. Conclusions For fusiform aneurysms, post large coil stenting can provide a uniform coil configuration potentially reducing the hemodynamic risk factors of recurrence. Flow diverters also may reduce the recurrence risk, with long-term follow-up required, especially to monitor branch blood flow to prevent postoperative ischemia.
Collapse
Affiliation(s)
- Yeqing Jiang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Huashan Hospital, Fudan University, Shanghai, China
| | - Rong Zou
- ArteryFlow Technology Co., Ltd, Hangzhou, China
| | - Gaohui Li
- ArteryFlow Technology Co., Ltd, Hangzhou, China
| | - Hailin Wan
- Huashan Hospital, Fudan University, Shanghai, China
| | | | - Jianping Xiang
- ArteryFlow Technology Co., Ltd, Hangzhou, China
- *Correspondence: Jianping Xiang
| | - Xiaolong Zhang
- Huashan Hospital, Fudan University, Shanghai, China
- Xiaolong Zhang
| |
Collapse
|
8
|
Chen X, Ge L, Wan H, Huang L, Jiang Y, Lu G, Zhang X. Onyx embolization of a spinal epidural hemorrhage caused by thoracic spinal epidural arteriovenous fistula: A case report and literature review. J Interv Med 2022; 5:111-115. [PMID: 35936657 PMCID: PMC9349020 DOI: 10.1016/j.jimed.2022.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 11/28/2022] Open
Abstract
Spinal epidural hemorrhages (SEDH) caused by spinal epidural arteriovenous fistulas (SEAVFs) are rare; thus, their specific pathogenesis has not been explained. Furthermore, the standard treatment for SEAVFs has not yet been defined. Here we report the case of a 36-year-old Chinese man who experienced acute onset chest pain and tightness. His symptoms rapidly aggravated until the lower limbs were unable to support him. Spinal magnetic resonance angiography (MRA) revealed a localized SEAVF and a secondary spinal cord lesion at the T4 level. Digital subtraction angiography (DSA) confirmed the presence of the SEDH/SEAVF at the T3-4 level with the left radicular artery feeding the fistula. Based on DSA and MRA findings, SEDH, local spinal cord infarction, and spinal venous reflux disorder were conditionally diagnosed. Using the arterial route, Onyx-34 was injected into the fistula to embolize the feeding arteries and the venous system. Angiography was performed after the microcatheter was withdrawn, and no residual fistula or anterior spinal artery was observed. The six-week follow-up MRI showed acceptable healing of the SEAVF, and the patient improved neurologically. This case suggests that endovascular treatment with Onyx-34 embolization should be considered a promising treatment strategy for this type of complicated SEAVF.
Collapse
Affiliation(s)
| | | | - Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| |
Collapse
|
9
|
Jiang Y, Di R, Lu G, Huang L, Wan H, Ge L, Zhang X. Long-Term Outcomes of Stenting on Non-Acute Phase Extracranial Supra-Aortic Dissections. J Korean Neurosurg Soc 2022; 65:422-429. [PMID: 35462523 PMCID: PMC9082125 DOI: 10.3340/jkns.2021.0198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/27/2021] [Indexed: 11/27/2022] Open
Abstract
Objective Methods Results Conclusion
Collapse
|
10
|
Jiang Y, Ge L, Huang L, Wan H, Lu G, Zhang X. Large postoperative inflow area predictive of recurrence for paraclinoid aneurysms treated by simple coiling. J Clin Neurosci 2022; 98:53-59. [DOI: 10.1016/j.jocn.2022.01.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 12/13/2021] [Accepted: 01/22/2022] [Indexed: 11/17/2022]
|
11
|
Salzmann M, Ferrachat S, Tully C, Münch S, Watson‐Parris D, Neubauer D, Siegenthaler‐Le Drian C, Rast S, Heinold B, Crueger T, Brokopf R, Mülmenstädt J, Quaas J, Wan H, Zhang K, Lohmann U, Stier P, Tegen I. The Global Atmosphere-aerosol Model ICON-A-HAM2.3-Initial Model Evaluation and Effects of Radiation Balance Tuning on Aerosol Optical Thickness. J Adv Model Earth Syst 2022; 14:e2021MS002699. [PMID: 35860306 PMCID: PMC9285428 DOI: 10.1029/2021ms002699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 02/28/2022] [Accepted: 03/12/2022] [Indexed: 06/15/2023]
Abstract
The Hamburg Aerosol Module version 2.3 (HAM2.3) from the ECHAM6.3-HAM2.3 global atmosphere-aerosol model is coupled to the recently developed icosahedral nonhydrostatic ICON-A (icon-aes-1.3.00) global atmosphere model to yield the new ICON-A-HAM2.3 atmosphere-aerosol model. The ICON-A and ECHAM6.3 host models use different dynamical cores, parameterizations of vertical mixing due to sub-grid scale turbulence, and parameter settings for radiation balance tuning. Here, we study the role of the different host models for simulated aerosol optical thickness (AOT) and evaluate impacts of using HAM2.3 and the ECHAM6-HAM2.3 two-moment cloud microphysics scheme on several meteorological variables. Sensitivity runs show that a positive AOT bias over the subtropical oceans is remedied in ICON-A-HAM2.3 because of a different default setting of a parameter in the moist convection parameterization of the host models. The global mean AOT is biased low compared to MODIS satellite instrument retrievals in ICON-A-HAM2.3 and ECHAM6.3-HAM2.3, but the bias is larger in ICON-A-HAM2.3 because negative AOT biases over the Amazon, the African rain forest, and the northern Indian Ocean are no longer compensated by high biases over the sub-tropical oceans. ICON-A-HAM2.3 shows a moderate improvement with respect to AOT observations at AERONET sites. A multivariable bias score combining biases of several meteorological variables into a single number is larger in ICON-A-HAM2.3 compared to standard ICON-A and standard ECHAM6.3. In the tropics, this multivariable bias is of similar magnitude in ICON-A-HAM2.3 and in ECHAM6.3-HAM2.3. In the extra-tropics, a smaller multivariable bias is found for ICON-A-HAM2.3 than for ECHAM6.3-HAM2.3.
Collapse
Affiliation(s)
- M. Salzmann
- Institute for MeteorologyUniversität LeipzigLeipzigGermany
| | - S. Ferrachat
- Institute of Atmospheric and Climate ScienceETH ZürichZürichSwitzerland
| | - C. Tully
- Institute of Atmospheric and Climate ScienceETH ZürichZürichSwitzerland
| | - S. Münch
- Institute of Atmospheric and Climate ScienceETH ZürichZürichSwitzerland
| | - D. Watson‐Parris
- Atmospheric, Oceanic and Planetary PhysicsDepartment of PhysicsUniversity of OxfordOxfordUK
| | - D. Neubauer
- Institute of Atmospheric and Climate ScienceETH ZürichZürichSwitzerland
| | | | - S. Rast
- Max Planck Institute for MeteorologyHamburgGermany
| | - B. Heinold
- Leibniz Institute for Tropospheric ResearchLeipzigGermany
| | - T. Crueger
- Max Planck Institute for MeteorologyHamburgGermany
| | - R. Brokopf
- Max Planck Institute for MeteorologyHamburgGermany
| | - J. Mülmenstädt
- Institute for MeteorologyUniversität LeipzigLeipzigGermany
- Now at Pacific Northwest National LaboratoryRichlandWAUSA
| | - J. Quaas
- Institute for MeteorologyUniversität LeipzigLeipzigGermany
| | - H. Wan
- Pacific Northwest National LaboratoryRichlandWAUSA
| | - K. Zhang
- Pacific Northwest National LaboratoryRichlandWAUSA
| | - U. Lohmann
- Institute of Atmospheric and Climate ScienceETH ZürichZürichSwitzerland
| | - P. Stier
- Atmospheric, Oceanic and Planetary PhysicsDepartment of PhysicsUniversity of OxfordOxfordUK
| | - I. Tegen
- Leibniz Institute for Tropospheric ResearchLeipzigGermany
| |
Collapse
|
12
|
Wan H, Lu G, Ge L, Huang L, Jiang Y, Leng X, Xiang J, Zhang X. Hemodynamic Effects of Stent-Induced Straightening of Parent Artery vs. Stent Struts for Intracranial Bifurcation Aneurysms. Front Neurol 2022; 12:802413. [PMID: 35211076 PMCID: PMC8862758 DOI: 10.3389/fneur.2021.802413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/20/2021] [Indexed: 11/13/2022] Open
Abstract
Objective This study aims to compare the hemodynamic impact of stent-mesh and stent-induced straightening of the parent artery in intracranial bifurcation aneurysms using finite element method simulation. Material and Methods Three intracranial bifurcation aneurysms treated with different stent-assisted coil embolization were evaluated. Simulation using the finite element method was conducted for Solitaire, LVIS and Neuroform stents. Four models of each stent were established, including a pre-treatment baseline, stenting without parent artery straightening (presented as stent-mesh effect), no-stent with parent artery reconstruction (to reveal the straightening impact), and stenting with straightening (categorized as Models I–IV respectively). Hemodynamic characteristics of the four models for each stent were compared. Results In the Neuroform stent, compared with the pre-treatment model (100%), the mean WSS decreased to 82.3, 71.4, and 57.0% in Models II-IV, velocity to 88.3, 74.4, and 62.8%, and high flow volume (HFV, >0.3 m/s) to 77.7, 44.0, and 19.1%. For the LVIS stent, the mean WSS changed to 105.0, 40.2, and 39.8% in Models II to IV; velocity to 91.2, 58.1, and 52.5%, and HFV to 92.0, 56.1, and 43.9%. For the Solitaire stent, compared with the pre-treatment model (100%), the mean WSS of Models II-IV changed altered by 105.7, 42.6, and 39.4%, sac-averaged velocity changed to 111.3, 46.6, and 42.8%, and HFV 115.6, 15.1, and 13.6%. Conclusion The hemodynamic effect of straightening the parent artery of intracranial bifurcation aneurysms by stenting was noticeably improved over stent mesh diversion in all three stents tested. Therefore stent-induced remodeling of the parent artery appears to be the best method of decreasing recurrence in intracranial bifurcation aneurysms.
Collapse
Affiliation(s)
- Hailin Wan
- Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Huang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Huashan Hospital, Fudan University, Shanghai, China
| | | | | | | |
Collapse
|
13
|
Pan T, Lu G, Ge L, Jiang Y, Wan H, Xu S, Zhang X. A low-grade cerebral arteriovenous malformation suspected of being a metastatic tumor: A case report and literature review. J Interv Med 2022; 5:40-45. [PMID: 35586284 PMCID: PMC8947987 DOI: 10.1016/j.jimed.2021.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/29/2021] [Accepted: 12/30/2021] [Indexed: 11/23/2022] Open
Abstract
Cases of low-grade cerebral arteriovenous malformations (cAVMs) showing dynamic changes and large areas of brain edema on short-term MRI follow-up have rarely been reported. This report describes an incidentally discovered and initially misdiagnosed cAVM in a patient with malignancies. The presence of abnormal signals surrounded by large areas of brain edema combined with tortuous or dilated vessels indicates the possibility of an AVM, especially in young people.
Collapse
Affiliation(s)
- Ting Pan
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Hailin Wan
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Shu Xu
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaolong Zhang
- Department of Radiology, Affiliated Huashan Hospital, Fudan University, Shanghai, China
| |
Collapse
|
14
|
Chen X, Wang J, Ge L, Lu G, Wan H, Jiang Y, Yao Z, Deng G, Zhang X. A fibrin targeted molecular imaging evaluation of microvascular no-reflow in acute ischemic stroke. Brain Behav 2022; 12:e2474. [PMID: 35025138 PMCID: PMC8865146 DOI: 10.1002/brb3.2474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/21/2021] [Accepted: 12/13/2021] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE To investigate the relationship between fibrin deposition and "no-reflow" within microcirculation after thrombolysis in acute ischemic stroke (AIS). MATERIALS AND METHODS Experiments were approved by the institutional animal care and use committee. An experimental AIS model was induced in C57BL/6 mice by middle cerebral artery occlusion (MCAO) via the photothrombotic method. Mice were randomly assigned to non-thrombolytic or thrombolytic treated groups (n = 12 per group). The modified Neurological Severity Score and Fast Beam Balance Test were performed by a researcher blinded to the treatment method. MRI was utilized to evaluate all of the mice. An FXIIIa-targeted probe was applied to detect fibrin deposition in acute ischemic brain regions by fluorescence imaging. Necrosis and pathological changes of brain tissue were estimated via Hematoxylin and eosin staining while fibrin deposition was observed by immunohistochemistry. RESULTS Thrombolytic therapy improved AIS clinical symptoms. The infarct area of non-thrombolytic treated mice was significantly greater than that of the thrombolytic treated mice (p < .0001). Fluorescent imaging indicated fibrin deposition in ischemic brain tissue in both groups, with less fibrin in non-thrombolytic treated mice than thrombolytic treated mice, though the difference was not significant. Brain cells with abnormal morphology, necrosis, and liquefication were observed in the infarcted area for both groups. Clotted red blood cells (RBCs) and fibrin build-up in capillaries were found near the ischemic area in both non-thrombolytic and thrombolytic treated groups of mice. CONCLUSION Fibrin deposition and stacked RBCs contribute to microcirculation no-reflow in AIS after thrombolytic therapy.
Collapse
Affiliation(s)
- Xi Chen
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jing Wang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhenwei Yao
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Deng
- Department of Intervention and Vascular Surgery, Zhongda Hospital, Southeast University, Nanjing, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| |
Collapse
|
15
|
Wan H, Liu P, Liang Y, Jiang SY, Lyu L, Zhang ZW, Wu N, Liu Y. [Prognostic evaluation value of (18)F-FDG PET-CT in Hodgkin's lymphoma after treatment]. Zhonghua Zhong Liu Za Zhi 2021; 43:1275-1281. [PMID: 34915636 DOI: 10.3760/cma.j.cn112152-20191212-00799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the prognostic value of (18)F-fluorodeoxygen-D-glucose-positron emission tomography /computerized tomography ((18)F-FDG-PET-CT) in Hodgkin's lymphoma (HL) at the end of first-line treatment (PET-end), by comparing the ratio of maximum standardized uptake value (SUV(max)) of lesion and liver SUV (rLL), SUV(max) reduction between baseline PET (PET-0) and PET-end (ΔSUV(max)), and Deauville 5-point scale (5-PS). Methods: Patients with HL newly treated in our hospital from August 2006 to December 2015 were retrospectively analyzed. All the patients enrolled in the study underwent post-treatment FDG PET-CT. The rLL and ΔSUV(max) were calculated, and all the cases were scored using Deauville 5-PS. The receiver operating characteristic (ROC) approach was applied to identify the optimal cut-point value, and survival curves according to different PET-CT assessment methods were estimated using the Kaplan-Meier analysis. The prognostic efficacy of different PET-CT assessment methods was compared, and DeLong test was used to verify it. Kaplan-Meier method and multivariate analysis using the Cox proportional hazards model were performed to analyze the potential independent risk factors. Results: There were 5 patients progressed within a 3-year follow-up. In the three PET-CT assessment methods, the predictive value of rLL and Deauville 5-PS were significant effective. ROC analysis for rLL as a progression predictor showed an optimal cut-point of 1.29. Deauville 5-PS=4 and rLL=1.29 showed the best prognostic accuracy. The sensitivity of rLL and Deauville 5-PS were both 80.0%, and the specificity of each was 98.0% and 93.7%, respectively. The positive predictive value (PPV) and negative predictive value (NPV) of rLL were 66.7% and 98.7%, while the PPV and NPV of 5-PS were 44.4% and 98.7%. The 3-years progression-free survival (PFS) rates of rLL≥1.29 group and rLL<1.29 group were 33.3% and 98.7%, with significant difference (P<0.001). The 3-years PFS rates of post-treatment Deauville 5-PS<4 group and Deauville 5-PS≥4 group were 98.7% and 55.6%, with significant difference (P<0.001). The prognostic evaluation efficacy of rLL was positively correlated with that of Deauville 5-PS (r=0.75, P<0.05). Area under curves (AUC) of rLL and Deauville 5-PS were 0.93 (95%CI: 0.825-1.000) and 0.91 (95%CI: 0.757-1.000), respectively. DeLong test showed the significant difference between the two methods (P<0.05). The univariate analysis results showed that clinical baseline stage, post-treatment rLL and Deauville 5-PS were associated with the prognoses of HL patients (P<0.05). The multivariate analysis results showed that post-treatment rLL and Deauville 5-PS were independent prognostic factors of HL (P<0.05). Conclusions: The rLL and Deauville 5-PS are potential prognostic factors for HL response assessment. The new semi-quantitative method rLL has methodological advantages over visual analysis, and it is a good supplement for Deauville 5-PS. rLL can improve prognostic evaluation accuracy of PET-CT and is useful to early identify patients with HL at a high risk of relapsing after first-line treatment.
Collapse
Affiliation(s)
- H Wan
- PET-CT Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - P Liu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y Liang
- Department of Nuclear Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - S Y Jiang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - L Lyu
- PET-CT Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Z W Zhang
- PET-CT Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - N Wu
- Department of Diagnostic Radiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y Liu
- PET-CT Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| |
Collapse
|
16
|
Luo G, Pan SL, Wan H, Chen TT, Xu Q, Sun Y. [Interim follow-up of fetal cardiac intervention in five fetuses with pulmonary atresia with intact ventricular septum]. Zhonghua Er Ke Za Zhi 2021; 59:782-786. [PMID: 34645220 DOI: 10.3760/cma.j.cn112140-20210219-00141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To summarize the interim outcome and right heart development of pulmonary atresia with intact ventricular septum (PA-IVS) in children after fetal cardiac intervention (FCI). Methods: The clinical data of 5 live births underwent FCI from October 2018 to April 2019 in Women and Children's Hospital, Qingdao University were analyzed retrospectively. The development of right ventricle (RV) and tricuspid valve (TV) in uterus after FCI, at birth, the age of 6 months, 1 year and 2 years, and the final outcome were assessed. Results: Five PA-IVS fetuses were included in this study. The first evaluation was performed at 24-26 weeks of gestational age, and the FCI was performed at 26-28 weeks of gestational age. During the follow-up of 6 weeks after FCI, the minimum diameter of tricuspid annulus increased from 0.85 cm to 0.92 cm, and the minimum Z-score of tricuspid annulus decreased from -0.03 to -1.62. The minimum values of TV/mitral valve annular diameter and RV/left ventricular length ratios of all fetuses increased from 0.57, 0.52 to 0.88, 0.82, respectively. The maximum tricuspid regurgitation velocity decreased from 4.60 m/s to 3.64 m/s. No severe hemodynamic change was found in any of the fetuses. All 5 fetuses were born alive. Three cases underwent percutaneous balloon pulmonary valvuloplasty (PBPV) and stent implantation for ductus arteriosus. Two cases received PBPV alone. At follow-up (26 to 32 months), obvious development of TV was observed 6 months to 1 year after birth in 5 cases with the growth rate ranging from 19.64% to 40.00%. Meanwhile, the RV development was relatively slow at 6 months with the growth rate ranging from 9.41% to 21.42%. There were individual differences in RV development at 2 years. The growth and development of all children were equal to healthy children of the same age with the body mass index less than 18.4 kg/m2. At the last follow-up, all children had a transcutaneous oxygen saturation of greater than 0.95, three became biventricular circulation and two had circulation approximation to biventricular circulation with almost closed stent. Conclusions: The findings support the potential of development of right ventricular and tricuspid valve for fetuses with PA-IVS underwent FCI. All fetuses underwent FCI received intervention after birth, and biventricular circulation can be realized finally. The development of right ventricular and tricuspid valve is not proportional. In utero, the right ventricle develops rapidly, and the development of tricuspid valve is more advantageous after birth.
Collapse
Affiliation(s)
- G Luo
- Heart Center, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - S L Pan
- Heart Center, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - H Wan
- Department of Ultrasonography, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - T T Chen
- Department of Ultrasonography, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - Q Xu
- Department of Obstetrics, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - Y Sun
- Department of Obstetrics, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| |
Collapse
|
17
|
Xu R, Tian Q, Wan H, Wen JW, Zhang Q, Zhang Y. Spatial and Temporal Characteristics of PM2.5 Sources and Pollution Events in a Low Industrialized City. NEPT 2021. [DOI: 10.46488/nept.2021.v20i03.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In recent years, cities in southern China have experienced severe air pollution, despite having few sources of pollutants. To study the pollution characteristics of PM2.5 in these “low industrialized” cities, a numerical method based on the HYSPLIT4 Model and Kriging Spatial Interpolation Technology was established. Simulation results showed that the PM2.5 pollution in Guilin was affected by both internal and external sources. The backward air mass trajectory from July 2017 to June 2018 was simulated using the HYSPLIT model. The cluster analysis results indicated that the direction of trajectory ? accounted for 63.09% of the air pollution in the city. The average concentration of PM2.5 pollution was 45.94 ?g.m-3. The pollutant originated from the “Xiang-Gui Corridor.” The location of the sources was collocated with high industry regions. The spatial characteristics of the four pollution processes in the winter of 2017 were analyzed using a spatial interpolation method. The results showed that the transport of air masses in the direction of trajectory ? was obstructed by a mountain system in the northeast. Therefore, two air pollution accumulation centers and a topographic weakening zone dominated by internal and external sources were formed. It can be inferred that the air pollution in Guilin is affected by both internal and external factors. These results provide important theoretical and technical support for regional air pollution control and environmental protection.
Collapse
|
18
|
Yu Y, Wang J, Tan Y, Wan H, Zheng N, He Z, Mao L, Ren W, Lin Z, He G, Chen Y, Wang J, Ouyang N, Yao H. 1136P A clinically applicable cervical cancer artificial intelligence screening system for accurate cytopathological diagnosis: A multicenter population-based study and randomized controlled trial. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
|
19
|
Chung H, Lee K, Kim W, Gainor J, Lakhani N, Chow L, Messersmith W, Fanning P, Squifflet P, Jin F, Forgie A, Wan H, Pons J, Randolph S, LoRusso P. SO-31 ASPEN-01: A phase 1 study of ALX148, a CD47 blocker, in combination with trastuzumab, ramucirumab and paclitaxel in patients with second-line HER2-positive advanced gastric or gastroesophageal junction cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
|
20
|
Feng Y, Lei X, Zhang L, Wan H, Pan H, Wu J, Zou M, Zhu L, Mi Y. COPB2: a transport protein with multifaceted roles in cancer development and progression. Clin Transl Oncol 2021; 23:2195-2205. [PMID: 34101128 PMCID: PMC8455385 DOI: 10.1007/s12094-021-02630-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/22/2021] [Indexed: 11/29/2022]
Abstract
The Coatomer protein complex subunit beta 2 (COPB2) is involved in the formation of the COPI coatomer protein complex and is responsible for the transport of vesicles between the Golgi apparatus and the endoplasmic reticulum. It plays an important role in maintaining the integrity of these cellular organelles, as well as in maintaining cell homeostasis. More importantly, COPB2 plays key roles in embryonic development and tumor progression. COPB2 is regarded as a vital oncogene in several cancer types and has been implicated in tumor cell proliferation, survival, invasion, and metastasis. Here, we summarize the current knowledge on the roles of COPB2 in cancer development and progression in the context of the hallmarks of cancer.
Collapse
Affiliation(s)
- Y Feng
- Wuxi Medical College, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China
| | - X Lei
- Wuxi Medical College, Jiangnan University, Wuxi, 214122, Jiangsu Province, China
| | - L Zhang
- Department of Urology, Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu Province, China
| | - H Wan
- Wuxi Medical College, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China
| | - H Pan
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China
| | - J Wu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China
| | - M Zou
- Wuxi Clinical Medicine School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Wuxi, 214122, Jiangsu Province, China
| | - L Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China.
| | - Y Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu Province, China.
| |
Collapse
|
21
|
Leng X, Wan H, Li G, Jiang Y, Huang L, Siddiqui AH, Zhang X, Xiang J. Hemodynamic effects of intracranial aneurysms from stent-induced straightening of parent vessels by stent-assisted coiling embolization. Interv Neuroradiol 2021; 27:181-190. [PMID: 33641496 DOI: 10.1177/1591019921995334] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Straightening of parent vessels happens for stent-assisted coiling embolization (SACE) treatment of intracranial aneurysms. This study aims to investigate aneurysmal hemodynamic modifications caused by stent-induced vessel straightening. METHODS Stent and coil deployments of a SACE-treated distal bifurcation aneurysm by finite element method were performed first with the preoperative (not straightened, NS) and postoperative (straightened, S) vessel models respectively. Computational fluid dynamics were then performed for eight models, including (I) NS only model, (II) NS+stent model, (III) NS+coils model, (IV) NS+stent+coils model, (V) S only model, (VI) S+stent model, (VII) S+coils model, and (VIII) S+stent+coils model. Finally, changes in aneurysmal flow velocity, isovelocity surface and wall shear stress (WSS) were analyzed qualitatively and quantitatively. RESULTS The flow was less in the S models than that in the corresponding NS models. Coils blocked most of the flow into the aneurysm sac in both NS models and S models and vessel straightening had more profound effect on the high aneurysmal flow volume reduction than coiling, while stenting generated adverse effect on flow reduction. Taking the NS only model as baseline (100%), the sac-averaged velocities of models II to VIII were 112%, 36%, 42%, 45%, 39%, 12%, 13%, and high flow volumes were 119%, 21%, 30%, 10%, 8%, 3%, 3%, while the sac-averaged WSSs were 106%, 37%, 44%, 41%, 35%, 17% and 24%, respectively. CONCLUSIONS Stent-induced vessel straightening combined coil embolization has the best performance in hemodynamic modifications and may reduce the recurrence rate, whereas stenting may generate adverse effect on hemodynamic alterations.
Collapse
Affiliation(s)
- Xiaochang Leng
- ArteryFlow Technology Co., Ltd., Hangzhou, China.,School of Civil Engineering and Architecture, Nanchang University, Nanchang, China
| | - Hailin Wan
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Gaohui Li
- ArteryFlow Technology Co., Ltd., Hangzhou, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Adnan H Siddiqui
- Department of Neurosurgery and Radiology, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | | |
Collapse
|
22
|
Jiang Y, Xu F, Huang L, Lu G, Ge L, Wan H, Geng D, Zhang X. Increased Wall Enhancement Extent Representing Higher Rupture Risk of Unruptured Intracranial Aneurysms. J Korean Neurosurg Soc 2020; 64:189-197. [PMID: 33371660 PMCID: PMC7969040 DOI: 10.3340/jkns.2020.0144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 07/20/2020] [Indexed: 11/27/2022] Open
Abstract
Objective This study aims to investigate the relationship between aneurysm wall enhancement and clinical rupture risks based on the magnetic resonance vessel wall imaging (MR-VWI) quantitative methods.
Methods One hundred and eight patients with 127 unruptured aneurysms were prospectively enrolled from Feburary 2016 to October 2017. Aneurysms were divided into high risk (≥10) and intermediate-low risk group (<10) according to the PHASES (Population, Hypertension, Age, Size of aneurysm, Earlier SAH history from another aneurysm, Site of aneurysm) scores. Clinical risk factors, aneurysm morphology, and wall enhancement index (WEI) calculated using 3D MR-VWI were analyzed and compared.
Results In comparison of high-risk and intermediated-low risk groups, univariate analysis showed that neck width (4.5±3.3 mm vs. 3.4±1.7 mm, p=0.002), the presence of wall enhancement (100.0% vs. 62.9%, p<0.001), and WEI (1.6±0.6 vs. 0.8±0.8, p<0.001) were significantly associated with high rupture risk. Multivariate regression analysis revealed that WEI was the most important factor in predicting high rupture risk (odds ratio, 2.6; 95% confidence interval, 1.4–4.9; p=0.002). The receiver operating characteristic (ROC) curve analysis can efficiently differentiate higher risk aneurysms (area under the curve, 0.780; p<0.001) which have a reliable WEI cutoff value (1.04; sensitivity, 0.833; specificity, 0.67) predictive of high rupture risk.
Conclusion Aneurysms with higher rupture risk based on PHASES score demonstrate increased neck width, wall enhancement, and the enhancement intensity. Higher WEI in unruptured aneurysms has a predictive value for increased rupture risk.
Collapse
Affiliation(s)
- Yeqing Jiang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Feng Xu
- Department of Neurosurgery, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Gang Lu
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Hailin Wan
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Daoying Geng
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital Affiliated to Fudan University, Shanghai, China
| |
Collapse
|
23
|
Pan SL, Chen R, Duan SH, Wan H, Luo G, Du ZH, Ge W, Xing QS. [A case of giant left atrial appendage aneurysm: from prenatal diagnosis to postnatal surgery]. Zhonghua Er Ke Za Zhi 2020; 58:845-846. [PMID: 32987467 DOI: 10.3760/cma.j.cn112140-20200317-00252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- S L Pan
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - R Chen
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - S H Duan
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - H Wan
- Department of Ultrasound, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - G Luo
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - Z H Du
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - W Ge
- Department of Radiology, Qingdao Women and Children's Hospital, Qingdao 266034, China
| | - Q S Xing
- Heart Center, Qingdao Women and Children's Hospital, Qingdao 266034, China
| |
Collapse
|
24
|
Wan H, Lu G, Huang L, Ge L, Jiang Y, Li G, Leng X, Xiang J, Zhang X. Hemodynamic Effect of the Last Finishing Coils in Packing the Aneurysm Neck. Front Neurol 2020; 11:598412. [PMID: 33329354 PMCID: PMC7714910 DOI: 10.3389/fneur.2020.598412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/15/2020] [Indexed: 11/13/2022] Open
Abstract
Background: Using the finishing coils to densely pack the aneurysm neck is necessary. However, the exact hemodynamic effect of finishing coils in packing the aneurysm neck is unknown. Objective: To evaluate the hemodynamic characteristics of finishing coils to densely pack the aneurysm neck, using finite element method simulation. Methods: A computational study was performed based on a 44-year-old female patient with an unruptured wide-necked carotid-ophthalmic artery aneurysm treated with low-profile visualized intraluminal support stent-assisted coil embolization. Four computational fluid dynamics models including pre-treatment, post-stenting, common stent-assisted coil embolization (SACE), and common SACE with finishing coils were evaluated qualitatively and quantitatively. Results: Compared with the baseline of pretreatment model (100%), sac-averaged velocity in post-stenting, common SACE, and common SACE with finishing coil models decreased to 95.68%, 24.38%, and 13.20%, respectively; high flow volume (>0.1 m/s) around the aneurysm neck decreased to 92.19%, 9.59%, and 5.57%, respectively; and mean wall shear stress increased or decreased to 107%, 25.94%, and 23.89%, respectively. Conclusion: Finishing coils to densely pack the aneurysm neck can generate favorable hemodynamic modifications, which may decrease the recurrence.
Collapse
Affiliation(s)
- Hailin Wan
- Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Lu
- Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Huang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Gaohui Li
- ArteryFlow Technology Co., Ltd, Hangzhou, China
| | | | | | - Xiaolong Zhang
- Huashan Hospital, Fudan University, Shanghai, China
- *Correspondence: Xiaolong Zhang
| |
Collapse
|
25
|
Wan H, Li Z, Wang H, Cai F, Wang L. ST8SIA1 inhibition sensitizes triple negative breast cancer to chemotherapy via suppressing Wnt/β-catenin and FAK/Akt/mTOR. Clin Transl Oncol 2020; 23:902-910. [PMID: 32939659 DOI: 10.1007/s12094-020-02484-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 08/31/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Chemoresistance is the major cause of therapeutic failure in triple negative breast cancer (TNBC). In this work, we investigated the molecular mechanism for the development of TNBC chemoresistance. METHODS mRNA and protein levels of ST8SIA1 were analyzed in chemosensitive and chemoresistant TNBC cells and tissues. Proliferation and survival assays were performed to determine the role of ST8SIA1 in TNBC chemoresistance. RESULTS We found that ST8SIA1 mRNA and protein levels were increased in multiple TNBC cell lines after prolonged exposure to chemotherapeutic drugs. Consistently, retrospective study demonstrated that the majority of TNBC patients who developed chemoresistance displayed upregulation of ST8SIA1. We further found that chemoresistant TNBC cells were more sensitive than chemosensitive cells to ST8SIA1 inhibition in decreasing growth and viability. Consistently, ST8SIA1 inhibition augmented the efficacy of chemotherapy in TNBC cells. Mechanism studies demonstrated that ST8SIA1 inhibition led to suppression of FAK/Akt/mTOR and Wnt/β-catenin signalling pathways. CONCLUSIONS These findings provide an explanation for the heterogeneity of chemotherapy responses across TNBC individuals and reveal the supportive roles of ST8SIA1in TNBC chemoresistance.
Collapse
Affiliation(s)
- H Wan
- Department of Oncology, Sanya People's Hospital, Sanya, 572000, China
| | - Z Li
- Department of Oncology, Sanya People's Hospital, Sanya, 572000, China
| | - H Wang
- Department of Pathology, Sanya People's Hospital, Sanya, 572000, China
| | - F Cai
- Department of Pharmacy, Sanya People's Hospital, Sanya, 572000, China
| | - L Wang
- Department of Oncology, Hainan General Hospital, No.19, Xinhua Road, Xiuying District, Haikou, 570311, Hainan, China.
| |
Collapse
|
26
|
Abstract
Oral lubrication mediated by mucin and protein containing salivary conditioning films (SCFs) with strong water retainability can get impaired due to disease such as xerostomia, that is, a subjective dry mouth feel associated with the changed salivary composition and low salivary flow rate. Aberrant SCFs in xerostomia patient cause difficulties in speech, mastication, and dental erosion while the prescribed artificial saliva is inadequate to solve the complications on a lasting basis. With the growing aging population, it is urgently needed to propose a new strategy to restore oral lubrication. Existing saliva substitutes often overwhelm the aberrant SCFs, generating inadequate relief. Here we demonstrated that the function of aberrant SCFs in a patient with Sjögren syndrome can be boosted through mucin recruitment by a simple mucoadhesive, chitosan-catechol (Chi-C). Chi-C with different conjugation degrees (Chi-C7.6%, Chi-C14.5%, Chi-C22.4%) was obtained by carbodiimide chemistry, which induced a layered structure composed of a rigid bottom and a soft secondary SCF (S-SCF) after reflow of saliva. The higher conjugation degree of Chi-C generates a higher glycosylated S-SCF by mucin recruitment and a lower friction in vitro. The layered S-SCF extends the "relief period" for Sjögren patient saliva over 7-fold, measured on an ex vivo tongue-enamel friction system. Besides lubrication, Chi-C-treated S-SCF reduces dental erosion depths from 125 to 70 μm. Chi-C shows antimicrobial activity against Streptococcus mutans. This research provides a new key insight in restoring the functionality of conditioning film at articulating tissues in living systems.
Collapse
Affiliation(s)
- H. Wan
- Department of Biomedical
Engineering, University of Groningen and University Medical Center
Groningen, Groningen, the Netherlands
| | - A. Vissink
- Department of Oral Maxillofacial
Surgery, University of Groningen and University Medical Center Groningen,
Groningen, the Netherlands
| | - P.K. Sharma
- Department of Biomedical
Engineering, University of Groningen and University Medical Center
Groningen, Groningen, the Netherlands
| |
Collapse
|
27
|
Wan H, Huang L, Ge L, Jiang Y, Li G, Leng X, Feng X, Xiang J, Zhang X. Are hemodynamics of irregular small carotid-ophthalmic aneurysms different from those of regular ones and large aneurysms based on numerical simulation? Neuroradiology 2020; 62:511-518. [PMID: 31925470 DOI: 10.1007/s00234-019-02348-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 12/11/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE The purpose of this study is to investigate whether hemodynamics of unruptured, irregular small intracranial aneurysms (SIAs) are different from those of regular ones and large intracranial aneurysms (LIAs) in ophthalmic artery segment of internal carotid artery (ICA). METHODS Between April 2015 and June 2018, 106 carotid-ophthalmic artery aneurysms were retrospectively analyzed using 3D angiographic images and computational fluid dynamics (CFD). Three categories were stratified: regular SIAs, irregular SIAs and LIAs. Statistical comparisons of the differences in clinical, morphological and hemodynamic parameters among regular SIA, irregular SIA and LIA groups were performed by one-way analysis of variance (ANOVA) or Kruskal-Wallis Test. RESULTS The median maximal height of regular SIA, irregular SIA and LIA were 3.03 (interquartile range: 2.49-4.22) mm, 4.59 (interquartile range: 3.86-5.32) mm and 11.06 (interquartile range: 9.28-13.69) mm, all P < 0.05). Low shear-stress area percentage (LSA%) and oscillatory shear index (OSI) of irregular SIAs and LIAs were not significantly different (P = 0.72, P = 0.27 respectively), and were significantly higher than those of regular SIAs (all P < 0.01). Wall shear stress (WSS) and normalized wall shear stress (NWSS) of irregular SIAs were significantly higher than those of LIAs (P < 0.01, P < 0.01 respectively), but lower than those of regular SIAs (P < 0.01, P < 0.01 respectively). CONCLUSIONS Special unruptured irregular SIAs share a similarity of hemodynamic characteristics with LIAs in high LSA% and high OSI, and are different from regular SIAs in hemodynamics.
Collapse
Affiliation(s)
- Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China
| | - Gaohui Li
- ArteryFlow Technology Co., Ltd, 459 Qianmo Road, Hangzhou, 310051, China
| | - Xiaochang Leng
- ArteryFlow Technology Co., Ltd, 459 Qianmo Road, Hangzhou, 310051, China
| | - Xiaoyuan Feng
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China
| | - Jianping Xiang
- ArteryFlow Technology Co., Ltd, 459 Qianmo Road, Hangzhou, 310051, China
| | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, No. 12 Middle Wulumuqi Road, Shanghai, 200040, China.
| |
Collapse
|
28
|
Li X, Ahmad US, Huang Y, Uttagomol J, Rehman A, Zhou K, Warnes G, McArthur S, Parkinson EK, Wan H. Desmoglein-3 acts as a pro-survival protein by suppressing reactive oxygen species and doming whilst augmenting the tight junctions in MDCK cells. Mech Ageing Dev 2019; 184:111174. [PMID: 31678215 DOI: 10.1016/j.mad.2019.111174] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 10/15/2019] [Accepted: 10/21/2019] [Indexed: 11/16/2022]
Abstract
Kidney disease prevalence increases with age, with a common feature of the disease being defects in the epithelial tight junctions. Emerging evidence suggests that the desmosomal adhesion protein Desmoglein-3 (Dsg3) functions beyond the desmosomal adhesion and plays a role in regulating the fundamental pathways that govern cell fate decisions in response to environmental chemical and mechanical stresses. In this study, we explored the role of Dsg3 on dome formation, reactive oxygen species (ROS) production and transepithelial electrical resistance (TER) in MDCK cells, a kidney epithelial cell model widely used to study cell differentiation and tight junction formation and integrity. We show that overexpression of Dsg3 constrained nuclear ROS production and cellular doming in confluent cell cultures and these features coincided with augmented TER and enhanced tight junction integrity. Conversely, cells expressing dominant-negative Dsg3ΔC mutants exhibited heightened ROS production and accelerated doming, accompanied by increased apoptosis, as well as cell proliferation, with massive disruption in F-actin organization and accumulation, and alterations in tight junctions. Inhibition of actin polymerization and protein synthesis was able to sufficiently block dome formation in mutant populations. Taken together, these findings underscore that Dsg3 has a role in controlling cellular viability and differentiation as well as the functional integrity of tight junctions in MDCK cells.
Collapse
Affiliation(s)
- Xiao Li
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Usama Sharif Ahmad
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Yunying Huang
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Jutamas Uttagomol
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Ambreen Rehman
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Ke Zhou
- CB Joint MHNCRL, Hospital and School of Stomatology, Guizhou Medical University, China
| | - Gary Warnes
- Blizard Institute, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Simon McArthur
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Eric Kenneth Parkinson
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - H Wan
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London, School of Medicine and Dentistry, Queen Mary University of London, United Kingdom.
| |
Collapse
|
29
|
Wan H. SUN-PO098: Effect of NRS2002 on Identifying Malnutrition in Cancer Patients Undergoing Radiotherapy. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32732-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
30
|
DONG X, Xing L, Sun X, Wan H, Yu J, Liu H, Cheng Y. Dynamic Monitoring of Response Heterogeneity between Primary and Metastases Reveals Resistance Molecular Mechanisms in Advanced Non-Small Cell Lung Cancer with Acquired Resistance to EGFR-TKIs. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
31
|
Wan H, Ge L, Huang L, Jiang Y, Leng X, Feng X, Xiang J, Zhang X. Sidewall Aneurysm Geometry as a Predictor of Rupture Risk Due to Associated Abnormal Hemodynamics. Front Neurol 2019; 10:841. [PMID: 31474923 PMCID: PMC6707091 DOI: 10.3389/fneur.2019.00841] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 07/19/2019] [Indexed: 11/17/2022] Open
Abstract
Background: Hemodynamics play an important role in intracranial aneurysm (IA) initiation, growth, and rupture. Yet there remains no definitive quantitative analysis between abnormal hemodynamics and geometrical risk of IA development. Objective: The present study aims to investigate whether abnormal hemodynamics in IA sacs can be predicted by surrogate geometric markers. Methods: Computational fluid dynamics (CFD) simulations were performed on paraclinoid aneurysms derived from digital subtraction angiography (DSA) of 104 IAs in 104 patients. Four basic IA geometric parameters including maximum height, perpendicular height, maximum width, and neck diameter were measured. Abnormal hemodynamics were defined and quantified as the surface area exposed to low wall shear stress (WSS) and high oscillatory shear index (OSI) using objectively-defined thresholds. Relationships between abnormal hemodynamics and specific geometric parameters were analyzed via multiple linear regression. Results: Adjusting for age, sex, and other clinical characteristics, multiple linear regression revealed a significant relationship (p < 0.001) between abnormal hemodynamics and both maximum width (β ≈ 1.2) and neck diameter (β ≈ −0.4), but not maximum height or perpendicular height. These findings were shown to be independent of the choice of abnormal hemodynamic indicators and threshold levels. Conclusions: Maximum width and neck diameter of IA sacs are robust surrogates of exposure to abnormal hemodynamics. Risk of rupture may be increased with wider aneurysms with narrower necks for paraclinoid aneurysms.
Collapse
Affiliation(s)
- Hailin Wan
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Ge
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Huang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yeqing Jiang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | | | - Xiaoyuan Feng
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | | | - Xiaolong Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| |
Collapse
|
32
|
Wang Y, Wan H, Chen Y, Xia F, Zhang W, Wang C, Fang S, Zhang K, Li Q, Wang N, Lu Y. Association of C-peptide with diabetic vascular complications in type 2 diabetes. Diabetes Metab 2019; 46:33-40. [PMID: 31026551 DOI: 10.1016/j.diabet.2019.04.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 04/01/2019] [Accepted: 04/07/2019] [Indexed: 12/11/2022]
Abstract
AIM Fasting serum C-peptide is a biomarker of insulin production and insulin resistance, but its association with vascular complications in type 2 diabetes mellitus (T2DM) has never been fully elucidated. This study aimed to investigate whether C-peptide is associated with cardiovascular disease (CVD) and diabetic retinopathy (DR). METHODS A total of 4793 diabetes patients were enrolled from seven communities in Shanghai, China, in 2018. CVD was defined as a self-reported combination of previous diagnoses, including coronary heart disease, myocardial infarction and stroke. DR was examined using fundus photographs. Logistic regression analyses were performed, and multiple imputed data were used to obtain stabilized estimates. RESULTS Prevalence of CVD increased with increasing C-peptide levels (Q1, Q2, Q3 and Q4: 33%, 34%, 37% and 44%, respectively; Pfor trend < 0.001), whereas DR prevalence decreased with increasing C-peptide quartiles (Q1, Q2, Q3 and Q4: 21%, 19%, 15% and 12%, respectively; Pfor trend < 0.001). On logistic regression analysis, C-peptide levels were significantly associated with CVD prevalence (1.27, 95% CI: 1.13-1.42; P < 0.001) and C-peptide quartiles (Q1: reference; Q2: 1.31, 95% CI: 1.00-1.70; Q3: 1.53, 95% CI: 1.16-2.01; Q4: 1.76, 95% CI: 1.32-2.34; Pfor trend < 0.001). Given the interaction between C-peptide and BMI and the association between C-peptide and CVD (Pfor interaction = 0.015), study participants were divided into two subgroups based on BMI which revealed that the association persisted despite different BMI statuses. However, DR prevalence decreased with increasing C-peptide levels (0.73, 95% CI: 0.62-0.86; P < 0.001) and quartiles (Q1: reference; Q2: 1.00, 95% CI: 0.76-1.33; Q3: 0.69, 95% CI: 0.50-0.94; Q4: 0.51, 95% CI: 0.36-0.72; Pfor trend < 0.001). CONCLUSION C-peptide was positively associated with CVD, but inversely associated with DR progression. The association between C-peptide and CVD could be due to associated metabolic risk factors.
Collapse
Affiliation(s)
- Y Wang
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - H Wan
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Y Chen
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - F Xia
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - W Zhang
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - C Wang
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - S Fang
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - K Zhang
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Q Li
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - N Wang
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Y Lu
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| |
Collapse
|
33
|
Jiang Y, Ge L, Di R, Lu G, Huang L, Li G, Leng X, Zhang S, Wan H, Geng D, Xiang J, Zhang X. Differences in hemodynamic characteristics under high packing density between the porous media model and finite element analysis in computational fluid dynamics of intracranial aneurysm virtual treatment. J Neurointerv Surg 2019; 11:853-858. [DOI: 10.1136/neurintsurg-2018-014218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 01/07/2019] [Accepted: 01/08/2019] [Indexed: 11/03/2022]
Abstract
ObjectiveThis study aimed to compare the hemodynamic differences among no sac (NOS), porous media (POM) and finite element analysis (FEA) models to investigate the recurrence-related risks for coiled intracranial aneurysms (IAs).MethodsThe study enrolled 10 patients with 11 IAs who received simple coiling treatment and hemodynamic simulations were performed for all IAs using the above three models. Velocity, wall shear stress (WSS) and residual flow volume (RFV) were calculated and compared in order to assess the model differences for both aneurysm sac and parent vessel regions.ResultsFor parent artery regions, all three models produced similar flow patterns and quantification analysis did not indicate differences in velocity and WSS (p>0.05). For aneurysm sac regions, the FEA model resulted in higher sac-maximized (0.18 m/s vs 0.06 m/s) and sac-averaged velocity (0.013 m/s vs 0.007 m/s), and higher sac-averaged (0.55 Pa vs 0.36 Pa, p=0.006) and sac-maximized WSS (12.1 Pa vs 6.6 Pa) than the POM model. The differences in RFV between the POM and FEA models under 11 different isovelocity thresholds (0.0001 m/s, 0.001 m/s, 0.002 m/s, 0.005 m/s, 0.01 m/s, 0.02 m/s, 0.05 m/s, 0.1 m/s, 0.2 m/s, 0.5 m/s, and 1 m/s) showed that the POM RFV was generally larger than those of the FEA model.ConclusionsCompared with the FEA model, the POM model provides a lower velocity and WSS and higher RFV for the aneurysm sac, which could lead to incorrect estimates of the recurrent risk of coiled IAs under high packing density.
Collapse
|
34
|
Peng H, Xiao J, Wan H, Shi J, Li J. Severe Gastric Mycormycosis Infection Followed by Cytomegalovirus Pneumonia in a Renal Transplant Recipient: A Case Report and Concise Review of the Literature. Transplant Proc 2019; 51:556-560. [PMID: 30879589 DOI: 10.1016/j.transproceed.2018.12.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 12/29/2018] [Indexed: 12/23/2022]
Abstract
Mucormycosis is an uncommonly encountered fungal infection in solid-organ transplantation, occurring most often gastrointestinally. The most common and fatal infectious disease is cytomegalovirus (CMV) pneumonia, which may result in acute respiratory distress syndrome (ARDS), with rapid onset. Early diagnosis, active treatment, and rational reduction of immunosuppressants are crucial for successful kidney transplantation. We performed successful treatment for both mucormycosis and CMV pneumonia and adjusted the tacrolimus dose accordingly. The case we describe was that of a 47-year-old woman with history of renal transplantation 1 month earlier. She presented with chest pain and gastrointestinal bleeding and was diagnosed with gastric mucormycosis and a secondary episode of hospital-acquired pneumonia. Preemptive therapy, which included liposomal amphotericin B and posaconazole, was adminstered when voriconazole proved to be unhelpful and before histologic reports of gastric mucormycosis. Moreover, CMV re-activation was confirmed by CMV antibody detection, and we administered gancyclovir and thymosin α1 but reduced the strength of the immunosuppressive drugs. Fourteen days after the aforementioned therapy, the patient began to recover and she was discharged on day 81 postoperatively. We conclude that preemptive treatment is critical for severe infection in renal transplant recipients, especially with the rarely seen gastric mucormycosis and with ARDS. In addition, immunoregulated agents, such as asthymosin α1, are also of great value in renal transplant recipients in the setting of opportunistic pathogen infections.
Collapse
Affiliation(s)
- H Peng
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China; Department of Transplantation & General Surgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - J Xiao
- Department of Transplantation & General Surgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - H Wan
- Department of Transplantation & General Surgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - J Shi
- Department of Transplantation & General Surgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - J Li
- Department of Transplantation & General Surgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.
| |
Collapse
|
35
|
Wan H, Wang Y, Ai J, Brathwaite S, Ni H, Macdonald R, Hol E, Meijers J, Vergouwen M. Role of von Willebrand factor and ADAMTS-13 in early brain injury after experimental subarachnoid hemorrhage. J Thromb Haemost 2018; 16:1413-1422. [PMID: 29729651 PMCID: PMC6055612 DOI: 10.1111/jth.14136] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 11/29/2022]
Abstract
Essentials von Willebrand Factor (VWF) and ADAMTS13 may affect early injury after subarachnoid hemorrhage (SAH). Early brain injury was assessed in VWF-/- , ADAMTS13-/- and recombinant (r) ADAMTS13 treated mice. VWF-/- and rADAMTS13 treated mice had less brain injury than ADAMTS13-/- and wild-type mice. Early administration of rADAMTS13 may improve outcome after SAH by reducing early brain injury. SUMMARY Background Early brain injury is an important determinant of poor functional outcome and case fatality after aneurysmal subarachnoid hemorrhage (SAH), and is associated with early platelet aggregation. No treatment exists for early brain injury after SAH. We investigated whether von Willebrand factor (VWF) is involved in the pathogenesis of early brain injury, and whether ultra-early treatment with recombinant ADAMTS-13 (rADAMTS-13) reduces early brain injury after experimental SAH. Methods Experimental SAH in mice was induced by prechiasmatic injection of non-anticoagulated blood from a littermate. The following experimental SAH groups were investigated: C57BL/6J control (n = 21), VWF-/- (n = 25), ADAMTS-13-/- (n = 23), and C57BL/6J treated with rADAMTS-13 (n = 26). Mice were killed at 2 h after SAH. Primary outcome measures were microglial activation (IBA-1 surface area) and neuronal injury (number of cleaved caspase-3-positive neurons). Results As compared with controls, microglial activation was decreased in VWF-/- mice (mean difference of - 20.0%, 95% confidence interval [CI] - 4.0% to - 38.6%), increased in ADAMTS-13-/- mice (mean difference of + 34.0%, 95% CI 16.2-51.7%), and decreased in rADAMTS-13-treated mice (mean difference of - 22.1%, 95% CI - 3.4% to - 39.1%). As compared with controls (185 neurons, interquartile range [IQR] 133-353), neuronal injury in the cerebral cortex was decreased in VWF-/- mice (63 neurons, IQR 25-78), not changed in ADAMTS-13-/- mice (53 neurons, IQR 26-221), and reduced in rADAMTS-13-treated mice (45 neurons, IQR 9-115). Conclusions Our findings suggest that VWF is involved in the pathogenesis of early brain injury, and support the further study of rADAMTS-13 as a treatment option for early brain injury after SAH.
Collapse
Affiliation(s)
- H. Wan
- Division of NeurosurgerySt Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Labatt Family Centre of Excellence in Brain Injury and Trauma ResearchUniversity of TorontoTorontoOntarioCanada
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Department of Medical BiophysicsUniversity of TorontoTorontoOntarioCanada
| | - Y. Wang
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Department of Laboratory Medicine and PathobiologyUniversity of TorontoTorontoOntarioCanada
- Canadian Blood ServicesTorontoOntarioCanada
| | - J. Ai
- Division of NeurosurgerySt Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Labatt Family Centre of Excellence in Brain Injury and Trauma ResearchUniversity of TorontoTorontoOntarioCanada
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
| | - S. Brathwaite
- Division of NeurosurgerySt Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Labatt Family Centre of Excellence in Brain Injury and Trauma ResearchUniversity of TorontoTorontoOntarioCanada
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Department of PhysiologyUniversity of TorontoTorontoOntarioCanada
| | - H. Ni
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Department of Medical BiophysicsUniversity of TorontoTorontoOntarioCanada
- Canadian Blood ServicesTorontoOntarioCanada
- Department of PhysiologyUniversity of TorontoTorontoOntarioCanada
- CCOA Therapeutics IncTorontoOntarioCanada
| | - R.L. Macdonald
- Division of NeurosurgerySt Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Labatt Family Centre of Excellence in Brain Injury and Trauma ResearchUniversity of TorontoTorontoOntarioCanada
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
- Department of Laboratory Medicine and PathobiologyUniversity of TorontoTorontoOntarioCanada
- Department of PhysiologyUniversity of TorontoTorontoOntarioCanada
- Department of SurgeryUniversity of TorontoTorontoOntarioCanada
| | - E.M. Hol
- Brain Center Rudolf MagnusDepartment of Translational NeurosciencesUniversity Medical Center UtrechtUtrechtThe Netherlands
- Netherlands Institute of NeuroscienceAn Institute of the Royal Netherlands Academy of Arts and SciencesAmsterdamThe Netherlands
| | - J.C.M. Meijers
- Department of Plasma ProteinsSanquin ResearchAmsterdamThe Netherlands
- Department of Experimental Vascular MedicineAcademic Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands
| | - M.D.I. Vergouwen
- Brain Center Rudolf MagnusDepartment of Neurology and NeurosurgeryUniversity Medical Center UtrechtUtrechtthe Netherlands
| |
Collapse
|
36
|
Wan H, Zhang Z, Zhu Y. PO-109 Particle therapy reduces weight loss and toxicities among patients with head and neck cancer. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
|
37
|
Huang Y, Chatooah ND, Qi T, Wang G, Ma L, Ying Q, Lan Y, Song Y, Li C, Chu K, Chen P, Xu W, Wan H, Cai Y, Zhou J. Health-related quality of life and its associated factors in Chinese middle-aged women. Climacteric 2018; 21:483-490. [PMID: 29856658 DOI: 10.1080/13697137.2018.1476133] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Y. Huang
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - N. D. Chatooah
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - T. Qi
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - G. Wang
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - L. Ma
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - Q. Ying
- Zhejiang Cancer Institute, Zhejiang Cancer Hospital, Hangzhou, People’s Republic of China
| | - Y. Lan
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - Y. Song
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - C. Li
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - K. Chu
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - P. Chen
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - W. Xu
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - H. Wan
- Maternal and Child Health & Family Planning Service Center, Gongshu District, Hangzhou, People’s Republic of China
| | - Y. Cai
- Maternal and Child Health & Family Planning Service Center, Gongshu District, Hangzhou, People’s Republic of China
| | - J. Zhou
- Department of Gynecology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| |
Collapse
|
38
|
Uttagomol J, Águedo A, Connelly J, Wan H. 858 Desmoglein 3 acts as a mechanosensor in keratinocytes. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
39
|
Rehman A, Cai Y, Jedliková H, Harwood C, Bergamaschi D, Wan H. 1347 Desmoglein-3 acts as an anti-stress protein via suppression of p53. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
40
|
Li G, Liu M, Zhang S, Wan H, Zhang Q, Yue R, Yan X, Wang X, Wang Z, Sun Y. Essential Role of IFT140 in Promoting Dentinogenesis. J Dent Res 2017; 97:423-431. [PMID: 29195058 DOI: 10.1177/0022034517741283] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Primary cilia, with highly regulated cellular sensory functions, play key roles in tissue development and function maintenance. Intraflagellar transport 140 (IFT140) is a subunit of IFT complex A, which is specialized for retrograde transportation in cilia. Mutations of Ift140 are usually associated with syndromic ciliopathy and may cause isolated diseases such as retinal dystrophy, short ribs, and polycystic kidney. However, the role of IFT140 in tooth development has not been well investigated. In this study, a close relationship between IFT140 and dentin formation is disclosed. During tooth development, IFT140 was highly expressed in odontoblasts. To further understand the role of IFT140 in dentinogenesis, Ift140flox/flox/Osx-Cre mouse was generated. The dentin thickness of Ift140flox/flox/Osx-Cre mouse is thinner and the dentin formation is slower than that in control. In vitro, deletion of IFT140 in odontoblasts led to poor odontogenic differentiation, abnormal primary cilia, and decreased Sonic hedgehog signaling molecules. More important, due to loss of primary cilia in odontoblasts by IFT140 deletion, reparative dentin formation was impaired in a tooth-drilling model. These results suggest that cilia gene IFT140 is essential in promoting dentin formation and reparation.
Collapse
Affiliation(s)
- G Li
- 1 Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - M Liu
- 2 Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai, China
| | - S Zhang
- 1 Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - H Wan
- 1 Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Q Zhang
- 2 Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai, China
| | - R Yue
- 3 School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - X Yan
- 4 State Key Laboratory of Cell Biology, CAS Centre for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - X Wang
- 5 Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Z Wang
- 1 Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Y Sun
- 1 Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| |
Collapse
|
41
|
Lu P, Sha Y, Wan H, Wang F, Tian G. Role of coronal high-resolution diffusion-weighted imaging in acute optic neuritis: a comparison with axial orientation. Neuroradiology 2017. [PMID: 28647756 DOI: 10.1007/s00234-017-1853-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE Through a comparison with the axial orientation, we aimed to evaluate the role of coronal high-resolution diffusion-weighted imaging (DWI) in acute optic neuritis based on diagnostic accuracy and the reproducibility of apparent diffusion coefficient (ADC) measurements. METHODS Orbital DWI, using readout-segmented, parallel imaging, and 2D navigator-based reacquisition (RESOLVE-DWI), was performed on 49 patients with acute vision loss. The coronal (thickness = 3 mm) and axial (thickness = 2 mm) diffusion images were evaluated by two neuroradiologists retrospectively. The sensitivity, specificity, and accuracy were calculated through diagnostic test; the inter- and intra-observer reliabilities were assessed with a weighted Cohen's kappa test. In addition, the agreement of ADC measurement among observers was evaluated by the intra-class correlation coefficient (ICC), coefficient of variation (CV), and Bland-Altman plots. Comparison of ADC values was also performed by unpaired t test. RESULTS Among the 49 patients, 47 clinically positive optic nerves and 51 clinically negative optic nerves were found. The sensitivity, specificity, and accuracy were 85.1/87.2%, 90.2/94.12%, and 87.8/90.8%, respectively, for coronal RESOLVE-DWI and 83.0/85.1%, 66.7/76.5%, and 75.5/79.6%, respectively, for axial RESOLVE-DWI. The inter-observer kappa values were 0.710 and 0.806 for axial and coronal RESOLVE-DWI, respectively, and the intra-observer kappa values were 0.822 and 0.909, respectively (each P < 0.0001). Regarding the reproducibility of ADC measurements on axial and coronal RESOLVE-DWI, the ICCs among observers were 0.846 and 0.941, respectively, and the CV values were 7.046 and 4.810%, respectively. Bland-Altman plots revealed smaller inter-observer variability on coronal RESOLVE-DWI. ADC values were significantly lower in positive group (each P < 0.0001). CONCLUSION Higher specificity and better reproducibility of ADC measurements were found for coronal RESOLVE-DWI, which demonstrated the feasibility of the use of coronal RESOLVE-DWI to examine acute optic neuritis patients.
Collapse
Affiliation(s)
- Ping Lu
- Shanghai Institution of Medical Imaging, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.,Department of Radiology, Eye & ENT Hospital of Fudan University, 83 Fenyang Road, Shanghai, 200031, China
| | - Yan Sha
- Department of Radiology, Eye & ENT Hospital of Fudan University, 83 Fenyang Road, Shanghai, 200031, China.
| | - Hailin Wan
- Department of Radiology, Eye & ENT Hospital of Fudan University, 83 Fenyang Road, Shanghai, 200031, China
| | - Feng Wang
- Department of Radiology, Eye & ENT Hospital of Fudan University, 83 Fenyang Road, Shanghai, 200031, China
| | - Guohong Tian
- Department of Ophthalmology, Eye & ENT Hospital of Fudan University, 83 Fenyang Road, Shanghai, 200031, China
| |
Collapse
|
42
|
Lu P, Sha Y, Wan H, Wang F, Tian G, Tang W. Assessment of nonarteritic anterior ischemic optic neuropathy with intravoxel incoherent motion diffusion-weighted imaging using readout-segmented echo-planar imaging, parallel imaging, and 2D navigator-based reacquisition. J Magn Reson Imaging 2017; 46:1760-1766. [PMID: 28513892 DOI: 10.1002/jmri.25760] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 04/18/2017] [Indexed: 12/31/2022] Open
Affiliation(s)
- Ping Lu
- Shanghai Institution of Medical Imaging; Zhongshan Hospital, Fudan University; Shanghai P.R. China
- Department of Radiology; Eye & ENT Hospital of Fudan University; Shanghai P.R. China
| | - Yan Sha
- Department of Radiology; Eye & ENT Hospital of Fudan University; Shanghai P.R. China
| | - Hailin Wan
- Department of Radiology; Eye & ENT Hospital of Fudan University; Shanghai P.R. China
| | - Feng Wang
- Department of Radiology; Eye & ENT Hospital of Fudan University; Shanghai P.R. China
| | - Guohong Tian
- Department of Ophthalmology; Eye & ENT Hospital of Fudan University; Shanghai P.R. China
| | | |
Collapse
|
43
|
Bertholet J, Hansen R, Worm E, Toftegaard J, Wan H, Parikh P, Høyer M, Poulsen P. OC-0464: Validation of a fully automatic real-time liver motion monitoring method on a conventional linac. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30905-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
44
|
|
45
|
Bertholet J, Wan H, Toftegaard J, Schmidt ML, Chotard F, Parikh PJ, Poulsen PR. Fully automatic segmentation of arbitrarily shaped fiducial markers in cone-beam CT projections. Phys Med Biol 2017; 62:1327-1341. [DOI: 10.1088/1361-6560/aa52f7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
46
|
Levisetti M, Joh T, Wan H, Liang H, Forgues P, Gumbiner B, Garzone PD. A Phase I Randomized Study of a Specifically Engineered, pH-Sensitive PCSK9 Inhibitor RN317 (PF-05335810) in Hypercholesterolemic Subjects on Statin Therapy. Clin Transl Sci 2016; 10:3-11. [PMID: 27860267 PMCID: PMC5351011 DOI: 10.1111/cts.12430] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 10/04/2016] [Indexed: 01/19/2023] Open
Abstract
This phase I study assessed the safety, tolerability, pharmacokinetics, and pharmacodynamics of RN317 (PF-05335810), a specifically engineered, pH-sensitive, humanized proprotein convertase subtilisin kexin type 9 (PCSK9) monoclonal antibody, in hypercholesterolemic subjects (low-density lipoprotein cholesterol (LDL-C) ≥ 80 mg/dl) 18-70 years old receiving statin therapy. Subjects were randomized to: single-dose placebo, RN317 (subcutaneous (s.c.) 0.3, 1, 3, 6, or intravenous (i.v.) 1, 3, 6 mg/kg), or bococizumab (s.c. 1, 3, or i.v. 1 mg/kg); or multiple-dose RN317 (s.c. 300 mg every 28 days; three doses). Of 133 subjects randomized, 127 completed the study. RN317 demonstrated a longer half-life, greater exposure, and increased bioavailability vs. bococizumab. RN317 was well tolerated, with no subjects discontinuing because of treatment-related adverse events. RN317 lowered LDL-C by up to 52.5% (day 15) following a single s.c. dose of 3.0 mg/kg vs. a maximum of 70% with single-dose bococizumab s.c. 3.0 mg/kg. Multiple dosing of RN317 produced LDL-C reductions of ∼50%, sustained over an 85-day dosing interval.
Collapse
Affiliation(s)
| | - T Joh
- Pfizer, San Diego, California, USA
| | - H Wan
- Pfizer, South San Francisco, California, USA
| | - H Liang
- Pfizer, South San Francisco, California, USA
| | - P Forgues
- Pfizer, South San Francisco, California, USA
| | | | - P D Garzone
- Pfizer, South San Francisco, California, USA
| |
Collapse
|
47
|
Wan H, He H, Zhang F, Sha Y, Tian G. Diffusion-weighted imaging helps differentiate multiple sclerosis and neuromyelitis optica-related acute optic neuritis. J Magn Reson Imaging 2016; 45:1780-1785. [PMID: 27859858 DOI: 10.1002/jmri.25528] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 10/11/2016] [Indexed: 11/11/2022] Open
Affiliation(s)
- Hailin Wan
- Department of Radiology, Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - Huijin He
- Department of Radiology, Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - Fang Zhang
- Department of Radiology, Eye & ENT Hospital; Fudan University; Shanghai China
| | - Yan Sha
- Department of Radiology, Eye & ENT Hospital; Fudan University; Shanghai China
| | - Guohong Tian
- Department of Ophthalmology, Eye & ENT Hospital; Fudan University; Shanghai China
| |
Collapse
|
48
|
Wan H, Wu S, Wang J, Yang Y, Zhu J, Shao X, Huang B, Zhang H. Body mass index and the risk of all-cause mortality among patients with nonvalvular atrial fibrillation: a multicenter prospective observational study in China. Eur J Clin Nutr 2016; 71:494-499. [PMID: 27782115 DOI: 10.1038/ejcn.2016.183] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 07/25/2016] [Accepted: 08/09/2016] [Indexed: 12/18/2022]
Abstract
BACKGROUND/OBJECTIVES High body mass index (BMI) is associated with increased incident atrial fibrillation (AF) and mortality rate. In patients presenting with nonvalvular AF (NVAF), the prognostic relevance of BMI remains unclear. SUBJECTS/METHODS In this prospective observational study, a total of 1759 patients with NVAF (69.9±12.9 years old, 47.9% male) were divided into three clinical settings according to estimated stroke risks (CHADS2 score ⩽1 (low), =2 (moderate) and ⩾3 (high)). The primary outcome was all-cause mortality, and the secondary outcomes included thromboembolism and major bleeding. Cox-proportional hazard models were used to estimate the association between BMI levels and clinical outcomes. RESULTS During a mean follow-up of 1 year representing 1974 patient-years at risk, 256 patients died, 142 suffered from thromboembolism and 17 developed major bleeding. Multivariate adjusted Cox analysis indicated that a BMI of 24.0-27.9 kg/m2 was independently associated with improved survival among all patients (hazard ratio (HR) 0.689, 95% confidence interval (CI) 0.512-0.928; P=0.018) and patients at high stroke risk (HR 0.622, 95% CI 0.410-0.943; P=0.024), but not among those at low or moderate stroke risks. No associations were observed between BMI levels and the incidence of thromboembolic events in various clinical settings. CONCLUSIONS A paradoxical BMI-all-cause mortality risk association was observed in Chinese patients with NVAF, and this association was pronounced among patients at high stroke risk rather than in those at low stroke risk.
Collapse
Affiliation(s)
- H Wan
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Cardiology, First Affiliated Hospital, Jinan University, Guangzhou, China
| | - S Wu
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - J Wang
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Y Yang
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - J Zhu
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - X Shao
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - B Huang
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - H Zhang
- Emergence and Intensive Care Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| |
Collapse
|
49
|
Grantham K, Wan H, Maughan N, Muccigrosso D, Schultejans H, Bera R, Parikh P. Stability of Mean Lung Tumor Position Over the Course of Radiation Therapy as Measured by Continuous Electromagnetic Transponder Tracking. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
50
|
Guan J, Tucker ER, Wan H, Chand D, Danielson LS, Ruuth K, El Wakil A, Witek B, Jamin Y, Umapathy G, Robinson SP, Johnson TW, Smeal T, Martinsson T, Chesler L, Palmer RH, Hallberg B. The ALK inhibitor PF-06463922 is effective as a single agent in neuroblastoma driven by expression of ALK and MYCN. Dis Model Mech 2016; 9:941-52. [PMID: 27483357 PMCID: PMC5047689 DOI: 10.1242/dmm.024448] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 07/04/2016] [Indexed: 12/24/2022] Open
Abstract
The first-in-class inhibitor of ALK, c-MET and ROS1, crizotinib (Xalkori), has shown remarkable clinical efficacy in treatment of ALK-positive non-small cell lung cancer. However, in neuroblastoma, activating mutations in the ALK kinase domain are typically refractory to crizotinib treatment, highlighting the need for more potent inhibitors. The next-generation ALK inhibitor PF-06463922 is predicted to exhibit increased affinity for ALK mutants prevalent in neuroblastoma. We examined PF-06463922 activity in ALK-driven neuroblastoma models in vitro and in vivo In vitro kinase assays and cell-based experiments examining ALK mutations of increasing potency show that PF-06463922 is an effective inhibitor of ALK with greater activity towards ALK neuroblastoma mutants. In contrast to crizotinib, single agent administration of PF-06463922 caused dramatic tumor inhibition in both subcutaneous and orthotopic xenografts as well as a mouse model of high-risk neuroblastoma driven by Th-ALK(F1174L)/MYCN Taken together, our results suggest PF-06463922 is a potent inhibitor of crizotinib-resistant ALK mutations, and highlights an important new treatment option for neuroblastoma patients.
Collapse
Affiliation(s)
- J Guan
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - E R Tucker
- Division of Clinical Studies Cancer Therapeutics, The Institute of Cancer Research, London and Royal Marsden NHS Foundation Trust, Sutton SM2 5NG, UK
| | - H Wan
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - D Chand
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - L S Danielson
- Division of Clinical Studies Cancer Therapeutics, The Institute of Cancer Research, London and Royal Marsden NHS Foundation Trust, Sutton SM2 5NG, UK
| | - K Ruuth
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden Department of Molecular Biology, Building 6L, Umeå University, Umeå 901 87, Sweden
| | - A El Wakil
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden Department of Molecular Biology, Building 6L, Umeå University, Umeå 901 87, Sweden
| | - B Witek
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden Department of Molecular Biology, Building 6L, Umeå University, Umeå 901 87, Sweden
| | - Y Jamin
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London and Royal Marsden NHS Foundation Trust, Sutton SM2 5NG, UK
| | - G Umapathy
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - S P Robinson
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London and Royal Marsden NHS Foundation Trust, Sutton SM2 5NG, UK
| | - T W Johnson
- La Jolla Laboratories, Pfizer Worldwide Research and Development, San Diego, CA 92121, USA
| | - T Smeal
- La Jolla Laboratories, Pfizer Worldwide Research and Development, San Diego, CA 92121, USA
| | - T Martinsson
- Department of Clinical Genetics, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - L Chesler
- Division of Clinical Studies Cancer Therapeutics, The Institute of Cancer Research, London and Royal Marsden NHS Foundation Trust, Sutton SM2 5NG, UK
| | - R H Palmer
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | - B Hallberg
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-405 30, Sweden
| |
Collapse
|